diff options
171 files changed, 2412 insertions, 1735 deletions
diff --git a/block-migration.c b/block-migration.c index 3ad31a2c70..08db01a364 100644 --- a/block-migration.c +++ b/block-migration.c @@ -14,7 +14,9 @@ */ #include "qemu-common.h" -#include "block/block_int.h" +#include "block/block.h" +#include "qemu/error-report.h" +#include "qemu/main-loop.h" #include "hw/hw.h" #include "qemu/queue.h" #include "qemu/timer.h" @@ -70,7 +72,7 @@ typedef struct BlkMigBlock { int nr_sectors; struct iovec iov; QEMUIOVector qiov; - BlockDriverAIOCB *aiocb; + BlockAIOCB *aiocb; /* Protected by block migration lock. */ int ret; @@ -130,9 +132,9 @@ static void blk_send(QEMUFile *f, BlkMigBlock * blk) | flags); /* device name */ - len = strlen(blk->bmds->bs->device_name); + len = strlen(bdrv_get_device_name(blk->bmds->bs)); qemu_put_byte(f, len); - qemu_put_buffer(f, (uint8_t *)blk->bmds->bs->device_name, len); + qemu_put_buffer(f, (uint8_t *)bdrv_get_device_name(blk->bmds->bs), len); /* if a block is zero we need to flush here since the network * bandwidth is now a lot higher than the storage device bandwidth. @@ -343,12 +345,25 @@ static void unset_dirty_tracking(void) } } -static void init_blk_migration_it(void *opaque, BlockDriverState *bs) +static void init_blk_migration(QEMUFile *f) { + BlockDriverState *bs; BlkMigDevState *bmds; int64_t sectors; - if (!bdrv_is_read_only(bs)) { + block_mig_state.submitted = 0; + block_mig_state.read_done = 0; + block_mig_state.transferred = 0; + block_mig_state.total_sector_sum = 0; + block_mig_state.prev_progress = -1; + block_mig_state.bulk_completed = 0; + block_mig_state.zero_blocks = migrate_zero_blocks(); + + for (bs = bdrv_next(NULL); bs; bs = bdrv_next(bs)) { + if (bdrv_is_read_only(bs)) { + continue; + } + sectors = bdrv_nb_sectors(bs); if (sectors <= 0) { return; @@ -369,28 +384,15 @@ static void init_blk_migration_it(void *opaque, BlockDriverState *bs) if (bmds->shared_base) { DPRINTF("Start migration for %s with shared base image\n", - bs->device_name); + bdrv_get_device_name(bs)); } else { - DPRINTF("Start full migration for %s\n", bs->device_name); + DPRINTF("Start full migration for %s\n", bdrv_get_device_name(bs)); } QSIMPLEQ_INSERT_TAIL(&block_mig_state.bmds_list, bmds, entry); } } -static void init_blk_migration(QEMUFile *f) -{ - block_mig_state.submitted = 0; - block_mig_state.read_done = 0; - block_mig_state.transferred = 0; - block_mig_state.total_sector_sum = 0; - block_mig_state.prev_progress = -1; - block_mig_state.bulk_completed = 0; - block_mig_state.zero_blocks = migrate_zero_blocks(); - - bdrv_iterate(init_blk_migration_it, NULL); -} - /* Called with no lock taken. */ static int blk_mig_save_bulked_block(QEMUFile *f) @@ -28,8 +28,8 @@ #include "block/blockjob.h" #include "qemu/module.h" #include "qapi/qmp/qjson.h" +#include "sysemu/block-backend.h" #include "sysemu/sysemu.h" -#include "sysemu/blockdev.h" /* FIXME layering violation */ #include "qemu/notify.h" #include "block/coroutine.h" #include "block/qapi.h" @@ -58,15 +58,12 @@ struct BdrvDirtyBitmap { #define NOT_DONE 0x7fffffff /* used while emulated sync operation in progress */ -#define COROUTINE_POOL_RESERVATION 64 /* number of coroutines to reserve */ - -static void bdrv_dev_change_media_cb(BlockDriverState *bs, bool load); -static BlockDriverAIOCB *bdrv_aio_readv_em(BlockDriverState *bs, +static BlockAIOCB *bdrv_aio_readv_em(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque); -static BlockDriverAIOCB *bdrv_aio_writev_em(BlockDriverState *bs, + BlockCompletionFunc *cb, void *opaque); +static BlockAIOCB *bdrv_aio_writev_em(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque); + BlockCompletionFunc *cb, void *opaque); static int coroutine_fn bdrv_co_readv_em(BlockDriverState *bs, int64_t sector_num, int nb_sectors, QEMUIOVector *iov); @@ -79,14 +76,14 @@ static int coroutine_fn bdrv_co_do_preadv(BlockDriverState *bs, static int coroutine_fn bdrv_co_do_pwritev(BlockDriverState *bs, int64_t offset, unsigned int bytes, QEMUIOVector *qiov, BdrvRequestFlags flags); -static BlockDriverAIOCB *bdrv_co_aio_rw_vector(BlockDriverState *bs, - int64_t sector_num, - QEMUIOVector *qiov, - int nb_sectors, - BdrvRequestFlags flags, - BlockDriverCompletionFunc *cb, - void *opaque, - bool is_write); +static BlockAIOCB *bdrv_co_aio_rw_vector(BlockDriverState *bs, + int64_t sector_num, + QEMUIOVector *qiov, + int nb_sectors, + BdrvRequestFlags flags, + BlockCompletionFunc *cb, + void *opaque, + bool is_write); static void coroutine_fn bdrv_co_do_rw(void *opaque); static int coroutine_fn bdrv_co_do_write_zeroes(BlockDriverState *bs, int64_t sector_num, int nb_sectors, BdrvRequestFlags flags); @@ -335,35 +332,21 @@ void bdrv_register(BlockDriver *bdrv) QLIST_INSERT_HEAD(&bdrv_drivers, bdrv, list); } -/* create a new block device (by default it is empty) */ -BlockDriverState *bdrv_new(const char *device_name, Error **errp) +BlockDriverState *bdrv_new_root(void) { - BlockDriverState *bs; - int i; + BlockDriverState *bs = bdrv_new(); - if (*device_name && !id_wellformed(device_name)) { - error_setg(errp, "Invalid device name"); - return NULL; - } + QTAILQ_INSERT_TAIL(&bdrv_states, bs, device_list); + return bs; +} - if (bdrv_find(device_name)) { - error_setg(errp, "Device with id '%s' already exists", - device_name); - return NULL; - } - if (bdrv_find_node(device_name)) { - error_setg(errp, - "Device name '%s' conflicts with an existing node name", - device_name); - return NULL; - } +BlockDriverState *bdrv_new(void) +{ + BlockDriverState *bs; + int i; bs = g_new0(BlockDriverState, 1); QLIST_INIT(&bs->dirty_bitmaps); - pstrcpy(bs->device_name, sizeof(bs->device_name), device_name); - if (device_name[0] != '\0') { - QTAILQ_INSERT_TAIL(&bdrv_states, bs, device_list); - } for (i = 0; i < BLOCK_OP_TYPE_MAX; i++) { QLIST_INIT(&bs->op_blockers[i]); } @@ -875,7 +858,7 @@ static void bdrv_assign_node_name(BlockDriverState *bs, } /* takes care of avoiding namespaces collisions */ - if (bdrv_find(node_name)) { + if (blk_by_name(node_name)) { error_setg(errp, "node-name=%s is conflicting with a device id", node_name); return; @@ -1159,7 +1142,7 @@ void bdrv_set_backing_hd(BlockDriverState *bs, BlockDriverState *backing_hd) } else if (backing_hd) { error_setg(&bs->backing_blocker, "device is used as backing hd of '%s'", - bs->device_name); + bdrv_get_device_name(bs)); } bs->backing_hd = backing_hd; @@ -1224,7 +1207,7 @@ int bdrv_open_backing_file(BlockDriverState *bs, QDict *options, Error **errp) goto free_exit; } - backing_hd = bdrv_new("", errp); + backing_hd = bdrv_new(); if (bs->backing_format[0] != '\0') { back_drv = bdrv_find_format(bs->backing_format); @@ -1353,7 +1336,7 @@ int bdrv_append_temp_snapshot(BlockDriverState *bs, int flags, Error **errp) qdict_put(snapshot_options, "file.filename", qstring_from_str(tmp_filename)); - bs_snapshot = bdrv_new("", &error_abort); + bs_snapshot = bdrv_new(); ret = bdrv_open(&bs_snapshot, NULL, NULL, snapshot_options, flags, bdrv_qcow2, &local_err); @@ -1424,7 +1407,7 @@ int bdrv_open(BlockDriverState **pbs, const char *filename, if (*pbs) { bs = *pbs; } else { - bs = bdrv_new("", &error_abort); + bs = bdrv_new(); } /* NULL means an empty set of options */ @@ -1533,7 +1516,7 @@ int bdrv_open(BlockDriverState **pbs, const char *filename, } else { error_setg(errp, "Block format '%s' used by device '%s' doesn't " "support the option '%s'", drv->format_name, - bs->device_name, entry->key); + bdrv_get_device_name(bs), entry->key); } ret = -EINVAL; @@ -1541,7 +1524,9 @@ int bdrv_open(BlockDriverState **pbs, const char *filename, } if (!bdrv_key_required(bs)) { - bdrv_dev_change_media_cb(bs, true); + if (bs->blk) { + blk_dev_change_media_cb(bs->blk, true); + } } else if (!runstate_check(RUN_STATE_PRELAUNCH) && !runstate_check(RUN_STATE_INMIGRATE) && !runstate_check(RUN_STATE_PAUSED)) { /* HACK */ @@ -1740,7 +1725,7 @@ int bdrv_reopen_prepare(BDRVReopenState *reopen_state, BlockReopenQueue *queue, if (!(reopen_state->bs->open_flags & BDRV_O_ALLOW_RDWR) && reopen_state->flags & BDRV_O_RDWR) { error_set(errp, QERR_DEVICE_IS_READ_ONLY, - reopen_state->bs->device_name); + bdrv_get_device_name(reopen_state->bs)); goto error; } @@ -1767,7 +1752,7 @@ int bdrv_reopen_prepare(BDRVReopenState *reopen_state, BlockReopenQueue *queue, /* It is currently mandatory to have a bdrv_reopen_prepare() * handler for each supported drv. */ error_set(errp, QERR_BLOCK_FORMAT_FEATURE_NOT_SUPPORTED, - drv->format_name, reopen_state->bs->device_name, + drv->format_name, bdrv_get_device_name(reopen_state->bs), "reopening of file"); ret = -1; goto error; @@ -1866,7 +1851,9 @@ void bdrv_close(BlockDriverState *bs) } } - bdrv_dev_change_media_cb(bs, false); + if (bs->blk) { + blk_dev_change_media_cb(bs->blk, false); + } /*throttling disk I/O limits*/ if (bs->io_limits_enabled) { @@ -1955,10 +1942,17 @@ void bdrv_drain_all(void) Also, NULL terminate the device_name to prevent double remove */ void bdrv_make_anon(BlockDriverState *bs) { - if (bs->device_name[0] != '\0') { + /* + * Take care to remove bs from bdrv_states only when it's actually + * in it. Note that bs->device_list.tqe_prev is initially null, + * and gets set to non-null by QTAILQ_INSERT_TAIL(). Establish + * the useful invariant "bs in bdrv_states iff bs->tqe_prev" by + * resetting it to null on remove. + */ + if (bs->device_list.tqe_prev) { QTAILQ_REMOVE(&bdrv_states, bs, device_list); + bs->device_list.tqe_prev = NULL; } - bs->device_name[0] = '\0'; if (bs->node_name[0] != '\0') { QTAILQ_REMOVE(&graph_bdrv_states, bs, node_list); } @@ -1978,9 +1972,6 @@ static void bdrv_move_feature_fields(BlockDriverState *bs_dest, /* move some fields that need to stay attached to the device */ /* dev info */ - bs_dest->dev_ops = bs_src->dev_ops; - bs_dest->dev_opaque = bs_src->dev_opaque; - bs_dest->dev = bs_src->dev; bs_dest->guest_block_size = bs_src->guest_block_size; bs_dest->copy_on_read = bs_src->copy_on_read; @@ -2012,9 +2003,9 @@ static void bdrv_move_feature_fields(BlockDriverState *bs_dest, bs_dest->job = bs_src->job; /* keep the same entry in bdrv_states */ - pstrcpy(bs_dest->device_name, sizeof(bs_dest->device_name), - bs_src->device_name); bs_dest->device_list = bs_src->device_list; + bs_dest->blk = bs_src->blk; + memcpy(bs_dest->op_blockers, bs_src->op_blockers, sizeof(bs_dest->op_blockers)); } @@ -2027,7 +2018,7 @@ static void bdrv_move_feature_fields(BlockDriverState *bs_dest, * This will modify the BlockDriverState fields, and swap contents * between bs_new and bs_old. Both bs_new and bs_old are modified. * - * bs_new is required to be anonymous. + * bs_new must not be attached to a BlockBackend. * * This function does not create any image files. */ @@ -2046,11 +2037,10 @@ void bdrv_swap(BlockDriverState *bs_new, BlockDriverState *bs_old) QTAILQ_REMOVE(&graph_bdrv_states, bs_old, node_list); } - /* bs_new must be anonymous and shouldn't have anything fancy enabled */ - assert(bs_new->device_name[0] == '\0'); + /* bs_new must be unattached and shouldn't have anything fancy enabled */ + assert(!bs_new->blk); assert(QLIST_EMPTY(&bs_new->dirty_bitmaps)); assert(bs_new->job == NULL); - assert(bs_new->dev == NULL); assert(bs_new->io_limits_enabled == false); assert(!throttle_have_timer(&bs_new->throttle_state)); @@ -2063,11 +2053,10 @@ void bdrv_swap(BlockDriverState *bs_new, BlockDriverState *bs_old) bdrv_move_feature_fields(bs_old, bs_new); bdrv_move_feature_fields(bs_new, &tmp); - /* bs_new shouldn't be in bdrv_states even after the swap! */ - assert(bs_new->device_name[0] == '\0'); + /* bs_new must remain unattached */ + assert(!bs_new->blk); /* Check a few fields that should remain attached to the device */ - assert(bs_new->dev == NULL); assert(bs_new->job == NULL); assert(bs_new->io_limits_enabled == false); assert(!throttle_have_timer(&bs_new->throttle_state)); @@ -2091,7 +2080,7 @@ void bdrv_swap(BlockDriverState *bs_new, BlockDriverState *bs_old) * This will modify the BlockDriverState fields, and swap contents * between bs_new and bs_top. Both bs_new and bs_top are modified. * - * bs_new is required to be anonymous. + * bs_new must not be attached to a BlockBackend. * * This function does not create any image files. */ @@ -2106,7 +2095,6 @@ void bdrv_append(BlockDriverState *bs_new, BlockDriverState *bs_top) static void bdrv_delete(BlockDriverState *bs) { - assert(!bs->dev); assert(!bs->job); assert(bdrv_op_blocker_is_empty(bs)); assert(!bs->refcnt); @@ -2117,109 +2105,9 @@ static void bdrv_delete(BlockDriverState *bs) /* remove from list, if necessary */ bdrv_make_anon(bs); - drive_info_del(drive_get_by_blockdev(bs)); g_free(bs); } -int bdrv_attach_dev(BlockDriverState *bs, void *dev) -/* TODO change to DeviceState *dev when all users are qdevified */ -{ - if (bs->dev) { - return -EBUSY; - } - bs->dev = dev; - bdrv_iostatus_reset(bs); - - /* We're expecting I/O from the device so bump up coroutine pool size */ - qemu_coroutine_adjust_pool_size(COROUTINE_POOL_RESERVATION); - return 0; -} - -/* TODO qdevified devices don't use this, remove when devices are qdevified */ -void bdrv_attach_dev_nofail(BlockDriverState *bs, void *dev) -{ - if (bdrv_attach_dev(bs, dev) < 0) { - abort(); - } -} - -void bdrv_detach_dev(BlockDriverState *bs, void *dev) -/* TODO change to DeviceState *dev when all users are qdevified */ -{ - assert(bs->dev == dev); - bs->dev = NULL; - bs->dev_ops = NULL; - bs->dev_opaque = NULL; - bs->guest_block_size = 512; - qemu_coroutine_adjust_pool_size(-COROUTINE_POOL_RESERVATION); -} - -/* TODO change to return DeviceState * when all users are qdevified */ -void *bdrv_get_attached_dev(BlockDriverState *bs) -{ - return bs->dev; -} - -void bdrv_set_dev_ops(BlockDriverState *bs, const BlockDevOps *ops, - void *opaque) -{ - bs->dev_ops = ops; - bs->dev_opaque = opaque; -} - -static void bdrv_dev_change_media_cb(BlockDriverState *bs, bool load) -{ - if (bs->dev_ops && bs->dev_ops->change_media_cb) { - bool tray_was_closed = !bdrv_dev_is_tray_open(bs); - bs->dev_ops->change_media_cb(bs->dev_opaque, load); - if (tray_was_closed) { - /* tray open */ - qapi_event_send_device_tray_moved(bdrv_get_device_name(bs), - true, &error_abort); - } - if (load) { - /* tray close */ - qapi_event_send_device_tray_moved(bdrv_get_device_name(bs), - false, &error_abort); - } - } -} - -bool bdrv_dev_has_removable_media(BlockDriverState *bs) -{ - return !bs->dev || (bs->dev_ops && bs->dev_ops->change_media_cb); -} - -void bdrv_dev_eject_request(BlockDriverState *bs, bool force) -{ - if (bs->dev_ops && bs->dev_ops->eject_request_cb) { - bs->dev_ops->eject_request_cb(bs->dev_opaque, force); - } -} - -bool bdrv_dev_is_tray_open(BlockDriverState *bs) -{ - if (bs->dev_ops && bs->dev_ops->is_tray_open) { - return bs->dev_ops->is_tray_open(bs->dev_opaque); - } - return false; -} - -static void bdrv_dev_resize_cb(BlockDriverState *bs) -{ - if (bs->dev_ops && bs->dev_ops->resize_cb) { - bs->dev_ops->resize_cb(bs->dev_opaque); - } -} - -bool bdrv_dev_is_medium_locked(BlockDriverState *bs) -{ - if (bs->dev_ops && bs->dev_ops->is_medium_locked) { - return bs->dev_ops->is_medium_locked(bs->dev_opaque); - } - return false; -} - /* * Run consistency checks on an image * @@ -3553,7 +3441,9 @@ int bdrv_truncate(BlockDriverState *bs, int64_t offset) ret = drv->bdrv_truncate(bs, offset); if (ret == 0) { ret = refresh_total_sectors(bs, offset >> BDRV_SECTOR_BITS); - bdrv_dev_resize_cb(bs); + if (bs->blk) { + blk_dev_resize_cb(bs->blk); + } } return ret; } @@ -3754,8 +3644,10 @@ int bdrv_set_key(BlockDriverState *bs, const char *key) bs->valid_key = 0; } else if (!bs->valid_key) { bs->valid_key = 1; - /* call the change callback now, we skipped it on open */ - bdrv_dev_change_media_cb(bs, true); + if (bs->blk) { + /* call the change callback now, we skipped it on open */ + blk_dev_change_media_cb(bs->blk, true); + } } return ret; } @@ -3803,16 +3695,12 @@ void bdrv_iterate_format(void (*it)(void *opaque, const char *name), } /* This function is to find block backend bs */ +/* TODO convert callers to blk_by_name(), then remove */ BlockDriverState *bdrv_find(const char *name) { - BlockDriverState *bs; + BlockBackend *blk = blk_by_name(name); - QTAILQ_FOREACH(bs, &bdrv_states, device_list) { - if (!strcmp(name, bs->device_name)) { - return bs; - } - } - return NULL; + return blk ? blk_bs(blk) : NULL; } /* This function is to find a node in the bs graph */ @@ -3851,13 +3739,14 @@ BlockDriverState *bdrv_lookup_bs(const char *device, const char *node_name, Error **errp) { - BlockDriverState *bs = NULL; + BlockBackend *blk; + BlockDriverState *bs; if (device) { - bs = bdrv_find(device); + blk = blk_by_name(device); - if (bs) { - return bs; + if (blk) { + return blk_bs(blk); } } @@ -3894,18 +3783,10 @@ BlockDriverState *bdrv_next(BlockDriverState *bs) return QTAILQ_NEXT(bs, device_list); } -void bdrv_iterate(void (*it)(void *opaque, BlockDriverState *bs), void *opaque) +/* TODO check what callers really want: bs->node_name or blk_name() */ +const char *bdrv_get_device_name(const BlockDriverState *bs) { - BlockDriverState *bs; - - QTAILQ_FOREACH(bs, &bdrv_states, device_list) { - it(opaque, bs); - } -} - -const char *bdrv_get_device_name(BlockDriverState *bs) -{ - return bs->device_name; + return bs->blk ? blk_name(bs->blk) : ""; } int bdrv_get_flags(BlockDriverState *bs) @@ -4432,9 +4313,9 @@ int bdrv_get_backing_file_depth(BlockDriverState *bs) /**************************************************************/ /* async I/Os */ -BlockDriverAIOCB *bdrv_aio_readv(BlockDriverState *bs, int64_t sector_num, - QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) +BlockAIOCB *bdrv_aio_readv(BlockDriverState *bs, int64_t sector_num, + QEMUIOVector *qiov, int nb_sectors, + BlockCompletionFunc *cb, void *opaque) { trace_bdrv_aio_readv(bs, sector_num, nb_sectors, opaque); @@ -4442,9 +4323,9 @@ BlockDriverAIOCB *bdrv_aio_readv(BlockDriverState *bs, int64_t sector_num, cb, opaque, false); } -BlockDriverAIOCB *bdrv_aio_writev(BlockDriverState *bs, int64_t sector_num, - QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) +BlockAIOCB *bdrv_aio_writev(BlockDriverState *bs, int64_t sector_num, + QEMUIOVector *qiov, int nb_sectors, + BlockCompletionFunc *cb, void *opaque) { trace_bdrv_aio_writev(bs, sector_num, nb_sectors, opaque); @@ -4452,9 +4333,9 @@ BlockDriverAIOCB *bdrv_aio_writev(BlockDriverState *bs, int64_t sector_num, cb, opaque, true); } -BlockDriverAIOCB *bdrv_aio_write_zeroes(BlockDriverState *bs, +BlockAIOCB *bdrv_aio_write_zeroes(BlockDriverState *bs, int64_t sector_num, int nb_sectors, BdrvRequestFlags flags, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { trace_bdrv_aio_write_zeroes(bs, sector_num, nb_sectors, flags, opaque); @@ -4469,7 +4350,7 @@ typedef struct MultiwriteCB { int num_requests; int num_callbacks; struct { - BlockDriverCompletionFunc *cb; + BlockCompletionFunc *cb; void *opaque; QEMUIOVector *free_qiov; } callbacks[]; @@ -4646,7 +4527,7 @@ int bdrv_aio_multiwrite(BlockDriverState *bs, BlockRequest *reqs, int num_reqs) return 0; } -void bdrv_aio_cancel(BlockDriverAIOCB *acb) +void bdrv_aio_cancel(BlockAIOCB *acb) { qemu_aio_ref(acb); bdrv_aio_cancel_async(acb); @@ -4665,7 +4546,7 @@ void bdrv_aio_cancel(BlockDriverAIOCB *acb) /* Async version of aio cancel. The caller is not blocked if the acb implements * cancel_async, otherwise we do nothing and let the request normally complete. * In either case the completion callback must be called. */ -void bdrv_aio_cancel_async(BlockDriverAIOCB *acb) +void bdrv_aio_cancel_async(BlockAIOCB *acb) { if (acb->aiocb_info->cancel_async) { acb->aiocb_info->cancel_async(acb); @@ -4675,23 +4556,23 @@ void bdrv_aio_cancel_async(BlockDriverAIOCB *acb) /**************************************************************/ /* async block device emulation */ -typedef struct BlockDriverAIOCBSync { - BlockDriverAIOCB common; +typedef struct BlockAIOCBSync { + BlockAIOCB common; QEMUBH *bh; int ret; /* vector translation state */ QEMUIOVector *qiov; uint8_t *bounce; int is_write; -} BlockDriverAIOCBSync; +} BlockAIOCBSync; static const AIOCBInfo bdrv_em_aiocb_info = { - .aiocb_size = sizeof(BlockDriverAIOCBSync), + .aiocb_size = sizeof(BlockAIOCBSync), }; static void bdrv_aio_bh_cb(void *opaque) { - BlockDriverAIOCBSync *acb = opaque; + BlockAIOCBSync *acb = opaque; if (!acb->is_write && acb->ret >= 0) { qemu_iovec_from_buf(acb->qiov, 0, acb->bounce, acb->qiov->size); @@ -4703,16 +4584,16 @@ static void bdrv_aio_bh_cb(void *opaque) qemu_aio_unref(acb); } -static BlockDriverAIOCB *bdrv_aio_rw_vector(BlockDriverState *bs, - int64_t sector_num, - QEMUIOVector *qiov, - int nb_sectors, - BlockDriverCompletionFunc *cb, - void *opaque, - int is_write) +static BlockAIOCB *bdrv_aio_rw_vector(BlockDriverState *bs, + int64_t sector_num, + QEMUIOVector *qiov, + int nb_sectors, + BlockCompletionFunc *cb, + void *opaque, + int is_write) { - BlockDriverAIOCBSync *acb; + BlockAIOCBSync *acb; acb = qemu_aio_get(&bdrv_em_aiocb_info, bs, cb, opaque); acb->is_write = is_write; @@ -4734,36 +4615,36 @@ static BlockDriverAIOCB *bdrv_aio_rw_vector(BlockDriverState *bs, return &acb->common; } -static BlockDriverAIOCB *bdrv_aio_readv_em(BlockDriverState *bs, +static BlockAIOCB *bdrv_aio_readv_em(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { return bdrv_aio_rw_vector(bs, sector_num, qiov, nb_sectors, cb, opaque, 0); } -static BlockDriverAIOCB *bdrv_aio_writev_em(BlockDriverState *bs, +static BlockAIOCB *bdrv_aio_writev_em(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { return bdrv_aio_rw_vector(bs, sector_num, qiov, nb_sectors, cb, opaque, 1); } -typedef struct BlockDriverAIOCBCoroutine { - BlockDriverAIOCB common; +typedef struct BlockAIOCBCoroutine { + BlockAIOCB common; BlockRequest req; bool is_write; bool *done; QEMUBH* bh; -} BlockDriverAIOCBCoroutine; +} BlockAIOCBCoroutine; static const AIOCBInfo bdrv_em_co_aiocb_info = { - .aiocb_size = sizeof(BlockDriverAIOCBCoroutine), + .aiocb_size = sizeof(BlockAIOCBCoroutine), }; static void bdrv_co_em_bh(void *opaque) { - BlockDriverAIOCBCoroutine *acb = opaque; + BlockAIOCBCoroutine *acb = opaque; acb->common.cb(acb->common.opaque, acb->req.error); @@ -4774,7 +4655,7 @@ static void bdrv_co_em_bh(void *opaque) /* Invoke bdrv_co_do_readv/bdrv_co_do_writev */ static void coroutine_fn bdrv_co_do_rw(void *opaque) { - BlockDriverAIOCBCoroutine *acb = opaque; + BlockAIOCBCoroutine *acb = opaque; BlockDriverState *bs = acb->common.bs; if (!acb->is_write) { @@ -4789,17 +4670,17 @@ static void coroutine_fn bdrv_co_do_rw(void *opaque) qemu_bh_schedule(acb->bh); } -static BlockDriverAIOCB *bdrv_co_aio_rw_vector(BlockDriverState *bs, - int64_t sector_num, - QEMUIOVector *qiov, - int nb_sectors, - BdrvRequestFlags flags, - BlockDriverCompletionFunc *cb, - void *opaque, - bool is_write) +static BlockAIOCB *bdrv_co_aio_rw_vector(BlockDriverState *bs, + int64_t sector_num, + QEMUIOVector *qiov, + int nb_sectors, + BdrvRequestFlags flags, + BlockCompletionFunc *cb, + void *opaque, + bool is_write) { Coroutine *co; - BlockDriverAIOCBCoroutine *acb; + BlockAIOCBCoroutine *acb; acb = qemu_aio_get(&bdrv_em_co_aiocb_info, bs, cb, opaque); acb->req.sector = sector_num; @@ -4816,7 +4697,7 @@ static BlockDriverAIOCB *bdrv_co_aio_rw_vector(BlockDriverState *bs, static void coroutine_fn bdrv_aio_flush_co_entry(void *opaque) { - BlockDriverAIOCBCoroutine *acb = opaque; + BlockAIOCBCoroutine *acb = opaque; BlockDriverState *bs = acb->common.bs; acb->req.error = bdrv_co_flush(bs); @@ -4824,13 +4705,13 @@ static void coroutine_fn bdrv_aio_flush_co_entry(void *opaque) qemu_bh_schedule(acb->bh); } -BlockDriverAIOCB *bdrv_aio_flush(BlockDriverState *bs, - BlockDriverCompletionFunc *cb, void *opaque) +BlockAIOCB *bdrv_aio_flush(BlockDriverState *bs, + BlockCompletionFunc *cb, void *opaque) { trace_bdrv_aio_flush(bs, opaque); Coroutine *co; - BlockDriverAIOCBCoroutine *acb; + BlockAIOCBCoroutine *acb; acb = qemu_aio_get(&bdrv_em_co_aiocb_info, bs, cb, opaque); @@ -4842,7 +4723,7 @@ BlockDriverAIOCB *bdrv_aio_flush(BlockDriverState *bs, static void coroutine_fn bdrv_aio_discard_co_entry(void *opaque) { - BlockDriverAIOCBCoroutine *acb = opaque; + BlockAIOCBCoroutine *acb = opaque; BlockDriverState *bs = acb->common.bs; acb->req.error = bdrv_co_discard(bs, acb->req.sector, acb->req.nb_sectors); @@ -4850,12 +4731,12 @@ static void coroutine_fn bdrv_aio_discard_co_entry(void *opaque) qemu_bh_schedule(acb->bh); } -BlockDriverAIOCB *bdrv_aio_discard(BlockDriverState *bs, +BlockAIOCB *bdrv_aio_discard(BlockDriverState *bs, int64_t sector_num, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { Coroutine *co; - BlockDriverAIOCBCoroutine *acb; + BlockAIOCBCoroutine *acb; trace_bdrv_aio_discard(bs, sector_num, nb_sectors, opaque); @@ -4880,9 +4761,9 @@ void bdrv_init_with_whitelist(void) } void *qemu_aio_get(const AIOCBInfo *aiocb_info, BlockDriverState *bs, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { - BlockDriverAIOCB *acb; + BlockAIOCB *acb; acb = g_slice_alloc(aiocb_info->aiocb_size); acb->aiocb_info = aiocb_info; @@ -4895,13 +4776,13 @@ void *qemu_aio_get(const AIOCBInfo *aiocb_info, BlockDriverState *bs, void qemu_aio_ref(void *p) { - BlockDriverAIOCB *acb = p; + BlockAIOCB *acb = p; acb->refcnt++; } void qemu_aio_unref(void *p) { - BlockDriverAIOCB *acb = p; + BlockAIOCB *acb = p; assert(acb->refcnt > 0); if (--acb->refcnt == 0) { g_slice_free1(acb->aiocb_info->aiocb_size, acb); @@ -4931,7 +4812,7 @@ static int coroutine_fn bdrv_co_io_em(BlockDriverState *bs, int64_t sector_num, CoroutineIOCompletion co = { .coroutine = qemu_coroutine_self(), }; - BlockDriverAIOCB *acb; + BlockAIOCB *acb; if (is_write) { acb = bs->drv->bdrv_aio_writev(bs, sector_num, iov, nb_sectors, @@ -4997,7 +4878,7 @@ int coroutine_fn bdrv_co_flush(BlockDriverState *bs) if (bs->drv->bdrv_co_flush_to_disk) { ret = bs->drv->bdrv_co_flush_to_disk(bs); } else if (bs->drv->bdrv_aio_flush) { - BlockDriverAIOCB *acb; + BlockAIOCB *acb; CoroutineIOCompletion co = { .coroutine = qemu_coroutine_self(), }; @@ -5172,7 +5053,7 @@ int coroutine_fn bdrv_co_discard(BlockDriverState *bs, int64_t sector_num, if (bs->drv->bdrv_co_discard) { ret = bs->drv->bdrv_co_discard(bs, sector_num, num); } else { - BlockDriverAIOCB *acb; + BlockAIOCB *acb; CoroutineIOCompletion co = { .coroutine = qemu_coroutine_self(), }; @@ -5259,13 +5140,15 @@ int bdrv_media_changed(BlockDriverState *bs) void bdrv_eject(BlockDriverState *bs, bool eject_flag) { BlockDriver *drv = bs->drv; + const char *device_name; if (drv && drv->bdrv_eject) { drv->bdrv_eject(bs, eject_flag); } - if (bs->device_name[0] != '\0') { - qapi_event_send_device_tray_moved(bdrv_get_device_name(bs), + device_name = bdrv_get_device_name(bs); + if (device_name[0] != '\0') { + qapi_event_send_device_tray_moved(device_name, eject_flag, &error_abort); } } @@ -5296,9 +5179,9 @@ int bdrv_ioctl(BlockDriverState *bs, unsigned long int req, void *buf) return -ENOTSUP; } -BlockDriverAIOCB *bdrv_aio_ioctl(BlockDriverState *bs, +BlockAIOCB *bdrv_aio_ioctl(BlockDriverState *bs, unsigned long int req, void *buf, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { BlockDriver *drv = bs->drv; @@ -5475,7 +5358,8 @@ bool bdrv_op_is_blocked(BlockDriverState *bs, BlockOpType op, Error **errp) blocker = QLIST_FIRST(&bs->op_blockers[op]); if (errp) { error_setg(errp, "Device '%s' is busy: %s", - bs->device_name, error_get_pretty(blocker->reason)); + bdrv_get_device_name(bs), + error_get_pretty(blocker->reason)); } return true; } diff --git a/block/Makefile.objs b/block/Makefile.objs index a833ed5745..27911b6b88 100644 --- a/block/Makefile.objs +++ b/block/Makefile.objs @@ -5,7 +5,7 @@ block-obj-y += qed-check.o block-obj-$(CONFIG_VHDX) += vhdx.o vhdx-endian.o vhdx-log.o block-obj-$(CONFIG_QUORUM) += quorum.o block-obj-y += parallels.o blkdebug.o blkverify.o -block-obj-y += snapshot.o qapi.o +block-obj-y += block-backend.o snapshot.o qapi.o block-obj-$(CONFIG_WIN32) += raw-win32.o win32-aio.o block-obj-$(CONFIG_POSIX) += raw-posix.o block-obj-$(CONFIG_LINUX_AIO) += linux-aio.o diff --git a/block/archipelago.c b/block/archipelago.c index 73d91a422f..a8114b528b 100644 --- a/block/archipelago.c +++ b/block/archipelago.c @@ -86,7 +86,7 @@ typedef enum { } ARCHIPCmd; typedef struct ArchipelagoAIOCB { - BlockDriverAIOCB common; + BlockAIOCB common; QEMUBH *bh; struct BDRVArchipelagoState *s; QEMUIOVector *qiov; @@ -856,13 +856,13 @@ err_exit: return ret; } -static BlockDriverAIOCB *qemu_archipelago_aio_rw(BlockDriverState *bs, - int64_t sector_num, - QEMUIOVector *qiov, - int nb_sectors, - BlockDriverCompletionFunc *cb, - void *opaque, - int op) +static BlockAIOCB *qemu_archipelago_aio_rw(BlockDriverState *bs, + int64_t sector_num, + QEMUIOVector *qiov, + int nb_sectors, + BlockCompletionFunc *cb, + void *opaque, + int op) { ArchipelagoAIOCB *aio_cb; BDRVArchipelagoState *s = bs->opaque; @@ -894,17 +894,17 @@ err_exit: return NULL; } -static BlockDriverAIOCB *qemu_archipelago_aio_readv(BlockDriverState *bs, +static BlockAIOCB *qemu_archipelago_aio_readv(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { return qemu_archipelago_aio_rw(bs, sector_num, qiov, nb_sectors, cb, opaque, ARCHIP_OP_READ); } -static BlockDriverAIOCB *qemu_archipelago_aio_writev(BlockDriverState *bs, +static BlockAIOCB *qemu_archipelago_aio_writev(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { return qemu_archipelago_aio_rw(bs, sector_num, qiov, nb_sectors, cb, opaque, ARCHIP_OP_WRITE); @@ -1052,8 +1052,8 @@ static QemuOptsList qemu_archipelago_create_opts = { } }; -static BlockDriverAIOCB *qemu_archipelago_aio_flush(BlockDriverState *bs, - BlockDriverCompletionFunc *cb, void *opaque) +static BlockAIOCB *qemu_archipelago_aio_flush(BlockDriverState *bs, + BlockCompletionFunc *cb, void *opaque) { return qemu_archipelago_aio_rw(bs, 0, NULL, 0, cb, opaque, ARCHIP_OP_FLUSH); diff --git a/block/backup.c b/block/backup.c index d0b02255ce..e334740161 100644 --- a/block/backup.c +++ b/block/backup.c @@ -353,7 +353,7 @@ void backup_start(BlockDriverState *bs, BlockDriverState *target, int64_t speed, MirrorSyncMode sync_mode, BlockdevOnError on_source_error, BlockdevOnError on_target_error, - BlockDriverCompletionFunc *cb, void *opaque, + BlockCompletionFunc *cb, void *opaque, Error **errp) { int64_t len; diff --git a/block/blkdebug.c b/block/blkdebug.c index f8fbb0f3d4..e046b920fb 100644 --- a/block/blkdebug.c +++ b/block/blkdebug.c @@ -41,7 +41,7 @@ typedef struct BDRVBlkdebugState { } BDRVBlkdebugState; typedef struct BlkdebugAIOCB { - BlockDriverAIOCB common; + BlockAIOCB common; QEMUBH *bh; int ret; } BlkdebugAIOCB; @@ -463,8 +463,8 @@ static void error_callback_bh(void *opaque) qemu_aio_unref(acb); } -static BlockDriverAIOCB *inject_error(BlockDriverState *bs, - BlockDriverCompletionFunc *cb, void *opaque, BlkdebugRule *rule) +static BlockAIOCB *inject_error(BlockDriverState *bs, + BlockCompletionFunc *cb, void *opaque, BlkdebugRule *rule) { BDRVBlkdebugState *s = bs->opaque; int error = rule->options.inject.error; @@ -489,9 +489,9 @@ static BlockDriverAIOCB *inject_error(BlockDriverState *bs, return &acb->common; } -static BlockDriverAIOCB *blkdebug_aio_readv(BlockDriverState *bs, +static BlockAIOCB *blkdebug_aio_readv(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { BDRVBlkdebugState *s = bs->opaque; BlkdebugRule *rule = NULL; @@ -511,9 +511,9 @@ static BlockDriverAIOCB *blkdebug_aio_readv(BlockDriverState *bs, return bdrv_aio_readv(bs->file, sector_num, qiov, nb_sectors, cb, opaque); } -static BlockDriverAIOCB *blkdebug_aio_writev(BlockDriverState *bs, +static BlockAIOCB *blkdebug_aio_writev(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { BDRVBlkdebugState *s = bs->opaque; BlkdebugRule *rule = NULL; @@ -533,8 +533,8 @@ static BlockDriverAIOCB *blkdebug_aio_writev(BlockDriverState *bs, return bdrv_aio_writev(bs->file, sector_num, qiov, nb_sectors, cb, opaque); } -static BlockDriverAIOCB *blkdebug_aio_flush(BlockDriverState *bs, - BlockDriverCompletionFunc *cb, void *opaque) +static BlockAIOCB *blkdebug_aio_flush(BlockDriverState *bs, + BlockCompletionFunc *cb, void *opaque) { BDRVBlkdebugState *s = bs->opaque; BlkdebugRule *rule = NULL; diff --git a/block/blkverify.c b/block/blkverify.c index 7d64a23a09..438dff8bcb 100644 --- a/block/blkverify.c +++ b/block/blkverify.c @@ -19,7 +19,7 @@ typedef struct { typedef struct BlkverifyAIOCB BlkverifyAIOCB; struct BlkverifyAIOCB { - BlockDriverAIOCB common; + BlockAIOCB common; QEMUBH *bh; /* Request metadata */ @@ -165,7 +165,7 @@ static int64_t blkverify_getlength(BlockDriverState *bs) static BlkverifyAIOCB *blkverify_aio_get(BlockDriverState *bs, bool is_write, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, + BlockCompletionFunc *cb, void *opaque) { BlkverifyAIOCB *acb = qemu_aio_get(&blkverify_aiocb_info, bs, cb, opaque); @@ -229,9 +229,9 @@ static void blkverify_verify_readv(BlkverifyAIOCB *acb) } } -static BlockDriverAIOCB *blkverify_aio_readv(BlockDriverState *bs, +static BlockAIOCB *blkverify_aio_readv(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { BDRVBlkverifyState *s = bs->opaque; BlkverifyAIOCB *acb = blkverify_aio_get(bs, false, sector_num, qiov, @@ -249,9 +249,9 @@ static BlockDriverAIOCB *blkverify_aio_readv(BlockDriverState *bs, return &acb->common; } -static BlockDriverAIOCB *blkverify_aio_writev(BlockDriverState *bs, +static BlockAIOCB *blkverify_aio_writev(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { BDRVBlkverifyState *s = bs->opaque; BlkverifyAIOCB *acb = blkverify_aio_get(bs, true, sector_num, qiov, @@ -264,9 +264,9 @@ static BlockDriverAIOCB *blkverify_aio_writev(BlockDriverState *bs, return &acb->common; } -static BlockDriverAIOCB *blkverify_aio_flush(BlockDriverState *bs, - BlockDriverCompletionFunc *cb, - void *opaque) +static BlockAIOCB *blkverify_aio_flush(BlockDriverState *bs, + BlockCompletionFunc *cb, + void *opaque) { BDRVBlkverifyState *s = bs->opaque; diff --git a/block/block-backend.c b/block/block-backend.c new file mode 100644 index 0000000000..d0692b18e9 --- /dev/null +++ b/block/block-backend.c @@ -0,0 +1,631 @@ +/* + * QEMU Block backends + * + * Copyright (C) 2014 Red Hat, Inc. + * + * Authors: + * Markus Armbruster <armbru@redhat.com>, + * + * This work is licensed under the terms of the GNU LGPL, version 2.1 + * or later. See the COPYING.LIB file in the top-level directory. + */ + +#include "sysemu/block-backend.h" +#include "block/block_int.h" +#include "sysemu/blockdev.h" +#include "qapi-event.h" + +/* Number of coroutines to reserve per attached device model */ +#define COROUTINE_POOL_RESERVATION 64 + +struct BlockBackend { + char *name; + int refcnt; + BlockDriverState *bs; + DriveInfo *legacy_dinfo; /* null unless created by drive_new() */ + QTAILQ_ENTRY(BlockBackend) link; /* for blk_backends */ + + void *dev; /* attached device model, if any */ + /* TODO change to DeviceState when all users are qdevified */ + const BlockDevOps *dev_ops; + void *dev_opaque; +}; + +static void drive_info_del(DriveInfo *dinfo); + +/* All the BlockBackends (except for hidden ones) */ +static QTAILQ_HEAD(, BlockBackend) blk_backends = + QTAILQ_HEAD_INITIALIZER(blk_backends); + +/* + * Create a new BlockBackend with @name, with a reference count of one. + * @name must not be null or empty. + * Fail if a BlockBackend with this name already exists. + * Store an error through @errp on failure, unless it's null. + * Return the new BlockBackend on success, null on failure. + */ +BlockBackend *blk_new(const char *name, Error **errp) +{ + BlockBackend *blk; + + assert(name && name[0]); + if (!id_wellformed(name)) { + error_setg(errp, "Invalid device name"); + return NULL; + } + if (blk_by_name(name)) { + error_setg(errp, "Device with id '%s' already exists", name); + return NULL; + } + if (bdrv_find_node(name)) { + error_setg(errp, + "Device name '%s' conflicts with an existing node name", + name); + return NULL; + } + + blk = g_new0(BlockBackend, 1); + blk->name = g_strdup(name); + blk->refcnt = 1; + QTAILQ_INSERT_TAIL(&blk_backends, blk, link); + return blk; +} + +/* + * Create a new BlockBackend with a new BlockDriverState attached. + * Otherwise just like blk_new(), which see. + */ +BlockBackend *blk_new_with_bs(const char *name, Error **errp) +{ + BlockBackend *blk; + BlockDriverState *bs; + + blk = blk_new(name, errp); + if (!blk) { + return NULL; + } + + bs = bdrv_new_root(); + blk->bs = bs; + bs->blk = blk; + return blk; +} + +static void blk_delete(BlockBackend *blk) +{ + assert(!blk->refcnt); + assert(!blk->dev); + if (blk->bs) { + assert(blk->bs->blk == blk); + blk->bs->blk = NULL; + bdrv_unref(blk->bs); + blk->bs = NULL; + } + /* Avoid double-remove after blk_hide_on_behalf_of_do_drive_del() */ + if (blk->name[0]) { + QTAILQ_REMOVE(&blk_backends, blk, link); + } + g_free(blk->name); + drive_info_del(blk->legacy_dinfo); + g_free(blk); +} + +static void drive_info_del(DriveInfo *dinfo) +{ + if (!dinfo) { + return; + } + qemu_opts_del(dinfo->opts); + g_free(dinfo->serial); + g_free(dinfo); +} + +/* + * Increment @blk's reference count. + * @blk must not be null. + */ +void blk_ref(BlockBackend *blk) +{ + blk->refcnt++; +} + +/* + * Decrement @blk's reference count. + * If this drops it to zero, destroy @blk. + * For convenience, do nothing if @blk is null. + */ +void blk_unref(BlockBackend *blk) +{ + if (blk) { + assert(blk->refcnt > 0); + if (!--blk->refcnt) { + blk_delete(blk); + } + } +} + +/* + * Return the BlockBackend after @blk. + * If @blk is null, return the first one. + * Else, return @blk's next sibling, which may be null. + * + * To iterate over all BlockBackends, do + * for (blk = blk_next(NULL); blk; blk = blk_next(blk)) { + * ... + * } + */ +BlockBackend *blk_next(BlockBackend *blk) +{ + return blk ? QTAILQ_NEXT(blk, link) : QTAILQ_FIRST(&blk_backends); +} + +/* + * Return @blk's name, a non-null string. + * Wart: the name is empty iff @blk has been hidden with + * blk_hide_on_behalf_of_do_drive_del(). + */ +const char *blk_name(BlockBackend *blk) +{ + return blk->name; +} + +/* + * Return the BlockBackend with name @name if it exists, else null. + * @name must not be null. + */ +BlockBackend *blk_by_name(const char *name) +{ + BlockBackend *blk; + + assert(name); + QTAILQ_FOREACH(blk, &blk_backends, link) { + if (!strcmp(name, blk->name)) { + return blk; + } + } + return NULL; +} + +/* + * Return the BlockDriverState attached to @blk if any, else null. + */ +BlockDriverState *blk_bs(BlockBackend *blk) +{ + return blk->bs; +} + +/* + * Return @blk's DriveInfo if any, else null. + */ +DriveInfo *blk_legacy_dinfo(BlockBackend *blk) +{ + return blk->legacy_dinfo; +} + +/* + * Set @blk's DriveInfo to @dinfo, and return it. + * @blk must not have a DriveInfo set already. + * No other BlockBackend may have the same DriveInfo set. + */ +DriveInfo *blk_set_legacy_dinfo(BlockBackend *blk, DriveInfo *dinfo) +{ + assert(!blk->legacy_dinfo); + return blk->legacy_dinfo = dinfo; +} + +/* + * Return the BlockBackend with DriveInfo @dinfo. + * It must exist. + */ +BlockBackend *blk_by_legacy_dinfo(DriveInfo *dinfo) +{ + BlockBackend *blk; + + QTAILQ_FOREACH(blk, &blk_backends, link) { + if (blk->legacy_dinfo == dinfo) { + return blk; + } + } + abort(); +} + +/* + * Hide @blk. + * @blk must not have been hidden already. + * Make attached BlockDriverState, if any, anonymous. + * Once hidden, @blk is invisible to all functions that don't receive + * it as argument. For example, blk_by_name() won't return it. + * Strictly for use by do_drive_del(). + * TODO get rid of it! + */ +void blk_hide_on_behalf_of_do_drive_del(BlockBackend *blk) +{ + QTAILQ_REMOVE(&blk_backends, blk, link); + blk->name[0] = 0; + if (blk->bs) { + bdrv_make_anon(blk->bs); + } +} + +/* + * Attach device model @dev to @blk. + * Return 0 on success, -EBUSY when a device model is attached already. + */ +int blk_attach_dev(BlockBackend *blk, void *dev) +/* TODO change to DeviceState *dev when all users are qdevified */ +{ + if (blk->dev) { + return -EBUSY; + } + blk_ref(blk); + blk->dev = dev; + bdrv_iostatus_reset(blk->bs); + + /* We're expecting I/O from the device so bump up coroutine pool size */ + qemu_coroutine_adjust_pool_size(COROUTINE_POOL_RESERVATION); + return 0; +} + +/* + * Attach device model @dev to @blk. + * @blk must not have a device model attached already. + * TODO qdevified devices don't use this, remove when devices are qdevified + */ +void blk_attach_dev_nofail(BlockBackend *blk, void *dev) +{ + if (blk_attach_dev(blk, dev) < 0) { + abort(); + } +} + +/* + * Detach device model @dev from @blk. + * @dev must be currently attached to @blk. + */ +void blk_detach_dev(BlockBackend *blk, void *dev) +/* TODO change to DeviceState *dev when all users are qdevified */ +{ + assert(blk->dev == dev); + blk->dev = NULL; + blk->dev_ops = NULL; + blk->dev_opaque = NULL; + bdrv_set_guest_block_size(blk->bs, 512); + qemu_coroutine_adjust_pool_size(-COROUTINE_POOL_RESERVATION); + blk_unref(blk); +} + +/* + * Return the device model attached to @blk if any, else null. + */ +void *blk_get_attached_dev(BlockBackend *blk) +/* TODO change to return DeviceState * when all users are qdevified */ +{ + return blk->dev; +} + +/* + * Set @blk's device model callbacks to @ops. + * @opaque is the opaque argument to pass to the callbacks. + * This is for use by device models. + */ +void blk_set_dev_ops(BlockBackend *blk, const BlockDevOps *ops, + void *opaque) +{ + blk->dev_ops = ops; + blk->dev_opaque = opaque; +} + +/* + * Notify @blk's attached device model of media change. + * If @load is true, notify of media load. + * Else, notify of media eject. + * Also send DEVICE_TRAY_MOVED events as appropriate. + */ +void blk_dev_change_media_cb(BlockBackend *blk, bool load) +{ + if (blk->dev_ops && blk->dev_ops->change_media_cb) { + bool tray_was_closed = !blk_dev_is_tray_open(blk); + + blk->dev_ops->change_media_cb(blk->dev_opaque, load); + if (tray_was_closed) { + /* tray open */ + qapi_event_send_device_tray_moved(blk_name(blk), + true, &error_abort); + } + if (load) { + /* tray close */ + qapi_event_send_device_tray_moved(blk_name(blk), + false, &error_abort); + } + } +} + +/* + * Does @blk's attached device model have removable media? + * %true if no device model is attached. + */ +bool blk_dev_has_removable_media(BlockBackend *blk) +{ + return !blk->dev || (blk->dev_ops && blk->dev_ops->change_media_cb); +} + +/* + * Notify @blk's attached device model of a media eject request. + * If @force is true, the medium is about to be yanked out forcefully. + */ +void blk_dev_eject_request(BlockBackend *blk, bool force) +{ + if (blk->dev_ops && blk->dev_ops->eject_request_cb) { + blk->dev_ops->eject_request_cb(blk->dev_opaque, force); + } +} + +/* + * Does @blk's attached device model have a tray, and is it open? + */ +bool blk_dev_is_tray_open(BlockBackend *blk) +{ + if (blk->dev_ops && blk->dev_ops->is_tray_open) { + return blk->dev_ops->is_tray_open(blk->dev_opaque); + } + return false; +} + +/* + * Does @blk's attached device model have the medium locked? + * %false if the device model has no such lock. + */ +bool blk_dev_is_medium_locked(BlockBackend *blk) +{ + if (blk->dev_ops && blk->dev_ops->is_medium_locked) { + return blk->dev_ops->is_medium_locked(blk->dev_opaque); + } + return false; +} + +/* + * Notify @blk's attached device model of a backend size change. + */ +void blk_dev_resize_cb(BlockBackend *blk) +{ + if (blk->dev_ops && blk->dev_ops->resize_cb) { + blk->dev_ops->resize_cb(blk->dev_opaque); + } +} + +void blk_iostatus_enable(BlockBackend *blk) +{ + bdrv_iostatus_enable(blk->bs); +} + +int blk_read(BlockBackend *blk, int64_t sector_num, uint8_t *buf, + int nb_sectors) +{ + return bdrv_read(blk->bs, sector_num, buf, nb_sectors); +} + +int blk_read_unthrottled(BlockBackend *blk, int64_t sector_num, uint8_t *buf, + int nb_sectors) +{ + return bdrv_read_unthrottled(blk->bs, sector_num, buf, nb_sectors); +} + +int blk_write(BlockBackend *blk, int64_t sector_num, const uint8_t *buf, + int nb_sectors) +{ + return bdrv_write(blk->bs, sector_num, buf, nb_sectors); +} + +BlockAIOCB *blk_aio_write_zeroes(BlockBackend *blk, int64_t sector_num, + int nb_sectors, BdrvRequestFlags flags, + BlockCompletionFunc *cb, void *opaque) +{ + return bdrv_aio_write_zeroes(blk->bs, sector_num, nb_sectors, flags, + cb, opaque); +} + +int blk_pread(BlockBackend *blk, int64_t offset, void *buf, int count) +{ + return bdrv_pread(blk->bs, offset, buf, count); +} + +int blk_pwrite(BlockBackend *blk, int64_t offset, const void *buf, int count) +{ + return bdrv_pwrite(blk->bs, offset, buf, count); +} + +int64_t blk_getlength(BlockBackend *blk) +{ + return bdrv_getlength(blk->bs); +} + +void blk_get_geometry(BlockBackend *blk, uint64_t *nb_sectors_ptr) +{ + bdrv_get_geometry(blk->bs, nb_sectors_ptr); +} + +BlockAIOCB *blk_aio_readv(BlockBackend *blk, int64_t sector_num, + QEMUIOVector *iov, int nb_sectors, + BlockCompletionFunc *cb, void *opaque) +{ + return bdrv_aio_readv(blk->bs, sector_num, iov, nb_sectors, cb, opaque); +} + +BlockAIOCB *blk_aio_writev(BlockBackend *blk, int64_t sector_num, + QEMUIOVector *iov, int nb_sectors, + BlockCompletionFunc *cb, void *opaque) +{ + return bdrv_aio_writev(blk->bs, sector_num, iov, nb_sectors, cb, opaque); +} + +BlockAIOCB *blk_aio_flush(BlockBackend *blk, + BlockCompletionFunc *cb, void *opaque) +{ + return bdrv_aio_flush(blk->bs, cb, opaque); +} + +BlockAIOCB *blk_aio_discard(BlockBackend *blk, + int64_t sector_num, int nb_sectors, + BlockCompletionFunc *cb, void *opaque) +{ + return bdrv_aio_discard(blk->bs, sector_num, nb_sectors, cb, opaque); +} + +void blk_aio_cancel(BlockAIOCB *acb) +{ + bdrv_aio_cancel(acb); +} + +void blk_aio_cancel_async(BlockAIOCB *acb) +{ + bdrv_aio_cancel_async(acb); +} + +int blk_aio_multiwrite(BlockBackend *blk, BlockRequest *reqs, int num_reqs) +{ + return bdrv_aio_multiwrite(blk->bs, reqs, num_reqs); +} + +int blk_ioctl(BlockBackend *blk, unsigned long int req, void *buf) +{ + return bdrv_ioctl(blk->bs, req, buf); +} + +BlockAIOCB *blk_aio_ioctl(BlockBackend *blk, unsigned long int req, void *buf, + BlockCompletionFunc *cb, void *opaque) +{ + return bdrv_aio_ioctl(blk->bs, req, buf, cb, opaque); +} + +int blk_flush(BlockBackend *blk) +{ + return bdrv_flush(blk->bs); +} + +int blk_flush_all(void) +{ + return bdrv_flush_all(); +} + +void blk_drain_all(void) +{ + bdrv_drain_all(); +} + +BlockdevOnError blk_get_on_error(BlockBackend *blk, bool is_read) +{ + return bdrv_get_on_error(blk->bs, is_read); +} + +BlockErrorAction blk_get_error_action(BlockBackend *blk, bool is_read, + int error) +{ + return bdrv_get_error_action(blk->bs, is_read, error); +} + +void blk_error_action(BlockBackend *blk, BlockErrorAction action, + bool is_read, int error) +{ + bdrv_error_action(blk->bs, action, is_read, error); +} + +int blk_is_read_only(BlockBackend *blk) +{ + return bdrv_is_read_only(blk->bs); +} + +int blk_is_sg(BlockBackend *blk) +{ + return bdrv_is_sg(blk->bs); +} + +int blk_enable_write_cache(BlockBackend *blk) +{ + return bdrv_enable_write_cache(blk->bs); +} + +void blk_set_enable_write_cache(BlockBackend *blk, bool wce) +{ + bdrv_set_enable_write_cache(blk->bs, wce); +} + +int blk_is_inserted(BlockBackend *blk) +{ + return bdrv_is_inserted(blk->bs); +} + +void blk_lock_medium(BlockBackend *blk, bool locked) +{ + bdrv_lock_medium(blk->bs, locked); +} + +void blk_eject(BlockBackend *blk, bool eject_flag) +{ + bdrv_eject(blk->bs, eject_flag); +} + +int blk_get_flags(BlockBackend *blk) +{ + return bdrv_get_flags(blk->bs); +} + +void blk_set_guest_block_size(BlockBackend *blk, int align) +{ + bdrv_set_guest_block_size(blk->bs, align); +} + +void *blk_blockalign(BlockBackend *blk, size_t size) +{ + return qemu_blockalign(blk ? blk->bs : NULL, size); +} + +bool blk_op_is_blocked(BlockBackend *blk, BlockOpType op, Error **errp) +{ + return bdrv_op_is_blocked(blk->bs, op, errp); +} + +void blk_op_unblock(BlockBackend *blk, BlockOpType op, Error *reason) +{ + bdrv_op_unblock(blk->bs, op, reason); +} + +void blk_op_block_all(BlockBackend *blk, Error *reason) +{ + bdrv_op_block_all(blk->bs, reason); +} + +void blk_op_unblock_all(BlockBackend *blk, Error *reason) +{ + bdrv_op_unblock_all(blk->bs, reason); +} + +AioContext *blk_get_aio_context(BlockBackend *blk) +{ + return bdrv_get_aio_context(blk->bs); +} + +void blk_set_aio_context(BlockBackend *blk, AioContext *new_context) +{ + bdrv_set_aio_context(blk->bs, new_context); +} + +void blk_io_plug(BlockBackend *blk) +{ + bdrv_io_plug(blk->bs); +} + +void blk_io_unplug(BlockBackend *blk) +{ + bdrv_io_unplug(blk->bs); +} + +BlockAcctStats *blk_get_stats(BlockBackend *blk) +{ + return bdrv_get_stats(blk->bs); +} + +void *blk_aio_get(const AIOCBInfo *aiocb_info, BlockBackend *blk, + BlockCompletionFunc *cb, void *opaque) +{ + return qemu_aio_get(aiocb_info, blk_bs(blk), cb, opaque); +} diff --git a/block/commit.c b/block/commit.c index 91517d3512..60a2accf04 100644 --- a/block/commit.c +++ b/block/commit.c @@ -182,7 +182,7 @@ static const BlockJobDriver commit_job_driver = { void commit_start(BlockDriverState *bs, BlockDriverState *base, BlockDriverState *top, int64_t speed, - BlockdevOnError on_error, BlockDriverCompletionFunc *cb, + BlockdevOnError on_error, BlockCompletionFunc *cb, void *opaque, const char *backing_file_str, Error **errp) { CommitBlockJob *s; diff --git a/block/curl.c b/block/curl.c index 225407c643..b4157cc8b3 100644 --- a/block/curl.c +++ b/block/curl.c @@ -78,7 +78,7 @@ static CURLMcode __curl_multi_socket_action(CURLM *multi_handle, struct BDRVCURLState; typedef struct CURLAIOCB { - BlockDriverAIOCB common; + BlockAIOCB common; QEMUBH *bh; QEMUIOVector *qiov; @@ -680,9 +680,9 @@ static void curl_readv_bh_cb(void *p) curl_multi_socket_action(s->multi, CURL_SOCKET_TIMEOUT, 0, &running); } -static BlockDriverAIOCB *curl_aio_readv(BlockDriverState *bs, +static BlockAIOCB *curl_aio_readv(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { CURLAIOCB *acb; diff --git a/block/iscsi.c b/block/iscsi.c index 3a01de0edb..233f46285c 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -80,7 +80,7 @@ typedef struct IscsiTask { } IscsiTask; typedef struct IscsiAIOCB { - BlockDriverAIOCB common; + BlockAIOCB common; QEMUIOVector *qiov; QEMUBH *bh; IscsiLun *iscsilun; @@ -227,7 +227,7 @@ iscsi_abort_task_cb(struct iscsi_context *iscsi, int status, void *command_data, } static void -iscsi_aio_cancel(BlockDriverAIOCB *blockacb) +iscsi_aio_cancel(BlockAIOCB *blockacb) { IscsiAIOCB *acb = (IscsiAIOCB *)blockacb; IscsiLun *iscsilun = acb->iscsilun; @@ -663,9 +663,9 @@ iscsi_aio_ioctl_cb(struct iscsi_context *iscsi, int status, iscsi_schedule_bh(acb); } -static BlockDriverAIOCB *iscsi_aio_ioctl(BlockDriverState *bs, +static BlockAIOCB *iscsi_aio_ioctl(BlockDriverState *bs, unsigned long int req, void *buf, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { IscsiLun *iscsilun = bs->opaque; struct iscsi_context *iscsi = iscsilun->iscsi; @@ -1519,7 +1519,7 @@ static int iscsi_create(const char *filename, QemuOpts *opts, Error **errp) IscsiLun *iscsilun = NULL; QDict *bs_options; - bs = bdrv_new("", &error_abort); + bs = bdrv_new(); /* Read out options */ total_size = DIV_ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0), diff --git a/block/linux-aio.c b/block/linux-aio.c index f4baba2be0..d92513b0f9 100644 --- a/block/linux-aio.c +++ b/block/linux-aio.c @@ -28,7 +28,7 @@ #define MAX_QUEUED_IO 128 struct qemu_laiocb { - BlockDriverAIOCB common; + BlockAIOCB common; struct qemu_laio_state *ctx; struct iocb iocb; ssize_t ret; @@ -146,7 +146,7 @@ static void qemu_laio_completion_cb(EventNotifier *e) } } -static void laio_cancel(BlockDriverAIOCB *blockacb) +static void laio_cancel(BlockAIOCB *blockacb) { struct qemu_laiocb *laiocb = (struct qemu_laiocb *)blockacb; struct io_event event; @@ -243,9 +243,9 @@ int laio_io_unplug(BlockDriverState *bs, void *aio_ctx, bool unplug) return ret; } -BlockDriverAIOCB *laio_submit(BlockDriverState *bs, void *aio_ctx, int fd, +BlockAIOCB *laio_submit(BlockDriverState *bs, void *aio_ctx, int fd, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque, int type) + BlockCompletionFunc *cb, void *opaque, int type) { struct qemu_laio_state *s = aio_ctx; struct qemu_laiocb *laiocb; diff --git a/block/mirror.c b/block/mirror.c index 18b18e0353..e8a43eb39e 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -567,7 +567,8 @@ static void mirror_complete(BlockJob *job, Error **errp) return; } if (!s->synced) { - error_set(errp, QERR_BLOCK_JOB_NOT_READY, job->bs->device_name); + error_set(errp, QERR_BLOCK_JOB_NOT_READY, + bdrv_get_device_name(job->bs)); return; } @@ -612,7 +613,7 @@ static void mirror_start_job(BlockDriverState *bs, BlockDriverState *target, int64_t buf_size, BlockdevOnError on_source_error, BlockdevOnError on_target_error, - BlockDriverCompletionFunc *cb, + BlockCompletionFunc *cb, void *opaque, Error **errp, const BlockJobDriver *driver, bool is_none_mode, BlockDriverState *base) @@ -672,7 +673,7 @@ void mirror_start(BlockDriverState *bs, BlockDriverState *target, int64_t speed, int64_t granularity, int64_t buf_size, MirrorSyncMode mode, BlockdevOnError on_source_error, BlockdevOnError on_target_error, - BlockDriverCompletionFunc *cb, + BlockCompletionFunc *cb, void *opaque, Error **errp) { bool is_none_mode; @@ -689,7 +690,7 @@ void mirror_start(BlockDriverState *bs, BlockDriverState *target, void commit_active_start(BlockDriverState *bs, BlockDriverState *base, int64_t speed, BlockdevOnError on_error, - BlockDriverCompletionFunc *cb, + BlockCompletionFunc *cb, void *opaque, Error **errp) { int64_t length, base_length; diff --git a/block/nbd.c b/block/nbd.c index 89775e1e2b..04cc845076 100644 --- a/block/nbd.c +++ b/block/nbd.c @@ -342,30 +342,44 @@ static void nbd_attach_aio_context(BlockDriverState *bs, static void nbd_refresh_filename(BlockDriverState *bs) { - BDRVNBDState *s = bs->opaque; QDict *opts = qdict_new(); - const char *path = qemu_opt_get(s->socket_opts, "path"); - const char *host = qemu_opt_get(s->socket_opts, "host"); - const char *port = qemu_opt_get(s->socket_opts, "port"); - const char *export = qemu_opt_get(s->socket_opts, "export"); + const char *path = qdict_get_try_str(bs->options, "path"); + const char *host = qdict_get_try_str(bs->options, "host"); + const char *port = qdict_get_try_str(bs->options, "port"); + const char *export = qdict_get_try_str(bs->options, "export"); qdict_put_obj(opts, "driver", QOBJECT(qstring_from_str("nbd"))); - if (path) { + if (path && export) { snprintf(bs->exact_filename, sizeof(bs->exact_filename), - "nbd+unix:%s", path); - qdict_put_obj(opts, "path", QOBJECT(qstring_from_str(path))); - } else if (export) { + "nbd+unix:///%s?socket=%s", export, path); + } else if (path && !export) { snprintf(bs->exact_filename, sizeof(bs->exact_filename), - "nbd:%s:%s/%s", host, port, export); - qdict_put_obj(opts, "host", QOBJECT(qstring_from_str(host))); - qdict_put_obj(opts, "port", QOBJECT(qstring_from_str(port))); - qdict_put_obj(opts, "export", QOBJECT(qstring_from_str(export))); - } else { + "nbd+unix://?socket=%s", path); + } else if (!path && export && port) { + snprintf(bs->exact_filename, sizeof(bs->exact_filename), + "nbd://%s:%s/%s", host, port, export); + } else if (!path && export && !port) { + snprintf(bs->exact_filename, sizeof(bs->exact_filename), + "nbd://%s/%s", host, export); + } else if (!path && !export && port) { + snprintf(bs->exact_filename, sizeof(bs->exact_filename), + "nbd://%s:%s", host, port); + } else if (!path && !export && !port) { snprintf(bs->exact_filename, sizeof(bs->exact_filename), - "nbd:%s:%s", host, port); + "nbd://%s", host); + } + + if (path) { + qdict_put_obj(opts, "path", QOBJECT(qstring_from_str(path))); + } else if (port) { qdict_put_obj(opts, "host", QOBJECT(qstring_from_str(host))); qdict_put_obj(opts, "port", QOBJECT(qstring_from_str(port))); + } else { + qdict_put_obj(opts, "host", QOBJECT(qstring_from_str(host))); + } + if (export) { + qdict_put_obj(opts, "export", QOBJECT(qstring_from_str(export))); } bs->full_open_options = opts; diff --git a/block/null.c b/block/null.c index 828441999c..ec2bd27a4b 100644 --- a/block/null.c +++ b/block/null.c @@ -78,7 +78,7 @@ static coroutine_fn int null_co_flush(BlockDriverState *bs) } typedef struct { - BlockDriverAIOCB common; + BlockAIOCB common; QEMUBH *bh; } NullAIOCB; @@ -94,9 +94,9 @@ static void null_bh_cb(void *opaque) qemu_aio_unref(acb); } -static inline BlockDriverAIOCB *null_aio_common(BlockDriverState *bs, - BlockDriverCompletionFunc *cb, - void *opaque) +static inline BlockAIOCB *null_aio_common(BlockDriverState *bs, + BlockCompletionFunc *cb, + void *opaque) { NullAIOCB *acb; @@ -106,27 +106,27 @@ static inline BlockDriverAIOCB *null_aio_common(BlockDriverState *bs, return &acb->common; } -static BlockDriverAIOCB *null_aio_readv(BlockDriverState *bs, - int64_t sector_num, QEMUIOVector *qiov, - int nb_sectors, - BlockDriverCompletionFunc *cb, - void *opaque) +static BlockAIOCB *null_aio_readv(BlockDriverState *bs, + int64_t sector_num, QEMUIOVector *qiov, + int nb_sectors, + BlockCompletionFunc *cb, + void *opaque) { return null_aio_common(bs, cb, opaque); } -static BlockDriverAIOCB *null_aio_writev(BlockDriverState *bs, - int64_t sector_num, QEMUIOVector *qiov, - int nb_sectors, - BlockDriverCompletionFunc *cb, - void *opaque) +static BlockAIOCB *null_aio_writev(BlockDriverState *bs, + int64_t sector_num, QEMUIOVector *qiov, + int nb_sectors, + BlockCompletionFunc *cb, + void *opaque) { return null_aio_common(bs, cb, opaque); } -static BlockDriverAIOCB *null_aio_flush(BlockDriverState *bs, - BlockDriverCompletionFunc *cb, - void *opaque) +static BlockAIOCB *null_aio_flush(BlockDriverState *bs, + BlockCompletionFunc *cb, + void *opaque) { return null_aio_common(bs, cb, opaque); } diff --git a/block/qapi.c b/block/qapi.c index 9733ebd328..1301144bbc 100644 --- a/block/qapi.c +++ b/block/qapi.c @@ -28,6 +28,7 @@ #include "qapi-visit.h" #include "qapi/qmp-output-visitor.h" #include "qapi/qmp/types.h" +#include "sysemu/block-backend.h" #ifdef __linux__ #include <linux/fs.h> #include <sys/ioctl.h> @@ -264,22 +265,22 @@ void bdrv_query_image_info(BlockDriverState *bs, } /* @p_info will be set only on success. */ -void bdrv_query_info(BlockDriverState *bs, - BlockInfo **p_info, - Error **errp) +static void bdrv_query_info(BlockBackend *blk, BlockInfo **p_info, + Error **errp) { BlockInfo *info = g_malloc0(sizeof(*info)); + BlockDriverState *bs = blk_bs(blk); BlockDriverState *bs0; ImageInfo **p_image_info; Error *local_err = NULL; - info->device = g_strdup(bs->device_name); + info->device = g_strdup(blk_name(blk)); info->type = g_strdup("unknown"); - info->locked = bdrv_dev_is_medium_locked(bs); - info->removable = bdrv_dev_has_removable_media(bs); + info->locked = blk_dev_is_medium_locked(blk); + info->removable = blk_dev_has_removable_media(blk); - if (bdrv_dev_has_removable_media(bs)) { + if (blk_dev_has_removable_media(blk)) { info->has_tray_open = true; - info->tray_open = bdrv_dev_is_tray_open(bs); + info->tray_open = blk_dev_is_tray_open(blk); } if (bdrv_iostatus_is_enabled(bs)) { @@ -327,9 +328,9 @@ static BlockStats *bdrv_query_stats(const BlockDriverState *bs) s = g_malloc0(sizeof(*s)); - if (bs->device_name[0]) { + if (bdrv_get_device_name(bs)[0]) { s->has_device = true; - s->device = g_strdup(bs->device_name); + s->device = g_strdup(bdrv_get_device_name(bs)); } s->stats = g_malloc0(sizeof(*s->stats)); @@ -360,12 +361,12 @@ static BlockStats *bdrv_query_stats(const BlockDriverState *bs) BlockInfoList *qmp_query_block(Error **errp) { BlockInfoList *head = NULL, **p_next = &head; - BlockDriverState *bs = NULL; + BlockBackend *blk; Error *local_err = NULL; - while ((bs = bdrv_next(bs))) { + for (blk = blk_next(NULL); blk; blk = blk_next(blk)) { BlockInfoList *info = g_malloc0(sizeof(*info)); - bdrv_query_info(bs, &info->value, &local_err); + bdrv_query_info(blk, &info->value, &local_err); if (local_err) { error_propagate(errp, local_err); goto err; diff --git a/block/qcow.c b/block/qcow.c index a87bd692f0..ece22697a6 100644 --- a/block/qcow.c +++ b/block/qcow.c @@ -124,7 +124,7 @@ static int qcow_open(BlockDriverState *bs, QDict *options, int flags, snprintf(version, sizeof(version), "QCOW version %" PRIu32, header.version); error_set(errp, QERR_UNKNOWN_BLOCK_FORMAT_FEATURE, - bs->device_name, "qcow", version); + bdrv_get_device_name(bs), "qcow", version); ret = -ENOTSUP; goto fail; } @@ -231,7 +231,7 @@ static int qcow_open(BlockDriverState *bs, QDict *options, int flags, /* Disable migration when qcow images are used */ error_set(&s->migration_blocker, QERR_BLOCK_FORMAT_FEATURE_NOT_SUPPORTED, - "qcow", bs->device_name, "live migration"); + "qcow", bdrv_get_device_name(bs), "live migration"); migrate_add_blocker(s->migration_blocker); qemu_co_mutex_init(&s->lock); diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c index 2bcaaf9b98..c31d85a840 100644 --- a/block/qcow2-refcount.c +++ b/block/qcow2-refcount.c @@ -524,6 +524,7 @@ found: QTAILQ_REMOVE(&s->discards, p, next); d->offset = MIN(d->offset, p->offset); d->bytes += p->bytes; + g_free(p); } } diff --git a/block/qcow2.c b/block/qcow2.c index fb28493c02..156a219993 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -206,8 +206,8 @@ static void GCC_FMT_ATTR(3, 4) report_unsupported(BlockDriverState *bs, vsnprintf(msg, sizeof(msg), fmt, ap); va_end(ap); - error_set(errp, QERR_UNKNOWN_BLOCK_FORMAT_FEATURE, bs->device_name, "qcow2", - msg); + error_set(errp, QERR_UNKNOWN_BLOCK_FORMAT_FEATURE, + bdrv_get_device_name(bs), "qcow2", msg); } static void report_unsupported_feature(BlockDriverState *bs, diff --git a/block/qed-gencb.c b/block/qed-gencb.c index 7d7ac1ffc8..b817a8bf50 100644 --- a/block/qed-gencb.c +++ b/block/qed-gencb.c @@ -13,7 +13,7 @@ #include "qed.h" -void *gencb_alloc(size_t len, BlockDriverCompletionFunc *cb, void *opaque) +void *gencb_alloc(size_t len, BlockCompletionFunc *cb, void *opaque) { GenericCB *gencb = g_malloc(len); gencb->cb = cb; @@ -24,7 +24,7 @@ void *gencb_alloc(size_t len, BlockDriverCompletionFunc *cb, void *opaque) void gencb_complete(void *opaque, int ret) { GenericCB *gencb = opaque; - BlockDriverCompletionFunc *cb = gencb->cb; + BlockCompletionFunc *cb = gencb->cb; void *user_opaque = gencb->opaque; g_free(gencb); diff --git a/block/qed-table.c b/block/qed-table.c index f61107a1cf..513aa872c9 100644 --- a/block/qed-table.c +++ b/block/qed-table.c @@ -49,7 +49,7 @@ out: } static void qed_read_table(BDRVQEDState *s, uint64_t offset, QEDTable *table, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { QEDReadTableCB *read_table_cb = gencb_alloc(sizeof(*read_table_cb), cb, opaque); @@ -119,7 +119,7 @@ out: */ static void qed_write_table(BDRVQEDState *s, uint64_t offset, QEDTable *table, unsigned int index, unsigned int n, bool flush, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { QEDWriteTableCB *write_table_cb; unsigned int sector_mask = BDRV_SECTOR_SIZE / sizeof(uint64_t) - 1; @@ -180,7 +180,7 @@ int qed_read_l1_table_sync(BDRVQEDState *s) } void qed_write_l1_table(BDRVQEDState *s, unsigned int index, unsigned int n, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { BLKDBG_EVENT(s->bs->file, BLKDBG_L1_UPDATE); qed_write_table(s, s->header.l1_table_offset, @@ -235,7 +235,7 @@ static void qed_read_l2_table_cb(void *opaque, int ret) } void qed_read_l2_table(BDRVQEDState *s, QEDRequest *request, uint64_t offset, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { QEDReadL2TableCB *read_l2_table_cb; @@ -275,7 +275,7 @@ int qed_read_l2_table_sync(BDRVQEDState *s, QEDRequest *request, uint64_t offset void qed_write_l2_table(BDRVQEDState *s, QEDRequest *request, unsigned int index, unsigned int n, bool flush, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { BLKDBG_EVENT(s->bs->file, BLKDBG_L2_UPDATE); qed_write_table(s, request->l2_table->offset, diff --git a/block/qed.c b/block/qed.c index e2316d7ff0..80f18d82e2 100644 --- a/block/qed.c +++ b/block/qed.c @@ -130,7 +130,7 @@ static void qed_write_header_read_cb(void *opaque, int ret) * This function only updates known header fields in-place and does not affect * extra data after the QED header. */ -static void qed_write_header(BDRVQEDState *s, BlockDriverCompletionFunc cb, +static void qed_write_header(BDRVQEDState *s, BlockCompletionFunc cb, void *opaque) { /* We must write full sectors for O_DIRECT but cannot necessarily generate @@ -408,7 +408,7 @@ static int bdrv_qed_open(BlockDriverState *bs, QDict *options, int flags, snprintf(buf, sizeof(buf), "%" PRIx64, s->header.features & ~QED_FEATURE_MASK); error_set(errp, QERR_UNKNOWN_BLOCK_FORMAT_FEATURE, - bs->device_name, "QED", buf); + bdrv_get_device_name(bs), "QED", buf); return -ENOTSUP; } if (!qed_is_cluster_size_valid(s->header.cluster_size)) { @@ -759,7 +759,7 @@ static BDRVQEDState *acb_to_s(QEDAIOCB *acb) static void qed_read_backing_file(BDRVQEDState *s, uint64_t pos, QEMUIOVector *qiov, QEMUIOVector **backing_qiov, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { uint64_t backing_length = 0; size_t size; @@ -851,7 +851,7 @@ static void qed_copy_from_backing_file_write(void *opaque, int ret) */ static void qed_copy_from_backing_file(BDRVQEDState *s, uint64_t pos, uint64_t len, uint64_t offset, - BlockDriverCompletionFunc *cb, + BlockCompletionFunc *cb, void *opaque) { CopyFromBackingFileCB *copy_cb; @@ -902,7 +902,7 @@ static void qed_update_l2_table(BDRVQEDState *s, QEDTable *table, int index, static void qed_aio_complete_bh(void *opaque) { QEDAIOCB *acb = opaque; - BlockDriverCompletionFunc *cb = acb->common.cb; + BlockCompletionFunc *cb = acb->common.cb; void *user_opaque = acb->common.opaque; int ret = acb->bh_ret; @@ -1064,7 +1064,7 @@ static void qed_aio_write_main(void *opaque, int ret) BDRVQEDState *s = acb_to_s(acb); uint64_t offset = acb->cur_cluster + qed_offset_into_cluster(s, acb->cur_pos); - BlockDriverCompletionFunc *next_fn; + BlockCompletionFunc *next_fn; trace_qed_aio_write_main(s, acb, ret, offset, acb->cur_qiov.size); @@ -1164,7 +1164,7 @@ static void qed_aio_write_zero_cluster(void *opaque, int ret) static void qed_aio_write_alloc(QEDAIOCB *acb, size_t len) { BDRVQEDState *s = acb_to_s(acb); - BlockDriverCompletionFunc *cb; + BlockCompletionFunc *cb; /* Cancel timer when the first allocating request comes in */ if (QSIMPLEQ_EMPTY(&s->allocating_write_reqs)) { @@ -1365,11 +1365,11 @@ static void qed_aio_next_io(void *opaque, int ret) io_fn, acb); } -static BlockDriverAIOCB *qed_aio_setup(BlockDriverState *bs, - int64_t sector_num, - QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, - void *opaque, int flags) +static BlockAIOCB *qed_aio_setup(BlockDriverState *bs, + int64_t sector_num, + QEMUIOVector *qiov, int nb_sectors, + BlockCompletionFunc *cb, + void *opaque, int flags) { QEDAIOCB *acb = qemu_aio_get(&qed_aiocb_info, bs, cb, opaque); @@ -1390,20 +1390,20 @@ static BlockDriverAIOCB *qed_aio_setup(BlockDriverState *bs, return &acb->common; } -static BlockDriverAIOCB *bdrv_qed_aio_readv(BlockDriverState *bs, - int64_t sector_num, - QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, - void *opaque) +static BlockAIOCB *bdrv_qed_aio_readv(BlockDriverState *bs, + int64_t sector_num, + QEMUIOVector *qiov, int nb_sectors, + BlockCompletionFunc *cb, + void *opaque) { return qed_aio_setup(bs, sector_num, qiov, nb_sectors, cb, opaque, 0); } -static BlockDriverAIOCB *bdrv_qed_aio_writev(BlockDriverState *bs, - int64_t sector_num, - QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, - void *opaque) +static BlockAIOCB *bdrv_qed_aio_writev(BlockDriverState *bs, + int64_t sector_num, + QEMUIOVector *qiov, int nb_sectors, + BlockCompletionFunc *cb, + void *opaque) { return qed_aio_setup(bs, sector_num, qiov, nb_sectors, cb, opaque, QED_AIOCB_WRITE); @@ -1431,7 +1431,7 @@ static int coroutine_fn bdrv_qed_co_write_zeroes(BlockDriverState *bs, int nb_sectors, BdrvRequestFlags flags) { - BlockDriverAIOCB *blockacb; + BlockAIOCB *blockacb; BDRVQEDState *s = bs->opaque; QEDWriteZeroesCB cb = { .done = false }; QEMUIOVector qiov; diff --git a/block/qed.h b/block/qed.h index 2b0e724e05..d3934a05cd 100644 --- a/block/qed.h +++ b/block/qed.h @@ -128,7 +128,7 @@ enum { }; typedef struct QEDAIOCB { - BlockDriverAIOCB common; + BlockAIOCB common; QEMUBH *bh; int bh_ret; /* final return status for completion bh */ QSIMPLEQ_ENTRY(QEDAIOCB) next; /* next request */ @@ -203,11 +203,11 @@ typedef void QEDFindClusterFunc(void *opaque, int ret, uint64_t offset, size_t l * Generic callback for chaining async callbacks */ typedef struct { - BlockDriverCompletionFunc *cb; + BlockCompletionFunc *cb; void *opaque; } GenericCB; -void *gencb_alloc(size_t len, BlockDriverCompletionFunc *cb, void *opaque); +void *gencb_alloc(size_t len, BlockCompletionFunc *cb, void *opaque); void gencb_complete(void *opaque, int ret); /** @@ -230,16 +230,16 @@ void qed_commit_l2_cache_entry(L2TableCache *l2_cache, CachedL2Table *l2_table); */ int qed_read_l1_table_sync(BDRVQEDState *s); void qed_write_l1_table(BDRVQEDState *s, unsigned int index, unsigned int n, - BlockDriverCompletionFunc *cb, void *opaque); + BlockCompletionFunc *cb, void *opaque); int qed_write_l1_table_sync(BDRVQEDState *s, unsigned int index, unsigned int n); int qed_read_l2_table_sync(BDRVQEDState *s, QEDRequest *request, uint64_t offset); void qed_read_l2_table(BDRVQEDState *s, QEDRequest *request, uint64_t offset, - BlockDriverCompletionFunc *cb, void *opaque); + BlockCompletionFunc *cb, void *opaque); void qed_write_l2_table(BDRVQEDState *s, QEDRequest *request, unsigned int index, unsigned int n, bool flush, - BlockDriverCompletionFunc *cb, void *opaque); + BlockCompletionFunc *cb, void *opaque); int qed_write_l2_table_sync(BDRVQEDState *s, QEDRequest *request, unsigned int index, unsigned int n, bool flush); diff --git a/block/quorum.c b/block/quorum.c index 7687466733..437b12251d 100644 --- a/block/quorum.c +++ b/block/quorum.c @@ -92,7 +92,7 @@ typedef struct QuorumAIOCB QuorumAIOCB; * $children_count QuorumChildRequest. */ typedef struct QuorumChildRequest { - BlockDriverAIOCB *aiocb; + BlockAIOCB *aiocb; QEMUIOVector qiov; uint8_t *buf; int ret; @@ -105,7 +105,7 @@ typedef struct QuorumChildRequest { * used to do operations on each children and track overall progress. */ struct QuorumAIOCB { - BlockDriverAIOCB common; + BlockAIOCB common; /* Request metadata */ uint64_t sector_num; @@ -130,7 +130,7 @@ struct QuorumAIOCB { static bool quorum_vote(QuorumAIOCB *acb); -static void quorum_aio_cancel(BlockDriverAIOCB *blockacb) +static void quorum_aio_cancel(BlockAIOCB *blockacb) { QuorumAIOCB *acb = container_of(blockacb, QuorumAIOCB, common); BDRVQuorumState *s = acb->common.bs->opaque; @@ -186,7 +186,7 @@ static QuorumAIOCB *quorum_aio_get(BDRVQuorumState *s, QEMUIOVector *qiov, uint64_t sector_num, int nb_sectors, - BlockDriverCompletionFunc *cb, + BlockCompletionFunc *cb, void *opaque) { QuorumAIOCB *acb = qemu_aio_get(&quorum_aiocb_info, bs, cb, opaque); @@ -226,8 +226,8 @@ static void quorum_report_bad(QuorumAIOCB *acb, char *node_name, int ret) static void quorum_report_failure(QuorumAIOCB *acb) { - const char *reference = acb->common.bs->device_name[0] ? - acb->common.bs->device_name : + const char *reference = bdrv_get_device_name(acb->common.bs)[0] ? + bdrv_get_device_name(acb->common.bs) : acb->common.bs->node_name; qapi_event_send_quorum_failure(reference, acb->sector_num, @@ -264,7 +264,7 @@ static void quorum_rewrite_aio_cb(void *opaque, int ret) quorum_aio_finalize(acb); } -static BlockDriverAIOCB *read_fifo_child(QuorumAIOCB *acb); +static BlockAIOCB *read_fifo_child(QuorumAIOCB *acb); static void quorum_copy_qiov(QEMUIOVector *dest, QEMUIOVector *source) { @@ -640,7 +640,7 @@ free_exit: return rewrite; } -static BlockDriverAIOCB *read_quorum_children(QuorumAIOCB *acb) +static BlockAIOCB *read_quorum_children(QuorumAIOCB *acb) { BDRVQuorumState *s = acb->common.bs->opaque; int i; @@ -659,7 +659,7 @@ static BlockDriverAIOCB *read_quorum_children(QuorumAIOCB *acb) return &acb->common; } -static BlockDriverAIOCB *read_fifo_child(QuorumAIOCB *acb) +static BlockAIOCB *read_fifo_child(QuorumAIOCB *acb) { BDRVQuorumState *s = acb->common.bs->opaque; @@ -675,12 +675,12 @@ static BlockDriverAIOCB *read_fifo_child(QuorumAIOCB *acb) return &acb->common; } -static BlockDriverAIOCB *quorum_aio_readv(BlockDriverState *bs, - int64_t sector_num, - QEMUIOVector *qiov, - int nb_sectors, - BlockDriverCompletionFunc *cb, - void *opaque) +static BlockAIOCB *quorum_aio_readv(BlockDriverState *bs, + int64_t sector_num, + QEMUIOVector *qiov, + int nb_sectors, + BlockCompletionFunc *cb, + void *opaque) { BDRVQuorumState *s = bs->opaque; QuorumAIOCB *acb = quorum_aio_get(s, bs, qiov, sector_num, @@ -696,12 +696,12 @@ static BlockDriverAIOCB *quorum_aio_readv(BlockDriverState *bs, return read_fifo_child(acb); } -static BlockDriverAIOCB *quorum_aio_writev(BlockDriverState *bs, - int64_t sector_num, - QEMUIOVector *qiov, - int nb_sectors, - BlockDriverCompletionFunc *cb, - void *opaque) +static BlockAIOCB *quorum_aio_writev(BlockDriverState *bs, + int64_t sector_num, + QEMUIOVector *qiov, + int nb_sectors, + BlockCompletionFunc *cb, + void *opaque) { BDRVQuorumState *s = bs->opaque; QuorumAIOCB *acb = quorum_aio_get(s, bs, qiov, sector_num, nb_sectors, diff --git a/block/raw-aio.h b/block/raw-aio.h index e18c97509a..80681ce175 100644 --- a/block/raw-aio.h +++ b/block/raw-aio.h @@ -35,9 +35,9 @@ #ifdef CONFIG_LINUX_AIO void *laio_init(void); void laio_cleanup(void *s); -BlockDriverAIOCB *laio_submit(BlockDriverState *bs, void *aio_ctx, int fd, +BlockAIOCB *laio_submit(BlockDriverState *bs, void *aio_ctx, int fd, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque, int type); + BlockCompletionFunc *cb, void *opaque, int type); void laio_detach_aio_context(void *s, AioContext *old_context); void laio_attach_aio_context(void *s, AioContext *new_context); void laio_io_plug(BlockDriverState *bs, void *aio_ctx); @@ -49,10 +49,10 @@ typedef struct QEMUWin32AIOState QEMUWin32AIOState; QEMUWin32AIOState *win32_aio_init(void); void win32_aio_cleanup(QEMUWin32AIOState *aio); int win32_aio_attach(QEMUWin32AIOState *aio, HANDLE hfile); -BlockDriverAIOCB *win32_aio_submit(BlockDriverState *bs, +BlockAIOCB *win32_aio_submit(BlockDriverState *bs, QEMUWin32AIOState *aio, HANDLE hfile, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque, int type); + BlockCompletionFunc *cb, void *opaque, int type); void win32_aio_detach_aio_context(QEMUWin32AIOState *aio, AioContext *old_context); void win32_aio_attach_aio_context(QEMUWin32AIOState *aio, diff --git a/block/raw-posix.c b/block/raw-posix.c index 86ce4f2607..ee4ca3c01e 100644 --- a/block/raw-posix.c +++ b/block/raw-posix.c @@ -1041,9 +1041,9 @@ static int paio_submit_co(BlockDriverState *bs, int fd, return thread_pool_submit_co(pool, aio_worker, acb); } -static BlockDriverAIOCB *paio_submit(BlockDriverState *bs, int fd, +static BlockAIOCB *paio_submit(BlockDriverState *bs, int fd, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque, int type) + BlockCompletionFunc *cb, void *opaque, int type) { RawPosixAIOData *acb = g_slice_new(RawPosixAIOData); ThreadPool *pool; @@ -1066,9 +1066,9 @@ static BlockDriverAIOCB *paio_submit(BlockDriverState *bs, int fd, return thread_pool_submit_aio(pool, aio_worker, acb, cb, opaque); } -static BlockDriverAIOCB *raw_aio_submit(BlockDriverState *bs, +static BlockAIOCB *raw_aio_submit(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque, int type) + BlockCompletionFunc *cb, void *opaque, int type) { BDRVRawState *s = bs->opaque; @@ -1125,24 +1125,24 @@ static void raw_aio_flush_io_queue(BlockDriverState *bs) #endif } -static BlockDriverAIOCB *raw_aio_readv(BlockDriverState *bs, +static BlockAIOCB *raw_aio_readv(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { return raw_aio_submit(bs, sector_num, qiov, nb_sectors, cb, opaque, QEMU_AIO_READ); } -static BlockDriverAIOCB *raw_aio_writev(BlockDriverState *bs, +static BlockAIOCB *raw_aio_writev(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { return raw_aio_submit(bs, sector_num, qiov, nb_sectors, cb, opaque, QEMU_AIO_WRITE); } -static BlockDriverAIOCB *raw_aio_flush(BlockDriverState *bs, - BlockDriverCompletionFunc *cb, void *opaque) +static BlockAIOCB *raw_aio_flush(BlockDriverState *bs, + BlockCompletionFunc *cb, void *opaque) { BDRVRawState *s = bs->opaque; @@ -1482,7 +1482,7 @@ static int64_t try_fiemap(BlockDriverState *bs, off_t start, off_t *data, f.fm.fm_start = start; f.fm.fm_length = (int64_t)nb_sectors * BDRV_SECTOR_SIZE; - f.fm.fm_flags = 0; + f.fm.fm_flags = FIEMAP_FLAG_SYNC; f.fm.fm_extent_count = 1; f.fm.fm_reserved = 0; if (ioctl(s->fd, FS_IOC_FIEMAP, &f) == -1) { @@ -1571,9 +1571,9 @@ static int64_t coroutine_fn raw_co_get_block_status(BlockDriverState *bs, start = sector_num * BDRV_SECTOR_SIZE; - ret = try_fiemap(bs, start, &data, &hole, nb_sectors, pnum); + ret = try_seek_hole(bs, start, &data, &hole, pnum); if (ret < 0) { - ret = try_seek_hole(bs, start, &data, &hole, pnum); + ret = try_fiemap(bs, start, &data, &hole, nb_sectors, pnum); if (ret < 0) { /* Assume everything is allocated. */ data = 0; @@ -1595,9 +1595,9 @@ static int64_t coroutine_fn raw_co_get_block_status(BlockDriverState *bs, return ret; } -static coroutine_fn BlockDriverAIOCB *raw_aio_discard(BlockDriverState *bs, +static coroutine_fn BlockAIOCB *raw_aio_discard(BlockDriverState *bs, int64_t sector_num, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { BDRVRawState *s = bs->opaque; @@ -1935,9 +1935,9 @@ static int hdev_ioctl(BlockDriverState *bs, unsigned long int req, void *buf) return ioctl(s->fd, req, buf); } -static BlockDriverAIOCB *hdev_aio_ioctl(BlockDriverState *bs, +static BlockAIOCB *hdev_aio_ioctl(BlockDriverState *bs, unsigned long int req, void *buf, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { BDRVRawState *s = bs->opaque; RawPosixAIOData *acb; @@ -1976,9 +1976,9 @@ static int fd_open(BlockDriverState *bs) #endif /* !linux && !FreeBSD */ -static coroutine_fn BlockDriverAIOCB *hdev_aio_discard(BlockDriverState *bs, +static coroutine_fn BlockAIOCB *hdev_aio_discard(BlockDriverState *bs, int64_t sector_num, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { BDRVRawState *s = bs->opaque; diff --git a/block/raw-win32.c b/block/raw-win32.c index 9bf82252b8..7b588815b9 100644 --- a/block/raw-win32.c +++ b/block/raw-win32.c @@ -138,9 +138,9 @@ static int aio_worker(void *arg) return ret; } -static BlockDriverAIOCB *paio_submit(BlockDriverState *bs, HANDLE hfile, +static BlockAIOCB *paio_submit(BlockDriverState *bs, HANDLE hfile, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque, int type) + BlockCompletionFunc *cb, void *opaque, int type) { RawWin32AIOData *acb = g_slice_new(RawWin32AIOData); ThreadPool *pool; @@ -369,9 +369,9 @@ fail: return ret; } -static BlockDriverAIOCB *raw_aio_readv(BlockDriverState *bs, +static BlockAIOCB *raw_aio_readv(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { BDRVRawState *s = bs->opaque; if (s->aio) { @@ -383,9 +383,9 @@ static BlockDriverAIOCB *raw_aio_readv(BlockDriverState *bs, } } -static BlockDriverAIOCB *raw_aio_writev(BlockDriverState *bs, +static BlockAIOCB *raw_aio_writev(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { BDRVRawState *s = bs->opaque; if (s->aio) { @@ -397,8 +397,8 @@ static BlockDriverAIOCB *raw_aio_writev(BlockDriverState *bs, } } -static BlockDriverAIOCB *raw_aio_flush(BlockDriverState *bs, - BlockDriverCompletionFunc *cb, void *opaque) +static BlockAIOCB *raw_aio_flush(BlockDriverState *bs, + BlockCompletionFunc *cb, void *opaque) { BDRVRawState *s = bs->opaque; return paio_submit(bs, s->hfile, 0, NULL, 0, cb, opaque, QEMU_AIO_FLUSH); diff --git a/block/raw_bsd.c b/block/raw_bsd.c index f82f4c25df..401b967e85 100644 --- a/block/raw_bsd.c +++ b/block/raw_bsd.c @@ -129,10 +129,10 @@ static int raw_ioctl(BlockDriverState *bs, unsigned long int req, void *buf) return bdrv_ioctl(bs->file, req, buf); } -static BlockDriverAIOCB *raw_aio_ioctl(BlockDriverState *bs, - unsigned long int req, void *buf, - BlockDriverCompletionFunc *cb, - void *opaque) +static BlockAIOCB *raw_aio_ioctl(BlockDriverState *bs, + unsigned long int req, void *buf, + BlockCompletionFunc *cb, + void *opaque) { return bdrv_aio_ioctl(bs->file, req, buf, cb, opaque); } diff --git a/block/rbd.c b/block/rbd.c index 96947e328a..47cab8be94 100644 --- a/block/rbd.c +++ b/block/rbd.c @@ -68,7 +68,7 @@ typedef enum { } RBDAIOCmd; typedef struct RBDAIOCB { - BlockDriverAIOCB common; + BlockAIOCB common; QEMUBH *bh; int64_t ret; QEMUIOVector *qiov; @@ -589,13 +589,13 @@ static int rbd_aio_flush_wrapper(rbd_image_t image, #endif } -static BlockDriverAIOCB *rbd_start_aio(BlockDriverState *bs, - int64_t sector_num, - QEMUIOVector *qiov, - int nb_sectors, - BlockDriverCompletionFunc *cb, - void *opaque, - RBDAIOCmd cmd) +static BlockAIOCB *rbd_start_aio(BlockDriverState *bs, + int64_t sector_num, + QEMUIOVector *qiov, + int nb_sectors, + BlockCompletionFunc *cb, + void *opaque, + RBDAIOCmd cmd) { RBDAIOCB *acb; RADOSCB *rcb = NULL; @@ -675,32 +675,32 @@ failed: return NULL; } -static BlockDriverAIOCB *qemu_rbd_aio_readv(BlockDriverState *bs, - int64_t sector_num, - QEMUIOVector *qiov, - int nb_sectors, - BlockDriverCompletionFunc *cb, - void *opaque) +static BlockAIOCB *qemu_rbd_aio_readv(BlockDriverState *bs, + int64_t sector_num, + QEMUIOVector *qiov, + int nb_sectors, + BlockCompletionFunc *cb, + void *opaque) { return rbd_start_aio(bs, sector_num, qiov, nb_sectors, cb, opaque, RBD_AIO_READ); } -static BlockDriverAIOCB *qemu_rbd_aio_writev(BlockDriverState *bs, - int64_t sector_num, - QEMUIOVector *qiov, - int nb_sectors, - BlockDriverCompletionFunc *cb, - void *opaque) +static BlockAIOCB *qemu_rbd_aio_writev(BlockDriverState *bs, + int64_t sector_num, + QEMUIOVector *qiov, + int nb_sectors, + BlockCompletionFunc *cb, + void *opaque) { return rbd_start_aio(bs, sector_num, qiov, nb_sectors, cb, opaque, RBD_AIO_WRITE); } #ifdef LIBRBD_SUPPORTS_AIO_FLUSH -static BlockDriverAIOCB *qemu_rbd_aio_flush(BlockDriverState *bs, - BlockDriverCompletionFunc *cb, - void *opaque) +static BlockAIOCB *qemu_rbd_aio_flush(BlockDriverState *bs, + BlockCompletionFunc *cb, + void *opaque) { return rbd_start_aio(bs, 0, NULL, 0, cb, opaque, RBD_AIO_FLUSH); } @@ -876,11 +876,11 @@ static int qemu_rbd_snap_list(BlockDriverState *bs, } #ifdef LIBRBD_SUPPORTS_DISCARD -static BlockDriverAIOCB* qemu_rbd_aio_discard(BlockDriverState *bs, - int64_t sector_num, - int nb_sectors, - BlockDriverCompletionFunc *cb, - void *opaque) +static BlockAIOCB* qemu_rbd_aio_discard(BlockDriverState *bs, + int64_t sector_num, + int nb_sectors, + BlockCompletionFunc *cb, + void *opaque) { return rbd_start_aio(bs, sector_num, NULL, nb_sectors, cb, opaque, RBD_AIO_DISCARD); diff --git a/block/sheepdog.c b/block/sheepdog.c index 2d78ef91f7..be3176fcb4 100644 --- a/block/sheepdog.c +++ b/block/sheepdog.c @@ -301,7 +301,7 @@ enum AIOCBState { }; struct SheepdogAIOCB { - BlockDriverAIOCB common; + BlockAIOCB common; QEMUIOVector *qiov; @@ -473,7 +473,7 @@ static bool sd_acb_cancelable(const SheepdogAIOCB *acb) return true; } -static void sd_aio_cancel(BlockDriverAIOCB *blockacb) +static void sd_aio_cancel(BlockAIOCB *blockacb) { SheepdogAIOCB *acb = (SheepdogAIOCB *)blockacb; BDRVSheepdogState *s = acb->common.bs->opaque; diff --git a/block/stream.c b/block/stream.c index cdea3e8d0c..a1dc8da484 100644 --- a/block/stream.c +++ b/block/stream.c @@ -220,7 +220,7 @@ static const BlockJobDriver stream_job_driver = { void stream_start(BlockDriverState *bs, BlockDriverState *base, const char *backing_file_str, int64_t speed, BlockdevOnError on_error, - BlockDriverCompletionFunc *cb, + BlockCompletionFunc *cb, void *opaque, Error **errp) { StreamBlockJob *s; diff --git a/block/vdi.c b/block/vdi.c index cfa08b0b93..9604721476 100644 --- a/block/vdi.c +++ b/block/vdi.c @@ -490,7 +490,7 @@ static int vdi_open(BlockDriverState *bs, QDict *options, int flags, /* Disable migration when vdi images are used */ error_set(&s->migration_blocker, QERR_BLOCK_FORMAT_FEATURE_NOT_SUPPORTED, - "vdi", bs->device_name, "live migration"); + "vdi", bdrv_get_device_name(bs), "live migration"); migrate_add_blocker(s->migration_blocker); return 0; diff --git a/block/vhdx.c b/block/vhdx.c index b0464487a5..12bfe75e51 100644 --- a/block/vhdx.c +++ b/block/vhdx.c @@ -1004,7 +1004,7 @@ static int vhdx_open(BlockDriverState *bs, QDict *options, int flags, /* Disable migration when VHDX images are used */ error_set(&s->migration_blocker, QERR_BLOCK_FORMAT_FEATURE_NOT_SUPPORTED, - "vhdx", bs->device_name, "live migration"); + "vhdx", bdrv_get_device_name(bs), "live migration"); migrate_add_blocker(s->migration_blocker); return 0; diff --git a/block/vmdk.c b/block/vmdk.c index 4ae6c75310..673d3f5fb4 100644 --- a/block/vmdk.c +++ b/block/vmdk.c @@ -657,7 +657,7 @@ static int vmdk_open_vmdk4(BlockDriverState *bs, snprintf(buf, sizeof(buf), "VMDK version %" PRId32, le32_to_cpu(header.version)); error_set(errp, QERR_UNKNOWN_BLOCK_FORMAT_FEATURE, - bs->device_name, "vmdk", buf); + bdrv_get_device_name(bs), "vmdk", buf); return -ENOTSUP; } else if (le32_to_cpu(header.version) == 3 && (flags & BDRV_O_RDWR)) { /* VMware KB 2064959 explains that version 3 added support for @@ -939,7 +939,7 @@ static int vmdk_open(BlockDriverState *bs, QDict *options, int flags, /* Disable migration when VMDK images are used */ error_set(&s->migration_blocker, QERR_BLOCK_FORMAT_FEATURE_NOT_SUPPORTED, - "vmdk", bs->device_name, "live migration"); + "vmdk", bdrv_get_device_name(bs), "live migration"); migrate_add_blocker(s->migration_blocker); g_free(buf); return 0; diff --git a/block/vpc.c b/block/vpc.c index e08144a76e..38c4f02fff 100644 --- a/block/vpc.c +++ b/block/vpc.c @@ -320,7 +320,7 @@ static int vpc_open(BlockDriverState *bs, QDict *options, int flags, /* Disable migration when VHD images are used */ error_set(&s->migration_blocker, QERR_BLOCK_FORMAT_FEATURE_NOT_SUPPORTED, - "vpc", bs->device_name, "live migration"); + "vpc", bdrv_get_device_name(bs), "live migration"); migrate_add_blocker(s->migration_blocker); return 0; diff --git a/block/vvfat.c b/block/vvfat.c index 731e591ec1..cefe3a4f79 100644 --- a/block/vvfat.c +++ b/block/vvfat.c @@ -1182,7 +1182,7 @@ static int vvfat_open(BlockDriverState *bs, QDict *options, int flags, if (s->qcow) { error_set(&s->migration_blocker, QERR_BLOCK_FORMAT_FEATURE_NOT_SUPPORTED, - "vvfat (rw)", bs->device_name, "live migration"); + "vvfat (rw)", bdrv_get_device_name(bs), "live migration"); migrate_add_blocker(s->migration_blocker); } @@ -2939,7 +2939,7 @@ static int enable_write_target(BDRVVVFATState *s, Error **errp) unlink(s->qcow_filename); #endif - bdrv_set_backing_hd(s->bs, bdrv_new("", &error_abort)); + bdrv_set_backing_hd(s->bs, bdrv_new()); s->bs->backing_hd->drv = &vvfat_write_target; s->bs->backing_hd->opaque = g_new(void *, 1); *(void**)s->bs->backing_hd->opaque = s; diff --git a/block/win32-aio.c b/block/win32-aio.c index 9323c1aed1..64e86827bc 100644 --- a/block/win32-aio.c +++ b/block/win32-aio.c @@ -44,7 +44,7 @@ struct QEMUWin32AIOState { }; typedef struct QEMUWin32AIOCB { - BlockDriverAIOCB common; + BlockAIOCB common; struct QEMUWin32AIOState *ctx; int nbytes; OVERLAPPED ov; @@ -110,10 +110,10 @@ static const AIOCBInfo win32_aiocb_info = { .aiocb_size = sizeof(QEMUWin32AIOCB), }; -BlockDriverAIOCB *win32_aio_submit(BlockDriverState *bs, +BlockAIOCB *win32_aio_submit(BlockDriverState *bs, QEMUWin32AIOState *aio, HANDLE hfile, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque, int type) + BlockCompletionFunc *cb, void *opaque, int type) { struct QEMUWin32AIOCB *waiocb; uint64_t offset = sector_num * 512; diff --git a/blockdev.c b/blockdev.c index e595910476..eb743a956c 100644 --- a/blockdev.c +++ b/blockdev.c @@ -30,6 +30,7 @@ * THE SOFTWARE. */ +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "hw/block/block.h" #include "block/blockjob.h" @@ -46,8 +47,6 @@ #include "trace.h" #include "sysemu/arch_init.h" -static QTAILQ_HEAD(drivelist, DriveInfo) drives = QTAILQ_HEAD_INITIALIZER(drives); - static const char *const if_name[IF_COUNT] = { [IF_NONE] = "none", [IF_IDE] = "ide", @@ -85,13 +84,15 @@ static int if_max_devs[IF_COUNT] = { */ void override_max_devs(BlockInterfaceType type, int max_devs) { + BlockBackend *blk; DriveInfo *dinfo; if (max_devs <= 0) { return; } - QTAILQ_FOREACH(dinfo, &drives, next) { + for (blk = blk_next(NULL); blk; blk = blk_next(blk)) { + dinfo = blk_legacy_dinfo(blk); if (dinfo->type == type) { fprintf(stderr, "Cannot override units-per-bus property of" " the %s interface, because a drive of that type has" @@ -110,28 +111,27 @@ void override_max_devs(BlockInterfaceType type, int max_devs) * automatic deletion, and generic qdev code calls blockdev_auto_del() * when deletion is actually safe. */ -void blockdev_mark_auto_del(BlockDriverState *bs) +void blockdev_mark_auto_del(BlockBackend *blk) { - DriveInfo *dinfo = drive_get_by_blockdev(bs); + DriveInfo *dinfo = blk_legacy_dinfo(blk); + BlockDriverState *bs = blk_bs(blk); - if (dinfo && !dinfo->enable_auto_del) { + if (!dinfo) { return; } if (bs->job) { block_job_cancel(bs->job); } - if (dinfo) { - dinfo->auto_del = 1; - } + dinfo->auto_del = 1; } -void blockdev_auto_del(BlockDriverState *bs) +void blockdev_auto_del(BlockBackend *blk) { - DriveInfo *dinfo = drive_get_by_blockdev(bs); + DriveInfo *dinfo = blk_legacy_dinfo(blk); if (dinfo && dinfo->auto_del) { - drive_del(dinfo); + blk_unref(blk); } } @@ -193,15 +193,15 @@ QemuOpts *drive_add(BlockInterfaceType type, int index, const char *file, DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit) { + BlockBackend *blk; DriveInfo *dinfo; - /* seek interface, bus and unit */ - - QTAILQ_FOREACH(dinfo, &drives, next) { - if (dinfo->type == type && - dinfo->bus == bus && - dinfo->unit == unit) + for (blk = blk_next(NULL); blk; blk = blk_next(blk)) { + dinfo = blk_legacy_dinfo(blk); + if (dinfo && dinfo->type == type + && dinfo->bus == bus && dinfo->unit == unit) { return dinfo; + } } return NULL; @@ -209,17 +209,19 @@ DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit) bool drive_check_orphaned(void) { + BlockBackend *blk; DriveInfo *dinfo; bool rs = false; - QTAILQ_FOREACH(dinfo, &drives, next) { + for (blk = blk_next(NULL); blk; blk = blk_next(blk)) { + dinfo = blk_legacy_dinfo(blk); /* If dinfo->bdrv->dev is NULL, it has no device attached. */ /* Unless this is a default drive, this may be an oversight. */ - if (!dinfo->bdrv->dev && !dinfo->is_default && + if (!blk_get_attached_dev(blk) && !dinfo->is_default && dinfo->type != IF_NONE) { fprintf(stderr, "Warning: Orphaned drive without device: " "id=%s,file=%s,if=%s,bus=%d,unit=%d\n", - dinfo->id, dinfo->bdrv->filename, if_name[dinfo->type], + blk_name(blk), blk_bs(blk)->filename, if_name[dinfo->type], dinfo->bus, dinfo->unit); rs = true; } @@ -238,13 +240,15 @@ DriveInfo *drive_get_by_index(BlockInterfaceType type, int index) int drive_get_max_bus(BlockInterfaceType type) { int max_bus; + BlockBackend *blk; DriveInfo *dinfo; max_bus = -1; - QTAILQ_FOREACH(dinfo, &drives, next) { - if(dinfo->type == type && - dinfo->bus > max_bus) + for (blk = blk_next(NULL); blk; blk = blk_next(blk)) { + dinfo = blk_legacy_dinfo(blk); + if (dinfo && dinfo->type == type && dinfo->bus > max_bus) { max_bus = dinfo->bus; + } } return max_bus; } @@ -259,40 +263,11 @@ DriveInfo *drive_get_next(BlockInterfaceType type) return drive_get(type, 0, next_block_unit[type]++); } -DriveInfo *drive_get_by_blockdev(BlockDriverState *bs) -{ - DriveInfo *dinfo; - - QTAILQ_FOREACH(dinfo, &drives, next) { - if (dinfo->bdrv == bs) { - return dinfo; - } - } - return NULL; -} - static void bdrv_format_print(void *opaque, const char *name) { error_printf(" %s", name); } -void drive_del(DriveInfo *dinfo) -{ - bdrv_unref(dinfo->bdrv); -} - -void drive_info_del(DriveInfo *dinfo) -{ - if (!dinfo) { - return; - } - qemu_opts_del(dinfo->opts); - g_free(dinfo->id); - QTAILQ_REMOVE(&drives, dinfo, next); - g_free(dinfo->serial); - g_free(dinfo); -} - typedef struct { QEMUBH *bh; BlockDriverState *bs; @@ -360,15 +335,15 @@ static bool check_throttle_config(ThrottleConfig *cfg, Error **errp) typedef enum { MEDIA_DISK, MEDIA_CDROM } DriveMediaType; /* Takes the ownership of bs_opts */ -static DriveInfo *blockdev_init(const char *file, QDict *bs_opts, - Error **errp) +static BlockBackend *blockdev_init(const char *file, QDict *bs_opts, + Error **errp) { const char *buf; int ro = 0; int bdrv_flags = 0; int on_read_error, on_write_error; + BlockBackend *blk; BlockDriverState *bs; - DriveInfo *dinfo; ThrottleConfig cfg; int snapshot = 0; bool copy_on_read; @@ -523,10 +498,11 @@ static DriveInfo *blockdev_init(const char *file, QDict *bs_opts, } /* init */ - bs = bdrv_new(qemu_opts_id(opts), errp); - if (!bs) { + blk = blk_new_with_bs(qemu_opts_id(opts), errp); + if (!blk) { goto early_err; } + bs = blk_bs(blk); bs->open_flags = snapshot ? BDRV_O_SNAPSHOT : 0; bs->read_only = ro; bs->detect_zeroes = detect_zeroes; @@ -539,18 +515,13 @@ static DriveInfo *blockdev_init(const char *file, QDict *bs_opts, bdrv_set_io_limits(bs, &cfg); } - dinfo = g_malloc0(sizeof(*dinfo)); - dinfo->id = g_strdup(qemu_opts_id(opts)); - dinfo->bdrv = bs; - QTAILQ_INSERT_TAIL(&drives, dinfo, next); - if (!file || !*file) { if (has_driver_specific_opts) { file = NULL; } else { QDECREF(bs_opts); qemu_opts_del(opts); - return dinfo; + return blk; } } if (snapshot) { @@ -571,11 +542,11 @@ static DriveInfo *blockdev_init(const char *file, QDict *bs_opts, QINCREF(bs_opts); ret = bdrv_open(&bs, file, NULL, bs_opts, bdrv_flags, drv, &error); - assert(bs == dinfo->bdrv); + assert(bs == blk_bs(blk)); if (ret < 0) { error_setg(errp, "could not open disk image %s: %s", - file ?: dinfo->id, error_get_pretty(error)); + file ?: blk_name(blk), error_get_pretty(error)); error_free(error); goto err; } @@ -587,10 +558,10 @@ static DriveInfo *blockdev_init(const char *file, QDict *bs_opts, QDECREF(bs_opts); qemu_opts_del(opts); - return dinfo; + return blk; err: - bdrv_unref(bs); + blk_unref(blk); early_err: qemu_opts_del(opts); err_no_opts: @@ -703,6 +674,7 @@ QemuOptsList qemu_legacy_drive_opts = { DriveInfo *drive_new(QemuOpts *all_opts, BlockInterfaceType block_default_type) { const char *value; + BlockBackend *blk; DriveInfo *dinfo = NULL; QDict *bs_opts; QemuOpts *legacy_opts; @@ -1000,9 +972,9 @@ DriveInfo *drive_new(QemuOpts *all_opts, BlockInterfaceType block_default_type) } /* Actual block device init: Functionality shared with blockdev-add */ - dinfo = blockdev_init(filename, bs_opts, &local_err); + blk = blockdev_init(filename, bs_opts, &local_err); bs_opts = NULL; - if (dinfo == NULL) { + if (!blk) { if (local_err) { error_report("%s", error_get_pretty(local_err)); error_free(local_err); @@ -1012,8 +984,8 @@ DriveInfo *drive_new(QemuOpts *all_opts, BlockInterfaceType block_default_type) assert(!local_err); } - /* Set legacy DriveInfo fields */ - dinfo->enable_auto_del = true; + /* Create legacy DriveInfo */ + dinfo = g_malloc0(sizeof(*dinfo)); dinfo->opts = all_opts; dinfo->cyls = cyls; @@ -1025,9 +997,10 @@ DriveInfo *drive_new(QemuOpts *all_opts, BlockInterfaceType block_default_type) dinfo->bus = bus_id; dinfo->unit = unit_id; dinfo->devaddr = devaddr; - dinfo->serial = g_strdup(serial); + blk_set_legacy_dinfo(blk, dinfo); + switch(type) { case IF_IDE: case IF_SCSI: @@ -1620,19 +1593,21 @@ exit: } -static void eject_device(BlockDriverState *bs, int force, Error **errp) +static void eject_device(BlockBackend *blk, int force, Error **errp) { + BlockDriverState *bs = blk_bs(blk); + if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_EJECT, errp)) { return; } - if (!bdrv_dev_has_removable_media(bs)) { + if (!blk_dev_has_removable_media(blk)) { error_setg(errp, "Device '%s' is not removable", bdrv_get_device_name(bs)); return; } - if (bdrv_dev_is_medium_locked(bs) && !bdrv_dev_is_tray_open(bs)) { - bdrv_dev_eject_request(bs, force); + if (blk_dev_is_medium_locked(blk) && !blk_dev_is_tray_open(blk)) { + blk_dev_eject_request(blk, force); if (!force) { error_setg(errp, "Device '%s' is locked", bdrv_get_device_name(bs)); @@ -1645,15 +1620,15 @@ static void eject_device(BlockDriverState *bs, int force, Error **errp) void qmp_eject(const char *device, bool has_force, bool force, Error **errp) { - BlockDriverState *bs; + BlockBackend *blk; - bs = bdrv_find(device); - if (!bs) { + blk = blk_by_name(device); + if (!blk) { error_set(errp, QERR_DEVICE_NOT_FOUND, device); return; } - eject_device(bs, force, errp); + eject_device(blk, force, errp); } void qmp_block_passwd(bool has_device, const char *device, @@ -1712,16 +1687,18 @@ static void qmp_bdrv_open_encrypted(BlockDriverState *bs, const char *filename, void qmp_change_blockdev(const char *device, const char *filename, const char *format, Error **errp) { + BlockBackend *blk; BlockDriverState *bs; BlockDriver *drv = NULL; int bdrv_flags; Error *err = NULL; - bs = bdrv_find(device); - if (!bs) { + blk = blk_by_name(device); + if (!blk) { error_set(errp, QERR_DEVICE_NOT_FOUND, device); return; } + bs = blk_bs(blk); if (format) { drv = bdrv_find_whitelisted_format(format, bs->read_only); @@ -1731,7 +1708,7 @@ void qmp_change_blockdev(const char *device, const char *filename, } } - eject_device(bs, 0, &err); + eject_device(blk, 0, &err); if (err) { error_propagate(errp, err); return; @@ -1829,19 +1806,19 @@ void qmp_block_set_io_throttle(const char *device, int64_t bps, int64_t bps_rd, int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data) { const char *id = qdict_get_str(qdict, "id"); + BlockBackend *blk; BlockDriverState *bs; - DriveInfo *dinfo; AioContext *aio_context; Error *local_err = NULL; - bs = bdrv_find(id); - if (!bs) { + blk = blk_by_name(id); + if (!blk) { error_report("Device '%s' not found", id); return -1; } + bs = blk_bs(blk); - dinfo = drive_get_by_blockdev(bs); - if (dinfo && !dinfo->enable_auto_del) { + if (!blk_legacy_dinfo(blk)) { error_report("Deleting device added with blockdev-add" " is not supported"); return -1; @@ -1867,14 +1844,13 @@ int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data) * can be removed. If this is a drive with no device backing * then we can just get rid of the block driver state right here. */ - if (bdrv_get_attached_dev(bs)) { - bdrv_make_anon(bs); - + if (blk_get_attached_dev(blk)) { + blk_hide_on_behalf_of_do_drive_del(blk); /* Further I/O must not pause the guest */ bdrv_set_on_error(bs, BLOCKDEV_ON_ERROR_REPORT, BLOCKDEV_ON_ERROR_REPORT); } else { - drive_del(dinfo); + blk_unref(blk); } aio_context_release(aio_context); @@ -2566,7 +2542,7 @@ void qmp_change_backing_file(const char *device, void qmp_blockdev_add(BlockdevOptions *options, Error **errp) { QmpOutputVisitor *ov = qmp_output_visitor_new(); - DriveInfo *dinfo; + BlockBackend *blk; QObject *obj; QDict *qdict; Error *local_err = NULL; @@ -2604,14 +2580,14 @@ void qmp_blockdev_add(BlockdevOptions *options, Error **errp) qdict_flatten(qdict); - dinfo = blockdev_init(NULL, qdict, &local_err); + blk = blockdev_init(NULL, qdict, &local_err); if (local_err) { error_propagate(errp, local_err); goto fail; } - if (bdrv_key_required(dinfo->bdrv)) { - drive_del(dinfo); + if (bdrv_key_required(blk_bs(blk))) { + blk_unref(blk); error_setg(errp, "blockdev-add doesn't support encrypted devices"); goto fail; } @@ -2620,26 +2596,21 @@ fail: qmp_output_visitor_cleanup(ov); } -static void do_qmp_query_block_jobs_one(void *opaque, BlockDriverState *bs) +BlockJobInfoList *qmp_query_block_jobs(Error **errp) { - BlockJobInfoList **prev = opaque; - BlockJob *job = bs->job; + BlockJobInfoList *head = NULL, **p_next = &head; + BlockDriverState *bs; - if (job) { - BlockJobInfoList *elem = g_new0(BlockJobInfoList, 1); - elem->value = block_job_query(bs->job); - (*prev)->next = elem; - *prev = elem; + for (bs = bdrv_next(NULL); bs; bs = bdrv_next(bs)) { + if (bs->job) { + BlockJobInfoList *elem = g_new0(BlockJobInfoList, 1); + elem->value = block_job_query(bs->job); + *p_next = elem; + p_next = &elem->next; + } } -} -BlockJobInfoList *qmp_query_block_jobs(Error **errp) -{ - /* Dummy is a fake list element for holding the head pointer */ - BlockJobInfoList dummy = {}; - BlockJobInfoList *prev = &dummy; - bdrv_iterate(do_qmp_query_block_jobs_one, &prev); - return dummy.next; + return head; } QemuOptsList qemu_common_drive_opts = { diff --git a/blockjob.c b/blockjob.c index 0689fdd2b5..ff0908a653 100644 --- a/blockjob.c +++ b/blockjob.c @@ -36,7 +36,7 @@ #include "qapi-event.h" void *block_job_create(const BlockJobDriver *driver, BlockDriverState *bs, - int64_t speed, BlockDriverCompletionFunc *cb, + int64_t speed, BlockCompletionFunc *cb, void *opaque, Error **errp) { BlockJob *job; @@ -107,7 +107,8 @@ void block_job_set_speed(BlockJob *job, int64_t speed, Error **errp) void block_job_complete(BlockJob *job, Error **errp) { if (job->paused || job->cancelled || !job->driver->complete) { - error_set(errp, QERR_BLOCK_JOB_NOT_READY, job->bs->device_name); + error_set(errp, QERR_BLOCK_JOB_NOT_READY, + bdrv_get_device_name(job->bs)); return; } @@ -154,7 +155,7 @@ void block_job_iostatus_reset(BlockJob *job) struct BlockCancelData { BlockJob *job; - BlockDriverCompletionFunc *cb; + BlockCompletionFunc *cb; void *opaque; bool cancelled; int ret; diff --git a/device-hotplug.c b/device-hotplug.c index e6a1ffb9fa..9e38cc4808 100644 --- a/device-hotplug.c +++ b/device-hotplug.c @@ -24,6 +24,7 @@ #include "hw/hw.h" #include "hw/boards.h" +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "qemu/config-file.h" #include "sysemu/sysemu.h" @@ -76,6 +77,6 @@ void drive_hot_add(Monitor *mon, const QDict *qdict) err: if (dinfo) { - drive_del(dinfo); + blk_unref(blk_by_legacy_dinfo(dinfo)); } } diff --git a/dma-helpers.c b/dma-helpers.c index 7f86e18e72..6918572e18 100644 --- a/dma-helpers.c +++ b/dma-helpers.c @@ -7,6 +7,7 @@ * (GNU GPL), version 2 or later. */ +#include "sysemu/block-backend.h" #include "sysemu/dma.h" #include "trace.h" #include "qemu/range.h" @@ -67,9 +68,9 @@ void qemu_sglist_destroy(QEMUSGList *qsg) } typedef struct { - BlockDriverAIOCB common; - BlockDriverState *bs; - BlockDriverAIOCB *acb; + BlockAIOCB common; + BlockBackend *blk; + BlockAIOCB *acb; QEMUSGList *sg; uint64_t sector_num; DMADirection dir; @@ -80,7 +81,7 @@ typedef struct { DMAIOFunc *io_func; } DMAAIOCB; -static void dma_bdrv_cb(void *opaque, int ret); +static void dma_blk_cb(void *opaque, int ret); static void reschedule_dma(void *opaque) { @@ -88,7 +89,7 @@ static void reschedule_dma(void *opaque) qemu_bh_delete(dbs->bh); dbs->bh = NULL; - dma_bdrv_cb(dbs, 0); + dma_blk_cb(dbs, 0); } static void continue_after_map_failure(void *opaque) @@ -99,7 +100,7 @@ static void continue_after_map_failure(void *opaque) qemu_bh_schedule(dbs->bh); } -static void dma_bdrv_unmap(DMAAIOCB *dbs) +static void dma_blk_unmap(DMAAIOCB *dbs) { int i; @@ -115,7 +116,7 @@ static void dma_complete(DMAAIOCB *dbs, int ret) { trace_dma_complete(dbs, ret, dbs->common.cb); - dma_bdrv_unmap(dbs); + dma_blk_unmap(dbs); if (dbs->common.cb) { dbs->common.cb(dbs->common.opaque, ret); } @@ -127,13 +128,13 @@ static void dma_complete(DMAAIOCB *dbs, int ret) qemu_aio_unref(dbs); } -static void dma_bdrv_cb(void *opaque, int ret) +static void dma_blk_cb(void *opaque, int ret) { DMAAIOCB *dbs = (DMAAIOCB *)opaque; dma_addr_t cur_addr, cur_len; void *mem; - trace_dma_bdrv_cb(dbs, ret); + trace_dma_blk_cb(dbs, ret); dbs->acb = NULL; dbs->sector_num += dbs->iov.size / 512; @@ -142,7 +143,7 @@ static void dma_bdrv_cb(void *opaque, int ret) dma_complete(dbs, ret); return; } - dma_bdrv_unmap(dbs); + dma_blk_unmap(dbs); while (dbs->sg_cur_index < dbs->sg->nsg) { cur_addr = dbs->sg->sg[dbs->sg_cur_index].base + dbs->sg_cur_byte; @@ -168,19 +169,19 @@ static void dma_bdrv_cb(void *opaque, int ret) qemu_iovec_discard_back(&dbs->iov, dbs->iov.size & ~BDRV_SECTOR_MASK); } - dbs->acb = dbs->io_func(dbs->bs, dbs->sector_num, &dbs->iov, - dbs->iov.size / 512, dma_bdrv_cb, dbs); + dbs->acb = dbs->io_func(dbs->blk, dbs->sector_num, &dbs->iov, + dbs->iov.size / 512, dma_blk_cb, dbs); assert(dbs->acb); } -static void dma_aio_cancel(BlockDriverAIOCB *acb) +static void dma_aio_cancel(BlockAIOCB *acb) { DMAAIOCB *dbs = container_of(acb, DMAAIOCB, common); trace_dma_aio_cancel(dbs); if (dbs->acb) { - bdrv_aio_cancel_async(dbs->acb); + blk_aio_cancel_async(dbs->acb); } } @@ -190,17 +191,17 @@ static const AIOCBInfo dma_aiocb_info = { .cancel_async = dma_aio_cancel, }; -BlockDriverAIOCB *dma_bdrv_io( - BlockDriverState *bs, QEMUSGList *sg, uint64_t sector_num, - DMAIOFunc *io_func, BlockDriverCompletionFunc *cb, +BlockAIOCB *dma_blk_io( + BlockBackend *blk, QEMUSGList *sg, uint64_t sector_num, + DMAIOFunc *io_func, BlockCompletionFunc *cb, void *opaque, DMADirection dir) { - DMAAIOCB *dbs = qemu_aio_get(&dma_aiocb_info, bs, cb, opaque); + DMAAIOCB *dbs = blk_aio_get(&dma_aiocb_info, blk, cb, opaque); - trace_dma_bdrv_io(dbs, bs, sector_num, (dir == DMA_DIRECTION_TO_DEVICE)); + trace_dma_blk_io(dbs, blk, sector_num, (dir == DMA_DIRECTION_TO_DEVICE)); dbs->acb = NULL; - dbs->bs = bs; + dbs->blk = blk; dbs->sg = sg; dbs->sector_num = sector_num; dbs->sg_cur_index = 0; @@ -209,25 +210,25 @@ BlockDriverAIOCB *dma_bdrv_io( dbs->io_func = io_func; dbs->bh = NULL; qemu_iovec_init(&dbs->iov, sg->nsg); - dma_bdrv_cb(dbs, 0); + dma_blk_cb(dbs, 0); return &dbs->common; } -BlockDriverAIOCB *dma_bdrv_read(BlockDriverState *bs, - QEMUSGList *sg, uint64_t sector, - void (*cb)(void *opaque, int ret), void *opaque) +BlockAIOCB *dma_blk_read(BlockBackend *blk, + QEMUSGList *sg, uint64_t sector, + void (*cb)(void *opaque, int ret), void *opaque) { - return dma_bdrv_io(bs, sg, sector, bdrv_aio_readv, cb, opaque, - DMA_DIRECTION_FROM_DEVICE); + return dma_blk_io(blk, sg, sector, blk_aio_readv, cb, opaque, + DMA_DIRECTION_FROM_DEVICE); } -BlockDriverAIOCB *dma_bdrv_write(BlockDriverState *bs, - QEMUSGList *sg, uint64_t sector, - void (*cb)(void *opaque, int ret), void *opaque) +BlockAIOCB *dma_blk_write(BlockBackend *blk, + QEMUSGList *sg, uint64_t sector, + void (*cb)(void *opaque, int ret), void *opaque) { - return dma_bdrv_io(bs, sg, sector, bdrv_aio_writev, cb, opaque, - DMA_DIRECTION_TO_DEVICE); + return dma_blk_io(blk, sg, sector, blk_aio_writev, cb, opaque, + DMA_DIRECTION_TO_DEVICE); } @@ -262,8 +263,8 @@ uint64_t dma_buf_write(uint8_t *ptr, int32_t len, QEMUSGList *sg) return dma_buf_rw(ptr, len, sg, DMA_DIRECTION_TO_DEVICE); } -void dma_acct_start(BlockDriverState *bs, BlockAcctCookie *cookie, +void dma_acct_start(BlockBackend *blk, BlockAcctCookie *cookie, QEMUSGList *sg, enum BlockAcctType type) { - block_acct_start(bdrv_get_stats(bs), cookie, sg->size, type); + block_acct_start(blk_get_stats(blk), cookie, sg->size, type); } diff --git a/docs/blkdebug.txt b/docs/blkdebug.txt index 5dde07234f..b67a36d5c6 100644 --- a/docs/blkdebug.txt +++ b/docs/blkdebug.txt @@ -70,10 +70,10 @@ Rules support the following attributes: once - (optional, default "off") only execute this action on the first matching request - immediately - (optional, default "off") return a NULL BlockDriverAIOCB - pointer and fail without an errno instead. This exercises the - code path where BlockDriverAIOCB fails and the caller's - BlockDriverCompletionFunc is not invoked. + immediately - (optional, default "off") return a NULL BlockAIOCB + pointer and fail without an errno instead. This + exercises the code path where BlockAIOCB fails and the + caller's BlockCompletionFunc is not invoked. Events ------ diff --git a/hw/arm/collie.c b/hw/arm/collie.c index ed7851fe06..6c9b82fc54 100644 --- a/hw/arm/collie.c +++ b/hw/arm/collie.c @@ -15,7 +15,7 @@ #include "strongarm.h" #include "hw/arm/arm.h" #include "hw/block/flash.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "exec/address-spaces.h" static struct arm_boot_info collie_binfo = { @@ -41,13 +41,13 @@ static void collie_init(MachineState *machine) dinfo = drive_get(IF_PFLASH, 0, 0); pflash_cfi01_register(SA_CS0, NULL, "collie.fl1", 0x02000000, - dinfo ? dinfo->bdrv : NULL, (64 * 1024), - 512, 4, 0x00, 0x00, 0x00, 0x00, 0); + dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, + (64 * 1024), 512, 4, 0x00, 0x00, 0x00, 0x00, 0); dinfo = drive_get(IF_PFLASH, 0, 1); pflash_cfi01_register(SA_CS1, NULL, "collie.fl2", 0x02000000, - dinfo ? dinfo->bdrv : NULL, (64 * 1024), - 512, 4, 0x00, 0x00, 0x00, 0x00, 0); + dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, + (64 * 1024), 512, 4, 0x00, 0x00, 0x00, 0x00, 0); sysbus_create_simple("scoop", 0x40800000, NULL); diff --git a/hw/arm/gumstix.c b/hw/arm/gumstix.c index 3f8465ebc0..8103278b15 100644 --- a/hw/arm/gumstix.c +++ b/hw/arm/gumstix.c @@ -40,7 +40,7 @@ #include "hw/block/flash.h" #include "hw/devices.h" #include "hw/boards.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "exec/address-spaces.h" #include "sysemu/qtest.h" @@ -71,7 +71,7 @@ static void connex_init(MachineState *machine) be = 0; #endif if (!pflash_cfi01_register(0x00000000, NULL, "connext.rom", connex_rom, - dinfo ? dinfo->bdrv : NULL, + dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, sector_len, connex_rom / sector_len, 2, 0, 0, 0, 0, be)) { fprintf(stderr, "qemu: Error registering flash memory.\n"); @@ -109,7 +109,7 @@ static void verdex_init(MachineState *machine) be = 0; #endif if (!pflash_cfi01_register(0x00000000, NULL, "verdex.rom", verdex_rom, - dinfo ? dinfo->bdrv : NULL, + dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, sector_len, verdex_rom / sector_len, 2, 0, 0, 0, 0, be)) { fprintf(stderr, "qemu: Error registering flash memory.\n"); diff --git a/hw/arm/highbank.c b/hw/arm/highbank.c index fa61e5fa13..30f744a1bd 100644 --- a/hw/arm/highbank.c +++ b/hw/arm/highbank.c @@ -24,7 +24,7 @@ #include "net/net.h" #include "sysemu/sysemu.h" #include "hw/boards.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "exec/address-spaces.h" #include "qemu/error-report.h" diff --git a/hw/arm/mainstone.c b/hw/arm/mainstone.c index 2f1d61809d..0da02a67ec 100644 --- a/hw/arm/mainstone.c +++ b/hw/arm/mainstone.c @@ -18,7 +18,7 @@ #include "hw/devices.h" #include "hw/boards.h" #include "hw/block/flash.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "hw/sysbus.h" #include "exec/address-spaces.h" #include "sysemu/qtest.h" @@ -149,9 +149,9 @@ static void mainstone_common_init(MemoryRegion *address_space_mem, if (!pflash_cfi01_register(mainstone_flash_base[i], NULL, i ? "mainstone.flash1" : "mainstone.flash0", MAINSTONE_FLASH, - dinfo->bdrv, sector_len, - MAINSTONE_FLASH / sector_len, 4, 0, 0, 0, 0, - be)) { + blk_by_legacy_dinfo(dinfo), + sector_len, MAINSTONE_FLASH / sector_len, + 4, 0, 0, 0, 0, be)) { fprintf(stderr, "qemu: Error registering flash memory.\n"); exit(1); } diff --git a/hw/arm/musicpal.c b/hw/arm/musicpal.c index c541455452..3712de6cba 100644 --- a/hw/arm/musicpal.c +++ b/hw/arm/musicpal.c @@ -18,11 +18,10 @@ #include "hw/char/serial.h" #include "qemu/timer.h" #include "hw/ptimer.h" -#include "block/block.h" #include "hw/block/flash.h" #include "ui/console.h" #include "hw/i2c/i2c.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "exec/address-spaces.h" #include "ui/pixel_ops.h" @@ -1632,7 +1631,9 @@ static void musicpal_init(MachineState *machine) /* Register flash */ dinfo = drive_get(IF_PFLASH, 0, 0); if (dinfo) { - flash_size = bdrv_getlength(dinfo->bdrv); + BlockBackend *blk = blk_by_legacy_dinfo(dinfo); + + flash_size = blk_getlength(blk); if (flash_size != 8*1024*1024 && flash_size != 16*1024*1024 && flash_size != 32*1024*1024) { fprintf(stderr, "Invalid flash image size\n"); @@ -1647,16 +1648,14 @@ static void musicpal_init(MachineState *machine) #ifdef TARGET_WORDS_BIGENDIAN pflash_cfi02_register(0x100000000ULL-MP_FLASH_SIZE_MAX, NULL, "musicpal.flash", flash_size, - dinfo->bdrv, 0x10000, - (flash_size + 0xffff) >> 16, + blk, 0x10000, (flash_size + 0xffff) >> 16, MP_FLASH_SIZE_MAX / flash_size, 2, 0x00BF, 0x236D, 0x0000, 0x0000, 0x5555, 0x2AAA, 1); #else pflash_cfi02_register(0x100000000ULL-MP_FLASH_SIZE_MAX, NULL, "musicpal.flash", flash_size, - dinfo->bdrv, 0x10000, - (flash_size + 0xffff) >> 16, + blk, 0x10000, (flash_size + 0xffff) >> 16, MP_FLASH_SIZE_MAX / flash_size, 2, 0x00BF, 0x236D, 0x0000, 0x0000, 0x5555, 0x2AAA, 0); diff --git a/hw/arm/nseries.c b/hw/arm/nseries.c index 4f092d6446..c7ebaa6abc 100644 --- a/hw/arm/nseries.c +++ b/hw/arm/nseries.c @@ -31,7 +31,7 @@ #include "hw/hw.h" #include "hw/bt.h" #include "hw/loader.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "hw/sysbus.h" #include "exec/address-spaces.h" @@ -172,8 +172,9 @@ static void n8x0_nand_setup(struct n800_s *s) qdev_prop_set_uint16(s->nand, "version_id", 0); qdev_prop_set_int32(s->nand, "shift", 1); dinfo = drive_get(IF_MTD, 0, 0); - if (dinfo && dinfo->bdrv) { - qdev_prop_set_drive_nofail(s->nand, "drive", dinfo->bdrv); + if (dinfo) { + qdev_prop_set_drive_nofail(s->nand, "drive", + blk_by_legacy_dinfo(dinfo)); } qdev_init_nofail(s->nand); sysbus_connect_irq(SYS_BUS_DEVICE(s->nand), 0, diff --git a/hw/arm/omap1.c b/hw/arm/omap1.c index 306cf17b32..abb183c2d5 100644 --- a/hw/arm/omap1.c +++ b/hw/arm/omap1.c @@ -21,6 +21,7 @@ #include "hw/arm/omap.h" #include "sysemu/sysemu.h" #include "hw/arm/soc_dma.h" +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "qemu/range.h" #include "hw/sysbus.h" @@ -3978,7 +3979,8 @@ struct omap_mpu_state_s *omap310_mpu_init(MemoryRegion *system_memory, fprintf(stderr, "qemu: missing SecureDigital device\n"); exit(1); } - s->mmc = omap_mmc_init(0xfffb7800, system_memory, dinfo->bdrv, + s->mmc = omap_mmc_init(0xfffb7800, system_memory, + blk_by_legacy_dinfo(dinfo), qdev_get_gpio_in(s->ih[1], OMAP_INT_OQN), &s->drq[OMAP_DMA_MMC_TX], omap_findclk(s, "mmc_ck")); diff --git a/hw/arm/omap2.c b/hw/arm/omap2.c index d6e19ae6b2..b083ebebc8 100644 --- a/hw/arm/omap2.c +++ b/hw/arm/omap2.c @@ -18,6 +18,7 @@ * with this program; if not, see <http://www.gnu.org/licenses/>. */ +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "hw/hw.h" #include "hw/arm/arm.h" @@ -2461,7 +2462,8 @@ struct omap_mpu_state_s *omap2420_mpu_init(MemoryRegion *sysmem, fprintf(stderr, "qemu: missing SecureDigital device\n"); exit(1); } - s->mmc = omap2_mmc_init(omap_l4tao(s->l4, 9), dinfo->bdrv, + s->mmc = omap2_mmc_init(omap_l4tao(s->l4, 9), + blk_by_legacy_dinfo(dinfo), qdev_get_gpio_in(s->ih[0], OMAP_INT_24XX_MMC_IRQ), &s->drq[OMAP24XX_DMA_MMC1_TX], omap_findclk(s, "mmc_fclk"), omap_findclk(s, "mmc_iclk")); diff --git a/hw/arm/omap_sx1.c b/hw/arm/omap_sx1.c index 320b39c51b..671e02c4ed 100644 --- a/hw/arm/omap_sx1.c +++ b/hw/arm/omap_sx1.c @@ -31,7 +31,7 @@ #include "hw/boards.h" #include "hw/arm/arm.h" #include "hw/block/flash.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "sysemu/qtest.h" #include "exec/address-spaces.h" @@ -154,8 +154,8 @@ static void sx1_init(MachineState *machine, const int version) if ((dinfo = drive_get(IF_PFLASH, 0, fl_idx)) != NULL) { if (!pflash_cfi01_register(OMAP_CS0_BASE, NULL, "omap_sx1.flash0-1", flash_size, - dinfo->bdrv, sector_size, - flash_size / sector_size, + blk_by_legacy_dinfo(dinfo), + sector_size, flash_size / sector_size, 4, 0, 0, 0, 0, be)) { fprintf(stderr, "qemu: Error registering flash memory %d.\n", fl_idx); @@ -178,8 +178,8 @@ static void sx1_init(MachineState *machine, const int version) if (!pflash_cfi01_register(OMAP_CS1_BASE, NULL, "omap_sx1.flash1-1", flash1_size, - dinfo->bdrv, sector_size, - flash1_size / sector_size, + blk_by_legacy_dinfo(dinfo), + sector_size, flash1_size / sector_size, 4, 0, 0, 0, 0, be)) { fprintf(stderr, "qemu: Error registering flash memory %d.\n", fl_idx); diff --git a/hw/arm/pxa2xx.c b/hw/arm/pxa2xx.c index 7d306fb1b7..693dfec9f2 100644 --- a/hw/arm/pxa2xx.c +++ b/hw/arm/pxa2xx.c @@ -14,6 +14,7 @@ #include "hw/i2c/i2c.h" #include "hw/ssi.h" #include "sysemu/char.h" +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" static struct { @@ -2085,7 +2086,8 @@ PXA2xxState *pxa270_init(MemoryRegion *address_space, fprintf(stderr, "qemu: missing SecureDigital device\n"); exit(1); } - s->mmc = pxa2xx_mmci_init(address_space, 0x41100000, dinfo->bdrv, + s->mmc = pxa2xx_mmci_init(address_space, 0x41100000, + blk_by_legacy_dinfo(dinfo), qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC), qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI), qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI)); @@ -2217,7 +2219,8 @@ PXA2xxState *pxa255_init(MemoryRegion *address_space, unsigned int sdram_size) fprintf(stderr, "qemu: missing SecureDigital device\n"); exit(1); } - s->mmc = pxa2xx_mmci_init(address_space, 0x41100000, dinfo->bdrv, + s->mmc = pxa2xx_mmci_init(address_space, 0x41100000, + blk_by_legacy_dinfo(dinfo), qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC), qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI), qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI)); diff --git a/hw/arm/realview.c b/hw/arm/realview.c index 8bd3ff60e4..af65aa4082 100644 --- a/hw/arm/realview.c +++ b/hw/arm/realview.c @@ -16,7 +16,7 @@ #include "sysemu/sysemu.h" #include "hw/boards.h" #include "hw/i2c/i2c.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "exec/address-spaces.h" #include "qemu/error-report.h" diff --git a/hw/arm/spitz.c b/hw/arm/spitz.c index 9260896424..a16831c2e5 100644 --- a/hw/arm/spitz.c +++ b/hw/arm/spitz.c @@ -22,10 +22,9 @@ #include "hw/devices.h" #include "hw/arm/sharpsl.h" #include "ui/console.h" -#include "block/block.h" #include "audio/audio.h" #include "hw/boards.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "hw/sysbus.h" #include "exec/address-spaces.h" @@ -170,7 +169,8 @@ static int sl_nand_init(SysBusDevice *dev) s->ctl = 0; nand = drive_get(IF_MTD, 0, 0); - s->nand = nand_init(nand ? nand->bdrv : NULL, s->manf_id, s->chip_id); + s->nand = nand_init(nand ? blk_by_legacy_dinfo(nand) : NULL, + s->manf_id, s->chip_id); memory_region_init_io(&s->iomem, OBJECT(s), &sl_ops, s, "sl", 0x40); sysbus_init_mmio(dev, &s->iomem); diff --git a/hw/arm/tosa.c b/hw/arm/tosa.c index 6c574bc418..73572ebe01 100644 --- a/hw/arm/tosa.c +++ b/hw/arm/tosa.c @@ -17,11 +17,10 @@ #include "hw/devices.h" #include "hw/arm/sharpsl.h" #include "hw/pcmcia.h" -#include "block/block.h" #include "hw/boards.h" #include "hw/i2c/i2c.h" #include "hw/ssi.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "hw/sysbus.h" #include "exec/address-spaces.h" diff --git a/hw/arm/versatilepb.c b/hw/arm/versatilepb.c index 7696be182d..e6ef0a2e7e 100644 --- a/hw/arm/versatilepb.c +++ b/hw/arm/versatilepb.c @@ -15,7 +15,7 @@ #include "hw/pci/pci.h" #include "hw/i2c/i2c.h" #include "hw/boards.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "exec/address-spaces.h" #include "hw/block/flash.h" @@ -338,7 +338,8 @@ static void versatile_init(MachineState *machine, int board_id) dinfo = drive_get(IF_PFLASH, 0, 0); if (!pflash_cfi01_register(VERSATILE_FLASH_ADDR, NULL, "versatile.flash", - VERSATILE_FLASH_SIZE, dinfo ? dinfo->bdrv : NULL, + VERSATILE_FLASH_SIZE, + dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, VERSATILE_FLASH_SECT_SIZE, VERSATILE_FLASH_SIZE / VERSATILE_FLASH_SECT_SIZE, 4, 0x0089, 0x0018, 0x0000, 0x0, 0)) { diff --git a/hw/arm/vexpress.c b/hw/arm/vexpress.c index aed218f01b..7cbd13f182 100644 --- a/hw/arm/vexpress.c +++ b/hw/arm/vexpress.c @@ -30,7 +30,7 @@ #include "hw/boards.h" #include "hw/loader.h" #include "exec/address-spaces.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "hw/block/flash.h" #include "sysemu/device_tree.h" #include "qemu/error-report.h" @@ -491,7 +491,8 @@ static pflash_t *ve_pflash_cfi01_register(hwaddr base, const char *name, { DeviceState *dev = qdev_create(NULL, "cfi.pflash01"); - if (di && qdev_prop_set_drive(dev, "drive", di->bdrv)) { + if (di && qdev_prop_set_drive(dev, "drive", + blk_by_legacy_dinfo(di))) { abort(); } diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 8c6b171414..8ea592e92d 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -33,6 +33,7 @@ #include "hw/arm/primecell.h" #include "hw/devices.h" #include "net/net.h" +#include "sysemu/block-backend.h" #include "sysemu/device_tree.h" #include "sysemu/sysemu.h" #include "sysemu/kvm.h" @@ -450,7 +451,8 @@ static void create_one_flash(const char *name, hwaddr flashbase, DeviceState *dev = qdev_create(NULL, "cfi.pflash01"); const uint64_t sectorlength = 256 * 1024; - if (dinfo && qdev_prop_set_drive(dev, "drive", dinfo->bdrv)) { + if (dinfo && qdev_prop_set_drive(dev, "drive", + blk_by_legacy_dinfo(dinfo))) { abort(); } diff --git a/hw/arm/xilinx_zynq.c b/hw/arm/xilinx_zynq.c index ad85c7af2e..b59039297a 100644 --- a/hw/arm/xilinx_zynq.c +++ b/hw/arm/xilinx_zynq.c @@ -22,7 +22,7 @@ #include "sysemu/sysemu.h" #include "hw/boards.h" #include "hw/block/flash.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "hw/loader.h" #include "hw/ssi.h" #include "qemu/error-report.h" @@ -164,7 +164,8 @@ static void zynq_init(MachineState *machine) /* AMD */ pflash_cfi02_register(0xe2000000, NULL, "zynq.pflash", FLASH_SIZE, - dinfo ? dinfo->bdrv : NULL, FLASH_SECTOR_SIZE, + dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, + FLASH_SECTOR_SIZE, FLASH_SIZE/FLASH_SECTOR_SIZE, 1, 1, 0x0066, 0x0022, 0x0000, 0x0000, 0x0555, 0x2aa, 0); diff --git a/hw/arm/z2.c b/hw/arm/z2.c index 36b3b504f4..17355479a1 100644 --- a/hw/arm/z2.c +++ b/hw/arm/z2.c @@ -20,7 +20,7 @@ #include "hw/boards.h" #include "sysemu/sysemu.h" #include "hw/block/flash.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "ui/console.h" #include "audio/audio.h" #include "exec/address-spaces.h" @@ -336,9 +336,9 @@ static void z2_init(MachineState *machine) if (!pflash_cfi01_register(Z2_FLASH_BASE, NULL, "z2.flash0", Z2_FLASH_SIZE, - dinfo ? dinfo->bdrv : NULL, sector_len, - Z2_FLASH_SIZE / sector_len, 4, 0, 0, 0, 0, - be)) { + dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, + sector_len, Z2_FLASH_SIZE / sector_len, + 4, 0, 0, 0, 0, be)) { fprintf(stderr, "qemu: Error registering flash memory.\n"); exit(1); } diff --git a/hw/block/block.c b/hw/block/block.c index b6a6dc6baa..a625773d44 100644 --- a/hw/block/block.c +++ b/hw/block/block.c @@ -8,6 +8,7 @@ */ #include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "hw/block/block.h" #include "qemu/error-report.h" @@ -17,8 +18,10 @@ void blkconf_serial(BlockConf *conf, char **serial) if (!*serial) { /* try to fall back to value set with legacy -drive serial=... */ - dinfo = drive_get_by_blockdev(conf->bs); - *serial = g_strdup(dinfo->serial); + dinfo = blk_legacy_dinfo(conf->blk); + if (dinfo) { + *serial = g_strdup(dinfo->serial); + } } } @@ -30,16 +33,18 @@ void blkconf_geometry(BlockConf *conf, int *ptrans, if (!conf->cyls && !conf->heads && !conf->secs) { /* try to fall back to value set with legacy -drive cyls=... */ - dinfo = drive_get_by_blockdev(conf->bs); - conf->cyls = dinfo->cyls; - conf->heads = dinfo->heads; - conf->secs = dinfo->secs; - if (ptrans) { - *ptrans = dinfo->trans; + dinfo = blk_legacy_dinfo(conf->blk); + if (dinfo) { + conf->cyls = dinfo->cyls; + conf->heads = dinfo->heads; + conf->secs = dinfo->secs; + if (ptrans) { + *ptrans = dinfo->trans; + } } } if (!conf->cyls && !conf->heads && !conf->secs) { - hd_geometry_guess(conf->bs, + hd_geometry_guess(conf->blk, &conf->cyls, &conf->heads, &conf->secs, ptrans); } else if (ptrans && *ptrans == BIOS_ATA_TRANSLATION_AUTO) { diff --git a/hw/block/dataplane/virtio-blk.c b/hw/block/dataplane/virtio-blk.c index 5458f9d25f..45b1164c3e 100644 --- a/hw/block/dataplane/virtio-blk.c +++ b/hw/block/dataplane/virtio-blk.c @@ -17,7 +17,7 @@ #include "qemu/thread.h" #include "qemu/error-report.h" #include "hw/virtio/dataplane/vring.h" -#include "block/block.h" +#include "sysemu/block-backend.h" #include "hw/virtio/virtio-blk.h" #include "virtio-blk.h" #include "block/aio.h" @@ -30,7 +30,7 @@ struct VirtIOBlockDataPlane { bool stopping; bool disabled; - VirtIOBlkConf *blk; + VirtIOBlkConf *conf; VirtIODevice *vdev; Vring vring; /* virtqueue vring */ @@ -94,7 +94,7 @@ static void handle_notify(EventNotifier *e) VirtIOBlock *vblk = VIRTIO_BLK(s->vdev); event_notifier_test_and_clear(&s->host_notifier); - bdrv_io_plug(s->blk->conf.bs); + blk_io_plug(s->conf->conf.blk); for (;;) { MultiReqBuffer mrb = { .num_writes = 0, @@ -120,7 +120,7 @@ static void handle_notify(EventNotifier *e) virtio_blk_handle_request(req, &mrb); } - virtio_submit_multiwrite(s->blk->conf.bs, &mrb); + virtio_submit_multiwrite(s->conf->conf.blk, &mrb); if (likely(ret == -EAGAIN)) { /* vring emptied */ /* Re-enable guest->host notifies and stop processing the vring. @@ -133,11 +133,11 @@ static void handle_notify(EventNotifier *e) break; } } - bdrv_io_unplug(s->blk->conf.bs); + blk_io_unplug(s->conf->conf.blk); } /* Context: QEMU global mutex held */ -void virtio_blk_data_plane_create(VirtIODevice *vdev, VirtIOBlkConf *blk, +void virtio_blk_data_plane_create(VirtIODevice *vdev, VirtIOBlkConf *conf, VirtIOBlockDataPlane **dataplane, Error **errp) { @@ -148,7 +148,7 @@ void virtio_blk_data_plane_create(VirtIODevice *vdev, VirtIOBlkConf *blk, *dataplane = NULL; - if (!blk->data_plane && !blk->iothread) { + if (!conf->data_plane && !conf->iothread) { return; } @@ -163,7 +163,8 @@ void virtio_blk_data_plane_create(VirtIODevice *vdev, VirtIOBlkConf *blk, /* If dataplane is (re-)enabled while the guest is running there could be * block jobs that can conflict. */ - if (bdrv_op_is_blocked(blk->conf.bs, BLOCK_OP_TYPE_DATAPLANE, &local_err)) { + if (blk_op_is_blocked(conf->conf.blk, BLOCK_OP_TYPE_DATAPLANE, + &local_err)) { error_setg(errp, "cannot start dataplane thread: %s", error_get_pretty(local_err)); error_free(local_err); @@ -172,10 +173,10 @@ void virtio_blk_data_plane_create(VirtIODevice *vdev, VirtIOBlkConf *blk, s = g_new0(VirtIOBlockDataPlane, 1); s->vdev = vdev; - s->blk = blk; + s->conf = conf; - if (blk->iothread) { - s->iothread = blk->iothread; + if (conf->iothread) { + s->iothread = conf->iothread; object_ref(OBJECT(s->iothread)); } else { /* Create per-device IOThread if none specified. This is for @@ -192,9 +193,9 @@ void virtio_blk_data_plane_create(VirtIODevice *vdev, VirtIOBlkConf *blk, s->bh = aio_bh_new(s->ctx, notify_guest_bh, s); error_setg(&s->blocker, "block device is in use by data plane"); - bdrv_op_block_all(blk->conf.bs, s->blocker); - bdrv_op_unblock(blk->conf.bs, BLOCK_OP_TYPE_RESIZE, s->blocker); - bdrv_op_unblock(blk->conf.bs, BLOCK_OP_TYPE_DRIVE_DEL, s->blocker); + blk_op_block_all(conf->conf.blk, s->blocker); + blk_op_unblock(conf->conf.blk, BLOCK_OP_TYPE_RESIZE, s->blocker); + blk_op_unblock(conf->conf.blk, BLOCK_OP_TYPE_DRIVE_DEL, s->blocker); *dataplane = s; } @@ -207,7 +208,7 @@ void virtio_blk_data_plane_destroy(VirtIOBlockDataPlane *s) } virtio_blk_data_plane_stop(s); - bdrv_op_unblock_all(s->blk->conf.bs, s->blocker); + blk_op_unblock_all(s->conf->conf.blk, s->blocker); error_free(s->blocker); object_unref(OBJECT(s->iothread)); qemu_bh_delete(s->bh); @@ -262,7 +263,7 @@ void virtio_blk_data_plane_start(VirtIOBlockDataPlane *s) s->started = true; trace_virtio_blk_data_plane_start(s); - bdrv_set_aio_context(s->blk->conf.bs, s->ctx); + blk_set_aio_context(s->conf->conf.blk, s->ctx); /* Kick right away to begin processing requests already in vring */ event_notifier_set(virtio_queue_get_host_notifier(vq)); @@ -308,7 +309,7 @@ void virtio_blk_data_plane_stop(VirtIOBlockDataPlane *s) aio_set_event_notifier(s->ctx, &s->host_notifier, NULL); /* Drain and switch bs back to the QEMU main loop */ - bdrv_set_aio_context(s->blk->conf.bs, qemu_get_aio_context()); + blk_set_aio_context(s->conf->conf.blk, qemu_get_aio_context()); aio_context_release(s->ctx); diff --git a/hw/block/dataplane/virtio-blk.h b/hw/block/dataplane/virtio-blk.h index 1750c9905b..c88d40e72c 100644 --- a/hw/block/dataplane/virtio-blk.h +++ b/hw/block/dataplane/virtio-blk.h @@ -19,7 +19,7 @@ typedef struct VirtIOBlockDataPlane VirtIOBlockDataPlane; -void virtio_blk_data_plane_create(VirtIODevice *vdev, VirtIOBlkConf *blk, +void virtio_blk_data_plane_create(VirtIODevice *vdev, VirtIOBlkConf *conf, VirtIOBlockDataPlane **dataplane, Error **errp); void virtio_blk_data_plane_destroy(VirtIOBlockDataPlane *s); diff --git a/hw/block/fdc.c b/hw/block/fdc.c index 34c1d8f1c9..739a03ed58 100644 --- a/hw/block/fdc.c +++ b/hw/block/fdc.c @@ -33,6 +33,7 @@ #include "qemu/timer.h" #include "hw/isa/isa.h" #include "hw/sysbus.h" +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "sysemu/sysemu.h" #include "qemu/log.h" @@ -113,7 +114,7 @@ static const FDFormat fd_formats[] = { { FDRIVE_DRV_NONE, -1, -1, 0, 0, }, }; -static void pick_geometry(BlockDriverState *bs, int *nb_heads, +static void pick_geometry(BlockBackend *blk, int *nb_heads, int *max_track, int *last_sect, FDriveType drive_in, FDriveType *drive, FDriveRate *rate) @@ -122,7 +123,7 @@ static void pick_geometry(BlockDriverState *bs, int *nb_heads, uint64_t nb_sectors, size; int i, first_match, match; - bdrv_get_geometry(bs, &nb_sectors); + blk_get_geometry(blk, &nb_sectors); match = -1; first_match = -1; for (i = 0; ; i++) { @@ -175,7 +176,7 @@ typedef enum FDiskFlags { typedef struct FDrive { FDCtrl *fdctrl; - BlockDriverState *bs; + BlockBackend *blk; /* Drive status */ FDriveType drive; uint8_t perpendicular; /* 2.88 MB access mode */ @@ -260,7 +261,7 @@ static int fd_seek(FDrive *drv, uint8_t head, uint8_t track, uint8_t sect, #endif drv->head = head; if (drv->track != track) { - if (drv->bs != NULL && bdrv_is_inserted(drv->bs)) { + if (drv->blk != NULL && blk_is_inserted(drv->blk)) { drv->media_changed = 0; } ret = 1; @@ -269,7 +270,7 @@ static int fd_seek(FDrive *drv, uint8_t head, uint8_t track, uint8_t sect, drv->sect = sect; } - if (drv->bs == NULL || !bdrv_is_inserted(drv->bs)) { + if (drv->blk == NULL || !blk_is_inserted(drv->blk)) { ret = 2; } @@ -291,11 +292,11 @@ static void fd_revalidate(FDrive *drv) FDriveRate rate; FLOPPY_DPRINTF("revalidate\n"); - if (drv->bs != NULL) { - ro = bdrv_is_read_only(drv->bs); - pick_geometry(drv->bs, &nb_heads, &max_track, + if (drv->blk != NULL) { + ro = blk_is_read_only(drv->blk); + pick_geometry(drv->blk, &nb_heads, &max_track, &last_sect, drv->drive, &drive, &rate); - if (!bdrv_is_inserted(drv->bs)) { + if (!blk_is_inserted(drv->blk)) { FLOPPY_DPRINTF("No disk in drive\n"); } else { FLOPPY_DPRINTF("Floppy disk (%d h %d t %d s) %s\n", nb_heads, @@ -665,7 +666,7 @@ static bool fdrive_media_changed_needed(void *opaque) { FDrive *drive = opaque; - return (drive->bs != NULL && drive->media_changed != 1); + return (drive->blk != NULL && drive->media_changed != 1); } static const VMStateDescription vmstate_fdrive_media_changed = { @@ -910,8 +911,9 @@ static void fdctrl_reset(FDCtrl *fdctrl, int do_irq) /* Initialise controller */ fdctrl->sra = 0; fdctrl->srb = 0xc0; - if (!fdctrl->drives[1].bs) + if (!fdctrl->drives[1].blk) { fdctrl->sra |= FD_SRA_nDRV2; + } fdctrl->cur_drv = 0; fdctrl->dor = FD_DOR_nRESET; fdctrl->dor |= (fdctrl->dma_chann != -1) ? FD_DOR_DMAEN : 0; @@ -1403,7 +1405,7 @@ static int fdctrl_transfer_handler (void *opaque, int nchan, status2 = FD_SR2_SNS; if (dma_len > fdctrl->data_len) dma_len = fdctrl->data_len; - if (cur_drv->bs == NULL) { + if (cur_drv->blk == NULL) { if (fdctrl->data_dir == FD_DIR_WRITE) fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM | FD_SR0_SEEK, 0x00, 0x00); else @@ -1424,8 +1426,8 @@ static int fdctrl_transfer_handler (void *opaque, int nchan, if (fdctrl->data_dir != FD_DIR_WRITE || len < FD_SECTOR_LEN || rel_pos != 0) { /* READ & SCAN commands and realign to a sector for WRITE */ - if (bdrv_read(cur_drv->bs, fd_sector(cur_drv), - fdctrl->fifo, 1) < 0) { + if (blk_read(cur_drv->blk, fd_sector(cur_drv), + fdctrl->fifo, 1) < 0) { FLOPPY_DPRINTF("Floppy: error getting sector %d\n", fd_sector(cur_drv)); /* Sure, image size is too small... */ @@ -1452,8 +1454,8 @@ static int fdctrl_transfer_handler (void *opaque, int nchan, DMA_read_memory (nchan, fdctrl->fifo + rel_pos, fdctrl->data_pos, len); - if (bdrv_write(cur_drv->bs, fd_sector(cur_drv), - fdctrl->fifo, 1) < 0) { + if (blk_write(cur_drv->blk, fd_sector(cur_drv), + fdctrl->fifo, 1) < 0) { FLOPPY_DPRINTF("error writing sector %d\n", fd_sector(cur_drv)); fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM | FD_SR0_SEEK, 0x00, 0x00); @@ -1528,7 +1530,8 @@ static uint32_t fdctrl_read_data(FDCtrl *fdctrl) fd_sector(cur_drv)); return 0; } - if (bdrv_read(cur_drv->bs, fd_sector(cur_drv), fdctrl->fifo, 1) < 0) { + if (blk_read(cur_drv->blk, fd_sector(cur_drv), fdctrl->fifo, 1) + < 0) { FLOPPY_DPRINTF("error getting sector %d\n", fd_sector(cur_drv)); /* Sure, image size is too small... */ @@ -1597,8 +1600,8 @@ static void fdctrl_format_sector(FDCtrl *fdctrl) break; } memset(fdctrl->fifo, 0, FD_SECTOR_LEN); - if (cur_drv->bs == NULL || - bdrv_write(cur_drv->bs, fd_sector(cur_drv), fdctrl->fifo, 1) < 0) { + if (cur_drv->blk == NULL || + blk_write(cur_drv->blk, fd_sector(cur_drv), fdctrl->fifo, 1) < 0) { FLOPPY_DPRINTF("error formatting sector %d\n", fd_sector(cur_drv)); fdctrl_stop_transfer(fdctrl, FD_SR0_ABNTERM | FD_SR0_SEEK, 0x00, 0x00); } else { @@ -1988,7 +1991,8 @@ static void fdctrl_write_data(FDCtrl *fdctrl, uint32_t value) if (pos == FD_SECTOR_LEN - 1 || fdctrl->data_pos == fdctrl->data_len) { cur_drv = get_cur_drv(fdctrl); - if (bdrv_write(cur_drv->bs, fd_sector(cur_drv), fdctrl->fifo, 1) < 0) { + if (blk_write(cur_drv->blk, fd_sector(cur_drv), fdctrl->fifo, 1) + < 0) { FLOPPY_DPRINTF("error writing sector %d\n", fd_sector(cur_drv)); return; @@ -2076,12 +2080,12 @@ static void fdctrl_connect_drives(FDCtrl *fdctrl, Error **errp) drive = &fdctrl->drives[i]; drive->fdctrl = fdctrl; - if (drive->bs) { - if (bdrv_get_on_error(drive->bs, 0) != BLOCKDEV_ON_ERROR_ENOSPC) { + if (drive->blk) { + if (blk_get_on_error(drive->blk, 0) != BLOCKDEV_ON_ERROR_ENOSPC) { error_setg(errp, "fdc doesn't support drive option werror"); return; } - if (bdrv_get_on_error(drive->bs, 1) != BLOCKDEV_ON_ERROR_REPORT) { + if (blk_get_on_error(drive->blk, 1) != BLOCKDEV_ON_ERROR_REPORT) { error_setg(errp, "fdc doesn't support drive option rerror"); return; } @@ -2089,8 +2093,8 @@ static void fdctrl_connect_drives(FDCtrl *fdctrl, Error **errp) fd_init(drive); fdctrl_change_cb(drive, 0); - if (drive->bs) { - bdrv_set_dev_ops(drive->bs, &fdctrl_block_ops, drive); + if (drive->blk) { + blk_set_dev_ops(drive->blk, &fdctrl_block_ops, drive); } } } @@ -2107,10 +2111,10 @@ ISADevice *fdctrl_init_isa(ISABus *bus, DriveInfo **fds) dev = DEVICE(isadev); if (fds[0]) { - qdev_prop_set_drive_nofail(dev, "driveA", fds[0]->bdrv); + qdev_prop_set_drive_nofail(dev, "driveA", blk_by_legacy_dinfo(fds[0])); } if (fds[1]) { - qdev_prop_set_drive_nofail(dev, "driveB", fds[1]->bdrv); + qdev_prop_set_drive_nofail(dev, "driveB", blk_by_legacy_dinfo(fds[1])); } qdev_init_nofail(dev); @@ -2130,10 +2134,10 @@ void fdctrl_init_sysbus(qemu_irq irq, int dma_chann, fdctrl = &sys->state; fdctrl->dma_chann = dma_chann; /* FIXME */ if (fds[0]) { - qdev_prop_set_drive_nofail(dev, "driveA", fds[0]->bdrv); + qdev_prop_set_drive_nofail(dev, "driveA", blk_by_legacy_dinfo(fds[0])); } if (fds[1]) { - qdev_prop_set_drive_nofail(dev, "driveB", fds[1]->bdrv); + qdev_prop_set_drive_nofail(dev, "driveB", blk_by_legacy_dinfo(fds[1])); } qdev_init_nofail(dev); sbd = SYS_BUS_DEVICE(dev); @@ -2149,7 +2153,7 @@ void sun4m_fdctrl_init(qemu_irq irq, hwaddr io_base, dev = qdev_create(NULL, "SUNW,fdtwo"); if (fds[0]) { - qdev_prop_set_drive_nofail(dev, "drive", fds[0]->bdrv); + qdev_prop_set_drive_nofail(dev, "drive", blk_by_legacy_dinfo(fds[0])); } qdev_init_nofail(dev); sys = SYSBUS_FDC(dev); @@ -2286,8 +2290,8 @@ static Property isa_fdc_properties[] = { DEFINE_PROP_UINT32("iobase", FDCtrlISABus, iobase, 0x3f0), DEFINE_PROP_UINT32("irq", FDCtrlISABus, irq, 6), DEFINE_PROP_UINT32("dma", FDCtrlISABus, dma, 2), - DEFINE_PROP_DRIVE("driveA", FDCtrlISABus, state.drives[0].bs), - DEFINE_PROP_DRIVE("driveB", FDCtrlISABus, state.drives[1].bs), + DEFINE_PROP_DRIVE("driveA", FDCtrlISABus, state.drives[0].blk), + DEFINE_PROP_DRIVE("driveB", FDCtrlISABus, state.drives[1].blk), DEFINE_PROP_BIT("check_media_rate", FDCtrlISABus, state.check_media_rate, 0, true), DEFINE_PROP_END_OF_LIST(), @@ -2336,8 +2340,8 @@ static const VMStateDescription vmstate_sysbus_fdc ={ }; static Property sysbus_fdc_properties[] = { - DEFINE_PROP_DRIVE("driveA", FDCtrlSysBus, state.drives[0].bs), - DEFINE_PROP_DRIVE("driveB", FDCtrlSysBus, state.drives[1].bs), + DEFINE_PROP_DRIVE("driveA", FDCtrlSysBus, state.drives[0].blk), + DEFINE_PROP_DRIVE("driveB", FDCtrlSysBus, state.drives[1].blk), DEFINE_PROP_END_OF_LIST(), }; @@ -2357,7 +2361,7 @@ static const TypeInfo sysbus_fdc_info = { }; static Property sun4m_fdc_properties[] = { - DEFINE_PROP_DRIVE("drive", FDCtrlSysBus, state.drives[0].bs), + DEFINE_PROP_DRIVE("drive", FDCtrlSysBus, state.drives[0].blk), DEFINE_PROP_END_OF_LIST(), }; diff --git a/hw/block/hd-geometry.c b/hw/block/hd-geometry.c index 6feb4f8175..6fcf74df44 100644 --- a/hw/block/hd-geometry.c +++ b/hw/block/hd-geometry.c @@ -30,7 +30,7 @@ * THE SOFTWARE. */ -#include "block/block.h" +#include "sysemu/block-backend.h" #include "hw/block/block.h" #include "trace.h" @@ -49,7 +49,7 @@ struct partition { /* try to guess the disk logical geometry from the MSDOS partition table. Return 0 if OK, -1 if could not guess */ -static int guess_disk_lchs(BlockDriverState *bs, +static int guess_disk_lchs(BlockBackend *blk, int *pcylinders, int *pheads, int *psectors) { uint8_t buf[BDRV_SECTOR_SIZE]; @@ -58,14 +58,14 @@ static int guess_disk_lchs(BlockDriverState *bs, uint32_t nr_sects; uint64_t nb_sectors; - bdrv_get_geometry(bs, &nb_sectors); + blk_get_geometry(blk, &nb_sectors); /** * The function will be invoked during startup not only in sync I/O mode, * but also in async I/O mode. So the I/O throttling function has to * be disabled temporarily here, not permanently. */ - if (bdrv_read_unthrottled(bs, 0, buf, 1) < 0) { + if (blk_read_unthrottled(blk, 0, buf, 1) < 0) { return -1; } /* test msdos magic */ @@ -90,20 +90,20 @@ static int guess_disk_lchs(BlockDriverState *bs, *pheads = heads; *psectors = sectors; *pcylinders = cylinders; - trace_hd_geometry_lchs_guess(bs, cylinders, heads, sectors); + trace_hd_geometry_lchs_guess(blk, cylinders, heads, sectors); return 0; } } return -1; } -static void guess_chs_for_size(BlockDriverState *bs, +static void guess_chs_for_size(BlockBackend *blk, uint32_t *pcyls, uint32_t *pheads, uint32_t *psecs) { uint64_t nb_sectors; int cylinders; - bdrv_get_geometry(bs, &nb_sectors); + blk_get_geometry(blk, &nb_sectors); cylinders = nb_sectors / (16 * 63); if (cylinders > 16383) { @@ -116,21 +116,21 @@ static void guess_chs_for_size(BlockDriverState *bs, *psecs = 63; } -void hd_geometry_guess(BlockDriverState *bs, +void hd_geometry_guess(BlockBackend *blk, uint32_t *pcyls, uint32_t *pheads, uint32_t *psecs, int *ptrans) { int cylinders, heads, secs, translation; - if (guess_disk_lchs(bs, &cylinders, &heads, &secs) < 0) { + if (guess_disk_lchs(blk, &cylinders, &heads, &secs) < 0) { /* no LCHS guess: use a standard physical disk geometry */ - guess_chs_for_size(bs, pcyls, pheads, psecs); + guess_chs_for_size(blk, pcyls, pheads, psecs); translation = hd_bios_chs_auto_trans(*pcyls, *pheads, *psecs); } else if (heads > 16) { /* LCHS guess with heads > 16 means that a BIOS LBA translation was active, so a standard physical disk geometry is OK */ - guess_chs_for_size(bs, pcyls, pheads, psecs); + guess_chs_for_size(blk, pcyls, pheads, psecs); translation = *pcyls * *pheads <= 131072 ? BIOS_ATA_TRANSLATION_LARGE : BIOS_ATA_TRANSLATION_LBA; @@ -146,7 +146,7 @@ void hd_geometry_guess(BlockDriverState *bs, if (ptrans) { *ptrans = translation; } - trace_hd_geometry_guess(bs, *pcyls, *pheads, *psecs, translation); + trace_hd_geometry_guess(blk, *pcyls, *pheads, *psecs, translation); } int hd_bios_chs_auto_trans(uint32_t cyls, uint32_t heads, uint32_t secs) diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c index 5893773f0c..ff1106b6c9 100644 --- a/hw/block/m25p80.c +++ b/hw/block/m25p80.c @@ -22,6 +22,7 @@ */ #include "hw/hw.h" +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "hw/ssi.h" @@ -245,7 +246,7 @@ typedef struct Flash { uint32_t r; - BlockDriverState *bdrv; + BlockBackend *blk; uint8_t *storage; uint32_t size; @@ -279,7 +280,7 @@ typedef struct M25P80Class { #define M25P80_GET_CLASS(obj) \ OBJECT_GET_CLASS(M25P80Class, (obj), TYPE_M25P80) -static void bdrv_sync_complete(void *opaque, int ret) +static void blk_sync_complete(void *opaque, int ret) { /* do nothing. Masters do not directly interact with the backing store, * only the working copy so no mutexing required. @@ -288,20 +289,20 @@ static void bdrv_sync_complete(void *opaque, int ret) static void flash_sync_page(Flash *s, int page) { - int bdrv_sector, nb_sectors; + int blk_sector, nb_sectors; QEMUIOVector iov; - if (!s->bdrv || bdrv_is_read_only(s->bdrv)) { + if (!s->blk || blk_is_read_only(s->blk)) { return; } - bdrv_sector = (page * s->pi->page_size) / BDRV_SECTOR_SIZE; + blk_sector = (page * s->pi->page_size) / BDRV_SECTOR_SIZE; nb_sectors = DIV_ROUND_UP(s->pi->page_size, BDRV_SECTOR_SIZE); qemu_iovec_init(&iov, 1); - qemu_iovec_add(&iov, s->storage + bdrv_sector * BDRV_SECTOR_SIZE, + qemu_iovec_add(&iov, s->storage + blk_sector * BDRV_SECTOR_SIZE, nb_sectors * BDRV_SECTOR_SIZE); - bdrv_aio_writev(s->bdrv, bdrv_sector, &iov, nb_sectors, bdrv_sync_complete, - NULL); + blk_aio_writev(s->blk, blk_sector, &iov, nb_sectors, blk_sync_complete, + NULL); } static inline void flash_sync_area(Flash *s, int64_t off, int64_t len) @@ -309,7 +310,7 @@ static inline void flash_sync_area(Flash *s, int64_t off, int64_t len) int64_t start, end, nb_sectors; QEMUIOVector iov; - if (!s->bdrv || bdrv_is_read_only(s->bdrv)) { + if (!s->blk || blk_is_read_only(s->blk)) { return; } @@ -320,7 +321,7 @@ static inline void flash_sync_area(Flash *s, int64_t off, int64_t len) qemu_iovec_init(&iov, 1); qemu_iovec_add(&iov, s->storage + (start * BDRV_SECTOR_SIZE), nb_sectors * BDRV_SECTOR_SIZE); - bdrv_aio_writev(s->bdrv, start, &iov, nb_sectors, bdrv_sync_complete, NULL); + blk_aio_writev(s->blk, start, &iov, nb_sectors, blk_sync_complete, NULL); } static void flash_erase(Flash *s, int offset, FlashCMD cmd) @@ -620,17 +621,17 @@ static int m25p80_init(SSISlave *ss) s->size = s->pi->sector_size * s->pi->n_sectors; s->dirty_page = -1; - s->storage = qemu_blockalign(s->bdrv, s->size); + s->storage = blk_blockalign(s->blk, s->size); dinfo = drive_get_next(IF_MTD); - if (dinfo && dinfo->bdrv) { + if (dinfo) { DB_PRINT_L(0, "Binding to IF_MTD drive\n"); - s->bdrv = dinfo->bdrv; + s->blk = blk_by_legacy_dinfo(dinfo); /* FIXME: Move to late init */ - if (bdrv_read(s->bdrv, 0, s->storage, DIV_ROUND_UP(s->size, - BDRV_SECTOR_SIZE))) { + if (blk_read(s->blk, 0, s->storage, + DIV_ROUND_UP(s->size, BDRV_SECTOR_SIZE))) { fprintf(stderr, "Failed to initialize SPI flash!\n"); return 1; } diff --git a/hw/block/nand.c b/hw/block/nand.c index 38eefd436d..1882a0cbeb 100644 --- a/hw/block/nand.c +++ b/hw/block/nand.c @@ -20,7 +20,7 @@ # include "hw/hw.h" # include "hw/block/flash.h" -# include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "hw/qdev.h" #include "qemu/error-report.h" @@ -61,7 +61,7 @@ struct NANDFlashState { int size, pages; int page_shift, oob_shift, erase_shift, addr_shift; uint8_t *storage; - BlockDriverState *bdrv; + BlockBackend *blk; int mem_oob; uint8_t cle, ale, ce, wp, gnd; @@ -400,12 +400,12 @@ static void nand_realize(DeviceState *dev, Error **errp) pagesize = 1 << s->oob_shift; s->mem_oob = 1; - if (s->bdrv) { - if (bdrv_is_read_only(s->bdrv)) { + if (s->blk) { + if (blk_is_read_only(s->blk)) { error_setg(errp, "Can't use a read-only drive"); return; } - if (bdrv_getlength(s->bdrv) >= + if (blk_getlength(s->blk) >= (s->pages << s->page_shift) + (s->pages << s->oob_shift)) { pagesize = 0; s->mem_oob = 0; @@ -424,7 +424,7 @@ static void nand_realize(DeviceState *dev, Error **errp) static Property nand_properties[] = { DEFINE_PROP_UINT8("manufacturer_id", NANDFlashState, manf_id, 0), DEFINE_PROP_UINT8("chip_id", NANDFlashState, chip_id, 0), - DEFINE_PROP_DRIVE("drive", NANDFlashState, bdrv), + DEFINE_PROP_DRIVE("drive", NANDFlashState, blk), DEFINE_PROP_END_OF_LIST(), }; @@ -624,7 +624,7 @@ uint32_t nand_getbuswidth(DeviceState *dev) return s->buswidth << 3; } -DeviceState *nand_init(BlockDriverState *bdrv, int manf_id, int chip_id) +DeviceState *nand_init(BlockBackend *blk, int manf_id, int chip_id) { DeviceState *dev; @@ -634,8 +634,8 @@ DeviceState *nand_init(BlockDriverState *bdrv, int manf_id, int chip_id) dev = DEVICE(object_new(TYPE_NAND)); qdev_prop_set_uint8(dev, "manufacturer_id", manf_id); qdev_prop_set_uint8(dev, "chip_id", chip_id); - if (bdrv) { - qdev_prop_set_drive_nofail(dev, "drive", bdrv); + if (blk) { + qdev_prop_set_drive_nofail(dev, "drive", blk); } qdev_init_nofail(dev); @@ -654,14 +654,14 @@ static void glue(nand_blk_write_, PAGE_SIZE)(NANDFlashState *s) if (PAGE(s->addr) >= s->pages) return; - if (!s->bdrv) { + if (!s->blk) { mem_and(s->storage + PAGE_START(s->addr) + (s->addr & PAGE_MASK) + s->offset, s->io, s->iolen); } else if (s->mem_oob) { sector = SECTOR(s->addr); off = (s->addr & PAGE_MASK) + s->offset; soff = SECTOR_OFFSET(s->addr); - if (bdrv_read(s->bdrv, sector, iobuf, PAGE_SECTORS) < 0) { + if (blk_read(s->blk, sector, iobuf, PAGE_SECTORS) < 0) { printf("%s: read error in sector %" PRIu64 "\n", __func__, sector); return; } @@ -673,21 +673,21 @@ static void glue(nand_blk_write_, PAGE_SIZE)(NANDFlashState *s) MIN(OOB_SIZE, off + s->iolen - PAGE_SIZE)); } - if (bdrv_write(s->bdrv, sector, iobuf, PAGE_SECTORS) < 0) { + if (blk_write(s->blk, sector, iobuf, PAGE_SECTORS) < 0) { printf("%s: write error in sector %" PRIu64 "\n", __func__, sector); } } else { off = PAGE_START(s->addr) + (s->addr & PAGE_MASK) + s->offset; sector = off >> 9; soff = off & 0x1ff; - if (bdrv_read(s->bdrv, sector, iobuf, PAGE_SECTORS + 2) < 0) { + if (blk_read(s->blk, sector, iobuf, PAGE_SECTORS + 2) < 0) { printf("%s: read error in sector %" PRIu64 "\n", __func__, sector); return; } mem_and(iobuf + soff, s->io, s->iolen); - if (bdrv_write(s->bdrv, sector, iobuf, PAGE_SECTORS + 2) < 0) { + if (blk_write(s->blk, sector, iobuf, PAGE_SECTORS + 2) < 0) { printf("%s: write error in sector %" PRIu64 "\n", __func__, sector); } } @@ -705,7 +705,7 @@ static void glue(nand_blk_erase_, PAGE_SIZE)(NANDFlashState *s) return; } - if (!s->bdrv) { + if (!s->blk) { memset(s->storage + PAGE_START(addr), 0xff, (PAGE_SIZE + OOB_SIZE) << s->erase_shift); } else if (s->mem_oob) { @@ -714,17 +714,17 @@ static void glue(nand_blk_erase_, PAGE_SIZE)(NANDFlashState *s) i = SECTOR(addr); page = SECTOR(addr + (ADDR_SHIFT + s->erase_shift)); for (; i < page; i ++) - if (bdrv_write(s->bdrv, i, iobuf, 1) < 0) { + if (blk_write(s->blk, i, iobuf, 1) < 0) { printf("%s: write error in sector %" PRIu64 "\n", __func__, i); } } else { addr = PAGE_START(addr); page = addr >> 9; - if (bdrv_read(s->bdrv, page, iobuf, 1) < 0) { + if (blk_read(s->blk, page, iobuf, 1) < 0) { printf("%s: read error in sector %" PRIu64 "\n", __func__, page); } memset(iobuf + (addr & 0x1ff), 0xff, (~addr & 0x1ff) + 1); - if (bdrv_write(s->bdrv, page, iobuf, 1) < 0) { + if (blk_write(s->blk, page, iobuf, 1) < 0) { printf("%s: write error in sector %" PRIu64 "\n", __func__, page); } @@ -732,18 +732,18 @@ static void glue(nand_blk_erase_, PAGE_SIZE)(NANDFlashState *s) i = (addr & ~0x1ff) + 0x200; for (addr += ((PAGE_SIZE + OOB_SIZE) << s->erase_shift) - 0x200; i < addr; i += 0x200) { - if (bdrv_write(s->bdrv, i >> 9, iobuf, 1) < 0) { + if (blk_write(s->blk, i >> 9, iobuf, 1) < 0) { printf("%s: write error in sector %" PRIu64 "\n", __func__, i >> 9); } } page = i >> 9; - if (bdrv_read(s->bdrv, page, iobuf, 1) < 0) { + if (blk_read(s->blk, page, iobuf, 1) < 0) { printf("%s: read error in sector %" PRIu64 "\n", __func__, page); } memset(iobuf, 0xff, ((addr - 1) & 0x1ff) + 1); - if (bdrv_write(s->bdrv, page, iobuf, 1) < 0) { + if (blk_write(s->blk, page, iobuf, 1) < 0) { printf("%s: write error in sector %" PRIu64 "\n", __func__, page); } } @@ -756,9 +756,9 @@ static void glue(nand_blk_load_, PAGE_SIZE)(NANDFlashState *s, return; } - if (s->bdrv) { + if (s->blk) { if (s->mem_oob) { - if (bdrv_read(s->bdrv, SECTOR(addr), s->io, PAGE_SECTORS) < 0) { + if (blk_read(s->blk, SECTOR(addr), s->io, PAGE_SECTORS) < 0) { printf("%s: read error in sector %" PRIu64 "\n", __func__, SECTOR(addr)); } @@ -767,8 +767,8 @@ static void glue(nand_blk_load_, PAGE_SIZE)(NANDFlashState *s, OOB_SIZE); s->ioaddr = s->io + SECTOR_OFFSET(s->addr) + offset; } else { - if (bdrv_read(s->bdrv, PAGE_START(addr) >> 9, - s->io, (PAGE_SECTORS + 2)) < 0) { + if (blk_read(s->blk, PAGE_START(addr) >> 9, + s->io, (PAGE_SECTORS + 2)) < 0) { printf("%s: read error in sector %" PRIu64 "\n", __func__, PAGE_START(addr) >> 9); } diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 9a95f7530b..b6263dcabc 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -26,6 +26,7 @@ #include <hw/pci/pci.h> #include "sysemu/sysemu.h" #include "qapi/visitor.h" +#include "sysemu/block-backend.h" #include "nvme.h" @@ -199,7 +200,7 @@ static void nvme_rw_cb(void *opaque, int ret) NvmeCtrl *n = sq->ctrl; NvmeCQueue *cq = n->cq[sq->cqid]; - block_acct_done(bdrv_get_stats(n->conf.bs), &req->acct); + block_acct_done(blk_get_stats(n->conf.blk), &req->acct); if (!ret) { req->status = NVME_SUCCESS; } else { @@ -233,11 +234,11 @@ static uint16_t nvme_rw(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd, } assert((nlb << data_shift) == req->qsg.size); - dma_acct_start(n->conf.bs, &req->acct, &req->qsg, is_write ? - BLOCK_ACCT_WRITE : BLOCK_ACCT_READ); + dma_acct_start(n->conf.blk, &req->acct, &req->qsg, + is_write ? BLOCK_ACCT_WRITE : BLOCK_ACCT_READ); req->aiocb = is_write ? - dma_bdrv_write(n->conf.bs, &req->qsg, aio_slba, nvme_rw_cb, req) : - dma_bdrv_read(n->conf.bs, &req->qsg, aio_slba, nvme_rw_cb, req); + dma_blk_write(n->conf.blk, &req->qsg, aio_slba, nvme_rw_cb, req) : + dma_blk_read(n->conf.blk, &req->qsg, aio_slba, nvme_rw_cb, req); return NVME_NO_COMPLETE; } @@ -290,7 +291,7 @@ static uint16_t nvme_del_sq(NvmeCtrl *n, NvmeCmd *cmd) while (!QTAILQ_EMPTY(&sq->out_req_list)) { req = QTAILQ_FIRST(&sq->out_req_list); assert(req->aiocb); - bdrv_aio_cancel(req->aiocb); + blk_aio_cancel(req->aiocb); } if (!nvme_check_cqid(n, sq->cqid)) { cq = n->cq[sq->cqid]; @@ -565,7 +566,7 @@ static void nvme_clear_ctrl(NvmeCtrl *n) } } - bdrv_flush(n->conf.bs); + blk_flush(n->conf.blk); n->bar.cc = 0; } @@ -750,11 +751,11 @@ static int nvme_init(PCIDevice *pci_dev) int64_t bs_size; uint8_t *pci_conf; - if (!(n->conf.bs)) { + if (!n->conf.blk) { return -1; } - bs_size = bdrv_getlength(n->conf.bs); + bs_size = blk_getlength(n->conf.blk); if (bs_size < 0) { return -1; } diff --git a/hw/block/nvme.h b/hw/block/nvme.h index bd8fc3e4bb..993c51131c 100644 --- a/hw/block/nvme.h +++ b/hw/block/nvme.h @@ -636,7 +636,7 @@ typedef struct NvmeAsyncEvent { typedef struct NvmeRequest { struct NvmeSQueue *sq; - BlockDriverAIOCB *aiocb; + BlockAIOCB *aiocb; uint16_t status; NvmeCqe cqe; BlockAcctCookie acct; diff --git a/hw/block/onenand.c b/hw/block/onenand.c index e48e5859f3..348630d905 100644 --- a/hw/block/onenand.c +++ b/hw/block/onenand.c @@ -22,6 +22,7 @@ #include "hw/hw.h" #include "hw/block/flash.h" #include "hw/irq.h" +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "exec/memory.h" #include "exec/address-spaces.h" @@ -49,8 +50,8 @@ typedef struct OneNANDState { hwaddr base; qemu_irq intr; qemu_irq rdy; - BlockDriverState *bdrv; - BlockDriverState *bdrv_cur; + BlockBackend *blk; + BlockBackend *blk_cur; uint8_t *image; uint8_t *otp; uint8_t *current; @@ -213,7 +214,7 @@ static void onenand_reset(OneNANDState *s, int cold) s->wpstatus = 0x0002; s->cycle = 0; s->otpmode = 0; - s->bdrv_cur = s->bdrv; + s->blk_cur = s->blk; s->current = s->image; s->secs_cur = s->secs; @@ -221,7 +222,7 @@ static void onenand_reset(OneNANDState *s, int cold) /* Lock the whole flash */ memset(s->blockwp, ONEN_LOCK_LOCKED, s->blocks); - if (s->bdrv_cur && bdrv_read(s->bdrv_cur, 0, s->boot[0], 8) < 0) { + if (s->blk_cur && blk_read(s->blk_cur, 0, s->boot[0], 8) < 0) { hw_error("%s: Loading the BootRAM failed.\n", __func__); } } @@ -237,10 +238,11 @@ static void onenand_system_reset(DeviceState *dev) static inline int onenand_load_main(OneNANDState *s, int sec, int secn, void *dest) { - if (s->bdrv_cur) - return bdrv_read(s->bdrv_cur, sec, dest, secn) < 0; - else if (sec + secn > s->secs_cur) + if (s->blk_cur) { + return blk_read(s->blk_cur, sec, dest, secn) < 0; + } else if (sec + secn > s->secs_cur) { return 1; + } memcpy(dest, s->current + (sec << 9), secn << 9); @@ -256,9 +258,9 @@ static inline int onenand_prog_main(OneNANDState *s, int sec, int secn, uint32_t size = (uint32_t)secn * 512; const uint8_t *sp = (const uint8_t *)src; uint8_t *dp = 0; - if (s->bdrv_cur) { + if (s->blk_cur) { dp = g_malloc(size); - if (!dp || bdrv_read(s->bdrv_cur, sec, dp, secn) < 0) { + if (!dp || blk_read(s->blk_cur, sec, dp, secn) < 0) { result = 1; } } else { @@ -273,11 +275,11 @@ static inline int onenand_prog_main(OneNANDState *s, int sec, int secn, for (i = 0; i < size; i++) { dp[i] &= sp[i]; } - if (s->bdrv_cur) { - result = bdrv_write(s->bdrv_cur, sec, dp, secn) < 0; + if (s->blk_cur) { + result = blk_write(s->blk_cur, sec, dp, secn) < 0; } } - if (dp && s->bdrv_cur) { + if (dp && s->blk_cur) { g_free(dp); } } @@ -290,14 +292,16 @@ static inline int onenand_load_spare(OneNANDState *s, int sec, int secn, { uint8_t buf[512]; - if (s->bdrv_cur) { - if (bdrv_read(s->bdrv_cur, s->secs_cur + (sec >> 5), buf, 1) < 0) + if (s->blk_cur) { + if (blk_read(s->blk_cur, s->secs_cur + (sec >> 5), buf, 1) < 0) { return 1; + } memcpy(dest, buf + ((sec & 31) << 4), secn << 4); - } else if (sec + secn > s->secs_cur) + } else if (sec + secn > s->secs_cur) { return 1; - else + } else { memcpy(dest, s->current + (s->secs_cur << 9) + (sec << 4), secn << 4); + } return 0; } @@ -309,11 +313,10 @@ static inline int onenand_prog_spare(OneNANDState *s, int sec, int secn, if (secn > 0) { const uint8_t *sp = (const uint8_t *)src; uint8_t *dp = 0, *dpp = 0; - if (s->bdrv_cur) { + if (s->blk_cur) { dp = g_malloc(512); - if (!dp || bdrv_read(s->bdrv_cur, - s->secs_cur + (sec >> 5), - dp, 1) < 0) { + if (!dp + || blk_read(s->blk_cur, s->secs_cur + (sec >> 5), dp, 1) < 0) { result = 1; } else { dpp = dp + ((sec & 31) << 4); @@ -330,9 +333,9 @@ static inline int onenand_prog_spare(OneNANDState *s, int sec, int secn, for (i = 0; i < (secn << 4); i++) { dpp[i] &= sp[i]; } - if (s->bdrv_cur) { - result = bdrv_write(s->bdrv_cur, s->secs_cur + (sec >> 5), - dp, 1) < 0; + if (s->blk_cur) { + result = blk_write(s->blk_cur, s->secs_cur + (sec >> 5), + dp, 1) < 0; } } g_free(dp); @@ -354,16 +357,16 @@ static inline int onenand_erase(OneNANDState *s, int sec, int num) } memset(blankbuf, 0xff, 512); for (; num > 0; num--, sec++) { - if (s->bdrv_cur) { + if (s->blk_cur) { int erasesec = s->secs_cur + (sec >> 5); - if (bdrv_write(s->bdrv_cur, sec, blankbuf, 1) < 0) { + if (blk_write(s->blk_cur, sec, blankbuf, 1) < 0) { goto fail; } - if (bdrv_read(s->bdrv_cur, erasesec, tmpbuf, 1) < 0) { + if (blk_read(s->blk_cur, erasesec, tmpbuf, 1) < 0) { goto fail; } memcpy(tmpbuf + ((sec & 31) << 4), blankbuf, 1 << 4); - if (bdrv_write(s->bdrv_cur, erasesec, tmpbuf, 1) < 0) { + if (blk_write(s->blk_cur, erasesec, tmpbuf, 1) < 0) { goto fail; } } else { @@ -576,7 +579,7 @@ static void onenand_command(OneNANDState *s) case 0x65: /* OTP Access */ s->intstatus |= ONEN_INT; - s->bdrv_cur = NULL; + s->blk_cur = NULL; s->current = s->otp; s->secs_cur = 1 << (BLOCK_SHIFT - 9); s->addr[ONEN_BUF_BLOCK] = 0; @@ -776,15 +779,15 @@ static int onenand_initfn(SysBusDevice *sbd) ? (1 << (6 + ((s->id.dev >> 4) & 7))) : 0; memory_region_init_io(&s->iomem, OBJECT(s), &onenand_ops, s, "onenand", 0x10000 << s->shift); - if (!s->bdrv) { + if (!s->blk) { s->image = memset(g_malloc(size + (size >> 5)), 0xff, size + (size >> 5)); } else { - if (bdrv_is_read_only(s->bdrv)) { + if (blk_is_read_only(s->blk)) { error_report("Can't use a read-only drive"); return -1; } - s->bdrv_cur = s->bdrv; + s->blk_cur = s->blk; } s->otp = memset(g_malloc((64 + 2) << PAGE_SHIFT), 0xff, (64 + 2) << PAGE_SHIFT); @@ -815,7 +818,7 @@ static Property onenand_properties[] = { DEFINE_PROP_UINT16("device_id", OneNANDState, id.dev, 0), DEFINE_PROP_UINT16("version_id", OneNANDState, id.ver, 0), DEFINE_PROP_INT32("shift", OneNANDState, shift, 0), - DEFINE_PROP_DRIVE("drive", OneNANDState, bdrv), + DEFINE_PROP_DRIVE("drive", OneNANDState, blk), DEFINE_PROP_END_OF_LIST(), }; diff --git a/hw/block/pflash_cfi01.c b/hw/block/pflash_cfi01.c index 1346541c80..89d380e59d 100644 --- a/hw/block/pflash_cfi01.c +++ b/hw/block/pflash_cfi01.c @@ -38,7 +38,7 @@ #include "hw/hw.h" #include "hw/block/flash.h" -#include "block/block.h" +#include "sysemu/block-backend.h" #include "qemu/timer.h" #include "qemu/bitops.h" #include "exec/address-spaces.h" @@ -69,7 +69,7 @@ struct pflash_t { SysBusDevice parent_obj; /*< public >*/ - BlockDriverState *bs; + BlockBackend *blk; uint32_t nb_blocs; uint64_t sector_len; uint8_t bank_width; @@ -395,13 +395,13 @@ static void pflash_update(pflash_t *pfl, int offset, int size) { int offset_end; - if (pfl->bs) { + if (pfl->blk) { offset_end = offset + size; /* round to sectors */ offset = offset >> 9; offset_end = (offset_end + 511) >> 9; - bdrv_write(pfl->bs, offset, pfl->storage + (offset << 9), - offset_end - offset); + blk_write(pfl->blk, offset, pfl->storage + (offset << 9), + offset_end - offset); } } @@ -784,9 +784,9 @@ static void pflash_cfi01_realize(DeviceState *dev, Error **errp) pfl->storage = memory_region_get_ram_ptr(&pfl->mem); sysbus_init_mmio(SYS_BUS_DEVICE(dev), &pfl->mem); - if (pfl->bs) { + if (pfl->blk) { /* read the initial flash content */ - ret = bdrv_read(pfl->bs, 0, pfl->storage, total_len >> 9); + ret = blk_read(pfl->blk, 0, pfl->storage, total_len >> 9); if (ret < 0) { vmstate_unregister_ram(&pfl->mem, DEVICE(pfl)); @@ -795,8 +795,8 @@ static void pflash_cfi01_realize(DeviceState *dev, Error **errp) } } - if (pfl->bs) { - pfl->ro = bdrv_is_read_only(pfl->bs); + if (pfl->blk) { + pfl->ro = blk_is_read_only(pfl->blk); } else { pfl->ro = 0; } @@ -898,7 +898,7 @@ static void pflash_cfi01_realize(DeviceState *dev, Error **errp) } static Property pflash_cfi01_properties[] = { - DEFINE_PROP_DRIVE("drive", struct pflash_t, bs), + DEFINE_PROP_DRIVE("drive", struct pflash_t, blk), /* num-blocks is the number of blocks actually visible to the guest, * ie the total size of the device divided by the sector length. * If we're emulating flash devices wired in parallel the actual @@ -962,14 +962,14 @@ type_init(pflash_cfi01_register_types) pflash_t *pflash_cfi01_register(hwaddr base, DeviceState *qdev, const char *name, hwaddr size, - BlockDriverState *bs, + BlockBackend *blk, uint32_t sector_len, int nb_blocs, int bank_width, uint16_t id0, uint16_t id1, uint16_t id2, uint16_t id3, int be) { DeviceState *dev = qdev_create(NULL, TYPE_CFI_PFLASH01); - if (bs && qdev_prop_set_drive(dev, "drive", bs)) { + if (blk && qdev_prop_set_drive(dev, "drive", blk)) { abort(); } qdev_prop_set_uint32(dev, "num-blocks", nb_blocs); diff --git a/hw/block/pflash_cfi02.c b/hw/block/pflash_cfi02.c index 01011cf339..8513a17e9f 100644 --- a/hw/block/pflash_cfi02.c +++ b/hw/block/pflash_cfi02.c @@ -38,7 +38,7 @@ #include "hw/hw.h" #include "hw/block/flash.h" #include "qemu/timer.h" -#include "block/block.h" +#include "sysemu/block-backend.h" #include "exec/address-spaces.h" #include "qemu/host-utils.h" #include "hw/sysbus.h" @@ -63,7 +63,7 @@ struct pflash_t { SysBusDevice parent_obj; /*< public >*/ - BlockDriverState *bs; + BlockBackend *blk; uint32_t sector_len; uint32_t nb_blocs; uint32_t chip_len; @@ -249,13 +249,13 @@ static void pflash_update(pflash_t *pfl, int offset, int size) { int offset_end; - if (pfl->bs) { + if (pfl->blk) { offset_end = offset + size; /* round to sectors */ offset = offset >> 9; offset_end = (offset_end + 511) >> 9; - bdrv_write(pfl->bs, offset, pfl->storage + (offset << 9), - offset_end - offset); + blk_write(pfl->blk, offset, pfl->storage + (offset << 9), + offset_end - offset); } } @@ -618,9 +618,9 @@ static void pflash_cfi02_realize(DeviceState *dev, Error **errp) vmstate_register_ram(&pfl->orig_mem, DEVICE(pfl)); pfl->storage = memory_region_get_ram_ptr(&pfl->orig_mem); pfl->chip_len = chip_len; - if (pfl->bs) { + if (pfl->blk) { /* read the initial flash content */ - ret = bdrv_read(pfl->bs, 0, pfl->storage, chip_len >> 9); + ret = blk_read(pfl->blk, 0, pfl->storage, chip_len >> 9); if (ret < 0) { vmstate_unregister_ram(&pfl->orig_mem, DEVICE(pfl)); error_setg(errp, "failed to read the initial flash content"); @@ -632,8 +632,8 @@ static void pflash_cfi02_realize(DeviceState *dev, Error **errp) pfl->rom_mode = 1; sysbus_init_mmio(SYS_BUS_DEVICE(dev), &pfl->mem); - if (pfl->bs) { - pfl->ro = bdrv_is_read_only(pfl->bs); + if (pfl->blk) { + pfl->ro = blk_is_read_only(pfl->blk); } else { pfl->ro = 0; } @@ -722,7 +722,7 @@ static void pflash_cfi02_realize(DeviceState *dev, Error **errp) } static Property pflash_cfi02_properties[] = { - DEFINE_PROP_DRIVE("drive", struct pflash_t, bs), + DEFINE_PROP_DRIVE("drive", struct pflash_t, blk), DEFINE_PROP_UINT32("num-blocks", struct pflash_t, nb_blocs, 0), DEFINE_PROP_UINT32("sector-length", struct pflash_t, sector_len, 0), DEFINE_PROP_UINT8("width", struct pflash_t, width, 0), @@ -763,7 +763,7 @@ type_init(pflash_cfi02_register_types) pflash_t *pflash_cfi02_register(hwaddr base, DeviceState *qdev, const char *name, hwaddr size, - BlockDriverState *bs, uint32_t sector_len, + BlockBackend *blk, uint32_t sector_len, int nb_blocs, int nb_mappings, int width, uint16_t id0, uint16_t id1, uint16_t id2, uint16_t id3, @@ -772,7 +772,7 @@ pflash_t *pflash_cfi02_register(hwaddr base, { DeviceState *dev = qdev_create(NULL, TYPE_CFI_PFLASH02); - if (bs && qdev_prop_set_drive(dev, "drive", bs)) { + if (blk && qdev_prop_set_drive(dev, "drive", blk)) { abort(); } qdev_prop_set_uint32(dev, "num-blocks", nb_blocs); diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c index 1fa97709c8..b19b102b42 100644 --- a/hw/block/virtio-blk.c +++ b/hw/block/virtio-blk.c @@ -16,6 +16,7 @@ #include "qemu/error-report.h" #include "trace.h" #include "hw/block/block.h" +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "hw/virtio/virtio-blk.h" #include "dataplane/virtio-blk.h" @@ -64,7 +65,8 @@ static void virtio_blk_req_complete(VirtIOBlockReq *req, unsigned char status) static int virtio_blk_handle_rw_error(VirtIOBlockReq *req, int error, bool is_read) { - BlockErrorAction action = bdrv_get_error_action(req->dev->bs, is_read, error); + BlockErrorAction action = blk_get_error_action(req->dev->blk, + is_read, error); VirtIOBlock *s = req->dev; if (action == BLOCK_ERROR_ACTION_STOP) { @@ -72,11 +74,11 @@ static int virtio_blk_handle_rw_error(VirtIOBlockReq *req, int error, s->rq = req; } else if (action == BLOCK_ERROR_ACTION_REPORT) { virtio_blk_req_complete(req, VIRTIO_BLK_S_IOERR); - block_acct_done(bdrv_get_stats(s->bs), &req->acct); + block_acct_done(blk_get_stats(s->blk), &req->acct); virtio_blk_free_request(req); } - bdrv_error_action(s->bs, action, is_read, error); + blk_error_action(s->blk, action, is_read, error); return action != BLOCK_ERROR_ACTION_IGNORE; } @@ -94,7 +96,7 @@ static void virtio_blk_rw_complete(void *opaque, int ret) } virtio_blk_req_complete(req, VIRTIO_BLK_S_OK); - block_acct_done(bdrv_get_stats(req->dev->bs), &req->acct); + block_acct_done(blk_get_stats(req->dev->blk), &req->acct); virtio_blk_free_request(req); } @@ -109,7 +111,7 @@ static void virtio_blk_flush_complete(void *opaque, int ret) } virtio_blk_req_complete(req, VIRTIO_BLK_S_OK); - block_acct_done(bdrv_get_stats(req->dev->bs), &req->acct); + block_acct_done(blk_get_stats(req->dev->blk), &req->acct); virtio_blk_free_request(req); } @@ -155,7 +157,7 @@ int virtio_blk_handle_scsi_req(VirtIOBlock *blk, */ scsi = (void *)elem->in_sg[elem->in_num - 2].iov_base; - if (!blk->blk.scsi) { + if (!blk->conf.scsi) { status = VIRTIO_BLK_S_UNSUPP; goto fail; } @@ -209,7 +211,7 @@ int virtio_blk_handle_scsi_req(VirtIOBlock *blk, hdr.sbp = elem->in_sg[elem->in_num - 3].iov_base; hdr.mx_sb_len = elem->in_sg[elem->in_num - 3].iov_len; - status = bdrv_ioctl(blk->bs, SG_IO, &hdr); + status = blk_ioctl(blk->blk, SG_IO, &hdr); if (status) { status = VIRTIO_BLK_S_UNSUPP; goto fail; @@ -255,7 +257,7 @@ static void virtio_blk_handle_scsi(VirtIOBlockReq *req) virtio_blk_free_request(req); } -void virtio_submit_multiwrite(BlockDriverState *bs, MultiReqBuffer *mrb) +void virtio_submit_multiwrite(BlockBackend *blk, MultiReqBuffer *mrb) { int i, ret; @@ -263,7 +265,7 @@ void virtio_submit_multiwrite(BlockDriverState *bs, MultiReqBuffer *mrb) return; } - ret = bdrv_aio_multiwrite(bs, mrb->blkreq, mrb->num_writes); + ret = blk_aio_multiwrite(blk, mrb->blkreq, mrb->num_writes); if (ret != 0) { for (i = 0; i < mrb->num_writes; i++) { if (mrb->blkreq[i].error) { @@ -277,14 +279,14 @@ void virtio_submit_multiwrite(BlockDriverState *bs, MultiReqBuffer *mrb) static void virtio_blk_handle_flush(VirtIOBlockReq *req, MultiReqBuffer *mrb) { - block_acct_start(bdrv_get_stats(req->dev->bs), &req->acct, 0, + block_acct_start(blk_get_stats(req->dev->blk), &req->acct, 0, BLOCK_ACCT_FLUSH); /* * Make sure all outstanding writes are posted to the backing device. */ - virtio_submit_multiwrite(req->dev->bs, mrb); - bdrv_aio_flush(req->dev->bs, virtio_blk_flush_complete, req); + virtio_submit_multiwrite(req->dev->blk, mrb); + blk_aio_flush(req->dev->blk, virtio_blk_flush_complete, req); } static bool virtio_blk_sect_range_ok(VirtIOBlock *dev, @@ -296,10 +298,10 @@ static bool virtio_blk_sect_range_ok(VirtIOBlock *dev, if (sector & dev->sector_mask) { return false; } - if (size % dev->conf->logical_block_size) { + if (size % dev->conf.conf.logical_block_size) { return false; } - bdrv_get_geometry(dev->bs, &total_sectors); + blk_get_geometry(dev->blk, &total_sectors); if (sector > total_sectors || nb_sectors > total_sectors - sector) { return false; } @@ -321,11 +323,11 @@ static void virtio_blk_handle_write(VirtIOBlockReq *req, MultiReqBuffer *mrb) return; } - block_acct_start(bdrv_get_stats(req->dev->bs), &req->acct, req->qiov.size, + block_acct_start(blk_get_stats(req->dev->blk), &req->acct, req->qiov.size, BLOCK_ACCT_WRITE); if (mrb->num_writes == 32) { - virtio_submit_multiwrite(req->dev->bs, mrb); + virtio_submit_multiwrite(req->dev->blk, mrb); } blkreq = &mrb->blkreq[mrb->num_writes]; @@ -353,11 +355,11 @@ static void virtio_blk_handle_read(VirtIOBlockReq *req) return; } - block_acct_start(bdrv_get_stats(req->dev->bs), &req->acct, req->qiov.size, + block_acct_start(blk_get_stats(req->dev->blk), &req->acct, req->qiov.size, BLOCK_ACCT_READ); - bdrv_aio_readv(req->dev->bs, sector, &req->qiov, - req->qiov.size / BDRV_SECTOR_SIZE, - virtio_blk_rw_complete, req); + blk_aio_readv(req->dev->blk, sector, &req->qiov, + req->qiov.size / BDRV_SECTOR_SIZE, + virtio_blk_rw_complete, req); } void virtio_blk_handle_request(VirtIOBlockReq *req, MultiReqBuffer *mrb) @@ -405,7 +407,7 @@ void virtio_blk_handle_request(VirtIOBlockReq *req, MultiReqBuffer *mrb) * NB: per existing s/n string convention the string is * terminated by '\0' only when shorter than buffer. */ - const char *serial = s->blk.serial ? s->blk.serial : ""; + const char *serial = s->conf.serial ? s->conf.serial : ""; size_t size = MIN(strlen(serial) + 1, MIN(iov_size(in_iov, in_num), VIRTIO_BLK_ID_BYTES)); @@ -445,7 +447,7 @@ static void virtio_blk_handle_output(VirtIODevice *vdev, VirtQueue *vq) virtio_blk_handle_request(req, &mrb); } - virtio_submit_multiwrite(s->bs, &mrb); + virtio_submit_multiwrite(s->blk, &mrb); /* * FIXME: Want to check for completions before returning to guest mode, @@ -473,7 +475,7 @@ static void virtio_blk_dma_restart_bh(void *opaque) req = next; } - virtio_submit_multiwrite(s->bs, &mrb); + virtio_submit_multiwrite(s->blk, &mrb); } static void virtio_blk_dma_restart_cb(void *opaque, int running, @@ -486,7 +488,7 @@ static void virtio_blk_dma_restart_cb(void *opaque, int running, } if (!s->bh) { - s->bh = aio_bh_new(bdrv_get_aio_context(s->blk.conf.bs), + s->bh = aio_bh_new(blk_get_aio_context(s->conf.conf.blk), virtio_blk_dma_restart_bh, s); qemu_bh_schedule(s->bh); } @@ -504,8 +506,8 @@ static void virtio_blk_reset(VirtIODevice *vdev) * This should cancel pending requests, but can't do nicely until there * are per-device request lists. */ - bdrv_drain_all(); - bdrv_set_enable_write_cache(s->bs, s->original_wce); + blk_drain_all(); + blk_set_enable_write_cache(s->blk, s->original_wce); } /* coalesce internal state, copy to pci i/o region 0 @@ -513,19 +515,20 @@ static void virtio_blk_reset(VirtIODevice *vdev) static void virtio_blk_update_config(VirtIODevice *vdev, uint8_t *config) { VirtIOBlock *s = VIRTIO_BLK(vdev); + BlockConf *conf = &s->conf.conf; struct virtio_blk_config blkcfg; uint64_t capacity; - int blk_size = s->conf->logical_block_size; + int blk_size = conf->logical_block_size; - bdrv_get_geometry(s->bs, &capacity); + blk_get_geometry(s->blk, &capacity); memset(&blkcfg, 0, sizeof(blkcfg)); virtio_stq_p(vdev, &blkcfg.capacity, capacity); virtio_stl_p(vdev, &blkcfg.seg_max, 128 - 2); - virtio_stw_p(vdev, &blkcfg.cylinders, s->conf->cyls); + virtio_stw_p(vdev, &blkcfg.cylinders, conf->cyls); virtio_stl_p(vdev, &blkcfg.blk_size, blk_size); - virtio_stw_p(vdev, &blkcfg.min_io_size, s->conf->min_io_size / blk_size); - virtio_stw_p(vdev, &blkcfg.opt_io_size, s->conf->opt_io_size / blk_size); - blkcfg.heads = s->conf->heads; + virtio_stw_p(vdev, &blkcfg.min_io_size, conf->min_io_size / blk_size); + virtio_stw_p(vdev, &blkcfg.opt_io_size, conf->opt_io_size / blk_size); + blkcfg.heads = conf->heads; /* * We must ensure that the block device capacity is a multiple of * the logical block size. If that is not the case, let's use @@ -537,15 +540,15 @@ static void virtio_blk_update_config(VirtIODevice *vdev, uint8_t *config) * divided by 512 - instead it is the amount of blk_size blocks * per track (cylinder). */ - if (bdrv_getlength(s->bs) / s->conf->heads / s->conf->secs % blk_size) { - blkcfg.sectors = s->conf->secs & ~s->sector_mask; + if (blk_getlength(s->blk) / conf->heads / conf->secs % blk_size) { + blkcfg.sectors = conf->secs & ~s->sector_mask; } else { - blkcfg.sectors = s->conf->secs; + blkcfg.sectors = conf->secs; } blkcfg.size_max = 0; - blkcfg.physical_block_exp = get_physical_block_exp(s->conf); + blkcfg.physical_block_exp = get_physical_block_exp(conf); blkcfg.alignment_offset = 0; - blkcfg.wce = bdrv_enable_write_cache(s->bs); + blkcfg.wce = blk_enable_write_cache(s->blk); memcpy(config, &blkcfg, sizeof(struct virtio_blk_config)); } @@ -556,9 +559,9 @@ static void virtio_blk_set_config(VirtIODevice *vdev, const uint8_t *config) memcpy(&blkcfg, config, sizeof(blkcfg)); - aio_context_acquire(bdrv_get_aio_context(s->bs)); - bdrv_set_enable_write_cache(s->bs, blkcfg.wce != 0); - aio_context_release(bdrv_get_aio_context(s->bs)); + aio_context_acquire(blk_get_aio_context(s->blk)); + blk_set_enable_write_cache(s->blk, blkcfg.wce != 0); + aio_context_release(blk_get_aio_context(s->blk)); } static uint32_t virtio_blk_get_features(VirtIODevice *vdev, uint32_t features) @@ -571,14 +574,15 @@ static uint32_t virtio_blk_get_features(VirtIODevice *vdev, uint32_t features) features |= (1 << VIRTIO_BLK_F_BLK_SIZE); features |= (1 << VIRTIO_BLK_F_SCSI); - if (s->blk.config_wce) { + if (s->conf.config_wce) { features |= (1 << VIRTIO_BLK_F_CONFIG_WCE); } - if (bdrv_enable_write_cache(s->bs)) + if (blk_enable_write_cache(s->blk)) { features |= (1 << VIRTIO_BLK_F_WCE); - - if (bdrv_is_read_only(s->bs)) + } + if (blk_is_read_only(s->blk)) { features |= 1 << VIRTIO_BLK_F_RO; + } return features; } @@ -612,13 +616,13 @@ static void virtio_blk_set_status(VirtIODevice *vdev, uint8_t status) * Guest writes 1 to the WCE configuration field (writeback mode) * Guest sets DRIVER_OK bit in status field * - * s->bs would erroneously be placed in writethrough mode. + * s->blk would erroneously be placed in writethrough mode. */ if (!(features & (1 << VIRTIO_BLK_F_CONFIG_WCE))) { - aio_context_acquire(bdrv_get_aio_context(s->bs)); - bdrv_set_enable_write_cache(s->bs, - !!(features & (1 << VIRTIO_BLK_F_WCE))); - aio_context_release(bdrv_get_aio_context(s->bs)); + aio_context_acquire(blk_get_aio_context(s->blk)); + blk_set_enable_write_cache(s->blk, + !!(features & (1 << VIRTIO_BLK_F_WCE))); + aio_context_release(blk_get_aio_context(s->blk)); } } @@ -707,8 +711,8 @@ static void virtio_blk_migration_state_changed(Notifier *notifier, void *data) if (s->dataplane) { return; } - bdrv_drain_all(); /* complete in-flight non-dataplane requests */ - virtio_blk_data_plane_create(VIRTIO_DEVICE(s), &s->blk, + blk_drain_all(); /* complete in-flight non-dataplane requests */ + virtio_blk_data_plane_create(VIRTIO_DEVICE(s), &s->conf, &s->dataplane, &err); if (err != NULL) { error_report("%s", error_get_pretty(err)); @@ -721,22 +725,22 @@ static void virtio_blk_device_realize(DeviceState *dev, Error **errp) { VirtIODevice *vdev = VIRTIO_DEVICE(dev); VirtIOBlock *s = VIRTIO_BLK(dev); - VirtIOBlkConf *blk = &(s->blk); + VirtIOBlkConf *conf = &s->conf; Error *err = NULL; static int virtio_blk_id; - if (!blk->conf.bs) { + if (!conf->conf.blk) { error_setg(errp, "drive property not set"); return; } - if (!bdrv_is_inserted(blk->conf.bs)) { + if (!blk_is_inserted(conf->conf.blk)) { error_setg(errp, "Device needs media, but drive is empty"); return; } - blkconf_serial(&blk->conf, &blk->serial); - s->original_wce = bdrv_enable_write_cache(blk->conf.bs); - blkconf_geometry(&blk->conf, NULL, 65535, 255, 255, &err); + blkconf_serial(&conf->conf, &conf->serial); + s->original_wce = blk_enable_write_cache(conf->conf.blk); + blkconf_geometry(&conf->conf, NULL, 65535, 255, 255, &err); if (err) { error_propagate(errp, err); return; @@ -745,14 +749,13 @@ static void virtio_blk_device_realize(DeviceState *dev, Error **errp) virtio_init(vdev, "virtio-blk", VIRTIO_ID_BLOCK, sizeof(struct virtio_blk_config)); - s->bs = blk->conf.bs; - s->conf = &blk->conf; + s->blk = conf->conf.blk; s->rq = NULL; - s->sector_mask = (s->conf->logical_block_size / BDRV_SECTOR_SIZE) - 1; + s->sector_mask = (s->conf.conf.logical_block_size / BDRV_SECTOR_SIZE) - 1; s->vq = virtio_add_queue(vdev, 128, virtio_blk_handle_output); s->complete_request = virtio_blk_complete_request; - virtio_blk_data_plane_create(vdev, blk, &s->dataplane, &err); + virtio_blk_data_plane_create(vdev, conf, &s->dataplane, &err); if (err != NULL) { error_propagate(errp, err); virtio_cleanup(vdev); @@ -764,10 +767,10 @@ static void virtio_blk_device_realize(DeviceState *dev, Error **errp) s->change = qemu_add_vm_change_state_handler(virtio_blk_dma_restart_cb, s); register_savevm(dev, "virtio-blk", virtio_blk_id++, 2, virtio_blk_save, virtio_blk_load, s); - bdrv_set_dev_ops(s->bs, &virtio_block_ops, s); - bdrv_set_guest_block_size(s->bs, s->conf->logical_block_size); + blk_set_dev_ops(s->blk, &virtio_block_ops, s); + blk_set_guest_block_size(s->blk, s->conf.conf.logical_block_size); - bdrv_iostatus_enable(s->bs); + blk_iostatus_enable(s->blk); } static void virtio_blk_device_unrealize(DeviceState *dev, Error **errp) @@ -780,7 +783,7 @@ static void virtio_blk_device_unrealize(DeviceState *dev, Error **errp) s->dataplane = NULL; qemu_del_vm_change_state_handler(s->change); unregister_savevm(dev, "virtio-blk", s); - blockdev_mark_auto_del(s->bs); + blockdev_mark_auto_del(s->blk); virtio_cleanup(vdev); } @@ -789,23 +792,23 @@ static void virtio_blk_instance_init(Object *obj) VirtIOBlock *s = VIRTIO_BLK(obj); object_property_add_link(obj, "iothread", TYPE_IOTHREAD, - (Object **)&s->blk.iothread, + (Object **)&s->conf.iothread, qdev_prop_allow_set_link_before_realize, OBJ_PROP_LINK_UNREF_ON_RELEASE, NULL); - device_add_bootindex_property(obj, &s->blk.conf.bootindex, + device_add_bootindex_property(obj, &s->conf.conf.bootindex, "bootindex", "/disk@0,0", DEVICE(obj), NULL); } static Property virtio_blk_properties[] = { - DEFINE_BLOCK_PROPERTIES(VirtIOBlock, blk.conf), - DEFINE_BLOCK_CHS_PROPERTIES(VirtIOBlock, blk.conf), - DEFINE_PROP_STRING("serial", VirtIOBlock, blk.serial), - DEFINE_PROP_BIT("config-wce", VirtIOBlock, blk.config_wce, 0, true), + DEFINE_BLOCK_PROPERTIES(VirtIOBlock, conf.conf), + DEFINE_BLOCK_CHS_PROPERTIES(VirtIOBlock, conf.conf), + DEFINE_PROP_STRING("serial", VirtIOBlock, conf.serial), + DEFINE_PROP_BIT("config-wce", VirtIOBlock, conf.config_wce, 0, true), #ifdef __linux__ - DEFINE_PROP_BIT("scsi", VirtIOBlock, blk.scsi, 0, true), + DEFINE_PROP_BIT("scsi", VirtIOBlock, conf.scsi, 0, true), #endif - DEFINE_PROP_BIT("x-data-plane", VirtIOBlock, blk.data_plane, 0, false), + DEFINE_PROP_BIT("x-data-plane", VirtIOBlock, conf.data_plane, 0, false), DEFINE_PROP_END_OF_LIST(), }; diff --git a/hw/block/xen_disk.c b/hw/block/xen_disk.c index 0d27ab16a7..231e9a7392 100644 --- a/hw/block/xen_disk.c +++ b/hw/block/xen_disk.c @@ -39,6 +39,7 @@ #include "hw/xen/xen_backend.h" #include "xen_blkif.h" #include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" /* ------------------------------------------------------------- */ @@ -122,7 +123,7 @@ struct XenBlkDev { /* qemu block driver */ DriveInfo *dinfo; - BlockDriverState *bs; + BlockBackend *blk; QEMUBH *bh; }; @@ -479,7 +480,7 @@ static void qemu_aio_complete(void *opaque, int ret) if (ioreq->postsync) { ioreq->postsync = 0; ioreq->aio_inflight++; - bdrv_aio_flush(ioreq->blkdev->bs, qemu_aio_complete, ioreq); + blk_aio_flush(ioreq->blkdev->blk, qemu_aio_complete, ioreq); return; } @@ -493,7 +494,7 @@ static void qemu_aio_complete(void *opaque, int ret) break; } case BLKIF_OP_READ: - block_acct_done(bdrv_get_stats(ioreq->blkdev->bs), &ioreq->acct); + block_acct_done(blk_get_stats(ioreq->blkdev->blk), &ioreq->acct); break; case BLKIF_OP_DISCARD: default: @@ -512,18 +513,18 @@ static int ioreq_runio_qemu_aio(struct ioreq *ioreq) ioreq->aio_inflight++; if (ioreq->presync) { - bdrv_aio_flush(ioreq->blkdev->bs, qemu_aio_complete, ioreq); + blk_aio_flush(ioreq->blkdev->blk, qemu_aio_complete, ioreq); return 0; } switch (ioreq->req.operation) { case BLKIF_OP_READ: - block_acct_start(bdrv_get_stats(blkdev->bs), &ioreq->acct, + block_acct_start(blk_get_stats(blkdev->blk), &ioreq->acct, ioreq->v.size, BLOCK_ACCT_READ); ioreq->aio_inflight++; - bdrv_aio_readv(blkdev->bs, ioreq->start / BLOCK_SIZE, - &ioreq->v, ioreq->v.size / BLOCK_SIZE, - qemu_aio_complete, ioreq); + blk_aio_readv(blkdev->blk, ioreq->start / BLOCK_SIZE, + &ioreq->v, ioreq->v.size / BLOCK_SIZE, + qemu_aio_complete, ioreq); break; case BLKIF_OP_WRITE: case BLKIF_OP_FLUSH_DISKCACHE: @@ -531,18 +532,18 @@ static int ioreq_runio_qemu_aio(struct ioreq *ioreq) break; } - block_acct_start(bdrv_get_stats(blkdev->bs), &ioreq->acct, + block_acct_start(blk_get_stats(blkdev->blk), &ioreq->acct, ioreq->v.size, BLOCK_ACCT_WRITE); ioreq->aio_inflight++; - bdrv_aio_writev(blkdev->bs, ioreq->start / BLOCK_SIZE, - &ioreq->v, ioreq->v.size / BLOCK_SIZE, - qemu_aio_complete, ioreq); + blk_aio_writev(blkdev->blk, ioreq->start / BLOCK_SIZE, + &ioreq->v, ioreq->v.size / BLOCK_SIZE, + qemu_aio_complete, ioreq); break; case BLKIF_OP_DISCARD: { struct blkif_request_discard *discard_req = (void *)&ioreq->req; ioreq->aio_inflight++; - bdrv_aio_discard(blkdev->bs, + blk_aio_discard(blkdev->blk, discard_req->sector_number, discard_req->nr_sectors, qemu_aio_complete, ioreq); break; @@ -854,44 +855,49 @@ static int blk_connect(struct XenDevice *xendev) blkdev->dinfo = drive_get(IF_XEN, 0, index); if (!blkdev->dinfo) { Error *local_err = NULL; + BlockBackend *blk; BlockDriver *drv; + BlockDriverState *bs; /* setup via xenbus -> create new block driver instance */ xen_be_printf(&blkdev->xendev, 2, "create new bdrv (xenbus setup)\n"); - blkdev->bs = bdrv_new(blkdev->dev, NULL); - if (!blkdev->bs) { + blk = blk_new_with_bs(blkdev->dev, NULL); + if (!blk) { return -1; } + blkdev->blk = blk; + bs = blk_bs(blk); drv = bdrv_find_whitelisted_format(blkdev->fileproto, readonly); - if (bdrv_open(&blkdev->bs, blkdev->filename, NULL, NULL, qflags, + if (bdrv_open(&bs, blkdev->filename, NULL, NULL, qflags, drv, &local_err) != 0) { xen_be_printf(&blkdev->xendev, 0, "error: %s\n", error_get_pretty(local_err)); error_free(local_err); - bdrv_unref(blkdev->bs); - blkdev->bs = NULL; + blk_unref(blk); + blkdev->blk = NULL; return -1; } + assert(bs == blk_bs(blk)); } else { /* setup via qemu cmdline -> already setup for us */ xen_be_printf(&blkdev->xendev, 2, "get configured bdrv (cmdline setup)\n"); - blkdev->bs = blkdev->dinfo->bdrv; - if (bdrv_is_read_only(blkdev->bs) && !readonly) { + blkdev->blk = blk_by_legacy_dinfo(blkdev->dinfo); + if (blk_is_read_only(blkdev->blk) && !readonly) { xen_be_printf(&blkdev->xendev, 0, "Unexpected read-only drive"); - blkdev->bs = NULL; + blkdev->blk = NULL; return -1; } - /* blkdev->bs is not create by us, we get a reference - * so we can bdrv_unref() unconditionally */ - bdrv_ref(blkdev->bs); + /* blkdev->blk is not create by us, we get a reference + * so we can blk_unref() unconditionally */ + blk_ref(blkdev->blk); } - bdrv_attach_dev_nofail(blkdev->bs, blkdev); - blkdev->file_size = bdrv_getlength(blkdev->bs); + blk_attach_dev_nofail(blkdev->blk, blkdev); + blkdev->file_size = blk_getlength(blkdev->blk); if (blkdev->file_size < 0) { - xen_be_printf(&blkdev->xendev, 1, "bdrv_getlength: %d (%s) | drv %s\n", + xen_be_printf(&blkdev->xendev, 1, "blk_getlength: %d (%s) | drv %s\n", (int)blkdev->file_size, strerror(-blkdev->file_size), - bdrv_get_format_name(blkdev->bs) ?: "-"); + bdrv_get_format_name(blk_bs(blkdev->blk)) ?: "-"); blkdev->file_size = 0; } @@ -982,10 +988,10 @@ static void blk_disconnect(struct XenDevice *xendev) { struct XenBlkDev *blkdev = container_of(xendev, struct XenBlkDev, xendev); - if (blkdev->bs) { - bdrv_detach_dev(blkdev->bs, blkdev); - bdrv_unref(blkdev->bs); - blkdev->bs = NULL; + if (blkdev->blk) { + blk_detach_dev(blkdev->blk, blkdev); + blk_unref(blkdev->blk); + blkdev->blk = NULL; } xen_be_unbind_evtchn(&blkdev->xendev); @@ -1001,7 +1007,7 @@ static int blk_free(struct XenDevice *xendev) struct XenBlkDev *blkdev = container_of(xendev, struct XenBlkDev, xendev); struct ioreq *ioreq; - if (blkdev->bs || blkdev->sring) { + if (blkdev->blk || blkdev->sring) { blk_disconnect(xendev); } diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-system.c index f2bd954be5..65901ef10e 100644 --- a/hw/core/qdev-properties-system.c +++ b/hw/core/qdev-properties-system.c @@ -13,6 +13,7 @@ #include "net/net.h" #include "hw/qdev.h" #include "qapi/qmp/qerror.h" +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "hw/block/block.h" #include "net/hub.h" @@ -68,16 +69,16 @@ static void set_pointer(Object *obj, Visitor *v, Property *prop, static int parse_drive(DeviceState *dev, const char *str, void **ptr) { - BlockDriverState *bs; + BlockBackend *blk; - bs = bdrv_find(str); - if (bs == NULL) { + blk = blk_by_name(str); + if (!blk) { return -ENOENT; } - if (bdrv_attach_dev(bs, dev) < 0) { + if (blk_attach_dev(blk, dev) < 0) { return -EEXIST; } - *ptr = bs; + *ptr = blk; return 0; } @@ -85,17 +86,17 @@ static void release_drive(Object *obj, const char *name, void *opaque) { DeviceState *dev = DEVICE(obj); Property *prop = opaque; - BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop); + BlockBackend **ptr = qdev_get_prop_ptr(dev, prop); if (*ptr) { - bdrv_detach_dev(*ptr, dev); + blk_detach_dev(*ptr, dev); blockdev_auto_del(*ptr); } } static char *print_drive(void *ptr) { - return g_strdup(bdrv_get_device_name(ptr)); + return g_strdup(blk_name(ptr)); } static void get_drive(Object *obj, Visitor *v, void *opaque, @@ -335,12 +336,11 @@ PropertyInfo qdev_prop_vlan = { }; int qdev_prop_set_drive(DeviceState *dev, const char *name, - BlockDriverState *value) + BlockBackend *value) { Error *err = NULL; - const char *bdrv_name = value ? bdrv_get_device_name(value) : ""; - object_property_set_str(OBJECT(dev), bdrv_name, - name, &err); + object_property_set_str(OBJECT(dev), + value ? blk_name(value) : "", name, &err); if (err) { qerror_report_err(err); error_free(err); @@ -350,7 +350,7 @@ int qdev_prop_set_drive(DeviceState *dev, const char *name, } void qdev_prop_set_drive_nofail(DeviceState *dev, const char *name, - BlockDriverState *value) + BlockBackend *value) { if (qdev_prop_set_drive(dev, name, value) < 0) { exit(1); diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c index 2ed995f2b7..2e47f70eb4 100644 --- a/hw/core/qdev-properties.c +++ b/hw/core/qdev-properties.c @@ -1,7 +1,7 @@ #include "net/net.h" #include "hw/qdev.h" #include "qapi/qmp/qerror.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "hw/block/block.h" #include "net/hub.h" #include "qapi/visitor.h" diff --git a/hw/cris/axis_dev88.c b/hw/cris/axis_dev88.c index 2fb3aa81da..047919686d 100644 --- a/hw/cris/axis_dev88.c +++ b/hw/cris/axis_dev88.c @@ -30,7 +30,7 @@ #include "hw/loader.h" #include "elf.h" #include "boot.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "exec/address-spaces.h" #include "sysemu/qtest.h" @@ -284,7 +284,7 @@ void axisdev88_init(MachineState *machine) /* Attach a NAND flash to CS1. */ nand = drive_get(IF_MTD, 0, 0); - nand_state.nand = nand_init(nand ? nand->bdrv : NULL, + nand_state.nand = nand_init(nand ? blk_by_legacy_dinfo(nand) : NULL, NAND_MFR_STMICRO, 0x39); memory_region_init_io(&nand_state.iomem, NULL, &nand_ops, &nand_state, "nand", 0x05000000); diff --git a/hw/display/tc6393xb.c b/hw/display/tc6393xb.c index c19c055d7c..4306adc959 100644 --- a/hw/display/tc6393xb.c +++ b/hw/display/tc6393xb.c @@ -15,6 +15,7 @@ #include "hw/block/flash.h" #include "ui/console.h" #include "ui/pixel_ops.h" +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #define IRQ_TC6393_NAND 0 @@ -576,7 +577,8 @@ TC6393xbState *tc6393xb_init(MemoryRegion *sysmem, uint32_t base, qemu_irq irq) s->sub_irqs = qemu_allocate_irqs(tc6393xb_sub_irq, s, TC6393XB_NR_IRQS); nand = drive_get(IF_MTD, 0, 0); - s->flash = nand_init(nand ? nand->bdrv : NULL, NAND_MFR_TOSHIBA, 0x76); + s->flash = nand_init(nand ? blk_by_legacy_dinfo(nand) : NULL, + NAND_MFR_TOSHIBA, 0x76); memory_region_init_io(&s->iomem, NULL, &tc6393xb_ops, s, "tc6393xb", 0x10000); memory_region_add_subregion(sysmem, base, &s->iomem); diff --git a/hw/i386/pc.c b/hw/i386/pc.c index d045e8b454..61aba9fc54 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -44,7 +44,7 @@ #include "sysemu/kvm.h" #include "kvm_i386.h" #include "hw/xen/xen.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "hw/block/block.h" #include "ui/qemu-spice.h" #include "exec/memory.h" diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index 43846339bc..91a20cb8f4 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -41,7 +41,7 @@ #include "hw/sysbus.h" #include "hw/cpu/icc_bus.h" #include "sysemu/arch_init.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "hw/i2c/smbus.h" #include "hw/xen/xen.h" #include "exec/memory.h" diff --git a/hw/i386/pc_sysfw.c b/hw/i386/pc_sysfw.c index bbe367a49f..75913c5b2f 100644 --- a/hw/i386/pc_sysfw.c +++ b/hw/i386/pc_sysfw.c @@ -23,7 +23,7 @@ * THE SOFTWARE. */ -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "qemu/error-report.h" #include "hw/sysbus.h" #include "hw/hw.h" @@ -103,7 +103,7 @@ static void pc_system_flash_init(MemoryRegion *rom_memory) { int unit; DriveInfo *pflash_drv; - BlockDriverState *bdrv; + BlockBackend *blk; int64_t size; char *fatal_errmsg = NULL; hwaddr phys_addr = 0x100000000ULL; @@ -119,8 +119,8 @@ static void pc_system_flash_init(MemoryRegion *rom_memory) (unit < FLASH_MAP_UNIT_MAX && (pflash_drv = drive_get(IF_PFLASH, 0, unit)) != NULL); ++unit) { - bdrv = pflash_drv->bdrv; - size = bdrv_getlength(bdrv); + blk = blk_by_legacy_dinfo(pflash_drv); + size = blk_getlength(blk); if (size < 0) { fatal_errmsg = g_strdup_printf("failed to get backing file size"); } else if (size == 0) { @@ -156,7 +156,7 @@ static void pc_system_flash_init(MemoryRegion *rom_memory) /* pflash_cfi01_register() creates a deep copy of the name */ snprintf(name, sizeof name, "system.flash%d", unit); system_flash = pflash_cfi01_register(phys_addr, NULL /* qdev */, name, - size, bdrv, sector_size, + size, blk, sector_size, size >> sector_bits, 1 /* width */, 0x0000 /* id0 */, diff --git a/hw/i386/xen/xen_platform.c b/hw/i386/xen/xen_platform.c index 8bb18b403a..28b324a6f4 100644 --- a/hw/i386/xen/xen_platform.c +++ b/hw/i386/xen/xen_platform.c @@ -34,6 +34,7 @@ #include "hw/xen/xen_backend.h" #include "trace.h" #include "exec/address-spaces.h" +#include "sysemu/block-backend.h" #include <xenguest.h> @@ -132,8 +133,8 @@ static void platform_fixed_ioport_writew(void *opaque, uint32_t addr, uint32_t v devices, and bit 2 the non-primary-master IDE devices. */ if (val & UNPLUG_ALL_IDE_DISKS) { DPRINTF("unplug disks\n"); - bdrv_drain_all(); - bdrv_flush_all(); + blk_drain_all(); + blk_flush_all(); pci_unplug_disks(pci_dev->bus); } if (val & UNPLUG_ALL_NICS) { diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c index 063730e8df..70958e3655 100644 --- a/hw/ide/ahci.c +++ b/hw/ide/ahci.c @@ -28,6 +28,7 @@ #include <hw/sysbus.h> #include "monitor/monitor.h" +#include "sysemu/block-backend.h" #include "sysemu/dma.h" #include "internal.h" #include <hw/ide/pci.h> @@ -84,7 +85,7 @@ static uint32_t ahci_port_read(AHCIState *s, int port, int offset) val = pr->sig; break; case PORT_SCR_STAT: - if (s->dev[port].port.ifs[0].bs) { + if (s->dev[port].port.ifs[0].blk) { val = SATA_SCR_SSTATUS_DET_DEV_PRESENT_PHY_UP | SATA_SCR_SSTATUS_SPD_GEN1 | SATA_SCR_SSTATUS_IPM_ACTIVE; } else { @@ -501,7 +502,7 @@ static void ahci_reset_port(AHCIState *s, int port) d->init_d2h_sent = false; ide_state = &s->dev[port].port.ifs[0]; - if (!ide_state->bs) { + if (!ide_state->blk) { return; } @@ -513,11 +514,11 @@ static void ahci_reset_port(AHCIState *s, int port) } if (ncq_tfs->aiocb) { - bdrv_aio_cancel(ncq_tfs->aiocb); + blk_aio_cancel(ncq_tfs->aiocb); ncq_tfs->aiocb = NULL; } - /* Maybe we just finished the request thanks to bdrv_aio_cancel() */ + /* Maybe we just finished the request thanks to blk_aio_cancel() */ if (!ncq_tfs->used) { continue; } @@ -527,7 +528,7 @@ static void ahci_reset_port(AHCIState *s, int port) } s->dev[port].port_state = STATE_RUN; - if (!ide_state->bs) { + if (!ide_state->blk) { pr->sig = 0; ide_state->status = SEEK_STAT | WRERR_STAT; } else if (ide_state->drive_kind == IDE_CD) { @@ -826,7 +827,7 @@ static void ncq_cb(void *opaque, int ret) DPRINTF(ncq_tfs->drive->port_no, "NCQ transfer tag %d finished\n", ncq_tfs->tag); - block_acct_done(bdrv_get_stats(ncq_tfs->drive->port.ifs[0].bs), + block_acct_done(blk_get_stats(ncq_tfs->drive->port.ifs[0].blk), &ncq_tfs->acct); qemu_sglist_destroy(&ncq_tfs->sglist); ncq_tfs->used = 0; @@ -877,11 +878,11 @@ static void process_ncq_command(AHCIState *s, int port, uint8_t *cmd_fis, DPRINTF(port, "tag %d aio read %"PRId64"\n", ncq_tfs->tag, ncq_tfs->lba); - dma_acct_start(ncq_tfs->drive->port.ifs[0].bs, &ncq_tfs->acct, + dma_acct_start(ncq_tfs->drive->port.ifs[0].blk, &ncq_tfs->acct, &ncq_tfs->sglist, BLOCK_ACCT_READ); - ncq_tfs->aiocb = dma_bdrv_read(ncq_tfs->drive->port.ifs[0].bs, - &ncq_tfs->sglist, ncq_tfs->lba, - ncq_cb, ncq_tfs); + ncq_tfs->aiocb = dma_blk_read(ncq_tfs->drive->port.ifs[0].blk, + &ncq_tfs->sglist, ncq_tfs->lba, + ncq_cb, ncq_tfs); break; case WRITE_FPDMA_QUEUED: DPRINTF(port, "NCQ writing %d sectors to LBA %"PRId64", tag %d\n", @@ -890,11 +891,11 @@ static void process_ncq_command(AHCIState *s, int port, uint8_t *cmd_fis, DPRINTF(port, "tag %d aio write %"PRId64"\n", ncq_tfs->tag, ncq_tfs->lba); - dma_acct_start(ncq_tfs->drive->port.ifs[0].bs, &ncq_tfs->acct, + dma_acct_start(ncq_tfs->drive->port.ifs[0].blk, &ncq_tfs->acct, &ncq_tfs->sglist, BLOCK_ACCT_WRITE); - ncq_tfs->aiocb = dma_bdrv_write(ncq_tfs->drive->port.ifs[0].bs, - &ncq_tfs->sglist, ncq_tfs->lba, - ncq_cb, ncq_tfs); + ncq_tfs->aiocb = dma_blk_write(ncq_tfs->drive->port.ifs[0].blk, + &ncq_tfs->sglist, ncq_tfs->lba, + ncq_cb, ncq_tfs); break; default: DPRINTF(port, "error: tried to process non-NCQ command as NCQ\n"); @@ -943,7 +944,7 @@ static int handle_cmd(AHCIState *s, int port, int slot) /* The device we are working for */ ide_state = &s->dev[port].port.ifs[0]; - if (!ide_state->bs) { + if (!ide_state->blk) { DPRINTF(port, "error: guest accessed unused port"); goto out; } @@ -1122,7 +1123,7 @@ out: } static void ahci_start_dma(IDEDMA *dma, IDEState *s, - BlockDriverCompletionFunc *dma_cb) + BlockCompletionFunc *dma_cb) { #ifdef DEBUG_AHCI AHCIDevice *ad = DO_UPCAST(AHCIDevice, dma, dma); diff --git a/hw/ide/ahci.h b/hw/ide/ahci.h index e223258820..e8ea34a1df 100644 --- a/hw/ide/ahci.h +++ b/hw/ide/ahci.h @@ -241,7 +241,7 @@ typedef struct AHCIDevice AHCIDevice; typedef struct NCQTransferState { AHCIDevice *drive; - BlockDriverAIOCB *aiocb; + BlockAIOCB *aiocb; QEMUSGList sglist; BlockAcctCookie acct; uint16_t sector_count; diff --git a/hw/ide/atapi.c b/hw/ide/atapi.c index 10218dfa3a..c63b7e556e 100644 --- a/hw/ide/atapi.c +++ b/hw/ide/atapi.c @@ -25,6 +25,7 @@ #include "hw/ide/internal.h" #include "hw/scsi/scsi.h" +#include "sysemu/block-backend.h" static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret); @@ -110,16 +111,16 @@ static int cd_read_sector(IDEState *s, int lba, uint8_t *buf, int sector_size) switch(sector_size) { case 2048: - block_acct_start(bdrv_get_stats(s->bs), &s->acct, + block_acct_start(blk_get_stats(s->blk), &s->acct, 4 * BDRV_SECTOR_SIZE, BLOCK_ACCT_READ); - ret = bdrv_read(s->bs, (int64_t)lba << 2, buf, 4); - block_acct_done(bdrv_get_stats(s->bs), &s->acct); + ret = blk_read(s->blk, (int64_t)lba << 2, buf, 4); + block_acct_done(blk_get_stats(s->blk), &s->acct); break; case 2352: - block_acct_start(bdrv_get_stats(s->bs), &s->acct, + block_acct_start(blk_get_stats(s->blk), &s->acct, 4 * BDRV_SECTOR_SIZE, BLOCK_ACCT_READ); - ret = bdrv_read(s->bs, (int64_t)lba << 2, buf + 16, 4); - block_acct_done(bdrv_get_stats(s->bs), &s->acct); + ret = blk_read(s->blk, (int64_t)lba << 2, buf + 16, 4); + block_acct_done(blk_get_stats(s->blk), &s->acct); if (ret < 0) return ret; cd_data_to_raw(buf, lba); @@ -254,7 +255,7 @@ static void ide_atapi_cmd_reply(IDEState *s, int size, int max_size) s->io_buffer_index = 0; if (s->atapi_dma) { - block_acct_start(bdrv_get_stats(s->bs), &s->acct, size, + block_acct_start(blk_get_stats(s->blk), &s->acct, size, BLOCK_ACCT_READ); s->status = READY_STAT | SEEK_STAT | DRQ_STAT; ide_start_dma(s, ide_atapi_cmd_read_dma_cb); @@ -350,13 +351,13 @@ static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret) s->bus->dma->iov.iov_len = n * 4 * 512; qemu_iovec_init_external(&s->bus->dma->qiov, &s->bus->dma->iov, 1); - s->bus->dma->aiocb = bdrv_aio_readv(s->bs, (int64_t)s->lba << 2, + s->bus->dma->aiocb = blk_aio_readv(s->blk, (int64_t)s->lba << 2, &s->bus->dma->qiov, n * 4, ide_atapi_cmd_read_dma_cb, s); return; eot: - block_acct_done(bdrv_get_stats(s->bs), &s->acct); + block_acct_done(blk_get_stats(s->blk), &s->acct); ide_set_inactive(s, false); } @@ -371,7 +372,7 @@ static void ide_atapi_cmd_read_dma(IDEState *s, int lba, int nb_sectors, s->io_buffer_size = 0; s->cd_sector_size = sector_size; - block_acct_start(bdrv_get_stats(s->bs), &s->acct, s->packet_transfer_size, + block_acct_start(blk_get_stats(s->blk), &s->acct, s->packet_transfer_size, BLOCK_ACCT_READ); /* XXX: check if BUSY_STAT should be set */ @@ -504,7 +505,7 @@ static unsigned int event_status_media(IDEState *s, media_status = 0; if (s->tray_open) { media_status = MS_TRAY_OPEN; - } else if (bdrv_is_inserted(s->bs)) { + } else if (blk_is_inserted(s->blk)) { media_status = MS_MEDIA_PRESENT; } @@ -800,7 +801,7 @@ static void cmd_test_unit_ready(IDEState *s, uint8_t *buf) static void cmd_prevent_allow_medium_removal(IDEState *s, uint8_t* buf) { s->tray_locked = buf[4] & 1; - bdrv_lock_medium(s->bs, buf[4] & 1); + blk_lock_medium(s->blk, buf[4] & 1); ide_atapi_cmd_ok(s); } @@ -884,14 +885,14 @@ static void cmd_start_stop_unit(IDEState *s, uint8_t* buf) if (loej) { if (!start && !s->tray_open && s->tray_locked) { - sense = bdrv_is_inserted(s->bs) + sense = blk_is_inserted(s->blk) ? NOT_READY : ILLEGAL_REQUEST; ide_atapi_cmd_error(s, sense, ASC_MEDIA_REMOVAL_PREVENTED); return; } if (s->tray_open != !start) { - bdrv_eject(s->bs, !start); + blk_eject(s->blk, !start); s->tray_open = !start; } } @@ -1125,7 +1126,7 @@ void ide_atapi_cmd(IDEState *s) * states rely on this behavior. */ if (!(atapi_cmd_table[s->io_buffer[0]].flags & ALLOW_UA) && - !s->tray_open && bdrv_is_inserted(s->bs) && s->cdrom_changed) { + !s->tray_open && blk_is_inserted(s->blk) && s->cdrom_changed) { if (s->cdrom_changed == 1) { ide_atapi_cmd_error(s, NOT_READY, ASC_MEDIUM_NOT_PRESENT); @@ -1140,7 +1141,7 @@ void ide_atapi_cmd(IDEState *s) /* Report a Not Ready condition if appropriate for the command */ if ((atapi_cmd_table[s->io_buffer[0]].flags & CHECK_READY) && - (!media_present(s) || !bdrv_is_inserted(s->bs))) + (!media_present(s) || !blk_is_inserted(s->blk))) { ide_atapi_cmd_error(s, NOT_READY, ASC_MEDIUM_NOT_PRESENT); return; diff --git a/hw/ide/cmd646.c b/hw/ide/cmd646.c index 91048f202f..c8b0322155 100644 --- a/hw/ide/cmd646.c +++ b/hw/ide/cmd646.c @@ -26,7 +26,7 @@ #include <hw/i386/pc.h> #include <hw/pci/pci.h> #include <hw/isa/isa.h> -#include "block/block.h" +#include "sysemu/block-backend.h" #include "sysemu/sysemu.h" #include "sysemu/dma.h" diff --git a/hw/ide/core.c b/hw/ide/core.c index ae85428864..44e3d502d4 100644 --- a/hw/ide/core.c +++ b/hw/ide/core.c @@ -31,7 +31,7 @@ #include "sysemu/sysemu.h" #include "sysemu/dma.h" #include "hw/block/block.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include <hw/ide/internal.h> @@ -158,10 +158,11 @@ static void ide_identify(IDEState *s) put_le16(p + 84, (1 << 14) | 0); } /* 14 = NOP supported, 5=WCACHE enabled, 0=SMART feature set enabled */ - if (bdrv_enable_write_cache(s->bs)) - put_le16(p + 85, (1 << 14) | (1 << 5) | 1); - else - put_le16(p + 85, (1 << 14) | 1); + if (blk_enable_write_cache(s->blk)) { + put_le16(p + 85, (1 << 14) | (1 << 5) | 1); + } else { + put_le16(p + 85, (1 << 14) | 1); + } /* 13=flush_cache_ext,12=flush_cache,10=lba48 */ put_le16(p + 86, (1 << 13) | (1 <<12) | (1 << 10)); /* 14=set to 1, 8=has WWN, 1=SMART self test, 0=SMART error logging */ @@ -350,7 +351,7 @@ static void ide_set_signature(IDEState *s) if (s->drive_kind == IDE_CD) { s->lcyl = 0x14; s->hcyl = 0xeb; - } else if (s->bs) { + } else if (s->blk) { s->lcyl = 0; s->hcyl = 0; } else { @@ -360,15 +361,16 @@ static void ide_set_signature(IDEState *s) } typedef struct TrimAIOCB { - BlockDriverAIOCB common; + BlockAIOCB common; + BlockBackend *blk; QEMUBH *bh; int ret; QEMUIOVector *qiov; - BlockDriverAIOCB *aiocb; + BlockAIOCB *aiocb; int i, j; } TrimAIOCB; -static void trim_aio_cancel(BlockDriverAIOCB *acb) +static void trim_aio_cancel(BlockAIOCB *acb) { TrimAIOCB *iocb = container_of(acb, TrimAIOCB, common); @@ -379,7 +381,7 @@ static void trim_aio_cancel(BlockDriverAIOCB *acb) iocb->ret = -ECANCELED; if (iocb->aiocb) { - bdrv_aio_cancel_async(iocb->aiocb); + blk_aio_cancel_async(iocb->aiocb); iocb->aiocb = NULL; } } @@ -420,8 +422,8 @@ static void ide_issue_trim_cb(void *opaque, int ret) } /* Got an entry! Submit and exit. */ - iocb->aiocb = bdrv_aio_discard(iocb->common.bs, sector, count, - ide_issue_trim_cb, opaque); + iocb->aiocb = blk_aio_discard(iocb->blk, sector, count, + ide_issue_trim_cb, opaque); return; } @@ -438,13 +440,14 @@ static void ide_issue_trim_cb(void *opaque, int ret) } } -BlockDriverAIOCB *ide_issue_trim(BlockDriverState *bs, +BlockAIOCB *ide_issue_trim(BlockBackend *blk, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { TrimAIOCB *iocb; - iocb = qemu_aio_get(&trim_aiocb_info, bs, cb, opaque); + iocb = blk_aio_get(&trim_aiocb_info, blk, cb, opaque); + iocb->blk = blk; iocb->bh = qemu_bh_new(ide_trim_bh_cb, iocb); iocb->ret = 0; iocb->qiov = qiov; @@ -551,7 +554,7 @@ static bool ide_sect_range_ok(IDEState *s, { uint64_t total_sectors; - bdrv_get_geometry(s->bs, &total_sectors); + blk_get_geometry(s->blk, &total_sectors); if (sector > total_sectors || nb_sectors > total_sectors - sector) { return false; } @@ -569,7 +572,7 @@ static void ide_sector_read_cb(void *opaque, int ret) if (ret == -ECANCELED) { return; } - block_acct_done(bdrv_get_stats(s->bs), &s->acct); + block_acct_done(blk_get_stats(s->blk), &s->acct); if (ret != 0) { if (ide_handle_rw_error(s, -ret, IDE_RETRY_PIO | IDE_RETRY_READ)) { @@ -625,10 +628,10 @@ void ide_sector_read(IDEState *s) s->iov.iov_len = n * BDRV_SECTOR_SIZE; qemu_iovec_init_external(&s->qiov, &s->iov, 1); - block_acct_start(bdrv_get_stats(s->bs), &s->acct, + block_acct_start(blk_get_stats(s->blk), &s->acct, n * BDRV_SECTOR_SIZE, BLOCK_ACCT_READ); - s->pio_aiocb = bdrv_aio_readv(s->bs, sector_num, &s->qiov, n, - ide_sector_read_cb, s); + s->pio_aiocb = blk_aio_readv(s->blk, sector_num, &s->qiov, n, + ide_sector_read_cb, s); } static void dma_buf_commit(IDEState *s) @@ -655,7 +658,7 @@ void ide_dma_error(IDEState *s) static int ide_handle_rw_error(IDEState *s, int error, int op) { bool is_read = (op & IDE_RETRY_READ) != 0; - BlockErrorAction action = bdrv_get_error_action(s->bs, is_read, error); + BlockErrorAction action = blk_get_error_action(s->blk, is_read, error); if (action == BLOCK_ERROR_ACTION_STOP) { s->bus->dma->ops->set_unit(s->bus->dma, s->unit); @@ -668,7 +671,7 @@ static int ide_handle_rw_error(IDEState *s, int error, int op) ide_rw_error(s); } } - bdrv_error_action(s->bs, action, is_read, error); + blk_error_action(s->blk, action, is_read, error); return action != BLOCK_ERROR_ACTION_IGNORE; } @@ -744,24 +747,24 @@ void ide_dma_cb(void *opaque, int ret) switch (s->dma_cmd) { case IDE_DMA_READ: - s->bus->dma->aiocb = dma_bdrv_read(s->bs, &s->sg, sector_num, - ide_dma_cb, s); + s->bus->dma->aiocb = dma_blk_read(s->blk, &s->sg, sector_num, + ide_dma_cb, s); break; case IDE_DMA_WRITE: - s->bus->dma->aiocb = dma_bdrv_write(s->bs, &s->sg, sector_num, - ide_dma_cb, s); + s->bus->dma->aiocb = dma_blk_write(s->blk, &s->sg, sector_num, + ide_dma_cb, s); break; case IDE_DMA_TRIM: - s->bus->dma->aiocb = dma_bdrv_io(s->bs, &s->sg, sector_num, - ide_issue_trim, ide_dma_cb, s, - DMA_DIRECTION_TO_DEVICE); + s->bus->dma->aiocb = dma_blk_io(s->blk, &s->sg, sector_num, + ide_issue_trim, ide_dma_cb, s, + DMA_DIRECTION_TO_DEVICE); break; } return; eot: if (s->dma_cmd == IDE_DMA_READ || s->dma_cmd == IDE_DMA_WRITE) { - block_acct_done(bdrv_get_stats(s->bs), &s->acct); + block_acct_done(blk_get_stats(s->blk), &s->acct); } ide_set_inactive(s, stay_active); } @@ -775,11 +778,11 @@ static void ide_sector_start_dma(IDEState *s, enum ide_dma_cmd dma_cmd) switch (dma_cmd) { case IDE_DMA_READ: - block_acct_start(bdrv_get_stats(s->bs), &s->acct, + block_acct_start(blk_get_stats(s->blk), &s->acct, s->nsector * BDRV_SECTOR_SIZE, BLOCK_ACCT_READ); break; case IDE_DMA_WRITE: - block_acct_start(bdrv_get_stats(s->bs), &s->acct, + block_acct_start(blk_get_stats(s->blk), &s->acct, s->nsector * BDRV_SECTOR_SIZE, BLOCK_ACCT_WRITE); break; default: @@ -789,7 +792,7 @@ static void ide_sector_start_dma(IDEState *s, enum ide_dma_cmd dma_cmd) ide_start_dma(s, ide_dma_cb); } -void ide_start_dma(IDEState *s, BlockDriverCompletionFunc *cb) +void ide_start_dma(IDEState *s, BlockCompletionFunc *cb) { if (s->bus->dma->ops->start_dma) { s->bus->dma->ops->start_dma(s->bus->dma, s, cb); @@ -810,7 +813,7 @@ static void ide_sector_write_cb(void *opaque, int ret) if (ret == -ECANCELED) { return; } - block_acct_done(bdrv_get_stats(s->bs), &s->acct); + block_acct_done(blk_get_stats(s->blk), &s->acct); s->pio_aiocb = NULL; s->status &= ~BUSY_STAT; @@ -877,10 +880,10 @@ void ide_sector_write(IDEState *s) s->iov.iov_len = n * BDRV_SECTOR_SIZE; qemu_iovec_init_external(&s->qiov, &s->iov, 1); - block_acct_start(bdrv_get_stats(s->bs), &s->acct, + block_acct_start(blk_get_stats(s->blk), &s->acct, n * BDRV_SECTOR_SIZE, BLOCK_ACCT_READ); - s->pio_aiocb = bdrv_aio_writev(s->bs, sector_num, &s->qiov, n, - ide_sector_write_cb, s); + s->pio_aiocb = blk_aio_writev(s->blk, sector_num, &s->qiov, n, + ide_sector_write_cb, s); } static void ide_flush_cb(void *opaque, int ret) @@ -899,8 +902,8 @@ static void ide_flush_cb(void *opaque, int ret) } } - if (s->bs) { - block_acct_done(bdrv_get_stats(s->bs), &s->acct); + if (s->blk) { + block_acct_done(blk_get_stats(s->blk), &s->acct); } s->status = READY_STAT | SEEK_STAT; ide_cmd_done(s); @@ -909,14 +912,14 @@ static void ide_flush_cb(void *opaque, int ret) void ide_flush_cache(IDEState *s) { - if (s->bs == NULL) { + if (s->blk == NULL) { ide_flush_cb(s, 0); return; } s->status |= BUSY_STAT; - block_acct_start(bdrv_get_stats(s->bs), &s->acct, 0, BLOCK_ACCT_FLUSH); - s->pio_aiocb = bdrv_aio_flush(s->bs, ide_flush_cb, s); + block_acct_start(blk_get_stats(s->blk), &s->acct, 0, BLOCK_ACCT_FLUSH); + s->pio_aiocb = blk_aio_flush(s->blk, ide_flush_cb, s); } static void ide_cfata_metadata_inquiry(IDEState *s) @@ -979,7 +982,7 @@ static void ide_cd_change_cb(void *opaque, bool load) uint64_t nb_sectors; s->tray_open = !load; - bdrv_get_geometry(s->bs, &nb_sectors); + blk_get_geometry(s->blk, &nb_sectors); s->nb_sectors = nb_sectors; /* @@ -1113,7 +1116,7 @@ static bool cmd_data_set_management(IDEState *s, uint8_t cmd) { switch (s->feature) { case DSM_TRIM: - if (s->bs) { + if (s->blk) { ide_sector_start_dma(s, IDE_DMA_TRIM); return false; } @@ -1126,7 +1129,7 @@ static bool cmd_data_set_management(IDEState *s, uint8_t cmd) static bool cmd_identify(IDEState *s, uint8_t cmd) { - if (s->bs && s->drive_kind != IDE_CD) { + if (s->blk && s->drive_kind != IDE_CD) { if (s->drive_kind != IDE_CFATA) { ide_identify(s); } else { @@ -1176,7 +1179,7 @@ static bool cmd_read_multiple(IDEState *s, uint8_t cmd) { bool lba48 = (cmd == WIN_MULTREAD_EXT); - if (!s->bs || !s->mult_sectors) { + if (!s->blk || !s->mult_sectors) { ide_abort_command(s); return true; } @@ -1192,7 +1195,7 @@ static bool cmd_write_multiple(IDEState *s, uint8_t cmd) bool lba48 = (cmd == WIN_MULTWRITE_EXT); int n; - if (!s->bs || !s->mult_sectors) { + if (!s->blk || !s->mult_sectors) { ide_abort_command(s); return true; } @@ -1220,7 +1223,7 @@ static bool cmd_read_pio(IDEState *s, uint8_t cmd) return true; } - if (!s->bs) { + if (!s->blk) { ide_abort_command(s); return true; } @@ -1236,7 +1239,7 @@ static bool cmd_write_pio(IDEState *s, uint8_t cmd) { bool lba48 = (cmd == WIN_WRITE_EXT); - if (!s->bs) { + if (!s->blk) { ide_abort_command(s); return true; } @@ -1256,7 +1259,7 @@ static bool cmd_read_dma(IDEState *s, uint8_t cmd) { bool lba48 = (cmd == WIN_READDMA_EXT); - if (!s->bs) { + if (!s->blk) { ide_abort_command(s); return true; } @@ -1271,7 +1274,7 @@ static bool cmd_write_dma(IDEState *s, uint8_t cmd) { bool lba48 = (cmd == WIN_WRITEDMA_EXT); - if (!s->bs) { + if (!s->blk) { ide_abort_command(s); return true; } @@ -1322,7 +1325,7 @@ static bool cmd_set_features(IDEState *s, uint8_t cmd) { uint16_t *identify_data; - if (!s->bs) { + if (!s->blk) { ide_abort_command(s); return true; } @@ -1330,12 +1333,12 @@ static bool cmd_set_features(IDEState *s, uint8_t cmd) /* XXX: valid for CDROM ? */ switch (s->feature) { case 0x02: /* write cache enable */ - bdrv_set_enable_write_cache(s->bs, true); + blk_set_enable_write_cache(s->blk, true); identify_data = (uint16_t *)s->identify_data; put_le16(identify_data + 85, (1 << 14) | (1 << 5) | 1); return true; case 0x82: /* write cache disable */ - bdrv_set_enable_write_cache(s->bs, false); + blk_set_enable_write_cache(s->blk, false); identify_data = (uint16_t *)s->identify_data; put_le16(identify_data + 85, (1 << 14) | 1); ide_flush_cache(s); @@ -1802,8 +1805,9 @@ void ide_exec_cmd(IDEBus *bus, uint32_t val) #endif s = idebus_active_if(bus); /* ignore commands to non existent slave */ - if (s != bus->ifs && !s->bs) + if (s != bus->ifs && !s->blk) { return; + } /* Only DEVICE RESET is allowed while BSY or/and DRQ are set */ if ((s->status & (BUSY_STAT|DRQ_STAT)) && val != WIN_DEVICE_RESET) @@ -1848,59 +1852,66 @@ uint32_t ide_ioport_read(void *opaque, uint32_t addr1) ret = 0xff; break; case 1: - if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || - (s != bus->ifs && !s->bs)) + if ((!bus->ifs[0].blk && !bus->ifs[1].blk) || + (s != bus->ifs && !s->blk)) { ret = 0; - else if (!hob) + } else if (!hob) { ret = s->error; - else + } else { ret = s->hob_feature; + } break; case 2: - if (!bus->ifs[0].bs && !bus->ifs[1].bs) + if (!bus->ifs[0].blk && !bus->ifs[1].blk) { ret = 0; - else if (!hob) + } else if (!hob) { ret = s->nsector & 0xff; - else + } else { ret = s->hob_nsector; + } break; case 3: - if (!bus->ifs[0].bs && !bus->ifs[1].bs) + if (!bus->ifs[0].blk && !bus->ifs[1].blk) { ret = 0; - else if (!hob) + } else if (!hob) { ret = s->sector; - else + } else { ret = s->hob_sector; + } break; case 4: - if (!bus->ifs[0].bs && !bus->ifs[1].bs) + if (!bus->ifs[0].blk && !bus->ifs[1].blk) { ret = 0; - else if (!hob) + } else if (!hob) { ret = s->lcyl; - else + } else { ret = s->hob_lcyl; + } break; case 5: - if (!bus->ifs[0].bs && !bus->ifs[1].bs) + if (!bus->ifs[0].blk && !bus->ifs[1].blk) { ret = 0; - else if (!hob) + } else if (!hob) { ret = s->hcyl; - else + } else { ret = s->hob_hcyl; + } break; case 6: - if (!bus->ifs[0].bs && !bus->ifs[1].bs) + if (!bus->ifs[0].blk && !bus->ifs[1].blk) { ret = 0; - else + } else { ret = s->select; + } break; default: case 7: - if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || - (s != bus->ifs && !s->bs)) + if ((!bus->ifs[0].blk && !bus->ifs[1].blk) || + (s != bus->ifs && !s->blk)) { ret = 0; - else + } else { ret = s->status; + } qemu_irq_lower(bus->irq); break; } @@ -1916,11 +1927,12 @@ uint32_t ide_status_read(void *opaque, uint32_t addr) IDEState *s = idebus_active_if(bus); int ret; - if ((!bus->ifs[0].bs && !bus->ifs[1].bs) || - (s != bus->ifs && !s->bs)) + if ((!bus->ifs[0].blk && !bus->ifs[1].blk) || + (s != bus->ifs && !s->blk)) { ret = 0; - else + } else { ret = s->status; + } #ifdef DEBUG_IDE printf("ide: read status addr=0x%x val=%02x\n", addr, ret); #endif @@ -2081,7 +2093,7 @@ static void ide_reset(IDEState *s) #endif if (s->pio_aiocb) { - bdrv_aio_cancel(s->pio_aiocb); + blk_aio_cancel(s->pio_aiocb); s->pio_aiocb = NULL; } @@ -2145,7 +2157,7 @@ void ide_bus_reset(IDEBus *bus) #ifdef DEBUG_AIO printf("aio_cancel\n"); #endif - bdrv_aio_cancel(bus->dma->aiocb); + blk_aio_cancel(bus->dma->aiocb); bus->dma->aiocb = NULL; } @@ -2174,7 +2186,7 @@ static void ide_resize_cb(void *opaque) return; } - bdrv_get_geometry(s->bs, &nb_sectors); + blk_get_geometry(s->blk, &nb_sectors); s->nb_sectors = nb_sectors; /* Update the identify data buffer. */ @@ -2198,7 +2210,7 @@ static const BlockDevOps ide_hd_block_ops = { .resize_cb = ide_resize_cb, }; -int ide_init_drive(IDEState *s, BlockDriverState *bs, IDEDriveKind kind, +int ide_init_drive(IDEState *s, BlockBackend *blk, IDEDriveKind kind, const char *version, const char *serial, const char *model, uint64_t wwn, uint32_t cylinders, uint32_t heads, uint32_t secs, @@ -2206,10 +2218,10 @@ int ide_init_drive(IDEState *s, BlockDriverState *bs, IDEDriveKind kind, { uint64_t nb_sectors; - s->bs = bs; + s->blk = blk; s->drive_kind = kind; - bdrv_get_geometry(bs, &nb_sectors); + blk_get_geometry(blk, &nb_sectors); s->cylinders = cylinders; s->heads = heads; s->sectors = secs; @@ -2223,18 +2235,18 @@ int ide_init_drive(IDEState *s, BlockDriverState *bs, IDEDriveKind kind, s->smart_errors = 0; s->smart_selftest_count = 0; if (kind == IDE_CD) { - bdrv_set_dev_ops(bs, &ide_cd_block_ops, s); - bdrv_set_guest_block_size(bs, 2048); + blk_set_dev_ops(blk, &ide_cd_block_ops, s); + blk_set_guest_block_size(blk, 2048); } else { - if (!bdrv_is_inserted(s->bs)) { + if (!blk_is_inserted(s->blk)) { error_report("Device needs media, but drive is empty"); return -1; } - if (bdrv_is_read_only(bs)) { + if (blk_is_read_only(blk)) { error_report("Can't use a read-only drive"); return -1; } - bdrv_set_dev_ops(bs, &ide_hd_block_ops, s); + blk_set_dev_ops(blk, &ide_hd_block_ops, s); } if (serial) { pstrcpy(s->drive_serial_str, sizeof(s->drive_serial_str), serial); @@ -2265,7 +2277,7 @@ int ide_init_drive(IDEState *s, BlockDriverState *bs, IDEDriveKind kind, } ide_reset(s); - bdrv_iostatus_enable(bs); + blk_iostatus_enable(blk); return 0; } @@ -2282,7 +2294,7 @@ static void ide_init1(IDEBus *bus, int unit) s->io_buffer = qemu_memalign(2048, s->io_buffer_total_len); memset(s->io_buffer, 0, s->io_buffer_total_len); - s->smart_selftest_data = qemu_blockalign(s->bs, 512); + s->smart_selftest_data = blk_blockalign(s->blk, 512); memset(s->smart_selftest_data, 0, 512); s->sector_write_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, @@ -2377,7 +2389,7 @@ static int ide_drive_post_load(void *opaque, int version_id) IDEState *s = opaque; if (s->identify_set) { - bdrv_set_enable_write_cache(s->bs, !!(s->identify_data[85] & (1 << 5))); + blk_set_enable_write_cache(s->blk, !!(s->identify_data[85] & (1 << 5))); } return 0; } diff --git a/hw/ide/ich.c b/hw/ide/ich.c index 8eb77a1472..fb1d095503 100644 --- a/hw/ide/ich.c +++ b/hw/ide/ich.c @@ -65,7 +65,7 @@ #include <hw/i386/pc.h> #include <hw/pci/pci.h> #include <hw/isa/isa.h> -#include "block/block.h" +#include "sysemu/block-backend.h" #include "sysemu/dma.h" #include <hw/ide/pci.h> diff --git a/hw/ide/internal.h b/hw/ide/internal.h index 5c19f79437..68ac610d6f 100644 --- a/hw/ide/internal.h +++ b/hw/ide/internal.h @@ -319,7 +319,7 @@ typedef enum { IDE_HD, IDE_CD, IDE_CFATA } IDEDriveKind; typedef void EndTransferFunc(IDEState *); -typedef void DMAStartFunc(IDEDMA *, IDEState *, BlockDriverCompletionFunc *); +typedef void DMAStartFunc(IDEDMA *, IDEState *, BlockCompletionFunc *); typedef void DMAVoidFunc(IDEDMA *); typedef int DMAIntFunc(IDEDMA *, int); typedef void DMAStopFunc(IDEDMA *, bool); @@ -373,7 +373,7 @@ struct IDEState { /* set for lba48 access */ uint8_t lba48; - BlockDriverState *bs; + BlockBackend *blk; char version[9]; /* ATAPI specific */ struct unreported_events events; @@ -389,7 +389,7 @@ struct IDEState { int cd_sector_size; int atapi_dma; /* true if dma is requested for the packet cmd */ BlockAcctCookie acct; - BlockDriverAIOCB *pio_aiocb; + BlockAIOCB *pio_aiocb; struct iovec iov; QEMUIOVector qiov; /* ATA DMA state */ @@ -442,7 +442,7 @@ struct IDEDMA { const struct IDEDMAOps *ops; struct iovec iov; QEMUIOVector qiov; - BlockDriverAIOCB *aiocb; + BlockAIOCB *aiocb; }; struct IDEBus { @@ -521,7 +521,7 @@ void ide_bus_reset(IDEBus *bus); int64_t ide_get_sector(IDEState *s); void ide_set_sector(IDEState *s, int64_t sector_num); -void ide_start_dma(IDEState *s, BlockDriverCompletionFunc *cb); +void ide_start_dma(IDEState *s, BlockCompletionFunc *cb); void ide_dma_error(IDEState *s); void ide_atapi_cmd_ok(IDEState *s); @@ -537,7 +537,7 @@ uint32_t ide_data_readw(void *opaque, uint32_t addr); void ide_data_writel(void *opaque, uint32_t addr, uint32_t val); uint32_t ide_data_readl(void *opaque, uint32_t addr); -int ide_init_drive(IDEState *s, BlockDriverState *bs, IDEDriveKind kind, +int ide_init_drive(IDEState *s, BlockBackend *blk, IDEDriveKind kind, const char *version, const char *serial, const char *model, uint64_t wwn, uint32_t cylinders, uint32_t heads, uint32_t secs, @@ -555,9 +555,9 @@ void ide_transfer_start(IDEState *s, uint8_t *buf, int size, EndTransferFunc *end_transfer_func); void ide_transfer_stop(IDEState *s); void ide_set_inactive(IDEState *s, bool more); -BlockDriverAIOCB *ide_issue_trim(BlockDriverState *bs, +BlockAIOCB *ide_issue_trim(BlockBackend *blk, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque); + BlockCompletionFunc *cb, void *opaque); /* hw/ide/atapi.c */ void ide_atapi_cmd(IDEState *s); diff --git a/hw/ide/isa.c b/hw/ide/isa.c index 4cbcb1cdf2..b084162ddc 100644 --- a/hw/ide/isa.c +++ b/hw/ide/isa.c @@ -25,7 +25,7 @@ #include <hw/hw.h> #include <hw/i386/pc.h> #include <hw/isa/isa.h> -#include "block/block.h" +#include "sysemu/block-backend.h" #include "sysemu/dma.h" #include <hw/ide/internal.h> diff --git a/hw/ide/macio.c b/hw/ide/macio.c index cefc85cf12..9a55407059 100644 --- a/hw/ide/macio.c +++ b/hw/ide/macio.c @@ -25,7 +25,7 @@ #include "hw/hw.h" #include "hw/ppc/mac.h" #include "hw/ppc/mac_dbdma.h" -#include "block/block.h" +#include "sysemu/block-backend.h" #include "sysemu/dma.h" #include <hw/ide/internal.h> @@ -134,7 +134,7 @@ static void pmac_ide_atapi_transfer_cb(void *opaque, int ret) MACIO_DPRINTF("precopying unaligned %d bytes to %#" HWADDR_PRIx "\n", unaligned, io->addr + io->len - unaligned); - bdrv_read(s->bs, sector_num + nsector, io->remainder, 1); + blk_read(s->blk, sector_num + nsector, io->remainder, 1); cpu_physical_memory_write(io->addr + io->len - unaligned, io->remainder, unaligned); @@ -164,14 +164,14 @@ static void pmac_ide_atapi_transfer_cb(void *opaque, int ret) (s->lba << 2) + (s->io_buffer_index >> 9), s->packet_transfer_size, s->dma_cmd); - m->aiocb = dma_bdrv_read(s->bs, &s->sg, - (int64_t)(s->lba << 2) + (s->io_buffer_index >> 9), - pmac_ide_atapi_transfer_cb, io); + m->aiocb = dma_blk_read(s->blk, &s->sg, + (int64_t)(s->lba << 2) + (s->io_buffer_index >> 9), + pmac_ide_atapi_transfer_cb, io); return; done: MACIO_DPRINTF("done DMA\n"); - block_acct_done(bdrv_get_stats(s->bs), &s->acct); + block_acct_done(blk_get_stats(s->blk), &s->acct); io->dma_end(opaque); } @@ -254,8 +254,8 @@ static void pmac_ide_transfer_cb(void *opaque, int ret) qemu_iovec_reset(&io->iov); qemu_iovec_add(&io->iov, io->remainder, 0x200); - m->aiocb = bdrv_aio_writev(s->bs, sector_num - 1, &io->iov, 1, - pmac_ide_transfer_cb, io); + m->aiocb = blk_aio_writev(s->blk, sector_num - 1, &io->iov, 1, + pmac_ide_transfer_cb, io); } } @@ -294,8 +294,8 @@ static void pmac_ide_transfer_cb(void *opaque, int ret) qemu_iovec_reset(&io->iov); qemu_iovec_add(&io->iov, io->remainder, 0x200); - m->aiocb = bdrv_aio_readv(s->bs, sector_num + nsector, &io->iov, 1, - pmac_ide_transfer_cb, io); + m->aiocb = blk_aio_readv(s->blk, sector_num + nsector, &io->iov, 1, + pmac_ide_transfer_cb, io); break; case IDE_DMA_WRITE: /* cache the contents in our io struct */ @@ -333,17 +333,17 @@ static void pmac_ide_transfer_cb(void *opaque, int ret) switch (s->dma_cmd) { case IDE_DMA_READ: - m->aiocb = dma_bdrv_read(s->bs, &s->sg, sector_num, - pmac_ide_transfer_cb, io); + m->aiocb = dma_blk_read(s->blk, &s->sg, sector_num, + pmac_ide_transfer_cb, io); break; case IDE_DMA_WRITE: - m->aiocb = dma_bdrv_write(s->bs, &s->sg, sector_num, - pmac_ide_transfer_cb, io); + m->aiocb = dma_blk_write(s->blk, &s->sg, sector_num, + pmac_ide_transfer_cb, io); break; case IDE_DMA_TRIM: - m->aiocb = dma_bdrv_io(s->bs, &s->sg, sector_num, - ide_issue_trim, pmac_ide_transfer_cb, io, - DMA_DIRECTION_TO_DEVICE); + m->aiocb = dma_blk_io(s->blk, &s->sg, sector_num, + ide_issue_trim, pmac_ide_transfer_cb, io, + DMA_DIRECTION_TO_DEVICE); break; } @@ -352,7 +352,7 @@ static void pmac_ide_transfer_cb(void *opaque, int ret) done: if (s->dma_cmd == IDE_DMA_READ || s->dma_cmd == IDE_DMA_WRITE) { - block_acct_done(bdrv_get_stats(s->bs), &s->acct); + block_acct_done(blk_get_stats(s->blk), &s->acct); } io->dma_end(io); } @@ -370,7 +370,7 @@ static void pmac_ide_transfer(DBDMA_io *io) /* Handle non-block ATAPI DMA transfers */ if (s->lba == -1) { s->io_buffer_size = MIN(io->len, s->packet_transfer_size); - block_acct_start(bdrv_get_stats(s->bs), &s->acct, s->io_buffer_size, + block_acct_start(blk_get_stats(s->blk), &s->acct, s->io_buffer_size, BLOCK_ACCT_READ); MACIO_DPRINTF("non-block ATAPI DMA transfer size: %d\n", s->io_buffer_size); @@ -382,12 +382,12 @@ static void pmac_ide_transfer(DBDMA_io *io) m->dma_active = false; MACIO_DPRINTF("end of non-block ATAPI DMA transfer\n"); - block_acct_done(bdrv_get_stats(s->bs), &s->acct); + block_acct_done(blk_get_stats(s->blk), &s->acct); io->dma_end(io); return; } - block_acct_start(bdrv_get_stats(s->bs), &s->acct, io->len, + block_acct_start(blk_get_stats(s->blk), &s->acct, io->len, BLOCK_ACCT_READ); pmac_ide_atapi_transfer_cb(io, 0); return; @@ -395,11 +395,11 @@ static void pmac_ide_transfer(DBDMA_io *io) switch (s->dma_cmd) { case IDE_DMA_READ: - block_acct_start(bdrv_get_stats(s->bs), &s->acct, io->len, + block_acct_start(blk_get_stats(s->blk), &s->acct, io->len, BLOCK_ACCT_READ); break; case IDE_DMA_WRITE: - block_acct_start(bdrv_get_stats(s->bs), &s->acct, io->len, + block_acct_start(blk_get_stats(s->blk), &s->acct, io->len, BLOCK_ACCT_WRITE); break; default: @@ -415,7 +415,7 @@ static void pmac_ide_flush(DBDMA_io *io) MACIOIDEState *m = io->opaque; if (m->aiocb) { - bdrv_drain_all(); + blk_drain_all(); } } @@ -558,7 +558,7 @@ static void ide_nop_restart(void *opaque, int x, RunState y) } static void ide_dbdma_start(IDEDMA *dma, IDEState *s, - BlockDriverCompletionFunc *cb) + BlockCompletionFunc *cb) { MACIOIDEState *m = container_of(dma, MACIOIDEState, dma); diff --git a/hw/ide/microdrive.c b/hw/ide/microdrive.c index 15671b8c4d..ed85185a74 100644 --- a/hw/ide/microdrive.c +++ b/hw/ide/microdrive.c @@ -25,7 +25,7 @@ #include <hw/hw.h> #include <hw/i386/pc.h> #include <hw/pcmcia.h> -#include "block/block.h" +#include "sysemu/block-backend.h" #include "sysemu/dma.h" #include <hw/ide/internal.h> @@ -247,7 +247,7 @@ static uint16_t md_common_read(PCMCIACardState *card, uint32_t at) return ide_ioport_read(&s->bus, 0x1); case 0xe: /* Alternate Status */ ifs = idebus_active_if(&s->bus); - if (ifs->bs) { + if (ifs->blk) { return ifs->status; } else { return 0; diff --git a/hw/ide/mmio.c b/hw/ide/mmio.c index 334c8ccf08..b6ce62ac5a 100644 --- a/hw/ide/mmio.c +++ b/hw/ide/mmio.c @@ -24,7 +24,7 @@ */ #include "hw/hw.h" #include "hw/sysbus.h" -#include "block/block.h" +#include "sysemu/block-backend.h" #include "sysemu/dma.h" #include <hw/ide/internal.h> diff --git a/hw/ide/pci.c b/hw/ide/pci.c index 2397f355cc..2dad50e8aa 100644 --- a/hw/ide/pci.c +++ b/hw/ide/pci.c @@ -26,7 +26,7 @@ #include <hw/i386/pc.h> #include <hw/pci/pci.h> #include <hw/isa/isa.h> -#include "block/block.h" +#include "sysemu/block-backend.h" #include "sysemu/dma.h" #include <hw/ide/pci.h> @@ -38,7 +38,7 @@ IDE_RETRY_READ | IDE_RETRY_FLUSH) static void bmdma_start_dma(IDEDMA *dma, IDEState *s, - BlockDriverCompletionFunc *dma_cb) + BlockCompletionFunc *dma_cb) { BMDMAState *bm = DO_UPCAST(BMDMAState, dma, dma); @@ -302,7 +302,7 @@ void bmdma_cmd_writeb(BMDMAState *bm, uint32_t val) * aio operation with preadv/pwritev. */ if (bm->bus->dma->aiocb) { - bdrv_drain_all(); + blk_drain_all(); assert(bm->bus->dma->aiocb == NULL); } bm->status &= ~BM_STATUS_DMAING; diff --git a/hw/ide/pci.h b/hw/ide/pci.h index 517711f913..2e9314ad87 100644 --- a/hw/ide/pci.h +++ b/hw/ide/pci.h @@ -23,7 +23,7 @@ typedef struct BMDMAState { uint32_t cur_prd_addr; uint32_t cur_prd_len; uint8_t unit; - BlockDriverCompletionFunc *dma_cb; + BlockCompletionFunc *dma_cb; int64_t sector_num; uint32_t nsector; MemoryRegion addr_ioport; diff --git a/hw/ide/piix.c b/hw/ide/piix.c index 49e78a738a..574b9c164b 100644 --- a/hw/ide/piix.c +++ b/hw/ide/piix.c @@ -27,7 +27,7 @@ #include <hw/i386/pc.h> #include <hw/pci/pci.h> #include <hw/isa/isa.h> -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "sysemu/sysemu.h" #include "sysemu/dma.h" @@ -178,12 +178,13 @@ int pci_piix3_xen_ide_unplug(DeviceState *dev) for (; i < 3; i++) { di = drive_get_by_index(IF_IDE, i); if (di != NULL && !di->media_cd) { - DeviceState *ds = bdrv_get_attached_dev(di->bdrv); + BlockBackend *blk = blk_by_legacy_dinfo(di); + DeviceState *ds = blk_get_attached_dev(blk); if (ds) { - bdrv_detach_dev(di->bdrv, ds); + blk_detach_dev(blk, ds); } - pci_ide->bus[di->bus].ifs[di->unit].bs = NULL; - drive_del(di); + pci_ide->bus[di->bus].ifs[di->unit].blk = NULL; + blk_unref(blk); } } qdev_reset_all(DEVICE(dev)); diff --git a/hw/ide/qdev.c b/hw/ide/qdev.c index 9814ef0d24..b4f096e12e 100644 --- a/hw/ide/qdev.c +++ b/hw/ide/qdev.c @@ -20,6 +20,7 @@ #include "sysemu/dma.h" #include "qemu/error-report.h" #include <hw/ide/internal.h> +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "hw/block/block.h" #include "sysemu/sysemu.h" @@ -72,7 +73,7 @@ static int ide_qdev_init(DeviceState *qdev) IDEDeviceClass *dc = IDE_DEVICE_GET_CLASS(dev); IDEBus *bus = DO_UPCAST(IDEBus, qbus, qdev->parent_bus); - if (!dev->conf.bs) { + if (!dev->conf.blk) { error_report("No drive specified"); goto err; } @@ -117,7 +118,7 @@ IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive) dev = qdev_create(&bus->qbus, drive->media_cd ? "ide-cd" : "ide-hd"); qdev_prop_set_uint32(dev, "unit", unit); - qdev_prop_set_drive_nofail(dev, "drive", drive->bdrv); + qdev_prop_set_drive_nofail(dev, "drive", blk_by_legacy_dinfo(drive)); qdev_init_nofail(dev); return DO_UPCAST(IDEDevice, qdev, dev); } @@ -127,7 +128,7 @@ int ide_get_geometry(BusState *bus, int unit, { IDEState *s = &DO_UPCAST(IDEBus, qbus, bus)->ifs[unit]; - if (s->drive_kind != IDE_HD || !s->bs) { + if (s->drive_kind != IDE_HD || !s->blk) { return -1; } @@ -172,7 +173,7 @@ static int ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind) } } - if (ide_init_drive(s, dev->conf.bs, kind, + if (ide_init_drive(s, dev->conf.blk, kind, dev->version, dev->serial, dev->model, dev->wwn, dev->conf.cyls, dev->conf.heads, dev->conf.secs, dev->chs_trans) < 0) { @@ -249,9 +250,9 @@ static int ide_cd_initfn(IDEDevice *dev) static int ide_drive_initfn(IDEDevice *dev) { - DriveInfo *dinfo = drive_get_by_blockdev(dev->conf.bs); + DriveInfo *dinfo = blk_legacy_dinfo(dev->conf.blk); - return ide_dev_initfn(dev, dinfo->media_cd ? IDE_CD : IDE_HD); + return ide_dev_initfn(dev, dinfo && dinfo->media_cd ? IDE_CD : IDE_HD); } #define DEFINE_IDE_DEV_PROPERTIES() \ diff --git a/hw/ide/via.c b/hw/ide/via.c index 89d27b4c5b..4d8089de75 100644 --- a/hw/ide/via.c +++ b/hw/ide/via.c @@ -27,7 +27,7 @@ #include <hw/i386/pc.h> #include <hw/pci/pci.h> #include <hw/isa/isa.h> -#include "block/block.h" +#include "sysemu/block-backend.h" #include "sysemu/sysemu.h" #include "sysemu/dma.h" diff --git a/hw/isa/pc87312.c b/hw/isa/pc87312.c index 9327c53132..40a11060a5 100644 --- a/hw/isa/pc87312.c +++ b/hw/isa/pc87312.c @@ -25,6 +25,7 @@ #include "hw/isa/pc87312.h" #include "qemu/error-report.h" +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "sysemu/sysemu.h" #include "sysemu/char.h" @@ -320,11 +321,13 @@ static void pc87312_realize(DeviceState *dev, Error **errp) qdev_prop_set_uint32(d, "irq", 6); drive = drive_get(IF_FLOPPY, 0, 0); if (drive != NULL) { - qdev_prop_set_drive_nofail(d, "driveA", drive->bdrv); + qdev_prop_set_drive_nofail(d, "driveA", + blk_by_legacy_dinfo(drive)); } drive = drive_get(IF_FLOPPY, 0, 1); if (drive != NULL) { - qdev_prop_set_drive_nofail(d, "driveB", drive->bdrv); + qdev_prop_set_drive_nofail(d, "driveB", + blk_by_legacy_dinfo(drive)); } qdev_init_nofail(d); s->fdc.dev = isa; diff --git a/hw/lm32/lm32_boards.c b/hw/lm32/lm32_boards.c index 5ae6cad1ef..af0abdbed9 100644 --- a/hw/lm32/lm32_boards.c +++ b/hw/lm32/lm32_boards.c @@ -23,7 +23,7 @@ #include "hw/devices.h" #include "hw/boards.h" #include "hw/loader.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "elf.h" #include "lm32_hwsetup.h" #include "lm32.h" @@ -119,9 +119,9 @@ static void lm32_evr_init(MachineState *machine) dinfo = drive_get(IF_PFLASH, 0, 0); /* Spansion S29NS128P */ pflash_cfi02_register(flash_base, NULL, "lm32_evr.flash", flash_size, - dinfo ? dinfo->bdrv : NULL, flash_sector_size, - flash_size / flash_sector_size, 1, 2, - 0x01, 0x7e, 0x43, 0x00, 0x555, 0x2aa, 1); + dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, + flash_sector_size, flash_size / flash_sector_size, + 1, 2, 0x01, 0x7e, 0x43, 0x00, 0x555, 0x2aa, 1); /* create irq lines */ cpu_irq = qemu_allocate_irqs(cpu_irq_handler, cpu, 1); @@ -222,9 +222,9 @@ static void lm32_uclinux_init(MachineState *machine) dinfo = drive_get(IF_PFLASH, 0, 0); /* Spansion S29NS128P */ pflash_cfi02_register(flash_base, NULL, "lm32_uclinux.flash", flash_size, - dinfo ? dinfo->bdrv : NULL, flash_sector_size, - flash_size / flash_sector_size, 1, 2, - 0x01, 0x7e, 0x43, 0x00, 0x555, 0x2aa, 1); + dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, + flash_sector_size, flash_size / flash_sector_size, + 1, 2, 0x01, 0x7e, 0x43, 0x00, 0x555, 0x2aa, 1); /* create irq lines */ cpu_irq = qemu_allocate_irqs(cpu_irq_handler, env, 1); diff --git a/hw/lm32/milkymist.c b/hw/lm32/milkymist.c index c8832f03b5..256c1029ce 100644 --- a/hw/lm32/milkymist.c +++ b/hw/lm32/milkymist.c @@ -26,7 +26,7 @@ #include "hw/boards.h" #include "hw/loader.h" #include "elf.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "milkymist-hw.h" #include "lm32.h" #include "exec/address-spaces.h" @@ -126,9 +126,9 @@ milkymist_init(MachineState *machine) dinfo = drive_get(IF_PFLASH, 0, 0); /* Numonyx JS28F256J3F105 */ pflash_cfi01_register(flash_base, NULL, "milkymist.flash", flash_size, - dinfo ? dinfo->bdrv : NULL, flash_sector_size, - flash_size / flash_sector_size, 2, - 0x00, 0x89, 0x00, 0x1d, 1); + dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, + flash_sector_size, flash_size / flash_sector_size, + 2, 0x00, 0x89, 0x00, 0x1d, 1); /* create irq lines */ cpu_irq = qemu_allocate_irqs(cpu_irq_handler, cpu, 1); diff --git a/hw/microblaze/petalogix_ml605_mmu.c b/hw/microblaze/petalogix_ml605_mmu.c index fcb51bc070..48c264b9d7 100644 --- a/hw/microblaze/petalogix_ml605_mmu.c +++ b/hw/microblaze/petalogix_ml605_mmu.c @@ -32,7 +32,7 @@ #include "sysemu/sysemu.h" #include "hw/devices.h" #include "hw/boards.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "hw/char/serial.h" #include "exec/address-spaces.h" #include "hw/ssi.h" @@ -113,8 +113,8 @@ petalogix_ml605_init(MachineState *machine) * 10th paremeter 0 means little-endian */ pflash_cfi01_register(FLASH_BASEADDR, NULL, "petalogix_ml605.flash", FLASH_SIZE, - dinfo ? dinfo->bdrv : NULL, (64 * 1024), - FLASH_SIZE >> 16, + dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, + (64 * 1024), FLASH_SIZE >> 16, 2, 0x89, 0x18, 0x0000, 0x0, 0); diff --git a/hw/microblaze/petalogix_s3adsp1800_mmu.c b/hw/microblaze/petalogix_s3adsp1800_mmu.c index 8e0fca9ebf..84f6e74653 100644 --- a/hw/microblaze/petalogix_s3adsp1800_mmu.c +++ b/hw/microblaze/petalogix_s3adsp1800_mmu.c @@ -30,7 +30,7 @@ #include "sysemu/sysemu.h" #include "hw/devices.h" #include "hw/boards.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "exec/address-spaces.h" #include "boot.h" @@ -94,8 +94,8 @@ petalogix_s3adsp1800_init(MachineState *machine) dinfo = drive_get(IF_PFLASH, 0, 0); pflash_cfi01_register(FLASH_BASEADDR, NULL, "petalogix_s3adsp1800.flash", FLASH_SIZE, - dinfo ? dinfo->bdrv : NULL, (64 * 1024), - FLASH_SIZE >> 16, + dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, + (64 * 1024), FLASH_SIZE >> 16, 1, 0x89, 0x18, 0x0000, 0x0, 1); dev = qdev_create(NULL, "xlnx.xps-intc"); diff --git a/hw/mips/mips_fulong2e.c b/hw/mips/mips_fulong2e.c index 29cd708e07..6a9ebfa911 100644 --- a/hw/mips/mips_fulong2e.c +++ b/hw/mips/mips_fulong2e.c @@ -25,7 +25,7 @@ #include "net/net.h" #include "hw/boards.h" #include "hw/i2c/smbus.h" -#include "block/block.h" +#include "sysemu/block-backend.h" #include "hw/block/flash.h" #include "hw/mips/mips.h" #include "hw/mips/cpudevs.h" diff --git a/hw/mips/mips_jazz.c b/hw/mips/mips_jazz.c index 6c31cb8fe9..3f33093fd9 100644 --- a/hw/mips/mips_jazz.c +++ b/hw/mips/mips_jazz.c @@ -39,7 +39,7 @@ #include "hw/timer/mc146818rtc.h" #include "hw/timer/i8254.h" #include "hw/audio/pcspk.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "hw/sysbus.h" #include "exec/address-spaces.h" #include "sysemu/qtest.h" diff --git a/hw/mips/mips_malta.c b/hw/mips/mips_malta.c index e8e075c600..5845158a74 100644 --- a/hw/mips/mips_malta.c +++ b/hw/mips/mips_malta.c @@ -29,7 +29,7 @@ #include "net/net.h" #include "hw/boards.h" #include "hw/i2c/smbus.h" -#include "block/block.h" +#include "sysemu/block-backend.h" #include "hw/block/flash.h" #include "hw/mips/mips.h" #include "hw/mips/cpudevs.h" @@ -44,6 +44,7 @@ #include "elf.h" #include "hw/timer/mc146818rtc.h" #include "hw/timer/i8254.h" +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "exec/address-spaces.h" #include "hw/sysbus.h" /* SysBusDevice */ @@ -1032,11 +1033,12 @@ void mips_malta_init(MachineState *machine) printf("Register parallel flash %d size " TARGET_FMT_lx " at " "addr %08llx '%s' %x\n", fl_idx, bios_size, FLASH_ADDRESS, - bdrv_get_device_name(dinfo->bdrv), fl_sectors); + blk_name(dinfo->bdrv), fl_sectors); } #endif fl = pflash_cfi01_register(FLASH_ADDRESS, NULL, "mips_malta.bios", - BIOS_SIZE, dinfo ? dinfo->bdrv : NULL, + BIOS_SIZE, + dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, 65536, fl_sectors, 4, 0x0000, 0x0000, 0x0000, 0x0000, be); bios = pflash_cfi01_get_memory(fl); diff --git a/hw/mips/mips_r4k.c b/hw/mips/mips_r4k.c index 93606a490c..a7fe0ceadf 100644 --- a/hw/mips/mips_r4k.c +++ b/hw/mips/mips_r4k.c @@ -24,7 +24,7 @@ #include "elf.h" #include "hw/timer/mc146818rtc.h" #include "hw/timer/i8254.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "exec/address-spaces.h" #include "sysemu/qtest.h" @@ -241,8 +241,8 @@ void mips_r4k_init(MachineState *machine) } else if ((dinfo = drive_get(IF_PFLASH, 0, 0)) != NULL) { uint32_t mips_rom = 0x00400000; if (!pflash_cfi01_register(0x1fc00000, NULL, "mips_r4k.bios", mips_rom, - dinfo->bdrv, sector_len, - mips_rom / sector_len, + blk_by_legacy_dinfo(dinfo), + sector_len, mips_rom / sector_len, 4, 0, 0, 0, 0, be)) { fprintf(stderr, "qemu: Error registering flash memory.\n"); } diff --git a/hw/nvram/spapr_nvram.c b/hw/nvram/spapr_nvram.c index 6a72ef4814..10b5b2e86b 100644 --- a/hw/nvram/spapr_nvram.c +++ b/hw/nvram/spapr_nvram.c @@ -24,6 +24,7 @@ #include <libfdt.h> +#include "sysemu/block-backend.h" #include "sysemu/device_tree.h" #include "hw/sysbus.h" #include "hw/ppc/spapr.h" @@ -33,7 +34,7 @@ typedef struct sPAPRNVRAM { VIOsPAPRDevice sdev; uint32_t size; uint8_t *buf; - BlockDriverState *drive; + BlockBackend *blk; } sPAPRNVRAM; #define TYPE_VIO_SPAPR_NVRAM "spapr-nvram" @@ -77,8 +78,8 @@ static void rtas_nvram_fetch(PowerPCCPU *cpu, sPAPREnvironment *spapr, } membuf = cpu_physical_memory_map(buffer, &len, 1); - if (nvram->drive) { - alen = bdrv_pread(nvram->drive, offset, membuf, len); + if (nvram->blk) { + alen = blk_pread(nvram->blk, offset, membuf, len); } else { assert(nvram->buf); @@ -122,8 +123,8 @@ static void rtas_nvram_store(PowerPCCPU *cpu, sPAPREnvironment *spapr, } membuf = cpu_physical_memory_map(buffer, &len, 0); - if (nvram->drive) { - alen = bdrv_pwrite(nvram->drive, offset, membuf, len); + if (nvram->blk) { + alen = blk_pwrite(nvram->blk, offset, membuf, len); } else { assert(nvram->buf); @@ -140,8 +141,8 @@ static int spapr_nvram_init(VIOsPAPRDevice *dev) { sPAPRNVRAM *nvram = VIO_SPAPR_NVRAM(dev); - if (nvram->drive) { - nvram->size = bdrv_getlength(nvram->drive); + if (nvram->blk) { + nvram->size = blk_getlength(nvram->blk); } else { nvram->size = DEFAULT_NVRAM_SIZE; nvram->buf = g_malloc0(nvram->size); @@ -168,7 +169,7 @@ static int spapr_nvram_devnode(VIOsPAPRDevice *dev, void *fdt, int node_off) static Property spapr_nvram_properties[] = { DEFINE_SPAPR_PROPERTIES(sPAPRNVRAM, sdev), - DEFINE_PROP_DRIVE("drive", sPAPRNVRAM, drive), + DEFINE_PROP_DRIVE("drive", sPAPRNVRAM, blk), DEFINE_PROP_END_OF_LIST(), }; diff --git a/hw/pci/pci-hotplug-old.c b/hw/pci/pci-hotplug-old.c index 6ab28b703c..0c09c72ac5 100644 --- a/hw/pci/pci-hotplug-old.c +++ b/hw/pci/pci-hotplug-old.c @@ -33,7 +33,7 @@ #include "hw/scsi/scsi.h" #include "hw/virtio/virtio-blk.h" #include "qemu/config-file.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "qapi/error.h" static int pci_read_devaddr(Monitor *mon, const char *addr, @@ -127,8 +127,10 @@ static int scsi_hot_add(Monitor *mon, DeviceState *adapter, */ dinfo->unit = qemu_opt_get_number(dinfo->opts, "unit", -1); dinfo->bus = scsibus->busnr; - scsidev = scsi_bus_legacy_add_drive(scsibus, dinfo->bdrv, dinfo->unit, - false, -1, NULL, &local_err); + scsidev = scsi_bus_legacy_add_drive(scsibus, + blk_by_legacy_dinfo(dinfo), + dinfo->unit, false, -1, NULL, + &local_err); if (!scsidev) { error_report("%s", error_get_pretty(local_err)); error_free(local_err); @@ -250,7 +252,8 @@ static PCIDevice *qemu_pci_hot_add_storage(Monitor *mon, return NULL; } dev = pci_create(bus, devfn, "virtio-blk-pci"); - if (qdev_prop_set_drive(&dev->qdev, "drive", dinfo->bdrv) < 0) { + if (qdev_prop_set_drive(&dev->qdev, "drive", + blk_by_legacy_dinfo(dinfo)) < 0) { object_unparent(OBJECT(dev)); dev = NULL; break; diff --git a/hw/ppc/mac.h b/hw/ppc/mac.h index aff2b9a566..8bdba30c1e 100644 --- a/hw/ppc/mac.h +++ b/hw/ppc/mac.h @@ -131,7 +131,7 @@ typedef struct MACIOIDEState { MemoryRegion mem; IDEBus bus; - BlockDriverAIOCB *aiocb; + BlockAIOCB *aiocb; IDEDMA dma; void *dbdma; bool dma_active; diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c index 4094beb0ed..89aee716d4 100644 --- a/hw/ppc/mac_newworld.c +++ b/hw/ppc/mac_newworld.c @@ -65,7 +65,7 @@ #include "sysemu/kvm.h" #include "kvm_ppc.h" #include "hw/usb.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "exec/address-spaces.h" #include "hw/sysbus.h" diff --git a/hw/ppc/mac_oldworld.c b/hw/ppc/mac_oldworld.c index ebd87fb8f5..32c21a4286 100644 --- a/hw/ppc/mac_oldworld.c +++ b/hw/ppc/mac_oldworld.c @@ -40,7 +40,7 @@ #include "elf.h" #include "sysemu/kvm.h" #include "kvm_ppc.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "exec/address-spaces.h" #define MAX_IDE_BUS 2 diff --git a/hw/ppc/ppc405_boards.c b/hw/ppc/ppc405_boards.c index 18a4ec5e79..1dcea7730e 100644 --- a/hw/ppc/ppc405_boards.c +++ b/hw/ppc/ppc405_boards.c @@ -28,11 +28,12 @@ #include "hw/block/flash.h" #include "sysemu/sysemu.h" #include "sysemu/qtest.h" -#include "block/block.h" +#include "sysemu/block-backend.h" #include "hw/boards.h" #include "qemu/log.h" #include "qemu/error-report.h" #include "hw/loader.h" +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "exec/address-spaces.h" @@ -225,17 +226,19 @@ static void ref405ep_init(MachineState *machine) #ifdef USE_FLASH_BIOS dinfo = drive_get(IF_PFLASH, 0, fl_idx); if (dinfo) { - bios_size = bdrv_getlength(dinfo->bdrv); + BlockBackend *blk = blk_by_legacy_dinfo(dinfo); + + bios_size = blk_getlength(blk); fl_sectors = (bios_size + 65535) >> 16; #ifdef DEBUG_BOARD_INIT printf("Register parallel flash %d size %lx" " at addr %lx '%s' %d\n", fl_idx, bios_size, -bios_size, - bdrv_get_device_name(dinfo->bdrv), fl_sectors); + blk_name(blk), fl_sectors); #endif pflash_cfi02_register((uint32_t)(-bios_size), NULL, "ef405ep.bios", bios_size, - dinfo->bdrv, 65536, fl_sectors, 1, + blk, 65536, fl_sectors, 1, 2, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA, 1); fl_idx++; @@ -548,7 +551,9 @@ static void taihu_405ep_init(MachineState *machine) #if defined(USE_FLASH_BIOS) dinfo = drive_get(IF_PFLASH, 0, fl_idx); if (dinfo) { - bios_size = bdrv_getlength(dinfo->bdrv); + BlockBackend *blk = blk_by_legacy_dinfo(dinfo); + + bios_size = blk_getlength(blk); /* XXX: should check that size is 2MB */ // bios_size = 2 * 1024 * 1024; fl_sectors = (bios_size + 65535) >> 16; @@ -556,11 +561,11 @@ static void taihu_405ep_init(MachineState *machine) printf("Register parallel flash %d size %lx" " at addr %lx '%s' %d\n", fl_idx, bios_size, -bios_size, - bdrv_get_device_name(dinfo->bdrv), fl_sectors); + blk_name(blk), fl_sectors); #endif pflash_cfi02_register((uint32_t)(-bios_size), NULL, "taihu_405ep.bios", bios_size, - dinfo->bdrv, 65536, fl_sectors, 1, + blk, 65536, fl_sectors, 1, 4, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA, 1); fl_idx++; @@ -595,7 +600,9 @@ static void taihu_405ep_init(MachineState *machine) /* Register Linux flash */ dinfo = drive_get(IF_PFLASH, 0, fl_idx); if (dinfo) { - bios_size = bdrv_getlength(dinfo->bdrv); + BlockBackend *blk = blk_by_legacy_dinfo(dinfo); + + bios_size = blk_getlength(blk); /* XXX: should check that size is 32MB */ bios_size = 32 * 1024 * 1024; fl_sectors = (bios_size + 65535) >> 16; @@ -603,10 +610,10 @@ static void taihu_405ep_init(MachineState *machine) printf("Register parallel flash %d size %lx" " at addr " TARGET_FMT_lx " '%s'\n", fl_idx, bios_size, (target_ulong)0xfc000000, - bdrv_get_device_name(dinfo->bdrv)); + blk_name(blk)); #endif pflash_cfi02_register(0xfc000000, NULL, "taihu_405ep.flash", bios_size, - dinfo->bdrv, 65536, fl_sectors, 1, + blk, 65536, fl_sectors, 1, 4, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA, 1); fl_idx++; diff --git a/hw/ppc/prep.c b/hw/ppc/prep.c index 9f484cdcb8..dd8433d0c9 100644 --- a/hw/ppc/prep.c +++ b/hw/ppc/prep.c @@ -38,7 +38,7 @@ #include "hw/loader.h" #include "hw/timer/mc146818rtc.h" #include "hw/isa/pc87312.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "sysemu/arch_init.h" #include "sysemu/qtest.h" #include "exec/address-spaces.h" diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 2becc9ff07..45764a7032 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -29,7 +29,7 @@ #include "hw/fw-path-provider.h" #include "elf.h" #include "net/net.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "sysemu/cpus.h" #include "sysemu/kvm.h" #include "kvm_ppc.h" @@ -925,7 +925,7 @@ static void spapr_create_nvram(sPAPREnvironment *spapr) DriveInfo *dinfo = drive_get(IF_PFLASH, 0, 0); if (dinfo) { - qdev_prop_set_drive_nofail(dev, "drive", dinfo->bdrv); + qdev_prop_set_drive_nofail(dev, "drive", blk_by_legacy_dinfo(dinfo)); } qdev_init_nofail(dev); diff --git a/hw/ppc/virtex_ml507.c b/hw/ppc/virtex_ml507.c index 0de51481f3..6ebd5bee8b 100644 --- a/hw/ppc/virtex_ml507.c +++ b/hw/ppc/virtex_ml507.c @@ -39,7 +39,7 @@ #include "hw/ppc/ppc4xx.h" #include "ppc405.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "qapi/qmp/qerror.h" #define EPAPR_MAGIC (0x45504150) @@ -227,8 +227,8 @@ static void virtex_init(MachineState *machine) dinfo = drive_get(IF_PFLASH, 0, 0); pflash_cfi01_register(PFLASH_BASEADDR, NULL, "virtex.flash", FLASH_SIZE, - dinfo ? dinfo->bdrv : NULL, (64 * 1024), - FLASH_SIZE >> 16, + dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, + (64 * 1024), FLASH_SIZE >> 16, 1, 0x89, 0x18, 0x0000, 0x0, 1); cpu_irq = (qemu_irq *) &env->irq_inputs[PPC40x_INPUT_INT]; diff --git a/hw/s390x/s390-virtio-bus.c b/hw/s390x/s390-virtio-bus.c index 29ecdb4194..2059874ae3 100644 --- a/hw/s390x/s390-virtio-bus.c +++ b/hw/s390x/s390-virtio-bus.c @@ -18,7 +18,7 @@ */ #include "hw/hw.h" -#include "block/block.h" +#include "sysemu/block-backend.h" #include "sysemu/sysemu.h" #include "hw/boards.h" #include "monitor/monitor.h" diff --git a/hw/s390x/s390-virtio.c b/hw/s390x/s390-virtio.c index af0004a0ac..c215cd80e3 100644 --- a/hw/s390x/s390-virtio.c +++ b/hw/s390x/s390-virtio.c @@ -22,7 +22,7 @@ */ #include "hw/hw.h" -#include "block/block.h" +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "sysemu/sysemu.h" #include "net/net.h" diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c index f5ec94657f..1c0d91321a 100644 --- a/hw/s390x/virtio-ccw.c +++ b/hw/s390x/virtio-ccw.c @@ -10,7 +10,7 @@ */ #include "hw/hw.h" -#include "block/block.h" +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "sysemu/sysemu.h" #include "net/net.h" diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c index eedc9922a7..36a04f31bb 100644 --- a/hw/scsi/megasas.c +++ b/hw/scsi/megasas.c @@ -21,6 +21,7 @@ #include "hw/hw.h" #include "hw/pci/pci.h" #include "sysemu/dma.h" +#include "sysemu/block-backend.h" #include "hw/pci/msi.h" #include "hw/pci/msix.h" #include "qemu/iov.h" @@ -976,7 +977,6 @@ static int megasas_pd_get_info_submit(SCSIDevice *sdev, int lun, { struct mfi_pd_info *info = cmd->iov_buf; size_t dcmd_size = sizeof(struct mfi_pd_info); - BlockConf *conf = &sdev->conf; uint64_t pd_size; uint16_t sdev_id = ((sdev->id & 0xFF) >> 8) | (lun & 0xFF); uint8_t cmdbuf[6]; @@ -1037,7 +1037,7 @@ static int megasas_pd_get_info_submit(SCSIDevice *sdev, int lun, info->ref.v.device_id = cpu_to_le16(sdev_id); info->state.ddf.pd_type = cpu_to_le16(MFI_PD_DDF_TYPE_IN_VD| MFI_PD_DDF_TYPE_INTF_SAS); - bdrv_get_geometry(conf->bs, &pd_size); + blk_get_geometry(sdev->conf.blk, &pd_size); info->raw_size = cpu_to_le64(pd_size); info->non_coerced_size = cpu_to_le64(pd_size); info->coerced_size = cpu_to_le64(pd_size); @@ -1100,13 +1100,12 @@ static int megasas_dcmd_ld_get_list(MegasasState *s, MegasasCmd *cmd) } QTAILQ_FOREACH(kid, &s->bus.qbus.children, sibling) { SCSIDevice *sdev = DO_UPCAST(SCSIDevice, qdev, kid->child); - BlockConf *conf = &sdev->conf; if (num_ld_disks >= max_ld_disks) { break; } /* Logical device size is in blocks */ - bdrv_get_geometry(conf->bs, &ld_size); + blk_get_geometry(sdev->conf.blk, &ld_size); info.ld_list[num_ld_disks].ld.v.target_id = sdev->id; info.ld_list[num_ld_disks].ld.v.lun_id = sdev->lun; info.ld_list[num_ld_disks].state = MFI_LD_STATE_OPTIMAL; @@ -1144,7 +1143,6 @@ static int megasas_ld_get_info_submit(SCSIDevice *sdev, int lun, uint8_t cdb[6]; SCSIRequest *req; ssize_t len, resid; - BlockConf *conf = &sdev->conf; uint16_t sdev_id = ((sdev->id & 0xFF) >> 8) | (lun & 0xFF); uint64_t ld_size; @@ -1177,7 +1175,7 @@ static int megasas_ld_get_info_submit(SCSIDevice *sdev, int lun, info->ld_config.params.num_drives = 1; info->ld_config.params.is_consistent = 1; /* Logical device size is in blocks */ - bdrv_get_geometry(conf->bs, &ld_size); + blk_get_geometry(sdev->conf.blk, &ld_size); info->size = cpu_to_le64(ld_size); memset(info->ld_config.span, 0, sizeof(info->ld_config.span)); info->ld_config.span[0].start_block = 0; @@ -1261,7 +1259,6 @@ static int megasas_dcmd_cfg_read(MegasasState *s, MegasasCmd *cmd) QTAILQ_FOREACH(kid, &s->bus.qbus.children, sibling) { SCSIDevice *sdev = DO_UPCAST(SCSIDevice, qdev, kid->child); - BlockConf *conf = &sdev->conf; uint16_t sdev_id = ((sdev->id & 0xFF) >> 8) | (sdev->lun & 0xFF); struct mfi_array *array; struct mfi_ld_config *ld; @@ -1269,7 +1266,7 @@ static int megasas_dcmd_cfg_read(MegasasState *s, MegasasCmd *cmd) int i; array = (struct mfi_array *)(data + array_offset); - bdrv_get_geometry(conf->bs, &pd_size); + blk_get_geometry(sdev->conf.blk, &pd_size); array->size = cpu_to_le64(pd_size); array->num_drives = 1; array->array_ref = cpu_to_le16(sdev_id); @@ -1340,7 +1337,7 @@ static int megasas_dcmd_get_properties(MegasasState *s, MegasasCmd *cmd) static int megasas_cache_flush(MegasasState *s, MegasasCmd *cmd) { - bdrv_drain_all(); + blk_drain_all(); return MFI_STAT_OK; } diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c index 022a524074..af7707cf27 100644 --- a/hw/scsi/scsi-bus.c +++ b/hw/scsi/scsi-bus.c @@ -3,6 +3,7 @@ #include "hw/scsi/scsi.h" #include "block/scsi.h" #include "hw/qdev.h" +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "trace.h" #include "sysemu/dma.h" @@ -221,7 +222,7 @@ static void scsi_qdev_unrealize(DeviceState *qdev, Error **errp) } /* handle legacy '-drive if=scsi,...' cmd line args */ -SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockDriverState *bdrv, +SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockBackend *blk, int unit, bool removable, int bootindex, const char *serial, Error **errp) { @@ -229,7 +230,7 @@ SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockDriverState *bdrv, DeviceState *dev; Error *err = NULL; - driver = bdrv_is_sg(bdrv) ? "scsi-generic" : "scsi-disk"; + driver = blk_is_sg(blk) ? "scsi-generic" : "scsi-disk"; dev = qdev_create(&bus->qbus, driver); qdev_prop_set_uint32(dev, "scsi-id", unit); if (bootindex >= 0) { @@ -242,7 +243,7 @@ SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockDriverState *bdrv, if (serial && object_property_find(OBJECT(dev), "serial", NULL)) { qdev_prop_set_string(dev, "serial", serial); } - if (qdev_prop_set_drive(dev, "drive", bdrv) < 0) { + if (qdev_prop_set_drive(dev, "drive", blk) < 0) { error_setg(errp, "Setting drive property failed"); object_unparent(OBJECT(dev)); return NULL; @@ -270,8 +271,8 @@ void scsi_bus_legacy_handle_cmdline(SCSIBus *bus, Error **errp) continue; } qemu_opts_loc_restore(dinfo->opts); - scsi_bus_legacy_add_drive(bus, dinfo->bdrv, unit, false, -1, NULL, - &err); + scsi_bus_legacy_add_drive(bus, blk_by_legacy_dinfo(dinfo), + unit, false, -1, NULL, &err); if (err != NULL) { error_report("%s", error_get_pretty(err)); error_propagate(errp, err); @@ -1753,7 +1754,7 @@ void scsi_req_cancel_async(SCSIRequest *req, Notifier *notifier) scsi_req_dequeue(req); req->io_canceled = true; if (req->aiocb) { - bdrv_aio_cancel_async(req->aiocb); + blk_aio_cancel_async(req->aiocb); } } @@ -1767,7 +1768,7 @@ void scsi_req_cancel(SCSIRequest *req) scsi_req_dequeue(req); req->io_canceled = true; if (req->aiocb) { - bdrv_aio_cancel(req->aiocb); + blk_aio_cancel(req->aiocb); } } diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c index ae9e08dd13..010eefd443 100644 --- a/hw/scsi/scsi-disk.c +++ b/hw/scsi/scsi-disk.c @@ -33,6 +33,7 @@ do { printf("scsi-disk: " fmt , ## __VA_ARGS__); } while (0) #include "hw/scsi/scsi.h" #include "block/scsi.h" #include "sysemu/sysemu.h" +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "hw/block/block.h" #include "sysemu/dma.h" @@ -111,7 +112,7 @@ static uint32_t scsi_init_iovec(SCSIDiskReq *r, size_t size) if (!r->iov.iov_base) { r->buflen = size; - r->iov.iov_base = qemu_blockalign(s->qdev.conf.bs, r->buflen); + r->iov.iov_base = blk_blockalign(s->qdev.conf.blk, r->buflen); } r->iov.iov_len = MIN(r->sector_count * 512, r->buflen); qemu_iovec_init_external(&r->qiov, &r->iov, 1); @@ -166,7 +167,7 @@ static void scsi_aio_complete(void *opaque, int ret) assert(r->req.aiocb != NULL); r->req.aiocb = NULL; - block_acct_done(bdrv_get_stats(s->qdev.conf.bs), &r->acct); + block_acct_done(blk_get_stats(s->qdev.conf.blk), &r->acct); if (r->req.io_canceled) { scsi_req_cancel_complete(&r->req); goto done; @@ -220,9 +221,9 @@ static void scsi_write_do_fua(SCSIDiskReq *r) } if (scsi_is_cmd_fua(&r->req.cmd)) { - block_acct_start(bdrv_get_stats(s->qdev.conf.bs), &r->acct, 0, + block_acct_start(blk_get_stats(s->qdev.conf.blk), &r->acct, 0, BLOCK_ACCT_FLUSH); - r->req.aiocb = bdrv_aio_flush(s->qdev.conf.bs, scsi_aio_complete, r); + r->req.aiocb = blk_aio_flush(s->qdev.conf.blk, scsi_aio_complete, r); return; } @@ -239,7 +240,7 @@ static void scsi_dma_complete_noio(void *opaque, int ret) if (r->req.aiocb != NULL) { r->req.aiocb = NULL; - block_acct_done(bdrv_get_stats(s->qdev.conf.bs), &r->acct); + block_acct_done(blk_get_stats(s->qdev.conf.blk), &r->acct); } if (r->req.io_canceled) { scsi_req_cancel_complete(&r->req); @@ -281,7 +282,7 @@ static void scsi_read_complete(void * opaque, int ret) assert(r->req.aiocb != NULL); r->req.aiocb = NULL; - block_acct_done(bdrv_get_stats(s->qdev.conf.bs), &r->acct); + block_acct_done(blk_get_stats(s->qdev.conf.blk), &r->acct); if (r->req.io_canceled) { scsi_req_cancel_complete(&r->req); goto done; @@ -313,7 +314,7 @@ static void scsi_do_read(void *opaque, int ret) if (r->req.aiocb != NULL) { r->req.aiocb = NULL; - block_acct_done(bdrv_get_stats(s->qdev.conf.bs), &r->acct); + block_acct_done(blk_get_stats(s->qdev.conf.blk), &r->acct); } if (r->req.io_canceled) { scsi_req_cancel_complete(&r->req); @@ -330,16 +331,16 @@ static void scsi_do_read(void *opaque, int ret) scsi_req_ref(&r->req); if (r->req.sg) { - dma_acct_start(s->qdev.conf.bs, &r->acct, r->req.sg, BLOCK_ACCT_READ); + dma_acct_start(s->qdev.conf.blk, &r->acct, r->req.sg, BLOCK_ACCT_READ); r->req.resid -= r->req.sg->size; - r->req.aiocb = dma_bdrv_read(s->qdev.conf.bs, r->req.sg, r->sector, - scsi_dma_complete, r); + r->req.aiocb = dma_blk_read(s->qdev.conf.blk, r->req.sg, r->sector, + scsi_dma_complete, r); } else { n = scsi_init_iovec(r, SCSI_DMA_BUF_SIZE); - block_acct_start(bdrv_get_stats(s->qdev.conf.bs), &r->acct, + block_acct_start(blk_get_stats(s->qdev.conf.blk), &r->acct, n * BDRV_SECTOR_SIZE, BLOCK_ACCT_READ); - r->req.aiocb = bdrv_aio_readv(s->qdev.conf.bs, r->sector, &r->qiov, n, - scsi_read_complete, r); + r->req.aiocb = blk_aio_readv(s->qdev.conf.blk, r->sector, &r->qiov, n, + scsi_read_complete, r); } done: @@ -379,9 +380,9 @@ static void scsi_read_data(SCSIRequest *req) first = !r->started; r->started = true; if (first && scsi_is_cmd_fua(&r->req.cmd)) { - block_acct_start(bdrv_get_stats(s->qdev.conf.bs), &r->acct, 0, + block_acct_start(blk_get_stats(s->qdev.conf.blk), &r->acct, 0, BLOCK_ACCT_FLUSH); - r->req.aiocb = bdrv_aio_flush(s->qdev.conf.bs, scsi_do_read, r); + r->req.aiocb = blk_aio_flush(s->qdev.conf.blk, scsi_do_read, r); } else { scsi_do_read(r, 0); } @@ -398,7 +399,8 @@ static int scsi_handle_rw_error(SCSIDiskReq *r, int error) { bool is_read = (r->req.cmd.xfer == SCSI_XFER_FROM_DEV); SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); - BlockErrorAction action = bdrv_get_error_action(s->qdev.conf.bs, is_read, error); + BlockErrorAction action = blk_get_error_action(s->qdev.conf.blk, + is_read, error); if (action == BLOCK_ERROR_ACTION_REPORT) { switch (error) { @@ -419,7 +421,7 @@ static int scsi_handle_rw_error(SCSIDiskReq *r, int error) break; } } - bdrv_error_action(s->qdev.conf.bs, action, is_read, error); + blk_error_action(s->qdev.conf.blk, action, is_read, error); if (action == BLOCK_ERROR_ACTION_STOP) { scsi_req_retry(&r->req); } @@ -434,7 +436,7 @@ static void scsi_write_complete(void * opaque, int ret) if (r->req.aiocb != NULL) { r->req.aiocb = NULL; - block_acct_done(bdrv_get_stats(s->qdev.conf.bs), &r->acct); + block_acct_done(blk_get_stats(s->qdev.conf.blk), &r->acct); } if (r->req.io_canceled) { scsi_req_cancel_complete(&r->req); @@ -502,16 +504,16 @@ static void scsi_write_data(SCSIRequest *req) } if (r->req.sg) { - dma_acct_start(s->qdev.conf.bs, &r->acct, r->req.sg, BLOCK_ACCT_WRITE); + dma_acct_start(s->qdev.conf.blk, &r->acct, r->req.sg, BLOCK_ACCT_WRITE); r->req.resid -= r->req.sg->size; - r->req.aiocb = dma_bdrv_write(s->qdev.conf.bs, r->req.sg, r->sector, - scsi_dma_complete, r); + r->req.aiocb = dma_blk_write(s->qdev.conf.blk, r->req.sg, r->sector, + scsi_dma_complete, r); } else { n = r->qiov.size / 512; - block_acct_start(bdrv_get_stats(s->qdev.conf.bs), &r->acct, + block_acct_start(blk_get_stats(s->qdev.conf.blk), &r->acct, n * BDRV_SECTOR_SIZE, BLOCK_ACCT_WRITE); - r->req.aiocb = bdrv_aio_writev(s->qdev.conf.bs, r->sector, &r->qiov, n, - scsi_write_complete, r); + r->req.aiocb = blk_aio_writev(s->qdev.conf.blk, r->sector, &r->qiov, n, + scsi_write_complete, r); } } @@ -578,7 +580,7 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) case 0x83: /* Device identification page, mandatory */ { - const char *str = s->serial ?: bdrv_get_device_name(s->qdev.conf.bs); + const char *str = s->serial ?: blk_name(s->qdev.conf.blk); int max_len = s->serial ? 20 : 255 - 8; int id_len = strlen(str); @@ -739,10 +741,10 @@ static inline bool media_is_dvd(SCSIDiskState *s) if (s->qdev.type != TYPE_ROM) { return false; } - if (!bdrv_is_inserted(s->qdev.conf.bs)) { + if (!blk_is_inserted(s->qdev.conf.blk)) { return false; } - bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); + blk_get_geometry(s->qdev.conf.blk, &nb_sectors); return nb_sectors > CD_MAX_SECTORS; } @@ -752,10 +754,10 @@ static inline bool media_is_cd(SCSIDiskState *s) if (s->qdev.type != TYPE_ROM) { return false; } - if (!bdrv_is_inserted(s->qdev.conf.bs)) { + if (!blk_is_inserted(s->qdev.conf.blk)) { return false; } - bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); + blk_get_geometry(s->qdev.conf.blk, &nb_sectors); return nb_sectors <= CD_MAX_SECTORS; } @@ -816,7 +818,7 @@ static int scsi_read_dvd_structure(SCSIDiskState *s, SCSIDiskReq *r, } if (format != 0xff) { - if (s->tray_open || !bdrv_is_inserted(s->qdev.conf.bs)) { + if (s->tray_open || !blk_is_inserted(s->qdev.conf.blk)) { scsi_check_condition(r, SENSE_CODE(NO_MEDIUM)); return -1; } @@ -838,7 +840,7 @@ static int scsi_read_dvd_structure(SCSIDiskState *s, SCSIDiskReq *r, if (layer != 0) { goto fail; } - bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); + blk_get_geometry(s->qdev.conf.blk, &nb_sectors); outbuf[4] = 1; /* DVD-ROM, part version 1 */ outbuf[5] = 0xf; /* 120mm disc, minimum rate unspecified */ @@ -893,7 +895,7 @@ static int scsi_event_status_media(SCSIDiskState *s, uint8_t *outbuf) media_status = 0; if (s->tray_open) { media_status = MS_TRAY_OPEN; - } else if (bdrv_is_inserted(s->qdev.conf.bs)) { + } else if (blk_is_inserted(s->qdev.conf.blk)) { media_status = MS_MEDIA_PRESENT; } @@ -1091,7 +1093,7 @@ static int mode_sense_page(SCSIDiskState *s, int page, uint8_t **p_outbuf, case MODE_PAGE_CACHING: length = 0x12; if (page_control == 1 || /* Changeable Values */ - bdrv_enable_write_cache(s->qdev.conf.bs)) { + blk_enable_write_cache(s->qdev.conf.blk)) { p[0] = 4; /* WCE */ } break; @@ -1172,7 +1174,7 @@ static int scsi_disk_emulate_mode_sense(SCSIDiskReq *r, uint8_t *outbuf) if (s->qdev.type == TYPE_DISK) { dev_specific_param = s->features & (1 << SCSI_DISK_F_DPOFUA) ? 0x10 : 0; - if (bdrv_is_read_only(s->qdev.conf.bs)) { + if (blk_is_read_only(s->qdev.conf.blk)) { dev_specific_param |= 0x80; /* Readonly. */ } } else { @@ -1194,7 +1196,7 @@ static int scsi_disk_emulate_mode_sense(SCSIDiskReq *r, uint8_t *outbuf) p += 8; } - bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); + blk_get_geometry(s->qdev.conf.blk, &nb_sectors); if (!dbd && nb_sectors) { if (r->req.cmd.buf[0] == MODE_SENSE) { outbuf[3] = 8; /* Block descriptor length */ @@ -1257,7 +1259,7 @@ static int scsi_disk_emulate_read_toc(SCSIRequest *req, uint8_t *outbuf) msf = req->cmd.buf[1] & 2; format = req->cmd.buf[2] & 0xf; start_track = req->cmd.buf[6]; - bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); + blk_get_geometry(s->qdev.conf.blk, &nb_sectors); DPRINTF("Read TOC (track %d format %d msf %d)\n", start_track, format, msf >> 1); nb_sectors /= s->qdev.blocksize / 512; switch (format) { @@ -1297,14 +1299,14 @@ static int scsi_disk_emulate_start_stop(SCSIDiskReq *r) if ((s->features & (1 << SCSI_DISK_F_REMOVABLE)) && loej) { if (!start && !s->tray_open && s->tray_locked) { scsi_check_condition(r, - bdrv_is_inserted(s->qdev.conf.bs) + blk_is_inserted(s->qdev.conf.blk) ? SENSE_CODE(ILLEGAL_REQ_REMOVAL_PREVENTED) : SENSE_CODE(NOT_READY_REMOVAL_PREVENTED)); return -1; } if (s->tray_open != !start) { - bdrv_eject(s->qdev.conf.bs, !start); + blk_eject(s->qdev.conf.blk, !start); s->tray_open = !start; } } @@ -1371,7 +1373,7 @@ static void scsi_disk_apply_mode_select(SCSIDiskState *s, int page, uint8_t *p) { switch (page) { case MODE_PAGE_CACHING: - bdrv_set_enable_write_cache(s->qdev.conf.bs, (p[0] & 4) != 0); + blk_set_enable_write_cache(s->qdev.conf.blk, (p[0] & 4) != 0); break; default: @@ -1474,12 +1476,12 @@ static void scsi_disk_emulate_mode_select(SCSIDiskReq *r, uint8_t *inbuf) return; } } - if (!bdrv_enable_write_cache(s->qdev.conf.bs)) { + if (!blk_enable_write_cache(s->qdev.conf.blk)) { /* The request is used as the AIO opaque value, so add a ref. */ scsi_req_ref(&r->req); - block_acct_start(bdrv_get_stats(s->qdev.conf.bs), &r->acct, 0, + block_acct_start(blk_get_stats(s->qdev.conf.blk), &r->acct, 0, BLOCK_ACCT_FLUSH); - r->req.aiocb = bdrv_aio_flush(s->qdev.conf.bs, scsi_aio_complete, r); + r->req.aiocb = blk_aio_flush(s->qdev.conf.blk, scsi_aio_complete, r); return; } @@ -1548,10 +1550,10 @@ static void scsi_unmap_complete(void *opaque, int ret) goto done; } - r->req.aiocb = bdrv_aio_discard(s->qdev.conf.bs, - sector_num * (s->qdev.blocksize / 512), - nb_sectors * (s->qdev.blocksize / 512), - scsi_unmap_complete, data); + r->req.aiocb = blk_aio_discard(s->qdev.conf.blk, + sector_num * (s->qdev.blocksize / 512), + nb_sectors * (s->qdev.blocksize / 512), + scsi_unmap_complete, data); data->count--; data->inbuf += 16; return; @@ -1589,7 +1591,7 @@ static void scsi_disk_emulate_unmap(SCSIDiskReq *r, uint8_t *inbuf) goto invalid_param_len; } - if (bdrv_is_read_only(s->qdev.conf.bs)) { + if (blk_is_read_only(s->qdev.conf.blk)) { scsi_check_condition(r, SENSE_CODE(WRITE_PROTECTED)); return; } @@ -1628,7 +1630,7 @@ static void scsi_write_same_complete(void *opaque, int ret) assert(r->req.aiocb != NULL); r->req.aiocb = NULL; - block_acct_done(bdrv_get_stats(s->qdev.conf.bs), &r->acct); + block_acct_done(blk_get_stats(s->qdev.conf.blk), &r->acct); if (r->req.io_canceled) { scsi_req_cancel_complete(&r->req); goto done; @@ -1644,11 +1646,11 @@ static void scsi_write_same_complete(void *opaque, int ret) data->sector += data->iov.iov_len / 512; data->iov.iov_len = MIN(data->nb_sectors * 512, data->iov.iov_len); if (data->iov.iov_len) { - block_acct_start(bdrv_get_stats(s->qdev.conf.bs), &r->acct, + block_acct_start(blk_get_stats(s->qdev.conf.blk), &r->acct, data->iov.iov_len, BLOCK_ACCT_WRITE); - r->req.aiocb = bdrv_aio_writev(s->qdev.conf.bs, data->sector, - &data->qiov, data->iov.iov_len / 512, - scsi_write_same_complete, data); + r->req.aiocb = blk_aio_writev(s->qdev.conf.blk, data->sector, + &data->qiov, data->iov.iov_len / 512, + scsi_write_same_complete, data); return; } @@ -1675,7 +1677,7 @@ static void scsi_disk_emulate_write_same(SCSIDiskReq *r, uint8_t *inbuf) return; } - if (bdrv_is_read_only(s->qdev.conf.bs)) { + if (blk_is_read_only(s->qdev.conf.blk)) { scsi_check_condition(r, SENSE_CODE(WRITE_PROTECTED)); return; } @@ -1689,13 +1691,13 @@ static void scsi_disk_emulate_write_same(SCSIDiskReq *r, uint8_t *inbuf) /* The request is used as the AIO opaque value, so add a ref. */ scsi_req_ref(&r->req); - block_acct_start(bdrv_get_stats(s->qdev.conf.bs), &r->acct, + block_acct_start(blk_get_stats(s->qdev.conf.blk), &r->acct, nb_sectors * s->qdev.blocksize, BLOCK_ACCT_WRITE); - r->req.aiocb = bdrv_aio_write_zeroes(s->qdev.conf.bs, - r->req.cmd.lba * (s->qdev.blocksize / 512), - nb_sectors * (s->qdev.blocksize / 512), - flags, scsi_aio_complete, r); + r->req.aiocb = blk_aio_write_zeroes(s->qdev.conf.blk, + r->req.cmd.lba * (s->qdev.blocksize / 512), + nb_sectors * (s->qdev.blocksize / 512), + flags, scsi_aio_complete, r); return; } @@ -1704,7 +1706,8 @@ static void scsi_disk_emulate_write_same(SCSIDiskReq *r, uint8_t *inbuf) data->sector = r->req.cmd.lba * (s->qdev.blocksize / 512); data->nb_sectors = nb_sectors * (s->qdev.blocksize / 512); data->iov.iov_len = MIN(data->nb_sectors * 512, SCSI_WRITE_SAME_MAX); - data->iov.iov_base = buf = qemu_blockalign(s->qdev.conf.bs, data->iov.iov_len); + data->iov.iov_base = buf = blk_blockalign(s->qdev.conf.blk, + data->iov.iov_len); qemu_iovec_init_external(&data->qiov, &data->iov, 1); for (i = 0; i < data->iov.iov_len; i += s->qdev.blocksize) { @@ -1712,11 +1715,11 @@ static void scsi_disk_emulate_write_same(SCSIDiskReq *r, uint8_t *inbuf) } scsi_req_ref(&r->req); - block_acct_start(bdrv_get_stats(s->qdev.conf.bs), &r->acct, + block_acct_start(blk_get_stats(s->qdev.conf.blk), &r->acct, data->iov.iov_len, BLOCK_ACCT_WRITE); - r->req.aiocb = bdrv_aio_writev(s->qdev.conf.bs, data->sector, - &data->qiov, data->iov.iov_len / 512, - scsi_write_same_complete, data); + r->req.aiocb = blk_aio_writev(s->qdev.conf.blk, data->sector, + &data->qiov, data->iov.iov_len / 512, + scsi_write_same_complete, data); } static void scsi_disk_emulate_write_data(SCSIRequest *req) @@ -1785,7 +1788,7 @@ static int32_t scsi_disk_emulate_command(SCSIRequest *req, uint8_t *buf) break; default: - if (s->tray_open || !bdrv_is_inserted(s->qdev.conf.bs)) { + if (s->tray_open || !blk_is_inserted(s->qdev.conf.blk)) { scsi_check_condition(r, SENSE_CODE(NO_MEDIUM)); return 0; } @@ -1806,7 +1809,7 @@ static int32_t scsi_disk_emulate_command(SCSIRequest *req, uint8_t *buf) r->buflen = MAX(4096, req->cmd.xfer); if (!r->iov.iov_base) { - r->iov.iov_base = qemu_blockalign(s->qdev.conf.bs, r->buflen); + r->iov.iov_base = blk_blockalign(s->qdev.conf.blk, r->buflen); } buflen = req->cmd.xfer; @@ -1814,7 +1817,7 @@ static int32_t scsi_disk_emulate_command(SCSIRequest *req, uint8_t *buf) memset(outbuf, 0, r->buflen); switch (req->cmd.buf[0]) { case TEST_UNIT_READY: - assert(!s->tray_open && bdrv_is_inserted(s->qdev.conf.bs)); + assert(!s->tray_open && blk_is_inserted(s->qdev.conf.blk)); break; case INQUIRY: buflen = scsi_disk_emulate_inquiry(req, outbuf); @@ -1862,12 +1865,12 @@ static int32_t scsi_disk_emulate_command(SCSIRequest *req, uint8_t *buf) break; case ALLOW_MEDIUM_REMOVAL: s->tray_locked = req->cmd.buf[4] & 1; - bdrv_lock_medium(s->qdev.conf.bs, req->cmd.buf[4] & 1); + blk_lock_medium(s->qdev.conf.blk, req->cmd.buf[4] & 1); break; case READ_CAPACITY_10: /* The normal LEN field for this command is zero. */ memset(outbuf, 0, 8); - bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); + blk_get_geometry(s->qdev.conf.blk, &nb_sectors); if (!nb_sectors) { scsi_check_condition(r, SENSE_CODE(LUN_NOT_READY)); return 0; @@ -1936,7 +1939,7 @@ static int32_t scsi_disk_emulate_command(SCSIRequest *req, uint8_t *buf) if ((req->cmd.buf[1] & 31) == SAI_READ_CAPACITY_16) { DPRINTF("SAI READ CAPACITY(16)\n"); memset(outbuf, 0, req->cmd.xfer); - bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); + blk_get_geometry(s->qdev.conf.blk, &nb_sectors); if (!nb_sectors) { scsi_check_condition(r, SENSE_CODE(LUN_NOT_READY)); return 0; @@ -1977,9 +1980,9 @@ static int32_t scsi_disk_emulate_command(SCSIRequest *req, uint8_t *buf) case SYNCHRONIZE_CACHE: /* The request is used as the AIO opaque value, so add a ref. */ scsi_req_ref(&r->req); - block_acct_start(bdrv_get_stats(s->qdev.conf.bs), &r->acct, 0, + block_acct_start(blk_get_stats(s->qdev.conf.blk), &r->acct, 0, BLOCK_ACCT_FLUSH); - r->req.aiocb = bdrv_aio_flush(s->qdev.conf.bs, scsi_aio_complete, r); + r->req.aiocb = blk_aio_flush(s->qdev.conf.blk, scsi_aio_complete, r); return 0; case SEEK_10: DPRINTF("Seek(10) (sector %" PRId64 ")\n", r->req.cmd.lba); @@ -2053,7 +2056,7 @@ static int32_t scsi_disk_dma_command(SCSIRequest *req, uint8_t *buf) command = buf[0]; - if (s->tray_open || !bdrv_is_inserted(s->qdev.conf.bs)) { + if (s->tray_open || !blk_is_inserted(s->qdev.conf.blk)) { scsi_check_condition(r, SENSE_CODE(NO_MEDIUM)); return 0; } @@ -2081,7 +2084,7 @@ static int32_t scsi_disk_dma_command(SCSIRequest *req, uint8_t *buf) case WRITE_VERIFY_10: case WRITE_VERIFY_12: case WRITE_VERIFY_16: - if (bdrv_is_read_only(s->qdev.conf.bs)) { + if (blk_is_read_only(s->qdev.conf.blk)) { scsi_check_condition(r, SENSE_CODE(WRITE_PROTECTED)); return 0; } @@ -2124,7 +2127,7 @@ static void scsi_disk_reset(DeviceState *dev) scsi_device_purge_requests(&s->qdev, SENSE_CODE(RESET)); - bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); + blk_get_geometry(s->qdev.conf.blk, &nb_sectors); nb_sectors /= s->qdev.blocksize / 512; if (nb_sectors) { nb_sectors--; @@ -2140,7 +2143,7 @@ static void scsi_unrealize(SCSIDevice *dev, Error **errp) SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev); scsi_device_purge_requests(&s->qdev, SENSE_CODE(NO_SENSE)); - blockdev_mark_auto_del(s->qdev.conf.bs); + blockdev_mark_auto_del(s->qdev.conf.blk); } static void scsi_disk_resize_cb(void *opaque) @@ -2223,13 +2226,13 @@ static void scsi_realize(SCSIDevice *dev, Error **errp) SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev); Error *err = NULL; - if (!s->qdev.conf.bs) { + if (!s->qdev.conf.blk) { error_setg(errp, "drive property not set"); return; } if (!(s->features & (1 << SCSI_DISK_F_REMOVABLE)) && - !bdrv_is_inserted(s->qdev.conf.bs)) { + !blk_is_inserted(s->qdev.conf.blk)) { error_setg(errp, "Device needs media, but drive is empty"); return; } @@ -2255,20 +2258,20 @@ static void scsi_realize(SCSIDevice *dev, Error **errp) s->vendor = g_strdup("QEMU"); } - if (bdrv_is_sg(s->qdev.conf.bs)) { + if (blk_is_sg(s->qdev.conf.blk)) { error_setg(errp, "unwanted /dev/sg*"); return; } if ((s->features & (1 << SCSI_DISK_F_REMOVABLE)) && !(s->features & (1 << SCSI_DISK_F_NO_REMOVABLE_DEVOPS))) { - bdrv_set_dev_ops(s->qdev.conf.bs, &scsi_disk_removable_block_ops, s); + blk_set_dev_ops(s->qdev.conf.blk, &scsi_disk_removable_block_ops, s); } else { - bdrv_set_dev_ops(s->qdev.conf.bs, &scsi_disk_block_ops, s); + blk_set_dev_ops(s->qdev.conf.blk, &scsi_disk_block_ops, s); } - bdrv_set_guest_block_size(s->qdev.conf.bs, s->qdev.blocksize); + blk_set_guest_block_size(s->qdev.conf.blk, s->qdev.blocksize); - bdrv_iostatus_enable(s->qdev.conf.bs); + blk_iostatus_enable(s->qdev.conf.blk); } static void scsi_hd_realize(SCSIDevice *dev, Error **errp) @@ -2299,15 +2302,15 @@ static void scsi_disk_realize(SCSIDevice *dev, Error **errp) DriveInfo *dinfo; Error *local_err = NULL; - if (!dev->conf.bs) { + if (!dev->conf.blk) { scsi_realize(dev, &local_err); assert(local_err); error_propagate(errp, local_err); return; } - dinfo = drive_get_by_blockdev(dev->conf.bs); - if (dinfo->media_cd) { + dinfo = blk_legacy_dinfo(dev->conf.blk); + if (dinfo && dinfo->media_cd) { scsi_cd_realize(dev, errp); } else { scsi_hd_realize(dev, errp); @@ -2406,7 +2409,6 @@ static SCSIRequest *scsi_new_request(SCSIDevice *d, uint32_t tag, uint32_t lun, #ifdef __linux__ static int get_device_type(SCSIDiskState *s) { - BlockDriverState *bdrv = s->qdev.conf.bs; uint8_t cmd[16]; uint8_t buf[36]; uint8_t sensebuf[8]; @@ -2429,7 +2431,7 @@ static int get_device_type(SCSIDiskState *s) io_header.sbp = sensebuf; io_header.timeout = 6000; /* XXX */ - ret = bdrv_ioctl(bdrv, SG_IO, &io_header); + ret = blk_ioctl(s->qdev.conf.blk, SG_IO, &io_header); if (ret < 0 || io_header.driver_status || io_header.host_status) { return -1; } @@ -2446,13 +2448,13 @@ static void scsi_block_realize(SCSIDevice *dev, Error **errp) int sg_version; int rc; - if (!s->qdev.conf.bs) { + if (!s->qdev.conf.blk) { error_setg(errp, "drive property not set"); return; } /* check we are using a driver managing SG_IO (version 3 and after) */ - rc = bdrv_ioctl(s->qdev.conf.bs, SG_GET_VERSION_NUM, &sg_version); + rc = blk_ioctl(s->qdev.conf.blk, SG_GET_VERSION_NUM, &sg_version); if (rc < 0) { error_setg(errp, "cannot get SG_IO version number: %s. " "Is this a SCSI device?", @@ -2511,7 +2513,7 @@ static bool scsi_block_is_passthrough(SCSIDiskState *s, uint8_t *buf) * ones (such as WRITE SAME or EXTENDED COPY, etc.). So, without * O_DIRECT everything must go through SG_IO. */ - if (!(bdrv_get_flags(s->qdev.conf.bs) & BDRV_O_NOCACHE)) { + if (!(blk_get_flags(s->qdev.conf.blk) & BDRV_O_NOCACHE)) { break; } @@ -2660,7 +2662,7 @@ static const TypeInfo scsi_cd_info = { #ifdef __linux__ static Property scsi_block_properties[] = { - DEFINE_PROP_DRIVE("drive", SCSIDiskState, qdev.conf.bs), + DEFINE_PROP_DRIVE("drive", SCSIDiskState, qdev.conf.blk), DEFINE_PROP_END_OF_LIST(), }; diff --git a/hw/scsi/scsi-generic.c b/hw/scsi/scsi-generic.c index 84a1d5bfe3..f2e53afd09 100644 --- a/hw/scsi/scsi-generic.c +++ b/hw/scsi/scsi-generic.c @@ -14,6 +14,7 @@ #include "qemu-common.h" #include "qemu/error-report.h" #include "hw/scsi/scsi.h" +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #ifdef __linux__ @@ -141,9 +142,9 @@ done: scsi_req_unref(&r->req); } -static int execute_command(BlockDriverState *bdrv, +static int execute_command(BlockBackend *blk, SCSIGenericReq *r, int direction, - BlockDriverCompletionFunc *complete) + BlockCompletionFunc *complete) { r->io_header.interface_id = 'S'; r->io_header.dxfer_direction = direction; @@ -157,7 +158,7 @@ static int execute_command(BlockDriverState *bdrv, r->io_header.usr_ptr = r; r->io_header.flags |= SG_FLAG_DIRECT_IO; - r->req.aiocb = bdrv_aio_ioctl(bdrv, SG_IO, &r->io_header, complete, r); + r->req.aiocb = blk_aio_ioctl(blk, SG_IO, &r->io_header, complete, r); if (r->req.aiocb == NULL) { return -EIO; } @@ -193,7 +194,7 @@ static void scsi_read_complete(void * opaque, int ret) s->blocksize = ldl_be_p(&r->buf[8]); s->max_lba = ldq_be_p(&r->buf[0]); } - bdrv_set_guest_block_size(s->conf.bs, s->blocksize); + blk_set_guest_block_size(s->conf.blk, s->blocksize); scsi_req_data(&r->req, len); scsi_req_unref(&r->req); @@ -216,7 +217,8 @@ static void scsi_read_data(SCSIRequest *req) return; } - ret = execute_command(s->conf.bs, r, SG_DXFER_FROM_DEV, scsi_read_complete); + ret = execute_command(s->conf.blk, r, SG_DXFER_FROM_DEV, + scsi_read_complete); if (ret < 0) { scsi_command_complete(r, ret); } @@ -260,7 +262,7 @@ static void scsi_write_data(SCSIRequest *req) /* The request is used as the AIO opaque value, so add a ref. */ scsi_req_ref(&r->req); - ret = execute_command(s->conf.bs, r, SG_DXFER_TO_DEV, scsi_write_complete); + ret = execute_command(s->conf.blk, r, SG_DXFER_TO_DEV, scsi_write_complete); if (ret < 0) { scsi_command_complete(r, ret); } @@ -302,7 +304,8 @@ static int32_t scsi_send_command(SCSIRequest *req, uint8_t *cmd) r->buf = NULL; /* The request is used as the AIO opaque value, so add a ref. */ scsi_req_ref(&r->req); - ret = execute_command(s->conf.bs, r, SG_DXFER_NONE, scsi_command_complete); + ret = execute_command(s->conf.blk, r, SG_DXFER_NONE, + scsi_command_complete); if (ret < 0) { scsi_command_complete(r, ret); return 0; @@ -327,7 +330,7 @@ static int32_t scsi_send_command(SCSIRequest *req, uint8_t *cmd) } } -static int get_stream_blocksize(BlockDriverState *bdrv) +static int get_stream_blocksize(BlockBackend *blk) { uint8_t cmd[6]; uint8_t buf[12]; @@ -351,7 +354,7 @@ static int get_stream_blocksize(BlockDriverState *bdrv) io_header.sbp = sensebuf; io_header.timeout = 6000; /* XXX */ - ret = bdrv_ioctl(bdrv, SG_IO, &io_header); + ret = blk_ioctl(blk, SG_IO, &io_header); if (ret < 0 || io_header.driver_status || io_header.host_status) { return -1; } @@ -368,7 +371,7 @@ static void scsi_generic_reset(DeviceState *dev) static void scsi_unrealize(SCSIDevice *s, Error **errp) { scsi_device_purge_requests(s, SENSE_CODE(NO_SENSE)); - blockdev_mark_auto_del(s->conf.bs); + blockdev_mark_auto_del(s->conf.blk); } static void scsi_generic_realize(SCSIDevice *s, Error **errp) @@ -377,22 +380,22 @@ static void scsi_generic_realize(SCSIDevice *s, Error **errp) int sg_version; struct sg_scsi_id scsiid; - if (!s->conf.bs) { + if (!s->conf.blk) { error_setg(errp, "drive property not set"); return; } - if (bdrv_get_on_error(s->conf.bs, 0) != BLOCKDEV_ON_ERROR_ENOSPC) { + if (blk_get_on_error(s->conf.blk, 0) != BLOCKDEV_ON_ERROR_ENOSPC) { error_setg(errp, "Device doesn't support drive option werror"); return; } - if (bdrv_get_on_error(s->conf.bs, 1) != BLOCKDEV_ON_ERROR_REPORT) { + if (blk_get_on_error(s->conf.blk, 1) != BLOCKDEV_ON_ERROR_REPORT) { error_setg(errp, "Device doesn't support drive option rerror"); return; } /* check we are using a driver managing SG_IO (version 3 and after */ - rc = bdrv_ioctl(s->conf.bs, SG_GET_VERSION_NUM, &sg_version); + rc = blk_ioctl(s->conf.blk, SG_GET_VERSION_NUM, &sg_version); if (rc < 0) { error_setg(errp, "cannot get SG_IO version number: %s. " "Is this a SCSI device?", @@ -405,7 +408,7 @@ static void scsi_generic_realize(SCSIDevice *s, Error **errp) } /* get LUN of the /dev/sg? */ - if (bdrv_ioctl(s->conf.bs, SG_GET_SCSI_ID, &scsiid)) { + if (blk_ioctl(s->conf.blk, SG_GET_SCSI_ID, &scsiid)) { error_setg(errp, "SG_GET_SCSI_ID ioctl failed"); return; } @@ -416,7 +419,7 @@ static void scsi_generic_realize(SCSIDevice *s, Error **errp) switch (s->type) { case TYPE_TAPE: - s->blocksize = get_stream_blocksize(s->conf.bs); + s->blocksize = get_stream_blocksize(s->conf.blk); if (s->blocksize == -1) { s->blocksize = 0; } @@ -459,7 +462,7 @@ static SCSIRequest *scsi_new_request(SCSIDevice *d, uint32_t tag, uint32_t lun, } static Property scsi_generic_properties[] = { - DEFINE_PROP_DRIVE("drive", SCSIDevice, conf.bs), + DEFINE_PROP_DRIVE("drive", SCSIDevice, conf.blk), DEFINE_PROP_END_OF_LIST(), }; diff --git a/hw/scsi/virtio-scsi-dataplane.c b/hw/scsi/virtio-scsi-dataplane.c index b778e051f8..48dcfd2852 100644 --- a/hw/scsi/virtio-scsi-dataplane.c +++ b/hw/scsi/virtio-scsi-dataplane.c @@ -13,6 +13,7 @@ #include "hw/virtio/virtio-scsi.h" #include "qemu/error-report.h" +#include "sysemu/block-backend.h" #include <hw/scsi/scsi.h> #include <block/scsi.h> #include <hw/virtio/virtio-bus.h> @@ -205,7 +206,7 @@ void virtio_scsi_dataplane_stop(VirtIOSCSI *s) aio_set_event_notifier(s->ctx, &s->cmd_vrings[i]->host_notifier, NULL); } - bdrv_drain_all(); /* ensure there are no in-flight requests */ + blk_drain_all(); /* ensure there are no in-flight requests */ aio_context_release(s->ctx); diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c index 8547ea0475..a1725b8f48 100644 --- a/hw/scsi/virtio-scsi.c +++ b/hw/scsi/virtio-scsi.c @@ -16,6 +16,7 @@ #include "hw/virtio/virtio-scsi.h" #include "qemu/error-report.h" #include "qemu/iov.h" +#include "sysemu/block-backend.h" #include <hw/scsi/scsi.h> #include <block/scsi.h> #include <hw/virtio/virtio-bus.h> @@ -236,9 +237,9 @@ static int virtio_scsi_do_tmf(VirtIOSCSI *s, VirtIOSCSIReq *req) int target; int ret = 0; - if (s->dataplane_started && bdrv_get_aio_context(d->conf.bs) != s->ctx) { + if (s->dataplane_started && blk_get_aio_context(d->conf.blk) != s->ctx) { aio_context_acquire(s->ctx); - bdrv_set_aio_context(d->conf.bs, s->ctx); + blk_set_aio_context(d->conf.blk, s->ctx); aio_context_release(s->ctx); } /* Here VIRTIO_SCSI_S_OK means "FUNCTION COMPLETE". */ @@ -522,9 +523,9 @@ bool virtio_scsi_handle_cmd_req_prepare(VirtIOSCSI *s, VirtIOSCSIReq *req) virtio_scsi_complete_cmd_req(req); return false; } - if (s->dataplane_started && bdrv_get_aio_context(d->conf.bs) != s->ctx) { + if (s->dataplane_started && blk_get_aio_context(d->conf.blk) != s->ctx) { aio_context_acquire(s->ctx); - bdrv_set_aio_context(d->conf.bs, s->ctx); + blk_set_aio_context(d->conf.blk, s->ctx); aio_context_release(s->ctx); } req->sreq = scsi_req_new(d, req->req.cmd.tag, @@ -539,7 +540,7 @@ bool virtio_scsi_handle_cmd_req_prepare(VirtIOSCSI *s, VirtIOSCSIReq *req) return false; } scsi_req_ref(req->sreq); - bdrv_io_plug(d->conf.bs); + blk_io_plug(d->conf.blk); return true; } @@ -549,7 +550,7 @@ void virtio_scsi_handle_cmd_req_submit(VirtIOSCSI *s, VirtIOSCSIReq *req) if (scsi_req_enqueue(sreq)) { scsi_req_continue(sreq); } - bdrv_io_unplug(sreq->dev->conf.bs); + blk_io_unplug(sreq->dev->conf.blk); scsi_req_unref(sreq); } @@ -832,7 +833,7 @@ static void virtio_scsi_migration_state_changed(Notifier *notifier, void *data) if (s->dataplane_started) { return; } - bdrv_drain_all(); /* complete in-flight non-dataplane requests */ + blk_drain_all(); /* complete in-flight non-dataplane requests */ s->dataplane_disabled = false; } } diff --git a/hw/sd/milkymist-memcard.c b/hw/sd/milkymist-memcard.c index 2a40f92732..9661eafac8 100644 --- a/hw/sd/milkymist-memcard.c +++ b/hw/sd/milkymist-memcard.c @@ -26,6 +26,7 @@ #include "sysemu/sysemu.h" #include "trace.h" #include "qemu/error-report.h" +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "hw/sd.h" @@ -252,14 +253,16 @@ static int milkymist_memcard_init(SysBusDevice *dev) { MilkymistMemcardState *s = MILKYMIST_MEMCARD(dev); DriveInfo *dinfo; + BlockBackend *blk; dinfo = drive_get_next(IF_SD); - s->card = sd_init(dinfo ? dinfo->bdrv : NULL, false); + blk = dinfo ? blk_by_legacy_dinfo(dinfo) : NULL; + s->card = sd_init(blk, false); if (s->card == NULL) { return -1; } - s->enabled = dinfo ? bdrv_is_inserted(dinfo->bdrv) : 0; + s->enabled = blk && blk_is_inserted(blk); memory_region_init_io(&s->regs_region, OBJECT(s), &memcard_mmio_ops, s, "milkymist-memcard", R_MAX * 4); diff --git a/hw/sd/omap_mmc.c b/hw/sd/omap_mmc.c index 6c92149c04..86c477d720 100644 --- a/hw/sd/omap_mmc.c +++ b/hw/sd/omap_mmc.c @@ -574,7 +574,7 @@ static void omap_mmc_cover_cb(void *opaque, int line, int level) struct omap_mmc_s *omap_mmc_init(hwaddr base, MemoryRegion *sysmem, - BlockDriverState *bd, + BlockBackend *blk, qemu_irq irq, qemu_irq dma[], omap_clk clk) { struct omap_mmc_s *s = (struct omap_mmc_s *) @@ -592,7 +592,7 @@ struct omap_mmc_s *omap_mmc_init(hwaddr base, memory_region_add_subregion(sysmem, base, &s->iomem); /* Instantiate the storage */ - s->card = sd_init(bd, false); + s->card = sd_init(blk, false); if (s->card == NULL) { exit(1); } @@ -601,7 +601,7 @@ struct omap_mmc_s *omap_mmc_init(hwaddr base, } struct omap_mmc_s *omap2_mmc_init(struct omap_target_agent_s *ta, - BlockDriverState *bd, qemu_irq irq, qemu_irq dma[], + BlockBackend *blk, qemu_irq irq, qemu_irq dma[], omap_clk fclk, omap_clk iclk) { struct omap_mmc_s *s = (struct omap_mmc_s *) @@ -620,7 +620,7 @@ struct omap_mmc_s *omap2_mmc_init(struct omap_target_agent_s *ta, omap_l4_attach(ta, 0, &s->iomem); /* Instantiate the storage */ - s->card = sd_init(bd, false); + s->card = sd_init(blk, false); if (s->card == NULL) { exit(1); } diff --git a/hw/sd/pl181.c b/hw/sd/pl181.c index 462558b76d..e704b6e97a 100644 --- a/hw/sd/pl181.c +++ b/hw/sd/pl181.c @@ -7,6 +7,7 @@ * This code is licensed under the GPL. */ +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "hw/sysbus.h" #include "hw/sd.h" @@ -490,7 +491,7 @@ static int pl181_init(SysBusDevice *sbd) sysbus_init_irq(sbd, &s->irq[1]); qdev_init_gpio_out(dev, s->cardstatus, 2); dinfo = drive_get_next(IF_SD); - s->card = sd_init(dinfo ? dinfo->bdrv : NULL, false); + s->card = sd_init(dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, false); if (s->card == NULL) { return -1; } diff --git a/hw/sd/pxa2xx_mmci.c b/hw/sd/pxa2xx_mmci.c index b9d8b1a3e1..ac3ab39bea 100644 --- a/hw/sd/pxa2xx_mmci.c +++ b/hw/sd/pxa2xx_mmci.c @@ -523,7 +523,7 @@ static int pxa2xx_mmci_load(QEMUFile *f, void *opaque, int version_id) PXA2xxMMCIState *pxa2xx_mmci_init(MemoryRegion *sysmem, hwaddr base, - BlockDriverState *bd, qemu_irq irq, + BlockBackend *blk, qemu_irq irq, qemu_irq rx_dma, qemu_irq tx_dma) { PXA2xxMMCIState *s; @@ -538,7 +538,7 @@ PXA2xxMMCIState *pxa2xx_mmci_init(MemoryRegion *sysmem, memory_region_add_subregion(sysmem, base, &s->iomem); /* Instantiate the actual storage */ - s->card = sd_init(bd, false); + s->card = sd_init(blk, false); if (s->card == NULL) { exit(1); } diff --git a/hw/sd/sd.c b/hw/sd/sd.c index 5efe8c1af7..f955265f74 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -30,7 +30,7 @@ */ #include "hw/hw.h" -#include "block/block.h" +#include "sysemu/block-backend.h" #include "hw/sd.h" #include "qemu/bitmap.h" @@ -110,7 +110,7 @@ struct SDState { uint8_t data[512]; qemu_irq readonly_cb; qemu_irq inserted_cb; - BlockDriverState *bdrv; + BlockBackend *blk; uint8_t *buf; bool enable; @@ -389,13 +389,13 @@ static inline uint64_t sd_addr_to_wpnum(uint64_t addr) return addr >> (HWBLOCK_SHIFT + SECTOR_SHIFT + WPGROUP_SHIFT); } -static void sd_reset(SDState *sd, BlockDriverState *bdrv) +static void sd_reset(SDState *sd, BlockBackend *blk) { uint64_t size; uint64_t sect; - if (bdrv) { - bdrv_get_geometry(bdrv, §); + if (blk) { + blk_get_geometry(blk, §); } else { sect = 0; } @@ -412,11 +412,11 @@ static void sd_reset(SDState *sd, BlockDriverState *bdrv) sd_set_cardstatus(sd); sd_set_sdstatus(sd); - sd->bdrv = bdrv; + sd->blk = blk; if (sd->wp_groups) g_free(sd->wp_groups); - sd->wp_switch = bdrv ? bdrv_is_read_only(bdrv) : false; + sd->wp_switch = blk ? blk_is_read_only(blk) : false; sd->wpgrps_size = sect; sd->wp_groups = bitmap_new(sd->wpgrps_size); memset(sd->function_group, 0, sizeof(sd->function_group)); @@ -432,9 +432,9 @@ static void sd_cardchange(void *opaque, bool load) { SDState *sd = opaque; - qemu_set_irq(sd->inserted_cb, bdrv_is_inserted(sd->bdrv)); - if (bdrv_is_inserted(sd->bdrv)) { - sd_reset(sd, sd->bdrv); + qemu_set_irq(sd->inserted_cb, blk_is_inserted(sd->blk)); + if (blk_is_inserted(sd->blk)) { + sd_reset(sd, sd->blk); qemu_set_irq(sd->readonly_cb, sd->wp_switch); } } @@ -479,23 +479,23 @@ static const VMStateDescription sd_vmstate = { whether card should be in SSI or MMC/SD mode. It is also up to the board to ensure that ssi transfers only occur when the chip select is asserted. */ -SDState *sd_init(BlockDriverState *bs, bool is_spi) +SDState *sd_init(BlockBackend *blk, bool is_spi) { SDState *sd; - if (bs && bdrv_is_read_only(bs)) { + if (blk && blk_is_read_only(blk)) { fprintf(stderr, "sd_init: Cannot use read-only drive\n"); return NULL; } sd = (SDState *) g_malloc0(sizeof(SDState)); - sd->buf = qemu_blockalign(bs, 512); + sd->buf = blk_blockalign(blk, 512); sd->spi = is_spi; sd->enable = true; - sd_reset(sd, bs); - if (sd->bdrv) { - bdrv_attach_dev_nofail(sd->bdrv, sd); - bdrv_set_dev_ops(sd->bdrv, &sd_block_ops, sd); + sd_reset(sd, blk); + if (sd->blk) { + blk_attach_dev_nofail(sd->blk, sd); + blk_set_dev_ops(sd->blk, &sd_block_ops, sd); } vmstate_register(NULL, -1, &sd_vmstate, sd); return sd; @@ -505,8 +505,8 @@ void sd_set_cb(SDState *sd, qemu_irq readonly, qemu_irq insert) { sd->readonly_cb = readonly; sd->inserted_cb = insert; - qemu_set_irq(readonly, sd->bdrv ? bdrv_is_read_only(sd->bdrv) : 0); - qemu_set_irq(insert, sd->bdrv ? bdrv_is_inserted(sd->bdrv) : 0); + qemu_set_irq(readonly, sd->blk ? blk_is_read_only(sd->blk) : 0); + qemu_set_irq(insert, sd->blk ? blk_is_inserted(sd->blk) : 0); } static void sd_erase(SDState *sd) @@ -680,7 +680,7 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, default: sd->state = sd_idle_state; - sd_reset(sd, sd->bdrv); + sd_reset(sd, sd->blk); return sd->spi ? sd_r1 : sd_r0; } break; @@ -1347,7 +1347,7 @@ int sd_do_command(SDState *sd, SDRequest *req, sd_rsp_type_t rtype; int rsplen; - if (!sd->bdrv || !bdrv_is_inserted(sd->bdrv) || !sd->enable) { + if (!sd->blk || !blk_is_inserted(sd->blk) || !sd->enable) { return 0; } @@ -1456,7 +1456,7 @@ static void sd_blk_read(SDState *sd, uint64_t addr, uint32_t len) DPRINTF("sd_blk_read: addr = 0x%08llx, len = %d\n", (unsigned long long) addr, len); - if (!sd->bdrv || bdrv_read(sd->bdrv, addr >> 9, sd->buf, 1) < 0) { + if (!sd->blk || blk_read(sd->blk, addr >> 9, sd->buf, 1) < 0) { fprintf(stderr, "sd_blk_read: read error on host side\n"); return; } @@ -1464,7 +1464,7 @@ static void sd_blk_read(SDState *sd, uint64_t addr, uint32_t len) if (end > (addr & ~511) + 512) { memcpy(sd->data, sd->buf + (addr & 511), 512 - (addr & 511)); - if (bdrv_read(sd->bdrv, end >> 9, sd->buf, 1) < 0) { + if (blk_read(sd->blk, end >> 9, sd->buf, 1) < 0) { fprintf(stderr, "sd_blk_read: read error on host side\n"); return; } @@ -1478,29 +1478,29 @@ static void sd_blk_write(SDState *sd, uint64_t addr, uint32_t len) uint64_t end = addr + len; if ((addr & 511) || len < 512) - if (!sd->bdrv || bdrv_read(sd->bdrv, addr >> 9, sd->buf, 1) < 0) { + if (!sd->blk || blk_read(sd->blk, addr >> 9, sd->buf, 1) < 0) { fprintf(stderr, "sd_blk_write: read error on host side\n"); return; } if (end > (addr & ~511) + 512) { memcpy(sd->buf + (addr & 511), sd->data, 512 - (addr & 511)); - if (bdrv_write(sd->bdrv, addr >> 9, sd->buf, 1) < 0) { + if (blk_write(sd->blk, addr >> 9, sd->buf, 1) < 0) { fprintf(stderr, "sd_blk_write: write error on host side\n"); return; } - if (bdrv_read(sd->bdrv, end >> 9, sd->buf, 1) < 0) { + if (blk_read(sd->blk, end >> 9, sd->buf, 1) < 0) { fprintf(stderr, "sd_blk_write: read error on host side\n"); return; } memcpy(sd->buf, sd->data + 512 - (addr & 511), end & 511); - if (bdrv_write(sd->bdrv, end >> 9, sd->buf, 1) < 0) { + if (blk_write(sd->blk, end >> 9, sd->buf, 1) < 0) { fprintf(stderr, "sd_blk_write: write error on host side\n"); } } else { memcpy(sd->buf + (addr & 511), sd->data, len); - if (!sd->bdrv || bdrv_write(sd->bdrv, addr >> 9, sd->buf, 1) < 0) { + if (!sd->blk || blk_write(sd->blk, addr >> 9, sd->buf, 1) < 0) { fprintf(stderr, "sd_blk_write: write error on host side\n"); } } @@ -1515,7 +1515,7 @@ void sd_write_data(SDState *sd, uint8_t value) { int i; - if (!sd->bdrv || !bdrv_is_inserted(sd->bdrv) || !sd->enable) + if (!sd->blk || !blk_is_inserted(sd->blk) || !sd->enable) return; if (sd->state != sd_receivingdata_state) { @@ -1641,7 +1641,7 @@ uint8_t sd_read_data(SDState *sd) uint8_t ret; int io_len; - if (!sd->bdrv || !bdrv_is_inserted(sd->bdrv) || !sd->enable) + if (!sd->blk || !blk_is_inserted(sd->blk) || !sd->enable) return 0x00; if (sd->state != sd_sendingdata_state) { diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c index f9fe700add..b38005003c 100644 --- a/hw/sd/sdhci.c +++ b/hw/sd/sdhci.c @@ -23,6 +23,7 @@ */ #include "hw/hw.h" +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "sysemu/dma.h" #include "qemu/timer.h" @@ -1165,7 +1166,7 @@ static void sdhci_initfn(Object *obj) DriveInfo *di; di = drive_get_next(IF_SD); - s->card = sd_init(di ? di->bdrv : NULL, false); + s->card = sd_init(di ? blk_by_legacy_dinfo(di) : NULL, false); if (s->card == NULL) { exit(1); } diff --git a/hw/sd/ssi-sd.c b/hw/sd/ssi-sd.c index b012e57f64..a71fbca714 100644 --- a/hw/sd/ssi-sd.c +++ b/hw/sd/ssi-sd.c @@ -10,6 +10,7 @@ * GNU GPL, version 2 or (at your option) any later version. */ +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "hw/ssi.h" #include "hw/sd.h" @@ -255,7 +256,7 @@ static int ssi_sd_init(SSISlave *d) s->mode = SSI_SD_CMD; dinfo = drive_get_next(IF_SD); - s->sd = sd_init(dinfo ? dinfo->bdrv : NULL, true); + s->sd = sd_init(dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, true); if (s->sd == NULL) { return -1; } diff --git a/hw/sh4/r2d.c b/hw/sh4/r2d.c index 321379ece7..12f44d28f0 100644 --- a/hw/sh4/r2d.c +++ b/hw/sh4/r2d.c @@ -36,7 +36,7 @@ #include "hw/loader.h" #include "hw/usb.h" #include "hw/block/flash.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "exec/address-spaces.h" #define FLASH_BASE 0x00000000 @@ -290,8 +290,8 @@ static void r2d_init(MachineState *machine) /* onboard flash memory */ dinfo = drive_get(IF_PFLASH, 0, 0); pflash_cfi02_register(0x0, NULL, "r2d.flash", FLASH_SIZE, - dinfo ? dinfo->bdrv : NULL, (16 * 1024), - FLASH_SIZE >> 16, + dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, + (16 * 1024), FLASH_SIZE >> 16, 1, 4, 0x0000, 0x0000, 0x0000, 0x0000, 0x555, 0x2aa, 0); diff --git a/hw/sparc/sun4m.c b/hw/sparc/sun4m.c index 2feab35585..8273199f11 100644 --- a/hw/sparc/sun4m.c +++ b/hw/sparc/sun4m.c @@ -40,7 +40,7 @@ #include "hw/empty_slot.h" #include "hw/loader.h" #include "elf.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "trace.h" /* diff --git a/hw/sparc64/sun4u.c b/hw/sparc64/sun4u.c index 871a0ea246..f42112c1b2 100644 --- a/hw/sparc64/sun4u.c +++ b/hw/sparc64/sun4u.c @@ -38,7 +38,7 @@ #include "hw/ide.h" #include "hw/loader.h" #include "elf.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "exec/address-spaces.h" //#define DEBUG_IRQ diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c index 82747ee259..c0e7cd738a 100644 --- a/hw/tpm/tpm_tis.c +++ b/hw/tpm/tpm_tis.c @@ -21,7 +21,7 @@ #include "sysemu/tpm_backend.h" #include "tpm_int.h" -#include "block/block.h" +#include "sysemu/block-backend.h" #include "exec/address-spaces.h" #include "hw/hw.h" #include "hw/i386/pc.h" diff --git a/hw/tricore/tricore_testboard.c b/hw/tricore/tricore_testboard.c index 605de86302..eeb4922c4c 100644 --- a/hw/tricore/tricore_testboard.c +++ b/hw/tricore/tricore_testboard.c @@ -24,7 +24,7 @@ #include "sysemu/sysemu.h" #include "hw/boards.h" #include "hw/loader.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "exec/address-spaces.h" #include "hw/block/flash.h" #include "elf.h" diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c index 5bfc72ca45..4539733e42 100644 --- a/hw/usb/dev-storage.c +++ b/hw/usb/dev-storage.c @@ -16,6 +16,7 @@ #include "ui/console.h" #include "monitor/monitor.h" #include "sysemu/sysemu.h" +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "qapi/visitor.h" @@ -600,11 +601,11 @@ static const struct SCSIBusInfo usb_msd_scsi_info_bot = { static void usb_msd_realize_storage(USBDevice *dev, Error **errp) { MSDState *s = DO_UPCAST(MSDState, dev, dev); - BlockDriverState *bs = s->conf.bs; + BlockBackend *blk = s->conf.blk; SCSIDevice *scsi_dev; Error *err = NULL; - if (!bs) { + if (!blk) { error_setg(errp, "drive property not set"); return; } @@ -620,14 +621,14 @@ static void usb_msd_realize_storage(USBDevice *dev, Error **errp) * * The hack is probably a bad idea. */ - bdrv_detach_dev(bs, &s->dev.qdev); - s->conf.bs = NULL; + blk_detach_dev(blk, &s->dev.qdev); + s->conf.blk = NULL; usb_desc_create_serial(dev); usb_desc_init(dev); scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(dev), &usb_msd_scsi_info_storage, NULL); - scsi_dev = scsi_bus_legacy_add_drive(&s->bus, bs, 0, !!s->removable, + scsi_dev = scsi_bus_legacy_add_drive(&s->bus, blk, 0, !!s->removable, s->conf.bootindex, dev->serial, &err); if (!scsi_dev) { @@ -637,9 +638,10 @@ static void usb_msd_realize_storage(USBDevice *dev, Error **errp) usb_msd_handle_reset(dev); s->scsi_dev = scsi_dev; - if (bdrv_key_required(bs)) { + if (bdrv_key_required(blk_bs(blk))) { if (cur_mon) { - monitor_read_bdrv_key_start(cur_mon, bs, usb_msd_password_cb, s); + monitor_read_bdrv_key_start(cur_mon, blk_bs(blk), + usb_msd_password_cb, s); s->dev.auto_attach = 0; } else { autostart = 0; @@ -707,7 +709,8 @@ static USBDevice *usb_msd_init(USBBus *bus, const char *filename) if (!dev) { return NULL; } - if (qdev_prop_set_drive(&dev->qdev, "drive", dinfo->bdrv) < 0) { + if (qdev_prop_set_drive(&dev->qdev, "drive", + blk_by_legacy_dinfo(dinfo)) < 0) { object_unparent(OBJECT(dev)); return NULL; } diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index ae7fef96d5..542fb9e279 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -29,7 +29,7 @@ #include "hw/pci/msix.h" #include "hw/loader.h" #include "sysemu/kvm.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "virtio-pci.h" #include "qemu/range.h" #include "hw/virtio/virtio-bus.h" diff --git a/hw/xen/xen_devconfig.c b/hw/xen/xen_devconfig.c index fa998eff04..e138dbbec9 100644 --- a/hw/xen/xen_devconfig.c +++ b/hw/xen/xen_devconfig.c @@ -1,4 +1,5 @@ #include "hw/xen/xen_backend.h" +#include "sysemu/block-backend.h" #include "sysemu/blockdev.h" /* ------------------------------------------------------------- */ diff --git a/hw/xenpv/xen_machine_pv.c b/hw/xenpv/xen_machine_pv.c index 31500643a2..2e545d2418 100644 --- a/hw/xenpv/xen_machine_pv.c +++ b/hw/xenpv/xen_machine_pv.c @@ -26,7 +26,7 @@ #include "hw/boards.h" #include "hw/xen/xen_backend.h" #include "xen_domainbuild.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" static void xen_init_pv(MachineState *machine) { diff --git a/hw/xtensa/xtfpga.c b/hw/xtensa/xtfpga.c index ed06ff7956..0100c3115b 100644 --- a/hw/xtensa/xtfpga.c +++ b/hw/xtensa/xtfpga.c @@ -35,7 +35,7 @@ #include "net/net.h" #include "hw/sysbus.h" #include "hw/block/flash.h" -#include "sysemu/blockdev.h" +#include "sysemu/block-backend.h" #include "sysemu/char.h" #include "sysemu/device_tree.h" #include "qemu/error-report.h" @@ -230,7 +230,8 @@ static void lx_init(const LxBoardDesc *board, MachineState *machine) if (dinfo) { flash = pflash_cfi01_register(board->flash_base, NULL, "lx60.io.flash", board->flash_size, - dinfo->bdrv, board->flash_sector_size, + blk_by_legacy_dinfo(dinfo), + board->flash_sector_size, board->flash_size / board->flash_sector_size, 4, 0x0000, 0x0000, 0x0000, 0x0000, be); if (flash == NULL) { diff --git a/include/block/aio.h b/include/block/aio.h index 156272177f..6bf0e0456a 100644 --- a/include/block/aio.h +++ b/include/block/aio.h @@ -22,25 +22,25 @@ #include "qemu/rfifolock.h" #include "qemu/timer.h" -typedef struct BlockDriverAIOCB BlockDriverAIOCB; -typedef void BlockDriverCompletionFunc(void *opaque, int ret); +typedef struct BlockAIOCB BlockAIOCB; +typedef void BlockCompletionFunc(void *opaque, int ret); typedef struct AIOCBInfo { - void (*cancel_async)(BlockDriverAIOCB *acb); - AioContext *(*get_aio_context)(BlockDriverAIOCB *acb); + void (*cancel_async)(BlockAIOCB *acb); + AioContext *(*get_aio_context)(BlockAIOCB *acb); size_t aiocb_size; } AIOCBInfo; -struct BlockDriverAIOCB { +struct BlockAIOCB { const AIOCBInfo *aiocb_info; BlockDriverState *bs; - BlockDriverCompletionFunc *cb; + BlockCompletionFunc *cb; void *opaque; int refcnt; }; void *qemu_aio_get(const AIOCBInfo *aiocb_info, BlockDriverState *bs, - BlockDriverCompletionFunc *cb, void *opaque); + BlockCompletionFunc *cb, void *opaque); void qemu_aio_unref(void *p); void qemu_aio_ref(void *p); diff --git a/include/block/block.h b/include/block/block.h index 3318f0dfbe..c9ec0ab386 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -48,41 +48,6 @@ typedef struct BlockFragInfo { uint64_t compressed_clusters; } BlockFragInfo; -/* Callbacks for block device models */ -typedef struct BlockDevOps { - /* - * Runs when virtual media changed (monitor commands eject, change) - * Argument load is true on load and false on eject. - * Beware: doesn't run when a host device's physical media - * changes. Sure would be useful if it did. - * Device models with removable media must implement this callback. - */ - void (*change_media_cb)(void *opaque, bool load); - /* - * Runs when an eject request is issued from the monitor, the tray - * is closed, and the medium is locked. - * Device models that do not implement is_medium_locked will not need - * this callback. Device models that can lock the medium or tray might - * want to implement the callback and unlock the tray when "force" is - * true, even if they do not support eject requests. - */ - void (*eject_request_cb)(void *opaque, bool force); - /* - * Is the virtual tray open? - * Device models implement this only when the device has a tray. - */ - bool (*is_tray_open)(void *opaque); - /* - * Is the virtual medium locked into the device? - * Device models implement this only when device has such a lock. - */ - bool (*is_medium_locked)(void *opaque); - /* - * Runs when the size changed (e.g. monitor command block_resize) - */ - void (*resize_cb)(void *opaque); -} BlockDevOps; - typedef enum { BDRV_REQ_COPY_ON_READ = 0x1, BDRV_REQ_ZERO_WRITE = 0x2, @@ -204,7 +169,8 @@ BlockDriver *bdrv_find_whitelisted_format(const char *format_name, int bdrv_create(BlockDriver *drv, const char* filename, QemuOpts *opts, Error **errp); int bdrv_create_file(const char *filename, QemuOpts *opts, Error **errp); -BlockDriverState *bdrv_new(const char *device_name, Error **errp); +BlockDriverState *bdrv_new_root(void); +BlockDriverState *bdrv_new(void); void bdrv_make_anon(BlockDriverState *bs); void bdrv_swap(BlockDriverState *bs_new, BlockDriverState *bs_old); void bdrv_append(BlockDriverState *bs_new, BlockDriverState *bs_top); @@ -229,16 +195,6 @@ void bdrv_reopen_commit(BDRVReopenState *reopen_state); void bdrv_reopen_abort(BDRVReopenState *reopen_state); void bdrv_close(BlockDriverState *bs); void bdrv_add_close_notifier(BlockDriverState *bs, Notifier *notify); -int bdrv_attach_dev(BlockDriverState *bs, void *dev); -void bdrv_attach_dev_nofail(BlockDriverState *bs, void *dev); -void bdrv_detach_dev(BlockDriverState *bs, void *dev); -void *bdrv_get_attached_dev(BlockDriverState *bs); -void bdrv_set_dev_ops(BlockDriverState *bs, const BlockDevOps *ops, - void *opaque); -void bdrv_dev_eject_request(BlockDriverState *bs, bool force); -bool bdrv_dev_has_removable_media(BlockDriverState *bs); -bool bdrv_dev_is_tray_open(BlockDriverState *bs); -bool bdrv_dev_is_medium_locked(BlockDriverState *bs); int bdrv_read(BlockDriverState *bs, int64_t sector_num, uint8_t *buf, int nb_sectors); int bdrv_read_unthrottled(BlockDriverState *bs, int64_t sector_num, @@ -247,9 +203,9 @@ int bdrv_write(BlockDriverState *bs, int64_t sector_num, const uint8_t *buf, int nb_sectors); int bdrv_write_zeroes(BlockDriverState *bs, int64_t sector_num, int nb_sectors, BdrvRequestFlags flags); -BlockDriverAIOCB *bdrv_aio_write_zeroes(BlockDriverState *bs, int64_t sector_num, - int nb_sectors, BdrvRequestFlags flags, - BlockDriverCompletionFunc *cb, void *opaque); +BlockAIOCB *bdrv_aio_write_zeroes(BlockDriverState *bs, int64_t sector_num, + int nb_sectors, BdrvRequestFlags flags, + BlockCompletionFunc *cb, void *opaque); int bdrv_make_zero(BlockDriverState *bs, BdrvRequestFlags flags); int bdrv_pread(BlockDriverState *bs, int64_t offset, void *buf, int count); @@ -325,19 +281,19 @@ BlockDriverState *check_to_replace_node(const char *node_name, Error **errp); /* async block I/O */ typedef void BlockDriverDirtyHandler(BlockDriverState *bs, int64_t sector, int sector_num); -BlockDriverAIOCB *bdrv_aio_readv(BlockDriverState *bs, int64_t sector_num, - QEMUIOVector *iov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque); -BlockDriverAIOCB *bdrv_aio_writev(BlockDriverState *bs, int64_t sector_num, - QEMUIOVector *iov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque); -BlockDriverAIOCB *bdrv_aio_flush(BlockDriverState *bs, - BlockDriverCompletionFunc *cb, void *opaque); -BlockDriverAIOCB *bdrv_aio_discard(BlockDriverState *bs, - int64_t sector_num, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque); -void bdrv_aio_cancel(BlockDriverAIOCB *acb); -void bdrv_aio_cancel_async(BlockDriverAIOCB *acb); +BlockAIOCB *bdrv_aio_readv(BlockDriverState *bs, int64_t sector_num, + QEMUIOVector *iov, int nb_sectors, + BlockCompletionFunc *cb, void *opaque); +BlockAIOCB *bdrv_aio_writev(BlockDriverState *bs, int64_t sector_num, + QEMUIOVector *iov, int nb_sectors, + BlockCompletionFunc *cb, void *opaque); +BlockAIOCB *bdrv_aio_flush(BlockDriverState *bs, + BlockCompletionFunc *cb, void *opaque); +BlockAIOCB *bdrv_aio_discard(BlockDriverState *bs, + int64_t sector_num, int nb_sectors, + BlockCompletionFunc *cb, void *opaque); +void bdrv_aio_cancel(BlockAIOCB *acb); +void bdrv_aio_cancel_async(BlockAIOCB *acb); typedef struct BlockRequest { /* Fields to be filled by multiwrite caller */ @@ -345,7 +301,7 @@ typedef struct BlockRequest { int nb_sectors; int flags; QEMUIOVector *qiov; - BlockDriverCompletionFunc *cb; + BlockCompletionFunc *cb; void *opaque; /* Filled by multiwrite implementation */ @@ -357,9 +313,9 @@ int bdrv_aio_multiwrite(BlockDriverState *bs, BlockRequest *reqs, /* sg packet commands */ int bdrv_ioctl(BlockDriverState *bs, unsigned long int req, void *buf); -BlockDriverAIOCB *bdrv_aio_ioctl(BlockDriverState *bs, +BlockAIOCB *bdrv_aio_ioctl(BlockDriverState *bs, unsigned long int req, void *buf, - BlockDriverCompletionFunc *cb, void *opaque); + BlockCompletionFunc *cb, void *opaque); /* Invalidate any cached metadata used by image formats */ void bdrv_invalidate_cache(BlockDriverState *bs, Error **errp); @@ -410,15 +366,13 @@ BlockDriverState *bdrv_lookup_bs(const char *device, Error **errp); bool bdrv_chain_contains(BlockDriverState *top, BlockDriverState *base); BlockDriverState *bdrv_next(BlockDriverState *bs); -void bdrv_iterate(void (*it)(void *opaque, BlockDriverState *bs), - void *opaque); int bdrv_is_encrypted(BlockDriverState *bs); int bdrv_key_required(BlockDriverState *bs); int bdrv_set_key(BlockDriverState *bs, const char *key); int bdrv_query_missing_keys(void); void bdrv_iterate_format(void (*it)(void *opaque, const char *name), void *opaque); -const char *bdrv_get_device_name(BlockDriverState *bs); +const char *bdrv_get_device_name(const BlockDriverState *bs); int bdrv_get_flags(BlockDriverState *bs); int bdrv_write_compressed(BlockDriverState *bs, int64_t sector_num, const uint8_t *buf, int nb_sectors); diff --git a/include/block/block_int.h b/include/block/block_int.h index 8d86a6c1eb..8898c6c51b 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -128,17 +128,17 @@ struct BlockDriver { void (*bdrv_refresh_filename)(BlockDriverState *bs); /* aio */ - BlockDriverAIOCB *(*bdrv_aio_readv)(BlockDriverState *bs, + BlockAIOCB *(*bdrv_aio_readv)(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque); - BlockDriverAIOCB *(*bdrv_aio_writev)(BlockDriverState *bs, + BlockCompletionFunc *cb, void *opaque); + BlockAIOCB *(*bdrv_aio_writev)(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque); - BlockDriverAIOCB *(*bdrv_aio_flush)(BlockDriverState *bs, - BlockDriverCompletionFunc *cb, void *opaque); - BlockDriverAIOCB *(*bdrv_aio_discard)(BlockDriverState *bs, + BlockCompletionFunc *cb, void *opaque); + BlockAIOCB *(*bdrv_aio_flush)(BlockDriverState *bs, + BlockCompletionFunc *cb, void *opaque); + BlockAIOCB *(*bdrv_aio_discard)(BlockDriverState *bs, int64_t sector_num, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque); + BlockCompletionFunc *cb, void *opaque); int coroutine_fn (*bdrv_co_readv)(BlockDriverState *bs, int64_t sector_num, int nb_sectors, QEMUIOVector *qiov); @@ -218,9 +218,9 @@ struct BlockDriver { /* to control generic scsi devices */ int (*bdrv_ioctl)(BlockDriverState *bs, unsigned long int req, void *buf); - BlockDriverAIOCB *(*bdrv_aio_ioctl)(BlockDriverState *bs, + BlockAIOCB *(*bdrv_aio_ioctl)(BlockDriverState *bs, unsigned long int req, void *buf, - BlockDriverCompletionFunc *cb, void *opaque); + BlockCompletionFunc *cb, void *opaque); /* List of options for creating images, terminated by name == NULL */ QemuOptsList *create_opts; @@ -324,10 +324,7 @@ struct BlockDriverState { BlockDriver *drv; /* NULL means no media */ void *opaque; - void *dev; /* attached device model, if any */ - /* TODO change to DeviceState when all users are qdevified */ - const BlockDevOps *dev_ops; - void *dev_opaque; + BlockBackend *blk; /* owning backend, if any */ AioContext *aio_context; /* event loop used for fd handlers, timers, etc */ /* long-running tasks intended to always use the same AioContext as this @@ -390,8 +387,6 @@ struct BlockDriverState { char node_name[32]; /* element of the list of named nodes building the graph */ QTAILQ_ENTRY(BlockDriverState) node_list; - /* Device name is the name associated with the "drive" the guest sees */ - char device_name[32]; /* element of the list of "drives" the guest sees */ QTAILQ_ENTRY(BlockDriverState) device_list; QLIST_HEAD(, BdrvDirtyBitmap) dirty_bitmaps; @@ -501,7 +496,7 @@ int is_windows_drive(const char *filename); */ void stream_start(BlockDriverState *bs, BlockDriverState *base, const char *base_id, int64_t speed, BlockdevOnError on_error, - BlockDriverCompletionFunc *cb, + BlockCompletionFunc *cb, void *opaque, Error **errp); /** @@ -519,7 +514,7 @@ void stream_start(BlockDriverState *bs, BlockDriverState *base, */ void commit_start(BlockDriverState *bs, BlockDriverState *base, BlockDriverState *top, int64_t speed, - BlockdevOnError on_error, BlockDriverCompletionFunc *cb, + BlockdevOnError on_error, BlockCompletionFunc *cb, void *opaque, const char *backing_file_str, Error **errp); /** * commit_active_start: @@ -535,7 +530,7 @@ void commit_start(BlockDriverState *bs, BlockDriverState *base, void commit_active_start(BlockDriverState *bs, BlockDriverState *base, int64_t speed, BlockdevOnError on_error, - BlockDriverCompletionFunc *cb, + BlockCompletionFunc *cb, void *opaque, Error **errp); /* * mirror_start: @@ -563,7 +558,7 @@ void mirror_start(BlockDriverState *bs, BlockDriverState *target, int64_t speed, int64_t granularity, int64_t buf_size, MirrorSyncMode mode, BlockdevOnError on_source_error, BlockdevOnError on_target_error, - BlockDriverCompletionFunc *cb, + BlockCompletionFunc *cb, void *opaque, Error **errp); /* @@ -584,7 +579,14 @@ void backup_start(BlockDriverState *bs, BlockDriverState *target, int64_t speed, MirrorSyncMode sync_mode, BlockdevOnError on_source_error, BlockdevOnError on_target_error, - BlockDriverCompletionFunc *cb, void *opaque, + BlockCompletionFunc *cb, void *opaque, Error **errp); +void blk_dev_change_media_cb(BlockBackend *blk, bool load); +bool blk_dev_has_removable_media(BlockBackend *blk); +void blk_dev_eject_request(BlockBackend *blk, bool force); +bool blk_dev_is_tray_open(BlockBackend *blk); +bool blk_dev_is_medium_locked(BlockBackend *blk); +void blk_dev_resize_cb(BlockBackend *blk); + #endif /* BLOCK_INT_H */ diff --git a/include/block/blockjob.h b/include/block/blockjob.h index 60aa835ec0..acb399f87d 100644 --- a/include/block/blockjob.h +++ b/include/block/blockjob.h @@ -104,7 +104,7 @@ struct BlockJob { int64_t speed; /** The completion function that will be called when the job completes. */ - BlockDriverCompletionFunc *cb; + BlockCompletionFunc *cb; /** Block other operations when block job is running */ Error *blocker; @@ -132,7 +132,7 @@ struct BlockJob { * called from a wrapper that is specific to the job type. */ void *block_job_create(const BlockJobDriver *driver, BlockDriverState *bs, - int64_t speed, BlockDriverCompletionFunc *cb, + int64_t speed, BlockCompletionFunc *cb, void *opaque, Error **errp); /** diff --git a/include/block/qapi.h b/include/block/qapi.h index 03745464d6..168d788521 100644 --- a/include/block/qapi.h +++ b/include/block/qapi.h @@ -36,9 +36,6 @@ int bdrv_query_snapshot_info_list(BlockDriverState *bs, void bdrv_query_image_info(BlockDriverState *bs, ImageInfo **p_info, Error **errp); -void bdrv_query_info(BlockDriverState *bs, - BlockInfo **p_info, - Error **errp); void bdrv_snapshot_dump(fprintf_function func_fprintf, void *f, QEMUSnapshotInfo *sn); diff --git a/include/block/thread-pool.h b/include/block/thread-pool.h index 472375227a..42eb5e8421 100644 --- a/include/block/thread-pool.h +++ b/include/block/thread-pool.h @@ -27,9 +27,9 @@ typedef struct ThreadPool ThreadPool; ThreadPool *thread_pool_new(struct AioContext *ctx); void thread_pool_free(ThreadPool *pool); -BlockDriverAIOCB *thread_pool_submit_aio(ThreadPool *pool, +BlockAIOCB *thread_pool_submit_aio(ThreadPool *pool, ThreadPoolFunc *func, void *arg, - BlockDriverCompletionFunc *cb, void *opaque); + BlockCompletionFunc *cb, void *opaque); int coroutine_fn thread_pool_submit_co(ThreadPool *pool, ThreadPoolFunc *func, void *arg); void thread_pool_submit(ThreadPool *pool, ThreadPoolFunc *func, void *arg); diff --git a/include/hw/arm/omap.h b/include/hw/arm/omap.h index b9655ee397..0ad5fb883c 100644 --- a/include/hw/arm/omap.h +++ b/include/hw/arm/omap.h @@ -755,10 +755,10 @@ void omap_rfbi_attach(struct omap_dss_s *s, int cs, struct rfbi_chip_s *chip); struct omap_mmc_s; struct omap_mmc_s *omap_mmc_init(hwaddr base, MemoryRegion *sysmem, - BlockDriverState *bd, + BlockBackend *blk, qemu_irq irq, qemu_irq dma[], omap_clk clk); struct omap_mmc_s *omap2_mmc_init(struct omap_target_agent_s *ta, - BlockDriverState *bd, qemu_irq irq, qemu_irq dma[], + BlockBackend *blk, qemu_irq irq, qemu_irq dma[], omap_clk fclk, omap_clk iclk); void omap_mmc_reset(struct omap_mmc_s *s); void omap_mmc_handlers(struct omap_mmc_s *s, qemu_irq ro, qemu_irq cover); diff --git a/include/hw/arm/pxa.h b/include/hw/arm/pxa.h index c5079067bb..259b852495 100644 --- a/include/hw/arm/pxa.h +++ b/include/hw/arm/pxa.h @@ -87,7 +87,7 @@ void pxa2xx_lcdc_oritentation(void *opaque, int angle); typedef struct PXA2xxMMCIState PXA2xxMMCIState; PXA2xxMMCIState *pxa2xx_mmci_init(MemoryRegion *sysmem, hwaddr base, - BlockDriverState *bd, qemu_irq irq, + BlockBackend *blk, qemu_irq irq, qemu_irq rx_dma, qemu_irq tx_dma); void pxa2xx_mmci_handlers(PXA2xxMMCIState *s, qemu_irq readonly, qemu_irq coverswitch); diff --git a/include/hw/block/block.h b/include/hw/block/block.h index 867a226643..0d0ce9a467 100644 --- a/include/hw/block/block.h +++ b/include/hw/block/block.h @@ -17,7 +17,7 @@ /* Configuration */ typedef struct BlockConf { - BlockDriverState *bs; + BlockBackend *blk; uint16_t physical_block_size; uint16_t logical_block_size; uint16_t min_io_size; @@ -42,7 +42,7 @@ static inline unsigned int get_physical_block_exp(BlockConf *conf) } #define DEFINE_BLOCK_PROPERTIES(_state, _conf) \ - DEFINE_PROP_DRIVE("drive", _state, _conf.bs), \ + DEFINE_PROP_DRIVE("drive", _state, _conf.blk), \ DEFINE_PROP_BLOCKSIZE("logical_block_size", _state, \ _conf.logical_block_size, 512), \ DEFINE_PROP_BLOCKSIZE("physical_block_size", _state, \ @@ -66,7 +66,7 @@ void blkconf_geometry(BlockConf *conf, int *trans, /* Hard disk geometry */ -void hd_geometry_guess(BlockDriverState *bs, +void hd_geometry_guess(BlockBackend *blk, uint32_t *pcyls, uint32_t *pheads, uint32_t *psecs, int *ptrans); int hd_bios_chs_auto_trans(uint32_t cyls, uint32_t heads, uint32_t secs); diff --git a/include/hw/block/flash.h b/include/hw/block/flash.h index 920d7596e3..50ccbbcf13 100644 --- a/include/hw/block/flash.h +++ b/include/hw/block/flash.h @@ -11,7 +11,7 @@ typedef struct pflash_t pflash_t; pflash_t *pflash_cfi01_register(hwaddr base, DeviceState *qdev, const char *name, hwaddr size, - BlockDriverState *bs, + BlockBackend *blk, uint32_t sector_len, int nb_blocs, int width, uint16_t id0, uint16_t id1, uint16_t id2, uint16_t id3, int be); @@ -20,7 +20,7 @@ pflash_t *pflash_cfi01_register(hwaddr base, pflash_t *pflash_cfi02_register(hwaddr base, DeviceState *qdev, const char *name, hwaddr size, - BlockDriverState *bs, uint32_t sector_len, + BlockBackend *blk, uint32_t sector_len, int nb_blocs, int nb_mappings, int width, uint16_t id0, uint16_t id1, uint16_t id2, uint16_t id3, @@ -30,7 +30,7 @@ pflash_t *pflash_cfi02_register(hwaddr base, MemoryRegion *pflash_cfi01_get_memory(pflash_t *fl); /* nand.c */ -DeviceState *nand_init(BlockDriverState *bdrv, int manf_id, int chip_id); +DeviceState *nand_init(BlockBackend *blk, int manf_id, int chip_id); void nand_setpins(DeviceState *dev, uint8_t cle, uint8_t ale, uint8_t ce, uint8_t wp, uint8_t gnd); void nand_getpins(DeviceState *dev, int *rb); diff --git a/include/hw/isa/pc87312.h b/include/hw/isa/pc87312.h index befc8bdc62..bf74470d40 100644 --- a/include/hw/isa/pc87312.h +++ b/include/hw/isa/pc87312.h @@ -47,13 +47,10 @@ typedef struct PC87312State { struct { ISADevice *dev; - BlockDriverState *drive[2]; - uint32_t base; } fdc; struct { ISADevice *dev; - uint32_t base; } ide; MemoryRegion io; diff --git a/include/hw/qdev-properties.h b/include/hw/qdev-properties.h index ae56ee59a4..070006c715 100644 --- a/include/hw/qdev-properties.h +++ b/include/hw/qdev-properties.h @@ -141,7 +141,7 @@ extern PropertyInfo qdev_prop_arraylen; #define DEFINE_PROP_VLAN(_n, _s, _f) \ DEFINE_PROP(_n, _s, _f, qdev_prop_vlan, NICPeers) #define DEFINE_PROP_DRIVE(_n, _s, _f) \ - DEFINE_PROP(_n, _s, _f, qdev_prop_drive, BlockDriverState *) + DEFINE_PROP(_n, _s, _f, qdev_prop_drive, BlockBackend *) #define DEFINE_PROP_MACADDR(_n, _s, _f) \ DEFINE_PROP(_n, _s, _f, qdev_prop_macaddr, MACAddr) #define DEFINE_PROP_LOSTTICKPOLICY(_n, _s, _f, _d) \ @@ -168,8 +168,10 @@ void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value); void qdev_prop_set_string(DeviceState *dev, const char *name, const char *value); void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value); void qdev_prop_set_netdev(DeviceState *dev, const char *name, NetClientState *value); -int qdev_prop_set_drive(DeviceState *dev, const char *name, BlockDriverState *value) QEMU_WARN_UNUSED_RESULT; -void qdev_prop_set_drive_nofail(DeviceState *dev, const char *name, BlockDriverState *value); +int qdev_prop_set_drive(DeviceState *dev, const char *name, + BlockBackend *value) QEMU_WARN_UNUSED_RESULT; +void qdev_prop_set_drive_nofail(DeviceState *dev, const char *name, + BlockBackend *value); void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value); void qdev_prop_set_enum(DeviceState *dev, const char *name, int value); /* FIXME: Remove opaque pointer properties. */ diff --git a/include/hw/scsi/scsi.h b/include/hw/scsi/scsi.h index caaa3201ce..6bc841ab8b 100644 --- a/include/hw/scsi/scsi.h +++ b/include/hw/scsi/scsi.h @@ -2,7 +2,7 @@ #define QEMU_HW_SCSI_H #include "hw/qdev.h" -#include "block/block.h" +#include "qemu/typedefs.h" #include "hw/block/block.h" #include "sysemu/sysemu.h" #include "qemu/notify.h" @@ -68,7 +68,7 @@ struct SCSIRequest { bool io_canceled; bool retry; bool dma_started; - BlockDriverAIOCB *aiocb; + BlockAIOCB *aiocb; QEMUSGList *sg; QTAILQ_ENTRY(SCSIRequest) next; }; @@ -173,7 +173,7 @@ static inline SCSIBus *scsi_bus_from_device(SCSIDevice *d) return DO_UPCAST(SCSIBus, qbus, d->qdev.parent_bus); } -SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockDriverState *bdrv, +SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockBackend *blk, int unit, bool removable, int bootindex, const char *serial, Error **errp); void scsi_bus_legacy_handle_cmdline(SCSIBus *bus, Error **errp); diff --git a/include/hw/sd.h b/include/hw/sd.h index d9b97e4466..79adb5bb48 100644 --- a/include/hw/sd.h +++ b/include/hw/sd.h @@ -68,7 +68,7 @@ typedef struct { typedef struct SDState SDState; -SDState *sd_init(BlockDriverState *bs, bool is_spi); +SDState *sd_init(BlockBackend *bs, bool is_spi); int sd_do_command(SDState *sd, SDRequest *req, uint8_t *response); void sd_write_data(SDState *sd, uint8_t value); diff --git a/include/hw/virtio/virtio-blk.h b/include/hw/virtio/virtio-blk.h index f3853f2b75..3979dc41af 100644 --- a/include/hw/virtio/virtio-blk.h +++ b/include/hw/virtio/virtio-blk.h @@ -17,8 +17,7 @@ #include "hw/virtio/virtio.h" #include "hw/block/block.h" #include "sysemu/iothread.h" -#include "block/block.h" -#include "block/accounting.h" +#include "sysemu/block-backend.h" #define TYPE_VIRTIO_BLK "virtio-blk-device" #define VIRTIO_BLK(obj) \ @@ -121,12 +120,11 @@ struct VirtIOBlockDataPlane; struct VirtIOBlockReq; typedef struct VirtIOBlock { VirtIODevice parent_obj; - BlockDriverState *bs; + BlockBackend *blk; VirtQueue *vq; void *rq; QEMUBH *bh; - BlockConf *conf; - VirtIOBlkConf blk; + VirtIOBlkConf conf; unsigned short sector_mask; bool original_wce; VMChangeStateEntry *change; @@ -160,6 +158,6 @@ int virtio_blk_handle_scsi_req(VirtIOBlock *blk, void virtio_blk_handle_request(VirtIOBlockReq *req, MultiReqBuffer *mrb); -void virtio_submit_multiwrite(BlockDriverState *bs, MultiReqBuffer *mrb); +void virtio_submit_multiwrite(BlockBackend *blk, MultiReqBuffer *mrb); #endif diff --git a/include/monitor/monitor.h b/include/monitor/monitor.h index 78a5fc8197..47606d04ad 100644 --- a/include/monitor/monitor.h +++ b/include/monitor/monitor.h @@ -27,10 +27,10 @@ int monitor_suspend(Monitor *mon); void monitor_resume(Monitor *mon); int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs, - BlockDriverCompletionFunc *completion_cb, + BlockCompletionFunc *completion_cb, void *opaque); int monitor_read_block_device_key(Monitor *mon, const char *device, - BlockDriverCompletionFunc *completion_cb, + BlockCompletionFunc *completion_cb, void *opaque); int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp); diff --git a/include/qemu/typedefs.h b/include/qemu/typedefs.h index 168a4086d8..34751778a3 100644 --- a/include/qemu/typedefs.h +++ b/include/qemu/typedefs.h @@ -36,6 +36,7 @@ typedef struct MachineState MachineState; typedef struct NICInfo NICInfo; typedef struct HCIInfo HCIInfo; typedef struct AudioState AudioState; +typedef struct BlockBackend BlockBackend; typedef struct BlockDriverState BlockDriverState; typedef struct DriveInfo DriveInfo; typedef struct DisplayState DisplayState; diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h new file mode 100644 index 0000000000..52d13c1c0e --- /dev/null +++ b/include/sysemu/block-backend.h @@ -0,0 +1,142 @@ +/* + * QEMU Block backends + * + * Copyright (C) 2014 Red Hat, Inc. + * + * Authors: + * Markus Armbruster <armbru@redhat.com>, + * + * This work is licensed under the terms of the GNU LGPL, version 2.1 + * or later. See the COPYING.LIB file in the top-level directory. + */ + +#ifndef BLOCK_BACKEND_H +#define BLOCK_BACKEND_H + +#include "qemu/typedefs.h" +#include "qapi/error.h" + +/* + * TODO Have to include block/block.h for a bunch of block layer + * types. Unfortunately, this pulls in the whole BlockDriverState + * API, which we don't want used by many BlockBackend users. Some of + * the types belong here, and the rest should be split into a common + * header and one for the BlockDriverState API. + */ +#include "block/block.h" + +/* Callbacks for block device models */ +typedef struct BlockDevOps { + /* + * Runs when virtual media changed (monitor commands eject, change) + * Argument load is true on load and false on eject. + * Beware: doesn't run when a host device's physical media + * changes. Sure would be useful if it did. + * Device models with removable media must implement this callback. + */ + void (*change_media_cb)(void *opaque, bool load); + /* + * Runs when an eject request is issued from the monitor, the tray + * is closed, and the medium is locked. + * Device models that do not implement is_medium_locked will not need + * this callback. Device models that can lock the medium or tray might + * want to implement the callback and unlock the tray when "force" is + * true, even if they do not support eject requests. + */ + void (*eject_request_cb)(void *opaque, bool force); + /* + * Is the virtual tray open? + * Device models implement this only when the device has a tray. + */ + bool (*is_tray_open)(void *opaque); + /* + * Is the virtual medium locked into the device? + * Device models implement this only when device has such a lock. + */ + bool (*is_medium_locked)(void *opaque); + /* + * Runs when the size changed (e.g. monitor command block_resize) + */ + void (*resize_cb)(void *opaque); +} BlockDevOps; + +BlockBackend *blk_new(const char *name, Error **errp); +BlockBackend *blk_new_with_bs(const char *name, Error **errp); +void blk_ref(BlockBackend *blk); +void blk_unref(BlockBackend *blk); +const char *blk_name(BlockBackend *blk); +BlockBackend *blk_by_name(const char *name); +BlockBackend *blk_next(BlockBackend *blk); + +BlockDriverState *blk_bs(BlockBackend *blk); + +void blk_hide_on_behalf_of_do_drive_del(BlockBackend *blk); + +void blk_iostatus_enable(BlockBackend *blk); +int blk_attach_dev(BlockBackend *blk, void *dev); +void blk_attach_dev_nofail(BlockBackend *blk, void *dev); +void blk_detach_dev(BlockBackend *blk, void *dev); +void *blk_get_attached_dev(BlockBackend *blk); +void blk_set_dev_ops(BlockBackend *blk, const BlockDevOps *ops, void *opaque); +int blk_read(BlockBackend *blk, int64_t sector_num, uint8_t *buf, + int nb_sectors); +int blk_read_unthrottled(BlockBackend *blk, int64_t sector_num, uint8_t *buf, + int nb_sectors); +int blk_write(BlockBackend *blk, int64_t sector_num, const uint8_t *buf, + int nb_sectors); +BlockAIOCB *blk_aio_write_zeroes(BlockBackend *blk, int64_t sector_num, + int nb_sectors, BdrvRequestFlags flags, + BlockCompletionFunc *cb, void *opaque); +int blk_pread(BlockBackend *blk, int64_t offset, void *buf, int count); +int blk_pwrite(BlockBackend *blk, int64_t offset, const void *buf, int count); +int64_t blk_getlength(BlockBackend *blk); +void blk_get_geometry(BlockBackend *blk, uint64_t *nb_sectors_ptr); +BlockAIOCB *blk_aio_readv(BlockBackend *blk, int64_t sector_num, + QEMUIOVector *iov, int nb_sectors, + BlockCompletionFunc *cb, void *opaque); +BlockAIOCB *blk_aio_writev(BlockBackend *blk, int64_t sector_num, + QEMUIOVector *iov, int nb_sectors, + BlockCompletionFunc *cb, void *opaque); +BlockAIOCB *blk_aio_flush(BlockBackend *blk, + BlockCompletionFunc *cb, void *opaque); +BlockAIOCB *blk_aio_discard(BlockBackend *blk, + int64_t sector_num, int nb_sectors, + BlockCompletionFunc *cb, void *opaque); +void blk_aio_cancel(BlockAIOCB *acb); +void blk_aio_cancel_async(BlockAIOCB *acb); +int blk_aio_multiwrite(BlockBackend *blk, BlockRequest *reqs, int num_reqs); +int blk_ioctl(BlockBackend *blk, unsigned long int req, void *buf); +BlockAIOCB *blk_aio_ioctl(BlockBackend *blk, unsigned long int req, void *buf, + BlockCompletionFunc *cb, void *opaque); +int blk_flush(BlockBackend *blk); +int blk_flush_all(void); +void blk_drain_all(void); +BlockdevOnError blk_get_on_error(BlockBackend *blk, bool is_read); +BlockErrorAction blk_get_error_action(BlockBackend *blk, bool is_read, + int error); +void blk_error_action(BlockBackend *blk, BlockErrorAction action, + bool is_read, int error); +int blk_is_read_only(BlockBackend *blk); +int blk_is_sg(BlockBackend *blk); +int blk_enable_write_cache(BlockBackend *blk); +void blk_set_enable_write_cache(BlockBackend *blk, bool wce); +int blk_is_inserted(BlockBackend *blk); +void blk_lock_medium(BlockBackend *blk, bool locked); +void blk_eject(BlockBackend *blk, bool eject_flag); +int blk_get_flags(BlockBackend *blk); +void blk_set_guest_block_size(BlockBackend *blk, int align); +void *blk_blockalign(BlockBackend *blk, size_t size); +bool blk_op_is_blocked(BlockBackend *blk, BlockOpType op, Error **errp); +void blk_op_unblock(BlockBackend *blk, BlockOpType op, Error *reason); +void blk_op_block_all(BlockBackend *blk, Error *reason); +void blk_op_unblock_all(BlockBackend *blk, Error *reason); +AioContext *blk_get_aio_context(BlockBackend *blk); +void blk_set_aio_context(BlockBackend *blk, AioContext *new_context); +void blk_io_plug(BlockBackend *blk); +void blk_io_unplug(BlockBackend *blk); +BlockAcctStats *blk_get_stats(BlockBackend *blk); + +void *blk_aio_get(const AIOCBInfo *aiocb_info, BlockBackend *blk, + BlockCompletionFunc *cb, void *opaque); + +#endif diff --git a/include/sysemu/blockdev.h b/include/sysemu/blockdev.h index 09716de809..09d1e30b34 100644 --- a/include/sysemu/blockdev.h +++ b/include/sysemu/blockdev.h @@ -14,8 +14,8 @@ #include "qapi/error.h" #include "qemu/queue.h" -void blockdev_mark_auto_del(BlockDriverState *bs); -void blockdev_auto_del(BlockDriverState *bs); +void blockdev_mark_auto_del(BlockBackend *blk); +void blockdev_auto_del(BlockBackend *blk); typedef enum { IF_DEFAULT = -1, /* for use with drive_add() only */ @@ -30,14 +30,11 @@ typedef enum { } BlockInterfaceType; struct DriveInfo { - BlockDriverState *bdrv; - char *id; const char *devaddr; BlockInterfaceType type; int bus; int unit; int auto_del; /* see blockdev_mark_auto_del() */ - bool enable_auto_del; /* Only for legacy drive_new() */ bool is_default; /* Added by default_drive() ? */ int media_cd; int cyls, heads, secs, trans; @@ -46,6 +43,10 @@ struct DriveInfo { QTAILQ_ENTRY(DriveInfo) next; }; +DriveInfo *blk_legacy_dinfo(BlockBackend *blk); +DriveInfo *blk_set_legacy_dinfo(BlockBackend *blk, DriveInfo *dinfo); +BlockBackend *blk_by_legacy_dinfo(DriveInfo *dinfo); + void override_max_devs(BlockInterfaceType type, int max_devs); DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit); @@ -54,14 +55,11 @@ DriveInfo *drive_get_by_index(BlockInterfaceType type, int index); int drive_get_max_bus(BlockInterfaceType type); int drive_get_max_devs(BlockInterfaceType type); DriveInfo *drive_get_next(BlockInterfaceType type); -DriveInfo *drive_get_by_blockdev(BlockDriverState *bs); QemuOpts *drive_def(const char *optstr); QemuOpts *drive_add(BlockInterfaceType type, int index, const char *file, const char *optstr); DriveInfo *drive_new(QemuOpts *arg, BlockInterfaceType block_default_type); -void drive_del(DriveInfo *dinfo); -void drive_info_del(DriveInfo *dinfo); /* device-hotplug */ diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h index 73ff86d4b9..3f2f4c89e3 100644 --- a/include/sysemu/dma.h +++ b/include/sysemu/dma.h @@ -197,24 +197,24 @@ void qemu_sglist_add(QEMUSGList *qsg, dma_addr_t base, dma_addr_t len); void qemu_sglist_destroy(QEMUSGList *qsg); #endif -typedef BlockDriverAIOCB *DMAIOFunc(BlockDriverState *bs, int64_t sector_num, - QEMUIOVector *iov, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque); - -BlockDriverAIOCB *dma_bdrv_io(BlockDriverState *bs, - QEMUSGList *sg, uint64_t sector_num, - DMAIOFunc *io_func, BlockDriverCompletionFunc *cb, - void *opaque, DMADirection dir); -BlockDriverAIOCB *dma_bdrv_read(BlockDriverState *bs, - QEMUSGList *sg, uint64_t sector, - BlockDriverCompletionFunc *cb, void *opaque); -BlockDriverAIOCB *dma_bdrv_write(BlockDriverState *bs, - QEMUSGList *sg, uint64_t sector, - BlockDriverCompletionFunc *cb, void *opaque); +typedef BlockAIOCB *DMAIOFunc(BlockBackend *blk, int64_t sector_num, + QEMUIOVector *iov, int nb_sectors, + BlockCompletionFunc *cb, void *opaque); + +BlockAIOCB *dma_blk_io(BlockBackend *blk, + QEMUSGList *sg, uint64_t sector_num, + DMAIOFunc *io_func, BlockCompletionFunc *cb, + void *opaque, DMADirection dir); +BlockAIOCB *dma_blk_read(BlockBackend *blk, + QEMUSGList *sg, uint64_t sector, + BlockCompletionFunc *cb, void *opaque); +BlockAIOCB *dma_blk_write(BlockBackend *blk, + QEMUSGList *sg, uint64_t sector, + BlockCompletionFunc *cb, void *opaque); uint64_t dma_buf_read(uint8_t *ptr, int32_t len, QEMUSGList *sg); uint64_t dma_buf_write(uint8_t *ptr, int32_t len, QEMUSGList *sg); -void dma_acct_start(BlockDriverState *bs, BlockAcctCookie *cookie, +void dma_acct_start(BlockBackend *blk, BlockAcctCookie *cookie, QEMUSGList *sg, enum BlockAcctType type); #endif @@ -206,7 +206,7 @@ struct Monitor { ReadLineState *rs; MonitorControl *mc; CPUState *mon_cpu; - BlockDriverCompletionFunc *password_completion_cb; + BlockCompletionFunc *password_completion_cb; void *password_opaque; mon_cmd_t *cmd_table; QError *error; @@ -4216,24 +4216,6 @@ static void file_completion(Monitor *mon, const char *input) closedir(ffs); } -typedef struct MonitorBlockComplete { - Monitor *mon; - const char *input; -} MonitorBlockComplete; - -static void block_completion_it(void *opaque, BlockDriverState *bs) -{ - const char *name = bdrv_get_device_name(bs); - MonitorBlockComplete *mbc = opaque; - Monitor *mon = mbc->mon; - const char *input = mbc->input; - - if (input[0] == '\0' || - !strncmp(name, (char *)input, strlen(input))) { - readline_add_completion(mon->rs, name); - } -} - static const char *next_arg_type(const char *typestr) { const char *p = strchr(typestr, ':'); @@ -4671,9 +4653,9 @@ static void monitor_find_completion_by_table(Monitor *mon, { const char *cmdname; int i; - const char *ptype, *str; + const char *ptype, *str, *name; const mon_cmd_t *cmd; - MonitorBlockComplete mbs; + BlockDriverState *bs; if (nb_args <= 1) { /* command completion */ @@ -4725,10 +4707,14 @@ static void monitor_find_completion_by_table(Monitor *mon, break; case 'B': /* block device name completion */ - mbs.mon = mon; - mbs.input = str; readline_set_completion_index(mon->rs, strlen(str)); - bdrv_iterate(block_completion_it, &mbs); + for (bs = bdrv_next(NULL); bs; bs = bdrv_next(bs)) { + name = bdrv_get_device_name(bs); + if (str[0] == '\0' || + !strncmp(name, str, strlen(str))) { + readline_add_completion(mon->rs, name); + } + } break; case 's': case 'S': @@ -5388,7 +5374,7 @@ ReadLineState *monitor_get_rs(Monitor *mon) } int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs, - BlockDriverCompletionFunc *completion_cb, + BlockCompletionFunc *completion_cb, void *opaque) { int err; @@ -5420,7 +5406,7 @@ int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs, } int monitor_read_block_device_key(Monitor *mon, const char *device, - BlockDriverCompletionFunc *completion_cb, + BlockCompletionFunc *completion_cb, void *opaque) { BlockDriverState *bs; diff --git a/qemu-img.c b/qemu-img.c index 27b85dbda4..09e7e72f5a 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -29,6 +29,7 @@ #include "qemu/error-report.h" #include "qemu/osdep.h" #include "sysemu/sysemu.h" +#include "sysemu/block-backend.h" #include "block/block_int.h" #include "block/qapi.h" #include <getopt.h> @@ -283,20 +284,19 @@ static int print_block_option_help(const char *filename, const char *fmt) return 0; } -static BlockDriverState *bdrv_new_open(const char *id, - const char *filename, - const char *fmt, - int flags, - bool require_io, - bool quiet) +static BlockBackend *img_open(const char *id, const char *filename, + const char *fmt, int flags, + bool require_io, bool quiet) { + BlockBackend *blk; BlockDriverState *bs; BlockDriver *drv; char password[256]; Error *local_err = NULL; int ret; - bs = bdrv_new(id, &error_abort); + blk = blk_new_with_bs(id, &error_abort); + bs = blk_bs(blk); if (fmt) { drv = bdrv_find_format(fmt); @@ -327,9 +327,9 @@ static BlockDriverState *bdrv_new_open(const char *id, goto fail; } } - return bs; + return blk; fail: - bdrv_unref(bs); + blk_unref(blk); return NULL; } @@ -575,6 +575,7 @@ static int img_check(int argc, char **argv) int c, ret; OutputFormat output_format = OFORMAT_HUMAN; const char *filename, *fmt, *output, *cache; + BlockBackend *blk; BlockDriverState *bs; int fix = 0; int flags = BDRV_O_FLAGS | BDRV_O_CHECK; @@ -649,10 +650,11 @@ static int img_check(int argc, char **argv) return 1; } - bs = bdrv_new_open("image", filename, fmt, flags, true, quiet); - if (!bs) { + blk = img_open("image", filename, fmt, flags, true, quiet); + if (!blk) { return 1; } + bs = blk_bs(blk); check = g_new0(ImageCheck, 1); ret = collect_image_check(bs, check, filename, fmt, fix); @@ -709,8 +711,7 @@ static int img_check(int argc, char **argv) fail: qapi_free_ImageCheck(check); - bdrv_unref(bs); - + blk_unref(blk); return ret; } @@ -718,6 +719,7 @@ static int img_commit(int argc, char **argv) { int c, ret, flags; const char *filename, *fmt, *cache; + BlockBackend *blk; BlockDriverState *bs; bool quiet = false; @@ -756,10 +758,12 @@ static int img_commit(int argc, char **argv) return 1; } - bs = bdrv_new_open("image", filename, fmt, flags, true, quiet); - if (!bs) { + blk = img_open("image", filename, fmt, flags, true, quiet); + if (!blk) { return 1; } + bs = blk_bs(blk); + ret = bdrv_commit(bs); switch(ret) { case 0: @@ -779,7 +783,7 @@ static int img_commit(int argc, char **argv) break; } - bdrv_unref(bs); + blk_unref(blk); if (ret) { return 1; } @@ -942,6 +946,7 @@ static int check_empty_sectors(BlockDriverState *bs, int64_t sect_num, static int img_compare(int argc, char **argv) { const char *fmt1 = NULL, *fmt2 = NULL, *cache, *filename1, *filename2; + BlockBackend *blk1, *blk2; BlockDriverState *bs1, *bs2; int64_t total_sectors1, total_sectors2; uint8_t *buf1 = NULL, *buf2 = NULL; @@ -1011,19 +1016,21 @@ static int img_compare(int argc, char **argv) goto out3; } - bs1 = bdrv_new_open("image_1", filename1, fmt1, flags, true, quiet); - if (!bs1) { + blk1 = img_open("image_1", filename1, fmt1, flags, true, quiet); + if (!blk1) { error_report("Can't open file %s", filename1); ret = 2; goto out3; } + bs1 = blk_bs(blk1); - bs2 = bdrv_new_open("image_2", filename2, fmt2, flags, true, quiet); - if (!bs2) { + blk2 = img_open("image_2", filename2, fmt2, flags, true, quiet); + if (!blk2) { error_report("Can't open file %s", filename2); ret = 2; goto out2; } + bs2 = blk_bs(blk2); buf1 = qemu_blockalign(bs1, IO_BUF_SIZE); buf2 = qemu_blockalign(bs2, IO_BUF_SIZE); @@ -1183,11 +1190,11 @@ static int img_compare(int argc, char **argv) ret = 0; out: - bdrv_unref(bs2); qemu_vfree(buf1); qemu_vfree(buf2); + blk_unref(blk2); out2: - bdrv_unref(bs1); + blk_unref(blk1); out3: qemu_progress_end(); return ret; @@ -1200,6 +1207,7 @@ static int img_convert(int argc, char **argv) int progress = 0, flags, src_flags; const char *fmt, *out_fmt, *cache, *src_cache, *out_baseimg, *out_filename; BlockDriver *drv, *proto_drv; + BlockBackend **blk = NULL, *out_blk = NULL; BlockDriverState **bs = NULL, *out_bs = NULL; int64_t total_sectors, nb_sectors, sector_num, bs_offset; int64_t *bs_sectors = NULL; @@ -1354,6 +1362,7 @@ static int img_convert(int argc, char **argv) qemu_progress_print(0, 100); + blk = g_new0(BlockBackend *, bs_n); bs = g_new0(BlockDriverState *, bs_n); bs_sectors = g_new(int64_t, bs_n); @@ -1361,14 +1370,15 @@ static int img_convert(int argc, char **argv) for (bs_i = 0; bs_i < bs_n; bs_i++) { char *id = bs_n > 1 ? g_strdup_printf("source_%d", bs_i) : g_strdup("source"); - bs[bs_i] = bdrv_new_open(id, argv[optind + bs_i], fmt, src_flags, - true, quiet); + blk[bs_i] = img_open(id, argv[optind + bs_i], fmt, src_flags, + true, quiet); g_free(id); - if (!bs[bs_i]) { + if (!blk[bs_i]) { error_report("Could not open '%s'", argv[optind + bs_i]); ret = -1; goto out; } + bs[bs_i] = blk_bs(blk[bs_i]); bs_sectors[bs_i] = bdrv_nb_sectors(bs[bs_i]); if (bs_sectors[bs_i] < 0) { error_report("Could not get size of %s: %s", @@ -1486,11 +1496,12 @@ static int img_convert(int argc, char **argv) goto out; } - out_bs = bdrv_new_open("target", out_filename, out_fmt, flags, true, quiet); - if (!out_bs) { + out_blk = img_open("target", out_filename, out_fmt, flags, true, quiet); + if (!out_blk) { ret = -1; goto out; } + out_bs = blk_bs(out_blk); bs_i = 0; bs_offset = 0; @@ -1737,16 +1748,13 @@ out: qemu_opts_free(create_opts); qemu_vfree(buf); qemu_opts_del(sn_opts); - if (out_bs) { - bdrv_unref(out_bs); - } - if (bs) { + blk_unref(out_blk); + g_free(bs); + if (blk) { for (bs_i = 0; bs_i < bs_n; bs_i++) { - if (bs[bs_i]) { - bdrv_unref(bs[bs_i]); - } + blk_unref(blk[bs_i]); } - g_free(bs); + g_free(blk); } g_free(bs_sectors); fail_getopt: @@ -1856,6 +1864,7 @@ static ImageInfoList *collect_image_info_list(const char *filename, filenames = g_hash_table_new_full(g_str_hash, str_equal_func, NULL, NULL); while (filename) { + BlockBackend *blk; BlockDriverState *bs; ImageInfo *info; ImageInfoList *elem; @@ -1867,17 +1876,18 @@ static ImageInfoList *collect_image_info_list(const char *filename, } g_hash_table_insert(filenames, (gpointer)filename, NULL); - bs = bdrv_new_open("image", filename, fmt, - BDRV_O_FLAGS | BDRV_O_NO_BACKING, false, false); - if (!bs) { + blk = img_open("image", filename, fmt, + BDRV_O_FLAGS | BDRV_O_NO_BACKING, false, false); + if (!blk) { goto err; } + bs = blk_bs(blk); bdrv_query_image_info(bs, &info, &err); if (err) { error_report("%s", error_get_pretty(err)); error_free(err); - bdrv_unref(bs); + blk_unref(blk); goto err; } @@ -1886,7 +1896,7 @@ static ImageInfoList *collect_image_info_list(const char *filename, *last = elem; last = &elem->next; - bdrv_unref(bs); + blk_unref(blk); filename = fmt = NULL; if (chain) { @@ -2080,6 +2090,7 @@ static int img_map(int argc, char **argv) { int c; OutputFormat output_format = OFORMAT_HUMAN; + BlockBackend *blk; BlockDriverState *bs; const char *filename, *fmt, *output; int64_t length; @@ -2128,10 +2139,11 @@ static int img_map(int argc, char **argv) return 1; } - bs = bdrv_new_open("image", filename, fmt, BDRV_O_FLAGS, true, false); - if (!bs) { + blk = img_open("image", filename, fmt, BDRV_O_FLAGS, true, false); + if (!blk) { return 1; } + bs = blk_bs(blk); if (output_format == OFORMAT_HUMAN) { printf("%-16s%-16s%-16s%s\n", "Offset", "Length", "Mapped to", "File"); @@ -2172,7 +2184,7 @@ static int img_map(int argc, char **argv) dump_map_entry(output_format, &curr, NULL); out: - bdrv_unref(bs); + blk_unref(blk); return ret < 0; } @@ -2183,6 +2195,7 @@ out: static int img_snapshot(int argc, char **argv) { + BlockBackend *blk; BlockDriverState *bs; QEMUSnapshotInfo sn; char *filename, *snapshot_name = NULL; @@ -2248,10 +2261,11 @@ static int img_snapshot(int argc, char **argv) filename = argv[optind++]; /* Open the image */ - bs = bdrv_new_open("image", filename, NULL, bdrv_oflags, true, quiet); - if (!bs) { + blk = img_open("image", filename, NULL, bdrv_oflags, true, quiet); + if (!blk) { return 1; } + bs = blk_bs(blk); /* Perform the requested action */ switch(action) { @@ -2294,7 +2308,7 @@ static int img_snapshot(int argc, char **argv) } /* Cleanup */ - bdrv_unref(bs); + blk_unref(blk); if (ret) { return 1; } @@ -2303,6 +2317,7 @@ static int img_snapshot(int argc, char **argv) static int img_rebase(int argc, char **argv) { + BlockBackend *blk = NULL, *blk_old_backing = NULL, *blk_new_backing = NULL; BlockDriverState *bs = NULL, *bs_old_backing = NULL, *bs_new_backing = NULL; BlockDriver *old_backing_drv, *new_backing_drv; char *filename; @@ -2391,11 +2406,12 @@ static int img_rebase(int argc, char **argv) * Ignore the old backing file for unsafe rebase in case we want to correct * the reference to a renamed or moved backing file. */ - bs = bdrv_new_open("image", filename, fmt, flags, true, quiet); - if (!bs) { + blk = img_open("image", filename, fmt, flags, true, quiet); + if (!blk) { ret = -1; goto out; } + bs = blk_bs(blk); /* Find the right drivers for the backing files */ old_backing_drv = NULL; @@ -2423,7 +2439,8 @@ static int img_rebase(int argc, char **argv) if (!unsafe) { char backing_name[1024]; - bs_old_backing = bdrv_new("old_backing", &error_abort); + blk_old_backing = blk_new_with_bs("old_backing", &error_abort); + bs_old_backing = blk_bs(blk_old_backing); bdrv_get_backing_filename(bs, backing_name, sizeof(backing_name)); ret = bdrv_open(&bs_old_backing, backing_name, NULL, NULL, src_flags, old_backing_drv, &local_err); @@ -2434,7 +2451,8 @@ static int img_rebase(int argc, char **argv) goto out; } if (out_baseimg[0]) { - bs_new_backing = bdrv_new("new_backing", &error_abort); + blk_new_backing = blk_new_with_bs("new_backing", &error_abort); + bs_new_backing = blk_bs(blk_new_backing); ret = bdrv_open(&bs_new_backing, out_baseimg, NULL, NULL, src_flags, new_backing_drv, &local_err); if (ret) { @@ -2609,15 +2627,11 @@ out: qemu_progress_end(); /* Cleanup */ if (!unsafe) { - if (bs_old_backing != NULL) { - bdrv_unref(bs_old_backing); - } - if (bs_new_backing != NULL) { - bdrv_unref(bs_new_backing); - } + blk_unref(blk_old_backing); + blk_unref(blk_new_backing); } - bdrv_unref(bs); + blk_unref(blk); if (ret) { return 1; } @@ -2630,6 +2644,7 @@ static int img_resize(int argc, char **argv) const char *filename, *fmt, *size; int64_t n, total_size; bool quiet = false; + BlockBackend *blk = NULL; BlockDriverState *bs = NULL; QemuOpts *param; static QemuOptsList resize_options = { @@ -2706,12 +2721,13 @@ static int img_resize(int argc, char **argv) n = qemu_opt_get_size(param, BLOCK_OPT_SIZE, 0); qemu_opts_del(param); - bs = bdrv_new_open("image", filename, fmt, BDRV_O_FLAGS | BDRV_O_RDWR, - true, quiet); - if (!bs) { + blk = img_open("image", filename, fmt, BDRV_O_FLAGS | BDRV_O_RDWR, + true, quiet); + if (!blk) { ret = -1; goto out; } + bs = blk_bs(blk); if (relative) { total_size = bdrv_getlength(bs) + n * relative; @@ -2740,9 +2756,7 @@ static int img_resize(int argc, char **argv) break; } out: - if (bs) { - bdrv_unref(bs); - } + blk_unref(blk); if (ret) { return 1; } @@ -2758,6 +2772,7 @@ static int img_amend(int argc, char **argv) const char *fmt = NULL, *filename, *cache; int flags; bool quiet = false; + BlockBackend *blk = NULL; BlockDriverState *bs = NULL; cache = BDRV_DEFAULT_CACHE; @@ -2821,12 +2836,13 @@ static int img_amend(int argc, char **argv) goto out; } - bs = bdrv_new_open("image", filename, fmt, flags, true, quiet); - if (!bs) { + blk = img_open("image", filename, fmt, flags, true, quiet); + if (!blk) { error_report("Could not open image '%s'", filename); ret = -1; goto out; } + bs = blk_bs(blk); fmt = bs->drv->format_name; @@ -2851,9 +2867,7 @@ static int img_amend(int argc, char **argv) } out: - if (bs) { - bdrv_unref(bs); - } + blk_unref(blk); qemu_opts_del(opts); qemu_opts_free(create_opts); g_free(options); @@ -19,6 +19,7 @@ #include "qemu/option.h" #include "qemu/config-file.h" #include "qemu/readline.h" +#include "sysemu/block-backend.h" #include "block/block_int.h" #include "trace/control.h" @@ -26,6 +27,7 @@ static char *progname; +static BlockBackend *qemuio_blk; static BlockDriverState *qemuio_bs; /* qemu-io commands passed using -c */ @@ -36,8 +38,9 @@ static ReadLineState *readline_state; static int close_f(BlockDriverState *bs, int argc, char **argv) { - bdrv_unref(bs); + blk_unref(qemuio_blk); qemuio_bs = NULL; + qemuio_blk = NULL; return 0; } @@ -58,7 +61,8 @@ static int openfile(char *name, int flags, int growable, QDict *opts) return 1; } - qemuio_bs = bdrv_new("hda", &error_abort); + qemuio_blk = blk_new_with_bs("hda", &error_abort); + qemuio_bs = blk_bs(qemuio_blk); if (growable) { flags |= BDRV_O_PROTOCOL; @@ -69,8 +73,9 @@ static int openfile(char *name, int flags, int growable, QDict *opts) name ? " device " : "", name ?: "", error_get_pretty(local_err)); error_free(local_err); - bdrv_unref(qemuio_bs); + blk_unref(qemuio_blk); qemuio_bs = NULL; + qemuio_blk = NULL; return 1; } @@ -481,9 +486,7 @@ int main(int argc, char **argv) */ bdrv_drain_all(); - if (qemuio_bs) { - bdrv_unref(qemuio_bs); - } + blk_unref(qemuio_blk); g_free(readline_state); return 0; } diff --git a/qemu-nbd.c b/qemu-nbd.c index b524b3420f..5cd6c6d187 100644 --- a/qemu-nbd.c +++ b/qemu-nbd.c @@ -17,7 +17,7 @@ */ #include "qemu-common.h" -#include "block/block.h" +#include "sysemu/block-backend.h" #include "block/block_int.h" #include "block/nbd.h" #include "qemu/main-loop.h" @@ -384,6 +384,7 @@ static void nbd_accept(void *opaque) int main(int argc, char **argv) { + BlockBackend *blk; BlockDriverState *bs; BlockDriver *drv; off_t dev_offset = 0; @@ -691,7 +692,8 @@ int main(int argc, char **argv) drv = NULL; } - bs = bdrv_new("hda", &error_abort); + blk = blk_new_with_bs("hda", &error_abort); + bs = blk_bs(blk); srcpath = argv[optind]; ret = bdrv_open(&bs, srcpath, NULL, NULL, flags, drv, &local_err); @@ -773,7 +775,7 @@ int main(int argc, char **argv) } } while (state != TERMINATED); - bdrv_unref(bs); + blk_unref(blk); if (sockpath) { unlink(sockpath); } diff --git a/stubs/Makefile.objs b/stubs/Makefile.objs index c0b1f6a320..5e347d04bd 100644 --- a/stubs/Makefile.objs +++ b/stubs/Makefile.objs @@ -1,6 +1,5 @@ stub-obj-y += arch-query-cpu-def.o stub-obj-y += bdrv-commit-all.o -stub-obj-y += blockdev.o stub-obj-y += chr-baum-init.o stub-obj-y += chr-msmouse.o stub-obj-y += chr-testdev.o diff --git a/stubs/blockdev.c b/stubs/blockdev.c deleted file mode 100644 index 5d0a79c3a6..0000000000 --- a/stubs/blockdev.c +++ /dev/null @@ -1,12 +0,0 @@ -#include <assert.h> -#include "sysemu/blockdev.h" - -DriveInfo *drive_get_by_blockdev(BlockDriverState *bs) -{ - return NULL; -} - -void drive_info_del(DriveInfo *dinfo) -{ - assert(!dinfo); -} diff --git a/tests/test-thread-pool.c b/tests/test-thread-pool.c index 8c4d68b345..6a0b9813f5 100644 --- a/tests/test-thread-pool.c +++ b/tests/test-thread-pool.c @@ -11,7 +11,7 @@ static ThreadPool *pool; static int active; typedef struct { - BlockDriverAIOCB *aiocb; + BlockAIOCB *aiocb; int n; int ret; } WorkerTestData; diff --git a/thread-pool.c b/thread-pool.c index 86fa4a8f89..e2cac8e4ff 100644 --- a/thread-pool.c +++ b/thread-pool.c @@ -34,7 +34,7 @@ enum ThreadState { }; struct ThreadPoolElement { - BlockDriverAIOCB common; + BlockAIOCB common; ThreadPool *pool; ThreadPoolFunc *func; void *arg; @@ -195,7 +195,7 @@ restart: } } -static void thread_pool_cancel(BlockDriverAIOCB *acb) +static void thread_pool_cancel(BlockAIOCB *acb) { ThreadPoolElement *elem = (ThreadPoolElement *)acb; ThreadPool *pool = elem->pool; @@ -220,7 +220,7 @@ static void thread_pool_cancel(BlockDriverAIOCB *acb) qemu_mutex_unlock(&pool->lock); } -static AioContext *thread_pool_get_aio_context(BlockDriverAIOCB *acb) +static AioContext *thread_pool_get_aio_context(BlockAIOCB *acb) { ThreadPoolElement *elem = (ThreadPoolElement *)acb; ThreadPool *pool = elem->pool; @@ -233,9 +233,9 @@ static const AIOCBInfo thread_pool_aiocb_info = { .get_aio_context = thread_pool_get_aio_context, }; -BlockDriverAIOCB *thread_pool_submit_aio(ThreadPool *pool, +BlockAIOCB *thread_pool_submit_aio(ThreadPool *pool, ThreadPoolFunc *func, void *arg, - BlockDriverCompletionFunc *cb, void *opaque) + BlockCompletionFunc *cb, void *opaque) { ThreadPoolElement *req; diff --git a/trace-events b/trace-events index 529080640a..6c3a4003c1 100644 --- a/trace-events +++ b/trace-events @@ -195,8 +195,8 @@ fw_cfg_add_file_dupe(void *s, char *name) "%p %s" fw_cfg_add_file(void *s, int index, char *name, size_t len) "%p #%d: %s (%zd bytes)" # hw/block/hd-geometry.c -hd_geometry_lchs_guess(void *bs, int cyls, int heads, int secs) "bs %p LCHS %d %d %d" -hd_geometry_guess(void *bs, uint32_t cyls, uint32_t heads, uint32_t secs, int trans) "bs %p CHS %u %u %u trans %d" +hd_geometry_lchs_guess(void *blk, int cyls, int heads, int secs) "blk %p LCHS %d %d %d" +hd_geometry_guess(void *blk, uint32_t cyls, uint32_t heads, uint32_t secs, int trans) "blk %p CHS %u %u %u trans %d" # hw/display/jazz_led.c jazz_led_read(uint64_t addr, uint8_t val) "read addr=0x%"PRIx64": 0x%x" @@ -1078,10 +1078,10 @@ win_helper_done(uint32_t tl) "tl=%d" win_helper_retry(uint32_t tl) "tl=%d" # dma-helpers.c -dma_bdrv_io(void *dbs, void *bs, int64_t sector_num, bool to_dev) "dbs=%p bs=%p sector_num=%" PRId64 " to_dev=%d" +dma_blk_io(void *dbs, void *bs, int64_t sector_num, bool to_dev) "dbs=%p bs=%p sector_num=%" PRId64 " to_dev=%d" dma_aio_cancel(void *dbs) "dbs=%p" dma_complete(void *dbs, int ret, void *cb) "dbs=%p ret=%d cb=%p" -dma_bdrv_cb(void *dbs, int ret) "dbs=%p ret=%d" +dma_blk_cb(void *dbs, int ret) "dbs=%p ret=%d" dma_map_wait(void *dbs) "dbs=%p" # ui/console.c |