diff options
Diffstat (limited to 'hw/block/nvme.c')
| -rw-r--r-- | hw/block/nvme.c | 41 |
1 files changed, 18 insertions, 23 deletions
diff --git a/hw/block/nvme.c b/hw/block/nvme.c index a4fdc8e0a8..01648cfb4d 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -396,50 +396,45 @@ static uint16_t nvme_map_prp(QEMUSGList *qsg, QEMUIOVector *iov, uint64_t prp1, } static uint16_t nvme_dma_prp(NvmeCtrl *n, uint8_t *ptr, uint32_t len, - uint64_t prp1, uint64_t prp2, DMADirection dir) + uint64_t prp1, uint64_t prp2, DMADirection dir, + NvmeRequest *req) { - QEMUSGList qsg; - QEMUIOVector iov; uint16_t status = NVME_SUCCESS; - status = nvme_map_prp(&qsg, &iov, prp1, prp2, len, n); + status = nvme_map_prp(&req->qsg, &req->iov, prp1, prp2, len, n); if (status) { return status; } /* assert that only one of qsg and iov carries data */ - assert((qsg.nsg > 0) != (iov.niov > 0)); + assert((req->qsg.nsg > 0) != (req->iov.niov > 0)); - if (qsg.nsg > 0) { + if (req->qsg.nsg > 0) { uint64_t residual; if (dir == DMA_DIRECTION_TO_DEVICE) { - residual = dma_buf_write(ptr, len, &qsg); + residual = dma_buf_write(ptr, len, &req->qsg); } else { - residual = dma_buf_read(ptr, len, &qsg); + residual = dma_buf_read(ptr, len, &req->qsg); } if (unlikely(residual)) { trace_pci_nvme_err_invalid_dma(); status = NVME_INVALID_FIELD | NVME_DNR; } - - qemu_sglist_destroy(&qsg); } else { size_t bytes; if (dir == DMA_DIRECTION_TO_DEVICE) { - bytes = qemu_iovec_to_buf(&iov, 0, ptr, len); + bytes = qemu_iovec_to_buf(&req->iov, 0, ptr, len); } else { - bytes = qemu_iovec_from_buf(&iov, 0, ptr, len); + bytes = qemu_iovec_from_buf(&req->iov, 0, ptr, len); } if (unlikely(bytes != len)) { trace_pci_nvme_err_invalid_dma(); status = NVME_INVALID_FIELD | NVME_DNR; } - - qemu_iovec_destroy(&iov); } return status; @@ -908,7 +903,7 @@ static uint16_t nvme_smart_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, } return nvme_dma_prp(n, (uint8_t *) &smart + off, trans_len, prp1, prp2, - DMA_DIRECTION_FROM_DEVICE); + DMA_DIRECTION_FROM_DEVICE, req); } static uint16_t nvme_fw_log_info(NvmeCtrl *n, uint32_t buf_len, uint64_t off, @@ -931,7 +926,7 @@ static uint16_t nvme_fw_log_info(NvmeCtrl *n, uint32_t buf_len, uint64_t off, trans_len = MIN(sizeof(fw_log) - off, buf_len); return nvme_dma_prp(n, (uint8_t *) &fw_log + off, trans_len, prp1, prp2, - DMA_DIRECTION_FROM_DEVICE); + DMA_DIRECTION_FROM_DEVICE, req); } static uint16_t nvme_error_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, @@ -956,7 +951,7 @@ static uint16_t nvme_error_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, trans_len = MIN(sizeof(errlog) - off, buf_len); return nvme_dma_prp(n, (uint8_t *)&errlog, trans_len, prp1, prp2, - DMA_DIRECTION_FROM_DEVICE); + DMA_DIRECTION_FROM_DEVICE, req); } static uint16_t nvme_get_log(NvmeCtrl *n, NvmeRequest *req) @@ -1122,7 +1117,7 @@ static uint16_t nvme_identify_ctrl(NvmeCtrl *n, NvmeRequest *req) trace_pci_nvme_identify_ctrl(); return nvme_dma_prp(n, (uint8_t *)&n->id_ctrl, sizeof(n->id_ctrl), prp1, - prp2, DMA_DIRECTION_FROM_DEVICE); + prp2, DMA_DIRECTION_FROM_DEVICE, req); } static uint16_t nvme_identify_ns(NvmeCtrl *n, NvmeRequest *req) @@ -1143,7 +1138,7 @@ static uint16_t nvme_identify_ns(NvmeCtrl *n, NvmeRequest *req) ns = &n->namespaces[nsid - 1]; return nvme_dma_prp(n, (uint8_t *)&ns->id_ns, sizeof(ns->id_ns), prp1, - prp2, DMA_DIRECTION_FROM_DEVICE); + prp2, DMA_DIRECTION_FROM_DEVICE, req); } static uint16_t nvme_identify_nslist(NvmeCtrl *n, NvmeRequest *req) @@ -1180,7 +1175,7 @@ static uint16_t nvme_identify_nslist(NvmeCtrl *n, NvmeRequest *req) } } ret = nvme_dma_prp(n, (uint8_t *)list, data_len, prp1, prp2, - DMA_DIRECTION_FROM_DEVICE); + DMA_DIRECTION_FROM_DEVICE, req); g_free(list); return ret; } @@ -1223,7 +1218,7 @@ static uint16_t nvme_identify_ns_descr_list(NvmeCtrl *n, NvmeRequest *req) stl_be_p(&ns_descrs->uuid.v, nsid); return nvme_dma_prp(n, list, NVME_IDENTIFY_DATA_SIZE, prp1, prp2, - DMA_DIRECTION_FROM_DEVICE); + DMA_DIRECTION_FROM_DEVICE, req); } static uint16_t nvme_identify(NvmeCtrl *n, NvmeRequest *req) @@ -1306,7 +1301,7 @@ static uint16_t nvme_get_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) uint64_t timestamp = nvme_get_timestamp(n); return nvme_dma_prp(n, (uint8_t *)×tamp, sizeof(timestamp), prp1, - prp2, DMA_DIRECTION_FROM_DEVICE); + prp2, DMA_DIRECTION_FROM_DEVICE, req); } static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeRequest *req) @@ -1440,7 +1435,7 @@ static uint16_t nvme_set_feature_timestamp(NvmeCtrl *n, NvmeRequest *req) uint64_t prp2 = le64_to_cpu(cmd->dptr.prp2); ret = nvme_dma_prp(n, (uint8_t *)×tamp, sizeof(timestamp), prp1, - prp2, DMA_DIRECTION_TO_DEVICE); + prp2, DMA_DIRECTION_TO_DEVICE, req); if (ret != NVME_SUCCESS) { return ret; } |