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Diffstat (limited to 'tests/libqos/virtio.h')
| -rw-r--r-- | tests/libqos/virtio.h | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/tests/libqos/virtio.h b/tests/libqos/virtio.h deleted file mode 100644 index 529ef7555a..0000000000 --- a/tests/libqos/virtio.h +++ /dev/null @@ -1,155 +0,0 @@ -/* - * libqos virtio definitions - * - * Copyright (c) 2014 Marc Marí - * - * This work is licensed under the terms of the GNU GPL, version 2 or later. - * See the COPYING file in the top-level directory. - */ - -#ifndef LIBQOS_VIRTIO_H -#define LIBQOS_VIRTIO_H - -#include "libqos/malloc.h" -#include "standard-headers/linux/virtio_ring.h" - -#define QVIRTIO_F_BAD_FEATURE 0x40000000ull - -typedef struct QVirtioBus QVirtioBus; - -typedef struct QVirtioDevice { - const QVirtioBus *bus; - /* Device type */ - uint16_t device_type; - uint64_t features; - bool big_endian; - bool features_negotiated; -} QVirtioDevice; - -typedef struct QVirtQueue { - QVirtioDevice *vdev; - uint64_t desc; /* This points to an array of struct vring_desc */ - uint64_t avail; /* This points to a struct vring_avail */ - uint64_t used; /* This points to a struct vring_used */ - uint16_t index; - uint32_t size; - uint32_t free_head; - uint32_t num_free; - uint32_t align; - uint16_t last_used_idx; - bool indirect; - bool event; -} QVirtQueue; - -typedef struct QVRingIndirectDesc { - uint64_t desc; /* This points to an array fo struct vring_desc */ - uint16_t index; - uint16_t elem; -} QVRingIndirectDesc; - -struct QVirtioBus { - uint8_t (*config_readb)(QVirtioDevice *d, uint64_t addr); - uint16_t (*config_readw)(QVirtioDevice *d, uint64_t addr); - uint32_t (*config_readl)(QVirtioDevice *d, uint64_t addr); - uint64_t (*config_readq)(QVirtioDevice *d, uint64_t addr); - - /* Get features of the device */ - uint64_t (*get_features)(QVirtioDevice *d); - - /* Set features of the device */ - void (*set_features)(QVirtioDevice *d, uint64_t features); - - /* Get features of the guest */ - uint64_t (*get_guest_features)(QVirtioDevice *d); - - /* Get status of the device */ - uint8_t (*get_status)(QVirtioDevice *d); - - /* Set status of the device */ - void (*set_status)(QVirtioDevice *d, uint8_t status); - - /* Get the queue ISR status of the device */ - bool (*get_queue_isr_status)(QVirtioDevice *d, QVirtQueue *vq); - - /* Wait for the configuration ISR status of the device */ - void (*wait_config_isr_status)(QVirtioDevice *d, gint64 timeout_us); - - /* Select a queue to work on */ - void (*queue_select)(QVirtioDevice *d, uint16_t index); - - /* Get the size of the selected queue */ - uint16_t (*get_queue_size)(QVirtioDevice *d); - - /* Set the address of the selected queue */ - void (*set_queue_address)(QVirtioDevice *d, QVirtQueue *vq); - - /* Setup the virtqueue specified by index */ - QVirtQueue *(*virtqueue_setup)(QVirtioDevice *d, QGuestAllocator *alloc, - uint16_t index); - - /* Free virtqueue resources */ - void (*virtqueue_cleanup)(QVirtQueue *vq, QGuestAllocator *alloc); - - /* Notify changes in virtqueue */ - void (*virtqueue_kick)(QVirtioDevice *d, QVirtQueue *vq); -}; - -static inline uint32_t qvring_size(uint32_t num, uint32_t align) -{ - return ((sizeof(struct vring_desc) * num + sizeof(uint16_t) * (3 + num) - + align - 1) & ~(align - 1)) - + sizeof(uint16_t) * 3 + sizeof(struct vring_used_elem) * num; -} - -uint8_t qvirtio_config_readb(QVirtioDevice *d, uint64_t addr); -uint16_t qvirtio_config_readw(QVirtioDevice *d, uint64_t addr); -uint32_t qvirtio_config_readl(QVirtioDevice *d, uint64_t addr); -uint64_t qvirtio_config_readq(QVirtioDevice *d, uint64_t addr); -uint64_t qvirtio_get_features(QVirtioDevice *d); -void qvirtio_set_features(QVirtioDevice *d, uint64_t features); -bool qvirtio_is_big_endian(QVirtioDevice *d); - -void qvirtio_reset(QVirtioDevice *d); -void qvirtio_set_acknowledge(QVirtioDevice *d); -void qvirtio_set_driver(QVirtioDevice *d); -void qvirtio_set_driver_ok(QVirtioDevice *d); - -void qvirtio_wait_queue_isr(QTestState *qts, QVirtioDevice *d, - QVirtQueue *vq, gint64 timeout_us); -uint8_t qvirtio_wait_status_byte_no_isr(QTestState *qts, QVirtioDevice *d, - QVirtQueue *vq, - uint64_t addr, - gint64 timeout_us); -void qvirtio_wait_used_elem(QTestState *qts, QVirtioDevice *d, - QVirtQueue *vq, - uint32_t desc_idx, - uint32_t *len, - gint64 timeout_us); -void qvirtio_wait_config_isr(QVirtioDevice *d, gint64 timeout_us); -QVirtQueue *qvirtqueue_setup(QVirtioDevice *d, - QGuestAllocator *alloc, uint16_t index); -void qvirtqueue_cleanup(const QVirtioBus *bus, QVirtQueue *vq, - QGuestAllocator *alloc); - -void qvring_init(QTestState *qts, const QGuestAllocator *alloc, QVirtQueue *vq, - uint64_t addr); -QVRingIndirectDesc *qvring_indirect_desc_setup(QTestState *qs, QVirtioDevice *d, - QGuestAllocator *alloc, - uint16_t elem); -void qvring_indirect_desc_add(QVirtioDevice *d, QTestState *qts, - QVRingIndirectDesc *indirect, - uint64_t data, uint32_t len, bool write); -uint32_t qvirtqueue_add(QTestState *qts, QVirtQueue *vq, uint64_t data, - uint32_t len, bool write, bool next); -uint32_t qvirtqueue_add_indirect(QTestState *qts, QVirtQueue *vq, - QVRingIndirectDesc *indirect); -void qvirtqueue_kick(QTestState *qts, QVirtioDevice *d, QVirtQueue *vq, - uint32_t free_head); -bool qvirtqueue_get_buf(QTestState *qts, QVirtQueue *vq, uint32_t *desc_idx, - uint32_t *len); - -void qvirtqueue_set_used_event(QTestState *qts, QVirtQueue *vq, uint16_t idx); - -void qvirtio_start_device(QVirtioDevice *vdev); - -#endif |