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Diffstat (limited to 'qemu/tests/libqos/virtio.h')
| -rw-r--r-- | qemu/tests/libqos/virtio.h | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/qemu/tests/libqos/virtio.h b/qemu/tests/libqos/virtio.h deleted file mode 100644 index 01012787b..000000000 --- a/qemu/tests/libqos/virtio.h +++ /dev/null @@ -1,193 +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" - -#define QVIRTIO_VENDOR_ID 0x1AF4 - -#define QVIRTIO_RESET 0x0 -#define QVIRTIO_ACKNOWLEDGE 0x1 -#define QVIRTIO_DRIVER 0x2 -#define QVIRTIO_DRIVER_OK 0x4 - -#define QVIRTIO_NET_DEVICE_ID 0x1 -#define QVIRTIO_BLK_DEVICE_ID 0x2 -#define QVIRTIO_CONSOLE_DEVICE_ID 0x3 -#define QVIRTIO_RNG_DEVICE_ID 0x4 -#define QVIRTIO_BALLOON_DEVICE_ID 0x5 -#define QVIRTIO_RPMSG_DEVICE_ID 0x7 -#define QVIRTIO_SCSI_DEVICE_ID 0x8 -#define QVIRTIO_9P_DEVICE_ID 0x9 - -#define QVIRTIO_F_NOTIFY_ON_EMPTY 0x01000000 -#define QVIRTIO_F_ANY_LAYOUT 0x08000000 -#define QVIRTIO_F_RING_INDIRECT_DESC 0x10000000 -#define QVIRTIO_F_RING_EVENT_IDX 0x20000000 -#define QVIRTIO_F_BAD_FEATURE 0x40000000 - -#define QVRING_DESC_F_NEXT 0x1 -#define QVRING_DESC_F_WRITE 0x2 -#define QVRING_DESC_F_INDIRECT 0x4 - -#define QVIRTIO_F_NOTIFY_ON_EMPTY 0x01000000 -#define QVIRTIO_F_ANY_LAYOUT 0x08000000 -#define QVIRTIO_F_RING_INDIRECT_DESC 0x10000000 -#define QVIRTIO_F_RING_EVENT_IDX 0x20000000 -#define QVIRTIO_F_BAD_FEATURE 0x40000000 - -#define QVRING_AVAIL_F_NO_INTERRUPT 1 - -#define QVRING_USED_F_NO_NOTIFY 1 - -typedef struct QVirtioDevice { - /* Device type */ - uint16_t device_type; -} QVirtioDevice; - -typedef struct QVRingDesc { - uint64_t addr; - uint32_t len; - uint16_t flags; - uint16_t next; -} QVRingDesc; - -typedef struct QVRingAvail { - uint16_t flags; - uint16_t idx; - uint16_t ring[0]; /* This is an array of uint16_t */ - uint16_t used_event; -} QVRingAvail; - -typedef struct QVRingUsedElem { - uint32_t id; - uint32_t len; -} QVRingUsedElem; - -typedef struct QVRingUsed { - uint16_t flags; - uint16_t idx; - QVRingUsedElem ring[0]; /* This is an array of QVRingUsedElem structs */ - uint16_t avail_event; -} QVRingUsed; - -typedef struct QVirtQueue { - uint64_t desc; /* This points to an array of QVRingDesc */ - uint64_t avail; /* This points to a QVRingAvail */ - uint64_t used; /* This points to a QVRingDesc */ - uint16_t index; - uint32_t size; - uint32_t free_head; - uint32_t num_free; - uint32_t align; - bool indirect; - bool event; -} QVirtQueue; - -typedef struct QVRingIndirectDesc { - uint64_t desc; /* This points to an array fo QVRingDesc */ - uint16_t index; - uint16_t elem; -} QVRingIndirectDesc; - -typedef 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 */ - uint32_t (*get_features)(QVirtioDevice *d); - - /* Set features of the device */ - void (*set_features)(QVirtioDevice *d, uint32_t features); - - /* Get features of the guest */ - uint32_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); - - /* Get the configuration ISR status of the device */ - bool (*get_config_isr_status)(QVirtioDevice *d); - - /* 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, uint32_t pfn); - - /* Setup the virtqueue specified by index */ - QVirtQueue *(*virtqueue_setup)(QVirtioDevice *d, QGuestAllocator *alloc, - uint16_t index); - - /* Notify changes in virtqueue */ - void (*virtqueue_kick)(QVirtioDevice *d, QVirtQueue *vq); -} QVirtioBus; - -static inline uint32_t qvring_size(uint32_t num, uint32_t align) -{ - return ((sizeof(struct QVRingDesc) * num + sizeof(uint16_t) * (3 + num) - + align - 1) & ~(align - 1)) - + sizeof(uint16_t) * 3 + sizeof(struct QVRingUsedElem) * num; -} - -uint8_t qvirtio_config_readb(const QVirtioBus *bus, QVirtioDevice *d, - uint64_t addr); -uint16_t qvirtio_config_readw(const QVirtioBus *bus, QVirtioDevice *d, - uint64_t addr); -uint32_t qvirtio_config_readl(const QVirtioBus *bus, QVirtioDevice *d, - uint64_t addr); -uint64_t qvirtio_config_readq(const QVirtioBus *bus, QVirtioDevice *d, - uint64_t addr); -uint32_t qvirtio_get_features(const QVirtioBus *bus, QVirtioDevice *d); -void qvirtio_set_features(const QVirtioBus *bus, QVirtioDevice *d, - uint32_t features); - -void qvirtio_reset(const QVirtioBus *bus, QVirtioDevice *d); -void qvirtio_set_acknowledge(const QVirtioBus *bus, QVirtioDevice *d); -void qvirtio_set_driver(const QVirtioBus *bus, QVirtioDevice *d); -void qvirtio_set_driver_ok(const QVirtioBus *bus, QVirtioDevice *d); - -void qvirtio_wait_queue_isr(const QVirtioBus *bus, QVirtioDevice *d, - QVirtQueue *vq, gint64 timeout_us); -uint8_t qvirtio_wait_status_byte_no_isr(const QVirtioBus *bus, - QVirtioDevice *d, - QVirtQueue *vq, - uint64_t addr, - gint64 timeout_us); -void qvirtio_wait_config_isr(const QVirtioBus *bus, QVirtioDevice *d, - gint64 timeout_us); -QVirtQueue *qvirtqueue_setup(const QVirtioBus *bus, QVirtioDevice *d, - QGuestAllocator *alloc, uint16_t index); - -void qvring_init(const QGuestAllocator *alloc, QVirtQueue *vq, uint64_t addr); -QVRingIndirectDesc *qvring_indirect_desc_setup(QVirtioDevice *d, - QGuestAllocator *alloc, uint16_t elem); -void qvring_indirect_desc_add(QVRingIndirectDesc *indirect, uint64_t data, - uint32_t len, bool write); -uint32_t qvirtqueue_add(QVirtQueue *vq, uint64_t data, uint32_t len, bool write, - bool next); -uint32_t qvirtqueue_add_indirect(QVirtQueue *vq, QVRingIndirectDesc *indirect); -void qvirtqueue_kick(const QVirtioBus *bus, QVirtioDevice *d, QVirtQueue *vq, - uint32_t free_head); - -void qvirtqueue_set_used_event(QVirtQueue *vq, uint16_t idx); -#endif |