diff options
Diffstat (limited to 'include/hw')
| -rw-r--r-- | include/hw/virtio/virtio-pci.h | 5 | ||||
| -rw-r--r-- | include/hw/virtio/virtio.h | 19 |
2 files changed, 24 insertions, 0 deletions
diff --git a/include/hw/virtio/virtio-pci.h b/include/hw/virtio/virtio-pci.h index 59d88018c1..4d57a9c751 100644 --- a/include/hw/virtio/virtio-pci.h +++ b/include/hw/virtio/virtio-pci.h @@ -43,6 +43,7 @@ enum { VIRTIO_PCI_FLAG_INIT_FLR_BIT, VIRTIO_PCI_FLAG_AER_BIT, VIRTIO_PCI_FLAG_ATS_PAGE_ALIGNED_BIT, + VIRTIO_PCI_FLAG_VDPA_BIT, }; /* Need to activate work-arounds for buggy guests at vmstate load. */ @@ -89,6 +90,9 @@ enum { #define VIRTIO_PCI_FLAG_ATS_PAGE_ALIGNED \ (1 << VIRTIO_PCI_FLAG_ATS_PAGE_ALIGNED_BIT) +/* VDPA supported flags */ +#define VIRTIO_PCI_FLAG_VDPA (1 << VIRTIO_PCI_FLAG_VDPA_BIT) + typedef struct { MSIMessage msg; int virq; @@ -140,6 +144,7 @@ struct VirtIOPCIProxy { }; VirtIOPCIRegion regs[5]; }; + VirtIOPCIRegion lm; MemoryRegion modern_bar; MemoryRegion io_bar; uint32_t legacy_io_bar_idx; diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index c8f72850bc..b3c74a1bca 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -35,6 +35,9 @@ (0x1ULL << VIRTIO_F_NOTIFY_ON_EMPTY) | \ (0x1ULL << VIRTIO_F_ANY_LAYOUT)) +#define LM_DISABLE 0x00 +#define LM_ENABLE 0x01 + struct VirtQueue; static inline hwaddr vring_align(hwaddr addr, @@ -95,6 +98,11 @@ enum virtio_device_endian { VIRTIO_DEVICE_ENDIAN_BIG, }; +typedef struct BitmapMemoryRegionCaches { + struct rcu_head rcu; + MemoryRegionCache bitmap; +} BitmapMemoryRegionCaches; + /** * struct VirtIODevice - common VirtIO structure * @name: name of the device @@ -128,6 +136,14 @@ struct VirtIODevice uint32_t generation; int nvectors; VirtQueue *vq; + uint8_t lm_logging_ctrl; + uint32_t lm_base_addr_low; + uint32_t lm_base_addr_high; + uint32_t lm_end_addr_low; + uint32_t lm_end_addr_high; + + BitmapMemoryRegionCaches *caches; + MemoryListener listener; uint16_t device_id; /* @vm_running: current VM running state via virtio_vmstate_change() */ @@ -379,8 +395,11 @@ hwaddr virtio_queue_get_desc_size(VirtIODevice *vdev, int n); hwaddr virtio_queue_get_avail_size(VirtIODevice *vdev, int n); hwaddr virtio_queue_get_used_size(VirtIODevice *vdev, int n); unsigned int virtio_queue_get_last_avail_idx(VirtIODevice *vdev, int n); +unsigned int virtio_queue_get_vring_states(VirtIODevice *vdev, int n); void virtio_queue_set_last_avail_idx(VirtIODevice *vdev, int n, unsigned int idx); +void virtio_queue_set_vring_states(VirtIODevice *vdev, int n, + unsigned int idx); void virtio_queue_restore_last_avail_idx(VirtIODevice *vdev, int n); void virtio_queue_invalidate_signalled_used(VirtIODevice *vdev, int n); void virtio_queue_update_used_idx(VirtIODevice *vdev, int n); |