website-struct

Struct: vring_virtqueue

Status

Regular

• In 4.4: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      struct vring vring;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      u16 avail_flags_shadow;
      u16 avail_idx_shadow;
      bool (*notify)(struct virtqueue *);
      void * data[0];
  };
  

• In 4.8: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      struct vring vring;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      u16 avail_flags_shadow;
      u16 avail_idx_shadow;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
      size_t queue_size_in_bytes;
      dma_addr_t queue_dma_addr;
      struct vring_desc_state desc_state[0];
  };
  

• In 4.10: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      struct vring vring;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      u16 avail_flags_shadow;
      u16 avail_idx_shadow;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
      size_t queue_size_in_bytes;
      dma_addr_t queue_dma_addr;
      struct vring_desc_state desc_state[0];
  };
  

• In 4.13: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      struct vring vring;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      u16 avail_flags_shadow;
      u16 avail_idx_shadow;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
      size_t queue_size_in_bytes;
      dma_addr_t queue_dma_addr;
      struct vring_desc_state desc_state[0];
  };
  

• In 4.15: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      struct vring vring;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      u16 avail_flags_shadow;
      u16 avail_idx_shadow;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
      size_t queue_size_in_bytes;
      dma_addr_t queue_dma_addr;
      struct vring_desc_state desc_state[0];
  };
  

• In 4.18: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      struct vring vring;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      u16 avail_flags_shadow;
      u16 avail_idx_shadow;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
      size_t queue_size_in_bytes;
      dma_addr_t queue_dma_addr;
      struct vring_desc_state desc_state[0];
  };
  

• In 5.0: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      bool packed_ring;
      bool use_dma_api;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      struct (anon) split;
      struct (anon) packed;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
  };
  

• In 5.3: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      bool packed_ring;
      bool use_dma_api;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      struct (anon) split;
      struct (anon) packed;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
  };
  

• In 5.4: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      bool packed_ring;
      bool use_dma_api;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      struct (anon) split;
      struct (anon) packed;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
  };
  

• In 5.8: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      bool packed_ring;
      bool use_dma_api;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      struct (anon) split;
      struct (anon) packed;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
  };
  

• In 5.11: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      bool packed_ring;
      bool use_dma_api;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      struct (anon) split;
      struct (anon) packed;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
  };
  

• In 5.13: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      bool packed_ring;
      bool use_dma_api;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      struct (anon) split;
      struct (anon) packed;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
  };
  

• In 5.15: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      bool packed_ring;
      bool use_dma_api;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      bool event_triggered;
      struct (anon) split;
      struct (anon) packed;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
  };
  

• In 5.19: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      bool packed_ring;
      bool use_dma_api;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      bool event_triggered;
      struct (anon) split;
      struct (anon) packed;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
  };
  

• In 6.2: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      bool packed_ring;
      bool use_dma_api;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      bool event_triggered;
      struct vring_virtqueue_split split;
      struct vring_virtqueue_packed packed;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
  };
  

• In 6.5: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      bool packed_ring;
      bool use_dma_api;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      bool event_triggered;
      struct vring_virtqueue_split split;
      struct vring_virtqueue_packed packed;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
      struct device *dma_dev;
  };
  

• In 6.8: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      bool packed_ring;
      bool use_dma_api;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      bool premapped;
      bool do_unmap;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      bool event_triggered;
      struct vring_virtqueue_split split;
      struct vring_virtqueue_packed packed;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
      struct device *dma_dev;
  };
  

Arch

• In arm64: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      bool packed_ring;
      bool use_dma_api;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      struct (anon) split;
      struct (anon) packed;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
  };
  

• In armhf: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      bool packed_ring;
      bool use_dma_api;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      struct (anon) split;
      struct (anon) packed;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
  };
  

• In ppc64el: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      bool packed_ring;
      bool use_dma_api;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      struct (anon) split;
      struct (anon) packed;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
  };
  

• In riscv64: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      bool packed_ring;
      bool use_dma_api;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      struct (anon) split;
      struct (anon) packed;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
  };
  

Flavor

• In aws: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      bool packed_ring;
      bool use_dma_api;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      struct (anon) split;
      struct (anon) packed;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
  };
  

• In azure: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      bool packed_ring;
      bool use_dma_api;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      struct (anon) split;
      struct (anon) packed;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
  };
  

• In gcp: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      bool packed_ring;
      bool use_dma_api;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      struct (anon) split;
      struct (anon) packed;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
  };
  

• In lowlatency: ✅

  struct vring_virtqueue {
      struct virtqueue vq;
      bool packed_ring;
      bool use_dma_api;
      bool weak_barriers;
      bool broken;
      bool indirect;
      bool event;
      unsigned int free_head;
      unsigned int num_added;
      u16 last_used_idx;
      struct (anon) split;
      struct (anon) packed;
      bool (*notify)(struct virtqueue *);
      bool we_own_ring;
  };
  

Differences

Regular

• Changed between 4.4 and 4.8 ⚠️

  • Field added. bool we_own_ring
  • Field added. size_t queue_size_in_bytes
  • Field added. dma_addr_t queue_dma_addr
  • Field added. struct vring_desc_state desc_state[0]
  • Field removed. void * data[0]
• No changes between 4.8 and 4.10 ✅
• No changes between 4.10 and 4.13 ✅
• No changes between 4.13 and 4.15 ✅
• No changes between 4.15 and 4.18 ✅
• Changed between 4.18 and 5.0 ⚠️

  • Field added. bool packed_ring
  • Field added. bool use_dma_api
  • Field added. struct (anon) split
  • Field added. struct (anon) packed
  • Field removed. struct vring vring
  • Field removed. u16 avail_flags_shadow
  • Field removed. u16 avail_idx_shadow
  • Field removed. size_t queue_size_in_bytes
  • Field removed. dma_addr_t queue_dma_addr
  • Field removed. struct vring_desc_state desc_state[0]
• No changes between 5.0 and 5.3 ✅
• No changes between 5.3 and 5.4 ✅
• No changes between 5.4 and 5.8 ✅
• No changes between 5.8 and 5.11 ✅
• No changes between 5.11 and 5.13 ✅
• Changed between 5.13 and 5.15 ⚠️

  • Field added. bool event_triggered
• No changes between 5.15 and 5.19 ✅
• Changed between 5.19 and 6.2 ⚠️

  • Field type changed. struct (anon) split ➡️ struct vring_virtqueue_split split
  • Field type changed. struct (anon) packed ➡️ struct vring_virtqueue_packed packed
• Changed between 6.2 and 6.5 ⚠️

  • Field added. struct device *dma_dev
• Changed between 6.5 and 6.8 ⚠️

  • Field added. bool premapped
  • Field added. bool do_unmap

Arch

• No changes between amd64 and arm64 ✅
• No changes between amd64 and armhf ✅
• No changes between amd64 and ppc64el ✅
• No changes between amd64 and riscv64 ✅

Flavor

• No changes between generic and aws ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅