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| author | Andy Pei <andy.pei@intel.com> | 2021-12-07 09:31:06 +0800 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2021-12-18 11:52:22 -0500 |
| commit | 27b573d4f5a54f48f440ade9bcb5557a7d225979 (patch) | |
| tree | 731740ca86b22b21b8de937f47bcaa73c9ea8e0f /src/hw/virtio-blk.h | |
| parent | b06d956d752a6fa88ef05ebcccb614894948897c (diff) | |
| download | seabios-27b573d4f5a54f48f440ade9bcb5557a7d225979.tar.gz | |
virtio-blk: add feature VIRTIO_BLK_F_SIZE_MAX and VIRTIO_BLK_F_SEG_MAX
according to virtio spec, add feature VIRTIO_BLK_F_SIZE_MAX
and VIRTIO_BLK_F_SEG_MAX parse to virtio blk driver.
Signed-off-by: Andy Pei <andy.pei@intel.com>
Signed-off-by: Ding Limin <dinglimin@cmss.chinamobile.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'src/hw/virtio-blk.h')
| -rw-r--r-- | src/hw/virtio-blk.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/hw/virtio-blk.h b/src/hw/virtio-blk.h index d20461a2..02942919 100644 --- a/src/hw/virtio-blk.h +++ b/src/hw/virtio-blk.h @@ -16,6 +16,9 @@ struct virtio_blk_config u32 opt_io_size; } __attribute__((packed)); +/* Feature bits */ +#define VIRTIO_BLK_F_SIZE_MAX 1 /* Maximum size of any single segment */ +#define VIRTIO_BLK_F_SEG_MAX 2 /* Maximum number of segments in a request */ #define VIRTIO_BLK_F_BLK_SIZE 6 /* These two define direction. */ |