diff options
| -rw-r--r-- | drivers/vdpa/vdpa.c | 18 | ||||
| -rw-r--r-- | include/uapi/linux/vdpa.h | 1 |
2 files changed, 19 insertions, 0 deletions
diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c index db355d4683ba..d96dc2ad48aa 100644 --- a/drivers/vdpa/vdpa.c +++ b/drivers/vdpa/vdpa.c @@ -970,6 +970,21 @@ vdpa_dev_blk_seg_size_config_fill(struct sk_buff *msg, u64 features, return nla_put_u32(msg, VDPA_ATTR_DEV_BLK_CFG_SEG_SIZE, val_u32); } +/* fill the block size*/ +static int +vdpa_dev_blk_block_size_config_fill(struct sk_buff *msg, u64 features, + const struct virtio_blk_config *config) +{ + u32 val_u32; + + if ((features & BIT_ULL(VIRTIO_BLK_F_BLK_SIZE)) == 0) + return 0; + + val_u32 = __virtio32_to_cpu(true, config->blk_size); + + return nla_put_u32(msg, VDPA_ATTR_DEV_BLK_CFG_BLK_SIZE, val_u32); +} + static int vdpa_dev_blk_config_fill(struct vdpa_device *vdev, struct sk_buff *msg) { @@ -990,6 +1005,9 @@ static int vdpa_dev_blk_config_fill(struct vdpa_device *vdev, if (vdpa_dev_blk_seg_size_config_fill(msg, features_device, &config)) return -EMSGSIZE; + if (vdpa_dev_blk_block_size_config_fill(msg, features_device, &config)) + return -EMSGSIZE; + return 0; } diff --git a/include/uapi/linux/vdpa.h b/include/uapi/linux/vdpa.h index 586bce3c906a..f3baf7ea7d6d 100644 --- a/include/uapi/linux/vdpa.h +++ b/include/uapi/linux/vdpa.h @@ -58,6 +58,7 @@ enum vdpa_attr { VDPA_ATTR_DEV_BLK_CFG_CAPACITY, /* u64 */ VDPA_ATTR_DEV_BLK_CFG_SEG_SIZE, /* u32 */ + VDPA_ATTR_DEV_BLK_CFG_BLK_SIZE, /* u32 */ /* new attributes must be added above here */ VDPA_ATTR_MAX, |