diff options
Diffstat (limited to 'drivers/vhost/vhost.h')
| -rw-r--r-- | drivers/vhost/vhost.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h index b6538eef7468..464469d901d5 100644 --- a/drivers/vhost/vhost.h +++ b/drivers/vhost/vhost.h @@ -17,6 +17,8 @@ * For transmit, used buffer len is unused; we override it to track buffer * status internally; used for zerocopy tx only. */ +/* Lower device DMA failed */ +#define VHOST_DMA_FAILED_LEN 3 /* Lower device DMA done */ #define VHOST_DMA_DONE_LEN 2 /* Lower device DMA in progress */ @@ -24,6 +26,8 @@ /* Buffer unused */ #define VHOST_DMA_CLEAR_LEN 0 +#define VHOST_DMA_IS_DONE(len) ((len) >= VHOST_DMA_DONE_LEN) + struct vhost_device; struct vhost_work; |