diff options
| author |   Mohsin Kazmi <sykazmi@cisco.com> | 2020-09-29 10:01:25 +0000 |
|---|---|---|
| committer |   Beno�t Ganne <bganne@cisco.com> | 2020-09-29 13:34:13 +0000 |
| commit | 162a296756f3dbead55079e4670973d859df1ef9 (patch) | |
| tree | c24b836a83a051d809508697ba8871538a0ea040 /src/vnet/devices/virtio/pci.h | |
| parent | d68faf8559da72aa6ad0526d5a86fb16587b1508 (diff) | |
virtio: fix modern device queue notify
QUEUE_SELECT and QUEUE_NOTIFY_OFF registers are shared between all
workers operating on the same device and operations are not atomic
Type: fix
Change-Id: Ie017b1bfc7e3b6b4e59029f45db78eeffd9f3aeb
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Diffstat (limited to 'src/vnet/devices/virtio/pci.h')
| -rw-r--r-- | src/vnet/devices/virtio/pci.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/vnet/devices/virtio/pci.h b/src/vnet/devices/virtio/pci.h index 10df49c66c9..70aa9833c2d 100644 --- a/src/vnet/devices/virtio/pci.h +++ b/src/vnet/devices/virtio/pci.h @@ -195,7 +195,10 @@ typedef struct _virtio_pci_func u8 (*setup_queue) (vlib_main_t * vm, virtio_if_t * vif, u16 queue_id, void *p); void (*del_queue) (vlib_main_t * vm, virtio_if_t * vif, u16 queue_id); - void (*notify_queue) (vlib_main_t * vm, virtio_if_t * vif, u16 queue_id); + u16 (*get_queue_notify_off) (vlib_main_t * vm, virtio_if_t * vif, + u16 queue_id); + void (*notify_queue) (vlib_main_t * vm, virtio_if_t * vif, u16 queue_id, + u16 queue_notify_offset); u16 (*set_config_irq) (vlib_main_t * vm, virtio_if_t * vif, u16 vec); u16 (*set_queue_irq) (vlib_main_t * vm, virtio_if_t * vif, u16 vec, |