diff options
| author | Gautam Dawar <gautam.dawar@xilinx.com> | 2022-03-30 23:33:45 +0530 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2022-05-31 12:44:27 -0400 |
| commit | d4821902e43453b85b31329441a9f6ac071228a8 (patch) | |
| tree | 0414b5c89a71368fbce8af6ef5ef1129d28f5cdd /drivers/vdpa/vdpa_sim/vdpa_sim.c | |
| parent | 0b7ee47c5f36634926def0142a515eafedc8a779 (diff) | |
| download | lwn-d4821902e43453b85b31329441a9f6ac071228a8.tar.gz lwn-d4821902e43453b85b31329441a9f6ac071228a8.zip | |
vdpa: introduce virtqueue groups
This patch introduces virtqueue groups to vDPA device. The virtqueue
group is the minimal set of virtqueues that must share an address
space. And the address space identifier could only be attached to
a specific virtqueue group.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Gautam Dawar <gdawar@xilinx.com>
Message-Id: <20220330180436.24644-6-gdawar@xilinx.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vdpa/vdpa_sim/vdpa_sim.c')
| -rw-r--r-- | drivers/vdpa/vdpa_sim/vdpa_sim.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c index ddbe142af09a..c98cb1f869fa 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c @@ -250,7 +250,7 @@ struct vdpasim *vdpasim_create(struct vdpasim_dev_attr *dev_attr) else ops = &vdpasim_config_ops; - vdpasim = vdpa_alloc_device(struct vdpasim, vdpa, NULL, ops, + vdpasim = vdpa_alloc_device(struct vdpasim, vdpa, NULL, ops, 1, dev_attr->name, false); if (IS_ERR(vdpasim)) { ret = PTR_ERR(vdpasim); @@ -399,6 +399,11 @@ static u32 vdpasim_get_vq_align(struct vdpa_device *vdpa) return VDPASIM_QUEUE_ALIGN; } +static u32 vdpasim_get_vq_group(struct vdpa_device *vdpa, u16 idx) +{ + return 0; +} + static u64 vdpasim_get_device_features(struct vdpa_device *vdpa) { struct vdpasim *vdpasim = vdpa_to_sim(vdpa); @@ -620,6 +625,7 @@ static const struct vdpa_config_ops vdpasim_config_ops = { .set_vq_state = vdpasim_set_vq_state, .get_vq_state = vdpasim_get_vq_state, .get_vq_align = vdpasim_get_vq_align, + .get_vq_group = vdpasim_get_vq_group, .get_device_features = vdpasim_get_device_features, .set_driver_features = vdpasim_set_driver_features, .get_driver_features = vdpasim_get_driver_features, @@ -650,6 +656,7 @@ static const struct vdpa_config_ops vdpasim_batch_config_ops = { .set_vq_state = vdpasim_set_vq_state, .get_vq_state = vdpasim_get_vq_state, .get_vq_align = vdpasim_get_vq_align, + .get_vq_group = vdpasim_get_vq_group, .get_device_features = vdpasim_get_device_features, .set_driver_features = vdpasim_set_driver_features, .get_driver_features = vdpasim_get_driver_features, |