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| author | Eli Cohen <eli@mellanox.com> | 2020-08-04 19:20:43 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2020-08-05 18:39:19 -0400 |
| commit | aac50c0bd434794b9950181349099e709ca4edad (patch) | |
| tree | fa327338edce163e18e1d9da46a0d7715c00b3a9 /drivers/vdpa/vdpa_sim | |
| parent | a9974489b61c09c702c85c6cba3d1a3fd1be7a15 (diff) | |
| download | linux-stable-aac50c0bd434794b9950181349099e709ca4edad.tar.gz linux-stable-aac50c0bd434794b9950181349099e709ca4edad.tar.bz2 linux-stable-aac50c0bd434794b9950181349099e709ca4edad.zip | |
net/vdpa: Use struct for set/get vq state
For now VQ state involves 16 bit available index value encoded in u64
variable. In the future it will be extended to contain more fields. Use
struct to contain the state, now containing only a single u16 for the
available index. In the future we can add fields to this struct.
Reviewed-by: Parav Pandit <parav@mellanox.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Eli Cohen <eli@mellanox.com>
Link: https://lore.kernel.org/r/20200804162048.22587-8-eli@mellanox.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vdpa/vdpa_sim')
| -rw-r--r-- | drivers/vdpa/vdpa_sim/vdpa_sim.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c index 58baff89cc29..c93126ad09d1 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c @@ -450,26 +450,28 @@ static bool vdpasim_get_vq_ready(struct vdpa_device *vdpa, u16 idx) return vq->ready; } -static int vdpasim_set_vq_state(struct vdpa_device *vdpa, u16 idx, u64 state) +static int vdpasim_set_vq_state(struct vdpa_device *vdpa, u16 idx, + const struct vdpa_vq_state *state) { struct vdpasim *vdpasim = vdpa_to_sim(vdpa); struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx]; struct vringh *vrh = &vq->vring; spin_lock(&vdpasim->lock); - vrh->last_avail_idx = state; + vrh->last_avail_idx = state->avail_index; spin_unlock(&vdpasim->lock); return 0; } -static u64 vdpasim_get_vq_state(struct vdpa_device *vdpa, u16 idx) +static void vdpasim_get_vq_state(struct vdpa_device *vdpa, u16 idx, + struct vdpa_vq_state *state) { struct vdpasim *vdpasim = vdpa_to_sim(vdpa); struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx]; struct vringh *vrh = &vq->vring; - return vrh->last_avail_idx; + state->avail_index = vrh->last_avail_idx; } static u32 vdpasim_get_vq_align(struct vdpa_device *vdpa) |