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authorJason Wang <jasowang@redhat.com>2022-12-23 13:55:47 +0800
committerMichael S. Tsirkin <mst@redhat.com>2023-02-20 19:26:57 -0500
commit5dbb063a3ebfd19a91d7812783fd49d5d829a0d4 (patch)
tree691f2b140c000bf87ff0c8ae4fa4197b3c5f6461 /drivers/vdpa
parentbb105d514a25ad3f822da285bc7b6370e20d6353 (diff)
downloadlinux-5dbb063a3ebfd19a91d7812783fd49d5d829a0d4.tar.gz
vdpa_sim: support vendor statistics
This patch adds a new config ops callback to allow individual simulator to implement the vendor stats callback. Acked-by: Eugenio PĂ©rez <eperezma@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Message-Id: <20221223055548.27810-4-jasowang@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Diffstat (limited to 'drivers/vdpa')
-rw-r--r--drivers/vdpa/vdpa_sim/vdpa_sim.c14
-rw-r--r--drivers/vdpa/vdpa_sim/vdpa_sim.h3
2 files changed, 17 insertions, 0 deletions
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c
index 45905db17f86c..e7eb658f55fba 100644
--- a/drivers/vdpa/vdpa_sim/vdpa_sim.c
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c
@@ -432,6 +432,18 @@ static int vdpasim_get_vq_state(struct vdpa_device *vdpa, u16 idx,
return 0;
}
+static int vdpasim_get_vq_stats(struct vdpa_device *vdpa, u16 idx,
+ struct sk_buff *msg,
+ struct netlink_ext_ack *extack)
+{
+ struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
+
+ if (vdpasim->dev_attr.get_stats)
+ return vdpasim->dev_attr.get_stats(vdpasim, idx,
+ msg, extack);
+ return -EOPNOTSUPP;
+}
+
static u32 vdpasim_get_vq_align(struct vdpa_device *vdpa)
{
return VDPASIM_QUEUE_ALIGN;
@@ -739,6 +751,7 @@ static const struct vdpa_config_ops vdpasim_config_ops = {
.set_vq_ready = vdpasim_set_vq_ready,
.get_vq_ready = vdpasim_get_vq_ready,
.set_vq_state = vdpasim_set_vq_state,
+ .get_vendor_vq_stats = vdpasim_get_vq_stats,
.get_vq_state = vdpasim_get_vq_state,
.get_vq_align = vdpasim_get_vq_align,
.get_vq_group = vdpasim_get_vq_group,
@@ -773,6 +786,7 @@ static const struct vdpa_config_ops vdpasim_batch_config_ops = {
.set_vq_ready = vdpasim_set_vq_ready,
.get_vq_ready = vdpasim_get_vq_ready,
.set_vq_state = vdpasim_set_vq_state,
+ .get_vendor_vq_stats = vdpasim_get_vq_stats,
.get_vq_state = vdpasim_get_vq_state,
.get_vq_align = vdpasim_get_vq_align,
.get_vq_group = vdpasim_get_vq_group,
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.h b/drivers/vdpa/vdpa_sim/vdpa_sim.h
index 8a379ef4196cd..926b694d83cf3 100644
--- a/drivers/vdpa/vdpa_sim/vdpa_sim.h
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim.h
@@ -48,6 +48,9 @@ struct vdpasim_dev_attr {
work_func_t work_fn;
void (*get_config)(struct vdpasim *vdpasim, void *config);
void (*set_config)(struct vdpasim *vdpasim, const void *config);
+ int (*get_stats)(struct vdpasim *vdpasim, u16 idx,
+ struct sk_buff *msg,
+ struct netlink_ext_ack *extack);
};
/* State of each vdpasim device */