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vdpa_sim: support vendor statistics

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This patch adds a new config ops callback to allow individual
simulator to implement the vendor stats callback.

Acked-by: Eugenio Pérez <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>
This commit is contained in:
Jason Wang 2022-12-23 13:55:47 +08:00 committed by Michael S. Tsirkin
parent bb105d514a
commit 5dbb063a3e
2 changed files with 17 additions and 0 deletions
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14
drivers/vdpa/vdpa_sim/vdpa_sim.c
View file

@ -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,

3
drivers/vdpa/vdpa_sim/vdpa_sim.h
View file

@ -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 */