Commit 5dbb063a authored by Jason Wang's avatar Jason Wang Committed by Michael S. Tsirkin
Browse files

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: default avatarEugenio Pérez <eperezma@redhat.com>
Signed-off-by: default avatarJason Wang <jasowang@redhat.com>
Message-Id: <20221223055548.27810-4-jasowang@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Reviewed-by: default avatarStefano Garzarella <sgarzare@redhat.com>
parent bb105d51

drivers/vdpa/vdpa_sim/vdpa_sim.c

+14 −0
Original line number Diff line number Diff line
@@ -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,

drivers/vdpa/vdpa_sim/vdpa_sim.h

+3 −0
Original line number Diff line number Diff line
@@ -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 */