Commit 2c9c6371 authored by Eugenio Pérez's avatar Eugenio Pérez Committed by Michael S. Tsirkin
Browse files

vdpa_sim: offer VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK 



Start offering the feature in the simulator.  Other parent drivers can
follow this code to offer it too.

Signed-off-by: default avatarEugenio Pérez <eperezma@redhat.com>
Acked-by: default avatarShannon Nelson <shannon.nelson@amd.com>
Message-Id: <20230609092127.170673-5-eperezma@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent b63e5c70

drivers/vdpa/vdpa_sim/vdpa_sim.c

+8 −0
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 
#include <linux/vdpa.h>

#include <linux/vhost_iotlb.h>

#include <uapi/linux/vdpa.h>

#include <uapi/linux/vhost_types.h>



#include "vdpa_sim.h"
@@ -410,6 +411,11 @@ static u64 vdpasim_get_device_features(struct vdpa_device *vdpa) 
	return vdpasim->dev_attr.supported_features;

}



static u64 vdpasim_get_backend_features(const struct vdpa_device *vdpa)

{

	return BIT_ULL(VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK);

}



static int vdpasim_set_driver_features(struct vdpa_device *vdpa, u64 features)

{

	struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
@@ -733,6 +739,7 @@ static const struct vdpa_config_ops vdpasim_config_ops = { 
	.get_vq_align           = vdpasim_get_vq_align,

	.get_vq_group           = vdpasim_get_vq_group,

	.get_device_features    = vdpasim_get_device_features,

	.get_backend_features   = vdpasim_get_backend_features,

	.set_driver_features    = vdpasim_set_driver_features,

	.get_driver_features    = vdpasim_get_driver_features,

	.set_config_cb          = vdpasim_set_config_cb,
@@ -770,6 +777,7 @@ static const struct vdpa_config_ops vdpasim_batch_config_ops = { 
	.get_vq_align           = vdpasim_get_vq_align,

	.get_vq_group           = vdpasim_get_vq_group,

	.get_device_features    = vdpasim_get_device_features,

	.get_backend_features   = vdpasim_get_backend_features,

	.set_driver_features    = vdpasim_set_driver_features,

	.get_driver_features    = vdpasim_get_driver_features,

	.set_config_cb          = vdpasim_set_config_cb,