diff options
| author | Eugenio Pérez <eperezma@redhat.com> | 2023-06-09 11:21:27 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2023-09-04 00:10:22 +0200 |
| commit | 2c9c63711607e3742029f433f130320a9fd7a6a0 (patch) | |
| tree | e9f8b392091f81d4f1773a883eb059b44eed8d86 /drivers/vdpa | |
| parent | vdpa: add get_backend_features vdpa operation (diff) | |
| download | linux-2c9c63711607e3742029f433f130320a9fd7a6a0.tar.xz linux-2c9c63711607e3742029f433f130320a9fd7a6a0.zip | |
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: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Shannon Nelson <shannon.nelson@amd.com>
Message-Id: <20230609092127.170673-5-eperezma@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vdpa')
| -rw-r--r-- | drivers/vdpa/vdpa_sim/vdpa_sim.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c index d343af4fa60e..76d41058add9 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c @@ -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, |