diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/kvmgt.c')
-rw-r--r-- | drivers/gpu/drm/i915/gvt/kvmgt.c | 49 |
1 files changed, 40 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c index d641214578a7..1ae0b4083ce1 100644 --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -295,10 +295,12 @@ static ssize_t description_show(struct kobject *kobj, struct device *dev, return 0; return sprintf(buf, "low_gm_size: %dMB\nhigh_gm_size: %dMB\n" - "fence: %d\nresolution: %s\n", + "fence: %d\nresolution: %s\n" + "weight: %d\n", BYTES_TO_MB(type->low_gm_size), BYTES_TO_MB(type->high_gm_size), - type->fence, vgpu_edid_str(type->resolution)); + type->fence, vgpu_edid_str(type->resolution), + type->weight); } static MDEV_TYPE_ATTR_RO(available_instances); @@ -544,6 +546,8 @@ static int intel_vgpu_open(struct mdev_device *mdev) if (ret) goto undo_group; + intel_gvt_ops->vgpu_activate(vgpu); + atomic_set(&vgpu->vdev.released, 0); return ret; @@ -569,6 +573,8 @@ static void __intel_vgpu_release(struct intel_vgpu *vgpu) if (atomic_cmpxchg(&vgpu->vdev.released, 0, 1)) return; + intel_gvt_ops->vgpu_deactivate(vgpu); + ret = vfio_unregister_notifier(mdev_dev(vgpu->vdev.mdev), VFIO_IOMMU_NOTIFY, &vgpu->vdev.iommu_notifier); WARN(ret, "vfio_unregister_notifier for iommu failed: %d\n", ret); @@ -1146,8 +1152,40 @@ static long intel_vgpu_ioctl(struct mdev_device *mdev, unsigned int cmd, return 0; } +static ssize_t +vgpu_id_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct mdev_device *mdev = mdev_from_dev(dev); + + if (mdev) { + struct intel_vgpu *vgpu = (struct intel_vgpu *) + mdev_get_drvdata(mdev); + return sprintf(buf, "%d\n", vgpu->id); + } + return sprintf(buf, "\n"); +} + +static DEVICE_ATTR_RO(vgpu_id); + +static struct attribute *intel_vgpu_attrs[] = { + &dev_attr_vgpu_id.attr, + NULL +}; + +static const struct attribute_group intel_vgpu_group = { + .name = "intel_vgpu", + .attrs = intel_vgpu_attrs, +}; + +static const struct attribute_group *intel_vgpu_groups[] = { + &intel_vgpu_group, + NULL, +}; + static const struct mdev_parent_ops intel_vgpu_ops = { .supported_type_groups = intel_vgpu_type_groups, + .mdev_attr_groups = intel_vgpu_groups, .create = intel_vgpu_create, .remove = intel_vgpu_remove, @@ -1340,13 +1378,6 @@ static int kvmgt_guest_init(struct mdev_device *mdev) static bool kvmgt_guest_exit(struct kvmgt_guest_info *info) { - struct intel_vgpu *vgpu = info->vgpu; - - if (!info) { - gvt_vgpu_err("kvmgt_guest_info invalid\n"); - return false; - } - kvm_page_track_unregister_notifier(info->kvm, &info->track_node); kvm_put_kvm(info->kvm); kvmgt_protect_table_destroy(info); |