/** * intel_gvt_create_vgpu - create a virtual GPU * @gvt: GVT device * @type: type of the vGPU to create * * This function is called when user wants to create a virtual GPU. * * Returns: * pointer to intel_vgpu, error pointer if failed. */ struct intel_vgpu *intel_gvt_create_vgpu(struct intel_gvt *gvt, struct intel_vgpu_type *type) { struct intel_vgpu_creation_params param; struct intel_vgpu *vgpu; param.handle = 0; param.primary = 1; param.low_gm_sz = type->low_gm_size; param.high_gm_sz = type->high_gm_size; param.fence_sz = type->fence; /* XXX current param based on MB */ param.low_gm_sz = BYTES_TO_MB(param.low_gm_sz); param.high_gm_sz = BYTES_TO_MB(param.high_gm_sz); vgpu = __intel_gvt_create_vgpu(gvt, ¶m); if (IS_ERR(vgpu)) return vgpu; /* calculate left instance change for types */ intel_gvt_update_vgpu_types(gvt); return vgpu; }
/** * intel_gvt_destroy_vgpu - destroy a virtual GPU * @vgpu: virtual GPU * * This function is called when user wants to destroy a virtual GPU. * */ void intel_gvt_destroy_vgpu(struct intel_vgpu *vgpu) { struct intel_gvt *gvt = vgpu->gvt; mutex_lock(&gvt->lock); vgpu->active = false; idr_remove(&gvt->vgpu_idr, vgpu->id); if (atomic_read(&vgpu->running_workload_num)) { mutex_unlock(&gvt->lock); intel_gvt_wait_vgpu_idle(vgpu); mutex_lock(&gvt->lock); } intel_vgpu_stop_schedule(vgpu); intel_vgpu_clean_sched_policy(vgpu); intel_vgpu_clean_gvt_context(vgpu); intel_vgpu_clean_execlist(vgpu); intel_vgpu_clean_display(vgpu); intel_vgpu_clean_opregion(vgpu); intel_vgpu_clean_gtt(vgpu); intel_gvt_hypervisor_detach_vgpu(vgpu); intel_vgpu_free_resource(vgpu); intel_vgpu_clean_mmio(vgpu); vfree(vgpu); intel_gvt_update_vgpu_types(gvt); mutex_unlock(&gvt->lock); }
/** * intel_gvt_destroy_vgpu - destroy a virtual GPU * @vgpu: virtual GPU * * This function is called when user wants to destroy a virtual GPU. * */ void intel_gvt_destroy_vgpu(struct intel_vgpu *vgpu) { struct intel_gvt *gvt = vgpu->gvt; mutex_lock(&gvt->lock); WARN(vgpu->active, "vGPU is still active!\n"); intel_gvt_debugfs_remove_vgpu(vgpu); idr_remove(&gvt->vgpu_idr, vgpu->id); if (idr_is_empty(&gvt->vgpu_idr)) intel_gvt_clean_irq(gvt); intel_vgpu_clean_sched_policy(vgpu); intel_vgpu_clean_submission(vgpu); intel_vgpu_clean_display(vgpu); intel_vgpu_clean_opregion(vgpu); intel_vgpu_clean_gtt(vgpu); intel_gvt_hypervisor_detach_vgpu(vgpu); intel_vgpu_free_resource(vgpu); intel_vgpu_clean_mmio(vgpu); intel_vgpu_dmabuf_cleanup(vgpu); vfree(vgpu); intel_gvt_update_vgpu_types(gvt); mutex_unlock(&gvt->lock); }
/** * intel_gvt_destroy_vgpu - destroy a virtual GPU * @vgpu: virtual GPU * * This function is called when user wants to destroy a virtual GPU. * */ void intel_gvt_destroy_vgpu(struct intel_vgpu *vgpu) { struct intel_gvt *gvt = vgpu->gvt; mutex_lock(&gvt->lock); WARN(vgpu->active, "vGPU is still active!\n"); idr_remove(&gvt->vgpu_idr, vgpu->id); intel_vgpu_clean_sched_policy(vgpu); intel_vgpu_clean_gvt_context(vgpu); intel_vgpu_clean_execlist(vgpu); intel_vgpu_clean_display(vgpu); intel_vgpu_clean_opregion(vgpu); intel_vgpu_clean_gtt(vgpu); intel_gvt_hypervisor_detach_vgpu(vgpu); intel_vgpu_free_resource(vgpu); intel_vgpu_clean_mmio(vgpu); vfree(vgpu); intel_gvt_update_vgpu_types(gvt); mutex_unlock(&gvt->lock); }