/** * 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); }
static struct intel_vgpu *__intel_gvt_create_vgpu(struct intel_gvt *gvt, struct intel_vgpu_creation_params *param) { struct intel_vgpu *vgpu; int ret; gvt_dbg_core("handle %llu low %llu MB high %llu MB fence %llu\n", param->handle, param->low_gm_sz, param->high_gm_sz, param->fence_sz); vgpu = vzalloc(sizeof(*vgpu)); if (!vgpu) return ERR_PTR(-ENOMEM); mutex_lock(&gvt->lock); ret = idr_alloc(&gvt->vgpu_idr, vgpu, 1, GVT_MAX_VGPU, GFP_KERNEL); if (ret < 0) goto out_free_vgpu; vgpu->id = ret; vgpu->handle = param->handle; vgpu->gvt = gvt; bitmap_zero(vgpu->tlb_handle_pending, I915_NUM_ENGINES); intel_vgpu_init_cfg_space(vgpu, param->primary); ret = intel_vgpu_init_mmio(vgpu); if (ret) goto out_clean_idr; ret = intel_vgpu_alloc_resource(vgpu, param); if (ret) goto out_clean_vgpu_mmio; populate_pvinfo_page(vgpu); ret = intel_gvt_hypervisor_attach_vgpu(vgpu); if (ret) goto out_clean_vgpu_resource; ret = intel_vgpu_init_gtt(vgpu); if (ret) goto out_detach_hypervisor_vgpu; ret = intel_vgpu_init_display(vgpu); if (ret) goto out_clean_gtt; ret = intel_vgpu_init_execlist(vgpu); if (ret) goto out_clean_display; ret = intel_vgpu_init_gvt_context(vgpu); if (ret) goto out_clean_execlist; ret = intel_vgpu_init_sched_policy(vgpu); if (ret) goto out_clean_shadow_ctx; vgpu->active = true; mutex_unlock(&gvt->lock); return vgpu; out_clean_shadow_ctx: intel_vgpu_clean_gvt_context(vgpu); out_clean_execlist: intel_vgpu_clean_execlist(vgpu); out_clean_display: intel_vgpu_clean_display(vgpu); out_clean_gtt: intel_vgpu_clean_gtt(vgpu); out_detach_hypervisor_vgpu: intel_gvt_hypervisor_detach_vgpu(vgpu); out_clean_vgpu_resource: intel_vgpu_free_resource(vgpu); out_clean_vgpu_mmio: intel_vgpu_clean_mmio(vgpu); out_clean_idr: idr_remove(&gvt->vgpu_idr, vgpu->id); out_free_vgpu: vfree(vgpu); mutex_unlock(&gvt->lock); return ERR_PTR(ret); }
static struct intel_vgpu *__intel_gvt_create_vgpu(struct intel_gvt *gvt, struct intel_vgpu_creation_params *param) { struct intel_vgpu *vgpu; int ret; gvt_dbg_core("handle %llu low %llu MB high %llu MB fence %llu\n", param->handle, param->low_gm_sz, param->high_gm_sz, param->fence_sz); vgpu = vzalloc(sizeof(*vgpu)); if (!vgpu) return ERR_PTR(-ENOMEM); mutex_lock(&gvt->lock); ret = idr_alloc(&gvt->vgpu_idr, vgpu, IDLE_VGPU_IDR + 1, GVT_MAX_VGPU, GFP_KERNEL); if (ret < 0) goto out_free_vgpu; vgpu->id = ret; vgpu->handle = param->handle; vgpu->gvt = gvt; vgpu->sched_ctl.weight = param->weight; INIT_LIST_HEAD(&vgpu->dmabuf_obj_list_head); idr_init(&vgpu->object_idr); intel_vgpu_init_cfg_space(vgpu, param->primary); ret = intel_vgpu_init_mmio(vgpu); if (ret) goto out_clean_idr; ret = intel_vgpu_alloc_resource(vgpu, param); if (ret) goto out_clean_vgpu_mmio; populate_pvinfo_page(vgpu); ret = intel_gvt_hypervisor_attach_vgpu(vgpu); if (ret) goto out_clean_vgpu_resource; ret = intel_vgpu_init_gtt(vgpu); if (ret) goto out_detach_hypervisor_vgpu; ret = intel_vgpu_init_opregion(vgpu); if (ret) goto out_clean_gtt; ret = intel_vgpu_init_display(vgpu, param->resolution); if (ret) goto out_clean_opregion; ret = intel_vgpu_setup_submission(vgpu); if (ret) goto out_clean_display; ret = intel_vgpu_init_sched_policy(vgpu); if (ret) goto out_clean_submission; ret = intel_gvt_debugfs_add_vgpu(vgpu); if (ret) goto out_clean_sched_policy; ret = intel_gvt_hypervisor_set_opregion(vgpu); if (ret) goto out_clean_sched_policy; mutex_unlock(&gvt->lock); return vgpu; out_clean_sched_policy: intel_vgpu_clean_sched_policy(vgpu); out_clean_submission: intel_vgpu_clean_submission(vgpu); out_clean_display: intel_vgpu_clean_display(vgpu); out_clean_opregion: intel_vgpu_clean_opregion(vgpu); out_clean_gtt: intel_vgpu_clean_gtt(vgpu); out_detach_hypervisor_vgpu: intel_gvt_hypervisor_detach_vgpu(vgpu); out_clean_vgpu_resource: intel_vgpu_free_resource(vgpu); out_clean_vgpu_mmio: intel_vgpu_clean_mmio(vgpu); out_clean_idr: idr_remove(&gvt->vgpu_idr, vgpu->id); out_free_vgpu: vfree(vgpu); mutex_unlock(&gvt->lock); return ERR_PTR(ret); }