1 // SPDX-License-Identifier: MIT
43 	return &container_of(huc, struct xe_uc, huc)->guc;  in huc_to_guc()
61 	huc->gsc_pkt = bo;  in huc_alloc_gsc_pkt()
69 	struct xe_tile *tile = gt_to_tile(gt);  in xe_huc_init()  local
73 	huc->fw.type = XE_UC_FW_TYPE_HUC;  in xe_huc_init()
76 	if (tile->media_gt && (gt != tile->media_gt)) {  in xe_huc_init()
77 		xe_uc_fw_change_status(&huc->fw, XE_UC_FIRMWARE_NOT_SUPPORTED);  in xe_huc_init()
81 	ret = xe_uc_fw_init(&huc->fw);  in xe_huc_init()
85 	if (!xe_uc_fw_is_enabled(&huc->fw))  in xe_huc_init()
91 	if (huc->fw.has_gsc_headers) {  in xe_huc_init()
97 	xe_uc_fw_change_status(&huc->fw, XE_UC_FIRMWARE_LOADABLE);  in xe_huc_init()
108 	struct xe_tile *tile = gt_to_tile(huc_to_gt(huc));  in xe_huc_init_post_hwconfig()  local
115 	if (!xe_uc_fw_is_loadable(&huc->fw))  in xe_huc_init_post_hwconfig()
118 	ret = xe_managed_bo_reinit_in_vram(xe, tile, &huc->fw.bo);  in xe_huc_init_post_hwconfig()
127 	if (!xe_uc_fw_is_loadable(&huc->fw))  in xe_huc_upload()
129 	return xe_uc_fw_upload(&huc->fw, 0, HUC_UKERNEL);  in xe_huc_upload()
146 			sizeof(struct pxp43_new_huc_auth_in) - sizeof(struct pxp_cmd_header));  in huc_emit_pxp_auth_msg()
157 	struct xe_bo *pkt = huc->gsc_pkt;  in huc_auth_via_gsccs()
166 		return -ENODEV;  in huc_auth_via_gsccs()
170 	wr_offset = xe_gsc_emit_header(xe, &pkt->vmap, 0, HECI_MEADDRESS_PXP, 0,  in huc_auth_via_gsccs()
172 	wr_offset = huc_emit_pxp_auth_msg(xe, &pkt->vmap, wr_offset,  in huc_auth_via_gsccs()
173 					  xe_bo_ggtt_addr(huc->fw.bo),  in huc_auth_via_gsccs()
174 					  xe_bo_size(huc->fw.bo));  in huc_auth_via_gsccs()
176 		err = xe_gsc_pkt_submit_kernel(&gt->uc.gsc, ggtt_offset, wr_offset,  in huc_auth_via_gsccs()
182 		if (xe_gsc_check_and_update_pending(xe, &pkt->vmap, 0, &pkt->vmap,  in huc_auth_via_gsccs()
184 			err = -EBUSY;  in huc_auth_via_gsccs()
187 	} while (--retry && err == -EBUSY);  in huc_auth_via_gsccs()
194 	err = xe_gsc_read_out_header(xe, &pkt->vmap, PXP43_HUC_AUTH_INOUT_SIZE,  in huc_auth_via_gsccs()
206 	out_status = huc_auth_msg_rd(xe, &pkt->vmap, rd_offset, header.status);  in huc_auth_via_gsccs()
209 		return -EIO;  in huc_auth_via_gsccs()
232 	return xe_mmio_read32(&gt->mmio, huc_auth_modes[type].reg) & huc_auth_modes[type].val;  in xe_huc_is_authenticated()
241 	if (!xe_uc_fw_is_loadable(&huc->fw))  in xe_huc_auth()
244 	/* On newer platforms the HuC survives reset, so no need to re-auth */  in xe_huc_auth()
246 		xe_uc_fw_change_status(&huc->fw, XE_UC_FIRMWARE_RUNNING);  in xe_huc_auth()
250 	if (!xe_uc_fw_is_loaded(&huc->fw))  in xe_huc_auth()
251 		return -ENOEXEC;  in xe_huc_auth()
255 		ret = xe_guc_auth_huc(guc, xe_bo_ggtt_addr(huc->fw.bo) +  in xe_huc_auth()
256 				      xe_uc_fw_rsa_offset(&huc->fw));  in xe_huc_auth()
263 		return -EINVAL;  in xe_huc_auth()
271 	ret = xe_mmio_wait32(&gt->mmio, huc_auth_modes[type].reg, huc_auth_modes[type].val,  in xe_huc_auth()
278 	xe_uc_fw_change_status(&huc->fw, XE_UC_FIRMWARE_RUNNING);  in xe_huc_auth()
286 	xe_uc_fw_change_status(&huc->fw, XE_UC_FIRMWARE_LOAD_FAIL);  in xe_huc_auth()
293 	xe_uc_fw_sanitize(&huc->fw);  in xe_huc_sanitize()
296 void xe_huc_print_info(struct xe_huc *huc, struct drm_printer *p)  in xe_huc_print_info()  argument
301 	xe_uc_fw_print(&huc->fw, p);  in xe_huc_print_info()
303 	if (!xe_uc_fw_is_enabled(&huc->fw))  in xe_huc_print_info()
310 	drm_printf(p, "\nHuC status: 0x%08x\n",  in xe_huc_print_info()
311 		   xe_mmio_read32(&gt->mmio, HUC_KERNEL_LOAD_INFO));  in xe_huc_print_info()