firmware/broadcom/tee_bnxt_fw.c

1 // SPDX-License-Identifier: GPL-2.0
21 	 * TA_CMD_BNXT_FASTBOOT - boot bnxt device by copying f/w into sram
29 	 *	TEE_SUCCESS - Invoke command success
30 	 *	TEE_ERROR_ITEM_NOT_FOUND - Corrupt f/w image found on memory
35 	 * TA_CMD_BNXT_COPY_COREDUMP - copy the core dump into shm
37 	 *	param[0] (inout memref) - Coredump buffer memory reference
38 	 *	param[1] (in value) - value.a: offset, data to be copied from
44 	 *	TEE_SUCCESS - Invoke command success
45 	 *	TEE_ERROR_BAD_PARAMETERS - Incorrect input param
46 	 *	TEE_ERROR_ITEM_NOT_FOUND - Corrupt core dump
52  * struct tee_bnxt_fw_private - OP-TEE bnxt private data
53  * @dev:		OP-TEE based bnxt device.
54  * @ctx:		OP-TEE context handler.
73 	arg->func = cmd;  in prepare_args()
74 	arg->session = pvt_data.session_id;  in prepare_args()
75 	arg->num_params = MAX_TEE_PARAM_ARRY_MEMB;  in prepare_args()
94  * tee_bnxt_fw_load() - Load the bnxt firmware
95  *		    Uses an OP-TEE call to start a secure
106 		return -ENODEV;  in tee_bnxt_fw_load()
113 			"TA_CMD_BNXT_FASTBOOT invoke failed TEE err: %x, ret:%x\n",  in tee_bnxt_fw_load()
115 		return -EINVAL;  in tee_bnxt_fw_load()
123  * tee_bnxt_copy_coredump() - Copy coredump from the allocated memory
124  *			    Uses an OP-TEE call to copy coredump
141 		return -ENODEV;  in tee_bnxt_copy_coredump()
157 				"TA_CMD_BNXT_COPY_COREDUMP invoke failed TEE err: %x, ret:%x\n",  in tee_bnxt_copy_coredump()
159 			return -EINVAL;  in tee_bnxt_copy_coredump()
170 		rbytes -= nbytes;  in tee_bnxt_copy_coredump()
181 	return (ver->impl_id == TEE_IMPL_ID_OPTEE);  in optee_ctx_match()
187 	int ret, err = -ENODEV;  in tee_bnxt_fw_probe()
193 	/* Open context with TEE driver */  in tee_bnxt_fw_probe()
197 		return -ENODEV;  in tee_bnxt_fw_probe()
200 	export_uuid(sess_arg.uuid, &bnxt_device->id.uuid);  in tee_bnxt_fw_probe()
208 		err = -EINVAL;  in tee_bnxt_fw_probe()
258 MODULE_DEVICE_TABLE(tee, tee_bnxt_fw_id_table);