| /******************************************************************************** |
| * Marvell GPL License Option |
| * |
| * If you received this File from Marvell, you may opt to use, redistribute and/or |
| * modify this File in accordance with the terms and conditions of the General |
| * Public License Version 2, June 1991 (the "GPL License"), a copy of which is |
| * available along with the File in the license.txt file or by writing to the Free |
| * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or |
| * on the worldwide web at http://www.gnu.org/licenses/gpl.txt. |
| * |
| * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY |
| * DISCLAIMED. The GPL License provides additional details about this warranty |
| * disclaimer. |
| ******************************************************************************/ |
| |
| #ifndef _TZ_CMD_TEE_H_ |
| #define _TZ_CMD_TEE_H_ |
| |
| #include "tee_internal_core_common.h" |
| |
| #define tee_param TEE_Param |
| |
| /* |
| * in order to make it simple, and sync with TEE, |
| * we use fixed size command for communication. |
| * each channel is 2kB, and it's readable/writable in nw. |
| * here, shm is temporary shared memory between nw/sw, which |
| * is used for some light communications. |
| * |
| */ |
| #define TEE_COMM_CHANNEL_SIZE (2048) |
| #define TEE_COMM_HEADER_SIZE (32) |
| #define TEE_COMM_PARAM_SIZE \ |
| ((TEE_COMM_CHANNEL_SIZE - TEE_COMM_HEADER_SIZE) / 2) |
| #define TEE_COMM_PARAM_BASIC_SIZE (52) |
| #define TEE_COMM_PARAM_EXT_SIZE \ |
| (TEE_COMM_PARAM_SIZE - TEE_COMM_PARAM_BASIC_SIZE) |
| |
| struct tee_comm_param { |
| uint32_t session_id; |
| uint32_t cmd_id; |
| uint32_t flags; |
| uint32_t param_types; |
| union tee_param params[4]; |
| uint32_t param_ext_size; |
| uint8_t param_ext[TEE_COMM_PARAM_EXT_SIZE]; |
| }; |
| |
| struct tee_comm { |
| uint32_t used; |
| /* FIXME: to support 32-bit user-land APP and |
| * 32-bit EL1 TZ kernel, change void * to uint32_t, |
| * needs to refine later if to support 64-bit EL1 |
| * TZ kernel and 64-bit user-land app. |
| */ |
| uint32_t pa; |
| uint32_t va; |
| uint8_t reserved[TEE_COMM_HEADER_SIZE - |
| 3 * sizeof(uint32_t)]; |
| struct tee_comm_param call_param; |
| struct tee_comm_param callback_param; |
| }; |
| |
| #if 0 |
| typedef int (*tee_cmd_handler_user)(void *userdata, |
| uint32_t cmd_id, |
| uint32_t param_types, |
| union tee_param params[4]); |
| |
| typedef int (*tee_cmd_handler_sys)(void *userdata, |
| uint32_t cmd_id, |
| uint32_t param_types, |
| union tee_param params[4], |
| void *param_ext, |
| uint32_t param_ext_size); |
| #endif |
| |
| #endif /* _TZ_CMD_TEE_H_ */ |
