diff options
Diffstat (limited to 'drivers/misc/qseecom_legacy.h')
-rw-r--r-- | drivers/misc/qseecom_legacy.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/drivers/misc/qseecom_legacy.h b/drivers/misc/qseecom_legacy.h new file mode 100644 index 000000000000..35d6e0611e9a --- /dev/null +++ b/drivers/misc/qseecom_legacy.h @@ -0,0 +1,79 @@ +/* Qualcomm Secure Execution Environment Communicator (QSEECOM) driver + * + * Copyright (c) 2012, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __QSEECOM_LEGACY_H_ +#define __QSEECOM_LEGACY_H_ + +#include <linux/types.h> + +#define TZ_SCHED_CMD_ID_REGISTER_LISTENER 0x04 + +enum tz_sched_cmd_type { + TZ_SCHED_CMD_INVALID = 0, + TZ_SCHED_CMD_NEW, /* New TZ Scheduler Command */ + TZ_SCHED_CMD_PENDING, /* Pending cmd...sched will restore stack */ + TZ_SCHED_CMD_COMPLETE, /* TZ sched command is complete */ + TZ_SCHED_CMD_MAX = 0x7FFFFFFF +}; + +enum tz_sched_cmd_status { + TZ_SCHED_STATUS_INCOMPLETE = 0, + TZ_SCHED_STATUS_COMPLETE, + TZ_SCHED_STATUS_MAX = 0x7FFFFFFF +}; +/* Command structure for initializing shared buffers */ +__packed struct qse_pr_init_sb_req_s { + /* First 4 bytes should always be command id */ + uint32_t pr_cmd; + /* Pointer to the physical location of sb buffer */ + uint32_t sb_ptr; + /* length of shared buffer */ + uint32_t sb_len; + uint32_t listener_id; +}; + +__packed struct qse_pr_init_sb_rsp_s { + /* First 4 bytes should always be command id */ + uint32_t pr_cmd; + /* Return code, 0 for success, Approp error code otherwise */ + int32_t ret; +}; + +/* + * struct QSEECom_command - QSECom command buffer + * @cmd_type: value from enum tz_sched_cmd_type + * @sb_in_cmd_addr: points to physical location of command + * buffer + * @sb_in_cmd_len: length of command buffer + */ +__packed struct qseecom_command { + uint32_t cmd_type; + uint8_t *sb_in_cmd_addr; + uint32_t sb_in_cmd_len; +}; + +/* + * struct QSEECom_response - QSECom response buffer + * @cmd_status: value from enum tz_sched_cmd_status + * @sb_in_rsp_addr: points to physical location of response + * buffer + * @sb_in_rsp_len: length of command response + */ +__packed struct qseecom_response { + uint32_t cmd_status; + uint8_t *sb_in_rsp_addr; + uint32_t sb_in_rsp_len; +}; + +#endif /* __QSEECOM_LEGACY_H_ */ |