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/* Qualcomm Secure Execution Environment Communicator (QSEECOM) driver
*
* Copyright (c) 2012, Code Aurora Forum. 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_ */