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