android_kernel_samsung_hero.../security/tz_iccc/tz_iccc.h
2016-08-17 16:41:52 +08:00

96 lines
2.9 KiB
C

/*
* =====================================================================================
*
* Filename: tz_iccc.h
*
* Description: This header file must be in sync with tz secure app
*
* Version: 1.0
* Created: 08/20/2015 12:13:42 PM
* Revision: none
* Compiler: gcc
*
* Author: Areef Basha (), areef.basha@samsung.com
* Company: Samsung Electronics
*
* Copyright (c) 2015 by Samsung Electronics, All rights reserved.
*
* =====================================================================================
*/
#ifndef TZ_ICCC_H
#define TZ_ICCC_H
/* ICCC Implementation in Kernel */
#define MIN_PADDING_NEEDED 9
/* ICCC TZApp name */
#define ICCC_TZAPP_NAME "tz_iccc"
/* Defining ICCC related CMD IDs for TZ communication*/
#define CMD_ICCC_INIT 0x00000001
#define CMD_ICCC_SAVEDATA_KERN 0x00000002
#define CMD_ICCC_READDATA_KERN 0x00000003
/* Buffer length to be used for ICCC TZ communication*/
#define ICCC_QSEE_BUFFER_LENGTH 1024
/* QSEECOM driver related MACROS*/
#define QSEECOM_ALIGN_SIZE 0x40
#define QSEECOM_ALIGN_MASK (QSEECOM_ALIGN_SIZE - 1)
#define QSEECOM_ALIGN(x) \
((x + QSEECOM_ALIGN_SIZE) & (~QSEECOM_ALIGN_MASK))
/* structures for ICCC QSEE communication*/
typedef struct tz_msg_header {
/* * First 4 bytes should always be id: either cmd_id or resp_id */
uint32_t id;
uint32_t content_id;
uint32_t len;
uint32_t status;
} __attribute__ ((packed)) tz_msg_header_t;
typedef struct iccc_req_s {
uint32_t cmd_id;
uint32_t type;
uint32_t value;
uint32_t padding[MIN_PADDING_NEEDED]; //only padding , just to make tciMessage_t's size >= 64
} __attribute__ ((packed)) iccc_req_t;
typedef struct iccc_rsp_s {
uint32_t cmd_id;
uint32_t type;
uint32_t value;
int ret;
} __attribute__ ((packed)) iccc_rsp_t;
typedef struct {
union content_u {
iccc_req_t iccc_req;
iccc_rsp_t iccc_rsp;
} __attribute__ ((packed)) content;
} __attribute__ ((packed)) tima_iccc_generic_payload_t;
typedef struct {
tz_msg_header_t header;
union payload_u {
tima_iccc_generic_payload_t generic;
} __attribute__ ((packed)) payload;
} __attribute__ ((packed)) tima_iccc_message_t;
typedef tima_iccc_message_t tciMessage_t;
/* structures for QSEECOM driver interaction*/
struct qseecom_handle {
void *dev; /* in/out */
unsigned char *sbuf; /* in/out */
uint32_t sbuf_len; /* in/out */
};
/* declaring QSEECOM driver related functions*/
extern int qseecom_start_app(struct qseecom_handle **handle, char *app_name, uint32_t size);
extern int qseecom_shutdown_app(struct qseecom_handle **handle);
extern int qseecom_send_command(struct qseecom_handle *handle, void *send_buf, uint32_t sbuf_len, void *resp_buf, uint32_t rbuf_len);
extern int qseecom_set_bandwidth(struct qseecom_handle *handle, bool high);
#endif /* TIMA_UEVENT_H */