88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
/*
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* @file tz_iccc.h
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* @brief header file for kernel tz_iccc
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* Copyright (c) 2015, Samsung Electronics Corporation. All rights reserved.
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*/
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#ifndef TZ_ICCC_H
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#define TZ_ICCC_H
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/* ICCC Implementation in Kernel */
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#define MIN_PADDING_NEEDED 9
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/* ICCC TZApp name */
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#define ICCC_TZAPP_NAME "tz_iccc"
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/* Defining ICCC related CMD IDs for TZ communication*/
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#define CMD_ICCC_INIT 0x00000001
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#define CMD_ICCC_SAVEDATA_KERN 0x00000002
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#define CMD_ICCC_READDATA_KERN 0x00000003
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/* Buffer length to be used for ICCC TZ communication*/
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#define ICCC_QSEE_BUFFER_LENGTH 1024
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/* QSEECOM driver related MACROS*/
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#define QSEECOM_ALIGN_SIZE 0x40
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#define QSEECOM_ALIGN_MASK (QSEECOM_ALIGN_SIZE - 1)
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#define QSEECOM_ALIGN(x) \
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((x + QSEECOM_ALIGN_SIZE) & (~QSEECOM_ALIGN_MASK))
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/* structures for ICCC QSEE communication*/
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typedef struct tz_msg_header {
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/* * First 4 bytes should always be id: either cmd_id or resp_id */
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uint32_t id;
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uint32_t content_id;
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uint32_t len;
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uint32_t status;
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} __attribute__ ((packed)) tz_msg_header_t;
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typedef struct iccc_req_s {
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uint32_t cmd_id;
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uint32_t type;
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uint32_t value;
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uint32_t padding[MIN_PADDING_NEEDED]; //only padding , just to make tciMessage_t's size >= 64
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} __attribute__ ((packed)) iccc_req_t;
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typedef struct iccc_rsp_s {
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uint32_t cmd_id;
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uint32_t type;
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uint32_t value;
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int ret;
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} __attribute__ ((packed)) iccc_rsp_t;
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typedef struct {
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union content_u {
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iccc_req_t iccc_req;
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iccc_rsp_t iccc_rsp;
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} __attribute__ ((packed)) content;
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} __attribute__ ((packed)) tima_iccc_generic_payload_t;
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typedef struct {
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tz_msg_header_t header;
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union payload_u {
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tima_iccc_generic_payload_t generic;
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} __attribute__ ((packed)) payload;
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} __attribute__ ((packed)) tima_iccc_message_t;
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typedef tima_iccc_message_t tciMessage_t;
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/* structures for QSEECOM driver interaction*/
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struct qseecom_handle {
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void *dev; /* in/out */
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unsigned char *sbuf; /* in/out */
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uint32_t sbuf_len; /* in/out */
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};
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/* declaring QSEECOM driver related functions*/
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extern int qseecom_start_app(struct qseecom_handle **handle, char *app_name, uint32_t size);
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extern int qseecom_shutdown_app(struct qseecom_handle **handle);
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extern int qseecom_send_command(struct qseecom_handle *handle, void *send_buf, uint32_t sbuf_len, void *resp_buf, uint32_t rbuf_len);
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extern int qseecom_set_bandwidth(struct qseecom_handle *handle, bool high);
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#endif /* TIMA_UEVENT_H */
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