190 lines
5.3 KiB
C
Executable file
190 lines
5.3 KiB
C
Executable file
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (c) 2015 MediaTek Inc.
|
|
*/
|
|
|
|
#ifndef __CMDQ_SEC_H__
|
|
#define __CMDQ_SEC_H__
|
|
|
|
#include "cmdq_helper_ext.h"
|
|
|
|
#if defined(CMDQ_SECURE_PATH_SUPPORT)
|
|
#include "cmdq_sec_iwc_common.h"
|
|
#if defined(CMDQ_SECURE_TEE_SUPPORT)
|
|
#include "tee_client_api.h"
|
|
#endif
|
|
#if defined(CMDQ_GP_SUPPORT)
|
|
#include "cmdq_sec_gp.h"
|
|
#else
|
|
#include "cmdq_sec_trustonic.h"
|
|
#endif
|
|
#if defined(CMDQ_SECURE_MTEE_SUPPORT)
|
|
#include "cmdq_sec_mtee.h"
|
|
#endif
|
|
#endif /* CMDQ_SECURE_PATH_SUPPORT */
|
|
|
|
|
|
/*
|
|
* error code for CMDQ
|
|
*/
|
|
#define CMDQ_ERR_NULL_SEC_CTX_HANDLE (6000)
|
|
#define CMDQ_ERR_SEC_CTX_SETUP (6001)
|
|
#define CMDQ_ERR_SEC_CTX_TEARDOWN (6002)
|
|
|
|
/*
|
|
* inter-world communication state
|
|
*/
|
|
enum CMDQ_IWC_STATE_ENUM {
|
|
IWC_INIT = 0,
|
|
IWC_CONTEXT_INITED = 1,
|
|
IWC_WSM_ALLOCATED = 2,
|
|
IWC_SES_OPENED = 3,
|
|
IWC_SES_MSG_PACKAGED = 4,
|
|
IWC_SES_TRANSACTED = 5,
|
|
IWC_SES_ON_TRANSACTED = 6,
|
|
IWC_END_OF_ENUM = 7,
|
|
};
|
|
|
|
/* CMDQ secure context struct
|
|
* note it is not global data, each process has its own CMDQ sec context
|
|
*/
|
|
struct cmdqSecContextStruct {
|
|
struct list_head listEntry;
|
|
|
|
/* basic info */
|
|
uint32_t tgid; /* tgid of process context */
|
|
uint32_t referCount; /* reference count for open cmdq device node */
|
|
|
|
/* iwc state */
|
|
enum CMDQ_IWC_STATE_ENUM state;
|
|
|
|
/* iwc information */
|
|
void *iwcMessage; /* message buffer */
|
|
void *iwcMessageEx; /* message buffer extra */
|
|
void *iwcMessageEx2; /* message buffer extra */
|
|
|
|
#if defined(CMDQ_SECURE_PATH_SUPPORT)
|
|
struct cmdq_sec_tee_context tee; /* trustzone parameters */
|
|
#endif
|
|
#if defined(CMDQ_SECURE_MTEE_SUPPORT)
|
|
void *mtee_iwcMessage;
|
|
void *mtee_iwcMessageEx;
|
|
void *mtee_iwcMessageEx2;
|
|
struct cmdq_sec_mtee_context mtee;
|
|
#endif
|
|
};
|
|
|
|
extern const u32 isp_iwc_buf_size[];
|
|
|
|
int32_t cmdq_sec_init_allocate_resource_thread(void *data);
|
|
|
|
s32 cmdq_sec_task_copy_to_buffer(struct cmdqRecStruct *task,
|
|
struct cmdqCommandStruct *desc);
|
|
|
|
const struct cmdq_controller *cmdq_sec_get_controller(void);
|
|
|
|
/*
|
|
* Create and destroy non-cachable shared memory,
|
|
* used to share data for CMDQ driver between NWd and SWd
|
|
*
|
|
* Be careful that we should not disvlose any information about secure buffer
|
|
* address of
|
|
*/
|
|
int32_t cmdq_sec_create_shared_memory(
|
|
struct cmdqSecSharedMemoryStruct **pHandle, const uint32_t size);
|
|
int32_t cmdq_sec_destroy_shared_memory(
|
|
struct cmdqSecSharedMemoryStruct *handle);
|
|
|
|
/*
|
|
* Callback to fill message buffer for secure task
|
|
*
|
|
* Params:
|
|
* init32_t command id
|
|
* void* pornter of TaskStruct
|
|
* int32_t CMDQ HW thread id
|
|
* void* the inter-world communication buffer
|
|
* Return:
|
|
* >=0 for success;
|
|
*/
|
|
typedef int32_t(*CmdqSecFillIwcCB) (
|
|
int32_t, void *, int32_t, void *, void *, void *);
|
|
|
|
|
|
/*
|
|
* Entry secure world to handle secure path jobs
|
|
* .submit task
|
|
* .cancel error task
|
|
*/
|
|
|
|
int32_t cmdq_sec_exec_task_async_unlocked(
|
|
struct cmdqRecStruct *pTask, int32_t thread);
|
|
int32_t cmdq_sec_cancel_error_task_unlocked(
|
|
struct cmdqRecStruct *pTask, int32_t thread,
|
|
struct cmdqSecCancelTaskResultStruct *pResult);
|
|
int32_t cmdq_sec_allocate_path_resource_unlocked(
|
|
bool throwAEE, const bool mtee);
|
|
s32 cmdq_sec_get_secure_thread_exec_counter(const s32 thread);
|
|
s32 cmdq_sec_revise_jump(struct cmdqRecStruct *handle);
|
|
s32 cmdq_sec_handle_error_result(struct cmdqRecStruct *task, s32 thread,
|
|
const s32 waitQ, bool throw_aee);
|
|
|
|
|
|
/* function declaretion */
|
|
struct cmdqSecContextStruct *cmdq_sec_context_handle_create(uint32_t tgid);
|
|
s32 cmdq_sec_insert_backup_cookie_instr(struct cmdqRecStruct *task, s32 thread);
|
|
void cmdq_sec_dump_secure_thread_cookie(s32 thread);
|
|
s32 cmdq_mbox_sec_chan_id(void *chan);
|
|
|
|
/*
|
|
* secure path control
|
|
*/
|
|
void cmdq_sec_lock_secure_path(void);
|
|
void cmdq_sec_unlock_secure_path(void);
|
|
|
|
void cmdqSecInitialize(void);
|
|
void cmdqSecDeInitialize(void);
|
|
|
|
void cmdqSecEnableProfile(const bool enable);
|
|
|
|
#if defined(CMDQ_SECURE_PATH_SUPPORT)
|
|
/*
|
|
* tee vendor interface
|
|
*/
|
|
void cmdq_sec_setup_tee_context(struct cmdq_sec_tee_context *tee);
|
|
|
|
s32 cmdq_sec_init_context(struct cmdq_sec_tee_context *tee);
|
|
|
|
s32 cmdq_sec_deinit_context(struct cmdq_sec_tee_context *tee);
|
|
|
|
s32 cmdq_sec_allocate_wsm(struct cmdq_sec_tee_context *tee, void **wsm_buffer,
|
|
u32 size, void **wsm_buf_ex, u32 size_ex,
|
|
void **wsm_buf_ex2, u32 size_ex2);
|
|
|
|
s32 cmdq_sec_free_wsm(struct cmdq_sec_tee_context *tee, void **wsm_buffer);
|
|
|
|
s32 cmdq_sec_open_session(struct cmdq_sec_tee_context *tee, void *wsm_buffer);
|
|
|
|
s32 cmdq_sec_close_session(struct cmdq_sec_tee_context *tee);
|
|
|
|
s32 cmdq_sec_execute_session(struct cmdq_sec_tee_context *tee,
|
|
u32 cmd, s32 timeout_ms, bool share_mem_ex, bool share_mem_ex2);
|
|
#endif /* CMDQ_SECURE_PATH_SUPPORT */
|
|
|
|
#if defined(CMDQ_SECURE_MTEE_SUPPORT)
|
|
void cmdq_sec_mtee_setup_context(struct cmdq_sec_mtee_context *tee);
|
|
s32 cmdq_sec_mtee_allocate_shared_memory(struct cmdq_sec_mtee_context *tee,
|
|
const dma_addr_t MVABase, const u32 size);
|
|
s32 cmdq_sec_mtee_allocate_wsm(struct cmdq_sec_mtee_context *tee,
|
|
void **wsm_buffer, u32 size, void **wsm_buf_ex, u32 size_ex,
|
|
void **wsm_buf_ex2, u32 size_ex2);
|
|
s32 cmdq_sec_mtee_free_wsm(
|
|
struct cmdq_sec_mtee_context *tee, void **wsm_buffer);
|
|
s32 cmdq_sec_mtee_open_session(
|
|
struct cmdq_sec_mtee_context *tee, void *wsm_buffer);
|
|
s32 cmdq_sec_mtee_close_session(struct cmdq_sec_mtee_context *tee);
|
|
s32 cmdq_sec_mtee_execute_session(struct cmdq_sec_mtee_context *tee,
|
|
u32 cmd, s32 timeout_ms, bool share_mem_ex, bool share_mem_ex2);
|
|
#endif
|
|
|
|
#endif /* __DDP_CMDQ_SEC_H__ */
|