207 lines
5.1 KiB
C
207 lines
5.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2015 MediaTek Inc.
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*/
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#ifndef __CMDQ_SEC_H__
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#define __CMDQ_SEC_H__
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#include "cmdq_core.h"
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#ifndef CONFIG_MTK_CMDQ_TAB
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#if defined(CMDQ_SECURE_PATH_SUPPORT)
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#include "mobicore_driver_api.h"
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#include "cmdq_sec_iwc_common.h"
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#endif
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#else
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#include "cmdq_sec_iwc_common.h"
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#ifdef CMDQ_SECURE_PATH_SUPPORT
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#include "trustzone/kree/system.h"
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#include "trustzone/kree/mem.h"
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#endif
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#endif
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/**
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* error code for CMDQ
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*/
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#define CMDQ_ERR_NULL_SEC_CTX_HANDLE (6000)
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#define CMDQ_ERR_SEC_CTX_SETUP (6001)
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#define CMDQ_ERR_SEC_CTX_TEARDOWN (6002)
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/**
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* inter-world communication state
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*/
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enum CMDQ_IWC_STATE_ENUM {
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IWC_INIT = 0,
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IWC_MOBICORE_OPENED = 1,
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IWC_WSM_ALLOCATED = 2,
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IWC_SES_OPENED = 3,
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IWC_SES_MSG_PACKAGED = 4,
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IWC_SES_TRANSACTED = 5,
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IWC_SES_ON_TRANSACTED = 6,
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IWC_END_OF_ENUM = 7,
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};
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/**
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* CMDQ secure context struct
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* note it is not global data, each process has its own CMDQ sec context
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*/
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struct cmdqSecContextStruct {
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struct list_head listEntry;
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/* basic info */
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uint32_t tgid; /* tgid of process context */
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uint32_t referCount; /* reference count for open cmdq device node */
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/* iwc state */
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enum CMDQ_IWC_STATE_ENUM state;
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/* iwc information */
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void *iwcMessage; /* message buffer */
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#ifndef CONFIG_MTK_CMDQ_TAB
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#if defined(CMDQ_SECURE_PATH_SUPPORT)
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/* Universally Unique Identifier of secure tl/dr */
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struct mc_uuid_t uuid;
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struct mc_session_handle sessionHandle; /* session handle */
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#endif
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/* true if someone has opened mobicore */
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/* device in this prpocess context */
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uint32_t openMobicoreByOther;
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#else
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#if defined(CMDQ_SECURE_PATH_SUPPORT)
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KREE_SESSION_HANDLE sessionHandle;
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KREE_SESSION_HANDLE memSessionHandle;
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#endif
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#endif
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};
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int32_t cmdq_sec_init_allocate_resource_thread(void *data);
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/**
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* Create and destroy non-cachable shared memory,
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* used to share data for CMDQ driver between NWd and SWd
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*
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* Be careful that we should not disvlose
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* any information about secure buffer address of
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*/
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int32_t cmdq_sec_create_shared_memory(
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struct cmdqSecSharedMemoryStruct **pHandle,
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const uint32_t size);
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int32_t cmdq_sec_destroy_shared_memory(
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struct cmdqSecSharedMemoryStruct *handle);
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/**
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* Callback to fill message buffer for secure task
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*
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* Params:
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* init32_t command id
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* void* pornter of TaskStruct
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* int32_t CMDQ HW thread id
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* void* the inter-world communication buffer
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* Return:
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* >=0 for success;
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*/
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#ifndef CONFIG_MTK_CMDQ_TAB
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typedef int32_t(*CmdqSecFillIwcCB) (int32_t, void *, int32_t, void *);
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#else
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typedef int32_t(*CmdqSecFillIwcCB) (struct iwcCmdqMessage_t *_pIwc,
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uint32_t iwcCommand,
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struct TaskStruct *_pTask, int32_t thread);
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#endif
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/**
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* Entry secure world to handle secure path jobs
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* .submit task
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* .cancel error task
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*/
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int32_t cmdq_sec_exec_task_async_unlocked(
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struct TaskStruct *pTask, int32_t thread);
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int32_t cmdq_sec_cancel_error_task_unlocked(
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struct TaskStruct *pTask, int32_t thread,
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struct cmdqSecCancelTaskResultStruct *pResult);
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int32_t cmdq_sec_allocate_path_resource_unlocked(bool throwAEE);
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/**
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* secure path control
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*/
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void cmdq_sec_lock_secure_path(void);
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void cmdq_sec_unlock_secure_path(void);
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void cmdqSecInitialize(void);
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void cmdqSecDeInitialize(void);
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void cmdqSecEnableProfile(const bool enable);
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/* function declaretion */
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struct cmdqSecContextStruct *cmdq_sec_context_handle_create(
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uint32_t tgid);
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#ifdef CONFIG_MTK_CMDQ_TAB
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int32_t cmdq_sec_submit_to_secure_world_async_unlocked(
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uint32_t iwcCommand,
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struct TaskStruct *pTask,
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int32_t thread,
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CmdqSecFillIwcCB iwcFillCB, void *data, bool throwAEE);
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struct cmdqSecContextStruct *cmdq_sec_acquire_context_handle(
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uint32_t tgid);
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int32_t cmdq_sec_release_context_handle(uint32_t tgid);
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void cmdq_sec_dump_context_list(void);
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int cmdq_sec_init_secure_path(void *data);
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void cmdq_sec_set_commandId(uint32_t cmdId);
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const uint32_t cmdq_sec_get_commandId(void);
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int32_t cmdq_sec_init_share_memory(void);
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void cmdq_debug_set_sw_copy(int32_t value);
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int32_t cmdq_debug_get_sw_copy(void);
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void cmdq_sec_set_sec_print_count(uint32_t count, bool bPrint);
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uint32_t cmdq_sec_get_sec_print_count(void);
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int32_t cmdq_sec_get_log_level(void);
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/* add for universal communicate with TEE */
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struct transmitBufferStruct {
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void *pBuffer; /* the share memory */
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uint32_t size; /* share memory size */
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#ifdef CMDQ_SECURE_PATH_SUPPORT
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KREE_SHAREDMEM_HANDLE shareMemHandle;
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KREE_SESSION_HANDLE cmdqHandle;
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KREE_SESSION_HANDLE memSessionHandle;
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#endif
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};
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#if defined(CMDQ_SECURE_PATH_SUPPORT)
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/* the session to communicate with TA */
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KREE_SESSION_HANDLE cmdq_session_handle(void);
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KREE_SESSION_HANDLE cmdq_mem_session_handle(void);
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int32_t cmdq_sec_create_shared_memory(
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struct cmdqSecSharedMemoryStruct **pHandle,
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const uint32_t size);
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int32_t cmdq_sec_destroy_shared_memory(
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struct cmdqSecSharedMemoryStruct *handle);
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int32_t cmdqSecRegisterSecureBuffer(
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struct transmitBufferStruct *pSecureData);
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int32_t cmdqSecServiceCall(
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struct transmitBufferStruct *pSecureData, int32_t cmd);
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int32_t cmdqSecUnRegisterSecureBuffer(
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struct transmitBufferStruct *pSecureData);
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void cmdq_sec_register_secure_irq(void);
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#endif
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#endif
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#endif /* __DDP_CMDQ_SEC_H__ */
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