132 lines
3.4 KiB
C
132 lines
3.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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/*
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* GenieZone (hypervisor-based seucrity platform) enables hardware protected
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* and isolated security execution environment, includes
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* 1. GZ hypervisor
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* 2. Hypervisor-TEE OS (built-in Trusty OS)
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* 3. Drivers (ex: debug, communication and interrupt) for GZ and
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* hypervisor-TEE OS
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* 4. GZ and hypervisor-TEE and GZ framework (supporting multiple TEE
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* ecosystem, ex: M-TEE, Trusty, GlobalPlatform, ...)
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*/
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/*
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* Header files for basic KREE functions.
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*/
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#ifndef __KREE_SYSTEM_H__
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#define __KREE_SYSTEM_H__
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#if IS_ENABLED(CONFIG_MTK_IN_HOUSE_TEE_SUPPORT) \
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|| IS_ENABLED(CONFIG_MTK_ENABLE_GENIEZONE)
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#include <tz_cross/trustzone.h>
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#include <gz-trusty/trusty.h>
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#define MAX_UUID_LEN (40)
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int gz_get_cpuinfo_thread(void *data);
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void set_gz_bind_cpu(int on);
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int get_gz_bind_cpu(void);
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int ree_dummy_thread(void *data);
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struct _cpus_cluster_freq {
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unsigned int max_freq;
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unsigned int min_freq;
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};
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#include "mem.h"
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#if IS_ENABLED(CONFIG_GZ_VPU_WITH_M4U)
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int gz_do_m4u_map(KREE_SHAREDMEM_HANDLE handle,
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phys_addr_t pa, uint32_t size,
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uint32_t region_id);
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int gz_do_m4u_umap(KREE_SHAREDMEM_HANDLE handle);
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#endif
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/* Session Management */
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/**
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* Create a new TEE sesssion
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*
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* @param ta_uuid UUID of the TA to connect to.
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* @param pHandle Handle for the new session. Return KREE_SESSION_HANDLE_FAIL if
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* fail.
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* @return return code
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*/
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TZ_RESULT KREE_CreateSession(const char *ta_uuid, KREE_SESSION_HANDLE *pHandle);
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/**
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* Close TEE session
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*
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* @param handle Handle for session to close.
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* @return return code
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*/
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TZ_RESULT KREE_CloseSession(KREE_SESSION_HANDLE handle);
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/**
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* Make a TEE service call and schedule on a CPU mask
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*
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* @param handle Session handle to make the call
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* @param command The command to call.
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* @param paramTypes Types for the parameters, use TZ_ParamTypes() to
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* consturct.
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* @param param The parameters to pass to TEE. Maximum 4 params.
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* @param cpumask CPU mask.
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* @return Return value from TEE service.
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*/
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TZ_RESULT KREE_TeeServiceCallPlus(KREE_SESSION_HANDLE handle, uint32_t command,
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uint32_t paramTypes, union MTEEC_PARAM param[4],
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int32_t cpumask);
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/**
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* Make a TEE service call
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*
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* @param handle Session handle to make the call
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* @param command The command to call.
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* @param paramTypes Types for the parameters, use TZ_ParamTypes() to
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* consturct.
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* @param param The parameters to pass to TEE. Maximum 4 params.
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* @return Return value from TEE service.
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*/
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TZ_RESULT KREE_TeeServiceCall(KREE_SESSION_HANDLE handle, uint32_t command,
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uint32_t paramTypes, union MTEEC_PARAM param[4]);
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/* System Hardware Counter */
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/**
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* Get system counter value.
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*
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* @return The system counter value
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*/
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u64 KREE_GetSystemCnt(void);
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/**
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* Get system counter frequency.
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*
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* @return The system counter frequency
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*/
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u32 KREE_GetSystemCntFrq(void);
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/**
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* KREE_SessionToTID - get tee id from session. Only works after the session
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* has been completely created.
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*
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* @param session Session handle
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* @param o_tid The output tee_id.
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* This API always sets a tee_id value even when errors
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* happened, but still needs to check the return value.
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* @return TZ_RESULT_SUCCESS or errno.
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*/
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TZ_RESULT KREE_SessionToTID(KREE_SESSION_HANDLE session, enum tee_id_t *o_tid);
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#endif /* CONFIG_MTK_IN_HOUSE_TEE_SUPPORT || CONFIG_MTK_ENABLE_GENIEZONE */
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#endif /* __KREE_H__ */
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