138 lines
3.6 KiB
C
138 lines
3.6 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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#ifndef __CMDQ_SEC_H__
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#define __CMDQ_SEC_H__
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#include <linux/kernel.h>
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#include <linux/soc/mediatek/mtk-cmdq.h>
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#include "cmdq-sec-iwc-common.h"
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enum CMDQ_SEC_SCENARIO {
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CMDQ_SEC_PRIMARY_DISP = 1,
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CMDQ_SEC_SUB_DISP = 4,
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/* client from user space, so the cmd buffer is in user space. */
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CMDQ_SEC_USER_MDP = 12,
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CMDQ_SEC_DEBUG = 13,
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CMDQ_SEC_DISP_PRIMARY_DISABLE_SECURE_PATH = 18,
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CMDQ_SEC_DISP_SUB_DISABLE_SECURE_PATH = 19,
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CMDQ_SEC_KERNEL_CONFIG_GENERAL = 38,
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/* debug scenario use mdp flush */
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CMDQ_SEC_DEBUG_MDP = 42,
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/* for ISP kernel driver */
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CMDQ_SEC_ISP_RSC = 43,
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CMDQ_SEC_ISP_FDVT = 44,
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CMDQ_SEC_ISP_DPE = 45,
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CMDQ_MAX_SEC_COUNT /* ALWAYS keep at the end */
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};
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struct cmdq_sec_addr_meta {
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/* [IN]_d, index of instruction.
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* Update its arg_b value to real PA/MVA in secure world
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*/
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uint32_t instrIndex;
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/*
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* Note: Buffer and offset
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*
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* -------------
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* | | |
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* -------------
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* ^ ^ ^ ^
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* A B C D
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*
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* A: baseHandle
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* B: baseHandle + blockOffset
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* C: baseHandle + blockOffset + offset
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* A~B or B~D: size
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*/
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uint32_t type; /* [IN] addr handle type */
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uint64_t baseHandle; /* [IN]_h, secure address handle */
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/* [IN]_b, block offset from handle(PA) to current block(plane) */
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uint32_t blockOffset;
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uint32_t offset; /* [IN]_b, buffser offset to secure handle */
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uint32_t size; /* buffer size */
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uint32_t port; /* hw port id (i.e. M4U port id) */
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uint32_t sec_id;
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uint32_t useSecIdinMeta;
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int32_t ionFd;
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};
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struct cmdq_sec_data {
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/* address metadata, used to translate secure buffer PA
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* related instruction in secure world
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*/
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uint32_t addrMetadataCount; /* [IN] count of element in addrList */
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/* [IN] array of cmdq_sec_addr_meta */
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uint64_t addrMetadatas;
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uint32_t addrMetadataMaxCount; /*[Reserved] */
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enum CMDQ_SEC_SCENARIO scenario;
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uint64_t enginesNeedDAPC;
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uint64_t enginesNeedPortSecurity;
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/* [Reserved] This is for CMDQ driver usage itself. Not for client.
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* task index in thread's tasklist. -1 for not in tasklist.
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*/
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int32_t waitCookie;
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/* reset HW thread in SWd */
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bool resetExecCnt;
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enum cmdq_sec_meta_type client_meta_type;
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u32 client_meta_size[4];
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void *client_meta[4];
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/* response */
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s32 response;
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struct iwcCmdqSecStatus_t sec_status;
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/* SVP HDR */
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uint32_t mdp_extension;
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struct readback_engine readback_engs[CMDQ_MAX_READBACK_ENG];
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uint32_t readback_cnt;
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/* MTEE */
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bool mtee;
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/* iommu_sec_id */
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int32_t sec_id;
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};
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/* implementation in cmdq-sec-helper.c */
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s32 cmdq_sec_pkt_set_data(struct cmdq_pkt *pkt, const u64 dapc_engine,
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const u64 port_sec_engine, const enum CMDQ_SEC_SCENARIO scenario,
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const enum cmdq_sec_meta_type meta_type);
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void cmdq_sec_pkt_free_data(struct cmdq_pkt *pkt);
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s32 cmdq_sec_pkt_set_payload(struct cmdq_pkt *pkt, u8 idx,
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const u32 meta_size, u32 *meta);
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s32 cmdq_sec_pkt_write_reg(struct cmdq_pkt *pkt, u32 addr, u64 base,
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const enum CMDQ_IWC_ADDR_METADATA_TYPE type,
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const u32 offset, const u32 size, const u32 port, uint32_t sec_id);
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s32 cmdq_sec_pkt_assign_metadata(struct cmdq_pkt *pkt,
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u32 count, void *meta_array);
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void cmdq_sec_dump_secure_data(struct cmdq_pkt *pkt);
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int cmdq_sec_pkt_wait_complete(struct cmdq_pkt *pkt);
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void cmdq_sec_err_dump(struct cmdq_pkt *pkt, struct cmdq_client *client,
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u64 **inst, const char **dispatch);
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/* MTEE */
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void cmdq_sec_pkt_set_mtee(struct cmdq_pkt *pkt, const bool enable, const int32_t sec_id);
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/* implementation in cmdq-sec-mailbox.c */
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void cmdq_sec_mbox_switch_normal(struct cmdq_client *cl, const bool mtee);
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void cmdq_sec_mbox_stop(struct cmdq_client *cl);
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#endif
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