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154 lines
4.0 KiB
154 lines
4.0 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* Copyright (c) 2010-2015,2019 The Linux Foundation. All rights reserved. |
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*/ |
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#ifndef __QCOM_SCM_INT_H |
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#define __QCOM_SCM_INT_H |
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enum qcom_scm_convention { |
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SMC_CONVENTION_UNKNOWN, |
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SMC_CONVENTION_LEGACY, |
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SMC_CONVENTION_ARM_32, |
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SMC_CONVENTION_ARM_64, |
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}; |
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extern enum qcom_scm_convention qcom_scm_convention; |
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#define MAX_QCOM_SCM_ARGS 10 |
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#define MAX_QCOM_SCM_RETS 3 |
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enum qcom_scm_arg_types { |
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QCOM_SCM_VAL, |
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QCOM_SCM_RO, |
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QCOM_SCM_RW, |
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QCOM_SCM_BUFVAL, |
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}; |
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#define QCOM_SCM_ARGS_IMPL(num, a, b, c, d, e, f, g, h, i, j, ...) (\ |
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(((a) & 0x3) << 4) | \ |
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(((b) & 0x3) << 6) | \ |
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(((c) & 0x3) << 8) | \ |
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(((d) & 0x3) << 10) | \ |
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(((e) & 0x3) << 12) | \ |
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(((f) & 0x3) << 14) | \ |
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(((g) & 0x3) << 16) | \ |
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(((h) & 0x3) << 18) | \ |
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(((i) & 0x3) << 20) | \ |
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(((j) & 0x3) << 22) | \ |
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((num) & 0xf)) |
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#define QCOM_SCM_ARGS(...) QCOM_SCM_ARGS_IMPL(__VA_ARGS__, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) |
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/** |
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* struct qcom_scm_desc |
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* @arginfo: Metadata describing the arguments in args[] |
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* @args: The array of arguments for the secure syscall |
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*/ |
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struct qcom_scm_desc { |
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u32 svc; |
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u32 cmd; |
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u32 arginfo; |
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u64 args[MAX_QCOM_SCM_ARGS]; |
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u32 owner; |
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}; |
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/** |
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* struct qcom_scm_res |
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* @result: The values returned by the secure syscall |
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*/ |
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struct qcom_scm_res { |
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u64 result[MAX_QCOM_SCM_RETS]; |
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}; |
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#define SCM_SMC_FNID(s, c) ((((s) & 0xFF) << 8) | ((c) & 0xFF)) |
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extern int __scm_smc_call(struct device *dev, const struct qcom_scm_desc *desc, |
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enum qcom_scm_convention qcom_convention, |
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struct qcom_scm_res *res, bool atomic); |
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#define scm_smc_call(dev, desc, res, atomic) \ |
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__scm_smc_call((dev), (desc), qcom_scm_convention, (res), (atomic)) |
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#define SCM_LEGACY_FNID(s, c) (((s) << 10) | ((c) & 0x3ff)) |
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extern int scm_legacy_call_atomic(struct device *dev, |
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const struct qcom_scm_desc *desc, |
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struct qcom_scm_res *res); |
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extern int scm_legacy_call(struct device *dev, const struct qcom_scm_desc *desc, |
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struct qcom_scm_res *res); |
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#define QCOM_SCM_SVC_BOOT 0x01 |
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#define QCOM_SCM_BOOT_SET_ADDR 0x01 |
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#define QCOM_SCM_BOOT_TERMINATE_PC 0x02 |
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#define QCOM_SCM_BOOT_SET_DLOAD_MODE 0x10 |
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#define QCOM_SCM_BOOT_SET_REMOTE_STATE 0x0a |
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#define QCOM_SCM_FLUSH_FLAG_MASK 0x3 |
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#define QCOM_SCM_SVC_PIL 0x02 |
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#define QCOM_SCM_PIL_PAS_INIT_IMAGE 0x01 |
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#define QCOM_SCM_PIL_PAS_MEM_SETUP 0x02 |
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#define QCOM_SCM_PIL_PAS_AUTH_AND_RESET 0x05 |
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#define QCOM_SCM_PIL_PAS_SHUTDOWN 0x06 |
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#define QCOM_SCM_PIL_PAS_IS_SUPPORTED 0x07 |
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#define QCOM_SCM_PIL_PAS_MSS_RESET 0x0a |
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#define QCOM_SCM_SVC_IO 0x05 |
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#define QCOM_SCM_IO_READ 0x01 |
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#define QCOM_SCM_IO_WRITE 0x02 |
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#define QCOM_SCM_SVC_INFO 0x06 |
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#define QCOM_SCM_INFO_IS_CALL_AVAIL 0x01 |
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#define QCOM_SCM_SVC_MP 0x0c |
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#define QCOM_SCM_MP_RESTORE_SEC_CFG 0x02 |
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#define QCOM_SCM_MP_IOMMU_SECURE_PTBL_SIZE 0x03 |
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#define QCOM_SCM_MP_IOMMU_SECURE_PTBL_INIT 0x04 |
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#define QCOM_SCM_MP_VIDEO_VAR 0x08 |
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#define QCOM_SCM_MP_ASSIGN 0x16 |
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#define QCOM_SCM_SVC_OCMEM 0x0f |
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#define QCOM_SCM_OCMEM_LOCK_CMD 0x01 |
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#define QCOM_SCM_OCMEM_UNLOCK_CMD 0x02 |
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#define QCOM_SCM_SVC_ES 0x10 /* Enterprise Security */ |
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#define QCOM_SCM_ES_INVALIDATE_ICE_KEY 0x03 |
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#define QCOM_SCM_ES_CONFIG_SET_ICE_KEY 0x04 |
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#define QCOM_SCM_SVC_HDCP 0x11 |
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#define QCOM_SCM_HDCP_INVOKE 0x01 |
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#define QCOM_SCM_SVC_LMH 0x13 |
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#define QCOM_SCM_LMH_LIMIT_PROFILE_CHANGE 0x01 |
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#define QCOM_SCM_LMH_LIMIT_DCVSH 0x10 |
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#define QCOM_SCM_SVC_SMMU_PROGRAM 0x15 |
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#define QCOM_SCM_SMMU_CONFIG_ERRATA1 0x03 |
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#define QCOM_SCM_SMMU_CONFIG_ERRATA1_CLIENT_ALL 0x02 |
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extern void __qcom_scm_init(void); |
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/* common error codes */ |
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#define QCOM_SCM_V2_EBUSY -12 |
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#define QCOM_SCM_ENOMEM -5 |
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#define QCOM_SCM_EOPNOTSUPP -4 |
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#define QCOM_SCM_EINVAL_ADDR -3 |
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#define QCOM_SCM_EINVAL_ARG -2 |
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#define QCOM_SCM_ERROR -1 |
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#define QCOM_SCM_INTERRUPTED 1 |
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static inline int qcom_scm_remap_error(int err) |
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{ |
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switch (err) { |
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case QCOM_SCM_ERROR: |
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return -EIO; |
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case QCOM_SCM_EINVAL_ADDR: |
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case QCOM_SCM_EINVAL_ARG: |
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return -EINVAL; |
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case QCOM_SCM_EOPNOTSUPP: |
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return -EOPNOTSUPP; |
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case QCOM_SCM_ENOMEM: |
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return -ENOMEM; |
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case QCOM_SCM_V2_EBUSY: |
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return -EBUSY; |
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} |
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return -EINVAL; |
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} |
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#endif
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