111 lines
3.0 KiB
C
111 lines
3.0 KiB
C
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/*
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* Copyright (C) 2013 Google, Inc.
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* Copyright (c) 2016-2017, NVIDIA CORPORATION. All rights reserved.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __LINUX_TRUSTY_TRUSTY_H
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#define __LINUX_TRUSTY_TRUSTY_H
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#include <linux/kernel.h>
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#include <linux/trusty/sm_err.h>
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#include <linux/device.h>
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#include <linux/pagemap.h>
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#include <linux/version.h>
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)
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#include <soc/tegra/chip-id.h>
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#else
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#include <linux/tegra-soc.h>
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#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0) */
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enum {
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TRUSTY_DEV_UNINIT = -1,
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TRUSTY_DEV_DISABLED = 0,
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TRUSTY_DEV_ENABLED
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};
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#if IS_ENABLED(CONFIG_TRUSTY)
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s32 trusty_std_call32(struct device *dev, u32 smcnr, u32 a0, u32 a1, u32 a2);
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s32 trusty_fast_call32(struct device *dev, u32 smcnr, u32 a0, u32 a1, u32 a2);
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#ifdef CONFIG_64BIT
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s64 trusty_fast_call64(struct device *dev, u64 smcnr, u64 a0, u64 a1, u64 a2);
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#endif
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int hyp_ipa_translate(uint64_t *ipa);
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#else
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static inline s32 trusty_std_call32(struct device *dev, u32 smcnr,
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u32 a0, u32 a1, u32 a2)
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{
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return SM_ERR_UNDEFINED_SMC;
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}
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static inline s32 trusty_fast_call32(struct device *dev, u32 smcnr,
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u32 a0, u32 a1, u32 a2)
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{
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return SM_ERR_UNDEFINED_SMC;
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}
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#ifdef CONFIG_64BIT
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static inline s64 trusty_fast_call64(struct device *dev,
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u64 smcnr, u64 a0, u64 a1, u64 a2)
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{
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return SM_ERR_UNDEFINED_SMC;
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}
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#endif
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#endif
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struct notifier_block;
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enum {
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TRUSTY_CALL_PREPARE,
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TRUSTY_CALL_RETURNED,
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#ifdef CONFIG_TEGRA_VIRTUALIZATION
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TRUSTY_CALL_VQ_POLLING,
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#endif
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};
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int trusty_call_notifier_register(struct device *dev,
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struct notifier_block *n);
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int trusty_call_notifier_unregister(struct device *dev,
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struct notifier_block *n);
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int trusty_panic_notifier_register(struct device *dev,
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struct notifier_block *n);
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int trusty_panic_notifier_unregister(struct device *dev,
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struct notifier_block *n);
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const char *trusty_version_str_get(struct device *dev);
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u32 trusty_get_api_version(struct device *dev);
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struct ns_mem_page_info {
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uint64_t attr;
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};
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int trusty_encode_page_info(struct ns_mem_page_info *inf,
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struct page *page, pgprot_t pgprot);
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int trusty_call32_mem_buf(struct device *dev, u32 smcnr,
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struct page *page, u32 size,
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pgprot_t pgprot);
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struct trusty_nop {
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struct list_head node;
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u32 args[3];
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};
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static inline void trusty_nop_init(struct trusty_nop *nop,
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u32 arg0, u32 arg1, u32 arg2) {
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INIT_LIST_HEAD(&nop->node);
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nop->args[0] = arg0;
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nop->args[1] = arg1;
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nop->args[2] = arg2;
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}
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void trusty_enqueue_nop(struct device *dev, struct trusty_nop *nop);
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void trusty_dequeue_nop(struct device *dev, struct trusty_nop *nop);
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int is_trusty_dev_enabled(void);
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#endif
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