95 lines
2.6 KiB
C
95 lines
2.6 KiB
C
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/*
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* Copyright (C) 2013 Google, Inc.
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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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#ifdef CONFIG_TRUSTY
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#ifdef CONFIG_TRUSTY_INTERRUPT_MAP
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extern void handle_trusty_ipi(int ipinr);
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#endif
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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_TRUSTY_WDT_FIQ_ARMV7_SUPPORT
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s32 trusty_fast_call32_nodev(u32 smcnr, u32 a0, u32 a1, u32 a2);
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#endif
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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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#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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};
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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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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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#endif
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