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