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/*
* Copyright (c) 2019-2020 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 __TEGRA_HV_VM_ERR_H_
#define __TEGRA_HV_VM_ERR_H_
#if IS_ENABLED(CONFIG_TEGRA_VM_ERR_HANDLER)
#include <linux/errinfo.h>
struct tegra_hv_vm_err_handlers {
/* return true, if error needs kernel to enter bad mode and reboot.
* return false, if error doesn't need reboot.
*/
bool (*fn_self_async)(const struct err_data_t *const err_data);
bool (*fn_self_sync)(const struct err_data_t *const err_data);
bool (*fn_peer)(const struct err_data_t *const err_data);
};
struct tegra_hv_config {
unsigned int guest_id_self;
unsigned int num_guests;
};
static const char * const tegra_hv_err_reason_desc[] = {
"Undefined",
"SMMU Context Bank",
"SMMU Global",
"Bridge",
"Memory Controller",
"Memory Controller T19X",
"Central Back Bone",
"Synchronous exception",
};
int tegra_hv_register_vm_err_hooks(struct tegra_hv_vm_err_handlers *handlers);
void tegra_hv_get_config(struct tegra_hv_config *config);
#else
static inline int tegra_hv_register_vm_err_hooks(
struct tegra_hv_vm_err_handlers *custom_handlers)
{
pr_err("Can you please enable CONFIG_TEGRA_VM_ERR_HANDLER?");
return -EINVAL;
}
#endif
#endif /* __TEGRA_HV_VM_ERR_H_ */
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