42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
/*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright (c) 2019 Western Digital Corporation or its affiliates.
|
|
*
|
|
* Authors:
|
|
* Anup Patel <anup.patel@wdc.com>
|
|
*/
|
|
|
|
#ifndef __IRQCHIP_PLIC_H__
|
|
#define __IRQCHIP_PLIC_H__
|
|
|
|
#include <sbi/sbi_types.h>
|
|
|
|
struct plic_data {
|
|
unsigned long addr;
|
|
unsigned long size;
|
|
unsigned long num_src;
|
|
};
|
|
|
|
/* So far, priorities on all consumers of these functions fit in 8 bits. */
|
|
void plic_priority_save(const struct plic_data *plic, u8 *priority, u32 num);
|
|
|
|
void plic_priority_restore(const struct plic_data *plic, const u8 *priority,
|
|
u32 num);
|
|
|
|
void plic_context_save(const struct plic_data *plic, int context_id,
|
|
u32 *enable, u32 *threshold, u32 num);
|
|
|
|
void plic_context_restore(const struct plic_data *plic, int context_id,
|
|
const u32 *enable, u32 threshold, u32 num);
|
|
|
|
int plic_context_init(const struct plic_data *plic, int context_id,
|
|
bool enable, u32 threshold);
|
|
|
|
int plic_warm_irqchip_init(const struct plic_data *plic,
|
|
int m_cntx_id, int s_cntx_id);
|
|
|
|
int plic_cold_irqchip_init(const struct plic_data *plic);
|
|
|
|
#endif
|