Files
opensbi/include/sbi/sbi_ipi.h
Anup Patel 3d2aaac69a lib: Introduce sbi_ipi_send_smode() API
Instead of directly calling sbi_ipi_send_many(), we introduce
sbi_ipi_send_smode() for injecting S-mode software interrupts.

This way in future we can assign any IPI event number for S-mode
IPIs within sbi_ipi.c only.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
2020-01-22 12:10:35 +05:30

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C

/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2019 Western Digital Corporation or its affiliates.
*
* Authors:
* Anup Patel <anup.patel@wdc.com>
*/
#ifndef __SBI_IPI_H__
#define __SBI_IPI_H__
#include <sbi/sbi_types.h>
/* clang-format off */
#define SBI_IPI_EVENT_SOFT 0x1
#define SBI_IPI_EVENT_FENCE 0x2
#define SBI_IPI_EVENT_HALT 0x10
/* clang-format on */
struct sbi_scratch;
int sbi_ipi_send_many(struct sbi_scratch *scratch, ulong hmask,
ulong hbase, u32 event, void *data);
int sbi_ipi_send_smode(struct sbi_scratch *scratch, ulong hmask, ulong hbase);
void sbi_ipi_clear_smode(struct sbi_scratch *scratch);
void sbi_ipi_process(struct sbi_scratch *scratch);
int sbi_ipi_init(struct sbi_scratch *scratch, bool cold_boot);
void sbi_ipi_exit(struct sbi_scratch *scratch);
#endif