blob: 50ef41dcf049ecd108a19e6c24432f6cac778d88 [file] [log] [blame]
/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2020 Western Digital Corporation or its affiliates.
*
* Authors:
* Anup Patel <anup.patel@wdc.com>
* Atish Patra <atish.patra@wdc.com>
*/
#include <sbi/sbi_error.h>
#include <sbi/sbi_ecall.h>
#include <sbi/sbi_ecall_interface.h>
#include <sbi/sbi_trap.h>
#include <sbi/sbi_ipi.h>
static int sbi_ecall_ipi_handler(unsigned long extid, unsigned long funcid,
struct sbi_trap_regs *regs,
struct sbi_ecall_return *out)
{
int ret = 0;
if (funcid == SBI_EXT_IPI_SEND_IPI)
ret = sbi_ipi_send_smode(regs->a0, regs->a1);
else
ret = SBI_ENOTSUPP;
return ret;
}
struct sbi_ecall_extension ecall_ipi;
static int sbi_ecall_ipi_register_extensions(void)
{
return sbi_ecall_register_extension(&ecall_ipi);
}
struct sbi_ecall_extension ecall_ipi = {
.extid_start = SBI_EXT_IPI,
.extid_end = SBI_EXT_IPI,
.register_extensions = sbi_ecall_ipi_register_extensions,
.handle = sbi_ecall_ipi_handler,
};