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lib: Introduce sbi_ipi_send_halt() API

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Instead of directly calling sbi_ipi_send_many(), we introduce
sbi_ipi_send_halt() for halting a set of HARTs.

This way in future we can assign any IPI event number for HART
halting within sbi_ipi.c only.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Anup Patel
2020-01-15 11:16:54 +05:30
committed by Anup Patel
parent 3d2aaac69a
commit da9b76b957
3 changed files with 12 additions and 6 deletions
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6
lib/sbi/sbi_ipi.c
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@@ -112,6 +112,12 @@ void sbi_ipi_clear_smode(struct sbi_scratch *scratch)
csr_clear(CSR_MIP, MIP_SSIP);
}
int sbi_ipi_send_halt(struct sbi_scratch *scratch, ulong hmask, ulong hbase)
{
return sbi_ipi_send_many(scratch, hmask, hbase,
SBI_IPI_EVENT_HALT, NULL);
}
void sbi_ipi_process(struct sbi_scratch *scratch)
{
unsigned long ipi_type;