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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>
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Anup Patel authored and Anup Patel committed 2020-01-22 12:10:37 +05:30
1 parent 3d2aaac69a
commit da9b76b957
3 files changed
+12 -6
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include/sbi/sbi_ipi.h
+2
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@@ -29,6 +29,8 @@ int sbi_ipi_send_smode(struct sbi_scratch *scratch, ulong hmask, ulong hbase);
void sbi_ipi_clear_smode(struct sbi_scratch *scratch);
int sbi_ipi_send_halt(struct sbi_scratch *scratch, ulong hmask, ulong hbase);
void sbi_ipi_process(struct sbi_scratch *scratch);
int sbi_ipi_init(struct sbi_scratch *scratch, bool cold_boot);