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lib: Introduce sbi_tlb_fifo_request() API

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

This way in future we can assign any IPI event number for remote
FENCE within sbi_tlb.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 11:42:51 +05:30
committed by Anup Patel
parent da9b76b957
commit a8b4b83b7f
4 changed files with 33 additions and 36 deletions
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8
lib/sbi/sbi_tlb.c
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@@ -14,6 +14,7 @@
#include <sbi/sbi_error.h>
#include <sbi/sbi_fifo.h>
#include <sbi/sbi_hart.h>
#include <sbi/sbi_ipi.h>
#include <sbi/sbi_scratch.h>
#include <sbi/sbi_tlb.h>
#include <sbi/sbi_hfence.h>
@@ -366,6 +367,13 @@ int sbi_tlb_fifo_update(struct sbi_scratch *rscratch, u32 hartid, void *data)
return 0;
}
int sbi_tlb_fifo_request(struct sbi_scratch *scratch, ulong hmask,
ulong hbase, struct sbi_tlb_info *tinfo)
{
return sbi_ipi_send_many(scratch, hmask, hbase,
SBI_IPI_EVENT_FENCE, tinfo);
}
int sbi_tlb_fifo_init(struct sbi_scratch *scratch, bool cold_boot)
{
void *tlb_mem;