diff options
| author | Anup Patel <anup.patel@wdc.com> | 2020-01-15 11:42:51 +0530 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2020-01-22 12:10:40 +0530 |
| commit | a8b4b83b7fef84b0491f5a897651a30f98d75a9a (patch) | |
| tree | 66ce28ccd2f74daeb90e5fb9f3c8396e3be913b7 /lib/sbi/sbi_ecall.c | |
| parent | da9b76b957dae1cf59272cc0f351ae425351c3c8 (diff) | |
lib: Introduce sbi_tlb_fifo_request() API
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>
Diffstat (limited to 'lib/sbi/sbi_ecall.c')
| -rw-r--r-- | lib/sbi/sbi_ecall.c | 53 |
1 files changed, 20 insertions, 33 deletions
diff --git a/lib/sbi/sbi_ecall.c b/lib/sbi/sbi_ecall.c index 6bf33ad..29df26b 100644 --- a/lib/sbi/sbi_ecall.c +++ b/lib/sbi/sbi_ecall.c @@ -180,17 +180,16 @@ int sbi_ecall_rfence_handler(struct sbi_scratch *scratch, unsigned long funcid, tlb_info.size = 0; tlb_info.type = SBI_ITLB_FLUSH; tlb_info.shart_mask = 1UL << source_hart; - ret = sbi_ipi_send_many(scratch, args[0], args[1], - SBI_IPI_EVENT_FENCE, &tlb_info); + ret = sbi_tlb_fifo_request(scratch, args[0], args[1], + &tlb_info); break; case SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA: tlb_info.start = (unsigned long)args[2]; tlb_info.size = (unsigned long)args[3]; tlb_info.type = SBI_TLB_FLUSH_GVMA; tlb_info.shart_mask = 1UL << source_hart; - - ret = sbi_ipi_send_many(scratch, args[0], args[1], - SBI_IPI_EVENT_FENCE, &tlb_info); + ret = sbi_tlb_fifo_request(scratch, args[0], args[1], + &tlb_info); break; case SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA_VMID: tlb_info.start = (unsigned long)args[2]; @@ -198,19 +197,16 @@ int sbi_ecall_rfence_handler(struct sbi_scratch *scratch, unsigned long funcid, tlb_info.asid = (unsigned long)args[4]; tlb_info.type = SBI_TLB_FLUSH_GVMA_VMID; tlb_info.shart_mask = 1UL << source_hart; - - ret = sbi_ipi_send_many(scratch, args[0], args[1], - SBI_IPI_EVENT_FENCE, - &tlb_info); + ret = sbi_tlb_fifo_request(scratch, args[0], args[1], + &tlb_info); break; case SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA: tlb_info.start = (unsigned long)args[2]; tlb_info.size = (unsigned long)args[3]; tlb_info.type = SBI_TLB_FLUSH_VVMA; tlb_info.shart_mask = 1UL << source_hart; - - ret = sbi_ipi_send_many(scratch, args[0], args[1], - SBI_IPI_EVENT_FENCE, &tlb_info); + ret = sbi_tlb_fifo_request(scratch, args[0], args[1], + &tlb_info); break; case SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA_ASID: tlb_info.start = (unsigned long)args[2]; @@ -218,19 +214,16 @@ int sbi_ecall_rfence_handler(struct sbi_scratch *scratch, unsigned long funcid, tlb_info.asid = (unsigned long)args[4]; tlb_info.type = SBI_TLB_FLUSH_VVMA_ASID; tlb_info.shart_mask = 1UL << source_hart; - - ret = sbi_ipi_send_many(scratch, args[0], args[1], - SBI_IPI_EVENT_FENCE, - &tlb_info); + ret = sbi_tlb_fifo_request(scratch, args[0], args[1], + &tlb_info); break; case SBI_EXT_RFENCE_REMOTE_SFENCE_VMA: tlb_info.start = (unsigned long)args[2]; tlb_info.size = (unsigned long)args[3]; tlb_info.type = SBI_TLB_FLUSH_VMA; tlb_info.shart_mask = 1UL << source_hart; - - ret = sbi_ipi_send_many(scratch, args[0], args[1], - SBI_IPI_EVENT_FENCE, &tlb_info); + ret = sbi_tlb_fifo_request(scratch, args[0], args[1], + &tlb_info); break; case SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID: tlb_info.start = (unsigned long)args[2]; @@ -238,10 +231,8 @@ int sbi_ecall_rfence_handler(struct sbi_scratch *scratch, unsigned long funcid, tlb_info.asid = (unsigned long)args[4]; tlb_info.type = SBI_TLB_FLUSH_VMA_ASID; tlb_info.shart_mask = 1UL << source_hart; - - ret = sbi_ipi_send_many(scratch, args[0], args[1], - SBI_IPI_EVENT_FENCE, - &tlb_info); + ret = sbi_tlb_fifo_request(scratch, args[0], args[1], + &tlb_info); break; default: @@ -291,9 +282,8 @@ int sbi_ecall_0_1_handler(struct sbi_scratch *scratch, unsigned long extid, ret = sbi_load_hart_mask_unpriv(scratch, (ulong *)args[0], &hmask, out_trap); if (ret != SBI_ETRAP) - ret = sbi_ipi_send_many(scratch, hmask, 0, - SBI_IPI_EVENT_FENCE, - &tlb_info); + ret = sbi_tlb_fifo_request(scratch, hmask, 0, + &tlb_info); break; case SBI_EXT_0_1_REMOTE_SFENCE_VMA: tlb_info.start = (unsigned long)args[1]; @@ -303,9 +293,8 @@ int sbi_ecall_0_1_handler(struct sbi_scratch *scratch, unsigned long extid, ret = sbi_load_hart_mask_unpriv(scratch, (ulong *)args[0], &hmask, out_trap); if (ret != SBI_ETRAP) - ret = sbi_ipi_send_many(scratch, hmask, 0, - SBI_IPI_EVENT_FENCE, - &tlb_info); + ret = sbi_tlb_fifo_request(scratch, hmask, 0, + &tlb_info); break; case SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID: tlb_info.start = (unsigned long)args[1]; @@ -313,13 +302,11 @@ int sbi_ecall_0_1_handler(struct sbi_scratch *scratch, unsigned long extid, tlb_info.asid = (unsigned long)args[3]; tlb_info.type = SBI_TLB_FLUSH_VMA_ASID; tlb_info.shart_mask = 1UL << source_hart; - ret = sbi_load_hart_mask_unpriv(scratch, (ulong *)args[0], &hmask, out_trap); if (ret != SBI_ETRAP) - ret = sbi_ipi_send_many(scratch, hmask, 0, - SBI_IPI_EVENT_FENCE, - &tlb_info); + ret = sbi_tlb_fifo_request(scratch, hmask, 0, + &tlb_info); break; case SBI_EXT_0_1_SHUTDOWN: sbi_system_shutdown(scratch, 0); |