diff options
| author | Anup Patel <anup.patel@wdc.com> | 2019-05-24 05:28:05 +0300 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2019-05-24 05:52:47 +0300 |
| commit | 95b7480ab4b438cf545afae200b40012e83f1dda (patch) | |
| tree | 44e30d69d4222833e36d3092005ac0a09b45f391 /include | |
| parent | 2dfed32c463eef80a0eea7108117ce18dc80c527 (diff) | |
| download | opensbi-95b7480ab4b438cf545afae200b40012e83f1dda.tar.xz | |
lib: Factor-out TLB management from IPI management
This patch factor-out TLB management from IPI management to separate
sources sbi_tlb.c and sbi_tlb.h.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/sbi/riscv_asm.h | 3 | ||||
| -rw-r--r-- | include/sbi/sbi_ipi.h | 16 | ||||
| -rw-r--r-- | include/sbi/sbi_tlb.h | 48 |
3 files changed, 48 insertions, 19 deletions
diff --git a/include/sbi/riscv_asm.h b/include/sbi/riscv_asm.h index 704c53c..4f12c03 100644 --- a/include/sbi/riscv_asm.h +++ b/include/sbi/riscv_asm.h @@ -32,9 +32,6 @@ #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) #define PAGE_MASK (~(PAGE_SIZE - 1)) -#define SBI_TLB_FLUSH_ALL ((unsigned long)-1) -#define SBI_TLB_FLUSH_MAX_SIZE (1UL << 30) - #define REG_L __REG_SEL(ld, lw) #define REG_S __REG_SEL(sd, sw) #define SZREG __REG_SEL(8, 4) diff --git a/include/sbi/sbi_ipi.h b/include/sbi/sbi_ipi.h index 108e5aa..b8afb5b 100644 --- a/include/sbi/sbi_ipi.h +++ b/include/sbi/sbi_ipi.h @@ -22,28 +22,12 @@ /* clang-format on */ -#define SBI_TLB_FIFO_NUM_ENTRIES 4 -enum sbi_tlb_info_types { - SBI_TLB_FLUSH_VMA, - SBI_TLB_FLUSH_VMA_ASID, - SBI_TLB_FLUSH_VMA_VMID -}; - struct sbi_scratch; struct sbi_ipi_data { unsigned long ipi_type; }; -struct sbi_tlb_info { - unsigned long start; - unsigned long size; - unsigned long asid; - unsigned long type; -}; - -#define SBI_TLB_INFO_SIZE sizeof(struct sbi_tlb_info) - int sbi_ipi_send_many(struct sbi_scratch *scratch, ulong *pmask, u32 event, void *data); diff --git a/include/sbi/sbi_tlb.h b/include/sbi/sbi_tlb.h new file mode 100644 index 0000000..f3d93d4 --- /dev/null +++ b/include/sbi/sbi_tlb.h @@ -0,0 +1,48 @@ +/* + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2019 Western Digital Corporation or its affiliates. + * + * Authors: + * Atish Patra <atish.patra@wdc.com> + * Anup Patel <anup.patel@wdc.com> + */ + +#ifndef __SBI_TLB_H__ +#define __SBI_TLB_H__ + +#include <sbi/sbi_types.h> + +/* clang-format off */ + +#define SBI_TLB_FLUSH_ALL ((unsigned long)-1) +#define SBI_TLB_FLUSH_MAX_SIZE (1UL << 30) + +/* clang-format on */ + +#define SBI_TLB_FIFO_NUM_ENTRIES 4 + +enum sbi_tlb_info_types { + SBI_TLB_FLUSH_VMA, + SBI_TLB_FLUSH_VMA_ASID, + SBI_TLB_FLUSH_VMA_VMID +}; + +struct sbi_scratch; + +struct sbi_tlb_info { + unsigned long start; + unsigned long size; + unsigned long asid; + unsigned long type; +}; + +#define SBI_TLB_INFO_SIZE sizeof(struct sbi_tlb_info) + +int sbi_tlb_fifo_update(struct sbi_scratch *scratch, u32 event, void *data); + +void sbi_tlb_fifo_process(struct sbi_scratch *scratch, u32 event); + +int sbi_tlb_fifo_init(struct sbi_scratch *scratch, bool cold_boot); + +#endif |