49 lines
973 B
C
49 lines
973 B
C
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/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2019 Western Digital Corporation or its affiliates.
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*
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* Authors:
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* Atish Patra <atish.patra@wdc.com>
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* Anup Patel <anup.patel@wdc.com>
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*/
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#ifndef __SBI_TLB_H__
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#define __SBI_TLB_H__
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#include <sbi/sbi_types.h>
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/* clang-format off */
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#define SBI_TLB_FLUSH_ALL ((unsigned long)-1)
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#define SBI_TLB_FLUSH_MAX_SIZE (1UL << 30)
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/* clang-format on */
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#define SBI_TLB_FIFO_NUM_ENTRIES 4
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enum sbi_tlb_info_types {
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SBI_TLB_FLUSH_VMA,
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SBI_TLB_FLUSH_VMA_ASID,
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SBI_TLB_FLUSH_VMA_VMID
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};
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struct sbi_scratch;
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struct sbi_tlb_info {
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unsigned long start;
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unsigned long size;
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unsigned long asid;
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unsigned long type;
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};
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#define SBI_TLB_INFO_SIZE sizeof(struct sbi_tlb_info)
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int sbi_tlb_fifo_update(struct sbi_scratch *scratch, u32 event, void *data);
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void sbi_tlb_fifo_process(struct sbi_scratch *scratch, u32 event);
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int sbi_tlb_fifo_init(struct sbi_scratch *scratch, bool cold_boot);
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#endif
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