/*
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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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#include <sbi/sbi_hartmask.h>
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/* clang-format off */
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#define SBI_TLB_FLUSH_ALL ((unsigned long)-1)
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/* clang-format on */
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#define SBI_TLB_FIFO_NUM_ENTRIES 8
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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_GVMA,
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SBI_TLB_FLUSH_GVMA_VMID,
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SBI_TLB_FLUSH_VVMA,
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SBI_TLB_FLUSH_VVMA_ASID,
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SBI_ITLB_FLUSH
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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 vmid;
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unsigned long type;
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struct sbi_hartmask smask;
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};
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#define SBI_TLB_INFO_INIT(__p, __start, __size, __asid, __vmid, __type, __src) \
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do { \
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(__p)->start = (__start); \
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(__p)->size = (__size); \
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(__p)->asid = (__asid); \
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(__p)->vmid = (__vmid); \
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(__p)->type = (__type); \
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SBI_HARTMASK_INIT_EXCEPT(&(__p)->smask, (__src)); \
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} while (0)
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#define SBI_TLB_INFO_SIZE sizeof(struct sbi_tlb_info)
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int sbi_tlb_request(ulong hmask, ulong hbase, struct sbi_tlb_info *tinfo);
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int sbi_tlb_init(struct sbi_scratch *scratch, bool cold_boot);
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#endif
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