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/*
* 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>
#include <sbi/sbi_hartmask.h>
/* clang-format off */
#define SBI_TLB_FLUSH_ALL ((unsigned long)-1)
/* clang-format on */
#define SBI_TLB_FIFO_NUM_ENTRIES 8
struct sbi_scratch;
struct sbi_tlb_info {
unsigned long start;
unsigned long size;
unsigned long asid;
unsigned long vmid;
void (*local_fn)(struct sbi_tlb_info *tinfo);
struct sbi_hartmask smask;
};
void sbi_tlb_local_hfence_vvma(struct sbi_tlb_info *tinfo);
void sbi_tlb_local_hfence_gvma(struct sbi_tlb_info *tinfo);
void sbi_tlb_local_sfence_vma(struct sbi_tlb_info *tinfo);
void sbi_tlb_local_hfence_vvma_asid(struct sbi_tlb_info *tinfo);
void sbi_tlb_local_hfence_gvma_vmid(struct sbi_tlb_info *tinfo);
void sbi_tlb_local_sfence_vma_asid(struct sbi_tlb_info *tinfo);
void sbi_tlb_local_fence_i(struct sbi_tlb_info *tinfo);
#define SBI_TLB_INFO_INIT(__p, __start, __size, __asid, __vmid, __lfn, __src) \
do { \
(__p)->start = (__start); \
(__p)->size = (__size); \
(__p)->asid = (__asid); \
(__p)->vmid = (__vmid); \
(__p)->local_fn = (__lfn); \
SBI_HARTMASK_INIT_EXCEPT(&(__p)->smask, (__src)); \
} while (0)
#define SBI_TLB_INFO_SIZE sizeof(struct sbi_tlb_info)
int sbi_tlb_request(ulong hmask, ulong hbase, struct sbi_tlb_info *tinfo);
int sbi_tlb_init(struct sbi_scratch *scratch, bool cold_boot);
#endif
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