58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
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/* SPDX-License-Identifier: GPL-2.0
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*
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* Copyright 2016-2020 HabanaLabs, Ltd.
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* All Rights Reserved.
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*
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*/
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#ifndef INCLUDE_MMU_GENERAL_H_
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#define INCLUDE_MMU_GENERAL_H_
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#define PAGE_SHIFT_4KB 12
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#define PAGE_SHIFT_64KB 16
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#define PAGE_SHIFT_2MB 21
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#define PAGE_SHIFT_16MB 24
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#define PAGE_SHIFT_64MB 26
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#define PAGE_SHIFT_1GB 30
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#define PAGE_SIZE_4KB _BITUL(PAGE_SHIFT_4KB)
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#define PAGE_SIZE_64KB _BITUL(PAGE_SHIFT_64KB)
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#define PAGE_SIZE_2MB _BITUL(PAGE_SHIFT_2MB)
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#define PAGE_SIZE_16MB _BITUL(PAGE_SHIFT_16MB)
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#define PAGE_SIZE_64MB _BITUL(PAGE_SHIFT_64MB)
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#define PAGE_SIZE_1GB _BITUL(PAGE_SHIFT_1GB)
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#define PAGE_PRESENT_MASK 0x0000000000001ull
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#define SWAP_OUT_MASK 0x0000000000004ull
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#define LAST_MASK 0x0000000000800ull
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#define FLAGS_MASK 0x0000000000FFFull
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#define MMU_ARCH_5_HOPS 5
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#define MMU_ARCH_6_HOPS 6
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#define HOP_PHYS_ADDR_MASK (~FLAGS_MASK)
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#define HL_PTE_SIZE sizeof(u64)
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/* definitions for HOP with 512 PTE entries */
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#define HOP_PTE_ENTRIES_512 512
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#define HOP_TABLE_SIZE_512_PTE (HOP_PTE_ENTRIES_512 * HL_PTE_SIZE)
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#define HOP0_512_PTE_TABLES_TOTAL_SIZE (HOP_TABLE_SIZE_512_PTE * MAX_ASID)
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#define MMU_HOP0_PA43_12_SHIFT 12
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#define MMU_HOP0_PA49_44_SHIFT (12 + 32)
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#define MMU_HOP0_PA63_44_SHIFT (12 + 32)
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#define MMU_CONFIG_TIMEOUT_USEC 2000 /* 2 ms */
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enum mmu_hop_num {
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MMU_HOP0,
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MMU_HOP1,
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MMU_HOP2,
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MMU_HOP3,
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MMU_HOP4,
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MMU_HOP5,
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MMU_HOP_MAX,
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};
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#endif /* INCLUDE_MMU_GENERAL_H_ */
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