1 /* SPDX-License-Identifier: GPL-2.0 2 * 3 * Copyright 2016-2020 HabanaLabs, Ltd. 4 * All Rights Reserved. 5 * 6 */ 7 8 #ifndef INCLUDE_MMU_GENERAL_H_ 9 #define INCLUDE_MMU_GENERAL_H_ 10 11 #define PAGE_SHIFT_4KB 12 12 #define PAGE_SHIFT_64KB 16 13 #define PAGE_SHIFT_2MB 21 14 #define PAGE_SHIFT_16MB 24 15 #define PAGE_SHIFT_64MB 26 16 #define PAGE_SHIFT_1GB 30 17 #define PAGE_SIZE_4KB _BITUL(PAGE_SHIFT_4KB) 18 #define PAGE_SIZE_64KB _BITUL(PAGE_SHIFT_64KB) 19 #define PAGE_SIZE_2MB _BITUL(PAGE_SHIFT_2MB) 20 #define PAGE_SIZE_16MB _BITUL(PAGE_SHIFT_16MB) 21 #define PAGE_SIZE_64MB _BITUL(PAGE_SHIFT_64MB) 22 #define PAGE_SIZE_1GB _BITUL(PAGE_SHIFT_1GB) 23 24 #define PAGE_PRESENT_MASK 0x0000000000001ull 25 #define SWAP_OUT_MASK 0x0000000000004ull 26 #define LAST_MASK 0x0000000000800ull 27 #define FLAGS_MASK 0x0000000000FFFull 28 29 #define MMU_ARCH_3_HOPS 3 30 #define MMU_ARCH_4_HOPS 4 31 #define MMU_ARCH_5_HOPS 5 32 #define MMU_ARCH_6_HOPS 6 33 34 #define HOP_PHYS_ADDR_MASK (~FLAGS_MASK) 35 36 #define HL_PTE_SIZE sizeof(u64) 37 38 /* definitions for HOP with 512 PTE entries */ 39 #define HOP_PTE_ENTRIES_512 512 40 #define HOP_TABLE_SIZE_512_PTE (HOP_PTE_ENTRIES_512 * HL_PTE_SIZE) 41 #define HOP0_512_PTE_TABLES_TOTAL_SIZE (HOP_TABLE_SIZE_512_PTE * MAX_ASID) 42 43 #define MMU_HOP0_PA43_12_SHIFT 12 44 #define MMU_HOP0_PA49_44_SHIFT (12 + 32) 45 #define MMU_HOP0_PA63_44_SHIFT (12 + 32) 46 47 #define MMU_CONFIG_TIMEOUT_USEC 2000 /* 2 ms */ 48 49 enum mmu_hop_num { 50 MMU_HOP0, 51 MMU_HOP1, 52 MMU_HOP2, 53 MMU_HOP3, 54 MMU_HOP4, 55 MMU_HOP5, 56 MMU_HOP_MAX, 57 }; 58 59 #endif /* INCLUDE_MMU_GENERAL_H_ */ 60