1 /* SPDX-License-Identifier: GPL-2.0 2 * 3 * Copyright 2016-2018 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_2MB 21 13 #define PAGE_SIZE_2MB (_AC(1, UL) << PAGE_SHIFT_2MB) 14 #define PAGE_SIZE_4KB (_AC(1, UL) << PAGE_SHIFT_4KB) 15 #define PAGE_MASK_2MB (~(PAGE_SIZE_2MB - 1)) 16 17 #define PAGE_PRESENT_MASK 0x0000000000001ull 18 #define SWAP_OUT_MASK 0x0000000000004ull 19 #define LAST_MASK 0x0000000000800ull 20 #define PHYS_ADDR_MASK 0xFFFFFFFFFFFFF000ull 21 #define HOP0_MASK 0x3000000000000ull 22 #define HOP1_MASK 0x0FF8000000000ull 23 #define HOP2_MASK 0x0007FC0000000ull 24 #define HOP3_MASK 0x000003FE00000ull 25 #define HOP4_MASK 0x00000001FF000ull 26 #define OFFSET_MASK 0x0000000000FFFull 27 28 #define HOP0_SHIFT 48 29 #define HOP1_SHIFT 39 30 #define HOP2_SHIFT 30 31 #define HOP3_SHIFT 21 32 #define HOP4_SHIFT 12 33 34 #define PTE_PHYS_ADDR_SHIFT 12 35 #define PTE_PHYS_ADDR_MASK ~OFFSET_MASK 36 37 #define HL_PTE_SIZE sizeof(u64) 38 #define HOP_TABLE_SIZE PAGE_SIZE_4KB 39 #define PTE_ENTRIES_IN_HOP (HOP_TABLE_SIZE / HL_PTE_SIZE) 40 #define HOP0_TABLES_TOTAL_SIZE (HOP_TABLE_SIZE * MAX_ASID) 41 42 #define MMU_HOP0_PA43_12_SHIFT 12 43 #define MMU_HOP0_PA49_44_SHIFT (12 + 32) 44 45 #define MMU_CONFIG_TIMEOUT_USEC 2000 /* 2 ms */ 46 47 #endif /* INCLUDE_MMU_GENERAL_H_ */ 48