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