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 | |