hw_ip/mmu/mmu_general.h

0001 /* SPDX-License-Identifier: GPL-2.0
0002  *
0003  * Copyright 2016-2020 HabanaLabs, Ltd.
0004  * All Rights Reserved.
0005  *
0006  */
0007
0008 #ifndef INCLUDE_MMU_GENERAL_H_
0009 #define INCLUDE_MMU_GENERAL_H_
0010
0011 #define PAGE_SHIFT_4KB          12
0012 #define PAGE_SHIFT_64KB         16
0013 #define PAGE_SHIFT_2MB          21
0014 #define PAGE_SHIFT_16MB         24
0015 #define PAGE_SHIFT_64MB         26
0016 #define PAGE_SHIFT_1GB          30
0017 #define PAGE_SIZE_4KB           _BITUL(PAGE_SHIFT_4KB)
0018 #define PAGE_SIZE_64KB          _BITUL(PAGE_SHIFT_64KB)
0019 #define PAGE_SIZE_2MB           _BITUL(PAGE_SHIFT_2MB)
0020 #define PAGE_SIZE_16MB          _BITUL(PAGE_SHIFT_16MB)
0021 #define PAGE_SIZE_64MB          _BITUL(PAGE_SHIFT_64MB)
0022 #define PAGE_SIZE_1GB           _BITUL(PAGE_SHIFT_1GB)
0023
0024 #define PAGE_PRESENT_MASK       0x0000000000001ull
0025 #define SWAP_OUT_MASK           0x0000000000004ull
0026 #define LAST_MASK           0x0000000000800ull
0027 #define FLAGS_MASK          0x0000000000FFFull
0028
0029 #define MMU_ARCH_5_HOPS         5
0030 #define MMU_ARCH_6_HOPS         6
0031
0032 #define HOP_PHYS_ADDR_MASK      (~FLAGS_MASK)
0033
0034 #define HL_PTE_SIZE         sizeof(u64)
0035
0036 /* definitions for HOP with 512 PTE entries */
0037 #define HOP_PTE_ENTRIES_512     512
0038 #define HOP_TABLE_SIZE_512_PTE      (HOP_PTE_ENTRIES_512 * HL_PTE_SIZE)
0039 #define HOP0_512_PTE_TABLES_TOTAL_SIZE  (HOP_TABLE_SIZE_512_PTE * MAX_ASID)
0040
0041 #define MMU_HOP0_PA43_12_SHIFT      12
0042 #define MMU_HOP0_PA49_44_SHIFT      (12 + 32)
0043 #define MMU_HOP0_PA63_44_SHIFT      (12 + 32)
0044
0045 #define MMU_CONFIG_TIMEOUT_USEC     2000 /* 2 ms */
0046
0047 enum mmu_hop_num {
0048     MMU_HOP0,
0049     MMU_HOP1,
0050     MMU_HOP2,
0051     MMU_HOP3,
0052     MMU_HOP4,
0053     MMU_HOP5,
0054     MMU_HOP_MAX,
0055 };
0056
0057 #endif /* INCLUDE_MMU_GENERAL_H_ */