diff options
Diffstat (limited to 'drivers/accel/habanalabs/include/hw_ip/mmu/mmu_general.h')
| -rw-r--r-- | drivers/accel/habanalabs/include/hw_ip/mmu/mmu_general.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/accel/habanalabs/include/hw_ip/mmu/mmu_general.h b/drivers/accel/habanalabs/include/hw_ip/mmu/mmu_general.h new file mode 100644 index 000000000000..d408feecd483 --- /dev/null +++ b/drivers/accel/habanalabs/include/hw_ip/mmu/mmu_general.h @@ -0,0 +1,57 @@ +/* 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_ */ |