diff options
| author | Omer Shpigelman <oshpigelman@habana.ai> | 2019-11-14 18:23:54 +0000 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2019-11-21 11:35:46 +0200 |
| commit | 30919edef243e9dc91a3c65e5b1059d481e597e9 (patch) | |
| tree | cd728ac08b1d29916f89280e9861f778bec22290 /drivers/misc/habanalabs/include | |
| parent | 7b6e4ea0f7b16ab292df5e67f5d847929f8e4d3e (diff) | |
| download | linux-30919edef243e9dc91a3c65e5b1059d481e597e9.tar.bz2 | |
habanalabs: re-factor MMU masks and documentation
Some cosmetics around the MMU code to make it more self-explanatory.
Signed-off-by: Omer Shpigelman <oshpigelman@habana.ai>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/misc/habanalabs/include')
| -rw-r--r-- | drivers/misc/habanalabs/include/hw_ip/mmu/mmu_general.h | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/misc/habanalabs/include/hw_ip/mmu/mmu_general.h b/drivers/misc/habanalabs/include/hw_ip/mmu/mmu_general.h index 71ea3c3e8ba3..74a5502b8c4e 100644 --- a/drivers/misc/habanalabs/include/hw_ip/mmu/mmu_general.h +++ b/drivers/misc/habanalabs/include/hw_ip/mmu/mmu_general.h @@ -17,13 +17,12 @@ #define PAGE_PRESENT_MASK 0x0000000000001ull #define SWAP_OUT_MASK 0x0000000000004ull #define LAST_MASK 0x0000000000800ull -#define PHYS_ADDR_MASK 0xFFFFFFFFFFFFF000ull #define HOP0_MASK 0x3000000000000ull #define HOP1_MASK 0x0FF8000000000ull #define HOP2_MASK 0x0007FC0000000ull #define HOP3_MASK 0x000003FE00000ull #define HOP4_MASK 0x00000001FF000ull -#define OFFSET_MASK 0x0000000000FFFull +#define FLAGS_MASK 0x0000000000FFFull #define HOP0_SHIFT 48 #define HOP1_SHIFT 39 @@ -31,8 +30,7 @@ #define HOP3_SHIFT 21 #define HOP4_SHIFT 12 -#define PTE_PHYS_ADDR_SHIFT 12 -#define PTE_PHYS_ADDR_MASK ~OFFSET_MASK +#define HOP_PHYS_ADDR_MASK (~FLAGS_MASK) #define HL_PTE_SIZE sizeof(u64) #define HOP_TABLE_SIZE PAGE_SIZE_4KB |