| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Benjamin Herrenschmidt | 406 | 37.52% | 8 | 28.57% |
| David Gibson | 255 | 23.57% | 1 | 3.57% |
| Kumar Gala | 208 | 19.22% | 3 | 10.71% |
| Aneesh Kumar K.V | 80 | 7.39% | 1 | 3.57% |
| Scott Wood | 66 | 6.10% | 6 | 21.43% |
| Mihai Caraman | 28 | 2.59% | 3 | 10.71% |
| Trent Piepho | 17 | 1.57% | 1 | 3.57% |
| Becky Bruce | 12 | 1.11% | 2 | 7.14% |
| Liu Yu | 5 | 0.46% | 1 | 3.57% |
| Christophe Leroy | 4 | 0.37% | 1 | 3.57% |
| Greg Kroah-Hartman | 1 | 0.09% | 1 | 3.57% |
| Total | 1082 | 28 |
/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_POWERPC_MMU_BOOK3E_H_ #define _ASM_POWERPC_MMU_BOOK3E_H_ /* * Freescale Book-E/Book-3e (ISA 2.06+) MMU support */ /* Book-3e defined page sizes */ #define BOOK3E_PAGESZ_1K 0 #define BOOK3E_PAGESZ_2K 1 #define BOOK3E_PAGESZ_4K 2 #define BOOK3E_PAGESZ_8K 3 #define BOOK3E_PAGESZ_16K 4 #define BOOK3E_PAGESZ_32K 5 #define BOOK3E_PAGESZ_64K 6 #define BOOK3E_PAGESZ_128K 7 #define BOOK3E_PAGESZ_256K 8 #define BOOK3E_PAGESZ_512K 9 #define BOOK3E_PAGESZ_1M 10 #define BOOK3E_PAGESZ_2M 11 #define BOOK3E_PAGESZ_4M 12 #define BOOK3E_PAGESZ_8M 13 #define BOOK3E_PAGESZ_16M 14 #define BOOK3E_PAGESZ_32M 15 #define BOOK3E_PAGESZ_64M 16 #define BOOK3E_PAGESZ_128M 17 #define BOOK3E_PAGESZ_256M 18 #define BOOK3E_PAGESZ_512M 19 #define BOOK3E_PAGESZ_1GB 20 #define BOOK3E_PAGESZ_2GB 21 #define BOOK3E_PAGESZ_4GB 22 #define BOOK3E_PAGESZ_8GB 23 #define BOOK3E_PAGESZ_16GB 24 #define BOOK3E_PAGESZ_32GB 25 #define BOOK3E_PAGESZ_64GB 26 #define BOOK3E_PAGESZ_128GB 27 #define BOOK3E_PAGESZ_256GB 28 #define BOOK3E_PAGESZ_512GB 29 #define BOOK3E_PAGESZ_1TB 30 #define BOOK3E_PAGESZ_2TB 31 /* MAS registers bit definitions */ #define MAS0_TLBSEL_MASK 0x30000000 #define MAS0_TLBSEL_SHIFT 28 #define MAS0_TLBSEL(x) (((x) << MAS0_TLBSEL_SHIFT) & MAS0_TLBSEL_MASK) #define MAS0_GET_TLBSEL(mas0) (((mas0) & MAS0_TLBSEL_MASK) >> \ MAS0_TLBSEL_SHIFT) #define MAS0_ESEL_MASK 0x0FFF0000 #define MAS0_ESEL_SHIFT 16 #define MAS0_ESEL(x) (((x) << MAS0_ESEL_SHIFT) & MAS0_ESEL_MASK) #define MAS0_NV(x) ((x) & 0x00000FFF) #define MAS0_HES 0x00004000 #define MAS0_WQ_ALLWAYS 0x00000000 #define MAS0_WQ_COND 0x00001000 #define MAS0_WQ_CLR_RSRV 0x00002000 #define MAS1_VALID 0x80000000 #define MAS1_IPROT 0x40000000 #define MAS1_TID(x) (((x) << 16) & 0x3FFF0000) #define MAS1_IND 0x00002000 #define MAS1_TS 0x00001000 #define MAS1_TSIZE_MASK 0x00000f80 #define MAS1_TSIZE_SHIFT 7 #define MAS1_TSIZE(x) (((x) << MAS1_TSIZE_SHIFT) & MAS1_TSIZE_MASK) #define MAS1_GET_TSIZE(mas1) (((mas1) & MAS1_TSIZE_MASK) >> MAS1_TSIZE_SHIFT) #define MAS2_EPN (~0xFFFUL) #define MAS2_X0 0x00000040 #define MAS2_X1 0x00000020 #define MAS2_W 0x00000010 #define MAS2_I 0x00000008 #define MAS2_M 0x00000004 #define MAS2_G 0x00000002 #define MAS2_E 0x00000001 #define MAS2_WIMGE_MASK 0x0000001f #define MAS2_EPN_MASK(size) (~0 << (size + 10)) #define MAS2_VAL(addr, size, flags) ((addr) & MAS2_EPN_MASK(size) | (flags)) #define MAS3_RPN 0xFFFFF000 #define MAS3_U0 0x00000200 #define MAS3_U1 0x00000100 #define MAS3_U2 0x00000080 #define MAS3_U3 0x00000040 #define MAS3_UX 0x00000020 #define MAS3_SX 0x00000010 #define MAS3_UW 0x00000008 #define MAS3_SW 0x00000004 #define MAS3_UR 0x00000002 #define MAS3_SR 0x00000001 #define MAS3_BAP_MASK 0x0000003f #define MAS3_SPSIZE 0x0000003e #define MAS3_SPSIZE_SHIFT 1 #define MAS4_TLBSEL_MASK MAS0_TLBSEL_MASK #define MAS4_TLBSELD(x) MAS0_TLBSEL(x) #define MAS4_INDD 0x00008000 /* Default IND */ #define MAS4_TSIZED(x) MAS1_TSIZE(x) #define MAS4_X0D 0x00000040 #define MAS4_X1D 0x00000020 #define MAS4_WD 0x00000010 #define MAS4_ID 0x00000008 #define MAS4_MD 0x00000004 #define MAS4_GD 0x00000002 #define MAS4_ED 0x00000001 #define MAS4_WIMGED_MASK 0x0000001f /* Default WIMGE */ #define MAS4_WIMGED_SHIFT 0 #define MAS4_VLED MAS4_X1D /* Default VLE */ #define MAS4_ACMD 0x000000c0 /* Default ACM */ #define MAS4_ACMD_SHIFT 6 #define MAS4_TSIZED_MASK 0x00000f80 /* Default TSIZE */ #define MAS4_TSIZED_SHIFT 7 #define MAS5_SGS 0x80000000 #define MAS6_SPID0 0x3FFF0000 #define MAS6_SPID1 0x00007FFE #define MAS6_ISIZE(x) MAS1_TSIZE(x) #define MAS6_SAS 0x00000001 #define MAS6_SPID MAS6_SPID0 #define MAS6_SIND 0x00000002 /* Indirect page */ #define MAS6_SIND_SHIFT 1 #define MAS6_SPID_MASK 0x3fff0000 #define MAS6_SPID_SHIFT 16 #define MAS6_ISIZE_MASK 0x00000f80 #define MAS6_ISIZE_SHIFT 7 #define MAS7_RPN 0xFFFFFFFF #define MAS8_TGS 0x80000000 /* Guest space */ #define MAS8_VF 0x40000000 /* Virtualization Fault */ #define MAS8_TLPID 0x000000ff /* Bit definitions for MMUCFG */ #define MMUCFG_MAVN 0x00000003 /* MMU Architecture Version Number */ #define MMUCFG_MAVN_V1 0x00000000 /* v1.0 */ #define MMUCFG_MAVN_V2 0x00000001 /* v2.0 */ #define MMUCFG_NTLBS 0x0000000c /* Number of TLBs */ #define MMUCFG_PIDSIZE 0x000007c0 /* PID Reg Size */ #define MMUCFG_TWC 0x00008000 /* TLB Write Conditional (v2.0) */ #define MMUCFG_LRAT 0x00010000 /* LRAT Supported (v2.0) */ #define MMUCFG_RASIZE 0x00fe0000 /* Real Addr Size */ #define MMUCFG_LPIDSIZE 0x0f000000 /* LPID Reg Size */ /* Bit definitions for MMUCSR0 */ #define MMUCSR0_TLB1FI 0x00000002 /* TLB1 Flash invalidate */ #define MMUCSR0_TLB0FI 0x00000004 /* TLB0 Flash invalidate */ #define MMUCSR0_TLB2FI 0x00000040 /* TLB2 Flash invalidate */ #define MMUCSR0_TLB3FI 0x00000020 /* TLB3 Flash invalidate */ #define MMUCSR0_TLBFI (MMUCSR0_TLB0FI | MMUCSR0_TLB1FI | \ MMUCSR0_TLB2FI | MMUCSR0_TLB3FI) #define MMUCSR0_TLB0PS 0x00000780 /* TLB0 Page Size */ #define MMUCSR0_TLB1PS 0x00007800 /* TLB1 Page Size */ #define MMUCSR0_TLB2PS 0x00078000 /* TLB2 Page Size */ #define MMUCSR0_TLB3PS 0x00780000 /* TLB3 Page Size */ /* MMUCFG bits */ #define MMUCFG_MAVN_NASK 0x00000003 #define MMUCFG_MAVN_V1_0 0x00000000 #define MMUCFG_MAVN_V2_0 0x00000001 #define MMUCFG_NTLB_MASK 0x0000000c #define MMUCFG_NTLB_SHIFT 2 #define MMUCFG_PIDSIZE_MASK 0x000007c0 #define MMUCFG_PIDSIZE_SHIFT 6 #define MMUCFG_TWC 0x00008000 #define MMUCFG_LRAT 0x00010000 #define MMUCFG_RASIZE_MASK 0x00fe0000 #define MMUCFG_RASIZE_SHIFT 17 #define MMUCFG_LPIDSIZE_MASK 0x0f000000 #define MMUCFG_LPIDSIZE_SHIFT 24 /* TLBnCFG encoding */ #define TLBnCFG_N_ENTRY 0x00000fff /* number of entries */ #define TLBnCFG_HES 0x00002000 /* HW select supported */ #define TLBnCFG_IPROT 0x00008000 /* IPROT supported */ #define TLBnCFG_GTWE 0x00010000 /* Guest can write */ #define TLBnCFG_IND 0x00020000 /* IND entries supported */ #define TLBnCFG_PT 0x00040000 /* Can load from page table */ #define TLBnCFG_MINSIZE 0x00f00000 /* Minimum Page Size (v1.0) */ #define TLBnCFG_MINSIZE_SHIFT 20 #define TLBnCFG_MAXSIZE 0x000f0000 /* Maximum Page Size (v1.0) */ #define TLBnCFG_MAXSIZE_SHIFT 16 #define TLBnCFG_ASSOC 0xff000000 /* Associativity */ #define TLBnCFG_ASSOC_SHIFT 24 /* TLBnPS encoding */ #define TLBnPS_4K 0x00000004 #define TLBnPS_8K 0x00000008 #define TLBnPS_16K 0x00000010 #define TLBnPS_32K 0x00000020 #define TLBnPS_64K 0x00000040 #define TLBnPS_128K 0x00000080 #define TLBnPS_256K 0x00000100 #define TLBnPS_512K 0x00000200 #define TLBnPS_1M 0x00000400 #define TLBnPS_2M 0x00000800 #define TLBnPS_4M 0x00001000 #define TLBnPS_8M 0x00002000 #define TLBnPS_16M 0x00004000 #define TLBnPS_32M 0x00008000 #define TLBnPS_64M 0x00010000 #define TLBnPS_128M 0x00020000 #define TLBnPS_256M 0x00040000 #define TLBnPS_512M 0x00080000 #define TLBnPS_1G 0x00100000 #define TLBnPS_2G 0x00200000 #define TLBnPS_4G 0x00400000 #define TLBnPS_8G 0x00800000 #define TLBnPS_16G 0x01000000 #define TLBnPS_32G 0x02000000 #define TLBnPS_64G 0x04000000 #define TLBnPS_128G 0x08000000 #define TLBnPS_256G 0x10000000 /* tlbilx action encoding */ #define TLBILX_T_ALL 0 #define TLBILX_T_TID 1 #define TLBILX_T_FULLMATCH 3 #define TLBILX_T_CLASS0 4 #define TLBILX_T_CLASS1 5 #define TLBILX_T_CLASS2 6 #define TLBILX_T_CLASS3 7 #ifndef __ASSEMBLY__ #include <asm/bug.h> extern unsigned int tlbcam_index; typedef struct { unsigned int id; unsigned int active; unsigned long vdso_base; } mm_context_t; /* Page size definitions, common between 32 and 64-bit * * shift : is the "PAGE_SHIFT" value for that page size * penc : is the pte encoding mask * */ struct mmu_psize_def { unsigned int shift; /* number of bits */ unsigned int enc; /* PTE encoding */ unsigned int ind; /* Corresponding indirect page size shift */ unsigned int flags; #define MMU_PAGE_SIZE_DIRECT 0x1 /* Supported as a direct size */ #define MMU_PAGE_SIZE_INDIRECT 0x2 /* Supported as an indirect size */ }; extern struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT]; static inline int shift_to_mmu_psize(unsigned int shift) { int psize; for (psize = 0; psize < MMU_PAGE_COUNT; ++psize) if (mmu_psize_defs[psize].shift == shift) return psize; return -1; } static inline unsigned int mmu_psize_to_shift(unsigned int mmu_psize) { if (mmu_psize_defs[mmu_psize].shift) return mmu_psize_defs[mmu_psize].shift; BUG(); } /* The page sizes use the same names as 64-bit hash but are * constants */ #if defined(CONFIG_PPC_4K_PAGES) #define mmu_virtual_psize MMU_PAGE_4K #else #error Unsupported page size #endif extern int mmu_linear_psize; extern int mmu_vmemmap_psize; struct tlb_core_data { /* * Per-core spinlock for e6500 TLB handlers (no tlbsrx.) * Must be the first struct element. */ u8 lock; /* For software way selection, as on Freescale TLB1 */ u8 esel_next, esel_max, esel_first; }; #ifdef CONFIG_PPC64 extern unsigned long linear_map_top; extern int book3e_htw_mode; #define PPC_HTW_NONE 0 #define PPC_HTW_IBM 1 #define PPC_HTW_E6500 2 /* * 64-bit booke platforms don't load the tlb in the tlb miss handler code. * HUGETLB_NEED_PRELOAD handles this - it causes huge_ptep_set_access_flags to * return 1, indicating that the tlb requires preloading. */ #define HUGETLB_NEED_PRELOAD #define mmu_cleanup_all NULL #define MAX_PHYSMEM_BITS 44 #endif #endif /* !__ASSEMBLY__ */ #endif /* _ASM_POWERPC_MMU_BOOK3E_H_ */
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