X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=include%2Fasm-powerpc%2Fmmu.h;h=3a5ebe229af56763ec8956573d579161aad4e4cb;hb=d1bef4ed5faf7d9872337b33c4269e45ae1bf960;hp=d096d9e76ad7ff575cdbbc7936097c9effa807b5;hpb=0a0fc0ddbe732779366ab6b1b879f62195e65967;p=powerpc.git diff --git a/include/asm-powerpc/mmu.h b/include/asm-powerpc/mmu.h index d096d9e76a..3a5ebe229a 100644 --- a/include/asm-powerpc/mmu.h +++ b/include/asm-powerpc/mmu.h @@ -96,6 +96,8 @@ extern char initial_stab[]; #define HPTE_R_FLAGS ASM_CONST(0x00000000000003ff) #define HPTE_R_PP ASM_CONST(0x0000000000000003) #define HPTE_R_N ASM_CONST(0x0000000000000004) +#define HPTE_R_C ASM_CONST(0x0000000000000080) +#define HPTE_R_R ASM_CONST(0x0000000000000100) /* Values for PP (assumes Ks=0, Kp=1) */ /* pp0 will always be 0 for linux */ @@ -112,6 +114,7 @@ typedef struct { } hpte_t; extern hpte_t *htab_address; +extern unsigned long htab_size_bytes; extern unsigned long htab_hash_mask; /* @@ -162,6 +165,16 @@ struct mmu_psize_def extern struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT]; extern int mmu_linear_psize; extern int mmu_virtual_psize; +extern int mmu_vmalloc_psize; +extern int mmu_io_psize; + +/* + * If the processor supports 64k normal pages but not 64k cache + * inhibited pages, we have to be prepared to switch processes + * to use 4k pages when they create cache-inhibited mappings. + * If this is the case, mmu_ci_restrictions will be set to 1. + */ +extern int mmu_ci_restrictions; #ifdef CONFIG_HUGETLB_PAGE /* @@ -235,7 +248,6 @@ extern void htab_initialize_secondary(void); extern void hpte_init_native(void); extern void hpte_init_lpar(void); extern void hpte_init_iSeries(void); -extern void mm_init_ppc64(void); extern long pSeries_lpar_hpte_insert(unsigned long hpte_group, unsigned long va, unsigned long prpn, @@ -254,6 +266,7 @@ extern long iSeries_hpte_insert(unsigned long hpte_group, extern void stabs_alloc(void); extern void slb_initialize(void); +extern void slb_flush_and_rebolt(void); extern void stab_initialize(unsigned long stab); #endif /* __ASSEMBLY__ */ @@ -357,9 +370,12 @@ typedef unsigned long mm_context_id_t; typedef struct { mm_context_id_t id; + u16 user_psize; /* page size index */ + u16 sllp; /* SLB entry page size encoding */ #ifdef CONFIG_HUGETLB_PAGE u16 low_htlb_areas, high_htlb_areas; #endif + unsigned long vdso_base; } mm_context_t;