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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2015-12-01 09:06:26 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2015-12-14 15:19:04 +1100 |
| commit | 26b6a3d9bb48f8b4624a62281bc2a295df3a8109 (patch) | |
| tree | 5cd9d811b9f786e28b22486c52da954b1d69ff75 /arch/powerpc/include/asm/book3s/64/hash-4k.h | |
| parent | 0863d7f2136550a281f40f4d8556bffd09fd4c2d (diff) | |
| download | linux-0-day-26b6a3d9bb48f8b4624a62281bc2a295df3a8109.tar.gz linux-0-day-26b6a3d9bb48f8b4624a62281bc2a295df3a8109.tar.xz | |
powerpc/mm: move pte headers to book3s directory
Acked-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/hash-4k.h')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/hash-4k.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/hash-4k.h b/arch/powerpc/include/asm/book3s/64/hash-4k.h new file mode 100644 index 0000000000000..c134e809aac32 --- /dev/null +++ b/arch/powerpc/include/asm/book3s/64/hash-4k.h @@ -0,0 +1,17 @@ +/* To be include by pgtable-hash64.h only */ + +/* PTE bits */ +#define _PAGE_HASHPTE 0x0400 /* software: pte has an associated HPTE */ +#define _PAGE_SECONDARY 0x8000 /* software: HPTE is in secondary group */ +#define _PAGE_GROUP_IX 0x7000 /* software: HPTE index within group */ +#define _PAGE_F_SECOND _PAGE_SECONDARY +#define _PAGE_F_GIX _PAGE_GROUP_IX +#define _PAGE_SPECIAL 0x10000 /* software: special page */ + +/* PTE flags to conserve for HPTE identification */ +#define _PAGE_HPTEFLAGS (_PAGE_BUSY | _PAGE_HASHPTE | \ + _PAGE_SECONDARY | _PAGE_GROUP_IX) + +/* shift to put page number into pte */ +#define PTE_RPN_SHIFT (17) + |