diff options
| author | Paul Mackerras <paulus@ozlabs.org> | 2017-01-30 13:21:37 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-01-31 11:11:45 +0300 |
| commit | dbcbfee0c81c7938e40d7d6bc659a5191f490b50 (patch) | |
| tree | b5268ee719c0808d48fc6920d2f9aadd77d1a3b6 /arch/powerpc/include/asm/book3s/64/mmu.h | |
| parent | cc3d2940133d24000e2866b21e03ce32adfead0a (diff) | |
| download | linux-dbcbfee0c81c7938e40d7d6bc659a5191f490b50.tar.xz | |
powerpc/64: More definitions for POWER9
This adds definitions for bits in the DSISR register which are used
by POWER9 for various translation-related exception conditions, and
for some more bits in the partition table entry that will be needed
by KVM.
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/mmu.h')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/mmu.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/mmu.h b/arch/powerpc/include/asm/book3s/64/mmu.h index cea522c3bcae..d73e9dfa5237 100644 --- a/arch/powerpc/include/asm/book3s/64/mmu.h +++ b/arch/powerpc/include/asm/book3s/64/mmu.h @@ -44,10 +44,20 @@ struct patb_entry { }; extern struct patb_entry *partition_tb; +/* Bits in patb0 field */ #define PATB_HR (1UL << 63) -#define PATB_GR (1UL << 63) #define RPDB_MASK 0x0ffffffffffff00fUL #define RPDB_SHIFT (1UL << 8) +#define RTS1_SHIFT 61 /* top 2 bits of radix tree size */ +#define RTS1_MASK (3UL << RTS1_SHIFT) +#define RTS2_SHIFT 5 /* bottom 3 bits of radix tree size */ +#define RTS2_MASK (7UL << RTS2_SHIFT) +#define RPDS_MASK 0x1f /* root page dir. size field */ + +/* Bits in patb1 field */ +#define PATB_GR (1UL << 63) /* guest uses radix; must match HR */ +#define PRTS_MASK 0x1f /* process table size field */ + /* * Limit process table to PAGE_SIZE table. This * also limit the max pid we can support. |