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authorIngo Molnar <mingo@kernel.org>2017-03-01 09:02:26 +0100
committerIngo Molnar <mingo@kernel.org>2017-03-01 09:02:26 +0100
commit0871d5a66da5c41151e0896a90298b163e42f2e0 (patch)
tree1ba71fab9016cb28bb9d18ffd62b6b744f2f761c /arch/powerpc/include/asm/book3s/64/mmu.h
parente22af0be2cf654bb225f19750c6b9aab1627dc9e (diff)
parent2d6be4abf514fc26c83d239c7f31da1f95e4a31d (diff)
Merge branch 'linus' into WIP.x86/boot, to fix up conflicts and to pick up updates
Conflicts: arch/x86/xen/setup.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/mmu.h')
-rw-r--r--arch/powerpc/include/asm/book3s/64/mmu.h20
1 files changed, 18 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/mmu.h b/arch/powerpc/include/asm/book3s/64/mmu.h
index 8afb0e00f7d9..1145dc8e726d 100644
--- a/arch/powerpc/include/asm/book3s/64/mmu.h
+++ b/arch/powerpc/include/asm/book3s/64/mmu.h
@@ -30,7 +30,7 @@ extern struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT];
#ifndef __ASSEMBLY__
/*
- * ISA 3.0 partiton and process table entry format
+ * ISA 3.0 partition and process table entry format
*/
struct prtb_entry {
__be64 prtb0;
@@ -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.
@@ -138,5 +148,11 @@ static inline void setup_initial_memory_limit(phys_addr_t first_memblock_base,
extern int (*register_process_table)(unsigned long base, unsigned long page_size,
unsigned long tbl_size);
+#ifdef CONFIG_PPC_PSERIES
+extern void radix_init_pseries(void);
+#else
+static inline void radix_init_pseries(void) { };
+#endif
+
#endif /* __ASSEMBLY__ */
#endif /* _ASM_POWERPC_BOOK3S_64_MMU_H_ */