diff options
| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2019-03-29 10:00:00 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-05-03 01:18:38 +1000 |
| commit | 47d99948eee48a84a4b242c17915a4ff59a29b5d (patch) | |
| tree | 93b4b14a4775dfc34c00cd38454672e4233280db /arch/powerpc/mm/book3s64/vphn.h | |
| parent | 9d9f2cccde952126185e3336af0d4dc62eb254ad (diff) | |
powerpc/mm: Move book3s64 specifics in subdirectory mm/book3s64
Many files in arch/powerpc/mm are only for book3S64. This patch
creates a subdirectory for them.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
[mpe: Update the selftest sym links, shorten new filenames, cleanup some
whitespace and formatting in the new files.]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm/book3s64/vphn.h')
| -rw-r--r-- | arch/powerpc/mm/book3s64/vphn.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/powerpc/mm/book3s64/vphn.h b/arch/powerpc/mm/book3s64/vphn.h new file mode 100644 index 000000000000..f0b93c2dd578 --- /dev/null +++ b/arch/powerpc/mm/book3s64/vphn.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ARCH_POWERPC_MM_VPHN_H_ +#define _ARCH_POWERPC_MM_VPHN_H_ + +/* The H_HOME_NODE_ASSOCIATIVITY h_call returns 6 64-bit registers. */ +#define VPHN_REGISTER_COUNT 6 + +/* + * 6 64-bit registers unpacked into up to 24 be32 associativity values. To + * form the complete property we have to add the length in the first cell. + */ +#define VPHN_ASSOC_BUFSIZE (VPHN_REGISTER_COUNT*sizeof(u64)/sizeof(u16) + 1) + +extern int vphn_unpack_associativity(const long *packed, __be32 *unpacked); + +#endif |