| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef _ARCH_POWERPC_MM_VPHN_H_ |
| 3 | #define _ARCH_POWERPC_MM_VPHN_H_ |
| 4 | |
| 5 | /* The H_HOME_NODE_ASSOCIATIVITY h_call returns 6 64-bit registers. |
| 6 | */ |
| 7 | #define VPHN_REGISTER_COUNT 6 |
| 8 | |
| 9 | /* |
| 10 | * 6 64-bit registers unpacked into up to 24 be32 associativity values. To |
| 11 | * form the complete property we have to add the length in the first cell. |
| 12 | */ |
| 13 | #define VPHN_ASSOC_BUFSIZE (VPHN_REGISTER_COUNT*sizeof(u64)/sizeof(u16) + 1) |
| 14 | |
| 15 | extern int vphn_unpack_associativity(const long *packed, __be32 *unpacked); |
| 16 | |
| 17 | #endif |