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
18