[linux-2.6-block.git] / arch / powerpc / mm / vphn.h

/* 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
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
4b6cfb2a GK	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	/*
3338a65b GK	10	* 6 64-bit registers unpacked into up to 24 be32 associativity values. To
3338a65b GK	11	* form the complete property we have to add the length in the first cell.
4b6cfb2a	12	*/
3338a65b	13	#define VPHN_ASSOC_BUFSIZE (VPHN_REGISTER_COUNT*sizeof(u64)/sizeof(u16) + 1)
4b6cfb2a GK	14
	15	extern int vphn_unpack_associativity(const long packed, __be32 unpacked);
	16
	17	#endif