Release 4.14 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
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Directory: arch/powerpc/mm

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