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1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef __CPUPOWER_BITMASK__3#define __CPUPOWER_BITMASK__4 5/* Taken over from libbitmask, a project initiated from sgi:6 * Url: http://oss.sgi.com/projects/cpusets/7 * Unfortunately it's not very widespread, therefore relevant parts are8 * pasted here.9 */10 11struct bitmask {12 unsigned int size;13 unsigned long *maskp;14};15 16struct bitmask *bitmask_alloc(unsigned int n);17void bitmask_free(struct bitmask *bmp);18 19struct bitmask *bitmask_setbit(struct bitmask *bmp, unsigned int i);20struct bitmask *bitmask_setall(struct bitmask *bmp);21struct bitmask *bitmask_clearall(struct bitmask *bmp);22 23unsigned int bitmask_first(const struct bitmask *bmp);24unsigned int bitmask_next(const struct bitmask *bmp, unsigned int i);25unsigned int bitmask_last(const struct bitmask *bmp);26int bitmask_isallclear(const struct bitmask *bmp);27int bitmask_isbitset(const struct bitmask *bmp, unsigned int i);28 29int bitmask_parselist(const char *buf, struct bitmask *bmp);30int bitmask_displaylist(char *buf, int len, const struct bitmask *bmp);31 32 33 34#endif /*__CPUPOWER_BITMASK__ */35