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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef __CPUPOWER_BITMASK__
- #define __CPUPOWER_BITMASK__
- /* Taken over from libbitmask, a project initiated from sgi:
- * Url: http://oss.sgi.com/projects/cpusets/
- * Unfortunately it's not very widespread, therefore relevant parts are
- * pasted here.
- */
- struct bitmask {
- unsigned int size;
- unsigned long *maskp;
- };
- struct bitmask *bitmask_alloc(unsigned int n);
- void bitmask_free(struct bitmask *bmp);
- struct bitmask *bitmask_setbit(struct bitmask *bmp, unsigned int i);
- struct bitmask *bitmask_setall(struct bitmask *bmp);
- struct bitmask *bitmask_clearall(struct bitmask *bmp);
- unsigned int bitmask_first(const struct bitmask *bmp);
- unsigned int bitmask_next(const struct bitmask *bmp, unsigned int i);
- unsigned int bitmask_last(const struct bitmask *bmp);
- int bitmask_isallclear(const struct bitmask *bmp);
- int bitmask_isbitset(const struct bitmask *bmp, unsigned int i);
- int bitmask_parselist(const char *buf, struct bitmask *bmp);
- int bitmask_displaylist(char *buf, int len, const struct bitmask *bmp);
- #endif /*__CPUPOWER_BITMASK__ */
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