| /* 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__ */ |
