Files
Linux_Drivers/linux_5.10/tools/power/cpupower/utils/helpers/bitmask.h
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

35 lines
1.1 KiB
C

/* 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__ */