111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/**************************************************************************** 211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert **************************************************************************** 311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** 411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** This header was automatically generated from a Linux kernel header 511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** of the same name, to make information necessary for userspace to 611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** call into the kernel available to libc. It contains only constants, 711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** structures, and macros generated from the original header, and thus, 811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** contains no copyrightable information. 911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** 1011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert **************************************************************************** 1111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ****************************************************************************/ 1211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifndef __LINUX_CPUMASK_H 1311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define __LINUX_CPUMASK_H 1411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/kernel.h> 1611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/threads.h> 1711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/bitmap.h> 1811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1911cd02dfb91661c65134cac258cf5924270e9d2Dan Alberttypedef struct { DECLARE_BITMAP(bits, NR_CPUS); } cpumask_t; 2011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpu_set(cpu, dst) __cpu_set((cpu), &(dst)) 2211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpu_clear(cpu, dst) __cpu_clear((cpu), &(dst)) 2311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpus_setall(dst) __cpus_setall(&(dst), NR_CPUS) 2411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpus_clear(dst) __cpus_clear(&(dst), NR_CPUS) 2511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpu_isset(cpu, cpumask) test_bit((cpu), (cpumask).bits) 2611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpu_test_and_set(cpu, cpumask) __cpu_test_and_set((cpu), &(cpumask)) 2711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpus_and(dst, src1, src2) __cpus_and(&(dst), &(src1), &(src2), NR_CPUS) 2811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpus_or(dst, src1, src2) __cpus_or(&(dst), &(src1), &(src2), NR_CPUS) 2911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpus_xor(dst, src1, src2) __cpus_xor(&(dst), &(src1), &(src2), NR_CPUS) 3011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpus_andnot(dst, src1, src2) __cpus_andnot(&(dst), &(src1), &(src2), NR_CPUS) 3111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpus_complement(dst, src) __cpus_complement(&(dst), &(src), NR_CPUS) 3211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpus_equal(src1, src2) __cpus_equal(&(src1), &(src2), NR_CPUS) 3311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpus_intersects(src1, src2) __cpus_intersects(&(src1), &(src2), NR_CPUS) 3411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpus_subset(src1, src2) __cpus_subset(&(src1), &(src2), NR_CPUS) 3511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpus_empty(src) __cpus_empty(&(src), NR_CPUS) 3611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpus_full(cpumask) __cpus_full(&(cpumask), NR_CPUS) 3711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpus_weight(cpumask) __cpus_weight(&(cpumask), NR_CPUS) 3811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpus_shift_right(dst, src, n) __cpus_shift_right(&(dst), &(src), (n), NR_CPUS) 3911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpus_shift_left(dst, src, n) __cpus_shift_left(&(dst), &(src), (n), NR_CPUS) 4011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define first_cpu(src) 0 4111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define next_cpu(n, src) 1 4211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpumask_of_cpu(cpu) ({ typeof(_unused_cpumask_arg_) m; if (sizeof(m) == sizeof(unsigned long)) { m.bits[0] = 1UL<<(cpu); } else { cpus_clear(m); cpu_set((cpu), m); } m; }) 4311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define CPU_MASK_LAST_WORD BITMAP_LAST_WORD_MASK(NR_CPUS) 4411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#if NR_CPUS <= BITS_PER_LONG 4511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define CPU_MASK_ALL (cpumask_t) { { [BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD } } 4611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#else 4711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define CPU_MASK_ALL (cpumask_t) { { [0 ... BITS_TO_LONGS(NR_CPUS)-2] = ~0UL, [BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD } } 4811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 4911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define CPU_MASK_NONE (cpumask_t) { { [0 ... BITS_TO_LONGS(NR_CPUS)-1] = 0UL } } 5011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define CPU_MASK_CPU0 (cpumask_t) { { [0] = 1UL } } 5111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpus_addr(src) ((src).bits) 5211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpumask_scnprintf(buf, len, src) __cpumask_scnprintf((buf), (len), &(src), NR_CPUS) 5311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpumask_parse(ubuf, ulen, dst) __cpumask_parse((ubuf), (ulen), &(dst), NR_CPUS) 5411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpulist_scnprintf(buf, len, src) __cpulist_scnprintf((buf), (len), &(src), NR_CPUS) 5511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpulist_parse(buf, dst) __cpulist_parse((buf), &(dst), NR_CPUS) 5611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpu_remap(oldbit, old, new) __cpu_remap((oldbit), &(old), &(new), NR_CPUS) 5711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpus_remap(dst, src, old, new) __cpus_remap(&(dst), &(src), &(old), &(new), NR_CPUS) 5811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#if NR_CPUS > 1 5911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define for_each_cpu_mask(cpu, mask) for ((cpu) = first_cpu(mask); (cpu) < NR_CPUS; (cpu) = next_cpu((cpu), (mask))) 6011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#else 6111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define for_each_cpu_mask(cpu, mask) for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask) 6211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 6311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 6411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#if NR_CPUS > 1 6511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define num_online_cpus() cpus_weight(cpu_online_map) 6611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define num_possible_cpus() cpus_weight(cpu_possible_map) 6711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define num_present_cpus() cpus_weight(cpu_present_map) 6811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpu_online(cpu) cpu_isset((cpu), cpu_online_map) 6911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpu_possible(cpu) cpu_isset((cpu), cpu_possible_map) 7011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpu_present(cpu) cpu_isset((cpu), cpu_present_map) 7111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#else 7211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define num_online_cpus() 1 7311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define num_possible_cpus() 1 7411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define num_present_cpus() 1 7511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpu_online(cpu) ((cpu) == 0) 7611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpu_possible(cpu) ((cpu) == 0) 7711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define cpu_present(cpu) ((cpu) == 0) 7811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 7911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 8011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define highest_possible_processor_id() 0 8111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define any_online_cpu(mask) 0 8211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 8311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define for_each_possible_cpu(cpu) for_each_cpu_mask((cpu), cpu_possible_map) 8411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define for_each_online_cpu(cpu) for_each_cpu_mask((cpu), cpu_online_map) 8511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define for_each_present_cpu(cpu) for_each_cpu_mask((cpu), cpu_present_map) 8611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 8711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 88