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
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