1 #ifndef __ASM_GENERIC_CPUMASK_ARITH_H
2 #define __ASM_GENERIC_CPUMASK_ARITH_H
5 * Arithmetic type -based cpu bitmaps. A single unsigned long is used
6 * to contain the whole cpu bitmap.
9 #define cpu_set(cpu, map) set_bit(cpu, &(map))
10 #define cpu_clear(cpu, map) clear_bit(cpu, &(map))
11 #define cpu_isset(cpu, map) test_bit(cpu, &(map))
12 #define cpu_test_and_set(cpu, map) test_and_set_bit(cpu, &(map))
14 #define cpus_and(dst,src1,src2) do { dst = (src1) & (src2); } while (0)
15 #define cpus_or(dst,src1,src2) do { dst = (src1) | (src2); } while (0)
16 #define cpus_clear(map) do { map = 0; } while (0)
17 #define cpus_complement(map) do { map = ~(map); } while (0)
18 #define cpus_equal(map1, map2) ((map1) == (map2))
19 #define cpus_empty(map) ((map) == 0)
20 #define cpus_addr(map) (&(map))
22 #if BITS_PER_LONG == 32
23 #define cpus_weight(map) hweight32(map)
24 #elif BITS_PER_LONG == 64
25 #define cpus_weight(map) hweight64(map)
28 #define cpus_shift_right(dst, src, n) do { dst = (src) >> (n); } while (0)
29 #define cpus_shift_left(dst, src, n) do { dst = (src) << (n); } while (0)
31 #define any_online_cpu(map) \
34 cpus_and(__tmp__, map, cpu_online_map); \
35 __tmp__ ? first_cpu(__tmp__) : NR_CPUS; \
38 #define CPU_MASK_ALL (~((cpumask_t)0) >> (8*sizeof(cpumask_t) - NR_CPUS))
39 #define CPU_MASK_NONE ((cpumask_t)0)
41 /* only ever use this for things that are _never_ used on large boxen */
42 #define cpus_coerce(map) ((unsigned long)(map))
43 #define cpus_promote(map) ({ map; })
44 #define cpumask_of_cpu(cpu) ({ ((cpumask_t)1) << (cpu); })
46 #define first_cpu(map) find_first_bit(&(map), NR_CPUS)
47 #define next_cpu(cpu, map) find_next_bit(&(map), NR_CPUS, cpu + 1)
49 #endif /* __ASM_GENERIC_CPUMASK_ARITH_H */