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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | #ifndef __ASM_GENERIC_CPUMASK_UP_H |
| 2 | #define __ASM_GENERIC_CPUMASK_UP_H |
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| 3 | |||
| 4 | #define cpus_coerce(map) (map) |
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| 5 | |||
| 6 | #define cpu_set(cpu, map) do { (void)(cpu); cpus_coerce(map) = 1UL; } while (0) |
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| 7 | #define cpu_clear(cpu, map) do { (void)(cpu); cpus_coerce(map) = 0UL; } while (0) |
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| 8 | #define cpu_isset(cpu, map) ((void)(cpu), cpus_coerce(map) != 0UL) |
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| 9 | #define cpu_test_and_set(cpu, map) ((void)(cpu), test_and_set_bit(0, &(map))) |
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| 10 | |||
| 11 | #define cpus_and(dst, src1, src2) \ |
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| 12 | do { \ |
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| 13 | if (cpus_coerce(src1) && cpus_coerce(src2)) \ |
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| 14 | cpus_coerce(dst) = 1UL; \ |
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| 15 | else \ |
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| 16 | cpus_coerce(dst) = 0UL; \ |
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| 17 | } while (0) |
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| 18 | |||
| 19 | #define cpus_or(dst, src1, src2) \ |
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| 20 | do { \ |
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| 21 | if (cpus_coerce(src1) || cpus_coerce(src2)) \ |
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| 22 | cpus_coerce(dst) = 1UL; \ |
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| 23 | else \ |
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| 24 | cpus_coerce(dst) = 0UL; \ |
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| 25 | } while (0) |
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| 26 | |||
| 27 | #define cpus_clear(map) do { cpus_coerce(map) = 0UL; } while (0) |
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| 28 | |||
| 29 | #define cpus_complement(map) \ |
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| 30 | do { \ |
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| 31 | cpus_coerce(map) = !cpus_coerce(map); \ |
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| 32 | } while (0) |
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| 33 | |||
| 34 | #define cpus_equal(map1, map2) (cpus_coerce(map1) == cpus_coerce(map2)) |
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| 35 | #define cpus_empty(map) (cpus_coerce(map) == 0UL) |
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| 36 | #define cpus_weight(map) (cpus_coerce(map) ? 1UL : 0UL) |
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| 37 | #define cpus_shift_right(d, s, n) do { cpus_coerce(d) = 0UL; } while (0) |
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| 38 | #define cpus_shift_left(d, s, n) do { cpus_coerce(d) = 0UL; } while (0) |
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| 39 | #define first_cpu(map) (cpus_coerce(map) ? 0 : 1) |
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| 40 | #define next_cpu(cpu, map) 1 |
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| 41 | |||
| 42 | /* only ever use this for things that are _never_ used on large boxen */ |
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| 43 | #define cpus_promote(map) \ |
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| 44 | ({ \ |
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| 45 | cpumask_t __tmp__; \ |
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| 46 | cpus_coerce(__tmp__) = map; \ |
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| 47 | __tmp__; \ |
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| 48 | }) |
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| 49 | #define cpumask_of_cpu(cpu) ((void)(cpu), cpus_promote(1)) |
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| 50 | #define any_online_cpu(map) (cpus_coerce(map) ? 0 : 1) |
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| 51 | |||
| 52 | /* |
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| 53 | * um, these need to be usable as static initializers |
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| 54 | */ |
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| 55 | #define CPU_MASK_ALL 1UL |
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| 56 | #define CPU_MASK_NONE 0UL |
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| 57 | |||
| 58 | #endif /* __ASM_GENERIC_CPUMASK_UP_H */ |