1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2019 Intel Corporation
9 * This file is added to support the common code in eal_common_thread.c
10 * as Microsoft libc does not contain sched.h. This may be removed
18 #define CPU_SETSIZE RTE_MAX_LCORE
21 #define _BITS_PER_SET (sizeof(long long) * 8)
22 #define _BIT_SET_MASK (_BITS_PER_SET - 1)
24 #define _NUM_SETS(b) (((b) + _BIT_SET_MASK) / _BITS_PER_SET)
25 #define _WHICH_SET(b) ((b) / _BITS_PER_SET)
26 #define _WHICH_BIT(b) ((b) & (_BITS_PER_SET - 1))
28 typedef struct _rte_cpuset_s {
29 long long _bits[_NUM_SETS(CPU_SETSIZE)];
31 #define RTE_HAS_CPUSET
33 #define CPU_SET(b, s) ((s)->_bits[_WHICH_SET(b)] |= (1LL << _WHICH_BIT(b)))
39 for (_i = 0; _i < _NUM_SETS(CPU_SETSIZE); _i++) \
40 (s)->_bits[_i] = 0LL; \
43 #define CPU_ISSET(b, s) (((s)->_bits[_WHICH_SET(b)] & \
44 (1LL << _WHICH_BIT(b))) != 0LL)
47 count_cpu(rte_cpuset_t *s)
52 for (_i = 0; _i < _NUM_SETS(CPU_SETSIZE); _i++)
53 if (CPU_ISSET(_i, s) != 0LL)
57 #define CPU_COUNT(s) count_cpu(s)
59 #define CPU_AND(dst, src1, src2) \
63 for (_i = 0; _i < _NUM_SETS(CPU_SETSIZE); _i++) \
64 (dst)->_bits[_i] = (src1)->_bits[_i] & (src2)->_bits[_i]; \
67 #define CPU_OR(dst, src1, src2) \
71 for (_i = 0; _i < _NUM_SETS(CPU_SETSIZE); _i++) \
72 (dst)->_bits[_i] = (src1)->_bits[_i] | (src2)->_bits[_i]; \
78 for (_i = 0; _i < _NUM_SETS(CPU_SETSIZE); _i++) \
79 (s)->_bits[_i] = -1LL; \
82 #define CPU_NOT(dst, src) \
85 for (_i = 0; _i < _NUM_SETS(CPU_SETSIZE); _i++) \
86 (dst)->_bits[_i] = (src)->_bits[_i] ^ -1LL; \
93 #endif /* _SCHED_H_ */