a083f8cc77
Since the kernel modules are moved to kernel/ directory, there is no need anymore for the sub-directory eal/ in linux/, freebsd/ and windows/. Signed-off-by: Thomas Monjalon <thomas@monjalon.net> Acked-by: David Marchand <david.marchand@redhat.com>
93 lines
2 KiB
C
93 lines
2 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2019 Intel Corporation
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*/
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#ifndef _SCHED_H_
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#define _SCHED_H_
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/**
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* This file is added to support the common code in eal_common_thread.c
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* as Microsoft libc does not contain sched.h. This may be removed
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* in future releases.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef CPU_SETSIZE
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#define CPU_SETSIZE RTE_MAX_LCORE
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#endif
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#define _BITS_PER_SET (sizeof(long long) * 8)
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#define _BIT_SET_MASK (_BITS_PER_SET - 1)
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#define _NUM_SETS(b) (((b) + _BIT_SET_MASK) / _BITS_PER_SET)
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#define _WHICH_SET(b) ((b) / _BITS_PER_SET)
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#define _WHICH_BIT(b) ((b) & (_BITS_PER_SET - 1))
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typedef struct _rte_cpuset_s {
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long long _bits[_NUM_SETS(CPU_SETSIZE)];
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} rte_cpuset_t;
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#define CPU_SET(b, s) ((s)->_bits[_WHICH_SET(b)] |= (1LL << _WHICH_BIT(b)))
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#define CPU_ZERO(s) \
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do { \
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unsigned int _i; \
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\
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for (_i = 0; _i < _NUM_SETS(CPU_SETSIZE); _i++) \
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(s)->_bits[_i] = 0LL; \
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} while (0)
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#define CPU_ISSET(b, s) (((s)->_bits[_WHICH_SET(b)] & \
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(1LL << _WHICH_BIT(b))) != 0LL)
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static inline int
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count_cpu(rte_cpuset_t *s)
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{
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unsigned int _i;
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int count = 0;
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for (_i = 0; _i < _NUM_SETS(CPU_SETSIZE); _i++)
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if (CPU_ISSET(_i, s) != 0LL)
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count++;
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return count;
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}
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#define CPU_COUNT(s) count_cpu(s)
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#define CPU_AND(dst, src1, src2) \
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do { \
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unsigned int _i; \
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\
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for (_i = 0; _i < _NUM_SETS(CPU_SETSIZE); _i++) \
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(dst)->_bits[_i] = (src1)->_bits[_i] & (src2)->_bits[_i]; \
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} while (0)
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#define CPU_OR(dst, src1, src2) \
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do { \
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unsigned int _i; \
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\
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for (_i = 0; _i < _NUM_SETS(CPU_SETSIZE); _i++) \
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(dst)->_bits[_i] = (src1)->_bits[_i] | (src2)->_bits[_i]; \
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} while (0)
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#define CPU_FILL(s) \
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do { \
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unsigned int _i; \
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for (_i = 0; _i < _NUM_SETS(CPU_SETSIZE); _i++) \
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(s)->_bits[_i] = -1LL; \
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} while (0)
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#define CPU_NOT(dst, src) \
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do { \
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unsigned int _i; \
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for (_i = 0; _i < _NUM_SETS(CPU_SETSIZE); _i++) \
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(dst)->_bits[_i] = (src)->_bits[_i] ^ -1LL; \
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} while (0)
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SCHED_H_ */
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