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author | 2016-08-08 13:07:20 +0300 | |
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committer | 2016-08-08 13:07:20 +0300 | |
commit | dc56569b146966c17433fef70d4eb5456871dcc6 (patch) | |
tree | 73eb19c9aad6570007fd808e478b7a23f6ca835c /src/dpdk22/lib/librte_eal/common/include/generic/rte_cycles.h | |
parent | 2067ee3de8e6664e66f872a0b5c6d1b68b99625a (diff) |
removed dpdk22 files
Diffstat (limited to 'src/dpdk22/lib/librte_eal/common/include/generic/rte_cycles.h')
-rw-r--r-- | src/dpdk22/lib/librte_eal/common/include/generic/rte_cycles.h | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/src/dpdk22/lib/librte_eal/common/include/generic/rte_cycles.h b/src/dpdk22/lib/librte_eal/common/include/generic/rte_cycles.h deleted file mode 100644 index 8cc21f20..00000000 --- a/src/dpdk22/lib/librte_eal/common/include/generic/rte_cycles.h +++ /dev/null @@ -1,205 +0,0 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ -/* BSD LICENSE - * - * Copyright(c) 2013 6WIND. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of 6WIND S.A. nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef _RTE_CYCLES_H_ -#define _RTE_CYCLES_H_ - -/** - * @file - * - * Simple Time Reference Functions (Cycles and HPET). - */ - -#include <stdint.h> -#include <rte_debug.h> -#include <rte_atomic.h> - -#define MS_PER_S 1000 -#define US_PER_S 1000000 -#define NS_PER_S 1000000000 - -enum timer_source { - EAL_TIMER_TSC = 0, - EAL_TIMER_HPET -}; -extern enum timer_source eal_timer_source; - -/** - * Get the measured frequency of the RDTSC counter - * - * @return - * The TSC frequency for this lcore - */ -uint64_t -rte_get_tsc_hz(void); - -/** - * Return the number of TSC cycles since boot - * - * @return - * the number of cycles - */ -static inline uint64_t -rte_get_tsc_cycles(void); - -#ifdef RTE_LIBEAL_USE_HPET -/** - * Return the number of HPET cycles since boot - * - * This counter is global for all execution units. The number of - * cycles in one second can be retrieved using rte_get_hpet_hz(). - * - * @return - * the number of cycles - */ -uint64_t -rte_get_hpet_cycles(void); - -/** - * Get the number of HPET cycles in one second. - * - * @return - * The number of cycles in one second. - */ -uint64_t -rte_get_hpet_hz(void); - -/** - * Initialise the HPET for use. This must be called before the rte_get_hpet_hz - * and rte_get_hpet_cycles APIs are called. If this function does not succeed, - * then the HPET functions are unavailable and should not be called. - * - * @param make_default - * If set, the hpet timer becomes the default timer whose values are - * returned by the rte_get_timer_hz/cycles API calls - * - * @return - * 0 on success, - * -1 on error, and the make_default parameter is ignored. - */ -int rte_eal_hpet_init(int make_default); - -#endif - -/** - * Get the number of cycles since boot from the default timer. - * - * @return - * The number of cycles - */ -static inline uint64_t -rte_get_timer_cycles(void) -{ - switch(eal_timer_source) { - case EAL_TIMER_TSC: - return rte_get_tsc_cycles(); - case EAL_TIMER_HPET: -#ifdef RTE_LIBEAL_USE_HPET - return rte_get_hpet_cycles(); -#endif - default: rte_panic("Invalid timer source specified\n"); - } -} - -/** - * Get the number of cycles in one second for the default timer. - * - * @return - * The number of cycles in one second. - */ -static inline uint64_t -rte_get_timer_hz(void) -{ - switch(eal_timer_source) { - case EAL_TIMER_TSC: - return rte_get_tsc_hz(); - case EAL_TIMER_HPET: -#ifdef RTE_LIBEAL_USE_HPET - return rte_get_hpet_hz(); -#endif - default: rte_panic("Invalid timer source specified\n"); - } -} - -/** - * Wait at least us microseconds. - * - * @param us - * The number of microseconds to wait. - */ -void -rte_delay_us(unsigned us); - -/** - * Wait at least ms milliseconds. - * - * @param ms - * The number of milliseconds to wait. - */ -static inline void -rte_delay_ms(unsigned ms) -{ - rte_delay_us(ms * 1000); -} - -#endif /* _RTE_CYCLES_H_ */ |