1 /*- 2 * BSD LICENSE 3 * 4 * Copyright (c) Intel Corporation. All rights reserved. 5 * Copyright (c) 2020 Mellanox Technologies LTD. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef SPDK_INTERNAL_THREAD_H_ 35 #define SPDK_INTERNAL_THREAD_H_ 36 37 #include "spdk/stdinc.h" 38 #include "spdk/thread.h" 39 40 struct spdk_poller; 41 42 struct spdk_poller_stats { 43 uint64_t run_count; 44 uint64_t busy_count; 45 }; 46 47 struct io_device; 48 struct spdk_thread; 49 50 const char *spdk_poller_get_name(struct spdk_poller *poller); 51 uint64_t spdk_poller_get_id(struct spdk_poller *poller); 52 const char *spdk_poller_get_state_str(struct spdk_poller *poller); 53 uint64_t spdk_poller_get_period_ticks(struct spdk_poller *poller); 54 void spdk_poller_get_stats(struct spdk_poller *poller, struct spdk_poller_stats *stats); 55 56 const char *spdk_io_channel_get_io_device_name(struct spdk_io_channel *ch); 57 int spdk_io_channel_get_ref_count(struct spdk_io_channel *ch); 58 59 const char *spdk_io_device_get_name(struct io_device *dev); 60 61 struct spdk_poller *spdk_thread_get_first_active_poller(struct spdk_thread *thread); 62 struct spdk_poller *spdk_thread_get_next_active_poller(struct spdk_poller *prev); 63 struct spdk_poller *spdk_thread_get_first_timed_poller(struct spdk_thread *thread); 64 struct spdk_poller *spdk_thread_get_next_timed_poller(struct spdk_poller *prev); 65 struct spdk_poller *spdk_thread_get_first_paused_poller(struct spdk_thread *thread); 66 struct spdk_poller *spdk_thread_get_next_paused_poller(struct spdk_poller *prev); 67 68 struct spdk_io_channel *spdk_thread_get_first_io_channel(struct spdk_thread *thread); 69 struct spdk_io_channel *spdk_thread_get_next_io_channel(struct spdk_io_channel *prev); 70 71 #endif /* SPDK_INTERNAL_THREAD_H_ */ 72