1 /* 2 * Copyright (c) 2015 Los Alamos National Security, LLC. All rights reserved. 3 * Copyright (c) 2015-2017 Cray Inc. All rights reserved. 4 * 5 * This software is available to you under a choice of one of two 6 * licenses. You may choose to be licensed under the terms of the GNU 7 * General Public License (GPL) Version 2, available from the file 8 * COPYING in the main directory of this source tree, or the 9 * BSD license below: 10 * 11 * Redistribution and use in source and binary forms, with or 12 * without modification, are permitted provided that the following 13 * conditions are met: 14 * 15 * - Redistributions of source code must retain the above 16 * copyright notice, this list of conditions and the following 17 * disclaimer. 18 * 19 * - Redistributions in binary form must reproduce the above 20 * copyright notice, this list of conditions and the following 21 * disclaimer in the documentation and/or other materials 22 * provided with the distribution. 23 * 24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 31 * SOFTWARE. 32 */ 33 34 #ifndef _GNIX_CNTR_H_ 35 #define _GNIX_CNTR_H_ 36 37 #include <ofi.h> 38 39 #include "gnix.h" 40 #include "gnix_progress.h" 41 #include "gnix_wait.h" 42 #include "gnix_util.h" 43 44 struct gnix_fid_cntr { 45 struct fid_cntr cntr_fid; 46 struct gnix_fid_domain *domain; 47 struct fid_wait *wait; 48 struct fi_cntr_attr attr; 49 ofi_atomic32_t cnt; 50 ofi_atomic32_t cnt_err; 51 struct gnix_reference ref_cnt; 52 struct dlist_entry trigger_list; 53 fastlock_t trigger_lock; 54 struct gnix_prog_set pset; 55 bool requires_lock; 56 }; 57 58 /** 59 * @brief Increment event counter associated with a gnix_fid counter 60 * object 61 * @param[in] cntr pointer to previously allocated gnix_fid_cntr structure 62 * @return FI_SUCCESS on success, -FI_EINVAL on invalid argument 63 */ 64 int _gnix_cntr_inc(struct gnix_fid_cntr *cntr); 65 66 /** 67 * @brief Increment error event counter associated with a gnix_fid counter 68 * object 69 * @param[in] cntr pointer to previously allocated gnix_fid_cntr structure 70 * @return FI_SUCCESS on success, -FI_EINVAL on invalid argument 71 */ 72 int _gnix_cntr_inc_err(struct gnix_fid_cntr *cntr); 73 74 /** 75 * @brief Add an object to the list progressed when fi_cntr_read 76 * and related functions are called. 77 * @param[in] cntr pointer to previously allocated gnix_fid_cntr structure 78 * @param[in] obj pointer to object to add to the progress list. 79 * @param[in] prog_fn object progress function 80 * @return FI_SUCCESS on success, -FI_EINVAL on invalid argument 81 */ 82 int _gnix_cntr_poll_obj_add(struct gnix_fid_cntr *cntr, void *obj, 83 int (*prog_fn)(void *data)); 84 85 /** 86 * @brief Remove an object from the list progressed when 87 * fi_cntr_read and related functions are called. 88 * @param[in] cntr pointer to previously allocated gnix_fid_cntr structure 89 * @param[in] obj pointer to previously added object 90 * @param[in] prog_fn object progress function 91 * @return FI_SUCCESS on success, -FI_EINVAL on invalid argument 92 */ 93 int _gnix_cntr_poll_obj_rem(struct gnix_fid_cntr *cntr, void *obj, 94 int (*prog_fn)(void *data)); 95 96 #endif 97