18c2ecf20Sopenharmony_ci/* 28c2ecf20Sopenharmony_ci * This file is part of the Chelsio T6 Ethernet driver for Linux. 38c2ecf20Sopenharmony_ci * 48c2ecf20Sopenharmony_ci * Copyright (c) 2017-2018 Chelsio Communications, Inc. All rights reserved. 58c2ecf20Sopenharmony_ci * 68c2ecf20Sopenharmony_ci * This software is available to you under a choice of one of two 78c2ecf20Sopenharmony_ci * licenses. You may choose to be licensed under the terms of the GNU 88c2ecf20Sopenharmony_ci * General Public License (GPL) Version 2, available from the file 98c2ecf20Sopenharmony_ci * COPYING in the main directory of this source tree, or the 108c2ecf20Sopenharmony_ci * OpenIB.org BSD license below: 118c2ecf20Sopenharmony_ci * 128c2ecf20Sopenharmony_ci * Redistribution and use in source and binary forms, with or 138c2ecf20Sopenharmony_ci * without modification, are permitted provided that the following 148c2ecf20Sopenharmony_ci * conditions are met: 158c2ecf20Sopenharmony_ci * 168c2ecf20Sopenharmony_ci * - Redistributions of source code must retain the above 178c2ecf20Sopenharmony_ci * copyright notice, this list of conditions and the following 188c2ecf20Sopenharmony_ci * disclaimer. 198c2ecf20Sopenharmony_ci * 208c2ecf20Sopenharmony_ci * - Redistributions in binary form must reproduce the above 218c2ecf20Sopenharmony_ci * copyright notice, this list of conditions and the following 228c2ecf20Sopenharmony_ci * disclaimer in the documentation and/or other materials 238c2ecf20Sopenharmony_ci * provided with the distribution. 248c2ecf20Sopenharmony_ci * 258c2ecf20Sopenharmony_ci * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 268c2ecf20Sopenharmony_ci * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 278c2ecf20Sopenharmony_ci * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 288c2ecf20Sopenharmony_ci * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 298c2ecf20Sopenharmony_ci * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 308c2ecf20Sopenharmony_ci * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 318c2ecf20Sopenharmony_ci * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 328c2ecf20Sopenharmony_ci * SOFTWARE. 338c2ecf20Sopenharmony_ci */ 348c2ecf20Sopenharmony_ci 358c2ecf20Sopenharmony_ci#ifndef __CXGB4_SRQ_H 368c2ecf20Sopenharmony_ci#define __CXGB4_SRQ_H 378c2ecf20Sopenharmony_ci 388c2ecf20Sopenharmony_cistruct adapter; 398c2ecf20Sopenharmony_cistruct cpl_srq_table_rpl; 408c2ecf20Sopenharmony_ci 418c2ecf20Sopenharmony_ci#define SRQ_WAIT_TO (HZ * 5) 428c2ecf20Sopenharmony_ci 438c2ecf20Sopenharmony_cistruct srq_entry { 448c2ecf20Sopenharmony_ci u8 valid; 458c2ecf20Sopenharmony_ci u8 idx; 468c2ecf20Sopenharmony_ci u8 qlen; 478c2ecf20Sopenharmony_ci u16 pdid; 488c2ecf20Sopenharmony_ci u16 cur_msn; 498c2ecf20Sopenharmony_ci u16 max_msn; 508c2ecf20Sopenharmony_ci u32 qbase; 518c2ecf20Sopenharmony_ci}; 528c2ecf20Sopenharmony_ci 538c2ecf20Sopenharmony_cistruct srq_data { 548c2ecf20Sopenharmony_ci unsigned int srq_size; 558c2ecf20Sopenharmony_ci struct srq_entry *entryp; 568c2ecf20Sopenharmony_ci struct completion comp; 578c2ecf20Sopenharmony_ci struct mutex lock; /* generic mutex for srq data */ 588c2ecf20Sopenharmony_ci}; 598c2ecf20Sopenharmony_ci 608c2ecf20Sopenharmony_cistruct srq_data *t4_init_srq(int srq_size); 618c2ecf20Sopenharmony_ciint cxgb4_get_srq_entry(struct net_device *dev, 628c2ecf20Sopenharmony_ci int srq_idx, struct srq_entry *entryp); 638c2ecf20Sopenharmony_civoid do_srq_table_rpl(struct adapter *adap, 648c2ecf20Sopenharmony_ci const struct cpl_srq_table_rpl *rpl); 658c2ecf20Sopenharmony_ci#endif /* __CXGB4_SRQ_H */ 66