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1/*2 * This file is part of the Chelsio T6 Ethernet driver for Linux.3 *4 * Copyright (c) 2017-2018 Chelsio Communications, Inc. All rights reserved.5 *6 * This software is available to you under a choice of one of two7 * licenses. You may choose to be licensed under the terms of the GNU8 * General Public License (GPL) Version 2, available from the file9 * COPYING in the main directory of this source tree, or the10 * OpenIB.org BSD license below:11 *12 * Redistribution and use in source and binary forms, with or13 * without modification, are permitted provided that the following14 * conditions are met:15 *16 * - Redistributions of source code must retain the above17 * copyright notice, this list of conditions and the following18 * disclaimer.19 *20 * - Redistributions in binary form must reproduce the above21 * copyright notice, this list of conditions and the following22 * disclaimer in the documentation and/or other materials23 * provided with the distribution.24 *25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE32 * SOFTWARE.33 */34 35#ifndef __CXGB4_SRQ_H36#define __CXGB4_SRQ_H37 38struct adapter;39struct cpl_srq_table_rpl;40 41#define SRQ_WAIT_TO (HZ * 5)42 43struct srq_entry {44 u8 valid;45 u8 idx;46 u8 qlen;47 u16 pdid;48 u16 cur_msn;49 u16 max_msn;50 u32 qbase;51};52 53struct srq_data {54 unsigned int srq_size;55 struct srq_entry *entryp;56 struct completion comp;57 struct mutex lock; /* generic mutex for srq data */58};59 60struct srq_data *t4_init_srq(int srq_size);61int cxgb4_get_srq_entry(struct net_device *dev,62 int srq_idx, struct srq_entry *entryp);63void do_srq_table_rpl(struct adapter *adap,64 const struct cpl_srq_table_rpl *rpl);65#endif /* __CXGB4_SRQ_H */66