cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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srq.h (2140B)

      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 two
      7 * licenses.  You may choose to be licensed under the terms of the GNU
      8 * General Public License (GPL) Version 2, available from the file
      9 * COPYING in the main directory of this source tree, or the
     10 * OpenIB.org BSD license below:
     11 *
     12 *     Redistribution and use in source and binary forms, with or
     13 *     without modification, are permitted provided that the following
     14 *     conditions are met:
     15 *
     16 *      - Redistributions of source code must retain the above
     17 *        copyright notice, this list of conditions and the following
     18 *        disclaimer.
     19 *
     20 *      - Redistributions in binary form must reproduce the above
     21 *        copyright notice, this list of conditions and the following
     22 *        disclaimer in the documentation and/or other materials
     23 *        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 OF
     27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
     29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
     30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     32 * SOFTWARE.
     33 */
     34
     35#ifndef __CXGB4_SRQ_H
     36#define __CXGB4_SRQ_H
     37
     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 */