qls_inline.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2013-2014 Qlogic Corporation
    5  * 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  *  1. Redistributions of source code must retain the above copyright
   12  *     notice, this list of conditions and the following disclaimer.
   13  *  2. Redistributions in binary form must reproduce the above copyright
   14  *     notice, this list of conditions and the following disclaimer in the
   15  *     documentation and/or other materials provided with the distribution.
   16  *
   17  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   18  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   21  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   22  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   23  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   24  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   25  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   26  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   27  *  POSSIBILITY OF SUCH DAMAGE.
   28  *
   29  * $FreeBSD: releng/12.0/sys/dev/qlxge/qls_inline.h 326255 2017-11-27 14:52:40Z pfg $
   30  */
   31 /*
   32  * File: qls_inline.h
   33  * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
   34  */
   35 #ifndef _QLS_INLINE_H_
   36 #define _QLS_INLINE_H_
   37 
   38 static __inline int
   39 qls_get_ifq_snd_maxlen(qla_host_t *ha)
   40 {
   41         return((NUM_TX_DESCRIPTORS - 1));
   42 }
   43 
   44 static __inline uint32_t
   45 qls_get_optics(qla_host_t *ha)
   46 {
   47         uint32_t link_speed = 0;
   48 
   49         if (ha->link_up) {
   50                 switch ((ha->link_hw_info & 0xF0)) {
   51                 case (0x01 << 4):
   52                 case (0x02 << 4):
   53                 case (0x03 << 4):
   54                         link_speed = (IFM_10G_LR | IFM_10G_SR);
   55                         break;
   56 
   57                 case (0x04 << 4):
   58                 case (0x05 << 4):
   59                 case (0x06 << 4):
   60                         link_speed = IFM_10G_TWINAX;
   61                         break;
   62 
   63                 case (0x07 << 4):
   64                 case (0x08 << 4):
   65                 case (0x09 << 4):
   66                 case (0x0A << 4):
   67                 case (0x0B << 4):
   68                         link_speed = IFM_1000_SX;
   69                         break;
   70                 }
   71         }
   72 
   73         return(link_speed);
   74 }
   75 
   76 static __inline uint8_t *
   77 qls_get_mac_addr(qla_host_t *ha)
   78 {
   79         return (ha->mac_addr);
   80 }
   81 
   82 static __inline int
   83 qls_lock(qla_host_t *ha, const char *str, uint32_t no_delay)
   84 {
   85         int ret = -1;
   86 
   87         while (1) {
   88                 mtx_lock(&ha->hw_lock);
   89                 if (!ha->hw_lock_held) {
   90                         ha->hw_lock_held = 1;
   91                         ha->qla_lock = str;
   92                         ret = 0;
   93                         mtx_unlock(&ha->hw_lock);
   94                         break;
   95                 }
   96                 mtx_unlock(&ha->hw_lock);
   97 
   98                 if (no_delay)
   99                         break;
  100                 else
  101                         qls_mdelay(__func__, 1);
  102         }
  103         return (ret);
  104 }
  105 
  106 static __inline void
  107 qls_unlock(qla_host_t *ha, const char *str)
  108 {
  109         mtx_lock(&ha->hw_lock);
  110         ha->hw_lock_held = 0;
  111         ha->qla_unlock = str;
  112         mtx_unlock(&ha->hw_lock);
  113 }
  114 
  115 #endif /* #ifndef _QLS_INLINE_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/dev/qlxge/qls_inline.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/qlxge/qls_inline.h