The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/qlxgb/qla_def.h

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    1 /*
    2  * Copyright (c) 2010-2011 Qlogic Corporation
    3  * All rights reserved.
    4  *
    5  *  Redistribution and use in source and binary forms, with or without
    6  *  modification, are permitted provided that the following conditions
    7  *  are met:
    8  *
    9  *  1. Redistributions of source code must retain the above copyright
   10  *     notice, this list of conditions and the following disclaimer.
   11  *  2. Redistributions in binary form must reproduce the above copyright
   12  *     notice, this list of conditions and the following disclaimer in the
   13  *     documentation and/or other materials provided with the distribution.
   14  *
   15  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   16  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   19  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   20  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   21  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   22  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   23  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   24  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   25  *  POSSIBILITY OF SUCH DAMAGE.
   26  *
   27  * $FreeBSD$
   28  */
   29 
   30 /*
   31  * File: qla_def.h
   32  * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
   33  */
   34 
   35 #ifndef _QLA_DEF_H_
   36 #define _QLA_DEF_H_
   37 
   38 #define BIT_0                   (0x1 << 0)
   39 #define BIT_1                   (0x1 << 1)
   40 #define BIT_2                   (0x1 << 2)
   41 #define BIT_3                   (0x1 << 3)
   42 #define BIT_4                   (0x1 << 4)
   43 #define BIT_5                   (0x1 << 5)
   44 #define BIT_6                   (0x1 << 6)
   45 #define BIT_7                   (0x1 << 7)
   46 #define BIT_8                   (0x1 << 8)
   47 #define BIT_9                   (0x1 << 9)
   48 #define BIT_10                  (0x1 << 10)
   49 #define BIT_11                  (0x1 << 11)
   50 #define BIT_12                  (0x1 << 12)
   51 #define BIT_13                  (0x1 << 13)
   52 #define BIT_14                  (0x1 << 14)
   53 #define BIT_15                  (0x1 << 15)
   54 #define BIT_16                  (0x1 << 16)
   55 #define BIT_17                  (0x1 << 17)
   56 #define BIT_18                  (0x1 << 18)
   57 #define BIT_19                  (0x1 << 19)
   58 #define BIT_20                  (0x1 << 20)
   59 #define BIT_21                  (0x1 << 21)
   60 #define BIT_22                  (0x1 << 22)
   61 #define BIT_23                  (0x1 << 23)
   62 #define BIT_24                  (0x1 << 24)
   63 #define BIT_25                  (0x1 << 25)
   64 #define BIT_26                  (0x1 << 26)
   65 #define BIT_27                  (0x1 << 27)
   66 #define BIT_28                  (0x1 << 28)
   67 #define BIT_29                  (0x1 << 29)
   68 #define BIT_30                  (0x1 << 30)
   69 #define BIT_31                  (0x1 << 31)
   70 
   71 struct qla_rx_buf {
   72         struct mbuf     *m_head;
   73         bus_dmamap_t    map;
   74         bus_addr_t      paddr;
   75         uint32_t        handle;
   76         void            *next;
   77 };
   78 typedef struct qla_rx_buf qla_rx_buf_t;
   79 
   80 struct qla_tx_buf {
   81         struct mbuf     *m_head;
   82         bus_dmamap_t    map;
   83 };
   84 typedef struct qla_tx_buf qla_tx_buf_t;
   85 
   86 #define QLA_MAX_SEGMENTS        63      /* maximum # of segs in a sg list */
   87 #define QLA_MAX_FRAME_SIZE      MJUM9BYTES
   88 #define QLA_STD_FRAME_SIZE      1514
   89 #define QLA_MAX_TSO_FRAME_SIZE  ((64 * 1024 - 1) + 22)
   90 
   91 /* Number of MSIX/MSI Vectors required */
   92 #define Q8_MSI_COUNT            4
   93 
   94 struct qla_ivec {
   95         struct resource         *irq;
   96         void                    *handle;
   97         int                     irq_rid;
   98         void                    *ha;
   99         struct task             rcv_task;
  100         struct taskqueue        *rcv_tq;
  101 };
  102 
  103 typedef struct qla_ivec qla_ivec_t;
  104 
  105 #define QLA_WATCHDOG_CALLOUT_TICKS      1
  106 
  107 /*
  108  * Adapter structure contains the hardware independant information of the
  109  * pci function.
  110  */
  111 struct qla_host {
  112         volatile struct {
  113                 volatile uint32_t
  114                         qla_watchdog_active  :1,
  115                         qla_watchdog_exit    :1,
  116                         qla_watchdog_pause   :1,
  117                         lro_init        :1,
  118                         stop_rcv        :1,
  119                         link_up         :1,
  120                         parent_tag      :1,
  121                         lock_init       :1;
  122         } flags;
  123 
  124         device_t                pci_dev;
  125 
  126         uint8_t                 pci_func;
  127         uint16_t                watchdog_ticks;
  128         uint8_t                 resvd;
  129 
  130         /* ioctl related */
  131         struct cdev             *ioctl_dev;
  132 
  133         /* register mapping */
  134         struct resource         *pci_reg;
  135         int                     reg_rid;
  136 
  137         /* interrupts */
  138         struct resource         *irq;
  139         int                     msix_count;
  140         void                    *intr_handle;
  141         qla_ivec_t              irq_vec[Q8_MSI_COUNT];
  142         
  143         /* parent dma tag */
  144         bus_dma_tag_t           parent_tag;
  145 
  146         /* interface to o.s */
  147         struct ifnet            *ifp;
  148 
  149         struct ifmedia          media;
  150         uint16_t                max_frame_size;
  151         uint16_t                rsrvd0;
  152         int                     if_flags;
  153 
  154         /* hardware access lock */
  155         struct mtx              hw_lock;
  156         volatile uint32_t       hw_lock_held;
  157 
  158         /* transmit and receive buffers */
  159         qla_tx_buf_t            tx_buf[NUM_TX_DESCRIPTORS];
  160         bus_dma_tag_t           tx_tag;
  161         struct mtx              tx_lock;
  162         struct task             tx_task;
  163         struct taskqueue        *tx_tq;
  164         struct callout          tx_callout;
  165 
  166         qla_rx_buf_t            rx_buf[NUM_RX_DESCRIPTORS];
  167         qla_rx_buf_t            rx_jbuf[NUM_RX_JUMBO_DESCRIPTORS];
  168         bus_dma_tag_t           rx_tag;
  169 
  170         struct mtx              rx_lock;
  171         struct mtx              rxj_lock;
  172 
  173         /* stats */
  174         uint32_t                err_m_getcl;
  175         uint32_t                err_m_getjcl;
  176         uint32_t                err_tx_dmamap_create;
  177         uint32_t                err_tx_dmamap_load;
  178         uint32_t                err_tx_defrag;
  179 
  180         uint64_t                rx_frames;
  181         uint64_t                rx_bytes;
  182 
  183         uint64_t                tx_frames;
  184         uint64_t                tx_bytes;
  185 
  186         uint32_t                fw_ver_major;
  187         uint32_t                fw_ver_minor;
  188         uint32_t                fw_ver_sub;
  189         uint32_t                fw_ver_build;
  190 
  191         /* hardware specific */
  192         qla_hw_t                hw;
  193 
  194         /* debug stuff */
  195         volatile const char     *qla_lock;
  196         volatile const char     *qla_unlock;
  197 };
  198 typedef struct qla_host qla_host_t;
  199 
  200 /* note that align has to be a power of 2 */
  201 #define QL_ALIGN(size, align) (size + (align - 1)) & ~(align - 1);
  202 #define QL_MIN(x, y) ((x < y) ? x : y)
  203 
  204 #define QL_RUNNING(ifp) \
  205                 ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) == \
  206                         IFF_DRV_RUNNING)
  207 
  208 #endif /* #ifndef _QLA_DEF_H_ */

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