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/hptrr/os_bsd.h

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    1 /*
    2  * Copyright (c) HighPoint Technologies, Inc.
    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  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD: releng/11.2/sys/dev/hptrr/os_bsd.h 331722 2018-03-29 02:50:57Z eadler $
   27  */
   28 #include <dev/hptrr/hptrr_config.h>
   29 /* $Id: os_bsd.h,v 1.18 2006/04/11 08:19:02 gmm Exp $
   30  *
   31  * HighPoint RAID Driver for FreeBSD
   32  * Copyright (C) 2005 HighPoint Technologies, Inc. All Rights Reserved.
   33  */
   34 
   35 #ifndef _OS_BSD_H
   36 #define _OS_BSD_H
   37 
   38 #ifndef DBG
   39 #define  DBG    0
   40 #endif
   41 
   42 #include <sys/param.h>
   43 #include <sys/types.h>
   44 #include <sys/cons.h>
   45 #include <sys/time.h>
   46 #include <sys/systm.h> 
   47 
   48 #include <sys/stat.h>
   49 #include <sys/malloc.h>
   50 #include <sys/conf.h>
   51 #include <sys/libkern.h>
   52 #include <sys/kernel.h>
   53 
   54 #include <sys/kthread.h>
   55 #include <sys/mutex.h>
   56 #include <sys/module.h>
   57 
   58 #include <sys/eventhandler.h>
   59 #include <sys/bus.h>
   60 #include <sys/taskqueue.h>
   61 #include <sys/ioccom.h>
   62 
   63 #include <machine/resource.h>
   64 #include <machine/bus.h>
   65 #include <machine/stdarg.h>
   66 #include <sys/rman.h>
   67 
   68 #include <vm/vm.h>
   69 #include <vm/pmap.h>
   70 
   71 #include <dev/pci/pcireg.h>
   72 #include <dev/pci/pcivar.h>
   73 
   74 #include <cam/cam.h>
   75 #include <cam/cam_ccb.h>
   76 #include <cam/cam_sim.h>
   77 #include <cam/cam_xpt_sim.h>
   78 #include <cam/cam_debug.h>
   79 #include <cam/cam_periph.h>
   80 #include <cam/scsi/scsi_all.h>
   81 #include <cam/scsi/scsi_message.h>
   82 
   83 
   84 
   85 typedef struct _INQUIRYDATA {
   86         u_char DeviceType : 5;
   87         u_char DeviceTypeQualifier : 3;
   88         u_char DeviceTypeModifier : 7;
   89         u_char RemovableMedia : 1;
   90         u_char Versions;
   91         u_char ResponseDataFormat;
   92         u_char AdditionalLength;
   93         u_char Reserved[2];
   94         u_char SoftReset : 1;
   95         u_char CommandQueue : 1;
   96         u_char Reserved2 : 1;
   97         u_char LinkedCommands : 1;
   98         u_char Synchronous : 1;
   99         u_char Wide16Bit : 1;
  100         u_char Wide32Bit : 1;
  101         u_char RelativeAddressing : 1;
  102         u_char VendorId[8];
  103         u_char ProductId[16];
  104         u_char ProductRevisionLevel[4];
  105         u_char VendorSpecific[20];
  106         u_char Reserved3[40];
  107 } 
  108 __attribute__((packed))
  109 INQUIRYDATA, *PINQUIRYDATA;
  110 
  111 #endif
  112 
  113 /* private headers */
  114 
  115 #include <dev/hptrr/osm.h>
  116 #include <dev/hptrr/him.h>
  117 #include <dev/hptrr/ldm.h>
  118 
  119 /* driver parameters */
  120 extern char driver_name[];
  121 extern char driver_name_long[];
  122 extern char driver_ver[];
  123 extern int  osm_max_targets;
  124 
  125 /*
  126  * adapter/vbus extensions:
  127  * each physical controller has an adapter_ext, passed to him.create_adapter()
  128  * each vbus has a vbus_ext passed to ldm_create_vbus().
  129  */
  130 #define EXT_TYPE_HBA  1
  131 #define EXT_TYPE_VBUS 2
  132 
  133 typedef struct _hba {
  134         int               ext_type;
  135         LDM_ADAPTER       ldm_adapter;
  136         device_t          pcidev;
  137         PCI_ADDRESS       pciaddr;
  138         struct _vbus_ext *vbus_ext;
  139         struct _hba      *next;
  140         
  141         struct {
  142                 struct resource *res;
  143                 int type;
  144                 int rid;
  145                 void *base;
  146         }
  147         pcibar[6];
  148 
  149         struct resource  *irq_res;
  150         void             *irq_handle;
  151 }
  152 HBA, *PHBA;
  153 
  154 typedef struct _os_cmdext {
  155         struct _vbus_ext  *vbus_ext;
  156         struct _os_cmdext *next;
  157         union ccb         *ccb;
  158         bus_dmamap_t       dma_map;
  159         struct callout     timeout;
  160         SG                 psg[os_max_sg_descriptors];
  161 }
  162 OS_CMDEXT, *POS_CMDEXT;
  163 
  164 typedef struct _vbus_ext {
  165         int               ext_type;
  166         struct _vbus_ext *next;
  167         PHBA              hba_list;
  168         struct freelist  *freelist_head;
  169         struct freelist  *freelist_dma_head;
  170         
  171         struct cam_sim   *sim;    /* sim for this vbus */
  172         struct cam_path  *path;   /* peripheral, path, tgt, lun with this vbus */
  173         struct mtx        lock; /* general purpose lock */
  174         bus_dma_tag_t     io_dmat; /* I/O buffer DMA tag */
  175         
  176         POS_CMDEXT        cmdext_list;
  177 
  178         OSM_TASK         *tasks;
  179         struct task       worker;
  180         
  181         struct callout    timer;
  182 
  183         eventhandler_tag  shutdown_eh;
  184         
  185         /* the LDM vbus instance continues */
  186         unsigned long vbus[0] __attribute__((aligned(sizeof(unsigned long))));
  187 }
  188 VBUS_EXT, *PVBUS_EXT;
  189 
  190 #define hpt_lock_vbus(vbus_ext)   mtx_lock(&(vbus_ext)->lock)
  191 #define hpt_unlock_vbus(vbus_ext) mtx_unlock(&(vbus_ext)->lock)
  192 #define hpt_assert_vbus_locked(vbus_ext)   mtx_assert(&(vbus_ext)->lock, MA_OWNED)
  193 
  194 
  195 #define HPT_OSM_TIMEOUT (20*hz)  /* timeout value for OS commands */
  196 
  197 #define HPT_DO_IOCONTROL        _IOW('H', 0, HPT_IOCTL_PARAM)
  198 
  199 #define HPT_SCAN_BUS            _IO('H', 1)
  200 
  201 #define TASK_ENQUEUE(task)      taskqueue_enqueue(taskqueue_swi,(task));
  202 
  203 static  __inline        int hpt_sleep(PVBUS_EXT vbus_ext, void *ident, int priority, const char *wmesg, int timo)
  204 {
  205         return  msleep(ident, &vbus_ext->lock, priority, wmesg, timo);
  206 }

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