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/hptrr_os_bsd.c

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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: stable/9/sys/dev/hptrr/hptrr_os_bsd.c 267458 2014-06-14 00:54:57Z delphij $
   27  */
   28 #include <dev/hptrr/hptrr_config.h>
   29 /* $Id: os_bsd.c,v 1.11 2005/06/03 14:06:38 kdh Exp $
   30  *
   31  * HighPoint RAID Driver for FreeBSD
   32  * Copyright (C) 2005 HighPoint Technologies, Inc. All Rights Reserved.
   33  */
   34 
   35 #include <dev/hptrr/os_bsd.h>
   36 
   37 /* hardware access */
   38 HPT_U8   os_inb  (void *port) { return inb((unsigned)(HPT_UPTR)port); }
   39 HPT_U16  os_inw  (void *port) { return inw((unsigned)(HPT_UPTR)port); }
   40 HPT_U32  os_inl  (void *port) { return inl((unsigned)(HPT_UPTR)port); }
   41 
   42 void os_outb (void *port, HPT_U8 value) { outb((unsigned)(HPT_UPTR)port, (value)); }
   43 void os_outw (void *port, HPT_U16 value) { outw((unsigned)(HPT_UPTR)port, (value)); }
   44 void os_outl (void *port, HPT_U32 value) { outl((unsigned)(HPT_UPTR)port, (value)); }
   45 
   46 void os_insw (void *port, HPT_U16 *buffer, HPT_U32 count)
   47 { insw((unsigned)(HPT_UPTR)port, (void *)buffer, count); }
   48 
   49 void os_outsw(void *port, HPT_U16 *buffer, HPT_U32 count)
   50 { outsw((unsigned)(HPT_UPTR)port, (void *)buffer, count); }
   51 
   52 HPT_U32 __dummy_reg = 0;
   53 
   54 /* PCI configuration space */
   55 HPT_U8  os_pci_readb (void *osext, HPT_U8 offset)
   56 {
   57     return  pci_read_config(((PHBA)osext)->pcidev, offset, 1);
   58 }
   59 
   60 HPT_U16 os_pci_readw (void *osext, HPT_U8 offset)
   61 {
   62     return  pci_read_config(((PHBA)osext)->pcidev, offset, 2);
   63 }
   64 
   65 HPT_U32 os_pci_readl (void *osext, HPT_U8 offset)
   66 {
   67     return  pci_read_config(((PHBA)osext)->pcidev, offset, 4);
   68 }
   69 
   70 void os_pci_writeb (void *osext, HPT_U8 offset, HPT_U8 value)
   71 {
   72     pci_write_config(((PHBA)osext)->pcidev, offset, value, 1);
   73 }
   74 
   75 void os_pci_writew (void *osext, HPT_U8 offset, HPT_U16 value)
   76 {
   77     pci_write_config(((PHBA)osext)->pcidev, offset, value, 2);
   78 }
   79 
   80 void os_pci_writel (void *osext, HPT_U8 offset, HPT_U32 value)
   81 {
   82     pci_write_config(((PHBA)osext)->pcidev, offset, value, 4);
   83 }
   84 
   85 void *os_map_pci_bar(
   86     void *osext, 
   87     int index,   
   88     HPT_U32 offset,
   89     HPT_U32 length
   90 )
   91 {
   92         PHBA hba = (PHBA)osext;
   93 
   94     hba->pcibar[index].rid = 0x10 + index * 4;
   95     
   96     if (pci_read_config(hba->pcidev, hba->pcibar[index].rid, 4) & 1)
   97         hba->pcibar[index].type = SYS_RES_IOPORT;
   98     else
   99         hba->pcibar[index].type = SYS_RES_MEMORY;
  100 
  101     hba->pcibar[index].res = bus_alloc_resource(hba->pcidev,
  102                 hba->pcibar[index].type, &hba->pcibar[index].rid, 0, ~0, length, RF_ACTIVE);
  103         
  104         hba->pcibar[index].base = (char *)rman_get_virtual(hba->pcibar[index].res) + offset;
  105         return hba->pcibar[index].base;
  106 }
  107 
  108 void os_unmap_pci_bar(void *osext, void *base)
  109 {
  110         PHBA hba = (PHBA)osext;
  111         int index;
  112         
  113         for (index=0; index<6; index++) {
  114                 if (hba->pcibar[index].base==base) {
  115                         bus_release_resource(hba->pcidev, hba->pcibar[index].type,
  116                                 hba->pcibar[index].rid, hba->pcibar[index].res);
  117                         hba->pcibar[index].base = 0;
  118                         return;
  119                 }
  120         }
  121 }
  122 
  123 void freelist_reserve(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT count)
  124 {
  125     PVBUS_EXT vbus_ext = osext;
  126 
  127     if (vbus_ext->ext_type!=EXT_TYPE_VBUS)
  128         vbus_ext = ((PHBA)osext)->vbus_ext;
  129 
  130     list->next = vbus_ext->freelist_head;
  131     vbus_ext->freelist_head = list;
  132     list->dma = 0;
  133     list->size = size;
  134     list->head = 0;
  135 #if DBG
  136     list->reserved_count =
  137 #endif
  138     list->count = count;
  139 }
  140 
  141 void *freelist_get(struct freelist *list)
  142 {
  143     void * result;
  144     if (list->count) {
  145         HPT_ASSERT(list->head);
  146         result = list->head;
  147         list->head = *(void **)result;
  148         list->count--;
  149         return result;
  150     }
  151     return 0;
  152 }
  153 
  154 void freelist_put(struct freelist * list, void *p)
  155 {
  156     HPT_ASSERT(list->dma==0);
  157     list->count++;
  158     *(void **)p = list->head;
  159     list->head = p;
  160 }
  161 
  162 void freelist_reserve_dma(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT alignment, HPT_UINT count)
  163 {
  164     PVBUS_EXT vbus_ext = osext;
  165 
  166     if (vbus_ext->ext_type!=EXT_TYPE_VBUS)
  167         vbus_ext = ((PHBA)osext)->vbus_ext;
  168 
  169     list->next = vbus_ext->freelist_dma_head;
  170     vbus_ext->freelist_dma_head = list;
  171     list->dma = 1;
  172     list->alignment = alignment;
  173     list->size = size;
  174     list->head = 0;
  175 #if DBG
  176     list->reserved_count =
  177 #endif
  178     list->count = count;
  179 }
  180 
  181 void *freelist_get_dma(struct freelist *list, BUS_ADDRESS *busaddr)
  182 {
  183     void *result;
  184     HPT_ASSERT(list->dma);
  185     result = freelist_get(list);
  186     if (result)
  187         *busaddr = *(BUS_ADDRESS *)((void **)result+1);
  188     return result;
  189 }
  190 
  191 void freelist_put_dma(struct freelist *list, void *p, BUS_ADDRESS busaddr)
  192 {
  193     HPT_ASSERT(list->dma);
  194     list->count++;
  195     *(void **)p = list->head;
  196     *(BUS_ADDRESS *)((void **)p+1) = busaddr;
  197     list->head = p;
  198 }
  199 
  200 HPT_U32 os_get_stamp(void)
  201 {
  202     HPT_U32 stamp;
  203     do { stamp = random(); } while (stamp==0);
  204     return stamp;
  205 }
  206 
  207 void os_stallexec(HPT_U32 microseconds)
  208 {
  209     DELAY(microseconds);
  210 }
  211 
  212 static void os_timer_for_ldm(void *arg)
  213 {
  214         PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
  215         ldm_on_timer((PVBUS)vbus_ext->vbus);
  216 }
  217 
  218 void  os_request_timer(void * osext, HPT_U32 interval)
  219 {
  220         PVBUS_EXT vbus_ext = osext;
  221 
  222         HPT_ASSERT(vbus_ext->ext_type==EXT_TYPE_VBUS);
  223         
  224         untimeout(os_timer_for_ldm, vbus_ext, vbus_ext->timer);
  225         vbus_ext->timer = timeout(os_timer_for_ldm, vbus_ext, interval * hz / 1000000);
  226 }
  227 
  228 HPT_TIME os_query_time(void)
  229 {
  230         return ticks * (1000000 / hz);
  231 }
  232 
  233 void os_schedule_task(void *osext, OSM_TASK *task)
  234 {
  235         PVBUS_EXT vbus_ext = osext;
  236         
  237         HPT_ASSERT(task->next==0);
  238         
  239         if (vbus_ext->tasks==0)
  240                 vbus_ext->tasks = task;
  241         else {
  242                 OSM_TASK *t = vbus_ext->tasks;
  243                 while (t->next) t = t->next;
  244                 t->next = task;
  245         }
  246 
  247         if (vbus_ext->worker.ta_context)
  248                 TASK_ENQUEUE(&vbus_ext->worker);
  249 }
  250 
  251 int os_revalidate_device(void *osext, int id)
  252 {
  253 
  254     return 0;
  255 }
  256 
  257 int os_query_remove_device(void *osext, int id)
  258 {
  259         return 0;
  260 }
  261 
  262 HPT_U8 os_get_vbus_seq(void *osext)
  263 {
  264     return ((PVBUS_EXT)osext)->sim->path_id;
  265 }
  266 
  267 int  os_printk(char *fmt, ...)
  268 {
  269     va_list args;
  270     static char buf[512];
  271 
  272     va_start(args, fmt);
  273     vsnprintf(buf, sizeof(buf), fmt, args);
  274     va_end(args);
  275     return printf("%s: %s\n", driver_name, buf);
  276 }
  277 
  278 #if DBG
  279 void os_check_stack(const char *location, int size){}
  280 
  281 void __os_dbgbreak(const char *file, int line)
  282 {
  283     printf("*** break at %s:%d ***", file, line);
  284     while (1);
  285 }
  286 
  287 int hptrr_dbg_level = 1;
  288 #endif

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