drivers/scsi/aic7xxx_old/aic7xxx_proc.c

   1 /*+M*************************************************************************
   2  * Adaptec AIC7xxx device driver proc support for Linux.
   3  *
   4  * Copyright (c) 1995, 1996 Dean W. Gehnert
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2, or (at your option)
   9  * any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; see the file COPYING.  If not, write to
  18  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  19  *
  20  * ----------------------------------------------------------------
  21  *  o Modified from the EATA-DMA /proc support.
  22  *  o Additional support for device block statistics provided by
  23  *    Matthew Jacob.
  24  *  o Correction of overflow by Heinz Mauelshagen
  25  *  o Adittional corrections by Doug Ledford
  26  *
  27  *  Dean W. Gehnert, deang@teleport.com, 05/01/96
  28  *
  29  *  $Id: aic7xxx_proc.c,v 4.1 1997/06/97 08:23:42 deang Exp $
  30  *-M*************************************************************************/
  31
  32
  33 #define HDRB \
  34 "               0 - 4K   4 - 16K   16 - 64K  64 - 256K  256K - 1M        1M+"
  35
  36
  37 /*+F*************************************************************************
  38  * Function:
  39  *   aic7xxx_show_info
  40  *
  41  * Description:
  42  *   Return information to handle /proc support for the driver.
  43  *-F*************************************************************************/
  44 int
  45 aic7xxx_show_info(struct seq_file *m, struct Scsi_Host *HBAptr)
  46 {
  47   struct aic7xxx_host *p;
  48   struct aic_dev_data *aic_dev;
  49   struct scsi_device *sdptr;
  50   unsigned char i;
  51   unsigned char tindex;
  52
  53   for(p=first_aic7xxx; p && p->host != HBAptr; p=p->next)
  54     ;
  55
  56   if (!p)
  57   {
  58     seq_printf(m, "Can't find adapter for host number %d\n", HBAptr->host_no);
  59     return 0;
  60   }
  61
  62   p = (struct aic7xxx_host *) HBAptr->hostdata;
  63
  64   seq_printf(m, "Adaptec AIC7xxx driver version: ");
  65   seq_printf(m, "%s/", AIC7XXX_C_VERSION);
  66   seq_printf(m, "%s", AIC7XXX_H_VERSION);
  67   seq_printf(m, "\n");
  68   seq_printf(m, "Adapter Configuration:\n");
  69   seq_printf(m, "           SCSI Adapter: %s\n",
  70       board_names[p->board_name_index]);
  71   if (p->flags & AHC_TWIN)
  72     seq_printf(m, "                         Twin Channel Controller ");
  73   else
  74   {
  75     char *channel = "";
  76     char *ultra = "";
  77     char *wide = "Narrow ";
  78     if (p->flags & AHC_MULTI_CHANNEL)
  79     {
  80       channel = " Channel A";
  81       if (p->flags & (AHC_CHNLB|AHC_CHNLC))
  82         channel = (p->flags & AHC_CHNLB) ? " Channel B" : " Channel C";
  83     }
  84     if (p->features & AHC_WIDE)
  85       wide = "Wide ";
  86     if (p->features & AHC_ULTRA3)
  87     {
  88       switch(p->chip & AHC_CHIPID_MASK)
  89       {
  90         case AHC_AIC7892:
  91         case AHC_AIC7899:
  92           ultra = "Ultra-160/m LVD/SE ";
  93           break;
  94         default:
  95           ultra = "Ultra-3 LVD/SE ";
  96           break;
  97       }
  98     }
  99     else if (p->features & AHC_ULTRA2)
 100       ultra = "Ultra-2 LVD/SE ";
 101     else if (p->features & AHC_ULTRA)
 102       ultra = "Ultra ";
 103     seq_printf(m, "                           %s%sController%s ",
 104       ultra, wide, channel);
 105   }
 106   switch(p->chip & ~AHC_CHIPID_MASK)
 107   {
 108     case AHC_VL:
 109       seq_printf(m, "at VLB slot %d\n", p->pci_device_fn);
 110       break;
 111     case AHC_EISA:
 112       seq_printf(m, "at EISA slot %d\n", p->pci_device_fn);
 113       break;
 114     default:
 115       seq_printf(m, "at PCI %d/%d/%d\n", p->pci_bus,
 116         PCI_SLOT(p->pci_device_fn), PCI_FUNC(p->pci_device_fn));
 117       break;
 118   }
 119   if( !(p->maddr) )
 120   {
 121     seq_printf(m, "    Programmed I/O Base: %lx\n", p->base);
 122   }
 123   else
 124   {
 125     seq_printf(m, "    PCI MMAPed I/O Base: 0x%lx\n", p->mbase);
 126   }
 127   if( (p->chip & (AHC_VL | AHC_EISA)) )
 128   {
 129     seq_printf(m, "    BIOS Memory Address: 0x%08x\n", p->bios_address);
 130   }
 131   seq_printf(m, " Adapter SEEPROM Config: %s\n",
 132           (p->flags & AHC_SEEPROM_FOUND) ? "SEEPROM found and used." :
 133          ((p->flags & AHC_USEDEFAULTS) ? "SEEPROM not found, using defaults." :
 134            "SEEPROM not found, using leftover BIOS values.") );
 135   seq_printf(m, "      Adaptec SCSI BIOS: %s\n",
 136           (p->flags & AHC_BIOS_ENABLED) ? "Enabled" : "Disabled");
 137   seq_printf(m, "                    IRQ: %d\n", HBAptr->irq);
 138   seq_printf(m, "                   SCBs: Active %d, Max Active %d,\n",
 139             p->activescbs, p->max_activescbs);
 140   seq_printf(m, "                         Allocated %d, HW %d, "
 141             "Page %d\n", p->scb_data->numscbs, p->scb_data->maxhscbs,
 142             p->scb_data->maxscbs);
 143   if (p->flags & AHC_EXTERNAL_SRAM)
 144     seq_printf(m, "                         Using External SCB SRAM\n");
 145   seq_printf(m, "             Interrupts: %ld", p->isr_count);
 146   if (p->chip & AHC_EISA)
 147   {
 148     seq_printf(m, " %s\n",
 149         (p->pause & IRQMS) ? "(Level Sensitive)" : "(Edge Triggered)");
 150   }
 151   else
 152   {
 153     seq_printf(m, "\n");
 154   }
 155   seq_printf(m, "      BIOS Control Word: 0x%04x\n",
 156             p->bios_control);
 157   seq_printf(m, "   Adapter Control Word: 0x%04x\n",
 158             p->adapter_control);
 159   seq_printf(m, "   Extended Translation: %sabled\n",
 160       (p->flags & AHC_EXTEND_TRANS_A) ? "En" : "Dis");
 161   seq_printf(m, "Disconnect Enable Flags: 0x%04x\n", p->discenable);
 162   if (p->features & (AHC_ULTRA | AHC_ULTRA2))
 163   {
 164     seq_printf(m, "     Ultra Enable Flags: 0x%04x\n", p->ultraenb);
 165   }
 166   seq_printf(m, "Default Tag Queue Depth: %d\n", aic7xxx_default_queue_depth);
 167   seq_printf(m, "    Tagged Queue By Device array for aic7xxx host "
 168                        "instance %d:\n", p->instance);
 169   seq_printf(m, "      {");
 170   for(i=0; i < (MAX_TARGETS - 1); i++)
 171     seq_printf(m, "%d,",aic7xxx_tag_info[p->instance].tag_commands[i]);
 172   seq_printf(m, "%d}\n",aic7xxx_tag_info[p->instance].tag_commands[i]);
 173
 174   seq_printf(m, "\n");
 175   seq_printf(m, "Statistics:\n\n");
 176   list_for_each_entry(aic_dev, &p->aic_devs, list)
 177   {
 178     sdptr = aic_dev->SDptr;
 179     tindex = sdptr->channel << 3 | sdptr->id;
 180     seq_printf(m, "(scsi%d:%d:%d:%d)\n",
 181         p->host_no, sdptr->channel, sdptr->id, sdptr->lun);
 182     seq_printf(m, "  Device using %s/%s",
 183           (aic_dev->cur.width == MSG_EXT_WDTR_BUS_16_BIT) ?
 184           "Wide" : "Narrow",
 185           (aic_dev->cur.offset != 0) ?
 186           "Sync transfers at " : "Async transfers.\n" );
 187     if (aic_dev->cur.offset != 0)
 188     {
 189       struct aic7xxx_syncrate *sync_rate;
 190       unsigned char options = aic_dev->cur.options;
 191       int period = aic_dev->cur.period;
 192       int rate = (aic_dev->cur.width ==
 193                   MSG_EXT_WDTR_BUS_16_BIT) ? 1 : 0;
 194
 195       sync_rate = aic7xxx_find_syncrate(p, &period, 0, &options);
 196       if (sync_rate != NULL)
 197       {
 198         seq_printf(m, "%s MByte/sec, offset %d\n",
 199                         sync_rate->rate[rate],
 200                         aic_dev->cur.offset );
 201       }
 202       else
 203       {
 204         seq_printf(m, "3.3 MByte/sec, offset %d\n",
 205                         aic_dev->cur.offset );
 206       }
 207     }
 208     seq_printf(m, "  Transinfo settings: ");
 209     seq_printf(m, "current(%d/%d/%d/%d), ",
 210                     aic_dev->cur.period,
 211                     aic_dev->cur.offset,
 212                     aic_dev->cur.width,
 213                     aic_dev->cur.options);
 214     seq_printf(m, "goal(%d/%d/%d/%d), ",
 215                     aic_dev->goal.period,
 216                     aic_dev->goal.offset,
 217                     aic_dev->goal.width,
 218                     aic_dev->goal.options);
 219     seq_printf(m, "user(%d/%d/%d/%d)\n",
 220                     p->user[tindex].period,
 221                     p->user[tindex].offset,
 222                     p->user[tindex].width,
 223                     p->user[tindex].options);
 224     if(sdptr->simple_tags)
 225     {
 226       seq_printf(m, "  Tagged Command Queueing Enabled, Ordered Tags %s, Depth %d/%d\n", sdptr->ordered_tags ? "Enabled" : "Disabled", sdptr->queue_depth, aic_dev->max_q_depth);
 227     }
 228     if(aic_dev->barrier_total)
 229       seq_printf(m, "  Total transfers %ld:\n    (%ld/%ld/%ld/%ld reads/writes/REQ_BARRIER/Ordered Tags)\n",
 230         aic_dev->r_total+aic_dev->w_total, aic_dev->r_total, aic_dev->w_total,
 231         aic_dev->barrier_total, aic_dev->ordered_total);
 232     else
 233       seq_printf(m, "  Total transfers %ld:\n    (%ld/%ld reads/writes)\n",
 234         aic_dev->r_total+aic_dev->w_total, aic_dev->r_total, aic_dev->w_total);
 235     seq_printf(m, "%s\n", HDRB);
 236     seq_printf(m, "   Reads:");
 237     for (i = 0; i < ARRAY_SIZE(aic_dev->r_bins); i++)
 238     {
 239       seq_printf(m, " %10ld", aic_dev->r_bins[i]);
 240     }
 241     seq_printf(m, "\n");
 242     seq_printf(m, "  Writes:");
 243     for (i = 0; i < ARRAY_SIZE(aic_dev->w_bins); i++)
 244     {
 245       seq_printf(m, " %10ld", aic_dev->w_bins[i]);
 246     }
 247     seq_printf(m, "\n");
 248     seq_printf(m, "\n\n");
 249   }
 250   return 0;
 251 }
 252
 253 /*
 254  * Overrides for Emacs so that we follow Linus's tabbing style.
 255  * Emacs will notice this stuff at the end of the file and automatically
 256  * adjust the settings for this buffer only.  This must remain at the end
 257  * of the file.
 258  * ---------------------------------------------------------------------------
 259  * Local variables:
 260  * c-indent-level: 2
 261  * c-brace-imaginary-offset: 0
 262  * c-brace-offset: -2
 263  * c-argdecl-indent: 2
 264  * c-label-offset: -2
 265  * c-continued-statement-offset: 2
 266  * c-continued-brace-offset: 0
 267  * indent-tabs-mode: nil
 268  * tab-width: 8
 269  * End:
 270  */