patch-2.4.3 linux/drivers/scsi/aic7xxx_proc.c

• Lines: 414
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.4.2/linux/drivers/scsi/aic7xxx_proc.c
• Orig date: Wed Jun 21 17:25:03 2000

diff -u --recursive --new-file v2.4.2/linux/drivers/scsi/aic7xxx_proc.c linux/drivers/scsi/aic7xxx_proc.c
@@ -1,413 +0,0 @@
-/*+M*************************************************************************
- * Adaptec AIC7xxx device driver proc support for Linux.
- *
- * Copyright (c) 1995, 1996 Dean W. Gehnert
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; see the file COPYING.  If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * ----------------------------------------------------------------
- *  o Modified from the EATA-DMA /proc support.
- *  o Additional support for device block statistics provided by
- *    Matthew Jacob.
- *  o Correction of overflow by Heinz Mauelshagen
- *  o Adittional corrections by Doug Ledford
- *
- *  Dean W. Gehnert, deang@teleport.com, 05/01/96
- *
- *  $Id: aic7xxx_proc.c,v 4.1 1997/06/97 08:23:42 deang Exp $
- *-M*************************************************************************/
-
-#include <linux/config.h>
-
-#define	BLS	(&aic7xxx_buffer[size])
-#define HDRB \
-"             < 2K      2K+     4K+     8K+    16K+    32K+    64K+   128K+"
-
-#ifdef PROC_DEBUG
-extern int vsprintf(char *, const char *, va_list);
-
-static void
-proc_debug(const char *fmt, ...)
-{
-  va_list ap;
-  char buf[256];
-
-  va_start(ap, fmt);
-  vsprintf(buf, fmt, ap);
-  printk(buf);
-  va_end(ap);
-}
-#else /* PROC_DEBUG */
-#  define proc_debug(fmt, args...)
-#endif /* PROC_DEBUG */
-
-static int aic7xxx_buffer_size = 0;
-static char *aic7xxx_buffer = NULL;
-
-
-/*+F*************************************************************************
- * Function:
- *   aic7xxx_set_info
- *
- * Description:
- *   Set parameters for the driver from the /proc filesystem.
- *-F*************************************************************************/
-int
-aic7xxx_set_info(char *buffer, int length, struct Scsi_Host *HBAptr)
-{
-  proc_debug("aic7xxx_set_info(): %s\n", buffer);
-  return (-ENOSYS);  /* Currently this is a no-op */
-}
-
-
-/*+F*************************************************************************
- * Function:
- *   aic7xxx_proc_info
- *
- * Description:
- *   Return information to handle /proc support for the driver.
- *-F*************************************************************************/
-int
-aic7xxx_proc_info ( char *buffer, char **start, off_t offset, int length, 
-                    int hostno, int inout)
-{
-  struct Scsi_Host *HBAptr;
-  struct aic7xxx_host *p;
-  int    size = 0;
-  unsigned char i;
-  struct aic7xxx_xferstats *sp;
-  unsigned char target;
-
-  HBAptr = NULL;
-
-  for(p=first_aic7xxx; p->host->host_no != hostno; p=p->next)
-    ;
-
-  if (!p)
-  {
-    size += sprintf(buffer, "Can't find adapter for host number %d\n", hostno);
-    if (size > length)
-    {
-      return (size);
-    }
-    else
-    {
-      return (length);
-    }
-  }
-
-  HBAptr = p->host;
-
-  if (inout == TRUE) /* Has data been written to the file? */ 
-  {
-    return (aic7xxx_set_info(buffer, length, HBAptr));
-  }
-
-  p = (struct aic7xxx_host *) HBAptr->hostdata;
-
-  /*
-   * It takes roughly 1K of space to hold all relevant card info, not
-   * counting any proc stats, so we start out with a 1.5k buffer size and
-   * if proc_stats is defined, then we sweep the stats structure to see
-   * how many drives we will be printing out for and add 384 bytes per
-   * device with active stats.
-   *
-   * Hmmmm...that 1.5k seems to keep growing as items get added so they
-   * can be easily viewed for debugging purposes.  So, we bumped that
-   * 1.5k to 4k so we can quit having to bump it all the time.
-   */
-
-  size = 4096;
-  for (target = 0; target < MAX_TARGETS; target++)
-  {
-    if (p->dev_flags[target] & DEVICE_PRESENT)
-#ifdef AIC7XXX_PROC_STATS
-      size += 512;
-#else
-      size += 256;
-#endif
-  }
-  if (aic7xxx_buffer_size != size)
-  {
-    if (aic7xxx_buffer != NULL) 
-    {
-      kfree(aic7xxx_buffer);
-      aic7xxx_buffer_size = 0;
-    }
-    aic7xxx_buffer = kmalloc(size, GFP_KERNEL);
-  }
-  if (aic7xxx_buffer == NULL)
-  {
-    size = sprintf(buffer, "AIC7xxx - kmalloc error at line %d\n",
-        __LINE__);
-    return size;
-  }
-  aic7xxx_buffer_size = size;
-
-  size = 0;
-  size += sprintf(BLS, "Adaptec AIC7xxx driver version: ");
-  size += sprintf(BLS, "%s/", AIC7XXX_C_VERSION);
-  size += sprintf(BLS, "%s", AIC7XXX_H_VERSION);
-  size += sprintf(BLS, "\n");
-  size += sprintf(BLS, "Compile Options:\n");
-#ifdef CONFIG_AIC7XXX_TCQ_ON_BY_DEFAULT
-  size += sprintf(BLS, "  TCQ Enabled By Default : Enabled\n");
-#else
-  size += sprintf(BLS, "  TCQ Enabled By Default : Disabled\n");
-#endif
-#ifdef AIC7XXX_PROC_STATS
-  size += sprintf(BLS, "  AIC7XXX_PROC_STATS     : Enabled\n");
-#else
-  size += sprintf(BLS, "  AIC7XXX_PROC_STATS     : Disabled\n");
-#endif
-  size += sprintf(BLS, "\n");
-  size += sprintf(BLS, "Adapter Configuration:\n");
-  size += sprintf(BLS, "           SCSI Adapter: %s\n",
-      board_names[p->board_name_index]);
-  if (p->flags & AHC_TWIN)
-    size += sprintf(BLS, "                         Twin Channel Controller ");
-  else
-  {
-    char *channel = "";
-    char *ultra = "";
-    char *wide = "Narrow ";
-    if (p->flags & AHC_MULTI_CHANNEL)
-    {
-      channel = " Channel A";
-      if (p->flags & (AHC_CHNLB|AHC_CHNLC))
-        channel = (p->flags & AHC_CHNLB) ? " Channel B" : " Channel C";
-    }
-    if (p->features & AHC_WIDE)
-      wide = "Wide ";
-    if (p->features & AHC_ULTRA3)
-    {
-      switch(p->chip & AHC_CHIPID_MASK)
-      {
-        case AHC_AIC7892:
-        case AHC_AIC7899:
-          ultra = "Ultra-160/m LVD/SE ";
-          break;
-        default:
-          ultra = "Ultra-3 LVD/SE ";
-          break;
-      }
-    }
-    else if (p->features & AHC_ULTRA2)
-      ultra = "Ultra-2 LVD/SE ";
-    else if (p->features & AHC_ULTRA)
-      ultra = "Ultra ";
-    size += sprintf(BLS, "                           %s%sController%s ",
-      ultra, wide, channel);
-  }
-  switch(p->chip & ~AHC_CHIPID_MASK)
-  {
-    case AHC_VL:
-      size += sprintf(BLS, "at VLB slot %d\n", p->pci_device_fn);
-      break;
-    case AHC_EISA:
-      size += sprintf(BLS, "at EISA slot %d\n", p->pci_device_fn);
-      break;
-    default:
-      size += sprintf(BLS, "at PCI %d/%d/%d\n", p->pci_bus,
-        PCI_SLOT(p->pci_device_fn), PCI_FUNC(p->pci_device_fn));
-      break;
-  }
-  if( !(p->maddr) )
-  {
-    size += sprintf(BLS, "    Programmed I/O Base: %lx\n", p->base);
-  }
-  else
-  {
-    size += sprintf(BLS, "    PCI MMAPed I/O Base: 0x%lx\n", p->mbase);
-  }
-  if( (p->chip & (AHC_VL | AHC_EISA)) )
-  {
-    size += sprintf(BLS, "    BIOS Memory Address: 0x%08x\n", p->bios_address);
-  }
-  size += sprintf(BLS, " Adapter SEEPROM Config: %s\n",
-          (p->flags & AHC_SEEPROM_FOUND) ? "SEEPROM found and used." :
-         ((p->flags & AHC_USEDEFAULTS) ? "SEEPROM not found, using defaults." :
-           "SEEPROM not found, using leftover BIOS values.") );
-  size += sprintf(BLS, "      Adaptec SCSI BIOS: %s\n",
-          (p->flags & AHC_BIOS_ENABLED) ? "Enabled" : "Disabled");
-  size += sprintf(BLS, "                    IRQ: %d\n", HBAptr->irq);
-  size += sprintf(BLS, "                   SCBs: Active %d, Max Active %d,\n",
-            p->activescbs, p->max_activescbs);
-  size += sprintf(BLS, "                         Allocated %d, HW %d, "
-            "Page %d\n", p->scb_data->numscbs, p->scb_data->maxhscbs,
-            p->scb_data->maxscbs);
-  if (p->flags & AHC_EXTERNAL_SRAM)
-    size += sprintf(BLS, "                         Using External SCB SRAM\n");
-  size += sprintf(BLS, "             Interrupts: %ld", p->isr_count);
-  if (p->chip & AHC_EISA)
-  {
-    size += sprintf(BLS, " %s\n",
-        (p->pause & IRQMS) ? "(Level Sensitive)" : "(Edge Triggered)");
-  }
-  else
-  {
-    size += sprintf(BLS, "\n");
-  }
-  size += sprintf(BLS, "      BIOS Control Word: 0x%04x\n",
-            p->bios_control);
-  size += sprintf(BLS, "   Adapter Control Word: 0x%04x\n",
-            p->adapter_control);
-  size += sprintf(BLS, "   Extended Translation: %sabled\n",
-      (p->flags & AHC_EXTEND_TRANS_A) ? "En" : "Dis");
-  size += sprintf(BLS, "Disconnect Enable Flags: 0x%04x\n", p->discenable);
-  if (p->features & (AHC_ULTRA | AHC_ULTRA2))
-  {
-    size += sprintf(BLS, "     Ultra Enable Flags: 0x%04x\n", p->ultraenb);
-  }
-  size += sprintf(BLS, " Tag Queue Enable Flags: 0x%04x\n", p->tagenable);
-  size += sprintf(BLS, "Ordered Queue Tag Flags: 0x%04x\n", p->orderedtag);
-  size += sprintf(BLS, "Default Tag Queue Depth: %d\n", AIC7XXX_CMDS_PER_DEVICE);
-  size += sprintf(BLS, "    Tagged Queue By Device array for aic7xxx host "
-                       "instance %d:\n", p->instance);
-  size += sprintf(BLS, "      {");
-  for(i=0; i < (MAX_TARGETS - 1); i++)
-    size += sprintf(BLS, "%d,",aic7xxx_tag_info[p->instance].tag_commands[i]);
-  size += sprintf(BLS, "%d}\n",aic7xxx_tag_info[p->instance].tag_commands[i]);
-  size += sprintf(BLS, "    Actual queue depth per device for aic7xxx host "
-                       "instance %d:\n", p->instance);
-  size += sprintf(BLS, "      {");
-  for(i=0; i < (MAX_TARGETS - 1); i++)
-    size += sprintf(BLS, "%d,", p->dev_max_queue_depth[i]);
-  size += sprintf(BLS, "%d}\n", p->dev_max_queue_depth[i]);
-
-  size += sprintf(BLS, "\n");
-  size += sprintf(BLS, "Statistics:\n\n");
-  for (target = 0; target < MAX_TARGETS; target++)
-  {
-    sp = &p->stats[target];
-    if ((p->dev_flags[target] & DEVICE_PRESENT) == 0)
-    {
-      continue;
-    }
-    if (p->features & AHC_TWIN)
-    {
-      size += sprintf(BLS, "(scsi%d:%d:%d:%d)\n",
-          p->host_no, (target >> 3), (target & 0x7), 0);
-    }
-    else
-    {
-      size += sprintf(BLS, "(scsi%d:%d:%d:%d)\n",
-          p->host_no, 0, target, 0);
-    }
-    size += sprintf(BLS, "  Device using %s/%s",
-          (p->transinfo[target].cur_width == MSG_EXT_WDTR_BUS_16_BIT) ?
-          "Wide" : "Narrow",
-          (p->transinfo[target].cur_offset != 0) ?
-          "Sync transfers at " : "Async transfers.\n" );
-    if (p->transinfo[target].cur_offset != 0)
-    {
-      struct aic7xxx_syncrate *sync_rate;
-      unsigned char options = p->transinfo[target].cur_options;
-      int period = p->transinfo[target].cur_period;
-      int rate = (p->transinfo[target].cur_width ==
-                  MSG_EXT_WDTR_BUS_16_BIT) ? 1 : 0;
-
-      sync_rate = aic7xxx_find_syncrate(p, &period, 0, &options);
-      if (sync_rate != NULL)
-      {
-        size += sprintf(BLS, "%s MByte/sec, offset %d\n",
-                        sync_rate->rate[rate],
-                        p->transinfo[target].cur_offset );
-      }
-      else
-      {
-        size += sprintf(BLS, "3.3 MByte/sec, offset %d\n",
-                        p->transinfo[target].cur_offset );
-      }
-    }
-    size += sprintf(BLS, "  Transinfo settings: ");
-    size += sprintf(BLS, "current(%d/%d/%d/%d), ",
-                    p->transinfo[target].cur_period,
-                    p->transinfo[target].cur_offset,
-                    p->transinfo[target].cur_width,
-                    p->transinfo[target].cur_options);
-    size += sprintf(BLS, "goal(%d/%d/%d/%d), ",
-                    p->transinfo[target].goal_period,
-                    p->transinfo[target].goal_offset,
-                    p->transinfo[target].goal_width,
-                    p->transinfo[target].goal_options);
-    size += sprintf(BLS, "user(%d/%d/%d/%d)\n",
-                    p->transinfo[target].user_period,
-                    p->transinfo[target].user_offset,
-                    p->transinfo[target].user_width,
-                    p->transinfo[target].user_options);
-#ifdef AIC7XXX_PROC_STATS
-    size += sprintf(BLS, "  Total transfers %ld (%ld reads and %ld writes)\n",
-        sp->r_total + sp->w_total, sp->r_total, sp->w_total);
-    size += sprintf(BLS, "%s\n", HDRB);
-    size += sprintf(BLS, "   Reads:");
-    for (i = 0; i < NUMBER(sp->r_bins); i++)
-    {
-      size += sprintf(BLS, " %7ld", sp->r_bins[i]);
-    }
-    size += sprintf(BLS, "\n");
-    size += sprintf(BLS, "  Writes:");
-    for (i = 0; i < NUMBER(sp->w_bins); i++)
-    {
-      size += sprintf(BLS, " %7ld", sp->w_bins[i]);
-    }
-    size += sprintf(BLS, "\n");
-#else
-    size += sprintf(BLS, "  Total transfers %ld (%ld reads and %ld writes)\n",
-        sp->r_total + sp->w_total, sp->r_total, sp->w_total);
-#endif /* AIC7XXX_PROC_STATS */
-    size += sprintf(BLS, "\n\n");
-  }
-
-  if (size >= aic7xxx_buffer_size)
-  {
-    printk(KERN_WARNING "aic7xxx: Overflow in aic7xxx_proc.c\n");
-  }
-
-  if (offset > size - 1)
-  {
-    kfree(aic7xxx_buffer);
-    aic7xxx_buffer = NULL;
-    aic7xxx_buffer_size = length = 0;
-    *start = NULL;
-  }
-  else
-  {
-    *start = buffer;
-    length = MIN(length, size - offset);
-    memcpy(buffer, &aic7xxx_buffer[offset], length);
-  }
-
-  return (length);
-}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-indent-level: 2
- * c-brace-imaginary-offset: 0
- * c-brace-offset: -2
- * c-argdecl-indent: 2
- * c-label-offset: -2
- * c-continued-statement-offset: 2
- * c-continued-brace-offset: 0
- * indent-tabs-mode: nil
- * tab-width: 8
- * End:
- */