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linux_dsm_epyc7002/drivers/scsi/aic7xxx_old/aic7xxx_proc.c
Al Viro f0002e95a4 aix7xxx_old: switch to ->show_info() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-04-09 14:13:28 -04:00

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9.3 KiB
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/*+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*************************************************************************/
#define HDRB \
" 0 - 4K 4 - 16K 16 - 64K 64 - 256K 256K - 1M 1M+"
/*+F*************************************************************************
* Function:
* aic7xxx_show_info
*
* Description:
* Return information to handle /proc support for the driver.
*-F*************************************************************************/
int
aic7xxx_show_info(struct seq_file *m, struct Scsi_Host *HBAptr)
{
struct aic7xxx_host *p;
struct aic_dev_data *aic_dev;
struct scsi_device *sdptr;
unsigned char i;
unsigned char tindex;
for(p=first_aic7xxx; p && p->host != HBAptr; p=p->next)
;
if (!p)
{
seq_printf(m, "Can't find adapter for host number %d\n", HBAptr->host_no);
return 0;
}
p = (struct aic7xxx_host *) HBAptr->hostdata;
seq_printf(m, "Adaptec AIC7xxx driver version: ");
seq_printf(m, "%s/", AIC7XXX_C_VERSION);
seq_printf(m, "%s", AIC7XXX_H_VERSION);
seq_printf(m, "\n");
seq_printf(m, "Adapter Configuration:\n");
seq_printf(m, " SCSI Adapter: %s\n",
board_names[p->board_name_index]);
if (p->flags & AHC_TWIN)
seq_printf(m, " 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 ";
seq_printf(m, " %s%sController%s ",
ultra, wide, channel);
}
switch(p->chip & ~AHC_CHIPID_MASK)
{
case AHC_VL:
seq_printf(m, "at VLB slot %d\n", p->pci_device_fn);
break;
case AHC_EISA:
seq_printf(m, "at EISA slot %d\n", p->pci_device_fn);
break;
default:
seq_printf(m, "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) )
{
seq_printf(m, " Programmed I/O Base: %lx\n", p->base);
}
else
{
seq_printf(m, " PCI MMAPed I/O Base: 0x%lx\n", p->mbase);
}
if( (p->chip & (AHC_VL | AHC_EISA)) )
{
seq_printf(m, " BIOS Memory Address: 0x%08x\n", p->bios_address);
}
seq_printf(m, " 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.") );
seq_printf(m, " Adaptec SCSI BIOS: %s\n",
(p->flags & AHC_BIOS_ENABLED) ? "Enabled" : "Disabled");
seq_printf(m, " IRQ: %d\n", HBAptr->irq);
seq_printf(m, " SCBs: Active %d, Max Active %d,\n",
p->activescbs, p->max_activescbs);
seq_printf(m, " 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)
seq_printf(m, " Using External SCB SRAM\n");
seq_printf(m, " Interrupts: %ld", p->isr_count);
if (p->chip & AHC_EISA)
{
seq_printf(m, " %s\n",
(p->pause & IRQMS) ? "(Level Sensitive)" : "(Edge Triggered)");
}
else
{
seq_printf(m, "\n");
}
seq_printf(m, " BIOS Control Word: 0x%04x\n",
p->bios_control);
seq_printf(m, " Adapter Control Word: 0x%04x\n",
p->adapter_control);
seq_printf(m, " Extended Translation: %sabled\n",
(p->flags & AHC_EXTEND_TRANS_A) ? "En" : "Dis");
seq_printf(m, "Disconnect Enable Flags: 0x%04x\n", p->discenable);
if (p->features & (AHC_ULTRA | AHC_ULTRA2))
{
seq_printf(m, " Ultra Enable Flags: 0x%04x\n", p->ultraenb);
}
seq_printf(m, "Default Tag Queue Depth: %d\n", aic7xxx_default_queue_depth);
seq_printf(m, " Tagged Queue By Device array for aic7xxx host "
"instance %d:\n", p->instance);
seq_printf(m, " {");
for(i=0; i < (MAX_TARGETS - 1); i++)
seq_printf(m, "%d,",aic7xxx_tag_info[p->instance].tag_commands[i]);
seq_printf(m, "%d}\n",aic7xxx_tag_info[p->instance].tag_commands[i]);
seq_printf(m, "\n");
seq_printf(m, "Statistics:\n\n");
list_for_each_entry(aic_dev, &p->aic_devs, list)
{
sdptr = aic_dev->SDptr;
tindex = sdptr->channel << 3 | sdptr->id;
seq_printf(m, "(scsi%d:%d:%d:%d)\n",
p->host_no, sdptr->channel, sdptr->id, sdptr->lun);
seq_printf(m, " Device using %s/%s",
(aic_dev->cur.width == MSG_EXT_WDTR_BUS_16_BIT) ?
"Wide" : "Narrow",
(aic_dev->cur.offset != 0) ?
"Sync transfers at " : "Async transfers.\n" );
if (aic_dev->cur.offset != 0)
{
struct aic7xxx_syncrate *sync_rate;
unsigned char options = aic_dev->cur.options;
int period = aic_dev->cur.period;
int rate = (aic_dev->cur.width ==
MSG_EXT_WDTR_BUS_16_BIT) ? 1 : 0;
sync_rate = aic7xxx_find_syncrate(p, &period, 0, &options);
if (sync_rate != NULL)
{
seq_printf(m, "%s MByte/sec, offset %d\n",
sync_rate->rate[rate],
aic_dev->cur.offset );
}
else
{
seq_printf(m, "3.3 MByte/sec, offset %d\n",
aic_dev->cur.offset );
}
}
seq_printf(m, " Transinfo settings: ");
seq_printf(m, "current(%d/%d/%d/%d), ",
aic_dev->cur.period,
aic_dev->cur.offset,
aic_dev->cur.width,
aic_dev->cur.options);
seq_printf(m, "goal(%d/%d/%d/%d), ",
aic_dev->goal.period,
aic_dev->goal.offset,
aic_dev->goal.width,
aic_dev->goal.options);
seq_printf(m, "user(%d/%d/%d/%d)\n",
p->user[tindex].period,
p->user[tindex].offset,
p->user[tindex].width,
p->user[tindex].options);
if(sdptr->simple_tags)
{
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);
}
if(aic_dev->barrier_total)
seq_printf(m, " Total transfers %ld:\n (%ld/%ld/%ld/%ld reads/writes/REQ_BARRIER/Ordered Tags)\n",
aic_dev->r_total+aic_dev->w_total, aic_dev->r_total, aic_dev->w_total,
aic_dev->barrier_total, aic_dev->ordered_total);
else
seq_printf(m, " Total transfers %ld:\n (%ld/%ld reads/writes)\n",
aic_dev->r_total+aic_dev->w_total, aic_dev->r_total, aic_dev->w_total);
seq_printf(m, "%s\n", HDRB);
seq_printf(m, " Reads:");
for (i = 0; i < ARRAY_SIZE(aic_dev->r_bins); i++)
{
seq_printf(m, " %10ld", aic_dev->r_bins[i]);
}
seq_printf(m, "\n");
seq_printf(m, " Writes:");
for (i = 0; i < ARRAY_SIZE(aic_dev->w_bins); i++)
{
seq_printf(m, " %10ld", aic_dev->w_bins[i]);
}
seq_printf(m, "\n");
seq_printf(m, "\n\n");
}
return 0;
}
/*
* 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:
*/
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