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Commit 20363bc8 authored by Dave Jones's avatar Dave Jones Committed by Linus Torvalds
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[PATCH] Wacky gdth driver vendor update. 

From 2.4 a few months back. With a few edits by
myself to remove the wacky bits of the diff that
backed out fixes. (*Sigh*, Intel).
parent 982fc454
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Showing with 73 additions and 36 deletions
drivers/scsi/gdth.c
View file @ 20363bc8
......@@ -4,9 +4,11 @@
* Intel Corporation: Storage RAID Controllers *
* *
* gdth.c *
* Copyright (C) 1995-01 ICP vortex, an Intel company, Achim Leubner *
* Copyright (C) 1995-02 ICP vortex, an Intel company, Achim Leubner *
* <achim.leubner@intel.com> *
* *
* <achim@vortex.de> *
* Additions/Fixes: Boji Tony Kannanthanam *
* <boji.t.kannanthanam@intel.com> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published *
......@@ -22,9 +24,23 @@
* along with this kernel; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
* *
* Tested with Linux 1.2.13, ..., 2.2.19, ..., 2.4.7 *
* Tested with Linux 1.2.13, ..., 2.2.20, ..., 2.4.18 *
* *
* $Log: gdth.c,v $
* Revision 1.61 2002/10/03 09:35:22 boji
* Fixed SCREENSERVICE intialisation in SMP cases.
* Added checks for gdth_polling before GDTH_HA_LOCK
*
* Revision 1.60 2002/02/05 09:35:22 achim
* MODULE_LICENSE only if kernel >= 2.4.11
*
* Revision 1.59 2002/01/30 09:46:33 achim
* Small changes
*
* Revision 1.58 2002/01/29 15:30:02 achim
* Set default value of shared_access to Y
* New status S_CACHE_RESERV for clustering added
*
* Revision 1.57 2001/08/21 11:16:35 achim
* Bugfix free_irq()
*
......@@ -232,7 +248,7 @@
* Initial revision
*
************************************************************************/
#ident "$Id: gdth.c,v 1.57 2001/08/21 11:16:35 achim Exp $"
#ident "$Id: gdth.c,v 1.60 2002/02/05 09:35:22 achim Exp $"
/* All GDT Disk Array Controllers are fully supported by this driver.
* This includes the PCI/EISA/ISA SCSI Disk Array Controllers and the
......@@ -269,7 +285,7 @@
*
* The default values are: "gdth=disable:N,reserve_mode:1,reverse_scan:N,
* max_ids:127,rescan:N,virt_ctr:N,hdr_channel:0,
* shared_access:N".
* shared_access:Y".
* Here is another example: "gdth=reserve_list:0,1,2,0,0,1,3,0,rescan:Y".
*
* When loading the gdth driver as a module, the same options are available.
......@@ -670,7 +686,7 @@ static int rescan = 0;
/* map channels to virtual controllers */
static int virt_ctr = 0;
/* shared access */
static int shared_access = 0;
static int shared_access = 1;
#ifdef MODULE
#if LINUX_VERSION_CODE >= 0x02011A
......@@ -2343,11 +2359,12 @@ static void gdth_next(int hanum)
register Scsi_Cmnd *nscp;
unchar b, t, firsttime;
unchar this_cmd, next_cmd;
ulong flags;
ulong flags = 0;
int cmd_index;
TRACE(("gdth_next() hanum %d\n",hanum));
ha = HADATA(gdth_ctr_tab[hanum]);
if (!gdth_polling)
GDTH_LOCK_HA(ha, flags);
ha->cmd_cnt = ha->cmd_offs_dpmem = 0;
......@@ -2443,9 +2460,11 @@ static void gdth_next(int hanum)
if (!nscp->SCp.have_data_in)
nscp->SCp.have_data_in++;
else {
if (!gdth_polling)
GDTH_UNLOCK_HA(ha,flags);
/* io_request_lock already active ! */
nscp->scsi_done(nscp);
if (!gdth_polling)
GDTH_LOCK_HA(ha,flags);
}
}
......@@ -2471,9 +2490,11 @@ static void gdth_next(int hanum)
if (!nscp->SCp.have_data_in)
nscp->SCp.have_data_in++;
else {
if (!gdth_polling)
GDTH_UNLOCK_HA(ha,flags);
/* io_request_lock already active ! */
nscp->scsi_done(nscp);
if (!gdth_polling)
GDTH_LOCK_HA(ha,flags);
}
} else {
......@@ -2500,15 +2521,19 @@ static void gdth_next(int hanum)
if (!nscp->SCp.have_data_in)
nscp->SCp.have_data_in++;
else {
if (!gdth_polling)
GDTH_UNLOCK_HA(ha,flags);
/* io_request_lock already active ! */
nscp->scsi_done(nscp);
if (!gdth_polling)
GDTH_LOCK_HA(ha,flags);
}
} else if (gdth_internal_cache_cmd(hanum,nscp)) {
if (!gdth_polling)
GDTH_UNLOCK_HA(ha,flags);
/* io_request_lock already active ! */
nscp->scsi_done(nscp);
if (!gdth_polling)
GDTH_LOCK_HA(ha,flags);
}
break;
......@@ -2524,9 +2549,11 @@ static void gdth_next(int hanum)
if (!nscp->SCp.have_data_in)
nscp->SCp.have_data_in++;
else {
if (!gdth_polling)
GDTH_UNLOCK_HA(ha,flags);
/* io_request_lock already active ! */
nscp->scsi_done(nscp);
if (!gdth_polling)
GDTH_LOCK_HA(ha,flags);
}
} else {
......@@ -2562,9 +2589,11 @@ static void gdth_next(int hanum)
if (!nscp->SCp.have_data_in)
nscp->SCp.have_data_in++;
else {
if (!gdth_polling)
GDTH_UNLOCK_HA(ha,flags);
/* io_request_lock already active ! */
nscp->scsi_done(nscp);
if (!gdth_polling)
GDTH_LOCK_HA(ha,flags);
}
} else if (!(cmd_index=gdth_fill_cache_cmd(hanum,nscp,t)))
......@@ -2581,9 +2610,11 @@ static void gdth_next(int hanum)
if (!nscp->SCp.have_data_in)
nscp->SCp.have_data_in++;
else {
if (!gdth_polling)
GDTH_UNLOCK_HA(ha,flags);
/* io_request_lock already active ! */
nscp->scsi_done(nscp);
if (!gdth_polling)
GDTH_LOCK_HA(ha,flags);
}
break;
......@@ -2604,6 +2635,7 @@ static void gdth_next(int hanum)
gdth_release_event(hanum);
}
if (!gdth_polling)
GDTH_UNLOCK_HA(ha, flags);
if (gdth_polling && ha->cmd_cnt > 0) {
......@@ -3512,9 +3544,13 @@ static int gdth_sync_event(int hanum,int service,unchar index,Scsi_Cmnd *scp)
ha->hdr[scp->target].cluster_type &= ~CLUSTER_RESERVED;
}
memset((char*)scp->sense_buffer,0,16);
if (ha->status == (ushort)S_CACHE_RESERV) {
scp->result = (DID_OK << 16) | (RESERVATION_CONFLICT << 1);
} else {
scp->sense_buffer[0] = 0x70;
scp->sense_buffer[2] = NOT_READY;
scp->result = (DID_OK << 16) | (CHECK_CONDITION << 1);
}
#if LINUX_VERSION_CODE >= 0x010300
if (scp->done != gdth_scsi_done)
#endif
......@@ -3981,6 +4017,7 @@ GDTH_INITFUNC(int, gdth_detect(Scsi_Host_Template *shtp))
return 0;
}
printk("GDT: Storage RAID Controller Driver. Version: %s \n",GDTH_VERSION_STR);
/* initializations */
gdth_polling = TRUE; b = 0;
gdth_clear_events();
......@@ -4215,6 +4252,7 @@ GDTH_INITFUNC(int, gdth_detect(Scsi_Host_Template *shtp))
gdth_pci_str pcistr[MAXHA];
cnt = gdth_search_pci(pcistr);
printk("GDT: Found %d PCI Storage RAID Controllers\n",cnt);
gdth_sort_pci(pcistr,cnt);
for (ctr = 0; ctr < cnt; ++ctr) {
if (gdth_ctr_count >= MAXHA)
......@@ -4229,8 +4267,8 @@ GDTH_INITFUNC(int, gdth_detect(Scsi_Host_Template *shtp))
continue;
}
/* controller found and initialized */
printk("Configuring GDT-PCI HA at %d/%d IRQ %u\n",
pcistr[ctr].bus,PCI_SLOT(pcistr[ctr].device_fn),ha->irq);
printk("GDT CTR%d: Configuring GDT-PCI HA at %d/%d IRQ %u\n",
ctr,pcistr[ctr].bus,PCI_SLOT(pcistr[ctr].device_fn),ha->irq);
#if LINUX_VERSION_CODE >= 0x010346
if (request_irq(ha->irq, gdth_interrupt,
......@@ -4703,9 +4741,7 @@ void gdth_halt(void)
del_timer(&gdth_timer);
#endif
#if LINUX_VERSION_CODE >= 0x020100
#if LINUX_VERSION_CODE < 0x020322
unregister_reboot_notifier(&gdth_notifier);
#endif
return NOTIFY_OK;
#endif
}
......
drivers/scsi/gdth.h
View file @ 20363bc8
......@@ -2,15 +2,15 @@
#define _GDTH_H
/*
* Header file for the GDT ISA/EISA/PCI Disk Array Controller driver for Linux
* Header file for the GDT Disk Array/Storage RAID controllers driver for Linux
*
* gdth.h Copyright (C) 1995-01 ICP vortex Computersysteme GmbH, Achim Leubner
* gdth.h Copyright (C) 1995-02 ICP vortex, an Intel company, Achim Leubner
* See gdth.c for further informations and
* below for supported controller types
*
* <achim@vortex.de>
* <achim.leubner@intel.com>
*
* $Id: gdth.h,v 1.44 2001/08/21 11:19:05 achim Exp $
* $Id: gdth.h,v 1.46 2002/02/05 09:39:53 achim Exp $
*/
#include <linux/version.h>
......@@ -29,9 +29,9 @@
/* defines, macros */
/* driver version */
#define GDTH_VERSION_STR "2.03"
#define GDTH_VERSION_STR "2.05"
#define GDTH_VERSION 2
#define GDTH_SUBVERSION 3
#define GDTH_SUBVERSION 5
/* protocol version */
#define PROTOCOL_VERSION 1
......@@ -265,6 +265,7 @@
#define S_CACHE_UNKNOWN 12 /* cache serv.: drive unknown */
#define S_RAW_SCSI 12 /* raw serv.: target error */
#define S_RAW_ILL 0xff /* raw serv.: illegal */
#define S_CACHE_RESERV -24 /* cache: reserv. conflict */
/* timeout values */
#define INIT_RETRIES 100000 /* 100000 * 1ms = 100s */
......
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