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kernel-ark/drivers/scsi/aha1542.c

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Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
/* $Id: aha1542.c,v 1.1 1992/07/24 06:27:38 root Exp root $
* linux/kernel/aha1542.c
*
* Copyright (C) 1992 Tommy Thorn
* Copyright (C) 1993, 1994, 1995 Eric Youngdale
*
* Modified by Eric Youngdale
* Use request_irq and request_dma to help prevent unexpected conflicts
* Set up on-board DMA controller, such that we do not have to
* have the bios enabled to use the aha1542.
* Modified by David Gentzel
* Don't call request_dma if dma mask is 0 (for BusLogic BT-445S VL-Bus
* controller).
* Modified by Matti Aarnio
* Accept parameters from LILO cmd-line. -- 1-Oct-94
* Modified by Mike McLagan <mike.mclagan@linux.org>
* Recognise extended mode on AHA1542CP, different bit than 1542CF
* 1-Jan-97
* Modified by Bjorn L. Thordarson and Einar Thor Einarsson
* Recognize that DMA0 is valid DMA channel -- 13-Jul-98
* Modified by Chris Faulhaber <jedgar@fxp.org>
* Added module command-line options
* 19-Jul-99
MAINTAINERS: remove Adam Fritzler, remove his email address in other sources Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Adrian Bunk <bunk@kernel.org>
2008-02-03 14:36:24 +00:00
* Modified by Adam Fritzler
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
* Added proper detection of the AHA-1640 (MCA version of AHA-1540)
*/
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/proc_fs.h>
#include <linux/init.h>
#include <linux/spinlock.h>
#include <linux/isapnp.h>
#include <linux/blkdev.h>
#include <linux/mca.h>
#include <linux/mca-legacy.h>
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: Tejun Heo <tj@kernel.org> Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
2010-03-24 08:04:11 +00:00
#include <linux/slab.h>
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
#include <asm/dma.h>
#include <asm/system.h>
#include <asm/io.h>
#include "scsi.h"
#include <scsi/scsi_host.h>
#include "aha1542.h"
#define SCSI_BUF_PA(address) isa_virt_to_bus(address)
[SG] Update drivers to use sg helpers Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-22 19:19:53 +00:00
#define SCSI_SG_PA(sgent) (isa_page_to_bus(sg_page((sgent))) + (sgent)->offset)
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
#include<linux/stat.h>
#ifdef DEBUG
#define DEB(x) x
#else
#define DEB(x)
#endif
/*
static const char RCSid[] = "$Header: /usr/src/linux/kernel/blk_drv/scsi/RCS/aha1542.c,v 1.1 1992/07/24 06:27:38 root Exp root $";
*/
/* The adaptec can be configured for quite a number of addresses, but
I generally do not want the card poking around at random. We allow
two addresses - this allows people to use the Adaptec with a Midi
card, which also used 0x330 -- can be overridden with LILO! */
#define MAXBOARDS 4 /* Increase this and the sizes of the
arrays below, if you need more.. */
/* Boards 3,4 slots are reserved for ISAPnP/MCA scans */
static unsigned int bases[MAXBOARDS] __initdata = {0x330, 0x334, 0, 0};
/* set by aha1542_setup according to the command line; they also may
be marked __initdata, but require zero initializers then */
static int setup_called[MAXBOARDS];
static int setup_buson[MAXBOARDS];
static int setup_busoff[MAXBOARDS];
static int setup_dmaspeed[MAXBOARDS] __initdata = { -1, -1, -1, -1 };
/*
* LILO/Module params: aha1542=<PORTBASE>[,<BUSON>,<BUSOFF>[,<DMASPEED>]]
*
* Where: <PORTBASE> is any of the valid AHA addresses:
* 0x130, 0x134, 0x230, 0x234, 0x330, 0x334
* <BUSON> is the time (in microsecs) that AHA spends on the AT-bus
* when transferring data. 1542A power-on default is 11us,
* valid values are in range: 2..15 (decimal)
* <BUSOFF> is the time that AHA spends OFF THE BUS after while
* it is transferring data (not to monopolize the bus).
* Power-on default is 4us, valid range: 1..64 microseconds.
* <DMASPEED> Default is jumper selected (1542A: on the J1),
* but experimenter can alter it with this.
* Valid values: 5, 6, 7, 8, 10 (MB/s)
* Factory default is 5 MB/s.
*/
#if defined(MODULE)
static int isapnp = 0;
static int aha1542[] = {0x330, 11, 4, -1};
module_param_array(aha1542, int, NULL, 0);
module_param(isapnp, bool, 0);
static struct isapnp_device_id id_table[] __initdata = {
{
ISAPNP_ANY_ID, ISAPNP_ANY_ID,
ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x1542),
0
},
{0}
};
MODULE_DEVICE_TABLE(isapnp, id_table);
#else
static int isapnp = 1;
#endif
#define BIOS_TRANSLATION_1632 0 /* Used by some old 1542A boards */
#define BIOS_TRANSLATION_6432 1 /* Default case these days */
#define BIOS_TRANSLATION_25563 2 /* Big disk case */
struct aha1542_hostdata {
/* This will effectively start both of them at the first mailbox */
int bios_translation; /* Mapping bios uses - for compatibility */
int aha1542_last_mbi_used;
int aha1542_last_mbo_used;
Scsi_Cmnd *SCint[AHA1542_MAILBOXES];
struct mailbox mb[2 * AHA1542_MAILBOXES];
struct ccb ccb[AHA1542_MAILBOXES];
};
#define HOSTDATA(host) ((struct aha1542_hostdata *) &host->hostdata)
static DEFINE_SPINLOCK(aha1542_lock);
#define WAITnexttimeout 3000000
static void setup_mailboxes(int base_io, struct Scsi_Host *shpnt);
static int aha1542_restart(struct Scsi_Host *shost);
[SCSI] aha1542: minor irq handler cleanups - where the 'irq' function argument is known never to be used, rename it to 'dummy' to make this more obvious - replace per-irq lookup functions and tables with a direct reference to data object obtained via 'dev_id' function argument, passed from request_irq() Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-24 23:45:32 +00:00
static void aha1542_intr_handle(struct Scsi_Host *shost);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
#define aha1542_intr_reset(base) outb(IRST, CONTROL(base))
#define WAIT(port, mask, allof, noneof) \
{ register int WAITbits; \
register int WAITtimeout = WAITnexttimeout; \
while (1) { \
WAITbits = inb(port) & (mask); \
if ((WAITbits & (allof)) == (allof) && ((WAITbits & (noneof)) == 0)) \
break; \
if (--WAITtimeout == 0) goto fail; \
} \
}
/* Similar to WAIT, except we use the udelay call to regulate the
amount of time we wait. */
#define WAITd(port, mask, allof, noneof, timeout) \
{ register int WAITbits; \
register int WAITtimeout = timeout; \
while (1) { \
WAITbits = inb(port) & (mask); \
if ((WAITbits & (allof)) == (allof) && ((WAITbits & (noneof)) == 0)) \
break; \
mdelay(1); \
if (--WAITtimeout == 0) goto fail; \
} \
}
static void aha1542_stat(void)
{
/* int s = inb(STATUS), i = inb(INTRFLAGS);
printk("status=%x intrflags=%x\n", s, i, WAITnexttimeout-WAITtimeout); */
}
/* This is a bit complicated, but we need to make sure that an interrupt
routine does not send something out while we are in the middle of this.
Fortunately, it is only at boot time that multi-byte messages
are ever sent. */
static int aha1542_out(unsigned int base, unchar * cmdp, int len)
{
unsigned long flags = 0;
int got_lock;
if (len == 1) {
got_lock = 0;
while (1 == 1) {
WAIT(STATUS(base), CDF, 0, CDF);
spin_lock_irqsave(&aha1542_lock, flags);
if (inb(STATUS(base)) & CDF) {
spin_unlock_irqrestore(&aha1542_lock, flags);
continue;
}
outb(*cmdp, DATA(base));
spin_unlock_irqrestore(&aha1542_lock, flags);
return 0;
}
} else {
spin_lock_irqsave(&aha1542_lock, flags);
got_lock = 1;
while (len--) {
WAIT(STATUS(base), CDF, 0, CDF);
outb(*cmdp++, DATA(base));
}
spin_unlock_irqrestore(&aha1542_lock, flags);
}
return 0;
fail:
if (got_lock)
spin_unlock_irqrestore(&aha1542_lock, flags);
printk(KERN_ERR "aha1542_out failed(%d): ", len + 1);
aha1542_stat();
return 1;
}
/* Only used at boot time, so we do not need to worry about latency as much
here */
static int __init aha1542_in(unsigned int base, unchar * cmdp, int len)
{
unsigned long flags;
spin_lock_irqsave(&aha1542_lock, flags);
while (len--) {
WAIT(STATUS(base), DF, DF, 0);
*cmdp++ = inb(DATA(base));
}
spin_unlock_irqrestore(&aha1542_lock, flags);
return 0;
fail:
spin_unlock_irqrestore(&aha1542_lock, flags);
printk(KERN_ERR "aha1542_in failed(%d): ", len + 1);
aha1542_stat();
return 1;
}
/* Similar to aha1542_in, except that we wait a very short period of time.
We use this if we know the board is alive and awake, but we are not sure
if the board will respond to the command we are about to send or not */
static int __init aha1542_in1(unsigned int base, unchar * cmdp, int len)
{
unsigned long flags;
spin_lock_irqsave(&aha1542_lock, flags);
while (len--) {
WAITd(STATUS(base), DF, DF, 0, 100);
*cmdp++ = inb(DATA(base));
}
spin_unlock_irqrestore(&aha1542_lock, flags);
return 0;
fail:
spin_unlock_irqrestore(&aha1542_lock, flags);
return 1;
}
static int makecode(unsigned hosterr, unsigned scsierr)
{
switch (hosterr) {
case 0x0:
case 0xa: /* Linked command complete without error and linked normally */
case 0xb: /* Linked command complete without error, interrupt generated */
hosterr = 0;
break;
case 0x11: /* Selection time out-The initiator selection or target
reselection was not complete within the SCSI Time out period */
hosterr = DID_TIME_OUT;
break;
case 0x12: /* Data overrun/underrun-The target attempted to transfer more data
than was allocated by the Data Length field or the sum of the
Scatter / Gather Data Length fields. */
case 0x13: /* Unexpected bus free-The target dropped the SCSI BSY at an unexpected time. */
case 0x15: /* MBO command was not 00, 01 or 02-The first byte of the CB was
invalid. This usually indicates a software failure. */
case 0x16: /* Invalid CCB Operation Code-The first byte of the CCB was invalid.
This usually indicates a software failure. */
case 0x17: /* Linked CCB does not have the same LUN-A subsequent CCB of a set
of linked CCB's does not specify the same logical unit number as
the first. */
case 0x18: /* Invalid Target Direction received from Host-The direction of a
Target Mode CCB was invalid. */
case 0x19: /* Duplicate CCB Received in Target Mode-More than once CCB was
received to service data transfer between the same target LUN
and initiator SCSI ID in the same direction. */
case 0x1a: /* Invalid CCB or Segment List Parameter-A segment list with a zero
length segment or invalid segment list boundaries was received.
A CCB parameter was invalid. */
DEB(printk("Aha1542: %x %x\n", hosterr, scsierr));
hosterr = DID_ERROR; /* Couldn't find any better */
break;
case 0x14: /* Target bus phase sequence failure-An invalid bus phase or bus
phase sequence was requested by the target. The host adapter
will generate a SCSI Reset Condition, notifying the host with
a SCRD interrupt */
hosterr = DID_RESET;
break;
default:
printk(KERN_ERR "aha1542: makecode: unknown hoststatus %x\n", hosterr);
break;
}
return scsierr | (hosterr << 16);
}
static int __init aha1542_test_port(int bse, struct Scsi_Host *shpnt)
{
unchar inquiry_cmd[] = {CMD_INQUIRY};
unchar inquiry_result[4];
unchar *cmdp;
int len;
volatile int debug = 0;
/* Quick and dirty test for presence of the card. */
if (inb(STATUS(bse)) == 0xff)
return 0;
/* Reset the adapter. I ought to make a hard reset, but it's not really necessary */
/* DEB(printk("aha1542_test_port called \n")); */
/* In case some other card was probing here, reset interrupts */
aha1542_intr_reset(bse); /* reset interrupts, so they don't block */
outb(SRST | IRST /*|SCRST */ , CONTROL(bse));
mdelay(20); /* Wait a little bit for things to settle down. */
debug = 1;
/* Expect INIT and IDLE, any of the others are bad */
WAIT(STATUS(bse), STATMASK, INIT | IDLE, STST | DIAGF | INVDCMD | DF | CDF);
debug = 2;
/* Shouldn't have generated any interrupts during reset */
if (inb(INTRFLAGS(bse)) & INTRMASK)
goto fail;
/* Perform a host adapter inquiry instead so we do not need to set
up the mailboxes ahead of time */
aha1542_out(bse, inquiry_cmd, 1);
debug = 3;
len = 4;
cmdp = &inquiry_result[0];
while (len--) {
WAIT(STATUS(bse), DF, DF, 0);
*cmdp++ = inb(DATA(bse));
}
debug = 8;
/* Reading port should reset DF */
if (inb(STATUS(bse)) & DF)
goto fail;
debug = 9;
/* When HACC, command is completed, and we're though testing */
WAIT(INTRFLAGS(bse), HACC, HACC, 0);
/* now initialize adapter */
debug = 10;
/* Clear interrupts */
outb(IRST, CONTROL(bse));
debug = 11;
return debug; /* 1 = ok */
fail:
return 0; /* 0 = not ok */
}
/* A quick wrapper for do_aha1542_intr_handle to grab the spin lock */
[SCSI] aha1542: minor irq handler cleanups - where the 'irq' function argument is known never to be used, rename it to 'dummy' to make this more obvious - replace per-irq lookup functions and tables with a direct reference to data object obtained via 'dev_id' function argument, passed from request_irq() Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-24 23:45:32 +00:00
static irqreturn_t do_aha1542_intr_handle(int dummy, void *dev_id)
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
{
unsigned long flags;
[SCSI] aha1542: minor irq handler cleanups - where the 'irq' function argument is known never to be used, rename it to 'dummy' to make this more obvious - replace per-irq lookup functions and tables with a direct reference to data object obtained via 'dev_id' function argument, passed from request_irq() Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-24 23:45:32 +00:00
struct Scsi_Host *shost = dev_id;
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
spin_lock_irqsave(shost->host_lock, flags);
[SCSI] aha1542: minor irq handler cleanups - where the 'irq' function argument is known never to be used, rename it to 'dummy' to make this more obvious - replace per-irq lookup functions and tables with a direct reference to data object obtained via 'dev_id' function argument, passed from request_irq() Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-24 23:45:32 +00:00
aha1542_intr_handle(shost);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
spin_unlock_irqrestore(shost->host_lock, flags);
return IRQ_HANDLED;
}
/* A "high" level interrupt handler */
[SCSI] aha1542: minor irq handler cleanups - where the 'irq' function argument is known never to be used, rename it to 'dummy' to make this more obvious - replace per-irq lookup functions and tables with a direct reference to data object obtained via 'dev_id' function argument, passed from request_irq() Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-24 23:45:32 +00:00
static void aha1542_intr_handle(struct Scsi_Host *shost)
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
{
void (*my_done) (Scsi_Cmnd *) = NULL;
int errstatus, mbi, mbo, mbistatus;
int number_serviced;
unsigned long flags;
Scsi_Cmnd *SCtmp;
int flag;
int needs_restart;
struct mailbox *mb;
struct ccb *ccb;
mb = HOSTDATA(shost)->mb;
ccb = HOSTDATA(shost)->ccb;
#ifdef DEBUG
{
flag = inb(INTRFLAGS(shost->io_port));
printk(KERN_DEBUG "aha1542_intr_handle: ");
if (!(flag & ANYINTR))
printk("no interrupt?");
if (flag & MBIF)
printk("MBIF ");
if (flag & MBOA)
printk("MBOF ");
if (flag & HACC)
printk("HACC ");
if (flag & SCRD)
printk("SCRD ");
printk("status %02x\n", inb(STATUS(shost->io_port)));
};
#endif
number_serviced = 0;
needs_restart = 0;
while (1 == 1) {
flag = inb(INTRFLAGS(shost->io_port));
/* Check for unusual interrupts. If any of these happen, we should
probably do something special, but for now just printing a message
is sufficient. A SCSI reset detected is something that we really
need to deal with in some way. */
if (flag & ~MBIF) {
if (flag & MBOA)
printk("MBOF ");
if (flag & HACC)
printk("HACC ");
if (flag & SCRD) {
needs_restart = 1;
printk("SCRD ");
}
}
aha1542_intr_reset(shost->io_port);
spin_lock_irqsave(&aha1542_lock, flags);
mbi = HOSTDATA(shost)->aha1542_last_mbi_used + 1;
if (mbi >= 2 * AHA1542_MAILBOXES)
mbi = AHA1542_MAILBOXES;
do {
if (mb[mbi].status != 0)
break;
mbi++;
if (mbi >= 2 * AHA1542_MAILBOXES)
mbi = AHA1542_MAILBOXES;
} while (mbi != HOSTDATA(shost)->aha1542_last_mbi_used);
if (mb[mbi].status == 0) {
spin_unlock_irqrestore(&aha1542_lock, flags);
/* Hmm, no mail. Must have read it the last time around */
if (!number_serviced && !needs_restart)
printk(KERN_WARNING "aha1542.c: interrupt received, but no mail.\n");
/* We detected a reset. Restart all pending commands for
devices that use the hard reset option */
if (needs_restart)
aha1542_restart(shost);
return;
};
mbo = (scsi2int(mb[mbi].ccbptr) - (SCSI_BUF_PA(&ccb[0]))) / sizeof(struct ccb);
mbistatus = mb[mbi].status;
mb[mbi].status = 0;
HOSTDATA(shost)->aha1542_last_mbi_used = mbi;
spin_unlock_irqrestore(&aha1542_lock, flags);
#ifdef DEBUG
{
if (ccb[mbo].tarstat | ccb[mbo].hastat)
printk(KERN_DEBUG "aha1542_command: returning %x (status %d)\n",
ccb[mbo].tarstat + ((int) ccb[mbo].hastat << 16), mb[mbi].status);
};
#endif
if (mbistatus == 3)
continue; /* Aborted command not found */
#ifdef DEBUG
printk(KERN_DEBUG "...done %d %d\n", mbo, mbi);
#endif
SCtmp = HOSTDATA(shost)->SCint[mbo];
if (!SCtmp || !SCtmp->scsi_done) {
printk(KERN_WARNING "aha1542_intr_handle: Unexpected interrupt\n");
printk(KERN_WARNING "tarstat=%x, hastat=%x idlun=%x ccb#=%d \n", ccb[mbo].tarstat,
ccb[mbo].hastat, ccb[mbo].idlun, mbo);
return;
}
my_done = SCtmp->scsi_done;
[PATCH] kfree cleanup: drivers/scsi This is the drivers/scsi/ part of the big kfree cleanup patch. Remove pointless checks for NULL prior to calling kfree() in drivers/scsi/. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Acked-by: Kai Makisara <kai.makisara@kolumbus.fi> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-07 09:01:26 +00:00
kfree(SCtmp->host_scribble);
SCtmp->host_scribble = NULL;
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
/* Fetch the sense data, and tuck it away, in the required slot. The
Adaptec automatically fetches it, and there is no guarantee that
we will still have it in the cdb when we come back */
if (ccb[mbo].tarstat == 2)
memcpy(SCtmp->sense_buffer, &ccb[mbo].cdb[ccb[mbo].cdblen],
[SCSI] replace sizeof sense_buffer with SCSI_SENSE_BUFFERSIZE This replaces sizeof sense_buffer with SCSI_SENSE_BUFFERSIZE in several LLDs. It's a preparation for the future changes to remove sense_buffer array in scsi_cmnd structure. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-01-13 06:46:13 +00:00
SCSI_SENSE_BUFFERSIZE);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
/* is there mail :-) */
/* more error checking left out here */
if (mbistatus != 1)
/* This is surely wrong, but I don't know what's right */
errstatus = makecode(ccb[mbo].hastat, ccb[mbo].tarstat);
else
errstatus = 0;
#ifdef DEBUG
if (errstatus)
printk(KERN_DEBUG "(aha1542 error:%x %x %x) ", errstatus,
ccb[mbo].hastat, ccb[mbo].tarstat);
#endif
if (ccb[mbo].tarstat == 2) {
#ifdef DEBUG
int i;
#endif
DEB(printk("aha1542_intr_handle: sense:"));
#ifdef DEBUG
for (i = 0; i < 12; i++)
printk("%02x ", ccb[mbo].cdb[ccb[mbo].cdblen + i]);
printk("\n");
#endif
/*
DEB(printk("aha1542_intr_handle: buf:"));
for (i = 0; i < bufflen; i++)
printk("%02x ", ((unchar *)buff)[i]);
printk("\n");
*/
}
DEB(if (errstatus) printk("aha1542_intr_handle: returning %6x\n", errstatus));
SCtmp->result = errstatus;
HOSTDATA(shost)->SCint[mbo] = NULL; /* This effectively frees up the mailbox slot, as
far as queuecommand is concerned */
my_done(SCtmp);
number_serviced++;
};
}
SCSI host lock push-down Move the mid-layer's ->queuecommand() invocation from being locked with the host lock to being unlocked to facilitate speeding up the critical path for drivers who don't need this lock taken anyway. The patch below presents a simple SCSI host lock push-down as an equivalent transformation. No locking or other behavior should change with this patch. All existing bugs and locking orders are preserved. Additionally, add one parameter to queuecommand, struct Scsi_Host * and remove one parameter from queuecommand, void (*done)(struct scsi_cmnd *) Scsi_Host* is a convenient pointer that most host drivers need anyway, and 'done' is redundant to struct scsi_cmnd->scsi_done. Minimal code disturbance was attempted with this change. Most drivers needed only two one-line modifications for their host lock push-down. Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Acked-by: James Bottomley <James.Bottomley@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-11-16 07:10:29 +00:00
static int aha1542_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *))
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
{
unchar ahacmd = CMD_START_SCSI;
unchar direction;
unchar *cmd = (unchar *) SCpnt->cmnd;
unchar target = SCpnt->device->id;
unchar lun = SCpnt->device->lun;
unsigned long flags;
[SCSI] aha1542: convert to accessors and !use_sg cleanup - convert to accessors and !use_sg cleanup Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2007-09-09 18:02:45 +00:00
int bufflen = scsi_bufflen(SCpnt);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
int mbo;
struct mailbox *mb;
struct ccb *ccb;
DEB(int i);
mb = HOSTDATA(SCpnt->device->host)->mb;
ccb = HOSTDATA(SCpnt->device->host)->ccb;
DEB(if (target > 1) {
SCpnt->result = DID_TIME_OUT << 16;
done(SCpnt); return 0;
}
);
if (*cmd == REQUEST_SENSE) {
/* Don't do the command - we have the sense data already */
#if 0
/* scsi_request_sense() provides a buffer of size 256,
so there is no reason to expect equality */
[SCSI] replace sizeof sense_buffer with SCSI_SENSE_BUFFERSIZE This replaces sizeof sense_buffer with SCSI_SENSE_BUFFERSIZE in several LLDs. It's a preparation for the future changes to remove sense_buffer array in scsi_cmnd structure. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-01-13 06:46:13 +00:00
if (bufflen != SCSI_SENSE_BUFFERSIZE)
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
printk(KERN_CRIT "aha1542: Wrong buffer length supplied "
"for request sense (%d)\n", bufflen);
#endif
SCpnt->result = 0;
done(SCpnt);
return 0;
}
#ifdef DEBUG
if (*cmd == READ_10 || *cmd == WRITE_10)
i = xscsi2int(cmd + 2);
else if (*cmd == READ_6 || *cmd == WRITE_6)
i = scsi2int(cmd + 2);
else
i = -1;
if (done)
printk(KERN_DEBUG "aha1542_queuecommand: dev %d cmd %02x pos %d len %d ", target, *cmd, i, bufflen);
else
printk(KERN_DEBUG "aha1542_command: dev %d cmd %02x pos %d len %d ", target, *cmd, i, bufflen);
aha1542_stat();
printk(KERN_DEBUG "aha1542_queuecommand: dumping scsi cmd:");
for (i = 0; i < SCpnt->cmd_len; i++)
printk("%02x ", cmd[i]);
printk("\n");
if (*cmd == WRITE_10 || *cmd == WRITE_6)
return 0; /* we are still testing, so *don't* write */
#endif
/* Use the outgoing mailboxes in a round-robin fashion, because this
is how the host adapter will scan for them */
spin_lock_irqsave(&aha1542_lock, flags);
mbo = HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used + 1;
if (mbo >= AHA1542_MAILBOXES)
mbo = 0;
do {
if (mb[mbo].status == 0 && HOSTDATA(SCpnt->device->host)->SCint[mbo] == NULL)
break;
mbo++;
if (mbo >= AHA1542_MAILBOXES)
mbo = 0;
} while (mbo != HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used);
if (mb[mbo].status || HOSTDATA(SCpnt->device->host)->SCint[mbo])
panic("Unable to find empty mailbox for aha1542.\n");
HOSTDATA(SCpnt->device->host)->SCint[mbo] = SCpnt; /* This will effectively prevent someone else from
screwing with this cdb. */
HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used = mbo;
spin_unlock_irqrestore(&aha1542_lock, flags);
#ifdef DEBUG
printk(KERN_DEBUG "Sending command (%d %x)...", mbo, done);
#endif
any2scsi(mb[mbo].ccbptr, SCSI_BUF_PA(&ccb[mbo])); /* This gets trashed for some reason */
memset(&ccb[mbo], 0, sizeof(struct ccb));
ccb[mbo].cdblen = SCpnt->cmd_len;
direction = 0;
if (*cmd == READ_10 || *cmd == READ_6)
direction = 8;
else if (*cmd == WRITE_10 || *cmd == WRITE_6)
direction = 16;
memcpy(ccb[mbo].cdb, cmd, ccb[mbo].cdblen);
[SCSI] aha1542: convert to accessors and !use_sg cleanup - convert to accessors and !use_sg cleanup Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2007-09-09 18:02:45 +00:00
if (bufflen) {
aha1542: convert to use the data buffer accessors Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16 08:00:31 +00:00
struct scatterlist *sg;
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
struct chain *cptr;
#ifdef DEBUG
unsigned char *ptr;
#endif
[SCSI] aha1542: convert to accessors and !use_sg cleanup - convert to accessors and !use_sg cleanup Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2007-09-09 18:02:45 +00:00
int i, sg_count = scsi_sg_count(SCpnt);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
ccb[mbo].op = 2; /* SCSI Initiator Command w/scatter-gather */
[SCSI] aha1542: convert to accessors and !use_sg cleanup - convert to accessors and !use_sg cleanup Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2007-09-09 18:02:45 +00:00
SCpnt->host_scribble = kmalloc(sizeof(*cptr)*sg_count,
GFP_KERNEL | GFP_DMA);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
cptr = (struct chain *) SCpnt->host_scribble;
if (cptr == NULL) {
/* free the claimed mailbox slot */
HOSTDATA(SCpnt->device->host)->SCint[mbo] = NULL;
return SCSI_MLQUEUE_HOST_BUSY;
}
[SCSI] aha1542: convert to accessors and !use_sg cleanup - convert to accessors and !use_sg cleanup Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2007-09-09 18:02:45 +00:00
scsi_for_each_sg(SCpnt, sg, sg_count, i) {
aha1542: convert to use the data buffer accessors Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16 08:00:31 +00:00
any2scsi(cptr[i].dataptr, SCSI_SG_PA(sg));
any2scsi(cptr[i].datalen, sg->length);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
};
[SCSI] aha1542: convert to accessors and !use_sg cleanup - convert to accessors and !use_sg cleanup Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2007-09-09 18:02:45 +00:00
any2scsi(ccb[mbo].datalen, sg_count * sizeof(struct chain));
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
any2scsi(ccb[mbo].dataptr, SCSI_BUF_PA(cptr));
#ifdef DEBUG
printk("cptr %x: ", cptr);
ptr = (unsigned char *) cptr;
for (i = 0; i < 18; i++)
printk("%02x ", ptr[i]);
#endif
} else {
ccb[mbo].op = 0; /* SCSI Initiator Command */
SCpnt->host_scribble = NULL;
[SCSI] aha1542: convert to accessors and !use_sg cleanup - convert to accessors and !use_sg cleanup Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2007-09-09 18:02:45 +00:00
any2scsi(ccb[mbo].datalen, 0);
any2scsi(ccb[mbo].dataptr, 0);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
};
ccb[mbo].idlun = (target & 7) << 5 | direction | (lun & 7); /*SCSI Target Id */
ccb[mbo].rsalen = 16;
ccb[mbo].linkptr[0] = ccb[mbo].linkptr[1] = ccb[mbo].linkptr[2] = 0;
ccb[mbo].commlinkid = 0;
#ifdef DEBUG
{
int i;
printk(KERN_DEBUG "aha1542_command: sending.. ");
for (i = 0; i < sizeof(ccb[mbo]) - 10; i++)
printk("%02x ", ((unchar *) & ccb[mbo])[i]);
};
#endif
if (done) {
DEB(printk("aha1542_queuecommand: now waiting for interrupt ");
aha1542_stat());
SCpnt->scsi_done = done;
mb[mbo].status = 1;
aha1542_out(SCpnt->device->host->io_port, &ahacmd, 1); /* start scsi command */
DEB(aha1542_stat());
} else
printk("aha1542_queuecommand: done can't be NULL\n");
return 0;
}
SCSI host lock push-down Move the mid-layer's ->queuecommand() invocation from being locked with the host lock to being unlocked to facilitate speeding up the critical path for drivers who don't need this lock taken anyway. The patch below presents a simple SCSI host lock push-down as an equivalent transformation. No locking or other behavior should change with this patch. All existing bugs and locking orders are preserved. Additionally, add one parameter to queuecommand, struct Scsi_Host * and remove one parameter from queuecommand, void (*done)(struct scsi_cmnd *) Scsi_Host* is a convenient pointer that most host drivers need anyway, and 'done' is redundant to struct scsi_cmnd->scsi_done. Minimal code disturbance was attempted with this change. Most drivers needed only two one-line modifications for their host lock push-down. Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Acked-by: James Bottomley <James.Bottomley@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-11-16 07:10:29 +00:00
static DEF_SCSI_QCMD(aha1542_queuecommand)
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
/* Initialize mailboxes */
static void setup_mailboxes(int bse, struct Scsi_Host *shpnt)
{
int i;
struct mailbox *mb;
struct ccb *ccb;
unchar cmd[5] = { CMD_MBINIT, AHA1542_MAILBOXES, 0, 0, 0};
mb = HOSTDATA(shpnt)->mb;
ccb = HOSTDATA(shpnt)->ccb;
for (i = 0; i < AHA1542_MAILBOXES; i++) {
mb[i].status = mb[AHA1542_MAILBOXES + i].status = 0;
any2scsi(mb[i].ccbptr, SCSI_BUF_PA(&ccb[i]));
};
aha1542_intr_reset(bse); /* reset interrupts, so they don't block */
any2scsi((cmd + 2), SCSI_BUF_PA(mb));
aha1542_out(bse, cmd, 5);
WAIT(INTRFLAGS(bse), INTRMASK, HACC, 0);
while (0) {
fail:
printk(KERN_ERR "aha1542_detect: failed setting up mailboxes\n");
}
aha1542_intr_reset(bse);
}
static int __init aha1542_getconfig(int base_io, unsigned char *irq_level, unsigned char *dma_chan, unsigned char *scsi_id)
{
unchar inquiry_cmd[] = {CMD_RETCONF};
unchar inquiry_result[3];
int i;
i = inb(STATUS(base_io));
if (i & DF) {
i = inb(DATA(base_io));
};
aha1542_out(base_io, inquiry_cmd, 1);
aha1542_in(base_io, inquiry_result, 3);
WAIT(INTRFLAGS(base_io), INTRMASK, HACC, 0);
while (0) {
fail:
printk(KERN_ERR "aha1542_detect: query board settings\n");
}
aha1542_intr_reset(base_io);
switch (inquiry_result[0]) {
case 0x80:
*dma_chan = 7;
break;
case 0x40:
*dma_chan = 6;
break;
case 0x20:
*dma_chan = 5;
break;
case 0x01:
*dma_chan = 0;
break;
case 0:
/* This means that the adapter, although Adaptec 1542 compatible, doesn't use a DMA channel.
Currently only aware of the BusLogic BT-445S VL-Bus adapter which needs this. */
*dma_chan = 0xFF;
break;
default:
printk(KERN_ERR "Unable to determine Adaptec DMA priority. Disabling board\n");
return -1;
};
switch (inquiry_result[1]) {
case 0x40:
*irq_level = 15;
break;
case 0x20:
*irq_level = 14;
break;
case 0x8:
*irq_level = 12;
break;
case 0x4:
*irq_level = 11;
break;
case 0x2:
*irq_level = 10;
break;
case 0x1:
*irq_level = 9;
break;
default:
printk(KERN_ERR "Unable to determine Adaptec IRQ level. Disabling board\n");
return -1;
};
*scsi_id = inquiry_result[2] & 7;
return 0;
}
/* This function should only be called for 1542C boards - we can detect
the special firmware settings and unlock the board */
static int __init aha1542_mbenable(int base)
{
static unchar mbenable_cmd[3];
static unchar mbenable_result[2];
int retval;
retval = BIOS_TRANSLATION_6432;
mbenable_cmd[0] = CMD_EXTBIOS;
aha1542_out(base, mbenable_cmd, 1);
if (aha1542_in1(base, mbenable_result, 2))
return retval;
WAITd(INTRFLAGS(base), INTRMASK, HACC, 0, 100);
aha1542_intr_reset(base);
if ((mbenable_result[0] & 0x08) || mbenable_result[1]) {
mbenable_cmd[0] = CMD_MBENABLE;
mbenable_cmd[1] = 0;
mbenable_cmd[2] = mbenable_result[1];
if ((mbenable_result[0] & 0x08) && (mbenable_result[1] & 0x03))
retval = BIOS_TRANSLATION_25563;
aha1542_out(base, mbenable_cmd, 3);
WAIT(INTRFLAGS(base), INTRMASK, HACC, 0);
};
while (0) {
fail:
printk(KERN_ERR "aha1542_mbenable: Mailbox init failed\n");
}
aha1542_intr_reset(base);
return retval;
}
/* Query the board to find out if it is a 1542 or a 1740, or whatever. */
static int __init aha1542_query(int base_io, int *transl)
{
unchar inquiry_cmd[] = {CMD_INQUIRY};
unchar inquiry_result[4];
int i;
i = inb(STATUS(base_io));
if (i & DF) {
i = inb(DATA(base_io));
};
aha1542_out(base_io, inquiry_cmd, 1);
aha1542_in(base_io, inquiry_result, 4);
WAIT(INTRFLAGS(base_io), INTRMASK, HACC, 0);
while (0) {
fail:
printk(KERN_ERR "aha1542_detect: query card type\n");
}
aha1542_intr_reset(base_io);
*transl = BIOS_TRANSLATION_6432; /* Default case */
/* For an AHA1740 series board, we ignore the board since there is a
hardware bug which can lead to wrong blocks being returned if the board
is operating in the 1542 emulation mode. Since there is an extended mode
driver, we simply ignore the board and let the 1740 driver pick it up.
*/
if (inquiry_result[0] == 0x43) {
printk(KERN_INFO "aha1542.c: Emulation mode not supported for AHA 174N hardware.\n");
return 1;
};
/* Always call this - boards that do not support extended bios translation
will ignore the command, and we will set the proper default */
*transl = aha1542_mbenable(base_io);
return 0;
}
#ifndef MODULE
static char *setup_str[MAXBOARDS] __initdata;
static int setup_idx = 0;
static void __init aha1542_setup(char *str, int *ints)
{
const char *ahausage = "aha1542: usage: aha1542=<PORTBASE>[,<BUSON>,<BUSOFF>[,<DMASPEED>]]\n";
int setup_portbase;
if (setup_idx >= MAXBOARDS) {
printk(KERN_ERR "aha1542: aha1542_setup called too many times! Bad LILO params ?\n");
printk(KERN_ERR " Entryline 1: %s\n", setup_str[0]);
printk(KERN_ERR " Entryline 2: %s\n", setup_str[1]);
printk(KERN_ERR " This line: %s\n", str);
return;
}
if (ints[0] < 1 || ints[0] > 4) {
printk(KERN_ERR "aha1542: %s\n", str);
printk(ahausage);
printk(KERN_ERR "aha1542: Wrong parameters may cause system malfunction.. We try anyway..\n");
}
setup_called[setup_idx] = ints[0];
setup_str[setup_idx] = str;
setup_portbase = ints[0] >= 1 ? ints[1] : 0; /* Preserve the default value.. */
setup_buson[setup_idx] = ints[0] >= 2 ? ints[2] : 7;
setup_busoff[setup_idx] = ints[0] >= 3 ? ints[3] : 5;
if (ints[0] >= 4)
{
int atbt = -1;
switch (ints[4]) {
case 5:
atbt = 0x00;
break;
case 6:
atbt = 0x04;
break;
case 7:
atbt = 0x01;
break;
case 8:
atbt = 0x02;
break;
case 10:
atbt = 0x03;
break;
default:
printk(KERN_ERR "aha1542: %s\n", str);
printk(ahausage);
printk(KERN_ERR "aha1542: Valid values for DMASPEED are 5-8, 10 MB/s. Using jumper defaults.\n");
break;
}
setup_dmaspeed[setup_idx] = atbt;
}
if (setup_portbase != 0)
bases[setup_idx] = setup_portbase;
++setup_idx;
}
static int __init do_setup(char *str)
{
int ints[5];
int count=setup_idx;
[SCSI] drivers/scsi: Use ARRAY_SIZE macro Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove duplicates of the macro. Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-06-09 05:23:48 +00:00
get_options(str, ARRAY_SIZE(ints), ints);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
aha1542_setup(str,ints);
return count<setup_idx;
}
__setup("aha1542=",do_setup);
#endif
/* return non-zero on detection */
[SCSI] remove Scsi_Host_Template typedef Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-10-31 17:31:40 +00:00
static int __init aha1542_detect(struct scsi_host_template * tpnt)
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
{
unsigned char dma_chan;
unsigned char irq_level;
unsigned char scsi_id;
unsigned long flags;
unsigned int base_io;
int trans;
struct Scsi_Host *shpnt = NULL;
int count = 0;
int indx;
DEB(printk("aha1542_detect: \n"));
tpnt->proc_name = "aha1542";
#ifdef MODULE
bases[0] = aha1542[0];
setup_buson[0] = aha1542[1];
setup_busoff[0] = aha1542[2];
{
int atbt = -1;
switch (aha1542[3]) {
case 5:
atbt = 0x00;
break;
case 6:
atbt = 0x04;
break;
case 7:
atbt = 0x01;
break;
case 8:
atbt = 0x02;
break;
case 10:
atbt = 0x03;
break;
};
setup_dmaspeed[0] = atbt;
}
#endif
/*
* Find MicroChannel cards (AHA1640)
*/
#ifdef CONFIG_MCA_LEGACY
if(MCA_bus) {
int slot = 0;
int pos = 0;
[SCSI] drivers/scsi: Use ARRAY_SIZE macro Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove duplicates of the macro. Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-06-09 05:23:48 +00:00
for (indx = 0; (slot != MCA_NOTFOUND) && (indx < ARRAY_SIZE(bases)); indx++) {
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
if (bases[indx])
continue;
/* Detect only AHA-1640 cards -- MCA ID 0F1F */
slot = mca_find_unused_adapter(0x0f1f, slot);
if (slot == MCA_NOTFOUND)
break;
/* Found one */
pos = mca_read_stored_pos(slot, 3);
[SCSI] drivers/scsi: Use ARRAY_SIZE macro Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove duplicates of the macro. Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-06-09 05:23:48 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
/* Decode address */
if (pos & 0x80) {
if (pos & 0x02) {
if (pos & 0x01)
bases[indx] = 0x334;
else
bases[indx] = 0x234;
} else {
if (pos & 0x01)
bases[indx] = 0x134;
}
} else {
if (pos & 0x02) {
if (pos & 0x01)
bases[indx] = 0x330;
else
bases[indx] = 0x230;
} else {
if (pos & 0x01)
bases[indx] = 0x130;
}
}
/* No need to decode IRQ and Arb level -- those are
* read off the card later.
*/
printk(KERN_INFO "Found an AHA-1640 in MCA slot %d, I/O 0x%04x\n", slot, bases[indx]);
mca_set_adapter_name(slot, "Adapter AHA-1640");
mca_set_adapter_procfn(slot, NULL, NULL);
mca_mark_as_used(slot);
[SCSI] drivers/scsi: Use ARRAY_SIZE macro Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove duplicates of the macro. Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-06-09 05:23:48 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
/* Go on */
slot++;
}
[SCSI] drivers/scsi: Use ARRAY_SIZE macro Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove duplicates of the macro. Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-06-09 05:23:48 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
}
#endif
/*
* Hunt for ISA Plug'n'Pray Adaptecs (AHA1535)
*/
[SCSI] drivers/scsi: Use ARRAY_SIZE macro Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove duplicates of the macro. Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-06-09 05:23:48 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
if(isapnp)
{
struct pnp_dev *pdev = NULL;
[SCSI] drivers/scsi: Use ARRAY_SIZE macro Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove duplicates of the macro. Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-06-09 05:23:48 +00:00
for(indx = 0; indx < ARRAY_SIZE(bases); indx++) {
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
if(bases[indx])
continue;
pdev = pnp_find_dev(NULL, ISAPNP_VENDOR('A', 'D', 'P'),
ISAPNP_FUNCTION(0x1542), pdev);
if(pdev==NULL)
break;
/*
* Activate the PnP card
*/
[SCSI] drivers/scsi: Use ARRAY_SIZE macro Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove duplicates of the macro. Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-06-09 05:23:48 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
if(pnp_device_attach(pdev)<0)
continue;
[SCSI] drivers/scsi: Use ARRAY_SIZE macro Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove duplicates of the macro. Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-06-09 05:23:48 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
if(pnp_activate_dev(pdev)<0) {
pnp_device_detach(pdev);
continue;
}
[SCSI] drivers/scsi: Use ARRAY_SIZE macro Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove duplicates of the macro. Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-06-09 05:23:48 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
if(!pnp_port_valid(pdev, 0)) {
pnp_device_detach(pdev);
continue;
}
[SCSI] drivers/scsi: Use ARRAY_SIZE macro Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove duplicates of the macro. Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-06-09 05:23:48 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
bases[indx] = pnp_port_start(pdev, 0);
[SCSI] drivers/scsi: Use ARRAY_SIZE macro Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove duplicates of the macro. Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-06-09 05:23:48 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
/* The card can be queried for its DMA, we have
the DMA set up that is enough */
[SCSI] drivers/scsi: Use ARRAY_SIZE macro Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove duplicates of the macro. Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-06-09 05:23:48 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
printk(KERN_INFO "ISAPnP found an AHA1535 at I/O 0x%03X\n", bases[indx]);
}
}
[SCSI] drivers/scsi: Use ARRAY_SIZE macro Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove duplicates of the macro. Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-06-09 05:23:48 +00:00
for (indx = 0; indx < ARRAY_SIZE(bases); indx++)
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
if (bases[indx] != 0 && request_region(bases[indx], 4, "aha1542")) {
shpnt = scsi_register(tpnt,
sizeof(struct aha1542_hostdata));
if(shpnt==NULL) {
release_region(bases[indx], 4);
continue;
}
if (!aha1542_test_port(bases[indx], shpnt))
goto unregister;
base_io = bases[indx];
/* Set the Bus on/off-times as not to ruin floppy performance */
{
unchar oncmd[] = {CMD_BUSON_TIME, 7};
unchar offcmd[] = {CMD_BUSOFF_TIME, 5};
if (setup_called[indx]) {
oncmd[1] = setup_buson[indx];
offcmd[1] = setup_busoff[indx];
}
aha1542_intr_reset(base_io);
aha1542_out(base_io, oncmd, 2);
WAIT(INTRFLAGS(base_io), INTRMASK, HACC, 0);
aha1542_intr_reset(base_io);
aha1542_out(base_io, offcmd, 2);
WAIT(INTRFLAGS(base_io), INTRMASK, HACC, 0);
if (setup_dmaspeed[indx] >= 0) {
unchar dmacmd[] = {CMD_DMASPEED, 0};
dmacmd[1] = setup_dmaspeed[indx];
aha1542_intr_reset(base_io);
aha1542_out(base_io, dmacmd, 2);
WAIT(INTRFLAGS(base_io), INTRMASK, HACC, 0);
}
while (0) {
fail:
printk(KERN_ERR "aha1542_detect: setting bus on/off-time failed\n");
}
aha1542_intr_reset(base_io);
}
if (aha1542_query(base_io, &trans))
goto unregister;
if (aha1542_getconfig(base_io, &irq_level, &dma_chan, &scsi_id) == -1)
goto unregister;
printk(KERN_INFO "Configuring Adaptec (SCSI-ID %d) at IO:%x, IRQ %d", scsi_id, base_io, irq_level);
if (dma_chan != 0xFF)
printk(", DMA priority %d", dma_chan);
printk("\n");
DEB(aha1542_stat());
setup_mailboxes(base_io, shpnt);
DEB(aha1542_stat());
DEB(printk("aha1542_detect: enable interrupt channel %d\n", irq_level));
spin_lock_irqsave(&aha1542_lock, flags);
[SCSI] aha1542: minor irq handler cleanups - where the 'irq' function argument is known never to be used, rename it to 'dummy' to make this more obvious - replace per-irq lookup functions and tables with a direct reference to data object obtained via 'dev_id' function argument, passed from request_irq() Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-24 23:45:32 +00:00
if (request_irq(irq_level, do_aha1542_intr_handle, 0,
"aha1542", shpnt)) {
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
printk(KERN_ERR "Unable to allocate IRQ for adaptec controller.\n");
spin_unlock_irqrestore(&aha1542_lock, flags);
goto unregister;
}
if (dma_chan != 0xFF) {
if (request_dma(dma_chan, "aha1542")) {
printk(KERN_ERR "Unable to allocate DMA channel for Adaptec.\n");
[SCSI] aha1542: minor irq handler cleanups - where the 'irq' function argument is known never to be used, rename it to 'dummy' to make this more obvious - replace per-irq lookup functions and tables with a direct reference to data object obtained via 'dev_id' function argument, passed from request_irq() Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-24 23:45:32 +00:00
free_irq(irq_level, shpnt);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
spin_unlock_irqrestore(&aha1542_lock, flags);
goto unregister;
}
if (dma_chan == 0 || dma_chan >= 5) {
set_dma_mode(dma_chan, DMA_MODE_CASCADE);
enable_dma(dma_chan);
}
}
[SCSI] aha1542: minor irq handler cleanups - where the 'irq' function argument is known never to be used, rename it to 'dummy' to make this more obvious - replace per-irq lookup functions and tables with a direct reference to data object obtained via 'dev_id' function argument, passed from request_irq() Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-24 23:45:32 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
shpnt->this_id = scsi_id;
shpnt->unique_id = base_io;
shpnt->io_port = base_io;
shpnt->n_io_port = 4; /* Number of bytes of I/O space used */
shpnt->dma_channel = dma_chan;
shpnt->irq = irq_level;
HOSTDATA(shpnt)->bios_translation = trans;
if (trans == BIOS_TRANSLATION_25563)
printk(KERN_INFO "aha1542.c: Using extended bios translation\n");
HOSTDATA(shpnt)->aha1542_last_mbi_used = (2 * AHA1542_MAILBOXES - 1);
HOSTDATA(shpnt)->aha1542_last_mbo_used = (AHA1542_MAILBOXES - 1);
memset(HOSTDATA(shpnt)->SCint, 0, sizeof(HOSTDATA(shpnt)->SCint));
spin_unlock_irqrestore(&aha1542_lock, flags);
#if 0
DEB(printk(" *** READ CAPACITY ***\n"));
{
unchar buf[8];
static unchar cmd[] = { READ_CAPACITY, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
int i;
for (i = 0; i < sizeof(buf); ++i)
buf[i] = 0x87;
for (i = 0; i < 2; ++i)
if (!aha1542_command(i, cmd, buf, sizeof(buf))) {
printk(KERN_DEBUG "aha_detect: LU %d sector_size %d device_size %d\n",
i, xscsi2int(buf + 4), xscsi2int(buf));
}
}
DEB(printk(" *** NOW RUNNING MY OWN TEST *** \n"));
for (i = 0; i < 4; ++i) {
unsigned char cmd[10];
static buffer[512];
cmd[0] = READ_10;
cmd[1] = 0;
xany2scsi(cmd + 2, i);
cmd[6] = 0;
cmd[7] = 0;
cmd[8] = 1;
cmd[9] = 0;
aha1542_command(0, cmd, buffer, 512);
}
#endif
count++;
continue;
unregister:
release_region(bases[indx], 4);
scsi_unregister(shpnt);
continue;
};
return count;
}
static int aha1542_release(struct Scsi_Host *shost)
{
if (shost->irq)
[SCSI] aha1542: minor irq handler cleanups - where the 'irq' function argument is known never to be used, rename it to 'dummy' to make this more obvious - replace per-irq lookup functions and tables with a direct reference to data object obtained via 'dev_id' function argument, passed from request_irq() Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-24 23:45:32 +00:00
free_irq(shost->irq, shost);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
if (shost->dma_channel != 0xff)
free_dma(shost->dma_channel);
if (shost->io_port && shost->n_io_port)
release_region(shost->io_port, shost->n_io_port);
scsi_unregister(shost);
return 0;
}
static int aha1542_restart(struct Scsi_Host *shost)
{
int i;
int count = 0;
#if 0
unchar ahacmd = CMD_START_SCSI;
#endif
for (i = 0; i < AHA1542_MAILBOXES; i++)
if (HOSTDATA(shost)->SCint[i] &&
!(HOSTDATA(shost)->SCint[i]->device->soft_reset)) {
#if 0
HOSTDATA(shost)->mb[i].status = 1; /* Indicate ready to restart... */
#endif
count++;
}
printk(KERN_DEBUG "Potential to restart %d stalled commands...\n", count);
#if 0
/* start scsi command */
if (count)
aha1542_out(shost->io_port, &ahacmd, 1);
#endif
return 0;
}
/*
* This is a device reset. This is handled by sending a special command
* to the device.
*/
static int aha1542_dev_reset(Scsi_Cmnd * SCpnt)
{
unsigned long flags;
struct mailbox *mb;
unchar target = SCpnt->device->id;
unchar lun = SCpnt->device->lun;
int mbo;
struct ccb *ccb;
unchar ahacmd = CMD_START_SCSI;
ccb = HOSTDATA(SCpnt->device->host)->ccb;
mb = HOSTDATA(SCpnt->device->host)->mb;
spin_lock_irqsave(&aha1542_lock, flags);
mbo = HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used + 1;
if (mbo >= AHA1542_MAILBOXES)
mbo = 0;
do {
if (mb[mbo].status == 0 && HOSTDATA(SCpnt->device->host)->SCint[mbo] == NULL)
break;
mbo++;
if (mbo >= AHA1542_MAILBOXES)
mbo = 0;
} while (mbo != HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used);
if (mb[mbo].status || HOSTDATA(SCpnt->device->host)->SCint[mbo])
panic("Unable to find empty mailbox for aha1542.\n");
HOSTDATA(SCpnt->device->host)->SCint[mbo] = SCpnt; /* This will effectively
prevent someone else from
screwing with this cdb. */
HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used = mbo;
spin_unlock_irqrestore(&aha1542_lock, flags);
any2scsi(mb[mbo].ccbptr, SCSI_BUF_PA(&ccb[mbo])); /* This gets trashed for some reason */
memset(&ccb[mbo], 0, sizeof(struct ccb));
ccb[mbo].op = 0x81; /* BUS DEVICE RESET */
ccb[mbo].idlun = (target & 7) << 5 | (lun & 7); /*SCSI Target Id */
ccb[mbo].linkptr[0] = ccb[mbo].linkptr[1] = ccb[mbo].linkptr[2] = 0;
ccb[mbo].commlinkid = 0;
/*
* Now tell the 1542 to flush all pending commands for this
* target
*/
aha1542_out(SCpnt->device->host->io_port, &ahacmd, 1);
[SCSI] use sfoo_printk() in drivers Rejections fixed up and Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-10-24 22:04:36 +00:00
scmd_printk(KERN_WARNING, SCpnt,
"Trying device reset for target\n");
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
return SUCCESS;
#ifdef ERIC_neverdef
/*
* With the 1542 we apparently never get an interrupt to
* acknowledge a device reset being sent. Then again, Leonard
* says we are doing this wrong in the first place...
*
* Take a wait and see attitude. If we get spurious interrupts,
* then the device reset is doing something sane and useful, and
* we will wait for the interrupt to post completion.
*/
printk(KERN_WARNING "Sent BUS DEVICE RESET to target %d\n", SCpnt->target);
/*
* Free the command block for all commands running on this
* target...
*/
for (i = 0; i < AHA1542_MAILBOXES; i++) {
if (HOSTDATA(SCpnt->host)->SCint[i] &&
HOSTDATA(SCpnt->host)->SCint[i]->target == SCpnt->target) {
Scsi_Cmnd *SCtmp;
SCtmp = HOSTDATA(SCpnt->host)->SCint[i];
[PATCH] kfree cleanup: drivers/scsi This is the drivers/scsi/ part of the big kfree cleanup patch. Remove pointless checks for NULL prior to calling kfree() in drivers/scsi/. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Acked-by: Kai Makisara <kai.makisara@kolumbus.fi> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-07 09:01:26 +00:00
kfree(SCtmp->host_scribble);
SCtmp->host_scribble = NULL;
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
HOSTDATA(SCpnt->host)->SCint[i] = NULL;
HOSTDATA(SCpnt->host)->mb[i].status = 0;
}
}
return SUCCESS;
return FAILED;
#endif /* ERIC_neverdef */
}
static int aha1542_bus_reset(Scsi_Cmnd * SCpnt)
{
int i;
/*
* This does a scsi reset for all devices on the bus.
* In principle, we could also reset the 1542 - should
* we do this? Try this first, and we can add that later
* if it turns out to be useful.
*/
outb(SCRST, CONTROL(SCpnt->device->host->io_port));
/*
* Wait for the thing to settle down a bit. Unfortunately
* this is going to basically lock up the machine while we
* wait for this to complete. To be 100% correct, we need to
* check for timeout, and if we are doing something like this
* we are pretty desperate anyways.
*/
ssleep(4);
[SCSI] allow sleeping in ->eh_bus_reset_handler() Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-05-28 11:56:31 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
spin_lock_irq(SCpnt->device->host->host_lock);
WAIT(STATUS(SCpnt->device->host->io_port),
STATMASK, INIT | IDLE, STST | DIAGF | INVDCMD | DF | CDF);
/*
* Now try to pick up the pieces. For all pending commands,
* free any internal data structures, and basically clear things
* out. We do not try and restart any commands or anything -
* the strategy handler takes care of that crap.
*/
printk(KERN_WARNING "Sent BUS RESET to scsi host %d\n", SCpnt->device->host->host_no);
for (i = 0; i < AHA1542_MAILBOXES; i++) {
if (HOSTDATA(SCpnt->device->host)->SCint[i] != NULL) {
Scsi_Cmnd *SCtmp;
SCtmp = HOSTDATA(SCpnt->device->host)->SCint[i];
if (SCtmp->device->soft_reset) {
/*
* If this device implements the soft reset option,
* then it is still holding onto the command, and
* may yet complete it. In this case, we don't
* flush the data.
*/
continue;
}
[PATCH] kfree cleanup: drivers/scsi This is the drivers/scsi/ part of the big kfree cleanup patch. Remove pointless checks for NULL prior to calling kfree() in drivers/scsi/. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Acked-by: Kai Makisara <kai.makisara@kolumbus.fi> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-07 09:01:26 +00:00
kfree(SCtmp->host_scribble);
SCtmp->host_scribble = NULL;
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
HOSTDATA(SCpnt->device->host)->SCint[i] = NULL;
HOSTDATA(SCpnt->device->host)->mb[i].status = 0;
}
}
[SCSI] allow sleeping in ->eh_bus_reset_handler() Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-05-28 11:56:31 +00:00
spin_unlock_irq(SCpnt->device->host->host_lock);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
return SUCCESS;
fail:
[SCSI] allow sleeping in ->eh_bus_reset_handler() Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-05-28 11:56:31 +00:00
spin_unlock_irq(SCpnt->device->host->host_lock);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
return FAILED;
}
static int aha1542_host_reset(Scsi_Cmnd * SCpnt)
{
int i;
/*
* This does a scsi reset for all devices on the bus.
* In principle, we could also reset the 1542 - should
* we do this? Try this first, and we can add that later
* if it turns out to be useful.
*/
outb(HRST | SCRST, CONTROL(SCpnt->device->host->io_port));
/*
* Wait for the thing to settle down a bit. Unfortunately
* this is going to basically lock up the machine while we
* wait for this to complete. To be 100% correct, we need to
* check for timeout, and if we are doing something like this
* we are pretty desperate anyways.
*/
ssleep(4);
spin_lock_irq(SCpnt->device->host->host_lock);
WAIT(STATUS(SCpnt->device->host->io_port),
STATMASK, INIT | IDLE, STST | DIAGF | INVDCMD | DF | CDF);
/*
* We need to do this too before the 1542 can interact with
* us again.
*/
setup_mailboxes(SCpnt->device->host->io_port, SCpnt->device->host);
/*
* Now try to pick up the pieces. For all pending commands,
* free any internal data structures, and basically clear things
* out. We do not try and restart any commands or anything -
* the strategy handler takes care of that crap.
*/
printk(KERN_WARNING "Sent BUS RESET to scsi host %d\n", SCpnt->device->host->host_no);
for (i = 0; i < AHA1542_MAILBOXES; i++) {
if (HOSTDATA(SCpnt->device->host)->SCint[i] != NULL) {
Scsi_Cmnd *SCtmp;
SCtmp = HOSTDATA(SCpnt->device->host)->SCint[i];
if (SCtmp->device->soft_reset) {
/*
* If this device implements the soft reset option,
* then it is still holding onto the command, and
* may yet complete it. In this case, we don't
* flush the data.
*/
continue;
}
[PATCH] kfree cleanup: drivers/scsi This is the drivers/scsi/ part of the big kfree cleanup patch. Remove pointless checks for NULL prior to calling kfree() in drivers/scsi/. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Acked-by: Kai Makisara <kai.makisara@kolumbus.fi> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-07 09:01:26 +00:00
kfree(SCtmp->host_scribble);
SCtmp->host_scribble = NULL;
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
HOSTDATA(SCpnt->device->host)->SCint[i] = NULL;
HOSTDATA(SCpnt->device->host)->mb[i].status = 0;
}
}
[SCSI] allow sleeping in ->eh_host_reset_handler() Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-05-28 11:57:14 +00:00
spin_unlock_irq(SCpnt->device->host->host_lock);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
return SUCCESS;
fail:
[SCSI] allow sleeping in ->eh_host_reset_handler() Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-05-28 11:57:14 +00:00
spin_unlock_irq(SCpnt->device->host->host_lock);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
return FAILED;
}
#if 0
/*
* These are the old error handling routines. They are only temporarily
* here while we play with the new error handling code.
*/
static int aha1542_old_abort(Scsi_Cmnd * SCpnt)
{
#if 0
unchar ahacmd = CMD_START_SCSI;
unsigned long flags;
struct mailbox *mb;
int mbi, mbo, i;
printk(KERN_DEBUG "In aha1542_abort: %x %x\n",
inb(STATUS(SCpnt->host->io_port)),
inb(INTRFLAGS(SCpnt->host->io_port)));
spin_lock_irqsave(&aha1542_lock, flags);
mb = HOSTDATA(SCpnt->host)->mb;
mbi = HOSTDATA(SCpnt->host)->aha1542_last_mbi_used + 1;
if (mbi >= 2 * AHA1542_MAILBOXES)
mbi = AHA1542_MAILBOXES;
do {
if (mb[mbi].status != 0)
break;
mbi++;
if (mbi >= 2 * AHA1542_MAILBOXES)
mbi = AHA1542_MAILBOXES;
} while (mbi != HOSTDATA(SCpnt->host)->aha1542_last_mbi_used);
spin_unlock_irqrestore(&aha1542_lock, flags);
if (mb[mbi].status) {
printk(KERN_ERR "Lost interrupt discovered on irq %d - attempting to recover\n",
SCpnt->host->irq);
aha1542_intr_handle(SCpnt->host, NULL);
return 0;
}
/* OK, no lost interrupt. Try looking to see how many pending commands
we think we have. */
for (i = 0; i < AHA1542_MAILBOXES; i++)
if (HOSTDATA(SCpnt->host)->SCint[i]) {
if (HOSTDATA(SCpnt->host)->SCint[i] == SCpnt) {
printk(KERN_ERR "Timed out command pending for %s\n",
SCpnt->request->rq_disk ?
SCpnt->request->rq_disk->disk_name : "?"
);
if (HOSTDATA(SCpnt->host)->mb[i].status) {
printk(KERN_ERR "OGMB still full - restarting\n");
aha1542_out(SCpnt->host->io_port, &ahacmd, 1);
};
} else
printk(KERN_ERR "Other pending command %s\n",
SCpnt->request->rq_disk ?
SCpnt->request->rq_disk->disk_name : "?"
);
}
#endif
DEB(printk("aha1542_abort\n"));
#if 0
spin_lock_irqsave(&aha1542_lock, flags);
for (mbo = 0; mbo < AHA1542_MAILBOXES; mbo++) {
if (SCpnt == HOSTDATA(SCpnt->host)->SCint[mbo]) {
mb[mbo].status = 2; /* Abort command */
aha1542_out(SCpnt->host->io_port, &ahacmd, 1); /* start scsi command */
spin_unlock_irqrestore(&aha1542_lock, flags);
break;
}
}
if (AHA1542_MAILBOXES == mbo)
spin_unlock_irqrestore(&aha1542_lock, flags);
#endif
return SCSI_ABORT_SNOOZE;
}
/* We do not implement a reset function here, but the upper level code
assumes that it will get some kind of response for the command in
SCpnt. We must oblige, or the command will hang the scsi system.
For a first go, we assume that the 1542 notifies us with all of the
pending commands (it does implement soft reset, after all). */
static int aha1542_old_reset(Scsi_Cmnd * SCpnt, unsigned int reset_flags)
{
unchar ahacmd = CMD_START_SCSI;
int i;
/*
* See if a bus reset was suggested.
*/
if (reset_flags & SCSI_RESET_SUGGEST_BUS_RESET) {
/*
* This does a scsi reset for all devices on the bus.
* In principle, we could also reset the 1542 - should
* we do this? Try this first, and we can add that later
* if it turns out to be useful.
*/
outb(HRST | SCRST, CONTROL(SCpnt->host->io_port));
/*
* Wait for the thing to settle down a bit. Unfortunately
* this is going to basically lock up the machine while we
* wait for this to complete. To be 100% correct, we need to
* check for timeout, and if we are doing something like this
* we are pretty desperate anyways.
*/
WAIT(STATUS(SCpnt->host->io_port),
STATMASK, INIT | IDLE, STST | DIAGF | INVDCMD | DF | CDF);
/*
* We need to do this too before the 1542 can interact with
* us again.
*/
setup_mailboxes(SCpnt->host->io_port, SCpnt->host);
/*
* Now try to pick up the pieces. Restart all commands
* that are currently active on the bus, and reset all of
* the datastructures. We have some time to kill while
* things settle down, so print a nice message.
*/
printk(KERN_WARNING "Sent BUS RESET to scsi host %d\n", SCpnt->host->host_no);
for (i = 0; i < AHA1542_MAILBOXES; i++)
if (HOSTDATA(SCpnt->host)->SCint[i] != NULL) {
Scsi_Cmnd *SCtmp;
SCtmp = HOSTDATA(SCpnt->host)->SCint[i];
SCtmp->result = DID_RESET << 16;
[PATCH] kfree cleanup: drivers/scsi This is the drivers/scsi/ part of the big kfree cleanup patch. Remove pointless checks for NULL prior to calling kfree() in drivers/scsi/. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Acked-by: Kai Makisara <kai.makisara@kolumbus.fi> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-07 09:01:26 +00:00
kfree(SCtmp->host_scribble);
SCtmp->host_scribble = NULL;
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
printk(KERN_WARNING "Sending DID_RESET for target %d\n", SCpnt->target);
SCtmp->scsi_done(SCpnt);
HOSTDATA(SCpnt->host)->SCint[i] = NULL;
HOSTDATA(SCpnt->host)->mb[i].status = 0;
}
/*
* Now tell the mid-level code what we did here. Since
* we have restarted all of the outstanding commands,
* then report SUCCESS.
*/
return (SCSI_RESET_SUCCESS | SCSI_RESET_BUS_RESET);
fail:
printk(KERN_CRIT "aha1542.c: Unable to perform hard reset.\n");
printk(KERN_CRIT "Power cycle machine to reset\n");
return (SCSI_RESET_ERROR | SCSI_RESET_BUS_RESET);
} else {
/* This does a selective reset of just the one device */
/* First locate the ccb for this command */
for (i = 0; i < AHA1542_MAILBOXES; i++)
if (HOSTDATA(SCpnt->host)->SCint[i] == SCpnt) {
HOSTDATA(SCpnt->host)->ccb[i].op = 0x81; /* BUS DEVICE RESET */
/* Now tell the 1542 to flush all pending commands for this target */
aha1542_out(SCpnt->host->io_port, &ahacmd, 1);
/* Here is the tricky part. What to do next. Do we get an interrupt
for the commands that we aborted with the specified target, or
do we generate this on our own? Try it without first and see
what happens */
printk(KERN_WARNING "Sent BUS DEVICE RESET to target %d\n", SCpnt->target);
/* If the first does not work, then try the second. I think the
first option is more likely to be correct. Free the command
block for all commands running on this target... */
for (i = 0; i < AHA1542_MAILBOXES; i++)
if (HOSTDATA(SCpnt->host)->SCint[i] &&
HOSTDATA(SCpnt->host)->SCint[i]->target == SCpnt->target) {
Scsi_Cmnd *SCtmp;
SCtmp = HOSTDATA(SCpnt->host)->SCint[i];
SCtmp->result = DID_RESET << 16;
[PATCH] kfree cleanup: drivers/scsi This is the drivers/scsi/ part of the big kfree cleanup patch. Remove pointless checks for NULL prior to calling kfree() in drivers/scsi/. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Acked-by: Kai Makisara <kai.makisara@kolumbus.fi> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-07 09:01:26 +00:00
kfree(SCtmp->host_scribble);
SCtmp->host_scribble = NULL;
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
printk(KERN_WARNING "Sending DID_RESET for target %d\n", SCpnt->target);
SCtmp->scsi_done(SCpnt);
HOSTDATA(SCpnt->host)->SCint[i] = NULL;
HOSTDATA(SCpnt->host)->mb[i].status = 0;
}
return SCSI_RESET_SUCCESS;
}
}
/* No active command at this time, so this means that each time we got
some kind of response the last time through. Tell the mid-level code
to request sense information in order to decide what to do next. */
return SCSI_RESET_PUNT;
}
#endif /* end of big comment block around old_abort + old_reset */
static int aha1542_biosparam(struct scsi_device *sdev,
struct block_device *bdev, sector_t capacity, int *ip)
{
int translation_algorithm;
int size = capacity;
translation_algorithm = HOSTDATA(sdev->host)->bios_translation;
if ((size >> 11) > 1024 && translation_algorithm == BIOS_TRANSLATION_25563) {
/* Please verify that this is the same as what DOS returns */
ip[0] = 255;
ip[1] = 63;
ip[2] = size / 255 / 63;
} else {
ip[0] = 64;
ip[1] = 32;
ip[2] = size >> 11;
}
return 0;
}
MODULE_LICENSE("GPL");
[SCSI] remove Scsi_Host_Template typedef Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-10-31 17:31:40 +00:00
static struct scsi_host_template driver_template = {
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 22:20:36 +00:00
.proc_name = "aha1542",
.name = "Adaptec 1542",
.detect = aha1542_detect,
.release = aha1542_release,
.queuecommand = aha1542_queuecommand,
.eh_device_reset_handler= aha1542_dev_reset,
.eh_bus_reset_handler = aha1542_bus_reset,
.eh_host_reset_handler = aha1542_host_reset,
.bios_param = aha1542_biosparam,
.can_queue = AHA1542_MAILBOXES,
.this_id = 7,
.sg_tablesize = AHA1542_SCATTER,
.cmd_per_lun = AHA1542_CMDLUN,
.unchecked_isa_dma = 1,
.use_clustering = ENABLE_CLUSTERING,
};
#include "scsi_module.c"
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