lkml.org 
[lkml]   [2003]   [Feb]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
SubjectPATCH: Fix aha1542
Date
From
Randy Dunlap included this with the 152x stuff which then got lost in
discussion about core changes and queueing reset. 154x doesnt need the
extra discussion. Also adds a fix to use mca-legacy as needed for 1640
right now

diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.61/drivers/scsi/aha1542.c linux-2.5.61-ac1/drivers/scsi/aha1542.c
--- linux-2.5.61/drivers/scsi/aha1542.c 2003-02-10 18:38:39.000000000 +0000
+++ linux-2.5.61-ac1/drivers/scsi/aha1542.c 2003-02-14 20:13:00.000000000 +0000
@@ -40,6 +40,7 @@
#include <linux/isapnp.h>
#include <linux/blk.h>
#include <linux/mca.h>
+#include <linux/mca-legacy.h>

#include <asm/dma.h>
#include <asm/system.h>
@@ -597,8 +598,8 @@
unchar ahacmd = CMD_START_SCSI;
unchar direction;
unchar *cmd = (unchar *) SCpnt->cmnd;
- unchar target = SCpnt->target;
- unchar lun = SCpnt->lun;
+ unchar target = SCpnt->device->id;
+ unchar lun = SCpnt->device->lun;
unsigned long flags;
void *buff = SCpnt->request_buffer;
int bufflen = SCpnt->request_bufflen;
@@ -608,8 +609,8 @@

DEB(int i);

- mb = HOSTDATA(SCpnt->host)->mb;
- ccb = HOSTDATA(SCpnt->host)->ccb;
+ mb = HOSTDATA(SCpnt->device->host)->mb;
+ ccb = HOSTDATA(SCpnt->device->host)->ccb;

DEB(if (target > 1) {
SCpnt->result = DID_TIME_OUT << 16;
@@ -653,25 +654,25 @@
is how the host adapter will scan for them */

spin_lock_irqsave(&aha1542_lock, flags);
- mbo = HOSTDATA(SCpnt->host)->aha1542_last_mbo_used + 1;
+ mbo = HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used + 1;
if (mbo >= AHA1542_MAILBOXES)
mbo = 0;

do {
- if (mb[mbo].status == 0 && HOSTDATA(SCpnt->host)->SCint[mbo] == NULL)
+ if (mb[mbo].status == 0 && HOSTDATA(SCpnt->device->host)->SCint[mbo] == NULL)
break;
mbo++;
if (mbo >= AHA1542_MAILBOXES)
mbo = 0;
- } while (mbo != HOSTDATA(SCpnt->host)->aha1542_last_mbo_used);
+ } while (mbo != HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used);

- if (mb[mbo].status || HOSTDATA(SCpnt->host)->SCint[mbo])
+ if (mb[mbo].status || HOSTDATA(SCpnt->device->host)->SCint[mbo])
panic("Unable to find empty mailbox for aha1542.\n");

- HOSTDATA(SCpnt->host)->SCint[mbo] = SCpnt; /* This will effectively prevent someone else from
+ HOSTDATA(SCpnt->device->host)->SCint[mbo] = SCpnt; /* This will effectively prevent someone else from
screwing with this cdb. */

- HOSTDATA(SCpnt->host)->aha1542_last_mbo_used = mbo;
+ HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used = mbo;
spin_unlock_irqrestore(&aha1542_lock, flags);

#ifdef DEBUG
@@ -762,7 +763,7 @@
aha1542_stat());
SCpnt->scsi_done = done;
mb[mbo].status = 1;
- aha1542_out(SCpnt->host->io_port, &ahacmd, 1); /* start scsi command */
+ 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");
@@ -1356,7 +1357,7 @@
*/

printk(KERN_ERR "aha1542.c: Unable to abort command for target %d\n",
- SCpnt->target);
+ SCpnt->device->id);
return FAILED;
}

@@ -1368,36 +1369,36 @@
{
unsigned long flags;
struct mailbox *mb;
- unchar target = SCpnt->target;
- unchar lun = SCpnt->lun;
+ unchar target = SCpnt->device->id;
+ unchar lun = SCpnt->device->lun;
int mbo;
struct ccb *ccb;
unchar ahacmd = CMD_START_SCSI;

- ccb = HOSTDATA(SCpnt->host)->ccb;
- mb = HOSTDATA(SCpnt->host)->mb;
+ ccb = HOSTDATA(SCpnt->device->host)->ccb;
+ mb = HOSTDATA(SCpnt->device->host)->mb;

spin_lock_irqsave(&aha1542_lock, flags);
- mbo = HOSTDATA(SCpnt->host)->aha1542_last_mbo_used + 1;
+ mbo = HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used + 1;
if (mbo >= AHA1542_MAILBOXES)
mbo = 0;

do {
- if (mb[mbo].status == 0 && HOSTDATA(SCpnt->host)->SCint[mbo] == NULL)
+ if (mb[mbo].status == 0 && HOSTDATA(SCpnt->device->host)->SCint[mbo] == NULL)
break;
mbo++;
if (mbo >= AHA1542_MAILBOXES)
mbo = 0;
- } while (mbo != HOSTDATA(SCpnt->host)->aha1542_last_mbo_used);
+ } while (mbo != HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used);

- if (mb[mbo].status || HOSTDATA(SCpnt->host)->SCint[mbo])
+ if (mb[mbo].status || HOSTDATA(SCpnt->device->host)->SCint[mbo])
panic("Unable to find empty mailbox for aha1542.\n");

- HOSTDATA(SCpnt->host)->SCint[mbo] = SCpnt; /* This will effectively
+ HOSTDATA(SCpnt->device->host)->SCint[mbo] = SCpnt; /* This will effectively
prevent someone else from
screwing with this cdb. */

- HOSTDATA(SCpnt->host)->aha1542_last_mbo_used = mbo;
+ 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 */
@@ -1415,9 +1416,9 @@
* Now tell the 1542 to flush all pending commands for this
* target
*/
- aha1542_out(SCpnt->host->io_port, &ahacmd, 1);
+ aha1542_out(SCpnt->device->host->io_port, &ahacmd, 1);

- printk(KERN_WARNING "aha1542.c: Trying device reset for target %d\n", SCpnt->target);
+ printk(KERN_WARNING "aha1542.c: Trying device reset for target %d\n", SCpnt->device->id);

return SUCCESS;

@@ -1467,7 +1468,7 @@
* we do this? Try this first, and we can add that later
* if it turns out to be useful.
*/
- outb(SCRST, CONTROL(SCpnt->host->io_port));
+ outb(SCRST, CONTROL(SCpnt->device->host->io_port));

/*
* Wait for the thing to settle down a bit. Unfortunately
@@ -1476,11 +1477,11 @@
* check for timeout, and if we are doing something like this
* we are pretty desperate anyways.
*/
- spin_unlock_irq(SCpnt->host->host_lock);
+ spin_unlock_irq(SCpnt->device->host->host_lock);
scsi_sleep(4 * HZ);
- spin_lock_irq(SCpnt->host->host_lock);
+ spin_lock_irq(SCpnt->device->host->host_lock);

- WAIT(STATUS(SCpnt->host->io_port),
+ WAIT(STATUS(SCpnt->device->host->io_port),
STATMASK, INIT | IDLE, STST | DIAGF | INVDCMD | DF | CDF);

/*
@@ -1489,12 +1490,12 @@
* 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->host->host_no);
+ 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->host)->SCint[i] != NULL) {
+ if (HOSTDATA(SCpnt->device->host)->SCint[i] != NULL) {
Scsi_Cmnd *SCtmp;
- SCtmp = HOSTDATA(SCpnt->host)->SCint[i];
+ SCtmp = HOSTDATA(SCpnt->device->host)->SCint[i];


if (SCtmp->device->soft_reset) {
@@ -1510,8 +1511,8 @@
kfree(SCtmp->host_scribble);
SCtmp->host_scribble = NULL;
}
- HOSTDATA(SCpnt->host)->SCint[i] = NULL;
- HOSTDATA(SCpnt->host)->mb[i].status = 0;
+ HOSTDATA(SCpnt->device->host)->SCint[i] = NULL;
+ HOSTDATA(SCpnt->device->host)->mb[i].status = 0;
}
}

@@ -1531,7 +1532,7 @@
* 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));
+ outb(HRST | SCRST, CONTROL(SCpnt->device->host->io_port));

/*
* Wait for the thing to settle down a bit. Unfortunately
@@ -1540,18 +1541,18 @@
* check for timeout, and if we are doing something like this
* we are pretty desperate anyways.
*/
- spin_unlock_irq(SCpnt->host->host_lock);
+ spin_unlock_irq(SCpnt->device->host->host_lock);
scsi_sleep(4 * HZ);
- spin_lock_irq(SCpnt->host->host_lock);
+ spin_lock_irq(SCpnt->device->host->host_lock);

- WAIT(STATUS(SCpnt->host->io_port),
+ 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->host->io_port, SCpnt->host);
+ setup_mailboxes(SCpnt->device->host->io_port, SCpnt->device->host);

/*
* Now try to pick up the pieces. For all pending commands,
@@ -1559,12 +1560,12 @@
* 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->host->host_no);
+ 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->host)->SCint[i] != NULL) {
+ if (HOSTDATA(SCpnt->device->host)->SCint[i] != NULL) {
Scsi_Cmnd *SCtmp;
- SCtmp = HOSTDATA(SCpnt->host)->SCint[i];
+ SCtmp = HOSTDATA(SCpnt->device->host)->SCint[i];

if (SCtmp->device->soft_reset) {
/*
@@ -1579,8 +1580,8 @@
kfree(SCtmp->host_scribble);
SCtmp->host_scribble = NULL;
}
- HOSTDATA(SCpnt->host)->SCint[i] = NULL;
- HOSTDATA(SCpnt->host)->mb[i].status = 0;
+ HOSTDATA(SCpnt->device->host)->SCint[i] = NULL;
+ HOSTDATA(SCpnt->device->host)->mb[i].status = 0;
}
}

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
\
 
 \ /
  Last update: 2005-03-22 13:33    [W:0.054 / U:0.116 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site