linux-2.6
17 years ago[SCSI] advansys: Remove asc_board_t typedef and ASC_BOARDP macro
Matthew Wilcox [Wed, 3 Oct 2007 01:55:31 +0000 (21:55 -0400)] 
[SCSI] advansys: Remove asc_board_t typedef and ASC_BOARDP macro

asc_board_t was simply a typedef for struct asc_board.  ASC_BOARDP()
can be replaced by shost_priv() except in the ASC_STATS* macros which
rely on the cast; add an explicit cast there.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Merge ASC_IERR definitions
Matthew Wilcox [Wed, 3 Oct 2007 01:55:30 +0000 (21:55 -0400)] 
[SCSI] advansys: Merge ASC_IERR definitions

There were two blocks of ASC_IERR definitions; one for narrow and one for
wide boards.  Some of the same names were used (with the same values),
and some of the same values were used with different names.  This could
only lead to confusion, so I unified them in one block of definitions
with no overlapping values.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Sort out irq number mess
Matthew Wilcox [Wed, 3 Oct 2007 01:55:29 +0000 (21:55 -0400)] 
[SCSI] advansys: Sort out irq number mess

The interrupt number was being stored in 4-5 different places, each with
its own type, rules and usage.  Fix this by keeping an unsigned int in
the struct asc_board, and filling it in from the bus probe functions
(since it's different for each of the four bus types).  In order to do
this, we have to allocate the Scsi_Host in the bus probe functions too.
Then we can return an error from advansys_board_found, which requires
a little rearranging of code (and removing of the err_code variable).
Move the Wide Board flag setting into the PCI bus probe function.

Split the AscGetChipIRQ function into three functions (one for each bus
type that needs it) and add some commentary to explain what's going on.
Also get rid of the AscSetChipIRQ function as we only ever set the
interrupt number to the same value it already had.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Remove ASC_WIDE_BOARD predicate
Matthew Wilcox [Wed, 3 Oct 2007 01:55:28 +0000 (21:55 -0400)] 
[SCSI] advansys: Remove ASC_WIDE_BOARD predicate

Replace it with !ASC_NARROW_BOARD

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Remove ASC_SELECT_QUEUE_DEPTHS
Matthew Wilcox [Wed, 3 Oct 2007 01:55:27 +0000 (21:55 -0400)] 
[SCSI] advansys: Remove ASC_SELECT_QUEUE_DEPTHS

It was only ever set; never tested, nor cleared.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Improve reset handler
Matthew Wilcox [Wed, 3 Oct 2007 01:55:26 +0000 (21:55 -0400)] 
[SCSI] advansys: Improve reset handler

 - Don't need to set ASC_HOST_IN_RESET any more
 - Don't need to test scp->device->host for NULL -- if it's NULL, we
   couldn't've been called.
 - Use scmd_printk instead of ASC_PRINT

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Fix simultaneous calls to ->queuecommand
Matthew Wilcox [Wed, 3 Oct 2007 01:55:25 +0000 (21:55 -0400)] 
[SCSI] advansys: Fix simultaneous calls to ->queuecommand

The narrow board used two global structures to set up a command;
unfortunately they weren't locked, so with two boards in the machine,
one call to queuecommand could corrupt the data being used by the other
call to queuecommand.

Fix this by allocating asc_scsi_q on the stack (64 bytes) and using kmalloc
for the asc_sg_head (2k)

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Restructure asc_execute_scsi_cmnd()
Matthew Wilcox [Wed, 3 Oct 2007 01:55:24 +0000 (21:55 -0400)] 
[SCSI] advansys: Restructure asc_execute_scsi_cmnd()

The wide and narrow boards share identical handling of the return value,
except for some trivial error messages.  Move the handling to the common
end of the function.  Also move variable declarations to the arms of
the `if' that they're used in and delete some pointless comments.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Remove array of scsi targets
Matthew Wilcox [Wed, 3 Oct 2007 01:55:23 +0000 (21:55 -0400)] 
[SCSI] advansys: Remove array of scsi targets

The driver was saving a scsi_device for each target, but wasn't doing
anything useful with them.  Just delete the array.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Eliminate prototypes
Matthew Wilcox [Wed, 3 Oct 2007 01:55:22 +0000 (21:55 -0400)] 
[SCSI] advansys: Eliminate prototypes

Rearrange a lot of the functions in the file to get rid of all the forward
declarations.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] Get rid of scsi_cmnd->done
Matthew Wilcox [Tue, 25 Sep 2007 16:42:04 +0000 (12:42 -0400)] 
[SCSI] Get rid of scsi_cmnd->done

The ULD ->done callback moves into the scsi_driver.  By moving the call
to scsi_io_completion() from scsi_blk_pc_done() to scsi_finish_command(),
we can eliminate the latter entirely.  By returning 'good_bytes' from
the ->done callback (rather than invoking scsi_io_completion()), we can
stop exporting scsi_io_completion().

Also move the prototypes from sd.h to sd.c as they're all internal anyway.
Rename sd_rw_intr to sd_done and rw_intr to sr_done.

Inspired-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] gdth: Stop abusing ->done for internal commands
Matthew Wilcox [Tue, 25 Sep 2007 16:42:03 +0000 (12:42 -0400)] 
[SCSI] gdth: Stop abusing ->done for internal commands

The ->done member was being used to mark commands as being internal.
I decided to put a magic number in ->underflow instead.  I believe this
to be safe as no current user of ->underflow has any of the bottom 9
bits set.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] qlogicpti: Add a slave_configure method
Matthew Wilcox [Mon, 1 Oct 2007 14:07:52 +0000 (08:07 -0600)] 
[SCSI] qlogicpti: Add a slave_configure method

By configuring targets in slave_configure, we can eliminate a shadow
queuecommand, a shadow scsi_done, a write to the host template, abuse of
SCp->Message and SCp->Status, a use of kmap_atomic() and sniffing the
results of INQUIRY.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] Update Documentation/scsi/00-INDEX
Rob Landley [Mon, 1 Oct 2007 04:23:39 +0000 (23:23 -0500)] 
[SCSI] Update Documentation/scsi/00-INDEX

Update Documentation/scsi/00-INDEX to match current files.

Signed-off-by: Rob Landley <rob@landley.net>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] aic94xx: fix SSP IU status print-out
Jeff Garzik [Sun, 30 Sep 2007 14:03:17 +0000 (10:03 -0400)] 
[SCSI] aic94xx: fix SSP IU status print-out

The SSP response DPRINTK in asd_get_response_tasklet() was printing
a hardcoded status result, rather than the status from the SSP
response IU.

Arguably, this should not be a DPRINTK either, since the admin might
want to know about this.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] mptctl : shutup uninitialized variable warnings
Eric Moore [Sat, 29 Sep 2007 16:22:54 +0000 (10:22 -0600)] 
[SCSI] mptctl : shutup uninitialized variable warnings

drivers/message/fusion/mptctl.c: In function ‘mptctl_mpt_command’:
drivers/message/fusion/mptctl.c:1764: warning: ‘bufIn.len’ may be used uninitialized in this function
drivers/message/fusion/mptctl.c:1765: warning: ‘bufOut.len’ may be used uninitialized in this function

come because gcc gets confused by some "goto" statements in above
function.  The warnings have been verified to be bogus, however, the
function does initialize these later (after the offending goto's) in
the function anyway.  So let's move those initializations to top of
function, thereby also shutting up these warnings.

Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: Satyam Sharma <satyam@infradead.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] mptlan: bug fix, only half the message frame is dma'd resulting in corruption
Eric Moore [Sat, 29 Sep 2007 16:17:49 +0000 (10:17 -0600)] 
[SCSI] mptlan: bug fix, only half the message frame is dma'd resulting in corruption

NB = number of blocks.  This represents the number of blocks to
transfer.  The block size is based on the message frame size provided
in the ioc_facts. A value of zero indicates the entire message frame
should be copied. This is two bit value.  So by setting this to
non-zero vaule, you increase performance by reducing amount of data
needing to be dma'd.  The value that is stored in ioc->ReqeustNB is
sometimes a non-zero vaule, which creates a bug in mptlan, where not
the entire message frame is getting transfer to firware, resulting in
corruption.  This fix sets the default to zero, thus entire message
frame is copied.

Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] mpt fusion: fix up fusion prints using the sdev_printk, dev_printk, and shost_...
Eric Moore [Sat, 29 Sep 2007 16:17:21 +0000 (10:17 -0600)] 
[SCSI] mpt fusion: fix up fusion prints using the sdev_printk, dev_printk, and shost_printk API

Cleaning up prints that use the xxx_printk API, in that the fusion
preamble "mptbase: iocX" follows the info provided by the print API.
The way its currently coded, the [H:C:T] print in sdev_printk will be
inbetween "mptbase" and "iocX", instead of before.

Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] mpt fusion: lock down ScsiLookup
Eric Moore [Sat, 29 Sep 2007 16:16:53 +0000 (10:16 -0600)] 
[SCSI] mpt fusion: lock down ScsiLookup

ScsiLookup is an array of pending scmd pointers that the scsi lld
maintains. This array is touched from queuecommand, eh threads, and
interrupt context. This array should put under locks, hence this patch
to synchronize its access.  I've added some nice little function
wrappers for this, and moved the ScsiLookup array over to MPT_ADAPTER
struct.

Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] mpt fusion: Fix sparse warnings
Eric Moore [Sat, 29 Sep 2007 16:16:28 +0000 (10:16 -0600)] 
[SCSI] mpt fusion: Fix sparse warnings

List below is output from C=2 sparse compilation, which are fixed with
this patch.

1) mptspi: pg0 is defined in x86 version of include/asm/pgtable.h

2) mptsas: context imbalance in 'mptsas_probe' different lock contexts
   for basic block

3) mptbase: from mpt_attach - cast adds address space to expression

4) mptbase: from mpt_do_upload - request[] is bad constant expression

Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] mpt fusion: add use of shost_priv and remove all the typecasting
Eric Moore [Sat, 29 Sep 2007 16:15:59 +0000 (10:15 -0600)] 
[SCSI] mpt fusion: add use of shost_priv and remove all the typecasting

The driver is currently typecasting to obtain the shost hostdata. The
driver is updated to use the shost_priv macro.

Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] Fix mistaken uses of ->done
Matthew Wilcox [Tue, 25 Sep 2007 16:42:01 +0000 (12:42 -0400)] 
[SCSI] Fix mistaken uses of ->done

All these drivers meant to call ->scsi_done() but got confused.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] pluto: Don't abuse ->done for internal commands
Matthew Wilcox [Tue, 25 Sep 2007 16:42:02 +0000 (12:42 -0400)] 
[SCSI] pluto: Don't abuse ->done for internal commands

We can simply call the internal done function directly

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] Fix device not ready printk
James Bottomley [Sun, 23 Sep 2007 14:08:46 +0000 (09:08 -0500)] 
[SCSI] Fix device not ready printk

Because scsi_print_sense_hdr prefixes with KERN_INFO, the output from
scsi_io_completion looks like:

sd 0:0:0:0: [sdb] Device not ready: <6>: Sense Key : 0x2 [current]
: ASC=0x4 ASCQ=0x3

By using scsi_show_sense_hdr, we can get the much more appealing output:

sd 0:0:0:0: [sdb] Device not ready: Sense Key : 0x2 [current]
sd 0:0:0:0: [sdb] Device not ready: ASC=0x4 ASCQ=0x3

Acked-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] Remove ->pid field from scsi_cmnd
Matthew Wilcox [Wed, 19 Sep 2007 01:54:43 +0000 (19:54 -0600)] 
[SCSI] Remove ->pid field from scsi_cmnd

The pid field is a duplicate of the serial_number field and has been
scheduled for removal for a long time.  A few drivers were still using
it, so just change them to use serial_number instead.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] fix scsi_is_sdev_device() after switch to default sdev attributes
Kay Sievers [Wed, 26 Sep 2007 17:54:49 +0000 (19:54 +0200)] 
[SCSI] fix scsi_is_sdev_device() after switch to default sdev attributes

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] ips: Update version information
Bernhard Walle [Sat, 22 Sep 2007 19:55:19 +0000 (21:55 +0200)] 
[SCSI] ips: Update version information

This patch just makes the version number in ips.c and ips.h consistent. It
seems that this has been forgotten in a60768e2d43eb30a1adb8a119aeac35dc0d03ef6.

It also removes code duplication, each number is now only once in the code to
avoid similar errors in the future.

Signed-off-by: Bernhard Walle <bwalle@suse.de>
Acked-by: Mark Salyzyn <aacraid@adaptec.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] ips: Close narrow race in release
Matthew Wilcox [Wed, 15 Aug 2007 18:57:00 +0000 (12:57 -0600)] 
[SCSI] ips: Close narrow race in release

We were releasing the IRQ before removing the host, so commands could
still be coming in which would never be seen by the interrupt handler.
Just remove the host before releasing the IRQ to close this race.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] aic94xx: Free scsi host on error
Matthew Wilcox [Wed, 15 Aug 2007 18:56:55 +0000 (12:56 -0600)] 
[SCSI] aic94xx: Free scsi host on error

If an error occurred during initialisation, we would sometimes fail to
call scsi_host_put() and thus end up with a leaked scsi_host.  It was
also possible to miss calling scsi_remove_host().

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] simscsi: Free scsi host on error
Matthew Wilcox [Wed, 15 Aug 2007 18:56:54 +0000 (12:56 -0600)] 
[SCSI] simscsi: Free scsi host on error

If scsi_add_host returned an error, the host would never be freed.
We need to call scsi_host_put() if an error happens.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] qlogicfas: Close narrow race in release
Matthew Wilcox [Wed, 15 Aug 2007 18:56:59 +0000 (12:56 -0600)] 
[SCSI] qlogicfas: Close narrow race in release

We were releasing the IRQ before removing the host, so commands could
still be coming in which would never be seen by the interrupt handler.
Just remove the host before releasing the IRQ to close this race.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] aha152x: Close narrow race in release
Matthew Wilcox [Wed, 15 Aug 2007 18:56:57 +0000 (12:56 -0600)] 
[SCSI] aha152x: Close narrow race in release

We were releasing the IRQ before removing the host, so commands could
still be coming in which would never be seen by the interrupt handler.
Just remove the host before releasing the IRQ to close this race.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] ncr53c8xx: Call scsi_host_put in release
Matthew Wilcox [Wed, 15 Aug 2007 18:56:56 +0000 (12:56 -0600)] 
[SCSI] ncr53c8xx: Call scsi_host_put in release

Since ncr53c8xx_attach() calls scsi_host_put(), make ncr53c8xx_release()
call scsi_host_put() too, for symmetry.  Both callers already expect
it to put the host for them, so that works out nicely.  While the zalon
driver does 'use' the host pointer afterwards, it only compares it for
equality and doesn't dereference it, so that's safe.

While I'm at it, get rid of pointless checks for NULL, use shost_priv()
and change ncr53c8xx_release to return void.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] ide-scsi: Close narrow race in release
Matthew Wilcox [Wed, 15 Aug 2007 18:57:01 +0000 (12:57 -0600)] 
[SCSI] ide-scsi: Close narrow race in release

We were releasing the block devices before removing the host, so commands
could still be coming in which would cause a panic.  Just remove the
host before releasing the block devices to close this race.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] ibmmca: Stop leaking scsi_hosts on exit
Matthew Wilcox [Wed, 15 Aug 2007 18:56:58 +0000 (12:56 -0600)] 
[SCSI] ibmmca: Stop leaking scsi_hosts on exit

There was a missing call to scsi_host_put() causing us to leak a scsi
host every time this module was unloaded.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] scsi_scan: Cope with kthread_run failing
Matthew Wilcox [Mon, 20 Aug 2007 15:18:48 +0000 (09:18 -0600)] 
[SCSI] scsi_scan: Cope with kthread_run failing

If kthread_run failed, we would fail to scan the host, and leak the
allocated async_scan_data.  Since using a separate thread is just an
optimisation, do the scan synchronously if we fail to spawn a thread.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] Improve error message when offlining a device
Matthew Wilcox [Fri, 17 Aug 2007 17:02:10 +0000 (11:02 -0600)] 
[SCSI] Improve error message when offlining a device

The current code prints:

scsi 13:0:4:0: scsi: Device offlined - not ready after error recovery

which is repetitively redundant.  This patch changes that message to:

scsi 6:0:6:0: Device offlined - not ready after error recovery

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] sg: use idr to replace static arrays
James Bottomley [Sun, 5 Aug 2007 18:36:11 +0000 (13:36 -0500)] 
[SCSI] sg: use idr to replace static arrays

sg uses a scheme to reallocate a single contiguous array of all its
pointers for lookup and management.  This didn't matter too much when sg
could only attach 256 nodes, but now the maximum has been bumped up to
32k we're starting to push the limits of the maximum allocatable
contiguous memory.  The solution to this is to eliminate the static
array and do everything via idr, which this patch does.

Acked-by: Douglas Gilbert <dougg@torque.net>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] osst: Use mutex instead of semaphore
Matthias Kaehlcke [Fri, 10 Aug 2007 21:50:44 +0000 (14:50 -0700)] 
[SCSI] osst: Use mutex instead of semaphore

The OnStream SCSI Tape driver uses a semaphore as mutex.  Use the mutex API
instead of the (binary) semaphore.

Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Reviewed-by: Satyam Sharma <satyam@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Willem Riede <wrlk@riede.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] arcmsr: irq handler fixes, cleanups, micro-opts
Jeff Garzik [Fri, 27 Jul 2007 17:01:15 +0000 (13:01 -0400)] 
[SCSI] arcmsr: irq handler fixes, cleanups, micro-opts

* Remove IRQF_DISABLED, it is clearly wrong for this driver.

* Remove wasteful spin_lock_irqsave() in interrupt handler.
  The lighter-weight spin_lock() is all that's needed.

* Annotate with FIXME where arcmsr_interrupt() is called
  without any spinlock being acquired.

* Eliminate pointless cast from void pointer in arcmsr_do_interrupt()

[jejb: conflict resolution]

Signed-off-by: Jeff Garzik <jeff@garzik.org>
Acked-by: Nick Cheng <nick.cheng@areca.com.tw>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] arcmsr: Fix hardware wait loops
Jeff Garzik [Fri, 27 Jul 2007 17:00:48 +0000 (13:00 -0400)] 
[SCSI] arcmsr: Fix hardware wait loops

Remove _interruptible, since receiving a signal while waiting on a
hardware condition will simply cause the driver to busy-wait.

Using msleep_interruptible() is rarely the right thing to do, when
waiting on a hardware condition to change.

Also, replace msleep with ssleep while doing this, where appropriate.

[jejb: fix up merge conflict]

Signed-off-by: Jeff Garzik <jeff@garzik.org>
Acked-by: Nick Cheng <nick.cheng@areca.com.tw>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] qla2xxx: Update version number to 8.02.00-k4.
Andrew Vasquez [Thu, 20 Sep 2007 21:07:50 +0000 (14:07 -0700)] 
[SCSI] qla2xxx: Update version number to 8.02.00-k4.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] qla2xxx: Limit iIDMA speed adjustments.
Andrew Vasquez [Thu, 20 Sep 2007 21:07:34 +0000 (14:07 -0700)] 
[SCSI] qla2xxx: Limit iIDMA speed adjustments.

Do not adjust the iIDMA speed on ports which have a faster
link-speed than the HBA itself.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] qla2xxx: Rework MSI-X handlers.
Andrew Vasquez [Thu, 20 Sep 2007 21:07:49 +0000 (14:07 -0700)] 
[SCSI] qla2xxx: Rework MSI-X handlers.

Since MSI-X vectors do not require a clearing "handshake" from
the system perspective, and the registered handler will not be
called more than once for one occurrence of receipt of a vector,
there is no requirement to flush the risc register write clearing
the interrupt condition in the risc. Also, since the msi-x
registered handlers are optimised for a particular vector, it is
preferable to handle the one vector received per invocation of
the handler.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] qla2xxx: Clear options-flags while staging firmware-execution.
Andrew Vasquez [Thu, 20 Sep 2007 21:07:48 +0000 (14:07 -0700)] 
[SCSI] qla2xxx: Clear options-flags while staging firmware-execution.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] qla2xxx: Sparse cleanups in qla_mid.c
Andrew Vasquez [Thu, 20 Sep 2007 21:07:47 +0000 (14:07 -0700)] 
[SCSI] qla2xxx: Sparse cleanups in qla_mid.c

Make several needlessly global functions static:
- qla2x00_mark_vp_devices_dead()
- qla24xx_configure_vp()

Remove unused function qla24xx_modify_vport().

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] qla2xxx: Cleanup several 'sparse' warnings.
Andrew Vasquez [Thu, 20 Sep 2007 21:07:46 +0000 (14:07 -0700)] 
[SCSI] qla2xxx: Cleanup several 'sparse' warnings.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] qla2xxx: Use shost_priv().
Andrew Vasquez [Thu, 20 Sep 2007 21:07:45 +0000 (14:07 -0700)] 
[SCSI] qla2xxx: Use shost_priv().

Drop usage of legacy to_qla_host() macro.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] qla2xxx: Remove unused member (list) from srb_t structure.
Andrew Vasquez [Thu, 20 Sep 2007 21:07:44 +0000 (14:07 -0700)] 
[SCSI] qla2xxx: Remove unused member (list) from srb_t structure.

This change reduces by as much as 16% the memory footprint for
each allocated sbr_t structure requested from the mempool.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] qla2xxx: Retrieve max-NPIV support capabilities from FW.
Seokmann Ju [Thu, 20 Sep 2007 21:07:43 +0000 (14:07 -0700)] 
[SCSI] qla2xxx: Retrieve max-NPIV support capabilities from FW.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] qla2xxx: Use the correct pointer-address during NVRAM writes.
Andrew Vasquez [Thu, 20 Sep 2007 21:07:42 +0000 (14:07 -0700)] 
[SCSI] qla2xxx: Use the correct pointer-address during NVRAM writes.

Original code, incorrectly passed the address-of a pointer rather
than the pointer value itself.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] qla2xxx: Set correct attribute count during FDMI RPA.
Andrew Vasquez [Thu, 20 Sep 2007 21:07:41 +0000 (14:07 -0700)] 
[SCSI] qla2xxx: Set correct attribute count during FDMI RPA.

Also remove legacy '/proc' name during OS_DEVICE_NAME
registration.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] qla2xxx: Correct infinite-login-retry issue.
Ravi Anand [Thu, 20 Sep 2007 21:07:40 +0000 (14:07 -0700)] 
[SCSI] qla2xxx: Correct infinite-login-retry issue.

Where the DPC logic would get jammed into continuously
reloging-into a port.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] qla2xxx: Query additional RISC registers during ISP25XX firmware dump.
Andrew Vasquez [Thu, 20 Sep 2007 21:07:39 +0000 (14:07 -0700)] 
[SCSI] qla2xxx: Query additional RISC registers during ISP25XX firmware dump.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] qla2xxx: Correct staging of RISC while attempting to pause.
Andrew Vasquez [Thu, 20 Sep 2007 21:07:38 +0000 (14:07 -0700)] 
[SCSI] qla2xxx: Correct staging of RISC while attempting to pause.

There's no need to reset the RISC prior to pausing.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] qla2xxx: Query additional RISC information during a pause.
Andrew Vasquez [Thu, 20 Sep 2007 21:07:37 +0000 (14:07 -0700)] 
[SCSI] qla2xxx: Query additional RISC information during a pause.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] qla2xxx: Add PCI error recovery support.
Seokmann Ju [Thu, 20 Sep 2007 21:07:36 +0000 (14:07 -0700)] 
[SCSI] qla2xxx: Add PCI error recovery support.

Additional cleanups and
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] qla2xxx: Allow region-based flash-part accesses.
Joe Carnuccio [Thu, 20 Sep 2007 21:07:35 +0000 (14:07 -0700)] 
[SCSI] qla2xxx: Allow region-based flash-part accesses.

Additional cleanups and
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] qla2xxx: Add flash burst-read/write support.
Andrew Vasquez [Thu, 20 Sep 2007 21:07:33 +0000 (14:07 -0700)] 
[SCSI] qla2xxx: Add flash burst-read/write support.

Newer ISPs support a mechanism to read and write flash-memory via
the firmware LOAD/DUMP memory mailbox command routines.  When
supported, utilizing these mechanisms significantly reduces
overall access times.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] qla2xxx: Collapse and simplify ISP2XXX firmware dump routines.
Andrew Vasquez [Thu, 26 Jul 2007 18:41:13 +0000 (11:41 -0700)] 
[SCSI] qla2xxx: Collapse and simplify ISP2XXX firmware dump routines.

Add IO-base-window accessor functions.  Merge duplicate
RISC-pause and soft-reset code segments.  Drop 'eye-watering'
__iomem casting.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] move ULD attachment into the prep function
James Bottomley [Sat, 4 Aug 2007 15:06:25 +0000 (10:06 -0500)] 
[SCSI] move ULD attachment into the prep function

One of the intents of the block prep function was to allow ULDs to use
it for preprocessing.  The original SCSI model was to have a single prep
function and add a pointer indirect filter to build the necessary
commands.  This patch reverses that, does away with the init_command
field of the scsi_driver structure and makes ULDs attach directly to the
prep function instead.  The value is really that it allows us to begin
to separate the ULDs from the SCSI mid layer (as long as they don't use
any core functions---which is hard at the moment---a ULD doesn't even
need SCSI to bind).

Acked-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] Fix ibmvscsi client for multiplatform iSeries+pSeries kernel
David Woodhouse [Fri, 21 Sep 2007 22:29:36 +0000 (08:29 +1000)] 
[SCSI] Fix ibmvscsi client for multiplatform iSeries+pSeries kernel

If you build a multiplatform kernel for iSeries and pSeries, with
ibmvscsic support, the resulting client doesn't work on iSeries.

This fixes that, using the appropriate low-level operations
for the machine detected at runtime.

[jejb: fixed up rejections around the srp transport patch]

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Acked by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] dtc: Fix typo
Alan Cox [Thu, 20 Sep 2007 14:12:11 +0000 (15:12 +0100)] 
[SCSI] dtc: Fix typo

(and pointed out by several people)

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] eata_pio: Clean up proc handling, bracketing and use cpu_relax()
Alan Cox [Thu, 20 Sep 2007 14:15:27 +0000 (15:15 +0100)] 
[SCSI] eata_pio: Clean up proc handling, bracketing and use cpu_relax()

So its ancient, its crap, but it kept showing up in my scans for stuff
that wanted fixing...

- Redo the proc code to be far cleaner
- Clean various return (0) type constructs
- Use cpu_relax()

The various waits ought to time out but thats another issue and probably
not worth solving.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] MAINTAINERS: mark ide-scsi as Orphan
Bartlomiej Zolnierkiewicz [Wed, 19 Sep 2007 20:08:56 +0000 (22:08 +0200)] 
[SCSI] MAINTAINERS: mark ide-scsi as Orphan

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] Fix signness of parameters in scsi module
Masatake YAMATO [Wed, 19 Sep 2007 13:59:16 +0000 (22:59 +0900)] 
[SCSI] Fix signness of parameters in scsi module

In scsi module I've found some inconsistency between variable type
used in module_param_named and type passed to module_param_named as an
argument. Especially the inconsistency of `max_scsi_luns' parameter is
a bit serious because the description text says "last scsi LUN (should
be between 1 and 2^32-1)".

Signed-off-by: Masatake YAMATO <jet@gyve.org>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] ide-scsi.: convert to data accessors and !use_sg cleanup
Boaz Harrosh [Tue, 18 Sep 2007 10:27:43 +0000 (12:27 +0200)] 
[SCSI] ide-scsi.: convert to data accessors and !use_sg cleanup

 - Convert ide-scsi to the new data accessors and cleanup
   the !use_sg code paths.

  In old code the driver was trying to translate narrow commands,
  if received, to wide commands. This code  path still assumed
  scsi_cmnd->request_buffer is a linear char pointer.
  This means that this driver was broken since 2.6.17.

  As suggested by Christoph Hellwig I set
  use_10_for_rw = 1; and use_10_for_ms = 1;
  for this device and completely killed the translation.

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] stale residual returned on write following BUSY retry
Michael Reed [Mon, 17 Sep 2007 22:11:39 +0000 (15:11 -0700)] 
[SCSI] stale residual returned on write following BUSY retry

A BUSY status returned on a write request results in a stale residual
being returned when the write ultimately successfully completes.

This can be reproduced as follows:

1) issue immediate mode rewind to scsi tape drive
2) issue write request

The tape drive returns busy.  The low level driver detects underrun and
sets the residual into the scsi command.  The low level driver responds
with (DID_OK << 16) | scsi_status.  scsi_status is 8, hence
status_byte(result) == 4, i.e., BUSY.

scsi_softirq_done() calls scsi_decide_disposition() which returns
ADD_TO_MLQUEUE.  scsi_softirq_done() then calls scsi_queue_insert()
which, on the way to resubmitting the request to the driver, calls
scsi_init_cmd_errh().

The attached patch modifies scsi_init_cmd_errh() to clear the resid
field.  This prevents a "stale" residual from being returned when the
scsi command finally completes without a BUSY status.

Signed-off-by: Michael Reed <mdr@sgi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] MAINTAINERS : mpt fusion mailing list change
Eric Moore [Sat, 15 Sep 2007 01:08:08 +0000 (19:08 -0600)] 
[SCSI] MAINTAINERS : mpt fusion mailing list change

Mailing list changed. The former list at mpt_linux_developer@lsi.com is no
longer in service. Please use the new email provided listed in this patch.

Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] mpt fusion: bump version to 3.04.06
Eric Moore [Sat, 15 Sep 2007 00:52:28 +0000 (18:52 -0600)] 
[SCSI] mpt fusion: bump version to 3.04.06

bump version

Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] mpt fusion: Kconfig cleanup
Eric Moore [Sat, 15 Sep 2007 00:50:49 +0000 (18:50 -0600)] 
[SCSI] mpt fusion: Kconfig cleanup

Adding 949X, 949E, and 1078 to Kconfig.  Adding "depends on FUSION"
required in the FUSION_LOGGING section, and fixing a spelling error.

Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] mpt fusion: removing Dell copyright
Eric Moore [Sat, 15 Sep 2007 00:49:53 +0000 (18:49 -0600)] 
[SCSI] mpt fusion: removing Dell copyright

Some other vender has concerns over this copyright, and Dell has
approved removing it.

Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] mpt fusion: removing references to hd->ioc
Eric Moore [Sat, 15 Sep 2007 00:49:03 +0000 (18:49 -0600)] 
[SCSI] mpt fusion: removing references to hd->ioc

Cleaning up code by accesing the ioc pointer directly instead of via hd->ioc.  In the future, most data members of struct MPT_SCSI_HOST will be either deleted or moved to struct MPT_ADAPTER.

Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] mpt fusion: rename vdev to vdevice
Eric Moore [Sat, 15 Sep 2007 00:48:19 +0000 (18:48 -0600)] 
[SCSI] mpt fusion: rename vdev to vdevice

common naming of vdevice through out driver

Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] mpt fusion: adding/removing white space
Eric Moore [Sat, 15 Sep 2007 00:47:40 +0000 (18:47 -0600)] 
[SCSI] mpt fusion: adding/removing white space

cleaning up some white space that was introduce in a recent "cb_idx int to u8" patch.

Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] mpt fusion: standardize printks and debug info
Eric Moore [Sat, 15 Sep 2007 00:46:51 +0000 (18:46 -0600)] 
[SCSI] mpt fusion: standardize printks and debug info

Standardize all prints using common MYIOC_s_XXX_FMT macro defined in mptbase.h. Currently the driver uses several different methods to display info, where in some cases the "controller name" generating the printk is not provided.

Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] arcmsr: fix compile problems
James Bottomley [Sat, 15 Sep 2007 16:41:53 +0000 (11:41 -0500)] 
[SCSI] arcmsr: fix compile problems

  CC [M]  drivers/scsi/arcmsr/arcmsr_hba.o
drivers/scsi/arcmsr/arcmsr_attr.c:186: warning: initialization from
incompatible pointer type
drivers/scsi/arcmsr/arcmsr_attr.c:196: warning: initialization from
incompatible pointer type
drivers/scsi/arcmsr/arcmsr_attr.c:206: warning: initialization from
incompatible pointer type
drivers/scsi/arcmsr/arcmsr_hba.c: In function 'arcmsr_alloc_ccb_pool':
drivers/scsi/arcmsr/arcmsr_hba.c:329: warning: assignment from
incompatible pointer type
drivers/scsi/arcmsr/arcmsr_hba.c: At top level:
drivers/scsi/arcmsr/arcmsr_hba.c:101: warning:
'arcmsr_pci_error_detected' declared 'static' but never defined
drivers/scsi/arcmsr/arcmsr_hba.c:102: warning: 'arcmsr_pci_slot_reset'
declared 'static' but never defined

The majority being incorrect casting or the fact that binary attributes
now take an additional argument.

Cc: Nick Cheng <nick.cheng@areca.com.tw>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] arcmsr: 1.20.00.15: add SATA RAID plus other fixes
Nick Cheng [Thu, 13 Sep 2007 09:26:40 +0000 (17:26 +0800)] 
[SCSI] arcmsr: 1.20.00.15: add SATA RAID plus other fixes

Description:
** support ARC1200/1201/1202 SATA RAID adapter, which is named
ACB_ADAPTER_TYPE_B
** modify the arcmsr_pci_slot_reset function
** modify the arcmsr_pci_ers_disconnect_forepart function
** modify the arcmsr_pci_ers_need_reset_forepart function 

Signed-off-by: Nick Cheng <nick.cheng@areca.com.tw>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] switch sdev sysfs attributes to default attributes
Kay Sievers [Tue, 11 Sep 2007 15:00:14 +0000 (17:00 +0200)] 
[SCSI] switch sdev sysfs attributes to default attributes

This removes the unused sysfs attribute overwriting logic for most of
the attributes, and plugs them into the driver core default attribute
creation.

Without this patch, at the time of the events for the SCSI LUN's, there
will be no sysfs files, because their creation is delayed until the sd
driver has spun up the disks, which might take several seconds. It is the
last WAIT_FOR_SYSFS rule in the default udev setup which can be removed
with this change.

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Use DRV_NAME
Matthew Wilcox [Sun, 9 Sep 2007 14:56:40 +0000 (08:56 -0600)] 
[SCSI] advansys: Use DRV_NAME

Follow the example of some other drivers by defining DRV_NAME to be
"advansys".  Prevents spelling mistakes.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Comment/indentation/macro cleanup
Matthew Wilcox [Sun, 9 Sep 2007 14:56:39 +0000 (08:56 -0600)] 
[SCSI] advansys: Comment/indentation/macro cleanup

 - Delete comments relating to the previous structure of the driver.
   I have no intention of honouring them ;-)
 - Reformat comments > 80 columns
 - Remove now-obsolete comments from advansys_interrupt
 - Change adv_get_sglist() from do {} while (1) to for (;;)
 - Return void from AscInitQLinkVar()
 - Take out a level of indentation in adv_get_sglist()
 - Reduce indentation level of AscAsyncFix()
 - Remove unused macros
 - Refactor AscSendScsiQueue slightly

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Remove some custom wrappers
Matthew Wilcox [Sun, 9 Sep 2007 14:56:38 +0000 (08:56 -0600)] 
[SCSI] advansys: Remove some custom wrappers

 - Replace ASC_ASSERT() with BUG_ON().
   In a few places, get rid of the assertion altogether -- the ensuing
   crash will tell us all we need to know.  Use BUG() where it fits better
   than BUG_ON().  Also fix a fencepost error in advansys_proc_info().
 - Replace DvcSleepMilliSecond with mdelay.
   Despite its name using 'sleep', the implementation was a delay.
   I've marked some places with XXX where we should probably be using
   msleep instead.  They need to be audited to be sure we can sleep in
   that context.
 - Replace DvcDelayMicroSecond with udelay.
 - Replace DvcDelayNanoSecond with udelay too.
   All callers were multiples of 1000.
 - Remove DvcEnterCritical and DvcLeaveCritical.
   These functions are no-ops, and as the comments said, the spinlock
   protects the critical sections.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Remove a check for an impossible condition
Matthew Wilcox [Sun, 9 Sep 2007 14:56:37 +0000 (08:56 -0600)] 
[SCSI] advansys: Remove a check for an impossible condition

AscExeScsiQueue() has one caller, and it passes the address of a
variable; this cannot ever be NULL.  This is the only place that ever
sets ASCQ_ERR_SCSIQ_NULL_PTR, so delete that error code too, as well as
several other unused ASCQ_ERR codes.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Support 16-byte commands properly
Matthew Wilcox [Sun, 9 Sep 2007 14:56:36 +0000 (08:56 -0600)] 
[SCSI] advansys: Support 16-byte commands properly

The SCSI midlayer won't send commands greater than ->max_cmd_len.
So the checks on length in asc_build_req and adv_build_req are obsolete
and can be deleted, but also we have to set the max_cmd_len in
advansys_board_found().  Also move the length definitions together, and
write a helpful comment.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Enable interrupts earlier in queuecommand
Matthew Wilcox [Sun, 9 Sep 2007 14:56:35 +0000 (08:56 -0600)] 
[SCSI] advansys: Enable interrupts earlier in queuecommand

Move as much as possible outside the critical section in queuecommand, eg:
 - Set the scsi_done field before acquiring the lock
 - Call asc_scsi_done after dropping the lock

Also remove a comment suggesting we should enable interrupts (now we do)
and do some minor reformatting for readability.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Remove `active' queue and all remaining internal queueing code
Matthew Wilcox [Sun, 9 Sep 2007 14:56:34 +0000 (08:56 -0600)] 
[SCSI] advansys: Remove `active' queue and all remaining internal queueing code

The `active' list was used in the reset handler -- but the midlayer
guarantees that list is empty by the time the reset handler is invoked.
It was also checked in the interrupt routines to be sure that this command
belonged to this board, but we don't need to check that either.  We can
then delete the asc_prt_target_stats() function as it will never print
anything, along with asc_enqueue(), asc_dequeue_list(), asc_rmqueue(),
asc_scsi_done_list(), struct asc_queue, ASC_QUEUE_EMPTY, ASC_TID_ALL,
ASC_FRONT, ASC_BACK, and all the REQ* macros.  Also remove this item from
the todo list.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Remove `done' queue
Matthew Wilcox [Sun, 9 Sep 2007 14:56:33 +0000 (08:56 -0600)] 
[SCSI] advansys: Remove `done' queue

 - Move the guts of asc_scsi_done_list() into a new function, asc_scsi_done.
 - Call asc_scsi_done() in asc_isr_callback() and adv_isr_callback().  The
   comment was wrong; scsi_done cannot enable interrupts.
 - All other places which queued an scp on the done list are error paths
   for queuecommand, and so we can just call asc_scsi_done() in queuecommand
   if we receive an error.
 - We no longer need to keep a list of done requests in advansys_interrupt

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Remove a check for an impossible condition
Matthew Wilcox [Sun, 9 Sep 2007 14:56:32 +0000 (08:56 -0600)] 
[SCSI] advansys: Remove a check for an impossible condition

The midlayer guarantees it won't call ->queuecommand for a host which
is handling a reset condition.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Remove `waiting' queue
Matthew Wilcox [Sun, 9 Sep 2007 14:56:31 +0000 (08:56 -0600)] 
[SCSI] advansys: Remove `waiting' queue

If the adapter is busy, return the request to the midlayer rather than
queueing it in the driver.  asc_execute_queue() and asc_dequeue() become
unused, and we don't need to print out stats on the waiting queue any more.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Shrink advansys_board_found a little more
Matthew Wilcox [Sun, 9 Sep 2007 14:56:30 +0000 (08:56 -0600)] 
[SCSI] advansys: Shrink advansys_board_found a little more

Move the error reporting into AscInitGetConfig, AdvInitGetConfig and
AscInitSetConfig.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Reformat microcode
Matthew Wilcox [Sun, 9 Sep 2007 14:56:29 +0000 (08:56 -0600)] 
[SCSI] advansys: Reformat microcode

It's just data, so format it to something that looks more visually
appealing (and saves some lines)

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Create AdvLoadMicrocode
Matthew Wilcox [Sun, 9 Sep 2007 14:56:28 +0000 (08:56 -0600)] 
[SCSI] advansys: Create AdvLoadMicrocode

Split AdvLoadMicrocode out of AdvInitAsc3550Driver, AdvInitAsc38C0800Driver
and AdvInitAsc38C1600Driver.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Create AdvBuildCarrierFreelist
Matthew Wilcox [Sun, 9 Sep 2007 14:56:27 +0000 (08:56 -0600)] 
[SCSI] advansys: Create AdvBuildCarrierFreelist

Split AdvBuildCarrierFreelist out of AdvInitAsc3550Driver,
AdvInitAsc38C0800Driver and AdvInitAsc38C1600Driver.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] advansys: Fix VLB driver name
Matthew Wilcox [Sun, 9 Sep 2007 14:56:26 +0000 (08:56 -0600)] 
[SCSI] advansys: Fix VLB driver name

You can't have two drivers for the same bus type with the same name.
Since ISA and VLB are both isa_drivers, rename the VLB one to advansys_vlb.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] zfcp: whitespace cleanup
Swen Schillig [Fri, 7 Sep 2007 07:15:31 +0000 (09:15 +0200)] 
[SCSI] zfcp: whitespace cleanup

Cleanup the whitepace from the entire zfcp driver to prevent
to have those changes in future feature or function patches.

Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] mpt fusion: remove redundant memset
Mariusz Kozlowski [Fri, 10 Aug 2007 21:50:53 +0000 (14:50 -0700)] 
[SCSI] mpt fusion: remove redundant memset

alloc_fcdev() calls alloc_netdev() which uses kzalloc to alloc all the
memory together with dev->priv region hence no zeroing of structs inside
struct mpt_lan_priv needed.

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Acked-by: "Moore, Eric Dean" <Eric.Moore@lsil.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] mpt fusion: fix two potential mem leaks
Jesper Juhl [Fri, 10 Aug 2007 21:50:51 +0000 (14:50 -0700)] 
[SCSI] mpt fusion: fix two potential mem leaks

The Coverity checker spotted two potential memory leaks in
drivers/message/fusion/mptbase.c::mpt_attach().

There are two returns that may leak the storage allocated for 'ioc'
(sizeof(MPT_ADAPTER) bytes).

A simple fix would be to simply add two kfree() calls before the return
statements, but a better fix (that this patch implements) is to reorder the
code so that if we hit the first return condition we don't have to do the
allocation at all and then just add a kfree() call for the second case.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Acked-by: "Moore, Eric Dean" <Eric.Moore@lsil.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] mpt fusion: mostly kmalloc + memset conversion to kzalloc
Mariusz Kozlowski [Fri, 10 Aug 2007 21:50:50 +0000 (14:50 -0700)] 
[SCSI] mpt fusion: mostly kmalloc + memset conversion to kzalloc

This patch does kmalloc + memset conversion to kzalloc anSigned-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
d simplifies mptctl_probe().

 drivers/message/fusion/mptctl.c | 82092 -> 81884 (-208 bytes)
 drivers/message/fusion/mptctl.o | 201784 -> 200648 (-1136 bytes)

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Acked-by: "Moore, Eric Dean" <Eric.Moore@lsil.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] mpt fusion: Use menuconfig objects
Jan Engelhardt [Fri, 10 Aug 2007 21:50:37 +0000 (14:50 -0700)] 
[SCSI] mpt fusion: Use menuconfig objects

Change Kconfig objects from "menu, config" into "menuconfig" so
that the user can disable the whole feature without having to
enter the menu first.

Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Acked-by: "Moore, Eric Dean" <Eric.Moore@lsil.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
17 years ago[SCSI] srp_transport: convert to use supported_mode attribute
FUJITA Tomonori [Fri, 31 Aug 2007 17:03:39 +0000 (02:03 +0900)] 
[SCSI] srp_transport: convert to use supported_mode attribute

srp transport works for target drivers without supported_mode
attribute but it would be better to use it explicitly.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>