Commit Graph

99 Commits

Author SHA1 Message Date
Mark Haverkamp
902762831c [SCSI] aacraid: Driver version update
Received from Mark Salyzyn:

Version patch, update to reflect a rough estimate of the Adaptec build
(2423) that coincides with the sources on kernel.org.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-11-22 12:29:53 -06:00
Mark Haverkamp
d18b448fc2 [SCSI] aacraid: Abort management FIBs
Received from Mark Salyzyn:

Add code to abort outstanding management ioctl fibs when the blinkLED recovery
is performed. This code is 'clunky' and does not have any real feedback in that
the reset could progress before the user application has gotten it's
notification of command completion. We put a schedule() call to delay just the
right amount for most cases, because we tried a spin and still managed to find
cases where we would spin forever waiting for the management application to
acknowledge the impending doom surrounding the cause of the BlinkLED. Will
cause an oops in the context of the management application if we proceed too
quickly. I view this as the lesser of many evils since currently if there are
outstanding management ioctls during a need to reset/recover the adapter, the
management application just locks up and waits forever. The best practices fix
for this problem not going to be simple or easy (at least the fixes I imagine
today); and we found a balance between the needs of the driver to proceed, and
the applications that locked or confused that would hold back the driver. I
just do not like the idea of a kernel oops in an application to deal with low
priority, sluggish or misbehaving applications.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-11-22 12:29:17 -06:00
Mark Haverkamp
33524b70e8 [SCSI] aacraid: Detect Blinkled at startup
Received from Mark Salyzyn:

Blinkled at startup is useful for catching Adapters in a lot of pain, in a
BlinkLED assert, quickly; rather than waiting several minutes for commands to
timeout.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-11-22 12:28:22 -06:00
David Howells
7d12e780e0 IRQ: Maintain regs pointer globally rather than passing to IRQ handlers
Maintain a per-CPU global "struct pt_regs *" variable which can be used instead
of passing regs around manually through all ~1800 interrupt handlers in the
Linux kernel.

The regs pointer is used in few places, but it potentially costs both stack
space and code to pass it around.  On the FRV arch, removing the regs parameter
from all the genirq function results in a 20% speed up of the IRQ exit path
(ie: from leaving timer_interrupt() to leaving do_IRQ()).

Where appropriate, an arch may override the generic storage facility and do
something different with the variable.  On FRV, for instance, the address is
maintained in GR28 at all times inside the kernel as part of general exception
handling.

Having looked over the code, it appears that the parameter may be handed down
through up to twenty or so layers of functions.  Consider a USB character
device attached to a USB hub, attached to a USB controller that posts its
interrupts through a cascaded auxiliary interrupt controller.  A character
device driver may want to pass regs to the sysrq handler through the input
layer which adds another few layers of parameter passing.

I've build this code with allyesconfig for x86_64 and i386.  I've runtested the
main part of the code on FRV and i386, though I can't test most of the drivers.
I've also done partial conversion for powerpc and MIPS - these at least compile
with minimal configurations.

This will affect all archs.  Mostly the changes should be relatively easy.
Take do_IRQ(), store the regs pointer at the beginning, saving the old one:

	struct pt_regs *old_regs = set_irq_regs(regs);

And put the old one back at the end:

	set_irq_regs(old_regs);

Don't pass regs through to generic_handle_irq() or __do_IRQ().

In timer_interrupt(), this sort of change will be necessary:

	-	update_process_times(user_mode(regs));
	-	profile_tick(CPU_PROFILING, regs);
	+	update_process_times(user_mode(get_irq_regs()));
	+	profile_tick(CPU_PROFILING);

I'd like to move update_process_times()'s use of get_irq_regs() into itself,
except that i386, alone of the archs, uses something other than user_mode().

Some notes on the interrupt handling in the drivers:

 (*) input_dev() is now gone entirely.  The regs pointer is no longer stored in
     the input_dev struct.

 (*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking.  It does
     something different depending on whether it's been supplied with a regs
     pointer or not.

 (*) Various IRQ handler function pointers have been moved to type
     irq_handler_t.

Signed-Off-By: David Howells <dhowells@redhat.com>
(cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
2006-10-05 15:10:12 +01:00
Al Viro
6a3670c4f1 [PATCH] missing include (free_irq() use)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-24 15:55:03 -07:00
Mark Haverkamp
ac5826ca91 [SCSI] aacraid: remove scsi_remove_device
Received from Mark Salyzyn:

Until the system is stabilized, I am suggesting the enclosed
modification to prevent the driver from tickling the panic. Once sysfs
and friends are stabilized, the patch may be backed out. We have yet to
evaluate if we really want to relinquish existing Scsi Devices in any
case, holding on to them as configuration of arrays comes and goes makes
some sense as well. As a result, we have opted to pull the lines rather
than comment them in legacy.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-09-23 20:10:10 -05:00
Mark Haverkamp
76a7f8fdc0 [SCSI] aacraid: merge rx and rkt code
Received from Mark Salyzyn:

The only real difference between the rkt and rx platform modules is the
offset of the message registers. This patch recognizes this similarity
and simplifies the driver to reduce it's code footprint and to improve
maintainability by reducing the code duplication.

Visibly, the 'rkt.c' portion of this patch looks more complicated than
it really is. View it as retaining the rkt-only specifics of the
interface.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-09-23 20:09:42 -05:00
Mark Haverkamp
653ba58d55 [SCSI] aacraid: expose physical devices
Received from Mark Salyzyn:

I am placing this functionality into an insmod parameter. Normally the physical
components are exported to sg, and are blocked from showing up in sd.

Note that the pass-through I/O path via the driver through the Firmware to the
physical disks is not an optimized path, the card is designed for Hardware
RAID, elevator sorting and caching. This should not be used as a means for
utilizing the aacraid based controllers as a generic scsi/SATA/SAS controller,
performance should suck by a few percentage points, any RAID meta-data on the
drives will confuse the controller about who owns the drives and there is a
high risk of destroying content in both directions. Unreliable and for
experimentation or strange controlled circumstances only.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-09-23 20:09:03 -05:00
Mark Haverkamp
6510135545 [SCSI] aacraid: misc cleanup
Received from Mark Salyzyn:

Basically cleanup, nothing here will have an affect. Adjusting some
error codes, removing superfluous definitions and code fragments.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-09-23 20:08:26 -05:00
Mark Haverkamp
8c867b257d [SCSI] aacraid: Reset adapter in recovery timeout
Received from Mark Salyzyn

If the adapter is in blinkled (Firmware Assert) when error recovery
timeout actions have been triggered, perform an adapter warm reset and
restart the initialization.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-08-19 13:35:11 -07:00
Mark Haverkamp
90ee346651 [SCSI] aacraid: Check for unlikely errors
Received from Mark Salyzyn

The enclosed patch cleans up some code fragments, adds some paranoia
(unproven causes of potential driver failures).

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-08-19 13:33:45 -07:00
Mark Haverkamp
8c23cd7457 [SCSI] aacraid: Restart adapter on firmware assert (Update 2)
Received from Mark Salyzyn

If the adapter should be in a blinkled (Firmware Assert) state when the
driver loads, we will perform a warm restart of the Adapter Firmware to
see if we can rescue the adapter. Possible causes of a blinkled can
occur on some early release motherboard BIOSes, transitory PCI bus
problems on embedded systems or non-x86 based architectures, transitory
startup failures of early release drives or transitory hardware
failures; some of which can bite the adapter later at runtime. Future
enhancements will include recovery during runtime.

Fixed extra whitespace space issue.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-08-19 13:33:13 -07:00
Mark Haverkamp
c8f7b073e0 [SCSI] aacraid: interruptible ioctl
Received from Mark Salyzyn

This patch allows the FSACTL_SEND_LARGE_FIB, FSACTL_SENDFIB and
FSACTL_SEND_RAW_SRB ioctl calls into the aacraid driver to be
interruptible. Only necessary if the adapter and/or the management
software has gone into some sort of misbehavior and the system is being
rebooted, thus permitting the user management software applications to
be killed relatively cleanly. The FIB queue resource is held out of the
free queue until the adapter finally, if ever, completes the command.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-08-19 13:32:57 -07:00
James Bottomley
c4e00fac42 Merge ../scsi-misc-2.6
Conflicts:

	drivers/scsi/nsp32.c
	drivers/scsi/pcmcia/nsp_cs.c

Removal of randomness flag conflicts with SA_ -> IRQF_ global
replacement.

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-07-03 09:41:12 -05:00
Thomas Gleixner
1d6f359a2e [PATCH] irq-flags: scsi: Use the new IRQF_ constants
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-07-02 13:58:53 -07:00
Salyzyn, Mark
12e9b5fb96 [SCSI] aacraid: remove x86_64 IOMMU dependent code
This may seem like a DILLIGAF, but after chatting with the F/W folks,
there is no harm in dropping the page calculation as denoted in the
enclosed patch for these older adapters in this new age of 4GB+ memory
sticks. Any resource optimization within the old-old-old adapters for
systems with less than 4G of memory is of little consequence. The
existing AAC_QUIRK_31BIT flag in linit.c should look after the rest of
the legacy hardware DMA limitations.

Signed-off-by: Mark Salyzyn <aacraid@adaptec.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-06-26 16:47:46 -05:00
Andi Kleen
a813ce432f [PATCH] x86_64: Rename IOMMU option, fix help and mark option embedded.
- Rename the GART_IOMMU option to IOMMU to make clear it's not
   just for AMD
 - Rewrite the help text to better emphatise this fact
 - Make it an embedded option because too many people get it wrong.

To my astonishment I discovered the aacraid driver tests this
symbol directly. This looks quite broken to me - it's an internal
implementation detail of the PCI DMA API. Can the maintainer
please clarify what this test was intended to do?

Cc: linux-scsi@vger.kernel.org
Cc: alan@redhat.com
Cc: markh@osdl.org
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-26 10:48:17 -07:00
Eric Sesterhenn
125e18745f [PATCH] More BUG_ON conversion
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Acked-by: "Salyzyn, Mark" <mark_salyzyn@adaptec.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-23 07:43:08 -07:00
Mark Haverkamp
a623e14daf [SCSI] aacraid: small misc. cleanups
Received from Mark Salyzyn

Spelling correction, orphaned comment removal & update branch name.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-06-19 19:23:54 -05:00
Mark Haverkamp
75c3628db7 [SCSI] aacraid: Update supported product information
Received From Mark Salyzyn

Some of the cards product names changed.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-06-19 19:23:07 -05:00
Mark Haverkamp
821499a824 [SCSI] aacraid: Fix return code interpretation
Received from Mark Salyzyn

clear_user return is 0 for success, the code fragment is written to
assume that it is the count of the number of bytes zero'd.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-06-12 14:47:55 -05:00
Tobias Klauser
6391a11375 [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>
2006-06-10 10:45:30 -05:00
Christoph Hellwig
5d5ff44fe6 [SCSI] fix up request buffer reference in various scsi drivers
Various scsi drivers use scsi_cmnd.buffer and scsi_cmnd.bufflen in their
queuecommand functions.  Those fields are internal storage for the
midlayer only and are used to restore the original payload after
request_buffer and request_bufflen have been overwritten for EH.  Using
the buffer and bufflen fields means they do very broken things in error
handling.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-06-06 11:07:25 -04:00
Mark Haverkamp
5b9851b551 [SCSI] aacraid: remove unneeded list
Received From Mark Salyzyn

The queue tracking is just not being used, not even for debugging. Information
about outstanding commands can be acquired from the scsi structures.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-05-20 09:23:02 -05:00
Mark Haverkamp
df3b766871 [SCSI] aacraid: sa race condition fix
Received From Mark Salyzyn

A race condition existed that could result in a lost completion of a
command to the ppc based cards.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-05-20 09:22:44 -05:00
Mark Haverkamp
404d9a900b [SCSI] aacraid: adjustable timeouts
Received From Mark Salyzyn

Add the ability to adjust for unusual corner case failures. Both of
these additional module parameters deal with embedded, non-intel or
complicated system scenarios.

Aif_timeout can be increased past the default 2 minute timeout to drop
application registrations when a system has an unusually high event load
resulting from continuing management requests, or simultaneous builds,
or sluggish user space as a result of system load.

Startup_timeout can be increased past the default 3 minute timeout to
drop an adapter initialization for systems that have a very large number
of targets, or slow to spin-up targets, or a complicated set of array
configurations that extend the time for the firmware to declare that it
is operational. This timeout would only have an affect on non-intel
based systems, as the (more patient) BIOS would generally be where the
startup delay would be dealt with.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-05-20 09:22:25 -05:00
Mark Haverkamp
3c1e0cca94 [SCSI] aacraid: optimize sg alloc
Received From Mark Salyzyn

Slight space and speed efficiency improvement.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-05-20 09:21:57 -05:00
Mark Haverkamp
edb527ce35 [SCSI] aacraid: remove unneeded locking
Received From Mark Salyzyn

Since new commands to the card are quiesced, respect the changes in
the SCSI error path which dropped locking around the hba reset handler
and similarly drop the lock requirement in the driver's path.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-05-20 09:21:36 -05:00
Mark Haverkamp
9a72f976d2 [SCSI] aacraid: Driver version update
Received from Mark Salyzyn

Fix module param
Update driver version.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-04-13 10:13:21 -05:00
Mark Haverkamp
3d2f98a665 [SCSI] aacraid: Fix parenthesis placement error
Received from Mark Salyzyn

On 64 bit machines, when a 32 bit application tries to acquire the AIF,
they will always get and EFAULT error response from the driver.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-04-13 10:13:21 -05:00
Mark Haverkamp
d1ad94ad77 [SCSI] aacraid: Show max channel and max id is sysfs
Received from Mark Salyzyn

Add max_channel and max_id sysfs parameters.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-04-13 10:13:21 -05:00
Mark Haverkamp
dc4adbf413 [SCSI] aacraid: Re-start helper thread if it dies
Received from Mark Salyzyn

Since the helper thread for the driver can be killed unceremoniously by
an application, we detect the loss of the helper and restart it.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-04-13 10:13:20 -05:00
Mark Haverkamp
1241f3593a [SCSI] aacraid: General driver cleanup
Received from Mark Salyzyn

Remove superfluous code, optimize code, harden code, cast code, correct
some text, use msleep instead of schedule_timeout_interruptible. No
bugs.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-04-13 10:13:19 -05:00
Mark Haverkamp
53926274f2 [SCSI] aacraid: Fix extra unregister_chrdev
Received from Mark Salyzyn

If there are no aacraid controllers, we do not create the raid
controller chrdev, thus when the driver is unloaded it performs a
superfluous deregistration.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-04-13 10:13:19 -05:00
Mark Haverkamp
95433badf0 [SCSI] aacraid: Fix error in max_channel field
Received from Mark Salyzyn

The max_channel field is set one too large.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-04-13 10:13:19 -05:00
Mark Haverkamp
e61b17fd3a [SCSI] aacraid: Error path cleanup
Received from Mark Salyzyn

Some of the error return paths during initialization resulted in a zero
report to caller

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-04-13 10:13:18 -05:00
Mark Haverkamp
31876f328f [SCSI] aacraid: Add timeout for events
Received from Mark Salyzyn

Plug and play actions resulting from event sequences shall time out if
they take longer than 30 seconds to complete.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-04-13 10:13:18 -05:00
Mark Haverkamp
77d644d4d7 [SCSI] aacraid: Track command ownership in driver
Received from Mark Salyzyn

The loss of the ownership flags, despite their flaws, in the scsi
command were sorely missed and are reinstated more accurately in the
aacraid driver to track commands and permit us to properly handle error
recovery actions.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-04-13 10:13:17 -05:00
Mark Haverkamp
e5718774f1 [SCSI] aacraid: Use scmd_ functions
Received from Mark Salyzyn

Clean up the remaining scsi id access methods, drop ID_LUN_TO_CONTAINER
macro.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-04-13 10:13:17 -05:00
Matthias Gehre
910638ae7e [PATCH] Replace 0xff.. with correct DMA_xBIT_MASK
Replace all occurences of 0xff..  in calls to function pci_set_dma_mask()
and pci_set_consistant_dma_mask() with the corresponding DMA_xBIT_MASK from
linux/dma-mapping.h.

Signed-off-by: Matthias Gehre <M.Gehre@gmx.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-28 09:16:07 -08:00
Christoph Hellwig
fe27381d16 [SCSI] aacraid: use kthread_ API
Use the kthread_ API instead of opencoding lots of hairy code for kernel
thread creation and teardown.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Salyzyn, Mark <mark_salyzyn@adaptec.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-27 22:55:14 -06:00
Linus Torvalds
26d451b603 Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6 2006-02-16 12:47:44 -08:00
Al Viro
164006da31 [PATCH] bogus asm/delay.h includes
asm/delay.h is non-portable; linux/delay.h should be used in generic code.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2006-02-07 20:56:41 -05:00
Mark Haverkamp
bb08f92ebd [SCSI] aacraid: use no_uld_attach flag
Received From Mark Salyzyn.

In order to support user tools accessing the array components (SMART,
Mode Page information, Cache page adjustments, WWN determination,
Firmware updates etc), we take advantage of the no_uld_attach flag and
deprecate the code that filters Inquiries to block the requests to array
components. The quirk prevents the sd layer from attaching to the
components.

We also took the opportunity to balance the queue depths based on the
total adapter queue depth to the array devices to reduce the chances of
starvation.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-04 16:16:14 -06:00
Mark Haverkamp
bfb35aa850 [SCSI] aacraid: Update global function names
Received from Mark Salyzyn,

Reduce the possibility of namespace collision.  Prefix with aac_.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-04 16:16:07 -06:00
Mark Haverkamp
d8a571135a [SCSI] aacraid: reduce device probe warnings
Received from Mark Salyzyn.

This patch sets up some device quirks surrounding arrays to inform the
scsi layer that various mode pages are not supported. This reduces the
severity of the complaints that show up in the logs as the array devices
are enumerated.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-04 16:15:56 -06:00
Mark Haverkamp
6171b5eff2 [SCSI] aacraid: README update
Received From Mark Salyzyn.

Move the README from the driver directory to the Documentation directory.
Updated the documentation, added descriptions for cards that
were missing.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-01-12 11:55:16 -06:00
Mark Haverkamp
db39363c02 [SCSI] aacraid: 17 element sg performance update
Received From Mark Salyzyn.

The Jaguar and Corsair class of adapters (2410, 2810, 2610, 21610, CERC)
perform better (about 10% better read performance, write performance
neutral) with current Firmware if the OS limits the number of scatter
gather elements to 17 per request.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-01-12 11:55:01 -06:00
Mark Haverkamp
7686f13265 [SCSI] aacraid: better sysfs adapter information
Received from Mark Salyzyn.

Provide more accurate adapter information.

Allows the Adapter Firmware to override the Adapter product
information.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-01-12 11:54:45 -06:00
Mark Haverkamp
6e289a9023 [SCSI] aacraid: Fix default FIB size
Received from Mark Salyzyn.

If the adapter has not instructed us otherwise that it can handle a
'large' FIB, then it can handle at most a 2KB FIB.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-01-12 11:54:29 -06:00