Commit Graph

282 Commits

Author SHA1 Message Date
Krishna Gudipati 1a4d8e1bd8 [SCSI] bfa: Enable ASIC block configuration and query.
- Added ASIC block configuration APIs:
	- to create/delete/update the physical functions
	- to do adapter/port mode configuration
	- to query the current ASIC block configuration.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-06-29 16:56:05 -05:00
Krishna Gudipati 7bb66fc06e [SCSI] bfa: Update the driver version to 3.0.2.0
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-06-29 16:04:05 -05:00
Krishna Gudipati b85daafe46 [SCSI] bfa: Add BSG interface to support ELS, CT and vendor commands.
- Added BSG interface support to BFA driver
- Adds support to send ELS/CT FC passthru commands and
  few vendor specific BSG requests.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-06-29 15:59:53 -05:00
Krishna Gudipati 75332a70a8 [SCSI] bfa: Driver initialization and model description fix
- Moved FCS initialization, which internally does the im_port creation
  as well as the scsi_host creation before bfa_init.

Once the bfa_init is complete & successful:
- Reset the FCS base port cfg params such as pwwn/nwwn and setup fc host
  params - based on the values learned during the ioc getattr request.
- Change needed to support BSG commands even on bfa init failure.
- Model description fixes for Brocade adapters.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-06-29 15:56:05 -05:00
Krishna Gudipati e2187d7f38 [SCSI] bfa: Enhancement for fcpim and IO tag handling.
- Enhancements to FCPIM module.
- Introduced IO tag management to allocate/release IOs to FCPIM module
  from a free IOtag pool.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-06-29 15:54:23 -05:00
Krishna Gudipati be540a991e [SCSI] bfa: FC credit recovery and misc bug fixes.
- Introduce FC credit recovery.
- Added module parameter to enable/disable credit recovery.

Bug Fixes:
- Removed check for ignoring plogi from initiator in switched fabric mode.
- The ABTS for PLOGI is going out few millisecs earlier due to FW
  timer calibration (around 300 miilisecs earlier). So there is a
  window if an accept comes during this time HBA would have initiated
  an ABORT.
- Added 1 to FC_ELS_TOV for compensating for FW timer.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-06-29 15:52:21 -05:00
Krishna Gudipati 8b070b4a02 [SCSI] bfa: Brocade-1860 Fabric Adapter 16Gbs support and flash controller fixes.
- Added support for 16Gbps.
- Added logic to flush pending mailbox command queue when IOC is disabled.
- Fix to Halt the flash controller during fw initialization - since
  when asic blck is programmed flash controller's continuous access
  blocks f/w access to flash.
- Added new asic based card types and modified IOC get card model routine.
- Added PLL init fix to do LPU reset every time we do a memory
  initialization, since not doing so will cause LPU to be
  uninitialized during driver load.
- Added fix to Halt flash controller before PLL initialization.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-06-29 15:50:50 -05:00
Krishna Gudipati 775c7742ad [SCSI] bfa: IOC and PLL init changes for Brocade-1860 Fabric Adapter.
- Introduced IOC poll mechanism which replaces current interrupt
  based FW READY method.
- The timer based poll routine in IOC will query the ioc_fwstate
  register to see if there is a state change in FW, and sends the READY event.
- Bug fixes in the new asic PLL initialization.
- Added logic to handle CPE/RME queue interrupts before iocfc config done.
  1. Use the queue_process flag to see if iocfc configuration is done
     in INTX mode.
  2. Split the MSIX handler installation in two - one for IOC intr
     handler and the other for cpe/rme queue handler - and delay
     assigning queue handlers until iocfc config is done in MSIX mode.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-06-29 15:46:19 -05:00
Krishna Gudipati dd5aaf4536 [SCSI] bfa: Changes to support vport disable and enable operations.
Made changes to FCS lport, vport state machines to support vport
enable / disable operations.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-06-29 15:37:48 -05:00
Krishna Gudipati 111892082e [SCSI] bfa: Brocade-1860 Fabric Adapter Hardware Enablement
- Added support for Brocade-1860 Fabric Adapter.
- Made changes to support single firmware image per asic type.
- Combined bfi_cbreg.h and bfi_ctreg.h defines into bfi_reg.h with
  only minimal defines used by host.
- Added changes to setup CPE/RME Queue register offsets based on
  firmware response.
- Removed queue register offset initializations and added register offsets
  to BFI config response message.
- Added Brocade-1860 asic specific interrupt status definitions and
  mailbox interfaces.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-06-29 15:31:31 -05:00
Krishna Gudipati 43ffdf4dfb [SCSI] bfa: Add pbc port disable check and fix LPS message name
- Add PBC port Disabled condition check.
- Rename incorrectly named LPS I2H messages.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-06-29 15:27:46 -05:00
Krishna Gudipati d37779f8d9 [SCSI] bfa: Introduce IOC event notification mechanism.
Introduced a generic event notification callback function that
receives IOC_ENABLED, IOC_DISABLED, IOC_FAILED events and notifies the
modules registered for these events.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-06-29 15:25:57 -05:00
Krishna Gudipati 85ce928dbb [SCSI] bfa: Introduced generic address len pair to represent DMA memory chunk.
- Avoid the use of hardware defined structure bfi_sge_s for DMA
  requests in host.

- Defined a generic address len pair to represent a DMA memory chunk
  (bfi_alen_s).

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-06-29 15:24:46 -05:00
Jing Huang 45d7f0cc58 [SCSI] bfa: kdump fix
Root cause: When kernel crashes, bfa IOC state machine and FW doesn't get
a notification and hence are not cleanly shutdown. So registers holding
driver/IOC state information are not reset back to valid disabled/parking
values. This causes subsequent driver initialization to hang during kdump
kernel boot.

Fix description: during the initialization of first PCI function, reset
corresponding register when unclean shutown is detect by reading chip
registers. This will make sure that ioc/fw gets clean re-initialization.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
2011-05-24 12:38:02 -04:00
Krishna Gudipati 7c38c05b3e [SCSI] bfa: Move debugfs initialization before bfa init.
Move the initialization of debugfs before bfa init, to enable us to
collect driver/firmware traces if init fails.  Also add a printk to
display message on bfa_init failure.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2011-05-01 10:55:56 -05:00
Jing Huang 61338a0b34 [SCSI] bfa: firmware download fix
This patch includes fixes for two issues releated to firmware download
implementation: 1) Merged memory leak fix provided by Jesper Juhl
<jj@chaosbits.net>. Basically we need to call release_firmware() after
request_firmware(). 2) fixed issues with the firmware download interface
as pointed out by Rolf Eike Beer <eike@sf-mail.de> in linux-scsi. Rearranged
the code and fixed related function protypes.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2011-05-01 10:53:49 -05:00
Lucas De Marchi 25985edced Fix common misspellings
Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
2011-03-31 11:26:23 -03:00
Linus Torvalds 008d23e485 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (43 commits)
  Documentation/trace/events.txt: Remove obsolete sched_signal_send.
  writeback: fix global_dirty_limits comment runtime -> real-time
  ppc: fix comment typo singal -> signal
  drivers: fix comment typo diable -> disable.
  m68k: fix comment typo diable -> disable.
  wireless: comment typo fix diable -> disable.
  media: comment typo fix diable -> disable.
  remove doc for obsolete dynamic-printk kernel-parameter
  remove extraneous 'is' from Documentation/iostats.txt
  Fix spelling milisec -> ms in snd_ps3 module parameter description
  Fix spelling mistakes in comments
  Revert conflicting V4L changes
  i7core_edac: fix typos in comments
  mm/rmap.c: fix comment
  sound, ca0106: Fix assignment to 'channel'.
  hrtimer: fix a typo in comment
  init/Kconfig: fix typo
  anon_inodes: fix wrong function name in comment
  fix comment typos concerning "consistent"
  poll: fix a typo in comment
  ...

Fix up trivial conflicts in:
 - drivers/net/wireless/iwlwifi/iwl-core.c (moved to iwl-legacy.c)
 - fs/ext4/ext4.h

Also fix missed 'diabled' typo in drivers/net/bnx2x/bnx2x.h while at it.
2011-01-13 10:05:56 -08:00
Jing Huang 8f4bfadd20 [SCSI] bfa: remove unused defintions and misc cleanups
This patch removes unused functions, data strucutres, and definitions.  It
also includes misc comment and formatting cleanups.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-31 09:43:31 -06:00
Jing Huang 2f2f40a458 [SCSI] bfa: remove inactive functions
This patch removes some inactive functions and macros.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-31 09:38:53 -06:00
Jing Huang d4b671c58e [SCSI] bfa: replace bfa_assert with WARN_ON
Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-31 09:36:53 -06:00
Jiri Kosina 4b7bd36470 Merge branch 'master' into for-next
Conflicts:
	MAINTAINERS
	arch/arm/mach-omap2/pm24xx.c
	drivers/scsi/bfa/bfa_fcpim.c

Needed to update to apply fixes for which the old branch was too
outdated.
2010-12-22 18:57:02 +01:00
Krishna Gudipati 395eb20238 [SCSI] bfa: Update the driver version to 2.3.2.3
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-21 12:37:18 -06:00
Krishna Gudipati 15821f05b7 [SCSI] bfa: io tag handling and minor bug fix.
Fix iotag handling:

1) Update and check io tag for retry case.
2) Clearing upper 3 bits in io tag when an IO completes.
   The 3 upper bits in io tags are used for counting FCP exchange retry.
   Un-cleared bits will cause firmware to access invalid memory when the
   same io tag is used for an IO to a target that doesn't support FCP
   exchange retry.
3) Only check the effective bits when validating an iotag.

Other minor fixes:

1) Added trace to get FC header type with assert of unhandled packet received.
   Ignore the type FC_TYPE_FC_FSS (FC_XS).
2) Fixed the adapter info display check - to check for fcmode flag even.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-21 12:37:17 -06:00
Krishna Gudipati b704495c67 [SCSI] bfa: direct attach mode fix.
- Direct attach is not working due to the check of PID in fcxp_send request.
- Added logic to set the lps->lp_pid with the PID assigned for n2n mode.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-21 12:37:16 -06:00
Krishna Gudipati f1d584d70f [SCSI] bfa: IOC auto recovery fix.
- Made IOC auto_recovery synchronized and not timer based.
- Only one PCI function will attempt to recover and reinitialize
  the ASIC on a failure, after all the active PCI fns
  acknowledge the IOC failure.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-21 12:37:15 -06:00
Krishna Gudipati f3a060ca57 [SCSI] bfa: Store port configuration in flash for persistency.
When the bfa driver is loaded a flogi is sent without the knowledge of
trunking configuration. This normal flogi causes the switch ports
which had trunking enabled to go to persistent offline.  Solution is
to store the port configuration (which has trunking info) in the flash
for persistency. The firmware will read this configuration when the
very first fcport enable is received.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-21 12:37:12 -06:00
Krishna Gudipati 4e78efefa3 [SCSI] bfa: IOC fwtrace save logic & state machine fixes.
- Move fw trace save logic to bfa_ioc_sm_fail_entry(),
  so that fw trace is saved irrespective of the cause of the failure.
- Make bfa_ioc_sm_fail() a failure parking state.
- Rename bfa_ioc_sm_initfail() to a more appropriate bfa_ioc_sm_fail_retry()
  as it is no longer a parking state.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-21 12:37:11 -06:00
Maggie Zhang da99dcc98d [SCSI] bfa: remove unused functions and misc cleanups
Remove unused functions and fix checkpatch errors. Misc cleanups in
comment and formatting.

Signed-off-by: Maggie Zhang <xmzhang@brocade.com>
Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-21 12:32:58 -06:00
Maggie Zhang f16a17507b [SCSI] bfa: remove all OS wrappers
Remove OS wrapper functions/macros, and as a result remove bfa_os_inc.h.

Signed-off-by: Maggie Zhang <xmzhang@brocade.com>
Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-21 12:32:56 -06:00
Maggie Zhang f314878ab9 [SCSI] bfa: remove all SCSI IO callbacks
Remove SCSI IO callbacks, and as a result remove bfa_cb_ioim.h.

Signed-off-by: Maggie Zhang <xmzhang@brocade.com>
Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-21 12:32:47 -06:00
Maggie Zhang e3e7d3eebb [SCSI] bfa: scatter gather processing change
Modified scatter gather processing to use the kernel provided
scsi_for_each_sg() macro.

1) Instead of allocating and setting up sgpg in bfa_ioim_sge_setup(),
   we only do allocation.  As a result, we remove
   bfa_ioim_sgpg_setup() and rename bfa_ioim_sge_setup() to
   bfa_ioim_sgpg_alloc().

2) bfa_ioim_send_ioreq() call scsi_for_each_sg() to handle both inline
   and sgpg setup.

Signed-off-by: Maggie Zhang <xmzhang@brocade.com>
Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-21 12:32:45 -06:00
Maggie Zhang b77ee1fb10 [SCSI] bfa: remove a file with small size
Removed bfa_drv.c, merged it to bfa_core.c and modified Makefile.

Signed-off-by: Maggie Zhang <xmzhang@brocade.com>
Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-21 12:32:44 -06:00
Maggie Zhang f7f73812e9 [SCSI] bfa: clean up one line functions
Cleaned up one line functions.

Signed-off-by: Maggie Zhang <xmzhang@brocade.com>
Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-21 12:32:43 -06:00
Maggie Zhang df0f1933eb [SCSI] bfa: remove unused and empty functions
Removed unused and empty functions.

Signed-off-by: Maggie Zhang <xmzhang@brocade.com>
Signed-off-by: Jing Huang <xmzhang@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-21 12:24:50 -06:00
Maggie 50444a3400 [SCSI] bfa: fix endianess sparse check warnings
First round of fix for the endianess check warnings from make C=2 CF="-D__CHECK_ENDIAN__".

Signed-off-by: Maggie <xmzhang@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-21 12:24:17 -06:00
Maggie 52f94b6fd0 [SCSI] bfa: fix regular sparse check warnings.
Fix all sparse check warnings from make C=2.

Signed-off-by: Maggie <xmzhang@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-21 12:24:16 -06:00
Jing Huang 8816624222 [SCSI] bfa: rename log_level to bfa_log_level
Rename log_level to bfa_log_level to make the global variable more bfa
specific and avoid clashes with other drivers which was causing a
build failure.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-20 12:28:34 -06:00
Jeff Garzik f281233d3e 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 13:33:23 -08:00
Uwe Kleine-König b595076a18 tree-wide: fix comment/printk typos
"gadget", "through", "command", "maintain", "maintain", "controller", "address",
"between", "initiali[zs]e", "instead", "function", "select", "already",
"equal", "access", "management", "hierarchy", "registration", "interest",
"relative", "memory", "offset", "already",

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-11-01 15:38:34 -04:00
Jing Huang 5fbe25c7a6 [SCSI] bfa: fix comments for c files
This patch addresses the comments from Randy Dunlap (Randy.Dunlap@oracle.com)
regarding comment blocks that begining with "/**". bfa driver comments
currently do not follow kernel-doc convention, we hence replace all
/** with /* and **/ with */.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-25 16:28:09 -05:00
Jing Huang acdc79a60c [SCSI] bfa: fix comments for header files
This patch addresses the comments from Randy Dunlap (Randy.Dunlap@oracle.com)
regarding comment blocks that begining with "/**". bfa driver comments
currently do not follow kernel-doc convention, we hence replace all
/** with /* and **/ with */.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-25 16:26:57 -05:00
Jing Huang e0a08a30c9 [SCSI] bfa: fix frame size over 1024 compile warning
Fix compile warning for frame size over 1024 in gcc 4.4.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-25 16:25:35 -05:00
Jing Huang 5344026065 [SCSI] bfa: remove os wrapper functions and macros
This patch replaces register access functions and macros with the the ones
provided by linux.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-25 16:18:20 -05:00
Jing Huang ba816ea8e2 [SCSI] bfa: replace endian swap macros with the ones provided by linux
Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-25 16:17:14 -05:00
Jing Huang 6a18b1675f [SCSI] bfa: remove os wrapper and unused functions
This patch removes os wrapper and unused functions.
bfa_os_assign(), bfa_os_memset(), bfa_os_memcpy(), bfa_os_udelay()
bfa_os_vsprintf(), bfa_os_snprintf(), and bfa_os_get_clock() are replaced with
direct assignment or native linux functions. Some unused functions related to VF
(Vitual fabric) are also removed.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-25 16:15:58 -05:00
Krishna Gudipati a36c61f902 [SCSI] bfa: cleanup driver
We have flattened the BFA hierarchy and also reduced the number of
source and header files we used to have earlier.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-09-16 22:54:24 -04:00
Linus Torvalds 26df0766a7 Merge branch 'params' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus
* 'params' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: (22 commits)
  param: don't deref arg in __same_type() checks
  param: update drivers/acpi/debug.c to new scheme
  param: use module_param in drivers/message/fusion/mptbase.c
  ide: use module_param_named rather than module_param_call
  param: update drivers/char/ipmi/ipmi_watchdog.c to new scheme
  param: lock if_sdio's lbs_helper_name and lbs_fw_name against sysfs changes.
  param: lock myri10ge_fw_name against sysfs changes.
  param: simple locking for sysfs-writable charp parameters
  param: remove unnecessary writable charp
  param: add kerneldoc to moduleparam.h
  param: locking for kernel parameters
  param: make param sections const.
  param: use free hook for charp (fix leak of charp parameters)
  param: add a free hook to kernel_param_ops.
  param: silence .init.text references from param ops
  Add param ops struct for hvc_iucv driver.
  nfs: update for module_param_named API change
  AppArmor: update for module_param_named API change
  param: use ops in struct kernel_param, rather than get and set fns directly
  param: move the EXPORT_SYMBOL to after the definitions.
  ...
2010-08-12 10:01:59 -07:00
Andrew Morton a737b88df8 scsi: remove private BIT macros
A couple of scsi drivers define a BIT() macro, duplicating the one in
bitops.h.

Cc: Jing Huang <huangj@brocade.com>
Cc: Robert Love <robert.w.love@intel.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:01 -07:00
Roel Kluin 6de61f9d24 bfa: wrong fcport H2I message tested in bfa_fcport_isr()
It appears that the wrong fcport H2I message was tested

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Jing Huang <huangj@Brocade.COM>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:01 -07:00
Yong Zhang 6d154db6b3 scsi: bfa: correct onstack wait_queue_head declaration
Use DECLARE_WAIT_QUEUE_HEAD_ONSTACK to make lockdep happy

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Cc: Jing Huang <huangj@brocade.com>
Cc: James E.J. Bottomley <James.Bottomley@suse.de>
Cc: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-11 08:59:01 -07:00
Rusty Russell d6d1b650ae param: simple locking for sysfs-writable charp parameters
Since the writing to sysfs can free the old one, we need to block that
when we access the charp variables.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Tested-by: Phil Carmody <ext-phil.2.carmody@nokia.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Dan Williams <dcbw@redhat.com>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: Jing Huang <huangj@brocade.com>
Cc: James E.J. Bottomley <James.Bottomley@suse.de>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: David S. Miller <davem@davemloft.net>
Cc: user-mode-linux-devel@lists.sourceforge.net
Cc: libertas-dev@lists.infradead.org
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: linux-scsi@vger.kernel.org
Cc: linux-usb@vger.kernel.org
2010-08-11 23:04:31 +09:30
Linus Torvalds 3cfc2c42c1 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (48 commits)
  Documentation: update broken web addresses.
  fix comment typo "choosed" -> "chosen"
  hostap:hostap_hw.c Fix typo in comment
  Fix spelling contorller -> controller in comments
  Kconfig.debug: FAIL_IO_TIMEOUT: typo Faul -> Fault
  fs/Kconfig: Fix typo Userpace -> Userspace
  Removing dead MACH_U300_BS26
  drivers/infiniband: Remove unnecessary casts of private_data
  fs/ocfs2: Remove unnecessary casts of private_data
  libfc: use ARRAY_SIZE
  scsi: bfa: use ARRAY_SIZE
  drm: i915: use ARRAY_SIZE
  drm: drm_edid: use ARRAY_SIZE
  synclink: use ARRAY_SIZE
  block: cciss: use ARRAY_SIZE
  comment typo fixes: charater => character
  fix comment typos concerning "challenge"
  arm: plat-spear: fix typo in kerneldoc
  reiserfs: typo comment fix
  update email address
  ...
2010-08-04 15:31:02 -07:00
Jing Huang ab2a9ba189 [SCSI] bfa: add debugfs support
- Add debugfs support to obtain firmware trace, driver trace
  and read/write to registers.

- debugfs hierarchy:
  /sys/kernel/debug/bfa/host#
   where the host number corresponds to the one under /sys/class/scsi_host/host#

- Following are the new debugfs entries added:
  drvtrc: collect current driver trace
  fwtrc: collect current firmware trace.
  fwsave: collect last saved fw trace as a result of firmware crash.
  regwr: write one word to chip register
  regrd: read one or more words from chip register.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:32 -05:00
Jing Huang 08a17ced7a [SCSI] bfa: update driver version string
Update driver version to 2.2.2.1

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:29 -05:00
Jing Huang c54d557c3f [SCSI] bfa: vport fixes
This patch fixes 3 bugs in vport create/delete.
1) Replace scsi_add_host() with scsi_add_host_with_dma()
2) Fix rmmod hang when there are vports configured. This is due to a race
condition between the workqueue destroy in pci remove context and the vport
delete works being handled. The fix is to use a counter to track the
vport delete work, so that workqueue destroy will not be called until all
configured vports are deleted from workqueue.
3) Fix rmmmod crash when there are PBC vport configured. PBC is not allowed
to be deleted dynamically. However, if someone try to delete it, it leaves the
vport is wrong state. The fix is to restore the vport back to original state
when the attempt to delete pbc vport delete is failed.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:28 -05:00
Jing Huang 8a4adf1c90 [SCSI] bfa: fix wrong arg to callback
This patch fixes the issue of passing wrong argument to callback function.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:26 -05:00
Jing Huang ba8345821a [SCSI] bfa: add ioc state checking
This patch adds ioc state checking while enabling a port.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:23 -05:00
Jing Huang 604158ade0 [SCSI] bfa: add description for module parameters
Add description for bfa driver module parameters.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:22 -05:00
Jing Huang 07b2838669 [SCSI] bfa: update to support BOFM
Update bfa driver API and data structure to support BOFM (IBM BladeCenter
Open Fabric Manager).

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:21 -05:00
Jing Huang 56d218fc93 [SCSI] bfa: fix possible IO double completion
While processing the ioim in callback functions, the ioim is still in io_q.
During this time, if the itnim goes offline, the ioim is requeued from
itnim->io_q into itnim->delay_comp_q although the request is already completed.
This results in requeing the ioim into the callback queue if the ioim is not
freed by the time the ioim is requeued. This results in double completion of
the ioim. To fix this, whenever a response is received from firmware for an
ioim, deque it from io_q and enque to fcpim->comp_q. This will eliminate any
possibility of itnim picking any ioim for which the response is already
received.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:20 -05:00
Jing Huang db954c04cb [SCSI] bfa: fix link state structure
When the FCoE Linkup event is sent to the host, the link_state
(struct bfa_pport_link_s) structure is copied to the RME buf to be sent to
the host. But the size of this structure(164 bytes) is larger than the
reserved RME buffer size(128 byes). The following changes reduce the size
of the structure to be less than RME buffer size(128 bytes):
- Remove the trunk and loop info from link_state structure, because both trunk
  and loop are not supported.
- Combine qos_vc_attr and fcf into an union.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:18 -05:00
Jing Huang 36d345a703 [SCSI] bfa: add dynamic queue selection
Add new bfa functionality to support dynamic queue selection (IO redirection).
IO redirection can only be enabled when QoS is disabled.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:17 -05:00
Jing Huang 4b5e759dca [SCSI] bfa: fix uf post and rport fcpim state machine
BFA UF module did not hold lock when seding uf post buffer message to firmware
causing CPE-Q corruption. Fix is to check present of FCS and if FCS present
hold lock while posting UF buffers.

Handle PRLO with sending acc to it and relogin with rport. Discard fcxp
before any state change.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:16 -05:00
Jing Huang df2a52a6c8 [SCSI] bfa: fix chip and memory initialization
Clear PSS memory reset that is set as part of power-on-reset (pci reset).
Complete PMM memory reset before BISTR start. Clear EDRAM BISTR start bit
after fixed delay. BISTR DONE bit status is not getting set. Use a fixed
1ms delay for BISTR now. Expose PMM IT memory definitions to host.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:15 -05:00
Jing Huang 9aeb6802dd [SCSI] bfa: update to support firmware configuation
Update related data structures to support firmeare configuration.
Add AEN events related to firmware configuation.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:14 -05:00
Jing Huang 3e98cc013f [SCSI] bfa: add PBC port disable handling
Add PBC port disable handling in BFA and return the appropriate status from
BFA APIs. In bfa_fcs_lport.c, handle OFFLINE event to avoid BFA_ASSERT.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:13 -05:00
Jing Huang 41188cf5a6 [SCSI] bfa: fix prli retry issues
Add a max retry limit for PRLI retries. Max retry limit (5) is same as used
in rport PLOGI. Once the retries are exhausted, invoke rport offline so that
existing logic of rport re-discovery can kick-in. Also fixed a bug in rport.c
where one less retry was happening.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:11 -05:00
Jing Huang c507341713 [SCSI] bfa: fix rport speed setting
When a rport goes offline, its speed setting was not reset. Subsequently, if
the rport was not deleted due to it coming back online within rport del
timeout, previously discovered speed would continue to show up. The fix is to
reset the speed when processing rport offline transition.

In rport attributes, rport's with unknown speed were indicated as TRL
enforced.  The right thing do to would be to use TRL default speed to
determine if TRL is enforced, when TRL is enabled.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:10 -05:00
Jing Huang 7c8146510c [SCSI] bfa: fix interrupt coalescing setting
Do not update the coalesce flag of the intr_attr struct in driver config area
on config response.  This is to prevent the coalesce flag being reported as on
after an ioc disable/enable even if it was set to off before disable.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:09 -05:00
Jing Huang 4f1806bc3c [SCSI] bfa: use standards defined timeout for ELS/CT
Use standards defined 2 * RA_TOV as a timeout for ELS Request retries.
And standards defined 3 * RA_TOV as a timeout for FC-CT Request retries.
Also, added a check to send RPSC2 to a Brocade Fabric only.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:08 -05:00
Jing Huang b85d045ee8 [SCSI] bfa: statistics and typo fix
- Added time stamp for fcport stats reset
- Added new fileds to the statistics data structures.
- Typo removal and minor cleanup.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:07 -05:00
Jing Huang 15b64a835d [SCSI] bfa: ioc attributes fix
This patch fixes the APIs to obtain ioc attributes
- fix API to obtain wwpn, wwnn, and mac.
- add API to get mfg wwpn, wwnn, and mac.
- fix API to obtain wwn of boot target.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:06 -05:00
Jing Huang 1769f990fc [SCSI] bfa: vport state machine fix
Vport state machine does not cleanup associated lport in some states: while
waiting for fdisc response or fdisc failure state. The fixe is to cleanup lport
on vport delete in all states.  In fdisc state, discard fdisc response and
delete lport and wait for lport deletecompletion. in error state, delete lport
and wait for delete completion.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:05 -05:00
Jing Huang d9883548a0 [SCSI] bfa: PBC vport create
This patch enables creating PBC vport.
During fcs init, fcs will read PBC vport using bfa iocfc API and invoke fcb
callback to add the pbc vport entries into a list. The pbc vport list will be
traversed in the subsequent pci probe process and vport will be created using
fc transport provided vport create function.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:04 -05:00
Jing Huang ed96932470 [SCSI] bfa: enable basic PBC support
The patch includes the driver side changes to enable basic PBC (PreBoot
Configuration) feature.
- Data structure changes and new definitions for PBC.
- APIs to access PBC info.
- Remove unused code.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:04 -05:00
Jing Huang 293f82d59e [SCSI] bfa: enable new hardware
This patch enables support of new mezzanine cards for HP and IBM blade server.

- Add new pciids for HP and IBM mezzanine card.
- Add a new firmware image for HP mezzanine card, which is running in
  FC only mode. Rename firmware image to reflect the difference. Change the
  firmware download code accordingly for the above changes.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:03 -05:00
Kulikov Vasiliy 501af8d110 scsi: bfa: use ARRAY_SIZE
Change sizeof(x) / sizeof(*x) to ARRAY_SIZE(x).

Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-07-20 17:14:35 +02:00
Uwe Kleine-König 698f93159a fix comment/printk typos concerning "already"
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-07-11 21:45:40 +02:00
Jiri Kosina f1bbbb6912 Merge branch 'master' into for-next 2010-06-16 18:08:13 +02:00
Uwe Kleine-König 421f91d21a fix typos concerning "initiali[zs]e"
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-06-16 18:05:05 +02:00
Krishna Gudipati 7873ca4e44 [SCSI] bfa: fix system crash when reading sysfs fc_host statistics
The port data structure related to fc_host statistics collection is
not initialized. This causes system crash when reading the fc_host
statistics. The fix is to initialize port structure during driver
attach.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-05-25 10:05:40 -05:00
Linus Torvalds 33cf23b0a5 Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (182 commits)
  [SCSI] aacraid: add an ifdef'd device delete case instead of taking the device offline
  [SCSI] aacraid: prohibit access to array container space
  [SCSI] aacraid: add support for handling ATA pass-through commands.
  [SCSI] aacraid: expose physical devices for models with newer firmware
  [SCSI] aacraid: respond automatically to volumes added by config tool
  [SCSI] fcoe: fix fcoe module ref counting
  [SCSI] libfcoe: FIP Keep-Alive messages for VPorts are sent with incorrect port_id and wwn
  [SCSI] libfcoe: Fix incorrect MAC address clearing
  [SCSI] fcoe: fix a circular locking issue with rtnl and sysfs mutex
  [SCSI] libfc: Move the port_id into lport
  [SCSI] fcoe: move link speed checking into its own routine
  [SCSI] libfc: Remove extra pointer check
  [SCSI] libfc: Remove unused fc_get_host_port_type
  [SCSI] fcoe: fixes wrong error exit in fcoe_create
  [SCSI] libfc: set seq_id for incoming sequence
  [SCSI] qla2xxx: Updates to ISP82xx support.
  [SCSI] qla2xxx: Optionally disable target reset.
  [SCSI] qla2xxx: ensure flash operation and host reset via sg_reset are mutually exclusive
  [SCSI] qla2xxx: Silence bogus warning by gcc for wrap and did.
  [SCSI] qla2xxx: T10 DIF support added.
  ...
2010-05-21 07:19:18 -07:00
Jing Huang 8637ac3340 [SCSI] bfa: fix compilation warning in powerpc
Fix the compilation warning in powerpc. The same change also fixes endian
issue we found in powerpc test. This patch has been tested in x86 and
powerpc platform. it is created using scsi-misc-2.6.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-05-01 14:12:11 -05:00
Jiri Kosina 6c9468e9eb Merge branch 'master' into for-next 2010-04-23 02:08:44 +02:00
Jing Huang 077424e2e2 [SCSI] bfa: sg addr big endian fix
sg address in IO request is not set up correctly for big endian platform.
add new macros to properly swap the address.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-04-11 09:24:23 -05:00
Jing Huang 42b426ecb4 [SCSI] bfa: protect idr using bfad_mutex
idr is a global resource, protect it with global bfad_mutex.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-04-11 09:24:20 -05:00
Jing Huang b3522f08ec [SCSI] bfa: use pci_iomap() and pci_iounmap()
Use pci_iomap() and pci_iounmap() to simplify the code. Remove uncessary #ifdef
check for ia64 (it was added as a workaound for some RHEL 5.x release which
doesn't export iounmap function)

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-04-11 09:24:19 -05:00
Jing Huang 2eba0d4c00 [SCSI] bfa: fix the issue of not handling scsi_cmnd sg chaining case
Currently the driver doesn't take into consideraion of possible sg chaining
when it walks through the sg list. This is fixed by using the sg_next()
which automatically handles the chaining case. Obosolete code is removed
as a result of this change.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-04-11 09:24:17 -05:00
Jing Huang b504293fe9 [SCSI] bfa: add fc transport class based vport create/delete
Use duplicate fc transport template for physical and vitual port. Add
vport create/delete/disalbe functions in the transport template of physical
port. Changes to make the vport create/delete function to work under this
framework.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-04-11 09:24:16 -05:00
Julia Lawall 4644efabde [SCSI] bfa: eliminate useless code
The variable bfa_itnim is initialized twice to the same (side effect-free)
expression.  Drop one initialization.

A simplified version of the semantic match that finds this problem is:
(http://coccinelle.lip6.fr/)

// <smpl>
@forall@
idexpression *x;
identifier f!=ERR_PTR;
@@

x = f(...)
... when != x
(
x = f(...,<+...x...+>,...)
|
* x = f(...)
)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Jing Huang <huangj@brocade.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-04-11 09:23:32 -05:00
Tejun Heo 5a0e3ad6af 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>
2010-03-30 22:02:32 +09:00
Thomas Weber 8839316121 Fix typos in comments
[Ss]ytem => [Ss]ystem
udpate => update
paramters => parameters
orginal => original

Signed-off-by: Thomas Weber <swirl@gmx.li>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-03-16 11:47:56 +01:00
Krishna Gudipati d55f88f027 [SCSI] bfa: Update the driver version to 2.1.2.1.
Upgrade the upstream driver from 2.0.0.0 to 2.1.2.1.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-07 13:28:38 +05:30
Krishna Gudipati d1c61f8ef5 [SCSI] bfa: Remove unused header files and did some cleanup.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-07 13:27:51 +05:30
Krishna Gudipati 95aa060dec [SCSI] bfa: Handle SCSI IO underrun case.
When IO is completed with underrun and with good SCSI status, check if
the transferred bytes against scsi_cmnd->underflow, which is set to
minimum number of bytes that must be transferred for this command, if
is less than required minimum, complete the IO with DID_ERROR.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-07 13:12:38 +05:30
Krishna Gudipati 25e2934c26 [SCSI] bfa: FCS and include file changes.
MS module did not invoke fdmi offline in all cases,
call fdmi offline when ms module receives a port offline,
so that fdmi offline is from one place in the ms module.

Make changes to handle 10G speed in the conversion routine.

Replaced the usage of bfa_adapter_attr_s struct with specific API's.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-07 13:12:04 +05:30
Krishna Gudipati ca8b4327e4 [SCSI] bfa: Modified the portstats get/clear logic
Modified the portstats get/clear logic for port physical/FCoE/QoS stats.
Added more stats to FC
Fixed some issues with FCoE stats collection.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-07 13:10:13 +05:30
Krishna Gudipati 0a4b1fc0b2 [SCSI] bfa: Replace bfa_get_attr() with specific APIs
bfa_ioc_attr_s is a big structure and some times could cause
stack overflow if defined locally, so add specific APIs that
are needed to replace the use of ioc_attr local var.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-07 13:07:00 +05:30
Krishna Gudipati f58e9ebbf7 [SCSI] bfa: New portlog entries for events (FIP/FLOGI/FDISC/LOGO).
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-07 13:06:36 +05:30
Krishna Gudipati 1c8a4c3749 [SCSI] bfa: Rename pport to fcport in BFA FCS.
Rename pport structures to fcport in BFA FCS, to resolve confusion
about the port structures in the firmware, and make sure the SG page
is setup correctly.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-07 13:05:10 +05:30
Krishna Gudipati 13cc20c5e7 [SCSI] bfa: IOC fixes, check for IOC down condition.
Currently BFA was not checking for IOC down condition when issuing
getstats/clearstats

Add check to see if IOC is operational, before issuing
getstats/clearstats.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-07 13:03:50 +05:30
Krishna Gudipati 78f915f7b0 [SCSI] bfa: In MSIX mode, ignore spurious RME interrupts when FCoE ports are in FW mismatch state.
Use dummy interrupt handlers till chip initialization is complete.
Install real interrupt handlers after chip initialization.

Also removed msix installation code in bfa_iocfc_init().

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-07 13:02:45 +05:30
Krishna Gudipati f5713c5dfb [SCSI] bfa: Fix Command Queue (CPE) full condition check and ack CPE interrupt.
Fixed the issue of not acknowledging the command queue
full-to-non-full interrupt.  Implemented separate acknowledging
functions for different ASIC and interrupt mode.

Fixed the case of missing CPE interrupt by always processing the
pending requests in the completion path.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-07 13:02:14 +05:30
Krishna Gudipati 816e49b8ed [SCSI] bfa: IOC recovery fix in fcmode.
ioc_recover failed to work in fcmode.

Fixed the code to initialize the ioc_regs.err_set during the
notify_hbfail.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-07 13:01:42 +05:30
Krishna Gudipati 2993cc71d1 [SCSI] bfa: AEN and byte alignment fixes.
Replace enum types with int and rearrange the fields to fix some
alignment issue.

Local var ioc_attr is causing the stack to overflow, so removed the
usage of the local ioc_attr var and now invoking an API to return the
ioc_type.

Fix some AEN issues.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-07 13:01:23 +05:30
Krishna Gudipati 9693e7dff5 [SCSI] bfa: Introduce a link notification state machine.
Introduce a link notification state machine to handle next incoming
link events while the current event is being delivered to the driver.

When the event has been processed by the driver, the link notification
state machine will queue the next event (if there is any) to the
driver.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-07 12:59:36 +05:30
Krishna Gudipati 738c9e66dc [SCSI] bfa: Added firmware save clear feature for BFA driver.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-07 12:58:59 +05:30
Krishna Gudipati f926a05f5c [SCSI] bfa: FCS authentication related changes.
Made FCS authentication related changes to state machines and header
files.

Made changes in FCS state machines to handle the case when secret
string is NULL.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-07 12:58:41 +05:30
Krishna Gudipati 7af074dc9d [SCSI] bfa: PCI VPD, FIP and include file changes.
Changed PCI VPD to incorporate specific OEM vendors.

Added FCoE specific interrupt latency and delay params.

Added some variables needed by FIP 2.0.

Added some new logging and tracing definitions.

Added reserved members to make the structures (IOC, IOCFC) 64bit aligned.

Changed the module identifiers, as some files were moved.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-07 12:57:35 +05:30
Krishna Gudipati 86e32dabba [SCSI] bfa: Fix to copy fpma MAC when requested by user space application.
Copy fpma MAC when requested by user space application.  Added FPMA
mac address to the lport attributes structure.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-07 12:57:05 +05:30
Krishna Gudipati 72041ed8fc [SCSI] bfa: RPORT state machine: direct attach mode fix.
Make sure that in direct attach mode, we do not query the name server
after a target is marked offline.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-07 12:54:38 +05:30
Krishna Gudipati e641de37e6 [SCSI] bfa: Replace bfa_assert() with bfa_sm_fault()
Replace bfa_assert() with bfa_sm_fault() to get unhandled events for
debugging.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-07 12:54:18 +05:30
Krishna Gudipati 8b651b4294 [SCSI] bfa: Clear LL_HALT and PSS_ERR bit when IOC crashes.
Clear LL_HALT and PSS_ERR bit in the interrupt status register on an IOC crash.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-07 12:53:53 +05:30
Krishna Gudipati 0a20de446c [SCSI] bfa: IOC changes: Support faster recovery and split bfa_ioc.c into ASIC specific code.
Add support for faster IOC recovery after failure.

Split bfa_ioc.c into three files:
  bfa_ioc.c:    Common code shared between crossbow and catapult ASIC's.

  bfa_ioc_cb.c: Code specific to the crossbow, reg mapping and
                interrupt related routines.

  bfa_ioc_ct.c: Code specific to the catapult, reg mapping and
                interrupt related routines.

Fix to make sure IOC reinitialize's properly on enable request -
update the ioc_fwstate reg with BFI_IOC_FAIL on ioc disable mbox cmd
timeout.

Makefile changes to support the 2 newly added files bfa_ioc_cb.c and
bfa_ioc_ct.c.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-07 12:49:48 +05:30
Krishna Gudipati e67143243a [SCSI] bfa: Resume BFA operations after firmware mismatch is resolved.
bfad.c & bfad_drv.h:
  * Created a kernel thread from pci_probe that does the bfad start
    operations after BFA init done on a firmware mismatch.
  * The kernel thread on a fw mismatch waits for an event from IOC
    call back and is woken up from bfa_cb_init() on BFA init success.
  * In normal cases of no firmware mismatch this thread is terminated
    in pci_probe.

bfa_fcs_lport.c, fabric.c, fcs_lport.h & vport.c:
  * Split the lport init to attach time and init time code, so that
    proper config attributes are set after firmware mismatch.

bfa_iocfc.c:
  * Handle an IOC timer issue, where the IOC timer would expire before
    the init completion and send Init fail event to the driver,
    however IOC init continues and completes successfully at the later
    stage. The bfa and driver were not handling this kind of deferred
    init completion.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-04 16:17:02 +05:30
Krishna Gudipati a046bf0559 [SCSI] bfa: Fix to allow creation of only 190 vports on CNA.
Brocade CNA currently supports only 190 vports (instead of 191),
since there are only 192 unicast cam entries reserved for FCoE.

Brocade CNA has a total of 256 unicast cam entries (192 FCoE + 64 LL)

192 cam entries = 1 burned in mac + 1 baseport FPMA mac + 190 vport
FPMA macs.

Made changes to the code to support only 190 vports.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-04 16:15:24 +05:30
Krishna Gudipati 82794a2e41 [SCSI] bfa: New interface to handle firmware upgrade scenario
Split bfa_fcs_init() into bfa_fcs_attach() and bfa_fcs_init().

Removed empty function definitions in FCS modules

Modified driver to call bfa_fcs_attach() and bfa_fcs_init() as needed.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-04 16:14:10 +05:30
Krishna Gudipati 5b098082e2 [SCSI] bfa: Changes to support FDMI Driver Parameter
Added a FCS function to be called during driver init, to set the FDMI
 Driver parameter.

fdmi.c: Created a disabled state when fdmi is disabled.

bfad.c:
  * Added fdmi_enable driver parameter.
  * Added support to call bfa_fcs_set_fdmi_param() to initialize fcs
    fdmi setting.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-04 16:13:40 +05:30
Krishna Gudipati ab5336189a [SCSI] bfa: Enable new halt interrupt in BFA.
bfa_intr.c:  Enable new halt interrupt in BFA.
bfi_ctreg.h: Expose new halt interrupt bit definition to host.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-04 16:12:58 +05:30
Krishna Gudipati 2f9b8857a9 [SCSI] bfa: Enable IOC auto-recovery and IOC type fix.
bfa_ioc.c:
  - Enable IOC auto-recovery by default.
  - When CNA is in FC mode, return IOC type as FC (not FCoE)

bfa_iocfc.c:
  - Set fcmode before pci initialization/setup.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-04 16:10:02 +05:30
Krishna Gudipati 5c1fb1d556 [SCSI] bfa: Defined a new LPS event to clear virtual link on a vport
Clear virtual links was not propagated upwards to bfa from fw.
This resulted in HBA and switch being in an inconsistent state.

So defined a new LPS event for clear virtual link on a vport,
and also now clear virtual link on a baseport, is sent as a
link down event from the fw.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-04 16:09:37 +05:30
Krishna Gudipati 4c147dd819 [SCSI] bfa: Added separate MSI-X module parameters.
Added separate MSI-X module parameters to selectively
enable / disable MSI-X interrupts for both Brocade HBA and CNA's.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-04 15:29:46 +05:30
Linus Torvalds 4ef58d4e2a Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (42 commits)
  tree-wide: fix misspelling of "definition" in comments
  reiserfs: fix misspelling of "journaled"
  doc: Fix a typo in slub.txt.
  inotify: remove superfluous return code check
  hdlc: spelling fix in find_pvc() comment
  doc: fix regulator docs cut-and-pasteism
  mtd: Fix comment in Kconfig
  doc: Fix IRQ chip docs
  tree-wide: fix assorted typos all over the place
  drivers/ata/libata-sff.c: comment spelling fixes
  fix typos/grammos in Documentation/edac.txt
  sysctl: add missing comments
  fs/debugfs/inode.c: fix comment typos
  sgivwfb: Make use of ARRAY_SIZE.
  sky2: fix sky2_link_down copy/paste comment error
  tree-wide: fix typos "couter" -> "counter"
  tree-wide: fix typos "offest" -> "offset"
  fix kerneldoc for set_irq_msi()
  spidev: fix double "of of" in comment
  comment typo fix: sybsystem -> subsystem
  ...
2009-12-09 19:43:33 -08:00
Linus Torvalds 382f51fe2f Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (222 commits)
  [SCSI] zfcp: Remove flag ZFCP_STATUS_FSFREQ_TMFUNCNOTSUPP
  [SCSI] zfcp: Activate fc4s attributes for zfcp in FC transport class
  [SCSI] zfcp: Block scsi_eh thread for rport state BLOCKED
  [SCSI] zfcp: Update FSF error reporting
  [SCSI] zfcp: Improve ELS ADISC handling
  [SCSI] zfcp: Simplify handling of ct and els requests
  [SCSI] zfcp: Remove ZFCP_DID_MASK
  [SCSI] zfcp: Move WKA port to zfcp FC code
  [SCSI] zfcp: Use common code definitions for FC CT structs
  [SCSI] zfcp: Use common code definitions for FC ELS structs
  [SCSI] zfcp: Update FCP protocol related code
  [SCSI] zfcp: Dont fail SCSI commands when transitioning to blocked fc_rport
  [SCSI] zfcp: Assign scheduled work to driver queue
  [SCSI] zfcp: Remove STATUS_COMMON_REMOVE flag as it is not required anymore
  [SCSI] zfcp: Implement module unloading
  [SCSI] zfcp: Merge trace code for fsf requests in one function
  [SCSI] zfcp: Access ports and units with container_of in sysfs code
  [SCSI] zfcp: Remove suspend callback
  [SCSI] zfcp: Remove global config_mutex
  [SCSI] zfcp: Replace local reference counting with common kref
  ...
2009-12-09 19:42:25 -08:00
Jiri Kosina d014d04386 Merge branch 'for-next' into for-linus
Conflicts:

	kernel/irq/chip.c
2009-12-07 18:36:35 +01:00
Adam Buchbinder 6070d81eb5 tree-wide: fix misspelling of "definition" in comments
"Definition" is misspelled "defintion" in several comments; this
patch fixes them. No code changes.

Signed-off-by: Adam Buchbinder <adam.buchbinder@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-12-04 23:41:47 +01:00
Jing Huang f8ceafde6f [SCSI] bfa: fixed checkpatch errors for bfad files
This patch fixes checkpatch errors/warnings in bfad files.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2009-12-04 12:00:09 -06:00
André Goddard Rosa af901ca181 tree-wide: fix assorted typos all over the place
That is "success", "unknown", "through", "performance", "[re|un]mapping"
, "access", "default", "reasonable", "[con]currently", "temperature"
, "channel", "[un]used", "application", "example","hierarchy", "therefore"
, "[over|under]flow", "contiguous", "threshold", "enough" and others.

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-12-04 15:39:55 +01:00
Ben Hutchings 1a0f437235 [SCSI] bfa: declare MODULE_FIRMWARE
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Acked-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2009-11-11 12:21:06 -05:00
Roel Kluin 7542fa72e2 [SCSI] bfa: fix test in bfad_os_fc_host_init()
BFA_PORT_ROLE_FCP_IPFC is 0x04 so this always evaluates to true

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Jing Huang <huangj@Brocade.COM>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2009-11-03 09:29:58 -06:00
Jing Huang 7725ccfda5 [SCSI] bfa: Brocade BFA FC SCSI driver
Add new driver for Brocade Hardware

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2009-10-02 09:47:40 -05:00