Commit graph

98 commits

Author SHA1 Message Date
Matthew Dobson
0eaae62aba [PATCH] mempool: use common mempool kmalloc allocator
This patch changes several mempool users, all of which are basically just
wrappers around kmalloc(), to use the common mempool_kmalloc/kfree, rather
than their own wrapper function, removing a bunch of duplicated code.

Signed-off-by: Matthew Dobson <colpatch@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-26 08:56:59 -08:00
James Smart
a382dd7c13 [SCSI] lpfc 8.1.4 : Change version number to 8.1.4
Change version number to 8.1.4

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-03-12 08:57:29 -06:00
James Smart
fc6c12bcc1 [SCSI] lpfc 8.1.4 : Two misc fixes
Two misc fixes:
 - Fix deadlock caused by return with host_lock held in lpfc_findnode_did
 - Initialize all fields of the allocated mail box structure to zero.
   Was causing some sysfs mailbox commands to fail immediately after load.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-03-12 08:57:13 -06:00
James Smart
9290831f00 [SCSI] lpfc 8.1.4 : Introduce lpfc_reset_barrier() function for resets on dual channel adapters
Introduce lpfc_reset_barrier() function for resets on dual channel adapters

Workaround for a hardware errata on dual channel asics. There is a
potential for the chip to lock up on a reset if a shared dma engine is in
use. The (ugly) work around requires a reset process which uses a mailbox
command to synchronize the independent channels prior to the reset to
avoid the issue. Unfortunately, the timing windows required to ensure this
workaround succeeds are very specific, meaning we can't release the cpu
during the barrier.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-03-12 08:56:58 -06:00
James Smart
1a169689c2 [SCSI] lpfc 8.1.4 : Fixed a timer panic due to timer firing after freeing ndlp
Fixed a timer panic due to timer firing after freeing ndlp

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-03-12 08:56:38 -06:00
James Smart
fdcebe282f [SCSI] lpfc 8.1.4 : Fixed RSCN handling when a PLOGI is in retry
Fixed RSCN handling when a PLOGI is in retry.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-03-12 08:56:13 -06:00
James Smart
488d1469b3 [SCSI] lpfc 8.1.4 : Fix Discovery processing for NPorts that change their NPortId on the fly
Fix Discovery processing for NPorts that change their NPortId on the fly
due to a cable swap.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-03-12 08:54:29 -06:00
James Bottomley
286fc8f8ea [SCSI] lpfc: minor syntax fixes
Stop gcc complaining about undefined variables

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-03-06 10:20:56 -06:00
Jamie Wellnitz
b2e977ca36 [PATCH] lpfc 8.1.3: Change version number to 8.1.3
Change version number to 8.1.3

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-03-06 09:48:02 -06:00
Jamie Wellnitz
b808608bd7 [PATCH] lpfc 8.1.3: Fix polling mode panic
Fix polling mode panic

Cause: Race between interrupt driven and polling path in harvesting iocbs
from
the response ring.

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-03-06 09:47:46 -06:00
Jamie Wellnitz
66a9ed6600 [PATCH] lpfc 8.1.3: Protect NPL lists with host lock
Protect NPL lists with host lock

Symptoms: lpfc_findnode_rpi and lpfc_findnode_did can be called
outside of the discovery thread context. We have to iterate
through the NPL lists under the host lock and all add/del
operations on those lists have to be done under host lock.

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-03-06 09:47:31 -06:00
Jamie Wellnitz
5fe9f51193 [PATCH] lpfc 8.1.3: Fix deadlock in lpfc_fdmi_tmo_handler
Fix deadlock in lpfc_fdmi_tmo_handler

lpfc_fdmi_tmo_handler was calling lpfc_fdmi_cmd with the host_lock
held.  lpfc_fdmi_cmd assumes the host_lock is released as it calls functions
that acquire the host_lock.  lpfc_fdmi_tmo_handler acquired the host_lock to
protect access to work_hba_events.  This was already checked in the worker
thread so we can remove that code completely and remove access to the
host_lock.

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-03-06 09:47:14 -06:00
Jamie Wellnitz
cf5bf97e1d [PATCH] lpfc 8.1.3: Fix performance when using multiple SLI rings
Fix performance when using multiple SLI rings

Currently the driver allocates all of its SLI command and response ring
entries to one primary ring. Other rings get little, or no, resources.

Allow more resources to be given to ring 1

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-03-06 09:46:57 -06:00
Jamie Wellnitz
56178645c2 [PATCH] lpfc 8.1.3: Remove unused MBhostaddr from lpfc_sli structure
Remove unused MBhostaddr from lpfc_sli structure

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-03-06 09:46:34 -06:00
Jamie Wellnitz
719396b48c [PATCH] lpfc 8.1.3: PCI hrd_type should be obtained with pci_read_config_byte() macro
PCI hrd_type should be obtained with pci_read_config_byte() macro

Driver keys off of this field to report the proper adapter type.
The pci subsystem explicitly clears the multiport bit in the copy of
the field given the driver. Thus, to properly name the card, obtain it
from config space.

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-03-06 09:46:10 -06:00
Jamie Wellnitz
74b72a59b8 [PATCH] lpfc 8.1.3: Derive supported speeds from LMT field in the READ_CONFIG
Derive supported speeds from LMT field in the READ_CONFIG

Driver was keying off internal cores. Use what the firmware reports instead.

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-03-06 09:45:43 -06:00
Jamie Wellnitz
3ef0b47ee4 [SCSI] lpfc 8.1.2: Change version number to 8.1.2
Change version number to 8.1.2

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28 19:06:03 -06:00
Jamie Wellnitz
50eba24f2e [SCSI] lpfc 8.1.2: Modify RSCN handling to unregister rpis on lost FCP_TARGETs immediately
Modify RSCN handling to unregister rpis on lost FCP_TARGETs immediately

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28 19:05:42 -06:00
Jamie Wellnitz
0c6ac8efa8 [SCSI] lpfc 8.1.2: Fix panic caused by HBA resets and target side cable pulls
Fix panic caused by HBA resets and target side cable pulls

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28 19:05:14 -06:00
Jamie Wellnitz
8189fd19ac [SCSI] lpfc 8.1.2: Fixed module parameter descriptions.
Fixed module parameter descriptions.

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28 19:04:52 -06:00
Jamie Wellnitz
25594c6b84 [SCSI] lpfc 8.1.2: Code cleanup of lpfc_mbx_cmpl_config_link
Code cleanup of lpfc_mbx_cmpl_config_link

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28 19:04:28 -06:00
Jamie Wellnitz
367c27134a [SCSI] lpfc 8.1.2: Allow turning on internal loop-back mode
Allow turning on internal loop-back mode

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28 19:03:12 -06:00
Jamie Wellnitz
2fe165b650 [SCSI] lpfc 8.1.2: Code style changes for Discovery code
Code style changes for Discovery code

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28 19:02:47 -06:00
Jamie Wellnitz
082c02667d [SCSI] lpfc 8.1.2: Make lpfc_els_rsp_rps_acc and lpfc_els_rsp_rpl_acc static
Make lpfc_els_rsp_rps_acc and lpfc_els_rsp_rpl_acc static

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28 19:02:11 -06:00
Jamie Wellnitz
5024ab179c [SCSI] lpfc 8.1.2: Added support for FAN
Added support for FAN

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28 19:01:51 -06:00
Jamie Wellnitz
41415862a2 [SCSI] lpfc 8.1.2: Add ERROR and WARM_START modes for diagnostic purposes.
Add ERROR and WARM_START modes for diagnostic purposes.

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28 19:00:36 -06:00
Jamie Wellnitz
d9d959c41f [SCSI] lpfc 8.1.2: Remove hba_list from struct lpfc_hba
Remove hba_list from struct lpfc_hba

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28 19:00:11 -06:00
Jamie Wellnitz
7f0b5b1913 [SCSI] lpfc 8.1.2: Correct use of the hostdata field in scsi_host
Correct use of the hostdata field in scsi_host

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28 18:58:02 -06:00
Jamie Wellnitz
c9f8735bea [SCSI] lpfc 8.1.2: Misc FC Discovery changes :
Misc FC Discovery changes :
   - Added FC_BYPASSED_MODE statistic
   - Corrected some log message data
   - Fix up Discovery infrastructure to support FAN:
       Allow Fabric entities to flow thru DSM
       Fix up linkup/linkdown unregister login processing for Fabric entities
       Clean up Discovery code
       Utilize nodev_tmo for Fabric entities
   - Use of 3 * ratov for CT handling timeouts
   - Fix up DSM to make more appropriate decisions and clean up code.

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28 18:57:23 -06:00
Jamie Wellnitz
b28485acb9 [SCSI] lpfc 8.1.2: Add module parameter to limit number of outstanding commands per lpfc HBA
Add module parameter to limit number of outstanding commands per lpfc HBA

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28 18:56:23 -06:00
Jamie Wellnitz
406d6041ac [SCSI] lpfc 8.1.2: Fixed a double insertion of mail box object to the SLI mailbox list.
Fixed a double insertion of mail box object to the SLI mailbox list.

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28 18:55:50 -06:00
Jamie Wellnitz
901a920f07 [SCSI] lpfc 8.1.2: Fixed system panic in lpfc_sli_brdreset during dynamic add of LP11K
Fixed system panic in lpfc_sli_brdreset during dynamic add of LP11K

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28 18:55:24 -06:00
Jamie Wellnitz
7062c5281c [SCSI] lpfc 8.1.2: Explicitly initialize the skip_post argument to lpfc_sli_send_reset
Explicitly initialize the skip_post argument to lpfc_sli_send_reset
  on a ERATT interrupt.

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28 18:54:09 -06:00
Jamie Wellnitz
6ad425356b [SCSI] lpfc 8.1.2: Fixed a race condition in the PLOGI retry logic.
Fixed a race condition in the PLOGI retry logic.

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28 18:53:33 -06:00
Jamie Wellnitz
7bb3b137ab [SCSI] lpfc 8.1.2: Handling of ELS commands RRQ, RPS, RPL and LIRR correctly
Handling of ELS commands RRQ, RPS, RPL and LIRR correctly

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28 18:52:50 -06:00
Jamie Wellnitz
0228aadd0f [SCSI] lpfc 8.1.2: Remove unused SLI_IOCB_HIGH_PRIORITY
Remove unused SLI_IOCB_HIGH_PRIORITY

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28 18:51:38 -06:00
Jamie Wellnitz
0c71fd9e43 [SCSI] lpfc 8.1.2: Remove unreferenced cfg_fcp_bind_method from struct lpfc_hba
Remove unreferenced cfg_fcp_bind_method from struct lpfc_hba

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28 18:51:19 -06:00
Jamie Wellnitz
3bbae37ab4 [SCSI] lpfc 8.1.2: Remove unused prototypes from lpfc_crtn.h
Remove unused prototypes from lpfc_crtn.h

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28 18:50:44 -06:00
Adrian Bunk
455c53ec61 [SCSI] lpfc_scsi.c: make lpfc_get_scsi_buf() static
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: James Smart <James.Smart@Emulex.Com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-01-12 11:36:37 -06:00
James.Smart@Emulex.Com
1cb25a27d0 [SCSI] lpfc 8.1.1 : Change version number to 8.1.1
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-12-13 18:36:15 -07:00
James.Smart@Emulex.Com
fefcb2b677 [SCSI] lpfc 8.1.1 : kill use of pci_read_config_xxx
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-12-13 18:35:50 -07:00
James.Smart@Emulex.Com
445cf4f4d2 [SCSI] lpfc 8.1.1 : Added code to adjust lun queue depth to avoid target overloading
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-12-13 18:35:09 -07:00
James.Smart@Emulex.Com
875fbdfe9b [SCSI] lpfc 8.1.1 : Add polled-mode support
- Add functionality to run in polled mode only. Includes run time
  attribute to enable mode.
- Enable runtime writable hba settings for coallescing and delay parameters

Customers have requested a mode in the driver to run strictly polled.
This is generally to support an environment where the server is extremely
loaded and is looking to reclaim some cpu cycles from adapter interrupt
handling.

This patch adds a new "poll" attribute, and the following behavior:

if value is 0 (default):
  The driver uses the normal method for i/o completion. It uses the
  firmware feature of interrupt coalesing. The firmware allows a
  minimum number of i/o completions before an interrupt, or a maximum
  time delay between interrupts.  By default, the driver sets these
  to no delay (disabled) or 1 i/o - meaning coalescing is disabled.

  Attributes were provided to change the coalescing values, but it was
  a module-load time only and global across all adapters.
  This patch allows them to be writable on a per-adapter basis.

if value is 1 :
  Interrupts are left enabled, expecting that the user has tuned the
  interrupt coalescing values. When this setting is enabled, the driver
  will attempt to service completed i/o whenever new i/o is submitted
  to the adapter. If the coalescing values are large, and the i/o
  generation rate steady, an interrupt will be avoided by servicing
  completed i/o prior to the coalescing thresholds kicking in. However,
  if the i/o completion load is high enough or i/o generation slow, the
  coalescion values will ensure that completed i/o is serviced in a timely
  fashion.

if value is 3 :
  Turns off FCP i/o interrupts altogether. The coalescing values now have
  no effect. A new attribute "poll_tmo" (default 10ms) exists to set
  the polling interval for i/o completion. When this setting is enabled,
  the driver will attempt to service completed i/o and restart the
  interval timer whenever new i/o is submitted. This behavior allows for
  servicing of completed i/o sooner than the interval timer, but ensures
  that if no i/o is being issued, then the interval timer will kick in
  to service the outstanding i/o.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-12-13 18:34:14 -07:00
James.Smart@Emulex.Com
5cc36b3cd0 [SCSI] lpfc 8.1.1 : Bring model descriptions in sync with Emulex standard generic names
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-12-13 18:27:57 -07:00
James.Smart@Emulex.Com
e4adb20406 [SCSI] lpfc 8.1.1 : Add support for more members of the Light Pulse 11xxx (4Gb) family
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-12-13 18:27:22 -07:00
James.Smart@Emulex.Com
6175c02a0b [SCSI] lpfc 8.1.1 : Fixes to error handlers
- Release task management command before counting outstanding commands.
  TMF was being erroneously counted as an active outstanding command.
- Serialize EH calls and block requests when EH function is running.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-12-13 18:26:47 -07:00
James.Smart@Emulex.Com
63c59c3b8f [SCSI] lpfc 8.1.1 : Remove locking wrappers around error handlers
Remove locking wrappers around error handlers. Wrappers were added in
early 2.6.13 api change

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-12-13 18:20:22 -07:00
James.Smart@Emulex.Com
23dc04f1ec [SCSI] lpfc 8.1.1 : Adjust use of scsi_block_requests and interaction w/ FC transport
- Remove unnecessary scsi_block_requests calls on rport deletes.
  This was deadlocking the sdev removals as they wanted to flush commands.
- No longer block requests when adding the remote port (to block
  discovery). Instead, register, then change port role. Maps to Qlogic
  behavior, and closer to the register-node-upon-first-ELS behavior.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-12-13 18:18:47 -07:00
James.Smart@Emulex.Com
6281bfe000 [SCSI] lpfc 8.1.1 : Fixes for short cable pulls
Cause: Link bounces were causing discovery ELS's to be killed.
Driver was not properly flushing ELS commands upon the subsequent
link bounces. Thus, processing of ELS post link bounce erroneously
assumed discovery failure and device loss.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-12-13 18:16:01 -07:00
James.Smart@Emulex.Com
2fb70f7993 [SCSI] lpfc 8.1.1 : Correct some 8bit to 16bit field conversions/comparisons
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-12-13 18:15:40 -07:00