NPIV support is only available via new adapter interface extensions,
termed SLI-3. This interface changes some of the basic behaviors such
as command and response ring element sizes and data structures, as
well as a change in buffer posting. Note: the new firmware extensions
are found only on our mid-range and enterprise 4Gig adapters - so NPIV
support is available only on these newer adapters. The latest firmware
can be downloaded from the Emulex support page.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
The driver is reorganized to separate the handling of the adapter from
the handling of the FC port. Adapter handling includes submissions of
command requests, receiving responses, and managing adapter resources.
The FC port includes the discovery engine, login handling, and the
mapping of a Scsi_Host on the "port". Although not a large functional
change, as it touches core structures and functions, resulting in a
large text delta.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Added support for 8G speed and new HBAs.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Add support for async scanning
Notes: This is the async scan patch to our driver from Matthew Wilcox.
The async scan logic is still subject to errors in insmod/rmmod, as
the async scan threads don't get shutdown when the module unloads
underneath them. See http://marc.info/?l=linux-scsi&m=117551999925582&w=2
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Don't process ERATT interrupts when issuing KILL_BOARD mbx command
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Collapse discovery lists to a single node list.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Improve handling of failed ELS aborts.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Improve diagnostic messages and change local loopback message to KERN_INFO
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Fixed recovery of rport after race with dev_loss_tmo
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Round 2 of Miscellaneous fixes:
- Ensure we don't prematurely re-enable IRQs in lpfc_sli_abort_fcp_cmpl().
- Prevent freeing of iocb after IOCB_TIMEDOUT error.
- Added code to cleanup REG_LOGIN mailbox command when a LOGO is received.
- Fix offline window where more work can sneak in after clearing work_ha
- Use target reset instead of LU reset in bus_device_reset_handler
- Fixed system hangs due to leaked host_lock.
- Fixed NULL pointer dereference during I/O with LIP.
- Fixed false iocb timeout.
- Fixed name server query response handling.
- Change rport dev_loss_tmo value when user change lpfc HBA's dev_loss_tmo.
- Fixed a memory leak in lpfc_sli_wake_mbox_wait.
- Fixed check for dropped frames.
- Removed hba queue depth calculation based on device PCI IDs
- Change min cr_count value specified in comment to agree with setting
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Reorganize lpfc_nlp_list() and callers to prepare for nodelist simplification.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Modify ELS abort handling to prevent double completion
Rework portions of ELS abort handling to prevent double completion
- Rework ELS iotags and correct abort routine
- Move the (badly wrong) ELS completion logic from the initial ELS
abort request function to the ELS completion function.
- Fixup the iocb completion handling to account for the ELS abort
completions.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Misc bug fixes and code cleanup:
- Fix system hang while running on systems with IOMMU
- Fix use after free issues with rports
- Don't free mailbox structure if it's still on the mboxq list
- Decrement txq_cnt rather than txcmplq_cnt when parsing the txq list
- Use msleep for long delays to prevent soft lockup bug check
- Don't remove node during dev_loss_tmo if discovery is active
- Fix memory leaks in get/reset statistics and link attention paths
- Fixed lpfc_ns_rsp to handle entire GID_FT response.
- mbox interface should use MAILBOX_CMD_SIZE rather than sizeof(MAILBOX_t)
- Fixed bug check in add_timer.
- Fixup messages 0116, 0117, and 0128 to report ELS I/O tag.
- Remove unused parameter to lpfc_cleanup.
- Change mailbox timeout handling.
- Remove unused buflist. Code cleanup.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
We have seen two cases where VPD on an emulex card has been incorrect
and we end up walking off the end of memory. It looks like someone made
an update (increased the length of a string) without increasing the
Length field. Then we do:
Length -= (3+i);
And since Length is unsigned it becomes very large and we loop forever
in the encapsulating:
while (Length > 0) {
If we make Length signed then we fall out of the loop and proceed on.
Its important to note we have only seen this in the lab and it may be
the only two cases of this in existence, but since the rest of the code
has been written to be resilient against bad VPD we may as well fix this
too.
Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: James Smart <James.Smart@Emulex.Com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
If a PCI error is detected that cannot be recovered from, there
will be a double call of lpfc_pci_remove_one(), with the second call
resulting in a null-pointer dereference. The first call occurs in
lpfc_io_error_detected(), and the second call during pci device
remove. This patch eliminates the first call; its un-needed.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Acked-by: James Smart <James.Smart@Emulex.Com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This patch adds PCI Error recovery support to the
Emulex Lightpulse Fibrechannel (lpfc) SCSI device driver.
Lightly tested at this point, works.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Acked-by: Bino.Sebastian@Emulex.Com
Acked-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Add kmalloc failure check and fix the loop on error path. Without the
patch pool element at index [0] will not be freed.
Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Acked-by: James Smart <James.Smart@Emulex.Com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Misc Fixes:
- Prevent references to NULL node list element in reset routines.
- Add missing IOCB types to switch tables
- Reset the card on Port Error 5
- Fix infinite loop in LUN reset
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
The driver now allows both wwpn and wwnn to be set.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
To avoid continually updating the driver for new subsystem ids
(as adapter modules are proliferating), remove this 2nd level decode.
Genericize the reported Adapter names to be consistent across
Emulex product line.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Add MSI (Message Signalled Interrupts) support
Actual use must be enabled via the new module parameter "lpfc_use_msi"
Defaults to no use
Many thanks to Frederic Temporelli who implemented the initial patch.
Signed-off-by: Frederic Temporelli <frederic.temporelli@ext.bull.net>
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Adjust LOG_FCP logging to be more meaningful.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
It was not accounted for in the fast/slow rings.
Genericize the implementation and control it via sysfs
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Discovery Fixes:
- Prevent starting discovery of a node if discovery is in progress.
- Code improvement (reduction) for lpfc_findnode_did().
- Update discovery to send RFF to Fabric on link up
- Bypass unique WWN checks for fabric addresses
- Add ndlp to plogi list prior to issuing the plogi els command
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Fix printk format warning:
drivers/scsi/lpfc/lpfc_attr.c:597: warning: long long unsigned int format, uint64_t arg (arg 4)
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: James Smart <James.Smart@Emulex.Com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
If we fail to allocate mp->virt during the first while loop iteration,
mlist is still uninitialized, therefore we should check if before
dereferencing.
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Acked-by: James Smart <James.Smart@Emulex.Com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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)
In some places, particularly drivers and __init code, the init utsns is the
appropriate one to use. This patch replaces those with a the init_utsname
helper.
Changes: Removed several uses of init_utsname(). Hope I picked all the
right ones in net/ipv4/ipconfig.c. These are now changed to
utsname() (the per-process namespace utsname) in the previous
patch (2/7)
[akpm@osdl.org: CIFS fix]
Signed-off-by: Serge E. Hallyn <serue@us.ibm.com>
Cc: Kirill Korotaev <dev@openvz.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: Andrey Savochkin <saw@sw.ru>
Cc: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Add support for a new lpfc soft_wwpn sysfs attribute
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Add support for new dev_loss_tmo callback
Goodness is that it removes code for a parallel nodev timer that
existed in the driver
Add support for the new fast_io_fail callback
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Add support to return adapter symbolic name (now that attribute is dynamic)
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Add support to post events via new FC event interfaces
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Stall error handler if attempting resets/aborts while an rport is blocked.
This avoids device offline scenarios due to errors in the error handler.
Background:
Although the transport is using the scsi_timed_out functionality to
restart the timeout if the rport is blocked, if the timeout has already
fired before the block occurs, the eh handler still runs and can take
the device offline. Ultimately, this window cannot be resolved without
significant work in the error handler thread. Christoph noted the first
level of these issues when he noted the poor error response handling
by the error thread.
We found, under heavy load and error testing, that time window from when
the scsi_times_out() adds the io to the queue to when the scsi_error_handler
gets around to servicing it, can be in the several seconds range. In most
cases, these test conditions are highly unusual, but possible.
As a result, we're stalling the error handler in this race window so that
we can avoid the device_offline transitions.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Misc Bug Fixes:
- Cap MBX_DOWN_LINK command timeout to 60 seconds
- Fix double free of ndlp object
- Don't free mbox structures on error. The completion handlers expect to do so.
- Clear host attention work items when going offline
- Fixed discovery issues in multi-initiator environments.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
ID String and Message fixes
- Fix switch symbolic name registration to match cross-OS values
- Replace printk's with more standard lpfc_printf_log calls
- Make all lpfc_printf_log message numbers unique
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Short bug fixes:
- Fix iocbq list corruption due to missing list_del's in ct handling
- Missing unlock in lpfc_sli_next_iotag()
- Fix initialization of can_queue value
- Differentiate sysfs mailbox errors with different codes.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Fix race condition between lpfc_sli_issue_mbox and lpfc_online
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Fix failing firmware download due to mailbox delays needing to be longer.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Misc Fixes:
- Fix some sparse warnings - casts of address space
- Fix handling of the adapter registration string. Each invocation
was byteswapping, so every other adapter init attempt failed.
- Correct comments and default value for the lpfc_max_luns parameter
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Add lpfc_sli_flush_mbox_queue() function and use it in lpfc_offline() call
to avoid deadlock on thread block.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Correct the wait in attachment that delays for topology discovery
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Remove depricated sysfs attribute board_online, as it's replaced by the new
issue_reset attribute
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Adding new issue_reset sysfs attribute
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Fix panic in lpfc_sli_validate_fcp_iocb due to access of scsi_cmnd after
returning it to the midlayer
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Consolidate dma buf cleanup into a separate function
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Correct bogus nodev_tmo message on NPort that changes its NPort Id
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Fix txcmplq related panics on heavy IO while downloading firmware
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Issue DOWN_LINK prior to INIT_LINK to work around link failure issue
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Fixed infinite retry of REG_LOGIN mailbox failed due to MBXERR_RPI_FULL
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Fix memory leak and cleanup code related to per ring lookup array.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Standardize the driver on a single define for the maximum supported targets.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Use mod_timer instead of add_timer in lpfc_els_timeout_handler
This patch was formerly posted by Mark Haverkamp.
http://marc.theaimsgroup.com/?l=linux-scsi&m=114246089015681&w=2
Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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>
This removes the duplicate functionality which had been added to
the lpfc driver.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
From: Randy Dunlap <rdunlap@xenotime.net>
Fix sparse warnings: use NULL instead of 0 for pointers:
drivers/scsi/lpfc/lpfc_els.c:827:56: warning: Using plain integer as NULL pointer
drivers/scsi/lpfc/lpfc_els.c:2781:18: warning: Using plain integer as NULL pointer
drivers/scsi/lpfc/lpfc_els.c:2782:18: warning: Using plain integer as NULL pointer
drivers/scsi/lpfc/lpfc_init.c:951:21: warning: Using plain integer as NULL pointer
drivers/scsi/lpfc/lpfc_init.c:956:20: warning: Using plain integer as NULL pointer
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Acked-by: James Smart <James.Smart@Emulex.Com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This patch updates the lpfc driver to revision 8.1.6, which includes
the following changes:
- Fix data corruption in SCSI BUS reset path, due to reusing
the same request structure for each target.
- Change version number to 8.1.6
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Contains the following misc fixes:
- Fix build warnings
- Race condition in lpfc_workq_post_event() could corrupt phba->work_list.
- nlp_sid was not being initialized properly
- Fix some RSCN handling during the re-discovery after Link Up event.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Additional fixes to LOGO, PLOGI, and RSCN processing
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Fix cleanup code in the lpfc_pci_probe_one() error code path.
This changes the original patch by:
- hardsetting the return value from lpfc_pci_probe_one() to
-ENODEV (negative value) if we fail attach
- removes the checks from lpfc_pci_remove_one() validating the
host and phba pointers as it's no longer needed.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Fixed FC protocol violation in handling of PRLO.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Use asynchronous ABTS completion to speed up abort completions
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Fix Discovery processing for NPorts that hit nodev_tmo during discovery
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
James Smart