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As planed, this removes ide-scsi.
The 2.6 kernel supports direct writing to ide CD drives, which
eliminates the need for ide-scsi. ide-scsi has been unmaintained and
marked as deprecated.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: James.Bottomley@HansenPartnership.com
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (104 commits)
[SCSI] fcoe: fix configuration problems
[SCSI] cxgb3i: fix select/depend problem
[SCSI] fcoe: fix incorrect use of struct module
[SCSI] cxgb3i: remove use of skb->sp
[SCSI] cxgb3i: Add cxgb3i iSCSI driver.
[SCSI] zfcp: Remove unnecessary warning message
[SCSI] zfcp: Add support for unchained FSF requests
[SCSI] zfcp: Remove busid macro
[SCSI] zfcp: remove DID_DID flag
[SCSI] zfcp: Simplify mask lookups for incoming RSCNs
[SCSI] zfcp: Remove initial device data from zfcp_data
[SCSI] zfcp: fix compile warning
[SCSI] zfcp: Remove adapter list
[SCSI] zfcp: Simplify SBAL allocation to fix sparse warnings
[SCSI] zfcp: register with SCSI layer on ccw registration
[SCSI] zfcp: Fix message line break
[SCSI] qla2xxx: changes in multiq code
[SCSI] eata: fix the data buffer accessors conversion regression
[SCSI] ibmvfc: Improve async event handling
[SCSI] lpfc : correct printk types on PPC compiles
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* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (33 commits)
ide-cd: remove dead dsc_overlap setting
ide: push local_irq_{save,restore}() to do_identify()
ide: remove superfluous local_irq_{save,restore}() from ide_dump_status()
ide: move legacy ISA/VLB ports handling to ide-legacy.c (v2)
ide: move Power Management support to ide-pm.c
ide: use ATA_DMA_* defines in ide-dma-sff.c
ide: checkpatch.pl fixes for ide-lib.c
ide: remove inline tags from ide-probe.c
ide: remove redundant code from ide_end_drive_cmd()
ide: struct device - replace bus_id with dev_name(), dev_set_name()
ide: rework handling of serialized ports (v2)
cy82c693: remove superfluous ide_cy82c693 chipset type
trm290: add IDE_HFLAG_TRM290 host flag
ide: add ->max_sectors field to struct ide_port_info
rz1000: apply chipset quirks early (v2)
ide: always set nIEN on idle devices
ide: fix ->quirk_list checking in ide_do_request()
gayle: set IDE_HFLAG_SERIALIZE explictly
cmd64x: set IDE_HFLAG_SERIALIZE explictly for CMD646
ali14xx: doesn't use shared IRQs
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fcoe selects libfc and requires SCSI and PCI (the SCSI requirement is
implicitly covered by an enclosing if). Fix them both up so they
cannot be configured in an invalid state: make LIBFC select
SCSI_FC_ATTRS and make FCOE depend on PCI and select LIBFC.
Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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cxgb3i requires the cxgb3 net driver, so it selects it. However,
cxgb3 has dependencies which the select cannot see. Fix this by
separating out the cxgb3 dependencies into a separate hidden config
option (CONFIG_CHELSIO_T3_DEPENDS) and make both cxgb3 and cxgb3i
depend on it.
Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Karen Xie <kxie@chelsio.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This structure may not be defined if CONFIG_MODULE=n, so never deref
it. Change uses of module->name to module_name(module) and corrects
some dyslexic printks and docbook comments.
Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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The cxgb3i was using skb->sp pointer for some internal book-keeping
which is not related to the secure path. Changed it to use skb->cb[]
instead.
Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Karen Xie <kxie@chelsio.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This patch implements the cxgb3i iscsi connection acceleration for the
open-iscsi initiator.
The cxgb3i driver offers the iscsi PDU based offload:
- digest insertion and verification
- payload direct-placement into host memory buffer.
Signed-off-by: Karen Xie <kxie@chelsio.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Now that (almost) all host drivers have been fixed not to abuse ide_lock
and core code usage of ide_lock has been sanitized we may safely replace
ide_lock by per-hwgroup locks.
This patch is partially based on earlier patch from Ravikiran G Thirumalai.
While at it:
- don't use deprecated HWIF() and HWGROUP() macros
- update locking documentation in ide.h
v2:
Add missing spin_lock_init(&hwgroup->lock). (Noticed by Elias Oltmanns)
Cc: Vaibhav V. Nivargi <vaibhav.nivargi@gmail.com>
Cc: Alok N. Kataria <alokk@calsoftinc.com>
Cc: Shai Fultheim <shai@scalex86.org>
Signed-off-by: Ravikiran Thirumalai <kiran@scalex86.org>
Cc: Elias Oltmanns <eo@nebensachen.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Following changes have been made:
1. Scan outstanding commands only in the queue where it is submitted
2. Update queue registers directly in the fast path
3. Queue specific BAR is remapped only for multiq capable adapters
Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This fixes the regression introduced by the commit
58e2a02eb18393e76a469580fedf7caec190eb5e (eata: convert to use the
data buffer accessors), reported:
http://marc.info/?t=122987621300006&r=1&w=2
- fix DMA_NONE handling in map_dma()
- this driver can't use scsi_dma_map since host->shost_gendev.parent
is not set properly (it uses scsi_register).
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Reported-by: Arthur Marsh <arthur.marsh@internode.on.net>
Tested-by: Arthur Marsh <arthur.marsh@internode.on.net>
Cc: stable@kernel.org
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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While doing various error injection testing, such as cable
pulls and target moves, some issues were observed in handling
these events. This patch improves the way these events are handled
by increasing the delay waiting for the fabric to settle and also
changes the behavior of Link Up to break the CRQ to ensure everything
gets cleaned up properly on the VIOS.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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To fix the following lockdep warning we turn the spin_unlock_irq() into
a spin_unlock() and similarly for the corresponding spin_lock_irq(). We
can do this because there is no need to enable interrupts in this path
(thanks to Bring King for the tip).
Badness at kernel/lockdep.c:2193
NIP: c0000000000855d0 LR: c0000000000855b4 CTR: c0000000000482d0
REGS: c00000000fffb8d0 TRAP: 0700 Not tainted (2.6.28-rc5-autokern1)
MSR: 8000000000021032 <ME,IR,DR> CR: 28000022 XER: 00000004
TASK = c00000000091fa80[0] 'swapper' THREAD: c000000000a3c000 CPU: 0
GPR00: 0000000000000000 c00000000fffbb50 c000000000a3c2e0 0000000000000001
GPR04: 000000000000a580 c0000000003870d4 0000000000000000 0000000000000001
GPR08: 0000000000000000 c00000000112fdf0 c0000000008ed918 c000000000abcfd0
GPR12: 0000000048000088 c000000000a7f300 0000000000000000 0000000002100000
GPR16: c000000000644bd0 c000000000643390 0000000000000000 00000000003d0c00
GPR20: 00000000028372d8 c0000000007372d8 0000000002837548 c000000000737548
GPR24: c000000000644660 00000000028372d8 000000000000001a c000000076760000
GPR28: 0000000000000004 c0000000004e8450 c0000000009aafb0 c00000000091fa80
NIP [c0000000000855d0] .trace_hardirqs_on_caller+0x10c/0x194
LR [c0000000000855b4] .trace_hardirqs_on_caller+0xf0/0x194
Call Trace:
[c00000000fffbb50] [c00000000fffbbe0] 0xc00000000fffbbe0 (unreliable)
[c00000000fffbbe0] [c0000000004e8450] ._spin_unlock_irq+0x38/0x5c
[c00000000fffbc70] [c0000000003870d4] .ipr_ioa_reset_done+0x204/0x284
[c00000000fffbd10] [c00000000037d234] .ipr_reset_ioa_job+0xc4/0xec
[c00000000fffbda0] [c000000000385ce0] .ipr_isr+0x208/0x484
[c00000000fffbe50] [c0000000000aaf3c] .handle_IRQ_event+0x58/0xd4
[c00000000fffbef0] [c0000000000ad978] .handle_fasteoi_irq+0x110/0x1ac
[c00000000fffbf90] [c000000000025214] .call_handle_irq+0x1c/0x2c
[c000000000a3f9a0] [c00000000000d168] .do_IRQ+0x120/0x210
[c000000000a3fa40] [c000000000004804] hardware_interrupt_entry+0x1c/0x98
--- Exception: 501 at .pseries_dedicated_idle_sleep+0xec/0x1cc
LR = .pseries_dedicated_idle_sleep+0xdc/0x1cc
[c000000000a3fd30] [c000000000038208] .pseries_dedicated_idle_sleep+0x74/0x1cc (unreliable)
[c000000000a3fdd0] [c000000000012134] .cpu_idle+0x114/0x1dc
[c000000000a3fe60] [c0000000004ecb18] .rest_init+0x7c/0x94
[c000000000a3fee0] [c000000000700a40] .start_kernel+0x4b8/0x4e0
[c000000000a3ff90] [c000000000008368] .start_here_common+0x1c/0x34
Instruction dump:
e92d01b0 80090894 2f800000 41be002c 481ed1d1 60000000 2fa30000 419e0080
e93e8090 80090000 2f800000 409e0070 <0fe00000> 48000068 7fe3fb78 38800001
Signed-off-by: Mark Nelson <markn@au1.ibm.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Pre-emptively terminate i/o on the rport if dev_loss_tmo has fired.
The desire is to terminate everything, so that the i/o is cleaned up
prior to the sdev's being unblocked, thus any outstanding timeouts/aborts
are avoided.
Also, we do this early enough such that the rport's port_id field is
still valid. FCOE libFC code needs this info to find the i/o's to
terminate.
Signed-off-by: James Smart <james.smart@emulex.com>
[michaelc@cs.wisc.edu: remove extra scsi_target_unblock call]
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Following changes have been made.
1. qla_hw_data structure holds an array for request queue pointers,
and an array for response queue pointers.
2. The base request and response queues are created by default.
3. Additional request and response queues are created at the time of vport
creation. If queue resources are exhausted during vport creation, newly
created vports use the default queue.
4. Requests are sent to the request queue that the vport was assigned
in the beginning.
5. Responses are completed on the response queue with which the request queue
is associated with.
[fixup memcpy argument reversal spotted by davej@redhat.com]
Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Encapsulation protocol for running Fibre Channel over Ethernet interfaces.
Creates virtual Fibre Channel host adapters using libfc.
This layer is the LLD to the scsi-ml. It allocates the Scsi_Host, utilizes
libfc for Fibre Channel protocol processing and interacts with netdev to
send/receive Ethernet packets.
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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libFC is composed of 4 blocks supported by an exchange manager
and a framing library. The upper 4 layers are fc_lport, fc_disc,
fc_rport and fc_fcp. A LLD that uses libfc could choose to
either use libfc's block, or using the transport template
defined in libfc.h, override one or more blocks with its own
implementation.
The EM (Exchange Manager) manages exhcanges/sequences for all
commands- ELS, CT and FCP.
The framing library frames ELS and CT commands.
The fc_lport block manages the library's representation of the
host's FC enabled ports.
The fc_disc block manages discovery of targets as well as
handling changes that occur in the FC fabric (via. RSCN events).
The fc_rport block manages the library's representation of other
entities in the FC fabric. Currently the library uses this block
for targets, its peer when in point-to-point mode and the
directory server, but can be extended for other entities if
needed.
The fc_fcp block interacts with the scsi-ml and handles all
I/O.
Signed-off-by: Robert Love <robert.w.love@intel.com>
[jejb: added include of delay.h to fix ppc64 compile prob spotted by sfr]
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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The ibmvscsi driver currently has a bug in it which can result
in it using up all its event structs for commands. If something
results in all those commands timing out, we won't have any resources
left to send aborts or resets. This results in escalating to a host reset
in order to recover, which is a bit heavy handed. This fixes it
by reducing can_queue by two in order to have resources to do EH.
It also changes the max_requests module parameter so that it is not
writable at runtime, since the code really does not handle it changing
at runtime.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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[jejb: fix rejections]
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This replaces st_do_scsi in st_int_ioctl with st_scsi_kern_execute.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Kai Makisara <Kai.Makisara@kolumbus.fi>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This replaces st_do_scsi in get_location (READ_POSITION) with
st_scsi_kern_execute.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Kai Makisara <Kai.Makisara@kolumbus.fi>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This replaces st_do_scsi in write_mode_page (MODE_SELECT) with
st_scsi_kern_execute.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Kai Makisara <Kai.Makisara@kolumbus.fi>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This replaces st_do_scsi in read_mode_page (MODE_SENSE) with
st_scsi_kern_execute.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Kai Makisara <Kai.Makisara@kolumbus.fi>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This replaces st_do_scsi in check_tape (READ_BLOCK_LIMITS and
MODE_SENSE) with st_scsi_kern_execute.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Kai Makisara <Kai.Makisara@kolumbus.fi>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This replaces st_do_scsi in st_flush (WRITE FILEMARKS) with
st_scsi_kern_execute.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Kai Makisara <Kai.Makisara@kolumbus.fi>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This replaces st_do_scsi in cross_eof (SPACE) with
st_scsi_kern_execute.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Kai Makisara <Kai.Makisara@kolumbus.fi>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This replaces st_do_scsi in do_load_unload (START STOP) with
st_scsi_kern_execute.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Kai Makisara <Kai.Makisara@kolumbus.fi>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This replaces st_do_scsi in set_location (LOCATE 10) with
st_scsi_kern_execute.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Kai Makisara <Kai.Makisara@kolumbus.fi>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This replaces st_do_scsi in test_ready (TEST_UNIT_READY) with
st_scsi_kern_execute.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Kai Makisara <Kai.Makisara@kolumbus.fi>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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st_scsi_kern_execute is a helper function to perform SCSI commands
synchronously. It supports data transfer with a liner in-kernel buffer
(not scatter gather). st_scsi_kern_execute internally uses
scsi_execute().
The majority of st_do_scsi can be replaced with
st_scsi_kern_execute. This is a preparation for rewriting st_do_scsi
to remove obsolete scsi_execute_async().
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This moves st_request initialization code to st_allocate_request()
form st_do_scsi(). This is a preparation for making
st_allocate_request() usable for everyone, not only st_do_scsi().
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Kai Makisara <Kai.Makisara@kolumbus.fi>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Add SCSI data path, error handling, and debugfs code to complete
BlockGuard support.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Update struct definitions, #defines, sysfs entries, and initialization
to support BlockGuard.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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- Fix mailbox buffer leak on dump mailbox completion
- Fix mbuf leak in lpfc_pci_probe_one() SLI-2 mode error path
- Don't allocate HBQs in interrupt context
- Use correct size for FCP response buffer so that all available sense
data is copied
- Fix jiffies calculation to prevent crash when collecting statistical
data
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Per the recent discussions at the Linux Plumbers Conference, when
enabling MSI or MSI-X, generate a test interrupt to verify the
interrupt routing is working properly. If the test interrupt fails,
fall back to MSI first, and if that fails as well, to INTx. If the
interrupt test fails with INTx, log an error and fail the PCI probe.
Also changed the use of spin_(lock|unlock) to the _irq(save|restore)
variants in the interrupt handlers because with multi-message MSI-X,
both interrupt handlers can now run in parallel.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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- Avoid polling HBA Error Attention when HBA's PCI channel is offline
due to PCI EEH
- Fix handling of RSCN with non-zero event qualifiers
- Remove unnecessary sleeps during HBA initialization which slow down
driver load
- Fix internal and external loopback on FCoE HBAs
- Fix incorrect decrement of cmd_pending count in lpfc_queuecomand
error path
- Fix reporting of port busy events to management application
- Rename lpfc_adjust_queue_depth() to lpfc_rampdown_queue_depth() for
consistency with its partner lpfc_rampup_queue_depth()
- Delete redundant lpfc_cmd->start_time = jiffies assignment in
lpfc_queuecommand()
- Fix handling for ELS, mailbox and heartbeat time outs in the worker
thread by removing unnecessary checking of the work_port_events
flags.
- Fix NULL pointer dereference in lpfc_prep_els_iocb
- In lpfc_device_recov_npr_node(), move clearing of NLP_NPR_2B_DISC
flag after call to lpfc_cancel_retry_delay_tmo() to keep
targets-in-discovery count correct
- Remove lpfc_probe_one()'s call to scsi_scan_host() which could cause
concurrent SCSI scans to step on each other
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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The phba hbq_get address was setup before the HBA reported support for
Interrupt Enable Block (INB). This caused loopback tests to fail
after all HBQs had been used once. Moved setting of hba_get until
after config port mailbox command completes.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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- Added FC_REG_VPORTRSCN_EVENT to lpfc_nl.h
- Added code to provide option ROM version from HBA and via sysfs
- Added support for HPS bit in config port mailbox command to tell HBA
that host group pointers are in host memory.
- Bugfix for Extended Error Handling (EEH) support on IBM PowerPC P6
platform with MSI enabled
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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- Fix lock up on rmmod with vports defined by having
lpfc_pci_remove_one() invoke fc_vport_terminate() to remove all the
vports before invoking fc_remove_host() for the physical port
- Fix echotest failure when NPIV is enabled
- Add the vport_disable function to the physical port's transport
template to make the vport disable attribute visible
- Set the vport state to DISABLE on create if the disable flag is
true
- Call lpfc_alloc_sysfs_attr() for vports so that statistical data
collection works on them
- Support setting a vport's symbolic name via sysfs by writing to
/sys/class/fc_vport/vportX/symbolic_name
- Fix create vport fails when link is down or in loop mode. Should be
able to be create vports any time NPIV is enabled
- Fix slow vport deletes when deleting multiple vports at once
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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In the IOCB completion handler, always check if the node is valid
before accessing the node object. Added lpfc_initialize_node() to
initialize nodes.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Add kernel-doc function headers to lpfc_scsi.c
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Implement lpfc_pci_suspend_one() and lpfc_pci_resume_one() and
register them in the pci_driver table.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Rework RSCN netlink event to send entire RSCN payload
Also replaces (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX) with
LPFC_NL_VENDOR_ID
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This patch changes scsi_probe_lun() to retry INQUIRY if the device has
not actually sent back any INQUIRY data,
This enables the Thecus N2050 storage device to work better. The
firmware on that device starts up strangely; it sends no data in
response to the initial INQUIRY, and it sends the INQUIRY information
in response to the followup REQUEST SENSE. But after that it works
better, so retrying the INQUIRY is enough to get it going.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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scsi_execute() and scsi_execute_req() discard the residual length
information. Some callers need it. This adds residual argument
(optional) to scsi_execute and scsi_execute_req.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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In order to ensure the VIOS sees a consistent command buffer, we
need to add a memory barrier after building the command buffer
but before sending the command.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Adds a delay prior to retrying a failed NPIV login. This fixes
a scenario if the backing fibre channel adapter is getting reset
due to an EEH event, NPIV login will fail. Currently, ibmvfc
retries three times very quickly, resets the CRQ and tries one
more time. If the adapter is getting reset due to EEH, this isn't
enough time. This adds a delay prior to retrying a failed NPIV
login and also increments the number of retries.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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