This fixes a bug where the iscsi class/driver did not do a put_device
when a sess/conn device was found. This also simplifies the interface
by not having to pass in some arguments that were duplicated and did
not need to be exported.
Reported-by: Zhao Hongjiang <zhaohongjiang@huawei.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Acked-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
These enums have been separate since the dawn of SAS, mainly because the
latter is a procotol only enum and the former includes additional state
for libsas. The dichotomy causes endless confusion about which one you
should use where and leads to pointless warnings like this:
drivers/scsi/mvsas/mv_sas.c: In function 'mvs_update_phyinfo':
drivers/scsi/mvsas/mv_sas.c:1162:34: warning: comparison between 'enum sas_device_type' and 'enum sas_dev_type' [-Wenum-compare]
Fix by eliminating one of them. The one kept is effectively the sas.h
one, but call it sas_device_type and make sure the enums are all
properly namespaced with the SAS_ prefix.
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
With the introduction of REQ_PM, modify sd's runtime suspend operation
functions to use that flag so that the operations to put the device into
runtime suspended state(i.e. sync cache and stop device) will not affect
its runtime PM status.
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
__be32 is already a __bitwise type so we don't need the second __bitwise
here. It causes a Sparse error:
include/scsi/osd_protocol.h:110:26: error: invalid modifier
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Benny Halevy <bhalevy@tonian.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Pull VFS updates from Al Viro,
Misc cleanups all over the place, mainly wrt /proc interfaces (switch
create_proc_entry to proc_create(), get rid of the deprecated
create_proc_read_entry() in favor of using proc_create_data() and
seq_file etc).
7kloc removed.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (204 commits)
don't bother with deferred freeing of fdtables
proc: Move non-public stuff from linux/proc_fs.h to fs/proc/internal.h
proc: Make the PROC_I() and PDE() macros internal to procfs
proc: Supply a function to remove a proc entry by PDE
take cgroup_open() and cpuset_open() to fs/proc/base.c
ppc: Clean up scanlog
ppc: Clean up rtas_flash driver somewhat
hostap: proc: Use remove_proc_subtree()
drm: proc: Use remove_proc_subtree()
drm: proc: Use minor->index to label things, not PDE->name
drm: Constify drm_proc_list[]
zoran: Don't print proc_dir_entry data in debug
reiserfs: Don't access the proc_dir_entry in r_open(), r_start() r_show()
proc: Supply an accessor for getting the data from a PDE's parent
airo: Use remove_proc_subtree()
rtl8192u: Don't need to save device proc dir PDE
rtl8187se: Use a dir under /proc/net/r8180/
proc: Add proc_mkdir_data()
proc: Move some bits from linux/proc_fs.h to linux/{of.h,signal.h,tty.h}
proc: Move PDE_NET() to fs/proc/proc_net.c
...
Merge third batch of fixes from Andrew Morton:
"Most of the rest. I still have two large patchsets against AIO and
IPC, but they're a bit stuck behind other trees and I'm about to
vanish for six days.
- random fixlets
- inotify
- more of the MM queue
- show_stack() cleanups
- DMI update
- kthread/workqueue things
- compat cleanups
- epoll udpates
- binfmt updates
- nilfs2
- hfs
- hfsplus
- ptrace
- kmod
- coredump
- kexec
- rbtree
- pids
- pidns
- pps
- semaphore tweaks
- some w1 patches
- relay updates
- core Kconfig changes
- sysrq tweaks"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (109 commits)
Documentation/sysrq: fix inconstistent help message of sysrq key
ethernet/emac/sysrq: fix inconstistent help message of sysrq key
sparc/sysrq: fix inconstistent help message of sysrq key
powerpc/xmon/sysrq: fix inconstistent help message of sysrq key
ARM/etm/sysrq: fix inconstistent help message of sysrq key
power/sysrq: fix inconstistent help message of sysrq key
kgdb/sysrq: fix inconstistent help message of sysrq key
lib/decompress.c: fix initconst
notifier-error-inject: fix module names in Kconfig
kernel/sys.c: make prctl(PR_SET_MM) generally available
UAPI: remove empty Kbuild files
menuconfig: print more info for symbol without prompts
init/Kconfig: re-order CONFIG_EXPERT options to fix menuconfig display
kconfig menu: move Virtualization drivers near other virtualization options
Kconfig: consolidate CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
relay: use macro PAGE_ALIGN instead of FIX_SIZE
kernel/relay.c: move FIX_SIZE macro into relay.c
kernel/relay.c: remove unused function argument actor
drivers/w1/slaves/w1_ds2760.c: fix the error handling in w1_ds2760_add_slave()
drivers/w1/slaves/w1_ds2781.c: fix the error handling in w1_ds2781_add_slave()
...
Remove empty Kbuild files as they cause problems with the patch program which
removes files that become empty.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This patch allows iscsiadm to manage iSCSI target information stored on
adapter flash on per host basis.
The sysfs entries will look as cited below:
/sys/bus/iscsi_flashnode/devices/flashnode_sess-<host_no>:<flashnode_id>/<session attrs>
/sys/bus/iscsi_flashnode/devices/flashnode_conn-<host_no>:<flashnode_id>:<conn_id>/<conn attrs>
Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com>
Signed-off-by: Manish Rangankar <manish.rangankar@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
It's still an obsolete interface; don't introduce those in new drivers.
However, it's saner than the ->proc_info() and commits after this one
will convert the existing ->proc_info() users to it.
The read side is ->show_info(seq_file *, struct Scsi_Host *); use
seq_... for generating contents.
The write side is ->write_info(struct Scsi_Host *, char *, int).
Again, this is driven by procfs needs; we are going to kill ->write_proc()
and ->read_proc() and this is the main obstacle to burying that piece of
shit.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Split discovery initialization in code that is setup once (fcoe_disc_init)
and code that can be re-configured (fcoe_disc_config).
Signed-off-by: Robert Love <robert.w.love@intel.com>
Tested-by: Jack Morgan <jack.morgan@intel.com>
Reviewed-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Currently libfcoe is doing some libfc discovery layer initialization outside of
libfc. This patch moves this code into libfc and sets up a split in discovery
(one time) initialization code and (re-configurable) settings that will come in
the next patch.
Signed-off-by: Robert Love <robert.w.love@intel.com>
Tested-by: Jack Morgan <jack.morgan@intel.com>
Reviewed-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
This is an assorted set of stragglers into the merge window with driver
updates for qla2xxx, megaraid_sas, storvsc and ufs. It also includes pulls of
the uapi tree (all the remaining SCSI pieces) and the fcoe tree (updates to
fcoe and libfc)
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This is an assorted set of stragglers into the merge window with
driver updates for qla2xxx, megaraid_sas, storvsc and ufs.
It also includes pulls of the uapi tree (all the remaining SCSI
pieces) and the fcoe tree (updates to fcoe and libfc)"
* tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (81 commits)
[SCSI] ufs: Separate PCI code into glue driver
[SCSI] ufs: Segregate PCI Specific Code
[SCSI] scsi: fix lpfc build when wmb() is defined as mb()
[SCSI] storvsc: Handle dynamic resizing of the device
[SCSI] storvsc: Restructure error handling code on command completion
[SCSI] storvsc: avoid usage of WRITE_SAME
[SCSI] aacraid: suppress two GCC warnings
[SCSI] hpsa: check for dma_mapping_error in hpsa_passthru ioctls
[SCSI] hpsa: reorganize error handling in hpsa_passthru_ioctl
[SCSI] hpsa: check for dma_mapping_error in hpsa_map_sg_chain_block
[SCSI] hpsa: Check for dma_mapping_error for all code paths using fill_cmd
[SCSI] hpsa: Check for dma_mapping_error in hpsa_map_one
[SCSI] dc395x: uninitialized variable in device_alloc()
[SCSI] Fix range check in scsi_host_dif_capable()
[SCSI] storvsc: Initialize the sglist
[SCSI] mpt2sas: Add support for OEM specific controller
[SCSI] ipr: Fix oops while resetting an ipr adapter
[SCSI] fnic: Fnic Trace Utility
[SCSI] fnic: New debug flags and debug log messages
[SCSI] fnic: fnic driver may hit BUG_ON on device reset
...
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Merge tag 'uapi-20121219' into for-linus
UAPI Disintegration 2012-12-19
This is the remaining SCSI part of the UAPI
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
The range checking from fe542396 was bad. We would still end up walking
beyond the array as Type 3 is defined to be 4 in the protection
bitmask. Instead use ARRAY_SIZE() for the range check.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Commit 166a2967b4 "libata: tell scsi layer
device supports runtime power off" introduced the can_power_off flag for
scsi_device and is used to support ZPODD implementation in SCSI layer.
Since ZPODD is now implemented in ATA layer, that flag is no longer
needed, so remove it.
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
When the ODD is powered off, any action the user did to the ODD that
would generate a media event will trigger an ACPI interrupt, so the
poll for media event is no longer necessary. And the poll will also
cause a runtime status change, which will stop the ODD from staying in
powered off state, so the poll should better be stopped.
But since we don't have access to the gendisk structure in LLDs, here
comes the disk_events_disable_depth for scsi device. This field is a
hint set by LLDs to convey information to upper layer drivers. A value
of 0 means media poll is necessary for the device, while values above 0
means media poll is not needed and should better be skipped. So we can
increase its value when we are to power off the ODD in ATA layer and
decrease its value when the ODD is powered on, effectively silence the
media events poll.
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
Similarly they can be moved into libfcoe instead of being private to fcoe now.
Also add comments particularly on the term LESB to the corresponding function.
Signed-off-by: Yi Zou <yi.zou@intel.com>
Cc: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Tested-by: Marcus Dennis <marcusx.e.dennis@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
With the previous patch, fcoe_link_speed_update() can be moved into libfcoe and
exported to used by fcoe, bnx2fc, and etc.
Signed-off-by: Yi Zou <yi.zou@intel.com>
Cc: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Tested-by: Marcus Dennis <marcusx.e.dennis@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Adds support to fcoe_port's newly added get_netdev fucntion pointer.
Signed-off-by: Yi Zou <yi.zou@intel.com>
Cc: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Tested-by: Marcus Dennis <marcusx.e.dennis@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Currently, in the default kernel fcoe driver, it is needed to get to the underlying
private per fcoe transport's private structure, e.g., fcoe_interface in
fcoe.ko, and returns the associated netdev. The similar logic exists in other
fcoe drivers, e.g., bnx2fc, so we add a function pointer into the common
fcoe_port struct to allow individual fcoe transport implementaion (fcoe
and bnx2fc) to get the corresponding netdev associated with a give lport.
Then a inline fcoe_get_netdev() is added as part of libfcoe for all underlying
fcoe transport drivers to use regardless of its individual fcoe transport
driver, and also allows move more common code such as fcoe_link_speed_update or
fcoe_ctlr_get_lesb to be in libfcoe, rather than specific to fcoe.
This patch is a prep work that adds aforementioned fucntion pointer, and
followed by the actual code changes to make use of it.
Signed-off-by: Yi Zou <yi.zou@intel.com>
Cc: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Tested-by: Marcus Dennis <marcusx.e.dennis@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
This patch does a few things.
1) Makes /sys/bus/fcoe/ctlr_{create,destroy} interfaces.
These interfaces take an <ifname> and will either
create an FCoE Controller or destroy an FCoE
Controller depending on which file is written to.
The new FCoE Controller will start in a DISABLED
state and will not do discovery or login until it
is ENABLED. This pause will allow us to configure
the FCoE Controller before enabling it.
2) Makes the 'mode' attribute of a fcoe_ctlr_device
writale. This allows the user to configure the mode
in which the FCoE Controller will start in when it
is ENABLED.
Possible modes are 'Fabric', or 'VN2VN'.
The default mode for a fcoe_ctlr{,_device} is 'Fabric'.
Drivers must implement the set_fcoe_ctlr_mode routine
to support this feature.
libfcoe offers an exported routine to set a FCoE
Controller's mode. The mode can only be changed
when the FCoE Controller is DISABLED.
This patch also removes the get_fcoe_ctlr_mode pointer
in the fcoe_sysfs function template, the code in
fcoe_ctlr.c to get the mode and the assignment of
the fcoe_sysfs function pointer to the fcoe_ctlr.c
implementation (in fcoe and bnx2fc). fcoe_sysfs can
return that value for the mode without consulting the
LLD.
3) Make a 'enabled' attribute of a fcoe_ctlr_device. On a
read, fcoe_sysfs will return the attribute's value. On
a write, fcoe_sysfs will call the LLD (if there is a
callback) to notifiy that the enalbed state has changed.
This patch maintains the old FCoE control interfaces as
module parameters, but it adds comments pointing out that
the old interfaces are deprecated.
Signed-off-by: Robert Love <robert.w.love@intel.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
This patch set includes two large new drivers: mpt3sas (for the next gen
fusion SAS hardware) and csiostor a FCoE offload driver for the Chelsio
converged network cards (this includes some net changes which I've OK'd with
DaveM).
The rest of the patch is driver updates (qla2xxx, lpfc, hptiop, be2iscsi) plus
a few assorted updates and bug fixes.
We also have a Power Management rework in the Upper Layer Drivers preparatory
to doing ACPI zero power optical devices, but the actual enabler is still
being worked on.
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull first round of SCSI updates from James Bottomley:
"This patch set includes two large new drivers: mpt3sas (for the next
gen fusion SAS hardware) and csiostor a FCoE offload driver for the
Chelsio converged network cards (this includes some net changes which
I've OK'd with DaveM).
The rest of the patch is driver updates (qla2xxx, lpfc, hptiop,
be2iscsi) plus a few assorted updates and bug fixes.
We also have a Power Management rework in the Upper Layer Drivers
preparatory to doing ACPI zero power optical devices, but the actual
enabler is still being worked on.
Signed-off-by: James Bottomley <JBottomley@Parallels.com>"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (72 commits)
[SCSI] mpt3sas: add new driver supporting 12GB SAS
[SCSI] scsi_transport_sas: add 12GB definitions for mpt3sas
[SCSI] miscdevice: Adding support for MPT3SAS_MINOR(222)
[SCSI] csiostor: remove unneeded memset()
[SCSI] csiostor: Fix sparse warnings.
[SCSI] qla2xxx: Display that driver is operating in legacy interrupt mode.
[SCSI] qla2xxx: Dont clear drv active on iospace config failure.
[SCSI] qla2xxx: Fix typo in qla2xxx driver.
[SCSI] qla2xxx: Update ql2xextended_error_logging parameter description with new option.
[SCSI] qla2xxx: Parameterize the link speed of hba rather than fcport.
[SCSI] qla2xxx: Add 16Gb/s case to get port speed capability.
[SCSI] qla2xxx: Move marking fcport online ahead of setting iiDMA speed.
[SCSI] qla2xxx: Add acquiring of risc semaphore before doing ISP reset.
[SCSI] qla2xxx: Ignore driver ack bit if corresponding presence bit is not set.
[SCSI] qla2xxx: Fix typo in qla83xx_fw_dump function.
[SCSI] qla2xxx: Add Gen3 PCIe speed 8GT/s to the log message.
[SCSI] qla2xxx: Use correct Request-Q-Out register during bidirectional request processing
[SCSI] qla2xxx: Move noisy Start scsi failed messages to verbose logging level.
[SCSI] qla2xxx: Fix coccinelle warnings in qla2x00_relogin.
[SCSI] qla2xxx: No fcport FC-4 type assignment in GA_NXT response.
...
- A good chunk of Bart Van Assche's SRP fixes
- UAPI disintegration from David Howells
- mlx4 support for "64-byte CQE" hardware feature from Or Gerlitz
- Other miscellaneous fixes
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Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull infiniband upate from Roland Dreier:
"First batch of InfiniBand/RDMA changes for the 3.8 merge window:
- A good chunk of Bart Van Assche's SRP fixes
- UAPI disintegration from David Howells
- mlx4 support for "64-byte CQE" hardware feature from Or Gerlitz
- Other miscellaneous fixes"
Fix up trivial conflict in mellanox/mlx4 driver.
* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (33 commits)
RDMA/nes: Fix for crash when registering zero length MR for CQ
RDMA/nes: Fix for terminate timer crash
RDMA/nes: Fix for BUG_ON due to adding already-pending timer
IB/srp: Allow SRP disconnect through sysfs
srp_transport: Document sysfs attributes
srp_transport: Simplify attribute initialization code
srp_transport: Fix attribute registration
IB/srp: Document sysfs attributes
IB/srp: send disconnect request without waiting for CM timewait exit
IB/srp: destroy and recreate QP and CQs when reconnecting
IB/srp: Eliminate state SRP_TARGET_DEAD
IB/srp: Introduce the helper function srp_remove_target()
IB/srp: Suppress superfluous error messages
IB/srp: Process all error completions
IB/srp: Introduce srp_handle_qp_err()
IB/srp: Simplify SCSI error handling
IB/srp: Keep processing commands during host removal
IB/srp: Eliminate state SRP_TARGET_CONNECTING
IB/srp: Increase block layer timeout
RDMA/cm: Change return value from find_gid_port()
...
[jejb: split this core change into a separate patch]
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@lsi.com>
Reviewed-by: Nagalakshmi Nandigama <Nagalakshmi.Nandigama@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Make it possible to disconnect the IB RC connection used by the SRP
protocol to communicate with a target.
Have the SRP transport layer create a sysfs "delete" attribute for
initiator drivers that support this functionality.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: David Dillow <dillowda@ornl.gov>
Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Robert Jennings <rcj@linux.vnet.ibm.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Force large capacity (> 0xFFFFFFFF blocks) drives to use READ/WRITE(16) instead
of READ/WRITE(10). Some(most/all?) USB enclosures do not like READ(10) commands
when a large capacity drive is installed. This issue was reported and discussed
here: http://marc.info/?l=linux-usb&m=135247705222324
Signed-off-by: Jason J. Herne <hernejj@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Implement support for WRITE SAME(10) and WRITE SAME(16) in the SCSI disk
driver.
- We set the default maximum to 0xFFFF because there are several
devices out there that only support two-byte block counts even with
WRITE SAME(16). We only enable transfers bigger than 0xFFFF if the
device explicitly reports MAXIMUM WRITE SAME LENGTH in the BLOCK
LIMITS VPD.
- max_write_same_blocks can be overriden per-device basis in sysfs.
- The UNMAP discovery heuristics remain unchanged but the discard
limits are tweaked to match the "real" WRITE SAME commands.
- In the error handling logic we now distinguish between WRITE SAME
with and without UNMAP set.
The discovery process heuristics are:
- If the device reports a SCSI level of SPC-3 or greater we'll issue
READ SUPPORTED OPERATION CODES to find out whether WRITE SAME(16) is
supported. If that's the case we will use it.
- If the device supports the block limits VPD and reports a MAXIMUM
WRITE SAME LENGTH bigger than 0xFFFF we will use WRITE SAME(16).
- Otherwise we will use WRITE SAME(10) unless the target LBA is beyond
0xFFFFFFFF or the block count exceeds 0xFFFF.
- no_write_same is set for ATA, FireWire and USB.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Mike Snitzer <snitzer@redhat.com>
Reviewed-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
The REPORT SUPPORTED OPERATION CODES command can be used to query
whether a given opcode is supported by a device. Add a helper function
that allows us to look up commands.
We only issue RSOC if the device reports compliance with SPC-3 or
later. But to err on the side of caution we disable the command for ATA,
FireWire and USB.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This is an assorted set of stragglers into the merge window with driver
updates for megaraid_sas, lpfc, bfi and mvumi. It also includes some fairly
major fixes for virtio-scsi (scatterlist init), scsi_debug (off by one error),
storvsc (use after free) and qla2xxx (potential deadlock).
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull misc SCSI updates from James Bottomley:
"This is an assorted set of stragglers into the merge window with
driver updates for megaraid_sas, lpfc, bfi and mvumi. It also
includes some fairly major fixes for virtio-scsi (scatterlist init),
scsi_debug (off by one error), storvsc (use after free) and qla2xxx
(potential deadlock).
Signed-off-by: James Bottomley <JBottomley@Parallels.com>"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (49 commits)
[SCSI] storvsc: Account for in-transit packets in the RESET path
[SCSI] qla2xxx: fix potential deadlock on ha->hardware_lock
[SCSI] scsi_debug: Fix off-by-one bug when unmapping region
[SCSI] Shorten the path length of scsi_cmd_to_driver()
[SCSI] virtio-scsi: support online resizing of disks
[SCSI] virtio-scsi: fix LUNs greater than 255
[SCSI] virtio-scsi: initialize scatterlist structure
[SCSI] megaraid_sas: Version, Changelog, Copyright update
[SCSI] megaraid_sas: Remove duplicate code
[SCSI] megaraid_sas: Add SystemPD FastPath support
[SCSI] megaraid_sas: Add array boundary check for SystemPD
[SCSI] megaraid_sas: Load io_request DataLength in bytes
[SCSI] megaraid_sas: Add module param for configurable MSI-X vector count
[SCSI] megaraid_sas: Remove un-needed completion_lock spinlock calls
[SCSI] lpfc 8.3.35: Update lpfc version for 8.3.35 driver release
[SCSI] lpfc 8.3.35: Fixed not reporting logical link speed to SCSI midlayer when QoS not on
[SCSI] lpfc 8.3.35: Fix error with fabric service parameters causing performance issues
[SCSI] lpfc 8.3.35: Fixed SCSI host create showing wrong link speed on SLI3 HBA ports
[SCSI] lpfc 8.3.35: Fixed not checking solicition in progress bit when verifying FCF record for use
[SCSI] lpfc 8.3.35: Fixed messages for misconfigured port errors
...
This patch tries to shorten the path length of scsi_cmd_to_driver(). As only
REQ_TYPE_BLOCK_PC commands can be submitted without a driver, so we could
avoid the related NULL checking, as long as we make sure we don't use it for
REQ_TYPE_BLOCK_PC type commands. Plus, this fixes a bug where you get
different behaviors from REQ_TYPE_BLOCK_PC commands when a driver is and isn't
attached.
Signed-off-by: Li Zhong <zhong@linux.vnet.ibm.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
In LUN RESET testing involving NetApp targets, it is observed that LUN
RESET is failing. The fc_fcp_resp() is not completing the completion
for the LUN RESET task since fc_fcp_resp assumes that the FCP_RSP_INFO
is 8 bytes with the 4 byte reserved field, where in case of NetApp targets
the FCP_RSP to LUN RESET only has 4 bytes of FCP_RSP_INFO. This leads
fc_fcp_resp to error out w/o completing the task completion, eventually
causing LUN RESET to be escalated to host reset, which is not very nice.
Per FCP-3 r04, clause 9.5.15 and Table 23, the FCP_RSP_INFO field can be either
4 bytes or 8 bytes, with the last 4 bytes as "Reserved (if any)". Therefore it
is valid to have 4 bytes FCP_RSP_INFO like some of the NetApp targets behave.
Fixing this by validating the FCP_RSP_INFO against both the two spec allowed
length.
Reported-by: Frank Zhang <frank_1.zhang@intel.com>
Signed-off-by: Yi Zou <yi.zou@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
SCSI errors were generated while writing to LUNs
connected via NPIV ports.
Debugging this it was found that the FCoE packets
transmitted via the NPIV ports were not tagged with
correct user priority as negotiated with peer by DCB
agent. This resulted in FCoE traffic going with priority
zero(0) that did not have priority flow control (PFC)
enabled for it. The initiator after transferring data
to the target never saw any reply indicating the transfer
was complete. This resulted in error recovery (ABTS) and
SCSI command retries by the scsi-mid layer; eventually
resulting in I/O errors.
This patch fixes this issue by keeping the FCoE user
priority information in the fcoe_interface instance
that is common for both the physical port as well as
NPIV ports connected to that physical port; instead
of storing it in fcoe_port structure that has a per
port instance.
Signed-off-by: Neerav Parikh <Neerav.Parikh@intel.com>
Acked-by: Yi Zou <yi.zou@intel.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Tested-by: Marcus Dennis <marcusx.e.dennis@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'uapi-prep-20121002' of git://git.infradead.org/users/dhowells/linux-headers
Pull preparatory patches for user API disintegration from David Howells:
"The patches herein prepare for the extraction of the Userspace API
bits from the various header files named in the Kbuild files.
New subdirectories are created under either include/uapi/ or
arch/x/include/uapi/ that correspond to the subdirectory containing
that file under include/ or arch/x/include/.
The new subdirs under the uapi/ directory are populated with Kbuild
files that mostly do nothing at this time. Further patches will
disintegrate the headers in each original directory and fill in the
Kbuild files as they do it.
These patches also:
(1) fix up #inclusions of "foo.h" rather than <foo.h>.
(2) Remove some redundant #includes from the DRM code.
(3) Make the kernel build infrastructure handle Kbuild files both in
the old places and the new UAPI place that both specify headers
to be exported.
(4) Fix some kernel tools that #include kernel headers during their
build.
I have compile tested this with allyesconfig against x86_64,
allmodconfig against i386 and a scattering of additional defconfigs of
other arches. Prepared for main script
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>"
* tag 'uapi-prep-20121002' of git://git.infradead.org/users/dhowells/linux-headers:
UAPI: Plumb the UAPI Kbuilds into the user header installation and checking
UAPI: x86: Differentiate the generated UAPI and internal headers
UAPI: Remove the objhdr-y export list
UAPI: Move linux/version.h
UAPI: Set up uapi/asm/Kbuild.asm
UAPI: x86: Fix insn_sanity build failure after UAPI split
UAPI: x86: Fix the test_get_len tool
UAPI: (Scripted) Set up UAPI Kbuild files
UAPI: Partition the header include path sets and add uapi/ header directories
UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers
UAPI: (Scripted) Convert #include "..." to #include <path/...> in drivers/gpu/
UAPI: (Scripted) Remove redundant DRM UAPI header #inclusions from drivers/gpu/.
UAPI: Refer to the DRM UAPI headers with <...> and from certain headers only
This is a large set of updates, mostly for drivers (qla2xxx [including support
for new 83xx based card], qla4xxx, mpt2sas, bfa, zfcp, hpsa, be2iscsi, isci,
lpfc, ipr, ibmvfc, ibmvscsi, megaraid_sas). There's also a rework for tape
adding virtually unlimited numbers of tape drives plus a set of dif fixes for
sd and a fix for a live lock on hot remove of SCSI devices.
This round includes a signed tag pull of isci-for-3.6
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull first round of SCSI updates from James Bottomley:
"This is a large set of updates, mostly for drivers (qla2xxx [including
support for new 83xx based card], qla4xxx, mpt2sas, bfa, zfcp, hpsa,
be2iscsi, isci, lpfc, ipr, ibmvfc, ibmvscsi, megaraid_sas).
There's also a rework for tape adding virtually unlimited numbers of
tape drives plus a set of dif fixes for sd and a fix for a live lock
on hot remove of SCSI devices.
This round includes a signed tag pull of isci-for-3.6
Signed-off-by: James Bottomley <JBottomley@Parallels.com>"
Fix up trivial conflict in drivers/scsi/qla2xxx/qla_nx.c due to new PCI
helper function use in a function that was removed by this pull.
* tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (198 commits)
[SCSI] st: remove st_mutex
[SCSI] sd: Ensure we correctly disable devices with unknown protection type
[SCSI] hpsa: gen8plus Smart Array IDs
[SCSI] qla4xxx: Update driver version to 5.03.00-k1
[SCSI] qla4xxx: Disable generating pause frames for ISP83XX
[SCSI] qla4xxx: Fix double clearing of risc_intr for ISP83XX
[SCSI] qla4xxx: IDC implementation for Loopback
[SCSI] qla4xxx: update copyrights in LICENSE.qla4xxx
[SCSI] qla4xxx: Fix panic while rmmod
[SCSI] qla4xxx: Fail probe_adapter if IRQ allocation fails
[SCSI] qla4xxx: Prevent MSI/MSI-X falling back to INTx for ISP82XX
[SCSI] qla4xxx: Update idc reg in case of PCI AER
[SCSI] qla4xxx: Fix double IDC locking in qla4_8xxx_error_recovery
[SCSI] qla4xxx: Clear interrupt while unloading driver for ISP83XX
[SCSI] qla4xxx: Print correct IDC version
[SCSI] qla4xxx: Added new mbox cmd to pass driver version to FW
[SCSI] scsi_dh_alua: Enable STPG for unavailable ports
[SCSI] scsi_remove_target: fix softlockup regression on hot remove
[SCSI] ibmvscsi: Fix host config length field overflow
[SCSI] ibmvscsi: Remove backend abstraction
...
Convert #include "..." to #include <path/...> in kernel system headers.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
We set the capacity to zero when we discovered a device formatted with
an unknown DIF protection type. However, the read_capacity code would
override the capacity and cause the device to be enabled regardless.
Make sd_read_protection_type() return an error if the protection type is
unknown. Also prevent duplicate printk lines when the device is being
revalidated.
Reported-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This header file is included in user space applications
that are doing "FC Passthrough." This include causes
them to also include scsi/scsi.h. Since this header
file doesn't actually need scsi/scsi.h, remove the
include line.
This patch was tested with 'make allyesconfig'.
Signed-off-by: Robert Love <robert.w.love@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Hitachi Ultrastar 15K300 is quirky. Disable T10 PI (DIF).
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
The scsi netlink code confuses the netlink port id with a process id,
going so far as to read NETLINK_CREDS(skb)->pid instead of the correct
NETLINK_CB(skb).pid. Fortunately it does not matter because nothing
registers to respond to scsi netlink requests.
The only interesting use of the scsi_netlink interface is
fc_host_post_vendor_event which sends a netlink multicast message.
Since nothing registers to handle scsi netlink messages kill all of the
registration logic, while retaining the same error handling behavior
preserving the userspace visible behavior and removing all of the
confused code that thought a netlink port id was a process id.
This was tested with a kernel allyesconfig build which had no problems.
Cc: James Bottomley <James.Bottomley@parallels.com>
Cc: James Smart <James.Smart@Emulex.Com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
libsas power management routines to suspend and recover the sas domain
based on a model where the lldd is allowed and expected to be
"forgetful".
sas_suspend_ha - disable event processing allowing the lldd to take down
links without concern for causing hotplug events.
Regardless of whether the lldd actually posts link down
messages libsas notifies the lldd that all
domain_devices are gone.
sas_prep_resume_ha - on the way back up before the lldd starts link
training clean out any spurious events that were
generated on the way down, and re-enable event
processing
sas_resume_ha - after the lldd has started and decided that all phys
have posted link-up events this routine is called to let
libsas start it's own timeout of any phys that did not
resume. After the timeout an lldd can cancel the
phy teardown by posting a link-up event.
Storage for ex_change_count (u16) and phy_change_count (u8) are changed
to int so they can be set to -1 to indicate 'invalidated'.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Jacek Danecki <jacek.danecki@intel.com>
Tested-by: Maciej Patelczyk <maciej.patelczyk@intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Two bits were appended to the end of the bitfield
list in struct scsi_device. Resolve that conflict
by including both bits.
Conflicts:
include/scsi/scsi_device.h
Now that scsi registers its async scan work with the async subsystem,
wait_for_device_probe() is sufficient for ensuring all scanning is
complete.
[jejb: fix merge problems with eea03c20ae Make wait_for_device_probe() also do scsi_complete_async_scans()]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Tested-by: Eldad Zack <eldad@fogrefinery.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
James Bottomley