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cleanuped up
The fcoe controller has back references, therefore defer
releasing master lport which gets freed along scsi_host_put
and then free it once fcoe interface is fully cleaned.
Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Acked-by: Neil Horman <nhorman@tuxdriver.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>
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The lport could get timeout armed while its getting disabled,
so flush lport worker after its disabled and ignore lport
retry in that case instead of WARN_ON.
[13192.936858] WARNING: at drivers/scsi/libfc/fc_lport.c:1573 fc_lport_timeout+0x53/0xa9 [libfc]()
[13192.938026] Hardware name: Bochs
[13192.938620] Modules linked in: fcoe libfcoe libfc scsi_transport_fc scsi_tgt fuse 8021q garp stp llc sunrpc ipv6 uinput microcode joydev pcspkr ixgbe e1000 i2c_piix4 i2c_core virtio_balloon dca mdio virtio_blk virtio_pci virtio_ring virtio floppy [last unloaded: speedstep_lib]
[13192.942589] Pid: 23605, comm: kworker/0:6 Tainted: G W 3.2.0+ #71
[13192.943587] Call Trace:
[13192.944052] [<ffffffff810403f4>] warn_slowpath_common+0x85/0x9d
[13192.944940] [<ffffffff81040426>] warn_slowpath_null+0x1a/0x1c
[13192.945734] [<ffffffffa02746eb>] fc_lport_timeout+0x53/0xa9 [libfc]
[13192.946665] [<ffffffff81058d88>] process_one_work+0x20c/0x3ad
[13192.947541] [<ffffffff81058cbe>] ? process_one_work+0x142/0x3ad
[13192.948423] [<ffffffffa0274698>] ? fc_lport_enter_ns+0x178/0x178 [libfc]
[13192.949363] [<ffffffff8105a313>] worker_thread+0xfd/0x181
[13192.950191] [<ffffffff8105a216>] ? manage_workers.clone.15+0x173/0x173
[13192.951100] [<ffffffff8105e19b>] kthread+0xa4/0xac
[13192.951755] [<ffffffff814edbb4>] kernel_thread_helper+0x4/0x10
[13192.952520] [<ffffffff814e5cb4>] ? retint_restore_args+0x13/0x13
[13192.953398] [<ffffffff8105e0f7>] ? __init_kthread_worker+0x5b/0x5b
[13192.954278] [<ffffffff814edbb0>] ? gs_change+0x13/0x13
[13192.954911] ---[ end trace 9763213b95bbd803 ]---
Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Acked-by: Neil Horman <nhorman@tuxdriver.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>
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Remove lport from net device and then do synchronize net device to flush
inflight rx frames for the lport before doing fcoe_percpu_clean.
In case of master lport, remove all rx packet handlers completely and
then only do fcoe_percpu_clean. This required splitting fcoe_interface_cleanup
to do remove part separately and for that added func fcoe_interface_remove
and then call it from fcoe_if_destory before doing fcoe_percpu_clean.
However if fcoe_interface_remove() is already called then
don't call again from fcoe_interface_cleanup() to preserve its
existing flows.
This patch along with Neil's other patch to avoid soft irq context
on ingress will avoid passing up frames on disabled lport as
discussed in this mail thread:-
http://lists.open-fcoe.org/pipermail/devel/2012-February/011947.html
Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Acked-by: Neil Horman <nhorman@tuxdriver.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>
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While interpreting the result of UTP task completion status,
by using boolean &&, the evaluation would fail when the
UPIU_TASK_MANAGEMENT_FUNC_SUCCEEDED was received.
Either UPIU_TASK_MANAGEMENT_FUNC_COMPL or
UPIU_TASK_MANAGEMENT_FUNC_SUCCEEDED should be
considered as a success result.
Reported-by: Joe Perches <joe@perches.com>
Signed-off-by: Venkatraman S <svenkatr@ti.com>
Reviewed-by: Namjae Jeon <linkinjeon@gmail.com>
Acked-by: Santosh Y <santoshsy@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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When scsi_add_host fails the scsi_host_put should be called.
Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Acked-by: "Nandigama, Nagalakshmi" <Nagalakshmi.Nandigama@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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When a rport is added back or the role is changed the fc class
will queue a scan and then call scsi_target_unblock. The problem
with this is if the devices are in the SDEV_OFFLINE state and
the scan is run before the scsi_target_unblock, then the scan
will see LUN0 as offline and the scan will fail. This patch moves
the unblock call to before the scan, so we know the device state
will be set correctly when the scan is run.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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There is a memory leak in the st driver when sending large enough reads or
writes using st's direct I/O path. As part of mapping the application's
memory, a buffer to hold page pointers is allocated and the count of mapped
pages is stored in field do_dio. A non-zero do_dio marks that direct I/O is
in use.
But do_dio is only 1 byte in size. Mapping 256 4k pages overflows
do_dio and causes it to be set to 0, like direct I/O option was not
used. When the I/O completes, the buffer to hold the page pointers is
not freed, and the page counts of the mapped pages are not reduced.
Every I/O of this size then leaks memory.
The size of do_dio needs to be increased to prevent it wrapping around.
Signed-off-by: David Jeffery <djeffery@redhat.com>
Acked-by: Kai Mäkisara <kai.makisara@kolumbus.fi>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Made changes to have the same logging level for Logical port
online and offline events, to display these events in pairs.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Make changes to remove unsupported model numbers from the sysfs
model description routine.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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response.
Made changes to avoid queuing the vport delete work to IM driver
work queue in the bfa_fcb_lport_delete() - since at this stage we
are not completely done with using the vport structure as we are
still waiting for the LOGO response from the fw in online state or
just doing some cleanup. Since queuing up the vport delete work at
this stage will result in the FC transport layer to clean up the vport
before we get the response from firmware.
Made changes to queue the port delete work to the IM driver work queue -
from the bfa_fcs_vport_free() function since at this state we are done
with using the vport data structure and the FCS state machine is completely
cleaned up.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Hyper-V cannot process some commands like ATA_12 and ATA_16. It also returns a
very generic error when this happens (SRB_STATUS_ERROR). Most of the time we
treat SRB_STATUS_ERROR as DID_TARGET_FAILURE which causes error handler retry,
but in the case of pass through commands, they'll never succeed (and the error
handler will offline the device), so put a discriminating block in the command
completion routing and send the SRB_STATUS_ERROR upwards with DID_PASSTHROUGH
for commands we know should not be retried.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Implement ISCSI_HOST_PARAM_PORT_STATE and ISCSI_HOST_PARAM_PORT_SPEED
to get the Adapter port state and port name
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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This patch allows iscsiadm to set/ delete static IP and enable /disable
DHCP.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Implement the ISCSI_HOST_PARAM_INITIATOR_NAME for .get_host_param
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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The async handle corresponding to unknown Opcode was not freed
earlier. This code does the fix for that.
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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For each ASYNC PDU received there is an HDR and DATA handle for it.
There will be only 1 HDR ASYNC Handle, but DATA Handle can be more
than 1 for each ASYNC PDU received. Checking if the ASYNC Handle
correspongs to HDR or DATA while returning the Handle to the free list.
hwi_free_async_msg just return the handles to the free list. No return
values are needed so changing the return type to void.
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Signed-off-by: Minh Tran <MinhDuc.Tran@Emulex.Com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Change MODULE_AUTHOR, driver name and other external print strings from
Serverengines to Emulex.
Signed-off-by: Minh Tran <MinhDuc.Tran@Emulex.Com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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In case of MCC_Q creation failed, the MCCQ info memory is freed
from be_mcc_queues_destroy and be_mcc_queues_create. This caused
kernel to panic because of double free.
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Signed-off-by: Minh Tran <MinhDuc.Tran@Emulex.Com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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The WRB and SGL Handle allocated for Login task were not freed
back to the pool after the login process was done. This code
releases the WRB and SGL Handle after the login process.
v2:
- Fix up locking so bh calls are not done when not needed.
- Make beiscsi_cleanup_task static.
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
[various fixes]
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Removing code duplication during the WRB_Handle and WRB
initialization.
Added memory allocation failure handling code during WRB
initialization.
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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The buffer length passed for processing the ASYNC PDU
was not proper.
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Set the ASYNC PDU Handle pBuffer for Data ring with the VA/PA
of the allocated memory for it.
To get the correct ASYNC PDY Handle iterate the list and compare
the PA set during initialization with the passed PHY Address.
The buffer_size and num_enteries are common for HDR and Data ring
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Use check_signature to find a signature in the mmio address.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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The patch 116046127d1a3bad2853d02781ad9fee33f05e5a "[SCSI] aacraid: Added
Sync.mode to support series 7/8/9 controllers" removed an iounmap call from
aac_src_ioremap. Before that, the iounmap has been called twice with the same
value (dev->base and dev->regs.src.bar0) and the iounmap complained about it
(iounmap: bad address ...).
The proper solution is a change the paremeter from bar0 to bar1.
Fix this by adding a an iounmap(dev->regs.src.bar1) call.
Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Acked-by: Achim Leubner <achim_leubner@pmc-sierra.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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This patch optimizes the set target port group(STPG) command. During our
testing, we found that it is not optimal to send stpg command every time
the path group switch happens. This patch uses PREF (preferred target port)
bit with combination of flags passed by multipath user level tool to
optimize this behaviour. If PREF bit is set then it issues a STPG command,
otherwise it will let implicit transfer take place.
By default there is no change in the behaviour. User tool needs to pass the
parameter to make this change take effect. Patch has been tested on NetApp
E series storage.
Signed-off-by: Babu Moger <babu.moger@netapp.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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PREF bit indicates preferred target port group for accessing a logical
unit. This bit is used to optimize the STPG command handling.
Signed-off-by: Babu Moger <babu.moger@netapp.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Handler expects only one parameter to set the flag ALUA_OPTIMIZE_STPG.
This flag is used to optimize the STPG behaviour. There is no change in
behaviour by default.
For example, to set the flag pass the following parameters from multipath.conf
hardware_handler "2 alua 1"
Signed-off-by: Babu Moger <babu.moger@netapp.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Signed-off-by: Roland Dreier <roland@purestorage.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Acked-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Signed-off-by: Nagalakshmi Nandigama <nagalakshmi.nandigama@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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The ioc->pfacts member in the IOC structure is getting set to zero
following a call to _base_get_ioc_facts due to the memset in that routine.
So if the ioc->pfacts was read after a host reset, there would be a NULL
pointer dereference. The routine _base_get_ioc_facts is called from context
of host reset. The problem in _base_get_ioc_facts is the size of
Mpi2IOCFactsReply is 64, whereas the sizeof "struct mpt2sas_facts" is 60,
so there is a four byte overflow resulting from the memset.
Also, there is memset in _base_get_port_facts using the incorrect structure,
it should be "struct mpt2sas_port_facts" instead of Mpi2PortFactsReply.
Signed-off-by: Nagalakshmi Nandigama <nagalakshmi.nandigama@lsi.com>
CC: stable@vger.kernel.org
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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simultaneously another hard drive is hot unplugged
Following the host reset, the firmware discovery is reassigning another hard
drive in the topology to the same device handle as that device is getting hot
removed. Until the driver device removal routine is called, there will be two
hard drive with the matching device handle in the internal device link
list. In the device removal routine, a separate function which moves the
device from BLOCKED into OFFLINE state. Since this routine is passed with the
device handle passed as input parameter, the routine will be traversing the
internal device link list searching for matching device handle. This results
in two devices with matching device handle, therefore both devices goes
OFFLINE.
To fix this issue,the input parameter is changed from device handle to SAS
address, therefore only the device that is hot unplugged will be placed in
OFFLINE state.
Signed-off-by: Nagalakshmi Nandigama <nagalakshmi.nandigama@lsi.com>
Cc: stable@vger.kernel.org
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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of the parent device it is linked to
The phy_identifier inside the routine _transport_set_identify()
is set to sas_device_page_zero->PhyNum. This returns the
phy number of the parent device this device is linked to.
Signed-off-by: Nagalakshmi Nandigama <nagalakshmi.nandigama@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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iounit page 0 instead of page 1
The port number is changing after disabling/enabling phys using the SysFS
interface This is because the firmware behavour changed where it would read
the the port number then set it to some different value even though Auto Port
Config is turned on. With this change of behavour in FW, it is possible that
the expanders are moved from one port to another after disabling /enabling
phys. This is occuring because the port number in sas iounit page 1 is not
matching up to the current port in page 0. In order to fix this the driver is
modified to read the current port number from sas iounit page 0 instead of
page 1. Also copy the port and phy flags over from page 0 to page 1.
Signed-off-by: Nagalakshmi Nandigama <nagalakshmi.nandigama@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Fix several endian issues found by runing sparse.
Signed-off-by: Nagalakshmi Nandigama <nagalakshmi.nandigama@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Modified the source code as per the findings reported by the source
code analysis tool. Source code for the following functionalities
has been touched. None of the driver functionalities has changed.
- SMP Passthrough IOCTL
- Debug messages for MPT Replies (i.e. bit 9 of Logging Level)
- Task Management using sysfs
- Device removal, i.e. when a target device (including any PD within a volume)
is removed, and Volume Deletion.
- Trace Buffer
Signed-off-by: Nagalakshmi Nandigama <nagalakshmi.nandigama@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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raid_device, and expander_device lists
There were possible race conditions surrounding reading an object
from the link list while from another context in the driver was
removing it. The nature of this enhancement is to rearrange locking
so the link lists are better protected.
Change set:
(1) numerous routines were rearranged so spin locks are held through
the entire time a link list object is being read from or written to.
(2) added new routines for object deletion from link list. Thus ensuring
lock was held during the deletion of the link list object, then and memory
for object freed outside the lock. The memory was freed outside the lock
so driver had access to device object info which was required for
notifying the scsi mid layer that a device was getting deleted.
(3) added the ioc->blocking_handles parameter. This is a bitmask used
to identify which devices need blocking when there is device loss. This was
introduced so that lock can be held for the entire time traversing the link
list objects, and the bitmask was set to indicate which device handles need
blocking. Oustide the lock the ioc->blocking_handles bitmask is traversed,
with the respective device handle the scsi mid layer is called for moving
devices into blocking state.
Signed-off-by: Nagalakshmi Nandigama <nagalakshmi.nandigama@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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SATA_PASSTHROUGH cmd timeout happens
Signed-off-by: Nagalakshmi Nandigama <nagalakshmi.nandigama@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Added support for Block IO requests with multiple segments (vectors) in
the SMP handler of the SAS Transport Class. This is required by the
BSG driver. Multisegment support added for both, Request and Response.
Signed-off-by: Nagalakshmi Nandigama <nagalakshmi.nandigama@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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When the lock_kernel and unlock_kernel routines were removed in the
2.6.39 kernel, a global mutex was added on top of the existing mutex
which already existed. With this implementation, only one IOCTL
will be active at any time no matter how many ever controllers
are present. This causes poor performance.
Removed the global mutex so that the driver can work with the existing
semaphore that was already part of the existing code.
Signed-off-by: Nagalakshmi Nandigama <nagalakshmi.nandigama@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Changeset in MPI headers:
1) Bumped MPI2_HEADER_VERSION_UNIT
2) Added 4K sectors supported bit to CapabilitiesFlags field of IOC Page 6.
3) Added UEFIVersion field to BIOS Page 1 and defined additional
BiosOptions bits to control UEFI behavior.
Signed-off-by: Nagalakshmi Nandigama <nagalakshmi.nandigama@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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The following patch for megaraid_sas updates the driver version to
v00.00.06.15-rc1, and updates Documentation/scsi/ChangeLog.megaraid_sas.
Signed-off-by: Adam Radford <aradford@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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The following patch for megaraid_sas fixes the fastpath code decision
logic to use fpRead/WriteCapable, fpRead/WriteAcrossStripe flags
instead of the old logic. This fixes a bug where fastpath writes
could be sent to a read only LD.
Signed-off-by: Adam Radford <aradford@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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The following patch for megaraid_sas removes an incorrect comment and
optimizes the setting of HostMSIxVectors. This was found during a
code review by Tomas Henzl @ RedHat.
Signed-off-by: Adam Radford <aradford@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Data type of the 'tag' field of 'fw_flash_Update_resp' should be __le32.
Data type of 'pHeader' should be __le32. Remove 2nd cast to 'piomb'.
Signed-off-by: Santosh Nayak <santoshprasadnayak@gmail.com>
Acked-by: Jack Wang <jack_wang@usish.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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