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Signed-off-by: Sawan Chandak <sawan.chandak@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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If we fail to load one of the segments of firmware fail the operation
instead of trying to continue which will lead to a system crash since
the pointers to the next segment will not be updated correctly.
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Disable the PCI device during shutdown to prevent any races with
other PCI code such as the AER handling code.
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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For FA-WWPN capable device, ISP2031 and ISP27XX, when loop
dead is detected by a driver, restore WWPN from NVRAM.
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Parse the retry delay timer field from the FCP response data and if:
- It is not zero
- The SCSI status is busy or queue full
return SCSI_MLQUEUE_TARGET_BUSY for the number of milliseconds specified
in the retry delay timer field.
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Alex Vechersky <alex.vechersky@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Nigel Kirkland <nigel.kirkland@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Nameserver data on FC switch is not refreshed when
qla2xxx driver is unloaded. Disabling laser for
ISP2031 will force FC switch to rescan ports and
clear fdmi entries from Nameserver.
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Declaration error of mb array in qla2x00_iidma_fcport cause data
to be written beyond the array. This ends up causing stack corruption.
Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Sawan Chandak <sawan.chandak@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Arun Easi <arun.easi@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Add support for the D-port (diagnostic port) fabric switch feature.
(Fabric Switch initiates loopback style port testing)
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Add support for the FA-WWN (fabric assigned wwn) fabric switch feature.
(Fabric Assigned World Wide Port Name)
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Add support for the FDMI-2 fabric switch feature.
Since FDMI-2 uses code from FDMI-1, some of the existing code
needed to be repaired to prevent fields from being overflowed.
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Jan Kulich <jan.kulich@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Semaphore register does not exist for ISPFx00.
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Call scnprintf() instead of snprintf() since the latter may return
an incorrect count in cases where the write is truncated to fit.
scnprintf() returns the count of what was actually written;
snprintf() returns the count of what would have been written.
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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When creating request/response queues from qla25xx_setup_mode(),
the shadow index register pointers were not being initialized
to point at the registers.
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Since the entry call array is sorted in order of entry type opcode,
the search can be terminated as soon as the search key is exceeded.
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Add a call to pci_set_master(...) missing in the previous
patch "hpsa: refine the pci enable/disable handling".
Found thanks to Rob Elliot.
Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Robert Elliott <elliott@hp.com>
Tested-by: Robert Elliott <elliott@hp.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Ching Huang <ching 2048@areca.com.tw>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Failing Device information are logged when IOA firmware detected these
illegal request such as IOA firmware doesn't support inquiry with page
code 2. The patch fixes the issue.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Tested-by: Wen Xiong <wenxiong@linux.vnet.ibm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Move PCI_VENDOR_ID_VMWARE from device-specific files to pci_ids.h.
It is useful to always have access to it, especially when accessing
subsystem_vendor_id on emulated devices.
[bhelgaas: keep pci_ids.h sorted and use lower-case hex]
Signed-off-by: Francesco Ruggeri <fruggeri@arista.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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This function is only called with a spin_lock held and IRQs disabled.
The allocation is not allowed to sleep and NOIO is not sufficient, it
has to be ATOMIC.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
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Introduces the Xen pvSCSI frontend. With pvSCSI it is possible for a
Xen domU to issue SCSI commands to a SCSI LUN assigned to that
domU. The SCSI commands are passed to the pvSCSI backend in a driver
domain (usually Dom0) which is owner of the physical device. This
allows e.g. to use SCSI tape drives in a Xen domU.
The code is taken from the pvSCSI implementation in Xen done by
Fujitsu based on Linux kernel 2.6.18.
Changes from the original version are:
- port to upstream kernel
- put all code in just one source file
- move module to appropriate location in kernel tree
- adapt to Linux style guide
- some minor code simplifications
- replace constants with defines
- remove not used defines
- add support for larger SG lists by putting them in a granted page
Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
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Pull networking fixes from David Miller:
1) If the user gives us a msg_namelen of 0, don't try to interpret
anything pointed to by msg_name. From Ani Sinha.
2) Fix some bnx2i/bnx2fc randconfig compilation errors.
The gist of the issue is that we firstly have drivers that span both
SCSI and networking. And at the top of that chain of dependencies
we have things like SCSI_FC_ATTRS and SCSI_NETLINK which are
selected.
But since select is a sledgehammer and ignores dependencies,
everything to select's SCSI_FC_ATTRS and/or SCSI_NETLINK has to also
explicitly select their dependencies and so on and so forth.
Generally speaking 'select' is supposed to only be used for child
nodes, those which have no dependencies of their own. And this
whole chain of dependencies in the scsi layer violates that rather
strongly.
So just make SCSI_NETLINK depend upon it's dependencies, and so on
and so forth for the things selecting it (either directly or
indirectly).
From Anish Bhatt and Randy Dunlap.
3) Fix generation of blackhole routes in IPSEC, from Steffen Klassert.
4) Actually notice netdev feature changes in rtl_open() code, from
Hayes Wang.
5) Fix divide by zero in bond enslaving, from Nikolay Aleksandrov.
6) Missing memory barrier in sunvnet driver, from David Stevens.
7) Don't leave anycast addresses around when ipv6 interface is
destroyed, from Sabrina Dubroca.
8) Don't call efx_{arch}_filter_sync_rx_mode before addr_list_lock is
initialized in SFC driver, from Edward Cree.
9) Fix missing DMA error checking in 3c59x, from Neal Horman.
10) Openvswitch doesn't emit OVS_FLOW_CMD_NEW notifications accidently,
fix from Samuel Gauthier.
11) pch_gbe needs to select NET_PTP_CLASSIFY otherwise we can get a
build error.
12) Fix macvlan regression wherein we stopped emitting
broadcast/multicast frames over software devices. From Nicolas
Dichtel.
13) Fix infiniband bug due to unintended overflow of skb->cb[], from
Eric Dumazet. And add an assertion so this doesn't happen again.
14) dm9000_parse_dt() should return error pointers, not NULL. From
Tobias Klauser.
15) IP tunneling code uses this_cpu_ptr() in preemptible contexts, fix
from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (87 commits)
net: bcmgenet: call bcmgenet_dma_teardown in bcmgenet_fini_dma
net: bcmgenet: fix TX reclaim accounting for fragments
ipv4: do not use this_cpu_ptr() in preemptible context
dm9000: Return an ERR_PTR() in all error conditions of dm9000_parse_dt()
r8169: fix an if condition
r8152: disable ALDPS
ipoib: validate struct ipoib_cb size
net: sched: shrink struct qdisc_skb_cb to 28 bytes
tg3: Work around HW/FW limitations with vlan encapsulated frames
macvlan: allow to enqueue broadcast pkt on virtual device
pch_gbe: 'select' NET_PTP_CLASSIFY.
scsi: Use 'depends' with LIBFC instead of 'select'.
openvswitch: restore OVS_FLOW_CMD_NEW notifications
genetlink: add function genl_has_listeners()
lib: rhashtable: remove second linux/log2.h inclusion
net: allow macvlans to move to net namespace
3c59x: Fix bad offset spec in skb_frag_dma_map
3c59x: Add dma error checking and recovery
sparc: bpf_jit: fix support for ldx/stx mem and SKF_AD_VLAN_TAG
can: at91_can: add missing prepare and unprepare of the clock
...
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Some ATA drivers need the dma drain size workaround, and thus need to
call blk_mq_start_request before the S/G mapping.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
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Allow blk-mq to pass an argument to the timeout handler to indicate
if we're timing out a reserved or regular command. For many drivers
those need to be handled different.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
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Now that we've changed the driver API on the submission side use the
opportunity to fix up the name on the completion side to fit into the
general scheme.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
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When we call blk_mq_start_request from the core blk-mq code before calling into
->queue_rq there is a racy window where the timeout handler can hit before we've
fully set up the driver specific part of the command.
Move the call to blk_mq_start_request into the driver so the driver can start
the request only once it is fully set up.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
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Pass an explicit parameter for the last request in a batch to ->queue_rq
instead of using a request flag. Besides being a cleaner and non-stateful
interface this is also required for the next patch, which fixes the blk-mq
I/O submission code to not start a time too early.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
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LIBFC depends upon SCSI_FC_ATTRS and select's CRC32C.
The only alternative would be to 'select' CRC32C and all of
SCSI_FC_ATTRS direct and indirect dependencies in the Kconfig section
for every LIBFCOE user which makes little sense.
Subsequently, use 'depends' instead of 'select' for LIBFCOE too.
Signed-off-by: David S. Miller <davem@davemloft.net>
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cxgbi_inet6addr_handler() can be called in interrupt context, so use rcu
protected list while finding netdev
Applies on top of core-for-3.18
Signed-off-by: Anish Bhatt <anish@chelsio.com>
Signed-off-by: Karen Xie <kxie@chelsio.com>
Fixes: fc8d0590d914 ("libcxgbi: Add ipv6 api to driver")
Fixes: 759a0cc5a3e1 ("cxgb4i: Add ipv6 code to driver, call into libcxgbi ipv6
api")
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Get rid of the warning messages since they will clutter up various system logs
and are of questionable value to the end user. For debugging purposes, this
information can be gotten by setting the scsi log level appropriately.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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This patch will fix the below compilation errors on i386 ARCH
drivers/built-in.o: In function `_scsih_qcmd':
mpt2sas_scsih.c:(.text+0x1e7b56): undefined reference to `__udivdi3'
mpt2sas_scsih.c:(.text+0x1e7b8a): undefined reference to `__umoddi3'
Used sector_div() API to fix above compilation errors.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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When ending a bi-directionional SCSI request, blk_finish_request()
cleans up and frees the request, but scsi_release_bidi_buffers() tries
to indirect through the request to find it's data buffers. This causes
a panic due to a null pointer dereference.
Move the call to scsi_release_bidi_buffers() before the call to
blk_finish_request().
Signed-off-by: Daniel Gryniewicz <dang@linuxbox.com>
Reviewed-by: Webb Scales <webbnh@hp.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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