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2013-08-04SCSI: qla2xxx: Properly set the tagging for commands.Saurav Kashyap1-2/+9
commit c3ccb1d7cf4c4549151876dd37c0944a682fd9e1 upstream. This fixes a regression where Xyratex controllers and disks were lost by the driver: https://bugzilla.kernel.org/show_bug.cgi?id=59601 Reported-by: Jack Hill <jackhill@jackhill.us> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-27Merge tag 'fcoe1' into fixesJames Bottomley1-2/+6
This patch fixes a critical bug that was introduced in 3.9 related to VLAN tagging FCoE frames.
2013-06-14tcm_qla2xxx: Fix residual for underrun commands that failRoland Dreier1-1/+5
Suppose an initiator sends a DATA IN command with an allocation length shorter than the FC transfer length -- we get a target message like TARGET_CORE[qla2xxx]: Expected Transfer Length: 256 does not match SCSI CDB Length: 0 for SAM Opcode: 0x12 In that case, the target core adjusts the data_length and sets se_cmd->residual_count for the underrun. But now suppose that command fails and we end up in tcm_qla2xxx_queue_status() -- that function unconditionally overwrites residual_count with the already adjusted data_length, and the initiator will burp with a message like qla2xxx [0000:00:06.0]-301d:0: Dropped frame(s) detected (0x100 of 0x100 bytes). Fix this by adding on to the existing underflow residual count instead. Signed-off-by: Roland Dreier <roland@purestorage.com> Cc: Giridhar Malavali <giridhar.malavali@qlogic.com> Cc: Chad Dupuis <chad.dupuis@qlogic.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2013-05-21target: Remove unused wait_for_tasks bit in target_wait_for_sess_cmdsJoern Engel1-1/+1
Drop unused transport_wait_for_tasks() check in target_wait_for_sess_cmds shutdown code, and convert tcm_qla2xxx + ib_srpt fabric drivers. Cc: Joern Engel <joern@logfs.org> Cc: Roland Dreier <roland@kernel.org> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2013-05-12[SCSI] qla2xxx: Fix for locking issue between driver ISR and mailbox routinesgurinder.shergill@hp.com5-49/+27
The driver uses ha->mbx_cmd_flags variable to pass information between its ISR and mailbox routines, however, it does so without the protection of any locks. Under certain conditions, this can lead to multiple mailbox command completions being signaled, which, in turn, leads to a false mailbox timeout error for the subsequently issued mailbox command. The issue occurs frequently but intermittenly with the Qlogic 8GFC mezz card during card initialization, resulting in card initialization failure. Signed-off-by: Gurinder (Sunny) Shergill <gurinder.shergill@hp.com> Acked-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-05-10Merge branch 'misc' into for-linusJames Bottomley3-6/+6
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-05-10[SCSI] qla2xxx: Update firmware link in Kconfig file.Chad Dupuis1-1/+3
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-05-03[SCSI] qla2xxx: qla2x00_sp_compl can be static.Fengguang Wu1-1/+1
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-05-03[SCSI] qla2xxx: fix sparse warning "large integer implicitly truncated to ↵Armen Baloyan1-4/+2
unsigned type" Found by 0 day test project Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Armen Baloyan <armen.baloyan@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-05-02Merge branch 'for-linus' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 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 ...
2013-05-01Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds17-107/+4803
Pull first round of SCSI updates from James "Jej B" Bottomley: "The patch set is mostly driver updates (qla4, qla2 [ISF support updates], lpfc, aacraid [dual firmware image support]) and a few bug fixes" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (47 commits) [SCSI] iscsi_tcp: support PF_MEMALLOC/__GFP_MEMALLOC [SCSI] libiscsi: avoid unnecessary multiple NULL assignments [SCSI] qla4xxx: Update driver version to 5.03.00-k8 [SCSI] qla4xxx: Added print statements to display AENs [SCSI] qla4xxx: Use correct value for max flash node entries [SCSI] qla4xxx: Restrict logout from boot target session using session id [SCSI] qla4xxx: Use correct flash ddb offset for ISP40XX [SCSI] isci: add CONFIG_PM_SLEEP to suspend/resume functions [SCSI] scsi_dh_alua: Add module parameter to allow failover to non preferred path without STPG [SCSI] qla2xxx: Update the driver version to 8.05.00.03-k. [SCSI] qla2xxx: Obtain loopback iteration count from bsg request. [SCSI] qla2xxx: Add clarifying printk to thermal access fail cases. [SCSI] qla2xxx: Remove duplicated include form qla_isr.c [SCSI] qla2xxx: Enhancements to support ISPFx00. [SCSI] qla4xxx: Update driver version to 5.03.00-k7 [SCSI] qla4xxx: Replace dev type macros with generic portal type macros [SCSI] scsi_transport_iscsi: Declare portal type string macros for generic use [SCSI] qla4xxx: Add flash node mgmt support [SCSI] libiscsi: export function iscsi_switch_str_param [SCSI] scsi_transport_iscsi: Add flash node mgmt support ...
2013-05-01Merge branch 'for-next-merge' of ↵Linus Torvalds2-20/+0
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending Pull SCSI target update from Nicholas Bellinger: "The highlights this round include: - Add fileio support for WRITE_SAME w/ UNMAP=1 discard (asias) - Add fileio support for UNMAP discard (asias) - Add tcm_vhost hotplug support to work with upstream QEMU vhost-scsi-pci code (asias + mst) - Check for aborted sequence in tcm_fc response path (mdr) - Add initial iscsit_transport support into iscsi-target code (nab) - Refactor iscsi-target RX PDU logic + export request PDU handling (nab) - Refactor iscsi-target TX queue logic + export response PDU creation (nab) - Add new iSCSI Extentions for RDMA (ISER) target driver (Or + nab) The biggest changes revolve around iscsi-target refactoring in order to support the iser-target driver. This includes the conversion of the iscsi-target data-path to use modern se_cmd->cmd_kref counting, and allowing transport independent aspects of RX/TX PDU request/response handling be shared across existing traditional iscsi-target code, and the new iser-target code. Thanks to Or Gerlitz + Mellanox for supporting the iser-target development effort!" * 'for-next-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (25 commits) iser-target: Add iSCSI Extensions for RDMA (iSER) target driver tcm_vhost: Enable VIRTIO_SCSI_F_HOTPLUG tcm_vhost: Add ioctl to get and set events missed flag tcm_vhost: Add hotplug/hotunplug support tcm_vhost: Refactor the lock nesting rule tcm_fc: Check for aborted sequence iscsi-target: Add iser network portal attribute iscsi-target: Refactor TX queue logic + export response PDU creation iscsi-target: Refactor RX PDU logic + export request PDU handling iscsi-target: Add per transport iscsi_cmd alloc/free iscsi-target: Add iser-target parameter keys + setup during login iscsi-target: Initial traditional TCP conversion to iscsit_transport iscsi-target: Add iscsit_transport API template target: Add export of target_get_sess_cmd symbol target: Change default sense key of NOT_READY target/file: Set is_nonrot attribute target: Add sbc_execute_unmap() helper target/iblock: Add iblock_do_unmap() helper target/file: Add fd_do_unmap() helper target/file: Add UNMAP emulation support ...
2013-04-25qla2xxx: Remove unused functionJörn Engel2-20/+0
It was already unused when first introduced in 2d70c103. Signed-off-by: Joern Engel <joern@logfs.org> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2013-04-12[SCSI] qla2xxx: Update the driver version to 8.05.00.03-k.Saurav Kashyap1-2/+2
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-12[SCSI] qla2xxx: Obtain loopback iteration count from bsg request.Joe Carnuccio3-3/+5
qla2x00_loopback_test() was hard setting the loopback iteration count to 1 rather than obtaining it from the bsg request. Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-12[SCSI] qla2xxx: Add clarifying printk to thermal access fail cases.Joe Carnuccio1-2/+3
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-12[SCSI] qla2xxx: Remove duplicated include form qla_isr.cWei Yongjun1-2/+0
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-12[SCSI] qla2xxx: Enhancements to support ISPFx00.Giridhar Malavali15-98/+4793
[jejb: fix up checkpatch issues] Signed-off-by: Andrew Vazquez <andrew.vasquez@qlogic.com> Signed-off-by: Armen Baloyan <armen.baloyan@qlogic.com> Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-09constify a bunch of struct file_operations instancesAl Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-04-06[SCSI] qla2xxx: Update the driver version to 8.04.00.13-k.Saurav Kashyap1-1/+1
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-06[SCSI] qla2xxx: Remove debug code that msleeps for random duration.Saurav Kashyap1-5/+0
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-06[SCSI] qla2xxx: Fix crash during firmware dump procedure.Arun Easi2-2/+2
System crashes, in initiator mode operation, with qla2xxx_copy_atioqueues() in stack trace when firmware dump is attempted. Check for atio_q_length alone does not indicate if atio_ring is allocated, make explicit check of atio_ring to avoid the crash. Applicable to ISP24xx, ISP25xx, ISP81xx & ISP83xx line of HBAs. Signed-off-by: Arun Easi <arun.easi@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-06[SCSI] Revert "qla2xxx: Add setting of driver version string for vendor ↵Joe Carnuccio5-64/+1
application." The original patch was not covering all the adapters and firmwares. This commit reverts 3a11711ad00caebee07e262d188cea66f3473c38. Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Wait for IDC complete event to finish loopback operation.Chad Dupuis4-10/+39
Wait for the IDC complete AEN before returning the loopback operation back to the application to make sure the port is put back into normal operations. Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Integrate generic card temperature with mezz card temperature.Joe Carnuccio6-40/+86
Give priority to I2C thermal. Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Don't process state change aen for reset owner.Saurav Kashyap1-0/+2
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Don't process RSCNs for a vport on the same physical adapter.Chad Dupuis3-18/+33
Currently,the driver is processes RSCNs for each new NPIV ports that is created. Processing the RSCN includes a name server query to see what has changed at the name server side. The name server query is performed by the physical port and each virtual port on the physical adapter (since the RSCN is passed to each virtual port for processing). As the number of virtual ports being created increases, this causes a lot of traffic and busies the firmware. Processing the RSCN for a virtual port we already have a priori knowledge of is not necessary so check the 24-bit fabric ID of the RSCN entry and skip processing it if the RSCN is for a virtual port we already know about. Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Add setting of driver version string for vendor application.Joe Carnuccio5-1/+66
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Correction of comment in MBC opcode defines.Joe Carnuccio1-2/+2
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Correct list-iteration bug in Report-ID Acquisition codes.Andrew Vasquez1-3/+8
Code in qla24xx_report_id_acquisition() incorrectly assumed that upon completion of list iteration (with no match), the 'pos' (vp) variable passed to list_for_each_entry() would be set to NULL. In this context, if the firmware were to return an unrecognized vp_idx, the follow-on assignments to vp-members could result in corruption of the structure. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] Revert "[SCSI] qla2xxx: Optimize existing port name server query ↵Joe Carnuccio2-8/+9
matching." This reverts commit c0822b63ccbf3b019059f384c290b080cae859f1. Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] Revert "[SCSI] qla2xxx: Avoid losing any fc ports when loop id's are ↵Joe Carnuccio1-20/+63
exhausted." This reverts commit 4dc77c36f86c2dc4e3f483146d33b64d12c0da3f. Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: silence two GCC warnings.Paul Bolle2-4/+5
Compiling qla_gs.o (part of the qla2xxx module) triggers two GCC warnings: drivers/scsi/qla2xxx/qla_gs.c: In function ‘qla2x00_fdmi_rhba’: drivers/scsi/qla2xxx/qla_gs.c:1339:7: warning: array subscript is above array bounds [-Warray-bounds] drivers/scsi/qla2xxx/qla_gs.c: In function ‘qla2x00_fdmi_register’: drivers/scsi/qla2xxx/qla_gs.c:1663:15: warning: array subscript is above array bounds [-Warray-bounds] It seems that the sequence of a strcpy followed by a strlen confuses GCC when it is keeping track of array bounds here. (It is not clear to me which array triggers this warning and by how much GCC thinks the subscript is above its bounds. Neither is it clear to me why comparable code in these two functions doesn't trigger this warning.) An easy way to silence these warnings is to use preprocessor macros and strncpy, as that apparently gives GCC enough information to keep track of array bounds. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Update the copyright information.Saurav Kashyap21-21/+21
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Display the lock owner on lock acquire failure.Saurav Kashyap3-3/+16
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Move loopback mode reset after chip reset check.Chad Dupuis1-19/+20
If we need to do a chip reset because of a serious loopback error don't try to reset the loopback mode on the port as the mailbox command will timeout. Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Extra loopback error handling for ISP83xx.Chad Dupuis2-56/+87
Add the following error handling for loopback diagnostic mode with ISP83xx: 1. If we do not receive an MBA_DCBX_COMPLETE after our initial set port configuration command, try to reset the port back into normal operation. If that fails, take a FCoE dump and then reset the chip. 2. After completing the loopback diagnostic operation, if the reset of the port back into normal operation fails then reset the port so we take a FCoE dump and then reset the chip. 3. When we receive an IDC notification and the requested operation is loopback extend the loop down timer so the link does not appear to down for an extended period of time. [jejb: fix checkpatch issue] Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Unload hangs after issuing BSG commands to vport.Chad Dupuis4-10/+15
BSG code path increments ref count in the send path, but does not decrement in the return path leading to hang during unload of the driver. Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Do MPI reset only for ISP81xx.Saurav Kashyap1-4/+6
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Do link initialization on get loop id failure.Joe Carnuccio5-1/+61
To avoid continually doing ISP resets when get loop id fails to obtain the adapter loop id, first try to do a link initialization. Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Update the FTP site references in the driver sources.Giridhar Malavali1-1/+1
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Reject loopback request if one is already in progress.Chad Dupuis2-1/+9
If another function on the port has initiated a loopback operation do not process the current request. Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Print thermal unsupported message.Joe Carnuccio2-1/+5
When the Read SFP mailbox command fails on the thermal device, print a message explaining that thermal is not supported. Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Avoid null pointer dereference in shutdown routine.Masanari Iida1-0/+3
Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Get VPD information from common location for CNA.Saurav Kashyap3-17/+3
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Correct race in loop_state assignment during reset handling.Andrew Vasquez1-3/+3
There's a subtle race in the loop/bus-reset handling whereby a VHA's loop-state can get incorrectly set to 'down' after the loop-reset and firmware's completion of link re-negotiation. The original code incorrectly assumes that firmware AENs would arrive only after mailbox-command execution to initiate the link-flap. Here's a good case with the old code (AENs arrive after mailbox-command completion): qla2xxx [0000:03:00.1]-8012:91: BUS RESET ISSUED nexus=91:0:4. qla2xxx [0000:03:00.1]-287d:91: FCPort state transitioned from ONLINE to LOST - portid=010100. qla2xxx [0000:03:00.1]-580e:91: Asynchronous P2P MODE received. qla2xxx [0000:03:00.1]-287d:91: FCPort state transitioned from ONLINE to LOST - portid=010400. qla2xxx [0000:03:00.1]-802b:91: BUS RESET SUCCEEDED nexus=91:0:4. qla2xxx [0000:03:00.1]-480b:91: Reset marker scheduled. qla2xxx [0000:03:00.1]-5812:91: Port database changed ffff 0006 0000. qla2xxx [0000:03:00.1]-505f:91: Link is operational (4 Gbps). qla2xxx [0000:03:00.1]-480c:91: Reset marker end. qla2xxx [0000:03:00.1]-480f:91: Loop resync scheduled. qla2xxx [0000:03:00.1]-8837:91: F/W Ready - OK. qla2xxx [0000:03:00.1]-883a:91: fw_state=3 (7, 0, 0, 0) curr time=170b8f315. qla2xxx [0000:03:00.1]-280e:91: HBA in F P2P topology. qla2xxx [0000:03:00.1]-2812:91: qla2x00_configure_hba success qla2xxx [0000:03:00.1]-2814:91: Configure loop -- dpc flags = 0x5260. notice how the 'Port database changed' (8014) arrived after the bus-reset handler completed 'BUS RESET SUCCEEDED'. Now, here's a failing case with the old code (AENs arrive before mailbox-command completion): qla2xxx [0000:03:00.1]-8012:91: BUS RESET ISSUED nexus=91:0:0. qla2xxx [0000:03:00.1]-580e:91: Asynchronous P2P MODE received. qla2xxx [0000:03:00.1]-287d:91: FCPort state transitioned from ONLINE to LOST - portid=010100. qla2xxx [0000:03:00.1]-287d:91: FCPort state transitioned from ONLINE to LOST - portid=010400. qla2xxx [0000:03:00.1]-4800:91: DPC handler sleeping. qla2xxx [0000:03:00.1]-5812:91: Port database changed ffff 0006 0000. qla2xxx [0000:03:00.1]-505f:91: Link is operational (4 Gbps). qla2xxx [0000:03:00.1]-802b:91: BUS RESET SUCCEEDED nexus=91:0:0. qla2xxx [0000:03:00.1]-480b:91: Reset marker scheduled. qla2xxx [0000:03:00.1]-480c:91: Reset marker end. qla2xxx [0000:03:00.1]-480f:91: Loop resync scheduled. qla2xxx [0000:03:00.1]-8837:91: F/W Ready - OK. qla2xxx [0000:03:00.1]-883a:91: fw_state=3 (7, 0, 0, 0) curr time=170be9eb2. qla2xxx [0000:03:00.1]-280e:91: HBA in F P2P topology. qla2xxx [0000:03:00.1]-2812:91: qla2x00_configure_hba success qla2xxx [0000:03:00.1]-2814:91: Configure loop -- dpc flags = 0x5260. qla2xxx [0000:03:00.1]-281e:91: Needs RSCN update and loop transition. qla2xxx [0000:03:00.1]-286a:91: qla2x00_configure_loop *** FAILED ***. qla2xxx [0000:03:00.1]-4810:91: Loop resync end. qla2xxx [0000:03:00.1]-4800:91: DPC handler sleeping. This race would ultimately lead to devices go unexpectedly offline until another link-flap or chip-reset would cause driver re-discovery to take place. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Correction to the message ids.Saurav Kashyap1-0/+1
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Prevent enabling target mode for unsupported HBAs.Arun Easi3-1/+8
Signed-off-by: Arun Easi <arun.easi@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Allow ISP81xx to create ATIO queues.Arun Easi1-0/+1
Signed-off-by: Arun Easi <arun.easi@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-02-22[SCSI] qla2xxx: Enable target mode support for ISP83xx.Arun Easi8-25/+187
Signed-off-by: Arun Easi <arun.easi@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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