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* [SCSI] libsas: fix sas_queuecommand return valuesChristoph Hellwig2011-08-301-4/+5
| | | | | | | | | | | | | | ->queuecommand must return either 0, or one of the SCSI_MLQUEUE_* return values. Non-transient errors are indicated by setting cmd->result before calling ->scsi_done and returning 0. Fix libsas to adhere to this calling convention. Note that the DID_ERROR for returns from the low-level driver might not be correct for all cases, but it's the best we can do with the current layering in libsas. I also suspect that the pre-existing handling of -SAS_QUEUE_FULL should really be SCSI_MLQUEUE_HOST_BUSY, but I'll leave that for a separate change. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] libsas: reindent sas_queuecommandChristoph Hellwig2011-08-301-43/+38
| | | | | | | Switch sas_queuecommand to a normal indentation and goto based error handling. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] libsas: sas_queuecommand doesnt need host_lockChristoph Hellwig2011-08-301-22/+3
| | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] sd: Use sd_printk() instead of printk()Nao Nishijima2011-08-291-3/+4
| | | | | | | | | | sd_ioctl() still use printk() for log output. It should use sd_printk() instead of printk(), as well as other sd_*. All SCSI messages should output via s*_printk() instead of printk(). Signed-off-by: Nao Nishijima <nao.nishijima.xt@hitachi.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] bnx2fc: Need not schedule destroy_work from __bnx2fc_destroyBhanu Prakash Gollapudi2011-08-291-11/+6
| | | | | | | | Since it is already called in the right context with rtnl_lock and dev_mutex held. Signed-off-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] lpfc 8.3.26: Change driver version to 8.3.26James Smart2011-08-291-1/+1
| | | | | | Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com> Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] lpfc 8.3.26: Fix SYSFS interface issuesJames Smart2011-08-292-17/+28
| | | | | | | | | | | | | | | | | | | | | | | | Fix SYSFS interface issues. - In the lpfc_sli4_pdev_status_reg_wait() routine, after initial 100ms delay following write to PHYSDEV_CONTROL register for the firmware reaction, check the RN bit and ERR bit of the SLIPORT_STATUS register. If none of them became 1, the previous PHYSDEV_CONTROL register should be considered failed due to lack of privilege and error for no permission should be returned immediately without getting into the wait for RDY bits on the SLIPORT_STATUS register. - Remove the driver check on dev->is_physfn before proceed to perform the PHYSDEV_CONTROL register write, and let the PCI function's privilege setting and driver handling of PHYSDEV_CONTROL register write failure to handle the reset-ability through the SLI port. - Added key to ctlreg_write to prevent unauthorized or unexpected write to the control register. - Change return to EACCES for sysfs access that are failed because hba_reset is disabled. Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com> Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] lpfc 8.3.26: Fix HBA initialization issuesJames Smart2011-08-292-27/+35
| | | | | | | | | | | | | | | | | | | | | | | Fix HBA initialization issues - Swap all values that come from the firmware image on little endian systems. Created a new bf_get_be macro that does the same as the bf_get_le macro but for big endian data instead of little endian data. - Moved the incrementing of temp_offset after the copy fixed the write object loop to use temp_offset to figure out where the end of the image is instead of offset. - Added the necessary codes for properly bringing the driver instance offline and then trying to bring the port back online with the PCI function IP reset. If it fails to bring the SLI port back online, it will fall through to bringing the SLI port to HBA error offline. - Add a call in the probe_one_s3 and probe_one_s4 routines to get the Modeldesc - Change OCe50100 to OCe15100 - Made the error log also include the PCI BAR bitmap returned from kernel call pci_select_bars(). Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com> Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] lpfc 8.3.26: Fix issues pertaining to SCSI/FC protocol.James Smart2011-08-294-16/+21
| | | | | | | | | | | | | | | | | | Fix issues pertaining to SCSI/FC protocol. - Allow frames destined to 0xFFFFFE to be processed by the driver by matching that DID with the physical port. - Call lpfc_sli_issue_iocb with context1 set to ndlp - In echo command accept function, adjust memcpy to limit memcpy to 1K - Set LPFC_SLI3_BG_ENABLED properly upon completion. - Skip the INIT_VFI call in lpfc_register_fcf if the FCF is already registered and go immediately to initial flogi. - use "status" variable instead of "ret" variable to hold the return of the fc_block_scsi_eh. Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com> Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] be2iscsi: Add pci_disable deviceJayamohan Kallickal2011-08-291-0/+2
| | | | | | | | | This patch adds call to pci_disable_device during rmmod and shutdown. The lack of this call was causing hang in insmod - rmmod loop test Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] be2iscsi: Adding a shutdown RoutineJayamohan Kallickal2011-08-291-8/+30
| | | | | | | | | | | This patch adds a shutdown routine. It fixes a bug where when be2net and be2iscsi are both used be2iscsi was not cleaning up its resources properly causing be2net to fail to get loaded when the system is rebooted. 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>
* [SCSI] be2iscsi: Fixing the /proc/interrupts problem V3Jayamohan Kallickal2011-08-292-8/+29
| | | | | | | | | | | | | | | | | | | | | | | | | Fix be2iscsi driver to use a separate pointer for each irq action->name field and avoid display corruption in /proc/interrupts. The be2iscsi driver was using a single static array in a function for the irq action->name field. This results in garbage output from /proc/interrupts The pointer for action->name is garbage and scribbles the output on the screen. This patch fixes the problem: 156: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PCI-MSI-X beiscsi_msix_0017 This patch is based on Prarit's patch here: http://www.spinics.net/lists/linux-scsi/msg52325.html but I have fixed up the failure paths and removed redundant check for !i suggested by Eike. 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>
* [SCSI] qla2xxx: Fix "active_mask" may be used uninitialized warning.Chad Dupuis2011-08-291-1/+2
| | | | | | | | | | Since active_mask is first assigned in an "else" block, the compiler throws a warning saying that the active_mask variable may be used uninitialized in a print statement later. Initialize active_mask to 0 in the declaration to stop the warning. Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla2xxx: Issue mailbox command only when firmware hung bit is reset ↵Giridhar Malavali2011-08-293-45/+56
| | | | | | | | for ISP82xx. 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>
* [SCSI] qla2xxx: Return sysfs error codes appropriate to conditions.Joe Carnuccio2011-08-291-30/+29
| | | | | | | | | | Return sysfs error codes that match the conditions encountered. This prevents sysfs from retrying a request which is conditioned to fail under the current circumstance. Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla2xxx: Provide method for updating I2C attached VPD.Joe Carnuccio2011-08-292-0/+193
| | | | | | | | Provide bsg interface for updating VPD attached on the I2C serial bus. Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla2xxx: Correction to sysfs edc interface.Joe Carnuccio2011-08-291-3/+3
| | | | | | | | | | | Corrects the return value for the cases where read/write edc fails; this prevents sysfs from retrying the operation until forever. Corrects the printk width specifier for the first byte of buf. Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla2xxx: During loopdown perform Diagnostic loopback.Saurav Kashyap2011-08-291-0/+1
| | | | | | Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla2xxx: Fix array out of bound warning.Saurav Kashyap2011-08-291-1/+1
| | | | | | Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla2xxx: check for marker IOCB during response queue processing.Saurav Kashyap2011-08-291-0/+5
| | | | | | Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla2xxx: Enable write permission to some debug related module ↵Chad Dupuis2011-08-291-3/+3
| | | | | | | parameters to be changed dynamically. Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla2xxx: Prevent CPU lockups when "ql2xdontresethba" module param is set.Saurav Kashyap2011-08-291-3/+8
| | | | | | | | | Driver is not releasing the lock if ql2xdontresethba is set, this might lead to a lockup. Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla2xxx: Implemeted beacon on/off for ISP82XX.Saurav Kashyap2011-08-296-7/+92
| | | | | | | [jejb: fix up checkpatch.pl errors] Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla2xxx: Add support for ISP82xx to capture dump (minidump) on failure.Giridhar Malavali2011-08-299-50/+1315
| | | | | | | | | | | Minidump allows us to catpure a snapshot of the firmware/hardware states at the time of failure for further analysis. [jejb: added missing #include <linux/vmalloc.h> Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> ] 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>
* [SCSI] zfcp: support for hardware data routerSwen Schillig2011-08-277-60/+195
| | | | | | | | | | FICON Express8S supports hardware data router, which requires an adapted qdio request format. This part 2/2 exploits the functionality in zfcp. Signed-off-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qdio: base support for hardware data router with zfcpSwen Schillig2011-08-272-3/+9
| | | | | | | | | | | FICON Express8S supports hardware data router, which requires an adapted qdio request format. This part 1/2 provides the qdio base required for exploitation in zfcp. Signed-off-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] zfcp: non-experimental support for DIF/DIXSteffen Maier2011-08-273-9/+3
| | | | | | | | | DIF/DIX support for zfcp is no longer experimental, and config option is no longer necessary. Return error from queuecommand for unsupported data directions. Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] mvumi: Add Marvell UMI driverJianyun Li2011-08-274-0/+2533
| | | | | | | | | | | | | | | The Marvell Universal Message Interface (UMI) defines a messaging interface between host and Marvell products (Plato, for example). It considers situations of limited system resource and optimized system performance. UMI driver translates host request to message and sends message to FW via UMI, FW receives message and processes it, then sends response to UMI driver. FW generates an interrupt when it needs to send information or response to UMI driver Signed-off-by: Jianyun Li <jyli@marvell.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla4xxx: export iface nameMike Christie2011-08-271-0/+1
| | | | | | | | | Export the name of iface session is attached to. This is needed so tools like iscsiadm/iscsistart can match the sessions to userspace ifaces when rebuilding iscsid's state during boot. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla4xxx: Added support for adapter and firmware resetVikas Chaudhary2011-08-274-0/+114
| | | | | | Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] scsi: Added support for adapter and firmware resetVikas Chaudhary2011-08-271-0/+38
| | | | | | | | | | | | | | | | Added new sysfs attr 'host_reset' in scsi_sysfs.c to perform adapter or firmware reset as suggested by Mike Christie here: http://marc.info/?l=linux-scsi&m=127359347111167&w=2 user/application can write "adapter" or "firmware" on this attr and it will call newly added function hook in scsi_host_template to call LDD adapter or firmware reset implementation. Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla4xxx: Added Get ACB support using BSGHarish Zunjarrao2011-08-274-8/+80
| | | | | | | | | This command is used to read ACB params from firmware Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com> Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla4xxx: Added restore factory defaults support using BSGHarish Zunjarrao2011-08-274-0/+77
| | | | | | | | | | This command will causes the firmware to update all configurations to pre-defined factory default settings. Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com> Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] Fix out of spec CD-ROM problem with media changeTARUISI Hiroaki2011-08-271-2/+10
| | | | | | | | | | | Some CD-ROMs fail to report a media change correctly. The specific one for this patch simply fails to respond to commands, then gives a UNIT ATTENTION after being reset which returns ASC/ASCQ 28/00. This is out of spec behaviour, but add a check in the eat CC/UA on reset path to catch this case so the CD-ROM will function somewhat properly. [jejb: fixed up white space and accepted without signoff] Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla4xxx: added support to update initiator iscsi portVikas Chaudhary2011-08-273-0/+23
| | | | | | Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] scsi_transport_iscsi: Added support to update initiator iscsi portVikas Chaudhary2011-08-271-0/+4
| | | | | | Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla4xxx: Added vendor specific sysfs attributesVikas Chaudhary2011-08-274-0/+106
| | | | | | | | | | Added board_id, fw_state, phy_port_cnt, phy_port_num, iscsi_func_cnt, hba_model Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com> Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla4xxx: Add read/update NVRAM support for 40xx adapters using BSGHarish Zunjarrao2011-08-275-0/+210
| | | | | | | Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com> Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla4xxx: Add get ACB state support using BSGHarish Zunjarrao2011-08-274-0/+86
| | | | | | | Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com> Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla4xxx: Code cleanup for read/update flash using BSGHarish Zunjarrao2011-08-272-73/+65
| | | | | | | | | | | | - Corrected return status - Added reset active check - Removed unused dma_map_sg calls - Added debug prints on failure Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com> Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla4xxx: Added support to update mtuVikas Chaudhary2011-08-273-0/+15
| | | | | | Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] scsi_transport_iscsi: Added support to update mtuVikas Chaudhary2011-08-271-0/+4
| | | | | | Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla4xxx: Boot from SAN support for open-iscsiManish Rangankar2011-08-277-2/+650
| | | | | | | | | | Hook qla4xxx in fw boot sysfs interface so iscsi tools can use the info to create boot sessions. Signed-off-by: Manish Rangankar <manish.rangankar@qlogic.com> Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla4xxx: Remove reduandant code after open-iscsi integration.Manish Rangankar2011-08-276-838/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1. Remove device database entry (ddb) state. 2. Remove device database (DDB) list building. With open-iscsi integration the logins to the target devices are handled by the user space. So the information of target is now maintained in the iscsi_session object. This is handled at libiscsi level so there is no need to maintain a list of DDBs in the qla4xxx LLD. 3. qla4xxx: Remove add_device_dynamically. Since autologin in FW is disabled with open-iscsi integration, driver will never get an AEN for which driver has not requested a DDB index. So remove the add_device_dynamically function. 4. Remove qla4xxx_tgt_dscvr Since firmware autologin is disabled this function will not work. Now user has the ability to do the target discovery and login to each target individually. Firwmare will not do the login on its own. 5. Remove relogin related code All relogin is handled by userspace now. qla4xxx just need to notify userspace of a connection failure, this triggers the relogin. 6. Remove add_session and alloc_session Now qla4xxx uses iscsi_session_setup that would do the necessary allocations for session and ddb_entry. Signed-off-by: Manish Rangankar <manish.rangankar@qlogic.com> Signed-off-by: Lalit Chandivade <lalit.chandivade@qlogic.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla4xxx: support iscsiadm session mgmtManish Rangankar2011-08-278-365/+1416
| | | | | | | | | | | | | | | | | | | | | | | | Add scsi_transport_iscsi hooks in qla4xxx to support iSCSI session management using iscsiadm. This patch is based on discussion here http://groups.google.com/group/open-iscsi/browse_thread/thread/e89fd888baf656a0# Now users can use iscsiadm to do target discovery and do login/logout to individual targets using the qla4xxx iSCSI class interface. This patch leaves some dead code, but to make it easier to review we are leaving and in the next patch we will remove that old code. V2 - NOTE: Added code to avoid waiting for AEN during login/logout in the driver, instead added a kernel to user event to notify iscsid about login status. Because of this iscsid will not get blocked. Signed-off-by: Manish Rangankar <manish.rangankar@qlogic.com> Signed-off-by: Lalit Chandivade <lalit.chandivade@qlogic.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] scsi_transport_iscsi: Add conn login, kernel to user, event to ↵Manish Rangankar2011-08-271-0/+47
| | | | | | | | | | | | | | | | | support offload session login. Offload drivers like qla4xxx will offload the sending of the login/logout pdus still, so this patch adds iscsi_conn_login_event which is used by these types of drivers to notify userspace that the connection has changed state. It also adds a iscsi_is_session_online helper so the lld can query the sessions state field. Signed-off-by: Manish Rangankar <manish.rangankar@qlogic.com> Signed-off-by: Lalit Chandivade <lalit.chandivade@qlogic.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla4xxx: add bsg supportVikas Chaudhary2011-08-276-1/+238
| | | | | | | | | This patch adds bsg support to qla4xxx. Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] iscsi class: add bsg support to iscsi classMike Christie2011-08-272-1/+114
| | | | | | | | | | | | This patch adds bsg support to the iscsi class. There is only 1 request, the host vendor one, supported. It is expected that this would be used for things like flash updates. This patch is made over this one http://marc.info/?l=linux-scsi&m=131149780020992&w=2 Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] qla4xxx: Add VLAN supportVikas Chaudhary2011-08-273-2/+61
| | | | | | | | | | Add support to set VLAN and show vlan settings in sysfs Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com> [Patch updated to new defines] Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] libiscsi: don't bugon when if user sets markersMike Christie2011-08-271-9/+0
| | | | | | | | | libiscsi does not support markers and if someone tries to set them the driver does a BUG(). There is not need to be that extreme. Just return -ENOSYS. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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