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path: root/drivers/scsi
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2013-04-11[SCSI] iscsi_tcp: support PF_MEMALLOC/__GFP_MEMALLOCMike Christie
This patch has software iscsi use PF_MEMALLOC/__GFP_MEMALLOC to be able to better support swap over iscsi disks similar to what was added for nbd. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-11[SCSI] libiscsi: avoid unnecessary multiple NULL assignmentsMasatake YAMATO
In iscsi_free_task, NULL is assigned to task->sc twice: before and after kfifo_in invocatoin. Allocating and freeing iscsi_task are guarded with session->lock, so multiple NULL assignments cause no trouble. But people reading the source code may be confused. The second NULL assignment comes from commit: 3e5c28ad0391389959ccae81c938c7533efb3490 It seems that the line after kfifo_in invocation was introduced accidentally. Signed-off-by: Masatake YAMATO <yamato@redhat.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-11[SCSI] qla4xxx: Update driver version to 5.03.00-k8Vikas Chaudhary
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-11[SCSI] qla4xxx: Added print statements to display AENsVikas Chaudhary
Added print statements for following AENs: 1. MBOX_ASTS_INITIALIZATION_FAILED 2. MBOX_ASTS_SYSTEM_WARNING_EVENT 3. MBOX_ASTS_DCBX_CONF_CHANGE 4. MBOX_ASTS_IPV6_DEFAULT_ROUTER_CHANGED 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>
2013-04-11[SCSI] qla4xxx: Use correct value for max flash node entriesAdheer Chandravanshi
Use correct value for max flash node entries supported based on adapter type. Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@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>
2013-04-11[SCSI] qla4xxx: Restrict logout from boot target session using session idAdheer Chandravanshi
Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@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>
2013-04-11[SCSI] qla4xxx: Use correct flash ddb offset for ISP40XXAdheer Chandravanshi
Use correct flash ddb offset to add and delete flash target entries for ISP40XX Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@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>
2013-04-11[SCSI] isci: add CONFIG_PM_SLEEP to suspend/resume functionsJingoo Han
Add CONFIG_PM_SLEEP to suspend/resume functions to fix the following build warning when CONFIG_PM_SLEEP is not selected. This is because sleep PM callbacks defined by SIMPLE_DEV_PM_OPS are only used when the CONFIG_PM_SLEEP is enabled. drivers/scsi/isci/init.c:725:12: warning: 'isci_suspend' defined but not used [-Wunused-function] drivers/scsi/isci/init.c:743:12: warning: 'isci_resume' defined but not used [-Wunused-function] Signed-off-by: Jingoo Han <jg1.han@samsung.com> Acked-by: Lukasz Dorau <lukasz.dorau@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-11[SCSI] scsi_dh_alua: Add module parameter to allow failover to non preferred ↵Stewart, Sean
path without STPG Resending with requested rewording of the parameter description. Currently ALUA device handler sends STPG command during failover and failback. Failover can be optimized by implicit failover (by not to sending STPG command), when 1 is passed as hwhandler parameter in multipath.conf. ex "2 alua 1". We may need to pass the parameter through module param for alua device handler to optimize failover if incase retain_attached_hwhandler set in multipath.conf and hwhandler is set with non-tpgs device handler ex: '1 rdac'. [jejb: fix up whitespace and other issues] Signed-off-by: Vijay Chauhan <vijay.chauhan@netapp.com> Signed-off-by: Sean Stewart <Sean.Stewart@netapp.com> Acked-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-11[SCSI] qla2xxx: Update the driver version to 8.05.00.03-k.Saurav Kashyap
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>
2013-04-11[SCSI] qla2xxx: Obtain loopback iteration count from bsg request.Joe Carnuccio
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>
2013-04-11[SCSI] qla2xxx: Add clarifying printk to thermal access fail cases.Joe Carnuccio
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>
2013-04-11[SCSI] qla2xxx: Remove duplicated include form qla_isr.cWei Yongjun
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>
2013-04-11[SCSI] qla2xxx: Enhancements to support ISPFx00.Giridhar Malavali
[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>
2013-04-11[SCSI] qla4xxx: Update driver version to 5.03.00-k7Vikas Chaudhary
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-11[SCSI] qla4xxx: Replace dev type macros with generic portal type macrosAdheer Chandravanshi
Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@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>
2013-04-11[SCSI] qla4xxx: Add flash node mgmt supportAdheer Chandravanshi
This patch allows iscsiadm to manage iSCSI target information stored on qla4xxx adapter flash on per host basis. Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com> Signed-off-by: Manish Rangankar <manish.rangankar@qlogic.com> Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-11[SCSI] libiscsi: export function iscsi_switch_str_paramAdheer Chandravanshi
Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com> Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-11[SCSI] scsi_transport_iscsi: Add flash node mgmt supportAdheer Chandravanshi
This patch allows iscsiadm to manage iSCSI target information stored on adapter flash on per host basis. The sysfs entries will look as cited below: /sys/bus/iscsi_flashnode/devices/flashnode_sess-<host_no>:<flashnode_id>/<session attrs> /sys/bus/iscsi_flashnode/devices/flashnode_conn-<host_no>:<flashnode_id>:<conn_id>/<conn attrs> Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com> Signed-off-by: Manish Rangankar <manish.rangankar@qlogic.com> Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-11[SCSI] qla4xxx: Update driver version to 5.03.00-k6Vikas Chaudhary
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-11[SCSI] qla4xxx: Skip retry of initialize_adapter for ISP80XXNilesh Javali
While probe Skip retry of initialize_adapter only for ISP82XX and ISP83XX. We need to retry initialize_adapter for ISP40XX. Signed-off-by: Nilesh Javali <nilesh.javali@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>
2013-04-11[SCSI] qla4xxx: Assign correct CHAP table address to FLTVikas Chaudhary
Issue: If flash read for FLT fails, we are assigning wrong default address for CHAP table in FLT, which will cause CHAP table read/write to wrong address. Fix: Assign correct default CHAP table address to FLT. 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>
2013-04-11[SCSI] qla4xxx: Added missing check for ISP83XX in CHAP related functionsVikas Chaudhary
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>
2013-04-11[SCSI] lpfc: fix potential NULL pointer dereference in lpfc_sli4_rq_put()Wei Yongjun
The dereference to 'put_index' should be moved below the NULL test. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-10[SCSI] aacraid: Dual firmware image supportMahesh Rajashekhara
This patch adds dual flash firmware support for Series 7 and above controllers. [thenzl: used ssleep(10) instead udelay] Signed-off-by: Mahesh Rajashekhara <Mahesh.Rajashekhara@pmcs.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-10[SCSI] csiostor: remove unused variable in csio_process_fwevtq_entry()Wei Yongjun
The variable 'data' is initialized but never used otherwise, so remove the unused variable. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by: Naresh Kumar Inna <naresh@chelsio.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-10[SCSI] qla4xxx: Update driver version to 5.03.00-k5Vikas Chaudhary
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-10[SCSI] qla4xxx: Fixed request queue count manipulation on response pathTej Parkash
Issue: Request queue count holds the information about free space in request queue which has to be manipulated based on request in and out pointer. But in driver response path, this count was incremented unconditionally, which could move req_in pointer beyond req_out pointer. This scenario leads fw hang during IO. Solution: Request queue count manipulation has to be done in IO path only, keeping req_in and req_out pointer two IOCB count away Signed-off-by: Tej Parkash <tej.parkash@qlogic.com> Signed-off-by: Shyam Sundar <shyam.sundar@qlogic.com> Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-10[SCSI] qla4xxx: Fix debug level to avoid floods of same messageVikas Chaudhary
Move "Incorrect function ID" print message in case INTX interrupt from DEBUG2 to DEBUG7. This will avoid floods of this message if DEBUG2 is enabled. Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-10[SCSI] qla4xxx: Pass correct LUN address to firmware in case of lun_resetVikas Chaudhary
Use function int_to_scsilun() in qla4xxx_reset_lun() to convert integer value comming from scsi_transport to scsi LUN address format. Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-10[SCSI] qla4xxx: Fix double reset in case of firmware hung for ISP83XXVikas Chaudhary
In case of firmware hung we need to call "mailbox_premature_completion" to complete any pending mbox command as firmware is not alive. Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-10[SCSI] qla4xxx: Set graceful reset bit for ISP83XXVikas Chaudhary
For ISP83XX set graceful reset bit in IDC_DRV_CTRL if reset is issued by application Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-10[SCSI] qla4xxx: Boot from SAN fix for ISP83XXVikas Chaudhary
Issue: ISP83XX check is missing in function get_fw_boot_info() because of this qla4xxx will not export boot target to sysfs and iscsistart cannot issue login to boot target. Fix: Added check for ISP83XX in function get_fw_boot_info() Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-10[SCSI] qla4xxx: Take E-port out of reset before disabling pause framesManish Dusane
Problem Description: Disabling pause frames might cause hardware wedging needing a power cycle. This might happen if the Eport is not initialized and is in reset. Solution: Before disabling pause frames ensure that eport is out of reset. Signed-off-by: Manish Dusane <manish.dusane@qlogic.com> Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-09[SCSI] scsi_dh_alua: fix stpg sense handlingMike Christie
For the stpg_endio path we are not evaluating the sense. The bug is that 1. The error value is set to -EIO when there is sense, so we hit the first error check and always return SCSI_DH_IO. 2. h->senselen is set to zero in submit_stpg. It is not later set to req->sense_len like in the synchrounous exection paths, so we must check the req->sense_len field. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-09[SCSI] lpfc 8.3.38: Update lpfc version for 8.3.38 driver releaseJames Smart
Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-09[SCSI] lpfc 8.3.38: Fixed potential mis-interpretation of READ_TOPOLOGY ↵James Smart
reserved fields Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-09[SCSI] lpfc 8.3.38: Fix default value for lpfc_enable_rrq.James Smart
Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-09[SCSI] lpfc 8.3.38: Fixed circular locking dependency and inconsistent lock ↵James Smart
state issues Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-09[SCSI] lpfc 8.3.38: Fixed PT2PT bring up problem for FC SLI4.James Smart
Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-09[SCSI] lpfc 8.3.38: Fixed OXID reuse issue.James Smart
Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-09[SCSI] lpfc 8.3.38: Fixed async FCF modified event to in-use FCF failure to ↵James Smart
trigger recovery Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-09[SCSI] lpfc 8.3.38: Fixed deadlock condition in FCF round robin handlingJames Smart
Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-09[SCSI] scsilpfc 8.3.38: Fixed bsg timeout handling issues that would result ↵James Smart
in crashes Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-09[SCSI] lpfc 8.3.38: Fixed degraded performance after cable pullsJames Smart
The service parameters for the VPI/RPIs were incorrect, resulting in lower utilization Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-09[SCSI] lpfc 8.3.38: Fixed NMI watch dog panic's when resetting the hba.James Smart
Fixed NMI watch dog panic's when resetting the hba. Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-09constify a bunch of struct file_operations instancesAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-04-09procfs: new helper - PDE_DATA(inode)Al Viro
The only part of proc_dir_entry the code outside of fs/proc really cares about is PDE(inode)->data. Provide a helper for that; static inline for now, eventually will be moved to fs/proc, along with the knowledge of struct proc_dir_entry layout. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-04-09scsi_proc: make proc_scsi_host_open() preallocate a bigger bufferAl Viro
Some of the ->show_info() instances really spew a lot; it's not a problem wrt correctness (seq_read() will grow buffer and call the sucker again), but in this case it makes sense to start with a somewhat bigger one - they often do exceed one page worth of output. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-04-09scsi: bury ->proc_info()Al Viro
all users converted to ->show_info()/->write_info() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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