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* [SCSI] fcoe, libfc: initialize EM anchors list and then update npiv EMsVasu Dev2011-02-284-32/+29
| | | | | | | | | | | | | | | | EM anchors list initialization for only master port was not enough to keep npiv working as described here:- https://lists.open-fcoe.org/pipermail/devel/2011-January/011063.html So this patch moves fc_exch_mgr_list_clone to update npiv ports EMs once EM anchors list initialized. Also some cleanup, no need to set lport = NULL as that always get initialized later. Signed-off-by: Vasu Dev <vasu.dev@intel.com> Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] Revert "[SCSI] libfc: fix exchange being deleted when the abort ↵Parikh, Neerav2011-02-281-5/+2
| | | | | | | | | | | | | | | | | itself is timed out" When abort for an exchange timed out it didn't release the reference to the exchange resulting in a memory leak. After discussion with the author of the patch (CC) that introduced this bug it was suggested to revert that patch. This reverts commit ea3e2e72eeb3e8a9440a5da965914f9b12088626. Signed-off by: Neerav Parikh <Neerav.Parikh@intel.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 <James.Bottomley@suse.de>
* [SCSI] libfc: Fixing a memory leak when destroying an interfaceParikh, Neerav2011-02-281-0/+1
| | | | | | | | | | | | | When an fcoe interface is being destroyed; in the process the fcoe driver will try to release all the resources it had allocated for that interface including rports. But, it seems that it does not release the reference held for the name server rport in that process resulting into a memory leak. This patch fixes that memory leak. Signed-off-by: Neerav Parikh <neerav.parikh@intel.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 <James.Bottomley@suse.de>
* [SCSI] megaraid_sas: Version and Changelog updateadam radford2011-02-282-4/+5
| | | | | Signed-off-by: Adam Radford <aradford@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] megaraid_sas: Fix iMR OCR support to work correctlyadam radford2011-02-281-25/+37
| | | | | Signed-off-by: Adam Radford <aradford@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] megaraid_sas: Fix max_sectors for IEEE SGLadam radford2011-02-282-0/+5
| | | | | Signed-off-by: Adam Radford <aradford@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] megaraid_sas: Fix fault state handlingadam radford2011-02-281-1/+3
| | | | | | | | The following patch for megaraid_sas fixes fault state handling in megasas_transition_to_ready(). Signed-off-by: Adam Radford <aradford@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] megaraid_sas: Fix tasklet_init calladam radford2011-02-281-1/+1
| | | | | | | | The following patch fixes an incorrect tasklet_init() call in megasas_init_fw() to use instancet->tasklet. Signed-off-by: Adam Radford <aradford@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] megaraid_sas: Add CFG_CLEARED AENadam radford2011-02-281-0/+1
| | | | | | | | The following patch for megaraid_sas adds a missing check for MR_EVT_CFG_CLEARED in megasas_aen_polling(). Signed-off-by: Adam Radford <aradford@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] megaraid_sas: Fix megasas_build_dcdb_fusion to use correct LUN fieldadam radford2011-02-281-2/+2
| | | | | Signed-off-by: Adam Radford <aradford@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] megaraid_sas: Fix megasas_build_dcdb_fusion to not filter by TYPE_DISKadam radford2011-02-281-2/+1
| | | | | Signed-off-by: Adam Radford <aradford@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] megaraid_sas: Fix probe_one to clear MSI-X flags in kdumpadam radford2011-02-282-1/+21
| | | | | | | | | The following patch for megaraid_sas fixes megasas_probe_one() to clear MSI-X flags in kdump when the 'reset_devices' kernel parameter is passed in. Signed-off-by: Adam Radford <aradford@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] megaraid_sas: Call tasklet_schedule for MSI-Xadam radford2011-02-281-1/+3
| | | | | | | | The following patch for megaraid_sas calls tasklet_schedule() even if outbound_intr_status == 0 for MFI based boards in MSI-X mode. Signed-off-by: Adam Radford <aradford@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] megaraid_sas: Enable MSI-X before calling megasas_init_fwadam radford2011-02-281-12/+12
| | | | | Signed-off-by: Adam Radford <aradford@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] megaraid_sas: Add missing check_and_restore_queue_depth calladam radford2011-02-281-1/+5
| | | | | Signed-off-by: Adam Radford <aradford@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] megaraid_sas: Fix failure gotosadam radford2011-02-282-11/+12
| | | | | Signed-off-by: Adam Radford <aradford@gmail.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] libsas: fix loopback topology bug during discoveryjack_wang2011-02-281-0/+5
| | | | | | | | In some test envirenment, there is loopback topology test. We should handle this during discovery. Signed-off-by: Jack Wang <jack_wang@usish.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] lpfc: block target when port queueing limit is hitMike Christie2011-02-281-1/+4
| | | | | | | | | | Instead of blocking the entire host when the port's queueing limit is hit, we should only block the port's target. This will allow IO to other ports to execute. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Acked-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] lpfc: force retry in queuecommand when port is transitioningMike Christie2011-02-281-1/+1
| | | | | | | | | | | | | | | | If the port takes a while to transition we could exhaust the retries when using DID_TRANSPORT_DISRUPTED. For this case we do not want to use any of the cmd's retries, because if the command was running then when it got failed the retry counter was already incremented. And if this is the first time we are seeing the command, (it got queued because it slipped through during the race) then it should not have its retries incremented. The fc class will decide the correct handling later. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Acked-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] qla2xxx: Update version number to 8.03.07.00Madhuranath Iyengar2011-02-251-2/+2
| | | | | | | | | | | | We'll be using the new version number scheme from now on. The 'k' in the version in the past will be removed. The format will be: <major>.<minor>.<sub_minor>.<iter> A scsi-misc submission increments <sub_minor> and resets <iter>. An scsi-rc-fixes submission, increments <iter>. Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] qla2xxx: Check return value of fc_block_scsi_eh()Andrew Vasquez2011-02-251-9/+20
| | | | | | | | | | | | | The fc_block_scsi_eh() might return with status FAST_IO_FAIL indicating I/O has been terminated due to fast_io_fail timeout. In this case the rport is still blocked, so any error recovery will be failing on this port. Hence we need to check if the return value from fc_block_scsi_eh() is something other than 0, in which case it should just return with that status. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] qla2xxx: The ISP82XX should be online while waiting for commands ↵Saurav Kashyap2011-02-251-3/+16
| | | | | | | | | | | completion. If adapter is not online, the driver will not process the response queue, even on getting an interrupt. Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] qla2xxx: Propagate block-layer tags on submitted I/Os.Andrew Vasquez2011-02-252-2/+82
| | | | | | Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] qla2xxx: Adjust FCP_RSP response-info field check after TMF completion.Andrew Vasquez2011-02-251-16/+13
| | | | | | | | | | | Based on reading of the FCP2/4 specification, the driver cannot expect the storage device to send FCP_RSP information. Instead, the driver should interpret the data which is present in the frame to base decisions on the success or failure of the system. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] qla2xxx: Clear any stale login-states during an adapter reset.Andrew Vasquez2011-02-251-0/+17
| | | | | | | | | | | By not clearing the 'login needed' nor 'login outstanding' states for an fcport after a big-hammer (adapter reset), the driver may not properly perform a PLOGI/PRLI sequence (and lose visibility to the rport) during a follow-on SNS scan. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] qla2xxx: Pass right CT command string for CT status processing.Andrew Vasquez2011-02-251-1/+1
| | | | | | | Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] qla2xxx: Don't wait for active mailbox command completion when ↵Giridhar Malavali2011-02-251-7/+7
| | | | | | | | firmware is hung. Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] qla2xxx: Abort pending commands for faster recovery during ISP reset.Giridhar Malavali2011-02-256-61/+125
| | | | | | Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] qla2xxx: Display nport_id when any SNS command fails.Giridhar Malavali2011-02-251-6/+13
| | | | | | Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] qla2xxx: Reinitialize the device initialize timeout value after reset ↵Giridhar Malavali2011-02-251-0/+2
| | | | | | | | on ISP82xx. Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] qla2xxx: Fix array subscript is above array bounds in ↵Chad Dupuis2011-02-251-1/+1
| | | | | | | | | | | | | qla2xx_build_scsi_type_6_iocbs(). The additional increment of dsd_seg was causing the compiler to throw an array out of bounds warning. This patch moves to a direct assignment of cmd_pkt->fcp_data_dseg_len so that the compiler doesn't generate an array out bounds warning. Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] qla2xxx: Remove host_lock in queuecommand functionMadhuranath Iyengar2011-02-251-16/+6
| | | | | | | Also in qla_os.c, rename the function, remove DEF_SCSI_QCMD, etc. Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] zfcp: Add information to symbolic port name when running in NPIV modeChristof Schmitt2011-02-257-0/+169
| | | | | | | | | | | | Query the FC symbolic port name for reporting in the fc_host sysfs and enable the symbolic_name attribute in the fc_host sysfs. When running in NPIV mode, extend the symbolic port name with the devno and the hostname. This allows better identification of Linux systems for SAN and storage administrators. Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] zfcp: Move SCSI host and transport templates out of struct zfcp_dataChristof Schmitt2011-02-254-48/+48
| | | | | | | | | | | The SCSI host and transport templates are the only members left in the global zfcp_data struct. Move them out of zfcp_data and remove the now unused zfcp_data struct. Also update the names of the register and unregister functions to use the zfcp_scsi prefix. Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] zfcp: Merge FCP task management setup with regular FCP command setupChristof Schmitt2011-02-252-16/+10
| | | | | | | | | | For task management commands, only LUN and flags are required. The regular FCP setup already sets the LUN in the fcp_cmnd. All is required for merging the function is setting up the TM flags. Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] zfcp: Move qtcb kmem_cache to zfcp_fsf.cChristof Schmitt2011-02-254-9/+11
| | | | | | | | | Move the kmem_cache for allocating the qtcb to zfcp_fsf.c and rename it accordingly. Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] zfcp: Use common FC kmem_cache for GPN_FT requestChristof Schmitt2011-02-254-87/+35
| | | | | | | | | Switch the allocation of the GPN_FT request data to the FC kmem_cache and remove the zfcp_gpn kmem_cache. Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] zfcp: Allocate GID_PN data through new FC kmem_cacheChristof Schmitt2011-02-254-70/+46
| | | | | | | | | | | | Allocate the data for the GID_PN request through the new FC kmem_cache. While updating the GID_PN code, also introduce a helper function for initializing the CT header for FC nameserver requests. Remove the "paranoia" check as well, the GID_PN request data does not suddenly change. Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] zfcp: Introduce new kmem_cache for FC request and response dataChristof Schmitt2011-02-255-42/+47
| | | | | | | | | | | | | A data buffer that is passed to the hardware must not cross a page boundary. zfcp uses a series of kmem_caches to align the data to not cross a page boundary. Introduce a new kmem_cache for the FC requests sent from the zfcp driver and use it for the ELS ADISC data. The goal is to migrate to the FC kmem_cache in later patches and remove the request specific kmem_caches. Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] zfcp: Replace kmem_cache for "status read" dataChristof Schmitt2011-02-254-22/+15
| | | | | | | | | | | | | | | zfcp requires a mempool for the status read data blocks to resubmit the "status read" requests at any time. Each status read data block has the size of a page (4096 bytes) and needs to be placed in one page. Instead of having a kmem_cache for allocating page sized chunks, use mempool_create_page_pool to create a mempool returning pages and remove the zfcp kmem_cache. Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] zfcp: Remove unused flag ZFCP_STATUS_FSFREQ_TASK_MANAGEMENTChristof Schmitt2011-02-252-2/+0
| | | | | | Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] zfcp: Remove redundant unlikely()Tobias Klauser2011-02-251-2/+2
| | | | | | | | | IS_ERR() already implies unlikely(), so it can be omitted here. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] be2iscsi: fix null ptr ref in conn get paramMike Christie2011-02-243-16/+9
| | | | | | | | | | The ep_disconnect function could be freeing the ep while beiscsi_conn_get_param is running. This has the driver use the get ep param callback instead of the get conn param to fix this. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] iser: export addr and portMike Christie2011-02-241-0/+26
| | | | | | | | This pactch has iser export the address and port of the endpoint. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] bnx2i: fix null ptr ref in conn get paramMike Christie2011-02-241-23/+22
| | | | | | | | | | | | | | | | | | bnx2i has some checks to try and make sure the ep is not destroyed while the addr/port is getting read. However, if after this check: if (!(bnx2i_conn && bnx2i_conn->ep && bnx2i_conn->ep->hba)) goto out; bnx2i_conn->ep is cleared by ep_disconnect then we will oops. This patches fixes the problem by having the driver use the get_ep_param callback instead of get_conn_param. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] cxgbi: convert to use iscsi_conn_get_addr_paramMike Christie2011-02-244-22/+22
| | | | | | | | This has cxgbi use the iscsi_conn_get_addr_param helper and the get ep callback. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] iscsi class: add callout to get iscsi_endpoint valuesMike Christie2011-02-241-2/+37
| | | | | | | | | | | | | | | | For drivers using the ep callbacks the addr and port are attached to the endpoint instead of the conn. This adds a callout to the iscsi_transport to get ep values. It also adds locking around the get param call to make sure that ep_disconnect does not free the LLD's ep interconnect structs from under us (the ep has a refcount so it will not go away but the LLD may have structs from other subsystems that are not allocated in the ep so we need to protect them from getting freed). Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] iscsi_tcp: use iscsi_conn_get_addr_param libiscsi functionMike Christie2011-02-242-67/+71
| | | | | | | | | | | | | | This has iscsi_tcp use the iscsi_conn_get_addr_param libiscsi function. It also drops the use of the libiscsi session portal buffers, so they can be removed in the next patches. Instead of copying the values at bind time we get them during get() time. If we are not connected userspace will now get -ENOTCONN, so it knows that connection is disconnected instead of a possible stale value. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] libiscsi: add helper to convert addr to stringMike Christie2011-02-241-3/+41
| | | | | | | | | This adds a helper to convert a addr struct to a string. This will be used by the drivers in the next patches. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] iscsi class: remove unused active variableMike Christie2011-02-241-2/+0
| | | | | | | | The active variable on the iscsi_cls_conn is not used so this patch removes it. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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