- 19 Feb, 2012 40 commits
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Chad Dupuis authored
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>
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Chad Dupuis authored
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Chad Dupuis authored
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Andrew Vasquez authored
Don't use default 30 second mailbox-command timeout for these serial requests, instead, limit the TMO to the standard 2*RATOV plus some fudge-factor. Signed-off-by:
Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by:
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Andrew Vasquez authored
During command failure/non-recognition, the upper-layer FC-transport expects the drivers to set job-reply->reply_payload_rcv_len. Do this in a consistent manner to avoid duplication. Signed-off-by:
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Andrew Vasquez authored
During rport tear-down, make sure we do an implicit LOGO of the fcport in our firmware to try to clear any residual commands associated with that fcport. Signed-off-by:
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Chad Dupuis authored
Make sure that all calls to ha->isp_ops->fabric_login() check the return value for failure. Signed-off-by:
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Chad Dupuis authored
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Joe Carnuccio authored
When thermal temperature initially fails, return a blank string to the sysfs interface. This fixes the initial display of 0.00 followed by subsequent display of blank line; the initial 0.00 should have not displayed for cards that do not support thermal temperature. Signed-off-by:
Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by:
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Arun Easi authored
Instead of processing each RSCN individually, use only the name server results from the switch to tell the existance of a given fcport. Signed-off-by:
Arun Easi <arun.easi@qlogic.com> Signed-off-by:
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Joe Carnuccio authored
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Andrew Vasquez authored
The driver is logging a slew of 'good' status requests for ELS/CT passthrough commands. Change some log messages from: * ql_log() -> ql_dbg() * ql_log_info -> ql_dbg_user Signed-off-by: -
Giridhar Malavali authored
Rework the structures related to SRB processing to minimize the memory allocations per I/O and manage resources associated with and completions from common routines. Signed-off-by:
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Andrew Vasquez authored
Original 'defaults' were not OUI valid. Signed-off-by:
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Giridhar Malavali authored
Signed-off-by:
Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by:
Harish Zunjarrao <harish.zunjarrao@qlogic.com> Signed-off-by:
Nigel Kirkland <nigel.kirkland@qlogic.com> Signed-off-by:
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Giridhar Malavali authored
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Mahesh Rajashekhara authored
Added Sync. mode to support Series 7/8/9 controller families: This is a compatibility mode for all these controller families. The Async. (Performance) mode can be changed in the future. First Async. mode version added for Series 7; Controller parameter aac_sync_mode added Signed-off-by:
Mahesh Rajashekhara <aacraid@pmc-sierra.com> Signed-off-by:
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Eddie Wai authored
The error_mask module param overrides has a bug which prevented the new module param values to take effect. Also changed the type attribute of the error_mask1/2 module params from int to uint to allow the MSB to be set. Signed-off-by:
Eddie Wai <eddie.wai@broadcom.com> Acked-by:
Anil Veerabhadrappa <anilgv@broadcom.com> Signed-off-by:
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Eric Dumazet authored
bnx2i_percpu_thread_create() create per cpu kthread, and should use proper NUMA aware API. Signed-off-by:
Eric Dumazet <eric.dumazet@gmail.com> Acked-by:
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Jing Huang authored
This patch add bfa driver readme file to Documentation/scsi Signed-off-by:
Jing Huang <huangj@brocade.com> Signed-off-by:
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Jesper Juhl authored
If 'drv_fcxp = kzalloc(sizeof(struct bfad_fcxp), GFP_KERNEL);' fails and returns NULL, then we'll leak the memory allocated to 'bsg_fcpt' when we jump to 'out:' and the variable subsequently goes out of scope. Also remove the cast of the kzalloc() return value. kzalloc() returns a void* which is implicitly converted, so the explicit cast is pointless. Signed-off-by:
Jesper Juhl <jj@chaosbits.net> Acked-by:
Krishna Gudipati <kgudipat@brocade.com> Signed-off-by:
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Marcin Tomczak authored
Enabling clock gating for power savings on entry to controller ready state. Disable SCU clock gating for power savings on exit from the controller ready state. The gating is fully automated by silicon after setting the mode. Signed-off-by:
Marcin Tomczak <marcin.tomczak@intel.com> Signed-off-by:
Dan Williams <dan.j.williams@intel.com> Signed-off-by:
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Mike Christie authored
If the driver/lib has called scsi_done and cleaned up internally but scsi layer has not yet called blk_mark_rq_complete when the command times out we hit a problem if the timeout code calls blk_mark_rq_complete first. When the time out code calls into the driver we were returning BLK_EH_RESET_TIMER and that causes the timeout code to just call us again later. We need to be calling BLK_EH_HANDLED so the timeout code can complete the completion process because it had called blk_mark_rq_complete on the command and now owns its processing. Signed-off-by:
Mike Christie <michaelc@cs.wisc.edu> Signed-off-by:
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Mike Christie authored
Problem description from Xi Wang: A large max_r2t could lead to integer overflow in subsequent call to iscsi_tcp_r2tpool_alloc(), allocating a smaller buffer than expected and leading to out-of-bounds write. Signed-off-by:
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Mike Christie authored
NETLINK_CREDS's pid now returns 0, so I guess we are supposed to be using NETLINK_CB. This changed while the patch to export the pid was getting merged upstream, so it was not noticed until both the network and iscsi changes were in the same tree. Signed-off-by:
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Sasha Levin authored
iscsi_if_send_reply() may return -ESRCH if there were no targets to send data to. Currently we're ignoring this value and looping in attempt to do it over and over, which will usually lead in a hung task like this one: [ 4920.817298] INFO: task trinity:9074 blocked for more than 120 seconds. [ 4920.818527] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 4920.819982] trinity D 0000000000000000 5504 9074 2756 0x00000004 [ 4920.825374] ffff880003961a98 0000000000000086 ffff8800001aa000 ffff8800001aa000 [ 4920.826791] 00000000001d4340 ffff880003961fd8 ffff880003960000 00000000001d4340 [ 4920.828241] 00000000001d4340 00000000001d4340 ffff880003961fd8 00000000001d4340 [ 4920.833231] [ 4920.833519] Call Trace: [ 4920.834010] [<ffffffff826363fa>] schedule+0x3a/0x50 [ 4920.834953] [<ffffffff82634ac9>] __mutex_lock_common+0x209/0x5b0 [ 4920.836226] [<ffffffff81af805d>] ? iscsi_if_rx+0x2d/0x990 [ 4920.837281] [<ffffffff81053943>] ? sched_clock+0x13/0x20 [ 4920.838305] [<ffffffff81af805d>] ? iscsi_if_rx+0x2d/0x990 [ 4920.839336] [<ffffffff82634eb0>] mutex_lock_nested+0x40/0x50 [ 4920.840423] [<ffffffff81af805d>] iscsi_if_rx+0x2d/0x990 [ 4920.841434] [<ffffffff810dffed>] ? sub_preempt_count+0x9d/0xd0 [ 4920.842548] [<ffffffff82637bb0>] ? _raw_read_unlock+0x30/0x60 [ 4920.843666] [<ffffffff821f71de>] netlink_unicast+0x1ae/0x1f0 [ 4920.844751] [<ffffffff821f7997>] netlink_sendmsg+0x227/0x350 [ 4920.845850] [<ffffffff821857bd>] ? sock_update_netprioidx+0xdd/0x1b0 [ 4920.847060] [<ffffffff82185732>] ? sock_update_netprioidx+0x52/0x1b0 [ 4920.848276] [<ffffffff8217f226>] sock_aio_write+0x166/0x180 [ 4920.849348] [<ffffffff810dfe41>] ? get_parent_ip+0x11/0x50 [ 4920.850428] [<ffffffff811d0d9a>] do_sync_write+0xda/0x120 [ 4920.851465] [<ffffffff810dffed>] ? sub_preempt_count+0x9d/0xd0 [ 4920.852579] [<ffffffff810dfe41>] ? get_parent_ip+0x11/0x50 [ 4920.853608] [<ffffffff81791887>] ? security_file_permission+0x27/0xb0 [ 4920.854821] [<ffffffff811d0f4c>] vfs_write+0x16c/0x180 [ 4920.855781] [<ffffffff811d104f>] sys_write+0x4f/0xa0 [ 4920.856798] [<ffffffff82638e79>] system_call_fastpath+0x16/0x1b [ 4920.877487] 1 lock held by trinity/9074: [ 4920.878239] #0: (rx_queue_mutex){+.+...}, at: [<ffffffff81af805d>] iscsi_if_rx+0x2d/0x990 [ 4920.880005] Kernel panic - not syncing: hung_task: blocked tasks Signed-off-by:Sasha Levin <levinsasha928@gmail.com> Acked-by:
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Moger, Babu authored
This patch fixes the host byte settings DID_TARGET_FAILURE and DID_NEXUS_FAILURE. The function __scsi_error_from_host_byte, tries to reset the host byte to DID_OK. But that does not happen because of the OR operation. Here is the flow. scsi_softirq_done-> scsi_decide_disposition -> __scsi_error_from_host_byte Let's take an example with DID_NEXUS_FAILURE. In scsi_decide_disposition, result will be set as DID_NEXUS_FAILURE (=0x11). Then in __scsi_error_from_host_byte, when we do OR with DID_OK. Purpose is to reset it back to DID_OK. But that does not happen. This patch fixes this issue. Signed-off-by:
Babu Moger <babu.moger@netapp.com> Signed-off-by:
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Moger, Babu authored
Resubmitting as my previous post had format issues and did not go llinux-scsi. This patch changes the function to set_msg_byte, set_host_byte and set_driver_byte to correctly set the corresponding bytes appropriately. It will reset the original setting and correctly set it to the new value. The previous OR operation does not always set it back to new value. Look at patch 2/2 for an example. Signed-off-by:
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Bhanu Prakash Gollapudi authored
Signed-off-by:
Bhanu Prakash Gollapudi <bprakash@broadcom.com> Signed-off-by:
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Bhanu Prakash Gollapudi authored
When there are 255 NPIV ports, and the interface is brought down & up, both physical and NPIV ports are logged off and never logged back in. Since discovery happens on single CPU, XID resources on that CPU will be limited, which when exhausted the discovery fails. Increase the XID resource range to ensure that the discovery completes successfully. Also ensure that fc_exch_mgr_alloc() doesn't fail on the system that has lower number of CPUs. Signed-off-by:
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Bhanu Prakash Gollapudi authored
Host drops sessions when flood of unsolicited LOGOs are received from the target. Because of unsufficient PLOGI retries, upon exceeding the retry count of 3, the target sessions are dropped. Increased the retry count to 255 to allow sufficient retries in this scenario. Signed-off-by:
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Bhanu Prakash Gollapudi authored
System panics while accessing stale pointer - timer_work_queue - in the IO path before bnx2fc_stop is called. Fix is to destroy the workqueue after the destroy operation is complete. Signed-off-by:
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Neerav Parikh authored
Allow FDMI attributes to be exposed via the fc_host class object for the fcoe driver. Signed-off-by:
Neerav Parikh <neerav.parikh@intel.com> Tested-by:
Ross Brattain <ross.b.brattain@intel.com> Acked-by:
Robert Love <robert.w.love@intel.com> Signed-off-by:
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Neerav Parikh authored
This adds support for updating the FC-GS FDMI attributes in the fcoe driver. Signed-off-by:
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Neerav Parikh authored
This patch adds support for Fabric Device Management Interface as per FC-GS-4 spec. in libfc. Any driver making use of libfc can enable fdmi state machine for a given lport. If lport has enabled FDMI support the lport state machine will transition into FDMI after completing the DNS states and before entering the SCR state. The FDMI state transition is such that if there is an error, it won't stop the lport state machine from transitioning and the it will behave as if there was no FDMI support. The FDMI HBA attributes are registed with the Management server via Register HBA (RHBA) command and the port attributes are reigstered using the Register Port(RPA) command. Signed-off-by:
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Neerav Parikh authored
Currently the libfc Common Transport(CT) calls assume that the CT requests are Name Server specific only. This patch makes it more flexible to allow more FC-GS services to make use of these routines. Signed-off-by:
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Neerav Parikh authored
The values for the 4G and 10G speeds are not in sync with definitions in SM-HBA/FC-GS-x/etc. This patch brings them in sync to these specifications. The values are converted to strings when represented via sysfs attribute, hence that should cover for user space apps as they may not see any change. Signed-off-by:
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Neerav Parikh authored
This adds FC-GS Fabric Device Management Interface (FDMI) related attributes to fc_host_attr structure. This is in preparation for allowing FDMI attributes to be registered via libfc. Signed-off-by:
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Akinobu Mita authored
Use find_first_zero_bit to find the first cleared bit in a memory region. This also includes the following minor changes. - Use bitmap_zero - Reduce unnecessary atomic bitops usage Signed-off-by:
Akinobu Mita <akinobu.mita@gmail.com> Acked-by:
Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by:
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Douglas Gilbert authored
The SCSI GET LBA STATUS command was introduced in SBC-3 revision 20 in September 2009. At that time the Parameter Data Length field in the response had an associated byte offset of 8. Then in SBC-3 revision 25 (October 2010) that byte offset was changed to 4. The sg_get_lba_status utility in sg3_utils version 1.33 (released earlier today) has been changed to calculate the newer response length. However the implementation of GET LBA STATUS command in the scsi_debug driver still uses the original byte offset. modify the Parameter Data Length field value in the GET LBA STATUS command response to comply with the change in SBC-3 revision 25 Signed-off-by:
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