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- 05 Sep, 2009 4 commits
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Christof Schmitt authored
The default trace level is to only trace failed SCSI commands. Thus it is not necessary to collect trace data for most SCSI commands since it will be thrown away later. Restructure the SCSI trace infrastructure to first check the trace level in a inline function and only do the expensive data collection for matching trace levels. Reviewed-by:
Swen Schillig <swen@vnet.ibm.com> Signed-off-by:
Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by:
James Bottomley <James.Bottomley@suse.de>
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Christof Schmitt authored
The struct zfcp_adapter includes everything related to the debug traces. This introduces dependences between the definitions in zfcp_def.h and zfcp_dbf.h. Move all debug related data structures to a new data structure to break those dependencies and manage the debug data in zfcp_dbf.[hc]. Reviewed-by:
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Swen Schillig authored
In certain error scenarios ports, rports are getting attached, validated and removed from the systems environment. Depending on the layer this occurs asynchronously. This patch fixes the few races which existed and ensures all references and cross references are cleared at the time they're invalid. In addition fc transports actions are only scheduled when required. Signed-off-by:
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Yanqing_Liu@Dell.com authored
This patch is to add DM support for next generation of Dell PowerVault storage array. Signed-off-by:
Yanqing Liu <Yanqing_Liu@Dell.com> Acked-by:
Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by:
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- 22 Aug, 2009 36 commits
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James Bottomley authored
Novell is now funding SCSI work, so the MAINTAINERS file should reflect this. Signed-off-by: -
Kashyap, Desai authored
Bump version to 3.04.11 Signed-off-by: -
Kashyap, Desai authored
Code cleanup of host page alloc and diag reset. Signed-off-by: -
Kashyap, Desai authored
Do not set max_id value received from FW. Once SAS transport layer is introduced max_id value is missleading to SCSI mid layer. Use max_id to infinite value. logic of can queue of scsi host is changed. Signed-off-by: -
Kashyap, Desai authored
Change config request timeout value to 30 seconds. Signed-off-by: -
Kashyap, Desai authored
Handle insufficient resources status as similar to busy status. Signed-off-by: -
Kashyap, Desai authored
Removed mptscsih_timer_expired. This timer is no more use. Signed-off-by: -
Kashyap, Desai authored
Change DEFINED value of can queue for FC and SAS devices. Signed-off-by: -
Chandra Seetharaman authored
Reported-by:
Rice Brown <rick.brown@oit.gatech.edu> Signed-Off-by:
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James Bottomley authored
Universally, SCSI functions assume the lengths fed in are those of the buffer to DMA data to, not the lengths of the data minus the header. scsi_vpd_inquiry() assumed the latter and got it wrong, so fix up all the functions to use the correct assumption (and fix a bug where INQUIRY in SCSI-2 dcannot go over 255). [jejb: Matthew posted an identical version of this at the same time I did] Signed-off-by:
Matthew Wilcox <matthew@wil.cx> Signed-off-by:
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Michael Reed authored
An IBM tape drive failed to complete a PERSISTENT RESERVE IN within the scsi cmd timeout. Error recovery was initiated and it sequenced from abort through taking the tape drive offline. The device was taken offline because it repeatedly responded to the TUR command issued by error recovery with a RESERVATION CONFLICT status. The tape drive was reserved to another system. This is perfectly legitimate response to TUR, and is one that an escalation of recovery is unlikely to clear. Further, escalation of recovery can have undesirable side effects on the operation of tape drives shared with other initiators. Instead of escalating recovery, error recovery should treat the RESERVATION CONFLICT response to the TUR as a good status, giving the issuer of the command the opportunity to handle the timeout and reservation conflict. Signed-off-by:
Michael reed <mdr@sgi.com> Signed-off-by:
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Jiri Slaby authored
In nsp_cs_config there is a wrong struct nsp_cs_configdata allocation. It allocates only sizeof(pointer to nsp_cs_configdata) for a whole structure. Add a dereference to the sizeof to allocate sizeof(nsp_cs_configdata). Signed-off-by:
Jiri Slaby <jirislaby@gmail.com> Signed-off-by:
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Davidlohr Bueso A authored
Verify that ch->dt is not NULL before using it. Signed-off-by:
Davidlohr Bueso <dave@gnu.org> Signed-off-by:
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Sage Weil authored
The allocated struct is manually zeroed after allocation, so avoid using the (broken) kzalloc mempool (which does not re-zero previously used items when they are returned to the pool). Acked-by:
Brian King <brking@linux.vnet.ibm.com> Signed-off-by:
Sage Weil <sage@newdream.net> Signed-off-by:
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Giridhar Malavali authored
Signed-off-by:
Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by:
James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by:
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Anirban Chakraborty authored
When the multiqueue mode fails to work, the driver falls back on single queue mode. This ensures that the firmware is reinitialized with single queue options and all the resources are readjusted accordingly. Signed-off-by:
Anirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by:
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Andrew Vasquez authored
Signed-off-by:
Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by:
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Anirban Chakraborty authored
The interrupt handler clears the interrupt status register for response updates in the base queue while working in the multique mode. This could lead to missing interrupt for async events, mail box completions etc. as these are also handled in the base queue. The fix ensures that the interrupt bit is not cleared for response updates in the ISR when the driver is working in multiqueue mode. Signed-off-by:
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Andrew Vasquez authored
Signed-off-by:
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Shyam Sundar authored
One byte added to make the IOCB structure satisfy size requirements. Signed-off-by:
Shyam Sundar <shyam.sundar@qlogic.com> Signed-off-by:
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Santosh Vernekar authored
Signed-off-by:
Santosh Vernekar <santosh.vernekar@qlogic.com> Signed-off-by:
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Lalit Chandivade authored
If vports are created and topology is changed to Loop only, the driver continuously gets a LIP reset occurred and keeps trying to enable the vport. Only manage requests during F_Port. Signed-off-by:
Lalit Chandivade <lalit.chandivade@qlogic.com> Signed-off-by:
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Santosh Vernekar authored
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Santosh Vernekar authored
The RSCN processing is skipped if the event received is global and vha is not recipient. Signed-off-by:
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Andrew Vasquez authored
Treat a global port-unavailable PORT_UPDATE (8014h) AEN as a loop-down event. For this case, within the FCoE domain, the 'logical' interface has been terminated, but the driver will not receive the classic LOOP_DOWN AEN. Signed-off-by:
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Ravi Anand authored
Signed-off-by:
Ravi Anand <ravi.anand@qlogic.com> Signed-off-by:
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Chandra Seetharaman authored
Use scsi_dh_set_params() set parameters provided. Save the parameters in parse_hw_handler() and use it in parse_path(). Reported-by:
Eddie Williams <Eddie.Williams@steeleye.com> Signed-off-by:
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Chandra Seetharaman authored
Handle the parameters provided by user thru multipath. This handler expects only 2 parameters and their value can either be 0 or 1. This code originates from the old dm-emc.c file. Appropriate changes have been made to make it work in the new design. Reported-by:
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Chandra Seetharaman authored
When we moved the device handler functionality from dm layer to SCSI layer we dropped the parameter functionality. This path adds an interface to scsi dh layer to set device handler parameters. Basically, multipath layer need to create a string with all the parameters and call scsi_dh_set_params() after it called scsi_dh_attach() on a device. If a device handler provides such an interface it will handle the parameters as it expects them. Reported-by:
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James Bottomley authored
Now that hot add works correctly, if a new device is added, we're still operating on stale enclosure data, so fix that by updating the enclosure diagnostic pages when we get notified of a device hot add Signed-off-by:
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James Bottomley authored
Right at the moment, hot removal of a device within an enclosure does nothing (because the intf_remove only copes with enclosure removal not with component removal). Fix this by adding a function to remove the component. Also needed to fix the prototype of enclosure_remove_device, since we know the device we've removed but not the internal component number Signed-off-by:
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James Bottomley authored
In a situation either with expanders or with multiple enclosure devices, hot add doesn't always work. This is because we try to find a single enclosure device attached to the host. Fix this by looping over all enclosure devices attached to the host and also by making the find loop recognise that the enclosure devices may be expander remote (i.e. not parented by the host). Signed-off-by:
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Brian King authored
ipr_cmd_label[] isn't big enough for an eight byte string plus terminator. Fix by shortening the string to seven bytes. Signed-off-by:
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Anil Veerabhadrappa authored
When bnx2i_adapter_ready() fails, connection handle(cid) = 0 is wrongly freed because 'cid' is not yet allocated for the endpoint. Fix is to initialize bnx2i_ep->ep_iscsi_cid to '-1' in bnx2i_alloc_ep() and not in bnx2i_ep_connect() to avoid releasing invalid 'cid'. There is already a check in bnx2i_free_iscsi_cid() not to free invalid iscsi connection handle (-1) Signed-off-by:
Anil Veerabhadrappa <anilgv@broadcom.com> Signed-off-by:
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Anil Veerabhadrappa authored
Without the fix bnx2i would fail tt->xmit_task() when link is down and libiscsi would have already incremented session->cmdsn before calling bnx2i's xmit_task() entry point and will just return the command to SCSI-ML when xmit_task() fails. libiscsi does not retract the session->cmdsn as the command was never sent on wire. It is generally good idea for LLD, bnx2i to accept the scsi cmnd/nopout and let upper layer timeout and go though normal session recovery process. When link is down, unsolicited nopout will not be accepted by bnx2i and connection will never enter recovery state. This fix is required for MPIO to work corectly Signed-off-by:
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Vasu Dev authored
The phys_dev was used only to locate common offload EM instance for all FCoE instances on a eth devices in function fcoe_em_config, so just updated fcoe_em_config to look for actual real eth device in locating common offload EM instance and then no need to store phys_dev in fcoe_softc, so removes phys_dev from fcoe_softc also. Renames fcoe_softc real_dev to netdev and updates all its uses to use netdev. So effectively no functional change, use of single netdev instead phys_dev and real_dev saves one pointer memory in fcoe_softc, also real_dev used here was confusing with vlan driver terminology since real_dev in vlan driver is referred to physical eth device. Signed-off-by:
Vasu Dev <vasu.dev@intel.com> Signed-off-by:
Robert Love <robert.w.love@intel.com> Signed-off-by:
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