- 04 Jan, 2018 40 commits
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Quinn Tran authored
Immeadiate flag is not used for scheduling session deletion. Remove it to simplfy session deletion code path. Signed-off-by:
Quinn Tran <quinn.tran@cavium.com> Signed-off-by:
Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Quinn Tran authored
This patch adds check for pending work event before queueing relogin work to prevent redundant work to be active at the same time. Signed-off-by:
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Quinn Tran authored
Add check to allow single discovery command per session to be sent Signed-off-by:
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Quinn Tran authored
Switch scan is assumed to succeed most of the time. If the scan failed, then scan is limit 5 retries. Signed-off-by:
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Quinn Tran authored
Delay loop id allocation to login time Signed-off-by:
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Quinn Tran authored
Add verbose bit for debug messages to reduce excessive log messages Signed-off-by:
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himanshu.madhani@cavium.com authored
When any kind of reset is issued, current code was setting state of LOGIN pending too early. This resulted into driver not retrying relogin until pervious reloin completes. Signed-off-by:
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Quinn Tran authored
add ability to use gpnft/gnnft to handle RSCN. Signed-off-by:
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Quinn Tran authored
This patch fixes issue with extraction of ADISC error codes for decoding the error returned Signed-off-by:
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Quinn Tran authored
retry gpnft/gnnft if error is encountered. Signed-off-by:
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Quinn Tran authored
Current code creates a session when a new port is discovered, and a PLOGI/PRLI is received. There is no need to create session when command has arrived. Signed-off-by:
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Quinn Tran authored
Migrate switch registration commands: RFTID, RFFID, RNNID and RSNN_NN out of mailbox interface to reduce fabric scan bottle neck. Signed-off-by:
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Quinn Tran authored
Relogin stop moving forward due to improper check of scan_state flag. Signed-off-by:
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Quinn Tran authored
Add NPIV id check to reduce multiple debug messages of the same RSCN event. Signed-off-by:
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Quinn Tran authored
reduce usage of terminate exchange when command encounter resource bottle neck. Remote initiator view it as command drop. Signed-off-by:
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Quinn Tran authored
Host lookup via btree is currently protected by the hardware_lock. Add hardware_lock when modifying btree to store host pointer. Signed-off-by:
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Quinn Tran authored
- add "async" gpn_ft, gnn_ft, gfpn_id, gnn_id switch commands. - For 8G and newer adapters, use async commands when it comes to fabric scan to reduce bottle neck. Signed-off-by:
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himanshu.madhani@cavium.com authored
Signed-off-by:
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Quinn Tran authored
When connection type is N_Port to N_Port (point-to-point), there is a possibilty where initiator will not send PLOGI request and will directly send PRLI. In N2N connection the port has higher port name sends the PLOGI but not allow to send PRLI if is a target mode. Only initiator is allowed to send PRLI. Current driver code deletes old session when it receives PLOGI request. If we will not receive PLOGI request then we will not delete old session and create new session. Add check for N2N with PRLI receive only and trigger cleanup. For this case, the cleanup requires individual cmd abort instead of using implicit logout as a broad stroke flush. Signed-off-by:
Krishna Kant <krishna.kant@purestorage.com> Signed-off-by:
Alexei Potashnik <alexei@purestorage.com> Signed-off-by:
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Quinn Tran authored
Fetch actual data from firmware instead of static data at chip reset time. Signed-off-by:
Quinn Tran <quinn.tran@qlogic.com> Signed-off-by:
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Quinn Tran authored
For Dual Mode, Initiator side of the driver finish login, target side receive PRLI, but driver terminates PRLI. This patch allows target side to go ahead and accept PRLI. Signed-off-by:
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Giridhar Malavali authored
The logo ELS command allocates dma coherent memory for the data payload and serialize the completions. When this command times out, the timeout routine completes the thread waiting for completion which in turn cleanup resources allocated for this ELS command processing. Don't call generic sp->free routine when this ELS command times out to avoid to double freeing of the same resources. Signed-off-by:
Giridhar Malavali <giridhar.malavali@cavium.com> Signed-off-by:
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Quinn Tran authored
Add ability to send Implicit PRLO to flush IOs from FW back to driver. Signed-off-by:
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Quinn Tran authored
Add option to tell FW to reserve 1/2 of emergency exchanges for ELS. Signed-off-by:
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Quinn Tran authored
For ISP27XX, use shadow register to read FW provided REQQ's consumer index. The shadow register is dma'ed by firmware. Signed-off-by:
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Quinn Tran authored
Enable ATIO Q interrupt handshake for ISP27XX. This patch coalesce ATIO's interrupts for Quad port ISP27XX adapter. Interrupt coalesce allows performance to scale for this specific case. Signed-off-by:
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Quinn Tran authored
DPC thread can stall during switch scan due to slow switch response. This will stall other work element that needs attention. Moving work element processing and relogin logic out of DPC thread and into its own work queue. Signed-off-by:
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Quinn Tran authored
Replace call to Get Port DataBase MB with PDO_FORCE_ADISC flag with async ADISC command so driver can see ADISC command has error or not. Signed-off-by:
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Quinn Tran authored
This patch adjusts and reallocates fw_dump memory for target mode to save for extended login and exchange offload buffers into dump captured. Signed-off-by:
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Quinn Tran authored
As part of chip reset, all commands from all QPairs are flushed. This patch fixes code to use Q Pair lock for flush instead of using old hardware_lock. Signed-off-by:
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Quinn Tran authored
Max boundary for exchange off load is 32k exchanges. If a system is unable to allocate large memory buffer to support this feature, then driver will reduce the number of exchanges down to a value system can support. Signed-off-by:
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Quinn Tran authored
Current code uses Stop Firmware MB cmd to stop the chip before driver unload. This will leave the laser in its current state. This give the illusion of this adapter is still alive. For 8G & newer adapters, use chip reset to stop the chip and bring down the laser. Signed-off-by:
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Quinn Tran authored
Use IOCB patch to submit Control VP MBX command to reduce bottle-neck for mbx interface. Signed-off-by:
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Quinn Tran authored
when processing iocb in a timeout case, driver was trying to log messages without verifying if the fcport structure could have valid data. This results in a NULL pointer access. Fixes: 726b8548("qla2xxx: Add framework for async fabric discovery") Signed-off-by:
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Julia Lawall authored
hpsa_show_dev_msg prints other information and a newline after the message string, so the message string does not need to include a newline explicitly. Done using Coccinelle. Signed-off-by:
Julia Lawall <Julia.Lawall@lip6.fr> Acked-by:
Don Brace <don.brace@microsemi.com> Signed-off-by:
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Raghava Aditya Renukunta authored
Update driver Version to 50877 Signed-off-by:
Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com> Signed-off-by:
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Raghava Aditya Renukunta authored
Earlier driver would scan throgh all supported buses and targets and add devices that responded. It would add devices that were _hidden_ by the fw. Driver would invalidate commands sent to _hidden_ devices via the AAC_HIDE_DISK check. Since the driver now adds only the devices that are supposed to be exposed, this code can be removed. Signed-off-by:
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Raghava Aditya Renukunta authored
Remove unused rescan variable. Signed-off-by:
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Raghava Aditya Renukunta authored
There is a chance of the driver to be stuck in kdump if drives start acting up in kdump discovery process and the kernel decides to send eh resets, which would prompt rescan to be scheduled. Do not perform a rescan in kdump context, since we do not expect a hotplug event during kdump and all the devices are going to go away anyway. Signed-off-by:
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Raghava Aditya Renukunta authored
Add back the ability to scan for hotplug changes while eh was in progress. Schedule a rescan for a later time in the eh recovery code and wait for eh to complete in the rescan worker. Signed-off-by:
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