- 04 Jan, 2018 40 commits
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Meelis Roos authored
The battery in my HP NetRAID-4M died of old age, and the aacraid driver started oopsing with NULL pointer dereference on startup after that. Fix it by reordering the init sequence to fill in function pointers before ioremapping memory, or dev->a_ops.adapter_ioremap pointer will be NULL. Other subtypes of aacraid seem to have the order already correct. This was the call trace: ? aac_probe_one+0x7a5/0xb30 [aacraid] pci_device_probe+0xc0/0x1a0 driver_probe_device+0x1df/0x3b0 __driver_attach+0xa9/0xe0 ? driver_probe_device+0x3b0/0x3b0 bus_for_each_dev+0x4c/0x90 driver_attach+0x1d/0x40 ? driver_probe_device+0x3b0/0x3b0 bus_add_driver+0x1a7/0x2a0 driver_register+0x6e/0x130 __pci_register_driver+0x54/0x90 ? 0xf81f4000 aac_init+0x2b/0x1000 [aacraid] do_one_initcall+0x45/0x1e0 ? kfree_skbmem+0x74/0xa0 ? kfree+0x16d/0x240 ? kvfree+0x45/0x50 ? kvfree+0x45/0x50 ? __vunmap+0x99/0x120 ? do_init_module+0x1a/0x245 do_init_module+0x83/0x245 load_module+0x2764/0x34a0 ? kernel_read_file+0x150/0x320 SyS_finit_module+0x82/0xa0 do_fast_syscall_32+0xba/0x340 Signed-off-by:
Meelis Roos <mroos@linux.ee> Reviewed-by:
Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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himanshu.madhani@cavium.com authored
Signed-off-by:
Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by:
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Quinn Tran authored
Add free_pending flag to serialize queueing of free_work element onto the work queue Signed-off-by:
Quinn Tran <quinn.tran@cavium.com> Signed-off-by:
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Quinn Tran authored
for session deletion, replace sess_lock with work_lock. Under certain case sess_lock is not feasiable to acquire. The lock is needed temporarily to make sure a single call to schedule of the work element. Signed-off-by:
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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:
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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:
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