- Jan 03, 2020
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Sreekanth Reddy authored
Remove usage of device_busy counter from driver. Instead of device_busy counter now driver uses 'nr_active' counter of request_queue to get the number of inflight request for a LUN. Link: https://lore.kernel.org/r/20191226111333.26131-10-sreekanth.reddy@broadcom.com Signed-off-by:
Sreekanth Reddy <sreekanth.reddy@broadcom.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Sreekanth Reddy authored
Print the function name in which MPT command got timed out. This will facilitate debugging in which path corresponding MPT command got timeout in first failure instance of log itself. Link: https://lore.kernel.org/r/20191226111333.26131-9-sreekanth.reddy@broadcom.com Signed-off-by:
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Sreekanth Reddy authored
This improves mpt3sas driver default debug information collection and allows for a higher percentage of issues being able to be resolved with a first-time data capture. However, this improvement to balance the amount of debug data captured with the performance of driver. Enabled below print messages with out affecting the IO performance, 1. When task abort TM is received then print IO commands's timeout value and how much time this command has been outstanding. 2. Whenever hard reset occurs then print from where this hard reset has been issued. 3. Failure message should be displayed for failure scenarios without any logging level. 4. Added a print after driver successfully register or unregistered a target drive with the SML. This print will be useful for debugging the issue where the drive addition or deletion is hanging at SML. 5. During driver load time print request, reply, sense and config page pool's information such as its address, length and size. Also printed sg_tablesize information. Link: https://lore.kernel.org/r/20191226111333.26131-8-sreekanth.reddy@broadcom.com Signed-off-by:
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Sreekanth Reddy authored
When Firmware fault occurs then print in which path firmware fault has occurred. This will be useful while debugging the firmware fault issues. Link: https://lore.kernel.org/r/20191226111333.26131-7-sreekanth.reddy@broadcom.com Signed-off-by:
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Sreekanth Reddy authored
Watchdog thread polls for IOC state every 1 second. If it detects that IOC state is in CoreDump state then it immediately stops the IOs and also clears the outstanding commands issued to the HBA firmware and then it will poll for IOC state to be out of CoreDump state and once it detects that IOC state is changed from CoreDump state to Fault state (or) CoreDumpTOSec number of seconds are elapsed then it will issue host reset operation and moves the IOC state to Operational state and resumes the IOs. Whenever any TM is received from SML then if driver detects the IOC state is in CoreDump state then it will wait for CoreDump state to be cleared and will host reset operation. Link: https://lore.kernel.org/r/20191226111333.26131-6-sreekanth.reddy@broadcom.com Signed-off-by:
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Sreekanth Reddy authored
New feature is added in HBA firmware where it copies the collected firmware logs in flash region named 'CoreDump' whenever HBA firmware faults occur. For copying the logs to CoreDump flash region firmware needs some time and hence it has introduced a new IOC state named "CoreDump" State. Whenever driver detects the CoreDump state then it means that some firmware fault has occurred and firmware is copying the logs to the coredump flash region. During this time driver should not perform any operation with the HBA, driver should wait for HBA firmware to move the IOC state from 'CoreDump' state to 'Fault' state once it's done with copying the logs to coredump region. Once driver detects the Fault state then it will issue the diag reset/host reset operation to move the IOC state from Fault to Operational state. Here the valid IOC state transactions w.r.t to this CoreDump state feature, Operational -> Fault: The IOC transitions to the Fault state when an operational error occurs AND CoreDump is not supported (or disabled) by the firmware(FW). Operational -> CoreDump: The IOC transitions to the CoreDump state when an operational error occurs AND CoreDump is supported & enabled by the FW. CoreDump -> Fault: A transition from CoreDump state to Fault state happens when the FW completes the CoreDump collection. CoreDump -> Reset: A transition out of the CoreDump state happens when the host sets the Reset Adapter bit in the System Diagnostic Register (Hard Reset). This reset action indicates that CoreDump took longer than the host time out. Firmware informs the driver about the maximum time that driver has to wait for firmware to transition the IOC state from 'CoreDump' to 'FAULT' state through 'CoreDumpTOSec' field of ManufacturingPage11 page. if this 'CoreDumpTOSec' field value is zero then driver will wait for max 15 seconds. Driver informs the HBA firmware that it supports this new IOC state named 'CoreDump' state by enabling COREDUMP_ENABLE flag in ConfigurationFlags field of ioc init request message. Current patch handles the CoreDump state only during HBA initialization and release scenarios where watchdog thread (which polls the IOC state in every one second) is disabled. Next subsequent patch handle the CoreDump state when watchdog thread is enabled. During HBA initialization or release execution time if driver detects the CoreDump state then driver will wait for maximum CoreDumpTOSec value seconds for FW to copy the logs. After that it will issue the diag reset operation to move the IOC state to Operational state. Link: https://lore.kernel.org/r/20191226111333.26131-5-sreekanth.reddy@broadcom.com Signed-off-by:
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Sreekanth Reddy authored
Renamed _base_after_reset_handler function to _base_clear_outstanding_commands so that it can be used in multiple scenarios with suitable name which matches with the operation it does. Also renamed its child functions. No functional changes. Link: https://lore.kernel.org/r/20191226111333.26131-4-sreekanth.reddy@broadcom.com Signed-off-by:
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Sreekanth Reddy authored
Introduce function _scsih_nvme_shutdown() to issue IO Unit Control message to IOC firmware with operation code 'shutdown'. This causes IOC firmware to issue NVMe shutdown commands to all NVMe drives attached to it. NVMe Shutdown: NVMe devices need to have a specific shutdown sequence performed before power is removed. For this, the IOC firmware needs to be notified when the system is being shutdown. So during the system shutdown time, driver issues an IO Unit Control request with operation code MPI26_CTRL_OP_SHUTDOWN to inform firmware that a shutdown is initiated. This shutdown command is issued only if NVMe devices are attached to the controller. During each NVMe device addition, driver reads pcie device page2 to get shutdown latency (e.g. drive's RTD3 Entry Latency) and updates the max latency value among the added NVMe drives in ioc->max_shutdown_latency. This is used as the timeout value for IO Unit Control command at the time of shutdown. When a NVMe drive is removed and its shutdown latency matches which ioc->max_shutdown_latency then ioc->max_shutdown_latency is updated to next max value (by iterating over the list of available devices). If the shutdown latency is 0, then default timeout is set to six seconds. Link: https://lore.kernel.org/r/20191226111333.26131-3-sreekanth.reddy@broadcom.com Signed-off-by:
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Sreekanth Reddy authored
Update MPI Headers to version 02.00.57. Link: https://lore.kernel.org/r/20191226111333.26131-2-sreekanth.reddy@broadcom.com Signed-off-by:
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Stanley Chu authored
Enable clk-gating with customized delayed timer value in MediaTek Chipsets. Cc: Alim Akhtar <alim.akhtar@samsung.com> Cc: Avri Altman <avri.altman@wdc.com> Cc: Bart Van Assche <bvanassche@acm.org> Cc: Bean Huo <beanhuo@micron.com> Cc: Can Guo <cang@codeaurora.org> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Matthias Brugger <matthias.bgg@gmail.com> Link: https://lore.kernel.org/r/1577683950-1702-7-git-send-email-stanley.chu@mediatek.com Reviewed-by:
Alim Akhtar <alim.akhtar@samsung.com> Signed-off-by:
Stanley Chu <stanley.chu@mediatek.com> Signed-off-by:
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Stanley Chu authored
Configure customized auto-hibern8 timer in MediaTek Chipsets. Cc: Alim Akhtar <alim.akhtar@samsung.com> Cc: Avri Altman <avri.altman@wdc.com> Cc: Bart Van Assche <bvanassche@acm.org> Cc: Bean Huo <beanhuo@micron.com> Cc: Can Guo <cang@codeaurora.org> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Matthias Brugger <matthias.bgg@gmail.com> Link: https://lore.kernel.org/r/1577683950-1702-6-git-send-email-stanley.chu@mediatek.com Reviewed-by:
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Stanley Chu authored
Export ufshcd_auto_hibern8_update to allow vendors to use common interface to customize auto-hibernate timer. Cc: Alim Akhtar <alim.akhtar@samsung.com> Cc: Avri Altman <avri.altman@wdc.com> Cc: Bart Van Assche <bvanassche@acm.org> Cc: Bean Huo <beanhuo@micron.com> Cc: Can Guo <cang@codeaurora.org> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Matthias Brugger <matthias.bgg@gmail.com> Link: https://lore.kernel.org/r/1577683950-1702-5-git-send-email-stanley.chu@mediatek.com Reviewed-by:
Asutosh Das <asutoshd@codeaurora.org> Reviewed-by:
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Stanley Chu authored
Introduce reference clock control in MediaTek Chipset in order to disable it if it is not necessary by UFS device to save system power. Currently reference clock can be disabled during system suspend, runtime suspend and clock-gating after link enters hibernate state. Cc: Alim Akhtar <alim.akhtar@samsung.com> Cc: Avri Altman <avri.altman@wdc.com> Cc: Bart Van Assche <bvanassche@acm.org> Cc: Bean Huo <beanhuo@micron.com> Cc: Can Guo <cang@codeaurora.org> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Matthias Brugger <matthias.bgg@gmail.com> Link: https://lore.kernel.org/r/1577683950-1702-4-git-send-email-stanley.chu@mediatek.com Reviewed-by:
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Stanley Chu authored
Add device reset vops implementation in MediaTek UFS driver. Cc: Alim Akhtar <alim.akhtar@samsung.com> Cc: Avri Altman <avri.altman@wdc.com> Cc: Bart Van Assche <bvanassche@acm.org> Cc: Bean Huo <beanhuo@micron.com> Cc: Can Guo <cang@codeaurora.org> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Matthias Brugger <matthias.bgg@gmail.com> Link: https://lore.kernel.org/r/1577683950-1702-3-git-send-email-stanley.chu@mediatek.com Reviewed-by:
Avri Altman <avri.altman@wdc.com> Signed-off-by:
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Stanley Chu authored
Add a common header for the SiP service interface in MediaTek Chipsets. Cc: Alim Akhtar <alim.akhtar@samsung.com> Cc: Avri Altman <avri.altman@wdc.com> Cc: Bart Van Assche <bvanassche@acm.org> Cc: Bean Huo <beanhuo@micron.com> Cc: Can Guo <cang@codeaurora.org> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Matthias Brugger <matthias.bgg@gmail.com> Link: https://lore.kernel.org/r/1577683950-1702-2-git-send-email-stanley.chu@mediatek.com Signed-off-by:
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Nishad Kamdar authored
This patch corrects the SPDX License Identifier style in header file related to UFS Host Controller. It assigns explicit block comment to the SPDX License Identifier. Changes made by using a script provided by Joe Perches here: https://lkml.org/lkml/2019/2/7/46. Link: https://lore.kernel.org/r/5ca6287665fe52d8f40062e0eab8561d2b7a5b40.1577511720.git.nishadkamdar@gmail.com Suggested-by:
Joe Perches <joe@perches.com> Signed-off-by:
Nishad Kamdar <nishadkamdar@gmail.com> Signed-off-by:
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Nishad Kamdar authored
This patch corrects the SPDX License Identifier style in header files related to Mylex DAC960/DAC1100 PCI RAID Controllers. It assigns explicit block comment to the SPDX License Identifier. Changes made by using a script provided by Joe Perches here: https://lkml.org/lkml/2019/2/7/46. Link: https://lore.kernel.org/r/88332ad390f985bdebb9f2adaf2d499b0a639753.1577511720.git.nishadkamdar@gmail.com Suggested-by:
Hannes Reinecke <hare@suse.com> Signed-off-by:
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Bart Van Assche authored
The UFS SCSI timeout handler was needed to compensate that ufshcd_queuecommand() could return SCSI_MLQUEUE_HOST_BUSY for a long time. Commit a276c19e3e98 ("scsi: ufs: Avoid busy-waiting by eliminating tag conflicts") fixed this so the timeout handler is no longer necessary. See also commit f550c65b ("scsi: ufs: implement scsi host timeout handler"). Cc: Bean Huo <beanhuo@micron.com> Cc: Can Guo <cang@codeaurora.org> Cc: Avri Altman <avri.altman@wdc.com> Cc: Stanley Chu <stanley.chu@mediatek.com> Cc: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20191224220248.30138-7-bvanassche@acm.org Reviewed-by:Can Guo <cang@codeaurora.org> Reviewed-by:
Bart Van Assche <bvanassche@acm.org> Signed-off-by:
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Bart Van Assche authored
Starting execution of a command before tracing a command may cause the completion handler to free data while it is being traced. Fix this race by tracing a command before it is submitted. Cc: Bean Huo <beanhuo@micron.com> Cc: Can Guo <cang@codeaurora.org> Cc: Avri Altman <avri.altman@wdc.com> Cc: Stanley Chu <stanley.chu@mediatek.com> Cc: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20191224220248.30138-5-bvanassche@acm.org Reviewed-by:
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Bart Van Assche authored
Since the lrbp->cmd expression occurs multiple times, introduce a new local variable to hold that pointer. This patch does not change any functionality. Cc: Bean Huo <beanhuo@micron.com> Cc: Can Guo <cang@codeaurora.org> Cc: Avri Altman <avri.altman@wdc.com> Cc: Stanley Chu <stanley.chu@mediatek.com> Cc: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20191224220248.30138-4-bvanassche@acm.org Reviewed-by:
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Bart Van Assche authored
Since the lrbp->cmd expression occurs multiple times, introduce a new local variable to hold that pointer. This patch does not change any functionality. Cc: Bean Huo <beanhuo@micron.com> Cc: Can Guo <cang@codeaurora.org> Cc: Avri Altman <avri.altman@wdc.com> Cc: Stanley Chu <stanley.chu@mediatek.com> Cc: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20191224220248.30138-3-bvanassche@acm.org Reviewed-by:
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Bart Van Assche authored
Remove a space that occurs after a tab. Cc: Bean Huo <beanhuo@micron.com> Cc: Can Guo <cang@codeaurora.org> Cc: Avri Altman <avri.altman@wdc.com> Cc: Stanley Chu <stanley.chu@mediatek.com> Cc: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20191224220248.30138-2-bvanassche@acm.org Reviewed-by:
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Stanley Chu authored
We already have ufshcd_vops_dbg_register_dump() thus all "hba->vops->dbg_register_dump" references can be replaced by it. Link: https://lore.kernel.org/r/1577192466-20762-3-git-send-email-stanley.chu@mediatek.com Reviewed-by:
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Stanley Chu authored
Currently UFS driver has ufshcd_scsi_block_requests() with reference counter mechanism to avoid possible racing of blocking and unblocking requests flow. Unify all users in UFS driver to use the same function. Link: https://lore.kernel.org/r/1577192466-20762-2-git-send-email-stanley.chu@mediatek.com Reviewed-by:
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Damien Le Moal authored
Now that the block layer implement zone checks on revalidate, sd_zbc_check_zones() is reduced getting the zone size and verifying the device capacity for device with RC_BASIS=0. Be clear about this by renaming sd_zbc_check_zones() to sd_zbc_check_capacity() and updating the function description and comments. Link: https://lore.kernel.org/r/20191220075823.400072-3-damien.lemoal@wdc.com Signed-off-by:
Damien Le Moal <damien.lemoal@wdc.com> Signed-off-by:
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Damien Le Moal authored
Now that the block layer generic zone revalidation code in blk_revalidate_disk_zones() checks for power of 2 zone size, there is no need to do it in sd_zbc_check_zones(). Remove this check. Link: https://lore.kernel.org/r/20191220075823.400072-2-damien.lemoal@wdc.com Signed-off-by:
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Bart Van Assche authored
This patch improves readability and does not change any functionality. Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Quinn Tran <qutran@marvell.com> Cc: Martin Wilck <mwilck@suse.com> Cc: Daniel Wagner <dwagner@suse.de> Cc: Roman Bolshakov <r.bolshakov@yadro.com> Link: https://lore.kernel.org/r/20191219005050.40193-1-bvanassche@acm.org Reviewed-by:
Daniel Wagner <dwagner@suse.de> Reviewed-by:
Roman Bolshakov <r.bolshakov@yadro.com> Signed-off-by:
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Bart Van Assche authored
Since qla82xx_get_fw_size() returns a number in CPU-endian format, change its return type from __le32 into u32. This patch does not change any functionality. Fixes: 9c2b2975 ("[SCSI] qla2xxx: Support for loading Unified ROM Image (URI) format firmware file.") Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Quinn Tran <qutran@marvell.com> Cc: Martin Wilck <mwilck@suse.com> Cc: Daniel Wagner <dwagner@suse.de> Cc: Roman Bolshakov <r.bolshakov@yadro.com> Link: https://lore.kernel.org/r/20191219004905.39586-1-bvanassche@acm.org Reviewed-by:
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Bart Van Assche authored
Declare qla_hw_data.flt as a qla_flt_header pointer instead of as a void pointer. Add a zero-length array at the end of struct qla_flt_header to make it clear that qla_flt_header and qla_flt_region are contiguous. This patch removes several casts but does not change any functionality. Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Quinn Tran <qutran@marvell.com> Cc: Martin Wilck <mwilck@suse.com> Cc: Daniel Wagner <dwagner@suse.de> Cc: Roman Bolshakov <r.bolshakov@yadro.com> Link: https://lore.kernel.org/r/20191219004706.39039-1-bvanassche@acm.org Reviewed-by:
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- Dec 22, 2019
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John Garry authored
Currently we use a mixture of %016llx, %llx, and %16llx when printing a SAS address. Since the most significant nibble of the SAS address is always 5 - as per standard - this formatting is not so important; but some fake SAS addresses for SATA devices may not be. And we have mangled/invalid address to consider also. And it's better to be consistent in the code, so use a fixed format. The SAS address is a fixed size at 64b, so we want to 0 byte extend to 16 nibbles, so use %016llx globally. Also make some prints to be explicitly hex, and tidy some whitespace issue. Link: https://lore.kernel.org/r/1576758957-227350-1-git-send-email-john.garry@huawei.com Signed-off-by:
John Garry <john.garry@huawei.com> Signed-off-by:
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James Smart authored
Update lpfc version to 12.6.0.3 Link: https://lore.kernel.org/r/20191218235808.31922-11-jsmart2021@gmail.com Signed-off-by:
Dick Kennedy <dick.kennedy@broadcom.com> Signed-off-by:
James Smart <jsmart2021@gmail.com> Signed-off-by:
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James Smart authored
Current driver code looks at iocb types and uses a "==" comparison on the flags to determine type. If another flag were set, it would disrupt the comparison. Fix by converting to a bitwise & operation. Link: https://lore.kernel.org/r/20191218235808.31922-10-jsmart2021@gmail.com Signed-off-by:
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James Smart authored
When running Cisco-MDS diagnostics which perform driver-level frame loop back, the switch is reporting errors. Diagnostic has a limit on latency that is not being met by the driver. The requirement of Latency frames is that they should be responded back by the host with a maximum delay of few hundreds of microseconds. If the switch doesn't get response frames within this time frame, it fails the test. Test is failing as the lpfc-wq workqueue was overwhelmed by the packet rate and in some cases, the work element yielded to other kernel elements. To resolve, reduce the outstanding load allowed by the adapter. This ensures the driver spends a reasonable amount of time doing loopback and can do so such that latency values can be met. Load is managed by reducing the number of receive buffers posted such that the link can be backpressured to reduce load. Link: https://lore.kernel.org/r/20191218235808.31922-9-jsmart2021@gmail.com Signed-off-by:
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James Smart authored
When unattaching, the driver did not unmap the DPP bar. This caused the next load of the driver, which attempts to enable wc, to not work correctly and wc to be disabled due to an address mapping overlap. Fix by unmapping on unattach. Link: https://lore.kernel.org/r/20191218235808.31922-8-jsmart2021@gmail.com Signed-off-by:
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James Smart authored
The order of the flags/checks for adapters where FC-AL is supported erroneously excluded lpe35000 adapter models. Also noted that the G7 flags for Loop and Persistent topology are incorrect. They should follow the rules as G6. Rework the logic to enable LPe35000 FC-AL support. Collapse G7 support logic to the same rules as G6. Link: https://lore.kernel.org/r/20191218235808.31922-7-jsmart2021@gmail.com Signed-off-by:
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James Smart authored
/sys/kernel/debug/lpfc/fn0/ras_log always shows the same ras_log even if there are link bounce events triggered via issue_lip Dynamic FW logging had logic that prematurely breaks from the buffer filling loop. Fix the check for buffer overrun by looking before copying and restricting copy length to the remaining buffer. When copying, ensure space for NULL character is left in the buffer. While in the routine - ensure the buffer is cleared before adding elements. Link: https://lore.kernel.org/r/20191218235808.31922-6-jsmart2021@gmail.com Signed-off-by:
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James Smart authored
There are reports of multiple ports on the same system displaying different hostnames in fabric FDMI displays. Currently, the driver registers the hostname at initialization and obtains the hostname via init_utsname()->nodename queried at the time the FC link comes up. Unfortunately, if the machine hostname is updated after initialization, such as via DHCP or admin command, the value registered initially will be incorrect. Fix by having the driver save the hostname that was registered with FDMI. The driver then runs a heartbeat action that will check the hostname. If the name changes, reregister the FMDI data. The hostname is used in RSNN_NN, FDMI RPA and FDMI RHBA. Link: https://lore.kernel.org/r/20191218235808.31922-5-jsmart2021@gmail.com Signed-off-by:
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James Smart authored
When the WriteObject mailbox response has change_status set to is 0x2 (Firmware Reset) or 0x04 (Port Migration Reset), the CSF field should also be checked to see if a fw reset is sufficient to enable all new features in the updated firmware image. If not, a fw reset would start the new firmware, but with a feature level equal to existing firmware. To enable the new features, a chip reset/pci slot reset would be required. Check the CSF bit when change_status is 0x2 or 0x4 to know whether to perform a pci bus reset or fw reset. Link: https://lore.kernel.org/r/20191218235808.31922-4-jsmart2021@gmail.com Signed-off-by:
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James Smart authored
This patch reworks the fdmi symbolic node name data for the following two issues: - Correcting extraneous periods following the DV and HN fdmi data fields. - Avoiding buffer overflow issues when formatting the data. The fix to the fist issue is to just remove the characters. The fix to the second issue has all data being staged in temporary storage before being moved to the real buffer. Link: https://lore.kernel.org/r/20191218235808.31922-3-jsmart2021@gmail.com Signed-off-by:
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James Smart authored
NVMe device re-discovery does not complete. Dev_loss_tmo messages seen on initiator after recovery from a link disturbance. The failing case is the following: When the driver (as a NVME target) receives a PLOGI, the driver initiates an "unreg rpi" mailbox command. While the mailbox command is in progress, the driver requests that an ACC be sent to the initiator. The target's ACC is received by the initiator and the initiator then transmits a PLOGI. The driver receives the PLOGI prior to receiving the completion for the PLOGI response WQE that sent the ACC. (Different delivery sources from the hw so the race is very possible). Given the PLOGI is prior to the ACC completion (signifying PLOGI exchange complete), the driver LS_RJT's the PRLI. The "unreg rpi" mailbox then completes. Since PRLI has been received, the driver transmits a PLOGI to restart discovery, which the initiator then ACC's. If the driver processes the (re)PLOGI ACC prior to the completing the handling for the earlier ACC it sent the intiators original PLOGI, there is no state change for completion of the (re)PLOGI. The ndlp remains in "PLOGI Sent" and the initiator continues sending PRLI's which are rejected by the target until timeout or retry is reached. Fix by: When in target mode, defer sending an ACC for the received PLOGI until unreg RPI completes. Link: https://lore.kernel.org/r/20191218235808.31922-2-jsmart2021@gmail.com Signed-off-by:
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