- Jan 23, 2018
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Himanshu Madhani authored
Commit 3515832c ("scsi: qla2xxx: Reset the logo flag, after target re-login.")fixed the target re-login after session relogin is complete, but missed out the qlt_free_session_done() path. This patch clears send_els_logo flag in qlt_free_session_done() callback. [mkp: checkpatch] Fixes: 3515832c ("scsi: qla2xxx: Reset the logo flag, after target re-login.") Signed-off-by:
Himanshu Madhani <hmadhani@redhat.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Arnd Bergmann authored
The arcmsr uses its own implementation of time_to_tm(), along with do_gettimeofday() to read the current time. While the algorithm used here is fine in principle, it suffers from two problems: - it assigns the seconds portion of the timeval to a 32-bit unsigned integer that overflows in 2106 even on 64-bit architectures. - do_gettimeofday() returns a time_t that overflows in 2038 on all 32-bit systems. This changes the time retrieval function to ktime_get_real_seconds(), which returns a proper 64-bit value, and replaces the open-coded time_to_tm() algorithm with a call to the safe time64_to_tm(). I checked way all numbers are indexed and found that months are given in range 0..11 while the days are in range 1..31, same as 'struct tm', but the year value that the firmware expects starts in 2000 while 'struct tm' is based on year 1900, so it needs a small adjustment. [mkp: checkpatch tweaks] Fixes: b416c099 ("scsi: arcmsr: Add a function to set date and time to firmware") Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Acked-by:
Ching Huang <ching2048@areca.com.tw> Signed-off-by:
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Hannes Reinecke authored
Some older devices will return vendor specific sense codes, so we should be adding a definition for it. Signed-off-by:
Hannes Reinecke <hare@suse.com> Reviewed-by:
Bart Van Assche <bart.vanassche@wdc.com> Signed-off-by:
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Manish Rangankar authored
We get stuck in the loop when firmware sends a cqe response during connection recovery. Signed-off-by:
Manish Rangankar <manish.rangankar@cavium.com> Signed-off-by:
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Arnd Bergmann authored
While testing with the ARM specific memset() macro removed, I ran into a compiler warning that shows an old bug: drivers/scsi/arm/fas216.c: In function 'fas216_rq_sns_done': drivers/scsi/arm/fas216.c:2014:40: error: argument to 'sizeof' in 'memset' call is the same expression as the destination; did you mean to provide an explicit length? [-Werror=sizeof-pointer-memaccess] It turns out that the definition of the scsi_cmd structure changed back in linux-2.6.25, so now we clear only four bytes (sizeof(pointer)) instead of 96 (SCSI_SENSE_BUFFERSIZE). I did not check whether we actually need to initialize the buffer here, but it's clear that if we do it, we should use the correct size. Fixes: de25deb1 ("[SCSI] use dynamically allocated sense buffer") Signed-off-by:
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Christopher Díaz Riveros authored
Trivial fix removes unneeded semicolons after switch blocks. This issue was detected by using the Coccinelle software. Signed-off-by:
Christopher Díaz Riveros <chrisadr@gentoo.org> Acked-by:
Tyrel Datwyler <tyreld@linux.vnet.ibm.com> Signed-off-by:
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Xiang Chen authored
When device gone, NULL pointer can be accessed in free_device callback if during SAS controller reset as we clear structure sas_dev prior. Actually we can only set dev_type as SAS_PHY_UNUSED and not clear structure sas_dev as all the members of structure sas_dev will be re-initialized after device found. Signed-off-by:
Xiang Chen <chenxiang66@hisilicon.com> Signed-off-by:
John Garry <john.garry@huawei.com> Signed-off-by:
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Xiaofei Tan authored
This patch implements LED feature of directly attached disk for v2 hw. As libsas has provided an interface lldd_write_gpio() for this feature, we just need realise the interface following SPGIO API. We use an CPLD to finish the hardware part of this feature, and the base address of CPLD should be configured through ACPI or DT tables. Signed-off-by:
Xiaofei Tan <tanxiaofei@huawei.com> Signed-off-by:
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Xiaofei Tan authored
Add directly attached disk LED feature for v2 hw. Signed-off-by:
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Shivasharan S authored
NVMe passthrough via MFI interface. Current MegaRAID product supports different types of encapsulation via the MFI framework. NVMe native command should be framed by application and it should be embedded in MFI as payload. The driver will provide interface to send the MFI frame along with the payload (in this case, payload is NVMe native command) to the firmware. Driver already has an existing, similar interface for SATA and SMP passthrough. 1. Driver will pass MFI command to the firmware if the latter supports NVMe encapsulated processing (not all SAS3.5 firmware supports this feature). 2. Driver exposes sysfs entry support_nvme_encapsulation. This is required for backward compatibility for applications using earlier driver versions that did not process IOCTL frames and could result in host hang. This is already fixed as part of commit 82add4e1 ("scsi: megaraid_sas: Incorrect processing of IOCTL frames for SMP/STP commands") [mkp: clarified commit message] Signed-off-by:
Sumit Saxena <sumit.saxena@broadcom.com> Signed-off-by:
Shivasharan S <shivasharan.srikanteshwara@broadcom.com> Signed-off-by:
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Arnd Bergmann authored
do_gettimeofday() overflows in 2038 on 32-bit architectures and is deprecated, so convert this driver to call ktime_get_real() directly. This also simplifies the calculation. Signed-off-by:
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Arnd Bergmann authored
struct timespec is deprecated since it overflows in 2038 on 32-bit architectures, so we should use timespec64 consistently. I'm slightly adapting the format strings here, to make sure we print the nanoseconds with the correct number of leading zeroes. Signed-off-by:
Satish Kharat <satishkh@cisco.com> Signed-off-by:
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Wei Yongjun authored
Fix to return error code -ENOMEM from the error handling case instead of 0, as done elsewhere in this function. Signed-off-by:
Wei Yongjun <weiyongjun1@huawei.com> Acked-by:
Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by:
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Xose Vazquez Perez authored
Replace "" with NULL for product revision level, and merge TEXEL duplicate entries. Cc: Hannes Reinecke <hare@suse.de> Cc: Martin K. Petersen <martin.petersen@oracle.com> Cc: James E.J. Bottomley <jejb@linux.vnet.ibm.com> Cc: SCSI ML <linux-scsi@vger.kernel.org> Signed-off-by:
Xose Vazquez Perez <xose.vazquez@gmail.com> Signed-off-by:
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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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Anil Gurumurthy authored
Signed-off-by:
Anil Gurumurthy <anil.gurumurthy@cavium.com> Signed-off-by:
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Darren Trapp authored
[mkp: sparse warning] Signed-off-by:
Darren Trapp <darren.trapp@cavium.com> Signed-off-by:
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- Jan 17, 2018
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himanshu.madhani@cavium.com authored
This patch fixes following smatch warning: drivers/scsi/qla2xxx/qla_init.c:1054 __qla24xx_handle_gpdb_event() warn: inconsistent indenting Signed-off-by:
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himanshu.madhani@cavium.com authored
This patch fixes following smatch warning: drivers/scsi/qla2xxx/qla_iocb.c:2622 qla2x00_els_dcmd2_sp_done() error: '%pC' expects argument of type 'struct clk*', argument 8 has type 'uchar[]' Signed-off-by:
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himanshu.madhani@cavium.com authored
This patch fixes following Smatch warning: drivers/scsi/qla2xxx/qla_init.c:130 qla2x00_async_iocb_timeout() error: we previously assumed 'fcport' could be null (see line 107) Fixes: 5c25d451 ("scsi: qla2xxx: Fix NULL pointer access for fcport structure") Reported by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
Quinn Tran <quinn.tran@cavium.com> Signed-off-by:
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himanshu.madhani@cavium.com authored
During error test case where switch port status is toggled from enable to disable, following stack trace is seen which indicates recursion trying to send terminate exchange. This regression was introduced by commit 82de802a ("scsi: qla2xxx: Preparation for Target MQ.") BUG: stack guard page was hit at ffffb96488383ff8 (stack is ffffb96488384000..ffffb96488387fff) BUG: stack guard page was hit at ffffb964886c3ff8 (stack is ffffb964886c4000..ffffb964886c7fff) kernel stack overflow (double-fault): 0000 [#1] SMP qlt_term_ctio_exchange+0x9c/0xb0 [qla2xxx] qlt_term_ctio_exchange+0x9c/0xb0 [qla2xxx] qlt_term_ctio_exchange+0x9c/0xb0 [qla2xxx] qlt_term_ctio_exchange+0x9c/0xb0 [qla2xxx] qlt_term_ctio_exchange+0x9c/0xb0 [qla2xxx] Fixes: 82de802a ("scsi: qla2xxx: Preparation for Target MQ.") Cc: <stable@vger.kernel.org> #4.10 Signed-off-by:
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himanshu.madhani@cavium.com authored
This patch fixes regression added by commit d7459527 ("scsi: qla2xxx: Add multiple queue pair functionality."). When driver is not able to get reqeusted IRQs from the system, driver will attempt tp clean up memory before failing hardware probe. During this cleanup, driver assigns NULL value to the pointer which has not been allocated by driver yet. This results in a NULL pointer access. Log file will show following message and stack trace qla2xxx [0000:a3:00.1]-00c7:21: MSI-X: Failed to enable support, giving up -- 32/-1. qla2xxx [0000:a3:00.1]-0037:21: Falling back-to MSI mode --1. qla2xxx [0000:a3:00.1]-003a:21: Failed to reserve interrupt 821 already in use. BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<ffffffffc010c4b6>] qla2x00_probe_one+0x18b6/0x2730 [qla2xxx] PGD 0 Oops: 0002 [#1] SMP Fixes: d7459527 ("scsi: qla2xxx: Add multiple queue pair functionality."). Cc: <stable@vger.kernel.org> # 4.10 Signed-off-by:
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Colin Ian King authored
The pointer head is re-assigned the same value twice, so remove the second redundant assignment. Cleans up clang warning: drivers/message/fusion/mptsas.c:1161:20: warning: Value stored to 'head' during its initialization is never read Signed-off-by:
Colin Ian King <colin.king@canonical.com> Signed-off-by:
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Dan Carpenter authored
We should set the error code if fc_remote_port_add() fails. Cc: <stable@vger.kernel.org> #v4.12+ Fixes: daf0cd44 ("scsi: storvsc: Add support for FC rport.") Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by:
Cathy Avery <cavery@redhat.com> Acked-by:
K. Y. Srinivasan <kys@microsoft.com> Signed-off-by:
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Andy Shevchenko authored
Numbers up to 100 snprintf() prints without using a division. Besides that the code looks more readable. Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by:
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Colin Ian King authored
The function _get_st_from_smid is local to the source and does not need to be in global scope, so make it static. Cleans up sparse warning: symbol '_get_st_from_smid' was not declared. Should it be static? Signed-off-by:
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Wei Yongjun authored
Fixes the following sparse warning: drivers/scsi/hisi_sas/hisi_sas_main.c:1691:25: warning: symbol 'host_attrs' was not declared. Should it be static? Signed-off-by:
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Douglas Gilbert authored
Introduce a state enum into sdebug_defer objects to indicate which, if any, defer method has been used with the associated command. Also add 2 bools to indicate which of the defer methods has been initialized. Those objects are re-used but the initialization only needs to be done once. This simplifies command cancellation handling. Now the delay associated with a deferred response of a command cannot be changed (once started) by changing the delay (and ndelay) parameters in sysfs. Command aborts and driver shutdown are still honoured immediately when received. [mkp: applied by hand] Signed-off-by:
Douglas Gilbert <dgilbert@interlog.com> Reviewed-by:
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Rasmus Villemoes authored
This saves a little .text and gets rid of the unmotivated line break and the sizeof(...) style inconsistency. Signed-off-by:
Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by:
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- Jan 11, 2018
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Shivasharan S authored
Signed-off-by:
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Shivasharan S authored
No functional changes. This patch is a re-work of DCMD refire code to better manage all the different cases to decide whether to REFIRE or SKIP or COMPLETE certain DCMD. Signed-off-by:
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Shivasharan S authored
Expose FW outstanding commands (fw_outstanding) through sysfs interface. This helps in debugging certain performance issues in the field. Signed-off-by:
Sasikumar Chandrasekaran <sasikumar.pc@broadcom.com> Signed-off-by:
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Shivasharan S authored
Performance improvement: Current driver calls stream detection unconditionally for all IOs. Stream Detection logic is not required for most of the fast path IO. To improve performance, avoid stream detection logic and do it only if required. Below are the cases where stream detection is required in driver: 1. All non-FastPath IOs (IOs going to FW) 2. Fast Path reads sent to ReadAhead capable VDs. Signed-off-by:
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Shivasharan S authored
Issue – There may be some IO accessing incorrect raid map, but driver has checks in IO path to handle those cases. It is always better to move to new raid map only once raid map is populated and validated. No functional defect. Fix is provided as part of review. Fix – Update instance->map_id after driver has populated new driver raid map from firmware raid map. Signed-off-by:
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Shivasharan S authored
scsi: megaraid_sas: Use megasas_wait_for_adapter_operational to detect controller state in IOCTL path In IOCTL path, re-use megasas_wait_for_adapter_operational API to detect controller state. This will make driver to use this API uniformly in all cases where we need to wait for adapter to become operational. Signed-off-by:
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Shivasharan S authored
Driver needs to avoid PCI writes while OCR is in progress. Use reset_mutex to synchronize between firing DCMDs MR_DCMD_PD_GET_INFO and MR_DCMD_DRV_GET_TARGET_PROP while OCR is triggered. Without this fix, if Device/VD add/creation is in progress and at the same time MR Firmware is going through OCR, user may see OCR never completed and it may need system reboot. This scenario is rare to occur. Fix is provided as part of review. Signed-off-by:
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Shivasharan S authored
Issue - Driver returns DID_NO_CONNECT when unload is in progress, indicated using instance->unload flag. In case of dynamic unload of driver, this flag is set before calling scsi_remove_host(). While doing manual driver unload, user will see lots of prints for Sync Cache command with DID_NO_CONNECT status. Fix - Set the instance->unload flag after scsi_remove_host(). Allow device removal process to be completed and do not block any command before that. SCSI commands (like SYNC_CACHE) are received (as part of scsi_remove_host) by driver during unload will be submitted further down to the drives. Signed-off-by:
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Shivasharan S authored
Currently driver does not validate ldcount provided by firmware. If the value is invalid, fail RAID map validation accordingly. This issue is rare to hit in field and is fixed as part of code review. Signed-off-by:
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Shivasharan S authored
Signed-off-by:
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Shivasharan S authored
In megasas_get_seq_num, the status of the DCMD fired to FW is not returned, it always returns success. We could end up registering AEN request with incorrect sequence number if the DCMD failed. Return the DCMD status back to caller. This was discovered during code review and very rare to see issue in field to see AEN request failed bt FW. Signed-off-by:
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