- 15 Feb, 2018 9 commits
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Stanislav Nijnikov authored
This patch introduces a sysfs group entry for the UFS string descriptors. The group adds "string_descriptors" folder under the UFS driver sysfs entry (/sys/bus/platform/drivers/ufshcd/*). The folder will contain 5 files that will show string values defined by the UFS spec: a manufacturer name, a product name, an OEM id, a serial number and a product revision. The full information about the string descriptors could be found at UFS specifications 2.1. Signed-off-by: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Stanislav Nijnikov authored
This patch introduces a sysfs group entry for the UFS power descriptor parameters. The group adds "power_descriptor" folder under the UFS driver sysfs entry (/sys/bus/platform/drivers/ufshcd/*). The parameters are shown as hexadecimal numbers. The full information about the parameters could be found at UFS specifications 2.1. Signed-off-by: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Stanislav Nijnikov authored
This patch introduces a sysfs group entry for the UFS health descriptor parameters. The group adds "health_descriptor" folder under the UFS driver sysfs entry (/sys/bus/platform/drivers/ufshcd/*). The parameters are shown as hexadecimal numbers. The full information about the parameters could be found at UFS specifications 2.1. Signed-off-by: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Stanislav Nijnikov authored
This patch introduces a sysfs group entry for the UFS geometry descriptor parameters. The group adds "geometry_descriptor" folder under the UFS driver sysfs entry (/sys/bus/platform/drivers/ufshcd/*). The parameters are shown as hexadecimal numbers. The full information about the parameters could be found at UFS specifications 2.1. Signed-off-by: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Stanislav Nijnikov authored
This patch introduces a sysfs group entry for the UFS interconnect descriptor parameters. The group adds "interconnect_descriptor" folder under the UFS driver sysfs entry (/sys/bus/platform/drivers/ufshcd/*). The parameters are shown as hexadecimal numbers. The full information about the parameters could be found at UFS specifications 2.1. Signed-off-by: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Stanislav Nijnikov authored
This patch introduces a sysfs group entry for the UFS device descriptor parameters. The group adds "device_descriptor" folder under the UFS driver sysfs entry (/sys/bus/platform/drivers/ufshcd/*). The parameters are shown as hexadecimal numbers. The full information about the parameters could be found at UFS specifications 2.1. Signed-off-by: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Stanislav Nijnikov authored
This patch introduces attribute group to show existing sysfs entries. Signed-off-by: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Martin Wilck authored
Error injection in scsi_debug (e.g. opts=16, SDEBUG_OPT_TRANSPORT_ERR) currently doesn't work correctly because the test for sqcp in resp_read_dt0() and similar resp_*() functions always fails. sqcp is set from cmnd->host_scribble, which is set in schedule_resp(), which is called from scsi_debug_queuecommand() after calling the resp_* function. Defer calling resp_*() until after cmnd->host_scribble is set in schedule_resp(). Fixes: c4837394 "scsi_debug: add multiple queue support" Signed-off-by: Martin Wilck <mwilck@suse.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Colin Ian King authored
Don't populate the const read-only arrays spi_test_unit_ready and spi_test_unit_ready on the stack but instead make them static. Makes the object code smaller by over 100 bytes: Before: text data bss dec hex filename 40171 12832 128 53131 cf8b drivers/scsi/scsi_transport_spi.o After: text data bss dec hex filename 39922 12976 128 53026 cf22 drivers/scsi/scsi_transport_spi.o (gcc version 7.2.0 x86_64) Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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- 14 Feb, 2018 23 commits
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Martin Wilck authored
If every_nth > 0, the injection flags must be reset for commands that aren't supposed to fail (i.e. that aren't "nth"). Otherwise, commands will continue to fail, like in the every_nth < 0 case. Signed-off-by: Martin Wilck <mwilck@suse.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Douglas Gilbert authored
The Start Stop Unit (SSU) command takes in the order of a second to complete on some SAS SSDs and longer on hard disks. Synchronize Cache (SC) can also take some time. Both commands have an IMMED bit in their cdbs for those apps that don't want to wait. This patch introduces a long delay for those commands when the IMMED bit is clear. Since SC is a media access command then when the fake_rw option is active, its cdb processing is skipped and it returns immediately. The SSU command is not altered by the setting of the fake_rw option. These actions are not changed by this patch. Changes since v1: - clear the cdb mask of SYNCHRONIZE CACHE(16) cdb in byte 1, bit 0 Changes: - add the SYNCHRONIZE CACHE(16) command - together with the existing START STOP UNIT and SYNCHRONIZE CACHE(10) commands process the IMMED bit in their cdbs - if the IMMED bit is set, return immediately - if the IMMED bit is clear, treat the delay parameter as having a unit of one second - in the SYNCHRONIZE CACHE processing do a bounds check Signed-off-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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John Pittman authored
Pointer styling issues exposed by checkpatch.pl in scsi_debug.c: ERROR: "foo * bar" should be "foo *bar" Fixed 37 total errors reported. [mkp: fixed typo noticed by Doug] Signed-off-by: John Pittman <jpittman@redhat.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
Make scsi_test_unit_ready() send at most as many TURs as specified in the 'retries' argument instead of retries * (retries + 1) / 2. Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
The eh_deadline definition occurs in the middle of the code for releasing a host. Avoid splitting the host release code by moving the definition of the eh_deadline parameter to the top of the hosts.c source file. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.com> Cc: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
After the patch that introduced this function was posted on the linux-scsi mailing list an explanation was posted why this patch is correct. Since that explanation contains important information, add a summary of it above the code that explanation applies to. See also http://www.spinics.net/lists/linux-scsi/msg106326.html. References: e494f6a7 ("[SCSI] improved eh timeout handler") Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Cc: Christoph Hellwig <hch@lst.de> Cc: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
Use the sgl_alloc_order() and sgl_free_order() functions instead of open coding these functions. Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.com> Cc: Anil Ravindranath <anil_ravindranath@pmc-sierra.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.com> Cc: Anil Ravindranath <anil_ravindranath@pmc-sierra.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
Use the sgl_alloc_order() and sgl_free_order() functions instead of open coding these functions. Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Acked-by: Brian King <brking@linux.vnet.ibm.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.com> Cc: Martin K. Petersen <martin.petersen@oracle.com> Cc: linux-scsi@vger.kernel.org Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Colin Ian King authored
There are several occurrances where pointer ioadl is initialized with a value that is never read and where it is re-assigned a new value later on, hence the initialization is redundant and can be removed. Cleans up clang warnings: drivers/scsi/pmcraid.c:1028:29: warning: Value stored to 'ioadl' during its initialization is never read drivers/scsi/pmcraid.c:3178:29: warning: Value stored to 'ioadl' during its initialization is never read drivers/scsi/pmcraid.c:5495:29: warning: Value stored to 'ioadl' during its initialization is never read drivers/scsi/pmcraid.c:5668:29: warning: Value stored to 'ioadl' during its initialization is never read Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Colin Ian King authored
Variable bit is initialized with a value that is never read and is being updated immediately after the initialization, hence the initialization is redundant and can be removed. Cleans up clang warning: drivers/scsi/isci/host.c:2769:8: warning: Value stored to 'bit' during its initialization is never read Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Arnd Bergmann authored
Building with link time optimizations produces a false-positive section mismatch warning: WARNING: vmlinux.o(.data+0xf8c8): Section mismatch in reference from the variable driver_template.lto_priv.6915 to the function .init.text:sym53c416_detect() The variable driver_template.lto_priv.6915 references the function __init sym53c416_detect() If the reference is valid then annotate the variable with __init* or __refdata (see linux/init.h) or name the variable: *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console The ->detect callback is always entered from the init_this_scsi_driver() init function, but apparently LTO turns the optimized direct function call into an indirect call through a non-__initdata pointer. All drivers using init_this_scsi_driver() are for ancient hardware, and most don't mark the detect() callback as __init(), so I'm just removing the annotation here to kill off the warning instead of doing a larger rework. [mkp: typo] Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Arnd Bergmann authored
Building with link time optimizations produces a false-positive section mismatch warning: WARNING: vmlinux.o(.data+0xf7e8): Section mismatch in reference from the variable driver_template.lto_priv.6914 to the function .init.text:NCR53c406a_detect() The variable driver_template.lto_priv.6914 references the function __init NCR53c406a_detect() If the reference is valid then annotate the variable with __init* or __refdata (see linux/init.h) or name the variable: *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console The ->detect callback is always entered from the init_this_scsi_driver() init function, but apparently LTO turns the optimized direct function call into an indirect call through a non-__initdata pointer. All drivers using init_this_scsi_driver() are for ancient hardware, and most don't mark the detect() callback as __init(), so I'm just removing the annotation here to kill off the warning instead of doing a larger rework. [mkp: typo] Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Raghava Aditya Renukunta authored
During sync command processing, if legacy INTx status indicates command is not completed, sample the MSIx register and check if it indicates command completion, set controller MSIx enabled flag. Signed-off-by: Prasad B Munirathnam <prasad.munirathnam@microsemi.com> Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com> Reviewed-by: Dave Carroll <david.carroll@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Raghava Aditya Renukunta authored
Preserve the current MSIX mode value in the OMR before rewriting the OMR to initiate the IOP or Soft Reset. Signed-off-by: Prasad B Munirathnam <prasad.munirathnam@microsemi.com> Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com> Reviewed-by: Dave Carroll <david.carroll@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Raghava Aditya Renukunta authored
IOP_RESET takes a long time to complete. If controller is in a state where we can bring it back with init struct, send a DropIO sync command instead. - If controller is faulted perform standard IOP_RESET in aac_srcv_init. - If controller is not faulted get adapter properties and extended properties. - Update the sa_firmware variable and determine if DropIO request is supported. - Issue DropIO request, and get the number of outstanding commands. - If all commands are complete with success (CT_OK), consider IOP_RESET is complete. - If any commands timeout, Perform the IOP_RESET. Signed-off-by: Prasad B Munirathnam <prasad.munirathnam@microsemi.com> Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com> Reviewed-by: Dave Carroll <david.carroll@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Arnd Bergmann authored
gcc-8 warns during link-time optimization that the strncpy() call passes the size of the source buffer rather than the destination: drivers/scsi/qedf/qedf_dbg.c: In function 'qedf_uevent_emit': include/linux/string.h:253: error: 'strncpy' specified bound depends on the length of the source argument [-Werror=stringop-overflow=] This changes it to strscpy() with the correct length, guaranteeing a properly nul-terminated string of the right size. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Arnd Bergmann authored
The prototype for qedf_dbg_fops/qedf_debugfs_ops doesn't match the definition, which causes the final link to fail with link-time optimizations: drivers/scsi/qedf/qedf_main.c:34: error: type of 'qedf_dbg_fops' does not match original declaration [-Werror=lto-type-mismatch] extern struct file_operations qedf_dbg_fops; drivers/scsi/qedf/qedf_debugfs.c:443: note: 'qedf_dbg_fops' was previously declared here const struct file_operations qedf_dbg_fops[] = { drivers/scsi/qedf/qedf_main.c:33: error: type of 'qedf_debugfs_ops' does not match original declaration [-Werror=lto-type-mismatch] extern struct qedf_debugfs_ops qedf_debugfs_ops; drivers/scsi/qedf/qedf_debugfs.c:102: note: 'qedf_debugfs_ops' was previously declared here struct qedf_debugfs_ops qedf_debugfs_ops[] = { This corrects the prototype and moves it into a shared header file where it belongs. The file operations can also be marked 'const' like the qedf_debugfs_ops. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Colin Ian King authored
Pointer disc is being intializated a value that is never read and then re-assigned the same value later on, hence the initialization is redundant and can be removed. Cleans up clang warning: drivers/scsi/libfc/fc_disc.c:734:18: warning: Value stored to 'disc' during its initialization is never read Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Colin Ian King authored
Pointer fcport is initialized with a value that is never read, it is re-assigned a new value later on, hence the initialization is redundant and can be removed. Cleans up clang warning: drivers/scsi/qedf/qedf_io.c:920:21: warning: Value stored to 'fcport' during its initialization is never read Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Arnd Bergmann authored
When link-time optimizations are enabled, qedi fails to build because of mismatched prototypes: drivers/scsi/qedi/qedi_gbl.h:27:37: error: type of 'qedi_dbg_fops' does not match original declaration [-Werror=lto-type-mismatch] extern const struct file_operations qedi_dbg_fops; ^ drivers/scsi/qedi/qedi_debugfs.c:239:30: note: 'qedi_dbg_fops' was previously declared here const struct file_operations qedi_dbg_fops[] = { ^ drivers/scsi/qedi/qedi_gbl.h:26:32: error: type of 'qedi_debugfs_ops' does not match original declaration [-Werror=lto-type-mismatch] extern struct qedi_debugfs_ops qedi_debugfs_ops; ^ drivers/scsi/qedi/qedi_debugfs.c:102:25: note: 'qedi_debugfs_ops' was previously declared here struct qedi_debugfs_ops qedi_debugfs_ops[] = { This changes the declaration to match the definition, and adapts the users as necessary. Since both array can be constant here, I'm adding the 'const' everywhere for consistency. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Manish Rangankar <Manish.Rangankar@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Laurence Oberman authored
This patch adds two new parameters to the scsi_debug driver. During various fault injection scenarios it would be useful to be able to pick a specific starting sector and number of follow on sectors where a MEDIUM ERROR for reads would be returned against a scsi-debug device. Right now this only works against sector 0x1234 and OPT_MEDIUM_ERR_NUM follow on sectors. However during testing of md-raid and other scenarios I wanted more flexibility. The idea is add 2 new parameters: medium_error_start medium_error_count If medium_error_start is set then we don't use the default of OPT_MEDIUM_ERR_ADDR, but use that set value. If medium_error_count is set we use that value otherwise default to OPT_MEDIUM_ERR_NUM. Signed-off-by: Laurence Oberman <loberman@redhat.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
Since commit 64d513ac ("scsi: use host wide tags by default") all SCSI requests have a tag, whether or not scsi-mq is enabled. Additionally, it is safe to use blk_mq_unique_tag() and blk_mq_unique_tag_to_hwq() for legacy SCSI queues. Since this means that the sdebug_mq_active variable is superfluous, remove it. Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Cc: Douglas Gilbert <dgilbert@interlog.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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- 12 Feb, 2018 8 commits
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Hannes Reinecke authored
Not a real RAID level, but some HBAs support JBOD in addition to the 'classical' RAID levels. Signed-off-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
Bring the kernel-doc headers in sync with the function argument lists. Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Cc: Himanshu Madhani <himanshu.madhani@cavium.com> Acked-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
This patch does not change any functionality but slightly reduces the size of the compiled kernel module. Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Cc: Himanshu Madhani <himanshu.madhani@cavium.com> Acked-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
Remove a few preprocessor macros that are not used anywhere. Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Cc: Himanshu Madhani <himanshu.madhani@cavium.com> Acked-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
Remove a few preprocessor macros that are not used anywhere. Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Cc: Himanshu Madhani <himanshu.madhani@cavium.com> Acked-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
Using %p instead of %lx to print a pointer allows to remove a cast. Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Cc: Himanshu Madhani <himanshu.madhani@cavium.com> Acked-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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James Smart authored
Updated Copyright in files updated 11.4.0.7 Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com> Signed-off-by: James Smart <james.smart@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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James Smart authored
Update the driver version to 11.4.0.7 Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com> Signed-off-by: James Smart <james.smart@broadcom.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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