Commit Graph

361 Commits

Author SHA1 Message Date
Linus Torvalds
b89b029377 SCSI misc on 20230902
Updates to the usual drivers (ufs, lpfc, qla2xxx, mpi3mr, libsas) and
 the usual minor updates and bug fixes but no significant core changes.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "Updates to the usual drivers (ufs, lpfc, qla2xxx, mpi3mr, libsas) and
  the usual minor updates and bug fixes but no significant core changes"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (116 commits)
  scsi: storvsc: Handle additional SRB status values
  scsi: libsas: Delete sas_ata_task.retry_count
  scsi: libsas: Delete sas_ata_task.stp_affil_pol
  scsi: libsas: Delete sas_ata_task.set_affil_pol
  scsi: libsas: Delete sas_ssp_task.task_prio
  scsi: libsas: Delete sas_ssp_task.enable_first_burst
  scsi: libsas: Delete sas_ssp_task.retry_count
  scsi: libsas: Delete struct scsi_core
  scsi: libsas: Delete enum sas_phy_type
  scsi: libsas: Delete enum sas_class
  scsi: libsas: Delete sas_ha_struct.lldd_module
  scsi: target: Fix write perf due to unneeded throttling
  scsi: lpfc: Do not abuse UUID APIs and LPFC_COMPRESS_VMID_SIZE
  scsi: pm8001: Remove unused declarations
  scsi: fcoe: Fix potential deadlock on &fip->ctlr_lock
  scsi: elx: sli4: Remove code duplication
  scsi: bfa: Replace one-element array with flexible-array member in struct fc_rscn_pl_s
  scsi: qla2xxx: Remove unused declarations
  scsi: pmcraid: Use pci_dev_id() to simplify the code
  scsi: pm80xx: Set RETFIS when requested by libsas
  ...
2023-09-02 12:02:41 -07:00
Bjorn Helgaas
d56b699d76 Documentation: Fix typos
Fix typos in Documentation.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/r/20230814212822.193684-4-helgaas@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2023-08-18 11:29:03 -06:00
Bart Van Assche
f669b8a683 scsi: core: Fix the scsi_set_resid() documentation
Because scsi_finish_command() subtracts the residual from the buffer
length, residual overflows must not be reported. Reflect this in the SCSI
documentation. See also commit 9237f04e12 ("scsi: core: Fix
scsi_get/set_resid() interface")

Cc: Damien Le Moal <dlemoal@kernel.org>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Douglas Gilbert <dgilbert@interlog.com>
Cc: stable@vger.kernel.org
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20230721160154.874010-2-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-07-23 16:35:56 -04:00
Randy Dunlap
f047d1e38b scsi: docs: sym53c8xx_2: Shorten chapter heading
Make the chapter heading concise yet still descriptive.
This makes the subsystem table of contents more readable (IMO).

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20230518212749.18266-12-rdunlap@infradead.org
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-05-22 18:36:07 -04:00
Randy Dunlap
7c891fe3db scsi: docs: ncr53c8xx: Shorten chapter heading
Make the chapter heading concise yet still descriptive.
This makes the subsystem table of contents more readable (IMO).

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20230518212749.18266-11-rdunlap@infradead.org
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-05-22 18:36:07 -04:00
Randy Dunlap
0176d3395a scsi: docs: megaraid: Clarify chapter heading
Include "Megaraid" in the chapter heading so that it is clear
what subject the document is about. This improves viewing in the TOC.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20230518212749.18266-10-rdunlap@infradead.org
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: Kashyap Desai <kashyap.desai@broadcom.com>
Cc: Sumit Saxena <sumit.saxena@broadcom.com>
Cc: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Cc: megaraidlinux.pdl@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-05-22 18:36:07 -04:00
Randy Dunlap
b636a0297e scsi: docs: g_NCR5380: Shorten chapter heading
Make the chapter heading be concise yet still descriptive.
This makes the subsystem table of contents more readable (IMO).

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20230518212749.18266-9-rdunlap@infradead.org
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: Finn Thain <fthain@linux-m68k.org>
Cc: Michael Schmitz <schmitzmic@gmail.com>
Acked-by: Finn Thain <fthain@linux-m68k.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-05-22 18:36:07 -04:00
Randy Dunlap
8ebddfeef5 scsi: docs: scsi-generic: Multiple cleanups
Make the heading be concise yet still descriptive.
This makes the subsystem table of contents more readable (IMO).

Spell "CDROM" as "CD-ROM".
Capitalize "Linux".

Use https instead of http for URLs.

Drop the Linux Documentation Project URL for the SCSI generic HOWTO
since it hasn't been updated since 2002. Use Doug Gilbert's URL
for it instead.

Drop some outdated documentation & references.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20230518212749.18266-8-rdunlap@infradead.org
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: Doug Gilbert <dgilbert@interlog.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-05-22 18:36:07 -04:00
Randy Dunlap
66fcd6026c scsi: docs: scsi_fc_transport: Fix typo in heading
Fix the typo "Tansport" to be "Transport".
Update email address for James Smart.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20230518212749.18266-7-rdunlap@infradead.org
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-05-22 18:36:07 -04:00
Randy Dunlap
573a43f26d scsi: docs: dc395x: Shorten the chapter heading
Make the heading be concise yet still descriptive.
This makes the subsystem table of contents more readable (IMO).

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20230518212749.18266-6-rdunlap@infradead.org
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: Oliver Neukum <oliver@neukum.org>
Cc: Ali Akcaagac <aliakc@web.de>
Cc: Jamie Lenehan <lenehan@twibble.org>
Cc: dc395x@twibble.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-05-22 18:36:07 -04:00
Randy Dunlap
a292835f69 scsi: docs: scsi-changer: Shorten the chapter heading
Make the heading be concise yet still descriptive.
This makes the subsystem table of contents more readable (IMO).

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20230518212749.18266-5-rdunlap@infradead.org
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: Gerd Knorr <kraxel@bytesex.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-05-22 18:36:07 -04:00
Randy Dunlap
1d3e21238f scsi: docs: arcmsr: Use a chapter heading for clarity
Add a chapter heading so that the document sections are not all
at the same level, mucking up the SCSI subsystem contents.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20230518212749.18266-4-rdunlap@infradead.org
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-05-22 18:36:07 -04:00
Randy Dunlap
c4e672ac8c scsi: docs: introduction: Multiple cleanups
Modify URLs to use https instead of http.
Remove ancient URLs that don't work.
Change "scsi" in text to "SCSI".
Change "cdrom" in text to "CD-ROM".
Drop the reference to "autoclean" for modules since I can't
  find it in any current documentation.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20230518212749.18266-3-rdunlap@infradead.org
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-05-22 18:36:07 -04:00
Randy Dunlap
682b07d2ff scsi: docs: Organize the SCSI documentation
Break the SCSI documentation up into categories:

  Introduction, APIs, driver parameters, and host adapter drivers instead
  of alphabetical by document file name (i.e., no organization).

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20230518212749.18266-2-rdunlap@infradead.org
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-05-22 18:36:06 -04:00
Bagas Sanjaya
16853cd8f6 scsi: dc395x: Documentation: Reword original driver attribution
The Linux kernel isn't in 2.6.x anymore, but rather the major version
has advanced much (currently 6.x). Reword the attribution.

Also, replace 404'ed 2.4 driver link with web.archive.org snapshot [1].

Link: https://web.archive.org/web/20140129181343/http://www.garloff.de/kurt/linux/dc395/ [1]
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://lore.kernel.org/r/20230510093933.19985-4-bagasdotme@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-05-16 21:47:14 -04:00
Bagas Sanjaya
7a94a131aa scsi: dc395x: Documentation: Replace non-functional twibble.org list
Sync mailing list address in the documentation to follow MAINTAINERS.

Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://lore.kernel.org/r/20230510093933.19985-3-bagasdotme@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-05-16 21:47:14 -04:00
Bart Van Assche
e0d3f2c694 scsi: core: Declare SCSI host template pointer members const
Declare the SCSI host template pointer members const and also the remaining
SCSI host template pointers in the SCSI core.

Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20230322195515.1267197-4-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-03-24 19:19:19 -04:00
Linus Torvalds
8762069330 SCSI misc on 20230222
Updates to the usual drivers (ufs, lpfc, qla2xxx, libsas).  The major
 core change is a rework to remove the two helpers around
 scsi_execute_cmd and use it as the only submission interface along
 with other minor fixes and updates.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "Updates to the usual drivers (ufs, lpfc, qla2xxx, libsas).

  The major core change is a rework to remove the two helpers around
  scsi_execute_cmd and use it as the only submission interface along
  with other minor fixes and updates"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (142 commits)
  scsi: ufs: core: Fix an error handling path in ufshcd_read_desc_param()
  scsi: ufs: core: Fix device management cmd timeout flow
  scsi: aic94xx: Add missing check for dma_map_single()
  scsi: smartpqi: Replace one-element array with flexible-array member
  scsi: mpt3sas: Fix a memory leak
  scsi: qla2xxx: Remove the unused variable wwn
  scsi: ufs: core: Fix kernel-doc syntax
  scsi: ufs: core: Add hibernation callbacks
  scsi: snic: Fix memory leak with using debugfs_lookup()
  scsi: ufs: core: Limit DMA alignment check
  scsi: Documentation: Correct spelling
  scsi: Documentation: Correct spelling
  scsi: target: Documentation: Correct spelling
  scsi: aacraid: Allocate cmd_priv with scsicmd
  scsi: ufs: qcom: dt-bindings: Add SM8550 compatible string
  scsi: ufs: ufs-qcom: Clear qunipro_g4_sel for HW version major 5
  scsi: ufs: qcom: fix platform_msi_domain_free_irqs() reference
  scsi: ufs: core: Enable DMA clustering
  scsi: ufs: exynos: Fix the maximum segment size
  scsi: ufs: exynos: Fix DMA alignment for PAGE_SIZE != 4096
  ...
2023-02-22 13:41:41 -08:00
Randy Dunlap
cf065a7da5 scsi: Documentation: Correct spelling
Correct spelling problems for Documentation/scsi/ as reported by codespell.

Link: https://lore.kernel.org/r/20230129231053.20863-8-rdunlap@infradead.org
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: "James E.J. Bottomley" <jejb@linux.ibm.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>
2023-02-08 18:49:48 -05:00
Randy Dunlap
685d5ef436 scsi: Documentation: Correct spelling
Correct spelling problems for Documentation/scsi/ ChangeLogs as reported by
codespell.

Link: https://lore.kernel.org/r/20230129231053.20863-7-rdunlap@infradead.org
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: "James E.J. Bottomley" <jejb@linux.ibm.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>
2023-02-08 18:49:48 -05:00
SeongJae Park
941c95fdd6 Docs/subsystem-apis: Remove '[The ]Linux' prefixes from titles of listed documents
Some documents that listed on subsystem-apis have 'Linux' or 'The Linux'
title prefixes.  It's duplicated information, and makes finding the
document of interest with human eyes not easy.  Remove the prefixes from
the titles.

Signed-off-by: SeongJae Park <sj@kernel.org>
Acked-by: Iwona Winiarska <iwona.winiarska@intel.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/r/20230122184834.181977-1-sj@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2023-01-24 15:27:08 -07:00
Bart Van Assche
dee7121e8c scsi: core: Change the return type of .eh_timed_out()
Commit 6600593cbd ("block: rename BLK_EH_NOT_HANDLED to BLK_EH_DONE")
made it impossible for .eh_timed_out() implementations to call
scsi_done() without causing a crash.

Restore support for SCSI timeout handlers to call scsi_done() as follows:

 * Change all .eh_timed_out() handlers as follows:

   - Change the return type into enum scsi_timeout_action.
   - Change BLK_EH_RESET_TIMER into SCSI_EH_RESET_TIMER.
   - Change BLK_EH_DONE into SCSI_EH_NOT_HANDLED.

 * In scsi_timeout(), convert the SCSI_EH_* values into BLK_EH_* values.

Reviewed-by: Lee Duncan <lduncan@suse.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Mike Christie <michael.christie@oracle.com>
Cc: Hannes Reinecke <hare@suse.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20221018202958.1902564-3-bvanassche@acm.org
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-10-22 03:25:59 +00:00
Randy Dunlap
0414441259 scsi: docs: Fix a typo
Correct a typo in SCSI documentation.

Link: https://lore.kernel.org/r/20220827221719.11006-1-rdunlap@infradead.org
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-09-01 00:33:34 -04:00
Linus Torvalds
746fc76b82 SCSI misc on 20220804
Updates to the usual drivers (ufs, qla2xx, target, lpfc, smartpqi,
 mpi3mr).  The main driver change that might cause issues on down the
 road is the conversion of some of our oldest surviving drivers to the
 DMA API (should only affect m68k).  The only major core change is the
 rework of async resume; the rest are either completely trivial or for
 updating deprecated APIs.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "Updates to the usual drivers (ufs, qla2xx, target, lpfc, smartpqi,
  mpi3mr).

  The main driver change that might cause issues on down the road is the
  conversion of some of our oldest surviving drivers to the DMA API
  (should only affect m68k).

  The only major core change is the rework of async resume; the rest are
  either completely trivial or for updating deprecated APIs"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (195 commits)
  scsi: target: Remove XDWRITEREAD emulated support
  scsi: megaraid: Remove the static variable initialisation
  scsi: ch: Do not initialise statics to 0
  scsi: ufs: core: Fix spelling mistake "Cannnot" -> "Cannot"
  scsi: target: iscsi: Do not require target authentication
  scsi: target: iscsi: Allow AuthMethod=None
  scsi: target: iscsi: Support base64 in CHAP
  scsi: target: iscsi: Add support for extended CDB AHS
  scsi: ufs: dt-bindings: Add SC8280XP binding
  scsi: target: iscsi: Fix clang -Wformat warnings
  scsi: ufs: core: Read device property for ref clock
  scsi: libsas: Resume SAS host for phy reset or enable via sysfs
  scsi: hisi_sas: Modify v3 HW SATA completion error processing
  scsi: hisi_sas: Relocate DMA unmap of SMP task
  scsi: hisi_sas: Remove unnecessary variable to hold DMA map elements
  scsi: hisi_sas: Call hisi_sas_slave_configure() from slave_configure_v3_hw()
  scsi: mpi3mr: Delete a stray tab
  scsi: mpi3mr: Unlock on error path
  scsi: mpi3mr: Reduce VD queue depth on detecting throttling
  scsi: mpi3mr: Resource Based Metering
  ...
2022-08-04 19:47:37 -07:00
Daniil Lunev
ca452621b8 scsi: ufs: core: Read device property for ref clock
UFS storage devices require bRefClkFreq attribute to be set to operate
correctly at high speed mode. The necessary value is determined by what the
SoC / board supports. The standard doesn't specify a method to query the
value, so the information needs to be fed in separately.

DT information feeds into setting up the clock framework, so platforms
using DT can get the UFS reference clock frequency from the clock
framework. A special node "ref_clk" from the clock array for the UFS
controller node is used as the source for the information.

On the platforms that do not use DT (e.g. Intel), the alternative mechanism
to feed the intended reference clock frequency is necessary. Specifying the
necessary information in DSD of the UFS controller ACPI node is an
alternative mechanism proposed in this patch. Those can be accessed via
firmware property facility in the kernel and in many ways simillar to
querying properties defined in DT.

This patch introduces a small helper function to query a predetermined ACPI
supplied property of the UFS controller, and uses it to attempt retrieving
reference clock value, unless that was already done by the clock
infrastructure.

Link: https://lore.kernel.org/r/20220715210230.1.I365d113d275117dee8fd055ce4fc7e6aebd0bce9@changeid
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Daniil Lunev <dlunev@chromium.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-07-18 23:04:12 -04:00
John Garry
deef1be18e scsi: core: Remove reserved request time-out handling
The SCSI core code does not currently support reserved commands. As such,
requests which time-out would never be reserved, and scsi_timeout()
'reserved' arg should never be set.

Remove handling for reserved requests, drop the wrapper scsi_timeout()
as it now just calls scsi_times_out() always, and finally rename
scsi_times_out() -> scsi_timeout() to match the blk_mq_ops method name.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/1657109034-206040-2-git-send-email-john.garry@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-07-06 06:33:53 -06:00
Randy Dunlap
296559d41e scsi: ufs: docs: UFS documentation corrections
Make a variety of corrections to ufs.rst:

 - add spaces around parenthetical phrases
 - correct singular/plural grammar and nouns
 - correct punctuation
 - add article adjectives
 - add hyphens to multi-word adjectives
 - spell Lun as LUN
 - spell upiu as UPIU (in text, not code examples)
 - don't capitalize generic "specification"

Link: https://lore.kernel.org/r/20220307013224.5130-1-rdunlap@infradead.org
Cc: Alim Akhtar <alim.akhtar@samsung.com>
Cc: Avri Altman <avri.altman@wdc.com>
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-03-08 22:49:49 -05:00
Khazhismel Kumykov
5c139ce9e1 scsi: core: docs: Update notes about scsi_times_out
Most importantly: eh_timed_out() is not limited by scmd->allowed, and can
reset timer forever.

Fixes: c829c39416 ("[SCSI] FC transport : Avoid device offline cases by stalling aborts until device unblocked")
Link: https://lore.kernel.org/r/20220219001601.3534043-1-khazhy@google.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Khazhismel Kumykov <khazhy@google.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-02-27 21:32:28 -05:00
John Garry
25882c82f8 scsi: libsas: Delete lldd_clear_aca callback
This callback is never called, so remove support.

Link: https://lore.kernel.org/r/1645112566-115804-4-git-send-email-john.garry@huawei.com
Tested-by: Yihang Li <liyihang6@hisilicon.com>
Tested-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Jack Wang <jinpu.wang@ionos.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-02-19 15:59:34 -05:00
Hannes Reinecke
a7479a8477 scsi: core: Kill message byte
Remove last vestiges of SCSI status message bytes.

Link: https://lore.kernel.org/r/20210427083046.31620-39-hare@suse.de
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-05-31 22:48:24 -04:00
Hannes Reinecke
54c2908619 scsi: core: Drop the now obsolete driver_byte definitions
The driver_byte field in the result is now unused, so we can drop the
definitions.

Link: https://lore.kernel.org/r/20210427083046.31620-15-hare@suse.de
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-05-31 22:48:22 -04:00
Linus Torvalds
6c00292113 for-5.13/block-2021-04-27
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Merge tag 'for-5.13/block-2021-04-27' of git://git.kernel.dk/linux-block

Pull block updates from Jens Axboe:
 "Pretty quiet round this time, which is nice. In detail:

   - Series revamping bounce buffer support (Christoph)

   - Dead code removal (Christoph, Bart)

   - Partition iteration revamp, now using xarray (Christoph)

   - Passthrough request scheduler improvements (Lin)

   - Series of BFQ improvements (Paolo)

   - Fix ioprio task iteration (Peter)

   - Various little tweaks and fixes (Tejun, Saravanan, Bhaskar, Max,
     Nikolay)"

* tag 'for-5.13/block-2021-04-27' of git://git.kernel.dk/linux-block: (41 commits)
  blk-iocost: don't ignore vrate_min on QD contention
  blk-mq: Fix spurious debugfs directory creation during initialization
  bfq/mq-deadline: remove redundant check for passthrough request
  blk-mq: bypass IO scheduler's limit_depth for passthrough request
  block: Remove an obsolete comment from sg_io()
  block: move bio_list_copy_data to pktcdvd
  block: remove zero_fill_bio_iter
  block: add queue_to_disk() to get gendisk from request_queue
  block: remove an incorrect check from blk_rq_append_bio
  block: initialize ret in bdev_disk_changed
  block: Fix sys_ioprio_set(.which=IOPRIO_WHO_PGRP) task iteration
  block: remove disk_part_iter
  block: simplify diskstats_show
  block: simplify show_partition
  block: simplify printk_all_partitions
  block: simplify partition_overlaps
  block: simplify partition removal
  block: take bd_mutex around delete_partitions in del_gendisk
  block: refactor blk_drop_partitions
  block: move more syncing and invalidation to delete_partition
  ...
2021-04-28 14:27:12 -07:00
Christoph Hellwig
aaff5ebaa2 scsi: remove the unchecked_isa_dma flag
Remove the unchecked_isa_dma now that all users are gone.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20210331073001.46776-6-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-04-06 09:28:17 -06:00
Christoph Hellwig
8cad3b66bf Buslogic: remove ISA support
The ISA support in Buslogic has been broken for a long time, as all
the I/O path expects a struct device for DMA mapping that is derived from
the PCI device, which would simply crash for ISA adapters.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Acked-by: Khalid Aziz <khalid@gonehiking.org>
Link: https://lore.kernel.org/r/20210331073001.46776-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-04-06 09:28:17 -06:00
Dan Carpenter
ee4b4c9f94 Documentation: megaraid: fix spelling "consistend" => "consistent"
Change the spelling from "consistend" to "consistent".

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YFS5KV7ejNoZmt6H@mwanda
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-03-25 11:49:40 -06:00
Linus Torvalds
bdb39c9509 SCSI misc on 20210219
This series consists of the usual driver updates (ufs, ibmvfc,
 qla2xxx, hisi_sas, pm80xx) plus the removal of the gdth driver (which
 is bound to cause conflicts with a trivial change somewhere).  The
 only big major rework of note is the one from Hannes trying to clean
 up our result handling code in the drivers to make it consistent.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This series consists of the usual driver updates (ufs, ibmvfc,
  qla2xxx, hisi_sas, pm80xx) plus the removal of the gdth driver (which
  is bound to cause conflicts with a trivial change somewhere).

  The only big major rework of note is the one from Hannes trying to
  clean up our result handling code in the drivers to make it
  consistent"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (194 commits)
  scsi: MAINTAINERS: Adjust to reflect gdth scsi driver removal
  scsi: ufs: Give clk scaling min gear a value
  scsi: lpfc: Fix 'physical' typos
  scsi: megaraid_mbox: Fix spelling of 'allocated'
  scsi: qla2xxx: Simplify the calculation of variables
  scsi: message: fusion: Fix 'physical' typos
  scsi: target: core: Change ASCQ for residual write
  scsi: target: core: Signal WRITE residuals
  scsi: target: core: Set residuals for 4Kn devices
  scsi: hisi_sas: Add trace FIFO debugfs support
  scsi: hisi_sas: Flush workqueue in hisi_sas_v3_remove()
  scsi: hisi_sas: Enable debugfs support by default
  scsi: hisi_sas: Don't check .nr_hw_queues in hisi_sas_task_prep()
  scsi: hisi_sas: Remove deferred probe check in hisi_sas_v2_probe()
  scsi: lpfc: Add auto select on IRQ_POLL
  scsi: ncr53c8xx: Fix typos
  scsi: lpfc: Fix ancient double free
  scsi: qla2xxx: Fix some memory corruption
  scsi: qla2xxx: Remove redundant NULL check
  scsi: megaraid: Fix ifnullfree.cocci warnings
  ...
2021-02-22 10:24:58 -08:00
Jan Höppner
2e0d3bd8c5 Documentations: scsi, kvm: Update s390-tools GitHub URL
The GitHub organisation name under which the s390-tools package is being
hosted has changed. Update the web link.

Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2021-02-09 15:57:04 +01:00
Ahmed S. Darwish
65f7cfba61 scsi: libsas: Remove temporarily-added _gfp() API variants
These variants were added for bisectability. Remove them, as all call sites
have now been convertd to use the original API.

Link: https://lore.kernel.org/r/20210118100955.1761652-20-a.darwish@linutronix.de
Cc: Jason Yan <yanaijie@huawei.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Signed-off-by: Ahmed S. Darwish <a.darwish@linutronix.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-01-22 21:31:10 -05:00
Ahmed S. Darwish
5d6a75a1ed scsi: libsas: Add gfp_t flags parameter to event notifications
All call-sites of below libsas APIs:

  - sas_alloc_event()
  - sas_notify_port_event()
  - sas_notify_phy_event()

have been converted to use the _gfp()-suffixed version.  Modify the
original APIs above to take a gfp_t flags parameter by default.

For bisectability, call-sites will be modified again to use the original
libsas APIs (while passing gfp_t). The temporary _gfp()-suffixed versions
can then be removed.

Link: https://lore.kernel.org/r/20210118100955.1761652-13-a.darwish@linutronix.de
Cc: Jason Yan <yanaijie@huawei.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Signed-off-by: Ahmed S. Darwish <a.darwish@linutronix.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-01-22 21:31:09 -05:00
Ahmed S. Darwish
c2d0f1a65a scsi: libsas: Introduce a _gfp() variant of event notifiers
sas_alloc_event() uses in_interrupt() to decide which allocation should be
used.

The usage of in_interrupt() in drivers is phased out and Linus clearly
requested that code which changes behaviour depending on context should
either be separated or the context be conveyed in an argument passed by the
caller, which usually knows the context.

The in_interrupt() check is also only partially correct, because it fails
to choose the correct code path when just preemption or interrupts are
disabled. For example, as in the following call chain:

  mvsas/mv_sas.c: mvs_work_queue() [process context]
  spin_lock_irqsave(mvs_info::lock, )
    -> libsas/sas_event.c: sas_notify_phy_event()
      -> sas_alloc_event()
        -> in_interrupt() = false
          -> invalid GFP_KERNEL allocation
    -> libsas/sas_event.c: sas_notify_port_event()
      -> sas_alloc_event()
        -> in_interrupt() = false
          -> invalid GFP_KERNEL allocation

Introduce sas_alloc_event_gfp(), sas_notify_port_event_gfp(), and
sas_notify_phy_event_gfp(), which all behave like the non _gfp() variants
but use a caller-passed GFP mask for allocations.

For bisectability, all callers will be modified first to pass GFP context,
then the non _gfp() libsas API variants will be modified to take a gfp_t by
default.

Link: https://lore.kernel.org/r/20210118100955.1761652-4-a.darwish@linutronix.de
Fixes: 1c393b970e ("scsi: libsas: Use dynamic alloced work to avoid sas event lost")
Cc: Jason Yan <yanaijie@huawei.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Signed-off-by: Ahmed S. Darwish <a.darwish@linutronix.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-01-22 21:31:07 -05:00
John Garry
121181f3f8 scsi: libsas: Remove notifier indirection
LLDDs report events to libsas with .notify_port_event and .notify_phy_event
callbacks.

These callbacks are fixed and so there is no reason why the functions
cannot be called directly, so do that.

This neatens the code slightly, makes it more obvious, and reduces function
pointer usage, which is generally a good thing. Downside is that there are
2x more symbol exports.

[a.darwish@linutronix.de: Remove the now unused "sas_ha" local variables]

Link: https://lore.kernel.org/r/20210118100955.1761652-3-a.darwish@linutronix.de
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Ahmed S. Darwish <a.darwish@linutronix.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-01-22 21:31:07 -05:00
Ahmed S. Darwish
3f901c81df scsi: libsas: docs: Remove notify_ha_event()
The ->notify_ha_event() hook has long been removed from the libsas event
interface.

Remove it from documentation.

Link: https://lore.kernel.org/r/20210118100955.1761652-2-a.darwish@linutronix.de
Fixes: 042ebd293b ("scsi: libsas: kill useless ha_event and do some cleanup")
Cc: stable@vger.kernel.org
Reviewed-by: John Garry <john.garry@huawei.com>
Reviewed-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Ahmed S. Darwish <a.darwish@linutronix.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-01-22 21:31:07 -05:00
Hannes Reinecke
0653c358d2 scsi: Drop gdth driver
The gdth driver refers to a SCSI parallel, PCI-only HBA RAID adapter which
was manufactured by the now-defunct ICP Vortex company, later acquired by
Adaptec and superseded by the aacraid series of controllers.  The driver
itself would require a major overhaul before any modifications can be
attempted, but seeing that it's unlikely to have any users left it should
rather be removed completely.

Link: https://lore.kernel.org/r/20210113090500.129644-2-hare@suse.de
Cautiously-Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-01-22 21:14:07 -05:00
Linus Torvalds
3e4fb4346c SPDX patches for 5.10-rc1
Here are some SPDX-specific changes for 5.10-rc1.
 
 They include:
 	- driver fixes to make spdxcheck.pl work properly
 	- add GFDL licenses as "deprecated" but required due to some of
 	  our documentation using them
 	- add Zlib license as "deprecated" but required because we have
 	  code with this license in the tree.
 	- convert some drivers to have SPDX identifiers that previously
 	  didn't have them.
 
 All have been in linux-next for a very long time with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'spdx-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx

Pull SPDX updates from Greg KH:
 "Here are some SPDX-specific changes for 5.10-rc1.

  They include:

   - driver fixes to make spdxcheck.pl work properly

   - add GFDL licenses as "deprecated" but required due to some of our
     documentation using them

   - add Zlib license as "deprecated" but required because we have code
     with this license in the tree.

   - convert some drivers to have SPDX identifiers that previously
     didn't have them.

  All have been in linux-next for a very long time with no reported
  issues"

* tag 'spdx-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx:
  scripts/spdxcheck.py: handle license identifiers in XML comments
  net/mlx5: IPsec: make spdxcheck.py happy
  LICENSES/deprecated: add Zlib license text
  LICENSE: add GFDL deprecated licenses
  net/qla3xxx: Convert to SPDX license identifiers
  net/qlge: Convert to SPDX license identifiers
  net/qlcnic: Convert to SPDX license identifiers
  scsi/qla2xxx: Convert to SPDX license identifiers
  scsi/qla4xxx: Convert to SPDX license identifiers
2020-10-14 16:19:42 -07:00
Thomas Gleixner
77adf3f01b scsi/qla2xxx: Convert to SPDX license identifiers
All files in this driver directory contain the following notice:

  See LICENSE.qla2xxx for copyright and licensing details.

LICENSE.qla2xxx can be found in Documentation/scsi/. The file contains:

  - A copyright notice

    This copyright notice is redundant as all files contain the same
    copyright notice already

  - A license notice

    You may modify and redistribute the device driver code under the
    GNU General Public License (a copy of which is attached hereto as
    Exhibit A) published by the Free Software Foundation (version 2).

    This can be replaced with the corresponding SPDX license identifier
    (GPL-2.0-only) in the source files which reference this license
    file.

  - The full GPLv2 license text

    A redundant copy of LICENSES/preferred/GPL-2.0

Remove the notices and add the SPDX license identifier GPL-2.0-only to the
source files.

Finally remove the now redundant LICENSE.qla2xxx file.

Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Jilayne Lovejoy <opensource@jilayne.com>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Acked-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Acked-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-16 14:31:50 +02:00
Thomas Gleixner
e3976af5a4 scsi/qla4xxx: Convert to SPDX license identifiers
All files in this driver directory contain the following notice:

  See LICENSE.qla4xxx for copyright and licensing details.

LICENSE.qla4xxx can be found in Documentation/scsi/. The file contains:

  - A copyright notice

    This copyright notice is redundant as all files contain the same
    copyright notice already

  - A license notice

    You may modify and redistribute the device driver code under the
    GNU General Public License (a copy of which is attached hereto as
    Exhibit A) published by the Free Software Foundation (version 2).

  - The full GPLv2 license text

    This can be replaced with the corresponding SPDX license identifier
    (GPL-2.0-only) in the source files which reference this license
    file.

  - The full GPLv2 license text

    A redundant copy of LICENSES/preferred/GPL-2.0

Remove the notices and add the SPDX license identifier GPL-2.0-only to the
source files.

Finally remove the now redundant LICENSE.qla4xxx file.

Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Jilayne Lovejoy <opensource@jilayne.com>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Acked-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-16 14:31:36 +02:00
Nícolas F. R. A. Prado
5476b7f5ae scsi: docs: Remove obsolete scsi typedef text from scsi_mid_low_api
Commit 91ebc1facd ("scsi: core: remove Scsi_Cmnd typedef") removed the
Scsi_cmnd typedef but it was still mentioned in a paragraph in the "SCSI
mid_level - lower_level driver interface" documentation page.  Remove this
obsolete paragraph.

Link: https://lore.kernel.org/r/20200905210211.2286172-1-nfraprado@protonmail.com
Suggested-by: Randy Dunlap <rdunlap@infradead.org>
Suggested-by: Jonathan Corbet <corbet@lwn.net>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@protonmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-08 22:02:10 -04:00
Don Brace
5f59128c83 scsi: smartpqi: Update documentation
Change Microsemi references to Microchip.

Link: https://lore.kernel.org/r/159864895592.13630.18113151805817361168.stgit@brunhilda
Reviewed-by: Scott Teel <scott.teel@microsemi.com>
Reviewed-by: Scott Benesh <scott.benesh@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-02 22:49:06 -04:00
Randy Dunlap
3010dfb0b7 scsi: advansys: docs: Eliminate duplicated word
Drop the doubled word "be".

Link: https://lore.kernel.org/r/20200707180414.10467-18-rdunlap@infradead.org
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Hannes Reinecke <hare@suse.com>
Cc: linux-scsi@vger.kernel.org
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-08 01:32:11 -04:00
Benjamin Block
b9789bfbfe scsi: docs: Update outdated link to IBM developerworks
IBM decided to retire a lot of the content that was previously hosted on
"developerworks", and so some of the links we've used for documentation are
now dead or redirect to some general landing page with no correlation to
what the links were meant to provide.

The s390-tools package is meanwhile also hosted on github, so we can link
to the script directly instead of to the archive.

Link: https://lore.kernel.org/r/9ab0341d6ddca46cfc885e4cd9dc38f535969b02.1593780621.git.bblock@linux.ibm.com
Reviewed-by: Julian Wiedmann <jwi@linux.ibm.com>
Reviewed-by: Steffen Maier <maier@linux.ibm.com>
Signed-off-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-08 00:50:54 -04:00