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2020-03-11scsi: docs: convert lpfc.txt to ReSTMauro Carvalho Chehab
Link: https://lore.kernel.org/r/48c13184b77ba61ed4fd7c235816fdb8e7530664.1583136624.git.mchehab+huawei@kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: docs: convert link_power_management_policy.txt to ReSTMauro Carvalho Chehab
Link: https://lore.kernel.org/r/c56177fdf046d80e0dec6031c4139cb4e8c39d31.1583136624.git.mchehab+huawei@kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: docs: convert libsas.txt to ReSTMauro Carvalho Chehab
Link: https://lore.kernel.org/r/9022cb5551487f774cab16a828fe06b0b6b3add3.1583136624.git.mchehab+huawei@kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: docs: convert hptiop.txt to ReSTMauro Carvalho Chehab
Link: https://lore.kernel.org/r/d189a339bb360b7b397914ee3ddeb75d9a7fd788.1583136624.git.mchehab+huawei@kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: docs: convert hpsa.txt to ReSTMauro Carvalho Chehab
Link: https://lore.kernel.org/r/ea58e04176d43fb7194615b145060aa04c9cf3ad.1583136624.git.mchehab+huawei@kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: docs: convert g_NCR5380.txt to ReSTMauro Carvalho Chehab
Link: https://lore.kernel.org/r/a66e9ea704be6a7aa81b9864ad66a32b75ab808d.1583136624.git.mchehab+huawei@kernel.org Acked-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: docs: convert FlashPoint.txt to ReSTMauro Carvalho Chehab
Link: https://lore.kernel.org/r/e755b9644047eed6be69fcc77eb797f0801fcb99.1583136624.git.mchehab+huawei@kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: docs: convert dpti.txt to ReSTMauro Carvalho Chehab
Link: https://lore.kernel.org/r/212fd7961c134c5bd73d87cd818bcddc30270804.1583136624.git.mchehab+huawei@kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: docs: convert dc395x.txt to ReSTMauro Carvalho Chehab
Link: https://lore.kernel.org/r/3c0876df0045695185f922a0404c497a69de36a9.1583136624.git.mchehab+huawei@kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: docs: convert cxgb3i.txt to ReSTMauro Carvalho Chehab
Link: https://lore.kernel.org/r/0708b62b6ec4f0dddc581e412bb02ba6476f4523.1583136624.git.mchehab+huawei@kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: docs: convert BusLogic.txt to ReSTMauro Carvalho Chehab
Link: https://lore.kernel.org/r/750629b6a5233c85c5391c44d126606b8aabefc8.1583136624.git.mchehab+huawei@kernel.org Acked-by: Khalid Aziz <khalid@gonehiking.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: docs: convert bnx2fc.txt to ReSTMauro Carvalho Chehab
Link: https://lore.kernel.org/r/f239116bd2c36f6fc8deb62e325bb8161da04270.1583136624.git.mchehab+huawei@kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: docs: convert bfa.txt to ReSTMauro Carvalho Chehab
Link: https://lore.kernel.org/r/6660d0f83ddae2ab8efb31c39f9c220fc132e9d4.1583136624.git.mchehab+huawei@kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: docs: convert aic7xxx.txt to ReSTMauro Carvalho Chehab
Link: https://lore.kernel.org/r/dc2b1ffe4bf64cfc4b32328740704a30e8d38a79.1583136624.git.mchehab+huawei@kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: docs: convert aic79xx.txt to ReSTMauro Carvalho Chehab
Link: https://lore.kernel.org/r/e8a40337a2173f028c9ac569d3d71fd880f4fab5.1583136624.git.mchehab+huawei@kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: docs: convert aha152x.txt to ReSTMauro Carvalho Chehab
Link: https://lore.kernel.org/r/097cfcc7f25343676a1fedcefed7e3b91b41b4df.1583136624.git.mchehab+huawei@kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: docs: convert advansys.txt to ReSTMauro Carvalho Chehab
Link: https://lore.kernel.org/r/3c697a046e641c81cdfd0784f037d41d54766931.1583136624.git.mchehab+huawei@kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: docs: convert aacraid.txt to ReSTMauro Carvalho Chehab
Link: https://lore.kernel.org/r/67c60ad88777c91937d49771e2a3f48cbf353e4c.1583136624.git.mchehab+huawei@kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: docs: convert 53c700.txt to ReSTMauro Carvalho Chehab
Link: https://lore.kernel.org/r/a2e5116b70564f36b4fc7f1f1e5da1e693d7dadb.1583136624.git.mchehab+huawei@kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: docs: include SCSI Transport SRP diagram at the doc bodyMauro Carvalho Chehab
Instead of having a separate makefile, and be alone, group it at the SCSI documentation and make it being built as part of docs makefile. Link: https://lore.kernel.org/r/419c455fb40c9a1e85cc9a654a7fdb07aeeccf71.1583136624.git.mchehab+huawei@kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: docs: Add an empty index file for SCSI documentsMauro Carvalho Chehab
In preparation for adding the SCSI documents to the documentation body, add an empty index for it. The next patches should be adding contents to it, as files get converted to ReST format. Link: https://lore.kernel.org/r/4d8c1b7ebe5898ac4a8265ca5e5a9552da3b426f.1583136624.git.mchehab+huawei@kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: qla2xxx: add ring buffer for tracing debug logsRajan Shanmugavelu
Having this log in a ring buffer helps to diagnose qla2xxx driver and firmware issues instead of having to reproduce the problem with extended_logging enabled. This saves cycles and helps when it is hard to reproduce problem. Link: https://lore.kernel.org/r/1581557368-32080-1-git-send-email-rajan.shanmugavelu@oracle.com Reviewed-by: Joe Jin <joe.jin@oracle.com> Acked-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Rajan Shanmugavelu <rajan.shanmugavelu@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: aacraid: clean up warning cast-function-typePhong Tran
Make the aacraid driver -Wcast-function-type clean Report by: https://github.com/KSPP/linux/issues/20 drivers/scsi/aacraid/aachba.c:813:23: warning: cast between incompatible function types from 'int (*)(struct scsi_cmnd *)' to 'void (*)(struct scsi_cmnd *)' [-Wcast-function-type] Link: https://lore.kernel.org/r/20200309155319.12658-1-tranmanphong@gmail.com Reviewed-by: Bart van Assche <bvanassche@acm.org> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Phong Tran <tranmanphong@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: ufs-mediatek: fix HOST_PA_TACTIVATE quirk for Samsung UFS DevicesStanley Chu
Device quirk "UFS_DEVICE_QUIRK_HOST_PA_TACTIVATE" is enabled for all Samsung devices by default currently. However MediaTek UFS host requires different host PA_TACTIVATE configuration. Hence clear this quirk first and then apply vendor-specific value in vops callback. Link: https://lore.kernel.org/r/20200302135346.16797-1-stanley.chu@mediatek.com Reviewed-by: Avri Altman <avri.altman@wdc.com> Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: ibmvfc: Fix NULL return compiler warningBrian King
Fix up a compiler warning introduced via 54b04c99d02e Link: https://lore.kernel.org/r/1583159961-15903-1-git-send-email-brking@linux.vnet.ibm.com Fixes: 54b04c99d02e ("scsi: ibmvfc: Avoid loss of all paths during SVC node reboot") Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: fusion: fix if-statement empty body warningRandy Dunlap
When driver debugging is not enabled, change the debug print macros to use the no_printk() macro. This fixes a gcc warning when -Wextra is set: ../drivers/message/fusion/mptlan.c:266:39: warning: suggest braces around empty body in an ‘else’ statement [-Wempty-body] I have verified that there is very little object code change (with gcc 7.5.0). There are a few changes like: cmp %a,%b jl $1 to cmp %b,%a jg $1 Link: https://lore.kernel.org/r/ff9df31b-c4c1-c942-1cbf-18039e084c8e@infradead.org Cc: Bart Van Assche <bvanassche@acm.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: MPT-FusionLinux.pdl@broadcom.com Cc: Suganath Prabu Subramani <suganath-prabu.subramani@broadcom.com> Cc: Chaitra P B <chaitra.basappa@broadcom.com> Cc: Sathya Prakash <sathya.prakash@broadcom.com> Reviewed-by: Bart van Assche <bvanassche@acm.org> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: iscsi: Add support for asynchronous iSCSI session destructionFrank Mayhar
iSCSI session destruction can be arbitrarily slow, since it might require network operations and serialization inside the SCSI layer. This patch adds a new user event to trigger the destruction work asynchronously, releasing the rx_queue_mutex as soon as the operation is queued and before it is performed. This change allows other operations to run in other sessions in the meantime, removing one of the major iSCSI bottlenecks for us. To prevent the session from being used after the destruction request, we remove it immediately from the sesslist. This simplifies the locking required during the asynchronous removal. Link: https://lore.kernel.org/r/20200227195945.761719-1-krisman@collabora.com Co-developed-by: Gabriel Krisman Bertazi <krisman@collabora.com> Co-developed-by: Khazhismel Kumykov <khazhy@google.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com> Signed-off-by: Frank Mayhar <fmayhar@google.com> Signed-off-by: Khazhismel Kumykov <khazhy@google.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: aacraid: Disabling TM path and only processing IOP resetSagar Biradar
Fixes the occasional adapter panic when sg_reset is issued with -d, -t, -b and -H flags. Removal of command type HBA_IU_TYPE_SCSI_TM_REQ in aac_hba_send since iu_type, request_id and fib_flags are not populated. Device and target reset handlers are made to send TMF commands only when reset_state is 0. Link: https://lore.kernel.org/r/1581553771-25796-1-git-send-email-Sagar.Biradar@microchip.com Reviewed-by: Sagar Biradar <Sagar.Biradar@microchip.com> Signed-off-by: Sagar Biradar <Sagar.Biradar@microchip.com> Signed-off-by: Balsundar P <balsundar.p@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: ibmvfc: Avoid loss of all paths during SVC node rebootBrian King
When an SVC node goes down as part of a node reboot, its WWPNs are moved to the remaining node. When the node is back online, its WWPNs are moved back. The result is that the WWPN moves from one NPort_ID to another, then back again. The ibmvfc driver was forcing the old port to be removed, but not sending an implicit logout. When the WWPN showed up at the new location, the PLOGI failed as there was already a login established for the old scsi id. The patch below fixes this by ensuring we always send an implicit logout for any scsi id associated with an rport prior to calling fc_remote_port_delete. Link: https://lore.kernel.org/r/1582767943-16611-1-git-send-email-brking@linux.vnet.ibm.com Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-11scsi: Replace zero-length array with flexible-array memberGustavo A. R. Silva
The current codebase makes use of the zero-length array language extension to the C90 standard, but the preferred mechanism to declare variable-length types such as these ones is a flexible array member[1][2], introduced in C99: struct foo { int stuff; struct boo array[]; }; By making use of the mechanism above, we will get a compiler warning in case the flexible array does not occur last in the structure, which will help us prevent some kind of undefined behavior bugs from being inadvertently introduced[3] to the codebase from now on. Also, notice that, dynamic memory allocations won't be affected by this change: "Flexible array members have incomplete type, and so the sizeof operator may not be applied. As a quirk of the original implementation of zero-length arrays, sizeof evaluates to zero."[1] This issue was found with the help of Coccinelle. [1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html [2] https://github.com/KSPP/linux/issues/21 [3] commit 76497732932f ("cxgb3/l2t: Fix undefined behaviour") Link: https://lore.kernel.org/r/20200224161406.GA21454@embeddedor Reviewed-by: Lee Duncan <lduncan@suse.com> Reviewed-by: Satish Kharat <satishkh@cisco.com> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-02-28scsi: ufs: Simplify two testsBart Van Assche
lrbp->cmd is set only for SCSI commands. Use this knowledge to simplify two boolean expressions. Link: https://lore.kernel.org/r/20200123035637.21848-4-bvanassche@acm.org Cc: Alim Akhtar <alim.akhtar@samsung.com> Cc: Tomas Winkler <tomas.winkler@intel.com> Cc: Bean Huo <beanhuo@micron.com> Cc: Can Guo <cang@codeaurora.org> Reviewed-by: Stanley Chu <stanley.chu@mediatek.com> Reviewed-by: Asutosh Das <asutoshd@codeaurora.org> Reviewed-by: Avri Altman <avri.altman@wdc.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-02-28scsi: ufs: Introduce ufshcd_init_lrb()Bart Van Assche
This patch does not change any functionality but makes the next patch in this series easier to read. Link: https://lore.kernel.org/r/20200123035637.21848-3-bvanassche@acm.org Cc: Tomas Winkler <tomas.winkler@intel.com> Cc: Stanley Chu <stanley.chu@mediatek.com> Cc: Bean Huo <beanhuo@micron.com> Cc: Can Guo <cang@codeaurora.org> Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com> Reviewed-by: Avri Altman <avri.altman@wdc.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-02-28scsi: core: Introduce {init,exit}_cmd_priv()Bart Van Assche
The current behavior of the SCSI core is to clear driver-private data before preparing a request for submission to the SCSI LLD. Make it possible for SCSI LLDs to disable clearing of driver-private data. These hooks will be used by a later patch, namely "scsi: ufs: Let the SCSI core allocate per-command UFS data". Link: https://lore.kernel.org/r/20200123035637.21848-2-bvanassche@acm.org Cc: Tomas Winkler <tomas.winkler@intel.com> Cc: Stanley Chu <stanley.chu@mediatek.com> Cc: Bean Huo <beanhuo@micron.com> Cc: Avri Altman <avri.altman@wdc.com> Cc: Can Guo <cang@codeaurora.org> Cc: Ming Lei <ming.lei@redhat.com> Cc: Johannes Thumshirn <jth@kernel.org> Cc: Hannes Reinecke <hare@suse.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-02-28scsi: core: Remove cmd_list functionalityHannes Reinecke
Remove cmd_list functionality; no users left. With that the scsi_put_command() becomes empty, so remove that one, too. Link: https://lore.kernel.org/r/20200228075318.91255-14-hare@suse.de Reviewed-by: Christoph Hellwig <hch@lst.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>
2020-02-28scsi: aacraid: use scsi_host_busy_iter() in get_num_of_incomplete_fibs()Hannes Reinecke
Use the SCSI midlayer helper to traverse the number of outstanding commands. This also eliminates the last usage for the cmd_list functionality so we can drop it. Link: https://lore.kernel.org/r/20200228075318.91255-13-hare@suse.de Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Balsundar P <balsundar.p@microchip.com> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-02-28scsi: aacraid: use scsi_host_busy_iter() to wait for outstanding commandsHannes Reinecke
Instead of traversing the list of possible commands by hands we should be using scsi_host_busy_iter() to figure out if there are outstanding commands. Link: https://lore.kernel.org/r/20200228075318.91255-12-hare@suse.de Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Balsundar P < Balsundar.P@microchip.com> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-02-28scsi: core: add scsi_host_busy_iter()Hannes Reinecke
Add an iterator scsi_host_busy_iter() to traverse all busy commands. If locking against concurrent command completions is required, it has to be provided by the caller. Link: https://lore.kernel.org/r/20200228075318.91255-11-hare@suse.de Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-02-28scsi: aacraid: use scsi_host_(block,unblock) to block I/OHannes Reinecke
Use scsi_host_block() and scsi_host_unblock() instead of scsi_block_requests()/scsi_unblock_requests() to block and unblock I/O. This has the advantage that the block layer will stop sending I/O to the adapter instead of having the SCSI midlayer requeueing I/O internally. Link: https://lore.kernel.org/r/20200228075318.91255-10-hare@suse.de Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Balsundar P < Balsundar.P@microchip.com> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-02-28scsi: core: add scsi_host_(block,unblock) helper functionHannes Reinecke
Add helper functions to call scsi_internal_device_block()/ scsi_internal_device_unblock() for all attached devices on a SCSI host. Link: https://lore.kernel.org/r/20200228075318.91255-9-hare@suse.de Reviewed-by: Christoph Hellwig <hch@lst.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>
2020-02-28scsi: aacraid: move scsi_(block,unblock)_requests out of _aac_reset_adapter()Hannes Reinecke
_aac_reset_adapter() only has one caller, and that one already calls scsi_block_requests(). Move the calls out of _aac_reset_adapter() to avoid calling scsi_block_requests() twice. Link: https://lore.kernel.org/r/20200228075318.91255-8-hare@suse.de Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Balsundar P < Balsundar.P@microchip.com> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-02-28scsi: aacraid: replace aac_flush_ios() with midlayer helperHannes Reinecke
Use the midlayer helper scsi_host_complete_all_commands() to flush all outstanding commands. Link: https://lore.kernel.org/r/20200228075318.91255-7-hare@suse.de Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Acked-by: Balsundar P <balsundar.p@microchip.com> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-02-28scsi: aacraid: use scsi_host_complete_all_commands() to terminate ↵Hannes Reinecke
outstanding commands Use scsi_host_complete_all_commands() to terminate all outstanding commands and change the command result for terminated commands to the more common 'DID_RESET' instead of 'QUEUE_FULL'. Link: https://lore.kernel.org/r/20200228075318.91255-6-hare@suse.de Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Acked-by: Balsundar P <balsundar.p@microchip.com> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-02-28scsi: aacraid: Do not wait for outstanding write commands on synchronize_cacheHannes Reinecke
There is no need to wait for outstanding write commands on synchronize cache; the block layer is responsible for I/O scheduling, no need to out-guess it in the driver layer. Link: https://lore.kernel.org/r/20200228075318.91255-5-hare@suse.de Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Balsundar P <balsundar.b@microchip.com> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-02-28scsi: dpt_i2o: use scsi_host_complete_all_commands() to abort outstanding ↵Hannes Reinecke
commands Rather than traversing all outstanding commands manually, use the scsi_host_complete_all_commands() helper to terminate all commands during reset. With that we can drop the cmd_list usage from the midlayer. Link: https://lore.kernel.org/r/20200228075318.91255-4-hare@suse.de Reviewed-by: Christoph Hellwig <hch@lst.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>
2020-02-28scsi: core: add scsi_host_complete_all_commands() helperHannes Reinecke
Add a helper scsi_host_complete_all_commands() to terminate all outstanding commands on a SCSI host. Link: https://lore.kernel.org/r/20200228075318.91255-3-hare@suse.de Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-02-28scsi: dpt_i2o: rename adpt_i2o_to_scsi() to adpt_i2o_scsi_complete()Hannes Reinecke
Rename the badly named function into adpt_i2o_scsi_complete(), and make it a void function as the return value is never used. This also fixes a potential use-after-free as the return value might be evaluated from the command result after the command has been freed. Link: https://lore.kernel.org/r/20200228075318.91255-2-hare@suse.de Reviewed-by: Christoph Hellwig <hch@lst.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>
2020-02-28scsi: core: use kobj_to_devGuosong Su
Use kobj_to_dev to instead of open-coding it. Link: https://lore.kernel.org/r/20200225100411.10250-1-guosongsu@gmail.com Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Guosong Su <suguosong@xiaomi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-02-28scsi: ufs: ufs-mediatek: add waiting time for reference clockStanley Chu
Some delays may be required either after gating or before ungating reference clock for device according to vendor requirements. Note that in UFS 3.0, the delay time after gating reference clock can be defined by attribute bRefClkGatingWaitTime. Use the formal value instead if it can be queried from device. Link: https://lore.kernel.org/r/20200220134848.8807-2-stanley.chu@mediatek.com Reviewed-by: Bean Huo <beanhuo@micron.com> Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-02-28scsi: ufs-qcom: Apply QUIRK_HOST_TACTIVATE for WDC UFS devicesCan Guo
Western Digital UFS devices require host's PA_TACTIVATE to be lower than device's PA_TACTIVATE, otherwise it may get stuck during hibern8 sequence. Link: https://lore.kernel.org/r/1582517363-11536-3-git-send-email-cang@codeaurora.org Reviewed-by: Asutosh Das <asutoshd@codeaurora.org> Acked-by: Avri Altman <avri.altman@wdc.com> Signed-off-by: Can Guo <cang@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-02-28scsi: ufs: Allow vendor device quirks to be applied earlyCan Guo
Currently ufshcd_vops_apply_dev_quirks() comes after all UniPro parameters have been tuned. Move it up so that vendors have a chance to apply device quirks in advance. Link: https://lore.kernel.org/r/1582517363-11536-2-git-send-email-cang@codeaurora.org Reviewed-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Can Guo <cang@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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