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2020-09-15scsi: myrb: Make some symblos staticJason Yan
This addresses the following sparse warning: drivers/scsi/myrb.c:2229:27: warning: symbol 'myrb_template' was not declared. Should it be static? drivers/scsi/myrb.c:2318:31: warning: symbol 'myrb_raid_functions' was not declared. Should it be static? drivers/scsi/myrb.c:2492:6: warning: symbol 'myrb_err_status' was not declared. Should it be static? Link: https://lore.kernel.org/r/20200915084018.2826922-1-yanaijie@huawei.com Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: myrs: Make some symbols staticJason Yan
This addresses the following sparse warning: drivers/scsi/myrs.c:1532:5: warning: symbol 'myrs_host_reset' was not declared. Should it be static? drivers/scsi/myrs.c:1922:27: warning: symbol 'myrs_template' was not declared. Should it be static? drivers/scsi/myrs.c:2036:31: warning: symbol 'myrs_raid_functions' was not declared. Should it be static? drivers/scsi/myrs.c:2046:6: warning: symbol 'myrs_flush_cache' was not declared. Should it be static? Link: https://lore.kernel.org/r/20200915084008.2826835-1-yanaijie@huawei.com Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: isci: Make scu_link_layer_set_txcomsas_timeout() staticJason Yan
This addresses the following sparse warning: drivers/scsi/isci/phy.c:672:6: warning: symbol 'scu_link_layer_set_txcomsas_timeout' was not declared. Should it be static? Link: https://lore.kernel.org/r/20200915084000.2826741-1-yanaijie@huawei.com Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: bnx2fc: Make a bunch of symbols static in bnx2fc_fcoe.cJason Yan
This eliminates the following sparse warning: drivers/scsi/bnx2fc/bnx2fc_fcoe.c:53:1: warning: symbol 'bnx2fc_global_lock' was not declared. Should it be static? drivers/scsi/bnx2fc/bnx2fc_fcoe.c:111:6: warning: symbol 'bnx2fc_devloss_tmo' was not declared. Should it be static? drivers/scsi/bnx2fc/bnx2fc_fcoe.c:116:6: warning: symbol 'bnx2fc_max_luns' was not declared. Should it be static? drivers/scsi/bnx2fc/bnx2fc_fcoe.c:121:6: warning: symbol 'bnx2fc_queue_depth' was not declared. Should it be static? drivers/scsi/bnx2fc/bnx2fc_fcoe.c:126:6: warning: symbol 'bnx2fc_log_fka' was not declared. Should it be static? Link: https://lore.kernel.org/r/20200912033758.142601-1-yanaijie@huawei.com Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: isci: Make isci_host_attrs staticJason Yan
This eliminates the following sparse warning: drivers/scsi/isci/init.c:145:25: warning: symbol 'isci_host_attrs' was not declared. Should it be static? Link: https://lore.kernel.org/r/20200912033741.142415-1-yanaijie@huawei.com Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: aacraid: Make some symbols static in aachba.cJason Yan
This eliminates the following sparse warning: drivers/scsi/aacraid/aachba.c:245:5: warning: symbol 'aac_convert_sgl' was not declared. Should it be static? drivers/scsi/aacraid/aachba.c:293:5: warning: symbol 'acbsize' was not declared. Should it be static? drivers/scsi/aacraid/aachba.c:324:5: warning: symbol 'aac_wwn' was not declared. Should it be static? Link: https://lore.kernel.org/r/20200912033749.142488-1-yanaijie@huawei.com Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: sym53c8xx_2: Delete unnecessary else-if in sym_xerr_cam_status()Ye Bin
If (x_status & XE_PARITY_ERR) is true we set cam_status = DID_PARITY, othervise cam_status always ends up being DID_ERROR. Delete superfluous else-if statements. Link: https://lore.kernel.org/r/20200902061646.576966-1-yebin10@huawei.com Signed-off-by: Ye Bin <yebin10@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: ibmvfc: Avoid link down on FS9100 canister rebootBrian King
When a canister on a FS9100, or similar storage, running in NPIV mode, is rebooted, its WWPNs will fail over to another canister. When this occurs, we see a WWPN going away from the fabric at one N-Port ID, and, a short time later, the same WWPN appears at a different N-Port ID. When the canister is fully operational again, the WWPNs fail back to the original canister. If there is any I/O outstanding to the target when this occurs, it will result in the implicit logout the ibmvfc driver issues before removing the rport to fail. When the WWPN then shows up at a different N-Port ID, and we issue a PLOGI to it, the VIOS will see that it still has a login for this WWPN at the old N-Port ID, which results in the VIOS simulating a link down / link up sequence to the client, in order to get the VIOS and client LPAR in sync. The patch below improves the way we handle this scenario so as to avoid the link bounce, which affects all targets under the virtual host adapter. The change is to utilize the Move Login MAD, which will work even when I/O is outstanding to the target. The change only alters the target state machine for the case where the implicit logout fails prior to deleting the rport. If this implicit logout fails, we defer deleting the ibmvfc_target object after calling fc_remote_port_delete. This enables us to later retry the implicit logout after terminate_rport_io occurs, or to issue the Move Login request if a WWPN shows up at a new N-Port ID prior to this occurring. This has been tested by IBM's storage interoperability team on a FS9100, forcing the failover to occur. With debug tracing enabled in the ibmvfc driver, we confirmed the move login was sent in this scenario and confirmed the link bounce no longer occurred. [mkp: fix checkpatch warnings] Link: https://lore.kernel.org/r/1599859706-8505-1-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>
2020-09-15scsi: core: Update additional sense codes listDamien Le Moal
Add missing Additional Sense Codes listed in http://www.t10.org/lists/asc-num.txt. Link: https://lore.kernel.org/r/20200910074843.217661-3-damien.lemoal@wdc.com Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: core: Clean up scsi_noretry_cmd()Damien Le Moal
No need for else after return. Link: https://lore.kernel.org/r/20200910074843.217661-2-damien.lemoal@wdc.com Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: target: tcmu: Add missing newline when printing parametersXiongfeng Wang
The tcmu 'global_max_data_area_mb' parameter in sysfs is missing a newline. Add it. Link: https://lore.kernel.org/r/1599132573-33818-1-git-send-email-wangxiongfeng2@huawei.com Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: ufs: Fix NOP OUT timeout valueDaejun Park
Boot occasionally fails with some Samsung low-power UFS devices. The reason is that these devices have a little bit higher latency for NOP OUT responses. This causes boot to fail because the NOP OUT command is issued during initialization to check whether the device transport protocol is ready or not. Increase NOP_OUT_TIMEOUT value from 30 to 50ms. Link: https://lore.kernel.org/r/231786897.01599016081767.JavaMail.epsvc@epcpadp2 Acked-by: Avri Altman <avri.altman@wdc.com> Signed-off-by: Daejun Park <daejun7.park@samsung.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: mpt3sas: A small correction in _base_process_reply_queueTomas Henzl
There is no need to compute modulo. A simple comparison is good enough. Link: https://lore.kernel.org/r/20200911180057.14633-1-thenzl@redhat.com Acked-by: sreekanth reddy <sreekanth.reddy@broadcom.com> Signed-off-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: mpt3sas: Fix sync irqsTomas Henzl
_base_process_reply_queue() called from _base_interrupt() may schedule a new irq poll. Fix this by calling synchronize_irq() first. Also ensure that enable_irq() is called only when necessary to avoid "Unbalanced enable for IRQ..." errors. Link: https://lore.kernel.org/r/20200910142126.8147-1-thenzl@redhat.com Fixes: 320e77acb327 ("scsi: mpt3sas: Irq poll to avoid CPU hard lockups") Acked-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com> Signed-off-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: mpt3sas: Detect tampered Aero and Sea adaptersSreekanth Reddy
The driver will throw an error message when a tampered type controller is detected. The intent is to avoid interacting with any firmware which is not secured/signed by Broadcom. Any tampering on firmware component will be detected by hardware and it will be communicated to the driver to avoid any further interaction with that component. [mkp: switched back to dev_err] Link: https://lore.kernel.org/r/20200814130426.2741171-1-sreekanth.reddy@broadcom.com Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: megaraid: Make smp_affinity_enable staticJason Yan
This addresses the following sparse warning: drivers/scsi/megaraid/megaraid_sas_base.c:80:5: warning: symbol 'smp_affinity_enable' was not declared. Should it be static? Link: https://lore.kernel.org/r/20200915083948.2826598-1-yanaijie@huawei.com Reported-by: Hulk Robot <hulkci@huawei.com> Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: target: Remove redundant assignment to variable 'ret'Jing Xiangfeng
The variable ret has been initialized with a value '0'. The assignment in switch-case is redundant. Remove it. Link: https://lore.kernel.org/r/20200914023207.113792-1-jingxiangfeng@huawei.com Reviewed-by: Maurizio Lombardi <mlombard@redhat.com> Signed-off-by: Jing Xiangfeng <jingxiangfeng@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: zfcp: Clarify access to erp_action in zfcp_fsf_req_complete()Julian Wiedmann
While reviewing commit 936e6b85da04 ("scsi: zfcp: Fix panic on ERP timeout for previously dismissed ERP action"), I stumbled over zfcp_fsf_req_complete() and wondered whether it has similar issues wrt concurrent modification of req->erp_action by zfcp_erp_strategy_check_fsfreq(). But a closer look shows that both its two callers [zfcp_fsf_reqid_check(), zfcp_fsf_req_dismiss_all()] remove the request from the adapter's req_list under the req_list's lock. Hence we can trust that if zfcp_erp_strategy_check_fsfreq() concurrently looks up the corresponding req_id, it won't find this request and is thus unable to modify it while it's being processed by zfcp_fsf_req_complete(). Add a code comment that hopefully makes this easier for future readers, and condense the two accesses to ->erp_action that made me trip over this code path in the first place. Link: https://lore.kernel.org/r/c500eac301fcbba5af942bbd200f2d6b14e46994.1599765652.git.bblock@linux.ibm.com Reviewed-by: Steffen Maier <maier@linux.ibm.com> Reviewed-by: Benjamin Block <bblock@linux.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: Benjamin Block <bblock@linux.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: zfcp: Use list_first_entry_or_null() in zfcp_erp_thread()Julian Wiedmann
Use the right helper to avoid poking around in the list's internals. Link: https://lore.kernel.org/r/ed669555c73aab95b29444c10066f492c0c43391.1599765652.git.bblock@linux.ibm.com Reviewed-by: Steffen Maier <maier@linux.ibm.com> Reviewed-by: Benjamin Block <bblock@linux.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: Benjamin Block <bblock@linux.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: aic94xx: Remove unused inline functionYueHaibing
There is no caller in tree. Remove it. Link: https://lore.kernel.org/r/20200909135711.35728-1-yuehaibing@huawei.com Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: libfc: Fix passing zero to 'PTR_ERR' warningYueHaibing
drivers/scsi/libfc/fc_disc.c:304 fc_disc_error() warn: passing zero to 'PTR_ERR' fp may be NULL in fc_disc_error(), use PTR_ERR_OR_ZERO to handle this. Link: https://lore.kernel.org/r/20200909135432.36772-1-yuehaibing@huawei.com Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: fnic: Remove unneeded semicolonJason Yan
This addresses the following coccinelle warning: drivers/scsi/fnic/fnic_main.c:446:2-3: Unneeded semicolon Link: https://lore.kernel.org/r/20200911091057.2938685-1-yanaijie@huawei.com Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: nsp32: Remove unneeded semicolonJason Yan
This addresses the following coccinelle warning: drivers/scsi/nsp32.c:1250:4-5: Unneeded semicolon drivers/scsi/nsp32.c:1842:2-3: Unneeded semicolon Link: https://lore.kernel.org/r/20200911091049.2938158-1-yanaijie@huawei.com Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: sym53c8xx_2: Remove unneeded semicolonJason Yan
This addresses the following coccinelle warning: drivers/scsi/sym53c8xx_2/sym_fw.c:372:3-4: Unneeded semicolon drivers/scsi/sym53c8xx_2/sym_fw.c:480:3-4: Unneeded semicolon drivers/scsi/sym53c8xx_2/sym_fw.c:536:2-3: Unneeded semicolon Link: https://lore.kernel.org/r/20200911091031.2937834-1-yanaijie@huawei.com Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: qla2xxx: Remove unneeded variable 'rval'Jason Yan
This addresses the following coccinelle warning: drivers/scsi/qla2xxx/qla_init.c:7112:5-9: Unneeded variable: "rval". Return "QLA_SUCCESS" on line 7115 Link: https://lore.kernel.org/r/20200911091021.2937708-1-yanaijie@huawei.com Reported-by: Hulk Robot <hulkci@huawei.com> Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15scsi: ufs-pci: Add LTR support for Intel controllersAdrian Hunter
Intel host controllers support the setting of latency tolerance. Accordingly, implement the PM QoS ->set_latency_tolerance() callback. The raw register values are also exposed via debugfs. Link: https://lore.kernel.org/r/20200827072030.24655-1-adrian.hunter@intel.com Fixes: 8c09d7527697 ("scsi: ufshdc-pci: Add Intel PCI IDs for EHL") Fixes: 1ab27c9cf8b6 ("ufs: Add support for clock gating") Reviewed-by: Avri Altman <avri.altman@wdc.com> Acked-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-15Merge branch '5.9/scsi-fixes' into 5.10/scsi-ufsMartin K. Petersen
Resolve UFS discrepancies between fixes and queue. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-09scsi: lpfc: Remove set but not used 'qp'Ye Bin
This addresses the following gcc warning with "make W=1": not used [-Wunused-but-set-variable] struct lpfc_sli4_hdw_queue *qp; ^ Link: https://lore.kernel.org/r/20200909082716.37787-1-yebin10@huawei.com Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Ye Bin <yebin10@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> drivers/scsi/lpfc/lpfc_debugfs.c: In function ‘lpfc_debugfs_hdwqstat_data’: drivers/scsi/lpfc/lpfc_debugfs.c:1699:30: warning: variable ‘qp’ set but
2020-09-09scsi: gdth: Remove set but used 'cmd_index'Ye Bin
This addresses the following gcc warning with "make W=1": drivers/scsi/gdth.c: In function ‘gdth_async_event’: drivers/scsi/gdth.c:3010:9: warning: variable ‘cmd_index’ set but not used [-Wunused-but-set-variable] int cmd_index; Link: https://lore.kernel.org/r/20200909082627.101984-1-yebin10@huawei.com Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Ye Bin <yebin10@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-09scsi: pmcraid: Remove set but not used 'res'Ye Bin
This addresses the following gcc warning with "make W=1": drivers/scsi/pmcraid.c: In function ‘pmcraid_abort_cmd’: drivers/scsi/pmcraid.c:2863:33: warning: variable ‘res’ set but not used [-Wunused-but-set-variable] struct pmcraid_resource_entry *res; ^ Link: https://lore.kernel.org/r/20200909082627.101984-2-yebin10@huawei.com Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Ye Bin <yebin10@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-09scsi: qla1280: Remove set but not used variable in qla1280_status_entry()Jason Yan
This addresses the following gcc warning with "make W=1": drivers/scsi/qla1280.c: In function ‘qla1280_status_entry’: drivers/scsi/qla1280.c:3607:28: warning: variable ‘lun’ set but not used [-Wunused-but-set-variable] 3607 | unsigned int bus, target, lun; | ^~~ drivers/scsi/qla1280.c:3607:20: warning: variable ‘target’ set but not used [-Wunused-but-set-variable] 3607 | unsigned int bus, target, lun; | ^~~~~~ drivers/scsi/qla1280.c:3607:15: warning: variable ‘bus’ set but not used [-Wunused-but-set-variable] 3607 | unsigned int bus, target, lun; | ^~~ Link: https://lore.kernel.org/r/20200907074518.2326360-5-yanaijie@huawei.com Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-09scsi: qla1280: Remove set but not used variable in qla1280_mailbox_command()Jason Yan
This addresses the following gcc warning with "make W=1": drivers/scsi/qla1280.c: In function ‘qla1280_mailbox_command’: drivers/scsi/qla1280.c:2430:11: warning: variable ‘data’ set but not used [-Wunused-but-set-variable] 2430 | uint16_t data; | ^~~~ Link: https://lore.kernel.org/r/20200907074518.2326360-4-yanaijie@huawei.com Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-09scsi: qla1280: Remove set but not used variable in qla1280_nvram_config()Jason Yan
This addresses the following gcc warning with "make W=1": drivers/scsi/qla1280.c: In function ‘qla1280_nvram_config’: drivers/scsi/qla1280.c:2188:36: warning: variable ‘ddma_conf’ set but not used [-Wunused-but-set-variable] 2188 | uint16_t hwrev, cfg1, cdma_conf, ddma_conf; | ^~~~~~~~~ Link: https://lore.kernel.org/r/20200907074518.2326360-3-yanaijie@huawei.com Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-09scsi: qla1280: Remove set but not used variable in qla1280_done()Jason Yan
This addresses the following gcc warning with "make W=1": drivers/scsi/qla1280.c: In function ‘qla1280_done’: drivers/scsi/qla1280.c:1244:19: warning: variable ‘lun’ set but not used [-Wunused-but-set-variable] 1244 | int bus, target, lun; | ^~~ Link: https://lore.kernel.org/r/20200907074518.2326360-2-yanaijie@huawei.com Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-09scsi: ufs: Fix 'unmet direct dependencies' config warningAlim Akhtar
With !CONFIG_OF and SCSI_UFS_EXYNOS selected, the below warning is given: WARNING: unmet direct dependencies detected for PHY_SAMSUNG_UFS Depends on [n]: OF [=n] && (ARCH_EXYNOS || COMPILE_TEST [=y]) Selected by [y]: - SCSI_UFS_EXYNOS [=y] && SCSI_LOWLEVEL [=y] && SCSI [=y] && SCSI_UFSHCD_PLATFORM [=y] && (ARCH_EXYNOS || COMPILE_TEST [=y]) Fix it by removing PHY_SAMSUNG_UFS dependency. Link: https://lore.kernel.org/r/20200721172021.28922-1-alim.akhtar@samsung.com Reported-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-09scsi: ibmvfc: Fix error return in ibmvfc_probe()Jing Xiangfeng
Fix to return error code PTR_ERR() from the error handling case instead of 0. Link: https://lore.kernel.org/r/20200907083949.154251-1-jingxiangfeng@huawei.com Acked-by: Tyrel Datwyler <tyreld@linux.ibm.com> Signed-off-by: Jing Xiangfeng <jingxiangfeng@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-09scsi: ufs: ufs-mediatek: Fix build warnings with make W=1Stanley Chu
Fix build warnings with make W=1 as below, 1. >> drivers/scsi/ufs/ufs-mediatek.c:116:22: warning: format '%d' expects >> argument of type 'int', but argument 4 has type 'long int' 2. CC [M] drivers/scsi/ufs/ufs-mediatek.o ../drivers/scsi/ufs/ufs-mediatek.c:749: error: Cannot parse struct or union! /** is used specifically with kernel-doc tool. As a quick fix by removing dubious /** in the comment block of struct ufs_hba_variant_ops ufs_hba_mtk_vops. Link: https://lore.kernel.org/r/20200910013756.11385-1-stanley.chu@mediatek.com Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-09scsi: qla2xxx: Handle incorrect entry_type entriesDaniel Wagner
It was observed on an ISP8324 16Gb HBA with fw=8.08.203 (d0d5) in a PowerPC64 machine that pkt->entry_type was MBX_IOCB_TYPE/0x39 with an sp->type SRB_SCSI_CMD which is invalid and should not be possible. Reading the entry_type from the crash dump shows the expected value of STATUS_TYPE/0x03 but the call trace shows that qla24xx_mbx_iocb_entry() is used. Add a check to verify for consistency and reset the HBA if an invalid state is reached. Obviously, this is only a workaround until the real problem is solved. Link: https://lore.kernel.org/r/20200908081516.8561-5-dwagner@suse.de Reviewed-by: Arun Easi <aeasi@marvell.com> Signed-off-by: Daniel Wagner <dwagner@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-09scsi: qla2xxx: Log calling function name in qla2x00_get_sp_from_handle()Daniel Wagner
Commit 7c3df1320e5e ("[SCSI] qla2xxx: Code changes to support new dynamic logging infrastructure.") removed the use of the func argument. Let's add it back. Link: https://lore.kernel.org/r/20200908081516.8561-4-dwagner@suse.de Reviewed-by: Arun Easi <aeasi@marvell.com> Signed-off-by: Daniel Wagner <dwagner@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-09scsi: qla2xxx: Simplify return value logic in qla2x00_get_sp_from_handle()Daniel Wagner
Refactor qla2x00_get_sp_from_handle() to avoid the unnecessary goto if early returns are used. With this we can also avoid preinitialzing the sp pointer. Link: https://lore.kernel.org/r/20200908081516.8561-3-dwagner@suse.de Reviewed-by: Martin Wilck <mwilck@suse.com> Reviewed-by: Arun Easi <aeasi@marvell.com> Signed-off-by: Daniel Wagner <dwagner@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-09scsi: qla2xxx: Warn if done() or free() are called on an already freed srbDaniel Wagner
Emit a warning when ->done or ->free are called on an already freed srb. There is a hidden use-after-free bug in the driver which corrupts the srb memory pool which originates from the cleanup callbacks. An extensive search didn't bring any lights on the real problem. The initial fix was to set both pointers to NULL and try to catch invalid accesses. But instead the memory corruption was gone and the driver didn't crash. Since not all calling places check for NULL pointer, add explicitly default handlers. With this we workaround the memory corruption and add a debug help. Link: https://lore.kernel.org/r/20200908081516.8561-2-dwagner@suse.de Reviewed-by: Martin Wilck <mwilck@suse.com> Reviewed-by: Arun Easi <aeasi@marvell.com> Signed-off-by: Daniel Wagner <dwagner@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-09scsi: libsas: Fix error path in sas_notify_lldd_dev_found()Dan Carpenter
In sas_notify_lldd_dev_found(), if we can't allocate the necessary resources, then it seems like the wrong thing to mark the device as found and to increment the reference count. None of the callers ever drop the reference in that situation. [mkp: tweaked commit desc based on feedback from John] Link: https://lore.kernel.org/r/20200905125836.GF183976@mwanda Fixes: 735f7d2fedf5 ("[SCSI] libsas: fix domain_device leak") Reviewed-by: Jason Yan <yanaijie@huawei.com> Acked-by: John Garry <john.garry@huawei.com> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-08scsi: qedf: Retry qed->probe during recoverySaurav Kashyap
During recovery due to FCoE fn ramrod failure we wait for 2 sec and then call qed->probe. If probe fails then retry max 10 times. Link: https://lore.kernel.org/r/20200907121443.5150-8-jhasan@marvell.com Signed-off-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Javed Hasan <jhasan@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-08scsi: qedf: Add schedule_hw_err_handler callback for fan failureSaurav Kashyap
On fan failure, disable the PCI function and initiate recovery for ramrod failure. Link: https://lore.kernel.org/r/20200907121443.5150-7-jhasan@marvell.com Signed-off-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Javed Hasan <jhasan@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-08scsi: qedf: Return SUCCESS if stale rport is encounteredSaurav Kashyap
If SUCCESS is not returned, error handling will escalate. Return SUCCESS similar to other conditions in this function. Link: https://lore.kernel.org/r/20200907121443.5150-6-jhasan@marvell.com Signed-off-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Javed Hasan <jhasan@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-08scsi: qedf: FDMI attributes correctionJaved Hasan
Correction in the FDMI attributes required for RHBA and RPA registration. Link: https://lore.kernel.org/r/20200907121443.5150-5-jhasan@marvell.com Signed-off-by: Javed Hasan <jhasan@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-08scsi: qedf: Fix for the session’s E_D_TOV valueJaved Hasan
Firmware expects E_D_TOV field in connection offload parameters as “msec”. Earlier incorrect value (100ms), was leading to abort from driver in the case when data frames for read take more than 100ms from target side, resulting in firmware reporting E_D_TOV expiration. Link: https://lore.kernel.org/r/20200907121443.5150-4-jhasan@marvell.com Signed-off-by: Javed Hasan <jhasan@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-08scsi: qedf: Correct the comment in qedf_initiate_elsSaurav Kashyap
Correct the misleading comment in qedf_initiate_els(). Link: https://lore.kernel.org/r/20200907121443.5150-3-jhasan@marvell.com Signed-off-by: Saurav Kashyap <skashyap@marvell.com> Signed-off-by: Javed Hasan <jhasan@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-08scsi: qedf: Change the debug parameter permission to read & writeJaved Hasan
Change the debug parameter permission to read & write. Gives flexibility to change the debug verbosity dynamically. Link: https://lore.kernel.org/r/20200907121443.5150-2-jhasan@marvell.com Signed-off-by: Javed Hasan <jhasan@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-09-08scsi: ufs: ufs-mediatek: Add host reset mechanismStanley Chu
Add host reset mechanism to try to recover host-side errors during recovery flow. Link: https://lore.kernel.org/r/20200908064507.30774-5-stanley.chu@mediatek.com Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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