- 13 Apr, 2019 3 commits
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Bart Van Assche authored
The rcu_dereference(deve->se_lun) expression occurs twice in the LUN lookup functions. Since these expressions are not serialized against deve->se_lun assignments each of these expressions may yield a different result. Avoid that the wrong LUN pointer is stored in se_cmd by reading deve->se_lun only once. Cc: Mike Christie <mchristi@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.com> Cc: Nicholas Bellinger <nab@linux-iscsi.org> Fixes: 29a05dee ("target: Convert se_node_acl->device_list[] to RCU hlist") # v4.10 Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Hannes Reinecke authored
Currently the FC-NVMe driver is leverating the SCSI FC transport class to access the remote ports. Which means that all FC-NVMe remote ports will be visible to the fc transport layer, but due to missing definitions the port roles will always be 'unknown'. This patch adds the missing definitions to the fc transport class to that the port roles are correctly displayed. Signed-off-by: Hannes Reinecke <hare@suse.de> Reviewed-by: James Smart <james.smart@broadcom.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Reviewed-by: Giridhar Malavali <gmalavali@marvell.com> Reviewed-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Colin Ian King authored
The error return path via label rel_resource checks for a non-null skb before free'ing it. However, skb is always null at this exit path, so the null check and the free are redundant and can be removed. Removing this allows the original goto's to rel_resource to be cleaned up; the first can be replaced by a return of -EINVAL, the second can be replaced by a more appropriate -ENOMEM return and fix a memory leak by freeing csk->atid. Addresses-Coverity: ("Logically Dead Code") Signed-off-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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- 10 Apr, 2019 1 commit
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Bart Van Assche authored
Only include those header files that are needed by the code in this source file. [mkp: include build fix from Bart for SPARC] Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Giridhar Malavali <gmalavali@marvell.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Acked-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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- 09 Apr, 2019 16 commits
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Bart Van Assche authored
Make sure that resources are only unregistered after the users of these resources have been unregistered. Only unregister the character device if registration of it succeeded. Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Giridhar Malavali <gmalavali@marvell.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
If module initialization fails after the character device has been registered, unregister the character device. Additionally, avoid duplicating error path code. Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Giridhar Malavali <giridhar.malavali@qlogic.com> Fixes: 6a03b4cd ("[SCSI] qla2xxx: Add char device to increase driver use count") # v2.6.35. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
This patch makes the code easier to read but does not change any functionality. Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Giridhar Malavali <gmalavali@marvell.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
Make qla2x00_process_response_queue() easier to read by splitting this function. This patch does not change any functionality. Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Giridhar Malavali <gmalavali@marvell.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Acked-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
Move the SCSI host template definition after the definition of the functions that it references. Remove the forward declarations that became unnecessary by that change. This patch does not change any functionality. Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Giridhar Malavali <gmalavali@marvell.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Acked-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
This patch avoids that sparse complains that a declaration is missing. Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Giridhar Malavali <gmalavali@marvell.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Acked-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
Make the code easier to read by avoiding to use a hard-coded constant. This patch does not change any functionality. Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Giridhar Malavali <gmalavali@marvell.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Acked-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
Since qla2xxx_queuecommand() no longer takes the SCSI host lock, remove a comment that refers to the host lock. Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Giridhar Malavali <gmalavali@marvell.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Acked-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
Make qla2x00_get_host_fabric_name() slightly faster by changing a stack array into a static array. Declare that array const now that the wwn_to_u64() argument pointer has been declared const. Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Giridhar Malavali <gmalavali@marvell.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Acked-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
Since the wwn_to_u64() function does not change its input, make its argument const. Cc: James Smart <james.smart@broadcom.com> Cc: Hannes Reinecke <hare@suse.com> Cc: Johannes Thumshirn <jthumshirn@suse.de> Cc: Steffen Maier <maier@linux.vnet.ibm.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Colin Ian King authored
There is a spelling mistake in a ql_log message. Fix it. Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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James Smart authored
This patch adds support to recognize FPIN ELS's that are received. When one is received, the fc transport will be called to handle the the FPIN. Signed-off-by: James Smart <jsmart2021@gmail.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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James Smart authored
Add a new event type - an FPIN event. Add a new routine, fc_host_fpin_rcv(), that lldd's call when an FPIN is received. The routine processes the fpin payload. For now, the routine only logs an FPIN event. Signed-off-by: Muneendra <muneendra.kumar@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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James Smart authored
There are two routines generating transport events that do the same thing with only a couple of values set differently. Refactor so there's a single routine doing the netlink operations to send the event. All the differences are passed as arguments. Export the symbol so the generic routine can be called by llds. Modify the existing two event routines to use the helper. Signed-off-by: James Smart <jsmart2021@gmail.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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James Smart authored
T11 has introduced a new Fabric Notifications mechanism whereby the fabric can notify a port of events occurring in the fabric. The notifications are given by the FPIN ELS. Add the FPIN ELS definitions to the kernel. Signed-off-by: James Smart <jsmart2021@gmail.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Bart Van Assche authored
This patch avoids that the following compiler warning is reported with CONFIG_NVME_FC=n: drivers/scsi/lpfc/lpfc_nvme.c:2140:1: warning: 'lpfc_nvme_lport_unreg_wait' defined but not used [-Wunused-function] lpfc_nvme_lport_unreg_wait(struct lpfc_vport *vport, ^~~~~~~~~~~~~~~~~~~~~~~~~~ Fixes: 3999df75 ("scsi: lpfc: Declare local functions static") Cc: James Smart <james.smart@broadcom.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Acked-by: James Smart <james.smart@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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- 04 Apr, 2019 20 commits
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YueHaibing authored
The memory return by kzalloc() has already be set to zero, so remove useless memset(0). Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Gustavo A. R. Silva authored
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. This patch fixes the following warnings: drivers/message/fusion/mptscsih.c: In function mptscsih_io_done : drivers/message/fusion/mptscsih.c:741:7: warning: this statement may fall through [-Wimplicit-fallthrough=] if ( ioc->bus_type == SAS ) { ^ drivers/message/fusion/mptscsih.c:790:3: note: here case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ ^~~~ drivers/message/fusion/mptscsih.c:884:4: warning: this statement may fall through [-Wimplicit-fallthrough=] scsi_set_resid(sc, 0); ^~~~~~~~~~~~~~~~~~~~~ drivers/message/fusion/mptscsih.c:885:3: note: here case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ ^~~~ Warning level 3 was used: -Wimplicit-fallthrough=3 This patch is part of the ongoing efforts to enable -Wimplicit-fallthrough. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Stanley Chu authored
Add VCC supply for ufs-mediatek driver to provide power-saving operation during low-power modes. For example VCC can be turned-off during system suspend and turned-on after system is resumed. Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Stanley Chu authored
Custom device tree property "<name>-fixed-regulator" can be removed because, 1) It is not used anywhere in tree. 2) All handlings for "<name>-fixed-regulator" have been removed in UFS driver. 3) There is no issue if an existed regulator defined "<name>-fixed-regulator" property in device tree. Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Jan Kotas authored
This patch adds an additional PHY initialization, required for M31 PHY when used with Cadence UFS HC. A new compatible string has been added for this purpose. [mkp: nuke superfluous status return] Signed-off-by: Jan Kotas <jank@cadence.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Jan Kotas authored
This patch adds a new compatible string description for CDNS UFS HCD + M31 16nm PHY. Signed-off-by: Jan Kotas <jank@cadence.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Zeng Guangyue authored
The pointer value is initialized as &hba->vreg_info, and it's never changed. It's not necessary to check the pointer is null or not. Signed-off-by: Zeng Guangyue <zengguangyue@hisilicon.com> Acked-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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YueHaibing authored
Fixes gcc '-Wunused-but-set-variable' warning: drivers/scsi/qedf/qedf_fip.c: In function 'qedf_fcoe_send_vlan_req': drivers/scsi/qedf/qedf_fip.c:22:6: warning: variable 'fr_len' set but not used [-Wunused-but-set-variable] It's never used since introduction and can be removed. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Colin Ian King authored
Rename the functions pm8001_chip_is_our_interupt, pm80xx_chip_is_our_interupt and function pointer is_our_interrupt to fix spelling mistakes. Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Colin Ian King authored
When macro PM8001_USE_MSIX is defined there are redundant dead code calls to pm8001_chip_intx_interrupt_{enable|disable} and pm8001_cr32. Clean this up for the defined PM8001_USE_MSIX and undefined PM8001_USE_MSIX cases. [mkp: squashed two patches] Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com> Reviewed-by: Mukesh Ojha <mojha@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Himanshu Madhani authored
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Giridhar Malavali authored
This patch converts driver wait time from using msleep to wair_event_timeout to prevent race condition. Signed-off-by: Giridhar Malavali <gmalavali@marvell.com> Signed-off-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Giridhar Malavali authored
This patch allows driver to unload using "modprobe -r" when FC-NVMe LUNs are connected. Signed-off-by: Giridhar Malavali <gmalavali@marvell.com> Signed-off-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Anil Gurumurthy authored
This patch removes redundant qla2x00_abort_all_cmds() during driver unload. Signed-off-by: Anil Gurumurthy <agurumurthy@marvell.com> Signed-off-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Giridhar Malavali authored
This patch sets remote_port_devloss value to 0. This indicates to FC-NVMe transport that driver is unloading and transport should not retry. Fixes: e476fe8a ("scsi: qla2xxx: Fix unload when NVMe devices are configured") Cc: stable@vger.kernel.org Signed-off-by: Giridhar Malavali <gmalavali@marvell.com> Signed-off-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Quinn Tran authored
Clean up fcport list and loopid in one place and iterate through for loop. Signed-off-by: Quinn Tran <qtran@marvell.com> Signed-off-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Quinn Tran authored
Add mutex protection to prevent driver from freeing the FW dump buffer while the extraction is in progress. [mkp: commit desc] Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Quinn Tran authored
If fw dump buffer size changes and there is an existing fw dump, then save the old dump in the newly allocated buffer. Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Andrew Vasquez authored
Recent ISPs have larger and more complex flash-write semantics (secure-access and signing). The BSG interfaces support these semantics for all ISPs and is exclusively used by QLogic user-space tools. Limit flash-write operations to ISPs <= 25xx. Signed-off-by: Andrew Vasquez <andrewv@marvell.com> Signed-off-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Andrew Vasquez authored
Commit e6f77540 ("scsi: qla2xxx: Fix an integer overflow in sysfs code") incorrectly set 'optrom_region_size' to 'start+size', which can overflow option-rom boundaries when 'start' is non-zero. Continue setting optrom_region_size to the proper adjusted value of 'size'. Fixes: e6f77540 ("scsi: qla2xxx: Fix an integer overflow in sysfs code") Cc: stable@vger.kernel.org Signed-off-by: Andrew Vasquez <andrewv@marvell.com> Signed-off-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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