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2017-08-24scsi: qedf: Fix up modinfo parameter name for 'debug' in modinfo output.Chad Dupuis
Because we were passing 'qedf_debug' instead of 'debug' to the MODULE_PARM_DESC() macro, modinfo listed the parameter name as 'qedf_debug' instead of it's proper name 'debug'. Correct the parameter name. Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: qedf: Covert single-threaded workqueues to regular workqueues.Chad Dupuis
There is no ordering required for the various workqueues the driver uses so they can be converted to regular workqueues. Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: qedf: Corrent VLAN tag insertion in fallback VLAN case.Chad Dupuis
Currently in the driver the qedf_ctx attribute vlan_hw_insert is used to which whether to insert a VLAN tag in FIP frames (except for FIP VLAN request which is explicitly sent out untagged at least from the driver's point of view). When we receive a FIP VLAN response, we set qedf->vlan_hw_insert to 0 which makes the qedf_fip_send function insert the VLAN. However when we exhaust our FIP VLAN retries, we do not set qedf->vlan_hw_insert to 0 which means that the driver will not tag the FIP frame with the correct VLAN ID. The result that was observed on the wire is that some entity either in the LL2 or L2 firmware is adding a NULL VLAN tag which can cause FIP solicitation to fail. The offload FCoE frame function, qedf_xmit, does not use the vlan_hw_insert attribute to decide whether to tag frames with the FIP/FCoE VLAN. Instead it unilaterially tags the offload frames with the VLAN ID stored in qedf->vlan_id. This is the correct behavior so the driver can guarantee that non-offload FIP frames go out with the correct VLAN ID. Also use the Linux network layer helpers instead of doing the VLAN insert manually. Also fix setting the fallback VLAN so that it used the module parameter and is not hardcoded to 1002 (though 1002 is the default). [mkp: fixed typo] Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: qedf: Use granted MAC from the FCF for the FCoE source address if it ↵Chad Dupuis
is available. Currently in the driver we've been using the fc_fcoe_set_mac() function to set the source MAC for FCoE traffic. This works well in most cases as it uses the spec. default FCF-MAC. However, if the administrator changes the FCF-MAC switch, then any FCoE traffic we send will be dropped by the switch. Instead we should check the granted MAC from the FLOGI payload and use that address if it is present. Otherwise, fall back to using the the default FCF-MAC and the fabric ID of the port as the FCoE MAC address. Once this address is known we need to set it when doing non-offload traffic, offload traffic and setting the data_src_address libfcoe uses for FIP keep alive messages. Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: qedf: Set WWNN and WWPN based on values from qed.Chad Dupuis
If dev_info.wwpn and dev_info.wwnn are set by qed use these values to set the WWNs of the port. Otherwise fall back to the old method using fcoe_wwn_from_mac(). Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: qla2xxx: fix spelling mistake of variable sfp_additonal_infoColin Ian King
Trivial fix to variable name, sfp_additonal_info should be sfp_additional_info (add in missing i). Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: osst: silence underflow warning in osst_verify_frame()Dan Carpenter
The code looks like this: i = ntohl(aux->filemark_cnt); if (STp->header_cache != NULL && i < OS_FM_TAB_MAX && (i > STp->filemark_cnt || STp->first_frame_position - 1 != ntohl(STp->header_cache->dat_fm_tab.fm_tab_ent[i]))) { If i is negative then it's less than OS_FM_TAB_MAX so we read before the start of the STp->header_cache->dat_fm_tab.fm_tab_ent[] array. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: osst: add missing indent on a for loop statementColin Ian King
The for loop is statement is missing an indent, add it. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: mpt3sas: fix pr_info message continuationColin Ian King
An optional discovery status should be printed with a pr_cont and needs a leading space to make it more readable. The final new line should also be a pr_cont and the indentation is out by one, so fix that too. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: ses: make page2 support optionalHannes Reinecke
Simple subenclosures do not need to support SES page 2, so make it optional. Signed-off-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: ses: Fixup error message 'failed to get diagnostic page 0xffffffea'Hannes Reinecke
The printk was using the result as argument, leading to a slightly confusing log message. Signed-off-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: ses: check return code from ses_recv_diag()Hannes Reinecke
We should be checking the return code from ses_recv_diag() to avoid accessing invalid data. Signed-off-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: hpsa: Remove 'hpsa_allow_any' module optionHannes Reinecke
As the cciss driver has been removed there are no overlapping PCI IDs anymore, and the 'hpsa_allow_any' flag can be removed. Signed-off-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: cciss: Drop obsolete driverHannes Reinecke
The hpsa driver now has support for all boards the cciss driver used to support, so this patch removes the cciss driver and make hpsa an alias to cciss. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Don Brace <don.brace@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: hpsa: do not print errors for unsupported report luns formatHannes Reinecke
Legacy boards might not support the 'extended' report luns format, but as this is to be expected we don't need to print out an error here. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Don Brace <don.brace@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: hpsa: Ignore errors for unsupported LV_DEVICE_ID VPD pageHannes Reinecke
Legacy boards might not support the LV_DEVICE_ID VPD page, so we shouldn't print out an error message here. Signed-off-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Don Brace <don.brace@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: hpsa: disable volume status check for legacy boardsHannes Reinecke
Legacy boards might not support volume status, so assume the volume is online here. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Don Brace <don.brace@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: hpsa: add support for legacy boardsHannes Reinecke
Add support for legacy boards, ensuring to enable the driver for those boards only when 'hpsa_allow_any' is set. The attribute 'legacy_board' is set to '1' if the device is a legacy board, and '0' otherwise. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Don Brace <don.brace@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: cxlflash: Fix an error handling path in 'cxlflash_disk_attach()'Christophe JAILLET
'rc' is known to be 0 at this point. If 'create_context()' fails, returns -ENOMEM instead of 0 which means success. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: sym53c8xx: Avoid undefined behaviourHelge Deller
On parisc I see this UBSAN warning with a sym53c896: UBSAN: Undefined behaviour in ./drivers/scsi/sym53c8xx_2/sym_hipd.c:762:24 index -1903078336 is out of range for type 'u32 [7]' Avoid this warning by switching to div64_ul(). [mkp: fix typo] Signed-off-by: Helge Deller <deller@gmx.de> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: make 'state' device attribute pollableHannes Reinecke
While the 'state' attribute can (and will) change occasionally, calling 'poll()' or 'select()' on it fails as sysfs is never notified that the state has changed. With this patch calling 'poll()' or 'select()' will work properly. Signed-off-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: scsi_lib: rework scsi_internal_device_unblock_nowait()Hannes Reinecke
Rework scsi_internal_device_unblock_nowait() into using a switch statement. No functional changes. Signed-off-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: esas2r: constify pci_device_id.Arvind Yadav
pci_device_id are not supposed to change at runtime. All functions working with pci_device_id provided by <linux/pci.h> work with const pci_device_id. So mark the non-const structs as const. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Acked-by: Bradley Grove <bgrove@attotech.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: virtio: virtio_scsi: Set can_queue to the length of the virtqueue.Richard W.M. Jones
Since switching to blk-mq as the default in commit 5c279bd9e406 ("scsi: default to scsi-mq"), virtio-scsi LUNs consume about 10x as much kernel memory. qemu currently allocates a fixed 128 entry virtqueue. can_queue currently is set to 1024. But with indirect descriptors, each command in the queue takes 1 virtqueue entry, so the number of commands which can be queued is equal to the length of the virtqueue. Note I intend to send a patch to qemu to allow the virtqueue size to be configured from the qemu command line. Signed-off-by: Richard W.M. Jones <rjones@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: virtio: Reduce BUG if total_sg > virtqueue size to WARN.Richard W.M. Jones
If using indirect descriptors, you can make the total_sg as large as you want. If not, BUG is too serious because the function later returns -ENOSPC. Signed-off-by: Richard W.M. Jones <rjones@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: qedi: Limit number for CQ queues.Manish Rangankar
[qed_sp_iscsi_func_start:189(host_7-0)]Cannot satisfy CQ amount. Queues requested 8, CQs available 4. Aborting function start Above condition will resolve as management firmware is capable of telling us the number of CQs available for a given PF, qed will communicate the same number to qedi, So that qedi will know how much CQs are allowed. Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: hisi_sas: remove driver versioningJohn Garry
The driver version is not updated with changes to the driver, so it has no value, so just get rid of it. Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: hisi_sas: replace kfree with scsi_host_putJohn Garry
Instances of kfree(shost) should be replaced with scsi_host_put(). In addition, a missing scsi_host_put() is added for error path in hisi_sas_shost_alloc_pci() and v3 driver removal. Signed-off-by: Pan Bian <bianpan2016@163.com> # For main.c changes Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: hisi_sas: remove phy_down_v3_hw() res variableJohn Garry
Variable res only holds value 0, so remove it. This cleans up a coccicheck warning. Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-24scsi: hisi_sas: add phy_set_linkrate_v3_hw()Xiang Chen
Add function to set linkrate for v3 hw. Signed-off-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>
2017-08-24scsi: hisi_sas: update some v3 register init settingsXiang Chen
This patch updates some register setting according to recommendation from HW designer and experiment. Signed-off-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>
2017-08-24scsi: hisi_sas: add reset handler for v3 hwXiang Chen
Use ACPI "_RST" method to reset the controller, since FLR is not supported. Function hisi_sas_stop_phys() is introduced to remove some code duplication. Signed-off-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>
2017-08-10scsi: hisi_sas: kill tasklet when destroying irq in v3 hwXiang Chen
This patch adds calls to kill CQ takslets v3 hw during probe failure. Signed-off-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>
2017-08-10scsi: hisi_sas: fix v3 hw channel interrupt processingXiang Chen
The channel interrupt is to process all the interrupts except PHY UP/DOWN and broadcast interrupt. So we need to clear all the interrupts except those 3 interrupts after processing channel interrupts. Signed-off-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>
2017-08-10scsi: hisi_sas: Modify v3 hw STP_LINK_TIMER settingXiang Chen
Modify STP link timer from 10ms to 500ms. Also add the register address. Signed-off-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>
2017-08-10scsi: hisi_sas: add status and command buffer for internal abortXiang Chen
For v3 hw, internal abort function required status and command buffer to be set, so add necessary code for this. Signed-off-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>
2017-08-10scsi: hisi_sas: support zone management commandsXiaofei Tan
Add two ATA commands, ATA_CMD_ZAC_MGMT_IN and ATA_CMD_ZAC_MGMT_OUT in hisi_sas_get_ata_protocol(), to support SATA SMR disk. Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com> Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-10scsi: hisi_sas: service interrupt ITCT_CLR interrupt in v2 hwXiang Chen
This patch is a fix related to freeing a device in v2 hw driver. Before, we polled to ITCT CLR interrupt to check if a device is free. This was error prone, as if the interrupt doesn't occur in 10us, we miss processing it. To avoid this situation, service this interrupt and sync the event with a completion. Signed-off-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>
2017-08-10scsi: hisi_sas: add irq and tasklet cleanup in v2 hwXiang Chen
This patch adds support to clean-up allocated IRQs and kill tasklets when probe fails and for driver removal. Signed-off-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>
2017-08-10scsi: hisi_sas: remove repeated device config in v2 hwXiang Chen
This patch removes some repeated configurations: (1) The device id of the device is already set in the alloc function, so we don't need to modify in free device function. (2) Field dev_type and dev_status are configured in hisi_sas_dev_gone(), so there is no need for repeated config in free_device_v3_hw. Signed-off-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>
2017-08-10scsi: hisi_sas: use array for v2 hw ECC errorsJohn Garry
The code to print ECC errors in v2 hw driver is very repetitive. This patch condensed the code by looping an array of errors. Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Shiju Jose <shiju.jose@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-10scsi: hisi_sas: add v2 hw DFX featureXiaofei Tan
Add DFX feature for v2 hw. We are adding support for the following errors: - loss_of_dword_sync_count - invalid_dword_count - phy_reset_problem_count - running_disparity_error_count Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com> Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-10scsi: hisi_sas: fix v2 hw underflow residual valueXiang Chen
The value dw0 is the residual bytes when UNDERFLOW error happens, but we filled the residual with the value of dw3 before. So change the residual from dw3 to dw0. Signed-off-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>
2017-08-10scsi: hisi_sas: avoid potential v2 hw interrupt issueXiang Chen
When some interrupts happen together, we need to process every interrupt one-by-one, and should not return immediately when one interrupt process is finished being processed. Signed-off-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>
2017-08-10scsi: hisi_sas: fix reset and port ID refresh issuesXiaofei Tan
This patch provides fixes for the following issues: 1. Fix issue of controller reset required to send commands. For reset process, it may be required to send commands to the controller, but not during soft reset. So add HISI_SAS_NOT_ACCEPT_CMD_BIT to prevent executing a task during this period. 2. Send a broadcast event in rescan topology to detect any topology changes during reset. 3. Previously it was not ensured that libsas has processed the PHY up and down events after reset. Potentially this could cause an issue that we still process the PHY event after reset. So resolve this by flushing shot workqueue in LLDD reset. 4. Port ID requires refresh after reset. The port ID generated after reset is not guaranteed to be the same as before reset, so it needs to be refreshed for each device's ITCT. Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com> Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-10scsi: smartpqi: change driver version to 1.1.2-125Kevin Barnett
Reviewed-by: Scott Benesh <scott.benesh@microsemi.com> Signed-off-by: Kevin Barnett <kevin.barnett@microsemi.com> Signed-off-by: Don Brace <don.brace@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-10scsi: smartpqi: add in new controller idsKevin Barnett
Update the driver’s PCI IDs to match the latest Microsemi controllers Reviewed-by: Scott Benesh <scott.benesh@microsemi.com> Signed-off-by: Kevin Barnett <kevin.barnett@microsemi.com> Signed-off-by: Don Brace <don.brace@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-10scsi: smartpqi: update kexec and power down supportKevin Barnett
Add PQI reset to driver shutdown callback to work around controller bug. During an 1.) OS shutdown or 2.) kexec outside of a kdump, the Linux kernel will clear BME on our controller. If BME is cleared during a controller/host PCIe transfer, the controller will lock up. So we perform a PQI reset in the driver's shutdown callback function to eliminate the possibility of a controller/host PCIe transfer being active when the kernel clears BME immediately after calling the driver's shutdown callback. Reviewed-by: Scott Benesh <scott.benesh@microsemi.com> Signed-off-by: Kevin Barnett <kevin.barnett@microsemi.com> Signed-off-by: Don Brace <don.brace@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-10scsi: smartpqi: cleanup doorbell register usage.Kevin Barnett
Reviewed-by: Scott Benesh <scott.benesh@microsemi.com> Signed-off-by: Kevin Barnett <kevin.barnett@microsemi.com> Signed-off-by: Don Brace <don.brace@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-10scsi: smartpqi: update pqi passthru ioctlKevin Barnett
- make pass-thru requests bi-directional Reviewed-by: Scott Benesh <scott.benesh@microsemi.com> Signed-off-by: Kevin Barnett <kevin.barnett@microsemi.com> Signed-off-by: Don Brace <don.brace@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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