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2016-11-08scsi: ufs: fail ufshcd_probe_hba() if power configuration failsDov Levenglick
In case the power configuration fails, skip further processing of the probing function and return immediately. This has 2 reasons: 1. Don't allow the UFS to continue running in PWM 2. Avoid multiple calls to pm_runtime_put_sync() when not in error handling or power management contexts Signed-off-by: Dov Levenglick <dovl@codeaurora.org> Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: ufs: suspend clock scaling for failed runtime_resumeGilad Broner
During runtime resume operation, clock scaling may get indirectly resumed via call to ufshcd_set_dev_pwr_mode(): Start/Stop Unit command times out and SCSI error handling ultimately calls the host reset handler to recover, during which clock scaling is resumed. Error case exit path of runtime resume will disable clocks. As clock scaling was already resumed, it will get scheduled later on and try to access UFS registers while clocks are disabled, resulting in unclocked register access. Signed-off-by: Gilad Broner <gbroner@codeaurora.org> Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: ufs: fix sense buffer size to 18 bytesGilad Broner
According to UFS device specification, sense data can be only 18 bytes long, this change makes the changes accordingly. Signed-off-by: Gilad Broner <gbroner@codeaurora.org> Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: ufs: commit descriptors before setting the doorbellGilad Broner
Add a write memory barrier to make sure descriptors prepared are actually written to memory before ringing the doorbell. We have also added the write memory barrier after ringing the doorbell register so that controller sees the new request immediately. Signed-off-by: Gilad Broner <gbroner@codeaurora.org> Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: ufs: fix bugs related to null pointer access and array sizeYaniv Gardi
In this change there are a few fixes of possible NULL pointer access and possible access to index that exceeds array boundaries. Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org> Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: cciss: replace custom function to hexdumpAndy Shevchenko
For small buffers we may use %*ph[N] specifier, for the bigger blocks print_hex_dump() call. Cc: Don Brace <don.brace@microsemi.com> Cc: esc.storagedev@microsemi.com Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Don Brace <don.brace@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: replace custom approach to hexdump small buffersAndy Shevchenko
In kernel we have defined specifier (%*ph[C]) to dump small buffers in a hex format. Replace custom approach by a generic one. Cc: Jon Mason <jonmason@broadcom.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: ips: don't use custom hex_asc_upper[] tableAndy Shevchenko
We have table of the HEX characters in the kernel. Replace custom by a generic one. Cc: Adaptec OEM Raid Solutions <aacraid@adaptec.com> Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: qla4xxx: print MAC and SID via %p[mM][R]Oleksandr Khoshaba
In the kernel we have nice specifier to print MAC by given pointer to the address in a binary form. Signed-off-by: Oleksandr Khoshaba <Oleksandr.Khoshaba@gmail.com> Acked-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Cc: QLogic-Storage-Upstream@qlogic.com Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: fusion: print lan address via %pMRAndy Shevchenko
LAN MAC addresses can be printed directly using %pMR specifier. Cc: Sathya Prakash <sathya.prakash@broadcom.com> Cc: Chaitra P B <chaitra.basappa@broadcom.com> Cc: Suganath Prabu Subramani <suganath-prabu.subramani@broadcom.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: fnic: use kernel's '%pM' format option to print MACAndy Shevchenko
Instead of supplying each byte through stack let's use %pM specifier. Cc: Hiral Patel <hiralpat@cisco.com> Cc: Suma Ramars <sramars@cisco.com> Acked-by: Tom Tucker <tom@opengridcomputing.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: megaraid_sas: Do not fire DCMDs during PCI shutdown/detachKashyap Desai
This patch addresses the issue of driver firing DCMDs in PCI shutdown/detach path irrespective of firmware state. Driver will now check whether firmware is in operational state or not before firing DCMDs. If firmware is in unrecoverable state or does not become operational within specfied time, driver will skip firing DCMDs. [mkp: fixed typos] Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com> Signed-off-by: Shivasharan Srikanteshwara <shivasharan.srikanteshwara@broadcom.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: megaraid_sas: Send correct PhysArm to FW for R1 VD downgradeKashyap Desai
This patch fixes the issue of wrong PhysArm was sent to firmware for R1 VD downgrade. Signed-off-by: Kiran Kumar Kasturi <kiran-kumar.kasturi@broadcom.com> Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: megaraid_sas: For SRIOV enabled firmware, ensure VF driver waits for ↵Kashyap Desai
30secs before reset For SRIOV enabled firmware, if there is a OCR(online controller reset) possibility driver set the convert flag to 1, which is not happening if there are outstanding commands even after 180 seconds. As driver does not set convert flag to 1 and still making the OCR to run, VF(Virtual function) driver is directly writing on to the register instead of waiting for 30 seconds. Setting convert flag to 1 will cause VF driver will wait for 30 secs before going for reset. CC: stable@vger.kernel.org Signed-off-by: Kiran Kumar Kasturi <kiran-kumar.kasturi@broadcom.com> Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08MAINTAINERS: Revise lpfc maintainers to reflect BroadcomJames Smart
Avago is now known as Broadcom. Revise the emails and website for lpfc accordingly. Signed-off-by: James Smart <james.smart@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: libfc: Replace ->seq_release callback with function callHannes Reinecke
The ->seq_release callback only ever had one implementation, so call the function directly and drop the callback. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: libfc: Replace ->seq_assign callback with function callHannes Reinecke
The ->seq_assign callback only ever had one implementation, so call the function directly and drop the callback. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: libfc: Replace ->seq_set_resp callback with direct function callHannes Reinecke
The ->seq_set_resp callback only ever had one implementation, so call it directly and drop the callback. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: libfc: Replace ->seq_start_next callback with function callHannes Reinecke
The ->seq_start_next callback only ever had one implementation, so call the function directly and drop the callback. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: libfc: Replace ->exch_done callback with function callHannes Reinecke
The ->exch_done callback only ever had one implementation, so we can as well call it directly and drop the callback. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: libfc: Replace ->seq_exch_abort callback with function callHannes Reinecke
The ->seq_exch_abort callback only ever had one implementation, so we can as well call it directly and drop the callback. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: libfc: Replace ->seq_send callback with function callHannes Reinecke
The ->seq_send callback only ever had one implementation, so we can as well call it directly and drop the callback. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: libfc: Remove fc_rport_init()Hannes Reinecke
Function is empty now and can be removed. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Reviewed-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: libfc: Replace ->rport_flush_queue callback with function callHannes Reinecke
The ->rport_flush_queue callback only ever had a single implementation, so we can as well call it directly and drop the callback. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: libfc: Replace ->rport_recv_req callback with function callHannes Reinecke
The ->rport_recv_req callback only ever had one implementation, so we can as well call it directly and drop the callback. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: libfc: Replace ->rport_logoff callback with function callHannes Reinecke
The ->rport_logoff callback only ever had one implementation, so we can as well call it directly and drop the callback. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Reviewed-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: libfc: Replace ->rport_login callback with function callHannes Reinecke
The ->rport_login callback only ever had one implementation, so we can as well call it directly and drop the callback. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: libfc: Replace ->rport_create callback with function callHannes Reinecke
The ->rport_create callback only ever had a single implementation, so we can as well call it directly and drop the callback. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: scsi_transport_fc: rename 'fc_rport_create' to 'fc_remote_port_create'Hannes Reinecke
Required for the next patch. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: libfc: Replace ->rport_lookup callback with function callHannes Reinecke
The ->rport_lookup callback only ever had a single implementation, so we can as well call it directly and drop the callback. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: libfc: Replace ->rport_destroy callback with function callHannes Reinecke
The ->rport_destroy callback only ever had one implementation, so we can as well call it directly and drop the callback. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: libfc: Replace ->exch_seq_send callback with function callHannes Reinecke
The ->exch_seq_send callback only ever had one implementation, so we can call the function directly and drop the callback. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: libfc: Replace ->lport_recv with function callHannes Reinecke
The ->lport_recv callback only ever had one implementation, so call the function directly and remove the callback. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: libfc: Replace ->lport_reset callback with function callHannes Reinecke
The ->lport_reset callback only ever had one implementation, which already is exported. So remove it and use the function directly. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: libfc: Replace ->seq_els_rsp_send callback with function callHannes Reinecke
The 'seq_els_rsp_send' callback only ever had one implementation, so we might as well drop it and use the function directly. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Acked-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: ibmvscsis: Issues from Dan Carpenter/SmatchMichael Cyr
Signed-off-by: Michael Cyr <mikecyr@us.ibm.com> Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Tested-by: Steven Royer <seroyer@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: ibmvscsis: Return correct partition name/# to clientMichael Cyr
Signed-off-by: Michael Cyr <mikecyr@us.ibm.com> Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Tested-by: Steven Royer <seroyer@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: ibmvscsis: Clean up properly if target_submit_cmd/tmr failsMichael Cyr
Signed-off-by: Michael Cyr <mikecyr@us.ibm.com> Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Tested-by: Steven Royer <seroyer@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: ibmvscsis: Synchronize cmds at remove timeMichael Cyr
This patch adds code to disconnect from the client, which will make sure any outstanding commands have been completed, before continuing on with the remove operation. Signed-off-by: Michael Cyr <mikecyr@us.ibm.com> Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Tested-by: Steven Royer <seroyer@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: ibmvscsis: Synchronize cmds at tpg_enable_store timeMichael Cyr
This patch changes the way the IBM vSCSI server driver manages its Command/Response Queue (CRQ). We used to register the CRQ with phyp at probe time. Now we wait until tpg_enable_store. Similarly, when tpg_enable_store is called to "disable" (i.e. the stored value is 0), we unregister the queue with phyp. One consquence to this is that we have no need for the PART_UP_WAIT_ENAB state, since we can't get an Init Message from the client in our CRQ if we're waiting to be enabled, since we haven't registered the queue yet. Signed-off-by: Michael Cyr <mikecyr@us.ibm.com> Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Tested-by: Steven Royer <seroyer@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: ibmvscsis: Rearrange functions for future patchesMichael Cyr
This patch reorders functions in a manner necessary for a follow-on patch. It also makes some minor styling changes (mostly removing extra spaces) and fixes some typos. There are no code changes in this patch, with one exception: due to the reordering of the functions, I needed to explicitly declare a function at the top of the file. However, this will be removed in the next patch, since the code requiring the predeclaration will be removed. Signed-off-by: Michael Cyr <mikecyr@us.ibm.com> Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Tested-by: Steven Royer <seroyer@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: g_NCR5380: add HAS_IOPORT_MAP dependencyArnd Bergmann
The driver was changed to call ioport_map, which breaks platforms that cannot provide this function: drivers/scsi/g_NCR5380.o: In function `generic_NCR5380_init_one.constprop.0': g_NCR5380.c:(.text.generic_NCR5380_init_one.constprop.0+0x388): undefined reference to `ioport_map' This adds a Kconfig dependency. Fixes: 04c40f82ccc5 ("scsi: g_NCR5380: Merge g_NCR5380 and g_NCR5380_mmio drivers") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: fcoe: Fixup missing initialisation in fcoe_dcb_create()Hannes Reinecke
Found by 0-day robot. Fixes: a99ac6e715bc ("scsi: fcoe: set default TC priority") Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: lpfc: Use %zd format string for size_tArnd Bergmann
A recent bugfix introduced a harmless warning in the lpfc driver: drivers/scsi/lpfc/lpfc_init.c: In function 'lpfc_write_firmware': drivers/scsi/lpfc/lpfc_logmsg.h:56:45: error: format '%ld' expects argument of type 'long int', but argument 9 has type 'size_t {aka const unsigned int}' [-Werror=format=] 'size_t' is always the same width as 'long' in the kernel, but the compiler doesn't know that. The %z modifier is what the standard expects to be used here, and this shuts up the warning. Fixes: 679053c651fb ("scsi: lpfc: Fix fw download on SLI-4 FC adapters") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Acked-by: James Smart <james.smart@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: fcoe: filter out frames from invalid vlansHannes Reinecke
Any multicase address is set on all interfaces, the base interface and any VLAN interfaces on top of this. So we might receive frames which are not destined for us. Signed-off-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: fcoe: correct sending FIP VLAN packets on VLAN 0Hannes Reinecke
The FIP VLAN frame consists of an ethernet header followed by the FIP VLAN frame, so we need to skip the ethernet header if we want to check the FIP opcode. Signed-off-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: fcoe: FIP debuggingHannes Reinecke
Add additional statements for debugging FIP frames. Signed-off-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: fcoe: catch invalid values for the 'enabled' attributeHannes Reinecke
The 'enabled' sysfs attribute only accepts the values '0' and '1', so we should error out any other values. Signed-off-by: Hannes Reinecke <hare@suse.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: fcoe: set default TC priorityHannes Reinecke
If DCB is not enabled or compiled in we still should be setting a sane default priority. So put FCoE frames in priority class 'interactive' and FIP frames in priority class 'besteffort'. Signed-off-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: libfc: Check xid when looking up REC exchangesHannes Reinecke
We currently can only lookup the local xid, so we need to reject REC with empty rxid. Signed-off-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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