Add qedf_get_host_port_id() to the transport template.
The fc_transport_template initializes the port_id member to the default
value of -1. The new getter ensures that the sysfs entry shows the current
value and not the default one, e.g by using 'lsscsi -H -t'
Link: https://lore.kernel.org/r/20190924072906.23737-1-dwagner@suse.de
Signed-off-by: Daniel Wagner <dwagner@suse.de>
Acked-by: Saurav Kashyap <skashyap@marvell.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Since tmp_prio is declared as u8, the following statement is always false.
tmp_prio < 0
So remove 'always false' statement.
Link: https://lore.kernel.org/r/20190919075548.GA112801@LGEARND20B15
Signed-off-by: Austin Kim <austindh.kim@gmail.com>
Acked-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This is mostly update of the usual drivers: qla2xxx, ufs, smartpqi,
lpfc, hisi_sas, qedf, mpt3sas; plus a whole load of minor updates.
The only core change this time around is the addition of request
batching for virtio. Since batching requires an additional flag to
use, it should be invisible to the rest of the drivers.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This is mostly update of the usual drivers: qla2xxx, ufs, smartpqi,
lpfc, hisi_sas, qedf, mpt3sas; plus a whole load of minor updates. The
only core change this time around is the addition of request batching
for virtio. Since batching requires an additional flag to use, it
should be invisible to the rest of the drivers"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (264 commits)
scsi: hisi_sas: Fix the conflict between device gone and host reset
scsi: hisi_sas: Add BIST support for phy loopback
scsi: hisi_sas: Add hisi_sas_debugfs_alloc() to centralise allocation
scsi: hisi_sas: Remove some unused function arguments
scsi: hisi_sas: Remove redundant work declaration
scsi: hisi_sas: Remove hisi_sas_hw.slot_complete
scsi: hisi_sas: Assign NCQ tag for all NCQ commands
scsi: hisi_sas: Update all the registers after suspend and resume
scsi: hisi_sas: Retry 3 times TMF IO for SAS disks when init device
scsi: hisi_sas: Remove sleep after issue phy reset if sas_smp_phy_control() fails
scsi: hisi_sas: Directly return when running I_T_nexus reset if phy disabled
scsi: hisi_sas: Use true/false as input parameter of sas_phy_reset()
scsi: hisi_sas: add debugfs auto-trigger for internal abort time out
scsi: virtio_scsi: unplug LUNs when events missed
scsi: scsi_dh_rdac: zero cdb in send_mode_select()
scsi: fcoe: fix null-ptr-deref Read in fc_release_transport
scsi: ufs-hisi: use devm_platform_ioremap_resource() to simplify code
scsi: ufshcd: use devm_platform_ioremap_resource() to simplify code
scsi: hisi_sas: use devm_platform_ioremap_resource() to simplify code
scsi: ufs: Use kmemdup in ufshcd_read_string_desc()
...
There is a race b/w fipvlan request and response path:
=====
qedf_fcoe_process_vlan_resp:113]:2: VLAN response, vid=0xffd.
qedf_initiate_fipvlan_req:165]:2: vlan = 0x6ffd already set.
qedf_set_vlan_id:139]:2: Setting vlan_id=0ffd prio=3.
======
The request thread sees that vlan is already set and fails to call
ctrl_link_up.
Fix:
- While setting vlan_id use local variable and before setting vlan_id.
- Call fcoe_ctlr_link_up in next iteration of fipvlan request.
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The list of rports might become stale so we should rather traverse the
discovery list when trying relogin.
Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Prevent race where we're removing the module and we get link update
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The current code doeesn't support 20Gbps speed for current and supported
speed. Add support for it.
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Driver was wrongly interpreting the supported cap value returned by qed.
Solution: Use QED define macros instead of OS defined for interpreting
supporting speeds.
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
- On some setups fipvlan can be retried for long duration and the
connection to switch was not there so it was not getting any reply.
- During unload this thread was hanging.
Problem Resolution:
Check if unload is in progress, then quit from fipvlan thread.
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Print messages during exiting condition to help debugging.
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Use accessor functions for skb fragment's page_offset instead
of direct references, in preparation for bvec conversion.
Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Based on 1 normalized pattern(s):
this software is available under the terms of the gnu general public
license gpl version 2 available from the file copying in the main
directory of this source tree
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 35 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190531190115.411886531@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
MSI-X vector index is determined using qed device information and
affinity to use.
Signed-off-by: Chad Dupuis <cdupuis@marvell.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Print return value of scsi_add_host on failure.
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Log fcport for which upload failed.
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Log the reason for start xmit failure.
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Chad Dupuis <cdupuis@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Print message on scsi_add_host failure.
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Chad Dupuis <cdupuis@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Print the fcoe_libfc_config failure and return proper failure.
Signed-off-by: Saurav Kashyap <saurav.kashyap@cavium.com>
Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Change the message to display load failure.
Signed-off-by: Chad Dupuis <cdupuis@marvell.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The fc_rport_priv structure is reference counted, so we need to ensure that
the reference is increased before accessing the structure.
Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
- Wait for all the connections to get uploaded.
Signed-off-by: Chad Dupuis <cdupuis@marvell.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
test_bit() is atomic, test_bit() || test_bit() is not. So protect
consecutive bit tests with a lock to avoid races.
Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
qedf_xmit() calls fc_rport_lookup(), but discards the returned rdata
structure almost immediately without decreasing the refcount. This leads
to a refcount leak and the rdata never to be freed.
Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
- Check if link is UP before sending and processing any packets on wire.
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When receiving an unsolicited frame we could crash on a list traversal in
fc_rport_lookup while searching the rport which is associated with our
lport.
Initialize the lport's discovery node after allocating the lport in
__qedf_probe().
Signed-off-by: Chad Dupuis <cdupuis@marvell.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
An I/O can be in any state when flush is called, it can be in abort,
waiting for abort, RRQ send and waiting or TMF send.
- HZ can be different on different architecture, correctly set abort
timeout value.
- Flush can complete the I/Os prematurely, handle refcount for aborted
I/Os and for which RRQ is pending.
- Differentiate LUN/TARGET reset, as cleanup needs to be send to firmware
accordingly.
- Add flush mutex to sync cleanup call from abort and flush routine.
- Clear abort/outstanding bit on timeout.
Signed-off-by: Shyam Sundar <shyam.sundar@marvell.com>
Signed-off-by: Chad Dupuis <cdupuis@marvell.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The purpose of flush routine is to cleanup I/Os to the firmware and
complete them to scsi middle layer. This routine is invoked before
connection is uploaded because of rport going away.
- Don't process any I/Os, aborts, TMFs coming when flush in progress.
- Add flags to handle cleanup and release of I/Os because flush can
prematurely complete I/Os.
- Original command can get completed to driver when cleanup for same is
posted to firmware, handle this condition.
- Modify flush to handle I/Os in all the states like abort, TMF, RRQ and
timeouts.
Signed-off-by: Shyam Sundar <ssundar@marvell.com>
Signed-off-by: Chad Dupuis <cdupuis@marvell.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
There is currently an overlap where exchange IDs between what is used for
offloaded commands and by libfc for ELS commands. Correct this so that
exchange ID range is:
Offloaded requests: 0 to 0xfff
libfc requests: 0x1000 to 0xfffe
Signed-off-by: Chad Dupuis <cdupuis@marvell.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This is mostly update of the usual drivers: arcmsr, qla2xxx, lpfc,
hisi_sas, target/iscsi and target/core. Additionally Christoph
refactored gdth as part of the dma changes. The major mid-layer
change this time is the removal of bidi commands and with them the
whole of the osd/exofs driver and filesystem.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This is mostly update of the usual drivers: arcmsr, qla2xxx, lpfc,
hisi_sas, target/iscsi and target/core.
Additionally Christoph refactored gdth as part of the dma changes. The
major mid-layer change this time is the removal of bidi commands and
with them the whole of the osd/exofs driver and filesystem. This is a
major simplification for block and mq in particular"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (240 commits)
scsi: cxgb4i: validate tcp sequence number only if chip version <= T5
scsi: cxgb4i: get pf number from lldi->pf
scsi: core: replace GFP_ATOMIC with GFP_KERNEL in scsi_scan.c
scsi: mpt3sas: Add missing breaks in switch statements
scsi: aacraid: Fix missing break in switch statement
scsi: kill command serial number
scsi: csiostor: drop serial_number usage
scsi: mvumi: use request tag instead of serial_number
scsi: dpt_i2o: remove serial number usage
scsi: st: osst: Remove negative constant left-shifts
scsi: ufs-bsg: Allow reading descriptors
scsi: ufs: Allow reading descriptor via raw upiu
scsi: ufs-bsg: Change the calling convention for write descriptor
scsi: ufs: Remove unused device quirks
Revert "scsi: ufs: disable vccq if it's not needed by UFS device"
scsi: megaraid_sas: Remove a bunch of set but not used variables
scsi: clean obsolete return values of eh_timed_out
scsi: sd: Optimal I/O size should be a multiple of physical block size
scsi: MAINTAINERS: SCSI initiator and target tweaks
scsi: fcoe: make use of fip_mode enum complete
...
commit 1917d42d14 ("fcoe: use enum for fip_mode") introduces a separate
enum for the fip_mode that shall be used during initialisation handling
until it is passed to fcoe_ctrl_link_up to set the initial fip_state. That
change was incomplete and gcc quietly converted in various places between
the fip_mode and the fip_state enum values with implicit enum conversions,
which fortunately cannot cause any issues in the actual code's execution.
clang however warns about these implicit enum conversions in the scsi
drivers. This commit consolidates the use of the two enums, guided by
clang's enum-conversion warnings.
This commit now completes the use of the fip_mode: It expects and uses
fip_mode in {bnx2fc,fcoe}_interface_create and fcoe_ctlr_init, and it calls
fcoe_ctrl_set_set() with the correct values in fcoe_ctlr_link_up(). It
also breaks the association between FIP_MODE_AUTO and FIP_ST_AUTO to
indicate these two enums are distinct.
Link: https://github.com/ClangBuiltLinux/linux/issues/151
Fixes: 1917d42d14 ("fcoe: use enum for fip_mode")
Reported-by: Dmitry Golovin <dima@golovin.in>
Original-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
CC: Lukas Bulwahn <lukas.bulwahn@gmail.com>
CC: Nick Desaulniers <ndesaulniers@google.com>
CC: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Tested-by: Nathan Chancellor <natechancellor@gmail.com>
Suggested-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Sedat Dilek <sedat.dilek@gmail.com>
Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
We already need to zero out memory for dma_alloc_coherent(), as such
using dma_zalloc_coherent() is superflous. Phase it out.
This change was generated with the following Coccinelle SmPL patch:
@ replace_dma_zalloc_coherent @
expression dev, size, data, handle, flags;
@@
-dma_zalloc_coherent(dev, size, handle, flags)
+dma_alloc_coherent(dev, size, handle, flags)
Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
[hch: re-ran the script on the latest tree]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Most SCSI drivers want to enable "clustering", that is merging of
segments so that they might span more than a single page. Remove the
ENABLE_CLUSTERING define, and require drivers to explicitly set
DISABLE_CLUSTERING to disable this feature.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
NULL check before some freeing functions is not needed.
Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Acked-by: Manish Rangankar <Manish.Rangankar@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The driver is currently using an odd mix of legacy PCI DMA API and
generic DMA API calls, switch it over to the generic API entirely.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Chad Dupuis <chad.dupuis@cavium.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Need to notify firmware when driver is loaded and unloaded.
Signed-off-by: Saurav Kashyap <saurav.kashyap@cavium.com>
Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This is mostly updates to the usual drivers: ufs, qedf, mpt3sas, lpfc,
xfcp, hisi_sas, cxlflash, qla2xxx. In the absence of Nic, we're also
taking target updates which are mostly minor except for the tcmu
refactor. The only real core change to worry about is the removal of
high page bouncing (in sas, storvsc and iscsi). This has been well
tested and no problems have shown up so far.
Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This is mostly updates to the usual drivers: ufs, qedf, mpt3sas, lpfc,
xfcp, hisi_sas, cxlflash, qla2xxx.
In the absence of Nic, we're also taking target updates which are
mostly minor except for the tcmu refactor.
The only real core change to worry about is the removal of high page
bouncing (in sas, storvsc and iscsi). This has been well tested and no
problems have shown up so far"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (268 commits)
scsi: lpfc: update driver version to 12.0.0.4
scsi: lpfc: Fix port initialization failure.
scsi: lpfc: Fix 16gb hbas failing cq create.
scsi: lpfc: Fix crash in blk_mq layer when executing modprobe -r lpfc
scsi: lpfc: correct oversubscription of nvme io requests for an adapter
scsi: lpfc: Fix MDS diagnostics failure (Rx < Tx)
scsi: hisi_sas: Mark PHY as in reset for nexus reset
scsi: hisi_sas: Fix return value when get_free_slot() failed
scsi: hisi_sas: Terminate STP reject quickly for v2 hw
scsi: hisi_sas: Add v2 hw force PHY function for internal ATA command
scsi: hisi_sas: Include TMF elements in struct hisi_sas_slot
scsi: hisi_sas: Try wait commands before before controller reset
scsi: hisi_sas: Init disks after controller reset
scsi: hisi_sas: Create a scsi_host_template per HW module
scsi: hisi_sas: Reset disks when discovered
scsi: hisi_sas: Add LED feature for v3 hw
scsi: hisi_sas: Change common allocation mode of device id
scsi: hisi_sas: change slot index allocation mode
scsi: hisi_sas: Introduce hisi_sas_phy_set_linkrate()
scsi: hisi_sas: fix a typo in hisi_sas_task_prep()
...
This patch adds callbacks for providing the ethernet protocol driver TLVs.
Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
During an uplink toggle test all error handling is done via timeout and
firmware error conditions which can occur concurrently:
- SCSI layer timeouts
- Error detect CQEs
- Firmware detected underruns
- ABTS timeouts
All these concurrent events require more defensive checks in the driver
including:
- Check both internally and externally generated aborts to make sure the
xid is not already been aborted in another context or in cleanup.
- Check back pointers in qedf_cmd_timeout to verify the context of the
io_req, fcport and qedf_ctx
- Check rport state in host reset handler to not reset the whole host
if the rport is already uploaded or in the process of relogin
- Check to state for an fcport before initiating a middle path ELS
request
Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Similar to what we do when we remove a PCI function, set the
QEDF_UNLOADING flag to prevent any requests from being queued while a
vport is being deleted. This prevents any requests from getting stuck
in limbo when the vport is unloaded or deleted.
Fixes the crash:
PID: 106676 TASK: ffff9a436aa90000 CPU: 12 COMMAND: "multipathd"
#0 [ffff9a43567d3550] machine_kexec+522 at ffffffffaca60b2a
#1 [ffff9a43567d35b0] __crash_kexec+114 at ffffffffacb13512
#2 [ffff9a43567d3680] crash_kexec+48 at ffffffffacb13600
#3 [ffff9a43567d3698] oops_end+168 at ffffffffad117768
#4 [ffff9a43567d36c0] no_context+645 at ffffffffad106f52
#5 [ffff9a43567d3710] __bad_area_nosemaphore+116 at ffffffffad106fe9
#6 [ffff9a43567d3760] bad_area+70 at ffffffffad107379
#7 [ffff9a43567d3788] __do_page_fault+1247 at ffffffffad11a8cf
#8 [ffff9a43567d37f0] do_page_fault+53 at ffffffffad11a915
#9 [ffff9a43567d3820] page_fault+40 at ffffffffad116768
[exception RIP: qedf_init_task+61]
RIP: ffffffffc0e13c2d RSP: ffff9a43567d38d0 RFLAGS: 00010046
RAX: 0000000000000000 RBX: ffffbe920472c738 RCX: ffff9a434fa0e3e8
RDX: ffff9a434f695280 RSI: ffffbe920472c738 RDI: ffff9a43aa359c80
RBP: ffff9a43567d3950 R8: 0000000000000c15 R9: ffff9a3fb09b9880
R10: ffff9a434fa0e3e8 R11: ffff9a43567d35ce R12: 0000000000000000
R13: ffff9a434f695280 R14: ffff9a43aa359c80 R15: ffff9a3fb9e005c0
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Get all firmware debug data instead of just a grc dump.
Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
PROBLEM DESCRIPTION:
According to the logs, STAG was changing and it was triggering soft
reset. In soft reset we used to virtual link down and up and also we
were disabling DCBx flag. Since this was virtual link flap, DCBx never
used to converge again.
SOLUTION:
Code change is to remove disabling DCBx flag from soft reset.
Signed-off-by: Saurav Kashyap <saurav.kashyap@cavium.com>
Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
