This is mostly updates of the usual drivers: UFS, esp_scsi, NCR5380,
qla2xxx, lpfc, libsas, hisi_sas. In addition there's a set of mostly
small updates to the target subsystem a set of conversions to the
generic DMA API, which do have some potential for issues in the older
drivers but we'll handle those as case by case fixes. A new myrs for
the DAC960/mylex raid controllers to replace the block based DAC960
which is also being removed by Jens in this merge window. Plus the
usual slew of trivial changes.
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 updates of the usual drivers: UFS, esp_scsi, NCR5380,
qla2xxx, lpfc, libsas, hisi_sas.
In addition there's a set of mostly small updates to the target
subsystem a set of conversions to the generic DMA API, which do have
some potential for issues in the older drivers but we'll handle those
as case by case fixes.
A new myrs driver for the DAC960/mylex raid controllers to replace the
block based DAC960 which is also being removed by Jens in this merge
window.
Plus the usual slew of trivial changes"
[ "myrs" stands for "MYlex Raid Scsi". Obviously. Silly of me to even
wonder. There's also a "myrb" driver, where the 'b' stands for
'block'. Truly, somebody has got mad naming skillz. - Linus ]
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (237 commits)
scsi: myrs: Fix the processor absent message in processor_show()
scsi: myrs: Fix a logical vs bitwise bug
scsi: hisi_sas: Fix NULL pointer dereference
scsi: myrs: fix build failure on 32 bit
scsi: fnic: replace gross legacy tag hack with blk-mq hack
scsi: mesh: switch to generic DMA API
scsi: ips: switch to generic DMA API
scsi: smartpqi: fully convert to the generic DMA API
scsi: vmw_pscsi: switch to generic DMA API
scsi: snic: switch to generic DMA API
scsi: qla4xxx: fully convert to the generic DMA API
scsi: qla2xxx: fully convert to the generic DMA API
scsi: qla1280: switch to generic DMA API
scsi: qedi: fully convert to the generic DMA API
scsi: qedf: fully convert to the generic DMA API
scsi: pm8001: switch to generic DMA API
scsi: nsp32: switch to generic DMA API
scsi: mvsas: fully convert to the generic DMA API
scsi: mvumi: switch to generic DMA API
scsi: mpt3sas: switch to generic DMA API
...
The few callers can just use dma_set_max_seg_size ()directly.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
After bfcb79fca1 ("PCI/ERR: Run error recovery callbacks for all affected
devices"), AER errors are always cleared by the PCI core and drivers don't
need to do it themselves.
Remove calls to pci_cleanup_aer_uncorrect_error_status() from device
driver error recovery functions.
Signed-off-by: Oza Pawandeep <poza@codeaurora.org>
[bhelgaas: changelog, remove PCI core changes, remove unused variables]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Variables dev and cpu are not being used and are redundant and hence can
be removed.
Cleans up clang warnings:
warning: variable 'dev' set but not used [-Wunused-but-set-variable]
warning: variable 'cpu' set but not used [-Wunused-but-set-variable]
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The problem is that ->reset_state is a u8 but it can be set to -1 or -2 in
aac_tmf_callback() and the error handling in aac_eh_target_reset() relies
on it to be signed.
[mkp: fixed typo]
Fixes: 0d643ff3c3 ("scsi: aacraid: use aac_tmf_callback for reset fib")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This is mostly updates to the usual drivers: mpt3sas, lpfc, qla2xxx,
hisi_sas, smartpqi, megaraid_sas, arcmsr. In addition, with the
continuing absence of Nic we have target updates for tcmu and target
core (all with reviews and acks). The biggest observable change is
going to be that we're (again) trying to switch to mulitqueue as the
default (a user can still override the setting on the kernel command
line). Other major core stuff is the removal of the remaining
Microchannel drivers, an update of the internal timers and some
reworks of completion and result handling.
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: mpt3sas, lpfc, qla2xxx,
hisi_sas, smartpqi, megaraid_sas, arcmsr.
In addition, with the continuing absence of Nic we have target updates
for tcmu and target core (all with reviews and acks).
The biggest observable change is going to be that we're (again) trying
to switch to mulitqueue as the default (a user can still override the
setting on the kernel command line).
Other major core stuff is the removal of the remaining Microchannel
drivers, an update of the internal timers and some reworks of
completion and result handling"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (203 commits)
scsi: core: use blk_mq_run_hw_queues in scsi_kick_queue
scsi: ufs: remove unnecessary query(DM) UPIU trace
scsi: qla2xxx: Fix issue reported by static checker for qla2x00_els_dcmd2_sp_done()
scsi: aacraid: Spelling fix in comment
scsi: mpt3sas: Fix calltrace observed while running IO & reset
scsi: aic94xx: fix an error code in aic94xx_init()
scsi: st: remove redundant pointer STbuffer
scsi: qla2xxx: Update driver version to 10.00.00.08-k
scsi: qla2xxx: Migrate NVME N2N handling into state machine
scsi: qla2xxx: Save frame payload size from ICB
scsi: qla2xxx: Fix stalled relogin
scsi: qla2xxx: Fix race between switch cmd completion and timeout
scsi: qla2xxx: Fix Management Server NPort handle reservation logic
scsi: qla2xxx: Flush mailbox commands on chip reset
scsi: qla2xxx: Fix unintended Logout
scsi: qla2xxx: Fix session state stuck in Get Port DB
scsi: qla2xxx: Fix redundant fc_rport registration
scsi: qla2xxx: Silent erroneous message
scsi: qla2xxx: Prevent sysfs access when chip is down
scsi: qla2xxx: Add longer window for chip reset
...
Remove the AAC_STAT_GOOD definition and open code it in the places it was
used.
This will make subsequent refactoring in this area easier.
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Cc: Dave Carroll <david.carroll@microsemi.com>
Cc: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Reviewed-by: Dave Carroll <david.carroll@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The driver fails to set the correct queue depth for native devices, due to
failing to set the device type prior to calling aac_set_safw_target_qd().
This results in slave configure setting the queue depth to 1.
This causes around 30% performance degradation. Fixed by setting the dev
type before trying to set queue depth.
Reported-by: Steve Best <sbest@redhat.com>
Fixes: 0bcb45fb20 ("scsi: aacraid: Add helper function to set queue depth")
cc: stable@vger.kernel.org
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Reviewed-by: David Carroll <David.Carroll@microsemi.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
get_seconds() can overflow on 32-bit architectures and is deprecated
because of that. The use in the aacraid driver has the same problem due to
a limited firmware interface, it also overflows in the year 2106.
This changes all calls to get_seconds() to the non-deprecated
ktime_get_real_seconds(), which unfortunately doesn't solve that problem
but gets rid of one user of the deprecated interface.
[mkp: checkpatch]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This is a set of minor (and safe changes) that didn't make the initial
pull request plus some bug fixes.
Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is a set of minor (and safe changes) that didn't make the initial
pull request plus some bug fixes"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: qla2xxx: Mask off Scope bits in retry delay
scsi: qla2xxx: Fix crash on qla2x00_mailbox_command
scsi: aic7xxx: aic79xx: fix potential null pointer dereference on ahd
scsi: mpt3sas: Add an I/O barrier
scsi: qla2xxx: Fix setting lower transfer speed if GPSC fails
scsi: hpsa: disable device during shutdown
scsi: sd_zbc: Fix sd_zbc_check_zone_size() error path
scsi: aacraid: remove bogus GFP_DMA32 specifies
For one GFP_DMA32 does not actually work with kmalloc, as we only have
GFP_DMA and GFP_KERNEL caches, but not GFP_DMA32. Second the memory
is mapped using the proper DMA API anyway, which would include proper
bounce buffering if needed by the device.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
commit b60710ec7d ("scsi: aacraid: enable sending of TMFs from
aac_hba_send()") allows aac_hba_send() to send scsi commands, and TMF
requests, but the existing code only updates the iu_type for scsi
commands. For TMF requests we are sending an unknown iu_type to
firmware, which causes a fault.
Include iu_type prior to determining the validity of the command
Reported-by: Noah Misner <nmisner@us.ibm.com>
Fixes: b60710ec7d ("aacraid: enable sending of TMFs from aac_hba_send()")
Fixes: 423400e64d ("aacraid: Include HBA direct interface")
Tested-by: Noah Misner <nmisner@us.ibm.com>
cc: stable@vger.kernel.org
Signed-off-by: Dave Carroll <david.carroll@microsemi.com>
Reviewed-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Reviewed-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This is mostly updates of the usual drivers: arcmsr, qla2xx, lpfc,
ufs, mpt3sas, hisi_sas. In addition we have removed several really
old drivers: sym53c416, NCR53c406a, fdomain, fdomain_cs and removed
the old scsi_module.c initialization from all remaining drivers. Plus
an assortment of bug fixes, initialization errors and other minor
fixes.
Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This is mostly updates of the usual drivers: arcmsr, qla2xx, lpfc,
ufs, mpt3sas, hisi_sas.
In addition we have removed several really old drivers: sym53c416,
NCR53c406a, fdomain, fdomain_cs and removed the old scsi_module.c
initialization from all remaining drivers.
Plus an assortment of bug fixes, initialization errors and other minor
fixes"
* tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (168 commits)
scsi: ufs: Add support for Auto-Hibernate Idle Timer
scsi: ufs: sysfs: reworking of the rpm_lvl and spm_lvl entries
scsi: qla2xxx: fx00 copypaste typo
scsi: qla2xxx: fix error message on <qla2400
scsi: smartpqi: update driver version
scsi: smartpqi: workaround fw bug for oq deletion
scsi: arcmsr: Change driver version to v1.40.00.05-20180309
scsi: arcmsr: Sleep to avoid CPU stuck too long for waiting adapter ready
scsi: arcmsr: Handle adapter removed due to thunderbolt cable disconnection.
scsi: arcmsr: Rename ACB_F_BUS_HANG_ON to ACB_F_ADAPTER_REMOVED for adapter hot-plug
scsi: qla2xxx: Update driver version to 10.00.00.06-k
scsi: qla2xxx: Fix Async GPN_FT for FCP and FC-NVMe scan
scsi: qla2xxx: Cleanup code to improve FC-NVMe error handling
scsi: qla2xxx: Fix FC-NVMe IO abort during driver reset
scsi: qla2xxx: Fix retry for PRLI RJT with reason of BUSY
scsi: qla2xxx: Remove nvme_done_list
scsi: qla2xxx: Return busy if rport going away
scsi: qla2xxx: Fix n2n_ae flag to prevent dev_loss on PDB change
scsi: qla2xxx: Add FC-NVMe abort processing
scsi: qla2xxx: Add changes for devloss timeout in driver
...
Somewhat nasty merge due to conflicts between "33b28357dd00 scsi:
qla2xxx: Fix Async GPN_FT for FCP and FC-NVMe scan" and "2b5b96473efc
scsi: qla2xxx: Fix FC-NVMe LUN discovery"
Merge is non-trivial and has been verified by Qlogic (Cavium)
Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
This patch fixes spelling typos found in printk.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
These are mostly fixes for problems with merge window code. In
addition we have one doc update (alua) and two dead code removals
(aiclib and octogon) a spurious assignment removal (csiostor) and a
performance improvement for storvsc involving better interrupt
spreading and increasing the command per lun handling.
Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"These are mostly fixes for problems with merge window code.
In addition we have one doc update (alua) and two dead code removals
(aiclib and octogon) a spurious assignment removal (csiostor) and a
performance improvement for storvsc involving better interrupt
spreading and increasing the command per lun handling"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: qla4xxx: skip error recovery in case of register disconnect.
scsi: aacraid: fix shutdown crash when init fails
scsi: qedi: Cleanup local str variable
scsi: qedi: Fix truncation of CHAP name and secret
scsi: qla2xxx: Fix incorrect handle for abort IOCB
scsi: qla2xxx: Fix double free bug after firmware timeout
scsi: storvsc: Increase cmd_per_lun for higher speed devices
scsi: qla2xxx: Fix a locking imbalance in qlt_24xx_handle_els()
scsi: scsi_dh: Document alua_rtpg_queue() arguments
scsi: Remove Makefile entry for oktagon files
scsi: aic7xxx: remove aiclib.c
scsi: qla2xxx: Avoid triggering undefined behavior in qla2x00_mbx_completion()
scsi: mptfusion: Add bounds check in mptctl_hp_targetinfo()
scsi: sym53c8xx_2: iterator underflow in sym_getsync()
scsi: bnx2fc: Fix check in SCSI completion handler for timed out request
scsi: csiostor: remove redundant assignment to pointer 'ln'
scsi: ufs: Enable quirk to ignore sending WRITE_SAME command
scsi: ibmvfc: fix misdefined reserved field in ibmvfc_fcp_rsp_info
scsi: qla2xxx: Fix memory corruption during hba reset test
scsi: mpt3sas: fix an out of bound write
During sync command processing, if legacy INTx status indicates command
is not completed, sample the MSIx register and check if it indicates
command completion, set controller MSIx enabled flag.
Signed-off-by: Prasad B Munirathnam <prasad.munirathnam@microsemi.com>
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Reviewed-by: Dave Carroll <david.carroll@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Preserve the current MSIX mode value in the OMR before rewriting the OMR
to initiate the IOP or Soft Reset.
Signed-off-by: Prasad B Munirathnam <prasad.munirathnam@microsemi.com>
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Reviewed-by: Dave Carroll <david.carroll@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
IOP_RESET takes a long time to complete. If controller is in a state
where we can bring it back with init struct, send a DropIO sync command
instead.
- If controller is faulted perform standard IOP_RESET in aac_srcv_init.
- If controller is not faulted get adapter properties and extended
properties.
- Update the sa_firmware variable and determine if DropIO request is
supported.
- Issue DropIO request, and get the number of outstanding commands.
- If all commands are complete with success (CT_OK), consider IOP_RESET
is complete.
- If any commands timeout, Perform the IOP_RESET.
Signed-off-by: Prasad B Munirathnam <prasad.munirathnam@microsemi.com>
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Reviewed-by: Dave Carroll <david.carroll@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When aacraid init fails with "AAC0: adapter self-test failed.", shutdown
leads to UBSAN warning and then oops:
[154316.118423] ================================================================================
[154316.118508] UBSAN: Undefined behaviour in drivers/scsi/scsi_lib.c:2328:27
[154316.118566] member access within null pointer of type 'struct Scsi_Host'
[154316.118631] CPU: 2 PID: 14530 Comm: reboot Tainted: G W 4.15.0-dirty #89
[154316.118701] Hardware name: Hewlett Packard HP NetServer/HP System Board, BIOS 4.06.46 PW 06/25/2003
[154316.118774] Call Trace:
[154316.118848] dump_stack+0x48/0x65
[154316.118916] ubsan_epilogue+0xe/0x40
[154316.118976] __ubsan_handle_type_mismatch+0xfb/0x180
[154316.119043] scsi_block_requests+0x20/0x30
[154316.119135] aac_shutdown+0x18/0x40 [aacraid]
[154316.119196] pci_device_shutdown+0x33/0x50
[154316.119269] device_shutdown+0x18a/0x390
[...]
[154316.123435] BUG: unable to handle kernel NULL pointer dereference at 000000f4
[154316.123515] IP: scsi_block_requests+0xa/0x30
This is because aac_shutdown() does
struct Scsi_Host *shost = pci_get_drvdata(dev);
scsi_block_requests(shost);
and that assumes shost has been assigned with pci_set_drvdata().
However, pci_set_drvdata(pdev, shost) is done in aac_probe_one() far
after bailing out with error from calling the init function
((*aac_drivers[index].init)(aac)), and when the init function fails, no
error is returned from aac_probe_one() so PCI layer assumes there is
driver attached, and tries to shut it down later.
Fix it by returning error from aac_probe_one() when card-specific init
function fails.
This fixes reboot on my HP NetRAID-4M with dead battery.
Signed-off-by: Meelis Roos <mroos@linux.ee>
Reviewed-by: Dave Carroll <david.carroll@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This is mostly updates of the usual driver suspects: arcmsr,
scsi_debug, mpt3sas, lpfc, cxlflash, qla2xxx, aacraid, megaraid_sas,
hisi_sas. We also have a rework of the libsas hotplug handling to
make it more robust, a slew of 32 bit time conversions and fixes, and
a host of the usual minor updates and style changes. The biggest
potential for regressions is the libsas hotplug changes, but so far
they seem stable under testing.
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 of the usual driver suspects: arcmsr,
scsi_debug, mpt3sas, lpfc, cxlflash, qla2xxx, aacraid, megaraid_sas,
hisi_sas.
We also have a rework of the libsas hotplug handling to make it more
robust, a slew of 32 bit time conversions and fixes, and a host of the
usual minor updates and style changes. The biggest potential for
regressions is the libsas hotplug changes, but so far they seem stable
under testing"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (313 commits)
scsi: qla2xxx: Fix logo flag for qlt_free_session_done()
scsi: arcmsr: avoid do_gettimeofday
scsi: core: Add VENDOR_SPECIFIC sense code definitions
scsi: qedi: Drop cqe response during connection recovery
scsi: fas216: fix sense buffer initialization
scsi: ibmvfc: Remove unneeded semicolons
scsi: hisi_sas: fix a bug in hisi_sas_dev_gone()
scsi: hisi_sas: directly attached disk LED feature for v2 hw
scsi: hisi_sas: devicetree: bindings: add LED feature for v2 hw
scsi: megaraid_sas: NVMe passthrough command support
scsi: megaraid: use ktime_get_real for firmware time
scsi: fnic: use 64-bit timestamps
scsi: qedf: Fix error return code in __qedf_probe()
scsi: devinfo: fix format of the device list
scsi: qla2xxx: Update driver version to 10.00.00.05-k
scsi: qla2xxx: Add XCB counters to debugfs
scsi: qla2xxx: Fix queue ID for async abort with Multiqueue
scsi: qla2xxx: Fix warning for code intentation in __qla24xx_handle_gpdb_event()
scsi: qla2xxx: Fix warning during port_name debug print
scsi: qla2xxx: Fix warning in qla2x00_async_iocb_timeout()
...
The delay for the rescan worker needs to 10 seconds, missed the HZ in
there.
Fixes: a1367e4ade (scsi: aacraid: Reschedule host scan in case of failure)
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The correct lun count needs to be divided by 24, missed it in the
previous patch set.
Fixes: 4b00022753 (scsi: aacraid: Create helper functions to get lun info)
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
A previous commit no longer stores the contents of c, so we now have a
situation where c is being updated but the value is never read. Clean up
the code by removing the now redundant setting of variable c.
Cleans up clang warning:
drivers/scsi/aacraid/aachba.c:943:3: warning: Value stored to 'c' is
never read
Fixes: f4e8708d31 ("scsi: aacraid: Fix udev inquiry race condition")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The battery in my HP NetRAID-4M died of old age, and the aacraid driver
started oopsing with NULL pointer dereference on startup after that.
Fix it by reordering the init sequence to fill in function pointers
before ioremapping memory, or dev->a_ops.adapter_ioremap pointer will be
NULL.
Other subtypes of aacraid seem to have the order already correct.
This was the call trace:
? aac_probe_one+0x7a5/0xb30 [aacraid]
pci_device_probe+0xc0/0x1a0
driver_probe_device+0x1df/0x3b0
__driver_attach+0xa9/0xe0
? driver_probe_device+0x3b0/0x3b0
bus_for_each_dev+0x4c/0x90
driver_attach+0x1d/0x40
? driver_probe_device+0x3b0/0x3b0
bus_add_driver+0x1a7/0x2a0
driver_register+0x6e/0x130
__pci_register_driver+0x54/0x90
? 0xf81f4000
aac_init+0x2b/0x1000 [aacraid]
do_one_initcall+0x45/0x1e0
? kfree_skbmem+0x74/0xa0
? kfree+0x16d/0x240
? kvfree+0x45/0x50
? kvfree+0x45/0x50
? __vunmap+0x99/0x120
? do_init_module+0x1a/0x245
do_init_module+0x83/0x245
load_module+0x2764/0x34a0
? kernel_read_file+0x150/0x320
SyS_finit_module+0x82/0xa0
do_fast_syscall_32+0xba/0x340
Signed-off-by: Meelis Roos <mroos@linux.ee>
Reviewed-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Update driver Version to 50877
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Earlier driver would scan throgh all supported buses and targets and add
devices that responded. It would add devices that were _hidden_ by the fw.
Driver would invalidate commands sent to _hidden_ devices via the
AAC_HIDE_DISK check.
Since the driver now adds only the devices that are supposed to be
exposed, this code can be removed.
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
There is a chance of the driver to be stuck in kdump if drives start
acting up in kdump discovery process and the kernel decides to send eh
resets, which would prompt rescan to be scheduled.
Do not perform a rescan in kdump context, since we do not expect a hotplug
event during kdump and all the devices are going to go away anyway.
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add back the ability to scan for hotplug changes while eh was in progress.
Schedule a rescan for a later time in the eh recovery code and wait for
eh to complete in the rescan worker.
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
If the driver fails to retrieve information from the fw (could happen when
the fw is not fully in its senses), the driver does nothing and change is
not processed correctly by the driver
Schedule host rescan in case of failure. This is only for SAFW, since
the information retrieval failure will happen on SAFW devices.
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Driver uses scsi_scan_host to add new devices in the driver init path,
which adds all the fw exposed devices. The drivers resorts to queue
command checks to block out commands to _hidden_ devices.
Use the hotplug handler code to add new devices during driver init and
other areas, this is only for safw. For ARC scsi_scan_host will still
apply.
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Currently driver will attempt to process hotplug events concurrently based
on the FW interrupt.
Protect safw update function with a scan mutex.
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The device hotplug events are processed only after retrieving the updated
lun information from the fw. Does not make sense to keep them separate.
Merge both the hotplug handling and safw adapter setup code into single
function.
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Resolve luns checks the if a sdev is already present in the os to figure
out if it needs to be removed. Internally the driver exposes HBA on bus
2 even though its bus 1 in the fw. Its mildly confusing.
Refactor out the sdev lookup into its function to check if sdev has been
added to the kernel or not. Add helper functions to add, remove and put
devices based on their fw bus and target number.
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Added macros to loop through the MAX SUPPORTED Buses and Targets. This
will make the code a bit easier to read.
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The hotplug handler code is duplicated for hba handling and container
handling.
Merged function to handle hba and container hot plug events into the
resolve luns functions. Added a bunch of helper functions to check the
validity of a given target and to check if bus, target is container
device.
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Merge aac_get_containers to setup target function, so that information
about all the present devices can be retrieved in one shot.
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add helper function to set queue depth from information retrieved from
the bmic phy structure.
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Save the bmic information for each phy, so that it can processed in
target setup function.
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Created inline function to retrieve lun info for each device from the
phy luns structure.
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Move the function to get phy luns information to the top of function
to set target information
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Remove function call to process targets from the report phy luns function
and make it a function in its own right. This will help understand the
flow of the code.
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add helper function to setup targets devices and create the base for the
upcoming patches
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Rename variables and functions to make bmic identify, report phy luns
to make them consistent across code internal existing code bases
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Linus Torvalds