Add sysfs support to control zio6 interrupt threshold. Using this sysfs hook
user can set when to generate interrupts. This value will be used to tell
firmware to generate interrupt at a certain interval. If the number of
exchanges/commands fall below defined setting, then the interrupt will be
generated immediately by the firmware.
By default ZIO6 will coalesce interrupts to a specified interval
regardless of low traffic or high traffic.
[mkp: fixed several typos]
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Following changes are added by this patch
- Prevent ABTS Response from getting in front of Termination of exchange.
Firmware requires driver to cleanup exchanges before ABTS response can be
sent. This reduces ABTS response error which triggers extra command
re-termination and re-sending of ABTS response.
- Add bits in driver and tracks CTIO/ATIO attribute bits for proper command
Termination. A copy of the ATTR bits will be kept in the ABTS task
management command as a back up copy, if an ABTS response encounters an
error.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
ABTS error completion can trigger an exchange cleanup from the driver and
another ABTS response will be generated. This retry of ABTS response can
cause loop between driver trying to send ABTS and firmware returning error.
This patch fixes this issue by adding logic to check for unresolved exchanges
and clean up before ABTS is retried. This patch also addes the fix to use the
same qpair as the ABTS completion for the terminatation of exchange as well as
retry of ABTS response.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When driver detect CTIO_INVALID_RX_ID status for CTIO, print message with
correct information to help with debugging.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Move ATIO queue processing out of hardware_lock to prevent deadlock.
Fixes: 3bb67df5b5 ("qla2xxx: Check for online flag instead of active reset when transmitting responses")
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
For driver MBX submission, use mbox_busy to serialize request. For Userspace
MBX submission, use optrom mutex to serialize request.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When driver receive PLOGI/PRLI from FW, the WWPN value will be provided. If
it is not, then driver will terminate it. The WWPN allows driver to locate
the session or create a new session.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
For target mode, any chip reset triggered before target mode is enabled will
be held off until user is ready to enable. This prevents the chip from
starting or running before it is intended.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When switch responds with error for Get Port Speed Command (GPSC), driver
should not proceed with telling FW about the speed of the remote port.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When all fabric scan retries fail, remove all RPorts, DMA resources for the
command. Otherwise we have stale Rports.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Turn ON logout_on_delete flag to make sure firmware resource for fcport is
cleaned up on ADISC error.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Turn off IOCB timeout timer on IOCB completion instead of turning it off in a
deferred task. This prevent false alarm if the deferred task is stalled out.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Decrement login retry count only for plogi instead of number of attempts made
for login.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Currently, the rport registration is being called from a single work element
that is used to process QLA internal "work_list". This work_list is meant for
quick and simple task (ie no sleep). The Rport registration process sometime
can be delayed by upper layer. This causes back pressure with the internal
queue where other jobs are unable to move forward.
This patch will schedule the registration process with a new work element
(fc_port.reg_work). While the RPort is being registered, the current state of
the fcport will not move forward until the registration is done. If the state
of the fabric has changed, a new field/next_disc_state will record the next
action on whether to 'DELETE' or 'Reverify the session/ADISC'.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Remove redundant check for fcport is deleted or being delete. The same check
is already in the deletion routine.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Rename rscn_rcvd field to scan_needed to be more meaningful.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
On Abort of initiator scsi command, the abort needs to follow the same qpair
as the the scsi command to prevent out of order processing.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This patch improves performance for 16G and above adapter by removing
additional call to process_response_queue().
[mkp: typo]
Cc: <stable@vger.kernel.org>
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Bare-metal toolchains don't define __linux__, so aic7xxx build with
bare-metal toolchain is broken. This driver codebase used to be partially
shared with FreeBSD, but these days there is no point in keeping the
compatibility around. So let's just drop FreeBSD related code and get rid
of __linux__ checking in order to fix the build using bare-metal
toolchains.
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
kmem_cache_destroy() can handle NULL pointer correctly, so there is no
need to check NULL pointer before calling kmem_cache_destroy()
Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Acked-by: Johannes Thumshirn <jth@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Smatch complains about this code:
drivers/scsi/lpfc/lpfc_scsi.c:1053 lpfc_get_scsi_buf_s4()
warn: variable dereferenced before check 'lpfc_cmd' (see line 1039)
Fortunately the NULL check isn't required so I have removed it.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
'NEGOTIATION' was misspelled as 'NEGOTATION'. Fixed it. It is a coding
style change which should have no impact on runtime execution of code.
Signed-off-by: Faisal Mehmood <f.m3hm00d@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Variable dmsg is not being used and is redundant and hence can be
removed.
Cleans up clang warning:
warning: variable 'dmsg' 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>
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>
I ran into a new warning on randconfig kernels:
drivers/scsi/raid_class.c: In function 'raid_match':
drivers/scsi/raid_class.c:64:24: error: unused variable 'i' [-Werror=unused-variable]
This looks like a very old problem that for some reason was very hard to
run into, but it is very easy to fix, by replacing the incorrect #ifdef
with a simpler IS_ENABLED() check.
Fixes: fac829fdca ("[SCSI] raid_attrs: fix dependency problems")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Pull IDA updates from Matthew Wilcox:
"A better IDA API:
id = ida_alloc(ida, GFP_xxx);
ida_free(ida, id);
rather than the cumbersome ida_simple_get(), ida_simple_remove().
The new IDA API is similar to ida_simple_get() but better named. The
internal restructuring of the IDA code removes the bitmap
preallocation nonsense.
I hope the net -200 lines of code is convincing"
* 'ida-4.19' of git://git.infradead.org/users/willy/linux-dax: (29 commits)
ida: Change ida_get_new_above to return the id
ida: Remove old API
test_ida: check_ida_destroy and check_ida_alloc
test_ida: Convert check_ida_conv to new API
test_ida: Move ida_check_max
test_ida: Move ida_check_leaf
idr-test: Convert ida_check_nomem to new API
ida: Start new test_ida module
target/iscsi: Allocate session IDs from an IDA
iscsi target: fix session creation failure handling
drm/vmwgfx: Convert to new IDA API
dmaengine: Convert to new IDA API
ppc: Convert vas ID allocation to new IDA API
media: Convert entity ID allocation to new IDA API
ppc: Convert mmu context allocation to new IDA API
Convert net_namespace to new IDA API
cb710: Convert to new IDA API
rsxx: Convert to new IDA API
osd: Convert to new IDA API
sd: Convert to new IDA API
...
Pull irq update from Thomas Gleixner:
"A small set of updats/fixes for the irq subsystem:
- Allow GICv3 interrupts to be configured as wake-up sources to
enable wakeup from suspend
- Make the error handling of the STM32 irqchip init function work
- A set of small cleanups and improvements"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/gic-v3: Allow interrupt to be configured as wake-up sources
irqchip/tango: Set irq handler and data in one go
dt-bindings: irqchip: renesas-irqc: Document r8a774a1 support
irqchip/s3c24xx: Remove unneeded comparison of unsigned long to 0
irqchip/stm32: Fix init error handling
irqchip/bcm7038-l1: Hide cpu offline callback when building for !SMP
* memory_failure() gets confused by dev_pagemap backed mappings. The
recovery code has specific enabling for several possible page states
that needs new enabling to handle poison in dax mappings. Teach
memory_failure() about ZONE_DEVICE pages.
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Merge tag 'libnvdimm-for-4.19_dax-memory-failure' of gitolite.kernel.org:pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm memory-failure update from Dave Jiang:
"As it stands, memory_failure() gets thoroughly confused by dev_pagemap
backed mappings. The recovery code has specific enabling for several
possible page states and needs new enabling to handle poison in dax
mappings.
In order to support reliable reverse mapping of user space addresses:
1/ Add new locking in the memory_failure() rmap path to prevent races
that would typically be handled by the page lock.
2/ Since dev_pagemap pages are hidden from the page allocator and the
"compound page" accounting machinery, add a mechanism to determine
the size of the mapping that encompasses a given poisoned pfn.
3/ Given pmem errors can be repaired, change the speculatively
accessed poison protection, mce_unmap_kpfn(), to be reversible and
otherwise allow ongoing access from the kernel.
A side effect of this enabling is that MADV_HWPOISON becomes usable
for dax mappings, however the primary motivation is to allow the
system to survive userspace consumption of hardware-poison via dax.
Specifically the current behavior is:
mce: Uncorrected hardware memory error in user-access at af34214200
{1}[Hardware Error]: It has been corrected by h/w and requires no further action
mce: [Hardware Error]: Machine check events logged
{1}[Hardware Error]: event severity: corrected
Memory failure: 0xaf34214: reserved kernel page still referenced by 1 users
[..]
Memory failure: 0xaf34214: recovery action for reserved kernel page: Failed
mce: Memory error not recovered
<reboot>
...and with these changes:
Injecting memory failure for pfn 0x20cb00 at process virtual address 0x7f763dd00000
Memory failure: 0x20cb00: Killing dax-pmd:5421 due to hardware memory corruption
Memory failure: 0x20cb00: recovery action for dax page: Recovered
Given all the cross dependencies I propose taking this through
nvdimm.git with acks from Naoya, x86/core, x86/RAS, and of course dax
folks"
* tag 'libnvdimm-for-4.19_dax-memory-failure' of gitolite.kernel.org:pub/scm/linux/kernel/git/nvdimm/nvdimm:
libnvdimm, pmem: Restore page attributes when clearing errors
x86/memory_failure: Introduce {set, clear}_mce_nospec()
x86/mm/pat: Prepare {reserve, free}_memtype() for "decoy" addresses
mm, memory_failure: Teach memory_failure() about dev_pagemap pages
filesystem-dax: Introduce dax_lock_mapping_entry()
mm, memory_failure: Collect mapping size in collect_procs()
mm, madvise_inject_error: Let memory_failure() optionally take a page reference
mm, dev_pagemap: Do not clear ->mapping on final put
mm, madvise_inject_error: Disable MADV_SOFT_OFFLINE for ZONE_DEVICE pages
filesystem-dax: Set page->index
device-dax: Set page->index
device-dax: Enable page_mapping()
device-dax: Convert to vmf_insert_mixed and vm_fault_t
Collection of misc libnvdimm patches for 4.19 submission
* Adding support to read locked nvdimm capacity.
* Change test code to make DSM failure code injection an override.
* Add support for calculate maximum contiguous area for namespace.
* Add support for queueing a short ARS when there is on going ARS for
nvdimm.
* Allow NULL to be passed in to ->direct_access() for kaddr and
pfn params.
* Improve smart injection support for nvdimm emulation testing.
* Fix test code that supports for emulating controller temperature.
* Fix hang on error before devm_memremap_pages()
* Fix a bug that causes user memory corruption when data returned
to user for ars_status.
* Maintainer updates for Ross Zwisler emails and adding Jan Kara to fsdax.
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Merge tag 'libnvdimm-for-4.19_misc' of gitolite.kernel.org:pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm updates from Dave Jiang:
"Collection of misc libnvdimm patches for 4.19 submission:
- Adding support to read locked nvdimm capacity.
- Change test code to make DSM failure code injection an override.
- Add support for calculate maximum contiguous area for namespace.
- Add support for queueing a short ARS when there is on going ARS for
nvdimm.
- Allow NULL to be passed in to ->direct_access() for kaddr and pfn
params.
- Improve smart injection support for nvdimm emulation testing.
- Fix test code that supports for emulating controller temperature.
- Fix hang on error before devm_memremap_pages()
- Fix a bug that causes user memory corruption when data returned to
user for ars_status.
- Maintainer updates for Ross Zwisler emails and adding Jan Kara to
fsdax"
* tag 'libnvdimm-for-4.19_misc' of gitolite.kernel.org:pub/scm/linux/kernel/git/nvdimm/nvdimm:
libnvdimm: fix ars_status output length calculation
device-dax: avoid hang on error before devm_memremap_pages()
tools/testing/nvdimm: improve emulation of smart injection
filesystem-dax: Do not request kaddr and pfn when not required
md/dm-writecache: Don't request pointer dummy_addr when not required
dax/super: Do not request a pointer kaddr when not required
tools/testing/nvdimm: kaddr and pfn can be NULL to ->direct_access()
s390, dcssblk: kaddr and pfn can be NULL to ->direct_access()
libnvdimm, pmem: kaddr and pfn can be NULL to ->direct_access()
acpi/nfit: queue issuing of ars when an uc error notification comes in
libnvdimm: Export max available extent
libnvdimm: Use max contiguous area for namespace size
MAINTAINERS: Add Jan Kara for filesystem DAX
MAINTAINERS: update Ross Zwisler's email address
tools/testing/nvdimm: Fix support for emulating controller temperature
tools/testing/nvdimm: Make DSM failure code injection an override
acpi, nfit: Prefer _DSM over _LSR for namespace label reads
libnvdimm: Introduce locked DIMM capacity support
A couple of late-merged changes that would be useful to get in this
merge window:
- Driver support for reset of audio complex on Meson platforms. The
audio driver went in this merge window, and these changes have been
in -next for a while (just not in our tree).
- Power management fixes for IOMMU on Rockchip platforms, getting
closer to kexec working on them, including Chromebooks.
- Another pass updating "arm,psci" -> "psci" for some properties that
have snuck in since last time it was done.
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Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC late updates from Olof Johansson:
"A couple of late-merged changes that would be useful to get in this
merge window:
- Driver support for reset of audio complex on Meson platforms. The
audio driver went in this merge window, and these changes have been
in -next for a while (just not in our tree).
- Power management fixes for IOMMU on Rockchip platforms, getting
closer to kexec working on them, including Chromebooks.
- Another pass updating "arm,psci" -> "psci" for some properties that
have snuck in since last time it was done"
* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
iommu/rockchip: Move irq request past pm_runtime_enable
iommu/rockchip: Handle errors returned from PM framework
arm64: rockchip: Force CONFIG_PM on Rockchip systems
ARM: rockchip: Force CONFIG_PM on Rockchip systems
arm64: dts: Fix various entry-method properties to reflect documentation
reset: imx7: Fix always writing bits as 0
reset: meson: add meson audio arb driver
reset: meson: add dt-bindings for meson-axg audio arb
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Merge tag 'for-linus-20180825' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"A few small fixes for this merge window:
- Locking imbalance fix for bcache (Shan Hai)
- A few small fixes for wbt. One is a cleanup/prep, one is a fix for
an existing issue, and the last two are fixes for changes that went
into this merge window (me)"
* tag 'for-linus-20180825' of git://git.kernel.dk/linux-block:
blk-wbt: don't maintain inflight counts if disabled
blk-wbt: fix has-sleeper queueing check
blk-wbt: use wq_has_sleeper() for wq active check
blk-wbt: move disable check into get_limit()
bcache: release dc->writeback_lock properly in bch_writeback_thread()
Pull libata updates from Tejun Heo:
"Nothing too interesting. Mostly ahci and ahci_platform changes, many
around power management"
* 'for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: (22 commits)
ata: ahci_platform: enable to get and control reset
ata: libahci_platform: add reset control support
ata: add an extra argument to ahci_platform_get_resources()
ata: sata_rcar: Add r8a77965 support
ata: sata_rcar: exclude setting of PHY registers in Gen3
ata: sata_rcar: really mask all interrupts on Gen2 and later
Revert "ata: ahci_platform: allow disabling of hotplug to save power"
ata: libahci: Allow reconfigure of DEVSLP register
ata: libahci: Correct setting of DEVSLP register
ata: ahci: Enable DEVSLP by default on x86 with SLP_S0
ata: ahci: Support state with min power but Partial low power state
Revert "ata: ahci_platform: convert kcalloc to devm_kcalloc"
ata: sata_rcar: Add rudimentary Runtime PM support
ata: sata_rcar: Provide a short-hand for &pdev->dev
ata: Only output sg element mapped number in verbose debug
ata: Guard ata_scsi_dump_cdb() by ATA_VERBOSE_DEBUG
ata: ahci_platform: convert kcalloc to devm_kcalloc
ata: ahci_platform: convert kzallloc to kcalloc
ata: ahci_platform: correct parameter documentation for ahci_platform_shutdown
libata: remove ata_sff_data_xfer_noirq()
...
Including:
- PASID table handling updates for the Intel VT-d driver. It
implements a global PASID space now so that applications
usings multiple devices will just have one PASID.
- A new config option to make iommu passthroug mode the default.
- New sysfs attribute for iommu groups to export the type of the
default domain.
- A debugfs interface (for debug only) usable by IOMMU drivers
to export internals to user-space.
- R-Car Gen3 SoCs support for the ipmmu-vmsa driver
- The ARM-SMMU now aborts transactions from unknown devices and
devices not attached to any domain.
- Various cleanups and smaller fixes all over the place.
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Merge tag 'iommu-updates-v4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU updates from Joerg Roedel:
- PASID table handling updates for the Intel VT-d driver. It implements
a global PASID space now so that applications usings multiple devices
will just have one PASID.
- A new config option to make iommu passthroug mode the default.
- New sysfs attribute for iommu groups to export the type of the
default domain.
- A debugfs interface (for debug only) usable by IOMMU drivers to
export internals to user-space.
- R-Car Gen3 SoCs support for the ipmmu-vmsa driver
- The ARM-SMMU now aborts transactions from unknown devices and devices
not attached to any domain.
- Various cleanups and smaller fixes all over the place.
* tag 'iommu-updates-v4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (42 commits)
iommu/omap: Fix cache flushes on L2 table entries
iommu: Remove the ->map_sg indirection
iommu/arm-smmu-v3: Abort all transactions if SMMU is enabled in kdump kernel
iommu/arm-smmu-v3: Prevent any devices access to memory without registration
iommu/ipmmu-vmsa: Don't register as BUS IOMMU if machine doesn't have IPMMU-VMSA
iommu/ipmmu-vmsa: Clarify supported platforms
iommu/ipmmu-vmsa: Fix allocation in atomic context
iommu: Add config option to set passthrough as default
iommu: Add sysfs attribyte for domain type
iommu/arm-smmu-v3: sync the OVACKFLG to PRIQ consumer register
iommu/arm-smmu: Error out only if not enough context interrupts
iommu/io-pgtable-arm-v7s: Abort allocation when table address overflows the PTE
iommu/io-pgtable-arm: Fix pgtable allocation in selftest
iommu/vt-d: Remove the obsolete per iommu pasid tables
iommu/vt-d: Apply per pci device pasid table in SVA
iommu/vt-d: Allocate and free pasid table
iommu/vt-d: Per PCI device pasid table interfaces
iommu/vt-d: Add for_each_device_domain() helper
iommu/vt-d: Move device_domain_info to header
iommu/vt-d: Apply global PASID in SVA
...
Pull thermal management updates from Zhang Rui:
- Add Daniel Lezcano as the reviewer of thermal framework and SoC
driver changes (Daniel Lezcano).
- Fix a bug in intel_dts_soc_thermal driver, which does not translate
IO-APIC GSI (Global System Interrupt) into Linux irq number (Hans de
Goede).
- For device tree bindings, allow cooling devices sharing same trip
point with same contribution value to share cooling map (Viresh
Kumar).
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
dt-bindings: thermal: Allow multiple devices to share cooling map
MAINTAINERS: Add Daniel Lezcano as designated reviewer for thermal
Thermal: Intel SoC DTS: Translate IO-APIC GSI number to linux irq number
- An implementation for the newly added hv_ops->flush() for the OPAL hvc
console driver backends, I forgot to apply this after merging the hvc driver
changes before the merge window.
- Enable all PCI bridges at boot on powernv, to avoid races when multiple
children of a bridge try to enable it simultaneously. This is a workaround
until the PCI core can be enhanced to fix the races.
- A fix to query PowerVM for the correct system topology at boot before
initialising sched domains, seen in some configurations to cause broken
scheduling etc.
- A fix for pte_access_permitted() on "nohash" platforms.
- Two commits to fix SIGBUS when using remap_pfn_range() seen on Power9 due to
a workaround when using the nest MMU (GPUs, accelerators).
- Another fix to the VFIO code used by KVM, the previous fix had some bugs
which caused guests to not start in some configurations.
- A handful of other minor fixes.
Thanks to:
Aneesh Kumar K.V, Benjamin Herrenschmidt, Christophe Leroy, Hari Bathini, Luke
Dashjr, Mahesh Salgaonkar, Nicholas Piggin, Paul Mackerras, Srikar Dronamraju.
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Merge tag 'powerpc-4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- An implementation for the newly added hv_ops->flush() for the OPAL
hvc console driver backends, I forgot to apply this after merging the
hvc driver changes before the merge window.
- Enable all PCI bridges at boot on powernv, to avoid races when
multiple children of a bridge try to enable it simultaneously. This
is a workaround until the PCI core can be enhanced to fix the races.
- A fix to query PowerVM for the correct system topology at boot before
initialising sched domains, seen in some configurations to cause
broken scheduling etc.
- A fix for pte_access_permitted() on "nohash" platforms.
- Two commits to fix SIGBUS when using remap_pfn_range() seen on Power9
due to a workaround when using the nest MMU (GPUs, accelerators).
- Another fix to the VFIO code used by KVM, the previous fix had some
bugs which caused guests to not start in some configurations.
- A handful of other minor fixes.
Thanks to: Aneesh Kumar K.V, Benjamin Herrenschmidt, Christophe Leroy,
Hari Bathini, Luke Dashjr, Mahesh Salgaonkar, Nicholas Piggin, Paul
Mackerras, Srikar Dronamraju.
* tag 'powerpc-4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/mce: Fix SLB rebolting during MCE recovery path.
KVM: PPC: Book3S: Fix guest DMA when guest partially backed by THP pages
powerpc/mm/radix: Only need the Nest MMU workaround for R -> RW transition
powerpc/mm/books3s: Add new pte bit to mark pte temporarily invalid.
powerpc/nohash: fix pte_access_permitted()
powerpc/topology: Get topology for shared processors at boot
powerpc64/ftrace: Include ftrace.h needed for enable/disable calls
powerpc/powernv/pci: Work around races in PCI bridge enabling
powerpc/fadump: cleanup crash memory ranges support
powerpc/powernv: provide a console flush operation for opal hvc driver
powerpc/traps: Avoid rate limit messages from show unhandled signals
powerpc/64s: Fix PACA_IRQ_HARD_DIS accounting in idle_power4()
Pull s390 updates from Martin Schwidefsky:
- A couple of patches for the zcrypt driver:
+ Add two masks to determine which AP cards and queues are host
devices, this will be useful for KVM AP device passthrough
+ Add-on patch to improve the parsing of the new apmask and aqmask
+ Some code beautification
- Second try to reenable the GCC plugins, the first patch set had a
patch to do this but the merge somehow missed this
- Remove the s390 specific GCC version check and use the generic one
- Three patches for kdump, two bug fixes and one cleanup
- Three patches for the PCI layer, one bug fix and two cleanups
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: remove gcc version check (4.3 or newer)
s390/zcrypt: hex string mask improvements for apmask and aqmask.
s390/zcrypt: AP bus support for alternate driver(s)
s390/zcrypt: code beautify
s390/zcrypt: switch return type to bool for ap_instructions_available()
s390/kdump: Remove kzalloc_panic
s390/kdump: Fix memleak in nt_vmcoreinfo
s390/kdump: Make elfcorehdr size calculation ABI compliant
s390/pci: remove fmb address from debug output
s390/pci: remove stale rc
s390/pci: fix out of bounds access during irq setup
s390/zcrypt: fix ap_instructions_available() returncodes
s390: reenable gcc plugins for real
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Merge tag 'drm-next-2018-08-24' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Just a couple of fixes"
One MAINTAINERS address change, two panels fixes, and set of amdgpu
fixes (build fixes, display fixes and some others)"
* tag 'drm-next-2018-08-24' of git://anongit.freedesktop.org/drm/drm:
drm/edid: Add 6 bpc quirk for SDC panel in Lenovo B50-80
drm/amd/display: Don't build DCN1 when kcov is enabled
Revert "drm/amdgpu/display: Replace CONFIG_DRM_AMD_DC_DCN1_0 with CONFIG_X86"
drm/amdgpu/display: disable eDP fast boot optimization on DCE8
drm/amdgpu: fix amdgpu_amdkfd_remove_eviction_fence v3
drm/amdgpu: fix incorrect use of drm_file->pid
drm/amdgpu: fix incorrect use of fcheck
drm/powerplay: enable dpm under pass-through
drm/amdgpu: access register without KIQ
drm/amdgpu: set correct base for THM/NBIF/MP1 IP
drm/amd/display: fix dentist did ranges
drm/amd/display: make dp_ss_off optional
drm/amd/display: fix dp_ss_control vbios flag parsing
drm/amd/display: Do not retain link settings
MAINTAINERS: drm-misc: Change seanpaul's email address
drm/panel: simple: tv123wam: Add unprepare delay
Pull second i2c update from Wolfram Sang:
"As promised, here is my 2nd pull request for I2C, containing:
- removal of the attach_adapter callback, converting its last user
- removal of any __deprecated usage within I2C
- one email address update
- some SPDX conversion"
* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: don't use any __deprecated handling anymore
i2c: use SPDX identifier for Renesas drivers
i2c: ocores: update my email address
i2c: remove deprecated attach_adapter callback
macintosh: therm_windtunnel: drop using attach_adapter
Enabling the interrupt early, before power has been applied to the
device, can result in an interrupt being delivered too early if:
- the IOMMU shares an interrupt with a VOP
- the VOP has a pending interrupt (after a kexec, for example)
In these conditions, we end-up taking the interrupt without
the IOMMU being ready to handle the interrupt (not powered on).
Moving the interrupt request past the pm_runtime_enable() call
makes sure we can at least access the IOMMU registers. Note that
this is only a partial fix, and that the VOP interrupt will still
be screaming until the VOP driver kicks in, which advocates for
a more synchronized interrupt enabling/disabling approach.
Fixes: 0f181d3cf7 ("iommu/rockchip: Add runtime PM support")
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
pm_runtime_get_if_in_use can fail: either PM has been disabled
altogether (-EINVAL), or the device hasn't been enabled yet (0).
Sadly, the Rockchip IOMMU driver tends to conflate the two things
by considering a non-zero return value as successful.
This has the consequence of hiding other bugs, so let's handle this
case throughout the driver, with a WARN_ON_ONCE so that we can try
and work out what happened.
Fixes: 0f181d3cf7 ("iommu/rockchip: Add runtime PM support")
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
This tag fixes reset assertion on i.MX7 for all non-inverted reset
control bits. Currently only PCIE controller and PHY resets are used.
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Merge tag 'reset-fixes-for-4.18' of git://git.pengutronix.de/git/pza/linux into next/late
Reset controller fixes for v4.18
This tag fixes reset assertion on i.MX7 for all non-inverted reset
control bits. Currently only PCIE controller and PHY resets are used.
* tag 'reset-fixes-for-4.18' of git://git.pengutronix.de/git/pza/linux:
reset: imx7: Fix always writing bits as 0
Signed-off-by: Olof Johansson <olof@lixom.net>
This adds a single new driver for the Amlogic Meson Audio Memory Arbiter
resets.
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Merge tag 'reset-for-4.19-2' of git://git.pengutronix.de/git/pza/linux into next/late
Reset controller changes for v4.19, part 2
This adds a single new driver for the Amlogic Meson Audio Memory Arbiter
resets.
* tag 'reset-for-4.19-2' of git://git.pengutronix.de/git/pza/linux:
reset: meson: add meson audio arb driver
reset: meson: add dt-bindings for meson-axg audio arb
Signed-off-by: Olof Johansson <olof@lixom.net>
No new features but a bunch of tweaks such as
switching balloon from oom notifier to shrinker.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
"virtio, vhost: fixes, tweaks
No new features but a bunch of tweaks such as switching balloon from
oom notifier to shrinker"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vhost/scsi: increase VHOST_SCSI_PREALLOC_PROT_SGLS to 2048
vhost: allow vhost-scsi driver to be built-in
virtio: pci-legacy: Validate queue pfn
virtio: mmio-v1: Validate queue PFN
virtio_balloon: replace oom notifier with shrinker
virtio-balloon: kzalloc the vb struct
virtio-balloon: remove BUG() in init_vqs
This can be dropped with commit 771c035372
("deprecate the '__deprecated' attribute warnings entirely and for good")
now in upstream.
And we got rid of the last __deprecated use, too.
Signed-off-by: Sedat Dilek <sedat.dilek@credativ.de>
[wsa: shortened commit message to reflect the current situation]
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
The old @sunsite.dk address is no longer active, so update the references.
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>