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- Support 64-bit addressing for both streaming and coherent DMA (Wesley
Sheng)
- Read vep_vector_number with 16-bit, not 32-bit read (Logan Gunthorpe)
- Add Intercomm Notify and Upstream Error Containment support (Logan
Gunthorpe)
- Remove redundant valid PFF number count (Wesley Sheng)
- Avoid unnecessary CSR read in ISR (Wesley Sheng)
- Rename Gen3-specific constants (Logan Gunthorpe)
- Rework infrastructure to support Gen3- and Gen4-specific code (Logan
Gunthorpe)
- Add Gen4 system info register support (Logan Gunthorpe)
- Add Gen4 flash information interface support (Kelvin Cao)
- Add Gen4 MRPC GAS access permission check (Kelvin Cao)
* pci/switchtec:
PCI/switchtec: Add Gen4 device IDs
PCI/switchtec: Add Gen4 MRPC GAS access permission check
PCI/switchtec: Add Gen4 flash information interface support
PCI/switchtec: Add Gen4 system info register support
PCI/switchtec: Separate Gen3 register structures into unions
PCI/switchtec: Factor out Gen3 ioctl_flash_part_info()
PCI/switchtec: Add 'generation' variable
PCI/switchtec: Rename generation-specific constants
PCI/switchtec: Move check event ID from mask_event() to switchtec_event_isr()
PCI/switchtec: Remove redundant valid PFF number count
PCI/switchtec: Add support for Intercomm Notify and Upstream Error Containment
PCI/switchtec: Fix vep_vector_number ioread width
PCI/switchtec: Use dma_set_mask_and_coherent()
- Clear only bridge windows (not BARs) while assigning bus resources
(Logan Gunthorpe)
- Improve resource assignment for deep hotplug hierarchies, e.g.,
Thunderbolt (Nicholas Johnson)
* pci/resource:
PCI: Allow adjust_bridge_window() to shrink resource if necessary
PCI: Set resource size directly in adjust_bridge_window()
PCI: Rename extend_bridge_window() to adjust_bridge_window()
PCI: Rename extend_bridge_window() parameter
PCI: Consider alignment of hot-added bridges when assigning resources
PCI: Remove local variable usage in pci_bus_distribute_available_resources()
PCI: Pass size + alignment to pci_bus_distribute_available_resources()
PCI: Rename variables
PCI: Remove unnecessary braces
PCI: Don't disable bridge BARs when assigning bus resources
- Add Intel SkyLake-E to the whitelist of host bridges that support
peer-to-peer DMA (Armen Baloyan)
* pci/p2pdma:
PCI/P2PDMA: Add Intel SkyLake-E to the whitelist
- Fix Broadcom iProc quirk so it's applied regardless of whether the
iproc driver is built-in or a module (Wei Liu)
- Add extra delay when resuming AMD Ryzen5/7 XHCI controllers from D3hot
so they work after resume from runtime suspend or suspend-to-idle
(Daniel Drake)
- Fix pci_alloc_irq_vectors() function name typo in docs (Zenghui Yu)
* pci/misc:
Documentation: PCI: Fix pci_alloc_irq_vectors() function name typo
PCI: Increase D3 delay for AMD Ryzen5/7 XHCI controllers
PCI: Add generic quirk for increasing D3hot delay
PCI: iproc: Apply quirk_paxc_bridge() for module as well as built-in
- Log a message to identify the device that caused AER/DPC recovery to
fail (Yicong Yang)
- Initialize aer_fifo before use (Dongdong Liu)
* pci/aer:
PCI/AER: Initialize aer_fifo
PCI/AER: Factor message prefixes with dev_fmt()
PCI/AER: Log which device prevents error recovery
Remove checks for resource size in adjust_bridge_window(). This is
necessary to allow pci_bus_distribute_available_resources() to function
when the kernel parameter "pci=hpmemsize=nn[KMG]" is used to allocate
resources. Because the kernel parameter sets the size of all hotplug
bridges to be the same, there are problems when nested hotplug bridges are
encountered. Fitting a downstream hotplug bridge with size X and normal
bridges with non-zero size Y into parent hotplug bridge with size X is
impossible, and hence the downstream hotplug bridge needs to shrink to fit
into its parent.
Add check for if bridge is extended or shrunken and reflect that in the
call to pci_dbg().
Reset the resource if its new size is zero (if we have run out of a bridge
window resource) to prevent the PCI resource assignment code from
attempting to assign a zero-sized resource.
Link: https://lore.kernel.org/r/PSXP216MB0438D3E2CFE64EBAA32AF691803C0@PSXP216MB0438.KORP216.PROD.OUTLOOK.COM
Signed-off-by: Nicholas Johnson <nicholas.johnson-opensource@outlook.com.au>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Change adjust_bridge_window() to set resource size directly instead of
using additional resource lists.
Because additional resource lists are optional resources, any algorithm
that requires guaranteed allocation that uses them cannot be guaranteed to
work.
Remove the resource from add_list, as a zero-sized additional resource is
redundant.
Update comment in pci_bus_distribute_available_resources() to reflect the
above changes.
Link: https://lore.kernel.org/r/PSXP216MB04386BA48874B56BC5CB0292803C0@PSXP216MB0438.KORP216.PROD.OUTLOOK.COM
Signed-off-by: Nicholas Johnson <nicholas.johnson-opensource@outlook.com.au>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Rename extend_bridge_window() to adjust_bridge_window() to prepare for the
fact that the window will be able to shrink. No functional change
intended.
Link: https://lore.kernel.org/r/PSXP216MB0438C47B3473D0C9DE531F18803C0@PSXP216MB0438.KORP216.PROD.OUTLOOK.COM
Signed-off-by: Nicholas Johnson <nicholas.johnson-opensource@outlook.com.au>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
In extend_bridge_window(), change "available" parameter name to "new_size".
This makes more sense as this parameter represents the new size for the
window. No functional change intended.
Link: https://lore.kernel.org/r/PSXP216MB043853617ECA4118C472A417803C0@PSXP216MB0438.KORP216.PROD.OUTLOOK.COM
Signed-off-by: Nicholas Johnson <nicholas.johnson-opensource@outlook.com.au>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Change pci_bus_distribute_available_resources() to better handle bridges
with different resource alignment requirements.
The arguments io, mmio and mmio_pref represent the start and end
addresses of resource, into which we must fit the current bridge window.
The steps taken by pci_bus_distribute_available_resources():
- For io, mmio and mmio_pref, increase .start to align with the alignment
of the current bridge window (otherwise the current bridge window may
not fit within the available range).
- For io, mmio and mmio_pref, adjust the current bridge window to the
size after the above.
- Count the number of hotplug bridges and normal bridges on this bus.
- If the total number of bridges is one, give that bridge all of the
resources and return.
- If there are no hotplug bridges, return.
- For io, mmio and mmio_pref, increase .start by the amount required for
each bridge resource on the bus for non hotplug bridges, giving extra
room to make up for alignment of those resources.
- For io, mmio and mmio_pref, calculate the resource size per hotplug
bridge which is available after the previous steps.
- For io, mmio and mmio_pref, distribute the resources to each hotplug
bridge, with the sizes calculated above.
The motivation for fixing this is enabling devices that require greater
than 1MB alignment. This fixes the case where the user hot-adds devices
with BAR alignment >1MB and Linux fails to assign resources to it.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=199581
Link: https://lore.kernel.org/r/PSXP216MB0438C2BFD0FD3691ED9C83F4803C0@PSXP216MB0438.KORP216.PROD.OUTLOOK.COM
Reported-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Nicholas Johnson <nicholas.johnson-opensource@outlook.com.au>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
In pci_bus_distribute_available_resources(), use resource_size() rather
than the local available_io, etc. No functional change intended; this just
makes the preceding patch smaller.
[bhelgaas: extracted from https://lore.kernel.org/r/PSXP216MB0438587C47CBEDF365B1EA27803C0@PSXP216MB0438.KORP216.PROD.OUTLOOK.COM]
Signed-off-by: Nicholas Johnson <nicholas.johnson-opensource@outlook.com.au>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Change pci_bus_distribute_available_resources() arguments from
resource_size_t to struct resource to add more information required to get
the alignment correct for bridge windows with alignment >1M.
We require (size, alignment), instead of just (size) which is what is
currently available. The change from resource_size_t to struct resource
does just that.
Note that the struct resource arguments are passed by value and not by
reference. We do not want to pass by reference and change the resource size
of the parent bridge window. We only want the size information.
No functional change intended.
Link: https://lore.kernel.org/r/PSXP216MB0438587C47CBEDF365B1EA27803C0@PSXP216MB0438.KORP216.PROD.OUTLOOK.COM
[bhelgaas: split parts to other patches to reduce the size of this one]
Signed-off-by: Nicholas Johnson <nicholas.johnson-opensource@outlook.com.au>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
In pci_bus_distribute_available_resources(), rename:
io => io_per_hp
mmio => mmio_per_hp
mmio_pref => mmio_pref_per_hp
No functional change; this is just to make a subsequent patch smaller.
[bhelgaas: extracted from https://lore.kernel.org/r/PSXP216MB0438587C47CBEDF365B1EA27803C0@PSXP216MB0438.KORP216.PROD.OUTLOOK.COM]
Signed-off-by: Nicholas Johnson <nicholas.johnson-opensource@outlook.com.au>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Previously we did not call INIT_KFIFO() for aer_fifo. This leads to
kfifo_put() sometimes returning 0 (queue full) when in fact it is not.
It is easy to reproduce the problem by using aer-inject:
$ aer-inject -s :82:00.0 multiple-corr-nonfatal
The content of the multiple-corr-nonfatal file is as below:
AER
COR RCVR
HL 0 1 2 3
AER
UNCOR POISON_TLP
HL 4 5 6 7
Fixes: 27c1ce8bbe ("PCI/AER: Use kfifo for tracking events instead of reimplementing it")
Link: https://lore.kernel.org/r/1579767991-103898-1-git-send-email-liudongdong3@huawei.com
Signed-off-by: Dongdong Liu <liudongdong3@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Define dev_fmt() with the common prefix of log messages so we don't have to
repeat it in every printk. No functional change intended.
Link: https://lore.kernel.org/r/20191213225709.GA213811@google.com
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
PCI error recovery will fail if any device under the Root Port doesn't have
an error_detected callback. Currently only the failure result is printed,
which is not enough to identify the driver that lacks the callback.
Log a message to identify the device with no error_detected callback.
[bhelgaas: tweak log message]
Link: https://lore.kernel.org/r/1576237474-32021-1-git-send-email-yangyicong@hisilicon.com
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Now that Gen4 is properly supported, advertise support in the module's
device ID table and add the same IDs to the list of switchtec quirks.
[logang@deltatee.com: add commit message and quirk IDs]
Link: https://lore.kernel.org/r/20200115035648.2578-8-logang@deltatee.com
Signed-off-by: Kelvin Cao <kelvin.cao@microchip.com>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Gen4 hardware provides new MRPC commands to read and write directly from
any address in the PCI BAR (which Microsemi refers to as GAS). Since
accessing BARs can be dangerous and break the driver, we don't want
unprivileged users to have this ability.
Therefore, require CAP_SYS_ADMIN for the local and remote GAS access MRPC
commands. Privileged processes will already have access to the BAR through
the sysfs resource file so this doesn't give userspace any capabilities it
didn't already have.
[logang@deltatee.com: rework commit message]
Link: https://lore.kernel.org/r/20200106190337.2428-11-logang@deltatee.com
Signed-off-by: Kelvin Cao <kelvin.cao@microchip.com>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Add the new flash_info registers struct and the implementation of
ioctl_flash_part_info() for the new Gen4 hardware.
[logang@deltatee.com: rewrote commit message]
Link: https://lore.kernel.org/r/20200115035648.2578-7-logang@deltatee.com
Signed-off-by: Kelvin Cao <kelvin.cao@microchip.com>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Add the Gen4-specific system info registers and ensure their usage is
guarded by a check on the device's generation.
Link: https://lore.kernel.org/r/20200115035648.2578-6-logang@deltatee.com
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Since the sys_info and flash_info registers differ significantly in Gen4
hardware, separate out the Gen3 registers into their own structure with a
union in the main structure.
No functional changes intended.
Link: https://lore.kernel.org/r/20200115035648.2578-5-logang@deltatee.com
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Refactor ioctl_flash_part_info() into a Gen3-specific function because the
registers for flash partition information have changed significantly in
Gen4 and will require a completely different implementation.
No functional changes intended.
Co-developed-by: Kelvin Cao <kelvin.cao@microchip.com>
Link: https://lore.kernel.org/r/20200115035648.2578-4-logang@deltatee.com
Signed-off-by: Kelvin Cao <kelvin.cao@microchip.com>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Add a generation variable passed through the device ID table and test for
Gen3-specific registers. This will allow us to add Gen4 and other devices
that extend the programming model.
Link: https://lore.kernel.org/r/20200115035648.2578-3-logang@deltatee.com
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Gen4 hardware will have different values for the SWITCHTEC_X_RUNNING and
SWITCHTEC_IOCTL_NUM_PARTITIONS, so rename them with GEN3 in their name.
No functional changes intended.
Link: https://lore.kernel.org/r/20200115035648.2578-2-logang@deltatee.com
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
The event ID check doesn't depend on anything in the mask_all_events() to
mask_event() path. Do it in switchtec_event_isr() to avoid the CSR read in
mask_event().
Link: https://lore.kernel.org/r/20200106190337.2428-6-logang@deltatee.com
Signed-off-by: Wesley Sheng <wesley.sheng@microchip.com>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Add support for the Inter Fabric Manager Communication (Intercomm) Notify
event in PAX variants of Switchtec hardware and the Upstream Error
Containment port in the MR1 release of Gen3 firmware.
Link: https://lore.kernel.org/r/20200106190337.2428-4-logang@deltatee.com
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
When resuming from hibernation (S4, also known as "suspend to disk") on a
VM, we have seen invalid config space, e.g.,
serial 0000:00:16.3: restoring config space at offset 0x14 (was 0x9104e000, writing 0xffffffff)
To help debug problems like this, log the config space being saved before
suspend, similar to the log in pci_restore_config_dword() when resuming.
Link: https://lore.kernel.org/r/20200113060724.19571-1-yu.c.chen@intel.com
[bhelgaas: commit log]
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Len Brown <lenb@kernel.org>
Some PCI bridges implement BARs in addition to bridge windows. For
example, here's a PLX switch:
04:00.0 PCI bridge: PLX Technology, Inc. PEX 8724 24-Lane, 6-Port PCI
Express Gen 3 (8 GT/s) Switch, 19 x 19mm FCBGA (rev ca)
(prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 30, NUMA node 0
Memory at 90a00000 (32-bit, non-prefetchable) [size=256K]
Bus: primary=04, secondary=05, subordinate=0a, sec-latency=0
I/O behind bridge: 00002000-00003fff
Memory behind bridge: 90000000-909fffff
Prefetchable memory behind bridge: 0000380000800000-0000380000bfffff
Previously, when the kernel assigned resource addresses (with the
pci=realloc command line parameter, for example) it could clear the struct
resource corresponding to the BAR. When this happened, lspci would report
this BAR as "ignored":
Region 0: Memory at <ignored> (32-bit, non-prefetchable) [size=256K]
This is because the kernel reports a zero start address and zero flags
in the corresponding sysfs resource file and in /proc/bus/pci/devices.
Investigation with 'lspci -x', however, shows the BIOS-assigned address
will still be programmed in the device's BAR registers.
It's clearly a bug that the kernel lost track of the BAR value, but in most
cases, this still won't result in a visible issue because nothing uses the
memory, so nothing is affected. However, when an IOMMU is in use, it will
not reserve this space in the IOVA because the kernel no longer thinks the
range is valid. (See dmar_init_reserved_ranges() for the Intel
implementation of this.)
Without the proper reserved range, a DMA mapping may allocate an IOVA that
matches a bridge BAR, which results in DMA accesses going to the BAR
instead of the intended RAM.
The problem was in pci_assign_unassigned_root_bus_resources(). When any
resource from a bridge device fails to get assigned, the code set the
resource's flags to zero. This makes sense for bridge windows, as they
will be re-enabled later, but for regular BARs, it makes the kernel
permanently lose track of the fact that they decode address space.
Change pci_assign_unassigned_root_bus_resources() and
pci_assign_unassigned_bridge_resources() so they only clear "res->flags"
for bridge *windows*, not bridge BARs.
Fixes: da7822e5ad ("PCI: update bridge resources to get more big ranges when allocating space (again)")
Link: https://lore.kernel.org/r/20200108213208.4612-1-logang@deltatee.com
[bhelgaas: commit log, check for pci_is_bridge()]
Reported-by: Kit Chow <kchow@gigaio.com>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
vep_vector_number is actually a 16 bit register which should be read with
ioread16() instead of ioread32().
Fixes: 080b47def5 ("MicroSemi Switchtec management interface driver")
Link: https://lore.kernel.org/r/20200106190337.2428-3-logang@deltatee.com
Reported-by: Doug Meyer <dmeyer@gigaio.com>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Use dma_set_mask_and_coherent() instead of dma_set_coherent_mask() as the
Switchtec hardware fully supports 64bit addressing and we should set both
the streaming and coherent masks the same.
[logang@deltatee.com: reworked commit message]
Fixes: aff614c633 ("switchtec: Set DMA coherent mask")
Link: https://lore.kernel.org/r/20200106190337.2428-2-logang@deltatee.com
Signed-off-by: Wesley Sheng <wesley.sheng@microchip.com>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Documentation/PCI/msi-howto.rst referred to pci_irq_alloc_vectors() when it
should refer to pci_alloc_irq_vectors(). Fix the typo.
Link: https://lore.kernel.org/r/20191230131428.1200-1-yuzenghui@huawei.com
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Andrew Murray <andrew.murray@arm.com>
On Asus UX434DA (AMD Ryzen7 3700U) and Asus X512DK (AMD Ryzen5 3500U), the
XHCI controller fails to resume from runtime suspend or s2idle, and USB
becomes unusable from that point.
xhci_hcd 0000:03:00.4: Refused to change power state, currently in D3
xhci_hcd 0000:03:00.4: enabling device (0000 -> 0002)
xhci_hcd 0000:03:00.4: WARN: xHC restore state timeout
xhci_hcd 0000:03:00.4: PCI post-resume error -110!
xhci_hcd 0000:03:00.4: HC died; cleaning up
During suspend, a transition to D3cold is attempted, however the affected
platforms do not seem to cut the power to the PCI device when in this
state, so the device stays in D3hot.
Upon resume, the D3hot-to-D0 transition is successful only if the D3 delay
is increased to 20ms. The transition failure does not appear to be
detectable as a CRS condition. Add a PCI quirk to increase the delay on the
affected hardware.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=205587
Link: http://lkml.kernel.org/r/CAD8Lp47Vh69gQjROYG69=waJgL7hs1PwnLonL9+27S_TcRhixA@mail.gmail.com
Link: https://lore.kernel.org/r/20191127053836.31624-2-drake@endlessm.com
Signed-off-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Separate the D3 delay increase functionality out of quirk_radeon_pm() into
its own function so that it can be shared with other quirks, including the
AMD Ryzen XHCI quirk that will be introduced in a followup commit.
Tweak the function name and message to indicate more clearly that the delay
relates to a D3hot-to-D0 transition.
Link: https://lore.kernel.org/r/20191127053836.31624-1-drake@endlessm.com
Signed-off-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Previously quirk_paxc_bridge() was applied when the iproc driver was
built-in, but not when it was compiled as a module.
This happened because it was under #ifdef CONFIG_PCIE_IPROC_PLATFORM:
PCIE_IPROC_PLATFORM=y causes CONFIG_PCIE_IPROC_PLATFORM to be defined, but
PCIE_IPROC_PLATFORM=m causes CONFIG_PCIE_IPROC_PLATFORM_MODULE to be
defined.
Move quirk_paxc_bridge() to pcie-iproc.c and drop the #ifdef so the quirk
is always applied, whether iproc is built-in or a module.
[bhelgaas: commit log, move to pcie-iproc.c, not pcie-iproc-platform.c]
Link: https://lore.kernel.org/r/20191211174511.89713-1-wei.liu@kernel.org
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Intel SkyLake-E was successfully tested for p2pdma transactions spanning
over a host bridge and PCI bridge with IOMMU on. Add it to the whitelist.
Link: https://lore.kernel.org/r/1575669165-31697-1-git-send-email-abaloyan@gigaio.com
Signed-off-by: Armen Baloyan <abaloyan@gigaio.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Pull networking fixes from David Miller:
1) More jumbo frame fixes in r8169, from Heiner Kallweit.
2) Fix bpf build in minimal configuration, from Alexei Starovoitov.
3) Use after free in slcan driver, from Jouni Hogander.
4) Flower classifier port ranges don't work properly in the HW offload
case, from Yoshiki Komachi.
5) Use after free in hns3_nic_maybe_stop_tx(), from Yunsheng Lin.
6) Out of bounds access in mqprio_dump(), from Vladyslav Tarasiuk.
7) Fix flow dissection in dsa TX path, from Alexander Lobakin.
8) Stale syncookie timestampe fixes from Guillaume Nault.
[ Did an evil merge to silence a warning introduced by this pull - Linus ]
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (84 commits)
r8169: fix rtl_hw_jumbo_disable for RTL8168evl
net_sched: validate TCA_KIND attribute in tc_chain_tmplt_add()
r8169: add missing RX enabling for WoL on RTL8125
vhost/vsock: accept only packets with the right dst_cid
net: phy: dp83867: fix hfs boot in rgmii mode
net: ethernet: ti: cpsw: fix extra rx interrupt
inet: protect against too small mtu values.
gre: refetch erspan header from skb->data after pskb_may_pull()
pppoe: remove redundant BUG_ON() check in pppoe_pernet
tcp: Protect accesses to .ts_recent_stamp with {READ,WRITE}_ONCE()
tcp: tighten acceptance of ACKs not matching a child socket
tcp: fix rejected syncookies due to stale timestamps
lpc_eth: kernel BUG on remove
tcp: md5: fix potential overestimation of TCP option space
net: sched: allow indirect blocks to bind to clsact in TC
net: core: rename indirect block ingress cb function
net-sysfs: Call dev_hold always in netdev_queue_add_kobject
net: dsa: fix flow dissection on Tx path
net/tls: Fix return values to avoid ENOTSUPP
net: avoid an indirect call in ____sys_recvmsg()
...
11 patches, all in drivers (no core changes) that are either minor
cleanups or small fixes. They were late arriving, but still safe for
-rc1.
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 more SCSI updates from James Bottomley:
"Eleven patches, all in drivers (no core changes) that are either minor
cleanups or small fixes.
They were late arriving, but still safe for -rc1"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: MAINTAINERS: Add the linux-scsi mailing list to the ISCSI entry
scsi: megaraid_sas: Make poll_aen_lock static
scsi: sd_zbc: Improve report zones error printout
scsi: qla2xxx: Fix qla2x00_request_irqs() for MSI
scsi: qla2xxx: unregister ports after GPN_FT failure
scsi: qla2xxx: fix rports not being mark as lost in sync fabric scan
scsi: pm80xx: Remove unused include of linux/version.h
scsi: pm80xx: fix logic to break out of loop when register value is 2 or 3
scsi: scsi_transport_sas: Fix memory leak when removing devices
scsi: lpfc: size cpu map by last cpu id set
scsi: ibmvscsi_tgt: Remove unneeded variable rc
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Merge tag '5.5-rc-smb3-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"Nine cifs/smb3 fixes:
- one fix for stable (oops during oplock break)
- two timestamp fixes including important one for updating mtime at
close to avoid stale metadata caching issue on dirty files (also
improves perf by using SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB over the
wire)
- two fixes for "modefromsid" mount option for file create (now
allows mode bits to be set more atomically and accurately on create
by adding "sd_context" on create when modefromsid specified on
mount)
- two fixes for multichannel found in testing this week against
different servers
- two small cleanup patches"
* tag '5.5-rc-smb3-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6:
smb3: improve check for when we send the security descriptor context on create
smb3: fix mode passed in on create for modetosid mount option
cifs: fix possible uninitialized access and race on iface_list
cifs: Fix lookup of SMB connections on multichannel
smb3: query attributes on file close
smb3: remove unused flag passed into close functions
cifs: remove redundant assignment to pointer pneg_ctxt
fs: cifs: Fix atime update check vs mtime
CIFS: Fix NULL-pointer dereference in smb2_push_mandatory_locks
Pull misc vfs cleanups from Al Viro:
"No common topic, just three cleanups".
* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
make __d_alloc() static
fs/namespace: add __user to open_tree and move_mount syscalls
fs/fnctl: fix missing __user in fcntl_rw_hint()
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Merge tag 'ntb-5.5' of git://github.com/jonmason/ntb
Pull NTB update from Jon Mason:
"Just a simple patch to add a new Hygon Device ID to the AMD NTB device
driver"
* tag 'ntb-5.5' of git://github.com/jonmason/ntb:
NTB: Add Hygon Device ID
Pull more input updates from Dmitry Torokhov:
- fixups for Synaptics RMI4 driver
- a quirk for Goodinx touchscreen on Teclast tablet
- a new keycode definition for activating privacy screen feature found
on a few "enterprise" laptops
- updates to snvs_pwrkey driver
- polling uinput device for writing (which is always allowed) now works
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: synaptics-rmi4 - don't increment rmiaddr for SMBus transfers
Input: synaptics-rmi4 - re-enable IRQs in f34v7_do_reflash
Input: goodix - add upside-down quirk for Teclast X89 tablet
Input: add privacy screen toggle keycode
Input: uinput - fix returning EPOLLOUT from uinput_poll
Input: snvs_pwrkey - remove gratuitous NULL initializers
Input: snvs_pwrkey - send key events for i.MX6 S, DL and Q
- Fix a UAF when reporting writeback errors
- Fix a race condition when handling page uptodate on a blocksize <
pagesize file that is also fragmented
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Merge tag 'iomap-5.5-merge-14' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull iomap fixes from Darrick Wong:
"Fix a race condition and a use-after-free error:
- Fix a UAF when reporting writeback errors
- Fix a race condition when handling page uptodate on fragmented file
with blocksize < pagesize"
* tag 'iomap-5.5-merge-14' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
iomap: stop using ioend after it's been freed in iomap_finish_ioend()
iomap: fix sub-page uptodate handling
- Fix a crash in the log setup code when log mounting fails
- Fix a hang when allocating space on the realtime device
- Fix a block leak when freeing space on the realtime device
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Merge tag 'xfs-5.5-merge-17' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Darrick Wong:
"Fix a couple of resource management errors and a hang:
- fix a crash in the log setup code when log mounting fails
- fix a hang when allocating space on the realtime device
- fix a block leak when freeing space on the realtime device"
* tag 'xfs-5.5-merge-17' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: fix mount failure crash on invalid iclog memory access
xfs: don't check for AG deadlock for realtime files in bunmapi
xfs: fix realtime file data space leak
Orangefs has no open, and orangefs checks file permissions
on each file access. Posix requires that file permissions
be checked on open and nowhere else. Orangefs-through-the-kernel
needs to seem posix compliant.
The VFS opens files, even if the filesystem provides no
method. We can see if a file was successfully opened for
read and or for write by looking at file->f_mode.
When writes are flowing from the page cache, file is no
longer available. We can trust the VFS to have checked
file->f_mode before writing to the page cache.
The mode of a file might change between when it is opened
and IO commences, or it might be created with an arbitrary mode.
We'll make sure we don't hit EACCES during the IO stage by
using UID 0.
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Merge tag 'for-linus-5.5-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux
Pull orangefs update from Mike Marshall:
"orangefs: posix open permission checking...
Orangefs has no open, and orangefs checks file permissions on each
file access. Posix requires that file permissions be checked on open
and nowhere else. Orangefs-through-the-kernel needs to seem posix
compliant.
The VFS opens files, even if the filesystem provides no method. We can
see if a file was successfully opened for read and or for write by
looking at file->f_mode.
When writes are flowing from the page cache, file is no longer
available. We can trust the VFS to have checked file->f_mode before
writing to the page cache.
The mode of a file might change between when it is opened and IO
commences, or it might be created with an arbitrary mode.
We'll make sure we don't hit EACCES during the IO stage by using
UID 0"
[ This is "posixish", but not a great solution in the long run, since a
proper secure network server shouldn't really trust the client like this.
But proper and secure POSIX behavior requires an open method and a
resulting cookie for IO of some kind, or similar. - Linus ]
* tag 'for-linus-5.5-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
orangefs: posix open permission checking...
Possibly most interesting is Trond's fixes for some callback races that
were due to my incomplete understanding of rpc client shutdown.
Unfortunately at the last minute I've started noticing a new
intermittent failure to send callbacks. As the logic seems basically
correct, I'm leaving Trond's patches in for now, and hope to find a fix
in the next week so I don't have to revert those patches.
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Merge tag 'nfsd-5.5' of git://linux-nfs.org/~bfields/linux
Pull nfsd updates from Bruce Fields:
"This is a relatively quiet cycle for nfsd, mainly various bugfixes.
Possibly most interesting is Trond's fixes for some callback races
that were due to my incomplete understanding of rpc client shutdown.
Unfortunately at the last minute I've started noticing a new
intermittent failure to send callbacks. As the logic seems basically
correct, I'm leaving Trond's patches in for now, and hope to find a
fix in the next week so I don't have to revert those patches"
* tag 'nfsd-5.5' of git://linux-nfs.org/~bfields/linux: (24 commits)
nfsd: depend on CRYPTO_MD5 for legacy client tracking
NFSD fixing possible null pointer derefering in copy offload
nfsd: check for EBUSY from vfs_rmdir/vfs_unink.
nfsd: Ensure CLONE persists data and metadata changes to the target file
SUNRPC: Fix backchannel latency metrics
nfsd: restore NFSv3 ACL support
nfsd: v4 support requires CRYPTO_SHA256
nfsd: Fix cld_net->cn_tfm initialization
lockd: remove __KERNEL__ ifdefs
sunrpc: remove __KERNEL__ ifdefs
race in exportfs_decode_fh()
nfsd: Drop LIST_HEAD where the variable it declares is never used.
nfsd: document callback_wq serialization of callback code
nfsd: mark cb path down on unknown errors
nfsd: Fix races between nfsd4_cb_release() and nfsd4_shutdown_callback()
nfsd: minor 4.1 callback cleanup
SUNRPC: Fix svcauth_gss_proxy_init()
SUNRPC: Trace gssproxy upcall results
sunrpc: fix crash when cache_head become valid before update
nfsd: remove private bin2hex implementation
...
Highlights include:
Features:
- NFSv4.2 now supports cross device offloaded copy (i.e. offloaded copy
of a file from one source server to a different target server).
- New RDMA tracepoints for debugging congestion control and Local Invalidate
WRs.
Bugfixes and cleanups
- Drop the NFSv4.1 session slot if nfs4_delegreturn_prepare waits for
layoutreturn
- Handle bad/dead sessions correctly in nfs41_sequence_process()
- Various bugfixes to the delegation return operation.
- Various bugfixes pertaining to delegations that have been revoked.
- Cleanups to the NFS timespec code to avoid unnecessary conversions
between timespec and timespec64.
- Fix unstable RDMA connections after a reconnect
- Close race between waking an RDMA sender and posting a receive
- Wake pending RDMA tasks if connection fails
- Fix MR list corruption, and clean up MR usage
- Fix another RPCSEC_GSS issue with MIC buffer space
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Merge tag 'nfs-for-5.5-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client updates from Trond Myklebust:
"Highlights include:
Features:
- NFSv4.2 now supports cross device offloaded copy (i.e. offloaded
copy of a file from one source server to a different target
server).
- New RDMA tracepoints for debugging congestion control and Local
Invalidate WRs.
Bugfixes and cleanups
- Drop the NFSv4.1 session slot if nfs4_delegreturn_prepare waits for
layoutreturn
- Handle bad/dead sessions correctly in nfs41_sequence_process()
- Various bugfixes to the delegation return operation.
- Various bugfixes pertaining to delegations that have been revoked.
- Cleanups to the NFS timespec code to avoid unnecessary conversions
between timespec and timespec64.
- Fix unstable RDMA connections after a reconnect
- Close race between waking an RDMA sender and posting a receive
- Wake pending RDMA tasks if connection fails
- Fix MR list corruption, and clean up MR usage
- Fix another RPCSEC_GSS issue with MIC buffer space"
* tag 'nfs-for-5.5-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (79 commits)
SUNRPC: Capture completion of all RPC tasks
SUNRPC: Fix another issue with MIC buffer space
NFS4: Trace lock reclaims
NFS4: Trace state recovery operation
NFSv4.2 fix memory leak in nfs42_ssc_open
NFSv4.2 fix kfree in __nfs42_copy_file_range
NFS: remove duplicated include from nfs4file.c
NFSv4: Make _nfs42_proc_copy_notify() static
NFS: Fallocate should use the nfs4_fattr_bitmap
NFS: Return -ETXTBSY when attempting to write to a swapfile
fs: nfs: sysfs: Remove NULL check before kfree
NFS: remove unneeded semicolon
NFSv4: add declaration of current_stateid
NFSv4.x: Drop the slot if nfs4_delegreturn_prepare waits for layoutreturn
NFSv4.x: Handle bad/dead sessions correctly in nfs41_sequence_process()
nfsv4: Move NFSPROC4_CLNT_COPY_NOTIFY to end of list
SUNRPC: Avoid RPC delays when exiting suspend
NFS: Add a tracepoint in nfs_fh_to_dentry()
NFSv4: Don't retry the GETATTR on old stateid in nfs4_delegreturn_done()
NFSv4: Handle NFS4ERR_OLD_STATEID in delegreturn
...
