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946d619fa2
linux/drivers/pci
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Marc Zyngier 946d619fa2 iommu/dart: Exclude MSI doorbell from PCIe device IOVA range 
The MSI doorbell on Apple HW can be any address in the low 4GB range.
However, the MSI write is matched by the PCIe block before hitting the
iommu. It must thus be excluded from the IOVA range that is assigned to any
PCIe device.

Link: https://lore.kernel.org/r/20210929163847.2807812-9-maz@kernel.org
Tested-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Sven Peter <sven@svenpeter.dev>
2021-11-04 16:29:30 -05:00
..
controller iommu/dart: Exclude MSI doorbell from PCIe device IOVA range 2021-11-04 16:29:30 -05:00
endpoint pci-v5.15-changes 2021-09-07 19:13:42 -07:00
hotplug Merge branch 'pci/reset' 2021-09-02 14:56:42 -05:00
pcie pci-v5.15-changes 2021-09-07 19:13:42 -07:00
switch PCI/sysfs: Use sysfs_emit() and sysfs_emit_at() in "show" functions 2021-06-03 22:14:47 -05:00
access.c Merge branch 'pci/misc' 2020-08-05 18:24:16 -05:00
ats.c PCI: Allow PASID on fake PCIe devices without TLP prefixes 2021-08-26 14:21:42 -05:00
bus.c PCI: Add device even if driver attach failed 2020-07-07 17:33:41 -05:00
ecam.c PCI: Dynamically map ECAM regions 2021-06-16 17:20:40 -05:00
host-bridge.c PCI: VMD: ACPI: Make ACPI companion lookup work for VMD bus 2021-09-02 17:59:58 +02:00
iov.c Merge branch 'pci/virtualization' 2021-07-06 10:56:26 -05:00
irq.c PCI: Remove unused pci_lost_interrupt() 2020-07-29 14:25:18 -05:00
Kconfig pci-v5.10-changes 2020-10-22 12:41:00 -07:00
Makefile PCI: Apply CONFIG_PCI_DEBUG to entire drivers/pci hierarchy 2021-02-09 15:10:20 -06:00
mmap.c
msi.c Updates to the interrupt core and driver subsystems: 2021-08-30 14:38:37 -07:00
of.c PCI: of: Allow matching of an interrupt-map local to a PCI device 2021-11-04 14:16:56 -05:00
p2pdma.c Merge branch 'pci/sysfs' 2021-07-06 10:56:25 -05:00
pci-acpi.c PCI/ACPI: Don't reset a fwnode set by OF 2021-09-15 16:26:59 -05:00
pci-bridge-emul.c PCI: pci-bridge-emul: Fix array overruns, improve safety 2021-02-17 17:25:31 -06:00
pci-bridge-emul.h PCI: pci-bridge-emul: Add PCIe Root Capabilities Register 2021-08-05 10:51:49 +01:00
pci-driver.c VFIO update for v5.15-rc1 2021-09-02 13:41:33 -07:00
pci-label.c PCI/sysfs: Use sysfs_emit() and sysfs_emit_at() in "show" functions 2021-06-03 22:14:47 -05:00
pci-mid.c
pci-pf-stub.c PCI/IOV: Simplify pci-pf-stub with module_pci_driver() 2020-09-17 12:40:20 -05:00
pci-stub.c
pci-sysfs.c pci-v5.15-changes 2021-09-07 19:13:42 -07:00
pci.c pci-v5.15-changes 2021-09-07 19:13:42 -07:00
pci.h pci-v5.15-changes 2021-09-07 19:13:42 -07:00
probe.c Merge branch 'remotes/lorenzo/pci/hyper-v' 2021-09-02 14:56:47 -05:00
proc.c pci-v5.15-changes 2021-09-07 19:13:42 -07:00
quirks.c PCI: Add AMD GPU multi-function power dependencies 2021-09-15 16:31:41 -05:00
remove.c PCI: Remove reset_fn field from pci_dev 2021-08-17 17:44:38 -05:00
rom.c
search.c PCI: Remove WARN_ON(in_interrupt()) 2021-02-10 16:46:29 -06:00
setup-bus.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
setup-irq.c
setup-res.c PCI: Decline to resize resources if boot config must be preserved 2021-01-12 16:39:52 -06:00
slot.c PCI/sysfs: Use sysfs_emit() and sysfs_emit_at() in "show" functions 2021-06-03 22:14:47 -05:00
syscall.c PCI: Return int from pciconfig_read() syscall 2021-08-03 16:55:48 -05:00
vc.c PCI: Fix kerneldoc warnings 2020-08-05 18:23:14 -05:00
vpd.c PCI/VPD: Defer VPD sizing until first access 2021-09-15 16:26:13 -05:00
xen-pcifront.c Merge branch 'stable/for-linus-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb 2021-09-03 10:34:44 -07:00