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authorKeith Busch <keith.busch@intel.com>2016-09-13 09:05:40 -0600
committerBjorn Helgaas <bhelgaas@google.com>2016-09-23 08:41:08 -0500
commit3161832d58c7f3bf8b190a2887086be0932d8dd3 (patch)
tree2d310a553c2c47d16dd32d275324f669168a4836 /drivers/pci/hotplug
parent576243b3f9eaa47ab568ac49574b3a095c2365f1 (diff)
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x86/PCI: VMD: Request userspace control of PCIe hotplug indicators
Add set_dev_domain_options() to set PCI domain-specific options as devices are added. The first usage is to request exclusive userspace control of PCIe hotplug indicators in VMD domains. Devices in a VMD domain use PCIe hotplug Attention and Power Indicators in a non-standard way; tell pciehp to ignore the indicators so userspace can control them via the sysfs "attention" file. To determine whether a bus is within a VMD domain, add a bool to the pci_sysdata structure that the VMD driver sets during initialization. [bhelgaas: changelog] Requested-by: Kapil Karkra <kapil.karkra@intel.com> Tested-by: Artur Paszkiewicz <artur.paszkiewicz@intel.com> Signed-off-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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