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authorLinus Torvalds <torvalds@linux-foundation.org>2021-07-03 11:49:33 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-07-03 11:49:33 -0700
commit8e8d9442d1139d05d0c3b83efa34c4b7693d2969 (patch)
tree33af777d1e177b0f950a406ae7c8a2dac2147dbc /include/linux/pci.h
parent58ec9059b396a570b208239b4edc45eeb68b14c4 (diff)
parent6a45ece4c9af473555f01f0f8b97eba56e3c7d0d (diff)
Merge tag 'vfio-v5.14-rc1' of git://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson: - Module reference fixes, structure renaming (Max Gurtovoy) - Export and use common pci_dev_trylock() (Luis Chamberlain) - Enable direct mdev device creation and probing by parent (Christoph Hellwig & Jason Gunthorpe) - Fix mdpy error path leak (Colin Ian King) - Fix mtty list entry leak (Jason Gunthorpe) - Enforce mtty device limit (Alex Williamson) - Resolve concurrent vfio-pci mmap faults (Alex Williamson) * tag 'vfio-v5.14-rc1' of git://github.com/awilliam/linux-vfio: vfio/pci: Handle concurrent vma faults vfio/mtty: Enforce available_instances vfio/mtty: Delete mdev_devices_list vfio: use the new pci_dev_trylock() helper to simplify try lock PCI: Export pci_dev_trylock() and pci_dev_unlock() vfio/mdpy: Fix memory leak of object mdev_state->vconfig vfio/iommu_type1: rename vfio_group struck to vfio_iommu_group vfio/mbochs: Convert to use vfio_register_group_dev() vfio/mdpy: Convert to use vfio_register_group_dev() vfio/mtty: Convert to use vfio_register_group_dev() vfio/mdev: Allow the mdev_parent_ops to specify the device driver to bind vfio/mdev: Remove CONFIG_VFIO_MDEV_DEVICE driver core: Export device_driver_attach() driver core: Don't return EPROBE_DEFER to userspace during sysfs bind driver core: Flow the return code from ->probe() through to sysfs bind driver core: Better distinguish probe errors in really_probe driver core: Pull required checks into driver_probe_device() vfio/platform: remove unneeded parent_module attribute vfio: centralize module refcount in subsystem layer
Diffstat (limited to 'include/linux/pci.h')
-rw-r--r--include/linux/pci.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index b4db4a269d86..eb45078abc3a 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1624,6 +1624,9 @@ void pci_cfg_access_lock(struct pci_dev *dev);
bool pci_cfg_access_trylock(struct pci_dev *dev);
void pci_cfg_access_unlock(struct pci_dev *dev);
+int pci_dev_trylock(struct pci_dev *dev);
+void pci_dev_unlock(struct pci_dev *dev);
+
/*
* PCI domain support. Sometimes called PCI segment (eg by ACPI),
* a PCI domain is defined to be a set of PCI buses which share