diff options
| author |   Jason Gunthorpe <jgg@nvidia.com> | 2022-09-22 16:20:26 -0300 |
|---|---|---|
| committer |   Alex Williamson <alex.williamson@redhat.com> | 2022-09-22 15:46:06 -0600 |
| commit | cdc71fe4ecbf48f7292ae8b7e4ff4a2a8b5bdbca (patch) | |
| tree | 17dbba63cf3d1277fe1f341294ca6bcc521cc099 /drivers/vfio/vfio.h | |
| parent | vfio: Split the register_device ops call into functions (diff) | |
| download | linux-dev-cdc71fe4ecbf48f7292ae8b7e4ff4a2a8b5bdbca.tar.xz linux-dev-cdc71fe4ecbf48f7292ae8b7e4ff4a2a8b5bdbca.zip | |
vfio: Move container code into drivers/vfio/container.c
All the functions that dereference struct vfio_container are moved into
container.c.
Simple code motion, no functional change.
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/8-v3-297af71838d2+b9-vfio_container_split_jgg@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/vfio/vfio.h')
| -rw-r--r-- | drivers/vfio/vfio.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/vfio/vfio.h b/drivers/vfio/vfio.h index 093784f1dea7..56fab31f8e0f 100644 --- a/drivers/vfio/vfio.h +++ b/drivers/vfio/vfio.h @@ -11,6 +11,8 @@ #include <linux/module.h> struct iommu_group; +struct vfio_device; +struct vfio_container; enum vfio_group_type { /* @@ -36,6 +38,24 @@ enum vfio_group_type { VFIO_NO_IOMMU, }; +struct vfio_group { + struct device dev; + struct cdev cdev; + refcount_t users; + unsigned int container_users; + struct iommu_group *iommu_group; + struct vfio_container *container; + struct list_head device_list; + struct mutex device_lock; + struct list_head vfio_next; + struct list_head container_next; + enum vfio_group_type type; + struct rw_semaphore group_rwsem; + struct kvm *kvm; + struct file *opened_file; + struct blocking_notifier_head notifier; +}; + /* events for the backend driver notify callback */ enum vfio_iommu_notify_type { VFIO_IOMMU_CONTAINER_CLOSE = 0, @@ -75,7 +95,33 @@ struct vfio_iommu_driver_ops { enum vfio_iommu_notify_type event); }; +struct vfio_iommu_driver { + const struct vfio_iommu_driver_ops *ops; + struct list_head vfio_next; +}; + int vfio_register_iommu_driver(const struct vfio_iommu_driver_ops *ops); void vfio_unregister_iommu_driver(const struct vfio_iommu_driver_ops *ops); +bool vfio_assert_device_open(struct vfio_device *device); + +struct vfio_container *vfio_container_from_file(struct file *filep); +int vfio_device_assign_container(struct vfio_device *device); +void vfio_device_unassign_container(struct vfio_device *device); +int vfio_container_attach_group(struct vfio_container *container, + struct vfio_group *group); +void vfio_group_detach_container(struct vfio_group *group); +void vfio_device_container_register(struct vfio_device *device); +void vfio_device_container_unregister(struct vfio_device *device); +long vfio_container_ioctl_check_extension(struct vfio_container *container, + unsigned long arg); +int __init vfio_container_init(void); +void vfio_container_cleanup(void); + +#ifdef CONFIG_VFIO_NOIOMMU +extern bool vfio_noiommu __read_mostly; +#else +enum { vfio_noiommu = false }; +#endif + #endif |