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| author | Yi Liu <yi.l.liu@intel.com> | 2022-11-25 14:26:42 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2022-12-05 15:56:01 +0300 |
| commit | 9eefba8002c27d65ab52a533fd0611b099b73591 (patch) | |
| tree | 5a6f796c71a481943e2dc0eebc253ea031ddbc62 /drivers/vfio/vfio.h | |
| parent | 8da7a0e79f9b15330ae68d8532425399f4c27045 (diff) | |
| download | linux-9eefba8002c27d65ab52a533fd0611b099b73591.tar.xz | |
vfio: Move vfio group specific code into group.c
This prepares for compiling out vfio group after vfio device cdev is
added. No vfio_group decode code should be in vfio_main.c, and neither
device->group reference should be in vfio_main.c.
No functional change is intended.
Link: https://lore.kernel.org/r/20221201145535.589687-11-yi.l.liu@intel.com
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
Tested-by: Yu He <yu.he@intel.com>
Tested-by: Lixiao Yang <lixiao.yang@intel.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/vfio/vfio.h')
| -rw-r--r-- | drivers/vfio/vfio.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/vfio/vfio.h b/drivers/vfio/vfio.h index a112e8f2b291..2e05418fd18d 100644 --- a/drivers/vfio/vfio.h +++ b/drivers/vfio/vfio.h @@ -6,6 +6,7 @@ #ifndef __VFIO_VFIO_H__ #define __VFIO_VFIO_H__ +#include <linux/file.h> #include <linux/device.h> #include <linux/cdev.h> #include <linux/module.h> @@ -15,6 +16,15 @@ struct iommu_group; struct vfio_device; struct vfio_container; +void vfio_device_put_registration(struct vfio_device *device); +bool vfio_device_try_get_registration(struct vfio_device *device); +int vfio_device_open(struct vfio_device *device, + struct iommufd_ctx *iommufd, struct kvm *kvm); +void vfio_device_close(struct vfio_device *device, + struct iommufd_ctx *iommufd); + +extern const struct file_operations vfio_device_fops; + enum vfio_group_type { /* * Physical device with IOMMU backing. @@ -66,6 +76,18 @@ struct vfio_group { struct iommufd_ctx *iommufd; }; +int vfio_device_set_group(struct vfio_device *device, + enum vfio_group_type type); +void vfio_device_remove_group(struct vfio_device *device); +void vfio_device_group_register(struct vfio_device *device); +void vfio_device_group_unregister(struct vfio_device *device); +int vfio_device_group_use_iommu(struct vfio_device *device); +void vfio_device_group_unuse_iommu(struct vfio_device *device); +void vfio_device_group_close(struct vfio_device *device); +bool vfio_device_has_container(struct vfio_device *device); +int __init vfio_group_init(void); +void vfio_group_cleanup(void); + #if IS_ENABLED(CONFIG_VFIO_CONTAINER) /* events for the backend driver notify callback */ enum vfio_iommu_notify_type { |