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vfio: Move container code into drivers/vfio/container.c

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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>
This commit is contained in:
Jason Gunthorpe
2022-09-22 16:20:26 -03:00
committed by Alex Williamson
parent 9446162e74
commit cdc71fe4ec
4 changed files with 728 additions and 691 deletions
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1
drivers/vfio/Makefile
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@@ -5,6 +5,7 @@ obj-$(CONFIG_VFIO) += vfio.o
vfio-y += vfio_main.o \
iova_bitmap.o \
container.o
obj-$(CONFIG_VFIO_VIRQFD) += vfio_virqfd.o
obj-$(CONFIG_VFIO_IOMMU_TYPE1) += vfio_iommu_type1.o

680
drivers/vfio/container.c Normal file
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File diff suppressed because it is too large Load Diff

46
drivers/vfio/vfio.h
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@@ -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

692
drivers/vfio/vfio_main.c
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File diff suppressed because it is too large Load Diff