Merge tag 'vfio-v6.0-rc1' of https://github.com/awilliam/linux-vfio

[linux-2.6-microblaze.git] / Documentation / driver-api / vfio-mediated-device.rst

diff --git a/Documentation/driver-api/vfio-mediated-device.rst b/Documentation/driver-api/vfio-mediated-device.rst
index 66bd00d..f47dca6 100644 (file)
--- a/Documentation/driver-api/vfio-mediated-device.rst
+++ b/Documentation/driver-api/vfio-mediated-device.rst
@@ -112,11 +112,11 @@ to register and unregister itself with the core driver:
 
 * Register::
 
-    extern int  mdev_register_driver(struct mdev_driver *drv);
+    int mdev_register_driver(struct mdev_driver *drv);
 
 * Unregister::
 
-    extern void mdev_unregister_driver(struct mdev_driver *drv);
+    void mdev_unregister_driver(struct mdev_driver *drv);
 
 The mediated bus driver's probe function should create a vfio_device on top of
 the mdev_device and connect it to an appropriate implementation of
@@ -125,8 +125,8 @@ vfio_device_ops.
 When a driver wants to add the GUID creation sysfs to an existing device it has
 probe'd to then it should call::
 
-       extern int  mdev_register_device(struct device *dev,
-                                        struct mdev_driver *mdev_driver);
+    int mdev_register_device(struct device *dev,
+                             struct mdev_driver *mdev_driver);
 
 This will provide the 'mdev_supported_types/XX/create' files which can then be
 used to trigger the creation of a mdev_device. The created mdev_device will be
@@ -134,7 +134,7 @@ attached to the specified driver.
 
 When the driver needs to remove itself it calls::
 
-       extern void mdev_unregister_device(struct device *dev);
+    void mdev_unregister_device(struct device *dev);
 
 Which will unbind and destroy all the created mdevs and remove the sysfs files.
 
@@ -260,10 +260,10 @@ Translation APIs for Mediated Devices
 The following APIs are provided for translating user pfn to host pfn in a VFIO
 driver::
 
-       int vfio_pin_pages(struct vfio_device *device, unsigned long *user_pfn,
-                                 int npage, int prot, unsigned long *phys_pfn);
+       int vfio_pin_pages(struct vfio_device *device, dma_addr_t iova,
+                                 int npage, int prot, struct page **pages);
 
-       int vfio_unpin_pages(struct vfio_device *device, unsigned long *user_pfn,
+       void vfio_unpin_pages(struct vfio_device *device, dma_addr_t iova,
                                    int npage);
 
 These functions call back into the back-end IOMMU module by using the pin_pages