Merge tag 'mm-stable-2022-08-09' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-microblaze.git] / include / linux / vfio_pci_core.h

diff --git a/include/linux/vfio_pci_core.h b/include/linux/vfio_pci_core.h
index 23c176d..5579ece 100644 (file)
--- a/include/linux/vfio_pci_core.h
+++ b/include/linux/vfio_pci_core.h
@@ -147,23 +147,23 @@ struct vfio_pci_core_device {
 #define is_irq_none(vdev) (!(is_intx(vdev) || is_msi(vdev) || is_msix(vdev)))
 #define irq_is(vdev, type) (vdev->irq_type == type)
 
-extern void vfio_pci_intx_mask(struct vfio_pci_core_device *vdev);
-extern void vfio_pci_intx_unmask(struct vfio_pci_core_device *vdev);
+void vfio_pci_intx_mask(struct vfio_pci_core_device *vdev);
+void vfio_pci_intx_unmask(struct vfio_pci_core_device *vdev);
 
-extern int vfio_pci_set_irqs_ioctl(struct vfio_pci_core_device *vdev,
-                                  uint32_t flags, unsigned index,
-                                  unsigned start, unsigned count, void *data);
+int vfio_pci_set_irqs_ioctl(struct vfio_pci_core_device *vdev,
+                           uint32_t flags, unsigned index,
+                           unsigned start, unsigned count, void *data);
 
-extern ssize_t vfio_pci_config_rw(struct vfio_pci_core_device *vdev,
-                                 char __user *buf, size_t count,
-                                 loff_t *ppos, bool iswrite);
+ssize_t vfio_pci_config_rw(struct vfio_pci_core_device *vdev,
+                          char __user *buf, size_t count,
+                          loff_t *ppos, bool iswrite);
 
-extern ssize_t vfio_pci_bar_rw(struct vfio_pci_core_device *vdev, char __user *buf,
-                              size_t count, loff_t *ppos, bool iswrite);
+ssize_t vfio_pci_bar_rw(struct vfio_pci_core_device *vdev, char __user *buf,
+                       size_t count, loff_t *ppos, bool iswrite);
 
 #ifdef CONFIG_VFIO_PCI_VGA
-extern ssize_t vfio_pci_vga_rw(struct vfio_pci_core_device *vdev, char __user *buf,
-                              size_t count, loff_t *ppos, bool iswrite);
+ssize_t vfio_pci_vga_rw(struct vfio_pci_core_device *vdev, char __user *buf,
+                       size_t count, loff_t *ppos, bool iswrite);
 #else
 static inline ssize_t vfio_pci_vga_rw(struct vfio_pci_core_device *vdev,
                                      char __user *buf, size_t count,
@@ -173,32 +173,31 @@ static inline ssize_t vfio_pci_vga_rw(struct vfio_pci_core_device *vdev,
 }
 #endif
 
-extern long vfio_pci_ioeventfd(struct vfio_pci_core_device *vdev, loff_t offset,
-                              uint64_t data, int count, int fd);
+long vfio_pci_ioeventfd(struct vfio_pci_core_device *vdev, loff_t offset,
+                       uint64_t data, int count, int fd);
 
-extern int vfio_pci_init_perm_bits(void);
-extern void vfio_pci_uninit_perm_bits(void);
+int vfio_pci_init_perm_bits(void);
+void vfio_pci_uninit_perm_bits(void);
 
-extern int vfio_config_init(struct vfio_pci_core_device *vdev);
-extern void vfio_config_free(struct vfio_pci_core_device *vdev);
+int vfio_config_init(struct vfio_pci_core_device *vdev);
+void vfio_config_free(struct vfio_pci_core_device *vdev);
 
-extern int vfio_pci_register_dev_region(struct vfio_pci_core_device *vdev,
-                                       unsigned int type, unsigned int subtype,
-                                       const struct vfio_pci_regops *ops,
-                                       size_t size, u32 flags, void *data);
+int vfio_pci_register_dev_region(struct vfio_pci_core_device *vdev,
+                                unsigned int type, unsigned int subtype,
+                                const struct vfio_pci_regops *ops,
+                                size_t size, u32 flags, void *data);
 
-extern int vfio_pci_set_power_state(struct vfio_pci_core_device *vdev,
-                                   pci_power_t state);
+int vfio_pci_set_power_state(struct vfio_pci_core_device *vdev,
+                            pci_power_t state);
 
-extern bool __vfio_pci_memory_enabled(struct vfio_pci_core_device *vdev);
-extern void vfio_pci_zap_and_down_write_memory_lock(struct vfio_pci_core_device
-                                                   *vdev);
-extern u16 vfio_pci_memory_lock_and_enable(struct vfio_pci_core_device *vdev);
-extern void vfio_pci_memory_unlock_and_restore(struct vfio_pci_core_device *vdev,
-                                              u16 cmd);
+bool __vfio_pci_memory_enabled(struct vfio_pci_core_device *vdev);
+void vfio_pci_zap_and_down_write_memory_lock(struct vfio_pci_core_device *vdev);
+u16 vfio_pci_memory_lock_and_enable(struct vfio_pci_core_device *vdev);
+void vfio_pci_memory_unlock_and_restore(struct vfio_pci_core_device *vdev,
+                                       u16 cmd);
 
 #ifdef CONFIG_VFIO_PCI_IGD
-extern int vfio_pci_igd_init(struct vfio_pci_core_device *vdev);
+int vfio_pci_igd_init(struct vfio_pci_core_device *vdev);
 #else
 static inline int vfio_pci_igd_init(struct vfio_pci_core_device *vdev)
 {
@@ -206,15 +205,25 @@ static inline int vfio_pci_igd_init(struct vfio_pci_core_device *vdev)
 }
 #endif
 
-#ifdef CONFIG_S390
-extern int vfio_pci_info_zdev_add_caps(struct vfio_pci_core_device *vdev,
-                                      struct vfio_info_cap *caps);
+#ifdef CONFIG_VFIO_PCI_ZDEV_KVM
+int vfio_pci_info_zdev_add_caps(struct vfio_pci_core_device *vdev,
+                               struct vfio_info_cap *caps);
+int vfio_pci_zdev_open_device(struct vfio_pci_core_device *vdev);
+void vfio_pci_zdev_close_device(struct vfio_pci_core_device *vdev);
 #else
 static inline int vfio_pci_info_zdev_add_caps(struct vfio_pci_core_device *vdev,
                                              struct vfio_info_cap *caps)
 {
        return -ENODEV;
 }
+
+static inline int vfio_pci_zdev_open_device(struct vfio_pci_core_device *vdev)
+{
+       return 0;
+}
+
+static inline void vfio_pci_zdev_close_device(struct vfio_pci_core_device *vdev)
+{}
 #endif
 
 /* Will be exported for vfio pci drivers usage */