website-struct

Struct: vfio_device_ops

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: Absent ⚠️
• In 4.10: Absent ⚠️
• In 4.13: Absent ⚠️
• In 4.15: Absent ⚠️
• In 4.18: Absent ⚠️
• In 5.0: Absent ⚠️
• In 5.3: Absent ⚠️
• In 5.4: ✅

  struct vfio_device_ops {
      char *name;
      int (*open)(void *);
      void (*release)(void *);
      ssize_t (*read)(void *, char *, size_t, loff_t *);
      ssize_t (*write)(void *, const char *, size_t, loff_t *);
      long int (*ioctl)(void *, unsigned int, long unsigned int);
      int (*mmap)(void *, struct vm_area_struct *);
      void (*request)(void *, unsigned int);
  };
  

• In 5.8: ✅

  struct vfio_device_ops {
      char *name;
      int (*open)(void *);
      void (*release)(void *);
      ssize_t (*read)(void *, char *, size_t, loff_t *);
      ssize_t (*write)(void *, const char *, size_t, loff_t *);
      long int (*ioctl)(void *, unsigned int, long unsigned int);
      int (*mmap)(void *, struct vm_area_struct *);
      void (*request)(void *, unsigned int);
      int (*match)(void *, char *);
  };
  

• In 5.11: ✅

  struct vfio_device_ops {
      char *name;
      int (*open)(void *);
      void (*release)(void *);
      ssize_t (*read)(void *, char *, size_t, loff_t *);
      ssize_t (*write)(void *, const char *, size_t, loff_t *);
      long int (*ioctl)(void *, unsigned int, long unsigned int);
      int (*mmap)(void *, struct vm_area_struct *);
      void (*request)(void *, unsigned int);
      int (*match)(void *, char *);
  };
  

• In 5.13: ✅

  struct vfio_device_ops {
      char *name;
      int (*open)(struct vfio_device *);
      void (*release)(struct vfio_device *);
      ssize_t (*read)(struct vfio_device *, char *, size_t, loff_t *);
      ssize_t (*write)(struct vfio_device *, const char *, size_t, loff_t *);
      long int (*ioctl)(struct vfio_device *, unsigned int, long unsigned int);
      int (*mmap)(struct vfio_device *, struct vm_area_struct *);
      void (*request)(struct vfio_device *, unsigned int);
      int (*match)(struct vfio_device *, char *);
  };
  

• In 5.15: ✅

  struct vfio_device_ops {
      char *name;
      int (*open_device)(struct vfio_device *);
      void (*close_device)(struct vfio_device *);
      ssize_t (*read)(struct vfio_device *, char *, size_t, loff_t *);
      ssize_t (*write)(struct vfio_device *, const char *, size_t, loff_t *);
      long int (*ioctl)(struct vfio_device *, unsigned int, long unsigned int);
      int (*mmap)(struct vfio_device *, struct vm_area_struct *);
      void (*request)(struct vfio_device *, unsigned int);
      int (*match)(struct vfio_device *, char *);
  };
  

• In 5.19: ✅

  struct vfio_device_ops {
      char *name;
      int (*open_device)(struct vfio_device *);
      void (*close_device)(struct vfio_device *);
      ssize_t (*read)(struct vfio_device *, char *, size_t, loff_t *);
      ssize_t (*write)(struct vfio_device *, const char *, size_t, loff_t *);
      long int (*ioctl)(struct vfio_device *, unsigned int, long unsigned int);
      int (*mmap)(struct vfio_device *, struct vm_area_struct *);
      void (*request)(struct vfio_device *, unsigned int);
      int (*match)(struct vfio_device *, char *);
      int (*device_feature)(struct vfio_device *, u32, void *, size_t);
  };
  

• In 6.2: Absent ⚠️
• In 6.5: Absent ⚠️
• In 6.8: Absent ⚠️

Arch

• In arm64: Absent ⚠️
• In armhf: Absent ⚠️
• In ppc64el: ✅

  struct vfio_device_ops {
      char *name;
      int (*open)(void *);
      void (*release)(void *);
      ssize_t (*read)(void *, char *, size_t, loff_t *);
      ssize_t (*write)(void *, const char *, size_t, loff_t *);
      long int (*ioctl)(void *, unsigned int, long unsigned int);
      int (*mmap)(void *, struct vm_area_struct *);
      void (*request)(void *, unsigned int);
  };
  

• In riscv64: Absent ⚠️

Flavor

• In aws: Absent ⚠️
• In azure: ✅

  struct vfio_device_ops {
      char *name;
      int (*open)(void *);
      void (*release)(void *);
      ssize_t (*read)(void *, char *, size_t, loff_t *);
      ssize_t (*write)(void *, const char *, size_t, loff_t *);
      long int (*ioctl)(void *, unsigned int, long unsigned int);
      int (*mmap)(void *, struct vm_area_struct *);
      void (*request)(void *, unsigned int);
  };
  

• In gcp: ✅

  struct vfio_device_ops {
      char *name;
      int (*open)(void *);
      void (*release)(void *);
      ssize_t (*read)(void *, char *, size_t, loff_t *);
      ssize_t (*write)(void *, const char *, size_t, loff_t *);
      long int (*ioctl)(void *, unsigned int, long unsigned int);
      int (*mmap)(void *, struct vm_area_struct *);
      void (*request)(void *, unsigned int);
  };
  

• In lowlatency: ✅

  struct vfio_device_ops {
      char *name;
      int (*open)(void *);
      void (*release)(void *);
      ssize_t (*read)(void *, char *, size_t, loff_t *);
      ssize_t (*write)(void *, const char *, size_t, loff_t *);
      long int (*ioctl)(void *, unsigned int, long unsigned int);
      int (*mmap)(void *, struct vm_area_struct *);
      void (*request)(void *, unsigned int);
  };
  

Differences

Regular

• Changed between 5.4 and 5.8 ⚠️

  • Field added. int (*match)(void *, char *)
• No changes between 5.8 and 5.11 ✅
• Changed between 5.11 and 5.13 ⚠️

  • Field type changed. int (*open)(void *) ➡️ int (*open)(struct vfio_device *)
  • Field type changed. void (*release)(void *) ➡️ void (*release)(struct vfio_device *)
  • Field type changed. ssize_t (*read)(void *, char *, size_t, loff_t *) ➡️ ssize_t (*read)(struct vfio_device *, char *, size_t, loff_t *)
  • Field type changed. ssize_t (*write)(void *, const char *, size_t, loff_t *) ➡️ ssize_t (*write)(struct vfio_device *, const char *, size_t, loff_t *)
  • Field type changed. long int (*ioctl)(void *, unsigned int, long unsigned int) ➡️ long int (*ioctl)(struct vfio_device *, unsigned int, long unsigned int)
  • Field type changed. int (*mmap)(void *, struct vm_area_struct *) ➡️ int (*mmap)(struct vfio_device *, struct vm_area_struct *)
  • Field type changed. void (*request)(void *, unsigned int) ➡️ void (*request)(struct vfio_device *, unsigned int)
  • Field type changed. int (*match)(void *, char *) ➡️ int (*match)(struct vfio_device *, char *)
• Changed between 5.13 and 5.15 ⚠️

  • Field added. int (*open_device)(struct vfio_device *)
  • Field added. void (*close_device)(struct vfio_device *)
  • Field removed. int (*open)(struct vfio_device *)
  • Field removed. void (*release)(struct vfio_device *)
• Changed between 5.15 and 5.19 ⚠️

  • Field added. int (*device_feature)(struct vfio_device *, u32, void *, size_t)

Arch

• No changes between amd64 and ppc64el ✅

Flavor

• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅