|  | /* | 
|  | * This file is auto-generated. Modifications will be lost. | 
|  | * | 
|  | * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ | 
|  | * for more information. | 
|  | */ | 
|  | #ifndef _UAPI__LINUX_FUNCTIONFS_H__ | 
|  | #define _UAPI__LINUX_FUNCTIONFS_H__ | 
|  | #include <linux/types.h> | 
|  | #include <linux/ioctl.h> | 
|  | #include <linux/usb/ch9.h> | 
|  | enum { | 
|  | FUNCTIONFS_DESCRIPTORS_MAGIC = 1, | 
|  | FUNCTIONFS_STRINGS_MAGIC = 2, | 
|  | FUNCTIONFS_DESCRIPTORS_MAGIC_V2 = 3, | 
|  | }; | 
|  | enum functionfs_flags { | 
|  | FUNCTIONFS_HAS_FS_DESC = 1, | 
|  | FUNCTIONFS_HAS_HS_DESC = 2, | 
|  | FUNCTIONFS_HAS_SS_DESC = 4, | 
|  | FUNCTIONFS_HAS_MS_OS_DESC = 8, | 
|  | FUNCTIONFS_VIRTUAL_ADDR = 16, | 
|  | FUNCTIONFS_EVENTFD = 32, | 
|  | FUNCTIONFS_ALL_CTRL_RECIP = 64, | 
|  | FUNCTIONFS_CONFIG0_SETUP = 128, | 
|  | }; | 
|  | struct usb_endpoint_descriptor_no_audio { | 
|  | __u8 bLength; | 
|  | __u8 bDescriptorType; | 
|  | __u8 bEndpointAddress; | 
|  | __u8 bmAttributes; | 
|  | __le16 wMaxPacketSize; | 
|  | __u8 bInterval; | 
|  | } __attribute__((packed)); | 
|  | struct usb_functionfs_descs_head_v2 { | 
|  | __le32 magic; | 
|  | __le32 length; | 
|  | __le32 flags; | 
|  | } __attribute__((packed)); | 
|  | struct usb_functionfs_descs_head { | 
|  | __le32 magic; | 
|  | __le32 length; | 
|  | __le32 fs_count; | 
|  | __le32 hs_count; | 
|  | } __attribute__((packed, deprecated)); | 
|  | struct usb_os_desc_header { | 
|  | __u8 interface; | 
|  | __le32 dwLength; | 
|  | __le16 bcdVersion; | 
|  | __le16 wIndex; | 
|  | union { | 
|  | struct { | 
|  | __u8 bCount; | 
|  | __u8 Reserved; | 
|  | }; | 
|  | __le16 wCount; | 
|  | }; | 
|  | } __attribute__((packed)); | 
|  | struct usb_ext_compat_desc { | 
|  | __u8 bFirstInterfaceNumber; | 
|  | __u8 Reserved1; | 
|  | __struct_group(, IDs,, __u8 CompatibleID[8]; | 
|  | __u8 SubCompatibleID[8]; | 
|  | ); | 
|  | __u8 Reserved2[6]; | 
|  | }; | 
|  | struct usb_ext_prop_desc { | 
|  | __le32 dwSize; | 
|  | __le32 dwPropertyDataType; | 
|  | __le16 wPropertyNameLength; | 
|  | } __attribute__((packed)); | 
|  | #define USB_FFS_DMABUF_TRANSFER_MASK 0x0 | 
|  | struct usb_ffs_dmabuf_transfer_req { | 
|  | int fd; | 
|  | __u32 flags; | 
|  | __u64 length; | 
|  | } __attribute__((packed)); | 
|  | struct usb_functionfs_strings_head { | 
|  | __le32 magic; | 
|  | __le32 length; | 
|  | __le32 str_count; | 
|  | __le32 lang_count; | 
|  | } __attribute__((packed)); | 
|  | enum usb_functionfs_event_type { | 
|  | FUNCTIONFS_BIND, | 
|  | FUNCTIONFS_UNBIND, | 
|  | FUNCTIONFS_ENABLE, | 
|  | FUNCTIONFS_DISABLE, | 
|  | FUNCTIONFS_SETUP, | 
|  | FUNCTIONFS_SUSPEND, | 
|  | FUNCTIONFS_RESUME | 
|  | }; | 
|  | struct usb_functionfs_event { | 
|  | union { | 
|  | struct usb_ctrlrequest setup; | 
|  | } __attribute__((packed)) u; | 
|  | __u8 type; | 
|  | __u8 _pad[3]; | 
|  | } __attribute__((packed)); | 
|  | #define FUNCTIONFS_FIFO_STATUS _IO('g', 1) | 
|  | #define FUNCTIONFS_FIFO_FLUSH _IO('g', 2) | 
|  | #define FUNCTIONFS_CLEAR_HALT _IO('g', 3) | 
|  | #define FUNCTIONFS_INTERFACE_REVMAP _IO('g', 128) | 
|  | #define FUNCTIONFS_ENDPOINT_REVMAP _IO('g', 129) | 
|  | #define FUNCTIONFS_ENDPOINT_DESC _IOR('g', 130, struct usb_endpoint_descriptor) | 
|  | #define FUNCTIONFS_DMABUF_ATTACH _IOW('g', 131, int) | 
|  | #define FUNCTIONFS_DMABUF_DETACH _IOW('g', 132, int) | 
|  | #define FUNCTIONFS_DMABUF_TRANSFER _IOW('g', 133, struct usb_ffs_dmabuf_transfer_req) | 
|  | #endif |