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      1 /****************************************************************************
      2  ****************************************************************************
      3  ***
      4  ***   This header was automatically generated from a Linux kernel header
      5  ***   of the same name, to make information necessary for userspace to
      6  ***   call into the kernel available to libc.  It contains only constants,
      7  ***   structures, and macros generated from the original header, and thus,
      8  ***   contains no copyrightable information.
      9  ***
     10  ***   To edit the content of this header, modify the corresponding
     11  ***   source file (e.g. under external/kernel-headers/original/) then
     12  ***   run bionic/libc/kernel/tools/update_all.py
     13  ***
     14  ***   Any manual change here will be lost the next time this script will
     15  ***   be run. You've been warned!
     16  ***
     17  ****************************************************************************
     18  ****************************************************************************/
     19 #ifndef _UAPI__LINUX_FUNCTIONFS_H__
     20 #define _UAPI__LINUX_FUNCTIONFS_H__
     21 #include <linux/types.h>
     22 #include <linux/ioctl.h>
     23 #include <linux/usb/ch9.h>
     24 enum {
     25   FUNCTIONFS_DESCRIPTORS_MAGIC = 1,
     26   FUNCTIONFS_STRINGS_MAGIC = 2,
     27   FUNCTIONFS_DESCRIPTORS_MAGIC_V2 = 3,
     28 };
     29 enum functionfs_flags {
     30   FUNCTIONFS_HAS_FS_DESC = 1,
     31   FUNCTIONFS_HAS_HS_DESC = 2,
     32   FUNCTIONFS_HAS_SS_DESC = 4,
     33   FUNCTIONFS_HAS_MS_OS_DESC = 8,
     34   FUNCTIONFS_VIRTUAL_ADDR = 16,
     35   FUNCTIONFS_EVENTFD = 32,
     36   FUNCTIONFS_ALL_CTRL_RECIP = 64,
     37   FUNCTIONFS_CONFIG0_SETUP = 128,
     38 };
     39 struct usb_endpoint_descriptor_no_audio {
     40   __u8 bLength;
     41   __u8 bDescriptorType;
     42   __u8 bEndpointAddress;
     43   __u8 bmAttributes;
     44   __le16 wMaxPacketSize;
     45   __u8 bInterval;
     46 } __attribute__((packed));
     47 struct usb_functionfs_descs_head_v2 {
     48   __le32 magic;
     49   __le32 length;
     50   __le32 flags;
     51 } __attribute__((packed));
     52 struct usb_functionfs_descs_head {
     53   __le32 magic;
     54   __le32 length;
     55   __le32 fs_count;
     56   __le32 hs_count;
     57 } __attribute__((packed, deprecated));
     58 struct usb_os_desc_header {
     59   __u8 interface;
     60   __le32 dwLength;
     61   __le16 bcdVersion;
     62   __le16 wIndex;
     63   union {
     64     struct {
     65       __u8 bCount;
     66       __u8 Reserved;
     67     };
     68     __le16 wCount;
     69   };
     70 } __attribute__((packed));
     71 struct usb_ext_compat_desc {
     72   __u8 bFirstInterfaceNumber;
     73   __u8 Reserved1;
     74   __u8 CompatibleID[8];
     75   __u8 SubCompatibleID[8];
     76   __u8 Reserved2[6];
     77 };
     78 struct usb_ext_prop_desc {
     79   __le32 dwSize;
     80   __le32 dwPropertyDataType;
     81   __le16 wPropertyNameLength;
     82 } __attribute__((packed));
     83 struct usb_functionfs_strings_head {
     84   __le32 magic;
     85   __le32 length;
     86   __le32 str_count;
     87   __le32 lang_count;
     88 } __attribute__((packed));
     89 enum usb_functionfs_event_type {
     90   FUNCTIONFS_BIND,
     91   FUNCTIONFS_UNBIND,
     92   FUNCTIONFS_ENABLE,
     93   FUNCTIONFS_DISABLE,
     94   FUNCTIONFS_SETUP,
     95   FUNCTIONFS_SUSPEND,
     96   FUNCTIONFS_RESUME
     97 };
     98 struct usb_functionfs_event {
     99   union {
    100     struct usb_ctrlrequest setup;
    101   } __attribute__((packed)) u;
    102   __u8 type;
    103   __u8 _pad[3];
    104 } __attribute__((packed));
    105 #define FUNCTIONFS_FIFO_STATUS _IO('g', 1)
    106 #define FUNCTIONFS_FIFO_FLUSH _IO('g', 2)
    107 #define FUNCTIONFS_CLEAR_HALT _IO('g', 3)
    108 #define FUNCTIONFS_INTERFACE_REVMAP _IO('g', 128)
    109 #define FUNCTIONFS_ENDPOINT_REVMAP _IO('g', 129)
    110 #define FUNCTIONFS_ENDPOINT_DESC _IOR('g', 130, struct usb_endpoint_descriptor)
    111 #endif
    112