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oasis-root

Compiled tree of Oasis Linux based on own branch at <https://hacktivis.me/git/oasis/> git clone https://anongit.hacktivis.me/git/oasis-root.git

g_hid.h (1251B)

    

  1. /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
  3. #ifndef __UAPI_LINUX_USB_G_HID_H
  4. #define __UAPI_LINUX_USB_G_HID_H
  6. #include <linux/types.h>
  8. /* Maximum HID report length for High-Speed USB (i.e. USB 2.0) */
  9. #define MAX_REPORT_LENGTH 64
  11. /**
  12.  * struct usb_hidg_report - response to GET_REPORT
  13.  * @report_id: report ID that this is a response for
  14.  * @userspace_req:
  15.  *    !0 this report is used for any pending GET_REPORT request
  16.  *       but wait on userspace to issue a new report on future requests
  17.  *    0  this report is to be used for any future GET_REPORT requests
  18.  * @length: length of the report response
  19.  * @data: report response
  20.  * @padding: padding for 32/64 bit compatibility
  21.  *
  22.  * Structure used by GADGET_HID_WRITE_GET_REPORT ioctl on /dev/hidg*.
  23.  */
  24. struct usb_hidg_report {
  25. 	__u8 report_id;
  26. 	__u8 userspace_req;
  27. 	__u16 length;
  28. 	__u8 data[MAX_REPORT_LENGTH];
  29. 	__u8 padding[4];
  30. };
  32. /* The 'g' code is used by gadgetfs and hid gadget ioctl requests.
  33.  * Don't add any colliding codes to either driver, and keep
  34.  * them in unique ranges.
  35.  */
  37. #define GADGET_HID_READ_GET_REPORT_ID   _IOR('g', 0x41, __u8)
  38. #define GADGET_HID_WRITE_GET_REPORT     _IOW('g', 0x42, struct usb_hidg_report)
  40. #endif /* __UAPI_LINUX_USB_G_HID_H */