GIF89a;
EcchiShell v1.0
/
/
proc/
self/
root/
usr/
include/
linux/
#include
#include
/*
* Events are delivered on the ep0 file descriptor, when the user mode driver
* reads from this file descriptor after writing the descriptors. Don't
* stop polling this descriptor.
*/
enum usb_gadgetfs_event_type {
GADGETFS_NOP = 0,
GADGETFS_CONNECT,
GADGETFS_DISCONNECT,
GADGETFS_SETUP,
GADGETFS_SUSPEND,
/* and likely more ! */
};
/* NOTE: this structure must stay the same size and layout on
* both 32-bit and 64-bit kernels.
*/
struct usb_gadgetfs_event {
union {
/* NOP, DISCONNECT, SUSPEND: nothing
* ... some hardware can't report disconnection
*/
/* CONNECT: just the speed */
enum usb_device_speed speed;
/* SETUP: packet; DATA phase i/o precedes next event
*(setup.bmRequestType & USB_DIR_IN) flags direction
* ... includes SET_CONFIGURATION, SET_INTERFACE
*/
struct usb_ctrlrequest setup;
} u;
enum usb_gadgetfs_event_type type;
};
/* The 'g' code is also used by printer gadget ioctl requests.
* Don't add any colliding codes to either driver, and keep
* them in unique ranges (size 0x20 for now).
*/
/* endpoint ioctls */
/* IN transfers may be reported to the gadget driver as complete
* when the fifo is loaded, before the host reads the data;
* OUT transfers may be reported to the host's "client" driver as
* complete when they're sitting in the FIFO unread.
* THIS returns how many bytes are "unclaimed" in the endpoint fifo
* (needed for precise fault handling, when the hardware allows it)
*/
#define GADGETFS_FIFO_STATUS _IO('g', 1)
/* discards any unclaimed data in the fifo. */
#define GADGETFS_FIFO_FLUSH _IO('g', 2)
/* resets endpoint halt+toggle; used to implement set_interface.
* some hardware (like pxa2xx) can't support this.
*/
#define GADGETFS_CLEAR_HALT _IO('g', 3)
#endif /* __LINUX_USB_GADGETFS_H */