Since multiple different gadget types use similar ranges of ioctl IDs, put all of them in the same file to avoid accidentally creating overlaps. Suggested-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Vicki Pfau <vi@xxxxxxxxxxx> --- include/uapi/linux/usb/g_printer.h | 23 ++---------------- include/uapi/linux/usb/g_uvc.h | 4 +-- include/uapi/linux/usb/gadget-ioctl.h | 35 +++++++++++++++++++++++++++ include/uapi/linux/usb/gadgetfs.h | 27 +-------------------- 4 files changed, 39 insertions(+), 50 deletions(-) create mode 100644 include/uapi/linux/usb/gadget-ioctl.h diff --git a/include/uapi/linux/usb/g_printer.h b/include/uapi/linux/usb/g_printer.h index 7fc20e4b82f5..fc411ee3f5cc 100644 --- a/include/uapi/linux/usb/g_printer.h +++ b/include/uapi/linux/usb/g_printer.h @@ -3,34 +3,15 @@ * g_printer.h -- Header file for USB Printer gadget driver * * Copyright (C) 2007 Craig W. Nadler - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __LINUX_USB_G_PRINTER_H #define __LINUX_USB_G_PRINTER_H +#include <linux/usb/gadget-ioctl.h> + #define PRINTER_NOT_ERROR 0x08 #define PRINTER_SELECTED 0x10 #define PRINTER_PAPER_EMPTY 0x20 -/* The 'g' code is also used by gadgetfs ioctl requests. - * Don't add any colliding codes to either driver, and keep - * them in unique ranges (size 0x20 for now). - */ -#define GADGET_GET_PRINTER_STATUS _IOR('g', 0x21, unsigned char) -#define GADGET_SET_PRINTER_STATUS _IOWR('g', 0x22, unsigned char) - #endif /* __LINUX_USB_G_PRINTER_H */ diff --git a/include/uapi/linux/usb/g_uvc.h b/include/uapi/linux/usb/g_uvc.h index 8d7824dde1b2..7142e05abab1 100644 --- a/include/uapi/linux/usb/g_uvc.h +++ b/include/uapi/linux/usb/g_uvc.h @@ -8,9 +8,9 @@ #ifndef __LINUX_USB_G_UVC_H #define __LINUX_USB_G_UVC_H -#include <linux/ioctl.h> #include <linux/types.h> #include <linux/usb/ch9.h> +#include <linux/usb/gadget-ioctl.h> #define UVC_EVENT_FIRST (V4L2_EVENT_PRIVATE_START + 0) #define UVC_EVENT_CONNECT (V4L2_EVENT_PRIVATE_START + 0) @@ -37,6 +37,4 @@ struct uvc_event { }; }; -#define UVCIOC_SEND_RESPONSE _IOW('U', 1, struct uvc_request_data) - #endif /* __LINUX_USB_G_UVC_H */ diff --git a/include/uapi/linux/usb/gadget-ioctl.h b/include/uapi/linux/usb/gadget-ioctl.h new file mode 100644 index 000000000000..b5f8f7894db7 --- /dev/null +++ b/include/uapi/linux/usb/gadget-ioctl.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ + +#ifndef __LINUX_USB_GADGET_IOCTL_H +#define __LINUX_USB_GADGET_IOCTL_H + +#include <linux/types.h> +#include <linux/ioctl.h> + +/* gadgetfs 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) + +/* g_printer ioctls */ +#define GADGET_GET_PRINTER_STATUS _IOR('g', 0x21, unsigned char) +#define GADGET_SET_PRINTER_STATUS _IOWR('g', 0x22, unsigned char) + +/* g_uvc ioctls */ +#define UVCIOC_SEND_RESPONSE _IOW('U', 1, struct uvc_request_data) + +#endif /* __LINUX_USB_GADGET_IOCTL_H */ diff --git a/include/uapi/linux/usb/gadgetfs.h b/include/uapi/linux/usb/gadgetfs.h index 835473910a49..e8629943d249 100644 --- a/include/uapi/linux/usb/gadgetfs.h +++ b/include/uapi/linux/usb/gadgetfs.h @@ -20,9 +20,9 @@ #define __LINUX_USB_GADGETFS_H #include <linux/types.h> -#include <linux/ioctl.h> #include <linux/usb/ch9.h> +#include <linux/usb/gadget-ioctl.h> /* * Events are delivered on the ep0 file descriptor, when the user mode driver @@ -61,29 +61,4 @@ struct usb_gadgetfs_event { 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 */ -- 2.43.0