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authorAndrey Konovalov <andreyknvl@google.com>2020-05-07 20:06:57 +0300
committerFelipe Balbi <balbi@kernel.org>2020-05-14 12:30:18 +0300
commitc61769bd4777a922952aed0d042a2572e5bd9b74 (patch)
treefe490ffcffdad1d0a4a0c264372cb4c1fd2e6f6c /include/uapi/linux
parent97df5e5758f7d1dd0ca97e3210696818fc45bdb3 (diff)
downloadlinux-c61769bd4777a922952aed0d042a2572e5bd9b74.tar.xz
usb: raw-gadget: support stalling/halting/wedging endpoints
Raw Gadget is currently unable to stall/halt/wedge gadget endpoints, which is required for proper emulation of certain USB classes. This patch adds a few more ioctls: - USB_RAW_IOCTL_EP0_STALL allows to stall control endpoint #0 when there's a pending setup request for it. - USB_RAW_IOCTL_SET/CLEAR_HALT/WEDGE allow to set/clear halt/wedge status on non-control non-isochronous endpoints. Fixes: f2c2e717642c ("usb: gadget: add raw-gadget interface") Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: Felipe Balbi <balbi@kernel.org>
Diffstat (limited to 'include/uapi/linux')
-rw-r--r--include/uapi/linux/usb/raw_gadget.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/uapi/linux/usb/raw_gadget.h b/include/uapi/linux/usb/raw_gadget.h
index c89f6341229c..0be685272eb1 100644
--- a/include/uapi/linux/usb/raw_gadget.h
+++ b/include/uapi/linux/usb/raw_gadget.h
@@ -231,4 +231,19 @@ struct usb_raw_eps_info {
*/
#define USB_RAW_IOCTL_EPS_INFO _IOR('U', 11, struct usb_raw_eps_info)
+/*
+ * Stalls a pending control request on endpoint 0.
+ * Returns 0 on success or negative error code on failure.
+ */
+#define USB_RAW_IOCTL_EP0_STALL _IO('U', 12)
+
+/*
+ * Sets or clears halt or wedge status of the endpoint.
+ * Accepts endpoint handle as an argument.
+ * Returns 0 on success or negative error code on failure.
+ */
+#define USB_RAW_IOCTL_EP_SET_HALT _IOW('U', 13, __u32)
+#define USB_RAW_IOCTL_EP_CLEAR_HALT _IOW('U', 14, __u32)
+#define USB_RAW_IOCTL_EP_SET_WEDGE _IOW('U', 15, __u32)
+
#endif /* _UAPI__LINUX_USB_RAW_GADGET_H */