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authorLinus Torvalds <torvalds@linux-foundation.org>2020-03-30 13:54:11 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-03-30 13:54:11 -0700
commitdb34c5ffee649e2c4c870d1031a996398a187cf5 (patch)
tree7c07ad02ab8e3fd932db2c71f2cf714184ab7240 /include
parent063d1942247668eb0bb800aef5afbbef337344be (diff)
parent62d65bdd9d05158aa2547f8ef72375535f3bc6e3 (diff)
downloadlinux-db34c5ffee649e2c4c870d1031a996398a187cf5.tar.bz2
Merge tag 'usb-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / PHY updates from Greg KH: "Here are the big set of USB and PHY driver patches for 5.7-rc1. Nothing huge here, some new PHY drivers, loads of USB gadget fixes and updates, xhci updates, usb-serial driver updates and new device ids, and other minor things. Full details in the shortlog. All have been in linux-next for a while with no reported issues" * tag 'usb-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (239 commits) USB: cdc-acm: restore capability check order usb: cdns3: make signed 1 bit bitfields unsigned usb: gadget: fsl: remove unused variable 'driver_desc' usb: gadget: f_fs: Fix use after free issue as part of queue failure usb: typec: Correct the documentation for typec_cable_put() USB: serial: io_edgeport: fix slab-out-of-bounds read in edge_interrupt_callback USB: serial: option: add Wistron Neweb D19Q1 USB: serial: option: add BroadMobi BM806U USB: serial: option: add support for ASKEY WWHC050 usb: core: Add ACPI support for USB interface devices driver core: platform: Reimplement devm_platform_ioremap_resource usb: dwc2: convert to devm_platform_get_and_ioremap_resource usb: host: hisilicon: convert to devm_platform_get_and_ioremap_resource usb: host: xhci-plat: convert to devm_platform_get_and_ioremap_resource drivers: provide devm_platform_get_and_ioremap_resource() phy: qcom-qusb2: Add new overriding tuning parameters in QUSB2 V2 PHY phy: qcom-qusb2: Add support for overriding tuning parameters in QUSB2 V2 PHY dt-bindings: phy: qcom-qusb2: Add support for overriding Phy tuning parameters phy: qcom-qusb2: Add generic QUSB2 V2 PHY support dt-bindings: phy: qcom,qusb2: Add compatibles for QUSB2 V2 phy and SC7180 ...
Diffstat (limited to 'include')
-rw-r--r--include/linux/phy/tegra/xusb.h2
-rw-r--r--include/linux/platform_device.h3
-rw-r--r--include/linux/usb.h11
-rw-r--r--include/linux/usb/audio-v2.h2
-rw-r--r--include/linux/usb/audio-v3.h2
-rw-r--r--include/linux/usb/ehci_def.h2
-rw-r--r--include/linux/usb/gadget.h2
-rw-r--r--include/linux/usb/hcd.h2
-rw-r--r--include/linux/usb/role.h23
-rw-r--r--include/linux/usb/typec.h3
-rw-r--r--include/linux/usb/typec_altmode.h7
-rw-r--r--include/linux/usb/typec_mux.h25
-rw-r--r--include/linux/usb/typec_tbt.h53
-rw-r--r--include/linux/usb_usual.h2
-rw-r--r--include/linux/usbdevice_fs.h2
-rw-r--r--include/uapi/linux/usb/raw_gadget.h167
16 files changed, 285 insertions, 23 deletions
diff --git a/include/linux/phy/tegra/xusb.h b/include/linux/phy/tegra/xusb.h
index 1235865e7e2c..71d956935405 100644
--- a/include/linux/phy/tegra/xusb.h
+++ b/include/linux/phy/tegra/xusb.h
@@ -21,4 +21,6 @@ int tegra_xusb_padctl_usb3_set_lfps_detect(struct tegra_xusb_padctl *padctl,
int tegra_xusb_padctl_set_vbus_override(struct tegra_xusb_padctl *padctl,
bool val);
int tegra_phy_xusb_utmi_port_reset(struct phy *phy);
+int tegra_xusb_padctl_get_usb3_companion(struct tegra_xusb_padctl *padctl,
+ unsigned int port);
#endif /* PHY_TEGRA_XUSB_H */
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 041bfa412aa0..f242f66db19d 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -55,6 +55,9 @@ extern struct device *
platform_find_device_by_driver(struct device *start,
const struct device_driver *drv);
extern void __iomem *
+devm_platform_get_and_ioremap_resource(struct platform_device *pdev,
+ unsigned int index, struct resource **res);
+extern void __iomem *
devm_platform_ioremap_resource(struct platform_device *pdev,
unsigned int index);
extern void __iomem *
diff --git a/include/linux/usb.h b/include/linux/usb.h
index e656e7b4b1e4..9f3c721c70dc 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -325,7 +325,7 @@ struct usb_interface_cache {
/* variable-length array of alternate settings for this interface,
* stored in no particular order */
- struct usb_host_interface altsetting[0];
+ struct usb_host_interface altsetting[];
};
#define ref_to_usb_interface_cache(r) \
container_of(r, struct usb_interface_cache, ref)
@@ -708,6 +708,7 @@ struct usb_device {
unsigned lpm_disable_count;
u16 hub_delay;
+ unsigned use_generic_driver:1;
};
#define to_usb_device(d) container_of(d, struct usb_device, dev)
@@ -1228,12 +1229,16 @@ struct usb_driver {
* @drvwrap: Driver-model core structure wrapper.
* @supports_autosuspend: if set to 0, the USB core will not allow autosuspend
* for devices bound to this driver.
+ * @generic_subclass: if set to 1, the generic USB driver's probe, disconnect,
+ * resume and suspend functions will be called in addition to the driver's
+ * own, so this part of the setup does not need to be replicated.
*
* USB drivers must provide all the fields listed above except drvwrap.
*/
struct usb_device_driver {
const char *name;
+ bool (*match) (struct usb_device *udev);
int (*probe) (struct usb_device *udev);
void (*disconnect) (struct usb_device *udev);
@@ -1241,7 +1246,9 @@ struct usb_device_driver {
int (*resume) (struct usb_device *udev, pm_message_t message);
const struct attribute_group **dev_groups;
struct usbdrv_wrap drvwrap;
+ const struct usb_device_id *id_table;
unsigned int supports_autosuspend:1;
+ unsigned int generic_subclass:1;
};
#define to_usb_device_driver(d) container_of(d, struct usb_device_driver, \
drvwrap.driver)
@@ -1582,7 +1589,7 @@ struct urb {
int error_count; /* (return) number of ISO errors */
void *context; /* (in) context for completion */
usb_complete_t complete; /* (in) completion routine */
- struct usb_iso_packet_descriptor iso_frame_desc[0];
+ struct usb_iso_packet_descriptor iso_frame_desc[];
/* (in) ISO ONLY */
};
diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h
index ba4b3e3327ff..5e31740c7e40 100644
--- a/include/linux/usb/audio-v2.h
+++ b/include/linux/usb/audio-v2.h
@@ -153,7 +153,7 @@ struct uac2_feature_unit_descriptor {
__u8 bSourceID;
/* bmaControls is actually u32,
* but u8 is needed for the hybrid parser */
- __u8 bmaControls[0]; /* variable length */
+ __u8 bmaControls[]; /* variable length */
} __attribute__((packed));
/* 4.9.2 Class-Specific AS Interface Descriptor */
diff --git a/include/linux/usb/audio-v3.h b/include/linux/usb/audio-v3.h
index 6b708434b7f9..c69a6f2e6837 100644
--- a/include/linux/usb/audio-v3.h
+++ b/include/linux/usb/audio-v3.h
@@ -109,7 +109,7 @@ struct uac3_feature_unit_descriptor {
__u8 bSourceID;
/* bmaControls is actually u32,
* but u8 is needed for the hybrid parser */
- __u8 bmaControls[0]; /* variable length */
+ __u8 bmaControls[]; /* variable length */
/* wFeatureDescrStr omitted */
} __attribute__((packed));
diff --git a/include/linux/usb/ehci_def.h b/include/linux/usb/ehci_def.h
index a15ce99dfc2d..78e006355557 100644
--- a/include/linux/usb/ehci_def.h
+++ b/include/linux/usb/ehci_def.h
@@ -151,7 +151,7 @@ struct ehci_regs {
#define PORT_OWNER (1<<13) /* true: companion hc owns this port */
#define PORT_POWER (1<<12) /* true: has power (see PPC) */
#define PORT_USB11(x) (((x)&(3<<10)) == (1<<10)) /* USB 1.1 device */
-/* 11:10 for detecting lowspeed devices (reset vs release ownership) */
+#define PORT_LS_MASK (3<<10) /* Link status (SE0, K or J */
/* 9 reserved */
#define PORT_LPM (1<<9) /* LPM transaction */
#define PORT_RESET (1<<8) /* reset port */
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index 124462d65eac..9411c08a5c7e 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -767,7 +767,7 @@ struct usb_gadget_strings {
struct usb_gadget_string_container {
struct list_head list;
- u8 *stash[0];
+ u8 *stash[];
};
/* put descriptor for string with that id into buf (buflen >= 256) */
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index 712b2a603645..e12105ed3834 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -228,7 +228,7 @@ struct usb_hcd {
/* The HC driver's private data is stored at the end of
* this structure.
*/
- unsigned long hcd_priv[0]
+ unsigned long hcd_priv[]
__attribute__ ((aligned(sizeof(s64))));
};
diff --git a/include/linux/usb/role.h b/include/linux/usb/role.h
index efac3af83d6b..0164fed31b06 100644
--- a/include/linux/usb/role.h
+++ b/include/linux/usb/role.h
@@ -13,8 +13,9 @@ enum usb_role {
USB_ROLE_DEVICE,
};
-typedef int (*usb_role_switch_set_t)(struct device *dev, enum usb_role role);
-typedef enum usb_role (*usb_role_switch_get_t)(struct device *dev);
+typedef int (*usb_role_switch_set_t)(struct usb_role_switch *sw,
+ enum usb_role role);
+typedef enum usb_role (*usb_role_switch_get_t)(struct usb_role_switch *sw);
/**
* struct usb_role_switch_desc - USB Role Switch Descriptor
@@ -25,6 +26,8 @@ typedef enum usb_role (*usb_role_switch_get_t)(struct device *dev);
* @set: Callback for setting the role
* @get: Callback for getting the role (optional)
* @allow_userspace_control: If true userspace may change the role through sysfs
+ * @driver_data: Private data pointer
+ * @name: Name for the switch (optional)
*
* @usb2_port and @usb3_port will point to the USB host port and @udc to the USB
* device controller behind the USB connector with the role switch. If
@@ -40,6 +43,8 @@ struct usb_role_switch_desc {
usb_role_switch_set_t set;
usb_role_switch_get_t get;
bool allow_userspace_control;
+ void *driver_data;
+ const char *name;
};
@@ -57,6 +62,9 @@ struct usb_role_switch *
usb_role_switch_register(struct device *parent,
const struct usb_role_switch_desc *desc);
void usb_role_switch_unregister(struct usb_role_switch *sw);
+
+void usb_role_switch_set_drvdata(struct usb_role_switch *sw, void *data);
+void *usb_role_switch_get_drvdata(struct usb_role_switch *sw);
#else
static inline int usb_role_switch_set_role(struct usb_role_switch *sw,
enum usb_role role)
@@ -90,6 +98,17 @@ usb_role_switch_register(struct device *parent,
}
static inline void usb_role_switch_unregister(struct usb_role_switch *sw) { }
+
+static inline void
+usb_role_switch_set_drvdata(struct usb_role_switch *sw, void *data)
+{
+}
+
+static inline void *usb_role_switch_get_drvdata(struct usb_role_switch *sw)
+{
+ return NULL;
+}
+
#endif
#endif /* __LINUX_USB_ROLE_H */
diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h
index c358b3fd05c9..b00a2642a9cd 100644
--- a/include/linux/usb/typec.h
+++ b/include/linux/usb/typec.h
@@ -198,8 +198,6 @@ struct typec_operations {
* @pd_revision: USB Power Delivery Specification revision if supported
* @prefer_role: Initial role preference (DRP ports).
* @accessory: Supported Accessory Modes
- * @sw: Cable plug orientation switch
- * @mux: Multiplexer switch for Alternate/Accessory Modes
* @fwnode: Optional fwnode of the port
* @driver_data: Private pointer for driver specific info
* @ops: Port operations vector
@@ -213,6 +211,7 @@ struct typec_capability {
u16 pd_revision; /* 0300H = "3.0" */
int prefer_role;
enum typec_accessory accessory[TYPEC_MAX_ACCESSORY];
+ unsigned int orientation_aware:1;
struct fwnode_handle *fwnode;
void *driver_data;
diff --git a/include/linux/usb/typec_altmode.h b/include/linux/usb/typec_altmode.h
index 923ff3af0628..d834e236c6df 100644
--- a/include/linux/usb/typec_altmode.h
+++ b/include/linux/usb/typec_altmode.h
@@ -126,13 +126,6 @@ void typec_altmode_put_plug(struct typec_altmode *plug);
struct typec_altmode *typec_match_altmode(struct typec_altmode **altmodes,
size_t n, u16 svid, u8 mode);
-struct typec_altmode *
-typec_altmode_register_notifier(struct device *dev, u16 svid, u8 mode,
- struct notifier_block *nb);
-
-void typec_altmode_unregister_notifier(struct typec_altmode *adev,
- struct notifier_block *nb);
-
/**
* typec_altmode_get_orientation - Get cable plug orientation
* altmode: Handle to the alternate mode
diff --git a/include/linux/usb/typec_mux.h b/include/linux/usb/typec_mux.h
index be7292c0be5e..a9d9957933dc 100644
--- a/include/linux/usb/typec_mux.h
+++ b/include/linux/usb/typec_mux.h
@@ -3,6 +3,7 @@
#ifndef __USB_TYPEC_MUX
#define __USB_TYPEC_MUX
+#include <linux/property.h>
#include <linux/usb/typec.h>
struct device;
@@ -17,11 +18,20 @@ typedef int (*typec_switch_set_fn_t)(struct typec_switch *sw,
struct typec_switch_desc {
struct fwnode_handle *fwnode;
typec_switch_set_fn_t set;
+ const char *name;
void *drvdata;
};
-struct typec_switch *typec_switch_get(struct device *dev);
+struct typec_switch *fwnode_typec_switch_get(struct fwnode_handle *fwnode);
void typec_switch_put(struct typec_switch *sw);
+int typec_switch_set(struct typec_switch *sw,
+ enum typec_orientation orientation);
+
+static inline struct typec_switch *typec_switch_get(struct device *dev)
+{
+ return fwnode_typec_switch_get(dev_fwnode(dev));
+}
+
struct typec_switch *
typec_switch_register(struct device *parent,
const struct typec_switch_desc *desc);
@@ -42,12 +52,21 @@ typedef int (*typec_mux_set_fn_t)(struct typec_mux *mux,
struct typec_mux_desc {
struct fwnode_handle *fwnode;
typec_mux_set_fn_t set;
+ const char *name;
void *drvdata;
};
-struct typec_mux *
-typec_mux_get(struct device *dev, const struct typec_altmode_desc *desc);
+struct typec_mux *fwnode_typec_mux_get(struct fwnode_handle *fwnode,
+ const struct typec_altmode_desc *desc);
void typec_mux_put(struct typec_mux *mux);
+int typec_mux_set(struct typec_mux *mux, struct typec_mux_state *state);
+
+static inline struct typec_mux *
+typec_mux_get(struct device *dev, const struct typec_altmode_desc *desc)
+{
+ return fwnode_typec_mux_get(dev_fwnode(dev), desc);
+}
+
struct typec_mux *
typec_mux_register(struct device *parent, const struct typec_mux_desc *desc);
void typec_mux_unregister(struct typec_mux *mux);
diff --git a/include/linux/usb/typec_tbt.h b/include/linux/usb/typec_tbt.h
new file mode 100644
index 000000000000..47c2d501ddce
--- /dev/null
+++ b/include/linux/usb/typec_tbt.h
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __USB_TYPEC_TBT_H
+#define __USB_TYPEC_TBT_H
+
+#include <linux/usb/typec_altmode.h>
+
+#define USB_TYPEC_VENDOR_INTEL 0x8087
+/* Alias for convenience */
+#define USB_TYPEC_TBT_SID USB_TYPEC_VENDOR_INTEL
+
+/* Connector state for Thunderbolt3 */
+#define TYPEC_TBT_MODE TYPEC_STATE_MODAL
+
+/**
+ * struct typec_thunderbolt_data - Thundebolt3 Alt Mode specific data
+ * @device_mode: Device Discover Mode VDO
+ * @cable_mode: Cable Discover Mode VDO
+ * @enter_vdo: Enter Mode VDO
+ */
+struct typec_thunderbolt_data {
+ u32 device_mode;
+ u32 cable_mode;
+ u32 enter_vdo;
+};
+
+/* TBT3 Device Discover Mode VDO bits */
+#define TBT_MODE BIT(0)
+#define TBT_ADAPTER(_vdo_) (((_vdo_) & BIT(16)) >> 16)
+#define TBT_ADAPTER_LEGACY 0
+#define TBT_ADAPTER_TBT3 1
+#define TBT_INTEL_SPECIFIC_B0 BIT(26)
+#define TBT_VENDOR_SPECIFIC_B0 BIT(30)
+#define TBT_VENDOR_SPECIFIC_B1 BIT(31)
+
+#define TBT_SET_ADAPTER(a) (((a) & 1) << 16)
+
+/* TBT3 Cable Discover Mode VDO bits */
+#define TBT_CABLE_SPEED(_vdo_) (((_vdo_) & GENMASK(18, 16)) >> 16)
+#define TBT_CABLE_USB3_GEN1 1
+#define TBT_CABLE_USB3_PASSIVE 2
+#define TBT_CABLE_10_AND_20GBPS 3
+#define TBT_CABLE_ROUNDED BIT(19)
+#define TBT_CABLE_OPTICAL BIT(21)
+#define TBT_CABLE_RETIMER BIT(22)
+#define TBT_CABLE_LINK_TRAINING BIT(23)
+
+#define TBT_SET_CABLE_SPEED(_s_) (((_s_) & GENMASK(2, 0)) << 16)
+
+/* TBT3 Device Enter Mode VDO bits */
+#define TBT_ENTER_MODE_CABLE_SPEED(s) TBT_SET_CABLE_SPEED(s)
+#define TBT_ENTER_MODE_ACTIVE_CABLE BIT(24)
+
+#endif /* __USB_TYPEC_TBT_H */
diff --git a/include/linux/usb_usual.h b/include/linux/usb_usual.h
index 000a5954b2e8..4a19ac3f24d0 100644
--- a/include/linux/usb_usual.h
+++ b/include/linux/usb_usual.h
@@ -92,6 +92,6 @@ enum { US_DO_ALL_FLAGS };
#include <linux/usb/storage.h>
extern int usb_usual_ignore_device(struct usb_interface *intf);
-extern struct usb_device_id usb_storage_usb_ids[];
+extern const struct usb_device_id usb_storage_usb_ids[];
#endif /* __LINUX_USB_USUAL_H */
diff --git a/include/linux/usbdevice_fs.h b/include/linux/usbdevice_fs.h
index 79aab0065ec8..14ea197ce37f 100644
--- a/include/linux/usbdevice_fs.h
+++ b/include/linux/usbdevice_fs.h
@@ -69,7 +69,7 @@ struct usbdevfs_urb32 {
compat_int_t error_count;
compat_uint_t signr;
compat_caddr_t usercontext; /* unused */
- struct usbdevfs_iso_packet_desc iso_frame_desc[0];
+ struct usbdevfs_iso_packet_desc iso_frame_desc[];
};
struct usbdevfs_ioctl32 {
diff --git a/include/uapi/linux/usb/raw_gadget.h b/include/uapi/linux/usb/raw_gadget.h
new file mode 100644
index 000000000000..ea375082b3ac
--- /dev/null
+++ b/include/uapi/linux/usb/raw_gadget.h
@@ -0,0 +1,167 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * USB Raw Gadget driver.
+ *
+ * See Documentation/usb/raw-gadget.rst for more details.
+ */
+
+#ifndef _UAPI__LINUX_USB_RAW_GADGET_H
+#define _UAPI__LINUX_USB_RAW_GADGET_H
+
+#include <asm/ioctl.h>
+#include <linux/types.h>
+#include <linux/usb/ch9.h>
+
+/* Maximum length of driver_name/device_name in the usb_raw_init struct. */
+#define UDC_NAME_LENGTH_MAX 128
+
+/*
+ * struct usb_raw_init - argument for USB_RAW_IOCTL_INIT ioctl.
+ * @speed: The speed of the emulated USB device, takes the same values as
+ * the usb_device_speed enum: USB_SPEED_FULL, USB_SPEED_HIGH, etc.
+ * @driver_name: The name of the UDC driver.
+ * @device_name: The name of a UDC instance.
+ *
+ * The last two fields identify a UDC the gadget driver should bind to.
+ * For example, Dummy UDC has "dummy_udc" as its driver_name and "dummy_udc.N"
+ * as its device_name, where N in the index of the Dummy UDC instance.
+ * At the same time the dwc2 driver that is used on Raspberry Pi Zero, has
+ * "20980000.usb" as both driver_name and device_name.
+ */
+struct usb_raw_init {
+ __u8 driver_name[UDC_NAME_LENGTH_MAX];
+ __u8 device_name[UDC_NAME_LENGTH_MAX];
+ __u8 speed;
+};
+
+/* The type of event fetched with the USB_RAW_IOCTL_EVENT_FETCH ioctl. */
+enum usb_raw_event_type {
+ USB_RAW_EVENT_INVALID = 0,
+
+ /* This event is queued when the driver has bound to a UDC. */
+ USB_RAW_EVENT_CONNECT = 1,
+
+ /* This event is queued when a new control request arrived to ep0. */
+ USB_RAW_EVENT_CONTROL = 2,
+
+ /* The list might grow in the future. */
+};
+
+/*
+ * struct usb_raw_event - argument for USB_RAW_IOCTL_EVENT_FETCH ioctl.
+ * @type: The type of the fetched event.
+ * @length: Length of the data buffer. Updated by the driver and set to the
+ * actual length of the fetched event data.
+ * @data: A buffer to store the fetched event data.
+ *
+ * Currently the fetched data buffer is empty for USB_RAW_EVENT_CONNECT,
+ * and contains struct usb_ctrlrequest for USB_RAW_EVENT_CONTROL.
+ */
+struct usb_raw_event {
+ __u32 type;
+ __u32 length;
+ __u8 data[0];
+};
+
+#define USB_RAW_IO_FLAGS_ZERO 0x0001
+#define USB_RAW_IO_FLAGS_MASK 0x0001
+
+static inline int usb_raw_io_flags_valid(__u16 flags)
+{
+ return (flags & ~USB_RAW_IO_FLAGS_MASK) == 0;
+}
+
+static inline int usb_raw_io_flags_zero(__u16 flags)
+{
+ return (flags & USB_RAW_IO_FLAGS_ZERO);
+}
+
+/*
+ * struct usb_raw_ep_io - argument for USB_RAW_IOCTL_EP0/EP_WRITE/READ ioctls.
+ * @ep: Endpoint handle as returned by USB_RAW_IOCTL_EP_ENABLE for
+ * USB_RAW_IOCTL_EP_WRITE/READ. Ignored for USB_RAW_IOCTL_EP0_WRITE/READ.
+ * @flags: When USB_RAW_IO_FLAGS_ZERO is specified, the zero flag is set on
+ * the submitted USB request, see include/linux/usb/gadget.h for details.
+ * @length: Length of data.
+ * @data: Data to send for USB_RAW_IOCTL_EP0/EP_WRITE. Buffer to store received
+ * data for USB_RAW_IOCTL_EP0/EP_READ.
+ */
+struct usb_raw_ep_io {
+ __u16 ep;
+ __u16 flags;
+ __u32 length;
+ __u8 data[0];
+};
+
+/*
+ * Initializes a Raw Gadget instance.
+ * Accepts a pointer to the usb_raw_init struct as an argument.
+ * Returns 0 on success or negative error code on failure.
+ */
+#define USB_RAW_IOCTL_INIT _IOW('U', 0, struct usb_raw_init)
+
+/*
+ * Instructs Raw Gadget to bind to a UDC and start emulating a USB device.
+ * Returns 0 on success or negative error code on failure.
+ */
+#define USB_RAW_IOCTL_RUN _IO('U', 1)
+
+/*
+ * A blocking ioctl that waits for an event and returns fetched event data to
+ * the user.
+ * Accepts a pointer to the usb_raw_event struct.
+ * Returns 0 on success or negative error code on failure.
+ */
+#define USB_RAW_IOCTL_EVENT_FETCH _IOR('U', 2, struct usb_raw_event)
+
+/*
+ * Queues an IN (OUT for READ) urb as a response to the last control request
+ * received on endpoint 0, provided that was an IN (OUT for READ) request and
+ * waits until the urb is completed. Copies received data to user for READ.
+ * Accepts a pointer to the usb_raw_ep_io struct as an argument.
+ * Returns length of trasferred data on success or negative error code on
+ * failure.
+ */
+#define USB_RAW_IOCTL_EP0_WRITE _IOW('U', 3, struct usb_raw_ep_io)
+#define USB_RAW_IOCTL_EP0_READ _IOWR('U', 4, struct usb_raw_ep_io)
+
+/*
+ * Finds an endpoint that supports the transfer type specified in the
+ * descriptor and enables it.
+ * Accepts a pointer to the usb_endpoint_descriptor struct as an argument.
+ * Returns enabled endpoint handle on success or negative error code on failure.
+ */
+#define USB_RAW_IOCTL_EP_ENABLE _IOW('U', 5, struct usb_endpoint_descriptor)
+
+/* Disables specified endpoint.
+ * Accepts endpoint handle as an argument.
+ * Returns 0 on success or negative error code on failure.
+ */
+#define USB_RAW_IOCTL_EP_DISABLE _IOW('U', 6, __u32)
+
+/*
+ * Queues an IN (OUT for READ) urb as a response to the last control request
+ * received on endpoint usb_raw_ep_io.ep, provided that was an IN (OUT for READ)
+ * request and waits until the urb is completed. Copies received data to user
+ * for READ.
+ * Accepts a pointer to the usb_raw_ep_io struct as an argument.
+ * Returns length of trasferred data on success or negative error code on
+ * failure.
+ */
+#define USB_RAW_IOCTL_EP_WRITE _IOW('U', 7, struct usb_raw_ep_io)
+#define USB_RAW_IOCTL_EP_READ _IOWR('U', 8, struct usb_raw_ep_io)
+
+/*
+ * Switches the gadget into the configured state.
+ * Returns 0 on success or negative error code on failure.
+ */
+#define USB_RAW_IOCTL_CONFIGURE _IO('U', 9)
+
+/*
+ * Constrains UDC VBUS power usage.
+ * Accepts current limit in 2 mA units as an argument.
+ * Returns 0 on success or negative error code on failure.
+ */
+#define USB_RAW_IOCTL_VBUS_DRAW _IOW('U', 10, __u32)
+
+#endif /* _UAPI__LINUX_USB_RAW_GADGET_H */