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Diffstat (limited to 'include/linux/usb.h')
-rw-r--r--include/linux/usb.h41
1 files changed, 24 insertions, 17 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 9e52179872a5..1b2545b4363b 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -51,6 +51,7 @@ struct ep_device;
* @desc: descriptor for this endpoint, wMaxPacketSize in native byteorder
* @ss_ep_comp: SuperSpeed companion descriptor for this endpoint
* @ssp_isoc_ep_comp: SuperSpeedPlus isoc companion descriptor for this endpoint
+ * @eusb2_isoc_ep_comp: eUSB2 isoc companion descriptor for this endpoint
* @urb_list: urbs queued to this endpoint; maintained by usbcore
* @hcpriv: for use by HCD; typically holds hardware dma queue head (QH)
* with one or more transfer descriptors (TDs) per urb
@@ -64,9 +65,10 @@ struct ep_device;
* descriptor within an active interface in a given USB configuration.
*/
struct usb_host_endpoint {
- struct usb_endpoint_descriptor desc;
- struct usb_ss_ep_comp_descriptor ss_ep_comp;
- struct usb_ssp_isoc_ep_comp_descriptor ssp_isoc_ep_comp;
+ struct usb_endpoint_descriptor desc;
+ struct usb_ss_ep_comp_descriptor ss_ep_comp;
+ struct usb_ssp_isoc_ep_comp_descriptor ssp_isoc_ep_comp;
+ struct usb_eusb2_isoc_ep_comp_descriptor eusb2_isoc_ep_comp;
struct list_head urb_list;
void *hcpriv;
struct ep_device *ep_dev; /* For sysfs info */
@@ -440,11 +442,6 @@ int __usb_get_extra_descriptor(char *buffer, unsigned size,
/* ----------------------------------------------------------------------- */
-/* USB device number allocation bitmap */
-struct usb_devmap {
- unsigned long devicemap[128 / (8*sizeof(unsigned long))];
-};
-
/*
* Allocated per bus (tree of devices) we have:
*/
@@ -472,7 +469,7 @@ struct usb_bus {
* round-robin allocation */
struct mutex devnum_next_mutex; /* devnum_next mutex */
- struct usb_devmap devmap; /* device address allocation map */
+ DECLARE_BITMAP(devmap, 128); /* USB device number allocation bitmap */
struct usb_device *root_hub; /* Root hub */
struct usb_bus *hs_companion; /* Companion EHCI bus, if any */
@@ -500,6 +497,12 @@ struct usb_dev_state;
struct usb_tt;
+enum usb_link_tunnel_mode {
+ USB_LINK_UNKNOWN = 0,
+ USB_LINK_NATIVE,
+ USB_LINK_TUNNELED,
+};
+
enum usb_port_connect_type {
USB_PORT_CONNECT_TYPE_UNKNOWN = 0,
USB_PORT_CONNECT_TYPE_HOT_PLUG,
@@ -610,6 +613,7 @@ struct usb3_lpm_parameters {
* WUSB devices are not, until we authorize them from user space.
* FIXME -- complete doc
* @authenticated: Crypto authentication passed
+ * @tunnel_mode: Connection native or tunneled over USB4
* @lpm_capable: device supports LPM
* @lpm_devinit_allow: Allow USB3 device initiated LPM, exit latency is in range
* @usb2_hw_lpm_capable: device can perform USB2 hardware LPM
@@ -719,6 +723,7 @@ struct usb_device {
unsigned do_remote_wakeup:1;
unsigned reset_resume:1;
unsigned port_is_suspended:1;
+ enum usb_link_tunnel_mode tunnel_mode;
int slot_id;
struct usb2_lpm_parameters l1_params;
@@ -810,10 +815,10 @@ static inline void usb_mark_last_busy(struct usb_device *udev)
#else
-static inline int usb_enable_autosuspend(struct usb_device *udev)
-{ return 0; }
-static inline int usb_disable_autosuspend(struct usb_device *udev)
-{ return 0; }
+static inline void usb_enable_autosuspend(struct usb_device *udev)
+{ }
+static inline void usb_disable_autosuspend(struct usb_device *udev)
+{ }
static inline int usb_autopm_get_interface(struct usb_interface *intf)
{ return 0; }
@@ -1126,8 +1131,8 @@ static inline int usb_make_path(struct usb_device *dev, char *buf, size_t size)
/* ----------------------------------------------------------------------- */
/* Stuff for dynamic usb ids */
+extern struct mutex usb_dynids_lock;
struct usb_dynids {
- spinlock_t lock;
struct list_head list;
};
@@ -1176,6 +1181,7 @@ extern ssize_t usb_show_dynids(struct usb_dynids *dynids, char *buf);
* post_reset method is called.
* @post_reset: Called by usb_reset_device() after the device
* has been reset
+ * @shutdown: Called at shut-down time to quiesce the device.
* @id_table: USB drivers use ID table to support hotplugging.
* Export this with MODULE_DEVICE_TABLE(usb,...). This must be set
* or your driver's probe function will never get called.
@@ -1227,6 +1233,8 @@ struct usb_driver {
int (*pre_reset)(struct usb_interface *intf);
int (*post_reset)(struct usb_interface *intf);
+ void (*shutdown)(struct usb_interface *intf);
+
const struct usb_device_id *id_table;
const struct attribute_group **dev_groups;
@@ -1237,7 +1245,7 @@ struct usb_driver {
unsigned int disable_hub_initiated_lpm:1;
unsigned int soft_unbind:1;
};
-#define to_usb_driver(d) container_of(d, struct usb_driver, driver)
+#define to_usb_driver(d) container_of_const(d, struct usb_driver, driver)
/**
* struct usb_device_driver - identifies USB device driver to usbcore
@@ -1288,8 +1296,7 @@ struct usb_device_driver {
unsigned int supports_autosuspend:1;
unsigned int generic_subclass:1;
};
-#define to_usb_device_driver(d) container_of(d, struct usb_device_driver, \
- driver)
+#define to_usb_device_driver(d) container_of_const(d, struct usb_device_driver, driver)
/**
* struct usb_class_driver - identifies a USB driver that wants to use the USB major number