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Commit 562e7c71 authored by Tatyana Brokhman's avatar Tatyana Brokhman Committed by Greg Kroah-Hartman
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usb: usb3.0 ch9 definitions 



Adding SuperSpeed usb definitions as defined by ch9 of the USB3.0 spec.
This patch is a preparation for adding SuperSpeed support to the gadget
framework.

Signed-off-by: default avatarTatyana Brokhman <tlinder@codeaurora.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 0a6a717c

include/linux/usb/ch9.h

+57 −1
Original line number Diff line number Diff line
@@ -123,8 +123,23 @@ 
#define USB_DEVICE_A_ALT_HNP_SUPPORT	5	/* (otg) other RH port does */

#define USB_DEVICE_DEBUG_MODE		6	/* (special devices only) */



/*

 * New Feature Selectors as added by USB 3.0

 * See USB 3.0 spec Table 9-6

 */

#define USB_DEVICE_U1_ENABLE	48	/* dev may initiate U1 transition */

#define USB_DEVICE_U2_ENABLE	49	/* dev may initiate U2 transition */

#define USB_DEVICE_LTM_ENABLE	50	/* dev may send LTM */

#define USB_INTRF_FUNC_SUSPEND	0	/* function suspend */



#define USB_INTR_FUNC_SUSPEND_OPT_MASK	0xFF00



#define USB_ENDPOINT_HALT		0	/* IN/OUT will STALL */



/* Bit array elements as returned by the USB_REQ_GET_STATUS request. */

#define USB_DEV_STAT_U1_ENABLED		2	/* transition into U1 state */

#define USB_DEV_STAT_U2_ENABLED		3	/* transition into U2 state */

#define USB_DEV_STAT_LTM_ENABLED	4	/* Latency tolerance messages */



/**

 * struct usb_ctrlrequest - SETUP data for a USB device control request
@@ -675,6 +690,7 @@ struct usb_bos_descriptor { 
	__u8  bNumDeviceCaps;

} __attribute__((packed));



#define USB_DT_BOS_SIZE		5

/*-------------------------------------------------------------------------*/



/* USB_DT_DEVICE_CAPABILITY:  grouped with BOS */
@@ -712,16 +728,56 @@ struct usb_wireless_cap_descriptor { /* Ultra Wide Band */ 
	__u8  bReserved;

} __attribute__((packed));



/* USB 2.0 Extension descriptor */

#define	USB_CAP_TYPE_EXT		2



struct usb_ext_cap_descriptor {		/* Link Power Management */

	__u8  bLength;

	__u8  bDescriptorType;

	__u8  bDevCapabilityType;

	__u8  bmAttributes;

	__le32 bmAttributes;

#define USB_LPM_SUPPORT			(1 << 1)	/* supports LPM */

} __attribute__((packed));



#define USB_DT_USB_EXT_CAP_SIZE	7



/*

 * SuperSpeed USB Capability descriptor: Defines the set of SuperSpeed USB

 * specific device level capabilities

 */

#define		USB_SS_CAP_TYPE		3

struct usb_ss_cap_descriptor {		/* Link Power Management */

	__u8  bLength;

	__u8  bDescriptorType;

	__u8  bDevCapabilityType;

	__u8  bmAttributes;

#define USB_LTM_SUPPORT			(1 << 1) /* supports LTM */

	__le16 wSpeedSupported;

#define USB_LOW_SPEED_OPERATION		(1)	 /* Low speed operation */

#define USB_FULL_SPEED_OPERATION	(1 << 1) /* Full speed operation */

#define USB_HIGH_SPEED_OPERATION	(1 << 2) /* High speed operation */

#define USB_5GBPS_OPERATION		(1 << 3) /* Operation at 5Gbps */

	__u8  bFunctionalitySupport;

	__u8  bU1devExitLat;

	__le16 bU2DevExitLat;

} __attribute__((packed));



#define USB_DT_USB_SS_CAP_SIZE	10



/*

 * Container ID Capability descriptor: Defines the instance unique ID used to

 * identify the instance across all operating modes

 */

#define	CONTAINER_ID_TYPE	4

struct usb_ss_container_id_descriptor {

	__u8  bLength;

	__u8  bDescriptorType;

	__u8  bDevCapabilityType;

	__u8  bReserved;

	__u8  ContainerID[16]; /* 128-bit number */

} __attribute__((packed));



#define USB_DT_USB_SS_CONTN_ID_SIZE	20

/*-------------------------------------------------------------------------*/



/* USB_DT_WIRELESS_ENDPOINT_COMP:  companion descriptor associated with