kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/include/uapi/linux/usbdevice_fs.h
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@@ -76,6 +76,26 @@
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 	unsigned char slow;
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 };
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+struct usbdevfs_conninfo_ex {
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+	__u32 size;		/* Size of the structure from the kernel's */
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+				/* point of view. Can be used by userspace */
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+				/* to determine how much data can be       */
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+				/* used/trusted.                           */
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+	__u32 busnum;           /* USB bus number, as enumerated by the    */
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+				/* kernel, the device is connected to.     */
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+	__u32 devnum;           /* Device address on the bus.              */
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+	__u32 speed;		/* USB_SPEED_* constants from ch9.h        */
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+	__u8 num_ports;		/* Number of ports the device is connected */
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+				/* to on the way to the root hub. It may   */
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+				/* be bigger than size of 'ports' array so */
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+				/* userspace can detect overflows.         */
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+	__u8 ports[7];		/* List of ports on the way from the root  */
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+				/* hub to the device. Current limit in     */
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+				/* USB specification is 7 tiers (root hub, */
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+				/* 5 intermediate hubs, device), which     */
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+				/* gives at most 6 port entries.           */
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+};
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+
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 #define USBDEVFS_URB_SHORT_NOT_OK	0x01
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 #define USBDEVFS_URB_ISO_ASAP		0x02
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 #define USBDEVFS_URB_BULK_CONTINUATION	0x04
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@@ -137,6 +157,8 @@
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 #define USBDEVFS_CAP_REAP_AFTER_DISCONNECT	0x10
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 #define USBDEVFS_CAP_MMAP			0x20
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 #define USBDEVFS_CAP_DROP_PRIVILEGES		0x40
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+#define USBDEVFS_CAP_CONNINFO_EX		0x80
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+#define USBDEVFS_CAP_SUSPEND			0x100
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 /* USBDEVFS_DISCONNECT_CLAIM flags & struct */
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@@ -197,5 +219,13 @@
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 #define USBDEVFS_FREE_STREAMS      _IOR('U', 29, struct usbdevfs_streams)
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 #define USBDEVFS_DROP_PRIVILEGES   _IOW('U', 30, __u32)
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 #define USBDEVFS_GET_SPEED         _IO('U', 31)
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+/*
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+ * Returns struct usbdevfs_conninfo_ex; length is variable to allow
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+ * extending size of the data returned.
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+ */
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+#define USBDEVFS_CONNINFO_EX(len)  _IOC(_IOC_READ, 'U', 32, len)
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+#define USBDEVFS_FORBID_SUSPEND    _IO('U', 33)
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+#define USBDEVFS_ALLOW_SUSPEND     _IO('U', 34)
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+#define USBDEVFS_WAIT_FOR_RESUME   _IO('U', 35)
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 #endif /* _UAPI_LINUX_USBDEVICE_FS_H */