- Export the USB device ID format to userspace tools.

MFC after:	14 days

1 files changed, 107 insertions, 0 deletions

diff --git a/sys/dev/usb/usb_lookup.c b/sys/dev/usb/usb_lookup.c
index 3b2d16d..e03f9b6 100644
--- a/sys/dev/usb/usb_lookup.c
+++ b/sys/dev/usb/usb_lookup.c
@@ -42,6 +42,8 @@
 #include <sys/callout.h>
 #include <sys/malloc.h>
 #include <sys/priv.h>
+#include <sys/limits.h>
+#include <sys/endian.h>
 
 #include <dev/usb/usb.h>
 #include <dev/usb/usbdi.h>
@@ -144,3 +146,108 @@ usbd_lookup_id_by_uaa(const struct usb_device_id *id, usb_size_t sizeof_id,
 	}
 	return (ENXIO);
 }
+
+/*------------------------------------------------------------------------*
+ *	Export the USB device ID format we use to userspace tools.
+ *------------------------------------------------------------------------*/
+#if BYTE_ORDER == BIG_ENDIAN
+#define	U16_XOR "8"
+#define	U32_XOR "12"
+#define	U64_XOR "56"
+#define	U8_BITFIELD_XOR "7"
+#define	U16_BITFIELD_XOR "15"
+#define	U32_BITFIELD_XOR "31"
+#define	U64_BITFIELD_XOR "63"
+#else
+#define	U16_XOR "0"
+#define	U32_XOR "0"
+#define	U64_XOR "0"
+#define	U8_BITFIELD_XOR "0"
+#define	U16_BITFIELD_XOR "0"
+#define	U32_BITFIELD_XOR "0"
+#define	U64_BITFIELD_XOR "0"
+#endif
+
+#if USB_HAVE_COMPAT_LINUX
+#define	MFL_SIZE "1"
+#else
+#define	MFL_SIZE "0"
+#endif
+
+#ifdef KLD_MODULE
+static const char __section("bus_autoconf_format") __used usb_id_format[] = {
+
+	/* Declare that three different sections use the same format */
+
+	"usb_host_id{256,:}"
+	"usb_device_id{256,:}"
+	"usb_dual_id{256,:}"
+
+	/* List size of fields in the usb_device_id structure */
+
+#if ULONG_MAX >= 0xFFFFFFFFUL
+	"unused{0,8}"
+	"unused{0,8}"
+	"unused{0,8}"
+	"unused{0,8}"
+#if ULONG_MAX >= 0xFFFFFFFFFFFFFFFFULL
+	"unused{0,8}"
+	"unused{0,8}"
+	"unused{0,8}"
+	"unused{0,8}"
+#endif
+#else
+#error "Please update code."
+#endif
+
+	"idVendor[0]{" U16_XOR ",8}"
+	"idVendor[1]{" U16_XOR ",8}"
+	"idProduct[0]{" U16_XOR ",8}"
+	"idProduct[1]{" U16_XOR ",8}"
+	"bcdDevice_lo[0]{" U16_XOR ",8}"
+	"bcdDevice_lo[1]{" U16_XOR ",8}"
+	"bcdDevice_hi[0]{" U16_XOR ",8}"
+	"bcdDevice_hi[1]{" U16_XOR ",8}"
+
+	"bDeviceClass{0,8}"
+	"bDeviceSubClass{0,8}"
+	"bDeviceProtocol{0,8}"
+	"bInterfaceClass{0,8}"
+	"bInterfaceSubClass{0,8}"
+	"bInterfaceProtocol{0,8}"
+
+	"mf_vendor{" U8_BITFIELD_XOR ",1}"
+	"mf_product{" U8_BITFIELD_XOR ",1}"
+	"mf_dev_lo{" U8_BITFIELD_XOR ",1}"
+	"mf_dev_hi{" U8_BITFIELD_XOR ",1}"
+
+	"mf_dev_class{" U8_BITFIELD_XOR ",1}"
+	"mf_dev_subclass{" U8_BITFIELD_XOR ",1}"
+	"mf_dev_protocol{" U8_BITFIELD_XOR ",1}"
+	"mf_int_class{" U8_BITFIELD_XOR ",1}"
+
+	"mf_int_subclass{" U8_BITFIELD_XOR ",1}"
+	"mf_int_protocol{" U8_BITFIELD_XOR ",1}"
+	"unused{" U8_BITFIELD_XOR ",6}"
+
+	"mfl_vendor{" U16_XOR "," MFL_SIZE "}"
+	"mfl_product{" U16_XOR "," MFL_SIZE "}"
+	"mfl_dev_lo{" U16_XOR "," MFL_SIZE "}"
+	"mfl_dev_hi{" U16_XOR "," MFL_SIZE "}"
+
+	"mfl_dev_class{" U16_XOR "," MFL_SIZE "}"
+	"mfl_dev_subclass{" U16_XOR "," MFL_SIZE "}"
+	"mfl_dev_protocol{" U16_XOR "," MFL_SIZE "}"
+	"mfl_int_class{" U16_XOR "," MFL_SIZE "}"
+
+	"mfl_int_subclass{" U16_XOR "," MFL_SIZE "}"
+	"mfl_int_protocol{" U16_XOR "," MFL_SIZE "}"
+	"unused{" U16_XOR "," MFL_SIZE "}"
+	"unused{" U16_XOR "," MFL_SIZE "}"
+
+	"unused{" U16_XOR "," MFL_SIZE "}"
+	"unused{" U16_XOR "," MFL_SIZE "}"
+	"unused{" U16_XOR "," MFL_SIZE "}"
+	"unused{" U16_XOR "," MFL_SIZE "}"
+};
+#endif