svn commit: r215502 - in stable/8/sys/dev/usb: . net serial storage

Andrew Thompson thompsa at FreeBSD.org
Fri Nov 19 01:50:23 UTC 2010


Author: thompsa
Date: Fri Nov 19 01:50:22 2010
New Revision: 215502
URL: http://svn.freebsd.org/changeset/base/215502

Log:
  MFC r212136
  
   Reduce the need to accesss struct usb_device by providing functions to access
   the product, manufacturer and serial strings.

Modified:
  stable/8/sys/dev/usb/net/uhso.c
  stable/8/sys/dev/usb/serial/ubser.c
  stable/8/sys/dev/usb/storage/umass.c
  stable/8/sys/dev/usb/usb_device.c
  stable/8/sys/dev/usb/usb_generic.c
  stable/8/sys/dev/usb/usb_hub.c
  stable/8/sys/dev/usb/usbdi_util.h
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)
  stable/8/sys/dev/xen/xenpci/   (props changed)

Modified: stable/8/sys/dev/usb/net/uhso.c
==============================================================================
--- stable/8/sys/dev/usb/net/uhso.c	Fri Nov 19 01:49:22 2010	(r215501)
+++ stable/8/sys/dev/usb/net/uhso.c	Fri Nov 19 01:50:22 2010	(r215502)
@@ -62,13 +62,11 @@ __FBSDID("$FreeBSD$");
 #define USB_DEBUG_VAR uhso_debug
 #include <dev/usb/usb_debug.h>
 #include <dev/usb/usb_process.h>
-#include <dev/usb/usb_device.h>
 #include <dev/usb/usb_busdma.h>
-#include <dev/usb/usb_controller.h>
-#include <dev/usb/usb_bus.h>
-#include <dev/usb/serial/usb_serial.h>
 #include <dev/usb/usb_msctest.h>
 
+#include <dev/usb/serial/usb_serial.h>
+
 struct uhso_tty {
 	struct uhso_softc *ht_sc;
 	struct usb_xfer	*ht_xfer[3];
@@ -513,7 +511,7 @@ uhso_probe(device_t self)
 		return (ENXIO);
 	if (uaa->info.bConfigIndex != 0)
 		return (ENXIO);
-	if (uaa->device->ddesc.bDeviceClass != 0xff)
+	if (uaa->info.bDeviceClass != 0xff)
 		return (ENXIO);
 
 	error = usbd_lookup_id_by_uaa(uhso_devs, sizeof(uhso_devs), uaa);
@@ -603,8 +601,9 @@ uhso_attach(device_t self)
 	/* Announce device */
 	device_printf(self, "<%s port> at <%s %s> on %s\n",
 	    uhso_port_type[UHSO_IFACE_PORT_TYPE(sc->sc_type)],
-	    uaa->device->manufacturer, uaa->device->product,
-	    device_get_nameunit(uaa->device->bus->bdev));
+	    usb_get_manufacturer(uaa->device),
+	    usb_get_product(uaa->device),
+	    device_get_nameunit(device_get_parent(self)));
 
 	if (sc->sc_ttys > 0) {
 		SYSCTL_ADD_INT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "ports",

Modified: stable/8/sys/dev/usb/serial/ubser.c
==============================================================================
--- stable/8/sys/dev/usb/serial/ubser.c	Fri Nov 19 01:49:22 2010	(r215501)
+++ stable/8/sys/dev/usb/serial/ubser.c	Fri Nov 19 01:50:22 2010	(r215502)
@@ -104,7 +104,6 @@ __FBSDID("$FreeBSD$");
 #define	USB_DEBUG_VAR ubser_debug
 #include <dev/usb/usb_debug.h>
 #include <dev/usb/usb_process.h>
-#include <dev/usb/usb_device.h>
 
 #include <dev/usb/serial/usb_serial.h>
 
@@ -226,7 +225,7 @@ ubser_probe(device_t dev)
 		return (ENXIO);
 	}
 	/* check if this is a BWCT vendor specific ubser interface */
-	if ((strcmp(uaa->device->manufacturer, "BWCT") == 0) &&
+	if ((strcmp(usb_get_manufacturer(uaa->device), "BWCT") == 0) &&
 	    (uaa->info.bInterfaceClass == 0xff) &&
 	    (uaa->info.bInterfaceSubClass == 0x00))
 		return (0);

Modified: stable/8/sys/dev/usb/storage/umass.c
==============================================================================
--- stable/8/sys/dev/usb/storage/umass.c	Fri Nov 19 01:49:22 2010	(r215501)
+++ stable/8/sys/dev/usb/storage/umass.c	Fri Nov 19 01:50:22 2010	(r215502)
@@ -124,7 +124,7 @@ __FBSDID("$FreeBSD$");
 
 #include <dev/usb/usb.h>
 #include <dev/usb/usbdi.h>
-#include <dev/usb/usb_device.h>
+#include <dev/usb/usbdi_util.h>
 #include "usbdevs.h"
 
 #include <dev/usb/quirk/usb_quirk.h>
@@ -2304,23 +2304,24 @@ umass_cam_action(struct cam_sim *sim, un
 			if (umass_std_transform(sc, ccb, cmd, ccb->csio.cdb_len)) {
 
 				if (sc->sc_transfer.cmd_data[0] == INQUIRY) {
+					const char *pserial;
+
+					pserial = usb_get_serial(sc->sc_udev);
 
 					/*
 					 * Umass devices don't generally report their serial numbers
 					 * in the usual SCSI way.  Emulate it here.
 					 */
 					if ((sc->sc_transfer.cmd_data[1] & SI_EVPD) &&
-					    sc->sc_transfer.cmd_data[2] == SVPD_UNIT_SERIAL_NUMBER &&
-					    sc->sc_udev != NULL &&
-					    sc->sc_udev->serial != NULL &&
-					    sc->sc_udev->serial[0] != '\0') {
+					    (sc->sc_transfer.cmd_data[2] == SVPD_UNIT_SERIAL_NUMBER) &&
+					    (pserial[0] != '\0')) {
 						struct scsi_vpd_unit_serial_number *vpd_serial;
 
 						vpd_serial = (struct scsi_vpd_unit_serial_number *)ccb->csio.data_ptr;
-						vpd_serial->length = strlen(sc->sc_udev->serial);
+						vpd_serial->length = strlen(pserial);
 						if (vpd_serial->length > sizeof(vpd_serial->serial_num))
 							vpd_serial->length = sizeof(vpd_serial->serial_num);
-						memcpy(vpd_serial->serial_num, sc->sc_udev->serial, vpd_serial->length);
+						memcpy(vpd_serial->serial_num, pserial, vpd_serial->length);
 						ccb->csio.scsi_status = SCSI_STATUS_OK;
 						ccb->ccb_h.status = CAM_REQ_CMP;
 						xpt_done(ccb);
@@ -2553,9 +2554,7 @@ umass_cam_cb(struct umass_softc *sc, uni
 		    sc->sc_transfer.cmd_data[0] == INQUIRY &&
 		    (sc->sc_transfer.cmd_data[1] & SI_EVPD) &&
 		    sc->sc_transfer.cmd_data[2] == SVPD_SUPPORTED_PAGE_LIST &&
-		    sc->sc_udev != NULL &&
-		    sc->sc_udev->serial != NULL &&
-		    sc->sc_udev->serial[0] != '\0') {
+		    (usb_get_serial(sc->sc_udev)[0] != '\0')) {
 			struct ccb_scsiio *csio;
 			struct scsi_vpd_supported_page_list *page_list;
 

Modified: stable/8/sys/dev/usb/usb_device.c
==============================================================================
--- stable/8/sys/dev/usb/usb_device.c	Fri Nov 19 01:49:22 2010	(r215501)
+++ stable/8/sys/dev/usb/usb_device.c	Fri Nov 19 01:50:22 2010	(r215502)
@@ -136,6 +136,24 @@ usb_statestr(enum usb_dev_state state)
 	return ((state < USB_STATE_MAX) ? statestr[state] : "UNKNOWN");
 }
 
+const char *
+usb_get_manufacturer(struct usb_device *udev)
+{
+	return (udev->manufacturer ? udev->manufacturer : "Unknown");
+}
+
+const char *
+usb_get_product(struct usb_device *udev)
+{
+	return (udev->product ? udev->product : "");
+}
+
+const char *
+usb_get_serial(struct usb_device *udev)
+{
+	return (udev->serial ? udev->serial : "");
+}
+
 /*------------------------------------------------------------------------*
  *	usbd_get_ep_by_addr
  *
@@ -1833,7 +1851,8 @@ config_done:
 	udev->ugen_symlink = usb_alloc_symlink(udev->ugen_name);
 
 	/* Announce device */
-	printf("%s: <%s> at %s\n", udev->ugen_name, udev->manufacturer,
+	printf("%s: <%s> at %s\n", udev->ugen_name,
+	    usb_get_manufacturer(udev),
 	    device_get_nameunit(udev->bus->bdev));
 
 	usb_notify_addq("ATTACH", udev);
@@ -1985,7 +2004,7 @@ usb_free_device(struct usb_device *udev,
 	usb_notify_addq("DETACH", udev);
 
 	printf("%s: <%s> at %s (disconnected)\n", udev->ugen_name,
-	    udev->manufacturer, device_get_nameunit(bus->bdev));
+	    usb_get_manufacturer(udev), device_get_nameunit(bus->bdev));
 
 	/* Destroy UGEN symlink, if any */
 	if (udev->ugen_symlink) {
@@ -2150,7 +2169,8 @@ usb_devinfo(struct usb_device *udev, cha
 	if (udd->bDeviceClass != 0xFF) {
 		snprintf(dst_ptr, dst_len, "%s %s, class %d/%d, rev %x.%02x/"
 		    "%x.%02x, addr %d",
-		    udev->manufacturer, udev->product,
+		    usb_get_manufacturer(udev),
+		    usb_get_product(udev),
 		    udd->bDeviceClass, udd->bDeviceSubClass,
 		    (bcdUSB >> 8), bcdUSB & 0xFF,
 		    (bcdDevice >> 8), bcdDevice & 0xFF,
@@ -2158,7 +2178,8 @@ usb_devinfo(struct usb_device *udev, cha
 	} else {
 		snprintf(dst_ptr, dst_len, "%s %s, rev %x.%02x/"
 		    "%x.%02x, addr %d",
-		    udev->manufacturer, udev->product,
+		    usb_get_manufacturer(udev),
+		    usb_get_product(udev),
 		    (bcdUSB >> 8), bcdUSB & 0xFF,
 		    (bcdDevice >> 8), bcdDevice & 0xFF,
 		    udev->address);
@@ -2397,7 +2418,7 @@ usb_notify_addq_compat(const char *type,
 	    UGETW(udev->ddesc.idProduct),
 	    udev->ddesc.bDeviceClass,
 	    udev->ddesc.bDeviceSubClass,
-	    udev->serial,
+	    usb_get_serial(udev),
 	    UGETW(udev->ddesc.bcdDevice),
 	    udev->port_no,
 	    udev->parent_hub != NULL ?
@@ -2437,7 +2458,7 @@ usb_notify_addq(const char *type, struct
 	    UGETW(udev->ddesc.idProduct),
 	    udev->ddesc.bDeviceClass,
 	    udev->ddesc.bDeviceSubClass,
-	    udev->serial,
+	    usb_get_serial(udev),
 	    UGETW(udev->ddesc.bcdDevice),
 	    (udev->flags.usb_mode == USB_MODE_HOST) ? "host" : "device",
 	    udev->port_no,
@@ -2476,7 +2497,7 @@ usb_notify_addq(const char *type, struct
 		    UGETW(udev->ddesc.idProduct),
 		    udev->ddesc.bDeviceClass,
 		    udev->ddesc.bDeviceSubClass,
-		    udev->serial,
+		    usb_get_serial(udev),
 		    UGETW(udev->ddesc.bcdDevice),
 		    (udev->flags.usb_mode == USB_MODE_HOST) ? "host" : "device",
 		    iface->idesc->bInterfaceNumber,

Modified: stable/8/sys/dev/usb/usb_generic.c
==============================================================================
--- stable/8/sys/dev/usb/usb_generic.c	Fri Nov 19 01:49:22 2010	(r215501)
+++ stable/8/sys/dev/usb/usb_generic.c	Fri Nov 19 01:50:22 2010	(r215502)
@@ -825,9 +825,9 @@ usb_gen_fill_deviceinfo(struct usb_fifo 
 	di->udi_bus = device_get_unit(udev->bus->bdev);
 	di->udi_addr = udev->address;
 	di->udi_index = udev->device_index;
-	strlcpy(di->udi_serial, udev->serial, sizeof(di->udi_serial));
-	strlcpy(di->udi_vendor, udev->manufacturer, sizeof(di->udi_vendor));
-	strlcpy(di->udi_product, udev->product, sizeof(di->udi_product));
+	strlcpy(di->udi_serial, usb_get_serial(udev), sizeof(di->udi_serial));
+	strlcpy(di->udi_vendor, usb_get_manufacturer(udev), sizeof(di->udi_vendor));
+	strlcpy(di->udi_product, usb_get_product(udev), sizeof(di->udi_product));
 	usb_printbcd(di->udi_release, sizeof(di->udi_release),
 	    UGETW(udev->ddesc.bcdDevice));
 	di->udi_vendorNo = UGETW(udev->ddesc.idVendor);

Modified: stable/8/sys/dev/usb/usb_hub.c
==============================================================================
--- stable/8/sys/dev/usb/usb_hub.c	Fri Nov 19 01:49:22 2010	(r215501)
+++ stable/8/sys/dev/usb/usb_hub.c	Fri Nov 19 01:50:22 2010	(r215502)
@@ -53,6 +53,7 @@
 #include <dev/usb/usb.h>
 #include <dev/usb/usb_ioctl.h>
 #include <dev/usb/usbdi.h>
+#include <dev/usb/usbdi_util.h>
 
 #define	USB_DEBUG_VAR uhub_debug
 
@@ -1059,7 +1060,7 @@ uhub_child_pnpinfo_string(device_t paren
 		    UGETW(res.udev->ddesc.idProduct),
 		    res.udev->ddesc.bDeviceClass,
 		    res.udev->ddesc.bDeviceSubClass,
-		    res.udev->serial,
+		    usb_get_serial(res.udev),
 		    UGETW(res.udev->ddesc.bcdDevice),
 		    iface->idesc->bInterfaceClass,
 		    iface->idesc->bInterfaceSubClass);

Modified: stable/8/sys/dev/usb/usbdi_util.h
==============================================================================
--- stable/8/sys/dev/usb/usbdi_util.h	Fri Nov 19 01:49:22 2010	(r215501)
+++ stable/8/sys/dev/usb/usbdi_util.h	Fri Nov 19 01:50:22 2010	(r215502)
@@ -78,4 +78,11 @@ usb_error_t usbd_req_set_protocol(struct
 usb_error_t usbd_req_set_report(struct usb_device *udev, struct mtx *mtx,
 		    void *data, uint16_t len, uint8_t iface_index,
 		    uint8_t type, uint8_t id);
+
+/* The following functions will not return NULL strings. */
+
+const char *usb_get_manufacturer(struct usb_device *);
+const char *usb_get_product(struct usb_device *);
+const char *usb_get_serial(struct usb_device *);
+
 #endif /* _USB_USBDI_UTIL_H_ */


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