Compilable rusb for linux

1 files changed, 0 insertions, 1609 deletions

diff --git a/src/os/sunos_usb.c b/src/os/sunos_usb.c
deleted file mode 100644
index 28b167f..0000000
--- a/src/os/sunos_usb.c
+++ /dev/null
@@ -1,1609 +0,0 @@
-/*
- *
- * Copyright (c) 2016, Oracle and/or its affiliates.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <config.h>
-
-#include <sys/time.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <strings.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <wait.h>
-#include <unistd.h>
-#include <aio.h>
-#include <libdevinfo.h>
-#include <sys/nvpair.h>
-#include <sys/devctl.h>
-#include <sys/usb/clients/ugen/usb_ugen.h>
-#include <sys/usb/usba.h>
-#include <sys/pci.h>
-
-#include "libusbi.h"
-#include "sunos_usb.h"
-
-#define UPDATEDRV_PATH	"/usr/sbin/update_drv"
-#define UPDATEDRV	"update_drv"
-
-#define	DEFAULT_LISTSIZE	6
-
-typedef struct {
-	int	nargs;
-	int	listsize;
-	char	**string;
-} string_list_t;
-
-/*
- * Backend functions
- */
-static int sunos_get_device_list(struct libusb_context *,
-    struct discovered_devs **);
-static int sunos_open(struct libusb_device_handle *);
-static void sunos_close(struct libusb_device_handle *);
-static int sunos_get_active_config_descriptor(struct libusb_device *,
-    void *, size_t);
-static int sunos_get_config_descriptor(struct libusb_device *, uint8_t,
-    void *, size_t);
-static int sunos_get_configuration(struct libusb_device_handle *, uint8_t *);
-static int sunos_set_configuration(struct libusb_device_handle *, int);
-static int sunos_claim_interface(struct libusb_device_handle *, uint8_t);
-static int sunos_release_interface(struct libusb_device_handle *, uint8_t);
-static int sunos_set_interface_altsetting(struct libusb_device_handle *,
-    uint8_t, uint8_t);
-static int sunos_clear_halt(struct libusb_device_handle *, unsigned char);
-static void sunos_destroy_device(struct libusb_device *);
-static int sunos_submit_transfer(struct usbi_transfer *);
-static int sunos_cancel_transfer(struct usbi_transfer *);
-static int sunos_handle_transfer_completion(struct usbi_transfer *);
-static int sunos_kernel_driver_active(struct libusb_device_handle *, uint8_t);
-static int sunos_detach_kernel_driver(struct libusb_device_handle *, uint8_t);
-static int sunos_attach_kernel_driver(struct libusb_device_handle *, uint8_t);
-static int sunos_usb_open_ep0(sunos_dev_handle_priv_t *hpriv, sunos_dev_priv_t *dpriv);
-static int sunos_usb_ioctl(struct libusb_device *dev, int cmd);
-
-static int sunos_get_link(di_devlink_t devlink, void *arg)
-{
-	walk_link_t *larg = (walk_link_t *)arg;
-	const char *p;
-	const char *q;
-
-	if (larg->path) {
-		char *content = (char *)di_devlink_content(devlink);
-		char *start = strstr(content, "/devices/");
-		start += strlen("/devices");
-		usbi_dbg(NULL, "%s", start);
-
-		/* line content must have minor node */
-		if (start == NULL ||
-		    strncmp(start, larg->path, larg->len) != 0 ||
-		    start[larg->len] != ':')
-			return (DI_WALK_CONTINUE);
-	}
-
-	p = di_devlink_path(devlink);
-	q = strrchr(p, '/');
-	usbi_dbg(NULL, "%s", q);
-
-	*(larg->linkpp) = strndup(p, strlen(p) - strlen(q));
-
-	return (DI_WALK_TERMINATE);
-}
-
-
-static int sunos_physpath_to_devlink(
-	const char *node_path, const char *match, char **link_path)
-{
-	walk_link_t larg;
-	di_devlink_handle_t hdl;
-
-	*link_path = NULL;
-	larg.linkpp = link_path;
-	if ((hdl = di_devlink_init(NULL, 0)) == NULL) {
-		usbi_dbg(NULL, "di_devlink_init failure");
-		return (-1);
-	}
-
-	larg.len = strlen(node_path);
-	larg.path = (char *)node_path;
-
-	(void) di_devlink_walk(hdl, match, NULL, DI_PRIMARY_LINK,
-	    (void *)&larg, sunos_get_link);
-
-	(void) di_devlink_fini(&hdl);
-
-	if (*link_path == NULL) {
-		usbi_dbg(NULL, "there is no devlink for this path");
-		return (-1);
-	}
-
-	return 0;
-}
-
-static int
-sunos_usb_ioctl(struct libusb_device *dev, int cmd)
-{
-	int fd;
-	nvlist_t *nvlist;
-	char *end;
-	char *phypath;
-	char *hubpath;
-	char path_arg[PATH_MAX];
-	sunos_dev_priv_t *dpriv;
-	devctl_ap_state_t devctl_ap_state;
-	struct devctl_iocdata iocdata;
-
-	dpriv = usbi_get_device_priv(dev);
-	phypath = dpriv->phypath;
-
-	end = strrchr(phypath, '/');
-	if (end == NULL)
-		return (-1);
-	hubpath = strndup(phypath, end - phypath);
-	if (hubpath == NULL)
-		return (-1);
-
-	end = strrchr(hubpath, '@');
-	if (end == NULL) {
-		free(hubpath);
-		return (-1);
-	}
-	end++;
-	usbi_dbg(DEVICE_CTX(dev), "unitaddr: %s", end);
-
-	nvlist_alloc(&nvlist, NV_UNIQUE_NAME_TYPE, KM_NOSLEEP);
-	nvlist_add_int32(nvlist, "port", dev->port_number);
-	//find the hub path
-	snprintf(path_arg, sizeof(path_arg), "/devices%s:hubd", hubpath);
-	usbi_dbg(DEVICE_CTX(dev), "ioctl hub path: %s", path_arg);
-
-	fd = open(path_arg, O_RDONLY);
-	if (fd < 0) {
-		usbi_err(DEVICE_CTX(dev), "open failed: errno %d (%s)", errno, strerror(errno));
-		nvlist_free(nvlist);
-		free(hubpath);
-		return (-1);
-	}
-
-	memset(&iocdata, 0, sizeof(iocdata));
-	memset(&devctl_ap_state, 0, sizeof(devctl_ap_state));
-
-	nvlist_pack(nvlist, (char **)&iocdata.nvl_user, &iocdata.nvl_usersz, NV_ENCODE_NATIVE, 0);
-
-	iocdata.cmd = DEVCTL_AP_GETSTATE;
-	iocdata.flags = 0;
-	iocdata.c_nodename = (char *)"hub";
-	iocdata.c_unitaddr = end;
-	iocdata.cpyout_buf = &devctl_ap_state;
-	usbi_dbg(DEVICE_CTX(dev), "%p, %" PRIuPTR, iocdata.nvl_user, iocdata.nvl_usersz);
-
-	errno = 0;
-	if (ioctl(fd, DEVCTL_AP_GETSTATE, &iocdata) == -1) {
-		usbi_err(DEVICE_CTX(dev), "ioctl failed: fd %d, cmd %x, errno %d (%s)",
-			 fd, DEVCTL_AP_GETSTATE, errno, strerror(errno));
-	} else {
-		usbi_dbg(DEVICE_CTX(dev), "dev rstate: %d", devctl_ap_state.ap_rstate);
-		usbi_dbg(DEVICE_CTX(dev), "dev ostate: %d", devctl_ap_state.ap_ostate);
-	}
-
-	errno = 0;
-	iocdata.cmd = cmd;
-	if (ioctl(fd, (int)cmd, &iocdata) != 0) {
-		usbi_err(DEVICE_CTX(dev), "ioctl failed: fd %d, cmd %x, errno %d (%s)",
-			 fd, cmd, errno, strerror(errno));
-		sleep(2);
-	}
-
-	close(fd);
-	free(iocdata.nvl_user);
-	nvlist_free(nvlist);
-	free(hubpath);
-
-	return (-errno);
-}
-
-static int
-sunos_kernel_driver_active(struct libusb_device_handle *dev_handle, uint8_t interface)
-{
-	sunos_dev_priv_t *dpriv = usbi_get_device_priv(dev_handle->dev);
-
-	UNUSED(interface);
-
-	usbi_dbg(HANDLE_CTX(dev_handle), "%s", dpriv->ugenpath);
-
-	return (dpriv->ugenpath == NULL);
-}
-
-/*
- * Private functions
- */
-static int _errno_to_libusb(int);
-static int sunos_usb_get_status(struct libusb_context *ctx, int fd);
-
-static string_list_t *
-sunos_new_string_list(void)
-{
-	string_list_t *list;
-
-	list = calloc(1, sizeof(string_list_t));
-	if (list == NULL)
-		return (NULL);
-	list->string = calloc(DEFAULT_LISTSIZE, sizeof(char *));
-	if (list->string == NULL) {
-		free(list);
-		return (NULL);
-	}
-	list->nargs = 0;
-	list->listsize = DEFAULT_LISTSIZE;
-
-	return (list);
-}
-
-static int
-sunos_append_to_string_list(string_list_t *list, const char *arg)
-{
-	char	*str = strdup(arg);
-
-	if (str == NULL)
-		return (-1);
-
-	if ((list->nargs + 1) == list->listsize) { /* +1 is for NULL */
-		char	**tmp = realloc(list->string,
-		    sizeof(char *) * (list->listsize + 1));
-		if (tmp == NULL) {
-			free(str);
-			return (-1);
-		}
-		list->string = tmp;
-		list->string[list->listsize++] = NULL;
-	}
-	list->string[list->nargs++] = str;
-
-	return (0);
-}
-
-static void
-sunos_free_string_list(string_list_t *list)
-{
-	int	i;
-
-	for (i = 0; i < list->nargs; i++) {
-		free(list->string[i]);
-	}
-
-	free(list->string);
-	free(list);
-}
-
-static char **
-sunos_build_argv_list(string_list_t *list)
-{
-	return (list->string);
-}
-
-
-static int
-sunos_exec_command(struct libusb_context *ctx, const char *path,
-	string_list_t *list)
-{
-	pid_t pid;
-	int status;
-	int waitstat;
-	int exit_status;
-	char **argv_list;
-
-	argv_list = sunos_build_argv_list(list);
-	if (argv_list == NULL)
-		return (-1);
-
-	pid = fork();
-	if (pid == 0) {
-		/* child */
-		execv(path, argv_list);
-		_exit(127);
-	} else if (pid > 0) {
-		/* parent */
-		do {
-			waitstat = waitpid(pid, &status, 0);
-		} while ((waitstat == -1 && errno == EINTR) ||
-			 (waitstat == 0 && !WIFEXITED(status) && !WIFSIGNALED(status)));
-
-		if (waitstat == 0) {
-			if (WIFEXITED(status))
-				exit_status = WEXITSTATUS(status);
-			else
-				exit_status = WTERMSIG(status);
-		} else {
-			usbi_err(ctx, "waitpid failed: errno %d (%s)", errno, strerror(errno));
-			exit_status = -1;
-		}
-	} else {
-		/* fork failed */
-		usbi_err(ctx, "fork failed: errno %d (%s)", errno, strerror(errno));
-		exit_status = -1;
-	}
-
-	return (exit_status);
-}
-
-static int
-sunos_detach_kernel_driver(struct libusb_device_handle *dev_handle,
-	uint8_t interface_number)
-{
-	struct libusb_context *ctx = HANDLE_CTX(dev_handle);
-	string_list_t *list;
-	char path_arg[PATH_MAX];
-	sunos_dev_priv_t *dpriv;
-	int r;
-
-	UNUSED(interface_number);
-
-	dpriv = usbi_get_device_priv(dev_handle->dev);
-	snprintf(path_arg, sizeof(path_arg), "\'\"%s\"\'", dpriv->phypath);
-	usbi_dbg(HANDLE_CTX(dev_handle), "%s", path_arg);
-
-	list = sunos_new_string_list();
-	if (list == NULL)
-		return (LIBUSB_ERROR_NO_MEM);
-
-	/* attach ugen driver */
-	r = 0;
-	r |= sunos_append_to_string_list(list, UPDATEDRV);
-	r |= sunos_append_to_string_list(list, "-a"); /* add rule */
-	r |= sunos_append_to_string_list(list, "-i"); /* specific device */
-	r |= sunos_append_to_string_list(list, path_arg); /* physical path */
-	r |= sunos_append_to_string_list(list, "ugen");
-	if (r) {
-		sunos_free_string_list(list);
-		return (LIBUSB_ERROR_NO_MEM);
-	}
-
-	r = sunos_exec_command(ctx, UPDATEDRV_PATH, list);
-	sunos_free_string_list(list);
-	if (r < 0)
-		return (LIBUSB_ERROR_OTHER);
-
-	/* reconfigure the driver node */
-	r = 0;
-	r |= sunos_usb_ioctl(dev_handle->dev, DEVCTL_AP_DISCONNECT);
-	r |= sunos_usb_ioctl(dev_handle->dev, DEVCTL_AP_CONFIGURE);
-	if (r)
-		usbi_warn(HANDLE_CTX(dev_handle), "one or more ioctls failed");
-
-	snprintf(path_arg, sizeof(path_arg), "^usb/%x.%x",
-	    dev_handle->dev->device_descriptor.idVendor,
-	    dev_handle->dev->device_descriptor.idProduct);
-	sunos_physpath_to_devlink(dpriv->phypath, path_arg, &dpriv->ugenpath);
-
-	if (access(dpriv->ugenpath, F_OK) == -1) {
-		usbi_err(HANDLE_CTX(dev_handle), "fail to detach kernel driver");
-		return (LIBUSB_ERROR_IO);
-	}
-
-	return sunos_usb_open_ep0(usbi_get_device_handle_priv(dev_handle), dpriv);
-}
-
-static int
-sunos_attach_kernel_driver(struct libusb_device_handle *dev_handle,
-	uint8_t interface_number)
-{
-	struct libusb_context *ctx = HANDLE_CTX(dev_handle);
-	string_list_t *list;
-	char path_arg[PATH_MAX];
-	sunos_dev_priv_t *dpriv;
-	int r;
-
-	UNUSED(interface_number);
-
-	/* we open the dev in detach driver, so we need close it first. */
-	sunos_close(dev_handle);
-
-	dpriv = usbi_get_device_priv(dev_handle->dev);
-	snprintf(path_arg, sizeof(path_arg), "\'\"%s\"\'", dpriv->phypath);
-	usbi_dbg(HANDLE_CTX(dev_handle), "%s", path_arg);
-
-	list = sunos_new_string_list();
-	if (list == NULL)
-		return (LIBUSB_ERROR_NO_MEM);
-
-	/* detach ugen driver */
-	r = 0;
-	r |= sunos_append_to_string_list(list, UPDATEDRV);
-	r |= sunos_append_to_string_list(list, "-d"); /* add rule */
-	r |= sunos_append_to_string_list(list, "-i"); /* specific device */
-	r |= sunos_append_to_string_list(list, path_arg); /* physical path */
-	r |= sunos_append_to_string_list(list, "ugen");
-	if (r) {
-		sunos_free_string_list(list);
-		return (LIBUSB_ERROR_NO_MEM);
-	}
-
-	r = sunos_exec_command(ctx, UPDATEDRV_PATH, list);
-	sunos_free_string_list(list);
-	if (r < 0)
-		return (LIBUSB_ERROR_OTHER);
-
-	/* reconfigure the driver node */
-	r = 0;
-	r |= sunos_usb_ioctl(dev_handle->dev, DEVCTL_AP_CONFIGURE);
-	r |= sunos_usb_ioctl(dev_handle->dev, DEVCTL_AP_DISCONNECT);
-	r |= sunos_usb_ioctl(dev_handle->dev, DEVCTL_AP_CONFIGURE);
-	if (r)
-		usbi_warn(HANDLE_CTX(dev_handle), "one or more ioctls failed");
-
-	return 0;
-}
-
-static int
-sunos_fill_in_dev_info(di_node_t node, struct libusb_device *dev)
-{
-	int	proplen;
-	int	*i, n, *addr, *port_prop;
-	char	*phypath;
-	uint8_t	*rdata;
-	sunos_dev_priv_t	*dpriv = usbi_get_device_priv(dev);
-	char	match_str[PATH_MAX];
-
-	/* Device descriptors */
-	proplen = di_prop_lookup_bytes(DDI_DEV_T_ANY, node,
-	    "usb-dev-descriptor", &rdata);
-	if (proplen <= 0) {
-		return (LIBUSB_ERROR_IO);
-	}
-	bcopy(rdata, &dev->device_descriptor, LIBUSB_DT_DEVICE_SIZE);
-
-	/* Raw configuration descriptors */
-	proplen = di_prop_lookup_bytes(DDI_DEV_T_ANY, node,
-	    "usb-raw-cfg-descriptors", &rdata);
-	if (proplen <= 0) {
-		usbi_dbg(DEVICE_CTX(dev), "can't find raw config descriptors");
-
-		return (LIBUSB_ERROR_IO);
-	}
-	dpriv->raw_cfgdescr = calloc(1, proplen);
-	if (dpriv->raw_cfgdescr == NULL) {
-		return (LIBUSB_ERROR_NO_MEM);
-	} else {
-		bcopy(rdata, dpriv->raw_cfgdescr, proplen);
-		dpriv->cfgvalue = ((struct libusb_config_descriptor *)
-		    rdata)->bConfigurationValue;
-	}
-
-	n = di_prop_lookup_ints(DDI_DEV_T_ANY, node, "reg", &port_prop);
-
-	if ((n != 1) || (*port_prop <= 0)) {
-		return (LIBUSB_ERROR_IO);
-	}
-	dev->port_number = *port_prop;
-
-	/* device physical path */
-	phypath = di_devfs_path(node);
-	if (phypath) {
-		dpriv->phypath = strdup(phypath);
-		snprintf(match_str, sizeof(match_str), "^usb/%x.%x",
-		    dev->device_descriptor.idVendor,
-		    dev->device_descriptor.idProduct);
-		usbi_dbg(DEVICE_CTX(dev), "match is %s", match_str);
-		sunos_physpath_to_devlink(dpriv->phypath, match_str,  &dpriv->ugenpath);
-		di_devfs_path_free(phypath);
-
-	} else {
-		free(dpriv->raw_cfgdescr);
-
-		return (LIBUSB_ERROR_IO);
-	}
-
-	/* address */
-	n = di_prop_lookup_ints(DDI_DEV_T_ANY, node, "assigned-address", &addr);
-	if (n != 1 || *addr == 0) {
-		usbi_dbg(DEVICE_CTX(dev), "can't get address");
-	} else {
-		dev->device_address = *addr;
-	}
-
-	/* speed */
-	if (di_prop_lookup_ints(DDI_DEV_T_ANY, node, "low-speed", &i) >= 0) {
-		dev->speed = LIBUSB_SPEED_LOW;
-	} else if (di_prop_lookup_ints(DDI_DEV_T_ANY, node, "high-speed", &i) >= 0) {
-		dev->speed = LIBUSB_SPEED_HIGH;
-	} else if (di_prop_lookup_ints(DDI_DEV_T_ANY, node, "full-speed", &i) >= 0) {
-		dev->speed = LIBUSB_SPEED_FULL;
-	} else if (di_prop_lookup_ints(DDI_DEV_T_ANY, node, "super-speed", &i) >= 0) {
-		dev->speed = LIBUSB_SPEED_SUPER;
-	}
-
-	usbi_dbg(DEVICE_CTX(dev), "vid=%x pid=%x, path=%s, bus_nmber=0x%x, port_number=%d, speed=%d",
-	    dev->device_descriptor.idVendor, dev->device_descriptor.idProduct,
-	    dpriv->phypath, dev->bus_number, dev->port_number, dev->speed);
-
-	return (LIBUSB_SUCCESS);
-}
-
-static int
-sunos_add_devices(di_devlink_t link, void *arg)
-{
-	struct devlink_cbarg	*largs = (struct devlink_cbarg *)arg;
-	struct node_args	*nargs;
-	di_node_t		myself, dn;
-	uint64_t		session_id = 0;
-	uint64_t		sid = 0;
-	uint64_t		bdf = 0;
-	struct libusb_device	*dev;
-	sunos_dev_priv_t	*devpriv;
-	int			n, *j;
-	int			i = 0;
-	int			*addr_prop;
-	uint8_t			bus_number = 0;
-	uint32_t *		regbuf = NULL;
-	uint32_t		reg;
-
-	UNUSED(link);
-
-	nargs = (struct node_args *)largs->nargs;
-	myself = largs->myself;
-
-	/*
-	 * Construct session ID.
-	 * session ID = dev_addr | hub addr |parent hub addr|...|root hub bdf
-	 * 		8 bits       8bits          8 bits               16bits
-	 */
-	if (myself == DI_NODE_NIL)
-		return (DI_WALK_CONTINUE);
-
-	dn = myself;
-	/* find the root hub */
-	while (di_prop_lookup_ints(DDI_DEV_T_ANY, dn, "root-hub", &j) != 0) {
-		usbi_dbg(NULL, "find_root_hub:%s", di_devfs_path(dn));
-		n = di_prop_lookup_ints(DDI_DEV_T_ANY, dn,
-				"assigned-address", &addr_prop);
-		session_id |= ((addr_prop[0] & 0xff) << i++ * 8);
-		dn = di_parent_node(dn);
-	}
-
-	/* dn is the root hub node */
-	n = di_prop_lookup_ints(DDI_DEV_T_ANY, dn, "reg", (int **)&regbuf);
-	reg = regbuf[0];
-	bdf = (PCI_REG_BUS_G(reg) << 8) | (PCI_REG_DEV_G(reg) << 3) | PCI_REG_FUNC_G(reg);
-	/* bdf must larger than i*8 bits */
-	session_id |= (bdf << i * 8);
-	bus_number = (PCI_REG_DEV_G(reg) << 3) | PCI_REG_FUNC_G(reg);
-
-	usbi_dbg(NULL, "device bus address=%s:%x, name:%s",
-	    di_bus_addr(myself), bus_number, di_node_name(dn));
-	usbi_dbg(NULL, "session id org:%" PRIx64, session_id);
-
-	/* dn is the usb device */
-	for (dn = di_child_node(myself); dn != DI_NODE_NIL; dn = di_sibling_node(dn)) {
-		usbi_dbg(NULL, "device path:%s", di_devfs_path(dn));
-		/* skip hub devices, because its driver can not been unload */
-		if (di_prop_lookup_ints(DDI_DEV_T_ANY, dn, "usb-port-count", &addr_prop) != -1)
-			continue;
-		/* usb_addr */
-		n = di_prop_lookup_ints(DDI_DEV_T_ANY, dn,
-		    "assigned-address", &addr_prop);
-		if ((n != 1) || (addr_prop[0] == 0)) {
-			usbi_dbg(NULL, "cannot get valid usb_addr");
-			continue;
-		}
-
-		sid = (session_id << 8) | (addr_prop[0] & 0xff) ;
-		usbi_dbg(NULL, "session id %" PRIX64, sid);
-
-		dev = usbi_get_device_by_session_id(nargs->ctx, sid);
-		if (dev == NULL) {
-			dev = usbi_alloc_device(nargs->ctx, sid);
-			if (dev == NULL) {
-				usbi_dbg(NULL, "can't alloc device");
-				continue;
-			}
-			devpriv = usbi_get_device_priv(dev);
-			dev->bus_number = bus_number;
-
-			if (sunos_fill_in_dev_info(dn, dev) != LIBUSB_SUCCESS) {
-				libusb_unref_device(dev);
-				usbi_dbg(NULL, "get information fail");
-				continue;
-			}
-			if (usbi_sanitize_device(dev) < 0) {
-				libusb_unref_device(dev);
-				usbi_dbg(NULL, "sanatize failed: ");
-				return (DI_WALK_TERMINATE);
-			}
-		} else {
-			devpriv = usbi_get_device_priv(dev);
-			usbi_dbg(NULL, "Dev %s exists", devpriv->ugenpath);
-		}
-
-		if (discovered_devs_append(*(nargs->discdevs), dev) == NULL) {
-			usbi_dbg(NULL, "cannot append device");
-		}
-
-		/*
-		 * we alloc and hence ref this dev. We don't need to ref it
-		 * hereafter. Front end or app should take care of their ref.
-		 */
-		libusb_unref_device(dev);
-
-		usbi_dbg(NULL, "Device %s %s id=0x%" PRIx64 ", devcount:%" PRIuPTR
-		    ", bdf=%" PRIx64,
-		    devpriv->ugenpath, di_devfs_path(dn), (uint64_t)sid,
-		    (*nargs->discdevs)->len, bdf);
-	}
-
-	return (DI_WALK_CONTINUE);
-}
-
-static int
-sunos_walk_minor_node_link(di_node_t node, void *args)
-{
-        di_minor_t minor = DI_MINOR_NIL;
-        char *minor_path;
-        struct devlink_cbarg arg;
-	struct node_args *nargs = (struct node_args *)args;
-	di_devlink_handle_t devlink_hdl = nargs->dlink_hdl;
-
-	/* walk each minor to find usb devices */
-        while ((minor = di_minor_next(node, minor)) != DI_MINOR_NIL) {
-                minor_path = di_devfs_minor_path(minor);
-                arg.nargs = args;
-		arg.myself = node;
-                arg.minor = minor;
-                (void) di_devlink_walk(devlink_hdl,
-		    "^usb/hub[0-9]+", minor_path,
-		    DI_PRIMARY_LINK, (void *)&arg, sunos_add_devices);
-                di_devfs_path_free(minor_path);
-        }
-
-	/* switch to a different node */
-	nargs->last_ugenpath = NULL;
-
-	return (DI_WALK_CONTINUE);
-}
-
-int
-sunos_get_device_list(struct libusb_context * ctx,
-	struct discovered_devs **discdevs)
-{
-	di_node_t root_node;
-	struct node_args args;
-	di_devlink_handle_t devlink_hdl;
-
-	args.ctx = ctx;
-	args.discdevs = discdevs;
-	args.last_ugenpath = NULL;
-	if ((root_node = di_init("/", DINFOCPYALL)) == DI_NODE_NIL) {
-		usbi_dbg(ctx, "di_int() failed: errno %d (%s)", errno, strerror(errno));
-		return (LIBUSB_ERROR_IO);
-	}
-
-	if ((devlink_hdl = di_devlink_init(NULL, 0)) == NULL) {
-		di_fini(root_node);
-		usbi_dbg(ctx, "di_devlink_init() failed: errno %d (%s)", errno, strerror(errno));
-
-		return (LIBUSB_ERROR_IO);
-	}
-	args.dlink_hdl = devlink_hdl;
-
-	/* walk each node to find USB devices */
-	if (di_walk_node(root_node, DI_WALK_SIBFIRST, &args,
-	    sunos_walk_minor_node_link) == -1) {
-		usbi_dbg(ctx, "di_walk_node() failed: errno %d (%s)", errno, strerror(errno));
-		di_fini(root_node);
-
-		return (LIBUSB_ERROR_IO);
-	}
-
-	di_fini(root_node);
-	di_devlink_fini(&devlink_hdl);
-
-	usbi_dbg(ctx, "%zu devices", (*discdevs)->len);
-
-	return ((*discdevs)->len);
-}
-
-static int
-sunos_usb_open_ep0(sunos_dev_handle_priv_t *hpriv, sunos_dev_priv_t *dpriv)
-{
-	char filename[PATH_MAX + 1];
-
-	if (hpriv->eps[0].datafd > 0) {
-		return (LIBUSB_SUCCESS);
-	}
-	snprintf(filename, PATH_MAX, "%s/cntrl0", dpriv->ugenpath);
-
-	usbi_dbg(NULL, "opening %s", filename);
-	hpriv->eps[0].datafd = open(filename, O_RDWR);
-	if (hpriv->eps[0].datafd < 0) {
-		return(_errno_to_libusb(errno));
-	}
-
-	snprintf(filename, PATH_MAX, "%s/cntrl0stat", dpriv->ugenpath);
-	hpriv->eps[0].statfd = open(filename, O_RDONLY);
-	if (hpriv->eps[0].statfd < 0) {
-		close(hpriv->eps[0].datafd);
-		hpriv->eps[0].datafd = -1;
-
-		return(_errno_to_libusb(errno));
-	}
-
-	return (LIBUSB_SUCCESS);
-}
-
-static void
-sunos_usb_close_all_eps(sunos_dev_handle_priv_t *hdev)
-{
-	int i;
-
-	/* not close ep0 */
-	for (i = 1; i < USB_MAXENDPOINTS; i++) {
-		if (hdev->eps[i].datafd != -1) {
-			(void) close(hdev->eps[i].datafd);
-			hdev->eps[i].datafd = -1;
-		}
-		if (hdev->eps[i].statfd != -1) {
-			(void) close(hdev->eps[i].statfd);
-			hdev->eps[i].statfd = -1;
-		}
-	}
-}
-
-static void
-sunos_usb_close_ep0(sunos_dev_handle_priv_t *hdev)
-{
-	if (hdev->eps[0].datafd >= 0) {
-		close(hdev->eps[0].datafd);
-		close(hdev->eps[0].statfd);
-		hdev->eps[0].datafd = -1;
-		hdev->eps[0].statfd = -1;
-	}
-}
-
-static uchar_t
-sunos_usb_ep_index(uint8_t ep_addr)
-{
-	return ((ep_addr & LIBUSB_ENDPOINT_ADDRESS_MASK) +
-	    ((ep_addr & LIBUSB_ENDPOINT_DIR_MASK) ? 16 : 0));
-}
-
-static int
-sunos_find_interface(struct libusb_device_handle *hdev,
-    uint8_t endpoint, uint8_t *interface)
-{
-	struct libusb_config_descriptor *config;
-	int r;
-	int iface_idx;
-
-	r = libusb_get_active_config_descriptor(hdev->dev, &config);
-	if (r < 0) {
-		return (LIBUSB_ERROR_INVALID_PARAM);
-	}
-
-	for (iface_idx = 0; iface_idx < config->bNumInterfaces; iface_idx++) {
-		const struct libusb_interface *iface =
-		    &config->interface[iface_idx];
-		int altsetting_idx;
-
-		for (altsetting_idx = 0; altsetting_idx < iface->num_altsetting;
-		    altsetting_idx++) {
-			const struct libusb_interface_descriptor *altsetting =
-			    &iface->altsetting[altsetting_idx];
-			int ep_idx;
-
-			for (ep_idx = 0; ep_idx < altsetting->bNumEndpoints;
-			    ep_idx++) {
-				const struct libusb_endpoint_descriptor *ep =
-					&altsetting->endpoint[ep_idx];
-				if (ep->bEndpointAddress == endpoint) {
-					*interface = iface_idx;
-					libusb_free_config_descriptor(config);
-
-					return (LIBUSB_SUCCESS);
-				}
-			}
-		}
-	}
-	libusb_free_config_descriptor(config);
-
-	return (LIBUSB_ERROR_INVALID_PARAM);
-}
-
-static int
-sunos_check_device_and_status_open(struct libusb_device_handle *hdl,
-    uint8_t ep_addr, int ep_type)
-{
-	char	filename[PATH_MAX + 1], statfilename[PATH_MAX + 1];
-	char	cfg_num[16], alt_num[16];
-	int	fd, fdstat, mode;
-	uint8_t	ifc = 0;
-	uint8_t	ep_index;
-	sunos_dev_handle_priv_t *hpriv;
-
-	usbi_dbg(HANDLE_CTX(hdl), "open ep 0x%02x", ep_addr);
-	hpriv = usbi_get_device_handle_priv(hdl);
-	ep_index = sunos_usb_ep_index(ep_addr);
-	/* ep already opened */
-	if ((hpriv->eps[ep_index].datafd > 0) &&
-	    (hpriv->eps[ep_index].statfd > 0)) {
-		usbi_dbg(HANDLE_CTX(hdl), "ep 0x%02x already opened, return success",
-			ep_addr);
-
-		return (0);
-	}
-
-	if (sunos_find_interface(hdl, ep_addr, &ifc) < 0) {
-		usbi_dbg(HANDLE_CTX(hdl), "can't find interface for endpoint 0x%02x",
-		    ep_addr);
-
-		return (EACCES);
-	}
-
-	/* create filename */
-	if (hpriv->config_index > 0) {
-		(void) snprintf(cfg_num, sizeof(cfg_num), "cfg%d",
-		    hpriv->config_index + 1);
-	} else {
-		bzero(cfg_num, sizeof(cfg_num));
-	}
-
-	if (hpriv->altsetting[ifc] > 0) {
-		(void) snprintf(alt_num, sizeof(alt_num), ".%d",
-		    hpriv->altsetting[ifc]);
-	} else {
-		bzero(alt_num, sizeof(alt_num));
-	}
-
-	(void) snprintf(filename, PATH_MAX, "%s/%sif%d%s%s%d",
-	    hpriv->dpriv->ugenpath, cfg_num, ifc, alt_num,
-	    (ep_addr & LIBUSB_ENDPOINT_DIR_MASK) ? "in" :
-	    "out", (ep_addr & LIBUSB_ENDPOINT_ADDRESS_MASK));
-	(void) snprintf(statfilename, PATH_MAX, "%sstat", filename);
-
-	/*
-	 * In case configuration has been switched, the xfer endpoint needs
-	 * to be opened before the status endpoint, due to a ugen issue.
-	 * However, to enable the one transfer mode for an Interrupt-In pipe,
-	 * the status endpoint needs to be opened before the xfer endpoint.
-	 * So, open the xfer mode first and close it immediately
-	 * as a workaround. This will handle the configuration switch.
-	 * Then, open the status endpoint.  If for an Interrupt-in pipe,
-	 * write the USB_EP_INTR_ONE_XFER control to the status endpoint
-	 * to enable the one transfer mode.  Then, re-open the xfer mode.
-	 */
-	if (ep_type == LIBUSB_TRANSFER_TYPE_ISOCHRONOUS) {
-		mode = O_RDWR;
-	} else if (ep_addr & LIBUSB_ENDPOINT_IN) {
-		mode = O_RDONLY;
-	} else {
-		mode = O_WRONLY;
-	}
-	/* Open the xfer endpoint first */
-	if ((fd = open(filename, mode)) == -1) {
-		usbi_dbg(HANDLE_CTX(hdl), "can't open %s: errno %d (%s)", filename, errno,
-		    strerror(errno));
-
-		return (errno);
-	}
-	/* And immediately close the xfer endpoint */
-	(void) close(fd);
-
-	/*
-	 * Open the status endpoint.
-	 * If for an Interrupt-IN pipe, need to enable the one transfer mode
-	 * by writing USB_EP_INTR_ONE_XFER control to the status endpoint
-	 * before opening the xfer endpoint
-	 */
-	if ((ep_type == LIBUSB_TRANSFER_TYPE_INTERRUPT) &&
-	    (ep_addr & LIBUSB_ENDPOINT_IN)) {
-		char	control = USB_EP_INTR_ONE_XFER;
-		ssize_t	count;
-
-		/* Open the status endpoint with RDWR */
-		if ((fdstat = open(statfilename, O_RDWR)) == -1) {
-			usbi_dbg(HANDLE_CTX(hdl), "can't open %s RDWR: errno %d (%s)",
-				statfilename, errno, strerror(errno));
-
-			return (errno);
-		} else {
-			count = write(fdstat, &control, sizeof(control));
-			if (count != 1) {
-				/* this should have worked */
-				usbi_dbg(HANDLE_CTX(hdl), "can't write to %s: errno %d (%s)",
-					statfilename, errno, strerror(errno));
-				(void) close(fdstat);
-
-				return (errno);
-			}
-		}
-	} else {
-		if ((fdstat = open(statfilename, O_RDONLY)) == -1) {
-			usbi_dbg(HANDLE_CTX(hdl), "can't open %s: errno %d (%s)", statfilename, errno,
-				strerror(errno));
-
-			return (errno);
-		}
-	}
-
-	/* Re-open the xfer endpoint */
-	if ((fd = open(filename, mode)) == -1) {
-		usbi_dbg(HANDLE_CTX(hdl), "can't open %s: errno %d (%s)", filename, errno,
-			strerror(errno));
-		(void) close(fdstat);
-
-		return (errno);
-	}
-
-	hpriv->eps[ep_index].datafd = fd;
-	hpriv->eps[ep_index].statfd = fdstat;
-	usbi_dbg(HANDLE_CTX(hdl), "ep=0x%02x datafd=%d, statfd=%d", ep_addr, fd, fdstat);
-
-	return (0);
-}
-
-int
-sunos_open(struct libusb_device_handle *handle)
-{
-	sunos_dev_handle_priv_t	*hpriv;
-	sunos_dev_priv_t	*dpriv;
-	int	i;
-	int	ret;
-
-	hpriv = usbi_get_device_handle_priv(handle);
-	dpriv = usbi_get_device_priv(handle->dev);
-	hpriv->dpriv = dpriv;
-
-	/* set all file descriptors to "closed" */
-	for (i = 0; i < USB_MAXENDPOINTS; i++) {
-		hpriv->eps[i].datafd = -1;
-		hpriv->eps[i].statfd = -1;
-	}
-
-	if (sunos_kernel_driver_active(handle, 0)) {
-		/* pretend we can open the device */
-		return (LIBUSB_SUCCESS);
-	}
-
-	if ((ret = sunos_usb_open_ep0(hpriv, dpriv)) != LIBUSB_SUCCESS) {
-		usbi_dbg(HANDLE_CTX(handle), "fail: %d", ret);
-		return (ret);
-	}
-
-	return (LIBUSB_SUCCESS);
-}
-
-void
-sunos_close(struct libusb_device_handle *handle)
-{
-	sunos_dev_handle_priv_t *hpriv;
-
-	usbi_dbg(HANDLE_CTX(handle), " ");
-
-	hpriv = usbi_get_device_handle_priv(handle);
-
-	sunos_usb_close_all_eps(hpriv);
-	sunos_usb_close_ep0(hpriv);
-}
-
-int
-sunos_get_active_config_descriptor(struct libusb_device *dev,
-    void *buf, size_t len)
-{
-	sunos_dev_priv_t *dpriv = usbi_get_device_priv(dev);
-	struct libusb_config_descriptor *cfg;
-	int proplen;
-	di_node_t node;
-	uint8_t	*rdata;
-
-	/*
-	 * Keep raw configuration descriptors updated, in case config
-	 * has ever been changed through setCfg.
-	 */
-	if ((node = di_init(dpriv->phypath, DINFOCPYALL)) == DI_NODE_NIL) {
-		usbi_dbg(DEVICE_CTX(dev), "di_int() failed: errno %d (%s)", errno,
-			strerror(errno));
-		return (LIBUSB_ERROR_IO);
-	}
-	proplen = di_prop_lookup_bytes(DDI_DEV_T_ANY, node,
-	    "usb-raw-cfg-descriptors", &rdata);
-	if (proplen <= 0) {
-		usbi_dbg(DEVICE_CTX(dev), "can't find raw config descriptors");
-
-		return (LIBUSB_ERROR_IO);
-	}
-	dpriv->raw_cfgdescr = realloc(dpriv->raw_cfgdescr, proplen);
-	if (dpriv->raw_cfgdescr == NULL) {
-		return (LIBUSB_ERROR_NO_MEM);
-	} else {
-		bcopy(rdata, dpriv->raw_cfgdescr, proplen);
-		dpriv->cfgvalue = ((struct libusb_config_descriptor *)
-		    rdata)->bConfigurationValue;
-	}
-	di_fini(node);
-
-	cfg = (struct libusb_config_descriptor *)dpriv->raw_cfgdescr;
-	len = MIN(len, libusb_le16_to_cpu(cfg->wTotalLength));
-	memcpy(buf, dpriv->raw_cfgdescr, len);
-	usbi_dbg(DEVICE_CTX(dev), "path:%s len %zu", dpriv->phypath, len);
-
-	return (len);
-}
-
-int
-sunos_get_config_descriptor(struct libusb_device *dev, uint8_t idx,
-    void *buf, size_t len)
-{
-	UNUSED(idx);
-	/* XXX */
-	return(sunos_get_active_config_descriptor(dev, buf, len));
-}
-
-int
-sunos_get_configuration(struct libusb_device_handle *handle, uint8_t *config)
-{
-	sunos_dev_priv_t *dpriv = usbi_get_device_priv(handle->dev);
-
-	*config = dpriv->cfgvalue;
-
-	usbi_dbg(HANDLE_CTX(handle), "bConfigurationValue %u", *config);
-
-	return (LIBUSB_SUCCESS);
-}
-
-int
-sunos_set_configuration(struct libusb_device_handle *handle, int config)
-{
-	sunos_dev_priv_t *dpriv = usbi_get_device_priv(handle->dev);
-	sunos_dev_handle_priv_t *hpriv;
-
-	usbi_dbg(HANDLE_CTX(handle), "bConfigurationValue %d", config);
-	hpriv = usbi_get_device_handle_priv(handle);
-
-	if (dpriv->ugenpath == NULL)
-		return (LIBUSB_ERROR_NOT_SUPPORTED);
-
-	if (config < 1)
-		return (LIBUSB_ERROR_NOT_SUPPORTED);
-
-	dpriv->cfgvalue = config;
-	hpriv->config_index = config - 1;
-
-	return (LIBUSB_SUCCESS);
-}
-
-int
-sunos_claim_interface(struct libusb_device_handle *handle, uint8_t iface)
-{
-	UNUSED(handle);
-
-	usbi_dbg(HANDLE_CTX(handle), "iface %u", iface);
-
-	return (LIBUSB_SUCCESS);
-}
-
-int
-sunos_release_interface(struct libusb_device_handle *handle, uint8_t iface)
-{
-	sunos_dev_handle_priv_t *hpriv = usbi_get_device_handle_priv(handle);
-
-	usbi_dbg(HANDLE_CTX(handle), "iface %u", iface);
-
-	/* XXX: can we release it? */
-	hpriv->altsetting[iface] = 0;
-
-	return (LIBUSB_SUCCESS);
-}
-
-int
-sunos_set_interface_altsetting(struct libusb_device_handle *handle, uint8_t iface,
-    uint8_t altsetting)
-{
-	sunos_dev_priv_t *dpriv = usbi_get_device_priv(handle->dev);
-	sunos_dev_handle_priv_t *hpriv = usbi_get_device_handle_priv(handle);
-
-	usbi_dbg(HANDLE_CTX(handle), "iface %u, setting %u", iface, altsetting);
-
-	if (dpriv->ugenpath == NULL)
-		return (LIBUSB_ERROR_NOT_FOUND);
-
-	/* XXX: can we switch altsetting? */
-	hpriv->altsetting[iface] = altsetting;
-
-	return (LIBUSB_SUCCESS);
-}
-
-static void
-usb_dump_data(const void *data, size_t size)
-{
-	const uint8_t *p = data;
-	size_t i;
-
-	if (getenv("LIBUSB_DEBUG") == NULL) {
-		return;
-	}
-
-	(void) fprintf(stderr, "data dump:");
-	for (i = 0; i < size; i++) {
-		if (i % 16 == 0) {
-			(void) fprintf(stderr, "\n%08zx	", i);
-		}
-		(void) fprintf(stderr, "%02x ", p[i]);
-	}
-	(void) fprintf(stderr, "\n");
-}
-
-static void
-sunos_async_callback(union sigval arg)
-{
-	struct sunos_transfer_priv *tpriv =
-	    (struct sunos_transfer_priv *)arg.sival_ptr;
-	struct libusb_transfer *xfer = tpriv->transfer;
-	struct aiocb *aiocb = &tpriv->aiocb;
-	int ret;
-	sunos_dev_handle_priv_t *hpriv;
-	uint8_t ep;
-	libusb_device_handle *dev_handle;
-
-	dev_handle = xfer->dev_handle;
-
-	/* libusb can forcibly interrupt transfer in do_close() */
-	if (dev_handle != NULL) {
-		hpriv = usbi_get_device_handle_priv(dev_handle);
-		ep = sunos_usb_ep_index(xfer->endpoint);
-
-		ret = aio_error(aiocb);
-		if (ret != 0) {
-			xfer->status = sunos_usb_get_status(TRANSFER_CTX(xfer), hpriv->eps[ep].statfd);
-		} else {
-			xfer->actual_length =
-			    LIBUSB_TRANSFER_TO_USBI_TRANSFER(xfer)->transferred =
-			    aio_return(aiocb);
-		}
-
-		usb_dump_data(xfer->buffer, xfer->actual_length);
-
-		usbi_dbg(TRANSFER_CTX(xfer), "ret=%d, len=%d, actual_len=%d", ret, xfer->length,
-		    xfer->actual_length);
-
-		/* async notification */
-		usbi_signal_transfer_completion(LIBUSB_TRANSFER_TO_USBI_TRANSFER(xfer));
-	}
-}
-
-static int
-sunos_do_async_io(struct libusb_transfer *transfer)
-{
-	int ret = -1;
-	struct aiocb *aiocb;
-	sunos_dev_handle_priv_t *hpriv;
-	uint8_t ep;
-	struct sunos_transfer_priv *tpriv;
-
-	usbi_dbg(TRANSFER_CTX(transfer), " ");
-
-	tpriv = usbi_get_transfer_priv(LIBUSB_TRANSFER_TO_USBI_TRANSFER(transfer));
-	hpriv = usbi_get_device_handle_priv(transfer->dev_handle);
-	ep = sunos_usb_ep_index(transfer->endpoint);
-
-	tpriv->transfer = transfer;
-	aiocb = &tpriv->aiocb;
-	bzero(aiocb, sizeof(*aiocb));
-	aiocb->aio_fildes = hpriv->eps[ep].datafd;
-	aiocb->aio_buf = transfer->buffer;
-	aiocb->aio_nbytes = transfer->length;
-	aiocb->aio_lio_opcode =
-	    ((transfer->endpoint & LIBUSB_ENDPOINT_DIR_MASK) ==
-	    LIBUSB_ENDPOINT_IN) ? LIO_READ:LIO_WRITE;
-	aiocb->aio_sigevent.sigev_notify = SIGEV_THREAD;
-	aiocb->aio_sigevent.sigev_value.sival_ptr = tpriv;
-	aiocb->aio_sigevent.sigev_notify_function = sunos_async_callback;
-
-	if (aiocb->aio_lio_opcode == LIO_READ) {
-		ret = aio_read(aiocb);
-	} else {
-		ret = aio_write(aiocb);
-	}
-
-	return (ret);
-}
-
-/* return the number of bytes read/written */
-static ssize_t
-usb_do_io(struct libusb_context *ctx, int fd, int stat_fd, void *data, size_t size, int flag, int *status)
-{
-	int error;
-	ssize_t ret = -1;
-
-	usbi_dbg(ctx, "usb_do_io(): datafd=%d statfd=%d size=0x%zx flag=%s",
-	    fd, stat_fd, size, flag? "WRITE":"READ");
-
-	switch (flag) {
-	case READ:
-		errno = 0;
-		ret = read(fd, data, size);
-		usb_dump_data(data, size);
-		break;
-	case WRITE:
-		usb_dump_data(data, size);
-		errno = 0;
-		ret = write(fd, data, size);
-		break;
-	}
-
-	usbi_dbg(ctx, "usb_do_io(): amount=%zd", ret);
-
-	if (ret < 0) {
-		int save_errno = errno;
-
-		usbi_dbg(ctx, "TID=%x io %s errno %d (%s)", pthread_self(),
-		    flag?"WRITE":"READ", errno, strerror(errno));
-
-		/* sunos_usb_get_status will do a read and overwrite errno */
-		error = sunos_usb_get_status(ctx, stat_fd);
-		usbi_dbg(ctx, "io status=%d errno %d (%s)", error,
-			save_errno, strerror(save_errno));
-
-		if (status) {
-			*status = save_errno;
-		}
-
-		return (save_errno);
-
-	} else if (status) {
-		*status = 0;
-	}
-
-	return (ret);
-}
-
-static int
-solaris_submit_ctrl_on_default(struct libusb_transfer *transfer)
-{
-	ssize_t		ret = -1, setup_ret;
-	int		status;
-	sunos_dev_handle_priv_t *hpriv;
-	struct		libusb_device_handle *hdl = transfer->dev_handle;
-	uint16_t	wLength;
-	uint8_t		*data = transfer->buffer;
-
-	hpriv = usbi_get_device_handle_priv(hdl);
-	wLength = transfer->length - LIBUSB_CONTROL_SETUP_SIZE;
-
-	if (hpriv->eps[0].datafd == -1) {
-		usbi_dbg(TRANSFER_CTX(transfer), "ep0 not opened");
-
-		return (LIBUSB_ERROR_NOT_FOUND);
-	}
-
-	if ((data[0] & LIBUSB_ENDPOINT_DIR_MASK) == LIBUSB_ENDPOINT_IN) {
-		usbi_dbg(TRANSFER_CTX(transfer), "IN request");
-		ret = usb_do_io(TRANSFER_CTX(transfer), hpriv->eps[0].datafd,
-		    hpriv->eps[0].statfd, data, LIBUSB_CONTROL_SETUP_SIZE,
-		    WRITE, &status);
-	} else {
-		usbi_dbg(TRANSFER_CTX(transfer), "OUT request");
-		ret = usb_do_io(TRANSFER_CTX(transfer), hpriv->eps[0].datafd, hpriv->eps[0].statfd,
-		    transfer->buffer, transfer->length, WRITE,
-		    (int *)&transfer->status);
-	}
-
-	setup_ret = ret;
-	if (ret < (ssize_t)LIBUSB_CONTROL_SETUP_SIZE) {
-		usbi_dbg(TRANSFER_CTX(transfer), "error sending control msg: %zd", ret);
-
-		return (LIBUSB_ERROR_IO);
-	}
-
-	ret = transfer->length - LIBUSB_CONTROL_SETUP_SIZE;
-
-	/* Read the remaining bytes for IN request */
-	if ((wLength) && ((data[0] & LIBUSB_ENDPOINT_DIR_MASK) ==
-	    LIBUSB_ENDPOINT_IN)) {
-		usbi_dbg(TRANSFER_CTX(transfer), "DATA: %d", transfer->length - (int)setup_ret);
-		ret = usb_do_io(TRANSFER_CTX(transfer), hpriv->eps[0].datafd,
-			hpriv->eps[0].statfd,
-			transfer->buffer + LIBUSB_CONTROL_SETUP_SIZE,
-			wLength, READ, (int *)&transfer->status);
-	}
-
-	if (ret >= 0) {
-		LIBUSB_TRANSFER_TO_USBI_TRANSFER(transfer)->transferred = ret;
-	}
-	usbi_dbg(TRANSFER_CTX(transfer), "Done: ctrl data bytes %zd", ret);
-
-	/**
-	 * Sync transfer handling.
- 	 * We should release transfer lock here and later get it back
-	 * as usbi_handle_transfer_completion() takes its own transfer lock.
-	 */
-	usbi_mutex_unlock(&LIBUSB_TRANSFER_TO_USBI_TRANSFER(transfer)->lock);
-	ret = usbi_handle_transfer_completion(LIBUSB_TRANSFER_TO_USBI_TRANSFER(transfer),
-	    transfer->status);
-	usbi_mutex_lock(&LIBUSB_TRANSFER_TO_USBI_TRANSFER(transfer)->lock);
-
-	return (ret);
-}
-
-int
-sunos_clear_halt(struct libusb_device_handle *handle, unsigned char endpoint)
-{
-	int ret;
-
-	usbi_dbg(HANDLE_CTX(handle), "endpoint=0x%02x", endpoint);
-
-	ret = libusb_control_transfer(handle, LIBUSB_ENDPOINT_OUT |
-	    LIBUSB_RECIPIENT_ENDPOINT | LIBUSB_REQUEST_TYPE_STANDARD,
-	    LIBUSB_REQUEST_CLEAR_FEATURE, 0, endpoint, NULL, 0, 1000);
-
-	usbi_dbg(HANDLE_CTX(handle), "ret=%d", ret);
-
-	return (ret);
-}
-
-void
-sunos_destroy_device(struct libusb_device *dev)
-{
-	sunos_dev_priv_t *dpriv = usbi_get_device_priv(dev);
-
-	usbi_dbg(DEVICE_CTX(dev), "destroy everything");
-	free(dpriv->raw_cfgdescr);
-	free(dpriv->ugenpath);
-	free(dpriv->phypath);
-}
-
-int
-sunos_submit_transfer(struct usbi_transfer *itransfer)
-{
-	struct	libusb_transfer *transfer;
-	struct	libusb_device_handle *hdl;
-	int	err = 0;
-
-	transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
-	hdl = transfer->dev_handle;
-
-	err = sunos_check_device_and_status_open(hdl,
-	    transfer->endpoint, transfer->type);
-	if (err < 0) {
-
-		return (_errno_to_libusb(err));
-	}
-
-	switch (transfer->type) {
-	case LIBUSB_TRANSFER_TYPE_CONTROL:
-		/* sync transfer */
-		usbi_dbg(ITRANSFER_CTX(itransfer), "CTRL transfer: %d", transfer->length);
-		err = solaris_submit_ctrl_on_default(transfer);
-		break;
-
-	case LIBUSB_TRANSFER_TYPE_BULK:
-		/* fallthru */
-	case LIBUSB_TRANSFER_TYPE_INTERRUPT:
-		if (transfer->type == LIBUSB_TRANSFER_TYPE_BULK)
-			usbi_dbg(ITRANSFER_CTX(itransfer), "BULK transfer: %d", transfer->length);
-		else
-			usbi_dbg(ITRANSFER_CTX(itransfer), "INTR transfer: %d", transfer->length);
-		err = sunos_do_async_io(transfer);
-		break;
-
-	case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS:
-		/* Isochronous/Stream is not supported */
-
-		/* fallthru */
-	case LIBUSB_TRANSFER_TYPE_BULK_STREAM:
-		if (transfer->type == LIBUSB_TRANSFER_TYPE_ISOCHRONOUS)
-			usbi_dbg(ITRANSFER_CTX(itransfer), "ISOC transfer: %d", transfer->length);
-		else
-			usbi_dbg(ITRANSFER_CTX(itransfer), "BULK STREAM transfer: %d", transfer->length);
-		err = LIBUSB_ERROR_NOT_SUPPORTED;
-		break;
-	}
-
-	return (err);
-}
-
-int
-sunos_cancel_transfer(struct usbi_transfer *itransfer)
-{
-	sunos_xfer_priv_t	*tpriv;
-	sunos_dev_handle_priv_t	*hpriv;
-	struct libusb_transfer	*transfer;
-	struct aiocb	*aiocb;
-	uint8_t		ep;
-	int		ret;
-
-	tpriv = usbi_get_transfer_priv(itransfer);
-	aiocb = &tpriv->aiocb;
-	transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
-	hpriv = usbi_get_device_handle_priv(transfer->dev_handle);
-	ep = sunos_usb_ep_index(transfer->endpoint);
-
-	ret = aio_cancel(hpriv->eps[ep].datafd, aiocb);
-
-	usbi_dbg(ITRANSFER_CTX(itransfer), "aio->fd=%d fd=%d ret = %d, %s", aiocb->aio_fildes,
-	    hpriv->eps[ep].datafd, ret, (ret == AIO_CANCELED)?
-	    strerror(0):strerror(errno));
-
-	if (ret != AIO_CANCELED) {
-		ret = _errno_to_libusb(errno);
-	} else {
-	/*
-	 * we don't need to call usbi_handle_transfer_cancellation(),
-	 * because we'll handle everything in sunos_async_callback.
-	 */
-		ret = LIBUSB_SUCCESS;
-	}
-
-	return (ret);
-}
-
-int
-sunos_handle_transfer_completion(struct usbi_transfer *itransfer)
-{
-	return usbi_handle_transfer_completion(itransfer, LIBUSB_TRANSFER_COMPLETED);
-}
-
-int
-_errno_to_libusb(int err)
-{
-	usbi_dbg(NULL, "error: %s (%d)", strerror(err), err);
-
-	switch (err) {
-	case EIO:
-		return (LIBUSB_ERROR_IO);
-	case EACCES:
-		return (LIBUSB_ERROR_ACCESS);
-	case ENOENT:
-		return (LIBUSB_ERROR_NO_DEVICE);
-	case ENOMEM:
-		return (LIBUSB_ERROR_NO_MEM);
-	case ETIMEDOUT:
-		return (LIBUSB_ERROR_TIMEOUT);
-	}
-
-	return (LIBUSB_ERROR_OTHER);
-}
-
-/*
- * sunos_usb_get_status:
- *	gets status of endpoint
- *
- * Returns: ugen's last cmd status
- */
-static int
-sunos_usb_get_status(struct libusb_context *ctx, int fd)
-{
-	int status;
-	ssize_t ret;
-
-	usbi_dbg(ctx, "sunos_usb_get_status(): fd=%d", fd);
-
-	ret = read(fd, &status, sizeof(status));
-	if (ret == sizeof(status)) {
-		switch (status) {
-		case USB_LC_STAT_NOERROR:
-			usbi_dbg(ctx, "No Error");
-			break;
-		case USB_LC_STAT_CRC:
-			usbi_dbg(ctx, "CRC Timeout Detected\n");
-			break;
-		case USB_LC_STAT_BITSTUFFING:
-			usbi_dbg(ctx, "Bit Stuffing Violation\n");
-			break;
-		case USB_LC_STAT_DATA_TOGGLE_MM:
-			usbi_dbg(ctx, "Data Toggle Mismatch\n");
-			break;
-		case USB_LC_STAT_STALL:
-			usbi_dbg(ctx, "End Point Stalled\n");
-			break;
-		case USB_LC_STAT_DEV_NOT_RESP:
-			usbi_dbg(ctx, "Device is Not Responding\n");
-			break;
-		case USB_LC_STAT_PID_CHECKFAILURE:
-			usbi_dbg(ctx, "PID Check Failure\n");
-			break;
-		case USB_LC_STAT_UNEXP_PID:
-			usbi_dbg(ctx, "Unexpected PID\n");
-			break;
-		case USB_LC_STAT_DATA_OVERRUN:
-			usbi_dbg(ctx, "Data Exceeded Size\n");
-			break;
-		case USB_LC_STAT_DATA_UNDERRUN:
-			usbi_dbg(ctx, "Less data received\n");
-			break;
-		case USB_LC_STAT_BUFFER_OVERRUN:
-			usbi_dbg(ctx, "Buffer Size Exceeded\n");
-			break;
-		case USB_LC_STAT_BUFFER_UNDERRUN:
-			usbi_dbg(ctx, "Buffer Underrun\n");
-			break;
-		case USB_LC_STAT_TIMEOUT:
-			usbi_dbg(ctx, "Command Timed Out\n");
-			break;
-		case USB_LC_STAT_NOT_ACCESSED:
-			usbi_dbg(ctx, "Not Accessed by h/w\n");
-			break;
-		case USB_LC_STAT_UNSPECIFIED_ERR:
-			usbi_dbg(ctx, "Unspecified Error\n");
-			break;
-		case USB_LC_STAT_NO_BANDWIDTH:
-			usbi_dbg(ctx, "No Bandwidth\n");
-			break;
-		case USB_LC_STAT_HW_ERR:
-			usbi_dbg(ctx, "Host Controller h/w Error\n");
-			break;
-		case USB_LC_STAT_SUSPENDED:
-			usbi_dbg(ctx, "Device was Suspended\n");
-			break;
-		case USB_LC_STAT_DISCONNECTED:
-			usbi_dbg(ctx, "Device was Disconnected\n");
-			break;
-		case USB_LC_STAT_INTR_BUF_FULL:
-			usbi_dbg(ctx, "Interrupt buffer was full\n");
-			break;
-		case USB_LC_STAT_INVALID_REQ:
-			usbi_dbg(ctx, "Request was Invalid\n");
-			break;
-		case USB_LC_STAT_INTERRUPTED:
-			usbi_dbg(ctx, "Request was Interrupted\n");
-			break;
-		case USB_LC_STAT_NO_RESOURCES:
-			usbi_dbg(ctx, "No resources available for "
-			    "request\n");
-			break;
-		case USB_LC_STAT_INTR_POLLING_FAILED:
-			usbi_dbg(ctx, "Failed to Restart Poll");
-			break;
-		default:
-			usbi_dbg(ctx, "Error Not Determined %d\n",
-			    status);
-			break;
-		}
-	} else {
-		usbi_dbg(ctx, "read stat error: %s",strerror(errno));
-		status = -1;
-	}
-
-	return (status);
-}
-
-const struct usbi_os_backend usbi_backend = {
-        .name = "Solaris",
-        .caps = 0,
-        .get_device_list = sunos_get_device_list,
-        .get_active_config_descriptor = sunos_get_active_config_descriptor,
-        .get_config_descriptor = sunos_get_config_descriptor,
-        .open = sunos_open,
-        .close = sunos_close,
-        .get_configuration = sunos_get_configuration,
-        .set_configuration = sunos_set_configuration,
-        .claim_interface = sunos_claim_interface,
-        .release_interface = sunos_release_interface,
-        .set_interface_altsetting = sunos_set_interface_altsetting,
-        .clear_halt = sunos_clear_halt,
-        .kernel_driver_active = sunos_kernel_driver_active,
-        .detach_kernel_driver = sunos_detach_kernel_driver,
-        .attach_kernel_driver = sunos_attach_kernel_driver,
-        .destroy_device = sunos_destroy_device,
-        .submit_transfer = sunos_submit_transfer,
-        .cancel_transfer = sunos_cancel_transfer,
-        .handle_transfer_completion = sunos_handle_transfer_completion,
-        .device_priv_size = sizeof(sunos_dev_priv_t),
-        .device_handle_priv_size = sizeof(sunos_dev_handle_priv_t),
-        .transfer_priv_size = sizeof(sunos_xfer_priv_t),
-};