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CVS commit: pkgsrc/devel/libusb1



Module Name:    pkgsrc
Committed By:   jperkin
Date:           Tue Aug 11 09:07:42 UTC 2026

Modified Files:
        pkgsrc/devel/libusb1: Makefile distinfo
        pkgsrc/devel/libusb1/patches: patch-libusb_os_illumos__usb.c
            patch-libusb_os_illumos__usb.h

Log Message:
libusb1: Update illumos patches.

Bump PKGREVISION.


To generate a diff of this commit:
cvs rdiff -u -r1.37 -r1.38 pkgsrc/devel/libusb1/Makefile
cvs rdiff -u -r1.24 -r1.25 pkgsrc/devel/libusb1/distinfo
cvs rdiff -u -r1.1 -r1.2 \
    pkgsrc/devel/libusb1/patches/patch-libusb_os_illumos__usb.c \
    pkgsrc/devel/libusb1/patches/patch-libusb_os_illumos__usb.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: pkgsrc/devel/libusb1/Makefile
diff -u pkgsrc/devel/libusb1/Makefile:1.37 pkgsrc/devel/libusb1/Makefile:1.38
--- pkgsrc/devel/libusb1/Makefile:1.37  Tue May 19 13:30:19 2026
+++ pkgsrc/devel/libusb1/Makefile       Tue Aug 11 09:07:41 2026
@@ -1,7 +1,8 @@
-# $NetBSD: Makefile,v 1.37 2026/05/19 13:30:19 adam Exp $
+# $NetBSD: Makefile,v 1.38 2026/08/11 09:07:41 jperkin Exp $
 
 DISTNAME=      libusb-1.0.30
 PKGNAME=       ${DISTNAME:S/libusb/libusb1/}
+PKGREVISION=   1
 CATEGORIES=    devel
 MASTER_SITES=  ${MASTER_SITE_GITHUB:=libusb/}
 GITHUB_PROJECT=        libusb

Index: pkgsrc/devel/libusb1/distinfo
diff -u pkgsrc/devel/libusb1/distinfo:1.24 pkgsrc/devel/libusb1/distinfo:1.25
--- pkgsrc/devel/libusb1/distinfo:1.24  Tue May 19 13:30:19 2026
+++ pkgsrc/devel/libusb1/distinfo       Tue Aug 11 09:07:42 2026
@@ -1,9 +1,9 @@
-$NetBSD: distinfo,v 1.24 2026/05/19 13:30:19 adam Exp $
+$NetBSD: distinfo,v 1.25 2026/08/11 09:07:42 jperkin Exp $
 
 BLAKE2s (libusb-1.0.30.tar.bz2) = ad39f0666dfa5c016ad9b41463901dc319427934f90b4716756b65f10bcb4f2a
 SHA512 (libusb-1.0.30.tar.bz2) = b14241bc499cdf353bb7fe02cea9a754b011f40ef0d0376ff8921f129f888b514d481e54c6aa380be04f655e027aaf4d6d9eba142b15758dea2e32f64af7b0c2
 Size (libusb-1.0.30.tar.bz2) = 656112 bytes
 SHA1 (patch-configure.ac) = 52ef406375ea88ea06b8a0c4b1bace2c43586783
 SHA1 (patch-libusb_Makefile.am) = 4cbaca146dd349aad83e1ed696e8395a60c24780
-SHA1 (patch-libusb_os_illumos__usb.c) = ec9f086e29f8cfecc08842a903d7b6be61664c51
-SHA1 (patch-libusb_os_illumos__usb.h) = 3ea0581946ba4e1d21a718899c041977c1f2e5a4
+SHA1 (patch-libusb_os_illumos__usb.c) = f3eee10776b1ad2071efb139a7833a9fa325b5a4
+SHA1 (patch-libusb_os_illumos__usb.h) = deb3afcb259d7a7bde41dddb3ae4e363d9bcd6bd

Index: pkgsrc/devel/libusb1/patches/patch-libusb_os_illumos__usb.c
diff -u pkgsrc/devel/libusb1/patches/patch-libusb_os_illumos__usb.c:1.1 pkgsrc/devel/libusb1/patches/patch-libusb_os_illumos__usb.c:1.2
--- pkgsrc/devel/libusb1/patches/patch-libusb_os_illumos__usb.c:1.1     Fri Feb 16 08:13:13 2024
+++ pkgsrc/devel/libusb1/patches/patch-libusb_os_illumos__usb.c Tue Aug 11 09:07:42 2026
@@ -1,4 +1,4 @@
-$NetBSD: patch-libusb_os_illumos__usb.c,v 1.1 2024/02/16 08:13:13 nia Exp $
+$NetBSD: patch-libusb_os_illumos__usb.c,v 1.2 2026/08/11 09:07:42 jperkin Exp $
 
 illumos support; via OmniOS.
 
@@ -7,13 +7,12 @@ From: "Joshua M. Clulow" <josh%sysmgr.or@localhost
 Date: Mon, 27 Dec 2021 16:08:38 -0800
 Subject: [PATCH] illumos: split off from Solaris backend
 
---- libusb/os/illumos_usb.c.orig       2024-02-16 08:09:37.472034604 +0000
+--- libusb/os/illumos_usb.c.orig       2026-08-06 12:39:03.187773814 +0000
 +++ libusb/os/illumos_usb.c
-@@ -0,0 +1,1711 @@
+@@ -0,0 +1,1856 @@
 +/*
-+ *
 + * Copyright (c) 2016, Oracle and/or its affiliates.
-+ * Copyright 2021 Oxide Computer Company
++ * Copyright 2024 Oxide Computer Company
 + *
 + * This library is free software; you can redistribute it and/or
 + * modify it under the terms of the GNU Lesser General Public
@@ -54,16 +53,21 @@ Subject: [PATCH] illumos: split off from
 +#include "libusbi.h"
 +#include "illumos_usb.h"
 +
-+#define       UPDATEDRV_PATH  "/usr/sbin/update_drv"
-+#define       UPDATEDRV       "update_drv"
-+
-+#define       DEFAULT_LISTSIZE        6
++#define       DEVICES_PREFIX  "/devices"
 +
-+typedef struct {
-+      int     nargs;
-+      int     listsize;
-+      char    **string;
-+} string_list_t;
++#if !defined(ARRAY_SIZE)
++#define       ARRAY_SIZE(x)   (sizeof (x) / sizeof (x[0]))
++#endif
++
++struct {
++      const char *name;
++      enum libusb_speed speed;
++} illumos_speed_props[] = {
++      { .name = "low-speed",          .speed = LIBUSB_SPEED_LOW },
++      { .name = "high-speed",         .speed = LIBUSB_SPEED_HIGH },
++      { .name = "full-speed",         .speed = LIBUSB_SPEED_FULL },
++      { .name = "super-speed",        .speed = LIBUSB_SPEED_SUPER },
++};
 +
 +/*
 + * Backend functions
@@ -88,173 +92,148 @@ Subject: [PATCH] illumos: split off from
 +static int illumos_cancel_transfer(struct usbi_transfer *);
 +static int illumos_handle_transfer_completion(struct usbi_transfer *);
 +static int illumos_kernel_driver_active(struct libusb_device_handle *, uint8_t);
-+static int illumos_detach_kernel_driver(struct libusb_device_handle *, uint8_t);
-+static int illumos_attach_kernel_driver(struct libusb_device_handle *, uint8_t);
-+static int illumos_usb_open_ep0(illumos_dev_handle_priv_t *hpriv,
-+    illumos_dev_priv_t *dpriv);
-+static int illumos_usb_ioctl(struct libusb_device *dev, int cmd);
++static int illumos_usb_open_ep0(struct libusb_context *,
++    illumos_dev_handle_priv_t *ihp, illumos_dev_priv_t *idp);
 +
-+static int
-+illumos_get_link(di_devlink_t devlink, void *arg)
++static void
++illumos_ensure_closed(struct libusb_context *ctx, int *fd)
 +{
-+      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);
-+              }
++      if (*fd < 0) {
++              return;
 +      }
 +
-+      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);
++      if (close(*fd) != 0) {
++              usbi_err(ctx, "close fd %d failed: errno %d", *fd, errno);
++      }
++      *fd = -1;
 +}
 +
-+
 +static int
-+illumos_physpath_to_devlink(
-+    const char *node_path, const char *match, char **link_path)
++illumos_gdl_find_ugenpath_walk(di_devlink_t devlink, void *arg)
 +{
-+      walk_link_t larg;
-+      di_devlink_handle_t hdl;
++      struct libusb_device *dev = arg;
++      illumos_dev_priv_t *idp = usbi_get_device_priv(dev);
 +
-+      *link_path = NULL;
-+      larg.linkpp = link_path;
-+      if ((hdl = di_devlink_init(NULL, 0)) == NULL) {
-+              usbi_dbg(NULL, "di_devlink_init failure");
-+              return (-1);
++      const char *content = di_devlink_content(devlink);
++      if (content == NULL) {
++              return (DI_WALK_CONTINUE);
 +      }
 +
-+      larg.len = strlen(node_path);
-+      larg.path = (char *)node_path;
++      usbi_dbg(DEVICE_CTX(dev), "link content: %s", content);
 +
-+      (void) di_devlink_walk(hdl, match, NULL, DI_PRIMARY_LINK,
-+          (void *)&larg, illumos_get_link);
++      /*
++       * Links from /dev are relative links back up out and down into
++       * the parallel /devices tree.  Strip the prefix off so that
++       * our path is anchored directly below /devices:
++       */
++      const char *start = strstr(content, DEVICES_PREFIX);
++      if (start == NULL) {
++              return (DI_WALK_CONTINUE);
++      }
++      start += strlen(DEVICES_PREFIX);
++      if (start[0] != '/') {
++              return (DI_WALK_CONTINUE);
++      }
 +
-+      (void) di_devlink_fini(&hdl);
++      /*
++       * Make sure that this link targets the same /devices path as the one
++       * we were passed, and that it has a minor node suffix (after the
++       * separating colon):
++       */
++      size_t len = strlen(idp->idp_physpath);
++      if (strncmp(start, idp->idp_physpath, len) != 0 || start[len] != ':') {
++              return (DI_WALK_CONTINUE);
++      }
 +
-+      if (*link_path == NULL) {
-+              usbi_dbg(NULL, "there is no devlink for this path");
-+              return (-1);
++      /*
++       * Get the link name; e.g., "/dev/usb/483.3754/0/cntrl0":
++       */
++      const char *p = di_devlink_path(devlink);
++      if (p == NULL) {
++              return (DI_WALK_CONTINUE);
 +      }
 +
-+      return (0);
++      usbi_dbg(DEVICE_CTX(dev), "link path: %s", p);
++
++      /*
++       * Trim out the last path component to get the containing directory:
++       */
++      const char *q = strrchr(p, '/');
++      if (q == NULL || (idp->idp_ugenpath = strndup(p, q - p)) == NULL) {
++              return (DI_WALK_CONTINUE);
++      }
++
++      return (DI_WALK_TERMINATE);
 +}
 +
++/*
++ * Given a device with a base /devices path (no minor node suffix) locate the
++ * /dev directory that contains the ugen(4D) device nodes; e.g.,
++ * "/dev/usb/483.3754/0".  We do this by walking devlinks to look for one that
++ * targets a minor node for that /devices path.
++ */
 +static int
-+illumos_usb_ioctl(struct libusb_device *dev, int cmd)
++illumos_gdl_find_ugenpath(illumos_get_device_list_t *gdl,
++    struct libusb_device *dev)
 +{
-+      int fd;
-+      nvlist_t *nvlist;
-+      char *end;
-+      char *phypath;
-+      char *hubpath;
-+      char path_arg[PATH_MAX];
-+      illumos_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);
++      illumos_dev_priv_t *idp = usbi_get_device_priv(dev);
 +
-+      end = strrchr(hubpath, '@');
-+      if (end == NULL) {
-+              free(hubpath);
-+              return (-1);
++      if (idp->idp_ugenpath != NULL) {
++              free(idp->idp_ugenpath);
++              idp->idp_ugenpath = NULL;
 +      }
-+      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);
++      /*
++       * We only wish to consider /dev links for our vendor and product ID:
++       */
++      char match[PATH_MAX];
++      (void) snprintf(match, sizeof (match), "^usb/%x.%x",
++          dev->device_descriptor.idVendor,
++          dev->device_descriptor.idProduct);
++      usbi_dbg(DEVICE_CTX(dev), "/dev match regex is \"%s\"", match);
++
++      if (di_devlink_walk(gdl->gdl_devlink, match, NULL, DI_PRIMARY_LINK,
++          dev, illumos_gdl_find_ugenpath_walk) != 0) {
++              usbi_err(DEVICE_CTX(dev), "di_devlink_walk() failed: "
++                  "errno %d (%s)", errno, strerror(errno));
 +              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);
++      if (idp->idp_ugenpath == NULL) {
++              usbi_err(DEVICE_CTX(dev), "ugen path not found for "
++                  "device (match \"%s\", physpath \"%s\")", match,
++                  idp->idp_physpath);
++              return (-1);
 +      }
 +
-+      close(fd);
-+      free(iocdata.nvl_user);
-+      nvlist_free(nvlist);
-+      free(hubpath);
-+
-+      return (-errno);
++      usbi_dbg(DEVICE_CTX(dev), "selected ugen path: %s", idp->idp_ugenpath);
++      return (0);
 +}
 +
 +static int
 +illumos_kernel_driver_active(struct libusb_device_handle *dev_handle,
 +    uint8_t interface)
 +{
-+      illumos_dev_priv_t *dpriv = usbi_get_device_priv(dev_handle->dev);
++      illumos_dev_priv_t *idp = usbi_get_device_priv(dev_handle->dev);
 +
 +      UNUSED(interface);
 +
-+      usbi_dbg(HANDLE_CTX(dev_handle), "%s", dpriv->ugenpath);
++      usbi_dbg(HANDLE_CTX(dev_handle), "ugenpath: %s", idp->idp_ugenpath);
 +
-+      return (dpriv->ugenpath == NULL);
++      /*
++       * The only way for libusb to take control of a USB device is if it has
++       * ugen(4D) device nodes.  Some drivers, like hid(4D), expose ugen
++       * nodes even though there is a kernel driver attached to the device.
++       * Such drivers are willing to mediate between in-kernel access and
++       * access from user programs.  Other devices may be explictly bound to
++       * ugen, or ugen nodes may be exposed as a fall-back by usb_mid(4D)
++       * when no other driver ends up matching the device.
++       *
++       * In summary: if we were able to find ugen(4D) nodes device
++       * enumeration, we treat the device as something we can try to open.
++       * Otherwise, we report that the kernel is holding the device.
++       */
++      return (idp->idp_ugenpath == NULL);
 +}
 +
 +/*
@@ -263,240 +242,259 @@ Subject: [PATCH] illumos: split off from
 +static int _errno_to_libusb(int);
 +static int illumos_usb_get_status(struct libusb_context *ctx, int fd);
 +
-+static string_list_t *
-+illumos_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
-+illumos_append_to_string_list(string_list_t *list, const char *arg)
++illumos_gdl_bus_number(illumos_get_device_list_t *gdl, di_node_t root_hub,
++    illumos_make_session_id_t *msi)
 +{
-+      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;
++      /*
++       * Determine the driver name and instance number for the root hub.
++       * We will use this to assign a USB bus number.
++       */
++      char *driver;
++      int inum;
++      if ((driver = di_driver_name(root_hub)) == NULL ||
++          (inum = di_instance(root_hub)) < 0) {
++              usbi_err(gdl->gdl_ctx, "could not get driver/instance");
++              return (EIO);
 +      }
-+      list->string[list->nargs++] = str;
-+
-+      return (0);
-+}
 +
-+static void
-+illumos_free_string_list(string_list_t *list)
-+{
-+      int i;
++      char *instance;
++      if (asprintf(&instance, "%s%d", driver, inum) < 0) {
++              usbi_err(gdl->gdl_ctx, "could not make driver/instance string");
++              return (EIO);
++      }
 +
-+      for (i = 0; i < list->nargs; i++) {
-+              free(list->string[i]);
++      /*
++       * Walk through to check if we have assigned this already:
++       */
++      for (uint_t n = 0; n < MAX_BUSES; n++) {
++              if (gdl->gdl_buses[n] == NULL) {
++                      /*
++                       * If we reach an unused slot, use that slot for
++                       * this root hub:
++                       */
++                      usbi_dbg(gdl->gdl_ctx, "new bus: %s -> bus %u",
++                          instance, n);
++                      gdl->gdl_buses[n] = instance;
++                      msi->msi_bus_number = n;
++                      return (0);
++              } else if (strcmp(gdl->gdl_buses[n], instance) == 0) {
++                      /*
++                       * This root hub was already assigned a device:
++                       */
++                      free(instance);
++                      msi->msi_bus_number = n;
++                      return (0);
++              }
 +      }
 +
-+      free(list->string);
-+      free(list);
++      /*
++       * We have run out of bus IDs!
++       */
++      free(instance);
++      usbi_err(gdl->gdl_ctx, "ran out of bus IDs!");
++      return (EOVERFLOW);
 +}
 +
-+static char **
-+illumos_build_argv_list(string_list_t *list)
++/*
++ * Our 64-bit session IDs for devices other than root hubs have the
++ * following format:
++ *
++ *    BITS
++ *    0-7             device assigned-address
++ *    8-15            hub level 0 (immediate parent) assigned-address
++ *    16-23           hub level 1 (if present)
++ *    24-31           hub level 2 (if present)
++ *    32-39           hub level 3 (if present)
++ *    40-47           hub level 4 (if present)
++ *    48-50           root hub PCI function
++ *    51-55           root hub PCI device
++ *    56-63           root hub PCI bus
++ *
++ * For a root hub, only bits 48-63 will be populated and the rest will be
++ * zero.
++ */
++static int
++illumos_gdl_make_session_id(illumos_get_device_list_t *gdl, di_node_t node,
++     illumos_make_session_id_t *msi)
 +{
-+      return (list->string);
-+}
++      uint_t byt = 0;
 +
++      /*
++       * Devices are assumed to be root hubs until we discover otherwise:
++       */
++      msi->msi_is_root_hub = 1;
 +
-+static int
-+illumos_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;
++      while (node != DI_NODE_NIL) {
++              int r;
++              int *unused;
++              int has_root_hub_prop = 0;
 +
-+      argv_list = illumos_build_argv_list(list);
-+      if (argv_list == NULL)
-+              return (-1);
++              usbi_dbg(NULL, "loop %p", node);
 +
-+      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;
++              /*
++               * Look for the "root-hub" property on this device node.
++               * The property is a boolean, so its mere existence
++               * represents "true".  If true, this node is a root hub.
++               */
++              if ((r = di_prop_lookup_ints(DDI_DEV_T_ANY, node,
++                  "root-hub", &unused)) == 0) {
++                      has_root_hub_prop = 1;
++              } else if (r >= 1) {
++                      /*
++                       * This should never happen for a boolean property.
++                       */
++                      usbi_err(NULL, "unexpected root-hub "
++                          "lookup return %d", r);
++                      return (EIO);
++              } else if (r < 0 && errno != ENXIO) {
++                      /*
++                       * Report errors other than a failure to find the
++                       * property.
++                       */
++                      usbi_err(NULL, "unexpected root-hub "
++                          "lookup error %d", errno);
++                      return (EIO);
 +              }
-+      } else {
-+              /* fork failed */
-+              usbi_err(ctx, "fork failed: errno %d (%s)", errno,
-+                  strerror(errno));
-+              exit_status = -1;
-+      }
 +
-+      return (exit_status);
-+}
++              if (!has_root_hub_prop) {
++                      int *addr;
 +
-+static int
-+illumos_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];
-+      illumos_dev_priv_t *dpriv;
-+      int r;
++                      /*
++                       * If we see any other device, this is not a root hub.
++                       */
++                      msi->msi_is_root_hub = 0;
 +
-+      UNUSED(interface_number);
++                      /*
++                       * Get the "assigned-address" value of the current
++                       * node.  Root hubs don't have this property, but
++                       * all other USB devices (including external hubs)
++                       * must.
++                       */
++                      if ((r = di_prop_lookup_ints(DDI_DEV_T_ANY, node,
++                          "assigned-address", &addr)) < 0) {
++                              /*
++                               * XXX report error
++                               */
++                              usbi_err(NULL, "unexpected address "
++                                  "lookup error %d", errno);
++                              return (EIO);
++                      } else if (r != 1) {
++                              /*
++                               * XXX Expected just one integer here, not a
++                               * boolean or a list.
++                               */
++                              usbi_err(NULL, "unexpected address "
++                                  "lookup return %d", r);
++                              return (EIO);
++                      } else if (*addr > UINT8_MAX || *addr < 1) {
++                              /*
++                               * We need USB addresses to fit in a byte
++                               * and to be non-zero.
++                               */
++                              usbi_err(NULL, "unexpected address %d",
++                                  *addr);
++                              return (EIO);
++                      }
 +
-+      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);
++                      /*
++                       * Store the USB address in the session ID in the
++                       * next available byte.
++                       */
++                      if (byt >= 5) {
++                              /*
++                               * We have run out of slots.
++                               */
++                              usbi_err(NULL, "ran out of slots");
++                              return (EIO);
++                      }
++                      usbi_dbg(NULL, "slot %u = %x", byt, *addr & 0xFF);
++                      msi->msi_session_id |= (*addr & 0xFF) << (byt++ * 8);
 +
-+      list = illumos_new_string_list();
-+      if (list == NULL)
-+              return (LIBUSB_ERROR_NO_MEM);
++                      /*
++                       * Walk one node up the device tree.
++                       */
++                      node = di_parent_node(node);
++                      continue;
++              }
 +
-+      /* attach ugen driver */
-+      r = 0;
-+      r |= illumos_append_to_string_list(list, UPDATEDRV);
-+      r |= illumos_append_to_string_list(list, "-a"); /* add rule */
-+      r |= illumos_append_to_string_list(list, "-i"); /* specific device */
-+      r |= illumos_append_to_string_list(list, path_arg); /* physical path */
-+      r |= illumos_append_to_string_list(list, "ugen");
-+      if (r) {
-+              illumos_free_string_list(list);
-+              return (LIBUSB_ERROR_NO_MEM);
-+      }
++              /*
++               * Assign a bus number to this root hub if we have not done
++               * that already.
++               */
++              if ((r = illumos_gdl_bus_number(gdl, node, msi)) != 0) {
++                      usbi_err(NULL, "bus number failure %d", r);
++                      return (r);
++              }
 +
-+      r = illumos_exec_command(ctx, UPDATEDRV_PATH, list);
-+      illumos_free_string_list(list);
-+      if (r < 0)
-+              return (LIBUSB_ERROR_OTHER);
-+
-+      /* reconfigure the driver node */
-+      r = 0;
-+      r |= illumos_usb_ioctl(dev_handle->dev, DEVCTL_AP_DISCONNECT);
-+      r |= illumos_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);
-+      illumos_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);
++              /*
++               * This is the USB host controller.  Determine the PCI BDF
++               * for this device and include it at the top of the session
++               * ID:
++               */
++              int *regs;
++              if (di_prop_lookup_ints(DDI_DEV_T_ANY, node, "reg",
++                  &regs) <= 0) {
++                      /*
++                       * XXX
++                       */
++                      usbi_err(NULL, "reg lookup failure %d %d", r, errno);
++                      return (EIO);
++              }
++              msi->msi_session_id |=
++                  ((uint64_t)(PCI_REG_FUNC_G(regs[0])) << 48) |
++                  ((uint64_t)(PCI_REG_DEV_G(regs[0])) << 51) |
++                  ((uint64_t)(PCI_REG_BUS_G(regs[0])) << 56);
++
++              /*
++               * Once we have found the root hub, the session ID is complete.
++               */
++              return (0);
 +      }
 +
-+      return (illumos_usb_open_ep0(usbi_get_device_handle_priv(dev_handle),
-+          dpriv));
++      /*
++       * If we get down here, it means we have walked out of the tree without
++       * finding the root hub.
++       */
++      usbi_err(NULL, "could not find root hub!");
++      return (ENOENT);
 +}
 +
-+static int
-+illumos_attach_kernel_driver(struct libusb_device_handle *dev_handle,
-+    uint8_t interface_number)
++static void
++illumos_dev_priv_reset(illumos_dev_priv_t *idp)
 +{
-+      struct libusb_context *ctx = HANDLE_CTX(dev_handle);
-+      string_list_t *list;
-+      char path_arg[PATH_MAX];
-+      illumos_dev_priv_t *dpriv;
-+      int r;
-+
-+      UNUSED(interface_number);
-+
-+      /* we open the dev in detach driver, so we need close it first. */
-+      illumos_close(dev_handle);
++      free(idp->idp_raw_cfgdescr);
++      idp->idp_raw_cfgdescr = NULL;
++      idp->idp_cfgvalue = 0;
 +
-+      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);
++      free(idp->idp_ugenpath);
++      idp->idp_ugenpath = NULL;
 +
-+      list = illumos_new_string_list();
-+      if (list == NULL)
-+              return (LIBUSB_ERROR_NO_MEM);
-+
-+      /* detach ugen driver */
-+      r = 0;
-+      r |= illumos_append_to_string_list(list, UPDATEDRV);
-+      r |= illumos_append_to_string_list(list, "-d"); /* add rule */
-+      r |= illumos_append_to_string_list(list, "-i"); /* specific device */
-+      r |= illumos_append_to_string_list(list, path_arg); /* physical path */
-+      r |= illumos_append_to_string_list(list, "ugen");
-+      if (r) {
-+              illumos_free_string_list(list);
-+              return (LIBUSB_ERROR_NO_MEM);
-+      }
-+
-+      r = illumos_exec_command(ctx, UPDATEDRV_PATH, list);
-+      illumos_free_string_list(list);
-+      if (r < 0)
-+              return (LIBUSB_ERROR_OTHER);
-+
-+      /* reconfigure the driver node */
-+      r = 0;
-+      r |= illumos_usb_ioctl(dev_handle->dev, DEVCTL_AP_CONFIGURE);
-+      r |= illumos_usb_ioctl(dev_handle->dev, DEVCTL_AP_DISCONNECT);
-+      r |= illumos_usb_ioctl(dev_handle->dev, DEVCTL_AP_CONFIGURE);
-+      if (r)
-+              usbi_warn(HANDLE_CTX(dev_handle), "one or more ioctls failed");
-+
-+      return (0);
++      /*
++       * This string is allocated with di_devfs_path(3DEVINFO) and thus must
++       * be freed accordingly:
++       */
++      di_devfs_path_free(idp->idp_physpath);
++      idp->idp_physpath = NULL;
 +}
 +
 +static int
-+illumos_fill_in_dev_info(di_node_t node, struct libusb_device *dev)
++illumos_gdl_dev_load(illumos_get_device_list_t *gdl, di_node_t node,
++    struct libusb_device *dev)
 +{
 +      int proplen;
-+      int *i, n, *addr, *port_prop;
-+      char *phypath;
++      int n, *addr, *port_prop;
 +      uint8_t *rdata;
-+      illumos_dev_priv_t *dpriv = usbi_get_device_priv(dev);
-+      char match_str[PATH_MAX];
++      illumos_dev_priv_t *idp = usbi_get_device_priv(dev);
++      di_node_t parent;
++      int r = LIBUSB_ERROR_IO;
 +
 +      /* Device descriptors */
 +      proplen = di_prop_lookup_bytes(DDI_DEV_T_ANY, node,
 +          "usb-dev-descriptor", &rdata);
 +      if (proplen <= 0) {
-+              return (LIBUSB_ERROR_IO);
++              usbi_err(DEVICE_CTX(dev), "could not get device descriptor");
++              goto bail;
 +      }
 +      bcopy(rdata, &dev->device_descriptor, LIBUSB_DT_DEVICE_SIZE);
 +
@@ -504,316 +502,404 @@ Subject: [PATCH] illumos: split off from
 +      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);
++              usbi_err(DEVICE_CTX(dev), "could not get raw config");
++              goto bail;
 +      }
-+      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;
++      free(idp->idp_raw_cfgdescr);
++      if ((idp->idp_raw_cfgdescr = calloc(1, proplen)) == NULL) {
++              r = LIBUSB_ERROR_NO_MEM;
++              goto bail;
 +      }
 +
-+      n = di_prop_lookup_ints(DDI_DEV_T_ANY, node, "reg", &port_prop);
++      bcopy(rdata, idp->idp_raw_cfgdescr, proplen);
++      idp->idp_cfgvalue = ((struct libusb_config_descriptor *)
++          rdata)->bConfigurationValue;
 +
-+      if ((n != 1) || (*port_prop <= 0)) {
-+              return (LIBUSB_ERROR_IO);
++      /*
++       * The "reg" property contains the port number that this device
++       * is connected to, which is of course only unique within the hub
++       * to which the device is attached.
++       */
++      n = di_prop_lookup_ints(DDI_DEV_T_ANY, node, "reg", &port_prop);
++      if (n != 1 || *port_prop <= 0) {
++              usbi_err(DEVICE_CTX(dev), "could not get reg property");
++              goto bail;
 +      }
 +      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);
-+              illumos_physpath_to_devlink(dpriv->phypath, match_str,
-+                  &dpriv->ugenpath);
-+              di_devfs_path_free(phypath);
-+
++      /*
++       * In addition to the port number, we must also populate the
++       * parent device pointer so that USB devices can be correctly
++       * treated as a tree.  The parent links are used by
++       * libusb_get_port_numbers() to construct the full path back to
++       * the root hub (not just the local port number), which is then
++       * used by software like hidapi to uniquely identify a device.
++       */
++      if ((parent = di_parent_node(node)) == DI_NODE_NIL) {
++              usbi_err(DEVICE_CTX(dev), "could not get parent node");
++              goto bail;
 +      } else {
-+              free(dpriv->raw_cfgdescr);
++              illumos_make_session_id_t msi = {};
++              if (illumos_gdl_make_session_id(gdl, parent, &msi) != 0) {
++                      usbi_err(DEVICE_CTX(dev), "could not get "
++                          "session ID for parent node");
++                      goto bail;
++              }
 +
-+              return (LIBUSB_ERROR_IO);
++              if (msi.msi_is_root_hub) {
++                      usbi_dbg(DEVICE_CTX(dev), "parent device %llx "
++                          "for session ID %llx is a root hub",
++                          (unsigned long long)msi.msi_session_id,
++                          (unsigned long long)dev->session_data);
++                      dev->parent_dev = NULL;
++              } else if ((dev->parent_dev = usbi_get_device_by_session_id(
++                  gdl->gdl_ctx, msi.msi_session_id)) == NULL) {
++                      usbi_err(DEVICE_CTX(dev), "could not locate "
++                          "parent device %llx for session ID %llx",
++                          (unsigned long long)msi.msi_session_id,
++                          (unsigned long long)dev->session_data);
++                      goto bail;
++              }
++      }
++
++      /*
++       * Get the /devices path for this device, and use it to locate the
++       * ugen(4D) /dev path:
++       */
++      di_devfs_path_free(idp->idp_physpath);
++      if ((idp->idp_physpath = di_devfs_path(node)) == NULL) {
++              if (errno == EAGAIN) {
++                      r = LIBUSB_ERROR_NO_MEM;
++              }
++              usbi_err(DEVICE_CTX(dev), "could not get /devices path: "
++                  "errno %d", errno);
++              goto bail;
++      }
++
++      if (illumos_gdl_find_ugenpath(gdl, dev) != 0) {
++              /*
++               * Not every device will be accessible via ugen(4D).  We still
++               * need to enumerate devices even if they cannot currently be
++               * controlled, so this is not a fatal error.
++               */
++              usbi_warn(DEVICE_CTX(dev), "could not get ugen path");
 +      }
 +
 +      /* address */
-+      n = di_prop_lookup_ints(DDI_DEV_T_ANY, node, "assigned-address", &addr);
++      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");
++              usbi_err(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;
++      /*
++       * Device speed is reported as a boolean node property; e.g.,
++       * "high-speed".  Find the highest reported speed property for this
++       * device:
++       */
++      dev->speed = LIBUSB_SPEED_UNKNOWN;
++      for (uint_t i = 0; i < ARRAY_SIZE(illumos_speed_props); i++) {
++              int *unused;
++
++              if (di_prop_lookup_ints(DDI_DEV_T_ANY, node,
++                  illumos_speed_props[i].name, &unused) >= 0) {
++                      dev->speed = illumos_speed_props[i].speed;
++                      break;
++              }
 +      }
 +
 +      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);
++          "vid=%x pid=%x, path=%s, bus=%u, port_number=%d, speed=%d",
++          dev->device_descriptor.idVendor,
++          dev->device_descriptor.idProduct,
++          idp->idp_physpath, dev->bus_number, dev->port_number, dev->speed);
 +
 +      return (LIBUSB_SUCCESS);
++
++bail:
++      illumos_dev_priv_reset(idp);
++      return (r);
 +}
 +
 +static int
-+illumos_add_devices(di_devlink_t link, void *arg)
++illumos_gdl_dev_append(illumos_get_device_list_t *gdl,
++    struct libusb_device *dev)
 +{
-+      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;
-+      illumos_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
++      struct discovered_devs *dd = *gdl->gdl_discdevs;
++      int r = 0;
++
++      /*
++       * This routine will automatically realloc(3C) the device list if
++       * required, but unlike realloc() it will automatically free the
++       * original list on failure.  Either way, we always want to replace our
++       * pointer with the returned pointer.
 +       */
-+      if (myself == DI_NODE_NIL)
-+              return (DI_WALK_CONTINUE);
++      if ((dd = discovered_devs_append(dd, dev)) == NULL) {
++              usbi_err(NULL, "could not append device");
++              r = -1;
++      }
++
++      *gdl->gdl_discdevs = dd;
++      return (r);
++}
 +
-+      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) {
++static int
++illumos_gdl_scan_hub(illumos_get_device_list_t *gdl, di_node_t hub_node)
++{
++      struct libusb_context *ctx = gdl->gdl_ctx;
++      char *hpath = di_devfs_path(hub_node);
++      usbi_dbg(gdl->gdl_ctx, "scanning under hub: %s", hpath);
++      di_devfs_path_free(hpath);
++
++      for (di_node_t node = di_child_node(hub_node); node != DI_NODE_NIL;
++          node = di_sibling_node(node)) {
++              int r;
++              illumos_make_session_id_t msi = {};
++              if ((r = illumos_gdl_make_session_id(gdl, node, &msi) != 0)) {
++                      usbi_err(ctx, "could not generate session ID (%d)", r);
 +                      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");
++
++              char *path = di_devfs_path(node);
++              if (path == NULL) {
++                      usbi_err(ctx, "di_devfs_path() failure!");
 +                      continue;
 +              }
 +
-+              sid = (session_id << 8) | (addr_prop[0] & 0xff) ;
-+              usbi_dbg(NULL, "session id %" PRIX64, sid);
++              usbi_dbg(ctx,
++                  "bus number = %u, session ID = 0x%llx, path = %s",
++                  (uint_t)msi.msi_bus_number,
++                  (unsigned long long)msi.msi_session_id,
++                  path);
++
++              di_devfs_path_free(path);
++
++              if (msi.msi_is_root_hub) {
++                      usbi_dbg(ctx, "skipping root hub (%llx)",
++                          (unsigned long long)msi.msi_session_id);
++                      continue;
++              }
 +
-+              dev = usbi_get_device_by_session_id(nargs->ctx, sid);
++              /*
++               * Whether we locate the device by its session ID, or allocate
++               * a new device here, we need to unref the device afterwards.
++               */
++              struct libusb_device *dev =
++                  usbi_get_device_by_session_id(gdl->gdl_ctx,
++                  msi.msi_session_id);
 +              if (dev == NULL) {
-+                      dev = usbi_alloc_device(nargs->ctx, sid);
-+                      if (dev == NULL) {
-+                              usbi_dbg(NULL, "can't alloc device");
++                      if ((dev = usbi_alloc_device(gdl->gdl_ctx,
++                          msi.msi_session_id)) == NULL) {
++                              usbi_err(ctx, "can't alloc device");
 +                              continue;
 +                      }
-+                      devpriv = usbi_get_device_priv(dev);
-+                      dev->bus_number = bus_number;
 +
-+                      if (illumos_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);
-+                      }
++                      usbi_dbg(DEVICE_CTX(dev), "device allocated");
 +              } else {
-+                      devpriv = usbi_get_device_priv(dev);
-+                      usbi_dbg(NULL, "Dev %s exists", devpriv->ugenpath);
++                      usbi_warn(DEVICE_CTX(dev), "device exists already");
 +              }
 +
-+              if (discovered_devs_append(*(nargs->discdevs), dev) == NULL) {
-+                      usbi_dbg(NULL, "cannot append device");
++              dev->bus_number = msi.msi_bus_number;
++
++              if (illumos_gdl_dev_load(gdl, node, dev) !=
++                  LIBUSB_SUCCESS) {
++                      usbi_err(ctx, "device info load (id 0x%" PRIx64 ")",
++                          msi.msi_session_id);
++                      goto unref;
 +              }
 +
-+              /*
-+               * 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);
++              if (usbi_sanitize_device(dev) < 0) {
++                      usbi_err(ctx, "sanatize failed");
++                      goto unref;
++              }
++
++              if (illumos_gdl_dev_append(gdl, dev) != 0) {
++                      goto unref;
++              }
++
++              illumos_dev_priv_t *idp = usbi_get_device_priv(dev);
++              usbi_dbg(ctx, "Device %s %s id=0x%" PRIx64 ", "
++                  "devcount:%" PRIuPTR,
++                  idp->idp_ugenpath, idp->idp_physpath,
++                  msi.msi_session_id, (*gdl->gdl_discdevs)->len);
 +
-+              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);
++unref:
++              libusb_unref_device(dev);
 +      }
 +
 +      return (DI_WALK_CONTINUE);
 +}
 +
 +static int
-+illumos_walk_minor_node_link(di_node_t node, void *args)
++illumos_gdl_find_hub_walk(di_devlink_t link, void *arg)
 +{
-+      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, illumos_add_devices);
++      illumos_gdl_find_hubs_t *dlfh = arg;
++
++      usbi_dbg(dlfh->dlfh_ctx, "found hub link: %s -> %s",
++          di_devlink_path(link) == NULL ? "?" : di_devlink_path(link),
++          di_devlink_content(link) == NULL ? "?" : di_devlink_content(link));
++
++      dlfh->dlfh_is_hub = 1;
++
++      return (DI_WALK_TERMINATE);
++}
++
++static int
++illumos_gdl_find_hubs(di_node_t node, void *arg)
++{
++      illumos_get_device_list_t *gdl = arg;
++
++      /*
++       * Walk the minor nodes of this device to see if it is a USB hub:
++       */
++      for (di_minor_t minor = di_minor_next(node, DI_MINOR_NIL);
++          minor != DI_MINOR_NIL; minor = di_minor_next(node, minor)) {
++              char *minor_path = di_devfs_minor_path(minor);
++
++              /*usbi_dbg(gdl->gdl_ctx, "finding hubs: %s", minor_path);*/
++
++              illumos_gdl_find_hubs_t dlfh = {
++                      .dlfh_ctx = gdl->gdl_ctx,
++              };
++              int r = di_devlink_walk(gdl->gdl_devlink, "^usb/hub[0-9]+",
++                  minor_path, DI_PRIMARY_LINK, &dlfh,
++                  illumos_gdl_find_hub_walk);
++              if (r != 0) {
++                      usbi_err(gdl->gdl_ctx, "di_devlink_walk() failed: "
++                          "errno %d (%s)", errno, strerror(errno));
++              }
++
++              if (dlfh.dlfh_is_hub) {
++                      illumos_gdl_scan_hub(gdl, node);
++              }
++
 +              di_devfs_path_free(minor_path);
 +      }
 +
-+      /* switch to a different node */
-+      nargs->last_ugenpath = NULL;
-+
 +      return (DI_WALK_CONTINUE);
 +}
 +
++/*
++ * Locate USB devices by locating all USB hub device nodes (linked as
++ * /dev/usb/hub[0-9]+) and then enumerating all child device nodes under the
++ * hub devices.
++ */
 +int
-+illumos_get_device_list(struct libusb_context * ctx,
-+      struct discovered_devs **discdevs)
++illumos_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;
++      di_node_t root_node = DI_NODE_NIL;
++      di_devlink_handle_t dlh = NULL;
++      int r = LIBUSB_ERROR_IO;
++
 +      if ((root_node = di_init("/", DINFOCPYALL)) == DI_NODE_NIL) {
-+              usbi_dbg(ctx, "di_int() failed: errno %d (%s)", errno,
++              usbi_err(ctx, "di_init() failed: errno %d (%s)", errno,
 +                  strerror(errno));
-+              return (LIBUSB_ERROR_IO);
++              goto out;
 +      }
 +
-+      if ((devlink_hdl = di_devlink_init(NULL, 0)) == NULL) {
-+              di_fini(root_node);
-+              usbi_dbg(ctx, "di_devlink_init() failed: errno %d (%s)", errno,
++      if ((dlh = di_devlink_init(NULL, 0)) == NULL) {
++              usbi_err(ctx, "di_devlink_init() failed: errno %d (%s)", errno,
 +                  strerror(errno));
-+              return (LIBUSB_ERROR_IO);
++              goto out;
 +      }
-+      args.dlink_hdl = devlink_hdl;
 +
-+      /* walk each node to find USB devices */
-+      if (di_walk_node(root_node, DI_WALK_SIBFIRST, &args,
-+          illumos_walk_minor_node_link) == -1) {
-+              usbi_dbg(ctx, "di_walk_node() failed: errno %d (%s)", errno,
++      /*
++       * Walk all device nodes to locate USB hubs.
++       */
++      illumos_get_device_list_t gdl = {
++              .gdl_ctx = ctx,
++              .gdl_discdevs = discdevs,
++              .gdl_devlink = dlh,
++      };
++      if (di_walk_node(root_node, DI_WALK_SIBFIRST, &gdl,
++          illumos_gdl_find_hubs) != 0) {
++              usbi_err(ctx, "di_walk_node() failed: errno %d (%s)", errno,
 +                  strerror(errno));
-+              di_fini(root_node);
-+              return (LIBUSB_ERROR_IO);
++              goto out;
 +      }
 +
-+      di_fini(root_node);
-+      di_devlink_fini(&devlink_hdl);
-+
 +      usbi_dbg(ctx, "%zu devices", (*discdevs)->len);
++      r = (*discdevs)->len;
 +
-+      return ((*discdevs)->len);
++out:
++      if (dlh != NULL) {
++              di_devlink_fini(&dlh);
++      }
++      if (root_node != DI_NODE_NIL) {
++              di_fini(root_node);
++      }
++
++      return (r);
 +}
 +
 +static int
-+illumos_usb_open_ep0(illumos_dev_handle_priv_t *hpriv,
-+    illumos_dev_priv_t *dpriv)
++illumos_usb_open_ep0(struct libusb_context *ctx, illumos_dev_handle_priv_t *ihp,
++    illumos_dev_priv_t *idp)
 +{
 +      char filename[PATH_MAX + 1];
++      int e;
 +
-+      if (hpriv->eps[0].datafd > 0) {
++      /*
++       * If we get here, the device must be one that we believe we can open;
++       * viz., we must have found a ugen(4D) device node for it:
++       */
++      assert(idp->idp_ugenpath != NULL);
++
++      if (ihp->ihp_eps[0].datafd >= 0) {
++              usbi_warn(ctx, "ep0 already open!");
++              assert(ihp->ihp_eps[0].statfd > 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));
++      (void) snprintf(filename, PATH_MAX, "%s/cntrl0", idp->idp_ugenpath);
++      usbi_dbg(ctx, "opening default endpoint: %s", filename);
++      if ((ihp->ihp_eps[0].datafd = open(filename, O_RDWR)) < 0) {
++              e = errno;
++              usbi_err(ctx, "failed to open default endpoint: %s: errno %d",
++                  filename, e);
++              goto fail;
++
 +      }
 +
-+      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));
++      (void) snprintf(filename, PATH_MAX, "%s/cntrl0stat", idp->idp_ugenpath);
++      if ((ihp->ihp_eps[0].statfd = open(filename, O_RDONLY)) < 0) {
++              e = errno;
++              usbi_err(ctx, "failed to open default endpoint status: %s: "
++                  "errno %d", filename, e);
++              goto fail;
 +      }
 +
 +      return (LIBUSB_SUCCESS);
++
++fail:
++      illumos_ensure_closed(ctx, &ihp->ihp_eps[0].datafd);
++      illumos_ensure_closed(ctx, &ihp->ihp_eps[0].statfd);
++      return (_errno_to_libusb(e));
 +}
 +
 +static void
-+illumos_usb_close_all_eps(illumos_dev_handle_priv_t *hdev)
++illumos_usb_close_all_eps(struct libusb_context *ctx,
++    illumos_dev_handle_priv_t *ihp)
 +{
-+      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;
-+              }
++      /*
++       * Skip the default endpoint (endpoint 0), closing all the others:
++       */
++      for (uint_t i = 1; i < USB_MAXENDPOINTS; i++) {
++              illumos_ensure_closed(ctx, &ihp->ihp_eps[i].datafd);
++              illumos_ensure_closed(ctx, &ihp->ihp_eps[i].statfd);
 +      }
 +}
 +
 +static void
-+illumos_usb_close_ep0(illumos_dev_handle_priv_t *hdev)
++illumos_usb_close_ep0(struct libusb_context *ctx,
++    illumos_dev_handle_priv_t *ihp)
 +{
-+      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;
++      if (ihp->ihp_eps[0].datafd >= 0) {
++              illumos_ensure_closed(ctx, &ihp->ihp_eps[0].datafd);
++              illumos_ensure_closed(ctx, &ihp->ihp_eps[0].statfd);
 +      }
 +}
 +
@@ -834,6 +920,7 @@ Subject: [PATCH] illumos: split off from
 +
 +      r = libusb_get_active_config_descriptor(hdev->dev, &config);
 +      if (r < 0) {
++              usbi_err(HANDLE_CTX(hdev), "could not get active desc");
 +              return (LIBUSB_ERROR_INVALID_PARAM);
 +      }
 +
@@ -842,16 +929,25 @@ Subject: [PATCH] illumos: split off from
 +                  &config->interface[iface_idx];
 +              int altsetting_idx;
 +
++              usbi_dbg(HANDLE_CTX(hdev), "check iface %d", iface_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;
 +
++                      usbi_dbg(HANDLE_CTX(hdev), "check iface %d alt %d",
++                          iface_idx, altsetting_idx);
 +                      for (ep_idx = 0; ep_idx < altsetting->bNumEndpoints;
 +                          ep_idx++) {
 +                              const struct libusb_endpoint_descriptor *ep =
-+                                      &altsetting->endpoint[ep_idx];
++                                  &altsetting->endpoint[ep_idx];
++
++                              usbi_dbg(HANDLE_CTX(hdev), "check iface %d "
++                                  "alt %d ep_idx %d; has epa %02x",
++                                  iface_idx, altsetting_idx, ep_idx,
++                                  (uint32_t)ep->bEndpointAddress);
++
 +                              if (ep->bEndpointAddress == endpoint) {
 +                                      *interface = iface_idx;
 +                                      libusb_free_config_descriptor(config);
@@ -875,14 +971,14 @@ Subject: [PATCH] illumos: split off from
 +      int fd, fdstat, mode, e;
 +      uint8_t ifc = 0;
 +      uint8_t ep_index;
-+      illumos_dev_handle_priv_t *hpriv;
++      illumos_dev_handle_priv_t *ihp;
 +
 +      usbi_dbg(HANDLE_CTX(hdl), "open ep 0x%02x", ep_addr);
-+      hpriv = usbi_get_device_handle_priv(hdl);
++      ihp = usbi_get_device_handle_priv(hdl);
 +      ep_index = illumos_usb_ep_index(ep_addr);
 +      /* ep already opened */
-+      if ((hpriv->eps[ep_index].datafd > 0) &&
-+          (hpriv->eps[ep_index].statfd > 0)) {
++      if ((ihp->ihp_eps[ep_index].datafd > 0) &&
++          (ihp->ihp_eps[ep_index].statfd > 0)) {
 +              usbi_dbg(HANDLE_CTX(hdl),
 +                  "ep 0x%02x already opened, return success", ep_addr);
 +
@@ -890,34 +986,34 @@ Subject: [PATCH] illumos: split off from
 +      }
 +
 +      if (illumos_find_interface(hdl, ep_addr, &ifc) < 0) {
-+              usbi_dbg(HANDLE_CTX(hdl),
++              usbi_err(HANDLE_CTX(hdl),
 +                  "can't find interface for endpoint 0x%02x", ep_addr);
 +              return (EACCES);
 +      }
 +
 +      /* create filename */
-+      if (hpriv->config_index > 0) {
++      if (ihp->ihp_config_index > 0) {
 +              (void) snprintf(cfg_num, sizeof(cfg_num), "cfg%d",
-+                  hpriv->config_index + 1);
++                  ihp->ihp_config_index + 1);
 +      } else {
 +              bzero(cfg_num, sizeof(cfg_num));
 +      }
 +
-+      if (hpriv->altsetting[ifc] > 0) {
++      if (ihp->ihp_altsetting[ifc] > 0) {
 +              (void) snprintf(alt_num, sizeof(alt_num), ".%d",
-+                  hpriv->altsetting[ifc]);
++                  ihp->ihp_altsetting[ifc]);
 +      } else {
 +              bzero(alt_num, sizeof(alt_num));
 +      }
 +
 +      if ((e = snprintf(filename, sizeof (filename), "%s/%sif%d%s%s%d",
-+          hpriv->dpriv->ugenpath, cfg_num, ifc, alt_num,
++          ihp->ihp_idp->idp_ugenpath, cfg_num, ifc, alt_num,
 +          (ep_addr & LIBUSB_ENDPOINT_DIR_MASK) ? "in" :
 +          "out", (ep_addr & LIBUSB_ENDPOINT_ADDRESS_MASK))) < 0 ||
 +          e >= (int)sizeof (filename) ||
 +          (e = snprintf(statfilename, sizeof (statfilename), "%sstat",
 +          filename)) < 0 || e >= (int)sizeof (statfilename)) {
-+              usbi_dbg(HANDLE_CTX(hdl),
++              usbi_err(HANDLE_CTX(hdl),
 +                  "path buffer overflow for endpoint 0x%02x", ep_addr);
 +              return (EINVAL);
 +      }
@@ -941,13 +1037,13 @@ Subject: [PATCH] illumos: split off from
 +              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)",
++      if ((fd = open(filename, mode)) < 0) {
++              usbi_err(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);
++      illumos_ensure_closed(HANDLE_CTX(hdl), &fd);
 +
 +      /*
 +       * Open the status endpoint.
@@ -961,8 +1057,8 @@ Subject: [PATCH] illumos: split off from
 +              ssize_t count;
 +
 +              /* Open the status endpoint with RDWR */
-+              if ((fdstat = open(statfilename, O_RDWR)) == -1) {
-+                      usbi_dbg(HANDLE_CTX(hdl),
++              if ((fdstat = open(statfilename, O_RDWR)) < 0) {
++                      usbi_err(HANDLE_CTX(hdl),
 +                          "can't open %s RDWR: errno %d (%s)",
 +                          statfilename, errno, strerror(errno));
 +                      return (errno);
@@ -970,16 +1066,17 @@ Subject: [PATCH] illumos: split off from
 +                      count = write(fdstat, &control, sizeof(control));
 +                      if (count != 1) {
 +                              /* this should have worked */
-+                              usbi_dbg(HANDLE_CTX(hdl),
++                              e = errno;
++                              usbi_err(HANDLE_CTX(hdl),
 +                                  "can't write to %s: errno %d (%s)",
-+                                  statfilename, errno, strerror(errno));
-+                              (void) close(fdstat);
-+                              return (errno);
++                                  statfilename, e, strerror(e));
++                              illumos_ensure_closed(HANDLE_CTX(hdl), &fdstat);
++                              return (e);
 +                      }
 +              }
 +      } else {
-+              if ((fdstat = open(statfilename, O_RDONLY)) == -1) {
-+                      usbi_dbg(HANDLE_CTX(hdl),
++              if ((fdstat = open(statfilename, O_RDONLY)) < 0) {
++                      usbi_err(HANDLE_CTX(hdl),
 +                          "can't open %s: errno %d (%s)", statfilename, errno,
 +                          strerror(errno));
 +                      return (errno);
@@ -987,15 +1084,16 @@ Subject: [PATCH] illumos: split off from
 +      }
 +
 +      /* 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);
++      if ((fd = open(filename, mode)) < 0) {
++              e = errno;
++              usbi_err(HANDLE_CTX(hdl), "can't open %s: errno %d (%s)",
++                  filename, e, strerror(errno));
++              illumos_ensure_closed(HANDLE_CTX(hdl), &fdstat);
++              return (e);
 +      }
 +
-+      hpriv->eps[ep_index].datafd = fd;
-+      hpriv->eps[ep_index].statfd = fdstat;
++      ihp->ihp_eps[ep_index].datafd = fd;
++      ihp->ihp_eps[ep_index].statfd = fdstat;
 +      usbi_dbg(HANDLE_CTX(hdl), "ep=0x%02x datafd=%d, statfd=%d", ep_addr,
 +          fd, fdstat);
 +      return (0);
@@ -1004,28 +1102,39 @@ Subject: [PATCH] illumos: split off from
 +int
 +illumos_open(struct libusb_device_handle *handle)
 +{
-+      illumos_dev_handle_priv_t *hpriv;
-+      illumos_dev_priv_t *dpriv;
++      struct libusb_context *ctx = HANDLE_CTX(handle);
++      illumos_dev_handle_priv_t *ihp = usbi_get_device_handle_priv(handle);
++      illumos_dev_priv_t *idp = usbi_get_device_priv(handle->dev);
 +      int i;
 +      int ret;
 +
-+      hpriv = usbi_get_device_handle_priv(handle);
-+      dpriv = usbi_get_device_priv(handle->dev);
-+      hpriv->dpriv = dpriv;
++      ihp->ihp_idp = idp;
 +
-+      /* set all file descriptors to "closed" */
++      /*
++       * Reset the file descriptor state on our device handle object.  We
++       * assert that the memory was zeroed prior to being handed to us.
++       */
 +      for (i = 0; i < USB_MAXENDPOINTS; i++) {
-+              hpriv->eps[i].datafd = -1;
-+              hpriv->eps[i].statfd = -1;
++              assert(ihp->ihp_eps[i].datafd == 0);
++              ihp->ihp_eps[i].datafd = -1;
++              assert(ihp->ihp_eps[i].statfd == 0);
++              ihp->ihp_eps[i].statfd = -1;
 +      }
 +
 +      if (illumos_kernel_driver_active(handle, 0)) {
-+              /* pretend we can open the device */
++              /*
++               * We don't have a ugen(4D) path for the device, so just
++               * pretend that we can open it.  This allows a program to open
++               * any enumerated device.  Any subsequent operation that
++               * requires ugen access will fail, but the consumer won't get
++               * confused about the inability to open the otherwise
++               * enumerated device.
++               */
 +              return (LIBUSB_SUCCESS);
 +      }
 +
-+      if ((ret = illumos_usb_open_ep0(hpriv, dpriv)) != LIBUSB_SUCCESS) {
-+              usbi_dbg(HANDLE_CTX(handle), "fail: %d", ret);
++      if ((ret = illumos_usb_open_ep0(ctx, ihp, idp)) != LIBUSB_SUCCESS) {
++              usbi_err(ctx, "open failed: %d", ret);
 +              return (ret);
 +      }
 +
@@ -1035,21 +1144,20 @@ Subject: [PATCH] illumos: split off from
 +void
 +illumos_close(struct libusb_device_handle *handle)
 +{
-+      illumos_dev_handle_priv_t *hpriv;
++      struct libusb_context *ctx = HANDLE_CTX(handle);
++      illumos_dev_handle_priv_t *ihp = usbi_get_device_handle_priv(handle);
 +
-+      usbi_dbg(HANDLE_CTX(handle), " ");
++      usbi_dbg(ctx, "closing");
 +
-+      hpriv = usbi_get_device_handle_priv(handle);
-+
-+      illumos_usb_close_all_eps(hpriv);
-+      illumos_usb_close_ep0(hpriv);
++      illumos_usb_close_all_eps(ctx, ihp);
++      illumos_usb_close_ep0(ctx, ihp);
 +}
 +
 +int
 +illumos_get_active_config_descriptor(struct libusb_device *dev,
 +    void *buf, size_t len)
 +{
-+      illumos_dev_priv_t *dpriv = usbi_get_device_priv(dev);
++      illumos_dev_priv_t *idp = usbi_get_device_priv(dev);
 +      struct libusb_config_descriptor *cfg;
 +      int proplen;
 +      di_node_t node;
@@ -1059,31 +1167,31 @@ Subject: [PATCH] illumos: split off from
 +       * 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)",
++      if ((node = di_init(idp->idp_physpath, DINFOCPYALL)) == DI_NODE_NIL) {
++              usbi_err(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");
++              usbi_err(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) {
++      idp->idp_raw_cfgdescr = realloc(idp->idp_raw_cfgdescr, proplen);
++      if (idp->idp_raw_cfgdescr == NULL) {
 +              return (LIBUSB_ERROR_NO_MEM);
 +      } else {
-+              bcopy(rdata, dpriv->raw_cfgdescr, proplen);
-+              dpriv->cfgvalue = ((struct libusb_config_descriptor *)
++              bcopy(rdata, idp->idp_raw_cfgdescr, proplen);
++              idp->idp_cfgvalue = ((struct libusb_config_descriptor *)
 +                  rdata)->bConfigurationValue;
 +      }
 +      di_fini(node);
 +
-+      cfg = (struct libusb_config_descriptor *)dpriv->raw_cfgdescr;
++      cfg = (struct libusb_config_descriptor *)idp->idp_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);
++      memcpy(buf, idp->idp_raw_cfgdescr, len);
++      usbi_dbg(DEVICE_CTX(dev), "path:%s len %zu", idp->idp_physpath, len);
 +
 +      return (len);
 +}
@@ -1100,9 +1208,9 @@ Subject: [PATCH] illumos: split off from
 +int
 +illumos_get_configuration(struct libusb_device_handle *handle, uint8_t *config)
 +{
-+      illumos_dev_priv_t *dpriv = usbi_get_device_priv(handle->dev);
++      illumos_dev_priv_t *idp = usbi_get_device_priv(handle->dev);
 +
-+      *config = dpriv->cfgvalue;
++      *config = idp->idp_cfgvalue;
 +
 +      usbi_dbg(HANDLE_CTX(handle), "bConfigurationValue %u", *config);
 +
@@ -1112,20 +1220,20 @@ Subject: [PATCH] illumos: split off from
 +int
 +illumos_set_configuration(struct libusb_device_handle *handle, int config)
 +{
-+      illumos_dev_priv_t *dpriv = usbi_get_device_priv(handle->dev);
-+      illumos_dev_handle_priv_t *hpriv;
++      illumos_dev_priv_t *idp = usbi_get_device_priv(handle->dev);
++      illumos_dev_handle_priv_t *ihp;
 +
 +      usbi_dbg(HANDLE_CTX(handle), "bConfigurationValue %d", config);
-+      hpriv = usbi_get_device_handle_priv(handle);
++      ihp = usbi_get_device_handle_priv(handle);
 +
-+      if (dpriv->ugenpath == NULL)
++      if (idp->idp_ugenpath == NULL)
 +              return (LIBUSB_ERROR_NOT_SUPPORTED);
 +
 +      if (config < 1)
 +              return (LIBUSB_ERROR_NOT_SUPPORTED);
 +
-+      dpriv->cfgvalue = config;
-+      hpriv->config_index = config - 1;
++      idp->idp_cfgvalue = config;
++      ihp->ihp_config_index = config - 1;
 +
 +      return (LIBUSB_SUCCESS);
 +}
@@ -1143,12 +1251,12 @@ Subject: [PATCH] illumos: split off from
 +int
 +illumos_release_interface(struct libusb_device_handle *handle, uint8_t iface)
 +{
-+      illumos_dev_handle_priv_t *hpriv = usbi_get_device_handle_priv(handle);
++      illumos_dev_handle_priv_t *ihp = usbi_get_device_handle_priv(handle);
 +
 +      usbi_dbg(HANDLE_CTX(handle), "iface %u", iface);
 +
 +      /* XXX: can we release it? */
-+      hpriv->altsetting[iface] = 0;
++      ihp->ihp_altsetting[iface] = 0;
 +
 +      return (LIBUSB_SUCCESS);
 +}
@@ -1157,38 +1265,50 @@ Subject: [PATCH] illumos: split off from
 +illumos_set_interface_altsetting(struct libusb_device_handle *handle,
 +    uint8_t iface, uint8_t altsetting)
 +{
-+      illumos_dev_priv_t *dpriv = usbi_get_device_priv(handle->dev);
-+      illumos_dev_handle_priv_t *hpriv = usbi_get_device_handle_priv(handle);
++      illumos_dev_priv_t *idp = usbi_get_device_priv(handle->dev);
++      illumos_dev_handle_priv_t *ihp = usbi_get_device_handle_priv(handle);
 +
 +      usbi_dbg(HANDLE_CTX(handle), "iface %u, setting %u", iface, altsetting);
 +
-+      if (dpriv->ugenpath == NULL)
++      if (idp->idp_ugenpath == NULL)
 +              return (LIBUSB_ERROR_NOT_FOUND);
 +
 +      /* XXX: can we switch altsetting? */
-+      hpriv->altsetting[iface] = altsetting;
++      ihp->ihp_altsetting[iface] = altsetting;
 +
 +      return (LIBUSB_SUCCESS);
 +}
 +
 +static void
-+usb_dump_data(const void *data, size_t size)
++usb_dump_data(libusb_context *ctx, const void *data, size_t size)
 +{
 +      const uint8_t *p = data;
-+      size_t i;
++      char buf[256];
++      char *l = buf;
 +
-+      if (getenv("LIBUSB_DEBUG") == NULL) {
++      if (ctx->debug < LIBUSB_LOG_LEVEL_DEBUG) {
 +              return;
 +      }
 +
-+      (void) fprintf(stderr, "data dump:");
-+      for (i = 0; i < size; i++) {
++      usbi_dbg(ctx, "data dump:");
++      for (size_t i = 0; i < size; i++) {
 +              if (i % 16 == 0) {
-+                      (void) fprintf(stderr, "\n%08zx\t", i);
++                      if (l != buf) {
++                              usbi_dbg(ctx, "%s", buf);
++                              l = buf;
++                      }
++
++                      l += snprintf(l, sizeof (buf) - (l - buf), "%08zx  ",
++                          i);
 +              }
-+              (void) fprintf(stderr, "%02x ", p[i]);
++
++              l += snprintf(l, sizeof (buf) - (l - buf), "%02x ", p[i]);
++      }
++
++      if (l != buf) {
++              l = buf;
++              usbi_dbg(ctx, "%s", buf);
 +      }
-+      (void) fprintf(stderr, "\n");
 +}
 +
 +static void
@@ -1198,7 +1318,7 @@ Subject: [PATCH] illumos: split off from
 +      struct libusb_transfer *xfer = tpriv->transfer;
 +      struct usbi_transfer *ixfer = LIBUSB_TRANSFER_TO_USBI_TRANSFER(xfer);
 +      struct aiocb *aiocb = &tpriv->aiocb;
-+      illumos_dev_handle_priv_t *hpriv;
++      illumos_dev_handle_priv_t *ihp;
 +      uint8_t ep;
 +      libusb_device_handle *dev_handle;
 +
@@ -1208,15 +1328,15 @@ Subject: [PATCH] illumos: split off from
 +      }
 +
 +      if (aio_error(aiocb) != ECANCELED) {
-+              hpriv = usbi_get_device_handle_priv(dev_handle);
++              ihp = usbi_get_device_handle_priv(dev_handle);
 +              ep = illumos_usb_ep_index(xfer->endpoint);
 +
 +              /*
 +               * Fetch the status for the last command on this endpoint from
-+               * ugen(7D) so that we can translate and report it later.
++               * ugen(4D) so that we can translate and report it later.
 +               */
 +              tpriv->ugen_status = illumos_usb_get_status(TRANSFER_CTX(xfer),
-+                  hpriv->eps[ep].statfd);
++                  ihp->ihp_eps[ep].statfd);
 +      } else {
 +              tpriv->ugen_status = USB_LC_STAT_NOERROR;
 +      }
@@ -1229,7 +1349,7 @@ Subject: [PATCH] illumos: split off from
 +{
 +      int ret = -1;
 +      struct aiocb *aiocb;
-+      illumos_dev_handle_priv_t *hpriv;
++      illumos_dev_handle_priv_t *ihp;
 +      uint8_t ep;
 +      illumos_xfer_priv_t *tpriv;
 +
@@ -1237,18 +1357,19 @@ Subject: [PATCH] illumos: split off from
 +
 +      tpriv = usbi_get_transfer_priv(
 +          LIBUSB_TRANSFER_TO_USBI_TRANSFER(transfer));
-+      hpriv = usbi_get_device_handle_priv(transfer->dev_handle);
++      ihp = usbi_get_device_handle_priv(transfer->dev_handle);
 +      ep = illumos_usb_ep_index(transfer->endpoint);
 +
++      tpriv->type = ILLUMOS_XFT_AIO;
 +      tpriv->transfer = transfer;
 +      aiocb = &tpriv->aiocb;
 +      bzero(aiocb, sizeof(*aiocb));
-+      aiocb->aio_fildes = hpriv->eps[ep].datafd;
++      aiocb->aio_fildes = ihp->ihp_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;
++          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 = illumos_async_callback;
@@ -1264,121 +1385,137 @@ Subject: [PATCH] illumos: split off from
 +
 +/* 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)
++illumos_usb_do_io(struct libusb_context *ctx, illumos_ep_priv_t *ep,
++    illumos_xfer_priv_t *tpriv, void *data, size_t size, illumos_iodir_t dir)
 +{
 +      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");
++      usbi_dbg(ctx,
++          "illumos_usb_do_io(): datafd=%d statfd=%d size=0x%zx dir=%s",
++          ep->datafd, ep->statfd, size,
++          dir == ILLUMOS_DIR_WRITE ? "WRITE" : "READ");
 +
-+      switch (flag) {
-+      case READ:
++      switch (dir) {
++      case ILLUMOS_DIR_READ:
 +              errno = 0;
-+              ret = read(fd, data, size);
-+              usb_dump_data(data, size);
++              ret = read(ep->datafd, data, size);
++              error = errno;
++              usb_dump_data(ctx, data, size);
 +              break;
-+      case WRITE:
-+              usb_dump_data(data, size);
++      case ILLUMOS_DIR_WRITE:
++              usb_dump_data(ctx, data, size);
 +              errno = 0;
-+              ret = write(fd, data, size);
++              ret = write(ep->datafd, data, size);
++              error = errno;
++              break;
++      default:
++              abort();
 +              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));
++      /*
++       * Fetch the status for the last command on this endpoint from
++       * ugen(4D) so that we can translate and report it later.
++       */
++      tpriv->ugen_status = illumos_usb_get_status(ctx, ep->statfd);
 +
-+              /* illumos_usb_get_status will do a read and overwrite errno */
-+              error = illumos_usb_get_status(ctx, stat_fd);
-+              usbi_dbg(ctx, "io status=%d errno %d (%s)", error,
-+                      save_errno, strerror(save_errno));
++      usbi_dbg(ctx, "illumos_usb_do_io(): amount=%zd error=%d status=%d",
++          ret, error, tpriv->ugen_status);
 +
-+              if (status) {
-+                      *status = save_errno;
-+              }
-+
-+              return (save_errno);
++      if (ret < 0) {
++              usbi_err(ctx, "TID=%x io %s errno %d (%s)", pthread_self(),
++                  dir == ILLUMOS_DIR_WRITE ? "WRITE" : "READ",
++                  error, strerror(error));
 +
-+      } else if (status) {
-+              *status = 0;
++              errno = error;
++              return (-1);
 +      }
 +
 +      return (ret);
 +}
 +
 +static int
-+solaris_submit_ctrl_on_default(struct libusb_transfer *transfer)
++illumos_submit_ctrl_on_default(struct libusb_transfer *xfer)
 +{
-+      ssize_t ret = -1, setup_ret;
-+      int status;
-+      illumos_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;
++      struct libusb_context *ctx = TRANSFER_CTX(xfer);
++      struct usbi_transfer *ixfer = LIBUSB_TRANSFER_TO_USBI_TRANSFER(xfer);
++      illumos_xfer_priv_t *tpriv = usbi_get_transfer_priv(ixfer);
++      struct libusb_device_handle *hdl = xfer->dev_handle;
++      illumos_dev_handle_priv_t *ihp = usbi_get_device_handle_priv(hdl);
++      uint8_t *data = xfer->buffer;
++      size_t datalen = xfer->length;
++      illumos_iodir_t dir =
++          (data[0] & LIBUSB_ENDPOINT_DIR_MASK) == LIBUSB_ENDPOINT_IN ?
++          ILLUMOS_DIR_READ : ILLUMOS_DIR_WRITE;
++      ssize_t ret;
 +
-+      if (hpriv->eps[0].datafd == -1) {
-+              usbi_dbg(TRANSFER_CTX(transfer), "ep0 not opened");
++      tpriv->type = ILLUMOS_XFT_CTRL;
++      tpriv->transfer = xfer;
++      tpriv->ctrl_len = 0;
 +
++      if (ihp->ihp_eps[0].datafd < 0) {
++              usbi_err(ctx, "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);
-+      }
++      if (dir == ILLUMOS_DIR_READ) {
++              /*
++               * As per ugen(4D), to perform a control-IN transfer we must
++               * first write(2) the USB setup data.
++               */
++              usbi_dbg(ctx, "control IN request: write setup");
++              if ((ret = illumos_usb_do_io(ctx, &ihp->ihp_eps[0], tpriv,
++                  data, LIBUSB_CONTROL_SETUP_SIZE, ILLUMOS_DIR_WRITE)) < 0) {
++                      int e = errno;
++                      usbi_dbg(ctx, "IN request: setup failed (%d, %s)",
++                          e, strerror(e));
++                      return (_errno_to_libusb(e));
++              } else if (ret != LIBUSB_CONTROL_SETUP_SIZE) {
++                      usbi_dbg(ctx, "IN request: setup short write (%d)",
++                          (int)ret);
++                      return (LIBUSB_ERROR_IO);
++              }
 +
-+      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);
++              /*
++               * Trim the setup data out of the buffer for the subsequent
++               * read:
++               */
++              datalen -= LIBUSB_CONTROL_SETUP_SIZE;
++              data += LIBUSB_CONTROL_SETUP_SIZE;
 +      }
 +
-+      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);
++      usbi_dbg(ctx, "%s request: data",
++          dir == ILLUMOS_DIR_READ ? "IN" : "OUT");
++      ret = illumos_usb_do_io(ctx, &ihp->ihp_eps[0], tpriv, data, datalen,
++          dir);
++      if (ret < 0) {
++              int e = errno;
++              usbi_err(ctx, "%s request: failed! error=%d",
++                  dir == ILLUMOS_DIR_READ ? "IN" : "OUT", e);
++              return (_errno_to_libusb(e));
 +      }
 +
-+      if (ret >= 0) {
-+              LIBUSB_TRANSFER_TO_USBI_TRANSFER(transfer)->transferred = ret;
-+      }
-+      usbi_dbg(TRANSFER_CTX(transfer), "Done: ctrl data bytes %zd", ret);
++      if (dir == ILLUMOS_DIR_WRITE) {
++              if (ret < (ssize_t)LIBUSB_CONTROL_SETUP_SIZE) {
++                      usbi_err(ctx, "%s request: control write shorter than "
++                          "setup size! (%d)\n",
++                          dir == ILLUMOS_DIR_READ ? "IN" : "OUT", (int)ret);
++                      return (LIBUSB_ERROR_IO);
++              }
 +
-+      /*
-+       * 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);
++              /*
++               * For a control OUT transfer, we need to subtract the
++               * size of the header we wrote before the data from the
++               * caller.
++               */
++              ret -= LIBUSB_CONTROL_SETUP_SIZE;
++      }
 +
-+      return (ret);
++      tpriv->ctrl_len += ret;
++      usbi_dbg(ctx, "Done: ctrl data bytes %zd", ret);
++      usbi_signal_transfer_completion(ixfer);
++      return (LIBUSB_SUCCESS);
 +}
 +
 +int
@@ -1400,12 +1537,9 @@ Subject: [PATCH] illumos: split off from
 +void
 +illumos_destroy_device(struct libusb_device *dev)
 +{
-+      illumos_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);
++
++      illumos_dev_priv_reset(usbi_get_device_priv(dev));
 +}
 +
 +int
@@ -1429,7 +1563,7 @@ Subject: [PATCH] illumos: split off from
 +              /* sync transfer */
 +              usbi_dbg(ITRANSFER_CTX(itransfer),
 +                  "CTRL transfer: %d", transfer->length);
-+              err = solaris_submit_ctrl_on_default(transfer);
++              err = illumos_submit_ctrl_on_default(transfer);
 +              break;
 +
 +      case LIBUSB_TRANSFER_TYPE_BULK:
@@ -1465,7 +1599,7 @@ Subject: [PATCH] illumos: split off from
 +illumos_cancel_transfer(struct usbi_transfer *itransfer)
 +{
 +      illumos_xfer_priv_t *tpriv;
-+      illumos_dev_handle_priv_t *hpriv;
++      illumos_dev_handle_priv_t *ihp;
 +      struct libusb_transfer *transfer;
 +      struct aiocb *aiocb;
 +      uint8_t ep;
@@ -1474,13 +1608,13 @@ Subject: [PATCH] illumos: split off from
 +      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);
++      ihp = usbi_get_device_handle_priv(transfer->dev_handle);
 +      ep = illumos_usb_ep_index(transfer->endpoint);
 +
-+      ret = aio_cancel(hpriv->eps[ep].datafd, aiocb);
++      ret = aio_cancel(ihp->ihp_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,
++          aiocb->aio_fildes, ihp->ihp_eps[ep].datafd, ret,
 +          (ret == AIO_CANCELED) ? "AIO canceled" : strerror(errno));
 +
 +      if (ret != AIO_CANCELED) {
@@ -1492,6 +1626,36 @@ Subject: [PATCH] illumos: split off from
 +      return (ret);
 +}
 +
++static int
++illumos_libusb_status(illumos_xfer_priv_t *tpriv)
++{
++      /*
++       * Convert the ugen(4D)-level status to a libusb-level status:
++       */
++      switch (tpriv->ugen_status) {
++      case USB_LC_STAT_TIMEOUT:
++              return (LIBUSB_TRANSFER_TIMED_OUT);
++      case USB_LC_STAT_STALL:
++              return (LIBUSB_TRANSFER_STALL);
++      case USB_LC_STAT_DISCONNECTED:
++              return (LIBUSB_TRANSFER_NO_DEVICE);
++      case USB_LC_STAT_INTERRUPTED:
++              return (LIBUSB_TRANSFER_CANCELLED);
++      case USB_LC_STAT_BUFFER_OVERRUN:
++              /*
++               * XXX Is this right? (*_DATA_OVERRUN?)
++               */
++              return (LIBUSB_TRANSFER_OVERFLOW);
++      default:
++              /*
++               * Not every ugen(4D) status maps to a specific libusb-level
++               * failure case.  Nonetheless, we must report all failures as
++               * failures:
++               */
++              return (LIBUSB_TRANSFER_ERROR);
++      }
++}
++
 +int
 +illumos_handle_transfer_completion(struct usbi_transfer *ixfer)
 +{
@@ -1501,7 +1665,15 @@ Subject: [PATCH] illumos: split off from
 +      int ret;
 +      enum libusb_transfer_status status;
 +
-+      if ((ret = aio_error(aiocb)) == 0) {
++      if (tpriv->type == ILLUMOS_XFT_CTRL) {
++              ixfer->transferred = tpriv->ctrl_len;
++              if (tpriv->ugen_status == USB_LC_STAT_NOERROR) {
++                      status = LIBUSB_TRANSFER_COMPLETED;
++              } else {
++                      status = illumos_libusb_status(tpriv);
++              }
++
++      } else if ((ret = aio_error(aiocb)) == 0) {
 +              /*
 +               * The command completed.  Update the transferred length:
 +               */
@@ -1509,7 +1681,8 @@ Subject: [PATCH] illumos: split off from
 +
 +              usbi_dbg(TRANSFER_CTX(xfer), "ret=%d, len=%d, actual_len=%d",
 +                  ret, xfer->length, xfer->actual_length);
-+              usb_dump_data(xfer->buffer, xfer->actual_length);
++              usb_dump_data(TRANSFER_CTX(xfer),
++                  xfer->buffer, xfer->actual_length);
 +
 +              status = LIBUSB_TRANSFER_COMPLETED;
 +
@@ -1525,37 +1698,7 @@ Subject: [PATCH] illumos: split off from
 +              status = LIBUSB_TRANSFER_CANCELLED;
 +
 +      } else {
-+              /*
-+               * Convert the ugen(7D)-level status to a libusb-level status:
-+               */
-+              switch (tpriv->ugen_status) {
-+              case USB_LC_STAT_TIMEOUT:
-+                      status = LIBUSB_TRANSFER_TIMED_OUT;
-+                      break;
-+              case USB_LC_STAT_STALL:
-+                      status = LIBUSB_TRANSFER_STALL;
-+                      break;
-+              case USB_LC_STAT_DISCONNECTED:
-+                      status = LIBUSB_TRANSFER_NO_DEVICE;
-+                      break;
-+              case USB_LC_STAT_INTERRUPTED:
-+                      status = LIBUSB_TRANSFER_CANCELLED;
-+                      break;
-+              case USB_LC_STAT_BUFFER_OVERRUN:
-+                      /*
-+                       * XXX Is this right? (*_DATA_OVERRUN?)
-+                       */
-+                      status = LIBUSB_TRANSFER_OVERFLOW;
-+                      break;
-+              default:
-+                      /*
-+                       * Not every ugen(7D) status maps to a specific
-+                       * libusb-level failure case.  Nonetheless, we must
-+                       * report all failures as failures:
-+                       */
-+                      status = LIBUSB_TRANSFER_ERROR;
-+                      break;
-+              }
++              status = illumos_libusb_status(tpriv);
 +      }
 +
 +      if (status == LIBUSB_TRANSFER_CANCELLED) {
@@ -1581,6 +1724,8 @@ Subject: [PATCH] illumos: split off from
 +              return (LIBUSB_ERROR_NO_MEM);
 +      case ETIMEDOUT:
 +              return (LIBUSB_ERROR_TIMEOUT);
++      case EBUSY:
++              return (LIBUSB_ERROR_BUSY);
 +      }
 +
 +      return (LIBUSB_ERROR_OTHER);
@@ -1600,90 +1745,92 @@ Subject: [PATCH] illumos: split off from
 +
 +      usbi_dbg(ctx, "illumos_usb_get_status(): fd=%d", fd);
 +
++      errno = 0;
 +      ret = read(fd, &status, sizeof(status));
-+      if (ret == 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");
++                      usbi_dbg(ctx, "CRC Timeout Detected");
 +                      break;
 +              case USB_LC_STAT_BITSTUFFING:
-+                      usbi_dbg(ctx, "Bit Stuffing Violation\n");
++                      usbi_dbg(ctx, "Bit Stuffing Violation");
 +                      break;
 +              case USB_LC_STAT_DATA_TOGGLE_MM:
-+                      usbi_dbg(ctx, "Data Toggle Mismatch\n");
++                      usbi_dbg(ctx, "Data Toggle Mismatch");
 +                      break;
 +              case USB_LC_STAT_STALL:
-+                      usbi_dbg(ctx, "End Point Stalled\n");
++                      usbi_dbg(ctx, "End Point Stalled");
 +                      break;
 +              case USB_LC_STAT_DEV_NOT_RESP:
-+                      usbi_dbg(ctx, "Device is Not Responding\n");
++                      usbi_dbg(ctx, "Device is Not Responding");
 +                      break;
 +              case USB_LC_STAT_PID_CHECKFAILURE:
-+                      usbi_dbg(ctx, "PID Check Failure\n");
++                      usbi_dbg(ctx, "PID Check Failure");
 +                      break;
 +              case USB_LC_STAT_UNEXP_PID:
-+                      usbi_dbg(ctx, "Unexpected PID\n");
++                      usbi_dbg(ctx, "Unexpected PID");
 +                      break;
 +              case USB_LC_STAT_DATA_OVERRUN:
-+                      usbi_dbg(ctx, "Data Exceeded Size\n");
++                      usbi_dbg(ctx, "Data Exceeded Size");
 +                      break;
 +              case USB_LC_STAT_DATA_UNDERRUN:
-+                      usbi_dbg(ctx, "Less data received\n");
++                      usbi_dbg(ctx, "Less data received");
 +                      break;
 +              case USB_LC_STAT_BUFFER_OVERRUN:
-+                      usbi_dbg(ctx, "Buffer Size Exceeded\n");
++                      usbi_dbg(ctx, "Buffer Size Exceeded");
 +                      break;
 +              case USB_LC_STAT_BUFFER_UNDERRUN:
-+                      usbi_dbg(ctx, "Buffer Underrun\n");
++                      usbi_dbg(ctx, "Buffer Underrun");
 +                      break;
 +              case USB_LC_STAT_TIMEOUT:
-+                      usbi_dbg(ctx, "Command Timed Out\n");
++                      usbi_dbg(ctx, "Command Timed Out");
 +                      break;
 +              case USB_LC_STAT_NOT_ACCESSED:
-+                      usbi_dbg(ctx, "Not Accessed by h/w\n");
++                      usbi_dbg(ctx, "Not Accessed by h/w");
 +                      break;
 +              case USB_LC_STAT_UNSPECIFIED_ERR:
-+                      usbi_dbg(ctx, "Unspecified Error\n");
++                      usbi_dbg(ctx, "Unspecified Error");
 +                      break;
 +              case USB_LC_STAT_NO_BANDWIDTH:
-+                      usbi_dbg(ctx, "No Bandwidth\n");
++                      usbi_dbg(ctx, "No Bandwidth");
 +                      break;
 +              case USB_LC_STAT_HW_ERR:
-+                      usbi_dbg(ctx, "Host Controller h/w Error\n");
++                      usbi_dbg(ctx, "Host Controller h/w Error");
 +                      break;
 +              case USB_LC_STAT_SUSPENDED:
-+                      usbi_dbg(ctx, "Device was Suspended\n");
++                      usbi_dbg(ctx, "Device was Suspended");
 +                      break;
 +              case USB_LC_STAT_DISCONNECTED:
-+                      usbi_dbg(ctx, "Device was Disconnected\n");
++                      usbi_dbg(ctx, "Device was Disconnected");
 +                      break;
 +              case USB_LC_STAT_INTR_BUF_FULL:
-+                      usbi_dbg(ctx, "Interrupt buffer was full\n");
++                      usbi_dbg(ctx, "Interrupt buffer was full");
 +                      break;
 +              case USB_LC_STAT_INVALID_REQ:
-+                      usbi_dbg(ctx, "Request was Invalid\n");
++                      usbi_dbg(ctx, "Request was Invalid");
 +                      break;
 +              case USB_LC_STAT_INTERRUPTED:
-+                      usbi_dbg(ctx, "Request was Interrupted\n");
++                      usbi_dbg(ctx, "Request was Interrupted");
 +                      break;
 +              case USB_LC_STAT_NO_RESOURCES:
 +                      usbi_dbg(ctx, "No resources available for "
-+                          "request\n");
++                          "request");
 +                      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);
++                      usbi_err(ctx, "Error Not Determined %d", status);
++                      status = USB_LC_STAT_UNSPECIFIED_ERR;
 +                      break;
 +              }
 +      } else {
-+              usbi_dbg(ctx, "read stat error: %s",strerror(errno));
-+              status = -1;
++              usbi_err(ctx, "read stat error: (ret %ld, error %d) %s",
++                  (long)ret, errno, strerror(errno));
++              status = USB_LC_STAT_UNSPECIFIED_ERR;
 +      }
 +
 +      return (status);
@@ -1714,10 +1861,8 @@ Subject: [PATCH] illumos: split off from
 +      .handle_transfer_completion = illumos_handle_transfer_completion,
 +
 +      .device_priv_size = sizeof(illumos_dev_priv_t),
-+      .device_handle_priv_size = sizeof(illumos_dev_handle_priv_t),
++      .device_handle_priv_size = sizeof (illumos_dev_handle_priv_t),
 +
 +      .kernel_driver_active = illumos_kernel_driver_active,
-+      .detach_kernel_driver = illumos_detach_kernel_driver,
-+      .attach_kernel_driver = illumos_attach_kernel_driver,
-+      .transfer_priv_size = sizeof(illumos_xfer_priv_t),
++      .transfer_priv_size = sizeof (illumos_xfer_priv_t),
 +};
Index: pkgsrc/devel/libusb1/patches/patch-libusb_os_illumos__usb.h
diff -u pkgsrc/devel/libusb1/patches/patch-libusb_os_illumos__usb.h:1.1 pkgsrc/devel/libusb1/patches/patch-libusb_os_illumos__usb.h:1.2
--- pkgsrc/devel/libusb1/patches/patch-libusb_os_illumos__usb.h:1.1     Fri Feb 16 08:13:13 2024
+++ pkgsrc/devel/libusb1/patches/patch-libusb_os_illumos__usb.h Tue Aug 11 09:07:42 2026
@@ -1,4 +1,4 @@
-$NetBSD: patch-libusb_os_illumos__usb.h,v 1.1 2024/02/16 08:13:13 nia Exp $
+$NetBSD: patch-libusb_os_illumos__usb.h,v 1.2 2026/08/11 09:07:42 jperkin Exp $
 
 illumos support; via OmniOS.
 
@@ -7,13 +7,12 @@ From: "Joshua M. Clulow" <josh%sysmgr.or@localhost
 Date: Mon, 27 Dec 2021 16:08:38 -0800
 Subject: [PATCH] illumos: split off from Solaris backend
 
---- libusb/os/illumos_usb.h.orig       2024-02-16 08:09:37.474490330 +0000
+--- libusb/os/illumos_usb.h.orig       2026-08-06 12:39:09.177667736 +0000
 +++ libusb/os/illumos_usb.h
-@@ -0,0 +1,81 @@
+@@ -0,0 +1,111 @@
 +/*
-+ *
 + * Copyright (c) 2016, Oracle and/or its affiliates.
-+ * Copyright 2021 Oxide Computer Company
++ * Copyright 2024 Oxide Computer Company
 + *
 + * This library is free software; you can redistribute it and/or
 + * modify it under the terms of the GNU Lesser General Public
@@ -37,55 +36,86 @@ Subject: [PATCH] illumos: split off from
 +#include <pthread.h>
 +#include "libusbi.h"
 +
-+#define       READ    0
-+#define       WRITE   1
-+
-+typedef struct illumos_device_priv {
-+      uint8_t cfgvalue;               /* active config value */
-+      uint8_t *raw_cfgdescr;          /* active config descriptor */
-+      char    *ugenpath;              /* name of the ugen(4) node */
-+      char    *phypath;               /* physical path */
++typedef enum illumos_iodir {
++      ILLUMOS_DIR_READ,
++      ILLUMOS_DIR_WRITE,
++} illumos_iodir_t;
++
++typedef struct illumos_dev_priv {
++      /*
++       * Active configuration descriptor and value:
++       */
++      uint8_t                 *idp_raw_cfgdescr;
++      uint8_t                 idp_cfgvalue;
++
++      /*
++       * /dev path of the directory that contains the ugen(4D) minor nodes
++       * for this device; e.g., "/dev/usb/483.3754/0".
++       */
++      char                    *idp_ugenpath;
++
++      /*
++       * The physical /devices path of this device, without a minor node
++       * suffix.
++       */
++      char                    *idp_physpath;
 +} illumos_dev_priv_t;
 +
-+typedef       struct endpoint {
++typedef struct illumos_ep_priv {
 +      int datafd;     /* data file */
 +      int statfd;     /* state file */
 +} illumos_ep_priv_t;
 +
-+typedef struct illumos_device_handle_priv {
-+      uint8_t                 altsetting[USB_MAXINTERFACES];  /* a interface's alt */
-+      uint8_t                 config_index;
-+      illumos_ep_priv_t               eps[USB_MAXENDPOINTS];
-+      illumos_dev_priv_t      *dpriv; /* device private */
++typedef struct illumos_dev_handle_priv {
++      uint8_t                 ihp_altsetting[USB_MAXINTERFACES];
++      uint8_t                 ihp_config_index;
++      illumos_ep_priv_t       ihp_eps[USB_MAXENDPOINTS];
++      illumos_dev_priv_t      *ihp_idp;
 +} illumos_dev_handle_priv_t;
 +
-+typedef       struct illumos_transfer_priv {
++typedef enum illumos_xfer_type {
++      ILLUMOS_XFT_AIO,
++      ILLUMOS_XFT_CTRL,
++} illumos_xfer_type_t;
++
++typedef struct illumos_transfer_priv {
++      illumos_xfer_type_t     type;
 +      struct aiocb            aiocb;
 +      struct libusb_transfer  *transfer;
 +      int                     ugen_status;
++      size_t                  ctrl_len;
 +} illumos_xfer_priv_t;
 +
-+struct node_args {
-+      struct libusb_context   *ctx;
-+      struct discovered_devs  **discdevs;
-+      const char              *last_ugenpath;
-+      di_devlink_handle_t     dlink_hdl;
-+};
-+
-+struct devlink_cbarg {
-+      struct node_args        *nargs; /* di node walk arguments */
-+      di_node_t               myself; /* the di node */
-+      di_minor_t              minor;
-+};
++#define       MAX_BUSES               256
 +
-+typedef struct walk_link {
-+      char *path;
-+      int len;
-+      char **linkpp;
-+} walk_link_t;
++typedef struct illumos_get_device_list {
++      struct libusb_context   *gdl_ctx;
++      struct discovered_devs  **gdl_discdevs;
++      di_devlink_handle_t     gdl_devlink;
++      char                    *gdl_buses[MAX_BUSES];
++      int                     gdl_error;
++} illumos_get_device_list_t;
++
++typedef struct illumos_make_session_id {
++      uint64_t                msi_session_id;
++      uint8_t                 msi_bus_number;
++      int                     msi_is_root_hub;
++} illumos_make_session_id_t;
++
++typedef struct illumos_gdl_find_hubs {
++      struct libusb_context   *dlfh_ctx;
++      int                     dlfh_is_hub;
++} illumos_gdl_find_hubs_t;
++
++typedef struct illumos_gdl_find_ugenpath {
++      const char              *fup_physpath;
++      int                     fup_len;
++      struct libusb_device    *fup_dev;
++      illumos_dev_priv_t      fup_idp;
++} illumos_gdl_find_ugenpath_t;
 +
 +/* AIO callback args */
-+struct aio_callback_args{
++struct aio_callback_args {
 +      struct libusb_transfer *transfer;
 +      struct aiocb aiocb;
 +};



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