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flutter / third_party / libusb / b31217fabe202adc839bac701eb0ddaf0b2de0ae / . / libusb / os / sunos_usb.c
blob: 46866fb8d46496cc8d67f32a02434bd61be2b44f [file] [log] [blame]
/*
*
* Copyright (c) 2016, Oracle and/or its affiliates.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <config.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <strings.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wait.h>
#include <unistd.h>
#include <aio.h>
#include <libdevinfo.h>
#include <sys/nvpair.h>
#include <sys/devctl.h>
#include <sys/usb/clients/ugen/usb_ugen.h>
#include <sys/usb/usba.h>
#include <sys/pci.h>
#include "libusbi.h"
#include "sunos_usb.h"
#define UPDATEDRV_PATH "/usr/sbin/update_drv"
#define UPDATEDRV "update_drv"
#define DEFAULT_LISTSIZE 6
typedef struct {
int nargs;
int listsize;
char **string;
} string_list_t;
/*
* Backend functions
*/
static int sunos_get_device_list(struct libusb_context *,
struct discovered_devs **);
static int sunos_open(struct libusb_device_handle *);
static void sunos_close(struct libusb_device_handle *);
static int sunos_get_active_config_descriptor(struct libusb_device *,
void *, size_t);
static int sunos_get_config_descriptor(struct libusb_device *, uint8_t,
void *, size_t);
static int sunos_get_configuration(struct libusb_device_handle *, uint8_t *);
static int sunos_set_configuration(struct libusb_device_handle *, int);
static int sunos_claim_interface(struct libusb_device_handle *, uint8_t);
static int sunos_release_interface(struct libusb_device_handle *, uint8_t);
static int sunos_set_interface_altsetting(struct libusb_device_handle *,
uint8_t, uint8_t);
static int sunos_clear_halt(struct libusb_device_handle *, unsigned char);
static void sunos_destroy_device(struct libusb_device *);
static int sunos_submit_transfer(struct usbi_transfer *);
static int sunos_cancel_transfer(struct usbi_transfer *);
static int sunos_handle_transfer_completion(struct usbi_transfer *);
static int sunos_kernel_driver_active(struct libusb_device_handle *, uint8_t);
static int sunos_detach_kernel_driver(struct libusb_device_handle *, uint8_t);
static int sunos_attach_kernel_driver(struct libusb_device_handle *, uint8_t);
static int sunos_usb_open_ep0(sunos_dev_handle_priv_t *hpriv, sunos_dev_priv_t *dpriv);
static int sunos_usb_ioctl(struct libusb_device *dev, int cmd);
static int sunos_get_link(di_devlink_t devlink, void *arg)
{
walk_link_t *larg = (walk_link_t *)arg;
const char *p;
const char *q;
if (larg->path) {
char *content = (char *)di_devlink_content(devlink);
char *start = strstr(content, "/devices/");
start += strlen("/devices");
usbi_dbg("%s", start);
/* line content must have minor node */
if (start == NULL ||
strncmp(start, larg->path, larg->len) != 0 ||
start[larg->len] != ':')
return (DI_WALK_CONTINUE);
}
p = di_devlink_path(devlink);
q = strrchr(p, '/');
usbi_dbg("%s", q);
*(larg->linkpp) = strndup(p, strlen(p) - strlen(q));
return (DI_WALK_TERMINATE);
}
static int sunos_physpath_to_devlink(
const char *node_path, const char *match, char **link_path)
{
walk_link_t larg;
di_devlink_handle_t hdl;
*link_path = NULL;
larg.linkpp = link_path;
if ((hdl = di_devlink_init(NULL, 0)) == NULL) {
usbi_dbg("di_devlink_init failure");
return (-1);
}
larg.len = strlen(node_path);
larg.path = (char *)node_path;
(void) di_devlink_walk(hdl, match, NULL, DI_PRIMARY_LINK,
(void *)&larg, sunos_get_link);
(void) di_devlink_fini(&hdl);
if (*link_path == NULL) {
usbi_dbg("there is no devlink for this path");
return (-1);
}
return 0;
}
static int
sunos_usb_ioctl(struct libusb_device *dev, int cmd)
{
int fd;
nvlist_t *nvlist;
char *end;
char *phypath;
char *hubpath;
char path_arg[PATH_MAX];
sunos_dev_priv_t *dpriv;
devctl_ap_state_t devctl_ap_state;
struct devctl_iocdata iocdata;
dpriv = usbi_get_device_priv(dev);
phypath = dpriv->phypath;
end = strrchr(phypath, '/');
if (end == NULL)
return (-1);
hubpath = strndup(phypath, end - phypath);
if (hubpath == NULL)
return (-1);
end = strrchr(hubpath, '@');
if (end == NULL) {
free(hubpath);
return (-1);
}
end++;
usbi_dbg("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("ioctl hub path: %s", path_arg);
fd = open(path_arg, O_RDONLY);
if (fd < 0) {
usbi_err(DEVICE_CTX(dev), "open failed: errno %d (%s)", errno, strerror(errno));
nvlist_free(nvlist);
free(hubpath);
return (-1);
}
memset(&iocdata, 0, sizeof(iocdata));
memset(&devctl_ap_state, 0, sizeof(devctl_ap_state));
nvlist_pack(nvlist, (char **)&iocdata.nvl_user, &iocdata.nvl_usersz, NV_ENCODE_NATIVE, 0);
iocdata.cmd = DEVCTL_AP_GETSTATE;
iocdata.flags = 0;
iocdata.c_nodename = (char *)"hub";
iocdata.c_unitaddr = end;
iocdata.cpyout_buf = &devctl_ap_state;
usbi_dbg("%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("dev rstate: %d", devctl_ap_state.ap_rstate);
usbi_dbg("dev ostate: %d", devctl_ap_state.ap_ostate);
}
errno = 0;
iocdata.cmd = cmd;
if (ioctl(fd, (int)cmd, &iocdata) != 0) {
usbi_err(DEVICE_CTX(dev), "ioctl failed: fd %d, cmd %x, errno %d (%s)",
fd, cmd, errno, strerror(errno));
sleep(2);
}
close(fd);
free(iocdata.nvl_user);
nvlist_free(nvlist);
free(hubpath);
return (-errno);
}
static int
sunos_kernel_driver_active(struct libusb_device_handle *dev_handle, uint8_t interface)
{
sunos_dev_priv_t *dpriv = usbi_get_device_priv(dev_handle->dev);
UNUSED(interface);
usbi_dbg("%s", dpriv->ugenpath);
return (dpriv->ugenpath == NULL);
}
/*
* Private functions
*/
static int _errno_to_libusb(int);
static int sunos_usb_get_status(int fd);
static string_list_t *
sunos_new_string_list(void)
{
string_list_t *list;
list = calloc(1, sizeof(string_list_t));
if (list == NULL)
return (NULL);
list->string = calloc(DEFAULT_LISTSIZE, sizeof(char *));
if (list->string == NULL) {
free(list);
return (NULL);
}
list->nargs = 0;
list->listsize = DEFAULT_LISTSIZE;
return (list);
}
static int
sunos_append_to_string_list(string_list_t *list, const char *arg)
{
char *str = strdup(arg);
if (str == NULL)
return (-1);
if ((list->nargs + 1) == list->listsize) { /* +1 is for NULL */
char **tmp = realloc(list->string,
sizeof(char *) * (list->listsize + 1));
if (tmp == NULL) {
free(str);
return (-1);
}
list->string = tmp;
list->string[list->listsize++] = NULL;
}
list->string[list->nargs++] = str;
return (0);
}
static void
sunos_free_string_list(string_list_t *list)
{
int i;
for (i = 0; i < list->nargs; i++) {
free(list->string[i]);
}
free(list->string);
free(list);
}
static char **
sunos_build_argv_list(string_list_t *list)
{
return (list->string);
}
static int
sunos_exec_command(struct libusb_context *ctx, const char *path,
string_list_t *list)
{
pid_t pid;
int status;
int waitstat;
int exit_status;
char **argv_list;
argv_list = sunos_build_argv_list(list);
if (argv_list == NULL)
return (-1);
pid = fork();
if (pid == 0) {
/* child */
execv(path, argv_list);
_exit(127);
} else if (pid > 0) {
/* parent */
do {
waitstat = waitpid(pid, &status, 0);
} while ((waitstat == -1 && errno == EINTR) ||
(waitstat == 0 && !WIFEXITED(status) && !WIFSIGNALED(status)));
if (waitstat == 0) {
if (WIFEXITED(status))
exit_status = WEXITSTATUS(status);
else
exit_status = WTERMSIG(status);
} else {
usbi_err(ctx, "waitpid failed: errno %d (%s)", errno, strerror(errno));
exit_status = -1;
}
} else {
/* fork failed */
usbi_err(ctx, "fork failed: errno %d (%s)", errno, strerror(errno));
exit_status = -1;
}
return (exit_status);
}
static int
sunos_detach_kernel_driver(struct libusb_device_handle *dev_handle,
uint8_t interface_number)
{
struct libusb_context *ctx = HANDLE_CTX(dev_handle);
string_list_t *list;
char path_arg[PATH_MAX];
sunos_dev_priv_t *dpriv;
int r;
UNUSED(interface_number);
dpriv = usbi_get_device_priv(dev_handle->dev);
snprintf(path_arg, sizeof(path_arg), "\'\"%s\"\'", dpriv->phypath);
usbi_dbg("%s", path_arg);
list = sunos_new_string_list();
if (list == NULL)
return (LIBUSB_ERROR_NO_MEM);
/* attach ugen driver */
r = 0;
r |= sunos_append_to_string_list(list, UPDATEDRV);
r |= sunos_append_to_string_list(list, "-a"); /* add rule */
r |= sunos_append_to_string_list(list, "-i"); /* specific device */
r |= sunos_append_to_string_list(list, path_arg); /* physical path */
r |= sunos_append_to_string_list(list, "ugen");
if (r) {
sunos_free_string_list(list);
return (LIBUSB_ERROR_NO_MEM);
}
r = sunos_exec_command(ctx, UPDATEDRV_PATH, list);
sunos_free_string_list(list);
if (r < 0)
return (LIBUSB_ERROR_OTHER);
/* reconfigure the driver node */
r = 0;
r |= sunos_usb_ioctl(dev_handle->dev, DEVCTL_AP_DISCONNECT);
r |= sunos_usb_ioctl(dev_handle->dev, DEVCTL_AP_CONFIGURE);
if (r)
usbi_warn(HANDLE_CTX(dev_handle), "one or more ioctls failed");
snprintf(path_arg, sizeof(path_arg), "^usb/%x.%x",
dev_handle->dev->device_descriptor.idVendor,
dev_handle->dev->device_descriptor.idProduct);
sunos_physpath_to_devlink(dpriv->phypath, path_arg, &dpriv->ugenpath);
if (access(dpriv->ugenpath, F_OK) == -1) {
usbi_err(HANDLE_CTX(dev_handle), "fail to detach kernel driver");
return (LIBUSB_ERROR_IO);
}
return sunos_usb_open_ep0(usbi_get_device_handle_priv(dev_handle), dpriv);
}
static int
sunos_attach_kernel_driver(struct libusb_device_handle *dev_handle,
uint8_t interface_number)
{
struct libusb_context *ctx = HANDLE_CTX(dev_handle);
string_list_t *list;
char path_arg[PATH_MAX];
sunos_dev_priv_t *dpriv;
int r;
UNUSED(interface_number);
/* we open the dev in detach driver, so we need close it first. */
sunos_close(dev_handle);
dpriv = usbi_get_device_priv(dev_handle->dev);
snprintf(path_arg, sizeof(path_arg), "\'\"%s\"\'", dpriv->phypath);
usbi_dbg("%s", path_arg);
list = sunos_new_string_list();
if (list == NULL)
return (LIBUSB_ERROR_NO_MEM);
/* detach ugen driver */
r = 0;
r |= sunos_append_to_string_list(list, UPDATEDRV);
r |= sunos_append_to_string_list(list, "-d"); /* add rule */
r |= sunos_append_to_string_list(list, "-i"); /* specific device */
r |= sunos_append_to_string_list(list, path_arg); /* physical path */
r |= sunos_append_to_string_list(list, "ugen");
if (r) {
sunos_free_string_list(list);
return (LIBUSB_ERROR_NO_MEM);
}
r = sunos_exec_command(ctx, UPDATEDRV_PATH, list);
sunos_free_string_list(list);
if (r < 0)
return (LIBUSB_ERROR_OTHER);
/* reconfigure the driver node */
r = 0;
r |= sunos_usb_ioctl(dev_handle->dev, DEVCTL_AP_CONFIGURE);
r |= sunos_usb_ioctl(dev_handle->dev, DEVCTL_AP_DISCONNECT);
r |= sunos_usb_ioctl(dev_handle->dev, DEVCTL_AP_CONFIGURE);
if (r)
usbi_warn(HANDLE_CTX(dev_handle), "one or more ioctls failed");
return 0;
}
static int
sunos_fill_in_dev_info(di_node_t node, struct libusb_device *dev)
{
int proplen;
int *i, n, *addr, *port_prop;
char *phypath;
uint8_t *rdata;
sunos_dev_priv_t *dpriv = usbi_get_device_priv(dev);
char match_str[PATH_MAX];
/* Device descriptors */
proplen = di_prop_lookup_bytes(DDI_DEV_T_ANY, node,
"usb-dev-descriptor", &rdata);
if (proplen <= 0) {
return (LIBUSB_ERROR_IO);
}
bcopy(rdata, &dev->device_descriptor, LIBUSB_DT_DEVICE_SIZE);
/* Raw configuration descriptors */
proplen = di_prop_lookup_bytes(DDI_DEV_T_ANY, node,
"usb-raw-cfg-descriptors", &rdata);
if (proplen <= 0) {
usbi_dbg("can't find raw config descriptors");
return (LIBUSB_ERROR_IO);
}
dpriv->raw_cfgdescr = calloc(1, proplen);
if (dpriv->raw_cfgdescr == NULL) {
return (LIBUSB_ERROR_NO_MEM);
} else {
bcopy(rdata, dpriv->raw_cfgdescr, proplen);
dpriv->cfgvalue = ((struct libusb_config_descriptor *)
rdata)->bConfigurationValue;
}
n = di_prop_lookup_ints(DDI_DEV_T_ANY, node, "reg", &port_prop);
if ((n != 1) || (*port_prop <= 0)) {
return (LIBUSB_ERROR_IO);
}
dev->port_number = *port_prop;
/* device physical path */
phypath = di_devfs_path(node);
if (phypath) {
dpriv->phypath = strdup(phypath);
snprintf(match_str, sizeof(match_str), "^usb/%x.%x",
dev->device_descriptor.idVendor,
dev->device_descriptor.idProduct);
usbi_dbg("match is %s", match_str);
sunos_physpath_to_devlink(dpriv->phypath, match_str, &dpriv->ugenpath);
di_devfs_path_free(phypath);
} else {
free(dpriv->raw_cfgdescr);
return (LIBUSB_ERROR_IO);
}
/* address */
n = di_prop_lookup_ints(DDI_DEV_T_ANY, node, "assigned-address", &addr);
if (n != 1 || *addr == 0) {
usbi_dbg("can't get address");
} else {
dev->device_address = *addr;
}
/* speed */
if (di_prop_lookup_ints(DDI_DEV_T_ANY, node, "low-speed", &i) >= 0) {
dev->speed = LIBUSB_SPEED_LOW;
} else if (di_prop_lookup_ints(DDI_DEV_T_ANY, node, "high-speed", &i) >= 0) {
dev->speed = LIBUSB_SPEED_HIGH;
} else if (di_prop_lookup_ints(DDI_DEV_T_ANY, node, "full-speed", &i) >= 0) {
dev->speed = LIBUSB_SPEED_FULL;
} else if (di_prop_lookup_ints(DDI_DEV_T_ANY, node, "super-speed", &i) >= 0) {
dev->speed = LIBUSB_SPEED_SUPER;
}
usbi_dbg("vid=%x pid=%x, path=%s, bus_nmber=0x%x, port_number=%d, speed=%d",
dev->device_descriptor.idVendor, dev->device_descriptor.idProduct,
dpriv->phypath, dev->bus_number, dev->port_number, dev->speed);
return (LIBUSB_SUCCESS);
}
static int
sunos_add_devices(di_devlink_t link, void *arg)
{
struct devlink_cbarg *largs = (struct devlink_cbarg *)arg;
struct node_args *nargs;
di_node_t myself, dn;
uint64_t session_id = 0;
uint64_t sid = 0;
uint64_t bdf = 0;
struct libusb_device *dev;
sunos_dev_priv_t *devpriv;
int n, *j;
int i = 0;
int *addr_prop;
uint8_t bus_number = 0;
uint32_t * regbuf = NULL;
uint32_t reg;
UNUSED(link);
nargs = (struct node_args *)largs->nargs;
myself = largs->myself;
/*
* Construct session ID.
* session ID = dev_addr | hub addr |parent hub addr|...|root hub bdf
* 8 bits 8bits 8 bits 16bits
*/
if (myself == DI_NODE_NIL)
return (DI_WALK_CONTINUE);
dn = myself;
/* find the root hub */
while (di_prop_lookup_ints(DDI_DEV_T_ANY, dn, "root-hub", &j) != 0) {
usbi_dbg("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("device bus address=%s:%x, name:%s",
di_bus_addr(myself), bus_number, di_node_name(dn));
usbi_dbg("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("device path:%s", di_devfs_path(dn));
/* skip hub devices, because its driver can not been unload */
if (di_prop_lookup_ints(DDI_DEV_T_ANY, dn, "usb-port-count", &addr_prop) != -1)
continue;
/* usb_addr */
n = di_prop_lookup_ints(DDI_DEV_T_ANY, dn,
"assigned-address", &addr_prop);
if ((n != 1) || (addr_prop[0] == 0)) {
usbi_dbg("cannot get valid usb_addr");
continue;
}
sid = (session_id << 8) | (addr_prop[0] & 0xff) ;
usbi_dbg("session id %" PRIX64, sid);
dev = usbi_get_device_by_session_id(nargs->ctx, sid);
if (dev == NULL) {
dev = usbi_alloc_device(nargs->ctx, sid);
if (dev == NULL) {
usbi_dbg("can't alloc device");
continue;
}
devpriv = usbi_get_device_priv(dev);
dev->bus_number = bus_number;
if (sunos_fill_in_dev_info(dn, dev) != LIBUSB_SUCCESS) {
libusb_unref_device(dev);
usbi_dbg("get information fail");
continue;
}
if (usbi_sanitize_device(dev) < 0) {
libusb_unref_device(dev);
usbi_dbg("sanatize failed: ");
return (DI_WALK_TERMINATE);
}
} else {
devpriv = usbi_get_device_priv(dev);
usbi_dbg("Dev %s exists", devpriv->ugenpath);
}
if (discovered_devs_append(*(nargs->discdevs), dev) == NULL) {
usbi_dbg("cannot append device");
}
/*
* we alloc and hence ref this dev. We don't need to ref it
* hereafter. Front end or app should take care of their ref.
*/
libusb_unref_device(dev);
usbi_dbg("Device %s %s id=0x%" PRIx64 ", devcount:%" PRIuPTR
", bdf=%" PRIx64,
devpriv->ugenpath, di_devfs_path(dn), (uint64_t)sid,
(*nargs->discdevs)->len, bdf);
}
return (DI_WALK_CONTINUE);
}
static int
sunos_walk_minor_node_link(di_node_t node, void *args)
{
di_minor_t minor = DI_MINOR_NIL;
char *minor_path;
struct devlink_cbarg arg;
struct node_args *nargs = (struct node_args *)args;
di_devlink_handle_t devlink_hdl = nargs->dlink_hdl;
/* walk each minor to find usb devices */
while ((minor = di_minor_next(node, minor)) != DI_MINOR_NIL) {
minor_path = di_devfs_minor_path(minor);
arg.nargs = args;
arg.myself = node;
arg.minor = minor;
(void) di_devlink_walk(devlink_hdl,
"^usb/hub[0-9]+", minor_path,
DI_PRIMARY_LINK, (void *)&arg, sunos_add_devices);
di_devfs_path_free(minor_path);
}
/* switch to a different node */
nargs->last_ugenpath = NULL;
return (DI_WALK_CONTINUE);
}
int
sunos_get_device_list(struct libusb_context * ctx,
struct discovered_devs **discdevs)
{
di_node_t root_node;
struct node_args args;
di_devlink_handle_t devlink_hdl;
args.ctx = ctx;
args.discdevs = discdevs;
args.last_ugenpath = NULL;
if ((root_node = di_init("/", DINFOCPYALL)) == DI_NODE_NIL) {
usbi_dbg("di_int() failed: errno %d (%s)", errno, strerror(errno));
return (LIBUSB_ERROR_IO);
}
if ((devlink_hdl = di_devlink_init(NULL, 0)) == NULL) {
di_fini(root_node);
usbi_dbg("di_devlink_init() failed: errno %d (%s)", errno, strerror(errno));
return (LIBUSB_ERROR_IO);
}
args.dlink_hdl = devlink_hdl;
/* walk each node to find USB devices */
if (di_walk_node(root_node, DI_WALK_SIBFIRST, &args,
sunos_walk_minor_node_link) == -1) {
usbi_dbg("di_walk_node() failed: errno %d (%s)", errno, strerror(errno));
di_fini(root_node);
return (LIBUSB_ERROR_IO);
}
di_fini(root_node);
di_devlink_fini(&devlink_hdl);
usbi_dbg("%zu devices", (*discdevs)->len);
return ((*discdevs)->len);
}
static int
sunos_usb_open_ep0(sunos_dev_handle_priv_t *hpriv, sunos_dev_priv_t *dpriv)
{
char filename[PATH_MAX + 1];
if (hpriv->eps[0].datafd > 0) {
return (LIBUSB_SUCCESS);
}
snprintf(filename, PATH_MAX, "%s/cntrl0", dpriv->ugenpath);
usbi_dbg("opening %s", filename);
hpriv->eps[0].datafd = open(filename, O_RDWR);
if (hpriv->eps[0].datafd < 0) {
return(_errno_to_libusb(errno));
}
snprintf(filename, PATH_MAX, "%s/cntrl0stat", dpriv->ugenpath);
hpriv->eps[0].statfd = open(filename, O_RDONLY);
if (hpriv->eps[0].statfd < 0) {
close(hpriv->eps[0].datafd);
hpriv->eps[0].datafd = -1;
return(_errno_to_libusb(errno));
}
return (LIBUSB_SUCCESS);
}
static void
sunos_usb_close_all_eps(sunos_dev_handle_priv_t *hdev)
{
int i;
/* not close ep0 */
for (i = 1; i < USB_MAXENDPOINTS; i++) {
if (hdev->eps[i].datafd != -1) {
(void) close(hdev->eps[i].datafd);
hdev->eps[i].datafd = -1;
}
if (hdev->eps[i].statfd != -1) {
(void) close(hdev->eps[i].statfd);
hdev->eps[i].statfd = -1;
}
}
}
static void
sunos_usb_close_ep0(sunos_dev_handle_priv_t *hdev)
{
if (hdev->eps[0].datafd >= 0) {
close(hdev->eps[0].datafd);
close(hdev->eps[0].statfd);
hdev->eps[0].datafd = -1;
hdev->eps[0].statfd = -1;
}
}
static uchar_t
sunos_usb_ep_index(uint8_t ep_addr)
{
return ((ep_addr & LIBUSB_ENDPOINT_ADDRESS_MASK) +
((ep_addr & LIBUSB_ENDPOINT_DIR_MASK) ? 16 : 0));
}
static int
sunos_find_interface(struct libusb_device_handle *hdev,
uint8_t endpoint, uint8_t *interface)
{
struct libusb_config_descriptor *config;
int r;
int iface_idx;
r = libusb_get_active_config_descriptor(hdev->dev, &config);
if (r < 0) {
return (LIBUSB_ERROR_INVALID_PARAM);
}
for (iface_idx = 0; iface_idx < config->bNumInterfaces; iface_idx++) {
const struct libusb_interface *iface =
&config->interface[iface_idx];
int altsetting_idx;
for (altsetting_idx = 0; altsetting_idx < iface->num_altsetting;
altsetting_idx++) {
const struct libusb_interface_descriptor *altsetting =
&iface->altsetting[altsetting_idx];
int ep_idx;
for (ep_idx = 0; ep_idx < altsetting->bNumEndpoints;
ep_idx++) {
const struct libusb_endpoint_descriptor *ep =
&altsetting->endpoint[ep_idx];
if (ep->bEndpointAddress == endpoint) {
*interface = iface_idx;
libusb_free_config_descriptor(config);
return (LIBUSB_SUCCESS);
}
}
}
}
libusb_free_config_descriptor(config);
return (LIBUSB_ERROR_INVALID_PARAM);
}
static int
sunos_check_device_and_status_open(struct libusb_device_handle *hdl,
uint8_t ep_addr, int ep_type)
{
char filename[PATH_MAX + 1], statfilename[PATH_MAX + 1];
char cfg_num[16], alt_num[16];
int fd, fdstat, mode;
uint8_t ifc = 0;
uint8_t ep_index;
sunos_dev_handle_priv_t *hpriv;
usbi_dbg("open ep 0x%02x", ep_addr);
hpriv = usbi_get_device_handle_priv(hdl);
ep_index = sunos_usb_ep_index(ep_addr);
/* ep already opened */
if ((hpriv->eps[ep_index].datafd > 0) &&
(hpriv->eps[ep_index].statfd > 0)) {
usbi_dbg("ep 0x%02x already opened, return success",
ep_addr);
return (0);
}
if (sunos_find_interface(hdl, ep_addr, &ifc) < 0) {
usbi_dbg("can't find interface for endpoint 0x%02x",
ep_addr);
return (EACCES);
}
/* create filename */
if (hpriv->config_index > 0) {
(void) snprintf(cfg_num, sizeof(cfg_num), "cfg%d",
hpriv->config_index + 1);
} else {
bzero(cfg_num, sizeof(cfg_num));
}
if (hpriv->altsetting[ifc] > 0) {
(void) snprintf(alt_num, sizeof(alt_num), ".%d",
hpriv->altsetting[ifc]);
} else {
bzero(alt_num, sizeof(alt_num));
}
(void) snprintf(filename, PATH_MAX, "%s/%sif%d%s%s%d",
hpriv->dpriv->ugenpath, cfg_num, ifc, alt_num,
(ep_addr & LIBUSB_ENDPOINT_DIR_MASK) ? "in" :
"out", (ep_addr & LIBUSB_ENDPOINT_ADDRESS_MASK));
(void) snprintf(statfilename, PATH_MAX, "%sstat", filename);
/*
* In case configuration has been switched, the xfer endpoint needs
* to be opened before the status endpoint, due to a ugen issue.
* However, to enable the one transfer mode for an Interrupt-In pipe,
* the status endpoint needs to be opened before the xfer endpoint.
* So, open the xfer mode first and close it immediately
* as a workaround. This will handle the configuration switch.
* Then, open the status endpoint. If for an Interrupt-in pipe,
* write the USB_EP_INTR_ONE_XFER control to the status endpoint
* to enable the one transfer mode. Then, re-open the xfer mode.
*/
if (ep_type == LIBUSB_TRANSFER_TYPE_ISOCHRONOUS) {
mode = O_RDWR;
} else if (ep_addr & LIBUSB_ENDPOINT_IN) {
mode = O_RDONLY;
} else {
mode = O_WRONLY;
}
/* Open the xfer endpoint first */
if ((fd = open(filename, mode)) == -1) {
usbi_dbg("can't open %s: errno %d (%s)", filename, errno,
strerror(errno));
return (errno);
}
/* And immediately close the xfer endpoint */
(void) close(fd);
/*
* Open the status endpoint.
* If for an Interrupt-IN pipe, need to enable the one transfer mode
* by writing USB_EP_INTR_ONE_XFER control to the status endpoint
* before opening the xfer endpoint
*/
if ((ep_type == LIBUSB_TRANSFER_TYPE_INTERRUPT) &&
(ep_addr & LIBUSB_ENDPOINT_IN)) {
char control = USB_EP_INTR_ONE_XFER;
ssize_t count;
/* Open the status endpoint with RDWR */
if ((fdstat = open(statfilename, O_RDWR)) == -1) {
usbi_dbg("can't open %s RDWR: errno %d (%s)",
statfilename, errno, strerror(errno));
return (errno);
} else {
count = write(fdstat, &control, sizeof(control));
if (count != 1) {
/* this should have worked */
usbi_dbg("can't write to %s: errno %d (%s)",
statfilename, errno, strerror(errno));
(void) close(fdstat);
return (errno);
}
}
} else {
if ((fdstat = open(statfilename, O_RDONLY)) == -1) {
usbi_dbg("can't open %s: errno %d (%s)", statfilename, errno,
strerror(errno));
return (errno);
}
}
/* Re-open the xfer endpoint */
if ((fd = open(filename, mode)) == -1) {
usbi_dbg("can't open %s: errno %d (%s)", filename, errno,
strerror(errno));
(void) close(fdstat);
return (errno);
}
hpriv->eps[ep_index].datafd = fd;
hpriv->eps[ep_index].statfd = fdstat;
usbi_dbg("ep=0x%02x datafd=%d, statfd=%d", ep_addr, fd, fdstat);
return (0);
}
int
sunos_open(struct libusb_device_handle *handle)
{
sunos_dev_handle_priv_t *hpriv;
sunos_dev_priv_t *dpriv;
int i;
int ret;
hpriv = usbi_get_device_handle_priv(handle);
dpriv = usbi_get_device_priv(handle->dev);
hpriv->dpriv = dpriv;
/* set all file descriptors to "closed" */
for (i = 0; i < USB_MAXENDPOINTS; i++) {
hpriv->eps[i].datafd = -1;
hpriv->eps[i].statfd = -1;
}
if (sunos_kernel_driver_active(handle, 0)) {
/* pretend we can open the device */
return (LIBUSB_SUCCESS);
}
if ((ret = sunos_usb_open_ep0(hpriv, dpriv)) != LIBUSB_SUCCESS) {
usbi_dbg("fail: %d", ret);
return (ret);
}
return (LIBUSB_SUCCESS);
}
void
sunos_close(struct libusb_device_handle *handle)
{
sunos_dev_handle_priv_t *hpriv;
usbi_dbg(" ");
hpriv = usbi_get_device_handle_priv(handle);
sunos_usb_close_all_eps(hpriv);
sunos_usb_close_ep0(hpriv);
}
int
sunos_get_active_config_descriptor(struct libusb_device *dev,
void *buf, size_t len)
{
sunos_dev_priv_t *dpriv = usbi_get_device_priv(dev);
struct libusb_config_descriptor *cfg;
int proplen;
di_node_t node;
uint8_t *rdata;
/*
* Keep raw configuration descriptors updated, in case config
* has ever been changed through setCfg.
*/
if ((node = di_init(dpriv->phypath, DINFOCPYALL)) == DI_NODE_NIL) {
usbi_dbg("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("can't find raw config descriptors");
return (LIBUSB_ERROR_IO);
}
dpriv->raw_cfgdescr = realloc(dpriv->raw_cfgdescr, proplen);
if (dpriv->raw_cfgdescr == NULL) {
return (LIBUSB_ERROR_NO_MEM);
} else {
bcopy(rdata, dpriv->raw_cfgdescr, proplen);
dpriv->cfgvalue = ((struct libusb_config_descriptor *)
rdata)->bConfigurationValue;
}
di_fini(node);
cfg = (struct libusb_config_descriptor *)dpriv->raw_cfgdescr;
len = MIN(len, libusb_le16_to_cpu(cfg->wTotalLength));
memcpy(buf, dpriv->raw_cfgdescr, len);
usbi_dbg("path:%s len %zu", dpriv->phypath, len);
return (len);
}
int
sunos_get_config_descriptor(struct libusb_device *dev, uint8_t idx,
void *buf, size_t len)
{
UNUSED(idx);
/* XXX */
return(sunos_get_active_config_descriptor(dev, buf, len));
}
int
sunos_get_configuration(struct libusb_device_handle *handle, uint8_t *config)
{
sunos_dev_priv_t *dpriv = usbi_get_device_priv(handle->dev);
*config = dpriv->cfgvalue;
usbi_dbg("bConfigurationValue %u", *config);
return (LIBUSB_SUCCESS);
}
int
sunos_set_configuration(struct libusb_device_handle *handle, int config)
{
sunos_dev_priv_t *dpriv = usbi_get_device_priv(handle->dev);
sunos_dev_handle_priv_t *hpriv;
usbi_dbg("bConfigurationValue %d", config);
hpriv = usbi_get_device_handle_priv(handle);
if (dpriv->ugenpath == NULL)
return (LIBUSB_ERROR_NOT_SUPPORTED);
if (config < 1)
return (LIBUSB_ERROR_NOT_SUPPORTED);
dpriv->cfgvalue = config;
hpriv->config_index = config - 1;
return (LIBUSB_SUCCESS);
}
int
sunos_claim_interface(struct libusb_device_handle *handle, uint8_t iface)
{
UNUSED(handle);
usbi_dbg("iface %u", iface);
return (LIBUSB_SUCCESS);
}
int
sunos_release_interface(struct libusb_device_handle *handle, uint8_t iface)
{
sunos_dev_handle_priv_t *hpriv = usbi_get_device_handle_priv(handle);
usbi_dbg("iface %u", iface);
/* XXX: can we release it? */
hpriv->altsetting[iface] = 0;
return (LIBUSB_SUCCESS);
}
int
sunos_set_interface_altsetting(struct libusb_device_handle *handle, uint8_t iface,
uint8_t altsetting)
{
sunos_dev_priv_t *dpriv = usbi_get_device_priv(handle->dev);
sunos_dev_handle_priv_t *hpriv = usbi_get_device_handle_priv(handle);
usbi_dbg("iface %u, setting %u", iface, altsetting);
if (dpriv->ugenpath == NULL)
return (LIBUSB_ERROR_NOT_FOUND);
/* XXX: can we switch altsetting? */
hpriv->altsetting[iface] = altsetting;
return (LIBUSB_SUCCESS);
}
static void
usb_dump_data(const void *data, size_t size)
{
const uint8_t *p = data;
size_t i;
if (getenv("LIBUSB_DEBUG") == NULL) {
return;
}
(void) fprintf(stderr, "data dump:");
for (i = 0; i < size; i++) {
if (i % 16 == 0) {
(void) fprintf(stderr, "\n%08zx ", i);
}
(void) fprintf(stderr, "%02x ", p[i]);
}
(void) fprintf(stderr, "\n");
}
static void
sunos_async_callback(union sigval arg)
{
struct sunos_transfer_priv *tpriv =
(struct sunos_transfer_priv *)arg.sival_ptr;
struct libusb_transfer *xfer = tpriv->transfer;
struct aiocb *aiocb = &tpriv->aiocb;
int ret;
sunos_dev_handle_priv_t *hpriv;
uint8_t ep;
libusb_device_handle *dev_handle;
dev_handle = xfer->dev_handle;
/* libusb can forcibly interrupt transfer in do_close() */
if (dev_handle != NULL) {
hpriv = usbi_get_device_handle_priv(dev_handle);
ep = sunos_usb_ep_index(xfer->endpoint);
ret = aio_error(aiocb);
if (ret != 0) {
xfer->status = sunos_usb_get_status(hpriv->eps[ep].statfd);
} else {
xfer->actual_length =
LIBUSB_TRANSFER_TO_USBI_TRANSFER(xfer)->transferred =
aio_return(aiocb);
}
usb_dump_data(xfer->buffer, xfer->actual_length);
usbi_dbg("ret=%d, len=%d, actual_len=%d", ret, xfer->length,
xfer->actual_length);
/* async notification */
usbi_signal_transfer_completion(LIBUSB_TRANSFER_TO_USBI_TRANSFER(xfer));
}
}
static int
sunos_do_async_io(struct libusb_transfer *transfer)
{
int ret = -1;
struct aiocb *aiocb;
sunos_dev_handle_priv_t *hpriv;
uint8_t ep;
struct sunos_transfer_priv *tpriv;
usbi_dbg(" ");
tpriv = usbi_get_transfer_priv(LIBUSB_TRANSFER_TO_USBI_TRANSFER(transfer));
hpriv = usbi_get_device_handle_priv(transfer->dev_handle);
ep = sunos_usb_ep_index(transfer->endpoint);
tpriv->transfer = transfer;
aiocb = &tpriv->aiocb;
bzero(aiocb, sizeof(*aiocb));
aiocb->aio_fildes = hpriv->eps[ep].datafd;
aiocb->aio_buf = transfer->buffer;
aiocb->aio_nbytes = transfer->length;
aiocb->aio_lio_opcode =
((transfer->endpoint & LIBUSB_ENDPOINT_DIR_MASK) ==
LIBUSB_ENDPOINT_IN) ? LIO_READ:LIO_WRITE;
aiocb->aio_sigevent.sigev_notify = SIGEV_THREAD;
aiocb->aio_sigevent.sigev_value.sival_ptr = tpriv;
aiocb->aio_sigevent.sigev_notify_function = sunos_async_callback;
if (aiocb->aio_lio_opcode == LIO_READ) {
ret = aio_read(aiocb);
} else {
ret = aio_write(aiocb);
}
return (ret);
}
/* return the number of bytes read/written */
static ssize_t
usb_do_io(int fd, int stat_fd, void *data, size_t size, int flag, int *status)
{
int error;
ssize_t ret = -1;
usbi_dbg("usb_do_io(): datafd=%d statfd=%d size=0x%zx flag=%s",
fd, stat_fd, size, flag? "WRITE":"READ");
switch (flag) {
case READ:
errno = 0;
ret = read(fd, data, size);
usb_dump_data(data, size);
break;
case WRITE:
usb_dump_data(data, size);
errno = 0;
ret = write(fd, data, size);
break;
}
usbi_dbg("usb_do_io(): amount=%zd", ret);
if (ret < 0) {
int save_errno = errno;
usbi_dbg("TID=%x io %s errno %d (%s)", pthread_self(),
flag?"WRITE":"READ", errno, strerror(errno));
/* sunos_usb_get_status will do a read and overwrite errno */
error = sunos_usb_get_status(stat_fd);
usbi_dbg("io status=%d errno %d (%s)", error,
save_errno, strerror(save_errno));
if (status) {
*status = save_errno;
}
return (save_errno);
} else if (status) {
*status = 0;
}
return (ret);
}
static int
solaris_submit_ctrl_on_default(struct libusb_transfer *transfer)
{
ssize_t ret = -1, setup_ret;
int status;
sunos_dev_handle_priv_t *hpriv;
struct libusb_device_handle *hdl = transfer->dev_handle;
uint16_t wLength;
uint8_t *data = transfer->buffer;
hpriv = usbi_get_device_handle_priv(hdl);
wLength = transfer->length - LIBUSB_CONTROL_SETUP_SIZE;
if (hpriv->eps[0].datafd == -1) {
usbi_dbg("ep0 not opened");
return (LIBUSB_ERROR_NOT_FOUND);
}
if ((data[0] & LIBUSB_ENDPOINT_DIR_MASK) == LIBUSB_ENDPOINT_IN) {
usbi_dbg("IN request");
ret = usb_do_io(hpriv->eps[0].datafd,
hpriv->eps[0].statfd, data, LIBUSB_CONTROL_SETUP_SIZE,
WRITE, &status);
} else {
usbi_dbg("OUT request");
ret = usb_do_io(hpriv->eps[0].datafd, hpriv->eps[0].statfd,
transfer->buffer, transfer->length, WRITE,
(int *)&transfer->status);
}
setup_ret = ret;
if (ret < (ssize_t)LIBUSB_CONTROL_SETUP_SIZE) {
usbi_dbg("error sending control msg: %zd", ret);
return (LIBUSB_ERROR_IO);
}
ret = transfer->length - LIBUSB_CONTROL_SETUP_SIZE;
/* Read the remaining bytes for IN request */
if ((wLength) && ((data[0] & LIBUSB_ENDPOINT_DIR_MASK) ==
LIBUSB_ENDPOINT_IN)) {
usbi_dbg("DATA: %d", transfer->length - (int)setup_ret);
ret = usb_do_io(hpriv->eps[0].datafd,
hpriv->eps[0].statfd,
transfer->buffer + LIBUSB_CONTROL_SETUP_SIZE,
wLength, READ, (int *)&transfer->status);
}
if (ret >= 0) {
LIBUSB_TRANSFER_TO_USBI_TRANSFER(transfer)->transferred = ret;
}
usbi_dbg("Done: ctrl data bytes %zd", ret);
/**
* Sync transfer handling.
* We should release transfer lock here and later get it back
* as usbi_handle_transfer_completion() takes its own transfer lock.
*/
usbi_mutex_unlock(&LIBUSB_TRANSFER_TO_USBI_TRANSFER(transfer)->lock);
ret = usbi_handle_transfer_completion(LIBUSB_TRANSFER_TO_USBI_TRANSFER(transfer),
transfer->status);
usbi_mutex_lock(&LIBUSB_TRANSFER_TO_USBI_TRANSFER(transfer)->lock);
return (ret);
}
int
sunos_clear_halt(struct libusb_device_handle *handle, unsigned char endpoint)
{
int ret;
usbi_dbg("endpoint=0x%02x", endpoint);
ret = libusb_control_transfer(handle, LIBUSB_ENDPOINT_OUT |
LIBUSB_RECIPIENT_ENDPOINT | LIBUSB_REQUEST_TYPE_STANDARD,
LIBUSB_REQUEST_CLEAR_FEATURE, 0, endpoint, NULL, 0, 1000);
usbi_dbg("ret=%d", ret);
return (ret);
}
void
sunos_destroy_device(struct libusb_device *dev)
{
sunos_dev_priv_t *dpriv = usbi_get_device_priv(dev);
usbi_dbg("destroy everything");
free(dpriv->raw_cfgdescr);
free(dpriv->ugenpath);
free(dpriv->phypath);
}
int
sunos_submit_transfer(struct usbi_transfer *itransfer)
{
struct libusb_transfer *transfer;
struct libusb_device_handle *hdl;
int err = 0;
transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
hdl = transfer->dev_handle;
err = sunos_check_device_and_status_open(hdl,
transfer->endpoint, transfer->type);
if (err < 0) {
return (_errno_to_libusb(err));
}
switch (transfer->type) {
case LIBUSB_TRANSFER_TYPE_CONTROL:
/* sync transfer */
usbi_dbg("CTRL transfer: %d", transfer->length);
err = solaris_submit_ctrl_on_default(transfer);
break;
case LIBUSB_TRANSFER_TYPE_BULK:
/* fallthru */
case LIBUSB_TRANSFER_TYPE_INTERRUPT:
if (transfer->type == LIBUSB_TRANSFER_TYPE_BULK)
usbi_dbg("BULK transfer: %d", transfer->length);
else
usbi_dbg("INTR transfer: %d", transfer->length);
err = sunos_do_async_io(transfer);
break;
case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS:
/* Isochronous/Stream is not supported */
/* fallthru */
case LIBUSB_TRANSFER_TYPE_BULK_STREAM:
if (transfer->type == LIBUSB_TRANSFER_TYPE_ISOCHRONOUS)
usbi_dbg("ISOC transfer: %d", transfer->length);
else
usbi_dbg("BULK STREAM transfer: %d", transfer->length);
err = LIBUSB_ERROR_NOT_SUPPORTED;
break;
}
return (err);
}
int
sunos_cancel_transfer(struct usbi_transfer *itransfer)
{
sunos_xfer_priv_t *tpriv;
sunos_dev_handle_priv_t *hpriv;
struct libusb_transfer *transfer;
struct aiocb *aiocb;
uint8_t ep;
int ret;
tpriv = usbi_get_transfer_priv(itransfer);
aiocb = &tpriv->aiocb;
transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
hpriv = usbi_get_device_handle_priv(transfer->dev_handle);
ep = sunos_usb_ep_index(transfer->endpoint);
ret = aio_cancel(hpriv->eps[ep].datafd, aiocb);
usbi_dbg("aio->fd=%d fd=%d ret = %d, %s", aiocb->aio_fildes,
hpriv->eps[ep].datafd, ret, (ret == AIO_CANCELED)?
strerror(0):strerror(errno));
if (ret != AIO_CANCELED) {
ret = _errno_to_libusb(errno);
} else {
/*
* we don't need to call usbi_handle_transfer_cancellation(),
* because we'll handle everything in sunos_async_callback.
*/
ret = LIBUSB_SUCCESS;
}
return (ret);
}
int
sunos_handle_transfer_completion(struct usbi_transfer *itransfer)
{
return usbi_handle_transfer_completion(itransfer, LIBUSB_TRANSFER_COMPLETED);
}
int
_errno_to_libusb(int err)
{
usbi_dbg("error: %s (%d)", strerror(err), err);
switch (err) {
case EIO:
return (LIBUSB_ERROR_IO);
case EACCES:
return (LIBUSB_ERROR_ACCESS);
case ENOENT:
return (LIBUSB_ERROR_NO_DEVICE);
case ENOMEM:
return (LIBUSB_ERROR_NO_MEM);
case ETIMEDOUT:
return (LIBUSB_ERROR_TIMEOUT);
}
return (LIBUSB_ERROR_OTHER);
}
/*
* sunos_usb_get_status:
* gets status of endpoint
*
* Returns: ugen's last cmd status
*/
static int
sunos_usb_get_status(int fd)
{
int status;
ssize_t ret;
usbi_dbg("sunos_usb_get_status(): fd=%d", fd);
ret = read(fd, &status, sizeof(status));
if (ret == sizeof(status)) {
switch (status) {
case USB_LC_STAT_NOERROR:
usbi_dbg("No Error");
break;
case USB_LC_STAT_CRC:
usbi_dbg("CRC Timeout Detected\n");
break;
case USB_LC_STAT_BITSTUFFING:
usbi_dbg("Bit Stuffing Violation\n");
break;
case USB_LC_STAT_DATA_TOGGLE_MM:
usbi_dbg("Data Toggle Mismatch\n");
break;
case USB_LC_STAT_STALL:
usbi_dbg("End Point Stalled\n");
break;
case USB_LC_STAT_DEV_NOT_RESP:
usbi_dbg("Device is Not Responding\n");
break;
case USB_LC_STAT_PID_CHECKFAILURE:
usbi_dbg("PID Check Failure\n");
break;
case USB_LC_STAT_UNEXP_PID:
usbi_dbg("Unexpected PID\n");
break;
case USB_LC_STAT_DATA_OVERRUN:
usbi_dbg("Data Exceeded Size\n");
break;
case USB_LC_STAT_DATA_UNDERRUN:
usbi_dbg("Less data received\n");
break;
case USB_LC_STAT_BUFFER_OVERRUN:
usbi_dbg("Buffer Size Exceeded\n");
break;
case USB_LC_STAT_BUFFER_UNDERRUN:
usbi_dbg("Buffer Underrun\n");
break;
case USB_LC_STAT_TIMEOUT:
usbi_dbg("Command Timed Out\n");
break;
case USB_LC_STAT_NOT_ACCESSED:
usbi_dbg("Not Accessed by h/w\n");
break;
case USB_LC_STAT_UNSPECIFIED_ERR:
usbi_dbg("Unspecified Error\n");
break;
case USB_LC_STAT_NO_BANDWIDTH:
usbi_dbg("No Bandwidth\n");
break;
case USB_LC_STAT_HW_ERR:
usbi_dbg("Host Controller h/w Error\n");
break;
case USB_LC_STAT_SUSPENDED:
usbi_dbg("Device was Suspended\n");
break;
case USB_LC_STAT_DISCONNECTED:
usbi_dbg("Device was Disconnected\n");
break;
case USB_LC_STAT_INTR_BUF_FULL:
usbi_dbg("Interrupt buffer was full\n");
break;
case USB_LC_STAT_INVALID_REQ:
usbi_dbg("Request was Invalid\n");
break;
case USB_LC_STAT_INTERRUPTED:
usbi_dbg("Request was Interrupted\n");
break;
case USB_LC_STAT_NO_RESOURCES:
usbi_dbg("No resources available for "
"request\n");
break;
case USB_LC_STAT_INTR_POLLING_FAILED:
usbi_dbg("Failed to Restart Poll");
break;
default:
usbi_dbg("Error Not Determined %d\n",
status);
break;
}
} else {
usbi_dbg("read stat error: %s",strerror(errno));
status = -1;
}
return (status);
}
const struct usbi_os_backend usbi_backend = {
.name = "Solaris",
.caps = 0,
.get_device_list = sunos_get_device_list,
.get_active_config_descriptor = sunos_get_active_config_descriptor,
.get_config_descriptor = sunos_get_config_descriptor,
.open = sunos_open,
.close = sunos_close,
.get_configuration = sunos_get_configuration,
.set_configuration = sunos_set_configuration,
.claim_interface = sunos_claim_interface,
.release_interface = sunos_release_interface,
.set_interface_altsetting = sunos_set_interface_altsetting,
.clear_halt = sunos_clear_halt,
.kernel_driver_active = sunos_kernel_driver_active,
.detach_kernel_driver = sunos_detach_kernel_driver,
.attach_kernel_driver = sunos_attach_kernel_driver,
.destroy_device = sunos_destroy_device,
.submit_transfer = sunos_submit_transfer,
.cancel_transfer = sunos_cancel_transfer,
.handle_transfer_completion = sunos_handle_transfer_completion,
.device_priv_size = sizeof(sunos_dev_priv_t),
.device_handle_priv_size = sizeof(sunos_dev_handle_priv_t),
.transfer_priv_size = sizeof(sunos_xfer_priv_t),
};