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-rw-r--r--drivers/staging/usbip/userspace/libsrc/Makefile.am7
-rw-r--r--drivers/staging/usbip/userspace/libsrc/names.c504
-rw-r--r--drivers/staging/usbip/userspace/libsrc/names.h41
-rw-r--r--drivers/staging/usbip/userspace/libsrc/usbip_common.c292
-rw-r--r--drivers/staging/usbip/userspace/libsrc/usbip_common.h150
-rw-r--r--drivers/staging/usbip/userspace/libsrc/usbip_host_driver.c401
-rw-r--r--drivers/staging/usbip/userspace/libsrc/usbip_host_driver.h48
-rw-r--r--drivers/staging/usbip/userspace/libsrc/vhci_driver.c537
-rw-r--r--drivers/staging/usbip/userspace/libsrc/vhci_driver.h67
9 files changed, 2047 insertions, 0 deletions
diff --git a/drivers/staging/usbip/userspace/libsrc/Makefile.am b/drivers/staging/usbip/userspace/libsrc/Makefile.am
new file mode 100644
index 00000000..4921189e
--- /dev/null
+++ b/drivers/staging/usbip/userspace/libsrc/Makefile.am
@@ -0,0 +1,7 @@
+libusbip_la_CPPFLAGS = -DUSBIDS_FILE='"@USBIDS_DIR@/usb.ids"'
+libusbip_la_CFLAGS = @EXTRA_CFLAGS@
+libusbip_la_LDFLAGS = -version-info @LIBUSBIP_VERSION@
+
+lib_LTLIBRARIES := libusbip.la
+libusbip_la_SOURCES := names.c names.h usbip_host_driver.c usbip_host_driver.h \
+ usbip_common.c usbip_common.h vhci_driver.c vhci_driver.h
diff --git a/drivers/staging/usbip/userspace/libsrc/names.c b/drivers/staging/usbip/userspace/libsrc/names.c
new file mode 100644
index 00000000..3c8d28b7
--- /dev/null
+++ b/drivers/staging/usbip/userspace/libsrc/names.c
@@ -0,0 +1,504 @@
+/*
+ * names.c -- USB name database manipulation routines
+ *
+ * Copyright (C) 1999, 2000 Thomas Sailer (sailer@ife.ee.ethz.ch)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *
+ *
+ *
+ *
+ * Copyright (C) 2005 Takahiro Hirofuchi
+ * - names_deinit() is added.
+ *
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <ctype.h>
+
+#include "names.h"
+#include "usbip_common.h"
+
+struct vendor {
+ struct vendor *next;
+ u_int16_t vendorid;
+ char name[1];
+};
+
+struct product {
+ struct product *next;
+ u_int16_t vendorid, productid;
+ char name[1];
+};
+
+struct class {
+ struct class *next;
+ u_int8_t classid;
+ char name[1];
+};
+
+struct subclass {
+ struct subclass *next;
+ u_int8_t classid, subclassid;
+ char name[1];
+};
+
+struct protocol {
+ struct protocol *next;
+ u_int8_t classid, subclassid, protocolid;
+ char name[1];
+};
+
+struct genericstrtable {
+ struct genericstrtable *next;
+ unsigned int num;
+ char name[1];
+};
+
+
+#define HASH1 0x10
+#define HASH2 0x02
+#define HASHSZ 16
+
+static unsigned int hashnum(unsigned int num)
+{
+ unsigned int mask1 = HASH1 << 27, mask2 = HASH2 << 27;
+
+ for (; mask1 >= HASH1; mask1 >>= 1, mask2 >>= 1)
+ if (num & mask1)
+ num ^= mask2;
+ return num & (HASHSZ-1);
+}
+
+
+static struct vendor *vendors[HASHSZ] = { NULL, };
+static struct product *products[HASHSZ] = { NULL, };
+static struct class *classes[HASHSZ] = { NULL, };
+static struct subclass *subclasses[HASHSZ] = { NULL, };
+static struct protocol *protocols[HASHSZ] = { NULL, };
+
+const char *names_vendor(u_int16_t vendorid)
+{
+ struct vendor *v;
+
+ v = vendors[hashnum(vendorid)];
+ for (; v; v = v->next)
+ if (v->vendorid == vendorid)
+ return v->name;
+ return NULL;
+}
+
+const char *names_product(u_int16_t vendorid, u_int16_t productid)
+{
+ struct product *p;
+
+ p = products[hashnum((vendorid << 16) | productid)];
+ for (; p; p = p->next)
+ if (p->vendorid == vendorid && p->productid == productid)
+ return p->name;
+ return NULL;
+}
+
+const char *names_class(u_int8_t classid)
+{
+ struct class *c;
+
+ c = classes[hashnum(classid)];
+ for (; c; c = c->next)
+ if (c->classid == classid)
+ return c->name;
+ return NULL;
+}
+
+const char *names_subclass(u_int8_t classid, u_int8_t subclassid)
+{
+ struct subclass *s;
+
+ s = subclasses[hashnum((classid << 8) | subclassid)];
+ for (; s; s = s->next)
+ if (s->classid == classid && s->subclassid == subclassid)
+ return s->name;
+ return NULL;
+}
+
+const char *names_protocol(u_int8_t classid, u_int8_t subclassid,
+ u_int8_t protocolid)
+{
+ struct protocol *p;
+
+ p = protocols[hashnum((classid << 16) | (subclassid << 8)
+ | protocolid)];
+ for (; p; p = p->next)
+ if (p->classid == classid && p->subclassid == subclassid &&
+ p->protocolid == protocolid)
+ return p->name;
+ return NULL;
+}
+
+/* add a cleanup function by takahiro */
+struct pool {
+ struct pool *next;
+ void *mem;
+};
+
+static struct pool *pool_head;
+
+static void *my_malloc(size_t size)
+{
+ struct pool *p;
+
+ p = calloc(1, sizeof(struct pool));
+ if (!p) {
+ free(p);
+ return NULL;
+ }
+
+ p->mem = calloc(1, size);
+ if (!p->mem)
+ return NULL;
+
+ p->next = pool_head;
+ pool_head = p;
+
+ return p->mem;
+}
+
+void names_free(void)
+{
+ struct pool *pool;
+
+ if (!pool_head)
+ return;
+
+ for (pool = pool_head; pool != NULL; ) {
+ struct pool *tmp;
+
+ if (pool->mem)
+ free(pool->mem);
+
+ tmp = pool;
+ pool = pool->next;
+ free(tmp);
+ }
+}
+
+static int new_vendor(const char *name, u_int16_t vendorid)
+{
+ struct vendor *v;
+ unsigned int h = hashnum(vendorid);
+
+ v = vendors[h];
+ for (; v; v = v->next)
+ if (v->vendorid == vendorid)
+ return -1;
+ v = my_malloc(sizeof(struct vendor) + strlen(name));
+ if (!v)
+ return -1;
+ strcpy(v->name, name);
+ v->vendorid = vendorid;
+ v->next = vendors[h];
+ vendors[h] = v;
+ return 0;
+}
+
+static int new_product(const char *name, u_int16_t vendorid,
+ u_int16_t productid)
+{
+ struct product *p;
+ unsigned int h = hashnum((vendorid << 16) | productid);
+
+ p = products[h];
+ for (; p; p = p->next)
+ if (p->vendorid == vendorid && p->productid == productid)
+ return -1;
+ p = my_malloc(sizeof(struct product) + strlen(name));
+ if (!p)
+ return -1;
+ strcpy(p->name, name);
+ p->vendorid = vendorid;
+ p->productid = productid;
+ p->next = products[h];
+ products[h] = p;
+ return 0;
+}
+
+static int new_class(const char *name, u_int8_t classid)
+{
+ struct class *c;
+ unsigned int h = hashnum(classid);
+
+ c = classes[h];
+ for (; c; c = c->next)
+ if (c->classid == classid)
+ return -1;
+ c = my_malloc(sizeof(struct class) + strlen(name));
+ if (!c)
+ return -1;
+ strcpy(c->name, name);
+ c->classid = classid;
+ c->next = classes[h];
+ classes[h] = c;
+ return 0;
+}
+
+static int new_subclass(const char *name, u_int8_t classid, u_int8_t subclassid)
+{
+ struct subclass *s;
+ unsigned int h = hashnum((classid << 8) | subclassid);
+
+ s = subclasses[h];
+ for (; s; s = s->next)
+ if (s->classid == classid && s->subclassid == subclassid)
+ return -1;
+ s = my_malloc(sizeof(struct subclass) + strlen(name));
+ if (!s)
+ return -1;
+ strcpy(s->name, name);
+ s->classid = classid;
+ s->subclassid = subclassid;
+ s->next = subclasses[h];
+ subclasses[h] = s;
+ return 0;
+}
+
+static int new_protocol(const char *name, u_int8_t classid, u_int8_t subclassid,
+ u_int8_t protocolid)
+{
+ struct protocol *p;
+ unsigned int h = hashnum((classid << 16) | (subclassid << 8)
+ | protocolid);
+
+ p = protocols[h];
+ for (; p; p = p->next)
+ if (p->classid == classid && p->subclassid == subclassid
+ && p->protocolid == protocolid)
+ return -1;
+ p = my_malloc(sizeof(struct protocol) + strlen(name));
+ if (!p)
+ return -1;
+ strcpy(p->name, name);
+ p->classid = classid;
+ p->subclassid = subclassid;
+ p->protocolid = protocolid;
+ p->next = protocols[h];
+ protocols[h] = p;
+ return 0;
+}
+
+static void parse(FILE *f)
+{
+ char buf[512], *cp;
+ unsigned int linectr = 0;
+ int lastvendor = -1;
+ int lastclass = -1;
+ int lastsubclass = -1;
+ int lasthut = -1;
+ int lastlang = -1;
+ unsigned int u;
+
+ while (fgets(buf, sizeof(buf), f)) {
+ linectr++;
+ /* remove line ends */
+ cp = strchr(buf, '\r');
+ if (cp)
+ *cp = 0;
+ cp = strchr(buf, '\n');
+ if (cp)
+ *cp = 0;
+ if (buf[0] == '#' || !buf[0])
+ continue;
+ cp = buf;
+ if (buf[0] == 'P' && buf[1] == 'H' && buf[2] == 'Y' &&
+ buf[3] == 'S' && buf[4] == 'D' &&
+ buf[5] == 'E' && buf[6] == 'S' && /*isspace(buf[7])*/
+ buf[7] == ' ') {
+ continue;
+ }
+ if (buf[0] == 'P' && buf[1] == 'H' &&
+ buf[2] == 'Y' && /*isspace(buf[3])*/ buf[3] == ' ') {
+ continue;
+ }
+ if (buf[0] == 'B' && buf[1] == 'I' && buf[2] == 'A' &&
+ buf[3] == 'S' && /*isspace(buf[4])*/ buf[4] == ' ') {
+ continue;
+ }
+ if (buf[0] == 'L' && /*isspace(buf[1])*/ buf[1] == ' ') {
+ lasthut = lastclass = lastvendor = lastsubclass = -1;
+ /*
+ * set 1 as pseudo-id to indicate that the parser is
+ * in a `L' section.
+ */
+ lastlang = 1;
+ continue;
+ }
+ if (buf[0] == 'C' && /*isspace(buf[1])*/ buf[1] == ' ') {
+ /* class spec */
+ cp = buf+2;
+ while (isspace(*cp))
+ cp++;
+ if (!isxdigit(*cp)) {
+ err("Invalid class spec at line %u", linectr);
+ continue;
+ }
+ u = strtoul(cp, &cp, 16);
+ while (isspace(*cp))
+ cp++;
+ if (!*cp) {
+ err("Invalid class spec at line %u", linectr);
+ continue;
+ }
+ if (new_class(cp, u))
+ err("Duplicate class spec at line %u class %04x %s",
+ linectr, u, cp);
+ dbg("line %5u class %02x %s", linectr, u, cp);
+ lasthut = lastlang = lastvendor = lastsubclass = -1;
+ lastclass = u;
+ continue;
+ }
+ if (buf[0] == 'A' && buf[1] == 'T' && isspace(buf[2])) {
+ /* audio terminal type spec */
+ continue;
+ }
+ if (buf[0] == 'H' && buf[1] == 'C' && buf[2] == 'C'
+ && isspace(buf[3])) {
+ /* HID Descriptor bCountryCode */
+ continue;
+ }
+ if (isxdigit(*cp)) {
+ /* vendor */
+ u = strtoul(cp, &cp, 16);
+ while (isspace(*cp))
+ cp++;
+ if (!*cp) {
+ err("Invalid vendor spec at line %u", linectr);
+ continue;
+ }
+ if (new_vendor(cp, u))
+ err("Duplicate vendor spec at line %u vendor %04x %s",
+ linectr, u, cp);
+ dbg("line %5u vendor %04x %s", linectr, u, cp);
+ lastvendor = u;
+ lasthut = lastlang = lastclass = lastsubclass = -1;
+ continue;
+ }
+ if (buf[0] == '\t' && isxdigit(buf[1])) {
+ /* product or subclass spec */
+ u = strtoul(buf+1, &cp, 16);
+ while (isspace(*cp))
+ cp++;
+ if (!*cp) {
+ err("Invalid product/subclass spec at line %u",
+ linectr);
+ continue;
+ }
+ if (lastvendor != -1) {
+ if (new_product(cp, lastvendor, u))
+ err("Duplicate product spec at line %u product %04x:%04x %s",
+ linectr, lastvendor, u, cp);
+ dbg("line %5u product %04x:%04x %s", linectr,
+ lastvendor, u, cp);
+ continue;
+ }
+ if (lastclass != -1) {
+ if (new_subclass(cp, lastclass, u))
+ err("Duplicate subclass spec at line %u class %02x:%02x %s",
+ linectr, lastclass, u, cp);
+ dbg("line %5u subclass %02x:%02x %s", linectr,
+ lastclass, u, cp);
+ lastsubclass = u;
+ continue;
+ }
+ if (lasthut != -1) {
+ /* do not store hut */
+ continue;
+ }
+ if (lastlang != -1) {
+ /* do not store langid */
+ continue;
+ }
+ err("Product/Subclass spec without prior Vendor/Class spec at line %u",
+ linectr);
+ continue;
+ }
+ if (buf[0] == '\t' && buf[1] == '\t' && isxdigit(buf[2])) {
+ /* protocol spec */
+ u = strtoul(buf+2, &cp, 16);
+ while (isspace(*cp))
+ cp++;
+ if (!*cp) {
+ err("Invalid protocol spec at line %u",
+ linectr);
+ continue;
+ }
+ if (lastclass != -1 && lastsubclass != -1) {
+ if (new_protocol(cp, lastclass, lastsubclass,
+ u))
+ err("Duplicate protocol spec at line %u class %02x:%02x:%02x %s",
+ linectr, lastclass, lastsubclass,
+ u, cp);
+ dbg("line %5u protocol %02x:%02x:%02x %s",
+ linectr, lastclass, lastsubclass, u, cp);
+ continue;
+ }
+ err("Protocol spec without prior Class and Subclass spec at line %u",
+ linectr);
+ continue;
+ }
+ if (buf[0] == 'H' && buf[1] == 'I' &&
+ buf[2] == 'D' && /*isspace(buf[3])*/ buf[3] == ' ') {
+ continue;
+ }
+ if (buf[0] == 'H' && buf[1] == 'U' &&
+ buf[2] == 'T' && /*isspace(buf[3])*/ buf[3] == ' ') {
+ lastlang = lastclass = lastvendor = lastsubclass = -1;
+ /*
+ * set 1 as pseudo-id to indicate that the parser is
+ * in a `HUT' section.
+ */
+ lasthut = 1;
+ continue;
+ }
+ if (buf[0] == 'R' && buf[1] == ' ')
+ continue;
+
+ if (buf[0] == 'V' && buf[1] == 'T')
+ continue;
+
+ err("Unknown line at line %u", linectr);
+ }
+}
+
+
+int names_init(char *n)
+{
+ FILE *f;
+
+ f = fopen(n, "r");
+ if (!f)
+ return errno;
+
+ parse(f);
+ fclose(f);
+ return 0;
+}
diff --git a/drivers/staging/usbip/userspace/libsrc/names.h b/drivers/staging/usbip/userspace/libsrc/names.h
new file mode 100644
index 00000000..68092651
--- /dev/null
+++ b/drivers/staging/usbip/userspace/libsrc/names.h
@@ -0,0 +1,41 @@
+/*
+ * names.h -- USB name database manipulation routines
+ *
+ * Copyright (C) 1999, 2000 Thomas Sailer (sailer@ife.ee.ethz.ch)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *
+ *
+ * Copyright (C) 2005 Takahiro Hirofuchi
+ * - names_free() is added.
+ */
+
+#ifndef _NAMES_H
+#define _NAMES_H
+
+#include <sys/types.h>
+
+/* used by usbip_common.c */
+extern const char *names_vendor(u_int16_t vendorid);
+extern const char *names_product(u_int16_t vendorid, u_int16_t productid);
+extern const char *names_class(u_int8_t classid);
+extern const char *names_subclass(u_int8_t classid, u_int8_t subclassid);
+extern const char *names_protocol(u_int8_t classid, u_int8_t subclassid,
+ u_int8_t protocolid);
+extern int names_init(char *n);
+extern void names_free(void);
+
+#endif /* _NAMES_H */
diff --git a/drivers/staging/usbip/userspace/libsrc/usbip_common.c b/drivers/staging/usbip/userspace/libsrc/usbip_common.c
new file mode 100644
index 00000000..17e08e02
--- /dev/null
+++ b/drivers/staging/usbip/userspace/libsrc/usbip_common.c
@@ -0,0 +1,292 @@
+/*
+ * Copyright (C) 2005-2007 Takahiro Hirofuchi
+ */
+
+#include "usbip_common.h"
+#include "names.h"
+
+#undef PROGNAME
+#define PROGNAME "libusbip"
+
+int usbip_use_syslog;
+int usbip_use_stderr;
+int usbip_use_debug;
+
+struct speed_string {
+ int num;
+ char *speed;
+ char *desc;
+};
+
+static const struct speed_string speed_strings[] = {
+ { USB_SPEED_UNKNOWN, "unknown", "Unknown Speed"},
+ { USB_SPEED_LOW, "1.5", "Low Speed(1.5Mbps)" },
+ { USB_SPEED_FULL, "12", "Full Speed(12Mbps)" },
+ { USB_SPEED_HIGH, "480", "High Speed(480Mbps)" },
+ { 0, NULL, NULL }
+};
+
+struct portst_string {
+ int num;
+ char *desc;
+};
+
+static struct portst_string portst_strings[] = {
+ { SDEV_ST_AVAILABLE, "Device Available" },
+ { SDEV_ST_USED, "Device in Use" },
+ { SDEV_ST_ERROR, "Device Error"},
+ { VDEV_ST_NULL, "Port Available"},
+ { VDEV_ST_NOTASSIGNED, "Port Initializing"},
+ { VDEV_ST_USED, "Port in Use"},
+ { VDEV_ST_ERROR, "Port Error"},
+ { 0, NULL}
+};
+
+const char *usbip_status_string(int32_t status)
+{
+ for (int i = 0; portst_strings[i].desc != NULL; i++)
+ if (portst_strings[i].num == status)
+ return portst_strings[i].desc;
+
+ return "Unknown Status";
+}
+
+const char *usbip_speed_string(int num)
+{
+ for (int i = 0; speed_strings[i].speed != NULL; i++)
+ if (speed_strings[i].num == num)
+ return speed_strings[i].desc;
+
+ return "Unknown Speed";
+}
+
+
+#define DBG_UDEV_INTEGER(name)\
+ dbg("%-20s = %x", to_string(name), (int) udev->name)
+
+#define DBG_UINF_INTEGER(name)\
+ dbg("%-20s = %x", to_string(name), (int) uinf->name)
+
+void dump_usb_interface(struct usbip_usb_interface *uinf)
+{
+ char buff[100];
+ usbip_names_get_class(buff, sizeof(buff),
+ uinf->bInterfaceClass,
+ uinf->bInterfaceSubClass,
+ uinf->bInterfaceProtocol);
+ dbg("%-20s = %s", "Interface(C/SC/P)", buff);
+}
+
+void dump_usb_device(struct usbip_usb_device *udev)
+{
+ char buff[100];
+
+
+ dbg("%-20s = %s", "path", udev->path);
+ dbg("%-20s = %s", "busid", udev->busid);
+
+ usbip_names_get_class(buff, sizeof(buff),
+ udev->bDeviceClass,
+ udev->bDeviceSubClass,
+ udev->bDeviceProtocol);
+ dbg("%-20s = %s", "Device(C/SC/P)", buff);
+
+ DBG_UDEV_INTEGER(bcdDevice);
+
+ usbip_names_get_product(buff, sizeof(buff),
+ udev->idVendor,
+ udev->idProduct);
+ dbg("%-20s = %s", "Vendor/Product", buff);
+
+ DBG_UDEV_INTEGER(bNumConfigurations);
+ DBG_UDEV_INTEGER(bNumInterfaces);
+
+ dbg("%-20s = %s", "speed",
+ usbip_speed_string(udev->speed));
+
+ DBG_UDEV_INTEGER(busnum);
+ DBG_UDEV_INTEGER(devnum);
+}
+
+
+int read_attr_value(struct sysfs_device *dev, const char *name,
+ const char *format)
+{
+ char attrpath[SYSFS_PATH_MAX];
+ struct sysfs_attribute *attr;
+ int num = 0;
+ int ret;
+
+ snprintf(attrpath, sizeof(attrpath), "%s/%s", dev->path, name);
+
+ attr = sysfs_open_attribute(attrpath);
+ if (!attr) {
+ dbg("sysfs_open_attribute failed: %s", attrpath);
+ return 0;
+ }
+
+ ret = sysfs_read_attribute(attr);
+ if (ret < 0) {
+ dbg("sysfs_read_attribute failed");
+ goto err;
+ }
+
+ ret = sscanf(attr->value, format, &num);
+ if (ret < 1) {
+ dbg("sscanf failed");
+ goto err;
+ }
+
+err:
+ sysfs_close_attribute(attr);
+
+ return num;
+}
+
+
+int read_attr_speed(struct sysfs_device *dev)
+{
+ char attrpath[SYSFS_PATH_MAX];
+ struct sysfs_attribute *attr;
+ char speed[100];
+ int ret;
+
+ snprintf(attrpath, sizeof(attrpath), "%s/%s", dev->path, "speed");
+
+ attr = sysfs_open_attribute(attrpath);
+ if (!attr) {
+ dbg("sysfs_open_attribute failed: %s", attrpath);
+ return 0;
+ }
+
+ ret = sysfs_read_attribute(attr);
+ if (ret < 0) {
+ dbg("sysfs_read_attribute failed");
+ goto err;
+ }
+
+ ret = sscanf(attr->value, "%s\n", speed);
+ if (ret < 1) {
+ dbg("sscanf failed");
+ goto err;
+ }
+err:
+ sysfs_close_attribute(attr);
+
+ for (int i = 0; speed_strings[i].speed != NULL; i++) {
+ if (!strcmp(speed, speed_strings[i].speed))
+ return speed_strings[i].num;
+ }
+
+ return USB_SPEED_UNKNOWN;
+}
+
+#define READ_ATTR(object, type, dev, name, format) \
+ do { \
+ (object)->name = (type) read_attr_value(dev, to_string(name), \
+ format); \
+ } while (0)
+
+
+int read_usb_device(struct sysfs_device *sdev, struct usbip_usb_device *udev)
+{
+ uint32_t busnum, devnum;
+
+ READ_ATTR(udev, uint8_t, sdev, bDeviceClass, "%02x\n");
+ READ_ATTR(udev, uint8_t, sdev, bDeviceSubClass, "%02x\n");
+ READ_ATTR(udev, uint8_t, sdev, bDeviceProtocol, "%02x\n");
+
+ READ_ATTR(udev, uint16_t, sdev, idVendor, "%04x\n");
+ READ_ATTR(udev, uint16_t, sdev, idProduct, "%04x\n");
+ READ_ATTR(udev, uint16_t, sdev, bcdDevice, "%04x\n");
+
+ READ_ATTR(udev, uint8_t, sdev, bConfigurationValue, "%02x\n");
+ READ_ATTR(udev, uint8_t, sdev, bNumConfigurations, "%02x\n");
+ READ_ATTR(udev, uint8_t, sdev, bNumInterfaces, "%02x\n");
+
+ READ_ATTR(udev, uint8_t, sdev, devnum, "%d\n");
+ udev->speed = read_attr_speed(sdev);
+
+ strncpy(udev->path, sdev->path, SYSFS_PATH_MAX);
+ strncpy(udev->busid, sdev->name, SYSFS_BUS_ID_SIZE);
+
+ sscanf(sdev->name, "%u-%u", &busnum, &devnum);
+ udev->busnum = busnum;
+
+ return 0;
+}
+
+int read_usb_interface(struct usbip_usb_device *udev, int i,
+ struct usbip_usb_interface *uinf)
+{
+ char busid[SYSFS_BUS_ID_SIZE];
+ struct sysfs_device *sif;
+
+ sprintf(busid, "%s:%d.%d", udev->busid, udev->bConfigurationValue, i);
+
+ sif = sysfs_open_device("usb", busid);
+ if (!sif) {
+ dbg("sysfs_open_device(\"usb\", \"%s\") failed", busid);
+ return -1;
+ }
+
+ READ_ATTR(uinf, uint8_t, sif, bInterfaceClass, "%02x\n");
+ READ_ATTR(uinf, uint8_t, sif, bInterfaceSubClass, "%02x\n");
+ READ_ATTR(uinf, uint8_t, sif, bInterfaceProtocol, "%02x\n");
+
+ sysfs_close_device(sif);
+
+ return 0;
+}
+
+int usbip_names_init(char *f)
+{
+ return names_init(f);
+}
+
+void usbip_names_free()
+{
+ names_free();
+}
+
+void usbip_names_get_product(char *buff, size_t size, uint16_t vendor,
+ uint16_t product)
+{
+ const char *prod, *vend;
+
+ prod = names_product(vendor, product);
+ if (!prod)
+ prod = "unknown product";
+
+
+ vend = names_vendor(vendor);
+ if (!vend)
+ vend = "unknown vendor";
+
+ snprintf(buff, size, "%s : %s (%04x:%04x)", vend, prod, vendor, product);
+}
+
+void usbip_names_get_class(char *buff, size_t size, uint8_t class,
+ uint8_t subclass, uint8_t protocol)
+{
+ const char *c, *s, *p;
+
+ if (class == 0 && subclass == 0 && protocol == 0) {
+ snprintf(buff, size, "(Defined at Interface level) (%02x/%02x/%02x)", class, subclass, protocol);
+ return;
+ }
+
+ p = names_protocol(class, subclass, protocol);
+ if (!p)
+ p = "unknown protocol";
+
+ s = names_subclass(class, subclass);
+ if (!s)
+ s = "unknown subclass";
+
+ c = names_class(class);
+ if (!c)
+ c = "unknown class";
+
+ snprintf(buff, size, "%s / %s / %s (%02x/%02x/%02x)", c, s, p, class, subclass, protocol);
+}
diff --git a/drivers/staging/usbip/userspace/libsrc/usbip_common.h b/drivers/staging/usbip/userspace/libsrc/usbip_common.h
new file mode 100644
index 00000000..938ad1c3
--- /dev/null
+++ b/drivers/staging/usbip/userspace/libsrc/usbip_common.h
@@ -0,0 +1,150 @@
+/*
+ * Copyright (C) 2005-2007 Takahiro Hirofuchi
+ */
+
+#ifndef __USBIP_COMMON_H
+#define __USBIP_COMMON_H
+
+#include <sysfs/libsysfs.h>
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <syslog.h>
+#include <unistd.h>
+
+#ifndef USBIDS_FILE
+#define USBIDS_FILE "/usr/share/hwdata/usb.ids"
+#endif
+
+#ifndef VHCI_STATE_PATH
+#define VHCI_STATE_PATH "/var/run/vhci_hcd"
+#endif
+
+/* kernel module names */
+#define USBIP_CORE_MOD_NAME "usbip-core"
+#define USBIP_HOST_DRV_NAME "usbip-host"
+#define USBIP_VHCI_DRV_NAME "vhci_hcd"
+
+extern int usbip_use_syslog;
+extern int usbip_use_stderr;
+extern int usbip_use_debug ;
+
+#define PROGNAME "usbip"
+
+#define pr_fmt(fmt) "%s: %s: " fmt "\n", PROGNAME
+#define dbg_fmt(fmt) pr_fmt("%s:%d:[%s] " fmt), "debug", \
+ __FILE__, __LINE__, __FUNCTION__
+
+#define err(fmt, args...) \
+ do { \
+ if (usbip_use_syslog) { \
+ syslog(LOG_ERR, pr_fmt(fmt), "error", ##args); \
+ } \
+ if (usbip_use_stderr) { \
+ fprintf(stderr, pr_fmt(fmt), "error", ##args); \
+ } \
+ } while (0)
+
+#define info(fmt, args...) \
+ do { \
+ if (usbip_use_syslog) { \
+ syslog(LOG_INFO, pr_fmt(fmt), "info", ##args); \
+ } \
+ if (usbip_use_stderr) { \
+ fprintf(stderr, pr_fmt(fmt), "info", ##args); \
+ } \
+ } while (0)
+
+#define dbg(fmt, args...) \
+ do { \
+ if (usbip_use_debug) { \
+ if (usbip_use_syslog) { \
+ syslog(LOG_DEBUG, dbg_fmt(fmt), ##args); \
+ } \
+ if (usbip_use_stderr) { \
+ fprintf(stderr, dbg_fmt(fmt), ##args); \
+ } \
+ } \
+ } while (0)
+
+#define BUG() \
+ do { \
+ err("sorry, it's a bug!"); \
+ abort(); \
+ } while (0)
+
+enum usb_device_speed {
+ USB_SPEED_UNKNOWN = 0, /* enumerating */
+ USB_SPEED_LOW, USB_SPEED_FULL, /* usb 1.1 */
+ USB_SPEED_HIGH, /* usb 2.0 */
+ USB_SPEED_VARIABLE /* wireless (usb 2.5) */
+};
+
+/* FIXME: how to sync with drivers/usbip_common.h ? */
+enum usbip_device_status {
+ /* sdev is available. */
+ SDEV_ST_AVAILABLE = 0x01,
+ /* sdev is now used. */
+ SDEV_ST_USED,
+ /* sdev is unusable because of a fatal error. */
+ SDEV_ST_ERROR,
+
+ /* vdev does not connect a remote device. */
+ VDEV_ST_NULL,
+ /* vdev is used, but the USB address is not assigned yet */
+ VDEV_ST_NOTASSIGNED,
+ VDEV_ST_USED,
+ VDEV_ST_ERROR
+};
+
+struct usbip_usb_interface {
+ uint8_t bInterfaceClass;
+ uint8_t bInterfaceSubClass;
+ uint8_t bInterfaceProtocol;
+ uint8_t padding; /* alignment */
+} __attribute__((packed));
+
+struct usbip_usb_device {
+ char path[SYSFS_PATH_MAX];
+ char busid[SYSFS_BUS_ID_SIZE];
+
+ uint32_t busnum;
+ uint32_t devnum;
+ uint32_t speed;
+
+ uint16_t idVendor;
+ uint16_t idProduct;
+ uint16_t bcdDevice;
+
+ uint8_t bDeviceClass;
+ uint8_t bDeviceSubClass;
+ uint8_t bDeviceProtocol;
+ uint8_t bConfigurationValue;
+ uint8_t bNumConfigurations;
+ uint8_t bNumInterfaces;
+} __attribute__((packed));
+
+#define to_string(s) #s
+
+void dump_usb_interface(struct usbip_usb_interface *);
+void dump_usb_device(struct usbip_usb_device *);
+int read_usb_device(struct sysfs_device *sdev, struct usbip_usb_device *udev);
+int read_attr_value(struct sysfs_device *dev, const char *name,
+ const char *format);
+int read_usb_interface(struct usbip_usb_device *udev, int i,
+ struct usbip_usb_interface *uinf);
+
+const char *usbip_speed_string(int num);
+const char *usbip_status_string(int32_t status);
+
+int usbip_names_init(char *);
+void usbip_names_free(void);
+void usbip_names_get_product(char *buff, size_t size, uint16_t vendor,
+ uint16_t product);
+void usbip_names_get_class(char *buff, size_t size, uint8_t class,
+ uint8_t subclass, uint8_t protocol);
+
+#endif /* __USBIP_COMMON_H */
diff --git a/drivers/staging/usbip/userspace/libsrc/usbip_host_driver.c b/drivers/staging/usbip/userspace/libsrc/usbip_host_driver.c
new file mode 100644
index 00000000..71a449cf
--- /dev/null
+++ b/drivers/staging/usbip/userspace/libsrc/usbip_host_driver.c
@@ -0,0 +1,401 @@
+/*
+ * Copyright (C) 2011 matt mooney <mfm@muteddisk.com>
+ * 2005-2007 Takahiro Hirofuchi
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <errno.h>
+#include <unistd.h>
+
+#include "usbip_common.h"
+#include "usbip_host_driver.h"
+
+#undef PROGNAME
+#define PROGNAME "libusbip"
+
+struct usbip_host_driver *host_driver;
+
+#define SYSFS_OPEN_RETRIES 100
+
+/* only the first interface value is true! */
+static int32_t read_attr_usbip_status(struct usbip_usb_device *udev)
+{
+ char attrpath[SYSFS_PATH_MAX];
+ struct sysfs_attribute *attr;
+ int value = 0;
+ int rc;
+ struct stat s;
+ int retries = SYSFS_OPEN_RETRIES;
+
+ /* This access is racy!
+ *
+ * Just after detach, our driver removes the sysfs
+ * files and recreates them.
+ *
+ * We may try and fail to open the usbip_status of
+ * an exported device in the (short) window where
+ * it has been removed and not yet recreated.
+ *
+ * This is a bug in the interface. Nothing we can do
+ * except work around it here by polling for the sysfs
+ * usbip_status to reappear.
+ */
+
+ snprintf(attrpath, SYSFS_PATH_MAX, "%s/%s:%d.%d/usbip_status",
+ udev->path, udev->busid, udev->bConfigurationValue, 0);
+
+ while (retries > 0) {
+ if (stat(attrpath, &s) == 0)
+ break;
+
+ if (errno != ENOENT) {
+ dbg("stat failed: %s", attrpath);
+ return -1;
+ }
+
+ usleep(10000); /* 10ms */
+ retries--;
+ }
+
+ if (retries == 0)
+ dbg("usbip_status not ready after %d retries",
+ SYSFS_OPEN_RETRIES);
+ else if (retries < SYSFS_OPEN_RETRIES)
+ dbg("warning: usbip_status ready after %d retries",
+ SYSFS_OPEN_RETRIES - retries);
+
+ attr = sysfs_open_attribute(attrpath);
+ if (!attr) {
+ dbg("sysfs_open_attribute failed: %s", attrpath);
+ return -1;
+ }
+
+ rc = sysfs_read_attribute(attr);
+ if (rc) {
+ dbg("sysfs_read_attribute failed: %s", attrpath);
+ sysfs_close_attribute(attr);
+ return -1;
+ }
+
+ value = atoi(attr->value);
+
+ sysfs_close_attribute(attr);
+
+ return value;
+}
+
+static struct usbip_exported_device *usbip_exported_device_new(char *sdevpath)
+{
+ struct usbip_exported_device *edev = NULL;
+ size_t size;
+ int i;
+
+ edev = calloc(1, sizeof(*edev));
+ if (!edev) {
+ dbg("calloc failed");
+ return NULL;
+ }
+
+ edev->sudev = sysfs_open_device_path(sdevpath);
+ if (!edev->sudev) {
+ dbg("sysfs_open_device_path failed: %s", sdevpath);
+ goto err;
+ }
+
+ read_usb_device(edev->sudev, &edev->udev);
+
+ edev->status = read_attr_usbip_status(&edev->udev);
+ if (edev->status < 0)
+ goto err;
+
+ /* reallocate buffer to include usb interface data */
+ size = sizeof(*edev) + edev->udev.bNumInterfaces *
+ sizeof(struct usbip_usb_interface);
+
+ edev = realloc(edev, size);
+ if (!edev) {
+ dbg("realloc failed");
+ goto err;
+ }
+
+ for (i = 0; i < edev->udev.bNumInterfaces; i++)
+ read_usb_interface(&edev->udev, i, &edev->uinf[i]);
+
+ return edev;
+err:
+ if (edev && edev->sudev)
+ sysfs_close_device(edev->sudev);
+ if (edev)
+ free(edev);
+
+ return NULL;
+}
+
+static int check_new(struct dlist *dlist, struct sysfs_device *target)
+{
+ struct sysfs_device *dev;
+
+ dlist_for_each_data(dlist, dev, struct sysfs_device) {
+ if (!strncmp(dev->bus_id, target->bus_id, SYSFS_BUS_ID_SIZE))
+ /* device found and is not new */
+ return 0;
+ }
+ return 1;
+}
+
+static void delete_nothing(void *unused_data)
+{
+ /*
+ * NOTE: Do not delete anything, but the container will be deleted.
+ */
+ (void) unused_data;
+}
+
+static int refresh_exported_devices(void)
+{
+ /* sysfs_device of usb_interface */
+ struct sysfs_device *suintf;
+ struct dlist *suintf_list;
+ /* sysfs_device of usb_device */
+ struct sysfs_device *sudev;
+ struct dlist *sudev_list;
+ struct usbip_exported_device *edev;
+
+ sudev_list = dlist_new_with_delete(sizeof(struct sysfs_device),
+ delete_nothing);
+
+ suintf_list = sysfs_get_driver_devices(host_driver->sysfs_driver);
+ if (!suintf_list) {
+ /*
+ * Not an error condition. There are simply no devices bound to
+ * the driver yet.
+ */
+ dbg("bind " USBIP_HOST_DRV_NAME ".ko to a usb device to be "
+ "exportable!");
+ return 0;
+ }
+
+ /* collect unique USB devices (not interfaces) */
+ dlist_for_each_data(suintf_list, suintf, struct sysfs_device) {
+ /* get usb device of this usb interface */
+ sudev = sysfs_get_device_parent(suintf);
+ if (!sudev) {
+ dbg("sysfs_get_device_parent failed: %s", suintf->name);
+ continue;
+ }
+
+ if (check_new(sudev_list, sudev)) {
+ /* insert item at head of list */
+ dlist_unshift(sudev_list, sudev);
+ }
+ }
+
+ dlist_for_each_data(sudev_list, sudev, struct sysfs_device) {
+ edev = usbip_exported_device_new(sudev->path);
+ if (!edev) {
+ dbg("usbip_exported_device_new failed");
+ continue;
+ }
+
+ dlist_unshift(host_driver->edev_list, edev);
+ host_driver->ndevs++;
+ }
+
+ dlist_destroy(sudev_list);
+
+ return 0;
+}
+
+static struct sysfs_driver *open_sysfs_host_driver(void)
+{
+ char bus_type[] = "usb";
+ char sysfs_mntpath[SYSFS_PATH_MAX];
+ char host_drv_path[SYSFS_PATH_MAX];
+ struct sysfs_driver *host_drv;
+ int rc;
+
+ rc = sysfs_get_mnt_path(sysfs_mntpath, SYSFS_PATH_MAX);
+ if (rc < 0) {
+ dbg("sysfs_get_mnt_path failed");
+ return NULL;
+ }
+
+ snprintf(host_drv_path, SYSFS_PATH_MAX, "%s/%s/%s/%s/%s",
+ sysfs_mntpath, SYSFS_BUS_NAME, bus_type, SYSFS_DRIVERS_NAME,
+ USBIP_HOST_DRV_NAME);
+
+ host_drv = sysfs_open_driver_path(host_drv_path);
+ if (!host_drv) {
+ dbg("sysfs_open_driver_path failed");
+ return NULL;
+ }
+
+ return host_drv;
+}
+
+static void usbip_exported_device_delete(void *dev)
+{
+ struct usbip_exported_device *edev = dev;
+ sysfs_close_device(edev->sudev);
+ free(dev);
+}
+
+int usbip_host_driver_open(void)
+{
+ int rc;
+
+ host_driver = calloc(1, sizeof(*host_driver));
+ if (!host_driver) {
+ dbg("calloc failed");
+ return -1;
+ }
+
+ host_driver->ndevs = 0;
+ host_driver->edev_list =
+ dlist_new_with_delete(sizeof(struct usbip_exported_device),
+ usbip_exported_device_delete);
+ if (!host_driver->edev_list) {
+ dbg("dlist_new_with_delete failed");
+ goto err_free_host_driver;
+ }
+
+ host_driver->sysfs_driver = open_sysfs_host_driver();
+ if (!host_driver->sysfs_driver)
+ goto err_destroy_edev_list;
+
+ rc = refresh_exported_devices();
+ if (rc < 0)
+ goto err_close_sysfs_driver;
+
+ return 0;
+
+err_close_sysfs_driver:
+ sysfs_close_driver(host_driver->sysfs_driver);
+err_destroy_edev_list:
+ dlist_destroy(host_driver->edev_list);
+err_free_host_driver:
+ free(host_driver);
+ host_driver = NULL;
+
+ return -1;
+}
+
+void usbip_host_driver_close(void)
+{
+ if (!host_driver)
+ return;
+
+ if (host_driver->edev_list)
+ dlist_destroy(host_driver->edev_list);
+ if (host_driver->sysfs_driver)
+ sysfs_close_driver(host_driver->sysfs_driver);
+
+ free(host_driver);
+ host_driver = NULL;
+}
+
+int usbip_host_refresh_device_list(void)
+{
+ int rc;
+
+ if (host_driver->edev_list)
+ dlist_destroy(host_driver->edev_list);
+
+ host_driver->ndevs = 0;
+ host_driver->edev_list =
+ dlist_new_with_delete(sizeof(struct usbip_exported_device),
+ usbip_exported_device_delete);
+ if (!host_driver->edev_list) {
+ dbg("dlist_new_with_delete failed");
+ return -1;
+ }
+
+ rc = refresh_exported_devices();
+ if (rc < 0)
+ return -1;
+
+ return 0;
+}
+
+int usbip_host_export_device(struct usbip_exported_device *edev, int sockfd)
+{
+ char attr_name[] = "usbip_sockfd";
+ char attr_path[SYSFS_PATH_MAX];
+ struct sysfs_attribute *attr;
+ char sockfd_buff[30];
+ int ret;
+
+ if (edev->status != SDEV_ST_AVAILABLE) {
+ dbg("device not available: %s", edev->udev.busid);
+ switch (edev->status) {
+ case SDEV_ST_ERROR:
+ dbg("status SDEV_ST_ERROR");
+ break;
+ case SDEV_ST_USED:
+ dbg("status SDEV_ST_USED");
+ break;
+ default:
+ dbg("status unknown: 0x%x", edev->status);
+ }
+ return -1;
+ }
+
+ /* only the first interface is true */
+ snprintf(attr_path, sizeof(attr_path), "%s/%s:%d.%d/%s",
+ edev->udev.path, edev->udev.busid,
+ edev->udev.bConfigurationValue, 0, attr_name);
+
+ attr = sysfs_open_attribute(attr_path);
+ if (!attr) {
+ dbg("sysfs_open_attribute failed: %s", attr_path);
+ return -1;
+ }
+
+ snprintf(sockfd_buff, sizeof(sockfd_buff), "%d\n", sockfd);
+ dbg("write: %s", sockfd_buff);
+
+ ret = sysfs_write_attribute(attr, sockfd_buff, strlen(sockfd_buff));
+ if (ret < 0) {
+ dbg("sysfs_write_attribute failed: sockfd %s to %s",
+ sockfd_buff, attr_path);
+ goto err_write_sockfd;
+ }
+
+ dbg("connect: %s", edev->udev.busid);
+
+err_write_sockfd:
+ sysfs_close_attribute(attr);
+
+ return ret;
+}
+
+struct usbip_exported_device *usbip_host_get_device(int num)
+{
+ struct usbip_exported_device *edev;
+ struct dlist *dlist = host_driver->edev_list;
+ int cnt = 0;
+
+ dlist_for_each_data(dlist, edev, struct usbip_exported_device) {
+ if (num == cnt)
+ return edev;
+ else
+ cnt++;
+ }
+
+ return NULL;
+}
diff --git a/drivers/staging/usbip/userspace/libsrc/usbip_host_driver.h b/drivers/staging/usbip/userspace/libsrc/usbip_host_driver.h
new file mode 100644
index 00000000..34fd14cb
--- /dev/null
+++ b/drivers/staging/usbip/userspace/libsrc/usbip_host_driver.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2011 matt mooney <mfm@muteddisk.com>
+ * 2005-2007 Takahiro Hirofuchi
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __USBIP_HOST_DRIVER_H
+#define __USBIP_HOST_DRIVER_H
+
+#include <stdint.h>
+#include "usbip_common.h"
+
+struct usbip_host_driver {
+ int ndevs;
+ struct sysfs_driver *sysfs_driver;
+ /* list of exported device */
+ struct dlist *edev_list;
+};
+
+struct usbip_exported_device {
+ struct sysfs_device *sudev;
+ int32_t status;
+ struct usbip_usb_device udev;
+ struct usbip_usb_interface uinf[];
+};
+
+extern struct usbip_host_driver *host_driver;
+
+int usbip_host_driver_open(void);
+void usbip_host_driver_close(void);
+
+int usbip_host_refresh_device_list(void);
+int usbip_host_export_device(struct usbip_exported_device *edev, int sockfd);
+struct usbip_exported_device *usbip_host_get_device(int num);
+
+#endif /* __USBIP_HOST_DRIVER_H */
diff --git a/drivers/staging/usbip/userspace/libsrc/vhci_driver.c b/drivers/staging/usbip/userspace/libsrc/vhci_driver.c
new file mode 100644
index 00000000..25e62e9f
--- /dev/null
+++ b/drivers/staging/usbip/userspace/libsrc/vhci_driver.c
@@ -0,0 +1,537 @@
+/*
+ * Copyright (C) 2005-2007 Takahiro Hirofuchi
+ */
+
+#include "usbip_common.h"
+#include "vhci_driver.h"
+
+#undef PROGNAME
+#define PROGNAME "libusbip"
+
+struct usbip_vhci_driver *vhci_driver;
+
+static struct usbip_imported_device *
+imported_device_init(struct usbip_imported_device *idev, char *busid)
+{
+ struct sysfs_device *sudev;
+
+ sudev = sysfs_open_device("usb", busid);
+ if (!sudev) {
+ dbg("sysfs_open_device failed: %s", busid);
+ goto err;
+ }
+ read_usb_device(sudev, &idev->udev);
+ sysfs_close_device(sudev);
+
+ /* add class devices of this imported device */
+ struct usbip_class_device *cdev;
+ dlist_for_each_data(vhci_driver->cdev_list, cdev,
+ struct usbip_class_device) {
+ if (!strncmp(cdev->dev_path, idev->udev.path,
+ strlen(idev->udev.path))) {
+ struct usbip_class_device *new_cdev;
+ /*
+ * alloc and copy because dlist is linked
+ * from only one list
+ */
+ new_cdev = calloc(1, sizeof(*new_cdev));
+ if (!new_cdev)
+ goto err;
+
+ memcpy(new_cdev, cdev, sizeof(*new_cdev));
+ dlist_unshift(idev->cdev_list, (void *) new_cdev);
+ }
+ }
+
+ return idev;
+
+err:
+ return NULL;
+}
+
+
+
+static int parse_status(char *value)
+{
+ int ret = 0;
+ char *c;
+
+
+ for (int i = 0; i < vhci_driver->nports; i++)
+ memset(&vhci_driver->idev[i], 0, sizeof(vhci_driver->idev[i]));
+
+
+ /* skip a header line */
+ c = strchr(value, '\n');
+ if (!c)
+ return -1;
+ c++;
+
+ while (*c != '\0') {
+ int port, status, speed, devid;
+ unsigned long socket;
+ char lbusid[SYSFS_BUS_ID_SIZE];
+
+ ret = sscanf(c, "%d %d %d %x %lx %s\n",
+ &port, &status, &speed,
+ &devid, &socket, lbusid);
+
+ if (ret < 5) {
+ dbg("sscanf failed: %d", ret);
+ BUG();
+ }
+
+ dbg("port %d status %d speed %d devid %x",
+ port, status, speed, devid);
+ dbg("socket %lx lbusid %s", socket, lbusid);
+
+
+ /* if a device is connected, look at it */
+ {
+ struct usbip_imported_device *idev = &vhci_driver->idev[port];
+
+ idev->port = port;
+ idev->status = status;
+
+ idev->devid = devid;
+
+ idev->busnum = (devid >> 16);
+ idev->devnum = (devid & 0x0000ffff);
+
+ idev->cdev_list = dlist_new(sizeof(struct usbip_class_device));
+ if (!idev->cdev_list) {
+ dbg("dlist_new failed");
+ return -1;
+ }
+
+ if (idev->status != VDEV_ST_NULL
+ && idev->status != VDEV_ST_NOTASSIGNED) {
+ idev = imported_device_init(idev, lbusid);
+ if (!idev) {
+ dbg("imported_device_init failed");
+ return -1;
+ }
+ }
+ }
+
+
+ /* go to the next line */
+ c = strchr(c, '\n');
+ if (!c)
+ break;
+ c++;
+ }
+
+ dbg("exit");
+
+ return 0;
+}
+
+
+static int check_usbip_device(struct sysfs_class_device *cdev)
+{
+ /* /sys/class/video4linux/video0/device */
+ char class_path[SYSFS_PATH_MAX];
+ /* /sys/devices/platform/vhci_hcd/usb6/6-1:1.1 */
+ char dev_path[SYSFS_PATH_MAX];
+ int ret;
+ struct usbip_class_device *usbip_cdev;
+
+ snprintf(class_path, sizeof(class_path), "%s/device", cdev->path);
+
+ ret = sysfs_get_link(class_path, dev_path, sizeof(dev_path));
+ if (ret == 0) {
+ if (!strncmp(dev_path, vhci_driver->hc_device->path,
+ strlen(vhci_driver->hc_device->path))) {
+ /* found usbip device */
+ usbip_cdev = calloc(1, sizeof(*usbip_cdev));
+ if (!usbip_cdev) {
+ dbg("calloc failed");
+ return -1;
+ }
+ dlist_unshift(vhci_driver->cdev_list, usbip_cdev);
+ strncpy(usbip_cdev->class_path, class_path,
+ sizeof(usbip_cdev->class_path));
+ strncpy(usbip_cdev->dev_path, dev_path,
+ sizeof(usbip_cdev->dev_path));
+ dbg("found: %s %s", class_path, dev_path);
+ }
+ }
+
+ return 0;
+}
+
+
+static int search_class_for_usbip_device(char *cname)
+{
+ struct sysfs_class *class;
+ struct dlist *cdev_list;
+ struct sysfs_class_device *cdev;
+ int ret = 0;
+
+ class = sysfs_open_class(cname);
+ if (!class) {
+ dbg("sysfs_open_class failed");
+ return -1;
+ }
+
+ dbg("class: %s", class->name);
+
+ cdev_list = sysfs_get_class_devices(class);
+ if (!cdev_list)
+ /* nothing */
+ goto out;
+
+ dlist_for_each_data(cdev_list, cdev, struct sysfs_class_device) {
+ dbg("cdev: %s", cdev->name);
+ ret = check_usbip_device(cdev);
+ if (ret < 0)
+ goto out;
+ }
+
+out:
+ sysfs_close_class(class);
+
+ return ret;
+}
+
+
+static int refresh_class_device_list(void)
+{
+ int ret;
+ struct dlist *cname_list;
+ char *cname;
+ char sysfs_mntpath[SYSFS_PATH_MAX];
+ char class_path[SYSFS_PATH_MAX];
+
+ ret = sysfs_get_mnt_path(sysfs_mntpath, SYSFS_PATH_MAX);
+ if (ret < 0) {
+ dbg("sysfs_get_mnt_path failed");
+ return -1;
+ }
+
+ snprintf(class_path, sizeof(class_path), "%s/%s", sysfs_mntpath,
+ SYSFS_CLASS_NAME);
+
+ /* search under /sys/class */
+ cname_list = sysfs_open_directory_list(class_path);
+ if (!cname_list) {
+ dbg("sysfs_open_directory failed");
+ return -1;
+ }
+
+ dlist_for_each_data(cname_list, cname, char) {
+ ret = search_class_for_usbip_device(cname);
+ if (ret < 0) {
+ sysfs_close_list(cname_list);
+ return -1;
+ }
+ }
+
+ sysfs_close_list(cname_list);
+
+ /* seach under /sys/block */
+ ret = search_class_for_usbip_device(SYSFS_BLOCK_NAME);
+ if (ret < 0)
+ return -1;
+
+ return 0;
+}
+
+
+static int refresh_imported_device_list(void)
+{
+ struct sysfs_attribute *attr_status;
+
+
+ attr_status = sysfs_get_device_attr(vhci_driver->hc_device, "status");
+ if (!attr_status) {
+ dbg("sysfs_get_device_attr(\"status\") failed: %s",
+ vhci_driver->hc_device->name);
+ return -1;
+ }
+
+ dbg("name: %s path: %s len: %d method: %d value: %s",
+ attr_status->name, attr_status->path, attr_status->len,
+ attr_status->method, attr_status->value);
+
+ return parse_status(attr_status->value);
+}
+
+static int get_nports(void)
+{
+ char *c;
+ int nports = 0;
+ struct sysfs_attribute *attr_status;
+
+ attr_status = sysfs_get_device_attr(vhci_driver->hc_device, "status");
+ if (!attr_status) {
+ dbg("sysfs_get_device_attr(\"status\") failed: %s",
+ vhci_driver->hc_device->name);
+ return -1;
+ }
+
+ dbg("name: %s path: %s len: %d method: %d value: %s",
+ attr_status->name, attr_status->path, attr_status->len,
+ attr_status->method, attr_status->value);
+
+ /* skip a header line */
+ c = strchr(attr_status->value, '\n');
+ if (!c)
+ return 0;
+ c++;
+
+ while (*c != '\0') {
+ /* go to the next line */
+ c = strchr(c, '\n');
+ if (!c)
+ return nports;
+ c++;
+ nports += 1;
+ }
+
+ return nports;
+}
+
+static int get_hc_busid(char *sysfs_mntpath, char *hc_busid)
+{
+ struct sysfs_driver *sdriver;
+ char sdriver_path[SYSFS_PATH_MAX];
+
+ struct sysfs_device *hc_dev;
+ struct dlist *hc_devs;
+
+ int found = 0;
+
+ snprintf(sdriver_path, SYSFS_PATH_MAX, "%s/%s/%s/%s/%s", sysfs_mntpath,
+ SYSFS_BUS_NAME, USBIP_VHCI_BUS_TYPE, SYSFS_DRIVERS_NAME,
+ USBIP_VHCI_DRV_NAME);
+
+ sdriver = sysfs_open_driver_path(sdriver_path);
+ if (!sdriver) {
+ dbg("sysfs_open_driver_path failed: %s", sdriver_path);
+ dbg("make sure " USBIP_CORE_MOD_NAME ".ko and "
+ USBIP_VHCI_DRV_NAME ".ko are loaded!");
+ return -1;
+ }
+
+ hc_devs = sysfs_get_driver_devices(sdriver);
+ if (!hc_devs) {
+ dbg("sysfs_get_driver failed");
+ goto err;
+ }
+
+ /* assume only one vhci_hcd */
+ dlist_for_each_data(hc_devs, hc_dev, struct sysfs_device) {
+ strncpy(hc_busid, hc_dev->bus_id, SYSFS_BUS_ID_SIZE);
+ found = 1;
+ }
+
+err:
+ sysfs_close_driver(sdriver);
+
+ if (found)
+ return 0;
+
+ dbg("%s not found", hc_busid);
+ return -1;
+}
+
+
+/* ---------------------------------------------------------------------- */
+
+int usbip_vhci_driver_open(void)
+{
+ int ret;
+ char hc_busid[SYSFS_BUS_ID_SIZE];
+
+ vhci_driver = (struct usbip_vhci_driver *) calloc(1, sizeof(*vhci_driver));
+ if (!vhci_driver) {
+ dbg("calloc failed");
+ return -1;
+ }
+
+ ret = sysfs_get_mnt_path(vhci_driver->sysfs_mntpath, SYSFS_PATH_MAX);
+ if (ret < 0) {
+ dbg("sysfs_get_mnt_path failed");
+ goto err;
+ }
+
+ ret = get_hc_busid(vhci_driver->sysfs_mntpath, hc_busid);
+ if (ret < 0)
+ goto err;
+
+ /* will be freed in usbip_driver_close() */
+ vhci_driver->hc_device = sysfs_open_device(USBIP_VHCI_BUS_TYPE,
+ hc_busid);
+ if (!vhci_driver->hc_device) {
+ dbg("sysfs_open_device failed");
+ goto err;
+ }
+
+ vhci_driver->nports = get_nports();
+
+ dbg("available ports: %d", vhci_driver->nports);
+
+ vhci_driver->cdev_list = dlist_new(sizeof(struct usbip_class_device));
+ if (!vhci_driver->cdev_list)
+ goto err;
+
+ if (refresh_class_device_list())
+ goto err;
+
+ if (refresh_imported_device_list())
+ goto err;
+
+
+ return 0;
+
+
+err:
+ if (vhci_driver->cdev_list)
+ dlist_destroy(vhci_driver->cdev_list);
+ if (vhci_driver->hc_device)
+ sysfs_close_device(vhci_driver->hc_device);
+ if (vhci_driver)
+ free(vhci_driver);
+
+ vhci_driver = NULL;
+ return -1;
+}
+
+
+void usbip_vhci_driver_close()
+{
+ if (!vhci_driver)
+ return;
+
+ if (vhci_driver->cdev_list)
+ dlist_destroy(vhci_driver->cdev_list);
+
+ for (int i = 0; i < vhci_driver->nports; i++) {
+ if (vhci_driver->idev[i].cdev_list)
+ dlist_destroy(vhci_driver->idev[i].cdev_list);
+ }
+
+ if (vhci_driver->hc_device)
+ sysfs_close_device(vhci_driver->hc_device);
+ free(vhci_driver);
+
+ vhci_driver = NULL;
+}
+
+
+int usbip_vhci_refresh_device_list(void)
+{
+ if (vhci_driver->cdev_list)
+ dlist_destroy(vhci_driver->cdev_list);
+
+
+ for (int i = 0; i < vhci_driver->nports; i++) {
+ if (vhci_driver->idev[i].cdev_list)
+ dlist_destroy(vhci_driver->idev[i].cdev_list);
+ }
+
+ vhci_driver->cdev_list = dlist_new(sizeof(struct usbip_class_device));
+ if (!vhci_driver->cdev_list)
+ goto err;
+
+ if (refresh_class_device_list())
+ goto err;
+
+ if (refresh_imported_device_list())
+ goto err;
+
+ return 0;
+err:
+ if (vhci_driver->cdev_list)
+ dlist_destroy(vhci_driver->cdev_list);
+
+ for (int i = 0; i < vhci_driver->nports; i++) {
+ if (vhci_driver->idev[i].cdev_list)
+ dlist_destroy(vhci_driver->idev[i].cdev_list);
+ }
+
+ dbg("failed to refresh device list");
+ return -1;
+}
+
+
+int usbip_vhci_get_free_port(void)
+{
+ for (int i = 0; i < vhci_driver->nports; i++) {
+ if (vhci_driver->idev[i].status == VDEV_ST_NULL)
+ return i;
+ }
+
+ return -1;
+}
+
+int usbip_vhci_attach_device2(uint8_t port, int sockfd, uint32_t devid,
+ uint32_t speed) {
+ struct sysfs_attribute *attr_attach;
+ char buff[200]; /* what size should be ? */
+ int ret;
+
+ attr_attach = sysfs_get_device_attr(vhci_driver->hc_device, "attach");
+ if (!attr_attach) {
+ dbg("sysfs_get_device_attr(\"attach\") failed: %s",
+ vhci_driver->hc_device->name);
+ return -1;
+ }
+
+ snprintf(buff, sizeof(buff), "%u %u %u %u",
+ port, sockfd, devid, speed);
+ dbg("writing: %s", buff);
+
+ ret = sysfs_write_attribute(attr_attach, buff, strlen(buff));
+ if (ret < 0) {
+ dbg("sysfs_write_attribute failed");
+ return -1;
+ }
+
+ dbg("attached port: %d", port);
+
+ return 0;
+}
+
+static unsigned long get_devid(uint8_t busnum, uint8_t devnum)
+{
+ return (busnum << 16) | devnum;
+}
+
+/* will be removed */
+int usbip_vhci_attach_device(uint8_t port, int sockfd, uint8_t busnum,
+ uint8_t devnum, uint32_t speed)
+{
+ int devid = get_devid(busnum, devnum);
+
+ return usbip_vhci_attach_device2(port, sockfd, devid, speed);
+}
+
+int usbip_vhci_detach_device(uint8_t port)
+{
+ struct sysfs_attribute *attr_detach;
+ char buff[200]; /* what size should be ? */
+ int ret;
+
+ attr_detach = sysfs_get_device_attr(vhci_driver->hc_device, "detach");
+ if (!attr_detach) {
+ dbg("sysfs_get_device_attr(\"detach\") failed: %s",
+ vhci_driver->hc_device->name);
+ return -1;
+ }
+
+ snprintf(buff, sizeof(buff), "%u", port);
+ dbg("writing: %s", buff);
+
+ ret = sysfs_write_attribute(attr_detach, buff, strlen(buff));
+ if (ret < 0) {
+ dbg("sysfs_write_attribute failed");
+ return -1;
+ }
+
+ dbg("detached port: %d", port);
+
+ return 0;
+}
diff --git a/drivers/staging/usbip/userspace/libsrc/vhci_driver.h b/drivers/staging/usbip/userspace/libsrc/vhci_driver.h
new file mode 100644
index 00000000..89949aa7
--- /dev/null
+++ b/drivers/staging/usbip/userspace/libsrc/vhci_driver.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2005-2007 Takahiro Hirofuchi
+ */
+
+#ifndef __VHCI_DRIVER_H
+#define __VHCI_DRIVER_H
+
+#include <sysfs/libsysfs.h>
+#include <stdint.h>
+
+#include "usbip_common.h"
+
+#define USBIP_VHCI_BUS_TYPE "platform"
+#define MAXNPORT 128
+
+struct usbip_class_device {
+ char class_path[SYSFS_PATH_MAX];
+ char dev_path[SYSFS_PATH_MAX];
+};
+
+struct usbip_imported_device {
+ uint8_t port;
+ uint32_t status;
+
+ uint32_t devid;
+
+ uint8_t busnum;
+ uint8_t devnum;
+
+ /* usbip_class_device list */
+ struct dlist *cdev_list;
+ struct usbip_usb_device udev;
+};
+
+struct usbip_vhci_driver {
+ char sysfs_mntpath[SYSFS_PATH_MAX];
+
+ /* /sys/devices/platform/vhci_hcd */
+ struct sysfs_device *hc_device;
+
+ /* usbip_class_device list */
+ struct dlist *cdev_list;
+
+ int nports;
+ struct usbip_imported_device idev[MAXNPORT];
+};
+
+
+extern struct usbip_vhci_driver *vhci_driver;
+
+int usbip_vhci_driver_open(void);
+void usbip_vhci_driver_close(void);
+
+int usbip_vhci_refresh_device_list(void);
+
+
+int usbip_vhci_get_free_port(void);
+int usbip_vhci_attach_device2(uint8_t port, int sockfd, uint32_t devid,
+ uint32_t speed);
+
+/* will be removed */
+int usbip_vhci_attach_device(uint8_t port, int sockfd, uint8_t busnum,
+ uint8_t devnum, uint32_t speed);
+
+int usbip_vhci_detach_device(uint8_t port);
+
+#endif /* __VHCI_DRIVER_H */
generated by cgit v1.3.1 (git 2.54.0) at 2026-08-15 14:52:54 +0000