socsvn commit: r255078 - in soc2013/syuu/bhyve_usb/usr.sbin/bhyve: . usb usb/include/hw
syuu at FreeBSD.org
syuu at FreeBSD.org
Tue Jul 23 21:55:19 UTC 2013
Author: syuu
Date: Tue Jul 23 21:55:19 2013
New Revision: 255078
URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=255078
Log:
porting host-libusb.c
Added:
soc2013/syuu/bhyve_usb/usr.sbin/bhyve/usb/host-libusb.c
Modified:
soc2013/syuu/bhyve_usb/usr.sbin/bhyve/Makefile
soc2013/syuu/bhyve_usb/usr.sbin/bhyve/usb/include/hw/usb.h
Modified: soc2013/syuu/bhyve_usb/usr.sbin/bhyve/Makefile
==============================================================================
--- soc2013/syuu/bhyve_usb/usr.sbin/bhyve/Makefile Tue Jul 23 21:24:24 2013 (r255077)
+++ soc2013/syuu/bhyve_usb/usr.sbin/bhyve/Makefile Tue Jul 23 21:55:19 2013 (r255078)
@@ -17,12 +17,12 @@
.PATH: ${.CURDIR}/usb
CFLAGS+=-I${.CURDIR}/usb/include -I${.CURDIR}
-SRCS+= core.c hcd-uhci.c
+SRCS+= core.c hcd-uhci.c host-libusb.c
NO_MAN=
DPADD= ${LIBVMMAPI} ${LIBMD} ${LIBPTHREAD}
-LDADD= -lvmmapi -lmd -lpthread -lrt
+LDADD= -lvmmapi -lmd -lpthread -lrt -lusb
WARNS?= 2
Added: soc2013/syuu/bhyve_usb/usr.sbin/bhyve/usb/host-libusb.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ soc2013/syuu/bhyve_usb/usr.sbin/bhyve/usb/host-libusb.c Tue Jul 23 21:55:19 2013 (r255078)
@@ -0,0 +1,1586 @@
+/*
+ * Linux host USB redirector
+ *
+ * Copyright (c) 2005 Fabrice Bellard
+ *
+ * Copyright (c) 2008 Max Krasnyansky
+ * Support for host device auto connect & disconnect
+ * Major rewrite to support fully async operation
+ *
+ * Copyright 2008 TJ <linux at tjworld.net>
+ * Added flexible support for /dev/bus/usb /sys/bus/usb/devices in addition
+ * to the legacy /proc/bus/usb USB device discovery and handling
+ *
+ * (c) 2012 Gerd Hoffmann <kraxel at redhat.com>
+ * Completely rewritten to use libusb instead of usbfs ioctls.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include <poll.h>
+#include <libusb.h>
+#include <stdlib.h>
+#include <string.h>
+
+//#include "qemu-common.h"
+//#include "monitor/monitor.h"
+//#include "sysemu/sysemu.h"
+//#include "trace.h"
+
+#include "hw/usb.h"
+
+/* ------------------------------------------------------------------------ */
+
+#define TYPE_USB_HOST_DEVICE "usb-host"
+#if 0
+#define USB_HOST_DEVICE(obj) \
+ OBJECT_CHECK(USBHostDevice, (obj), TYPE_USB_HOST_DEVICE)
+#endif
+#define USB_HOST_DEVICE(obj) ((struct USBHostDevice *)obj)
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
+
+#define trace_usb_host_req_complete(a,b,c,d,e)
+#define trace_usb_host_iso_start(a,b,c)
+#define trace_usb_host_iso_stop(a,b,c)
+#define trace_usb_host_iso_out_of_bufs(a,b,c)
+#define trace_usb_host_parse_config(a,b,c,d)
+#define trace_usb_host_parse_interface(a,b,c,d,e)
+#define trace_usb_host_parse_error(a,b,c)
+#define trace_usb_host_parse_endpoint(a,b,c,d,e,f)
+#define trace_usb_host_open_started(a,b)
+#define trace_usb_host_open_success(a,b)
+#define trace_usb_host_open_failure(a,b)
+#define trace_usb_host_close(a,b)
+#define trace_usb_host_req_canceled(a,b,c)
+#define trace_usb_host_attach_kernel(a,b,c)
+#define trace_usb_host_detach_kernel(a,b,c)
+#define trace_usb_host_claim_interface(a,b,c,d)
+#define trace_usb_host_release_interface(a,b,c)
+#define trace_usb_host_set_address(a,b,c)
+#define trace_usb_host_set_config(a,b,c)
+#define trace_usb_host_set_interface(a,b,c,d)
+#define trace_usb_host_req_control(a,b,c,d,e,f)
+#define trace_usb_host_req_emulated(a,b,c,d)
+#define trace_usb_host_req_complete(a,b,c,d,e)
+#define trace_usb_host_req_data(a,b,c,d,e,f)
+#define trace_usb_host_reset(a,b)
+#define trace_usb_host_auto_scan_enabled()
+
+typedef struct USBHostDevice USBHostDevice;
+typedef struct USBHostRequest USBHostRequest;
+typedef struct USBHostIsoXfer USBHostIsoXfer;
+typedef struct USBHostIsoRing USBHostIsoRing;
+
+struct USBAutoFilter {
+ uint32_t bus_num;
+ uint32_t addr;
+ char *port;
+ uint32_t vendor_id;
+ uint32_t product_id;
+};
+
+enum USBHostDeviceOptions {
+ USB_HOST_OPT_PIPELINE,
+};
+
+#define USB_DEVICE(s) (&(s)->parent_obj)
+
+struct USBHostDevice {
+ USBDevice parent_obj;
+
+ /* properties */
+ struct USBAutoFilter match;
+ int32_t bootindex;
+ uint32_t iso_urb_count;
+ uint32_t iso_urb_frames;
+ uint32_t options;
+ uint32_t loglevel;
+
+ /* state */
+ QTAILQ_ENTRY(USBHostDevice) next;
+ int seen, errcount;
+ int bus_num;
+ int addr;
+ char port[16];
+
+ libusb_device *dev;
+ libusb_device_handle *dh;
+ struct libusb_device_descriptor ddesc;
+
+ struct {
+ bool detached;
+ bool claimed;
+ } ifs[USB_MAX_INTERFACES];
+
+ /* callbacks & friends */
+// QEMUBH *bh_nodev;
+// QEMUBH *bh_postld;
+// Notifier exit;
+
+ /* request queues */
+ QTAILQ_HEAD(, USBHostRequest) requests;
+ QTAILQ_HEAD(, USBHostIsoRing) isorings;
+};
+
+struct USBHostRequest {
+ USBHostDevice *host;
+ USBPacket *p;
+ bool in;
+ struct libusb_transfer *xfer;
+ unsigned char *buffer;
+ unsigned char *cbuf;
+ unsigned int clen;
+ QTAILQ_ENTRY(USBHostRequest) next;
+};
+
+struct USBHostIsoXfer {
+ USBHostIsoRing *ring;
+ struct libusb_transfer *xfer;
+ bool copy_complete;
+ unsigned int packet;
+ QTAILQ_ENTRY(USBHostIsoXfer) next;
+};
+
+struct USBHostIsoRing {
+ USBHostDevice *host;
+ USBEndpoint *ep;
+ QTAILQ_HEAD(, USBHostIsoXfer) unused;
+ QTAILQ_HEAD(, USBHostIsoXfer) inflight;
+ QTAILQ_HEAD(, USBHostIsoXfer) copy;
+ QTAILQ_ENTRY(USBHostIsoRing) next;
+};
+
+static QTAILQ_HEAD(, USBHostDevice) hostdevs =
+ QTAILQ_HEAD_INITIALIZER(hostdevs);
+
+static void usb_host_auto_check(void *unused);
+static void usb_host_release_interfaces(USBHostDevice *s);
+static void usb_host_nodev(USBHostDevice *s);
+static void usb_host_attach_kernel(USBHostDevice *s);
+
+/* ------------------------------------------------------------------------ */
+
+#define CONTROL_TIMEOUT 10000 /* 10 sec */
+#define BULK_TIMEOUT 0 /* unlimited */
+#define INTR_TIMEOUT 0 /* unlimited */
+
+#if 0
+static const char *speed_name[] = {
+ [LIBUSB_SPEED_UNKNOWN] = "?",
+ [LIBUSB_SPEED_LOW] = "1.5",
+ [LIBUSB_SPEED_FULL] = "12",
+ [LIBUSB_SPEED_HIGH] = "480",
+ [LIBUSB_SPEED_SUPER] = "5000",
+};
+#endif
+
+static const unsigned int speed_map[] = {
+ [LIBUSB_SPEED_LOW] = USB_SPEED_LOW,
+ [LIBUSB_SPEED_FULL] = USB_SPEED_FULL,
+ [LIBUSB_SPEED_HIGH] = USB_SPEED_HIGH,
+ [LIBUSB_SPEED_SUPER] = USB_SPEED_SUPER,
+};
+
+static const unsigned int status_map[] = {
+ [LIBUSB_TRANSFER_COMPLETED] = USB_RET_SUCCESS,
+ [LIBUSB_TRANSFER_ERROR] = USB_RET_IOERROR,
+ [LIBUSB_TRANSFER_TIMED_OUT] = USB_RET_IOERROR,
+ [LIBUSB_TRANSFER_CANCELLED] = USB_RET_IOERROR,
+ [LIBUSB_TRANSFER_STALL] = USB_RET_STALL,
+ [LIBUSB_TRANSFER_NO_DEVICE] = USB_RET_NODEV,
+ [LIBUSB_TRANSFER_OVERFLOW] = USB_RET_BABBLE,
+};
+
+static const char *err_names[] = {
+ [-LIBUSB_ERROR_IO] = "IO",
+ [-LIBUSB_ERROR_INVALID_PARAM] = "INVALID_PARAM",
+ [-LIBUSB_ERROR_ACCESS] = "ACCESS",
+ [-LIBUSB_ERROR_NO_DEVICE] = "NO_DEVICE",
+ [-LIBUSB_ERROR_NOT_FOUND] = "NOT_FOUND",
+ [-LIBUSB_ERROR_BUSY] = "BUSY",
+ [-LIBUSB_ERROR_TIMEOUT] = "TIMEOUT",
+ [-LIBUSB_ERROR_OVERFLOW] = "OVERFLOW",
+ [-LIBUSB_ERROR_PIPE] = "PIPE",
+ [-LIBUSB_ERROR_INTERRUPTED] = "INTERRUPTED",
+ [-LIBUSB_ERROR_NO_MEM] = "NO_MEM",
+ [-LIBUSB_ERROR_NOT_SUPPORTED] = "NOT_SUPPORTED",
+ [-LIBUSB_ERROR_OTHER] = "OTHER",
+};
+
+static libusb_context *ctx;
+static uint32_t loglevel;
+
+static void usb_host_handle_fd(void *opaque)
+{
+ struct timeval tv = { 0, 0 };
+ libusb_handle_events_timeout(ctx, &tv);
+}
+
+static void usb_host_add_fd(int fd, short events, void *user_data)
+{
+/*
+ qemu_set_fd_handler(fd,
+ (events & POLLIN) ? usb_host_handle_fd : NULL,
+ (events & POLLOUT) ? usb_host_handle_fd : NULL,
+ ctx);
+*/
+}
+
+static void usb_host_del_fd(int fd, void *user_data)
+{
+/*
+ qemu_set_fd_handler(fd, NULL, NULL, NULL);
+*/
+}
+
+static int usb_host_init(void)
+{
+ const struct libusb_pollfd **poll;
+ int i, rc;
+
+ if (ctx) {
+ return 0;
+ }
+ rc = libusb_init(&ctx);
+ if (rc != 0) {
+ return -1;
+ }
+ libusb_set_debug(ctx, loglevel);
+
+ libusb_set_pollfd_notifiers(ctx, usb_host_add_fd,
+ usb_host_del_fd,
+ ctx);
+ poll = libusb_get_pollfds(ctx);
+ if (poll) {
+ for (i = 0; poll[i] != NULL; i++) {
+ usb_host_add_fd(poll[i]->fd, poll[i]->events, ctx);
+ }
+ }
+ free(poll);
+ return 0;
+}
+
+static int usb_host_get_port(libusb_device *dev, char *port, size_t len)
+{
+ uint8_t path[7];
+ size_t off;
+ int rc, i;
+
+//#if LIBUSBX_API_VERSION >= 0x01000102
+ rc = libusb_get_port_numbers(dev, path, 7);
+//#else
+// rc = libusb_get_port_path(ctx, dev, path, 7);
+//#endif
+ if (rc < 0) {
+ return 0;
+ }
+ off = snprintf(port, len, "%d", path[0]);
+ for (i = 1; i < rc; i++) {
+ off += snprintf(port+off, len-off, ".%d", path[i]);
+ }
+ return off;
+}
+
+static void usb_host_libusb_error(const char *func, int rc)
+{
+ const char *errname;
+
+ if (rc >= 0) {
+ return;
+ }
+
+ if (-rc < ARRAY_SIZE(err_names) && err_names[-rc]) {
+ errname = err_names[-rc];
+ } else {
+ errname = "?";
+ }
+ fprintf(stderr, "%s: %d [%s]\n", func, rc, errname);
+}
+
+/* ------------------------------------------------------------------------ */
+
+static bool usb_host_use_combining(USBEndpoint *ep)
+{
+ int type;
+
+ if (!ep->pipeline) {
+ return false;
+ }
+ if (ep->pid != USB_TOKEN_IN) {
+ return false;
+ }
+ type = usb_ep_get_type(ep->dev, ep->pid, ep->nr);
+ if (type != USB_ENDPOINT_XFER_BULK) {
+ return false;
+ }
+ return true;
+}
+
+/* ------------------------------------------------------------------------ */
+
+static USBHostRequest *usb_host_req_alloc(USBHostDevice *s, USBPacket *p,
+ bool in, size_t bufsize)
+{
+ USBHostRequest *r = (USBHostRequest *)calloc(1, sizeof(*r));
+
+ r->host = s;
+ r->p = p;
+ r->in = in;
+ r->xfer = libusb_alloc_transfer(0);
+ if (bufsize) {
+ r->buffer = malloc(bufsize);
+ }
+ QTAILQ_INSERT_TAIL(&s->requests, r, next);
+ return r;
+}
+
+static void usb_host_req_free(USBHostRequest *r)
+{
+ if (r->host) {
+ QTAILQ_REMOVE(&r->host->requests, r, next);
+ }
+ libusb_free_transfer(r->xfer);
+ free(r->buffer);
+ free(r);
+}
+
+static USBHostRequest *usb_host_req_find(USBHostDevice *s, USBPacket *p)
+{
+ USBHostRequest *r;
+
+ QTAILQ_FOREACH(r, &s->requests, next) {
+ if (r->p == p) {
+ return r;
+ }
+ }
+ return NULL;
+}
+
+static void usb_host_req_complete_ctrl(struct libusb_transfer *xfer)
+{
+ USBHostRequest *r = xfer->user_data;
+ USBHostDevice *s = r->host;
+ bool disconnect = (xfer->status == LIBUSB_TRANSFER_NO_DEVICE);
+
+ if (r->p == NULL) {
+ goto out; /* request was canceled */
+ }
+
+ r->p->status = status_map[xfer->status];
+ r->p->actual_length = xfer->actual_length;
+ if (r->in && xfer->actual_length) {
+ memcpy(r->cbuf, r->buffer + 8, xfer->actual_length);
+ }
+ trace_usb_host_req_complete(s->bus_num, s->addr, r->p,
+ r->p->status, r->p->actual_length);
+ usb_generic_async_ctrl_complete(USB_DEVICE(s), r->p);
+
+out:
+ usb_host_req_free(r);
+ if (disconnect) {
+ usb_host_nodev(s);
+ }
+}
+
+static void usb_host_req_complete_data(struct libusb_transfer *xfer)
+{
+ USBHostRequest *r = xfer->user_data;
+ USBHostDevice *s = r->host;
+ bool disconnect = (xfer->status == LIBUSB_TRANSFER_NO_DEVICE);
+
+ if (r->p == NULL) {
+ goto out; /* request was canceled */
+ }
+
+ r->p->status = status_map[xfer->status];
+ if (r->in && xfer->actual_length) {
+ usb_packet_copy(r->p, r->buffer, xfer->actual_length);
+ }
+ trace_usb_host_req_complete(s->bus_num, s->addr, r->p,
+ r->p->status, r->p->actual_length);
+ if (usb_host_use_combining(r->p->ep)) {
+ usb_combined_input_packet_complete(USB_DEVICE(s), r->p);
+ } else {
+ usb_packet_complete(USB_DEVICE(s), r->p);
+ }
+
+out:
+ usb_host_req_free(r);
+ if (disconnect) {
+ usb_host_nodev(s);
+ }
+}
+
+static void usb_host_req_abort(USBHostRequest *r)
+{
+ USBHostDevice *s = r->host;
+ bool inflight = (r->p && r->p->state == USB_PACKET_ASYNC);
+
+ if (inflight) {
+ r->p->status = USB_RET_NODEV;
+ trace_usb_host_req_complete(s->bus_num, s->addr, r->p,
+ r->p->status, r->p->actual_length);
+ if (r->p->ep->nr == 0) {
+ usb_generic_async_ctrl_complete(USB_DEVICE(s), r->p);
+ } else {
+ usb_packet_complete(USB_DEVICE(s), r->p);
+ }
+ r->p = NULL;
+ }
+
+ QTAILQ_REMOVE(&r->host->requests, r, next);
+ r->host = NULL;
+
+ if (inflight) {
+ libusb_cancel_transfer(r->xfer);
+ }
+}
+
+/* ------------------------------------------------------------------------ */
+
+static void usb_host_req_complete_iso(struct libusb_transfer *transfer)
+{
+ USBHostIsoXfer *xfer = transfer->user_data;
+
+ if (!xfer) {
+ /* USBHostIsoXfer released while inflight */
+ free(transfer->buffer);
+ libusb_free_transfer(transfer);
+ return;
+ }
+
+ QTAILQ_REMOVE(&xfer->ring->inflight, xfer, next);
+ if (QTAILQ_EMPTY(&xfer->ring->inflight)) {
+// USBHostDevice *s = xfer->ring->host;
+ trace_usb_host_iso_stop(s->bus_num, s->addr, xfer->ring->ep->nr);
+ }
+ if (xfer->ring->ep->pid == USB_TOKEN_IN) {
+ QTAILQ_INSERT_TAIL(&xfer->ring->copy, xfer, next);
+ } else {
+ QTAILQ_INSERT_TAIL(&xfer->ring->unused, xfer, next);
+ }
+}
+
+static USBHostIsoRing *usb_host_iso_alloc(USBHostDevice *s, USBEndpoint *ep)
+{
+ USBHostIsoRing *ring = (USBHostIsoRing *)calloc(1, sizeof(*ring));
+ USBHostIsoXfer *xfer;
+ /* FIXME: check interval (for now assume one xfer per frame) */
+ int packets = s->iso_urb_frames;
+ int i;
+
+ ring->host = s;
+ ring->ep = ep;
+ QTAILQ_INIT(&ring->unused);
+ QTAILQ_INIT(&ring->inflight);
+ QTAILQ_INIT(&ring->copy);
+ QTAILQ_INSERT_TAIL(&s->isorings, ring, next);
+
+ for (i = 0; i < s->iso_urb_count; i++) {
+ xfer = calloc(1, sizeof(*xfer));
+ xfer->ring = ring;
+ xfer->xfer = libusb_alloc_transfer(packets);
+ xfer->xfer->dev_handle = s->dh;
+ xfer->xfer->type = LIBUSB_TRANSFER_TYPE_ISOCHRONOUS;
+
+ xfer->xfer->endpoint = ring->ep->nr;
+ if (ring->ep->pid == USB_TOKEN_IN) {
+ xfer->xfer->endpoint |= USB_DIR_IN;
+ }
+ xfer->xfer->callback = usb_host_req_complete_iso;
+ xfer->xfer->user_data = xfer;
+
+ xfer->xfer->num_iso_packets = packets;
+ xfer->xfer->length = ring->ep->max_packet_size * packets;
+ xfer->xfer->buffer = calloc(1, xfer->xfer->length);
+
+ QTAILQ_INSERT_TAIL(&ring->unused, xfer, next);
+ }
+
+ return ring;
+}
+
+static USBHostIsoRing *usb_host_iso_find(USBHostDevice *s, USBEndpoint *ep)
+{
+ USBHostIsoRing *ring;
+
+ QTAILQ_FOREACH(ring, &s->isorings, next) {
+ if (ring->ep == ep) {
+ return ring;
+ }
+ }
+ return NULL;
+}
+
+static void usb_host_iso_reset_xfer(USBHostIsoXfer *xfer)
+{
+ libusb_set_iso_packet_lengths(xfer->xfer,
+ xfer->ring->ep->max_packet_size);
+ xfer->packet = 0;
+ xfer->copy_complete = false;
+}
+
+static void usb_host_iso_free_xfer(USBHostIsoXfer *xfer, bool inflight)
+{
+ if (inflight) {
+ xfer->xfer->user_data = NULL;
+ } else {
+ free(xfer->xfer->buffer);
+ libusb_free_transfer(xfer->xfer);
+ }
+ free(xfer);
+}
+
+static void usb_host_iso_free(USBHostIsoRing *ring)
+{
+ USBHostIsoXfer *xfer;
+
+ while ((xfer = QTAILQ_FIRST(&ring->inflight)) != NULL) {
+ QTAILQ_REMOVE(&ring->inflight, xfer, next);
+ usb_host_iso_free_xfer(xfer, true);
+ }
+ while ((xfer = QTAILQ_FIRST(&ring->unused)) != NULL) {
+ QTAILQ_REMOVE(&ring->unused, xfer, next);
+ usb_host_iso_free_xfer(xfer, false);
+ }
+ while ((xfer = QTAILQ_FIRST(&ring->copy)) != NULL) {
+ QTAILQ_REMOVE(&ring->copy, xfer, next);
+ usb_host_iso_free_xfer(xfer, false);
+ }
+
+ QTAILQ_REMOVE(&ring->host->isorings, ring, next);
+ free(ring);
+}
+
+static void usb_host_iso_free_all(USBHostDevice *s)
+{
+ USBHostIsoRing *ring;
+
+ while ((ring = QTAILQ_FIRST(&s->isorings)) != NULL) {
+ usb_host_iso_free(ring);
+ }
+}
+
+static bool usb_host_iso_data_copy(USBHostIsoXfer *xfer, USBPacket *p)
+{
+ unsigned int psize;
+ unsigned char *buf;
+
+ buf = libusb_get_iso_packet_buffer_simple(xfer->xfer, xfer->packet);
+ if (p->pid == USB_TOKEN_OUT) {
+ psize = p->iov.size;
+ if (psize > xfer->ring->ep->max_packet_size) {
+ /* should not happen (guest bug) */
+ psize = xfer->ring->ep->max_packet_size;
+ }
+ xfer->xfer->iso_packet_desc[xfer->packet].length = psize;
+ } else {
+ psize = xfer->xfer->iso_packet_desc[xfer->packet].actual_length;
+ if (psize > p->iov.size) {
+ /* should not happen (guest bug) */
+ psize = p->iov.size;
+ }
+ }
+ usb_packet_copy(p, buf, psize);
+ xfer->packet++;
+ xfer->copy_complete = (xfer->packet == xfer->xfer->num_iso_packets);
+ return xfer->copy_complete;
+}
+
+static void usb_host_iso_data_in(USBHostDevice *s, USBPacket *p)
+{
+ USBHostIsoRing *ring;
+ USBHostIsoXfer *xfer;
+ bool disconnect = false;
+ int rc;
+
+ ring = usb_host_iso_find(s, p->ep);
+ if (ring == NULL) {
+ ring = usb_host_iso_alloc(s, p->ep);
+ }
+
+ /* copy data to guest */
+ xfer = QTAILQ_FIRST(&ring->copy);
+ if (xfer != NULL) {
+ if (usb_host_iso_data_copy(xfer, p)) {
+ QTAILQ_REMOVE(&ring->copy, xfer, next);
+ QTAILQ_INSERT_TAIL(&ring->unused, xfer, next);
+ }
+ }
+
+ /* submit empty bufs to host */
+ while ((xfer = QTAILQ_FIRST(&ring->unused)) != NULL) {
+ QTAILQ_REMOVE(&ring->unused, xfer, next);
+ usb_host_iso_reset_xfer(xfer);
+ rc = libusb_submit_transfer(xfer->xfer);
+ if (rc != 0) {
+ usb_host_libusb_error("libusb_submit_transfer [iso]", rc);
+ QTAILQ_INSERT_TAIL(&ring->unused, xfer, next);
+ if (rc == LIBUSB_ERROR_NO_DEVICE) {
+ disconnect = true;
+ }
+ break;
+ }
+ if (QTAILQ_EMPTY(&ring->inflight)) {
+ trace_usb_host_iso_start(s->bus_num, s->addr, p->ep->nr);
+ }
+ QTAILQ_INSERT_TAIL(&ring->inflight, xfer, next);
+ }
+
+ if (disconnect) {
+ usb_host_nodev(s);
+ }
+}
+
+static void usb_host_iso_data_out(USBHostDevice *s, USBPacket *p)
+{
+ USBHostIsoRing *ring;
+ USBHostIsoXfer *xfer;
+ bool disconnect = false;
+ int rc, filled = 0;
+
+ ring = usb_host_iso_find(s, p->ep);
+ if (ring == NULL) {
+ ring = usb_host_iso_alloc(s, p->ep);
+ }
+
+ /* copy data from guest */
+ xfer = QTAILQ_FIRST(&ring->copy);
+ while (xfer != NULL && xfer->copy_complete) {
+ filled++;
+ xfer = QTAILQ_NEXT(xfer, next);
+ }
+ if (xfer == NULL) {
+ xfer = QTAILQ_FIRST(&ring->unused);
+ if (xfer == NULL) {
+ trace_usb_host_iso_out_of_bufs(s->bus_num, s->addr, p->ep->nr);
+ return;
+ }
+ QTAILQ_REMOVE(&ring->unused, xfer, next);
+ usb_host_iso_reset_xfer(xfer);
+ QTAILQ_INSERT_TAIL(&ring->copy, xfer, next);
+ }
+ usb_host_iso_data_copy(xfer, p);
+
+ if (QTAILQ_EMPTY(&ring->inflight)) {
+ /* wait until half of our buffers are filled
+ before kicking the iso out stream */
+ if (filled*2 < s->iso_urb_count) {
+ return;
+ }
+ }
+
+ /* submit filled bufs to host */
+ while ((xfer = QTAILQ_FIRST(&ring->copy)) != NULL &&
+ xfer->copy_complete) {
+ QTAILQ_REMOVE(&ring->copy, xfer, next);
+ rc = libusb_submit_transfer(xfer->xfer);
+ if (rc != 0) {
+ usb_host_libusb_error("libusb_submit_transfer [iso]", rc);
+ QTAILQ_INSERT_TAIL(&ring->unused, xfer, next);
+ if (rc == LIBUSB_ERROR_NO_DEVICE) {
+ disconnect = true;
+ }
+ break;
+ }
+ if (QTAILQ_EMPTY(&ring->inflight)) {
+ trace_usb_host_iso_start(s->bus_num, s->addr, p->ep->nr);
+ }
+ QTAILQ_INSERT_TAIL(&ring->inflight, xfer, next);
+ }
+
+ if (disconnect) {
+ usb_host_nodev(s);
+ }
+}
+
+/* ------------------------------------------------------------------------ */
+
+static bool usb_host_full_speed_compat(USBHostDevice *s)
+{
+ struct libusb_config_descriptor *conf;
+ const struct libusb_interface_descriptor *intf;
+ const struct libusb_endpoint_descriptor *endp;
+ uint8_t type;
+ int rc, c, i, a, e;
+
+ for (c = 0;; c++) {
+ rc = libusb_get_config_descriptor(s->dev, c, &conf);
+ if (rc != 0) {
+ break;
+ }
+ for (i = 0; i < conf->bNumInterfaces; i++) {
+ for (a = 0; a < conf->interface[i].num_altsetting; a++) {
+ intf = &conf->interface[i].altsetting[a];
+ for (e = 0; e < intf->bNumEndpoints; e++) {
+ endp = &intf->endpoint[e];
+ type = endp->bmAttributes & 0x3;
+ switch (type) {
+ case 0x01: /* ISO */
+ return false;
+ case 0x03: /* INTERRUPT */
+ if (endp->wMaxPacketSize > 64) {
+ return false;
+ }
+ break;
+ }
+ }
+ }
+ }
+ libusb_free_config_descriptor(conf);
+ }
+ return true;
+}
+
+static void usb_host_ep_update(USBHostDevice *s)
+{
+#if 0
+ static const char *tname[] = {
+ [USB_ENDPOINT_XFER_CONTROL] = "control",
+ [USB_ENDPOINT_XFER_ISOC] = "isoc",
+ [USB_ENDPOINT_XFER_BULK] = "bulk",
+ [USB_ENDPOINT_XFER_INT] = "int",
+ };
+#endif
+ USBDevice *udev = USB_DEVICE(s);
+ struct libusb_config_descriptor *conf;
+ const struct libusb_interface_descriptor *intf;
+ const struct libusb_endpoint_descriptor *endp;
+ uint8_t devep, type;
+ int pid, ep;
+ int rc, i, e;
+
+ usb_ep_reset(udev);
+ rc = libusb_get_active_config_descriptor(s->dev, &conf);
+ if (rc != 0) {
+ return;
+ }
+ trace_usb_host_parse_config(s->bus_num, s->addr,
+ conf->bConfigurationValue, true);
+
+ for (i = 0; i < conf->bNumInterfaces; i++) {
+ assert(udev->altsetting[i] < conf->interface[i].num_altsetting);
+ intf = &conf->interface[i].altsetting[udev->altsetting[i]];
+ trace_usb_host_parse_interface(s->bus_num, s->addr,
+ intf->bInterfaceNumber,
+ intf->bAlternateSetting, true);
+ for (e = 0; e < intf->bNumEndpoints; e++) {
+ endp = &intf->endpoint[e];
+
+ devep = endp->bEndpointAddress;
+ pid = (devep & USB_DIR_IN) ? USB_TOKEN_IN : USB_TOKEN_OUT;
+ ep = devep & 0xf;
+ type = endp->bmAttributes & 0x3;
+
+ if (ep == 0) {
+ trace_usb_host_parse_error(s->bus_num, s->addr,
+ "invalid endpoint address");
+ return;
+ }
+ if (usb_ep_get_type(udev, pid, ep) != USB_ENDPOINT_XFER_INVALID) {
+ trace_usb_host_parse_error(s->bus_num, s->addr,
+ "duplicate endpoint address");
+ return;
+ }
+
+ trace_usb_host_parse_endpoint(s->bus_num, s->addr, ep,
+ (devep & USB_DIR_IN) ? "in" : "out",
+ tname[type], true);
+ usb_ep_set_max_packet_size(udev, pid, ep,
+ endp->wMaxPacketSize);
+ usb_ep_set_type(udev, pid, ep, type);
+ usb_ep_set_ifnum(udev, pid, ep, i);
+ usb_ep_set_halted(udev, pid, ep, 0);
+ }
+ }
+
+ libusb_free_config_descriptor(conf);
+}
+
+static int usb_host_open(USBHostDevice *s, libusb_device *dev)
+{
+ USBDevice *udev = USB_DEVICE(s);
+ int bus_num = libusb_get_bus_number(dev);
+ int addr = libusb_get_device_address(dev);
+ int rc;
+
+ trace_usb_host_open_started(bus_num, addr);
+
+ if (s->dh != NULL) {
+ goto fail;
+ }
+ rc = libusb_open(dev, &s->dh);
+ if (rc != 0) {
+ goto fail;
+ }
+
+ libusb_get_device_descriptor(dev, &s->ddesc);
+ s->dev = dev;
+ s->bus_num = bus_num;
+ s->addr = addr;
+ usb_host_get_port(s->dev, s->port, sizeof(s->port));
+
+ usb_ep_init(udev);
+ usb_host_ep_update(s);
+
+ udev->speed = speed_map[libusb_get_device_speed(dev)];
+ udev->speedmask = (1 << udev->speed);
+ if (udev->speed == USB_SPEED_HIGH && usb_host_full_speed_compat(s)) {
+ udev->speedmask |= USB_SPEED_MASK_FULL;
+ }
+
+ if (s->ddesc.iProduct) {
+ libusb_get_string_descriptor_ascii(s->dh, s->ddesc.iProduct,
+ (unsigned char *)udev->product_desc,
+ sizeof(udev->product_desc));
+ } else {
+ snprintf(udev->product_desc, sizeof(udev->product_desc),
+ "host:%d.%d", bus_num, addr);
+ }
+
+ rc = usb_device_attach(udev);
+ if (rc) {
+ goto fail;
+ }
+
+ trace_usb_host_open_success(bus_num, addr);
+ return 0;
+
+fail:
+ trace_usb_host_open_failure(bus_num, addr);
+ if (s->dh != NULL) {
+ libusb_close(s->dh);
+ s->dh = NULL;
+ s->dev = NULL;
+ }
+ return -1;
+}
+
+static void usb_host_abort_xfers(USBHostDevice *s)
+{
+ USBHostRequest *r, *rtmp;
+
+ QTAILQ_FOREACH_SAFE(r, &s->requests, next, rtmp) {
+ usb_host_req_abort(r);
+ }
+}
+
+static int usb_host_close(USBHostDevice *s)
+{
+ USBDevice *udev = USB_DEVICE(s);
+
+ if (s->dh == NULL) {
+ return -1;
+ }
+
+ trace_usb_host_close(s->bus_num, s->addr);
+
+ usb_host_abort_xfers(s);
+ usb_host_iso_free_all(s);
+
+ if (udev->attached) {
+ usb_device_detach(udev);
+ }
+
+ usb_host_release_interfaces(s);
+ libusb_reset_device(s->dh);
+ usb_host_attach_kernel(s);
+ libusb_close(s->dh);
+ s->dh = NULL;
+ s->dev = NULL;
+
+ usb_host_auto_check(NULL);
+ return 0;
+}
+
+static void usb_host_nodev_bh(void *opaque)
+{
+ USBHostDevice *s = opaque;
+ usb_host_close(s);
+}
+
+static void usb_host_nodev(USBHostDevice *s)
+{
+/*
+ if (!s->bh_nodev) {
+ s->bh_nodev = qemu_bh_new(usb_host_nodev_bh, s);
+ }
+ qemu_bh_schedule(s->bh_nodev);
+*/
+}
+
+/*
+static void usb_host_exit_notifier(struct Notifier *n, void *data)
+{
+ USBHostDevice *s = container_of(n, USBHostDevice, exit);
+
+ if (s->dh) {
+ usb_host_release_interfaces(s);
+ usb_host_attach_kernel(s);
+ }
+}
+*/
+
+static int usb_host_initfn(USBDevice *udev)
+{
+ USBHostDevice *s = USB_HOST_DEVICE(udev);
+
+ loglevel = s->loglevel;
+ udev->flags |= (1 << USB_DEV_FLAG_IS_HOST);
+ udev->auto_attach = 0;
+ QTAILQ_INIT(&s->requests);
+ QTAILQ_INIT(&s->isorings);
+
+/*
+ s->exit.notify = usb_host_exit_notifier;
+ qemu_add_exit_notifier(&s->exit);
+*/
+
+ QTAILQ_INSERT_TAIL(&hostdevs, s, next);
+// add_boot_device_path(s->bootindex, &udev->qdev, NULL);
+ usb_host_auto_check(NULL);
+ return 0;
+}
+
+static void usb_host_handle_destroy(USBDevice *udev)
+{
+ USBHostDevice *s = USB_HOST_DEVICE(udev);
+
+// qemu_remove_exit_notifier(&s->exit);
+ QTAILQ_REMOVE(&hostdevs, s, next);
+ usb_host_close(s);
+}
+
+static void usb_host_cancel_packet(USBDevice *udev, USBPacket *p)
+{
+ USBHostDevice *s = USB_HOST_DEVICE(udev);
+ USBHostRequest *r;
+
+ if (p->combined) {
+ usb_combined_packet_cancel(udev, p);
+ return;
+ }
+
+ trace_usb_host_req_canceled(s->bus_num, s->addr, p);
*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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