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-rwxr-xr-xconfigure36
-rw-r--r--hw/usb/dev-serial.c9
-rw-r--r--hw/usb/hcd-xhci.c79
-rw-r--r--hw/usb/host-libusb.c1449
-rw-r--r--hw/usb/host-linux.c14
-rw-r--r--trace-events5
6 files changed, 1551 insertions, 41 deletions
diff --git a/configure b/configure
index 0788e27..4c4f6f6 100755
--- a/configure
+++ b/configure
@@ -226,6 +226,7 @@ trace_file="trace"
spice=""
rbd=""
smartcard_nss=""
+libusb=""
usb_redir=""
glx=""
zlib="yes"
@@ -890,6 +891,10 @@ for opt do
;;
--enable-smartcard-nss) smartcard_nss="yes"
;;
+ --disable-libusb) libusb="no"
+ ;;
+ --enable-libusb) libusb="yes"
+ ;;
--disable-usb-redir) usb_redir="no"
;;
--enable-usb-redir) usb_redir="yes"
@@ -1175,6 +1180,8 @@ echo " --disable-libiscsi disable iscsi support"
echo " --enable-libiscsi enable iscsi support"
echo " --disable-smartcard-nss disable smartcard nss support"
echo " --enable-smartcard-nss enable smartcard nss support"
+echo " --disable-libusb disable libusb (for usb passthrough)"
+echo " --enable-libusb enable libusb (for usb passthrough)"
echo " --disable-usb-redir disable usb network redirection support"
echo " --enable-usb-redir enable usb network redirection support"
echo " --disable-guest-agent disable building of the QEMU Guest Agent"
@@ -3005,6 +3012,23 @@ EOF
fi
fi
+# check for libusb
+if test "$libusb" != "no" ; then
+ if $pkg_config libusb-1.0 >/dev/null 2>&1 ; then
+ libusb="yes"
+ usb="libusb"
+ libusb_cflags=$($pkg_config --cflags libusb-1.0 2>/dev/null)
+ libusb_libs=$($pkg_config --libs libusb-1.0 2>/dev/null)
+ QEMU_CFLAGS="$QEMU_CFLAGS $libusb_cflags"
+ libs_softmmu="$libs_softmmu $libusb_libs"
+ else
+ if test "$libusb" = "yes"; then
+ feature_not_found "libusb"
+ fi
+ libusb="no"
+ fi
+fi
+
# check for usbredirparser for usb network redirection support
if test "$usb_redir" != "no" ; then
if $pkg_config --atleast-version=0.6 libusbredirparser-0.5 >/dev/null 2>&1 ; then
@@ -3516,6 +3540,7 @@ echo "spice support $spice ($spice_protocol_version/$spice_server_version)"
echo "rbd support $rbd"
echo "xfsctl support $xfs"
echo "nss used $smartcard_nss"
+echo "libusb $libusb"
echo "usb net redir $usb_redir"
echo "GLX support $glx"
echo "libiscsi support $libiscsi"
@@ -3823,6 +3848,10 @@ if test "$smartcard_nss" = "yes" ; then
echo "libcacard_cflags=$libcacard_cflags" >> $config_host_mak
fi
+if test "$libusb" = "yes" ; then
+ echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
+fi
+
if test "$usb_redir" = "yes" ; then
echo "CONFIG_USB_REDIR=y" >> $config_host_mak
fi
@@ -3907,6 +3936,13 @@ linux)
bsd)
echo "HOST_USB=bsd" >> $config_host_mak
;;
+libusb)
+ if test "$linux" = "yes"; then
+ echo "HOST_USB=libusb linux legacy" >> $config_host_mak
+ else
+ echo "HOST_USB=libusb legacy" >> $config_host_mak
+ fi
+;;
*)
echo "HOST_USB=stub" >> $config_host_mak
;;
diff --git a/hw/usb/dev-serial.c b/hw/usb/dev-serial.c
index dd0a608..2fc8a3b 100644
--- a/hw/usb/dev-serial.c
+++ b/hw/usb/dev-serial.c
@@ -410,13 +410,6 @@ static void usb_serial_handle_data(USBDevice *dev, USBPacket *p)
}
}
-static void usb_serial_handle_destroy(USBDevice *dev)
-{
- USBSerialState *s = (USBSerialState *)dev;
-
- qemu_chr_add_handlers(s->cs, NULL, NULL, NULL, NULL);
-}
-
static int usb_serial_can_read(void *opaque)
{
USBSerialState *s = opaque;
@@ -595,7 +588,6 @@ static void usb_serial_class_initfn(ObjectClass *klass, void *data)
uc->handle_reset = usb_serial_handle_reset;
uc->handle_control = usb_serial_handle_control;
uc->handle_data = usb_serial_handle_data;
- uc->handle_destroy = usb_serial_handle_destroy;
dc->vmsd = &vmstate_usb_serial;
dc->props = serial_properties;
}
@@ -623,7 +615,6 @@ static void usb_braille_class_initfn(ObjectClass *klass, void *data)
uc->handle_reset = usb_serial_handle_reset;
uc->handle_control = usb_serial_handle_control;
uc->handle_data = usb_serial_handle_data;
- uc->handle_destroy = usb_serial_handle_destroy;
dc->vmsd = &vmstate_usb_serial;
dc->props = braille_properties;
}
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index efd4b0d..a26b78e 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -408,7 +408,6 @@ typedef struct XHCISlot {
bool enabled;
dma_addr_t ctx;
USBPort *uport;
- unsigned int devaddr;
XHCIEPContext * eps[31];
} XHCISlot;
@@ -452,7 +451,6 @@ struct XHCIState {
MemoryRegion mem_oper;
MemoryRegion mem_runtime;
MemoryRegion mem_doorbell;
- unsigned int devaddr;
/* properties */
uint32_t numports_2;
@@ -2141,16 +2139,18 @@ static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid,
slot_ctx[3] = SLOT_DEFAULT << SLOT_STATE_SHIFT;
} else {
USBPacket p;
- slot->devaddr = xhci->devaddr++;
- slot_ctx[3] = (SLOT_ADDRESSED << SLOT_STATE_SHIFT) | slot->devaddr;
- DPRINTF("xhci: device address is %d\n", slot->devaddr);
+ uint8_t buf[1];
+
+ slot_ctx[3] = (SLOT_ADDRESSED << SLOT_STATE_SHIFT) | slotid;
usb_device_reset(dev);
+ memset(&p, 0, sizeof(p));
+ usb_packet_addbuf(&p, buf, sizeof(buf));
usb_packet_setup(&p, USB_TOKEN_OUT,
usb_ep_get(dev, USB_TOKEN_OUT, 0), 0,
0, false, false);
usb_device_handle_control(dev, &p,
DeviceOutRequest | USB_REQ_SET_ADDRESS,
- slot->devaddr, 0, 0, NULL);
+ slotid, 0, 0, NULL);
assert(p.status != USB_RET_ASYNC);
}
@@ -2526,7 +2526,6 @@ static void xhci_process_commands(XHCIState *xhci)
}
break;
case CR_SET_TR_DEQUEUE:
- fprintf(stderr, "%s: CR_SET_TR_DEQUEUE\n", __func__);
slotid = xhci_get_slot(xhci, &event, &trb);
if (slotid) {
unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT)
@@ -2593,6 +2592,7 @@ static void xhci_port_notify(XHCIPort *port, uint32_t bits)
if ((port->portsc & bits) == bits) {
return;
}
+ trace_usb_xhci_port_notify(port->portnr, bits);
port->portsc |= bits;
if (!xhci_running(port->xhci)) {
return;
@@ -2674,7 +2674,6 @@ static void xhci_reset(DeviceState *dev)
xhci->dcbaap_low = 0;
xhci->dcbaap_high = 0;
xhci->config = 0;
- xhci->devaddr = 2;
for (i = 0; i < xhci->numslots; i++) {
xhci_disable_slot(xhci, i+1);
@@ -2799,29 +2798,56 @@ static void xhci_port_write(void *ptr, hwaddr reg,
uint64_t val, unsigned size)
{
XHCIPort *port = ptr;
- uint32_t portsc;
+ uint32_t portsc, notify;
trace_usb_xhci_port_write(port->portnr, reg, val);
switch (reg) {
case 0x00: /* PORTSC */
+ /* write-1-to-start bits */
+ if (val & PORTSC_PR) {
+ xhci_port_reset(port);
+ break;
+ }
+
portsc = port->portsc;
+ notify = 0;
/* write-1-to-clear bits*/
portsc &= ~(val & (PORTSC_CSC|PORTSC_PEC|PORTSC_WRC|PORTSC_OCC|
PORTSC_PRC|PORTSC_PLC|PORTSC_CEC));
if (val & PORTSC_LWS) {
/* overwrite PLS only when LWS=1 */
- uint32_t pls = get_field(val, PORTSC_PLS);
- set_field(&portsc, pls, PORTSC_PLS);
- trace_usb_xhci_port_link(port->portnr, pls);
+ uint32_t old_pls = get_field(port->portsc, PORTSC_PLS);
+ uint32_t new_pls = get_field(val, PORTSC_PLS);
+ switch (new_pls) {
+ case PLS_U0:
+ if (old_pls != PLS_U0) {
+ set_field(&portsc, new_pls, PORTSC_PLS);
+ trace_usb_xhci_port_link(port->portnr, new_pls);
+ notify = PORTSC_PLC;
+ }
+ break;
+ case PLS_U3:
+ if (old_pls < PLS_U3) {
+ set_field(&portsc, new_pls, PORTSC_PLS);
+ trace_usb_xhci_port_link(port->portnr, new_pls);
+ }
+ break;
+ case PLS_RESUME:
+ /* windows does this for some reason, don't spam stderr */
+ break;
+ default:
+ fprintf(stderr, "%s: ignore pls write (old %d, new %d)\n",
+ __func__, old_pls, new_pls);
+ break;
+ }
}
/* read/write bits */
portsc &= ~(PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE);
portsc |= (val & (PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE));
port->portsc = portsc;
- /* write-1-to-start bits */
- if (val & PORTSC_PR) {
- xhci_port_reset(port);
+ if (notify) {
+ xhci_port_notify(port, notify);
}
break;
case 0x04: /* PORTPMSC */
@@ -3080,8 +3106,15 @@ static void xhci_doorbell_write(void *ptr, hwaddr reg,
}
}
+static void xhci_cap_write(void *opaque, hwaddr addr, uint64_t val,
+ unsigned width)
+{
+ /* nothing */
+}
+
static const MemoryRegionOps xhci_cap_ops = {
.read = xhci_cap_read,
+ .write = xhci_cap_write,
.valid.min_access_size = 1,
.valid.max_access_size = 4,
.impl.min_access_size = 4,
@@ -3178,20 +3211,6 @@ static USBPortOps xhci_uport_ops = {
.child_detach = xhci_child_detach,
};
-static int xhci_find_slotid(XHCIState *xhci, USBDevice *dev)
-{
- XHCISlot *slot;
- int slotid;
-
- for (slotid = 1; slotid <= xhci->numslots; slotid++) {
- slot = &xhci->slots[slotid-1];
- if (slot->devaddr == dev->addr) {
- return slotid;
- }
- }
- return 0;
-}
-
static int xhci_find_epid(USBEndpoint *ep)
{
if (ep->nr == 0) {
@@ -3211,7 +3230,7 @@ static void xhci_wakeup_endpoint(USBBus *bus, USBEndpoint *ep,
int slotid;
DPRINTF("%s\n", __func__);
- slotid = xhci_find_slotid(xhci, ep->dev);
+ slotid = ep->dev->addr;
if (slotid == 0 || !xhci->slots[slotid-1].enabled) {
DPRINTF("%s: oops, no slot for dev %d\n", __func__, ep->dev->addr);
return;
diff --git a/hw/usb/host-libusb.c b/hw/usb/host-libusb.c
new file mode 100644
index 0000000..29f35b3
--- /dev/null
+++ b/hw/usb/host-libusb.c
@@ -0,0 +1,1449 @@
+/*
+ * 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@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@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 "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"
+#define USB_HOST_DEVICE(obj) \
+ OBJECT_CHECK(USBHostDevice, (obj), TYPE_USB_HOST_DEVICE)
+
+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,
+};
+
+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;
+ 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 */
+
+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",
+};
+
+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)
+{
+#if defined(LIBUSBX_API_VERSION) && (LIBUSBX_API_VERSION >= 0x010000ff)
+ /* have libusb_get_port_path() */
+ uint8_t path[7];
+ size_t off;
+ int rc, i;
+
+ rc = libusb_get_port_path(ctx, dev, path, 7);
+ 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;
+#else
+ return snprintf(port, len, "FIXME");
+#endif
+}
+
+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 = g_new0(USBHostRequest, 1);
+
+ r->host = s;
+ r->p = p;
+ r->in = in;
+ r->xfer = libusb_alloc_transfer(0);
+ if (bufsize) {
+ r->buffer = g_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);
+ g_free(r->buffer);
+ g_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_RET_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 */
+ g_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 = g_new0(USBHostIsoRing, 1);
+ 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 = g_new0(USBHostIsoXfer, 1);
+ 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 = g_malloc0(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 {
+ g_free(xfer->xfer->buffer);
+ libusb_free_transfer(xfer->xfer);
+ }
+ g_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);
+ g_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 void usb_host_ep_update(USBHostDevice *s)
+{
+ static const char *tname[] = {
+ [USB_ENDPOINT_XFER_CONTROL] = "control",
+ [USB_ENDPOINT_XFER_ISOC] = "isoc",
+ [USB_ENDPOINT_XFER_BULK] = "bulk",
+ [USB_ENDPOINT_XFER_INT] = "int",
+ };
+ 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 0
+ if (udev->speed == USB_SPEED_HIGH && usb_linux_full_speed_compat(dev)) {
+ udev->speedmask |= USB_SPEED_MASK_FULL;
+ }
+#endif
+
+ 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) {
+ s->bh = qemu_bh_new(usb_host_nodev_bh, s);
+ }
+ qemu_bh_schedule(s->bh);
+}
+
+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->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);
+
+ r = usb_host_req_find(s, p);
+ if (r && r->p) {
+ r->p = NULL; /* mark as dead */
+ libusb_cancel_transfer(r->xfer);
+ }
+}
+
+static void usb_host_detach_kernel(USBHostDevice *s)
+{
+ struct libusb_config_descriptor *conf;
+ int rc, i;
+
+ rc = libusb_get_active_config_descriptor(s->dev, &conf);
+ if (rc != 0) {
+ return;
+ }
+ for (i = 0; i < conf->bNumInterfaces; i++) {
+ rc = libusb_kernel_driver_active(s->dh, i);
+ usb_host_libusb_error("libusb_kernel_driver_active", rc);
+ if (rc != 1) {
+ continue;
+ }
+ trace_usb_host_detach_kernel(s->bus_num, s->addr, i);
+ rc = libusb_detach_kernel_driver(s->dh, i);
+ usb_host_libusb_error("libusb_detach_kernel_driver", rc);
+ s->ifs[i].detached = true;
+ }
+ libusb_free_config_descriptor(conf);
+}
+
+static void usb_host_attach_kernel(USBHostDevice *s)
+{
+ struct libusb_config_descriptor *conf;
+ int rc, i;
+
+ rc = libusb_get_active_config_descriptor(s->dev, &conf);
+ if (rc != 0) {
+ return;
+ }
+ for (i = 0; i < conf->bNumInterfaces; i++) {
+ if (!s->ifs[i].detached) {
+ continue;
+ }
+ trace_usb_host_attach_kernel(s->bus_num, s->addr, i);
+ libusb_attach_kernel_driver(s->dh, i);
+ s->ifs[i].detached = false;
+ }
+ libusb_free_config_descriptor(conf);
+}
+
+static int usb_host_claim_interfaces(USBHostDevice *s, int configuration)
+{
+ USBDevice *udev = USB_DEVICE(s);
+ struct libusb_config_descriptor *conf;
+ int rc, i;
+
+ for (i = 0; i < USB_MAX_INTERFACES; i++) {
+ udev->altsetting[i] = 0;
+ }
+ udev->ninterfaces = 0;
+ udev->configuration = 0;
+
+ if (configuration == 0) {
+ /* address state - ignore */
+ return USB_RET_SUCCESS;
+ }
+
+ usb_host_detach_kernel(s);
+
+ rc = libusb_get_active_config_descriptor(s->dev, &conf);
+ if (rc != 0) {
+ return USB_RET_STALL;
+ }
+
+ for (i = 0; i < conf->bNumInterfaces; i++) {
+ trace_usb_host_claim_interface(s->bus_num, s->addr, configuration, i);
+ rc = libusb_claim_interface(s->dh, i);
+ usb_host_libusb_error("libusb_claim_interface", rc);
+ if (rc != 0) {
+ return USB_RET_STALL;
+ }
+ s->ifs[i].claimed = true;
+ }
+
+ udev->ninterfaces = conf->bNumInterfaces;
+ udev->configuration = configuration;
+
+ libusb_free_config_descriptor(conf);
+ return USB_RET_SUCCESS;
+}
+
+static void usb_host_release_interfaces(USBHostDevice *s)
+{
+ USBDevice *udev = USB_DEVICE(s);
+ int i, rc;
+
+ for (i = 0; i < udev->ninterfaces; i++) {
+ if (!s->ifs[i].claimed) {
+ continue;
+ }
+ trace_usb_host_release_interface(s->bus_num, s->addr, i);
+ rc = libusb_release_interface(s->dh, i);
+ usb_host_libusb_error("libusb_release_interface", rc);
+ s->ifs[i].claimed = false;
+ }
+}
+
+static void usb_host_set_address(USBHostDevice *s, int addr)
+{
+ USBDevice *udev = USB_DEVICE(s);
+
+ trace_usb_host_set_address(s->bus_num, s->addr, addr);
+ udev->addr = addr;
+}
+
+static void usb_host_set_config(USBHostDevice *s, int config, USBPacket *p)
+{
+ int rc;
+
+ trace_usb_host_set_config(s->bus_num, s->addr, config);
+
+ usb_host_release_interfaces(s);
+ usb_host_detach_kernel(s);
+ rc = libusb_set_configuration(s->dh, config);
+ if (rc != 0) {
+ usb_host_libusb_error("libusb_set_configuration", rc);
+ p->status = USB_RET_STALL;
+ if (rc == LIBUSB_ERROR_NO_DEVICE) {
+ usb_host_nodev(s);
+ }
+ return;
+ }
+ p->status = usb_host_claim_interfaces(s, config);
+ if (p->status != USB_RET_SUCCESS) {
+ return;
+ }
+ usb_host_ep_update(s);
+}
+
+static void usb_host_set_interface(USBHostDevice *s, int iface, int alt,
+ USBPacket *p)
+{
+ USBDevice *udev = USB_DEVICE(s);
+ int rc;
+
+ trace_usb_host_set_interface(s->bus_num, s->addr, iface, alt);
+
+ usb_host_iso_free_all(s);
+
+ if (iface >= USB_MAX_INTERFACES) {
+ p->status = USB_RET_STALL;
+ return;
+ }
+
+ rc = libusb_set_interface_alt_setting(s->dh, iface, alt);
+ if (rc != 0) {
+ usb_host_libusb_error("libusb_set_interface_alt_setting", rc);
+ p->status = USB_RET_STALL;
+ if (rc == LIBUSB_ERROR_NO_DEVICE) {
+ usb_host_nodev(s);
+ }
+ return;
+ }
+
+ udev->altsetting[iface] = alt;
+ usb_host_ep_update(s);
+}
+
+static void usb_host_handle_control(USBDevice *udev, USBPacket *p,
+ int request, int value, int index,
+ int length, uint8_t *data)
+{
+ USBHostDevice *s = USB_HOST_DEVICE(udev);
+ USBHostRequest *r;
+ int rc;
+
+ trace_usb_host_req_control(s->bus_num, s->addr, p, request, value, index);
+
+ if (s->dh == NULL) {
+ p->status = USB_RET_NODEV;
+ trace_usb_host_req_emulated(s->bus_num, s->addr, p, p->status);
+ return;
+ }
+
+ switch (request) {
+ case DeviceOutRequest | USB_REQ_SET_ADDRESS:
+ usb_host_set_address(s, value);
+ trace_usb_host_req_emulated(s->bus_num, s->addr, p, p->status);
+ return;
+
+ case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
+ usb_host_set_config(s, value & 0xff, p);
+ trace_usb_host_req_emulated(s->bus_num, s->addr, p, p->status);
+ return;
+
+ case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
+ usb_host_set_interface(s, index, value, p);
+ trace_usb_host_req_emulated(s->bus_num, s->addr, p, p->status);
+ return;
+
+ case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
+ if (value == 0) { /* clear halt */
+ int pid = (index & USB_DIR_IN) ? USB_TOKEN_IN : USB_TOKEN_OUT;
+ libusb_clear_halt(s->dh, index);
+ usb_ep_set_halted(udev, pid, index & 0x0f, 0);
+ trace_usb_host_req_emulated(s->bus_num, s->addr, p, p->status);
+ return;
+ }
+ }
+
+ r = usb_host_req_alloc(s, p, (request >> 8) & USB_DIR_IN, length + 8);
+ r->cbuf = data;
+ r->clen = length;
+ memcpy(r->buffer, udev->setup_buf, 8);
+ if (!r->in) {
+ memcpy(r->buffer + 8, r->cbuf, r->clen);
+ }
+
+ libusb_fill_control_transfer(r->xfer, s->dh, r->buffer,
+ usb_host_req_complete_ctrl, r,
+ CONTROL_TIMEOUT);
+ rc = libusb_submit_transfer(r->xfer);
+ if (rc != 0) {
+ p->status = USB_RET_NODEV;
+ trace_usb_host_req_complete(s->bus_num, s->addr, p,
+ p->status, p->actual_length);
+ if (rc == LIBUSB_ERROR_NO_DEVICE) {
+ usb_host_nodev(s);
+ }
+ return;
+ }
+
+ p->status = USB_RET_ASYNC;
+}
+
+static void usb_host_handle_data(USBDevice *udev, USBPacket *p)
+{
+ USBHostDevice *s = USB_HOST_DEVICE(udev);
+ USBHostRequest *r;
+ size_t size;
+ int ep, rc;
+
+ if (usb_host_use_combining(p->ep) && p->state == USB_PACKET_SETUP) {
+ p->status = USB_RET_ADD_TO_QUEUE;
+ return;
+ }
+
+ trace_usb_host_req_data(s->bus_num, s->addr, p,
+ p->pid == USB_TOKEN_IN,
+ p->ep->nr, p->iov.size);
+
+ if (s->dh == NULL) {
+ p->status = USB_RET_NODEV;
+ trace_usb_host_req_emulated(s->bus_num, s->addr, p, p->status);
+ return;
+ }
+ if (p->ep->halted) {
+ p->status = USB_RET_STALL;
+ trace_usb_host_req_emulated(s->bus_num, s->addr, p, p->status);
+ return;
+ }
+
+ switch (usb_ep_get_type(udev, p->pid, p->ep->nr)) {
+ case USB_ENDPOINT_XFER_BULK:
+ size = usb_packet_size(p);
+ r = usb_host_req_alloc(s, p, p->pid == USB_TOKEN_IN, size);
+ if (!r->in) {
+ usb_packet_copy(p, r->buffer, size);
+ }
+ ep = p->ep->nr | (r->in ? USB_DIR_IN : 0);
+ libusb_fill_bulk_transfer(r->xfer, s->dh, ep,
+ r->buffer, size,
+ usb_host_req_complete_data, r,
+ BULK_TIMEOUT);
+ break;
+ case USB_ENDPOINT_XFER_INT:
+ r = usb_host_req_alloc(s, p, p->pid == USB_TOKEN_IN, p->iov.size);
+ if (!r->in) {
+ usb_packet_copy(p, r->buffer, p->iov.size);
+ }
+ ep = p->ep->nr | (r->in ? USB_DIR_IN : 0);
+ libusb_fill_interrupt_transfer(r->xfer, s->dh, ep,
+ r->buffer, p->iov.size,
+ usb_host_req_complete_data, r,
+ INTR_TIMEOUT);
+ break;
+ case USB_ENDPOINT_XFER_ISOC:
+ if (p->pid == USB_TOKEN_IN) {
+ usb_host_iso_data_in(s, p);
+ } else {
+ usb_host_iso_data_out(s, p);
+ }
+ trace_usb_host_req_complete(s->bus_num, s->addr, p,
+ p->status, p->actual_length);
+ return;
+ default:
+ p->status = USB_RET_STALL;
+ trace_usb_host_req_complete(s->bus_num, s->addr, p,
+ p->status, p->actual_length);
+ return;
+ }
+
+ rc = libusb_submit_transfer(r->xfer);
+ if (rc != 0) {
+ p->status = USB_RET_NODEV;
+ trace_usb_host_req_complete(s->bus_num, s->addr, p,
+ p->status, p->actual_length);
+ if (rc == LIBUSB_ERROR_NO_DEVICE) {
+ usb_host_nodev(s);
+ }
+ return;
+ }
+
+ p->status = USB_RET_ASYNC;
+}
+
+static void usb_host_flush_ep_queue(USBDevice *dev, USBEndpoint *ep)
+{
+ if (usb_host_use_combining(ep)) {
+ usb_ep_combine_input_packets(ep);
+ }
+}
+
+static void usb_host_handle_reset(USBDevice *udev)
+{
+ USBHostDevice *s = USB_HOST_DEVICE(udev);
+
+ trace_usb_host_reset(s->bus_num, s->addr);
+
+ if (udev->configuration == 0) {
+ return;
+ }
+ usb_host_release_interfaces(s);
+ libusb_reset_device(s->dh);
+ usb_host_claim_interfaces(s, 0);
+ usb_host_ep_update(s);
+}
+
+static const VMStateDescription vmstate_usb_host = {
+ .name = "usb-host",
+ .unmigratable = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_USB_DEVICE(parent_obj, USBHostDevice),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static Property usb_host_dev_properties[] = {
+ DEFINE_PROP_UINT32("hostbus", USBHostDevice, match.bus_num, 0),
+ DEFINE_PROP_UINT32("hostaddr", USBHostDevice, match.addr, 0),
+ DEFINE_PROP_STRING("hostport", USBHostDevice, match.port),
+ DEFINE_PROP_HEX32("vendorid", USBHostDevice, match.vendor_id, 0),
+ DEFINE_PROP_HEX32("productid", USBHostDevice, match.product_id, 0),
+ DEFINE_PROP_UINT32("isobufs", USBHostDevice, iso_urb_count, 4),
+ DEFINE_PROP_UINT32("isobsize", USBHostDevice, iso_urb_frames, 32),
+ DEFINE_PROP_INT32("bootindex", USBHostDevice, bootindex, -1),
+ DEFINE_PROP_UINT32("loglevel", USBHostDevice, loglevel,
+ LIBUSB_LOG_LEVEL_WARNING),
+ DEFINE_PROP_BIT("pipeline", USBHostDevice, options,
+ USB_HOST_OPT_PIPELINE, true),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void usb_host_class_initfn(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
+
+ uc->init = usb_host_initfn;
+ uc->product_desc = "USB Host Device";
+ uc->cancel_packet = usb_host_cancel_packet;
+ uc->handle_data = usb_host_handle_data;
+ uc->handle_control = usb_host_handle_control;
+ uc->handle_reset = usb_host_handle_reset;
+ uc->handle_destroy = usb_host_handle_destroy;
+ uc->flush_ep_queue = usb_host_flush_ep_queue;
+ dc->vmsd = &vmstate_usb_host;
+ dc->props = usb_host_dev_properties;
+}
+
+static TypeInfo usb_host_dev_info = {
+ .name = TYPE_USB_HOST_DEVICE,
+ .parent = TYPE_USB_DEVICE,
+ .instance_size = sizeof(USBHostDevice),
+ .class_init = usb_host_class_initfn,
+};
+
+static void usb_host_register_types(void)
+{
+ type_register_static(&usb_host_dev_info);
+}
+
+type_init(usb_host_register_types)
+
+/* ------------------------------------------------------------------------ */
+
+static QEMUTimer *usb_auto_timer;
+static VMChangeStateEntry *usb_vmstate;
+
+static void usb_host_vm_state(void *unused, int running, RunState state)
+{
+ if (running) {
+ usb_host_auto_check(unused);
+ }
+}
+
+static void usb_host_auto_check(void *unused)
+{
+ struct USBHostDevice *s;
+ struct USBAutoFilter *f;
+ libusb_device **devs;
+ struct libusb_device_descriptor ddesc;
+ int unconnected = 0;
+ int i, n;
+
+ if (usb_host_init() != 0) {
+ return;
+ }
+
+ if (runstate_is_running()) {
+ n = libusb_get_device_list(ctx, &devs);
+ for (i = 0; i < n; i++) {
+ if (libusb_get_device_descriptor(devs[i], &ddesc) != 0) {
+ continue;
+ }
+ if (ddesc.bDeviceClass == LIBUSB_CLASS_HUB) {
+ continue;
+ }
+ QTAILQ_FOREACH(s, &hostdevs, next) {
+ f = &s->match;
+ if (f->bus_num > 0 &&
+ f->bus_num != libusb_get_bus_number(devs[i])) {
+ continue;
+ }
+ if (f->addr > 0 &&
+ f->addr != libusb_get_device_address(devs[i])) {
+ continue;
+ }
+ if (f->port != NULL) {
+ char port[16] = "-";
+ usb_host_get_port(devs[i], port, sizeof(port));
+ if (strcmp(f->port, port) != 0) {
+ continue;
+ }
+ }
+ if (f->vendor_id > 0 &&
+ f->vendor_id != ddesc.idVendor) {
+ continue;
+ }
+ if (f->product_id > 0 &&
+ f->product_id != ddesc.idProduct) {
+ continue;
+ }
+
+ /* We got a match */
+ s->seen++;
+ if (s->errcount >= 3) {
+ continue;
+ }
+ if (s->dh != NULL) {
+ continue;
+ }
+ if (usb_host_open(s, devs[i]) < 0) {
+ s->errcount++;
+ continue;
+ }
+ break;
+ }
+ }
+ libusb_free_device_list(devs, 1);
+
+ QTAILQ_FOREACH(s, &hostdevs, next) {
+ if (s->dh == NULL) {
+ unconnected++;
+ }
+ if (s->seen == 0) {
+ if (s->dh) {
+ usb_host_close(s);
+ }
+ s->errcount = 0;
+ }
+ s->seen = 0;
+ }
+
+#if 0
+ if (unconnected == 0) {
+ /* nothing to watch */
+ if (usb_auto_timer) {
+ qemu_del_timer(usb_auto_timer);
+ trace_usb_host_auto_scan_disabled();
+ }
+ return;
+ }
+#endif
+ }
+
+ if (!usb_vmstate) {
+ usb_vmstate = qemu_add_vm_change_state_handler(usb_host_vm_state, NULL);
+ }
+ if (!usb_auto_timer) {
+ usb_auto_timer = qemu_new_timer_ms(rt_clock, usb_host_auto_check, NULL);
+ if (!usb_auto_timer) {
+ return;
+ }
+ trace_usb_host_auto_scan_enabled();
+ }
+ qemu_mod_timer(usb_auto_timer, qemu_get_clock_ms(rt_clock) + 2000);
+}
+
+void usb_host_info(Monitor *mon, const QDict *qdict)
+{
+ libusb_device **devs;
+ struct libusb_device_descriptor ddesc;
+ char port[16];
+ int i, n;
+
+ if (usb_host_init() != 0) {
+ return;
+ }
+
+ n = libusb_get_device_list(ctx, &devs);
+ for (i = 0; i < n; i++) {
+ if (libusb_get_device_descriptor(devs[i], &ddesc) != 0) {
+ continue;
+ }
+ if (ddesc.bDeviceClass == LIBUSB_CLASS_HUB) {
+ continue;
+ }
+ usb_host_get_port(devs[i], port, sizeof(port));
+ monitor_printf(mon, " Bus %d, Addr %d, Port %s, Speed %s Mb/s\n",
+ libusb_get_bus_number(devs[i]),
+ libusb_get_device_address(devs[i]),
+ port,
+ speed_name[libusb_get_device_speed(devs[i])]);
+ monitor_printf(mon, " Class %02x:", ddesc.bDeviceClass);
+ monitor_printf(mon, " USB device %04x:%04x",
+ ddesc.idVendor, ddesc.idProduct);
+ if (ddesc.iProduct) {
+ libusb_device_handle *handle;
+ if (libusb_open(devs[i], &handle) == 0) {
+ unsigned char name[64] = "";
+ libusb_get_string_descriptor_ascii(handle,
+ ddesc.iProduct,
+ name, sizeof(name));
+ libusb_close(handle);
+ monitor_printf(mon, ", %s", name);
+ }
+ }
+ monitor_printf(mon, "\n");
+ }
+ libusb_free_device_list(devs, 1);
+}
diff --git a/hw/usb/host-linux.c b/hw/usb/host-linux.c
index b67aeba..8994668 100644
--- a/hw/usb/host-linux.c
+++ b/hw/usb/host-linux.c
@@ -45,6 +45,12 @@
#include "hw/usb/desc.h"
#include "hw/usb/host.h"
+#ifdef CONFIG_USB_LIBUSB
+# define DEVNAME "usb-host-linux"
+#else
+# define DEVNAME "usb-host"
+#endif
+
/* We redefine it to avoid version problems */
struct usb_ctrltransfer {
uint8_t bRequestType;
@@ -1487,7 +1493,7 @@ static int usb_host_initfn(USBDevice *dev)
}
static const VMStateDescription vmstate_usb_host = {
- .name = "usb-host",
+ .name = DEVNAME,
.version_id = 1,
.minimum_version_id = 1,
.post_load = usb_host_post_load,
@@ -1527,7 +1533,7 @@ static void usb_host_class_initfn(ObjectClass *klass, void *data)
}
static const TypeInfo usb_host_dev_info = {
- .name = "usb-host",
+ .name = DEVNAME,
.parent = TYPE_USB_DEVICE,
.instance_size = sizeof(USBHostDevice),
.class_init = usb_host_class_initfn,
@@ -1767,6 +1773,8 @@ static void usb_host_auto_check(void *unused)
qemu_mod_timer(usb_auto_timer, qemu_get_clock_ms(rt_clock) + 2000);
}
+#ifndef CONFIG_USB_LIBUSB
+
/**********************/
/* USB host device info */
@@ -1898,3 +1906,5 @@ void usb_host_info(Monitor *mon, const QDict *qdict)
bus, addr, f->port ? f->port : "*", vid, pid);
}
}
+
+#endif
diff --git a/trace-events b/trace-events
index 968edb6..581d67a 100644
--- a/trace-events
+++ b/trace-events
@@ -362,6 +362,7 @@ usb_xhci_queue_event(uint32_t vector, uint32_t idx, const char *trb, const char
usb_xhci_fetch_trb(uint64_t addr, const char *name, uint64_t param, uint32_t status, uint32_t control) "addr %016" PRIx64 ", %s, p %016" PRIx64 ", s %08x, c 0x%08x"
usb_xhci_port_reset(uint32_t port) "port %d"
usb_xhci_port_link(uint32_t port, uint32_t pls) "port %d, pls %d"
+usb_xhci_port_notify(uint32_t port, uint32_t pls) "port %d, bits %x"
usb_xhci_slot_enable(uint32_t slotid) "slotid %d"
usb_xhci_slot_disable(uint32_t slotid) "slotid %d"
usb_xhci_slot_address(uint32_t slotid) "slotid %d"
@@ -424,11 +425,15 @@ usb_host_open_success(int bus, int addr) "dev %d:%d"
usb_host_open_failure(int bus, int addr) "dev %d:%d"
usb_host_disconnect(int bus, int addr) "dev %d:%d"
usb_host_close(int bus, int addr) "dev %d:%d"
+usb_host_attach_kernel(int bus, int addr, int interface) "dev %d:%d, if %d"
+usb_host_detach_kernel(int bus, int addr, int interface) "dev %d:%d, if %d"
usb_host_set_address(int bus, int addr, int config) "dev %d:%d, address %d"
usb_host_set_config(int bus, int addr, int config) "dev %d:%d, config %d"
usb_host_set_interface(int bus, int addr, int interface, int alt) "dev %d:%d, interface %d, alt %d"
usb_host_claim_interfaces(int bus, int addr, int config, int nif) "dev %d:%d, config %d, nif %d"
+usb_host_claim_interface(int bus, int addr, int config, int interface) "dev %d:%d, config %d, if %d"
usb_host_release_interfaces(int bus, int addr) "dev %d:%d"
+usb_host_release_interface(int bus, int addr, int interface) "dev %d:%d, if %d"
usb_host_req_control(int bus, int addr, void *p, int req, int value, int index) "dev %d:%d, packet %p, req 0x%x, value %d, index %d"
usb_host_req_data(int bus, int addr, void *p, int in, int ep, int size) "dev %d:%d, packet %p, in %d, ep %d, size %d"
usb_host_req_complete(int bus, int addr, void *p, int status, int length) "dev %d:%d, packet %p, status %d, length %d"
generated by cgit v1.1 at 2024-12-28 15:05:57 +0000