*/
#include "qemu-common.h"
-#include "qemu-timer.h"
-#include "monitor.h"
-#include "sysemu.h"
+#include "qemu/timer.h"
+#include "monitor/monitor.h"
+#include "sysemu/sysemu.h"
+#include "qemu/iov.h"
+#include "sysemu/char.h"
#include <dirent.h>
#include <sys/ioctl.h>
#define NO_INTERFACE_INFO 255 /* Valid interface_count always <= 32 */
#define EP2I(ep_address) (((ep_address & 0x80) >> 3) | (ep_address & 0x0f))
#define I2EP(i) (((i & 0x10) << 3) | (i & 0x0f))
+#define USBEP2I(usb_ep) (((usb_ep)->pid == USB_TOKEN_IN) ? \
+ ((usb_ep)->nr | 0x10) : ((usb_ep)->nr))
+#define I2USBEP(d, i) (usb_ep_get(&(d)->dev, \
+ ((i) & 0x10) ? USB_TOKEN_IN : USB_TOKEN_OUT, \
+ (i) & 0x0f))
typedef struct USBRedirDevice USBRedirDevice;
-/* Struct to hold buffered packets (iso or int input packets) */
+/* Struct to hold buffered packets */
struct buf_packet {
uint8_t *data;
- int len;
- int status;
+ void *free_on_destroy;
+ uint16_t len;
+ uint16_t offset;
+ uint8_t status;
QTAILQ_ENTRY(buf_packet)next;
};
struct endp_data {
+ USBRedirDevice *dev;
uint8_t type;
uint8_t interval;
uint8_t interface; /* bInterfaceNumber this ep belongs to */
uint8_t iso_error; /* For reporting iso errors to the HC */
uint8_t interrupt_started;
uint8_t interrupt_error;
+ uint8_t bulk_receiving_enabled;
+ uint8_t bulk_receiving_started;
uint8_t bufpq_prefilled;
uint8_t bufpq_dropping_packets;
QTAILQ_HEAD(, buf_packet) bufpq;
int32_t bufpq_size;
int32_t bufpq_target_size;
+ USBPacket *pending_async_packet;
};
struct PacketIdQueueEntry {
/* Data passed from chardev the fd_read cb to the usbredirparser read cb */
const uint8_t *read_buf;
int read_buf_size;
+ /* Active chardev-watch-tag */
+ guint watch;
/* For async handling of close */
QEMUBH *chardev_close_bh;
/* To delay the usb attach in case of quick chardev close + open */
struct endp_data endpoint[MAX_ENDPOINTS];
struct PacketIdQueue cancelled;
struct PacketIdQueue already_in_flight;
+ void (*buffered_bulk_in_complete)(USBRedirDevice *, USBPacket *, uint8_t);
/* Data for device filtering */
struct usb_redir_device_connect_header device_info;
struct usb_redir_interface_info_header interface_info;
struct usbredirfilter_rule *filter_rules;
int filter_rules_count;
+ int compatible_speedmask;
};
static void usbredir_hello(void *priv, struct usb_redir_hello_header *h);
*interrupt_receiving_status);
static void usbredir_bulk_streams_status(void *priv, uint64_t id,
struct usb_redir_bulk_streams_status_header *bulk_streams_status);
+static void usbredir_bulk_receiving_status(void *priv, uint64_t id,
+ struct usb_redir_bulk_receiving_status_header *bulk_receiving_status);
static void usbredir_control_packet(void *priv, uint64_t id,
struct usb_redir_control_packet_header *control_packet,
uint8_t *data, int data_len);
static void usbredir_interrupt_packet(void *priv, uint64_t id,
struct usb_redir_interrupt_packet_header *interrupt_header,
uint8_t *data, int data_len);
+static void usbredir_buffered_bulk_packet(void *priv, uint64_t id,
+ struct usb_redir_buffered_bulk_packet_header *buffered_bulk_packet,
+ uint8_t *data, int data_len);
-static int usbredir_handle_status(USBRedirDevice *dev,
- int status, int actual_len);
+static void usbredir_handle_status(USBRedirDevice *dev, USBPacket *p,
+ int status);
#define VERSION "qemu usb-redir guest " QEMU_VERSION
return count;
}
+static gboolean usbredir_write_unblocked(GIOChannel *chan, GIOCondition cond,
+ void *opaque)
+{
+ USBRedirDevice *dev = opaque;
+
+ dev->watch = 0;
+ usbredirparser_do_write(dev->parser);
+
+ return FALSE;
+}
+
static int usbredir_write(void *priv, uint8_t *data, int count)
{
USBRedirDevice *dev = priv;
+ int r;
- if (!dev->cs->opened) {
+ if (!dev->cs->be_open) {
return 0;
}
return 0;
}
- return qemu_chr_fe_write(dev->cs, data, count);
+ r = qemu_chr_fe_write(dev->cs, data, count);
+ if (r < count) {
+ if (!dev->watch) {
+ dev->watch = qemu_chr_fe_add_watch(dev->cs, G_IO_OUT,
+ usbredir_write_unblocked, dev);
+ }
+ if (r < 0) {
+ r = 0;
+ }
+ }
+ return r;
}
/*
static void usbredir_cancel_packet(USBDevice *udev, USBPacket *p)
{
USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev);
+ int i = USBEP2I(p->ep);
+
+ if (p->combined) {
+ usb_combined_packet_cancel(udev, p);
+ return;
+ }
+
+ if (dev->endpoint[i].pending_async_packet) {
+ assert(dev->endpoint[i].pending_async_packet == p);
+ dev->endpoint[i].pending_async_packet = NULL;
+ return;
+ }
packet_id_queue_add(&dev->cancelled, p->id);
usbredirparser_send_cancel_data_packet(dev->parser, p->id);
{
static USBPacket *p;
+ /* async handled packets for bulk receiving eps do not count as inflight */
+ if (dev->endpoint[USBEP2I(ep)].bulk_receiving_started) {
+ return;
+ }
+
QTAILQ_FOREACH(p, &ep->queue, queue) {
- packet_id_queue_add(&dev->already_in_flight, p->id);
+ /* Skip combined packets, except for the first */
+ if (p->combined && p != p->combined->first) {
+ continue;
+ }
+ if (p->state == USB_PACKET_ASYNC) {
+ packet_id_queue_add(&dev->already_in_flight, p->id);
+ }
}
}
return p;
}
-static void bufp_alloc(USBRedirDevice *dev,
- uint8_t *data, int len, int status, uint8_t ep)
+static void bufp_alloc(USBRedirDevice *dev, uint8_t *data, uint16_t len,
+ uint8_t status, uint8_t ep, void *free_on_destroy)
{
struct buf_packet *bufp;
bufp = g_malloc(sizeof(struct buf_packet));
bufp->data = data;
bufp->len = len;
+ bufp->offset = 0;
bufp->status = status;
+ bufp->free_on_destroy = free_on_destroy;
QTAILQ_INSERT_TAIL(&dev->endpoint[EP2I(ep)].bufpq, bufp, next);
dev->endpoint[EP2I(ep)].bufpq_size++;
}
{
QTAILQ_REMOVE(&dev->endpoint[EP2I(ep)].bufpq, bufp, next);
dev->endpoint[EP2I(ep)].bufpq_size--;
- free(bufp->data);
+ free(bufp->free_on_destroy);
g_free(bufp);
}
usbredirparser_do_write(dev->parser);
}
-static int usbredir_handle_iso_data(USBRedirDevice *dev, USBPacket *p,
+static void usbredir_handle_iso_data(USBRedirDevice *dev, USBPacket *p,
uint8_t ep)
{
int status, len;
!dev->endpoint[EP2I(ep)].bufpq_prefilled) {
if (dev->endpoint[EP2I(ep)].bufpq_size <
dev->endpoint[EP2I(ep)].bufpq_target_size) {
- return usbredir_handle_status(dev, 0, 0);
+ return;
}
dev->endpoint[EP2I(ep)].bufpq_prefilled = 1;
}
/* Check iso_error for stream errors, otherwise its an underrun */
status = dev->endpoint[EP2I(ep)].iso_error;
dev->endpoint[EP2I(ep)].iso_error = 0;
- return status ? USB_RET_IOERROR : 0;
+ p->status = status ? USB_RET_IOERROR : USB_RET_SUCCESS;
+ return;
}
DPRINTF2("iso-token-in ep %02X status %d len %d queue-size: %d\n", ep,
isop->status, isop->len, dev->endpoint[EP2I(ep)].bufpq_size);
status = isop->status;
- if (status != usb_redir_success) {
- bufp_free(dev, isop, ep);
- return USB_RET_IOERROR;
- }
-
len = isop->len;
if (len > p->iov.size) {
ERROR("received iso data is larger then packet ep %02X (%d > %d)\n",
ep, len, (int)p->iov.size);
- bufp_free(dev, isop, ep);
- return USB_RET_BABBLE;
+ len = p->iov.size;
+ status = usb_redir_babble;
}
usb_packet_copy(p, isop->data, len);
bufp_free(dev, isop, ep);
- return len;
+ usbredir_handle_status(dev, p, status);
} else {
/* If the stream was not started because of a pending error don't
send the packet to the usb-host */
dev->endpoint[EP2I(ep)].iso_error = 0;
DPRINTF2("iso-token-out ep %02X status %d len %zd\n", ep, status,
p->iov.size);
- return usbredir_handle_status(dev, status, p->iov.size);
+ usbredir_handle_status(dev, p, status);
}
}
usbredir_free_bufpq(dev, ep);
}
-static int usbredir_handle_bulk_data(USBRedirDevice *dev, USBPacket *p,
+/*
+ * The usb-host may poll the endpoint faster then our guest, resulting in lots
+ * of smaller bulkp-s. The below buffered_bulk_in_complete* functions combine
+ * data from multiple bulkp-s into a single packet, avoiding bufpq overflows.
+ */
+static void usbredir_buffered_bulk_add_data_to_packet(USBRedirDevice *dev,
+ struct buf_packet *bulkp, int count, USBPacket *p, uint8_t ep)
+{
+ usb_packet_copy(p, bulkp->data + bulkp->offset, count);
+ bulkp->offset += count;
+ if (bulkp->offset == bulkp->len) {
+ /* Store status in the last packet with data from this bulkp */
+ usbredir_handle_status(dev, p, bulkp->status);
+ bufp_free(dev, bulkp, ep);
+ }
+}
+
+static void usbredir_buffered_bulk_in_complete_raw(USBRedirDevice *dev,
+ USBPacket *p, uint8_t ep)
+{
+ struct buf_packet *bulkp;
+ int count;
+
+ while ((bulkp = QTAILQ_FIRST(&dev->endpoint[EP2I(ep)].bufpq)) &&
+ p->actual_length < p->iov.size && p->status == USB_RET_SUCCESS) {
+ count = bulkp->len - bulkp->offset;
+ if (count > (p->iov.size - p->actual_length)) {
+ count = p->iov.size - p->actual_length;
+ }
+ usbredir_buffered_bulk_add_data_to_packet(dev, bulkp, count, p, ep);
+ }
+}
+
+static void usbredir_buffered_bulk_in_complete_ftdi(USBRedirDevice *dev,
+ USBPacket *p, uint8_t ep)
+{
+ const int maxp = dev->endpoint[EP2I(ep)].max_packet_size;
+ uint8_t header[2] = { 0, 0 };
+ struct buf_packet *bulkp;
+ int count;
+
+ while ((bulkp = QTAILQ_FIRST(&dev->endpoint[EP2I(ep)].bufpq)) &&
+ p->actual_length < p->iov.size && p->status == USB_RET_SUCCESS) {
+ if (bulkp->len < 2) {
+ WARNING("malformed ftdi bulk in packet\n");
+ bufp_free(dev, bulkp, ep);
+ continue;
+ }
+
+ if ((p->actual_length % maxp) == 0) {
+ usb_packet_copy(p, bulkp->data, 2);
+ memcpy(header, bulkp->data, 2);
+ } else {
+ if (bulkp->data[0] != header[0] || bulkp->data[1] != header[1]) {
+ break; /* Different header, add to next packet */
+ }
+ }
+
+ if (bulkp->offset == 0) {
+ bulkp->offset = 2; /* Skip header */
+ }
+ count = bulkp->len - bulkp->offset;
+ /* Must repeat the header at maxp interval */
+ if (count > (maxp - (p->actual_length % maxp))) {
+ count = maxp - (p->actual_length % maxp);
+ }
+ usbredir_buffered_bulk_add_data_to_packet(dev, bulkp, count, p, ep);
+ }
+}
+
+static void usbredir_buffered_bulk_in_complete(USBRedirDevice *dev,
+ USBPacket *p, uint8_t ep)
+{
+ p->status = USB_RET_SUCCESS; /* Clear previous ASYNC status */
+ dev->buffered_bulk_in_complete(dev, p, ep);
+ DPRINTF("bulk-token-in ep %02X status %d len %d id %"PRIu64"\n",
+ ep, p->status, p->actual_length, p->id);
+}
+
+static void usbredir_handle_buffered_bulk_in_data(USBRedirDevice *dev,
+ USBPacket *p, uint8_t ep)
+{
+ /* Input bulk endpoint, buffered packet input */
+ if (!dev->endpoint[EP2I(ep)].bulk_receiving_started) {
+ int bpt;
+ struct usb_redir_start_bulk_receiving_header start = {
+ .endpoint = ep,
+ .stream_id = 0,
+ .no_transfers = 5,
+ };
+ /* Round bytes_per_transfer up to a multiple of max_packet_size */
+ bpt = 512 + dev->endpoint[EP2I(ep)].max_packet_size - 1;
+ bpt /= dev->endpoint[EP2I(ep)].max_packet_size;
+ bpt *= dev->endpoint[EP2I(ep)].max_packet_size;
+ start.bytes_per_transfer = bpt;
+ /* No id, we look at the ep when receiving a status back */
+ usbredirparser_send_start_bulk_receiving(dev->parser, 0, &start);
+ usbredirparser_do_write(dev->parser);
+ DPRINTF("bulk receiving started bytes/transfer %u count %d ep %02X\n",
+ start.bytes_per_transfer, start.no_transfers, ep);
+ dev->endpoint[EP2I(ep)].bulk_receiving_started = 1;
+ /* We don't really want to drop bulk packets ever, but
+ having some upper limit to how much we buffer is good. */
+ dev->endpoint[EP2I(ep)].bufpq_target_size = 5000;
+ dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 0;
+ }
+
+ if (QTAILQ_EMPTY(&dev->endpoint[EP2I(ep)].bufpq)) {
+ DPRINTF("bulk-token-in ep %02X, no bulkp\n", ep);
+ assert(dev->endpoint[EP2I(ep)].pending_async_packet == NULL);
+ dev->endpoint[EP2I(ep)].pending_async_packet = p;
+ p->status = USB_RET_ASYNC;
+ return;
+ }
+ usbredir_buffered_bulk_in_complete(dev, p, ep);
+}
+
+static void usbredir_stop_bulk_receiving(USBRedirDevice *dev, uint8_t ep)
+{
+ struct usb_redir_stop_bulk_receiving_header stop_bulk = {
+ .endpoint = ep,
+ .stream_id = 0,
+ };
+ if (dev->endpoint[EP2I(ep)].bulk_receiving_started) {
+ usbredirparser_send_stop_bulk_receiving(dev->parser, 0, &stop_bulk);
+ DPRINTF("bulk receiving stopped ep %02X\n", ep);
+ dev->endpoint[EP2I(ep)].bulk_receiving_started = 0;
+ }
+ usbredir_free_bufpq(dev, ep);
+}
+
+static void usbredir_handle_bulk_data(USBRedirDevice *dev, USBPacket *p,
uint8_t ep)
{
struct usb_redir_bulk_packet_header bulk_packet;
-
- DPRINTF("bulk-out ep %02X len %zd id %"PRIu64"\n", ep, p->iov.size, p->id);
+ size_t size = usb_packet_size(p);
+ const int maxp = dev->endpoint[EP2I(ep)].max_packet_size;
if (usbredir_already_in_flight(dev, p->id)) {
- return USB_RET_ASYNC;
+ p->status = USB_RET_ASYNC;
+ return;
+ }
+
+ if (dev->endpoint[EP2I(ep)].bulk_receiving_enabled) {
+ if (size != 0 && (size % maxp) == 0) {
+ usbredir_handle_buffered_bulk_in_data(dev, p, ep);
+ return;
+ }
+ WARNING("bulk recv invalid size %zd ep %02x, disabling\n", size, ep);
+ assert(dev->endpoint[EP2I(ep)].pending_async_packet == NULL);
+ usbredir_stop_bulk_receiving(dev, ep);
+ dev->endpoint[EP2I(ep)].bulk_receiving_enabled = 0;
}
+ DPRINTF("bulk-out ep %02X len %zd id %"PRIu64"\n", ep, size, p->id);
+
bulk_packet.endpoint = ep;
- bulk_packet.length = p->iov.size;
+ bulk_packet.length = size;
bulk_packet.stream_id = 0;
+ bulk_packet.length_high = size >> 16;
+ assert(bulk_packet.length_high == 0 ||
+ usbredirparser_peer_has_cap(dev->parser,
+ usb_redir_cap_32bits_bulk_length));
if (ep & USB_DIR_IN) {
usbredirparser_send_bulk_packet(dev->parser, p->id,
&bulk_packet, NULL, 0);
} else {
- uint8_t buf[p->iov.size];
- usb_packet_copy(p, buf, p->iov.size);
- usbredir_log_data(dev, "bulk data out:", buf, p->iov.size);
+ uint8_t buf[size];
+ usb_packet_copy(p, buf, size);
+ usbredir_log_data(dev, "bulk data out:", buf, size);
usbredirparser_send_bulk_packet(dev->parser, p->id,
- &bulk_packet, buf, p->iov.size);
+ &bulk_packet, buf, size);
}
usbredirparser_do_write(dev->parser);
- return USB_RET_ASYNC;
+ p->status = USB_RET_ASYNC;
}
-static int usbredir_handle_interrupt_data(USBRedirDevice *dev,
- USBPacket *p, uint8_t ep)
+static void usbredir_handle_interrupt_in_data(USBRedirDevice *dev,
+ USBPacket *p, uint8_t ep)
{
- if (ep & USB_DIR_IN) {
- /* Input interrupt endpoint, buffered packet input */
- struct buf_packet *intp;
- int status, len;
-
- if (!dev->endpoint[EP2I(ep)].interrupt_started &&
- !dev->endpoint[EP2I(ep)].interrupt_error) {
- struct usb_redir_start_interrupt_receiving_header start_int = {
- .endpoint = ep,
- };
- /* No id, we look at the ep when receiving a status back */
- usbredirparser_send_start_interrupt_receiving(dev->parser, 0,
- &start_int);
- usbredirparser_do_write(dev->parser);
- DPRINTF("interrupt recv started ep %02X\n", ep);
- dev->endpoint[EP2I(ep)].interrupt_started = 1;
- /* We don't really want to drop interrupt packets ever, but
- having some upper limit to how much we buffer is good. */
- dev->endpoint[EP2I(ep)].bufpq_target_size = 1000;
- dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 0;
- }
+ /* Input interrupt endpoint, buffered packet input */
+ struct buf_packet *intp;
+ int status, len;
- intp = QTAILQ_FIRST(&dev->endpoint[EP2I(ep)].bufpq);
- if (intp == NULL) {
- DPRINTF2("interrupt-token-in ep %02X, no intp\n", ep);
- /* Check interrupt_error for stream errors */
- status = dev->endpoint[EP2I(ep)].interrupt_error;
- dev->endpoint[EP2I(ep)].interrupt_error = 0;
- if (status) {
- return usbredir_handle_status(dev, status, 0);
- }
- return USB_RET_NAK;
- }
- DPRINTF("interrupt-token-in ep %02X status %d len %d\n", ep,
- intp->status, intp->len);
+ if (!dev->endpoint[EP2I(ep)].interrupt_started &&
+ !dev->endpoint[EP2I(ep)].interrupt_error) {
+ struct usb_redir_start_interrupt_receiving_header start_int = {
+ .endpoint = ep,
+ };
+ /* No id, we look at the ep when receiving a status back */
+ usbredirparser_send_start_interrupt_receiving(dev->parser, 0,
+ &start_int);
+ usbredirparser_do_write(dev->parser);
+ DPRINTF("interrupt recv started ep %02X\n", ep);
+ dev->endpoint[EP2I(ep)].interrupt_started = 1;
+ /* We don't really want to drop interrupt packets ever, but
+ having some upper limit to how much we buffer is good. */
+ dev->endpoint[EP2I(ep)].bufpq_target_size = 1000;
+ dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 0;
+ }
- status = intp->status;
- if (status != usb_redir_success) {
- bufp_free(dev, intp, ep);
- return usbredir_handle_status(dev, status, 0);
+ intp = QTAILQ_FIRST(&dev->endpoint[EP2I(ep)].bufpq);
+ if (intp == NULL) {
+ DPRINTF2("interrupt-token-in ep %02X, no intp\n", ep);
+ /* Check interrupt_error for stream errors */
+ status = dev->endpoint[EP2I(ep)].interrupt_error;
+ dev->endpoint[EP2I(ep)].interrupt_error = 0;
+ if (status) {
+ usbredir_handle_status(dev, p, status);
+ } else {
+ p->status = USB_RET_NAK;
}
+ return;
+ }
+ DPRINTF("interrupt-token-in ep %02X status %d len %d\n", ep,
+ intp->status, intp->len);
- len = intp->len;
- if (len > p->iov.size) {
- ERROR("received int data is larger then packet ep %02X\n", ep);
- bufp_free(dev, intp, ep);
- return USB_RET_BABBLE;
- }
- usb_packet_copy(p, intp->data, len);
- bufp_free(dev, intp, ep);
- return len;
- } else {
- /* Output interrupt endpoint, normal async operation */
- struct usb_redir_interrupt_packet_header interrupt_packet;
- uint8_t buf[p->iov.size];
+ status = intp->status;
+ len = intp->len;
+ if (len > p->iov.size) {
+ ERROR("received int data is larger then packet ep %02X\n", ep);
+ len = p->iov.size;
+ status = usb_redir_babble;
+ }
+ usb_packet_copy(p, intp->data, len);
+ bufp_free(dev, intp, ep);
+ usbredir_handle_status(dev, p, status);
+}
- DPRINTF("interrupt-out ep %02X len %zd id %"PRIu64"\n", ep,
- p->iov.size, p->id);
+/*
+ * Handle interrupt out data, the usbredir protocol expects us to do this
+ * async, so that it can report back a completion status. But guests will
+ * expect immediate completion for an interrupt endpoint, and handling this
+ * async causes migration issues. So we report success directly, counting
+ * on the fact that output interrupt packets normally always succeed.
+ */
+static void usbredir_handle_interrupt_out_data(USBRedirDevice *dev,
+ USBPacket *p, uint8_t ep)
+{
+ struct usb_redir_interrupt_packet_header interrupt_packet;
+ uint8_t buf[p->iov.size];
- if (usbredir_already_in_flight(dev, p->id)) {
- return USB_RET_ASYNC;
- }
+ DPRINTF("interrupt-out ep %02X len %zd id %"PRIu64"\n", ep,
+ p->iov.size, p->id);
- interrupt_packet.endpoint = ep;
- interrupt_packet.length = p->iov.size;
+ interrupt_packet.endpoint = ep;
+ interrupt_packet.length = p->iov.size;
- usb_packet_copy(p, buf, p->iov.size);
- usbredir_log_data(dev, "interrupt data out:", buf, p->iov.size);
- usbredirparser_send_interrupt_packet(dev->parser, p->id,
- &interrupt_packet, buf, p->iov.size);
- usbredirparser_do_write(dev->parser);
- return USB_RET_ASYNC;
- }
+ usb_packet_copy(p, buf, p->iov.size);
+ usbredir_log_data(dev, "interrupt data out:", buf, p->iov.size);
+ usbredirparser_send_interrupt_packet(dev->parser, p->id,
+ &interrupt_packet, buf, p->iov.size);
+ usbredirparser_do_write(dev->parser);
}
static void usbredir_stop_interrupt_receiving(USBRedirDevice *dev,
usbredir_free_bufpq(dev, ep);
}
-static int usbredir_handle_data(USBDevice *udev, USBPacket *p)
+static void usbredir_handle_data(USBDevice *udev, USBPacket *p)
{
USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev);
uint8_t ep;
switch (dev->endpoint[EP2I(ep)].type) {
case USB_ENDPOINT_XFER_CONTROL:
ERROR("handle_data called for control transfer on ep %02X\n", ep);
- return USB_RET_NAK;
- case USB_ENDPOINT_XFER_ISOC:
- return usbredir_handle_iso_data(dev, p, ep);
+ p->status = USB_RET_NAK;
+ break;
case USB_ENDPOINT_XFER_BULK:
- return usbredir_handle_bulk_data(dev, p, ep);
+ if (p->state == USB_PACKET_SETUP && p->pid == USB_TOKEN_IN &&
+ p->ep->pipeline) {
+ p->status = USB_RET_ADD_TO_QUEUE;
+ break;
+ }
+ usbredir_handle_bulk_data(dev, p, ep);
+ break;
+ case USB_ENDPOINT_XFER_ISOC:
+ usbredir_handle_iso_data(dev, p, ep);
+ break;
case USB_ENDPOINT_XFER_INT:
- return usbredir_handle_interrupt_data(dev, p, ep);
+ if (ep & USB_DIR_IN) {
+ usbredir_handle_interrupt_in_data(dev, p, ep);
+ } else {
+ usbredir_handle_interrupt_out_data(dev, p, ep);
+ }
+ break;
default:
ERROR("handle_data ep %02X has unknown type %d\n", ep,
dev->endpoint[EP2I(ep)].type);
- return USB_RET_NAK;
+ p->status = USB_RET_NAK;
+ }
+}
+
+static void usbredir_flush_ep_queue(USBDevice *dev, USBEndpoint *ep)
+{
+ if (ep->pid == USB_TOKEN_IN && ep->pipeline) {
+ usb_ep_combine_input_packets(ep);
}
}
-static int usbredir_set_config(USBRedirDevice *dev, USBPacket *p,
+static void usbredir_stop_ep(USBRedirDevice *dev, int i)
+{
+ uint8_t ep = I2EP(i);
+
+ switch (dev->endpoint[i].type) {
+ case USB_ENDPOINT_XFER_BULK:
+ if (ep & USB_DIR_IN) {
+ usbredir_stop_bulk_receiving(dev, ep);
+ }
+ break;
+ case USB_ENDPOINT_XFER_ISOC:
+ usbredir_stop_iso_stream(dev, ep);
+ break;
+ case USB_ENDPOINT_XFER_INT:
+ if (ep & USB_DIR_IN) {
+ usbredir_stop_interrupt_receiving(dev, ep);
+ }
+ break;
+ }
+ usbredir_free_bufpq(dev, ep);
+}
+
+static void usbredir_ep_stopped(USBDevice *udev, USBEndpoint *uep)
+{
+ USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev);
+
+ usbredir_stop_ep(dev, USBEP2I(uep));
+ usbredirparser_do_write(dev->parser);
+}
+
+static void usbredir_set_config(USBRedirDevice *dev, USBPacket *p,
int config)
{
struct usb_redir_set_configuration_header set_config;
DPRINTF("set config %d id %"PRIu64"\n", config, p->id);
for (i = 0; i < MAX_ENDPOINTS; i++) {
- switch (dev->endpoint[i].type) {
- case USB_ENDPOINT_XFER_ISOC:
- usbredir_stop_iso_stream(dev, I2EP(i));
- break;
- case USB_ENDPOINT_XFER_INT:
- if (i & 0x10) {
- usbredir_stop_interrupt_receiving(dev, I2EP(i));
- }
- break;
- }
- usbredir_free_bufpq(dev, I2EP(i));
+ usbredir_stop_ep(dev, i);
}
set_config.configuration = config;
usbredirparser_send_set_configuration(dev->parser, p->id, &set_config);
usbredirparser_do_write(dev->parser);
- return USB_RET_ASYNC;
+ p->status = USB_RET_ASYNC;
}
-static int usbredir_get_config(USBRedirDevice *dev, USBPacket *p)
+static void usbredir_get_config(USBRedirDevice *dev, USBPacket *p)
{
DPRINTF("get config id %"PRIu64"\n", p->id);
usbredirparser_send_get_configuration(dev->parser, p->id);
usbredirparser_do_write(dev->parser);
- return USB_RET_ASYNC;
+ p->status = USB_RET_ASYNC;
}
-static int usbredir_set_interface(USBRedirDevice *dev, USBPacket *p,
+static void usbredir_set_interface(USBRedirDevice *dev, USBPacket *p,
int interface, int alt)
{
struct usb_redir_set_alt_setting_header set_alt;
for (i = 0; i < MAX_ENDPOINTS; i++) {
if (dev->endpoint[i].interface == interface) {
- switch (dev->endpoint[i].type) {
- case USB_ENDPOINT_XFER_ISOC:
- usbredir_stop_iso_stream(dev, I2EP(i));
- break;
- case USB_ENDPOINT_XFER_INT:
- if (i & 0x10) {
- usbredir_stop_interrupt_receiving(dev, I2EP(i));
- }
- break;
- }
- usbredir_free_bufpq(dev, I2EP(i));
+ usbredir_stop_ep(dev, i);
}
}
set_alt.alt = alt;
usbredirparser_send_set_alt_setting(dev->parser, p->id, &set_alt);
usbredirparser_do_write(dev->parser);
- return USB_RET_ASYNC;
+ p->status = USB_RET_ASYNC;
}
-static int usbredir_get_interface(USBRedirDevice *dev, USBPacket *p,
+static void usbredir_get_interface(USBRedirDevice *dev, USBPacket *p,
int interface)
{
struct usb_redir_get_alt_setting_header get_alt;
get_alt.interface = interface;
usbredirparser_send_get_alt_setting(dev->parser, p->id, &get_alt);
usbredirparser_do_write(dev->parser);
- return USB_RET_ASYNC;
+ p->status = USB_RET_ASYNC;
}
-static int usbredir_handle_control(USBDevice *udev, USBPacket *p,
+static void usbredir_handle_control(USBDevice *udev, USBPacket *p,
int request, int value, int index, int length, uint8_t *data)
{
USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev);
struct usb_redir_control_packet_header control_packet;
if (usbredir_already_in_flight(dev, p->id)) {
- return USB_RET_ASYNC;
+ p->status = USB_RET_ASYNC;
+ return;
}
/* Special cases for certain standard device requests */
case DeviceOutRequest | USB_REQ_SET_ADDRESS:
DPRINTF("set address %d\n", value);
dev->dev.addr = value;
- return 0;
+ return;
case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
- return usbredir_set_config(dev, p, value & 0xff);
+ usbredir_set_config(dev, p, value & 0xff);
+ return;
case DeviceRequest | USB_REQ_GET_CONFIGURATION:
- return usbredir_get_config(dev, p);
+ usbredir_get_config(dev, p);
+ return;
case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
- return usbredir_set_interface(dev, p, index, value);
+ usbredir_set_interface(dev, p, index, value);
+ return;
case InterfaceRequest | USB_REQ_GET_INTERFACE:
- return usbredir_get_interface(dev, p, index);
+ usbredir_get_interface(dev, p, index);
+ return;
}
/* Normal ctrl requests, note request is (bRequestType << 8) | bRequest */
&control_packet, data, length);
}
usbredirparser_do_write(dev->parser);
- return USB_RET_ASYNC;
+ p->status = USB_RET_ASYNC;
}
/*
usbredirparser_destroy(dev->parser);
dev->parser = NULL;
}
+ if (dev->watch) {
+ g_source_remove(dev->watch);
+ dev->watch = 0;
+ }
}
static void usbredir_create_parser(USBRedirDevice *dev)
dev->parser->interrupt_receiving_status_func =
usbredir_interrupt_receiving_status;
dev->parser->bulk_streams_status_func = usbredir_bulk_streams_status;
+ dev->parser->bulk_receiving_status_func = usbredir_bulk_receiving_status;
dev->parser->control_packet_func = usbredir_control_packet;
dev->parser->bulk_packet_func = usbredir_bulk_packet;
dev->parser->iso_packet_func = usbredir_iso_packet;
dev->parser->interrupt_packet_func = usbredir_interrupt_packet;
+ dev->parser->buffered_bulk_packet_func = usbredir_buffered_bulk_packet;
dev->read_buf = NULL;
dev->read_buf_size = 0;
usbredirparser_caps_set_cap(caps, usb_redir_cap_filter);
usbredirparser_caps_set_cap(caps, usb_redir_cap_ep_info_max_packet_size);
usbredirparser_caps_set_cap(caps, usb_redir_cap_64bits_ids);
+ usbredirparser_caps_set_cap(caps, usb_redir_cap_32bits_bulk_length);
+ usbredirparser_caps_set_cap(caps, usb_redir_cap_bulk_receiving);
if (runstate_check(RUN_STATE_INMIGRATE)) {
flags |= usbredirparser_fl_no_hello;
if ((dev->dev.port->speedmask & USB_SPEED_MASK_SUPER) && !(
usbredirparser_peer_has_cap(dev->parser,
usb_redir_cap_ep_info_max_packet_size) &&
+ usbredirparser_peer_has_cap(dev->parser,
+ usb_redir_cap_32bits_bulk_length) &&
usbredirparser_peer_has_cap(dev->parser,
usb_redir_cap_64bits_ids))) {
ERROR("usb-redir-host lacks capabilities needed for use with XHCI\n");
}
if (usb_device_attach(&dev->dev) != 0) {
+ WARNING("rejecting device due to speed mismatch\n");
usbredir_reject_device(dev);
}
}
}
}
+static void usbredir_init_endpoints(USBRedirDevice *dev)
+{
+ int i;
+
+ usb_ep_init(&dev->dev);
+ memset(dev->endpoint, 0, sizeof(dev->endpoint));
+ for (i = 0; i < MAX_ENDPOINTS; i++) {
+ dev->endpoint[i].dev = dev;
+ QTAILQ_INIT(&dev->endpoint[i].bufpq);
+ }
+}
+
static int usbredir_initfn(USBDevice *udev)
{
USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev);
packet_id_queue_init(&dev->cancelled, dev, "cancelled");
packet_id_queue_init(&dev->already_in_flight, dev, "already-in-flight");
- for (i = 0; i < MAX_ENDPOINTS; i++) {
- QTAILQ_INIT(&dev->endpoint[i].bufpq);
- }
+ usbredir_init_endpoints(dev);
/* We'll do the attach once we receive the speed from the usb-host */
udev->auto_attach = 0;
+ /* Will be cleared during setup when we find conflicts */
+ dev->compatible_speedmask = USB_SPEED_MASK_FULL | USB_SPEED_MASK_HIGH;
+
/* Let the backend know we are ready */
- qemu_chr_fe_open(dev->cs);
qemu_chr_add_handlers(dev->cs, usbredir_chardev_can_read,
usbredir_chardev_read, usbredir_chardev_event, dev);
{
USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev);
- qemu_chr_fe_close(dev->cs);
qemu_chr_delete(dev->cs);
+ dev->cs = NULL;
/* Note must be done after qemu_chr_close, as that causes a close event */
qemu_bh_delete(dev->chardev_close_bh);
if (dev->parser) {
usbredirparser_destroy(dev->parser);
}
+ if (dev->watch) {
+ g_source_remove(dev->watch);
+ }
free(dev->filter_rules);
}
return -1;
}
+static void usbredir_check_bulk_receiving(USBRedirDevice *dev)
+{
+ int i, j, quirks;
+
+ if (!usbredirparser_peer_has_cap(dev->parser,
+ usb_redir_cap_bulk_receiving)) {
+ return;
+ }
+
+ for (i = EP2I(USB_DIR_IN); i < MAX_ENDPOINTS; i++) {
+ dev->endpoint[i].bulk_receiving_enabled = 0;
+ }
+ for (i = 0; i < dev->interface_info.interface_count; i++) {
+ quirks = usb_get_quirks(dev->device_info.vendor_id,
+ dev->device_info.product_id,
+ dev->interface_info.interface_class[i],
+ dev->interface_info.interface_subclass[i],
+ dev->interface_info.interface_protocol[i]);
+ if (!(quirks & USB_QUIRK_BUFFER_BULK_IN)) {
+ continue;
+ }
+ if (quirks & USB_QUIRK_IS_FTDI) {
+ dev->buffered_bulk_in_complete =
+ usbredir_buffered_bulk_in_complete_ftdi;
+ } else {
+ dev->buffered_bulk_in_complete =
+ usbredir_buffered_bulk_in_complete_raw;
+ }
+
+ for (j = EP2I(USB_DIR_IN); j < MAX_ENDPOINTS; j++) {
+ if (dev->endpoint[j].interface ==
+ dev->interface_info.interface[i] &&
+ dev->endpoint[j].type == USB_ENDPOINT_XFER_BULK &&
+ dev->endpoint[j].max_packet_size != 0) {
+ dev->endpoint[j].bulk_receiving_enabled = 1;
+ /*
+ * With buffering pipelining is not necessary. Also packet
+ * combining and bulk in buffering don't play nice together!
+ */
+ I2USBEP(dev, j)->pipeline = false;
+ break; /* Only buffer for the first ep of each intf */
+ }
+ }
+ }
+}
+
/*
* usbredirparser packet complete callbacks
*/
-static int usbredir_handle_status(USBRedirDevice *dev,
- int status, int actual_len)
+static void usbredir_handle_status(USBRedirDevice *dev, USBPacket *p,
+ int status)
{
switch (status) {
case usb_redir_success:
- return actual_len;
+ p->status = USB_RET_SUCCESS; /* Clear previous ASYNC status */
+ break;
case usb_redir_stall:
- return USB_RET_STALL;
+ p->status = USB_RET_STALL;
+ break;
case usb_redir_cancelled:
/*
* When the usbredir-host unredirects a device, it will report a status
* of cancelled for all pending packets, followed by a disconnect msg.
*/
- return USB_RET_IOERROR;
+ p->status = USB_RET_IOERROR;
+ break;
case usb_redir_inval:
WARNING("got invalid param error from usb-host?\n");
- return USB_RET_IOERROR;
+ p->status = USB_RET_IOERROR;
+ break;
case usb_redir_babble:
- return USB_RET_BABBLE;
+ p->status = USB_RET_BABBLE;
+ break;
case usb_redir_ioerror:
case usb_redir_timeout:
default:
- return USB_RET_IOERROR;
+ p->status = USB_RET_IOERROR;
}
}
USBRedirDevice *dev = priv;
const char *speed;
- if (qemu_timer_pending(dev->attach_timer) || dev->dev.attached) {
+ if (timer_pending(dev->attach_timer) || dev->dev.attached) {
ERROR("Received device connect while already connected\n");
return;
}
case usb_redir_speed_low:
speed = "low speed";
dev->dev.speed = USB_SPEED_LOW;
+ dev->compatible_speedmask &= ~USB_SPEED_MASK_FULL;
+ dev->compatible_speedmask &= ~USB_SPEED_MASK_HIGH;
break;
case usb_redir_speed_full:
speed = "full speed";
dev->dev.speed = USB_SPEED_FULL;
+ dev->compatible_speedmask &= ~USB_SPEED_MASK_HIGH;
break;
case usb_redir_speed_high:
speed = "high speed";
device_connect->device_class);
}
- dev->dev.speedmask = (1 << dev->dev.speed);
+ dev->dev.speedmask = (1 << dev->dev.speed) | dev->compatible_speedmask;
dev->device_info = *device_connect;
if (usbredir_check_filter(dev)) {
return;
}
+ usbredir_check_bulk_receiving(dev);
qemu_mod_timer(dev->attach_timer, dev->next_attach_time);
}
static void usbredir_device_disconnect(void *priv)
{
USBRedirDevice *dev = priv;
- int i;
/* Stop any pending attaches */
qemu_del_timer(dev->attach_timer);
/* Reset state so that the next dev connected starts with a clean slate */
usbredir_cleanup_device_queues(dev);
- memset(dev->endpoint, 0, sizeof(dev->endpoint));
- for (i = 0; i < MAX_ENDPOINTS; i++) {
- QTAILQ_INIT(&dev->endpoint[i].bufpq);
- }
- usb_ep_init(&dev->dev);
+ usbredir_init_endpoints(dev);
dev->interface_info.interface_count = NO_INTERFACE_INFO;
dev->dev.addr = 0;
dev->dev.speed = 0;
+ dev->compatible_speedmask = USB_SPEED_MASK_FULL | USB_SPEED_MASK_HIGH;
}
static void usbredir_interface_info(void *priv,
/*
* If we receive interface info after the device has already been
- * connected (ie on a set_config), re-check the filter.
+ * connected (ie on a set_config), re-check interface dependent things.
*/
- if (qemu_timer_pending(dev->attach_timer) || dev->dev.attached) {
+ if (timer_pending(dev->attach_timer) || dev->dev.attached) {
+ usbredir_check_bulk_receiving(dev);
if (usbredir_check_filter(dev)) {
ERROR("Device no longer matches filter after interface info "
"change, disconnecting!\n");
}
}
+static void usbredir_mark_speed_incompatible(USBRedirDevice *dev, int speed)
+{
+ dev->compatible_speedmask &= ~(1 << speed);
+ dev->dev.speedmask = (1 << dev->dev.speed) | dev->compatible_speedmask;
+}
+
+static void usbredir_set_pipeline(USBRedirDevice *dev, struct USBEndpoint *uep)
+{
+ if (uep->type != USB_ENDPOINT_XFER_BULK) {
+ return;
+ }
+ if (uep->pid == USB_TOKEN_OUT) {
+ uep->pipeline = true;
+ }
+ if (uep->pid == USB_TOKEN_IN && uep->max_packet_size != 0 &&
+ usbredirparser_peer_has_cap(dev->parser,
+ usb_redir_cap_32bits_bulk_length)) {
+ uep->pipeline = true;
+ }
+}
+
+static void usbredir_setup_usb_eps(USBRedirDevice *dev)
+{
+ struct USBEndpoint *usb_ep;
+ int i;
+
+ for (i = 0; i < MAX_ENDPOINTS; i++) {
+ usb_ep = I2USBEP(dev, i);
+ usb_ep->type = dev->endpoint[i].type;
+ usb_ep->ifnum = dev->endpoint[i].interface;
+ usb_ep->max_packet_size = dev->endpoint[i].max_packet_size;
+ usbredir_set_pipeline(dev, usb_ep);
+ }
+}
+
static void usbredir_ep_info(void *priv,
struct usb_redir_ep_info_header *ep_info)
{
USBRedirDevice *dev = priv;
- struct USBEndpoint *usb_ep;
int i;
for (i = 0; i < MAX_ENDPOINTS; i++) {
dev->endpoint[i].type = ep_info->type[i];
dev->endpoint[i].interval = ep_info->interval[i];
dev->endpoint[i].interface = ep_info->interface[i];
+ if (usbredirparser_peer_has_cap(dev->parser,
+ usb_redir_cap_ep_info_max_packet_size)) {
+ dev->endpoint[i].max_packet_size = ep_info->max_packet_size[i];
+ }
switch (dev->endpoint[i].type) {
case usb_redir_type_invalid:
break;
case usb_redir_type_iso:
+ usbredir_mark_speed_incompatible(dev, USB_SPEED_FULL);
+ usbredir_mark_speed_incompatible(dev, USB_SPEED_HIGH);
+ /* Fall through */
case usb_redir_type_interrupt:
+ if (!usbredirparser_peer_has_cap(dev->parser,
+ usb_redir_cap_ep_info_max_packet_size) ||
+ ep_info->max_packet_size[i] > 64) {
+ usbredir_mark_speed_incompatible(dev, USB_SPEED_FULL);
+ }
+ if (!usbredirparser_peer_has_cap(dev->parser,
+ usb_redir_cap_ep_info_max_packet_size) ||
+ ep_info->max_packet_size[i] > 1024) {
+ usbredir_mark_speed_incompatible(dev, USB_SPEED_HIGH);
+ }
if (dev->endpoint[i].interval == 0) {
ERROR("Received 0 interval for isoc or irq endpoint\n");
- usbredir_device_disconnect(dev);
+ usbredir_reject_device(dev);
+ return;
}
/* Fall through */
case usb_redir_type_control:
break;
default:
ERROR("Received invalid endpoint type\n");
- usbredir_device_disconnect(dev);
+ usbredir_reject_device(dev);
return;
}
- usb_ep = usb_ep_get(&dev->dev,
- (i & 0x10) ? USB_TOKEN_IN : USB_TOKEN_OUT,
- i & 0x0f);
- usb_ep->type = dev->endpoint[i].type;
- usb_ep->ifnum = dev->endpoint[i].interface;
- if (usbredirparser_peer_has_cap(dev->parser,
- usb_redir_cap_ep_info_max_packet_size)) {
- dev->endpoint[i].max_packet_size =
- usb_ep->max_packet_size = ep_info->max_packet_size[i];
- }
- if (ep_info->type[i] == usb_redir_type_bulk) {
- usb_ep->pipeline = true;
- }
}
+ /* The new ep info may have caused a speed incompatibility, recheck */
+ if (dev->dev.attached &&
+ !(dev->dev.port->speedmask & dev->dev.speedmask)) {
+ ERROR("Device no longer matches speed after endpoint info change, "
+ "disconnecting!\n");
+ usbredir_reject_device(dev);
+ return;
+ }
+ usbredir_setup_usb_eps(dev);
+ usbredir_check_bulk_receiving(dev);
}
static void usbredir_configuration_status(void *priv, uint64_t id,
{
USBRedirDevice *dev = priv;
USBPacket *p;
- int len = 0;
DPRINTF("set config status %d config %d id %"PRIu64"\n",
config_status->status, config_status->configuration, id);
if (p) {
if (dev->dev.setup_buf[0] & USB_DIR_IN) {
dev->dev.data_buf[0] = config_status->configuration;
- len = 1;
+ p->actual_length = 1;
}
- p->result = usbredir_handle_status(dev, config_status->status, len);
+ usbredir_handle_status(dev, p, config_status->status);
usb_generic_async_ctrl_complete(&dev->dev, p);
}
}
{
USBRedirDevice *dev = priv;
USBPacket *p;
- int len = 0;
DPRINTF("alt status %d intf %d alt %d id: %"PRIu64"\n",
alt_setting_status->status, alt_setting_status->interface,
if (p) {
if (dev->dev.setup_buf[0] & USB_DIR_IN) {
dev->dev.data_buf[0] = alt_setting_status->alt;
- len = 1;
+ p->actual_length = 1;
}
- p->result =
- usbredir_handle_status(dev, alt_setting_status->status, len);
+ usbredir_handle_status(dev, p, alt_setting_status->status);
usb_generic_async_ctrl_complete(&dev->dev, p);
}
}
{
}
+static void usbredir_bulk_receiving_status(void *priv, uint64_t id,
+ struct usb_redir_bulk_receiving_status_header *bulk_receiving_status)
+{
+ USBRedirDevice *dev = priv;
+ uint8_t ep = bulk_receiving_status->endpoint;
+
+ DPRINTF("bulk recv status %d ep %02X id %"PRIu64"\n",
+ bulk_receiving_status->status, ep, id);
+
+ if (!dev->dev.attached || !dev->endpoint[EP2I(ep)].bulk_receiving_started) {
+ return;
+ }
+
+ if (bulk_receiving_status->status == usb_redir_stall) {
+ DPRINTF("bulk receiving stopped by peer ep %02X\n", ep);
+ dev->endpoint[EP2I(ep)].bulk_receiving_started = 0;
+ }
+}
+
static void usbredir_control_packet(void *priv, uint64_t id,
struct usb_redir_control_packet_header *control_packet,
uint8_t *data, int data_len)
DPRINTF("ctrl-in status %d len %d id %"PRIu64"\n", control_packet->status,
len, id);
+ /* Fix up USB-3 ep0 maxpacket size to allow superspeed connected devices
+ * to work redirected to a not superspeed capable hcd */
+ if (dev->dev.speed == USB_SPEED_SUPER &&
+ !((dev->dev.port->speedmask & USB_SPEED_MASK_SUPER)) &&
+ control_packet->requesttype == 0x80 &&
+ control_packet->request == 6 &&
+ control_packet->value == 0x100 && control_packet->index == 0 &&
+ data_len >= 18 && data[7] == 9) {
+ data[7] = 64;
+ }
+
p = usbredir_find_packet_by_id(dev, 0, id);
if (p) {
- len = usbredir_handle_status(dev, control_packet->status, len);
- if (len > 0) {
+ usbredir_handle_status(dev, p, control_packet->status);
+ if (data_len > 0) {
usbredir_log_data(dev, "ctrl data in:", data, data_len);
- if (data_len <= sizeof(dev->dev.data_buf)) {
- memcpy(dev->dev.data_buf, data, data_len);
- } else {
+ if (data_len > sizeof(dev->dev.data_buf)) {
ERROR("ctrl buffer too small (%d > %zu)\n",
data_len, sizeof(dev->dev.data_buf));
- len = USB_RET_STALL;
+ p->status = USB_RET_STALL;
+ data_len = len = sizeof(dev->dev.data_buf);
}
+ memcpy(dev->dev.data_buf, data, data_len);
}
- p->result = len;
+ p->actual_length = len;
usb_generic_async_ctrl_complete(&dev->dev, p);
}
free(data);
{
USBRedirDevice *dev = priv;
uint8_t ep = bulk_packet->endpoint;
- int len = bulk_packet->length;
+ int len = (bulk_packet->length_high << 16) | bulk_packet->length;
USBPacket *p;
DPRINTF("bulk-in status %d ep %02X len %d id %"PRIu64"\n",
p = usbredir_find_packet_by_id(dev, ep, id);
if (p) {
- len = usbredir_handle_status(dev, bulk_packet->status, len);
- if (len > 0) {
+ size_t size = usb_packet_size(p);
+ usbredir_handle_status(dev, p, bulk_packet->status);
+ if (data_len > 0) {
usbredir_log_data(dev, "bulk data in:", data, data_len);
- if (data_len <= p->iov.size) {
- usb_packet_copy(p, data, data_len);
- } else {
+ if (data_len > size) {
ERROR("bulk got more data then requested (%d > %zd)\n",
data_len, p->iov.size);
- len = USB_RET_BABBLE;
+ p->status = USB_RET_BABBLE;
+ data_len = len = size;
}
+ usb_packet_copy(p, data, data_len);
+ }
+ p->actual_length = len;
+ if (p->pid == USB_TOKEN_IN && p->ep->pipeline) {
+ usb_combined_input_packet_complete(&dev->dev, p);
+ } else {
+ usb_packet_complete(&dev->dev, p);
}
- p->result = len;
- usb_packet_complete(&dev->dev, p);
}
free(data);
}
}
/* bufp_alloc also adds the packet to the ep queue */
- bufp_alloc(dev, data, data_len, iso_packet->status, ep);
+ bufp_alloc(dev, data, data_len, iso_packet->status, ep, data);
}
static void usbredir_interrupt_packet(void *priv, uint64_t id,
return;
}
+ if (QTAILQ_EMPTY(&dev->endpoint[EP2I(ep)].bufpq)) {
+ usb_wakeup(usb_ep_get(&dev->dev, USB_TOKEN_IN, ep & 0x0f), 0);
+ }
+
/* bufp_alloc also adds the packet to the ep queue */
- bufp_alloc(dev, data, data_len, interrupt_packet->status, ep);
+ bufp_alloc(dev, data, data_len, interrupt_packet->status, ep, data);
} else {
- int len = interrupt_packet->length;
+ /*
+ * We report output interrupt packets as completed directly upon
+ * submission, so all we can do here if one failed is warn.
+ */
+ if (interrupt_packet->status) {
+ WARNING("interrupt output failed status %d ep %02X id %"PRIu64"\n",
+ interrupt_packet->status, ep, id);
+ }
+ }
+}
- USBPacket *p = usbredir_find_packet_by_id(dev, ep, id);
- if (p) {
- p->result = usbredir_handle_status(dev,
- interrupt_packet->status, len);
- usb_packet_complete(&dev->dev, p);
+static void usbredir_buffered_bulk_packet(void *priv, uint64_t id,
+ struct usb_redir_buffered_bulk_packet_header *buffered_bulk_packet,
+ uint8_t *data, int data_len)
+{
+ USBRedirDevice *dev = priv;
+ uint8_t status, ep = buffered_bulk_packet->endpoint;
+ void *free_on_destroy;
+ int i, len;
+
+ DPRINTF("buffered-bulk-in status %d ep %02X len %d id %"PRIu64"\n",
+ buffered_bulk_packet->status, ep, data_len, id);
+
+ if (dev->endpoint[EP2I(ep)].type != USB_ENDPOINT_XFER_BULK) {
+ ERROR("received buffered-bulk packet for non bulk ep %02X\n", ep);
+ free(data);
+ return;
+ }
+
+ if (dev->endpoint[EP2I(ep)].bulk_receiving_started == 0) {
+ DPRINTF("received buffered-bulk packet on not started ep %02X\n", ep);
+ free(data);
+ return;
+ }
+
+ /* Data must be in maxp chunks for buffered_bulk_add_*_data_to_packet */
+ len = dev->endpoint[EP2I(ep)].max_packet_size;
+ status = usb_redir_success;
+ free_on_destroy = NULL;
+ for (i = 0; i < data_len; i += len) {
+ if (len >= (data_len - i)) {
+ len = data_len - i;
+ status = buffered_bulk_packet->status;
+ free_on_destroy = data;
}
+ /* bufp_alloc also adds the packet to the ep queue */
+ bufp_alloc(dev, data + i, len, status, ep, free_on_destroy);
+ }
+
+ if (dev->endpoint[EP2I(ep)].pending_async_packet) {
+ USBPacket *p = dev->endpoint[EP2I(ep)].pending_async_packet;
+ dev->endpoint[EP2I(ep)].pending_async_packet = NULL;
+ usbredir_buffered_bulk_in_complete(dev, p, ep);
+ usb_packet_complete(&dev->dev, p);
}
}
static int usbredir_post_load(void *priv, int version_id)
{
USBRedirDevice *dev = priv;
- struct USBEndpoint *usb_ep;
- int i;
+
+ if (dev->parser == NULL) {
+ return 0;
+ }
switch (dev->device_info.speed) {
case usb_redir_speed_low:
}
dev->dev.speedmask = (1 << dev->dev.speed);
- for (i = 0; i < MAX_ENDPOINTS; i++) {
- usb_ep = usb_ep_get(&dev->dev,
- (i & 0x10) ? USB_TOKEN_IN : USB_TOKEN_OUT,
- i & 0x0f);
- usb_ep->type = dev->endpoint[i].type;
- usb_ep->ifnum = dev->endpoint[i].interface;
- usb_ep->max_packet_size = dev->endpoint[i].max_packet_size;
- if (dev->endpoint[i].type == usb_redir_type_bulk) {
- usb_ep->pipeline = true;
- }
- }
+ usbredir_setup_usb_eps(dev);
+ usbredir_check_bulk_receiving(dev);
+
return 0;
}
static void usbredir_put_bufpq(QEMUFile *f, void *priv, size_t unused)
{
struct endp_data *endp = priv;
+ USBRedirDevice *dev = endp->dev;
struct buf_packet *bufp;
- int remain = endp->bufpq_size;
+ int len, i = 0;
qemu_put_be32(f, endp->bufpq_size);
QTAILQ_FOREACH(bufp, &endp->bufpq, next) {
- qemu_put_be32(f, bufp->len);
+ len = bufp->len - bufp->offset;
+ DPRINTF("put_bufpq %d/%d len %d status %d\n", i + 1, endp->bufpq_size,
+ len, bufp->status);
+ qemu_put_be32(f, len);
qemu_put_be32(f, bufp->status);
- qemu_put_buffer(f, bufp->data, bufp->len);
- remain--;
+ qemu_put_buffer(f, bufp->data + bufp->offset, len);
+ i++;
}
- assert(remain == 0);
+ assert(i == endp->bufpq_size);
}
static int usbredir_get_bufpq(QEMUFile *f, void *priv, size_t unused)
{
struct endp_data *endp = priv;
+ USBRedirDevice *dev = endp->dev;
struct buf_packet *bufp;
int i;
bufp = g_malloc(sizeof(struct buf_packet));
bufp->len = qemu_get_be32(f);
bufp->status = qemu_get_be32(f);
+ bufp->offset = 0;
bufp->data = qemu_oom_check(malloc(bufp->len)); /* regular malloc! */
+ bufp->free_on_destroy = bufp->data;
qemu_get_buffer(f, bufp->data, bufp->len);
QTAILQ_INSERT_TAIL(&endp->bufpq, bufp, next);
+ DPRINTF("get_bufpq %d/%d len %d status %d\n", i + 1, endp->bufpq_size,
+ bufp->len, bufp->status);
}
return 0;
}
/* For endp_data migration */
+static const VMStateDescription usbredir_bulk_receiving_vmstate = {
+ .name = "usb-redir-ep/bulk-receiving",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT8(bulk_receiving_started, struct endp_data),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static bool usbredir_bulk_receiving_needed(void *priv)
+{
+ struct endp_data *endp = priv;
+
+ return endp->bulk_receiving_started;
+}
+
static const VMStateDescription usbredir_ep_vmstate = {
.name = "usb-redir-ep",
.version_id = 1,
},
VMSTATE_INT32(bufpq_target_size, struct endp_data),
VMSTATE_END_OF_LIST()
+ },
+ .subsections = (VMStateSubsection[]) {
+ {
+ .vmsd = &usbredir_bulk_receiving_vmstate,
+ .needed = usbredir_bulk_receiving_needed,
+ }, {
+ /* empty */
+ }
}
};
static Property usbredir_properties[] = {
DEFINE_PROP_CHR("chardev", USBRedirDevice, cs),
- DEFINE_PROP_UINT8("debug", USBRedirDevice, debug, 0),
+ DEFINE_PROP_UINT8("debug", USBRedirDevice, debug, usbredirparser_warning),
DEFINE_PROP_STRING("filter", USBRedirDevice, filter_str),
DEFINE_PROP_INT32("bootindex", USBRedirDevice, bootindex, -1),
DEFINE_PROP_END_OF_LIST(),
uc->handle_reset = usbredir_handle_reset;
uc->handle_data = usbredir_handle_data;
uc->handle_control = usbredir_handle_control;
+ uc->flush_ep_queue = usbredir_flush_ep_queue;
+ uc->ep_stopped = usbredir_ep_stopped;
dc->vmsd = &usbredir_vmstate;
dc->props = usbredir_properties;
+ set_bit(DEVICE_CATEGORY_MISC, dc->categories);
}
-static TypeInfo usbredir_dev_info = {
+static const TypeInfo usbredir_dev_info = {
.name = "usb-redir",
.parent = TYPE_USB_DEVICE,
.instance_size = sizeof(USBRedirDevice),
projects / qemu.git / blobdiff