#include "qemu-timer.h"
#include "monitor.h"
#include "sysemu.h"
+#include "trace.h"
#include <dirent.h>
#include <sys/ioctl.h>
-#include <signal.h>
#include <linux/usbdevice_fs.h>
#include <linux/version.h>
void *data;
};
-typedef int USBScanFunc(void *opaque, int bus_num, int addr, char *port,
+typedef int USBScanFunc(void *opaque, int bus_num, int addr, const char *port,
int class_id, int vendor_id, int product_id,
const char *product_name, int speed);
/* endpoint association data */
#define ISO_FRAME_DESC_PER_URB 32
-#define ISO_URB_COUNT 3
#define INVALID_EP_TYPE 255
/* devio.c limits single requests to 16k */
int iso_urb_idx;
int iso_buffer_used;
int max_packet_size;
+ int inflight;
};
struct USBAutoFilter {
typedef struct USBHostDevice {
USBDevice dev;
int fd;
+ int hub_fd;
- uint8_t descr[1024];
+ uint8_t descr[8192];
int descr_len;
int configuration;
int ninterfaces;
int closing;
+ uint32_t iso_urb_count;
Notifier exit;
- struct endp_data endp_table[MAX_ENDPOINTS];
+ struct endp_data ep_in[MAX_ENDPOINTS];
+ struct endp_data ep_out[MAX_ENDPOINTS];
QLIST_HEAD(, AsyncURB) aurbs;
/* Host side address */
int addr;
char port[MAX_PORTLEN];
struct USBAutoFilter match;
+ int seen, errcount;
QTAILQ_ENTRY(USBHostDevice) next;
} USBHostDevice;
static void usb_host_auto_check(void *unused);
static int usb_host_read_file(char *line, size_t line_size,
const char *device_file, const char *device_name);
+static int usb_linux_update_endp_table(USBHostDevice *s);
-static int is_isoc(USBHostDevice *s, int ep)
+static struct endp_data *get_endp(USBHostDevice *s, int pid, int ep)
{
- return s->endp_table[ep - 1].type == USBDEVFS_URB_TYPE_ISO;
+ struct endp_data *eps = pid == USB_TOKEN_IN ? s->ep_in : s->ep_out;
+ assert(pid == USB_TOKEN_IN || pid == USB_TOKEN_OUT);
+ assert(ep > 0 && ep <= MAX_ENDPOINTS);
+ return eps + ep - 1;
}
-static int is_valid(USBHostDevice *s, int ep)
+static int is_isoc(USBHostDevice *s, int pid, int ep)
{
- return s->endp_table[ep - 1].type != INVALID_EP_TYPE;
+ return get_endp(s, pid, ep)->type == USBDEVFS_URB_TYPE_ISO;
}
-static int is_halted(USBHostDevice *s, int ep)
+static int is_valid(USBHostDevice *s, int pid, int ep)
{
- return s->endp_table[ep - 1].halted;
+ return get_endp(s, pid, ep)->type != INVALID_EP_TYPE;
}
-static void clear_halt(USBHostDevice *s, int ep)
+static int is_halted(USBHostDevice *s, int pid, int ep)
{
- s->endp_table[ep - 1].halted = 0;
+ return get_endp(s, pid, ep)->halted;
}
-static void set_halt(USBHostDevice *s, int ep)
+static void clear_halt(USBHostDevice *s, int pid, int ep)
{
- s->endp_table[ep - 1].halted = 1;
+ trace_usb_host_ep_clear_halt(s->bus_num, s->addr, ep);
+ get_endp(s, pid, ep)->halted = 0;
}
-static int is_iso_started(USBHostDevice *s, int ep)
+static void set_halt(USBHostDevice *s, int pid, int ep)
{
- return s->endp_table[ep - 1].iso_started;
+ if (ep != 0) {
+ trace_usb_host_ep_set_halt(s->bus_num, s->addr, ep);
+ get_endp(s, pid, ep)->halted = 1;
+ }
}
-static void clear_iso_started(USBHostDevice *s, int ep)
+static int is_iso_started(USBHostDevice *s, int pid, int ep)
{
- s->endp_table[ep - 1].iso_started = 0;
+ return get_endp(s, pid, ep)->iso_started;
}
-static void set_iso_started(USBHostDevice *s, int ep)
+static void clear_iso_started(USBHostDevice *s, int pid, int ep)
{
- s->endp_table[ep - 1].iso_started = 1;
+ trace_usb_host_ep_stop_iso(s->bus_num, s->addr, ep);
+ get_endp(s, pid, ep)->iso_started = 0;
}
-static void set_iso_urb(USBHostDevice *s, int ep, AsyncURB *iso_urb)
+static void set_iso_started(USBHostDevice *s, int pid, int ep)
{
- s->endp_table[ep - 1].iso_urb = iso_urb;
+ struct endp_data *e = get_endp(s, pid, ep);
+
+ trace_usb_host_ep_start_iso(s->bus_num, s->addr, ep);
+ if (!e->iso_started) {
+ e->iso_started = 1;
+ e->inflight = 0;
+ }
}
-static AsyncURB *get_iso_urb(USBHostDevice *s, int ep)
+static int change_iso_inflight(USBHostDevice *s, int pid, int ep, int value)
{
- return s->endp_table[ep - 1].iso_urb;
+ struct endp_data *e = get_endp(s, pid, ep);
+
+ e->inflight += value;
+ return e->inflight;
}
-static void set_iso_urb_idx(USBHostDevice *s, int ep, int i)
+static void set_iso_urb(USBHostDevice *s, int pid, int ep, AsyncURB *iso_urb)
{
- s->endp_table[ep - 1].iso_urb_idx = i;
+ get_endp(s, pid, ep)->iso_urb = iso_urb;
}
-static int get_iso_urb_idx(USBHostDevice *s, int ep)
+static AsyncURB *get_iso_urb(USBHostDevice *s, int pid, int ep)
{
- return s->endp_table[ep - 1].iso_urb_idx;
+ return get_endp(s, pid, ep)->iso_urb;
}
-static void set_iso_buffer_used(USBHostDevice *s, int ep, int i)
+static void set_iso_urb_idx(USBHostDevice *s, int pid, int ep, int i)
{
- s->endp_table[ep - 1].iso_buffer_used = i;
+ get_endp(s, pid, ep)->iso_urb_idx = i;
}
-static int get_iso_buffer_used(USBHostDevice *s, int ep)
+static int get_iso_urb_idx(USBHostDevice *s, int pid, int ep)
{
- return s->endp_table[ep - 1].iso_buffer_used;
+ return get_endp(s, pid, ep)->iso_urb_idx;
}
-static void set_max_packet_size(USBHostDevice *s, int ep, uint8_t *descriptor)
+static void set_iso_buffer_used(USBHostDevice *s, int pid, int ep, int i)
+{
+ get_endp(s, pid, ep)->iso_buffer_used = i;
+}
+
+static int get_iso_buffer_used(USBHostDevice *s, int pid, int ep)
+{
+ return get_endp(s, pid, ep)->iso_buffer_used;
+}
+
+static void set_max_packet_size(USBHostDevice *s, int pid, int ep,
+ uint8_t *descriptor)
{
int raw = descriptor[4] + (descriptor[5] << 8);
int size, microframes;
case 2: microframes = 3; break;
default: microframes = 1; break;
}
- DPRINTF("husb: max packet size: 0x%x -> %d x %d\n",
- raw, microframes, size);
- s->endp_table[ep - 1].max_packet_size = size * microframes;
+ get_endp(s, pid, ep)->max_packet_size = size * microframes;
}
-static int get_max_packet_size(USBHostDevice *s, int ep)
+static int get_max_packet_size(USBHostDevice *s, int pid, int ep)
{
- return s->endp_table[ep - 1].max_packet_size;
+ return get_endp(s, pid, ep)->max_packet_size;
}
/*
static AsyncURB *async_alloc(USBHostDevice *s)
{
- AsyncURB *aurb = qemu_mallocz(sizeof(AsyncURB));
+ AsyncURB *aurb = g_malloc0(sizeof(AsyncURB));
aurb->hdev = s;
QLIST_INSERT_HEAD(&s->aurbs, aurb, next);
return aurb;
static void async_free(AsyncURB *aurb)
{
QLIST_REMOVE(aurb, next);
- qemu_free(aurb);
+ g_free(aurb);
+}
+
+static void do_disconnect(USBHostDevice *s)
+{
+ usb_host_close(s);
+ usb_host_auto_check(NULL);
}
static void async_complete(void *opaque)
{
USBHostDevice *s = opaque;
AsyncURB *aurb;
+ int urbs = 0;
while (1) {
USBPacket *p;
int r = ioctl(s->fd, USBDEVFS_REAPURBNDELAY, &aurb);
if (r < 0) {
if (errno == EAGAIN) {
+ if (urbs > 2) {
+ fprintf(stderr, "husb: %d iso urbs finished at once\n", urbs);
+ }
return;
}
- if (errno == ENODEV && !s->closing) {
- printf("husb: device %d.%d disconnected\n",
- s->bus_num, s->addr);
- usb_host_close(s);
- usb_host_auto_check(NULL);
+ if (errno == ENODEV) {
+ if (!s->closing) {
+ trace_usb_host_disconnect(s->bus_num, s->addr);
+ do_disconnect(s);
+ }
return;
}
- DPRINTF("husb: async. reap urb failed errno %d\n", errno);
+ perror("USBDEVFS_REAPURBNDELAY");
return;
}
/* If this is a buffered iso urb mark it as complete and don't do
anything else (it is handled further in usb_host_handle_iso_data) */
if (aurb->iso_frame_idx == -1) {
+ int inflight;
+ int pid = (aurb->urb.endpoint & USB_DIR_IN) ?
+ USB_TOKEN_IN : USB_TOKEN_OUT;
+ int ep = aurb->urb.endpoint & 0xf;
if (aurb->urb.status == -EPIPE) {
- set_halt(s, aurb->urb.endpoint & 0xf);
+ set_halt(s, pid, ep);
}
aurb->iso_frame_idx = 0;
+ urbs++;
+ inflight = change_iso_inflight(s, pid, ep, -1);
+ if (inflight == 0 && is_iso_started(s, pid, ep)) {
+ fprintf(stderr, "husb: out of buffers for iso stream\n");
+ }
continue;
}
p = aurb->packet;
+ trace_usb_host_urb_complete(s->bus_num, s->addr, aurb, aurb->urb.status,
+ aurb->urb.actual_length, aurb->more);
if (p) {
switch (aurb->urb.status) {
case 0:
- p->len += aurb->urb.actual_length;
+ p->result += aurb->urb.actual_length;
break;
case -EPIPE:
- set_halt(s, p->devep);
- p->len = USB_RET_STALL;
+ set_halt(s, p->pid, p->devep);
+ p->result = USB_RET_STALL;
break;
default:
- p->len = USB_RET_NAK;
+ p->result = USB_RET_NAK;
break;
}
if (aurb->urb.type == USBDEVFS_URB_TYPE_CONTROL) {
+ trace_usb_host_req_complete(s->bus_num, s->addr, p->result);
usb_generic_async_ctrl_complete(&s->dev, p);
} else if (!aurb->more) {
+ trace_usb_host_req_complete(s->bus_num, s->addr, p->result);
usb_packet_complete(&s->dev, p);
}
}
}
}
+static int usb_host_claim_port(USBHostDevice *s)
+{
+#ifdef USBDEVFS_CLAIM_PORT
+ char *h, hub_name[64], line[1024];
+ int hub_addr, portnr, ret;
+
+ snprintf(hub_name, sizeof(hub_name), "%d-%s",
+ s->match.bus_num, s->match.port);
+
+ /* try strip off last ".$portnr" to get hub */
+ h = strrchr(hub_name, '.');
+ if (h != NULL) {
+ portnr = atoi(h+1);
+ *h = '\0';
+ } else {
+ /* no dot in there -> it is the root hub */
+ snprintf(hub_name, sizeof(hub_name), "usb%d",
+ s->match.bus_num);
+ portnr = atoi(s->match.port);
+ }
+
+ if (!usb_host_read_file(line, sizeof(line), "devnum",
+ hub_name)) {
+ return -1;
+ }
+ if (sscanf(line, "%d", &hub_addr) != 1) {
+ return -1;
+ }
+
+ if (!usb_host_device_path) {
+ return -1;
+ }
+ snprintf(line, sizeof(line), "%s/%03d/%03d",
+ usb_host_device_path, s->match.bus_num, hub_addr);
+ s->hub_fd = open(line, O_RDWR | O_NONBLOCK);
+ if (s->hub_fd < 0) {
+ return -1;
+ }
+
+ ret = ioctl(s->hub_fd, USBDEVFS_CLAIM_PORT, &portnr);
+ if (ret < 0) {
+ close(s->hub_fd);
+ s->hub_fd = -1;
+ return -1;
+ }
+
+ trace_usb_host_claim_port(s->match.bus_num, hub_addr, portnr);
+ return 0;
+#else
+ return -1;
+#endif
+}
+
+static int usb_host_disconnect_ifaces(USBHostDevice *dev, int nb_interfaces)
+{
+ /* earlier Linux 2.4 do not support that */
+#ifdef USBDEVFS_DISCONNECT
+ struct usbdevfs_ioctl ctrl;
+ int ret, interface;
+
+ for (interface = 0; interface < nb_interfaces; interface++) {
+ ctrl.ioctl_code = USBDEVFS_DISCONNECT;
+ ctrl.ifno = interface;
+ ctrl.data = 0;
+ ret = ioctl(dev->fd, USBDEVFS_IOCTL, &ctrl);
+ if (ret < 0 && errno != ENODATA) {
+ perror("USBDEVFS_DISCONNECT");
+ return -1;
+ }
+ }
+#endif
+ return 0;
+}
+
+static int usb_linux_get_num_interfaces(USBHostDevice *s)
+{
+ char device_name[64], line[1024];
+ int num_interfaces = 0;
+
+ if (usb_fs_type != USB_FS_SYS) {
+ return -1;
+ }
+
+ sprintf(device_name, "%d-%s", s->bus_num, s->port);
+ if (!usb_host_read_file(line, sizeof(line), "bNumInterfaces",
+ device_name)) {
+ return -1;
+ }
+ if (sscanf(line, "%d", &num_interfaces) != 1) {
+ return -1;
+ }
+ return num_interfaces;
+}
+
static int usb_host_claim_interfaces(USBHostDevice *dev, int configuration)
{
+ const char *op = NULL;
int dev_descr_len, config_descr_len;
int interface, nb_interfaces;
int ret, i;
- if (configuration == 0) /* address state - ignore */
+ if (configuration == 0) { /* address state - ignore */
+ dev->ninterfaces = 0;
+ dev->configuration = 0;
return 1;
+ }
DPRINTF("husb: claiming interfaces. config %d\n", configuration);
i = 0;
dev_descr_len = dev->descr[0];
if (dev_descr_len > dev->descr_len) {
- goto fail;
+ fprintf(stderr, "husb: update iface failed. descr too short\n");
+ return 0;
}
i += dev_descr_len;
}
config_descr_len = dev->descr[i];
- printf("husb: config #%d need %d\n", dev->descr[i + 5], configuration);
+ DPRINTF("husb: config #%d need %d\n", dev->descr[i + 5], configuration);
- if (configuration < 0 || configuration == dev->descr[i + 5]) {
+ if (configuration == dev->descr[i + 5]) {
configuration = dev->descr[i + 5];
break;
}
if (i >= dev->descr_len) {
fprintf(stderr,
"husb: update iface failed. no matching configuration\n");
- goto fail;
+ return 0;
}
nb_interfaces = dev->descr[i + 4];
-#ifdef USBDEVFS_DISCONNECT
- /* earlier Linux 2.4 do not support that */
- {
- struct usbdevfs_ioctl ctrl;
- for (interface = 0; interface < nb_interfaces; interface++) {
- ctrl.ioctl_code = USBDEVFS_DISCONNECT;
- ctrl.ifno = interface;
- ctrl.data = 0;
- ret = ioctl(dev->fd, USBDEVFS_IOCTL, &ctrl);
- if (ret < 0 && errno != ENODATA) {
- perror("USBDEVFS_DISCONNECT");
- goto fail;
- }
- }
+ if (usb_host_disconnect_ifaces(dev, nb_interfaces) < 0) {
+ goto fail;
}
-#endif
/* XXX: only grab if all interfaces are free */
for (interface = 0; interface < nb_interfaces; interface++) {
+ op = "USBDEVFS_CLAIMINTERFACE";
ret = ioctl(dev->fd, USBDEVFS_CLAIMINTERFACE, &interface);
if (ret < 0) {
- if (errno == EBUSY) {
- printf("husb: update iface. device already grabbed\n");
- } else {
- perror("husb: failed to claim interface");
- }
- fail:
- return 0;
+ goto fail;
}
}
- printf("husb: %d interfaces claimed for configuration %d\n",
- nb_interfaces, configuration);
+ trace_usb_host_claim_interfaces(dev->bus_num, dev->addr,
+ nb_interfaces, configuration);
dev->ninterfaces = nb_interfaces;
dev->configuration = configuration;
return 1;
+
+fail:
+ if (errno == ENODEV) {
+ do_disconnect(dev);
+ }
+ perror(op);
+ return 0;
}
static int usb_host_release_interfaces(USBHostDevice *s)
{
int ret, i;
- DPRINTF("husb: releasing interfaces\n");
+ trace_usb_host_release_interfaces(s->bus_num, s->addr);
for (i = 0; i < s->ninterfaces; i++) {
ret = ioctl(s->fd, USBDEVFS_RELEASEINTERFACE, &i);
if (ret < 0) {
- perror("husb: failed to release interface");
+ perror("USBDEVFS_RELEASEINTERFACE");
return 0;
}
}
-
return 1;
}
{
USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev);
- DPRINTF("husb: reset device %u.%u\n", s->bus_num, s->addr);
+ trace_usb_host_reset(s->bus_num, s->addr);
ioctl(s->fd, USBDEVFS_RESET);
- usb_host_claim_interfaces(s, s->configuration);
+ usb_host_claim_interfaces(s, 0);
+ usb_linux_update_endp_table(s);
}
static void usb_host_handle_destroy(USBDevice *dev)
USBHostDevice *s = (USBHostDevice *)dev;
usb_host_close(s);
+ if (s->hub_fd != -1) {
+ close(s->hub_fd);
+ }
QTAILQ_REMOVE(&hostdevs, s, next);
qemu_remove_exit_notifier(&s->exit);
}
-static int usb_linux_update_endp_table(USBHostDevice *s);
-
/* iso data is special, we need to keep enough urbs in flight to make sure
that the controller never runs out of them, otherwise the device will
likely suffer a buffer underrun / overrun. */
-static AsyncURB *usb_host_alloc_iso(USBHostDevice *s, uint8_t ep, int in)
+static AsyncURB *usb_host_alloc_iso(USBHostDevice *s, int pid, uint8_t ep)
{
AsyncURB *aurb;
- int i, j, len = get_max_packet_size(s, ep);
+ int i, j, len = get_max_packet_size(s, pid, ep);
- aurb = qemu_mallocz(ISO_URB_COUNT * sizeof(*aurb));
- for (i = 0; i < ISO_URB_COUNT; i++) {
+ aurb = g_malloc0(s->iso_urb_count * sizeof(*aurb));
+ for (i = 0; i < s->iso_urb_count; i++) {
aurb[i].urb.endpoint = ep;
aurb[i].urb.buffer_length = ISO_FRAME_DESC_PER_URB * len;
- aurb[i].urb.buffer = qemu_malloc(aurb[i].urb.buffer_length);
+ aurb[i].urb.buffer = g_malloc(aurb[i].urb.buffer_length);
aurb[i].urb.type = USBDEVFS_URB_TYPE_ISO;
aurb[i].urb.flags = USBDEVFS_URB_ISO_ASAP;
aurb[i].urb.number_of_packets = ISO_FRAME_DESC_PER_URB;
for (j = 0 ; j < ISO_FRAME_DESC_PER_URB; j++)
aurb[i].urb.iso_frame_desc[j].length = len;
- if (in) {
+ if (pid == USB_TOKEN_IN) {
aurb[i].urb.endpoint |= 0x80;
/* Mark as fully consumed (idle) */
aurb[i].iso_frame_idx = ISO_FRAME_DESC_PER_URB;
}
}
- set_iso_urb(s, ep, aurb);
+ set_iso_urb(s, pid, ep, aurb);
return aurb;
}
-static void usb_host_stop_n_free_iso(USBHostDevice *s, uint8_t ep)
+static void usb_host_stop_n_free_iso(USBHostDevice *s, int pid, uint8_t ep)
{
AsyncURB *aurb;
int i, ret, killed = 0, free = 1;
- aurb = get_iso_urb(s, ep);
+ aurb = get_iso_urb(s, pid, ep);
if (!aurb) {
return;
}
- for (i = 0; i < ISO_URB_COUNT; i++) {
+ for (i = 0; i < s->iso_urb_count; i++) {
/* in flight? */
if (aurb[i].iso_frame_idx == -1) {
ret = ioctl(s->fd, USBDEVFS_DISCARDURB, &aurb[i]);
if (ret < 0) {
- printf("husb: discard isoc in urb failed errno %d\n", errno);
+ perror("USBDEVFS_DISCARDURB");
free = 0;
continue;
}
async_complete(s);
}
- for (i = 0; i < ISO_URB_COUNT; i++) {
- qemu_free(aurb[i].urb.buffer);
+ for (i = 0; i < s->iso_urb_count; i++) {
+ g_free(aurb[i].urb.buffer);
}
if (free)
- qemu_free(aurb);
+ g_free(aurb);
else
printf("husb: leaking iso urbs because of discard failure\n");
- set_iso_urb(s, ep, NULL);
- set_iso_urb_idx(s, ep, 0);
- clear_iso_started(s, ep);
+ set_iso_urb(s, pid, ep, NULL);
+ set_iso_urb_idx(s, pid, ep, 0);
+ clear_iso_started(s, pid, ep);
}
static int urb_status_to_usb_ret(int status)
{
AsyncURB *aurb;
int i, j, ret, max_packet_size, offset, len = 0;
+ uint8_t *buf;
- max_packet_size = get_max_packet_size(s, p->devep);
+ max_packet_size = get_max_packet_size(s, p->pid, p->devep);
if (max_packet_size == 0)
return USB_RET_NAK;
- aurb = get_iso_urb(s, p->devep);
+ aurb = get_iso_urb(s, p->pid, p->devep);
if (!aurb) {
- aurb = usb_host_alloc_iso(s, p->devep, in);
+ aurb = usb_host_alloc_iso(s, p->pid, p->devep);
}
- i = get_iso_urb_idx(s, p->devep);
+ i = get_iso_urb_idx(s, p->pid, p->devep);
j = aurb[i].iso_frame_idx;
if (j >= 0 && j < ISO_FRAME_DESC_PER_URB) {
if (in) {
len = urb_status_to_usb_ret(
aurb[i].urb.iso_frame_desc[j].status);
/* Check the frame fits */
- } else if (aurb[i].urb.iso_frame_desc[j].actual_length > p->len) {
+ } else if (aurb[i].urb.iso_frame_desc[j].actual_length
+ > p->iov.size) {
printf("husb: received iso data is larger then packet\n");
len = USB_RET_NAK;
/* All good copy data over */
} else {
len = aurb[i].urb.iso_frame_desc[j].actual_length;
- memcpy(p->data,
- aurb[i].urb.buffer +
- j * aurb[i].urb.iso_frame_desc[0].length,
- len);
+ buf = aurb[i].urb.buffer +
+ j * aurb[i].urb.iso_frame_desc[0].length;
+ usb_packet_copy(p, buf, len);
}
} else {
- len = p->len;
- offset = (j == 0) ? 0 : get_iso_buffer_used(s, p->devep);
+ len = p->iov.size;
+ offset = (j == 0) ? 0 : get_iso_buffer_used(s, p->pid, p->devep);
/* Check the frame fits */
if (len > max_packet_size) {
}
/* All good copy data over */
- memcpy(aurb[i].urb.buffer + offset, p->data, len);
+ usb_packet_copy(p, aurb[i].urb.buffer + offset, len);
aurb[i].urb.iso_frame_desc[j].length = len;
offset += len;
- set_iso_buffer_used(s, p->devep, offset);
+ set_iso_buffer_used(s, p->pid, p->devep, offset);
/* Start the stream once we have buffered enough data */
- if (!is_iso_started(s, p->devep) && i == 1 && j == 8) {
- set_iso_started(s, p->devep);
+ if (!is_iso_started(s, p->pid, p->devep) && i == 1 && j == 8) {
+ set_iso_started(s, p->pid, p->devep);
}
}
aurb[i].iso_frame_idx++;
if (aurb[i].iso_frame_idx == ISO_FRAME_DESC_PER_URB) {
- i = (i + 1) % ISO_URB_COUNT;
- set_iso_urb_idx(s, p->devep, i);
+ i = (i + 1) % s->iso_urb_count;
+ set_iso_urb_idx(s, p->pid, p->devep, i);
}
} else {
if (in) {
- set_iso_started(s, p->devep);
+ set_iso_started(s, p->pid, p->devep);
} else {
DPRINTF("hubs: iso out error no free buffer, dropping packet\n");
}
}
- if (is_iso_started(s, p->devep)) {
+ if (is_iso_started(s, p->pid, p->devep)) {
/* (Re)-submit all fully consumed / filled urbs */
- for (i = 0; i < ISO_URB_COUNT; i++) {
+ for (i = 0; i < s->iso_urb_count; i++) {
if (aurb[i].iso_frame_idx == ISO_FRAME_DESC_PER_URB) {
ret = ioctl(s->fd, USBDEVFS_SUBMITURB, &aurb[i]);
if (ret < 0) {
- printf("husb error submitting iso urb %d: %d\n", i, errno);
+ perror("USBDEVFS_SUBMITURB");
if (!in || len == 0) {
switch(errno) {
case ETIMEDOUT:
break;
}
aurb[i].iso_frame_idx = -1;
+ change_iso_inflight(s, p->pid, p->devep, 1);
}
}
}
USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev);
struct usbdevfs_urb *urb;
AsyncURB *aurb;
- int ret, rem;
+ int ret, rem, prem, v;
uint8_t *pbuf;
uint8_t ep;
- if (!is_valid(s, p->devep)) {
+ trace_usb_host_req_data(s->bus_num, s->addr,
+ p->pid == USB_TOKEN_IN,
+ p->devep, p->iov.size);
+
+ if (!is_valid(s, p->pid, p->devep)) {
+ trace_usb_host_req_complete(s->bus_num, s->addr, USB_RET_NAK);
return USB_RET_NAK;
}
ep = p->devep;
}
- if (is_halted(s, p->devep)) {
- ret = ioctl(s->fd, USBDEVFS_CLEAR_HALT, &ep);
+ if (is_halted(s, p->pid, p->devep)) {
+ unsigned int arg = ep;
+ ret = ioctl(s->fd, USBDEVFS_CLEAR_HALT, &arg);
if (ret < 0) {
- DPRINTF("husb: failed to clear halt. ep 0x%x errno %d\n",
- ep, errno);
+ perror("USBDEVFS_CLEAR_HALT");
+ trace_usb_host_req_complete(s->bus_num, s->addr, USB_RET_NAK);
return USB_RET_NAK;
}
- clear_halt(s, p->devep);
+ clear_halt(s, p->pid, p->devep);
}
- if (is_isoc(s, p->devep)) {
+ if (is_isoc(s, p->pid, p->devep)) {
return usb_host_handle_iso_data(s, p, p->pid == USB_TOKEN_IN);
}
- rem = p->len;
- pbuf = p->data;
- p->len = 0;
+ v = 0;
+ prem = p->iov.iov[v].iov_len;
+ pbuf = p->iov.iov[v].iov_base;
+ rem = p->iov.size;
while (rem) {
+ if (prem == 0) {
+ v++;
+ assert(v < p->iov.niov);
+ prem = p->iov.iov[v].iov_len;
+ pbuf = p->iov.iov[v].iov_base;
+ assert(prem <= rem);
+ }
aurb = async_alloc(s);
aurb->packet = p;
urb->type = USBDEVFS_URB_TYPE_BULK;
urb->usercontext = s;
urb->buffer = pbuf;
+ urb->buffer_length = prem;
- if (rem > MAX_USBFS_BUFFER_SIZE) {
+ if (urb->buffer_length > MAX_USBFS_BUFFER_SIZE) {
urb->buffer_length = MAX_USBFS_BUFFER_SIZE;
- aurb->more = 1;
- } else {
- urb->buffer_length = rem;
- aurb->more = 0;
}
pbuf += urb->buffer_length;
+ prem -= urb->buffer_length;
rem -= urb->buffer_length;
+ if (rem) {
+ aurb->more = 1;
+ }
+ trace_usb_host_urb_submit(s->bus_num, s->addr, aurb,
+ urb->buffer_length, aurb->more);
ret = ioctl(s->fd, USBDEVFS_SUBMITURB, urb);
DPRINTF("husb: data submit: ep 0x%x, len %u, more %d, packet %p, aurb %p\n",
urb->endpoint, urb->buffer_length, aurb->more, p, aurb);
if (ret < 0) {
- DPRINTF("husb: submit failed. errno %d\n", errno);
+ perror("USBDEVFS_SUBMITURB");
async_free(aurb);
switch(errno) {
case ETIMEDOUT:
+ trace_usb_host_req_complete(s->bus_num, s->addr, USB_RET_NAK);
return USB_RET_NAK;
case EPIPE:
default:
+ trace_usb_host_req_complete(s->bus_num, s->addr, USB_RET_STALL);
return USB_RET_STALL;
}
}
static int usb_host_set_address(USBHostDevice *s, int addr)
{
- DPRINTF("husb: ctrl set addr %u\n", addr);
+ trace_usb_host_set_address(s->bus_num, s->addr, addr);
s->dev.addr = addr;
return 0;
}
static int usb_host_set_config(USBHostDevice *s, int config)
{
+ int ret, first = 1;
+
+ trace_usb_host_set_config(s->bus_num, s->addr, config);
+
usb_host_release_interfaces(s);
- int ret = ioctl(s->fd, USBDEVFS_SETCONFIGURATION, &config);
+again:
+ ret = ioctl(s->fd, USBDEVFS_SETCONFIGURATION, &config);
DPRINTF("husb: ctrl set config %d ret %d errno %d\n", config, ret, errno);
+ if (ret < 0 && errno == EBUSY && first) {
+ /* happens if usb device is in use by host drivers */
+ int count = usb_linux_get_num_interfaces(s);
+ if (count > 0) {
+ DPRINTF("husb: busy -> disconnecting %d interfaces\n", count);
+ usb_host_disconnect_ifaces(s, count);
+ first = 0;
+ goto again;
+ }
+ }
+
if (ret < 0) {
return ctrl_error();
}
usb_host_claim_interfaces(s, config);
+ usb_linux_update_endp_table(s);
return 0;
}
struct usbdevfs_setinterface si;
int i, ret;
+ trace_usb_host_set_interface(s->bus_num, s->addr, iface, alt);
+
for (i = 1; i <= MAX_ENDPOINTS; i++) {
- if (is_isoc(s, i)) {
- usb_host_stop_n_free_iso(s, i);
+ if (is_isoc(s, USB_TOKEN_IN, i)) {
+ usb_host_stop_n_free_iso(s, USB_TOKEN_IN, i);
+ }
+ if (is_isoc(s, USB_TOKEN_OUT, i)) {
+ usb_host_stop_n_free_iso(s, USB_TOKEN_OUT, i);
}
}
*/
/* Note request is (bRequestType << 8) | bRequest */
- DPRINTF("husb: ctrl type 0x%x req 0x%x val 0x%x index %u len %u\n",
- request >> 8, request & 0xff, value, index, length);
+ trace_usb_host_req_control(s->bus_num, s->addr, request, value, index);
switch (request) {
case DeviceOutRequest | USB_REQ_SET_ADDRESS:
urb->usercontext = s;
+ trace_usb_host_urb_submit(s->bus_num, s->addr, aurb,
+ urb->buffer_length, aurb->more);
ret = ioctl(s->fd, USBDEVFS_SUBMITURB, urb);
DPRINTF("husb: submit ctrl. len %u aurb %p\n", urb->buffer_length, aurb);
return USB_RET_ASYNC;
}
-static int usb_linux_get_configuration(USBHostDevice *s)
-{
- uint8_t configuration;
- struct usb_ctrltransfer ct;
- int ret;
-
- if (usb_fs_type == USB_FS_SYS) {
- char device_name[32], line[1024];
- int configuration;
-
- sprintf(device_name, "%d-%s", s->bus_num, s->port);
-
- if (!usb_host_read_file(line, sizeof(line), "bConfigurationValue",
- device_name)) {
- goto usbdevfs;
- }
- if (sscanf(line, "%d", &configuration) != 1) {
- goto usbdevfs;
- }
- return configuration;
- }
-
-usbdevfs:
- ct.bRequestType = USB_DIR_IN;
- ct.bRequest = USB_REQ_GET_CONFIGURATION;
- ct.wValue = 0;
- ct.wIndex = 0;
- ct.wLength = 1;
- ct.data = &configuration;
- ct.timeout = 50;
-
- ret = ioctl(s->fd, USBDEVFS_CONTROL, &ct);
- if (ret < 0) {
- perror("usb_linux_get_configuration");
- return -1;
- }
-
- /* in address state */
- if (configuration == 0) {
- return -1;
- }
-
- return configuration;
-}
-
static uint8_t usb_linux_get_alt_setting(USBHostDevice *s,
uint8_t configuration, uint8_t interface)
{
static int usb_linux_update_endp_table(USBHostDevice *s)
{
uint8_t *descriptors;
- uint8_t devep, type, configuration, alt_interface;
- int interface, length, i;
+ uint8_t devep, type, alt_interface;
+ int interface, length, i, ep, pid;
+ struct endp_data *epd;
- for (i = 0; i < MAX_ENDPOINTS; i++)
- s->endp_table[i].type = INVALID_EP_TYPE;
+ for (i = 0; i < MAX_ENDPOINTS; i++) {
+ s->ep_in[i].type = INVALID_EP_TYPE;
+ s->ep_out[i].type = INVALID_EP_TYPE;
+ }
- i = usb_linux_get_configuration(s);
- if (i < 0)
- return 1;
- configuration = i;
+ if (s->configuration == 0) {
+ /* not configured yet -- leave all endpoints disabled */
+ return 0;
+ }
/* get the desired configuration, interface, and endpoint descriptors
* from device description */
i = 0;
if (descriptors[i + 1] != USB_DT_CONFIG ||
- descriptors[i + 5] != configuration) {
- DPRINTF("invalid descriptor data - configuration\n");
+ descriptors[i + 5] != s->configuration) {
+ fprintf(stderr, "invalid descriptor data - configuration %d\n",
+ s->configuration);
return 1;
}
i += descriptors[i];
}
interface = descriptors[i + 2];
- alt_interface = usb_linux_get_alt_setting(s, configuration, interface);
+ alt_interface = usb_linux_get_alt_setting(s, s->configuration,
+ interface);
/* the current interface descriptor is the active interface
* and has endpoints */
}
devep = descriptors[i + 2];
+ pid = (devep & USB_DIR_IN) ? USB_TOKEN_IN : USB_TOKEN_OUT;
+ ep = devep & 0xf;
+ if (ep == 0) {
+ fprintf(stderr, "usb-linux: invalid ep descriptor, ep == 0\n");
+ return 1;
+ }
+
switch (descriptors[i + 3] & 0x3) {
case 0x00:
type = USBDEVFS_URB_TYPE_CONTROL;
break;
case 0x01:
type = USBDEVFS_URB_TYPE_ISO;
- set_max_packet_size(s, (devep & 0xf), descriptors + i);
+ set_max_packet_size(s, pid, ep, descriptors + i);
break;
case 0x02:
type = USBDEVFS_URB_TYPE_BULK;
DPRINTF("usb_host: malformed endpoint type\n");
type = USBDEVFS_URB_TYPE_BULK;
}
- s->endp_table[(devep & 0xf) - 1].type = type;
- s->endp_table[(devep & 0xf) - 1].halted = 0;
+ epd = get_endp(s, pid, ep);
+ assert(epd->type == INVALID_EP_TYPE);
+ epd->type = type;
+ epd->halted = 0;
i += descriptors[i];
}
return 0;
}
+/*
+ * Check if we can safely redirect a usb2 device to a usb1 virtual controller,
+ * this function assumes this is safe, if:
+ * 1) There are no isoc endpoints
+ * 2) There are no interrupt endpoints with a max_packet_size > 64
+ * Note bulk endpoints with a max_packet_size > 64 in theory also are not
+ * usb1 compatible, but in practice this seems to work fine.
+ */
+static int usb_linux_full_speed_compat(USBHostDevice *dev)
+{
+ int i, packet_size;
+
+ /*
+ * usb_linux_update_endp_table only registers info about ep in the current
+ * interface altsettings, so we need to parse the descriptors again.
+ */
+ for (i = 0; (i + 5) < dev->descr_len; i += dev->descr[i]) {
+ if (dev->descr[i + 1] == USB_DT_ENDPOINT) {
+ switch (dev->descr[i + 3] & 0x3) {
+ case 0x00: /* CONTROL */
+ break;
+ case 0x01: /* ISO */
+ return 0;
+ case 0x02: /* BULK */
+ break;
+ case 0x03: /* INTERRUPT */
+ packet_size = dev->descr[i + 4] + (dev->descr[i + 5] << 8);
+ if (packet_size > 64)
+ return 0;
+ break;
+ }
+ }
+ }
+ return 1;
+}
+
static int usb_host_open(USBHostDevice *dev, int bus_num,
- int addr, char *port, const char *prod_name)
+ int addr, const char *port,
+ const char *prod_name, int speed)
{
int fd = -1, ret;
- struct usbdevfs_connectinfo ci;
char buf[1024];
+ trace_usb_host_open_started(bus_num, addr);
+
if (dev->fd != -1) {
goto fail;
}
- printf("husb: open device %d.%d\n", bus_num, addr);
if (!usb_host_device_path) {
perror("husb: USB Host Device Path not set");
#endif
- /*
- * Initial configuration is -1 which makes us claim first
- * available config. We used to start with 1, which does not
- * always work. I've seen devices where first config starts
- * with 2.
- */
- if (!usb_host_claim_interfaces(dev, -1)) {
+ /* start unconfigured -- we'll wait for the guest to set a configuration */
+ if (!usb_host_claim_interfaces(dev, 0)) {
goto fail;
}
- ret = ioctl(fd, USBDEVFS_CONNECTINFO, &ci);
- if (ret < 0) {
- perror("usb_host_device_open: USBDEVFS_CONNECTINFO");
- goto fail;
- }
-
- printf("husb: grabbed usb device %d.%d\n", bus_num, addr);
-
ret = usb_linux_update_endp_table(dev);
if (ret) {
goto fail;
}
- if (ci.slow) {
- dev->dev.speed = USB_SPEED_LOW;
- } else {
- dev->dev.speed = USB_SPEED_HIGH;
+ if (speed == -1) {
+ struct usbdevfs_connectinfo ci;
+
+ ret = ioctl(fd, USBDEVFS_CONNECTINFO, &ci);
+ if (ret < 0) {
+ perror("usb_host_device_open: USBDEVFS_CONNECTINFO");
+ goto fail;
+ }
+
+ if (ci.slow) {
+ speed = USB_SPEED_LOW;
+ } else {
+ speed = USB_SPEED_HIGH;
+ }
+ }
+ dev->dev.speed = speed;
+ dev->dev.speedmask = (1 << speed);
+ if (dev->dev.speed == USB_SPEED_HIGH && usb_linux_full_speed_compat(dev)) {
+ dev->dev.speedmask |= USB_SPEED_MASK_FULL;
}
+ trace_usb_host_open_success(bus_num, addr);
+
if (!prod_name || prod_name[0] == '\0') {
snprintf(dev->dev.product_desc, sizeof(dev->dev.product_desc),
"host:%d.%d", bus_num, addr);
prod_name);
}
+ ret = usb_device_attach(&dev->dev);
+ if (ret) {
+ goto fail;
+ }
+
/* USB devio uses 'write' flag to check for async completions */
qemu_set_fd_handler(dev->fd, NULL, async_complete, dev);
- usb_device_attach(&dev->dev);
return 0;
fail:
- dev->fd = -1;
- if (fd != -1) {
- close(fd);
+ trace_usb_host_open_failure(bus_num, addr);
+ if (dev->fd != -1) {
+ close(dev->fd);
+ dev->fd = -1;
}
return -1;
}
return -1;
}
+ trace_usb_host_close(dev->bus_num, dev->addr);
+
qemu_set_fd_handler(dev->fd, NULL, NULL, NULL);
dev->closing = 1;
for (i = 1; i <= MAX_ENDPOINTS; i++) {
- if (is_isoc(dev, i)) {
- usb_host_stop_n_free_iso(dev, i);
+ if (is_isoc(dev, USB_TOKEN_IN, i)) {
+ usb_host_stop_n_free_iso(dev, USB_TOKEN_IN, i);
+ }
+ if (is_isoc(dev, USB_TOKEN_OUT, i)) {
+ usb_host_stop_n_free_iso(dev, USB_TOKEN_OUT, i);
}
}
async_complete(dev);
dev->closing = 0;
- usb_device_detach(&dev->dev);
+ if (dev->dev.attached) {
+ usb_device_detach(&dev->dev);
+ }
ioctl(dev->fd, USBDEVFS_RESET);
close(dev->fd);
dev->fd = -1;
return 0;
}
-static void usb_host_exit_notifier(struct Notifier* n)
+static void usb_host_exit_notifier(struct Notifier *n, void *data)
{
USBHostDevice *s = container_of(n, USBHostDevice, exit);
dev->auto_attach = 0;
s->fd = -1;
+ s->hub_fd = -1;
+
QTAILQ_INSERT_TAIL(&hostdevs, s, next);
s->exit.notify = usb_host_exit_notifier;
qemu_add_exit_notifier(&s->exit);
usb_host_auto_check(NULL);
+
+ if (s->match.bus_num != 0 && s->match.port != NULL) {
+ usb_host_claim_port(s);
+ }
return 0;
}
+static const VMStateDescription vmstate_usb_host = {
+ .name = "usb-host",
+ .unmigratable = 1,
+};
+
static struct USBDeviceInfo usb_host_dev_info = {
.product_desc = "USB Host Device",
.qdev.name = "usb-host",
.qdev.size = sizeof(USBHostDevice),
+ .qdev.vmsd = &vmstate_usb_host,
.init = usb_host_initfn,
.handle_packet = usb_generic_handle_packet,
.cancel_packet = usb_host_async_cancel,
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_END_OF_LIST(),
},
};
FILE *f = NULL;
char line[1024];
char buf[1024];
- int bus_num, addr, speed, device_count, class_id, product_id, vendor_id;
+ int bus_num, addr, speed, device_count;
+ int class_id, product_id, vendor_id, port;
char product_name[512];
int ret = 0;
}
device_count = 0;
- bus_num = addr = speed = class_id = product_id = vendor_id = 0;
+ bus_num = addr = class_id = product_id = vendor_id = port = 0;
+ speed = -1; /* Can't get the speed from /[proc|dev]/bus/usb/devices */
for(;;) {
if (fgets(line, sizeof(line), f) == NULL) {
break;
goto fail;
}
bus_num = atoi(buf);
+ if (get_tag_value(buf, sizeof(buf), line, "Port=", " ") < 0) {
+ goto fail;
+ }
+ port = atoi(buf);
if (get_tag_value(buf, sizeof(buf), line, "Dev#=", " ") < 0) {
goto fail;
}
if (get_tag_value(buf, sizeof(buf), line, "Spd=", " ") < 0) {
goto fail;
}
- if (!strcmp(buf, "480")) {
+ if (!strcmp(buf, "5000")) {
+ speed = USB_SPEED_SUPER;
+ } else if (!strcmp(buf, "480")) {
speed = USB_SPEED_HIGH;
} else if (!strcmp(buf, "1.5")) {
speed = USB_SPEED_LOW;
}
if (device_count && (vendor_id || product_id)) {
/* Add the last device. */
- ret = func(opaque, bus_num, addr, 0, class_id, vendor_id,
+ if (port > 0) {
+ snprintf(buf, sizeof(buf), "%d", port);
+ } else {
+ snprintf(buf, sizeof(buf), "?");
+ }
+ ret = func(opaque, bus_num, addr, buf, class_id, vendor_id,
product_id, product_name, speed);
}
the_end:
if (!usb_host_read_file(line, sizeof(line), "speed", de->d_name)) {
goto the_end;
}
- if (!strcmp(line, "480\n")) {
+ if (!strcmp(line, "5000\n")) {
+ speed = USB_SPEED_SUPER;
+ } else if (!strcmp(line, "480\n")) {
speed = USB_SPEED_HIGH;
} else if (!strcmp(line, "1.5\n")) {
speed = USB_SPEED_LOW;
}
/* the module setting (used later for opening devices) */
- usb_host_device_path = qemu_mallocz(strlen(devpath)+1);
+ usb_host_device_path = g_malloc0(strlen(devpath)+1);
strcpy(usb_host_device_path, devpath);
if (mon) {
monitor_printf(mon, "husb: using %s file-system with %s\n",
static QEMUTimer *usb_auto_timer;
-static int usb_host_auto_scan(void *opaque, int bus_num, int addr, char *port,
+static int usb_host_auto_scan(void *opaque, int bus_num,
+ int addr, const char *port,
int class_id, int vendor_id, int product_id,
const char *product_name, int speed)
{
continue;
}
/* We got a match */
+ s->seen++;
+ if (s->errcount >= 3) {
+ return 0;
+ }
/* Already attached ? */
if (s->fd != -1) {
}
DPRINTF("husb: auto open: bus_num %d addr %d\n", bus_num, addr);
- usb_host_open(s, bus_num, addr, port, product_name);
+ if (usb_host_open(s, bus_num, addr, port, product_name, speed) < 0) {
+ s->errcount++;
+ }
+ break;
}
return 0;
if (s->fd == -1) {
unconnected++;
}
+ if (s->seen == 0) {
+ s->errcount = 0;
+ }
+ s->seen = 0;
}
if (unconnected == 0) {
/* nothing to watch */
if (usb_auto_timer) {
qemu_del_timer(usb_auto_timer);
+ trace_usb_host_auto_scan_disabled();
}
return;
}
if (!usb_auto_timer) {
return;
}
+ trace_usb_host_auto_scan_enabled();
}
qemu_mod_timer(usb_auto_timer, qemu_get_clock_ms(rt_clock) + 2000);
}
return p->class_name;
}
-static void usb_info_device(Monitor *mon, int bus_num, int addr, char *port,
+static void usb_info_device(Monitor *mon, int bus_num,
+ int addr, const char *port,
int class_id, int vendor_id, int product_id,
const char *product_name,
int speed)
case USB_SPEED_HIGH:
speed_str = "480";
break;
+ case USB_SPEED_SUPER:
+ speed_str = "5000";
+ break;
default:
speed_str = "?";
break;
}
static int usb_host_info_device(void *opaque, int bus_num, int addr,
- char *path, int class_id,
+ const char *path, int class_id,
int vendor_id, int product_id,
const char *product_name,
int speed)
projects / qemu.git / blobdiff