#include "qemu-common.h"
#include "qemu-timer.h"
#include "monitor.h"
+#include "sysemu.h"
#include <dirent.h>
#include <sys/ioctl.h>
typedef int USBScanFunc(void *opaque, int bus_num, int addr, int class_id,
int vendor_id, int product_id,
const char *product_name, int speed);
-static int usb_host_find_device(int *pbus_num, int *paddr,
- char *product_name, int product_name_size,
- const char *devname);
+
//#define DEBUG
#ifdef DEBUG
-#define dprintf printf
+#define DPRINTF printf
#else
-#define dprintf(...)
+#define DPRINTF(...)
#endif
#define USBDBG_DEVOPENED "husb: opened %s/devices\n"
/*
* Control transfer state.
- * Note that 'buffer' _must_ follow 'req' field because
+ * Note that 'buffer' _must_ follow 'req' field because
* we need contigious buffer when we submit control URB.
- */
+ */
struct ctrl_struct {
uint16_t len;
uint16_t offset;
uint8_t state;
struct usb_ctrlrequest req;
- uint8_t buffer[1024];
+ uint8_t buffer[8192];
+};
+
+struct USBAutoFilter {
+ uint32_t bus_num;
+ uint32_t addr;
+ uint32_t vendor_id;
+ uint32_t product_id;
};
typedef struct USBHostDevice {
int configuration;
int ninterfaces;
int closing;
+ Notifier exit;
struct ctrl_struct ctrl;
struct endp_data endp_table[MAX_ENDPOINTS];
/* Host side address */
int bus_num;
int addr;
+ struct USBAutoFilter match;
- struct USBHostDevice *next;
+ QTAILQ_ENTRY(USBHostDevice) next;
} USBHostDevice;
+static QTAILQ_HEAD(, USBHostDevice) hostdevs = QTAILQ_HEAD_INITIALIZER(hostdevs);
+
+static int usb_host_close(USBHostDevice *dev);
+static int parse_filter(const char *spec, struct USBAutoFilter *f);
+static void usb_host_auto_check(void *unused);
+
static int is_isoc(USBHostDevice *s, int ep)
{
return s->endp_table[ep - 1].type == USBDEVFS_URB_TYPE_ISO;
s->endp_table[ep - 1].halted = 1;
}
-static USBHostDevice *hostdev_list;
-
-static void hostdev_link(USBHostDevice *dev)
-{
- dev->next = hostdev_list;
- hostdev_list = dev;
-}
-
-static void hostdev_unlink(USBHostDevice *dev)
-{
- USBHostDevice *pdev = hostdev_list;
- USBHostDevice **prev = &hostdev_list;
-
- while (pdev) {
- if (pdev == dev) {
- *prev = dev->next;
- return;
- }
-
- prev = &pdev->next;
- pdev = pdev->next;
- }
-}
-
-static USBHostDevice *hostdev_find(int bus_num, int addr)
-{
- USBHostDevice *s = hostdev_list;
- while (s) {
- if (s->bus_num == bus_num && s->addr == addr)
- return s;
- s = s->next;
- }
- return NULL;
-}
-
-/*
+/*
* Async URB state.
* We always allocate one isoc descriptor even for bulk transfers
- * to simplify allocation and casts.
+ * to simplify allocation and casts.
*/
typedef struct AsyncURB
{
AsyncURB *aurb;
while (1) {
- USBPacket *p;
+ USBPacket *p;
- int r = ioctl(s->fd, USBDEVFS_REAPURBNDELAY, &aurb);
+ int r = ioctl(s->fd, USBDEVFS_REAPURBNDELAY, &aurb);
if (r < 0) {
- if (errno == EAGAIN)
+ if (errno == EAGAIN) {
return;
-
+ }
if (errno == ENODEV && !s->closing) {
- printf("husb: device %d.%d disconnected\n", s->bus_num, s->addr);
- usb_device_del_addr(0, s->dev.addr);
+ printf("husb: device %d.%d disconnected\n",
+ s->bus_num, s->addr);
+ usb_host_close(s);
+ usb_host_auto_check(NULL);
return;
}
- dprintf("husb: async. reap urb failed errno %d\n", errno);
+ DPRINTF("husb: async. reap urb failed errno %d\n", errno);
return;
}
p = aurb->packet;
- dprintf("husb: async completed. aurb %p status %d alen %d\n",
+ DPRINTF("husb: async completed. aurb %p status %d alen %d\n",
aurb, aurb->urb.status, aurb->urb.actual_length);
- if (p) {
+ if (p) {
switch (aurb->urb.status) {
case 0:
p->len = aurb->urb.actual_length;
- if (aurb->urb.type == USBDEVFS_URB_TYPE_CONTROL)
+ if (aurb->urb.type == USBDEVFS_URB_TYPE_CONTROL) {
async_complete_ctrl(s, p);
+ }
break;
case -EPIPE:
set_halt(s, p->devep);
- /* fall through */
+ p->len = USB_RET_STALL;
+ break;
+
default:
p->len = USB_RET_NAK;
break;
}
usb_packet_complete(p);
- }
+ }
async_free(aurb);
}
AsyncURB *aurb = opaque;
USBHostDevice *s = aurb->hdev;
- dprintf("husb: async cancel. aurb %p\n", aurb);
+ DPRINTF("husb: async cancel. aurb %p\n", aurb);
/* Mark it as dead (see async_complete above) */
aurb->packet = NULL;
int r = ioctl(s->fd, USBDEVFS_DISCARDURB, aurb);
if (r < 0) {
- dprintf("husb: async. discard urb failed errno %d\n", errno);
+ DPRINTF("husb: async. discard urb failed errno %d\n", errno);
}
}
static int usb_host_claim_interfaces(USBHostDevice *dev, int configuration)
{
int dev_descr_len, config_descr_len;
- int interface, nb_interfaces, nb_configurations;
+ int interface, nb_interfaces;
int ret, i;
if (configuration == 0) /* address state - ignore */
return 1;
- dprintf("husb: claiming interfaces. config %d\n", configuration);
+ DPRINTF("husb: claiming interfaces. config %d\n", configuration);
i = 0;
dev_descr_len = dev->descr[0];
- if (dev_descr_len > dev->descr_len)
+ if (dev_descr_len > dev->descr_len) {
goto fail;
- nb_configurations = dev->descr[17];
+ }
i += dev_descr_len;
while (i < dev->descr_len) {
- dprintf("husb: i is %d, descr_len is %d, dl %d, dt %d\n", i, dev->descr_len,
+ DPRINTF("husb: i is %d, descr_len is %d, dl %d, dt %d\n",
+ i, dev->descr_len,
dev->descr[i], dev->descr[i+1]);
if (dev->descr[i+1] != USB_DT_CONFIG) {
}
config_descr_len = dev->descr[i];
- printf("husb: config #%d need %d\n", dev->descr[i + 5], configuration);
+ printf("husb: config #%d need %d\n", dev->descr[i + 5], configuration);
if (configuration < 0 || configuration == dev->descr[i + 5]) {
configuration = dev->descr[i + 5];
}
if (i >= dev->descr_len) {
- fprintf(stderr, "husb: update iface failed. no matching configuration\n");
+ fprintf(stderr,
+ "husb: update iface failed. no matching configuration\n");
goto fail;
}
nb_interfaces = dev->descr[i + 4];
{
int ret, i;
- dprintf("husb: releasing interfaces\n");
+ DPRINTF("husb: releasing interfaces\n");
for (i = 0; i < s->ninterfaces; i++) {
ret = ioctl(s->fd, USBDEVFS_RELEASEINTERFACE, &i);
static void usb_host_handle_reset(USBDevice *dev)
{
- USBHostDevice *s = (USBHostDevice *) dev;
+ USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev);
- dprintf("husb: reset device %u.%u\n", s->bus_num, s->addr);
+ DPRINTF("husb: reset device %u.%u\n", s->bus_num, s->addr);
ioctl(s->fd, USBDEVFS_RESET);
{
USBHostDevice *s = (USBHostDevice *)dev;
- s->closing = 1;
-
- qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
-
- hostdev_unlink(s);
-
- async_complete(s);
-
- if (s->fd >= 0)
- close(s->fd);
-
- qemu_free(s);
+ usb_host_close(s);
+ QTAILQ_REMOVE(&hostdevs, s, next);
+ qemu_remove_exit_notifier(&s->exit);
}
static int usb_linux_update_endp_table(USBHostDevice *s);
urb = &aurb->urb;
- if (p->pid == USB_TOKEN_IN)
- urb->endpoint = p->devep | 0x80;
- else
- urb->endpoint = p->devep;
+ if (p->pid == USB_TOKEN_IN) {
+ urb->endpoint = p->devep | 0x80;
+ } else {
+ urb->endpoint = p->devep;
+ }
if (is_halted(s, p->devep)) {
- ret = ioctl(s->fd, USBDEVFS_CLEAR_HALT, &urb->endpoint);
+ ret = ioctl(s->fd, USBDEVFS_CLEAR_HALT, &urb->endpoint);
if (ret < 0) {
- dprintf("husb: failed to clear halt. ep 0x%x errno %d\n",
+ DPRINTF("husb: failed to clear halt. ep 0x%x errno %d\n",
urb->endpoint, errno);
return USB_RET_NAK;
}
ret = ioctl(s->fd, USBDEVFS_SUBMITURB, urb);
- dprintf("husb: data submit. ep 0x%x len %u aurb %p\n", urb->endpoint, p->len, aurb);
+ DPRINTF("husb: data submit. ep 0x%x len %u aurb %p\n",
+ urb->endpoint, p->len, aurb);
if (ret < 0) {
- dprintf("husb: submit failed. errno %d\n", errno);
+ DPRINTF("husb: submit failed. errno %d\n", errno);
async_free(aurb);
switch(errno) {
static int ctrl_error(void)
{
- if (errno == ETIMEDOUT)
+ if (errno == ETIMEDOUT) {
return USB_RET_NAK;
- else
+ } else {
return USB_RET_STALL;
+ }
}
static int usb_host_set_address(USBHostDevice *s, int addr)
{
- dprintf("husb: ctrl set addr %u\n", addr);
+ DPRINTF("husb: ctrl set addr %u\n", addr);
s->dev.addr = addr;
return 0;
}
usb_host_release_interfaces(s);
int ret = ioctl(s->fd, USBDEVFS_SETCONFIGURATION, &config);
-
- dprintf("husb: ctrl set config %d ret %d errno %d\n", config, ret, errno);
-
- if (ret < 0)
+
+ DPRINTF("husb: ctrl set config %d ret %d errno %d\n", config, ret, errno);
+
+ if (ret < 0) {
return ctrl_error();
-
+ }
usb_host_claim_interfaces(s, config);
return 0;
}
si.interface = iface;
si.altsetting = alt;
ret = ioctl(s->fd, USBDEVFS_SETINTERFACE, &si);
-
- dprintf("husb: ctrl set iface %d altset %d ret %d errno %d\n",
- iface, alt, ret, errno);
-
- if (ret < 0)
- return ctrl_error();
+ DPRINTF("husb: ctrl set iface %d altset %d ret %d errno %d\n",
+ iface, alt, ret, errno);
+
+ if (ret < 0) {
+ return ctrl_error();
+ }
usb_linux_update_endp_table(s);
return 0;
}
struct usbdevfs_urb *urb;
AsyncURB *aurb;
int ret, value, index;
+ int buffer_len;
- /*
+ /*
* Process certain standard device requests.
* These are infrequent and are processed synchronously.
*/
value = le16_to_cpu(s->ctrl.req.wValue);
index = le16_to_cpu(s->ctrl.req.wIndex);
- dprintf("husb: ctrl type 0x%x req 0x%x val 0x%x index %u len %u\n",
- s->ctrl.req.bRequestType, s->ctrl.req.bRequest, value, index,
- s->ctrl.len);
+ DPRINTF("husb: ctrl type 0x%x req 0x%x val 0x%x index %u len %u\n",
+ s->ctrl.req.bRequestType, s->ctrl.req.bRequest, value, index,
+ s->ctrl.len);
if (s->ctrl.req.bRequestType == 0) {
switch (s->ctrl.req.bRequest) {
}
if (s->ctrl.req.bRequestType == 1 &&
- s->ctrl.req.bRequest == USB_REQ_SET_INTERFACE)
+ s->ctrl.req.bRequest == USB_REQ_SET_INTERFACE) {
return usb_host_set_interface(s, index, value);
+ }
/* The rest are asynchronous */
+ buffer_len = 8 + s->ctrl.len;
+ if (buffer_len > sizeof(s->ctrl.buffer)) {
+ fprintf(stderr, "husb: ctrl buffer too small (%u > %zu)\n",
+ buffer_len, sizeof(s->ctrl.buffer));
+ return USB_RET_STALL;
+ }
+
aurb = async_alloc();
aurb->hdev = s;
aurb->packet = p;
- /*
+ /*
* Setup ctrl transfer.
*
* s->ctrl is layed out such that data buffer immediately follows
* 'req' struct which is exactly what usbdevfs expects.
- */
+ */
urb = &aurb->urb;
urb->type = USBDEVFS_URB_TYPE_CONTROL;
urb->endpoint = p->devep;
urb->buffer = &s->ctrl.req;
- urb->buffer_length = 8 + s->ctrl.len;
+ urb->buffer_length = buffer_len;
urb->usercontext = s;
ret = ioctl(s->fd, USBDEVFS_SUBMITURB, urb);
- dprintf("husb: submit ctrl. len %u aurb %p\n", urb->buffer_length, aurb);
+ DPRINTF("husb: submit ctrl. len %u aurb %p\n", urb->buffer_length, aurb);
if (ret < 0) {
- dprintf("husb: submit failed. errno %d\n", errno);
+ DPRINTF("husb: submit failed. errno %d\n", errno);
async_free(aurb);
switch(errno) {
USBHostDevice *s = (USBHostDevice *) dev;
int ret = 0;
- if (p->len != 8)
+ if (p->len != 8) {
return USB_RET_STALL;
-
+ }
+
memcpy(&s->ctrl.req, p->data, 8);
s->ctrl.len = le16_to_cpu(s->ctrl.req.wLength);
s->ctrl.offset = 0;
if (s->ctrl.req.bRequestType & USB_DIR_IN) {
ret = usb_host_handle_control(s, p);
- if (ret < 0)
+ if (ret < 0) {
return ret;
+ }
- if (ret < s->ctrl.len)
+ if (ret < s->ctrl.len) {
s->ctrl.len = ret;
+ }
s->ctrl.state = CTRL_STATE_DATA;
} else {
- if (s->ctrl.len == 0)
+ if (s->ctrl.len == 0) {
s->ctrl.state = CTRL_STATE_ACK;
- else
+ } else {
s->ctrl.state = CTRL_STATE_DATA;
+ }
}
return ret;
USBHostDevice *s = (USBHostDevice *) dev;
int ret = 0;
- if (p->devep != 0)
+ if (p->devep != 0) {
return usb_host_handle_data(s, p);
+ }
switch(s->ctrl.state) {
case CTRL_STATE_ACK:
if (!(s->ctrl.req.bRequestType & USB_DIR_IN)) {
ret = usb_host_handle_control(s, p);
- if (ret == USB_RET_ASYNC)
+ if (ret == USB_RET_ASYNC) {
return USB_RET_ASYNC;
-
+ }
s->ctrl.state = CTRL_STATE_IDLE;
return ret > 0 ? 0 : ret;
}
case CTRL_STATE_DATA:
if (s->ctrl.req.bRequestType & USB_DIR_IN) {
int len = s->ctrl.len - s->ctrl.offset;
- if (len > p->len)
+ if (len > p->len) {
len = p->len;
+ }
memcpy(p->data, s->ctrl.buffer + s->ctrl.offset, len);
s->ctrl.offset += len;
- if (s->ctrl.offset >= s->ctrl.len)
+ if (s->ctrl.offset >= s->ctrl.len) {
s->ctrl.state = CTRL_STATE_ACK;
+ }
return len;
}
{
USBHostDevice *s = (USBHostDevice *) dev;
- if (p->devep != 0)
+ if (p->devep != 0) {
return usb_host_handle_data(s, p);
+ }
switch(s->ctrl.state) {
case CTRL_STATE_ACK:
case CTRL_STATE_DATA:
if (!(s->ctrl.req.bRequestType & USB_DIR_IN)) {
int len = s->ctrl.len - s->ctrl.offset;
- if (len > p->len)
+ if (len > p->len) {
len = p->len;
+ }
memcpy(s->ctrl.buffer + s->ctrl.offset, p->data, len);
s->ctrl.offset += len;
- if (s->ctrl.offset >= s->ctrl.len)
+ if (s->ctrl.offset >= s->ctrl.len) {
s->ctrl.state = CTRL_STATE_ACK;
+ }
return len;
}
}
/* Rest of the PIDs must match our address */
- if (s->state < USB_STATE_DEFAULT || p->devaddr != s->addr)
+ if (s->state < USB_STATE_DEFAULT || p->devaddr != s->addr) {
return USB_RET_NODEV;
+ }
switch (p->pid) {
case USB_TOKEN_SETUP:
case USB_TOKEN_OUT:
return do_token_out(s, p);
-
+
default:
return USB_RET_STALL;
}
}
/* in address state */
- if (configuration == 0)
+ if (configuration == 0) {
return 1;
+ }
/* get the desired configuration, interface, and endpoint descriptors
* from device description */
if (descriptors[i + 1] != USB_DT_CONFIG ||
descriptors[i + 5] != configuration) {
- dprintf("invalid descriptor data - configuration\n");
+ DPRINTF("invalid descriptor data - configuration\n");
return 1;
}
i += descriptors[i];
}
/* advance to the endpoints */
- while (i < length && descriptors[i +1] != USB_DT_ENDPOINT)
+ while (i < length && descriptors[i +1] != USB_DT_ENDPOINT) {
i += descriptors[i];
+ }
if (i >= length)
break;
while (i < length) {
- if (descriptors[i + 1] != USB_DT_ENDPOINT)
+ if (descriptors[i + 1] != USB_DT_ENDPOINT) {
break;
+ }
devep = descriptors[i + 2];
switch (descriptors[i + 3] & 0x3) {
type = USBDEVFS_URB_TYPE_INTERRUPT;
break;
default:
- dprintf("usb_host: malformed endpoint type\n");
+ DPRINTF("usb_host: malformed endpoint type\n");
type = USBDEVFS_URB_TYPE_BULK;
}
s->endp_table[(devep & 0xf) - 1].type = type;
return 0;
}
-static int usb_host_initfn(USBDevice *dev)
-{
- return 0;
-}
-
-static USBDevice *usb_host_device_open_addr(int bus_num, int addr, const char *prod_name)
+static int usb_host_open(USBHostDevice *dev, int bus_num,
+ int addr, const char *prod_name)
{
int fd = -1, ret;
- USBDevice *d = NULL;
- USBHostDevice *dev;
struct usbdevfs_connectinfo ci;
char buf[1024];
+ if (dev->fd != -1) {
+ goto fail;
+ }
printf("husb: open device %d.%d\n", bus_num, addr);
if (!usb_host_device_path) {
perror(buf);
goto fail;
}
- dprintf("husb: opened %s\n", buf);
-
- d = usb_create_simple(NULL /* FIXME */, "USB Host Device");
- dev = DO_UPCAST(USBHostDevice, dev, d);
+ DPRINTF("husb: opened %s\n", buf);
dev->bus_num = bus_num;
dev->addr = addr;
+ dev->fd = fd;
/* read the device description */
dev->descr_len = read(fd, dev->descr, sizeof(dev->descr));
{
int x;
printf("=== begin dumping device descriptor data ===\n");
- for (x = 0; x < dev->descr_len; x++)
+ for (x = 0; x < dev->descr_len; x++) {
printf("%02x ", dev->descr[x]);
+ }
printf("\n=== end dumping device descriptor data ===\n");
}
#endif
- /*
- * Initial configuration is -1 which makes us claim first
+ /*
+ * 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
+ * always work. I've seen devices where first config starts
* with 2.
*/
- if (!usb_host_claim_interfaces(dev, -1))
+ if (!usb_host_claim_interfaces(dev, -1)) {
goto fail;
+ }
ret = ioctl(fd, USBDEVFS_CONNECTINFO, &ci);
if (ret < 0) {
printf("husb: grabbed usb device %d.%d\n", bus_num, addr);
ret = usb_linux_update_endp_table(dev);
- if (ret)
+ if (ret) {
goto fail;
+ }
- if (ci.slow)
+ if (ci.slow) {
dev->dev.speed = USB_SPEED_LOW;
- else
+ } else {
dev->dev.speed = USB_SPEED_HIGH;
+ }
- if (!prod_name || prod_name[0] == '\0')
- snprintf(dev->dev.devname, sizeof(dev->dev.devname),
+ if (!prod_name || prod_name[0] == '\0') {
+ snprintf(dev->dev.product_desc, sizeof(dev->dev.product_desc),
"host:%d.%d", bus_num, addr);
- else
- pstrcpy(dev->dev.devname, sizeof(dev->dev.devname),
+ } else {
+ pstrcpy(dev->dev.product_desc, sizeof(dev->dev.product_desc),
prod_name);
+ }
/* USB devio uses 'write' flag to check for async completions */
qemu_set_fd_handler(dev->fd, NULL, async_complete, dev);
- hostdev_link(dev);
-
- return (USBDevice *) dev;
+ usb_device_attach(&dev->dev);
+ return 0;
fail:
- if (d)
- qdev_free(&d->qdev);
- if (fd != -1)
+ dev->fd = -1;
+ if (fd != -1) {
close(fd);
- return NULL;
+ }
+ return -1;
+}
+
+static int usb_host_close(USBHostDevice *dev)
+{
+ if (dev->fd == -1) {
+ return -1;
+ }
+
+ qemu_set_fd_handler(dev->fd, NULL, NULL, NULL);
+ dev->closing = 1;
+ async_complete(dev);
+ dev->closing = 0;
+ 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)
+{
+ USBHostDevice *s = container_of(n, USBHostDevice, exit);
+
+ if (s->fd != -1) {
+ ioctl(s->fd, USBDEVFS_RESET);
+ }
+}
+
+static int usb_host_initfn(USBDevice *dev)
+{
+ USBHostDevice *s = DO_UPCAST(USBHostDevice, dev, dev);
+
+ dev->auto_attach = 0;
+ s->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);
+ return 0;
}
static struct USBDeviceInfo usb_host_dev_info = {
- .qdev.name = "USB Host Device",
+ .product_desc = "USB Host Device",
+ .qdev.name = "usb-host",
.qdev.size = sizeof(USBHostDevice),
.init = usb_host_initfn,
.handle_packet = usb_host_handle_packet,
.handle_reset = usb_host_handle_reset,
-#if 0
- .handle_control = usb_host_handle_control,
- .handle_data = usb_host_handle_data,
-#endif
.handle_destroy = usb_host_handle_destroy,
+ .usbdevice_name = "host",
+ .usbdevice_init = usb_host_device_open,
+ .qdev.props = (Property[]) {
+ DEFINE_PROP_UINT32("hostbus", USBHostDevice, match.bus_num, 0),
+ DEFINE_PROP_UINT32("hostaddr", USBHostDevice, match.addr, 0),
+ DEFINE_PROP_HEX32("vendorid", USBHostDevice, match.vendor_id, 0),
+ DEFINE_PROP_HEX32("productid", USBHostDevice, match.product_id, 0),
+ DEFINE_PROP_END_OF_LIST(),
+ },
};
static void usb_host_register_devices(void)
}
device_init(usb_host_register_devices)
-static int usb_host_auto_add(const char *spec);
-static int usb_host_auto_del(const char *spec);
-
USBDevice *usb_host_device_open(const char *devname)
{
- Monitor *mon = cur_mon;
- int bus_num, addr;
- char product_name[PRODUCT_NAME_SZ];
+ struct USBAutoFilter filter;
+ USBDevice *dev;
+ char *p;
+
+ dev = usb_create(NULL /* FIXME */, "usb-host");
if (strstr(devname, "auto:")) {
- usb_host_auto_add(devname);
- return NULL;
+ if (parse_filter(devname, &filter) < 0) {
+ goto fail;
+ }
+ } else {
+ if ((p = strchr(devname, '.'))) {
+ filter.bus_num = strtoul(devname, NULL, 0);
+ filter.addr = strtoul(p + 1, NULL, 0);
+ filter.vendor_id = 0;
+ filter.product_id = 0;
+ } else if ((p = strchr(devname, ':'))) {
+ filter.bus_num = 0;
+ filter.addr = 0;
+ filter.vendor_id = strtoul(devname, NULL, 16);
+ filter.product_id = strtoul(p + 1, NULL, 16);
+ } else {
+ goto fail;
+ }
}
- if (usb_host_find_device(&bus_num, &addr, product_name, sizeof(product_name),
- devname) < 0)
- return NULL;
+ qdev_prop_set_uint32(&dev->qdev, "hostbus", filter.bus_num);
+ qdev_prop_set_uint32(&dev->qdev, "hostaddr", filter.addr);
+ qdev_prop_set_uint32(&dev->qdev, "vendorid", filter.vendor_id);
+ qdev_prop_set_uint32(&dev->qdev, "productid", filter.product_id);
+ qdev_init_nofail(&dev->qdev);
+ return dev;
- if (hostdev_find(bus_num, addr)) {
- monitor_printf(mon, "husb: host usb device %d.%d is already open\n",
- bus_num, addr);
- return NULL;
- }
-
- return usb_host_device_open_addr(bus_num, addr, product_name);
+fail:
+ qdev_free(&dev->qdev);
+ return NULL;
}
int usb_host_device_close(const char *devname)
{
+#if 0
char product_name[PRODUCT_NAME_SZ];
int bus_num, addr;
USBHostDevice *s;
- if (strstr(devname, "auto:"))
+ if (strstr(devname, "auto:")) {
return usb_host_auto_del(devname);
-
- if (usb_host_find_device(&bus_num, &addr, product_name, sizeof(product_name),
- devname) < 0)
+ }
+ if (usb_host_find_device(&bus_num, &addr, product_name,
+ sizeof(product_name), devname) < 0) {
return -1;
-
+ }
s = hostdev_find(bus_num, addr);
if (s) {
- usb_device_del_addr(0, s->dev.addr);
+ usb_device_delete_addr(s->bus_num, s->dev.addr);
return 0;
}
+#endif
return -1;
}
-
+
static int get_tag_value(char *buf, int buf_size,
const char *str, const char *tag,
const char *stopchars)
const char *p;
char *q;
p = strstr(str, tag);
- if (!p)
+ if (!p) {
return -1;
+ }
p += strlen(tag);
- while (qemu_isspace(*p))
+ while (qemu_isspace(*p)) {
p++;
+ }
q = buf;
while (*p != '\0' && !strchr(stopchars, *p)) {
- if ((q - buf) < (buf_size - 1))
+ if ((q - buf) < (buf_size - 1)) {
*q++ = *p;
+ }
p++;
}
*q = '\0';
device_count = 0;
bus_num = addr = speed = class_id = product_id = vendor_id = 0;
for(;;) {
- if (fgets(line, sizeof(line), f) == NULL)
+ if (fgets(line, sizeof(line), f) == NULL) {
break;
- if (strlen(line) > 0)
+ }
+ if (strlen(line) > 0) {
line[strlen(line) - 1] = '\0';
+ }
if (line[0] == 'T' && line[1] == ':') {
if (device_count && (vendor_id || product_id)) {
/* New device. Add the previously discovered device. */
ret = func(opaque, bus_num, addr, class_id, vendor_id,
product_id, product_name, speed);
- if (ret)
+ if (ret) {
goto the_end;
+ }
}
- if (get_tag_value(buf, sizeof(buf), line, "Bus=", " ") < 0)
+ if (get_tag_value(buf, sizeof(buf), line, "Bus=", " ") < 0) {
goto fail;
+ }
bus_num = atoi(buf);
- if (get_tag_value(buf, sizeof(buf), line, "Dev#=", " ") < 0)
+ if (get_tag_value(buf, sizeof(buf), line, "Dev#=", " ") < 0) {
goto fail;
+ }
addr = atoi(buf);
- if (get_tag_value(buf, sizeof(buf), line, "Spd=", " ") < 0)
+ if (get_tag_value(buf, sizeof(buf), line, "Spd=", " ") < 0) {
goto fail;
- if (!strcmp(buf, "480"))
+ }
+ if (!strcmp(buf, "480")) {
speed = USB_SPEED_HIGH;
- else if (!strcmp(buf, "1.5"))
+ } else if (!strcmp(buf, "1.5")) {
speed = USB_SPEED_LOW;
- else
+ } else {
speed = USB_SPEED_FULL;
+ }
product_name[0] = '\0';
class_id = 0xff;
device_count++;
product_id = 0;
vendor_id = 0;
} else if (line[0] == 'P' && line[1] == ':') {
- if (get_tag_value(buf, sizeof(buf), line, "Vendor=", " ") < 0)
+ if (get_tag_value(buf, sizeof(buf), line, "Vendor=", " ") < 0) {
goto fail;
+ }
vendor_id = strtoul(buf, NULL, 16);
- if (get_tag_value(buf, sizeof(buf), line, "ProdID=", " ") < 0)
+ if (get_tag_value(buf, sizeof(buf), line, "ProdID=", " ") < 0) {
goto fail;
+ }
product_id = strtoul(buf, NULL, 16);
} else if (line[0] == 'S' && line[1] == ':') {
- if (get_tag_value(buf, sizeof(buf), line, "Product=", "") < 0)
+ if (get_tag_value(buf, sizeof(buf), line, "Product=", "") < 0) {
goto fail;
+ }
pstrcpy(product_name, sizeof(product_name), buf);
} else if (line[0] == 'D' && line[1] == ':') {
- if (get_tag_value(buf, sizeof(buf), line, "Cls=", " (") < 0)
+ if (get_tag_value(buf, sizeof(buf), line, "Cls=", " (") < 0) {
goto fail;
+ }
class_id = strtoul(buf, NULL, 16);
}
fail: ;
product_id, product_name, speed);
}
the_end:
- if (f)
+ if (f) {
fclose(f);
+ }
return ret;
}
*
* @return 0 failed, 1 succeeded ('line' contains data)
*/
-static int usb_host_read_file(char *line, size_t line_size, const char *device_file, const char *device_name)
+static int usb_host_read_file(char *line, size_t line_size,
+ const char *device_file, const char *device_name)
{
- Monitor *mon = cur_mon;
FILE *f;
int ret = 0;
char filename[PATH_MAX];
device_file);
f = fopen(filename, "r");
if (f) {
- fgets(line, line_size, f);
+ ret = fgets(line, line_size, f) != NULL;
fclose(f);
- ret = 1;
- } else {
- monitor_printf(mon, "husb: could not open %s\n", filename);
}
return ret;
while ((de = readdir(dir))) {
if (de->d_name[0] != '.' && !strchr(de->d_name, ':')) {
char *tmpstr = de->d_name;
- if (!strncmp(de->d_name, "usb", 3))
+ if (!strncmp(de->d_name, "usb", 3)) {
tmpstr += 3;
+ }
bus_num = atoi(tmpstr);
- if (!usb_host_read_file(line, sizeof(line), "devnum", de->d_name))
+ if (!usb_host_read_file(line, sizeof(line), "devnum", de->d_name)) {
goto the_end;
- if (sscanf(line, "%d", &addr) != 1)
+ }
+ if (sscanf(line, "%d", &addr) != 1) {
goto the_end;
-
+ }
if (!usb_host_read_file(line, sizeof(line), "bDeviceClass",
- de->d_name))
+ de->d_name)) {
goto the_end;
- if (sscanf(line, "%x", &class_id) != 1)
+ }
+ if (sscanf(line, "%x", &class_id) != 1) {
goto the_end;
+ }
- if (!usb_host_read_file(line, sizeof(line), "idVendor", de->d_name))
+ if (!usb_host_read_file(line, sizeof(line), "idVendor",
+ de->d_name)) {
goto the_end;
- if (sscanf(line, "%x", &vendor_id) != 1)
+ }
+ if (sscanf(line, "%x", &vendor_id) != 1) {
goto the_end;
-
+ }
if (!usb_host_read_file(line, sizeof(line), "idProduct",
- de->d_name))
+ de->d_name)) {
goto the_end;
- if (sscanf(line, "%x", &product_id) != 1)
+ }
+ if (sscanf(line, "%x", &product_id) != 1) {
goto the_end;
-
+ }
if (!usb_host_read_file(line, sizeof(line), "product",
de->d_name)) {
*product_name = 0;
} else {
- if (strlen(line) > 0)
+ if (strlen(line) > 0) {
line[strlen(line) - 1] = '\0';
+ }
pstrcpy(product_name, sizeof(product_name), line);
}
- if (!usb_host_read_file(line, sizeof(line), "speed", de->d_name))
+ if (!usb_host_read_file(line, sizeof(line), "speed", de->d_name)) {
goto the_end;
- if (!strcmp(line, "480\n"))
+ }
+ if (!strcmp(line, "480\n")) {
speed = USB_SPEED_HIGH;
- else if (!strcmp(line, "1.5\n"))
+ } else if (!strcmp(line, "1.5\n")) {
speed = USB_SPEED_LOW;
- else
+ } else {
speed = USB_SPEED_FULL;
+ }
ret = func(opaque, bus_num, addr, class_id, vendor_id,
product_id, product_name, speed);
- if (ret)
+ if (ret) {
goto the_end;
+ }
}
}
the_end:
- if (dir)
+ if (dir) {
closedir(dir);
+ }
return ret;
}
strcpy(devpath, USBDEVBUS_PATH);
usb_fs_type = USB_FS_SYS;
closedir(dir);
- dprintf(USBDBG_DEVOPENED, USBSYSBUS_PATH);
+ DPRINTF(USBDBG_DEVOPENED, USBSYSBUS_PATH);
goto found_devices;
}
f = fopen(USBPROCBUS_PATH "/devices", "r");
strcpy(devpath, USBPROCBUS_PATH);
usb_fs_type = USB_FS_PROC;
fclose(f);
- dprintf(USBDBG_DEVOPENED, USBPROCBUS_PATH);
+ DPRINTF(USBDBG_DEVOPENED, USBPROCBUS_PATH);
goto found_devices;
}
/* try additional methods if an access method hasn't been found yet */
strcpy(devpath, USBDEVBUS_PATH);
usb_fs_type = USB_FS_DEV;
fclose(f);
- dprintf(USBDBG_DEVOPENED, USBDEVBUS_PATH);
+ DPRINTF(USBDBG_DEVOPENED, USBDEVBUS_PATH);
goto found_devices;
}
found_devices:
if (!usb_fs_type) {
- monitor_printf(mon, "husb: unable to access USB devices\n");
+ if (mon) {
+ monitor_printf(mon, "husb: unable to access USB devices\n");
+ }
return -ENOENT;
}
/* the module setting (used later for opening devices) */
usb_host_device_path = qemu_mallocz(strlen(devpath)+1);
strcpy(usb_host_device_path, devpath);
- monitor_printf(mon, "husb: using %s file-system with %s\n",
- fs_type[usb_fs_type], usb_host_device_path);
+ if (mon) {
+ monitor_printf(mon, "husb: using %s file-system with %s\n",
+ fs_type[usb_fs_type], usb_host_device_path);
+ }
}
switch (usb_fs_type) {
return ret;
}
-struct USBAutoFilter {
- struct USBAutoFilter *next;
- int bus_num;
- int addr;
- int vendor_id;
- int product_id;
-};
-
static QEMUTimer *usb_auto_timer;
-static struct USBAutoFilter *usb_auto_filter;
static int usb_host_auto_scan(void *opaque, int bus_num, int addr,
- int class_id, int vendor_id, int product_id,
- const char *product_name, int speed)
+ int class_id, int vendor_id, int product_id,
+ const char *product_name, int speed)
{
struct USBAutoFilter *f;
- struct USBDevice *dev;
+ struct USBHostDevice *s;
/* Ignore hubs */
if (class_id == 9)
return 0;
- for (f = usb_auto_filter; f; f = f->next) {
- if (f->bus_num >= 0 && f->bus_num != bus_num)
- continue;
+ QTAILQ_FOREACH(s, &hostdevs, next) {
+ f = &s->match;
- if (f->addr >= 0 && f->addr != addr)
+ if (f->bus_num > 0 && f->bus_num != bus_num) {
continue;
-
- if (f->vendor_id >= 0 && f->vendor_id != vendor_id)
+ }
+ if (f->addr > 0 && f->addr != addr) {
continue;
+ }
- if (f->product_id >= 0 && f->product_id != product_id)
+ if (f->vendor_id > 0 && f->vendor_id != vendor_id) {
continue;
+ }
+ if (f->product_id > 0 && f->product_id != product_id) {
+ continue;
+ }
/* We got a match */
- /* Allredy attached ? */
- if (hostdev_find(bus_num, addr))
+ /* Already attached ? */
+ if (s->fd != -1) {
return 0;
+ }
+ DPRINTF("husb: auto open: bus_num %d addr %d\n", bus_num, addr);
- dprintf("husb: auto open: bus_num %d addr %d\n", bus_num, addr);
-
- dev = usb_host_device_open_addr(bus_num, addr, product_name);
- if (dev)
- usb_device_add_dev(dev);
+ usb_host_open(s, bus_num, addr, product_name);
}
return 0;
}
-static void usb_host_auto_timer(void *unused)
+static void usb_host_auto_check(void *unused)
{
+ struct USBHostDevice *s;
+ int unconnected = 0;
+
usb_host_scan(NULL, usb_host_auto_scan);
+
+ QTAILQ_FOREACH(s, &hostdevs, next) {
+ if (s->fd == -1) {
+ unconnected++;
+ }
+ }
+
+ if (unconnected == 0) {
+ /* nothing to watch */
+ if (usb_auto_timer) {
+ qemu_del_timer(usb_auto_timer);
+ }
+ return;
+ }
+
+ if (!usb_auto_timer) {
+ usb_auto_timer = qemu_new_timer(rt_clock, usb_host_auto_check, NULL);
+ if (!usb_auto_timer) {
+ return;
+ }
+ }
qemu_mod_timer(usb_auto_timer, qemu_get_clock(rt_clock) + 2000);
}
const char *p = spec;
int i;
- f->bus_num = -1;
- f->addr = -1;
- f->vendor_id = -1;
- f->product_id = -1;
+ f->bus_num = 0;
+ f->addr = 0;
+ f->vendor_id = 0;
+ f->product_id = 0;
for (i = BUS; i < DONE; i++) {
- p = strpbrk(p, ":.");
- if (!p) break;
+ p = strpbrk(p, ":.");
+ if (!p) {
+ break;
+ }
p++;
-
- if (*p == '*')
- continue;
+ if (*p == '*') {
+ continue;
+ }
switch(i) {
case BUS: f->bus_num = strtol(p, NULL, 10); break;
case DEV: f->addr = strtol(p, NULL, 10); break;
return 0;
}
-static int match_filter(const struct USBAutoFilter *f1,
- const struct USBAutoFilter *f2)
-{
- return f1->bus_num == f2->bus_num &&
- f1->addr == f2->addr &&
- f1->vendor_id == f2->vendor_id &&
- f1->product_id == f2->product_id;
-}
-
-static int usb_host_auto_add(const char *spec)
-{
- struct USBAutoFilter filter, *f;
-
- if (parse_filter(spec, &filter) < 0)
- return -1;
-
- f = qemu_mallocz(sizeof(*f));
-
- *f = filter;
-
- if (!usb_auto_filter) {
- /*
- * First entry. Init and start the monitor.
- * Right now we're using timer to check for new devices.
- * If this turns out to be too expensive we can move that into a
- * separate thread.
- */
- usb_auto_timer = qemu_new_timer(rt_clock, usb_host_auto_timer, NULL);
- if (!usb_auto_timer) {
- fprintf(stderr, "husb: failed to allocate auto scan timer\n");
- qemu_free(f);
- return -1;
- }
-
- /* Check for new devices every two seconds */
- qemu_mod_timer(usb_auto_timer, qemu_get_clock(rt_clock) + 2000);
- }
-
- dprintf("husb: added auto filter: bus_num %d addr %d vid %d pid %d\n",
- f->bus_num, f->addr, f->vendor_id, f->product_id);
-
- f->next = usb_auto_filter;
- usb_auto_filter = f;
-
- return 0;
-}
-
-static int usb_host_auto_del(const char *spec)
-{
- struct USBAutoFilter *pf = usb_auto_filter;
- struct USBAutoFilter **prev = &usb_auto_filter;
- struct USBAutoFilter filter;
-
- if (parse_filter(spec, &filter) < 0)
- return -1;
-
- while (pf) {
- if (match_filter(pf, &filter)) {
- dprintf("husb: removed auto filter: bus_num %d addr %d vid %d pid %d\n",
- pf->bus_num, pf->addr, pf->vendor_id, pf->product_id);
-
- *prev = pf->next;
-
- if (!usb_auto_filter) {
- /* No more filters. Stop scanning. */
- qemu_del_timer(usb_auto_timer);
- qemu_free_timer(usb_auto_timer);
- }
-
- return 0;
- }
-
- prev = &pf->next;
- pf = pf->next;
- }
-
- return -1;
-}
-
-typedef struct FindDeviceState {
- int vendor_id;
- int product_id;
- int bus_num;
- int addr;
- char product_name[PRODUCT_NAME_SZ];
-} FindDeviceState;
-
-static int usb_host_find_device_scan(void *opaque, int bus_num, int addr,
- int class_id,
- int vendor_id, int product_id,
- const char *product_name, int speed)
-{
- FindDeviceState *s = opaque;
- if ((vendor_id == s->vendor_id &&
- product_id == s->product_id) ||
- (bus_num == s->bus_num &&
- addr == s->addr)) {
- pstrcpy(s->product_name, PRODUCT_NAME_SZ, product_name);
- s->bus_num = bus_num;
- s->addr = addr;
- return 1;
- } else {
- return 0;
- }
-}
-
-/* the syntax is :
- 'bus.addr' (decimal numbers) or
- 'vendor_id:product_id' (hexa numbers) */
-static int usb_host_find_device(int *pbus_num, int *paddr,
- char *product_name, int product_name_size,
- const char *devname)
-{
- const char *p;
- int ret;
- FindDeviceState fs;
-
- p = strchr(devname, '.');
- if (p) {
- *pbus_num = strtoul(devname, NULL, 0);
- *paddr = strtoul(p + 1, NULL, 0);
- fs.bus_num = *pbus_num;
- fs.addr = *paddr;
- ret = usb_host_scan(&fs, usb_host_find_device_scan);
- if (ret)
- pstrcpy(product_name, product_name_size, fs.product_name);
- return 0;
- }
-
- p = strchr(devname, ':');
- if (p) {
- fs.vendor_id = strtoul(devname, NULL, 16);
- fs.product_id = strtoul(p + 1, NULL, 16);
- ret = usb_host_scan(&fs, usb_host_find_device_scan);
- if (ret) {
- *pbus_num = fs.bus_num;
- *paddr = fs.addr;
- pstrcpy(product_name, product_name_size, fs.product_name);
- return 0;
- }
- }
- return -1;
-}
-
/**********************/
/* USB host device info */
{
const struct usb_class_info *p;
for(p = usb_class_info; p->class != -1; p++) {
- if (p->class == class)
+ if (p->class == class) {
break;
+ }
}
return p->class_name;
}
monitor_printf(mon, " Device %d.%d, speed %s Mb/s\n",
bus_num, addr, speed_str);
class_str = usb_class_str(class_id);
- if (class_str)
+ if (class_str) {
monitor_printf(mon, " %s:", class_str);
- else
+ } else {
monitor_printf(mon, " Class %02x:", class_id);
+ }
monitor_printf(mon, " USB device %04x:%04x", vendor_id, product_id);
- if (product_name[0] != '\0')
+ if (product_name[0] != '\0') {
monitor_printf(mon, ", %s", product_name);
+ }
monitor_printf(mon, "\n");
}
static void dec2str(int val, char *str, size_t size)
{
- if (val == -1)
+ if (val == 0) {
snprintf(str, size, "*");
- else
- snprintf(str, size, "%d", val);
+ } else {
+ snprintf(str, size, "%d", val);
+ }
}
static void hex2str(int val, char *str, size_t size)
{
- if (val == -1)
+ if (val == 0) {
snprintf(str, size, "*");
- else
- snprintf(str, size, "%x", val);
+ } else {
+ snprintf(str, size, "%04x", val);
+ }
}
void usb_host_info(Monitor *mon)
{
struct USBAutoFilter *f;
+ struct USBHostDevice *s;
usb_host_scan(mon, usb_host_info_device);
- if (usb_auto_filter)
- monitor_printf(mon, " Auto filters:\n");
- for (f = usb_auto_filter; f; f = f->next) {
+ if (QTAILQ_EMPTY(&hostdevs)) {
+ return;
+ }
+
+ monitor_printf(mon, " Auto filters:\n");
+ QTAILQ_FOREACH(s, &hostdevs, next) {
char bus[10], addr[10], vid[10], pid[10];
+ f = &s->match;
dec2str(f->bus_num, bus, sizeof(bus));
dec2str(f->addr, addr, sizeof(addr));
hex2str(f->vendor_id, vid, sizeof(vid));
projects / qemu.git / blobdiff