vitalif
/
mirror_qemu
mirror of https://github.com/proxmox/mirror_qemu
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

usb-redir: Move to core packet id and queue handling 

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
master
Hans de Goede 2012-08-28 11:30:13 +02:00 committed by Gerd Hoffmann
parent 206e7f20fe
commit de550a6afb
1 changed files with 100 additions and 142 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

242
hw/usb/redirect.c
View File

@ -43,7 +43,7 @@
#define EP2I(ep_address) (((ep_address & 0x80) >> 3) | (ep_address & 0x0f))
#define I2EP(i) (((i & 0x10) << 3) | (i & 0x0f))
typedef struct AsyncURB AsyncURB;
typedef struct Cancelled Cancelled;
typedef struct USBRedirDevice USBRedirDevice;
/* Struct to hold buffered packets (iso or int input packets) */
@ -86,8 +86,7 @@ struct USBRedirDevice {
int64_t next_attach_time;
struct usbredirparser *parser;
struct endp_data endpoint[MAX_ENDPOINTS];
uint32_t packet_id;
QTAILQ_HEAD(, AsyncURB) asyncq;
QTAILQ_HEAD(, Cancelled) cancelled;
/* Data for device filtering */
struct usb_redir_device_connect_header device_info;
struct usb_redir_interface_info_header interface_info;
@ -95,10 +94,9 @@ struct USBRedirDevice {
int filter_rules_count;
};
struct AsyncURB {
USBPacket *packet;
uint32_t packet_id;
QTAILQ_ENTRY(AsyncURB)next;
struct Cancelled {
uint64_t id;
QTAILQ_ENTRY(Cancelled)next;
};
static void usbredir_hello(void *priv, struct usb_redir_hello_header *h);
@ -238,57 +236,58 @@ static int usbredir_write(void *priv, uint8_t *data, int count)
}
/*
* Async and buffered packets helpers
* Cancelled and buffered packets helpers
*/
static AsyncURB *async_alloc(USBRedirDevice *dev, USBPacket *p)
{
AsyncURB *aurb = (AsyncURB *) g_malloc0(sizeof(AsyncURB));
aurb->packet = p;
aurb->packet_id = dev->packet_id;
QTAILQ_INSERT_TAIL(&dev->asyncq, aurb, next);
dev->packet_id++;
return aurb;
}
static void async_free(USBRedirDevice *dev, AsyncURB *aurb)
{
QTAILQ_REMOVE(&dev->asyncq, aurb, next);
g_free(aurb);
}
static AsyncURB *async_find(USBRedirDevice *dev, uint32_t packet_id)
{
AsyncURB *aurb;
QTAILQ_FOREACH(aurb, &dev->asyncq, next) {
if (aurb->packet_id == packet_id) {
return aurb;
}
}
DPRINTF("could not find async urb for packet_id %u\n", packet_id);
return NULL;
}
static void usbredir_cancel_packet(USBDevice *udev, USBPacket *p)
{
USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev);
AsyncURB *aurb;
Cancelled *c;
QTAILQ_FOREACH(aurb, &dev->asyncq, next) {
if (p != aurb->packet) {
continue;
}
DPRINTF("cancel packet id %"PRIu64"\n", p->id);
DPRINTF("async cancel id %u\n", aurb->packet_id);
usbredirparser_send_cancel_data_packet(dev->parser, aurb->packet_id);
usbredirparser_do_write(dev->parser);
c = g_malloc0(sizeof(Cancelled));
c->id = p->id;
QTAILQ_INSERT_TAIL(&dev->cancelled, c, next);
/* Mark it as dead */
aurb->packet = NULL;
break;
usbredirparser_send_cancel_data_packet(dev->parser, p->id);
usbredirparser_do_write(dev->parser);
}
static int usbredir_is_cancelled(USBRedirDevice *dev, uint64_t id)
{
Cancelled *c;
if (!dev->dev.attached) {
return 1; /* Treat everything as cancelled after a disconnect */
}
QTAILQ_FOREACH(c, &dev->cancelled, next) {
if (c->id == id) {
QTAILQ_REMOVE(&dev->cancelled, c, next);
g_free(c);
return 1;
}
}
return 0;
}
static USBPacket *usbredir_find_packet_by_id(USBRedirDevice *dev,
uint8_t ep, uint64_t id)
{
USBPacket *p;
if (usbredir_is_cancelled(dev, id)) {
return NULL;
}
p = usb_ep_find_packet_by_id(&dev->dev,
(ep & USB_DIR_IN) ? USB_TOKEN_IN : USB_TOKEN_OUT,
ep & 0x0f, id);
if (p == NULL) {
ERROR("could not find packet with id %"PRIu64"\n", id);
}
return p;
}
static void bufp_alloc(USBRedirDevice *dev,
@ -484,24 +483,22 @@ static void usbredir_stop_iso_stream(USBRedirDevice *dev, uint8_t ep)
static int usbredir_handle_bulk_data(USBRedirDevice *dev, USBPacket *p,
uint8_t ep)
{
AsyncURB *aurb = async_alloc(dev, p);
struct usb_redir_bulk_packet_header bulk_packet;
DPRINTF("bulk-out ep %02X len %zd id %u\n", ep,
p->iov.size, aurb->packet_id);
DPRINTF("bulk-out ep %02X len %zd id %"PRIu64"\n", ep, p->iov.size, p->id);
bulk_packet.endpoint = ep;
bulk_packet.length = p->iov.size;
bulk_packet.stream_id = 0;
if (ep & USB_DIR_IN) {
usbredirparser_send_bulk_packet(dev->parser, aurb->packet_id,
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);
usbredirparser_send_bulk_packet(dev->parser, aurb->packet_id,
usbredirparser_send_bulk_packet(dev->parser, p->id,
&bulk_packet, buf, p->iov.size);
}
usbredirparser_do_write(dev->parser);
@ -564,19 +561,18 @@ static int usbredir_handle_interrupt_data(USBRedirDevice *dev,
return len;
} else {
/* Output interrupt endpoint, normal async operation */
AsyncURB *aurb = async_alloc(dev, p);
struct usb_redir_interrupt_packet_header interrupt_packet;
uint8_t buf[p->iov.size];
DPRINTF("interrupt-out ep %02X len %zd id %u\n", ep, p->iov.size,
aurb->packet_id);
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;
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, aurb->packet_id,
usbredirparser_send_interrupt_packet(dev->parser, p->id,
&interrupt_packet, buf, p->iov.size);
usbredirparser_do_write(dev->parser);
return USB_RET_ASYNC;
@ -630,10 +626,9 @@ static int usbredir_set_config(USBRedirDevice *dev, USBPacket *p,
int config)
{
struct usb_redir_set_configuration_header set_config;
AsyncURB *aurb = async_alloc(dev, p);
int i;
DPRINTF("set config %d id %u\n", config, aurb->packet_id);
DPRINTF("set config %d id %"PRIu64"\n", config, p->id);
for (i = 0; i < MAX_ENDPOINTS; i++) {
switch (dev->endpoint[i].type) {
@ -650,19 +645,16 @@ static int usbredir_set_config(USBRedirDevice *dev, USBPacket *p,
}
set_config.configuration = config;
usbredirparser_send_set_configuration(dev->parser, aurb->packet_id,
&set_config);
usbredirparser_send_set_configuration(dev->parser, p->id, &set_config);
usbredirparser_do_write(dev->parser);
return USB_RET_ASYNC;
}
static int usbredir_get_config(USBRedirDevice *dev, USBPacket *p)
{
AsyncURB *aurb = async_alloc(dev, p);
DPRINTF("get config id %"PRIu64"\n", p->id);
DPRINTF("get config id %u\n", aurb->packet_id);
usbredirparser_send_get_configuration(dev->parser, aurb->packet_id);
usbredirparser_send_get_configuration(dev->parser, p->id);
usbredirparser_do_write(dev->parser);
return USB_RET_ASYNC;
}
@ -671,11 +663,9 @@ static int usbredir_set_interface(USBRedirDevice *dev, USBPacket *p,
int interface, int alt)
{
struct usb_redir_set_alt_setting_header set_alt;
AsyncURB *aurb = async_alloc(dev, p);
int i;
DPRINTF("set interface %d alt %d id %u\n", interface, alt,
aurb->packet_id);
DPRINTF("set interface %d alt %d id %"PRIu64"\n", interface, alt, p->id);
for (i = 0; i < MAX_ENDPOINTS; i++) {
if (dev->endpoint[i].interface == interface) {
@ -695,8 +685,7 @@ static int usbredir_set_interface(USBRedirDevice *dev, USBPacket *p,
set_alt.interface = interface;
set_alt.alt = alt;
usbredirparser_send_set_alt_setting(dev->parser, aurb->packet_id,
&set_alt);
usbredirparser_send_set_alt_setting(dev->parser, p->id, &set_alt);
usbredirparser_do_write(dev->parser);
return USB_RET_ASYNC;
}
@ -705,13 +694,11 @@ static int usbredir_get_interface(USBRedirDevice *dev, USBPacket *p,
int interface)
{
struct usb_redir_get_alt_setting_header get_alt;
AsyncURB *aurb = async_alloc(dev, p);
DPRINTF("get interface %d id %u\n", interface, aurb->packet_id);
DPRINTF("get interface %d id %"PRIu64"\n", interface, p->id);
get_alt.interface = interface;
usbredirparser_send_get_alt_setting(dev->parser, aurb->packet_id,
&get_alt);
usbredirparser_send_get_alt_setting(dev->parser, p->id, &get_alt);
usbredirparser_do_write(dev->parser);
return USB_RET_ASYNC;
}
@ -721,7 +708,6 @@ static int usbredir_handle_control(USBDevice *udev, USBPacket *p,
{
USBRedirDevice *dev = DO_UPCAST(USBRedirDevice, dev, udev);
struct usb_redir_control_packet_header control_packet;
AsyncURB *aurb;
/* Special cases for certain standard device requests */
switch (request) {
@ -739,13 +725,10 @@ static int usbredir_handle_control(USBDevice *udev, USBPacket *p,
return usbredir_get_interface(dev, p, index);
}
/* "Normal" ctrl requests */
aurb = async_alloc(dev, p);
/* Note request is (bRequestType << 8) | bRequest */
DPRINTF("ctrl-out type 0x%x req 0x%x val 0x%x index %d len %d id %u\n",
request >> 8, request & 0xff, value, index, length,
aurb->packet_id);
/* Normal ctrl requests, note request is (bRequestType << 8) | bRequest */
DPRINTF(
"ctrl-out type 0x%x req 0x%x val 0x%x index %d len %d id %"PRIu64"\n",
request >> 8, request & 0xff, value, index, length, p->id);
control_packet.request = request & 0xFF;
control_packet.requesttype = request >> 8;
@ -755,11 +738,11 @@ static int usbredir_handle_control(USBDevice *udev, USBPacket *p,
control_packet.length = length;
if (control_packet.requesttype & USB_DIR_IN) {
usbredirparser_send_control_packet(dev->parser, aurb->packet_id,
usbredirparser_send_control_packet(dev->parser, p->id,
&control_packet, NULL, 0);
} else {
usbredir_log_data(dev, "ctrl data out:", data, length);
usbredirparser_send_control_packet(dev->parser, aurb->packet_id,
usbredirparser_send_control_packet(dev->parser, p->id,
&control_packet, data, length);
}
usbredirparser_do_write(dev->parser);
@ -913,7 +896,7 @@ static int usbredir_initfn(USBDevice *udev)
dev->chardev_close_bh = qemu_bh_new(usbredir_chardev_close_bh, dev);
dev->attach_timer = qemu_new_timer_ms(vm_clock, usbredir_do_attach, dev);
QTAILQ_INIT(&dev->asyncq);
QTAILQ_INIT(&dev->cancelled);
for (i = 0; i < MAX_ENDPOINTS; i++) {
QTAILQ_INIT(&dev->endpoint[i].bufpq);
}
@ -932,11 +915,12 @@ static int usbredir_initfn(USBDevice *udev)
static void usbredir_cleanup_device_queues(USBRedirDevice *dev)
{
AsyncURB *aurb, *next_aurb;
Cancelled *c, *next_c;
int i;
QTAILQ_FOREACH_SAFE(aurb, &dev->asyncq, next, next_aurb) {
async_free(dev, aurb);
QTAILQ_FOREACH_SAFE(c, &dev->cancelled, next, next_c) {
QTAILQ_REMOVE(&dev->cancelled, c, next);
g_free(c);
}
for (i = 0; i < MAX_ENDPOINTS; i++) {
usbredir_free_bufpq(dev, I2EP(i));
@ -1202,33 +1186,28 @@ static void usbredir_configuration_status(void *priv, uint32_t id,
struct usb_redir_configuration_status_header *config_status)
{
USBRedirDevice *dev = priv;
AsyncURB *aurb;
USBPacket *p;
int len = 0;
DPRINTF("set config status %d config %d id %u\n", config_status->status,
config_status->configuration, id);
aurb = async_find(dev, id);
if (!aurb) {
return;
}
if (aurb->packet) {
p = usbredir_find_packet_by_id(dev, 0, id);
if (p) {
if (dev->dev.setup_buf[0] & USB_DIR_IN) {
dev->dev.data_buf[0] = config_status->configuration;
len = 1;
}
aurb->packet->result =
usbredir_handle_status(dev, config_status->status, len);
usb_generic_async_ctrl_complete(&dev->dev, aurb->packet);
p->result = usbredir_handle_status(dev, config_status->status, len);
usb_generic_async_ctrl_complete(&dev->dev, p);
}
async_free(dev, aurb);
}
static void usbredir_alt_setting_status(void *priv, uint32_t id,
struct usb_redir_alt_setting_status_header *alt_setting_status)
{
USBRedirDevice *dev = priv;
AsyncURB *aurb;
USBPacket *p;
int len = 0;
DPRINTF("alt status %d intf %d alt %d id: %u\n",
@ -1236,20 +1215,16 @@ static void usbredir_alt_setting_status(void *priv, uint32_t id,
alt_setting_status->interface,
alt_setting_status->alt, id);
aurb = async_find(dev, id);
if (!aurb) {
return;
}
if (aurb->packet) {
p = usbredir_find_packet_by_id(dev, 0, id);
if (p) {
if (dev->dev.setup_buf[0] & USB_DIR_IN) {
dev->dev.data_buf[0] = alt_setting_status->alt;
len = 1;
}
aurb->packet->result =
p->result =
usbredir_handle_status(dev, alt_setting_status->status, len);
usb_generic_async_ctrl_complete(&dev->dev, aurb->packet);
usb_generic_async_ctrl_complete(&dev->dev, p);
}
async_free(dev, aurb);
}
static void usbredir_iso_stream_status(void *priv, uint32_t id,
@ -1304,19 +1279,14 @@ static void usbredir_control_packet(void *priv, uint32_t id,
uint8_t *data, int data_len)
{
USBRedirDevice *dev = priv;
USBPacket *p;
int len = control_packet->length;
AsyncURB *aurb;
DPRINTF("ctrl-in status %d len %d id %u\n", control_packet->status,
len, id);
aurb = async_find(dev, id);
if (!aurb) {
free(data);
return;
}
if (aurb->packet) {
p = usbredir_find_packet_by_id(dev, 0, id);
if (p) {
len = usbredir_handle_status(dev, control_packet->status, len);
if (len > 0) {
usbredir_log_data(dev, "ctrl data in:", data, data_len);
@ -1328,10 +1298,9 @@ static void usbredir_control_packet(void *priv, uint32_t id,
len = USB_RET_STALL;
}
}
aurb->packet->result = len;
usb_generic_async_ctrl_complete(&dev->dev, aurb->packet);
p->result = len;
usb_generic_async_ctrl_complete(&dev->dev, p);
}
async_free(dev, aurb);
free(data);
}
@ -1342,33 +1311,27 @@ static void usbredir_bulk_packet(void *priv, uint32_t id,
USBRedirDevice *dev = priv;
uint8_t ep = bulk_packet->endpoint;
int len = bulk_packet->length;
AsyncURB *aurb;
USBPacket *p;
DPRINTF("bulk-in status %d ep %02X len %d id %u\n", bulk_packet->status,
ep, len, id);
aurb = async_find(dev, id);
if (!aurb) {
free(data);
return;
}
if (aurb->packet) {
p = usbredir_find_packet_by_id(dev, ep, id);
if (p) {
len = usbredir_handle_status(dev, bulk_packet->status, len);
if (len > 0) {
usbredir_log_data(dev, "bulk data in:", data, data_len);
if (data_len <= aurb->packet->iov.size) {
usb_packet_copy(aurb->packet, data, data_len);
if (data_len <= p->iov.size) {
usb_packet_copy(p, data, data_len);
} else {
ERROR("bulk buffer too small (%d > %zd)\n", data_len,
aurb->packet->iov.size);
p->iov.size);
len = USB_RET_STALL;
}
}
aurb->packet->result = len;
usb_packet_complete(&dev->dev, aurb->packet);
p->result = len;
usb_packet_complete(&dev->dev, p);
}
async_free(dev, aurb);
free(data);
}
@ -1426,17 +1389,12 @@ static void usbredir_interrupt_packet(void *priv, uint32_t id,
} else {
int len = interrupt_packet->length;
AsyncURB *aurb = async_find(dev, id);
if (!aurb) {
return;
}
if (aurb->packet) {
aurb->packet->result = usbredir_handle_status(dev,
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, aurb->packet);
usb_packet_complete(&dev->dev, p);
}
async_free(dev, aurb);
}
}