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提交 656acddb 编写于 作者: A Anthony Liguori
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Merge remote-tracking branch 'kraxel/usb.17' into staging

上级 c45d1fc1 a7fb71d1
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Showing with 191 addition and 64 deletion
hw/usb-bus.c
浏览文件 @ 656acddb
......@@ -75,7 +75,7 @@ static int usb_qdev_init(DeviceState *qdev, DeviceInfo *base)
QLIST_INIT(&dev->strings);
rc = dev->info->init(dev);
if (rc == 0 && dev->auto_attach)
usb_device_attach(dev);
rc = usb_device_attach(dev);
return rc;
}
......@@ -121,7 +121,7 @@ USBDevice *usb_create(USBBus *bus, const char *name)
bus = usb_bus_find(-1);
if (!bus)
return NULL;
fprintf(stderr, "%s: no bus specified, using \"%s\" for \"%s\"\n",
error_report("%s: no bus specified, using \"%s\" for \"%s\"\n",
__FUNCTION__, bus->qbus.name, name);
}
#endif
......@@ -171,15 +171,20 @@ void usb_unregister_port(USBBus *bus, USBPort *port)
bus->nfree--;
}
static void do_attach(USBDevice *dev)
static int do_attach(USBDevice *dev)
{
USBBus *bus = usb_bus_from_device(dev);
USBPort *port;
if (dev->attached) {
fprintf(stderr, "Warning: tried to attach usb device %s twice\n",
error_report("Error: tried to attach usb device %s twice\n",
dev->product_desc);
return;
return -1;
}
if (bus->nfree == 0) {
error_report("Error: tried to attach usb device %s to a bus with no free ports\n",
dev->product_desc);
return -1;
}
if (dev->port_path) {
QTAILQ_FOREACH(port, &bus->free, next) {
......@@ -188,13 +193,18 @@ static void do_attach(USBDevice *dev)
}
}
if (port == NULL) {
fprintf(stderr, "Warning: usb port %s (bus %s) not found\n",
error_report("Error: usb port %s (bus %s) not found\n",
dev->port_path, bus->qbus.name);
return;
return -1;
}
} else {
port = QTAILQ_FIRST(&bus->free);
}
if (!(port->speedmask & dev->speedmask)) {
error_report("Warning: speed mismatch trying to attach usb device %s to bus %s\n",
dev->product_desc, bus->qbus.name);
return -1;
}
dev->attached++;
QTAILQ_REMOVE(&bus->free, port, next);
......@@ -204,6 +214,8 @@ static void do_attach(USBDevice *dev)
QTAILQ_INSERT_TAIL(&bus->used, port, next);
bus->nused++;
return 0;
}
int usb_device_attach(USBDevice *dev)
......@@ -215,8 +227,7 @@ int usb_device_attach(USBDevice *dev)
(unless a physical port location is specified). */
usb_create_simple(bus, "usb-hub");
}
do_attach(dev);
return 0;
return do_attach(dev);
}
int usb_device_detach(USBDevice *dev)
......@@ -225,7 +236,7 @@ int usb_device_detach(USBDevice *dev)
USBPort *port;
if (!dev->attached) {
fprintf(stderr, "Warning: tried to detach unattached usb device %s\n",
error_report("Error: tried to detach unattached usb device %s\n",
dev->product_desc);
return -1;
}
......
hw/usb-ccid.c
浏览文件 @ 656acddb
......@@ -1271,6 +1271,7 @@ static int ccid_initfn(USBDevice *dev)
s->migration_target_ip = 0;
s->migration_target_port = 0;
s->dev.speed = USB_SPEED_FULL;
s->dev.speedmask = USB_SPEED_MASK_FULL;
s->notify_slot_change = false;
s->powered = true;
s->pending_answers_num = 0;
......
hw/usb-desc.c
浏览文件 @ 656acddb
......@@ -242,7 +242,17 @@ static void usb_desc_setdefaults(USBDevice *dev)
void usb_desc_init(USBDevice *dev)
{
const USBDesc *desc = dev->info->usb_desc;
assert(desc != NULL);
dev->speed = USB_SPEED_FULL;
dev->speedmask = 0;
if (desc->full) {
dev->speedmask |= USB_SPEED_MASK_FULL;
}
if (desc->high) {
dev->speedmask |= USB_SPEED_MASK_HIGH;
}
usb_desc_setdefaults(dev);
}
......@@ -375,6 +385,10 @@ int usb_desc_get_descriptor(USBDevice *dev, int value, uint8_t *dest, size_t len
trace_usb_desc_other_speed_config(dev->addr, index, len, ret);
break;
case USB_DT_DEBUG:
/* ignore silently */
break;
default:
fprintf(stderr, "%s: %d unknown type %d (len %zd)\n", __FUNCTION__,
dev->addr, type, len);
......
hw/usb-ehci.c
浏览文件 @ 656acddb
......@@ -130,7 +130,7 @@
#define PORTSC_CONNECT (1 << 0) // Current Connect Status
#define FRAME_TIMER_FREQ 1000
#define FRAME_TIMER_USEC (1000000 / FRAME_TIMER_FREQ)
#define FRAME_TIMER_NS (1000000000 / FRAME_TIMER_FREQ)
#define NB_MAXINTRATE 8 // Max rate at which controller issues ints
#define NB_PORTS 4 // Number of downstream ports
......@@ -348,7 +348,8 @@ struct EHCIQueue {
EHCIState *ehci;
QTAILQ_ENTRY(EHCIQueue) next;
bool async_schedule;
uint32_t seen, ts;
uint32_t seen;
uint64_t ts;
/* cached data from guest - needs to be flushed
* when guest removes an entry (doorbell, handshake sequence)
......@@ -373,6 +374,11 @@ struct EHCIState {
target_phys_addr_t mem_base;
int mem;
int num_ports;
/* properties */
uint32_t freq;
uint32_t maxframes;
/*
* EHCI spec version 1.0 Section 2.3
* Host Controller Operational Registers
......@@ -413,12 +419,11 @@ struct EHCIState {
uint8_t ibuffer[BUFF_SIZE];
int isoch_pause;
uint32_t last_run_usec;
uint32_t frame_end_usec;
uint64_t last_run_ns;
};
#define SET_LAST_RUN_CLOCK(s) \
(s)->last_run_usec = qemu_get_clock_ns(vm_clock) / 1000;
(s)->last_run_ns = qemu_get_clock_ns(vm_clock);
/* nifty macros from Arnon's EHCI version */
#define get_field(data, field) \
......@@ -685,10 +690,10 @@ static void ehci_queues_rip_unused(EHCIState *ehci)
QTAILQ_FOREACH_SAFE(q, &ehci->queues, next, tmp) {
if (q->seen) {
q->seen = 0;
q->ts = ehci->last_run_usec;
q->ts = ehci->last_run_ns;
continue;
}
if (ehci->last_run_usec < q->ts + 250000) {
if (ehci->last_run_ns < q->ts + 250000000) {
/* allow 0.25 sec idle */
continue;
}
......@@ -2040,23 +2045,16 @@ static void ehci_frame_timer(void *opaque)
{
EHCIState *ehci = opaque;
int64_t expire_time, t_now;
int usec_elapsed;
uint64_t ns_elapsed;
int frames;
int usec_now;
int i;
int skipped_frames = 0;
t_now = qemu_get_clock_ns(vm_clock);
expire_time = t_now + (get_ticks_per_sec() / FRAME_TIMER_FREQ);
if (expire_time == t_now) {
expire_time++;
}
expire_time = t_now + (get_ticks_per_sec() / ehci->freq);
usec_now = t_now / 1000;
usec_elapsed = usec_now - ehci->last_run_usec;
frames = usec_elapsed / FRAME_TIMER_USEC;
ehci->frame_end_usec = usec_now + FRAME_TIMER_USEC - 10;
ns_elapsed = t_now - ehci->last_run_ns;
frames = ns_elapsed / FRAME_TIMER_NS;
for (i = 0; i < frames; i++) {
if ( !(ehci->usbsts & USBSTS_HALT)) {
......@@ -2073,13 +2071,13 @@ static void ehci_frame_timer(void *opaque)
ehci->sofv &= 0x000003ff;
}
if (frames - i > 10) {
if (frames - i > ehci->maxframes) {
skipped_frames++;
} else {
ehci_advance_periodic_state(ehci);
}
ehci->last_run_usec += FRAME_TIMER_USEC;
ehci->last_run_ns += FRAME_TIMER_NS;
}
#if 0
......@@ -2146,6 +2144,11 @@ static PCIDeviceInfo ehci_info = {
.device_id = PCI_DEVICE_ID_INTEL_82801D,
.revision = 0x10,
.class_id = PCI_CLASS_SERIAL_USB,
.qdev.props = (Property[]) {
DEFINE_PROP_UINT32("freq", EHCIState, freq, FRAME_TIMER_FREQ),
DEFINE_PROP_UINT32("maxframes", EHCIState, maxframes, 128),
DEFINE_PROP_END_OF_LIST(),
},
};
static int usb_ehci_initfn(PCIDevice *dev)
......
hw/usb-msd.c
浏览文件 @ 656acddb
......@@ -51,6 +51,7 @@ typedef struct {
SCSIRequest *req;
SCSIBus bus;
BlockConf conf;
char *serial;
SCSIDevice *scsi_dev;
uint32_t removable;
int result;
......@@ -497,8 +498,9 @@ static void usb_msd_password_cb(void *opaque, int err)
MSDState *s = opaque;
if (!err)
usb_device_attach(&s->dev);
else
err = usb_device_attach(&s->dev);
if (err)
qdev_unplug(&s->dev.qdev);
}
......@@ -531,9 +533,15 @@ static int usb_msd_initfn(USBDevice *dev)
bdrv_detach(bs, &s->dev.qdev);
s->conf.bs = NULL;
dinfo = drive_get_by_blockdev(bs);
if (dinfo && dinfo->serial) {
usb_desc_set_string(dev, STR_SERIALNUMBER, dinfo->serial);
if (!s->serial) {
/* try to fall back to value set with legacy -drive serial=... */
dinfo = drive_get_by_blockdev(bs);
if (*dinfo->serial) {
s->serial = strdup(dinfo->serial);
}
}
if (s->serial) {
usb_desc_set_string(dev, STR_SERIALNUMBER, s->serial);
}
usb_desc_init(dev);
......@@ -632,6 +640,7 @@ static struct USBDeviceInfo msd_info = {
.usbdevice_init = usb_msd_init,
.qdev.props = (Property[]) {
DEFINE_BLOCK_PROPERTIES(MSDState, conf),
DEFINE_PROP_STRING("serial", MSDState, serial),
DEFINE_PROP_BIT("removable", MSDState, removable, 0, false),
DEFINE_PROP_END_OF_LIST(),
},
......
hw/usb-ohci.c
浏览文件 @ 656acddb
......@@ -373,14 +373,25 @@ static void ohci_wakeup(USBDevice *dev)
OHCIState *s = container_of(bus, OHCIState, bus);
int portnum = dev->port->index;
OHCIPort *port = &s->rhport[portnum];
uint32_t intr = 0;
if (port->ctrl & OHCI_PORT_PSS) {
DPRINTF("usb-ohci: port %d: wakeup\n", portnum);
port->ctrl |= OHCI_PORT_PSSC;
port->ctrl &= ~OHCI_PORT_PSS;
if ((s->ctl & OHCI_CTL_HCFS) == OHCI_USB_SUSPEND) {
ohci_set_interrupt(s, OHCI_INTR_RD);
}
intr = OHCI_INTR_RHSC;
}
/* Note that the controller can be suspended even if this port is not */
if ((s->ctl & OHCI_CTL_HCFS) == OHCI_USB_SUSPEND) {
DPRINTF("usb-ohci: remote-wakeup: SUSPEND->RESUME\n");
/* This is the one state transition the controller can do by itself */
s->ctl &= ~OHCI_CTL_HCFS;
s->ctl |= OHCI_USB_RESUME;
/* In suspend mode only ResumeDetected is possible, not RHSC:
* see the OHCI spec 5.1.2.3.
*/
intr = OHCI_INTR_RD;
}
ohci_set_interrupt(s, intr);
}
/* Reset the controller */
......
hw/usb.h
浏览文件 @ 656acddb
......@@ -130,6 +130,7 @@
#define USB_DT_ENDPOINT 0x05
#define USB_DT_DEVICE_QUALIFIER 0x06
#define USB_DT_OTHER_SPEED_CONFIG 0x07
#define USB_DT_DEBUG 0x0A
#define USB_DT_INTERFACE_ASSOC 0x0B
#define USB_ENDPOINT_XFER_CONTROL 0
......@@ -168,7 +169,10 @@ struct USBDevice {
char *port_path;
void *opaque;
/* Actual connected speed */
int speed;
/* Supported speeds, not in info because it may be variable (hostdevs) */
int speedmask;
uint8_t addr;
char product_desc[32];
int auto_attach;
......
usb-bsd.c
浏览文件 @ 656acddb
......@@ -367,8 +367,10 @@ USBDevice *usb_host_device_open(const char *devname)
if (dev_info.udi_speed == 1) {
dev->dev.speed = USB_SPEED_LOW - 1;
dev->dev.speedmask = USB_SPEED_MASK_LOW;
} else {
dev->dev.speed = USB_SPEED_FULL - 1;
dev->dev.speedmask = USB_SPEED_MASK_FULL;
}
if (strncmp(dev_info.udi_product, "product", 7) != 0) {
......
usb-linux.c
浏览文件 @ 656acddb
......@@ -85,7 +85,6 @@ static int usb_fs_type;
/* 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 */
......@@ -101,6 +100,7 @@ struct endp_data {
int iso_urb_idx;
int iso_buffer_used;
int max_packet_size;
int inflight;
};
struct USBAutoFilter {
......@@ -120,6 +120,7 @@ typedef struct USBHostDevice {
int configuration;
int ninterfaces;
int closing;
uint32_t iso_urb_count;
Notifier exit;
struct endp_data endp_table[MAX_ENDPOINTS];
......@@ -142,74 +143,91 @@ 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 struct endp_data *get_endp(USBHostDevice *s, int ep)
{
return s->endp_table + ep - 1;
}
static int is_isoc(USBHostDevice *s, int ep)
{
return s->endp_table[ep - 1].type == USBDEVFS_URB_TYPE_ISO;
return get_endp(s, ep)->type == USBDEVFS_URB_TYPE_ISO;
}
static int is_valid(USBHostDevice *s, int ep)
{
return s->endp_table[ep - 1].type != INVALID_EP_TYPE;
return get_endp(s, ep)->type != INVALID_EP_TYPE;
}
static int is_halted(USBHostDevice *s, int ep)
{
return s->endp_table[ep - 1].halted;
return get_endp(s, ep)->halted;
}
static void clear_halt(USBHostDevice *s, int ep)
{
s->endp_table[ep - 1].halted = 0;
get_endp(s, ep)->halted = 0;
}
static void set_halt(USBHostDevice *s, int ep)
{
s->endp_table[ep - 1].halted = 1;
get_endp(s, ep)->halted = 1;
}
static int is_iso_started(USBHostDevice *s, int ep)
{
return s->endp_table[ep - 1].iso_started;
return get_endp(s, ep)->iso_started;
}
static void clear_iso_started(USBHostDevice *s, int ep)
{
s->endp_table[ep - 1].iso_started = 0;
get_endp(s, ep)->iso_started = 0;
}
static void set_iso_started(USBHostDevice *s, int ep)
{
s->endp_table[ep - 1].iso_started = 1;
struct endp_data *e = get_endp(s, ep);
if (!e->iso_started) {
e->iso_started = 1;
e->inflight = 0;
}
}
static int change_iso_inflight(USBHostDevice *s, int ep, int value)
{
struct endp_data *e = get_endp(s, ep);
e->inflight += value;
return e->inflight;
}
static void set_iso_urb(USBHostDevice *s, int ep, AsyncURB *iso_urb)
{
s->endp_table[ep - 1].iso_urb = iso_urb;
get_endp(s, ep)->iso_urb = iso_urb;
}
static AsyncURB *get_iso_urb(USBHostDevice *s, int ep)
{
return s->endp_table[ep - 1].iso_urb;
return get_endp(s, ep)->iso_urb;
}
static void set_iso_urb_idx(USBHostDevice *s, int ep, int i)
{
s->endp_table[ep - 1].iso_urb_idx = i;
get_endp(s, ep)->iso_urb_idx = i;
}
static int get_iso_urb_idx(USBHostDevice *s, int ep)
{
return s->endp_table[ep - 1].iso_urb_idx;
return get_endp(s, ep)->iso_urb_idx;
}
static void set_iso_buffer_used(USBHostDevice *s, int ep, int i)
{
s->endp_table[ep - 1].iso_buffer_used = i;
get_endp(s, ep)->iso_buffer_used = i;
}
static int get_iso_buffer_used(USBHostDevice *s, int ep)
{
return s->endp_table[ep - 1].iso_buffer_used;
return get_endp(s, ep)->iso_buffer_used;
}
static void set_max_packet_size(USBHostDevice *s, int ep, uint8_t *descriptor)
......@@ -223,14 +241,12 @@ static void set_max_packet_size(USBHostDevice *s, int ep, uint8_t *descriptor)
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, ep)->max_packet_size = size * microframes;
}
static int get_max_packet_size(USBHostDevice *s, int ep)
{
return s->endp_table[ep - 1].max_packet_size;
return get_endp(s, ep)->max_packet_size;
}
/*
......@@ -279,6 +295,7 @@ static void async_complete(void *opaque)
{
USBHostDevice *s = opaque;
AsyncURB *aurb;
int urbs = 0;
while (1) {
USBPacket *p;
......@@ -286,6 +303,9 @@ static void async_complete(void *opaque)
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) {
......@@ -303,10 +323,16 @@ static void async_complete(void *opaque)
/* 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;
if (aurb->urb.status == -EPIPE) {
set_halt(s, aurb->urb.endpoint & 0xf);
}
aurb->iso_frame_idx = 0;
urbs++;
inflight = change_iso_inflight(s, aurb->urb.endpoint & 0xf, -1);
if (inflight == 0 && is_iso_started(s, aurb->urb.endpoint & 0xf)) {
fprintf(stderr, "husb: out of buffers for iso stream\n");
}
continue;
}
......@@ -502,8 +528,8 @@ static AsyncURB *usb_host_alloc_iso(USBHostDevice *s, uint8_t ep, int in)
AsyncURB *aurb;
int i, j, len = get_max_packet_size(s, ep);
aurb = qemu_mallocz(ISO_URB_COUNT * sizeof(*aurb));
for (i = 0; i < ISO_URB_COUNT; i++) {
aurb = qemu_mallocz(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);
......@@ -533,7 +559,7 @@ static void usb_host_stop_n_free_iso(USBHostDevice *s, uint8_t ep)
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]);
......@@ -551,7 +577,7 @@ static void usb_host_stop_n_free_iso(USBHostDevice *s, uint8_t ep)
async_complete(s);
}
for (i = 0; i < ISO_URB_COUNT; i++) {
for (i = 0; i < s->iso_urb_count; i++) {
qemu_free(aurb[i].urb.buffer);
}
......@@ -636,7 +662,7 @@ static int usb_host_handle_iso_data(USBHostDevice *s, USBPacket *p, int in)
}
aurb[i].iso_frame_idx++;
if (aurb[i].iso_frame_idx == ISO_FRAME_DESC_PER_URB) {
i = (i + 1) % ISO_URB_COUNT;
i = (i + 1) % s->iso_urb_count;
set_iso_urb_idx(s, p->devep, i);
}
} else {
......@@ -649,7 +675,7 @@ static int usb_host_handle_iso_data(USBHostDevice *s, USBPacket *p, int in)
if (is_iso_started(s, 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) {
......@@ -667,6 +693,7 @@ static int usb_host_handle_iso_data(USBHostDevice *s, USBPacket *p, int in)
break;
}
aurb[i].iso_frame_idx = -1;
change_iso_inflight(s, p->devep, +1);
}
}
}
......@@ -1061,6 +1088,42 @@ static int usb_linux_update_endp_table(USBHostDevice *s)
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 speed)
{
......@@ -1140,6 +1203,10 @@ static int usb_host_open(USBHostDevice *dev, int bus_num,
}
}
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;
}
printf("husb: grabbed usb device %d.%d\n", bus_num, addr);
......@@ -1151,10 +1218,14 @@ static int usb_host_open(USBHostDevice *dev, int bus_num,
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:
......@@ -1230,6 +1301,7 @@ static struct USBDeviceInfo usb_host_dev_info = {
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(),
},
};
......
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