static int cmd_rbd_list(struct vmm_chardev *cdev)
{
int num, count;
char addr[32], size[32];
struct rbd *d;
vmm_cprintf(cdev, "----------------------------------------"
"----------------------------------------\n");
vmm_cprintf(cdev, " %-32s %-22s %-22s\n",
"Name", "Physical Address", "Physical Size");
vmm_cprintf(cdev, "----------------------------------------"
"----------------------------------------\n");
count = rbd_count();
for (num = 0; num < count; num++) {
d = rbd_get(num);
vmm_snprintf(addr, sizeof(addr), "0x%"PRIPADDR, d->addr);
vmm_snprintf(size, sizeof(size), "0x%"PRIPADDR, d->size);
vmm_cprintf(cdev, " %-32s %-22s %-22s\n",
d->bdev->name, addr, size);
}
vmm_cprintf(cdev, "----------------------------------------"
"----------------------------------------\n");
return VMM_OK;
}
static void vmm_fb_cvt_print_name(struct vmm_fb_cvt_data *cvt)
{
u32 pixcount, pixcount_mod;
int cnt = 255, offset = 0, read = 0;
char *buf = vmm_zalloc(256);
if (!buf)
return;
pixcount = (cvt->xres * udiv32(cvt->yres, cvt->interlace))/1000000;
pixcount_mod = (cvt->xres * udiv32(cvt->yres, cvt->interlace)) % 1000000;
pixcount_mod /= 1000;
read = vmm_snprintf(buf+offset, cnt, "fbcvt: %dx%d@%d: CVT Name - ",
cvt->xres, cvt->yres, cvt->refresh);
offset += read;
cnt -= read;
if (cvt->status)
vmm_snprintf(buf+offset, cnt, "Not a CVT standard - %d.%03d Mega "
"Pixel Image\n", pixcount, pixcount_mod);
else {
if (pixcount) {
read = vmm_snprintf(buf+offset, cnt, "%d", pixcount);
cnt -= read;
offset += read;
}
read = vmm_snprintf(buf+offset, cnt, ".%03dM", pixcount_mod);
cnt -= read;
offset += read;
if (cvt->aspect_ratio == 0)
read = vmm_snprintf(buf+offset, cnt, "3");
else if (cvt->aspect_ratio == 3)
read = vmm_snprintf(buf+offset, cnt, "4");
else if (cvt->aspect_ratio == 1 || cvt->aspect_ratio == 4)
read = vmm_snprintf(buf+offset, cnt, "9");
else if (cvt->aspect_ratio == 2)
read = vmm_snprintf(buf+offset, cnt, "A");
else
read = 0;
cnt -= read;
offset += read;
if (cvt->flags & FB_CVT_FLAG_REDUCED_BLANK) {
read = vmm_snprintf(buf+offset, cnt, "-R");
cnt -= read;
offset += read;
}
}
vmm_printf("%s\n", buf);
vmm_free(buf);
}
int __cpuinit vmm_scheduler_init(void)
{
int rc;
char vcpu_name[VMM_FIELD_NAME_SIZE];
u32 cpu = vmm_smp_processor_id();
struct vmm_scheduler_ctrl *schedp = &this_cpu(sched);
/* Reset the scheduler control structure */
memset(schedp, 0, sizeof(struct vmm_scheduler_ctrl));
/* Create ready queue (Per Host CPU) */
schedp->rq = vmm_schedalgo_rq_create();
if (!schedp->rq) {
return VMM_EFAIL;
}
INIT_SPIN_LOCK(&schedp->rq_lock);
/* Initialize current VCPU. (Per Host CPU) */
schedp->current_vcpu = NULL;
/* Initialize IRQ state (Per Host CPU) */
schedp->irq_context = FALSE;
schedp->irq_regs = NULL;
/* Initialize yield on exit (Per Host CPU) */
schedp->yield_on_irq_exit = FALSE;
/* Create timer event and start it. (Per Host CPU) */
INIT_TIMER_EVENT(&schedp->ev, &vmm_scheduler_timer_event, schedp);
/* Create idle orphan vcpu with default time slice. (Per Host CPU) */
vmm_snprintf(vcpu_name, sizeof(vcpu_name), "idle/%d", cpu);
schedp->idle_vcpu = vmm_manager_vcpu_orphan_create(vcpu_name,
(virtual_addr_t)&idle_orphan,
IDLE_VCPU_STACK_SZ,
IDLE_VCPU_PRIORITY,
IDLE_VCPU_TIMESLICE);
if (!schedp->idle_vcpu) {
return VMM_EFAIL;
}
/* The idle vcpu need to stay on this cpu */
if ((rc = vmm_manager_vcpu_set_affinity(schedp->idle_vcpu,
vmm_cpumask_of(cpu)))) {
return rc;
}
/* Kick idle orphan vcpu */
if ((rc = vmm_manager_vcpu_kick(schedp->idle_vcpu))) {
return rc;
}
/* Start scheduler timer event */
vmm_timer_event_start(&schedp->ev, 0);
/* Mark this CPU online */
vmm_set_cpu_online(cpu, TRUE);
return VMM_OK;
}
static int virtio_pci_bar_probe(struct vmm_guest *guest,
struct vmm_emudev *edev,
const struct vmm_devtree_nodeid *eid)
{
int rc = VMM_OK;
struct virtio_pci_dev *vdev;
vdev = vmm_zalloc(sizeof(struct virtio_pci_dev));
if (!vdev) {
rc = VMM_ENOMEM;
goto virtio_pci_probe_done;
}
vdev->guest = guest;
vmm_snprintf(vdev->dev.name, VMM_VIRTIO_DEVICE_MAX_NAME_LEN,
"%s/%s", guest->name, edev->node->name);
vdev->dev.edev = edev;
vdev->dev.tra = &pci_tra;
vdev->dev.tra_data = vdev;
vdev->dev.guest = guest;
vdev->config = (struct vmm_virtio_pci_config) {
.queue_num = 256,
};
rc = vmm_devtree_read_u32(edev->node, "virtio_type",
&vdev->dev.id.type);
if (rc) {
goto virtio_pci_probe_freestate_fail;
}
rc = vmm_devtree_read_u32_atindex(edev->node,
VMM_DEVTREE_INTERRUPTS_ATTR_NAME,
&vdev->irq, 0);
if (rc) {
goto virtio_pci_probe_freestate_fail;
}
if ((rc = vmm_virtio_register_device(&vdev->dev))) {
goto virtio_pci_probe_freestate_fail;
}
edev->priv = vdev;
goto virtio_pci_probe_done;
virtio_pci_probe_freestate_fail:
vmm_free(vdev);
virtio_pci_probe_done:
return rc;
}
static struct vmm_devtree_nodeid virtio_pci_emuid_table[] = {
{
.type = "virtio",
.compatible = "virtio,pci",
},
{ /* end of list */ },
};
static int virtio_mmio_probe(struct vmm_guest *guest,
struct vmm_emudev *edev,
const struct vmm_devtree_nodeid *eid)
{
int rc = VMM_OK;
const char *attr;
struct virtio_mmio_dev *m;
m = vmm_zalloc(sizeof(struct virtio_mmio_dev));
if (!m) {
rc = VMM_EFAIL;
goto virtio_mmio_probe_done;
}
m->guest = guest;
vmm_snprintf(m->dev.name, VIRTIO_DEVICE_MAX_NAME_LEN,
"%s/%s", guest->name, edev->node->name);
m->dev.edev = edev;
m->dev.tra = &mmio_tra;
m->dev.tra_data = m;
m->dev.guest = guest;
m->config = (struct virtio_mmio_config) {
.magic = {'v', 'i', 'r', 't'},
.version = 1,
.vendor_id = 0x52535658, /* XVSR */
.queue_num_max = 256,
};
attr = vmm_devtree_attrval(edev->node, "virtio_type");
if (attr) {
m->config.device_id = *((u32 *)attr);
} else {
rc = VMM_EFAIL;
goto virtio_mmio_probe_freestate_fail;
}
m->dev.id.type = m->config.device_id;
rc = vmm_devtree_irq_get(edev->node, &m->irq, 0);
if (rc) {
goto virtio_mmio_probe_freestate_fail;
}
if ((rc = virtio_register_device(&m->dev))) {
goto virtio_mmio_probe_freestate_fail;
}
edev->priv = m;
goto virtio_mmio_probe_done;
virtio_mmio_probe_freestate_fail:
vmm_free(m);
virtio_mmio_probe_done:
return rc;
}
static int virtio_mmio_probe(struct vmm_guest *guest,
struct vmm_emudev *edev,
const struct vmm_devtree_nodeid *eid)
{
int rc = VMM_OK;
struct virtio_mmio_dev *m;
m = vmm_zalloc(sizeof(struct virtio_mmio_dev));
if (!m) {
rc = VMM_ENOMEM;
goto virtio_mmio_probe_done;
}
m->guest = guest;
vmm_snprintf(m->dev.name, VMM_VIRTIO_DEVICE_MAX_NAME_LEN,
"%s/%s", guest->name, edev->node->name);
m->dev.edev = edev;
m->dev.tra = &mmio_tra;
m->dev.tra_data = m;
m->dev.guest = guest;
m->config = (struct vmm_virtio_mmio_config) {
.magic = {'v', 'i', 'r', 't'},
.version = 1,
.vendor_id = 0x52535658, /* XVSR */
.queue_num_max = 256,
};
rc = vmm_devtree_read_u32(edev->node, "virtio_type",
&m->config.device_id);
if (rc) {
goto virtio_mmio_probe_freestate_fail;
}
m->dev.id.type = m->config.device_id;
rc = vmm_devtree_read_u32_atindex(edev->node,
VMM_DEVTREE_INTERRUPTS_ATTR_NAME,
&m->irq, 0);
if (rc) {
goto virtio_mmio_probe_freestate_fail;
}
if ((rc = vmm_virtio_register_device(&m->dev))) {
goto virtio_mmio_probe_freestate_fail;
}
edev->priv = m;
goto virtio_mmio_probe_done;
virtio_mmio_probe_freestate_fail:
vmm_free(m);
virtio_mmio_probe_done:
return rc;
}
static int cmd_host_cpu_stats(struct vmm_chardev *cdev)
{
int rc;
char str[16];
u32 c, p, khz, util;
unsigned long hwid;
vmm_cprintf(cdev, "----------------------------------------"
"----------------------------------------\n");
vmm_cprintf(cdev, " %4s %14s %15s %13s %12s %16s\n",
"CPU#", "HWID", "Speed (MHz)", "Util. (%)",
"IRQs (%)", "Active VCPUs");
vmm_cprintf(cdev, "----------------------------------------"
"----------------------------------------\n");
for_each_online_cpu(c) {
vmm_cprintf(cdev, " %4d", c);
rc = vmm_smp_map_hwid(c, &hwid);
if (rc)
return rc;
vmm_snprintf(str, sizeof(str), "0x%lx", hwid);
vmm_cprintf(cdev, " %14s", str);
khz = vmm_delay_estimate_cpu_khz(c);
vmm_cprintf(cdev, " %11d.%03d",
udiv32(khz, 1000), umod32(khz, 1000));
util = udiv64(vmm_scheduler_idle_time(c) * 1000,
vmm_scheduler_get_sample_period(c));
util = (util > 1000) ? 1000 : util;
util = 1000 - util;
vmm_cprintf(cdev, " %11d.%01d",
udiv32(util, 10), umod32(util, 10));
util = udiv64(vmm_scheduler_irq_time(c) * 1000,
vmm_scheduler_get_sample_period(c));
util = (util > 1000) ? 1000 : util;
vmm_cprintf(cdev, " %10d.%01d",
udiv32(util, 10), umod32(util, 10));
util = 1;
for (p = VMM_VCPU_MIN_PRIORITY;
p <= VMM_VCPU_MAX_PRIORITY; p++) {
util += vmm_scheduler_ready_count(c, p);
}
vmm_cprintf(cdev, " %15d ", util);
vmm_cprintf(cdev, "\n");
}
vmm_cprintf(cdev, "----------------------------------------"
"----------------------------------------\n");
return VMM_OK;
}
int vmm_blockdev_add_child(struct vmm_blockdev *bdev,
u64 start_lba, u64 num_blocks)
{
int rc;
struct vmm_blockdev *child_bdev;
if (!bdev) {
return VMM_EFAIL;
}
if (bdev->num_blocks < num_blocks) {
return VMM_ERANGE;
}
if ((start_lba < bdev->start_lba) ||
((bdev->start_lba + bdev->num_blocks) <= start_lba)) {
return VMM_ERANGE;
}
if ((bdev->start_lba + bdev->num_blocks) < (start_lba + num_blocks)) {
return VMM_ERANGE;
}
child_bdev = __blockdev_alloc(FALSE);
child_bdev->parent = bdev;
vmm_mutex_lock(&bdev->child_lock);
vmm_snprintf(child_bdev->name, sizeof(child_bdev->name),
"%sp%d", bdev->name, bdev->child_count);
if (strlcpy(child_bdev->desc, bdev->desc, sizeof(child_bdev->desc)) >=
sizeof(child_bdev->desc)) {
rc = VMM_EOVERFLOW;
goto free_blockdev;
}
bdev->child_count++;
list_add_tail(&child_bdev->head, &bdev->child_list);
vmm_mutex_unlock(&bdev->child_lock);
child_bdev->flags = bdev->flags;
child_bdev->start_lba = start_lba;
child_bdev->num_blocks = num_blocks;
child_bdev->block_size = bdev->block_size;
child_bdev->rq = bdev->rq;
rc = vmm_blockdev_register(child_bdev);
if (rc) {
goto remove_from_list;
}
return rc;
remove_from_list:
vmm_mutex_lock(&bdev->child_lock);
list_del(&child_bdev->head);
vmm_mutex_unlock(&bdev->child_lock);
free_blockdev:
__blockdev_free(child_bdev, FALSE);
return rc;
}
int u64_to_size_str(u64 val, char *out, size_t out_len)
{
const char *suffix = "";
if (!out || (out_len < 16))
return VMM_EINVALID;
if (val < SZ_1K) {
suffix = "B";
goto found;
}
val = val >> 10;
if (val < SZ_1K) {
suffix = "KB";
goto found;
}
val = val >> 10;
if (val < SZ_1K) {
suffix = "MB";
goto found;
}
val = val >> 10;
if (val < SZ_1K) {
suffix = "GB";
goto found;
}
val = val >> 10;
if (val < SZ_1K) {
suffix = "TB";
goto found;
}
val = val >> 10;
if (val < SZ_1K) {
suffix = "PB";
goto found;
}
val = val >> 10;
if (val < SZ_1K) {
suffix = "EB";
goto found;
}
suffix = "ZB";
found:
vmm_snprintf(out, out_len, "%"PRIu64" %s", val, suffix);
return VMM_OK;
}
static int virtio_net_connect(struct virtio_device *dev,
struct virtio_emulator *emu)
{
int i, rc;
char *attr;
struct virtio_net_dev *ndev;
struct vmm_netswitch *nsw;
ndev = vmm_zalloc(sizeof(struct virtio_net_dev));
if (!ndev) {
vmm_printf("Failed to allocate virtio net device....\n");
return VMM_EFAIL;
}
ndev->vdev = dev;
vmm_snprintf(ndev->name, VIRTIO_DEVICE_MAX_NAME_LEN, "%s", dev->name);
ndev->port = vmm_netport_alloc(ndev->name, VMM_NETPORT_DEF_QUEUE_SIZE);
ndev->port->mtu = VIRTIO_NET_MTU;
ndev->port->link_changed = virtio_net_set_link;
ndev->port->can_receive = virtio_net_can_receive;
ndev->port->switch2port_xfer = virtio_net_switch2port_xfer;
ndev->port->priv = ndev;
rc = vmm_netport_register(ndev->port);
if (rc) {
vmm_netport_free(ndev->port);
vmm_free(ndev);
return rc;
}
attr = vmm_devtree_attrval(dev->edev->node, "switch");
if (attr) {
nsw = vmm_netswitch_find((char *)attr);
if (!nsw) {
vmm_printf("%s: Cannot find netswitch \"%s\"\n",
__func__, (char *)attr);
} else {
vmm_netswitch_port_add(nsw, ndev->port);
}
}
for (i = 0; i < 6; i++) {
ndev->config.mac[i] = vmm_netport_mac(ndev->port)[i];
}
ndev->config.status = VIRTIO_NET_S_LINK_UP;
dev->emu_data = ndev;
return VMM_OK;
}
static int cmd_rbd_list(struct vmm_chardev *cdev)
{
int num, count;
char addr[32], size[32];
struct rbd *d;
vmm_cprintf(cdev, "----------------------------------------"
"----------------------------------------\n");
vmm_cprintf(cdev, " %-32s %-22s %-22s\n",
"Name", "Physical Address", "Physical Size");
vmm_cprintf(cdev, "----------------------------------------"
"----------------------------------------\n");
count = rbd_count();
for (num = 0; num < count; num++) {
d = rbd_get(num);
if (sizeof(physical_addr_t) == sizeof(u64)) {
vmm_snprintf(addr, sizeof(addr),
"0x%016llx", (u64)d->addr);
} else {
vmm_snprintf(addr, sizeof(addr),
"0x%08x", (u32)d->addr);
}
if (sizeof(physical_size_t) == sizeof(u64)) {
vmm_snprintf(size, sizeof(size),
"0x%016llx", (u64)d->size);
} else {
vmm_snprintf(size, sizeof(size),
"0x%08x", (u32)d->size);
}
vmm_cprintf(cdev, " %-32s %-22s %-22s\n",
d->bdev->name, addr, size);
}
vmm_cprintf(cdev, "----------------------------------------"
"----------------------------------------\n");
return VMM_OK;
}
static struct dir_entry *path_to_dentry(struct vmm_blockdev *mdev,
const char *path,
struct dir_entry *pdentry)
{
char dirname[VFS_MAX_NAME] = { 0 };
struct dir_entry *dentry, *d_root;
int i = 0, rd;
int len = 0;
char rpath[VFS_MAX_NAME];
len = strlen(path);
if (!len) return NULL;
vmm_snprintf(rpath, len, "%s", path);
if (rpath[len - 1] != '/') {
rpath[len] = '/';
rpath[len+1] = 0;
}
path = rpath;
if (*path == '/') {
path++;
if (!*path) return pdentry;
}
while (*path && *path != '/') {
dirname[i] = *path;
path++;
i++;
}
dentry = lookup_dentry(dirname, pdentry);
if (dentry) {
d_root = vmm_zalloc(dentry->dlen.lsb);
rd = vmm_blockdev_read(mdev, (u8 *)d_root,
(dentry->start_lba.lsb * 2048),
dentry->dlen.lsb);
if (rd != dentry->dlen.lsb) {
vmm_free(d_root);
return NULL;
}
dentry = path_to_dentry(mdev, path, d_root);
}
return dentry;
}
static int gen_hex( struct ud *u )
{
unsigned int i;
unsigned char *src_ptr = inp_sess( u );
char* src_hex;
/* bail out if in error stat. */
if ( u->error ) return -1;
/* output buffer pointe */
src_hex = ( char* ) u->insn_hexcode;
/* for each byte used to decode instruction */
for ( i = 0; i < u->inp_ctr; ++i, ++src_ptr) {
vmm_snprintf( src_hex, 32, "%02x", *src_ptr & 0xFF );
src_hex += 2;
}
return 0;
}
static int virtio_blk_connect(struct virtio_device *dev,
struct virtio_emulator *emu)
{
int rc;
char *attr;
struct virtio_blk_dev *bdev;
bdev = vmm_zalloc(sizeof(struct virtio_blk_dev));
if (!bdev) {
vmm_printf("Failed to allocate virtio block device....\n");
return VMM_ENOMEM;
}
bdev->vdev = dev;
vmm_snprintf(bdev->name, VIRTIO_DEVICE_MAX_NAME_LEN, "%s", dev->name);
bdev->blk_client.notifier_call = &virtio_blk_notification;
bdev->blk_client.priority = 0;
rc = vmm_blockdev_register_client(&bdev->blk_client);
if (rc) {
vmm_free(bdev);
return rc;
}
INIT_SPIN_LOCK(&bdev->blk_lock);
attr = vmm_devtree_attrval(dev->edev->node, "blkdev");
if (attr) {
strncpy(bdev->blk_name,attr, VMM_BLOCKDEV_MAX_NAME_SIZE);
bdev->blk = vmm_blockdev_find(bdev->blk_name);
} else {
strncpy(bdev->blk_name,"", VMM_BLOCKDEV_MAX_NAME_SIZE);
bdev->blk = NULL;
}
bdev->config.capacity = (bdev->blk) ? bdev->blk->num_blocks : 0;
bdev->config.seg_max = VIRTIO_BLK_DISK_SEG_MAX,
bdev->config.blk_size =
(bdev->blk) ? bdev->blk->block_size : VIRTIO_BLK_SECTOR_SIZE;
dev->emu_data = bdev;
return VMM_OK;
}
static int cmd_rtcdev_list_iter(struct rtc_device *rd, void *data)
{
int rc;
char path[256];
struct vmm_chardev *cdev = data;
if (rd->dev.parent && rd->dev.parent->of_node) {
rc = vmm_devtree_getpath(path, sizeof(path),
rd->dev.parent->of_node);
if (rc) {
vmm_snprintf(path, sizeof(path),
"----- (error %d)", rc);
}
} else {
strcpy(path, "-----");
}
vmm_cprintf(cdev, " %-24s %-53s\n", rd->name, path);
return VMM_OK;
}
static int semaphore5_run(struct wboxtest *test, struct vmm_chardev *cdev,
u32 test_hcpu)
{
int i, ret = VMM_OK;
char wname[VMM_FIELD_NAME_SIZE];
u8 current_priority = vmm_scheduler_current_priority();
const struct vmm_cpumask *cpu_mask = vmm_cpumask_of(test_hcpu);
/* Initialise global data */
memset(workers, 0, sizeof(workers));
/* Create worker threads */
for (i = 0; i < NUM_THREADS; i++) {
vmm_snprintf(wname, VMM_FIELD_NAME_SIZE,
"semaphore5_worker%d", i);
workers[i] = vmm_threads_create(wname,
semaphore5_worker_thread_main,
(void *)(unsigned long)i,
current_priority,
VMM_THREAD_DEF_TIME_SLICE);
if (workers[i] == NULL) {
ret = VMM_EFAIL;
goto destroy_workers;
}
vmm_threads_set_affinity(workers[i], cpu_mask);
}
/* Do the test */
ret = semaphore5_do_test(cdev);
/* Destroy worker threads */
destroy_workers:
for (i = 0; i < NUM_THREADS; i++) {
if (workers[i]) {
vmm_threads_destroy(workers[i]);
workers[i] = NULL;
}
}
return ret;
}
struct usb_device *usb_alloc_device(struct usb_device *parent,
struct usb_hcd *hcd, unsigned port)
{
int i;
irq_flags_t flags;
struct usb_device *dev;
/* Sanity checks */
if (parent) {
if (USB_MAXCHILDREN <= port) {
return NULL;
}
vmm_spin_lock_irqsave(&parent->children_lock, flags);
if (parent->children[port]) {
vmm_spin_unlock_irqrestore(&parent->children_lock,
flags);
return NULL;
}
vmm_spin_unlock_irqrestore(&parent->children_lock, flags);
}
/* Alloc new device */
dev = vmm_zalloc(sizeof(*dev));
if (!dev) {
return NULL;
}
/* Initialize devdrv context */
vmm_devdrv_initialize_device(&dev->dev);
dev->dev.autoprobe_disabled = TRUE;
dev->dev.parent = (parent) ? &parent->dev : NULL;
dev->dev.bus = &usb_bus_type;
dev->dev.type = &usb_device_type;
/* Increment reference count of HCD */
usb_ref_hcd(hcd);
/* Root hubs aren't true devices, so don't allocate HCD resources */
if (hcd->driver->alloc_dev && parent &&
!hcd->driver->alloc_dev(hcd, dev)) {
usb_dref_hcd(hcd);
vmm_free(dev);
return NULL;
}
/* Update device state */
dev->state = USB_STATE_NOTATTACHED;
/* Update device name, devpath, route, and level */
if (unlikely(!parent)) {
dev->devpath[0] = '0';
dev->route = 0;
dev->level = 0;
vmm_snprintf(dev->dev.name, sizeof(dev->dev.name),
"usb%d", hcd->bus_num);
} else {
if (parent->level == 0) {
/* Root hub port is not counted in route string
* because it is always zero.
*/
vmm_snprintf(dev->devpath, sizeof(dev->devpath),
"%d", port);
} else {
vmm_snprintf(dev->devpath, sizeof(dev->devpath),
"%s.%d", parent->devpath, port);
}
/* Route string assumes hubs have less than 16 ports */
if (port < 15) {
dev->route = parent->route +
(port << (parent->level * 4));
} else {
dev->route = parent->route +
(15 << (parent->level * 4));
}
dev->level = parent->level + 1;
vmm_snprintf(dev->dev.name, sizeof(dev->dev.name),
"usb%d-%s", hcd->bus_num, dev->devpath);
/* FIXME: hub driver sets up TT records */
/* Update parent device */
vmm_spin_lock_irqsave(&parent->children_lock, flags);
parent->children[port] = dev;
vmm_spin_unlock_irqrestore(&parent->children_lock, flags);
}
/* Update rest of the device fields */
dev->portnum = port;
dev->hcd = hcd;
dev->maxchild = 0;
INIT_SPIN_LOCK(&dev->children_lock);
for (i = 0; i < USB_MAXCHILDREN; i++) {
dev->children[i] = NULL;
}
/* Assign device number based on HCD device bitmap
* Note: Device number starts from 1.
* Note: Device number 0 is default device.
*/
vmm_spin_lock_irqsave(&hcd->devicemap_lock, flags);
dev->devnum = 0;
for (i = 0; i < USB_MAXCHILDREN; i++) {
if (!test_bit(i, hcd->devicemap)) {
__set_bit(i, hcd->devicemap);
dev->devnum = i + 1;
break;
}
}
i = dev->devnum;
vmm_spin_unlock_irqrestore(&hcd->devicemap_lock, flags);
if (i == 0) {
usb_dref_hcd(hcd);
vmm_free(dev);
return NULL;
}
return dev;
}