/*
* This routine does all the creation and setup of a new device, including
* calling new_dev_desc() to allocate the descriptor and device memory. We
* don't actually start the service threads until later.
*
* See what I mean about userspace being boring?
*/
static struct device *new_device(const char *name, u16 type)
{
struct device *dev = malloc(sizeof(*dev));
/* Now we populate the fields one at a time. */
dev->desc = new_dev_desc(type);
dev->name = name;
dev->vq = NULL;
dev->feature_len = 0;
dev->num_vq = 0;
dev->running = false;
/*
* Append to device list. Prepending to a single-linked list is
* easier, but the user expects the devices to be arranged on the bus
* in command-line order. The first network device on the command line
* is eth0, the first block device /dev/vda, etc.
*/
if (devices.lastdev)
devices.lastdev->next = dev;
else
devices.dev = dev;
devices.lastdev = dev;
return dev;
}
static struct device *new_device(const char *name, u16 type)
{
struct device *dev = malloc(sizeof(*dev));
dev->desc = new_dev_desc(type);
dev->name = name;
dev->vq = NULL;
dev->feature_len = 0;
dev->num_vq = 0;
dev->running = false;
dev->next = NULL;
if (devices.lastdev)
devices.lastdev->next = dev;
else
devices.dev = dev;
devices.lastdev = dev;
return dev;
}
