USBDevice *usb_msd_init(const char *filename, BlockDriverState **pbs)
{
MSDState *s;
BlockDriverState *bdrv;
BlockDriver *drv = NULL;
const char *p1;
char fmt[32];
p1 = strchr(filename, ':');
if (p1++) {
const char *p2;
if (strstart(filename, "format=", &p2)) {
int len = MIN(p1 - p2, sizeof(fmt));
pstrcpy(fmt, len, p2);
drv = bdrv_find_format(fmt);
if (!drv) {
printf("invalid format %s\n", fmt);
return NULL;
}
} else if (*filename != ':') {
printf("unrecognized USB mass-storage option %s\n", filename);
return NULL;
}
filename = p1;
}
if (!*filename) {
printf("block device specification needed\n");
return NULL;
}
s = qemu_mallocz(sizeof(MSDState));
bdrv = bdrv_new("usb");
if (bdrv_open2(bdrv, filename, 0, drv) < 0)
goto fail;
s->bs = bdrv;
*pbs = bdrv;
s->dev.speed = USB_SPEED_FULL;
s->dev.handle_packet = usb_generic_handle_packet;
s->dev.handle_reset = usb_msd_handle_reset;
s->dev.handle_control = usb_msd_handle_control;
s->dev.handle_data = usb_msd_handle_data;
s->dev.handle_destroy = usb_msd_handle_destroy;
snprintf(s->dev.devname, sizeof(s->dev.devname), "QEMU USB MSD(%.16s)",
filename);
s->scsi_dev = scsi_disk_init(bdrv, 0, usb_msd_command_complete, s);
usb_msd_handle_reset((USBDevice *)s);
return (USBDevice *)s;
fail:
qemu_free(s);
return NULL;
}
USBDevice *usb_msd_init(const char *filename)
{
MSDState *s;
BlockDriverState *bdrv;
s = qemu_mallocz(sizeof(MSDState));
if (!s)
return NULL;
bdrv = bdrv_new("usb");
if (bdrv_open(bdrv, filename, 0) < 0)
goto fail;
if (qemu_key_check(bdrv, filename))
goto fail;
s->bs = bdrv;
s->dev.speed = USB_SPEED_FULL;
s->dev.handle_packet = usb_generic_handle_packet;
s->dev.handle_reset = usb_msd_handle_reset;
s->dev.handle_control = usb_msd_handle_control;
s->dev.handle_data = usb_msd_handle_data;
s->dev.handle_destroy = usb_msd_handle_destroy;
snprintf(s->dev.devname, sizeof(s->dev.devname), "QEMU USB MSD(%.16s)",
filename);
s->scsi_dev = scsi_disk_init(bdrv, 0, usb_msd_command_complete, s);
usb_msd_handle_reset((USBDevice *)s);
return (USBDevice *)s;
fail:
qemu_free(s);
return NULL;
}
void esp_scsi_attach(void *opaque, BlockDriverState *bd, int id)
{
ESPState *s = (ESPState *)opaque;
if (id < 0) {
for (id = 0; id < ESP_MAX_DEVS; id++) {
if (id == (s->rregs[ESP_CFG1] & 0x7))
continue;
if (s->scsi_dev[id] == NULL)
break;
}
}
if (id >= ESP_MAX_DEVS) {
DPRINTF("Bad Device ID %d\n", id);
return;
}
if (s->scsi_dev[id]) {
DPRINTF("Destroying device %d\n", id);
s->scsi_dev[id]->destroy(s->scsi_dev[id]);
}
DPRINTF("Attaching block device %d\n", id);
/* Command queueing is not implemented. */
s->scsi_dev[id] = scsi_generic_init(bd, 0, esp_command_complete, s);
if (s->scsi_dev[id] == NULL)
s->scsi_dev[id] = scsi_disk_init(bd, 0, esp_command_complete, s);
}
