/* Test that block devices can be created */
static int dm_test_blk_base(struct unit_test_state *uts)
{
struct udevice *blk1, *blk3, *dev;
/* Make sure there are no block devices */
ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_BLK, 0, &dev));
/* Create two, one the parent of the other */
ut_assertok(blk_create_device(gd->dm_root, "sandbox_host_blk", "test",
IF_TYPE_HOST, 1, 512, 2, &blk1));
ut_assertok(blk_create_device(blk1, "sandbox_host_blk", "test",
IF_TYPE_HOST, 3, 512, 2, &blk3));
/* Check we can find them */
ut_asserteq(-ENODEV, blk_get_device(IF_TYPE_HOST, 0, &dev));
ut_assertok(blk_get_device(IF_TYPE_HOST, 1, &dev));
ut_asserteq_ptr(blk1, dev);
ut_assertok(blk_get_device(IF_TYPE_HOST, 3, &dev));
ut_asserteq_ptr(blk3, dev);
/* Check we can iterate */
ut_assertok(blk_first_device(IF_TYPE_HOST, &dev));
ut_asserteq_ptr(blk1, dev);
ut_assertok(blk_next_device(&dev));
ut_asserteq_ptr(blk3, dev);
return 0;
}
/*
* Create a block device for a handle
*
* @handle handle
* @interface block io protocol
* @return 0 = success
*/
static int efi_bl_bind(efi_handle_t handle, void *interface)
{
struct udevice *bdev, *parent = dm_root();
int ret, devnum;
char *name;
struct efi_object *obj = efi_search_obj(handle);
struct efi_block_io *io = interface;
int disks;
struct efi_blk_priv *priv;
EFI_PRINT("%s: handle %p, interface %p\n", __func__, handle, io);
if (!obj)
return -ENOENT;
devnum = blk_find_max_devnum(IF_TYPE_EFI);
if (devnum == -ENODEV)
devnum = 0;
else if (devnum < 0)
return devnum;
name = calloc(1, 18); /* strlen("efiblk#2147483648") + 1 */
if (!name)
return -ENOMEM;
sprintf(name, "efiblk#%d", devnum);
/* Create driver model udevice for the EFI block io device */
ret = blk_create_device(parent, "efi_blk", name, IF_TYPE_EFI, devnum,
io->media->block_size,
(lbaint_t)io->media->last_block, &bdev);
if (ret)
return ret;
if (!bdev)
return -ENOENT;
/* Allocate priv */
ret = device_probe(bdev);
if (ret)
return ret;
EFI_PRINT("%s: block device '%s' created\n", __func__, bdev->name);
priv = bdev->priv;
priv->handle = handle;
priv->io = interface;
ret = blk_prepare_device(bdev);
/* Create handles for the partions of the block device */
disks = efi_bl_bind_partitions(handle, bdev);
EFI_PRINT("Found %d partitions\n", disks);
return 0;
}
/* Test that we can find block devices without probing them */
static int dm_test_blk_find(struct unit_test_state *uts)
{
struct udevice *blk, *dev;
ut_assertok(blk_create_device(gd->dm_root, "sandbox_host_blk", "test",
IF_TYPE_HOST, 1, 512, 2, &blk));
ut_asserteq(-ENODEV, blk_find_device(IF_TYPE_HOST, 0, &dev));
ut_assertok(blk_find_device(IF_TYPE_HOST, 1, &dev));
ut_asserteq_ptr(blk, dev);
ut_asserteq(false, device_active(dev));
/* Now activate it */
ut_assertok(blk_get_device(IF_TYPE_HOST, 1, &dev));
ut_asserteq_ptr(blk, dev);
ut_asserteq(true, device_active(dev));
return 0;
}
int host_dev_bind(int devnum, char *filename)
{
struct host_block_dev *host_dev;
struct udevice *dev;
char dev_name[20], *str, *fname;
int ret, fd;
/* Remove and unbind the old device, if any */
ret = blk_get_device(IF_TYPE_HOST, devnum, &dev);
if (ret == 0) {
ret = device_remove(dev);
if (ret)
return ret;
ret = device_unbind(dev);
if (ret)
return ret;
} else if (ret != -ENODEV) {
return ret;
}
if (!filename)
return 0;
snprintf(dev_name, sizeof(dev_name), "host%d", devnum);
str = strdup(dev_name);
if (!str)
return -ENOMEM;
fname = strdup(filename);
if (!fname) {
free(str);
return -ENOMEM;
}
fd = os_open(filename, OS_O_RDWR);
if (fd == -1) {
printf("Failed to access host backing file '%s'\n", filename);
ret = -ENOENT;
goto err;
}
ret = blk_create_device(gd->dm_root, "sandbox_host_blk", str,
IF_TYPE_HOST, devnum, 512,
os_lseek(fd, 0, OS_SEEK_END), &dev);
if (ret)
goto err_file;
ret = device_probe(dev);
if (ret) {
device_unbind(dev);
goto err_file;
}
host_dev = dev_get_priv(dev);
host_dev->fd = fd;
host_dev->filename = fname;
return blk_prepare_device(dev);
err_file:
os_close(fd);
err:
free(fname);
free(str);
return ret;
}