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// SPDX-License-Identifier: (MIT OR Apache-2.0)
#include <fcntl.h>
#include "util.h"
enum {
TEST_FILE_SIZE = 2 * 1024 * 1024,
};
static char filename[] = "fd-XXXXXX";
/*
* Verify that the `fd` property works by opening the path set by crate() and
* passing the file descriptor to the driver.
*/
int main(int argc, char **argv)
{
struct test_opts opts;
struct blkio *b;
char *path = NULL;
int fd;
parse_generic_opts(&opts, argc, argv);
/*
* Only virtio-blk-vhost-vdpa driver supports `fd` among the virtio-blk-*
* drivers
*/
skip_if(driver_is_virtio_blk(opts.driver) &&
!driver_is_virtio_blk_vhost_vdpa(opts.driver));
create(&b, &opts, filename, TEST_FILE_SIZE);
ok(blkio_get_str(b, "path", &path));
fd = open(path, O_RDWR);
assert(fd > 0);
free(path);
path = NULL;
ok(blkio_set_int(b, "fd", fd));
ok(blkio_set_str(b, "path", ""));
ok(blkio_connect(b));
/* After connect "fd" and "path" are read-only */
err(blkio_set_int(b, "fd", fd), -EBUSY);
err(blkio_set_str(b, "path", ""), -EBUSY);
ok(blkio_start(b));
blkio_destroy(&b);
return 0;
}
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