selftests/mm/hmm-tests.c

92 	int		fd0;
150 	self->fd0 = hmm_open(variant->device_number0);
151 	if (self->fd0 < 0 && hmm_is_coherent_type(variant->device_number0))
153 	ASSERT_GE(self->fd0, 0);
168 	int ret = close(self->fd0);
171 	self->fd0 = -1;
1225 	ret = hmm_migrate_sys_to_dev(self->fd0, buffer, 1);
1527 	ret = hmm_migrate_sys_to_dev(self->fd0, buffer, 1);
1539 	ret = hmm_dmirror_cmd(self->fd0, HMM_DMIRROR_SNAPSHOT, buffer, npages);
1679 	ret = hmm_dmirror_cmd(self->fd0, HMM_DMIRROR_READ, buffer, npages);
1703 	ret = hmm_dmirror_cmd(self->fd0, HMM_DMIRROR_READ, buffer, npages);