174     struct dm_ioctl* io = (struct dm_ioctl*)buffer;  in dm_ioctl_init()  local
175     io->data_size = buffer_size;  in dm_ioctl_init()
176     io->data_start = sizeof(struct dm_ioctl);  in dm_ioctl_init()
177     io->version[0] = 4;  in dm_ioctl_init()
178     io->version[1] = 0;  in dm_ioctl_init()
179     io->version[2] = 0;  in dm_ioctl_init()
180     io->flags = 0;  in dm_ioctl_init()
181     dm_name.copy(io->name, sizeof(io->name));  in dm_ioctl_init()
182     return io;  in dm_ioctl_init()
195     auto io = dm_ioctl_init(buffer, sizeof(buffer), dm_name);  in create_crypto_blk_dev()  local
196     if (!io || ioctl(dm_fd.get(), DM_DEV_CREATE, io) != 0) {  in create_crypto_blk_dev()
202     io = dm_ioctl_init(buffer, sizeof(buffer), dm_name);  in create_crypto_blk_dev()
203     if (ioctl(dm_fd.get(), DM_DEV_STATUS, io) != 0) {  in create_crypto_blk_dev()
208                      std::to_string((io->dev & 0xff) | ((io->dev >> 12) & 0xfff00));  in create_crypto_blk_dev()
210     io = dm_ioctl_init(buffer, sizeof(buffer), dm_name);  in create_crypto_blk_dev()
211     size_t paramix = io->data_start + sizeof(struct dm_target_spec);  in create_crypto_blk_dev()
220     io->target_count = 1;  in create_crypto_blk_dev()
221     auto tgt = (struct dm_target_spec*)(buffer + io->data_start);  in create_crypto_blk_dev()
232         if (ioctl(dm_fd.get(), DM_TABLE_LOAD, io) == 0) {  in create_crypto_blk_dev()
244     io = dm_ioctl_init(buffer, sizeof(buffer), dm_name);  in create_crypto_blk_dev()
245     if (ioctl(dm_fd.get(), DM_DEV_SUSPEND, io)) {  in create_crypto_blk_dev()