+static void cd_read_sector_cb(void *opaque, int ret)
+{
+ IDEState *s = opaque;
+
+#ifdef DEBUG_IDE_ATAPI
+ printf("cd_read_sector_cb: lba=%d ret=%d\n", s->lba, ret);
+#endif
+
+ if (ret < 0) {
+ block_acct_failed(blk_get_stats(s->blk), &s->acct);
+ ide_atapi_io_error(s, ret);
+ return;
+ }
+
+ block_acct_done(blk_get_stats(s->blk), &s->acct);
+
+ if (s->cd_sector_size == 2352) {
+ cd_data_to_raw(s->io_buffer, s->lba);
+ }
+
+ s->lba++;
+ s->io_buffer_index = 0;
+ s->status &= ~BUSY_STAT;
+
+ ide_atapi_cmd_reply_end(s);
+}
+
+static int cd_read_sector(IDEState *s)
+{
+ if (s->cd_sector_size != 2048 && s->cd_sector_size != 2352) {
+ block_acct_invalid(blk_get_stats(s->blk), BLOCK_ACCT_READ);
+ return -EINVAL;
+ }
+
+ s->iov.iov_base = (s->cd_sector_size == 2352) ?
+ s->io_buffer + 16 : s->io_buffer;
+
+ s->iov.iov_len = 4 * BDRV_SECTOR_SIZE;
+ qemu_iovec_init_external(&s->qiov, &s->iov, 1);
+
+#ifdef DEBUG_IDE_ATAPI
+ printf("cd_read_sector: lba=%d\n", s->lba);
+#endif
+
+ block_acct_start(blk_get_stats(s->blk), &s->acct,
+ 4 * BDRV_SECTOR_SIZE, BLOCK_ACCT_READ);
+
+ ide_buffered_readv(s, (int64_t)s->lba << 2, &s->qiov, 4,
+ cd_read_sector_cb, s);
+
+ s->status |= BUSY_STAT;
+ return 0;
+}
+