diff -drupN a/drivers/mmc/card/queue.h b/drivers/mmc/card/queue.h
--- a/drivers/mmc/card/queue.h	2018-08-06 17:23:04.000000000 +0300
+++ b/drivers/mmc/card/queue.h	2022-06-12 05:28:14.000000000 +0300
@@ -62,6 +62,14 @@ struct mmc_queue {
 	struct mmc_queue_req	mqrq[2];
 	struct mmc_queue_req	*mqrq_cur;
 	struct mmc_queue_req	*mqrq_prev;
+#ifdef CONFIG_MMC_SIMULATE_MAX_SPEED
+	atomic_t max_write_speed;
+	atomic_t max_read_speed;
+	atomic_t cache_size;
+	/* i/o tracking */
+	atomic_long_t cache_used;
+	unsigned long cache_jiffies;
+#endif
 };
 
 extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *,
@@ -70,6 +78,8 @@ extern void mmc_cleanup_queue(struct mmc
 extern void mmc_queue_suspend(struct mmc_queue *);
 extern void mmc_queue_resume(struct mmc_queue *);
 
+extern unsigned int sd_mmc_queue_map_sg(struct mmc_queue *,
+				     struct mmc_queue_req *);
 extern unsigned int mmc_queue_map_sg(struct mmc_queue *,
 				     struct mmc_queue_req *);
 extern void mmc_queue_bounce_pre(struct mmc_queue_req *);