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path: root/drivers/mmc/core/queue.c
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Diffstat (limited to 'drivers/mmc/core/queue.c')
-rw-r--r--drivers/mmc/core/queue.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c
index 9edc08685e86..25bee3daf9e2 100644
--- a/drivers/mmc/core/queue.c
+++ b/drivers/mmc/core/queue.c
@@ -62,7 +62,7 @@ enum mmc_issue_type mmc_issue_type(struct mmc_queue *mq, struct request *req)
{
struct mmc_host *host = mq->card->host;
- if (mq->use_cqe)
+ if (mq->use_cqe && !host->hsq_enabled)
return mmc_cqe_issue_type(host, req);
if (req_op(req) == REQ_OP_READ || req_op(req) == REQ_OP_WRITE)
@@ -124,12 +124,14 @@ static enum blk_eh_timer_return mmc_mq_timed_out(struct request *req,
{
struct request_queue *q = req->q;
struct mmc_queue *mq = q->queuedata;
+ struct mmc_card *card = mq->card;
+ struct mmc_host *host = card->host;
unsigned long flags;
int ret;
spin_lock_irqsave(&mq->lock, flags);
- if (mq->recovery_needed || !mq->use_cqe)
+ if (mq->recovery_needed || !mq->use_cqe || host->hsq_enabled)
ret = BLK_EH_RESET_TIMER;
else
ret = mmc_cqe_timed_out(req);
@@ -144,12 +146,13 @@ static void mmc_mq_recovery_handler(struct work_struct *work)
struct mmc_queue *mq = container_of(work, struct mmc_queue,
recovery_work);
struct request_queue *q = mq->queue;
+ struct mmc_host *host = mq->card->host;
mmc_get_card(mq->card, &mq->ctx);
mq->in_recovery = true;
- if (mq->use_cqe)
+ if (mq->use_cqe && !host->hsq_enabled)
mmc_blk_cqe_recovery(mq);
else
mmc_blk_mq_recovery(mq);
@@ -160,6 +163,9 @@ static void mmc_mq_recovery_handler(struct work_struct *work)
mq->recovery_needed = false;
spin_unlock_irq(&mq->lock);
+ if (host->hsq_enabled)
+ host->cqe_ops->cqe_recovery_finish(host);
+
mmc_put_card(mq->card, &mq->ctx);
blk_mq_run_hw_queues(q, true);
@@ -279,6 +285,14 @@ static blk_status_t mmc_mq_queue_rq(struct blk_mq_hw_ctx *hctx,
}
break;
case MMC_ISSUE_ASYNC:
+ /*
+ * For MMC host software queue, we only allow 2 requests in
+ * flight to avoid a long latency.
+ */
+ if (host->hsq_enabled && mq->in_flight[issue_type] > 2) {
+ spin_unlock_irq(&mq->lock);
+ return BLK_STS_RESOURCE;
+ }
break;
default:
/*
@@ -430,7 +444,7 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card)
* The queue depth for CQE must match the hardware because the request
* tag is used to index the hardware queue.
*/
- if (mq->use_cqe)
+ if (mq->use_cqe && !host->hsq_enabled)
mq->tag_set.queue_depth =
min_t(int, card->ext_csd.cmdq_depth, host->cqe_qdepth);
else