disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/s390/scsi/zfcp_qdio.h
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@@ -30,6 +30,8 @@
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  * @req_q_full: queue full incidents
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  * @req_q_wq: used to wait for SBAL availability
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  * @adapter: adapter used in conjunction with this qdio structure
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+ * @max_sbale_per_sbal: qdio limit per sbal
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+ * @max_sbale_per_req: qdio limit per request
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  */
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 struct zfcp_qdio {
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 	struct qdio_buffer	*res_q[QDIO_MAX_BUFFERS_PER_Q];
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@@ -70,7 +72,7 @@
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 /**
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  * zfcp_qdio_sbale_req - return pointer to sbale on req_q for a request
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  * @qdio: pointer to struct zfcp_qdio
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- * @q_rec: pointer to struct zfcp_qdio_req
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+ * @q_req: pointer to struct zfcp_qdio_req
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  * Returns: pointer to qdio_buffer_element (sbale) structure
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  */
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 static inline struct qdio_buffer_element *
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@@ -82,7 +84,7 @@
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 /**
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  * zfcp_qdio_sbale_curr - return current sbale on req_q for a request
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  * @qdio: pointer to struct zfcp_qdio
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- * @fsf_req: pointer to struct zfcp_fsf_req
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+ * @q_req: pointer to struct zfcp_qdio_req
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  * Returns: pointer to qdio_buffer_element (sbale) structure
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  */
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 static inline struct qdio_buffer_element *
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@@ -120,14 +122,14 @@
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 					% QDIO_MAX_BUFFERS_PER_Q;
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 	sbale = zfcp_qdio_sbale_req(qdio, q_req);
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-	sbale->addr = (void *) req_id;
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+	sbale->addr = req_id;
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 	sbale->eflags = 0;
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 	sbale->sflags = SBAL_SFLAGS0_COMMAND | sbtype;
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 	if (unlikely(!data))
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 		return;
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 	sbale++;
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-	sbale->addr = data;
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+	sbale->addr = virt_to_phys(data);
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 	sbale->length = len;
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 }
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@@ -135,6 +137,8 @@
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  * zfcp_qdio_fill_next - Fill next sbale, only for single sbal requests
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  * @qdio: pointer to struct zfcp_qdio
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  * @q_req: pointer to struct zfcp_queue_req
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+ * @data: pointer to data
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+ * @len: length of data
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  *
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  * This is only required for single sbal requests, calling it when
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  * wrapping around to the next sbal is a bug.
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@@ -148,7 +152,7 @@
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 	BUG_ON(q_req->sbale_curr == qdio->max_sbale_per_sbal - 1);
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 	q_req->sbale_curr++;
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 	sbale = zfcp_qdio_sbale_curr(qdio, q_req);
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-	sbale->addr = data;
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+	sbale->addr = virt_to_phys(data);
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 	sbale->length = len;
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 }
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@@ -182,6 +186,7 @@
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 /**
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  * zfcp_qdio_skip_to_last_sbale - skip to last sbale in sbal
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+ * @qdio: pointer to struct zfcp_qdio
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  * @q_req: The current zfcp_qdio_req
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  */
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 static inline