extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *);
extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *,
struct scatterlist *);
+extern void zfcp_qdio_shost_update(struct zfcp_adapter *const adapter,
+ const struct zfcp_qdio *const qdio);
extern int zfcp_qdio_open(struct zfcp_qdio *);
extern void zfcp_qdio_close(struct zfcp_qdio *);
extern void zfcp_qdio_siosl(struct zfcp_adapter *);
*
* Setup and helper functions to access QDIO.
*
- * Copyright IBM Corp. 2002, 2017
+ * Copyright IBM Corp. 2002, 2020
*/
#define KMSG_COMPONENT "zfcp"
atomic_set(&qdio->req_q_free, 0);
}
+void zfcp_qdio_shost_update(struct zfcp_adapter *const adapter,
+ const struct zfcp_qdio *const qdio)
+{
+ struct Scsi_Host *const shost = adapter->scsi_host;
+
+ if (shost == NULL)
+ return;
+
+ shost->sg_tablesize = qdio->max_sbale_per_req;
+ shost->max_sectors = qdio->max_sbale_per_req * 8;
+}
+
/**
* zfcp_qdio_open - prepare and initialize response queue
* @qdio: pointer to struct zfcp_qdio
atomic_set(&qdio->req_q_free, QDIO_MAX_BUFFERS_PER_Q);
atomic_or(ZFCP_STATUS_ADAPTER_QDIOUP, &qdio->adapter->status);
- if (adapter->scsi_host) {
- adapter->scsi_host->sg_tablesize = qdio->max_sbale_per_req;
- adapter->scsi_host->max_sectors = qdio->max_sbale_per_req * 8;
- }
+ zfcp_qdio_shost_update(adapter, qdio);
return 0;