[SCSI] libsas: add host SMP processing
This adds support for host side SMP processing, via a separate
SMP interpreter file.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h
index baa0666..b4f9368 100644
--- a/drivers/scsi/libsas/sas_internal.h
+++ b/drivers/scsi/libsas/sas_internal.h
@@ -80,6 +80,20 @@
void sas_hae_reset(struct work_struct *work);
+#ifdef CONFIG_SCSI_SAS_HOST_SMP
+extern int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
+ struct request *rsp);
+#else
+static inline int sas_smp_host_handler(struct Scsi_Host *shost,
+ struct request *req,
+ struct request *rsp)
+{
+ shost_printk(KERN_ERR, shost,
+ "Cannot send SMP to a sas host (not enabled in CONFIG)\n");
+ return -EINVAL;
+}
+#endif
+
static inline void sas_queue_event(int event, spinlock_t *lock,
unsigned long *pending,
struct work_struct *work,
