[SCSI] transport_sas: add SAS management protocol support
The sas transport class attaches one bsg device to every SAS object
(host, device, expander, etc). LLDs can define a function to handle
SMP requests via sas_function_template::smp_handler.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h
index 97eeb5b..af304fb 100644
--- a/include/scsi/scsi_transport_sas.h
+++ b/include/scsi/scsi_transport_sas.h
@@ -7,7 +7,7 @@
struct scsi_transport_template;
struct sas_rphy;
-
+struct request;
enum sas_device_type {
SAS_PHY_UNUSED,
@@ -172,6 +172,7 @@
int (*phy_reset)(struct sas_phy *, int);
int (*phy_enable)(struct sas_phy *, int);
int (*set_phy_speed)(struct sas_phy *, struct sas_phy_linkrates *);
+ int (*smp_handler)(struct Scsi_Host *, struct sas_rphy *, struct request *);
};