[SCSI] expose sas internal class for the domain transport

necessary to make the domain class use the internal structures

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/drivers/scsi/scsi_sas_internal.h b/drivers/scsi/scsi_sas_internal.h
new file mode 100644
index 000000000000..d76e6e3d8ca5
--- /dev/null
+++ b/drivers/scsi/scsi_sas_internal.h
@@ -0,0 +1,38 @@
+#ifndef _SCSI_SAS_INTERNAL_H
+#define _SCSI_SAS_INTERNAL_H
+
+#define SAS_HOST_ATTRS          0
+#define SAS_PORT_ATTRS          17
+#define SAS_RPORT_ATTRS         7
+#define SAS_END_DEV_ATTRS       3
+#define SAS_EXPANDER_ATTRS      7
+
+struct sas_internal {
+        struct scsi_transport_template t;
+        struct sas_function_template *f;
+        struct sas_domain_function_template *dft;
+
+        struct class_device_attribute private_host_attrs[SAS_HOST_ATTRS];
+        struct class_device_attribute private_phy_attrs[SAS_PORT_ATTRS];
+        struct class_device_attribute private_rphy_attrs[SAS_RPORT_ATTRS];
+        struct class_device_attribute private_end_dev_attrs[SAS_END_DEV_ATTRS];
+        struct class_device_attribute private_expander_attrs[SAS_EXPANDER_ATTRS];
+
+        struct transport_container phy_attr_cont;
+        struct transport_container rphy_attr_cont;
+        struct transport_container end_dev_attr_cont;
+        struct transport_container expander_attr_cont;
+
+        /*
+         * The array of null terminated pointers to attributes
+         * needed by scsi_sysfs.c
+         */
+        struct class_device_attribute *host_attrs[SAS_HOST_ATTRS + 1];
+        struct class_device_attribute *phy_attrs[SAS_PORT_ATTRS + 1];
+        struct class_device_attribute *rphy_attrs[SAS_RPORT_ATTRS + 1];
+        struct class_device_attribute *end_dev_attrs[SAS_END_DEV_ATTRS + 1];
+        struct class_device_attribute *expander_attrs[SAS_EXPANDER_ATTRS + 1];
+};
+#define to_sas_internal(tmpl)   container_of(tmpl, struct sas_internal, t)
+
+#endif