701 UNMAP support for COMSTAR
Contributed by: Sumit Gupta <sumit.gupta@nexenta.com>
Reviewed by: Garrett D'Amore <garrett@nexenta.com>

@@ -19,10 +19,12 @@
  * CDDL HEADER END
  */
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  */
 
 #ifndef _STMF_SBD_IOCTL_H
 #define _STMF_SBD_IOCTL_H
 

@@ -74,10 +76,11 @@
 #define SBD_IOCTL_GET_LU_PROPS                          SBD_IOCTL_DEF(5)
 #define SBD_IOCTL_GET_LU_LIST                           SBD_IOCTL_DEF(6)
 #define SBD_IOCTL_SET_LU_STANDBY                        SBD_IOCTL_DEF(7)
 #define SBD_IOCTL_SET_GLOBAL_LU                         SBD_IOCTL_DEF(8)
 #define SBD_IOCTL_GET_GLOBAL_LU                         SBD_IOCTL_DEF(9)
+#define SBD_IOCTL_GET_UNMAP_PROPS                       SBD_IOCTL_DEF(10)
 
 typedef struct sbd_create_and_reg_lu {
         uint32_t        slu_struct_size;
         uint16_t        slu_meta_fname_valid:1,
                         slu_lu_size_valid:1,

@@ -220,10 +223,20 @@
         char            slp_pid[16];
         uint8_t         slp_guid[16];
         uint8_t         slp_buf[8];     /* likely more than 8 */
 } sbd_lu_props_t;
 
+typedef struct sbd_unmap_props {
+        uint32_t        sup_found_lu:1,
+                        sup_zvol_path_valid:1,
+                        sup_guid_valid:1,
+                        sup_unmap_enabled;
+        uint32_t        sup_rsvd;
+        char            sup_zvol_path[256];
+        uint8_t         sup_guid[16];
+} sbd_unmap_props_t;
+
 #ifdef  __cplusplus
 }
 #endif
 
 #endif /* _STMF_SBD_IOCTL_H */