OS-1996 mpt_sas: allow physical topology enumeration in libtopo
Reviewed by: Keith Wesolowski <keith.wesolowski@joyent.com>

*** 21,30 ****
--- 21,33 ----
  
  /*
   * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
+ /*
+  * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+  */
  
  /*
   * Copyright (c) 2000 to 2010, LSI Corporation.
   * All rights reserved.
   *
*** 69,78 ****
--- 72,82 ----
  #define MPTIOCTL_EVENT_ENABLE           (MPTIOCTL | 6)
  #define MPTIOCTL_EVENT_REPORT           (MPTIOCTL | 7)
  #define MPTIOCTL_GET_PCI_INFO           (MPTIOCTL | 8)
  #define MPTIOCTL_DIAG_ACTION            (MPTIOCTL | 9)
  #define MPTIOCTL_REG_ACCESS             (MPTIOCTL | 10)
+ #define MPTIOCTL_GET_DISK_INFO          (MPTIOCTL | 11)
  
  /*
   *  The following are our ioctl() return status values.  If everything went
   *  well, we return good status.  If the buffer length sent to us is too short
   *  we return a status to tell the user.
*** 294,303 ****
--- 298,336 ----
          uint32_t        Command;
          uint32_t        RegOffset;
          uint32_t        RegData;
  } mptsas_reg_access_t;
  
+ /*
+  * Disk Toplogy Information
+  */
+ typedef struct mptsas_disk_info
+ {
+         uint64_t        SasAddress;
+         uint16_t        Instance;
+         uint16_t        Enclosure;
+         uint16_t        Slot;
+ } mptsas_disk_info_t;
+ 
+ typedef struct mptsas_get_disk_info
+ {
+         uint16_t                DiskCount;
+         mptsas_disk_info_t      *PtrDiskInfoArray;
+         uint64_t                DiskInfoArraySize;
+ } mptsas_get_disk_info_t;
+ 
+ #ifdef _KERNEL
+ 
+ typedef struct mptsas_get_disk_info32
+ {
+         uint16_t                DiskCount;
+         caddr32_t               PtrDiskInfoArray;
+         uint64_t                DiskInfoArraySize;
+ } mptsas_get_disk_info32_t;
+ 
+ #endif /* _KERNEL */
+ 
  #ifdef  __cplusplus
  }
  #endif
  
  #endif  /* _MPTSAS_IOCTL_H */