[SCSI] mptsas: add support for PHY resets

Support PHY resets in mptsas.  Thanks to Eric for various bug fixes
and improvements.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index 75105277e22f..e705272bc37a 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -421,6 +421,17 @@ typedef struct _MPT_IOCTL {
         struct semaphore         sem_ioc;
 } MPT_IOCTL;
 
+#define MPT_SAS_MGMT_STATUS_RF_VALID    0x02    /* The Reply Frame is VALID */
+#define MPT_SAS_MGMT_STATUS_COMMAND_GOOD        0x10    /* Command Status GOOD */
+#define MPT_SAS_MGMT_STATUS_TM_FAILED   0x40    /* User TM request failed */
+
+typedef struct _MPT_SAS_MGMT {
+        struct semaphore         mutex;
+        struct completion        done;
+        u8                       reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
+        u8                       status;        /* current command status */
+}MPT_SAS_MGMT;
+
 /*
  *  Event Structure and define
  */
@@ -604,6 +615,7 @@ typedef struct _MPT_ADAPTER
         struct list_head         list;
         struct net_device       *netdev;
         struct list_head         sas_topology;
+        MPT_SAS_MGMT             sas_mgmt;
 } MPT_ADAPTER;
 
 /*