11 files changed, 4571 insertions, 2457 deletions

diff --git a/drivers/message/fusion/lsi/mpi_history.txt b/drivers/message/fusion/lsi/mpi_history.txt
index 693e4b511354..fa9249b4971a 100644
--- a/drivers/message/fusion/lsi/mpi_history.txt
+++ b/drivers/message/fusion/lsi/mpi_history.txt
@@ -130,7 +130,7 @@ mpi_ioc.h
  *  08-08-01  01.02.01  Original release for v1.2 work.
  *                      New format for FWVersion and ProductId in
  *                      MSG_IOC_FACTS_REPLY and MPI_FW_HEADER.
- *  08-31-01  01.02.02  Addded event MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE and
+ *  08-31-01  01.02.02  Added event MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE and
  *                      related structure and defines.
  *                      Added event MPI_EVENT_ON_BUS_TIMER_EXPIRED.
  *                      Added MPI_IOCINIT_FLAGS_DISCARD_FW_IMAGE.
@@ -190,7 +190,7 @@ mpi_ioc.h
  *  10-11-06  01.05.12  Added MPI_IOCFACTS_EXCEPT_METADATA_UNSUPPORTED.
  *                      Added MaxInitiators field to PortFacts reply.
  *                      Added SAS Device Status Change ReasonCode for
- *                      asynchronous notificaiton.
+ *                      asynchronous notification.
  *                      Added MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE and event
  *                      data structure.
  *                      Added new ImageType values for FWDownload and FWUpload
@@ -623,7 +623,7 @@ mpi_fc.h
  *  11-02-00  01.01.01  Original release for post 1.0 work
  *  12-04-00  01.01.02  Added messages for Common Transport Send and
  *                      Primitive Send.
- *  01-09-01  01.01.03  Modifed some of the new flags to have an MPI prefix
+ *  01-09-01  01.01.03  Modified some of the new flags to have an MPI prefix
  *                      and modified the FcPrimitiveSend flags.
  *  01-25-01  01.01.04  Move InitiatorIndex in LinkServiceRsp reply to a larger
  *                      field.
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 5d496a99e034..0df065275cd3 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -146,7 +146,6 @@ static MPT_EVHANDLER		 MptEvHandlers[MPT_MAX_PROTOCOL_DRIVERS];
 static MPT_RESETHANDLER          MptResetHandlers[MPT_MAX_PROTOCOL_DRIVERS];
 static struct mpt_pci_driver    *MptDeviceDriverHandlers[MPT_MAX_PROTOCOL_DRIVERS];
 
-static DECLARE_WAIT_QUEUE_HEAD(mpt_waitq);
 
 /*
  *  Driver Callback Index's
@@ -159,7 +158,8 @@ static u8 last_drv_idx;
  *  Forward protos...
  */
 static irqreturn_t mpt_interrupt(int irq, void *bus_id);
-static int      mpt_base_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
+static int      mptbase_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
+                MPT_FRAME_HDR *reply);
 static int      mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes,
                         u32 *req, int replyBytes, u16 *u16reply, int maxwait,
                         int sleepFlag);
@@ -190,9 +190,9 @@ static int	mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum);
 static int      mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum);
 static void     mpt_read_ioc_pg_1(MPT_ADAPTER *ioc);
 static void     mpt_read_ioc_pg_4(MPT_ADAPTER *ioc);
-static void     mpt_timer_expired(unsigned long data);
 static void     mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc);
-static int      SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch);
+static int      SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch,
+        int sleepFlag);
 static int      SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp);
 static int      mpt_host_page_access_control(MPT_ADAPTER *ioc, u8 access_control_value, int sleepFlag);
 static int      mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init);
@@ -207,8 +207,8 @@ static int	procmpt_iocinfo_read(char *buf, char **start, off_t offset,
 #endif
 static void     mpt_get_fw_exp_ver(char *buf, MPT_ADAPTER *ioc);
 
-//int           mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
-static int      ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply, int *evHandlers);
+static int      ProcessEventNotification(MPT_ADAPTER *ioc,
+                EventNotificationReply_t *evReply, int *evHandlers);
 static void     mpt_iocstatus_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf);
 static void     mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info);
 static void     mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info);
@@ -277,6 +277,56 @@ mpt_get_cb_idx(MPT_DRIVER_CLASS dclass)
 }
 
 /**
+ * mpt_is_discovery_complete - determine if discovery has completed
+ * @ioc: per adatper instance
+ *
+ * Returns 1 when discovery completed, else zero.
+ */
+static int
+mpt_is_discovery_complete(MPT_ADAPTER *ioc)
+{
+        ConfigExtendedPageHeader_t hdr;
+        CONFIGPARMS cfg;
+        SasIOUnitPage0_t *buffer;
+        dma_addr_t dma_handle;
+        int rc = 0;
+
+        memset(&hdr, 0, sizeof(ConfigExtendedPageHeader_t));
+        memset(&cfg, 0, sizeof(CONFIGPARMS));
+        hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION;
+        hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
+        hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
+        cfg.cfghdr.ehdr = &hdr;
+        cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
+
+        if ((mpt_config(ioc, &cfg)))
+                goto out;
+        if (!hdr.ExtPageLength)
+                goto out;
+
+        buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
+            &dma_handle);
+        if (!buffer)
+                goto out;
+
+        cfg.physAddr = dma_handle;
+        cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
+
+        if ((mpt_config(ioc, &cfg)))
+                goto out_free_consistent;
+
+        if (!(buffer->PhyData[0].PortFlags &
+            MPI_SAS_IOUNIT0_PORT_FLAGS_DISCOVERY_IN_PROGRESS))
+                rc = 1;
+
+ out_free_consistent:
+        pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
+            buffer, dma_handle);
+ out:
+        return rc;
+}
+
+/**
  *      mpt_fault_reset_work - work performed on workq after ioc fault
  *      @work: input argument, used to derive ioc
  *
@@ -290,7 +340,7 @@ mpt_fault_reset_work(struct work_struct *work)
         int              rc;
         unsigned long    flags;
 
-        if (ioc->diagPending || !ioc->active)
+        if (ioc->ioc_reset_in_progress || !ioc->active)
                 goto out;
 
         ioc_raw_state = mpt_GetIocState(ioc, 0);
@@ -307,6 +357,12 @@ mpt_fault_reset_work(struct work_struct *work)
                         printk(MYIOC_s_WARN_FMT "IOC is in FAULT state after "
                             "reset (%04xh)\n", ioc->name, ioc_raw_state &
                             MPI_DOORBELL_DATA_MASK);
+        } else if (ioc->bus_type == SAS && ioc->sas_discovery_quiesce_io) {
+                if ((mpt_is_discovery_comp