[SCSI] fusion - inactive raid support, and raid event bug fix's

inactive raid support, e.g. exposing hidden raid components
belonging to a volume that are inactive.  Also misc bug fix's for
various raid asyn events.
Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/message/fusion/mptbase.h

@@ -485,10 +485,24 @@ typedef	struct _SasCfgData {
 						 */
 }SasCfgData;
 
+/*
+ * Inactive volume link list of raid component data
+ * @inactive_list
+ */
+struct inactive_raid_component_info {
+	struct 	 list_head list;
+	u8		 volumeID;		/* volume target id */
+	u8		 volumeBus;		/* volume channel */
+	IOC_3_PHYS_DISK	 d;			/* phys disk info */
+};
+
 typedef	struct _RaidCfgData {
 	IOCPage2_t	*pIocPg2;		/* table of Raid Volumes */
 	IOCPage3_t	*pIocPg3;		/* table of physical disks */
-	int		 isRaid;		/* bit field, 1 if RAID */
+	struct semaphore	inactive_list_mutex;
+	struct list_head	inactive_list; /* link list for physical
+						disk that belong in
+						inactive volumes */
 }RaidCfgData;
 
 typedef struct _FcCfgData {
@@ -611,6 +625,8 @@ typedef struct _MPT_ADAPTER
 	u8			 persist_reply_frame[MPT_DEFAULT_FRAME_SIZE]; /* persist reply */
 	LANPage0_t		 lan_cnfg_page0;
 	LANPage1_t		 lan_cnfg_page1;
+
+	u8			 ir_firmware; /* =1 if IR firmware detected */
 	/*
 	 * Description: errata_flag_1064
 	 * If a PCIX read occurs within 1 or 2 cycles after the chip receives
@@ -1043,6 +1059,7 @@ extern void	 mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
 extern void	 mpt_free_fw_memory(MPT_ADAPTER *ioc);
 extern int	 mpt_findImVolumes(MPT_ADAPTER *ioc);
 extern int	 mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
+extern int	 mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhysDiskPage0_t phys_disk);
 
 /*
  *  Public data decl's...

drivers/message/fusion/mptscsih.c

@@ -2244,6 +2244,7 @@ mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
 int
 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
 {
+	struct inactive_raid_component_info *component_info;
 	int i;
 	int rc = 0;
 
@@ -2257,6 +2258,21 @@ mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
 		}
 	}
 
+	/*
+	 * Check inactive list for matching phys disks
+	 */
+	if (list_empty(&ioc->raid_data.inactive_list))
+		goto out;
+
+	down(&ioc->raid_data.inactive_list_mutex);
+	list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
+	    list) {
+		if ((component_info->d.PhysDiskID == id) &&
+		    (component_info->d.PhysDiskBus == channel))
+			rc = 1;
+	}
+	up(&ioc->raid_data.inactive_list_mutex);
+
  out:
 	return rc;
 }
@@ -2265,6 +2281,7 @@ EXPORT_SYMBOL(mptscsih_is_phys_disk);
 u8
 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
 {
+	struct inactive_raid_component_info *component_info;
 	int i;
 	int rc = -ENXIO;
 
@@ -2278,6 +2295,21 @@ mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
 		}
 	}
 
+	/*
+	 * Check inactive list for matching phys disks
+	 */
+	if (list_empty(&ioc->raid_data.inactive_list))
+		goto out;
+
+	down(&ioc->raid_data.inactive_list_mutex);
+	list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
+	    list) {
+		if ((component_info->d.PhysDiskID == id) &&
+		    (component_info->d.PhysDiskBus == channel))
+			rc = component_info->d.PhysDiskNum;
+	}
+	up(&ioc->raid_data.inactive_list_mutex);
+
  out:
 	return rc;
 }

drivers/message/fusion/mptspi.c

@@ -1363,8 +1363,7 @@ mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	/*
 	 * If RAID Firmware Detected, setup virtual channel
 	 */
-	if ((ioc->facts.ProductID & MPI_FW_HEADER_PID_PROD_MASK)
-	    > MPI_FW_HEADER_PID_PROD_TARGET_SCSI)
+	if (ioc->ir_firmware)
 		sh->max_channel = 1;
 	else
 		sh->max_channel = 0;