mpt3sas: Add branding string support for OEM's HBA

Added the following Dell branding to the mpt3sas driver.

"VendorID"   "DeviceID"  "SubsystemVendor ID"  "SubsystemDevice ID"  Dell Branding String
0x1000        0x0097          0x1028                 0x1F46            DELL 12Gbps HBA

Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 0af5744..3318e43 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -2367,6 +2367,41 @@
 
 
 /**
+ * _base_display_dell_branding - Display branding string
+ * @ioc: per adapter object
+ *
+ * Return nothing.
+ */
+static void
+_base_display_dell_branding(struct MPT3SAS_ADAPTER *ioc)
+{
+	if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_DELL)
+		return;
+
+	switch (ioc->pdev->device) {
+	case MPI25_MFGPAGE_DEVID_SAS3008:
+		switch (ioc->pdev->subsystem_device) {
+		case MPT3SAS_DELL_12G_HBA_SSDID:
+			pr_info(MPT3SAS_FMT "%s\n", ioc->name,
+				MPT3SAS_DELL_12G_HBA_BRANDING);
+			break;
+		default:
+			pr_info(MPT3SAS_FMT
+			   "Dell 12Gbps HBA: Subsystem ID: 0x%X\n", ioc->name,
+			   ioc->pdev->subsystem_device);
+			break;
+		}
+		break;
+	default:
+		pr_info(MPT3SAS_FMT
+			"Dell 12Gbps HBA: Subsystem ID: 0x%X\n", ioc->name,
+			ioc->pdev->subsystem_device);
+		break;
+	}
+}
+
+
+/**
  * _base_display_ioc_capabilities - Disply IOC's capabilities.
  * @ioc: per adapter object
  *
@@ -2396,6 +2431,7 @@
 	    bios_version & 0x000000FF);
 
 	_base_display_intel_branding(ioc);
+	_base_display_dell_branding(ioc);
 
 	pr_info(MPT3SAS_FMT "Protocol=(", ioc->name);
 
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h b/drivers/scsi/mpt3sas/mpt3sas_base.h
index c0c774f..a5a34f3 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.h
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.h
@@ -152,6 +152,17 @@
 #define MPT3SAS_INTEL_RS3UC080_SSDID    0x3524
 
 /*
+ * Dell HBA branding
+ */
+#define MPT3SAS_DELL_12G_HBA_BRANDING       \
+	"Dell 12Gbps HBA"
+
+/*
+ * Dell HBA SSDIDs
+ */
+#define MPT3SAS_DELL_12G_HBA_SSDID	0x1F46
+
+/*
  * status bits for ioc->diag_buffer_status
  */
 #define MPT3_DIAG_BUFFER_IS_REGISTERED	(0x01)