[PATCH] aic79xx hostraid support

Patch ported to 2.6.8 by John A. Hull (john_hull@dell.com) to add
support for the aic79xx hostraid family support.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

since AHD_HOSTRAID_BOARD wasn't actually used... a more minimal patch:

drivers/scsi/aic7xxx/aic79xx_osm_pci.c

@@ -64,6 +64,10 @@ static struct pci_device_id ahd_linux_pci_id_table[] = {
 		0x9005, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
 		PCI_CLASS_STORAGE_SCSI << 8, 0xFFFF00, 0
 	},
+	{
+		0x9005, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+		PCI_CLASS_STORAGE_RAID << 8, 0xFFFF00, 0
+	},
 	{ 0 }
 };
 

drivers/scsi/aic7xxx/aic79xx_pci.c

@@ -65,10 +65,10 @@ ahd_compose_id(u_int device, u_int vendor, u_int subdevice, u_int subvendor)
 }
 
 #define ID_ALL_MASK			0xFFFFFFFFFFFFFFFFull
-#define ID_ALL_IROC_MASK		0xFFFFFF7FFFFFFFFFull
+#define ID_ALL_IROC_MASK		0xFF7FFFFFFFFFFFFFull
 #define ID_DEV_VENDOR_MASK		0xFFFFFFFF00000000ull
 #define ID_9005_GENERIC_MASK		0xFFF0FFFF00000000ull
-#define ID_9005_GENERIC_IROC_MASK	0xFFF0FF7F00000000ull
+#define ID_9005_GENERIC_IROC_MASK	0xFF70FFFF00000000ull
 
 #define ID_AIC7901			0x800F9005FFFF9005ull
 #define ID_AHA_29320A			0x8000900500609005ull
@@ -92,6 +92,8 @@ ahd_compose_id(u_int device, u_int vendor, u_int subdevice, u_int subvendor)
 #define ID_AIC7902_PCI_REV_B0		0x10
 #define SUBID_HP			0x0E11
 
+#define DEVID_9005_HOSTRAID(id) ((id) & 0x80)
+
 #define DEVID_9005_TYPE(id) ((id) & 0xF)
 #define		DEVID_9005_TYPE_HBA		0x0	/* Standard Card */
 #define		DEVID_9005_TYPE_HBA_2EXT	0x1	/* 2 External Ports */
@@ -134,18 +136,18 @@ struct ahd_pci_identity ahd_pci_ident_table [] =
 		"Adaptec 29320ALP Ultra320 SCSI adapter",
 		ahd_aic7901_setup
 	},
-	/* aic7901A based controllers */
+	/* aic7902 based controllers */	
 	{
 		ID_AHA_29320,
 		ID_ALL_MASK,
 		"Adaptec 29320 Ultra320 SCSI adapter",
-		ahd_aic7901A_setup
+		ahd_aic7902_setup
 	},
 	{
 		ID_AHA_29320B,
 		ID_ALL_MASK,
 		"Adaptec 29320B Ultra320 SCSI adapter",
-		ahd_aic7901A_setup
+		ahd_aic7902_setup
 	},
 	{
 		ID_AHA_29320LP,
@@ -153,7 +155,6 @@ struct ahd_pci_identity ahd_pci_ident_table [] =
 		"Adaptec 29320LP Ultra320 SCSI adapter",
 		ahd_aic7901A_setup
 	},
-	/* aic7902 based controllers */	
 	{
 		ID_AHA_39320,
 		ID_ALL_MASK,
@@ -196,22 +197,10 @@ struct ahd_pci_identity ahd_pci_ident_table [] =
 		"Adaptec (HP OEM) 39320D Ultra320 SCSI adapter",
 		ahd_aic7902_setup
 	},
-	{
-		ID_AHA_29320,
-		ID_ALL_MASK,
-		"Adaptec 29320 Ultra320 SCSI adapter",
-		ahd_aic7902_setup
-	},
-	{
-		ID_AHA_29320B,
-		ID_ALL_MASK,
-		"Adaptec 29320B Ultra320 SCSI adapter",
-		ahd_aic7902_setup
-	},
 	/* Generic chip probes for devices we don't know 'exactly' */
 	{
-		ID_AIC7901 & ID_DEV_VENDOR_MASK,
-		ID_DEV_VENDOR_MASK,
+		ID_AIC7901 & ID_9005_GENERIC_MASK,
+		ID_9005_GENERIC_MASK,
 		"Adaptec AIC7901 Ultra320 SCSI adapter",
 		ahd_aic7901_setup
 	},
@@ -294,6 +283,12 @@ ahd_find_pci_device(ahd_dev_softc_t pci)
 				 subdevice,
 				 subvendor);
 
+	/*
+	 * Controllers, mask out the IROC/HostRAID bit
+	 */
+	
+	full_id &= ID_ALL_IROC_MASK;
+
 	for (i = 0; i < ahd_num_pci_devs; i++) {
 		entry = &ahd_pci_ident_table[i];
 		if (entry->full_id == (full_id & entry->id_mask)) {