[SCSI] aacraid: Begin adding support for new adapter type

Received from Mark Salyzyn,

Add in the NEMER/ARK physical register mapping, represented in up and coming
products currently under test at Adaptec.

Signed-off-by Mark Haverkamp <markh@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

4 files changed, 92 insertions, 3 deletions

diff --git a/drivers/scsi/aacraid/Makefile b/drivers/scsi/aacraid/Makefile
index 28d133a3094f..f1cca4ee5410 100644
--- a/drivers/scsi/aacraid/Makefile
+++ b/drivers/scsi/aacraid/Makefile
@@ -3,6 +3,6 @@
 obj-$(CONFIG_SCSI_AACRAID) := aacraid.o
 
 aacraid-objs    := linit.o aachba.o commctrl.o comminit.o commsup.o \
-                   dpcsup.o rx.o sa.o rkt.o
+                   dpcsup.o rx.o sa.o rkt.o nark.o
 
 EXTRA_CFLAGS    := -Idrivers/scsi
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index 813e68993aa6..bdbd81e73f18 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -1810,6 +1810,7 @@ int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg);
 int aac_do_ioctl(struct aac_dev * dev, int cmd, void __user *arg);
 int aac_rx_init(struct aac_dev *dev);
 int aac_rkt_init(struct aac_dev *dev);
+int aac_nark_init(struct aac_dev *dev);
 int aac_sa_init(struct aac_dev *dev);
 int aac_queue_get(struct aac_dev * dev, u32 * index, u32 qid, struct hw_fib * hw_fib, int wait, struct fib * fibptr, unsigned long *nonotify);
 unsigned int aac_response_normal(struct aac_queue * q);
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 359e7ddfdb47..1326c0a1bdae 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -157,6 +157,7 @@ static struct pci_device_id aac_pci_tbl[] = {
         { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
         { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
         { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
+        { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
         { 0,}
 };
 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
@@ -230,7 +231,8 @@ static struct aac_driver_ident aac_drivers[] = {
         { aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */
         { aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */
         { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */
-        { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 } /* Adaptec Rocket Catch All */
+        { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
+        { aac_nark_init, "aacraid", "ADAPTEC ", "RAID            ", 2 } /* Adaptec NEMER/ARK Catch All */
 };
 
 /**
@@ -804,7 +806,6 @@ static struct scsi_host_template aac_driver_template = {
         .emulated                       = 1,
 };
 
-
 static int __devinit aac_probe_one(struct pci_dev *pdev,
                 const struct pci_device_id *id)
 {
diff --git a/drivers/scsi/aacraid/nark.c b/drivers/scsi/aacraid/nark.c
new file mode 100644
index 000000000000..c76b611b6afb
--- /dev/null
+++ b/drivers/scsi/aacraid/nark.c
@@ -0,0 +1,87 @@
+/*
+ *      Adaptec AAC series RAID controller driver
+ *      (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
+ *
+ * based on the old aacraid driver that is..
+ * Adaptec aacraid device driver for Linux.
+ *
+ * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Module Name:
+ *  nark.c
+ *
+ * Abstract: Hardware Device Interface for NEMER/ARK
+ *
+ */
+
+#include <linux/pci.h>
+#include <linux/blkdev.h>
+
+#include <scsi/scsi_host.h>
+
+#include "aacraid.h"
+
+/**
+ *      aac_nark_ioremap
+ *      @size: mapping resize request
+ *
+ */
+static int aac_nark_ioremap(struct aac_dev * dev, u32 size)
+{
+        if (!size) {
+                iounmap(dev->regs.rx);
+                dev->regs.rx = NULL;
+                iounmap(dev->base);
+                dev->base = NULL;
+                return 0;
+        }
+        dev->scsi_host_ptr->base = pci_resource_start(dev->pdev, 2);
+        dev->regs.rx = ioremap((u64)pci_resource_start(dev->pdev, 0) |
+          ((u64)pci_resource_start(dev->pdev, 1) << 32),
+          sizeof(struct rx_registers) - sizeof(struct rx_inbound));
+        dev->base = NULL;
+        if (dev->regs.rx == NULL)
+                return -1;
+        dev->base = ioremap(dev->scsi_host_ptr->base, size);
+        if (dev->base == NULL) {
+                iounmap(dev->regs.rx);
+                dev->regs.rx = NULL;
+                return -1;
+        }
+        dev->IndexRegs = &((struct rx_registers __iomem *)dev->base)->IndexRegs;
+        return 0;
+}
+
+/**
+ *      aac_nark_init   -       initialize an NEMER/ARK Split Bar card
+ *      @dev: device to configure
+ *
+ */
+
+int aac_nark_init(struct aac_dev * dev)
+{
+        extern int _aac_rx_init(struct aac_dev *dev);
+        extern int aac_rx_select_comm(struct aac_dev *dev, int comm);
+
+        /*
+         *      Fill in the function dispatch table.
+         */
+        dev->a_ops.adapter_ioremap = aac_nark_ioremap;
+        dev->a_ops.adapter_comm = aac_rx_select_comm;
+
+        return _aac_rx_init(dev);
+}