[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/scsi/aacraid/rkt.c b/src/kernel/linux/v4.14/drivers/scsi/aacraid/rkt.c
new file mode 100644
index 0000000..a1bc5bb
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/scsi/aacraid/rkt.c
@@ -0,0 +1,108 @@
+/*
+ * Adaptec AAC series RAID controller driver
+ * (c) Copyright 2001 Red Hat Inc.
+ *
+ * based on the old aacraid driver that is..
+ * Adaptec aacraid device driver for Linux.
+ *
+ * Copyright (c) 2000-2010 Adaptec, Inc.
+ * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
+ * 2016-2017 Microsemi Corp. (aacraid@microsemi.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:
+ * rkt.c
+ *
+ * Abstract: Hardware miniport for Drawbridge specific hardware functions.
+ *
+ */
+
+#include <linux/blkdev.h>
+
+#include <scsi/scsi_host.h>
+
+#include "aacraid.h"
+
+#define AAC_NUM_IO_FIB_RKT (246 - AAC_NUM_MGT_FIB)
+
+/**
+ * aac_rkt_select_comm - Select communications method
+ * @dev: Adapter
+ * @comm: communications method
+ */
+
+static int aac_rkt_select_comm(struct aac_dev *dev, int comm)
+{
+ int retval;
+ retval = aac_rx_select_comm(dev, comm);
+ if (comm == AAC_COMM_MESSAGE) {
+ /*
+ * FIB Setup has already been done, but we can minimize the
+ * damage by at least ensuring the OS never issues more
+ * commands than we can handle. The Rocket adapters currently
+ * can only handle 246 commands and 8 AIFs at the same time,
+ * and in fact do notify us accordingly if we negotiate the
+ * FIB size. The problem that causes us to add this check is
+ * to ensure that we do not overdo it with the adapter when a
+ * hard coded FIB override is being utilized. This special
+ * case warrants this half baked, but convenient, check here.
+ */
+ if (dev->scsi_host_ptr->can_queue > AAC_NUM_IO_FIB_RKT) {
+ dev->init->r7.max_io_commands =
+ cpu_to_le32(AAC_NUM_IO_FIB_RKT + AAC_NUM_MGT_FIB);
+ dev->scsi_host_ptr->can_queue = AAC_NUM_IO_FIB_RKT;
+ }
+ }
+ return retval;
+}
+
+/**
+ * aac_rkt_ioremap
+ * @size: mapping resize request
+ *
+ */
+static int aac_rkt_ioremap(struct aac_dev * dev, u32 size)
+{
+ if (!size) {
+ iounmap(dev->regs.rkt);
+ return 0;
+ }
+ dev->base = dev->regs.rkt = ioremap(dev->base_start, size);
+ if (dev->base == NULL)
+ return -1;
+ dev->IndexRegs = &dev->regs.rkt->IndexRegs;
+ return 0;
+}
+
+/**
+ * aac_rkt_init - initialize an i960 based AAC card
+ * @dev: device to configure
+ *
+ * Allocate and set up resources for the i960 based AAC variants. The
+ * device_interface in the commregion will be allocated and linked
+ * to the comm region.
+ */
+
+int aac_rkt_init(struct aac_dev *dev)
+{
+ /*
+ * Fill in the function dispatch table.
+ */
+ dev->a_ops.adapter_ioremap = aac_rkt_ioremap;
+ dev->a_ops.adapter_comm = aac_rkt_select_comm;
+
+ return _aac_rx_init(dev);
+}