[SCSI] bfa: Brocade BFA FC SCSI driver

Add new driver for Brocade Hardware

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 95 insertions, 0 deletions

diff --git a/drivers/scsi/bfa/bfad_fwimg.c b/drivers/scsi/bfa/bfad_fwimg.c
new file mode 100644
index 00000000000..b2f6949bc8d
--- /dev/null
+++ b/drivers/scsi/bfa/bfad_fwimg.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
+ * All rights reserved
+ * www.brocade.com
+ *
+ * Linux driver for Brocade Fibre Channel Host Bus Adapter.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License (GPL) Version 2 as
+ * published by the Free Software Foundation
+ *
+ * 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.
+ */
+
+/**
+ *  bfad_fwimg.c Linux driver PCI interface module.
+ */
+#include <bfa_os_inc.h>
+#include <bfad_drv.h>
+#include <bfad_im_compat.h>
+#include <defs/bfa_defs_version.h>
+#include <linux/errno.h>
+#include <linux/sched.h>
+#include <linux/init.h>
+#include <linux/fs.h>
+#include <asm/uaccess.h>
+#include <asm/fcntl.h>
+#include <linux/pci.h>
+#include <linux/firmware.h>
+#include <bfa_fwimg_priv.h>
+#include <bfa.h>
+
+u32 bfi_image_ct_size;
+u32 bfi_image_cb_size;
+u32 *bfi_image_ct;
+u32 *bfi_image_cb;
+
+
+#define	BFAD_FW_FILE_CT	"ctfw.bin"
+#define	BFAD_FW_FILE_CB	"cbfw.bin"
+
+u32 *
+bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
+			u32 *bfi_image_size, char *fw_name)
+{
+	const struct firmware *fw;
+
+	if (request_firmware(&fw, fw_name, &pdev->dev)) {
+		printk(KERN_ALERT "Can't locate firmware %s\n", fw_name);
+		goto error;
+	}
+
+	*bfi_image = vmalloc(fw->size);
+	if (NULL == *bfi_image) {
+		printk(KERN_ALERT "Fail to allocate buffer for fw image "
+			"size=%x!\n", (u32) fw->size);
+		goto error;
+	}
+
+	memcpy(*bfi_image, fw->data, fw->size);
+	*bfi_image_size = fw->size/sizeof(u32);
+
+	return(*bfi_image);
+
+error:
+	return(NULL);
+}
+
+u32 *
+bfad_get_firmware_buf(struct pci_dev *pdev)
+{
+	if (pdev->device == BFA_PCI_DEVICE_ID_CT) {
+		if (bfi_image_ct_size == 0)
+			bfad_read_firmware(pdev, &bfi_image_ct,
+				&bfi_image_ct_size, BFAD_FW_FILE_CT);
+		return(bfi_image_ct);
+	} else {
+		if (bfi_image_cb_size == 0)
+			bfad_read_firmware(pdev, &bfi_image_cb,
+				&bfi_image_cb_size, BFAD_FW_FILE_CB);
+		return(bfi_image_cb);
+	}
+}
+
+u32 *
+bfi_image_ct_get_chunk(u32 off)
+{ return (u32 *)(bfi_image_ct + off); }
+
+u32 *
+bfi_image_cb_get_chunk(u32 off)
+{ return (u32 *)(bfi_image_cb + off); }
+