linux/drivers/net/ethernet/brocade/bna/cna_fwimg.c

/*
 * Linux network driver for Brocade Converged Network 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.
 */
/*
 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
 * All rights reserved
 * www.brocade.com
 */
#include <linux/firmware.h>
#include "cna.h"

const struct firmware *bfi_fw;
static u32 *bfi_image_ct_cna;
static u32 bfi_image_ct_cna_size;

static u32 *
cna_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)) {
		pr_alert("Can't locate firmware %s\n", fw_name);
		goto error;
	}

	*bfi_image = (u32 *)fw->data;
	*bfi_image_size = fw->size/sizeof(u32);
	bfi_fw = fw;

	return *bfi_image;
error:
	return NULL;
}

u32 *
cna_get_firmware_buf(struct pci_dev *pdev)
{
	if (bfi_image_ct_cna_size == 0)
		cna_read_firmware(pdev, &bfi_image_ct_cna,
			&bfi_image_ct_cna_size, CNA_FW_FILE_CT);
	return bfi_image_ct_cna;
}

u32 *
bfa_cb_image_get_chunk(int type, u32 off)
{
	return (u32 *)(bfi_image_ct_cna + off);
}

u32
bfa_cb_image_get_size(int type)
{
	return bfi_image_ct_cna_size;
}