1 /*
2  * Linux network driver for Brocade Converged Network Adapter.
3  *
4  * This program is free software; you can redistribute it and/or modify it
5  * under the terms of the GNU General Public License (GPL) Version 2 as
6  * published by the Free Software Foundation
7  *
8  * This program is distributed in the hope that it will be useful, but
9  * WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
11  * General Public License for more details.
12  */
13 /*
14  * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15  * All rights reserved
16  * www.brocade.com
17  */
18 #include <linux/firmware.h>
19 #include "cna.h"
20 
21 const struct firmware *bfi_fw;
22 static u32 *bfi_image_ct_cna;
23 static u32 bfi_image_ct_cna_size;
24 
25 static u32 *
26 cna_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
27 			u32 *bfi_image_size, char *fw_name)
28 {
29 	const struct firmware *fw;
30 
31 	if (request_firmware(&fw, fw_name, &pdev->dev)) {
32 		pr_alert("Can't locate firmware %s\n", fw_name);
33 		goto error;
34 	}
35 
36 	*bfi_image = (u32 *)fw->data;
37 	*bfi_image_size = fw->size/sizeof(u32);
38 	bfi_fw = fw;
39 
40 	return *bfi_image;
41 error:
42 	return NULL;
43 }
44 
45 u32 *
46 cna_get_firmware_buf(struct pci_dev *pdev)
47 {
48 	if (bfi_image_ct_cna_size == 0)
49 		cna_read_firmware(pdev, &bfi_image_ct_cna,
50 			&bfi_image_ct_cna_size, CNA_FW_FILE_CT);
51 	return bfi_image_ct_cna;
52 }
53 
54 u32 *
55 bfa_cb_image_get_chunk(int type, u32 off)
56 {
57 	return (u32 *)(bfi_image_ct_cna + off);
58 }
59 
60 u32
61 bfa_cb_image_get_size(int type)
62 {
63 	return bfi_image_ct_cna_size;
64 }
65