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7725ccfd JH |
1 | /* |
2 | * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. | |
3 | * All rights reserved | |
4 | * www.brocade.com | |
5 | * | |
6 | * Linux driver for Brocade Fibre Channel Host Bus Adapter. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License (GPL) Version 2 as | |
10 | * published by the Free Software Foundation | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | */ | |
17 | ||
18 | /** | |
19 | * bfad_fwimg.c Linux driver PCI interface module. | |
20 | */ | |
21 | #include <bfa_os_inc.h> | |
22 | #include <bfad_drv.h> | |
23 | #include <bfad_im_compat.h> | |
24 | #include <defs/bfa_defs_version.h> | |
25 | #include <linux/errno.h> | |
26 | #include <linux/sched.h> | |
27 | #include <linux/init.h> | |
28 | #include <linux/fs.h> | |
29 | #include <asm/uaccess.h> | |
30 | #include <asm/fcntl.h> | |
31 | #include <linux/pci.h> | |
32 | #include <linux/firmware.h> | |
33 | #include <bfa_fwimg_priv.h> | |
34 | #include <bfa.h> | |
35 | ||
36 | u32 bfi_image_ct_size; | |
37 | u32 bfi_image_cb_size; | |
38 | u32 *bfi_image_ct; | |
39 | u32 *bfi_image_cb; | |
40 | ||
41 | ||
42 | #define BFAD_FW_FILE_CT "ctfw.bin" | |
43 | #define BFAD_FW_FILE_CB "cbfw.bin" | |
44 | ||
45 | u32 * | |
46 | bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image, | |
47 | u32 *bfi_image_size, char *fw_name) | |
48 | { | |
49 | const struct firmware *fw; | |
50 | ||
51 | if (request_firmware(&fw, fw_name, &pdev->dev)) { | |
52 | printk(KERN_ALERT "Can't locate firmware %s\n", fw_name); | |
53 | goto error; | |
54 | } | |
55 | ||
56 | *bfi_image = vmalloc(fw->size); | |
57 | if (NULL == *bfi_image) { | |
58 | printk(KERN_ALERT "Fail to allocate buffer for fw image " | |
59 | "size=%x!\n", (u32) fw->size); | |
60 | goto error; | |
61 | } | |
62 | ||
63 | memcpy(*bfi_image, fw->data, fw->size); | |
64 | *bfi_image_size = fw->size/sizeof(u32); | |
65 | ||
66 | return(*bfi_image); | |
67 | ||
68 | error: | |
69 | return(NULL); | |
70 | } | |
71 | ||
72 | u32 * | |
73 | bfad_get_firmware_buf(struct pci_dev *pdev) | |
74 | { | |
75 | if (pdev->device == BFA_PCI_DEVICE_ID_CT) { | |
76 | if (bfi_image_ct_size == 0) | |
77 | bfad_read_firmware(pdev, &bfi_image_ct, | |
78 | &bfi_image_ct_size, BFAD_FW_FILE_CT); | |
79 | return(bfi_image_ct); | |
80 | } else { | |
81 | if (bfi_image_cb_size == 0) | |
82 | bfad_read_firmware(pdev, &bfi_image_cb, | |
83 | &bfi_image_cb_size, BFAD_FW_FILE_CB); | |
84 | return(bfi_image_cb); | |
85 | } | |
86 | } | |
87 | ||
88 | u32 * | |
89 | bfi_image_ct_get_chunk(u32 off) | |
90 | { return (u32 *)(bfi_image_ct + off); } | |
91 | ||
92 | u32 * | |
93 | bfi_image_cb_get_chunk(u32 off) | |
94 | { return (u32 *)(bfi_image_cb + off); } | |
95 |