diff options
Diffstat (limited to 'drivers/scsi/bfa/bfad_fwimg.c')
-rw-r--r-- | drivers/scsi/bfa/bfad_fwimg.c | 95 |
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 000000000000..b2f6949bc8d3 --- /dev/null +++ b/drivers/scsi/bfa/bfad_fwimg.c | |||
@@ -0,0 +1,95 @@ | |||
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 | |||