Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 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 | |
Jing Huang | 293f82d | 2010-07-08 19:45:20 -0700 | [diff] [blame] | 36 | u32 bfi_image_ct_fc_size; |
| 37 | u32 bfi_image_ct_cna_size; |
| 38 | u32 bfi_image_cb_fc_size; |
| 39 | u32 *bfi_image_ct_fc; |
| 40 | u32 *bfi_image_ct_cna; |
| 41 | u32 *bfi_image_cb_fc; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 42 | |
| 43 | |
Jing Huang | 293f82d | 2010-07-08 19:45:20 -0700 | [diff] [blame] | 44 | #define BFAD_FW_FILE_CT_FC "ctfw_fc.bin" |
| 45 | #define BFAD_FW_FILE_CT_CNA "ctfw_cna.bin" |
| 46 | #define BFAD_FW_FILE_CB_FC "cbfw_fc.bin" |
| 47 | MODULE_FIRMWARE(BFAD_FW_FILE_CT_FC); |
| 48 | MODULE_FIRMWARE(BFAD_FW_FILE_CT_CNA); |
| 49 | MODULE_FIRMWARE(BFAD_FW_FILE_CB_FC); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 50 | |
| 51 | u32 * |
| 52 | bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image, |
| 53 | u32 *bfi_image_size, char *fw_name) |
| 54 | { |
| 55 | const struct firmware *fw; |
| 56 | |
| 57 | if (request_firmware(&fw, fw_name, &pdev->dev)) { |
| 58 | printk(KERN_ALERT "Can't locate firmware %s\n", fw_name); |
| 59 | goto error; |
| 60 | } |
| 61 | |
| 62 | *bfi_image = vmalloc(fw->size); |
| 63 | if (NULL == *bfi_image) { |
| 64 | printk(KERN_ALERT "Fail to allocate buffer for fw image " |
| 65 | "size=%x!\n", (u32) fw->size); |
| 66 | goto error; |
| 67 | } |
| 68 | |
| 69 | memcpy(*bfi_image, fw->data, fw->size); |
| 70 | *bfi_image_size = fw->size/sizeof(u32); |
| 71 | |
Jing Huang | f8ceafd | 2009-09-25 12:29:54 -0700 | [diff] [blame] | 72 | return *bfi_image; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 73 | |
| 74 | error: |
Jing Huang | f8ceafd | 2009-09-25 12:29:54 -0700 | [diff] [blame] | 75 | return NULL; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 76 | } |
| 77 | |
| 78 | u32 * |
| 79 | bfad_get_firmware_buf(struct pci_dev *pdev) |
| 80 | { |
Jing Huang | 293f82d | 2010-07-08 19:45:20 -0700 | [diff] [blame] | 81 | if (pdev->device == BFA_PCI_DEVICE_ID_CT_FC) { |
| 82 | if (bfi_image_ct_fc_size == 0) |
| 83 | bfad_read_firmware(pdev, &bfi_image_ct_fc, |
| 84 | &bfi_image_ct_fc_size, BFAD_FW_FILE_CT_FC); |
| 85 | return bfi_image_ct_fc; |
| 86 | } else if (pdev->device == BFA_PCI_DEVICE_ID_CT) { |
| 87 | if (bfi_image_ct_cna_size == 0) |
| 88 | bfad_read_firmware(pdev, &bfi_image_ct_cna, |
| 89 | &bfi_image_ct_cna_size, BFAD_FW_FILE_CT_CNA); |
| 90 | return bfi_image_ct_cna; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 91 | } else { |
Jing Huang | 293f82d | 2010-07-08 19:45:20 -0700 | [diff] [blame] | 92 | if (bfi_image_cb_fc_size == 0) |
| 93 | bfad_read_firmware(pdev, &bfi_image_cb_fc, |
| 94 | &bfi_image_cb_fc_size, BFAD_FW_FILE_CB_FC); |
| 95 | return bfi_image_cb_fc; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 96 | } |
| 97 | } |
| 98 | |
| 99 | u32 * |
Jing Huang | 293f82d | 2010-07-08 19:45:20 -0700 | [diff] [blame] | 100 | bfi_image_ct_fc_get_chunk(u32 off) |
| 101 | { return (u32 *)(bfi_image_ct_fc + off); } |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 102 | |
| 103 | u32 * |
Jing Huang | 293f82d | 2010-07-08 19:45:20 -0700 | [diff] [blame] | 104 | bfi_image_ct_cna_get_chunk(u32 off) |
| 105 | { return (u32 *)(bfi_image_ct_cna + off); } |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 106 | |
Jing Huang | 293f82d | 2010-07-08 19:45:20 -0700 | [diff] [blame] | 107 | u32 * |
| 108 | bfi_image_cb_fc_get_chunk(u32 off) |
| 109 | { return (u32 *)(bfi_image_cb_fc + off); } |
| 110 | |
| 111 | uint32_t * |
| 112 | bfi_image_get_chunk(int type, uint32_t off) |
| 113 | { |
| 114 | switch (type) { |
| 115 | case BFI_IMAGE_CT_FC: return bfi_image_ct_fc_get_chunk(off); break; |
| 116 | case BFI_IMAGE_CT_CNA: return bfi_image_ct_cna_get_chunk(off); break; |
| 117 | case BFI_IMAGE_CB_FC: return bfi_image_cb_fc_get_chunk(off); break; |
| 118 | default: return 0; break; |
| 119 | } |
| 120 | } |
| 121 | |
| 122 | uint32_t |
| 123 | bfi_image_get_size(int type) |
| 124 | { |
| 125 | switch (type) { |
| 126 | case BFI_IMAGE_CT_FC: return bfi_image_ct_fc_size; break; |
| 127 | case BFI_IMAGE_CT_CNA: return bfi_image_ct_cna_size; break; |
| 128 | case BFI_IMAGE_CB_FC: return bfi_image_cb_fc_size; break; |
| 129 | default: return 0; break; |
| 130 | } |
| 131 | } |