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 36u32 bfi_image_ct_fc_size; 37u32 bfi_image_ct_cna_size; 38u32 bfi_image_cb_fc_size; 39u32 *bfi_image_ct_fc; 40u32 *bfi_image_ct_cna; 41u32 *bfi_image_cb_fc; 42 43 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" 47MODULE_FIRMWARE(BFAD_FW_FILE_CT_FC); 48MODULE_FIRMWARE(BFAD_FW_FILE_CT_CNA); 49MODULE_FIRMWARE(BFAD_FW_FILE_CB_FC); 50 51u32 * 52bfad_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 72 return *bfi_image; 73 74error: 75 return NULL; 76} 77 78u32 * 79bfad_get_firmware_buf(struct pci_dev *pdev) 80{ 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; 91 } else { 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; 96 } 97} 98 99u32 * 100bfi_image_ct_fc_get_chunk(u32 off) 101{ return (u32 *)(bfi_image_ct_fc + off); } 102 103u32 * 104bfi_image_ct_cna_get_chunk(u32 off) 105{ return (u32 *)(bfi_image_ct_cna + off); } 106 107u32 * 108bfi_image_cb_fc_get_chunk(u32 off) 109{ return (u32 *)(bfi_image_cb_fc + off); } 110 111uint32_t * 112bfi_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 122uint32_t 123bfi_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} 132