mirror of https://gitee.com/openkylin/linux.git
96 lines
2.2 KiB
C
96 lines
2.2 KiB
C
/*
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* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
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* All rights reserved
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* www.brocade.com
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*
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* Linux driver for Brocade Fibre Channel Host Bus Adapter.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License (GPL) Version 2 as
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* published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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/**
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* bfad_fwimg.c Linux driver PCI interface module.
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*/
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#include <bfa_os_inc.h>
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#include <bfad_drv.h>
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#include <bfad_im_compat.h>
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#include <defs/bfa_defs_version.h>
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#include <linux/errno.h>
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#include <linux/sched.h>
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#include <linux/init.h>
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#include <linux/fs.h>
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#include <asm/uaccess.h>
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#include <asm/fcntl.h>
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#include <linux/pci.h>
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#include <linux/firmware.h>
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#include <bfa_fwimg_priv.h>
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#include <bfa.h>
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u32 bfi_image_ct_size;
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u32 bfi_image_cb_size;
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u32 *bfi_image_ct;
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u32 *bfi_image_cb;
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#define BFAD_FW_FILE_CT "ctfw.bin"
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#define BFAD_FW_FILE_CB "cbfw.bin"
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u32 *
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bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
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u32 *bfi_image_size, char *fw_name)
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{
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const struct firmware *fw;
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if (request_firmware(&fw, fw_name, &pdev->dev)) {
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printk(KERN_ALERT "Can't locate firmware %s\n", fw_name);
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goto error;
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}
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*bfi_image = vmalloc(fw->size);
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if (NULL == *bfi_image) {
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printk(KERN_ALERT "Fail to allocate buffer for fw image "
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"size=%x!\n", (u32) fw->size);
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goto error;
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}
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memcpy(*bfi_image, fw->data, fw->size);
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*bfi_image_size = fw->size/sizeof(u32);
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return(*bfi_image);
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error:
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return(NULL);
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}
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u32 *
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bfad_get_firmware_buf(struct pci_dev *pdev)
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{
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if (pdev->device == BFA_PCI_DEVICE_ID_CT) {
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if (bfi_image_ct_size == 0)
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bfad_read_firmware(pdev, &bfi_image_ct,
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&bfi_image_ct_size, BFAD_FW_FILE_CT);
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return(bfi_image_ct);
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} else {
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if (bfi_image_cb_size == 0)
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bfad_read_firmware(pdev, &bfi_image_cb,
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&bfi_image_cb_size, BFAD_FW_FILE_CB);
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return(bfi_image_cb);
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}
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}
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u32 *
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bfi_image_ct_get_chunk(u32 off)
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{ return (u32 *)(bfi_image_ct + off); }
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u32 *
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bfi_image_cb_get_chunk(u32 off)
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{ return (u32 *)(bfi_image_cb + off); }
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