mirror of https://gitee.com/openkylin/linux.git
94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
/*
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* Linux network driver for Brocade Converged Network 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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* Copyright (c) 2005-2010 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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#include <linux/firmware.h>
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#include "bnad.h"
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#include "bfi.h"
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#include "cna.h"
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const struct firmware *bfi_fw;
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static u32 *bfi_image_ct_cna, *bfi_image_ct2_cna;
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static u32 bfi_image_ct_cna_size, bfi_image_ct2_cna_size;
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static u32 *
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cna_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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pr_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 = (u32 *)fw->data;
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*bfi_image_size = fw->size/sizeof(u32);
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bfi_fw = fw;
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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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cna_get_firmware_buf(struct pci_dev *pdev)
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{
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if (pdev->device == BFA_PCI_DEVICE_ID_CT2) {
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if (bfi_image_ct2_cna_size == 0)
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cna_read_firmware(pdev, &bfi_image_ct2_cna,
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&bfi_image_ct2_cna_size, CNA_FW_FILE_CT2);
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return bfi_image_ct2_cna;
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} else if (bfa_asic_id_ct(pdev->device)) {
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if (bfi_image_ct_cna_size == 0)
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cna_read_firmware(pdev, &bfi_image_ct_cna,
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&bfi_image_ct_cna_size, CNA_FW_FILE_CT);
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return bfi_image_ct_cna;
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}
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return NULL;
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}
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u32 *
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bfa_cb_image_get_chunk(enum bfi_asic_gen asic_gen, u32 off)
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{
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switch (asic_gen) {
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case BFI_ASIC_GEN_CT:
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return (bfi_image_ct_cna + off);
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break;
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case BFI_ASIC_GEN_CT2:
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return (bfi_image_ct2_cna + off);
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break;
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default:
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return NULL;
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}
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}
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u32
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bfa_cb_image_get_size(enum bfi_asic_gen asic_gen)
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{
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switch (asic_gen) {
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case BFI_ASIC_GEN_CT:
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return bfi_image_ct_cna_size;
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break;
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case BFI_ASIC_GEN_CT2:
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return bfi_image_ct2_cna_size;
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break;
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default:
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return 0;
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}
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}
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