/* * Copyright (c) 2012 Intel Corporation. All rights reserved. * Copyright (c) 2006 - 2012 QLogic Corporation. All rights reserved. * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include <linux/delay.h> #include <linux/pci.h> #include <linux/vmalloc.h> #include "qib.h" /* * Functions specific to the serial EEPROM on cards handled by ib_qib. * The actual serail interface code is in qib_twsi.c. This file is a client */ /** * qib_eeprom_read - receives bytes from the eeprom via I2C * @dd: the qlogic_ib device * @eeprom_offset: address to read from * @buff: where to store result * @len: number of bytes to receive */ int qib_eeprom_read(struct qib_devdata *dd, u8 eeprom_offset, void *buff, int len) { … } /* * Actually update the eeprom, first doing write enable if * needed, then restoring write enable state. * Must be called with eep_lock held */ static int eeprom_write_with_enable(struct qib_devdata *dd, u8 offset, const void *buf, int len) { … } /** * qib_eeprom_write - writes data to the eeprom via I2C * @dd: the qlogic_ib device * @eeprom_offset: where to place data * @buff: data to write * @len: number of bytes to write */ int qib_eeprom_write(struct qib_devdata *dd, u8 eeprom_offset, const void *buff, int len) { … } static u8 flash_csum(struct qib_flash *ifp, int adjust) { … } /** * qib_get_eeprom_info- get the GUID et al. from the TSWI EEPROM device * @dd: the qlogic_ib device * * We have the capability to use the nguid field, and get * the guid from the first chip's flash, to use for all of them. */ void qib_get_eeprom_info(struct qib_devdata *dd) { … }
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