[openib-general] [PATCH 05/17] ehca: InfiniBand query and multicast functionality

[Hal Rosenstock]

On Thu, 2006-03-02 at 03:37, Heiko J Schick wrote:

> --- linux-2.6.16-rc4-orig/drivers/infiniband/hw/ehca/ehca_hca.c	1970-01-01 01:00:00.000000000 +0100
> +++ linux-2.6.16-rc4/drivers/infiniband/hw/ehca/ehca_hca.c	2006-02-28 08:41:04.000000000 +0100
> @@ -0,0 +1,317 @@
> +/*
> + *  IBM eServer eHCA Infiniband device driver for Linux on POWER
> + *
> + *  HCA query functions
> + *
> + *  Authors: Heiko J Schick <schickhj at de.ibm.com>
> + *           Christoph Raisch <raisch at de.ibm.com>
> + *
> + *  Copyright (c) 2005 IBM Corporation
> + *
> + *  All rights reserved.
> + *
> + *  This source code is distributed under a dual license of GPL v2.0 and OpenIB
> + *  BSD.
> + *
> + * OpenIB BSD License
> + *
> + * 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.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
> + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
> + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
> + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
> + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
> + * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
> + * POSSIBILITY OF SUCH DAMAGE.
> + *
> + *  $Id: ehca_hca.c,v 1.4 2006/02/28 07:41:04 schickhj Exp $
> + */
> +
> +#undef DEB_PREFIX
> +#define DEB_PREFIX "shca"
> +
> +#include "ehca_kernel.h"
> +#include "ehca_tools.h"
> +
> +#include "hcp_if.h"		/* TODO: later via hipz_* header file */
> +
> +#define TO_MAX_INT(dest, src)			\
> +	if (src >= INT_MAX)			\
> +		dest = INT_MAX;			\
> +	else					\
> +		dest = src
> +
> +int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props)
> +{
> +	int ret = 0;
> +	struct ehca_shca *shca;
> +	struct hipz_query_hca *rblock;
> +
> +	EDEB_EN(7, "");
> +
> +	memset(props, 0, sizeof(struct ib_device_attr));
> +	shca = container_of(ibdev, struct ehca_shca, ib_device);
> +
> +	rblock = kmalloc(PAGE_SIZE, GFP_KERNEL);
> +	if (rblock == NULL) {
> +		EDEB_ERR(4, "Can't allocate rblock memory.");
> +		ret = -ENOMEM;
> +		goto query_device0;
> +	}
> +
> +	memset(rblock, 0, PAGE_SIZE);
> +
> +	if (hipz_h_query_hca(shca->ipz_hca_handle, rblock) != H_Success) {
> +		EDEB_ERR(4, "Can't query device properties");
> +		ret = -EINVAL;
> +		goto query_device1;
> +	}
> +	props->fw_ver              = rblock->hw_ver;

Should there also be a /sys/class/infiniband/ehca<n>/fw_ver file created
as well ?

-- Hal