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

[Hal Rosenstock]

On Fri, 2006-03-03 at 09:13, Heiko J Schick wrote:
> Hello Hal,
> 
> we don't have a fw_ver which is available for our adapter.
> The be compatible with the OpenIB stack we copy the hw_ver
> into the fw_her. The hw_ver alredy has a device file.

So there is no way to get the real firmware version ?

> If it is necessary, I can add a file for the fw_ver too, but
> this will include the same data as is in the hw_ver file.

It's not necessary. Everything should work fine without this file.

-- Hal

> 
> Regards,
> 	Heiko
> 
> Hal Rosenstock wrote:
> > 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
> > 
> 
>