2 * IBM eServer eHCA Infiniband device driver for Linux on POWER
4 * load store abstraction for ehca register access with tracing
6 * Authors: Christoph Raisch <raisch@de.ibm.com>
7 * Hoang-Nam Nguyen <hnguyen@de.ibm.com>
9 * Copyright (c) 2005 IBM Corporation
11 * All rights reserved.
13 * This source code is distributed under a dual license of GPL v2.0 and OpenIB
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions are met:
21 * Redistributions of source code must retain the above copyright notice, this
22 * list of conditions and the following disclaimer.
24 * Redistributions in binary form must reproduce the above copyright notice,
25 * this list of conditions and the following disclaimer in the documentation
26 * and/or other materials
27 * provided with the distribution.
29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
30 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
33 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
34 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
35 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
36 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
37 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
39 * POSSIBILITY OF SUCH DAMAGE.
42 #include "ehca_classes.h"
45 int hcall_map_page(u64 physaddr, u64 *mapaddr)
47 *mapaddr = (u64)(ioremap(physaddr, EHCA_PAGESIZE));
51 int hcall_unmap_page(u64 mapaddr)
53 iounmap((volatile void __iomem *) mapaddr);
57 int hcp_galpas_ctor(struct h_galpas *galpas,
58 u64 paddr_kernel, u64 paddr_user)
60 int ret = hcall_map_page(paddr_kernel, &galpas->kernel.fw_handle);
64 galpas->user.fw_handle = paddr_user;
69 int hcp_galpas_dtor(struct h_galpas *galpas)
71 if (galpas->kernel.fw_handle) {
72 int ret = hcall_unmap_page(galpas->kernel.fw_handle);
77 galpas->user.fw_handle = galpas->kernel.fw_handle = 0;