text: /*
   *  IBM eServer eHCA Infiniband device driver for Linux on POWER
   *
   *  Firmware calls
   *
   *  Authors: Christoph Raisch <raisch@de.ibm.com>
   *           Hoang-Nam Nguyen <hnguyen@de.ibm.com>
   *           Waleri Fomin <fomin@de.ibm.com>
   *           Gerd Bayer <gerd.bayer@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.
   */
  
  #ifndef __HCP_PHYP_H__
  #define __HCP_PHYP_H__
  
  
  /*
   * eHCA page (mapped into memory)
   * resource to access eHCA register pages in CPU address space
  */
  struct h_galpa {
  	u64 fw_handle;
  	/* for pSeries this is a 64bit memory address where
  	   I/O memory is mapped into CPU address space (kv) */
  };
  
  /*
   * resource to access eHCA address space registers, all types
   */
  struct h_galpas {
  	u32 pid;		/*PID of userspace galpa checking */
  	struct h_galpa user;	/* user space accessible resource,
  				   set to 0 if unused */
  	struct h_galpa kernel;	/* kernel space accessible resource,
  				   set to 0 if unused */
  };
  
  static inline u64 hipz_galpa_load(struct h_galpa galpa, u32 offset)
  {
  	u64 addr = galpa.fw_handle + offset;
  	return *(volatile u64 __force *)addr;
  }
  
  static inline void hipz_galpa_store(struct h_galpa galpa, u32 offset, u64 value)
  {
  	u64 addr = galpa.fw_handle + offset;
  	*(volatile u64 __force *)addr = value;
  }
  
  int hcp_galpas_ctor(struct h_galpas *galpas, int is_user,
  		    u64 paddr_kernel, u64 paddr_user);
  
  int hcp_galpas_dtor(struct h_galpas *galpas);
  
  u64 hcall_map_page(u64 physaddr);
  
  int hcall_unmap_page(u64 mapaddr);
  
  #endif
  