patch-2.4.19 linux-2.4.19/arch/ppc64/kernel/iSeries_IoMmTable.h

• Lines: 86
• Date: Fri Aug 2 17:39:43 2002
• Orig file: linux-2.4.18/arch/ppc64/kernel/iSeries_IoMmTable.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/arch/ppc64/kernel/iSeries_IoMmTable.h linux-2.4.19/arch/ppc64/kernel/iSeries_IoMmTable.h
@@ -0,0 +1,85 @@
+#ifndef _ISERIES_IOMMTABLE_H
+#define _ISERIES_IOMMTABLE_H
+/************************************************************************/
+/* File iSeries_IoMmTable.h created by Allan Trautman on Dec 12 2001.   */
+/************************************************************************/
+/* Interfaces for the write/read Io address translation table.          */
+/* Copyright (C) 20yy  Allan H Trautman, IBM Corporation                */
+/*                                                                      */
+/* This program is free software; you can redistribute it and/or modify */
+/* it under the terms of the GNU General Public License as published by */
+/* the Free Software Foundation; either version 2 of the License, or    */
+/* (at your option) any later version.                                  */
+/*                                                                      */
+/* This program is distributed in the hope that it will be useful,      */ 
+/* but WITHOUT ANY WARRANTY; without even the implied warranty of       */
+/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        */
+/* GNU General Public License for more details.                         */
+/*                                                                      */
+/* You should have received a copy of the GNU General Public License    */ 
+/* along with this program; if not, write to the:                       */
+/* Free Software Foundation, Inc.,                                      */ 
+/* 59 Temple Place, Suite 330,                                          */ 
+/* Boston, MA  02111-1307  USA                                          */
+/************************************************************************/
+/* Change Activity:                                                     */
+/*   Created December 12, 2000                                          */
+/*   Ported to ppc64, August 30, 2001                                   */
+/* End Change Activity                                                  */
+/************************************************************************/
+
+struct pci_dev;
+struct iSeries_Device_Node;
+
+extern struct iSeries_Device_Node** iSeries_IoMmTable;
+extern u8*                          iSeries_IoBarTable;
+extern unsigned long iSeries_Base_Io_Memory;
+extern unsigned long iSeries_Max_Io_Memory;
+extern unsigned long iSeries_Base_Io_Memory;
+extern unsigned long iSeries_IoMmTable_Entry_Size;
+/************************************************************************/
+/* iSeries_IoMmTable_Initialize                                         */
+/************************************************************************/
+/* - Initalizes the Address Translation Table and get it ready for use. */
+/*   Must be called before any client calls any of the other methods.   */
+/*                                                                      */
+/* Parameters: None.                                                    */
+/*                                                                      */
+/* Return: None.                                                        */  
+/************************************************************************/
+extern  void iSeries_IoMmTable_Initialize(void);
+extern  void iSeries_IoMmTable_Status(void);
+
+/************************************************************************/
+/* iSeries_allocateDeviceBars                                           */
+/************************************************************************/
+/* - Allocates ALL pci_dev BAR's and updates the resources with the BAR */
+/*   value.  BARS with zero length will not have the resources.  The    */
+/*   HvCallPci_getBarParms is used to get the size of the BAR space.    */
+/*   It calls iSeries_IoMmTable_AllocateEntry to allocate each entry.   */
+/*                                                                      */
+/* Parameters:                                                          */
+/* pci_dev = Pointer to pci_dev structure that will be mapped to pseudo */
+/*           I/O Address.                                               */
+/*                                                                      */
+/* Return:                                                              */
+/*   The pci_dev I/O resources updated with pseudo I/O Addresses.       */
+/************************************************************************/
+extern  void iSeries_allocateDeviceBars(struct pci_dev* );
+
+/************************************************************************/
+/* iSeries_xlateIoMmAddress                                             */
+/************************************************************************/
+/* - Translates an I/O Memory address to Device Node that has been the  */
+/*   allocated the psuedo I/O Address.                                  */
+/*                                                                      */
+/* Parameters:                                                          */
+/* IoAddress = I/O Memory Address.                                      */
+/*                                                                      */
+/* Return:                                                              */
+/*   An iSeries_Device_Node to the device mapped to the I/O address. The*/
+/*   BarNumber and BarOffset are valid if the Device Node is returned.  */
+/************************************************************************/
+extern struct iSeries_Device_Node* iSeries_xlateIoMmAddress(void* IoAddress);
+
+#endif /* _ISERIES_IOMMTABLE_H */