fe85ec34ec
The nvidia driver currently uses these callbacks to work around problems where
RAC will disable access to the hardware at unexpected times. This change
restores these hooks until we can come up with a better API for working around
RAC.
This reverts commit d7c0ba2e9e.
Conflicts:
hw/xfree86/loader/xf86sym.c
147 lines
4.8 KiB
C
147 lines
4.8 KiB
C
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/*
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* Copyright (c) 1997-2003 by The XFree86 Project, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name of the copyright holder(s)
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* and author(s) shall not be used in advertising or otherwise to promote
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* the sale, use or other dealings in this Software without prior written
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* authorization from the copyright holder(s) and author(s).
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*/
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/*
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* This file contains definitions of the bus-related data structures/types.
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* Everything contained here is private to xf86Bus.c. In particular the
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* video drivers must not include this file.
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*/
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#ifndef _XF86_BUS_H
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#define _XF86_BUS_H
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#include "xf86pciBus.h"
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#if defined(__sparc__) || defined(__sparc)
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#include "xf86sbusBus.h"
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#endif
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typedef struct racInfo {
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xf86AccessPtr mem_new;
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xf86AccessPtr io_new;
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xf86AccessPtr io_mem_new;
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xf86SetAccessFuncPtr old;
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} AccessFuncRec, *AccessFuncPtr;
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typedef struct {
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DriverPtr driver;
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int chipset;
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int entityProp;
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EntityProc entityInit;
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EntityProc entityEnter;
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EntityProc entityLeave;
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pointer private;
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resPtr resources;
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Bool active;
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Bool inUse;
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BusRec bus;
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EntityAccessPtr access;
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AccessFuncPtr rac;
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pointer busAcc;
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int lastScrnFlag;
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DevUnion * entityPrivates;
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int numInstances;
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GDevPtr * devices;
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IOADDRESS domainIO;
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} EntityRec, *EntityPtr;
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#define NO_SEPARATE_IO_FROM_MEM 0x0001
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#define NO_SEPARATE_MEM_FROM_IO 0x0002
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#define NEED_VGA_ROUTED 0x0004
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#define NEED_VGA_ROUTED_SETUP 0x0008
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#define NEED_MEM 0x0010
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#define NEED_IO 0x0020
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#define NEED_MEM_SHARED 0x0040
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#define NEED_IO_SHARED 0x0080
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#define ACCEL_IS_SHARABLE 0x0100
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#define IS_SHARED_ACCEL 0x0200
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#define SA_PRIM_INIT_DONE 0x0400
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#define NEED_VGA_MEM 0x1000
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#define NEED_VGA_IO 0x2000
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#define NEED_SHARED (NEED_MEM_SHARED | NEED_IO_SHARED)
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#define busType bus.type
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#define isaBusId bus.id.isa
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#define sbusBusId bus.id.sbus
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struct x_BusAccRec;
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typedef void (*BusAccProcPtr)(struct x_BusAccRec *ptr);
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typedef struct x_BusAccRec {
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BusAccProcPtr set_f;
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BusAccProcPtr enable_f;
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BusAccProcPtr disable_f;
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BusAccProcPtr save_f;
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BusAccProcPtr restore_f;
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struct x_BusAccRec *current; /* pointer to bridge open on this bus */
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struct x_BusAccRec *primary; /* pointer to the bus connecting to this */
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struct x_BusAccRec *next; /* this links the different buses together */
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BusType type;
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BusType busdep_type;
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/* Bus-specific fields */
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union {
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struct {
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int bus;
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int primary_bus;
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struct pci_device * dev;
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pciBridgesSave save;
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} pci;
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} busdep;
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} BusAccRec, *BusAccPtr;
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/* state change notification callback */
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typedef struct _stateChange {
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xf86StateChangeNotificationCallbackFunc func;
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pointer arg;
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struct _stateChange *next;
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} StateChangeNotificationRec, *StateChangeNotificationPtr;
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extern EntityPtr *xf86Entities;
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extern int xf86NumEntities;
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extern xf86AccessRec AccessNULL;
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extern BusRec primaryBus;
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extern resPtr Acc;
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extern resPtr ResRange;
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extern BusAccPtr xf86BusAccInfo;
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int xf86AllocateEntity(void);
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BusType StringToBusType(const char* busID, const char **retID);
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Bool xf86IsSubsetOf(resRange range, resPtr list);
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resPtr xf86ExtractTypeFromList(resPtr list, unsigned long type);
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resPtr xf86FindIntersect(resRange Range, resPtr list);
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void RemoveOverlaps(resPtr target, resPtr list, Bool pow2Alignment,
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Bool useEstimated);
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#endif /* _XF86_BUS_H */
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