sys/agp/agpamd64gart_io.h

	agpamd64gart_io.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_AGPAMD64GART_IO_H
#define _SYS_AGPAMD64GART_IO_H

#pragma ident   "%Z%%M% %I% %E% SMI"

#ifdef __cplusplus
extern "C" {
#endif

#ifdef _KERNEL

#define AMD64GART_NAME      "amd64_gart"
#define CPUGART_DEVLINK     "/dev/agp/cpugart"

#define AGPAMD64GARTIOC_BASE    'M'

#define AMD64_GET_INFO      _IOR(AGPAMD64GARTIOC_BASE, 50, amdgart_info_t)
#define AMD64_SET_GART_ADDR _IOW(AGPAMD64GARTIOC_BASE, 51, uint32_t)
#define AMD64_FLUSH_GTLB    _IO(AGPAMD64GARTIOC_BASE, 52)
#define AMD64_CONFIGURE     _IO(AGPAMD64GARTIOC_BASE, 53)
#define AMD64_UNCONFIG      _IO(AGPAMD64GARTIOC_BASE, 54)

/* Used to retrieve attributes of the amd64 gart device */
typedef struct amdgart_info {
    uint64_t    cgart_aperbase;
    size_t      cgart_apersize;
} amdgart_info_t;

#endif /* _KERNEL */

#ifdef __cplusplus
}
#endif

#endif /* _SYS_AGPAMD64GART_IO_H */