xref: /titanic_50/usr/src/uts/common/sys/agp/agpamd64gart_io.h (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
3*7c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
4*7c478bd9Sstevel@tonic-gate  */
5*7c478bd9Sstevel@tonic-gate 
6*7c478bd9Sstevel@tonic-gate #ifndef	_SYS_AGPAMD64GART_IO_H
7*7c478bd9Sstevel@tonic-gate #define	_SYS_AGPAMD64GART_IO_H
8*7c478bd9Sstevel@tonic-gate 
9*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
10*7c478bd9Sstevel@tonic-gate 
11*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus
12*7c478bd9Sstevel@tonic-gate extern "C" {
13*7c478bd9Sstevel@tonic-gate #endif
14*7c478bd9Sstevel@tonic-gate 
15*7c478bd9Sstevel@tonic-gate #ifdef _KERNEL
16*7c478bd9Sstevel@tonic-gate 
17*7c478bd9Sstevel@tonic-gate #define	AMD64GART_NAME		"amd64_gart"
18*7c478bd9Sstevel@tonic-gate #define	CPUGART_DEVLINK		"/dev/agp/cpugart"
19*7c478bd9Sstevel@tonic-gate 
20*7c478bd9Sstevel@tonic-gate #define	AGPAMD64GARTIOC_BASE	'M'
21*7c478bd9Sstevel@tonic-gate 
22*7c478bd9Sstevel@tonic-gate #define	AMD64_GET_INFO		_IOR(AGPAMD64GARTIOC_BASE, 50, amdgart_info_t)
23*7c478bd9Sstevel@tonic-gate #define	AMD64_SET_GART_ADDR	_IOW(AGPAMD64GARTIOC_BASE, 51, uint32_t)
24*7c478bd9Sstevel@tonic-gate #define	AMD64_FLUSH_GTLB	_IO(AGPAMD64GARTIOC_BASE, 52)
25*7c478bd9Sstevel@tonic-gate #define	AMD64_CONFIGURE		_IO(AGPAMD64GARTIOC_BASE, 53)
26*7c478bd9Sstevel@tonic-gate #define	AMD64_UNCONFIG		_IO(AGPAMD64GARTIOC_BASE, 54)
27*7c478bd9Sstevel@tonic-gate 
28*7c478bd9Sstevel@tonic-gate /* Used to retrieve attributes of the amd64 gart device */
29*7c478bd9Sstevel@tonic-gate typedef struct amdgart_info {
30*7c478bd9Sstevel@tonic-gate 	uint64_t	cgart_aperbase;
31*7c478bd9Sstevel@tonic-gate 	size_t		cgart_apersize;
32*7c478bd9Sstevel@tonic-gate } amdgart_info_t;
33*7c478bd9Sstevel@tonic-gate 
34*7c478bd9Sstevel@tonic-gate #endif /* _KERNEL */
35*7c478bd9Sstevel@tonic-gate 
36*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus
37*7c478bd9Sstevel@tonic-gate }
38*7c478bd9Sstevel@tonic-gate #endif
39*7c478bd9Sstevel@tonic-gate 
40*7c478bd9Sstevel@tonic-gate #endif /* _SYS_AGPAMD64GART_IO_H */
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