xref: /titanic_51/usr/src/uts/sun4/sys/fc_plat.h (revision 3f95ae75d80ff5305433fd2a78219e39e23a08bb)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_SYS_FC_PLAT_H
28 #define	_SYS_FC_PLAT_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <sys/inttypes.h>
33 #include <sys/obpdefs.h>
34 
35 #ifdef	__cplusplus
36 extern "C" {
37 #endif
38 
39 /*
40  * Platform specific definitions for the fcode interpreter and driver.
41  * Define the cell size for the implementation.
42  *
43  * These definitions are appropriate for SPARC V9.
44  */
45 
46 /*
47  * The cell size is based on the cell size of the underlying "firmware"
48  * implementation.  NB: FCode is really a 32-bit language, but we still
49  * define our interfaces in terms of the underlying cell size.
50  */
51 
52 typedef unsigned long long fc_cell_t;
53 
54 /*
55  * common typedef for phandles accross the interface.
56  */
57 typedef uint32_t fc_phandle_t;
58 
59 /*
60  * Handy macros for converting from an fc_cell_t to an integral type
61  * These are useful because arguments and results are always passed
62  * in an array of fc_cell_t's.
63  */
64 
65 #define	fc_ptr2cell(p)		((fc_cell_t)((uintptr_t)((void *)(p))))
66 #define	fc_int2cell(i)		((fc_cell_t)((int)(i)))
67 #define	fc_uint2cell(u)		((fc_cell_t)((unsigned int)(u)))
68 #define	fc_uint32_t2cell(u)	((fc_cell_t)((unsigned int)((uint32_t)(u))))
69 #define	fc_uint16_t2cell(w)	((fc_cell_t)((unsigned int)((uint16_t)(w))))
70 #define	fc_uint8_t2cell(b)	((fc_cell_t)((unsigned int)((uint8_t)(b))))
71 #define	fc_size2cell(u)		((fc_cell_t)((size_t)(u)))
72 #define	fc_ssize2cell(i)	((fc_cell_t)((ssize_t)(i)))
73 #define	fc_phandle2cell(ph)	((fc_cell_t)((unsigned int)((phandle_t)(ph))))
74 #define	fc_dnode2cell(d)	((fc_cell_t)((unsigned int)((pnode_t)(d))))
75 #define	fc_ull2cell_high(ll)	(0LL)
76 #define	fc_ull2cell_low(ll)	((fc_cell_t)(ll))
77 #define	fc_uintptr2cell(i)	((fc_cell_t)((uintptr_t)(i)))
78 #define	fc_uchar2cell(c)	((fc_cell_t)((unsigned char)(c)))
79 #define	fc_ushort2cell(w)	((fc_cell_t)((unsigned short)(w)))
80 #define	fc_ihandle2cell(h)	((fc_cell_t)((fc_ihandle_t)(h)))
81 
82 #define	fc_cell2ptr(p)		((void *)((fc_cell_t)(p)))
83 #define	fc_cell2int(i)		((int)((fc_cell_t)(i)))
84 #define	fc_cell2uint(u)		((unsigned int)((fc_cell_t)(u)))
85 #define	fc_cell2uint32_t(u)	((uint32_t)((fc_cell_t)(u)))
86 #define	fc_cell2uint16_t(w)	((uint16_t)((fc_cell_t)(w)))
87 #define	fc_cell2uint8_t(b)	((uint8_t)((fc_cell_t)(b)))
88 #define	fc_cell2size(u)		((size_t)((fc_cell_t)(u)))
89 #define	fc_cell2ssize(i)	((ssize_t)((fc_cell_t)(i)))
90 #define	fc_cell2phandle(ph)	((phandle_t)((fc_cell_t)(ph)))
91 #define	fc_cell2dnode(d)	((pnode_t)((fc_cell_t)(d)))
92 #define	fc_cells2ull(h, l)	((unsigned long long)(fc_cell_t)(l))
93 #define	fc_cell2uintptr(i)	((uintptr_t)((fc_cell_t)(i)))
94 #define	fc_cell2uchar(c)	((unsigned char)(fc_cell_t)(c))
95 #define	fc_cell2ushort(w)	((unsigned short)(fc_cell_t)(w))
96 #define	fc_cell2ihandle(h)	((fc_ihandle_t)(fc_cell_t)(h))
97 
98 #ifdef	__cplusplus
99 }
100 #endif
101 
102 #endif /* _SYS_FC_PLAT_H */
103