xref: /netbsd/sys/dev/std/ieee1212reg.h (revision bf9ec67e)
1 /*        $NetBSD: ieee1212reg.h,v 1.7 2002/04/02 10:10:54 jmc Exp $ */
2 
3 /*-
4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #ifndef _DEV_STD_IEEE1212REG_H_
40 #define _DEV_STD_IEEE1212REG_H_
41 
42 /* This file contains definitions from ISO/IEC 1312 or ANSI/IEEE Std 1212
43  *	Informaton techonology
44  *		Microprocessor systes
45  *			Control and Status Registers (CSR)
46  *			Architecture for microcomputer buses
47  *	First edition 1994-10-05
48  */
49 
50 /* Lock transaction codes (Table 5)
51  */
52 #define	P1212_XTCODE_RESERVED_0		0
53 #define	P1212_XTCODE_MASK_SWAP		1
54 #define	P1212_XTCODE_COMPARE_SWAP	2
55 #define	P1212_XTCODE_FETCH_ADD		3
56 #define	P1212_XTCODE_LITTLE_ADD		4
57 #define	P1212_XTCODE_BOUNDED_ADD	5
58 #define	P1212_XTCODE_WRAP_ADD		6
59 #define	P1212_XTCODE_VENDOR_DEPENDENT	7
60 
61 /*	Header:		Rom Format (1 Quadlet)
62  *	Bus Info Block:	<info-length> Quadlets
63  *	Root Directory
64  *	Unit Directory
65  *	Root & Unit Leaves
66  *	Vendor Dependent Information
67  */
68 /* ROM Formats
69  *	0x00-0x000000		Initializing
70  *	0x01-0xzzyyxx		Minimal (zz-yy-xx is an OUI)
71  *	0xii-0xcc-0xllll	General (ii is info-length,
72  *				cc is crc-length, llll is length)
73  */
74 
75 #define	P1212_ROMFMT_INIT			0x00
76 #define	P1212_ROMFMT_MINIMAL			0x01
77 
78 /*	uint32_t P1212_ROMFMT_MK_INIT(void)
79  */
80 #define	P1212_ROMFMT_MK_INIT()			0x00000000
81 
82 /*	uint32_t P1212_ROMFMT_MK_MINIMAL(const uint8_t *oui);
83  */
84 #define	P1212_ROMFMT_MK_MINIMAL(oui) \
85 	((P1212_ROMFMT_MINIMAL << 24) \
86 	 | ((oui[0]) << 16) \
87 	 | ((oui[1]) <<  8) \
88 	 | ((oui[2]) <<  0))
89 
90 /*	uint32_t P1212_ROMFMT_MK_GENERAL(size_t info_len, size_t crc_len,
91  *			uint16_t crc);
92  */
93 #define	P1212_ROMFMT_MK_GENERAL(info_len, crc_len, crc_value) \
94 	(((info_len) << 24) \
95 	 | ((crc_len) << 16) \
96 	 | ((crc_value) << 0))
97 
98 /*	unsigned P1212_ROMFMT_GET_FMT(uint32_t);
99  */
100 #define	P1212_ROMFMT_GET_FMT(quadlet)	(((quadlet) >> 24) & 0xff)
101 
102 /*	void P1212_ROMFMT_GET_OUI(uint32_t quadlet, uint8_t *oui);
103  */
104 #define	P1212_ROMTFMT_GET_OUI(quadlet, oui) do { \
105 	(oui)[0] = ((quadlet) >> 16) & 0xff; \
106 	(oui)[1] = ((quadlet) >>  8) & 0xff; \
107 	(oui)[2] = ((quadlet) >>  0) & 0xff; \
108    } while (0)
109 
110 /*	size_t P1212_ROMGET_GET_INFOLEN(uint32_t quadlet);
111  */
112 #define	P1212_ROMFMT_GET_INFOLEN(quadlet)	(((quadlet) >> 24) & 0xff)
113 
114 /*	size_t P1212_ROMGET_GET_CRCLEN(uint32_t quadlet);
115  */
116 #define	P1212_ROMFMT_GET_CRCLEN(quadlet)	(((quadlet) >> 16) & 0xff)
117 
118 /*	size_t P1212_ROMGET_GET_CRC(uint32_t quadlet);
119  */
120 #define	P1212_ROMFMT_GET_CRC(quadlet)		((uint16_t)(quadlet))
121 
122 /*      uint8_t      P1212_DIRENT_GET_KEY(uint32_t quadlet);
123  */
124 #define P1212_DIRENT_GET_KEY(quadlet)           (((quadlet) >> 24) & 0xff)
125 
126 /*	unsigned int P1212_DIRENT_GET_KEYTYPE(uint32_t quadlet);
127  */
128 #define	P1212_DIRENT_GET_KEYTYPE(quadlet)	(((quadlet) >> 30) & 0x03)
129 
130 /*	unsigned int P1212_DIRENT_GET_KEYVALUE(uint32_t quadlet);
131  */
132 #define	P1212_DIRENT_GET_KEYVALUE(quadlet)	(((quadlet) >> 24) & 0x3f)
133 
134 /*	unsigned int P1212_DIRENT_GET_OFFSET(uint32_t quadlet);
135  */
136 #define	P1212_DIRENT_GET_OFFSET(quadlet)	((quadlet) & 0xffffff)
137 
138 /*	unsigned int P1212_DIRENT_GET_VALUE(uint32_t quadlet);
139  */
140 #define	P1212_DIRENT_GET_VALUE(quadlet)		((quadlet) & 0xffffff)
141 
142 /*      u_int16_t P1212_DIRENT_GET_LEN(quadlet);
143  */
144 #define P1212_DIRENT_GET_LEN(quadlet)           (((quadlet) >> 16) & 0xffff)
145 
146 /*      u_int16_t P1212_DIRENT_GET_CRC(quadlet);
147  */
148 #define P1212_DIRENT_GET_CRC(quadlet)           ((uint16_t)(quadlet))
149 
150 /* Key Types are stored in bits 31-30 of a directory entry.
151  */
152 
153 #define	P1212_KEYTYPE_Immediate			0x00
154 #define	P1212_KEYTYPE_Offset			0x01
155 #define	P1212_KEYTYPE_Leaf			0x02
156 #define	P1212_KEYTYPE_Directory			0x03
157 
158 /* Key Values are stored in bits 29-24 of a directory entry.
159  */
160 #define	P1212_KEYVALUE_Textual_Descriptor	0x01	/* leaf | directory */
161 #define	P1212_KEYVALUE_Bus_Dependent_Info	0x02	/* leaf | directory */
162 #define	P1212_KEYVALUE_Module_Vendor_Id		0x03	/* immediate */
163 #define	P1212_KEYVALUE_Module_Hw_Version	0x04	/* immediate */
164 #define	P1212_KEYVALUE_Module_Spec_Id		0x05	/* immediate */
165 #define	P1212_KEYVALUE_Module_Sw_Version	0x06	/* immediate */
166 #define	P1212_KEYVALUE_Module_Dependent_Info	0x07	/* leaf | directory */
167 #define	P1212_KEYVALUE_Node_Vendor_Id		0x08	/* immediate */
168 #define	P1212_KEYVALUE_Node_Hw_Version		0x09	/* immediate */
169 #define	P1212_KEYVALUE_Node_Spec_Id		0x0a	/* immediate */
170 #define	P1212_KEYVALUE_Node_Sw_Version		0x0b	/* immediate */
171 #define	P1212_KEYVALUE_Node_Capabilities	0x0c	/* immediate */
172 #define	P1212_KEYVALUE_Node_Unique_Id		0x0d	/* leaf */
173 #define	P1212_KEYVALUE_Node_Units_Extent	0x0e	/* immediate | offset */
174 #define	P1212_KEYVALUE_Node_Memory_Extent	0x0f	/* immediate | offset */
175 #define	P1212_KEYVALUE_Node_Dependent_Info	0x10	/* leaf | directory */
176 #define	P1212_KEYVALUE_Unit_Directory		0x11	/* directory */
177 #define	P1212_KEYVALUE_Unit_Spec_Id		0x12	/* immediate */
178 #define	P1212_KEYVALUE_Unit_Sw_Version		0x13	/* immediate */
179 #define	P1212_KEYVALUE_Unit_Dependent_Info	0x14	/* leaf | directory */
180 #define	P1212_KEYVALUE_Unit_Location		0x15	/* leaf */
181 #define	P1212_KEYVALUE_Unit_Poll_Mask		0x16	/* immediate */
182 
183 /*
184  * Items not in original p1212 standard but are in proposed drafts and in use
185  * already in some roms.
186  */
187 
188 #define P1212_KEYVALUE_Model                    0x17    /* immediate */
189 #define P1212_KEYVALUR_Instance_Directory       0x18    /* directory */
190 #define P1212_KEYVALUE_Keyword                  0x19    /* leaf */
191 #define P1212_KEYVALUE_Feature_Directory        0x1A    /* directory */
192 #define P1212_KEYVALUE_Extended_ROM             0x1B    /* leaf */
193 #define P1212_KEYVALUE_Extended_Key_Spec_Id     0x1C    /* immediate */
194 #define P1212_KEYVALUE_Extended_Key             0x1D    /* immediate */
195 #define P1212_KEYVALUE_Extended_Data            0x1E    /* imm|leaf|dir|offset */
196 #define P1212_KEYVALUE_Modifiable_Descriptor    0x1F    /* leaf */
197 #define P1212_KEYVALUE_Directory_Id             0x20    /* immediate */
198 
199 #define	P1212_KEYTYPE_STRINGS { "Immediate", "Offset", "Leaf", "Directory" }
200 
201 #define P1212_KEYVALUE_STRINGS { "Root-Directory", \
202 	"Textual-Descriptor", "Bus-Dependent-Info", "Module-Vendor-Id", \
203 	"Module-Hw-Version", "Module-Spec-Id", "Module-Sw-Version", \
204 	"Module-Dependent-Info", "Node-Vendor-Id", "Node-Hw_Version", \
205 	"Node-Spec-Id", "Node-Sw-Verson", "Node-Capabilities", \
206 	"Node-Unique-Id", "Node-Units-Extent", "Node-Memory-Extent", \
207 	"Node-Dependent-Info", "Unit-Directory", "Unit-Spec-Id", \
208 	"Unit-Sw-Version", "Unit-Dependent-Info", "Unit-Location", \
209 	"Unit-Poll-Mask", "Model", "Instance-Directory", "Keyword", \
210         "Feature-Directory", "Extended-ROM", "Extended-Key-Spec-Id", \
211         "Extended-Key", "Extended-Data", "Modifiable-Descriptor", \
212         "Directory-Id" }
213 
214 /* Leaf nodes look like:
215  *
216  *	[0]	0xnnnn-0xcccc		length, crc16
217  *	[n]
218  *
219  * Text leaves look like:
220  *	[0]	0xnnnn-0xcccc		length, crc16
221  *	[1]	0xtt-0xiiiiii		specifier type, specifier id
222  *	[2]	0xllllllll		language id
223  */
224 
225 #define	P1212_TEXT_Min_Leaf_Length 0x3
226 #define P1212_TEXT_GET_Spec_Type(quadlet)	(((quadlet) & 0xff000000) >> 24)
227 #define P1212_TEXT_GET_Spec_Id(quadlet)		((quadlet) & 0xffffff)
228 
229 /*
230  * Directory nodes look like:
231  *	[0]	0xnnnn-0xcccc		length, crc16
232  *	[1]	direntry
233  *	[n]	direntry
234  */
235 
236 /* Some definitions for the p1212_find routines. */
237 
238 #define P1212_FIND_SEARCHALL          0x1
239 #define P1212_FIND_RETURNALL          0x2
240 
241 /* Mask definitions for overriding the p1212 standard checks. */
242 
243 /*
244  * XXX: Note that some of these go away if full p1212r support is done as
245  * a lot of the restrictions were lifted there in what can go where.
246  */
247 
248 
249 /* Normally dependent info can only be leaf or directory. Allow offsets also */
250 #define P1212_ALLOW_DEPENDENT_INFO_OFFSET_TYPE	0x1
251 
252 /* Same thing applies for immediate types. */
253 #define P1212_ALLOW_DEPENDENT_INFO_IMMED_TYPE	0x2
254 #define P1212_ALLOW_VENDOR_DIRECTORY_TYPE	0x4
255 
256 #endif	/* _DEV_STD_IEEE1212REG_H_ */
257