Annotation of sys/dev/ic/twereg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: twereg.h,v 1.8 2007/04/10 17:47:55 miod Exp $ */
2:
3: /*
4: * Copyright (c) 2000 Michael Shalayeff
5: * All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: *
16: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19: * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
20: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22: * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
25: * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
26: * THE POSSIBILITY OF SUCH DAMAGE.
27: */
28: /*
29: * most of the meaning for registers were taken from
30: * freebsd driver, which in turn got 'em from linux.
31: * it seems those got 'em from windows driver, in turn.
32: */
33:
34:
35: /* general parameters */
36: #define TWE_MAX_UNITS 16
37: #define TWE_MAXOFFSETS 62
38: #define TWE_MAXCMDS 255
39: #define TWE_SECTOR_SIZE 512
40: #define TWE_ALIGN 512
41: #define TWE_MAXFER (TWE_MAXOFFSETS * PAGE_SIZE)
42:
43: /* registers */
44: #define TWE_CONTROL 0x00
45: #define TWE_CTRL_CHOSTI 0x00080000 /* clear host int */
46: #define TWE_CTRL_CATTNI 0x00040000 /* clear attention int */
47: #define TWE_CTRL_MCMDI 0x00020000 /* mask cmd int */
48: #define TWE_CTRL_MRDYI 0x00010000 /* mask ready int */
49: #define TWE_CTRL_ECMDI 0x00008000 /* enable cmd int */
50: #define TWE_CTRL_ERDYI 0x00004000 /* enable ready int */
51: #define TWE_CTRL_CERR 0x00000200 /* clear error status */
52: #define TWE_CTRL_SRST 0x00000100 /* soft reset */
53: #define TWE_CTRL_EINT 0x00000080 /* enable ints */
54: #define TWE_CTRL_MINT 0x00000040 /* mask ints */
55: #define TWE_CTRL_HOSTI 0x00000020 /* generate host int */
56: #define TWE_STATUS 0x04
57: #define TWE_STAT_MAJV 0xf0000000
58: #define TWE_MAJV(st) (((st) >> 28) & 0xf)
59: #define TWE_STAT_MINV 0x0f000000
60: #define TWE_MINV(st) (((st) >> 24) & 0xf)
61: #define TWE_STAT_PCIPAR 0x00800000
62: #define TWE_STAT_QUEUEE 0x00400000
63: #define TWE_STAT_CPUERR 0x00200000
64: #define TWE_STAT_PCIABR 0x00100000
65: #define TWE_STAT_HOSTI 0x00080000
66: #define TWE_STAT_ATTNI 0x00040000
67: #define TWE_STAT_CMDI 0x00020000
68: #define TWE_STAT_RDYI 0x00010000
69: #define TWE_STAT_CQF 0x00008000 /* cmd queue full */
70: #define TWE_STAT_RQE 0x00004000 /* ready queue empty */
71: #define TWE_STAT_CPURDY 0x00002000 /* cpu ready */
72: #define TWE_STAT_CQR 0x00001000 /* cmd queue ready */
73: #define TWE_STAT_FLAGS 0x00fff000 /* mask out other stuff */
74: #define TWE_STAT_BITS "\020\015cqr\016cpurdy\017rqe\20cqf" \
75: "\021rdyi\022cmdi\023attni\024hosti\025pciabr\026cpuerr\027queuee\030pcipar"
76:
77: #define TWE_COMMANDQUEUE 0x08
78: /*
79: * the segs offset is encoded into upper 3 bits of the opcode.
80: * i bet other bits mean something too
81: * upper 8 bits is the command size in 32bit words.
82: */
83: #define TWE_CMD_NOP 0x0200
84: #define TWE_CMD_INIT 0x0301
85: #define TWE_CMD_READ 0x0362
86: #define TWE_CMD_WRITE 0x0363
87: #define TWE_CMD_RDVRFY 0x0364
88: #define TWE_CMD_VERIFY 0x0365
89: #define TWE_CMD_ZRFUNIT 0x0208
90: #define TWE_CMD_RPLUNIT 0x0209
91: #define TWE_CMD_HOTSWAP 0x020a
92: #define TWE_CMD_SETATA 0x020c
93: #define TWE_CMD_FLUSH 0x020e
94: #define TWE_CMD_ABORT 0x020f
95: #define TWE_CMD_QSTAT 0x0210
96: #define TWE_CMD_GPARAM 0x0252
97: #define TWE_CMD_SPARAM 0x0253
98: #define TWE_CMD_NEWUNIT 0x0214
99: #define TWE_CMD_DELUNIT 0x0215
100: #define TWE_CMD_RBLUNIT 0x0217 /* rebuild */
101: #define TWE_CMD_SECINF 0x021a
102: #define TWE_CMD_AEN 0x021c
103: #define TWE_CMD_CMDPK 0x021d
104: #define TWE_READYQUEUE 0x0c
105: #define TWE_READYID(u) (((u) >> 4) & 0xff)
106:
107: /*
108: * From 3ware's documentation:
109: *
110: * All parameters maintained by the controller are grouped into related
111: * tables. Tables are are accessed indirectly via get and set parameter
112: * commands. To access a specific parameter in a table, the table ID and
113: * parameter index are used to uniquely identify a parameter. Table
114: * 0xffff is the directory table and provides a list of the table IDs and
115: * sizes of all other tables. Index zero in each table specifies the
116: * entire table, and index one specifies the size of the table. An entire
117: * table can be read or set by using index zero.
118: */
119:
120: /* get/set param table ids */
121: #define TWE_PARAM_ALL 0x000 /* everything */
122: #define TWE_PARAM_DSUM 0x002 /* drive summary */
123: #define TWE_PARAM_UC 0x003 /* unit config */
124: #define TWE_PARAM_DC 0x200 /* + 15 -- drive config (doc says 0x100) */
125: #define TWE_PARAM_UI 0x300 /* + 16 -- unit information */
126: #define TWE_PARAM_AEN 0x401
127: #define TWE_PARAM_VER 0x402 /* version info */
128: #define TWE_PARAM_CTRL 0x403 /* controller info */
129: #define TWE_PARAM_FTRS 0x404 /* features */
130: #define TWE_PARAM_DIR 0xffff /* param table directory */
131:
132: #define TWE_AEN_QEMPTY 0x0000
133: #define TWE_AEN_SRST 0x0001 /* soft reset */
134: #define TWE_AEN_DMIRROR 0x0002 /* degraded mirror */
135: #define TWE_AEN_CERROR 0x0003 /* controller error */
136: #define TWE_AEN_RBFAIL 0x0004 /* rebuild failed */
137: #define TWE_AEN_RBDONE 0x0005 /* rebuild done */
138: #define TWE_AEN_ILLUN 0x0006 /* incompatible unit */
139: #define TWE_AEN_INDONE 0x0007 /* init done */
140: #define TWE_AEN_DSHUT 0x0008 /* unclean shutdown */
141: #define TWE_AEN_APORT 0x0009 /* aport timeout */
142: #define TWE_AEN_DRVERR 0x000a /* drive error */
143: #define TWE_AEN_RBSTART 0x000b /* rebuild start */
144: #define TWE_AEN_ISTART 0x000c /* init started */
145: #define TWE_AEN_TUN 0x0015 /* table undefined */
146: /* TWE_AEN_ 0x0000 * dunno what this is (yet) */
147: #define TWE_AEN_QFULL 0x00ff
148:
149: #pragma pack(1)
150:
151: /* struct definitions */
152: struct twe_param {
153: u_int16_t table_id;
154: u_int8_t param_id;
155: u_int8_t param_size;
156: u_int8_t data[1];
157: };
158:
159: struct twe_segs {
160: u_int32_t twes_addr;
161: u_int32_t twes_len;
162: };
163:
164: struct twe_cmd {
165: u_int16_t cmd_op;
166: u_int8_t cmd_index;
167: u_int8_t cmd_unit_host;
168: #define TWE_UNITHOST(u, h) (((u) & 0xf) | ((h) << 4))
169: u_int8_t cmd_status;
170: u_int8_t cmd_flags;
171: #define TWE_FLAGS_CACHEDISABLE 0x01
172: union {
173: struct {
174: u_int16_t count;
175: u_int32_t lba;
176: struct twe_segs segs[TWE_MAXOFFSETS];
177: u_int32_t pad;
178: } _cmd_io;
179: #define cmd_io _._cmd_io
180: struct {
181: u_int16_t count;
182: struct twe_segs segs[TWE_MAXOFFSETS];
183: } _cmd_param;
184: #define cmd_param _._cmd_param
185: struct {
186: u_int16_t msgcr;
187: u_int32_t rdy_q_ptr;
188: } _cmd_init;
189: #define cmd_init _._cmd_init
190: struct {
191: u_int8_t action;
192: #define TWE_HSWAP_REMOVE 0
193: #define TWE_HSWAP_ADDCBOD 1
194: #define TWE_HSWAP_ADDSPARE 2
195: u_int8_t port;
196: } _cmd_aport;
197: #define cmd_hswap _._cmd_hswap
198: struct {
199: u_int8_t feature;
200: #define TWE_ATA_WCE 0x02
201: #define TWE_ATA_NWCE 0x82
202: u_int8_t mode;
203: u_int16_t units;
204: u_int16_t persist;
205: } _cmd_ata;
206: #define cmd_ata _._cmd_ata
207: u_int16_t cmd_status;
208: struct {
209: u_int8_t action;
210: #define TWE_REBUILD_NOP 0
211: #define TWE_REBUILD_STOP 2
212: #define TWE_REBUILD_START 4
213: #define TWE_REBUILD_STARTU 5
214: #define TWE_REBUILD_CS 0x80
215: u_int8_t subunit; /* raid10 lu rebuild */
216: } _cmd_rebuild;
217: #define cmd_rebuild _._cmd_rebuild
218: } _;
219: }; /* 512 bytes */
220:
221: #pragma pack()
CVSweb
![[BACK]](/icons/back.gif){kind=icon}
Return to twereg.h CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / sys / dev / ic