xref: /minix/sys/dev/pci/twereg.h (revision 9f988b79)
1 /*	$NetBSD: twereg.h,v 1.15 2008/09/08 23:36:54 gmcgarry 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 Andrew Doran.
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  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 /*-
33  * Copyright (c) 2000 Michael Smith
34  * Copyright (c) 2000 BSDi
35  * All rights reserved.
36  *
37  * Redistribution and use in source and binary forms, with or without
38  * modification, are permitted provided that the following conditions
39  * are met:
40  * 1. Redistributions of source code must retain the above copyright
41  *    notice, this list of conditions and the following disclaimer.
42  * 2. Redistributions in binary form must reproduce the above copyright
43  *    notice, this list of conditions and the following disclaimer in the
44  *    documentation and/or other materials provided with the distribution.
45  *
46  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
47  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
48  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
49  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
50  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
51  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
52  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
53  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
54  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
55  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
56  * SUCH DAMAGE.
57  *
58  * from FreeBSD: twereg.h,v 1.1 2000/05/24 23:35:23 msmith Exp
59  */
60 
61 #ifndef _PCI_TWEREG_H_
62 #define	_PCI_TWEREG_H_
63 
64 /* Board registers. */
65 #define	TWE_REG_CTL			0x00
66 #define	TWE_REG_STS			0x04
67 #define	TWE_REG_CMD_QUEUE		0x08
68 #define	TWE_REG_RESP_QUEUE		0x0c
69 
70 /* Control register bit definitions. */
71 #define	TWE_CTL_CLEAR_HOST_INTR		0x00080000
72 #define	TWE_CTL_CLEAR_ATTN_INTR		0x00040000
73 #define	TWE_CTL_MASK_CMD_INTR		0x00020000
74 #define	TWE_CTL_MASK_RESP_INTR		0x00010000
75 #define	TWE_CTL_UNMASK_CMD_INTR		0x00008000
76 #define	TWE_CTL_UNMASK_RESP_INTR	0x00004000
77 #define	TWE_CTL_CLEAR_ERROR_STS		0x00000200
78 #define	TWE_CTL_ISSUE_SOFT_RESET	0x00000100
79 #define	TWE_CTL_ENABLE_INTRS		0x00000080
80 #define	TWE_CTL_DISABLE_INTRS		0x00000040
81 #define	TWE_CTL_ISSUE_HOST_INTR		0x00000020
82 #define	TWE_CTL_CLEAR_PARITY_ERROR	0x00800000
83 #define	TWE_CTL_CLEAR_PCI_ABORT		0x00100000
84 
85 /* Status register bit definitions. */
86 #define	TWE_STS_MAJOR_VERSION_MASK	0xf0000000
87 #define	TWE_STS_MINOR_VERSION_MASK	0x0f000000
88 #define	TWE_STS_PCI_PARITY_ERROR	0x00800000
89 #define	TWE_STS_QUEUE_ERROR		0x00400000
90 #define	TWE_STS_MICROCONTROLLER_ERROR	0x00200000
91 #define	TWE_STS_PCI_ABORT		0x00100000
92 #define	TWE_STS_HOST_INTR		0x00080000
93 #define	TWE_STS_ATTN_INTR		0x00040000
94 #define	TWE_STS_CMD_INTR		0x00020000
95 #define	TWE_STS_RESP_INTR		0x00010000
96 #define	TWE_STS_CMD_QUEUE_FULL		0x00008000
97 #define	TWE_STS_RESP_QUEUE_EMPTY	0x00004000
98 #define	TWE_STS_MICROCONTROLLER_READY	0x00002000
99 #define	TWE_STS_CMD_QUEUE_EMPTY		0x00001000
100 
101 #define	TWE_STS_ALL_INTRS		0x000f0000
102 #define	TWE_STS_CLEARABLE_BITS		0x00d00000
103 #define	TWE_STS_EXPECTED_BITS		0x00002000
104 #define	TWE_STS_UNEXPECTED_BITS		0x00f80000
105 
106 /* Command packet opcodes. */
107 #define TWE_OP_NOP			0x00
108 #define TWE_OP_INIT_CONNECTION		0x01
109 #define TWE_OP_READ			0x02
110 #define TWE_OP_WRITE			0x03
111 #define TWE_OP_READVERIFY		0x04
112 #define TWE_OP_VERIFY			0x05
113 #define TWE_OP_PROBE			0x06
114 #define TWE_OP_PROBEUNIT		0x07
115 #define TWE_OP_ZEROUNIT			0x08
116 #define TWE_OP_REPLACEUNIT		0x09
117 #define TWE_OP_HOTSWAP			0x0a
118 #define TWE_OP_SETATAFEATURE		0x0c
119 #define TWE_OP_FLUSH			0x0e
120 #define TWE_OP_ABORT			0x0f
121 #define TWE_OP_CHECKSTATUS		0x10
122 #define	TWE_OP_ATA_PASSTHROUGH		0x11
123 #define TWE_OP_GET_PARAM		0x12
124 #define TWE_OP_SET_PARAM		0x13
125 #define TWE_OP_CREATEUNIT		0x14
126 #define TWE_OP_DELETEUNIT		0x15
127 #define TWE_OP_REBUILDUNIT		0x17
128 #define TWE_OP_SECTOR_INFO		0x1a
129 #define TWE_OP_AEN_LISTEN		0x1c
130 #define TWE_OP_CMD_PACKET		0x1d
131 #define	TWE_OP_CMD_WITH_DATA		0x1f
132 
133 /* Response queue entries.  Masking and shifting yields request ID. */
134 #define	TWE_RESP_MASK			0x00000ff0
135 #define	TWE_RESP_SHIFT			4
136 
137 /* Miscellenous constants. */
138 #define	TWE_ALIGNMENT			512
139 #define	TWE_MAX_UNITS			16
140 #define	TWE_INIT_CMD_PACKET_SIZE	0x3
141 #define	TWE_SG_SIZE			62
142 #define	TWE_MAX_CMDS			255
143 #define	TWE_Q_START			0
144 #define	TWE_UNIT_INFORMATION_TABLE_BASE	0x300
145 #define	TWE_IOCTL			0x80
146 #define	TWE_SECTOR_SIZE			512
147 
148 /* Scatter/gather block. */
149 struct twe_sgb {
150 	u_int32_t	tsg_address;
151 	u_int32_t	tsg_length;
152 } __packed;
153 
154 /*
155  * Command block.  This is 512 (really 508) bytes in size, and must be
156  * aligned on a 512 byte boundary.
157  */
158 struct twe_cmd {
159 	u_int8_t	tc_opcode;	/* high 3 bits is S/G list offset */
160 	u_int8_t	tc_size;
161 	u_int8_t	tc_cmdid;
162 	u_int8_t	tc_unit;	/* high nybble is host ID */
163 	u_int8_t	tc_status;
164 	u_int8_t	tc_flags;
165 	u_int16_t	tc_count;	/* block & param count, msg credits */
166 	union {
167 		struct {
168 			u_int32_t	lba;
169 			struct	twe_sgb sgl[TWE_SG_SIZE];
170 		} io __packed;
171 		struct {
172 			struct	twe_sgb sgl[TWE_SG_SIZE];
173 		} param;
174 		struct {
175 			u_int32_t	response_queue_pointer;
176 		} init_connection  __packed;
177 	} tc_args;
178 	int32_t		tc_pad;
179 } __packed;
180 
181 /* Get/set parameter block. */
182 struct twe_param {
183 	u_int16_t	tp_table_id;
184 	u_int8_t	tp_param_id;
185 	u_int8_t	tp_param_size;
186 	u_int8_t	tp_data[1];
187 } __packed;
188 
189 /*
190  * From 3ware's documentation:
191  *
192  *   All parameters maintained by the controller are grouped into related
193  *   tables.  Tables are are accessed indirectly via get and set parameter
194  *   commands.  To access a specific parameter in a table, the table ID and
195  *   parameter index are used to uniquely identify a parameter.  Table
196  *   0xffff is the directory table and provides a list of the table IDs and
197  *   sizes of all other tables.  Index zero in each table specifies the
198  *   entire table, and index one specifies the size of the table.  An entire
199  *   table can be read or set by using index zero.
200  */
201 
202 #define TWE_PARAM_PARAM_ALL	0
203 #define TWE_PARAM_PARAM_SIZE	1
204 
205 #define TWE_PARAM_DIRECTORY			0xffff	/* size is 4 * number of tables */
206 #define TWE_PARAM_DIRECTORY_TABLES		2	/* 16 bits * number of tables */
207 #define TWE_PARAM_DIRECTORY_SIZES		3	/* 16 bits * number of tables */
208 
209 #define TWE_PARAM_DRIVESUMMARY			0x0002
210 #define TWE_PARAM_DRIVESUMMARY_Num		2	/* number of physical drives [2] */
211 #define TWE_PARAM_DRIVESUMMARY_Status		3	/* array giving drive status per aport */
212 #define TWE_PARAM_DRIVESTATUS_Missing		0x00
213 #define TWE_PARAM_DRIVESTATUS_NotSupp		0xfe
214 #define TWE_PARAM_DRIVESTATUS_Present		0xff
215 
216 #define TWE_PARAM_UNITSUMMARY			0x0003
217 #define TWE_PARAM_UNITSUMMARY_Num		2	/* number of logical units [2] */
218 #define TWE_PARAM_UNITSUMMARY_Status		3	/* array giving unit status [16] */
219 #define TWE_PARAM_UNITSTATUS_Online		(1<<0)
220 #define TWE_PARAM_UNITSTATUS_Complete		(1<<1)
221 #define TWE_PARAM_UNITSTATUS_MASK		0xfc
222 #define TWE_PARAM_UNITSTATUS_Normal		0xfc
223 #define TWE_PARAM_UNITSTATUS_Initialising	0xf4	/* cannot be incomplete */
224 #define TWE_PARAM_UNITSTATUS_Degraded		0xec
225 #define TWE_PARAM_UNITSTATUS_Rebuilding		0xdc	/* cannot be incomplete */
226 #define TWE_PARAM_UNITSTATUS_Verifying		0xcc	/* cannot be incomplete */
227 #define TWE_PARAM_UNITSTATUS_Corrupt		0xbc	/* cannot be complete */
228 #define TWE_PARAM_UNITSTATUS_Missing		0x00	/* cannot be complete or online */
229 
230 #define TWE_PARAM_DRIVEINFO			0x0200	/* add drive number 0x00-0x0f XXX docco confused 0x0100 vs 0x0200 */
231 #define TWE_PARAM_DRIVEINFO_Size		2	/* size in blocks [4] */
232 #define TWE_PARAM_DRIVEINFO_Model		3	/* drive model string [40] */
233 #define TWE_PARAM_DRIVEINFO_Serial		4	/* drive serial number [20] */
234 #define TWE_PARAM_DRIVEINFO_PhysCylNum		5	/* physical geometry [2] */
235 #define TWE_PARAM_DRIVEINFO_PhysHeadNum		6	/* [2] */
236 #define TWE_PARAM_DRIVEINFO_PhysSectorNum	7	/* [2] */
237 #define TWE_PARAM_DRIVEINFO_LogCylNum		8	/* logical geometry [2] */
238 #define TWE_PARAM_DRIVEINFO_LogHeadNum		9	/* [2] */
239 #define TWE_PARAM_DRIVEINFO_LogSectorNum	10	/* [2] */
240 #define TWE_PARAM_DRIVEINFO_UnitNum		11	/* unit number this drive is associated with or 0xff [1] */
241 #define TWE_PARAM_DRIVEINFO_DriveFlags		12	/* N/A [1] */
242 
243 #define TWE_PARAM_APORTTIMEOUT			0x02c0	/* add (aport_number * 3) to parameter index */
244 #define TWE_PARAM_APORTTIMEOUT_READ		2	/* read timeouts last 24hrs [2] */
245 #define TWE_PARAM_APORTTIMEOUT_WRITE		3	/* write timeouts last 24hrs [2] */
246 #define TWE_PARAM_APORTTIMEOUT_DEGRADE		4	/* degrade threshold [2] */
247 
248 #define TWE_PARAM_UNITINFO			0x0300	/* add unit number 0x00-0x0f */
249 #define TWE_PARAM_UNITINFO_Number		2	/* unit number [1] */
250 #define TWE_PARAM_UNITINFO_Status		3	/* unit status [1] */
251 #define TWE_PARAM_UNITINFO_Capacity		4	/* unit capacity in blocks [4] */
252 #define TWE_PARAM_UNITINFO_DescriptorSize	5	/* unit descriptor size + 3 bytes [2] */
253 #define TWE_PARAM_UNITINFO_Descriptor		6	/* unit descriptor, TWE_UnitDescriptor or TWE_Array_Descriptor */
254 #define TWE_PARAM_UNITINFO_Flags		7	/* unit flags [1] */
255 #define TWE_PARAM_UNITFLAGS_WCE			(1<<0)
256 
257 #define TWE_PARAM_AEN				0x0401
258 #define TWE_PARAM_AEN_UnitCode			2	/* (unit number << 8) | AEN code [2] */
259 #define TWE_AEN_QUEUE_EMPTY			0x00
260 #define TWE_AEN_SOFT_RESET			0x01
261 #define TWE_AEN_DEGRADED_MIRROR			0x02	/* reports unit */
262 #define TWE_AEN_CONTROLLER_ERROR		0x03
263 #define TWE_AEN_REBUILD_FAIL			0x04	/* reports unit */
264 #define TWE_AEN_REBUILD_DONE			0x05	/* reports unit */
265 #define TWE_AEN_INCOMP_UNIT			0x06	/* reports unit */
266 #define TWE_AEN_INIT_DONE			0x07	/* reports unit */
267 #define TWE_AEN_UNCLEAN_SHUTDOWN		0x08	/* reports unit */
268 #define TWE_AEN_APORT_TIMEOUT			0x09	/* reports unit, rate limited to 1 per 2^16 errors */
269 #define TWE_AEN_DRIVE_ERROR			0x0a	/* reports unit */
270 #define TWE_AEN_REBUILD_STARTED			0x0b	/* reports unit */
271 #define TWE_AEN_QUEUE_FULL			0xff
272 #define TWE_AEN_TABLE_UNDEFINED			0x15
273 #define TWE_AEN_CODE(x)				((x) & 0xff)
274 #define TWE_AEN_UNIT(x)				((x) >> 8)
275 
276 #define TWE_PARAM_VERSION			0x0402
277 #define TWE_PARAM_VERSION_Mon			2	/* monitor version [16] */
278 #define TWE_PARAM_VERSION_FW			3	/* firmware version [16] */
279 #define TWE_PARAM_VERSION_BIOS			4	/* BIOSs version [16] */
280 #define TWE_PARAM_VERSION_PCB			5	/* PCB version [8] */
281 #define TWE_PARAM_VERSION_ATA			6	/* A-chip version [8] */
282 #define TWE_PARAM_VERSION_PCI			7	/* P-chip version [8] */
283 #define TWE_PARAM_VERSION_CtrlModel		8	/* N/A */
284 #define TWE_PARAM_VERSION_CtrlSerial		9	/* N/A */
285 #define TWE_PARAM_VERSION_SBufSize		10	/* N/A */
286 #define TWE_PARAM_VERSION_CompCode		11	/* compatibility code [4] */
287 
288 #define TWE_PARAM_CONTROLLER			0x0403
289 #define TWE_PARAM_CONTROLLER_DCBSectors		2	/* # sectors reserved for DCB per drive [2] */
290 #define TWE_PARAM_CONTROLLER_PortCount		3	/* number of drive ports [1] */
291 
292 #define TWE_PARAM_FEATURES			0x404
293 #define TWE_PARAM_FEATURES_DriverShutdown	2	/* set to 1 if driver supports shutdown notification [1] */
294 
295 #define TWE_PARAM_PROC				0x406
296 #define TWE_PARAM_PROC_PERCENT			2	/* Per-sub-unit % complete of init/verify/rebuild or 0xff [16] */
297 
298 struct twe_unit_descriptor {
299 	u_int8_t	num_subunits;	/* must be zero */
300 	u_int8_t	configuration;
301 #define TWE_UD_CONFIG_CBOD	0x0c	/* JBOD with DCB, used for mirrors */
302 #define TWE_UD_CONFIG_SPARE	0x0d	/* same as CBOD, but firmware will use as spare */
303 #define TWE_UD_CONFIG_SUBUNIT	0x0e	/* drive is a subunit in an array */
304 #define TWE_UD_CONFIG_JBOD	0x0f	/* plain drive */
305 	u_int8_t	phys_drv_num;	/* may be 0xff if port can't be determined at runtime */
306 	u_int8_t	log_drv_num;	/* must be zero for configuration == 0x0f */
307 	u_int32_t	start_lba;
308 	u_int32_t	block_count;	/* actual drive size if configuration == 0x0f, otherwise less DCB size */
309 } __packed;
310 
311 struct twe_mirror_descriptor {
312 	u_int8_t	flag;			/* must be 0xff */
313 	u_int8_t	res1;
314 	u_int8_t	mirunit_status[4];	/* bitmap of functional subunits in each mirror */
315 	u_int8_t	res2[6];
316 } __packed;
317 
318 struct twe_array_descriptor {
319 	u_int8_t	num_subunits;	/* number of subunits, or number of mirror units in RAID10 */
320 	u_int8_t	configuration;
321 #define TWE_AD_CONFIG_RAID0	0x00
322 #define TWE_AD_CONFIG_RAID1	0x01
323 #define TWE_AD_CONFIG_TwinStor	0x02
324 #define TWE_AD_CONFIG_RAID5	0x05
325 #define TWE_AD_CONFIG_RAID10	0x06
326 	u_int8_t		stripe_size;
327 #define TWE_AD_STRIPE_4k	0x03
328 #define TWE_AD_STRIPE_8k	0x04
329 #define TWE_AD_STRIPE_16k	0x05
330 #define TWE_AD_STRIPE_32k	0x06
331 #define TWE_AD_STRIPE_64k	0x07
332 #define TWE_AD_STRIPE_128k	0x08
333 #define TWE_AD_STRIPE_256k	0x09
334 #define TWE_AD_STRIPE_512k	0x0a
335 #define TWE_AD_STRIPE_1024k	0x0b
336 	u_int8_t		log_drv_status;	/* bitmap of functional subunits, or mirror units in RAID10 */
337 	u_int32_t		start_lba;
338 	u_int32_t		block_count;	/* actual drive size if configuration == 0x0f, otherwise less DCB size */
339 	struct twe_unit_descriptor	subunit[1];
340 } __packed;
341 
342 #endif	/* !_PCI_TWEREG_H_ */
343