xref: /netbsd/sys/dev/ic/icpreg.h (revision 0de5da96)
1 /*	$NetBSD: icpreg.h,v 1.7 2008/09/08 23:36:54 gmcgarry Exp $	*/
2 
3 /*-
4  * Copyright (c) 2002 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) 1999, 2000 Niklas Hallqvist.  All rights reserved.
34  *
35  * Redistribution and use in source and binary forms, with or without
36  * modification, are permitted provided that the following conditions
37  * are met:
38  * 1. Redistributions of source code must retain the above copyright
39  *    notice, this list of conditions and the following disclaimer.
40  * 2. Redistributions in binary form must reproduce the above copyright
41  *    notice, this list of conditions and the following disclaimer in the
42  *    documentation and/or other materials provided with the distribution.
43  * 3. All advertising materials mentioning features or use of this software
44  *    must display the following acknowledgement:
45  *	This product includes software developed by Niklas Hallqvist.
46  * 4. The name of the author may not be used to endorse or promote products
47  *    derived from this software without specific prior written permission.
48  *
49  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
50  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
51  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
52  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
53  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
54  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
55  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
56  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
57  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
58  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
59  *
60  * from OpenBSD: gdtreg.h,v 1.1 2000/02/07 00:33:03 niklas Exp
61  */
62 
63 #ifndef _IC_ICPREG_H_
64 #define _IC_ICPREG_H_
65 
66 #define ICP_MAXBUS		6	/* XXX Why not 5? */
67 #define ICP_MAX_LDRIVES		255	/* max logical drive count */
68 #define ICP_MAX_HDRIVES		100	/* max host drive count */
69 #define ICP_MAXID_FC		127	/* Fibre-channel maximum ID */
70 #define ICP_MAXOFFSETS		128
71 #define ICP_MAXSG		17	/* Max. s/g elements; actually 128 */
72 #define ICP_PROTOCOL_VERSION	1
73 #define ICP_LINUX_OS		8	/* Used for cache optimization */
74 #define ICP_SCATTER_GATHER	1	/* s/g feature */
75 #define ICP_SECS32		0x1f	/* round capacity */
76 #define ICP_LOCALBOARD		0	/* Board node always 0 */
77 #define ICP_MAX_CMDS		124
78 #define ICP_SECTOR_SIZE		0x200	/* Always 512 bytes for cache devs */
79 #define	ICP_MAX_EVENTS		0x100	/* event buffer */
80 
81 /* DPMEM constants */
82 #define ICP_MPR_MAGIC		0xc0ffee11
83 #define ICP_IC_HEADER_BYTES	48
84 #define ICP_IC_QUEUE_BYTES	4
85 
86 /* Cache/raw service commands */
87 #define ICP_INIT	0		/* service initialization */
88 #define ICP_READ	1		/* read command */
89 #define ICP_WRITE	2		/* write command */
90 #define ICP_INFO	3		/* information about devices */
91 #define ICP_FLUSH	4		/* flush dirty cache buffers */
92 #define ICP_IOCTL	5		/* ioctl command */
93 #define ICP_DEVTYPE	9		/* additional information */
94 #define ICP_MOUNT	10		/* mount cache device */
95 #define ICP_UNMOUNT	11		/* unmount cache device */
96 #define ICP_SET_FEAT	12		/* set features (scatter/gather) */
97 #define ICP_GET_FEAT	13		/* get features */
98 #define ICP_WRITE_THR	16		/* write through */
99 #define ICP_READ_THR	17		/* read through */
100 #define ICP_EXT_INFO	18		/* extended info */
101 #define ICP_RESET	19		/* controller reset */
102 #define ICP_FREEZE_IO	25		/* freeze all IOs */
103 #define ICP_UNFREEZE_IO	26		/* unfreeze all IOs */
104 
105 /* Additional raw service commands */
106 #define ICP_RESERVE	14		/* reserve device to raw service */
107 #define ICP_RELEASE	15		/* release device */
108 #define ICP_RESERVE_ALL 16		/* reserve all devices */
109 #define ICP_RELEASE_ALL 17		/* release all devices */
110 #define ICP_RESET_BUS	18		/* reset bus */
111 #define ICP_SCAN_START	19		/* start device scan */
112 #define ICP_SCAN_END	20		/* stop device scan */
113 
114 /* IOCTL command defines */
115 #define ICP_SCSI_DR_INFO	0x00	/* SCSI drive info */
116 #define ICP_SCSI_CHAN_CNT	0x05	/* SCSI channel count */
117 #define ICP_SCSI_DR_LIST	0x06	/* SCSI drive list */
118 #define ICP_SCSI_DEF_CNT	0x15	/* grown/primary defects */
119 #define ICP_DSK_STATISTICS	0x4b	/* SCSI disk statistics */
120 #define ICP_IOCHAN_DESC		0x5d	/* description of IO channel */
121 #define ICP_IOCHAN_RAW_DESC	0x5e	/* description of raw IO channel */
122 
123 #define ICP_L_CTRL_PATTERN	0x20000000	/* SCSI IOCTL mask */
124 #define ICP_ARRAY_INFO		0x12		/* array drive info */
125 #define ICP_ARRAY_DRV_LIST	0x0f		/* array drive list */
126 #define ICP_LA_CTRL_PATTERN	0x10000000	/* array IOCTL mask */
127 #define ICP_CACHE_DRV_CNT	0x01		/* cache drive count */
128 #define ICP_CACHE_DRV_LIST	0x02		/* cache drive list */
129 #define ICP_CACHE_INFO		0x04		/* cache info */
130 #define ICP_CACHE_CONFIG	0x05		/* cache configuration */
131 #define ICP_CACHE_DRV_INFO	0x07		/* cache drive info */
132 #define ICP_BOARD_FEATURES	0x15		/* controller features */
133 #define ICP_BOARD_INFO		0x28		/* controller info */
134 #define ICP_HOST_GET		0x10001		/* get host drive list */
135 #define ICP_IO_CHANNEL		0x20000		/* default IO channel */
136 #define ICP_INVALID_CHANNEL	0xffff		/* invalid channel */
137 
138 /* Service errors */
139 #define	ICP_S_MSG_REQUEST	0	/* screen service: async evt message */
140 #define ICP_S_OK		1	/* no error */
141 #define ICP_S_BSY		7	/* controller busy */
142 #define ICP_S_RAW_SCSI		12	/* raw service: target error */
143 #define ICP_S_RAW_ILL		0xff	/* raw service: illegal */
144 #define ICP_S_NO_STATUS		0x1000	/* got no status (driver-generated) */
145 
146 /* Controller services */
147 #define ICP_SCSIRAWSERVICE	3
148 #define ICP_CACHESERVICE	9
149 #define ICP_SCREENSERVICE	11
150 
151 /* Data direction raw service. */
152 #define	ICP_DATA_IN		0x01000000
153 #define	ICP_DATA_OUT		0x00000000
154 
155 /* Command queue entries */
156 #define ICP_OFFSET	0x00	/* u_int16_t, command offset in the DP RAM */
157 #define ICP_SERV_ID	0x02	/* u_int16_t, service */
158 #define ICP_COMM_Q_SZ	0x04
159 
160 /* Interface area */
161 #define ICP_S_CMD_INDX	0x00	/* u_int8_t, special command */
162 #define	ICP_S_STATUS	0x01	/* volatile u_int8_t, status special command */
163 #define ICP_S_INFO	0x04	/* u_int32_t [4], add. info special command */
164 #define ICP_SEMA0	0x14	/* volatile u_int8_t, command semaphore */
165 #define ICP_CMD_INDEX	0x18	/* u_int8_t, command number */
166 #define ICP_STATUS	0x1c	/* volatile u_int16_t, command status */
167 #define ICP_SERVICE	0x1e	/* u_int16_t, service (for asynch. events) */
168 #define ICP_DPR_INFO	0x20	/* u_int32_t [2], additional info */
169 #define ICP_COMM_QUEUE	0x28	/* command queue */
170 #define ICP_DPR_CMD	(0x30 + ICP_MAXOFFSETS * ICP_COMM_Q_SZ)
171 				/* u_int8_t [], commands */
172 #define ICP_DPR_IF_SZ	ICP_DPR_CMD
173 
174 /* Get cache info */
175 #define ICP_CINFO_CPAR		0x00
176 #define ICP_CINFO_CSTAT		0x0c
177 
178 /* Other defines */
179 #define ICP_ASYNCINDEX	0	/* command index asynchronous event */
180 #define ICP_SPEZINDEX	1	/* command index unknown service */
181 
182 /* I/O channel header */
183 struct icp_ioc_version {
184 	u_int32_t	iv_version;	/* version (~0: newest) */
185 	u_int8_t	iv_listents;	/* list entry count */
186 	u_int8_t	iv_firstchan;	/* first channel number */
187 	u_int8_t	iv_lastchan;	/* last channel number */
188 	u_int8_t	iv_chancount;	/* channel count */
189 	u_int32_t	iv_listoffset;	/* offset of list[0] */
190 } __packed;
191 
192 #define	ICP_IOC_NEWEST	0xffffffff
193 
194 /* Get I/O channel description */
195 struct icp_ioc {
196 	u_int32_t	io_addr;	/* channel address */
197 	u_int8_t	io_type;	/* type (SCSI/FCAL) */
198 	u_int8_t	io_localno;	/* local number */
199 	u_int16_t	io_features;	/* channel features */
200 } __packed;
201 
202 /* Get raw I/O channel description */
203 struct icp_rawioc {
204 	u_int8_t	ri_procid;	/* processor ID */
205 	u_int8_t	ri_defect;	/* defect? */
206 	u_int16_t	ri_padding;
207 } __packed;
208 
209 /* Get SCSI channel count */
210 struct icp_getch {
211 	u_int32_t	gc_channo;	/* channel number */
212 	u_int32_t	gc_drivecnt;	/* drive count */
213 	u_int8_t	gc_scsiid;	/* SCSI initiator ID */
214 	u_int8_t	gc_scsistate;	/* SCSI processor state */
215 } __packed;
216 
217 /* Cache info/config IOCTL structures */
218 struct icp_cpar {
219 	u_int32_t	cp_version;	/* firmware version */
220 	u_int16_t	cp_state;	/* cache state (on/off) */
221 	u_int16_t	cp_strategy;	/* cache strategy */
222 	u_int16_t	cp_write_back;	/* write back (on/off) */
223 	u_int16_t	cp_block_size;	/* cache block size */
224 } __packed;
225 
226 struct icp_cstat {
227 	u_int32_t	cs_size;	/* cache size */
228 	u_int32_t	cs_readcnt;	/* read counter */
229 	u_int32_t	cs_writecnt;	/* write counter */
230 	u_int32_t	cs_trhits;	/* track hits */
231 	u_int32_t	cs_sechits;	/* sector hits */
232 	u_int32_t	cs_secmiss;	/* sector misses */
233 } __packed;
234 
235 /* Board information. */
236 struct icp_binfo {
237 	u_int32_t	bi_ser_no;		/* serial number */
238 	u_int8_t	bi_oem_id[2];		/* OEM ID */
239 	u_int16_t	bi_ep_flags;		/* eprom flags */
240 	u_int32_t	bi_proc_id;		/* processor ID */
241 	u_int32_t	bi_memsize;		/* memory size (bytes) */
242 	u_int8_t	bi_mem_banks;		/* memory banks */
243 	u_int8_t	bi_chan_type;		/* channel type */
244 	u_int8_t	bi_chan_count;		/* channel count */
245 	u_int8_t	bi_rdongle_pres;	/* dongle present */
246 	u_int32_t	bi_epr_fw_ver;		/* (eprom) firmware ver */
247 	u_int32_t	bi_upd_fw_ver;		/* (update) firmware ver */
248 	u_int32_t	bi_upd_revision;	/* update revision */
249 	char		bi_type_string[16];	/* char controller name */
250 	char		bi_raid_string[16];	/* char RAID firmware name */
251 	u_int8_t	bi_update_pres;		/* update present? */
252 	u_int8_t	bi_xor_pres;		/* XOR engine present */
253 	u_int8_t	bi_prom_type;		/* ROM type (eprom/flash) */
254 	u_int8_t	bi_prom_count;		/* number of ROM devices */
255 	u_int32_t	bi_dup_pres;		/* duplexing module pres? */
256 	u_int32_t	bi_chan_pres;		/* # of exp. channels */
257 	u_int32_t	bi_mem_pres;		/* memory expansion inst? */
258 	u_int8_t	bi_ft_bus_system;	/* fault bus supported? */
259 	u_int8_t	bi_subtype_valid;	/* board_subtype valid */
260 	u_int8_t	bi_board_subtype;	/* subtype/hardware level */
261 	u_int8_t	bi_rampar_pres;		/* RAM parity check hw? */
262 } __packed;
263 
264 /* Board features. */
265 struct icp_bfeat {
266 	u_int8_t	bf_chaining;	/* chaining supported */
267 	u_int8_t	bf_striping;	/* striping (RAID-0) supported */
268 	u_int8_t	bf_mirroring;	/* mirroring (RAID-1) supported */
269 	u_int8_t	bf_raid;	/* RAID-4/5/10 supported */
270 } __packed;
271 
272 /* Cache drive information. */
273 struct icp_cdevinfo {
274 	char		cd_name[8];
275 	u_int32_t	cd_devtype;
276 	u_int32_t	cd_ldcnt;
277 	u_int32_t	cd_last_error;
278 	u_int8_t	cd_initialized;
279 	u_int8_t	cd_removable;
280 	u_int8_t	cd_write_protected;
281 	u_int8_t	cd_flags;
282 	u_int32_t	ld_blkcnt;
283 	u_int32_t	ld_blksize;
284 	u_int32_t	ld_dcnt;
285 	u_int32_t	ld_slave;
286 	u_int32_t	ld_dtype;
287 	u_int32_t	ld_last_error;
288 	char		ld_name[8];
289 	u_int8_t	ld_error;
290 } __packed;
291 
292 struct icp_sg {
293 	u_int32_t	sg_addr;
294 	u_int32_t	sg_len;
295 } __packed;
296 
297 struct icp_cachecmd {
298 	u_int16_t	cc_deviceno;
299 	u_int32_t	cc_blockno;
300 	u_int32_t	cc_blockcnt;
301 	u_int32_t	cc_addr;		/* ~0 == s/g */
302 	u_int32_t	cc_nsgent;
303 	struct icp_sg	cc_sg[ICP_MAXSG];
304 } __packed;
305 
306 struct icp_ioctlcmd {
307 	u_int16_t	ic_bufsize;
308 	u_int32_t	ic_subfunc;
309 	u_int32_t	ic_channel;
310 	u_int32_t	ic_addr;
311 } __packed;
312 
313 struct icp_screencmd {
314 	u_int32_t	sc_msghandle;
315 	u_int32_t	sc_msgaddr;
316 } __packed;
317 
318 struct icp_rawcmd {
319 	u_int16_t	rc_padding0;		/* unused */
320 	u_int32_t	rc_direction;		/* data direction */
321 	u_int32_t	rc_mdisc_time;		/* disc. time (0: none) */
322 	u_int32_t	rc_mcon_time;		/* conn. time (0: none) */
323 	u_int32_t	rc_sdata;		/* dest address */
324 	u_int32_t	rc_sdlen;		/* data length */
325 	u_int32_t	rc_clen;		/* CDB length */
326 	u_int8_t	rc_cdb[12];		/* SCSI CDB */
327 	u_int8_t	rc_target;		/* target ID */
328 	u_int8_t	rc_lun;			/* LUN */
329 	u_int8_t	rc_bus;			/* channel */
330 	u_int8_t	rc_priority;		/* priority; 0 only */
331 	u_int32_t	rc_sense_len;		/* sense length */
332 	u_int32_t	rc_sense_addr;		/* sense address */
333 	u_int32_t	rc_padding1;		/* unused */
334 	u_int32_t	rc_nsgent;		/* s/g element count */
335 	struct icp_sg	rc_sg[ICP_MAXSG];	/* s/g list */
336 } __packed;
337 
338 struct icp_cmdhdr {
339 	u_int32_t	cmd_boardnode;		/* always 0 */
340 	u_int32_t	cmd_cmdindex;		/* command identifier */
341 	u_int16_t	cmd_opcode;
342 } __packed;
343 
344 struct icp_cmd {
345 	u_int32_t	cmd_boardnode;		/* always 0 */
346 	u_int32_t	cmd_cmdindex;		/* command identifier */
347 	u_int16_t	cmd_opcode;
348 
349 	union {
350 		struct icp_rawcmd	rc;
351 		struct icp_screencmd	sc;
352 		struct icp_ioctlcmd	ic;
353 		struct icp_cachecmd	cc;
354 	} cmd_packet;
355 } __packed;
356 
357 #endif	/* !_IC_ICPREG_H_ */
358