xref: /dragonfly/sys/dev/raid/ips/ips.h (revision 2c603719)
1 /*-
2  * Copyright (c) 2002 Adaptec Inc.
3  * All rights reserved.
4  *
5  * Written by: David Jeffery
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 AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $FreeBSD: src/sys/dev/ips/ips.h,v 1.10 2004/05/30 20:08:34 phk Exp $
29  * $DragonFly: src/sys/dev/raid/ips/ips.h,v 1.4 2004/09/15 15:22:02 joerg Exp $
30  */
31 
32 
33 #include <sys/param.h>
34 #include <sys/systm.h>
35 #include <sys/kernel.h>
36 #include <sys/module.h>
37 #include <sys/bus.h>
38 #include <sys/conf.h>
39 #include <sys/types.h>
40 #include <sys/queue.h>
41 #include <sys/buf.h>
42 #include <sys/malloc.h>
43 #include <sys/time.h>
44 
45 #include <machine/bus_memio.h>
46 #include <machine/bus.h>
47 #include <sys/rman.h>
48 #include <machine/resource.h>
49 
50 #include <bus/pci/pcireg.h>
51 #include <bus/pci/pcivar.h>
52 
53 MALLOC_DECLARE(M_IPSBUF);
54 
55 /*
56  *   IPS CONSTANTS
57  */
58 #define IPS_VENDOR_ID			0x1014
59 #define IPS_VENDOR_ID_ADAPTEC		0x9005
60 #define IPS_MORPHEUS_DEVICE_ID		0x01BD
61 #define IPS_COPPERHEAD_DEVICE_ID	0x002E
62 #define IPS_MARCO_DEVICE_ID		0x0250
63 #define IPS_CSL				0xff
64 #define IPS_POCL			0x30
65 
66 /* amounts of memory to allocate for certain commands */
67 #define IPS_ADAPTER_INFO_LEN		(sizeof(ips_adapter_info_t))
68 #define IPS_DRIVE_INFO_LEN		(sizeof(ips_drive_info_t))
69 #define IPS_COMMAND_LEN			24
70 #define IPS_MAX_SG_LEN			(sizeof(ips_sg_element_t) * IPS_MAX_SG_ELEMENTS)
71 #define IPS_NVRAM_PAGE_SIZE		128
72 /* various flags */
73 #define IPS_NOWAIT_FLAG			1
74 
75 /* states for the card to be in */
76 #define IPS_DEV_OPEN			0x01
77 #define IPS_TIMEOUT			0x02 /* command time out, need reset */
78 #define IPS_OFFLINE			0x04 /* can't reset card/card failure */
79 
80 /* max number of commands set to something low for now */
81 #define IPS_MAX_CMD_NUM			128
82 #define IPS_MAX_NUM_DRIVES		8
83 #define IPS_MAX_SG_ELEMENTS		32
84 #define IPS_MAX_IOBUF_SIZE		(64 * 1024)
85 #define IPS_BLKSIZE			512
86 
87 /* logical drive states */
88 
89 #define IPS_LD_OFFLINE			0x02
90 #define IPS_LD_OKAY			0x03
91 #define IPS_LD_DEGRADED			0x04
92 #define IPS_LD_FREE			0x00
93 #define IPS_LD_SYS			0x06
94 #define IPS_LD_CRS			0x24
95 
96 /* register offsets */
97 #define MORPHEUS_REG_OMR0		0x0018 /* Outbound Msg. Reg. 0 */
98 #define MORPHEUS_REG_OMR1		0x001C /* Outbound Msg. Reg. 1 */
99 #define MORPHEUS_REG_IDR		0x0020 /* Inbound Doorbell Reg. */
100 #define MORPHEUS_REG_IISR		0x0024 /* Inbound IRQ Status Reg. */
101 #define MORPHEUS_REG_IIMR		0x0028 /* Inbound IRQ Mask Reg. */
102 #define MORPHEUS_REG_OISR		0x0030 /* Outbound IRQ Status Reg. */
103 #define MORPHEUS_REG_OIMR		0x0034 /* Outbound IRQ Status Reg. */
104 #define MORPHEUS_REG_IQPR		0x0040 /* Inbound Queue Port Reg. */
105 #define MORPHEUS_REG_OQPR		0x0044 /* Outbound Queue Port Reg. */
106 
107 #define COPPER_REG_SCPR			0x05	/* Subsystem Ctrl. Port Reg. */
108 #define COPPER_REG_ISPR			0x06	/* IRQ Status Port Reg. */
109 #define COPPER_REG_CBSP			0x07	/* ? Reg. */
110 #define COPPER_REG_HISR			0x08	/* Host IRQ Status Reg.    */
111 #define COPPER_REG_CCSAR		0x10	/* Cmd. Channel Sys Addr Reg.*/
112 #define COPPER_REG_CCCR			0x14	/* Cmd. Channel Ctrl. Reg. */
113 #define COPPER_REG_SQHR			0x20    /* Status Queue Head Reg.  */
114 #define COPPER_REG_SQTR			0x24    /* Status Queue Tail Reg.  */
115 #define COPPER_REG_SQER			0x28    /* Status Queue End Reg.   */
116 #define COPPER_REG_SQSR			0x2C    /* Status Queue Start Reg. */
117 
118 /* bit definitions */
119 #define MORPHEUS_BIT_POST1		0x01
120 #define MORPHEUS_BIT_POST2		0x02
121 #define MORPHEUS_BIT_CMD_IRQ		0x08
122 
123 #define COPPER_CMD_START		0x101A
124 #define COPPER_SEM_BIT			0x08
125 #define COPPER_EI_BIT			0x80
126 #define COPPER_EBM_BIT			0x02
127 #define COPPER_RESET_BIT		0x80
128 #define COPPER_GHI_BIT			0x04
129 #define COPPER_SCE_BIT			0x01
130 #define COPPER_OP_BIT			0x01
131 #define COPPER_ILE_BIT			0x10
132 
133 /* status defines */
134 #define IPS_POST1_OK			0x8000
135 #define IPS_POST2_OK			0x000f
136 
137 /* command op codes */
138 #define IPS_READ_CMD			0x02
139 #define IPS_WRITE_CMD			0x03
140 #define IPS_ADAPTER_INFO_CMD		0x05
141 #define IPS_CACHE_FLUSH_CMD		0x0A
142 #define IPS_REBUILD_STATUS_CMD		0x0C
143 #define IPS_ERROR_TABLE_CMD		0x17
144 #define IPS_DRIVE_INFO_CMD		0x19
145 #define IPS_SUBSYS_PARAM_CMD		0x40
146 #define IPS_CONFIG_SYNC_CMD		0x58
147 #define IPS_SG_READ_CMD			0x82
148 #define IPS_SG_WRITE_CMD		0x83
149 #define IPS_RW_NVRAM_CMD		0xBC
150 #define IPS_FFDC_CMD			0xD7
151 
152 /* error information returned by the adapter */
153 #define IPS_MIN_ERROR			0x02
154 #define IPS_ERROR_STATUS		0x13000200 /* ahh, magic numbers */
155 
156 #define IPS_OS_FREEBSD			8
157 #define IPS_VERSION_MAJOR		"0.90"
158 #define IPS_VERSION_MINOR		".10"
159 
160 /* Adapter Types */
161 #define IPS_ADAPTER_COPPERHEAD		0x01
162 #define IPS_ADAPTER_COPPERHEAD2		0x02
163 #define IPS_ADAPTER_COPPERHEADOB1	0x03
164 #define IPS_ADAPTER_COPPERHEADOB2	0x04
165 #define IPS_ADAPTER_CLARINET		0x05
166 #define IPS_ADAPTER_CLARINETLITE	0x06
167 #define IPS_ADAPTER_TROMBONE		0x07
168 #define IPS_ADAPTER_MORPHEUS		0x08
169 #define IPS_ADAPTER_MORPHEUSLITE	0x09
170 #define IPS_ADAPTER_NEO			0x0A
171 #define IPS_ADAPTER_NEOLITE		0x0B
172 #define IPS_ADAPTER_SARASOTA2		0x0C
173 #define IPS_ADAPTER_SARASOTA1		0x0D
174 #define IPS_ADAPTER_MARCO		0x0E
175 #define IPS_ADAPTER_SEBRING		0x0F
176 #define IPS_ADAPTER_MAX_T		IPS_ADAPTER_SEBRING
177 
178 /* values for ffdc_settime (from gmtime) */
179 #define IPS_SECSPERMIN      60
180 #define IPS_MINSPERHOUR     60
181 #define IPS_HOURSPERDAY     24
182 #define IPS_DAYSPERWEEK     7
183 #define IPS_DAYSPERNYEAR    365
184 #define IPS_DAYSPERLYEAR    366
185 #define IPS_SECSPERHOUR     (IPS_SECSPERMIN * IPS_MINSPERHOUR)
186 #define IPS_SECSPERDAY      ((long) IPS_SECSPERHOUR * IPS_HOURSPERDAY)
187 #define IPS_MONSPERYEAR     12
188 #define IPS_EPOCH_YEAR      1970
189 #define IPS_LEAPS_THRU_END_OF(y)    ((y) / 4 - (y) / 100 + (y) / 400)
190 #define ips_isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0))
191 
192 
193 /*
194  * for compatibility
195  */
196 /* struct buf to struct bio changes */
197 #define BIO_ERROR	B_ERROR
198 #define BIO_READ	B_READ
199 #define bio		buf
200 #define bio_error	b_error
201 #define bio_flags	b_flags
202 #define bio_driver1	b_driver1
203 #define bio_pblkno	b_pblkno
204 #define bio_data	b_data
205 #define bio_bcount	b_bcount
206 #define bio_dev		b_dev
207 #define bio_resid	b_resid
208 
209 /* geom */
210 #define bio_disk	bio_dev
211 #define d_drv1		si_drv1
212 #define d_maxsize	si_iosize_max
213 
214 struct mtx {
215 	volatile int	locked;
216 	intrmask_t	spl;
217 };
218 
219 #define IPS_LOCK_INIT(sc)	(sc)->cmd_mtx.locked = 0
220 #define IPS_LOCK(sc) do { 			\
221 	int	s = splbio();			\
222 	if ((sc)->cmd_mtx.locked++ == 0)	\
223 		(sc)->cmd_mtx.spl = s;		\
224 	else					\
225 		splx(s);			\
226 } while (0)
227 #define IPS_UNLOCK(sc) do { 				\
228 	if ((sc)->cmd_mtx.locked) {			\
229 		if (--((sc)->cmd_mtx.locked) == 0)	\
230 			splx((sc)->cmd_mtx.spl);	\
231 	}						\
232 } while (0)
233 #define IPS_LOCK_FREE(sc)
234 
235 #define disk_open_t	d_open_t
236 #define disk_close_t	d_close_t
237 #define disk_strategy_t	d_strategy_t
238 
239 #if defined(PCIR_MAPS) && !defined(PCIR_BARS)
240 # define PCIR_BAR(x)	(PCIR_BARS + (x) * 4)
241 # define PCIR_BARS	PCIR_MAPS
242 #endif
243 
244 
245 /*
246  *  IPS MACROS
247  */
248 
249 #define ips_read_1(sc,offset)		bus_space_read_1(sc->bustag, sc->bushandle, offset)
250 #define ips_read_2(sc,offset) 		bus_space_read_2(sc->bustag, sc->bushandle, offset)
251 #define ips_read_4(sc,offset)		bus_space_read_4(sc->bustag, sc->bushandle, offset)
252 
253 #define ips_write_1(sc,offset,value)	bus_space_write_1(sc->bustag, sc->bushandle, offset, value)
254 #define ips_write_2(sc,offset,value) 	bus_space_write_2(sc->bustag, sc->bushandle, offset, value)
255 #define ips_write_4(sc,offset,value)	bus_space_write_4(sc->bustag, sc->bushandle, offset, value)
256 
257 #define ips_read_request(iobuf)		((iobuf)->b_flags & B_READ)
258 
259 /* this is ugly.  It zeros the end elements in an ips_command_t struct starting with the status element */
260 #define clear_ips_command(command)	bzero(&((command)->status), (unsigned long)(&(command)[1])-(unsigned long)&((command)->status))
261 
262 #define COMMAND_ERROR(status)		(((status)->fields.basic_status & 0x0f) >= IPS_MIN_ERROR)
263 
264 #ifndef IPS_DEBUG
265 #define DEVICE_PRINTF(x...)
266 #define PRINTF(x...)
267 #else
268 #define DEVICE_PRINTF(level,x...)	if(IPS_DEBUG >= level)device_printf(x)
269 #define PRINTF(level,x...)		if(IPS_DEBUG >= level)printf(x)
270 #endif
271 
272 /*
273  *   IPS STRUCTS
274  */
275 struct ips_softc;
276 
277 typedef struct {
278 	u_int8_t	command;
279 	u_int8_t	id;
280 	u_int8_t	drivenum;
281 	u_int8_t	reserve2;
282 	u_int32_t	lba;
283 	u_int32_t	buffaddr;
284 	u_int32_t	reserve3;
285 } __attribute__ ((packed)) ips_generic_cmd;
286 
287 typedef struct {
288 	u_int8_t	command;
289 	u_int8_t	id;
290 	u_int8_t	drivenum;
291 	u_int8_t	segnum;
292 	u_int32_t	lba;
293 	u_int32_t	buffaddr;
294 	u_int16_t	length;
295 	u_int16_t	reserve1;
296 } __attribute__ ((packed)) ips_io_cmd;
297 
298 typedef struct {
299 	u_int8_t	command;
300 	u_int8_t	id;
301 	u_int8_t	pagenum;
302 	u_int8_t	rw;
303 	u_int32_t	reserve1;
304 	u_int32_t	buffaddr;
305 	u_int32_t	reserve3;
306 } __attribute__ ((packed)) ips_rw_nvram_cmd;
307 
308 typedef struct {
309 	u_int8_t	command;
310 	u_int8_t	id;
311 	u_int8_t	drivenum;
312 	u_int8_t	reserve1;
313 	u_int32_t	reserve2;
314 	u_int32_t	buffaddr;
315 	u_int32_t	reserve3;
316 } __attribute__ ((packed)) ips_drive_cmd;
317 
318 typedef struct {
319 	u_int8_t	command;
320 	u_int8_t	id;
321 	u_int8_t	reserve1;
322 	u_int8_t	commandtype;
323 	u_int32_t	reserve2;
324 	u_int32_t	buffaddr;
325 	u_int32_t	reserve3;
326 } __attribute__((packed)) ips_adapter_info_cmd;
327 
328 typedef struct {
329 	u_int8_t	command;
330 	u_int8_t	id;
331 	u_int8_t	reset_count;
332 	u_int8_t	reset_type;
333 	u_int8_t	second;
334 	u_int8_t	minute;
335 	u_int8_t	hour;
336 	u_int8_t	day;
337 	u_int8_t	reserve1[4];
338 	u_int8_t	month;
339 	u_int8_t	yearH;
340 	u_int8_t	yearL;
341 	u_int8_t	reserve2;
342 } __attribute__((packed)) ips_adapter_ffdc_cmd;
343 
344 typedef union{
345 	ips_generic_cmd		generic_cmd;
346 	ips_drive_cmd 		drive_cmd;
347 	ips_adapter_info_cmd 	adapter_info_cmd;
348 } ips_cmd_buff_t;
349 
350 typedef struct {
351    u_int32_t  signature;
352    u_int8_t   reserved;
353    u_int8_t   adapter_slot;
354    u_int16_t  adapter_type;
355    u_int8_t   bios_high[4];
356    u_int8_t   bios_low[4];
357    u_int16_t  reserve2;
358    u_int8_t   reserve3;
359    u_int8_t   operating_system;
360    u_int8_t   driver_high[4];
361    u_int8_t   driver_low[4];
362    u_int8_t   reserve4[100];
363 } __attribute__((packed)) ips_nvram_page5;
364 
365 typedef struct {
366 	u_int32_t	addr;
367 	u_int32_t	len;
368 } ips_sg_element_t;
369 
370 typedef struct {
371 	u_int8_t	drivenum;
372 	u_int8_t	merge_id;
373 	u_int8_t	raid_lvl;
374 	u_int8_t	state;
375 	u_int32_t	sector_count;
376 } __attribute__((packed)) ips_drive_t;
377 
378 typedef struct {
379 	u_int8_t	drivecount;
380 	u_int8_t	reserve1;
381 	u_int16_t	reserve2;
382 	ips_drive_t drives[IPS_MAX_NUM_DRIVES];
383 } __attribute__((packed)) ips_drive_info_t;
384 
385 typedef struct {
386 	u_int8_t	drivecount;
387 	u_int8_t	miscflags;
388 	u_int8_t	SLTflags;
389 	u_int8_t	BSTflags;
390 	u_int8_t	pwr_chg_count;
391 	u_int8_t	wrong_addr_count;
392 	u_int8_t	unident_count;
393 	u_int8_t	nvram_dev_chg_count;
394 	u_int8_t	codeblock_version[8];
395 	u_int8_t	bootblock_version[8];
396 	u_int32_t	drive_sector_count[IPS_MAX_NUM_DRIVES];
397 	u_int8_t	max_concurrent_cmds;
398 	u_int8_t	max_phys_devices;
399 	u_int16_t	flash_prog_count;
400 	u_int8_t	defunct_disks;
401 	u_int8_t	rebuildflags;
402 	u_int8_t	offline_drivecount;
403 	u_int8_t	critical_drivecount;
404 	u_int16_t	config_update_count;
405 	u_int8_t	blockedflags;
406 	u_int8_t	psdn_error;
407 	u_int16_t	addr_dead_disk[4*16];	/* ugly, max # channels * max # scsi devices per channel */
408 } __attribute__((packed)) ips_adapter_info_t;
409 
410 typedef struct {
411 	u_int32_t 	status[IPS_MAX_CMD_NUM];
412 	u_int32_t 	base_phys_addr;
413 	int 		nextstatus;
414 	bus_dma_tag_t	dmatag;
415 	bus_dmamap_t	dmamap;
416 } ips_copper_queue_t;
417 
418 typedef union {
419    struct {
420       u_int8_t  reserved;
421       u_int8_t  command_id;
422       u_int8_t  basic_status;
423       u_int8_t  extended_status;
424    } fields;
425    volatile u_int32_t    value;
426 } ips_cmd_status_t;
427 
428 /* used to keep track of current commands to the card */
429 typedef struct ips_command {
430 	u_int8_t		command_number;
431 	u_int8_t 		id;
432 	u_int8_t		timeout;
433 	struct ips_softc	*sc;
434 	bus_dmamap_t		command_dmamap;
435 	void			*command_buffer;
436 	u_int32_t		command_phys_addr;	/*WARNING! must be changed if 64bit addressing ever used*/
437 	ips_cmd_status_t	status;
438 	SLIST_ENTRY(ips_command)	next;
439 	bus_dma_tag_t		data_dmatag;
440 	bus_dmamap_t		data_dmamap;
441 	void			*data_buffer;
442 	void			*arg;
443 	void			(*callback)(struct ips_command *command);
444 } ips_command_t;
445 
446 typedef struct ips_wait_list {
447 	STAILQ_ENTRY(ips_wait_list) next;
448 	void 			*data;
449 	int			(* callback)(ips_command_t *command);
450 } ips_wait_list_t;
451 
452 typedef struct ips_softc {
453 	struct resource		*iores;
454 	struct resource		*irqres;
455 	struct intr_config_hook ips_ich;
456 	int			configured;
457 	int			state;
458 	int			iotype;
459 	int			rid;
460 	int			irqrid;
461 	void			*irqcookie;
462 	bus_space_tag_t		bustag;
463 	bus_space_handle_t	bushandle;
464 	bus_dma_tag_t		adapter_dmatag;
465 	bus_dma_tag_t		command_dmatag;
466 	bus_dma_tag_t		sg_dmatag;
467 	device_t		dev;
468 	struct callout		timer;
469 	u_int16_t		adapter_type;
470 	ips_adapter_info_t	adapter_info;
471 	device_t		diskdev[IPS_MAX_NUM_DRIVES];
472 	ips_drive_t		drives[IPS_MAX_NUM_DRIVES];
473 	u_int8_t		drivecount;
474 	u_int16_t		ffdc_resetcount;
475 	struct timeval		ffdc_resettime;
476 	u_int8_t		next_drive;
477 	u_int8_t		max_cmds;
478 	volatile u_int8_t	used_commands;
479 	ips_command_t		commandarray[IPS_MAX_CMD_NUM];
480 	SLIST_HEAD(command_list, ips_command) free_cmd_list;
481 	STAILQ_HEAD(command_wait_list,ips_wait_list)  cmd_wait_list;
482 	int			(*ips_adapter_reinit)(struct ips_softc *sc,
483 						       int force);
484 	void			(*ips_adapter_intr)(void *sc);
485 	void			(*ips_issue_cmd)(ips_command_t *command);
486 	ips_copper_queue_t	*copper_queue;
487 	struct mtx		cmd_mtx;
488 } ips_softc_t;
489 
490 /* function defines from ips_ioctl.c */
491 extern int ips_ioctl_request(ips_softc_t *sc, u_long ioctl_cmd, caddr_t addr,
492 				int32_t flags);
493 /* function defines from ips_disk.c */
494 extern void ipsd_finish(struct bio *iobuf);
495 
496 /* function defines from ips_commands.c */
497 extern int ips_flush_cache(ips_softc_t *sc);
498 extern void ips_start_io_request(ips_softc_t *sc, struct bio *iobuf);
499 extern int ips_get_drive_info(ips_softc_t *sc);
500 extern int ips_get_adapter_info(ips_softc_t *sc);
501 extern int ips_ffdc_reset(ips_softc_t *sc);
502 extern int ips_update_nvram(ips_softc_t *sc);
503 extern int ips_clear_adapter(ips_softc_t *sc);
504 
505 /* function defines from ips.c */
506 extern int ips_get_free_cmd(ips_softc_t *sc, int (*callback)(ips_command_t *),
507 				void *data, unsigned long flags);
508 extern void ips_insert_free_cmd(ips_softc_t *sc, ips_command_t *command);
509 extern int ips_adapter_init(ips_softc_t *sc);
510 extern int ips_morpheus_reinit(ips_softc_t *sc, int force);
511 extern int ips_adapter_free(ips_softc_t *sc);
512 extern void ips_morpheus_intr(void *sc);
513 extern void ips_issue_morpheus_cmd(ips_command_t *command);
514 extern int ips_copperhead_reinit(ips_softc_t *sc, int force);
515 extern void ips_copperhead_intr(void *sc);
516 extern void ips_issue_copperhead_cmd(ips_command_t *command);
517 
518 #define IPS_CDEV_MAJOR 175
519 #define IPSD_CDEV_MAJOR 176
520