xref: /dragonfly/sys/dev/raid/ips/ips.h (revision 28c7b939)
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 1.5 2003/11/27 08:37:36 mbr Exp $
29  * $DragonFly: src/sys/dev/raid/ips/ips.h,v 1.1 2004/01/15 15:41:23 drhodus Exp $
30  */
31 
32 
33 #include <sys/param.h>
34 #include <sys/systm.h>
35 #include <sys/kernel.h>
36 #include <sys/bus.h>
37 #include <sys/conf.h>
38 #include <sys/types.h>
39 #include <sys/queue.h>
40 #include <sys/buf.h>
41 #include <sys/malloc.h>
42 #include <sys/time.h>
43 
44 #include <machine/bus_memio.h>
45 #include <machine/bus.h>
46 #include <sys/rman.h>
47 #include <machine/resource.h>
48 
49 #include <bus/pci/pcireg.h>
50 #include <bus/pci/pcivar.h>
51 
52 /*
53  *   IPS CONSTANTS
54  */
55 #define IPS_VENDOR_ID			0x1014
56 #define IPS_MORPHEUS_DEVICE_ID		0x01BD
57 #define IPS_COPPERHEAD_DEVICE_ID	0x002E
58 #define IPS_CSL				0xff
59 #define IPS_POCL			0x30
60 
61 /* amounts of memory to allocate for certain commands */
62 #define IPS_ADAPTER_INFO_LEN		(sizeof(ips_adapter_info_t))
63 #define IPS_DRIVE_INFO_LEN		(sizeof(ips_drive_info_t))
64 #define IPS_COMMAND_LEN			24
65 #define IPS_MAX_SG_LEN			(sizeof(ips_sg_element_t) * IPS_MAX_SG_ELEMENTS)
66 #define IPS_NVRAM_PAGE_SIZE		128
67 /* various flags */
68 #define IPS_NOWAIT_FLAG			1
69 
70 /* states for the card to be in */
71 #define IPS_DEV_OPEN			0x01
72 #define IPS_TIMEOUT			0x02 /* command time out, need reset */
73 #define IPS_OFFLINE			0x04 /* can't reset card/card failure */
74 
75 /* max number of commands set to something low for now */
76 #define IPS_MAX_CMD_NUM			128
77 #define IPS_MAX_NUM_DRIVES		8
78 #define IPS_MAX_SG_ELEMENTS		32
79 #define IPS_MAX_IOBUF_SIZE		(64 * 1024)
80 #define IPS_BLKSIZE			512
81 
82 /* logical drive states */
83 
84 #define IPS_LD_OFFLINE			0x02
85 #define IPS_LD_OKAY			0x03
86 #define IPS_LD_DEGRADED			0x04
87 #define IPS_LD_FREE			0x00
88 #define IPS_LD_SYS			0x06
89 #define IPS_LD_CRS			0x24
90 
91 /* register offsets */
92 #define MORPHEUS_REG_OMR0		0x0018 /* Outbound Msg. Reg. 0 */
93 #define MORPHEUS_REG_OMR1		0x001C /* Outbound Msg. Reg. 1 */
94 #define MORPHEUS_REG_IDR		0x0020 /* Inbound Doorbell Reg. */
95 #define MORPHEUS_REG_IISR		0x0024 /* Inbound IRQ Status Reg. */
96 #define MORPHEUS_REG_IIMR		0x0028 /* Inbound IRQ Mask Reg. */
97 #define MORPHEUS_REG_OISR		0x0030 /* Outbound IRQ Status Reg. */
98 #define MORPHEUS_REG_OIMR		0x0034 /* Outbound IRQ Status Reg. */
99 #define MORPHEUS_REG_IQPR		0x0040 /* Inbound Queue Port Reg. */
100 #define MORPHEUS_REG_OQPR		0x0044 /* Outbound Queue Port Reg. */
101 
102 #define COPPER_REG_SCPR			0x05	/* Subsystem Ctrl. Port Reg. */
103 #define COPPER_REG_ISPR			0x06	/* IRQ Status Port Reg. */
104 #define COPPER_REG_CBSP			0x07	/* ? Reg. */
105 #define COPPER_REG_HISR			0x08	/* Host IRQ Status Reg.    */
106 #define COPPER_REG_CCSAR		0x10	/* Cmd. Channel Sys Addr Reg.*/
107 #define COPPER_REG_CCCR			0x14	/* Cmd. Channel Ctrl. Reg. */
108 #define COPPER_REG_SQHR			0x20    /* Status Queue Head Reg.  */
109 #define COPPER_REG_SQTR			0x24    /* Status Queue Tail Reg.  */
110 #define COPPER_REG_SQER			0x28    /* Status Queue End Reg.   */
111 #define COPPER_REG_SQSR			0x2C    /* Status Queue Start Reg. */
112 
113 /* bit definitions */
114 #define MORPHEUS_BIT_POST1		0x01
115 #define MORPHEUS_BIT_POST2		0x02
116 #define MORPHEUS_BIT_CMD_IRQ		0x08
117 
118 #define COPPER_CMD_START		0x101A
119 #define COPPER_SEM_BIT			0x08
120 #define COPPER_EI_BIT			0x80
121 #define COPPER_EBM_BIT			0x02
122 #define COPPER_RESET_BIT		0x80
123 #define COPPER_GHI_BIT			0x04
124 #define COPPER_SCE_BIT			0x01
125 #define COPPER_OP_BIT			0x01
126 #define COPPER_ILE_BIT			0x10
127 
128 /* status defines */
129 #define IPS_POST1_OK			0x8000
130 #define IPS_POST2_OK			0x000f
131 
132 /* command op codes */
133 #define IPS_READ_CMD			0x02
134 #define IPS_WRITE_CMD			0x03
135 #define IPS_ADAPTER_INFO_CMD		0x05
136 #define IPS_CACHE_FLUSH_CMD		0x0A
137 #define IPS_REBUILD_STATUS_CMD		0x0C
138 #define IPS_ERROR_TABLE_CMD		0x17
139 #define IPS_DRIVE_INFO_CMD		0x19
140 #define IPS_SUBSYS_PARAM_CMD		0x40
141 #define IPS_CONFIG_SYNC_CMD		0x58
142 #define IPS_SG_READ_CMD			0x82
143 #define IPS_SG_WRITE_CMD		0x83
144 #define IPS_RW_NVRAM_CMD		0xBC
145 #define IPS_FFDC_CMD			0xD7
146 
147 /* error information returned by the adapter */
148 #define IPS_MIN_ERROR			0x02
149 #define IPS_ERROR_STATUS		0x13000200 /* ahh, magic numbers */
150 
151 #define IPS_OS_FREEBSD			8
152 #define IPS_VERSION_MAJOR		"0.90"
153 #define IPS_VERSION_MINOR		".10"
154 
155 /* Adapter Types */
156 #define IPS_ADAPTER_COPPERHEAD		0x01
157 #define IPS_ADAPTER_COPPERHEAD2		0x02
158 #define IPS_ADAPTER_COPPERHEADOB1	0x03
159 #define IPS_ADAPTER_COPPERHEADOB2	0x04
160 #define IPS_ADAPTER_CLARINET		0x05
161 #define IPS_ADAPTER_CLARINETLITE	0x06
162 #define IPS_ADAPTER_TROMBONE		0x07
163 #define IPS_ADAPTER_MORPHEUS		0x08
164 #define IPS_ADAPTER_MORPHEUSLITE	0x09
165 #define IPS_ADAPTER_NEO			0x0A
166 #define IPS_ADAPTER_NEOLITE		0x0B
167 #define IPS_ADAPTER_SARASOTA2		0x0C
168 #define IPS_ADAPTER_SARASOTA1		0x0D
169 #define IPS_ADAPTER_MARCO		0x0E
170 #define IPS_ADAPTER_SEBRING		0x0F
171 #define IPS_ADAPTER_MAX_T		IPS_ADAPTER_SEBRING
172 
173 /* values for ffdc_settime (from gmtime) */
174 #define IPS_SECSPERMIN      60
175 #define IPS_MINSPERHOUR     60
176 #define IPS_HOURSPERDAY     24
177 #define IPS_DAYSPERWEEK     7
178 #define IPS_DAYSPERNYEAR    365
179 #define IPS_DAYSPERLYEAR    366
180 #define IPS_SECSPERHOUR     (IPS_SECSPERMIN * IPS_MINSPERHOUR)
181 #define IPS_SECSPERDAY      ((long) IPS_SECSPERHOUR * IPS_HOURSPERDAY)
182 #define IPS_MONSPERYEAR     12
183 #define IPS_EPOCH_YEAR      1970
184 #define IPS_LEAPS_THRU_END_OF(y)    ((y) / 4 - (y) / 100 + (y) / 400)
185 #define ips_isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0))
186 
187 
188 /*
189  * for compatibility
190  */
191 /* struct buf to struct bio changes */
192 #define BIO_ERROR	B_ERROR
193 #define BIO_READ	B_READ
194 #define bio		buf
195 #define bio_error	b_error
196 #define bio_flags	b_flags
197 #define bio_driver1	b_driver1
198 #define bio_pblkno	b_pblkno
199 #define bio_data	b_data
200 #define bio_bcount	b_bcount
201 #define bio_dev		b_dev
202 #define bio_resid	b_resid
203 
204 /* geom */
205 #define bio_disk	bio_dev
206 #define d_drv1		si_drv1
207 #define d_maxsize	si_iosize_max
208 
209 struct mtx {
210 	volatile int	locked;
211 	intrmask_t	spl;
212 };
213 
214 #define IPS_LOCK_INIT(sc)	(sc)->cmd_mtx.locked = 0
215 #define IPS_LOCK(sc) do { 			\
216 	int	s = splbio();			\
217 	if ((sc)->cmd_mtx.locked++ == 0)	\
218 		(sc)->cmd_mtx.spl = s;		\
219 	else					\
220 		splx(s);			\
221 } while (0)
222 #define IPS_UNLOCK(sc) do { 				\
223 	if ((sc)->cmd_mtx.locked) {			\
224 		if (--((sc)->cmd_mtx.locked) == 0)	\
225 			splx((sc)->cmd_mtx.spl);	\
226 	}						\
227 } while (0)
228 #define IPS_LOCK_FREE(sc)
229 
230 #define disk_open_t	d_open_t
231 #define disk_close_t	d_close_t
232 #define disk_strategy_t	d_strategy_t
233 
234 #if defined(PCIR_MAPS) && !defined(PCIR_BARS)
235 # define PCIR_BAR(x)	(PCIR_BARS + (x) * 4)
236 # define PCIR_BARS	PCIR_MAPS
237 #endif
238 
239 
240 /*
241  *  IPS MACROS
242  */
243 
244 #define ips_read_1(sc,offset)		bus_space_read_1(sc->bustag, sc->bushandle, offset)
245 #define ips_read_2(sc,offset) 		bus_space_read_2(sc->bustag, sc->bushandle, offset)
246 #define ips_read_4(sc,offset)		bus_space_read_4(sc->bustag, sc->bushandle, offset)
247 
248 #define ips_write_1(sc,offset,value)	bus_space_write_1(sc->bustag, sc->bushandle, offset, value)
249 #define ips_write_2(sc,offset,value) 	bus_space_write_2(sc->bustag, sc->bushandle, offset, value)
250 #define ips_write_4(sc,offset,value)	bus_space_write_4(sc->bustag, sc->bushandle, offset, value)
251 
252 #define ips_read_request(iobuf)		((iobuf)->b_flags & B_READ)
253 
254 /* this is ugly.  It zeros the end elements in an ips_command_t struct starting with the status element */
255 #define clear_ips_command(command)	bzero(&((command)->status), (unsigned long)(&(command)[1])-(unsigned long)&((command)->status))
256 
257 #define COMMAND_ERROR(status)		(((status)->fields.basic_status & 0x0f) >= IPS_MIN_ERROR)
258 
259 #ifndef IPS_DEBUG
260 #define DEVICE_PRINTF(x...)
261 #define PRINTF(x...)
262 #else
263 #define DEVICE_PRINTF(level,x...)	if(IPS_DEBUG >= level)device_printf(x)
264 #define PRINTF(level,x...)		if(IPS_DEBUG >= level)printf(x)
265 #endif
266 
267 /*
268  *   IPS STRUCTS
269  */
270 struct ips_softc;
271 
272 typedef struct {
273 	u_int8_t	command;
274 	u_int8_t	id;
275 	u_int8_t	drivenum;
276 	u_int8_t	reserve2;
277 	u_int32_t	lba;
278 	u_int32_t	buffaddr;
279 	u_int32_t	reserve3;
280 } __attribute__ ((packed)) ips_generic_cmd;
281 
282 typedef struct {
283 	u_int8_t	command;
284 	u_int8_t	id;
285 	u_int8_t	drivenum;
286 	u_int8_t	segnum;
287 	u_int32_t	lba;
288 	u_int32_t	buffaddr;
289 	u_int16_t	length;
290 	u_int16_t	reserve1;
291 } __attribute__ ((packed)) ips_io_cmd;
292 
293 typedef struct {
294 	u_int8_t	command;
295 	u_int8_t	id;
296 	u_int8_t	pagenum;
297 	u_int8_t	rw;
298 	u_int32_t	reserve1;
299 	u_int32_t	buffaddr;
300 	u_int32_t	reserve3;
301 } __attribute__ ((packed)) ips_rw_nvram_cmd;
302 
303 typedef struct {
304 	u_int8_t	command;
305 	u_int8_t	id;
306 	u_int8_t	drivenum;
307 	u_int8_t	reserve1;
308 	u_int32_t	reserve2;
309 	u_int32_t	buffaddr;
310 	u_int32_t	reserve3;
311 } __attribute__ ((packed)) ips_drive_cmd;
312 
313 typedef struct {
314 	u_int8_t	command;
315 	u_int8_t	id;
316 	u_int8_t	reserve1;
317 	u_int8_t	commandtype;
318 	u_int32_t	reserve2;
319 	u_int32_t	buffaddr;
320 	u_int32_t	reserve3;
321 } __attribute__((packed)) ips_adapter_info_cmd;
322 
323 typedef struct {
324 	u_int8_t	command;
325 	u_int8_t	id;
326 	u_int8_t	reset_count;
327 	u_int8_t	reset_type;
328 	u_int8_t	second;
329 	u_int8_t	minute;
330 	u_int8_t	hour;
331 	u_int8_t	day;
332 	u_int8_t	reserve1[4];
333 	u_int8_t	month;
334 	u_int8_t	yearH;
335 	u_int8_t	yearL;
336 	u_int8_t	reserve2;
337 } __attribute__((packed)) ips_adapter_ffdc_cmd;
338 
339 typedef union{
340 	ips_generic_cmd		generic_cmd;
341 	ips_drive_cmd 		drive_cmd;
342 	ips_adapter_info_cmd 	adapter_info_cmd;
343 } ips_cmd_buff_t;
344 
345 typedef struct {
346    u_int32_t  signature;
347    u_int8_t   reserved;
348    u_int8_t   adapter_slot;
349    u_int16_t  adapter_type;
350    u_int8_t   bios_high[4];
351    u_int8_t   bios_low[4];
352    u_int16_t  reserve2;
353    u_int8_t   reserve3;
354    u_int8_t   operating_system;
355    u_int8_t   driver_high[4];
356    u_int8_t   driver_low[4];
357    u_int8_t   reserve4[100];
358 } __attribute__((packed)) ips_nvram_page5;
359 
360 typedef struct {
361 	u_int32_t	addr;
362 	u_int32_t	len;
363 } ips_sg_element_t;
364 
365 typedef struct {
366 	u_int8_t	drivenum;
367 	u_int8_t	merge_id;
368 	u_int8_t	raid_lvl;
369 	u_int8_t	state;
370 	u_int32_t	sector_count;
371 } __attribute__((packed)) ips_drive_t;
372 
373 typedef struct {
374 	u_int8_t	drivecount;
375 	u_int8_t	reserve1;
376 	u_int16_t	reserve2;
377 	ips_drive_t drives[IPS_MAX_NUM_DRIVES];
378 } __attribute__((packed)) ips_drive_info_t;
379 
380 typedef struct {
381 	u_int8_t	drivecount;
382 	u_int8_t	miscflags;
383 	u_int8_t	SLTflags;
384 	u_int8_t	BSTflags;
385 	u_int8_t	pwr_chg_count;
386 	u_int8_t	wrong_addr_count;
387 	u_int8_t	unident_count;
388 	u_int8_t	nvram_dev_chg_count;
389 	u_int8_t	codeblock_version[8];
390 	u_int8_t	bootblock_version[8];
391 	u_int32_t	drive_sector_count[IPS_MAX_NUM_DRIVES];
392 	u_int8_t	max_concurrent_cmds;
393 	u_int8_t	max_phys_devices;
394 	u_int16_t	flash_prog_count;
395 	u_int8_t	defunct_disks;
396 	u_int8_t	rebuildflags;
397 	u_int8_t	offline_drivecount;
398 	u_int8_t	critical_drivecount;
399 	u_int16_t	config_update_count;
400 	u_int8_t	blockedflags;
401 	u_int8_t	psdn_error;
402 	u_int16_t	addr_dead_disk[4*16];	/* ugly, max # channels * max # scsi devices per channel */
403 } __attribute__((packed)) ips_adapter_info_t;
404 
405 typedef struct {
406 	u_int32_t 	status[IPS_MAX_CMD_NUM];
407 	u_int32_t 	base_phys_addr;
408 	int 		nextstatus;
409 	bus_dma_tag_t	dmatag;
410 	bus_dmamap_t	dmamap;
411 } ips_copper_queue_t;
412 
413 typedef union {
414    struct {
415       u_int8_t  reserved;
416       u_int8_t  command_id;
417       u_int8_t  basic_status;
418       u_int8_t  extended_status;
419    } fields;
420    volatile u_int32_t    value;
421 } ips_cmd_status_t;
422 
423 /* used to keep track of current commands to the card */
424 typedef struct ips_command {
425 	u_int8_t		command_number;
426 	u_int8_t 		id;
427 	u_int8_t		timeout;
428 	struct ips_softc	*sc;
429 	bus_dmamap_t		command_dmamap;
430 	void			*command_buffer;
431 	u_int32_t		command_phys_addr;	/*WARNING! must be changed if 64bit addressing ever used*/
432 	ips_cmd_status_t	status;
433 	SLIST_ENTRY(ips_command)	next;
434 	bus_dma_tag_t		data_dmatag;
435 	bus_dmamap_t		data_dmamap;
436 	void			*data_buffer;
437 	void			*arg;
438 	void			(*callback)(struct ips_command *command);
439 } ips_command_t;
440 
441 typedef struct ips_wait_list {
442 	STAILQ_ENTRY(ips_wait_list) next;
443 	void 			*data;
444 	int			(* callback)(ips_command_t *command);
445 } ips_wait_list_t;
446 
447 typedef struct ips_softc {
448 	struct resource		*iores;
449 	struct resource		*irqres;
450 	struct intr_config_hook ips_ich;
451 	int			configured;
452 	int			state;
453 	int			iotype;
454 	int			rid;
455 	int			irqrid;
456 	void			*irqcookie;
457 	bus_space_tag_t		bustag;
458 	bus_space_handle_t	bushandle;
459 	bus_dma_tag_t		adapter_dmatag;
460 	bus_dma_tag_t		command_dmatag;
461 	bus_dma_tag_t		sg_dmatag;
462 	device_t		dev;
463 	dev_t			device_file;
464 	struct callout_handle	timer;
465 	u_int16_t		adapter_type;
466 	ips_adapter_info_t	adapter_info;
467 	device_t		diskdev[IPS_MAX_NUM_DRIVES];
468 	ips_drive_t		drives[IPS_MAX_NUM_DRIVES];
469 	u_int8_t		drivecount;
470 	u_int16_t		ffdc_resetcount;
471 	struct timeval		ffdc_resettime;
472 	u_int8_t		next_drive;
473 	u_int8_t		max_cmds;
474 	volatile u_int8_t	used_commands;
475 	ips_command_t		commandarray[IPS_MAX_CMD_NUM];
476 	SLIST_HEAD(command_list, ips_command) free_cmd_list;
477 	STAILQ_HEAD(command_wait_list,ips_wait_list)  cmd_wait_list;
478 	int			(*ips_adapter_reinit)(struct ips_softc *sc,
479 						       int force);
480 	void			(*ips_adapter_intr)(void *sc);
481 	void			(*ips_issue_cmd)(ips_command_t *command);
482 	ips_copper_queue_t	*copper_queue;
483 	struct mtx		cmd_mtx;
484 } ips_softc_t;
485 
486 /* function defines from ips_ioctl.c */
487 extern int ips_ioctl_request(ips_softc_t *sc, u_long ioctl_cmd, caddr_t addr,
488 				int32_t flags);
489 /* function defines from ips_disk.c */
490 extern void ipsd_finish(struct bio *iobuf);
491 
492 /* function defines from ips_commands.c */
493 extern int ips_flush_cache(ips_softc_t *sc);
494 extern void ips_start_io_request(ips_softc_t *sc, struct bio *iobuf);
495 extern int ips_get_drive_info(ips_softc_t *sc);
496 extern int ips_get_adapter_info(ips_softc_t *sc);
497 extern int ips_ffdc_reset(ips_softc_t *sc);
498 extern int ips_update_nvram(ips_softc_t *sc);
499 extern int ips_clear_adapter(ips_softc_t *sc);
500 
501 /* function defines from ips.c */
502 extern int ips_get_free_cmd(ips_softc_t *sc, int (*callback)(ips_command_t *),
503 				void *data, unsigned long flags);
504 extern void ips_insert_free_cmd(ips_softc_t *sc, ips_command_t *command);
505 extern int ips_adapter_init(ips_softc_t *sc);
506 extern int ips_morpheus_reinit(ips_softc_t *sc, int force);
507 extern int ips_adapter_free(ips_softc_t *sc);
508 extern void ips_morpheus_intr(void *sc);
509 extern void ips_issue_morpheus_cmd(ips_command_t *command);
510 extern int ips_copperhead_reinit(ips_softc_t *sc, int force);
511 extern void ips_copperhead_intr(void *sc);
512 extern void ips_issue_copperhead_cmd(ips_command_t *command);
513 
514 #define IPS_CDEV_MAJOR 175
515 #define IPSD_CDEV_MAJOR 176
516