xref: /freebsd/sys/dev/ips/ips.h (revision 74bf4e164ba5851606a27d4feff27717452583e5)
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  * $FreeBSD$
29  */
30 
31 
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/module.h>
36 #include <sys/bus.h>
37 #include <sys/conf.h>
38 #include <sys/types.h>
39 #include <sys/queue.h>
40 #include <sys/bio.h>
41 #include <sys/malloc.h>
42 #include <sys/mutex.h>
43 #include <sys/sema.h>
44 #include <sys/time.h>
45 
46 #include <machine/bus_memio.h>
47 #include <machine/bus.h>
48 #include <sys/rman.h>
49 #include <machine/resource.h>
50 
51 #include <dev/pci/pcireg.h>
52 #include <dev/pci/pcivar.h>
53 
54 MALLOC_DECLARE(M_IPSBUF);
55 
56 /*
57  *   IPS CONSTANTS
58  */
59 #define IPS_VENDOR_ID                   0x1014
60 #define IPS_VENDOR_ID_ADAPTEC		0x9005
61 #define IPS_MORPHEUS_DEVICE_ID          0x01BD
62 #define IPS_COPPERHEAD_DEVICE_ID        0x002E
63 #define IPS_MARCO_DEVICE_ID		0x0250
64 #define IPS_CSL				0xff
65 #define IPS_POCL			0x30
66 
67 /* amounts of memory to allocate for certain commands */
68 #define IPS_ADAPTER_INFO_LEN		(sizeof(ips_adapter_info_t))
69 #define IPS_DRIVE_INFO_LEN		(sizeof(ips_drive_info_t))
70 #define IPS_COMMAND_LEN			24
71 #define IPS_MAX_SG_LEN			(sizeof(ips_sg_element_t) * IPS_MAX_SG_ELEMENTS)
72 #define IPS_NVRAM_PAGE_SIZE		128
73 /* various flags */
74 #define IPS_NOWAIT_FLAG			1
75 
76 /* states for the card to be in */
77 #define IPS_DEV_OPEN			0x01
78 #define IPS_TIMEOUT			0x02 /* command time out, need reset */
79 #define IPS_OFFLINE			0x04 /* can't reset card/card failure */
80 
81 /* max number of commands set to something low for now */
82 #define IPS_MAX_CMD_NUM			128
83 #define IPS_MAX_NUM_DRIVES		8
84 #define IPS_MAX_SG_ELEMENTS		32
85 #define IPS_MAX_IOBUF_SIZE		(64 * 1024)
86 #define IPS_BLKSIZE			512
87 
88 /* logical drive states */
89 
90 #define IPS_LD_OFFLINE               	0x02
91 #define IPS_LD_OKAY                  	0x03
92 #define IPS_LD_DEGRADED			0x04
93 #define IPS_LD_FREE                  	0x00
94 #define IPS_LD_SYS                   	0x06
95 #define IPS_LD_CRS                   	0x24
96 
97 /* register offsets */
98 #define MORPHEUS_REG_OMR0               0x0018 /* Outbound Msg. Reg. 0 */
99 #define MORPHEUS_REG_OMR1               0x001C /* Outbound Msg. Reg. 1 */
100 #define MORPHEUS_REG_IDR		0x0020 /* Inbound Doorbell Reg. */
101 #define MORPHEUS_REG_IISR               0x0024 /* Inbound IRQ Status Reg. */
102 #define MORPHEUS_REG_IIMR               0x0028 /* Inbound IRQ Mask Reg. */
103 #define MORPHEUS_REG_OISR               0x0030 /* Outbound IRQ Status Reg. */
104 #define MORPHEUS_REG_OIMR               0x0034 /* Outbound IRQ Status Reg. */
105 #define MORPHEUS_REG_IQPR               0x0040 /* Inbound Queue Port Reg. */
106 #define MORPHEUS_REG_OQPR               0x0044 /* Outbound Queue Port Reg. */
107 
108 #define COPPER_REG_SCPR			0x05	/* Subsystem Ctrl. Port Reg. */
109 #define COPPER_REG_ISPR			0x06	/* IRQ Status Port Reg. */
110 #define COPPER_REG_CBSP			0x07	/* ? Reg. */
111 #define COPPER_REG_HISR			0x08	/* Host IRQ Status Reg.    */
112 #define COPPER_REG_CCSAR		0x10	/* Cmd. Channel Sys Addr Reg.*/
113 #define COPPER_REG_CCCR			0x14	/* Cmd. Channel Ctrl. Reg. */
114 #define COPPER_REG_SQHR                	0x20    /* Status Queue Head Reg.  */
115 #define COPPER_REG_SQTR                	0x24    /* Status Queue Tail Reg.  */
116 #define COPPER_REG_SQER                	0x28    /* Status Queue End Reg.   */
117 #define COPPER_REG_SQSR                	0x2C    /* Status Queue Start Reg. */
118 
119 /* bit definitions */
120 #define MORPHEUS_BIT_POST1              0x01
121 #define MORPHEUS_BIT_POST2              0x02
122 #define MORPHEUS_BIT_CMD_IRQ		0x08
123 
124 #define COPPER_CMD_START		0x101A
125 #define COPPER_SEM_BIT			0x08
126 #define COPPER_EI_BIT			0x80
127 #define COPPER_EBM_BIT			0x02
128 #define COPPER_RESET_BIT		0x80
129 #define COPPER_GHI_BIT			0x04
130 #define COPPER_SCE_BIT			0x01
131 #define COPPER_OP_BIT			0x01
132 #define COPPER_ILE_BIT			0x10
133 
134 /* status defines */
135 #define IPS_POST1_OK                    0x8000
136 #define IPS_POST2_OK                    0x000f
137 
138 /* command op codes */
139 #define IPS_READ_CMD			0x02
140 #define IPS_WRITE_CMD			0x03
141 #define IPS_ADAPTER_INFO_CMD		0x05
142 #define IPS_CACHE_FLUSH_CMD		0x0A
143 #define IPS_REBUILD_STATUS_CMD		0x0C
144 #define IPS_ERROR_TABLE_CMD		0x17
145 #define IPS_DRIVE_INFO_CMD		0x19
146 #define IPS_SUBSYS_PARAM_CMD		0x40
147 #define IPS_CONFIG_SYNC_CMD		0x58
148 #define IPS_SG_READ_CMD			0x82
149 #define IPS_SG_WRITE_CMD		0x83
150 #define IPS_RW_NVRAM_CMD		0xBC
151 #define IPS_FFDC_CMD			0xD7
152 
153 /* error information returned by the adapter */
154 #define IPS_MIN_ERROR			0x02
155 #define IPS_ERROR_STATUS		0x13000200 /* ahh, magic numbers */
156 
157 #define IPS_OS_FREEBSD			8
158 #define IPS_VERSION_MAJOR		"0.90"
159 #define IPS_VERSION_MINOR		".10"
160 
161 /* Adapter Types */
162 #define IPS_ADAPTER_COPPERHEAD		0x01
163 #define IPS_ADAPTER_COPPERHEAD2		0x02
164 #define IPS_ADAPTER_COPPERHEADOB1	0x03
165 #define IPS_ADAPTER_COPPERHEADOB2	0x04
166 #define IPS_ADAPTER_CLARINET		0x05
167 #define IPS_ADAPTER_CLARINETLITE	0x06
168 #define IPS_ADAPTER_TROMBONE		0x07
169 #define IPS_ADAPTER_MORPHEUS		0x08
170 #define IPS_ADAPTER_MORPHEUSLITE	0x09
171 #define IPS_ADAPTER_NEO			0x0A
172 #define IPS_ADAPTER_NEOLITE		0x0B
173 #define IPS_ADAPTER_SARASOTA2		0x0C
174 #define IPS_ADAPTER_SARASOTA1		0x0D
175 #define IPS_ADAPTER_MARCO		0x0E
176 #define IPS_ADAPTER_SEBRING		0x0F
177 #define IPS_ADAPTER_MAX_T		IPS_ADAPTER_SEBRING
178 
179 /* values for ffdc_settime (from gmtime) */
180 #define IPS_SECSPERMIN      60
181 #define IPS_MINSPERHOUR     60
182 #define IPS_HOURSPERDAY     24
183 #define IPS_DAYSPERWEEK     7
184 #define IPS_DAYSPERNYEAR    365
185 #define IPS_DAYSPERLYEAR    366
186 #define IPS_SECSPERHOUR     (IPS_SECSPERMIN * IPS_MINSPERHOUR)
187 #define IPS_SECSPERDAY      ((long) IPS_SECSPERHOUR * IPS_HOURSPERDAY)
188 #define IPS_MONSPERYEAR     12
189 #define IPS_EPOCH_YEAR      1970
190 #define IPS_LEAPS_THRU_END_OF(y)    ((y) / 4 - (y) / 100 + (y) / 400)
191 #define ips_isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0))
192 
193 /*
194  *  IPS MACROS
195  */
196 
197 #define ips_read_1(sc,offset)		bus_space_read_1(sc->bustag, sc->bushandle, offset)
198 #define ips_read_2(sc,offset) 		bus_space_read_2(sc->bustag, sc->bushandle, offset)
199 #define ips_read_4(sc,offset)		bus_space_read_4(sc->bustag, sc->bushandle, offset)
200 
201 #define ips_write_1(sc,offset,value)	bus_space_write_1(sc->bustag, sc->bushandle, offset, value)
202 #define ips_write_2(sc,offset,value) 	bus_space_write_2(sc->bustag, sc->bushandle, offset, value)
203 #define ips_write_4(sc,offset,value)	bus_space_write_4(sc->bustag, sc->bushandle, offset, value)
204 
205 /* this is ugly.  It zeros the end elements in an ips_command_t struct starting with the status element */
206 #define clear_ips_command(command)	bzero(&((command)->status), (unsigned long)(&(command)[1])-(unsigned long)&((command)->status))
207 
208 #define ips_read_request(iobuf)		((iobuf)->bio_cmd == BIO_READ)
209 
210 #define COMMAND_ERROR(status)		(((status)->fields.basic_status & 0x0f) >= IPS_MIN_ERROR)
211 
212 #ifndef IPS_DEBUG
213 #define DEVICE_PRINTF(x...)
214 #define PRINTF(x...)
215 #else
216 #define DEVICE_PRINTF(level,x...)	if(IPS_DEBUG >= level)device_printf(x)
217 #define PRINTF(level,x...)		if(IPS_DEBUG >= level)printf(x)
218 #endif
219 /*
220  *   IPS STRUCTS
221  */
222 
223 struct ips_softc;
224 
225 typedef struct{
226 	u_int8_t	command;
227 	u_int8_t	id;
228 	u_int8_t	drivenum;
229 	u_int8_t	reserve2;
230 	u_int32_t	lba;
231 	u_int32_t	buffaddr;
232 	u_int32_t	reserve3;
233 } __attribute__ ((packed)) ips_generic_cmd;
234 
235 typedef struct{
236 	u_int8_t	command;
237 	u_int8_t	id;
238 	u_int8_t	drivenum;
239 	u_int8_t	segnum;
240 	u_int32_t	lba;
241 	u_int32_t	buffaddr;
242 	u_int16_t	length;
243 	u_int16_t	reserve1;
244 } __attribute__ ((packed)) ips_io_cmd;
245 
246 typedef struct{
247 	u_int8_t	command;
248 	u_int8_t	id;
249 	u_int8_t	pagenum;
250 	u_int8_t	rw;
251 	u_int32_t	reserve1;
252 	u_int32_t	buffaddr;
253 	u_int32_t	reserve3;
254 } __attribute__ ((packed)) ips_rw_nvram_cmd;
255 
256 typedef struct{
257 	u_int8_t	command;
258 	u_int8_t	id;
259 	u_int8_t	drivenum;
260 	u_int8_t	reserve1;
261 	u_int32_t	reserve2;
262 	u_int32_t	buffaddr;
263 	u_int32_t	reserve3;
264 } __attribute__ ((packed)) ips_drive_cmd;
265 
266 typedef struct{
267 	u_int8_t	command;
268 	u_int8_t	id;
269 	u_int8_t	reserve1;
270 	u_int8_t	commandtype;
271 	u_int32_t	reserve2;
272 	u_int32_t	buffaddr;
273 	u_int32_t	reserve3;
274 } __attribute__((packed)) ips_adapter_info_cmd;
275 
276 typedef struct{
277 	u_int8_t	command;
278 	u_int8_t	id;
279 	u_int8_t	reset_count;
280 	u_int8_t	reset_type;
281 	u_int8_t	second;
282 	u_int8_t	minute;
283 	u_int8_t	hour;
284 	u_int8_t	day;
285 	u_int8_t	reserve1[4];
286 	u_int8_t	month;
287 	u_int8_t	yearH;
288 	u_int8_t	yearL;
289 	u_int8_t	reserve2;
290 } __attribute__((packed)) ips_adapter_ffdc_cmd;
291 
292 typedef union{
293 	ips_generic_cmd		generic_cmd;
294 	ips_drive_cmd 		drive_cmd;
295 	ips_adapter_info_cmd 	adapter_info_cmd;
296 } ips_cmd_buff_t;
297 
298 typedef struct {
299    u_int32_t  signature;
300    u_int8_t   reserved;
301    u_int8_t   adapter_slot;
302    u_int16_t  adapter_type;
303    u_int8_t   bios_high[4];
304    u_int8_t   bios_low[4];
305    u_int16_t  reserve2;
306    u_int8_t   reserve3;
307    u_int8_t   operating_system;
308    u_int8_t   driver_high[4];
309    u_int8_t   driver_low[4];
310    u_int8_t   reserve4[100];
311 }__attribute__((packed)) ips_nvram_page5;
312 
313 typedef struct{
314 	u_int32_t	addr;
315 	u_int32_t	len;
316 } ips_sg_element_t;
317 
318 typedef struct{
319 	u_int8_t	drivenum;
320 	u_int8_t	merge_id;
321 	u_int8_t	raid_lvl;
322 	u_int8_t	state;
323 	u_int32_t	sector_count;
324 } __attribute__((packed)) ips_drive_t;
325 
326 typedef struct{
327 	u_int8_t	drivecount;
328 	u_int8_t	reserve1;
329 	u_int16_t	reserve2;
330 	ips_drive_t drives[IPS_MAX_NUM_DRIVES];
331 }__attribute__((packed)) ips_drive_info_t;
332 
333 typedef struct{
334 	u_int8_t	drivecount;
335 	u_int8_t	miscflags;
336 	u_int8_t	SLTflags;
337 	u_int8_t	BSTflags;
338 	u_int8_t	pwr_chg_count;
339 	u_int8_t	wrong_addr_count;
340 	u_int8_t	unident_count;
341 	u_int8_t	nvram_dev_chg_count;
342 	u_int8_t	codeblock_version[8];
343 	u_int8_t	bootblock_version[8];
344 	u_int32_t	drive_sector_count[IPS_MAX_NUM_DRIVES];
345 	u_int8_t	max_concurrent_cmds;
346 	u_int8_t	max_phys_devices;
347 	u_int16_t	flash_prog_count;
348 	u_int8_t	defunct_disks;
349 	u_int8_t	rebuildflags;
350 	u_int8_t	offline_drivecount;
351 	u_int8_t	critical_drivecount;
352 	u_int16_t	config_update_count;
353 	u_int8_t	blockedflags;
354 	u_int8_t	psdn_error;
355 	u_int16_t	addr_dead_disk[4*16];/* ugly, max # channels * max # scsi devices per channel */
356 }__attribute__((packed)) ips_adapter_info_t;
357 
358 typedef struct {
359 	u_int32_t 	status[IPS_MAX_CMD_NUM];
360 	u_int32_t 	base_phys_addr;
361 	int 		nextstatus;
362 	bus_dma_tag_t	dmatag;
363 	bus_dmamap_t	dmamap;
364 } ips_copper_queue_t;
365 
366 typedef union {
367    struct {
368       u_int8_t  reserved;
369       u_int8_t  command_id;
370       u_int8_t  basic_status;
371       u_int8_t  extended_status;
372    } fields;
373    volatile u_int32_t    value;
374 } ips_cmd_status_t;
375 
376 /* used to keep track of current commands to the card */
377 typedef struct ips_command{
378 	u_int8_t		command_number;
379 	u_int8_t 		id;
380 	u_int8_t		timeout;
381 	struct ips_softc *	sc;
382 	bus_dmamap_t		command_dmamap;
383 	void *			command_buffer;
384 	u_int32_t		command_phys_addr;/*WARNING! must be changed if 64bit addressing ever used*/
385 	struct sema		cmd_sema;
386 	ips_cmd_status_t	status;
387 	SLIST_ENTRY(ips_command)	next;
388 	bus_dma_tag_t		data_dmatag;
389 	bus_dmamap_t		data_dmamap;
390 	void *			data_buffer;
391 	void * 			arg;
392 	void			(* callback)(struct ips_command *command);
393 }ips_command_t;
394 
395 typedef struct ips_wait_list{
396 	STAILQ_ENTRY(ips_wait_list) next;
397 	void 			*data;
398 	int			(* callback)(ips_command_t *command);
399 }ips_wait_list_t;
400 
401 typedef struct ips_softc{
402         struct resource *       iores;
403         struct resource *       irqres;
404         struct intr_config_hook ips_ich;
405         int                     configured;
406         int                     state;
407         int                     iotype;
408         int                     rid;
409         int                     irqrid;
410         void *                  irqcookie;
411         bus_space_tag_t	        bustag;
412 	bus_space_handle_t      bushandle;
413 	bus_dma_tag_t	        adapter_dmatag;
414 	bus_dma_tag_t		command_dmatag;
415 	bus_dma_tag_t		sg_dmatag;
416         device_t                dev;
417         struct cdev *device_file;
418 	struct callout_handle	timer;
419 	u_int16_t		adapter_type;
420 	ips_adapter_info_t	adapter_info;
421 	device_t		diskdev[IPS_MAX_NUM_DRIVES];
422 	ips_drive_t		drives[IPS_MAX_NUM_DRIVES];
423 	u_int8_t		drivecount;
424 	u_int16_t		ffdc_resetcount;
425 	struct timeval		ffdc_resettime;
426 	u_int8_t		next_drive;
427 	u_int8_t		max_cmds;
428 	volatile u_int8_t	used_commands;
429 	ips_command_t		commandarray[IPS_MAX_CMD_NUM];
430 	SLIST_HEAD(command_list, ips_command) free_cmd_list;
431 	STAILQ_HEAD(command_wait_list,ips_wait_list)  cmd_wait_list;
432 	int			(* ips_adapter_reinit)(struct ips_softc *sc,
433 						       int force);
434         void                    (* ips_adapter_intr)(void *sc);
435 	void			(* ips_issue_cmd)(ips_command_t *command);
436 	ips_copper_queue_t *	copper_queue;
437 	struct mtx		queue_mtx;
438 	struct bio_queue_head	queue;
439 
440 }ips_softc_t;
441 
442 /* function defines from ips_ioctl.c */
443 extern int ips_ioctl_request(ips_softc_t *sc, u_long ioctl_cmd, caddr_t addr,
444 				int32_t flags);
445 /* function defines from ips_disk.c */
446 extern void ipsd_finish(struct bio *iobuf);
447 
448 /* function defines from ips_commands.c */
449 extern int ips_flush_cache(ips_softc_t *sc);
450 extern void ips_start_io_request(ips_softc_t *sc);
451 extern int ips_get_drive_info(ips_softc_t *sc);
452 extern int ips_get_adapter_info(ips_softc_t *sc);
453 extern int ips_ffdc_reset(ips_softc_t *sc);
454 extern int ips_update_nvram(ips_softc_t *sc);
455 extern int ips_clear_adapter(ips_softc_t *sc);
456 
457 /* function defines from ips.c */
458 extern int ips_get_free_cmd(ips_softc_t *sc, int (*callback)(ips_command_t *),
459 				void *data, unsigned long flags);
460 extern void ips_insert_free_cmd(ips_softc_t *sc, ips_command_t *command);
461 extern int ips_adapter_init(ips_softc_t *sc);
462 extern int ips_morpheus_reinit(ips_softc_t *sc, int force);
463 extern int ips_adapter_free(ips_softc_t *sc);
464 extern void ips_morpheus_intr(void *sc);
465 extern void ips_issue_morpheus_cmd(ips_command_t *command);
466 extern int ips_copperhead_reinit(ips_softc_t *sc, int force);
467 extern void ips_copperhead_intr(void *sc);
468 extern void ips_issue_copperhead_cmd(ips_command_t *command);
469 
470