xref: /titanic_52/usr/src/uts/common/io/aac/aac.h (revision 1dc8bc23152a02d4586ec1fd8612f7e8f57ceb42)
1 /*
2  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
3  * Use is subject to license terms.
4  */
5 
6 /*
7  * Copyright 2005-06 Adaptec, Inc.
8  * Copyright (c) 2005-06 Adaptec Inc., Achim Leubner
9  * Copyright (c) 2000 Michael Smith
10  * Copyright (c) 2001 Scott Long
11  * Copyright (c) 2000 BSDi
12  * All rights reserved.
13  *
14  * Redistribution and use in source and binary forms, with or without
15  * modification, are permitted provided that the following conditions
16  * are met:
17  * 1. Redistributions of source code must retain the above copyright
18  *    notice, this list of conditions and the following disclaimer.
19  * 2. Redistributions in binary form must reproduce the above copyright
20  *    notice, this list of conditions and the following disclaimer in the
21  *    documentation and/or other materials provided with the distribution.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  *    $FreeBSD: src/sys/dev/aac/aacvar.h,v 1.47 2005/10/08 15:55:09 scottl Exp $
36  */
37 
38 #ifndef	_AAC_H_
39 #define	_AAC_H_
40 
41 #pragma ident	"%Z%%M%	%I%	%E% SMI"
42 
43 #ifdef	__cplusplus
44 extern "C" {
45 #endif
46 
47 #define	AAC_ROUNDUP(x, y)		(((x) + (y) - 1) / (y) * (y))
48 
49 #define	AAC_TYPE_DEVO			1
50 #define	AAC_TYPE_ALPHA			2
51 #define	AAC_TYPE_BETA			3
52 #define	AAC_TYPE_RELEASE		4
53 
54 #ifndef	AAC_DRIVER_BUILD
55 #define	AAC_DRIVER_BUILD		1
56 #endif
57 
58 #define	AAC_DRIVER_MAJOR_VERSION	2
59 #define	AAC_DRIVER_MINOR_VERSION	2
60 #define	AAC_DRIVER_BUGFIX_LEVEL		4
61 #define	AAC_DRIVER_TYPE			AAC_TYPE_RELEASE
62 
63 #define	STR(s)				# s
64 #define	AAC_VERSION(a, b, c)		STR(a.b.c)
65 #define	AAC_DRIVER_VERSION		AAC_VERSION(AAC_DRIVER_MAJOR_VERSION, \
66 					AAC_DRIVER_MINOR_VERSION, \
67 					AAC_DRIVER_BUGFIX_LEVEL)
68 
69 #define	AACOK				0
70 #define	AACERR				-1
71 
72 #define	AAC_MAX_ADAPTERS		64
73 
74 /* Definitions for mode sense */
75 #ifndef	SD_MODE_SENSE_PAGE3_CODE
76 #define	SD_MODE_SENSE_PAGE3_CODE	0x03
77 #endif
78 
79 #ifndef	SD_MODE_SENSE_PAGE4_CODE
80 #define	SD_MODE_SENSE_PAGE4_CODE	0x04
81 #endif
82 
83 #ifndef	SCMD_SYNCHRONIZE_CACHE
84 #define	SCMD_SYNCHRONIZE_CACHE		0x35
85 #endif
86 
87 /*
88  * The controller reports status events in AIFs. We hang on to a number of
89  * these in order to pass them out to user-space management tools.
90  */
91 #define	AAC_AIFQ_LENGTH			64
92 
93 #ifdef __x86
94 #define	AAC_IMMEDIATE_TIMEOUT		30	/* seconds */
95 #else
96 #define	AAC_IMMEDIATE_TIMEOUT		60	/* seconds */
97 #endif
98 #define	AAC_FWUP_TIMEOUT		180	/* wait up to 3 minutes */
99 #define	AAC_IOCTL_TIMEOUT		180	/* wait up to 3 minutes */
100 
101 /* Adapter hardware interface types */
102 #define	AAC_HWIF_UNKNOWN		0
103 #define	AAC_HWIF_I960RX			1
104 #define	AAC_HWIF_RKT			2
105 
106 #define	AAC_TYPE_UNKNOWN		0
107 #define	AAC_TYPE_SCSI			1
108 #define	AAC_TYPE_SATA			2
109 #define	AAC_TYPE_SAS			3
110 
111 #define	AAC_LS32(d)			((uint32_t)((d) & 0xffffffffull))
112 #define	AAC_MS32(d)			((uint32_t)((d) >> 32))
113 #define	AAC_LO32(p64)			((uint32_t *)(p64))
114 #define	AAC_HI32(p64)			((uint32_t *)(p64) + 1)
115 
116 /*
117  * AAC_CMDQ_SYNC should be 0 and AAC_CMDQ_ASYNC be 1 for Sync FIB io
118  * to be served before async FIB io, see aac_start_waiting_io().
119  * So that io requests sent by interactive userland commands get
120  * responded asap.
121  */
122 enum aac_cmdq {
123 	AAC_CMDQ_SYNC,	/* sync FIB queue */
124 	AAC_CMDQ_ASYNC,	/* async FIB queue */
125 	AAC_CMDQ_NUM
126 };
127 
128 /*
129  * IO command flags
130  */
131 #define	AAC_IOCMD_SYNC		(1 << AAC_CMDQ_SYNC)
132 #define	AAC_IOCMD_ASYNC		(1 << AAC_CMDQ_ASYNC)
133 #define	AAC_IOCMD_OUTSTANDING	(1 << AAC_CMDQ_NUM)
134 #define	AAC_IOCMD_ALL		(AAC_IOCMD_SYNC | AAC_IOCMD_ASYNC | \
135 				AAC_IOCMD_OUTSTANDING)
136 
137 struct aac_cmd_queue {
138 	struct aac_cmd *q_head; /* also as the header of aac_cmd */
139 	struct aac_cmd *q_tail;
140 };
141 
142 struct aac_card_type {
143 	uint16_t vendor;	/* PCI Vendor ID */
144 	uint16_t device;	/* PCI Device ID */
145 	uint16_t subvendor;	/* PCI Subsystem Vendor ID */
146 	uint16_t subsys;	/* PCI Subsystem ID */
147 	uint16_t hwif;		/* card chip type: i960 or Rocket */
148 	uint16_t quirks;	/* card odd limits */
149 	uint16_t type;		/* hard drive type */
150 	char *vid;		/* ASCII data for INQUIRY command vendor id */
151 	char *desc;		/* ASCII data for INQUIRY command product id */
152 };
153 
154 /* Array description */
155 struct aac_container {
156 	uint8_t valid;
157 	uint32_t cid;		/* container id */
158 	uint32_t uid;		/* container uid */
159 	uint64_t size;		/* in block */
160 	uint8_t locked;
161 	uint8_t deleted;
162 	uint8_t reset;			/* container is being reseted */
163 	int ncmds[AAC_CMDQ_NUM];	/* outstanding cmds of the device */
164 	int throttle[AAC_CMDQ_NUM];	/* hold IO cmds for the device */
165 };
166 
167 /*
168  * The firmware can support a lot of outstanding commands. Each aac_slot
169  * is corresponding to one of such commands. It records the command and
170  * associated DMA resource for FIB command.
171  */
172 struct aac_slot {
173 	struct aac_slot *next;	/* next slot in the free slot list */
174 	int index;		/* index of this slot */
175 	ddi_acc_handle_t fib_acc_handle;
176 	ddi_dma_handle_t fib_dma_handle;
177 	uint64_t fib_phyaddr;	/* physical address of FIB memory */
178 	struct aac_cmd *acp;	/* command using this slot */
179 	struct aac_fib *fibp;	/* virtual address of FIB memory */
180 };
181 
182 /* Flags for attach tracking */
183 #define	AAC_ATTACH_SOFTSTATE_ALLOCED	(1 << 0)
184 #define	AAC_ATTACH_CARD_DETECTED	(1 << 1)
185 #define	AAC_ATTACH_PCI_MEM_MAPPED	(1 << 2)
186 #define	AAC_ATTACH_KMUTEX_INITED	(1 << 3)
187 #define	AAC_ATTACH_HARD_INTR_SETUP	(1 << 4)
188 #define	AAC_ATTACH_SOFT_INTR_SETUP	(1 << 5)
189 #define	AAC_ATTACH_SCSI_TRAN_SETUP	(1 << 6)
190 #define	AAC_ATTACH_COMM_SPACE_SETUP	(1 << 7)
191 #define	AAC_ATTACH_CREATE_DEVCTL	(1 << 8)
192 #define	AAC_ATTACH_CREATE_SCSI		(1 << 9)
193 
194 /* Driver running states */
195 #define	AAC_STATE_STOPPED	0
196 #define	AAC_STATE_RUN		(1 << 0)
197 #define	AAC_STATE_RESET		(1 << 1)
198 #define	AAC_STATE_QUIESCED	(1 << 2)
199 #define	AAC_STATE_DEAD		(1 << 3)
200 
201 /*
202  * Flags for aac firmware
203  * Note: Quirks are only valid for the older cards. These cards only supported
204  * old comm. Thus they are not valid for any cards that support new comm.
205  */
206 #define	AAC_FLAGS_SG_64BIT	(1 << 0) /* Use 64-bit S/G addresses */
207 #define	AAC_FLAGS_4GB_WINDOW	(1 << 1) /* Can access host mem 2-4GB range */
208 #define	AAC_FLAGS_NO4GB	(1 << 2)	/* quirk: FIB addresses must reside */
209 					/*	  between 0x2000 & 0x7FFFFFFF */
210 #define	AAC_FLAGS_256FIBS	(1 << 3) /* quirk: Can only do 256 commands */
211 #define	AAC_FLAGS_NEW_COMM	(1 << 4) /* New comm. interface supported */
212 #define	AAC_FLAGS_RAW_IO	(1 << 5) /* Raw I/O interface */
213 #define	AAC_FLAGS_ARRAY_64BIT	(1 << 6) /* 64-bit array size */
214 #define	AAC_FLAGS_LBA_64BIT	(1 << 7) /* 64-bit LBA supported */
215 #define	AAC_FLAGS_17SG		(1 << 8) /* quirk: 17 scatter gather maximum */
216 #define	AAC_FLAGS_34SG		(1 << 9) /* quirk: 34 scatter gather maximum */
217 
218 struct aac_softstate;
219 struct aac_interface {
220 	int (*aif_get_fwstatus)(struct aac_softstate *);
221 	int (*aif_get_mailbox)(struct aac_softstate *, int);
222 	void (*aif_set_mailbox)(struct aac_softstate *, uint32_t,
223 	    uint32_t, uint32_t, uint32_t, uint32_t);
224 };
225 
226 struct aac_fib_context {
227 	uint32_t unique;
228 	int ctx_idx;
229 	int ctx_filled;		/* aifq is full for this fib context */
230 	struct aac_fib_context *next, *prev;
231 };
232 
233 typedef void (*aac_cmd_fib_t)(struct aac_softstate *, struct aac_cmd *);
234 
235 #define	AAC_VENDOR_LEN		8
236 #define	AAC_PRODUCT_LEN		16
237 
238 struct aac_softstate {
239 	int card;		/* index to aac_cards */
240 	uint16_t hwif;		/* card chip type: i960 or Rocket */
241 	uint16_t vendid;	/* vendor id */
242 	uint16_t subvendid;	/* sub vendor id */
243 	uint16_t devid;		/* device id */
244 	uint16_t subsysid;	/* sub system id */
245 	char vendor_name[AAC_VENDOR_LEN + 1];
246 	char product_name[AAC_PRODUCT_LEN + 1];
247 	uint32_t support_opt;	/* firmware features */
248 	uint32_t atu_size;	/* actual size of PCI mem space */
249 	uint32_t map_size;	/* mapped PCI mem space size */
250 	uint32_t map_size_min;	/* minimum size of PCI mem that must be */
251 				/* mapped to address the card */
252 	int flags;		/* firmware features enabled */
253 	int instance;
254 	dev_info_t *devinfo_p;
255 	int slen;
256 
257 	/* DMA attributes */
258 	ddi_dma_attr_t buf_dma_attr;
259 	ddi_dma_attr_t addr_dma_attr;
260 
261 	/* PCI spaces */
262 	ddi_acc_handle_t pci_mem_handle;
263 	uint8_t *pci_mem_base_vaddr;
264 	uint32_t pci_mem_base_paddr;
265 
266 	struct aac_interface aac_if;	/* adapter hardware interface */
267 
268 	struct aac_slot sync_slot;	/* sync FIB */
269 
270 	/* Communication space */
271 	struct aac_comm_space *comm_space;
272 	ddi_acc_handle_t comm_space_acc_handle;
273 	ddi_dma_handle_t comm_space_dma_handle;
274 	uint32_t comm_space_phyaddr;
275 
276 	/* Old Comm. interface: message queues */
277 	struct aac_queue_table *qtablep;
278 	struct aac_queue_entry *qentries[AAC_QUEUE_COUNT];
279 
280 	/* New Comm. interface */
281 	uint32_t aac_max_fibs;		/* max. FIB count */
282 	uint32_t aac_max_fib_size;	/* max. FIB size */
283 	uint32_t aac_sg_tablesize;	/* max. sg count from host */
284 	uint32_t aac_max_sectors;	/* max. I/O size from host (blocks) */
285 
286 	aac_cmd_fib_t aac_cmd_fib;	/* IO cmd FIB construct function */
287 	aac_cmd_fib_t aac_cmd_fib_scsi;	/* SRB construct function */
288 
289 	ddi_softintr_t softint_id;	/* soft intr */
290 
291 	kmutex_t io_lock;
292 	int state;			/* driver state */
293 
294 	struct aac_container containers[AAC_MAX_LD];
295 	int container_count;		/* max container id + 1 */
296 
297 	/*
298 	 * Command queues
299 	 * Each aac command flows through wait(or wait_sync) queue,
300 	 * busy queue, and complete queue sequentially.
301 	 */
302 	struct aac_cmd_queue q_wait[AAC_CMDQ_NUM];
303 	struct aac_cmd_queue q_busy;	/* outstanding cmd queue */
304 	kmutex_t q_comp_mutex;
305 	struct aac_cmd_queue q_comp;	/* completed io requests */
306 
307 	/* I/O slots and FIBs */
308 	int total_slots;		/* total slots allocated */
309 	int total_fibs;			/* total FIBs allocated */
310 	struct aac_slot *io_slot;	/* static list for allocated slots */
311 	struct aac_slot *free_io_slot_head;
312 
313 	timeout_id_t timeout_id;	/* for timeout daemon */
314 
315 	kcondvar_t event;		/* for ioctl_send_fib() and sync IO */
316 
317 	int bus_ncmds[AAC_CMDQ_NUM];	/* total outstanding async cmds */
318 	int bus_throttle[AAC_CMDQ_NUM];	/* hold IO cmds for the bus */
319 	int ndrains;			/* number of draining threads */
320 	timeout_id_t drain_timeid;	/* for outstanding cmd drain */
321 	kcondvar_t drain_cv;		/* for quiesce drain */
322 
323 	/* AIF */
324 	kmutex_t aifq_mutex;		/* for AIF queue aifq */
325 	kcondvar_t aifv;
326 	union aac_fib_align aifq[AAC_AIFQ_LENGTH];
327 	int aifq_idx;			/* slot for next new AIF */
328 	int aifq_wrap;			/* AIF queue has ever been wrapped */
329 	struct aac_fib_context *fibctx;
330 	int devcfg_wait_on;		/* AIF event waited for rescan */
331 
332 	int fm_capabilities;
333 
334 	/* MSI specific fields */
335 	ddi_intr_handle_t *htable;	/* For array of interrupts */
336 	int intr_type;			/* What type of interrupt */
337 	int intr_cnt;			/* # of intrs count returned */
338 	uint_t intr_pri;		/* Interrupt priority   */
339 	int intr_cap;			/* Interrupt capabilities */
340 
341 #ifdef DEBUG
342 	/* UART trace printf variables */
343 	uint32_t debug_flags;		/* debug print flags bitmap */
344 	uint32_t debug_fw_flags;	/* FW debug flags */
345 	uint32_t debug_buf_offset;	/* offset from DPMEM start */
346 	uint32_t debug_buf_size;	/* FW debug buffer size in bytes */
347 	uint32_t debug_header_size;	/* size of debug header */
348 #endif
349 };
350 
351 /*
352  * The following data are kept stable because they are only written at driver
353  * initialization, and we do not allow them changed otherwise even at driver
354  * re-initialization.
355  */
356 _NOTE(SCHEME_PROTECTS_DATA("stable data", aac_softstate::{flags slen \
357     buf_dma_attr pci_mem_handle pci_mem_base_vaddr \
358     comm_space_acc_handle comm_space_dma_handle aac_max_fib_size \
359     aac_sg_tablesize aac_cmd_fib aac_cmd_fib_scsi debug_flags}))
360 
361 /*
362  * Scatter-gather list structure defined by HBA hardware
363  */
364 struct aac_sge {
365 	uint32_t bcount;	/* byte count */
366 	union {
367 		uint32_t ad32;	/* 32 bit address */
368 		struct {
369 			uint32_t lo;
370 			uint32_t hi;
371 		} ad64;		/* 64 bit address */
372 	} addr;
373 };
374 
375 /* aac_cmd flags */
376 #define	AAC_CMD_CONSISTENT		(1 << 0)
377 #define	AAC_CMD_DMA_PARTIAL		(1 << 1)
378 #define	AAC_CMD_DMA_VALID		(1 << 2)
379 #define	AAC_CMD_BUF_READ		(1 << 3)
380 #define	AAC_CMD_BUF_WRITE		(1 << 4)
381 #define	AAC_CMD_SYNC			(1 << 5) /* use sync FIB */
382 #define	AAC_CMD_NO_INTR			(1 << 6) /* poll IO, no intr */
383 #define	AAC_CMD_NO_CB			(1 << 7) /* sync IO, no callback */
384 #define	AAC_CMD_NTAG			(1 << 8)
385 #define	AAC_CMD_CMPLT			(1 << 9) /* cmd exec'ed by driver/fw */
386 #define	AAC_CMD_ABORT			(1 << 10)
387 #define	AAC_CMD_TIMEOUT			(1 << 11)
388 #define	AAC_CMD_ERR			(1 << 12)
389 
390 struct aac_cmd {
391 	/*
392 	 * Note: should be the first member for aac_cmd_queue to work
393 	 * correctly.
394 	 */
395 	struct aac_cmd *next;
396 	struct aac_cmd *prev;
397 
398 	struct scsi_pkt *pkt;
399 	int cmdlen;
400 	int flags;
401 	uint32_t timeout; /* time when the cmd should have completed */
402 	struct buf *bp;
403 	ddi_dma_handle_t buf_dma_handle;
404 
405 	/* For non-aligned buffer and SRB */
406 	caddr_t abp;
407 	ddi_acc_handle_t abh;
408 
409 	/* Data transfer state */
410 	ddi_dma_cookie_t cookie;
411 	uint_t left_cookien;
412 	uint_t cur_win;
413 	uint_t total_nwin;
414 	size_t total_xfer;
415 	uint64_t blkno;
416 	uint32_t bcount;	/* buffer size in byte */
417 	struct aac_sge *sgt;	/* sg table */
418 
419 	/* FIB construct function */
420 	aac_cmd_fib_t aac_cmd_fib;
421 	/* Call back function for completed command */
422 	void (*ac_comp)(struct aac_softstate *, struct aac_cmd *);
423 
424 	struct aac_slot *slotp;	/* slot used by this command */
425 	struct aac_container *dvp;	/* target device */
426 
427 	/* FIB for this IO command */
428 	int fib_size; /* size of the FIB xferred to/from the card */
429 	struct aac_fib *fibp;
430 };
431 
432 #ifdef DEBUG
433 
434 #define	AACDB_FLAGS_MASK		0x0000ffff
435 #define	AACDB_FLAGS_KERNEL_PRINT	0x00000001
436 #define	AACDB_FLAGS_FW_PRINT		0x00000002
437 #define	AACDB_FLAGS_NO_HEADERS		0x00000004
438 
439 #define	AACDB_FLAGS_MISC		0x00000010
440 #define	AACDB_FLAGS_FUNC1		0x00000020
441 #define	AACDB_FLAGS_FUNC2		0x00000040
442 #define	AACDB_FLAGS_SCMD		0x00000080
443 #define	AACDB_FLAGS_AIF			0x00000100
444 #define	AACDB_FLAGS_FIB			0x00000200
445 #define	AACDB_FLAGS_IOCTL		0x00000400
446 
447 extern uint32_t aac_debug_flags;
448 extern int aac_dbflag_on(struct aac_softstate *, int);
449 extern void aac_printf(struct aac_softstate *, uint_t, const char *, ...);
450 extern void aac_print_fib(struct aac_softstate *, struct aac_fib *);
451 
452 #define	AACDB_PRINT(s, lev, ...) { \
453 	if (aac_dbflag_on((s), AACDB_FLAGS_MISC)) \
454 		aac_printf((s), (lev), __VA_ARGS__); }
455 
456 #define	AACDB_PRINT_IOCTL(s, ...) { \
457 	if (aac_dbflag_on((s), AACDB_FLAGS_IOCTL)) \
458 		aac_printf((s), CE_NOTE, __VA_ARGS__); }
459 
460 #define	AACDB_PRINT_TRAN(s, ...) { \
461 	if (aac_dbflag_on((s), AACDB_FLAGS_SCMD)) \
462 		aac_printf((s), CE_NOTE, __VA_ARGS__); }
463 
464 #define	DBCALLED(s, n) { \
465 	if (aac_dbflag_on((s), AACDB_FLAGS_FUNC ## n)) \
466 		aac_printf((s), CE_NOTE, "--- %s() called ---", __func__); }
467 
468 #define	AACDB_PRINT_SCMD(s, x) { \
469 	if (aac_dbflag_on((s), AACDB_FLAGS_SCMD)) aac_print_scmd((s), (x)); }
470 
471 #define	AACDB_PRINT_AIF(s, x) { \
472 	if (aac_dbflag_on((s), AACDB_FLAGS_AIF)) aac_print_aif((s), (x)); }
473 
474 #define	AACDB_PRINT_FIB(s, x) { \
475 	if (aac_dbflag_on((s), AACDB_FLAGS_FIB)) aac_print_fib((s), (x)); }
476 
477 #else /* DEBUG */
478 
479 #define	AACDB_PRINT(s, lev, ...)
480 #define	AACDB_PRINT_IOCTL(s, ...)
481 #define	AACDB_PRINT_TRAN(s, ...)
482 #define	AACDB_PRINT_FIB(s, x)
483 #define	AACDB_PRINT_SCMD(s, x)
484 #define	AACDB_PRINT_AIF(s, x)
485 #define	DBCALLED(s, n)
486 
487 #endif /* DEBUG */
488 
489 #ifdef	__cplusplus
490 }
491 #endif
492 
493 #endif /* _AAC_H_ */
494