xref: /titanic_44/usr/src/uts/common/sys/sata/impl/sata.h (revision 9c9af2590af49bb395bc8d2eace0f2d4ea16d165)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _SATA_H
28 #define	_SATA_H
29 
30 #ifdef	__cplusplus
31 extern "C" {
32 #endif
33 
34 /*
35  * Generic SATA Host Adapter Implementation
36  */
37 
38 #include <sys/types.h>
39 #include <sys/scsi/scsi.h>
40 #include <sys/scsi/impl/services.h>
41 #include <sys/sata/sata_defs.h>
42 #include <sys/sata/sata_hba.h>
43 
44 /* Common flags specifying current state of a port or an attached drive. */
45 #define	SATA_STATE_PROBING		0x000001
46 #define	SATA_STATE_PROBED		0x000002
47 
48 /* Statistics counters */
49 struct sata_port_stats {
50 	uint64_t	link_lost;		/* event counter */
51 	uint64_t	link_established;	/* event counter */
52 	uint64_t	device_attached;	/* event counter */
53 	uint64_t	device_detached;	/* event counter */
54 	uint64_t	port_reset;		/* event counter */
55 	uint64_t	port_pwr_changed;	/* event counter */
56 };
57 
58 typedef struct sata_port_stats sata_port_stats_t;
59 
60 struct sata_drive_stats {
61 	uint64_t	media_error;		/* available ??? */
62 	uint64_t	drive_reset;		/* event counter */
63 } sata_drv_stats_t;
64 
65 typedef struct sata_drive_stats sata_drive_stats_t;
66 
67 struct sata_ctrl_stats {
68 	uint64_t	ctrl_reset;		/* event counter */
69 	uint64_t	ctrl_pwr_change;	/* event counter */
70 };
71 
72 typedef struct sata_ctrl_stats sata_ctrl_stats_t;
73 
74 
75 /*
76  * SATA HBA instance info structure
77  */
78 struct sata_hba_inst {
79 	dev_info_t		*satahba_dip;	/* this HBA instance devinfo */
80 	struct sata_hba_inst	*satahba_next;	/* ptr to next sata_hba_inst */
81 	struct sata_hba_inst	*satahba_prev;	/* ptr to prev sata_hba_inst */
82 	struct scsi_hba_tran	*satahba_scsi_tran; /* scsi_hba_tran */
83 	struct sata_hba_tran	*satahba_tran;	/* sata_hba_tran */
84 	kmutex_t		satahba_mutex;	/* sata hba cntrl mutex */
85 	struct taskq		*satahba_taskq;	/* cmd completion task queue */
86 
87 						/*
88 						 * HBA event flags:
89 						 * SATA_EVNT_MAIN
90 						 * SATA_EVNT_PWR_LEVEL_CHANGED
91 						 * SATA_EVNT_SKIP
92 						 */
93 	uint_t			satahba_event_flags;
94 
95 	struct sata_cport_info	*satahba_dev_port[SATA_MAX_CPORTS];
96 
97 						/*
98 						 * DEVCTL open flag:
99 						 * SATA_DEVCTL_SOPENED
100 						 * SATA_DEVCTL_EXOPENED
101 						 */
102 	uint_t			satahba_open_flag; /* shared open flag */
103 	struct sata_ctrl_stats	satahba_stats;	/* HBA cntrl statistics */
104 
105 	uint_t			satahba_attached; /* HBA attaching: */
106 						/* 0 - not completed */
107 						/* 1 - completed */
108 };
109 
110 typedef struct sata_hba_inst	sata_hba_inst_t;
111 
112 /*
113  * SATA controller's device port info and state.
114  * This structure is pointed to by the sata_hba_inst.satahba_dev_port[x]
115  * where x is a device port number.
116  * cport_state holds port state flags, defined in sata_hba.h file.
117  * cport_event_flags holds SATA_EVNT_* flags defined in this file and in
118  * sata_hba.h file.
119  * cport_dev_type holds SATA_DTYPE_* types defined in sata_hba.h file.
120  */
121 struct sata_cport_info {
122 	sata_address_t		cport_addr;	/* this port SATA address */
123 	kmutex_t		cport_mutex;	/* port mutex */
124 
125 						/*
126 						 * Port state flags
127 						 * SATA_STATE_UNKNOWN
128 						 * SATA_STATE_PROBING
129 						 * SATA_STATE_PROBED
130 						 * SATA_STATE_READY
131 						 * SATA_PSTATE_PWRON
132 						 * SATA_PSTATE_PWROFF
133 						 * SATA_PSTATE_SHUTDOWN
134 						 * SATA_PSTATE_FAILED
135 						 */
136 	uint32_t		cport_state;
137 
138 						/*
139 						 * Port event flags:
140 						 * SATA_EVNT_DEVICE_ATTACHED
141 						 * SATA_EVNT_DEVICE_DETACHED
142 						 * SATA_EVNT_LINK_LOST
143 						 * SATA_EVNT_LINK_ESTABLISHED
144 						 * SATA_EVNT_PORT_FAILED
145 						 * SATA_EVNT_PWR_LEVEL_CHANGED
146 						 */
147 	uint32_t		cport_event_flags;
148 
149 	struct sata_port_scr	cport_scr;	/* Port status and ctrl regs */
150 
151 						/*
152 						 * Attached device type:
153 						 * SATA_DTYPE_NONE
154 						 * SATA_DTYPE_ATADISK
155 						 * SATA_DTYPE_ATAPICD
156 						 * SATA_DTYPE_ATAPITAPE
157 						 * SATA_DTYPE_PMULT
158 						 * SATA_DTYPE_UNKNOWN
159 						 */
160 	uint32_t		cport_dev_type;
161 	union {
162 	    struct sata_drive_info *cport_sata_drive; /* Attached drive info */
163 	    struct sata_pmult_info *cport_sata_pmult; /* Attached Port Mult */
164 	} 			cport_devp;
165 						/* lbolt value at link lost */
166 	clock_t			cport_link_lost_time;
167 						/* lbolt value @ dev attached */
168 	clock_t			cport_dev_attach_time;
169 
170 	struct sata_port_stats	cport_stats;	/* Port statistics */
171 
172 	boolean_t		cport_tgtnode_clean; /* Target node usable */
173 };
174 
175 typedef struct sata_cport_info sata_cport_info_t;
176 
177 /*
178  * Attached SATA drive info and state.
179  * This structure is pointed to by sata_cport_info's cport_sata_drive field
180  * when a drive is attached directly to a controller device port.
181  */
182 struct sata_drive_info {
183 	sata_address_t	satadrv_addr;		/* this drive SATA address */
184 
185 						/*
186 						 * Drive state flags
187 						 * SATA_STATE_UNKNOWN
188 						 * SATA_STATE_PROBING
189 						 * SATA_STATE_PROBED
190 						 * SATA_STATE_READY
191 						 * SATA_DSTATE_PWR_ACTIVE
192 						 * SATA_DSTATE_PWR_IDLE
193 						 * SATA_DSTATE_RESET
194 						 * SATA_DSTATE_FAILED
195 						 */
196 	uint32_t	satadrv_state;
197 
198 						/*
199 						 * drive event flags:
200 						 * SATA_EVNT_DRIVE_RESET
201 						 */
202 	uint32_t	satadrv_event_flags;
203 						/*
204 						 * lbolt value @ start of
205 						 * device reset processing
206 						 */
207 	clock_t		satadrv_reset_time;
208 						/*
209 						 * Attached device type:
210 						 * SATA_DTYPE_ATADISK
211 						 * SATA_DTYPE_ATAPICD
212 						 * SATA_DTYPE_ATAPITAPE
213 						 */
214 	uint32_t	satadrv_type;
215 
216 	uint32_t	satadrv_status_reg;	/* drive status reg */
217 	uint32_t	satadrv_error_reg;	/* drive error reg */
218 	uint16_t	satadrv_features_support; /* drive features support */
219 	uint16_t	satadrv_queue_depth;    /* drive queue depth */
220 	uint16_t	satadrv_atapi_cdb_len;	/* atapi supported cdb length */
221 	uint16_t	satadrv_atapi_trans_ver; /* atapi transport version */
222 	uint16_t	satadrv_settings;	/* drive settings flags */
223 	uint16_t	satadrv_features_enabled; /* drive features enabled */
224 	uint64_t	satadrv_capacity;	/* drive capacity */
225 	uint64_t	satadrv_max_queue_depth; /* maximum queue depth */
226 	sata_id_t	satadrv_id;		/* Device Identify Data */
227 	struct sata_drive_stats satadrv_stats;	/* drive statistics */
228 };
229 
230 typedef struct sata_drive_info sata_drive_info_t;
231 
232 _NOTE(SCHEME_PROTECTS_DATA("unshared data", sata_drive_info))
233 
234 
235 /* Port Multiplier & host port info and state */
236 struct sata_pmult_info {
237 	sata_address_t	pmult_addr;		/* this PMult SATA Address */
238 	kmutex_t	pmult_mutex;		/* pmult (host port) mutex */
239 
240 						/*
241 						 * PMult state flags
242 						 * SATA_STATE_UNKNOWN
243 						 * SATA_STATE_PROBING
244 						 * SATA_STATE_PROBED
245 						 * SATA_STATE_READY
246 						 * SATA_PSTATE_FAILED
247 						 */
248 	uint32_t	pmult_state;
249 	uint32_t	pmult_event_flags;	/* Undefined for now */
250 	struct sata_port_scr pmult_scr;		/* Host port SCR block */
251 	uint32_t	pmult_num_dev_ports; 	/* Number of data ports */
252 	struct sata_pmport_info	*pmult_dev_port[SATA_MAX_PMPORTS - 1];
253 };
254 
255 typedef	struct sata_pmult_info sata_pmult_info_t;
256 
257 /* Port Multiplier's device port info & state */
258 struct sata_pmport_info {
259 	sata_address_t	pmport_addr;		/* this SATA port address */
260 	kmutex_t	pmport_mutex;		/* pmult device port mutex */
261 
262 						/*
263 						 * Port state flags
264 						 * SATA_STATE_UNKNOWN
265 						 * SATA_STATE_PROBING
266 						 * SATA_STATE_PROBED
267 						 * SATA_STATE_READY
268 						 * SATA_PSTATE_PWRON
269 						 * SATA_PSTATE_PWROFF
270 						 * SATA_PSTATE_SHUTDOWN
271 						 * SATA_PSTATE_FAILED
272 						 */
273 	uint32_t	pmport_state;
274 
275 						/*
276 						 * Port event flags:
277 						 * SATA_EVNT_DEVICE_ATTACHED
278 						 * SATA_EVNT_DEVICE_DETACHED
279 						 * SATA_EVNT_LINK_LOST
280 						 * SATA_EVNT_LINK_ESTABLISHED
281 						 * SATA_EVNT_PORT_FAILED
282 						 * SATA_EVNT_PWR_LEVEL_CHANGED
283 						 */
284 	uint32_t	pmport_event_flags;
285 
286 	struct sata_port_scr pmport_scr;	/* PMult device port scr */
287 
288 						/*
289 						 * Attached device type:
290 						 * SATA_DTYPE_NONE
291 						 * SATA_DTYPE_ATADISK
292 						 * SATA_DTYPE_ATAPICD
293 						 * SATA_DTYPE_ATAPITAPE
294 						 * SATA_DTYPE_UNKNOWN
295 						 */
296 	uint32_t	pmport_dev_type;
297 
298 	struct sata_drive_info	*pmport_sata_drive; /* Attached drive info */
299 
300 						/* lbolt value at link lost */
301 	clock_t		pmport_link_lost_time;
302 						/* lbolt value @ dev attached */
303 	clock_t		pmport_dev_attach_time;
304 
305 	struct sata_port_stats	pmport_stats;	/* Port statistics */
306 
307 	boolean_t	pmport_tgtnode_clean;	/* Target node usable */
308 };
309 
310 typedef	struct sata_pmport_info sata_pmport_info_t;
311 
312 /*
313  * Port SSTATUS register (sata_port_scr sport_sstatus field).
314  * Link bits are valid only in port active state.
315  */
316 #define	SATA_PORT_DEVLINK_UP	0x00000103	/* Link with dev established */
317 #define	SATA_PORT_DEVLINK_UP_MASK 0x0000010F	/* Mask for link bits */
318 
319 /*
320  * Port state clear mask (cport_state and pmport_state fields).
321  * SATA_PSTATE_SHUTDOWN and power state are preserved.
322  */
323 #define	SATA_PORT_STATE_CLEAR_MASK	(~(SATA_PSTATE_SHUTDOWN))
324 
325 /*
326  * Valid i.e.supported device types mask (cport_dev_type, satadrv_type,
327  * pmult_dev_type fields).
328  * ATA disks and ATAPI CD/DVD now.
329  */
330 #define	SATA_VALID_DEV_TYPE	(SATA_DTYPE_ATADISK | \
331 				SATA_DTYPE_ATAPICD | \
332 				SATA_DTYPE_ATAPITAPE)
333 
334 /*
335  * Device feature_support (satadrv_features_support)
336  */
337 #define	SATA_DEV_F_DMA			0x01
338 #define	SATA_DEV_F_LBA28		0x02
339 #define	SATA_DEV_F_LBA48		0x04
340 #define	SATA_DEV_F_NCQ			0x08
341 #define	SATA_DEV_F_SATA1		0x10
342 #define	SATA_DEV_F_SATA2		0x20
343 #define	SATA_DEV_F_TCQ			0x40	/* Non NCQ tagged queuing */
344 
345 /*
346  * Device features enabled (satadrv_features_enabled)
347  */
348 #define	SATA_DEV_F_E_TAGGED_QING	0x01	/* Tagged queuing enabled */
349 #define	SATA_DEV_F_E_UNTAGGED_QING	0x02	/* Untagged queuing enabled */
350 
351 /*
352  * Drive settings flags (satdrv_settings)
353  */
354 #define	SATA_DEV_READ_AHEAD		0x0001	/* Read Ahead enabled */
355 #define	SATA_DEV_WRITE_CACHE		0x0002	/* Write cache ON */
356 #define	SATA_DEV_DMA			0x0004	/* DMA selected */
357 #define	SATA_DEV_SERIAL_FEATURES 	0x8000	/* Serial ATA feat. enabled */
358 #define	SATA_DEV_ASYNCH_NOTIFY		0x2000	/* Asynch-event enabled */
359 #define	SATA_DEV_RMSN			0x0100	/* Rem Media Stat Notfc enbl */
360 
361 /*
362  * Internal event and flags.
363  * These flags are set in the *_event_flags fields of various structures.
364  * Events and lock flags defined below are used internally by the
365  * SATA framework (they are not reported by SATA HBA drivers).
366  */
367 #define	SATA_EVNT_MAIN			0x80000000
368 #define	SATA_EVNT_SKIP			0x40000000
369 #define	SATA_EVNT_INPROC_DEVICE_RESET	0x08000000
370 #define	SATA_EVNT_CLEAR_DEVICE_RESET	0x04000000
371 #define	SATA_EVNT_TARGET_NODE_CLEANUP	0x00000100
372 #define	SATA_EVNT_AUTOONLINE_DEVICE	0x00000200
373 
374 /*
375  * Lock flags - used to serialize configuration operations
376  * on ports and devices.
377  * SATA_EVNT_LOCK_PORT_BUSY is set by event daemon to prevent
378  * simultaneous cfgadm operations.
379  * SATA_APCTL_LOCK_PORT_BUSY is set by cfgadm ioctls to prevent
380  * simultaneous event processing.
381  */
382 #define	SATA_EVNT_LOCK_PORT_BUSY	0x00800000
383 #define	SATA_APCTL_LOCK_PORT_BUSY	0x00400000
384 
385 /* Mask for port events */
386 #define	SATA_EVNT_PORT_EVENTS		(SATA_EVNT_DEVICE_ATTACHED | \
387 					SATA_EVNT_DEVICE_DETACHED | \
388 					SATA_EVNT_LINK_LOST | \
389 					SATA_EVNT_LINK_ESTABLISHED | \
390 					SATA_EVNT_PORT_FAILED | \
391 					SATA_EVNT_TARGET_NODE_CLEANUP | \
392 					SATA_EVNT_AUTOONLINE_DEVICE)
393 /* Mask for drive events */
394 #define	SATA_EVNT_DRIVE_EVENTS		(SATA_EVNT_DEVICE_RESET | \
395 					SATA_EVNT_INPROC_DEVICE_RESET)
396 #define	SATA_EVNT_CONTROLLER_EVENTS	SATA_EVNT_PWR_LEVEL_CHANGED
397 
398 /* Delays and timeout duration definitions */
399 #define	SATA_EVNT_DAEMON_SLEEP_TIME	50000	/* 50 ms */
400 #define	SATA_EVNT_DAEMON_TERM_TIMEOUT	100000	/* 100 ms */
401 #define	SATA_EVNT_DAEMON_TERM_WAIT	60000000 /* 60 s */
402 #define	SATA_EVNT_LINK_LOST_TIMEOUT	1000000	/* 1 s */
403 
404 #define	SATA_DEV_IDENTIFY_TIMEOUT	60000000 /* 60 s, device enumeration */
405 #define	SATA_DEV_REPROBE_TIMEOUT	30000000  /* 30 s, dev resp after rst */
406 #define	SATA_DEV_RETRY_DLY		10000	/* 10 ms */
407 
408 /* DEVICE IDENTIFY and device initialization retry delay */
409 #define	SATA_DEV_IDENTIFY_RETRY		1
410 #define	SATA_DEV_IDENTIFY_NORETRY	0
411 
412 /*
413  * sata_scsi's hba_open_flag: field indicating open devctl instance.
414  *	0 = closed, 1 = shared open, 2 = exclusive open.
415  */
416 #define	SATA_DEVCTL_CLOSED	0
417 #define	SATA_DEVCTL_SOPENED	1
418 #define	SATA_DEVCTL_EXOPENED	2
419 
420 /*
421  * sata_pkt_txlate structure contains info about resources allocated
422  * for the packet
423  * Address of this structure is stored in scsi_pkt.pkt_ha_private and
424  * in sata_pkt.sata_hba_private fields, so all three strucures are
425  * cross-linked, with sata_pkt_txlate as a centerpiece.
426  */
427 
428 typedef struct sata_pkt_txlate {
429 	struct sata_hba_inst	*txlt_sata_hba_inst;
430 	struct scsi_pkt		*txlt_scsi_pkt;
431 	struct sata_pkt		*txlt_sata_pkt;
432 	ddi_dma_handle_t	txlt_buf_dma_handle;
433 	uint_t			txlt_flags;	/* data-in / data-out */
434 	uint_t			txlt_num_dma_win; /* number of DMA windows */
435 	uint_t			txlt_cur_dma_win; /* current DMA window */
436 
437 				/* cookies in the current DMA window */
438 	uint_t			txlt_curwin_num_dma_cookies;
439 
440 				/* processed dma cookies in current DMA win */
441 	uint_t			txlt_curwin_processed_dma_cookies;
442 	size_t			txlt_total_residue;
443 	ddi_dma_cookie_t	txlt_dma_cookie; /* default dma cookie */
444 	int			txlt_dma_cookie_list_len; /* alloc list len */
445 	ddi_dma_cookie_t 	*txlt_dma_cookie_list; /* dma cookie list */
446 	int			txlt_num_dma_cookies; /* dma cookies in list */
447 
448 				/* temporary buffer access handle */
449 	ddi_acc_handle_t	txlt_tmp_buf_handle;
450 	caddr_t			txlt_tmp_buf;	/* temp buffer address */
451 } sata_pkt_txlate_t;
452 
453 _NOTE(SCHEME_PROTECTS_DATA("unshared data", sata_pkt_txlate))
454 _NOTE(SCHEME_PROTECTS_DATA("unshared data", scsi_pkt))
455 
456 
457 /*
458  * Additional scsi sense code definitions.
459  * These definition should eventually be moved to scsi header file
460  * usr/src/uts/common/sys/scsi/generic/sense.h
461  */
462 #define	SD_SCSI_ASC_NO_ADD_SENSE			0x00
463 #define	SD_SCSI_ASC_LU_NOT_READY			0x04
464 #define	SD_SCSI_ASC_WRITE_ERR				0x0c
465 #define	SD_SCSI_ASC_UNREC_READ_ERR			0x11
466 #define	SD_SCSI_ASC_INVALID_COMMAND_CODE		0x20
467 #define	SD_SCSI_ASC_LBA_OUT_OF_RANGE			0x21
468 #define	SD_SCSI_ASC_INVALID_FIELD_IN_CDB		0x24
469 #define	SD_SCSI_ASC_INVALID_FIELD_IN_PARAMS_LIST 	0x26
470 #define	SD_SCSI_ASC_RESET				0x29
471 #define	SD_SCSI_ASC_SAVING_PARAMS_NOT_SUPPORTED		0x39
472 
473 
474 /* SCSI defs missing from scsi headers */
475 /* Missing from sys/scsi/generic/commands.h */
476 #define	SCMD_SYNCHRONIZE_CACHE_G1		0x91
477 /*
478  * Missing from sys/scsi/impl/mode.h, although defined
479  * in sys/scsi/targets/sddefs.h as MODEPAGE_ERR_RECOV
480  */
481 #define	MODEPAGE_RW_ERRRECOV			0x01 /* read/write recovery */
482 
483 /*
484  * Macros for accessing various structure fields
485  */
486 
487 #define	SATA_TRAN(sata_hba_inst) \
488 	sata_hba_inst->satahba_tran
489 
490 #define	SATA_DIP(sata_hba_inst) \
491 	sata_hba_inst->satahba_dip
492 
493 #define	SATA_NUM_CPORTS(sata_hba_inst) \
494 	sata_hba_inst->satahba_tran->sata_tran_hba_num_cports
495 
496 #define	SATA_QDEPTH(sata_hba_inst) \
497 	sata_hba_inst->satahba_tran->sata_tran_hba_qdepth
498 
499 #define	SATA_FEATURES(sata_hba_inst) \
500 	sata_hba_inst->satahba_tran->sata_tran_hba_features_support
501 
502 #define	SATA_DMA_ATTR(sata_hba_inst) \
503 	sata_hba_inst->satahba_tran->sata_tran_hba_dma_attr
504 
505 #define	SATA_START_FUNC(sata_hba_inst) \
506 	sata_hba_inst->satahba_tran->sata_tran_start
507 
508 #define	SATA_ABORT_FUNC(sata_hba_inst) \
509 	sata_hba_inst->satahba_tran->sata_tran_abort
510 
511 #define	SATA_RESET_DPORT_FUNC(sata_hba_inst) \
512 	sata_hba_inst->satahba_tran->sata_tran_reset_dport
513 
514 #define	SATA_PORT_DEACTIVATE_FUNC(sata_hba_inst) \
515 	(sata_hba_inst->satahba_tran->sata_tran_hotplug_ops == NULL ? \
516 	NULL : \
517 	sata_hba_inst->satahba_tran->sata_tran_hotplug_ops->\
518 	sata_tran_port_deactivate)
519 
520 #define	SATA_PORT_ACTIVATE_FUNC(sata_hba_inst) \
521 	(sata_hba_inst->satahba_tran->sata_tran_hotplug_ops == NULL ? \
522 	NULL : \
523 	sata_hba_inst->satahba_tran->sata_tran_hotplug_ops->\
524 	sata_tran_port_activate)
525 
526 #define	SATA_PROBE_PORT_FUNC(sata_hba_inst) \
527 	sata_hba_inst->satahba_tran->sata_tran_probe_port
528 
529 #define	SATA_SELFTEST_FUNC(sata_hba_inst) \
530 	sata_hba_inst->satahba_tran->sata_tran_selftest
531 
532 #define	SATA_CPORT_MUTEX(sata_hba_inst, cport) \
533 	sata_hba_inst->satahba_dev_port[cport]->cport_mutex
534 
535 #define	SATA_CPORT_INFO(sata_hba_inst, cport) \
536 	sata_hba_inst->satahba_dev_port[cport]
537 
538 #define	SATA_CPORT_STATE(sata_hba_inst, cport) \
539 	sata_hba_inst->satahba_dev_port[cport]->cport_state
540 
541 #define	SATA_CPORT_EVENT_FLAGS(sata_hba_inst, cport) \
542 	sata_hba_inst->satahba_dev_port[cport]->cport_event_flags
543 
544 #define	SATA_CPORT_SCR(sata_hba_inst, cport) \
545 	sata_hba_inst->satahba_dev_port[cport]->cport_scr
546 
547 #define	SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) \
548 	sata_hba_inst->satahba_dev_port[cport]->cport_dev_type
549 
550 #define	SATA_CPORT_DRV_INFO(sata_hba_inst, cport) \
551 	sata_hba_inst->satahba_dev_port[cport]->cport_devp.cport_sata_drive
552 
553 #define	SATA_CPORTINFO_DRV_TYPE(cportinfo) \
554 	cportinfo->cport_dev_type
555 
556 #define	SATA_CPORTINFO_DRV_INFO(cportinfo) \
557 	cportinfo->cport_devp.cport_sata_drive
558 
559 #define	SATA_CPORTINFO_PMULT_INFO(cportinfo) \
560 	cportinfo->cport_devp.cport_sata_pmult
561 
562 #define	SATA_PMULT_INFO(sata_hba_inst, cport) \
563 	sata_hba_inst->satahba_dev_port[cport]->cport_devp.cport_sata_pmult
564 
565 #define	SATA_NUM_PMPORTS(sata_hba_inst, cport) \
566 	sata_hba_inst->satahba_dev_port[cport]->\
567 	cport_devp.cport_sata_pmult->pmult_num_dev_ports
568 
569 #define	SATA_PMPORT_INFO(sata_hba_inst, cport, pmport) \
570 	sata_hba_inst->satahba_dev_port[cport]->\
571 	cport_devp.cport_sata_pmult->pmult_dev_port[pmport]
572 
573 #define	SATA_PMPORT_DRV_INFO(sata_hba_inst, cport, pmport) \
574 	sata_hba_inst->satahba_dev_port[cport]->\
575 	cport_devp.cport_sata_pmult->pmult_dev_port[pmport]->\
576 	pmport_sata_drive
577 
578 #define	SATA_PMPORT_STATE(sata_hba_inst, cport, pmport) \
579 	sata_hba_inst->satahba_dev_port[cport]->\
580 	cport_devp.cport_sata_pmult->pmult_dev_port[pmport]->pmport_state
581 
582 #define	SATA_PMPORT_SCR(sata_hba_inst, cport, pmport) \
583 	sata_hba_inst->satahba_dev_port[cport]->\
584 	cport_devp.cport_sata_pmult->pmult_dev_port[pmport]->pmport_scr
585 
586 #define	SATA_PMPORT_DEV_TYPE(sata_hba_inst, cport, pmport) \
587 	sata_hba_inst->satahba_dev_port[cport]->\
588 	cport_devp.cport_sata_pmult->pmult_dev_port[pmport]->pmport_dev_type
589 
590 #define	SATA_PMPORTINFO_DRV_TYPE(pmportinfo) \
591 	pmportinfo->pmport_dev_type
592 
593 #define	SATA_PMPORTINFO_DRV_INFO(pmportinfo) \
594 	pmportinfo->pmport_sata_drive
595 
596 #define	SATA_TXLT_HBA_INST(spx) \
597 	spx->txlt_sata_hba_inst
598 
599 #define	SATA_TXLT_CPORT(spx) \
600 	spx->txlt_sata_pkt->satapkt_device.satadev_addr.cport
601 
602 #define	SATA_TXLT_CPORT_MUTEX(spx) \
603 	spx->txlt_sata_hba_inst->\
604 	satahba_dev_port[spx->txlt_sata_pkt->\
605 	satapkt_device.satadev_addr.cport]->cport_mutex
606 
607 #define	SATA_TXLT_TASKQ(spx) \
608 	spx->txlt_sata_hba_inst->\
609 	satahba_taskq
610 
611 /*
612  * Minor number construction for devctl and attachment point nodes.
613  * All necessary information has to be encoded in NBITSMINOR32 bits.
614  *
615  * Devctl node minor number:
616  * ((controller_instance << SATA_CNTRL_INSTANCE_SHIFT) | SATA_DEVCTL_NODE)
617  *
618  * Attachment point node minor number has to include controller
619  * instance (7 bits), controller port number (5 bits) and port multiplier
620  * device port number (4 bits) and port multiplier device port
621  * indicator (1 bit).  Additionally, a single bit is used to
622  * differentiate between attachment point node and device control node.
623  *
624  * Attachment point minor number:
625  * ((controller_instance << SATA_CNTRL_INSTANCE_SHIFT) | SATA_AP_NODE |
626  * [(port_multiplier_device_port << SATA_PMULT_PORT_SHIFT) | SATA_PMULT_AP] |
627  * (controller_port))
628  *
629  * 17 bits are used (if 64 instances of controllers are expected)
630  * bit 18 is reserved for future use.
631  *
632  *   --------------------------------------------------------
633  *   |17|16|15|14|13|12|11|10 |09|08|07|06|05|04|03|02|01|00|
634  *   --------------------------------------------------------
635  *   | R| c| c| c| c| c| c|a/d|pm|pp|pp|pp|pp|cp|cp|cp|cp|cp|
636  *   --------------------------------------------------------
637  * Where:
638  * cp  - device port number on the HBA SATA controller
639  * pp  - device port number on the port multiplier
640  * pm  - 0 - target attached to controller device port
641  *       1 - target attached to port multiplier's device port
642  * a/d - 0 - devctl node
643  *       1 - attachment point node
644  * c   - controller number
645  * R   - reserved bit
646  */
647 
648 #define	SATA_AP_NODE		0x400		/* Attachment Point node */
649 #define	SATA_DEVCTL_NODE	0x000		/* DEVCTL node */
650 #define	SATA_PMULT_AP		0x200		/* device on PMult port */
651 #define	SATA_PMULT_PORT_SHIFT	5
652 #define	SATA_CNTRL_INSTANCE_SHIFT 11
653 #define	SATA_CPORT_MASK		0x1f		/* 32 device ports */
654 #define	SATA_PMULT_PORT_MASK	0xf		/* 15 device ports */
655 #define	SATA_CNTRL_INSTANCE_MASK 0x03F		/* 64 controllers */
656 
657 /* Macro for creating devctl node minor number */
658 #define	SATA_MAKE_DEVCTL_MINOR(controller_instance) \
659 	((controller_instance << SATA_CNTRL_INSTANCE_SHIFT) | \
660 	SATA_DEVCTL_NODE)
661 
662 /* Macro for creating an attachment point node minor number */
663 #define	SATA_MAKE_AP_MINOR(cntrl_instance, cport, pmport, qual) \
664 	(qual & (SATA_ADDR_PMPORT | SATA_ADDR_DPMPORT) ? \
665 	(((cntrl_instance) << SATA_CNTRL_INSTANCE_SHIFT) | \
666 	SATA_AP_NODE | SATA_PMULT_AP | \
667 	(pmport << SATA_PMULT_PORT_SHIFT) | cport) : \
668 	(((cntrl_instance) << SATA_CNTRL_INSTANCE_SHIFT) | \
669 	SATA_AP_NODE | cport))
670 
671 /* Macro retrieving controller number from a minor number */
672 #define	SATA_MINOR2INSTANCE(minor) \
673 	((minor >> SATA_CNTRL_INSTANCE_SHIFT) & SATA_CNTRL_INSTANCE_MASK)
674 
675 /*
676  * Macro for creating an attachment point number from sata address.
677  * Address qualifier has to be one of:
678  * SATA_ADDR_DCPORT, SATA_ADDR_DPMPORT, SATA_ADDR_CPORT or SATA_ADDR_PMPORT
679  */
680 #define	SATA_MAKE_AP_NUMBER(cport, pmport, qual) \
681 	((qual & (SATA_ADDR_PMPORT | SATA_ADDR_DPMPORT)) ? \
682 	(SATA_PMULT_AP | (pmport << SATA_PMULT_PORT_SHIFT) | cport) : \
683 	(cport))
684 
685 /*
686  * SCSI target number format
687  *
688  *   -------------------------------
689  *   | 9| 8| 7| 6| 5| 4| 3| 2| 1| 0|    Bit number
690  *   -------------------------------
691  *   |pm|pp|pp|pp|pp|cp|cp|cp|cp|cp|
692  *   -------------------------------
693  * Where:
694  * cp  - device port number on the HBA SATA controller
695  * pp  - device port number on the port multiplier
696  * pm  - 0 - target attached to controller device port
697  *       1 - target attached to port multiplier's device port
698  */
699 
700 /* SATA ports to SCSI target number translation */
701 
702 #define	SATA_TO_SCSI_TARGET(cport, pmport, qual) \
703 	(qual == SATA_ADDR_DCPORT ? cport : \
704 	(cport | (pmport << SATA_PMULT_PORT_SHIFT) | SATA_PMULT_AP))
705 
706 /* SCSI target number to SATA cntrl/pmport/cport translations */
707 #define	SCSI_TO_SATA_CPORT(scsi_target) \
708 	(scsi_target & SATA_CPORT_MASK)
709 
710 #define	SCSI_TO_SATA_PMPORT(scsi_target) \
711 	((scsi_target >> SATA_PMULT_PORT_SHIFT) & SATA_PMULT_PORT_MASK)
712 
713 #define	SCSI_TO_SATA_ADDR_QUAL(scsi_target) \
714 	((scsi_target & SATA_PMULT_AP) ? SATA_ADDR_DPMPORT : \
715 	SATA_ADDR_DCPORT)
716 
717 
718 /* Debug flags */
719 #if	DEBUG
720 
721 #define	SATA_DEBUG
722 #define	SATA_DBG_SCSI_IF	1
723 #define	SATA_DBG_HBA_IF		2
724 #define	SATA_DBG_NODES		4
725 #define	SATA_DBG_IOCTL_IF	8
726 #define	SATA_DBG_EVENTS		0x10
727 #define	SATA_DBG_EVENTS_PROC	0x20
728 #define	SATA_DBG_EVENTS_PROCPST	0x40
729 #define	SATA_DBG_EVENTS_CNTRL	0x80
730 #define	SATA_DBG_EVENTS_DAEMON	0x100
731 #define	SATA_DBG_DMA_SETUP	0x400
732 #define	SATA_DBG_DEV_SETTINGS	0x800
733 #define	SATA_DBG_ATAPI		0x1000
734 #define	SATA_DBG_ATAPI_PACKET	0x8000
735 #define	SATA_DBG_INTR_CTX	0x10000
736 
737 typedef struct sata_atapi_cmd {
738 	uint8_t acdb[SATA_ATAPI_MAX_CDB_LEN];
739 	uint8_t arqs[SATA_ATAPI_RQSENSE_LEN];
740 	uint_t sata_pkt_reason;
741 	uint_t scsi_pkt_reason;
742 } sata_atapi_cmd_t;
743 
744 /* Debug macros */
745 #define	SATADBG1(flag, sata, format, arg1) \
746 	if (sata_debug_flags & (flag)) { \
747 		sata_log(sata, CE_CONT, format, arg1); \
748 	}
749 
750 #define	SATADBG2(flag, sata, format, arg1, arg2) \
751 	if (sata_debug_flags & (flag)) { \
752 		sata_log(sata, CE_CONT, format, arg1, arg2); \
753 	}
754 
755 #define	SATADBG3(flag, sata, format, arg1, arg2, arg3) \
756 	if (sata_debug_flags & (flag)) { \
757 		sata_log(sata, CE_CONT, format, arg1, arg2, arg3); \
758 	}
759 #else
760 
761 #define	SATADBG1(flag, dip, frmt, arg1)
762 #define	SATADBG2(flag, dip, frmt, arg1, arg2)
763 #define	SATADBG3(flag, dip, frmt, arg1, arg2, arg3)
764 
765 #endif
766 
767 /* sata_rev_tag 1.41 */
768 
769 #ifdef	__cplusplus
770 }
771 #endif
772 
773 #endif /* _SATA_H */
774