xref: /titanic_41/usr/src/uts/common/sys/sata/impl/sata.h (revision ef287aad55c36c55e43651ee7ec7aa169b89408d)
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_ATAPIDISK
158 						 * SATA_DTYPE_PMULT
159 						 * SATA_DTYPE_UNKNOWN
160 						 */
161 	uint32_t		cport_dev_type;
162 	union {
163 	    struct sata_drive_info *cport_sata_drive; /* Attached drive info */
164 	    struct sata_pmult_info *cport_sata_pmult; /* Attached Port Mult */
165 	} 			cport_devp;
166 						/* lbolt value at link lost */
167 	clock_t			cport_link_lost_time;
168 						/* lbolt value @ dev attached */
169 	clock_t			cport_dev_attach_time;
170 
171 	struct sata_port_stats	cport_stats;	/* Port statistics */
172 
173 	boolean_t		cport_tgtnode_clean; /* Target node usable */
174 };
175 
176 typedef struct sata_cport_info sata_cport_info_t;
177 
178 /*
179  * Attached SATA drive info and state.
180  * This structure is pointed to by sata_cport_info's cport_sata_drive field
181  * when a drive is attached directly to a controller device port.
182  */
183 struct sata_drive_info {
184 	sata_address_t	satadrv_addr;		/* this drive SATA address */
185 
186 						/*
187 						 * Drive state flags
188 						 * SATA_STATE_UNKNOWN
189 						 * SATA_STATE_PROBING
190 						 * SATA_STATE_PROBED
191 						 * SATA_STATE_READY
192 						 * SATA_DSTATE_PWR_ACTIVE
193 						 * SATA_DSTATE_PWR_IDLE
194 						 * SATA_DSTATE_RESET
195 						 * SATA_DSTATE_FAILED
196 						 */
197 	uint32_t	satadrv_state;
198 
199 						/*
200 						 * drive event flags:
201 						 * SATA_EVNT_DRIVE_RESET
202 						 */
203 	uint32_t	satadrv_event_flags;
204 						/*
205 						 * lbolt value @ start of
206 						 * device reset processing
207 						 */
208 	clock_t		satadrv_reset_time;
209 						/*
210 						 * Attached device type:
211 						 * SATA_DTYPE_ATADISK
212 						 * SATA_DTYPE_ATAPICD
213 						 * SATA_DTYPE_ATAPITAPE
214 						 * SATA_DTYPE_ATAPIDISK
215 						 */
216 	uint32_t	satadrv_type;
217 
218 	uint32_t	satadrv_status_reg;	/* drive status reg */
219 	uint32_t	satadrv_error_reg;	/* drive error reg */
220 	uint16_t	satadrv_features_support; /* drive features support */
221 	uint16_t	satadrv_queue_depth;    /* drive queue depth */
222 	uint16_t	satadrv_atapi_cdb_len;	/* atapi supported cdb length */
223 	uint16_t	satadrv_atapi_trans_ver; /* atapi transport version */
224 	uint16_t	satadrv_settings;	/* drive settings flags */
225 	uint16_t	satadrv_features_enabled; /* drive features enabled */
226 	uint64_t	satadrv_capacity;	/* drive capacity */
227 	uint64_t	satadrv_max_queue_depth; /* maximum queue depth */
228 	sata_id_t	satadrv_id;		/* Device Identify Data */
229 	struct sata_drive_stats satadrv_stats;	/* drive statistics */
230 };
231 
232 typedef struct sata_drive_info sata_drive_info_t;
233 
234 _NOTE(SCHEME_PROTECTS_DATA("unshared data", sata_drive_info))
235 
236 
237 /* Port Multiplier & host port info and state */
238 struct sata_pmult_info {
239 	sata_address_t	pmult_addr;		/* this PMult SATA Address */
240 	kmutex_t	pmult_mutex;		/* pmult (host port) mutex */
241 
242 						/*
243 						 * PMult state flags
244 						 * SATA_STATE_UNKNOWN
245 						 * SATA_STATE_PROBING
246 						 * SATA_STATE_PROBED
247 						 * SATA_STATE_READY
248 						 * SATA_PSTATE_FAILED
249 						 */
250 	uint32_t	pmult_state;
251 	uint32_t	pmult_event_flags;	/* Undefined for now */
252 	struct sata_port_scr pmult_scr;		/* Host port SCR block */
253 	uint32_t	pmult_num_dev_ports; 	/* Number of data ports */
254 	struct sata_pmport_info	*pmult_dev_port[SATA_MAX_PMPORTS - 1];
255 };
256 
257 typedef	struct sata_pmult_info sata_pmult_info_t;
258 
259 /* Port Multiplier's device port info & state */
260 struct sata_pmport_info {
261 	sata_address_t	pmport_addr;		/* this SATA port address */
262 	kmutex_t	pmport_mutex;		/* pmult device port mutex */
263 
264 						/*
265 						 * Port state flags
266 						 * SATA_STATE_UNKNOWN
267 						 * SATA_STATE_PROBING
268 						 * SATA_STATE_PROBED
269 						 * SATA_STATE_READY
270 						 * SATA_PSTATE_PWRON
271 						 * SATA_PSTATE_PWROFF
272 						 * SATA_PSTATE_SHUTDOWN
273 						 * SATA_PSTATE_FAILED
274 						 */
275 	uint32_t	pmport_state;
276 
277 						/*
278 						 * Port event flags:
279 						 * SATA_EVNT_DEVICE_ATTACHED
280 						 * SATA_EVNT_DEVICE_DETACHED
281 						 * SATA_EVNT_LINK_LOST
282 						 * SATA_EVNT_LINK_ESTABLISHED
283 						 * SATA_EVNT_PORT_FAILED
284 						 * SATA_EVNT_PWR_LEVEL_CHANGED
285 						 */
286 	uint32_t	pmport_event_flags;
287 
288 	struct sata_port_scr pmport_scr;	/* PMult device port scr */
289 
290 						/*
291 						 * Attached device type:
292 						 * SATA_DTYPE_NONE
293 						 * SATA_DTYPE_ATADISK
294 						 * SATA_DTYPE_ATAPICD
295 						 * SATA_DTYPE_ATAPITAPE
296 						 * SATA_DTYPE_ATAPIDISK
297 						 * SATA_DTYPE_UNKNOWN
298 						 */
299 	uint32_t	pmport_dev_type;
300 
301 	struct sata_drive_info	*pmport_sata_drive; /* Attached drive info */
302 
303 						/* lbolt value at link lost */
304 	clock_t		pmport_link_lost_time;
305 						/* lbolt value @ dev attached */
306 	clock_t		pmport_dev_attach_time;
307 
308 	struct sata_port_stats	pmport_stats;	/* Port statistics */
309 
310 	boolean_t	pmport_tgtnode_clean;	/* Target node usable */
311 };
312 
313 typedef	struct sata_pmport_info sata_pmport_info_t;
314 
315 /*
316  * Port SSTATUS register (sata_port_scr sport_sstatus field).
317  * Link bits are valid only in port active state.
318  */
319 #define	SATA_PORT_DEVLINK_UP	0x00000103	/* Link with dev established */
320 #define	SATA_PORT_DEVLINK_UP_MASK 0x0000010F	/* Mask for link bits */
321 
322 /*
323  * Port state clear mask (cport_state and pmport_state fields).
324  * SATA_PSTATE_SHUTDOWN and power state are preserved.
325  */
326 #define	SATA_PORT_STATE_CLEAR_MASK	(~(SATA_PSTATE_SHUTDOWN))
327 
328 /*
329  * Valid i.e.supported device types mask (cport_dev_type, satadrv_type,
330  * pmult_dev_type fields).
331  * ATA disks and ATAPI CD/DVD now.
332  */
333 #define	SATA_VALID_DEV_TYPE	(SATA_DTYPE_ATADISK | \
334 				SATA_DTYPE_ATAPICD | \
335 				SATA_DTYPE_ATAPITAPE | \
336 				SATA_DTYPE_ATAPIDISK)
337 
338 /*
339  * Device feature_support (satadrv_features_support)
340  */
341 #define	SATA_DEV_F_DMA			0x01
342 #define	SATA_DEV_F_LBA28		0x02
343 #define	SATA_DEV_F_LBA48		0x04
344 #define	SATA_DEV_F_NCQ			0x08
345 #define	SATA_DEV_F_SATA1		0x10
346 #define	SATA_DEV_F_SATA2		0x20
347 #define	SATA_DEV_F_TCQ			0x40	/* Non NCQ tagged queuing */
348 
349 /*
350  * Device features enabled (satadrv_features_enabled)
351  */
352 #define	SATA_DEV_F_E_TAGGED_QING	0x01	/* Tagged queuing enabled */
353 #define	SATA_DEV_F_E_UNTAGGED_QING	0x02	/* Untagged queuing enabled */
354 
355 /*
356  * Drive settings flags (satdrv_settings)
357  */
358 #define	SATA_DEV_READ_AHEAD		0x0001	/* Read Ahead enabled */
359 #define	SATA_DEV_WRITE_CACHE		0x0002	/* Write cache ON */
360 #define	SATA_DEV_DMA			0x0004	/* DMA selected */
361 #define	SATA_DEV_SERIAL_FEATURES 	0x8000	/* Serial ATA feat. enabled */
362 #define	SATA_DEV_ASYNCH_NOTIFY		0x2000	/* Asynch-event enabled */
363 #define	SATA_DEV_RMSN			0x0100	/* Rem Media Stat Notfc enbl */
364 
365 /*
366  * Internal event and flags.
367  * These flags are set in the *_event_flags fields of various structures.
368  * Events and lock flags defined below are used internally by the
369  * SATA framework (they are not reported by SATA HBA drivers).
370  */
371 #define	SATA_EVNT_MAIN			0x80000000
372 #define	SATA_EVNT_SKIP			0x40000000
373 #define	SATA_EVNT_INPROC_DEVICE_RESET	0x08000000
374 #define	SATA_EVNT_CLEAR_DEVICE_RESET	0x04000000
375 #define	SATA_EVNT_TARGET_NODE_CLEANUP	0x00000100
376 #define	SATA_EVNT_AUTOONLINE_DEVICE	0x00000200
377 
378 /*
379  * Lock flags - used to serialize configuration operations
380  * on ports and devices.
381  * SATA_EVNT_LOCK_PORT_BUSY is set by event daemon to prevent
382  * simultaneous cfgadm operations.
383  * SATA_APCTL_LOCK_PORT_BUSY is set by cfgadm ioctls to prevent
384  * simultaneous event processing.
385  */
386 #define	SATA_EVNT_LOCK_PORT_BUSY	0x00800000
387 #define	SATA_APCTL_LOCK_PORT_BUSY	0x00400000
388 
389 /* Mask for port events */
390 #define	SATA_EVNT_PORT_EVENTS		(SATA_EVNT_DEVICE_ATTACHED | \
391 					SATA_EVNT_DEVICE_DETACHED | \
392 					SATA_EVNT_LINK_LOST | \
393 					SATA_EVNT_LINK_ESTABLISHED | \
394 					SATA_EVNT_PORT_FAILED | \
395 					SATA_EVNT_TARGET_NODE_CLEANUP | \
396 					SATA_EVNT_AUTOONLINE_DEVICE)
397 /* Mask for drive events */
398 #define	SATA_EVNT_DRIVE_EVENTS		(SATA_EVNT_DEVICE_RESET | \
399 					SATA_EVNT_INPROC_DEVICE_RESET)
400 #define	SATA_EVNT_CONTROLLER_EVENTS	SATA_EVNT_PWR_LEVEL_CHANGED
401 
402 /* Delays and timeout duration definitions */
403 #define	SATA_EVNT_DAEMON_SLEEP_TIME	50000	/* 50 ms */
404 #define	SATA_EVNT_DAEMON_TERM_TIMEOUT	100000	/* 100 ms */
405 #define	SATA_EVNT_DAEMON_TERM_WAIT	60000000 /* 60 s */
406 #define	SATA_EVNT_LINK_LOST_TIMEOUT	1000000	/* 1 s */
407 
408 #define	SATA_DEV_IDENTIFY_TIMEOUT	60000000 /* 60 s, device enumeration */
409 #define	SATA_DEV_REPROBE_TIMEOUT	30000000  /* 30 s, dev resp after rst */
410 #define	SATA_DEV_RETRY_DLY		10000	/* 10 ms */
411 
412 /* DEVICE IDENTIFY and device initialization retry delay */
413 #define	SATA_DEV_IDENTIFY_RETRY		1
414 #define	SATA_DEV_IDENTIFY_NORETRY	0
415 
416 /*
417  * sata_scsi's hba_open_flag: field indicating open devctl instance.
418  *	0 = closed, 1 = shared open, 2 = exclusive open.
419  */
420 #define	SATA_DEVCTL_CLOSED	0
421 #define	SATA_DEVCTL_SOPENED	1
422 #define	SATA_DEVCTL_EXOPENED	2
423 
424 /*
425  * sata_pkt_txlate structure contains info about resources allocated
426  * for the packet
427  * Address of this structure is stored in scsi_pkt.pkt_ha_private and
428  * in sata_pkt.sata_hba_private fields, so all three strucures are
429  * cross-linked, with sata_pkt_txlate as a centerpiece.
430  */
431 
432 typedef struct sata_pkt_txlate {
433 	struct sata_hba_inst	*txlt_sata_hba_inst;
434 	struct scsi_pkt		*txlt_scsi_pkt;
435 	struct sata_pkt		*txlt_sata_pkt;
436 	ddi_dma_handle_t	txlt_buf_dma_handle;
437 	uint_t			txlt_flags;	/* data-in / data-out */
438 	uint_t			txlt_num_dma_win; /* number of DMA windows */
439 	uint_t			txlt_cur_dma_win; /* current DMA window */
440 
441 				/* cookies in the current DMA window */
442 	uint_t			txlt_curwin_num_dma_cookies;
443 
444 				/* processed dma cookies in current DMA win */
445 	uint_t			txlt_curwin_processed_dma_cookies;
446 	size_t			txlt_total_residue;
447 	ddi_dma_cookie_t	txlt_dma_cookie; /* default dma cookie */
448 	int			txlt_dma_cookie_list_len; /* alloc list len */
449 	ddi_dma_cookie_t 	*txlt_dma_cookie_list; /* dma cookie list */
450 	int			txlt_num_dma_cookies; /* dma cookies in list */
451 
452 				/* temporary buffer access handle */
453 	ddi_acc_handle_t	txlt_tmp_buf_handle;
454 	caddr_t			txlt_tmp_buf;	/* temp buffer address */
455 } sata_pkt_txlate_t;
456 
457 _NOTE(SCHEME_PROTECTS_DATA("unshared data", sata_pkt_txlate))
458 _NOTE(SCHEME_PROTECTS_DATA("unshared data", scsi_pkt))
459 
460 
461 /*
462  * Additional scsi sense code definitions.
463  * These definition should eventually be moved to scsi header file
464  * usr/src/uts/common/sys/scsi/generic/sense.h
465  */
466 #define	SD_SCSI_ASC_NO_ADD_SENSE			0x00
467 #define	SD_SCSI_ASC_LU_NOT_READY			0x04
468 #define	SD_SCSI_ASC_WRITE_ERR				0x0c
469 #define	SD_SCSI_ASC_UNREC_READ_ERR			0x11
470 #define	SD_SCSI_ASC_INVALID_COMMAND_CODE		0x20
471 #define	SD_SCSI_ASC_LBA_OUT_OF_RANGE			0x21
472 #define	SD_SCSI_ASC_INVALID_FIELD_IN_CDB		0x24
473 #define	SD_SCSI_ASC_INVALID_FIELD_IN_PARAMS_LIST 	0x26
474 #define	SD_SCSI_ASC_RESET				0x29
475 #define	SD_SCSI_ASC_SAVING_PARAMS_NOT_SUPPORTED		0x39
476 
477 
478 /* SCSI defs missing from scsi headers */
479 /* Missing from sys/scsi/generic/commands.h */
480 #define	SCMD_SYNCHRONIZE_CACHE_G1		0x91
481 /*
482  * Missing from sys/scsi/impl/mode.h, although defined
483  * in sys/scsi/targets/sddefs.h as MODEPAGE_ERR_RECOV
484  */
485 #define	MODEPAGE_RW_ERRRECOV			0x01 /* read/write recovery */
486 
487 /*
488  * Macros for accessing various structure fields
489  */
490 
491 #define	SATA_TRAN(sata_hba_inst) \
492 	sata_hba_inst->satahba_tran
493 
494 #define	SATA_DIP(sata_hba_inst) \
495 	sata_hba_inst->satahba_dip
496 
497 #define	SATA_NUM_CPORTS(sata_hba_inst) \
498 	sata_hba_inst->satahba_tran->sata_tran_hba_num_cports
499 
500 #define	SATA_QDEPTH(sata_hba_inst) \
501 	sata_hba_inst->satahba_tran->sata_tran_hba_qdepth
502 
503 #define	SATA_FEATURES(sata_hba_inst) \
504 	sata_hba_inst->satahba_tran->sata_tran_hba_features_support
505 
506 #define	SATA_DMA_ATTR(sata_hba_inst) \
507 	sata_hba_inst->satahba_tran->sata_tran_hba_dma_attr
508 
509 #define	SATA_START_FUNC(sata_hba_inst) \
510 	sata_hba_inst->satahba_tran->sata_tran_start
511 
512 #define	SATA_ABORT_FUNC(sata_hba_inst) \
513 	sata_hba_inst->satahba_tran->sata_tran_abort
514 
515 #define	SATA_RESET_DPORT_FUNC(sata_hba_inst) \
516 	sata_hba_inst->satahba_tran->sata_tran_reset_dport
517 
518 #define	SATA_PORT_DEACTIVATE_FUNC(sata_hba_inst) \
519 	(sata_hba_inst->satahba_tran->sata_tran_hotplug_ops == NULL ? \
520 	NULL : \
521 	sata_hba_inst->satahba_tran->sata_tran_hotplug_ops->\
522 	sata_tran_port_deactivate)
523 
524 #define	SATA_PORT_ACTIVATE_FUNC(sata_hba_inst) \
525 	(sata_hba_inst->satahba_tran->sata_tran_hotplug_ops == NULL ? \
526 	NULL : \
527 	sata_hba_inst->satahba_tran->sata_tran_hotplug_ops->\
528 	sata_tran_port_activate)
529 
530 #define	SATA_PROBE_PORT_FUNC(sata_hba_inst) \
531 	sata_hba_inst->satahba_tran->sata_tran_probe_port
532 
533 #define	SATA_SELFTEST_FUNC(sata_hba_inst) \
534 	sata_hba_inst->satahba_tran->sata_tran_selftest
535 
536 #define	SATA_CPORT_MUTEX(sata_hba_inst, cport) \
537 	sata_hba_inst->satahba_dev_port[cport]->cport_mutex
538 
539 #define	SATA_CPORT_INFO(sata_hba_inst, cport) \
540 	sata_hba_inst->satahba_dev_port[cport]
541 
542 #define	SATA_CPORT_STATE(sata_hba_inst, cport) \
543 	sata_hba_inst->satahba_dev_port[cport]->cport_state
544 
545 #define	SATA_CPORT_EVENT_FLAGS(sata_hba_inst, cport) \
546 	sata_hba_inst->satahba_dev_port[cport]->cport_event_flags
547 
548 #define	SATA_CPORT_SCR(sata_hba_inst, cport) \
549 	sata_hba_inst->satahba_dev_port[cport]->cport_scr
550 
551 #define	SATA_CPORT_DEV_TYPE(sata_hba_inst, cport) \
552 	sata_hba_inst->satahba_dev_port[cport]->cport_dev_type
553 
554 #define	SATA_CPORT_DRV_INFO(sata_hba_inst, cport) \
555 	sata_hba_inst->satahba_dev_port[cport]->cport_devp.cport_sata_drive
556 
557 #define	SATA_CPORTINFO_DRV_TYPE(cportinfo) \
558 	cportinfo->cport_dev_type
559 
560 #define	SATA_CPORTINFO_DRV_INFO(cportinfo) \
561 	cportinfo->cport_devp.cport_sata_drive
562 
563 #define	SATA_CPORTINFO_PMULT_INFO(cportinfo) \
564 	cportinfo->cport_devp.cport_sata_pmult
565 
566 #define	SATA_PMULT_INFO(sata_hba_inst, cport) \
567 	sata_hba_inst->satahba_dev_port[cport]->cport_devp.cport_sata_pmult
568 
569 #define	SATA_NUM_PMPORTS(sata_hba_inst, cport) \
570 	sata_hba_inst->satahba_dev_port[cport]->\
571 	cport_devp.cport_sata_pmult->pmult_num_dev_ports
572 
573 #define	SATA_PMPORT_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 
577 #define	SATA_PMPORT_DRV_INFO(sata_hba_inst, cport, pmport) \
578 	sata_hba_inst->satahba_dev_port[cport]->\
579 	cport_devp.cport_sata_pmult->pmult_dev_port[pmport]->\
580 	pmport_sata_drive
581 
582 #define	SATA_PMPORT_STATE(sata_hba_inst, cport, pmport) \
583 	sata_hba_inst->satahba_dev_port[cport]->\
584 	cport_devp.cport_sata_pmult->pmult_dev_port[pmport]->pmport_state
585 
586 #define	SATA_PMPORT_SCR(sata_hba_inst, cport, pmport) \
587 	sata_hba_inst->satahba_dev_port[cport]->\
588 	cport_devp.cport_sata_pmult->pmult_dev_port[pmport]->pmport_scr
589 
590 #define	SATA_PMPORT_DEV_TYPE(sata_hba_inst, cport, pmport) \
591 	sata_hba_inst->satahba_dev_port[cport]->\
592 	cport_devp.cport_sata_pmult->pmult_dev_port[pmport]->pmport_dev_type
593 
594 #define	SATA_PMPORTINFO_DRV_TYPE(pmportinfo) \
595 	pmportinfo->pmport_dev_type
596 
597 #define	SATA_PMPORTINFO_DRV_INFO(pmportinfo) \
598 	pmportinfo->pmport_sata_drive
599 
600 #define	SATA_TXLT_HBA_INST(spx) \
601 	spx->txlt_sata_hba_inst
602 
603 #define	SATA_TXLT_CPORT(spx) \
604 	spx->txlt_sata_pkt->satapkt_device.satadev_addr.cport
605 
606 #define	SATA_TXLT_CPORT_MUTEX(spx) \
607 	spx->txlt_sata_hba_inst->\
608 	satahba_dev_port[spx->txlt_sata_pkt->\
609 	satapkt_device.satadev_addr.cport]->cport_mutex
610 
611 #define	SATA_TXLT_TASKQ(spx) \
612 	spx->txlt_sata_hba_inst->\
613 	satahba_taskq
614 
615 /*
616  * Minor number construction for devctl and attachment point nodes.
617  * All necessary information has to be encoded in NBITSMINOR32 bits.
618  *
619  * Devctl node minor number:
620  * ((controller_instance << SATA_CNTRL_INSTANCE_SHIFT) | SATA_DEVCTL_NODE)
621  *
622  * Attachment point node minor number has to include controller
623  * instance (7 bits), controller port number (5 bits) and port multiplier
624  * device port number (4 bits) and port multiplier device port
625  * indicator (1 bit).  Additionally, a single bit is used to
626  * differentiate between attachment point node and device control node.
627  *
628  * Attachment point minor number:
629  * ((controller_instance << SATA_CNTRL_INSTANCE_SHIFT) | SATA_AP_NODE |
630  * [(port_multiplier_device_port << SATA_PMULT_PORT_SHIFT) | SATA_PMULT_AP] |
631  * (controller_port))
632  *
633  * 17 bits are used (if 64 instances of controllers are expected)
634  * bit 18 is reserved for future use.
635  *
636  *   --------------------------------------------------------
637  *   |17|16|15|14|13|12|11|10 |09|08|07|06|05|04|03|02|01|00|
638  *   --------------------------------------------------------
639  *   | R| c| c| c| c| c| c|a/d|pm|pp|pp|pp|pp|cp|cp|cp|cp|cp|
640  *   --------------------------------------------------------
641  * Where:
642  * cp  - device port number on the HBA SATA controller
643  * pp  - device port number on the port multiplier
644  * pm  - 0 - target attached to controller device port
645  *       1 - target attached to port multiplier's device port
646  * a/d - 0 - devctl node
647  *       1 - attachment point node
648  * c   - controller number
649  * R   - reserved bit
650  */
651 
652 #define	SATA_AP_NODE		0x400		/* Attachment Point node */
653 #define	SATA_DEVCTL_NODE	0x000		/* DEVCTL node */
654 #define	SATA_PMULT_AP		0x200		/* device on PMult port */
655 #define	SATA_PMULT_PORT_SHIFT	5
656 #define	SATA_CNTRL_INSTANCE_SHIFT 11
657 #define	SATA_CPORT_MASK		0x1f		/* 32 device ports */
658 #define	SATA_PMULT_PORT_MASK	0xf		/* 15 device ports */
659 #define	SATA_CNTRL_INSTANCE_MASK 0x03F		/* 64 controllers */
660 
661 /* Macro for creating devctl node minor number */
662 #define	SATA_MAKE_DEVCTL_MINOR(controller_instance) \
663 	((controller_instance << SATA_CNTRL_INSTANCE_SHIFT) | \
664 	SATA_DEVCTL_NODE)
665 
666 /* Macro for creating an attachment point node minor number */
667 #define	SATA_MAKE_AP_MINOR(cntrl_instance, cport, pmport, qual) \
668 	(qual & (SATA_ADDR_PMPORT | SATA_ADDR_DPMPORT) ? \
669 	(((cntrl_instance) << SATA_CNTRL_INSTANCE_SHIFT) | \
670 	SATA_AP_NODE | SATA_PMULT_AP | \
671 	(pmport << SATA_PMULT_PORT_SHIFT) | cport) : \
672 	(((cntrl_instance) << SATA_CNTRL_INSTANCE_SHIFT) | \
673 	SATA_AP_NODE | cport))
674 
675 /* Macro retrieving controller number from a minor number */
676 #define	SATA_MINOR2INSTANCE(minor) \
677 	((minor >> SATA_CNTRL_INSTANCE_SHIFT) & SATA_CNTRL_INSTANCE_MASK)
678 
679 /*
680  * Macro for creating an attachment point number from sata address.
681  * Address qualifier has to be one of:
682  * SATA_ADDR_DCPORT, SATA_ADDR_DPMPORT, SATA_ADDR_CPORT or SATA_ADDR_PMPORT
683  */
684 #define	SATA_MAKE_AP_NUMBER(cport, pmport, qual) \
685 	((qual & (SATA_ADDR_PMPORT | SATA_ADDR_DPMPORT)) ? \
686 	(SATA_PMULT_AP | (pmport << SATA_PMULT_PORT_SHIFT) | cport) : \
687 	(cport))
688 
689 /*
690  * SCSI target number format
691  *
692  *   -------------------------------
693  *   | 9| 8| 7| 6| 5| 4| 3| 2| 1| 0|    Bit number
694  *   -------------------------------
695  *   |pm|pp|pp|pp|pp|cp|cp|cp|cp|cp|
696  *   -------------------------------
697  * Where:
698  * cp  - device port number on the HBA SATA controller
699  * pp  - device port number on the port multiplier
700  * pm  - 0 - target attached to controller device port
701  *       1 - target attached to port multiplier's device port
702  */
703 
704 /* SATA ports to SCSI target number translation */
705 
706 #define	SATA_TO_SCSI_TARGET(cport, pmport, qual) \
707 	(qual == SATA_ADDR_DCPORT ? cport : \
708 	(cport | (pmport << SATA_PMULT_PORT_SHIFT) | SATA_PMULT_AP))
709 
710 /* SCSI target number to SATA cntrl/pmport/cport translations */
711 #define	SCSI_TO_SATA_CPORT(scsi_target) \
712 	(scsi_target & SATA_CPORT_MASK)
713 
714 #define	SCSI_TO_SATA_PMPORT(scsi_target) \
715 	((scsi_target >> SATA_PMULT_PORT_SHIFT) & SATA_PMULT_PORT_MASK)
716 
717 #define	SCSI_TO_SATA_ADDR_QUAL(scsi_target) \
718 	((scsi_target & SATA_PMULT_AP) ? SATA_ADDR_DPMPORT : \
719 	SATA_ADDR_DCPORT)
720 
721 
722 /* Debug flags */
723 #if	DEBUG
724 
725 #define	SATA_DEBUG
726 #define	SATA_DBG_SCSI_IF	1
727 #define	SATA_DBG_HBA_IF		2
728 #define	SATA_DBG_NODES		4
729 #define	SATA_DBG_IOCTL_IF	8
730 #define	SATA_DBG_EVENTS		0x10
731 #define	SATA_DBG_EVENTS_PROC	0x20
732 #define	SATA_DBG_EVENTS_PROCPST	0x40
733 #define	SATA_DBG_EVENTS_CNTRL	0x80
734 #define	SATA_DBG_EVENTS_DAEMON	0x100
735 #define	SATA_DBG_DMA_SETUP	0x400
736 #define	SATA_DBG_DEV_SETTINGS	0x800
737 #define	SATA_DBG_ATAPI		0x1000
738 #define	SATA_DBG_ATAPI_PACKET	0x8000
739 #define	SATA_DBG_INTR_CTX	0x10000
740 
741 typedef struct sata_atapi_cmd {
742 	uint8_t acdb[SATA_ATAPI_MAX_CDB_LEN];
743 	uint8_t arqs[SATA_ATAPI_RQSENSE_LEN];
744 	uint_t sata_pkt_reason;
745 	uint_t scsi_pkt_reason;
746 } sata_atapi_cmd_t;
747 
748 /* Debug macros */
749 #define	SATADBG1(flag, sata, format, arg1) \
750 	if (sata_debug_flags & (flag)) { \
751 		sata_log(sata, CE_CONT, format, arg1); \
752 	}
753 
754 #define	SATADBG2(flag, sata, format, arg1, arg2) \
755 	if (sata_debug_flags & (flag)) { \
756 		sata_log(sata, CE_CONT, format, arg1, arg2); \
757 	}
758 
759 #define	SATADBG3(flag, sata, format, arg1, arg2, arg3) \
760 	if (sata_debug_flags & (flag)) { \
761 		sata_log(sata, CE_CONT, format, arg1, arg2, arg3); \
762 	}
763 #else
764 
765 #define	SATADBG1(flag, dip, frmt, arg1)
766 #define	SATADBG2(flag, dip, frmt, arg1, arg2)
767 #define	SATADBG3(flag, dip, frmt, arg1, arg2, arg3)
768 
769 #endif
770 
771 /* sata_rev_tag 1.42 */
772 
773 #ifdef	__cplusplus
774 }
775 #endif
776 
777 #endif /* _SATA_H */
778