xref: /illumos-gate/usr/src/uts/common/sys/sata/adapters/ahci/ahcivar.h (revision 3ba944265c4ae1fcf23ef758537c2e4f4feec16e)
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 (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
24  * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
25  */
26 
27 
28 #ifndef _AHCIVAR_H
29 #define	_AHCIVAR_H
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 /*
36  * AHCI address qualifier flags (in qual field of ahci_addr struct).
37  */
38 #define	AHCI_ADDR_NULL		0x00
39 #define	AHCI_ADDR_PORT		0x01
40 #define	AHCI_ADDR_PMPORT	0x02
41 #define	AHCI_ADDR_PMULT		0x04
42 #define	AHCI_ADDR_VALID		(AHCI_ADDR_PORT | \
43 				AHCI_ADDR_PMULT | \
44 				AHCI_ADDR_PMPORT)
45 
46 /*
47  * AHCI address structure.
48  */
49 struct ahci_addr {
50 
51 	/* HBA port number */
52 	uint8_t			aa_port;
53 
54 	/* Port multiplier port number */
55 	uint8_t			aa_pmport;
56 
57 	/*
58 	 * AHCI_ADDR_NULL
59 	 * AHCI_ADDR_PORT
60 	 * AHCI_ADDR_PMPORT
61 	 * AHCI_ADDR_PMULT
62 	 */
63 	uint8_t			aa_qual;
64 };
65 typedef struct ahci_addr ahci_addr_t;
66 
67 _NOTE(SCHEME_PROTECTS_DATA("unshared data", ahci_addr))
68 
69 #define	AHCI_ADDR_IS_PORT(addrp)					\
70 	((addrp)->aa_qual & AHCI_ADDR_PORT)
71 #define	AHCI_ADDR_IS_PMPORT(addrp)					\
72 	((addrp)->aa_qual & AHCI_ADDR_PMPORT)
73 #define	AHCI_ADDR_IS_PMULT(addrp)					\
74 	((addrp)->aa_qual & AHCI_ADDR_PMULT)
75 #define	AHCI_ADDR_IS_VALID(addrp)					\
76 	((addrp)->aa_port < SATA_MAX_CPORTS) &&				\
77 	((addrp)->aa_pmport < SATA_MAX_PMPORTS) &&			\
78 	((addrp)->aa_qual & AHCI_ADDR_VALID)
79 
80 #define	AHCI_ADDR_SET(addrp, port, pmport, qual)			\
81 	{								\
82 		(addrp)->aa_port = port;				\
83 		(addrp)->aa_pmport = pmport;				\
84 		(addrp)->aa_qual = qual;				\
85 	}
86 #define	AHCI_ADDR_SET_PORT(addrp, port)					\
87 	AHCI_ADDR_SET(addrp, port, 0, AHCI_ADDR_PORT)
88 #define	AHCI_ADDR_SET_PMPORT(addrp, port, pmport)			\
89 	AHCI_ADDR_SET(addrp, port, pmport, AHCI_ADDR_PMPORT)
90 #define	AHCI_ADDR_SET_PMULT(addrp, port)				\
91 	AHCI_ADDR_SET(addrp, port, SATA_PMULT_HOSTPORT, AHCI_ADDR_PMULT)
92 
93 /* Type for argument of event handler */
94 typedef	struct ahci_event_arg {
95 	void		*ahciea_ctlp;
96 	void		*ahciea_portp;
97 	void		*ahciea_addrp;
98 	uint32_t	ahciea_event;
99 } ahci_event_arg_t;
100 
101 /* Warlock annotation */
102 _NOTE(DATA_READABLE_WITHOUT_LOCK(ahci_event_arg_t::ahciea_ctlp))
103 _NOTE(DATA_READABLE_WITHOUT_LOCK(ahci_event_arg_t::ahciea_portp))
104 _NOTE(DATA_READABLE_WITHOUT_LOCK(ahci_event_arg_t::ahciea_addrp))
105 _NOTE(DATA_READABLE_WITHOUT_LOCK(ahci_event_arg_t::ahciea_event))
106 
107 
108 /*
109  * ahci_pmult_info stores the information of a port multiplier and its
110  * sub-devices in case a port multiplier is attached to an HBA port.
111  */
112 struct ahci_pmult_info {
113 
114 	/* Number of the device ports */
115 	int			ahcipmi_num_dev_ports;
116 
117 	/* Device type of the sub-devices of the port multipler */
118 	uint8_t			ahcipmi_device_type[SATA_MAX_PMPORTS];
119 
120 	/* State of port multiplier port */
121 	uint32_t		ahcipmi_port_state[SATA_MAX_PMPORTS];
122 
123 	/*
124 	 * Port multiplier port on which there is outstanding NCQ
125 	 * commands. Only make sense in command based switching mode.
126 	 */
127 	uint8_t			ahcipmi_ncq_pmport;
128 
129 	/* Pending asynchronous notification events tags */
130 	uint32_t		ahcipmi_snotif_tags;
131 };
132 typedef struct ahci_pmult_info ahci_pmult_info_t;
133 
134 /*
135  * flags for ahciport_flags
136  *
137  * AHCI_PORT_FLAG_MOPPING: this flag will be set when the HBA is stopped,
138  * and all the outstanding commands need to be aborted and sent to upper
139  * layers.
140  *
141  * AHCI_PORT_FLAG_POLLING: this flag will be set when the interrupt is
142  * disabled, and the command is executed in POLLING mode.
143  *
144  * AHCI_PORT_FLAG_RQSENSE: this flag will be set when a REQUEST SENSE which
145  * is used to retrieve sense data is being executed.
146  *
147  * AHCI_PORT_FLAG_STARTED: this flag will be set when the port is started,
148  * that is PxCMD.ST is set with '1', and be cleared when the port is put into
149  * idle, that is PxCMD.ST is changed from '1' to '0'.
150  *
151  * AHCI_PORT_FLAG_RDLOGEXT: this flag will be set when a READ LOG EXT which
152  * is used to retrieve NCQ failure context is being executed.
153  *
154  * AHCI_PORT_FLAG_NODEV: this flag will be set when a device is found gone
155  * during ahci_restart_port_wait_till_ready process.
156  *
157  * AHCI_PORT_FLAG_RDWR_PMULT: this flag will be set when a READ/WRITE
158  * PORTMULT command is being executed.
159  *
160  * AHCI_PORT_FLAG_IGNORE_IPMS: this flag will be set when enumerating a port
161  * multiplier. According AHCI spec, IPMS error should be ignore during
162  * enumeration of port multiplier.
163  *
164  * AHCI_PORT_FLAG_PMULT_SNTF: this flag will be set when the a asynchronous
165  * notification event on the port multiplier is being handled.
166  *
167  * AHCI_PORT_FLAG_HOTPLUG: this flag will be set when a hot plug event is
168  * being handled.
169  *
170  * AHCI_PORT_FLAG_ERRPRINT: this flag will be set when error recovery message
171  * will be printed. Note that, for INDENTIFY DEVICE command sent to ATAPI
172  * device or ATAPI PACKET command, this flag won't be set.
173  */
174 #define	AHCI_PORT_FLAG_MOPPING		0x02
175 #define	AHCI_PORT_FLAG_POLLING		0x04
176 #define	AHCI_PORT_FLAG_RQSENSE		0x08
177 #define	AHCI_PORT_FLAG_STARTED		0x10
178 #define	AHCI_PORT_FLAG_RDLOGEXT		0x20
179 #define	AHCI_PORT_FLAG_NODEV		0x40
180 #define	AHCI_PORT_FLAG_RDWR_PMULT	0x80
181 #define	AHCI_PORT_FLAG_IGNORE_IPMS	0x100
182 #define	AHCI_PORT_FLAG_PMULT_SNTF	0x200
183 #define	AHCI_PORT_FLAG_HOTPLUG		0x400
184 #define	AHCI_PORT_FLAG_ERRPRINT		0x800
185 
186 typedef struct ahci_port {
187 	/* The physical port number */
188 	uint8_t			ahciport_port_num;
189 
190 	/* Type of the device attached to the port */
191 	uint8_t			ahciport_device_type;
192 	/* State of the port */
193 	uint32_t		ahciport_port_state;
194 
195 	/* Port multiplier struct */
196 	ahci_pmult_info_t	*ahciport_pmult_info;
197 
198 	/*
199 	 * AHCI_PORT_FLAG_MOPPING
200 	 * AHCI_PORT_FLAG_POLLING
201 	 * AHCI_PORT_FLAG_RQSENSE
202 	 * AHCI_PORT_FLAG_STARTED
203 	 * AHCI_PORT_FLAG_RDLOGEXT
204 	 * AHCI_PORT_FLAG_NODEV
205 	 * AHCI_PORT_FLAG_RDWR_PMULT
206 	 * AHCI_PORT_FLAG_IGNORE_IPMS
207 	 * AHCI_PORT_FLAG_PMULT_SNTF
208 	 * AHCI_PORT_FLAG_HOTPLUG
209 	 * AHCI_PORT_FLAG_ERRPRINT
210 	 */
211 	int			ahciport_flags;
212 
213 	/* Pointer to received FIS structure */
214 	ahci_rcvd_fis_t		*ahciport_rcvd_fis;
215 	ddi_dma_handle_t	ahciport_rcvd_fis_dma_handle;
216 	ddi_acc_handle_t	ahciport_rcvd_fis_acc_handle;
217 	ddi_dma_cookie_t	ahciport_rcvd_fis_dma_cookie;
218 
219 	/* Pointer to command list structure */
220 	ahci_cmd_header_t	*ahciport_cmd_list;
221 	ddi_dma_handle_t	ahciport_cmd_list_dma_handle;
222 	ddi_acc_handle_t	ahciport_cmd_list_acc_handle;
223 	ddi_dma_cookie_t	ahciport_cmd_list_dma_cookie;
224 
225 	/* Pointer to cmmand table structure */
226 	ahci_cmd_table_t	\
227 			*ahciport_cmd_tables[AHCI_PORT_MAX_CMD_SLOTS];
228 	ddi_dma_handle_t	\
229 			ahciport_cmd_tables_dma_handle[AHCI_PORT_MAX_CMD_SLOTS];
230 	ddi_acc_handle_t	\
231 			ahciport_cmd_tables_acc_handle[AHCI_PORT_MAX_CMD_SLOTS];
232 
233 	/* Condition variable used for sync mode commands */
234 	kcondvar_t		ahciport_cv;
235 
236 	/* The whole mutex for the port structure */
237 	kmutex_t		ahciport_mutex;
238 
239 	/* The maximum number of tags for native queuing command transfers */
240 	int			ahciport_max_ncq_tags;
241 
242 	/* Keep the tags of all pending non-ncq commands */
243 	uint32_t		ahciport_pending_tags;
244 
245 	/*
246 	 * Keep the tags of all pending ncq commands
247 	 * (READ/WRITE FPDMA QUEUED)
248 	 */
249 	uint32_t		ahciport_pending_ncq_tags;
250 
251 	/* Keep all the pending sata packets */
252 	sata_pkt_t		*ahciport_slot_pkts[AHCI_PORT_MAX_CMD_SLOTS];
253 
254 	/* Used to check whether corresponding packet is timeout */
255 	int			ahciport_slot_timeout[AHCI_PORT_MAX_CMD_SLOTS];
256 
257 	/* Queue of completed (done) sata packet */
258 	sata_pkt_t		*ahciport_doneq;
259 
260 	/* Pointer of the tail of completed sata packet queue */
261 	sata_pkt_t		**ahciport_doneqtail;
262 
263 	/* the length of the completed sata packet queue */
264 	uint32_t		ahciport_doneq_len;
265 
266 	/* Keep the byte count of all PRD entries for every sata packet */
267 	uint32_t		\
268 			ahciport_prd_bytecounts[AHCI_PORT_MAX_CMD_SLOTS];
269 
270 	/* Keep the error retrieval sata packet */
271 	sata_pkt_t		*ahciport_err_retri_pkt;
272 
273 	/* Keep the read/write port multiplier packet */
274 	sata_pkt_t		*ahciport_rdwr_pmult_pkt;
275 
276 	/*
277 	 * SATA HBA driver is supposed to remember and maintain device
278 	 * reset state. While the reset is in progress, it doesn't accept
279 	 * any more commands until receiving the command with
280 	 * SATA_CLEAR_DEV_RESET_STATE flag and SATA_IGNORE_DEV_RESET_STATE.
281 	 */
282 	int			ahciport_reset_in_progress;
283 
284 	/* Taskq for handling event */
285 	ddi_taskq_t		*ahciport_event_taskq;
286 
287 	/* This is for error recovery handler */
288 	ahci_event_arg_t	*ahciport_event_args;
289 
290 	/* This is to calculate how many mops are in progress */
291 	int			ahciport_mop_in_progress;
292 } ahci_port_t;
293 
294 /* Warlock annotation */
295 _NOTE(READ_ONLY_DATA(ahci_port_t::ahciport_rcvd_fis_dma_handle))
296 _NOTE(READ_ONLY_DATA(ahci_port_t::ahciport_cmd_list_dma_handle))
297 _NOTE(READ_ONLY_DATA(ahci_port_t::ahciport_cmd_tables_dma_handle))
298 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
299 				    ahci_port_t::ahciport_device_type))
300 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
301 				    ahci_port_t::ahciport_port_state))
302 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
303 				    ahci_port_t::ahciport_flags))
304 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
305 				    ahci_port_t::ahciport_pending_tags))
306 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
307 				    ahci_port_t::ahciport_slot_pkts))
308 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
309 				    ahci_port_t::ahciport_slot_timeout))
310 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
311 				    ahci_port_t::ahciport_doneq))
312 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
313 				    ahci_port_t::ahciport_doneqtail))
314 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
315 				    ahci_port_t::ahciport_doneq_len))
316 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
317 				    ahci_port_t::ahciport_reset_in_progress))
318 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
319 				    ahci_port_t::ahciport_mop_in_progress))
320 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
321 				    ahci_port_t::ahciport_event_taskq))
322 
323 #define	AHCI_NUM_PORTS(ctlp)						\
324 	(ctlp)->ahcictl_num_ports
325 
326 #define	AHCIPORT_NUM_PMPORTS(portp)					\
327 	(portp)->ahciport_pmult_info->ahcipmi_num_dev_ports
328 
329 #define	AHCIPORT_NCQ_PMPORT(ahci_portp)					\
330 	(ahci_portp->ahciport_pmult_info->ahcipmi_ncq_pmport)
331 
332 #define	AHCIPORT_DEV_TYPE(portp, addrp)					\
333 	(portp)->ahciport_device_type
334 
335 #define	AHCIPORT_PMDEV_TYPE(portp, addrp)				\
336 	(portp)->ahciport_pmult_info->ahcipmi_device_type		\
337 	[(addrp)->aa_pmport]
338 
339 #define	AHCIPORT_GET_DEV_TYPE(portp, addrp)				\
340 	(AHCI_ADDR_IS_PORT(addrp) | AHCI_ADDR_IS_PMULT(addrp) ?		\
341 	AHCIPORT_DEV_TYPE(portp, addrp) :				\
342 	AHCIPORT_PMDEV_TYPE(portp, addrp))
343 
344 #define	AHCIPORT_SET_DEV_TYPE(portp, addrp, type)			\
345 	if (AHCI_ADDR_IS_PORT(addrp) | AHCI_ADDR_IS_PMULT(addrp))	\
346 		AHCIPORT_DEV_TYPE(portp, addrp) = type;			\
347 	else								\
348 		AHCIPORT_PMDEV_TYPE(portp, addrp) = type;
349 
350 #define	AHCIPORT_STATE(portp, addrp)					\
351 	(portp)->ahciport_port_state
352 
353 #define	AHCIPORT_PMSTATE(portp, addrp)					\
354 	(portp)->ahciport_pmult_info->ahcipmi_port_state		\
355 	[(addrp)->aa_pmport]
356 
357 #define	AHCIPORT_GET_STATE(portp, addrp)				\
358 	(AHCI_ADDR_IS_PORT(addrp) | AHCI_ADDR_IS_PMULT(addrp) ?		\
359 	AHCIPORT_STATE(portp, addrp) : AHCIPORT_PMSTATE(portp, addrp))
360 
361 #define	AHCIPORT_SET_STATE(portp, addrp, state)				\
362 	if (AHCI_ADDR_IS_PORT(addrp) | AHCI_ADDR_IS_PMULT(addrp))	\
363 		AHCIPORT_STATE(portp, addrp) = state;			\
364 	else								\
365 		AHCIPORT_PMSTATE(portp, addrp) = state;
366 
367 typedef struct ahci_ctl {
368 	dev_info_t		*ahcictl_dip;
369 
370 	ushort_t		ahcictl_venid;
371 	ushort_t		ahcictl_devid;
372 
373 	/* To map port number to cport number */
374 	uint8_t			ahcictl_port_to_cport[AHCI_MAX_PORTS];
375 	/* To map cport number to port number */
376 	uint8_t			ahcictl_cport_to_port[AHCI_MAX_PORTS];
377 
378 	/* Number of controller ports */
379 	int			ahcictl_num_ports;
380 	/* Number of command slots */
381 	int			ahcictl_num_cmd_slots;
382 	/* Number of implemented ports */
383 	int			ahcictl_num_implemented_ports;
384 	/* Bit map to indicate which port is implemented */
385 	uint32_t		ahcictl_ports_implemented;
386 	ahci_port_t		*ahcictl_ports[AHCI_MAX_PORTS];
387 
388 	int			ahcictl_flags;
389 	int			ahcictl_power_level;
390 	off_t			ahcictl_pmcsr_offset;
391 
392 	/*
393 	 * AHCI_CAP_PIO_MDRQ
394 	 * AHCI_CAP_NO_MCMDLIST_NONQUEUE
395 	 * AHCI_CAP_NCQ
396 	 * AHCI_CAP_PM
397 	 * AHCI_CAP_BUF_32BIT_DMA
398 	 * AHCI_CAP_SCLO
399 	 * AHCI_CAP_COMMU_32BIT_DMA
400 	 * AHCI_CAP_INIT_PORT_RESET
401 	 * AHCI_CAP_SNTF
402 	 * AHCI_CAP_PMULT_CBSS
403 	 * AHCI_CAP_PMULT_FBSS
404 	 * AHCI_CAP_SRST_NO_HOSTPORT
405 	 */
406 	int			ahcictl_cap;
407 
408 	/* Pci configuration space handle */
409 	ddi_acc_handle_t	ahcictl_pci_conf_handle;
410 
411 	/* Mapping into bar 5 - AHCI base address */
412 	ddi_acc_handle_t	ahcictl_ahci_acc_handle;
413 	uintptr_t		ahcictl_ahci_addr;
414 
415 	/* Pointer used for sata hba framework registration */
416 	struct sata_hba_tran	*ahcictl_sata_hba_tran;
417 
418 	/* DMA attributes for the data buffer */
419 	ddi_dma_attr_t		ahcictl_buffer_dma_attr;
420 	/* DMA attributes for the rcvd FIS */
421 	ddi_dma_attr_t		ahcictl_rcvd_fis_dma_attr;
422 	/* DMA attributes for the command list */
423 	ddi_dma_attr_t		ahcictl_cmd_list_dma_attr;
424 	/* DMA attributes for command tables */
425 	ddi_dma_attr_t		ahcictl_cmd_table_dma_attr;
426 
427 	/* Used for watchdog handler */
428 	timeout_id_t		ahcictl_timeout_id;
429 
430 	/* Per controller mutex */
431 	kmutex_t		ahcictl_mutex;
432 
433 	/* Components for interrupt */
434 	ddi_intr_handle_t	*ahcictl_intr_htable;   /* For array of intrs */
435 	int			ahcictl_intr_type; /* What type of interrupt */
436 	int			ahcictl_intr_cnt;  /* # of intrs returned */
437 	size_t			ahcictl_intr_size; /* Size of intr array */
438 	uint_t			ahcictl_intr_pri;  /* Intr priority */
439 	int			ahcictl_intr_cap;  /* Intr capabilities */
440 
441 	/* FMA capabilities */
442 	int			ahcictl_fm_cap;
443 } ahci_ctl_t;
444 
445 /* Warlock annotation */
446 _NOTE(READ_ONLY_DATA(ahci_ctl_t::ahcictl_ports))
447 _NOTE(READ_ONLY_DATA(ahci_ctl_t::ahcictl_cport_to_port))
448 _NOTE(READ_ONLY_DATA(ahci_ctl_t::ahcictl_port_to_cport))
449 
450 _NOTE(MUTEX_PROTECTS_DATA(ahci_ctl_t::ahcictl_mutex,
451 					ahci_ctl_t::ahcictl_power_level))
452 _NOTE(MUTEX_PROTECTS_DATA(ahci_ctl_t::ahcictl_mutex,
453 					ahci_ctl_t::ahcictl_flags))
454 _NOTE(MUTEX_PROTECTS_DATA(ahci_ctl_t::ahcictl_mutex,
455 					ahci_ctl_t::ahcictl_timeout_id))
456 
457 #define	AHCI_SUCCESS	(0)  /* Successful return */
458 #define	AHCI_TIMEOUT	(1)  /* Timed out */
459 #define	AHCI_FAILURE	(-1) /* Unsuccessful return */
460 
461 /* Flags for ahcictl_flags */
462 #define	AHCI_ATTACH		0x1
463 #define	AHCI_DETACH		0x2
464 #define	AHCI_SUSPEND		0x4
465 #define	AHCI_QUIESCE		0x8
466 
467 /* Values for ahcictl_cap */
468 /* PIO Multiple DRQ Block */
469 #define	AHCI_CAP_PIO_MDRQ		0x1
470 /*
471  * Multiple command slots in the command list cannot be used for
472  * non-queued commands
473  */
474 #define	AHCI_CAP_NO_MCMDLIST_NONQUEUE	0x2
475 /* Native Command Queuing (NCQ) */
476 #define	AHCI_CAP_NCQ			0x4
477 /* Power Management (PM) */
478 #define	AHCI_CAP_PM			0x8
479 /* 32-bit DMA addressing for buffer block */
480 #define	AHCI_CAP_BUF_32BIT_DMA		0x10
481 /* Supports Command List Override */
482 #define	AHCI_CAP_SCLO			0x20
483 /* 32-bit DMA addressing for communication memory descriptors */
484 #define	AHCI_CAP_COMMU_32BIT_DMA	0x40
485 /* Port reset is needed for initialization */
486 #define	AHCI_CAP_INIT_PORT_RESET	0x80
487 /* Port Asychronous Notification */
488 #define	AHCI_CAP_SNTF			0x100
489 /* Port Multiplier Command-Based Switching Support (PMULT_CBSS) */
490 #define	AHCI_CAP_PMULT_CBSS		0x200
491 /* Port Multiplier FIS-Based Switching Support (PMULT_FBSS) */
492 #define	AHCI_CAP_PMULT_FBSS		0x400
493 /* Software Reset FIS cannot set pmport with 0xf for direct access device */
494 #define	AHCI_CAP_SRST_NO_HOSTPORT	0x800
495 
496 /* Flags controlling the restart port behavior */
497 #define	AHCI_PORT_RESET		0x0001	/* Reset the port */
498 #define	AHCI_RESET_NO_EVENTS_UP	0x0002	/* Don't send reset events up */
499 
500 #define	ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)		\
501 	(ahci_portp->ahciport_flags &			\
502 	(AHCI_PORT_FLAG_RQSENSE|AHCI_PORT_FLAG_RDLOGEXT))
503 
504 #define	RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)		\
505 	(ahci_portp->ahciport_flags &			\
506 	AHCI_PORT_FLAG_RDWR_PMULT)
507 
508 #define	NON_NCQ_CMD_IN_PROGRESS(ahci_portp)		\
509 	(!ERR_RETRI_CMD_IN_PROGRESS(ahci_portp) &&	\
510 	ahci_portp->ahciport_pending_tags != 0 &&	\
511 	ahci_portp->ahciport_pending_ncq_tags == 0)
512 
513 #define	NCQ_CMD_IN_PROGRESS(ahci_portp)			\
514 	(!ERR_RETRI_CMD_IN_PROGRESS(ahci_portp) &&	\
515 	ahci_portp->ahciport_pending_ncq_tags != 0)
516 
517 /* Command type for ahci_claim_free_slot routine */
518 #define	AHCI_NON_NCQ_CMD	0x0
519 #define	AHCI_NCQ_CMD		0x1
520 #define	AHCI_ERR_RETRI_CMD	0x2
521 #define	AHCI_RDWR_PMULT_CMD	0x4
522 
523 /* State values for ahci_attach */
524 #define	AHCI_ATTACH_STATE_NONE			(0x1 << 0)
525 #define	AHCI_ATTACH_STATE_STATEP_ALLOC		(0x1 << 1)
526 #define	AHCI_ATTACH_STATE_FMA			(0x1 << 2)
527 #define	AHCI_ATTACH_STATE_REG_MAP		(0x1 << 3)
528 #define	AHCI_ATTACH_STATE_PCICFG_SETUP		(0x1 << 4)
529 #define	AHCI_ATTACH_STATE_INTR_ADDED		(0x1 << 5)
530 #define	AHCI_ATTACH_STATE_MUTEX_INIT		(0x1 << 6)
531 #define	AHCI_ATTACH_STATE_PORT_ALLOC		(0x1 << 7)
532 #define	AHCI_ATTACH_STATE_HW_INIT		(0x1 << 8)
533 #define	AHCI_ATTACH_STATE_TIMEOUT_ENABLED	(0x1 << 9)
534 
535 /* Interval used for delay */
536 #define	AHCI_10MS_TICKS	(drv_usectohz(10000))	/* ticks in 10 ms */
537 #define	AHCI_1MS_TICKS	(drv_usectohz(1000))	/* ticks in 1 ms */
538 #define	AHCI_100US_TICKS	(drv_usectohz(100))	/* ticks in 100 us */
539 #define	AHCI_10MS_USECS		(10000)		/* microsecs in 10 millisec */
540 #define	AHCI_1MS_USECS		(1000)		/* microsecs in 1 millisec */
541 #define	AHCI_100US_USECS	(100)
542 
543 /*
544  * The following values are the numbers of times to retry polled requests.
545  */
546 #define	AHCI_POLLRATE_HBA_RESET		100
547 #define	AHCI_POLLRATE_PORT_SSTATUS	10
548 #define	AHCI_POLLRATE_PORT_TFD_ERROR	1100
549 #define	AHCI_POLLRATE_PORT_IDLE		50
550 #define	AHCI_POLLRATE_PORT_SOFTRESET	100
551 #define	AHCI_POLLRATE_GET_SPKT		100
552 #define	AHCI_POLLRATE_PORT_IDLE_FR	500
553 
554 
555 /* Clearing & setting the n'th bit in a given tag */
556 #define	CLEAR_BIT(tag, bit)	(tag &= ~(0x1<<bit))
557 #define	SET_BIT(tag, bit)	(tag |= (0x1<<bit))
558 
559 
560 #if DEBUG
561 
562 #define	AHCI_DEBUG		1
563 
564 #endif
565 
566 #define	AHCIDBG_INIT		0x0001
567 #define	AHCIDBG_ENTRY		0x0002
568 #define	AHCIDBG_PRDT		0x0004
569 #define	AHCIDBG_EVENT		0x0008
570 #define	AHCIDBG_POLL_LOOP	0x0010
571 #define	AHCIDBG_PKTCOMP		0x0020
572 #define	AHCIDBG_TIMEOUT		0x0040
573 #define	AHCIDBG_INFO		0x0080
574 #define	AHCIDBG_VERBOSE		0x0100
575 #define	AHCIDBG_INTR		0x0200
576 #define	AHCIDBG_ERRS		0x0400
577 #define	AHCIDBG_ATACMD		0x0800
578 #define	AHCIDBG_ATAPICMD	0x1000
579 #define	AHCIDBG_SENSEDATA	0x2000
580 #define	AHCIDBG_NCQ		0x4000
581 #define	AHCIDBG_PM		0x8000
582 #define	AHCIDBG_UNDERFLOW	0x10000
583 #define	AHCIDBG_MSI		0x20000
584 #define	AHCIDBG_PMULT		0x40000
585 
586 extern uint32_t ahci_debug_flags;
587 
588 #if DEBUG
589 
590 #define	AHCIDBG(flag, ahci_ctlp, fmt, args ...)			\
591 	if (ahci_debug_flags & (flag)) {			\
592 		ahci_log(ahci_ctlp, CE_WARN, fmt, ## args);	\
593 		if (ahci_ctlp == NULL)				\
594 			sata_trace_debug(NULL, fmt, ## args);	\
595 		else						\
596 			sata_trace_debug(ahci_ctlp->ahcictl_dip,\
597 			    fmt, ## args);			\
598 	}
599 
600 #else
601 
602 #define	AHCIDBG(flag, ahci_ctlp, fmt, args ...)			\
603 	if (ahci_debug_flags & (flag)) {			\
604 		if (ahci_ctlp == NULL)				\
605 			sata_trace_debug(NULL, fmt, ## args);	\
606 		else						\
607 			sata_trace_debug(ahci_ctlp->ahcictl_dip,\
608 			    fmt, ## args);			\
609 	}
610 
611 #endif /* DEBUG */
612 
613 
614 #ifdef	__cplusplus
615 }
616 #endif
617 
618 #endif /* _AHCIVAR_H */
619