xref: /illumos-gate/usr/src/uts/common/sys/sata/adapters/ahci/ahcivar.h (revision 8119dad84d6416f13557b0ba8e2aaf9064cbcfd3)
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  * Copyright (c) 2018, Joyent, Inc.
26  * Copyright 2021 RackTop Systems, Inc.
27  */
28 
29 
30 #ifndef _AHCIVAR_H
31 #define	_AHCIVAR_H
32 
33 #ifdef	__cplusplus
34 extern "C" {
35 #endif
36 
37 #include <sys/sata/adapters/ahci/ahciem.h>
38 
39 /*
40  * AHCI address qualifier flags (in qual field of ahci_addr struct).
41  */
42 #define	AHCI_ADDR_NULL		0x00
43 #define	AHCI_ADDR_PORT		0x01
44 #define	AHCI_ADDR_PMPORT	0x02
45 #define	AHCI_ADDR_PMULT		0x04
46 #define	AHCI_ADDR_VALID		(AHCI_ADDR_PORT | \
47 				AHCI_ADDR_PMULT | \
48 				AHCI_ADDR_PMPORT)
49 
50 /*
51  * AHCI address structure.
52  */
53 struct ahci_addr {
54 
55 	/* HBA port number */
56 	uint8_t			aa_port;
57 
58 	/* Port multiplier port number */
59 	uint8_t			aa_pmport;
60 
61 	/*
62 	 * AHCI_ADDR_NULL
63 	 * AHCI_ADDR_PORT
64 	 * AHCI_ADDR_PMPORT
65 	 * AHCI_ADDR_PMULT
66 	 */
67 	uint8_t			aa_qual;
68 };
69 typedef struct ahci_addr ahci_addr_t;
70 
71 _NOTE(SCHEME_PROTECTS_DATA("unshared data", ahci_addr))
72 
73 #define	AHCI_ADDR_IS_PORT(addrp)					\
74 	((addrp)->aa_qual & AHCI_ADDR_PORT)
75 #define	AHCI_ADDR_IS_PMPORT(addrp)					\
76 	((addrp)->aa_qual & AHCI_ADDR_PMPORT)
77 #define	AHCI_ADDR_IS_PMULT(addrp)					\
78 	((addrp)->aa_qual & AHCI_ADDR_PMULT)
79 #define	AHCI_ADDR_IS_VALID(addrp)					\
80 	((addrp)->aa_port < SATA_MAX_CPORTS) &&				\
81 	((addrp)->aa_pmport < SATA_MAX_PMPORTS) &&			\
82 	((addrp)->aa_qual & AHCI_ADDR_VALID)
83 
84 #define	AHCI_ADDR_SET(addrp, port, pmport, qual)			\
85 	{								\
86 		(addrp)->aa_port = port;				\
87 		(addrp)->aa_pmport = pmport;				\
88 		(addrp)->aa_qual = qual;				\
89 	}
90 #define	AHCI_ADDR_SET_PORT(addrp, port)					\
91 	AHCI_ADDR_SET(addrp, port, 0, AHCI_ADDR_PORT)
92 #define	AHCI_ADDR_SET_PMPORT(addrp, port, pmport)			\
93 	AHCI_ADDR_SET(addrp, port, pmport, AHCI_ADDR_PMPORT)
94 #define	AHCI_ADDR_SET_PMULT(addrp, port)				\
95 	AHCI_ADDR_SET(addrp, port, SATA_PMULT_HOSTPORT, AHCI_ADDR_PMULT)
96 
97 /* Type for argument of event handler */
98 typedef	struct ahci_event_arg {
99 	void		*ahciea_ctlp;
100 	void		*ahciea_portp;
101 	void		*ahciea_addrp;
102 	uint32_t	ahciea_event;
103 } ahci_event_arg_t;
104 
105 /* Warlock annotation */
106 _NOTE(DATA_READABLE_WITHOUT_LOCK(ahci_event_arg_t::ahciea_ctlp))
107 _NOTE(DATA_READABLE_WITHOUT_LOCK(ahci_event_arg_t::ahciea_portp))
108 _NOTE(DATA_READABLE_WITHOUT_LOCK(ahci_event_arg_t::ahciea_addrp))
109 _NOTE(DATA_READABLE_WITHOUT_LOCK(ahci_event_arg_t::ahciea_event))
110 
111 
112 /*
113  * ahci_pmult_info stores the information of a port multiplier and its
114  * sub-devices in case a port multiplier is attached to an HBA port.
115  */
116 struct ahci_pmult_info {
117 
118 	/* Number of the device ports */
119 	int			ahcipmi_num_dev_ports;
120 
121 	/* Device type of the sub-devices of the port multipler */
122 	uint8_t			ahcipmi_device_type[SATA_MAX_PMPORTS];
123 
124 	/* State of port multiplier port */
125 	uint32_t		ahcipmi_port_state[SATA_MAX_PMPORTS];
126 
127 	/*
128 	 * Port multiplier port on which there is outstanding NCQ
129 	 * commands. Only make sense in command based switching mode.
130 	 */
131 	uint8_t			ahcipmi_ncq_pmport;
132 
133 	/* Pending asynchronous notification events tags */
134 	uint32_t		ahcipmi_snotif_tags;
135 };
136 typedef struct ahci_pmult_info ahci_pmult_info_t;
137 
138 /*
139  * flags for ahciport_flags
140  *
141  * AHCI_PORT_FLAG_MOPPING: this flag will be set when the HBA is stopped,
142  * and all the outstanding commands need to be aborted and sent to upper
143  * layers.
144  *
145  * AHCI_PORT_FLAG_POLLING: this flag will be set when the interrupt is
146  * disabled, and the command is executed in POLLING mode.
147  *
148  * AHCI_PORT_FLAG_RQSENSE: this flag will be set when a REQUEST SENSE which
149  * is used to retrieve sense data is being executed.
150  *
151  * AHCI_PORT_FLAG_STARTED: this flag will be set when the port is started,
152  * that is PxCMD.ST is set with '1', and be cleared when the port is put into
153  * idle, that is PxCMD.ST is changed from '1' to '0'.
154  *
155  * AHCI_PORT_FLAG_RDLOGEXT: this flag will be set when a READ LOG EXT which
156  * is used to retrieve NCQ failure context is being executed.
157  *
158  * AHCI_PORT_FLAG_NODEV: this flag will be set when a device is found gone
159  * during ahci_restart_port_wait_till_ready process.
160  *
161  * AHCI_PORT_FLAG_RDWR_PMULT: this flag will be set when a READ/WRITE
162  * PORTMULT command is being executed.
163  *
164  * AHCI_PORT_FLAG_IGNORE_IPMS: this flag will be set when enumerating a port
165  * multiplier. According AHCI spec, IPMS error should be ignore during
166  * enumeration of port multiplier.
167  *
168  * AHCI_PORT_FLAG_PMULT_SNTF: this flag will be set when the a asynchronous
169  * notification event on the port multiplier is being handled.
170  *
171  * AHCI_PORT_FLAG_HOTPLUG: this flag will be set when a hot plug event is
172  * being handled.
173  *
174  * AHCI_PORT_FLAG_ERRPRINT: this flag will be set when error recovery message
175  * will be printed. Note that, for INDENTIFY DEVICE command sent to ATAPI
176  * device or ATAPI PACKET command, this flag won't be set.
177  */
178 #define	AHCI_PORT_FLAG_MOPPING		0x02
179 #define	AHCI_PORT_FLAG_POLLING		0x04
180 #define	AHCI_PORT_FLAG_RQSENSE		0x08
181 #define	AHCI_PORT_FLAG_STARTED		0x10
182 #define	AHCI_PORT_FLAG_RDLOGEXT		0x20
183 #define	AHCI_PORT_FLAG_NODEV		0x40
184 #define	AHCI_PORT_FLAG_RDWR_PMULT	0x80
185 #define	AHCI_PORT_FLAG_IGNORE_IPMS	0x100
186 #define	AHCI_PORT_FLAG_PMULT_SNTF	0x200
187 #define	AHCI_PORT_FLAG_HOTPLUG		0x400
188 #define	AHCI_PORT_FLAG_ERRPRINT		0x800
189 
190 typedef struct ahci_port {
191 	/* The physical port number */
192 	uint8_t			ahciport_port_num;
193 
194 	/* Type of the device attached to the port */
195 	uint8_t			ahciport_device_type;
196 	/* State of the port */
197 	uint32_t		ahciport_port_state;
198 
199 	/* Port multiplier struct */
200 	ahci_pmult_info_t	*ahciport_pmult_info;
201 
202 	/*
203 	 * AHCI_PORT_FLAG_MOPPING
204 	 * AHCI_PORT_FLAG_POLLING
205 	 * AHCI_PORT_FLAG_RQSENSE
206 	 * AHCI_PORT_FLAG_STARTED
207 	 * AHCI_PORT_FLAG_RDLOGEXT
208 	 * AHCI_PORT_FLAG_NODEV
209 	 * AHCI_PORT_FLAG_RDWR_PMULT
210 	 * AHCI_PORT_FLAG_IGNORE_IPMS
211 	 * AHCI_PORT_FLAG_PMULT_SNTF
212 	 * AHCI_PORT_FLAG_HOTPLUG
213 	 * AHCI_PORT_FLAG_ERRPRINT
214 	 */
215 	int			ahciport_flags;
216 
217 	/* Pointer to received FIS structure */
218 	ahci_rcvd_fis_t		*ahciport_rcvd_fis;
219 	ddi_dma_handle_t	ahciport_rcvd_fis_dma_handle;
220 	ddi_acc_handle_t	ahciport_rcvd_fis_acc_handle;
221 	ddi_dma_cookie_t	ahciport_rcvd_fis_dma_cookie;
222 
223 	/* Pointer to command list structure */
224 	ahci_cmd_header_t	*ahciport_cmd_list;
225 	ddi_dma_handle_t	ahciport_cmd_list_dma_handle;
226 	ddi_acc_handle_t	ahciport_cmd_list_acc_handle;
227 	ddi_dma_cookie_t	ahciport_cmd_list_dma_cookie;
228 
229 	/* Pointer to cmmand table structure */
230 	ahci_cmd_table_t	\
231 			*ahciport_cmd_tables[AHCI_PORT_MAX_CMD_SLOTS];
232 	ddi_dma_handle_t	\
233 			ahciport_cmd_tables_dma_handle[AHCI_PORT_MAX_CMD_SLOTS];
234 	ddi_acc_handle_t	\
235 			ahciport_cmd_tables_acc_handle[AHCI_PORT_MAX_CMD_SLOTS];
236 
237 	/* Condition variable used for sync mode commands */
238 	kcondvar_t		ahciport_cv;
239 
240 	/* The whole mutex for the port structure */
241 	kmutex_t		ahciport_mutex;
242 
243 	/* The maximum number of tags for native queuing command transfers */
244 	int			ahciport_max_ncq_tags;
245 
246 	/* Keep the tags of all pending non-ncq commands */
247 	uint32_t		ahciport_pending_tags;
248 
249 	/*
250 	 * Keep the tags of all pending ncq commands
251 	 * (READ/WRITE FPDMA QUEUED)
252 	 */
253 	uint32_t		ahciport_pending_ncq_tags;
254 
255 	/* Keep all the pending sata packets */
256 	sata_pkt_t		*ahciport_slot_pkts[AHCI_PORT_MAX_CMD_SLOTS];
257 
258 	/* Used to check whether corresponding packet is timeout */
259 	int			ahciport_slot_timeout[AHCI_PORT_MAX_CMD_SLOTS];
260 
261 	/* Queue of completed (done) sata packet */
262 	sata_pkt_t		*ahciport_doneq;
263 
264 	/* Pointer of the tail of completed sata packet queue */
265 	sata_pkt_t		**ahciport_doneqtail;
266 
267 	/* the length of the completed sata packet queue */
268 	uint32_t		ahciport_doneq_len;
269 
270 	/* Keep the byte count of all PRD entries for every sata packet */
271 	uint32_t		\
272 			ahciport_prd_bytecounts[AHCI_PORT_MAX_CMD_SLOTS];
273 
274 	/* Keep the error retrieval sata packet */
275 	sata_pkt_t		*ahciport_err_retri_pkt;
276 
277 	/* Keep the read/write port multiplier packet */
278 	sata_pkt_t		*ahciport_rdwr_pmult_pkt;
279 
280 	/*
281 	 * SATA HBA driver is supposed to remember and maintain device
282 	 * reset state. While the reset is in progress, it doesn't accept
283 	 * any more commands until receiving the command with
284 	 * SATA_CLEAR_DEV_RESET_STATE flag and SATA_IGNORE_DEV_RESET_STATE.
285 	 */
286 	int			ahciport_reset_in_progress;
287 
288 	/* Taskq for handling event */
289 	ddi_taskq_t		*ahciport_event_taskq;
290 
291 	/* This is for error recovery handler */
292 	ahci_event_arg_t	*ahciport_event_args;
293 
294 	/* This is to calculate how many mops are in progress */
295 	int			ahciport_mop_in_progress;
296 } ahci_port_t;
297 
298 /* Warlock annotation */
299 _NOTE(READ_ONLY_DATA(ahci_port_t::ahciport_rcvd_fis_dma_handle))
300 _NOTE(READ_ONLY_DATA(ahci_port_t::ahciport_cmd_list_dma_handle))
301 _NOTE(READ_ONLY_DATA(ahci_port_t::ahciport_cmd_tables_dma_handle))
302 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
303 				    ahci_port_t::ahciport_device_type))
304 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
305 				    ahci_port_t::ahciport_port_state))
306 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
307 				    ahci_port_t::ahciport_flags))
308 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
309 				    ahci_port_t::ahciport_pending_tags))
310 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
311 				    ahci_port_t::ahciport_slot_pkts))
312 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
313 				    ahci_port_t::ahciport_slot_timeout))
314 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
315 				    ahci_port_t::ahciport_doneq))
316 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
317 				    ahci_port_t::ahciport_doneqtail))
318 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
319 				    ahci_port_t::ahciport_doneq_len))
320 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
321 				    ahci_port_t::ahciport_reset_in_progress))
322 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
323 				    ahci_port_t::ahciport_mop_in_progress))
324 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
325 				    ahci_port_t::ahciport_event_taskq))
326 
327 #define	AHCI_NUM_PORTS(ctlp)						\
328 	(ctlp)->ahcictl_num_ports
329 
330 #define	AHCIPORT_NUM_PMPORTS(portp)					\
331 	(portp)->ahciport_pmult_info->ahcipmi_num_dev_ports
332 
333 #define	AHCIPORT_NCQ_PMPORT(ahci_portp)					\
334 	(ahci_portp->ahciport_pmult_info->ahcipmi_ncq_pmport)
335 
336 #define	AHCIPORT_DEV_TYPE(portp, addrp)					\
337 	(portp)->ahciport_device_type
338 
339 #define	AHCIPORT_PMDEV_TYPE(portp, addrp)				\
340 	(portp)->ahciport_pmult_info->ahcipmi_device_type		\
341 	[(addrp)->aa_pmport]
342 
343 #define	AHCIPORT_GET_DEV_TYPE(portp, addrp)				\
344 	(AHCI_ADDR_IS_PORT(addrp) | AHCI_ADDR_IS_PMULT(addrp) ?		\
345 	AHCIPORT_DEV_TYPE(portp, addrp) :				\
346 	AHCIPORT_PMDEV_TYPE(portp, addrp))
347 
348 #define	AHCIPORT_SET_DEV_TYPE(portp, addrp, type)			\
349 	if (AHCI_ADDR_IS_PORT(addrp) | AHCI_ADDR_IS_PMULT(addrp))	\
350 		AHCIPORT_DEV_TYPE(portp, addrp) = type;			\
351 	else								\
352 		AHCIPORT_PMDEV_TYPE(portp, addrp) = type;
353 
354 #define	AHCIPORT_STATE(portp, addrp)					\
355 	(portp)->ahciport_port_state
356 
357 #define	AHCIPORT_PMSTATE(portp, addrp)					\
358 	(portp)->ahciport_pmult_info->ahcipmi_port_state		\
359 	[(addrp)->aa_pmport]
360 
361 #define	AHCIPORT_GET_STATE(portp, addrp)				\
362 	(AHCI_ADDR_IS_PORT(addrp) | AHCI_ADDR_IS_PMULT(addrp) ?		\
363 	AHCIPORT_STATE(portp, addrp) : AHCIPORT_PMSTATE(portp, addrp))
364 
365 #define	AHCIPORT_SET_STATE(portp, addrp, state)				\
366 	if (AHCI_ADDR_IS_PORT(addrp) | AHCI_ADDR_IS_PMULT(addrp))	\
367 		AHCIPORT_STATE(portp, addrp) = state;			\
368 	else								\
369 		AHCIPORT_PMSTATE(portp, addrp) = state;
370 
371 typedef enum ahci_em_flags {
372 	AHCI_EM_PRESENT		= 1 << 0,
373 	AHCI_EM_RESETTING	= 1 << 1,
374 	AHCI_EM_TIMEOUT		= 1 << 2,
375 	AHCI_EM_QUIESCE		= 1 << 3,
376 	AHCI_EM_READY		= 1 << 4,
377 } ahci_em_flags_t;
378 
379 #define	AHCI_EM_USABLE		(AHCI_EM_PRESENT | AHCI_EM_READY)
380 
381 typedef struct ahci_ctl {
382 	dev_info_t		*ahcictl_dip;
383 
384 	ushort_t		ahcictl_venid;
385 	ushort_t		ahcictl_devid;
386 
387 	/* To map port number to cport number */
388 	uint8_t			ahcictl_port_to_cport[AHCI_MAX_PORTS];
389 	/* To map cport number to port number */
390 	uint8_t			ahcictl_cport_to_port[AHCI_MAX_PORTS];
391 
392 	/* Number of controller ports */
393 	int			ahcictl_num_ports;
394 	/* Number of command slots */
395 	int			ahcictl_num_cmd_slots;
396 	/* Number of implemented ports */
397 	int			ahcictl_num_implemented_ports;
398 	/* Bit map to indicate which port is implemented */
399 	uint32_t		ahcictl_ports_implemented;
400 	ahci_port_t		*ahcictl_ports[AHCI_MAX_PORTS];
401 
402 	int			ahcictl_flags;
403 	int			ahcictl_power_level;
404 	off_t			ahcictl_pmcsr_offset;
405 
406 	/*
407 	 * AHCI_CAP_PIO_MDRQ
408 	 * AHCI_CAP_NO_MCMDLIST_NONQUEUE
409 	 * AHCI_CAP_NCQ
410 	 * AHCI_CAP_PM
411 	 * AHCI_CAP_BUF_32BIT_DMA
412 	 * AHCI_CAP_SCLO
413 	 * AHCI_CAP_COMMU_32BIT_DMA
414 	 * AHCI_CAP_INIT_PORT_RESET
415 	 * AHCI_CAP_SNTF
416 	 * AHCI_CAP_PMULT_CBSS
417 	 * AHCI_CAP_PMULT_FBSS
418 	 * AHCI_CAP_SRST_NO_HOSTPORT
419 	 */
420 	int			ahcictl_cap;
421 
422 	/* Pci configuration space handle */
423 	ddi_acc_handle_t	ahcictl_pci_conf_handle;
424 
425 	/* Mapping into bar 5 - AHCI base address */
426 	ddi_acc_handle_t	ahcictl_ahci_acc_handle;
427 	uintptr_t		ahcictl_ahci_addr;
428 
429 	/* Pointer used for sata hba framework registration */
430 	struct sata_hba_tran	*ahcictl_sata_hba_tran;
431 
432 	/* DMA attributes for the data buffer */
433 	ddi_dma_attr_t		ahcictl_buffer_dma_attr;
434 	/* DMA attributes for the rcvd FIS */
435 	ddi_dma_attr_t		ahcictl_rcvd_fis_dma_attr;
436 	/* DMA attributes for the command list */
437 	ddi_dma_attr_t		ahcictl_cmd_list_dma_attr;
438 	/* DMA attributes for command tables */
439 	ddi_dma_attr_t		ahcictl_cmd_table_dma_attr;
440 
441 	/* Used for watchdog handler */
442 	timeout_id_t		ahcictl_timeout_id;
443 
444 	/* Per controller mutex */
445 	kmutex_t		ahcictl_mutex;
446 
447 	/* Components for interrupt */
448 	ddi_intr_handle_t	*ahcictl_intr_htable;   /* For array of intrs */
449 	int			ahcictl_intr_type; /* What type of interrupt */
450 	int			ahcictl_intr_cnt;  /* # of intrs returned */
451 	size_t			ahcictl_intr_size; /* Size of intr array */
452 	uint_t			ahcictl_intr_pri;  /* Intr priority */
453 	int			ahcictl_intr_cap;  /* Intr capabilities */
454 
455 	/* FMA capabilities */
456 	int			ahcictl_fm_cap;
457 
458 	/*
459 	 * Enclosure information
460 	 */
461 	uint32_t		ahcictl_em_loc;
462 	uint32_t		ahcictl_em_ctl;
463 	uintptr_t		ahcictl_em_tx_off;
464 	ahci_em_flags_t		ahcictl_em_flags;
465 	ddi_taskq_t		*ahcictl_em_taskq;
466 	ahci_em_led_state_t	ahcictl_em_state[AHCI_MAX_PORTS];
467 } ahci_ctl_t;
468 
469 /* Warlock annotation */
470 _NOTE(READ_ONLY_DATA(ahci_ctl_t::ahcictl_ports))
471 _NOTE(READ_ONLY_DATA(ahci_ctl_t::ahcictl_cport_to_port))
472 _NOTE(READ_ONLY_DATA(ahci_ctl_t::ahcictl_port_to_cport))
473 
474 _NOTE(MUTEX_PROTECTS_DATA(ahci_ctl_t::ahcictl_mutex,
475 					ahci_ctl_t::ahcictl_power_level))
476 _NOTE(MUTEX_PROTECTS_DATA(ahci_ctl_t::ahcictl_mutex,
477 					ahci_ctl_t::ahcictl_flags))
478 _NOTE(MUTEX_PROTECTS_DATA(ahci_ctl_t::ahcictl_mutex,
479 					ahci_ctl_t::ahcictl_timeout_id))
480 
481 #define	AHCI_SUCCESS	(0)  /* Successful return */
482 #define	AHCI_TIMEOUT	(1)  /* Timed out */
483 #define	AHCI_FAILURE	(-1) /* Unsuccessful return */
484 
485 /* Flags for ahcictl_flags */
486 #define	AHCI_ATTACH		0x1
487 #define	AHCI_DETACH		0x2
488 #define	AHCI_SUSPEND		0x4
489 #define	AHCI_QUIESCE		0x8
490 
491 /* Values for ahcictl_cap */
492 /* PIO Multiple DRQ Block */
493 #define	AHCI_CAP_PIO_MDRQ		0x1
494 /*
495  * Multiple command slots in the command list cannot be used for
496  * non-queued commands
497  */
498 #define	AHCI_CAP_NO_MCMDLIST_NONQUEUE	0x2
499 /* Native Command Queuing (NCQ) */
500 #define	AHCI_CAP_NCQ			0x4
501 /* Power Management (PM) */
502 #define	AHCI_CAP_PM			0x8
503 /* 32-bit DMA addressing for buffer block */
504 #define	AHCI_CAP_BUF_32BIT_DMA		0x10
505 /* Supports Command List Override */
506 #define	AHCI_CAP_SCLO			0x20
507 /* 32-bit DMA addressing for communication memory descriptors */
508 #define	AHCI_CAP_COMMU_32BIT_DMA	0x40
509 /* Port reset is needed for initialization */
510 #define	AHCI_CAP_INIT_PORT_RESET	0x80
511 /* Port Asychronous Notification */
512 #define	AHCI_CAP_SNTF			0x100
513 /* Port Multiplier Command-Based Switching Support (PMULT_CBSS) */
514 #define	AHCI_CAP_PMULT_CBSS		0x200
515 /* Port Multiplier FIS-Based Switching Support (PMULT_FBSS) */
516 #define	AHCI_CAP_PMULT_FBSS		0x400
517 /* Software Reset FIS cannot set pmport with 0xf for direct access device */
518 #define	AHCI_CAP_SRST_NO_HOSTPORT	0x800
519 /* Enclosure Management Services available */
520 #define	AHCI_CAP_EMS			0x1000
521 /* DevSleep Supported */
522 #define	AHCI_CAP_SDS			0x2000
523 
524 /* Flags controlling the restart port behavior */
525 #define	AHCI_PORT_RESET		0x0001	/* Reset the port */
526 #define	AHCI_RESET_NO_EVENTS_UP	0x0002	/* Don't send reset events up */
527 
528 #define	ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)		\
529 	(ahci_portp->ahciport_flags &			\
530 	(AHCI_PORT_FLAG_RQSENSE|AHCI_PORT_FLAG_RDLOGEXT))
531 
532 #define	RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)		\
533 	(ahci_portp->ahciport_flags &			\
534 	AHCI_PORT_FLAG_RDWR_PMULT)
535 
536 #define	NON_NCQ_CMD_IN_PROGRESS(ahci_portp)		\
537 	(!ERR_RETRI_CMD_IN_PROGRESS(ahci_portp) &&	\
538 	ahci_portp->ahciport_pending_tags != 0 &&	\
539 	ahci_portp->ahciport_pending_ncq_tags == 0)
540 
541 #define	NCQ_CMD_IN_PROGRESS(ahci_portp)			\
542 	(!ERR_RETRI_CMD_IN_PROGRESS(ahci_portp) &&	\
543 	ahci_portp->ahciport_pending_ncq_tags != 0)
544 
545 /* Command type for ahci_claim_free_slot routine */
546 #define	AHCI_NON_NCQ_CMD	0x0
547 #define	AHCI_NCQ_CMD		0x1
548 #define	AHCI_ERR_RETRI_CMD	0x2
549 #define	AHCI_RDWR_PMULT_CMD	0x4
550 
551 /* State values for ahci_attach */
552 #define	AHCI_ATTACH_STATE_NONE			(0x1 << 0)
553 #define	AHCI_ATTACH_STATE_STATEP_ALLOC		(0x1 << 1)
554 #define	AHCI_ATTACH_STATE_FMA			(0x1 << 2)
555 #define	AHCI_ATTACH_STATE_REG_MAP		(0x1 << 3)
556 #define	AHCI_ATTACH_STATE_PCICFG_SETUP		(0x1 << 4)
557 #define	AHCI_ATTACH_STATE_INTR_ADDED		(0x1 << 5)
558 #define	AHCI_ATTACH_STATE_MUTEX_INIT		(0x1 << 6)
559 #define	AHCI_ATTACH_STATE_PORT_ALLOC		(0x1 << 7)
560 #define	AHCI_ATTACH_STATE_HW_INIT		(0x1 << 8)
561 #define	AHCI_ATTACH_STATE_TIMEOUT_ENABLED	(0x1 << 9)
562 #define	AHCI_ATTACH_STATE_ENCLOSURE		(0x1 << 10)
563 
564 /* Interval used for delay */
565 #define	AHCI_10MS_TICKS	(drv_usectohz(10000))	/* ticks in 10 ms */
566 #define	AHCI_1MS_TICKS	(drv_usectohz(1000))	/* ticks in 1 ms */
567 #define	AHCI_100US_TICKS	(drv_usectohz(100))	/* ticks in 100 us */
568 #define	AHCI_10MS_USECS		(10000)		/* microsecs in 10 millisec */
569 #define	AHCI_1MS_USECS		(1000)		/* microsecs in 1 millisec */
570 #define	AHCI_100US_USECS	(100)
571 
572 /*
573  * The following values are the numbers of times to retry polled requests.
574  */
575 #define	AHCI_POLLRATE_HBA_RESET		100
576 #define	AHCI_POLLRATE_PORT_SSTATUS	10
577 #define	AHCI_POLLRATE_PORT_TFD_ERROR	1100
578 #define	AHCI_POLLRATE_PORT_IDLE		50
579 #define	AHCI_POLLRATE_PORT_SOFTRESET	100
580 #define	AHCI_POLLRATE_GET_SPKT		100
581 #define	AHCI_POLLRATE_PORT_IDLE_FR	500
582 
583 
584 /* Clearing & setting the n'th bit in a given tag */
585 #define	CLEAR_BIT(tag, bit)	(tag &= ~(0x1<<bit))
586 #define	SET_BIT(tag, bit)	(tag |= (0x1<<bit))
587 
588 
589 #if DEBUG
590 
591 #define	AHCI_DEBUG		1
592 
593 #endif
594 
595 #define	AHCIDBG_INIT		0x0001
596 #define	AHCIDBG_ENTRY		0x0002
597 #define	AHCIDBG_PRDT		0x0004
598 #define	AHCIDBG_EVENT		0x0008
599 #define	AHCIDBG_POLL_LOOP	0x0010
600 #define	AHCIDBG_PKTCOMP		0x0020
601 #define	AHCIDBG_TIMEOUT		0x0040
602 #define	AHCIDBG_INFO		0x0080
603 #define	AHCIDBG_VERBOSE		0x0100
604 #define	AHCIDBG_INTR		0x0200
605 #define	AHCIDBG_ERRS		0x0400
606 #define	AHCIDBG_ATACMD		0x0800
607 #define	AHCIDBG_ATAPICMD	0x1000
608 #define	AHCIDBG_SENSEDATA	0x2000
609 #define	AHCIDBG_NCQ		0x4000
610 #define	AHCIDBG_PM		0x8000
611 #define	AHCIDBG_UNDERFLOW	0x10000
612 #define	AHCIDBG_MSI		0x20000
613 #define	AHCIDBG_PMULT		0x40000
614 
615 extern uint32_t ahci_debug_flags;
616 
617 #if DEBUG
618 
619 #define	AHCIDBG(flag, ahci_ctlp, fmt, args ...)			\
620 	if (ahci_debug_flags & (flag)) {			\
621 		ahci_log(ahci_ctlp, CE_WARN, fmt, ## args);	\
622 		if (ahci_ctlp == NULL)				\
623 			sata_trace_debug(NULL, fmt, ## args);	\
624 		else						\
625 			sata_trace_debug(ahci_ctlp->ahcictl_dip,\
626 			    fmt, ## args);			\
627 	}
628 
629 #else
630 
631 #define	AHCIDBG(flag, ahci_ctlp, fmt, args ...)			\
632 	if (ahci_debug_flags & (flag)) {			\
633 		if (ahci_ctlp == NULL)				\
634 			sata_trace_debug(NULL, fmt, ## args);	\
635 		else						\
636 			sata_trace_debug(ahci_ctlp->ahcictl_dip,\
637 			    fmt, ## args);			\
638 	}
639 
640 #endif /* DEBUG */
641 
642 /*
643  * Minimum size required for the enclosure message buffer. This value is in
644  * 4-byte quantities. So we need to multiply it by two.
645  */
646 #define	AHCI_EM_BUFFER_MIN	2
647 
648 /*
649  * Enclosure Management LED message format values
650  */
651 #define	AHCI_LED_OFF	0
652 #define	AHCI_LED_ON	1
653 
654 #define	AHCI_LED_ACTIVITY_OFF	0
655 #define	AHCI_LED_IDENT_OFF	3
656 #define	AHCI_LED_FAULT_OFF	6
657 
658 #define	AHCI_LED_MASK	0x7
659 
660 #define	AHCI_EM_MSG_TYPE_LED	0
661 #define	AHCI_EM_MSG_TYPE_SAFTE	1
662 #define	AHCI_EM_MSG_TYPE_SES	2
663 #define	AHCI_EM_MSG_TYPE_SGPIO	3
664 
665 #pragma pack(1)
666 typedef struct ahci_em_led_msg {
667 	uint8_t		alm_hba;
668 	uint8_t		alm_pminfo;
669 	uint16_t	alm_value;
670 } ahci_em_led_msg_t;
671 
672 typedef struct ahci_em_msg_hdr {
673 	uint8_t		aemh_rsvd;
674 	uint8_t		aemh_mlen;
675 	uint8_t		aemh_dlen;
676 	uint8_t		aemh_mtype;
677 } ahci_em_msg_hdr_t;
678 #pragma pack()
679 
680 #ifdef	__cplusplus
681 }
682 #endif
683 
684 #endif /* _AHCIVAR_H */
685