xref: /illumos-gate/usr/src/uts/common/sys/sata/adapters/ahci/ahcivar.h (revision 257873cfc1dd3337766407f80397db60a56f2f5a)
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 
28 #ifndef _AHCIVAR_H
29 #define	_AHCIVAR_H
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 /* Type for argument of event handler */
36 typedef	struct ahci_event_arg {
37 	void		*ahciea_ctlp;
38 	void		*ahciea_portp;
39 	uint32_t	ahciea_event;
40 } ahci_event_arg_t;
41 
42 /* Warlock annotation */
43 _NOTE(DATA_READABLE_WITHOUT_LOCK(ahci_event_arg_t::ahciea_ctlp))
44 _NOTE(DATA_READABLE_WITHOUT_LOCK(ahci_event_arg_t::ahciea_portp))
45 _NOTE(DATA_READABLE_WITHOUT_LOCK(ahci_event_arg_t::ahciea_event))
46 
47 /*
48  * flags for ahciport_flags
49  *
50  * AHCI_PORT_FLAG_SPINUP: this flag will be set when a HBA which supports
51  * staggered spin-up needs to do a spin-up.
52  *
53  * AHCI_PORT_FLAG_MOPPING: this flag will be set when the HBA is stopped,
54  * and all the outstanding commands need to be aborted and sent to upper
55  * layers.
56  *
57  * AHCI_PORT_FLAG_POLLING: this flag will be set when the interrupt is
58  * disabled, and the command is executed in POLLING mode.
59  *
60  * AHCI_PORT_FLAG_RQSENSE: this flag will be set when a REQUEST SENSE which
61  * is used to retrieve sense data is being executed.
62  *
63  * AHCI_PORT_FLAG_STARTED: this flag will be set when the port is started,
64  * that is PxCMD.ST is set with '1', and be cleared when the port is put into
65  * idle, that is PxCMD.ST is changed from '1' to '0'.
66  *
67  * AHCI_PORT_FLAG_RDLOGEXT: this flag will be set when a READ LOG EXT which
68  * is used to retrieve NCQ failure context is being executed.
69  *
70  * AHCI_PORT_FLAG_NODEV: this flag will be set when a device is found gone
71  * during ahci_restart_port_wait_till_ready process.
72  */
73 #define	AHCI_PORT_FLAG_SPINUP	0x01
74 #define	AHCI_PORT_FLAG_MOPPING	0x02
75 #define	AHCI_PORT_FLAG_POLLING	0x04
76 #define	AHCI_PORT_FLAG_RQSENSE	0x08
77 #define	AHCI_PORT_FLAG_STARTED	0x10
78 #define	AHCI_PORT_FLAG_RDLOGEXT	0x20
79 #define	AHCI_PORT_FLAG_NODEV	0x40
80 
81 typedef struct ahci_port {
82 	/* The physical port number */
83 	uint8_t			ahciport_port_num;
84 
85 	/* Type of the device attached to the port */
86 	uint8_t			ahciport_device_type;
87 	/* State of the port */
88 	uint32_t		ahciport_port_state;
89 
90 	/*
91 	 * AHCI_PORT_FLAG_SPINUP
92 	 * AHCI_PORT_FLAG_MOPPING
93 	 * AHCI_PORT_FLAG_POLLING
94 	 * AHCI_PORT_FLAG_RQSENSE
95 	 * AHCI_PORT_FLAG_STARTED
96 	 * AHCI_PORT_FLAG_RDLOGEXT
97 	 * AHCI_PORT_FLAG_NODEV
98 	 */
99 	int			ahciport_flags;
100 
101 	/* Pointer to received FIS structure */
102 	ahci_rcvd_fis_t		*ahciport_rcvd_fis;
103 	ddi_dma_handle_t	ahciport_rcvd_fis_dma_handle;
104 	ddi_acc_handle_t	ahciport_rcvd_fis_acc_handle;
105 	ddi_dma_cookie_t	ahciport_rcvd_fis_dma_cookie;
106 
107 	/* Pointer to command list structure */
108 	ahci_cmd_header_t	*ahciport_cmd_list;
109 	ddi_dma_handle_t	ahciport_cmd_list_dma_handle;
110 	ddi_acc_handle_t	ahciport_cmd_list_acc_handle;
111 	ddi_dma_cookie_t	ahciport_cmd_list_dma_cookie;
112 
113 	/* Pointer to cmmand table structure */
114 	ahci_cmd_table_t	\
115 			*ahciport_cmd_tables[AHCI_PORT_MAX_CMD_SLOTS];
116 	ddi_dma_handle_t	\
117 			ahciport_cmd_tables_dma_handle[AHCI_PORT_MAX_CMD_SLOTS];
118 	ddi_acc_handle_t	\
119 			ahciport_cmd_tables_acc_handle[AHCI_PORT_MAX_CMD_SLOTS];
120 
121 	/* Condition variable used for sync mode commands */
122 	kcondvar_t		ahciport_cv;
123 
124 	/* The whole mutex for the port structure */
125 	kmutex_t		ahciport_mutex;
126 
127 	/* The maximum number of tags for native queuing command transfers */
128 	int			ahciport_max_ncq_tags;
129 
130 	/* Keep the tags of all pending non-ncq commands */
131 	uint32_t		ahciport_pending_tags;
132 
133 	/*
134 	 * Keep the tags of all pending ncq commands
135 	 * (READ/WRITE FPDMA QUEUED)
136 	 */
137 	uint32_t		ahciport_pending_ncq_tags;
138 
139 	/* Keep all the pending sata packets */
140 	sata_pkt_t		*ahciport_slot_pkts[AHCI_PORT_MAX_CMD_SLOTS];
141 
142 	/* Keep the byte count of all PRD entries for every sata packet */
143 	uint32_t		\
144 			ahciport_prd_bytecounts[AHCI_PORT_MAX_CMD_SLOTS];
145 
146 	/* Keep the error retrieval sata packet */
147 	sata_pkt_t		*ahciport_err_retri_pkt;
148 
149 	/*
150 	 * SATA HBA driver is supposed to remember and maintain device
151 	 * reset state. While the reset is in progress, it doesn't accept
152 	 * any more commands until receiving the command with
153 	 * SATA_CLEAR_DEV_RESET_STATE flag and SATA_IGNORE_DEV_RESET_STATE.
154 	 */
155 	int			ahciport_reset_in_progress;
156 
157 	/* This is for error recovery handler */
158 	ahci_event_arg_t	*ahciport_event_args;
159 
160 	/* This is to calculate how many mops are in progress */
161 	int			ahciport_mop_in_progress;
162 } ahci_port_t;
163 
164 /* Warlock annotation */
165 _NOTE(READ_ONLY_DATA(ahci_port_t::ahciport_rcvd_fis_dma_handle))
166 _NOTE(READ_ONLY_DATA(ahci_port_t::ahciport_cmd_list_dma_handle))
167 _NOTE(READ_ONLY_DATA(ahci_port_t::ahciport_cmd_tables_dma_handle))
168 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
169 				    ahci_port_t::ahciport_device_type))
170 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
171 				    ahci_port_t::ahciport_port_state))
172 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
173 				    ahci_port_t::ahciport_flags))
174 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
175 				    ahci_port_t::ahciport_pending_tags))
176 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
177 				    ahci_port_t::ahciport_slot_pkts))
178 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
179 				    ahci_port_t::ahciport_reset_in_progress))
180 _NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
181 				    ahci_port_t::ahciport_mop_in_progress))
182 
183 typedef struct ahci_ctl {
184 	dev_info_t		*ahcictl_dip;
185 	/* To map port number to cport number */
186 	uint8_t			ahcictl_port_to_cport[AHCI_MAX_PORTS];
187 	/* To map cport number to port number */
188 	uint8_t			ahcictl_cport_to_port[AHCI_MAX_PORTS];
189 
190 	/* Number of controller ports */
191 	int			ahcictl_num_ports;
192 	/* Number of command slots */
193 	int			ahcictl_num_cmd_slots;
194 	/* Number of implemented ports */
195 	int			ahcictl_num_implemented_ports;
196 	/* Bit map to indicate which port is implemented */
197 	uint32_t		ahcictl_ports_implemented;
198 	ahci_port_t		*ahcictl_ports[AHCI_MAX_PORTS];
199 
200 	int			ahcictl_flags;
201 	int			ahcictl_power_level;
202 	off_t			ahcictl_pmcsr_offset;
203 
204 	/*
205 	 * AHCI_CAP_PIO_MDRQ
206 	 * AHCI_CAP_NO_MCMDLIST_NONQUEUE
207 	 * AHCI_CAP_NCQ
208 	 * AHCI_CAP_PM
209 	 * AHCI_CAP_32BIT_DMA
210 	 */
211 	int			ahcictl_cap;
212 
213 	/* Pci configuration space handle */
214 	ddi_acc_handle_t	ahcictl_pci_conf_handle;
215 
216 	/* Mapping into bar 5 - AHCI base address */
217 	ddi_acc_handle_t	ahcictl_ahci_acc_handle;
218 	uintptr_t		ahcictl_ahci_addr;
219 
220 	/* Pointer used for sata hba framework registration */
221 	struct sata_hba_tran	*ahcictl_sata_hba_tran;
222 
223 	/* DMA attributes for the data buffer */
224 	ddi_dma_attr_t		ahcictl_buffer_dma_attr;
225 	/* DMA attributes for the rcvd FIS */
226 	ddi_dma_attr_t		ahcictl_rcvd_fis_dma_attr;
227 	/* DMA attributes for the command list */
228 	ddi_dma_attr_t		ahcictl_cmd_list_dma_attr;
229 	/* DMA attributes for command tables */
230 	ddi_dma_attr_t		ahcictl_cmd_table_dma_attr;
231 
232 	/* Used for watchdog handler */
233 	timeout_id_t		ahcictl_timeout_id;
234 
235 	/* Per controller mutex */
236 	kmutex_t		ahcictl_mutex;
237 
238 	/* Components for interrupt */
239 	ddi_intr_handle_t	*ahcictl_intr_htable;   /* For array of intrs */
240 	int			ahcictl_intr_type; /* What type of interrupt */
241 	int			ahcictl_intr_cnt;  /* # of intrs returned */
242 	size_t			ahcictl_intr_size; /* Size of intr array */
243 	uint_t			ahcictl_intr_pri;  /* Intr priority */
244 	int			ahcictl_intr_cap;  /* Intr capabilities */
245 
246 	/* Taskq for handling event */
247 	ddi_taskq_t		*ahcictl_event_taskq;
248 } ahci_ctl_t;
249 
250 /* Warlock annotation */
251 _NOTE(READ_ONLY_DATA(ahci_ctl_t::ahcictl_ports))
252 _NOTE(READ_ONLY_DATA(ahci_ctl_t::ahcictl_cport_to_port))
253 _NOTE(READ_ONLY_DATA(ahci_ctl_t::ahcictl_port_to_cport))
254 
255 _NOTE(MUTEX_PROTECTS_DATA(ahci_ctl_t::ahcictl_mutex,
256 					ahci_ctl_t::ahcictl_power_level))
257 _NOTE(MUTEX_PROTECTS_DATA(ahci_ctl_t::ahcictl_mutex,
258 					ahci_ctl_t::ahcictl_flags))
259 _NOTE(MUTEX_PROTECTS_DATA(ahci_ctl_t::ahcictl_mutex,
260 					ahci_ctl_t::ahcictl_timeout_id))
261 
262 #define	AHCI_SUCCESS	(0)  /* Successful return */
263 #define	AHCI_TIMEOUT	(1)  /* Timed out */
264 #define	AHCI_FAILURE	(-1) /* Unsuccessful return */
265 
266 /* Flags for ahcictl_flags */
267 #define	AHCI_ATTACH		0x1
268 #define	AHCI_DETACH		0x2
269 #define	AHCI_SUSPEND		0x4
270 
271 /* Values for ahcictl_cap */
272 /* PIO Multiple DRQ Block */
273 #define	AHCI_CAP_PIO_MDRQ		0x1
274 /*
275  * Multiple command slots in the command list cannot be used for
276  * non-queued commands
277  */
278 #define	AHCI_CAP_NO_MCMDLIST_NONQUEUE	0x2
279 /* Native Command Queuing (NCQ) */
280 #define	AHCI_CAP_NCQ			0x4
281 /* Power Management (PM) */
282 #define	AHCI_CAP_PM			0x8
283 /* 32-bit DMA addressing */
284 #define	AHCI_CAP_32BIT_DMA		0x10
285 
286 /* Flags controlling the restart port behavior */
287 #define	AHCI_PORT_RESET		0x0001	/* Reset the port */
288 #define	AHCI_PORT_INIT		0x0002	/* Initialize port */
289 #define	AHCI_RESET_NO_EVENTS_UP	0x0004	/* Don't send reset events up */
290 
291 #define	ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)		\
292 	(ahci_portp->ahciport_flags &			\
293 	(AHCI_PORT_FLAG_RQSENSE|AHCI_PORT_FLAG_RDLOGEXT))
294 
295 #define	NON_NCQ_CMD_IN_PROGRESS(ahci_portp)		\
296 	(!ERR_RETRI_CMD_IN_PROGRESS(ahci_portp) &&	\
297 	ahci_portp->ahciport_pending_tags != 0 &&	\
298 	ahci_portp->ahciport_pending_ncq_tags == 0)
299 
300 #define	NCQ_CMD_IN_PROGRESS(ahci_portp)			\
301 	(!ERR_RETRI_CMD_IN_PROGRESS(ahci_portp) &&	\
302 	ahci_portp->ahciport_pending_ncq_tags != 0)
303 
304 /* Command type for ahci_claim_free_slot routine */
305 #define	AHCI_NON_NCQ_CMD	0x0
306 #define	AHCI_NCQ_CMD		0x1
307 #define	AHCI_ERR_RETRI_CMD	0x2
308 
309 /* State values for ahci_attach */
310 #define	AHCI_ATTACH_STATE_NONE			(0x1 << 0)
311 #define	AHCI_ATTACH_STATE_STATEP_ALLOC		(0x1 << 1)
312 #define	AHCI_ATTACH_STATE_REG_MAP		(0x1 << 2)
313 #define	AHCI_ATTACH_STATE_PCICFG_SETUP		(0x1 << 3)
314 #define	AHCI_ATTACH_STATE_INTR_ADDED		(0x1 << 4)
315 #define	AHCI_ATTACH_STATE_MUTEX_INIT		(0x1 << 5)
316 #define	AHCI_ATTACH_STATE_PORT_ALLOC		(0x1 << 6)
317 #define	AHCI_ATTACH_STATE_ERR_RECV_TASKQ	(0x1 << 7)
318 #define	AHCI_ATTACH_STATE_HW_INIT		(0x1 << 8)
319 #define	AHCI_ATTACH_STATE_TIMEOUT_ENABLED	(0x1 << 9)
320 
321 /* Interval used for delay */
322 #define	AHCI_10MS_TICKS	(drv_usectohz(10000))	/* ticks in 10 ms */
323 #define	AHCI_1MS_TICKS	(drv_usectohz(1000))	/* ticks in 1 ms */
324 #define	AHCI_100US_TICKS	(drv_usectohz(100))	/* ticks in 100 us */
325 #define	AHCI_1MS_USECS	(1000)			/* usecs in 1 millisec */
326 
327 /*
328  * The following values are the numbers of times to retry polled requests.
329  */
330 #define	AHCI_POLLRATE_HBA_RESET		100
331 #define	AHCI_POLLRATE_PORT_SSTATUS	10
332 #define	AHCI_POLLRATE_PORT_TFD_ERROR	1100
333 #define	AHCI_POLLRATE_PORT_IDLE		50
334 #define	AHCI_POLLRATE_PORT_SOFTRESET	100
335 #define	AHCI_POLLRATE_GET_SPKT		100
336 
337 
338 /* Clearing & setting the n'th bit in a given tag */
339 #define	CLEAR_BIT(tag, bit)	(tag &= ~(0x1<<bit))
340 #define	SET_BIT(tag, bit)	(tag |= (0x1<<bit))
341 
342 
343 #if DEBUG
344 
345 #define	AHCI_DEBUG		1
346 
347 #define	AHCIDBG_INIT		0x0001
348 #define	AHCIDBG_ENTRY		0x0002
349 #define	AHCIDBG_PRDT		0x0004
350 #define	AHCIDBG_EVENT		0x0008
351 #define	AHCIDBG_POLL_LOOP	0x0010
352 #define	AHCIDBG_PKTCOMP		0x0020
353 #define	AHCIDBG_TIMEOUT		0x0040
354 #define	AHCIDBG_INFO		0x0080
355 #define	AHCIDBG_VERBOSE		0x0100
356 #define	AHCIDBG_INTR		0x0200
357 #define	AHCIDBG_ERRS		0x0400
358 #define	AHCIDBG_ATACMD		0x0800
359 #define	AHCIDBG_ATAPICMD	0x1000
360 #define	AHCIDBG_SENSEDATA	0x2000
361 #define	AHCIDBG_NCQ		0x4000
362 #define	AHCIDBG_PM		0x8000
363 #define	AHCIDBG_UNDERFLOW	0x10000
364 
365 extern int ahci_debug_flag;
366 
367 #define	AHCIDBG0(flag, ahci_ctlp, format)			\
368 	if (ahci_debug_flags & (flag)) {			\
369 		ahci_log(ahci_ctlp, CE_WARN, format);		\
370 	}
371 
372 #define	AHCIDBG1(flag, ahci_ctlp, format, arg1)			\
373 	if (ahci_debug_flags & (flag)) {			\
374 		ahci_log(ahci_ctlp, CE_WARN, format, arg1);	\
375 	}
376 
377 #define	AHCIDBG2(flag, ahci_ctlp, format, arg1, arg2)			\
378 	if (ahci_debug_flags & (flag)) {				\
379 		ahci_log(ahci_ctlp, CE_WARN, format, arg1, arg2);	\
380 	}
381 
382 #define	AHCIDBG3(flag, ahci_ctlp, format, arg1, arg2, arg3)		\
383 	if (ahci_debug_flags & (flag)) {				\
384 		ahci_log(ahci_ctlp, CE_WARN, format, arg1, arg2, arg3); \
385 	}
386 
387 #define	AHCIDBG4(flag, ahci_ctlp, format, arg1, arg2, arg3, arg4)	\
388 	if (ahci_debug_flags & (flag)) {				\
389 		ahci_log(ahci_ctlp, CE_WARN, format, arg1, arg2, arg3, arg4); \
390 	}
391 
392 #define	AHCIDBG5(flag, ahci_ctlp, format, arg1, arg2, arg3, arg4, arg5)	\
393 	if (ahci_debug_flags & (flag)) {				\
394 		ahci_log(ahci_ctlp, CE_WARN, format, arg1, arg2,	\
395 		    arg3, arg4, arg5); 					\
396 	}
397 #else
398 
399 #define	AHCIDBG0(flag, dip, frmt)
400 #define	AHCIDBG1(flag, dip, frmt, arg1)
401 #define	AHCIDBG2(flag, dip, frmt, arg1, arg2)
402 #define	AHCIDBG3(flag, dip, frmt, arg1, arg2, arg3)
403 #define	AHCIDBG4(flag, dip, frmt, arg1, arg2, arg3, arg4)
404 #define	AHCIDBG5(flag, dip, frmt, arg1, arg2, arg3, arg4, arg5)
405 
406 #endif /* DEBUG */
407 
408 
409 #ifdef	__cplusplus
410 }
411 #endif
412 
413 #endif /* _AHCIVAR_H */
414