ahcivar.h revision 8317:249d7b80428e
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
32extern "C" {
33#endif
34
35/* Type for argument of event handler */
36typedef	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
81typedef 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	/* Taskq for handling event */
158	ddi_taskq_t		*ahciport_event_taskq;
159
160	/* This is for error recovery handler */
161	ahci_event_arg_t	*ahciport_event_args;
162
163	/* This is to calculate how many mops are in progress */
164	int			ahciport_mop_in_progress;
165} ahci_port_t;
166
167/* Warlock annotation */
168_NOTE(READ_ONLY_DATA(ahci_port_t::ahciport_rcvd_fis_dma_handle))
169_NOTE(READ_ONLY_DATA(ahci_port_t::ahciport_cmd_list_dma_handle))
170_NOTE(READ_ONLY_DATA(ahci_port_t::ahciport_cmd_tables_dma_handle))
171_NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
172				    ahci_port_t::ahciport_device_type))
173_NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
174				    ahci_port_t::ahciport_port_state))
175_NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
176				    ahci_port_t::ahciport_flags))
177_NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
178				    ahci_port_t::ahciport_pending_tags))
179_NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
180				    ahci_port_t::ahciport_slot_pkts))
181_NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
182				    ahci_port_t::ahciport_reset_in_progress))
183_NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
184				    ahci_port_t::ahciport_mop_in_progress))
185_NOTE(MUTEX_PROTECTS_DATA(ahci_port_t::ahciport_mutex,
186				    ahci_port_t::ahciport_event_taskq))
187
188typedef struct ahci_ctl {
189	dev_info_t		*ahcictl_dip;
190	/* To map port number to cport number */
191	uint8_t			ahcictl_port_to_cport[AHCI_MAX_PORTS];
192	/* To map cport number to port number */
193	uint8_t			ahcictl_cport_to_port[AHCI_MAX_PORTS];
194
195	/* Number of controller ports */
196	int			ahcictl_num_ports;
197	/* Number of command slots */
198	int			ahcictl_num_cmd_slots;
199	/* Number of implemented ports */
200	int			ahcictl_num_implemented_ports;
201	/* Bit map to indicate which port is implemented */
202	uint32_t		ahcictl_ports_implemented;
203	ahci_port_t		*ahcictl_ports[AHCI_MAX_PORTS];
204
205	int			ahcictl_flags;
206	int			ahcictl_power_level;
207	off_t			ahcictl_pmcsr_offset;
208
209	/*
210	 * AHCI_CAP_PIO_MDRQ
211	 * AHCI_CAP_NO_MCMDLIST_NONQUEUE
212	 * AHCI_CAP_NCQ
213	 * AHCI_CAP_PM
214	 * AHCI_CAP_32BIT_DMA
215	 */
216	int			ahcictl_cap;
217
218	/* Pci configuration space handle */
219	ddi_acc_handle_t	ahcictl_pci_conf_handle;
220
221	/* Mapping into bar 5 - AHCI base address */
222	ddi_acc_handle_t	ahcictl_ahci_acc_handle;
223	uintptr_t		ahcictl_ahci_addr;
224
225	/* Pointer used for sata hba framework registration */
226	struct sata_hba_tran	*ahcictl_sata_hba_tran;
227
228	/* DMA attributes for the data buffer */
229	ddi_dma_attr_t		ahcictl_buffer_dma_attr;
230	/* DMA attributes for the rcvd FIS */
231	ddi_dma_attr_t		ahcictl_rcvd_fis_dma_attr;
232	/* DMA attributes for the command list */
233	ddi_dma_attr_t		ahcictl_cmd_list_dma_attr;
234	/* DMA attributes for command tables */
235	ddi_dma_attr_t		ahcictl_cmd_table_dma_attr;
236
237	/* Used for watchdog handler */
238	timeout_id_t		ahcictl_timeout_id;
239
240	/* Per controller mutex */
241	kmutex_t		ahcictl_mutex;
242
243	/* Components for interrupt */
244	ddi_intr_handle_t	*ahcictl_intr_htable;   /* For array of intrs */
245	int			ahcictl_intr_type; /* What type of interrupt */
246	int			ahcictl_intr_cnt;  /* # of intrs returned */
247	size_t			ahcictl_intr_size; /* Size of intr array */
248	uint_t			ahcictl_intr_pri;  /* Intr priority */
249	int			ahcictl_intr_cap;  /* Intr capabilities */
250} ahci_ctl_t;
251
252/* Warlock annotation */
253_NOTE(READ_ONLY_DATA(ahci_ctl_t::ahcictl_ports))
254_NOTE(READ_ONLY_DATA(ahci_ctl_t::ahcictl_cport_to_port))
255_NOTE(READ_ONLY_DATA(ahci_ctl_t::ahcictl_port_to_cport))
256
257_NOTE(MUTEX_PROTECTS_DATA(ahci_ctl_t::ahcictl_mutex,
258					ahci_ctl_t::ahcictl_power_level))
259_NOTE(MUTEX_PROTECTS_DATA(ahci_ctl_t::ahcictl_mutex,
260					ahci_ctl_t::ahcictl_flags))
261_NOTE(MUTEX_PROTECTS_DATA(ahci_ctl_t::ahcictl_mutex,
262					ahci_ctl_t::ahcictl_timeout_id))
263
264#define	AHCI_SUCCESS	(0)  /* Successful return */
265#define	AHCI_TIMEOUT	(1)  /* Timed out */
266#define	AHCI_FAILURE	(-1) /* Unsuccessful return */
267
268/* Flags for ahcictl_flags */
269#define	AHCI_ATTACH		0x1
270#define	AHCI_DETACH		0x2
271#define	AHCI_SUSPEND		0x4
272
273/* Values for ahcictl_cap */
274/* PIO Multiple DRQ Block */
275#define	AHCI_CAP_PIO_MDRQ		0x1
276/*
277 * Multiple command slots in the command list cannot be used for
278 * non-queued commands
279 */
280#define	AHCI_CAP_NO_MCMDLIST_NONQUEUE	0x2
281/* Native Command Queuing (NCQ) */
282#define	AHCI_CAP_NCQ			0x4
283/* Power Management (PM) */
284#define	AHCI_CAP_PM			0x8
285/* 32-bit DMA addressing */
286#define	AHCI_CAP_32BIT_DMA		0x10
287
288/* Flags controlling the restart port behavior */
289#define	AHCI_PORT_RESET		0x0001	/* Reset the port */
290#define	AHCI_PORT_INIT		0x0002	/* Initialize port */
291#define	AHCI_RESET_NO_EVENTS_UP	0x0004	/* Don't send reset events up */
292
293#define	ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)		\
294	(ahci_portp->ahciport_flags &			\
295	(AHCI_PORT_FLAG_RQSENSE|AHCI_PORT_FLAG_RDLOGEXT))
296
297#define	NON_NCQ_CMD_IN_PROGRESS(ahci_portp)		\
298	(!ERR_RETRI_CMD_IN_PROGRESS(ahci_portp) &&	\
299	ahci_portp->ahciport_pending_tags != 0 &&	\
300	ahci_portp->ahciport_pending_ncq_tags == 0)
301
302#define	NCQ_CMD_IN_PROGRESS(ahci_portp)			\
303	(!ERR_RETRI_CMD_IN_PROGRESS(ahci_portp) &&	\
304	ahci_portp->ahciport_pending_ncq_tags != 0)
305
306/* Command type for ahci_claim_free_slot routine */
307#define	AHCI_NON_NCQ_CMD	0x0
308#define	AHCI_NCQ_CMD		0x1
309#define	AHCI_ERR_RETRI_CMD	0x2
310
311/* State values for ahci_attach */
312#define	AHCI_ATTACH_STATE_NONE			(0x1 << 0)
313#define	AHCI_ATTACH_STATE_STATEP_ALLOC		(0x1 << 1)
314#define	AHCI_ATTACH_STATE_REG_MAP		(0x1 << 2)
315#define	AHCI_ATTACH_STATE_PCICFG_SETUP		(0x1 << 3)
316#define	AHCI_ATTACH_STATE_INTR_ADDED		(0x1 << 4)
317#define	AHCI_ATTACH_STATE_MUTEX_INIT		(0x1 << 5)
318#define	AHCI_ATTACH_STATE_PORT_ALLOC		(0x1 << 6)
319#define	AHCI_ATTACH_STATE_HW_INIT		(0x1 << 7)
320#define	AHCI_ATTACH_STATE_TIMEOUT_ENABLED	(0x1 << 8)
321
322/* Interval used for delay */
323#define	AHCI_10MS_TICKS	(drv_usectohz(10000))	/* ticks in 10 ms */
324#define	AHCI_1MS_TICKS	(drv_usectohz(1000))	/* ticks in 1 ms */
325#define	AHCI_100US_TICKS	(drv_usectohz(100))	/* ticks in 100 us */
326#define	AHCI_1MS_USECS	(1000)			/* usecs in 1 millisec */
327
328/*
329 * The following values are the numbers of times to retry polled requests.
330 */
331#define	AHCI_POLLRATE_HBA_RESET		100
332#define	AHCI_POLLRATE_PORT_SSTATUS	10
333#define	AHCI_POLLRATE_PORT_TFD_ERROR	1100
334#define	AHCI_POLLRATE_PORT_IDLE		50
335#define	AHCI_POLLRATE_PORT_SOFTRESET	100
336#define	AHCI_POLLRATE_GET_SPKT		100
337
338
339/* Clearing & setting the n'th bit in a given tag */
340#define	CLEAR_BIT(tag, bit)	(tag &= ~(0x1<<bit))
341#define	SET_BIT(tag, bit)	(tag |= (0x1<<bit))
342
343
344#if DEBUG
345
346#define	AHCI_DEBUG		1
347
348#define	AHCIDBG_INIT		0x0001
349#define	AHCIDBG_ENTRY		0x0002
350#define	AHCIDBG_PRDT		0x0004
351#define	AHCIDBG_EVENT		0x0008
352#define	AHCIDBG_POLL_LOOP	0x0010
353#define	AHCIDBG_PKTCOMP		0x0020
354#define	AHCIDBG_TIMEOUT		0x0040
355#define	AHCIDBG_INFO		0x0080
356#define	AHCIDBG_VERBOSE		0x0100
357#define	AHCIDBG_INTR		0x0200
358#define	AHCIDBG_ERRS		0x0400
359#define	AHCIDBG_ATACMD		0x0800
360#define	AHCIDBG_ATAPICMD	0x1000
361#define	AHCIDBG_SENSEDATA	0x2000
362#define	AHCIDBG_NCQ		0x4000
363#define	AHCIDBG_PM		0x8000
364#define	AHCIDBG_UNDERFLOW	0x10000
365
366extern int ahci_debug_flag;
367
368#define	AHCIDBG0(flag, ahci_ctlp, format)			\
369	if (ahci_debug_flags & (flag)) {			\
370		ahci_log(ahci_ctlp, CE_WARN, format);		\
371	}
372
373#define	AHCIDBG1(flag, ahci_ctlp, format, arg1)			\
374	if (ahci_debug_flags & (flag)) {			\
375		ahci_log(ahci_ctlp, CE_WARN, format, arg1);	\
376	}
377
378#define	AHCIDBG2(flag, ahci_ctlp, format, arg1, arg2)			\
379	if (ahci_debug_flags & (flag)) {				\
380		ahci_log(ahci_ctlp, CE_WARN, format, arg1, arg2);	\
381	}
382
383#define	AHCIDBG3(flag, ahci_ctlp, format, arg1, arg2, arg3)		\
384	if (ahci_debug_flags & (flag)) {				\
385		ahci_log(ahci_ctlp, CE_WARN, format, arg1, arg2, arg3); \
386	}
387
388#define	AHCIDBG4(flag, ahci_ctlp, format, arg1, arg2, arg3, arg4)	\
389	if (ahci_debug_flags & (flag)) {				\
390		ahci_log(ahci_ctlp, CE_WARN, format, arg1, arg2, arg3, arg4); \
391	}
392
393#define	AHCIDBG5(flag, ahci_ctlp, format, arg1, arg2, arg3, arg4, arg5)	\
394	if (ahci_debug_flags & (flag)) {				\
395		ahci_log(ahci_ctlp, CE_WARN, format, arg1, arg2,	\
396		    arg3, arg4, arg5); 					\
397	}
398#else
399
400#define	AHCIDBG0(flag, dip, frmt)
401#define	AHCIDBG1(flag, dip, frmt, arg1)
402#define	AHCIDBG2(flag, dip, frmt, arg1, arg2)
403#define	AHCIDBG3(flag, dip, frmt, arg1, arg2, arg3)
404#define	AHCIDBG4(flag, dip, frmt, arg1, arg2, arg3, arg4)
405#define	AHCIDBG5(flag, dip, frmt, arg1, arg2, arg3, arg4, arg5)
406
407#endif /* DEBUG */
408
409
410#ifdef	__cplusplus
411}
412#endif
413
414#endif /* _AHCIVAR_H */
415