xref: /freebsd/sys/dev/mps/mpsvar.h (revision 2e3507c25e42292b45a5482e116d278f5515d04d)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2009 Yahoo! Inc.
5  * Copyright (c) 2011-2015 LSI Corp.
6  * Copyright (c) 2013-2015 Avago Technologies
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD
31  */
32 
33 #ifndef _MPSVAR_H
34 #define _MPSVAR_H
35 
36 #include <sys/lock.h>
37 #include <sys/mutex.h>
38 
39 #define MPS_DRIVER_VERSION	"21.02.00.00-fbsd"
40 
41 #define MPS_DB_MAX_WAIT		2500
42 
43 #define MPS_REQ_FRAMES		2048
44 #define MPS_PRI_REQ_FRAMES	128
45 #define MPS_EVT_REPLY_FRAMES	32
46 #define MPS_REPLY_FRAMES	MPS_REQ_FRAMES
47 #define MPS_CHAIN_FRAMES	16384
48 #define MPS_MAXIO_PAGES		(-1)
49 #define MPS_SENSE_LEN		SSD_FULL_SIZE
50 #define MPS_MSI_MAX		1
51 #define MPS_MSIX_MAX		16
52 #define MPS_SGE64_SIZE		12
53 #define MPS_SGE32_SIZE		8
54 #define MPS_SGC_SIZE		12
55 
56 #define	 CAN_SLEEP			1
57 #define  NO_SLEEP			0
58 
59 #define MPS_PERIODIC_DELAY	1	/* 1 second heartbeat/watchdog check */
60 #define MPS_ATA_ID_TIMEOUT	5	/* 5 second timeout for SATA ID cmd */
61 #define MPS_MISSING_CHECK_DELAY	10	/* 10 seconds between missing check */
62 
63 #define MPS_SCSI_RI_INVALID_FRAME	(0x00000002)
64 
65 #define DEFAULT_SPINUP_WAIT	3	/* seconds to wait for spinup */
66 
67 #include <sys/endian.h>
68 
69 /*
70  * host mapping related macro definitions
71  */
72 #define MPS_MAPTABLE_BAD_IDX	0xFFFFFFFF
73 #define MPS_DPM_BAD_IDX		0xFFFF
74 #define MPS_ENCTABLE_BAD_IDX	0xFF
75 #define MPS_MAX_MISSING_COUNT	0x0F
76 #define MPS_DEV_RESERVED	0x20000000
77 #define MPS_MAP_IN_USE		0x10000000
78 #define MPS_MAP_BAD_ID		0xFFFFFFFF
79 
80 /*
81  * WarpDrive controller
82  */
83 #define	MPS_CHIP_WD_DEVICE_ID	0x007E
84 #define	MPS_WD_LSI_OEM		0x80
85 #define	MPS_WD_HIDE_EXPOSE_MASK	0x03
86 #define	MPS_WD_HIDE_ALWAYS	0x00
87 #define	MPS_WD_EXPOSE_ALWAYS	0x01
88 #define	MPS_WD_HIDE_IF_VOLUME	0x02
89 #define	MPS_WD_RETRY		0x01
90 #define	MPS_MAN_PAGE10_SIZE	0x5C	/* Hardcode for now */
91 #define MPS_MAX_DISKS_IN_VOL	10
92 
93 /*
94  * WarpDrive Event Logging
95  */
96 #define	MPI2_WD_LOG_ENTRY	0x8002
97 #define	MPI2_WD_SSD_THROTTLING	0x0041
98 #define	MPI2_WD_DRIVE_LIFE_WARN	0x0043
99 #define	MPI2_WD_DRIVE_LIFE_DEAD	0x0044
100 #define	MPI2_WD_RAIL_MON_FAIL	0x004D
101 
102 typedef uint8_t u8;
103 typedef uint16_t u16;
104 typedef uint32_t u32;
105 typedef uint64_t u64;
106 
107 /**
108  * struct dev_mapping_table - device mapping information
109  * @physical_id: SAS address for drives or WWID for RAID volumes
110  * @device_info: bitfield provides detailed info about the device
111  * @phy_bits: bitfields indicating controller phys
112  * @dpm_entry_num: index of this device in device persistent map table
113  * @dev_handle: device handle for the device pointed by this entry
114  * @id: target id
115  * @missing_count: number of times the device not detected by driver
116  * @hide_flag: Hide this physical disk/not (foreign configuration)
117  * @init_complete: Whether the start of the day checks completed or not
118  */
119 struct dev_mapping_table {
120 	u64	physical_id;
121 	u32	device_info;
122 	u32	phy_bits;
123 	u16	dpm_entry_num;
124 	u16	dev_handle;
125 	u16	reserved1;
126 	u16	id;
127 	u8	missing_count;
128 	u8	init_complete;
129 	u8	TLR_bits;
130 	u8	reserved2;
131 };
132 
133 /**
134  * struct enc_mapping_table -  mapping information about an enclosure
135  * @enclosure_id: Logical ID of this enclosure
136  * @start_index: index to the entry in dev_mapping_table
137  * @phy_bits: bitfields indicating controller phys
138  * @dpm_entry_num: index of this enclosure in device persistent map table
139  * @enc_handle: device handle for the enclosure pointed by this entry
140  * @num_slots: number of slots in the enclosure
141  * @start_slot: Starting slot id
142  * @missing_count: number of times the device not detected by driver
143  * @removal_flag: used to mark the device for removal
144  * @skip_search: used as a flag to include/exclude enclosure for search
145  * @init_complete: Whether the start of the day checks completed or not
146  */
147 struct enc_mapping_table {
148 	u64	enclosure_id;
149 	u32	start_index;
150 	u32	phy_bits;
151 	u16	dpm_entry_num;
152 	u16	enc_handle;
153 	u16	num_slots;
154 	u16	start_slot;
155 	u8	missing_count;
156 	u8	removal_flag;
157 	u8	skip_search;
158 	u8	init_complete;
159 };
160 
161 /**
162  * struct map_removal_table - entries to be removed from mapping table
163  * @dpm_entry_num: index of this device in device persistent map table
164  * @dev_handle: device handle for the device pointed by this entry
165  */
166 struct map_removal_table{
167 	u16	dpm_entry_num;
168 	u16	dev_handle;
169 };
170 
171 typedef struct mps_fw_diagnostic_buffer {
172 	size_t		size;
173 	uint8_t		extended_type;
174 	uint8_t		buffer_type;
175 	uint8_t		force_release;
176 	uint32_t	product_specific[23];
177 	uint8_t		immediate;
178 	uint8_t		enabled;
179 	uint8_t		valid_data;
180 	uint8_t		owned_by_firmware;
181 	uint32_t	unique_id;
182 } mps_fw_diagnostic_buffer_t;
183 
184 struct mps_softc;
185 struct mps_command;
186 struct mpssas_softc;
187 union ccb;
188 struct mpssas_target;
189 struct mps_column_map;
190 
191 MALLOC_DECLARE(M_MPT2);
192 
193 typedef void mps_evt_callback_t(struct mps_softc *, uintptr_t,
194     MPI2_EVENT_NOTIFICATION_REPLY *reply);
195 typedef void mps_command_callback_t(struct mps_softc *, struct mps_command *cm);
196 
197 struct mps_chain {
198 	TAILQ_ENTRY(mps_chain)		chain_link;
199 	MPI2_SGE_IO_UNION		*chain;
200 	uint64_t			chain_busaddr;
201 };
202 
203 /*
204  * This needs to be at least 2 to support SMP passthrough.
205  */
206 #define       MPS_IOVEC_COUNT 2
207 
208 struct mps_command {
209 	TAILQ_ENTRY(mps_command)	cm_link;
210 	TAILQ_ENTRY(mps_command)	cm_recovery;
211 	struct mps_softc		*cm_sc;
212 	union ccb			*cm_ccb;
213 	void				*cm_data;
214 	u_int				cm_length;
215 	u_int				cm_out_len;
216 	struct uio			cm_uio;
217 	struct iovec			cm_iovec[MPS_IOVEC_COUNT];
218 	u_int				cm_max_segs;
219 	u_int				cm_sglsize;
220 	MPI2_SGE_IO_UNION		*cm_sge;
221 	uint8_t				*cm_req;
222 	uint8_t				*cm_reply;
223 	uint32_t			cm_reply_data;
224 	mps_command_callback_t		*cm_complete;
225 	void				*cm_complete_data;
226 	struct mpssas_target		*cm_targ;
227 	MPI2_REQUEST_DESCRIPTOR_UNION	cm_desc;
228 	u_int	                	cm_lun;
229 	u_int				cm_flags;
230 #define MPS_CM_FLAGS_POLLED		(1 << 0)
231 #define MPS_CM_FLAGS_COMPLETE		(1 << 1)
232 #define MPS_CM_FLAGS_SGE_SIMPLE		(1 << 2)
233 #define MPS_CM_FLAGS_DATAOUT		(1 << 3)
234 #define MPS_CM_FLAGS_DATAIN		(1 << 4)
235 #define MPS_CM_FLAGS_WAKEUP		(1 << 5)
236 #define MPS_CM_FLAGS_DD_IO		(1 << 6)
237 #define MPS_CM_FLAGS_USE_UIO		(1 << 7)
238 #define MPS_CM_FLAGS_SMP_PASS		(1 << 8)
239 #define	MPS_CM_FLAGS_CHAIN_FAILED	(1 << 9)
240 #define	MPS_CM_FLAGS_ERROR_MASK		MPS_CM_FLAGS_CHAIN_FAILED
241 #define	MPS_CM_FLAGS_USE_CCB		(1 << 10)
242 #define	MPS_CM_FLAGS_SATA_ID_TIMEOUT	(1 << 11)
243 #define MPS_CM_FLAGS_ON_RECOVERY	(1 << 12)
244 #define MPS_CM_FLAGS_TIMEDOUT		(1 << 13)
245 	u_int				cm_state;
246 #define MPS_CM_STATE_FREE		0
247 #define MPS_CM_STATE_BUSY		1
248 #define MPS_CM_STATE_INQUEUE		2
249 	bus_dmamap_t			cm_dmamap;
250 	struct scsi_sense_data		*cm_sense;
251 	TAILQ_HEAD(, mps_chain)		cm_chain_list;
252 	uint32_t			cm_req_busaddr;
253 	uint32_t			cm_sense_busaddr;
254 	struct callout			cm_callout;
255 	mps_command_callback_t		*cm_timeout_handler;
256 };
257 
258 struct mps_column_map {
259 	uint16_t			dev_handle;
260 	uint8_t				phys_disk_num;
261 };
262 
263 struct mps_event_handle {
264 	TAILQ_ENTRY(mps_event_handle)	eh_list;
265 	mps_evt_callback_t		*callback;
266 	void				*data;
267 	u32				mask[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
268 };
269 
270 struct mps_busdma_context {
271 	int				completed;
272 	int				abandoned;
273 	int				error;
274 	bus_addr_t			*addr;
275 	struct mps_softc		*softc;
276 	bus_dmamap_t			buffer_dmamap;
277 	bus_dma_tag_t			buffer_dmat;
278 };
279 
280 struct mps_queue {
281 	struct mps_softc		*sc;
282 	int				qnum;
283 	MPI2_REPLY_DESCRIPTORS_UNION	*post_queue;
284 	int				replypostindex;
285 #ifdef notyet
286 	ck_ring_buffer_t		*ringmem;
287 	ck_ring_buffer_t		*chainmem;
288 	ck_ring_t			req_ring;
289 	ck_ring_t			chain_ring;
290 #endif
291 	bus_dma_tag_t			buffer_dmat;
292 	int				io_cmds_highwater;
293 	int				chain_free_lowwater;
294 	int				chain_alloc_fail;
295 	struct resource			*irq;
296 	void				*intrhand;
297 	int				irq_rid;
298 };
299 
300 struct mps_softc {
301 	device_t			mps_dev;
302 	struct cdev			*mps_cdev;
303 	u_int				mps_flags;
304 #define MPS_FLAGS_INTX		(1 << 0)
305 #define MPS_FLAGS_MSI		(1 << 1)
306 #define MPS_FLAGS_BUSY		(1 << 2)
307 #define MPS_FLAGS_SHUTDOWN	(1 << 3)
308 #define MPS_FLAGS_DIAGRESET	(1 << 4)
309 #define	MPS_FLAGS_ATTACH_DONE	(1 << 5)
310 #define	MPS_FLAGS_WD_AVAILABLE	(1 << 6)
311 #define	MPS_FLAGS_REALLOCATED	(1 << 7)
312 	u_int				mps_debug;
313 	u_int				msi_msgs;
314 	u_int				reqframesz;
315 	u_int				replyframesz;
316 	int				tm_cmds_active;
317 	int				io_cmds_active;
318 	int				io_cmds_highwater;
319 	int				chain_free;
320 	int				max_chains;
321 	int				max_io_pages;
322 	u_int				maxio;
323 	int				chain_free_lowwater;
324 	u_int				enable_ssu;
325 	int				spinup_wait_time;
326 	int				use_phynum;
327 	int				dump_reqs_alltypes;
328 	uint64_t			chain_alloc_fail;
329 	struct sysctl_ctx_list		sysctl_ctx;
330 	struct sysctl_oid		*sysctl_tree;
331 	char                            fw_version[16];
332 	char				msg_version[8];
333 	struct mps_command		*commands;
334 	struct mps_chain		*chains;
335 	struct callout			periodic;
336 	struct callout			device_check_callout;
337 	struct mps_queue		*queues;
338 
339 	struct mpssas_softc		*sassc;
340 	TAILQ_HEAD(, mps_command)	req_list;
341 	TAILQ_HEAD(, mps_command)	high_priority_req_list;
342 	TAILQ_HEAD(, mps_chain)		chain_list;
343 	TAILQ_HEAD(, mps_command)	tm_list;
344 	int				replypostindex;
345 	int				replyfreeindex;
346 
347 	struct resource			*mps_regs_resource;
348 	bus_space_handle_t		mps_bhandle;
349 	bus_space_tag_t			mps_btag;
350 	int				mps_regs_rid;
351 
352 	bus_dma_tag_t			mps_parent_dmat;
353 	bus_dma_tag_t			buffer_dmat;
354 
355 	MPI2_IOC_FACTS_REPLY		*facts;
356 	int				num_reqs;
357 	int				num_prireqs;
358 	int				num_replies;
359 	int				num_chains;
360 	int				fqdepth;	/* Free queue */
361 	int				pqdepth;	/* Post queue */
362 
363 	u32             event_mask[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
364 	TAILQ_HEAD(, mps_event_handle)	event_list;
365 	struct mps_event_handle		*mps_log_eh;
366 
367 	struct mtx			mps_mtx;
368 	struct intr_config_hook		mps_ich;
369 
370 	uint8_t				*req_frames;
371 	bus_addr_t			req_busaddr;
372 	bus_dma_tag_t			req_dmat;
373 	bus_dmamap_t			req_map;
374 
375 	uint8_t				*reply_frames;
376 	bus_addr_t			reply_busaddr;
377 	bus_dma_tag_t			reply_dmat;
378 	bus_dmamap_t			reply_map;
379 
380 	struct scsi_sense_data		*sense_frames;
381 	bus_addr_t			sense_busaddr;
382 	bus_dma_tag_t			sense_dmat;
383 	bus_dmamap_t			sense_map;
384 
385 	uint8_t				*chain_frames;
386 	bus_dma_tag_t			chain_dmat;
387 	bus_dmamap_t			chain_map;
388 
389 	MPI2_REPLY_DESCRIPTORS_UNION	*post_queue;
390 	bus_addr_t			post_busaddr;
391 	uint32_t			*free_queue;
392 	bus_addr_t			free_busaddr;
393 	bus_dma_tag_t			queues_dmat;
394 	bus_dmamap_t			queues_map;
395 
396 	uint8_t				*fw_diag_buffer;
397 	bus_addr_t			fw_diag_busaddr;
398 	bus_dma_tag_t			fw_diag_dmat;
399 	bus_dmamap_t			fw_diag_map;
400 
401 	uint8_t				ir_firmware;
402 
403 	/* static config pages */
404 	Mpi2IOCPage8_t			ioc_pg8;
405 
406 	/* host mapping support */
407 	struct dev_mapping_table	*mapping_table;
408 	struct enc_mapping_table	*enclosure_table;
409 	struct map_removal_table	*removal_table;
410 	uint8_t				*dpm_entry_used;
411 	uint8_t				*dpm_flush_entry;
412 	Mpi2DriverMappingPage0_t	*dpm_pg0;
413 	uint16_t			max_devices;
414 	uint16_t			max_enclosures;
415 	uint16_t			max_expanders;
416 	uint8_t				max_volumes;
417 	uint8_t				num_enc_table_entries;
418 	uint8_t				num_rsvd_entries;
419 	uint16_t			max_dpm_entries;
420 	uint8_t				is_dpm_enable;
421 	uint8_t				track_mapping_events;
422 	uint32_t			pending_map_events;
423 
424 	/* FW diag Buffer List */
425 	mps_fw_diagnostic_buffer_t
426 				fw_diag_buffer_list[MPI2_DIAG_BUF_TYPE_COUNT];
427 
428 	/* Event Recording IOCTL support */
429 	uint32_t			events_to_record[4];
430 	mps_event_entry_t		recorded_events[MPS_EVENT_QUEUE_SIZE];
431 	uint8_t				event_index;
432 	uint32_t			event_number;
433 
434 	/* EEDP and TLR support */
435 	uint8_t				eedp_enabled;
436 	uint8_t				control_TLR;
437 
438 	/* Shutdown Event Handler */
439 	eventhandler_tag		shutdown_eh;
440 
441 	/* To track topo events during reset */
442 #define	MPS_DIAG_RESET_TIMEOUT	300000
443 	uint8_t				wait_for_port_enable;
444 	uint8_t				port_enable_complete;
445 	uint8_t				msleep_fake_chan;
446 
447 	/* WD controller */
448 	uint8_t             WD_available;
449 	uint8_t				WD_valid_config;
450 	uint8_t				WD_hide_expose;
451 
452 	/* Direct Drive for WarpDrive */
453 	uint8_t				DD_num_phys_disks;
454 	uint16_t			DD_dev_handle;
455 	uint32_t			DD_stripe_size;
456 	uint32_t			DD_stripe_exponent;
457 	uint32_t			DD_block_size;
458 	uint16_t			DD_block_exponent;
459 	uint64_t			DD_max_lba;
460 	struct mps_column_map		DD_column_map[MPS_MAX_DISKS_IN_VOL];
461 
462 	/* StartStopUnit command handling at shutdown */
463 	uint32_t			SSU_refcount;
464 	uint8_t				SSU_started;
465 
466 	/* Configuration tunables */
467 	u_int				disable_msix;
468 	u_int				disable_msi;
469 	u_int				max_msix;
470 	u_int				max_reqframes;
471 	u_int				max_prireqframes;
472 	u_int				max_replyframes;
473 	u_int				max_evtframes;
474 	char				exclude_ids[80];
475 
476 	struct timeval			lastfail;
477 };
478 
479 struct mps_config_params {
480 	MPI2_CONFIG_EXT_PAGE_HEADER_UNION	hdr;
481 	u_int		action;
482 	u_int		page_address;	/* Attributes, not a phys address */
483 	u_int		status;
484 	void		*buffer;
485 	u_int		length;
486 	int		timeout;
487 	void		(*callback)(struct mps_softc *, struct mps_config_params *);
488 	void		*cbdata;
489 };
490 
491 struct scsi_read_capacity_eedp
492 {
493 	uint8_t addr[8];
494 	uint8_t length[4];
495 	uint8_t protect;
496 };
497 
498 static __inline uint32_t
499 mps_regread(struct mps_softc *sc, uint32_t offset)
500 {
501 	return (bus_space_read_4(sc->mps_btag, sc->mps_bhandle, offset));
502 }
503 
504 static __inline void
505 mps_regwrite(struct mps_softc *sc, uint32_t offset, uint32_t val)
506 {
507 	bus_space_write_4(sc->mps_btag, sc->mps_bhandle, offset, val);
508 }
509 
510 /* free_queue must have Little Endian address
511  * TODO- cm_reply_data is unwanted. We can remove it.
512  * */
513 static __inline void
514 mps_free_reply(struct mps_softc *sc, uint32_t busaddr)
515 {
516 	if (++sc->replyfreeindex >= sc->fqdepth)
517 		sc->replyfreeindex = 0;
518 	sc->free_queue[sc->replyfreeindex] = htole32(busaddr);
519 	mps_regwrite(sc, MPI2_REPLY_FREE_HOST_INDEX_OFFSET, sc->replyfreeindex);
520 }
521 
522 static __inline struct mps_chain *
523 mps_alloc_chain(struct mps_softc *sc)
524 {
525 	struct mps_chain *chain;
526 
527 	if ((chain = TAILQ_FIRST(&sc->chain_list)) != NULL) {
528 		TAILQ_REMOVE(&sc->chain_list, chain, chain_link);
529 		sc->chain_free--;
530 		if (sc->chain_free < sc->chain_free_lowwater)
531 			sc->chain_free_lowwater = sc->chain_free;
532 	} else
533 		sc->chain_alloc_fail++;
534 	return (chain);
535 }
536 
537 static __inline void
538 mps_free_chain(struct mps_softc *sc, struct mps_chain *chain)
539 {
540 	sc->chain_free++;
541 	TAILQ_INSERT_TAIL(&sc->chain_list, chain, chain_link);
542 }
543 
544 static __inline void
545 mps_free_command(struct mps_softc *sc, struct mps_command *cm)
546 {
547 	struct mps_chain *chain, *chain_temp;
548 
549 	KASSERT(cm->cm_state == MPS_CM_STATE_BUSY,
550 	    ("state not busy: %u\n", cm->cm_state));
551 
552 	if (cm->cm_reply != NULL)
553 		mps_free_reply(sc, cm->cm_reply_data);
554 	cm->cm_reply = NULL;
555 	cm->cm_flags = 0;
556 	cm->cm_complete = NULL;
557 	cm->cm_complete_data = NULL;
558 	cm->cm_ccb = NULL;
559 	cm->cm_targ = NULL;
560 	cm->cm_max_segs = 0;
561 	cm->cm_lun = 0;
562 	cm->cm_state = MPS_CM_STATE_FREE;
563 	cm->cm_data = NULL;
564 	cm->cm_length = 0;
565 	cm->cm_out_len = 0;
566 	cm->cm_sglsize = 0;
567 	cm->cm_sge = NULL;
568 
569 	TAILQ_FOREACH_SAFE(chain, &cm->cm_chain_list, chain_link, chain_temp) {
570 		TAILQ_REMOVE(&cm->cm_chain_list, chain, chain_link);
571 		mps_free_chain(sc, chain);
572 	}
573 	TAILQ_INSERT_TAIL(&sc->req_list, cm, cm_link);
574 }
575 
576 static __inline struct mps_command *
577 mps_alloc_command(struct mps_softc *sc)
578 {
579 	struct mps_command *cm;
580 
581 	cm = TAILQ_FIRST(&sc->req_list);
582 	if (cm == NULL)
583 		return (NULL);
584 
585 	KASSERT(cm->cm_state == MPS_CM_STATE_FREE,
586 	    ("mps: Allocating busy command: %u\n", cm->cm_state));
587 
588 	TAILQ_REMOVE(&sc->req_list, cm, cm_link);
589 	cm->cm_state = MPS_CM_STATE_BUSY;
590 	cm->cm_timeout_handler = NULL;
591 	return (cm);
592 }
593 
594 static __inline void
595 mps_free_high_priority_command(struct mps_softc *sc, struct mps_command *cm)
596 {
597 	struct mps_chain *chain, *chain_temp;
598 
599 	KASSERT(cm->cm_state == MPS_CM_STATE_BUSY,
600 	    ("state not busy: %u\n", cm->cm_state));
601 
602 	if (cm->cm_reply != NULL)
603 		mps_free_reply(sc, cm->cm_reply_data);
604 	cm->cm_reply = NULL;
605 	cm->cm_flags = 0;
606 	cm->cm_complete = NULL;
607 	cm->cm_complete_data = NULL;
608 	cm->cm_ccb = NULL;
609 	cm->cm_targ = NULL;
610 	cm->cm_lun = 0;
611 	cm->cm_state = MPS_CM_STATE_FREE;
612 	TAILQ_FOREACH_SAFE(chain, &cm->cm_chain_list, chain_link, chain_temp) {
613 		TAILQ_REMOVE(&cm->cm_chain_list, chain, chain_link);
614 		mps_free_chain(sc, chain);
615 	}
616 	TAILQ_INSERT_TAIL(&sc->high_priority_req_list, cm, cm_link);
617 }
618 
619 static __inline struct mps_command *
620 mps_alloc_high_priority_command(struct mps_softc *sc)
621 {
622 	struct mps_command *cm;
623 
624 	cm = TAILQ_FIRST(&sc->high_priority_req_list);
625 	if (cm == NULL)
626 		return (NULL);
627 
628 	KASSERT(cm->cm_state == MPS_CM_STATE_FREE,
629 	    ("mps: Allocating high priority busy command: %u\n", cm->cm_state));
630 
631 	TAILQ_REMOVE(&sc->high_priority_req_list, cm, cm_link);
632 	cm->cm_state = MPS_CM_STATE_BUSY;
633 	cm->cm_timeout_handler = NULL;
634 	cm->cm_desc.HighPriority.RequestFlags =
635 	    MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
636 	return (cm);
637 }
638 
639 static __inline void
640 mps_lock(struct mps_softc *sc)
641 {
642 	mtx_lock(&sc->mps_mtx);
643 }
644 
645 static __inline void
646 mps_unlock(struct mps_softc *sc)
647 {
648 	mtx_unlock(&sc->mps_mtx);
649 }
650 
651 #define MPS_INFO	(1 << 0)	/* Basic info */
652 #define MPS_FAULT	(1 << 1)	/* Hardware faults */
653 #define MPS_EVENT	(1 << 2)	/* Event data from the controller */
654 #define MPS_LOG		(1 << 3)	/* Log data from the controller */
655 #define MPS_RECOVERY	(1 << 4)	/* Command error recovery tracing */
656 #define MPS_ERROR	(1 << 5)	/* Parameter errors, programming bugs */
657 #define MPS_INIT	(1 << 6)	/* Things related to system init */
658 #define MPS_XINFO	(1 << 7)	/* More detailed/noisy info */
659 #define MPS_USER	(1 << 8)	/* Trace user-generated commands */
660 #define MPS_MAPPING	(1 << 9)	/* Trace device mappings */
661 #define MPS_TRACE	(1 << 10)	/* Function-by-function trace */
662 
663 #define	MPS_SSU_DISABLE_SSD_DISABLE_HDD	0
664 #define	MPS_SSU_ENABLE_SSD_DISABLE_HDD	1
665 #define	MPS_SSU_DISABLE_SSD_ENABLE_HDD	2
666 #define	MPS_SSU_ENABLE_SSD_ENABLE_HDD	3
667 
668 #define mps_printf(sc, args...)				\
669 	device_printf((sc)->mps_dev, ##args)
670 
671 #define mps_print_field(sc, msg, args...)		\
672 	printf("\t" msg, ##args)
673 
674 #define mps_vprintf(sc, args...)			\
675 do {							\
676 	if (bootverbose)				\
677 		mps_printf(sc, ##args);			\
678 } while (0)
679 
680 #define mps_dprint(sc, level, msg, args...)		\
681 do {							\
682 	if ((sc)->mps_debug & (level))			\
683 		device_printf((sc)->mps_dev, msg, ##args);	\
684 } while (0)
685 
686 #define MPS_PRINTFIELD_START(sc, tag...)	\
687 	mps_printf((sc), ##tag);			\
688 	mps_print_field((sc), ":\n")
689 #define MPS_PRINTFIELD_END(sc, tag)		\
690 	mps_printf((sc), tag "\n")
691 #define MPS_PRINTFIELD(sc, facts, attr, fmt)	\
692 	mps_print_field((sc), #attr ": " #fmt "\n", (facts)->attr)
693 
694 #define MPS_FUNCTRACE(sc)			\
695 	mps_dprint((sc), MPS_TRACE, "%s\n", __func__)
696 
697 #define  CAN_SLEEP                      1
698 #define  NO_SLEEP                       0
699 
700 static __inline void
701 mps_from_u64(uint64_t data, U64 *mps)
702 {
703 	(mps)->High = htole32((uint32_t)((data) >> 32));
704 	(mps)->Low = htole32((uint32_t)((data) & 0xffffffff));
705 }
706 
707 static __inline uint64_t
708 mps_to_u64(U64 *data)
709 {
710 
711 	return (((uint64_t)le32toh(data->High) << 32) | le32toh(data->Low));
712 }
713 
714 static __inline void
715 mps_mask_intr(struct mps_softc *sc)
716 {
717 	uint32_t mask;
718 
719 	mask = mps_regread(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET);
720 	mask |= MPI2_HIM_REPLY_INT_MASK;
721 	mps_regwrite(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET, mask);
722 }
723 
724 static __inline void
725 mps_unmask_intr(struct mps_softc *sc)
726 {
727 	uint32_t mask;
728 
729 	mask = mps_regread(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET);
730 	mask &= ~MPI2_HIM_REPLY_INT_MASK;
731 	mps_regwrite(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET, mask);
732 }
733 
734 int mps_pci_setup_interrupts(struct mps_softc *sc);
735 void mps_pci_free_interrupts(struct mps_softc *sc);
736 int mps_pci_restore(struct mps_softc *sc);
737 
738 void mps_get_tunables(struct mps_softc *sc);
739 int mps_attach(struct mps_softc *sc);
740 int mps_free(struct mps_softc *sc);
741 void mps_intr(void *);
742 void mps_intr_msi(void *);
743 void mps_intr_locked(void *);
744 int mps_register_events(struct mps_softc *, u32 *, mps_evt_callback_t *,
745     void *, struct mps_event_handle **);
746 int mps_restart(struct mps_softc *);
747 int mps_update_events(struct mps_softc *, struct mps_event_handle *, u32 *);
748 void mps_deregister_events(struct mps_softc *, struct mps_event_handle *);
749 int mps_push_sge(struct mps_command *, void *, size_t, int);
750 int mps_add_dmaseg(struct mps_command *, vm_paddr_t, size_t, u_int, int);
751 int mps_attach_sas(struct mps_softc *sc);
752 int mps_detach_sas(struct mps_softc *sc);
753 int mps_read_config_page(struct mps_softc *, struct mps_config_params *);
754 int mps_write_config_page(struct mps_softc *, struct mps_config_params *);
755 void mps_memaddr_cb(void *, bus_dma_segment_t *, int , int );
756 void mps_memaddr_wait_cb(void *, bus_dma_segment_t *, int , int );
757 void mpi_init_sge(struct mps_command *cm, void *req, void *sge);
758 int mps_attach_user(struct mps_softc *);
759 void mps_detach_user(struct mps_softc *);
760 void mpssas_record_event(struct mps_softc *sc,
761     MPI2_EVENT_NOTIFICATION_REPLY *event_reply);
762 
763 int mps_map_command(struct mps_softc *sc, struct mps_command *cm);
764 int mps_wait_command(struct mps_softc *sc, struct mps_command **cm, int timeout,
765     int sleep_flag);
766 
767 int mps_config_get_bios_pg3(struct mps_softc *sc, Mpi2ConfigReply_t
768     *mpi_reply, Mpi2BiosPage3_t *config_page);
769 int mps_config_get_raid_volume_pg0(struct mps_softc *sc, Mpi2ConfigReply_t
770     *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 page_address);
771 int mps_config_get_ioc_pg8(struct mps_softc *sc, Mpi2ConfigReply_t *,
772     Mpi2IOCPage8_t *);
773 int mps_config_get_man_pg10(struct mps_softc *sc, Mpi2ConfigReply_t *mpi_reply);
774 int mps_config_get_sas_device_pg0(struct mps_softc *, Mpi2ConfigReply_t *,
775     Mpi2SasDevicePage0_t *, u32 , u16 );
776 int mps_config_get_dpm_pg0(struct mps_softc *, Mpi2ConfigReply_t *,
777     Mpi2DriverMappingPage0_t *, u16 );
778 int mps_config_get_raid_volume_pg1(struct mps_softc *sc,
779     Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
780     u16 handle);
781 int mps_config_get_volume_wwid(struct mps_softc *sc, u16 volume_handle,
782     u64 *wwid);
783 int mps_config_get_raid_pd_pg0(struct mps_softc *sc,
784     Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page,
785     u32 page_address);
786 void mpssas_ir_shutdown(struct mps_softc *sc, int howto);
787 
788 int mps_reinit(struct mps_softc *sc);
789 void mpssas_handle_reinit(struct mps_softc *sc);
790 
791 void mps_base_static_config_pages(struct mps_softc *sc);
792 void mps_wd_config_pages(struct mps_softc *sc);
793 
794 int mps_mapping_initialize(struct mps_softc *);
795 void mps_mapping_topology_change_event(struct mps_softc *,
796     Mpi2EventDataSasTopologyChangeList_t *);
797 void mps_mapping_free_memory(struct mps_softc *sc);
798 int mps_config_set_dpm_pg0(struct mps_softc *, Mpi2ConfigReply_t *,
799     Mpi2DriverMappingPage0_t *, u16 );
800 void mps_mapping_exit(struct mps_softc *);
801 void mps_mapping_check_devices(void *);
802 int mps_mapping_allocate_memory(struct mps_softc *sc);
803 unsigned int mps_mapping_get_tid(struct mps_softc *, uint64_t , u16);
804 unsigned int mps_mapping_get_tid_from_handle(struct mps_softc *sc,
805     u16 handle);
806 unsigned int mps_mapping_get_raid_tid(struct mps_softc *sc, u64 wwid,
807      u16 volHandle);
808 unsigned int mps_mapping_get_raid_tid_from_handle(struct mps_softc *sc,
809     u16 volHandle);
810 void mps_mapping_enclosure_dev_status_change_event(struct mps_softc *,
811     Mpi2EventDataSasEnclDevStatusChange_t *event_data);
812 void mps_mapping_ir_config_change_event(struct mps_softc *sc,
813     Mpi2EventDataIrConfigChangeList_t *event_data);
814 int mps_mapping_dump(SYSCTL_HANDLER_ARGS);
815 int mps_mapping_encl_dump(SYSCTL_HANDLER_ARGS);
816 
817 void mpssas_evt_handler(struct mps_softc *sc, uintptr_t data,
818     MPI2_EVENT_NOTIFICATION_REPLY *event);
819 void mpssas_prepare_remove(struct mpssas_softc *sassc, uint16_t handle);
820 void mpssas_prepare_volume_remove(struct mpssas_softc *sassc, uint16_t handle);
821 int mpssas_startup(struct mps_softc *sc);
822 struct mpssas_target * mpssas_find_target_by_handle(struct mpssas_softc *, int, uint16_t);
823 void mpssas_realloc_targets(struct mps_softc *sc, int maxtargets);
824 struct mps_command * mpssas_alloc_tm(struct mps_softc *sc);
825 void mpssas_free_tm(struct mps_softc *sc, struct mps_command *tm);
826 void mpssas_release_simq_reinit(struct mpssas_softc *sassc);
827 int mpssas_send_reset(struct mps_softc *sc, struct mps_command *tm,
828     uint8_t type);
829 
830 SYSCTL_DECL(_hw_mps);
831 
832 /* Compatibility shims for different OS versions */
833 #if defined(CAM_PRIORITY_XPT)
834 #define MPS_PRIORITY_XPT	CAM_PRIORITY_XPT
835 #else
836 #define MPS_PRIORITY_XPT	5
837 #endif
838 
839 #endif
840