xref: /freebsd/sys/dev/mpr/mprvar.h (revision 40a8ac8f62b535d30349faf28cf47106b7041b83)
1 /*-
2  * Copyright (c) 2009 Yahoo! Inc.
3  * Copyright (c) 2011-2014 LSI Corp.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  */
29 
30 #ifndef _MPRVAR_H
31 #define _MPRVAR_H
32 
33 #define MPR_DRIVER_VERSION	"05.255.05.00-fbsd"
34 
35 #define MPR_DB_MAX_WAIT		2500
36 
37 #define MPR_REQ_FRAMES		1024
38 #define MPR_EVT_REPLY_FRAMES	32
39 #define MPR_REPLY_FRAMES	MPR_REQ_FRAMES
40 #define MPR_CHAIN_FRAMES	2048
41 #define MPR_SENSE_LEN		SSD_FULL_SIZE
42 #define MPR_MSI_COUNT		1
43 #define MPR_SGE64_SIZE		12
44 #define MPR_SGE32_SIZE		8
45 #define MPR_SGC_SIZE		8
46 
47 #define MPR_FUNCTRACE(sc)			\
48 	mpr_dprint((sc), MPR_TRACE, "%s\n", __func__)
49 
50 #define	 CAN_SLEEP			1
51 #define  NO_SLEEP			0
52 
53 #define MPR_PERIODIC_DELAY	1	/* 1 second heartbeat/watchdog check */
54 
55 #define	IFAULT_IOP_OVER_TEMP_THRESHOLD_EXCEEDED	0x2810
56 
57 #define MPR_SCSI_RI_INVALID_FRAME	(0x00000002)
58 #define MPR_STRING_LENGTH               64
59 
60 #include <sys/endian.h>
61 
62 /*
63  * host mapping related macro definitions
64  */
65 #define MPR_MAPTABLE_BAD_IDX	0xFFFFFFFF
66 #define MPR_DPM_BAD_IDX		0xFFFF
67 #define MPR_ENCTABLE_BAD_IDX	0xFF
68 #define MPR_MAX_MISSING_COUNT	0x0F
69 #define MPR_DEV_RESERVED	0x20000000
70 #define MPR_MAP_IN_USE		0x10000000
71 #define MPR_RAID_CHANNEL	1
72 #define MPR_MAP_BAD_ID		0xFFFFFFFF
73 
74 typedef uint8_t u8;
75 typedef uint16_t u16;
76 typedef uint32_t u32;
77 typedef uint64_t u64;
78 
79 /**
80  * struct dev_mapping_table - device mapping information
81  * @physical_id: SAS address for drives or WWID for RAID volumes
82  * @device_info: bitfield provides detailed info about the device
83  * @phy_bits: bitfields indicating controller phys
84  * @dpm_entry_num: index of this device in device persistent map table
85  * @dev_handle: device handle for the device pointed by this entry
86  * @channel: target channel
87  * @id: target id
88  * @missing_count: number of times the device not detected by driver
89  * @hide_flag: Hide this physical disk/not (foreign configuration)
90  * @init_complete: Whether the start of the day checks completed or not
91  * @TLR_bits: Turn TLR support on or off
92  */
93 struct dev_mapping_table {
94 	u64	physical_id;
95 	u32	device_info;
96 	u32	phy_bits;
97 	u16	dpm_entry_num;
98 	u16	dev_handle;
99 	u8	reserved1;
100 	u8	channel;
101 	u16	id;
102 	u8	missing_count;
103 	u8	init_complete;
104 	u8	TLR_bits;
105 	u8	reserved2;
106 };
107 
108 /**
109  * struct enc_mapping_table -  mapping information about an enclosure
110  * @enclosure_id: Logical ID of this enclosure
111  * @start_index: index to the entry in dev_mapping_table
112  * @phy_bits: bitfields indicating controller phys
113  * @dpm_entry_num: index of this enclosure in device persistent map table
114  * @enc_handle: device handle for the enclosure pointed by this entry
115  * @num_slots: number of slots in the enclosure
116  * @start_slot: Starting slot id
117  * @missing_count: number of times the device not detected by driver
118  * @removal_flag: used to mark the device for removal
119  * @skip_search: used as a flag to include/exclude enclosure for search
120  * @init_complete: Whether the start of the day checks completed or not
121  */
122 struct enc_mapping_table {
123 	u64	enclosure_id;
124 	u32	start_index;
125 	u32	phy_bits;
126 	u16	dpm_entry_num;
127 	u16	enc_handle;
128 	u16	num_slots;
129 	u16	start_slot;
130 	u8	missing_count;
131 	u8	removal_flag;
132 	u8	skip_search;
133 	u8	init_complete;
134 };
135 
136 /**
137  * struct map_removal_table - entries to be removed from mapping table
138  * @dpm_entry_num: index of this device in device persistent map table
139  * @dev_handle: device handle for the device pointed by this entry
140  */
141 struct map_removal_table{
142 	u16	dpm_entry_num;
143 	u16	dev_handle;
144 };
145 
146 typedef struct mpr_fw_diagnostic_buffer {
147 	size_t		size;
148 	uint8_t		extended_type;
149 	uint8_t		buffer_type;
150 	uint8_t		force_release;
151 	uint32_t	product_specific[23];
152 	uint8_t		immediate;
153 	uint8_t		enabled;
154 	uint8_t		valid_data;
155 	uint8_t		owned_by_firmware;
156 	uint32_t	unique_id;
157 } mpr_fw_diagnostic_buffer_t;
158 
159 struct mpr_softc;
160 struct mpr_command;
161 struct mprsas_softc;
162 union ccb;
163 struct mprsas_target;
164 struct mpr_column_map;
165 
166 MALLOC_DECLARE(M_MPR);
167 
168 typedef void mpr_evt_callback_t(struct mpr_softc *, uintptr_t,
169     MPI2_EVENT_NOTIFICATION_REPLY *reply);
170 typedef void mpr_command_callback_t(struct mpr_softc *, struct mpr_command *cm);
171 
172 struct mpr_chain {
173 	TAILQ_ENTRY(mpr_chain)		chain_link;
174 	void				*chain;
175 	uint64_t			chain_busaddr;
176 };
177 
178 /*
179  * This needs to be at least 2 to support SMP passthrough.
180  */
181 #define       MPR_IOVEC_COUNT 2
182 
183 struct mpr_command {
184 	TAILQ_ENTRY(mpr_command)	cm_link;
185 	TAILQ_ENTRY(mpr_command)	cm_recovery;
186 	struct mpr_softc		*cm_sc;
187 	union ccb			*cm_ccb;
188 	void				*cm_data;
189 	u_int				cm_length;
190 	u_int				cm_out_len;
191 	struct uio			cm_uio;
192 	struct iovec			cm_iovec[MPR_IOVEC_COUNT];
193 	u_int				cm_max_segs;
194 	u_int				cm_sglsize;
195 	void				*cm_sge;
196 	uint8_t				*cm_req;
197 	uint8_t				*cm_reply;
198 	uint32_t			cm_reply_data;
199 	mpr_command_callback_t		*cm_complete;
200 	void				*cm_complete_data;
201 	struct mprsas_target		*cm_targ;
202 	MPI2_REQUEST_DESCRIPTOR_UNION	cm_desc;
203 	u_int	                	cm_lun;
204 	u_int				cm_flags;
205 #define MPR_CM_FLAGS_POLLED		(1 << 0)
206 #define MPR_CM_FLAGS_COMPLETE		(1 << 1)
207 #define MPR_CM_FLAGS_SGE_SIMPLE		(1 << 2)
208 #define MPR_CM_FLAGS_DATAOUT		(1 << 3)
209 #define MPR_CM_FLAGS_DATAIN		(1 << 4)
210 #define MPR_CM_FLAGS_WAKEUP		(1 << 5)
211 #define MPR_CM_FLAGS_USE_UIO		(1 << 6)
212 #define MPR_CM_FLAGS_SMP_PASS		(1 << 7)
213 #define	MPR_CM_FLAGS_CHAIN_FAILED	(1 << 8)
214 #define	MPR_CM_FLAGS_ERROR_MASK		MPR_CM_FLAGS_CHAIN_FAILED
215 #define	MPR_CM_FLAGS_USE_CCB		(1 << 9)
216 	u_int				cm_state;
217 #define MPR_CM_STATE_FREE		0
218 #define MPR_CM_STATE_BUSY		1
219 #define MPR_CM_STATE_TIMEDOUT		2
220 	bus_dmamap_t			cm_dmamap;
221 	struct scsi_sense_data		*cm_sense;
222 	TAILQ_HEAD(, mpr_chain)	cm_chain_list;
223 	uint32_t			cm_req_busaddr;
224 	uint32_t			cm_sense_busaddr;
225 	struct callout			cm_callout;
226 };
227 
228 struct mpr_column_map {
229 	uint16_t			dev_handle;
230 	uint8_t				phys_disk_num;
231 };
232 
233 struct mpr_event_handle {
234 	TAILQ_ENTRY(mpr_event_handle)	eh_list;
235 	mpr_evt_callback_t		*callback;
236 	void				*data;
237 	uint8_t				mask[16];
238 };
239 
240 struct mpr_softc {
241 	device_t			mpr_dev;
242 	struct cdev			*mpr_cdev;
243 	u_int				mpr_flags;
244 #define MPR_FLAGS_INTX		(1 << 0)
245 #define MPR_FLAGS_MSI		(1 << 1)
246 #define MPR_FLAGS_BUSY		(1 << 2)
247 #define MPR_FLAGS_SHUTDOWN	(1 << 3)
248 #define MPR_FLAGS_DIAGRESET	(1 << 4)
249 #define	MPR_FLAGS_ATTACH_DONE	(1 << 5)
250 	u_int				mpr_debug;
251 	u_int				disable_msix;
252 	u_int				disable_msi;
253 	int				tm_cmds_active;
254 	int				io_cmds_active;
255 	int				io_cmds_highwater;
256 	int				chain_free;
257 	int				max_chains;
258 	int				chain_free_lowwater;
259 #if __FreeBSD_version >= 900030
260 	uint64_t			chain_alloc_fail;
261 #endif
262 	struct sysctl_ctx_list		sysctl_ctx;
263 	struct sysctl_oid		*sysctl_tree;
264 	char                            fw_version[16];
265 	struct mpr_command		*commands;
266 	struct mpr_chain		*chains;
267 	struct callout			periodic;
268 
269 	struct mprsas_softc		*sassc;
270 	char            tmp_string[MPR_STRING_LENGTH];
271 	TAILQ_HEAD(, mpr_command)	req_list;
272 	TAILQ_HEAD(, mpr_command)	high_priority_req_list;
273 	TAILQ_HEAD(, mpr_chain)	chain_list;
274 	TAILQ_HEAD(, mpr_command)	tm_list;
275 	int				replypostindex;
276 	int				replyfreeindex;
277 
278 	struct resource			*mpr_regs_resource;
279 	bus_space_handle_t		mpr_bhandle;
280 	bus_space_tag_t			mpr_btag;
281 	int				mpr_regs_rid;
282 
283 	bus_dma_tag_t			mpr_parent_dmat;
284 	bus_dma_tag_t			buffer_dmat;
285 
286 	MPI2_IOC_FACTS_REPLY		*facts;
287 	int				num_reqs;
288 	int				num_replies;
289 	int				fqdepth;	/* Free queue */
290 	int				pqdepth;	/* Post queue */
291 
292 	uint8_t				event_mask[16];
293 	TAILQ_HEAD(, mpr_event_handle)	event_list;
294 	struct mpr_event_handle	*mpr_log_eh;
295 
296 	struct mtx			mpr_mtx;
297 	struct intr_config_hook		mpr_ich;
298 	struct resource			*mpr_irq[MPR_MSI_COUNT];
299 	void				*mpr_intrhand[MPR_MSI_COUNT];
300 	int				mpr_irq_rid[MPR_MSI_COUNT];
301 
302 	uint8_t				*req_frames;
303 	bus_addr_t			req_busaddr;
304 	bus_dma_tag_t			req_dmat;
305 	bus_dmamap_t			req_map;
306 
307 	uint8_t				*reply_frames;
308 	bus_addr_t			reply_busaddr;
309 	bus_dma_tag_t			reply_dmat;
310 	bus_dmamap_t			reply_map;
311 
312 	struct scsi_sense_data		*sense_frames;
313 	bus_addr_t			sense_busaddr;
314 	bus_dma_tag_t			sense_dmat;
315 	bus_dmamap_t			sense_map;
316 
317 	uint8_t				*chain_frames;
318 	bus_addr_t			chain_busaddr;
319 	bus_dma_tag_t			chain_dmat;
320 	bus_dmamap_t			chain_map;
321 
322 	MPI2_REPLY_DESCRIPTORS_UNION	*post_queue;
323 	bus_addr_t			post_busaddr;
324 	uint32_t			*free_queue;
325 	bus_addr_t			free_busaddr;
326 	bus_dma_tag_t			queues_dmat;
327 	bus_dmamap_t			queues_map;
328 
329 	uint8_t				*fw_diag_buffer;
330 	bus_addr_t			fw_diag_busaddr;
331 	bus_dma_tag_t			fw_diag_dmat;
332 	bus_dmamap_t			fw_diag_map;
333 
334 	uint8_t				ir_firmware;
335 
336 	/* static config pages */
337 	Mpi2IOCPage8_t			ioc_pg8;
338 	Mpi2IOUnitPage8_t		iounit_pg8;
339 
340 	/* host mapping support */
341 	struct dev_mapping_table	*mapping_table;
342 	struct enc_mapping_table	*enclosure_table;
343 	struct map_removal_table	*removal_table;
344 	uint8_t				*dpm_entry_used;
345 	uint8_t				*dpm_flush_entry;
346 	Mpi2DriverMappingPage0_t	*dpm_pg0;
347 	uint16_t			max_devices;
348 	uint16_t			max_enclosures;
349 	uint16_t			max_expanders;
350 	uint8_t				max_volumes;
351 	uint8_t				num_enc_table_entries;
352 	uint8_t				num_rsvd_entries;
353 	uint8_t				num_channels;
354 	uint16_t			max_dpm_entries;
355 	uint8_t				is_dpm_enable;
356 	uint8_t				track_mapping_events;
357 	uint32_t			pending_map_events;
358 	uint8_t				mt_full_retry;
359 	uint8_t				mt_add_device_failed;
360 
361 	/* FW diag Buffer List */
362 	mpr_fw_diagnostic_buffer_t
363 				fw_diag_buffer_list[MPI2_DIAG_BUF_TYPE_COUNT];
364 
365 	/* Event Recording IOCTL support */
366 	uint32_t			events_to_record[4];
367 	mpr_event_entry_t		recorded_events[MPR_EVENT_QUEUE_SIZE];
368 	uint8_t				event_index;
369 	uint32_t			event_number;
370 
371 	/* EEDP and TLR support */
372 	uint8_t				eedp_enabled;
373 	uint8_t				control_TLR;
374 
375 	/* Shutdown Event Handler */
376 	eventhandler_tag		shutdown_eh;
377 
378 	/* To track topo events during reset */
379 #define	MPR_DIAG_RESET_TIMEOUT	300000
380 	uint8_t				wait_for_port_enable;
381 	uint8_t				port_enable_complete;
382 	uint8_t				msleep_fake_chan;
383 
384 	/* StartStopUnit command handling at shutdown */
385 	uint32_t			SSU_refcount;
386 	uint8_t				SSU_started;
387 
388 	char				exclude_ids[80];
389 	struct timeval			lastfail;
390 };
391 
392 struct mpr_config_params {
393 	MPI2_CONFIG_EXT_PAGE_HEADER_UNION	hdr;
394 	u_int		action;
395 	u_int		page_address;	/* Attributes, not a phys address */
396 	u_int		status;
397 	void		*buffer;
398 	u_int		length;
399 	int		timeout;
400 	void		(*callback)(struct mpr_softc *, struct mpr_config_params *);
401 	void		*cbdata;
402 };
403 
404 struct scsi_read_capacity_eedp
405 {
406 	uint8_t addr[8];
407 	uint8_t length[4];
408 	uint8_t protect;
409 };
410 
411 static __inline uint32_t
412 mpr_regread(struct mpr_softc *sc, uint32_t offset)
413 {
414 	return (bus_space_read_4(sc->mpr_btag, sc->mpr_bhandle, offset));
415 }
416 
417 static __inline void
418 mpr_regwrite(struct mpr_softc *sc, uint32_t offset, uint32_t val)
419 {
420 	bus_space_write_4(sc->mpr_btag, sc->mpr_bhandle, offset, val);
421 }
422 
423 /* free_queue must have Little Endian address
424  * TODO- cm_reply_data is unwanted. We can remove it.
425  * */
426 static __inline void
427 mpr_free_reply(struct mpr_softc *sc, uint32_t busaddr)
428 {
429 	if (++sc->replyfreeindex >= sc->fqdepth)
430 		sc->replyfreeindex = 0;
431 	sc->free_queue[sc->replyfreeindex] = htole32(busaddr);
432 	mpr_regwrite(sc, MPI2_REPLY_FREE_HOST_INDEX_OFFSET, sc->replyfreeindex);
433 }
434 
435 static __inline struct mpr_chain *
436 mpr_alloc_chain(struct mpr_softc *sc)
437 {
438 	struct mpr_chain *chain;
439 
440 	if ((chain = TAILQ_FIRST(&sc->chain_list)) != NULL) {
441 		TAILQ_REMOVE(&sc->chain_list, chain, chain_link);
442 		sc->chain_free--;
443 		if (sc->chain_free < sc->chain_free_lowwater)
444 			sc->chain_free_lowwater = sc->chain_free;
445 	}
446 #if __FreeBSD_version >= 900030
447 	else
448 		sc->chain_alloc_fail++;
449 #endif
450 	return (chain);
451 }
452 
453 static __inline void
454 mpr_free_chain(struct mpr_softc *sc, struct mpr_chain *chain)
455 {
456 #if 0
457 	bzero(chain->chain, 128);
458 #endif
459 	sc->chain_free++;
460 	TAILQ_INSERT_TAIL(&sc->chain_list, chain, chain_link);
461 }
462 
463 static __inline void
464 mpr_free_command(struct mpr_softc *sc, struct mpr_command *cm)
465 {
466 	struct mpr_chain *chain, *chain_temp;
467 
468 	if (cm->cm_reply != NULL)
469 		mpr_free_reply(sc, cm->cm_reply_data);
470 	cm->cm_reply = NULL;
471 	cm->cm_flags = 0;
472 	cm->cm_complete = NULL;
473 	cm->cm_complete_data = NULL;
474 	cm->cm_ccb = NULL;
475 	cm->cm_targ = NULL;
476 	cm->cm_max_segs = 0;
477 	cm->cm_lun = 0;
478 	cm->cm_state = MPR_CM_STATE_FREE;
479 	cm->cm_data = NULL;
480 	cm->cm_length = 0;
481 	cm->cm_out_len = 0;
482 	cm->cm_sglsize = 0;
483 	cm->cm_sge = NULL;
484 
485 	TAILQ_FOREACH_SAFE(chain, &cm->cm_chain_list, chain_link, chain_temp) {
486 		TAILQ_REMOVE(&cm->cm_chain_list, chain, chain_link);
487 		mpr_free_chain(sc, chain);
488 	}
489 	TAILQ_INSERT_TAIL(&sc->req_list, cm, cm_link);
490 }
491 
492 static __inline struct mpr_command *
493 mpr_alloc_command(struct mpr_softc *sc)
494 {
495 	struct mpr_command *cm;
496 
497 	cm = TAILQ_FIRST(&sc->req_list);
498 	if (cm == NULL)
499 		return (NULL);
500 
501 	TAILQ_REMOVE(&sc->req_list, cm, cm_link);
502 	KASSERT(cm->cm_state == MPR_CM_STATE_FREE, ("mpr: Allocating busy command\n"));
503 	cm->cm_state = MPR_CM_STATE_BUSY;
504 	return (cm);
505 }
506 
507 static __inline void
508 mpr_free_high_priority_command(struct mpr_softc *sc, struct mpr_command *cm)
509 {
510 	struct mpr_chain *chain, *chain_temp;
511 
512 	if (cm->cm_reply != NULL)
513 		mpr_free_reply(sc, cm->cm_reply_data);
514 	cm->cm_reply = NULL;
515 	cm->cm_flags = 0;
516 	cm->cm_complete = NULL;
517 	cm->cm_complete_data = NULL;
518 	cm->cm_ccb = NULL;
519 	cm->cm_targ = NULL;
520 	cm->cm_lun = 0;
521 	cm->cm_state = MPR_CM_STATE_FREE;
522 	TAILQ_FOREACH_SAFE(chain, &cm->cm_chain_list, chain_link, chain_temp) {
523 		TAILQ_REMOVE(&cm->cm_chain_list, chain, chain_link);
524 		mpr_free_chain(sc, chain);
525 	}
526 	TAILQ_INSERT_TAIL(&sc->high_priority_req_list, cm, cm_link);
527 }
528 
529 static __inline struct mpr_command *
530 mpr_alloc_high_priority_command(struct mpr_softc *sc)
531 {
532 	struct mpr_command *cm;
533 
534 	cm = TAILQ_FIRST(&sc->high_priority_req_list);
535 	if (cm == NULL)
536 		return (NULL);
537 
538 	TAILQ_REMOVE(&sc->high_priority_req_list, cm, cm_link);
539 	KASSERT(cm->cm_state == MPR_CM_STATE_FREE, ("mpr: Allocating busy command\n"));
540 	cm->cm_state = MPR_CM_STATE_BUSY;
541 	return (cm);
542 }
543 
544 static __inline void
545 mpr_lock(struct mpr_softc *sc)
546 {
547 	mtx_lock(&sc->mpr_mtx);
548 }
549 
550 static __inline void
551 mpr_unlock(struct mpr_softc *sc)
552 {
553 	mtx_unlock(&sc->mpr_mtx);
554 }
555 
556 #define MPR_INFO	(1 << 0)	/* Basic info */
557 #define MPR_FAULT	(1 << 1)	/* Hardware faults */
558 #define MPR_EVENT	(1 << 2)	/* Event data from the controller */
559 #define MPR_LOG		(1 << 3)	/* Log data from the controller */
560 #define MPR_RECOVERY	(1 << 4)	/* Command error recovery tracing */
561 #define MPR_ERROR	(1 << 5)	/* Parameter errors, programming bugs */
562 #define MPR_INIT	(1 << 6)	/* Things related to system init */
563 #define MPR_XINFO	(1 << 7)	/* More detailed/noisy info */
564 #define MPR_USER	(1 << 8)	/* Trace user-generated commands */
565 #define MPR_MAPPING	(1 << 9)	/* Trace device mappings */
566 #define MPR_TRACE	(1 << 10)	/* Function-by-function trace */
567 
568 #define mpr_printf(sc, args...)				\
569 	device_printf((sc)->mpr_dev, ##args)
570 
571 #define mpr_vprintf(sc, args...)			\
572 do {							\
573 	if (bootverbose)				\
574 		mpr_printf(sc, ##args);			\
575 } while (0)
576 
577 #define mpr_dprint(sc, level, msg, args...)		\
578 do {							\
579 	if ((sc)->mpr_debug & level)			\
580 		device_printf((sc)->mpr_dev, msg, ##args);	\
581 } while (0)
582 
583 #define mpr_dprint_field(sc, level, msg, args...)		\
584 do {								\
585 	if ((sc)->mpr_debug & level)				\
586 		printf("\t" msg, ##args);			\
587 } while (0)
588 
589 #define MPR_PRINTFIELD_START(sc, tag...)	\
590 	mpr_dprint((sc), MPR_INFO, ##tag);	\
591 	mpr_dprint_field((sc), MPR_INFO, ":\n")
592 #define MPR_PRINTFIELD_END(sc, tag)		\
593 	mpr_dprint((sc), MPR_INFO, tag "\n")
594 #define MPR_PRINTFIELD(sc, facts, attr, fmt)	\
595 	mpr_dprint_field((sc), MPR_INFO, #attr ": " #fmt "\n", (facts)->attr)
596 
597 #define MPR_EVENTFIELD_START(sc, tag...)	\
598 	mpr_dprint((sc), MPR_EVENT, ##tag);	\
599 	mpr_dprint_field((sc), MPR_EVENT, ":\n")
600 #define MPR_EVENTFIELD(sc, facts, attr, fmt)	\
601 	mpr_dprint_field((sc), MPR_EVENT, #attr ": " #fmt "\n", (facts)->attr)
602 
603 #define  CAN_SLEEP                      1
604 #define  NO_SLEEP                       0
605 
606 static __inline void
607 mpr_from_u64(uint64_t data, U64 *mpr)
608 {
609 	(mpr)->High = htole32((uint32_t)((data) >> 32));
610 	(mpr)->Low = htole32((uint32_t)((data) & 0xffffffff));
611 }
612 
613 static __inline uint64_t
614 mpr_to_u64(U64 *data)
615 {
616 
617 	return (((uint64_t)le32toh(data->High) << 32) | le32toh(data->Low));
618 }
619 
620 static __inline void
621 mpr_mask_intr(struct mpr_softc *sc)
622 {
623 	uint32_t mask;
624 
625 	mask = mpr_regread(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET);
626 	mask |= MPI2_HIM_REPLY_INT_MASK;
627 	mpr_regwrite(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET, mask);
628 }
629 
630 static __inline void
631 mpr_unmask_intr(struct mpr_softc *sc)
632 {
633 	uint32_t mask;
634 
635 	mask = mpr_regread(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET);
636 	mask &= ~MPI2_HIM_REPLY_INT_MASK;
637 	mpr_regwrite(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET, mask);
638 }
639 
640 int mpr_pci_setup_interrupts(struct mpr_softc *sc);
641 int mpr_pci_restore(struct mpr_softc *sc);
642 
643 int mpr_attach(struct mpr_softc *sc);
644 int mpr_free(struct mpr_softc *sc);
645 void mpr_intr(void *);
646 void mpr_intr_msi(void *);
647 void mpr_intr_locked(void *);
648 int mpr_register_events(struct mpr_softc *, uint8_t *, mpr_evt_callback_t *,
649     void *, struct mpr_event_handle **);
650 int mpr_restart(struct mpr_softc *);
651 int mpr_update_events(struct mpr_softc *, struct mpr_event_handle *,
652     uint8_t *);
653 int mpr_deregister_events(struct mpr_softc *, struct mpr_event_handle *);
654 int mpr_push_sge(struct mpr_command *, MPI2_SGE_SIMPLE64 *, size_t, int);
655 int mpr_push_ieee_sge(struct mpr_command *, void *, int);
656 int mpr_add_dmaseg(struct mpr_command *, vm_paddr_t, size_t, u_int, int);
657 int mpr_attach_sas(struct mpr_softc *sc);
658 int mpr_detach_sas(struct mpr_softc *sc);
659 int mpr_read_config_page(struct mpr_softc *, struct mpr_config_params *);
660 int mpr_write_config_page(struct mpr_softc *, struct mpr_config_params *);
661 void mpr_memaddr_cb(void *, bus_dma_segment_t *, int , int );
662 void mpr_init_sge(struct mpr_command *cm, void *req, void *sge);
663 int mpr_attach_user(struct mpr_softc *);
664 void mpr_detach_user(struct mpr_softc *);
665 void mprsas_record_event(struct mpr_softc *sc,
666     MPI2_EVENT_NOTIFICATION_REPLY *event_reply);
667 
668 int mpr_map_command(struct mpr_softc *sc, struct mpr_command *cm);
669 int mpr_wait_command(struct mpr_softc *sc, struct mpr_command *cm,
670     int timeout, int sleep_flag);
671 int mpr_request_polled(struct mpr_softc *sc, struct mpr_command *cm);
672 
673 int mpr_config_get_bios_pg3(struct mpr_softc *sc, Mpi2ConfigReply_t
674     *mpi_reply, Mpi2BiosPage3_t *config_page);
675 int mpr_config_get_raid_volume_pg0(struct mpr_softc *sc, Mpi2ConfigReply_t
676     *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 page_address);
677 int mpr_config_get_ioc_pg8(struct mpr_softc *sc, Mpi2ConfigReply_t *,
678     Mpi2IOCPage8_t *);
679 int mpr_config_get_iounit_pg8(struct mpr_softc *sc,
680     Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage8_t *config_page);
681 int mpr_config_get_sas_device_pg0(struct mpr_softc *, Mpi2ConfigReply_t *,
682     Mpi2SasDevicePage0_t *, u32 , u16 );
683 int mpr_config_get_dpm_pg0(struct mpr_softc *, Mpi2ConfigReply_t *,
684     Mpi2DriverMappingPage0_t *, u16 );
685 int mpr_config_get_raid_volume_pg1(struct mpr_softc *sc,
686     Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
687     u16 handle);
688 int mpr_config_get_volume_wwid(struct mpr_softc *sc, u16 volume_handle,
689     u64 *wwid);
690 int mpr_config_get_raid_pd_pg0(struct mpr_softc *sc,
691     Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page,
692     u32 page_address);
693 void mprsas_ir_shutdown(struct mpr_softc *sc);
694 
695 int mpr_reinit(struct mpr_softc *sc);
696 void mprsas_handle_reinit(struct mpr_softc *sc);
697 
698 void mpr_base_static_config_pages(struct mpr_softc *sc);
699 
700 int mpr_mapping_initialize(struct mpr_softc *);
701 void mpr_mapping_topology_change_event(struct mpr_softc *,
702     Mpi2EventDataSasTopologyChangeList_t *);
703 int mpr_mapping_is_reinit_required(struct mpr_softc *);
704 void mpr_mapping_free_memory(struct mpr_softc *sc);
705 int mpr_config_set_dpm_pg0(struct mpr_softc *, Mpi2ConfigReply_t *,
706     Mpi2DriverMappingPage0_t *, u16 );
707 void mpr_mapping_exit(struct mpr_softc *);
708 void mpr_mapping_check_devices(struct mpr_softc *, int);
709 int mpr_mapping_allocate_memory(struct mpr_softc *sc);
710 unsigned int mpr_mapping_get_sas_id(struct mpr_softc *, uint64_t , u16);
711 unsigned int mpr_mapping_get_sas_id_from_handle(struct mpr_softc *sc,
712     u16 handle);
713 unsigned int mpr_mapping_get_raid_id(struct mpr_softc *sc, u64 wwid,
714     u16 handle);
715 unsigned int mpr_mapping_get_raid_id_from_handle(struct mpr_softc *sc,
716     u16 volHandle);
717 void mpr_mapping_enclosure_dev_status_change_event(struct mpr_softc *,
718     Mpi2EventDataSasEnclDevStatusChange_t *event_data);
719 void mpr_mapping_ir_config_change_event(struct mpr_softc *sc,
720     Mpi2EventDataIrConfigChangeList_t *event_data);
721 
722 void mprsas_evt_handler(struct mpr_softc *sc, uintptr_t data,
723     MPI2_EVENT_NOTIFICATION_REPLY *event);
724 void mprsas_prepare_remove(struct mprsas_softc *sassc, uint16_t handle);
725 void mprsas_prepare_volume_remove(struct mprsas_softc *sassc,
726     uint16_t handle);
727 int mprsas_startup(struct mpr_softc *sc);
728 struct mprsas_target * mprsas_find_target_by_handle(struct mprsas_softc *,
729     int, uint16_t);
730 
731 SYSCTL_DECL(_hw_mpr);
732 
733 /* Compatibility shims for different OS versions */
734 #if __FreeBSD_version >= 800001
735 #define mpr_kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
736     kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
737 #define mpr_kproc_exit(arg)	kproc_exit(arg)
738 #else
739 #define mpr_kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
740     kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
741 #define mpr_kproc_exit(arg)	kthread_exit(arg)
742 #endif
743 
744 #if defined(CAM_PRIORITY_XPT)
745 #define MPR_PRIORITY_XPT	CAM_PRIORITY_XPT
746 #else
747 #define MPR_PRIORITY_XPT	5
748 #endif
749 
750 #if __FreeBSD_version < 800107
751 // Prior to FreeBSD-8.0 scp3_flags was not defined.
752 #define spc3_flags reserved
753 
754 #define SPC3_SID_PROTECT    0x01
755 #define SPC3_SID_3PC        0x08
756 #define SPC3_SID_TPGS_MASK  0x30
757 #define SPC3_SID_TPGS_IMPLICIT  0x10
758 #define SPC3_SID_TPGS_EXPLICIT  0x20
759 #define SPC3_SID_ACC        0x40
760 #define SPC3_SID_SCCS       0x80
761 
762 #define CAM_PRIORITY_NORMAL CAM_PRIORITY_NONE
763 #endif
764 
765 #endif
766 
767