xref: /freebsd/sys/dev/mpr/mprvar.h (revision f56f82e0)
1 /*-
2  * Copyright (c) 2009 Yahoo! Inc.
3  * Copyright (c) 2011-2015 LSI Corp.
4  * Copyright (c) 2013-2016 Avago Technologies
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD
29  *
30  * $FreeBSD$
31  */
32 
33 #ifndef _MPRVAR_H
34 #define _MPRVAR_H
35 
36 #define MPR_DRIVER_VERSION	"15.03.00.00-fbsd"
37 
38 #define MPR_DB_MAX_WAIT		2500
39 
40 #define MPR_REQ_FRAMES		1024
41 #define MPR_EVT_REPLY_FRAMES	32
42 #define MPR_REPLY_FRAMES	MPR_REQ_FRAMES
43 #define MPR_CHAIN_FRAMES	2048
44 #define MPR_MAXIO_PAGES		(-1)
45 #define MPR_SENSE_LEN		SSD_FULL_SIZE
46 #define MPR_MSI_COUNT		1
47 #define MPR_SGE64_SIZE		12
48 #define MPR_SGE32_SIZE		8
49 #define MPR_SGC_SIZE		8
50 #define MPR_DEFAULT_CHAIN_SEG_SIZE	8
51 #define MPR_MAX_CHAIN_ELEMENT_SIZE	16
52 
53 /*
54  * PCIe NVMe Specific defines
55  */
56 //SLM-for now just use the same value as a SAS disk
57 #define NVME_QDEPTH			MPR_REQ_FRAMES
58 #define PRP_ENTRY_SIZE			8
59 #define NVME_CMD_PRP1_OFFSET		24	/* PRP1 offset in NVMe cmd */
60 #define NVME_CMD_PRP2_OFFSET		32	/* PRP2 offset in NVMe cmd */
61 #define NVME_ERROR_RESPONSE_SIZE	16	/* Max NVME Error Response */
62 #define HOST_PAGE_SIZE_4K		12
63 
64 #define MPR_FUNCTRACE(sc)			\
65 	mpr_dprint((sc), MPR_TRACE, "%s\n", __func__)
66 
67 #define	CAN_SLEEP			1
68 #define	NO_SLEEP			0
69 
70 #define MPR_PERIODIC_DELAY	1	/* 1 second heartbeat/watchdog check */
71 #define MPR_ATA_ID_TIMEOUT	5	/* 5 second timeout for SATA ID cmd */
72 #define MPR_MISSING_CHECK_DELAY	10	/* 10 seconds between missing check */
73 
74 #define	IFAULT_IOP_OVER_TEMP_THRESHOLD_EXCEEDED	0x2810
75 
76 #define MPR_SCSI_RI_INVALID_FRAME	(0x00000002)
77 #define MPR_STRING_LENGTH               64
78 
79 #define DEFAULT_SPINUP_WAIT	3	/* seconds to wait for spinup */
80 
81 #include <sys/endian.h>
82 
83 /*
84  * host mapping related macro definitions
85  */
86 #define MPR_MAPTABLE_BAD_IDX	0xFFFFFFFF
87 #define MPR_DPM_BAD_IDX		0xFFFF
88 #define MPR_ENCTABLE_BAD_IDX	0xFF
89 #define MPR_MAX_MISSING_COUNT	0x0F
90 #define MPR_DEV_RESERVED	0x20000000
91 #define MPR_MAP_IN_USE		0x10000000
92 #define MPR_MAP_BAD_ID		0xFFFFFFFF
93 
94 typedef uint8_t u8;
95 typedef uint16_t u16;
96 typedef uint32_t u32;
97 typedef uint64_t u64;
98 
99 /**
100  * struct dev_mapping_table - device mapping information
101  * @physical_id: SAS address for drives or WWID for RAID volumes
102  * @device_info: bitfield provides detailed info about the device
103  * @phy_bits: bitfields indicating controller phys
104  * @dpm_entry_num: index of this device in device persistent map table
105  * @dev_handle: device handle for the device pointed by this entry
106  * @id: target id
107  * @missing_count: number of times the device not detected by driver
108  * @hide_flag: Hide this physical disk/not (foreign configuration)
109  * @init_complete: Whether the start of the day checks completed or not
110  * @TLR_bits: Turn TLR support on or off
111  */
112 struct dev_mapping_table {
113 	u64	physical_id;
114 	u32	device_info;
115 	u32	phy_bits;
116 	u16	dpm_entry_num;
117 	u16	dev_handle;
118 	u16	reserved1;
119 	u16	id;
120 	u8	missing_count;
121 	u8	init_complete;
122 	u8	TLR_bits;
123 	u8	reserved2;
124 };
125 
126 /**
127  * struct enc_mapping_table -  mapping information about an enclosure
128  * @enclosure_id: Logical ID of this enclosure
129  * @start_index: index to the entry in dev_mapping_table
130  * @phy_bits: bitfields indicating controller phys
131  * @dpm_entry_num: index of this enclosure in device persistent map table
132  * @enc_handle: device handle for the enclosure pointed by this entry
133  * @num_slots: number of slots in the enclosure
134  * @start_slot: Starting slot id
135  * @missing_count: number of times the device not detected by driver
136  * @removal_flag: used to mark the device for removal
137  * @skip_search: used as a flag to include/exclude enclosure for search
138  * @init_complete: Whether the start of the day checks completed or not
139  */
140 struct enc_mapping_table {
141 	u64	enclosure_id;
142 	u32	start_index;
143 	u32	phy_bits;
144 	u16	dpm_entry_num;
145 	u16	enc_handle;
146 	u16	num_slots;
147 	u16	start_slot;
148 	u8	missing_count;
149 	u8	removal_flag;
150 	u8	skip_search;
151 	u8	init_complete;
152 };
153 
154 /**
155  * struct map_removal_table - entries to be removed from mapping table
156  * @dpm_entry_num: index of this device in device persistent map table
157  * @dev_handle: device handle for the device pointed by this entry
158  */
159 struct map_removal_table{
160 	u16	dpm_entry_num;
161 	u16	dev_handle;
162 };
163 
164 typedef struct mpr_fw_diagnostic_buffer {
165 	size_t		size;
166 	uint8_t		extended_type;
167 	uint8_t		buffer_type;
168 	uint8_t		force_release;
169 	uint32_t	product_specific[23];
170 	uint8_t		immediate;
171 	uint8_t		enabled;
172 	uint8_t		valid_data;
173 	uint8_t		owned_by_firmware;
174 	uint32_t	unique_id;
175 } mpr_fw_diagnostic_buffer_t;
176 
177 struct mpr_softc;
178 struct mpr_command;
179 struct mprsas_softc;
180 union ccb;
181 struct mprsas_target;
182 struct mpr_column_map;
183 
184 MALLOC_DECLARE(M_MPR);
185 
186 typedef void mpr_evt_callback_t(struct mpr_softc *, uintptr_t,
187     MPI2_EVENT_NOTIFICATION_REPLY *reply);
188 typedef void mpr_command_callback_t(struct mpr_softc *, struct mpr_command *cm);
189 
190 struct mpr_chain {
191 	TAILQ_ENTRY(mpr_chain)		chain_link;
192 	void				*chain;
193 	uint64_t			chain_busaddr;
194 };
195 
196 struct mpr_prp_page {
197 	TAILQ_ENTRY(mpr_prp_page)	prp_page_link;
198 	uint64_t			*prp_page;
199 	uint64_t			prp_page_busaddr;
200 };
201 
202 /*
203  * This needs to be at least 2 to support SMP passthrough.
204  */
205 #define       MPR_IOVEC_COUNT 2
206 
207 struct mpr_command {
208 	TAILQ_ENTRY(mpr_command)	cm_link;
209 	TAILQ_ENTRY(mpr_command)	cm_recovery;
210 	struct mpr_softc		*cm_sc;
211 	union ccb			*cm_ccb;
212 	void				*cm_data;
213 	u_int				cm_length;
214 	u_int				cm_out_len;
215 	struct uio			cm_uio;
216 	struct iovec			cm_iovec[MPR_IOVEC_COUNT];
217 	u_int				cm_max_segs;
218 	u_int				cm_sglsize;
219 	void				*cm_sge;
220 	uint8_t				*cm_req;
221 	uint8_t				*cm_reply;
222 	uint32_t			cm_reply_data;
223 	mpr_command_callback_t		*cm_complete;
224 	void				*cm_complete_data;
225 	struct mprsas_target		*cm_targ;
226 	MPI2_REQUEST_DESCRIPTOR_UNION	cm_desc;
227 	u_int	                	cm_lun;
228 	u_int				cm_flags;
229 #define MPR_CM_FLAGS_POLLED		(1 << 0)
230 #define MPR_CM_FLAGS_COMPLETE		(1 << 1)
231 #define MPR_CM_FLAGS_SGE_SIMPLE		(1 << 2)
232 #define MPR_CM_FLAGS_DATAOUT		(1 << 3)
233 #define MPR_CM_FLAGS_DATAIN		(1 << 4)
234 #define MPR_CM_FLAGS_WAKEUP		(1 << 5)
235 #define MPR_CM_FLAGS_USE_UIO		(1 << 6)
236 #define MPR_CM_FLAGS_SMP_PASS		(1 << 7)
237 #define	MPR_CM_FLAGS_CHAIN_FAILED	(1 << 8)
238 #define	MPR_CM_FLAGS_ERROR_MASK		MPR_CM_FLAGS_CHAIN_FAILED
239 #define	MPR_CM_FLAGS_USE_CCB		(1 << 9)
240 #define	MPR_CM_FLAGS_SATA_ID_TIMEOUT	(1 << 10)
241 	u_int				cm_state;
242 #define MPR_CM_STATE_FREE		0
243 #define MPR_CM_STATE_BUSY		1
244 #define MPR_CM_STATE_TIMEDOUT		2
245 	bus_dmamap_t			cm_dmamap;
246 	struct scsi_sense_data		*cm_sense;
247 	uint64_t			*nvme_error_response;
248 	TAILQ_HEAD(, mpr_chain)		cm_chain_list;
249  	TAILQ_HEAD(, mpr_prp_page)	cm_prp_page_list;
250 	uint32_t			cm_req_busaddr;
251 	bus_addr_t			cm_sense_busaddr;
252 	struct callout			cm_callout;
253 };
254 
255 struct mpr_column_map {
256 	uint16_t			dev_handle;
257 	uint8_t				phys_disk_num;
258 };
259 
260 struct mpr_event_handle {
261 	TAILQ_ENTRY(mpr_event_handle)	eh_list;
262 	mpr_evt_callback_t		*callback;
263 	void				*data;
264 	uint8_t				mask[16];
265 };
266 
267 struct mpr_softc {
268 	device_t			mpr_dev;
269 	struct cdev			*mpr_cdev;
270 	u_int				mpr_flags;
271 #define MPR_FLAGS_INTX		(1 << 0)
272 #define MPR_FLAGS_MSI		(1 << 1)
273 #define MPR_FLAGS_BUSY		(1 << 2)
274 #define MPR_FLAGS_SHUTDOWN	(1 << 3)
275 #define MPR_FLAGS_DIAGRESET	(1 << 4)
276 #define	MPR_FLAGS_ATTACH_DONE	(1 << 5)
277 #define	MPR_FLAGS_GEN35_IOC	(1 << 6)
278 	u_int				mpr_debug;
279 	u_int				disable_msix;
280 	u_int				disable_msi;
281 	u_int				atomic_desc_capable;
282 	int				tm_cmds_active;
283 	int				io_cmds_active;
284 	int				io_cmds_highwater;
285 	int				chain_free;
286 	int				max_chains;
287 	int				max_io_pages;
288 	u_int				maxio;
289 	int				chain_free_lowwater;
290 	uint32_t			chain_frame_size;
291 	uint16_t			chain_seg_size;
292 	int				prp_buffer_size;
293 	int				prp_pages_free;
294 	int				prp_pages_free_lowwater;
295 	u_int				enable_ssu;
296 	int				spinup_wait_time;
297 	int				use_phynum;
298 	uint64_t			chain_alloc_fail;
299 	uint64_t			prp_page_alloc_fail;
300 	struct sysctl_ctx_list		sysctl_ctx;
301 	struct sysctl_oid		*sysctl_tree;
302 	char                            fw_version[16];
303 	struct mpr_command		*commands;
304 	struct mpr_chain		*chains;
305 	struct mpr_prp_page		*prps;
306 	struct callout			periodic;
307 	struct callout			device_check_callout;
308 
309 	struct mprsas_softc		*sassc;
310 	char            tmp_string[MPR_STRING_LENGTH];
311 	TAILQ_HEAD(, mpr_command)	req_list;
312 	TAILQ_HEAD(, mpr_command)	high_priority_req_list;
313 	TAILQ_HEAD(, mpr_chain)		chain_list;
314 	TAILQ_HEAD(, mpr_prp_page)	prp_page_list;
315 	TAILQ_HEAD(, mpr_command)	tm_list;
316 	int				replypostindex;
317 	int				replyfreeindex;
318 
319 	struct resource			*mpr_regs_resource;
320 	bus_space_handle_t		mpr_bhandle;
321 	bus_space_tag_t			mpr_btag;
322 	int				mpr_regs_rid;
323 
324 	bus_dma_tag_t			mpr_parent_dmat;
325 	bus_dma_tag_t			buffer_dmat;
326 
327 	MPI2_IOC_FACTS_REPLY		*facts;
328 	int				num_reqs;
329 	int				num_replies;
330 	int				fqdepth;	/* Free queue */
331 	int				pqdepth;	/* Post queue */
332 
333 	uint8_t				event_mask[16];
334 	TAILQ_HEAD(, mpr_event_handle)	event_list;
335 	struct mpr_event_handle		*mpr_log_eh;
336 
337 	struct mtx			mpr_mtx;
338 	struct intr_config_hook		mpr_ich;
339 	struct resource			*mpr_irq[MPR_MSI_COUNT];
340 	void				*mpr_intrhand[MPR_MSI_COUNT];
341 	int				mpr_irq_rid[MPR_MSI_COUNT];
342 
343 	uint8_t				*req_frames;
344 	bus_addr_t			req_busaddr;
345 	bus_dma_tag_t			req_dmat;
346 	bus_dmamap_t			req_map;
347 
348 	uint8_t				*reply_frames;
349 	bus_addr_t			reply_busaddr;
350 	bus_dma_tag_t			reply_dmat;
351 	bus_dmamap_t			reply_map;
352 
353 	struct scsi_sense_data		*sense_frames;
354 	bus_addr_t			sense_busaddr;
355 	bus_dma_tag_t			sense_dmat;
356 	bus_dmamap_t			sense_map;
357 
358 	uint8_t				*chain_frames;
359 	bus_addr_t			chain_busaddr;
360 	bus_dma_tag_t			chain_dmat;
361 	bus_dmamap_t			chain_map;
362 
363 	uint8_t				*prp_pages;
364 	bus_addr_t			prp_page_busaddr;
365 	bus_dma_tag_t			prp_page_dmat;
366 	bus_dmamap_t			prp_page_map;
367 
368 	MPI2_REPLY_DESCRIPTORS_UNION	*post_queue;
369 	bus_addr_t			post_busaddr;
370 	uint32_t			*free_queue;
371 	bus_addr_t			free_busaddr;
372 	bus_dma_tag_t			queues_dmat;
373 	bus_dmamap_t			queues_map;
374 
375 	uint8_t				*fw_diag_buffer;
376 	bus_addr_t			fw_diag_busaddr;
377 	bus_dma_tag_t			fw_diag_dmat;
378 	bus_dmamap_t			fw_diag_map;
379 
380 	uint8_t				ir_firmware;
381 
382 	/* static config pages */
383 	Mpi2IOCPage8_t			ioc_pg8;
384 	Mpi2IOUnitPage8_t		iounit_pg8;
385 
386 	/* host mapping support */
387 	struct dev_mapping_table	*mapping_table;
388 	struct enc_mapping_table	*enclosure_table;
389 	struct map_removal_table	*removal_table;
390 	uint8_t				*dpm_entry_used;
391 	uint8_t				*dpm_flush_entry;
392 	Mpi2DriverMappingPage0_t	*dpm_pg0;
393 	uint16_t			max_devices;
394 	uint16_t			max_enclosures;
395 	uint16_t			max_expanders;
396 	uint8_t				max_volumes;
397 	uint8_t				num_enc_table_entries;
398 	uint8_t				num_rsvd_entries;
399 	uint16_t			max_dpm_entries;
400 	uint8_t				is_dpm_enable;
401 	uint8_t				track_mapping_events;
402 	uint32_t			pending_map_events;
403 
404 	/* FW diag Buffer List */
405 	mpr_fw_diagnostic_buffer_t
406 				fw_diag_buffer_list[MPI2_DIAG_BUF_TYPE_COUNT];
407 
408 	/* Event Recording IOCTL support */
409 	uint32_t			events_to_record[4];
410 	mpr_event_entry_t		recorded_events[MPR_EVENT_QUEUE_SIZE];
411 	uint8_t				event_index;
412 	uint32_t			event_number;
413 
414 	/* EEDP and TLR support */
415 	uint8_t				eedp_enabled;
416 	uint8_t				control_TLR;
417 
418 	/* Shutdown Event Handler */
419 	eventhandler_tag		shutdown_eh;
420 
421 	/* To track topo events during reset */
422 #define	MPR_DIAG_RESET_TIMEOUT	300000
423 	uint8_t				wait_for_port_enable;
424 	uint8_t				port_enable_complete;
425 	uint8_t				msleep_fake_chan;
426 
427 	/* StartStopUnit command handling at shutdown */
428 	uint32_t			SSU_refcount;
429 	uint8_t				SSU_started;
430 
431 	char				exclude_ids[80];
432 	struct timeval			lastfail;
433 };
434 
435 struct mpr_config_params {
436 	MPI2_CONFIG_EXT_PAGE_HEADER_UNION	hdr;
437 	u_int		action;
438 	u_int		page_address;	/* Attributes, not a phys address */
439 	u_int		status;
440 	void		*buffer;
441 	u_int		length;
442 	int		timeout;
443 	void		(*callback)(struct mpr_softc *, struct mpr_config_params *);
444 	void		*cbdata;
445 };
446 
447 struct scsi_read_capacity_eedp
448 {
449 	uint8_t addr[8];
450 	uint8_t length[4];
451 	uint8_t protect;
452 };
453 
454 static __inline uint32_t
455 mpr_regread(struct mpr_softc *sc, uint32_t offset)
456 {
457 	return (bus_space_read_4(sc->mpr_btag, sc->mpr_bhandle, offset));
458 }
459 
460 static __inline void
461 mpr_regwrite(struct mpr_softc *sc, uint32_t offset, uint32_t val)
462 {
463 	bus_space_write_4(sc->mpr_btag, sc->mpr_bhandle, offset, val);
464 }
465 
466 /* free_queue must have Little Endian address
467  * TODO- cm_reply_data is unwanted. We can remove it.
468  * */
469 static __inline void
470 mpr_free_reply(struct mpr_softc *sc, uint32_t busaddr)
471 {
472 	if (++sc->replyfreeindex >= sc->fqdepth)
473 		sc->replyfreeindex = 0;
474 	sc->free_queue[sc->replyfreeindex] = htole32(busaddr);
475 	mpr_regwrite(sc, MPI2_REPLY_FREE_HOST_INDEX_OFFSET, sc->replyfreeindex);
476 }
477 
478 static __inline struct mpr_chain *
479 mpr_alloc_chain(struct mpr_softc *sc)
480 {
481 	struct mpr_chain *chain;
482 
483 	if ((chain = TAILQ_FIRST(&sc->chain_list)) != NULL) {
484 		TAILQ_REMOVE(&sc->chain_list, chain, chain_link);
485 		sc->chain_free--;
486 		if (sc->chain_free < sc->chain_free_lowwater)
487 			sc->chain_free_lowwater = sc->chain_free;
488 	} else
489 		sc->chain_alloc_fail++;
490 	return (chain);
491 }
492 
493 static __inline void
494 mpr_free_chain(struct mpr_softc *sc, struct mpr_chain *chain)
495 {
496 #if 0
497 	bzero(chain->chain, 128);
498 #endif
499 	sc->chain_free++;
500 	TAILQ_INSERT_TAIL(&sc->chain_list, chain, chain_link);
501 }
502 
503 static __inline struct mpr_prp_page *
504 mpr_alloc_prp_page(struct mpr_softc *sc)
505 {
506 	struct mpr_prp_page *prp_page;
507 
508 	if ((prp_page = TAILQ_FIRST(&sc->prp_page_list)) != NULL) {
509 		TAILQ_REMOVE(&sc->prp_page_list, prp_page, prp_page_link);
510 		sc->prp_pages_free--;
511 		if (sc->prp_pages_free < sc->prp_pages_free_lowwater)
512 			sc->prp_pages_free_lowwater = sc->prp_pages_free;
513 	} else
514 		sc->prp_page_alloc_fail++;
515 	return (prp_page);
516 }
517 
518 static __inline void
519 mpr_free_prp_page(struct mpr_softc *sc, struct mpr_prp_page *prp_page)
520 {
521 	sc->prp_pages_free++;
522 	TAILQ_INSERT_TAIL(&sc->prp_page_list, prp_page, prp_page_link);
523 }
524 
525 static __inline void
526 mpr_free_command(struct mpr_softc *sc, struct mpr_command *cm)
527 {
528 	struct mpr_chain *chain, *chain_temp;
529 	struct mpr_prp_page *prp_page, *prp_page_temp;
530 
531 	if (cm->cm_reply != NULL)
532 		mpr_free_reply(sc, cm->cm_reply_data);
533 	cm->cm_reply = NULL;
534 	cm->cm_flags = 0;
535 	cm->cm_complete = NULL;
536 	cm->cm_complete_data = NULL;
537 	cm->cm_ccb = NULL;
538 	cm->cm_targ = NULL;
539 	cm->cm_max_segs = 0;
540 	cm->cm_lun = 0;
541 	cm->cm_state = MPR_CM_STATE_FREE;
542 	cm->cm_data = NULL;
543 	cm->cm_length = 0;
544 	cm->cm_out_len = 0;
545 	cm->cm_sglsize = 0;
546 	cm->cm_sge = NULL;
547 
548 	TAILQ_FOREACH_SAFE(chain, &cm->cm_chain_list, chain_link, chain_temp) {
549 		TAILQ_REMOVE(&cm->cm_chain_list, chain, chain_link);
550 		mpr_free_chain(sc, chain);
551 	}
552 	TAILQ_FOREACH_SAFE(prp_page, &cm->cm_prp_page_list, prp_page_link,
553 	    prp_page_temp) {
554 		TAILQ_REMOVE(&cm->cm_prp_page_list, prp_page, prp_page_link);
555 		mpr_free_prp_page(sc, prp_page);
556 	}
557 	TAILQ_INSERT_TAIL(&sc->req_list, cm, cm_link);
558 }
559 
560 static __inline struct mpr_command *
561 mpr_alloc_command(struct mpr_softc *sc)
562 {
563 	struct mpr_command *cm;
564 
565 	cm = TAILQ_FIRST(&sc->req_list);
566 	if (cm == NULL)
567 		return (NULL);
568 
569 	TAILQ_REMOVE(&sc->req_list, cm, cm_link);
570 	KASSERT(cm->cm_state == MPR_CM_STATE_FREE, ("mpr: Allocating busy "
571 	    "command\n"));
572 	cm->cm_state = MPR_CM_STATE_BUSY;
573 	return (cm);
574 }
575 
576 static __inline void
577 mpr_free_high_priority_command(struct mpr_softc *sc, struct mpr_command *cm)
578 {
579 	struct mpr_chain *chain, *chain_temp;
580 
581 	if (cm->cm_reply != NULL)
582 		mpr_free_reply(sc, cm->cm_reply_data);
583 	cm->cm_reply = NULL;
584 	cm->cm_flags = 0;
585 	cm->cm_complete = NULL;
586 	cm->cm_complete_data = NULL;
587 	cm->cm_ccb = NULL;
588 	cm->cm_targ = NULL;
589 	cm->cm_lun = 0;
590 	cm->cm_state = MPR_CM_STATE_FREE;
591 	TAILQ_FOREACH_SAFE(chain, &cm->cm_chain_list, chain_link, chain_temp) {
592 		TAILQ_REMOVE(&cm->cm_chain_list, chain, chain_link);
593 		mpr_free_chain(sc, chain);
594 	}
595 	TAILQ_INSERT_TAIL(&sc->high_priority_req_list, cm, cm_link);
596 }
597 
598 static __inline struct mpr_command *
599 mpr_alloc_high_priority_command(struct mpr_softc *sc)
600 {
601 	struct mpr_command *cm;
602 
603 	cm = TAILQ_FIRST(&sc->high_priority_req_list);
604 	if (cm == NULL)
605 		return (NULL);
606 
607 	TAILQ_REMOVE(&sc->high_priority_req_list, cm, cm_link);
608 	KASSERT(cm->cm_state == MPR_CM_STATE_FREE, ("mpr: Allocating busy "
609 	    "command\n"));
610 	cm->cm_state = MPR_CM_STATE_BUSY;
611 	return (cm);
612 }
613 
614 static __inline void
615 mpr_lock(struct mpr_softc *sc)
616 {
617 	mtx_lock(&sc->mpr_mtx);
618 }
619 
620 static __inline void
621 mpr_unlock(struct mpr_softc *sc)
622 {
623 	mtx_unlock(&sc->mpr_mtx);
624 }
625 
626 #define MPR_INFO	(1 << 0)	/* Basic info */
627 #define MPR_FAULT	(1 << 1)	/* Hardware faults */
628 #define MPR_EVENT	(1 << 2)	/* Event data from the controller */
629 #define MPR_LOG		(1 << 3)	/* Log data from the controller */
630 #define MPR_RECOVERY	(1 << 4)	/* Command error recovery tracing */
631 #define MPR_ERROR	(1 << 5)	/* Parameter errors, programming bugs */
632 #define MPR_INIT	(1 << 6)	/* Things related to system init */
633 #define MPR_XINFO	(1 << 7)	/* More detailed/noisy info */
634 #define MPR_USER	(1 << 8)	/* Trace user-generated commands */
635 #define MPR_MAPPING	(1 << 9)	/* Trace device mappings */
636 #define MPR_TRACE	(1 << 10)	/* Function-by-function trace */
637 
638 #define	MPR_SSU_DISABLE_SSD_DISABLE_HDD	0
639 #define	MPR_SSU_ENABLE_SSD_DISABLE_HDD	1
640 #define	MPR_SSU_DISABLE_SSD_ENABLE_HDD	2
641 #define	MPR_SSU_ENABLE_SSD_ENABLE_HDD	3
642 
643 #define mpr_printf(sc, args...)				\
644 	device_printf((sc)->mpr_dev, ##args)
645 
646 #define mpr_print_field(sc, msg, args...)		\
647 	printf("\t" msg, ##args)
648 
649 #define mpr_vprintf(sc, args...)			\
650 do {							\
651 	if (bootverbose)				\
652 		mpr_printf(sc, ##args);			\
653 } while (0)
654 
655 #define mpr_dprint(sc, level, msg, args...)		\
656 do {							\
657 	if ((sc)->mpr_debug & (level))			\
658 		device_printf((sc)->mpr_dev, msg, ##args);	\
659 } while (0)
660 
661 #define MPR_PRINTFIELD_START(sc, tag...)	\
662 	mpr_printf((sc), ##tag);		\
663 	mpr_print_field((sc), ":\n")
664 #define MPR_PRINTFIELD_END(sc, tag)		\
665 	mpr_printf((sc), tag "\n")
666 #define MPR_PRINTFIELD(sc, facts, attr, fmt)	\
667 	mpr_print_field((sc), #attr ": " #fmt "\n", (facts)->attr)
668 
669 static __inline void
670 mpr_from_u64(uint64_t data, U64 *mpr)
671 {
672 	(mpr)->High = htole32((uint32_t)((data) >> 32));
673 	(mpr)->Low = htole32((uint32_t)((data) & 0xffffffff));
674 }
675 
676 static __inline uint64_t
677 mpr_to_u64(U64 *data)
678 {
679 	return (((uint64_t)le32toh(data->High) << 32) | le32toh(data->Low));
680 }
681 
682 static __inline void
683 mpr_mask_intr(struct mpr_softc *sc)
684 {
685 	uint32_t mask;
686 
687 	mask = mpr_regread(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET);
688 	mask |= MPI2_HIM_REPLY_INT_MASK;
689 	mpr_regwrite(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET, mask);
690 }
691 
692 static __inline void
693 mpr_unmask_intr(struct mpr_softc *sc)
694 {
695 	uint32_t mask;
696 
697 	mask = mpr_regread(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET);
698 	mask &= ~MPI2_HIM_REPLY_INT_MASK;
699 	mpr_regwrite(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET, mask);
700 }
701 
702 int mpr_pci_setup_interrupts(struct mpr_softc *sc);
703 int mpr_pci_restore(struct mpr_softc *sc);
704 
705 int mpr_attach(struct mpr_softc *sc);
706 int mpr_free(struct mpr_softc *sc);
707 void mpr_intr(void *);
708 void mpr_intr_msi(void *);
709 void mpr_intr_locked(void *);
710 int mpr_register_events(struct mpr_softc *, uint8_t *, mpr_evt_callback_t *,
711     void *, struct mpr_event_handle **);
712 int mpr_restart(struct mpr_softc *);
713 int mpr_update_events(struct mpr_softc *, struct mpr_event_handle *, uint8_t *);
714 int mpr_deregister_events(struct mpr_softc *, struct mpr_event_handle *);
715 void mpr_build_nvme_prp(struct mpr_softc *sc, struct mpr_command *cm,
716     Mpi26NVMeEncapsulatedRequest_t *nvme_encap_request, void *data,
717     uint32_t data_in_sz, uint32_t data_out_sz);
718 int mpr_push_sge(struct mpr_command *, MPI2_SGE_SIMPLE64 *, size_t, int);
719 int mpr_push_ieee_sge(struct mpr_command *, void *, int);
720 int mpr_add_dmaseg(struct mpr_command *, vm_paddr_t, size_t, u_int, int);
721 int mpr_attach_sas(struct mpr_softc *sc);
722 int mpr_detach_sas(struct mpr_softc *sc);
723 int mpr_read_config_page(struct mpr_softc *, struct mpr_config_params *);
724 int mpr_write_config_page(struct mpr_softc *, struct mpr_config_params *);
725 void mpr_memaddr_cb(void *, bus_dma_segment_t *, int , int );
726 void mpr_init_sge(struct mpr_command *cm, void *req, void *sge);
727 int mpr_attach_user(struct mpr_softc *);
728 void mpr_detach_user(struct mpr_softc *);
729 void mprsas_record_event(struct mpr_softc *sc,
730     MPI2_EVENT_NOTIFICATION_REPLY *event_reply);
731 
732 int mpr_map_command(struct mpr_softc *sc, struct mpr_command *cm);
733 int mpr_wait_command(struct mpr_softc *sc, struct mpr_command *cm, int timeout,
734     int sleep_flag);
735 int mpr_request_polled(struct mpr_softc *sc, struct mpr_command *cm);
736 
737 int mpr_config_get_bios_pg3(struct mpr_softc *sc, Mpi2ConfigReply_t
738     *mpi_reply, Mpi2BiosPage3_t *config_page);
739 int mpr_config_get_raid_volume_pg0(struct mpr_softc *sc, Mpi2ConfigReply_t
740     *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 page_address);
741 int mpr_config_get_ioc_pg8(struct mpr_softc *sc, Mpi2ConfigReply_t *,
742     Mpi2IOCPage8_t *);
743 int mpr_config_get_iounit_pg8(struct mpr_softc *sc,
744     Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage8_t *config_page);
745 int mpr_config_get_sas_device_pg0(struct mpr_softc *, Mpi2ConfigReply_t *,
746     Mpi2SasDevicePage0_t *, u32 , u16 );
747 int mpr_config_get_pcie_device_pg0(struct mpr_softc *sc, Mpi2ConfigReply_t
748     *mpi_reply, Mpi26PCIeDevicePage0_t *config_page, u32 form, u16 handle);
749 int mpr_config_get_pcie_device_pg2(struct mpr_softc *sc, Mpi2ConfigReply_t
750     *mpi_reply, Mpi26PCIeDevicePage2_t *config_page, u32 form, u16 handle);
751 int mpr_config_get_dpm_pg0(struct mpr_softc *, Mpi2ConfigReply_t *,
752     Mpi2DriverMappingPage0_t *, u16 );
753 int mpr_config_get_raid_volume_pg1(struct mpr_softc *sc,
754     Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
755     u16 handle);
756 int mpr_config_get_volume_wwid(struct mpr_softc *sc, u16 volume_handle,
757     u64 *wwid);
758 int mpr_config_get_raid_pd_pg0(struct mpr_softc *sc,
759     Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page,
760     u32 page_address);
761 void mprsas_ir_shutdown(struct mpr_softc *sc);
762 
763 int mpr_reinit(struct mpr_softc *sc);
764 void mprsas_handle_reinit(struct mpr_softc *sc);
765 
766 void mpr_base_static_config_pages(struct mpr_softc *sc);
767 
768 int mpr_mapping_initialize(struct mpr_softc *);
769 void mpr_mapping_topology_change_event(struct mpr_softc *,
770     Mpi2EventDataSasTopologyChangeList_t *);
771 void mpr_mapping_pcie_topology_change_event(struct mpr_softc *sc,
772     Mpi26EventDataPCIeTopologyChangeList_t *event_data);
773 void mpr_mapping_free_memory(struct mpr_softc *sc);
774 int mpr_config_set_dpm_pg0(struct mpr_softc *, Mpi2ConfigReply_t *,
775     Mpi2DriverMappingPage0_t *, u16 );
776 void mpr_mapping_exit(struct mpr_softc *);
777 void mpr_mapping_check_devices(void *);
778 int mpr_mapping_allocate_memory(struct mpr_softc *sc);
779 unsigned int mpr_mapping_get_tid(struct mpr_softc *, uint64_t , u16);
780 unsigned int mpr_mapping_get_tid_from_handle(struct mpr_softc *sc,
781     u16 handle);
782 unsigned int mpr_mapping_get_raid_tid(struct mpr_softc *sc, u64 wwid,
783     u16 volHandle);
784 unsigned int mpr_mapping_get_raid_tid_from_handle(struct mpr_softc *sc,
785     u16 volHandle);
786 void mpr_mapping_enclosure_dev_status_change_event(struct mpr_softc *,
787     Mpi2EventDataSasEnclDevStatusChange_t *event_data);
788 void mpr_mapping_ir_config_change_event(struct mpr_softc *sc,
789     Mpi2EventDataIrConfigChangeList_t *event_data);
790 
791 void mprsas_evt_handler(struct mpr_softc *sc, uintptr_t data,
792     MPI2_EVENT_NOTIFICATION_REPLY *event);
793 void mprsas_prepare_remove(struct mprsas_softc *sassc, uint16_t handle);
794 void mprsas_prepare_volume_remove(struct mprsas_softc *sassc, uint16_t handle);
795 int mprsas_startup(struct mpr_softc *sc);
796 struct mprsas_target * mprsas_find_target_by_handle(struct mprsas_softc *, int,
797     uint16_t);
798 void mprsas_realloc_targets(struct mpr_softc *sc, int maxtargets);
799 struct mpr_command * mprsas_alloc_tm(struct mpr_softc *sc);
800 void mprsas_free_tm(struct mpr_softc *sc, struct mpr_command *tm);
801 void mprsas_release_simq_reinit(struct mprsas_softc *sassc);
802 int mprsas_send_reset(struct mpr_softc *sc, struct mpr_command *tm,
803     uint8_t type);
804 
805 SYSCTL_DECL(_hw_mpr);
806 
807 /* Compatibility shims for different OS versions */
808 #if __FreeBSD_version >= 800001
809 #define mpr_kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
810     kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
811 #define mpr_kproc_exit(arg)	kproc_exit(arg)
812 #else
813 #define mpr_kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
814     kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
815 #define mpr_kproc_exit(arg)	kthread_exit(arg)
816 #endif
817 
818 #if defined(CAM_PRIORITY_XPT)
819 #define MPR_PRIORITY_XPT	CAM_PRIORITY_XPT
820 #else
821 #define MPR_PRIORITY_XPT	5
822 #endif
823 
824 #if __FreeBSD_version < 800107
825 // Prior to FreeBSD-8.0 scp3_flags was not defined.
826 #define spc3_flags reserved
827 
828 #define SPC3_SID_PROTECT    0x01
829 #define SPC3_SID_3PC        0x08
830 #define SPC3_SID_TPGS_MASK  0x30
831 #define SPC3_SID_TPGS_IMPLICIT  0x10
832 #define SPC3_SID_TPGS_EXPLICIT  0x20
833 #define SPC3_SID_ACC        0x40
834 #define SPC3_SID_SCCS       0x80
835 
836 #define CAM_PRIORITY_NORMAL CAM_PRIORITY_NONE
837 #endif
838 
839 /* Definitions for SCSI unmap translation to NVMe DSM command */
840 
841 /* UNMAP block descriptor structure */
842 struct unmap_blk_desc {
843 	uint64_t slba;
844 	uint32_t nlb;
845 	uint32_t resv;
846 };
847 
848 /* UNMAP command's data */
849 struct unmap_parm_list {
850 	uint16_t unmap_data_len;
851 	uint16_t unmap_blk_desc_data_len;
852 	uint32_t resv;
853 	struct unmap_blk_desc desc[0];
854 };
855 
856 /* SCSI ADDITIONAL SENSE Codes */
857 #define FIXED_SENSE_DATA                                0x70
858 #define SCSI_ASC_NO_SENSE                               0x00
859 #define SCSI_ASC_PERIPHERAL_DEV_WRITE_FAULT             0x03
860 #define SCSI_ASC_LUN_NOT_READY                          0x04
861 #define SCSI_ASC_WARNING                                0x0B
862 #define SCSI_ASC_LOG_BLOCK_GUARD_CHECK_FAILED           0x10
863 #define SCSI_ASC_LOG_BLOCK_APPTAG_CHECK_FAILED          0x10
864 #define SCSI_ASC_LOG_BLOCK_REFTAG_CHECK_FAILED          0x10
865 #define SCSI_ASC_UNRECOVERED_READ_ERROR                 0x11
866 #define SCSI_ASC_MISCOMPARE_DURING_VERIFY               0x1D
867 #define SCSI_ASC_ACCESS_DENIED_INVALID_LUN_ID           0x20
868 #define SCSI_ASC_ILLEGAL_COMMAND                        0x20
869 #define SCSI_ASC_ILLEGAL_BLOCK                          0x21
870 #define SCSI_ASC_INVALID_CDB                            0x24
871 #define SCSI_ASC_INVALID_LUN                            0x25
872 #define SCSI_ASC_INVALID_PARAMETER                      0x26
873 #define SCSI_ASC_FORMAT_COMMAND_FAILED                  0x31
874 #define SCSI_ASC_INTERNAL_TARGET_FAILURE                0x44
875 
876 /* SCSI ADDITIONAL SENSE Code Qualifiers */
877 #define SCSI_ASCQ_CAUSE_NOT_REPORTABLE                  0x00
878 #define SCSI_ASCQ_FORMAT_COMMAND_FAILED                 0x01
879 #define SCSI_ASCQ_LOG_BLOCK_GUARD_CHECK_FAILED          0x01
880 #define SCSI_ASCQ_LOG_BLOCK_APPTAG_CHECK_FAILED         0x02
881 #define SCSI_ASCQ_LOG_BLOCK_REFTAG_CHECK_FAILED         0x03
882 #define SCSI_ASCQ_FORMAT_IN_PROGRESS                    0x04
883 #define SCSI_ASCQ_POWER_LOSS_EXPECTED                   0x08
884 #define SCSI_ASCQ_INVALID_LUN_ID                        0x09
885 
886 #endif
887 
888