xref: /freebsd/sys/dev/mpr/mprvar.h (revision 734e82fe33aa764367791a7d603b383996c6b40b)
1 /*-
2  * Copyright (c) 2009 Yahoo! Inc.
3  * Copyright (c) 2011-2015 LSI Corp.
4  * Copyright (c) 2013-2016 Avago Technologies
5  * Copyright 2000-2020 Broadcom Inc.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * Broadcom Inc. (LSI) MPT-Fusion Host Adapter FreeBSD
30  */
31 
32 #ifndef _MPRVAR_H
33 #define _MPRVAR_H
34 
35 #include <sys/lock.h>
36 #include <sys/mutex.h>
37 
38 #define MPR_DRIVER_VERSION	"23.00.00.00-fbsd"
39 
40 #define MPR_DB_MAX_WAIT		2500
41 
42 #define MPR_REQ_FRAMES		2048
43 #define MPR_PRI_REQ_FRAMES	128
44 #define MPR_EVT_REPLY_FRAMES	32
45 #define MPR_REPLY_FRAMES	MPR_REQ_FRAMES
46 #define MPR_CHAIN_FRAMES	16384
47 #define MPR_MAXIO_PAGES		(-1)
48 #define MPR_SENSE_LEN		SSD_FULL_SIZE
49 #define MPR_MSI_MAX		1
50 #define MPR_MSIX_MAX		96
51 #define MPR_SGE64_SIZE		12
52 #define MPR_SGE32_SIZE		8
53 #define MPR_SGC_SIZE		8
54 #define MPR_DEFAULT_CHAIN_SEG_SIZE	8
55 #define MPR_MAX_CHAIN_ELEMENT_SIZE	16
56 
57 /*
58  * PCIe NVMe Specific defines
59  */
60 //SLM-for now just use the same value as a SAS disk
61 #define NVME_QDEPTH			MPR_REQ_FRAMES
62 #define PRP_ENTRY_SIZE			8
63 #define NVME_CMD_PRP1_OFFSET		24	/* PRP1 offset in NVMe cmd */
64 #define NVME_CMD_PRP2_OFFSET		32	/* PRP2 offset in NVMe cmd */
65 #define NVME_ERROR_RESPONSE_SIZE	16	/* Max NVME Error Response */
66 #define HOST_PAGE_SIZE_4K		12
67 
68 #define MPR_FUNCTRACE(sc)			\
69 	mpr_dprint((sc), MPR_TRACE, "%s\n", __func__)
70 
71 #define	CAN_SLEEP			1
72 #define	NO_SLEEP			0
73 
74 #define MPR_PERIODIC_DELAY	1	/* 1 second heartbeat/watchdog check */
75 #define MPR_ATA_ID_TIMEOUT	5	/* 5 second timeout for SATA ID cmd */
76 #define MPR_MISSING_CHECK_DELAY	10	/* 10 seconds between missing check */
77 
78 #define	IFAULT_IOP_OVER_TEMP_THRESHOLD_EXCEEDED	0x2810
79 
80 #define MPR_SCSI_RI_INVALID_FRAME	(0x00000002)
81 
82 #define DEFAULT_SPINUP_WAIT	3	/* seconds to wait for spinup */
83 
84 #include <sys/endian.h>
85 
86 /*
87  * host mapping related macro definitions
88  */
89 #define MPR_MAPTABLE_BAD_IDX	0xFFFFFFFF
90 #define MPR_DPM_BAD_IDX		0xFFFF
91 #define MPR_ENCTABLE_BAD_IDX	0xFF
92 #define MPR_MAX_MISSING_COUNT	0x0F
93 #define MPR_DEV_RESERVED	0x20000000
94 #define MPR_MAP_IN_USE		0x10000000
95 #define MPR_MAP_BAD_ID		0xFFFFFFFF
96 
97 typedef uint8_t u8;
98 typedef uint16_t u16;
99 typedef uint32_t u32;
100 typedef uint64_t u64;
101 
102 typedef struct _MPI2_CONFIG_PAGE_MAN_11
103 {
104     MPI2_CONFIG_PAGE_HEADER             Header;         	/* 0x00 */
105     U8					FlashTime;		/* 0x04 */
106     U8					NVTime;			/* 0x05 */
107     U16					Flag;			/* 0x06 */
108     U8					RFIoTimeout;		/* 0x08 */
109     U8					EEDPTagMode;		/* 0x09 */
110     U8					AWTValue;		/* 0x0A */
111     U8					Reserve1;		/* 0x0B */
112     U8					MaxCmdFrames;		/* 0x0C */
113     U8					Reserve2;		/* 0x0D */
114     U16					AddlFlags;		/* 0x0E */
115     U32					SysRefClk;		/* 0x10 */
116     U64					Reserve3[3];		/* 0x14 */
117     U16					AddlFlags2;		/* 0x2C */
118     U8					AddlFlags3;		/* 0x2E */
119     U8					Reserve4;		/* 0x2F */
120     U64					opDebugEnable;		/* 0x30 */
121     U64					PlDebugEnable;		/* 0x38 */
122     U64					IrDebugEnable;		/* 0x40 */
123     U32					BoardPowerRequirement;	/* 0x48 */
124     U8					NVMeAbortTO;		/* 0x4C */
125     U8					Reserve5;		/* 0x4D */
126     U16					Reserve6;		/* 0x4E */
127     U32					Reserve7[3];		/* 0x50 */
128 } MPI2_CONFIG_PAGE_MAN_11,
129   MPI2_POINTER PTR_MPI2_CONFIG_PAGE_MAN_11,
130   Mpi2ManufacturingPage11_t, MPI2_POINTER pMpi2ManufacturingPage11_t;
131 
132 #define MPI2_MAN_PG11_ADDLFLAGS2_CUSTOM_TM_HANDLING_MASK	(0x0010)
133 
134 /**
135  * struct dev_mapping_table - device mapping information
136  * @physical_id: SAS address for drives or WWID for RAID volumes
137  * @device_info: bitfield provides detailed info about the device
138  * @phy_bits: bitfields indicating controller phys
139  * @dpm_entry_num: index of this device in device persistent map table
140  * @dev_handle: device handle for the device pointed by this entry
141  * @id: target id
142  * @missing_count: number of times the device not detected by driver
143  * @hide_flag: Hide this physical disk/not (foreign configuration)
144  * @init_complete: Whether the start of the day checks completed or not
145  * @TLR_bits: Turn TLR support on or off
146  */
147 struct dev_mapping_table {
148 	u64	physical_id;
149 	u32	device_info;
150 	u32	phy_bits;
151 	u16	dpm_entry_num;
152 	u16	dev_handle;
153 	u16	reserved1;
154 	u16	id;
155 	u8	missing_count;
156 	u8	init_complete;
157 	u8	TLR_bits;
158 	u8	reserved2;
159 };
160 
161 /**
162  * struct enc_mapping_table -  mapping information about an enclosure
163  * @enclosure_id: Logical ID of this enclosure
164  * @start_index: index to the entry in dev_mapping_table
165  * @phy_bits: bitfields indicating controller phys
166  * @dpm_entry_num: index of this enclosure in device persistent map table
167  * @enc_handle: device handle for the enclosure pointed by this entry
168  * @num_slots: number of slots in the enclosure
169  * @start_slot: Starting slot id
170  * @missing_count: number of times the device not detected by driver
171  * @removal_flag: used to mark the device for removal
172  * @skip_search: used as a flag to include/exclude enclosure for search
173  * @init_complete: Whether the start of the day checks completed or not
174  */
175 struct enc_mapping_table {
176 	u64	enclosure_id;
177 	u32	start_index;
178 	u32	phy_bits;
179 	u16	dpm_entry_num;
180 	u16	enc_handle;
181 	u16	num_slots;
182 	u16	start_slot;
183 	u8	missing_count;
184 	u8	removal_flag;
185 	u8	skip_search;
186 	u8	init_complete;
187 };
188 
189 /**
190  * struct map_removal_table - entries to be removed from mapping table
191  * @dpm_entry_num: index of this device in device persistent map table
192  * @dev_handle: device handle for the device pointed by this entry
193  */
194 struct map_removal_table{
195 	u16	dpm_entry_num;
196 	u16	dev_handle;
197 };
198 
199 typedef struct mpr_fw_diagnostic_buffer {
200 	size_t		size;
201 	uint8_t		extended_type;
202 	uint8_t		buffer_type;
203 	uint8_t		force_release;
204 	uint32_t	product_specific[23];
205 	uint8_t		immediate;
206 	uint8_t		enabled;
207 	uint8_t		valid_data;
208 	uint8_t		owned_by_firmware;
209 	uint32_t	unique_id;
210 } mpr_fw_diagnostic_buffer_t;
211 
212 struct mpr_softc;
213 struct mpr_command;
214 struct mprsas_softc;
215 union ccb;
216 struct mprsas_target;
217 struct mpr_column_map;
218 
219 MALLOC_DECLARE(M_MPR);
220 
221 typedef void mpr_evt_callback_t(struct mpr_softc *, uintptr_t,
222     MPI2_EVENT_NOTIFICATION_REPLY *reply);
223 typedef void mpr_command_callback_t(struct mpr_softc *, struct mpr_command *cm);
224 
225 struct mpr_chain {
226 	TAILQ_ENTRY(mpr_chain)		chain_link;
227 	void				*chain;
228 	uint64_t			chain_busaddr;
229 };
230 
231 struct mpr_prp_page {
232 	TAILQ_ENTRY(mpr_prp_page)	prp_page_link;
233 	uint64_t			*prp_page;
234 	uint64_t			prp_page_busaddr;
235 };
236 
237 /*
238  * This needs to be at least 2 to support SMP passthrough.
239  */
240 #define       MPR_IOVEC_COUNT 2
241 
242 struct mpr_command {
243 	TAILQ_ENTRY(mpr_command)	cm_link;
244 	TAILQ_ENTRY(mpr_command)	cm_recovery;
245 	struct mpr_softc		*cm_sc;
246 	union ccb			*cm_ccb;
247 	void				*cm_data;
248 	u_int				cm_length;
249 	u_int				cm_out_len;
250 	struct uio			cm_uio;
251 	struct iovec			cm_iovec[MPR_IOVEC_COUNT];
252 	u_int				cm_max_segs;
253 	u_int				cm_sglsize;
254 	void				*cm_sge;
255 	uint8_t				*cm_req;
256 	uint8_t				*cm_reply;
257 	uint32_t			cm_reply_data;
258 	mpr_command_callback_t		*cm_complete;
259 	void				*cm_complete_data;
260 	struct mprsas_target		*cm_targ;
261 	MPI2_REQUEST_DESCRIPTOR_UNION	cm_desc;
262 	u_int	                	cm_lun;
263 	u_int				cm_flags;
264 #define MPR_CM_FLAGS_POLLED		(1 << 0)
265 #define MPR_CM_FLAGS_COMPLETE		(1 << 1)
266 #define MPR_CM_FLAGS_SGE_SIMPLE		(1 << 2)
267 #define MPR_CM_FLAGS_DATAOUT		(1 << 3)
268 #define MPR_CM_FLAGS_DATAIN		(1 << 4)
269 #define MPR_CM_FLAGS_WAKEUP		(1 << 5)
270 #define MPR_CM_FLAGS_USE_UIO		(1 << 6)
271 #define MPR_CM_FLAGS_SMP_PASS		(1 << 7)
272 #define	MPR_CM_FLAGS_CHAIN_FAILED	(1 << 8)
273 #define	MPR_CM_FLAGS_ERROR_MASK		MPR_CM_FLAGS_CHAIN_FAILED
274 #define	MPR_CM_FLAGS_USE_CCB		(1 << 9)
275 #define	MPR_CM_FLAGS_SATA_ID_TIMEOUT	(1 << 10)
276 #define MPR_CM_FLAGS_ON_RECOVERY	(1 << 12)
277 #define MPR_CM_FLAGS_TIMEDOUT		(1 << 13)
278 	u_int				cm_state;
279 #define MPR_CM_STATE_FREE		0
280 #define MPR_CM_STATE_BUSY		1
281 #define MPR_CM_STATE_INQUEUE		2
282 	bus_dmamap_t			cm_dmamap;
283 	struct scsi_sense_data		*cm_sense;
284 	uint64_t			*nvme_error_response;
285 	TAILQ_HEAD(, mpr_chain)		cm_chain_list;
286  	TAILQ_HEAD(, mpr_prp_page)	cm_prp_page_list;
287 	uint32_t			cm_req_busaddr;
288 	bus_addr_t			cm_sense_busaddr;
289 	struct callout			cm_callout;
290 	mpr_command_callback_t		*cm_timeout_handler;
291 };
292 
293 struct mpr_column_map {
294 	uint16_t			dev_handle;
295 	uint8_t				phys_disk_num;
296 };
297 
298 struct mpr_event_handle {
299 	TAILQ_ENTRY(mpr_event_handle)	eh_list;
300 	mpr_evt_callback_t		*callback;
301 	void				*data;
302 	uint8_t				mask[16];
303 };
304 
305 struct mpr_busdma_context {
306 	int				completed;
307 	int				abandoned;
308 	int				error;
309 	bus_addr_t			*addr;
310 	struct mpr_softc		*softc;
311 	bus_dmamap_t			buffer_dmamap;
312 	bus_dma_tag_t			buffer_dmat;
313 };
314 
315 struct mpr_queue {
316 	struct mpr_softc		*sc;
317 	int				qnum;
318 	MPI2_REPLY_DESCRIPTORS_UNION	*post_queue;
319 	int				replypostindex;
320 #ifdef notyet
321 	ck_ring_buffer_t		*ringmem;
322 	ck_ring_buffer_t		*chainmem;
323 	ck_ring_t			req_ring;
324 	ck_ring_t			chain_ring;
325 #endif
326 	bus_dma_tag_t			buffer_dmat;
327 	int				io_cmds_highwater;
328 	int				chain_free_lowwater;
329 	int				chain_alloc_fail;
330 	struct resource			*irq;
331 	void				*intrhand;
332 	int				irq_rid;
333 };
334 
335 struct mpr_softc {
336 	device_t			mpr_dev;
337 	struct cdev			*mpr_cdev;
338 	u_int				mpr_flags;
339 #define MPR_FLAGS_INTX		(1 << 0)
340 #define MPR_FLAGS_MSI		(1 << 1)
341 #define MPR_FLAGS_BUSY		(1 << 2)
342 #define MPR_FLAGS_SHUTDOWN	(1 << 3)
343 #define MPR_FLAGS_DIAGRESET	(1 << 4)
344 #define	MPR_FLAGS_ATTACH_DONE	(1 << 5)
345 #define	MPR_FLAGS_GEN35_IOC	(1 << 6)
346 #define	MPR_FLAGS_REALLOCATED	(1 << 7)
347 #define	MPR_FLAGS_SEA_IOC	(1 << 8)
348 	u_int				mpr_debug;
349 	int				msi_msgs;
350 	u_int				reqframesz;
351 	u_int				replyframesz;
352 	u_int				atomic_desc_capable;
353 	int				tm_cmds_active;
354 	int				io_cmds_active;
355 	int				io_cmds_highwater;
356 	int				chain_free;
357 	int				max_chains;
358 	int				max_io_pages;
359 	u_int				maxio;
360 	int				chain_free_lowwater;
361 	uint32_t			chain_frame_size;
362 	int				prp_buffer_size;
363 	int				prp_pages_free;
364 	int				prp_pages_free_lowwater;
365 	u_int				enable_ssu;
366 	int				spinup_wait_time;
367 	int				use_phynum;
368 	int				dump_reqs_alltypes;
369 	uint64_t			chain_alloc_fail;
370 	uint64_t			prp_page_alloc_fail;
371 	struct sysctl_ctx_list		sysctl_ctx;
372 	struct sysctl_oid		*sysctl_tree;
373 	char                            fw_version[16];
374 	char				msg_version[8];
375 	struct mpr_command		*commands;
376 	struct mpr_chain		*chains;
377 	struct mpr_prp_page		*prps;
378 	struct callout			periodic;
379 	struct callout			device_check_callout;
380 	struct mpr_queue		*queues;
381 
382 	struct mprsas_softc		*sassc;
383 	TAILQ_HEAD(, mpr_command)	req_list;
384 	TAILQ_HEAD(, mpr_command)	high_priority_req_list;
385 	TAILQ_HEAD(, mpr_chain)		chain_list;
386 	TAILQ_HEAD(, mpr_prp_page)	prp_page_list;
387 	TAILQ_HEAD(, mpr_command)	tm_list;
388 	int				replypostindex;
389 	int				replyfreeindex;
390 
391 	struct resource			*mpr_regs_resource;
392 	bus_space_handle_t		mpr_bhandle;
393 	bus_space_tag_t			mpr_btag;
394 	int				mpr_regs_rid;
395 
396 	bus_dma_tag_t			mpr_parent_dmat;
397 	bus_dma_tag_t			buffer_dmat;
398 
399 	MPI2_IOC_FACTS_REPLY		*facts;
400 	int				num_reqs;
401 	int				num_prireqs;
402 	int				num_replies;
403 	int				num_chains;
404 	int				fqdepth;	/* Free queue */
405 	int				pqdepth;	/* Post queue */
406 
407 	uint8_t				event_mask[16];
408 	TAILQ_HEAD(, mpr_event_handle)	event_list;
409 	struct mpr_event_handle		*mpr_log_eh;
410 
411 	struct mtx			mpr_mtx;
412 	struct intr_config_hook		mpr_ich;
413 
414 	uint8_t				*req_frames;
415 	bus_addr_t			req_busaddr;
416 	bus_dma_tag_t			req_dmat;
417 	bus_dmamap_t			req_map;
418 
419 	uint8_t				*reply_frames;
420 	bus_addr_t			reply_busaddr;
421 	bus_dma_tag_t			reply_dmat;
422 	bus_dmamap_t			reply_map;
423 
424 	struct scsi_sense_data		*sense_frames;
425 	bus_addr_t			sense_busaddr;
426 	bus_dma_tag_t			sense_dmat;
427 	bus_dmamap_t			sense_map;
428 
429 	uint8_t				*chain_frames;
430 	bus_dma_tag_t			chain_dmat;
431 	bus_dmamap_t			chain_map;
432 
433 	uint8_t				*prp_pages;
434 	bus_addr_t			prp_page_busaddr;
435 	bus_dma_tag_t			prp_page_dmat;
436 	bus_dmamap_t			prp_page_map;
437 
438 	MPI2_REPLY_DESCRIPTORS_UNION	*post_queue;
439 	bus_addr_t			post_busaddr;
440 	uint32_t			*free_queue;
441 	bus_addr_t			free_busaddr;
442 	bus_dma_tag_t			queues_dmat;
443 	bus_dmamap_t			queues_map;
444 
445 	uint8_t				*fw_diag_buffer;
446 	bus_addr_t			fw_diag_busaddr;
447 	bus_dma_tag_t			fw_diag_dmat;
448 	bus_dmamap_t			fw_diag_map;
449 
450 	uint8_t				ir_firmware;
451 
452 	/* static config pages */
453 	Mpi2IOCPage8_t			ioc_pg8;
454 	Mpi2IOUnitPage8_t		iounit_pg8;
455 
456 	/* host mapping support */
457 	struct dev_mapping_table	*mapping_table;
458 	struct enc_mapping_table	*enclosure_table;
459 	struct map_removal_table	*removal_table;
460 	uint8_t				*dpm_entry_used;
461 	uint8_t				*dpm_flush_entry;
462 	Mpi2DriverMappingPage0_t	*dpm_pg0;
463 	uint16_t			max_devices;
464 	uint16_t			max_enclosures;
465 	uint16_t			max_expanders;
466 	uint8_t				max_volumes;
467 	uint8_t				num_enc_table_entries;
468 	uint8_t				num_rsvd_entries;
469 	uint16_t			max_dpm_entries;
470 	uint8_t				is_dpm_enable;
471 	uint8_t				track_mapping_events;
472 	uint32_t			pending_map_events;
473 
474 	/* FW diag Buffer List */
475 	mpr_fw_diagnostic_buffer_t
476 				fw_diag_buffer_list[MPI2_DIAG_BUF_TYPE_COUNT];
477 
478 	/* Event Recording IOCTL support */
479 	uint32_t			events_to_record[4];
480 	mpr_event_entry_t		recorded_events[MPR_EVENT_QUEUE_SIZE];
481 	uint8_t				event_index;
482 	uint32_t			event_number;
483 
484 	/* EEDP and TLR support */
485 	uint8_t				eedp_enabled;
486 	uint8_t				control_TLR;
487 
488 	/* Shutdown Event Handler */
489 	eventhandler_tag		shutdown_eh;
490 
491 	/* To track topo events during reset */
492 #define	MPR_DIAG_RESET_TIMEOUT	300000
493 	uint8_t				wait_for_port_enable;
494 	uint8_t				port_enable_complete;
495 	uint8_t				msleep_fake_chan;
496 
497 	/* StartStopUnit command handling at shutdown */
498 	uint32_t			SSU_refcount;
499 	uint8_t				SSU_started;
500 
501 	/* Configuration tunables */
502 	u_int				disable_msix;
503 	u_int				disable_msi;
504 	u_int				max_msix;
505 	u_int				max_reqframes;
506 	u_int				max_prireqframes;
507 	u_int				max_replyframes;
508 	u_int				max_evtframes;
509 	char				exclude_ids[80];
510 
511 	struct timeval			lastfail;
512 	uint8_t				custom_nvme_tm_handling;
513 	uint8_t				nvme_abort_timeout;
514 };
515 
516 struct mpr_config_params {
517 	MPI2_CONFIG_EXT_PAGE_HEADER_UNION	hdr;
518 	u_int		action;
519 	u_int		page_address;	/* Attributes, not a phys address */
520 	u_int		status;
521 	void		*buffer;
522 	u_int		length;
523 	int		timeout;
524 	void		(*callback)(struct mpr_softc *, struct mpr_config_params *);
525 	void		*cbdata;
526 };
527 
528 struct scsi_read_capacity_eedp
529 {
530 	uint8_t addr[8];
531 	uint8_t length[4];
532 	uint8_t protect;
533 };
534 
535 static __inline uint32_t
536 mpr_regread(struct mpr_softc *sc, uint32_t offset)
537 {
538 	uint32_t ret_val, i = 0;
539 	do {
540 		ret_val =
541 		    bus_space_read_4(sc->mpr_btag, sc->mpr_bhandle, offset);
542 	} while((sc->mpr_flags & MPR_FLAGS_SEA_IOC) &&
543 	    (ret_val == 0) && (++i < 3));
544 
545 	return ret_val;
546 }
547 
548 static __inline void
549 mpr_regwrite(struct mpr_softc *sc, uint32_t offset, uint32_t val)
550 {
551 	bus_space_write_4(sc->mpr_btag, sc->mpr_bhandle, offset, val);
552 }
553 
554 /* free_queue must have Little Endian address
555  * TODO- cm_reply_data is unwanted. We can remove it.
556  * */
557 static __inline void
558 mpr_free_reply(struct mpr_softc *sc, uint32_t busaddr)
559 {
560 	if (++sc->replyfreeindex >= sc->fqdepth)
561 		sc->replyfreeindex = 0;
562 	sc->free_queue[sc->replyfreeindex] = htole32(busaddr);
563 	mpr_regwrite(sc, MPI2_REPLY_FREE_HOST_INDEX_OFFSET, sc->replyfreeindex);
564 }
565 
566 static __inline struct mpr_chain *
567 mpr_alloc_chain(struct mpr_softc *sc)
568 {
569 	struct mpr_chain *chain;
570 
571 	if ((chain = TAILQ_FIRST(&sc->chain_list)) != NULL) {
572 		TAILQ_REMOVE(&sc->chain_list, chain, chain_link);
573 		sc->chain_free--;
574 		if (sc->chain_free < sc->chain_free_lowwater)
575 			sc->chain_free_lowwater = sc->chain_free;
576 	} else
577 		sc->chain_alloc_fail++;
578 	return (chain);
579 }
580 
581 static __inline void
582 mpr_free_chain(struct mpr_softc *sc, struct mpr_chain *chain)
583 {
584 #if 0
585 	bzero(chain->chain, 128);
586 #endif
587 	sc->chain_free++;
588 	TAILQ_INSERT_TAIL(&sc->chain_list, chain, chain_link);
589 }
590 
591 static __inline struct mpr_prp_page *
592 mpr_alloc_prp_page(struct mpr_softc *sc)
593 {
594 	struct mpr_prp_page *prp_page;
595 
596 	if ((prp_page = TAILQ_FIRST(&sc->prp_page_list)) != NULL) {
597 		TAILQ_REMOVE(&sc->prp_page_list, prp_page, prp_page_link);
598 		sc->prp_pages_free--;
599 		if (sc->prp_pages_free < sc->prp_pages_free_lowwater)
600 			sc->prp_pages_free_lowwater = sc->prp_pages_free;
601 	} else
602 		sc->prp_page_alloc_fail++;
603 	return (prp_page);
604 }
605 
606 static __inline void
607 mpr_free_prp_page(struct mpr_softc *sc, struct mpr_prp_page *prp_page)
608 {
609 	sc->prp_pages_free++;
610 	TAILQ_INSERT_TAIL(&sc->prp_page_list, prp_page, prp_page_link);
611 }
612 
613 static __inline void
614 mpr_free_command(struct mpr_softc *sc, struct mpr_command *cm)
615 {
616 	struct mpr_chain *chain, *chain_temp;
617 	struct mpr_prp_page *prp_page, *prp_page_temp;
618 
619 	KASSERT(cm->cm_state == MPR_CM_STATE_BUSY,
620 	    ("state not busy, state = %u\n", cm->cm_state));
621 
622 	if (cm->cm_reply != NULL)
623 		mpr_free_reply(sc, cm->cm_reply_data);
624 	cm->cm_reply = NULL;
625 	cm->cm_flags = 0;
626 	cm->cm_complete = NULL;
627 	cm->cm_complete_data = NULL;
628 	cm->cm_ccb = NULL;
629 	cm->cm_targ = NULL;
630 	cm->cm_max_segs = 0;
631 	cm->cm_lun = 0;
632 	cm->cm_state = MPR_CM_STATE_FREE;
633 	cm->cm_data = NULL;
634 	cm->cm_length = 0;
635 	cm->cm_out_len = 0;
636 	cm->cm_sglsize = 0;
637 	cm->cm_sge = NULL;
638 
639 	TAILQ_FOREACH_SAFE(chain, &cm->cm_chain_list, chain_link, chain_temp) {
640 		TAILQ_REMOVE(&cm->cm_chain_list, chain, chain_link);
641 		mpr_free_chain(sc, chain);
642 	}
643 	TAILQ_FOREACH_SAFE(prp_page, &cm->cm_prp_page_list, prp_page_link,
644 	    prp_page_temp) {
645 		TAILQ_REMOVE(&cm->cm_prp_page_list, prp_page, prp_page_link);
646 		mpr_free_prp_page(sc, prp_page);
647 	}
648 	TAILQ_INSERT_TAIL(&sc->req_list, cm, cm_link);
649 }
650 
651 static __inline struct mpr_command *
652 mpr_alloc_command(struct mpr_softc *sc)
653 {
654 	struct mpr_command *cm;
655 
656 	cm = TAILQ_FIRST(&sc->req_list);
657 	if (cm == NULL)
658 		return (NULL);
659 
660 	KASSERT(cm->cm_state == MPR_CM_STATE_FREE,
661 	    ("mpr: Allocating busy command, state = %u\n", cm->cm_state));
662 
663 	TAILQ_REMOVE(&sc->req_list, cm, cm_link);
664 	cm->cm_state = MPR_CM_STATE_BUSY;
665 	cm->cm_timeout_handler = NULL;
666 	return (cm);
667 }
668 
669 void mprsas_prepare_remove_retry(struct mprsas_softc *sassc);
670 
671 static __inline void
672 mpr_free_high_priority_command(struct mpr_softc *sc, struct mpr_command *cm)
673 {
674 	struct mpr_chain *chain, *chain_temp;
675 
676 	KASSERT(cm->cm_state == MPR_CM_STATE_BUSY,
677 	    ("state not busy, state = %u\n", cm->cm_state));
678 
679 	if (cm->cm_reply != NULL)
680 		mpr_free_reply(sc, cm->cm_reply_data);
681 	cm->cm_reply = NULL;
682 	cm->cm_flags = 0;
683 	cm->cm_complete = NULL;
684 	cm->cm_complete_data = NULL;
685 	cm->cm_ccb = NULL;
686 	cm->cm_targ = NULL;
687 	cm->cm_lun = 0;
688 	cm->cm_state = MPR_CM_STATE_FREE;
689 	TAILQ_FOREACH_SAFE(chain, &cm->cm_chain_list, chain_link, chain_temp) {
690 		TAILQ_REMOVE(&cm->cm_chain_list, chain, chain_link);
691 		mpr_free_chain(sc, chain);
692 	}
693 	TAILQ_INSERT_TAIL(&sc->high_priority_req_list, cm, cm_link);
694 
695 	if (sc->sassc)
696 		mprsas_prepare_remove_retry(sc->sassc);
697 }
698 
699 static __inline struct mpr_command *
700 mpr_alloc_high_priority_command(struct mpr_softc *sc)
701 {
702 	struct mpr_command *cm;
703 
704 	cm = TAILQ_FIRST(&sc->high_priority_req_list);
705 	if (cm == NULL)
706 		return (NULL);
707 
708 	KASSERT(cm->cm_state == MPR_CM_STATE_FREE,
709 	    ("mpr: Allocating busy command, state = %u\n", cm->cm_state));
710 
711 	TAILQ_REMOVE(&sc->high_priority_req_list, cm, cm_link);
712 	cm->cm_state = MPR_CM_STATE_BUSY;
713 	cm->cm_timeout_handler = NULL;
714 	cm->cm_desc.HighPriority.RequestFlags =
715 	    MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
716 	return (cm);
717 }
718 
719 static __inline void
720 mpr_lock(struct mpr_softc *sc)
721 {
722 	mtx_lock(&sc->mpr_mtx);
723 }
724 
725 static __inline void
726 mpr_unlock(struct mpr_softc *sc)
727 {
728 	mtx_unlock(&sc->mpr_mtx);
729 }
730 
731 #define MPR_INFO	(1 << 0)	/* Basic info */
732 #define MPR_FAULT	(1 << 1)	/* Hardware faults */
733 #define MPR_EVENT	(1 << 2)	/* Event data from the controller */
734 #define MPR_LOG		(1 << 3)	/* Log data from the controller */
735 #define MPR_RECOVERY	(1 << 4)	/* Command error recovery tracing */
736 #define MPR_ERROR	(1 << 5)	/* Parameter errors, programming bugs */
737 #define MPR_INIT	(1 << 6)	/* Things related to system init */
738 #define MPR_XINFO	(1 << 7)	/* More detailed/noisy info */
739 #define MPR_USER	(1 << 8)	/* Trace user-generated commands */
740 #define MPR_MAPPING	(1 << 9)	/* Trace device mappings */
741 #define MPR_TRACE	(1 << 10)	/* Function-by-function trace */
742 
743 #define	MPR_SSU_DISABLE_SSD_DISABLE_HDD	0
744 #define	MPR_SSU_ENABLE_SSD_DISABLE_HDD	1
745 #define	MPR_SSU_DISABLE_SSD_ENABLE_HDD	2
746 #define	MPR_SSU_ENABLE_SSD_ENABLE_HDD	3
747 
748 #define mpr_printf(sc, args...)				\
749 	device_printf((sc)->mpr_dev, ##args)
750 
751 #define mpr_print_field(sc, msg, args...)		\
752 	printf("\t" msg, ##args)
753 
754 #define mpr_vprintf(sc, args...)			\
755 do {							\
756 	if (bootverbose)				\
757 		mpr_printf(sc, ##args);			\
758 } while (0)
759 
760 #define mpr_dprint(sc, level, msg, args...)		\
761 do {							\
762 	if ((sc)->mpr_debug & (level))			\
763 		device_printf((sc)->mpr_dev, msg, ##args);	\
764 } while (0)
765 
766 #define MPR_PRINTFIELD_START(sc, tag...)	\
767 	mpr_printf((sc), ##tag);		\
768 	mpr_print_field((sc), ":\n")
769 #define MPR_PRINTFIELD_END(sc, tag)		\
770 	mpr_printf((sc), tag "\n")
771 #define MPR_PRINTFIELD(sc, facts, attr, fmt)	\
772 	mpr_print_field((sc), #attr ": " #fmt "\n", (facts)->attr)
773 #define MPR_PRINTFIELD_16(sc, facts, attr, fmt)	\
774 	mpr_print_field((sc), #attr ": " #fmt "\n", le16toh((facts)->attr))
775 #define MPR_PRINTFIELD_32(sc, facts, attr, fmt)	\
776 	mpr_print_field((sc), #attr ": " #fmt "\n", le32toh((facts)->attr))
777 
778 static __inline void
779 mpr_from_u64(uint64_t data, U64 *mpr)
780 {
781 	(mpr)->High = htole32((uint32_t)((data) >> 32));
782 	(mpr)->Low = htole32((uint32_t)((data) & 0xffffffff));
783 }
784 
785 static __inline uint64_t
786 mpr_to_u64(U64 *data)
787 {
788 	return (((uint64_t)le32toh(data->High) << 32) | le32toh(data->Low));
789 }
790 
791 static __inline void
792 mpr_mask_intr(struct mpr_softc *sc)
793 {
794 	uint32_t mask;
795 
796 	mask = mpr_regread(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET);
797 	mask |= MPI2_HIM_REPLY_INT_MASK;
798 	mpr_regwrite(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET, mask);
799 }
800 
801 static __inline void
802 mpr_unmask_intr(struct mpr_softc *sc)
803 {
804 	uint32_t mask;
805 
806 	mask = mpr_regread(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET);
807 	mask &= ~MPI2_HIM_REPLY_INT_MASK;
808 	mpr_regwrite(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET, mask);
809 }
810 
811 int mpr_pci_setup_interrupts(struct mpr_softc *sc);
812 void mpr_pci_free_interrupts(struct mpr_softc *sc);
813 int mpr_pci_restore(struct mpr_softc *sc);
814 
815 void mpr_get_tunables(struct mpr_softc *sc);
816 int mpr_attach(struct mpr_softc *sc);
817 int mpr_free(struct mpr_softc *sc);
818 void mpr_intr(void *);
819 void mpr_intr_msi(void *);
820 void mpr_intr_locked(void *);
821 int mpr_register_events(struct mpr_softc *, uint8_t *, mpr_evt_callback_t *,
822     void *, struct mpr_event_handle **);
823 int mpr_restart(struct mpr_softc *);
824 int mpr_update_events(struct mpr_softc *, struct mpr_event_handle *, uint8_t *);
825 int mpr_deregister_events(struct mpr_softc *, struct mpr_event_handle *);
826 void mpr_build_nvme_prp(struct mpr_softc *sc, struct mpr_command *cm,
827     Mpi26NVMeEncapsulatedRequest_t *nvme_encap_request, void *data,
828     uint32_t data_in_sz, uint32_t data_out_sz);
829 int mpr_push_sge(struct mpr_command *, MPI2_SGE_SIMPLE64 *, size_t, int);
830 int mpr_push_ieee_sge(struct mpr_command *, void *, int);
831 int mpr_add_dmaseg(struct mpr_command *, vm_paddr_t, size_t, u_int, int);
832 int mpr_attach_sas(struct mpr_softc *sc);
833 int mpr_detach_sas(struct mpr_softc *sc);
834 int mpr_read_config_page(struct mpr_softc *, struct mpr_config_params *);
835 int mpr_write_config_page(struct mpr_softc *, struct mpr_config_params *);
836 void mpr_memaddr_cb(void *, bus_dma_segment_t *, int , int );
837 void mpr_memaddr_wait_cb(void *, bus_dma_segment_t *, int , int );
838 void mpr_init_sge(struct mpr_command *cm, void *req, void *sge);
839 int mpr_attach_user(struct mpr_softc *);
840 void mpr_detach_user(struct mpr_softc *);
841 void mprsas_record_event(struct mpr_softc *sc,
842     MPI2_EVENT_NOTIFICATION_REPLY *event_reply);
843 
844 int mpr_map_command(struct mpr_softc *sc, struct mpr_command *cm);
845 int mpr_wait_command(struct mpr_softc *sc, struct mpr_command **cm, int timeout,
846     int sleep_flag);
847 int mpr_request_polled(struct mpr_softc *sc, struct mpr_command **cm);
848 
849 int mpr_config_get_bios_pg3(struct mpr_softc *sc, Mpi2ConfigReply_t
850     *mpi_reply, Mpi2BiosPage3_t *config_page);
851 int mpr_config_get_raid_volume_pg0(struct mpr_softc *sc, Mpi2ConfigReply_t
852     *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 page_address);
853 int mpr_config_get_ioc_pg8(struct mpr_softc *sc, Mpi2ConfigReply_t *,
854     Mpi2IOCPage8_t *);
855 int mpr_config_get_iounit_pg8(struct mpr_softc *sc,
856     Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage8_t *config_page);
857 int mpr_config_get_sas_device_pg0(struct mpr_softc *, Mpi2ConfigReply_t *,
858     Mpi2SasDevicePage0_t *, u32 , u16 );
859 int mpr_config_get_pcie_device_pg0(struct mpr_softc *sc, Mpi2ConfigReply_t
860     *mpi_reply, Mpi26PCIeDevicePage0_t *config_page, u32 form, u16 handle);
861 int mpr_config_get_pcie_device_pg2(struct mpr_softc *sc, Mpi2ConfigReply_t
862     *mpi_reply, Mpi26PCIeDevicePage2_t *config_page, u32 form, u16 handle);
863 int mpr_config_get_dpm_pg0(struct mpr_softc *, Mpi2ConfigReply_t *,
864     Mpi2DriverMappingPage0_t *, u16 );
865 int mpr_config_get_raid_volume_pg1(struct mpr_softc *sc,
866     Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
867     u16 handle);
868 int mpr_config_get_volume_wwid(struct mpr_softc *sc, u16 volume_handle,
869     u64 *wwid);
870 int mpr_config_get_raid_pd_pg0(struct mpr_softc *sc,
871     Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page,
872     u32 page_address);
873 int mpr_config_get_man_pg11(struct mpr_softc *sc, Mpi2ConfigReply_t *mpi_reply,
874     Mpi2ManufacturingPage11_t *config_page);
875 void mprsas_ir_shutdown(struct mpr_softc *sc, int howto);
876 
877 int mpr_reinit(struct mpr_softc *sc);
878 void mprsas_handle_reinit(struct mpr_softc *sc);
879 
880 void mpr_base_static_config_pages(struct mpr_softc *sc);
881 
882 int mpr_mapping_initialize(struct mpr_softc *);
883 void mpr_mapping_topology_change_event(struct mpr_softc *,
884     Mpi2EventDataSasTopologyChangeList_t *);
885 void mpr_mapping_pcie_topology_change_event(struct mpr_softc *sc,
886     Mpi26EventDataPCIeTopologyChangeList_t *event_data);
887 void mpr_mapping_free_memory(struct mpr_softc *sc);
888 int mpr_config_set_dpm_pg0(struct mpr_softc *, Mpi2ConfigReply_t *,
889     Mpi2DriverMappingPage0_t *, u16 );
890 void mpr_mapping_exit(struct mpr_softc *);
891 void mpr_mapping_check_devices(void *);
892 int mpr_mapping_allocate_memory(struct mpr_softc *sc);
893 unsigned int mpr_mapping_get_tid(struct mpr_softc *, uint64_t , u16);
894 unsigned int mpr_mapping_get_tid_from_handle(struct mpr_softc *sc,
895     u16 handle);
896 unsigned int mpr_mapping_get_raid_tid(struct mpr_softc *sc, u64 wwid,
897     u16 volHandle);
898 unsigned int mpr_mapping_get_raid_tid_from_handle(struct mpr_softc *sc,
899     u16 volHandle);
900 void mpr_mapping_enclosure_dev_status_change_event(struct mpr_softc *,
901     Mpi2EventDataSasEnclDevStatusChange_t *event_data);
902 void mpr_mapping_ir_config_change_event(struct mpr_softc *sc,
903     Mpi2EventDataIrConfigChangeList_t *event_data);
904 
905 void mprsas_evt_handler(struct mpr_softc *sc, uintptr_t data,
906     MPI2_EVENT_NOTIFICATION_REPLY *event);
907 void mprsas_prepare_remove(struct mprsas_softc *sassc, uint16_t handle);
908 void mprsas_prepare_volume_remove(struct mprsas_softc *sassc, uint16_t handle);
909 int mprsas_startup(struct mpr_softc *sc);
910 struct mprsas_target * mprsas_find_target_by_handle(struct mprsas_softc *, int,
911     uint16_t);
912 void mprsas_realloc_targets(struct mpr_softc *sc, int maxtargets);
913 struct mpr_command * mprsas_alloc_tm(struct mpr_softc *sc);
914 void mprsas_free_tm(struct mpr_softc *sc, struct mpr_command *tm);
915 void mprsas_release_simq_reinit(struct mprsas_softc *sassc);
916 int mprsas_send_reset(struct mpr_softc *sc, struct mpr_command *tm,
917     uint8_t type);
918 
919 SYSCTL_DECL(_hw_mpr);
920 
921 /* Compatibility shims for different OS versions */
922 #if defined(CAM_PRIORITY_XPT)
923 #define MPR_PRIORITY_XPT	CAM_PRIORITY_XPT
924 #else
925 #define MPR_PRIORITY_XPT	5
926 #endif
927 
928 /* Definitions for SCSI unmap translation to NVMe DSM command */
929 
930 /* UNMAP block descriptor structure */
931 struct unmap_blk_desc {
932 	uint64_t slba;
933 	uint32_t nlb;
934 	uint32_t resv;
935 };
936 
937 /* UNMAP command's data */
938 struct unmap_parm_list {
939 	uint16_t unmap_data_len;
940 	uint16_t unmap_blk_desc_data_len;
941 	uint32_t resv;
942 	struct unmap_blk_desc desc[0];
943 };
944 
945 /* SCSI ADDITIONAL SENSE Codes */
946 #define FIXED_SENSE_DATA                                0x70
947 #define SCSI_ASC_NO_SENSE                               0x00
948 #define SCSI_ASC_PERIPHERAL_DEV_WRITE_FAULT             0x03
949 #define SCSI_ASC_LUN_NOT_READY                          0x04
950 #define SCSI_ASC_WARNING                                0x0B
951 #define SCSI_ASC_LOG_BLOCK_GUARD_CHECK_FAILED           0x10
952 #define SCSI_ASC_LOG_BLOCK_APPTAG_CHECK_FAILED          0x10
953 #define SCSI_ASC_LOG_BLOCK_REFTAG_CHECK_FAILED          0x10
954 #define SCSI_ASC_UNRECOVERED_READ_ERROR                 0x11
955 #define SCSI_ASC_MISCOMPARE_DURING_VERIFY               0x1D
956 #define SCSI_ASC_ACCESS_DENIED_INVALID_LUN_ID           0x20
957 #define SCSI_ASC_ILLEGAL_COMMAND                        0x20
958 #define SCSI_ASC_ILLEGAL_BLOCK                          0x21
959 #define SCSI_ASC_INVALID_CDB                            0x24
960 #define SCSI_ASC_INVALID_LUN                            0x25
961 #define SCSI_ASC_INVALID_PARAMETER                      0x26
962 #define SCSI_ASC_FORMAT_COMMAND_FAILED                  0x31
963 #define SCSI_ASC_INTERNAL_TARGET_FAILURE                0x44
964 
965 /* SCSI ADDITIONAL SENSE Code Qualifiers */
966 #define SCSI_ASCQ_CAUSE_NOT_REPORTABLE                  0x00
967 #define SCSI_ASCQ_FORMAT_COMMAND_FAILED                 0x01
968 #define SCSI_ASCQ_LOG_BLOCK_GUARD_CHECK_FAILED          0x01
969 #define SCSI_ASCQ_LOG_BLOCK_APPTAG_CHECK_FAILED         0x02
970 #define SCSI_ASCQ_LOG_BLOCK_REFTAG_CHECK_FAILED         0x03
971 #define SCSI_ASCQ_FORMAT_IN_PROGRESS                    0x04
972 #define SCSI_ASCQ_POWER_LOSS_EXPECTED                   0x08
973 #define SCSI_ASCQ_INVALID_LUN_ID                        0x09
974 
975 #endif
976