xref: /freebsd/sys/dev/mpr/mprvar.h (revision 6829dae12bb055451fa467da4589c43bd03b1e64)
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  * $FreeBSD$
32  */
33 
34 #ifndef _MPRVAR_H
35 #define _MPRVAR_H
36 
37 #define MPR_DRIVER_VERSION	"23.00.00.00-fbsd"
38 
39 #define MPR_DB_MAX_WAIT		2500
40 
41 #define MPR_REQ_FRAMES		2048
42 #define MPR_PRI_REQ_FRAMES	128
43 #define MPR_EVT_REPLY_FRAMES	32
44 #define MPR_REPLY_FRAMES	MPR_REQ_FRAMES
45 #define MPR_CHAIN_FRAMES	16384
46 #define MPR_MAXIO_PAGES		(-1)
47 #define MPR_SENSE_LEN		SSD_FULL_SIZE
48 #define MPR_MSI_MAX		1
49 #define MPR_MSIX_MAX		96
50 #define MPR_SGE64_SIZE		12
51 #define MPR_SGE32_SIZE		8
52 #define MPR_SGC_SIZE		8
53 #define MPR_DEFAULT_CHAIN_SEG_SIZE	8
54 #define MPR_MAX_CHAIN_ELEMENT_SIZE	16
55 
56 /*
57  * PCIe NVMe Specific defines
58  */
59 //SLM-for now just use the same value as a SAS disk
60 #define NVME_QDEPTH			MPR_REQ_FRAMES
61 #define PRP_ENTRY_SIZE			8
62 #define NVME_CMD_PRP1_OFFSET		24	/* PRP1 offset in NVMe cmd */
63 #define NVME_CMD_PRP2_OFFSET		32	/* PRP2 offset in NVMe cmd */
64 #define NVME_ERROR_RESPONSE_SIZE	16	/* Max NVME Error Response */
65 #define HOST_PAGE_SIZE_4K		12
66 
67 #define MPR_FUNCTRACE(sc)			\
68 	mpr_dprint((sc), MPR_TRACE, "%s\n", __func__)
69 
70 #define	CAN_SLEEP			1
71 #define	NO_SLEEP			0
72 
73 #define MPR_PERIODIC_DELAY	1	/* 1 second heartbeat/watchdog check */
74 #define MPR_ATA_ID_TIMEOUT	5	/* 5 second timeout for SATA ID cmd */
75 #define MPR_MISSING_CHECK_DELAY	10	/* 10 seconds between missing check */
76 
77 #define	IFAULT_IOP_OVER_TEMP_THRESHOLD_EXCEEDED	0x2810
78 
79 #define MPR_SCSI_RI_INVALID_FRAME	(0x00000002)
80 
81 #define DEFAULT_SPINUP_WAIT	3	/* seconds to wait for spinup */
82 
83 #include <sys/endian.h>
84 
85 /*
86  * host mapping related macro definitions
87  */
88 #define MPR_MAPTABLE_BAD_IDX	0xFFFFFFFF
89 #define MPR_DPM_BAD_IDX		0xFFFF
90 #define MPR_ENCTABLE_BAD_IDX	0xFF
91 #define MPR_MAX_MISSING_COUNT	0x0F
92 #define MPR_DEV_RESERVED	0x20000000
93 #define MPR_MAP_IN_USE		0x10000000
94 #define MPR_MAP_BAD_ID		0xFFFFFFFF
95 
96 typedef uint8_t u8;
97 typedef uint16_t u16;
98 typedef uint32_t u32;
99 typedef uint64_t u64;
100 
101 typedef struct _MPI2_CONFIG_PAGE_MAN_11
102 {
103     MPI2_CONFIG_PAGE_HEADER             Header;         	/* 0x00 */
104     U8					FlashTime;		/* 0x04 */
105     U8					NVTime;			/* 0x05 */
106     U16					Flag;			/* 0x06 */
107     U8					RFIoTimeout;		/* 0x08 */
108     U8					EEDPTagMode;		/* 0x09 */
109     U8					AWTValue;		/* 0x0A */
110     U8					Reserve1;		/* 0x0B */
111     U8					MaxCmdFrames;		/* 0x0C */
112     U8					Reserve2;		/* 0x0D */
113     U16					AddlFlags;		/* 0x0E */
114     U32					SysRefClk;		/* 0x10 */
115     U64					Reserve3[3];		/* 0x14 */
116     U16					AddlFlags2;		/* 0x2C */
117     U8					AddlFlags3;		/* 0x2E */
118     U8					Reserve4;		/* 0x2F */
119     U64					opDebugEnable;		/* 0x30 */
120     U64					PlDebugEnable;		/* 0x38 */
121     U64					IrDebugEnable;		/* 0x40 */
122     U32					BoardPowerRequirement;	/* 0x48 */
123     U8					NVMeAbortTO;		/* 0x4C */
124     U8					Reserve5;		/* 0x4D */
125     U16					Reserve6;		/* 0x4E */
126     U32					Reserve7[3];		/* 0x50 */
127 } MPI2_CONFIG_PAGE_MAN_11,
128   MPI2_POINTER PTR_MPI2_CONFIG_PAGE_MAN_11,
129   Mpi2ManufacturingPage11_t, MPI2_POINTER pMpi2ManufacturingPage11_t;
130 
131 #define MPI2_MAN_PG11_ADDLFLAGS2_CUSTOM_TM_HANDLING_MASK	(0x0010)
132 
133 /**
134  * struct dev_mapping_table - device mapping information
135  * @physical_id: SAS address for drives or WWID for RAID volumes
136  * @device_info: bitfield provides detailed info about the device
137  * @phy_bits: bitfields indicating controller phys
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  * @id: target id
141  * @missing_count: number of times the device not detected by driver
142  * @hide_flag: Hide this physical disk/not (foreign configuration)
143  * @init_complete: Whether the start of the day checks completed or not
144  * @TLR_bits: Turn TLR support on or off
145  */
146 struct dev_mapping_table {
147 	u64	physical_id;
148 	u32	device_info;
149 	u32	phy_bits;
150 	u16	dpm_entry_num;
151 	u16	dev_handle;
152 	u16	reserved1;
153 	u16	id;
154 	u8	missing_count;
155 	u8	init_complete;
156 	u8	TLR_bits;
157 	u8	reserved2;
158 };
159 
160 /**
161  * struct enc_mapping_table -  mapping information about an enclosure
162  * @enclosure_id: Logical ID of this enclosure
163  * @start_index: index to the entry in dev_mapping_table
164  * @phy_bits: bitfields indicating controller phys
165  * @dpm_entry_num: index of this enclosure in device persistent map table
166  * @enc_handle: device handle for the enclosure pointed by this entry
167  * @num_slots: number of slots in the enclosure
168  * @start_slot: Starting slot id
169  * @missing_count: number of times the device not detected by driver
170  * @removal_flag: used to mark the device for removal
171  * @skip_search: used as a flag to include/exclude enclosure for search
172  * @init_complete: Whether the start of the day checks completed or not
173  */
174 struct enc_mapping_table {
175 	u64	enclosure_id;
176 	u32	start_index;
177 	u32	phy_bits;
178 	u16	dpm_entry_num;
179 	u16	enc_handle;
180 	u16	num_slots;
181 	u16	start_slot;
182 	u8	missing_count;
183 	u8	removal_flag;
184 	u8	skip_search;
185 	u8	init_complete;
186 };
187 
188 /**
189  * struct map_removal_table - entries to be removed from mapping table
190  * @dpm_entry_num: index of this device in device persistent map table
191  * @dev_handle: device handle for the device pointed by this entry
192  */
193 struct map_removal_table{
194 	u16	dpm_entry_num;
195 	u16	dev_handle;
196 };
197 
198 typedef struct mpr_fw_diagnostic_buffer {
199 	size_t		size;
200 	uint8_t		extended_type;
201 	uint8_t		buffer_type;
202 	uint8_t		force_release;
203 	uint32_t	product_specific[23];
204 	uint8_t		immediate;
205 	uint8_t		enabled;
206 	uint8_t		valid_data;
207 	uint8_t		owned_by_firmware;
208 	uint32_t	unique_id;
209 } mpr_fw_diagnostic_buffer_t;
210 
211 struct mpr_softc;
212 struct mpr_command;
213 struct mprsas_softc;
214 union ccb;
215 struct mprsas_target;
216 struct mpr_column_map;
217 
218 MALLOC_DECLARE(M_MPR);
219 
220 typedef void mpr_evt_callback_t(struct mpr_softc *, uintptr_t,
221     MPI2_EVENT_NOTIFICATION_REPLY *reply);
222 typedef void mpr_command_callback_t(struct mpr_softc *, struct mpr_command *cm);
223 
224 struct mpr_chain {
225 	TAILQ_ENTRY(mpr_chain)		chain_link;
226 	void				*chain;
227 	uint64_t			chain_busaddr;
228 };
229 
230 struct mpr_prp_page {
231 	TAILQ_ENTRY(mpr_prp_page)	prp_page_link;
232 	uint64_t			*prp_page;
233 	uint64_t			prp_page_busaddr;
234 };
235 
236 /*
237  * This needs to be at least 2 to support SMP passthrough.
238  */
239 #define       MPR_IOVEC_COUNT 2
240 
241 struct mpr_command {
242 	TAILQ_ENTRY(mpr_command)	cm_link;
243 	TAILQ_ENTRY(mpr_command)	cm_recovery;
244 	struct mpr_softc		*cm_sc;
245 	union ccb			*cm_ccb;
246 	void				*cm_data;
247 	u_int				cm_length;
248 	u_int				cm_out_len;
249 	struct uio			cm_uio;
250 	struct iovec			cm_iovec[MPR_IOVEC_COUNT];
251 	u_int				cm_max_segs;
252 	u_int				cm_sglsize;
253 	void				*cm_sge;
254 	uint8_t				*cm_req;
255 	uint8_t				*cm_reply;
256 	uint32_t			cm_reply_data;
257 	mpr_command_callback_t		*cm_complete;
258 	void				*cm_complete_data;
259 	struct mprsas_target		*cm_targ;
260 	MPI2_REQUEST_DESCRIPTOR_UNION	cm_desc;
261 	u_int	                	cm_lun;
262 	u_int				cm_flags;
263 #define MPR_CM_FLAGS_POLLED		(1 << 0)
264 #define MPR_CM_FLAGS_COMPLETE		(1 << 1)
265 #define MPR_CM_FLAGS_SGE_SIMPLE		(1 << 2)
266 #define MPR_CM_FLAGS_DATAOUT		(1 << 3)
267 #define MPR_CM_FLAGS_DATAIN		(1 << 4)
268 #define MPR_CM_FLAGS_WAKEUP		(1 << 5)
269 #define MPR_CM_FLAGS_USE_UIO		(1 << 6)
270 #define MPR_CM_FLAGS_SMP_PASS		(1 << 7)
271 #define	MPR_CM_FLAGS_CHAIN_FAILED	(1 << 8)
272 #define	MPR_CM_FLAGS_ERROR_MASK		MPR_CM_FLAGS_CHAIN_FAILED
273 #define	MPR_CM_FLAGS_USE_CCB		(1 << 9)
274 #define	MPR_CM_FLAGS_SATA_ID_TIMEOUT	(1 << 10)
275 	u_int				cm_state;
276 #define MPR_CM_STATE_FREE		0
277 #define MPR_CM_STATE_BUSY		1
278 #define MPR_CM_STATE_TIMEDOUT		2
279 #define MPR_CM_STATE_INQUEUE		3
280 	bus_dmamap_t			cm_dmamap;
281 	struct scsi_sense_data		*cm_sense;
282 	uint64_t			*nvme_error_response;
283 	TAILQ_HEAD(, mpr_chain)		cm_chain_list;
284  	TAILQ_HEAD(, mpr_prp_page)	cm_prp_page_list;
285 	uint32_t			cm_req_busaddr;
286 	bus_addr_t			cm_sense_busaddr;
287 	struct callout			cm_callout;
288 	mpr_command_callback_t		*cm_timeout_handler;
289 };
290 
291 struct mpr_column_map {
292 	uint16_t			dev_handle;
293 	uint8_t				phys_disk_num;
294 };
295 
296 struct mpr_event_handle {
297 	TAILQ_ENTRY(mpr_event_handle)	eh_list;
298 	mpr_evt_callback_t		*callback;
299 	void				*data;
300 	uint8_t				mask[16];
301 };
302 
303 struct mpr_busdma_context {
304 	int				completed;
305 	int				abandoned;
306 	int				error;
307 	bus_addr_t			*addr;
308 	struct mpr_softc		*softc;
309 	bus_dmamap_t			buffer_dmamap;
310 	bus_dma_tag_t			buffer_dmat;
311 };
312 
313 struct mpr_queue {
314 	struct mpr_softc		*sc;
315 	int				qnum;
316 	MPI2_REPLY_DESCRIPTORS_UNION	*post_queue;
317 	int				replypostindex;
318 #ifdef notyet
319 	ck_ring_buffer_t		*ringmem;
320 	ck_ring_buffer_t		*chainmem;
321 	ck_ring_t			req_ring;
322 	ck_ring_t			chain_ring;
323 #endif
324 	bus_dma_tag_t			buffer_dmat;
325 	int				io_cmds_highwater;
326 	int				chain_free_lowwater;
327 	int				chain_alloc_fail;
328 	struct resource			*irq;
329 	void				*intrhand;
330 	int				irq_rid;
331 };
332 
333 struct mpr_softc {
334 	device_t			mpr_dev;
335 	struct cdev			*mpr_cdev;
336 	u_int				mpr_flags;
337 #define MPR_FLAGS_INTX		(1 << 0)
338 #define MPR_FLAGS_MSI		(1 << 1)
339 #define MPR_FLAGS_BUSY		(1 << 2)
340 #define MPR_FLAGS_SHUTDOWN	(1 << 3)
341 #define MPR_FLAGS_DIAGRESET	(1 << 4)
342 #define	MPR_FLAGS_ATTACH_DONE	(1 << 5)
343 #define	MPR_FLAGS_GEN35_IOC	(1 << 6)
344 #define	MPR_FLAGS_REALLOCATED	(1 << 7)
345 #define	MPR_FLAGS_SEA_IOC	(1 << 8)
346 	u_int				mpr_debug;
347 	int				msi_msgs;
348 	u_int				reqframesz;
349 	u_int				replyframesz;
350 	u_int				atomic_desc_capable;
351 	int				tm_cmds_active;
352 	int				io_cmds_active;
353 	int				io_cmds_highwater;
354 	int				chain_free;
355 	int				max_chains;
356 	int				max_io_pages;
357 	u_int				maxio;
358 	int				chain_free_lowwater;
359 	uint32_t			chain_frame_size;
360 	int				prp_buffer_size;
361 	int				prp_pages_free;
362 	int				prp_pages_free_lowwater;
363 	u_int				enable_ssu;
364 	int				spinup_wait_time;
365 	int				use_phynum;
366 	uint64_t			chain_alloc_fail;
367 	uint64_t			prp_page_alloc_fail;
368 	struct sysctl_ctx_list		sysctl_ctx;
369 	struct sysctl_oid		*sysctl_tree;
370 	char                            fw_version[16];
371 	struct mpr_command		*commands;
372 	struct mpr_chain		*chains;
373 	struct mpr_prp_page		*prps;
374 	struct callout			periodic;
375 	struct callout			device_check_callout;
376 	struct mpr_queue		*queues;
377 
378 	struct mprsas_softc		*sassc;
379 	TAILQ_HEAD(, mpr_command)	req_list;
380 	TAILQ_HEAD(, mpr_command)	high_priority_req_list;
381 	TAILQ_HEAD(, mpr_chain)		chain_list;
382 	TAILQ_HEAD(, mpr_prp_page)	prp_page_list;
383 	TAILQ_HEAD(, mpr_command)	tm_list;
384 	int				replypostindex;
385 	int				replyfreeindex;
386 
387 	struct resource			*mpr_regs_resource;
388 	bus_space_handle_t		mpr_bhandle;
389 	bus_space_tag_t			mpr_btag;
390 	int				mpr_regs_rid;
391 
392 	bus_dma_tag_t			mpr_parent_dmat;
393 	bus_dma_tag_t			buffer_dmat;
394 
395 	MPI2_IOC_FACTS_REPLY		*facts;
396 	int				num_reqs;
397 	int				num_prireqs;
398 	int				num_replies;
399 	int				num_chains;
400 	int				fqdepth;	/* Free queue */
401 	int				pqdepth;	/* Post queue */
402 
403 	uint8_t				event_mask[16];
404 	TAILQ_HEAD(, mpr_event_handle)	event_list;
405 	struct mpr_event_handle		*mpr_log_eh;
406 
407 	struct mtx			mpr_mtx;
408 	struct intr_config_hook		mpr_ich;
409 
410 	uint8_t				*req_frames;
411 	bus_addr_t			req_busaddr;
412 	bus_dma_tag_t			req_dmat;
413 	bus_dmamap_t			req_map;
414 
415 	uint8_t				*reply_frames;
416 	bus_addr_t			reply_busaddr;
417 	bus_dma_tag_t			reply_dmat;
418 	bus_dmamap_t			reply_map;
419 
420 	struct scsi_sense_data		*sense_frames;
421 	bus_addr_t			sense_busaddr;
422 	bus_dma_tag_t			sense_dmat;
423 	bus_dmamap_t			sense_map;
424 
425 	uint8_t				*chain_frames;
426 	bus_dma_tag_t			chain_dmat;
427 	bus_dmamap_t			chain_map;
428 
429 	uint8_t				*prp_pages;
430 	bus_addr_t			prp_page_busaddr;
431 	bus_dma_tag_t			prp_page_dmat;
432 	bus_dmamap_t			prp_page_map;
433 
434 	MPI2_REPLY_DESCRIPTORS_UNION	*post_queue;
435 	bus_addr_t			post_busaddr;
436 	uint32_t			*free_queue;
437 	bus_addr_t			free_busaddr;
438 	bus_dma_tag_t			queues_dmat;
439 	bus_dmamap_t			queues_map;
440 
441 	uint8_t				*fw_diag_buffer;
442 	bus_addr_t			fw_diag_busaddr;
443 	bus_dma_tag_t			fw_diag_dmat;
444 	bus_dmamap_t			fw_diag_map;
445 
446 	uint8_t				ir_firmware;
447 
448 	/* static config pages */
449 	Mpi2IOCPage8_t			ioc_pg8;
450 	Mpi2IOUnitPage8_t		iounit_pg8;
451 
452 	/* host mapping support */
453 	struct dev_mapping_table	*mapping_table;
454 	struct enc_mapping_table	*enclosure_table;
455 	struct map_removal_table	*removal_table;
456 	uint8_t				*dpm_entry_used;
457 	uint8_t				*dpm_flush_entry;
458 	Mpi2DriverMappingPage0_t	*dpm_pg0;
459 	uint16_t			max_devices;
460 	uint16_t			max_enclosures;
461 	uint16_t			max_expanders;
462 	uint8_t				max_volumes;
463 	uint8_t				num_enc_table_entries;
464 	uint8_t				num_rsvd_entries;
465 	uint16_t			max_dpm_entries;
466 	uint8_t				is_dpm_enable;
467 	uint8_t				track_mapping_events;
468 	uint32_t			pending_map_events;
469 
470 	/* FW diag Buffer List */
471 	mpr_fw_diagnostic_buffer_t
472 				fw_diag_buffer_list[MPI2_DIAG_BUF_TYPE_COUNT];
473 
474 	/* Event Recording IOCTL support */
475 	uint32_t			events_to_record[4];
476 	mpr_event_entry_t		recorded_events[MPR_EVENT_QUEUE_SIZE];
477 	uint8_t				event_index;
478 	uint32_t			event_number;
479 
480 	/* EEDP and TLR support */
481 	uint8_t				eedp_enabled;
482 	uint8_t				control_TLR;
483 
484 	/* Shutdown Event Handler */
485 	eventhandler_tag		shutdown_eh;
486 
487 	/* To track topo events during reset */
488 #define	MPR_DIAG_RESET_TIMEOUT	300000
489 	uint8_t				wait_for_port_enable;
490 	uint8_t				port_enable_complete;
491 	uint8_t				msleep_fake_chan;
492 
493 	/* StartStopUnit command handling at shutdown */
494 	uint32_t			SSU_refcount;
495 	uint8_t				SSU_started;
496 
497 	/* Configuration tunables */
498 	u_int				disable_msix;
499 	u_int				disable_msi;
500 	u_int				max_msix;
501 	u_int				max_reqframes;
502 	u_int				max_prireqframes;
503 	u_int				max_replyframes;
504 	u_int				max_evtframes;
505 	char				exclude_ids[80];
506 
507 	struct timeval			lastfail;
508 	uint8_t				custom_nvme_tm_handling;
509 	uint8_t				nvme_abort_timeout;
510 };
511 
512 struct mpr_config_params {
513 	MPI2_CONFIG_EXT_PAGE_HEADER_UNION	hdr;
514 	u_int		action;
515 	u_int		page_address;	/* Attributes, not a phys address */
516 	u_int		status;
517 	void		*buffer;
518 	u_int		length;
519 	int		timeout;
520 	void		(*callback)(struct mpr_softc *, struct mpr_config_params *);
521 	void		*cbdata;
522 };
523 
524 struct scsi_read_capacity_eedp
525 {
526 	uint8_t addr[8];
527 	uint8_t length[4];
528 	uint8_t protect;
529 };
530 
531 static __inline uint32_t
532 mpr_regread(struct mpr_softc *sc, uint32_t offset)
533 {
534 	uint32_t ret_val, i = 0;
535 	do {
536 		ret_val =
537 		    bus_space_read_4(sc->mpr_btag, sc->mpr_bhandle, offset);
538 	} while((sc->mpr_flags & MPR_FLAGS_SEA_IOC) &&
539 	    (ret_val == 0) && (++i < 3));
540 
541 	return ret_val;
542 }
543 
544 static __inline void
545 mpr_regwrite(struct mpr_softc *sc, uint32_t offset, uint32_t val)
546 {
547 	bus_space_write_4(sc->mpr_btag, sc->mpr_bhandle, offset, val);
548 }
549 
550 /* free_queue must have Little Endian address
551  * TODO- cm_reply_data is unwanted. We can remove it.
552  * */
553 static __inline void
554 mpr_free_reply(struct mpr_softc *sc, uint32_t busaddr)
555 {
556 	if (++sc->replyfreeindex >= sc->fqdepth)
557 		sc->replyfreeindex = 0;
558 	sc->free_queue[sc->replyfreeindex] = htole32(busaddr);
559 	mpr_regwrite(sc, MPI2_REPLY_FREE_HOST_INDEX_OFFSET, sc->replyfreeindex);
560 }
561 
562 static __inline struct mpr_chain *
563 mpr_alloc_chain(struct mpr_softc *sc)
564 {
565 	struct mpr_chain *chain;
566 
567 	if ((chain = TAILQ_FIRST(&sc->chain_list)) != NULL) {
568 		TAILQ_REMOVE(&sc->chain_list, chain, chain_link);
569 		sc->chain_free--;
570 		if (sc->chain_free < sc->chain_free_lowwater)
571 			sc->chain_free_lowwater = sc->chain_free;
572 	} else
573 		sc->chain_alloc_fail++;
574 	return (chain);
575 }
576 
577 static __inline void
578 mpr_free_chain(struct mpr_softc *sc, struct mpr_chain *chain)
579 {
580 #if 0
581 	bzero(chain->chain, 128);
582 #endif
583 	sc->chain_free++;
584 	TAILQ_INSERT_TAIL(&sc->chain_list, chain, chain_link);
585 }
586 
587 static __inline struct mpr_prp_page *
588 mpr_alloc_prp_page(struct mpr_softc *sc)
589 {
590 	struct mpr_prp_page *prp_page;
591 
592 	if ((prp_page = TAILQ_FIRST(&sc->prp_page_list)) != NULL) {
593 		TAILQ_REMOVE(&sc->prp_page_list, prp_page, prp_page_link);
594 		sc->prp_pages_free--;
595 		if (sc->prp_pages_free < sc->prp_pages_free_lowwater)
596 			sc->prp_pages_free_lowwater = sc->prp_pages_free;
597 	} else
598 		sc->prp_page_alloc_fail++;
599 	return (prp_page);
600 }
601 
602 static __inline void
603 mpr_free_prp_page(struct mpr_softc *sc, struct mpr_prp_page *prp_page)
604 {
605 	sc->prp_pages_free++;
606 	TAILQ_INSERT_TAIL(&sc->prp_page_list, prp_page, prp_page_link);
607 }
608 
609 static __inline void
610 mpr_free_command(struct mpr_softc *sc, struct mpr_command *cm)
611 {
612 	struct mpr_chain *chain, *chain_temp;
613 	struct mpr_prp_page *prp_page, *prp_page_temp;
614 
615 	KASSERT(cm->cm_state == MPR_CM_STATE_BUSY, ("state not busy\n"));
616 
617 	if (cm->cm_reply != NULL)
618 		mpr_free_reply(sc, cm->cm_reply_data);
619 	cm->cm_reply = NULL;
620 	cm->cm_flags = 0;
621 	cm->cm_complete = NULL;
622 	cm->cm_complete_data = NULL;
623 	cm->cm_ccb = NULL;
624 	cm->cm_targ = NULL;
625 	cm->cm_max_segs = 0;
626 	cm->cm_lun = 0;
627 	cm->cm_state = MPR_CM_STATE_FREE;
628 	cm->cm_data = NULL;
629 	cm->cm_length = 0;
630 	cm->cm_out_len = 0;
631 	cm->cm_sglsize = 0;
632 	cm->cm_sge = NULL;
633 
634 	TAILQ_FOREACH_SAFE(chain, &cm->cm_chain_list, chain_link, chain_temp) {
635 		TAILQ_REMOVE(&cm->cm_chain_list, chain, chain_link);
636 		mpr_free_chain(sc, chain);
637 	}
638 	TAILQ_FOREACH_SAFE(prp_page, &cm->cm_prp_page_list, prp_page_link,
639 	    prp_page_temp) {
640 		TAILQ_REMOVE(&cm->cm_prp_page_list, prp_page, prp_page_link);
641 		mpr_free_prp_page(sc, prp_page);
642 	}
643 	TAILQ_INSERT_TAIL(&sc->req_list, cm, cm_link);
644 }
645 
646 static __inline struct mpr_command *
647 mpr_alloc_command(struct mpr_softc *sc)
648 {
649 	struct mpr_command *cm;
650 
651 	cm = TAILQ_FIRST(&sc->req_list);
652 	if (cm == NULL)
653 		return (NULL);
654 
655 	KASSERT(cm->cm_state == MPR_CM_STATE_FREE,
656 	    ("mpr: Allocating busy command\n"));
657 
658 	TAILQ_REMOVE(&sc->req_list, cm, cm_link);
659 	cm->cm_state = MPR_CM_STATE_BUSY;
660 	cm->cm_timeout_handler = NULL;
661 	return (cm);
662 }
663 
664 static __inline void
665 mpr_free_high_priority_command(struct mpr_softc *sc, struct mpr_command *cm)
666 {
667 	struct mpr_chain *chain, *chain_temp;
668 
669 	KASSERT(cm->cm_state == MPR_CM_STATE_BUSY, ("state not busy\n"));
670 
671 	if (cm->cm_reply != NULL)
672 		mpr_free_reply(sc, cm->cm_reply_data);
673 	cm->cm_reply = NULL;
674 	cm->cm_flags = 0;
675 	cm->cm_complete = NULL;
676 	cm->cm_complete_data = NULL;
677 	cm->cm_ccb = NULL;
678 	cm->cm_targ = NULL;
679 	cm->cm_lun = 0;
680 	cm->cm_state = MPR_CM_STATE_FREE;
681 	TAILQ_FOREACH_SAFE(chain, &cm->cm_chain_list, chain_link, chain_temp) {
682 		TAILQ_REMOVE(&cm->cm_chain_list, chain, chain_link);
683 		mpr_free_chain(sc, chain);
684 	}
685 	TAILQ_INSERT_TAIL(&sc->high_priority_req_list, cm, cm_link);
686 }
687 
688 static __inline struct mpr_command *
689 mpr_alloc_high_priority_command(struct mpr_softc *sc)
690 {
691 	struct mpr_command *cm;
692 
693 	cm = TAILQ_FIRST(&sc->high_priority_req_list);
694 	if (cm == NULL)
695 		return (NULL);
696 
697 	KASSERT(cm->cm_state == MPR_CM_STATE_FREE,
698 	    ("mpr: Allocating busy command\n"));
699 
700 	TAILQ_REMOVE(&sc->high_priority_req_list, cm, cm_link);
701 	cm->cm_state = MPR_CM_STATE_BUSY;
702 	cm->cm_timeout_handler = NULL;
703 	cm->cm_desc.HighPriority.RequestFlags =
704 	    MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
705 	return (cm);
706 }
707 
708 static __inline void
709 mpr_lock(struct mpr_softc *sc)
710 {
711 	mtx_lock(&sc->mpr_mtx);
712 }
713 
714 static __inline void
715 mpr_unlock(struct mpr_softc *sc)
716 {
717 	mtx_unlock(&sc->mpr_mtx);
718 }
719 
720 #define MPR_INFO	(1 << 0)	/* Basic info */
721 #define MPR_FAULT	(1 << 1)	/* Hardware faults */
722 #define MPR_EVENT	(1 << 2)	/* Event data from the controller */
723 #define MPR_LOG		(1 << 3)	/* Log data from the controller */
724 #define MPR_RECOVERY	(1 << 4)	/* Command error recovery tracing */
725 #define MPR_ERROR	(1 << 5)	/* Parameter errors, programming bugs */
726 #define MPR_INIT	(1 << 6)	/* Things related to system init */
727 #define MPR_XINFO	(1 << 7)	/* More detailed/noisy info */
728 #define MPR_USER	(1 << 8)	/* Trace user-generated commands */
729 #define MPR_MAPPING	(1 << 9)	/* Trace device mappings */
730 #define MPR_TRACE	(1 << 10)	/* Function-by-function trace */
731 
732 #define	MPR_SSU_DISABLE_SSD_DISABLE_HDD	0
733 #define	MPR_SSU_ENABLE_SSD_DISABLE_HDD	1
734 #define	MPR_SSU_DISABLE_SSD_ENABLE_HDD	2
735 #define	MPR_SSU_ENABLE_SSD_ENABLE_HDD	3
736 
737 #define mpr_printf(sc, args...)				\
738 	device_printf((sc)->mpr_dev, ##args)
739 
740 #define mpr_print_field(sc, msg, args...)		\
741 	printf("\t" msg, ##args)
742 
743 #define mpr_vprintf(sc, args...)			\
744 do {							\
745 	if (bootverbose)				\
746 		mpr_printf(sc, ##args);			\
747 } while (0)
748 
749 #define mpr_dprint(sc, level, msg, args...)		\
750 do {							\
751 	if ((sc)->mpr_debug & (level))			\
752 		device_printf((sc)->mpr_dev, msg, ##args);	\
753 } while (0)
754 
755 #define MPR_PRINTFIELD_START(sc, tag...)	\
756 	mpr_printf((sc), ##tag);		\
757 	mpr_print_field((sc), ":\n")
758 #define MPR_PRINTFIELD_END(sc, tag)		\
759 	mpr_printf((sc), tag "\n")
760 #define MPR_PRINTFIELD(sc, facts, attr, fmt)	\
761 	mpr_print_field((sc), #attr ": " #fmt "\n", (facts)->attr)
762 
763 static __inline void
764 mpr_from_u64(uint64_t data, U64 *mpr)
765 {
766 	(mpr)->High = htole32((uint32_t)((data) >> 32));
767 	(mpr)->Low = htole32((uint32_t)((data) & 0xffffffff));
768 }
769 
770 static __inline uint64_t
771 mpr_to_u64(U64 *data)
772 {
773 	return (((uint64_t)le32toh(data->High) << 32) | le32toh(data->Low));
774 }
775 
776 static __inline void
777 mpr_mask_intr(struct mpr_softc *sc)
778 {
779 	uint32_t mask;
780 
781 	mask = mpr_regread(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET);
782 	mask |= MPI2_HIM_REPLY_INT_MASK;
783 	mpr_regwrite(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET, mask);
784 }
785 
786 static __inline void
787 mpr_unmask_intr(struct mpr_softc *sc)
788 {
789 	uint32_t mask;
790 
791 	mask = mpr_regread(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET);
792 	mask &= ~MPI2_HIM_REPLY_INT_MASK;
793 	mpr_regwrite(sc, MPI2_HOST_INTERRUPT_MASK_OFFSET, mask);
794 }
795 
796 int mpr_pci_setup_interrupts(struct mpr_softc *sc);
797 void mpr_pci_free_interrupts(struct mpr_softc *sc);
798 int mpr_pci_restore(struct mpr_softc *sc);
799 
800 void mpr_get_tunables(struct mpr_softc *sc);
801 int mpr_attach(struct mpr_softc *sc);
802 int mpr_free(struct mpr_softc *sc);
803 void mpr_intr(void *);
804 void mpr_intr_msi(void *);
805 void mpr_intr_locked(void *);
806 int mpr_register_events(struct mpr_softc *, uint8_t *, mpr_evt_callback_t *,
807     void *, struct mpr_event_handle **);
808 int mpr_restart(struct mpr_softc *);
809 int mpr_update_events(struct mpr_softc *, struct mpr_event_handle *, uint8_t *);
810 int mpr_deregister_events(struct mpr_softc *, struct mpr_event_handle *);
811 void mpr_build_nvme_prp(struct mpr_softc *sc, struct mpr_command *cm,
812     Mpi26NVMeEncapsulatedRequest_t *nvme_encap_request, void *data,
813     uint32_t data_in_sz, uint32_t data_out_sz);
814 int mpr_push_sge(struct mpr_command *, MPI2_SGE_SIMPLE64 *, size_t, int);
815 int mpr_push_ieee_sge(struct mpr_command *, void *, int);
816 int mpr_add_dmaseg(struct mpr_command *, vm_paddr_t, size_t, u_int, int);
817 int mpr_attach_sas(struct mpr_softc *sc);
818 int mpr_detach_sas(struct mpr_softc *sc);
819 int mpr_read_config_page(struct mpr_softc *, struct mpr_config_params *);
820 int mpr_write_config_page(struct mpr_softc *, struct mpr_config_params *);
821 void mpr_memaddr_cb(void *, bus_dma_segment_t *, int , int );
822 void mpr_memaddr_wait_cb(void *, bus_dma_segment_t *, int , int );
823 void mpr_init_sge(struct mpr_command *cm, void *req, void *sge);
824 int mpr_attach_user(struct mpr_softc *);
825 void mpr_detach_user(struct mpr_softc *);
826 void mprsas_record_event(struct mpr_softc *sc,
827     MPI2_EVENT_NOTIFICATION_REPLY *event_reply);
828 
829 int mpr_map_command(struct mpr_softc *sc, struct mpr_command *cm);
830 int mpr_wait_command(struct mpr_softc *sc, struct mpr_command **cm, int timeout,
831     int sleep_flag);
832 int mpr_request_polled(struct mpr_softc *sc, struct mpr_command **cm);
833 
834 int mpr_config_get_bios_pg3(struct mpr_softc *sc, Mpi2ConfigReply_t
835     *mpi_reply, Mpi2BiosPage3_t *config_page);
836 int mpr_config_get_raid_volume_pg0(struct mpr_softc *sc, Mpi2ConfigReply_t
837     *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 page_address);
838 int mpr_config_get_ioc_pg8(struct mpr_softc *sc, Mpi2ConfigReply_t *,
839     Mpi2IOCPage8_t *);
840 int mpr_config_get_iounit_pg8(struct mpr_softc *sc,
841     Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage8_t *config_page);
842 int mpr_config_get_sas_device_pg0(struct mpr_softc *, Mpi2ConfigReply_t *,
843     Mpi2SasDevicePage0_t *, u32 , u16 );
844 int mpr_config_get_pcie_device_pg0(struct mpr_softc *sc, Mpi2ConfigReply_t
845     *mpi_reply, Mpi26PCIeDevicePage0_t *config_page, u32 form, u16 handle);
846 int mpr_config_get_pcie_device_pg2(struct mpr_softc *sc, Mpi2ConfigReply_t
847     *mpi_reply, Mpi26PCIeDevicePage2_t *config_page, u32 form, u16 handle);
848 int mpr_config_get_dpm_pg0(struct mpr_softc *, Mpi2ConfigReply_t *,
849     Mpi2DriverMappingPage0_t *, u16 );
850 int mpr_config_get_raid_volume_pg1(struct mpr_softc *sc,
851     Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
852     u16 handle);
853 int mpr_config_get_volume_wwid(struct mpr_softc *sc, u16 volume_handle,
854     u64 *wwid);
855 int mpr_config_get_raid_pd_pg0(struct mpr_softc *sc,
856     Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page,
857     u32 page_address);
858 int mpr_config_get_man_pg11(struct mpr_softc *sc, Mpi2ConfigReply_t *mpi_reply,
859     Mpi2ManufacturingPage11_t *config_page);
860 void mprsas_ir_shutdown(struct mpr_softc *sc, int howto);
861 
862 int mpr_reinit(struct mpr_softc *sc);
863 void mprsas_handle_reinit(struct mpr_softc *sc);
864 
865 void mpr_base_static_config_pages(struct mpr_softc *sc);
866 
867 int mpr_mapping_initialize(struct mpr_softc *);
868 void mpr_mapping_topology_change_event(struct mpr_softc *,
869     Mpi2EventDataSasTopologyChangeList_t *);
870 void mpr_mapping_pcie_topology_change_event(struct mpr_softc *sc,
871     Mpi26EventDataPCIeTopologyChangeList_t *event_data);
872 void mpr_mapping_free_memory(struct mpr_softc *sc);
873 int mpr_config_set_dpm_pg0(struct mpr_softc *, Mpi2ConfigReply_t *,
874     Mpi2DriverMappingPage0_t *, u16 );
875 void mpr_mapping_exit(struct mpr_softc *);
876 void mpr_mapping_check_devices(void *);
877 int mpr_mapping_allocate_memory(struct mpr_softc *sc);
878 unsigned int mpr_mapping_get_tid(struct mpr_softc *, uint64_t , u16);
879 unsigned int mpr_mapping_get_tid_from_handle(struct mpr_softc *sc,
880     u16 handle);
881 unsigned int mpr_mapping_get_raid_tid(struct mpr_softc *sc, u64 wwid,
882     u16 volHandle);
883 unsigned int mpr_mapping_get_raid_tid_from_handle(struct mpr_softc *sc,
884     u16 volHandle);
885 void mpr_mapping_enclosure_dev_status_change_event(struct mpr_softc *,
886     Mpi2EventDataSasEnclDevStatusChange_t *event_data);
887 void mpr_mapping_ir_config_change_event(struct mpr_softc *sc,
888     Mpi2EventDataIrConfigChangeList_t *event_data);
889 
890 void mprsas_evt_handler(struct mpr_softc *sc, uintptr_t data,
891     MPI2_EVENT_NOTIFICATION_REPLY *event);
892 void mprsas_prepare_remove(struct mprsas_softc *sassc, uint16_t handle);
893 void mprsas_prepare_volume_remove(struct mprsas_softc *sassc, uint16_t handle);
894 int mprsas_startup(struct mpr_softc *sc);
895 struct mprsas_target * mprsas_find_target_by_handle(struct mprsas_softc *, int,
896     uint16_t);
897 void mprsas_realloc_targets(struct mpr_softc *sc, int maxtargets);
898 struct mpr_command * mprsas_alloc_tm(struct mpr_softc *sc);
899 void mprsas_free_tm(struct mpr_softc *sc, struct mpr_command *tm);
900 void mprsas_release_simq_reinit(struct mprsas_softc *sassc);
901 int mprsas_send_reset(struct mpr_softc *sc, struct mpr_command *tm,
902     uint8_t type);
903 
904 SYSCTL_DECL(_hw_mpr);
905 
906 /* Compatibility shims for different OS versions */
907 #if __FreeBSD_version >= 800001
908 #define mpr_kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
909     kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
910 #define mpr_kproc_exit(arg)	kproc_exit(arg)
911 #else
912 #define mpr_kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
913     kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
914 #define mpr_kproc_exit(arg)	kthread_exit(arg)
915 #endif
916 
917 #if defined(CAM_PRIORITY_XPT)
918 #define MPR_PRIORITY_XPT	CAM_PRIORITY_XPT
919 #else
920 #define MPR_PRIORITY_XPT	5
921 #endif
922 
923 #if __FreeBSD_version < 800107
924 // Prior to FreeBSD-8.0 scp3_flags was not defined.
925 #define spc3_flags reserved
926 
927 #define SPC3_SID_PROTECT    0x01
928 #define SPC3_SID_3PC        0x08
929 #define SPC3_SID_TPGS_MASK  0x30
930 #define SPC3_SID_TPGS_IMPLICIT  0x10
931 #define SPC3_SID_TPGS_EXPLICIT  0x20
932 #define SPC3_SID_ACC        0x40
933 #define SPC3_SID_SCCS       0x80
934 
935 #define CAM_PRIORITY_NORMAL CAM_PRIORITY_NONE
936 #endif
937 
938 /* Definitions for SCSI unmap translation to NVMe DSM command */
939 
940 /* UNMAP block descriptor structure */
941 struct unmap_blk_desc {
942 	uint64_t slba;
943 	uint32_t nlb;
944 	uint32_t resv;
945 };
946 
947 /* UNMAP command's data */
948 struct unmap_parm_list {
949 	uint16_t unmap_data_len;
950 	uint16_t unmap_blk_desc_data_len;
951 	uint32_t resv;
952 	struct unmap_blk_desc desc[0];
953 };
954 
955 /* SCSI ADDITIONAL SENSE Codes */
956 #define FIXED_SENSE_DATA                                0x70
957 #define SCSI_ASC_NO_SENSE                               0x00
958 #define SCSI_ASC_PERIPHERAL_DEV_WRITE_FAULT             0x03
959 #define SCSI_ASC_LUN_NOT_READY                          0x04
960 #define SCSI_ASC_WARNING                                0x0B
961 #define SCSI_ASC_LOG_BLOCK_GUARD_CHECK_FAILED           0x10
962 #define SCSI_ASC_LOG_BLOCK_APPTAG_CHECK_FAILED          0x10
963 #define SCSI_ASC_LOG_BLOCK_REFTAG_CHECK_FAILED          0x10
964 #define SCSI_ASC_UNRECOVERED_READ_ERROR                 0x11
965 #define SCSI_ASC_MISCOMPARE_DURING_VERIFY               0x1D
966 #define SCSI_ASC_ACCESS_DENIED_INVALID_LUN_ID           0x20
967 #define SCSI_ASC_ILLEGAL_COMMAND                        0x20
968 #define SCSI_ASC_ILLEGAL_BLOCK                          0x21
969 #define SCSI_ASC_INVALID_CDB                            0x24
970 #define SCSI_ASC_INVALID_LUN                            0x25
971 #define SCSI_ASC_INVALID_PARAMETER                      0x26
972 #define SCSI_ASC_FORMAT_COMMAND_FAILED                  0x31
973 #define SCSI_ASC_INTERNAL_TARGET_FAILURE                0x44
974 
975 /* SCSI ADDITIONAL SENSE Code Qualifiers */
976 #define SCSI_ASCQ_CAUSE_NOT_REPORTABLE                  0x00
977 #define SCSI_ASCQ_FORMAT_COMMAND_FAILED                 0x01
978 #define SCSI_ASCQ_LOG_BLOCK_GUARD_CHECK_FAILED          0x01
979 #define SCSI_ASCQ_LOG_BLOCK_APPTAG_CHECK_FAILED         0x02
980 #define SCSI_ASCQ_LOG_BLOCK_REFTAG_CHECK_FAILED         0x03
981 #define SCSI_ASCQ_FORMAT_IN_PROGRESS                    0x04
982 #define SCSI_ASCQ_POWER_LOSS_EXPECTED                   0x08
983 #define SCSI_ASCQ_INVALID_LUN_ID                        0x09
984 
985 #endif
986 
987