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
97typedef uint8_t u8;
98typedef uint16_t u16;
99typedef uint32_t u32;
100typedef uint64_t u64;
101
102typedef 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 */
147struct 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 */
175struct 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 */
194struct map_removal_table{
195	u16	dpm_entry_num;
196	u16	dev_handle;
197};
198
199typedef 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
212struct mpr_softc;
213struct mpr_command;
214struct mprsas_softc;
215union ccb;
216struct mprsas_target;
217struct mpr_column_map;
218
219MALLOC_DECLARE(M_MPR);
220
221typedef void mpr_evt_callback_t(struct mpr_softc *, uintptr_t,
222    MPI2_EVENT_NOTIFICATION_REPLY *reply);
223typedef void mpr_command_callback_t(struct mpr_softc *, struct mpr_command *cm);
224
225struct mpr_chain {
226	TAILQ_ENTRY(mpr_chain)		chain_link;
227	void				*chain;
228	uint64_t			chain_busaddr;
229};
230
231struct 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
242struct 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
293struct mpr_column_map {
294	uint16_t			dev_handle;
295	uint8_t				phys_disk_num;
296};
297
298struct 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
305struct 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
315struct 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
335struct 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
516struct 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
528struct scsi_read_capacity_eedp
529{
530	uint8_t addr[8];
531	uint8_t length[4];
532	uint8_t protect;
533};
534
535static __inline uint32_t
536mpr_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
548static __inline void
549mpr_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 * */
557static __inline void
558mpr_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
566static __inline struct mpr_chain *
567mpr_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
581static __inline void
582mpr_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
591static __inline struct mpr_prp_page *
592mpr_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
606static __inline void
607mpr_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
613static __inline void
614mpr_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
651static __inline struct mpr_command *
652mpr_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
669void mprsas_prepare_remove_retry(struct mprsas_softc *sassc);
670
671static __inline void
672mpr_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
699static __inline struct mpr_command *
700mpr_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
719static __inline void
720mpr_lock(struct mpr_softc *sc)
721{
722	mtx_lock(&sc->mpr_mtx);
723}
724
725static __inline void
726mpr_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...)			\
755do {							\
756	if (bootverbose)				\
757		mpr_printf(sc, ##args);			\
758} while (0)
759
760#define mpr_dprint(sc, level, msg, args...)		\
761do {							\
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
778static __inline void
779mpr_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
785static __inline uint64_t
786mpr_to_u64(U64 *data)
787{
788	return (((uint64_t)le32toh(data->High) << 32) | le32toh(data->Low));
789}
790
791static __inline void
792mpr_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
801static __inline void
802mpr_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
811int mpr_pci_setup_interrupts(struct mpr_softc *sc);
812void mpr_pci_free_interrupts(struct mpr_softc *sc);
813int mpr_pci_restore(struct mpr_softc *sc);
814
815void mpr_get_tunables(struct mpr_softc *sc);
816int mpr_attach(struct mpr_softc *sc);
817int mpr_free(struct mpr_softc *sc);
818void mpr_intr(void *);
819void mpr_intr_msi(void *);
820void mpr_intr_locked(void *);
821int mpr_register_events(struct mpr_softc *, uint8_t *, mpr_evt_callback_t *,
822    void *, struct mpr_event_handle **);
823int mpr_restart(struct mpr_softc *);
824int mpr_update_events(struct mpr_softc *, struct mpr_event_handle *, uint8_t *);
825int mpr_deregister_events(struct mpr_softc *, struct mpr_event_handle *);
826void 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);
829int mpr_push_sge(struct mpr_command *, MPI2_SGE_SIMPLE64 *, size_t, int);
830int mpr_push_ieee_sge(struct mpr_command *, void *, int);
831int mpr_add_dmaseg(struct mpr_command *, vm_paddr_t, size_t, u_int, int);
832int mpr_attach_sas(struct mpr_softc *sc);
833int mpr_detach_sas(struct mpr_softc *sc);
834int mpr_read_config_page(struct mpr_softc *, struct mpr_config_params *);
835int mpr_write_config_page(struct mpr_softc *, struct mpr_config_params *);
836void mpr_memaddr_cb(void *, bus_dma_segment_t *, int , int );
837void mpr_memaddr_wait_cb(void *, bus_dma_segment_t *, int , int );
838void mpr_init_sge(struct mpr_command *cm, void *req, void *sge);
839int mpr_attach_user(struct mpr_softc *);
840void mpr_detach_user(struct mpr_softc *);
841void mprsas_record_event(struct mpr_softc *sc,
842    MPI2_EVENT_NOTIFICATION_REPLY *event_reply);
843
844int mpr_map_command(struct mpr_softc *sc, struct mpr_command *cm);
845int mpr_wait_command(struct mpr_softc *sc, struct mpr_command **cm, int timeout,
846    int sleep_flag);
847int mpr_request_polled(struct mpr_softc *sc, struct mpr_command **cm);
848
849int mpr_config_get_bios_pg3(struct mpr_softc *sc, Mpi2ConfigReply_t
850    *mpi_reply, Mpi2BiosPage3_t *config_page);
851int mpr_config_get_raid_volume_pg0(struct mpr_softc *sc, Mpi2ConfigReply_t
852    *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 page_address);
853int mpr_config_get_ioc_pg8(struct mpr_softc *sc, Mpi2ConfigReply_t *,
854    Mpi2IOCPage8_t *);
855int mpr_config_get_iounit_pg8(struct mpr_softc *sc,
856    Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage8_t *config_page);
857int mpr_config_get_sas_device_pg0(struct mpr_softc *, Mpi2ConfigReply_t *,
858    Mpi2SasDevicePage0_t *, u32 , u16 );
859int mpr_config_get_pcie_device_pg0(struct mpr_softc *sc, Mpi2ConfigReply_t
860    *mpi_reply, Mpi26PCIeDevicePage0_t *config_page, u32 form, u16 handle);
861int mpr_config_get_pcie_device_pg2(struct mpr_softc *sc, Mpi2ConfigReply_t
862    *mpi_reply, Mpi26PCIeDevicePage2_t *config_page, u32 form, u16 handle);
863int mpr_config_get_dpm_pg0(struct mpr_softc *, Mpi2ConfigReply_t *,
864    Mpi2DriverMappingPage0_t *, u16 );
865int mpr_config_get_raid_volume_pg1(struct mpr_softc *sc,
866    Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
867    u16 handle);
868int mpr_config_get_volume_wwid(struct mpr_softc *sc, u16 volume_handle,
869    u64 *wwid);
870int mpr_config_get_raid_pd_pg0(struct mpr_softc *sc,
871    Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page,
872    u32 page_address);
873int mpr_config_get_man_pg11(struct mpr_softc *sc, Mpi2ConfigReply_t *mpi_reply,
874    Mpi2ManufacturingPage11_t *config_page);
875void mprsas_ir_shutdown(struct mpr_softc *sc, int howto);
876
877int mpr_reinit(struct mpr_softc *sc);
878void mprsas_handle_reinit(struct mpr_softc *sc);
879
880void mpr_base_static_config_pages(struct mpr_softc *sc);
881
882int mpr_mapping_initialize(struct mpr_softc *);
883void mpr_mapping_topology_change_event(struct mpr_softc *,
884    Mpi2EventDataSasTopologyChangeList_t *);
885void mpr_mapping_pcie_topology_change_event(struct mpr_softc *sc,
886    Mpi26EventDataPCIeTopologyChangeList_t *event_data);
887void mpr_mapping_free_memory(struct mpr_softc *sc);
888int mpr_config_set_dpm_pg0(struct mpr_softc *, Mpi2ConfigReply_t *,
889    Mpi2DriverMappingPage0_t *, u16 );
890void mpr_mapping_exit(struct mpr_softc *);
891void mpr_mapping_check_devices(void *);
892int mpr_mapping_allocate_memory(struct mpr_softc *sc);
893unsigned int mpr_mapping_get_tid(struct mpr_softc *, uint64_t , u16);
894unsigned int mpr_mapping_get_tid_from_handle(struct mpr_softc *sc,
895    u16 handle);
896unsigned int mpr_mapping_get_raid_tid(struct mpr_softc *sc, u64 wwid,
897    u16 volHandle);
898unsigned int mpr_mapping_get_raid_tid_from_handle(struct mpr_softc *sc,
899    u16 volHandle);
900void mpr_mapping_enclosure_dev_status_change_event(struct mpr_softc *,
901    Mpi2EventDataSasEnclDevStatusChange_t *event_data);
902void mpr_mapping_ir_config_change_event(struct mpr_softc *sc,
903    Mpi2EventDataIrConfigChangeList_t *event_data);
904
905void mprsas_evt_handler(struct mpr_softc *sc, uintptr_t data,
906    MPI2_EVENT_NOTIFICATION_REPLY *event);
907void mprsas_prepare_remove(struct mprsas_softc *sassc, uint16_t handle);
908void mprsas_prepare_volume_remove(struct mprsas_softc *sassc, uint16_t handle);
909int mprsas_startup(struct mpr_softc *sc);
910struct mprsas_target * mprsas_find_target_by_handle(struct mprsas_softc *, int,
911    uint16_t);
912void mprsas_realloc_targets(struct mpr_softc *sc, int maxtargets);
913struct mpr_command * mprsas_alloc_tm(struct mpr_softc *sc);
914void mprsas_free_tm(struct mpr_softc *sc, struct mpr_command *tm);
915void mprsas_release_simq_reinit(struct mprsas_softc *sassc);
916int mprsas_send_reset(struct mpr_softc *sc, struct mpr_command *tm,
917    uint8_t type);
918
919SYSCTL_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 */
931struct unmap_blk_desc {
932	uint64_t slba;
933	uint32_t nlb;
934	uint32_t resv;
935};
936
937/* UNMAP command's data */
938struct 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