xref: /freebsd/sys/dev/mpi3mr/mpi3mr.h (revision 9f23cbd6cae82fd77edfad7173432fa8dccd0a95)
1 /*
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2020-2023, Broadcom Inc. All rights reserved.
5  * Support: <fbsd-storage-driver.pdl@broadcom.com>
6  *
7  * Authors: Sumit Saxena <sumit.saxena@broadcom.com>
8  *	    Chandrakanth Patil <chandrakanth.patil@broadcom.com>
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions are
12  * met:
13  *
14  * 1. Redistributions of source code must retain the above copyright notice,
15  *    this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright notice,
17  *    this list of conditions and the following disclaimer in the documentation and/or other
18  *    materials provided with the distribution.
19  * 3. Neither the name of the Broadcom Inc. nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software without
21  *    specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
24  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
27  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33  * POSSIBILITY OF SUCH DAMAGE.
34  *
35  * The views and conclusions contained in the software and documentation are
36  * those of the authors and should not be interpreted as representing
37  * official policies,either expressed or implied, of the FreeBSD Project.
38  *
39  * Mail to: Broadcom Inc 1320 Ridder Park Dr, San Jose, CA 95131
40  *
41  * Broadcom Inc. (Broadcom) MPI3MR Adapter FreeBSD
42  */
43 
44 #ifndef _MPI3MRVAR_H
45 #define _MPI3MRVAR_H
46 
47 #include <sys/cdefs.h>
48 __FBSDID("$FreeBSD$");
49 #include <sys/types.h>
50 #include <sys/param.h>
51 #include <sys/systm.h>
52 #include <sys/kernel.h>
53 #include <sys/module.h>
54 #include <sys/bus.h>
55 #include <sys/conf.h>
56 #include <sys/malloc.h>
57 #include <sys/sysctl.h>
58 #include <sys/uio.h>
59 #include <sys/selinfo.h>
60 #include <sys/poll.h>
61 
62 #include <sys/lock.h>
63 #include <sys/mutex.h>
64 #include <sys/endian.h>
65 #include <sys/sysent.h>
66 #include <sys/taskqueue.h>
67 #include <sys/smp.h>
68 
69 #include <machine/bus.h>
70 #include <machine/resource.h>
71 #include <sys/rman.h>
72 
73 #include <dev/pci/pcireg.h>
74 #include <dev/pci/pcivar.h>
75 #include <dev/pci/pci_private.h>
76 
77 #include <cam/cam.h>
78 #include <cam/cam_ccb.h>
79 #include <cam/cam_debug.h>
80 #include <cam/cam_sim.h>
81 #include <cam/cam_xpt_sim.h>
82 #include <cam/cam_xpt_periph.h>
83 #include <cam/cam_periph.h>
84 #include <cam/scsi/scsi_all.h>
85 #include <cam/scsi/scsi_message.h>
86 
87 #include <cam/scsi/smp_all.h>
88 #include <sys/queue.h>
89 #include <sys/kthread.h>
90 #include "mpi/mpi30_api.h"
91 
92 #define MPI3MR_DRIVER_VERSION	"8.6.0.2.0"
93 #define MPI3MR_DRIVER_RELDATE	"17th May 2023"
94 
95 #define MPI3MR_DRIVER_NAME	"mpi3mr"
96 
97 #define MPI3MR_NAME_LENGTH	32
98 #define IOCNAME			"%s: "
99 
100 #define SAS4116_CHIP_REV_A0	0
101 #define SAS4116_CHIP_REV_B0	1
102 
103 #define MPI3MR_SG_DEPTH		(MPI3MR_4K_PGSZ/sizeof(Mpi3SGESimple_t))
104 #define MPI3MR_MAX_SECTORS	2048
105 #define MPI3MR_MAX_CMDS_LUN	7
106 #define MPI3MR_MAX_CDB_LENGTH	16
107 #define MPI3MR_MAX_LUN 		16895
108 
109 #define MPI3MR_SATA_QDEPTH	32
110 #define MPI3MR_SAS_QDEPTH	64
111 #define MPI3MR_RAID_QDEPTH	128
112 #define MPI3MR_NVME_QDEPTH	128
113 
114 #define MPI3MR_4K_PGSZ 		4096
115 #define MPI3MR_AREQQ_SIZE	(2 * MPI3MR_4K_PGSZ)
116 #define MPI3MR_AREPQ_SIZE	(4 * MPI3MR_4K_PGSZ)
117 #define MPI3MR_AREQ_FRAME_SZ	128
118 #define MPI3MR_AREP_FRAME_SZ	16
119 
120 #define MPI3MR_OPREQQ_SIZE	(8 * MPI3MR_4K_PGSZ)
121 #define MPI3MR_OPREPQ_SIZE	(4 * MPI3MR_4K_PGSZ)
122 
123 /* Operational queue management definitions */
124 #define MPI3MR_OP_REQ_Q_QD		512
125 #define MPI3MR_OP_REP_Q_QD		1024
126 #define MPI3MR_OP_REP_Q_QD_A0		4096
127 
128 #define MPI3MR_CHAINSGE_SIZE	MPI3MR_4K_PGSZ
129 
130 #define MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST	\
131 	(MPI3_SGE_FLAGS_ELEMENT_TYPE_SIMPLE | MPI3_SGE_FLAGS_DLAS_SYSTEM | \
132 	 MPI3_SGE_FLAGS_END_OF_LIST)
133 
134 #define MPI3MR_HOSTTAG_INVALID          0xFFFF
135 #define MPI3MR_HOSTTAG_INITCMDS         1
136 #define MPI3MR_HOSTTAG_IOCTLCMDS        2
137 #define MPI3MR_HOSTTAG_PELABORT         3
138 #define MPI3MR_HOSTTAG_PELWAIT          4
139 #define MPI3MR_HOSTTAG_TMS		5
140 
141 #define MAX_MGMT_ADAPTERS 8
142 #define MPI3MR_WAIT_BEFORE_CTRL_RESET 5
143 
144 
145 struct mpi3mr_mgmt_info {
146 	uint16_t count;
147 	struct mpi3mr_softc *sc_ptr[MAX_MGMT_ADAPTERS];
148 	int max_index;
149 };
150 
151 extern char fmt_os_ver[16];
152 
153 #define MPI3MR_OS_VERSION(raw_os_ver, fmt_os_ver)	sprintf(raw_os_ver, "%d", __FreeBSD_version); \
154 							sprintf(fmt_os_ver, "%c%c.%c%c.%c%c%c",\
155 								raw_os_ver[0], raw_os_ver[1], raw_os_ver[2],\
156 								raw_os_ver[3], raw_os_ver[4], raw_os_ver[5],\
157 								raw_os_ver[6]);
158 #define MPI3MR_NUM_DEVRMCMD             1
159 #define MPI3MR_HOSTTAG_DEVRMCMD_MIN     (MPI3MR_HOSTTAG_TMS + 1)
160 #define MPI3MR_HOSTTAG_DEVRMCMD_MAX     (MPI3MR_HOSTTAG_DEVRMCMD_MIN + \
161                                                 MPI3MR_NUM_DEVRMCMD - 1)
162 #define MPI3MR_INTERNALCMDS_RESVD       MPI3MR_HOSTTAG_DEVRMCMD_MAX
163 
164 #define MPI3MR_NUM_EVTACKCMD		4
165 #define MPI3MR_HOSTTAG_EVTACKCMD_MIN	(MPI3MR_HOSTTAG_DEVRMCMD_MAX + 1)
166 #define MPI3MR_HOSTTAG_EVTACKCMD_MAX	(MPI3MR_HOSTTAG_EVTACKCMD_MIN + \
167 						MPI3MR_NUM_EVTACKCMD - 1)
168 
169 /* command/controller interaction timeout definitions in seconds */
170 #define MPI3MR_INTADMCMD_TIMEOUT		60
171 #define MPI3MR_PORTENABLE_TIMEOUT		300
172 #define MPI3MR_ABORTTM_TIMEOUT			60
173 #define MPI3MR_RESETTM_TIMEOUT			60
174 #define MPI3MR_TSUPDATE_INTERVAL		900
175 #define MPI3MR_DEFAULT_SHUTDOWN_TIME		120
176 #define	MPI3MR_RAID_ERRREC_RESET_TIMEOUT	180
177 #define	MPI3MR_RESET_HOST_IOWAIT_TIMEOUT	5
178 #define	MPI3MR_PREPARE_FOR_RESET_TIMEOUT	180
179 #define MPI3MR_RESET_ACK_TIMEOUT		30
180 #define MPI3MR_MUR_TIMEOUT			120
181 
182 #define MPI3MR_CMD_NOTUSED	0x8000
183 #define MPI3MR_CMD_COMPLETE	0x0001
184 #define MPI3MR_CMD_PENDING	0x0002
185 #define MPI3MR_CMD_REPLYVALID	0x0004
186 #define MPI3MR_CMD_RESET	0x0008
187 
188 #define MPI3MR_NUM_EVTREPLIES	64
189 #define MPI3MR_SENSEBUF_SZ	256
190 #define MPI3MR_SENSEBUF_FACTOR	3
191 #define MPI3MR_CHAINBUF_FACTOR	3
192 
193 #define MPT3SAS_HOSTPGSZ_4KEXP 12
194 
195 #define MPI3MR_INVALID_DEV_HANDLE 0xFFFF
196 
197 /* Controller Reset related definitions */
198 #define MPI3MR_HOSTDIAG_UNLOCK_RETRY_COUNT	5
199 #define MPI3MR_MAX_SHUTDOWN_RETRY_COUNT		2
200 
201 /* ResponseCode values */
202 #define MPI3MR_RI_MASK_RESPCODE		(0x000000FF)
203 #define MPI3MR_RSP_TM_COMPLETE		0x00
204 #define MPI3MR_RSP_INVALID_FRAME	0x02
205 #define MPI3MR_RSP_TM_NOT_SUPPORTED	0x04
206 #define MPI3MR_RSP_TM_FAILED		0x05
207 #define MPI3MR_RSP_TM_SUCCEEDED		0x08
208 #define MPI3MR_RSP_TM_INVALID_LUN	0x09
209 #define MPI3MR_RSP_TM_OVERLAPPED_TAG	0x0A
210 #define MPI3MR_RSP_IO_QUEUED_ON_IOC \
211 			MPI3_SCSITASKMGMT_RSPCODE_IO_QUEUED_ON_IOC
212 
213 /* Definitions for the controller security status*/
214 #define MPI3MR_CTLR_SECURITY_STATUS_MASK        0x0C
215 #define MPI3MR_CTLR_SECURE_DBG_STATUS_MASK      0x02
216 
217 #define MPI3MR_INVALID_DEVICE                   0x00
218 #define MPI3MR_CONFIG_SECURE_DEVICE             0x04
219 #define MPI3MR_HARD_SECURE_DEVICE               0x08
220 #define MPI3MR_TAMPERED_DEVICE			0x0C
221 
222 #define MPI3MR_DEFAULT_MDTS	(128 * 1024)
223 #define MPI3MR_DEFAULT_PGSZEXP	(12)
224 #define MPI3MR_MAX_IOCTL_TRANSFER_SIZE (1024 * 1024)
225 
226 #define MPI3MR_DEVRMHS_RETRYCOUNT 3
227 #define MPI3MR_PELCMDS_RETRYCOUNT 3
228 
229 #define MPI3MR_PERIODIC_DELAY	1	/* 1 second heartbeat/watchdog check */
230 
231 struct completion {
232 	unsigned int done;
233 	struct mtx lock;
234 };
235 
236 typedef union {
237 	volatile unsigned int val;
238 	unsigned int val_rdonly;
239 } mpi3mr_atomic_t;
240 
241 #define	mpi3mr_atomic_read(v)	atomic_load_acq_int(&(v)->val)
242 #define	mpi3mr_atomic_set(v,i)	atomic_store_rel_int(&(v)->val, i)
243 #define	mpi3mr_atomic_dec(v)	atomic_subtract_int(&(v)->val, 1)
244 #define	mpi3mr_atomic_inc(v)	atomic_add_int(&(v)->val, 1)
245 #define	mpi3mr_atomic_add(v, u)	atomic_add_int(&(v)->val, u)
246 #define	mpi3mr_atomic_sub(v, u)	atomic_subtract_int(&(v)->val, u)
247 
248 /* IOCTL data transfer sge*/
249 #define MPI3MR_NUM_IOCTL_SGE		256
250 #define MPI3MR_IOCTL_SGE_SIZE		(8 * 1024)
251 
252 struct dma_memory_desc {
253 	U32 size;
254 	void *addr;
255 	bus_dma_tag_t tag;
256 	bus_dmamap_t dmamap;
257 	bus_addr_t dma_addr;
258 };
259 
260 enum mpi3mr_iocstate {
261         MRIOC_STATE_READY = 1,
262         MRIOC_STATE_RESET,
263         MRIOC_STATE_FAULT,
264         MRIOC_STATE_BECOMING_READY,
265         MRIOC_STATE_RESET_REQUESTED,
266         MRIOC_STATE_UNRECOVERABLE,
267         MRIOC_STATE_COUNT,
268 };
269 
270 /* Init type definitions */
271 enum mpi3mr_init_type {
272 	MPI3MR_INIT_TYPE_INIT = 0,
273 	MPI3MR_INIT_TYPE_RESET,
274 	MPI3MR_INIT_TYPE_RESUME,
275 };
276 
277 /* Reset reason code definitions*/
278 enum mpi3mr_reset_reason {
279 	MPI3MR_RESET_FROM_BRINGUP = 1,
280 	MPI3MR_RESET_FROM_FAULT_WATCH = 2,
281 	MPI3MR_RESET_FROM_IOCTL = 3,
282 	MPI3MR_RESET_FROM_EH_HOS = 4,
283 	MPI3MR_RESET_FROM_TM_TIMEOUT = 5,
284 	MPI3MR_RESET_FROM_IOCTL_TIMEOUT = 6,
285 	MPI3MR_RESET_FROM_MUR_FAILURE = 7,
286 	MPI3MR_RESET_FROM_CTLR_CLEANUP = 8,
287 	MPI3MR_RESET_FROM_CIACTIV_FAULT = 9,
288 	MPI3MR_RESET_FROM_PE_TIMEOUT = 10,
289 	MPI3MR_RESET_FROM_TSU_TIMEOUT = 11,
290 	MPI3MR_RESET_FROM_DELREQQ_TIMEOUT = 12,
291 	MPI3MR_RESET_FROM_DELREPQ_TIMEOUT = 13,
292 	MPI3MR_RESET_FROM_CREATEREPQ_TIMEOUT = 14,
293 	MPI3MR_RESET_FROM_CREATEREQQ_TIMEOUT = 15,
294 	MPI3MR_RESET_FROM_IOCFACTS_TIMEOUT = 16,
295 	MPI3MR_RESET_FROM_IOCINIT_TIMEOUT = 17,
296 	MPI3MR_RESET_FROM_EVTNOTIFY_TIMEOUT = 18,
297 	MPI3MR_RESET_FROM_EVTACK_TIMEOUT = 19,
298 	MPI3MR_RESET_FROM_CIACTVRST_TIMER = 20,
299 	MPI3MR_RESET_FROM_GETPKGVER_TIMEOUT = 21,
300 	MPI3MR_RESET_FROM_PELABORT_TIMEOUT = 22,
301 	MPI3MR_RESET_FROM_SYSFS = 23,
302 	MPI3MR_RESET_FROM_SYSFS_TIMEOUT = 24,
303 	MPI3MR_RESET_FROM_DIAG_BUFFER_POST_TIMEOUT = 25,
304 	MPI3MR_RESET_FROM_SCSIIO_TIMEOUT = 26,
305 	MPI3MR_RESET_FROM_FIRMWARE = 27,
306 	MPI3MR_DEFAULT_RESET_REASON = 28,
307 	MPI3MR_RESET_REASON_COUNT,
308 };
309 
310 struct mpi3mr_compimg_ver
311 {
312         U16 build_num;
313         U16 cust_id;
314         U8 ph_minor;
315         U8 ph_major;
316         U8 gen_minor;
317         U8 gen_major;
318 };
319 
320 struct mpi3mr_ioc_facts
321 {
322         U32 ioc_capabilities;
323         struct mpi3mr_compimg_ver fw_ver;
324         U32 mpi_version;
325         U16 max_reqs;
326         U16 product_id;
327         U16 op_req_sz;
328 	U16 reply_sz;
329         U16 exceptions;
330         U16 max_perids;
331         U16 max_pds;
332         U16 max_sasexpanders;
333         U16 max_sasinitiators;
334         U16 max_enclosures;
335         U16 max_pcieswitches;
336         U16 max_nvme;
337         U16 max_vds;
338         U16 max_hpds;
339         U16 max_advhpds;
340         U16 max_raidpds;
341         U16 min_devhandle;
342         U16 max_devhandle;
343 	U16 max_op_req_q;
344 	U16 max_op_reply_q;
345         U16 shutdown_timeout;
346         U8 ioc_num;
347         U8 who_init;
348 	U16 max_msix_vectors;
349         U8 personality;
350 	U8 dma_mask;
351         U8 protocol_flags;
352         U8 sge_mod_mask;
353         U8 sge_mod_value;
354         U8 sge_mod_shift;
355 	U8 max_dev_per_tg;
356 	U16 max_io_throttle_group;
357 	U16 io_throttle_data_length;
358 	U16 io_throttle_low;
359 	U16 io_throttle_high;
360 };
361 
362 struct mpi3mr_op_req_queue {
363 	U16 ci;
364 	U16 pi;
365 	U16 num_reqs;
366 	U8  qid;
367 	U8  reply_qid;
368 	U32 qsz;
369 	void *q_base;
370 	bus_dma_tag_t q_base_tag;
371 	bus_dmamap_t q_base_dmamap;
372 	bus_addr_t q_base_phys;
373 	struct mtx q_lock;
374 };
375 
376 struct mpi3mr_op_reply_queue {
377 	U16 ci;
378 	U8 ephase;
379 	U8 qid;
380 	U16 num_replies;
381 	U32 qsz;
382 	bus_dma_tag_t q_base_tag;
383 	bus_dmamap_t q_base_dmamap;
384 	void *q_base;
385 	bus_addr_t q_base_phys;
386 	mpi3mr_atomic_t pend_ios;
387 	bool in_use;
388 	struct mtx q_lock;
389 };
390 
391 struct irq_info {
392 	MPI3_REPLY_DESCRIPTORS_UNION	*post_queue;
393 	bus_dma_tag_t			buffer_dmat;
394 	struct resource			*irq;
395 	void				*intrhand;
396 	int				irq_rid;
397 };
398 
399 struct mpi3mr_irq_context {
400 	struct mpi3mr_softc *sc;
401 	U16 msix_index;
402 	struct mpi3mr_op_reply_queue *op_reply_q;
403 	char name[MPI3MR_NAME_LENGTH];
404 	struct irq_info irq_info;
405 };
406 
407 MALLOC_DECLARE(M_MPI3MR);
408 SYSCTL_DECL(_hw_mpi3mr);
409 
410 typedef struct mpi3mr_drvr_cmd DRVR_CMD;
411 typedef void (*DRVR_CMD_CALLBACK)(struct mpi3mr_softc *mrioc, DRVR_CMD *drvrcmd);
412 struct mpi3mr_drvr_cmd {
413 	struct mtx lock;
414 	struct completion completion;
415 	void *reply;
416 	U8 *sensebuf;
417 	U8 iou_rc;
418 	U16 state;
419 	U16 dev_handle;
420 	U16 ioc_status;
421 	U32 ioc_loginfo;
422 	U8 is_waiting;
423 	U8 is_senseprst;
424 	U8 retry_count;
425 	U16 host_tag;
426 	DRVR_CMD_CALLBACK callback;
427 };
428 
429 struct mpi3mr_cmd;
430 typedef void mpi3mr_evt_callback_t(struct mpi3mr_softc *, uintptr_t,
431 	Mpi3EventNotificationReply_t *reply);
432 typedef void mpi3mr_cmd_callback_t(struct mpi3mr_softc *,
433 	struct mpi3mr_cmd *cmd);
434 
435 #define       MPI3MR_IOVEC_COUNT 2
436 
437 enum mpi3mr_data_xfer_direction {
438 	MPI3MR_READ = 1,
439 	MPI3MR_WRITE,
440 };
441 
442 enum mpi3mr_cmd_state {
443 	MPI3MR_CMD_STATE_FREE = 1,
444 	MPI3MR_CMD_STATE_BUSY,
445 	MPI3MR_CMD_STATE_IN_QUEUE,
446 	MPI3MR_CMD_STATE_IN_TM,
447 };
448 
449 enum mpi3mr_target_state {
450 	MPI3MR_DEV_CREATED = 1,
451 	MPI3MR_DEV_REMOVE_HS_STARTED = 2,
452 	MPI3MR_DEV_DELETED = 3,
453 };
454 
455 struct mpi3mr_cmd {
456 	TAILQ_ENTRY(mpi3mr_cmd) 	next;
457 	struct mpi3mr_softc		*sc;
458 	union ccb			*ccb;
459 	void				*data;
460 	u_int				length;
461 	u_int				out_len;
462 	struct uio			uio;
463 	struct iovec			iovec[MPI3MR_IOVEC_COUNT];
464 	u_int				max_segs;
465 	struct mpi3mr_target		*targ;
466 	u_int	                	lun;
467 	u_int				data_dir;
468 	u_int				state;
469 	bus_dmamap_t			dmamap;
470 	struct scsi_sense_data		*sense;
471 	struct callout			callout;
472 	bool				callout_owner;
473 	mpi3mr_cmd_callback_t		*timeout_handler;
474 	U16				hosttag;
475 	U8				req_qidx;
476 	Mpi3SCSIIORequest_t		io_request;
477 	int				error_code;
478 };
479 
480 struct mpi3mr_chain {
481 	bus_dmamap_t buf_dmamap;
482 	void *buf;
483 	bus_addr_t buf_phys;
484 };
485 
486 struct mpi3mr_event_handle {
487 	TAILQ_ENTRY(mpi3mr_event_handle)	eh_list;
488 	mpi3mr_evt_callback_t		*callback;
489 	void				*data;
490 	uint8_t				mask[16];
491 };
492 
493 struct mpi3mr_fw_event_work {
494 	U16			event;
495 	void			*event_data;
496 	TAILQ_ENTRY(mpi3mr_fw_event_work)	ev_link;
497 	U8			send_ack;
498 	U8			process_event;
499 	U32			event_context;
500 	U16			event_data_size;
501 };
502 
503 /**
504  * struct delayed_dev_rmhs_node - Delayed device removal node
505  *
506  * @list: list head
507  * @handle: Device handle
508  * @iou_rc: IO Unit Control Reason Code
509  */
510 struct delayed_dev_rmhs_node {
511 	TAILQ_ENTRY(delayed_dev_rmhs_node) list;
512 	U16 handle;
513 	U8 iou_rc;
514 };
515 
516 /**
517  * struct delayed_evtack_node - Delayed event ack node
518  *
519  * @list: list head
520  * @event: MPI3 event ID
521  * @event_ctx: Event context
522  */
523 struct delayed_evtack_node {
524 	TAILQ_ENTRY(delayed_evtack_node) list;
525 	U8 event;
526 	U32 event_ctx;
527 };
528 
529 /* Reset types */
530 enum reset_type {
531 	MPI3MR_NO_RESET,
532 	MPI3MR_TRIGGER_SOFT_RESET,
533 };
534 
535 struct mpi3mr_reset {
536 	u_int type;
537 	U32 reason;
538 	int status;
539 	bool ioctl_reset_snapdump;
540 };
541 
542 struct mpi3mr_softc {
543 	device_t mpi3mr_dev;
544 	struct cdev *mpi3mr_cdev;
545 	u_int mpi3mr_flags;
546 #define MPI3MR_FLAGS_SHUTDOWN		(1 << 0)
547 #define MPI3MR_FLAGS_DIAGRESET		(1 << 1)
548 #define	MPI3MR_FLAGS_ATTACH_DONE	(1 << 2)
549 #define	MPI3MR_FLAGS_PORT_ENABLE_DONE	(1 << 3)
550 	U8 id;
551 	int cpu_count;
552 	char name[MPI3MR_NAME_LENGTH];
553 	char driver_name[MPI3MR_NAME_LENGTH];
554 	int bars;
555 	int dma_mask;
556 	u_int mpi3mr_debug;
557 	struct mpi3mr_reset reset;
558 	int max_msix_vectors;
559 	int msix_count;
560 	bool  msix_enable;
561 	int io_cmds_highwater;
562 	int max_chains;
563 	uint32_t chain_frame_size;
564 	struct sysctl_ctx_list sysctl_ctx;
565 	struct sysctl_oid *sysctl_tree;
566 	char fw_version[16];
567 	char msg_version[8];
568 	struct mpi3mr_chain *chains;
569 	struct callout periodic;
570 	struct callout device_check_callout;
571 
572 	struct mpi3mr_cam_softc	*cam_sc;
573 	struct mpi3mr_cmd **cmd_list;
574 	TAILQ_HEAD(, mpi3mr_cmd) cmd_list_head;
575 	struct mtx cmd_pool_lock;
576 
577 	struct resource			*mpi3mr_regs_resource;
578 	bus_space_handle_t		mpi3mr_bhandle;
579 	bus_space_tag_t			mpi3mr_btag;
580 	int				mpi3mr_regs_rid;
581 
582 	bus_dma_tag_t			mpi3mr_parent_dmat;
583 	bus_dma_tag_t			buffer_dmat;
584 
585 	int				num_reqs;
586 	int				num_replies;
587 	int				num_chains;
588 
589 	TAILQ_HEAD(, mpi3mr_event_handle)	event_list;
590 	struct mpi3mr_event_handle		*mpi3mr_log_eh;
591 	struct intr_config_hook		mpi3mr_ich;
592 
593 	struct mtx mpi3mr_mtx;
594 	struct mtx io_lock;
595 	U8 intr_enabled;
596 	TAILQ_HEAD(, delayed_dev_rmhs_node) delayed_rmhs_list;
597 	TAILQ_HEAD(, delayed_evtack_node) delayed_evtack_cmds_list;
598 
599 	U16 num_admin_reqs;
600 	U32 admin_req_q_sz;
601 	U16 admin_req_pi;
602 	U16 admin_req_ci;
603 	bus_dma_tag_t admin_req_tag;
604 	bus_dmamap_t admin_req_dmamap;
605 	bus_addr_t admin_req_phys;
606 	U8 *admin_req;
607 	struct mtx admin_req_lock;
608 
609 	U16 num_admin_replies;
610 	U32 admin_reply_q_sz;
611 	U16 admin_reply_ci;
612 	U8 admin_reply_ephase;
613 	bus_dma_tag_t admin_reply_tag;
614 	bus_dmamap_t admin_reply_dmamap;
615 	bus_addr_t admin_reply_phys;
616 	U8 *admin_reply;
617 	struct mtx admin_reply_lock;
618 	bool admin_in_use;
619 
620 	U32 num_reply_bufs;
621 	bus_dma_tag_t			reply_buf_tag;
622 	bus_dmamap_t			reply_buf_dmamap;
623 	bus_addr_t			reply_buf_phys;
624 	U8				*reply_buf;
625 	bus_addr_t			reply_buf_dma_max_address;
626 	bus_addr_t			reply_buf_dma_min_address;
627 
628 	U16 reply_free_q_sz;
629 	bus_dma_tag_t			reply_free_q_tag;
630 	bus_dmamap_t			reply_free_q_dmamap;
631 	bus_addr_t			reply_free_q_phys;
632 	U64				*reply_free_q;
633 	struct mtx reply_free_q_lock;
634 	U32 reply_free_q_host_index;
635 
636 	U32 num_sense_bufs;
637 	bus_dma_tag_t			sense_buf_tag;
638 	bus_dmamap_t			sense_buf_dmamap;
639 	bus_addr_t			sense_buf_phys;
640 	U8				*sense_buf;
641 
642 	U16 sense_buf_q_sz;
643 	bus_dma_tag_t			sense_buf_q_tag;
644 	bus_dmamap_t			sense_buf_q_dmamap;
645 	bus_addr_t			sense_buf_q_phys;
646 	U64				*sense_buf_q;
647 	struct mtx sense_buf_q_lock;
648 	U32 sense_buf_q_host_index;
649 
650 	void				*nvme_encap_prp_list;
651 	bus_addr_t			nvme_encap_prp_list_dma;
652 	bus_dma_tag_t			nvme_encap_prp_list_dmatag;
653 	bus_dmamap_t			nvme_encap_prp_list_dma_dmamap;
654 	U32 nvme_encap_prp_sz;
655 
656 	U32 ready_timeout;
657 
658 	struct mpi3mr_irq_context *irq_ctx;
659 
660 	U16 num_queues;		/* Number of request/reply queues */
661 	struct mpi3mr_op_req_queue *op_req_q;
662 	struct mpi3mr_op_reply_queue *op_reply_q;
663 	U16 num_hosttag_op_req_q;
664 
665 	struct mpi3mr_drvr_cmd init_cmds;
666 	struct mpi3mr_ioc_facts facts;
667 	U16 reply_sz;
668 	U16 op_reply_sz;
669 
670 	U32 event_masks[MPI3_EVENT_NOTIFY_EVENTMASK_WORDS];
671 
672 	char fwevt_worker_name[MPI3MR_NAME_LENGTH];
673 	struct workqueue_struct	*fwevt_worker_thread;
674 	struct mtx fwevt_lock;
675 	struct mtx target_lock;
676 
677 	U16 max_host_ios;
678 	bus_dma_tag_t	chain_sgl_list_tag;
679 	struct mpi3mr_chain *chain_sgl_list;
680 	U16  chain_bitmap_sz;
681 	void *chain_bitmap;
682 	struct mtx chain_buf_lock;
683 	U16 chain_buf_count;
684 
685 	struct mpi3mr_drvr_cmd ioctl_cmds;
686 	struct mpi3mr_drvr_cmd host_tm_cmds;
687 	struct mpi3mr_drvr_cmd dev_rmhs_cmds[MPI3MR_NUM_DEVRMCMD];
688 	struct mpi3mr_drvr_cmd evtack_cmds[MPI3MR_NUM_EVTACKCMD];
689 
690 	U16 devrem_bitmap_sz;
691 	void *devrem_bitmap;
692 
693 	U16 dev_handle_bitmap_sz;
694 	void *removepend_bitmap;
695 
696 	U16 evtack_cmds_bitmap_sz;
697 	void *evtack_cmds_bitmap;
698 
699 	U32 ts_update_counter;
700 	U8 reset_in_progress;
701         U8 unrecoverable;
702         U8 block_ioctls;
703         U8 in_prep_ciactv_rst;
704         U16 prep_ciactv_rst_counter;
705         struct mtx reset_mutex;
706 
707 	U8 prepare_for_reset;
708 	U16 prepare_for_reset_timeout_counter;
709 
710 	U16 diagsave_timeout;
711         int logging_level;
712         U16 flush_io_count;
713 
714         Mpi3DriverInfoLayout_t driver_info;
715 
716 	U16 change_count;
717 
718 	U8 *log_data_buffer;
719 	U16 log_data_buffer_index;
720 	U16 log_data_entry_size;
721 
722         U8 pel_wait_pend;
723         U8 pel_abort_requested;
724         U8 pel_class;
725         U16 pel_locale;
726 
727 	struct mpi3mr_drvr_cmd pel_cmds;
728         struct mpi3mr_drvr_cmd pel_abort_cmd;
729         U32 newest_seqnum;
730         void *pel_seq_number;
731         bus_addr_t pel_seq_number_dma;
732 	bus_dma_tag_t pel_seq_num_dmatag;
733 	bus_dmamap_t pel_seq_num_dmamap;
734         U32 pel_seq_number_sz;
735 
736 	struct selinfo mpi3mr_select;
737 	U32 mpi3mr_poll_waiting;
738 	U32 mpi3mr_aen_triggered;
739 
740 	U16 wait_for_port_enable;
741 	U16 track_mapping_events;
742 	U16 pending_map_events;
743 	mpi3mr_atomic_t fw_outstanding;
744 	mpi3mr_atomic_t pend_ioctls;
745 	struct proc *watchdog_thread;
746 	void   *watchdog_chan;
747 	void   *tm_chan;
748 	u_int8_t remove_in_progress;
749 	u_int8_t watchdog_thread_active;
750 	u_int8_t do_timedout_reset;
751 	bool allow_ios;
752 	bool secure_ctrl;
753 	mpi3mr_atomic_t pend_large_data_sz;
754 
755 	u_int32_t io_throttle_data_length;
756 	u_int32_t io_throttle_high;
757 	u_int32_t io_throttle_low;
758 	u_int16_t num_io_throttle_group;
759 	u_int iot_enable;
760 	struct mpi3mr_throttle_group_info *throttle_groups;
761 
762 	struct dma_memory_desc ioctl_sge[MPI3MR_NUM_IOCTL_SGE];
763 	struct dma_memory_desc ioctl_chain_sge;
764 	struct dma_memory_desc ioctl_resp_sge;
765 	bool ioctl_sges_allocated;
766 };
767 
768 static __inline uint64_t
769 mpi3mr_regread64(struct mpi3mr_softc *sc, uint32_t offset)
770 {
771 	return bus_space_read_8(sc->mpi3mr_btag, sc->mpi3mr_bhandle, offset);
772 }
773 
774 static __inline void
775 mpi3mr_regwrite64(struct mpi3mr_softc *sc, uint32_t offset, uint64_t val)
776 {
777 	bus_space_write_8(sc->mpi3mr_btag, sc->mpi3mr_bhandle, offset, val);
778 }
779 
780 static __inline uint32_t
781 mpi3mr_regread(struct mpi3mr_softc *sc, uint32_t offset)
782 {
783 	return bus_space_read_4(sc->mpi3mr_btag, sc->mpi3mr_bhandle, offset);
784 }
785 
786 static __inline void
787 mpi3mr_regwrite(struct mpi3mr_softc *sc, uint32_t offset, uint32_t val)
788 {
789 	bus_space_write_4(sc->mpi3mr_btag, sc->mpi3mr_bhandle, offset, val);
790 }
791 
792 #define MPI3MR_INFO	(1 << 0)	/* Basic info */
793 #define MPI3MR_FAULT	(1 << 1)	/* Hardware faults */
794 #define MPI3MR_EVENT	(1 << 2)	/* Event data from the controller */
795 #define MPI3MR_LOG	(1 << 3)	/* Log data from the controller */
796 #define MPI3MR_RECOVERY	(1 << 4)	/* Command error recovery tracing */
797 #define MPI3MR_ERROR	(1 << 5)	/* Fatal driver/OS APIs failure */
798 #define MPI3MR_XINFO	(1 << 6)	/* Additional info logs*/
799 #define MPI3MR_TRACE	(1 << 7)	/* Trace functions */
800 #define MPI3MR_IOT	(1 << 8)	/* IO throttling related debugs */
801 #define MPI3MR_DEBUG_TM	(1 << 9)	/* Task management related debugs */
802 #define MPI3MR_DEBUG_IOCTL	(1 << 10)	/* IOCTL related debugs */
803 
804 #define mpi3mr_printf(sc, args...)				\
805 	device_printf((sc)->mpi3mr_dev, ##args)
806 
807 #define mpi3mr_print_field(sc, msg, args...)		\
808 	printf("\t" msg, ##args)
809 
810 #define mpi3mr_vprintf(sc, args...)			\
811 do {							\
812 	if (bootverbose)				\
813 		mpi3mr_printf(sc, ##args);			\
814 } while (0)
815 
816 #define mpi3mr_dprint(sc, level, msg, args...)		\
817 do {							\
818 	if ((sc)->mpi3mr_debug & (level))			\
819 		device_printf((sc)->mpi3mr_dev, msg, ##args);	\
820 } while (0)
821 
822 #define MPI3MR_PRINTFIELD_START(sc, tag...)	\
823 	mpi3mr_printf((sc), ##tag);		\
824 	mpi3mr_print_field((sc), ":\n")
825 #define MPI3MR_PRINTFIELD_END(sc, tag)		\
826 	mpi3mr_printf((sc), tag "\n")
827 #define MPI3MR_PRINTFIELD(sc, facts, attr, fmt)	\
828 	mpi3mr_print_field((sc), #attr ": " #fmt "\n", (facts)->attr)
829 
830 #define mpi3mr_kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
831     kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
832 #define mpi3mr_kproc_exit(arg)	kproc_exit(arg)
833 
834 #if defined(CAM_PRIORITY_XPT)
835 #define MPI3MR_PRIORITY_XPT	CAM_PRIORITY_XPT
836 #else
837 #define MPI3MR_PRIORITY_XPT	5
838 #endif
839 
840 static __inline void
841 mpi3mr_clear_bit(int b, volatile void *p)
842 {
843 	atomic_clear_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f));
844 }
845 
846 static __inline void
847 mpi3mr_set_bit(int b, volatile void *p)
848 {
849 	atomic_set_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f));
850 }
851 
852 static __inline int
853 mpi3mr_test_bit(int b, volatile void *p)
854 {
855 	return ((volatile int *)p)[b >> 5] & (1 << (b & 0x1f));
856 }
857 
858 static __inline int
859 mpi3mr_test_and_set_bit(int b, volatile void *p)
860 {
861 	int ret = ((volatile int *)p)[b >> 5] & (1 << (b & 0x1f));
862 
863 	atomic_set_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f));
864 	return ret;
865 }
866 
867 static __inline int
868 mpi3mr_find_first_zero_bit(void *p, int bit_count)
869 {
870 	int i, sz, j=0;
871 	U8 *loc;
872 
873 	sz = bit_count % 8 ? (bit_count / 8 + 1) : (bit_count / 8);
874 	loc = malloc(sz, M_MPI3MR, M_NOWAIT | M_ZERO);
875 
876 	memcpy(loc, p, sz);
877 
878 	for (i = 0; i < sz; i++) {
879 		j = 0;
880 		while (j < 8) {
881 			if (!((loc[i] >> j) & 0x1))
882 				goto out;
883 			j++;
884 		}
885 	}
886 out:
887 	free(loc, M_MPI3MR);
888 	return (i + j);
889 }
890 
891 #define MPI3MR_DIV_ROUND_UP(n,d)       (((n) + (d) - 1) / (d))
892 
893 void
894 init_completion(struct completion *completion);
895 
896 void
897 complete(struct completion *completion);
898 
899 void wait_for_completion_timeout(struct completion *completion,
900 	    U32 timeout);
901 void wait_for_completion_timeout_tm(struct completion *completion,
902 	    U32 timeout, struct mpi3mr_softc *sc);
903 void mpi3mr_add_sg_single(void *paddr, U8 flags, U32 length,
904     bus_addr_t dma_addr);
905 void mpi3mr_enable_interrupts(struct mpi3mr_softc *sc);
906 void mpi3mr_disable_interrupts(struct mpi3mr_softc *sc);
907 void mpi3mr_memaddr_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error);
908 int mpi3mr_submit_admin_cmd(struct mpi3mr_softc *mrioc, void *admin_req,
909     U16 admin_req_sz);
910 int mpi3mr_submit_io(struct mpi3mr_softc *mrioc,
911     struct mpi3mr_op_req_queue *op_req_q, U8 *req);
912 int
913 mpi3mr_alloc_interrupts(struct mpi3mr_softc *sc, U16 setup_one);
914 
915 void mpi3mr_cleanup_ioc(struct mpi3mr_softc *sc);
916 int mpi3mr_initialize_ioc(struct mpi3mr_softc *sc, U8 reason);
917 void mpi3mr_build_zero_len_sge(void *paddr);
918 int mpi3mr_issue_event_notification(struct mpi3mr_softc *sc);
919 int
920 mpi3mr_register_events(struct mpi3mr_softc *sc);
921 void mpi3mr_process_op_reply_desc(struct mpi3mr_softc *sc,
922     Mpi3DefaultReplyDescriptor_t *reply_desc, U64 *reply_dma);
923 struct mpi3mr_cmd *
924 mpi3mr_get_command(struct mpi3mr_softc *sc);
925 void
926 mpi3mr_release_command(struct mpi3mr_cmd *cmd);
927 int
928 mpi3mr_complete_io_cmd(struct mpi3mr_softc *sc,
929     struct mpi3mr_irq_context *irq_context);
930 int
931 mpi3mr_cam_detach(struct mpi3mr_softc *sc);
932 int
933 mpi3mr_cam_attach(struct mpi3mr_softc *sc);
934 struct mpi3mr_target *
935 mpi3mr_find_target_by_per_id(struct mpi3mr_cam_softc *cam_sc,
936     uint16_t per_id);
937 struct mpi3mr_target *
938 mpi3mr_find_target_by_dev_handle(struct mpi3mr_cam_softc *cam_sc,
939     uint16_t dev_handle);
940 int mpi3mr_create_device(struct mpi3mr_softc *sc,
941     Mpi3DevicePage0_t *dev_pg0);
942 void
943 mpi3mr_unmap_request(struct mpi3mr_softc *sc, struct mpi3mr_cmd *cmd);
944 void
945 init_completion(struct completion *completion);
946 void
947 complete(struct completion *completion);
948 void wait_for_completion_timeout(struct completion *completion,
949 	    U32 timeout);
950 void
951 poll_for_command_completion(struct mpi3mr_softc *sc,
952        struct mpi3mr_drvr_cmd *cmd, U16 wait);
953 int
954 mpi3mr_alloc_requests(struct mpi3mr_softc *sc);
955 void
956 mpi3mr_watchdog(void *arg);
957 int mpi3mr_issue_port_enable(struct mpi3mr_softc *mrioc, U8 async);
958 void
959 mpi3mr_isr(void *privdata);
960 int
961 mpi3mr_alloc_msix_queues(struct mpi3mr_softc *sc);
962 void
963 mpi3mr_destory_mtx(struct mpi3mr_softc *sc);
964 void
965 mpi3mr_free_mem(struct mpi3mr_softc *sc);
966 void
967 mpi3mr_cleanup_interrupts(struct mpi3mr_softc *sc);
968 int mpi3mr_setup_irqs(struct mpi3mr_softc *sc);
969 void mpi3mr_cleanup_event_taskq(struct mpi3mr_softc *sc);
970 void
971 mpi3mr_hexdump(void *buf, int sz, int format);
972 int mpi3mr_soft_reset_handler(struct mpi3mr_softc *sc,
973 	U32 reset_reason, bool snapdump);
974 void
975 mpi3mrsas_release_simq_reinit(struct mpi3mr_cam_softc *cam_sc);
976 void
977 mpi3mr_watchdog_thread(void *arg);
978 void mpi3mr_add_device(struct mpi3mr_softc *sc, U16 per_id);
979 int mpi3mr_remove_device(struct mpi3mr_softc *sc, U16 handle);
980 int
981 mpi3mrsas_register_events(struct mpi3mr_softc *sc);
982 int mpi3mr_process_event_ack(struct mpi3mr_softc *sc, U8 event,
983 	U32 event_ctx);
984 int mpi3mr_remove_device_from_os(struct mpi3mr_softc *sc, U16 handle);
985 void mpi3mr_remove_device_from_list(struct mpi3mr_softc *sc, struct mpi3mr_target *target,
986 				    bool must_delete);
987 void mpi3mr_update_device(struct mpi3mr_softc *mrioc,
988     struct mpi3mr_target *tgtdev, Mpi3DevicePage0_t *dev_pg0, bool is_added);
989 void mpi3mr_app_save_logdata(struct mpi3mr_softc *sc, char *event_data, U16 event_data_size);
990 void mpi3mr_set_io_divert_for_all_vd_in_tg(struct mpi3mr_softc *sc,
991 	struct mpi3mr_throttle_group_info *tg, U8 divert_value);
992 enum mpi3mr_iocstate mpi3mr_get_iocstate(struct mpi3mr_softc *sc);
993 void mpi3mr_poll_pend_io_completions(struct mpi3mr_softc *sc);
994 void int_to_lun(unsigned int lun, U8 *req_lun);
995 void trigger_reset_from_watchdog(struct mpi3mr_softc *sc, U8 reset_type, U32 reset_reason);
996 void mpi3mr_alloc_ioctl_dma_memory(struct mpi3mr_softc *sc);
997 #endif /*MPI3MR_H_INCLUDED*/
998