xref: /freebsd/sys/dev/mpi3mr/mpi3mr.h (revision fe75646a0234a261c0013bf1840fdac4acaf0cec)
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/types.h>
48 #include <sys/param.h>
49 #include <sys/systm.h>
50 #include <sys/kernel.h>
51 #include <sys/module.h>
52 #include <sys/bus.h>
53 #include <sys/conf.h>
54 #include <sys/malloc.h>
55 #include <sys/sysctl.h>
56 #include <sys/uio.h>
57 #include <sys/selinfo.h>
58 #include <sys/poll.h>
59 
60 #include <sys/lock.h>
61 #include <sys/mutex.h>
62 #include <sys/endian.h>
63 #include <sys/sysent.h>
64 #include <sys/taskqueue.h>
65 #include <sys/smp.h>
66 
67 #include <machine/bus.h>
68 #include <machine/resource.h>
69 #include <sys/rman.h>
70 
71 #include <dev/pci/pcireg.h>
72 #include <dev/pci/pcivar.h>
73 #include <dev/pci/pci_private.h>
74 
75 #include <cam/cam.h>
76 #include <cam/cam_ccb.h>
77 #include <cam/cam_debug.h>
78 #include <cam/cam_sim.h>
79 #include <cam/cam_xpt_sim.h>
80 #include <cam/cam_xpt_periph.h>
81 #include <cam/cam_periph.h>
82 #include <cam/scsi/scsi_all.h>
83 #include <cam/scsi/scsi_message.h>
84 
85 #include <cam/scsi/smp_all.h>
86 #include <sys/queue.h>
87 #include <sys/kthread.h>
88 #include "mpi/mpi30_api.h"
89 
90 #define MPI3MR_DRIVER_VERSION	"8.6.0.2.0"
91 #define MPI3MR_DRIVER_RELDATE	"17th May 2023"
92 
93 #define MPI3MR_DRIVER_NAME	"mpi3mr"
94 
95 #define MPI3MR_NAME_LENGTH	32
96 #define IOCNAME			"%s: "
97 
98 #define SAS4116_CHIP_REV_A0	0
99 #define SAS4116_CHIP_REV_B0	1
100 
101 #define MPI3MR_SG_DEPTH		(MPI3MR_4K_PGSZ/sizeof(Mpi3SGESimple_t))
102 #define MPI3MR_MAX_SECTORS	2048
103 #define MPI3MR_MAX_CMDS_LUN	7
104 #define MPI3MR_MAX_CDB_LENGTH	16
105 #define MPI3MR_MAX_LUN 		16895
106 
107 #define MPI3MR_SATA_QDEPTH	32
108 #define MPI3MR_SAS_QDEPTH	64
109 #define MPI3MR_RAID_QDEPTH	128
110 #define MPI3MR_NVME_QDEPTH	128
111 
112 #define MPI3MR_4K_PGSZ 		4096
113 #define MPI3MR_AREQQ_SIZE	(2 * MPI3MR_4K_PGSZ)
114 #define MPI3MR_AREPQ_SIZE	(4 * MPI3MR_4K_PGSZ)
115 #define MPI3MR_AREQ_FRAME_SZ	128
116 #define MPI3MR_AREP_FRAME_SZ	16
117 
118 #define MPI3MR_OPREQQ_SIZE	(8 * MPI3MR_4K_PGSZ)
119 #define MPI3MR_OPREPQ_SIZE	(4 * MPI3MR_4K_PGSZ)
120 
121 /* Operational queue management definitions */
122 #define MPI3MR_OP_REQ_Q_QD		512
123 #define MPI3MR_OP_REP_Q_QD		1024
124 #define MPI3MR_OP_REP_Q_QD_A0		4096
125 
126 #define MPI3MR_CHAINSGE_SIZE	MPI3MR_4K_PGSZ
127 
128 #define MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST	\
129 	(MPI3_SGE_FLAGS_ELEMENT_TYPE_SIMPLE | MPI3_SGE_FLAGS_DLAS_SYSTEM | \
130 	 MPI3_SGE_FLAGS_END_OF_LIST)
131 
132 #define MPI3MR_HOSTTAG_INVALID          0xFFFF
133 #define MPI3MR_HOSTTAG_INITCMDS         1
134 #define MPI3MR_HOSTTAG_IOCTLCMDS        2
135 #define MPI3MR_HOSTTAG_PELABORT         3
136 #define MPI3MR_HOSTTAG_PELWAIT          4
137 #define MPI3MR_HOSTTAG_TMS		5
138 
139 #define MAX_MGMT_ADAPTERS 8
140 #define MPI3MR_WAIT_BEFORE_CTRL_RESET 5
141 
142 
143 struct mpi3mr_mgmt_info {
144 	uint16_t count;
145 	struct mpi3mr_softc *sc_ptr[MAX_MGMT_ADAPTERS];
146 	int max_index;
147 };
148 
149 extern char fmt_os_ver[16];
150 
151 #define MPI3MR_OS_VERSION(raw_os_ver, fmt_os_ver)	sprintf(raw_os_ver, "%d", __FreeBSD_version); \
152 							sprintf(fmt_os_ver, "%c%c.%c%c.%c%c%c",\
153 								raw_os_ver[0], raw_os_ver[1], raw_os_ver[2],\
154 								raw_os_ver[3], raw_os_ver[4], raw_os_ver[5],\
155 								raw_os_ver[6]);
156 #define MPI3MR_NUM_DEVRMCMD             1
157 #define MPI3MR_HOSTTAG_DEVRMCMD_MIN     (MPI3MR_HOSTTAG_TMS + 1)
158 #define MPI3MR_HOSTTAG_DEVRMCMD_MAX     (MPI3MR_HOSTTAG_DEVRMCMD_MIN + \
159                                                 MPI3MR_NUM_DEVRMCMD - 1)
160 #define MPI3MR_INTERNALCMDS_RESVD       MPI3MR_HOSTTAG_DEVRMCMD_MAX
161 
162 #define MPI3MR_NUM_EVTACKCMD		4
163 #define MPI3MR_HOSTTAG_EVTACKCMD_MIN	(MPI3MR_HOSTTAG_DEVRMCMD_MAX + 1)
164 #define MPI3MR_HOSTTAG_EVTACKCMD_MAX	(MPI3MR_HOSTTAG_EVTACKCMD_MIN + \
165 						MPI3MR_NUM_EVTACKCMD - 1)
166 
167 /* command/controller interaction timeout definitions in seconds */
168 #define MPI3MR_INTADMCMD_TIMEOUT		60
169 #define MPI3MR_PORTENABLE_TIMEOUT		300
170 #define MPI3MR_ABORTTM_TIMEOUT			60
171 #define MPI3MR_RESETTM_TIMEOUT			60
172 #define MPI3MR_TSUPDATE_INTERVAL		900
173 #define MPI3MR_DEFAULT_SHUTDOWN_TIME		120
174 #define	MPI3MR_RAID_ERRREC_RESET_TIMEOUT	180
175 #define	MPI3MR_RESET_HOST_IOWAIT_TIMEOUT	5
176 #define	MPI3MR_PREPARE_FOR_RESET_TIMEOUT	180
177 #define MPI3MR_RESET_ACK_TIMEOUT		30
178 #define MPI3MR_MUR_TIMEOUT			120
179 
180 #define MPI3MR_CMD_NOTUSED	0x8000
181 #define MPI3MR_CMD_COMPLETE	0x0001
182 #define MPI3MR_CMD_PENDING	0x0002
183 #define MPI3MR_CMD_REPLYVALID	0x0004
184 #define MPI3MR_CMD_RESET	0x0008
185 
186 #define MPI3MR_NUM_EVTREPLIES	64
187 #define MPI3MR_SENSEBUF_SZ	256
188 #define MPI3MR_SENSEBUF_FACTOR	3
189 #define MPI3MR_CHAINBUF_FACTOR	3
190 
191 #define MPT3SAS_HOSTPGSZ_4KEXP 12
192 
193 #define MPI3MR_INVALID_DEV_HANDLE 0xFFFF
194 
195 /* Controller Reset related definitions */
196 #define MPI3MR_HOSTDIAG_UNLOCK_RETRY_COUNT	5
197 #define MPI3MR_MAX_SHUTDOWN_RETRY_COUNT		2
198 
199 /* ResponseCode values */
200 #define MPI3MR_RI_MASK_RESPCODE		(0x000000FF)
201 #define MPI3MR_RSP_TM_COMPLETE		0x00
202 #define MPI3MR_RSP_INVALID_FRAME	0x02
203 #define MPI3MR_RSP_TM_NOT_SUPPORTED	0x04
204 #define MPI3MR_RSP_TM_FAILED		0x05
205 #define MPI3MR_RSP_TM_SUCCEEDED		0x08
206 #define MPI3MR_RSP_TM_INVALID_LUN	0x09
207 #define MPI3MR_RSP_TM_OVERLAPPED_TAG	0x0A
208 #define MPI3MR_RSP_IO_QUEUED_ON_IOC \
209 			MPI3_SCSITASKMGMT_RSPCODE_IO_QUEUED_ON_IOC
210 
211 /* Definitions for the controller security status*/
212 #define MPI3MR_CTLR_SECURITY_STATUS_MASK        0x0C
213 #define MPI3MR_CTLR_SECURE_DBG_STATUS_MASK      0x02
214 
215 #define MPI3MR_INVALID_DEVICE                   0x00
216 #define MPI3MR_CONFIG_SECURE_DEVICE             0x04
217 #define MPI3MR_HARD_SECURE_DEVICE               0x08
218 #define MPI3MR_TAMPERED_DEVICE			0x0C
219 
220 #define MPI3MR_DEFAULT_MDTS	(128 * 1024)
221 #define MPI3MR_DEFAULT_PGSZEXP	(12)
222 #define MPI3MR_MAX_IOCTL_TRANSFER_SIZE (1024 * 1024)
223 
224 #define MPI3MR_DEVRMHS_RETRYCOUNT 3
225 #define MPI3MR_PELCMDS_RETRYCOUNT 3
226 
227 #define MPI3MR_PERIODIC_DELAY	1	/* 1 second heartbeat/watchdog check */
228 
229 struct completion {
230 	unsigned int done;
231 	struct mtx lock;
232 };
233 
234 typedef union {
235 	volatile unsigned int val;
236 	unsigned int val_rdonly;
237 } mpi3mr_atomic_t;
238 
239 #define	mpi3mr_atomic_read(v)	atomic_load_acq_int(&(v)->val)
240 #define	mpi3mr_atomic_set(v,i)	atomic_store_rel_int(&(v)->val, i)
241 #define	mpi3mr_atomic_dec(v)	atomic_subtract_int(&(v)->val, 1)
242 #define	mpi3mr_atomic_inc(v)	atomic_add_int(&(v)->val, 1)
243 #define	mpi3mr_atomic_add(v, u)	atomic_add_int(&(v)->val, u)
244 #define	mpi3mr_atomic_sub(v, u)	atomic_subtract_int(&(v)->val, u)
245 
246 /* IOCTL data transfer sge*/
247 #define MPI3MR_NUM_IOCTL_SGE		256
248 #define MPI3MR_IOCTL_SGE_SIZE		(8 * 1024)
249 
250 struct dma_memory_desc {
251 	U32 size;
252 	void *addr;
253 	bus_dma_tag_t tag;
254 	bus_dmamap_t dmamap;
255 	bus_addr_t dma_addr;
256 };
257 
258 enum mpi3mr_iocstate {
259         MRIOC_STATE_READY = 1,
260         MRIOC_STATE_RESET,
261         MRIOC_STATE_FAULT,
262         MRIOC_STATE_BECOMING_READY,
263         MRIOC_STATE_RESET_REQUESTED,
264         MRIOC_STATE_UNRECOVERABLE,
265         MRIOC_STATE_COUNT,
266 };
267 
268 /* Init type definitions */
269 enum mpi3mr_init_type {
270 	MPI3MR_INIT_TYPE_INIT = 0,
271 	MPI3MR_INIT_TYPE_RESET,
272 	MPI3MR_INIT_TYPE_RESUME,
273 };
274 
275 /* Reset reason code definitions*/
276 enum mpi3mr_reset_reason {
277 	MPI3MR_RESET_FROM_BRINGUP = 1,
278 	MPI3MR_RESET_FROM_FAULT_WATCH = 2,
279 	MPI3MR_RESET_FROM_IOCTL = 3,
280 	MPI3MR_RESET_FROM_EH_HOS = 4,
281 	MPI3MR_RESET_FROM_TM_TIMEOUT = 5,
282 	MPI3MR_RESET_FROM_IOCTL_TIMEOUT = 6,
283 	MPI3MR_RESET_FROM_MUR_FAILURE = 7,
284 	MPI3MR_RESET_FROM_CTLR_CLEANUP = 8,
285 	MPI3MR_RESET_FROM_CIACTIV_FAULT = 9,
286 	MPI3MR_RESET_FROM_PE_TIMEOUT = 10,
287 	MPI3MR_RESET_FROM_TSU_TIMEOUT = 11,
288 	MPI3MR_RESET_FROM_DELREQQ_TIMEOUT = 12,
289 	MPI3MR_RESET_FROM_DELREPQ_TIMEOUT = 13,
290 	MPI3MR_RESET_FROM_CREATEREPQ_TIMEOUT = 14,
291 	MPI3MR_RESET_FROM_CREATEREQQ_TIMEOUT = 15,
292 	MPI3MR_RESET_FROM_IOCFACTS_TIMEOUT = 16,
293 	MPI3MR_RESET_FROM_IOCINIT_TIMEOUT = 17,
294 	MPI3MR_RESET_FROM_EVTNOTIFY_TIMEOUT = 18,
295 	MPI3MR_RESET_FROM_EVTACK_TIMEOUT = 19,
296 	MPI3MR_RESET_FROM_CIACTVRST_TIMER = 20,
297 	MPI3MR_RESET_FROM_GETPKGVER_TIMEOUT = 21,
298 	MPI3MR_RESET_FROM_PELABORT_TIMEOUT = 22,
299 	MPI3MR_RESET_FROM_SYSFS = 23,
300 	MPI3MR_RESET_FROM_SYSFS_TIMEOUT = 24,
301 	MPI3MR_RESET_FROM_DIAG_BUFFER_POST_TIMEOUT = 25,
302 	MPI3MR_RESET_FROM_SCSIIO_TIMEOUT = 26,
303 	MPI3MR_RESET_FROM_FIRMWARE = 27,
304 	MPI3MR_DEFAULT_RESET_REASON = 28,
305 	MPI3MR_RESET_REASON_COUNT,
306 };
307 
308 struct mpi3mr_compimg_ver
309 {
310         U16 build_num;
311         U16 cust_id;
312         U8 ph_minor;
313         U8 ph_major;
314         U8 gen_minor;
315         U8 gen_major;
316 };
317 
318 struct mpi3mr_ioc_facts
319 {
320         U32 ioc_capabilities;
321         struct mpi3mr_compimg_ver fw_ver;
322         U32 mpi_version;
323         U16 max_reqs;
324         U16 product_id;
325         U16 op_req_sz;
326 	U16 reply_sz;
327         U16 exceptions;
328         U16 max_perids;
329         U16 max_pds;
330         U16 max_sasexpanders;
331         U16 max_sasinitiators;
332         U16 max_enclosures;
333         U16 max_pcieswitches;
334         U16 max_nvme;
335         U16 max_vds;
336         U16 max_hpds;
337         U16 max_advhpds;
338         U16 max_raidpds;
339         U16 min_devhandle;
340         U16 max_devhandle;
341 	U16 max_op_req_q;
342 	U16 max_op_reply_q;
343         U16 shutdown_timeout;
344         U8 ioc_num;
345         U8 who_init;
346 	U16 max_msix_vectors;
347         U8 personality;
348 	U8 dma_mask;
349         U8 protocol_flags;
350         U8 sge_mod_mask;
351         U8 sge_mod_value;
352         U8 sge_mod_shift;
353 	U8 max_dev_per_tg;
354 	U16 max_io_throttle_group;
355 	U16 io_throttle_data_length;
356 	U16 io_throttle_low;
357 	U16 io_throttle_high;
358 };
359 
360 struct mpi3mr_op_req_queue {
361 	U16 ci;
362 	U16 pi;
363 	U16 num_reqs;
364 	U8  qid;
365 	U8  reply_qid;
366 	U32 qsz;
367 	void *q_base;
368 	bus_dma_tag_t q_base_tag;
369 	bus_dmamap_t q_base_dmamap;
370 	bus_addr_t q_base_phys;
371 	struct mtx q_lock;
372 };
373 
374 struct mpi3mr_op_reply_queue {
375 	U16 ci;
376 	U8 ephase;
377 	U8 qid;
378 	U16 num_replies;
379 	U32 qsz;
380 	bus_dma_tag_t q_base_tag;
381 	bus_dmamap_t q_base_dmamap;
382 	void *q_base;
383 	bus_addr_t q_base_phys;
384 	mpi3mr_atomic_t pend_ios;
385 	bool in_use;
386 	struct mtx q_lock;
387 };
388 
389 struct irq_info {
390 	MPI3_REPLY_DESCRIPTORS_UNION	*post_queue;
391 	bus_dma_tag_t			buffer_dmat;
392 	struct resource			*irq;
393 	void				*intrhand;
394 	int				irq_rid;
395 };
396 
397 struct mpi3mr_irq_context {
398 	struct mpi3mr_softc *sc;
399 	U16 msix_index;
400 	struct mpi3mr_op_reply_queue *op_reply_q;
401 	char name[MPI3MR_NAME_LENGTH];
402 	struct irq_info irq_info;
403 };
404 
405 MALLOC_DECLARE(M_MPI3MR);
406 SYSCTL_DECL(_hw_mpi3mr);
407 
408 typedef struct mpi3mr_drvr_cmd DRVR_CMD;
409 typedef void (*DRVR_CMD_CALLBACK)(struct mpi3mr_softc *mrioc, DRVR_CMD *drvrcmd);
410 struct mpi3mr_drvr_cmd {
411 	struct mtx lock;
412 	struct completion completion;
413 	void *reply;
414 	U8 *sensebuf;
415 	U8 iou_rc;
416 	U16 state;
417 	U16 dev_handle;
418 	U16 ioc_status;
419 	U32 ioc_loginfo;
420 	U8 is_waiting;
421 	U8 is_senseprst;
422 	U8 retry_count;
423 	U16 host_tag;
424 	DRVR_CMD_CALLBACK callback;
425 };
426 
427 struct mpi3mr_cmd;
428 typedef void mpi3mr_evt_callback_t(struct mpi3mr_softc *, uintptr_t,
429 	Mpi3EventNotificationReply_t *reply);
430 typedef void mpi3mr_cmd_callback_t(struct mpi3mr_softc *,
431 	struct mpi3mr_cmd *cmd);
432 
433 #define       MPI3MR_IOVEC_COUNT 2
434 
435 enum mpi3mr_data_xfer_direction {
436 	MPI3MR_READ = 1,
437 	MPI3MR_WRITE,
438 };
439 
440 enum mpi3mr_cmd_state {
441 	MPI3MR_CMD_STATE_FREE = 1,
442 	MPI3MR_CMD_STATE_BUSY,
443 	MPI3MR_CMD_STATE_IN_QUEUE,
444 	MPI3MR_CMD_STATE_IN_TM,
445 };
446 
447 enum mpi3mr_target_state {
448 	MPI3MR_DEV_CREATED = 1,
449 	MPI3MR_DEV_REMOVE_HS_STARTED = 2,
450 	MPI3MR_DEV_DELETED = 3,
451 };
452 
453 struct mpi3mr_cmd {
454 	TAILQ_ENTRY(mpi3mr_cmd) 	next;
455 	struct mpi3mr_softc		*sc;
456 	union ccb			*ccb;
457 	void				*data;
458 	u_int				length;
459 	struct mpi3mr_target		*targ;
460 	u_int				data_dir;
461 	u_int				state;
462 	bus_dmamap_t			dmamap;
463 	struct scsi_sense_data		*sense;
464 	struct callout			callout;
465 	bool				callout_owner;
466 	U16				hosttag;
467 	U8				req_qidx;
468 	Mpi3SCSIIORequest_t		io_request;
469 };
470 
471 struct mpi3mr_chain {
472 	bus_dmamap_t buf_dmamap;
473 	void *buf;
474 	bus_addr_t buf_phys;
475 };
476 
477 struct mpi3mr_event_handle {
478 	TAILQ_ENTRY(mpi3mr_event_handle)	eh_list;
479 	mpi3mr_evt_callback_t		*callback;
480 	void				*data;
481 	uint8_t				mask[16];
482 };
483 
484 struct mpi3mr_fw_event_work {
485 	U16			event;
486 	void			*event_data;
487 	TAILQ_ENTRY(mpi3mr_fw_event_work)	ev_link;
488 	U8			send_ack;
489 	U8			process_event;
490 	U32			event_context;
491 	U16			event_data_size;
492 };
493 
494 /**
495  * struct delayed_dev_rmhs_node - Delayed device removal node
496  *
497  * @list: list head
498  * @handle: Device handle
499  * @iou_rc: IO Unit Control Reason Code
500  */
501 struct delayed_dev_rmhs_node {
502 	TAILQ_ENTRY(delayed_dev_rmhs_node) list;
503 	U16 handle;
504 	U8 iou_rc;
505 };
506 
507 /**
508  * struct delayed_evtack_node - Delayed event ack node
509  *
510  * @list: list head
511  * @event: MPI3 event ID
512  * @event_ctx: Event context
513  */
514 struct delayed_evtack_node {
515 	TAILQ_ENTRY(delayed_evtack_node) list;
516 	U8 event;
517 	U32 event_ctx;
518 };
519 
520 /* Reset types */
521 enum reset_type {
522 	MPI3MR_NO_RESET,
523 	MPI3MR_TRIGGER_SOFT_RESET,
524 };
525 
526 struct mpi3mr_reset {
527 	u_int type;
528 	U32 reason;
529 	int status;
530 	bool ioctl_reset_snapdump;
531 };
532 
533 struct mpi3mr_softc {
534 	device_t mpi3mr_dev;
535 	struct cdev *mpi3mr_cdev;
536 	u_int mpi3mr_flags;
537 #define MPI3MR_FLAGS_SHUTDOWN		(1 << 0)
538 #define MPI3MR_FLAGS_DIAGRESET		(1 << 1)
539 #define	MPI3MR_FLAGS_ATTACH_DONE	(1 << 2)
540 #define	MPI3MR_FLAGS_PORT_ENABLE_DONE	(1 << 3)
541 	U8 id;
542 	int cpu_count;
543 	char name[MPI3MR_NAME_LENGTH];
544 	char driver_name[MPI3MR_NAME_LENGTH];
545 	int bars;
546 	bus_addr_t dma_loaddr;
547 	u_int mpi3mr_debug;
548 	struct mpi3mr_reset reset;
549 	int max_msix_vectors;
550 	int msix_count;
551 	bool  msix_enable;
552 	int io_cmds_highwater;
553 	int max_chains;
554 	uint32_t chain_frame_size;
555 	struct sysctl_ctx_list sysctl_ctx;
556 	struct sysctl_oid *sysctl_tree;
557 	char fw_version[32];
558 	struct mpi3mr_chain *chains;
559 	struct callout periodic;
560 	struct callout device_check_callout;
561 
562 	struct mpi3mr_cam_softc	*cam_sc;
563 	struct mpi3mr_cmd **cmd_list;
564 	TAILQ_HEAD(, mpi3mr_cmd) cmd_list_head;
565 	struct mtx cmd_pool_lock;
566 
567 	struct resource			*mpi3mr_regs_resource;
568 	bus_space_handle_t		mpi3mr_bhandle;
569 	bus_space_tag_t			mpi3mr_btag;
570 	int				mpi3mr_regs_rid;
571 
572 	bus_dma_tag_t			mpi3mr_parent_dmat;
573 	bus_dma_tag_t			buffer_dmat;
574 
575 	int				num_reqs;
576 	int				num_replies;
577 	int				num_chains;
578 
579 	TAILQ_HEAD(, mpi3mr_event_handle)	event_list;
580 	struct mpi3mr_event_handle		*mpi3mr_log_eh;
581 	struct intr_config_hook		mpi3mr_ich;
582 
583 	struct mtx mpi3mr_mtx;
584 	struct mtx io_lock;
585 	U8 intr_enabled;
586 	TAILQ_HEAD(, delayed_dev_rmhs_node) delayed_rmhs_list;
587 	TAILQ_HEAD(, delayed_evtack_node) delayed_evtack_cmds_list;
588 
589 	U16 num_admin_reqs;
590 	U32 admin_req_q_sz;
591 	U16 admin_req_pi;
592 	U16 admin_req_ci;
593 	bus_dma_tag_t admin_req_tag;
594 	bus_dmamap_t admin_req_dmamap;
595 	bus_addr_t admin_req_phys;
596 	U8 *admin_req;
597 	struct mtx admin_req_lock;
598 
599 	U16 num_admin_replies;
600 	U32 admin_reply_q_sz;
601 	U16 admin_reply_ci;
602 	U8 admin_reply_ephase;
603 	bus_dma_tag_t admin_reply_tag;
604 	bus_dmamap_t admin_reply_dmamap;
605 	bus_addr_t admin_reply_phys;
606 	U8 *admin_reply;
607 	struct mtx admin_reply_lock;
608 	bool admin_in_use;
609 
610 	U32 num_reply_bufs;
611 	bus_dma_tag_t			reply_buf_tag;
612 	bus_dmamap_t			reply_buf_dmamap;
613 	bus_addr_t			reply_buf_phys;
614 	U8				*reply_buf;
615 	bus_addr_t			reply_buf_dma_max_address;
616 	bus_addr_t			reply_buf_dma_min_address;
617 
618 	U16 reply_free_q_sz;
619 	bus_dma_tag_t			reply_free_q_tag;
620 	bus_dmamap_t			reply_free_q_dmamap;
621 	bus_addr_t			reply_free_q_phys;
622 	U64				*reply_free_q;
623 	struct mtx reply_free_q_lock;
624 	U32 reply_free_q_host_index;
625 
626 	U32 num_sense_bufs;
627 	bus_dma_tag_t			sense_buf_tag;
628 	bus_dmamap_t			sense_buf_dmamap;
629 	bus_addr_t			sense_buf_phys;
630 	U8				*sense_buf;
631 
632 	U16 sense_buf_q_sz;
633 	bus_dma_tag_t			sense_buf_q_tag;
634 	bus_dmamap_t			sense_buf_q_dmamap;
635 	bus_addr_t			sense_buf_q_phys;
636 	U64				*sense_buf_q;
637 	struct mtx sense_buf_q_lock;
638 	U32 sense_buf_q_host_index;
639 
640 	void				*nvme_encap_prp_list;
641 	bus_addr_t			nvme_encap_prp_list_dma;
642 	bus_dma_tag_t			nvme_encap_prp_list_dmatag;
643 	bus_dmamap_t			nvme_encap_prp_list_dma_dmamap;
644 	U32 nvme_encap_prp_sz;
645 
646 	U32 ready_timeout;
647 
648 	struct mpi3mr_irq_context *irq_ctx;
649 
650 	U16 num_queues;		/* Number of request/reply queues */
651 	struct mpi3mr_op_req_queue *op_req_q;
652 	struct mpi3mr_op_reply_queue *op_reply_q;
653 	U16 num_hosttag_op_req_q;
654 
655 	struct mpi3mr_drvr_cmd init_cmds;
656 	struct mpi3mr_ioc_facts facts;
657 	U16 reply_sz;
658 	U16 op_reply_sz;
659 
660 	U32 event_masks[MPI3_EVENT_NOTIFY_EVENTMASK_WORDS];
661 
662 	char fwevt_worker_name[MPI3MR_NAME_LENGTH];
663 	struct workqueue_struct	*fwevt_worker_thread;
664 	struct mtx fwevt_lock;
665 	struct mtx target_lock;
666 
667 	U16 max_host_ios;
668 	bus_dma_tag_t	chain_sgl_list_tag;
669 	struct mpi3mr_chain *chain_sgl_list;
670 	U16  chain_bitmap_sz;
671 	void *chain_bitmap;
672 	struct mtx chain_buf_lock;
673 	U16 chain_buf_count;
674 
675 	struct mpi3mr_drvr_cmd ioctl_cmds;
676 	struct mpi3mr_drvr_cmd host_tm_cmds;
677 	struct mpi3mr_drvr_cmd dev_rmhs_cmds[MPI3MR_NUM_DEVRMCMD];
678 	struct mpi3mr_drvr_cmd evtack_cmds[MPI3MR_NUM_EVTACKCMD];
679 
680 	U16 devrem_bitmap_sz;
681 	void *devrem_bitmap;
682 
683 	U16 dev_handle_bitmap_sz;
684 	void *removepend_bitmap;
685 
686 	U16 evtack_cmds_bitmap_sz;
687 	void *evtack_cmds_bitmap;
688 
689 	U32 ts_update_counter;
690 	U8 reset_in_progress;
691         U8 unrecoverable;
692         U8 block_ioctls;
693         U8 in_prep_ciactv_rst;
694         U16 prep_ciactv_rst_counter;
695         struct mtx reset_mutex;
696 
697 	U8 prepare_for_reset;
698 	U16 prepare_for_reset_timeout_counter;
699 
700 	U16 diagsave_timeout;
701         int logging_level;
702         U16 flush_io_count;
703 
704         Mpi3DriverInfoLayout_t driver_info;
705 
706 	U16 change_count;
707 
708 	U8 *log_data_buffer;
709 	U16 log_data_buffer_index;
710 	U16 log_data_entry_size;
711 
712         U8 pel_wait_pend;
713         U8 pel_abort_requested;
714         U8 pel_class;
715         U16 pel_locale;
716 
717 	struct mpi3mr_drvr_cmd pel_cmds;
718         struct mpi3mr_drvr_cmd pel_abort_cmd;
719         U32 newest_seqnum;
720         void *pel_seq_number;
721         bus_addr_t pel_seq_number_dma;
722 	bus_dma_tag_t pel_seq_num_dmatag;
723 	bus_dmamap_t pel_seq_num_dmamap;
724         U32 pel_seq_number_sz;
725 
726 	struct selinfo mpi3mr_select;
727 	U32 mpi3mr_poll_waiting;
728 	U32 mpi3mr_aen_triggered;
729 
730 	U16 wait_for_port_enable;
731 	U16 track_mapping_events;
732 	U16 pending_map_events;
733 	mpi3mr_atomic_t fw_outstanding;
734 	mpi3mr_atomic_t pend_ioctls;
735 	struct proc *watchdog_thread;
736 	void   *watchdog_chan;
737 	void   *tm_chan;
738 	u_int8_t remove_in_progress;
739 	u_int8_t watchdog_thread_active;
740 	u_int8_t do_timedout_reset;
741 	bool allow_ios;
742 	bool secure_ctrl;
743 	mpi3mr_atomic_t pend_large_data_sz;
744 
745 	u_int32_t io_throttle_data_length;
746 	u_int32_t io_throttle_high;
747 	u_int32_t io_throttle_low;
748 	u_int16_t num_io_throttle_group;
749 	u_int iot_enable;
750 	struct mpi3mr_throttle_group_info *throttle_groups;
751 
752 	struct dma_memory_desc ioctl_sge[MPI3MR_NUM_IOCTL_SGE];
753 	struct dma_memory_desc ioctl_chain_sge;
754 	struct dma_memory_desc ioctl_resp_sge;
755 	bool ioctl_sges_allocated;
756 };
757 
758 static __inline uint64_t
759 mpi3mr_regread64(struct mpi3mr_softc *sc, uint32_t offset)
760 {
761 	return bus_space_read_8(sc->mpi3mr_btag, sc->mpi3mr_bhandle, offset);
762 }
763 
764 static __inline void
765 mpi3mr_regwrite64(struct mpi3mr_softc *sc, uint32_t offset, uint64_t val)
766 {
767 	bus_space_write_8(sc->mpi3mr_btag, sc->mpi3mr_bhandle, offset, val);
768 }
769 
770 static __inline uint32_t
771 mpi3mr_regread(struct mpi3mr_softc *sc, uint32_t offset)
772 {
773 	return bus_space_read_4(sc->mpi3mr_btag, sc->mpi3mr_bhandle, offset);
774 }
775 
776 static __inline void
777 mpi3mr_regwrite(struct mpi3mr_softc *sc, uint32_t offset, uint32_t val)
778 {
779 	bus_space_write_4(sc->mpi3mr_btag, sc->mpi3mr_bhandle, offset, val);
780 }
781 
782 #define MPI3MR_INFO	(1 << 0)	/* Basic info */
783 #define MPI3MR_FAULT	(1 << 1)	/* Hardware faults */
784 #define MPI3MR_EVENT	(1 << 2)	/* Event data from the controller */
785 #define MPI3MR_LOG	(1 << 3)	/* Log data from the controller */
786 #define MPI3MR_RECOVERY	(1 << 4)	/* Command error recovery tracing */
787 #define MPI3MR_ERROR	(1 << 5)	/* Fatal driver/OS APIs failure */
788 #define MPI3MR_XINFO	(1 << 6)	/* Additional info logs*/
789 #define MPI3MR_TRACE	(1 << 7)	/* Trace functions */
790 #define MPI3MR_IOT	(1 << 8)	/* IO throttling related debugs */
791 #define MPI3MR_DEBUG_TM	(1 << 9)	/* Task management related debugs */
792 #define MPI3MR_DEBUG_IOCTL	(1 << 10)	/* IOCTL related debugs */
793 
794 #define mpi3mr_printf(sc, args...)				\
795 	device_printf((sc)->mpi3mr_dev, ##args)
796 
797 #define mpi3mr_print_field(sc, msg, args...)		\
798 	printf("\t" msg, ##args)
799 
800 #define mpi3mr_vprintf(sc, args...)			\
801 do {							\
802 	if (bootverbose)				\
803 		mpi3mr_printf(sc, ##args);			\
804 } while (0)
805 
806 #define mpi3mr_dprint(sc, level, msg, args...)		\
807 do {							\
808 	if ((sc)->mpi3mr_debug & (level))			\
809 		device_printf((sc)->mpi3mr_dev, msg, ##args);	\
810 } while (0)
811 
812 #define MPI3MR_PRINTFIELD_START(sc, tag...)	\
813 	mpi3mr_printf((sc), ##tag);		\
814 	mpi3mr_print_field((sc), ":\n")
815 #define MPI3MR_PRINTFIELD_END(sc, tag)		\
816 	mpi3mr_printf((sc), tag "\n")
817 #define MPI3MR_PRINTFIELD(sc, facts, attr, fmt)	\
818 	mpi3mr_print_field((sc), #attr ": " #fmt "\n", (facts)->attr)
819 
820 #define mpi3mr_kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
821     kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
822 #define mpi3mr_kproc_exit(arg)	kproc_exit(arg)
823 
824 #if defined(CAM_PRIORITY_XPT)
825 #define MPI3MR_PRIORITY_XPT	CAM_PRIORITY_XPT
826 #else
827 #define MPI3MR_PRIORITY_XPT	5
828 #endif
829 
830 static __inline void
831 mpi3mr_clear_bit(int b, volatile void *p)
832 {
833 	atomic_clear_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f));
834 }
835 
836 static __inline void
837 mpi3mr_set_bit(int b, volatile void *p)
838 {
839 	atomic_set_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f));
840 }
841 
842 static __inline int
843 mpi3mr_test_bit(int b, volatile void *p)
844 {
845 	return ((volatile int *)p)[b >> 5] & (1 << (b & 0x1f));
846 }
847 
848 static __inline int
849 mpi3mr_test_and_set_bit(int b, volatile void *p)
850 {
851 	int ret = ((volatile int *)p)[b >> 5] & (1 << (b & 0x1f));
852 
853 	atomic_set_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f));
854 	return ret;
855 }
856 
857 static __inline int
858 mpi3mr_find_first_zero_bit(void *p, int bit_count)
859 {
860 	int i, sz, j=0;
861 	U8 *loc;
862 
863 	sz = bit_count % 8 ? (bit_count / 8 + 1) : (bit_count / 8);
864 	loc = malloc(sz, M_MPI3MR, M_NOWAIT | M_ZERO);
865 
866 	memcpy(loc, p, sz);
867 
868 	for (i = 0; i < sz; i++) {
869 		j = 0;
870 		while (j < 8) {
871 			if (!((loc[i] >> j) & 0x1))
872 				goto out;
873 			j++;
874 		}
875 	}
876 out:
877 	free(loc, M_MPI3MR);
878 	return (i + j);
879 }
880 
881 #define MPI3MR_DIV_ROUND_UP(n,d)       (((n) + (d) - 1) / (d))
882 
883 void
884 init_completion(struct completion *completion);
885 
886 void
887 complete(struct completion *completion);
888 
889 void wait_for_completion_timeout(struct completion *completion,
890 	    U32 timeout);
891 void wait_for_completion_timeout_tm(struct completion *completion,
892 	    U32 timeout, struct mpi3mr_softc *sc);
893 void mpi3mr_add_sg_single(void *paddr, U8 flags, U32 length,
894     bus_addr_t dma_addr);
895 void mpi3mr_enable_interrupts(struct mpi3mr_softc *sc);
896 void mpi3mr_disable_interrupts(struct mpi3mr_softc *sc);
897 void mpi3mr_memaddr_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error);
898 int mpi3mr_submit_admin_cmd(struct mpi3mr_softc *mrioc, void *admin_req,
899     U16 admin_req_sz);
900 int mpi3mr_submit_io(struct mpi3mr_softc *mrioc,
901     struct mpi3mr_op_req_queue *op_req_q, U8 *req);
902 int
903 mpi3mr_alloc_interrupts(struct mpi3mr_softc *sc, U16 setup_one);
904 
905 void mpi3mr_cleanup_ioc(struct mpi3mr_softc *sc);
906 int mpi3mr_initialize_ioc(struct mpi3mr_softc *sc, U8 reason);
907 void mpi3mr_build_zero_len_sge(void *paddr);
908 int mpi3mr_issue_event_notification(struct mpi3mr_softc *sc);
909 int
910 mpi3mr_register_events(struct mpi3mr_softc *sc);
911 void mpi3mr_process_op_reply_desc(struct mpi3mr_softc *sc,
912     Mpi3DefaultReplyDescriptor_t *reply_desc, U64 *reply_dma);
913 struct mpi3mr_cmd *
914 mpi3mr_get_command(struct mpi3mr_softc *sc);
915 void
916 mpi3mr_release_command(struct mpi3mr_cmd *cmd);
917 int
918 mpi3mr_complete_io_cmd(struct mpi3mr_softc *sc,
919     struct mpi3mr_irq_context *irq_context);
920 int
921 mpi3mr_cam_detach(struct mpi3mr_softc *sc);
922 int
923 mpi3mr_cam_attach(struct mpi3mr_softc *sc);
924 struct mpi3mr_target *
925 mpi3mr_find_target_by_per_id(struct mpi3mr_cam_softc *cam_sc,
926     uint16_t per_id);
927 struct mpi3mr_target *
928 mpi3mr_find_target_by_dev_handle(struct mpi3mr_cam_softc *cam_sc,
929     uint16_t dev_handle);
930 int mpi3mr_create_device(struct mpi3mr_softc *sc,
931     Mpi3DevicePage0_t *dev_pg0);
932 void
933 mpi3mr_unmap_request(struct mpi3mr_softc *sc, struct mpi3mr_cmd *cmd);
934 void
935 init_completion(struct completion *completion);
936 void
937 complete(struct completion *completion);
938 void wait_for_completion_timeout(struct completion *completion,
939 	    U32 timeout);
940 void
941 poll_for_command_completion(struct mpi3mr_softc *sc,
942        struct mpi3mr_drvr_cmd *cmd, U16 wait);
943 int
944 mpi3mr_alloc_requests(struct mpi3mr_softc *sc);
945 void
946 mpi3mr_watchdog(void *arg);
947 int mpi3mr_issue_port_enable(struct mpi3mr_softc *mrioc, U8 async);
948 void
949 mpi3mr_isr(void *privdata);
950 int
951 mpi3mr_alloc_msix_queues(struct mpi3mr_softc *sc);
952 void
953 mpi3mr_destory_mtx(struct mpi3mr_softc *sc);
954 void
955 mpi3mr_free_mem(struct mpi3mr_softc *sc);
956 void
957 mpi3mr_cleanup_interrupts(struct mpi3mr_softc *sc);
958 int mpi3mr_setup_irqs(struct mpi3mr_softc *sc);
959 void mpi3mr_cleanup_event_taskq(struct mpi3mr_softc *sc);
960 void
961 mpi3mr_hexdump(void *buf, int sz, int format);
962 int mpi3mr_soft_reset_handler(struct mpi3mr_softc *sc,
963 	U32 reset_reason, bool snapdump);
964 void
965 mpi3mrsas_release_simq_reinit(struct mpi3mr_cam_softc *cam_sc);
966 void
967 mpi3mr_watchdog_thread(void *arg);
968 void mpi3mr_add_device(struct mpi3mr_softc *sc, U16 per_id);
969 int mpi3mr_remove_device(struct mpi3mr_softc *sc, U16 handle);
970 int
971 mpi3mrsas_register_events(struct mpi3mr_softc *sc);
972 int mpi3mr_process_event_ack(struct mpi3mr_softc *sc, U8 event,
973 	U32 event_ctx);
974 int mpi3mr_remove_device_from_os(struct mpi3mr_softc *sc, U16 handle);
975 void mpi3mr_remove_device_from_list(struct mpi3mr_softc *sc, struct mpi3mr_target *target,
976 				    bool must_delete);
977 void mpi3mr_update_device(struct mpi3mr_softc *mrioc,
978     struct mpi3mr_target *tgtdev, Mpi3DevicePage0_t *dev_pg0, bool is_added);
979 void mpi3mr_app_save_logdata(struct mpi3mr_softc *sc, char *event_data, U16 event_data_size);
980 void mpi3mr_set_io_divert_for_all_vd_in_tg(struct mpi3mr_softc *sc,
981 	struct mpi3mr_throttle_group_info *tg, U8 divert_value);
982 enum mpi3mr_iocstate mpi3mr_get_iocstate(struct mpi3mr_softc *sc);
983 void mpi3mr_poll_pend_io_completions(struct mpi3mr_softc *sc);
984 void int_to_lun(unsigned int lun, U8 *req_lun);
985 void trigger_reset_from_watchdog(struct mpi3mr_softc *sc, U8 reset_type, U32 reset_reason);
986 void mpi3mr_alloc_ioctl_dma_memory(struct mpi3mr_softc *sc);
987 #endif /*MPI3MR_H_INCLUDED*/
988