xref: /freebsd/sys/dev/mpi3mr/mpi3mr.h (revision 315ee00f)
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 #include <sys/types.h>
49 #include <sys/param.h>
50 #include <sys/systm.h>
51 #include <sys/kernel.h>
52 #include <sys/module.h>
53 #include <sys/bus.h>
54 #include <sys/conf.h>
55 #include <sys/malloc.h>
56 #include <sys/sysctl.h>
57 #include <sys/uio.h>
58 #include <sys/selinfo.h>
59 #include <sys/poll.h>
60 
61 #include <sys/lock.h>
62 #include <sys/mutex.h>
63 #include <sys/endian.h>
64 #include <sys/sysent.h>
65 #include <sys/taskqueue.h>
66 #include <sys/smp.h>
67 
68 #include <machine/bus.h>
69 #include <machine/resource.h>
70 #include <sys/rman.h>
71 
72 #include <dev/pci/pcireg.h>
73 #include <dev/pci/pcivar.h>
74 #include <dev/pci/pci_private.h>
75 
76 #include <cam/cam.h>
77 #include <cam/cam_ccb.h>
78 #include <cam/cam_debug.h>
79 #include <cam/cam_sim.h>
80 #include <cam/cam_xpt_sim.h>
81 #include <cam/cam_xpt_periph.h>
82 #include <cam/cam_periph.h>
83 #include <cam/scsi/scsi_all.h>
84 #include <cam/scsi/scsi_message.h>
85 
86 #include <cam/scsi/smp_all.h>
87 #include <sys/queue.h>
88 #include <sys/kthread.h>
89 #include "mpi/mpi30_api.h"
90 
91 #define MPI3MR_DRIVER_VERSION	"8.6.0.2.0"
92 #define MPI3MR_DRIVER_RELDATE	"17th May 2023"
93 
94 #define MPI3MR_DRIVER_NAME	"mpi3mr"
95 
96 #define MPI3MR_NAME_LENGTH	32
97 #define IOCNAME			"%s: "
98 
99 #define SAS4116_CHIP_REV_A0	0
100 #define SAS4116_CHIP_REV_B0	1
101 
102 #define MPI3MR_SG_DEPTH		(MPI3MR_4K_PGSZ/sizeof(Mpi3SGESimple_t))
103 #define MPI3MR_MAX_SECTORS	2048
104 #define MPI3MR_MAX_CMDS_LUN	7
105 #define MPI3MR_MAX_CDB_LENGTH	16
106 #define MPI3MR_MAX_LUN 		16895
107 
108 #define MPI3MR_SATA_QDEPTH	32
109 #define MPI3MR_SAS_QDEPTH	64
110 #define MPI3MR_RAID_QDEPTH	128
111 #define MPI3MR_NVME_QDEPTH	128
112 
113 #define MPI3MR_4K_PGSZ 		4096
114 #define MPI3MR_AREQQ_SIZE	(2 * MPI3MR_4K_PGSZ)
115 #define MPI3MR_AREPQ_SIZE	(4 * MPI3MR_4K_PGSZ)
116 #define MPI3MR_AREQ_FRAME_SZ	128
117 #define MPI3MR_AREP_FRAME_SZ	16
118 
119 #define MPI3MR_OPREQQ_SIZE	(8 * MPI3MR_4K_PGSZ)
120 #define MPI3MR_OPREPQ_SIZE	(4 * MPI3MR_4K_PGSZ)
121 
122 /* Operational queue management definitions */
123 #define MPI3MR_OP_REQ_Q_QD		512
124 #define MPI3MR_OP_REP_Q_QD		1024
125 #define MPI3MR_OP_REP_Q_QD_A0		4096
126 
127 #define MPI3MR_CHAINSGE_SIZE	MPI3MR_4K_PGSZ
128 
129 #define MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST	\
130 	(MPI3_SGE_FLAGS_ELEMENT_TYPE_SIMPLE | MPI3_SGE_FLAGS_DLAS_SYSTEM | \
131 	 MPI3_SGE_FLAGS_END_OF_LIST)
132 
133 #define MPI3MR_HOSTTAG_INVALID          0xFFFF
134 #define MPI3MR_HOSTTAG_INITCMDS         1
135 #define MPI3MR_HOSTTAG_IOCTLCMDS        2
136 #define MPI3MR_HOSTTAG_PELABORT         3
137 #define MPI3MR_HOSTTAG_PELWAIT          4
138 #define MPI3MR_HOSTTAG_TMS		5
139 
140 #define MAX_MGMT_ADAPTERS 8
141 #define MPI3MR_WAIT_BEFORE_CTRL_RESET 5
142 
143 
144 struct mpi3mr_mgmt_info {
145 	uint16_t count;
146 	struct mpi3mr_softc *sc_ptr[MAX_MGMT_ADAPTERS];
147 	int max_index;
148 };
149 
150 extern char fmt_os_ver[16];
151 
152 #define MPI3MR_OS_VERSION(raw_os_ver, fmt_os_ver)	sprintf(raw_os_ver, "%d", __FreeBSD_version); \
153 							sprintf(fmt_os_ver, "%c%c.%c%c.%c%c%c",\
154 								raw_os_ver[0], raw_os_ver[1], raw_os_ver[2],\
155 								raw_os_ver[3], raw_os_ver[4], raw_os_ver[5],\
156 								raw_os_ver[6]);
157 #define MPI3MR_NUM_DEVRMCMD             1
158 #define MPI3MR_HOSTTAG_DEVRMCMD_MIN     (MPI3MR_HOSTTAG_TMS + 1)
159 #define MPI3MR_HOSTTAG_DEVRMCMD_MAX     (MPI3MR_HOSTTAG_DEVRMCMD_MIN + \
160                                                 MPI3MR_NUM_DEVRMCMD - 1)
161 #define MPI3MR_INTERNALCMDS_RESVD       MPI3MR_HOSTTAG_DEVRMCMD_MAX
162 
163 #define MPI3MR_NUM_EVTACKCMD		4
164 #define MPI3MR_HOSTTAG_EVTACKCMD_MIN	(MPI3MR_HOSTTAG_DEVRMCMD_MAX + 1)
165 #define MPI3MR_HOSTTAG_EVTACKCMD_MAX	(MPI3MR_HOSTTAG_EVTACKCMD_MIN + \
166 						MPI3MR_NUM_EVTACKCMD - 1)
167 
168 /* command/controller interaction timeout definitions in seconds */
169 #define MPI3MR_INTADMCMD_TIMEOUT		60
170 #define MPI3MR_PORTENABLE_TIMEOUT		300
171 #define MPI3MR_ABORTTM_TIMEOUT			60
172 #define MPI3MR_RESETTM_TIMEOUT			60
173 #define MPI3MR_TSUPDATE_INTERVAL		900
174 #define MPI3MR_DEFAULT_SHUTDOWN_TIME		120
175 #define	MPI3MR_RAID_ERRREC_RESET_TIMEOUT	180
176 #define	MPI3MR_RESET_HOST_IOWAIT_TIMEOUT	5
177 #define	MPI3MR_PREPARE_FOR_RESET_TIMEOUT	180
178 #define MPI3MR_RESET_ACK_TIMEOUT		30
179 #define MPI3MR_MUR_TIMEOUT			120
180 
181 #define MPI3MR_CMD_NOTUSED	0x8000
182 #define MPI3MR_CMD_COMPLETE	0x0001
183 #define MPI3MR_CMD_PENDING	0x0002
184 #define MPI3MR_CMD_REPLYVALID	0x0004
185 #define MPI3MR_CMD_RESET	0x0008
186 
187 #define MPI3MR_NUM_EVTREPLIES	64
188 #define MPI3MR_SENSEBUF_SZ	256
189 #define MPI3MR_SENSEBUF_FACTOR	3
190 #define MPI3MR_CHAINBUF_FACTOR	3
191 
192 #define MPT3SAS_HOSTPGSZ_4KEXP 12
193 
194 #define MPI3MR_INVALID_DEV_HANDLE 0xFFFF
195 
196 /* Controller Reset related definitions */
197 #define MPI3MR_HOSTDIAG_UNLOCK_RETRY_COUNT	5
198 #define MPI3MR_MAX_SHUTDOWN_RETRY_COUNT		2
199 
200 /* ResponseCode values */
201 #define MPI3MR_RI_MASK_RESPCODE		(0x000000FF)
202 #define MPI3MR_RSP_TM_COMPLETE		0x00
203 #define MPI3MR_RSP_INVALID_FRAME	0x02
204 #define MPI3MR_RSP_TM_NOT_SUPPORTED	0x04
205 #define MPI3MR_RSP_TM_FAILED		0x05
206 #define MPI3MR_RSP_TM_SUCCEEDED		0x08
207 #define MPI3MR_RSP_TM_INVALID_LUN	0x09
208 #define MPI3MR_RSP_TM_OVERLAPPED_TAG	0x0A
209 #define MPI3MR_RSP_IO_QUEUED_ON_IOC \
210 			MPI3_SCSITASKMGMT_RSPCODE_IO_QUEUED_ON_IOC
211 
212 /* Definitions for the controller security status*/
213 #define MPI3MR_CTLR_SECURITY_STATUS_MASK        0x0C
214 #define MPI3MR_CTLR_SECURE_DBG_STATUS_MASK      0x02
215 
216 #define MPI3MR_INVALID_DEVICE                   0x00
217 #define MPI3MR_CONFIG_SECURE_DEVICE             0x04
218 #define MPI3MR_HARD_SECURE_DEVICE               0x08
219 #define MPI3MR_TAMPERED_DEVICE			0x0C
220 
221 #define MPI3MR_DEFAULT_MDTS	(128 * 1024)
222 #define MPI3MR_DEFAULT_PGSZEXP	(12)
223 #define MPI3MR_MAX_IOCTL_TRANSFER_SIZE (1024 * 1024)
224 
225 #define MPI3MR_DEVRMHS_RETRYCOUNT 3
226 #define MPI3MR_PELCMDS_RETRYCOUNT 3
227 
228 #define MPI3MR_PERIODIC_DELAY	1	/* 1 second heartbeat/watchdog check */
229 
230 struct completion {
231 	unsigned int done;
232 	struct mtx lock;
233 };
234 
235 typedef union {
236 	volatile unsigned int val;
237 	unsigned int val_rdonly;
238 } mpi3mr_atomic_t;
239 
240 #define	mpi3mr_atomic_read(v)	atomic_load_acq_int(&(v)->val)
241 #define	mpi3mr_atomic_set(v,i)	atomic_store_rel_int(&(v)->val, i)
242 #define	mpi3mr_atomic_dec(v)	atomic_subtract_int(&(v)->val, 1)
243 #define	mpi3mr_atomic_inc(v)	atomic_add_int(&(v)->val, 1)
244 #define	mpi3mr_atomic_add(v, u)	atomic_add_int(&(v)->val, u)
245 #define	mpi3mr_atomic_sub(v, u)	atomic_subtract_int(&(v)->val, u)
246 
247 /* IOCTL data transfer sge*/
248 #define MPI3MR_NUM_IOCTL_SGE		256
249 #define MPI3MR_IOCTL_SGE_SIZE		(8 * 1024)
250 
251 struct dma_memory_desc {
252 	U32 size;
253 	void *addr;
254 	bus_dma_tag_t tag;
255 	bus_dmamap_t dmamap;
256 	bus_addr_t dma_addr;
257 };
258 
259 enum mpi3mr_iocstate {
260         MRIOC_STATE_READY = 1,
261         MRIOC_STATE_RESET,
262         MRIOC_STATE_FAULT,
263         MRIOC_STATE_BECOMING_READY,
264         MRIOC_STATE_RESET_REQUESTED,
265         MRIOC_STATE_UNRECOVERABLE,
266         MRIOC_STATE_COUNT,
267 };
268 
269 /* Init type definitions */
270 enum mpi3mr_init_type {
271 	MPI3MR_INIT_TYPE_INIT = 0,
272 	MPI3MR_INIT_TYPE_RESET,
273 	MPI3MR_INIT_TYPE_RESUME,
274 };
275 
276 /* Reset reason code definitions*/
277 enum mpi3mr_reset_reason {
278 	MPI3MR_RESET_FROM_BRINGUP = 1,
279 	MPI3MR_RESET_FROM_FAULT_WATCH = 2,
280 	MPI3MR_RESET_FROM_IOCTL = 3,
281 	MPI3MR_RESET_FROM_EH_HOS = 4,
282 	MPI3MR_RESET_FROM_TM_TIMEOUT = 5,
283 	MPI3MR_RESET_FROM_IOCTL_TIMEOUT = 6,
284 	MPI3MR_RESET_FROM_MUR_FAILURE = 7,
285 	MPI3MR_RESET_FROM_CTLR_CLEANUP = 8,
286 	MPI3MR_RESET_FROM_CIACTIV_FAULT = 9,
287 	MPI3MR_RESET_FROM_PE_TIMEOUT = 10,
288 	MPI3MR_RESET_FROM_TSU_TIMEOUT = 11,
289 	MPI3MR_RESET_FROM_DELREQQ_TIMEOUT = 12,
290 	MPI3MR_RESET_FROM_DELREPQ_TIMEOUT = 13,
291 	MPI3MR_RESET_FROM_CREATEREPQ_TIMEOUT = 14,
292 	MPI3MR_RESET_FROM_CREATEREQQ_TIMEOUT = 15,
293 	MPI3MR_RESET_FROM_IOCFACTS_TIMEOUT = 16,
294 	MPI3MR_RESET_FROM_IOCINIT_TIMEOUT = 17,
295 	MPI3MR_RESET_FROM_EVTNOTIFY_TIMEOUT = 18,
296 	MPI3MR_RESET_FROM_EVTACK_TIMEOUT = 19,
297 	MPI3MR_RESET_FROM_CIACTVRST_TIMER = 20,
298 	MPI3MR_RESET_FROM_GETPKGVER_TIMEOUT = 21,
299 	MPI3MR_RESET_FROM_PELABORT_TIMEOUT = 22,
300 	MPI3MR_RESET_FROM_SYSFS = 23,
301 	MPI3MR_RESET_FROM_SYSFS_TIMEOUT = 24,
302 	MPI3MR_RESET_FROM_DIAG_BUFFER_POST_TIMEOUT = 25,
303 	MPI3MR_RESET_FROM_SCSIIO_TIMEOUT = 26,
304 	MPI3MR_RESET_FROM_FIRMWARE = 27,
305 	MPI3MR_DEFAULT_RESET_REASON = 28,
306 	MPI3MR_RESET_REASON_COUNT,
307 };
308 
309 struct mpi3mr_compimg_ver
310 {
311         U16 build_num;
312         U16 cust_id;
313         U8 ph_minor;
314         U8 ph_major;
315         U8 gen_minor;
316         U8 gen_major;
317 };
318 
319 struct mpi3mr_ioc_facts
320 {
321         U32 ioc_capabilities;
322         struct mpi3mr_compimg_ver fw_ver;
323         U32 mpi_version;
324         U16 max_reqs;
325         U16 product_id;
326         U16 op_req_sz;
327 	U16 reply_sz;
328         U16 exceptions;
329         U16 max_perids;
330         U16 max_pds;
331         U16 max_sasexpanders;
332         U16 max_sasinitiators;
333         U16 max_enclosures;
334         U16 max_pcieswitches;
335         U16 max_nvme;
336         U16 max_vds;
337         U16 max_hpds;
338         U16 max_advhpds;
339         U16 max_raidpds;
340         U16 min_devhandle;
341         U16 max_devhandle;
342 	U16 max_op_req_q;
343 	U16 max_op_reply_q;
344         U16 shutdown_timeout;
345         U8 ioc_num;
346         U8 who_init;
347 	U16 max_msix_vectors;
348         U8 personality;
349 	U8 dma_mask;
350         U8 protocol_flags;
351         U8 sge_mod_mask;
352         U8 sge_mod_value;
353         U8 sge_mod_shift;
354 	U8 max_dev_per_tg;
355 	U16 max_io_throttle_group;
356 	U16 io_throttle_data_length;
357 	U16 io_throttle_low;
358 	U16 io_throttle_high;
359 };
360 
361 struct mpi3mr_op_req_queue {
362 	U16 ci;
363 	U16 pi;
364 	U16 num_reqs;
365 	U8  qid;
366 	U8  reply_qid;
367 	U32 qsz;
368 	void *q_base;
369 	bus_dma_tag_t q_base_tag;
370 	bus_dmamap_t q_base_dmamap;
371 	bus_addr_t q_base_phys;
372 	struct mtx q_lock;
373 };
374 
375 struct mpi3mr_op_reply_queue {
376 	U16 ci;
377 	U8 ephase;
378 	U8 qid;
379 	U16 num_replies;
380 	U32 qsz;
381 	bus_dma_tag_t q_base_tag;
382 	bus_dmamap_t q_base_dmamap;
383 	void *q_base;
384 	bus_addr_t q_base_phys;
385 	mpi3mr_atomic_t pend_ios;
386 	bool in_use;
387 	struct mtx q_lock;
388 };
389 
390 struct irq_info {
391 	MPI3_REPLY_DESCRIPTORS_UNION	*post_queue;
392 	bus_dma_tag_t			buffer_dmat;
393 	struct resource			*irq;
394 	void				*intrhand;
395 	int				irq_rid;
396 };
397 
398 struct mpi3mr_irq_context {
399 	struct mpi3mr_softc *sc;
400 	U16 msix_index;
401 	struct mpi3mr_op_reply_queue *op_reply_q;
402 	char name[MPI3MR_NAME_LENGTH];
403 	struct irq_info irq_info;
404 };
405 
406 MALLOC_DECLARE(M_MPI3MR);
407 SYSCTL_DECL(_hw_mpi3mr);
408 
409 typedef struct mpi3mr_drvr_cmd DRVR_CMD;
410 typedef void (*DRVR_CMD_CALLBACK)(struct mpi3mr_softc *mrioc, DRVR_CMD *drvrcmd);
411 struct mpi3mr_drvr_cmd {
412 	struct mtx lock;
413 	struct completion completion;
414 	void *reply;
415 	U8 *sensebuf;
416 	U8 iou_rc;
417 	U16 state;
418 	U16 dev_handle;
419 	U16 ioc_status;
420 	U32 ioc_loginfo;
421 	U8 is_waiting;
422 	U8 is_senseprst;
423 	U8 retry_count;
424 	U16 host_tag;
425 	DRVR_CMD_CALLBACK callback;
426 };
427 
428 struct mpi3mr_cmd;
429 typedef void mpi3mr_evt_callback_t(struct mpi3mr_softc *, uintptr_t,
430 	Mpi3EventNotificationReply_t *reply);
431 typedef void mpi3mr_cmd_callback_t(struct mpi3mr_softc *,
432 	struct mpi3mr_cmd *cmd);
433 
434 #define       MPI3MR_IOVEC_COUNT 2
435 
436 enum mpi3mr_data_xfer_direction {
437 	MPI3MR_READ = 1,
438 	MPI3MR_WRITE,
439 };
440 
441 enum mpi3mr_cmd_state {
442 	MPI3MR_CMD_STATE_FREE = 1,
443 	MPI3MR_CMD_STATE_BUSY,
444 	MPI3MR_CMD_STATE_IN_QUEUE,
445 	MPI3MR_CMD_STATE_IN_TM,
446 };
447 
448 enum mpi3mr_target_state {
449 	MPI3MR_DEV_CREATED = 1,
450 	MPI3MR_DEV_REMOVE_HS_STARTED = 2,
451 	MPI3MR_DEV_DELETED = 3,
452 };
453 
454 struct mpi3mr_cmd {
455 	TAILQ_ENTRY(mpi3mr_cmd) 	next;
456 	struct mpi3mr_softc		*sc;
457 	union ccb			*ccb;
458 	void				*data;
459 	u_int				length;
460 	u_int				out_len;
461 	struct uio			uio;
462 	struct iovec			iovec[MPI3MR_IOVEC_COUNT];
463 	u_int				max_segs;
464 	struct mpi3mr_target		*targ;
465 	u_int	                	lun;
466 	u_int				data_dir;
467 	u_int				state;
468 	bus_dmamap_t			dmamap;
469 	struct scsi_sense_data		*sense;
470 	struct callout			callout;
471 	bool				callout_owner;
472 	mpi3mr_cmd_callback_t		*timeout_handler;
473 	U16				hosttag;
474 	U8				req_qidx;
475 	Mpi3SCSIIORequest_t		io_request;
476 	int				error_code;
477 };
478 
479 struct mpi3mr_chain {
480 	bus_dmamap_t buf_dmamap;
481 	void *buf;
482 	bus_addr_t buf_phys;
483 };
484 
485 struct mpi3mr_event_handle {
486 	TAILQ_ENTRY(mpi3mr_event_handle)	eh_list;
487 	mpi3mr_evt_callback_t		*callback;
488 	void				*data;
489 	uint8_t				mask[16];
490 };
491 
492 struct mpi3mr_fw_event_work {
493 	U16			event;
494 	void			*event_data;
495 	TAILQ_ENTRY(mpi3mr_fw_event_work)	ev_link;
496 	U8			send_ack;
497 	U8			process_event;
498 	U32			event_context;
499 	U16			event_data_size;
500 };
501 
502 /**
503  * struct delayed_dev_rmhs_node - Delayed device removal node
504  *
505  * @list: list head
506  * @handle: Device handle
507  * @iou_rc: IO Unit Control Reason Code
508  */
509 struct delayed_dev_rmhs_node {
510 	TAILQ_ENTRY(delayed_dev_rmhs_node) list;
511 	U16 handle;
512 	U8 iou_rc;
513 };
514 
515 /**
516  * struct delayed_evtack_node - Delayed event ack node
517  *
518  * @list: list head
519  * @event: MPI3 event ID
520  * @event_ctx: Event context
521  */
522 struct delayed_evtack_node {
523 	TAILQ_ENTRY(delayed_evtack_node) list;
524 	U8 event;
525 	U32 event_ctx;
526 };
527 
528 /* Reset types */
529 enum reset_type {
530 	MPI3MR_NO_RESET,
531 	MPI3MR_TRIGGER_SOFT_RESET,
532 };
533 
534 struct mpi3mr_reset {
535 	u_int type;
536 	U32 reason;
537 	int status;
538 	bool ioctl_reset_snapdump;
539 };
540 
541 struct mpi3mr_softc {
542 	device_t mpi3mr_dev;
543 	struct cdev *mpi3mr_cdev;
544 	u_int mpi3mr_flags;
545 #define MPI3MR_FLAGS_SHUTDOWN		(1 << 0)
546 #define MPI3MR_FLAGS_DIAGRESET		(1 << 1)
547 #define	MPI3MR_FLAGS_ATTACH_DONE	(1 << 2)
548 #define	MPI3MR_FLAGS_PORT_ENABLE_DONE	(1 << 3)
549 	U8 id;
550 	int cpu_count;
551 	char name[MPI3MR_NAME_LENGTH];
552 	char driver_name[MPI3MR_NAME_LENGTH];
553 	int bars;
554 	int dma_mask;
555 	u_int mpi3mr_debug;
556 	struct mpi3mr_reset reset;
557 	int max_msix_vectors;
558 	int msix_count;
559 	bool  msix_enable;
560 	int io_cmds_highwater;
561 	int max_chains;
562 	uint32_t chain_frame_size;
563 	struct sysctl_ctx_list sysctl_ctx;
564 	struct sysctl_oid *sysctl_tree;
565 	char fw_version[16];
566 	char msg_version[8];
567 	struct mpi3mr_chain *chains;
568 	struct callout periodic;
569 	struct callout device_check_callout;
570 
571 	struct mpi3mr_cam_softc	*cam_sc;
572 	struct mpi3mr_cmd **cmd_list;
573 	TAILQ_HEAD(, mpi3mr_cmd) cmd_list_head;
574 	struct mtx cmd_pool_lock;
575 
576 	struct resource			*mpi3mr_regs_resource;
577 	bus_space_handle_t		mpi3mr_bhandle;
578 	bus_space_tag_t			mpi3mr_btag;
579 	int				mpi3mr_regs_rid;
580 
581 	bus_dma_tag_t			mpi3mr_parent_dmat;
582 	bus_dma_tag_t			buffer_dmat;
583 
584 	int				num_reqs;
585 	int				num_replies;
586 	int				num_chains;
587 
588 	TAILQ_HEAD(, mpi3mr_event_handle)	event_list;
589 	struct mpi3mr_event_handle		*mpi3mr_log_eh;
590 	struct intr_config_hook		mpi3mr_ich;
591 
592 	struct mtx mpi3mr_mtx;
593 	struct mtx io_lock;
594 	U8 intr_enabled;
595 	TAILQ_HEAD(, delayed_dev_rmhs_node) delayed_rmhs_list;
596 	TAILQ_HEAD(, delayed_evtack_node) delayed_evtack_cmds_list;
597 
598 	U16 num_admin_reqs;
599 	U32 admin_req_q_sz;
600 	U16 admin_req_pi;
601 	U16 admin_req_ci;
602 	bus_dma_tag_t admin_req_tag;
603 	bus_dmamap_t admin_req_dmamap;
604 	bus_addr_t admin_req_phys;
605 	U8 *admin_req;
606 	struct mtx admin_req_lock;
607 
608 	U16 num_admin_replies;
609 	U32 admin_reply_q_sz;
610 	U16 admin_reply_ci;
611 	U8 admin_reply_ephase;
612 	bus_dma_tag_t admin_reply_tag;
613 	bus_dmamap_t admin_reply_dmamap;
614 	bus_addr_t admin_reply_phys;
615 	U8 *admin_reply;
616 	struct mtx admin_reply_lock;
617 	bool admin_in_use;
618 
619 	U32 num_reply_bufs;
620 	bus_dma_tag_t			reply_buf_tag;
621 	bus_dmamap_t			reply_buf_dmamap;
622 	bus_addr_t			reply_buf_phys;
623 	U8				*reply_buf;
624 	bus_addr_t			reply_buf_dma_max_address;
625 	bus_addr_t			reply_buf_dma_min_address;
626 
627 	U16 reply_free_q_sz;
628 	bus_dma_tag_t			reply_free_q_tag;
629 	bus_dmamap_t			reply_free_q_dmamap;
630 	bus_addr_t			reply_free_q_phys;
631 	U64				*reply_free_q;
632 	struct mtx reply_free_q_lock;
633 	U32 reply_free_q_host_index;
634 
635 	U32 num_sense_bufs;
636 	bus_dma_tag_t			sense_buf_tag;
637 	bus_dmamap_t			sense_buf_dmamap;
638 	bus_addr_t			sense_buf_phys;
639 	U8				*sense_buf;
640 
641 	U16 sense_buf_q_sz;
642 	bus_dma_tag_t			sense_buf_q_tag;
643 	bus_dmamap_t			sense_buf_q_dmamap;
644 	bus_addr_t			sense_buf_q_phys;
645 	U64				*sense_buf_q;
646 	struct mtx sense_buf_q_lock;
647 	U32 sense_buf_q_host_index;
648 
649 	void				*nvme_encap_prp_list;
650 	bus_addr_t			nvme_encap_prp_list_dma;
651 	bus_dma_tag_t			nvme_encap_prp_list_dmatag;
652 	bus_dmamap_t			nvme_encap_prp_list_dma_dmamap;
653 	U32 nvme_encap_prp_sz;
654 
655 	U32 ready_timeout;
656 
657 	struct mpi3mr_irq_context *irq_ctx;
658 
659 	U16 num_queues;		/* Number of request/reply queues */
660 	struct mpi3mr_op_req_queue *op_req_q;
661 	struct mpi3mr_op_reply_queue *op_reply_q;
662 	U16 num_hosttag_op_req_q;
663 
664 	struct mpi3mr_drvr_cmd init_cmds;
665 	struct mpi3mr_ioc_facts facts;
666 	U16 reply_sz;
667 	U16 op_reply_sz;
668 
669 	U32 event_masks[MPI3_EVENT_NOTIFY_EVENTMASK_WORDS];
670 
671 	char fwevt_worker_name[MPI3MR_NAME_LENGTH];
672 	struct workqueue_struct	*fwevt_worker_thread;
673 	struct mtx fwevt_lock;
674 	struct mtx target_lock;
675 
676 	U16 max_host_ios;
677 	bus_dma_tag_t	chain_sgl_list_tag;
678 	struct mpi3mr_chain *chain_sgl_list;
679 	U16  chain_bitmap_sz;
680 	void *chain_bitmap;
681 	struct mtx chain_buf_lock;
682 	U16 chain_buf_count;
683 
684 	struct mpi3mr_drvr_cmd ioctl_cmds;
685 	struct mpi3mr_drvr_cmd host_tm_cmds;
686 	struct mpi3mr_drvr_cmd dev_rmhs_cmds[MPI3MR_NUM_DEVRMCMD];
687 	struct mpi3mr_drvr_cmd evtack_cmds[MPI3MR_NUM_EVTACKCMD];
688 
689 	U16 devrem_bitmap_sz;
690 	void *devrem_bitmap;
691 
692 	U16 dev_handle_bitmap_sz;
693 	void *removepend_bitmap;
694 
695 	U16 evtack_cmds_bitmap_sz;
696 	void *evtack_cmds_bitmap;
697 
698 	U32 ts_update_counter;
699 	U8 reset_in_progress;
700         U8 unrecoverable;
701         U8 block_ioctls;
702         U8 in_prep_ciactv_rst;
703         U16 prep_ciactv_rst_counter;
704         struct mtx reset_mutex;
705 
706 	U8 prepare_for_reset;
707 	U16 prepare_for_reset_timeout_counter;
708 
709 	U16 diagsave_timeout;
710         int logging_level;
711         U16 flush_io_count;
712 
713         Mpi3DriverInfoLayout_t driver_info;
714 
715 	U16 change_count;
716 
717 	U8 *log_data_buffer;
718 	U16 log_data_buffer_index;
719 	U16 log_data_entry_size;
720 
721         U8 pel_wait_pend;
722         U8 pel_abort_requested;
723         U8 pel_class;
724         U16 pel_locale;
725 
726 	struct mpi3mr_drvr_cmd pel_cmds;
727         struct mpi3mr_drvr_cmd pel_abort_cmd;
728         U32 newest_seqnum;
729         void *pel_seq_number;
730         bus_addr_t pel_seq_number_dma;
731 	bus_dma_tag_t pel_seq_num_dmatag;
732 	bus_dmamap_t pel_seq_num_dmamap;
733         U32 pel_seq_number_sz;
734 
735 	struct selinfo mpi3mr_select;
736 	U32 mpi3mr_poll_waiting;
737 	U32 mpi3mr_aen_triggered;
738 
739 	U16 wait_for_port_enable;
740 	U16 track_mapping_events;
741 	U16 pending_map_events;
742 	mpi3mr_atomic_t fw_outstanding;
743 	mpi3mr_atomic_t pend_ioctls;
744 	struct proc *watchdog_thread;
745 	void   *watchdog_chan;
746 	void   *tm_chan;
747 	u_int8_t remove_in_progress;
748 	u_int8_t watchdog_thread_active;
749 	u_int8_t do_timedout_reset;
750 	bool allow_ios;
751 	bool secure_ctrl;
752 	mpi3mr_atomic_t pend_large_data_sz;
753 
754 	u_int32_t io_throttle_data_length;
755 	u_int32_t io_throttle_high;
756 	u_int32_t io_throttle_low;
757 	u_int16_t num_io_throttle_group;
758 	u_int iot_enable;
759 	struct mpi3mr_throttle_group_info *throttle_groups;
760 
761 	struct dma_memory_desc ioctl_sge[MPI3MR_NUM_IOCTL_SGE];
762 	struct dma_memory_desc ioctl_chain_sge;
763 	struct dma_memory_desc ioctl_resp_sge;
764 	bool ioctl_sges_allocated;
765 };
766 
767 static __inline uint64_t
768 mpi3mr_regread64(struct mpi3mr_softc *sc, uint32_t offset)
769 {
770 	return bus_space_read_8(sc->mpi3mr_btag, sc->mpi3mr_bhandle, offset);
771 }
772 
773 static __inline void
774 mpi3mr_regwrite64(struct mpi3mr_softc *sc, uint32_t offset, uint64_t val)
775 {
776 	bus_space_write_8(sc->mpi3mr_btag, sc->mpi3mr_bhandle, offset, val);
777 }
778 
779 static __inline uint32_t
780 mpi3mr_regread(struct mpi3mr_softc *sc, uint32_t offset)
781 {
782 	return bus_space_read_4(sc->mpi3mr_btag, sc->mpi3mr_bhandle, offset);
783 }
784 
785 static __inline void
786 mpi3mr_regwrite(struct mpi3mr_softc *sc, uint32_t offset, uint32_t val)
787 {
788 	bus_space_write_4(sc->mpi3mr_btag, sc->mpi3mr_bhandle, offset, val);
789 }
790 
791 #define MPI3MR_INFO	(1 << 0)	/* Basic info */
792 #define MPI3MR_FAULT	(1 << 1)	/* Hardware faults */
793 #define MPI3MR_EVENT	(1 << 2)	/* Event data from the controller */
794 #define MPI3MR_LOG	(1 << 3)	/* Log data from the controller */
795 #define MPI3MR_RECOVERY	(1 << 4)	/* Command error recovery tracing */
796 #define MPI3MR_ERROR	(1 << 5)	/* Fatal driver/OS APIs failure */
797 #define MPI3MR_XINFO	(1 << 6)	/* Additional info logs*/
798 #define MPI3MR_TRACE	(1 << 7)	/* Trace functions */
799 #define MPI3MR_IOT	(1 << 8)	/* IO throttling related debugs */
800 #define MPI3MR_DEBUG_TM	(1 << 9)	/* Task management related debugs */
801 #define MPI3MR_DEBUG_IOCTL	(1 << 10)	/* IOCTL related debugs */
802 
803 #define mpi3mr_printf(sc, args...)				\
804 	device_printf((sc)->mpi3mr_dev, ##args)
805 
806 #define mpi3mr_print_field(sc, msg, args...)		\
807 	printf("\t" msg, ##args)
808 
809 #define mpi3mr_vprintf(sc, args...)			\
810 do {							\
811 	if (bootverbose)				\
812 		mpi3mr_printf(sc, ##args);			\
813 } while (0)
814 
815 #define mpi3mr_dprint(sc, level, msg, args...)		\
816 do {							\
817 	if ((sc)->mpi3mr_debug & (level))			\
818 		device_printf((sc)->mpi3mr_dev, msg, ##args);	\
819 } while (0)
820 
821 #define MPI3MR_PRINTFIELD_START(sc, tag...)	\
822 	mpi3mr_printf((sc), ##tag);		\
823 	mpi3mr_print_field((sc), ":\n")
824 #define MPI3MR_PRINTFIELD_END(sc, tag)		\
825 	mpi3mr_printf((sc), tag "\n")
826 #define MPI3MR_PRINTFIELD(sc, facts, attr, fmt)	\
827 	mpi3mr_print_field((sc), #attr ": " #fmt "\n", (facts)->attr)
828 
829 #define mpi3mr_kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
830     kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
831 #define mpi3mr_kproc_exit(arg)	kproc_exit(arg)
832 
833 #if defined(CAM_PRIORITY_XPT)
834 #define MPI3MR_PRIORITY_XPT	CAM_PRIORITY_XPT
835 #else
836 #define MPI3MR_PRIORITY_XPT	5
837 #endif
838 
839 static __inline void
840 mpi3mr_clear_bit(int b, volatile void *p)
841 {
842 	atomic_clear_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f));
843 }
844 
845 static __inline void
846 mpi3mr_set_bit(int b, volatile void *p)
847 {
848 	atomic_set_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f));
849 }
850 
851 static __inline int
852 mpi3mr_test_bit(int b, volatile void *p)
853 {
854 	return ((volatile int *)p)[b >> 5] & (1 << (b & 0x1f));
855 }
856 
857 static __inline int
858 mpi3mr_test_and_set_bit(int b, volatile void *p)
859 {
860 	int ret = ((volatile int *)p)[b >> 5] & (1 << (b & 0x1f));
861 
862 	atomic_set_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f));
863 	return ret;
864 }
865 
866 static __inline int
867 mpi3mr_find_first_zero_bit(void *p, int bit_count)
868 {
869 	int i, sz, j=0;
870 	U8 *loc;
871 
872 	sz = bit_count % 8 ? (bit_count / 8 + 1) : (bit_count / 8);
873 	loc = malloc(sz, M_MPI3MR, M_NOWAIT | M_ZERO);
874 
875 	memcpy(loc, p, sz);
876 
877 	for (i = 0; i < sz; i++) {
878 		j = 0;
879 		while (j < 8) {
880 			if (!((loc[i] >> j) & 0x1))
881 				goto out;
882 			j++;
883 		}
884 	}
885 out:
886 	free(loc, M_MPI3MR);
887 	return (i + j);
888 }
889 
890 #define MPI3MR_DIV_ROUND_UP(n,d)       (((n) + (d) - 1) / (d))
891 
892 void
893 init_completion(struct completion *completion);
894 
895 void
896 complete(struct completion *completion);
897 
898 void wait_for_completion_timeout(struct completion *completion,
899 	    U32 timeout);
900 void wait_for_completion_timeout_tm(struct completion *completion,
901 	    U32 timeout, struct mpi3mr_softc *sc);
902 void mpi3mr_add_sg_single(void *paddr, U8 flags, U32 length,
903     bus_addr_t dma_addr);
904 void mpi3mr_enable_interrupts(struct mpi3mr_softc *sc);
905 void mpi3mr_disable_interrupts(struct mpi3mr_softc *sc);
906 void mpi3mr_memaddr_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error);
907 int mpi3mr_submit_admin_cmd(struct mpi3mr_softc *mrioc, void *admin_req,
908     U16 admin_req_sz);
909 int mpi3mr_submit_io(struct mpi3mr_softc *mrioc,
910     struct mpi3mr_op_req_queue *op_req_q, U8 *req);
911 int
912 mpi3mr_alloc_interrupts(struct mpi3mr_softc *sc, U16 setup_one);
913 
914 void mpi3mr_cleanup_ioc(struct mpi3mr_softc *sc);
915 int mpi3mr_initialize_ioc(struct mpi3mr_softc *sc, U8 reason);
916 void mpi3mr_build_zero_len_sge(void *paddr);
917 int mpi3mr_issue_event_notification(struct mpi3mr_softc *sc);
918 int
919 mpi3mr_register_events(struct mpi3mr_softc *sc);
920 void mpi3mr_process_op_reply_desc(struct mpi3mr_softc *sc,
921     Mpi3DefaultReplyDescriptor_t *reply_desc, U64 *reply_dma);
922 struct mpi3mr_cmd *
923 mpi3mr_get_command(struct mpi3mr_softc *sc);
924 void
925 mpi3mr_release_command(struct mpi3mr_cmd *cmd);
926 int
927 mpi3mr_complete_io_cmd(struct mpi3mr_softc *sc,
928     struct mpi3mr_irq_context *irq_context);
929 int
930 mpi3mr_cam_detach(struct mpi3mr_softc *sc);
931 int
932 mpi3mr_cam_attach(struct mpi3mr_softc *sc);
933 struct mpi3mr_target *
934 mpi3mr_find_target_by_per_id(struct mpi3mr_cam_softc *cam_sc,
935     uint16_t per_id);
936 struct mpi3mr_target *
937 mpi3mr_find_target_by_dev_handle(struct mpi3mr_cam_softc *cam_sc,
938     uint16_t dev_handle);
939 int mpi3mr_create_device(struct mpi3mr_softc *sc,
940     Mpi3DevicePage0_t *dev_pg0);
941 void
942 mpi3mr_unmap_request(struct mpi3mr_softc *sc, struct mpi3mr_cmd *cmd);
943 void
944 init_completion(struct completion *completion);
945 void
946 complete(struct completion *completion);
947 void wait_for_completion_timeout(struct completion *completion,
948 	    U32 timeout);
949 void
950 poll_for_command_completion(struct mpi3mr_softc *sc,
951        struct mpi3mr_drvr_cmd *cmd, U16 wait);
952 int
953 mpi3mr_alloc_requests(struct mpi3mr_softc *sc);
954 void
955 mpi3mr_watchdog(void *arg);
956 int mpi3mr_issue_port_enable(struct mpi3mr_softc *mrioc, U8 async);
957 void
958 mpi3mr_isr(void *privdata);
959 int
960 mpi3mr_alloc_msix_queues(struct mpi3mr_softc *sc);
961 void
962 mpi3mr_destory_mtx(struct mpi3mr_softc *sc);
963 void
964 mpi3mr_free_mem(struct mpi3mr_softc *sc);
965 void
966 mpi3mr_cleanup_interrupts(struct mpi3mr_softc *sc);
967 int mpi3mr_setup_irqs(struct mpi3mr_softc *sc);
968 void mpi3mr_cleanup_event_taskq(struct mpi3mr_softc *sc);
969 void
970 mpi3mr_hexdump(void *buf, int sz, int format);
971 int mpi3mr_soft_reset_handler(struct mpi3mr_softc *sc,
972 	U32 reset_reason, bool snapdump);
973 void
974 mpi3mrsas_release_simq_reinit(struct mpi3mr_cam_softc *cam_sc);
975 void
976 mpi3mr_watchdog_thread(void *arg);
977 void mpi3mr_add_device(struct mpi3mr_softc *sc, U16 per_id);
978 int mpi3mr_remove_device(struct mpi3mr_softc *sc, U16 handle);
979 int
980 mpi3mrsas_register_events(struct mpi3mr_softc *sc);
981 int mpi3mr_process_event_ack(struct mpi3mr_softc *sc, U8 event,
982 	U32 event_ctx);
983 int mpi3mr_remove_device_from_os(struct mpi3mr_softc *sc, U16 handle);
984 void mpi3mr_remove_device_from_list(struct mpi3mr_softc *sc, struct mpi3mr_target *target,
985 				    bool must_delete);
986 void mpi3mr_update_device(struct mpi3mr_softc *mrioc,
987     struct mpi3mr_target *tgtdev, Mpi3DevicePage0_t *dev_pg0, bool is_added);
988 void mpi3mr_app_save_logdata(struct mpi3mr_softc *sc, char *event_data, U16 event_data_size);
989 void mpi3mr_set_io_divert_for_all_vd_in_tg(struct mpi3mr_softc *sc,
990 	struct mpi3mr_throttle_group_info *tg, U8 divert_value);
991 enum mpi3mr_iocstate mpi3mr_get_iocstate(struct mpi3mr_softc *sc);
992 void mpi3mr_poll_pend_io_completions(struct mpi3mr_softc *sc);
993 void int_to_lun(unsigned int lun, U8 *req_lun);
994 void trigger_reset_from_watchdog(struct mpi3mr_softc *sc, U8 reset_type, U32 reset_reason);
995 void mpi3mr_alloc_ioctl_dma_memory(struct mpi3mr_softc *sc);
996 #endif /*MPI3MR_H_INCLUDED*/
997