xref: /freebsd/sys/dev/mpi3mr/mpi3mr.h (revision 3f3a1554)
1 /*
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2020-2024, 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	"8.10.0.1.0"
91 #define MPI3MR_DRIVER_RELDATE	"19th Mar 2024"
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_THRESHOLD_REPLY_COUNT	100
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 #define MPI3MR_RESET_REASON_OSTYPE_FREEBSD        0x4
145 #define MPI3MR_RESET_REASON_OSTYPE_SHIFT	  28
146 #define MPI3MR_RESET_REASON_IOCNUM_SHIFT          20
147 
148 struct mpi3mr_mgmt_info {
149 	uint16_t count;
150 	struct mpi3mr_softc *sc_ptr[MAX_MGMT_ADAPTERS];
151 	int max_index;
152 };
153 
154 extern char fmt_os_ver[16];
155 
156 #define MPI3MR_OS_VERSION(raw_os_ver, fmt_os_ver)	sprintf(raw_os_ver, "%d", __FreeBSD_version); \
157 							sprintf(fmt_os_ver, "%c%c.%c%c.%c%c%c",\
158 								raw_os_ver[0], raw_os_ver[1], raw_os_ver[2],\
159 								raw_os_ver[3], raw_os_ver[4], raw_os_ver[5],\
160 								raw_os_ver[6]);
161 #define MPI3MR_NUM_DEVRMCMD             1
162 #define MPI3MR_HOSTTAG_DEVRMCMD_MIN     (MPI3MR_HOSTTAG_TMS + 1)
163 #define MPI3MR_HOSTTAG_DEVRMCMD_MAX     (MPI3MR_HOSTTAG_DEVRMCMD_MIN + \
164                                                 MPI3MR_NUM_DEVRMCMD - 1)
165 #define MPI3MR_INTERNALCMDS_RESVD       MPI3MR_HOSTTAG_DEVRMCMD_MAX
166 
167 #define MPI3MR_NUM_EVTACKCMD		4
168 #define MPI3MR_HOSTTAG_EVTACKCMD_MIN	(MPI3MR_HOSTTAG_DEVRMCMD_MAX + 1)
169 #define MPI3MR_HOSTTAG_EVTACKCMD_MAX	(MPI3MR_HOSTTAG_EVTACKCMD_MIN + \
170 						MPI3MR_NUM_EVTACKCMD - 1)
171 
172 /* command/controller interaction timeout definitions in seconds */
173 #define MPI3MR_INTADMCMD_TIMEOUT		60
174 #define MPI3MR_PORTENABLE_TIMEOUT		300
175 #define MPI3MR_ABORTTM_TIMEOUT			60
176 #define MPI3MR_RESETTM_TIMEOUT			60
177 #define MPI3MR_TSUPDATE_INTERVAL		900
178 #define MPI3MR_DEFAULT_SHUTDOWN_TIME		120
179 #define	MPI3MR_RAID_ERRREC_RESET_TIMEOUT	180
180 #define	MPI3MR_RESET_HOST_IOWAIT_TIMEOUT	5
181 #define	MPI3MR_PREPARE_FOR_RESET_TIMEOUT	180
182 #define MPI3MR_RESET_ACK_TIMEOUT		30
183 #define MPI3MR_MUR_TIMEOUT			120
184 
185 #define MPI3MR_CMD_NOTUSED	0x8000
186 #define MPI3MR_CMD_COMPLETE	0x0001
187 #define MPI3MR_CMD_PENDING	0x0002
188 #define MPI3MR_CMD_REPLYVALID	0x0004
189 #define MPI3MR_CMD_RESET	0x0008
190 
191 #define MPI3MR_NUM_EVTREPLIES	64
192 #define MPI3MR_SENSEBUF_SZ	256
193 #define MPI3MR_SENSEBUF_FACTOR	3
194 #define MPI3MR_CHAINBUF_FACTOR	3
195 
196 #define MPT3SAS_HOSTPGSZ_4KEXP 12
197 
198 #define MPI3MR_INVALID_DEV_HANDLE 0xFFFF
199 
200 /* Controller Reset related definitions */
201 #define MPI3MR_HOSTDIAG_UNLOCK_RETRY_COUNT	5
202 #define MPI3MR_MAX_SHUTDOWN_RETRY_COUNT		2
203 
204 /* ResponseCode values */
205 #define MPI3MR_RI_MASK_RESPCODE		(0x000000FF)
206 #define MPI3MR_RSP_TM_COMPLETE		0x00
207 #define MPI3MR_RSP_INVALID_FRAME	0x02
208 #define MPI3MR_RSP_TM_NOT_SUPPORTED	0x04
209 #define MPI3MR_RSP_TM_FAILED		0x05
210 #define MPI3MR_RSP_TM_SUCCEEDED		0x08
211 #define MPI3MR_RSP_TM_INVALID_LUN	0x09
212 #define MPI3MR_RSP_TM_OVERLAPPED_TAG	0x0A
213 #define MPI3MR_RSP_IO_QUEUED_ON_IOC \
214 			MPI3_SCSITASKMGMT_RSPCODE_IO_QUEUED_ON_IOC
215 
216 /* Definitions for the controller security status*/
217 #define MPI3MR_CTLR_SECURITY_STATUS_MASK        0x0C
218 #define MPI3MR_CTLR_SECURE_DBG_STATUS_MASK      0x02
219 
220 #define MPI3MR_INVALID_DEVICE                   0x00
221 #define MPI3MR_CONFIG_SECURE_DEVICE             0x04
222 #define MPI3MR_HARD_SECURE_DEVICE               0x08
223 #define MPI3MR_TAMPERED_DEVICE			0x0C
224 
225 #define MPI3MR_DEFAULT_MDTS	(128 * 1024)
226 #define MPI3MR_DEFAULT_PGSZEXP	(12)
227 #define MPI3MR_MAX_IOCTL_TRANSFER_SIZE (1024 * 1024)
228 
229 #define MPI3MR_DEVRMHS_RETRYCOUNT 3
230 #define MPI3MR_PELCMDS_RETRYCOUNT 3
231 
232 #define MPI3MR_PERIODIC_DELAY	1	/* 1 second heartbeat/watchdog check */
233 
234 #define	WRITE_SAME_32	0x0d
235 
236 struct completion {
237 	unsigned int done;
238 	struct mtx lock;
239 };
240 
241 typedef union {
242 	volatile unsigned int val;
243 	unsigned int val_rdonly;
244 } mpi3mr_atomic_t;
245 
246 #define	mpi3mr_atomic_read(v)	atomic_load_acq_int(&(v)->val)
247 #define	mpi3mr_atomic_set(v,i)	atomic_store_rel_int(&(v)->val, i)
248 #define	mpi3mr_atomic_dec(v)	atomic_subtract_int(&(v)->val, 1)
249 #define	mpi3mr_atomic_inc(v)	atomic_add_int(&(v)->val, 1)
250 #define	mpi3mr_atomic_add(v, u)	atomic_add_int(&(v)->val, u)
251 #define	mpi3mr_atomic_sub(v, u)	atomic_subtract_int(&(v)->val, u)
252 
253 /* IOCTL data transfer sge*/
254 #define MPI3MR_NUM_IOCTL_SGE		256
255 #define MPI3MR_IOCTL_SGE_SIZE		(8 * 1024)
256 
257 struct dma_memory_desc {
258 	U32 size;
259 	void *addr;
260 	bus_dma_tag_t tag;
261 	bus_dmamap_t dmamap;
262 	bus_addr_t dma_addr;
263 };
264 
265 enum mpi3mr_iocstate {
266         MRIOC_STATE_READY = 1,
267         MRIOC_STATE_RESET,
268         MRIOC_STATE_FAULT,
269         MRIOC_STATE_BECOMING_READY,
270         MRIOC_STATE_RESET_REQUESTED,
271         MRIOC_STATE_UNRECOVERABLE,
272         MRIOC_STATE_COUNT,
273 };
274 
275 /* Init type definitions */
276 enum mpi3mr_init_type {
277 	MPI3MR_INIT_TYPE_INIT = 0,
278 	MPI3MR_INIT_TYPE_RESET,
279 	MPI3MR_INIT_TYPE_RESUME,
280 };
281 
282 /* Reset reason code definitions*/
283 enum mpi3mr_reset_reason {
284 	MPI3MR_RESET_FROM_BRINGUP = 1,
285 	MPI3MR_RESET_FROM_FAULT_WATCH = 2,
286 	MPI3MR_RESET_FROM_IOCTL = 3,
287 	MPI3MR_RESET_FROM_EH_HOS = 4,
288 	MPI3MR_RESET_FROM_TM_TIMEOUT = 5,
289 	MPI3MR_RESET_FROM_IOCTL_TIMEOUT = 6,
290 	MPI3MR_RESET_FROM_MUR_FAILURE = 7,
291 	MPI3MR_RESET_FROM_CTLR_CLEANUP = 8,
292 	MPI3MR_RESET_FROM_CIACTIV_FAULT = 9,
293 	MPI3MR_RESET_FROM_PE_TIMEOUT = 10,
294 	MPI3MR_RESET_FROM_TSU_TIMEOUT = 11,
295 	MPI3MR_RESET_FROM_DELREQQ_TIMEOUT = 12,
296 	MPI3MR_RESET_FROM_DELREPQ_TIMEOUT = 13,
297 	MPI3MR_RESET_FROM_CREATEREPQ_TIMEOUT = 14,
298 	MPI3MR_RESET_FROM_CREATEREQQ_TIMEOUT = 15,
299 	MPI3MR_RESET_FROM_IOCFACTS_TIMEOUT = 16,
300 	MPI3MR_RESET_FROM_IOCINIT_TIMEOUT = 17,
301 	MPI3MR_RESET_FROM_EVTNOTIFY_TIMEOUT = 18,
302 	MPI3MR_RESET_FROM_EVTACK_TIMEOUT = 19,
303 	MPI3MR_RESET_FROM_CIACTVRST_TIMER = 20,
304 	MPI3MR_RESET_FROM_GETPKGVER_TIMEOUT = 21,
305 	MPI3MR_RESET_FROM_PELABORT_TIMEOUT = 22,
306 	MPI3MR_RESET_FROM_SYSFS = 23,
307 	MPI3MR_RESET_FROM_SYSFS_TIMEOUT = 24,
308 	MPI3MR_RESET_FROM_DIAG_BUFFER_POST_TIMEOUT = 25,
309 	MPI3MR_RESET_FROM_SCSIIO_TIMEOUT = 26,
310 	MPI3MR_RESET_FROM_FIRMWARE = 27,
311 	MPI3MR_DEFAULT_RESET_REASON = 28,
312 	MPI3MR_RESET_REASON_COUNT,
313 };
314 
315 struct mpi3mr_compimg_ver
316 {
317         U16 build_num;
318         U16 cust_id;
319         U8 ph_minor;
320         U8 ph_major;
321         U8 gen_minor;
322         U8 gen_major;
323 };
324 
325 struct mpi3mr_ioc_facts
326 {
327         U32 ioc_capabilities;
328         struct mpi3mr_compimg_ver fw_ver;
329         U32 mpi_version;
330         U16 max_reqs;
331         U16 product_id;
332         U16 op_req_sz;
333 	U16 reply_sz;
334         U16 exceptions;
335         U16 max_perids;
336         U16 max_pds;
337         U16 max_sasexpanders;
338         U16 max_sasinitiators;
339         U16 max_enclosures;
340         U16 max_pcieswitches;
341         U16 max_nvme;
342         U16 max_vds;
343         U16 max_hpds;
344         U16 max_advhpds;
345         U16 max_raidpds;
346         U16 min_devhandle;
347         U16 max_devhandle;
348 	U16 max_op_req_q;
349 	U16 max_op_reply_q;
350         U16 shutdown_timeout;
351         U8 ioc_num;
352         U8 who_init;
353 	U16 max_msix_vectors;
354         U8 personality;
355 	U8 dma_mask;
356         U8 protocol_flags;
357         U8 sge_mod_mask;
358         U8 sge_mod_value;
359         U8 sge_mod_shift;
360 	U8 max_dev_per_tg;
361 	U16 max_io_throttle_group;
362 	U16 io_throttle_data_length;
363 	U16 io_throttle_low;
364 	U16 io_throttle_high;
365 };
366 
367 struct mpi3mr_op_req_queue {
368 	U16 ci;
369 	U16 pi;
370 	U16 num_reqs;
371 	U8  qid;
372 	U8  reply_qid;
373 	U32 qsz;
374 	void *q_base;
375 	bus_dma_tag_t q_base_tag;
376 	bus_dmamap_t q_base_dmamap;
377 	bus_addr_t q_base_phys;
378 	struct mtx q_lock;
379 };
380 
381 struct mpi3mr_op_reply_queue {
382 	U16 ci;
383 	U8 ephase;
384 	U8 qid;
385 	U16 num_replies;
386 	U32 qsz;
387 	bus_dma_tag_t q_base_tag;
388 	bus_dmamap_t q_base_dmamap;
389 	void *q_base;
390 	bus_addr_t q_base_phys;
391 	mpi3mr_atomic_t pend_ios;
392 	bool in_use;
393 	struct mtx q_lock;
394 };
395 
396 struct irq_info {
397 	MPI3_REPLY_DESCRIPTORS_UNION	*post_queue;
398 	bus_dma_tag_t			buffer_dmat;
399 	struct resource			*irq;
400 	void				*intrhand;
401 	int				irq_rid;
402 };
403 
404 struct mpi3mr_irq_context {
405 	struct mpi3mr_softc *sc;
406 	U16 msix_index;
407 	struct mpi3mr_op_reply_queue *op_reply_q;
408 	char name[MPI3MR_NAME_LENGTH];
409 	struct irq_info irq_info;
410 };
411 
412 MALLOC_DECLARE(M_MPI3MR);
413 SYSCTL_DECL(_hw_mpi3mr);
414 
415 typedef struct mpi3mr_drvr_cmd DRVR_CMD;
416 typedef void (*DRVR_CMD_CALLBACK)(struct mpi3mr_softc *mrioc, DRVR_CMD *drvrcmd);
417 struct mpi3mr_drvr_cmd {
418 	struct mtx lock;
419 	struct completion completion;
420 	void *reply;
421 	U8 *sensebuf;
422 	U8 iou_rc;
423 	U16 state;
424 	U16 dev_handle;
425 	U16 ioc_status;
426 	U32 ioc_loginfo;
427 	U8 is_waiting;
428 	U8 is_senseprst;
429 	U8 retry_count;
430 	U16 host_tag;
431 	DRVR_CMD_CALLBACK callback;
432 };
433 
434 struct mpi3mr_cmd;
435 typedef void mpi3mr_evt_callback_t(struct mpi3mr_softc *, uintptr_t,
436 	Mpi3EventNotificationReply_t *reply);
437 typedef void mpi3mr_cmd_callback_t(struct mpi3mr_softc *,
438 	struct mpi3mr_cmd *cmd);
439 
440 #define       MPI3MR_IOVEC_COUNT 2
441 
442 enum mpi3mr_data_xfer_direction {
443 	MPI3MR_READ = 1,
444 	MPI3MR_WRITE,
445 };
446 
447 enum mpi3mr_cmd_state {
448 	MPI3MR_CMD_STATE_FREE = 1,
449 	MPI3MR_CMD_STATE_BUSY,
450 	MPI3MR_CMD_STATE_IN_QUEUE,
451 	MPI3MR_CMD_STATE_IN_TM,
452 };
453 
454 enum mpi3mr_target_state {
455 	MPI3MR_DEV_CREATED = 1,
456 	MPI3MR_DEV_REMOVE_HS_COMPLETED = 2,
457 };
458 
459 struct mpi3mr_cmd {
460 	TAILQ_ENTRY(mpi3mr_cmd) 	next;
461 	struct mpi3mr_softc		*sc;
462 	union ccb			*ccb;
463 	void				*data;
464 	u_int				length;
465 	struct mpi3mr_target		*targ;
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 	U16				hosttag;
473 	U8				req_qidx;
474 	Mpi3SCSIIORequest_t		io_request;
475 };
476 
477 struct mpi3mr_chain {
478 	bus_dmamap_t buf_dmamap;
479 	void *buf;
480 	bus_addr_t buf_phys;
481 };
482 
483 struct mpi3mr_event_handle {
484 	TAILQ_ENTRY(mpi3mr_event_handle)	eh_list;
485 	mpi3mr_evt_callback_t		*callback;
486 	void				*data;
487 	uint8_t				mask[16];
488 };
489 
490 struct mpi3mr_fw_event_work {
491 	U16			event;
492 	void			*event_data;
493 	TAILQ_ENTRY(mpi3mr_fw_event_work)	ev_link;
494 	U8			send_ack;
495 	U8			process_event;
496 	U32			event_context;
497 	U16			event_data_size;
498 };
499 
500 /**
501  * struct delayed_dev_rmhs_node - Delayed device removal node
502  *
503  * @list: list head
504  * @handle: Device handle
505  * @iou_rc: IO Unit Control Reason Code
506  */
507 struct delayed_dev_rmhs_node {
508 	TAILQ_ENTRY(delayed_dev_rmhs_node) list;
509 	U16 handle;
510 	U8 iou_rc;
511 };
512 
513 /**
514  * struct delayed_evtack_node - Delayed event ack node
515  *
516  * @list: list head
517  * @event: MPI3 event ID
518  * @event_ctx: Event context
519  */
520 struct delayed_evtack_node {
521 	TAILQ_ENTRY(delayed_evtack_node) list;
522 	U8 event;
523 	U32 event_ctx;
524 };
525 
526 /* Reset types */
527 enum reset_type {
528 	MPI3MR_NO_RESET,
529 	MPI3MR_TRIGGER_SOFT_RESET,
530 };
531 
532 struct mpi3mr_reset {
533 	u_int type;
534 	U32 reason;
535 	int status;
536 	bool ioctl_reset_snapdump;
537 };
538 
539 struct mpi3mr_softc {
540 	device_t mpi3mr_dev;
541 	struct cdev *mpi3mr_cdev;
542 	u_int mpi3mr_flags;
543 #define MPI3MR_FLAGS_SHUTDOWN		(1 << 0)
544 #define MPI3MR_FLAGS_DIAGRESET		(1 << 1)
545 #define	MPI3MR_FLAGS_ATTACH_DONE	(1 << 2)
546 #define	MPI3MR_FLAGS_PORT_ENABLE_DONE	(1 << 3)
547 	U8 id;
548 	int cpu_count;
549 	char name[MPI3MR_NAME_LENGTH];
550 	char driver_name[MPI3MR_NAME_LENGTH];
551 	int bars;
552 	bus_addr_t dma_loaddr;
553 	u_int mpi3mr_debug;
554 	struct mpi3mr_reset reset;
555 	int max_msix_vectors;
556 	int msix_count;
557 	bool  msix_enable;
558 	int io_cmds_highwater;
559 	int max_chains;
560 	uint32_t chain_frame_size;
561 	struct sysctl_ctx_list sysctl_ctx;
562 	struct sysctl_oid *sysctl_tree;
563 	char fw_version[32];
564 	struct mpi3mr_chain *chains;
565 	struct callout periodic;
566 	struct callout device_check_callout;
567 
568 	struct mpi3mr_cam_softc	*cam_sc;
569 	struct mpi3mr_cmd **cmd_list;
570 	TAILQ_HEAD(, mpi3mr_cmd) cmd_list_head;
571 	struct mtx cmd_pool_lock;
572 
573 	struct resource			*mpi3mr_regs_resource;
574 	bus_space_handle_t		mpi3mr_bhandle;
575 	bus_space_tag_t			mpi3mr_btag;
576 	int				mpi3mr_regs_rid;
577 
578 	bus_dma_tag_t			mpi3mr_parent_dmat;
579 	bus_dma_tag_t			buffer_dmat;
580 
581 	int				num_reqs;
582 	int				num_replies;
583 	int				num_chains;
584 
585 	TAILQ_HEAD(, mpi3mr_event_handle)	event_list;
586 	struct mpi3mr_event_handle		*mpi3mr_log_eh;
587 	struct intr_config_hook		mpi3mr_ich;
588 
589 	struct mtx mpi3mr_mtx;
590 	struct mtx io_lock;
591 	U8 intr_enabled;
592 	TAILQ_HEAD(, delayed_dev_rmhs_node) delayed_rmhs_list;
593 	TAILQ_HEAD(, delayed_evtack_node) delayed_evtack_cmds_list;
594 
595 	U16 num_admin_reqs;
596 	U32 admin_req_q_sz;
597 	U16 admin_req_pi;
598 	U16 admin_req_ci;
599 	bus_dma_tag_t admin_req_tag;
600 	bus_dmamap_t admin_req_dmamap;
601 	bus_addr_t admin_req_phys;
602 	U8 *admin_req;
603 	struct mtx admin_req_lock;
604 
605 	U16 num_admin_replies;
606 	U32 admin_reply_q_sz;
607 	U16 admin_reply_ci;
608 	U8 admin_reply_ephase;
609 	bus_dma_tag_t admin_reply_tag;
610 	bus_dmamap_t admin_reply_dmamap;
611 	bus_addr_t admin_reply_phys;
612 	U8 *admin_reply;
613 	struct mtx admin_reply_lock;
614 	bool admin_in_use;
615 
616 	U32 num_reply_bufs;
617 	bus_dma_tag_t			reply_buf_tag;
618 	bus_dmamap_t			reply_buf_dmamap;
619 	bus_addr_t			reply_buf_phys;
620 	U8				*reply_buf;
621 	bus_addr_t			reply_buf_dma_max_address;
622 	bus_addr_t			reply_buf_dma_min_address;
623 
624 	U16 reply_free_q_sz;
625 	bus_dma_tag_t			reply_free_q_tag;
626 	bus_dmamap_t			reply_free_q_dmamap;
627 	bus_addr_t			reply_free_q_phys;
628 	U64				*reply_free_q;
629 	struct mtx reply_free_q_lock;
630 	U32 reply_free_q_host_index;
631 
632 	U32 num_sense_bufs;
633 	bus_dma_tag_t			sense_buf_tag;
634 	bus_dmamap_t			sense_buf_dmamap;
635 	bus_addr_t			sense_buf_phys;
636 	U8				*sense_buf;
637 
638 	U16 sense_buf_q_sz;
639 	bus_dma_tag_t			sense_buf_q_tag;
640 	bus_dmamap_t			sense_buf_q_dmamap;
641 	bus_addr_t			sense_buf_q_phys;
642 	U64				*sense_buf_q;
643 	struct mtx sense_buf_q_lock;
644 	U32 sense_buf_q_host_index;
645 
646 	void				*nvme_encap_prp_list;
647 	bus_addr_t			nvme_encap_prp_list_dma;
648 	bus_dma_tag_t			nvme_encap_prp_list_dmatag;
649 	bus_dmamap_t			nvme_encap_prp_list_dma_dmamap;
650 	U32 nvme_encap_prp_sz;
651 
652 	U32 ready_timeout;
653 
654 	struct mpi3mr_irq_context *irq_ctx;
655 
656 	U16 num_queues;		/* Number of request/reply queues */
657 	struct mpi3mr_op_req_queue *op_req_q;
658 	struct mpi3mr_op_reply_queue *op_reply_q;
659 	U16 num_hosttag_op_req_q;
660 
661 	struct mpi3mr_drvr_cmd init_cmds;
662 	struct mpi3mr_ioc_facts facts;
663 	U16 reply_sz;
664 	U16 op_reply_sz;
665 
666 	U32 event_masks[MPI3_EVENT_NOTIFY_EVENTMASK_WORDS];
667 
668 	char fwevt_worker_name[MPI3MR_NAME_LENGTH];
669 	struct workqueue_struct	*fwevt_worker_thread;
670 	struct mtx fwevt_lock;
671 	struct mtx target_lock;
672 
673 	U16 max_host_ios;
674 	bus_dma_tag_t	chain_sgl_list_tag;
675 	struct mpi3mr_chain *chain_sgl_list;
676 	U16  chain_bitmap_sz;
677 	void *chain_bitmap;
678 	struct mtx chain_buf_lock;
679 	U16 chain_buf_count;
680 
681 	struct mpi3mr_drvr_cmd ioctl_cmds;
682 	struct mpi3mr_drvr_cmd host_tm_cmds;
683 	struct mpi3mr_drvr_cmd dev_rmhs_cmds[MPI3MR_NUM_DEVRMCMD];
684 	struct mpi3mr_drvr_cmd evtack_cmds[MPI3MR_NUM_EVTACKCMD];
685 
686 	U16 devrem_bitmap_sz;
687 	void *devrem_bitmap;
688 
689 	U16 dev_handle_bitmap_sz;
690 	void *removepend_bitmap;
691 
692 	U16 evtack_cmds_bitmap_sz;
693 	void *evtack_cmds_bitmap;
694 
695 	U32 ts_update_counter;
696 	U8 reset_in_progress;
697         U8 unrecoverable;
698         U8 block_ioctls;
699         U8 in_prep_ciactv_rst;
700         U16 prep_ciactv_rst_counter;
701         struct mtx reset_mutex;
702 
703 	U8 prepare_for_reset;
704 	U16 prepare_for_reset_timeout_counter;
705 
706 	U16 diagsave_timeout;
707         int logging_level;
708         U16 flush_io_count;
709 
710         Mpi3DriverInfoLayout_t driver_info;
711 
712 	U16 change_count;
713 
714 	U8 *log_data_buffer;
715 	U16 log_data_buffer_index;
716 	U16 log_data_entry_size;
717 
718         U8 pel_wait_pend;
719         U8 pel_abort_requested;
720         U8 pel_class;
721         U16 pel_locale;
722 
723 	struct mpi3mr_drvr_cmd pel_cmds;
724         struct mpi3mr_drvr_cmd pel_abort_cmd;
725         U32 newest_seqnum;
726         void *pel_seq_number;
727         bus_addr_t pel_seq_number_dma;
728 	bus_dma_tag_t pel_seq_num_dmatag;
729 	bus_dmamap_t pel_seq_num_dmamap;
730         U32 pel_seq_number_sz;
731 
732 	struct selinfo mpi3mr_select;
733 	U32 mpi3mr_poll_waiting;
734 	U32 mpi3mr_aen_triggered;
735 
736 	U16 wait_for_port_enable;
737 	U16 track_mapping_events;
738 	U16 pending_map_events;
739 	mpi3mr_atomic_t fw_outstanding;
740 	mpi3mr_atomic_t pend_ioctls;
741 	struct proc *watchdog_thread;
742 	void   *watchdog_chan;
743 	void   *tm_chan;
744 	u_int8_t remove_in_progress;
745 	u_int8_t watchdog_thread_active;
746 	u_int8_t do_timedout_reset;
747 	bool allow_ios;
748 	bool secure_ctrl;
749 	mpi3mr_atomic_t pend_large_data_sz;
750 
751 	u_int32_t io_throttle_data_length;
752 	u_int32_t io_throttle_high;
753 	u_int32_t io_throttle_low;
754 	u_int16_t num_io_throttle_group;
755 	u_int iot_enable;
756 	struct mpi3mr_throttle_group_info *throttle_groups;
757 
758 	struct dma_memory_desc ioctl_sge[MPI3MR_NUM_IOCTL_SGE];
759 	struct dma_memory_desc ioctl_chain_sge;
760 	struct dma_memory_desc ioctl_resp_sge;
761 	bool ioctl_sges_allocated;
762 };
763 
764 static __inline uint64_t
mpi3mr_regread64(struct mpi3mr_softc * sc,uint32_t offset)765 mpi3mr_regread64(struct mpi3mr_softc *sc, uint32_t offset)
766 {
767 	return bus_space_read_8(sc->mpi3mr_btag, sc->mpi3mr_bhandle, offset);
768 }
769 
770 static __inline void
mpi3mr_regwrite64(struct mpi3mr_softc * sc,uint32_t offset,uint64_t val)771 mpi3mr_regwrite64(struct mpi3mr_softc *sc, uint32_t offset, uint64_t val)
772 {
773 	bus_space_write_8(sc->mpi3mr_btag, sc->mpi3mr_bhandle, offset, val);
774 }
775 
776 static __inline uint32_t
mpi3mr_regread(struct mpi3mr_softc * sc,uint32_t offset)777 mpi3mr_regread(struct mpi3mr_softc *sc, uint32_t offset)
778 {
779 	return bus_space_read_4(sc->mpi3mr_btag, sc->mpi3mr_bhandle, offset);
780 }
781 
782 static __inline void
mpi3mr_regwrite(struct mpi3mr_softc * sc,uint32_t offset,uint32_t val)783 mpi3mr_regwrite(struct mpi3mr_softc *sc, uint32_t offset, uint32_t val)
784 {
785 	bus_space_write_4(sc->mpi3mr_btag, sc->mpi3mr_bhandle, offset, val);
786 }
787 
788 #define MPI3MR_INFO	(1 << 0)	/* Basic info */
789 #define MPI3MR_FAULT	(1 << 1)	/* Hardware faults */
790 #define MPI3MR_EVENT	(1 << 2)	/* Event data from the controller */
791 #define MPI3MR_LOG	(1 << 3)	/* Log data from the controller */
792 #define MPI3MR_RECOVERY	(1 << 4)	/* Command error recovery tracing */
793 #define MPI3MR_ERROR	(1 << 5)	/* Fatal driver/OS APIs failure */
794 #define MPI3MR_XINFO	(1 << 6)	/* Additional info logs*/
795 #define MPI3MR_TRACE	(1 << 7)	/* Trace functions */
796 #define MPI3MR_IOT	(1 << 8)	/* IO throttling related debugs */
797 #define MPI3MR_DEBUG_TM	(1 << 9)	/* Task management related debugs */
798 #define MPI3MR_DEBUG_IOCTL	(1 << 10)	/* IOCTL related debugs */
799 
800 #define mpi3mr_printf(sc, args...)				\
801 	device_printf((sc)->mpi3mr_dev, ##args)
802 
803 #define mpi3mr_print_field(sc, msg, args...)		\
804 	printf("\t" msg, ##args)
805 
806 #define mpi3mr_vprintf(sc, args...)			\
807 do {							\
808 	if (bootverbose)				\
809 		mpi3mr_printf(sc, ##args);			\
810 } while (0)
811 
812 #define mpi3mr_dprint(sc, level, msg, args...)		\
813 do {							\
814 	if ((sc)->mpi3mr_debug & (level))			\
815 		device_printf((sc)->mpi3mr_dev, msg, ##args);	\
816 } while (0)
817 
818 #define MPI3MR_PRINTFIELD_START(sc, tag...)	\
819 	mpi3mr_printf((sc), ##tag);		\
820 	mpi3mr_print_field((sc), ":\n")
821 #define MPI3MR_PRINTFIELD_END(sc, tag)		\
822 	mpi3mr_printf((sc), tag "\n")
823 #define MPI3MR_PRINTFIELD(sc, facts, attr, fmt)	\
824 	mpi3mr_print_field((sc), #attr ": " #fmt "\n", (facts)->attr)
825 
826 #define mpi3mr_kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
827     kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
828 #define mpi3mr_kproc_exit(arg)	kproc_exit(arg)
829 
830 #if defined(CAM_PRIORITY_XPT)
831 #define MPI3MR_PRIORITY_XPT	CAM_PRIORITY_XPT
832 #else
833 #define MPI3MR_PRIORITY_XPT	5
834 #endif
835 
836 static __inline void
mpi3mr_clear_bit(int b,volatile void * p)837 mpi3mr_clear_bit(int b, volatile void *p)
838 {
839 	atomic_clear_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f));
840 }
841 
842 static __inline void
mpi3mr_set_bit(int b,volatile void * p)843 mpi3mr_set_bit(int b, volatile void *p)
844 {
845 	atomic_set_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f));
846 }
847 
848 static __inline int
mpi3mr_test_bit(int b,volatile void * p)849 mpi3mr_test_bit(int b, volatile void *p)
850 {
851 	return ((volatile int *)p)[b >> 5] & (1 << (b & 0x1f));
852 }
853 
854 static __inline int
mpi3mr_test_and_set_bit(int b,volatile void * p)855 mpi3mr_test_and_set_bit(int b, volatile void *p)
856 {
857 	int ret = ((volatile int *)p)[b >> 5] & (1 << (b & 0x1f));
858 
859 	atomic_set_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f));
860 	return ret;
861 }
862 
863 static __inline int
mpi3mr_find_first_zero_bit(void * p,int bit_count)864 mpi3mr_find_first_zero_bit(void *p, int bit_count)
865 {
866 	int i, sz, j=0;
867 	U8 *loc;
868 
869 	sz = bit_count % 8 ? (bit_count / 8 + 1) : (bit_count / 8);
870 	loc = malloc(sz, M_MPI3MR, M_NOWAIT | M_ZERO);
871 
872 	memcpy(loc, p, sz);
873 
874 	for (i = 0; i < sz; i++) {
875 		j = 0;
876 		while (j < 8) {
877 			if (!((loc[i] >> j) & 0x1))
878 				goto out;
879 			j++;
880 		}
881 	}
882 out:
883 	free(loc, M_MPI3MR);
884 	return (i + j);
885 }
886 
887 #define MPI3MR_DIV_ROUND_UP(n,d)       (((n) + (d) - 1) / (d))
888 
889 void
890 init_completion(struct completion *completion);
891 
892 void
893 complete(struct completion *completion);
894 
895 void wait_for_completion_timeout(struct completion *completion,
896 	    U32 timeout);
897 void wait_for_completion_timeout_tm(struct completion *completion,
898 	    U32 timeout, struct mpi3mr_softc *sc);
899 void mpi3mr_add_sg_single(void *paddr, U8 flags, U32 length,
900     bus_addr_t dma_addr);
901 void mpi3mr_enable_interrupts(struct mpi3mr_softc *sc);
902 void mpi3mr_disable_interrupts(struct mpi3mr_softc *sc);
903 void mpi3mr_memaddr_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error);
904 int mpi3mr_submit_admin_cmd(struct mpi3mr_softc *mrioc, void *admin_req,
905     U16 admin_req_sz);
906 int mpi3mr_submit_io(struct mpi3mr_softc *mrioc,
907     struct mpi3mr_op_req_queue *op_req_q, U8 *req);
908 int
909 mpi3mr_alloc_interrupts(struct mpi3mr_softc *sc, U16 setup_one);
910 
911 void mpi3mr_cleanup_ioc(struct mpi3mr_softc *sc);
912 int mpi3mr_initialize_ioc(struct mpi3mr_softc *sc, U8 reason);
913 void mpi3mr_build_zero_len_sge(void *paddr);
914 int mpi3mr_issue_event_notification(struct mpi3mr_softc *sc);
915 int
916 mpi3mr_register_events(struct mpi3mr_softc *sc);
917 void mpi3mr_process_op_reply_desc(struct mpi3mr_softc *sc,
918     Mpi3DefaultReplyDescriptor_t *reply_desc, U64 *reply_dma);
919 struct mpi3mr_cmd *
920 mpi3mr_get_command(struct mpi3mr_softc *sc);
921 void
922 mpi3mr_release_command(struct mpi3mr_cmd *cmd);
923 int
924 mpi3mr_complete_io_cmd(struct mpi3mr_softc *sc,
925     struct mpi3mr_irq_context *irq_context);
926 int
927 mpi3mr_cam_detach(struct mpi3mr_softc *sc);
928 int
929 mpi3mr_cam_attach(struct mpi3mr_softc *sc);
930 struct mpi3mr_target *
931 mpi3mr_find_target_by_per_id(struct mpi3mr_cam_softc *cam_sc,
932     uint16_t per_id);
933 struct mpi3mr_target *
934 mpi3mr_find_target_by_dev_handle(struct mpi3mr_cam_softc *cam_sc,
935     uint16_t dev_handle);
936 int mpi3mr_create_device(struct mpi3mr_softc *sc,
937     Mpi3DevicePage0_t *dev_pg0);
938 void
939 mpi3mr_unmap_request(struct mpi3mr_softc *sc, struct mpi3mr_cmd *cmd);
940 void
941 init_completion(struct completion *completion);
942 void
943 complete(struct completion *completion);
944 void wait_for_completion_timeout(struct completion *completion,
945 	    U32 timeout);
946 void
947 poll_for_command_completion(struct mpi3mr_softc *sc,
948        struct mpi3mr_drvr_cmd *cmd, U16 wait);
949 int
950 mpi3mr_alloc_requests(struct mpi3mr_softc *sc);
951 void
952 mpi3mr_watchdog(void *arg);
953 int mpi3mr_issue_port_enable(struct mpi3mr_softc *mrioc, U8 async);
954 void
955 mpi3mr_isr(void *privdata);
956 int
957 mpi3mr_alloc_msix_queues(struct mpi3mr_softc *sc);
958 void
959 mpi3mr_destory_mtx(struct mpi3mr_softc *sc);
960 void
961 mpi3mr_free_mem(struct mpi3mr_softc *sc);
962 void
963 mpi3mr_cleanup_interrupts(struct mpi3mr_softc *sc);
964 int mpi3mr_setup_irqs(struct mpi3mr_softc *sc);
965 void mpi3mr_cleanup_event_taskq(struct mpi3mr_softc *sc);
966 void
967 mpi3mr_hexdump(void *buf, int sz, int format);
968 int mpi3mr_soft_reset_handler(struct mpi3mr_softc *sc,
969 	U16 reset_reason, bool snapdump);
970 void
971 mpi3mrsas_release_simq_reinit(struct mpi3mr_cam_softc *cam_sc);
972 void
973 mpi3mr_watchdog_thread(void *arg);
974 void mpi3mr_add_device(struct mpi3mr_softc *sc, U16 per_id);
975 int mpi3mr_remove_device(struct mpi3mr_softc *sc, U16 handle);
976 int
977 mpi3mrsas_register_events(struct mpi3mr_softc *sc);
978 int mpi3mr_process_event_ack(struct mpi3mr_softc *sc, U8 event,
979 	U32 event_ctx);
980 int mpi3mr_remove_device_from_os(struct mpi3mr_softc *sc, U16 handle);
981 void mpi3mr_remove_device_from_list(struct mpi3mr_softc *sc, struct mpi3mr_target *target,
982 				    bool must_delete);
983 void mpi3mr_update_device(struct mpi3mr_softc *mrioc,
984     struct mpi3mr_target *tgtdev, Mpi3DevicePage0_t *dev_pg0, bool is_added);
985 void mpi3mr_app_save_logdata(struct mpi3mr_softc *sc, char *event_data, U16 event_data_size);
986 void mpi3mr_set_io_divert_for_all_vd_in_tg(struct mpi3mr_softc *sc,
987 	struct mpi3mr_throttle_group_info *tg, U8 divert_value);
988 enum mpi3mr_iocstate mpi3mr_get_iocstate(struct mpi3mr_softc *sc);
989 void mpi3mr_poll_pend_io_completions(struct mpi3mr_softc *sc);
990 void int_to_lun(unsigned int lun, U8 *req_lun);
991 void trigger_reset_from_watchdog(struct mpi3mr_softc *sc, U8 reset_type, U16 reset_reason);
992 void mpi3mr_alloc_ioctl_dma_memory(struct mpi3mr_softc *sc);
993 #endif /*MPI3MR_H_INCLUDED*/
994