xref: /illumos-gate/usr/src/uts/common/io/mlxcx/mlxcx.h (revision dd72704bd9e794056c558153663c739e2012d721)
1 /*
2  * This file and its contents are supplied under the terms of the
3  * Common Development and Distribution License ("CDDL"), version 1.0.
4  * You may only use this file in accordance with the terms of version
5  * 1.0 of the CDDL.
6  *
7  * A full copy of the text of the CDDL should have accompanied this
8  * source.  A copy of the CDDL is also available via the Internet at
9  * http://www.illumos.org/license/CDDL.
10  */
11 
12 /*
13  * Copyright 2021, The University of Queensland
14  * Copyright (c) 2018, Joyent, Inc.
15  * Copyright 2020 RackTop Systems, Inc.
16  */
17 
18 /*
19  * Mellanox Connect-X 4/5/6 driver.
20  *
21  * More details in mlxcx.c
22  */
23 
24 #ifndef _MLXCX_H
25 #define	_MLXCX_H
26 
27 /*
28  * mlxcx(4D) defintions
29  */
30 
31 #include <sys/ddi.h>
32 #include <sys/sunddi.h>
33 #include <sys/ddifm.h>
34 #include <sys/id_space.h>
35 #include <sys/list.h>
36 #include <sys/taskq_impl.h>
37 #include <sys/stddef.h>
38 #include <sys/stream.h>
39 #include <sys/strsun.h>
40 #include <sys/mac_provider.h>
41 #include <sys/mac_ether.h>
42 #include <sys/cpuvar.h>
43 #include <sys/ethernet.h>
44 
45 #include <inet/ip.h>
46 #include <inet/ip6.h>
47 
48 #include <sys/ddifm.h>
49 #include <sys/fm/protocol.h>
50 #include <sys/fm/util.h>
51 #include <sys/fm/io/ddi.h>
52 
53 #include <mlxcx_reg.h>
54 
55 #ifdef __cplusplus
56 extern "C" {
57 #endif
58 
59 /*
60  * Get access to the first PCI BAR.
61  */
62 #define	MLXCX_REG_NUMBER		1
63 
64 /*
65  * The command queue is supposed to be a page, which is 4k.
66  */
67 #define	MLXCX_CMD_DMA_PAGE_SIZE		4096
68 
69 /*
70  * Queues can allocate in units of this much memory.
71  */
72 #define	MLXCX_QUEUE_DMA_PAGE_SIZE	4096
73 
74 /*
75  * We advertise two sizes of groups to MAC -- a certain number of "large"
76  * groups (including the default group, which is sized to at least ncpus)
77  * followed by a certain number of "small" groups.
78  *
79  * This allows us to have a larger amount of classification resources available
80  * for zones/VMs without resorting to software classification.
81  */
82 #define	MLXCX_RX_NGROUPS_LARGE_DFLT		2
83 #define	MLXCX_RX_NRINGS_PER_LARGE_GROUP_DFLT	16
84 #define	MLXCX_RX_NGROUPS_SMALL_DFLT		256
85 #define	MLXCX_RX_NRINGS_PER_SMALL_GROUP_DFLT	4
86 
87 #define	MLXCX_TX_NGROUPS_DFLT		1
88 #define	MLXCX_TX_NRINGS_PER_GROUP_DFLT	64
89 
90 /*
91  * Queues will be sized to (1 << *Q_SIZE_SHIFT) entries long.
92  */
93 #define	MLXCX_EQ_SIZE_SHIFT_DFLT	9
94 
95 /*
96  * The CQ, SQ and RQ sizes can effect throughput on higher speed interfaces.
97  * EQ less so, as it only takes a single EQ entry to indicate there are
98  * multiple completions on the CQ.
99  *
100  * Particularly on the Rx side, the RQ (and corresponding CQ) would run
101  * low on available entries. A symptom of this is the refill taskq running
102  * frequently. A larger RQ (and CQ) alleviates this, and as there is a
103  * close relationship between SQ and CQ size, the SQ is increased too.
104  */
105 #define	MLXCX_CQ_SIZE_SHIFT_DFLT	10
106 #define	MLXCX_CQ_SIZE_SHIFT_25G		12
107 
108 /*
109  * Default to making SQs bigger than RQs for 9k MTU, since most packets will
110  * spill over into more than one slot. RQ WQEs are always 1 slot.
111  */
112 #define	MLXCX_SQ_SIZE_SHIFT_DFLT	11
113 #define	MLXCX_SQ_SIZE_SHIFT_25G		13
114 
115 #define	MLXCX_RQ_SIZE_SHIFT_DFLT	10
116 #define	MLXCX_RQ_SIZE_SHIFT_25G		12
117 
118 #define	MLXCX_CQ_HWM_GAP		16
119 #define	MLXCX_CQ_LWM_GAP		24
120 
121 #define	MLXCX_WQ_HWM_GAP		MLXCX_CQ_HWM_GAP
122 #define	MLXCX_WQ_LWM_GAP		MLXCX_CQ_LWM_GAP
123 
124 #define	MLXCX_RQ_REFILL_STEP		64
125 
126 /*
127  * CQ event moderation
128  */
129 #define	MLXCX_CQEMOD_PERIOD_USEC_DFLT	50
130 #define	MLXCX_CQEMOD_COUNT_DFLT		\
131 	(8 * ((1 << MLXCX_CQ_SIZE_SHIFT_DFLT) / 10))
132 
133 /*
134  * EQ interrupt moderation
135  */
136 #define	MLXCX_INTRMOD_PERIOD_USEC_DFLT	10
137 
138 /* Size of root flow tables */
139 #define	MLXCX_FTBL_ROOT_SIZE_SHIFT_DFLT		12
140 
141 /* Size of 2nd level flow tables for VLAN filtering */
142 #define	MLXCX_FTBL_VLAN_SIZE_SHIFT_DFLT		4
143 
144 /*
145  * How big does an mblk have to be before we dma_bind() it instead of
146  * bcopying?
147  */
148 #define	MLXCX_TX_BIND_THRESHOLD_DFLT	2048
149 
150 /*
151  * How often to check the status of completion queues for overflow and
152  * other problems.
153  */
154 #define	MLXCX_WQ_CHECK_INTERVAL_SEC_DFLT		300
155 #define	MLXCX_CQ_CHECK_INTERVAL_SEC_DFLT		300
156 #define	MLXCX_EQ_CHECK_INTERVAL_SEC_DFLT		30
157 
158 /*
159  * After this many packets, the packets received so far are passed to
160  * the mac layer.
161  */
162 #define	MLXCX_RX_PER_CQ_DEFAULT			256
163 #define	MLXCX_RX_PER_CQ_MIN			16
164 #define	MLXCX_RX_PER_CQ_MAX			4096
165 
166 #define	MLXCX_DOORBELL_TRIES_DFLT		3
167 extern uint_t mlxcx_doorbell_tries;
168 
169 #define	MLXCX_STUCK_INTR_COUNT_DFLT		128
170 extern uint_t mlxcx_stuck_intr_count;
171 
172 #define	MLXCX_BUF_BIND_MAX_ATTEMTPS		50
173 
174 #define	MLXCX_MTU_OFFSET	\
175 	(sizeof (struct ether_vlan_header) + ETHERFCSL)
176 
177 /*
178  * This is the current version of the command structure that the driver expects
179  * to be found in the ISS.
180  */
181 #define	MLXCX_CMD_REVISION	5
182 
183 #ifdef	DEBUG
184 #define	MLXCX_DMA_SYNC(dma, flag)	VERIFY0(ddi_dma_sync( \
185 					    (dma).mxdb_dma_handle, 0, 0, \
186 					    (flag)))
187 #else
188 #define	MLXCX_DMA_SYNC(dma, flag)	(void) ddi_dma_sync( \
189 					    (dma).mxdb_dma_handle, 0, 0, \
190 					    (flag))
191 #endif
192 
193 #define	MLXCX_FM_SERVICE_MLXCX	"mlxcx"
194 
195 /*
196  * This macro defines the expected value of the 'Interface Step Sequence ID'
197  * (issi) which represents the version of the start up and tear down sequence.
198  * We must check that hardware supports this and tell it which version we're
199  * using as well.
200  */
201 #define	MLXCX_CURRENT_ISSI	1
202 
203 /*
204  * This is the size of a page that the hardware expects from us when
205  * manipulating pages.
206  */
207 #define	MLXCX_HW_PAGE_SIZE	4096
208 
209 /*
210  * This is a special lkey value used to terminate a list of scatter pointers.
211  */
212 #define	MLXCX_NULL_LKEY		0x100
213 
214 /*
215  * The max function id we support in manage pages requests.
216  * At the moment we only support/expect func 0 from manage pages, but
217  * structures and code are in place to support any number.
218  */
219 #define	MLXCX_FUNC_ID_MAX	0
220 
221 /*
222  * Forwards
223  */
224 struct mlxcx;
225 typedef struct mlxcx mlxcx_t;
226 typedef struct mlxcx_cmd mlxcx_cmd_t;
227 typedef struct mlxcx_port mlxcx_port_t;
228 
229 typedef struct {
230 	mlxcx_t		*mlp_mlx;
231 	int32_t		mlp_npages;
232 	uint16_t	mlp_func;
233 } mlxcx_pages_request_t;
234 
235 typedef struct mlxcx_async_param {
236 	mlxcx_t		*mla_mlx;
237 	taskq_ent_t	mla_tqe;
238 	boolean_t	mla_pending;
239 	kmutex_t	mla_mtx;
240 
241 	/*
242 	 * Parameters specific to the function dispatched.
243 	 */
244 	union {
245 		void			*mla_arg;
246 		mlxcx_pages_request_t	mla_pages;
247 		mlxcx_port_t		*mla_port;
248 	};
249 } mlxcx_async_param_t;
250 
251 typedef enum {
252 	MLXCX_DMABUF_HDL_ALLOC		= 1 << 0,
253 	MLXCX_DMABUF_MEM_ALLOC		= 1 << 1,
254 	MLXCX_DMABUF_BOUND		= 1 << 2,
255 	MLXCX_DMABUF_FOREIGN		= 1 << 3,
256 } mlxcx_dma_buffer_flags_t;
257 
258 typedef struct mlxcx_dma_buffer {
259 	mlxcx_dma_buffer_flags_t	mxdb_flags;
260 	caddr_t				mxdb_va;	/* Buffer VA */
261 	size_t				mxdb_len;	/* Buffer logical len */
262 	ddi_acc_handle_t		mxdb_acc_handle;
263 	ddi_dma_handle_t		mxdb_dma_handle;
264 	uint_t				mxdb_ncookies;
265 } mlxcx_dma_buffer_t;
266 
267 typedef struct mlxcx_dev_page {
268 	list_node_t		mxdp_list;
269 	avl_node_t		mxdp_tree;
270 	uintptr_t		mxdp_pa;
271 	mlxcx_dma_buffer_t	mxdp_dma;
272 } mlxcx_dev_page_t;
273 
274 /*
275  * Data structure to keep track of all information related to the command queue.
276  */
277 typedef enum {
278 	MLXCX_CMD_QUEUE_S_IDLE = 1,
279 	MLXCX_CMD_QUEUE_S_BUSY,
280 	MLXCX_CMD_QUEUE_S_BROKEN
281 } mlxcx_cmd_queue_status_t;
282 
283 typedef struct mlxcx_cmd_queue {
284 	kmutex_t		mcmd_lock;
285 	kcondvar_t		mcmd_cv;
286 	mlxcx_dma_buffer_t	mcmd_dma;
287 
288 	boolean_t		mcmd_polled;
289 
290 	uint8_t			mcmd_size_l2;
291 	uint8_t			mcmd_stride_l2;
292 	uint_t			mcmd_size;
293 	/*
294 	 * The mask has a bit for each command slot, there are a maximum
295 	 * of 32 slots. When the bit is set in the mask, it indicates
296 	 * the slot is available.
297 	 */
298 	uint32_t		mcmd_mask;
299 
300 	mlxcx_cmd_t		*mcmd_active[MLXCX_CMD_MAX];
301 
302 	ddi_taskq_t		*mcmd_taskq;
303 	id_space_t		*mcmd_tokens;
304 } mlxcx_cmd_queue_t;
305 
306 typedef struct mlxcd_cmd_mbox {
307 	list_node_t		mlbox_node;
308 	mlxcx_dma_buffer_t	mlbox_dma;
309 	mlxcx_cmd_mailbox_t	*mlbox_data;
310 } mlxcx_cmd_mbox_t;
311 
312 typedef enum {
313 	MLXCX_EQ_ALLOC		= 1 << 0,	/* dma mem alloc'd, size set */
314 	MLXCX_EQ_CREATED	= 1 << 1,	/* CREATE_EQ sent to hw */
315 	MLXCX_EQ_DESTROYED	= 1 << 2,	/* DESTROY_EQ sent to hw */
316 	MLXCX_EQ_ARMED		= 1 << 3,	/* Armed through the UAR */
317 	MLXCX_EQ_POLLING	= 1 << 4,	/* Currently being polled */
318 	MLXCX_EQ_INTR_ENABLED	= 1 << 5,	/* ddi_intr_enable()'d */
319 	MLXCX_EQ_INTR_ACTIVE	= 1 << 6,	/* 'rupt handler running */
320 	MLXCX_EQ_INTR_QUIESCE	= 1 << 7,	/* 'rupt handler to quiesce */
321 	MLXCX_EQ_ATTACHING	= 1 << 8,	/* mlxcx_attach still running */
322 } mlxcx_eventq_state_t;
323 
324 typedef struct mlxcx_bf {
325 	kmutex_t		mbf_mtx;
326 	uint_t			mbf_cnt;
327 	uint_t			mbf_even;
328 	uint_t			mbf_odd;
329 } mlxcx_bf_t;
330 
331 typedef struct mlxcx_uar {
332 	boolean_t		mlu_allocated;
333 	uint_t			mlu_num;
334 	uint_t			mlu_base;
335 
336 	volatile uint_t		mlu_bfcnt;
337 	mlxcx_bf_t		mlu_bf[MLXCX_BF_PER_UAR];
338 } mlxcx_uar_t;
339 
340 typedef struct mlxcx_pd {
341 	boolean_t		mlpd_allocated;
342 	uint32_t		mlpd_num;
343 } mlxcx_pd_t;
344 
345 typedef struct mlxcx_tdom {
346 	boolean_t		mltd_allocated;
347 	uint32_t		mltd_num;
348 } mlxcx_tdom_t;
349 
350 typedef enum {
351 	MLXCX_PORT_VPORT_PROMISC	= 1 << 0,
352 } mlxcx_port_flags_t;
353 
354 typedef struct mlxcx_flow_table mlxcx_flow_table_t;
355 typedef struct mlxcx_flow_group mlxcx_flow_group_t;
356 
357 typedef struct {
358 	uint64_t		mlps_rx_drops;
359 } mlxcx_port_stats_t;
360 
361 typedef enum {
362 	MLXCX_PORT_INIT		= 1 << 0
363 } mlxcx_port_init_t;
364 
365 struct mlxcx_port {
366 	kmutex_t		mlp_mtx;
367 	mlxcx_port_init_t	mlp_init;
368 	mlxcx_t			*mlp_mlx;
369 	/*
370 	 * The mlp_num we have here starts at zero (it's an index), but the
371 	 * numbering we have to use for register access starts at 1. We
372 	 * currently write mlp_num into the other_vport fields in mlxcx_cmd.c
373 	 * (where 0 is a magic number meaning "my vport") so if we ever add
374 	 * support for virtualisation features and deal with more than one
375 	 * vport, we will probably have to change this.
376 	 */
377 	uint_t			mlp_num;
378 	mlxcx_port_flags_t	mlp_flags;
379 	uint64_t		mlp_guid;
380 	uint8_t			mlp_mac_address[ETHERADDRL];
381 
382 	uint_t			mlp_mtu;
383 	uint_t			mlp_max_mtu;
384 
385 	mlxcx_port_status_t	mlp_admin_status;
386 	mlxcx_port_status_t	mlp_oper_status;
387 
388 	boolean_t		mlp_autoneg;
389 	mlxcx_eth_proto_t	mlp_max_proto;
390 	mlxcx_eth_proto_t	mlp_admin_proto;
391 	mlxcx_eth_proto_t	mlp_oper_proto;
392 	mlxcx_pplm_fec_active_t	mlp_fec_active;
393 	link_fec_t		mlp_fec_requested;
394 
395 	mlxcx_eth_inline_mode_t	mlp_wqe_min_inline;
396 
397 	/* Root flow tables */
398 	mlxcx_flow_table_t	*mlp_rx_flow;
399 	mlxcx_flow_table_t	*mlp_tx_flow;
400 
401 	mlxcx_flow_group_t	*mlp_promisc;
402 	mlxcx_flow_group_t	*mlp_bcast;
403 	mlxcx_flow_group_t	*mlp_umcast;
404 
405 	avl_tree_t		mlp_dmac_fe;
406 
407 	mlxcx_port_stats_t	mlp_stats;
408 
409 	mlxcx_module_status_t	mlp_last_modstate;
410 	mlxcx_module_error_type_t	mlp_last_moderr;
411 
412 	mlxcx_async_param_t	mlx_port_event;
413 };
414 
415 typedef enum {
416 	MLXCX_EQ_TYPE_ANY,
417 	MLXCX_EQ_TYPE_RX,
418 	MLXCX_EQ_TYPE_TX
419 } mlxcx_eventq_type_t;
420 
421 /*
422  * mlxcx_event_queue_t is a representation of an event queue (EQ).
423  * There is a 1-1 tie in between an EQ and an interrupt vector, and
424  * knowledge of that effects how some members of the struct are used
425  * and modified.
426  *
427  * Most of the struct members are immmutable except for during set up and
428  * teardown, for those it is safe to access them without a mutex once
429  * the driver is initialized.
430  *
431  * Members which are not immutable and are protected by mleq_mtx are:
432  *	* mleq_state - EQ state. Changes during transitions between
433  *		       polling modes.
434  *	* mleq_cq - an AVL tree of completions queues using this EQ.
435  *
436  * Another member which is not immutable is mleq_cc. This is the EQ
437  * consumer counter, it *must* only be incremented in the EQ's interrupt
438  * context. It is also fed back to the hardware during re-arming of
439  * the EQ, again this *must* only happen in the EQ's interrupt context.
440  *
441  * There are a couple of struct members (mleq_check_disarm_cc and
442  * mleq_check_disarm_cnt) which are used to help monitor the health
443  * and consistency of the EQ. They are only used and modified during health
444  * monitoring, which is both infrequent and single threaded, consequently
445  * no mutex guards are needed.
446  *
447  * Care is taken not to use the mleq_mtx when possible, both to avoid
448  * contention in what is "hot" code and avoid breaking requirements
449  * of mac(9E).
450  */
451 typedef struct mlxcx_event_queue {
452 	kmutex_t		mleq_mtx;
453 	kcondvar_t		mleq_cv;
454 	mlxcx_t			*mleq_mlx;
455 	mlxcx_eventq_state_t	mleq_state;
456 	mlxcx_eventq_type_t	mleq_type;
457 
458 	mlxcx_dma_buffer_t	mleq_dma;
459 
460 	size_t			mleq_entshift;
461 	size_t			mleq_nents;
462 	mlxcx_eventq_ent_t	*mleq_ent;
463 	uint32_t		mleq_cc;	/* consumer counter */
464 	uint32_t		mleq_cc_armed;
465 
466 	uint32_t		mleq_events;
467 
468 	uint32_t		mleq_badintrs;
469 
470 	/* Hardware eq number */
471 	uint_t			mleq_num;
472 	/* Index into the mlxcx_t's interrupts array */
473 	uint_t			mleq_intr_index;
474 
475 	/* UAR region that has this EQ's doorbell in it */
476 	mlxcx_uar_t		*mleq_uar;
477 
478 	/* Tree of CQn => mlxcx_completion_queue_t */
479 	avl_tree_t		mleq_cqs;
480 
481 	uint32_t		mleq_check_disarm_cc;
482 	uint_t			mleq_check_disarm_cnt;
483 } mlxcx_event_queue_t;
484 
485 typedef enum {
486 	MLXCX_TIS_CREATED		= 1 << 0,
487 	MLXCX_TIS_DESTROYED		= 1 << 1,
488 } mlxcx_tis_state_t;
489 
490 typedef struct mlxcx_tis {
491 	mlxcx_tis_state_t		mltis_state;
492 	list_node_t			mltis_entry;
493 	uint_t				mltis_num;
494 	mlxcx_tdom_t			*mltis_tdom;
495 } mlxcx_tis_t;
496 
497 typedef enum {
498 	MLXCX_BUFFER_INIT,
499 	MLXCX_BUFFER_FREE,
500 	MLXCX_BUFFER_ON_WQ,
501 	MLXCX_BUFFER_ON_LOAN,
502 	MLXCX_BUFFER_ON_CHAIN,
503 } mlxcx_buffer_state_t;
504 
505 typedef enum {
506 	MLXCX_SHARD_READY,
507 	MLXCX_SHARD_DRAINING,
508 } mlxcx_shard_state_t;
509 
510 typedef struct mlxcx_buf_shard {
511 	mlxcx_shard_state_t	mlbs_state;
512 	list_node_t		mlbs_entry;
513 	kmutex_t		mlbs_mtx;
514 	list_t			mlbs_busy;
515 	list_t			mlbs_free;
516 	list_t			mlbs_loaned;
517 	kcondvar_t		mlbs_free_nonempty;
518 } mlxcx_buf_shard_t;
519 
520 typedef struct mlxcx_buffer {
521 	mlxcx_buf_shard_t	*mlb_shard;
522 	list_node_t		mlb_entry;
523 	list_node_t		mlb_cq_entry;
524 
525 	struct mlxcx_buffer	*mlb_tx_head;	/* head of tx chain */
526 	list_t			mlb_tx_chain;
527 	list_node_t		mlb_tx_chain_entry;
528 
529 	boolean_t		mlb_foreign;
530 	size_t			mlb_used;
531 	mblk_t			*mlb_tx_mp;
532 
533 	/*
534 	 * The number of work queue basic blocks this buf uses.
535 	 */
536 	uint_t			mlb_wqebbs;
537 
538 	mlxcx_t			*mlb_mlx;
539 	mlxcx_buffer_state_t	mlb_state;
540 	uint_t			mlb_wqe_index;
541 	mlxcx_dma_buffer_t	mlb_dma;
542 	mblk_t			*mlb_mp;
543 	frtn_t			mlb_frtn;
544 } mlxcx_buffer_t;
545 
546 typedef enum {
547 	MLXCX_CQ_ALLOC		= 1 << 0,
548 	MLXCX_CQ_CREATED	= 1 << 1,
549 	MLXCX_CQ_DESTROYED	= 1 << 2,
550 	MLXCX_CQ_EQAVL		= 1 << 3,
551 	MLXCX_CQ_BLOCKED_MAC	= 1 << 4,
552 	MLXCX_CQ_TEARDOWN	= 1 << 5,
553 	MLXCX_CQ_POLLING	= 1 << 6,
554 	MLXCX_CQ_ARMED		= 1 << 7,
555 } mlxcx_completionq_state_t;
556 
557 typedef struct mlxcx_work_queue mlxcx_work_queue_t;
558 
559 typedef struct mlxcx_completion_queue {
560 	kmutex_t			mlcq_mtx;
561 	kmutex_t			mlcq_arm_mtx;
562 	mlxcx_t				*mlcq_mlx;
563 	mlxcx_completionq_state_t	mlcq_state;
564 
565 	mlxcx_port_stats_t		*mlcq_stats;
566 
567 	list_node_t			mlcq_entry;
568 	avl_node_t			mlcq_eq_entry;
569 
570 	uint_t				mlcq_num;
571 
572 	mlxcx_work_queue_t		*mlcq_wq;
573 	mlxcx_event_queue_t		*mlcq_eq;
574 
575 	/* UAR region that has this CQ's UAR doorbell in it */
576 	mlxcx_uar_t			*mlcq_uar;
577 
578 	mlxcx_dma_buffer_t		mlcq_dma;
579 
580 	size_t				mlcq_entshift;
581 	size_t				mlcq_nents;
582 	mlxcx_completionq_ent_t		*mlcq_ent;
583 	uint32_t			mlcq_cc;	/* consumer counter */
584 	uint32_t			mlcq_cc_armed;	/* cc at last arm */
585 	uint32_t			mlcq_ec;	/* event counter */
586 	uint32_t			mlcq_ec_armed;	/* ec at last arm */
587 
588 	mlxcx_dma_buffer_t		mlcq_doorbell_dma;
589 	mlxcx_completionq_doorbell_t	*mlcq_doorbell;
590 
591 	uint64_t			mlcq_bufcnt;
592 	size_t				mlcq_bufhwm;
593 	size_t				mlcq_buflwm;
594 	list_t				mlcq_buffers;
595 	kmutex_t			mlcq_bufbmtx;
596 	list_t				mlcq_buffers_b;
597 
598 	uint_t				mlcq_check_disarm_cnt;
599 	uint64_t			mlcq_check_disarm_cc;
600 
601 	uint_t				mlcq_cqemod_period_usec;
602 	uint_t				mlcq_cqemod_count;
603 
604 	mac_ring_handle_t		mlcq_mac_hdl;
605 	uint64_t			mlcq_mac_gen;
606 
607 	boolean_t			mlcq_fm_repd_qstate;
608 } mlxcx_completion_queue_t;
609 
610 typedef enum {
611 	MLXCX_WQ_ALLOC		= 1 << 0,
612 	MLXCX_WQ_CREATED	= 1 << 1,
613 	MLXCX_WQ_STARTED	= 1 << 2,
614 	MLXCX_WQ_DESTROYED	= 1 << 3,
615 	MLXCX_WQ_TEARDOWN	= 1 << 4,
616 	MLXCX_WQ_BUFFERS	= 1 << 5,
617 	MLXCX_WQ_REFILLING	= 1 << 6,
618 	MLXCX_WQ_BLOCKED_MAC	= 1 << 7
619 } mlxcx_workq_state_t;
620 
621 typedef enum {
622 	MLXCX_WQ_TYPE_SENDQ = 1,
623 	MLXCX_WQ_TYPE_RECVQ
624 } mlxcx_workq_type_t;
625 
626 typedef struct mlxcx_ring_group mlxcx_ring_group_t;
627 
628 struct mlxcx_work_queue {
629 	kmutex_t			mlwq_mtx;
630 	mlxcx_t				*mlwq_mlx;
631 	mlxcx_workq_type_t		mlwq_type;
632 	mlxcx_workq_state_t		mlwq_state;
633 
634 	list_node_t			mlwq_entry;
635 	list_node_t			mlwq_group_entry;
636 
637 	mlxcx_ring_group_t		*mlwq_group;
638 
639 	uint_t				mlwq_num;
640 
641 	mlxcx_completion_queue_t	*mlwq_cq;
642 	mlxcx_pd_t			*mlwq_pd;
643 
644 	/* Required for send queues */
645 	mlxcx_tis_t			*mlwq_tis;
646 
647 	/* UAR region that has this WQ's blueflame buffers in it */
648 	mlxcx_uar_t			*mlwq_uar;
649 
650 	mlxcx_dma_buffer_t		mlwq_dma;
651 
652 	mlxcx_eth_inline_mode_t		mlwq_inline_mode;
653 	size_t				mlwq_entshift;
654 	size_t				mlwq_nents;
655 	/* Discriminate based on mwq_type */
656 	union {
657 		mlxcx_sendq_ent_t	*mlwq_send_ent;
658 		mlxcx_sendq_extra_ent_t	*mlwq_send_extra_ent;
659 		mlxcx_recvq_ent_t	*mlwq_recv_ent;
660 		mlxcx_sendq_bf_t	*mlwq_bf_ent;
661 	};
662 	uint64_t			mlwq_pc;	/* producer counter */
663 
664 	uint64_t			mlwq_wqebb_used;
665 	size_t				mlwq_bufhwm;
666 	size_t				mlwq_buflwm;
667 
668 	mlxcx_dma_buffer_t		mlwq_doorbell_dma;
669 	mlxcx_workq_doorbell_t		*mlwq_doorbell;
670 
671 	mlxcx_buf_shard_t		*mlwq_bufs;
672 	mlxcx_buf_shard_t		*mlwq_foreign_bufs;
673 
674 	taskq_ent_t			mlwq_tqe;
675 
676 	boolean_t			mlwq_fm_repd_qstate;
677 };
678 
679 #define	MLXCX_RQT_MAX_SIZE		64
680 
681 typedef enum {
682 	MLXCX_RQT_CREATED		= 1 << 0,
683 	MLXCX_RQT_DESTROYED		= 1 << 1,
684 	MLXCX_RQT_DIRTY			= 1 << 2,
685 } mlxcx_rqtable_state_t;
686 
687 typedef struct mlxcx_rqtable {
688 	mlxcx_rqtable_state_t		mlrqt_state;
689 	list_node_t			mlrqt_entry;
690 	uint_t				mlrqt_num;
691 
692 	size_t				mlrqt_max;
693 	size_t				mlrqt_used;
694 
695 	size_t				mlrqt_rq_size;
696 	mlxcx_work_queue_t		**mlrqt_rq;
697 } mlxcx_rqtable_t;
698 
699 typedef enum {
700 	MLXCX_TIR_CREATED		= 1 << 0,
701 	MLXCX_TIR_DESTROYED		= 1 << 1,
702 } mlxcx_tir_state_t;
703 
704 typedef struct mlxcx_tir {
705 	mlxcx_tir_state_t		mltir_state;
706 	list_node_t			mltir_entry;
707 	uint_t				mltir_num;
708 	mlxcx_tdom_t			*mltir_tdom;
709 	mlxcx_tir_type_t		mltir_type;
710 	union {
711 		mlxcx_rqtable_t			*mltir_rqtable;
712 		mlxcx_work_queue_t		*mltir_rq;
713 	};
714 	mlxcx_tir_hash_fn_t		mltir_hash_fn;
715 	uint8_t				mltir_toeplitz_key[40];
716 	mlxcx_tir_rx_hash_l3_type_t	mltir_l3_type;
717 	mlxcx_tir_rx_hash_l4_type_t	mltir_l4_type;
718 	mlxcx_tir_rx_hash_fields_t	mltir_hash_fields;
719 } mlxcx_tir_t;
720 
721 typedef enum {
722 	MLXCX_FLOW_GROUP_CREATED	= 1 << 0,
723 	MLXCX_FLOW_GROUP_BUSY		= 1 << 1,
724 	MLXCX_FLOW_GROUP_DESTROYED	= 1 << 2,
725 } mlxcx_flow_group_state_t;
726 
727 typedef enum {
728 	MLXCX_FLOW_MATCH_SMAC		= 1 << 0,
729 	MLXCX_FLOW_MATCH_DMAC		= 1 << 1,
730 	MLXCX_FLOW_MATCH_VLAN		= 1 << 2,
731 	MLXCX_FLOW_MATCH_VID		= 1 << 3,
732 	MLXCX_FLOW_MATCH_IP_VER		= 1 << 4,
733 	MLXCX_FLOW_MATCH_SRCIP		= 1 << 5,
734 	MLXCX_FLOW_MATCH_DSTIP		= 1 << 6,
735 	MLXCX_FLOW_MATCH_IP_PROTO	= 1 << 7,
736 	MLXCX_FLOW_MATCH_SQN		= 1 << 8,
737 	MLXCX_FLOW_MATCH_VXLAN		= 1 << 9,
738 } mlxcx_flow_mask_t;
739 
740 struct mlxcx_flow_group {
741 	list_node_t			mlfg_entry;
742 	list_node_t			mlfg_role_entry;
743 	mlxcx_flow_group_state_t	mlfg_state;
744 	mlxcx_flow_table_t		*mlfg_table;
745 	uint_t				mlfg_num;
746 	size_t				mlfg_start_idx;
747 	size_t				mlfg_size;
748 	size_t				mlfg_avail;
749 	list_t				mlfg_entries;
750 	mlxcx_flow_mask_t		mlfg_mask;
751 };
752 
753 typedef enum {
754 	MLXCX_FLOW_ENTRY_RESERVED	= 1 << 0,
755 	MLXCX_FLOW_ENTRY_CREATED	= 1 << 1,
756 	MLXCX_FLOW_ENTRY_DELETED	= 1 << 2,
757 	MLXCX_FLOW_ENTRY_DIRTY		= 1 << 3,
758 } mlxcx_flow_entry_state_t;
759 
760 typedef struct {
761 	mlxcx_tir_t			*mlfed_tir;
762 	mlxcx_flow_table_t		*mlfed_flow;
763 } mlxcx_flow_entry_dest_t;
764 
765 typedef struct mlxcx_flow_entry {
766 	list_node_t			mlfe_group_entry;
767 	avl_node_t			mlfe_dmac_entry;
768 	mlxcx_flow_entry_state_t	mlfe_state;
769 	mlxcx_flow_table_t		*mlfe_table;
770 	mlxcx_flow_group_t		*mlfe_group;
771 	uint_t				mlfe_index;
772 
773 	mlxcx_flow_action_t		mlfe_action;
774 
775 	/* Criteria for match */
776 	uint8_t				mlfe_smac[ETHERADDRL];
777 	uint8_t				mlfe_dmac[ETHERADDRL];
778 
779 	mlxcx_vlan_type_t		mlfe_vlan_type;
780 	uint16_t			mlfe_vid;
781 
782 	uint_t				mlfe_ip_version;
783 	uint8_t				mlfe_srcip[IPV6_ADDR_LEN];
784 	uint8_t				mlfe_dstip[IPV6_ADDR_LEN];
785 
786 	uint_t				mlfe_ip_proto;
787 	uint16_t			mlfe_sport;
788 	uint16_t			mlfe_dport;
789 
790 	uint32_t			mlfe_sqn;
791 	uint32_t			mlfe_vxlan_vni;
792 
793 	/* Destinations */
794 	size_t				mlfe_ndest;
795 	mlxcx_flow_entry_dest_t		mlfe_dest[MLXCX_FLOW_MAX_DESTINATIONS];
796 
797 	/*
798 	 * mlxcx_group_mac_ts joining this entry to N ring groups
799 	 * only used by FEs on the root rx flow table
800 	 */
801 	list_t				mlfe_ring_groups;
802 } mlxcx_flow_entry_t;
803 
804 typedef enum {
805 	MLXCX_FLOW_TABLE_CREATED	= 1 << 0,
806 	MLXCX_FLOW_TABLE_DESTROYED	= 1 << 1,
807 	MLXCX_FLOW_TABLE_ROOT		= 1 << 2
808 } mlxcx_flow_table_state_t;
809 
810 struct mlxcx_flow_table {
811 	kmutex_t			mlft_mtx;
812 	mlxcx_flow_table_state_t	mlft_state;
813 	uint_t				mlft_level;
814 	uint_t				mlft_num;
815 	mlxcx_flow_table_type_t		mlft_type;
816 
817 	mlxcx_port_t			*mlft_port;
818 
819 	size_t				mlft_entshift;
820 	size_t				mlft_nents;
821 
822 	size_t				mlft_entsize;
823 	mlxcx_flow_entry_t		*mlft_ent;
824 
825 	/* First entry not yet claimed by a group */
826 	size_t				mlft_next_ent;
827 
828 	list_t				mlft_groups;
829 };
830 
831 typedef enum {
832 	MLXCX_GROUP_RX,
833 	MLXCX_GROUP_TX
834 } mlxcx_group_type_t;
835 
836 typedef enum {
837 	MLXCX_GROUP_INIT		= 1 << 0,
838 	MLXCX_GROUP_WQS			= 1 << 1,
839 	MLXCX_GROUP_TIRTIS		= 1 << 2,
840 	MLXCX_GROUP_FLOWS		= 1 << 3,
841 	MLXCX_GROUP_RUNNING		= 1 << 4,
842 	MLXCX_GROUP_RQT			= 1 << 5,
843 } mlxcx_group_state_t;
844 
845 #define	MLXCX_RX_HASH_FT_SIZE_SHIFT	4
846 
847 typedef enum {
848 	MLXCX_TIR_ROLE_IPv4 = 0,
849 	MLXCX_TIR_ROLE_IPv6,
850 	MLXCX_TIR_ROLE_TCPv4,
851 	MLXCX_TIR_ROLE_TCPv6,
852 	MLXCX_TIR_ROLE_UDPv4,
853 	MLXCX_TIR_ROLE_UDPv6,
854 	MLXCX_TIR_ROLE_OTHER,
855 
856 	MLXCX_TIRS_PER_GROUP
857 } mlxcx_tir_role_t;
858 
859 typedef struct {
860 	avl_node_t		mlgm_group_entry;
861 	list_node_t		mlgm_fe_entry;
862 	mlxcx_ring_group_t	*mlgm_group;
863 	uint8_t			mlgm_mac[6];
864 	mlxcx_flow_entry_t	*mlgm_fe;
865 } mlxcx_group_mac_t;
866 
867 typedef struct {
868 	list_node_t		mlgv_entry;
869 	boolean_t		mlgv_tagged;
870 	uint16_t		mlgv_vid;
871 	mlxcx_flow_entry_t	*mlgv_fe;
872 } mlxcx_group_vlan_t;
873 
874 struct mlxcx_ring_group {
875 	kmutex_t			mlg_mtx;
876 	mlxcx_t				*mlg_mlx;
877 	mlxcx_group_state_t		mlg_state;
878 	mlxcx_group_type_t		mlg_type;
879 
880 	mac_group_handle_t		mlg_mac_hdl;
881 
882 	union {
883 		mlxcx_tis_t		mlg_tis;
884 		mlxcx_tir_t		mlg_tir[MLXCX_TIRS_PER_GROUP];
885 	};
886 	mlxcx_port_t			*mlg_port;
887 
888 	size_t				mlg_nwqs;
889 	size_t				mlg_wqs_size;
890 	mlxcx_work_queue_t		*mlg_wqs;
891 
892 	mlxcx_rqtable_t			*mlg_rqt;
893 
894 	/*
895 	 * Flow table for matching VLAN IDs
896 	 */
897 	mlxcx_flow_table_t		*mlg_rx_vlan_ft;
898 	mlxcx_flow_group_t		*mlg_rx_vlan_fg;
899 	mlxcx_flow_group_t		*mlg_rx_vlan_def_fg;
900 	mlxcx_flow_group_t		*mlg_rx_vlan_promisc_fg;
901 	list_t				mlg_rx_vlans;
902 
903 	taskq_t				*mlg_refill_tq;
904 
905 	/*
906 	 * Flow table for separating out by protocol before hashing
907 	 */
908 	mlxcx_flow_table_t		*mlg_rx_hash_ft;
909 
910 	/*
911 	 * Links to flow entries on the root flow table which are pointing to
912 	 * our rx_vlan_ft.
913 	 */
914 	avl_tree_t			mlg_rx_macs;
915 };
916 
917 typedef enum mlxcx_cmd_state {
918 	MLXCX_CMD_S_DONE	= 1 << 0,
919 	MLXCX_CMD_S_ERROR	= 1 << 1
920 } mlxcx_cmd_state_t;
921 
922 struct mlxcx_cmd {
923 	struct mlxcx		*mlcmd_mlxp;
924 	kmutex_t		mlcmd_lock;
925 	kcondvar_t		mlcmd_cv;
926 
927 	boolean_t		mlcmd_poll;
928 	uint8_t			mlcmd_token;
929 	mlxcx_cmd_op_t		mlcmd_op;
930 
931 	/*
932 	 * Command data and extended mailboxes for responses.
933 	 */
934 	const void		*mlcmd_in;
935 	uint32_t		mlcmd_inlen;
936 	void			*mlcmd_out;
937 	uint32_t		mlcmd_outlen;
938 	list_t			mlcmd_mbox_in;
939 	uint8_t			mlcmd_nboxes_in;
940 	list_t			mlcmd_mbox_out;
941 	uint8_t			mlcmd_nboxes_out;
942 	/*
943 	 * Status information.
944 	 */
945 	mlxcx_cmd_state_t	mlcmd_state;
946 	uint8_t			mlcmd_status;
947 };
948 
949 /*
950  * Our view of capabilities.
951  */
952 typedef struct mlxcx_hca_cap {
953 	mlxcx_hca_cap_mode_t	mhc_mode;
954 	mlxcx_hca_cap_type_t	mhc_type;
955 	union {
956 		uint8_t				mhc_bulk[MLXCX_HCA_CAP_SIZE];
957 		mlxcx_hca_cap_general_caps_t	mhc_general;
958 		mlxcx_hca_cap_eth_caps_t	mhc_eth;
959 		mlxcx_hca_cap_flow_caps_t	mhc_flow;
960 	};
961 } mlxcx_hca_cap_t;
962 
963 typedef struct {
964 	/* Cooked values */
965 	boolean_t		mlc_checksum;
966 	boolean_t		mlc_lso;
967 	boolean_t		mlc_vxlan;
968 	size_t			mlc_max_lso_size;
969 	size_t			mlc_max_rqt_size;
970 
971 	size_t			mlc_max_rx_ft_shift;
972 	size_t			mlc_max_rx_fe_dest;
973 	size_t			mlc_max_rx_flows;
974 	size_t			mlc_max_rx_ft;
975 
976 	size_t			mlc_max_tir;
977 
978 	/* Raw caps data */
979 	mlxcx_hca_cap_t		mlc_hca_cur;
980 	mlxcx_hca_cap_t		mlc_hca_max;
981 	mlxcx_hca_cap_t		mlc_ether_cur;
982 	mlxcx_hca_cap_t		mlc_ether_max;
983 	mlxcx_hca_cap_t		mlc_nic_flow_cur;
984 	mlxcx_hca_cap_t		mlc_nic_flow_max;
985 } mlxcx_caps_t;
986 
987 typedef struct {
988 	uint_t			mldp_eq_size_shift;
989 	uint_t			mldp_cq_size_shift;
990 	uint_t			mldp_cq_size_shift_default;
991 	uint_t			mldp_rq_size_shift;
992 	uint_t			mldp_rq_size_shift_default;
993 	uint_t			mldp_sq_size_shift;
994 	uint_t			mldp_sq_size_shift_default;
995 	uint_t			mldp_cqemod_period_usec;
996 	uint_t			mldp_cqemod_count;
997 	uint_t			mldp_intrmod_period_usec;
998 	uint_t			mldp_rx_ngroups_large;
999 	uint_t			mldp_rx_ngroups_small;
1000 	uint_t			mldp_rx_nrings_per_large_group;
1001 	uint_t			mldp_rx_nrings_per_small_group;
1002 	uint_t			mldp_rx_per_cq;
1003 	uint_t			mldp_tx_ngroups;
1004 	uint_t			mldp_tx_nrings_per_group;
1005 	uint_t			mldp_ftbl_root_size_shift;
1006 	size_t			mldp_tx_bind_threshold;
1007 	uint_t			mldp_ftbl_vlan_size_shift;
1008 	uint64_t		mldp_eq_check_interval_sec;
1009 	uint64_t		mldp_cq_check_interval_sec;
1010 	uint64_t		mldp_wq_check_interval_sec;
1011 } mlxcx_drv_props_t;
1012 
1013 typedef struct {
1014 	mlxcx_t	*mlts_mlx;
1015 	uint8_t	mlts_index;
1016 	id_t	mlts_ksensor;
1017 	int16_t	mlts_value;
1018 	int16_t	mlts_max_value;
1019 	uint8_t	mlts_name[MLXCX_MTMP_NAMELEN];
1020 } mlxcx_temp_sensor_t;
1021 
1022 typedef enum {
1023 	MLXCX_ATTACH_FM		= 1 << 0,
1024 	MLXCX_ATTACH_PCI_CONFIG	= 1 << 1,
1025 	MLXCX_ATTACH_REGS	= 1 << 2,
1026 	MLXCX_ATTACH_CMD	= 1 << 3,
1027 	MLXCX_ATTACH_ENABLE_HCA	= 1 << 4,
1028 	MLXCX_ATTACH_PAGE_LIST	= 1 << 5,
1029 	MLXCX_ATTACH_INIT_HCA	= 1 << 6,
1030 	MLXCX_ATTACH_UAR_PD_TD	= 1 << 7,
1031 	MLXCX_ATTACH_INTRS	= 1 << 8,
1032 	MLXCX_ATTACH_PORTS	= 1 << 9,
1033 	MLXCX_ATTACH_MAC_HDL	= 1 << 10,
1034 	MLXCX_ATTACH_CQS	= 1 << 11,
1035 	MLXCX_ATTACH_WQS	= 1 << 12,
1036 	MLXCX_ATTACH_GROUPS	= 1 << 13,
1037 	MLXCX_ATTACH_BUFS	= 1 << 14,
1038 	MLXCX_ATTACH_CAPS	= 1 << 15,
1039 	MLXCX_ATTACH_CHKTIMERS	= 1 << 16,
1040 	MLXCX_ATTACH_ASYNC_TQ	= 1 << 17,
1041 	MLXCX_ATTACH_SENSORS	= 1 << 18
1042 } mlxcx_attach_progress_t;
1043 
1044 struct mlxcx {
1045 	/* entry on the mlxcx_glist */
1046 	list_node_t		mlx_gentry;
1047 
1048 	dev_info_t		*mlx_dip;
1049 	int			mlx_inst;
1050 	mlxcx_attach_progress_t	mlx_attach;
1051 
1052 	mlxcx_drv_props_t	mlx_props;
1053 
1054 	/*
1055 	 * Misc. data
1056 	 */
1057 	uint16_t		mlx_fw_maj;
1058 	uint16_t		mlx_fw_min;
1059 	uint16_t		mlx_fw_rev;
1060 	uint16_t		mlx_cmd_rev;
1061 
1062 	/*
1063 	 * Various capabilities of hardware.
1064 	 */
1065 	mlxcx_caps_t		*mlx_caps;
1066 
1067 	uint_t			mlx_max_sdu;
1068 	uint_t			mlx_sdu;
1069 
1070 	/*
1071 	 * FM State
1072 	 */
1073 	int			mlx_fm_caps;
1074 
1075 	/*
1076 	 * PCI Data
1077 	 */
1078 	ddi_acc_handle_t	mlx_cfg_handle;
1079 	ddi_acc_handle_t	mlx_regs_handle;
1080 	caddr_t			mlx_regs_base;
1081 
1082 	/*
1083 	 * MAC handle
1084 	 */
1085 	mac_handle_t		mlx_mac_hdl;
1086 
1087 	/*
1088 	 * Main command queue for issuing general FW control commands.
1089 	 */
1090 	mlxcx_cmd_queue_t	mlx_cmd;
1091 
1092 	/*
1093 	 * Interrupts
1094 	 */
1095 	uint_t			mlx_intr_pri;
1096 	uint_t			mlx_async_intr_pri;
1097 	uint_t			mlx_intr_type;		/* always MSI-X */
1098 	int			mlx_intr_count;
1099 	size_t			mlx_intr_size;		/* allocation size */
1100 	int			mlx_intr_cq0;
1101 	ddi_intr_handle_t	*mlx_intr_handles;
1102 
1103 	/*
1104 	 * Basic firmware resources which we use for a variety of things.
1105 	 * The UAR is a reference to a page where CQ and EQ doorbells are
1106 	 * located. It also holds all the BlueFlame stuff (which we don't
1107 	 * use).
1108 	 */
1109 	mlxcx_uar_t		mlx_uar;
1110 	/*
1111 	 * The PD (Protection Domain) and TDOM (Transport Domain) are opaque
1112 	 * entities to us (they're Infiniband constructs we don't actually care
1113 	 * about) -- we just allocate them and shove their ID numbers in
1114 	 * whenever we're asked for one.
1115 	 *
1116 	 * The "reserved" LKEY is what we should put in queue entries that
1117 	 * have references to memory to indicate that they're using linear
1118 	 * addresses (comes from the QUERY_SPECIAL_CONTEXTS cmd).
1119 	 */
1120 	mlxcx_pd_t		mlx_pd;
1121 	mlxcx_tdom_t		mlx_tdom;
1122 	uint_t			mlx_rsvd_lkey;
1123 
1124 	/*
1125 	 * Our event queues. These are 1:1 with interrupts.
1126 	 */
1127 	size_t			mlx_eqs_size;		/* allocation size */
1128 	mlxcx_event_queue_t	*mlx_eqs;
1129 
1130 	/*
1131 	 * Page list. These represent the set of 4k pages we've given to
1132 	 * hardware.
1133 	 *
1134 	 * We can add to this list at the request of hardware from interrupt
1135 	 * context (the PAGE_REQUEST event), so it's protected by pagemtx.
1136 	 */
1137 	kmutex_t		mlx_pagemtx;
1138 	uint_t			mlx_npages;
1139 	avl_tree_t		mlx_pages;
1140 
1141 	mlxcx_async_param_t	mlx_npages_req[MLXCX_FUNC_ID_MAX + 1];
1142 
1143 	/*
1144 	 * Taskq for processing asynchronous events which may issue
1145 	 * commands to the HCA.
1146 	 */
1147 	taskq_t			*mlx_async_tq;
1148 
1149 	/*
1150 	 * Port state
1151 	 */
1152 	uint_t			mlx_nports;
1153 	size_t			mlx_ports_size;
1154 	mlxcx_port_t		*mlx_ports;
1155 
1156 	/*
1157 	 * Completion queues (CQs). These are also indexed off the
1158 	 * event_queue_ts that they each report to.
1159 	 */
1160 	list_t			mlx_cqs;
1161 
1162 	uint_t			mlx_next_eq;
1163 
1164 	/*
1165 	 * Work queues (WQs).
1166 	 */
1167 	list_t			mlx_wqs;
1168 
1169 	/*
1170 	 * Ring groups
1171 	 */
1172 	size_t			mlx_rx_ngroups;
1173 	size_t			mlx_rx_groups_size;
1174 	mlxcx_ring_group_t	*mlx_rx_groups;
1175 
1176 	size_t			mlx_tx_ngroups;
1177 	size_t			mlx_tx_groups_size;
1178 	mlxcx_ring_group_t	*mlx_tx_groups;
1179 
1180 	kmem_cache_t		*mlx_bufs_cache;
1181 	list_t			mlx_buf_shards;
1182 
1183 	ddi_periodic_t		mlx_eq_checktimer;
1184 	ddi_periodic_t		mlx_cq_checktimer;
1185 	ddi_periodic_t		mlx_wq_checktimer;
1186 
1187 	/*
1188 	 * Sensors
1189 	 */
1190 	uint8_t			mlx_temp_nsensors;
1191 	mlxcx_temp_sensor_t	*mlx_temp_sensors;
1192 };
1193 
1194 /*
1195  * Register access
1196  */
1197 extern uint16_t mlxcx_get16(mlxcx_t *, uintptr_t);
1198 extern uint32_t mlxcx_get32(mlxcx_t *, uintptr_t);
1199 extern uint64_t mlxcx_get64(mlxcx_t *, uintptr_t);
1200 
1201 extern void mlxcx_put32(mlxcx_t *, uintptr_t, uint32_t);
1202 extern void mlxcx_put64(mlxcx_t *, uintptr_t, uint64_t);
1203 
1204 extern void mlxcx_uar_put32(mlxcx_t *, mlxcx_uar_t *, uintptr_t, uint32_t);
1205 extern void mlxcx_uar_put64(mlxcx_t *, mlxcx_uar_t *, uintptr_t, uint64_t);
1206 
1207 /*
1208  * Logging functions.
1209  */
1210 extern void mlxcx_warn(mlxcx_t *, const char *, ...);
1211 extern void mlxcx_note(mlxcx_t *, const char *, ...);
1212 extern void mlxcx_panic(mlxcx_t *, const char *, ...);
1213 
1214 extern void mlxcx_fm_ereport(mlxcx_t *, const char *);
1215 
1216 extern void mlxcx_check_sq(mlxcx_t *, mlxcx_work_queue_t *);
1217 extern void mlxcx_check_rq(mlxcx_t *, mlxcx_work_queue_t *);
1218 
1219 /*
1220  * DMA Functions
1221  */
1222 extern void mlxcx_dma_free(mlxcx_dma_buffer_t *);
1223 extern boolean_t mlxcx_dma_alloc(mlxcx_t *, mlxcx_dma_buffer_t *,
1224     ddi_dma_attr_t *, ddi_device_acc_attr_t *, boolean_t, size_t, boolean_t);
1225 extern boolean_t mlxcx_dma_init(mlxcx_t *, mlxcx_dma_buffer_t *,
1226     ddi_dma_attr_t *, boolean_t);
1227 extern boolean_t mlxcx_dma_bind_mblk(mlxcx_t *, mlxcx_dma_buffer_t *,
1228     const mblk_t *, size_t, boolean_t);
1229 extern boolean_t mlxcx_dma_alloc_offset(mlxcx_t *, mlxcx_dma_buffer_t *,
1230     ddi_dma_attr_t *, ddi_device_acc_attr_t *, boolean_t,
1231     size_t, size_t, boolean_t);
1232 extern void mlxcx_dma_unbind(mlxcx_t *, mlxcx_dma_buffer_t *);
1233 extern void mlxcx_dma_acc_attr(mlxcx_t *, ddi_device_acc_attr_t *);
1234 extern void mlxcx_dma_page_attr(mlxcx_t *, ddi_dma_attr_t *);
1235 extern void mlxcx_dma_queue_attr(mlxcx_t *, ddi_dma_attr_t *);
1236 extern void mlxcx_dma_qdbell_attr(mlxcx_t *, ddi_dma_attr_t *);
1237 extern void mlxcx_dma_buf_attr(mlxcx_t *, ddi_dma_attr_t *);
1238 
1239 extern boolean_t mlxcx_give_pages(mlxcx_t *, int32_t, int32_t *);
1240 
1241 static inline const ddi_dma_cookie_t *
1242 mlxcx_dma_cookie_iter(const mlxcx_dma_buffer_t *db,
1243     const ddi_dma_cookie_t *prev)
1244 {
1245 	ASSERT(db->mxdb_flags & MLXCX_DMABUF_BOUND);
1246 	return (ddi_dma_cookie_iter(db->mxdb_dma_handle, prev));
1247 }
1248 
1249 static inline const ddi_dma_cookie_t *
1250 mlxcx_dma_cookie_one(const mlxcx_dma_buffer_t *db)
1251 {
1252 	ASSERT(db->mxdb_flags & MLXCX_DMABUF_BOUND);
1253 	return (ddi_dma_cookie_one(db->mxdb_dma_handle));
1254 }
1255 
1256 /*
1257  * From mlxcx_intr.c
1258  */
1259 extern boolean_t mlxcx_intr_setup(mlxcx_t *);
1260 extern void mlxcx_intr_disable(mlxcx_t *);
1261 extern void mlxcx_intr_teardown(mlxcx_t *);
1262 extern void mlxcx_arm_eq(mlxcx_t *, mlxcx_event_queue_t *);
1263 extern void mlxcx_arm_cq(mlxcx_t *, mlxcx_completion_queue_t *);
1264 extern void mlxcx_update_cqci(mlxcx_t *, mlxcx_completion_queue_t *);
1265 
1266 extern mblk_t *mlxcx_rx_poll(mlxcx_t *, mlxcx_completion_queue_t *, size_t);
1267 
1268 /*
1269  * From mlxcx_gld.c
1270  */
1271 extern boolean_t mlxcx_register_mac(mlxcx_t *);
1272 
1273 /*
1274  * From mlxcx_ring.c
1275  */
1276 extern boolean_t mlxcx_wq_alloc_dma(mlxcx_t *, mlxcx_work_queue_t *);
1277 extern void mlxcx_wq_rele_dma(mlxcx_t *, mlxcx_work_queue_t *);
1278 
1279 extern boolean_t mlxcx_buf_create(mlxcx_t *, mlxcx_buf_shard_t *,
1280     mlxcx_buffer_t **);
1281 extern boolean_t mlxcx_buf_create_foreign(mlxcx_t *, mlxcx_buf_shard_t *,
1282     mlxcx_buffer_t **);
1283 extern mlxcx_buffer_t *mlxcx_buf_take(mlxcx_t *, mlxcx_work_queue_t *);
1284 extern size_t mlxcx_buf_take_n(mlxcx_t *, mlxcx_work_queue_t *,
1285     mlxcx_buffer_t **, size_t);
1286 extern boolean_t mlxcx_buf_loan(mlxcx_t *, mlxcx_buffer_t *);
1287 extern void mlxcx_buf_return(mlxcx_t *, mlxcx_buffer_t *);
1288 extern void mlxcx_buf_return_chain(mlxcx_t *, mlxcx_buffer_t *, boolean_t);
1289 extern void mlxcx_buf_destroy(mlxcx_t *, mlxcx_buffer_t *);
1290 extern void mlxcx_shard_ready(mlxcx_buf_shard_t *);
1291 extern void mlxcx_shard_draining(mlxcx_buf_shard_t *);
1292 
1293 extern uint_t mlxcx_buf_bind_or_copy(mlxcx_t *, mlxcx_work_queue_t *,
1294     mblk_t *, size_t, mlxcx_buffer_t **);
1295 
1296 extern boolean_t mlxcx_rx_group_setup(mlxcx_t *, mlxcx_ring_group_t *);
1297 extern boolean_t mlxcx_tx_group_setup(mlxcx_t *, mlxcx_ring_group_t *);
1298 
1299 extern boolean_t mlxcx_rx_group_start(mlxcx_t *, mlxcx_ring_group_t *);
1300 extern boolean_t mlxcx_tx_ring_start(mlxcx_t *, mlxcx_ring_group_t *,
1301     mlxcx_work_queue_t *);
1302 extern boolean_t mlxcx_rx_ring_start(mlxcx_t *, mlxcx_ring_group_t *,
1303     mlxcx_work_queue_t *);
1304 
1305 extern boolean_t mlxcx_rq_add_buffer(mlxcx_t *, mlxcx_work_queue_t *,
1306     mlxcx_buffer_t *);
1307 extern boolean_t mlxcx_rq_add_buffers(mlxcx_t *, mlxcx_work_queue_t *,
1308     mlxcx_buffer_t **, size_t);
1309 extern boolean_t mlxcx_sq_add_buffer(mlxcx_t *, mlxcx_work_queue_t *,
1310     uint8_t *, size_t, uint32_t, mlxcx_buffer_t *);
1311 extern boolean_t mlxcx_sq_add_nop(mlxcx_t *, mlxcx_work_queue_t *);
1312 extern void mlxcx_rq_refill(mlxcx_t *, mlxcx_work_queue_t *);
1313 
1314 extern void mlxcx_teardown_groups(mlxcx_t *);
1315 extern void mlxcx_wq_teardown(mlxcx_t *, mlxcx_work_queue_t *);
1316 extern void mlxcx_cq_teardown(mlxcx_t *, mlxcx_completion_queue_t *);
1317 extern void mlxcx_teardown_rx_group(mlxcx_t *, mlxcx_ring_group_t *);
1318 extern void mlxcx_teardown_tx_group(mlxcx_t *, mlxcx_ring_group_t *);
1319 
1320 extern void mlxcx_tx_completion(mlxcx_t *, mlxcx_completion_queue_t *,
1321     mlxcx_completionq_ent_t *, mlxcx_buffer_t *);
1322 extern mblk_t *mlxcx_rx_completion(mlxcx_t *, mlxcx_completion_queue_t *,
1323     mlxcx_completionq_ent_t *, mlxcx_buffer_t *);
1324 
1325 extern mlxcx_buf_shard_t *mlxcx_mlbs_create(mlxcx_t *);
1326 
1327 /*
1328  * Flow mgmt
1329  */
1330 extern boolean_t mlxcx_add_umcast_entry(mlxcx_t *, mlxcx_port_t *,
1331     mlxcx_ring_group_t *, const uint8_t *);
1332 extern boolean_t mlxcx_remove_umcast_entry(mlxcx_t *, mlxcx_port_t *,
1333     mlxcx_ring_group_t *, const uint8_t *);
1334 extern void mlxcx_remove_all_umcast_entries(mlxcx_t *, mlxcx_port_t *,
1335     mlxcx_ring_group_t *);
1336 extern boolean_t mlxcx_setup_flow_group(mlxcx_t *, mlxcx_flow_table_t *,
1337     mlxcx_flow_group_t *);
1338 extern void mlxcx_teardown_flow_table(mlxcx_t *, mlxcx_flow_table_t *);
1339 
1340 extern void mlxcx_remove_all_vlan_entries(mlxcx_t *, mlxcx_ring_group_t *);
1341 extern boolean_t mlxcx_remove_vlan_entry(mlxcx_t *, mlxcx_ring_group_t *,
1342     boolean_t, uint16_t);
1343 extern boolean_t mlxcx_add_vlan_entry(mlxcx_t *, mlxcx_ring_group_t *,
1344     boolean_t, uint16_t);
1345 
1346 /*
1347  * Command functions
1348  */
1349 extern boolean_t mlxcx_cmd_queue_init(mlxcx_t *);
1350 extern void mlxcx_cmd_queue_fini(mlxcx_t *);
1351 
1352 extern void mlxcx_cmd_completion(mlxcx_t *, mlxcx_eventq_ent_t *);
1353 extern void mlxcx_cmd_eq_enable(mlxcx_t *);
1354 extern void mlxcx_cmd_eq_disable(mlxcx_t *);
1355 
1356 extern boolean_t mlxcx_cmd_enable_hca(mlxcx_t *);
1357 extern boolean_t mlxcx_cmd_disable_hca(mlxcx_t *);
1358 
1359 extern boolean_t mlxcx_cmd_query_issi(mlxcx_t *, uint_t *);
1360 extern boolean_t mlxcx_cmd_set_issi(mlxcx_t *, uint16_t);
1361 
1362 extern boolean_t mlxcx_cmd_query_pages(mlxcx_t *, uint_t, int32_t *);
1363 extern boolean_t mlxcx_cmd_give_pages(mlxcx_t *, uint_t, int32_t,
1364     mlxcx_dev_page_t **);
1365 extern boolean_t mlxcx_cmd_return_pages(mlxcx_t *, int32_t, uint64_t *,
1366     int32_t *);
1367 
1368 extern boolean_t mlxcx_cmd_query_hca_cap(mlxcx_t *, mlxcx_hca_cap_type_t,
1369     mlxcx_hca_cap_mode_t, mlxcx_hca_cap_t *);
1370 
1371 extern boolean_t mlxcx_cmd_set_driver_version(mlxcx_t *, const char *);
1372 
1373 extern boolean_t mlxcx_cmd_init_hca(mlxcx_t *);
1374 extern boolean_t mlxcx_cmd_teardown_hca(mlxcx_t *);
1375 
1376 extern boolean_t mlxcx_cmd_alloc_uar(mlxcx_t *, mlxcx_uar_t *);
1377 extern boolean_t mlxcx_cmd_dealloc_uar(mlxcx_t *, mlxcx_uar_t *);
1378 
1379 extern boolean_t mlxcx_cmd_alloc_pd(mlxcx_t *, mlxcx_pd_t *);
1380 extern boolean_t mlxcx_cmd_dealloc_pd(mlxcx_t *, mlxcx_pd_t *);
1381 
1382 extern boolean_t mlxcx_cmd_alloc_tdom(mlxcx_t *, mlxcx_tdom_t *);
1383 extern boolean_t mlxcx_cmd_dealloc_tdom(mlxcx_t *, mlxcx_tdom_t *);
1384 
1385 extern boolean_t mlxcx_cmd_create_eq(mlxcx_t *, mlxcx_event_queue_t *);
1386 extern boolean_t mlxcx_cmd_destroy_eq(mlxcx_t *, mlxcx_event_queue_t *);
1387 extern boolean_t mlxcx_cmd_query_eq(mlxcx_t *, mlxcx_event_queue_t *,
1388     mlxcx_eventq_ctx_t *);
1389 
1390 extern boolean_t mlxcx_cmd_create_cq(mlxcx_t *, mlxcx_completion_queue_t *);
1391 extern boolean_t mlxcx_cmd_destroy_cq(mlxcx_t *, mlxcx_completion_queue_t *);
1392 extern boolean_t mlxcx_cmd_query_cq(mlxcx_t *, mlxcx_completion_queue_t *,
1393     mlxcx_completionq_ctx_t *);
1394 
1395 extern boolean_t mlxcx_cmd_create_rq(mlxcx_t *, mlxcx_work_queue_t *);
1396 extern boolean_t mlxcx_cmd_start_rq(mlxcx_t *, mlxcx_work_queue_t *);
1397 extern boolean_t mlxcx_cmd_stop_rq(mlxcx_t *, mlxcx_work_queue_t *);
1398 extern boolean_t mlxcx_cmd_destroy_rq(mlxcx_t *, mlxcx_work_queue_t *);
1399 extern boolean_t mlxcx_cmd_query_rq(mlxcx_t *, mlxcx_work_queue_t *,
1400     mlxcx_rq_ctx_t *);
1401 
1402 extern boolean_t mlxcx_cmd_create_tir(mlxcx_t *, mlxcx_tir_t *);
1403 extern boolean_t mlxcx_cmd_destroy_tir(mlxcx_t *, mlxcx_tir_t *);
1404 
1405 extern boolean_t mlxcx_cmd_create_sq(mlxcx_t *, mlxcx_work_queue_t *);
1406 extern boolean_t mlxcx_cmd_start_sq(mlxcx_t *, mlxcx_work_queue_t *);
1407 extern boolean_t mlxcx_cmd_stop_sq(mlxcx_t *, mlxcx_work_queue_t *);
1408 extern boolean_t mlxcx_cmd_destroy_sq(mlxcx_t *, mlxcx_work_queue_t *);
1409 extern boolean_t mlxcx_cmd_query_sq(mlxcx_t *, mlxcx_work_queue_t *,
1410     mlxcx_sq_ctx_t *);
1411 
1412 extern boolean_t mlxcx_cmd_create_tis(mlxcx_t *, mlxcx_tis_t *);
1413 extern boolean_t mlxcx_cmd_destroy_tis(mlxcx_t *, mlxcx_tis_t *);
1414 
1415 extern boolean_t mlxcx_cmd_query_nic_vport_ctx(mlxcx_t *, mlxcx_port_t *);
1416 extern boolean_t mlxcx_cmd_query_special_ctxs(mlxcx_t *);
1417 
1418 extern boolean_t mlxcx_cmd_modify_nic_vport_ctx(mlxcx_t *, mlxcx_port_t *,
1419     mlxcx_modify_nic_vport_ctx_fields_t);
1420 
1421 extern boolean_t mlxcx_cmd_create_flow_table(mlxcx_t *, mlxcx_flow_table_t *);
1422 extern boolean_t mlxcx_cmd_destroy_flow_table(mlxcx_t *, mlxcx_flow_table_t *);
1423 extern boolean_t mlxcx_cmd_set_flow_table_root(mlxcx_t *, mlxcx_flow_table_t *);
1424 
1425 extern boolean_t mlxcx_cmd_create_flow_group(mlxcx_t *, mlxcx_flow_group_t *);
1426 extern boolean_t mlxcx_cmd_set_flow_table_entry(mlxcx_t *,
1427     mlxcx_flow_entry_t *);
1428 extern boolean_t mlxcx_cmd_delete_flow_table_entry(mlxcx_t *,
1429     mlxcx_flow_entry_t *);
1430 extern boolean_t mlxcx_cmd_destroy_flow_group(mlxcx_t *, mlxcx_flow_group_t *);
1431 
1432 extern boolean_t mlxcx_cmd_access_register(mlxcx_t *, mlxcx_cmd_reg_opmod_t,
1433     mlxcx_register_id_t, mlxcx_register_data_t *);
1434 extern boolean_t mlxcx_cmd_query_port_mtu(mlxcx_t *, mlxcx_port_t *);
1435 extern boolean_t mlxcx_cmd_query_port_status(mlxcx_t *, mlxcx_port_t *);
1436 extern boolean_t mlxcx_cmd_modify_port_status(mlxcx_t *, mlxcx_port_t *,
1437     mlxcx_port_status_t);
1438 extern boolean_t mlxcx_cmd_query_port_speed(mlxcx_t *, mlxcx_port_t *);
1439 extern boolean_t mlxcx_cmd_query_port_fec(mlxcx_t *, mlxcx_port_t *);
1440 extern boolean_t mlxcx_cmd_modify_port_fec(mlxcx_t *, mlxcx_port_t *,
1441     mlxcx_pplm_fec_caps_t);
1442 
1443 extern boolean_t mlxcx_cmd_set_port_mtu(mlxcx_t *, mlxcx_port_t *);
1444 
1445 extern boolean_t mlxcx_cmd_create_rqt(mlxcx_t *, mlxcx_rqtable_t *);
1446 extern boolean_t mlxcx_cmd_destroy_rqt(mlxcx_t *, mlxcx_rqtable_t *);
1447 
1448 extern boolean_t mlxcx_cmd_set_int_mod(mlxcx_t *, uint_t, uint_t);
1449 
1450 extern boolean_t mlxcx_cmd_query_module_status(mlxcx_t *, uint_t,
1451     mlxcx_module_status_t *, mlxcx_module_error_type_t *);
1452 extern boolean_t mlxcx_cmd_set_port_led(mlxcx_t *, mlxcx_port_t *, uint16_t);
1453 
1454 /* Comparator for avl_ts */
1455 extern int mlxcx_cq_compare(const void *, const void *);
1456 extern int mlxcx_dmac_fe_compare(const void *, const void *);
1457 extern int mlxcx_grmac_compare(const void *, const void *);
1458 extern int mlxcx_page_compare(const void *, const void *);
1459 
1460 extern void mlxcx_update_link_state(mlxcx_t *, mlxcx_port_t *);
1461 
1462 extern void mlxcx_eth_proto_to_string(mlxcx_eth_proto_t, char *, size_t);
1463 extern const char *mlxcx_port_status_string(mlxcx_port_status_t);
1464 
1465 extern const char *mlxcx_event_name(mlxcx_event_t);
1466 
1467 /*
1468  * Sensor Functions
1469  */
1470 extern boolean_t mlxcx_setup_sensors(mlxcx_t *);
1471 extern void mlxcx_teardown_sensors(mlxcx_t *);
1472 
1473 #ifdef __cplusplus
1474 }
1475 #endif
1476 
1477 #endif /* _MLXCX_H */
1478