xref: /illumos-gate/usr/src/uts/common/io/mlxcx/mlxcx.h (revision 28ab0ca48b3e331cbbb231b1c8325f9f24f9af95)
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 2020, 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(7D) 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_eventq_state_t;
322 
323 typedef struct mlxcx_bf {
324 	kmutex_t		mbf_mtx;
325 	uint_t			mbf_cnt;
326 	uint_t			mbf_even;
327 	uint_t			mbf_odd;
328 } mlxcx_bf_t;
329 
330 typedef struct mlxcx_uar {
331 	boolean_t		mlu_allocated;
332 	uint_t			mlu_num;
333 	uint_t			mlu_base;
334 
335 	volatile uint_t		mlu_bfcnt;
336 	mlxcx_bf_t		mlu_bf[MLXCX_BF_PER_UAR];
337 } mlxcx_uar_t;
338 
339 typedef struct mlxcx_pd {
340 	boolean_t		mlpd_allocated;
341 	uint32_t		mlpd_num;
342 } mlxcx_pd_t;
343 
344 typedef struct mlxcx_tdom {
345 	boolean_t		mltd_allocated;
346 	uint32_t		mltd_num;
347 } mlxcx_tdom_t;
348 
349 typedef enum {
350 	MLXCX_PORT_VPORT_PROMISC	= 1 << 0,
351 } mlxcx_port_flags_t;
352 
353 typedef struct mlxcx_flow_table mlxcx_flow_table_t;
354 typedef struct mlxcx_flow_group mlxcx_flow_group_t;
355 
356 typedef struct {
357 	uint64_t		mlps_rx_drops;
358 } mlxcx_port_stats_t;
359 
360 typedef enum {
361 	MLXCX_PORT_INIT		= 1 << 0
362 } mlxcx_port_init_t;
363 
364 struct mlxcx_port {
365 	kmutex_t		mlp_mtx;
366 	mlxcx_port_init_t	mlp_init;
367 	mlxcx_t			*mlp_mlx;
368 	/*
369 	 * The mlp_num we have here starts at zero (it's an index), but the
370 	 * numbering we have to use for register access starts at 1. We
371 	 * currently write mlp_num into the other_vport fields in mlxcx_cmd.c
372 	 * (where 0 is a magic number meaning "my vport") so if we ever add
373 	 * support for virtualisation features and deal with more than one
374 	 * vport, we will probably have to change this.
375 	 */
376 	uint_t			mlp_num;
377 	mlxcx_port_flags_t	mlp_flags;
378 	uint64_t		mlp_guid;
379 	uint8_t			mlp_mac_address[ETHERADDRL];
380 
381 	uint_t			mlp_mtu;
382 	uint_t			mlp_max_mtu;
383 
384 	mlxcx_port_status_t	mlp_admin_status;
385 	mlxcx_port_status_t	mlp_oper_status;
386 
387 	boolean_t		mlp_autoneg;
388 	mlxcx_eth_proto_t	mlp_max_proto;
389 	mlxcx_eth_proto_t	mlp_admin_proto;
390 	mlxcx_eth_proto_t	mlp_oper_proto;
391 	mlxcx_pplm_fec_active_t	mlp_fec_active;
392 	link_fec_t		mlp_fec_requested;
393 
394 	mlxcx_eth_inline_mode_t	mlp_wqe_min_inline;
395 
396 	/* Root flow tables */
397 	mlxcx_flow_table_t	*mlp_rx_flow;
398 	mlxcx_flow_table_t	*mlp_tx_flow;
399 
400 	mlxcx_flow_group_t	*mlp_promisc;
401 	mlxcx_flow_group_t	*mlp_bcast;
402 	mlxcx_flow_group_t	*mlp_umcast;
403 
404 	avl_tree_t		mlp_dmac_fe;
405 
406 	mlxcx_port_stats_t	mlp_stats;
407 
408 	mlxcx_module_status_t	mlp_last_modstate;
409 	mlxcx_module_error_type_t	mlp_last_moderr;
410 
411 	mlxcx_async_param_t	mlx_port_event;
412 };
413 
414 typedef enum {
415 	MLXCX_EQ_TYPE_ANY,
416 	MLXCX_EQ_TYPE_RX,
417 	MLXCX_EQ_TYPE_TX
418 } mlxcx_eventq_type_t;
419 
420 /*
421  * mlxcx_event_queue_t is a representation of an event queue (EQ).
422  * There is a 1-1 tie in between an EQ and an interrupt vector, and
423  * knowledge of that effects how some members of the struct are used
424  * and modified.
425  *
426  * Most of the struct members are immmutable except for during set up and
427  * teardown, for those it is safe to access them without a mutex once
428  * the driver is initialized.
429  *
430  * Members which are not immutable and are protected by mleq_mtx are:
431  *	* mleq_state - EQ state. Changes during transitions between
432  *		       polling modes.
433  *	* mleq_cq - an AVL tree of completions queues using this EQ.
434  *
435  * Another member which is not immutable is mleq_cc. This is the EQ
436  * consumer counter, it *must* only be incremented in the EQ's interrupt
437  * context. It is also fed back to the hardware during re-arming of
438  * the EQ, again this *must* only happen in the EQ's interrupt context.
439  *
440  * There are a couple of struct members (mleq_check_disarm_cc and
441  * mleq_check_disarm_cnt) which are used to help monitor the health
442  * and consistency of the EQ. They are only used and modified during health
443  * monitoring, which is both infrequent and single threaded, consequently
444  * no mutex guards are needed.
445  *
446  * Care is taken not to use the mleq_mtx when possible, both to avoid
447  * contention in what is "hot" code and avoid breaking requirements
448  * of mac(9E).
449  */
450 typedef struct mlxcx_event_queue {
451 	kmutex_t		mleq_mtx;
452 	kcondvar_t		mleq_cv;
453 	mlxcx_t			*mleq_mlx;
454 	mlxcx_eventq_state_t	mleq_state;
455 	mlxcx_eventq_type_t	mleq_type;
456 
457 	mlxcx_dma_buffer_t	mleq_dma;
458 
459 	size_t			mleq_entshift;
460 	size_t			mleq_nents;
461 	mlxcx_eventq_ent_t	*mleq_ent;
462 	uint32_t		mleq_cc;	/* consumer counter */
463 	uint32_t		mleq_cc_armed;
464 
465 	uint32_t		mleq_events;
466 
467 	uint32_t		mleq_badintrs;
468 
469 	/* Hardware eq number */
470 	uint_t			mleq_num;
471 	/* Index into the mlxcx_t's interrupts array */
472 	uint_t			mleq_intr_index;
473 
474 	/* UAR region that has this EQ's doorbell in it */
475 	mlxcx_uar_t		*mleq_uar;
476 
477 	/* Tree of CQn => mlxcx_completion_queue_t */
478 	avl_tree_t		mleq_cqs;
479 
480 	uint32_t		mleq_check_disarm_cc;
481 	uint_t			mleq_check_disarm_cnt;
482 } mlxcx_event_queue_t;
483 
484 typedef enum {
485 	MLXCX_TIS_CREATED		= 1 << 0,
486 	MLXCX_TIS_DESTROYED		= 1 << 1,
487 } mlxcx_tis_state_t;
488 
489 typedef struct mlxcx_tis {
490 	mlxcx_tis_state_t		mltis_state;
491 	list_node_t			mltis_entry;
492 	uint_t				mltis_num;
493 	mlxcx_tdom_t			*mltis_tdom;
494 } mlxcx_tis_t;
495 
496 typedef enum {
497 	MLXCX_BUFFER_INIT,
498 	MLXCX_BUFFER_FREE,
499 	MLXCX_BUFFER_ON_WQ,
500 	MLXCX_BUFFER_ON_LOAN,
501 	MLXCX_BUFFER_ON_CHAIN,
502 } mlxcx_buffer_state_t;
503 
504 typedef enum {
505 	MLXCX_SHARD_READY,
506 	MLXCX_SHARD_DRAINING,
507 } mlxcx_shard_state_t;
508 
509 typedef struct mlxcx_buf_shard {
510 	mlxcx_shard_state_t	mlbs_state;
511 	list_node_t		mlbs_entry;
512 	kmutex_t		mlbs_mtx;
513 	list_t			mlbs_busy;
514 	list_t			mlbs_free;
515 	list_t			mlbs_loaned;
516 	kcondvar_t		mlbs_free_nonempty;
517 } mlxcx_buf_shard_t;
518 
519 typedef struct mlxcx_buffer {
520 	mlxcx_buf_shard_t	*mlb_shard;
521 	list_node_t		mlb_entry;
522 	list_node_t		mlb_cq_entry;
523 
524 	struct mlxcx_buffer	*mlb_tx_head;	/* head of tx chain */
525 	list_t			mlb_tx_chain;
526 	list_node_t		mlb_tx_chain_entry;
527 
528 	boolean_t		mlb_foreign;
529 	size_t			mlb_used;
530 	mblk_t			*mlb_tx_mp;
531 
532 	/*
533 	 * The number of work queue basic blocks this buf uses.
534 	 */
535 	uint_t			mlb_wqebbs;
536 
537 	mlxcx_t			*mlb_mlx;
538 	mlxcx_buffer_state_t	mlb_state;
539 	uint_t			mlb_wqe_index;
540 	mlxcx_dma_buffer_t	mlb_dma;
541 	mblk_t			*mlb_mp;
542 	frtn_t			mlb_frtn;
543 } mlxcx_buffer_t;
544 
545 typedef enum {
546 	MLXCX_CQ_ALLOC		= 1 << 0,
547 	MLXCX_CQ_CREATED	= 1 << 1,
548 	MLXCX_CQ_DESTROYED	= 1 << 2,
549 	MLXCX_CQ_EQAVL		= 1 << 3,
550 	MLXCX_CQ_BLOCKED_MAC	= 1 << 4,
551 	MLXCX_CQ_TEARDOWN	= 1 << 5,
552 	MLXCX_CQ_POLLING	= 1 << 6,
553 	MLXCX_CQ_ARMED		= 1 << 7,
554 } mlxcx_completionq_state_t;
555 
556 typedef struct mlxcx_work_queue mlxcx_work_queue_t;
557 
558 typedef struct mlxcx_completion_queue {
559 	kmutex_t			mlcq_mtx;
560 	kmutex_t			mlcq_arm_mtx;
561 	mlxcx_t				*mlcq_mlx;
562 	mlxcx_completionq_state_t	mlcq_state;
563 
564 	mlxcx_port_stats_t		*mlcq_stats;
565 
566 	list_node_t			mlcq_entry;
567 	avl_node_t			mlcq_eq_entry;
568 
569 	uint_t				mlcq_num;
570 
571 	mlxcx_work_queue_t		*mlcq_wq;
572 	mlxcx_event_queue_t		*mlcq_eq;
573 
574 	/* UAR region that has this CQ's UAR doorbell in it */
575 	mlxcx_uar_t			*mlcq_uar;
576 
577 	mlxcx_dma_buffer_t		mlcq_dma;
578 
579 	size_t				mlcq_entshift;
580 	size_t				mlcq_nents;
581 	mlxcx_completionq_ent_t		*mlcq_ent;
582 	uint32_t			mlcq_cc;	/* consumer counter */
583 	uint32_t			mlcq_cc_armed;	/* cc at last arm */
584 	uint32_t			mlcq_ec;	/* event counter */
585 	uint32_t			mlcq_ec_armed;	/* ec at last arm */
586 
587 	mlxcx_dma_buffer_t		mlcq_doorbell_dma;
588 	mlxcx_completionq_doorbell_t	*mlcq_doorbell;
589 
590 	uint64_t			mlcq_bufcnt;
591 	size_t				mlcq_bufhwm;
592 	size_t				mlcq_buflwm;
593 	list_t				mlcq_buffers;
594 	kmutex_t			mlcq_bufbmtx;
595 	list_t				mlcq_buffers_b;
596 
597 	uint_t				mlcq_check_disarm_cnt;
598 	uint64_t			mlcq_check_disarm_cc;
599 
600 	uint_t				mlcq_cqemod_period_usec;
601 	uint_t				mlcq_cqemod_count;
602 
603 	mac_ring_handle_t		mlcq_mac_hdl;
604 	uint64_t			mlcq_mac_gen;
605 
606 	boolean_t			mlcq_fm_repd_qstate;
607 } mlxcx_completion_queue_t;
608 
609 typedef enum {
610 	MLXCX_WQ_ALLOC		= 1 << 0,
611 	MLXCX_WQ_CREATED	= 1 << 1,
612 	MLXCX_WQ_STARTED	= 1 << 2,
613 	MLXCX_WQ_DESTROYED	= 1 << 3,
614 	MLXCX_WQ_TEARDOWN	= 1 << 4,
615 	MLXCX_WQ_BUFFERS	= 1 << 5,
616 	MLXCX_WQ_REFILLING	= 1 << 6,
617 	MLXCX_WQ_BLOCKED_MAC	= 1 << 7
618 } mlxcx_workq_state_t;
619 
620 typedef enum {
621 	MLXCX_WQ_TYPE_SENDQ = 1,
622 	MLXCX_WQ_TYPE_RECVQ
623 } mlxcx_workq_type_t;
624 
625 typedef struct mlxcx_ring_group mlxcx_ring_group_t;
626 
627 struct mlxcx_work_queue {
628 	kmutex_t			mlwq_mtx;
629 	mlxcx_t				*mlwq_mlx;
630 	mlxcx_workq_type_t		mlwq_type;
631 	mlxcx_workq_state_t		mlwq_state;
632 
633 	list_node_t			mlwq_entry;
634 	list_node_t			mlwq_group_entry;
635 
636 	mlxcx_ring_group_t		*mlwq_group;
637 
638 	uint_t				mlwq_num;
639 
640 	mlxcx_completion_queue_t	*mlwq_cq;
641 	mlxcx_pd_t			*mlwq_pd;
642 
643 	/* Required for send queues */
644 	mlxcx_tis_t			*mlwq_tis;
645 
646 	/* UAR region that has this WQ's blueflame buffers in it */
647 	mlxcx_uar_t			*mlwq_uar;
648 
649 	mlxcx_dma_buffer_t		mlwq_dma;
650 
651 	mlxcx_eth_inline_mode_t		mlwq_inline_mode;
652 	size_t				mlwq_entshift;
653 	size_t				mlwq_nents;
654 	/* Discriminate based on mwq_type */
655 	union {
656 		mlxcx_sendq_ent_t	*mlwq_send_ent;
657 		mlxcx_sendq_extra_ent_t	*mlwq_send_extra_ent;
658 		mlxcx_recvq_ent_t	*mlwq_recv_ent;
659 		mlxcx_sendq_bf_t	*mlwq_bf_ent;
660 	};
661 	uint64_t			mlwq_pc;	/* producer counter */
662 
663 	uint64_t			mlwq_wqebb_used;
664 	size_t				mlwq_bufhwm;
665 	size_t				mlwq_buflwm;
666 
667 	mlxcx_dma_buffer_t		mlwq_doorbell_dma;
668 	mlxcx_workq_doorbell_t		*mlwq_doorbell;
669 
670 	mlxcx_buf_shard_t		*mlwq_bufs;
671 	mlxcx_buf_shard_t		*mlwq_foreign_bufs;
672 
673 	taskq_ent_t			mlwq_tqe;
674 
675 	boolean_t			mlwq_fm_repd_qstate;
676 };
677 
678 #define	MLXCX_RQT_MAX_SIZE		64
679 
680 typedef enum {
681 	MLXCX_RQT_CREATED		= 1 << 0,
682 	MLXCX_RQT_DESTROYED		= 1 << 1,
683 	MLXCX_RQT_DIRTY			= 1 << 2,
684 } mlxcx_rqtable_state_t;
685 
686 typedef struct mlxcx_rqtable {
687 	mlxcx_rqtable_state_t		mlrqt_state;
688 	list_node_t			mlrqt_entry;
689 	uint_t				mlrqt_num;
690 
691 	size_t				mlrqt_max;
692 	size_t				mlrqt_used;
693 
694 	size_t				mlrqt_rq_size;
695 	mlxcx_work_queue_t		**mlrqt_rq;
696 } mlxcx_rqtable_t;
697 
698 typedef enum {
699 	MLXCX_TIR_CREATED		= 1 << 0,
700 	MLXCX_TIR_DESTROYED		= 1 << 1,
701 } mlxcx_tir_state_t;
702 
703 typedef struct mlxcx_tir {
704 	mlxcx_tir_state_t		mltir_state;
705 	list_node_t			mltir_entry;
706 	uint_t				mltir_num;
707 	mlxcx_tdom_t			*mltir_tdom;
708 	mlxcx_tir_type_t		mltir_type;
709 	union {
710 		mlxcx_rqtable_t			*mltir_rqtable;
711 		mlxcx_work_queue_t		*mltir_rq;
712 	};
713 	mlxcx_tir_hash_fn_t		mltir_hash_fn;
714 	uint8_t				mltir_toeplitz_key[40];
715 	mlxcx_tir_rx_hash_l3_type_t	mltir_l3_type;
716 	mlxcx_tir_rx_hash_l4_type_t	mltir_l4_type;
717 	mlxcx_tir_rx_hash_fields_t	mltir_hash_fields;
718 } mlxcx_tir_t;
719 
720 typedef enum {
721 	MLXCX_FLOW_GROUP_CREATED	= 1 << 0,
722 	MLXCX_FLOW_GROUP_BUSY		= 1 << 1,
723 	MLXCX_FLOW_GROUP_DESTROYED	= 1 << 2,
724 } mlxcx_flow_group_state_t;
725 
726 typedef enum {
727 	MLXCX_FLOW_MATCH_SMAC		= 1 << 0,
728 	MLXCX_FLOW_MATCH_DMAC		= 1 << 1,
729 	MLXCX_FLOW_MATCH_VLAN		= 1 << 2,
730 	MLXCX_FLOW_MATCH_VID		= 1 << 3,
731 	MLXCX_FLOW_MATCH_IP_VER		= 1 << 4,
732 	MLXCX_FLOW_MATCH_SRCIP		= 1 << 5,
733 	MLXCX_FLOW_MATCH_DSTIP		= 1 << 6,
734 	MLXCX_FLOW_MATCH_IP_PROTO	= 1 << 7,
735 	MLXCX_FLOW_MATCH_SQN		= 1 << 8,
736 	MLXCX_FLOW_MATCH_VXLAN		= 1 << 9,
737 } mlxcx_flow_mask_t;
738 
739 struct mlxcx_flow_group {
740 	list_node_t			mlfg_entry;
741 	list_node_t			mlfg_role_entry;
742 	mlxcx_flow_group_state_t	mlfg_state;
743 	mlxcx_flow_table_t		*mlfg_table;
744 	uint_t				mlfg_num;
745 	size_t				mlfg_start_idx;
746 	size_t				mlfg_size;
747 	size_t				mlfg_avail;
748 	list_t				mlfg_entries;
749 	mlxcx_flow_mask_t		mlfg_mask;
750 };
751 
752 typedef enum {
753 	MLXCX_FLOW_ENTRY_RESERVED	= 1 << 0,
754 	MLXCX_FLOW_ENTRY_CREATED	= 1 << 1,
755 	MLXCX_FLOW_ENTRY_DELETED	= 1 << 2,
756 	MLXCX_FLOW_ENTRY_DIRTY		= 1 << 3,
757 } mlxcx_flow_entry_state_t;
758 
759 typedef struct {
760 	mlxcx_tir_t			*mlfed_tir;
761 	mlxcx_flow_table_t		*mlfed_flow;
762 } mlxcx_flow_entry_dest_t;
763 
764 typedef struct mlxcx_flow_entry {
765 	list_node_t			mlfe_group_entry;
766 	avl_node_t			mlfe_dmac_entry;
767 	mlxcx_flow_entry_state_t	mlfe_state;
768 	mlxcx_flow_table_t		*mlfe_table;
769 	mlxcx_flow_group_t		*mlfe_group;
770 	uint_t				mlfe_index;
771 
772 	mlxcx_flow_action_t		mlfe_action;
773 
774 	/* Criteria for match */
775 	uint8_t				mlfe_smac[ETHERADDRL];
776 	uint8_t				mlfe_dmac[ETHERADDRL];
777 
778 	mlxcx_vlan_type_t		mlfe_vlan_type;
779 	uint16_t			mlfe_vid;
780 
781 	uint_t				mlfe_ip_version;
782 	uint8_t				mlfe_srcip[IPV6_ADDR_LEN];
783 	uint8_t				mlfe_dstip[IPV6_ADDR_LEN];
784 
785 	uint_t				mlfe_ip_proto;
786 	uint16_t			mlfe_sport;
787 	uint16_t			mlfe_dport;
788 
789 	uint32_t			mlfe_sqn;
790 	uint32_t			mlfe_vxlan_vni;
791 
792 	/* Destinations */
793 	size_t				mlfe_ndest;
794 	mlxcx_flow_entry_dest_t		mlfe_dest[MLXCX_FLOW_MAX_DESTINATIONS];
795 
796 	/*
797 	 * mlxcx_group_mac_ts joining this entry to N ring groups
798 	 * only used by FEs on the root rx flow table
799 	 */
800 	list_t				mlfe_ring_groups;
801 } mlxcx_flow_entry_t;
802 
803 typedef enum {
804 	MLXCX_FLOW_TABLE_CREATED	= 1 << 0,
805 	MLXCX_FLOW_TABLE_DESTROYED	= 1 << 1,
806 	MLXCX_FLOW_TABLE_ROOT		= 1 << 2
807 } mlxcx_flow_table_state_t;
808 
809 struct mlxcx_flow_table {
810 	kmutex_t			mlft_mtx;
811 	mlxcx_flow_table_state_t	mlft_state;
812 	uint_t				mlft_level;
813 	uint_t				mlft_num;
814 	mlxcx_flow_table_type_t		mlft_type;
815 
816 	mlxcx_port_t			*mlft_port;
817 
818 	size_t				mlft_entshift;
819 	size_t				mlft_nents;
820 
821 	size_t				mlft_entsize;
822 	mlxcx_flow_entry_t		*mlft_ent;
823 
824 	/* First entry not yet claimed by a group */
825 	size_t				mlft_next_ent;
826 
827 	list_t				mlft_groups;
828 };
829 
830 typedef enum {
831 	MLXCX_GROUP_RX,
832 	MLXCX_GROUP_TX
833 } mlxcx_group_type_t;
834 
835 typedef enum {
836 	MLXCX_GROUP_INIT		= 1 << 0,
837 	MLXCX_GROUP_WQS			= 1 << 1,
838 	MLXCX_GROUP_TIRTIS		= 1 << 2,
839 	MLXCX_GROUP_FLOWS		= 1 << 3,
840 	MLXCX_GROUP_RUNNING		= 1 << 4,
841 	MLXCX_GROUP_RQT			= 1 << 5,
842 } mlxcx_group_state_t;
843 
844 #define	MLXCX_RX_HASH_FT_SIZE_SHIFT	4
845 
846 typedef enum {
847 	MLXCX_TIR_ROLE_IPv4 = 0,
848 	MLXCX_TIR_ROLE_IPv6,
849 	MLXCX_TIR_ROLE_TCPv4,
850 	MLXCX_TIR_ROLE_TCPv6,
851 	MLXCX_TIR_ROLE_UDPv4,
852 	MLXCX_TIR_ROLE_UDPv6,
853 	MLXCX_TIR_ROLE_OTHER,
854 
855 	MLXCX_TIRS_PER_GROUP
856 } mlxcx_tir_role_t;
857 
858 typedef struct {
859 	avl_node_t		mlgm_group_entry;
860 	list_node_t		mlgm_fe_entry;
861 	mlxcx_ring_group_t	*mlgm_group;
862 	uint8_t			mlgm_mac[6];
863 	mlxcx_flow_entry_t	*mlgm_fe;
864 } mlxcx_group_mac_t;
865 
866 typedef struct {
867 	list_node_t		mlgv_entry;
868 	boolean_t		mlgv_tagged;
869 	uint16_t		mlgv_vid;
870 	mlxcx_flow_entry_t	*mlgv_fe;
871 } mlxcx_group_vlan_t;
872 
873 struct mlxcx_ring_group {
874 	kmutex_t			mlg_mtx;
875 	mlxcx_t				*mlg_mlx;
876 	mlxcx_group_state_t		mlg_state;
877 	mlxcx_group_type_t		mlg_type;
878 
879 	mac_group_handle_t		mlg_mac_hdl;
880 
881 	union {
882 		mlxcx_tis_t		mlg_tis;
883 		mlxcx_tir_t		mlg_tir[MLXCX_TIRS_PER_GROUP];
884 	};
885 	mlxcx_port_t			*mlg_port;
886 
887 	size_t				mlg_nwqs;
888 	size_t				mlg_wqs_size;
889 	mlxcx_work_queue_t		*mlg_wqs;
890 
891 	mlxcx_rqtable_t			*mlg_rqt;
892 
893 	/*
894 	 * Flow table for matching VLAN IDs
895 	 */
896 	mlxcx_flow_table_t		*mlg_rx_vlan_ft;
897 	mlxcx_flow_group_t		*mlg_rx_vlan_fg;
898 	mlxcx_flow_group_t		*mlg_rx_vlan_def_fg;
899 	mlxcx_flow_group_t		*mlg_rx_vlan_promisc_fg;
900 	list_t				mlg_rx_vlans;
901 
902 	taskq_t				*mlg_refill_tq;
903 
904 	/*
905 	 * Flow table for separating out by protocol before hashing
906 	 */
907 	mlxcx_flow_table_t		*mlg_rx_hash_ft;
908 
909 	/*
910 	 * Links to flow entries on the root flow table which are pointing to
911 	 * our rx_vlan_ft.
912 	 */
913 	avl_tree_t			mlg_rx_macs;
914 };
915 
916 typedef enum mlxcx_cmd_state {
917 	MLXCX_CMD_S_DONE	= 1 << 0,
918 	MLXCX_CMD_S_ERROR	= 1 << 1
919 } mlxcx_cmd_state_t;
920 
921 struct mlxcx_cmd {
922 	struct mlxcx		*mlcmd_mlxp;
923 	kmutex_t		mlcmd_lock;
924 	kcondvar_t		mlcmd_cv;
925 
926 	boolean_t		mlcmd_poll;
927 	uint8_t			mlcmd_token;
928 	mlxcx_cmd_op_t		mlcmd_op;
929 
930 	/*
931 	 * Command data and extended mailboxes for responses.
932 	 */
933 	const void		*mlcmd_in;
934 	uint32_t		mlcmd_inlen;
935 	void			*mlcmd_out;
936 	uint32_t		mlcmd_outlen;
937 	list_t			mlcmd_mbox_in;
938 	uint8_t			mlcmd_nboxes_in;
939 	list_t			mlcmd_mbox_out;
940 	uint8_t			mlcmd_nboxes_out;
941 	/*
942 	 * Status information.
943 	 */
944 	mlxcx_cmd_state_t	mlcmd_state;
945 	uint8_t			mlcmd_status;
946 };
947 
948 /*
949  * Our view of capabilities.
950  */
951 typedef struct mlxcx_hca_cap {
952 	mlxcx_hca_cap_mode_t	mhc_mode;
953 	mlxcx_hca_cap_type_t	mhc_type;
954 	union {
955 		uint8_t				mhc_bulk[MLXCX_HCA_CAP_SIZE];
956 		mlxcx_hca_cap_general_caps_t	mhc_general;
957 		mlxcx_hca_cap_eth_caps_t	mhc_eth;
958 		mlxcx_hca_cap_flow_caps_t	mhc_flow;
959 	};
960 } mlxcx_hca_cap_t;
961 
962 typedef struct {
963 	/* Cooked values */
964 	boolean_t		mlc_checksum;
965 	boolean_t		mlc_lso;
966 	boolean_t		mlc_vxlan;
967 	size_t			mlc_max_lso_size;
968 	size_t			mlc_max_rqt_size;
969 
970 	size_t			mlc_max_rx_ft_shift;
971 	size_t			mlc_max_rx_fe_dest;
972 	size_t			mlc_max_rx_flows;
973 	size_t			mlc_max_rx_ft;
974 
975 	size_t			mlc_max_tir;
976 
977 	/* Raw caps data */
978 	mlxcx_hca_cap_t		mlc_hca_cur;
979 	mlxcx_hca_cap_t		mlc_hca_max;
980 	mlxcx_hca_cap_t		mlc_ether_cur;
981 	mlxcx_hca_cap_t		mlc_ether_max;
982 	mlxcx_hca_cap_t		mlc_nic_flow_cur;
983 	mlxcx_hca_cap_t		mlc_nic_flow_max;
984 } mlxcx_caps_t;
985 
986 typedef struct {
987 	uint_t			mldp_eq_size_shift;
988 	uint_t			mldp_cq_size_shift;
989 	uint_t			mldp_cq_size_shift_default;
990 	uint_t			mldp_rq_size_shift;
991 	uint_t			mldp_rq_size_shift_default;
992 	uint_t			mldp_sq_size_shift;
993 	uint_t			mldp_sq_size_shift_default;
994 	uint_t			mldp_cqemod_period_usec;
995 	uint_t			mldp_cqemod_count;
996 	uint_t			mldp_intrmod_period_usec;
997 	uint_t			mldp_rx_ngroups_large;
998 	uint_t			mldp_rx_ngroups_small;
999 	uint_t			mldp_rx_nrings_per_large_group;
1000 	uint_t			mldp_rx_nrings_per_small_group;
1001 	uint_t			mldp_rx_per_cq;
1002 	uint_t			mldp_tx_ngroups;
1003 	uint_t			mldp_tx_nrings_per_group;
1004 	uint_t			mldp_ftbl_root_size_shift;
1005 	size_t			mldp_tx_bind_threshold;
1006 	uint_t			mldp_ftbl_vlan_size_shift;
1007 	uint64_t		mldp_eq_check_interval_sec;
1008 	uint64_t		mldp_cq_check_interval_sec;
1009 	uint64_t		mldp_wq_check_interval_sec;
1010 } mlxcx_drv_props_t;
1011 
1012 typedef struct {
1013 	mlxcx_t	*mlts_mlx;
1014 	uint8_t	mlts_index;
1015 	id_t	mlts_ksensor;
1016 	int16_t	mlts_value;
1017 	int16_t	mlts_max_value;
1018 	uint8_t	mlts_name[MLXCX_MTMP_NAMELEN];
1019 } mlxcx_temp_sensor_t;
1020 
1021 typedef enum {
1022 	MLXCX_ATTACH_FM		= 1 << 0,
1023 	MLXCX_ATTACH_PCI_CONFIG	= 1 << 1,
1024 	MLXCX_ATTACH_REGS	= 1 << 2,
1025 	MLXCX_ATTACH_CMD	= 1 << 3,
1026 	MLXCX_ATTACH_ENABLE_HCA	= 1 << 4,
1027 	MLXCX_ATTACH_PAGE_LIST	= 1 << 5,
1028 	MLXCX_ATTACH_INIT_HCA	= 1 << 6,
1029 	MLXCX_ATTACH_UAR_PD_TD	= 1 << 7,
1030 	MLXCX_ATTACH_INTRS	= 1 << 8,
1031 	MLXCX_ATTACH_PORTS	= 1 << 9,
1032 	MLXCX_ATTACH_MAC_HDL	= 1 << 10,
1033 	MLXCX_ATTACH_CQS	= 1 << 11,
1034 	MLXCX_ATTACH_WQS	= 1 << 12,
1035 	MLXCX_ATTACH_GROUPS	= 1 << 13,
1036 	MLXCX_ATTACH_BUFS	= 1 << 14,
1037 	MLXCX_ATTACH_CAPS	= 1 << 15,
1038 	MLXCX_ATTACH_CHKTIMERS	= 1 << 16,
1039 	MLXCX_ATTACH_ASYNC_TQ	= 1 << 17,
1040 	MLXCX_ATTACH_SENSORS	= 1 << 18
1041 } mlxcx_attach_progress_t;
1042 
1043 struct mlxcx {
1044 	/* entry on the mlxcx_glist */
1045 	list_node_t		mlx_gentry;
1046 
1047 	dev_info_t		*mlx_dip;
1048 	int			mlx_inst;
1049 	mlxcx_attach_progress_t	mlx_attach;
1050 
1051 	mlxcx_drv_props_t	mlx_props;
1052 
1053 	/*
1054 	 * Misc. data
1055 	 */
1056 	uint16_t		mlx_fw_maj;
1057 	uint16_t		mlx_fw_min;
1058 	uint16_t		mlx_fw_rev;
1059 	uint16_t		mlx_cmd_rev;
1060 
1061 	/*
1062 	 * Various capabilities of hardware.
1063 	 */
1064 	mlxcx_caps_t		*mlx_caps;
1065 
1066 	uint_t			mlx_max_sdu;
1067 	uint_t			mlx_sdu;
1068 
1069 	/*
1070 	 * FM State
1071 	 */
1072 	int			mlx_fm_caps;
1073 
1074 	/*
1075 	 * PCI Data
1076 	 */
1077 	ddi_acc_handle_t	mlx_cfg_handle;
1078 	ddi_acc_handle_t	mlx_regs_handle;
1079 	caddr_t			mlx_regs_base;
1080 
1081 	/*
1082 	 * MAC handle
1083 	 */
1084 	mac_handle_t		mlx_mac_hdl;
1085 
1086 	/*
1087 	 * Main command queue for issuing general FW control commands.
1088 	 */
1089 	mlxcx_cmd_queue_t	mlx_cmd;
1090 
1091 	/*
1092 	 * Interrupts
1093 	 */
1094 	uint_t			mlx_intr_pri;
1095 	uint_t			mlx_async_intr_pri;
1096 	uint_t			mlx_intr_type;		/* always MSI-X */
1097 	int			mlx_intr_count;
1098 	size_t			mlx_intr_size;		/* allocation size */
1099 	int			mlx_intr_cq0;
1100 	ddi_intr_handle_t	*mlx_intr_handles;
1101 
1102 	/*
1103 	 * Basic firmware resources which we use for a variety of things.
1104 	 * The UAR is a reference to a page where CQ and EQ doorbells are
1105 	 * located. It also holds all the BlueFlame stuff (which we don't
1106 	 * use).
1107 	 */
1108 	mlxcx_uar_t		mlx_uar;
1109 	/*
1110 	 * The PD (Protection Domain) and TDOM (Transport Domain) are opaque
1111 	 * entities to us (they're Infiniband constructs we don't actually care
1112 	 * about) -- we just allocate them and shove their ID numbers in
1113 	 * whenever we're asked for one.
1114 	 *
1115 	 * The "reserved" LKEY is what we should put in queue entries that
1116 	 * have references to memory to indicate that they're using linear
1117 	 * addresses (comes from the QUERY_SPECIAL_CONTEXTS cmd).
1118 	 */
1119 	mlxcx_pd_t		mlx_pd;
1120 	mlxcx_tdom_t		mlx_tdom;
1121 	uint_t			mlx_rsvd_lkey;
1122 
1123 	/*
1124 	 * Our event queues. These are 1:1 with interrupts.
1125 	 */
1126 	size_t			mlx_eqs_size;		/* allocation size */
1127 	mlxcx_event_queue_t	*mlx_eqs;
1128 
1129 	/*
1130 	 * Page list. These represent the set of 4k pages we've given to
1131 	 * hardware.
1132 	 *
1133 	 * We can add to this list at the request of hardware from interrupt
1134 	 * context (the PAGE_REQUEST event), so it's protected by pagemtx.
1135 	 */
1136 	kmutex_t		mlx_pagemtx;
1137 	uint_t			mlx_npages;
1138 	avl_tree_t		mlx_pages;
1139 
1140 	mlxcx_async_param_t	mlx_npages_req[MLXCX_FUNC_ID_MAX + 1];
1141 
1142 	/*
1143 	 * Taskq for processing asynchronous events which may issue
1144 	 * commands to the HCA.
1145 	 */
1146 	taskq_t			*mlx_async_tq;
1147 
1148 	/*
1149 	 * Port state
1150 	 */
1151 	uint_t			mlx_nports;
1152 	size_t			mlx_ports_size;
1153 	mlxcx_port_t		*mlx_ports;
1154 
1155 	/*
1156 	 * Completion queues (CQs). These are also indexed off the
1157 	 * event_queue_ts that they each report to.
1158 	 */
1159 	list_t			mlx_cqs;
1160 
1161 	uint_t			mlx_next_eq;
1162 
1163 	/*
1164 	 * Work queues (WQs).
1165 	 */
1166 	list_t			mlx_wqs;
1167 
1168 	/*
1169 	 * Ring groups
1170 	 */
1171 	size_t			mlx_rx_ngroups;
1172 	size_t			mlx_rx_groups_size;
1173 	mlxcx_ring_group_t	*mlx_rx_groups;
1174 
1175 	size_t			mlx_tx_ngroups;
1176 	size_t			mlx_tx_groups_size;
1177 	mlxcx_ring_group_t	*mlx_tx_groups;
1178 
1179 	kmem_cache_t		*mlx_bufs_cache;
1180 	list_t			mlx_buf_shards;
1181 
1182 	ddi_periodic_t		mlx_eq_checktimer;
1183 	ddi_periodic_t		mlx_cq_checktimer;
1184 	ddi_periodic_t		mlx_wq_checktimer;
1185 
1186 	/*
1187 	 * Sensors
1188 	 */
1189 	uint8_t			mlx_temp_nsensors;
1190 	mlxcx_temp_sensor_t	*mlx_temp_sensors;
1191 };
1192 
1193 /*
1194  * Register access
1195  */
1196 extern uint16_t mlxcx_get16(mlxcx_t *, uintptr_t);
1197 extern uint32_t mlxcx_get32(mlxcx_t *, uintptr_t);
1198 extern uint64_t mlxcx_get64(mlxcx_t *, uintptr_t);
1199 
1200 extern void mlxcx_put32(mlxcx_t *, uintptr_t, uint32_t);
1201 extern void mlxcx_put64(mlxcx_t *, uintptr_t, uint64_t);
1202 
1203 extern void mlxcx_uar_put32(mlxcx_t *, mlxcx_uar_t *, uintptr_t, uint32_t);
1204 extern void mlxcx_uar_put64(mlxcx_t *, mlxcx_uar_t *, uintptr_t, uint64_t);
1205 
1206 /*
1207  * Logging functions.
1208  */
1209 extern void mlxcx_warn(mlxcx_t *, const char *, ...);
1210 extern void mlxcx_note(mlxcx_t *, const char *, ...);
1211 extern void mlxcx_panic(mlxcx_t *, const char *, ...);
1212 
1213 extern void mlxcx_fm_ereport(mlxcx_t *, const char *);
1214 
1215 extern void mlxcx_check_sq(mlxcx_t *, mlxcx_work_queue_t *);
1216 extern void mlxcx_check_rq(mlxcx_t *, mlxcx_work_queue_t *);
1217 
1218 /*
1219  * DMA Functions
1220  */
1221 extern void mlxcx_dma_free(mlxcx_dma_buffer_t *);
1222 extern boolean_t mlxcx_dma_alloc(mlxcx_t *, mlxcx_dma_buffer_t *,
1223     ddi_dma_attr_t *, ddi_device_acc_attr_t *, boolean_t, size_t, boolean_t);
1224 extern boolean_t mlxcx_dma_init(mlxcx_t *, mlxcx_dma_buffer_t *,
1225     ddi_dma_attr_t *, boolean_t);
1226 extern boolean_t mlxcx_dma_bind_mblk(mlxcx_t *, mlxcx_dma_buffer_t *,
1227     const mblk_t *, size_t, boolean_t);
1228 extern boolean_t mlxcx_dma_alloc_offset(mlxcx_t *, mlxcx_dma_buffer_t *,
1229     ddi_dma_attr_t *, ddi_device_acc_attr_t *, boolean_t,
1230     size_t, size_t, boolean_t);
1231 extern void mlxcx_dma_unbind(mlxcx_t *, mlxcx_dma_buffer_t *);
1232 extern void mlxcx_dma_acc_attr(mlxcx_t *, ddi_device_acc_attr_t *);
1233 extern void mlxcx_dma_page_attr(mlxcx_t *, ddi_dma_attr_t *);
1234 extern void mlxcx_dma_queue_attr(mlxcx_t *, ddi_dma_attr_t *);
1235 extern void mlxcx_dma_qdbell_attr(mlxcx_t *, ddi_dma_attr_t *);
1236 extern void mlxcx_dma_buf_attr(mlxcx_t *, ddi_dma_attr_t *);
1237 
1238 extern boolean_t mlxcx_give_pages(mlxcx_t *, int32_t, int32_t *);
1239 
1240 static inline const ddi_dma_cookie_t *
1241 mlxcx_dma_cookie_iter(const mlxcx_dma_buffer_t *db,
1242     const ddi_dma_cookie_t *prev)
1243 {
1244 	ASSERT(db->mxdb_flags & MLXCX_DMABUF_BOUND);
1245 	return (ddi_dma_cookie_iter(db->mxdb_dma_handle, prev));
1246 }
1247 
1248 static inline const ddi_dma_cookie_t *
1249 mlxcx_dma_cookie_one(const mlxcx_dma_buffer_t *db)
1250 {
1251 	ASSERT(db->mxdb_flags & MLXCX_DMABUF_BOUND);
1252 	return (ddi_dma_cookie_one(db->mxdb_dma_handle));
1253 }
1254 
1255 /*
1256  * From mlxcx_intr.c
1257  */
1258 extern boolean_t mlxcx_intr_setup(mlxcx_t *);
1259 extern void mlxcx_intr_disable(mlxcx_t *);
1260 extern void mlxcx_intr_teardown(mlxcx_t *);
1261 extern void mlxcx_arm_eq(mlxcx_t *, mlxcx_event_queue_t *);
1262 extern void mlxcx_arm_cq(mlxcx_t *, mlxcx_completion_queue_t *);
1263 extern void mlxcx_update_cqci(mlxcx_t *, mlxcx_completion_queue_t *);
1264 
1265 extern mblk_t *mlxcx_rx_poll(mlxcx_t *, mlxcx_completion_queue_t *, size_t);
1266 
1267 /*
1268  * From mlxcx_gld.c
1269  */
1270 extern boolean_t mlxcx_register_mac(mlxcx_t *);
1271 
1272 /*
1273  * From mlxcx_ring.c
1274  */
1275 extern boolean_t mlxcx_wq_alloc_dma(mlxcx_t *, mlxcx_work_queue_t *);
1276 extern void mlxcx_wq_rele_dma(mlxcx_t *, mlxcx_work_queue_t *);
1277 
1278 extern boolean_t mlxcx_buf_create(mlxcx_t *, mlxcx_buf_shard_t *,
1279     mlxcx_buffer_t **);
1280 extern boolean_t mlxcx_buf_create_foreign(mlxcx_t *, mlxcx_buf_shard_t *,
1281     mlxcx_buffer_t **);
1282 extern mlxcx_buffer_t *mlxcx_buf_take(mlxcx_t *, mlxcx_work_queue_t *);
1283 extern size_t mlxcx_buf_take_n(mlxcx_t *, mlxcx_work_queue_t *,
1284     mlxcx_buffer_t **, size_t);
1285 extern boolean_t mlxcx_buf_loan(mlxcx_t *, mlxcx_buffer_t *);
1286 extern void mlxcx_buf_return(mlxcx_t *, mlxcx_buffer_t *);
1287 extern void mlxcx_buf_return_chain(mlxcx_t *, mlxcx_buffer_t *, boolean_t);
1288 extern void mlxcx_buf_destroy(mlxcx_t *, mlxcx_buffer_t *);
1289 extern void mlxcx_shard_ready(mlxcx_buf_shard_t *);
1290 extern void mlxcx_shard_draining(mlxcx_buf_shard_t *);
1291 
1292 extern uint_t mlxcx_buf_bind_or_copy(mlxcx_t *, mlxcx_work_queue_t *,
1293     mblk_t *, size_t, mlxcx_buffer_t **);
1294 
1295 extern boolean_t mlxcx_rx_group_setup(mlxcx_t *, mlxcx_ring_group_t *);
1296 extern boolean_t mlxcx_tx_group_setup(mlxcx_t *, mlxcx_ring_group_t *);
1297 
1298 extern boolean_t mlxcx_rx_group_start(mlxcx_t *, mlxcx_ring_group_t *);
1299 extern boolean_t mlxcx_tx_ring_start(mlxcx_t *, mlxcx_ring_group_t *,
1300     mlxcx_work_queue_t *);
1301 extern boolean_t mlxcx_rx_ring_start(mlxcx_t *, mlxcx_ring_group_t *,
1302     mlxcx_work_queue_t *);
1303 
1304 extern boolean_t mlxcx_rq_add_buffer(mlxcx_t *, mlxcx_work_queue_t *,
1305     mlxcx_buffer_t *);
1306 extern boolean_t mlxcx_rq_add_buffers(mlxcx_t *, mlxcx_work_queue_t *,
1307     mlxcx_buffer_t **, size_t);
1308 extern boolean_t mlxcx_sq_add_buffer(mlxcx_t *, mlxcx_work_queue_t *,
1309     uint8_t *, size_t, uint32_t, mlxcx_buffer_t *);
1310 extern boolean_t mlxcx_sq_add_nop(mlxcx_t *, mlxcx_work_queue_t *);
1311 extern void mlxcx_rq_refill(mlxcx_t *, mlxcx_work_queue_t *);
1312 
1313 extern void mlxcx_teardown_groups(mlxcx_t *);
1314 extern void mlxcx_wq_teardown(mlxcx_t *, mlxcx_work_queue_t *);
1315 extern void mlxcx_cq_teardown(mlxcx_t *, mlxcx_completion_queue_t *);
1316 extern void mlxcx_teardown_rx_group(mlxcx_t *, mlxcx_ring_group_t *);
1317 extern void mlxcx_teardown_tx_group(mlxcx_t *, mlxcx_ring_group_t *);
1318 
1319 extern void mlxcx_tx_completion(mlxcx_t *, mlxcx_completion_queue_t *,
1320     mlxcx_completionq_ent_t *, mlxcx_buffer_t *);
1321 extern mblk_t *mlxcx_rx_completion(mlxcx_t *, mlxcx_completion_queue_t *,
1322     mlxcx_completionq_ent_t *, mlxcx_buffer_t *);
1323 
1324 extern mlxcx_buf_shard_t *mlxcx_mlbs_create(mlxcx_t *);
1325 
1326 /*
1327  * Flow mgmt
1328  */
1329 extern boolean_t mlxcx_add_umcast_entry(mlxcx_t *, mlxcx_port_t *,
1330     mlxcx_ring_group_t *, const uint8_t *);
1331 extern boolean_t mlxcx_remove_umcast_entry(mlxcx_t *, mlxcx_port_t *,
1332     mlxcx_ring_group_t *, const uint8_t *);
1333 extern void mlxcx_remove_all_umcast_entries(mlxcx_t *, mlxcx_port_t *,
1334     mlxcx_ring_group_t *);
1335 extern boolean_t mlxcx_setup_flow_group(mlxcx_t *, mlxcx_flow_table_t *,
1336     mlxcx_flow_group_t *);
1337 extern void mlxcx_teardown_flow_table(mlxcx_t *, mlxcx_flow_table_t *);
1338 
1339 extern void mlxcx_remove_all_vlan_entries(mlxcx_t *, mlxcx_ring_group_t *);
1340 extern boolean_t mlxcx_remove_vlan_entry(mlxcx_t *, mlxcx_ring_group_t *,
1341     boolean_t, uint16_t);
1342 extern boolean_t mlxcx_add_vlan_entry(mlxcx_t *, mlxcx_ring_group_t *,
1343     boolean_t, uint16_t);
1344 
1345 /*
1346  * Command functions
1347  */
1348 extern boolean_t mlxcx_cmd_queue_init(mlxcx_t *);
1349 extern void mlxcx_cmd_queue_fini(mlxcx_t *);
1350 
1351 extern void mlxcx_cmd_completion(mlxcx_t *, mlxcx_eventq_ent_t *);
1352 extern void mlxcx_cmd_eq_enable(mlxcx_t *);
1353 extern void mlxcx_cmd_eq_disable(mlxcx_t *);
1354 
1355 extern boolean_t mlxcx_cmd_enable_hca(mlxcx_t *);
1356 extern boolean_t mlxcx_cmd_disable_hca(mlxcx_t *);
1357 
1358 extern boolean_t mlxcx_cmd_query_issi(mlxcx_t *, uint_t *);
1359 extern boolean_t mlxcx_cmd_set_issi(mlxcx_t *, uint16_t);
1360 
1361 extern boolean_t mlxcx_cmd_query_pages(mlxcx_t *, uint_t, int32_t *);
1362 extern boolean_t mlxcx_cmd_give_pages(mlxcx_t *, uint_t, int32_t,
1363     mlxcx_dev_page_t **);
1364 extern boolean_t mlxcx_cmd_return_pages(mlxcx_t *, int32_t, uint64_t *,
1365     int32_t *);
1366 
1367 extern boolean_t mlxcx_cmd_query_hca_cap(mlxcx_t *, mlxcx_hca_cap_type_t,
1368     mlxcx_hca_cap_mode_t, mlxcx_hca_cap_t *);
1369 
1370 extern boolean_t mlxcx_cmd_set_driver_version(mlxcx_t *, const char *);
1371 
1372 extern boolean_t mlxcx_cmd_init_hca(mlxcx_t *);
1373 extern boolean_t mlxcx_cmd_teardown_hca(mlxcx_t *);
1374 
1375 extern boolean_t mlxcx_cmd_alloc_uar(mlxcx_t *, mlxcx_uar_t *);
1376 extern boolean_t mlxcx_cmd_dealloc_uar(mlxcx_t *, mlxcx_uar_t *);
1377 
1378 extern boolean_t mlxcx_cmd_alloc_pd(mlxcx_t *, mlxcx_pd_t *);
1379 extern boolean_t mlxcx_cmd_dealloc_pd(mlxcx_t *, mlxcx_pd_t *);
1380 
1381 extern boolean_t mlxcx_cmd_alloc_tdom(mlxcx_t *, mlxcx_tdom_t *);
1382 extern boolean_t mlxcx_cmd_dealloc_tdom(mlxcx_t *, mlxcx_tdom_t *);
1383 
1384 extern boolean_t mlxcx_cmd_create_eq(mlxcx_t *, mlxcx_event_queue_t *);
1385 extern boolean_t mlxcx_cmd_destroy_eq(mlxcx_t *, mlxcx_event_queue_t *);
1386 extern boolean_t mlxcx_cmd_query_eq(mlxcx_t *, mlxcx_event_queue_t *,
1387     mlxcx_eventq_ctx_t *);
1388 
1389 extern boolean_t mlxcx_cmd_create_cq(mlxcx_t *, mlxcx_completion_queue_t *);
1390 extern boolean_t mlxcx_cmd_destroy_cq(mlxcx_t *, mlxcx_completion_queue_t *);
1391 extern boolean_t mlxcx_cmd_query_cq(mlxcx_t *, mlxcx_completion_queue_t *,
1392     mlxcx_completionq_ctx_t *);
1393 
1394 extern boolean_t mlxcx_cmd_create_rq(mlxcx_t *, mlxcx_work_queue_t *);
1395 extern boolean_t mlxcx_cmd_start_rq(mlxcx_t *, mlxcx_work_queue_t *);
1396 extern boolean_t mlxcx_cmd_stop_rq(mlxcx_t *, mlxcx_work_queue_t *);
1397 extern boolean_t mlxcx_cmd_destroy_rq(mlxcx_t *, mlxcx_work_queue_t *);
1398 extern boolean_t mlxcx_cmd_query_rq(mlxcx_t *, mlxcx_work_queue_t *,
1399     mlxcx_rq_ctx_t *);
1400 
1401 extern boolean_t mlxcx_cmd_create_tir(mlxcx_t *, mlxcx_tir_t *);
1402 extern boolean_t mlxcx_cmd_destroy_tir(mlxcx_t *, mlxcx_tir_t *);
1403 
1404 extern boolean_t mlxcx_cmd_create_sq(mlxcx_t *, mlxcx_work_queue_t *);
1405 extern boolean_t mlxcx_cmd_start_sq(mlxcx_t *, mlxcx_work_queue_t *);
1406 extern boolean_t mlxcx_cmd_stop_sq(mlxcx_t *, mlxcx_work_queue_t *);
1407 extern boolean_t mlxcx_cmd_destroy_sq(mlxcx_t *, mlxcx_work_queue_t *);
1408 extern boolean_t mlxcx_cmd_query_sq(mlxcx_t *, mlxcx_work_queue_t *,
1409     mlxcx_sq_ctx_t *);
1410 
1411 extern boolean_t mlxcx_cmd_create_tis(mlxcx_t *, mlxcx_tis_t *);
1412 extern boolean_t mlxcx_cmd_destroy_tis(mlxcx_t *, mlxcx_tis_t *);
1413 
1414 extern boolean_t mlxcx_cmd_query_nic_vport_ctx(mlxcx_t *, mlxcx_port_t *);
1415 extern boolean_t mlxcx_cmd_query_special_ctxs(mlxcx_t *);
1416 
1417 extern boolean_t mlxcx_cmd_modify_nic_vport_ctx(mlxcx_t *, mlxcx_port_t *,
1418     mlxcx_modify_nic_vport_ctx_fields_t);
1419 
1420 extern boolean_t mlxcx_cmd_create_flow_table(mlxcx_t *, mlxcx_flow_table_t *);
1421 extern boolean_t mlxcx_cmd_destroy_flow_table(mlxcx_t *, mlxcx_flow_table_t *);
1422 extern boolean_t mlxcx_cmd_set_flow_table_root(mlxcx_t *, mlxcx_flow_table_t *);
1423 
1424 extern boolean_t mlxcx_cmd_create_flow_group(mlxcx_t *, mlxcx_flow_group_t *);
1425 extern boolean_t mlxcx_cmd_set_flow_table_entry(mlxcx_t *,
1426     mlxcx_flow_entry_t *);
1427 extern boolean_t mlxcx_cmd_delete_flow_table_entry(mlxcx_t *,
1428     mlxcx_flow_entry_t *);
1429 extern boolean_t mlxcx_cmd_destroy_flow_group(mlxcx_t *, mlxcx_flow_group_t *);
1430 
1431 extern boolean_t mlxcx_cmd_access_register(mlxcx_t *, mlxcx_cmd_reg_opmod_t,
1432     mlxcx_register_id_t, mlxcx_register_data_t *);
1433 extern boolean_t mlxcx_cmd_query_port_mtu(mlxcx_t *, mlxcx_port_t *);
1434 extern boolean_t mlxcx_cmd_query_port_status(mlxcx_t *, mlxcx_port_t *);
1435 extern boolean_t mlxcx_cmd_modify_port_status(mlxcx_t *, mlxcx_port_t *,
1436     mlxcx_port_status_t);
1437 extern boolean_t mlxcx_cmd_query_port_speed(mlxcx_t *, mlxcx_port_t *);
1438 extern boolean_t mlxcx_cmd_query_port_fec(mlxcx_t *, mlxcx_port_t *);
1439 extern boolean_t mlxcx_cmd_modify_port_fec(mlxcx_t *, mlxcx_port_t *,
1440     mlxcx_pplm_fec_caps_t);
1441 
1442 extern boolean_t mlxcx_cmd_set_port_mtu(mlxcx_t *, mlxcx_port_t *);
1443 
1444 extern boolean_t mlxcx_cmd_create_rqt(mlxcx_t *, mlxcx_rqtable_t *);
1445 extern boolean_t mlxcx_cmd_destroy_rqt(mlxcx_t *, mlxcx_rqtable_t *);
1446 
1447 extern boolean_t mlxcx_cmd_set_int_mod(mlxcx_t *, uint_t, uint_t);
1448 
1449 extern boolean_t mlxcx_cmd_query_module_status(mlxcx_t *, uint_t,
1450     mlxcx_module_status_t *, mlxcx_module_error_type_t *);
1451 extern boolean_t mlxcx_cmd_set_port_led(mlxcx_t *, mlxcx_port_t *, uint16_t);
1452 
1453 /* Comparator for avl_ts */
1454 extern int mlxcx_cq_compare(const void *, const void *);
1455 extern int mlxcx_dmac_fe_compare(const void *, const void *);
1456 extern int mlxcx_grmac_compare(const void *, const void *);
1457 extern int mlxcx_page_compare(const void *, const void *);
1458 
1459 extern void mlxcx_update_link_state(mlxcx_t *, mlxcx_port_t *);
1460 
1461 extern void mlxcx_eth_proto_to_string(mlxcx_eth_proto_t, char *, size_t);
1462 extern const char *mlxcx_port_status_string(mlxcx_port_status_t);
1463 
1464 extern const char *mlxcx_event_name(mlxcx_event_t);
1465 
1466 /*
1467  * Sensor Functions
1468  */
1469 extern boolean_t mlxcx_setup_sensors(mlxcx_t *);
1470 extern void mlxcx_teardown_sensors(mlxcx_t *);
1471 
1472 #ifdef __cplusplus
1473 }
1474 #endif
1475 
1476 #endif /* _MLXCX_H */
1477