xref: /netbsd-src/sys/dev/pci/if_mcx.c (revision c42dbd0ed2e61fe6eda8590caa852ccf34719964)
1 /*	$NetBSD: if_mcx.c,v 1.27 2024/04/11 10:42:42 andvar Exp $ */
2 /*	$OpenBSD: if_mcx.c,v 1.101 2021/06/02 19:16:11 patrick Exp $ */
3 
4 /*
5  * Copyright (c) 2017 David Gwynne <dlg@openbsd.org>
6  * Copyright (c) 2019 Jonathan Matthew <jmatthew@openbsd.org>
7  *
8  * Permission to use, copy, modify, and distribute this software for any
9  * purpose with or without fee is hereby granted, provided that the above
10  * copyright notice and this permission notice appear in all copies.
11  *
12  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19  */
20 
21 #ifdef _KERNEL_OPT
22 #include "opt_net_mpsafe.h"
23 #endif
24 
25 #include <sys/cdefs.h>
26 __KERNEL_RCSID(0, "$NetBSD: if_mcx.c,v 1.27 2024/04/11 10:42:42 andvar Exp $");
27 
28 #include <sys/param.h>
29 #include <sys/systm.h>
30 #include <sys/sockio.h>
31 #include <sys/mbuf.h>
32 #include <sys/kernel.h>
33 #include <sys/socket.h>
34 #include <sys/device.h>
35 #include <sys/pool.h>
36 #include <sys/queue.h>
37 #include <sys/callout.h>
38 #include <sys/workqueue.h>
39 #include <sys/atomic.h>
40 #include <sys/timetc.h>
41 #include <sys/kmem.h>
42 #include <sys/bus.h>
43 #include <sys/interrupt.h>
44 #include <sys/pcq.h>
45 #include <sys/cpu.h>
46 #include <sys/bitops.h>
47 
48 #include <machine/intr.h>
49 
50 #include <net/if.h>
51 #include <net/if_dl.h>
52 #include <net/if_ether.h>
53 #include <net/if_media.h>
54 #include <net/if_vlanvar.h>
55 #include <net/toeplitz.h>
56 
57 #include <net/bpf.h>
58 
59 #include <netinet/in.h>
60 
61 #include <dev/pci/pcireg.h>
62 #include <dev/pci/pcivar.h>
63 #include <dev/pci/pcidevs.h>
64 
65 /* TODO: Port kstat key/value stuff to evcnt/sysmon */
66 #define	NKSTAT		0
67 
68 /* XXX This driver is not yet MP-safe; don't claim to be! */
69 /* #ifdef NET_MPSAFE */
70 /* #define	MCX_MPSAFE	1 */
71 /* #define	CALLOUT_FLAGS	CALLOUT_MPSAFE */
72 /* #else */
73 #define	CALLOUT_FLAGS	0
74 /* #endif */
75 
76 #define	MCX_TXQ_NUM		2048
77 
78 #define BUS_DMASYNC_PRERW	(BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE)
79 #define BUS_DMASYNC_POSTRW	(BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE)
80 
81 #define MCX_HCA_BAR	PCI_MAPREG_START /* BAR 0 */
82 
83 #define MCX_FW_VER			0x0000
84 #define  MCX_FW_VER_MAJOR(_v)			((_v) & 0xffff)
85 #define  MCX_FW_VER_MINOR(_v)			((_v) >> 16)
86 #define MCX_CMDIF_FW_SUBVER		0x0004
87 #define  MCX_FW_VER_SUBMINOR(_v)		((_v) & 0xffff)
88 #define  MCX_CMDIF(_v)				((_v) >> 16)
89 
90 #define MCX_ISSI			1 /* as per the PRM */
91 #define MCX_CMD_IF_SUPPORTED		5
92 
93 #define MCX_HARDMTU			9500
94 
95 #define MCX_PAGE_SHIFT			12
96 #define MCX_PAGE_SIZE			(1 << MCX_PAGE_SHIFT)
97 
98 /* queue sizes */
99 #define MCX_LOG_EQ_SIZE			7
100 #define MCX_LOG_CQ_SIZE			12
101 #define MCX_LOG_RQ_SIZE			10
102 #define MCX_LOG_SQ_SIZE			11
103 
104 #define MCX_MAX_QUEUES			16
105 
106 /* completion event moderation - about 10khz, or 90% of the cq */
107 #define MCX_CQ_MOD_PERIOD		50
108 #define MCX_CQ_MOD_COUNTER		\
109 	(((1 << (MCX_LOG_CQ_SIZE - 1)) * 9) / 10)
110 
111 #define MCX_LOG_SQ_ENTRY_SIZE		6
112 #define MCX_SQ_ENTRY_MAX_SLOTS		4
113 #define MCX_SQ_SEGS_PER_SLOT		\
114 	(sizeof(struct mcx_sq_entry) / sizeof(struct mcx_sq_entry_seg))
115 #define MCX_SQ_MAX_SEGMENTS		\
116 	1 + ((MCX_SQ_ENTRY_MAX_SLOTS-1) * MCX_SQ_SEGS_PER_SLOT)
117 
118 #define MCX_LOG_FLOW_TABLE_SIZE		5
119 #define MCX_NUM_STATIC_FLOWS		4 /* promisc, allmulti, ucast, bcast */
120 #define MCX_NUM_MCAST_FLOWS 		\
121 	((1 << MCX_LOG_FLOW_TABLE_SIZE) - MCX_NUM_STATIC_FLOWS)
122 
123 #define MCX_SQ_INLINE_SIZE		18
124 CTASSERT(ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN == MCX_SQ_INLINE_SIZE);
125 
126 /* doorbell offsets */
127 #define MCX_DOORBELL_AREA_SIZE		MCX_PAGE_SIZE
128 
129 #define MCX_CQ_DOORBELL_BASE		0
130 #define MCX_CQ_DOORBELL_STRIDE		64
131 
132 #define MCX_WQ_DOORBELL_BASE		MCX_PAGE_SIZE/2
133 #define MCX_WQ_DOORBELL_STRIDE		64
134 /* make sure the doorbells fit */
135 CTASSERT(MCX_MAX_QUEUES * MCX_CQ_DOORBELL_STRIDE < MCX_WQ_DOORBELL_BASE);
136 CTASSERT(MCX_MAX_QUEUES * MCX_WQ_DOORBELL_STRIDE <
137     MCX_DOORBELL_AREA_SIZE - MCX_WQ_DOORBELL_BASE);
138 
139 #define MCX_WQ_DOORBELL_MASK		0xffff
140 
141 /* uar registers */
142 #define MCX_UAR_CQ_DOORBELL		0x20
143 #define MCX_UAR_EQ_DOORBELL_ARM		0x40
144 #define MCX_UAR_EQ_DOORBELL		0x48
145 #define MCX_UAR_BF			0x800
146 
147 #define MCX_CMDQ_ADDR_HI		0x0010
148 #define MCX_CMDQ_ADDR_LO		0x0014
149 #define MCX_CMDQ_ADDR_NMASK		0xfff
150 #define MCX_CMDQ_LOG_SIZE(_v)		((_v) >> 4 & 0xf)
151 #define MCX_CMDQ_LOG_STRIDE(_v)		((_v) >> 0 & 0xf)
152 #define MCX_CMDQ_INTERFACE_MASK		(0x3 << 8)
153 #define MCX_CMDQ_INTERFACE_FULL_DRIVER	(0x0 << 8)
154 #define MCX_CMDQ_INTERFACE_DISABLED	(0x1 << 8)
155 
156 #define MCX_CMDQ_DOORBELL		0x0018
157 
158 #define MCX_STATE			0x01fc
159 #define MCX_STATE_MASK				(1U << 31)
160 #define MCX_STATE_INITIALIZING			(1 << 31)
161 #define MCX_STATE_READY				(0 << 31)
162 #define MCX_STATE_INTERFACE_MASK		(0x3 << 24)
163 #define MCX_STATE_INTERFACE_FULL_DRIVER		(0x0 << 24)
164 #define MCX_STATE_INTERFACE_DISABLED		(0x1 << 24)
165 
166 #define MCX_INTERNAL_TIMER		0x1000
167 #define MCX_INTERNAL_TIMER_H		0x1000
168 #define MCX_INTERNAL_TIMER_L		0x1004
169 
170 #define MCX_CLEAR_INT			0x100c
171 
172 #define MCX_REG_OP_WRITE		0
173 #define MCX_REG_OP_READ			1
174 
175 #define MCX_REG_PMLP			0x5002
176 #define MCX_REG_PMTU			0x5003
177 #define MCX_REG_PTYS			0x5004
178 #define MCX_REG_PAOS			0x5006
179 #define MCX_REG_PFCC			0x5007
180 #define MCX_REG_PPCNT			0x5008
181 #define MCX_REG_MTCAP			0x9009 /* mgmt temp capabilities */
182 #define MCX_REG_MTMP			0x900a /* mgmt temp */
183 #define MCX_REG_MCIA			0x9014
184 #define MCX_REG_MCAM			0x907f
185 
186 #define MCX_ETHER_CAP_SGMII		0
187 #define MCX_ETHER_CAP_1000_KX		1
188 #define MCX_ETHER_CAP_10G_CX4		2
189 #define MCX_ETHER_CAP_10G_KX4		3
190 #define MCX_ETHER_CAP_10G_KR		4
191 #define MCX_ETHER_CAP_20G_KR2		5
192 #define MCX_ETHER_CAP_40G_CR4		6
193 #define MCX_ETHER_CAP_40G_KR4		7
194 #define MCX_ETHER_CAP_56G_R4		8
195 #define MCX_ETHER_CAP_10G_CR		12
196 #define MCX_ETHER_CAP_10G_SR		13
197 #define MCX_ETHER_CAP_10G_LR		14
198 #define MCX_ETHER_CAP_40G_SR4		15
199 #define MCX_ETHER_CAP_40G_LR4		16
200 #define MCX_ETHER_CAP_50G_SR2		18
201 #define MCX_ETHER_CAP_100G_CR4		20
202 #define MCX_ETHER_CAP_100G_SR4		21
203 #define MCX_ETHER_CAP_100G_KR4		22
204 #define MCX_ETHER_CAP_100G_LR4		23
205 #define MCX_ETHER_CAP_100_TX		24
206 #define MCX_ETHER_CAP_1000_T		25
207 #define MCX_ETHER_CAP_10G_T		26
208 #define MCX_ETHER_CAP_25G_CR		27
209 #define MCX_ETHER_CAP_25G_KR		28
210 #define MCX_ETHER_CAP_25G_SR		29
211 #define MCX_ETHER_CAP_50G_CR2		30
212 #define MCX_ETHER_CAP_50G_KR2		31
213 
214 #define MCX_MAX_CQE			32
215 
216 #define MCX_CMD_QUERY_HCA_CAP		0x100
217 #define MCX_CMD_QUERY_ADAPTER		0x101
218 #define MCX_CMD_INIT_HCA		0x102
219 #define MCX_CMD_TEARDOWN_HCA		0x103
220 #define MCX_CMD_ENABLE_HCA		0x104
221 #define MCX_CMD_DISABLE_HCA		0x105
222 #define MCX_CMD_QUERY_PAGES		0x107
223 #define MCX_CMD_MANAGE_PAGES		0x108
224 #define MCX_CMD_SET_HCA_CAP		0x109
225 #define MCX_CMD_QUERY_ISSI		0x10a
226 #define MCX_CMD_SET_ISSI		0x10b
227 #define MCX_CMD_SET_DRIVER_VERSION	0x10d
228 #define MCX_CMD_QUERY_SPECIAL_CONTEXTS	0x203
229 #define MCX_CMD_CREATE_EQ		0x301
230 #define MCX_CMD_DESTROY_EQ		0x302
231 #define MCX_CMD_QUERY_EQ		0x303
232 #define MCX_CMD_CREATE_CQ		0x400
233 #define MCX_CMD_DESTROY_CQ		0x401
234 #define MCX_CMD_QUERY_CQ		0x402
235 #define MCX_CMD_QUERY_NIC_VPORT_CONTEXT 0x754
236 #define MCX_CMD_MODIFY_NIC_VPORT_CONTEXT \
237 					0x755
238 #define MCX_CMD_QUERY_VPORT_COUNTERS 	0x770
239 #define MCX_CMD_ALLOC_PD		0x800
240 #define MCX_CMD_ALLOC_UAR		0x802
241 #define MCX_CMD_ACCESS_REG		0x805
242 #define MCX_CMD_ALLOC_TRANSPORT_DOMAIN	0x816
243 #define MCX_CMD_CREATE_TIR		0x900
244 #define MCX_CMD_DESTROY_TIR		0x902
245 #define MCX_CMD_CREATE_SQ		0x904
246 #define MCX_CMD_MODIFY_SQ		0x905
247 #define MCX_CMD_DESTROY_SQ		0x906
248 #define MCX_CMD_QUERY_SQ		0x907
249 #define MCX_CMD_CREATE_RQ		0x908
250 #define MCX_CMD_MODIFY_RQ		0x909
251 #define MCX_CMD_DESTROY_RQ		0x90a
252 #define MCX_CMD_QUERY_RQ		0x90b
253 #define MCX_CMD_CREATE_TIS		0x912
254 #define MCX_CMD_DESTROY_TIS		0x914
255 #define MCX_CMD_CREATE_RQT		0x916
256 #define MCX_CMD_DESTROY_RQT		0x918
257 #define MCX_CMD_SET_FLOW_TABLE_ROOT	0x92f
258 #define MCX_CMD_CREATE_FLOW_TABLE	0x930
259 #define MCX_CMD_DESTROY_FLOW_TABLE	0x931
260 #define MCX_CMD_QUERY_FLOW_TABLE	0x932
261 #define MCX_CMD_CREATE_FLOW_GROUP	0x933
262 #define MCX_CMD_DESTROY_FLOW_GROUP	0x934
263 #define MCX_CMD_QUERY_FLOW_GROUP	0x935
264 #define MCX_CMD_SET_FLOW_TABLE_ENTRY	0x936
265 #define MCX_CMD_QUERY_FLOW_TABLE_ENTRY	0x937
266 #define MCX_CMD_DELETE_FLOW_TABLE_ENTRY	0x938
267 #define MCX_CMD_ALLOC_FLOW_COUNTER	0x939
268 #define MCX_CMD_QUERY_FLOW_COUNTER	0x93b
269 
270 #define MCX_QUEUE_STATE_RST		0
271 #define MCX_QUEUE_STATE_RDY		1
272 #define MCX_QUEUE_STATE_ERR		3
273 
274 #define MCX_FLOW_TABLE_TYPE_RX		0
275 #define MCX_FLOW_TABLE_TYPE_TX		1
276 
277 #define MCX_CMDQ_INLINE_DATASIZE	16
278 
279 struct mcx_cmdq_entry {
280 	uint8_t			cq_type;
281 #define MCX_CMDQ_TYPE_PCIE		0x7
282 	uint8_t			cq_reserved0[3];
283 
284 	uint32_t		cq_input_length;
285 	uint64_t		cq_input_ptr;
286 	uint8_t			cq_input_data[MCX_CMDQ_INLINE_DATASIZE];
287 
288 	uint8_t			cq_output_data[MCX_CMDQ_INLINE_DATASIZE];
289 	uint64_t		cq_output_ptr;
290 	uint32_t		cq_output_length;
291 
292 	uint8_t			cq_token;
293 	uint8_t			cq_signature;
294 	uint8_t			cq_reserved1[1];
295 	uint8_t			cq_status;
296 #define MCX_CQ_STATUS_SHIFT		1
297 #define MCX_CQ_STATUS_MASK		(0x7f << MCX_CQ_STATUS_SHIFT)
298 #define MCX_CQ_STATUS_OK		(0x00 << MCX_CQ_STATUS_SHIFT)
299 #define MCX_CQ_STATUS_INT_ERR		(0x01 << MCX_CQ_STATUS_SHIFT)
300 #define MCX_CQ_STATUS_BAD_OPCODE	(0x02 << MCX_CQ_STATUS_SHIFT)
301 #define MCX_CQ_STATUS_BAD_PARAM		(0x03 << MCX_CQ_STATUS_SHIFT)
302 #define MCX_CQ_STATUS_BAD_SYS_STATE	(0x04 << MCX_CQ_STATUS_SHIFT)
303 #define MCX_CQ_STATUS_BAD_RESOURCE	(0x05 << MCX_CQ_STATUS_SHIFT)
304 #define MCX_CQ_STATUS_RESOURCE_BUSY	(0x06 << MCX_CQ_STATUS_SHIFT)
305 #define MCX_CQ_STATUS_EXCEED_LIM	(0x08 << MCX_CQ_STATUS_SHIFT)
306 #define MCX_CQ_STATUS_BAD_RES_STATE	(0x09 << MCX_CQ_STATUS_SHIFT)
307 #define MCX_CQ_STATUS_BAD_INDEX		(0x0a << MCX_CQ_STATUS_SHIFT)
308 #define MCX_CQ_STATUS_NO_RESOURCES	(0x0f << MCX_CQ_STATUS_SHIFT)
309 #define MCX_CQ_STATUS_BAD_INPUT_LEN	(0x50 << MCX_CQ_STATUS_SHIFT)
310 #define MCX_CQ_STATUS_BAD_OUTPUT_LEN	(0x51 << MCX_CQ_STATUS_SHIFT)
311 #define MCX_CQ_STATUS_BAD_RESOURCE_STATE \
312 					(0x10 << MCX_CQ_STATUS_SHIFT)
313 #define MCX_CQ_STATUS_BAD_SIZE		(0x40 << MCX_CQ_STATUS_SHIFT)
314 #define MCX_CQ_STATUS_OWN_MASK		0x1
315 #define MCX_CQ_STATUS_OWN_SW		0x0
316 #define MCX_CQ_STATUS_OWN_HW		0x1
317 } __packed __aligned(8);
318 
319 #define MCX_CMDQ_MAILBOX_DATASIZE	512
320 
321 struct mcx_cmdq_mailbox {
322 	uint8_t			mb_data[MCX_CMDQ_MAILBOX_DATASIZE];
323 	uint8_t			mb_reserved0[48];
324 	uint64_t		mb_next_ptr;
325 	uint32_t		mb_block_number;
326 	uint8_t			mb_reserved1[1];
327 	uint8_t			mb_token;
328 	uint8_t			mb_ctrl_signature;
329 	uint8_t			mb_signature;
330 } __packed __aligned(8);
331 
332 #define MCX_CMDQ_MAILBOX_ALIGN	(1 << 10)
333 #define MCX_CMDQ_MAILBOX_SIZE	roundup(sizeof(struct mcx_cmdq_mailbox), \
334 				    MCX_CMDQ_MAILBOX_ALIGN)
335 /*
336  * command mailbox structures
337  */
338 
339 struct mcx_cmd_enable_hca_in {
340 	uint16_t		cmd_opcode;
341 	uint8_t			cmd_reserved0[4];
342 	uint16_t		cmd_op_mod;
343 	uint8_t			cmd_reserved1[2];
344 	uint16_t		cmd_function_id;
345 	uint8_t			cmd_reserved2[4];
346 } __packed __aligned(4);
347 
348 struct mcx_cmd_enable_hca_out {
349 	uint8_t			cmd_status;
350 	uint8_t			cmd_reserved0[3];
351 	uint32_t		cmd_syndrome;
352 	uint8_t			cmd_reserved1[4];
353 } __packed __aligned(4);
354 
355 struct mcx_cmd_init_hca_in {
356 	uint16_t		cmd_opcode;
357 	uint8_t			cmd_reserved0[4];
358 	uint16_t		cmd_op_mod;
359 	uint8_t			cmd_reserved1[8];
360 } __packed __aligned(4);
361 
362 struct mcx_cmd_init_hca_out {
363 	uint8_t			cmd_status;
364 	uint8_t			cmd_reserved0[3];
365 	uint32_t		cmd_syndrome;
366 	uint8_t			cmd_reserved1[8];
367 } __packed __aligned(4);
368 
369 struct mcx_cmd_teardown_hca_in {
370 	uint16_t		cmd_opcode;
371 	uint8_t			cmd_reserved0[4];
372 	uint16_t		cmd_op_mod;
373 	uint8_t			cmd_reserved1[2];
374 #define MCX_CMD_TEARDOWN_HCA_GRACEFUL	0x0
375 #define MCX_CMD_TEARDOWN_HCA_PANIC	0x1
376 	uint16_t		cmd_profile;
377 	uint8_t			cmd_reserved2[4];
378 } __packed __aligned(4);
379 
380 struct mcx_cmd_teardown_hca_out {
381 	uint8_t			cmd_status;
382 	uint8_t			cmd_reserved0[3];
383 	uint32_t		cmd_syndrome;
384 	uint8_t			cmd_reserved1[8];
385 } __packed __aligned(4);
386 
387 struct mcx_cmd_access_reg_in {
388 	uint16_t		cmd_opcode;
389 	uint8_t			cmd_reserved0[4];
390 	uint16_t		cmd_op_mod;
391 	uint8_t			cmd_reserved1[2];
392 	uint16_t		cmd_register_id;
393 	uint32_t		cmd_argument;
394 } __packed __aligned(4);
395 
396 struct mcx_cmd_access_reg_out {
397 	uint8_t			cmd_status;
398 	uint8_t			cmd_reserved0[3];
399 	uint32_t		cmd_syndrome;
400 	uint8_t			cmd_reserved1[8];
401 } __packed __aligned(4);
402 
403 struct mcx_reg_pmtu {
404 	uint8_t			rp_reserved1;
405 	uint8_t			rp_local_port;
406 	uint8_t			rp_reserved2[2];
407 	uint16_t		rp_max_mtu;
408 	uint8_t			rp_reserved3[2];
409 	uint16_t		rp_admin_mtu;
410 	uint8_t			rp_reserved4[2];
411 	uint16_t		rp_oper_mtu;
412 	uint8_t			rp_reserved5[2];
413 } __packed __aligned(4);
414 
415 struct mcx_reg_ptys {
416 	uint8_t			rp_reserved1;
417 	uint8_t			rp_local_port;
418 	uint8_t			rp_reserved2;
419 	uint8_t			rp_proto_mask;
420 #define MCX_REG_PTYS_PROTO_MASK_ETH		(1 << 2)
421 	uint8_t			rp_reserved3[8];
422 	uint32_t		rp_eth_proto_cap;
423 	uint8_t			rp_reserved4[8];
424 	uint32_t		rp_eth_proto_admin;
425 	uint8_t			rp_reserved5[8];
426 	uint32_t		rp_eth_proto_oper;
427 	uint8_t			rp_reserved6[24];
428 } __packed __aligned(4);
429 
430 struct mcx_reg_paos {
431 	uint8_t			rp_reserved1;
432 	uint8_t			rp_local_port;
433 	uint8_t			rp_admin_status;
434 #define MCX_REG_PAOS_ADMIN_STATUS_UP		1
435 #define MCX_REG_PAOS_ADMIN_STATUS_DOWN		2
436 #define MCX_REG_PAOS_ADMIN_STATUS_UP_ONCE	3
437 #define MCX_REG_PAOS_ADMIN_STATUS_DISABLED	4
438 	uint8_t			rp_oper_status;
439 #define MCX_REG_PAOS_OPER_STATUS_UP		1
440 #define MCX_REG_PAOS_OPER_STATUS_DOWN		2
441 #define MCX_REG_PAOS_OPER_STATUS_FAILED		4
442 	uint8_t			rp_admin_state_update;
443 #define MCX_REG_PAOS_ADMIN_STATE_UPDATE_EN	(1 << 7)
444 	uint8_t			rp_reserved2[11];
445 } __packed __aligned(4);
446 
447 struct mcx_reg_pfcc {
448 	uint8_t			rp_reserved1;
449 	uint8_t			rp_local_port;
450 	uint8_t			rp_reserved2[3];
451 	uint8_t			rp_prio_mask_tx;
452 	uint8_t			rp_reserved3;
453 	uint8_t			rp_prio_mask_rx;
454 	uint8_t			rp_pptx_aptx;
455 	uint8_t			rp_pfctx;
456 	uint8_t			rp_fctx_dis;
457 	uint8_t			rp_reserved4;
458 	uint8_t			rp_pprx_aprx;
459 	uint8_t			rp_pfcrx;
460 	uint8_t			rp_reserved5[2];
461 	uint16_t		rp_dev_stall_min;
462 	uint16_t		rp_dev_stall_crit;
463 	uint8_t			rp_reserved6[12];
464 } __packed __aligned(4);
465 
466 #define MCX_PMLP_MODULE_NUM_MASK	0xff
467 struct mcx_reg_pmlp {
468 	uint8_t			rp_rxtx;
469 	uint8_t			rp_local_port;
470 	uint8_t			rp_reserved0;
471 	uint8_t			rp_width;
472 	uint32_t		rp_lane0_mapping;
473 	uint32_t		rp_lane1_mapping;
474 	uint32_t		rp_lane2_mapping;
475 	uint32_t		rp_lane3_mapping;
476 	uint8_t			rp_reserved1[44];
477 } __packed __aligned(4);
478 
479 struct mcx_reg_ppcnt {
480 	uint8_t			ppcnt_swid;
481 	uint8_t			ppcnt_local_port;
482 	uint8_t			ppcnt_pnat;
483 	uint8_t			ppcnt_grp;
484 #define MCX_REG_PPCNT_GRP_IEEE8023		0x00
485 #define MCX_REG_PPCNT_GRP_RFC2863		0x01
486 #define MCX_REG_PPCNT_GRP_RFC2819		0x02
487 #define MCX_REG_PPCNT_GRP_RFC3635		0x03
488 #define MCX_REG_PPCNT_GRP_PER_PRIO		0x10
489 #define MCX_REG_PPCNT_GRP_PER_TC		0x11
490 #define MCX_REG_PPCNT_GRP_PER_RX_BUFFER		0x11
491 
492 	uint8_t			ppcnt_clr;
493 	uint8_t			ppcnt_reserved1[2];
494 	uint8_t			ppcnt_prio_tc;
495 #define MCX_REG_PPCNT_CLR			(1 << 7)
496 
497 	uint8_t			ppcnt_counter_set[248];
498 } __packed __aligned(8);
499 CTASSERT(sizeof(struct mcx_reg_ppcnt) == 256);
500 CTASSERT((offsetof(struct mcx_reg_ppcnt, ppcnt_counter_set) %
501     sizeof(uint64_t)) == 0);
502 
503 enum mcx_ppcnt_ieee8023 {
504 	frames_transmitted_ok,
505 	frames_received_ok,
506 	frame_check_sequence_errors,
507 	alignment_errors,
508 	octets_transmitted_ok,
509 	octets_received_ok,
510 	multicast_frames_xmitted_ok,
511 	broadcast_frames_xmitted_ok,
512 	multicast_frames_received_ok,
513 	broadcast_frames_received_ok,
514 	in_range_length_errors,
515 	out_of_range_length_field,
516 	frame_too_long_errors,
517 	symbol_error_during_carrier,
518 	mac_control_frames_transmitted,
519 	mac_control_frames_received,
520 	unsupported_opcodes_received,
521 	pause_mac_ctrl_frames_received,
522 	pause_mac_ctrl_frames_transmitted,
523 
524 	mcx_ppcnt_ieee8023_count
525 };
526 CTASSERT(mcx_ppcnt_ieee8023_count * sizeof(uint64_t) == 0x98);
527 
528 enum mcx_ppcnt_rfc2863 {
529 	in_octets,
530 	in_ucast_pkts,
531 	in_discards,
532 	in_errors,
533 	in_unknown_protos,
534 	out_octets,
535 	out_ucast_pkts,
536 	out_discards,
537 	out_errors,
538 	in_multicast_pkts,
539 	in_broadcast_pkts,
540 	out_multicast_pkts,
541 	out_broadcast_pkts,
542 
543 	mcx_ppcnt_rfc2863_count
544 };
545 CTASSERT(mcx_ppcnt_rfc2863_count * sizeof(uint64_t) == 0x68);
546 
547 enum mcx_ppcnt_rfc2819 {
548 	drop_events,
549 	octets,
550 	pkts,
551 	broadcast_pkts,
552 	multicast_pkts,
553 	crc_align_errors,
554 	undersize_pkts,
555 	oversize_pkts,
556 	fragments,
557 	jabbers,
558 	collisions,
559 	pkts64octets,
560 	pkts65to127octets,
561 	pkts128to255octets,
562 	pkts256to511octets,
563 	pkts512to1023octets,
564 	pkts1024to1518octets,
565 	pkts1519to2047octets,
566 	pkts2048to4095octets,
567 	pkts4096to8191octets,
568 	pkts8192to10239octets,
569 
570 	mcx_ppcnt_rfc2819_count
571 };
572 CTASSERT((mcx_ppcnt_rfc2819_count * sizeof(uint64_t)) == 0xa8);
573 
574 enum mcx_ppcnt_rfc3635 {
575 	dot3stats_alignment_errors,
576 	dot3stats_fcs_errors,
577 	dot3stats_single_collision_frames,
578 	dot3stats_multiple_collision_frames,
579 	dot3stats_sqe_test_errors,
580 	dot3stats_deferred_transmissions,
581 	dot3stats_late_collisions,
582 	dot3stats_excessive_collisions,
583 	dot3stats_internal_mac_transmit_errors,
584 	dot3stats_carrier_sense_errors,
585 	dot3stats_frame_too_longs,
586 	dot3stats_internal_mac_receive_errors,
587 	dot3stats_symbol_errors,
588 	dot3control_in_unknown_opcodes,
589 	dot3in_pause_frames,
590 	dot3out_pause_frames,
591 
592 	mcx_ppcnt_rfc3635_count
593 };
594 CTASSERT((mcx_ppcnt_rfc3635_count * sizeof(uint64_t)) == 0x80);
595 
596 struct mcx_reg_mcam {
597 	uint8_t			_reserved1[1];
598 	uint8_t			mcam_feature_group;
599 	uint8_t			_reserved2[1];
600 	uint8_t			mcam_access_reg_group;
601 	uint8_t			_reserved3[4];
602 	uint8_t			mcam_access_reg_cap_mask[16];
603 	uint8_t			_reserved4[16];
604 	uint8_t			mcam_feature_cap_mask[16];
605 	uint8_t			_reserved5[16];
606 } __packed __aligned(4);
607 
608 #define MCX_BITFIELD_BIT(bf, b)	(bf[(sizeof bf - 1) - (b / 8)] & (b % 8))
609 
610 #define MCX_MCAM_FEATURE_CAP_SENSOR_MAP	6
611 
612 struct mcx_reg_mtcap {
613 	uint8_t			_reserved1[3];
614 	uint8_t			mtcap_sensor_count;
615 	uint8_t			_reserved2[4];
616 
617 	uint64_t		mtcap_sensor_map;
618 };
619 
620 struct mcx_reg_mtmp {
621 	uint8_t			_reserved1[2];
622 	uint16_t		mtmp_sensor_index;
623 
624 	uint8_t			_reserved2[2];
625 	uint16_t		mtmp_temperature;
626 
627 	uint16_t		mtmp_mte_mtr;
628 #define MCX_REG_MTMP_MTE		(1 << 15)
629 #define MCX_REG_MTMP_MTR		(1 << 14)
630 	uint16_t		mtmp_max_temperature;
631 
632 	uint16_t		mtmp_tee;
633 #define MCX_REG_MTMP_TEE_NOPE		(0 << 14)
634 #define MCX_REG_MTMP_TEE_GENERATE	(1 << 14)
635 #define MCX_REG_MTMP_TEE_GENERATE_ONE	(2 << 14)
636 	uint16_t		mtmp_temperature_threshold_hi;
637 
638 	uint8_t			_reserved3[2];
639 	uint16_t		mtmp_temperature_threshold_lo;
640 
641 	uint8_t			_reserved4[4];
642 
643 	uint8_t			mtmp_sensor_name[8];
644 };
645 CTASSERT(sizeof(struct mcx_reg_mtmp) == 0x20);
646 CTASSERT(offsetof(struct mcx_reg_mtmp, mtmp_sensor_name) == 0x18);
647 
648 #define MCX_MCIA_EEPROM_BYTES	32
649 struct mcx_reg_mcia {
650 	uint8_t			rm_l;
651 	uint8_t			rm_module;
652 	uint8_t			rm_reserved0;
653 	uint8_t			rm_status;
654 	uint8_t			rm_i2c_addr;
655 	uint8_t			rm_page_num;
656 	uint16_t		rm_dev_addr;
657 	uint16_t		rm_reserved1;
658 	uint16_t		rm_size;
659 	uint32_t		rm_reserved2;
660 	uint8_t			rm_data[48];
661 } __packed __aligned(4);
662 
663 struct mcx_cmd_query_issi_in {
664 	uint16_t		cmd_opcode;
665 	uint8_t			cmd_reserved0[4];
666 	uint16_t		cmd_op_mod;
667 	uint8_t			cmd_reserved1[8];
668 } __packed __aligned(4);
669 
670 struct mcx_cmd_query_issi_il_out {
671 	uint8_t			cmd_status;
672 	uint8_t			cmd_reserved0[3];
673 	uint32_t		cmd_syndrome;
674 	uint8_t			cmd_reserved1[2];
675 	uint16_t		cmd_current_issi;
676 	uint8_t			cmd_reserved2[4];
677 } __packed __aligned(4);
678 
679 CTASSERT(sizeof(struct mcx_cmd_query_issi_il_out) == MCX_CMDQ_INLINE_DATASIZE);
680 
681 struct mcx_cmd_query_issi_mb_out {
682 	uint8_t			cmd_reserved2[16];
683 	uint8_t			cmd_supported_issi[80]; /* very big endian */
684 } __packed __aligned(4);
685 
686 CTASSERT(sizeof(struct mcx_cmd_query_issi_mb_out) <= MCX_CMDQ_MAILBOX_DATASIZE);
687 
688 struct mcx_cmd_set_issi_in {
689 	uint16_t		cmd_opcode;
690 	uint8_t			cmd_reserved0[4];
691 	uint16_t		cmd_op_mod;
692 	uint8_t			cmd_reserved1[2];
693 	uint16_t		cmd_current_issi;
694 	uint8_t			cmd_reserved2[4];
695 } __packed __aligned(4);
696 
697 CTASSERT(sizeof(struct mcx_cmd_set_issi_in) <= MCX_CMDQ_INLINE_DATASIZE);
698 
699 struct mcx_cmd_set_issi_out {
700 	uint8_t			cmd_status;
701 	uint8_t			cmd_reserved0[3];
702 	uint32_t		cmd_syndrome;
703 	uint8_t			cmd_reserved1[8];
704 } __packed __aligned(4);
705 
706 CTASSERT(sizeof(struct mcx_cmd_set_issi_out) <= MCX_CMDQ_INLINE_DATASIZE);
707 
708 struct mcx_cmd_query_pages_in {
709 	uint16_t		cmd_opcode;
710 	uint8_t			cmd_reserved0[4];
711 	uint16_t		cmd_op_mod;
712 #define MCX_CMD_QUERY_PAGES_BOOT	0x01
713 #define MCX_CMD_QUERY_PAGES_INIT	0x02
714 #define MCX_CMD_QUERY_PAGES_REGULAR	0x03
715 	uint8_t			cmd_reserved1[8];
716 } __packed __aligned(4);
717 
718 struct mcx_cmd_query_pages_out {
719 	uint8_t			cmd_status;
720 	uint8_t			cmd_reserved0[3];
721 	uint32_t		cmd_syndrome;
722 	uint8_t			cmd_reserved1[2];
723 	uint16_t		cmd_func_id;
724 	int32_t			cmd_num_pages;
725 } __packed __aligned(4);
726 
727 struct mcx_cmd_manage_pages_in {
728 	uint16_t		cmd_opcode;
729 	uint8_t			cmd_reserved0[4];
730 	uint16_t		cmd_op_mod;
731 #define MCX_CMD_MANAGE_PAGES_ALLOC_FAIL \
732 					0x00
733 #define MCX_CMD_MANAGE_PAGES_ALLOC_SUCCESS \
734 					0x01
735 #define MCX_CMD_MANAGE_PAGES_HCA_RETURN_PAGES \
736 					0x02
737 	uint8_t			cmd_reserved1[2];
738 	uint16_t		cmd_func_id;
739 	uint32_t		cmd_input_num_entries;
740 } __packed __aligned(4);
741 
742 CTASSERT(sizeof(struct mcx_cmd_manage_pages_in) == MCX_CMDQ_INLINE_DATASIZE);
743 
744 struct mcx_cmd_manage_pages_out {
745 	uint8_t			cmd_status;
746 	uint8_t			cmd_reserved0[3];
747 	uint32_t		cmd_syndrome;
748 	uint32_t		cmd_output_num_entries;
749 	uint8_t			cmd_reserved1[4];
750 } __packed __aligned(4);
751 
752 CTASSERT(sizeof(struct mcx_cmd_manage_pages_out) == MCX_CMDQ_INLINE_DATASIZE);
753 
754 struct mcx_cmd_query_hca_cap_in {
755 	uint16_t		cmd_opcode;
756 	uint8_t			cmd_reserved0[4];
757 	uint16_t		cmd_op_mod;
758 #define MCX_CMD_QUERY_HCA_CAP_MAX	(0x0 << 0)
759 #define MCX_CMD_QUERY_HCA_CAP_CURRENT	(0x1 << 0)
760 #define MCX_CMD_QUERY_HCA_CAP_DEVICE	(0x0 << 1)
761 #define MCX_CMD_QUERY_HCA_CAP_OFFLOAD	(0x1 << 1)
762 #define MCX_CMD_QUERY_HCA_CAP_FLOW	(0x7 << 1)
763 	uint8_t			cmd_reserved1[8];
764 } __packed __aligned(4);
765 
766 struct mcx_cmd_query_hca_cap_out {
767 	uint8_t			cmd_status;
768 	uint8_t			cmd_reserved0[3];
769 	uint32_t		cmd_syndrome;
770 	uint8_t			cmd_reserved1[8];
771 } __packed __aligned(4);
772 
773 #define MCX_HCA_CAP_LEN			0x1000
774 #define MCX_HCA_CAP_NMAILBOXES		\
775 	(MCX_HCA_CAP_LEN / MCX_CMDQ_MAILBOX_DATASIZE)
776 
777 #if __GNUC_PREREQ__(4, 3)
778 #define __counter__		__COUNTER__
779 #else
780 #define __counter__		__LINE__
781 #endif
782 
783 #define __token(_tok, _num)	_tok##_num
784 #define _token(_tok, _num)	__token(_tok, _num)
785 #define __reserved__		_token(__reserved, __counter__)
786 
787 struct mcx_cap_device {
788 	uint8_t			reserved0[16];
789 
790 	uint8_t			log_max_srq_sz;
791 	uint8_t			log_max_qp_sz;
792 	uint8_t			__reserved__[1];
793 	uint8_t			log_max_qp; /* 5 bits */
794 #define MCX_CAP_DEVICE_LOG_MAX_QP	0x1f
795 
796 	uint8_t			__reserved__[1];
797 	uint8_t			log_max_srq; /* 5 bits */
798 #define MCX_CAP_DEVICE_LOG_MAX_SRQ	0x1f
799 	uint8_t			__reserved__[2];
800 
801 	uint8_t			__reserved__[1];
802 	uint8_t			log_max_cq_sz;
803 	uint8_t			__reserved__[1];
804 	uint8_t			log_max_cq; /* 5 bits */
805 #define MCX_CAP_DEVICE_LOG_MAX_CQ	0x1f
806 
807 	uint8_t			log_max_eq_sz;
808 	uint8_t			log_max_mkey; /* 6 bits */
809 #define MCX_CAP_DEVICE_LOG_MAX_MKEY	0x3f
810 	uint8_t			__reserved__[1];
811 	uint8_t			log_max_eq; /* 4 bits */
812 #define MCX_CAP_DEVICE_LOG_MAX_EQ	0x0f
813 
814 	uint8_t			max_indirection;
815 	uint8_t			log_max_mrw_sz; /* 7 bits */
816 #define MCX_CAP_DEVICE_LOG_MAX_MRW_SZ	0x7f
817 	uint8_t			teardown_log_max_msf_list_size;
818 #define MCX_CAP_DEVICE_FORCE_TEARDOWN	0x80
819 #define MCX_CAP_DEVICE_LOG_MAX_MSF_LIST_SIZE \
820 					0x3f
821 	uint8_t			log_max_klm_list_size; /* 6 bits */
822 #define MCX_CAP_DEVICE_LOG_MAX_KLM_LIST_SIZE \
823 					0x3f
824 
825 	uint8_t			__reserved__[1];
826 	uint8_t			log_max_ra_req_dc; /* 6 bits */
827 #define MCX_CAP_DEVICE_LOG_MAX_REQ_DC	0x3f
828 	uint8_t			__reserved__[1];
829 	uint8_t			log_max_ra_res_dc; /* 6 bits */
830 #define MCX_CAP_DEVICE_LOG_MAX_RA_RES_DC \
831 					0x3f
832 
833 	uint8_t			__reserved__[1];
834 	uint8_t			log_max_ra_req_qp; /* 6 bits */
835 #define MCX_CAP_DEVICE_LOG_MAX_RA_REQ_QP \
836 					0x3f
837 	uint8_t			__reserved__[1];
838 	uint8_t			log_max_ra_res_qp; /* 6 bits */
839 #define MCX_CAP_DEVICE_LOG_MAX_RA_RES_QP \
840 					0x3f
841 
842 	uint8_t			flags1;
843 #define MCX_CAP_DEVICE_END_PAD		0x80
844 #define MCX_CAP_DEVICE_CC_QUERY_ALLOWED	0x40
845 #define MCX_CAP_DEVICE_CC_MODIFY_ALLOWED \
846 					0x20
847 #define MCX_CAP_DEVICE_START_PAD	0x10
848 #define MCX_CAP_DEVICE_128BYTE_CACHELINE \
849 					0x08
850 	uint8_t			__reserved__[1];
851 	uint16_t		gid_table_size;
852 
853 	uint16_t		flags2;
854 #define MCX_CAP_DEVICE_OUT_OF_SEQ_CNT	0x8000
855 #define MCX_CAP_DEVICE_VPORT_COUNTERS	0x4000
856 #define MCX_CAP_DEVICE_RETRANSMISSION_Q_COUNTERS \
857 					0x2000
858 #define MCX_CAP_DEVICE_DEBUG		0x1000
859 #define MCX_CAP_DEVICE_MODIFY_RQ_COUNTERS_SET_ID \
860 					0x8000
861 #define MCX_CAP_DEVICE_RQ_DELAY_DROP	0x4000
862 #define MCX_CAP_DEVICe_MAX_QP_CNT_MASK	0x03ff
863 	uint16_t		pkey_table_size;
864 
865 	uint8_t			flags3;
866 #define MCX_CAP_DEVICE_VPORT_GROUP_MANAGER \
867 					0x80
868 #define MCX_CAP_DEVICE_VHCA_GROUP_MANAGER \
869 					0x40
870 #define MCX_CAP_DEVICE_IB_VIRTUAL	0x20
871 #define MCX_CAP_DEVICE_ETH_VIRTUAL	0x10
872 #define MCX_CAP_DEVICE_ETS		0x04
873 #define MCX_CAP_DEVICE_NIC_FLOW_TABLE	0x02
874 #define MCX_CAP_DEVICE_ESWITCH_FLOW_TABLE \
875 					0x01
876 	uint8_t			local_ca_ack_delay; /* 5 bits */
877 #define MCX_CAP_DEVICE_LOCAL_CA_ACK_DELAY \
878 					0x1f
879 #define MCX_CAP_DEVICE_MCAM_REG		0x40
880 	uint8_t			port_type;
881 #define MCX_CAP_DEVICE_PORT_MODULE_EVENT \
882 					0x80
883 #define MCX_CAP_DEVICE_PORT_TYPE	0x03
884 #define MCX_CAP_DEVICE_PORT_TYPE_ETH	0x01
885 	uint8_t			num_ports;
886 
887 	uint8_t			snapshot_log_max_msg;
888 #define MCX_CAP_DEVICE_SNAPSHOT		0x80
889 #define MCX_CAP_DEVICE_LOG_MAX_MSG	0x1f
890 	uint8_t			max_tc; /* 4 bits */
891 #define MCX_CAP_DEVICE_MAX_TC		0x0f
892 	uint8_t			flags4;
893 #define MCX_CAP_DEVICE_TEMP_WARN_EVENT	0x80
894 #define MCX_CAP_DEVICE_DCBX		0x40
895 #define MCX_CAP_DEVICE_ROL_S		0x02
896 #define MCX_CAP_DEVICE_ROL_G		0x01
897 	uint8_t			wol;
898 #define MCX_CAP_DEVICE_WOL_S		0x40
899 #define MCX_CAP_DEVICE_WOL_G		0x20
900 #define MCX_CAP_DEVICE_WOL_A		0x10
901 #define MCX_CAP_DEVICE_WOL_B		0x08
902 #define MCX_CAP_DEVICE_WOL_M		0x04
903 #define MCX_CAP_DEVICE_WOL_U		0x02
904 #define MCX_CAP_DEVICE_WOL_P		0x01
905 
906 	uint16_t		stat_rate_support;
907 	uint8_t			__reserved__[1];
908 	uint8_t			cqe_version; /* 4 bits */
909 #define MCX_CAP_DEVICE_CQE_VERSION	0x0f
910 
911 	uint32_t		flags5;
912 #define MCX_CAP_DEVICE_COMPACT_ADDRESS_VECTOR \
913 					0x80000000
914 #define MCX_CAP_DEVICE_STRIDING_RQ	0x40000000
915 #define MCX_CAP_DEVICE_IPOIP_ENHANCED_OFFLOADS \
916 					0x10000000
917 #define MCX_CAP_DEVICE_IPOIP_IPOIP_OFFLOADS \
918 					0x08000000
919 #define MCX_CAP_DEVICE_DC_CONNECT_CP	0x00040000
920 #define MCX_CAP_DEVICE_DC_CNAK_DRACE	0x00020000
921 #define MCX_CAP_DEVICE_DRAIN_SIGERR	0x00010000
922 #define MCX_CAP_DEVICE_DRAIN_SIGERR	0x00010000
923 #define MCX_CAP_DEVICE_CMDIF_CHECKSUM	0x0000c000
924 #define MCX_CAP_DEVICE_SIGERR_QCE	0x00002000
925 #define MCX_CAP_DEVICE_WQ_SIGNATURE	0x00000800
926 #define MCX_CAP_DEVICE_SCTR_DATA_CQE	0x00000400
927 #define MCX_CAP_DEVICE_SHO		0x00000100
928 #define MCX_CAP_DEVICE_TPH		0x00000080
929 #define MCX_CAP_DEVICE_RF		0x00000040
930 #define MCX_CAP_DEVICE_DCT		0x00000020
931 #define MCX_CAP_DEVICE_QOS		0x00000010
932 #define MCX_CAP_DEVICe_ETH_NET_OFFLOADS	0x00000008
933 #define MCX_CAP_DEVICE_ROCE		0x00000004
934 #define MCX_CAP_DEVICE_ATOMIC		0x00000002
935 
936 	uint32_t		flags6;
937 #define MCX_CAP_DEVICE_CQ_OI		0x80000000
938 #define MCX_CAP_DEVICE_CQ_RESIZE	0x40000000
939 #define MCX_CAP_DEVICE_CQ_MODERATION	0x20000000
940 #define MCX_CAP_DEVICE_CQ_PERIOD_MODE_MODIFY \
941 					0x10000000
942 #define MCX_CAP_DEVICE_CQ_INVALIDATE	0x08000000
943 #define MCX_CAP_DEVICE_RESERVED_AT_255	0x04000000
944 #define MCX_CAP_DEVICE_CQ_EQ_REMAP	0x02000000
945 #define MCX_CAP_DEVICE_PG		0x01000000
946 #define MCX_CAP_DEVICE_BLOCK_LB_MC	0x00800000
947 #define MCX_CAP_DEVICE_EXPONENTIAL_BACKOFF \
948 					0x00400000
949 #define MCX_CAP_DEVICE_SCQE_BREAK_MODERATION \
950 					0x00200000
951 #define MCX_CAP_DEVICE_CQ_PERIOD_START_FROM_CQE \
952 					0x00100000
953 #define MCX_CAP_DEVICE_CD		0x00080000
954 #define MCX_CAP_DEVICE_ATM		0x00040000
955 #define MCX_CAP_DEVICE_APM		0x00020000
956 #define MCX_CAP_DEVICE_IMAICL		0x00010000
957 #define MCX_CAP_DEVICE_QKV		0x00000200
958 #define MCX_CAP_DEVICE_PKV		0x00000100
959 #define MCX_CAP_DEVICE_SET_DETH_SQPN	0x00000080
960 #define MCX_CAP_DEVICE_XRC		0x00000008
961 #define MCX_CAP_DEVICE_UD		0x00000004
962 #define MCX_CAP_DEVICE_UC		0x00000002
963 #define MCX_CAP_DEVICE_RC		0x00000001
964 
965 	uint8_t			uar_flags;
966 #define MCX_CAP_DEVICE_UAR_4K		0x80
967 	uint8_t			uar_sz;	/* 6 bits */
968 #define MCX_CAP_DEVICE_UAR_SZ		0x3f
969 	uint8_t			__reserved__[1];
970 	uint8_t			log_pg_sz;
971 
972 	uint8_t			flags7;
973 #define MCX_CAP_DEVICE_BF		0x80
974 #define MCX_CAP_DEVICE_DRIVER_VERSION	0x40
975 #define MCX_CAP_DEVICE_PAD_TX_ETH_PACKET \
976 					0x20
977 	uint8_t			log_bf_reg_size; /* 5 bits */
978 #define MCX_CAP_DEVICE_LOG_BF_REG_SIZE	0x1f
979 	uint8_t			__reserved__[2];
980 
981 	uint16_t		num_of_diagnostic_counters;
982 	uint16_t		max_wqe_sz_sq;
983 
984 	uint8_t			__reserved__[2];
985 	uint16_t		max_wqe_sz_rq;
986 
987 	uint8_t			__reserved__[2];
988 	uint16_t		max_wqe_sz_sq_dc;
989 
990 	uint32_t		max_qp_mcg; /* 25 bits */
991 #define MCX_CAP_DEVICE_MAX_QP_MCG	0x1ffffff
992 
993 	uint8_t			__reserved__[3];
994 	uint8_t			log_max_mcq;
995 
996 	uint8_t			log_max_transport_domain; /* 5 bits */
997 #define MCX_CAP_DEVICE_LOG_MAX_TRANSORT_DOMAIN \
998 					0x1f
999 	uint8_t			log_max_pd; /* 5 bits */
1000 #define MCX_CAP_DEVICE_LOG_MAX_PD	0x1f
1001 	uint8_t			__reserved__[1];
1002 	uint8_t			log_max_xrcd; /* 5 bits */
1003 #define MCX_CAP_DEVICE_LOG_MAX_XRCD	0x1f
1004 
1005 	uint8_t			__reserved__[2];
1006 	uint16_t		max_flow_counter;
1007 
1008 	uint8_t			log_max_rq; /* 5 bits */
1009 #define MCX_CAP_DEVICE_LOG_MAX_RQ	0x1f
1010 	uint8_t			log_max_sq; /* 5 bits */
1011 #define MCX_CAP_DEVICE_LOG_MAX_SQ	0x1f
1012 	uint8_t			log_max_tir; /* 5 bits */
1013 #define MCX_CAP_DEVICE_LOG_MAX_TIR	0x1f
1014 	uint8_t			log_max_tis; /* 5 bits */
1015 #define MCX_CAP_DEVICE_LOG_MAX_TIS	0x1f
1016 
1017 	uint8_t 		flags8;
1018 #define MCX_CAP_DEVICE_BASIC_CYCLIC_RCV_WQE \
1019 					0x80
1020 #define MCX_CAP_DEVICE_LOG_MAX_RMP	0x1f
1021 	uint8_t			log_max_rqt; /* 5 bits */
1022 #define MCX_CAP_DEVICE_LOG_MAX_RQT	0x1f
1023 	uint8_t			log_max_rqt_size; /* 5 bits */
1024 #define MCX_CAP_DEVICE_LOG_MAX_RQT_SIZE	0x1f
1025 	uint8_t			log_max_tis_per_sq; /* 5 bits */
1026 #define MCX_CAP_DEVICE_LOG_MAX_TIS_PER_SQ \
1027 					0x1f
1028 
1029 	uint8_t			flags9;
1030 #define MXC_CAP_DEVICE_EXT_STRIDE_NUM_RANGES \
1031 					0x80
1032 #define MXC_CAP_DEVICE_LOG_MAX_STRIDE_SZ_RQ \
1033 					0x1f
1034 	uint8_t			log_min_stride_sz_rq; /* 5 bits */
1035 #define MXC_CAP_DEVICE_LOG_MIN_STRIDE_SZ_RQ \
1036 					0x1f
1037 	uint8_t			log_max_stride_sz_sq; /* 5 bits */
1038 #define MXC_CAP_DEVICE_LOG_MAX_STRIDE_SZ_SQ \
1039 					0x1f
1040 	uint8_t			log_min_stride_sz_sq; /* 5 bits */
1041 #define MXC_CAP_DEVICE_LOG_MIN_STRIDE_SZ_SQ \
1042 					0x1f
1043 
1044 	uint8_t			log_max_hairpin_queues;
1045 #define MXC_CAP_DEVICE_HAIRPIN		0x80
1046 #define MXC_CAP_DEVICE_LOG_MAX_HAIRPIN_QUEUES \
1047 					0x1f
1048 	uint8_t			log_min_hairpin_queues;
1049 #define MXC_CAP_DEVICE_LOG_MIN_HAIRPIN_QUEUES \
1050 					0x1f
1051 	uint8_t			log_max_hairpin_num_packets;
1052 #define MXC_CAP_DEVICE_LOG_MAX_HAIRPIN_NUM_PACKETS \
1053 					0x1f
1054 	uint8_t			log_max_mq_sz;
1055 #define MXC_CAP_DEVICE_LOG_MAX_WQ_SZ \
1056 					0x1f
1057 
1058 	uint8_t			log_min_hairpin_wq_data_sz;
1059 #define MXC_CAP_DEVICE_NIC_VPORT_CHANGE_EVENT \
1060 					0x80
1061 #define MXC_CAP_DEVICE_DISABLE_LOCAL_LB_UC \
1062 					0x40
1063 #define MXC_CAP_DEVICE_DISABLE_LOCAL_LB_MC \
1064 					0x20
1065 #define MCX_CAP_DEVICE_LOG_MIN_HAIRPIN_WQ_DATA_SZ \
1066 					0x1f
1067 	uint8_t			log_max_vlan_list;
1068 #define MXC_CAP_DEVICE_SYSTEM_IMAGE_GUID_MODIFIABLE \
1069 					0x80
1070 #define MXC_CAP_DEVICE_LOG_MAX_VLAN_LIST \
1071 					0x1f
1072 	uint8_t			log_max_current_mc_list;
1073 #define MXC_CAP_DEVICE_LOG_MAX_CURRENT_MC_LIST \
1074 					0x1f
1075 	uint8_t			log_max_current_uc_list;
1076 #define MXC_CAP_DEVICE_LOG_MAX_CURRENT_UC_LIST \
1077 					0x1f
1078 
1079 	uint8_t			__reserved__[4];
1080 
1081 	uint32_t		create_qp_start_hint; /* 24 bits */
1082 
1083 	uint8_t			log_max_uctx; /* 5 bits */
1084 #define MXC_CAP_DEVICE_LOG_MAX_UCTX	0x1f
1085 	uint8_t			log_max_umem; /* 5 bits */
1086 #define MXC_CAP_DEVICE_LOG_MAX_UMEM	0x1f
1087 	uint16_t		max_num_eqs;
1088 
1089 	uint8_t			log_max_l2_table; /* 5 bits */
1090 #define MXC_CAP_DEVICE_LOG_MAX_L2_TABLE	0x1f
1091 	uint8_t			__reserved__[1];
1092 	uint16_t		log_uar_page_sz;
1093 
1094 	uint8_t			__reserved__[8];
1095 
1096 	uint32_t		device_frequency_mhz;
1097 	uint32_t		device_frequency_khz;
1098 } __packed __aligned(8);
1099 
1100 CTASSERT(offsetof(struct mcx_cap_device, max_indirection) == 0x20);
1101 CTASSERT(offsetof(struct mcx_cap_device, flags1) == 0x2c);
1102 CTASSERT(offsetof(struct mcx_cap_device, flags2) == 0x30);
1103 CTASSERT(offsetof(struct mcx_cap_device, snapshot_log_max_msg) == 0x38);
1104 CTASSERT(offsetof(struct mcx_cap_device, flags5) == 0x40);
1105 CTASSERT(offsetof(struct mcx_cap_device, flags7) == 0x4c);
1106 CTASSERT(offsetof(struct mcx_cap_device, device_frequency_mhz) == 0x98);
1107 CTASSERT(offsetof(struct mcx_cap_device, device_frequency_khz) == 0x9c);
1108 CTASSERT(sizeof(struct mcx_cap_device) <= MCX_CMDQ_MAILBOX_DATASIZE);
1109 
1110 struct mcx_cmd_set_driver_version_in {
1111 	uint16_t		cmd_opcode;
1112 	uint8_t			cmd_reserved0[4];
1113 	uint16_t		cmd_op_mod;
1114 	uint8_t			cmd_reserved1[8];
1115 } __packed __aligned(4);
1116 
1117 struct mcx_cmd_set_driver_version_out {
1118 	uint8_t			cmd_status;
1119 	uint8_t			cmd_reserved0[3];
1120 	uint32_t		cmd_syndrome;
1121 	uint8_t			cmd_reserved1[8];
1122 } __packed __aligned(4);
1123 
1124 struct mcx_cmd_set_driver_version {
1125 	uint8_t			cmd_driver_version[64];
1126 } __packed __aligned(8);
1127 
1128 struct mcx_cmd_modify_nic_vport_context_in {
1129 	uint16_t		cmd_opcode;
1130 	uint8_t			cmd_reserved0[4];
1131 	uint16_t		cmd_op_mod;
1132 	uint8_t			cmd_reserved1[4];
1133 	uint32_t		cmd_field_select;
1134 #define MCX_CMD_MODIFY_NIC_VPORT_CONTEXT_FIELD_ADDR	0x04
1135 #define MCX_CMD_MODIFY_NIC_VPORT_CONTEXT_FIELD_PROMISC	0x10
1136 #define MCX_CMD_MODIFY_NIC_VPORT_CONTEXT_FIELD_MTU	0x40
1137 } __packed __aligned(4);
1138 
1139 struct mcx_cmd_modify_nic_vport_context_out {
1140 	uint8_t			cmd_status;
1141 	uint8_t			cmd_reserved0[3];
1142 	uint32_t		cmd_syndrome;
1143 	uint8_t			cmd_reserved1[8];
1144 } __packed __aligned(4);
1145 
1146 struct mcx_cmd_query_nic_vport_context_in {
1147 	uint16_t		cmd_opcode;
1148 	uint8_t			cmd_reserved0[4];
1149 	uint16_t		cmd_op_mod;
1150 	uint8_t			cmd_reserved1[4];
1151 	uint8_t			cmd_allowed_list_type;
1152 	uint8_t			cmd_reserved2[3];
1153 } __packed __aligned(4);
1154 
1155 struct mcx_cmd_query_nic_vport_context_out {
1156 	uint8_t			cmd_status;
1157 	uint8_t			cmd_reserved0[3];
1158 	uint32_t		cmd_syndrome;
1159 	uint8_t			cmd_reserved1[8];
1160 } __packed __aligned(4);
1161 
1162 struct mcx_nic_vport_ctx {
1163 	uint32_t		vp_min_wqe_inline_mode;
1164 	uint8_t			vp_reserved0[32];
1165 	uint32_t		vp_mtu;
1166 	uint8_t			vp_reserved1[200];
1167 	uint16_t		vp_flags;
1168 #define MCX_NIC_VPORT_CTX_LIST_UC_MAC			(0)
1169 #define MCX_NIC_VPORT_CTX_LIST_MC_MAC			(1 << 24)
1170 #define MCX_NIC_VPORT_CTX_LIST_VLAN			(2 << 24)
1171 #define MCX_NIC_VPORT_CTX_PROMISC_ALL			(1 << 13)
1172 #define MCX_NIC_VPORT_CTX_PROMISC_MCAST			(1 << 14)
1173 #define MCX_NIC_VPORT_CTX_PROMISC_UCAST			(1 << 15)
1174 	uint16_t		vp_allowed_list_size;
1175 	uint64_t		vp_perm_addr;
1176 	uint8_t			vp_reserved2[4];
1177 	/* allowed list follows */
1178 } __packed __aligned(4);
1179 
1180 struct mcx_counter {
1181 	uint64_t		packets;
1182 	uint64_t		octets;
1183 } __packed __aligned(4);
1184 
1185 struct mcx_nic_vport_counters {
1186 	struct mcx_counter	rx_err;
1187 	struct mcx_counter	tx_err;
1188 	uint8_t			reserved0[64]; /* 0x30 */
1189 	struct mcx_counter	rx_bcast;
1190 	struct mcx_counter	tx_bcast;
1191 	struct mcx_counter	rx_ucast;
1192 	struct mcx_counter	tx_ucast;
1193 	struct mcx_counter	rx_mcast;
1194 	struct mcx_counter	tx_mcast;
1195 	uint8_t			reserved1[0x210 - 0xd0];
1196 } __packed __aligned(4);
1197 
1198 struct mcx_cmd_query_vport_counters_in {
1199 	uint16_t		cmd_opcode;
1200 	uint8_t			cmd_reserved0[4];
1201 	uint16_t		cmd_op_mod;
1202 	uint8_t			cmd_reserved1[8];
1203 } __packed __aligned(4);
1204 
1205 struct mcx_cmd_query_vport_counters_mb_in {
1206 	uint8_t			cmd_reserved0[8];
1207 	uint8_t			cmd_clear;
1208 	uint8_t			cmd_reserved1[7];
1209 } __packed __aligned(4);
1210 
1211 struct mcx_cmd_query_vport_counters_out {
1212 	uint8_t			cmd_status;
1213 	uint8_t			cmd_reserved0[3];
1214 	uint32_t		cmd_syndrome;
1215 	uint8_t			cmd_reserved1[8];
1216 } __packed __aligned(4);
1217 
1218 struct mcx_cmd_query_flow_counter_in {
1219 	uint16_t		cmd_opcode;
1220 	uint8_t			cmd_reserved0[4];
1221 	uint16_t		cmd_op_mod;
1222 	uint8_t			cmd_reserved1[8];
1223 } __packed __aligned(4);
1224 
1225 struct mcx_cmd_query_flow_counter_mb_in {
1226 	uint8_t			cmd_reserved0[8];
1227 	uint8_t			cmd_clear;
1228 	uint8_t			cmd_reserved1[5];
1229 	uint16_t		cmd_flow_counter_id;
1230 } __packed __aligned(4);
1231 
1232 struct mcx_cmd_query_flow_counter_out {
1233 	uint8_t			cmd_status;
1234 	uint8_t			cmd_reserved0[3];
1235 	uint32_t		cmd_syndrome;
1236 	uint8_t			cmd_reserved1[8];
1237 } __packed __aligned(4);
1238 
1239 struct mcx_cmd_alloc_uar_in {
1240 	uint16_t		cmd_opcode;
1241 	uint8_t			cmd_reserved0[4];
1242 	uint16_t		cmd_op_mod;
1243 	uint8_t			cmd_reserved1[8];
1244 } __packed __aligned(4);
1245 
1246 struct mcx_cmd_alloc_uar_out {
1247 	uint8_t			cmd_status;
1248 	uint8_t			cmd_reserved0[3];
1249 	uint32_t		cmd_syndrome;
1250 	uint32_t		cmd_uar;
1251 	uint8_t			cmd_reserved1[4];
1252 } __packed __aligned(4);
1253 
1254 struct mcx_cmd_query_special_ctx_in {
1255 	uint16_t		cmd_opcode;
1256 	uint8_t			cmd_reserved0[4];
1257 	uint16_t		cmd_op_mod;
1258 	uint8_t			cmd_reserved1[8];
1259 } __packed __aligned(4);
1260 
1261 struct mcx_cmd_query_special_ctx_out {
1262 	uint8_t			cmd_status;
1263 	uint8_t			cmd_reserved0[3];
1264 	uint32_t		cmd_syndrome;
1265 	uint8_t			cmd_reserved1[4];
1266 	uint32_t		cmd_resd_lkey;
1267 } __packed __aligned(4);
1268 
1269 struct mcx_eq_ctx {
1270 	uint32_t		eq_status;
1271 #define MCX_EQ_CTX_STATE_SHIFT		8
1272 #define MCX_EQ_CTX_STATE_MASK		(0xf << MCX_EQ_CTX_STATE_SHIFT)
1273 #define MCX_EQ_CTX_STATE_ARMED		0x9
1274 #define MCX_EQ_CTX_STATE_FIRED		0xa
1275 #define MCX_EQ_CTX_OI_SHIFT		17
1276 #define MCX_EQ_CTX_OI			(1 << MCX_EQ_CTX_OI_SHIFT)
1277 #define MCX_EQ_CTX_EC_SHIFT		18
1278 #define MCX_EQ_CTX_EC			(1 << MCX_EQ_CTX_EC_SHIFT)
1279 #define MCX_EQ_CTX_STATUS_SHIFT		28
1280 #define MCX_EQ_CTX_STATUS_MASK		(0xf << MCX_EQ_CTX_STATUS_SHIFT)
1281 #define MCX_EQ_CTX_STATUS_OK		0x0
1282 #define MCX_EQ_CTX_STATUS_EQ_WRITE_FAILURE 0xa
1283 	uint32_t		eq_reserved1;
1284 	uint32_t		eq_page_offset;
1285 #define MCX_EQ_CTX_PAGE_OFFSET_SHIFT	5
1286 	uint32_t		eq_uar_size;
1287 #define MCX_EQ_CTX_UAR_PAGE_MASK	0xffffff
1288 #define MCX_EQ_CTX_LOG_EQ_SIZE_SHIFT	24
1289 	uint32_t		eq_reserved2;
1290 	uint8_t			eq_reserved3[3];
1291 	uint8_t			eq_intr;
1292 	uint32_t		eq_log_page_size;
1293 #define MCX_EQ_CTX_LOG_PAGE_SIZE_SHIFT	24
1294 	uint32_t		eq_reserved4[3];
1295 	uint32_t		eq_consumer_counter;
1296 	uint32_t		eq_producer_counter;
1297 #define MCX_EQ_CTX_COUNTER_MASK		0xffffff
1298 	uint32_t		eq_reserved5[4];
1299 } __packed __aligned(4);
1300 
1301 CTASSERT(sizeof(struct mcx_eq_ctx) == 64);
1302 
1303 struct mcx_cmd_create_eq_in {
1304 	uint16_t		cmd_opcode;
1305 	uint8_t			cmd_reserved0[4];
1306 	uint16_t		cmd_op_mod;
1307 	uint8_t			cmd_reserved1[8];
1308 } __packed __aligned(4);
1309 
1310 struct mcx_cmd_create_eq_mb_in {
1311 	struct mcx_eq_ctx	cmd_eq_ctx;
1312 	uint8_t			cmd_reserved0[8];
1313 	uint64_t		cmd_event_bitmask;
1314 #define MCX_EVENT_TYPE_COMPLETION	0x00
1315 #define MCX_EVENT_TYPE_CQ_ERROR		0x04
1316 #define MCX_EVENT_TYPE_INTERNAL_ERROR	0x08
1317 #define MCX_EVENT_TYPE_PORT_CHANGE	0x09
1318 #define MCX_EVENT_TYPE_CMD_COMPLETION	0x0a
1319 #define MCX_EVENT_TYPE_PAGE_REQUEST	0x0b
1320 #define MCX_EVENT_TYPE_LAST_WQE		0x13
1321 	uint8_t			cmd_reserved1[176];
1322 } __packed __aligned(4);
1323 
1324 struct mcx_cmd_create_eq_out {
1325 	uint8_t			cmd_status;
1326 	uint8_t			cmd_reserved0[3];
1327 	uint32_t		cmd_syndrome;
1328 	uint32_t		cmd_eqn;
1329 	uint8_t			cmd_reserved1[4];
1330 } __packed __aligned(4);
1331 
1332 struct mcx_cmd_query_eq_in {
1333 	uint16_t		cmd_opcode;
1334 	uint8_t			cmd_reserved0[4];
1335 	uint16_t		cmd_op_mod;
1336 	uint32_t		cmd_eqn;
1337 	uint8_t			cmd_reserved1[4];
1338 } __packed __aligned(4);
1339 
1340 struct mcx_cmd_query_eq_out {
1341 	uint8_t			cmd_status;
1342 	uint8_t			cmd_reserved0[3];
1343 	uint32_t		cmd_syndrome;
1344 	uint8_t			cmd_reserved1[8];
1345 } __packed __aligned(4);
1346 
1347 struct mcx_eq_entry {
1348 	uint8_t			eq_reserved1;
1349 	uint8_t			eq_event_type;
1350 	uint8_t			eq_reserved2;
1351 	uint8_t			eq_event_sub_type;
1352 
1353 	uint8_t			eq_reserved3[28];
1354 	uint32_t		eq_event_data[7];
1355 	uint8_t			eq_reserved4[2];
1356 	uint8_t			eq_signature;
1357 	uint8_t			eq_owner;
1358 #define MCX_EQ_ENTRY_OWNER_INIT			1
1359 } __packed __aligned(4);
1360 
1361 CTASSERT(sizeof(struct mcx_eq_entry) == 64);
1362 
1363 struct mcx_cmd_alloc_pd_in {
1364 	uint16_t		cmd_opcode;
1365 	uint8_t			cmd_reserved0[4];
1366 	uint16_t		cmd_op_mod;
1367 	uint8_t			cmd_reserved1[8];
1368 } __packed __aligned(4);
1369 
1370 struct mcx_cmd_alloc_pd_out {
1371 	uint8_t			cmd_status;
1372 	uint8_t			cmd_reserved0[3];
1373 	uint32_t		cmd_syndrome;
1374 	uint32_t		cmd_pd;
1375 	uint8_t			cmd_reserved1[4];
1376 } __packed __aligned(4);
1377 
1378 struct mcx_cmd_alloc_td_in {
1379 	uint16_t		cmd_opcode;
1380 	uint8_t			cmd_reserved0[4];
1381 	uint16_t		cmd_op_mod;
1382 	uint8_t			cmd_reserved1[8];
1383 } __packed __aligned(4);
1384 
1385 struct mcx_cmd_alloc_td_out {
1386 	uint8_t			cmd_status;
1387 	uint8_t			cmd_reserved0[3];
1388 	uint32_t		cmd_syndrome;
1389 	uint32_t		cmd_tdomain;
1390 	uint8_t			cmd_reserved1[4];
1391 } __packed __aligned(4);
1392 
1393 struct mcx_cmd_create_tir_in {
1394 	uint16_t		cmd_opcode;
1395 	uint8_t			cmd_reserved0[4];
1396 	uint16_t		cmd_op_mod;
1397 	uint8_t			cmd_reserved1[8];
1398 } __packed __aligned(4);
1399 
1400 struct mcx_cmd_create_tir_mb_in {
1401 	uint8_t			cmd_reserved0[20];
1402 	uint32_t		cmd_disp_type;
1403 #define MCX_TIR_CTX_DISP_TYPE_DIRECT	0
1404 #define MCX_TIR_CTX_DISP_TYPE_INDIRECT	1
1405 #define MCX_TIR_CTX_DISP_TYPE_SHIFT	28
1406 	uint8_t			cmd_reserved1[8];
1407 	uint32_t		cmd_lro;
1408 	uint8_t			cmd_reserved2[8];
1409 	uint32_t		cmd_inline_rqn;
1410 	uint32_t		cmd_indir_table;
1411 	uint32_t		cmd_tdomain;
1412 #define MCX_TIR_CTX_HASH_TOEPLITZ	2
1413 #define MCX_TIR_CTX_HASH_SHIFT		28
1414 	uint8_t			cmd_rx_hash_key[40];
1415 	uint32_t		cmd_rx_hash_sel_outer;
1416 #define MCX_TIR_CTX_HASH_SEL_SRC_IP	(1 << 0)
1417 #define MCX_TIR_CTX_HASH_SEL_DST_IP	(1 << 1)
1418 #define MCX_TIR_CTX_HASH_SEL_SPORT	(1 << 2)
1419 #define MCX_TIR_CTX_HASH_SEL_DPORT	(1 << 3)
1420 #define MCX_TIR_CTX_HASH_SEL_IPV4	(0 << 31)
1421 #define MCX_TIR_CTX_HASH_SEL_IPV6	(1 << 31)
1422 #define MCX_TIR_CTX_HASH_SEL_TCP	(0 << 30)
1423 #define MCX_TIR_CTX_HASH_SEL_UDP	(1 << 30)
1424 	uint32_t		cmd_rx_hash_sel_inner;
1425 	uint8_t			cmd_reserved3[152];
1426 } __packed __aligned(4);
1427 
1428 struct mcx_cmd_create_tir_out {
1429 	uint8_t			cmd_status;
1430 	uint8_t			cmd_reserved0[3];
1431 	uint32_t		cmd_syndrome;
1432 	uint32_t		cmd_tirn;
1433 	uint8_t			cmd_reserved1[4];
1434 } __packed __aligned(4);
1435 
1436 struct mcx_cmd_destroy_tir_in {
1437 	uint16_t		cmd_opcode;
1438 	uint8_t			cmd_reserved0[4];
1439 	uint16_t		cmd_op_mod;
1440 	uint32_t		cmd_tirn;
1441 	uint8_t			cmd_reserved1[4];
1442 } __packed __aligned(4);
1443 
1444 struct mcx_cmd_destroy_tir_out {
1445 	uint8_t			cmd_status;
1446 	uint8_t			cmd_reserved0[3];
1447 	uint32_t		cmd_syndrome;
1448 	uint8_t			cmd_reserved1[8];
1449 } __packed __aligned(4);
1450 
1451 struct mcx_cmd_create_tis_in {
1452 	uint16_t		cmd_opcode;
1453 	uint8_t			cmd_reserved0[4];
1454 	uint16_t		cmd_op_mod;
1455 	uint8_t			cmd_reserved1[8];
1456 } __packed __aligned(4);
1457 
1458 struct mcx_cmd_create_tis_mb_in {
1459 	uint8_t			cmd_reserved[16];
1460 	uint32_t		cmd_prio;
1461 	uint8_t			cmd_reserved1[32];
1462 	uint32_t		cmd_tdomain;
1463 	uint8_t			cmd_reserved2[120];
1464 } __packed __aligned(4);
1465 
1466 struct mcx_cmd_create_tis_out {
1467 	uint8_t			cmd_status;
1468 	uint8_t			cmd_reserved0[3];
1469 	uint32_t		cmd_syndrome;
1470 	uint32_t		cmd_tisn;
1471 	uint8_t			cmd_reserved1[4];
1472 } __packed __aligned(4);
1473 
1474 struct mcx_cmd_destroy_tis_in {
1475 	uint16_t		cmd_opcode;
1476 	uint8_t			cmd_reserved0[4];
1477 	uint16_t		cmd_op_mod;
1478 	uint32_t		cmd_tisn;
1479 	uint8_t			cmd_reserved1[4];
1480 } __packed __aligned(4);
1481 
1482 struct mcx_cmd_destroy_tis_out {
1483 	uint8_t			cmd_status;
1484 	uint8_t			cmd_reserved0[3];
1485 	uint32_t		cmd_syndrome;
1486 	uint8_t			cmd_reserved1[8];
1487 } __packed __aligned(4);
1488 
1489 struct mcx_cmd_create_rqt_in {
1490 	uint16_t		cmd_opcode;
1491 	uint8_t			cmd_reserved0[4];
1492 	uint16_t		cmd_op_mod;
1493 	uint8_t			cmd_reserved1[8];
1494 } __packed __aligned(4);
1495 
1496 struct mcx_rqt_ctx {
1497 	uint8_t			cmd_reserved0[20];
1498 	uint16_t		cmd_reserved1;
1499 	uint16_t		cmd_rqt_max_size;
1500 	uint16_t		cmd_reserved2;
1501 	uint16_t		cmd_rqt_actual_size;
1502 	uint8_t			cmd_reserved3[212];
1503 } __packed __aligned(4);
1504 
1505 struct mcx_cmd_create_rqt_mb_in {
1506 	uint8_t			cmd_reserved0[16];
1507 	struct mcx_rqt_ctx	cmd_rqt;
1508 } __packed __aligned(4);
1509 
1510 struct mcx_cmd_create_rqt_out {
1511 	uint8_t			cmd_status;
1512 	uint8_t			cmd_reserved0[3];
1513 	uint32_t		cmd_syndrome;
1514 	uint32_t		cmd_rqtn;
1515 	uint8_t			cmd_reserved1[4];
1516 } __packed __aligned(4);
1517 
1518 struct mcx_cmd_destroy_rqt_in {
1519 	uint16_t		cmd_opcode;
1520 	uint8_t			cmd_reserved0[4];
1521 	uint16_t		cmd_op_mod;
1522 	uint32_t		cmd_rqtn;
1523 	uint8_t			cmd_reserved1[4];
1524 } __packed __aligned(4);
1525 
1526 struct mcx_cmd_destroy_rqt_out {
1527 	uint8_t			cmd_status;
1528 	uint8_t			cmd_reserved0[3];
1529 	uint32_t		cmd_syndrome;
1530 	uint8_t			cmd_reserved1[8];
1531 } __packed __aligned(4);
1532 
1533 struct mcx_cq_ctx {
1534 	uint32_t		cq_status;
1535 #define MCX_CQ_CTX_STATUS_SHIFT		28
1536 #define MCX_CQ_CTX_STATUS_MASK		(0xf << MCX_CQ_CTX_STATUS_SHIFT)
1537 #define MCX_CQ_CTX_STATUS_OK		0x0
1538 #define MCX_CQ_CTX_STATUS_OVERFLOW	0x9
1539 #define MCX_CQ_CTX_STATUS_WRITE_FAIL	0xa
1540 #define MCX_CQ_CTX_STATE_SHIFT		8
1541 #define MCX_CQ_CTX_STATE_MASK		(0xf << MCX_CQ_CTX_STATE_SHIFT)
1542 #define MCX_CQ_CTX_STATE_SOLICITED	0x6
1543 #define MCX_CQ_CTX_STATE_ARMED		0x9
1544 #define MCX_CQ_CTX_STATE_FIRED		0xa
1545 	uint32_t		cq_reserved1;
1546 	uint32_t		cq_page_offset;
1547 	uint32_t		cq_uar_size;
1548 #define MCX_CQ_CTX_UAR_PAGE_MASK	0xffffff
1549 #define MCX_CQ_CTX_LOG_CQ_SIZE_SHIFT	24
1550 	uint32_t		cq_period_max_count;
1551 #define MCX_CQ_CTX_PERIOD_SHIFT		16
1552 	uint32_t		cq_eqn;
1553 	uint32_t		cq_log_page_size;
1554 #define MCX_CQ_CTX_LOG_PAGE_SIZE_SHIFT	24
1555 	uint32_t		cq_reserved2;
1556 	uint32_t		cq_last_notified;
1557 	uint32_t		cq_last_solicit;
1558 	uint32_t		cq_consumer_counter;
1559 	uint32_t		cq_producer_counter;
1560 	uint8_t			cq_reserved3[8];
1561 	uint64_t		cq_doorbell;
1562 } __packed __aligned(4);
1563 
1564 CTASSERT(sizeof(struct mcx_cq_ctx) == 64);
1565 
1566 struct mcx_cmd_create_cq_in {
1567 	uint16_t		cmd_opcode;
1568 	uint8_t			cmd_reserved0[4];
1569 	uint16_t		cmd_op_mod;
1570 	uint8_t			cmd_reserved1[8];
1571 } __packed __aligned(4);
1572 
1573 struct mcx_cmd_create_cq_mb_in {
1574 	struct mcx_cq_ctx	cmd_cq_ctx;
1575 	uint8_t			cmd_reserved1[192];
1576 } __packed __aligned(4);
1577 
1578 struct mcx_cmd_create_cq_out {
1579 	uint8_t			cmd_status;
1580 	uint8_t			cmd_reserved0[3];
1581 	uint32_t		cmd_syndrome;
1582 	uint32_t		cmd_cqn;
1583 	uint8_t			cmd_reserved1[4];
1584 } __packed __aligned(4);
1585 
1586 struct mcx_cmd_destroy_cq_in {
1587 	uint16_t		cmd_opcode;
1588 	uint8_t			cmd_reserved0[4];
1589 	uint16_t		cmd_op_mod;
1590 	uint32_t		cmd_cqn;
1591 	uint8_t			cmd_reserved1[4];
1592 } __packed __aligned(4);
1593 
1594 struct mcx_cmd_destroy_cq_out {
1595 	uint8_t			cmd_status;
1596 	uint8_t			cmd_reserved0[3];
1597 	uint32_t		cmd_syndrome;
1598 	uint8_t			cmd_reserved1[8];
1599 } __packed __aligned(4);
1600 
1601 struct mcx_cmd_query_cq_in {
1602 	uint16_t		cmd_opcode;
1603 	uint8_t			cmd_reserved0[4];
1604 	uint16_t		cmd_op_mod;
1605 	uint32_t		cmd_cqn;
1606 	uint8_t			cmd_reserved1[4];
1607 } __packed __aligned(4);
1608 
1609 struct mcx_cmd_query_cq_out {
1610 	uint8_t			cmd_status;
1611 	uint8_t			cmd_reserved0[3];
1612 	uint32_t		cmd_syndrome;
1613 	uint8_t			cmd_reserved1[8];
1614 } __packed __aligned(4);
1615 
1616 struct mcx_cq_entry {
1617 	uint32_t		__reserved__;
1618 	uint32_t		cq_lro;
1619 	uint32_t		cq_lro_ack_seq_num;
1620 	uint32_t		cq_rx_hash;
1621 	uint8_t			cq_rx_hash_type;
1622 	uint8_t			cq_ml_path;
1623 	uint16_t		__reserved__;
1624 	uint32_t		cq_checksum;
1625 	uint32_t		__reserved__;
1626 	uint32_t		cq_flags;
1627 #define MCX_CQ_ENTRY_FLAGS_L4_OK		(1 << 26)
1628 #define MCX_CQ_ENTRY_FLAGS_L3_OK		(1 << 25)
1629 #define MCX_CQ_ENTRY_FLAGS_L2_OK		(1 << 24)
1630 #define MCX_CQ_ENTRY_FLAGS_CV			(1 << 16)
1631 #define MCX_CQ_ENTRY_FLAGS_VLAN_MASK		(0xffff)
1632 
1633 	uint32_t		cq_lro_srqn;
1634 	uint32_t		__reserved__[2];
1635 	uint32_t		cq_byte_cnt;
1636 	uint64_t		cq_timestamp;
1637 	uint8_t			cq_rx_drops;
1638 	uint8_t			cq_flow_tag[3];
1639 	uint16_t		cq_wqe_count;
1640 	uint8_t			cq_signature;
1641 	uint8_t			cq_opcode_owner;
1642 #define MCX_CQ_ENTRY_FLAG_OWNER			(1 << 0)
1643 #define MCX_CQ_ENTRY_FLAG_SE			(1 << 1)
1644 #define MCX_CQ_ENTRY_FORMAT_SHIFT		2
1645 #define MCX_CQ_ENTRY_OPCODE_SHIFT		4
1646 
1647 #define MCX_CQ_ENTRY_FORMAT_NO_INLINE		0
1648 #define MCX_CQ_ENTRY_FORMAT_INLINE_32		1
1649 #define MCX_CQ_ENTRY_FORMAT_INLINE_64		2
1650 #define MCX_CQ_ENTRY_FORMAT_COMPRESSED		3
1651 
1652 #define MCX_CQ_ENTRY_OPCODE_REQ			0
1653 #define MCX_CQ_ENTRY_OPCODE_SEND		2
1654 #define MCX_CQ_ENTRY_OPCODE_REQ_ERR		13
1655 #define MCX_CQ_ENTRY_OPCODE_SEND_ERR		14
1656 #define MCX_CQ_ENTRY_OPCODE_INVALID		15
1657 
1658 } __packed __aligned(4);
1659 
1660 CTASSERT(sizeof(struct mcx_cq_entry) == 64);
1661 
1662 struct mcx_cq_doorbell {
1663 	uint32_t		 db_update_ci;
1664 	uint32_t		 db_arm_ci;
1665 #define MCX_CQ_DOORBELL_ARM_CMD_SN_SHIFT	28
1666 #define MCX_CQ_DOORBELL_ARM_CMD			(1 << 24)
1667 #define MCX_CQ_DOORBELL_ARM_CI_MASK		(0xffffff)
1668 } __packed __aligned(8);
1669 
1670 struct mcx_wq_ctx {
1671 	uint8_t			 wq_type;
1672 #define MCX_WQ_CTX_TYPE_CYCLIC			(1 << 4)
1673 #define MCX_WQ_CTX_TYPE_SIGNATURE		(1 << 3)
1674 	uint8_t			 wq_reserved0[5];
1675 	uint16_t		 wq_lwm;
1676 	uint32_t		 wq_pd;
1677 	uint32_t		 wq_uar_page;
1678 	uint64_t		 wq_doorbell;
1679 	uint32_t		 wq_hw_counter;
1680 	uint32_t		 wq_sw_counter;
1681 	uint16_t		 wq_log_stride;
1682 	uint8_t			 wq_log_page_sz;
1683 	uint8_t			 wq_log_size;
1684 	uint8_t			 wq_reserved1[156];
1685 } __packed __aligned(4);
1686 
1687 CTASSERT(sizeof(struct mcx_wq_ctx) == 0xC0);
1688 
1689 struct mcx_sq_ctx {
1690 	uint32_t		sq_flags;
1691 #define MCX_SQ_CTX_RLKEY			(1U << 31)
1692 #define MCX_SQ_CTX_FRE_SHIFT			(1 << 29)
1693 #define MCX_SQ_CTX_FLUSH_IN_ERROR		(1 << 28)
1694 #define MCX_SQ_CTX_MIN_WQE_INLINE_SHIFT		24
1695 #define MCX_SQ_CTX_STATE_SHIFT			20
1696 #define MCX_SQ_CTX_STATE_MASK			(0xf << 20)
1697 #define MCX_SQ_CTX_STATE_RST			0
1698 #define MCX_SQ_CTX_STATE_RDY			1
1699 #define MCX_SQ_CTX_STATE_ERR			3
1700 	uint32_t		sq_user_index;
1701 	uint32_t		sq_cqn;
1702 	uint32_t		sq_reserved1[5];
1703 	uint32_t		sq_tis_lst_sz;
1704 #define MCX_SQ_CTX_TIS_LST_SZ_SHIFT		16
1705 	uint32_t		sq_reserved2[2];
1706 	uint32_t		sq_tis_num;
1707 	struct mcx_wq_ctx	sq_wq;
1708 } __packed __aligned(4);
1709 
1710 struct mcx_sq_entry_seg {
1711 	uint32_t		sqs_byte_count;
1712 	uint32_t		sqs_lkey;
1713 	uint64_t		sqs_addr;
1714 } __packed __aligned(4);
1715 
1716 struct mcx_sq_entry {
1717 	/* control segment */
1718 	uint32_t		sqe_opcode_index;
1719 #define MCX_SQE_WQE_INDEX_SHIFT			8
1720 #define MCX_SQE_WQE_OPCODE_NOP			0x00
1721 #define MCX_SQE_WQE_OPCODE_SEND			0x0a
1722 	uint32_t		sqe_ds_sq_num;
1723 #define MCX_SQE_SQ_NUM_SHIFT			8
1724 	uint32_t		sqe_signature;
1725 #define MCX_SQE_SIGNATURE_SHIFT			24
1726 #define MCX_SQE_SOLICITED_EVENT			0x02
1727 #define MCX_SQE_CE_CQE_ON_ERR			0x00
1728 #define MCX_SQE_CE_CQE_FIRST_ERR		0x04
1729 #define MCX_SQE_CE_CQE_ALWAYS			0x08
1730 #define MCX_SQE_CE_CQE_SOLICIT			0x0C
1731 #define MCX_SQE_FM_NO_FENCE			0x00
1732 #define MCX_SQE_FM_SMALL_FENCE			0x40
1733 	uint32_t		sqe_mkey;
1734 
1735 	/* ethernet segment */
1736 	uint32_t		sqe_reserved1;
1737 	uint32_t		sqe_mss_csum;
1738 #define MCX_SQE_L4_CSUM				(1 << 31)
1739 #define MCX_SQE_L3_CSUM				(1 << 30)
1740 	uint32_t		sqe_reserved2;
1741 	uint16_t		sqe_inline_header_size;
1742 	uint16_t		sqe_inline_headers[9];
1743 
1744 	/* data segment */
1745 	struct mcx_sq_entry_seg sqe_segs[1];
1746 } __packed __aligned(64);
1747 
1748 CTASSERT(sizeof(struct mcx_sq_entry) == 64);
1749 
1750 struct mcx_cmd_create_sq_in {
1751 	uint16_t		cmd_opcode;
1752 	uint8_t			cmd_reserved0[4];
1753 	uint16_t		cmd_op_mod;
1754 	uint8_t			cmd_reserved1[8];
1755 } __packed __aligned(4);
1756 
1757 struct mcx_cmd_create_sq_out {
1758 	uint8_t			cmd_status;
1759 	uint8_t			cmd_reserved0[3];
1760 	uint32_t		cmd_syndrome;
1761 	uint32_t		cmd_sqn;
1762 	uint8_t			cmd_reserved1[4];
1763 } __packed __aligned(4);
1764 
1765 struct mcx_cmd_modify_sq_in {
1766 	uint16_t		cmd_opcode;
1767 	uint8_t			cmd_reserved0[4];
1768 	uint16_t		cmd_op_mod;
1769 	uint32_t		cmd_sq_state;
1770 	uint8_t			cmd_reserved1[4];
1771 } __packed __aligned(4);
1772 
1773 struct mcx_cmd_modify_sq_mb_in {
1774 	uint32_t		cmd_modify_hi;
1775 	uint32_t		cmd_modify_lo;
1776 	uint8_t			cmd_reserved0[8];
1777 	struct mcx_sq_ctx	cmd_sq_ctx;
1778 } __packed __aligned(4);
1779 
1780 struct mcx_cmd_modify_sq_out {
1781 	uint8_t			cmd_status;
1782 	uint8_t			cmd_reserved0[3];
1783 	uint32_t		cmd_syndrome;
1784 	uint8_t			cmd_reserved1[8];
1785 } __packed __aligned(4);
1786 
1787 struct mcx_cmd_destroy_sq_in {
1788 	uint16_t		cmd_opcode;
1789 	uint8_t			cmd_reserved0[4];
1790 	uint16_t		cmd_op_mod;
1791 	uint32_t		cmd_sqn;
1792 	uint8_t			cmd_reserved1[4];
1793 } __packed __aligned(4);
1794 
1795 struct mcx_cmd_destroy_sq_out {
1796 	uint8_t			cmd_status;
1797 	uint8_t			cmd_reserved0[3];
1798 	uint32_t		cmd_syndrome;
1799 	uint8_t			cmd_reserved1[8];
1800 } __packed __aligned(4);
1801 
1802 
1803 struct mcx_rq_ctx {
1804 	uint32_t		rq_flags;
1805 #define MCX_RQ_CTX_RLKEY			(1U << 31)
1806 #define MCX_RQ_CTX_VLAN_STRIP_DIS		(1 << 28)
1807 #define MCX_RQ_CTX_MEM_RQ_TYPE_SHIFT		24
1808 #define MCX_RQ_CTX_STATE_SHIFT			20
1809 #define MCX_RQ_CTX_STATE_MASK			(0xf << 20)
1810 #define MCX_RQ_CTX_STATE_RST			0
1811 #define MCX_RQ_CTX_STATE_RDY			1
1812 #define MCX_RQ_CTX_STATE_ERR			3
1813 #define MCX_RQ_CTX_FLUSH_IN_ERROR		(1 << 18)
1814 	uint32_t		rq_user_index;
1815 	uint32_t		rq_cqn;
1816 	uint32_t		rq_reserved1;
1817 	uint32_t		rq_rmpn;
1818 	uint32_t		rq_reserved2[7];
1819 	struct mcx_wq_ctx	rq_wq;
1820 } __packed __aligned(4);
1821 
1822 struct mcx_rq_entry {
1823 	uint32_t		rqe_byte_count;
1824 	uint32_t		rqe_lkey;
1825 	uint64_t		rqe_addr;
1826 } __packed __aligned(16);
1827 
1828 struct mcx_cmd_create_rq_in {
1829 	uint16_t		cmd_opcode;
1830 	uint8_t			cmd_reserved0[4];
1831 	uint16_t		cmd_op_mod;
1832 	uint8_t			cmd_reserved1[8];
1833 } __packed __aligned(4);
1834 
1835 struct mcx_cmd_create_rq_out {
1836 	uint8_t			cmd_status;
1837 	uint8_t			cmd_reserved0[3];
1838 	uint32_t		cmd_syndrome;
1839 	uint32_t		cmd_rqn;
1840 	uint8_t			cmd_reserved1[4];
1841 } __packed __aligned(4);
1842 
1843 struct mcx_cmd_modify_rq_in {
1844 	uint16_t		cmd_opcode;
1845 	uint8_t			cmd_reserved0[4];
1846 	uint16_t		cmd_op_mod;
1847 	uint32_t		cmd_rq_state;
1848 	uint8_t			cmd_reserved1[4];
1849 } __packed __aligned(4);
1850 
1851 struct mcx_cmd_modify_rq_mb_in {
1852 	uint32_t		cmd_modify_hi;
1853 	uint32_t		cmd_modify_lo;
1854 	uint8_t			cmd_reserved0[8];
1855 	struct mcx_rq_ctx	cmd_rq_ctx;
1856 } __packed __aligned(4);
1857 
1858 struct mcx_cmd_modify_rq_out {
1859 	uint8_t			cmd_status;
1860 	uint8_t			cmd_reserved0[3];
1861 	uint32_t		cmd_syndrome;
1862 	uint8_t			cmd_reserved1[8];
1863 } __packed __aligned(4);
1864 
1865 struct mcx_cmd_destroy_rq_in {
1866 	uint16_t		cmd_opcode;
1867 	uint8_t			cmd_reserved0[4];
1868 	uint16_t		cmd_op_mod;
1869 	uint32_t		cmd_rqn;
1870 	uint8_t			cmd_reserved1[4];
1871 } __packed __aligned(4);
1872 
1873 struct mcx_cmd_destroy_rq_out {
1874 	uint8_t			cmd_status;
1875 	uint8_t			cmd_reserved0[3];
1876 	uint32_t		cmd_syndrome;
1877 	uint8_t			cmd_reserved1[8];
1878 } __packed __aligned(4);
1879 
1880 struct mcx_cmd_create_flow_table_in {
1881 	uint16_t		cmd_opcode;
1882 	uint8_t			cmd_reserved0[4];
1883 	uint16_t		cmd_op_mod;
1884 	uint8_t			cmd_reserved1[8];
1885 } __packed __aligned(4);
1886 
1887 struct mcx_flow_table_ctx {
1888 	uint8_t			ft_miss_action;
1889 	uint8_t			ft_level;
1890 	uint8_t			ft_reserved0;
1891 	uint8_t			ft_log_size;
1892 	uint32_t		ft_table_miss_id;
1893 	uint8_t			ft_reserved1[28];
1894 } __packed __aligned(4);
1895 
1896 struct mcx_cmd_create_flow_table_mb_in {
1897 	uint8_t			cmd_table_type;
1898 	uint8_t			cmd_reserved0[7];
1899 	struct mcx_flow_table_ctx cmd_ctx;
1900 } __packed __aligned(4);
1901 
1902 struct mcx_cmd_create_flow_table_out {
1903 	uint8_t			cmd_status;
1904 	uint8_t			cmd_reserved0[3];
1905 	uint32_t		cmd_syndrome;
1906 	uint32_t		cmd_table_id;
1907 	uint8_t			cmd_reserved1[4];
1908 } __packed __aligned(4);
1909 
1910 struct mcx_cmd_destroy_flow_table_in {
1911 	uint16_t		cmd_opcode;
1912 	uint8_t			cmd_reserved0[4];
1913 	uint16_t		cmd_op_mod;
1914 	uint8_t			cmd_reserved1[8];
1915 } __packed __aligned(4);
1916 
1917 struct mcx_cmd_destroy_flow_table_mb_in {
1918 	uint8_t			cmd_table_type;
1919 	uint8_t			cmd_reserved0[3];
1920 	uint32_t		cmd_table_id;
1921 	uint8_t			cmd_reserved1[40];
1922 } __packed __aligned(4);
1923 
1924 struct mcx_cmd_destroy_flow_table_out {
1925 	uint8_t			cmd_status;
1926 	uint8_t			cmd_reserved0[3];
1927 	uint32_t		cmd_syndrome;
1928 	uint8_t			cmd_reserved1[8];
1929 } __packed __aligned(4);
1930 
1931 struct mcx_cmd_set_flow_table_root_in {
1932 	uint16_t		cmd_opcode;
1933 	uint8_t			cmd_reserved0[4];
1934 	uint16_t		cmd_op_mod;
1935 	uint8_t			cmd_reserved1[8];
1936 } __packed __aligned(4);
1937 
1938 struct mcx_cmd_set_flow_table_root_mb_in {
1939 	uint8_t			cmd_table_type;
1940 	uint8_t			cmd_reserved0[3];
1941 	uint32_t		cmd_table_id;
1942 	uint8_t			cmd_reserved1[56];
1943 } __packed __aligned(4);
1944 
1945 struct mcx_cmd_set_flow_table_root_out {
1946 	uint8_t			cmd_status;
1947 	uint8_t			cmd_reserved0[3];
1948 	uint32_t		cmd_syndrome;
1949 	uint8_t			cmd_reserved1[8];
1950 } __packed __aligned(4);
1951 
1952 struct mcx_flow_match {
1953 	/* outer headers */
1954 	uint8_t			mc_src_mac[6];
1955 	uint16_t		mc_ethertype;
1956 	uint8_t			mc_dest_mac[6];
1957 	uint16_t		mc_first_vlan;
1958 	uint8_t			mc_ip_proto;
1959 	uint8_t			mc_ip_dscp_ecn;
1960 	uint8_t			mc_vlan_flags;
1961 #define MCX_FLOW_MATCH_IP_FRAG	(1 << 5)
1962 	uint8_t			mc_tcp_flags;
1963 	uint16_t		mc_tcp_sport;
1964 	uint16_t		mc_tcp_dport;
1965 	uint32_t		mc_reserved0;
1966 	uint16_t		mc_udp_sport;
1967 	uint16_t		mc_udp_dport;
1968 	uint8_t			mc_src_ip[16];
1969 	uint8_t			mc_dest_ip[16];
1970 
1971 	/* misc parameters */
1972 	uint8_t			mc_reserved1[8];
1973 	uint16_t		mc_second_vlan;
1974 	uint8_t			mc_reserved2[2];
1975 	uint8_t			mc_second_vlan_flags;
1976 	uint8_t			mc_reserved3[15];
1977 	uint32_t		mc_outer_ipv6_flow_label;
1978 	uint8_t			mc_reserved4[32];
1979 
1980 	uint8_t			mc_reserved[384];
1981 } __packed __aligned(4);
1982 
1983 CTASSERT(sizeof(struct mcx_flow_match) == 512);
1984 
1985 struct mcx_cmd_create_flow_group_in {
1986 	uint16_t		cmd_opcode;
1987 	uint8_t			cmd_reserved0[4];
1988 	uint16_t		cmd_op_mod;
1989 	uint8_t			cmd_reserved1[8];
1990 } __packed __aligned(4);
1991 
1992 struct mcx_cmd_create_flow_group_mb_in {
1993 	uint8_t			cmd_table_type;
1994 	uint8_t			cmd_reserved0[3];
1995 	uint32_t		cmd_table_id;
1996 	uint8_t			cmd_reserved1[4];
1997 	uint32_t		cmd_start_flow_index;
1998 	uint8_t			cmd_reserved2[4];
1999 	uint32_t		cmd_end_flow_index;
2000 	uint8_t			cmd_reserved3[23];
2001 	uint8_t			cmd_match_criteria_enable;
2002 #define MCX_CREATE_FLOW_GROUP_CRIT_OUTER	(1 << 0)
2003 #define MCX_CREATE_FLOW_GROUP_CRIT_MISC		(1 << 1)
2004 #define MCX_CREATE_FLOW_GROUP_CRIT_INNER	(1 << 2)
2005 	struct mcx_flow_match	cmd_match_criteria;
2006 	uint8_t			cmd_reserved4[448];
2007 } __packed __aligned(4);
2008 
2009 struct mcx_cmd_create_flow_group_out {
2010 	uint8_t			cmd_status;
2011 	uint8_t			cmd_reserved0[3];
2012 	uint32_t		cmd_syndrome;
2013 	uint32_t		cmd_group_id;
2014 	uint8_t			cmd_reserved1[4];
2015 } __packed __aligned(4);
2016 
2017 struct mcx_flow_ctx {
2018 	uint8_t			fc_reserved0[4];
2019 	uint32_t		fc_group_id;
2020 	uint32_t		fc_flow_tag;
2021 	uint32_t		fc_action;
2022 #define MCX_FLOW_CONTEXT_ACTION_ALLOW		(1 << 0)
2023 #define MCX_FLOW_CONTEXT_ACTION_DROP		(1 << 1)
2024 #define MCX_FLOW_CONTEXT_ACTION_FORWARD		(1 << 2)
2025 #define MCX_FLOW_CONTEXT_ACTION_COUNT		(1 << 3)
2026 	uint32_t		fc_dest_list_size;
2027 	uint32_t		fc_counter_list_size;
2028 	uint8_t			fc_reserved1[40];
2029 	struct mcx_flow_match	fc_match_value;
2030 	uint8_t			fc_reserved2[192];
2031 } __packed __aligned(4);
2032 
2033 #define MCX_FLOW_CONTEXT_DEST_TYPE_TABLE	(1 << 24)
2034 #define MCX_FLOW_CONTEXT_DEST_TYPE_TIR		(2 << 24)
2035 
2036 struct mcx_cmd_destroy_flow_group_in {
2037 	uint16_t		cmd_opcode;
2038 	uint8_t			cmd_reserved0[4];
2039 	uint16_t		cmd_op_mod;
2040 	uint8_t			cmd_reserved1[8];
2041 } __packed __aligned(4);
2042 
2043 struct mcx_cmd_destroy_flow_group_mb_in {
2044 	uint8_t			cmd_table_type;
2045 	uint8_t			cmd_reserved0[3];
2046 	uint32_t		cmd_table_id;
2047 	uint32_t		cmd_group_id;
2048 	uint8_t			cmd_reserved1[36];
2049 } __packed __aligned(4);
2050 
2051 struct mcx_cmd_destroy_flow_group_out {
2052 	uint8_t			cmd_status;
2053 	uint8_t			cmd_reserved0[3];
2054 	uint32_t		cmd_syndrome;
2055 	uint8_t			cmd_reserved1[8];
2056 } __packed __aligned(4);
2057 
2058 struct mcx_cmd_set_flow_table_entry_in {
2059 	uint16_t		cmd_opcode;
2060 	uint8_t			cmd_reserved0[4];
2061 	uint16_t		cmd_op_mod;
2062 	uint8_t			cmd_reserved1[8];
2063 } __packed __aligned(4);
2064 
2065 struct mcx_cmd_set_flow_table_entry_mb_in {
2066 	uint8_t			cmd_table_type;
2067 	uint8_t			cmd_reserved0[3];
2068 	uint32_t		cmd_table_id;
2069 	uint32_t		cmd_modify_enable_mask;
2070 	uint8_t			cmd_reserved1[4];
2071 	uint32_t		cmd_flow_index;
2072 	uint8_t			cmd_reserved2[28];
2073 	struct mcx_flow_ctx	cmd_flow_ctx;
2074 } __packed __aligned(4);
2075 
2076 struct mcx_cmd_set_flow_table_entry_out {
2077 	uint8_t			cmd_status;
2078 	uint8_t			cmd_reserved0[3];
2079 	uint32_t		cmd_syndrome;
2080 	uint8_t			cmd_reserved1[8];
2081 } __packed __aligned(4);
2082 
2083 struct mcx_cmd_query_flow_table_entry_in {
2084 	uint16_t		cmd_opcode;
2085 	uint8_t			cmd_reserved0[4];
2086 	uint16_t		cmd_op_mod;
2087 	uint8_t			cmd_reserved1[8];
2088 } __packed __aligned(4);
2089 
2090 struct mcx_cmd_query_flow_table_entry_mb_in {
2091 	uint8_t			cmd_table_type;
2092 	uint8_t			cmd_reserved0[3];
2093 	uint32_t		cmd_table_id;
2094 	uint8_t			cmd_reserved1[8];
2095 	uint32_t		cmd_flow_index;
2096 	uint8_t			cmd_reserved2[28];
2097 } __packed __aligned(4);
2098 
2099 struct mcx_cmd_query_flow_table_entry_out {
2100 	uint8_t			cmd_status;
2101 	uint8_t			cmd_reserved0[3];
2102 	uint32_t		cmd_syndrome;
2103 	uint8_t			cmd_reserved1[8];
2104 } __packed __aligned(4);
2105 
2106 struct mcx_cmd_query_flow_table_entry_mb_out {
2107 	uint8_t			cmd_reserved0[48];
2108 	struct mcx_flow_ctx	cmd_flow_ctx;
2109 } __packed __aligned(4);
2110 
2111 struct mcx_cmd_delete_flow_table_entry_in {
2112 	uint16_t		cmd_opcode;
2113 	uint8_t			cmd_reserved0[4];
2114 	uint16_t		cmd_op_mod;
2115 	uint8_t			cmd_reserved1[8];
2116 } __packed __aligned(4);
2117 
2118 struct mcx_cmd_delete_flow_table_entry_mb_in {
2119 	uint8_t			cmd_table_type;
2120 	uint8_t			cmd_reserved0[3];
2121 	uint32_t		cmd_table_id;
2122 	uint8_t			cmd_reserved1[8];
2123 	uint32_t		cmd_flow_index;
2124 	uint8_t			cmd_reserved2[28];
2125 } __packed __aligned(4);
2126 
2127 struct mcx_cmd_delete_flow_table_entry_out {
2128 	uint8_t			cmd_status;
2129 	uint8_t			cmd_reserved0[3];
2130 	uint32_t		cmd_syndrome;
2131 	uint8_t			cmd_reserved1[8];
2132 } __packed __aligned(4);
2133 
2134 struct mcx_cmd_query_flow_group_in {
2135 	uint16_t		cmd_opcode;
2136 	uint8_t			cmd_reserved0[4];
2137 	uint16_t		cmd_op_mod;
2138 	uint8_t			cmd_reserved1[8];
2139 } __packed __aligned(4);
2140 
2141 struct mcx_cmd_query_flow_group_mb_in {
2142 	uint8_t			cmd_table_type;
2143 	uint8_t			cmd_reserved0[3];
2144 	uint32_t		cmd_table_id;
2145 	uint32_t		cmd_group_id;
2146 	uint8_t			cmd_reserved1[36];
2147 } __packed __aligned(4);
2148 
2149 struct mcx_cmd_query_flow_group_out {
2150 	uint8_t			cmd_status;
2151 	uint8_t			cmd_reserved0[3];
2152 	uint32_t		cmd_syndrome;
2153 	uint8_t			cmd_reserved1[8];
2154 } __packed __aligned(4);
2155 
2156 struct mcx_cmd_query_flow_group_mb_out {
2157 	uint8_t			cmd_reserved0[12];
2158 	uint32_t		cmd_start_flow_index;
2159 	uint8_t			cmd_reserved1[4];
2160 	uint32_t		cmd_end_flow_index;
2161 	uint8_t			cmd_reserved2[20];
2162 	uint32_t		cmd_match_criteria_enable;
2163 	uint8_t			cmd_match_criteria[512];
2164 	uint8_t			cmd_reserved4[448];
2165 } __packed __aligned(4);
2166 
2167 struct mcx_cmd_query_flow_table_in {
2168 	uint16_t		cmd_opcode;
2169 	uint8_t			cmd_reserved0[4];
2170 	uint16_t		cmd_op_mod;
2171 	uint8_t			cmd_reserved1[8];
2172 } __packed __aligned(4);
2173 
2174 struct mcx_cmd_query_flow_table_mb_in {
2175 	uint8_t			cmd_table_type;
2176 	uint8_t			cmd_reserved0[3];
2177 	uint32_t		cmd_table_id;
2178 	uint8_t			cmd_reserved1[40];
2179 } __packed __aligned(4);
2180 
2181 struct mcx_cmd_query_flow_table_out {
2182 	uint8_t			cmd_status;
2183 	uint8_t			cmd_reserved0[3];
2184 	uint32_t		cmd_syndrome;
2185 	uint8_t			cmd_reserved1[8];
2186 } __packed __aligned(4);
2187 
2188 struct mcx_cmd_query_flow_table_mb_out {
2189 	uint8_t			cmd_reserved0[4];
2190 	struct mcx_flow_table_ctx cmd_ctx;
2191 } __packed __aligned(4);
2192 
2193 struct mcx_cmd_alloc_flow_counter_in {
2194 	uint16_t		cmd_opcode;
2195 	uint8_t			cmd_reserved0[4];
2196 	uint16_t		cmd_op_mod;
2197 	uint8_t			cmd_reserved1[8];
2198 } __packed __aligned(4);
2199 
2200 struct mcx_cmd_query_rq_in {
2201 	uint16_t		cmd_opcode;
2202 	uint8_t			cmd_reserved0[4];
2203 	uint16_t		cmd_op_mod;
2204 	uint32_t		cmd_rqn;
2205 	uint8_t			cmd_reserved1[4];
2206 } __packed __aligned(4);
2207 
2208 struct mcx_cmd_query_rq_out {
2209 	uint8_t			cmd_status;
2210 	uint8_t			cmd_reserved0[3];
2211 	uint32_t		cmd_syndrome;
2212 	uint8_t			cmd_reserved1[8];
2213 } __packed __aligned(4);
2214 
2215 struct mcx_cmd_query_rq_mb_out {
2216 	uint8_t			cmd_reserved0[16];
2217 	struct mcx_rq_ctx	cmd_ctx;
2218 };
2219 
2220 struct mcx_cmd_query_sq_in {
2221 	uint16_t		cmd_opcode;
2222 	uint8_t			cmd_reserved0[4];
2223 	uint16_t		cmd_op_mod;
2224 	uint32_t		cmd_sqn;
2225 	uint8_t			cmd_reserved1[4];
2226 } __packed __aligned(4);
2227 
2228 struct mcx_cmd_query_sq_out {
2229 	uint8_t			cmd_status;
2230 	uint8_t			cmd_reserved0[3];
2231 	uint32_t		cmd_syndrome;
2232 	uint8_t			cmd_reserved1[8];
2233 } __packed __aligned(4);
2234 
2235 struct mcx_cmd_query_sq_mb_out {
2236 	uint8_t			cmd_reserved0[16];
2237 	struct mcx_sq_ctx	cmd_ctx;
2238 };
2239 
2240 struct mcx_cmd_alloc_flow_counter_out {
2241 	uint8_t			cmd_status;
2242 	uint8_t			cmd_reserved0[3];
2243 	uint32_t		cmd_syndrome;
2244 	uint8_t			cmd_reserved1[2];
2245 	uint16_t		cmd_flow_counter_id;
2246 	uint8_t			cmd_reserved2[4];
2247 } __packed __aligned(4);
2248 
2249 struct mcx_wq_doorbell {
2250 	uint32_t		 db_recv_counter;
2251 	uint32_t		 db_send_counter;
2252 } __packed __aligned(8);
2253 
2254 struct mcx_dmamem {
2255 	bus_dmamap_t		 mxm_map;
2256 	bus_dma_segment_t	 mxm_seg;
2257 	int			 mxm_nsegs;
2258 	size_t			 mxm_size;
2259 	void			*mxm_kva;
2260 };
2261 #define MCX_DMA_MAP(_mxm)	((_mxm)->mxm_map)
2262 #define MCX_DMA_DVA(_mxm)	((_mxm)->mxm_map->dm_segs[0].ds_addr)
2263 #define MCX_DMA_KVA(_mxm)	((void *)(_mxm)->mxm_kva)
2264 #define MCX_DMA_OFF(_mxm, _off)	((void *)((char *)(_mxm)->mxm_kva + (_off)))
2265 #define MCX_DMA_LEN(_mxm)	((_mxm)->mxm_size)
2266 
2267 struct mcx_hwmem {
2268 	bus_dmamap_t		 mhm_map;
2269 	bus_dma_segment_t	*mhm_segs;
2270 	unsigned int		 mhm_seg_count;
2271 	unsigned int		 mhm_npages;
2272 };
2273 
2274 struct mcx_slot {
2275 	bus_dmamap_t		 ms_map;
2276 	struct mbuf		*ms_m;
2277 };
2278 
2279 struct mcx_eq {
2280 	int			 eq_n;
2281 	uint32_t		 eq_cons;
2282 	struct mcx_dmamem	 eq_mem;
2283 };
2284 
2285 struct mcx_cq {
2286 	int			 cq_n;
2287 	struct mcx_dmamem	 cq_mem;
2288 	bus_addr_t		 cq_doorbell;
2289 	uint32_t		 cq_cons;
2290 	uint32_t		 cq_count;
2291 };
2292 
2293 struct mcx_calibration {
2294 	uint64_t		 c_timestamp;	/* previous mcx chip time */
2295 	uint64_t		 c_uptime;	/* previous kernel nanouptime */
2296 	uint64_t		 c_tbase;	/* mcx chip time */
2297 	uint64_t		 c_ubase;	/* kernel nanouptime */
2298 	uint64_t		 c_ratio;
2299 };
2300 
2301 #define MCX_CALIBRATE_FIRST    2
2302 #define MCX_CALIBRATE_NORMAL   32
2303 
2304 struct mcx_rxring {
2305 	u_int			 rxr_total;
2306 	u_int			 rxr_inuse;
2307 };
2308 
2309 MBUFQ_HEAD(mcx_mbufq);
2310 
2311 struct mcx_rx {
2312 	struct mcx_softc	*rx_softc;
2313 
2314 	int			 rx_rqn;
2315 	struct mcx_dmamem	 rx_rq_mem;
2316 	struct mcx_slot		*rx_slots;
2317 	bus_addr_t		 rx_doorbell;
2318 
2319 	uint32_t		 rx_prod;
2320 	callout_t		 rx_refill;
2321 	struct mcx_rxring	 rx_rxr;
2322 } __aligned(64);
2323 
2324 struct mcx_tx {
2325 	struct mcx_softc	*tx_softc;
2326 	kmutex_t		 tx_lock;
2327 	pcq_t			*tx_pcq;
2328 	void			*tx_softint;
2329 
2330 	int			 tx_uar;
2331 	int			 tx_sqn;
2332 	struct mcx_dmamem	 tx_sq_mem;
2333 	struct mcx_slot		*tx_slots;
2334 	bus_addr_t		 tx_doorbell;
2335 	int			 tx_bf_offset;
2336 
2337 	uint32_t		 tx_cons;
2338 	uint32_t		 tx_prod;
2339 } __aligned(64);
2340 
2341 struct mcx_queues {
2342 	void			*q_ihc;
2343 	struct mcx_softc	*q_sc;
2344 	int			 q_uar;
2345 	int			 q_index;
2346 	struct mcx_rx		 q_rx;
2347 	struct mcx_tx		 q_tx;
2348 	struct mcx_cq		 q_cq;
2349 	struct mcx_eq		 q_eq;
2350 #if NKSTAT > 0
2351 	struct kstat		*q_kstat;
2352 #endif
2353 };
2354 
2355 struct mcx_flow_group {
2356 	int			 g_id;
2357 	int			 g_table;
2358 	int			 g_start;
2359 	int			 g_size;
2360 };
2361 
2362 #define MCX_FLOW_GROUP_PROMISC		0
2363 #define MCX_FLOW_GROUP_ALLMULTI		1
2364 #define MCX_FLOW_GROUP_MAC		2
2365 #define MCX_FLOW_GROUP_RSS_L4		3
2366 #define MCX_FLOW_GROUP_RSS_L3		4
2367 #define MCX_FLOW_GROUP_RSS_NONE		5
2368 #define	MCX_NUM_FLOW_GROUPS		6
2369 
2370 #define MCX_HASH_SEL_L3		MCX_TIR_CTX_HASH_SEL_SRC_IP | \
2371 				MCX_TIR_CTX_HASH_SEL_DST_IP
2372 #define MCX_HASH_SEL_L4		MCX_HASH_SEL_L3 | MCX_TIR_CTX_HASH_SEL_SPORT | \
2373 				MCX_TIR_CTX_HASH_SEL_DPORT
2374 
2375 #define MCX_RSS_HASH_SEL_V4_TCP MCX_HASH_SEL_L4 | MCX_TIR_CTX_HASH_SEL_TCP  |\
2376 				MCX_TIR_CTX_HASH_SEL_IPV4
2377 #define MCX_RSS_HASH_SEL_V6_TCP	MCX_HASH_SEL_L4 | MCX_TIR_CTX_HASH_SEL_TCP | \
2378 				MCX_TIR_CTX_HASH_SEL_IPV6
2379 #define MCX_RSS_HASH_SEL_V4_UDP	MCX_HASH_SEL_L4 | MCX_TIR_CTX_HASH_SEL_UDP | \
2380 				MCX_TIR_CTX_HASH_SEL_IPV4
2381 #define MCX_RSS_HASH_SEL_V6_UDP	MCX_HASH_SEL_L4 | MCX_TIR_CTX_HASH_SEL_UDP | \
2382 				MCX_TIR_CTX_HASH_SEL_IPV6
2383 #define MCX_RSS_HASH_SEL_V4	MCX_HASH_SEL_L3 | MCX_TIR_CTX_HASH_SEL_IPV4
2384 #define MCX_RSS_HASH_SEL_V6	MCX_HASH_SEL_L3 | MCX_TIR_CTX_HASH_SEL_IPV6
2385 
2386 /*
2387  * There are a few different pieces involved in configuring RSS.
2388  * A Receive Queue Table (RQT) is the indirection table that maps packets to
2389  * different rx queues based on a hash value.  We only create one, because
2390  * we want to scatter any traffic we can apply RSS to across all our rx
2391  * queues.  Anything else will only be delivered to the first rx queue,
2392  * which doesn't require an RQT.
2393  *
2394  * A Transport Interface Receive (TIR) delivers packets to either a single rx
2395  * queue or an RQT, and in the latter case, specifies the set of fields
2396  * hashed, the hash function, and the hash key.  We need one of these for each
2397  * type of RSS traffic - v4 TCP, v6 TCP, v4 UDP, v6 UDP, other v4, other v6,
2398  * and one for non-RSS traffic.
2399  *
2400  * Flow tables hold flow table entries in sequence.  The first entry that
2401  * matches a packet is applied, sending the packet to either another flow
2402  * table or a TIR.  We use one flow table to select packets based on
2403  * destination MAC address, and a second to apply RSS.  The entries in the
2404  * first table send matching packets to the second, and the entries in the
2405  * RSS table send packets to RSS TIRs if possible, or the non-RSS TIR.
2406  *
2407  * The flow table entry that delivers packets to an RSS TIR must include match
2408  * criteria that ensure packets delivered to the TIR include all the fields
2409  * that the TIR hashes on - so for a v4 TCP TIR, the flow table entry must
2410  * only accept v4 TCP packets.  Accordingly, we need flow table entries for
2411  * each TIR.
2412  *
2413  * All of this is a lot more flexible than we need, and we can describe most
2414  * of the stuff we need with a simple array.
2415  *
2416  * An RSS config creates a TIR with hashing enabled on a set of fields,
2417  * pointing to either the first rx queue or the RQT containing all the rx
2418  * queues, and a flow table entry that matches on an ether type and
2419  * optionally an ip proto, that delivers packets to the TIR.
2420  */
2421 static struct mcx_rss_rule {
2422 	int			hash_sel;
2423 	int			flow_group;
2424 	int			ethertype;
2425 	int			ip_proto;
2426 } mcx_rss_config[] = {
2427 	/* udp and tcp for v4/v6 */
2428 	{ MCX_RSS_HASH_SEL_V4_TCP, MCX_FLOW_GROUP_RSS_L4,
2429 	  ETHERTYPE_IP, IPPROTO_TCP },
2430 	{ MCX_RSS_HASH_SEL_V6_TCP, MCX_FLOW_GROUP_RSS_L4,
2431 	  ETHERTYPE_IPV6, IPPROTO_TCP },
2432 	{ MCX_RSS_HASH_SEL_V4_UDP, MCX_FLOW_GROUP_RSS_L4,
2433 	  ETHERTYPE_IP, IPPROTO_UDP },
2434 	{ MCX_RSS_HASH_SEL_V6_UDP, MCX_FLOW_GROUP_RSS_L4,
2435 	  ETHERTYPE_IPV6, IPPROTO_UDP },
2436 
2437 	/* other v4/v6 */
2438 	{ MCX_RSS_HASH_SEL_V4, MCX_FLOW_GROUP_RSS_L3,
2439 	  ETHERTYPE_IP, 0 },
2440 	{ MCX_RSS_HASH_SEL_V6, MCX_FLOW_GROUP_RSS_L3,
2441 	  ETHERTYPE_IPV6, 0 },
2442 
2443 	/* non v4/v6 */
2444 	{ 0, MCX_FLOW_GROUP_RSS_NONE, 0, 0 }
2445 };
2446 
2447 struct mcx_softc {
2448 	device_t		 sc_dev;
2449 	struct ethercom		 sc_ec;
2450 	struct ifmedia		 sc_media;
2451 	uint64_t		 sc_media_status;
2452 	uint64_t		 sc_media_active;
2453 	kmutex_t		 sc_media_mutex;
2454 
2455 	pci_chipset_tag_t	 sc_pc;
2456 	pci_intr_handle_t	*sc_intrs;
2457 	void			*sc_ihc;
2458 	pcitag_t		 sc_tag;
2459 
2460 	bus_dma_tag_t		 sc_dmat;
2461 	bus_space_tag_t		 sc_memt;
2462 	bus_space_handle_t	 sc_memh;
2463 	bus_size_t		 sc_mems;
2464 
2465 	struct mcx_dmamem	 sc_cmdq_mem;
2466 	unsigned int		 sc_cmdq_mask;
2467 	unsigned int		 sc_cmdq_size;
2468 
2469 	unsigned int		 sc_cmdq_token;
2470 
2471 	struct mcx_hwmem	 sc_boot_pages;
2472 	struct mcx_hwmem	 sc_init_pages;
2473 	struct mcx_hwmem	 sc_regular_pages;
2474 
2475 	int			 sc_uar;
2476 	int			 sc_pd;
2477 	int			 sc_tdomain;
2478 	uint32_t		 sc_lkey;
2479 	int			 sc_tis;
2480 	int			 sc_tir[__arraycount(mcx_rss_config)];
2481 	int			 sc_rqt;
2482 
2483 	struct mcx_dmamem	 sc_doorbell_mem;
2484 
2485 	struct mcx_eq		 sc_admin_eq;
2486 	struct mcx_eq		 sc_queue_eq;
2487 
2488 	int			 sc_hardmtu;
2489 	int			 sc_rxbufsz;
2490 
2491 	int			 sc_bf_size;
2492 	int			 sc_max_rqt_size;
2493 
2494 	struct workqueue	*sc_workq;
2495 	struct work		 sc_port_change;
2496 
2497 	int			 sc_mac_flow_table_id;
2498 	int			 sc_rss_flow_table_id;
2499 	struct mcx_flow_group	 sc_flow_group[MCX_NUM_FLOW_GROUPS];
2500 	int			 sc_promisc_flow_enabled;
2501 	int			 sc_allmulti_flow_enabled;
2502 	int			 sc_mcast_flow_base;
2503 	int			 sc_extra_mcast;
2504 	uint8_t			 sc_mcast_flows[MCX_NUM_MCAST_FLOWS][ETHER_ADDR_LEN];
2505 
2506 	struct mcx_calibration	 sc_calibration[2];
2507 	unsigned int		 sc_calibration_gen;
2508 	callout_t		 sc_calibrate;
2509 	uint32_t		 sc_mhz;
2510 	uint32_t		 sc_khz;
2511 
2512 	struct mcx_queues	*sc_queues;
2513 	unsigned int		 sc_nqueues;
2514 
2515 	int			 sc_mcam_reg;
2516 
2517 #if NKSTAT > 0
2518 	struct kstat		*sc_kstat_ieee8023;
2519 	struct kstat		*sc_kstat_rfc2863;
2520 	struct kstat		*sc_kstat_rfc2819;
2521 	struct kstat		*sc_kstat_rfc3635;
2522 	unsigned int		 sc_kstat_mtmp_count;
2523 	struct kstat		**sc_kstat_mtmp;
2524 #endif
2525 
2526 	struct timecounter	 sc_timecounter;
2527 };
2528 #define DEVNAME(_sc) device_xname((_sc)->sc_dev)
2529 
2530 static int	mcx_match(device_t, cfdata_t, void *);
2531 static void	mcx_attach(device_t, device_t, void *);
2532 
2533 static void *	mcx_establish_intr(struct mcx_softc *, int, kcpuset_t *,
2534 		    int (*)(void *), void *, const char *);
2535 
2536 static void	mcx_rxr_init(struct mcx_rxring *, u_int, u_int);
2537 static u_int	mcx_rxr_get(struct mcx_rxring *, u_int);
2538 static void	mcx_rxr_put(struct mcx_rxring *, u_int);
2539 static u_int	mcx_rxr_inuse(struct mcx_rxring *);
2540 
2541 #if NKSTAT > 0
2542 static void	mcx_kstat_attach(struct mcx_softc *);
2543 #endif
2544 
2545 static void	mcx_timecounter_attach(struct mcx_softc *);
2546 
2547 static int	mcx_version(struct mcx_softc *);
2548 static int	mcx_init_wait(struct mcx_softc *);
2549 static int	mcx_enable_hca(struct mcx_softc *);
2550 static int	mcx_teardown_hca(struct mcx_softc *, uint16_t);
2551 static int	mcx_access_hca_reg(struct mcx_softc *, uint16_t, int, void *,
2552 		    int);
2553 static int	mcx_issi(struct mcx_softc *);
2554 static int	mcx_pages(struct mcx_softc *, struct mcx_hwmem *, uint16_t);
2555 static int	mcx_hca_max_caps(struct mcx_softc *);
2556 static int	mcx_hca_set_caps(struct mcx_softc *);
2557 static int	mcx_init_hca(struct mcx_softc *);
2558 static int	mcx_set_driver_version(struct mcx_softc *);
2559 static int	mcx_iff(struct mcx_softc *);
2560 static int	mcx_alloc_uar(struct mcx_softc *, int *);
2561 static int	mcx_alloc_pd(struct mcx_softc *);
2562 static int	mcx_alloc_tdomain(struct mcx_softc *);
2563 static int	mcx_create_eq(struct mcx_softc *, struct mcx_eq *, int,
2564 		    uint64_t, int);
2565 static int	mcx_query_nic_vport_context(struct mcx_softc *, uint8_t *);
2566 static int	mcx_query_special_contexts(struct mcx_softc *);
2567 static int	mcx_set_port_mtu(struct mcx_softc *, int);
2568 static int	mcx_create_cq(struct mcx_softc *, struct mcx_cq *, int, int,
2569 		    int);
2570 static int	mcx_destroy_cq(struct mcx_softc *, struct mcx_cq *);
2571 static int	mcx_create_sq(struct mcx_softc *, struct mcx_tx *, int, int,
2572 		    int);
2573 static int	mcx_destroy_sq(struct mcx_softc *, struct mcx_tx *);
2574 static int	mcx_ready_sq(struct mcx_softc *, struct mcx_tx *);
2575 static int	mcx_create_rq(struct mcx_softc *, struct mcx_rx *, int, int);
2576 static int	mcx_destroy_rq(struct mcx_softc *, struct mcx_rx *);
2577 static int	mcx_ready_rq(struct mcx_softc *, struct mcx_rx *);
2578 static int	mcx_create_tir_direct(struct mcx_softc *, struct mcx_rx *,
2579 		    int *);
2580 static int	mcx_create_tir_indirect(struct mcx_softc *, int, uint32_t,
2581 		    int *);
2582 static int	mcx_destroy_tir(struct mcx_softc *, int);
2583 static int	mcx_create_tis(struct mcx_softc *, int *);
2584 static int	mcx_destroy_tis(struct mcx_softc *, int);
2585 static int	mcx_create_rqt(struct mcx_softc *, int, int *, int *);
2586 static int	mcx_destroy_rqt(struct mcx_softc *, int);
2587 static int	mcx_create_flow_table(struct mcx_softc *, int, int, int *);
2588 static int	mcx_set_flow_table_root(struct mcx_softc *, int);
2589 static int	mcx_destroy_flow_table(struct mcx_softc *, int);
2590 static int	mcx_create_flow_group(struct mcx_softc *, int, int, int,
2591 		    int, int, struct mcx_flow_match *);
2592 static int	mcx_destroy_flow_group(struct mcx_softc *, int);
2593 static int	mcx_set_flow_table_entry_mac(struct mcx_softc *, int, int,
2594 		    const uint8_t *, uint32_t);
2595 static int	mcx_set_flow_table_entry_proto(struct mcx_softc *, int, int,
2596 		    int, int, uint32_t);
2597 static int	mcx_delete_flow_table_entry(struct mcx_softc *, int, int);
2598 
2599 #if NKSTAT > 0
2600 static int	mcx_query_rq(struct mcx_softc *, struct mcx_rx *, struct mcx_rq_ctx *);
2601 static int	mcx_query_sq(struct mcx_softc *, struct mcx_tx *, struct mcx_sq_ctx *);
2602 static int	mcx_query_cq(struct mcx_softc *, struct mcx_cq *, struct mcx_cq_ctx *);
2603 static int	mcx_query_eq(struct mcx_softc *, struct mcx_eq *, struct mcx_eq_ctx *);
2604 #endif
2605 
2606 #if 0
2607 static int	mcx_dump_flow_table(struct mcx_softc *, int);
2608 static int	mcx_dump_flow_table_entry(struct mcx_softc *, int, int);
2609 static int	mcx_dump_flow_group(struct mcx_softc *, int);
2610 #endif
2611 
2612 
2613 /*
2614 static void	mcx_cmdq_dump(const struct mcx_cmdq_entry *);
2615 static void	mcx_cmdq_mbox_dump(struct mcx_dmamem *, int);
2616 */
2617 static void	mcx_refill(void *);
2618 static int	mcx_process_rx(struct mcx_softc *, struct mcx_rx *,
2619 		    struct mcx_cq_entry *, struct mcx_mbufq *,
2620 		    const struct mcx_calibration *);
2621 static int	mcx_process_txeof(struct mcx_softc *, struct mcx_tx *,
2622 		    struct mcx_cq_entry *);
2623 static void	mcx_process_cq(struct mcx_softc *, struct mcx_queues *,
2624 		    struct mcx_cq *);
2625 
2626 static void	mcx_arm_cq(struct mcx_softc *, struct mcx_cq *, int);
2627 static void	mcx_arm_eq(struct mcx_softc *, struct mcx_eq *, int);
2628 static int	mcx_admin_intr(void *);
2629 static int	mcx_cq_intr(void *);
2630 
2631 static int	mcx_init(struct ifnet *);
2632 static void	mcx_stop(struct ifnet *, int);
2633 static int	mcx_ioctl(struct ifnet *, u_long, void *);
2634 static void	mcx_start(struct ifnet *);
2635 static int	mcx_transmit(struct ifnet *, struct mbuf *);
2636 static void	mcx_deferred_transmit(void *);
2637 static void	mcx_media_add_types(struct mcx_softc *);
2638 static void	mcx_media_status(struct ifnet *, struct ifmediareq *);
2639 static int	mcx_media_change(struct ifnet *);
2640 #if 0
2641 static int	mcx_get_sffpage(struct ifnet *, struct if_sffpage *);
2642 #endif
2643 static void	mcx_port_change(struct work *, void *);
2644 
2645 static void	mcx_calibrate_first(struct mcx_softc *);
2646 static void	mcx_calibrate(void *);
2647 
2648 static inline uint32_t
2649 		mcx_rd(struct mcx_softc *, bus_size_t);
2650 static inline void
2651 		mcx_wr(struct mcx_softc *, bus_size_t, uint32_t);
2652 static inline void
2653 		mcx_bar(struct mcx_softc *, bus_size_t, bus_size_t, int);
2654 
2655 static uint64_t	mcx_timer(struct mcx_softc *);
2656 
2657 static int	mcx_dmamem_alloc(struct mcx_softc *, struct mcx_dmamem *,
2658 		    bus_size_t, u_int align);
2659 static void	mcx_dmamem_zero(struct mcx_dmamem *);
2660 static void	mcx_dmamem_free(struct mcx_softc *, struct mcx_dmamem *);
2661 
2662 static int	mcx_hwmem_alloc(struct mcx_softc *, struct mcx_hwmem *,
2663 		    unsigned int);
2664 static void	mcx_hwmem_free(struct mcx_softc *, struct mcx_hwmem *);
2665 
2666 CFATTACH_DECL_NEW(mcx, sizeof(struct mcx_softc), mcx_match, mcx_attach, NULL, NULL);
2667 
2668 static const struct {
2669 	pci_vendor_id_t		vendor;
2670 	pci_product_id_t	product;
2671 } mcx_devices[] = {
2672 	{ PCI_VENDOR_MELLANOX,	PCI_PRODUCT_MELLANOX_MT27700 },
2673 	{ PCI_VENDOR_MELLANOX,	PCI_PRODUCT_MELLANOX_MT27700VF },
2674 	{ PCI_VENDOR_MELLANOX,	PCI_PRODUCT_MELLANOX_MT27710 },
2675 	{ PCI_VENDOR_MELLANOX,	PCI_PRODUCT_MELLANOX_MT27710VF },
2676 	{ PCI_VENDOR_MELLANOX,	PCI_PRODUCT_MELLANOX_MT27800 },
2677 	{ PCI_VENDOR_MELLANOX,	PCI_PRODUCT_MELLANOX_MT27800VF },
2678 	{ PCI_VENDOR_MELLANOX,	PCI_PRODUCT_MELLANOX_MT28800 },
2679 	{ PCI_VENDOR_MELLANOX,	PCI_PRODUCT_MELLANOX_MT28800VF },
2680 	{ PCI_VENDOR_MELLANOX,	PCI_PRODUCT_MELLANOX_MT28908 },
2681 	{ PCI_VENDOR_MELLANOX,	PCI_PRODUCT_MELLANOX_MT2892 },
2682 	{ PCI_VENDOR_MELLANOX,	PCI_PRODUCT_MELLANOX_MT2894 },
2683 };
2684 
2685 struct mcx_eth_proto_capability {
2686 	uint64_t	cap_media;
2687 	uint64_t	cap_baudrate;
2688 };
2689 
2690 static const struct mcx_eth_proto_capability mcx_eth_cap_map[] = {
2691 	[MCX_ETHER_CAP_SGMII]		= { IFM_1000_SGMII,	IF_Gbps(1) },
2692 	[MCX_ETHER_CAP_1000_KX]		= { IFM_1000_KX,	IF_Gbps(1) },
2693 	[MCX_ETHER_CAP_10G_CX4]		= { IFM_10G_CX4,	IF_Gbps(10) },
2694 	[MCX_ETHER_CAP_10G_KX4]		= { IFM_10G_KX4,	IF_Gbps(10) },
2695 	[MCX_ETHER_CAP_10G_KR]		= { IFM_10G_KR,		IF_Gbps(10) },
2696 	[MCX_ETHER_CAP_20G_KR2]		= { IFM_20G_KR2,	IF_Gbps(20) },
2697 	[MCX_ETHER_CAP_40G_CR4]		= { IFM_40G_CR4,	IF_Gbps(40) },
2698 	[MCX_ETHER_CAP_40G_KR4]		= { IFM_40G_KR4,	IF_Gbps(40) },
2699 	[MCX_ETHER_CAP_56G_R4]		= { IFM_56G_R4,		IF_Gbps(56) },
2700 	[MCX_ETHER_CAP_10G_CR]		= { IFM_10G_CR1,	IF_Gbps(10) },
2701 	[MCX_ETHER_CAP_10G_SR]		= { IFM_10G_SR,		IF_Gbps(10) },
2702 	[MCX_ETHER_CAP_10G_LR]		= { IFM_10G_LR,		IF_Gbps(10) },
2703 	[MCX_ETHER_CAP_40G_SR4]		= { IFM_40G_SR4,	IF_Gbps(40) },
2704 	[MCX_ETHER_CAP_40G_LR4]		= { IFM_40G_LR4,	IF_Gbps(40) },
2705 	[MCX_ETHER_CAP_50G_SR2]		= { IFM_50G_SR2,	IF_Gbps(50) },
2706 	[MCX_ETHER_CAP_100G_CR4]	= { IFM_100G_CR4,	IF_Gbps(100) },
2707 	[MCX_ETHER_CAP_100G_SR4]	= { IFM_100G_SR4,	IF_Gbps(100) },
2708 	[MCX_ETHER_CAP_100G_KR4]	= { IFM_100G_KR4,	IF_Gbps(100) },
2709 	[MCX_ETHER_CAP_100G_LR4]	= { IFM_100G_LR4,	IF_Gbps(100) },
2710 	[MCX_ETHER_CAP_100_TX]		= { IFM_100_TX,		IF_Mbps(100) },
2711 	[MCX_ETHER_CAP_1000_T]		= { IFM_1000_T,		IF_Gbps(1) },
2712 	[MCX_ETHER_CAP_10G_T]		= { IFM_10G_T,		IF_Gbps(10) },
2713 	[MCX_ETHER_CAP_25G_CR]		= { IFM_25G_CR,		IF_Gbps(25) },
2714 	[MCX_ETHER_CAP_25G_KR]		= { IFM_25G_KR,		IF_Gbps(25) },
2715 	[MCX_ETHER_CAP_25G_SR]		= { IFM_25G_SR,		IF_Gbps(25) },
2716 	[MCX_ETHER_CAP_50G_CR2]		= { IFM_50G_CR2,	IF_Gbps(50) },
2717 	[MCX_ETHER_CAP_50G_KR2]		= { IFM_50G_KR2,	IF_Gbps(50) },
2718 };
2719 
2720 static int
2721 mcx_get_id(uint32_t val)
2722 {
2723 	return be32toh(val) & 0x00ffffff;
2724 }
2725 
2726 static int
2727 mcx_match(device_t parent, cfdata_t cf, void *aux)
2728 {
2729 	struct pci_attach_args *pa = aux;
2730 	int n;
2731 
2732 	for (n = 0; n < __arraycount(mcx_devices); n++) {
2733 		if (PCI_VENDOR(pa->pa_id) == mcx_devices[n].vendor &&
2734 		    PCI_PRODUCT(pa->pa_id) == mcx_devices[n].product)
2735 			return 1;
2736 	}
2737 
2738 	return 0;
2739 }
2740 
2741 void
2742 mcx_attach(device_t parent, device_t self, void *aux)
2743 {
2744 	struct mcx_softc *sc = device_private(self);
2745 	struct ifnet *ifp = &sc->sc_ec.ec_if;
2746 	struct pci_attach_args *pa = aux;
2747 	struct ifcapreq ifcr;
2748 	uint8_t enaddr[ETHER_ADDR_LEN];
2749 	int counts[PCI_INTR_TYPE_SIZE];
2750 	char intrxname[32];
2751 	pcireg_t memtype;
2752 	uint32_t r;
2753 	unsigned int cq_stride;
2754 	unsigned int cq_size;
2755 	int i, msix;
2756 	kcpuset_t *affinity;
2757 
2758 	sc->sc_dev = self;
2759 	sc->sc_pc = pa->pa_pc;
2760 	sc->sc_tag = pa->pa_tag;
2761 	if (pci_dma64_available(pa))
2762 		sc->sc_dmat = pa->pa_dmat64;
2763 	else
2764 		sc->sc_dmat = pa->pa_dmat;
2765 
2766 	/* Map the PCI memory space */
2767 	memtype = pci_mapreg_type(sc->sc_pc, sc->sc_tag, MCX_HCA_BAR);
2768 	if (pci_mapreg_map(pa, MCX_HCA_BAR, memtype,
2769 #ifdef __NetBSD__
2770 	    0,
2771 #else
2772 	    BUS_SPACE_MAP_PREFETCHABLE,
2773 #endif
2774 	    &sc->sc_memt, &sc->sc_memh,
2775 	    NULL, &sc->sc_mems)) {
2776 		aprint_error(": unable to map register memory\n");
2777 		return;
2778 	}
2779 
2780 	pci_aprint_devinfo(pa, "Ethernet controller");
2781 
2782 	mutex_init(&sc->sc_media_mutex, MUTEX_DEFAULT, IPL_SOFTNET);
2783 
2784 	if (mcx_version(sc) != 0) {
2785 		/* error printed by mcx_version */
2786 		goto unmap;
2787 	}
2788 
2789 	r = mcx_rd(sc, MCX_CMDQ_ADDR_LO);
2790 	cq_stride = 1 << MCX_CMDQ_LOG_STRIDE(r); /* size of the entries */
2791 	cq_size = 1 << MCX_CMDQ_LOG_SIZE(r); /* number of entries */
2792 	if (cq_size > MCX_MAX_CQE) {
2793 		aprint_error_dev(self,
2794 		    "command queue size overflow %u\n", cq_size);
2795 		goto unmap;
2796 	}
2797 	if (cq_stride < sizeof(struct mcx_cmdq_entry)) {
2798 		aprint_error_dev(self,
2799 		    "command queue entry size underflow %u\n", cq_stride);
2800 		goto unmap;
2801 	}
2802 	if (cq_stride * cq_size > MCX_PAGE_SIZE) {
2803 		aprint_error_dev(self, "command queue page overflow\n");
2804 		goto unmap;
2805 	}
2806 
2807 	if (mcx_dmamem_alloc(sc, &sc->sc_doorbell_mem, MCX_DOORBELL_AREA_SIZE,
2808 	    MCX_PAGE_SIZE) != 0) {
2809 		aprint_error_dev(self, "unable to allocate doorbell memory\n");
2810 		goto unmap;
2811 	}
2812 
2813 	if (mcx_dmamem_alloc(sc, &sc->sc_cmdq_mem, MCX_PAGE_SIZE,
2814 	    MCX_PAGE_SIZE) != 0) {
2815 		aprint_error_dev(self, "unable to allocate command queue\n");
2816 		goto dbfree;
2817 	}
2818 
2819 	mcx_wr(sc, MCX_CMDQ_ADDR_HI, MCX_DMA_DVA(&sc->sc_cmdq_mem) >> 32);
2820 	mcx_bar(sc, MCX_CMDQ_ADDR_HI, sizeof(uint32_t),
2821 	    BUS_SPACE_BARRIER_WRITE);
2822 	mcx_wr(sc, MCX_CMDQ_ADDR_LO, MCX_DMA_DVA(&sc->sc_cmdq_mem));
2823 	mcx_bar(sc, MCX_CMDQ_ADDR_LO, sizeof(uint32_t),
2824 	    BUS_SPACE_BARRIER_WRITE);
2825 
2826 	if (mcx_init_wait(sc) != 0) {
2827 		aprint_error_dev(self, "timeout waiting for init\n");
2828 		goto cqfree;
2829 	}
2830 
2831 	sc->sc_cmdq_mask = cq_size - 1;
2832 	sc->sc_cmdq_size = cq_stride;
2833 
2834 	if (mcx_enable_hca(sc) != 0) {
2835 		/* error printed by mcx_enable_hca */
2836 		goto cqfree;
2837 	}
2838 
2839 	if (mcx_issi(sc) != 0) {
2840 		/* error printed by mcx_issi */
2841 		goto teardown;
2842 	}
2843 
2844 	if (mcx_pages(sc, &sc->sc_boot_pages,
2845 	    htobe16(MCX_CMD_QUERY_PAGES_BOOT)) != 0) {
2846 		/* error printed by mcx_pages */
2847 		goto teardown;
2848 	}
2849 
2850 	if (mcx_hca_max_caps(sc) != 0) {
2851 		/* error printed by mcx_hca_max_caps */
2852 		goto teardown;
2853 	}
2854 
2855 	if (mcx_hca_set_caps(sc) != 0) {
2856 		/* error printed by mcx_hca_set_caps */
2857 		goto teardown;
2858 	}
2859 
2860 	if (mcx_pages(sc, &sc->sc_init_pages,
2861 	    htobe16(MCX_CMD_QUERY_PAGES_INIT)) != 0) {
2862 		/* error printed by mcx_pages */
2863 		goto teardown;
2864 	}
2865 
2866 	if (mcx_init_hca(sc) != 0) {
2867 		/* error printed by mcx_init_hca */
2868 		goto teardown;
2869 	}
2870 
2871 	if (mcx_pages(sc, &sc->sc_regular_pages,
2872 	    htobe16(MCX_CMD_QUERY_PAGES_REGULAR)) != 0) {
2873 		/* error printed by mcx_pages */
2874 		goto teardown;
2875 	}
2876 
2877 	/* apparently not necessary? */
2878 	if (mcx_set_driver_version(sc) != 0) {
2879 		/* error printed by mcx_set_driver_version */
2880 		goto teardown;
2881 	}
2882 
2883 	if (mcx_iff(sc) != 0) {	/* modify nic vport context */
2884 		/* error printed by mcx_iff? */
2885 		goto teardown;
2886 	}
2887 
2888 	if (mcx_alloc_uar(sc, &sc->sc_uar) != 0) {
2889 		/* error printed by mcx_alloc_uar */
2890 		goto teardown;
2891 	}
2892 
2893 	if (mcx_alloc_pd(sc) != 0) {
2894 		/* error printed by mcx_alloc_pd */
2895 		goto teardown;
2896 	}
2897 
2898 	if (mcx_alloc_tdomain(sc) != 0) {
2899 		/* error printed by mcx_alloc_tdomain */
2900 		goto teardown;
2901 	}
2902 
2903 	/*
2904 	 * PRM makes no mention of msi interrupts, just legacy and msi-x.
2905 	 * mellanox support tells me legacy interrupts are not supported,
2906 	 * so we're stuck with just msi-x.
2907 	 */
2908 	counts[PCI_INTR_TYPE_MSIX] = -1;
2909 	counts[PCI_INTR_TYPE_MSI] = 0;
2910 	counts[PCI_INTR_TYPE_INTX] = 0;
2911 	if (pci_intr_alloc(pa, &sc->sc_intrs, counts, PCI_INTR_TYPE_MSIX) != 0) {
2912 		aprint_error_dev(self, "unable to allocate interrupt\n");
2913 		goto teardown;
2914 	}
2915 	if (counts[PCI_INTR_TYPE_MSIX] < 2) {
2916 		aprint_error_dev(self, "not enough MSI-X vectors\n");
2917 		goto teardown;
2918 	}
2919 	KASSERT(pci_intr_type(sc->sc_pc, sc->sc_intrs[0]) == PCI_INTR_TYPE_MSIX);
2920 	snprintf(intrxname, sizeof(intrxname), "%s adminq", DEVNAME(sc));
2921 	sc->sc_ihc = mcx_establish_intr(sc, 0, NULL, mcx_admin_intr, sc,
2922 	    intrxname);
2923 	if (sc->sc_ihc == NULL) {
2924 		aprint_error_dev(self, "couldn't establish adminq interrupt\n");
2925 		goto teardown;
2926 	}
2927 
2928 	if (mcx_create_eq(sc, &sc->sc_admin_eq, sc->sc_uar,
2929 	    (1ull << MCX_EVENT_TYPE_INTERNAL_ERROR) |
2930 	    (1ull << MCX_EVENT_TYPE_PORT_CHANGE) |
2931 	    (1ull << MCX_EVENT_TYPE_CMD_COMPLETION) |
2932 	    (1ull << MCX_EVENT_TYPE_PAGE_REQUEST), 0) != 0) {
2933 		/* error printed by mcx_create_eq */
2934 		goto teardown;
2935 	}
2936 
2937 	if (mcx_query_nic_vport_context(sc, enaddr) != 0) {
2938 		/* error printed by mcx_query_nic_vport_context */
2939 		goto teardown;
2940 	}
2941 
2942 	if (mcx_query_special_contexts(sc) != 0) {
2943 		/* error printed by mcx_query_special_contexts */
2944 		goto teardown;
2945 	}
2946 
2947 	if (mcx_set_port_mtu(sc, MCX_HARDMTU) != 0) {
2948 		/* error printed by mcx_set_port_mtu */
2949 		goto teardown;
2950 	}
2951 
2952 	aprint_normal_dev(sc->sc_dev, "Ethernet address %s\n",
2953 	    ether_sprintf(enaddr));
2954 
2955 	msix = counts[PCI_INTR_TYPE_MSIX];
2956 	msix--; /* admin ops took one */
2957 
2958 	sc->sc_nqueues = uimin(MCX_MAX_QUEUES, msix);
2959 	sc->sc_nqueues = uimin(sc->sc_nqueues, ncpu);
2960 	/* Round down to a power of two.  */
2961 	sc->sc_nqueues = 1U << ilog2(sc->sc_nqueues);
2962 	sc->sc_queues = kmem_zalloc(sc->sc_nqueues * sizeof(*sc->sc_queues),
2963 	    KM_SLEEP);
2964 
2965 	strlcpy(ifp->if_xname, DEVNAME(sc), IFNAMSIZ);
2966 	ifp->if_softc = sc;
2967 	ifp->if_flags = IFF_BROADCAST | IFF_MULTICAST | IFF_SIMPLEX;
2968 #ifdef MCX_MPSAFE
2969 	ifp->if_extflags = IFEF_MPSAFE;
2970 #endif
2971 	ifp->if_init = mcx_init;
2972 	ifp->if_stop = mcx_stop;
2973 	ifp->if_ioctl = mcx_ioctl;
2974 	ifp->if_start = mcx_start;
2975 	if (sc->sc_nqueues > 1) {
2976 		ifp->if_transmit = mcx_transmit;
2977 	}
2978 	ifp->if_mtu = sc->sc_hardmtu;
2979 	ifp->if_capabilities = IFCAP_CSUM_IPv4_Rx | IFCAP_CSUM_IPv4_Tx |
2980 	    IFCAP_CSUM_UDPv4_Rx | IFCAP_CSUM_UDPv4_Tx |
2981 	    IFCAP_CSUM_UDPv6_Rx | IFCAP_CSUM_UDPv6_Tx |
2982 	    IFCAP_CSUM_TCPv4_Rx | IFCAP_CSUM_TCPv4_Tx |
2983 	    IFCAP_CSUM_TCPv6_Rx | IFCAP_CSUM_TCPv6_Tx;
2984 	IFQ_SET_MAXLEN(&ifp->if_snd, 1024);
2985 	IFQ_SET_READY(&ifp->if_snd);
2986 
2987 	sc->sc_ec.ec_capabilities = ETHERCAP_JUMBO_MTU |
2988 	    ETHERCAP_VLAN_MTU | ETHERCAP_VLAN_HWTAGGING;
2989 	sc->sc_ec.ec_capenable |= ETHERCAP_VLAN_HWTAGGING;
2990 
2991 	sc->sc_ec.ec_ifmedia = &sc->sc_media;
2992 	ifmedia_init_with_lock(&sc->sc_media, IFM_IMASK, mcx_media_change,
2993 	    mcx_media_status, &sc->sc_media_mutex);
2994 	mcx_media_add_types(sc);
2995 	ifmedia_add(&sc->sc_media, IFM_ETHER | IFM_AUTO, 0, NULL);
2996 	ifmedia_set(&sc->sc_media, IFM_ETHER | IFM_AUTO);
2997 
2998 	if_attach(ifp);
2999 
3000 	/* Enable hardware offload by default */
3001 	memset(&ifcr, 0, sizeof(ifcr));
3002 	ifcr.ifcr_capenable = ifp->if_capabilities;
3003 	ifioctl_common(ifp, SIOCSIFCAP, &ifcr);
3004 
3005 	if_deferred_start_init(ifp, NULL);
3006 
3007 	ether_ifattach(ifp, enaddr);
3008 
3009 	kcpuset_create(&affinity, false);
3010 	kcpuset_set(affinity, 0);
3011 
3012 	for (i = 0; i < sc->sc_nqueues; i++) {
3013 		struct mcx_queues *q = &sc->sc_queues[i];
3014 		struct mcx_rx *rx = &q->q_rx;
3015 		struct mcx_tx *tx = &q->q_tx;
3016 		int vec;
3017 
3018 		vec = i + 1;
3019 		q->q_sc = sc;
3020 		q->q_index = i;
3021 
3022 		if (mcx_alloc_uar(sc, &q->q_uar) != 0) {
3023 			aprint_error_dev(self, "unable to alloc uar %d\n", i);
3024 			goto teardown;
3025 		}
3026 
3027 		if (mcx_create_eq(sc, &q->q_eq, q->q_uar, 0, vec) != 0) {
3028 			aprint_error_dev(self,
3029 			    "unable to create event queue %d\n", i);
3030 			goto teardown;
3031 		}
3032 
3033 		rx->rx_softc = sc;
3034 		callout_init(&rx->rx_refill, CALLOUT_FLAGS);
3035 		callout_setfunc(&rx->rx_refill, mcx_refill, rx);
3036 
3037 		tx->tx_softc = sc;
3038 		mutex_init(&tx->tx_lock, MUTEX_DEFAULT, IPL_NET);
3039 		tx->tx_pcq = pcq_create(MCX_TXQ_NUM, KM_SLEEP);
3040 		tx->tx_softint = softint_establish(SOFTINT_NET|SOFTINT_MPSAFE,
3041 		    mcx_deferred_transmit, tx);
3042 
3043 		snprintf(intrxname, sizeof(intrxname), "%s queue %d",
3044 		    DEVNAME(sc), i);
3045 		q->q_ihc = mcx_establish_intr(sc, vec, affinity, mcx_cq_intr,
3046 		    q, intrxname);
3047 	}
3048 
3049 	callout_init(&sc->sc_calibrate, CALLOUT_FLAGS);
3050 	callout_setfunc(&sc->sc_calibrate, mcx_calibrate, sc);
3051 
3052 	if (workqueue_create(&sc->sc_workq, "mcxportchg", mcx_port_change, sc,
3053 	    PRI_NONE, IPL_NET, 0) != 0) {
3054 		aprint_error_dev(self, "couldn't create port change workq\n");
3055 		goto teardown;
3056 	}
3057 
3058 	mcx_port_change(&sc->sc_port_change, sc);
3059 
3060 	sc->sc_mac_flow_table_id = -1;
3061 	sc->sc_rss_flow_table_id = -1;
3062 	sc->sc_rqt = -1;
3063 	for (i = 0; i < MCX_NUM_FLOW_GROUPS; i++) {
3064 		struct mcx_flow_group *mfg = &sc->sc_flow_group[i];
3065 		mfg->g_id = -1;
3066 		mfg->g_table = -1;
3067 		mfg->g_size = 0;
3068 		mfg->g_start = 0;
3069 	}
3070 	sc->sc_extra_mcast = 0;
3071 	memset(sc->sc_mcast_flows, 0, sizeof(sc->sc_mcast_flows));
3072 
3073 #if NKSTAT > 0
3074 	mcx_kstat_attach(sc);
3075 #endif
3076 	mcx_timecounter_attach(sc);
3077 	return;
3078 
3079 teardown:
3080 	mcx_teardown_hca(sc, htobe16(MCX_CMD_TEARDOWN_HCA_GRACEFUL));
3081 	/* error printed by mcx_teardown_hca, and we're already unwinding */
3082 cqfree:
3083 	mcx_wr(sc, MCX_CMDQ_ADDR_HI, MCX_DMA_DVA(&sc->sc_cmdq_mem) >> 32);
3084 	mcx_bar(sc, MCX_CMDQ_ADDR_HI, sizeof(uint64_t),
3085 	    BUS_SPACE_BARRIER_WRITE);
3086 	mcx_wr(sc, MCX_CMDQ_ADDR_LO, MCX_DMA_DVA(&sc->sc_cmdq_mem) |
3087 	    MCX_CMDQ_INTERFACE_DISABLED);
3088 	mcx_bar(sc, MCX_CMDQ_ADDR_LO, sizeof(uint64_t),
3089 	    BUS_SPACE_BARRIER_WRITE);
3090 
3091 	mcx_wr(sc, MCX_CMDQ_ADDR_HI, 0);
3092 	mcx_bar(sc, MCX_CMDQ_ADDR_HI, sizeof(uint64_t),
3093 	    BUS_SPACE_BARRIER_WRITE);
3094 	mcx_wr(sc, MCX_CMDQ_ADDR_LO, MCX_CMDQ_INTERFACE_DISABLED);
3095 
3096 	mcx_dmamem_free(sc, &sc->sc_cmdq_mem);
3097 dbfree:
3098 	mcx_dmamem_free(sc, &sc->sc_doorbell_mem);
3099 unmap:
3100 	bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_mems);
3101 	sc->sc_mems = 0;
3102 }
3103 
3104 static void *
3105 mcx_establish_intr(struct mcx_softc *sc, int index, kcpuset_t *affinity,
3106     int (*func)(void *), void *arg, const char *xname)
3107 {
3108 	char intrbuf[PCI_INTRSTR_LEN];
3109 	const char *intrstr;
3110 	void *ih;
3111 
3112 	pci_intr_setattr(sc->sc_pc, &sc->sc_intrs[index], PCI_INTR_MPSAFE,
3113 	    true);
3114 
3115 	intrstr = pci_intr_string(sc->sc_pc, sc->sc_intrs[index], intrbuf,
3116 	    sizeof(intrbuf));
3117 	ih = pci_intr_establish_xname(sc->sc_pc, sc->sc_intrs[index], IPL_NET,
3118 	    func, arg, xname);
3119 	if (ih == NULL) {
3120 		aprint_error_dev(sc->sc_dev,
3121 		    "unable to establish interrupt%s%s\n",
3122 		    intrstr ? " at " : "",
3123 		    intrstr ? intrstr : "");
3124 		return NULL;
3125 	}
3126 
3127 	if (affinity != NULL && index > 0) {
3128 		/* Round-robin affinity */
3129 		kcpuset_zero(affinity);
3130 		kcpuset_set(affinity, (index - 1) % ncpu);
3131 		interrupt_distribute(ih, affinity, NULL);
3132 	}
3133 
3134 	return ih;
3135 }
3136 
3137 static void
3138 mcx_rxr_init(struct mcx_rxring *rxr, u_int lwm __unused, u_int hwm)
3139 {
3140 	rxr->rxr_total = hwm;
3141 	rxr->rxr_inuse = 0;
3142 }
3143 
3144 static u_int
3145 mcx_rxr_get(struct mcx_rxring *rxr, u_int max)
3146 {
3147 	const u_int taken = MIN(max, rxr->rxr_total - rxr->rxr_inuse);
3148 
3149 	rxr->rxr_inuse += taken;
3150 
3151 	return taken;
3152 }
3153 
3154 static void
3155 mcx_rxr_put(struct mcx_rxring *rxr, u_int n)
3156 {
3157 	rxr->rxr_inuse -= n;
3158 }
3159 
3160 static u_int
3161 mcx_rxr_inuse(struct mcx_rxring *rxr)
3162 {
3163 	return rxr->rxr_inuse;
3164 }
3165 
3166 static int
3167 mcx_version(struct mcx_softc *sc)
3168 {
3169 	uint32_t fw0, fw1;
3170 	uint16_t cmdif;
3171 
3172 	fw0 = mcx_rd(sc, MCX_FW_VER);
3173 	fw1 = mcx_rd(sc, MCX_CMDIF_FW_SUBVER);
3174 
3175 	aprint_normal_dev(sc->sc_dev, "FW %u.%u.%04u\n", MCX_FW_VER_MAJOR(fw0),
3176 	    MCX_FW_VER_MINOR(fw0), MCX_FW_VER_SUBMINOR(fw1));
3177 
3178 	cmdif = MCX_CMDIF(fw1);
3179 	if (cmdif != MCX_CMD_IF_SUPPORTED) {
3180 		aprint_error_dev(sc->sc_dev,
3181 		    "unsupported command interface %u\n", cmdif);
3182 		return (-1);
3183 	}
3184 
3185 	return (0);
3186 }
3187 
3188 static int
3189 mcx_init_wait(struct mcx_softc *sc)
3190 {
3191 	unsigned int i;
3192 	uint32_t r;
3193 
3194 	for (i = 0; i < 2000; i++) {
3195 		r = mcx_rd(sc, MCX_STATE);
3196 		if ((r & MCX_STATE_MASK) == MCX_STATE_READY)
3197 			return (0);
3198 
3199 		delay(1000);
3200 		mcx_bar(sc, MCX_STATE, sizeof(uint32_t),
3201 		    BUS_SPACE_BARRIER_READ);
3202 	}
3203 
3204 	return (-1);
3205 }
3206 
3207 static uint8_t
3208 mcx_cmdq_poll(struct mcx_softc *sc, struct mcx_cmdq_entry *cqe,
3209     unsigned int msec)
3210 {
3211 	unsigned int i;
3212 
3213 	for (i = 0; i < msec; i++) {
3214 		bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&sc->sc_cmdq_mem),
3215 		    0, MCX_DMA_LEN(&sc->sc_cmdq_mem), BUS_DMASYNC_POSTRW);
3216 
3217 		if ((cqe->cq_status & MCX_CQ_STATUS_OWN_MASK) ==
3218 		    MCX_CQ_STATUS_OWN_SW)
3219 			return (0);
3220 
3221 		delay(1000);
3222 	}
3223 
3224 	return (ETIMEDOUT);
3225 }
3226 
3227 static uint32_t
3228 mcx_mix_u64(uint32_t xor, uint64_t u64)
3229 {
3230 	xor ^= u64 >> 32;
3231 	xor ^= u64;
3232 
3233 	return (xor);
3234 }
3235 
3236 static uint32_t
3237 mcx_mix_u32(uint32_t xor, uint32_t u32)
3238 {
3239 	xor ^= u32;
3240 
3241 	return (xor);
3242 }
3243 
3244 static uint32_t
3245 mcx_mix_u8(uint32_t xor, uint8_t u8)
3246 {
3247 	xor ^= u8;
3248 
3249 	return (xor);
3250 }
3251 
3252 static uint8_t
3253 mcx_mix_done(uint32_t xor)
3254 {
3255 	xor ^= xor >> 16;
3256 	xor ^= xor >> 8;
3257 
3258 	return (xor);
3259 }
3260 
3261 static uint8_t
3262 mcx_xor(const void *buf, size_t len)
3263 {
3264 	const uint32_t *dwords = buf;
3265 	uint32_t xor = 0xff;
3266 	size_t i;
3267 
3268 	len /= sizeof(*dwords);
3269 
3270 	for (i = 0; i < len; i++)
3271 		xor ^= dwords[i];
3272 
3273 	return (mcx_mix_done(xor));
3274 }
3275 
3276 static uint8_t
3277 mcx_cmdq_token(struct mcx_softc *sc)
3278 {
3279 	uint8_t token;
3280 
3281 	do {
3282 		token = ++sc->sc_cmdq_token;
3283 	} while (token == 0);
3284 
3285 	return (token);
3286 }
3287 
3288 static void
3289 mcx_cmdq_init(struct mcx_softc *sc, struct mcx_cmdq_entry *cqe,
3290     uint32_t ilen, uint32_t olen, uint8_t token)
3291 {
3292 	memset(cqe, 0, sc->sc_cmdq_size);
3293 
3294 	cqe->cq_type = MCX_CMDQ_TYPE_PCIE;
3295 	be32enc(&cqe->cq_input_length, ilen);
3296 	be32enc(&cqe->cq_output_length, olen);
3297 	cqe->cq_token = token;
3298 	cqe->cq_status = MCX_CQ_STATUS_OWN_HW;
3299 }
3300 
3301 static void
3302 mcx_cmdq_sign(struct mcx_cmdq_entry *cqe)
3303 {
3304 	cqe->cq_signature = ~mcx_xor(cqe, sizeof(*cqe));
3305 }
3306 
3307 static int
3308 mcx_cmdq_verify(const struct mcx_cmdq_entry *cqe)
3309 {
3310 	/* return (mcx_xor(cqe, sizeof(*cqe)) ? -1 :  0); */
3311 	return (0);
3312 }
3313 
3314 static void *
3315 mcx_cmdq_in(struct mcx_cmdq_entry *cqe)
3316 {
3317 	return (&cqe->cq_input_data);
3318 }
3319 
3320 static void *
3321 mcx_cmdq_out(struct mcx_cmdq_entry *cqe)
3322 {
3323 	return (&cqe->cq_output_data);
3324 }
3325 
3326 static void
3327 mcx_cmdq_post(struct mcx_softc *sc, struct mcx_cmdq_entry *cqe,
3328     unsigned int slot)
3329 {
3330 	mcx_cmdq_sign(cqe);
3331 
3332 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&sc->sc_cmdq_mem),
3333 	    0, MCX_DMA_LEN(&sc->sc_cmdq_mem), BUS_DMASYNC_PRERW);
3334 
3335 	mcx_wr(sc, MCX_CMDQ_DOORBELL, 1U << slot);
3336 	mcx_bar(sc, MCX_CMDQ_DOORBELL, sizeof(uint32_t),
3337 	    BUS_SPACE_BARRIER_WRITE);
3338 }
3339 
3340 static int
3341 mcx_enable_hca(struct mcx_softc *sc)
3342 {
3343 	struct mcx_cmdq_entry *cqe;
3344 	struct mcx_cmd_enable_hca_in *in;
3345 	struct mcx_cmd_enable_hca_out *out;
3346 	int error;
3347 	uint8_t status;
3348 
3349 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
3350 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), mcx_cmdq_token(sc));
3351 
3352 	in = mcx_cmdq_in(cqe);
3353 	in->cmd_opcode = htobe16(MCX_CMD_ENABLE_HCA);
3354 	in->cmd_op_mod = htobe16(0);
3355 	in->cmd_function_id = htobe16(0);
3356 
3357 	mcx_cmdq_post(sc, cqe, 0);
3358 
3359 	error = mcx_cmdq_poll(sc, cqe, 1000);
3360 	if (error != 0) {
3361 		printf(", hca enable timeout\n");
3362 		return (-1);
3363 	}
3364 	if (mcx_cmdq_verify(cqe) != 0) {
3365 		printf(", hca enable command corrupt\n");
3366 		return (-1);
3367 	}
3368 
3369 	status = cqe->cq_output_data[0];
3370 	if (status != MCX_CQ_STATUS_OK) {
3371 		printf(", hca enable failed (%x)\n", status);
3372 		return (-1);
3373 	}
3374 
3375 	return (0);
3376 }
3377 
3378 static int
3379 mcx_teardown_hca(struct mcx_softc *sc, uint16_t profile)
3380 {
3381 	struct mcx_cmdq_entry *cqe;
3382 	struct mcx_cmd_teardown_hca_in *in;
3383 	struct mcx_cmd_teardown_hca_out *out;
3384 	int error;
3385 	uint8_t status;
3386 
3387 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
3388 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), mcx_cmdq_token(sc));
3389 
3390 	in = mcx_cmdq_in(cqe);
3391 	in->cmd_opcode = htobe16(MCX_CMD_TEARDOWN_HCA);
3392 	in->cmd_op_mod = htobe16(0);
3393 	in->cmd_profile = profile;
3394 
3395 	mcx_cmdq_post(sc, cqe, 0);
3396 
3397 	error = mcx_cmdq_poll(sc, cqe, 1000);
3398 	if (error != 0) {
3399 		printf(", hca teardown timeout\n");
3400 		return (-1);
3401 	}
3402 	if (mcx_cmdq_verify(cqe) != 0) {
3403 		printf(", hca teardown command corrupt\n");
3404 		return (-1);
3405 	}
3406 
3407 	status = cqe->cq_output_data[0];
3408 	if (status != MCX_CQ_STATUS_OK) {
3409 		printf(", hca teardown failed (%x)\n", status);
3410 		return (-1);
3411 	}
3412 
3413 	return (0);
3414 }
3415 
3416 static int
3417 mcx_cmdq_mboxes_alloc(struct mcx_softc *sc, struct mcx_dmamem *mxm,
3418     unsigned int nmb, uint64_t *ptr, uint8_t token)
3419 {
3420 	uint8_t *kva;
3421 	uint64_t dva;
3422 	int i;
3423 	int error;
3424 
3425 	error = mcx_dmamem_alloc(sc, mxm,
3426 	    nmb * MCX_CMDQ_MAILBOX_SIZE, MCX_CMDQ_MAILBOX_ALIGN);
3427 	if (error != 0)
3428 		return (error);
3429 
3430 	mcx_dmamem_zero(mxm);
3431 
3432 	dva = MCX_DMA_DVA(mxm);
3433 	kva = MCX_DMA_KVA(mxm);
3434 	for (i = 0; i < nmb; i++) {
3435 		struct mcx_cmdq_mailbox *mbox = (struct mcx_cmdq_mailbox *)kva;
3436 
3437 		/* patch the cqe or mbox pointing at this one */
3438 		be64enc(ptr, dva);
3439 
3440 		/* fill in this mbox */
3441 		be32enc(&mbox->mb_block_number, i);
3442 		mbox->mb_token = token;
3443 
3444 		/* move to the next one */
3445 		ptr = &mbox->mb_next_ptr;
3446 
3447 		dva += MCX_CMDQ_MAILBOX_SIZE;
3448 		kva += MCX_CMDQ_MAILBOX_SIZE;
3449 	}
3450 
3451 	return (0);
3452 }
3453 
3454 static uint32_t
3455 mcx_cmdq_mbox_ctrl_sig(const struct mcx_cmdq_mailbox *mb)
3456 {
3457 	uint32_t xor = 0xff;
3458 
3459 	/* only 3 fields get set, so mix them directly */
3460 	xor = mcx_mix_u64(xor, mb->mb_next_ptr);
3461 	xor = mcx_mix_u32(xor, mb->mb_block_number);
3462 	xor = mcx_mix_u8(xor, mb->mb_token);
3463 
3464 	return (mcx_mix_done(xor));
3465 }
3466 
3467 static void
3468 mcx_cmdq_mboxes_sign(struct mcx_dmamem *mxm, unsigned int nmb)
3469 {
3470 	uint8_t *kva;
3471 	int i;
3472 
3473 	kva = MCX_DMA_KVA(mxm);
3474 
3475 	for (i = 0; i < nmb; i++) {
3476 		struct mcx_cmdq_mailbox *mb = (struct mcx_cmdq_mailbox *)kva;
3477 		uint8_t sig = mcx_cmdq_mbox_ctrl_sig(mb);
3478 		mb->mb_ctrl_signature = sig;
3479 		mb->mb_signature = sig ^
3480 		    mcx_xor(mb->mb_data, sizeof(mb->mb_data));
3481 
3482 		kva += MCX_CMDQ_MAILBOX_SIZE;
3483 	}
3484 }
3485 
3486 static void
3487 mcx_cmdq_mboxes_sync(struct mcx_softc *sc, struct mcx_dmamem *mxm, int ops)
3488 {
3489 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(mxm),
3490 	    0, MCX_DMA_LEN(mxm), ops);
3491 }
3492 
3493 static struct mcx_cmdq_mailbox *
3494 mcx_cq_mbox(struct mcx_dmamem *mxm, unsigned int i)
3495 {
3496 	uint8_t *kva;
3497 
3498 	kva = MCX_DMA_KVA(mxm);
3499 	kva += i * MCX_CMDQ_MAILBOX_SIZE;
3500 
3501 	return ((struct mcx_cmdq_mailbox *)kva);
3502 }
3503 
3504 static inline void *
3505 mcx_cq_mbox_data(struct mcx_cmdq_mailbox *mb)
3506 {
3507 	return (&mb->mb_data);
3508 }
3509 
3510 static void
3511 mcx_cmdq_mboxes_copyin(struct mcx_dmamem *mxm, unsigned int nmb,
3512     void *b, size_t len)
3513 {
3514 	uint8_t *buf = b;
3515 	struct mcx_cmdq_mailbox *mb;
3516 	int i;
3517 
3518 	mb = (struct mcx_cmdq_mailbox *)MCX_DMA_KVA(mxm);
3519 	for (i = 0; i < nmb; i++) {
3520 
3521 		memcpy(mb->mb_data, buf, uimin(sizeof(mb->mb_data), len));
3522 
3523 		if (sizeof(mb->mb_data) >= len)
3524 			break;
3525 
3526 		buf += sizeof(mb->mb_data);
3527 		len -= sizeof(mb->mb_data);
3528 		mb++;
3529 	}
3530 }
3531 
3532 static void
3533 mcx_cmdq_mboxes_pas(struct mcx_dmamem *mxm, int offset, int npages,
3534     struct mcx_dmamem *buf)
3535 {
3536 	uint64_t *pas;
3537 	int mbox, mbox_pages, i;
3538 
3539 	mbox = offset / MCX_CMDQ_MAILBOX_DATASIZE;
3540 	offset %= MCX_CMDQ_MAILBOX_DATASIZE;
3541 
3542 	pas = mcx_cq_mbox_data(mcx_cq_mbox(mxm, mbox));
3543 	pas += (offset / sizeof(*pas));
3544 	mbox_pages = (MCX_CMDQ_MAILBOX_DATASIZE - offset) / sizeof(*pas);
3545 	for (i = 0; i < npages; i++) {
3546 		if (i == mbox_pages) {
3547 			mbox++;
3548 			pas = mcx_cq_mbox_data(mcx_cq_mbox(mxm, mbox));
3549 			mbox_pages += MCX_CMDQ_MAILBOX_DATASIZE / sizeof(*pas);
3550 		}
3551 		*pas = htobe64(MCX_DMA_DVA(buf) + (i * MCX_PAGE_SIZE));
3552 		pas++;
3553 	}
3554 }
3555 
3556 static void
3557 mcx_cmdq_mboxes_copyout(struct mcx_dmamem *mxm, int nmb, void *b, size_t len)
3558 {
3559 	uint8_t *buf = b;
3560 	struct mcx_cmdq_mailbox *mb;
3561 	int i;
3562 
3563 	mb = (struct mcx_cmdq_mailbox *)MCX_DMA_KVA(mxm);
3564 	for (i = 0; i < nmb; i++) {
3565 		memcpy(buf, mb->mb_data, uimin(sizeof(mb->mb_data), len));
3566 
3567 		if (sizeof(mb->mb_data) >= len)
3568 			break;
3569 
3570 		buf += sizeof(mb->mb_data);
3571 		len -= sizeof(mb->mb_data);
3572 		mb++;
3573 	}
3574 }
3575 
3576 static void
3577 mcx_cq_mboxes_free(struct mcx_softc *sc, struct mcx_dmamem *mxm)
3578 {
3579 	mcx_dmamem_free(sc, mxm);
3580 }
3581 
3582 #if 0
3583 static void
3584 mcx_cmdq_dump(const struct mcx_cmdq_entry *cqe)
3585 {
3586 	unsigned int i;
3587 
3588 	printf(" type %02x, ilen %u, iptr %016llx", cqe->cq_type,
3589 	    be32dec(&cqe->cq_input_length), be64dec(&cqe->cq_input_ptr));
3590 
3591 	printf(", idata ");
3592 	for (i = 0; i < sizeof(cqe->cq_input_data); i++)
3593 		printf("%02x", cqe->cq_input_data[i]);
3594 
3595 	printf(", odata ");
3596 	for (i = 0; i < sizeof(cqe->cq_output_data); i++)
3597 		printf("%02x", cqe->cq_output_data[i]);
3598 
3599 	printf(", optr %016llx, olen %u, token %02x, sig %02x, status %02x",
3600 	    be64dec(&cqe->cq_output_ptr), be32dec(&cqe->cq_output_length),
3601 	    cqe->cq_token, cqe->cq_signature, cqe->cq_status);
3602 }
3603 
3604 static void
3605 mcx_cmdq_mbox_dump(struct mcx_dmamem *mboxes, int num)
3606 {
3607 	int i, j;
3608 	uint8_t *d;
3609 
3610 	for (i = 0; i < num; i++) {
3611 		struct mcx_cmdq_mailbox *mbox;
3612 		mbox = mcx_cq_mbox(mboxes, i);
3613 
3614 		d = mcx_cq_mbox_data(mbox);
3615 		for (j = 0; j < MCX_CMDQ_MAILBOX_DATASIZE; j++) {
3616 			if (j != 0 && (j % 16 == 0))
3617 				printf("\n");
3618 			printf("%.2x ", d[j]);
3619 		}
3620 	}
3621 }
3622 #endif
3623 
3624 static int
3625 mcx_access_hca_reg(struct mcx_softc *sc, uint16_t reg, int op, void *data,
3626     int len)
3627 {
3628 	struct mcx_dmamem mxm;
3629 	struct mcx_cmdq_entry *cqe;
3630 	struct mcx_cmd_access_reg_in *in;
3631 	struct mcx_cmd_access_reg_out *out;
3632 	uint8_t token = mcx_cmdq_token(sc);
3633 	int error, nmb;
3634 
3635 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
3636 	mcx_cmdq_init(sc, cqe, sizeof(*in) + len, sizeof(*out) + len,
3637 	    token);
3638 
3639 	in = mcx_cmdq_in(cqe);
3640 	in->cmd_opcode = htobe16(MCX_CMD_ACCESS_REG);
3641 	in->cmd_op_mod = htobe16(op);
3642 	in->cmd_register_id = htobe16(reg);
3643 
3644 	nmb = howmany(len, MCX_CMDQ_MAILBOX_DATASIZE);
3645 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, nmb,
3646 	    &cqe->cq_output_ptr, token) != 0) {
3647 		printf(", unable to allocate access reg mailboxen\n");
3648 		return (-1);
3649 	}
3650 	cqe->cq_input_ptr = cqe->cq_output_ptr;
3651 	mcx_cmdq_mboxes_copyin(&mxm, nmb, data, len);
3652 	mcx_cmdq_mboxes_sign(&mxm, nmb);
3653 	mcx_cmdq_mboxes_sync(sc, &mxm, BUS_DMASYNC_PRERW);
3654 
3655 	mcx_cmdq_post(sc, cqe, 0);
3656 	error = mcx_cmdq_poll(sc, cqe, 1000);
3657 	mcx_cmdq_mboxes_sync(sc, &mxm, BUS_DMASYNC_POSTRW);
3658 
3659 	if (error != 0) {
3660 		printf("%s: access reg (%s %x) timeout\n", DEVNAME(sc),
3661 		    (op == MCX_REG_OP_WRITE ? "write" : "read"), reg);
3662 		goto free;
3663 	}
3664 	error = mcx_cmdq_verify(cqe);
3665 	if (error != 0) {
3666 		printf("%s: access reg (%s %x) reply corrupt\n",
3667 		    (op == MCX_REG_OP_WRITE ? "write" : "read"), DEVNAME(sc),
3668 		    reg);
3669 		goto free;
3670 	}
3671 
3672 	out = mcx_cmdq_out(cqe);
3673 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
3674 		printf("%s: access reg (%s %x) failed (%x, %.6x)\n",
3675 		    DEVNAME(sc), (op == MCX_REG_OP_WRITE ? "write" : "read"),
3676 		    reg, out->cmd_status, be32toh(out->cmd_syndrome));
3677 		error = -1;
3678 		goto free;
3679 	}
3680 
3681 	mcx_cmdq_mboxes_copyout(&mxm, nmb, data, len);
3682 free:
3683 	mcx_dmamem_free(sc, &mxm);
3684 
3685 	return (error);
3686 }
3687 
3688 static int
3689 mcx_set_issi(struct mcx_softc *sc, struct mcx_cmdq_entry *cqe,
3690     unsigned int slot)
3691 {
3692 	struct mcx_cmd_set_issi_in *in;
3693 	struct mcx_cmd_set_issi_out *out;
3694 	uint8_t status;
3695 
3696 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), mcx_cmdq_token(sc));
3697 
3698 	in = mcx_cmdq_in(cqe);
3699 	in->cmd_opcode = htobe16(MCX_CMD_SET_ISSI);
3700 	in->cmd_op_mod = htobe16(0);
3701 	in->cmd_current_issi = htobe16(MCX_ISSI);
3702 
3703 	mcx_cmdq_post(sc, cqe, slot);
3704 	if (mcx_cmdq_poll(sc, cqe, 1000) != 0)
3705 		return (-1);
3706 	if (mcx_cmdq_verify(cqe) != 0)
3707 		return (-1);
3708 
3709 	status = cqe->cq_output_data[0];
3710 	if (status != MCX_CQ_STATUS_OK)
3711 		return (-1);
3712 
3713 	return (0);
3714 }
3715 
3716 static int
3717 mcx_issi(struct mcx_softc *sc)
3718 {
3719 	struct mcx_dmamem mxm;
3720 	struct mcx_cmdq_entry *cqe;
3721 	struct mcx_cmd_query_issi_in *in;
3722 	struct mcx_cmd_query_issi_il_out *out;
3723 	struct mcx_cmd_query_issi_mb_out *mb;
3724 	uint8_t token = mcx_cmdq_token(sc);
3725 	uint8_t status;
3726 	int error;
3727 
3728 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
3729 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out) + sizeof(*mb), token);
3730 
3731 	in = mcx_cmdq_in(cqe);
3732 	in->cmd_opcode = htobe16(MCX_CMD_QUERY_ISSI);
3733 	in->cmd_op_mod = htobe16(0);
3734 
3735 	CTASSERT(sizeof(*mb) <= MCX_CMDQ_MAILBOX_DATASIZE);
3736 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1,
3737 	    &cqe->cq_output_ptr, token) != 0) {
3738 		printf(", unable to allocate query issi mailbox\n");
3739 		return (-1);
3740 	}
3741 	mcx_cmdq_mboxes_sign(&mxm, 1);
3742 
3743 	mcx_cmdq_post(sc, cqe, 0);
3744 	error = mcx_cmdq_poll(sc, cqe, 1000);
3745 	if (error != 0) {
3746 		printf(", query issi timeout\n");
3747 		goto free;
3748 	}
3749 	error = mcx_cmdq_verify(cqe);
3750 	if (error != 0) {
3751 		printf(", query issi reply corrupt\n");
3752 		goto free;
3753 	}
3754 
3755 	status = cqe->cq_output_data[0];
3756 	switch (status) {
3757 	case MCX_CQ_STATUS_OK:
3758 		break;
3759 	case MCX_CQ_STATUS_BAD_OPCODE:
3760 		/* use ISSI 0 */
3761 		goto free;
3762 	default:
3763 		printf(", query issi failed (%x)\n", status);
3764 		error = -1;
3765 		goto free;
3766 	}
3767 
3768 	out = mcx_cmdq_out(cqe);
3769 	if (out->cmd_current_issi == htobe16(MCX_ISSI)) {
3770 		/* use ISSI 1 */
3771 		goto free;
3772 	}
3773 
3774 	/* don't need to read cqe anymore, can be used for SET ISSI */
3775 
3776 	mb = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
3777 	CTASSERT(MCX_ISSI < NBBY);
3778 	 /* XXX math is hard */
3779 	if (!ISSET(mb->cmd_supported_issi[79], 1 << MCX_ISSI)) {
3780 		/* use ISSI 0 */
3781 		goto free;
3782 	}
3783 
3784 	if (mcx_set_issi(sc, cqe, 0) != 0) {
3785 		/* ignore the error, just use ISSI 0 */
3786 	} else {
3787 		/* use ISSI 1 */
3788 	}
3789 
3790 free:
3791 	mcx_cq_mboxes_free(sc, &mxm);
3792 	return (error);
3793 }
3794 
3795 static int
3796 mcx_query_pages(struct mcx_softc *sc, uint16_t type,
3797     int32_t *npages, uint16_t *func_id)
3798 {
3799 	struct mcx_cmdq_entry *cqe;
3800 	struct mcx_cmd_query_pages_in *in;
3801 	struct mcx_cmd_query_pages_out *out;
3802 
3803 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
3804 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), mcx_cmdq_token(sc));
3805 
3806 	in = mcx_cmdq_in(cqe);
3807 	in->cmd_opcode = htobe16(MCX_CMD_QUERY_PAGES);
3808 	in->cmd_op_mod = type;
3809 
3810 	mcx_cmdq_post(sc, cqe, 0);
3811 	if (mcx_cmdq_poll(sc, cqe, 1000) != 0) {
3812 		printf(", query pages timeout\n");
3813 		return (-1);
3814 	}
3815 	if (mcx_cmdq_verify(cqe) != 0) {
3816 		printf(", query pages reply corrupt\n");
3817 		return (-1);
3818 	}
3819 
3820 	out = mcx_cmdq_out(cqe);
3821 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
3822 		printf(", query pages failed (%x)\n", out->cmd_status);
3823 		return (-1);
3824 	}
3825 
3826 	*func_id = out->cmd_func_id;
3827 	*npages = be32dec(&out->cmd_num_pages);
3828 
3829 	return (0);
3830 }
3831 
3832 struct bus_dma_iter {
3833 	bus_dmamap_t		i_map;
3834 	bus_size_t		i_offset;
3835 	unsigned int		i_index;
3836 };
3837 
3838 static void
3839 bus_dma_iter_init(struct bus_dma_iter *i, bus_dmamap_t map)
3840 {
3841 	i->i_map = map;
3842 	i->i_offset = 0;
3843 	i->i_index = 0;
3844 }
3845 
3846 static bus_addr_t
3847 bus_dma_iter_addr(struct bus_dma_iter *i)
3848 {
3849 	return (i->i_map->dm_segs[i->i_index].ds_addr + i->i_offset);
3850 }
3851 
3852 static void
3853 bus_dma_iter_add(struct bus_dma_iter *i, bus_size_t size)
3854 {
3855 	bus_dma_segment_t *seg = i->i_map->dm_segs + i->i_index;
3856 	bus_size_t diff;
3857 
3858 	do {
3859 		diff = seg->ds_len - i->i_offset;
3860 		if (size < diff)
3861 			break;
3862 
3863 		size -= diff;
3864 
3865 		seg++;
3866 
3867 		i->i_offset = 0;
3868 		i->i_index++;
3869 	} while (size > 0);
3870 
3871 	i->i_offset += size;
3872 }
3873 
3874 static int
3875 mcx_add_pages(struct mcx_softc *sc, struct mcx_hwmem *mhm, uint16_t func_id)
3876 {
3877 	struct mcx_dmamem mxm;
3878 	struct mcx_cmdq_entry *cqe;
3879 	struct mcx_cmd_manage_pages_in *in;
3880 	struct mcx_cmd_manage_pages_out *out;
3881 	unsigned int paslen, nmb, i, j, npages;
3882 	struct bus_dma_iter iter;
3883 	uint64_t *pas;
3884 	uint8_t status;
3885 	uint8_t token = mcx_cmdq_token(sc);
3886 	int error;
3887 
3888 	npages = mhm->mhm_npages;
3889 
3890 	paslen = sizeof(*pas) * npages;
3891 	nmb = howmany(paslen, MCX_CMDQ_MAILBOX_DATASIZE);
3892 
3893 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
3894 	mcx_cmdq_init(sc, cqe, sizeof(*in) + paslen, sizeof(*out), token);
3895 
3896 	in = mcx_cmdq_in(cqe);
3897 	in->cmd_opcode = htobe16(MCX_CMD_MANAGE_PAGES);
3898 	in->cmd_op_mod = htobe16(MCX_CMD_MANAGE_PAGES_ALLOC_SUCCESS);
3899 	in->cmd_func_id = func_id;
3900 	be32enc(&in->cmd_input_num_entries, npages);
3901 
3902 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, nmb,
3903 	    &cqe->cq_input_ptr, token) != 0) {
3904 		printf(", unable to allocate manage pages mailboxen\n");
3905 		return (-1);
3906 	}
3907 
3908 	bus_dma_iter_init(&iter, mhm->mhm_map);
3909 	for (i = 0; i < nmb; i++) {
3910 		unsigned int lim;
3911 
3912 		pas = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, i));
3913 		lim = uimin(MCX_CMDQ_MAILBOX_DATASIZE / sizeof(*pas), npages);
3914 
3915 		for (j = 0; j < lim; j++) {
3916 			be64enc(&pas[j], bus_dma_iter_addr(&iter));
3917 			bus_dma_iter_add(&iter, MCX_PAGE_SIZE);
3918 		}
3919 
3920 		npages -= lim;
3921 	}
3922 
3923 	mcx_cmdq_mboxes_sign(&mxm, nmb);
3924 
3925 	mcx_cmdq_post(sc, cqe, 0);
3926 	error = mcx_cmdq_poll(sc, cqe, 1000);
3927 	if (error != 0) {
3928 		printf(", manage pages timeout\n");
3929 		goto free;
3930 	}
3931 	error = mcx_cmdq_verify(cqe);
3932 	if (error != 0) {
3933 		printf(", manage pages reply corrupt\n");
3934 		goto free;
3935 	}
3936 
3937 	status = cqe->cq_output_data[0];
3938 	if (status != MCX_CQ_STATUS_OK) {
3939 		printf(", manage pages failed (%x)\n", status);
3940 		error = -1;
3941 		goto free;
3942 	}
3943 
3944 free:
3945 	mcx_dmamem_free(sc, &mxm);
3946 
3947 	return (error);
3948 }
3949 
3950 static int
3951 mcx_pages(struct mcx_softc *sc, struct mcx_hwmem *mhm, uint16_t type)
3952 {
3953 	int32_t npages;
3954 	uint16_t func_id;
3955 
3956 	if (mcx_query_pages(sc, type, &npages, &func_id) != 0) {
3957 		/* error printed by mcx_query_pages */
3958 		return (-1);
3959 	}
3960 
3961 	if (npages < 1)
3962 		return (0);
3963 
3964 	if (mcx_hwmem_alloc(sc, mhm, npages) != 0) {
3965 		printf(", unable to allocate hwmem\n");
3966 		return (-1);
3967 	}
3968 
3969 	if (mcx_add_pages(sc, mhm, func_id) != 0) {
3970 		printf(", unable to add hwmem\n");
3971 		goto free;
3972 	}
3973 
3974 	return (0);
3975 
3976 free:
3977 	mcx_hwmem_free(sc, mhm);
3978 
3979 	return (-1);
3980 }
3981 
3982 static int
3983 mcx_hca_max_caps(struct mcx_softc *sc)
3984 {
3985 	struct mcx_dmamem mxm;
3986 	struct mcx_cmdq_entry *cqe;
3987 	struct mcx_cmd_query_hca_cap_in *in;
3988 	struct mcx_cmd_query_hca_cap_out *out;
3989 	struct mcx_cmdq_mailbox *mb;
3990 	struct mcx_cap_device *hca;
3991 	uint8_t status;
3992 	uint8_t token = mcx_cmdq_token(sc);
3993 	int error;
3994 
3995 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
3996 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out) + MCX_HCA_CAP_LEN,
3997 	    token);
3998 
3999 	in = mcx_cmdq_in(cqe);
4000 	in->cmd_opcode = htobe16(MCX_CMD_QUERY_HCA_CAP);
4001 	in->cmd_op_mod = htobe16(MCX_CMD_QUERY_HCA_CAP_MAX |
4002 	    MCX_CMD_QUERY_HCA_CAP_DEVICE);
4003 
4004 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, MCX_HCA_CAP_NMAILBOXES,
4005 	    &cqe->cq_output_ptr, token) != 0) {
4006 		printf(", unable to allocate query hca caps mailboxen\n");
4007 		return (-1);
4008 	}
4009 	mcx_cmdq_mboxes_sign(&mxm, MCX_HCA_CAP_NMAILBOXES);
4010 	mcx_cmdq_mboxes_sync(sc, &mxm, BUS_DMASYNC_PRERW);
4011 
4012 	mcx_cmdq_post(sc, cqe, 0);
4013 	error = mcx_cmdq_poll(sc, cqe, 1000);
4014 	mcx_cmdq_mboxes_sync(sc, &mxm, BUS_DMASYNC_POSTRW);
4015 
4016 	if (error != 0) {
4017 		printf(", query hca caps timeout\n");
4018 		goto free;
4019 	}
4020 	error = mcx_cmdq_verify(cqe);
4021 	if (error != 0) {
4022 		printf(", query hca caps reply corrupt\n");
4023 		goto free;
4024 	}
4025 
4026 	status = cqe->cq_output_data[0];
4027 	if (status != MCX_CQ_STATUS_OK) {
4028 		printf(", query hca caps failed (%x)\n", status);
4029 		error = -1;
4030 		goto free;
4031 	}
4032 
4033 	mb = mcx_cq_mbox(&mxm, 0);
4034 	hca = mcx_cq_mbox_data(mb);
4035 
4036 	if ((hca->port_type & MCX_CAP_DEVICE_PORT_TYPE)
4037 	    != MCX_CAP_DEVICE_PORT_TYPE_ETH) {
4038 		printf(", not in ethernet mode\n");
4039 		error = -1;
4040 		goto free;
4041 	}
4042 	if (hca->log_pg_sz > PAGE_SHIFT) {
4043 		printf(", minimum system page shift %u is too large\n",
4044 		    hca->log_pg_sz);
4045 		error = -1;
4046 		goto free;
4047 	}
4048 	/*
4049 	 * blueflame register is split into two buffers, and we must alternate
4050 	 * between the two of them.
4051 	 */
4052 	sc->sc_bf_size = (1 << hca->log_bf_reg_size) / 2;
4053 	sc->sc_max_rqt_size = (1 << hca->log_max_rqt_size);
4054 
4055 	if (hca->local_ca_ack_delay & MCX_CAP_DEVICE_MCAM_REG)
4056 		sc->sc_mcam_reg = 1;
4057 
4058 	sc->sc_mhz = be32dec(&hca->device_frequency_mhz);
4059 	sc->sc_khz = be32dec(&hca->device_frequency_khz);
4060 
4061 free:
4062 	mcx_dmamem_free(sc, &mxm);
4063 
4064 	return (error);
4065 }
4066 
4067 static int
4068 mcx_hca_set_caps(struct mcx_softc *sc)
4069 {
4070 	struct mcx_dmamem mxm;
4071 	struct mcx_cmdq_entry *cqe;
4072 	struct mcx_cmd_query_hca_cap_in *in;
4073 	struct mcx_cmd_query_hca_cap_out *out;
4074 	struct mcx_cmdq_mailbox *mb;
4075 	struct mcx_cap_device *hca;
4076 	uint8_t status;
4077 	uint8_t token = mcx_cmdq_token(sc);
4078 	int error;
4079 
4080 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
4081 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out) + MCX_HCA_CAP_LEN,
4082 	    token);
4083 
4084 	in = mcx_cmdq_in(cqe);
4085 	in->cmd_opcode = htobe16(MCX_CMD_QUERY_HCA_CAP);
4086 	in->cmd_op_mod = htobe16(MCX_CMD_QUERY_HCA_CAP_CURRENT |
4087 	    MCX_CMD_QUERY_HCA_CAP_DEVICE);
4088 
4089 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, MCX_HCA_CAP_NMAILBOXES,
4090 	    &cqe->cq_output_ptr, token) != 0) {
4091 		printf(", unable to allocate manage pages mailboxen\n");
4092 		return (-1);
4093 	}
4094 	mcx_cmdq_mboxes_sign(&mxm, MCX_HCA_CAP_NMAILBOXES);
4095 	mcx_cmdq_mboxes_sync(sc, &mxm, BUS_DMASYNC_PRERW);
4096 
4097 	mcx_cmdq_post(sc, cqe, 0);
4098 	error = mcx_cmdq_poll(sc, cqe, 1000);
4099 	mcx_cmdq_mboxes_sync(sc, &mxm, BUS_DMASYNC_POSTRW);
4100 
4101 	if (error != 0) {
4102 		printf(", query hca caps timeout\n");
4103 		goto free;
4104 	}
4105 	error = mcx_cmdq_verify(cqe);
4106 	if (error != 0) {
4107 		printf(", query hca caps reply corrupt\n");
4108 		goto free;
4109 	}
4110 
4111 	status = cqe->cq_output_data[0];
4112 	if (status != MCX_CQ_STATUS_OK) {
4113 		printf(", query hca caps failed (%x)\n", status);
4114 		error = -1;
4115 		goto free;
4116 	}
4117 
4118 	mb = mcx_cq_mbox(&mxm, 0);
4119 	hca = mcx_cq_mbox_data(mb);
4120 
4121 	hca->log_pg_sz = PAGE_SHIFT;
4122 
4123 free:
4124 	mcx_dmamem_free(sc, &mxm);
4125 
4126 	return (error);
4127 }
4128 
4129 
4130 static int
4131 mcx_init_hca(struct mcx_softc *sc)
4132 {
4133 	struct mcx_cmdq_entry *cqe;
4134 	struct mcx_cmd_init_hca_in *in;
4135 	struct mcx_cmd_init_hca_out *out;
4136 	int error;
4137 	uint8_t status;
4138 
4139 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
4140 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), mcx_cmdq_token(sc));
4141 
4142 	in = mcx_cmdq_in(cqe);
4143 	in->cmd_opcode = htobe16(MCX_CMD_INIT_HCA);
4144 	in->cmd_op_mod = htobe16(0);
4145 
4146 	mcx_cmdq_post(sc, cqe, 0);
4147 
4148 	error = mcx_cmdq_poll(sc, cqe, 1000);
4149 	if (error != 0) {
4150 		printf(", hca init timeout\n");
4151 		return (-1);
4152 	}
4153 	if (mcx_cmdq_verify(cqe) != 0) {
4154 		printf(", hca init command corrupt\n");
4155 		return (-1);
4156 	}
4157 
4158 	status = cqe->cq_output_data[0];
4159 	if (status != MCX_CQ_STATUS_OK) {
4160 		printf(", hca init failed (%x)\n", status);
4161 		return (-1);
4162 	}
4163 
4164 	return (0);
4165 }
4166 
4167 static int
4168 mcx_set_driver_version(struct mcx_softc *sc)
4169 {
4170 	struct mcx_dmamem mxm;
4171 	struct mcx_cmdq_entry *cqe;
4172 	struct mcx_cmd_set_driver_version_in *in;
4173 	struct mcx_cmd_set_driver_version_out *out;
4174 	int error;
4175 	int token;
4176 	uint8_t status;
4177 
4178 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
4179 	token = mcx_cmdq_token(sc);
4180 	mcx_cmdq_init(sc, cqe, sizeof(*in) +
4181 	    sizeof(struct mcx_cmd_set_driver_version), sizeof(*out), token);
4182 
4183 	in = mcx_cmdq_in(cqe);
4184 	in->cmd_opcode = htobe16(MCX_CMD_SET_DRIVER_VERSION);
4185 	in->cmd_op_mod = htobe16(0);
4186 
4187 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1,
4188 	    &cqe->cq_input_ptr, token) != 0) {
4189 		printf(", unable to allocate set driver version mailboxen\n");
4190 		return (-1);
4191 	}
4192 	strlcpy(mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)),
4193 	    "OpenBSD,mcx,1.000.000000", MCX_CMDQ_MAILBOX_DATASIZE);
4194 
4195 	mcx_cmdq_mboxes_sign(&mxm, 1);
4196 	mcx_cmdq_post(sc, cqe, 0);
4197 
4198 	error = mcx_cmdq_poll(sc, cqe, 1000);
4199 	if (error != 0) {
4200 		printf(", set driver version timeout\n");
4201 		goto free;
4202 	}
4203 	if (mcx_cmdq_verify(cqe) != 0) {
4204 		printf(", set driver version command corrupt\n");
4205 		goto free;
4206 	}
4207 
4208 	status = cqe->cq_output_data[0];
4209 	if (status != MCX_CQ_STATUS_OK) {
4210 		printf(", set driver version failed (%x)\n", status);
4211 		error = -1;
4212 		goto free;
4213 	}
4214 
4215 free:
4216 	mcx_dmamem_free(sc, &mxm);
4217 
4218 	return (error);
4219 }
4220 
4221 static int
4222 mcx_iff(struct mcx_softc *sc)
4223 {
4224 	struct ifnet *ifp = &sc->sc_ec.ec_if;
4225 	struct mcx_dmamem mxm;
4226 	struct mcx_cmdq_entry *cqe;
4227 	struct mcx_cmd_modify_nic_vport_context_in *in;
4228 	struct mcx_cmd_modify_nic_vport_context_out *out;
4229 	struct mcx_nic_vport_ctx *ctx;
4230 	int error;
4231 	int token;
4232 	int insize;
4233 	uint32_t dest;
4234 
4235 	dest = MCX_FLOW_CONTEXT_DEST_TYPE_TABLE |
4236 	    sc->sc_rss_flow_table_id;
4237 
4238 	/* enable or disable the promisc flow */
4239 	if (ISSET(ifp->if_flags, IFF_PROMISC)) {
4240 		if (sc->sc_promisc_flow_enabled == 0) {
4241 			mcx_set_flow_table_entry_mac(sc,
4242 			    MCX_FLOW_GROUP_PROMISC, 0, NULL, dest);
4243 			sc->sc_promisc_flow_enabled = 1;
4244 		}
4245 	} else if (sc->sc_promisc_flow_enabled != 0) {
4246 		mcx_delete_flow_table_entry(sc, MCX_FLOW_GROUP_PROMISC, 0);
4247 		sc->sc_promisc_flow_enabled = 0;
4248 	}
4249 
4250 	/* enable or disable the all-multicast flow */
4251 	if (ISSET(ifp->if_flags, IFF_ALLMULTI)) {
4252 		if (sc->sc_allmulti_flow_enabled == 0) {
4253 			uint8_t mcast[ETHER_ADDR_LEN];
4254 
4255 			memset(mcast, 0, sizeof(mcast));
4256 			mcast[0] = 0x01;
4257 			mcx_set_flow_table_entry_mac(sc,
4258 			    MCX_FLOW_GROUP_ALLMULTI, 0, mcast, dest);
4259 			sc->sc_allmulti_flow_enabled = 1;
4260 		}
4261 	} else if (sc->sc_allmulti_flow_enabled != 0) {
4262 		mcx_delete_flow_table_entry(sc, MCX_FLOW_GROUP_ALLMULTI, 0);
4263 		sc->sc_allmulti_flow_enabled = 0;
4264 	}
4265 
4266 	insize = sizeof(struct mcx_nic_vport_ctx) + 240;
4267 
4268 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
4269 	token = mcx_cmdq_token(sc);
4270 	mcx_cmdq_init(sc, cqe, sizeof(*in) + insize, sizeof(*out), token);
4271 
4272 	in = mcx_cmdq_in(cqe);
4273 	in->cmd_opcode = htobe16(MCX_CMD_MODIFY_NIC_VPORT_CONTEXT);
4274 	in->cmd_op_mod = htobe16(0);
4275 	in->cmd_field_select = htobe32(
4276 	    MCX_CMD_MODIFY_NIC_VPORT_CONTEXT_FIELD_PROMISC |
4277 	    MCX_CMD_MODIFY_NIC_VPORT_CONTEXT_FIELD_MTU);
4278 
4279 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1, &cqe->cq_input_ptr, token) != 0) {
4280 		printf(", unable to allocate modify "
4281 		    "nic vport context mailboxen\n");
4282 		return (-1);
4283 	}
4284 	ctx = (struct mcx_nic_vport_ctx *)
4285 	    (((char *)mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0))) + 240);
4286 	ctx->vp_mtu = htobe32(sc->sc_hardmtu);
4287 	/*
4288          * always leave promisc-all enabled on the vport since we
4289          * can't give it a vlan list, and we're already doing multicast
4290          * filtering in the flow table.
4291 	 */
4292 	ctx->vp_flags = htobe16(MCX_NIC_VPORT_CTX_PROMISC_ALL);
4293 
4294 	mcx_cmdq_mboxes_sign(&mxm, 1);
4295 	mcx_cmdq_post(sc, cqe, 0);
4296 
4297 	error = mcx_cmdq_poll(sc, cqe, 1000);
4298 	if (error != 0) {
4299 		printf(", modify nic vport context timeout\n");
4300 		goto free;
4301 	}
4302 	if (mcx_cmdq_verify(cqe) != 0) {
4303 		printf(", modify nic vport context command corrupt\n");
4304 		goto free;
4305 	}
4306 
4307 	out = mcx_cmdq_out(cqe);
4308 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
4309 		printf(", modify nic vport context failed (%x, %x)\n",
4310 		    out->cmd_status, be32toh(out->cmd_syndrome));
4311 		error = -1;
4312 		goto free;
4313 	}
4314 
4315 free:
4316 	mcx_dmamem_free(sc, &mxm);
4317 
4318 	return (error);
4319 }
4320 
4321 static int
4322 mcx_alloc_uar(struct mcx_softc *sc, int *uar)
4323 {
4324 	struct mcx_cmdq_entry *cqe;
4325 	struct mcx_cmd_alloc_uar_in *in;
4326 	struct mcx_cmd_alloc_uar_out *out;
4327 	int error;
4328 
4329 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
4330 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), mcx_cmdq_token(sc));
4331 
4332 	in = mcx_cmdq_in(cqe);
4333 	in->cmd_opcode = htobe16(MCX_CMD_ALLOC_UAR);
4334 	in->cmd_op_mod = htobe16(0);
4335 
4336 	mcx_cmdq_post(sc, cqe, 0);
4337 
4338 	error = mcx_cmdq_poll(sc, cqe, 1000);
4339 	if (error != 0) {
4340 		printf(", alloc uar timeout\n");
4341 		return (-1);
4342 	}
4343 	if (mcx_cmdq_verify(cqe) != 0) {
4344 		printf(", alloc uar command corrupt\n");
4345 		return (-1);
4346 	}
4347 
4348 	out = mcx_cmdq_out(cqe);
4349 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
4350 		printf(", alloc uar failed (%x)\n", out->cmd_status);
4351 		return (-1);
4352 	}
4353 
4354 	*uar = mcx_get_id(out->cmd_uar);
4355 	return (0);
4356 }
4357 
4358 static int
4359 mcx_create_eq(struct mcx_softc *sc, struct mcx_eq *eq, int uar,
4360     uint64_t events, int vector)
4361 {
4362 	struct mcx_cmdq_entry *cqe;
4363 	struct mcx_dmamem mxm;
4364 	struct mcx_cmd_create_eq_in *in;
4365 	struct mcx_cmd_create_eq_mb_in *mbin;
4366 	struct mcx_cmd_create_eq_out *out;
4367 	struct mcx_eq_entry *eqe;
4368 	int error;
4369 	uint64_t *pas;
4370 	int insize, npages, paslen, i, token;
4371 
4372 	eq->eq_cons = 0;
4373 
4374 	npages = howmany((1 << MCX_LOG_EQ_SIZE) * sizeof(struct mcx_eq_entry),
4375 	    MCX_PAGE_SIZE);
4376 	paslen = npages * sizeof(*pas);
4377 	insize = sizeof(struct mcx_cmd_create_eq_mb_in) + paslen;
4378 
4379 	if (mcx_dmamem_alloc(sc, &eq->eq_mem, npages * MCX_PAGE_SIZE,
4380 	    MCX_PAGE_SIZE) != 0) {
4381 		printf(", unable to allocate event queue memory\n");
4382 		return (-1);
4383 	}
4384 
4385 	eqe = (struct mcx_eq_entry *)MCX_DMA_KVA(&eq->eq_mem);
4386 	for (i = 0; i < (1 << MCX_LOG_EQ_SIZE); i++) {
4387 		eqe[i].eq_owner = MCX_EQ_ENTRY_OWNER_INIT;
4388 	}
4389 
4390 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
4391 	token = mcx_cmdq_token(sc);
4392 	mcx_cmdq_init(sc, cqe, sizeof(*in) + insize, sizeof(*out), token);
4393 
4394 	in = mcx_cmdq_in(cqe);
4395 	in->cmd_opcode = htobe16(MCX_CMD_CREATE_EQ);
4396 	in->cmd_op_mod = htobe16(0);
4397 
4398 	if (mcx_cmdq_mboxes_alloc(sc, &mxm,
4399 	    howmany(insize, MCX_CMDQ_MAILBOX_DATASIZE),
4400 	    &cqe->cq_input_ptr, token) != 0) {
4401 		printf(", unable to allocate create eq mailboxen\n");
4402 		goto free_eq;
4403 	}
4404 	mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
4405 	mbin->cmd_eq_ctx.eq_uar_size = htobe32(
4406 	    (MCX_LOG_EQ_SIZE << MCX_EQ_CTX_LOG_EQ_SIZE_SHIFT) | uar);
4407 	mbin->cmd_eq_ctx.eq_intr = vector;
4408 	mbin->cmd_event_bitmask = htobe64(events);
4409 
4410 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&eq->eq_mem),
4411 	    0, MCX_DMA_LEN(&eq->eq_mem), BUS_DMASYNC_PREREAD);
4412 
4413 	/* physical addresses follow the mailbox in data */
4414 	mcx_cmdq_mboxes_pas(&mxm, sizeof(*mbin), npages, &eq->eq_mem);
4415 	mcx_cmdq_mboxes_sign(&mxm, howmany(insize, MCX_CMDQ_MAILBOX_DATASIZE));
4416 	mcx_cmdq_post(sc, cqe, 0);
4417 
4418 	error = mcx_cmdq_poll(sc, cqe, 1000);
4419 	if (error != 0) {
4420 		printf(", create eq timeout\n");
4421 		goto free_mxm;
4422 	}
4423 	if (mcx_cmdq_verify(cqe) != 0) {
4424 		printf(", create eq command corrupt\n");
4425 		goto free_mxm;
4426 	}
4427 
4428 	out = mcx_cmdq_out(cqe);
4429 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
4430 		printf(", create eq failed (%x, %x)\n", out->cmd_status,
4431 		    be32toh(out->cmd_syndrome));
4432 		goto free_mxm;
4433 	}
4434 
4435 	eq->eq_n = mcx_get_id(out->cmd_eqn);
4436 
4437 	mcx_dmamem_free(sc, &mxm);
4438 
4439 	mcx_arm_eq(sc, eq, uar);
4440 
4441 	return (0);
4442 
4443 free_mxm:
4444 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&eq->eq_mem),
4445 	    0, MCX_DMA_LEN(&eq->eq_mem), BUS_DMASYNC_POSTREAD);
4446 	mcx_dmamem_free(sc, &mxm);
4447 free_eq:
4448 	mcx_dmamem_free(sc, &eq->eq_mem);
4449 	return (-1);
4450 }
4451 
4452 static int
4453 mcx_alloc_pd(struct mcx_softc *sc)
4454 {
4455 	struct mcx_cmdq_entry *cqe;
4456 	struct mcx_cmd_alloc_pd_in *in;
4457 	struct mcx_cmd_alloc_pd_out *out;
4458 	int error;
4459 
4460 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
4461 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), mcx_cmdq_token(sc));
4462 
4463 	in = mcx_cmdq_in(cqe);
4464 	in->cmd_opcode = htobe16(MCX_CMD_ALLOC_PD);
4465 	in->cmd_op_mod = htobe16(0);
4466 
4467 	mcx_cmdq_post(sc, cqe, 0);
4468 
4469 	error = mcx_cmdq_poll(sc, cqe, 1000);
4470 	if (error != 0) {
4471 		printf(", alloc pd timeout\n");
4472 		return (-1);
4473 	}
4474 	if (mcx_cmdq_verify(cqe) != 0) {
4475 		printf(", alloc pd command corrupt\n");
4476 		return (-1);
4477 	}
4478 
4479 	out = mcx_cmdq_out(cqe);
4480 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
4481 		printf(", alloc pd failed (%x)\n", out->cmd_status);
4482 		return (-1);
4483 	}
4484 
4485 	sc->sc_pd = mcx_get_id(out->cmd_pd);
4486 	return (0);
4487 }
4488 
4489 static int
4490 mcx_alloc_tdomain(struct mcx_softc *sc)
4491 {
4492 	struct mcx_cmdq_entry *cqe;
4493 	struct mcx_cmd_alloc_td_in *in;
4494 	struct mcx_cmd_alloc_td_out *out;
4495 	int error;
4496 
4497 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
4498 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), mcx_cmdq_token(sc));
4499 
4500 	in = mcx_cmdq_in(cqe);
4501 	in->cmd_opcode = htobe16(MCX_CMD_ALLOC_TRANSPORT_DOMAIN);
4502 	in->cmd_op_mod = htobe16(0);
4503 
4504 	mcx_cmdq_post(sc, cqe, 0);
4505 
4506 	error = mcx_cmdq_poll(sc, cqe, 1000);
4507 	if (error != 0) {
4508 		printf(", alloc transport domain timeout\n");
4509 		return (-1);
4510 	}
4511 	if (mcx_cmdq_verify(cqe) != 0) {
4512 		printf(", alloc transport domain command corrupt\n");
4513 		return (-1);
4514 	}
4515 
4516 	out = mcx_cmdq_out(cqe);
4517 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
4518 		printf(", alloc transport domain failed (%x)\n",
4519 		    out->cmd_status);
4520 		return (-1);
4521 	}
4522 
4523 	sc->sc_tdomain = mcx_get_id(out->cmd_tdomain);
4524 	return (0);
4525 }
4526 
4527 static int
4528 mcx_query_nic_vport_context(struct mcx_softc *sc, uint8_t *enaddr)
4529 {
4530 	struct mcx_dmamem mxm;
4531 	struct mcx_cmdq_entry *cqe;
4532 	struct mcx_cmd_query_nic_vport_context_in *in;
4533 	struct mcx_cmd_query_nic_vport_context_out *out;
4534 	struct mcx_nic_vport_ctx *ctx;
4535 	uint8_t *addr;
4536 	int error, token, i;
4537 
4538 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
4539 	token = mcx_cmdq_token(sc);
4540 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out) + sizeof(*ctx), token);
4541 
4542 	in = mcx_cmdq_in(cqe);
4543 	in->cmd_opcode = htobe16(MCX_CMD_QUERY_NIC_VPORT_CONTEXT);
4544 	in->cmd_op_mod = htobe16(0);
4545 	in->cmd_allowed_list_type = 0;
4546 
4547 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1,
4548 	    &cqe->cq_output_ptr, token) != 0) {
4549 		printf(", unable to allocate "
4550 		    "query nic vport context mailboxen\n");
4551 		return (-1);
4552 	}
4553 	mcx_cmdq_mboxes_sign(&mxm, 1);
4554 	mcx_cmdq_post(sc, cqe, 0);
4555 
4556 	error = mcx_cmdq_poll(sc, cqe, 1000);
4557 	if (error != 0) {
4558 		printf(", query nic vport context timeout\n");
4559 		goto free;
4560 	}
4561 	if (mcx_cmdq_verify(cqe) != 0) {
4562 		printf(", query nic vport context command corrupt\n");
4563 		goto free;
4564 	}
4565 
4566 	out = mcx_cmdq_out(cqe);
4567 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
4568 		printf(", query nic vport context failed (%x, %x)\n",
4569 		    out->cmd_status, be32toh(out->cmd_syndrome));
4570 		error = -1;
4571 		goto free;
4572 	}
4573 
4574 	ctx = (struct mcx_nic_vport_ctx *)
4575 	    mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
4576 	addr = (uint8_t *)&ctx->vp_perm_addr;
4577 	for (i = 0; i < ETHER_ADDR_LEN; i++) {
4578 		enaddr[i] = addr[i + 2];
4579 	}
4580 free:
4581 	mcx_dmamem_free(sc, &mxm);
4582 
4583 	return (error);
4584 }
4585 
4586 static int
4587 mcx_query_special_contexts(struct mcx_softc *sc)
4588 {
4589 	struct mcx_cmdq_entry *cqe;
4590 	struct mcx_cmd_query_special_ctx_in *in;
4591 	struct mcx_cmd_query_special_ctx_out *out;
4592 	int error;
4593 
4594 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
4595 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), mcx_cmdq_token(sc));
4596 
4597 	in = mcx_cmdq_in(cqe);
4598 	in->cmd_opcode = htobe16(MCX_CMD_QUERY_SPECIAL_CONTEXTS);
4599 	in->cmd_op_mod = htobe16(0);
4600 
4601 	mcx_cmdq_post(sc, cqe, 0);
4602 
4603 	error = mcx_cmdq_poll(sc, cqe, 1000);
4604 	if (error != 0) {
4605 		printf(", query special contexts timeout\n");
4606 		return (-1);
4607 	}
4608 	if (mcx_cmdq_verify(cqe) != 0) {
4609 		printf(", query special contexts command corrupt\n");
4610 		return (-1);
4611 	}
4612 
4613 	out = mcx_cmdq_out(cqe);
4614 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
4615 		printf(", query special contexts failed (%x)\n",
4616 		    out->cmd_status);
4617 		return (-1);
4618 	}
4619 
4620 	sc->sc_lkey = be32toh(out->cmd_resd_lkey);
4621 	return (0);
4622 }
4623 
4624 static int
4625 mcx_set_port_mtu(struct mcx_softc *sc, int mtu)
4626 {
4627 	struct mcx_reg_pmtu pmtu;
4628 	int error;
4629 
4630 	/* read max mtu */
4631 	memset(&pmtu, 0, sizeof(pmtu));
4632 	pmtu.rp_local_port = 1;
4633 	error = mcx_access_hca_reg(sc, MCX_REG_PMTU, MCX_REG_OP_READ, &pmtu,
4634 	    sizeof(pmtu));
4635 	if (error != 0) {
4636 		printf(", unable to get port MTU\n");
4637 		return error;
4638 	}
4639 
4640 	mtu = uimin(mtu, be16toh(pmtu.rp_max_mtu));
4641 	pmtu.rp_admin_mtu = htobe16(mtu);
4642 	error = mcx_access_hca_reg(sc, MCX_REG_PMTU, MCX_REG_OP_WRITE, &pmtu,
4643 	    sizeof(pmtu));
4644 	if (error != 0) {
4645 		printf(", unable to set port MTU\n");
4646 		return error;
4647 	}
4648 
4649 	sc->sc_hardmtu = mtu;
4650 	sc->sc_rxbufsz = roundup(mtu + ETHER_ALIGN, sizeof(long));
4651 	return 0;
4652 }
4653 
4654 static int
4655 mcx_create_cq(struct mcx_softc *sc, struct mcx_cq *cq, int uar, int db, int eqn)
4656 {
4657 	struct mcx_cmdq_entry *cmde;
4658 	struct mcx_cq_entry *cqe;
4659 	struct mcx_dmamem mxm;
4660 	struct mcx_cmd_create_cq_in *in;
4661 	struct mcx_cmd_create_cq_mb_in *mbin;
4662 	struct mcx_cmd_create_cq_out *out;
4663 	int error;
4664 	uint64_t *pas;
4665 	int insize, npages, paslen, i, token;
4666 
4667 	cq->cq_doorbell = MCX_CQ_DOORBELL_BASE + (MCX_CQ_DOORBELL_STRIDE * db);
4668 
4669 	npages = howmany((1 << MCX_LOG_CQ_SIZE) * sizeof(struct mcx_cq_entry),
4670 	    MCX_PAGE_SIZE);
4671 	paslen = npages * sizeof(*pas);
4672 	insize = sizeof(struct mcx_cmd_create_cq_mb_in) + paslen;
4673 
4674 	if (mcx_dmamem_alloc(sc, &cq->cq_mem, npages * MCX_PAGE_SIZE,
4675 	    MCX_PAGE_SIZE) != 0) {
4676 		printf("%s: unable to allocate completion queue memory\n",
4677 		    DEVNAME(sc));
4678 		return (-1);
4679 	}
4680 	cqe = MCX_DMA_KVA(&cq->cq_mem);
4681 	for (i = 0; i < (1 << MCX_LOG_CQ_SIZE); i++) {
4682 		cqe[i].cq_opcode_owner = MCX_CQ_ENTRY_FLAG_OWNER;
4683 	}
4684 
4685 	cmde = MCX_DMA_KVA(&sc->sc_cmdq_mem);
4686 	token = mcx_cmdq_token(sc);
4687 	mcx_cmdq_init(sc, cmde, sizeof(*in) + insize, sizeof(*out), token);
4688 
4689 	in = mcx_cmdq_in(cmde);
4690 	in->cmd_opcode = htobe16(MCX_CMD_CREATE_CQ);
4691 	in->cmd_op_mod = htobe16(0);
4692 
4693 	if (mcx_cmdq_mboxes_alloc(sc, &mxm,
4694 	    howmany(insize, MCX_CMDQ_MAILBOX_DATASIZE),
4695 	    &cmde->cq_input_ptr, token) != 0) {
4696 		printf("%s: unable to allocate create cq mailboxen\n",
4697 		    DEVNAME(sc));
4698 		goto free_cq;
4699 	}
4700 	mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
4701 	mbin->cmd_cq_ctx.cq_uar_size = htobe32(
4702 	    (MCX_LOG_CQ_SIZE << MCX_CQ_CTX_LOG_CQ_SIZE_SHIFT) | uar);
4703 	mbin->cmd_cq_ctx.cq_eqn = htobe32(eqn);
4704 	mbin->cmd_cq_ctx.cq_period_max_count = htobe32(
4705 	    (MCX_CQ_MOD_PERIOD << MCX_CQ_CTX_PERIOD_SHIFT) |
4706 	    MCX_CQ_MOD_COUNTER);
4707 	mbin->cmd_cq_ctx.cq_doorbell = htobe64(
4708 	    MCX_DMA_DVA(&sc->sc_doorbell_mem) + cq->cq_doorbell);
4709 
4710 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&cq->cq_mem),
4711 	    0, MCX_DMA_LEN(&cq->cq_mem), BUS_DMASYNC_PREREAD);
4712 
4713 	/* physical addresses follow the mailbox in data */
4714 	mcx_cmdq_mboxes_pas(&mxm, sizeof(*mbin), npages, &cq->cq_mem);
4715 	mcx_cmdq_post(sc, cmde, 0);
4716 
4717 	error = mcx_cmdq_poll(sc, cmde, 1000);
4718 	if (error != 0) {
4719 		printf("%s: create cq timeout\n", DEVNAME(sc));
4720 		goto free_mxm;
4721 	}
4722 	if (mcx_cmdq_verify(cmde) != 0) {
4723 		printf("%s: create cq command corrupt\n", DEVNAME(sc));
4724 		goto free_mxm;
4725 	}
4726 
4727 	out = mcx_cmdq_out(cmde);
4728 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
4729 		printf("%s: create cq failed (%x, %x)\n", DEVNAME(sc),
4730 		    out->cmd_status, be32toh(out->cmd_syndrome));
4731 		goto free_mxm;
4732 	}
4733 
4734 	cq->cq_n = mcx_get_id(out->cmd_cqn);
4735 	cq->cq_cons = 0;
4736 	cq->cq_count = 0;
4737 
4738 	mcx_dmamem_free(sc, &mxm);
4739 
4740 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&sc->sc_doorbell_mem),
4741 	    cq->cq_doorbell, sizeof(struct mcx_cq_doorbell),
4742 	    BUS_DMASYNC_PREWRITE);
4743 
4744 	mcx_arm_cq(sc, cq, uar);
4745 
4746 	return (0);
4747 
4748 free_mxm:
4749 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&cq->cq_mem),
4750 	    0, MCX_DMA_LEN(&cq->cq_mem), BUS_DMASYNC_POSTREAD);
4751 	mcx_dmamem_free(sc, &mxm);
4752 free_cq:
4753 	mcx_dmamem_free(sc, &cq->cq_mem);
4754 	return (-1);
4755 }
4756 
4757 static int
4758 mcx_destroy_cq(struct mcx_softc *sc, struct mcx_cq *cq)
4759 {
4760 	struct mcx_cmdq_entry *cqe;
4761 	struct mcx_cmd_destroy_cq_in *in;
4762 	struct mcx_cmd_destroy_cq_out *out;
4763 	int error;
4764 	int token;
4765 
4766 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
4767 	token = mcx_cmdq_token(sc);
4768 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), token);
4769 
4770 	in = mcx_cmdq_in(cqe);
4771 	in->cmd_opcode = htobe16(MCX_CMD_DESTROY_CQ);
4772 	in->cmd_op_mod = htobe16(0);
4773 	in->cmd_cqn = htobe32(cq->cq_n);
4774 
4775 	mcx_cmdq_post(sc, cqe, 0);
4776 	error = mcx_cmdq_poll(sc, cqe, 1000);
4777 	if (error != 0) {
4778 		printf("%s: destroy cq timeout\n", DEVNAME(sc));
4779 		return error;
4780 	}
4781 	if (mcx_cmdq_verify(cqe) != 0) {
4782 		printf("%s: destroy cq command corrupt\n", DEVNAME(sc));
4783 		return error;
4784 	}
4785 
4786 	out = mcx_cmdq_out(cqe);
4787 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
4788 		printf("%s: destroy cq failed (%x, %x)\n", DEVNAME(sc),
4789 		    out->cmd_status, be32toh(out->cmd_syndrome));
4790 		return -1;
4791 	}
4792 
4793 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&sc->sc_doorbell_mem),
4794 	    cq->cq_doorbell, sizeof(struct mcx_cq_doorbell),
4795 	    BUS_DMASYNC_POSTWRITE);
4796 
4797 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&cq->cq_mem),
4798 	    0, MCX_DMA_LEN(&cq->cq_mem), BUS_DMASYNC_POSTREAD);
4799 	mcx_dmamem_free(sc, &cq->cq_mem);
4800 
4801 	cq->cq_n = 0;
4802 	cq->cq_cons = 0;
4803 	cq->cq_count = 0;
4804 	return 0;
4805 }
4806 
4807 static int
4808 mcx_create_rq(struct mcx_softc *sc, struct mcx_rx *rx, int db, int cqn)
4809 {
4810 	struct mcx_cmdq_entry *cqe;
4811 	struct mcx_dmamem mxm;
4812 	struct mcx_cmd_create_rq_in *in;
4813 	struct mcx_cmd_create_rq_out *out;
4814 	struct mcx_rq_ctx *mbin;
4815 	int error;
4816 	uint64_t *pas;
4817 	uint32_t rq_flags;
4818 	int insize, npages, paslen, token;
4819 
4820 	rx->rx_doorbell = MCX_WQ_DOORBELL_BASE +
4821 	    (db * MCX_WQ_DOORBELL_STRIDE);
4822 
4823 	npages = howmany((1 << MCX_LOG_RQ_SIZE) * sizeof(struct mcx_rq_entry),
4824 	    MCX_PAGE_SIZE);
4825 	paslen = npages * sizeof(*pas);
4826 	insize = 0x10 + sizeof(struct mcx_rq_ctx) + paslen;
4827 
4828 	if (mcx_dmamem_alloc(sc, &rx->rx_rq_mem, npages * MCX_PAGE_SIZE,
4829 	    MCX_PAGE_SIZE) != 0) {
4830 		printf("%s: unable to allocate receive queue memory\n",
4831 		    DEVNAME(sc));
4832 		return (-1);
4833 	}
4834 
4835 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
4836 	token = mcx_cmdq_token(sc);
4837 	mcx_cmdq_init(sc, cqe, sizeof(*in) + insize, sizeof(*out), token);
4838 
4839 	in = mcx_cmdq_in(cqe);
4840 	in->cmd_opcode = htobe16(MCX_CMD_CREATE_RQ);
4841 	in->cmd_op_mod = htobe16(0);
4842 
4843 	if (mcx_cmdq_mboxes_alloc(sc, &mxm,
4844 	    howmany(insize, MCX_CMDQ_MAILBOX_DATASIZE),
4845 	    &cqe->cq_input_ptr, token) != 0) {
4846 		printf("%s: unable to allocate create rq mailboxen\n",
4847 		    DEVNAME(sc));
4848 		goto free_rq;
4849 	}
4850 	mbin = (struct mcx_rq_ctx *)
4851 	    (((char *)mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0))) + 0x10);
4852 	rq_flags = MCX_RQ_CTX_RLKEY;
4853 	mbin->rq_flags = htobe32(rq_flags);
4854 	mbin->rq_cqn = htobe32(cqn);
4855 	mbin->rq_wq.wq_type = MCX_WQ_CTX_TYPE_CYCLIC;
4856 	mbin->rq_wq.wq_pd = htobe32(sc->sc_pd);
4857 	mbin->rq_wq.wq_doorbell = htobe64(MCX_DMA_DVA(&sc->sc_doorbell_mem) +
4858 	    rx->rx_doorbell);
4859 	mbin->rq_wq.wq_log_stride = htobe16(4);
4860 	mbin->rq_wq.wq_log_size = MCX_LOG_RQ_SIZE;
4861 
4862 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&rx->rx_rq_mem),
4863 	    0, MCX_DMA_LEN(&rx->rx_rq_mem), BUS_DMASYNC_PREWRITE);
4864 
4865 	/* physical addresses follow the mailbox in data */
4866 	mcx_cmdq_mboxes_pas(&mxm, sizeof(*mbin) + 0x10, npages, &rx->rx_rq_mem);
4867 	mcx_cmdq_post(sc, cqe, 0);
4868 
4869 	error = mcx_cmdq_poll(sc, cqe, 1000);
4870 	if (error != 0) {
4871 		printf("%s: create rq timeout\n", DEVNAME(sc));
4872 		goto free_mxm;
4873 	}
4874 	if (mcx_cmdq_verify(cqe) != 0) {
4875 		printf("%s: create rq command corrupt\n", DEVNAME(sc));
4876 		goto free_mxm;
4877 	}
4878 
4879 	out = mcx_cmdq_out(cqe);
4880 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
4881 		printf("%s: create rq failed (%x, %x)\n", DEVNAME(sc),
4882 		    out->cmd_status, be32toh(out->cmd_syndrome));
4883 		goto free_mxm;
4884 	}
4885 
4886 	rx->rx_rqn = mcx_get_id(out->cmd_rqn);
4887 
4888 	mcx_dmamem_free(sc, &mxm);
4889 
4890 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&sc->sc_doorbell_mem),
4891 	    rx->rx_doorbell, sizeof(uint32_t), BUS_DMASYNC_PREWRITE);
4892 
4893 	return (0);
4894 
4895 free_mxm:
4896 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&rx->rx_rq_mem),
4897 	    0, MCX_DMA_LEN(&rx->rx_rq_mem), BUS_DMASYNC_POSTWRITE);
4898 	mcx_dmamem_free(sc, &mxm);
4899 free_rq:
4900 	mcx_dmamem_free(sc, &rx->rx_rq_mem);
4901 	return (-1);
4902 }
4903 
4904 static int
4905 mcx_ready_rq(struct mcx_softc *sc, struct mcx_rx *rx)
4906 {
4907 	struct mcx_cmdq_entry *cqe;
4908 	struct mcx_dmamem mxm;
4909 	struct mcx_cmd_modify_rq_in *in;
4910 	struct mcx_cmd_modify_rq_mb_in *mbin;
4911 	struct mcx_cmd_modify_rq_out *out;
4912 	int error;
4913 	int token;
4914 
4915 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
4916 	token = mcx_cmdq_token(sc);
4917 	mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin),
4918 	    sizeof(*out), token);
4919 
4920 	in = mcx_cmdq_in(cqe);
4921 	in->cmd_opcode = htobe16(MCX_CMD_MODIFY_RQ);
4922 	in->cmd_op_mod = htobe16(0);
4923 	in->cmd_rq_state = htobe32((MCX_QUEUE_STATE_RST << 28) | rx->rx_rqn);
4924 
4925 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1,
4926 	    &cqe->cq_input_ptr, token) != 0) {
4927 		printf("%s: unable to allocate modify rq mailbox\n",
4928 		    DEVNAME(sc));
4929 		return (-1);
4930 	}
4931 	mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
4932 	mbin->cmd_rq_ctx.rq_flags = htobe32(
4933 	    MCX_QUEUE_STATE_RDY << MCX_RQ_CTX_STATE_SHIFT);
4934 
4935 	mcx_cmdq_mboxes_sign(&mxm, 1);
4936 	mcx_cmdq_post(sc, cqe, 0);
4937 	error = mcx_cmdq_poll(sc, cqe, 1000);
4938 	if (error != 0) {
4939 		printf("%s: modify rq timeout\n", DEVNAME(sc));
4940 		goto free;
4941 	}
4942 	if (mcx_cmdq_verify(cqe) != 0) {
4943 		printf("%s: modify rq command corrupt\n", DEVNAME(sc));
4944 		goto free;
4945 	}
4946 
4947 	out = mcx_cmdq_out(cqe);
4948 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
4949 		printf("%s: modify rq failed (%x, %x)\n", DEVNAME(sc),
4950 		    out->cmd_status, be32toh(out->cmd_syndrome));
4951 		error = -1;
4952 		goto free;
4953 	}
4954 
4955 free:
4956 	mcx_dmamem_free(sc, &mxm);
4957 	return (error);
4958 }
4959 
4960 static int
4961 mcx_destroy_rq(struct mcx_softc *sc, struct mcx_rx *rx)
4962 {
4963 	struct mcx_cmdq_entry *cqe;
4964 	struct mcx_cmd_destroy_rq_in *in;
4965 	struct mcx_cmd_destroy_rq_out *out;
4966 	int error;
4967 	int token;
4968 
4969 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
4970 	token = mcx_cmdq_token(sc);
4971 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), token);
4972 
4973 	in = mcx_cmdq_in(cqe);
4974 	in->cmd_opcode = htobe16(MCX_CMD_DESTROY_RQ);
4975 	in->cmd_op_mod = htobe16(0);
4976 	in->cmd_rqn = htobe32(rx->rx_rqn);
4977 
4978 	mcx_cmdq_post(sc, cqe, 0);
4979 	error = mcx_cmdq_poll(sc, cqe, 1000);
4980 	if (error != 0) {
4981 		printf("%s: destroy rq timeout\n", DEVNAME(sc));
4982 		return error;
4983 	}
4984 	if (mcx_cmdq_verify(cqe) != 0) {
4985 		printf("%s: destroy rq command corrupt\n", DEVNAME(sc));
4986 		return error;
4987 	}
4988 
4989 	out = mcx_cmdq_out(cqe);
4990 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
4991 		printf("%s: destroy rq failed (%x, %x)\n", DEVNAME(sc),
4992 		    out->cmd_status, be32toh(out->cmd_syndrome));
4993 		return -1;
4994 	}
4995 
4996 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&sc->sc_doorbell_mem),
4997 	    rx->rx_doorbell, sizeof(uint32_t), BUS_DMASYNC_POSTWRITE);
4998 
4999 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&rx->rx_rq_mem),
5000 	    0, MCX_DMA_LEN(&rx->rx_rq_mem), BUS_DMASYNC_POSTWRITE);
5001 	mcx_dmamem_free(sc, &rx->rx_rq_mem);
5002 
5003 	rx->rx_rqn = 0;
5004 	return 0;
5005 }
5006 
5007 static int
5008 mcx_create_tir_direct(struct mcx_softc *sc, struct mcx_rx *rx, int *tirn)
5009 {
5010 	struct mcx_cmdq_entry *cqe;
5011 	struct mcx_dmamem mxm;
5012 	struct mcx_cmd_create_tir_in *in;
5013 	struct mcx_cmd_create_tir_mb_in *mbin;
5014 	struct mcx_cmd_create_tir_out *out;
5015 	int error;
5016 	int token;
5017 
5018 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
5019 	token = mcx_cmdq_token(sc);
5020 	mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin),
5021 	    sizeof(*out), token);
5022 
5023 	in = mcx_cmdq_in(cqe);
5024 	in->cmd_opcode = htobe16(MCX_CMD_CREATE_TIR);
5025 	in->cmd_op_mod = htobe16(0);
5026 
5027 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1,
5028 	    &cqe->cq_input_ptr, token) != 0) {
5029 		printf("%s: unable to allocate create tir mailbox\n",
5030 		    DEVNAME(sc));
5031 		return (-1);
5032 	}
5033 	mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
5034 	/* leave disp_type = 0, so packets get sent to the inline rqn */
5035 	mbin->cmd_inline_rqn = htobe32(rx->rx_rqn);
5036 	mbin->cmd_tdomain = htobe32(sc->sc_tdomain);
5037 
5038 	mcx_cmdq_post(sc, cqe, 0);
5039 	error = mcx_cmdq_poll(sc, cqe, 1000);
5040 	if (error != 0) {
5041 		printf("%s: create tir timeout\n", DEVNAME(sc));
5042 		goto free;
5043 	}
5044 	if (mcx_cmdq_verify(cqe) != 0) {
5045 		printf("%s: create tir command corrupt\n", DEVNAME(sc));
5046 		goto free;
5047 	}
5048 
5049 	out = mcx_cmdq_out(cqe);
5050 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
5051 		printf("%s: create tir failed (%x, %x)\n", DEVNAME(sc),
5052 		    out->cmd_status, be32toh(out->cmd_syndrome));
5053 		error = -1;
5054 		goto free;
5055 	}
5056 
5057 	*tirn = mcx_get_id(out->cmd_tirn);
5058 free:
5059 	mcx_dmamem_free(sc, &mxm);
5060 	return (error);
5061 }
5062 
5063 static int
5064 mcx_create_tir_indirect(struct mcx_softc *sc, int rqtn, uint32_t hash_sel,
5065     int *tirn)
5066 {
5067 	struct mcx_cmdq_entry *cqe;
5068 	struct mcx_dmamem mxm;
5069 	struct mcx_cmd_create_tir_in *in;
5070 	struct mcx_cmd_create_tir_mb_in *mbin;
5071 	struct mcx_cmd_create_tir_out *out;
5072 	int error;
5073 	int token;
5074 
5075 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
5076 	token = mcx_cmdq_token(sc);
5077 	mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin),
5078 	    sizeof(*out), token);
5079 
5080 	in = mcx_cmdq_in(cqe);
5081 	in->cmd_opcode = htobe16(MCX_CMD_CREATE_TIR);
5082 	in->cmd_op_mod = htobe16(0);
5083 
5084 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1,
5085 	    &cqe->cq_input_ptr, token) != 0) {
5086 		printf("%s: unable to allocate create tir mailbox\n",
5087 		    DEVNAME(sc));
5088 		return (-1);
5089 	}
5090 	mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
5091 	mbin->cmd_disp_type = htobe32(MCX_TIR_CTX_DISP_TYPE_INDIRECT
5092 	    << MCX_TIR_CTX_DISP_TYPE_SHIFT);
5093 	mbin->cmd_indir_table = htobe32(rqtn);
5094 	mbin->cmd_tdomain = htobe32(sc->sc_tdomain |
5095 	    MCX_TIR_CTX_HASH_TOEPLITZ << MCX_TIR_CTX_HASH_SHIFT);
5096 	mbin->cmd_rx_hash_sel_outer = htobe32(hash_sel);
5097 	stoeplitz_to_key(&mbin->cmd_rx_hash_key,
5098 	    sizeof(mbin->cmd_rx_hash_key));
5099 
5100 	mcx_cmdq_post(sc, cqe, 0);
5101 	error = mcx_cmdq_poll(sc, cqe, 1000);
5102 	if (error != 0) {
5103 		printf("%s: create tir timeout\n", DEVNAME(sc));
5104 		goto free;
5105 	}
5106 	if (mcx_cmdq_verify(cqe) != 0) {
5107 		printf("%s: create tir command corrupt\n", DEVNAME(sc));
5108 		goto free;
5109 	}
5110 
5111 	out = mcx_cmdq_out(cqe);
5112 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
5113 		printf("%s: create tir failed (%x, %x)\n", DEVNAME(sc),
5114 		    out->cmd_status, be32toh(out->cmd_syndrome));
5115 		error = -1;
5116 		goto free;
5117 	}
5118 
5119 	*tirn = mcx_get_id(out->cmd_tirn);
5120 free:
5121 	mcx_dmamem_free(sc, &mxm);
5122 	return (error);
5123 }
5124 
5125 static int
5126 mcx_destroy_tir(struct mcx_softc *sc, int tirn)
5127 {
5128 	struct mcx_cmdq_entry *cqe;
5129 	struct mcx_cmd_destroy_tir_in *in;
5130 	struct mcx_cmd_destroy_tir_out *out;
5131 	int error;
5132 	int token;
5133 
5134 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
5135 	token = mcx_cmdq_token(sc);
5136 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), token);
5137 
5138 	in = mcx_cmdq_in(cqe);
5139 	in->cmd_opcode = htobe16(MCX_CMD_DESTROY_TIR);
5140 	in->cmd_op_mod = htobe16(0);
5141 	in->cmd_tirn = htobe32(tirn);
5142 
5143 	mcx_cmdq_post(sc, cqe, 0);
5144 	error = mcx_cmdq_poll(sc, cqe, 1000);
5145 	if (error != 0) {
5146 		printf("%s: destroy tir timeout\n", DEVNAME(sc));
5147 		return error;
5148 	}
5149 	if (mcx_cmdq_verify(cqe) != 0) {
5150 		printf("%s: destroy tir command corrupt\n", DEVNAME(sc));
5151 		return error;
5152 	}
5153 
5154 	out = mcx_cmdq_out(cqe);
5155 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
5156 		printf("%s: destroy tir failed (%x, %x)\n", DEVNAME(sc),
5157 		    out->cmd_status, be32toh(out->cmd_syndrome));
5158 		return -1;
5159 	}
5160 
5161 	return (0);
5162 }
5163 
5164 static int
5165 mcx_create_sq(struct mcx_softc *sc, struct mcx_tx *tx, int uar, int db,
5166     int cqn)
5167 {
5168 	struct mcx_cmdq_entry *cqe;
5169 	struct mcx_dmamem mxm;
5170 	struct mcx_cmd_create_sq_in *in;
5171 	struct mcx_sq_ctx *mbin;
5172 	struct mcx_cmd_create_sq_out *out;
5173 	int error;
5174 	uint64_t *pas;
5175 	int insize, npages, paslen, token;
5176 
5177 	tx->tx_doorbell = MCX_WQ_DOORBELL_BASE +
5178 	    (db * MCX_WQ_DOORBELL_STRIDE) + 4;
5179 
5180 	npages = howmany((1 << MCX_LOG_SQ_SIZE) * sizeof(struct mcx_sq_entry),
5181 	    MCX_PAGE_SIZE);
5182 	paslen = npages * sizeof(*pas);
5183 	insize = sizeof(struct mcx_sq_ctx) + paslen;
5184 
5185 	if (mcx_dmamem_alloc(sc, &tx->tx_sq_mem, npages * MCX_PAGE_SIZE,
5186 	    MCX_PAGE_SIZE) != 0) {
5187 		printf("%s: unable to allocate send queue memory\n",
5188 		    DEVNAME(sc));
5189 		return (-1);
5190 	}
5191 
5192 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
5193 	token = mcx_cmdq_token(sc);
5194 	mcx_cmdq_init(sc, cqe, sizeof(*in) + insize + paslen, sizeof(*out),
5195 	    token);
5196 
5197 	in = mcx_cmdq_in(cqe);
5198 	in->cmd_opcode = htobe16(MCX_CMD_CREATE_SQ);
5199 	in->cmd_op_mod = htobe16(0);
5200 
5201 	if (mcx_cmdq_mboxes_alloc(sc, &mxm,
5202 	    howmany(insize, MCX_CMDQ_MAILBOX_DATASIZE),
5203 	    &cqe->cq_input_ptr, token) != 0) {
5204 		printf("%s: unable to allocate create sq mailboxen\n",
5205 		    DEVNAME(sc));
5206 		goto free_sq;
5207 	}
5208 	mbin = (struct mcx_sq_ctx *)
5209 	    (((char *)mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0))) + 0x10);
5210 	mbin->sq_flags = htobe32(MCX_SQ_CTX_RLKEY |
5211 	    (1 << MCX_SQ_CTX_MIN_WQE_INLINE_SHIFT));
5212 	mbin->sq_cqn = htobe32(cqn);
5213 	mbin->sq_tis_lst_sz = htobe32(1 << MCX_SQ_CTX_TIS_LST_SZ_SHIFT);
5214 	mbin->sq_tis_num = htobe32(sc->sc_tis);
5215 	mbin->sq_wq.wq_type = MCX_WQ_CTX_TYPE_CYCLIC;
5216 	mbin->sq_wq.wq_pd = htobe32(sc->sc_pd);
5217 	mbin->sq_wq.wq_uar_page = htobe32(uar);
5218 	mbin->sq_wq.wq_doorbell = htobe64(MCX_DMA_DVA(&sc->sc_doorbell_mem) +
5219 	    tx->tx_doorbell);
5220 	mbin->sq_wq.wq_log_stride = htobe16(MCX_LOG_SQ_ENTRY_SIZE);
5221 	mbin->sq_wq.wq_log_size = MCX_LOG_SQ_SIZE;
5222 
5223 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&tx->tx_sq_mem),
5224 	    0, MCX_DMA_LEN(&tx->tx_sq_mem), BUS_DMASYNC_PREWRITE);
5225 
5226 	/* physical addresses follow the mailbox in data */
5227 	mcx_cmdq_mboxes_pas(&mxm, sizeof(*mbin) + 0x10,
5228 	    npages, &tx->tx_sq_mem);
5229 	mcx_cmdq_post(sc, cqe, 0);
5230 
5231 	error = mcx_cmdq_poll(sc, cqe, 1000);
5232 	if (error != 0) {
5233 		printf("%s: create sq timeout\n", DEVNAME(sc));
5234 		goto free_mxm;
5235 	}
5236 	if (mcx_cmdq_verify(cqe) != 0) {
5237 		printf("%s: create sq command corrupt\n", DEVNAME(sc));
5238 		goto free_mxm;
5239 	}
5240 
5241 	out = mcx_cmdq_out(cqe);
5242 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
5243 		printf("%s: create sq failed (%x, %x)\n", DEVNAME(sc),
5244 		    out->cmd_status, be32toh(out->cmd_syndrome));
5245 		goto free_mxm;
5246 	}
5247 
5248 	tx->tx_uar = uar;
5249 	tx->tx_sqn = mcx_get_id(out->cmd_sqn);
5250 
5251 	mcx_dmamem_free(sc, &mxm);
5252 
5253 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&sc->sc_doorbell_mem),
5254 	    tx->tx_doorbell, sizeof(uint32_t), BUS_DMASYNC_PREWRITE);
5255 
5256 	return (0);
5257 
5258 free_mxm:
5259 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&tx->tx_sq_mem),
5260 	    0, MCX_DMA_LEN(&tx->tx_sq_mem), BUS_DMASYNC_POSTWRITE);
5261 	mcx_dmamem_free(sc, &mxm);
5262 free_sq:
5263 	mcx_dmamem_free(sc, &tx->tx_sq_mem);
5264 	return (-1);
5265 }
5266 
5267 static int
5268 mcx_destroy_sq(struct mcx_softc *sc, struct mcx_tx *tx)
5269 {
5270 	struct mcx_cmdq_entry *cqe;
5271 	struct mcx_cmd_destroy_sq_in *in;
5272 	struct mcx_cmd_destroy_sq_out *out;
5273 	int error;
5274 	int token;
5275 
5276 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
5277 	token = mcx_cmdq_token(sc);
5278 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), token);
5279 
5280 	in = mcx_cmdq_in(cqe);
5281 	in->cmd_opcode = htobe16(MCX_CMD_DESTROY_SQ);
5282 	in->cmd_op_mod = htobe16(0);
5283 	in->cmd_sqn = htobe32(tx->tx_sqn);
5284 
5285 	mcx_cmdq_post(sc, cqe, 0);
5286 	error = mcx_cmdq_poll(sc, cqe, 1000);
5287 	if (error != 0) {
5288 		printf("%s: destroy sq timeout\n", DEVNAME(sc));
5289 		return error;
5290 	}
5291 	if (mcx_cmdq_verify(cqe) != 0) {
5292 		printf("%s: destroy sq command corrupt\n", DEVNAME(sc));
5293 		return error;
5294 	}
5295 
5296 	out = mcx_cmdq_out(cqe);
5297 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
5298 		printf("%s: destroy sq failed (%x, %x)\n", DEVNAME(sc),
5299 		    out->cmd_status, be32toh(out->cmd_syndrome));
5300 		return -1;
5301 	}
5302 
5303 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&sc->sc_doorbell_mem),
5304 	    tx->tx_doorbell, sizeof(uint32_t), BUS_DMASYNC_POSTWRITE);
5305 
5306 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&tx->tx_sq_mem),
5307 	    0, MCX_DMA_LEN(&tx->tx_sq_mem), BUS_DMASYNC_POSTWRITE);
5308 	mcx_dmamem_free(sc, &tx->tx_sq_mem);
5309 
5310 	tx->tx_sqn = 0;
5311 	return 0;
5312 }
5313 
5314 static int
5315 mcx_ready_sq(struct mcx_softc *sc, struct mcx_tx *tx)
5316 {
5317 	struct mcx_cmdq_entry *cqe;
5318 	struct mcx_dmamem mxm;
5319 	struct mcx_cmd_modify_sq_in *in;
5320 	struct mcx_cmd_modify_sq_mb_in *mbin;
5321 	struct mcx_cmd_modify_sq_out *out;
5322 	int error;
5323 	int token;
5324 
5325 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
5326 	token = mcx_cmdq_token(sc);
5327 	mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin),
5328 	    sizeof(*out), token);
5329 
5330 	in = mcx_cmdq_in(cqe);
5331 	in->cmd_opcode = htobe16(MCX_CMD_MODIFY_SQ);
5332 	in->cmd_op_mod = htobe16(0);
5333 	in->cmd_sq_state = htobe32((MCX_QUEUE_STATE_RST << 28) | tx->tx_sqn);
5334 
5335 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1,
5336 	    &cqe->cq_input_ptr, token) != 0) {
5337 		printf("%s: unable to allocate modify sq mailbox\n",
5338 		    DEVNAME(sc));
5339 		return (-1);
5340 	}
5341 	mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
5342 	mbin->cmd_sq_ctx.sq_flags = htobe32(
5343 	    MCX_QUEUE_STATE_RDY << MCX_SQ_CTX_STATE_SHIFT);
5344 
5345 	mcx_cmdq_mboxes_sign(&mxm, 1);
5346 	mcx_cmdq_post(sc, cqe, 0);
5347 	error = mcx_cmdq_poll(sc, cqe, 1000);
5348 	if (error != 0) {
5349 		printf("%s: modify sq timeout\n", DEVNAME(sc));
5350 		goto free;
5351 	}
5352 	if (mcx_cmdq_verify(cqe) != 0) {
5353 		printf("%s: modify sq command corrupt\n", DEVNAME(sc));
5354 		goto free;
5355 	}
5356 
5357 	out = mcx_cmdq_out(cqe);
5358 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
5359 		printf("%s: modify sq failed (%x, %x)\n", DEVNAME(sc),
5360 		    out->cmd_status, be32toh(out->cmd_syndrome));
5361 		error = -1;
5362 		goto free;
5363 	}
5364 
5365 free:
5366 	mcx_dmamem_free(sc, &mxm);
5367 	return (error);
5368 }
5369 
5370 static int
5371 mcx_create_tis(struct mcx_softc *sc, int *tis)
5372 {
5373 	struct mcx_cmdq_entry *cqe;
5374 	struct mcx_dmamem mxm;
5375 	struct mcx_cmd_create_tis_in *in;
5376 	struct mcx_cmd_create_tis_mb_in *mbin;
5377 	struct mcx_cmd_create_tis_out *out;
5378 	int error;
5379 	int token;
5380 
5381 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
5382 	token = mcx_cmdq_token(sc);
5383 	mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin),
5384 	    sizeof(*out), token);
5385 
5386 	in = mcx_cmdq_in(cqe);
5387 	in->cmd_opcode = htobe16(MCX_CMD_CREATE_TIS);
5388 	in->cmd_op_mod = htobe16(0);
5389 
5390 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1,
5391 	    &cqe->cq_input_ptr, token) != 0) {
5392 		printf("%s: unable to allocate create tis mailbox\n",
5393 		    DEVNAME(sc));
5394 		return (-1);
5395 	}
5396 	mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
5397 	mbin->cmd_tdomain = htobe32(sc->sc_tdomain);
5398 
5399 	mcx_cmdq_mboxes_sign(&mxm, 1);
5400 	mcx_cmdq_post(sc, cqe, 0);
5401 	error = mcx_cmdq_poll(sc, cqe, 1000);
5402 	if (error != 0) {
5403 		printf("%s: create tis timeout\n", DEVNAME(sc));
5404 		goto free;
5405 	}
5406 	if (mcx_cmdq_verify(cqe) != 0) {
5407 		printf("%s: create tis command corrupt\n", DEVNAME(sc));
5408 		goto free;
5409 	}
5410 
5411 	out = mcx_cmdq_out(cqe);
5412 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
5413 		printf("%s: create tis failed (%x, %x)\n", DEVNAME(sc),
5414 		    out->cmd_status, be32toh(out->cmd_syndrome));
5415 		error = -1;
5416 		goto free;
5417 	}
5418 
5419 	*tis = mcx_get_id(out->cmd_tisn);
5420 free:
5421 	mcx_dmamem_free(sc, &mxm);
5422 	return (error);
5423 }
5424 
5425 static int
5426 mcx_destroy_tis(struct mcx_softc *sc, int tis)
5427 {
5428 	struct mcx_cmdq_entry *cqe;
5429 	struct mcx_cmd_destroy_tis_in *in;
5430 	struct mcx_cmd_destroy_tis_out *out;
5431 	int error;
5432 	int token;
5433 
5434 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
5435 	token = mcx_cmdq_token(sc);
5436 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), token);
5437 
5438 	in = mcx_cmdq_in(cqe);
5439 	in->cmd_opcode = htobe16(MCX_CMD_DESTROY_TIS);
5440 	in->cmd_op_mod = htobe16(0);
5441 	in->cmd_tisn = htobe32(tis);
5442 
5443 	mcx_cmdq_post(sc, cqe, 0);
5444 	error = mcx_cmdq_poll(sc, cqe, 1000);
5445 	if (error != 0) {
5446 		printf("%s: destroy tis timeout\n", DEVNAME(sc));
5447 		return error;
5448 	}
5449 	if (mcx_cmdq_verify(cqe) != 0) {
5450 		printf("%s: destroy tis command corrupt\n", DEVNAME(sc));
5451 		return error;
5452 	}
5453 
5454 	out = mcx_cmdq_out(cqe);
5455 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
5456 		printf("%s: destroy tis failed (%x, %x)\n", DEVNAME(sc),
5457 		    out->cmd_status, be32toh(out->cmd_syndrome));
5458 		return -1;
5459 	}
5460 
5461 	return 0;
5462 }
5463 
5464 static int
5465 mcx_create_rqt(struct mcx_softc *sc, int size, int *rqns, int *rqt)
5466 {
5467 	struct mcx_cmdq_entry *cqe;
5468 	struct mcx_dmamem mxm;
5469 	struct mcx_cmd_create_rqt_in *in;
5470 	struct mcx_cmd_create_rqt_mb_in *mbin;
5471 	struct mcx_cmd_create_rqt_out *out;
5472 	struct mcx_rqt_ctx *rqt_ctx;
5473 	int *rqtn;
5474 	int error;
5475 	int token;
5476 	int i;
5477 
5478 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
5479 	token = mcx_cmdq_token(sc);
5480 	mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin) +
5481 	    (size * sizeof(int)), sizeof(*out), token);
5482 
5483 	in = mcx_cmdq_in(cqe);
5484 	in->cmd_opcode = htobe16(MCX_CMD_CREATE_RQT);
5485 	in->cmd_op_mod = htobe16(0);
5486 
5487 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1,
5488 	    &cqe->cq_input_ptr, token) != 0) {
5489 		printf("%s: unable to allocate create rqt mailbox\n",
5490 		    DEVNAME(sc));
5491 		return (-1);
5492 	}
5493 	mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
5494 	rqt_ctx = &mbin->cmd_rqt;
5495 	rqt_ctx->cmd_rqt_max_size = htobe16(sc->sc_max_rqt_size);
5496 	rqt_ctx->cmd_rqt_actual_size = htobe16(size);
5497 
5498 	/* rqt list follows the rqt context */
5499 	rqtn = (int *)(rqt_ctx + 1);
5500 	for (i = 0; i < size; i++) {
5501 		rqtn[i] = htobe32(rqns[i]);
5502 	}
5503 
5504 	mcx_cmdq_mboxes_sign(&mxm, 1);
5505 	mcx_cmdq_post(sc, cqe, 0);
5506 	error = mcx_cmdq_poll(sc, cqe, 1000);
5507 	if (error != 0) {
5508 		printf("%s: create rqt timeout\n", DEVNAME(sc));
5509 		goto free;
5510 	}
5511 	if (mcx_cmdq_verify(cqe) != 0) {
5512 		printf("%s: create rqt command corrupt\n", DEVNAME(sc));
5513 		goto free;
5514 	}
5515 
5516 	out = mcx_cmdq_out(cqe);
5517 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
5518 		printf("%s: create rqt failed (%x, %x)\n", DEVNAME(sc),
5519 		    out->cmd_status, be32toh(out->cmd_syndrome));
5520 		error = -1;
5521 		goto free;
5522 	}
5523 
5524 	*rqt = mcx_get_id(out->cmd_rqtn);
5525 	return (0);
5526 free:
5527 	mcx_dmamem_free(sc, &mxm);
5528 	return (error);
5529 }
5530 
5531 static int
5532 mcx_destroy_rqt(struct mcx_softc *sc, int rqt)
5533 {
5534 	struct mcx_cmdq_entry *cqe;
5535 	struct mcx_cmd_destroy_rqt_in *in;
5536 	struct mcx_cmd_destroy_rqt_out *out;
5537 	int error;
5538 	int token;
5539 
5540 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
5541 	token = mcx_cmdq_token(sc);
5542 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), token);
5543 
5544 	in = mcx_cmdq_in(cqe);
5545 	in->cmd_opcode = htobe16(MCX_CMD_DESTROY_RQT);
5546 	in->cmd_op_mod = htobe16(0);
5547 	in->cmd_rqtn = htobe32(rqt);
5548 
5549 	mcx_cmdq_post(sc, cqe, 0);
5550 	error = mcx_cmdq_poll(sc, cqe, 1000);
5551 	if (error != 0) {
5552 		printf("%s: destroy rqt timeout\n", DEVNAME(sc));
5553 		return error;
5554 	}
5555 	if (mcx_cmdq_verify(cqe) != 0) {
5556 		printf("%s: destroy rqt command corrupt\n", DEVNAME(sc));
5557 		return error;
5558 	}
5559 
5560 	out = mcx_cmdq_out(cqe);
5561 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
5562 		printf("%s: destroy rqt failed (%x, %x)\n", DEVNAME(sc),
5563 		    out->cmd_status, be32toh(out->cmd_syndrome));
5564 		return -1;
5565 	}
5566 
5567 	return 0;
5568 }
5569 
5570 #if 0
5571 static int
5572 mcx_alloc_flow_counter(struct mcx_softc *sc, int i)
5573 {
5574 	struct mcx_cmdq_entry *cqe;
5575 	struct mcx_cmd_alloc_flow_counter_in *in;
5576 	struct mcx_cmd_alloc_flow_counter_out *out;
5577 	int error;
5578 
5579 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
5580 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), mcx_cmdq_token(sc));
5581 
5582 	in = mcx_cmdq_in(cqe);
5583 	in->cmd_opcode = htobe16(MCX_CMD_ALLOC_FLOW_COUNTER);
5584 	in->cmd_op_mod = htobe16(0);
5585 
5586 	mcx_cmdq_post(sc, cqe, 0);
5587 
5588 	error = mcx_cmdq_poll(sc, cqe, 1000);
5589 	if (error != 0) {
5590 		printf("%s: alloc flow counter timeout\n", DEVNAME(sc));
5591 		return (-1);
5592 	}
5593 	if (mcx_cmdq_verify(cqe) != 0) {
5594 		printf("%s: alloc flow counter command corrupt\n", DEVNAME(sc));
5595 		return (-1);
5596 	}
5597 
5598 	out = (struct mcx_cmd_alloc_flow_counter_out *)cqe->cq_output_data;
5599 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
5600 		printf("%s: alloc flow counter failed (%x)\n", DEVNAME(sc),
5601 		    out->cmd_status);
5602 		return (-1);
5603 	}
5604 
5605 	sc->sc_flow_counter_id[i]  = be16toh(out->cmd_flow_counter_id);
5606 	printf("flow counter id %d = %d\n", i, sc->sc_flow_counter_id[i]);
5607 
5608 	return (0);
5609 }
5610 #endif
5611 
5612 static int
5613 mcx_create_flow_table(struct mcx_softc *sc, int log_size, int level,
5614     int *flow_table_id)
5615 {
5616 	struct mcx_cmdq_entry *cqe;
5617 	struct mcx_dmamem mxm;
5618 	struct mcx_cmd_create_flow_table_in *in;
5619 	struct mcx_cmd_create_flow_table_mb_in *mbin;
5620 	struct mcx_cmd_create_flow_table_out *out;
5621 	int error;
5622 	int token;
5623 
5624 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
5625 	token = mcx_cmdq_token(sc);
5626 	mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin),
5627 	    sizeof(*out), token);
5628 
5629 	in = mcx_cmdq_in(cqe);
5630 	in->cmd_opcode = htobe16(MCX_CMD_CREATE_FLOW_TABLE);
5631 	in->cmd_op_mod = htobe16(0);
5632 
5633 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1,
5634 	    &cqe->cq_input_ptr, token) != 0) {
5635 		printf("%s: unable to allocate create flow table mailbox\n",
5636 		    DEVNAME(sc));
5637 		return (-1);
5638 	}
5639 	mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
5640 	mbin->cmd_table_type = MCX_FLOW_TABLE_TYPE_RX;
5641 	mbin->cmd_ctx.ft_log_size = log_size;
5642 	mbin->cmd_ctx.ft_level = level;
5643 
5644 	mcx_cmdq_mboxes_sign(&mxm, 1);
5645 	mcx_cmdq_post(sc, cqe, 0);
5646 	error = mcx_cmdq_poll(sc, cqe, 1000);
5647 	if (error != 0) {
5648 		printf("%s: create flow table timeout\n", DEVNAME(sc));
5649 		goto free;
5650 	}
5651 	if (mcx_cmdq_verify(cqe) != 0) {
5652 		printf("%s: create flow table command corrupt\n", DEVNAME(sc));
5653 		goto free;
5654 	}
5655 
5656 	out = mcx_cmdq_out(cqe);
5657 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
5658 		printf("%s: create flow table failed (%x, %x)\n", DEVNAME(sc),
5659 		    out->cmd_status, be32toh(out->cmd_syndrome));
5660 		error = -1;
5661 		goto free;
5662 	}
5663 
5664 	*flow_table_id = mcx_get_id(out->cmd_table_id);
5665 free:
5666 	mcx_dmamem_free(sc, &mxm);
5667 	return (error);
5668 }
5669 
5670 static int
5671 mcx_set_flow_table_root(struct mcx_softc *sc, int flow_table_id)
5672 {
5673 	struct mcx_cmdq_entry *cqe;
5674 	struct mcx_dmamem mxm;
5675 	struct mcx_cmd_set_flow_table_root_in *in;
5676 	struct mcx_cmd_set_flow_table_root_mb_in *mbin;
5677 	struct mcx_cmd_set_flow_table_root_out *out;
5678 	int error;
5679 	int token;
5680 
5681 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
5682 	token = mcx_cmdq_token(sc);
5683 	mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin),
5684 	    sizeof(*out), token);
5685 
5686 	in = mcx_cmdq_in(cqe);
5687 	in->cmd_opcode = htobe16(MCX_CMD_SET_FLOW_TABLE_ROOT);
5688 	in->cmd_op_mod = htobe16(0);
5689 
5690 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1,
5691 	    &cqe->cq_input_ptr, token) != 0) {
5692 		printf("%s: unable to allocate set flow table root mailbox\n",
5693 		    DEVNAME(sc));
5694 		return (-1);
5695 	}
5696 	mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
5697 	mbin->cmd_table_type = MCX_FLOW_TABLE_TYPE_RX;
5698 	mbin->cmd_table_id = htobe32(flow_table_id);
5699 
5700 	mcx_cmdq_mboxes_sign(&mxm, 1);
5701 	mcx_cmdq_post(sc, cqe, 0);
5702 	error = mcx_cmdq_poll(sc, cqe, 1000);
5703 	if (error != 0) {
5704 		printf("%s: set flow table root timeout\n", DEVNAME(sc));
5705 		goto free;
5706 	}
5707 	if (mcx_cmdq_verify(cqe) != 0) {
5708 		printf("%s: set flow table root command corrupt\n",
5709 		    DEVNAME(sc));
5710 		goto free;
5711 	}
5712 
5713 	out = mcx_cmdq_out(cqe);
5714 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
5715 		printf("%s: set flow table root failed (%x, %x)\n",
5716 		    DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome));
5717 		error = -1;
5718 		goto free;
5719 	}
5720 
5721 free:
5722 	mcx_dmamem_free(sc, &mxm);
5723 	return (error);
5724 }
5725 
5726 static int
5727 mcx_destroy_flow_table(struct mcx_softc *sc, int flow_table_id)
5728 {
5729 	struct mcx_cmdq_entry *cqe;
5730 	struct mcx_dmamem mxm;
5731 	struct mcx_cmd_destroy_flow_table_in *in;
5732 	struct mcx_cmd_destroy_flow_table_mb_in *mb;
5733 	struct mcx_cmd_destroy_flow_table_out *out;
5734 	int error;
5735 	int token;
5736 
5737 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
5738 	token = mcx_cmdq_token(sc);
5739 	mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mb), sizeof(*out), token);
5740 
5741 	in = mcx_cmdq_in(cqe);
5742 	in->cmd_opcode = htobe16(MCX_CMD_DESTROY_FLOW_TABLE);
5743 	in->cmd_op_mod = htobe16(0);
5744 
5745 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1,
5746 	    &cqe->cq_input_ptr, token) != 0) {
5747 		printf("%s: unable to allocate destroy flow table mailbox\n",
5748 		    DEVNAME(sc));
5749 		return (-1);
5750 	}
5751 	mb = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
5752 	mb->cmd_table_type = MCX_FLOW_TABLE_TYPE_RX;
5753 	mb->cmd_table_id = htobe32(flow_table_id);
5754 
5755 	mcx_cmdq_mboxes_sign(&mxm, 1);
5756 	mcx_cmdq_post(sc, cqe, 0);
5757 	error = mcx_cmdq_poll(sc, cqe, 1000);
5758 	if (error != 0) {
5759 		printf("%s: destroy flow table timeout\n", DEVNAME(sc));
5760 		goto free;
5761 	}
5762 	if (mcx_cmdq_verify(cqe) != 0) {
5763 		printf("%s: destroy flow table command corrupt\n",
5764 		    DEVNAME(sc));
5765 		goto free;
5766 	}
5767 
5768 	out = mcx_cmdq_out(cqe);
5769 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
5770 		printf("%s: destroy flow table failed (%x, %x)\n", DEVNAME(sc),
5771 		    out->cmd_status, be32toh(out->cmd_syndrome));
5772 		error = -1;
5773 		goto free;
5774 	}
5775 
5776 free:
5777 	mcx_dmamem_free(sc, &mxm);
5778 	return (error);
5779 }
5780 
5781 
5782 static int
5783 mcx_create_flow_group(struct mcx_softc *sc, int flow_table_id, int group,
5784     int start, int size, int match_enable, struct mcx_flow_match *match)
5785 {
5786 	struct mcx_cmdq_entry *cqe;
5787 	struct mcx_dmamem mxm;
5788 	struct mcx_cmd_create_flow_group_in *in;
5789 	struct mcx_cmd_create_flow_group_mb_in *mbin;
5790 	struct mcx_cmd_create_flow_group_out *out;
5791 	struct mcx_flow_group *mfg;
5792 	int error;
5793 	int token;
5794 
5795 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
5796 	token = mcx_cmdq_token(sc);
5797 	mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin), sizeof(*out),
5798 	    token);
5799 
5800 	in = mcx_cmdq_in(cqe);
5801 	in->cmd_opcode = htobe16(MCX_CMD_CREATE_FLOW_GROUP);
5802 	in->cmd_op_mod = htobe16(0);
5803 
5804 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 2, &cqe->cq_input_ptr, token)
5805 	    != 0) {
5806 		printf("%s: unable to allocate create flow group mailbox\n",
5807 		    DEVNAME(sc));
5808 		return (-1);
5809 	}
5810 	mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
5811 	mbin->cmd_table_type = MCX_FLOW_TABLE_TYPE_RX;
5812 	mbin->cmd_table_id = htobe32(flow_table_id);
5813 	mbin->cmd_start_flow_index = htobe32(start);
5814 	mbin->cmd_end_flow_index = htobe32(start + (size - 1));
5815 
5816 	mbin->cmd_match_criteria_enable = match_enable;
5817 	memcpy(&mbin->cmd_match_criteria, match, sizeof(*match));
5818 
5819 	mcx_cmdq_mboxes_sign(&mxm, 2);
5820 	mcx_cmdq_post(sc, cqe, 0);
5821 	error = mcx_cmdq_poll(sc, cqe, 1000);
5822 	if (error != 0) {
5823 		printf("%s: create flow group timeout\n", DEVNAME(sc));
5824 		goto free;
5825 	}
5826 	if (mcx_cmdq_verify(cqe) != 0) {
5827 		printf("%s: create flow group command corrupt\n", DEVNAME(sc));
5828 		goto free;
5829 	}
5830 
5831 	out = mcx_cmdq_out(cqe);
5832 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
5833 		printf("%s: create flow group failed (%x, %x)\n", DEVNAME(sc),
5834 		    out->cmd_status, be32toh(out->cmd_syndrome));
5835 		error = -1;
5836 		goto free;
5837 	}
5838 
5839 	mfg = &sc->sc_flow_group[group];
5840 	mfg->g_id = mcx_get_id(out->cmd_group_id);
5841 	mfg->g_table = flow_table_id;
5842 	mfg->g_start = start;
5843 	mfg->g_size = size;
5844 
5845 free:
5846 	mcx_dmamem_free(sc, &mxm);
5847 	return (error);
5848 }
5849 
5850 static int
5851 mcx_destroy_flow_group(struct mcx_softc *sc, int group)
5852 {
5853 	struct mcx_cmdq_entry *cqe;
5854 	struct mcx_dmamem mxm;
5855 	struct mcx_cmd_destroy_flow_group_in *in;
5856 	struct mcx_cmd_destroy_flow_group_mb_in *mb;
5857 	struct mcx_cmd_destroy_flow_group_out *out;
5858 	struct mcx_flow_group *mfg;
5859 	int error;
5860 	int token;
5861 
5862 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
5863 	token = mcx_cmdq_token(sc);
5864 	mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mb), sizeof(*out), token);
5865 
5866 	in = mcx_cmdq_in(cqe);
5867 	in->cmd_opcode = htobe16(MCX_CMD_DESTROY_FLOW_GROUP);
5868 	in->cmd_op_mod = htobe16(0);
5869 
5870 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 2,
5871 	    &cqe->cq_input_ptr, token) != 0) {
5872 		printf("%s: unable to allocate destroy flow group mailbox\n",
5873 		    DEVNAME(sc));
5874 		return (-1);
5875 	}
5876 	mb = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
5877 	mb->cmd_table_type = MCX_FLOW_TABLE_TYPE_RX;
5878 	mfg = &sc->sc_flow_group[group];
5879 	mb->cmd_table_id = htobe32(mfg->g_table);
5880 	mb->cmd_group_id = htobe32(mfg->g_id);
5881 
5882 	mcx_cmdq_mboxes_sign(&mxm, 2);
5883 	mcx_cmdq_post(sc, cqe, 0);
5884 	error = mcx_cmdq_poll(sc, cqe, 1000);
5885 	if (error != 0) {
5886 		printf("%s: destroy flow group timeout\n", DEVNAME(sc));
5887 		goto free;
5888 	}
5889 	if (mcx_cmdq_verify(cqe) != 0) {
5890 		printf("%s: destroy flow group command corrupt\n", DEVNAME(sc));
5891 		goto free;
5892 	}
5893 
5894 	out = mcx_cmdq_out(cqe);
5895 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
5896 		printf("%s: destroy flow group failed (%x, %x)\n", DEVNAME(sc),
5897 		    out->cmd_status, be32toh(out->cmd_syndrome));
5898 		error = -1;
5899 		goto free;
5900 	}
5901 
5902 	mfg->g_id = -1;
5903 	mfg->g_table = -1;
5904 	mfg->g_size = 0;
5905 	mfg->g_start = 0;
5906 free:
5907 	mcx_dmamem_free(sc, &mxm);
5908 	return (error);
5909 }
5910 
5911 static int
5912 mcx_set_flow_table_entry_mac(struct mcx_softc *sc, int group, int index,
5913     const uint8_t *macaddr, uint32_t dest)
5914 {
5915 	struct mcx_cmdq_entry *cqe;
5916 	struct mcx_dmamem mxm;
5917 	struct mcx_cmd_set_flow_table_entry_in *in;
5918 	struct mcx_cmd_set_flow_table_entry_mb_in *mbin;
5919 	struct mcx_cmd_set_flow_table_entry_out *out;
5920 	struct mcx_flow_group *mfg;
5921 	uint32_t *pdest;
5922 	int error;
5923 	int token;
5924 
5925 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
5926 	token = mcx_cmdq_token(sc);
5927 	mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin) + sizeof(*pdest),
5928 	    sizeof(*out), token);
5929 
5930 	in = mcx_cmdq_in(cqe);
5931 	in->cmd_opcode = htobe16(MCX_CMD_SET_FLOW_TABLE_ENTRY);
5932 	in->cmd_op_mod = htobe16(0);
5933 
5934 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 2, &cqe->cq_input_ptr, token)
5935 	    != 0) {
5936 		printf("%s: unable to allocate set flow table entry mailbox\n",
5937 		    DEVNAME(sc));
5938 		return (-1);
5939 	}
5940 
5941 	mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
5942 	mbin->cmd_table_type = MCX_FLOW_TABLE_TYPE_RX;
5943 
5944 	mfg = &sc->sc_flow_group[group];
5945 	mbin->cmd_table_id = htobe32(mfg->g_table);
5946 	mbin->cmd_flow_index = htobe32(mfg->g_start + index);
5947 	mbin->cmd_flow_ctx.fc_group_id = htobe32(mfg->g_id);
5948 
5949 	/* flow context ends at offset 0x330, 0x130 into the second mbox */
5950 	pdest = (uint32_t *)
5951 	    (((char *)mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 1))) + 0x130);
5952 	mbin->cmd_flow_ctx.fc_action = htobe32(MCX_FLOW_CONTEXT_ACTION_FORWARD);
5953 	mbin->cmd_flow_ctx.fc_dest_list_size = htobe32(1);
5954 	*pdest = htobe32(dest);
5955 
5956 	/* the only thing we match on at the moment is the dest mac address */
5957 	if (macaddr != NULL) {
5958 		memcpy(mbin->cmd_flow_ctx.fc_match_value.mc_dest_mac, macaddr,
5959 		    ETHER_ADDR_LEN);
5960 	}
5961 
5962 	mcx_cmdq_mboxes_sign(&mxm, 2);
5963 	mcx_cmdq_post(sc, cqe, 0);
5964 	error = mcx_cmdq_poll(sc, cqe, 1000);
5965 	if (error != 0) {
5966 		printf("%s: set flow table entry timeout\n", DEVNAME(sc));
5967 		goto free;
5968 	}
5969 	if (mcx_cmdq_verify(cqe) != 0) {
5970 		printf("%s: set flow table entry command corrupt\n",
5971 		    DEVNAME(sc));
5972 		goto free;
5973 	}
5974 
5975 	out = mcx_cmdq_out(cqe);
5976 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
5977 		printf("%s: set flow table entry failed (%x, %x)\n",
5978 		    DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome));
5979 		error = -1;
5980 		goto free;
5981 	}
5982 
5983 free:
5984 	mcx_dmamem_free(sc, &mxm);
5985 	return (error);
5986 }
5987 
5988 static int
5989 mcx_set_flow_table_entry_proto(struct mcx_softc *sc, int group, int index,
5990     int ethertype, int ip_proto, uint32_t dest)
5991 {
5992 	struct mcx_cmdq_entry *cqe;
5993 	struct mcx_dmamem mxm;
5994 	struct mcx_cmd_set_flow_table_entry_in *in;
5995 	struct mcx_cmd_set_flow_table_entry_mb_in *mbin;
5996 	struct mcx_cmd_set_flow_table_entry_out *out;
5997 	struct mcx_flow_group *mfg;
5998 	uint32_t *pdest;
5999 	int error;
6000 	int token;
6001 
6002 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
6003 	token = mcx_cmdq_token(sc);
6004 	mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin) + sizeof(*pdest),
6005 	    sizeof(*out), token);
6006 
6007 	in = mcx_cmdq_in(cqe);
6008 	in->cmd_opcode = htobe16(MCX_CMD_SET_FLOW_TABLE_ENTRY);
6009 	in->cmd_op_mod = htobe16(0);
6010 
6011 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 2, &cqe->cq_input_ptr, token)
6012 	    != 0) {
6013 		printf("%s: unable to allocate set flow table entry mailbox\n",
6014 		    DEVNAME(sc));
6015 		return (-1);
6016 	}
6017 
6018 	mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
6019 	mbin->cmd_table_type = MCX_FLOW_TABLE_TYPE_RX;
6020 
6021 	mfg = &sc->sc_flow_group[group];
6022 	mbin->cmd_table_id = htobe32(mfg->g_table);
6023 	mbin->cmd_flow_index = htobe32(mfg->g_start + index);
6024 	mbin->cmd_flow_ctx.fc_group_id = htobe32(mfg->g_id);
6025 
6026 	/* flow context ends at offset 0x330, 0x130 into the second mbox */
6027 	pdest = (uint32_t *)
6028 	    (((char *)mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 1))) + 0x130);
6029 	mbin->cmd_flow_ctx.fc_action = htobe32(MCX_FLOW_CONTEXT_ACTION_FORWARD);
6030 	mbin->cmd_flow_ctx.fc_dest_list_size = htobe32(1);
6031 	*pdest = htobe32(dest);
6032 
6033 	mbin->cmd_flow_ctx.fc_match_value.mc_ethertype = htobe16(ethertype);
6034 	mbin->cmd_flow_ctx.fc_match_value.mc_ip_proto = ip_proto;
6035 
6036 	mcx_cmdq_mboxes_sign(&mxm, 2);
6037 	mcx_cmdq_post(sc, cqe, 0);
6038 	error = mcx_cmdq_poll(sc, cqe, 1000);
6039 	if (error != 0) {
6040 		printf("%s: set flow table entry timeout\n", DEVNAME(sc));
6041 		goto free;
6042 	}
6043 	if (mcx_cmdq_verify(cqe) != 0) {
6044 		printf("%s: set flow table entry command corrupt\n",
6045 		    DEVNAME(sc));
6046 		goto free;
6047 	}
6048 
6049 	out = mcx_cmdq_out(cqe);
6050 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
6051 		printf("%s: set flow table entry failed (%x, %x)\n",
6052 		    DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome));
6053 		error = -1;
6054 		goto free;
6055 	}
6056 
6057 free:
6058 	mcx_dmamem_free(sc, &mxm);
6059 	return (error);
6060 }
6061 
6062 static int
6063 mcx_delete_flow_table_entry(struct mcx_softc *sc, int group, int index)
6064 {
6065 	struct mcx_cmdq_entry *cqe;
6066 	struct mcx_dmamem mxm;
6067 	struct mcx_cmd_delete_flow_table_entry_in *in;
6068 	struct mcx_cmd_delete_flow_table_entry_mb_in *mbin;
6069 	struct mcx_cmd_delete_flow_table_entry_out *out;
6070 	struct mcx_flow_group *mfg;
6071 	int error;
6072 	int token;
6073 
6074 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
6075 	token = mcx_cmdq_token(sc);
6076 	mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin), sizeof(*out),
6077 	    token);
6078 
6079 	in = mcx_cmdq_in(cqe);
6080 	in->cmd_opcode = htobe16(MCX_CMD_DELETE_FLOW_TABLE_ENTRY);
6081 	in->cmd_op_mod = htobe16(0);
6082 
6083 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 2,
6084 	    &cqe->cq_input_ptr, token) != 0) {
6085 		printf("%s: unable to allocate "
6086 		    "delete flow table entry mailbox\n", DEVNAME(sc));
6087 		return (-1);
6088 	}
6089 	mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
6090 	mbin->cmd_table_type = MCX_FLOW_TABLE_TYPE_RX;
6091 
6092 	mfg = &sc->sc_flow_group[group];
6093 	mbin->cmd_table_id = htobe32(mfg->g_table);
6094 	mbin->cmd_flow_index = htobe32(mfg->g_start + index);
6095 
6096 	mcx_cmdq_mboxes_sign(&mxm, 2);
6097 	mcx_cmdq_post(sc, cqe, 0);
6098 	error = mcx_cmdq_poll(sc, cqe, 1000);
6099 	if (error != 0) {
6100 		printf("%s: delete flow table entry timeout\n", DEVNAME(sc));
6101 		goto free;
6102 	}
6103 	if (mcx_cmdq_verify(cqe) != 0) {
6104 		printf("%s: delete flow table entry command corrupt\n",
6105 		    DEVNAME(sc));
6106 		goto free;
6107 	}
6108 
6109 	out = mcx_cmdq_out(cqe);
6110 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
6111 		printf("%s: delete flow table entry %d:%d failed (%x, %x)\n",
6112 		    DEVNAME(sc), group, index, out->cmd_status,
6113 		    be32toh(out->cmd_syndrome));
6114 		error = -1;
6115 		goto free;
6116 	}
6117 
6118 free:
6119 	mcx_dmamem_free(sc, &mxm);
6120 	return (error);
6121 }
6122 
6123 #if 0
6124 int
6125 mcx_dump_flow_table(struct mcx_softc *sc, int flow_table_id)
6126 {
6127 	struct mcx_dmamem mxm;
6128 	struct mcx_cmdq_entry *cqe;
6129 	struct mcx_cmd_query_flow_table_in *in;
6130 	struct mcx_cmd_query_flow_table_mb_in *mbin;
6131 	struct mcx_cmd_query_flow_table_out *out;
6132 	struct mcx_cmd_query_flow_table_mb_out *mbout;
6133 	uint8_t token = mcx_cmdq_token(sc);
6134 	int error;
6135 	int i;
6136 	uint8_t *dump;
6137 
6138 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
6139 	mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin),
6140 	    sizeof(*out) + sizeof(*mbout) + 16, token);
6141 
6142 	in = mcx_cmdq_in(cqe);
6143 	in->cmd_opcode = htobe16(MCX_CMD_QUERY_FLOW_TABLE);
6144 	in->cmd_op_mod = htobe16(0);
6145 
6146 	CTASSERT(sizeof(*mbin) <= MCX_CMDQ_MAILBOX_DATASIZE);
6147 	CTASSERT(sizeof(*mbout) <= MCX_CMDQ_MAILBOX_DATASIZE);
6148 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 2,
6149 	    &cqe->cq_output_ptr, token) != 0) {
6150 		printf(", unable to allocate query flow table mailboxes\n");
6151 		return (-1);
6152 	}
6153 	cqe->cq_input_ptr = cqe->cq_output_ptr;
6154 
6155 	mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
6156 	mbin->cmd_table_type = 0;
6157 	mbin->cmd_table_id = htobe32(flow_table_id);
6158 
6159 	mcx_cmdq_mboxes_sign(&mxm, 1);
6160 
6161 	mcx_cmdq_post(sc, cqe, 0);
6162 	error = mcx_cmdq_poll(sc, cqe, 1000);
6163 	if (error != 0) {
6164 		printf("%s: query flow table timeout\n", DEVNAME(sc));
6165 		goto free;
6166 	}
6167 	error = mcx_cmdq_verify(cqe);
6168 	if (error != 0) {
6169 		printf("%s: query flow table reply corrupt\n", DEVNAME(sc));
6170 		goto free;
6171 	}
6172 
6173 	out = mcx_cmdq_out(cqe);
6174 	switch (out->cmd_status) {
6175 	case MCX_CQ_STATUS_OK:
6176 		break;
6177 	default:
6178 		printf("%s: query flow table failed (%x/%x)\n", DEVNAME(sc),
6179 		    out->cmd_status, be32toh(out->cmd_syndrome));
6180 		error = -1;
6181 		goto free;
6182 	}
6183 
6184         mbout = (struct mcx_cmd_query_flow_table_mb_out *)
6185 	    (mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)));
6186 	dump = (uint8_t *)mbout + 8;
6187 	for (i = 0; i < sizeof(struct mcx_flow_table_ctx); i++) {
6188 		printf("%.2x ", dump[i]);
6189 		if (i % 16 == 15)
6190 			printf("\n");
6191 	}
6192 free:
6193 	mcx_cq_mboxes_free(sc, &mxm);
6194 	return (error);
6195 }
6196 int
6197 mcx_dump_flow_table_entry(struct mcx_softc *sc, int flow_table_id, int index)
6198 {
6199 	struct mcx_dmamem mxm;
6200 	struct mcx_cmdq_entry *cqe;
6201 	struct mcx_cmd_query_flow_table_entry_in *in;
6202 	struct mcx_cmd_query_flow_table_entry_mb_in *mbin;
6203 	struct mcx_cmd_query_flow_table_entry_out *out;
6204 	struct mcx_cmd_query_flow_table_entry_mb_out *mbout;
6205 	uint8_t token = mcx_cmdq_token(sc);
6206 	int error;
6207 	int i;
6208 	uint8_t *dump;
6209 
6210 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
6211 	mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin),
6212 	    sizeof(*out) + sizeof(*mbout) + 16, token);
6213 
6214 	in = mcx_cmdq_in(cqe);
6215 	in->cmd_opcode = htobe16(MCX_CMD_QUERY_FLOW_TABLE_ENTRY);
6216 	in->cmd_op_mod = htobe16(0);
6217 
6218 	CTASSERT(sizeof(*mbin) <= MCX_CMDQ_MAILBOX_DATASIZE);
6219 	CTASSERT(sizeof(*mbout) <= MCX_CMDQ_MAILBOX_DATASIZE*2);
6220 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 2,
6221 	    &cqe->cq_output_ptr, token) != 0) {
6222 		printf(", unable to allocate "
6223 		    "query flow table entry mailboxes\n");
6224 		return (-1);
6225 	}
6226 	cqe->cq_input_ptr = cqe->cq_output_ptr;
6227 
6228 	mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
6229 	mbin->cmd_table_type = 0;
6230 	mbin->cmd_table_id = htobe32(flow_table_id);
6231 	mbin->cmd_flow_index = htobe32(index);
6232 
6233 	mcx_cmdq_mboxes_sign(&mxm, 1);
6234 
6235 	mcx_cmdq_post(sc, cqe, 0);
6236 	error = mcx_cmdq_poll(sc, cqe, 1000);
6237 	if (error != 0) {
6238 		printf("%s: query flow table entry timeout\n", DEVNAME(sc));
6239 		goto free;
6240 	}
6241 	error = mcx_cmdq_verify(cqe);
6242 	if (error != 0) {
6243 		printf("%s: query flow table entry reply corrupt\n",
6244 		    DEVNAME(sc));
6245 		goto free;
6246 	}
6247 
6248 	out = mcx_cmdq_out(cqe);
6249 	switch (out->cmd_status) {
6250 	case MCX_CQ_STATUS_OK:
6251 		break;
6252 	default:
6253 		printf("%s: query flow table entry failed (%x/%x)\n",
6254 		    DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome));
6255 		error = -1;
6256 		goto free;
6257 	}
6258 
6259         mbout = (struct mcx_cmd_query_flow_table_entry_mb_out *)
6260 	    (mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)));
6261 	dump = (uint8_t *)mbout;
6262 	for (i = 0; i < MCX_CMDQ_MAILBOX_DATASIZE; i++) {
6263 		printf("%.2x ", dump[i]);
6264 		if (i % 16 == 15)
6265 			printf("\n");
6266 	}
6267 
6268 free:
6269 	mcx_cq_mboxes_free(sc, &mxm);
6270 	return (error);
6271 }
6272 
6273 int
6274 mcx_dump_flow_group(struct mcx_softc *sc, int flow_table_id)
6275 {
6276 	struct mcx_dmamem mxm;
6277 	struct mcx_cmdq_entry *cqe;
6278 	struct mcx_cmd_query_flow_group_in *in;
6279 	struct mcx_cmd_query_flow_group_mb_in *mbin;
6280 	struct mcx_cmd_query_flow_group_out *out;
6281 	struct mcx_cmd_query_flow_group_mb_out *mbout;
6282 	uint8_t token = mcx_cmdq_token(sc);
6283 	int error;
6284 	int i;
6285 	uint8_t *dump;
6286 
6287 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
6288 	mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin),
6289 	    sizeof(*out) + sizeof(*mbout) + 16, token);
6290 
6291 	in = mcx_cmdq_in(cqe);
6292 	in->cmd_opcode = htobe16(MCX_CMD_QUERY_FLOW_GROUP);
6293 	in->cmd_op_mod = htobe16(0);
6294 
6295 	CTASSERT(sizeof(*mbin) <= MCX_CMDQ_MAILBOX_DATASIZE);
6296 	CTASSERT(sizeof(*mbout) <= MCX_CMDQ_MAILBOX_DATASIZE*2);
6297 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 2,
6298 	    &cqe->cq_output_ptr, token) != 0) {
6299 		printf(", unable to allocate query flow group mailboxes\n");
6300 		return (-1);
6301 	}
6302 	cqe->cq_input_ptr = cqe->cq_output_ptr;
6303 
6304 	mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
6305 	mbin->cmd_table_type = 0;
6306 	mbin->cmd_table_id = htobe32(flow_table_id);
6307 	mbin->cmd_group_id = htobe32(sc->sc_flow_group_id);
6308 
6309 	mcx_cmdq_mboxes_sign(&mxm, 1);
6310 
6311 	mcx_cmdq_post(sc, cqe, 0);
6312 	error = mcx_cmdq_poll(sc, cqe, 1000);
6313 	if (error != 0) {
6314 		printf("%s: query flow group timeout\n", DEVNAME(sc));
6315 		goto free;
6316 	}
6317 	error = mcx_cmdq_verify(cqe);
6318 	if (error != 0) {
6319 		printf("%s: query flow group reply corrupt\n", DEVNAME(sc));
6320 		goto free;
6321 	}
6322 
6323 	out = mcx_cmdq_out(cqe);
6324 	switch (out->cmd_status) {
6325 	case MCX_CQ_STATUS_OK:
6326 		break;
6327 	default:
6328 		printf("%s: query flow group failed (%x/%x)\n", DEVNAME(sc),
6329 		    out->cmd_status, be32toh(out->cmd_syndrome));
6330 		error = -1;
6331 		goto free;
6332 	}
6333 
6334         mbout = (struct mcx_cmd_query_flow_group_mb_out *)
6335 	    (mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)));
6336 	dump = (uint8_t *)mbout;
6337 	for (i = 0; i < MCX_CMDQ_MAILBOX_DATASIZE; i++) {
6338 		printf("%.2x ", dump[i]);
6339 		if (i % 16 == 15)
6340 			printf("\n");
6341 	}
6342 	dump = (uint8_t *)(mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 1)));
6343 	for (i = 0; i < MCX_CMDQ_MAILBOX_DATASIZE; i++) {
6344 		printf("%.2x ", dump[i]);
6345 		if (i % 16 == 15)
6346 			printf("\n");
6347 	}
6348 
6349 free:
6350 	mcx_cq_mboxes_free(sc, &mxm);
6351 	return (error);
6352 }
6353 
6354 static int
6355 mcx_dump_counters(struct mcx_softc *sc)
6356 {
6357 	struct mcx_dmamem mxm;
6358 	struct mcx_cmdq_entry *cqe;
6359 	struct mcx_cmd_query_vport_counters_in *in;
6360 	struct mcx_cmd_query_vport_counters_mb_in *mbin;
6361 	struct mcx_cmd_query_vport_counters_out *out;
6362 	struct mcx_nic_vport_counters *counters;
6363 	int error, token;
6364 
6365 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
6366 	token = mcx_cmdq_token(sc);
6367 	mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin),
6368 	    sizeof(*out) + sizeof(*counters), token);
6369 
6370 	in = mcx_cmdq_in(cqe);
6371 	in->cmd_opcode = htobe16(MCX_CMD_QUERY_VPORT_COUNTERS);
6372 	in->cmd_op_mod = htobe16(0);
6373 
6374 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1,
6375 	    &cqe->cq_output_ptr, token) != 0) {
6376 		printf(", unable to allocate "
6377 		    "query nic vport counters mailboxen\n");
6378 		return (-1);
6379 	}
6380 	cqe->cq_input_ptr = cqe->cq_output_ptr;
6381 
6382 	mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
6383 	mbin->cmd_clear = 0x80;
6384 
6385 	mcx_cmdq_mboxes_sign(&mxm, 1);
6386 	mcx_cmdq_post(sc, cqe, 0);
6387 
6388 	error = mcx_cmdq_poll(sc, cqe, 1000);
6389 	if (error != 0) {
6390 		printf("%s: query nic vport counters timeout\n", DEVNAME(sc));
6391 		goto free;
6392 	}
6393 	if (mcx_cmdq_verify(cqe) != 0) {
6394 		printf("%s: query nic vport counters command corrupt\n",
6395 		    DEVNAME(sc));
6396 		goto free;
6397 	}
6398 
6399 	out = mcx_cmdq_out(cqe);
6400 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
6401 		printf("%s: query nic vport counters failed (%x, %x)\n",
6402 		    DEVNAME(sc), out->cmd_status, betoh32(out->cmd_syndrome));
6403 		error = -1;
6404 		goto free;
6405 	}
6406 
6407 	counters = (struct mcx_nic_vport_counters *)
6408 	    (mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)));
6409 	if (counters->rx_bcast.packets + counters->tx_bcast.packets +
6410 	    counters->rx_ucast.packets + counters->tx_ucast.packets +
6411 	    counters->rx_err.packets + counters->tx_err.packets)
6412 		printf("%s: err %llx/%llx uc %llx/%llx bc %llx/%llx\n",
6413 		    DEVNAME(sc),
6414 		    betoh64(counters->tx_err.packets),
6415 		    betoh64(counters->rx_err.packets),
6416 		    betoh64(counters->tx_ucast.packets),
6417 		    betoh64(counters->rx_ucast.packets),
6418 		    betoh64(counters->tx_bcast.packets),
6419 		    betoh64(counters->rx_bcast.packets));
6420 free:
6421 	mcx_dmamem_free(sc, &mxm);
6422 
6423 	return (error);
6424 }
6425 
6426 static int
6427 mcx_dump_flow_counter(struct mcx_softc *sc, int index, const char *what)
6428 {
6429 	struct mcx_dmamem mxm;
6430 	struct mcx_cmdq_entry *cqe;
6431 	struct mcx_cmd_query_flow_counter_in *in;
6432 	struct mcx_cmd_query_flow_counter_mb_in *mbin;
6433 	struct mcx_cmd_query_flow_counter_out *out;
6434 	struct mcx_counter *counters;
6435 	int error, token;
6436 
6437 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
6438 	token = mcx_cmdq_token(sc);
6439 	mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin), sizeof(*out) +
6440 	    sizeof(*counters), token);
6441 
6442 	in = mcx_cmdq_in(cqe);
6443 	in->cmd_opcode = htobe16(MCX_CMD_QUERY_FLOW_COUNTER);
6444 	in->cmd_op_mod = htobe16(0);
6445 
6446 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1,
6447 	    &cqe->cq_output_ptr, token) != 0) {
6448 		printf(", unable to allocate query flow counter mailboxen\n");
6449 		return (-1);
6450 	}
6451 	cqe->cq_input_ptr = cqe->cq_output_ptr;
6452 	mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0));
6453 	mbin->cmd_flow_counter_id = htobe16(sc->sc_flow_counter_id[index]);
6454 	mbin->cmd_clear = 0x80;
6455 
6456 	mcx_cmdq_mboxes_sign(&mxm, 1);
6457 	mcx_cmdq_post(sc, cqe, 0);
6458 
6459 	error = mcx_cmdq_poll(sc, cqe, 1000);
6460 	if (error != 0) {
6461 		printf("%s: query flow counter timeout\n", DEVNAME(sc));
6462 		goto free;
6463 	}
6464 	if (mcx_cmdq_verify(cqe) != 0) {
6465 		printf("%s: query flow counter command corrupt\n", DEVNAME(sc));
6466 		goto free;
6467 	}
6468 
6469 	out = mcx_cmdq_out(cqe);
6470 	if (out->cmd_status != MCX_CQ_STATUS_OK) {
6471 		printf("%s: query flow counter failed (%x, %x)\n", DEVNAME(sc),
6472 		    out->cmd_status, betoh32(out->cmd_syndrome));
6473 		error = -1;
6474 		goto free;
6475 	}
6476 
6477 	counters = (struct mcx_counter *)
6478 	    (mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)));
6479 	if (counters->packets)
6480 		printf("%s: %s inflow %llx\n", DEVNAME(sc), what,
6481 		    betoh64(counters->packets));
6482 free:
6483 	mcx_dmamem_free(sc, &mxm);
6484 
6485 	return (error);
6486 }
6487 
6488 #endif
6489 
6490 #if NKSTAT > 0
6491 
6492 int
6493 mcx_query_rq(struct mcx_softc *sc, struct mcx_rx *rx, struct mcx_rq_ctx *rq_ctx)
6494 {
6495 	struct mcx_dmamem mxm;
6496 	struct mcx_cmdq_entry *cqe;
6497 	struct mcx_cmd_query_rq_in *in;
6498 	struct mcx_cmd_query_rq_out *out;
6499 	struct mcx_cmd_query_rq_mb_out *mbout;
6500 	uint8_t token = mcx_cmdq_token(sc);
6501 	int error;
6502 
6503 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
6504 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out) + sizeof(*mbout) + 16,
6505 	    token);
6506 
6507 	in = mcx_cmdq_in(cqe);
6508 	in->cmd_opcode = htobe16(MCX_CMD_QUERY_RQ);
6509 	in->cmd_op_mod = htobe16(0);
6510 	in->cmd_rqn = htobe32(rx->rx_rqn);
6511 
6512 	CTASSERT(sizeof(*mbout) <= MCX_CMDQ_MAILBOX_DATASIZE*2);
6513 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 2,
6514 	    &cqe->cq_output_ptr, token) != 0) {
6515 		printf("%s: unable to allocate query rq mailboxes\n", DEVNAME(sc));
6516 		return (-1);
6517 	}
6518 
6519 	mcx_cmdq_mboxes_sign(&mxm, 1);
6520 
6521 	mcx_cmdq_post(sc, cqe, 0);
6522 	error = mcx_cmdq_poll(sc, cqe, 1000);
6523 	if (error != 0) {
6524 		printf("%s: query rq timeout\n", DEVNAME(sc));
6525 		goto free;
6526 	}
6527 	error = mcx_cmdq_verify(cqe);
6528 	if (error != 0) {
6529 		printf("%s: query rq reply corrupt\n", DEVNAME(sc));
6530 		goto free;
6531 	}
6532 
6533 	out = mcx_cmdq_out(cqe);
6534 	switch (out->cmd_status) {
6535 	case MCX_CQ_STATUS_OK:
6536 		break;
6537 	default:
6538 		printf("%s: query rq failed (%x/%x)\n", DEVNAME(sc),
6539 		    out->cmd_status, be32toh(out->cmd_syndrome));
6540 		error = -1;
6541 		goto free;
6542 	}
6543 
6544         mbout = (struct mcx_cmd_query_rq_mb_out *)
6545 	    (mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)));
6546 	memcpy(rq_ctx, &mbout->cmd_ctx, sizeof(*rq_ctx));
6547 
6548 free:
6549 	mcx_cq_mboxes_free(sc, &mxm);
6550 	return (error);
6551 }
6552 
6553 int
6554 mcx_query_sq(struct mcx_softc *sc, struct mcx_tx *tx, struct mcx_sq_ctx *sq_ctx)
6555 {
6556 	struct mcx_dmamem mxm;
6557 	struct mcx_cmdq_entry *cqe;
6558 	struct mcx_cmd_query_sq_in *in;
6559 	struct mcx_cmd_query_sq_out *out;
6560 	struct mcx_cmd_query_sq_mb_out *mbout;
6561 	uint8_t token = mcx_cmdq_token(sc);
6562 	int error;
6563 
6564 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
6565 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out) + sizeof(*mbout) + 16,
6566 	    token);
6567 
6568 	in = mcx_cmdq_in(cqe);
6569 	in->cmd_opcode = htobe16(MCX_CMD_QUERY_SQ);
6570 	in->cmd_op_mod = htobe16(0);
6571 	in->cmd_sqn = htobe32(tx->tx_sqn);
6572 
6573 	CTASSERT(sizeof(*mbout) <= MCX_CMDQ_MAILBOX_DATASIZE*2);
6574 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 2,
6575 	    &cqe->cq_output_ptr, token) != 0) {
6576 		printf("%s: unable to allocate query sq mailboxes\n", DEVNAME(sc));
6577 		return (-1);
6578 	}
6579 
6580 	mcx_cmdq_mboxes_sign(&mxm, 1);
6581 
6582 	mcx_cmdq_post(sc, cqe, 0);
6583 	error = mcx_cmdq_poll(sc, cqe, 1000);
6584 	if (error != 0) {
6585 		printf("%s: query sq timeout\n", DEVNAME(sc));
6586 		goto free;
6587 	}
6588 	error = mcx_cmdq_verify(cqe);
6589 	if (error != 0) {
6590 		printf("%s: query sq reply corrupt\n", DEVNAME(sc));
6591 		goto free;
6592 	}
6593 
6594 	out = mcx_cmdq_out(cqe);
6595 	switch (out->cmd_status) {
6596 	case MCX_CQ_STATUS_OK:
6597 		break;
6598 	default:
6599 		printf("%s: query sq failed (%x/%x)\n", DEVNAME(sc),
6600 		    out->cmd_status, be32toh(out->cmd_syndrome));
6601 		error = -1;
6602 		goto free;
6603 	}
6604 
6605         mbout = (struct mcx_cmd_query_sq_mb_out *)
6606 	    (mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)));
6607 	memcpy(sq_ctx, &mbout->cmd_ctx, sizeof(*sq_ctx));
6608 
6609 free:
6610 	mcx_cq_mboxes_free(sc, &mxm);
6611 	return (error);
6612 }
6613 
6614 int
6615 mcx_query_cq(struct mcx_softc *sc, struct mcx_cq *cq, struct mcx_cq_ctx *cq_ctx)
6616 {
6617 	struct mcx_dmamem mxm;
6618 	struct mcx_cmdq_entry *cqe;
6619 	struct mcx_cmd_query_cq_in *in;
6620 	struct mcx_cmd_query_cq_out *out;
6621 	struct mcx_cq_ctx *ctx;
6622 	uint8_t token = mcx_cmdq_token(sc);
6623 	int error;
6624 
6625 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
6626 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out) + sizeof(*ctx) + 16,
6627 	    token);
6628 
6629 	in = mcx_cmdq_in(cqe);
6630 	in->cmd_opcode = htobe16(MCX_CMD_QUERY_CQ);
6631 	in->cmd_op_mod = htobe16(0);
6632 	in->cmd_cqn = htobe32(cq->cq_n);
6633 
6634 	CTASSERT(sizeof(*ctx) <= MCX_CMDQ_MAILBOX_DATASIZE*2);
6635 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 2,
6636 	    &cqe->cq_output_ptr, token) != 0) {
6637 		printf("%s: unable to allocate query cq mailboxes\n",
6638 		    DEVNAME(sc));
6639 		return (-1);
6640 	}
6641 
6642 	mcx_cmdq_mboxes_sign(&mxm, 1);
6643 
6644 	mcx_cmdq_post(sc, cqe, 0);
6645 	error = mcx_cmdq_poll(sc, cqe, 1000);
6646 	if (error != 0) {
6647 		printf("%s: query cq timeout\n", DEVNAME(sc));
6648 		goto free;
6649 	}
6650 	if (mcx_cmdq_verify(cqe) != 0) {
6651 		printf("%s: query cq reply corrupt\n", DEVNAME(sc));
6652 		goto free;
6653 	}
6654 
6655 	out = mcx_cmdq_out(cqe);
6656 	switch (out->cmd_status) {
6657 	case MCX_CQ_STATUS_OK:
6658 		break;
6659 	default:
6660 		printf("%s: query qc failed (%x/%x)\n", DEVNAME(sc),
6661 		    out->cmd_status, be32toh(out->cmd_syndrome));
6662 		error = -1;
6663 		goto free;
6664 	}
6665 
6666 	ctx = (struct mcx_cq_ctx *)(mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)));
6667 	memcpy(cq_ctx, ctx, sizeof(*cq_ctx));
6668 free:
6669 	mcx_dmamem_free(sc, &mxm);
6670 	return (error);
6671 }
6672 
6673 int
6674 mcx_query_eq(struct mcx_softc *sc, struct mcx_eq *eq, struct mcx_eq_ctx *eq_ctx)
6675 {
6676 	struct mcx_dmamem mxm;
6677 	struct mcx_cmdq_entry *cqe;
6678 	struct mcx_cmd_query_eq_in *in;
6679 	struct mcx_cmd_query_eq_out *out;
6680 	struct mcq_eq_ctx *ctx;
6681 	uint8_t token = mcx_cmdq_token(sc);
6682 	int error;
6683 
6684 	cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem);
6685 	mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out) + sizeof(*ctx) + 16,
6686 	    token);
6687 
6688 	in = mcx_cmdq_in(cqe);
6689 	in->cmd_opcode = htobe16(MCX_CMD_QUERY_EQ);
6690 	in->cmd_op_mod = htobe16(0);
6691 	in->cmd_eqn = htobe32(eq->eq_n);
6692 
6693 	CTASSERT(sizeof(*ctx) <= MCX_CMDQ_MAILBOX_DATASIZE*2);
6694 	if (mcx_cmdq_mboxes_alloc(sc, &mxm, 2,
6695 	    &cqe->cq_output_ptr, token) != 0) {
6696 		printf("%s: unable to allocate query eq mailboxes\n",
6697 		    DEVNAME(sc));
6698 		return (-1);
6699 	}
6700 
6701 	mcx_cmdq_mboxes_sign(&mxm, 1);
6702 
6703 	mcx_cmdq_post(sc, cqe, 0);
6704 	error = mcx_cmdq_poll(sc, cqe, 1000);
6705 	if (error != 0) {
6706 		printf("%s: query eq timeout\n", DEVNAME(sc));
6707 		goto free;
6708 	}
6709 	if (mcx_cmdq_verify(cqe) != 0) {
6710 		printf("%s: query eq reply corrupt\n", DEVNAME(sc));
6711 		goto free;
6712 	}
6713 
6714 	out = mcx_cmdq_out(cqe);
6715 	switch (out->cmd_status) {
6716 	case MCX_CQ_STATUS_OK:
6717 		break;
6718 	default:
6719 		printf("%s: query eq failed (%x/%x)\n", DEVNAME(sc),
6720 		    out->cmd_status, be32toh(out->cmd_syndrome));
6721 		error = -1;
6722 		goto free;
6723 	}
6724 
6725 	ctx = (struct mcx_eq_ctx *)(mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)));
6726 	memcpy(eq_ctx, ctx, sizeof(*eq_ctx));
6727 free:
6728 	mcx_dmamem_free(sc, &mxm);
6729 	return (error);
6730 }
6731 
6732 #endif /* NKSTAT > 0 */
6733 
6734 
6735 static inline unsigned int
6736 mcx_rx_fill_slots(struct mcx_softc *sc, struct mcx_rx *rx, uint nslots)
6737 {
6738 	struct mcx_rq_entry *ring, *rqe;
6739 	struct mcx_slot *ms;
6740 	struct mbuf *m;
6741 	uint slot, p, fills;
6742 
6743 	ring = MCX_DMA_KVA(&rx->rx_rq_mem);
6744 	p = rx->rx_prod;
6745 
6746 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&rx->rx_rq_mem),
6747 	    0, MCX_DMA_LEN(&rx->rx_rq_mem), BUS_DMASYNC_POSTWRITE);
6748 
6749 	slot = (p % (1 << MCX_LOG_RQ_SIZE));
6750 	rqe = ring;
6751 	for (fills = 0; fills < nslots; fills++) {
6752 		slot = p % (1 << MCX_LOG_RQ_SIZE);
6753 
6754 		ms = &rx->rx_slots[slot];
6755 		rqe = &ring[slot];
6756 
6757 		m = NULL;
6758 		MGETHDR(m, M_DONTWAIT, MT_DATA);
6759 		if (m == NULL)
6760 			break;
6761 
6762 		MCLGET(m, M_DONTWAIT);
6763 		if ((m->m_flags & M_EXT) == 0) {
6764 			m_freem(m);
6765 			break;
6766 		}
6767 
6768 		m->m_len = m->m_pkthdr.len = sc->sc_hardmtu;
6769 		m_adj(m, m->m_ext.ext_size - sc->sc_rxbufsz);
6770 		m_adj(m, ETHER_ALIGN);
6771 
6772 		if (bus_dmamap_load_mbuf(sc->sc_dmat, ms->ms_map, m,
6773 		    BUS_DMA_NOWAIT) != 0) {
6774 			m_freem(m);
6775 			break;
6776 		}
6777 		bus_dmamap_sync(sc->sc_dmat, ms->ms_map, 0, ms->ms_map->dm_mapsize, BUS_DMASYNC_PREREAD);
6778 		ms->ms_m = m;
6779 
6780 		be32enc(&rqe->rqe_byte_count, ms->ms_map->dm_segs[0].ds_len);
6781 		be64enc(&rqe->rqe_addr, ms->ms_map->dm_segs[0].ds_addr);
6782 		be32enc(&rqe->rqe_lkey, sc->sc_lkey);
6783 
6784 		p++;
6785 	}
6786 
6787 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&rx->rx_rq_mem),
6788 	    0, MCX_DMA_LEN(&rx->rx_rq_mem), BUS_DMASYNC_PREWRITE);
6789 
6790 	rx->rx_prod = p;
6791 
6792 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&sc->sc_doorbell_mem),
6793 	    rx->rx_doorbell, sizeof(uint32_t), BUS_DMASYNC_POSTWRITE);
6794 	be32enc(MCX_DMA_OFF(&sc->sc_doorbell_mem, rx->rx_doorbell),
6795 	    p & MCX_WQ_DOORBELL_MASK);
6796 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&sc->sc_doorbell_mem),
6797 	    rx->rx_doorbell, sizeof(uint32_t), BUS_DMASYNC_PREWRITE);
6798 
6799 	return (nslots - fills);
6800 }
6801 
6802 static int
6803 mcx_rx_fill(struct mcx_softc *sc, struct mcx_rx *rx)
6804 {
6805 	u_int slots;
6806 
6807 	slots = mcx_rxr_get(&rx->rx_rxr, (1 << MCX_LOG_RQ_SIZE));
6808 	if (slots == 0)
6809 		return (1);
6810 
6811 	slots = mcx_rx_fill_slots(sc, rx, slots);
6812 	mcx_rxr_put(&rx->rx_rxr, slots);
6813 	return (0);
6814 }
6815 
6816 void
6817 mcx_refill(void *xrx)
6818 {
6819 	struct mcx_rx *rx = xrx;
6820 	struct mcx_softc *sc = rx->rx_softc;
6821 
6822 	mcx_rx_fill(sc, rx);
6823 
6824 	if (mcx_rxr_inuse(&rx->rx_rxr) == 0)
6825 		callout_schedule(&rx->rx_refill, 1);
6826 }
6827 
6828 static int
6829 mcx_process_txeof(struct mcx_softc *sc, struct mcx_tx *tx,
6830     struct mcx_cq_entry *cqe)
6831 {
6832 	struct mcx_slot *ms;
6833 	bus_dmamap_t map;
6834 	int slot, slots;
6835 
6836 	slot = be16toh(cqe->cq_wqe_count) % (1 << MCX_LOG_SQ_SIZE);
6837 
6838 	ms = &tx->tx_slots[slot];
6839 	map = ms->ms_map;
6840 	bus_dmamap_sync(sc->sc_dmat, map, 0, map->dm_mapsize,
6841 	    BUS_DMASYNC_POSTWRITE);
6842 
6843 	slots = 1;
6844 	if (map->dm_nsegs > 1)
6845 		slots += (map->dm_nsegs+2) / MCX_SQ_SEGS_PER_SLOT;
6846 
6847 	bus_dmamap_unload(sc->sc_dmat, map);
6848 	m_freem(ms->ms_m);
6849 	ms->ms_m = NULL;
6850 
6851 	return (slots);
6852 }
6853 
6854 static uint64_t
6855 mcx_uptime(void)
6856 {
6857 	struct timespec ts;
6858 
6859 	nanouptime(&ts);
6860 
6861 	return ((uint64_t)ts.tv_sec * 1000000000 + (uint64_t)ts.tv_nsec);
6862 }
6863 
6864 static void
6865 mcx_calibrate_first(struct mcx_softc *sc)
6866 {
6867 	struct mcx_calibration *c = &sc->sc_calibration[0];
6868 	int s;
6869 
6870 	sc->sc_calibration_gen = 0;
6871 
6872 	s = splhigh(); /* crit_enter? */
6873 	c->c_ubase = mcx_uptime();
6874 	c->c_tbase = mcx_timer(sc);
6875 	splx(s);
6876 	c->c_ratio = 0;
6877 
6878 #if notyet
6879 	callout_schedule(&sc->sc_calibrate, MCX_CALIBRATE_FIRST * hz);
6880 #endif
6881 }
6882 
6883 #define MCX_TIMESTAMP_SHIFT 24
6884 
6885 static void
6886 mcx_calibrate(void *arg)
6887 {
6888 	struct mcx_softc *sc = arg;
6889 	struct mcx_calibration *nc, *pc;
6890 	uint64_t udiff, tdiff;
6891 	unsigned int gen;
6892 	int s;
6893 
6894 	if (!ISSET(sc->sc_ec.ec_if.if_flags, IFF_RUNNING))
6895 		return;
6896 
6897 	callout_schedule(&sc->sc_calibrate, MCX_CALIBRATE_NORMAL * hz);
6898 
6899 	gen = sc->sc_calibration_gen;
6900 	pc = &sc->sc_calibration[gen % __arraycount(sc->sc_calibration)];
6901 	gen++;
6902 	nc = &sc->sc_calibration[gen % __arraycount(sc->sc_calibration)];
6903 
6904 	nc->c_uptime = pc->c_ubase;
6905 	nc->c_timestamp = pc->c_tbase;
6906 
6907 	s = splhigh(); /* crit_enter? */
6908 	nc->c_ubase = mcx_uptime();
6909 	nc->c_tbase = mcx_timer(sc);
6910 	splx(s);
6911 
6912 	udiff = nc->c_ubase - nc->c_uptime;
6913 	tdiff = nc->c_tbase - nc->c_timestamp;
6914 
6915 	/*
6916 	 * udiff is the wall clock time between calibration ticks,
6917 	 * which should be 32 seconds or 32 billion nanoseconds. if
6918 	 * we squint, 1 billion nanoseconds is kind of like a 32 bit
6919 	 * number, so 32 billion should still have a lot of high bits
6920 	 * spare. we use this space by shifting the nanoseconds up
6921 	 * 24 bits so we have a nice big number to divide by the
6922 	 * number of mcx timer ticks.
6923 	 */
6924 	nc->c_ratio = (udiff << MCX_TIMESTAMP_SHIFT) / tdiff;
6925 
6926 	membar_producer();
6927 	sc->sc_calibration_gen = gen;
6928 }
6929 
6930 static int
6931 mcx_process_rx(struct mcx_softc *sc, struct mcx_rx *rx,
6932     struct mcx_cq_entry *cqe, struct mcx_mbufq *mq,
6933     const struct mcx_calibration *c)
6934 {
6935 	struct ifnet *ifp = &sc->sc_ec.ec_if;
6936 	struct mcx_slot *ms;
6937 	struct mbuf *m;
6938 	uint32_t flags, len;
6939 	int slot;
6940 
6941 	len = be32dec(&cqe->cq_byte_cnt);
6942 	slot = be16toh(cqe->cq_wqe_count) % (1 << MCX_LOG_RQ_SIZE);
6943 
6944 	ms = &rx->rx_slots[slot];
6945 	bus_dmamap_sync(sc->sc_dmat, ms->ms_map, 0, len, BUS_DMASYNC_POSTREAD);
6946 	bus_dmamap_unload(sc->sc_dmat, ms->ms_map);
6947 
6948 	m = ms->ms_m;
6949 	ms->ms_m = NULL;
6950 
6951 	m_set_rcvif(m, &sc->sc_ec.ec_if);
6952 	m->m_pkthdr.len = m->m_len = len;
6953 
6954 #if 0
6955 	if (cqe->cq_rx_hash_type) {
6956 		m->m_pkthdr.ph_flowid = be32toh(cqe->cq_rx_hash);
6957 		m->m_pkthdr.csum_flags |= M_FLOWID;
6958 	}
6959 #endif
6960 
6961 	flags = be32dec(&cqe->cq_flags);
6962 	if (flags & MCX_CQ_ENTRY_FLAGS_L3_OK) {
6963 		if (ifp->if_capenable & IFCAP_CSUM_IPv4_Rx)
6964 			m->m_pkthdr.csum_flags |= M_CSUM_IPv4;
6965 	}
6966 	if (flags & MCX_CQ_ENTRY_FLAGS_L4_OK) {
6967 		if (ifp->if_capenable & IFCAP_CSUM_TCPv4_Rx)
6968 			m->m_pkthdr.csum_flags |= M_CSUM_TCPv4;
6969 		if (ifp->if_capenable & IFCAP_CSUM_TCPv6_Rx)
6970 			m->m_pkthdr.csum_flags |= M_CSUM_TCPv6;
6971 		if (ifp->if_capenable & IFCAP_CSUM_UDPv4_Rx)
6972 			m->m_pkthdr.csum_flags |= M_CSUM_UDPv4;
6973 		if (ifp->if_capenable & IFCAP_CSUM_UDPv6_Rx)
6974 			m->m_pkthdr.csum_flags |= M_CSUM_UDPv6;
6975 	}
6976 	if (flags & MCX_CQ_ENTRY_FLAGS_CV) {
6977 		vlan_set_tag(m, flags & MCX_CQ_ENTRY_FLAGS_VLAN_MASK);
6978 	}
6979 
6980 #if notyet
6981 	if (ISSET(sc->sc_ec.ec_if.if_flags, IFF_LINK0) && c->c_ratio) {
6982 		uint64_t t = be64dec(&cqe->cq_timestamp);
6983 		t -= c->c_timestamp;
6984 		t *= c->c_ratio;
6985 		t >>= MCX_TIMESTAMP_SHIFT;
6986 		t += c->c_uptime;
6987 
6988 		m->m_pkthdr.ph_timestamp = t;
6989 		SET(m->m_pkthdr.csum_flags, M_TIMESTAMP);
6990 	}
6991 #endif
6992 
6993 	MBUFQ_ENQUEUE(mq, m);
6994 
6995 	return (1);
6996 }
6997 
6998 static struct mcx_cq_entry *
6999 mcx_next_cq_entry(struct mcx_softc *sc, struct mcx_cq *cq)
7000 {
7001 	struct mcx_cq_entry *cqe;
7002 	int next;
7003 
7004 	cqe = (struct mcx_cq_entry *)MCX_DMA_KVA(&cq->cq_mem);
7005 	next = cq->cq_cons % (1 << MCX_LOG_CQ_SIZE);
7006 
7007 	if ((cqe[next].cq_opcode_owner & MCX_CQ_ENTRY_FLAG_OWNER) ==
7008 	    ((cq->cq_cons >> MCX_LOG_CQ_SIZE) & 1)) {
7009 		return (&cqe[next]);
7010 	}
7011 
7012 	return (NULL);
7013 }
7014 
7015 static void
7016 mcx_arm_cq(struct mcx_softc *sc, struct mcx_cq *cq, int uar)
7017 {
7018 	struct mcx_cq_doorbell *db;
7019 	bus_size_t offset;
7020 	uint32_t val;
7021 	uint64_t uval;
7022 
7023 	val = ((cq->cq_count) & 3) << MCX_CQ_DOORBELL_ARM_CMD_SN_SHIFT;
7024 	val |= (cq->cq_cons & MCX_CQ_DOORBELL_ARM_CI_MASK);
7025 
7026 	db = MCX_DMA_OFF(&sc->sc_doorbell_mem, cq->cq_doorbell);
7027 
7028 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&sc->sc_doorbell_mem),
7029 	    cq->cq_doorbell, sizeof(*db), BUS_DMASYNC_POSTWRITE);
7030 
7031 	be32enc(&db->db_update_ci, cq->cq_cons & MCX_CQ_DOORBELL_ARM_CI_MASK);
7032 	be32enc(&db->db_arm_ci, val);
7033 
7034 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&sc->sc_doorbell_mem),
7035 	    cq->cq_doorbell, sizeof(*db), BUS_DMASYNC_PREWRITE);
7036 
7037 	offset = (MCX_PAGE_SIZE * uar) + MCX_UAR_CQ_DOORBELL;
7038 
7039 	uval = (uint64_t)val << 32;
7040 	uval |= cq->cq_n;
7041 
7042 	bus_space_write_8(sc->sc_memt, sc->sc_memh, offset, htobe64(uval));
7043 	mcx_bar(sc, offset, sizeof(uval), BUS_SPACE_BARRIER_WRITE);
7044 }
7045 
7046 void
7047 mcx_process_cq(struct mcx_softc *sc, struct mcx_queues *q, struct mcx_cq *cq)
7048 {
7049 	struct mcx_rx *rx = &q->q_rx;
7050 	struct mcx_tx *tx = &q->q_tx;
7051 	struct ifnet *ifp = &sc->sc_ec.ec_if;
7052 	const struct mcx_calibration *c;
7053 	unsigned int gen;
7054 	struct mcx_cq_entry *cqe;
7055 	struct mcx_mbufq mq;
7056 	struct mbuf *m;
7057 	int rxfree, txfree;
7058 
7059 	MBUFQ_INIT(&mq);
7060 
7061 	gen = sc->sc_calibration_gen;
7062 	membar_consumer();
7063 	c = &sc->sc_calibration[gen % __arraycount(sc->sc_calibration)];
7064 
7065 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&cq->cq_mem),
7066 	    0, MCX_DMA_LEN(&cq->cq_mem), BUS_DMASYNC_POSTREAD);
7067 
7068 	rxfree = 0;
7069 	txfree = 0;
7070 	while ((cqe = mcx_next_cq_entry(sc, cq))) {
7071 		uint8_t opcode;
7072 		opcode = (cqe->cq_opcode_owner >> MCX_CQ_ENTRY_OPCODE_SHIFT);
7073 		switch (opcode) {
7074 		case MCX_CQ_ENTRY_OPCODE_REQ:
7075 			txfree += mcx_process_txeof(sc, tx, cqe);
7076 			break;
7077 		case MCX_CQ_ENTRY_OPCODE_SEND:
7078 			rxfree += mcx_process_rx(sc, rx, cqe, &mq, c);
7079 			break;
7080 		case MCX_CQ_ENTRY_OPCODE_REQ_ERR:
7081 		case MCX_CQ_ENTRY_OPCODE_SEND_ERR:
7082 			/* uint8_t *cqp = (uint8_t *)cqe; */
7083 			/* printf("%s: cq completion error: %x\n",
7084 			    DEVNAME(sc), cqp[0x37]); */
7085 			break;
7086 
7087 		default:
7088 			/* printf("%s: cq completion opcode %x??\n",
7089 			    DEVNAME(sc), opcode); */
7090 			break;
7091 		}
7092 
7093 		cq->cq_cons++;
7094 	}
7095 
7096 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&cq->cq_mem),
7097 	    0, MCX_DMA_LEN(&cq->cq_mem), BUS_DMASYNC_PREREAD);
7098 
7099 	if (rxfree > 0) {
7100 		mcx_rxr_put(&rx->rx_rxr, rxfree);
7101 		while (MBUFQ_FIRST(&mq) != NULL) {
7102 			MBUFQ_DEQUEUE(&mq, m);
7103 			if_percpuq_enqueue(ifp->if_percpuq, m);
7104 		}
7105 
7106 		mcx_rx_fill(sc, rx);
7107 		if (mcx_rxr_inuse(&rx->rx_rxr) == 0)
7108 			callout_schedule(&rx->rx_refill, 1);
7109 	}
7110 
7111 	cq->cq_count++;
7112 	mcx_arm_cq(sc, cq, q->q_uar);
7113 
7114 	if (txfree > 0) {
7115 		tx->tx_cons += txfree;
7116 		if_schedule_deferred_start(ifp);
7117 	}
7118 }
7119 
7120 
7121 static void
7122 mcx_arm_eq(struct mcx_softc *sc, struct mcx_eq *eq, int uar)
7123 {
7124 	bus_size_t offset;
7125 	uint32_t val;
7126 
7127 	offset = (MCX_PAGE_SIZE * uar) + MCX_UAR_EQ_DOORBELL_ARM;
7128 	val = (eq->eq_n << 24) | (eq->eq_cons & 0xffffff);
7129 
7130 	mcx_wr(sc, offset, val);
7131 	mcx_bar(sc, offset, sizeof(val), BUS_SPACE_BARRIER_WRITE);
7132 }
7133 
7134 static struct mcx_eq_entry *
7135 mcx_next_eq_entry(struct mcx_softc *sc, struct mcx_eq *eq)
7136 {
7137 	struct mcx_eq_entry *eqe;
7138 	int next;
7139 
7140 	eqe = (struct mcx_eq_entry *)MCX_DMA_KVA(&eq->eq_mem);
7141 	next = eq->eq_cons % (1 << MCX_LOG_EQ_SIZE);
7142 	if ((eqe[next].eq_owner & 1) ==
7143 	    ((eq->eq_cons >> MCX_LOG_EQ_SIZE) & 1)) {
7144 		eq->eq_cons++;
7145 		return (&eqe[next]);
7146 	}
7147 	return (NULL);
7148 }
7149 
7150 int
7151 mcx_admin_intr(void *xsc)
7152 {
7153 	struct mcx_softc *sc = (struct mcx_softc *)xsc;
7154 	struct mcx_eq *eq = &sc->sc_admin_eq;
7155 	struct mcx_eq_entry *eqe;
7156 
7157 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&eq->eq_mem),
7158 	    0, MCX_DMA_LEN(&eq->eq_mem), BUS_DMASYNC_POSTREAD);
7159 
7160 	while ((eqe = mcx_next_eq_entry(sc, eq)) != NULL) {
7161 		switch (eqe->eq_event_type) {
7162 		case MCX_EVENT_TYPE_LAST_WQE:
7163 			/* printf("%s: last wqe reached?\n", DEVNAME(sc)); */
7164 			break;
7165 
7166 		case MCX_EVENT_TYPE_CQ_ERROR:
7167 			/* printf("%s: cq error\n", DEVNAME(sc)); */
7168 			break;
7169 
7170 		case MCX_EVENT_TYPE_CMD_COMPLETION:
7171 			/* wakeup probably */
7172 			break;
7173 
7174 		case MCX_EVENT_TYPE_PORT_CHANGE:
7175 			workqueue_enqueue(sc->sc_workq, &sc->sc_port_change, NULL);
7176 			break;
7177 
7178 		default:
7179 			/* printf("%s: something happened\n", DEVNAME(sc)); */
7180 			break;
7181 		}
7182 	}
7183 
7184 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&eq->eq_mem),
7185 	    0, MCX_DMA_LEN(&eq->eq_mem), BUS_DMASYNC_PREREAD);
7186 
7187 	mcx_arm_eq(sc, eq, sc->sc_uar);
7188 
7189 	return (1);
7190 }
7191 
7192 int
7193 mcx_cq_intr(void *xq)
7194 {
7195 	struct mcx_queues *q = (struct mcx_queues *)xq;
7196 	struct mcx_softc *sc = q->q_sc;
7197 	struct mcx_eq *eq = &q->q_eq;
7198 	struct mcx_eq_entry *eqe;
7199 	int cqn;
7200 
7201 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&eq->eq_mem),
7202 	    0, MCX_DMA_LEN(&eq->eq_mem), BUS_DMASYNC_POSTREAD);
7203 
7204 	while ((eqe = mcx_next_eq_entry(sc, eq)) != NULL) {
7205 		switch (eqe->eq_event_type) {
7206 		case MCX_EVENT_TYPE_COMPLETION:
7207 			cqn = be32toh(eqe->eq_event_data[6]);
7208 			if (cqn == q->q_cq.cq_n)
7209 				mcx_process_cq(sc, q, &q->q_cq);
7210 			break;
7211 		}
7212 	}
7213 
7214 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&eq->eq_mem),
7215 	    0, MCX_DMA_LEN(&eq->eq_mem), BUS_DMASYNC_PREREAD);
7216 
7217 	mcx_arm_eq(sc, eq, q->q_uar);
7218 
7219 	return (1);
7220 }
7221 
7222 static void
7223 mcx_free_slots(struct mcx_softc *sc, struct mcx_slot *slots, int allocated,
7224     int total)
7225 {
7226 	struct mcx_slot *ms;
7227 
7228 	int i = allocated;
7229 	while (i-- > 0) {
7230 		ms = &slots[i];
7231 		bus_dmamap_destroy(sc->sc_dmat, ms->ms_map);
7232 		if (ms->ms_m != NULL)
7233 			m_freem(ms->ms_m);
7234 	}
7235 	kmem_free(slots, total * sizeof(*ms));
7236 }
7237 
7238 static int
7239 mcx_queue_up(struct mcx_softc *sc, struct mcx_queues *q)
7240 {
7241 	struct mcx_rx *rx;
7242 	struct mcx_tx *tx;
7243 	struct mcx_slot *ms;
7244 	int i;
7245 
7246 	rx = &q->q_rx;
7247 	rx->rx_slots = kmem_zalloc(sizeof(*ms) * (1 << MCX_LOG_RQ_SIZE),
7248 	    KM_SLEEP);
7249 
7250 	for (i = 0; i < (1 << MCX_LOG_RQ_SIZE); i++) {
7251 		ms = &rx->rx_slots[i];
7252 		if (bus_dmamap_create(sc->sc_dmat, sc->sc_hardmtu, 1,
7253 		    sc->sc_hardmtu, 0,
7254 		    BUS_DMA_WAITOK | BUS_DMA_ALLOCNOW,
7255 		    &ms->ms_map) != 0) {
7256 			printf("%s: failed to allocate rx dma maps\n",
7257 			    DEVNAME(sc));
7258 			goto destroy_rx_slots;
7259 		}
7260 	}
7261 
7262 	tx = &q->q_tx;
7263 	tx->tx_slots = kmem_zalloc(sizeof(*ms) * (1 << MCX_LOG_SQ_SIZE),
7264 	     KM_SLEEP);
7265 
7266 	for (i = 0; i < (1 << MCX_LOG_SQ_SIZE); i++) {
7267 		ms = &tx->tx_slots[i];
7268 		if (bus_dmamap_create(sc->sc_dmat, sc->sc_hardmtu,
7269 		    MCX_SQ_MAX_SEGMENTS, sc->sc_hardmtu, 0,
7270 		    BUS_DMA_WAITOK | BUS_DMA_ALLOCNOW,
7271 		    &ms->ms_map) != 0) {
7272 			printf("%s: failed to allocate tx dma maps\n",
7273 			    DEVNAME(sc));
7274 			goto destroy_tx_slots;
7275 		}
7276 	}
7277 
7278 	if (mcx_create_cq(sc, &q->q_cq, q->q_uar, q->q_index,
7279 	    q->q_eq.eq_n) != 0)
7280 		goto destroy_tx_slots;
7281 
7282 	if (mcx_create_sq(sc, tx, q->q_uar, q->q_index, q->q_cq.cq_n)
7283 	    != 0)
7284 		goto destroy_cq;
7285 
7286 	if (mcx_create_rq(sc, rx, q->q_index, q->q_cq.cq_n) != 0)
7287 		goto destroy_sq;
7288 
7289 	return 0;
7290 
7291 destroy_sq:
7292 	mcx_destroy_sq(sc, tx);
7293 destroy_cq:
7294 	mcx_destroy_cq(sc, &q->q_cq);
7295 destroy_tx_slots:
7296 	mcx_free_slots(sc, tx->tx_slots, i, (1 << MCX_LOG_SQ_SIZE));
7297 	tx->tx_slots = NULL;
7298 
7299 	i = (1 << MCX_LOG_RQ_SIZE);
7300 destroy_rx_slots:
7301 	mcx_free_slots(sc, rx->rx_slots, i, (1 << MCX_LOG_RQ_SIZE));
7302 	rx->rx_slots = NULL;
7303 	return ENOMEM;
7304 }
7305 
7306 static int
7307 mcx_rss_group_entry_count(struct mcx_softc *sc, int group)
7308 {
7309 	int i;
7310 	int count;
7311 
7312 	count = 0;
7313 	for (i = 0; i < __arraycount(mcx_rss_config); i++) {
7314 		if (mcx_rss_config[i].flow_group == group)
7315 			count++;
7316 	}
7317 
7318 	return count;
7319 }
7320 
7321 static int
7322 mcx_init(struct ifnet *ifp)
7323 {
7324 	struct mcx_softc *sc = ifp->if_softc;
7325 	struct mcx_rx *rx;
7326 	struct mcx_tx *tx;
7327 	int i, start, count, flow_group, flow_index;
7328 	struct mcx_flow_match match_crit;
7329 	struct mcx_rss_rule *rss;
7330 	uint32_t dest;
7331 	int rqns[MCX_MAX_QUEUES] = { 0 };
7332 
7333 	if (ISSET(ifp->if_flags, IFF_RUNNING))
7334 		mcx_stop(ifp, 0);
7335 
7336 	if (mcx_create_tis(sc, &sc->sc_tis) != 0)
7337 		goto down;
7338 
7339 	for (i = 0; i < sc->sc_nqueues; i++) {
7340 		if (mcx_queue_up(sc, &sc->sc_queues[i]) != 0) {
7341 			goto down;
7342 		}
7343 	}
7344 
7345 	/* RSS flow table and flow groups */
7346 	if (mcx_create_flow_table(sc, MCX_LOG_FLOW_TABLE_SIZE, 1,
7347 	    &sc->sc_rss_flow_table_id) != 0)
7348 		goto down;
7349 
7350 	dest = MCX_FLOW_CONTEXT_DEST_TYPE_TABLE |
7351 	    sc->sc_rss_flow_table_id;
7352 
7353 	/* L4 RSS flow group (v4/v6 tcp/udp, no fragments) */
7354 	memset(&match_crit, 0, sizeof(match_crit));
7355 	match_crit.mc_ethertype = 0xffff;
7356 	match_crit.mc_ip_proto = 0xff;
7357 	match_crit.mc_vlan_flags = MCX_FLOW_MATCH_IP_FRAG;
7358 	start = 0;
7359 	count = mcx_rss_group_entry_count(sc, MCX_FLOW_GROUP_RSS_L4);
7360 	if (count != 0) {
7361 		if (mcx_create_flow_group(sc, sc->sc_rss_flow_table_id,
7362 		    MCX_FLOW_GROUP_RSS_L4, start, count,
7363 		    MCX_CREATE_FLOW_GROUP_CRIT_OUTER, &match_crit) != 0)
7364 			goto down;
7365 		start += count;
7366 	}
7367 
7368 	/* L3 RSS flow group (v4/v6, including fragments) */
7369 	memset(&match_crit, 0, sizeof(match_crit));
7370 	match_crit.mc_ethertype = 0xffff;
7371 	count = mcx_rss_group_entry_count(sc, MCX_FLOW_GROUP_RSS_L3);
7372 	if (mcx_create_flow_group(sc, sc->sc_rss_flow_table_id,
7373 	    MCX_FLOW_GROUP_RSS_L3, start, count,
7374 	    MCX_CREATE_FLOW_GROUP_CRIT_OUTER, &match_crit) != 0)
7375 		goto down;
7376 	start += count;
7377 
7378 	/* non-RSS flow group */
7379 	count = mcx_rss_group_entry_count(sc, MCX_FLOW_GROUP_RSS_NONE);
7380 	memset(&match_crit, 0, sizeof(match_crit));
7381 	if (mcx_create_flow_group(sc, sc->sc_rss_flow_table_id,
7382 	    MCX_FLOW_GROUP_RSS_NONE, start, count, 0, &match_crit) != 0)
7383 		goto down;
7384 
7385 	/* Root flow table, matching packets based on mac address */
7386 	if (mcx_create_flow_table(sc, MCX_LOG_FLOW_TABLE_SIZE, 0,
7387 	    &sc->sc_mac_flow_table_id) != 0)
7388 		goto down;
7389 
7390 	/* promisc flow group */
7391 	start = 0;
7392 	memset(&match_crit, 0, sizeof(match_crit));
7393 	if (mcx_create_flow_group(sc, sc->sc_mac_flow_table_id,
7394 	    MCX_FLOW_GROUP_PROMISC, start, 1, 0, &match_crit) != 0)
7395 		goto down;
7396 	sc->sc_promisc_flow_enabled = 0;
7397 	start++;
7398 
7399 	/* all multicast flow group */
7400 	match_crit.mc_dest_mac[0] = 0x01;
7401 	if (mcx_create_flow_group(sc, sc->sc_mac_flow_table_id,
7402 	    MCX_FLOW_GROUP_ALLMULTI, start, 1,
7403 	    MCX_CREATE_FLOW_GROUP_CRIT_OUTER, &match_crit) != 0)
7404 		goto down;
7405 	sc->sc_allmulti_flow_enabled = 0;
7406 	start++;
7407 
7408 	/* mac address matching flow group */
7409 	memset(&match_crit.mc_dest_mac, 0xff, sizeof(match_crit.mc_dest_mac));
7410 	if (mcx_create_flow_group(sc, sc->sc_mac_flow_table_id,
7411 	    MCX_FLOW_GROUP_MAC, start, (1 << MCX_LOG_FLOW_TABLE_SIZE) - start,
7412 	    MCX_CREATE_FLOW_GROUP_CRIT_OUTER, &match_crit) != 0)
7413 		goto down;
7414 
7415 	/* flow table entries for unicast and broadcast */
7416 	start = 0;
7417 	if (mcx_set_flow_table_entry_mac(sc, MCX_FLOW_GROUP_MAC, start,
7418 	    LLADDR(satosdl(ifp->if_dl->ifa_addr)), dest) != 0)
7419 		goto down;
7420 	start++;
7421 
7422 	if (mcx_set_flow_table_entry_mac(sc, MCX_FLOW_GROUP_MAC, start,
7423 	    etherbroadcastaddr, dest) != 0)
7424 		goto down;
7425 	start++;
7426 
7427 	/* multicast entries go after that */
7428 	sc->sc_mcast_flow_base = start;
7429 
7430 	/* re-add any existing multicast flows */
7431 	for (i = 0; i < MCX_NUM_MCAST_FLOWS; i++) {
7432 		if (sc->sc_mcast_flows[i][0] != 0) {
7433 			mcx_set_flow_table_entry_mac(sc, MCX_FLOW_GROUP_MAC,
7434 			    sc->sc_mcast_flow_base + i,
7435 			    sc->sc_mcast_flows[i], dest);
7436 		}
7437 	}
7438 
7439 	if (mcx_set_flow_table_root(sc, sc->sc_mac_flow_table_id) != 0)
7440 		goto down;
7441 
7442 	/*
7443 	 * the RQT can be any size as long as it's a power of two.
7444 	 * since we also restrict the number of queues to a power of two,
7445 	 * we can just put each rx queue in once.
7446 	 */
7447 	for (i = 0; i < sc->sc_nqueues; i++)
7448 		rqns[i] = sc->sc_queues[i].q_rx.rx_rqn;
7449 
7450 	if (mcx_create_rqt(sc, sc->sc_nqueues, rqns, &sc->sc_rqt) != 0)
7451 		goto down;
7452 
7453 	start = 0;
7454 	flow_index = 0;
7455 	flow_group = -1;
7456 	for (i = 0; i < __arraycount(mcx_rss_config); i++) {
7457 		rss = &mcx_rss_config[i];
7458 		if (rss->flow_group != flow_group) {
7459 			flow_group = rss->flow_group;
7460 			flow_index = 0;
7461 		}
7462 
7463 		if (rss->hash_sel == 0) {
7464 			if (mcx_create_tir_direct(sc, &sc->sc_queues[0].q_rx,
7465 			    &sc->sc_tir[i]) != 0)
7466 				goto down;
7467 		} else {
7468 			if (mcx_create_tir_indirect(sc, sc->sc_rqt,
7469 			    rss->hash_sel, &sc->sc_tir[i]) != 0)
7470 				goto down;
7471 		}
7472 
7473 		if (mcx_set_flow_table_entry_proto(sc, flow_group,
7474 		    flow_index, rss->ethertype, rss->ip_proto,
7475 		    MCX_FLOW_CONTEXT_DEST_TYPE_TIR | sc->sc_tir[i]) != 0)
7476 			goto down;
7477 		flow_index++;
7478 	}
7479 
7480 	for (i = 0; i < sc->sc_nqueues; i++) {
7481 		struct mcx_queues *q = &sc->sc_queues[i];
7482 		rx = &q->q_rx;
7483 		tx = &q->q_tx;
7484 
7485 		/* start the queues */
7486 		if (mcx_ready_sq(sc, tx) != 0)
7487 			goto down;
7488 
7489 		if (mcx_ready_rq(sc, rx) != 0)
7490 			goto down;
7491 
7492 		mcx_rxr_init(&rx->rx_rxr, 1, (1 << MCX_LOG_RQ_SIZE));
7493 		rx->rx_prod = 0;
7494 		mcx_rx_fill(sc, rx);
7495 
7496 		tx->tx_cons = 0;
7497 		tx->tx_prod = 0;
7498 	}
7499 
7500 	mcx_calibrate_first(sc);
7501 
7502 	SET(ifp->if_flags, IFF_RUNNING);
7503 	CLR(ifp->if_flags, IFF_OACTIVE);
7504 	if_schedule_deferred_start(ifp);
7505 
7506 	return 0;
7507 down:
7508 	mcx_stop(ifp, 0);
7509 	return EIO;
7510 }
7511 
7512 static void
7513 mcx_stop(struct ifnet *ifp, int disable)
7514 {
7515 	struct mcx_softc *sc = ifp->if_softc;
7516 	struct mcx_rss_rule *rss;
7517 	int group, i, flow_group, flow_index;
7518 
7519 	CLR(ifp->if_flags, IFF_RUNNING);
7520 
7521 	/*
7522 	 * delete flow table entries first, so no packets can arrive
7523 	 * after the barriers
7524 	 */
7525 	if (sc->sc_promisc_flow_enabled)
7526 		mcx_delete_flow_table_entry(sc, MCX_FLOW_GROUP_PROMISC, 0);
7527 	if (sc->sc_allmulti_flow_enabled)
7528 		mcx_delete_flow_table_entry(sc, MCX_FLOW_GROUP_ALLMULTI, 0);
7529 	mcx_delete_flow_table_entry(sc, MCX_FLOW_GROUP_MAC, 0);
7530 	mcx_delete_flow_table_entry(sc, MCX_FLOW_GROUP_MAC, 1);
7531 	for (i = 0; i < MCX_NUM_MCAST_FLOWS; i++) {
7532 		if (sc->sc_mcast_flows[i][0] != 0) {
7533 			mcx_delete_flow_table_entry(sc, MCX_FLOW_GROUP_MAC,
7534 			    sc->sc_mcast_flow_base + i);
7535 		}
7536 	}
7537 
7538 	flow_group = -1;
7539 	flow_index = 0;
7540 	for (i = 0; i < __arraycount(mcx_rss_config); i++) {
7541 		rss = &mcx_rss_config[i];
7542 		if (rss->flow_group != flow_group) {
7543 			flow_group = rss->flow_group;
7544 			flow_index = 0;
7545 		}
7546 
7547 		mcx_delete_flow_table_entry(sc, flow_group, flow_index);
7548 
7549 		mcx_destroy_tir(sc, sc->sc_tir[i]);
7550 		sc->sc_tir[i] = 0;
7551 
7552 		flow_index++;
7553 	}
7554 
7555 	for (i = 0; i < sc->sc_nqueues; i++) {
7556 		callout_halt(&sc->sc_queues[i].q_rx.rx_refill, NULL);
7557 	}
7558 
7559 	callout_halt(&sc->sc_calibrate, NULL);
7560 
7561 	for (group = 0; group < MCX_NUM_FLOW_GROUPS; group++) {
7562 		if (sc->sc_flow_group[group].g_id != -1)
7563 			mcx_destroy_flow_group(sc, group);
7564 	}
7565 
7566 	if (sc->sc_mac_flow_table_id != -1) {
7567 		mcx_destroy_flow_table(sc, sc->sc_mac_flow_table_id);
7568 		sc->sc_mac_flow_table_id = -1;
7569 	}
7570 	if (sc->sc_rss_flow_table_id != -1) {
7571 		mcx_destroy_flow_table(sc, sc->sc_rss_flow_table_id);
7572 		sc->sc_rss_flow_table_id = -1;
7573 	}
7574 	if (sc->sc_rqt != -1) {
7575 		mcx_destroy_rqt(sc, sc->sc_rqt);
7576 		sc->sc_rqt = -1;
7577 	}
7578 
7579 	for (i = 0; i < sc->sc_nqueues; i++) {
7580 		struct mcx_queues *q = &sc->sc_queues[i];
7581 		struct mcx_rx *rx = &q->q_rx;
7582 		struct mcx_tx *tx = &q->q_tx;
7583 		struct mcx_cq *cq = &q->q_cq;
7584 
7585 		if (rx->rx_rqn != 0)
7586 			mcx_destroy_rq(sc, rx);
7587 
7588 		if (tx->tx_sqn != 0)
7589 			mcx_destroy_sq(sc, tx);
7590 
7591 		if (tx->tx_slots != NULL) {
7592 			mcx_free_slots(sc, tx->tx_slots,
7593 			    (1 << MCX_LOG_SQ_SIZE), (1 << MCX_LOG_SQ_SIZE));
7594 			tx->tx_slots = NULL;
7595 		}
7596 		if (rx->rx_slots != NULL) {
7597 			mcx_free_slots(sc, rx->rx_slots,
7598 			    (1 << MCX_LOG_RQ_SIZE), (1 << MCX_LOG_RQ_SIZE));
7599 			rx->rx_slots = NULL;
7600 		}
7601 
7602 		if (cq->cq_n != 0)
7603 			mcx_destroy_cq(sc, cq);
7604 	}
7605 	if (sc->sc_tis != 0) {
7606 		mcx_destroy_tis(sc, sc->sc_tis);
7607 		sc->sc_tis = 0;
7608 	}
7609 }
7610 
7611 static int
7612 mcx_ioctl(struct ifnet *ifp, u_long cmd, void *data)
7613 {
7614 	struct mcx_softc *sc = (struct mcx_softc *)ifp->if_softc;
7615 	struct ifreq *ifr = (struct ifreq *)data;
7616 	struct ethercom *ec = &sc->sc_ec;
7617 	uint8_t addrhi[ETHER_ADDR_LEN], addrlo[ETHER_ADDR_LEN];
7618 	struct ether_multi *enm;
7619 	struct ether_multistep step;
7620 	int s, i, flags, error = 0;
7621 	uint32_t dest;
7622 
7623 	s = splnet();
7624 	switch (cmd) {
7625 
7626 	case SIOCADDMULTI:
7627 		if (ether_addmulti(ifreq_getaddr(cmd, ifr), &sc->sc_ec) == ENETRESET) {
7628 			error = ether_multiaddr(&ifr->ifr_addr, addrlo, addrhi);
7629 			if (error != 0) {
7630 				splx(s);
7631 				return (error);
7632 			}
7633 
7634 			dest = MCX_FLOW_CONTEXT_DEST_TYPE_TABLE |
7635 			    sc->sc_rss_flow_table_id;
7636 
7637 			for (i = 0; i < MCX_NUM_MCAST_FLOWS; i++) {
7638 				if (sc->sc_mcast_flows[i][0] == 0) {
7639 					memcpy(sc->sc_mcast_flows[i], addrlo,
7640 					    ETHER_ADDR_LEN);
7641 					if (ISSET(ifp->if_flags, IFF_RUNNING)) {
7642 						mcx_set_flow_table_entry_mac(sc,
7643 						    MCX_FLOW_GROUP_MAC,
7644 						    sc->sc_mcast_flow_base + i,
7645 						    sc->sc_mcast_flows[i], dest);
7646 					}
7647 					break;
7648 				}
7649 			}
7650 
7651 			if (!ISSET(ifp->if_flags, IFF_ALLMULTI)) {
7652 				if (i == MCX_NUM_MCAST_FLOWS) {
7653 					SET(ifp->if_flags, IFF_ALLMULTI);
7654 					sc->sc_extra_mcast++;
7655 					error = ENETRESET;
7656 				}
7657 
7658 				if (memcmp(addrlo, addrhi, ETHER_ADDR_LEN)) {
7659 					SET(ifp->if_flags, IFF_ALLMULTI);
7660 					error = ENETRESET;
7661 				}
7662 			}
7663 		}
7664 		break;
7665 
7666 	case SIOCDELMULTI:
7667 		if (ether_delmulti(ifreq_getaddr(cmd, ifr), &sc->sc_ec) == ENETRESET) {
7668 			error = ether_multiaddr(&ifr->ifr_addr, addrlo, addrhi);
7669 			if (error != 0) {
7670 				splx(s);
7671 				return (error);
7672 			}
7673 
7674 			for (i = 0; i < MCX_NUM_MCAST_FLOWS; i++) {
7675 				if (memcmp(sc->sc_mcast_flows[i], addrlo,
7676 				    ETHER_ADDR_LEN) == 0) {
7677 					if (ISSET(ifp->if_flags, IFF_RUNNING)) {
7678 						mcx_delete_flow_table_entry(sc,
7679 						    MCX_FLOW_GROUP_MAC,
7680 						    sc->sc_mcast_flow_base + i);
7681 					}
7682 					sc->sc_mcast_flows[i][0] = 0;
7683 					break;
7684 				}
7685 			}
7686 
7687 			if (i == MCX_NUM_MCAST_FLOWS)
7688 				sc->sc_extra_mcast--;
7689 
7690 			if (ISSET(ifp->if_flags, IFF_ALLMULTI) &&
7691 			    sc->sc_extra_mcast == 0) {
7692 				flags = 0;
7693 				ETHER_LOCK(ec);
7694 				ETHER_FIRST_MULTI(step, ec, enm);
7695 				while (enm != NULL) {
7696 					if (memcmp(enm->enm_addrlo,
7697 					    enm->enm_addrhi, ETHER_ADDR_LEN)) {
7698 						SET(flags, IFF_ALLMULTI);
7699 						break;
7700 					}
7701 					ETHER_NEXT_MULTI(step, enm);
7702 				}
7703 				ETHER_UNLOCK(ec);
7704 				if (!ISSET(flags, IFF_ALLMULTI)) {
7705 					CLR(ifp->if_flags, IFF_ALLMULTI);
7706 					error = ENETRESET;
7707 				}
7708 			}
7709 		}
7710 		break;
7711 
7712 	default:
7713 		error = ether_ioctl(ifp, cmd, data);
7714 	}
7715 
7716 	if (error == ENETRESET) {
7717 		if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) ==
7718 		    (IFF_UP | IFF_RUNNING))
7719 			mcx_iff(sc);
7720 		error = 0;
7721 	}
7722 	splx(s);
7723 
7724 	return (error);
7725 }
7726 
7727 #if 0
7728 static int
7729 mcx_get_sffpage(struct ifnet *ifp, struct if_sffpage *sff)
7730 {
7731 	struct mcx_softc *sc = (struct mcx_softc *)ifp->if_softc;
7732 	struct mcx_reg_mcia mcia;
7733 	struct mcx_reg_pmlp pmlp;
7734 	int offset, error;
7735 
7736 	/* get module number */
7737 	memset(&pmlp, 0, sizeof(pmlp));
7738 	pmlp.rp_local_port = 1;
7739 	error = mcx_access_hca_reg(sc, MCX_REG_PMLP, MCX_REG_OP_READ, &pmlp,
7740 	    sizeof(pmlp));
7741 	if (error != 0) {
7742 		printf("%s: unable to get eeprom module number\n",
7743 		    DEVNAME(sc));
7744 		return error;
7745 	}
7746 
7747 	for (offset = 0; offset < 256; offset += MCX_MCIA_EEPROM_BYTES) {
7748 		memset(&mcia, 0, sizeof(mcia));
7749 		mcia.rm_l = 0;
7750 		mcia.rm_module = be32toh(pmlp.rp_lane0_mapping) &
7751 		    MCX_PMLP_MODULE_NUM_MASK;
7752 		mcia.rm_i2c_addr = sff->sff_addr / 2;	/* apparently */
7753 		mcia.rm_page_num = sff->sff_page;
7754 		mcia.rm_dev_addr = htobe16(offset);
7755 		mcia.rm_size = htobe16(MCX_MCIA_EEPROM_BYTES);
7756 
7757 		error = mcx_access_hca_reg(sc, MCX_REG_MCIA, MCX_REG_OP_READ,
7758 		    &mcia, sizeof(mcia));
7759 		if (error != 0) {
7760 			printf("%s: unable to read eeprom at %x\n",
7761 			    DEVNAME(sc), offset);
7762 			return error;
7763 		}
7764 
7765 		memcpy(sff->sff_data + offset, mcia.rm_data,
7766 		    MCX_MCIA_EEPROM_BYTES);
7767 	}
7768 
7769 	return 0;
7770 }
7771 #endif
7772 
7773 static int
7774 mcx_load_mbuf(struct mcx_softc *sc, struct mcx_slot *ms, struct mbuf *m)
7775 {
7776 	switch (bus_dmamap_load_mbuf(sc->sc_dmat, ms->ms_map, m,
7777 	    BUS_DMA_STREAMING | BUS_DMA_NOWAIT)) {
7778 	case 0:
7779 		break;
7780 
7781 	case EFBIG:
7782 		if (m_defrag(m, M_DONTWAIT) != NULL &&
7783 		    bus_dmamap_load_mbuf(sc->sc_dmat, ms->ms_map, m,
7784 		    BUS_DMA_STREAMING | BUS_DMA_NOWAIT) == 0)
7785 			break;
7786 
7787 		/* FALLTHROUGH */
7788 	default:
7789 		return (1);
7790 	}
7791 
7792 	ms->ms_m = m;
7793 	return (0);
7794 }
7795 
7796 static void
7797 mcx_send_common_locked(struct ifnet *ifp, struct mcx_tx *tx, bool is_transmit)
7798 {
7799 	struct mcx_softc *sc = ifp->if_softc;
7800 	struct mcx_sq_entry *sq, *sqe;
7801 	struct mcx_sq_entry_seg *sqs;
7802 	struct mcx_slot *ms;
7803 	bus_dmamap_t map;
7804 	struct mbuf *m;
7805 	u_int idx, free, used;
7806 	uint64_t *bf;
7807 	uint32_t csum;
7808 	size_t bf_base;
7809 	int i, seg, nseg;
7810 
7811 	KASSERT(mutex_owned(&tx->tx_lock));
7812 
7813 	if ((ifp->if_flags & IFF_RUNNING) == 0)
7814 		return;
7815 
7816 	bf_base = (tx->tx_uar * MCX_PAGE_SIZE) + MCX_UAR_BF;
7817 
7818 	idx = tx->tx_prod % (1 << MCX_LOG_SQ_SIZE);
7819 	free = (tx->tx_cons + (1 << MCX_LOG_SQ_SIZE)) - tx->tx_prod;
7820 
7821 	used = 0;
7822 	bf = NULL;
7823 
7824 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&tx->tx_sq_mem),
7825 	    0, MCX_DMA_LEN(&tx->tx_sq_mem), BUS_DMASYNC_POSTWRITE);
7826 
7827 	sq = (struct mcx_sq_entry *)MCX_DMA_KVA(&tx->tx_sq_mem);
7828 
7829 	for (;;) {
7830 		if (used + MCX_SQ_ENTRY_MAX_SLOTS >= free) {
7831 			SET(ifp->if_flags, IFF_OACTIVE);
7832 			break;
7833 		}
7834 
7835 		if (is_transmit) {
7836 			m = pcq_get(tx->tx_pcq);
7837 		} else {
7838 			IFQ_DEQUEUE(&ifp->if_snd, m);
7839 		}
7840 		if (m == NULL) {
7841 			break;
7842 		}
7843 
7844 		sqe = sq + idx;
7845 		ms = &tx->tx_slots[idx];
7846 		memset(sqe, 0, sizeof(*sqe));
7847 
7848 		/* ctrl segment */
7849 		sqe->sqe_opcode_index = htobe32(MCX_SQE_WQE_OPCODE_SEND |
7850 		    ((tx->tx_prod & 0xffff) << MCX_SQE_WQE_INDEX_SHIFT));
7851 		/* always generate a completion event */
7852 		sqe->sqe_signature = htobe32(MCX_SQE_CE_CQE_ALWAYS);
7853 
7854 		/* eth segment */
7855 		csum = 0;
7856 		if (m->m_pkthdr.csum_flags & M_CSUM_IPv4)
7857 			csum |= MCX_SQE_L3_CSUM;
7858 		if (m->m_pkthdr.csum_flags &
7859 		    (M_CSUM_TCPv4 | M_CSUM_UDPv4 | M_CSUM_TCPv6 | M_CSUM_UDPv6))
7860 			csum |= MCX_SQE_L4_CSUM;
7861 		sqe->sqe_mss_csum = htobe32(csum);
7862 		sqe->sqe_inline_header_size = htobe16(MCX_SQ_INLINE_SIZE);
7863 		if (vlan_has_tag(m)) {
7864 			struct ether_vlan_header *evh;
7865 			evh = (struct ether_vlan_header *)
7866 			    &sqe->sqe_inline_headers;
7867 
7868 			m_copydata(m, 0, ETHER_HDR_LEN, evh);
7869 			evh->evl_proto = evh->evl_encap_proto;
7870 			evh->evl_encap_proto = htons(ETHERTYPE_VLAN);
7871 			evh->evl_tag = htons(vlan_get_tag(m));
7872 			m_adj(m, ETHER_HDR_LEN);
7873 		} else {
7874 			m_copydata(m, 0, MCX_SQ_INLINE_SIZE,
7875 			    sqe->sqe_inline_headers);
7876 			m_adj(m, MCX_SQ_INLINE_SIZE);
7877 		}
7878 
7879 		if (mcx_load_mbuf(sc, ms, m) != 0) {
7880 			m_freem(m);
7881 			if_statinc(ifp, if_oerrors);
7882 			continue;
7883 		}
7884 		bf = (uint64_t *)sqe;
7885 
7886 		if (ifp->if_bpf != NULL)
7887 			bpf_mtap2(ifp->if_bpf, sqe->sqe_inline_headers,
7888 			    MCX_SQ_INLINE_SIZE, m, BPF_D_OUT);
7889 
7890 		map = ms->ms_map;
7891 		bus_dmamap_sync(sc->sc_dmat, map, 0, map->dm_mapsize,
7892 		    BUS_DMASYNC_PREWRITE);
7893 
7894 		sqe->sqe_ds_sq_num =
7895 		    htobe32((tx->tx_sqn << MCX_SQE_SQ_NUM_SHIFT) |
7896 		    (map->dm_nsegs + 3));
7897 
7898 		/* data segment - first wqe has one segment */
7899 		sqs = sqe->sqe_segs;
7900 		seg = 0;
7901 		nseg = 1;
7902 		for (i = 0; i < map->dm_nsegs; i++) {
7903 			if (seg == nseg) {
7904 				/* next slot */
7905 				idx++;
7906 				if (idx == (1 << MCX_LOG_SQ_SIZE))
7907 					idx = 0;
7908 				tx->tx_prod++;
7909 				used++;
7910 
7911 				sqs = (struct mcx_sq_entry_seg *)(sq + idx);
7912 				seg = 0;
7913 				nseg = MCX_SQ_SEGS_PER_SLOT;
7914 			}
7915 			sqs[seg].sqs_byte_count =
7916 			    htobe32(map->dm_segs[i].ds_len);
7917 			sqs[seg].sqs_lkey = htobe32(sc->sc_lkey);
7918 			sqs[seg].sqs_addr = htobe64(map->dm_segs[i].ds_addr);
7919 			seg++;
7920 		}
7921 
7922 		idx++;
7923 		if (idx == (1 << MCX_LOG_SQ_SIZE))
7924 			idx = 0;
7925 		tx->tx_prod++;
7926 		used++;
7927 	}
7928 
7929 	bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&tx->tx_sq_mem),
7930 	    0, MCX_DMA_LEN(&tx->tx_sq_mem), BUS_DMASYNC_PREWRITE);
7931 
7932 	if (used) {
7933 		bus_size_t blueflame;
7934 
7935 		bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&sc->sc_doorbell_mem),
7936 		    tx->tx_doorbell, sizeof(uint32_t), BUS_DMASYNC_POSTWRITE);
7937 		be32enc(MCX_DMA_OFF(&sc->sc_doorbell_mem, tx->tx_doorbell),
7938 		    tx->tx_prod & MCX_WQ_DOORBELL_MASK);
7939 		bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&sc->sc_doorbell_mem),
7940 		    tx->tx_doorbell, sizeof(uint32_t), BUS_DMASYNC_PREWRITE);
7941 
7942 		/*
7943 		 * write the first 64 bits of the last sqe we produced
7944 		 * to the blue flame buffer
7945 		 */
7946 
7947 		blueflame = bf_base + tx->tx_bf_offset;
7948 		bus_space_write_8(sc->sc_memt, sc->sc_memh,
7949 		    blueflame, *bf);
7950 		mcx_bar(sc, blueflame, sizeof(*bf), BUS_SPACE_BARRIER_WRITE);
7951 
7952 		/* next write goes to the other buffer */
7953 		tx->tx_bf_offset ^= sc->sc_bf_size;
7954 	}
7955 }
7956 
7957 static void
7958 mcx_start(struct ifnet *ifp)
7959 {
7960 	struct mcx_softc *sc = ifp->if_softc;
7961 	/* mcx_start() always uses TX ring[0] */
7962 	struct mcx_tx *tx = &sc->sc_queues[0].q_tx;
7963 
7964 	mutex_enter(&tx->tx_lock);
7965 	if (!ISSET(ifp->if_flags, IFF_OACTIVE)) {
7966 		mcx_send_common_locked(ifp, tx, false);
7967 	}
7968 	mutex_exit(&tx->tx_lock);
7969 }
7970 
7971 static int
7972 mcx_transmit(struct ifnet *ifp, struct mbuf *m)
7973 {
7974 	struct mcx_softc *sc = ifp->if_softc;
7975 	struct mcx_tx *tx;
7976 
7977 	tx = &sc->sc_queues[cpu_index(curcpu()) % sc->sc_nqueues].q_tx;
7978 	if (__predict_false(!pcq_put(tx->tx_pcq, m))) {
7979 		m_freem(m);
7980 		return ENOBUFS;
7981 	}
7982 
7983 	if (mutex_tryenter(&tx->tx_lock)) {
7984 		mcx_send_common_locked(ifp, tx, true);
7985 		mutex_exit(&tx->tx_lock);
7986 	} else {
7987 		softint_schedule(tx->tx_softint);
7988 	}
7989 
7990 	return 0;
7991 }
7992 
7993 static void
7994 mcx_deferred_transmit(void *arg)
7995 {
7996 	struct mcx_tx *tx = arg;
7997 	struct mcx_softc *sc = tx->tx_softc;
7998 	struct ifnet *ifp = &sc->sc_ec.ec_if;
7999 
8000 	mutex_enter(&tx->tx_lock);
8001 	if (pcq_peek(tx->tx_pcq) != NULL) {
8002 		mcx_send_common_locked(ifp, tx, true);
8003 	}
8004 	mutex_exit(&tx->tx_lock);
8005 }
8006 
8007 
8008 static void
8009 mcx_media_add_types(struct mcx_softc *sc)
8010 {
8011 	struct mcx_reg_ptys ptys;
8012 	int i;
8013 	uint32_t proto_cap;
8014 
8015 	memset(&ptys, 0, sizeof(ptys));
8016 	ptys.rp_local_port = 1;
8017 	ptys.rp_proto_mask = MCX_REG_PTYS_PROTO_MASK_ETH;
8018 	if (mcx_access_hca_reg(sc, MCX_REG_PTYS, MCX_REG_OP_READ, &ptys,
8019 	    sizeof(ptys)) != 0) {
8020 		printf("%s: unable to read port type/speed\n", DEVNAME(sc));
8021 		return;
8022 	}
8023 
8024 	proto_cap = be32toh(ptys.rp_eth_proto_cap);
8025 	for (i = 0; i < __arraycount(mcx_eth_cap_map); i++) {
8026 		const struct mcx_eth_proto_capability *cap;
8027 		if (!ISSET(proto_cap, 1U << i))
8028 			continue;
8029 
8030 		cap = &mcx_eth_cap_map[i];
8031 		if (cap->cap_media == 0)
8032 			continue;
8033 
8034 		ifmedia_add(&sc->sc_media, IFM_ETHER | cap->cap_media, 0, NULL);
8035 	}
8036 }
8037 
8038 static void
8039 mcx_media_status(struct ifnet *ifp, struct ifmediareq *ifmr)
8040 {
8041 	struct mcx_softc *sc = (struct mcx_softc *)ifp->if_softc;
8042 	struct mcx_reg_ptys ptys;
8043 	int i;
8044 	uint32_t proto_oper;
8045 	uint64_t media_oper;
8046 
8047 	memset(&ptys, 0, sizeof(ptys));
8048 	ptys.rp_local_port = 1;
8049 	ptys.rp_proto_mask = MCX_REG_PTYS_PROTO_MASK_ETH;
8050 
8051 	if (mcx_access_hca_reg(sc, MCX_REG_PTYS, MCX_REG_OP_READ, &ptys,
8052 	    sizeof(ptys)) != 0) {
8053 		printf("%s: unable to read port type/speed\n", DEVNAME(sc));
8054 		return;
8055 	}
8056 
8057 	proto_oper = be32toh(ptys.rp_eth_proto_oper);
8058 
8059 	media_oper = 0;
8060 
8061 	for (i = 0; i < __arraycount(mcx_eth_cap_map); i++) {
8062 		const struct mcx_eth_proto_capability *cap;
8063 		if (!ISSET(proto_oper, 1U << i))
8064 			continue;
8065 
8066 		cap = &mcx_eth_cap_map[i];
8067 
8068 		if (cap->cap_media != 0)
8069 			media_oper = cap->cap_media;
8070 	}
8071 
8072 	ifmr->ifm_status = IFM_AVALID;
8073 	if (proto_oper != 0) {
8074 		ifmr->ifm_status |= IFM_ACTIVE;
8075 		ifmr->ifm_active = IFM_ETHER | IFM_FDX | IFM_AUTO | media_oper;
8076 		/* txpause, rxpause, duplex? */
8077 	}
8078 }
8079 
8080 static int
8081 mcx_media_change(struct ifnet *ifp)
8082 {
8083 	struct mcx_softc *sc = (struct mcx_softc *)ifp->if_softc;
8084 	struct mcx_reg_ptys ptys;
8085 	struct mcx_reg_paos paos;
8086 	uint32_t media;
8087 	int i, error;
8088 
8089 	if (IFM_TYPE(sc->sc_media.ifm_media) != IFM_ETHER)
8090 		return EINVAL;
8091 
8092 	error = 0;
8093 
8094 	if (IFM_SUBTYPE(sc->sc_media.ifm_media) == IFM_AUTO) {
8095 		/* read ptys to get supported media */
8096 		memset(&ptys, 0, sizeof(ptys));
8097 		ptys.rp_local_port = 1;
8098 		ptys.rp_proto_mask = MCX_REG_PTYS_PROTO_MASK_ETH;
8099 		if (mcx_access_hca_reg(sc, MCX_REG_PTYS, MCX_REG_OP_READ,
8100 		    &ptys, sizeof(ptys)) != 0) {
8101 			printf("%s: unable to read port type/speed\n",
8102 			    DEVNAME(sc));
8103 			return EIO;
8104 		}
8105 
8106 		media = be32toh(ptys.rp_eth_proto_cap);
8107 	} else {
8108 		/* map media type */
8109 		media = 0;
8110 		for (i = 0; i < __arraycount(mcx_eth_cap_map); i++) {
8111 			const struct mcx_eth_proto_capability *cap;
8112 
8113 			cap = &mcx_eth_cap_map[i];
8114 			if (cap->cap_media ==
8115 			    IFM_SUBTYPE(sc->sc_media.ifm_media)) {
8116 				media = (1 << i);
8117 				break;
8118 			}
8119 		}
8120 	}
8121 
8122 	/* disable the port */
8123 	memset(&paos, 0, sizeof(paos));
8124 	paos.rp_local_port = 1;
8125 	paos.rp_admin_status = MCX_REG_PAOS_ADMIN_STATUS_DOWN;
8126 	paos.rp_admin_state_update = MCX_REG_PAOS_ADMIN_STATE_UPDATE_EN;
8127 	if (mcx_access_hca_reg(sc, MCX_REG_PAOS, MCX_REG_OP_WRITE, &paos,
8128 	    sizeof(paos)) != 0) {
8129 		printf("%s: unable to set port state to down\n", DEVNAME(sc));
8130 		return EIO;
8131 	}
8132 
8133 	memset(&ptys, 0, sizeof(ptys));
8134 	ptys.rp_local_port = 1;
8135 	ptys.rp_proto_mask = MCX_REG_PTYS_PROTO_MASK_ETH;
8136 	ptys.rp_eth_proto_admin = htobe32(media);
8137 	if (mcx_access_hca_reg(sc, MCX_REG_PTYS, MCX_REG_OP_WRITE, &ptys,
8138 	    sizeof(ptys)) != 0) {
8139 		printf("%s: unable to set port media type/speed\n",
8140 		    DEVNAME(sc));
8141 		error = EIO;
8142 	}
8143 
8144 	/* re-enable the port to start negotiation */
8145 	memset(&paos, 0, sizeof(paos));
8146 	paos.rp_local_port = 1;
8147 	paos.rp_admin_status = MCX_REG_PAOS_ADMIN_STATUS_UP;
8148 	paos.rp_admin_state_update = MCX_REG_PAOS_ADMIN_STATE_UPDATE_EN;
8149 	if (mcx_access_hca_reg(sc, MCX_REG_PAOS, MCX_REG_OP_WRITE, &paos,
8150 	    sizeof(paos)) != 0) {
8151 		printf("%s: unable to set port state to up\n", DEVNAME(sc));
8152 		error = EIO;
8153 	}
8154 
8155 	return error;
8156 }
8157 
8158 static void
8159 mcx_port_change(struct work *wk, void *xsc)
8160 {
8161 	struct mcx_softc *sc = xsc;
8162 	struct ifnet *ifp = &sc->sc_ec.ec_if;
8163 	struct mcx_reg_ptys ptys = {
8164 		.rp_local_port = 1,
8165 		.rp_proto_mask = MCX_REG_PTYS_PROTO_MASK_ETH,
8166 	};
8167 	int link_state = LINK_STATE_DOWN;
8168 
8169 	if (mcx_access_hca_reg(sc, MCX_REG_PTYS, MCX_REG_OP_READ, &ptys,
8170 	    sizeof(ptys)) == 0) {
8171 		uint32_t proto_oper = be32toh(ptys.rp_eth_proto_oper);
8172 		uint64_t baudrate = 0;
8173 		unsigned int i;
8174 
8175 		if (proto_oper != 0)
8176 			link_state = LINK_STATE_UP;
8177 
8178 		for (i = 0; i < __arraycount(mcx_eth_cap_map); i++) {
8179 			const struct mcx_eth_proto_capability *cap;
8180 			if (!ISSET(proto_oper, 1U << i))
8181 				continue;
8182 
8183 			cap = &mcx_eth_cap_map[i];
8184 			if (cap->cap_baudrate == 0)
8185 				continue;
8186 
8187 			baudrate = cap->cap_baudrate;
8188 			break;
8189 		}
8190 
8191 		ifp->if_baudrate = baudrate;
8192 	}
8193 
8194 	if (link_state != ifp->if_link_state) {
8195 		if_link_state_change(ifp, link_state);
8196 	}
8197 }
8198 
8199 
8200 static inline uint32_t
8201 mcx_rd(struct mcx_softc *sc, bus_size_t r)
8202 {
8203 	uint32_t word;
8204 
8205 	word = bus_space_read_4(sc->sc_memt, sc->sc_memh, r);
8206 
8207 	return (be32toh(word));
8208 }
8209 
8210 static inline void
8211 mcx_wr(struct mcx_softc *sc, bus_size_t r, uint32_t v)
8212 {
8213 	bus_space_write_4(sc->sc_memt, sc->sc_memh, r, htobe32(v));
8214 }
8215 
8216 static inline void
8217 mcx_bar(struct mcx_softc *sc, bus_size_t r, bus_size_t l, int f)
8218 {
8219 #ifndef __NetBSD__
8220 	bus_space_barrier(sc->sc_memt, sc->sc_memh, r, l, f);
8221 #endif
8222 }
8223 
8224 static uint64_t
8225 mcx_timer(struct mcx_softc *sc)
8226 {
8227 	uint32_t hi, lo, ni;
8228 
8229 	hi = mcx_rd(sc, MCX_INTERNAL_TIMER_H);
8230 	for (;;) {
8231 		lo = mcx_rd(sc, MCX_INTERNAL_TIMER_L);
8232 		mcx_bar(sc, MCX_INTERNAL_TIMER_L, 8, BUS_SPACE_BARRIER_READ);
8233 		ni = mcx_rd(sc, MCX_INTERNAL_TIMER_H);
8234 
8235 		if (ni == hi)
8236 			break;
8237 
8238 		hi = ni;
8239 	}
8240 
8241 	return (((uint64_t)hi << 32) | (uint64_t)lo);
8242 }
8243 
8244 static int
8245 mcx_dmamem_alloc(struct mcx_softc *sc, struct mcx_dmamem *mxm,
8246     bus_size_t size, u_int align)
8247 {
8248 	mxm->mxm_size = size;
8249 
8250 	if (bus_dmamap_create(sc->sc_dmat, mxm->mxm_size, 1,
8251 	    mxm->mxm_size, 0,
8252 	    BUS_DMA_WAITOK | BUS_DMA_ALLOCNOW,
8253 	    &mxm->mxm_map) != 0)
8254 		return (1);
8255 	if (bus_dmamem_alloc(sc->sc_dmat, mxm->mxm_size,
8256 	    align, 0, &mxm->mxm_seg, 1, &mxm->mxm_nsegs,
8257 	    BUS_DMA_WAITOK) != 0)
8258 		goto destroy;
8259 	if (bus_dmamem_map(sc->sc_dmat, &mxm->mxm_seg, mxm->mxm_nsegs,
8260 	    mxm->mxm_size, &mxm->mxm_kva,
8261 	    BUS_DMA_WAITOK | BUS_DMA_COHERENT) != 0)
8262 		goto free;
8263 	if (bus_dmamap_load(sc->sc_dmat, mxm->mxm_map, mxm->mxm_kva,
8264 	    mxm->mxm_size, NULL, BUS_DMA_WAITOK) != 0)
8265 		goto unmap;
8266 
8267 	mcx_dmamem_zero(mxm);
8268 
8269 	return (0);
8270 unmap:
8271 	bus_dmamem_unmap(sc->sc_dmat, mxm->mxm_kva, mxm->mxm_size);
8272 free:
8273 	bus_dmamem_free(sc->sc_dmat, &mxm->mxm_seg, 1);
8274 destroy:
8275 	bus_dmamap_destroy(sc->sc_dmat, mxm->mxm_map);
8276 	return (1);
8277 }
8278 
8279 static void
8280 mcx_dmamem_zero(struct mcx_dmamem *mxm)
8281 {
8282 	memset(MCX_DMA_KVA(mxm), 0, MCX_DMA_LEN(mxm));
8283 }
8284 
8285 static void
8286 mcx_dmamem_free(struct mcx_softc *sc, struct mcx_dmamem *mxm)
8287 {
8288 	bus_dmamap_unload(sc->sc_dmat, mxm->mxm_map);
8289 	bus_dmamem_unmap(sc->sc_dmat, mxm->mxm_kva, mxm->mxm_size);
8290 	bus_dmamem_free(sc->sc_dmat, &mxm->mxm_seg, 1);
8291 	bus_dmamap_destroy(sc->sc_dmat, mxm->mxm_map);
8292 }
8293 
8294 static int
8295 mcx_hwmem_alloc(struct mcx_softc *sc, struct mcx_hwmem *mhm, unsigned int pages)
8296 {
8297 	bus_dma_segment_t *segs;
8298 	bus_size_t len = pages * MCX_PAGE_SIZE;
8299 	size_t seglen;
8300 
8301 	segs = kmem_alloc(sizeof(*segs) * pages, KM_SLEEP);
8302 	seglen = sizeof(*segs) * pages;
8303 
8304 	if (bus_dmamem_alloc(sc->sc_dmat, len, MCX_PAGE_SIZE, 0,
8305 	    segs, pages, &mhm->mhm_seg_count, BUS_DMA_NOWAIT) != 0)
8306 		goto free_segs;
8307 
8308 	if (mhm->mhm_seg_count < pages) {
8309 		size_t nseglen;
8310 
8311 		mhm->mhm_segs = kmem_alloc(
8312 		    sizeof(*mhm->mhm_segs) * mhm->mhm_seg_count, KM_SLEEP);
8313 
8314 		nseglen = sizeof(*mhm->mhm_segs) * mhm->mhm_seg_count;
8315 
8316 		memcpy(mhm->mhm_segs, segs, nseglen);
8317 
8318 		kmem_free(segs, seglen);
8319 
8320 		segs = mhm->mhm_segs;
8321 		seglen = nseglen;
8322 	} else
8323 		mhm->mhm_segs = segs;
8324 
8325 	if (bus_dmamap_create(sc->sc_dmat, len, pages, MCX_PAGE_SIZE,
8326 	    MCX_PAGE_SIZE, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW /*|BUS_DMA_64BIT*/,
8327 	    &mhm->mhm_map) != 0)
8328 		goto free_dmamem;
8329 
8330 	if (bus_dmamap_load_raw(sc->sc_dmat, mhm->mhm_map,
8331 	    mhm->mhm_segs, mhm->mhm_seg_count, len, BUS_DMA_NOWAIT) != 0)
8332 		goto destroy;
8333 
8334 	bus_dmamap_sync(sc->sc_dmat, mhm->mhm_map,
8335 	    0, mhm->mhm_map->dm_mapsize, BUS_DMASYNC_PRERW);
8336 
8337 	mhm->mhm_npages = pages;
8338 
8339 	return (0);
8340 
8341 destroy:
8342 	bus_dmamap_destroy(sc->sc_dmat, mhm->mhm_map);
8343 free_dmamem:
8344 	bus_dmamem_free(sc->sc_dmat, mhm->mhm_segs, mhm->mhm_seg_count);
8345 free_segs:
8346 	kmem_free(segs, seglen);
8347 	mhm->mhm_segs = NULL;
8348 
8349 	return (-1);
8350 }
8351 
8352 static void
8353 mcx_hwmem_free(struct mcx_softc *sc, struct mcx_hwmem *mhm)
8354 {
8355 	if (mhm->mhm_npages == 0)
8356 		return;
8357 
8358 	bus_dmamap_sync(sc->sc_dmat, mhm->mhm_map,
8359 	    0, mhm->mhm_map->dm_mapsize, BUS_DMASYNC_POSTRW);
8360 
8361 	bus_dmamap_unload(sc->sc_dmat, mhm->mhm_map);
8362 	bus_dmamap_destroy(sc->sc_dmat, mhm->mhm_map);
8363 	bus_dmamem_free(sc->sc_dmat, mhm->mhm_segs, mhm->mhm_seg_count);
8364 	kmem_free(mhm->mhm_segs, sizeof(*mhm->mhm_segs) * mhm->mhm_seg_count);
8365 
8366 	mhm->mhm_npages = 0;
8367 }
8368 
8369 #if NKSTAT > 0
8370 struct mcx_ppcnt {
8371 	char			 name[KSTAT_KV_NAMELEN];
8372 	enum kstat_kv_unit	 unit;
8373 };
8374 
8375 static const struct mcx_ppcnt mcx_ppcnt_ieee8023_tpl[] = {
8376 	{ "Good Tx",		KSTAT_KV_U_PACKETS, },
8377 	{ "Good Rx",		KSTAT_KV_U_PACKETS, },
8378 	{ "FCS errs",		KSTAT_KV_U_PACKETS, },
8379 	{ "Alignment Errs",	KSTAT_KV_U_PACKETS, },
8380 	{ "Good Tx",		KSTAT_KV_U_BYTES, },
8381 	{ "Good Rx",		KSTAT_KV_U_BYTES, },
8382 	{ "Multicast Tx",	KSTAT_KV_U_PACKETS, },
8383 	{ "Broadcast Tx",	KSTAT_KV_U_PACKETS, },
8384 	{ "Multicast Rx",	KSTAT_KV_U_PACKETS, },
8385 	{ "Broadcast Rx",	KSTAT_KV_U_PACKETS, },
8386 	{ "In Range Len",	KSTAT_KV_U_PACKETS, },
8387 	{ "Out Of Range Len",	KSTAT_KV_U_PACKETS, },
8388 	{ "Frame Too Long",	KSTAT_KV_U_PACKETS, },
8389 	{ "Symbol Errs",	KSTAT_KV_U_PACKETS, },
8390 	{ "MAC Ctrl Tx",	KSTAT_KV_U_PACKETS, },
8391 	{ "MAC Ctrl Rx",	KSTAT_KV_U_PACKETS, },
8392 	{ "MAC Ctrl Unsup",	KSTAT_KV_U_PACKETS, },
8393 	{ "Pause Rx",		KSTAT_KV_U_PACKETS, },
8394 	{ "Pause Tx",		KSTAT_KV_U_PACKETS, },
8395 };
8396 CTASSERT(__arraycount(mcx_ppcnt_ieee8023_tpl) == mcx_ppcnt_ieee8023_count);
8397 
8398 static const struct mcx_ppcnt mcx_ppcnt_rfc2863_tpl[] = {
8399 	{ "Rx Bytes",		KSTAT_KV_U_BYTES, },
8400 	{ "Rx Unicast",		KSTAT_KV_U_PACKETS, },
8401 	{ "Rx Discards",	KSTAT_KV_U_PACKETS, },
8402 	{ "Rx Errors",		KSTAT_KV_U_PACKETS, },
8403 	{ "Rx Unknown Proto",	KSTAT_KV_U_PACKETS, },
8404 	{ "Tx Bytes",		KSTAT_KV_U_BYTES, },
8405 	{ "Tx Unicast",		KSTAT_KV_U_PACKETS, },
8406 	{ "Tx Discards",	KSTAT_KV_U_PACKETS, },
8407 	{ "Tx Errors",		KSTAT_KV_U_PACKETS, },
8408 	{ "Rx Multicast",	KSTAT_KV_U_PACKETS, },
8409 	{ "Rx Broadcast",	KSTAT_KV_U_PACKETS, },
8410 	{ "Tx Multicast",	KSTAT_KV_U_PACKETS, },
8411 	{ "Tx Broadcast",	KSTAT_KV_U_PACKETS, },
8412 };
8413 CTASSERT(__arraycount(mcx_ppcnt_rfc2863_tpl) == mcx_ppcnt_rfc2863_count);
8414 
8415 static const struct mcx_ppcnt mcx_ppcnt_rfc2819_tpl[] = {
8416 	{ "Drop Events",	KSTAT_KV_U_PACKETS, },
8417 	{ "Octets",		KSTAT_KV_U_BYTES, },
8418 	{ "Packets",		KSTAT_KV_U_PACKETS, },
8419 	{ "Broadcasts",		KSTAT_KV_U_PACKETS, },
8420 	{ "Multicasts",		KSTAT_KV_U_PACKETS, },
8421 	{ "CRC Align Errs",	KSTAT_KV_U_PACKETS, },
8422 	{ "Undersize",		KSTAT_KV_U_PACKETS, },
8423 	{ "Oversize",		KSTAT_KV_U_PACKETS, },
8424 	{ "Fragments",		KSTAT_KV_U_PACKETS, },
8425 	{ "Jabbers",		KSTAT_KV_U_PACKETS, },
8426 	{ "Collisions",		KSTAT_KV_U_NONE, },
8427 	{ "64B",		KSTAT_KV_U_PACKETS, },
8428 	{ "65-127B",		KSTAT_KV_U_PACKETS, },
8429 	{ "128-255B",		KSTAT_KV_U_PACKETS, },
8430 	{ "256-511B",		KSTAT_KV_U_PACKETS, },
8431 	{ "512-1023B",		KSTAT_KV_U_PACKETS, },
8432 	{ "1024-1518B",		KSTAT_KV_U_PACKETS, },
8433 	{ "1519-2047B",		KSTAT_KV_U_PACKETS, },
8434 	{ "2048-4095B",		KSTAT_KV_U_PACKETS, },
8435 	{ "4096-8191B",		KSTAT_KV_U_PACKETS, },
8436 	{ "8192-10239B",	KSTAT_KV_U_PACKETS, },
8437 };
8438 CTASSERT(__arraycount(mcx_ppcnt_rfc2819_tpl) == mcx_ppcnt_rfc2819_count);
8439 
8440 static const struct mcx_ppcnt mcx_ppcnt_rfc3635_tpl[] = {
8441 	{ "Alignment Errs",	KSTAT_KV_U_PACKETS, },
8442 	{ "FCS Errs",		KSTAT_KV_U_PACKETS, },
8443 	{ "Single Colls",	KSTAT_KV_U_PACKETS, },
8444 	{ "Multiple Colls",	KSTAT_KV_U_PACKETS, },
8445 	{ "SQE Test Errs",	KSTAT_KV_U_NONE, },
8446 	{ "Deferred Tx",	KSTAT_KV_U_PACKETS, },
8447 	{ "Late Colls",		KSTAT_KV_U_NONE, },
8448 	{ "Exess Colls",	KSTAT_KV_U_NONE, },
8449 	{ "Int MAC Tx Errs",	KSTAT_KV_U_PACKETS, },
8450 	{ "CSM Sense Errs",	KSTAT_KV_U_NONE, },
8451 	{ "Too Long",		KSTAT_KV_U_PACKETS, },
8452 	{ "Int MAC Rx Errs",	KSTAT_KV_U_PACKETS, },
8453 	{ "Symbol Errs",	KSTAT_KV_U_NONE, },
8454 	{ "Unknown Control",	KSTAT_KV_U_PACKETS, },
8455 	{ "Pause Rx",		KSTAT_KV_U_PACKETS, },
8456 	{ "Pause Tx",		KSTAT_KV_U_PACKETS, },
8457 };
8458 CTASSERT(__arraycount(mcx_ppcnt_rfc3635_tpl) == mcx_ppcnt_rfc3635_count);
8459 
8460 struct mcx_kstat_ppcnt {
8461 	const char		*ksp_name;
8462 	const struct mcx_ppcnt	*ksp_tpl;
8463 	unsigned int		 ksp_n;
8464 	uint8_t			 ksp_grp;
8465 };
8466 
8467 static const struct mcx_kstat_ppcnt mcx_kstat_ppcnt_ieee8023 = {
8468 	.ksp_name =		"ieee802.3",
8469 	.ksp_tpl =		mcx_ppcnt_ieee8023_tpl,
8470 	.ksp_n =		__arraycount(mcx_ppcnt_ieee8023_tpl),
8471 	.ksp_grp =		MCX_REG_PPCNT_GRP_IEEE8023,
8472 };
8473 
8474 static const struct mcx_kstat_ppcnt mcx_kstat_ppcnt_rfc2863 = {
8475 	.ksp_name =		"rfc2863",
8476 	.ksp_tpl =		mcx_ppcnt_rfc2863_tpl,
8477 	.ksp_n =		__arraycount(mcx_ppcnt_rfc2863_tpl),
8478 	.ksp_grp =		MCX_REG_PPCNT_GRP_RFC2863,
8479 };
8480 
8481 static const struct mcx_kstat_ppcnt mcx_kstat_ppcnt_rfc2819 = {
8482 	.ksp_name =		"rfc2819",
8483 	.ksp_tpl =		mcx_ppcnt_rfc2819_tpl,
8484 	.ksp_n =		__arraycount(mcx_ppcnt_rfc2819_tpl),
8485 	.ksp_grp =		MCX_REG_PPCNT_GRP_RFC2819,
8486 };
8487 
8488 static const struct mcx_kstat_ppcnt mcx_kstat_ppcnt_rfc3635 = {
8489 	.ksp_name =		"rfc3635",
8490 	.ksp_tpl =		mcx_ppcnt_rfc3635_tpl,
8491 	.ksp_n =		__arraycount(mcx_ppcnt_rfc3635_tpl),
8492 	.ksp_grp =		MCX_REG_PPCNT_GRP_RFC3635,
8493 };
8494 
8495 static int	mcx_kstat_ppcnt_read(struct kstat *);
8496 
8497 static void	mcx_kstat_attach_tmps(struct mcx_softc *sc);
8498 static void	mcx_kstat_attach_queues(struct mcx_softc *sc);
8499 
8500 static struct kstat *
8501 mcx_kstat_attach_ppcnt(struct mcx_softc *sc,
8502     const struct mcx_kstat_ppcnt *ksp)
8503 {
8504 	struct kstat *ks;
8505 	struct kstat_kv *kvs;
8506 	unsigned int i;
8507 
8508 	ks = kstat_create(DEVNAME(sc), 0, ksp->ksp_name, 0, KSTAT_T_KV, 0);
8509 	if (ks == NULL)
8510 		return (NULL);
8511 
8512 	kvs = mallocarray(ksp->ksp_n, sizeof(*kvs),
8513 	    M_DEVBUF, M_WAITOK);
8514 
8515 	for (i = 0; i < ksp->ksp_n; i++) {
8516 		const struct mcx_ppcnt *tpl = &ksp->ksp_tpl[i];
8517 
8518 		kstat_kv_unit_init(&kvs[i], tpl->name,
8519 		    KSTAT_KV_T_COUNTER64, tpl->unit);
8520 	}
8521 
8522 	ks->ks_softc = sc;
8523 	ks->ks_ptr = (void *)ksp;
8524 	ks->ks_data = kvs;
8525 	ks->ks_datalen = ksp->ksp_n * sizeof(*kvs);
8526 	ks->ks_read = mcx_kstat_ppcnt_read;
8527 
8528 	kstat_install(ks);
8529 
8530 	return (ks);
8531 }
8532 
8533 static void
8534 mcx_kstat_attach(struct mcx_softc *sc)
8535 {
8536 	sc->sc_kstat_ieee8023 = mcx_kstat_attach_ppcnt(sc,
8537 	    &mcx_kstat_ppcnt_ieee8023);
8538 	sc->sc_kstat_rfc2863 = mcx_kstat_attach_ppcnt(sc,
8539 	    &mcx_kstat_ppcnt_rfc2863);
8540 	sc->sc_kstat_rfc2819 = mcx_kstat_attach_ppcnt(sc,
8541 	    &mcx_kstat_ppcnt_rfc2819);
8542 	sc->sc_kstat_rfc3635 = mcx_kstat_attach_ppcnt(sc,
8543 	    &mcx_kstat_ppcnt_rfc3635);
8544 
8545 	mcx_kstat_attach_tmps(sc);
8546 	mcx_kstat_attach_queues(sc);
8547 }
8548 
8549 static int
8550 mcx_kstat_ppcnt_read(struct kstat *ks)
8551 {
8552 	struct mcx_softc *sc = ks->ks_softc;
8553 	struct mcx_kstat_ppcnt *ksp = ks->ks_ptr;
8554 	struct mcx_reg_ppcnt ppcnt = {
8555 		.ppcnt_grp = ksp->ksp_grp,
8556 		.ppcnt_local_port = 1,
8557 	};
8558 	struct kstat_kv *kvs = ks->ks_data;
8559 	uint64_t *vs = (uint64_t *)&ppcnt.ppcnt_counter_set;
8560 	unsigned int i;
8561 	int rv;
8562 
8563 	KERNEL_LOCK(); /* XXX */
8564 	rv = mcx_access_hca_reg(sc, MCX_REG_PPCNT, MCX_REG_OP_READ,
8565 	    &ppcnt, sizeof(ppcnt));
8566 	KERNEL_UNLOCK();
8567 	if (rv != 0)
8568 		return (EIO);
8569 
8570 	nanouptime(&ks->ks_updated);
8571 
8572 	for (i = 0; i < ksp->ksp_n; i++)
8573 		kstat_kv_u64(&kvs[i]) = bemtoh64(&vs[i]);
8574 
8575 	return (0);
8576 }
8577 
8578 struct mcx_kstat_mtmp {
8579 	struct kstat_kv		ktmp_name;
8580 	struct kstat_kv		ktmp_temperature;
8581 	struct kstat_kv		ktmp_threshold_lo;
8582 	struct kstat_kv		ktmp_threshold_hi;
8583 };
8584 
8585 static const struct mcx_kstat_mtmp mcx_kstat_mtmp_tpl = {
8586 	KSTAT_KV_INITIALIZER("name",		KSTAT_KV_T_ISTR),
8587 	KSTAT_KV_INITIALIZER("temperature",	KSTAT_KV_T_TEMP),
8588 	KSTAT_KV_INITIALIZER("lo threshold",	KSTAT_KV_T_TEMP),
8589 	KSTAT_KV_INITIALIZER("hi threshold",	KSTAT_KV_T_TEMP),
8590 };
8591 
8592 static const struct timeval mcx_kstat_mtmp_rate = { 1, 0 };
8593 
8594 static int mcx_kstat_mtmp_read(struct kstat *);
8595 
8596 static void
8597 mcx_kstat_attach_tmps(struct mcx_softc *sc)
8598 {
8599 	struct kstat *ks;
8600 	struct mcx_reg_mcam mcam;
8601 	struct mcx_reg_mtcap mtcap;
8602 	struct mcx_kstat_mtmp *ktmp;
8603 	uint64_t map;
8604 	unsigned int i, n;
8605 
8606 	memset(&mtcap, 0, sizeof(mtcap));
8607 	memset(&mcam, 0, sizeof(mcam));
8608 
8609 	if (sc->sc_mcam_reg == 0) {
8610 		/* no management capabilities */
8611 		return;
8612 	}
8613 
8614 	if (mcx_access_hca_reg(sc, MCX_REG_MCAM, MCX_REG_OP_READ,
8615 	    &mcam, sizeof(mcam)) != 0) {
8616 		/* unable to check management capabilities? */
8617 		return;
8618 	}
8619 
8620 	if (MCX_BITFIELD_BIT(mcam.mcam_feature_cap_mask,
8621 	    MCX_MCAM_FEATURE_CAP_SENSOR_MAP) == 0) {
8622 		/* no sensor map */
8623 		return;
8624 	}
8625 
8626 	if (mcx_access_hca_reg(sc, MCX_REG_MTCAP, MCX_REG_OP_READ,
8627 	    &mtcap, sizeof(mtcap)) != 0) {
8628 		/* unable to find temperature sensors */
8629 		return;
8630 	}
8631 
8632 	sc->sc_kstat_mtmp_count = mtcap.mtcap_sensor_count;
8633 	sc->sc_kstat_mtmp = mallocarray(sc->sc_kstat_mtmp_count,
8634 	    sizeof(*sc->sc_kstat_mtmp), M_DEVBUF, M_WAITOK);
8635 
8636 	n = 0;
8637 	map = bemtoh64(&mtcap.mtcap_sensor_map);
8638 	for (i = 0; i < sizeof(map) * NBBY; i++) {
8639 		if (!ISSET(map, (1ULL << i)))
8640 			continue;
8641 
8642 		ks = kstat_create(DEVNAME(sc), 0, "temperature", i,
8643 		    KSTAT_T_KV, 0);
8644 		if (ks == NULL) {
8645 			/* unable to attach temperature sensor %u, i */
8646 			continue;
8647 		}
8648 
8649 		ktmp = malloc(sizeof(*ktmp), M_DEVBUF, M_WAITOK|M_ZERO);
8650 		*ktmp = mcx_kstat_mtmp_tpl;
8651 
8652 		ks->ks_data = ktmp;
8653 		ks->ks_datalen = sizeof(*ktmp);
8654 		TIMEVAL_TO_TIMESPEC(&mcx_kstat_mtmp_rate, &ks->ks_interval);
8655 		ks->ks_read = mcx_kstat_mtmp_read;
8656 
8657 		ks->ks_softc = sc;
8658 		kstat_install(ks);
8659 
8660 		sc->sc_kstat_mtmp[n++] = ks;
8661 		if (n >= sc->sc_kstat_mtmp_count)
8662 			break;
8663 	}
8664 }
8665 
8666 static uint64_t
8667 mcx_tmp_to_uK(uint16_t *t)
8668 {
8669 	int64_t mt = (int16_t)bemtoh16(t); /* 0.125 C units */
8670 	mt *= 1000000 / 8; /* convert to uC */
8671 	mt += 273150000; /* convert to uK */
8672 
8673 	return (mt);
8674 }
8675 
8676 static int
8677 mcx_kstat_mtmp_read(struct kstat *ks)
8678 {
8679 	struct mcx_softc *sc = ks->ks_softc;
8680 	struct mcx_kstat_mtmp *ktmp = ks->ks_data;
8681 	struct mcx_reg_mtmp mtmp;
8682 	int rv;
8683 	struct timeval updated;
8684 
8685 	TIMESPEC_TO_TIMEVAL(&updated, &ks->ks_updated);
8686 
8687 	if (!ratecheck(&updated, &mcx_kstat_mtmp_rate))
8688 		return (0);
8689 
8690 	memset(&mtmp, 0, sizeof(mtmp));
8691 	htobem16(&mtmp.mtmp_sensor_index, ks->ks_unit);
8692 
8693 	KERNEL_LOCK(); /* XXX */
8694 	rv = mcx_access_hca_reg(sc, MCX_REG_MTMP, MCX_REG_OP_READ,
8695 	    &mtmp, sizeof(mtmp));
8696 	KERNEL_UNLOCK();
8697 	if (rv != 0)
8698 		return (EIO);
8699 
8700 	memset(kstat_kv_istr(&ktmp->ktmp_name), 0,
8701 	    sizeof(kstat_kv_istr(&ktmp->ktmp_name)));
8702 	memcpy(kstat_kv_istr(&ktmp->ktmp_name),
8703 	    mtmp.mtmp_sensor_name, sizeof(mtmp.mtmp_sensor_name));
8704 	kstat_kv_temp(&ktmp->ktmp_temperature) =
8705 	    mcx_tmp_to_uK(&mtmp.mtmp_temperature);
8706 	kstat_kv_temp(&ktmp->ktmp_threshold_lo) =
8707 	    mcx_tmp_to_uK(&mtmp.mtmp_temperature_threshold_lo);
8708 	kstat_kv_temp(&ktmp->ktmp_threshold_hi) =
8709 	    mcx_tmp_to_uK(&mtmp.mtmp_temperature_threshold_hi);
8710 
8711 	TIMEVAL_TO_TIMESPEC(&updated, &ks->ks_updated);
8712 
8713 	return (0);
8714 }
8715 
8716 struct mcx_queuestat {
8717 	char			 name[KSTAT_KV_NAMELEN];
8718 	enum kstat_kv_type	 type;
8719 };
8720 
8721 static const struct mcx_queuestat mcx_queue_kstat_tpl[] = {
8722 	{ "RQ SW prod",		KSTAT_KV_T_COUNTER64 },
8723 	{ "RQ HW prod",		KSTAT_KV_T_COUNTER64 },
8724 	{ "RQ HW cons",		KSTAT_KV_T_COUNTER64 },
8725 	{ "RQ HW state",	KSTAT_KV_T_ISTR },
8726 
8727 	{ "SQ SW prod",		KSTAT_KV_T_COUNTER64 },
8728 	{ "SQ SW cons",		KSTAT_KV_T_COUNTER64 },
8729 	{ "SQ HW prod",		KSTAT_KV_T_COUNTER64 },
8730 	{ "SQ HW cons",		KSTAT_KV_T_COUNTER64 },
8731 	{ "SQ HW state",	KSTAT_KV_T_ISTR },
8732 
8733 	{ "CQ SW cons",		KSTAT_KV_T_COUNTER64 },
8734 	{ "CQ HW prod",		KSTAT_KV_T_COUNTER64 },
8735 	{ "CQ HW cons",		KSTAT_KV_T_COUNTER64 },
8736 	{ "CQ HW notify",	KSTAT_KV_T_COUNTER64 },
8737 	{ "CQ HW solicit",	KSTAT_KV_T_COUNTER64 },
8738 	{ "CQ HW status",	KSTAT_KV_T_ISTR },
8739 	{ "CQ HW state",	KSTAT_KV_T_ISTR },
8740 
8741 	{ "EQ SW cons",		KSTAT_KV_T_COUNTER64 },
8742 	{ "EQ HW prod",		KSTAT_KV_T_COUNTER64 },
8743 	{ "EQ HW cons",		KSTAT_KV_T_COUNTER64 },
8744 	{ "EQ HW status",	KSTAT_KV_T_ISTR },
8745 	{ "EQ HW state",	KSTAT_KV_T_ISTR },
8746 };
8747 
8748 static int	mcx_kstat_queue_read(struct kstat *);
8749 
8750 static void
8751 mcx_kstat_attach_queues(struct mcx_softc *sc)
8752 {
8753 	struct kstat *ks;
8754 	struct kstat_kv *kvs;
8755 	int q, i;
8756 
8757 	for (q = 0; q < sc->sc_nqueues; q++) {
8758 		ks = kstat_create(DEVNAME(sc), 0, "mcx-queues", q,
8759 		    KSTAT_T_KV, 0);
8760 		if (ks == NULL) {
8761 			/* unable to attach queue stats %u, q */
8762 			continue;
8763 		}
8764 
8765 		kvs = mallocarray(nitems(mcx_queue_kstat_tpl),
8766 		    sizeof(*kvs), M_DEVBUF, M_WAITOK);
8767 
8768 		for (i = 0; i < nitems(mcx_queue_kstat_tpl); i++) {
8769 			const struct mcx_queuestat *tpl =
8770 			    &mcx_queue_kstat_tpl[i];
8771 
8772 			kstat_kv_init(&kvs[i], tpl->name, tpl->type);
8773 		}
8774 
8775 		ks->ks_softc = &sc->sc_queues[q];
8776 		ks->ks_data = kvs;
8777 		ks->ks_datalen = nitems(mcx_queue_kstat_tpl) * sizeof(*kvs);
8778 		ks->ks_read = mcx_kstat_queue_read;
8779 
8780 		sc->sc_queues[q].q_kstat = ks;
8781 		kstat_install(ks);
8782 	}
8783 }
8784 
8785 static int
8786 mcx_kstat_queue_read(struct kstat *ks)
8787 {
8788 	struct mcx_queues *q = ks->ks_softc;
8789 	struct mcx_softc *sc = q->q_sc;
8790 	struct kstat_kv *kvs = ks->ks_data;
8791 	union {
8792 		struct mcx_rq_ctx rq;
8793 		struct mcx_sq_ctx sq;
8794 		struct mcx_cq_ctx cq;
8795 		struct mcx_eq_ctx eq;
8796 	} u;
8797 	const char *text;
8798 	int error = 0;
8799 
8800 	KERNEL_LOCK();
8801 
8802 	if (mcx_query_rq(sc, &q->q_rx, &u.rq) != 0) {
8803 		error = EIO;
8804 		goto out;
8805 	}
8806 
8807 	kstat_kv_u64(kvs++) = q->q_rx.rx_prod;
8808 	kstat_kv_u64(kvs++) = bemtoh32(&u.rq.rq_wq.wq_sw_counter);
8809 	kstat_kv_u64(kvs++) = bemtoh32(&u.rq.rq_wq.wq_hw_counter);
8810 	switch ((bemtoh32(&u.rq.rq_flags) & MCX_RQ_CTX_STATE_MASK) >>
8811 	    MCX_RQ_CTX_STATE_SHIFT) {
8812 	case MCX_RQ_CTX_STATE_RST:
8813 		text = "RST";
8814 		break;
8815 	case MCX_RQ_CTX_STATE_RDY:
8816 		text = "RDY";
8817 		break;
8818 	case MCX_RQ_CTX_STATE_ERR:
8819 		text = "ERR";
8820 		break;
8821 	default:
8822 		text = "unknown";
8823 		break;
8824 	}
8825 	strlcpy(kstat_kv_istr(kvs), text, sizeof(kstat_kv_istr(kvs)));
8826 	kvs++;
8827 
8828 	if (mcx_query_sq(sc, &q->q_tx, &u.sq) != 0) {
8829 		error = EIO;
8830 		goto out;
8831 	}
8832 
8833 	kstat_kv_u64(kvs++) = q->q_tx.tx_prod;
8834 	kstat_kv_u64(kvs++) = q->q_tx.tx_cons;
8835 	kstat_kv_u64(kvs++) = bemtoh32(&u.sq.sq_wq.wq_sw_counter);
8836 	kstat_kv_u64(kvs++) = bemtoh32(&u.sq.sq_wq.wq_hw_counter);
8837 	switch ((bemtoh32(&u.sq.sq_flags) & MCX_SQ_CTX_STATE_MASK) >>
8838 	    MCX_SQ_CTX_STATE_SHIFT) {
8839 	case MCX_SQ_CTX_STATE_RST:
8840 		text = "RST";
8841 		break;
8842 	case MCX_SQ_CTX_STATE_RDY:
8843 		text = "RDY";
8844 		break;
8845 	case MCX_SQ_CTX_STATE_ERR:
8846 		text = "ERR";
8847 		break;
8848 	default:
8849 		text = "unknown";
8850 		break;
8851 	}
8852 	strlcpy(kstat_kv_istr(kvs), text, sizeof(kstat_kv_istr(kvs)));
8853 	kvs++;
8854 
8855 	if (mcx_query_cq(sc, &q->q_cq, &u.cq) != 0) {
8856 		error = EIO;
8857 		goto out;
8858 	}
8859 
8860 	kstat_kv_u64(kvs++) = q->q_cq.cq_cons;
8861 	kstat_kv_u64(kvs++) = bemtoh32(&u.cq.cq_producer_counter);
8862 	kstat_kv_u64(kvs++) = bemtoh32(&u.cq.cq_consumer_counter);
8863 	kstat_kv_u64(kvs++) = bemtoh32(&u.cq.cq_last_notified);
8864 	kstat_kv_u64(kvs++) = bemtoh32(&u.cq.cq_last_solicit);
8865 
8866 	switch ((bemtoh32(&u.cq.cq_status) & MCX_CQ_CTX_STATUS_MASK) >>
8867 	    MCX_CQ_CTX_STATUS_SHIFT) {
8868 	case MCX_CQ_CTX_STATUS_OK:
8869 		text = "OK";
8870 		break;
8871 	case MCX_CQ_CTX_STATUS_OVERFLOW:
8872 		text = "overflow";
8873 		break;
8874 	case MCX_CQ_CTX_STATUS_WRITE_FAIL:
8875 		text = "write fail";
8876 		break;
8877 	default:
8878 		text = "unknown";
8879 		break;
8880 	}
8881 	strlcpy(kstat_kv_istr(kvs), text, sizeof(kstat_kv_istr(kvs)));
8882 	kvs++;
8883 
8884 	switch ((bemtoh32(&u.cq.cq_status) & MCX_CQ_CTX_STATE_MASK) >>
8885 	    MCX_CQ_CTX_STATE_SHIFT) {
8886 	case MCX_CQ_CTX_STATE_SOLICITED:
8887 		text = "solicited";
8888 		break;
8889 	case MCX_CQ_CTX_STATE_ARMED:
8890 		text = "armed";
8891 		break;
8892 	case MCX_CQ_CTX_STATE_FIRED:
8893 		text = "fired";
8894 		break;
8895 	default:
8896 		text = "unknown";
8897 		break;
8898 	}
8899 	strlcpy(kstat_kv_istr(kvs), text, sizeof(kstat_kv_istr(kvs)));
8900 	kvs++;
8901 
8902 	if (mcx_query_eq(sc, &q->q_eq, &u.eq) != 0) {
8903 		error = EIO;
8904 		goto out;
8905 	}
8906 
8907 	kstat_kv_u64(kvs++) = q->q_eq.eq_cons;
8908 	kstat_kv_u64(kvs++) = bemtoh32(&u.eq.eq_producer_counter);
8909 	kstat_kv_u64(kvs++) = bemtoh32(&u.eq.eq_consumer_counter);
8910 
8911 	switch ((bemtoh32(&u.eq.eq_status) & MCX_EQ_CTX_STATUS_MASK) >>
8912 	    MCX_EQ_CTX_STATUS_SHIFT) {
8913 	case MCX_EQ_CTX_STATUS_EQ_WRITE_FAILURE:
8914 		text = "write fail";
8915 		break;
8916 	case MCX_EQ_CTX_STATUS_OK:
8917 		text = "OK";
8918 		break;
8919 	default:
8920 		text = "unknown";
8921 		break;
8922 	}
8923 	strlcpy(kstat_kv_istr(kvs), text, sizeof(kstat_kv_istr(kvs)));
8924 	kvs++;
8925 
8926 	switch ((bemtoh32(&u.eq.eq_status) & MCX_EQ_CTX_STATE_MASK) >>
8927 	    MCX_EQ_CTX_STATE_SHIFT) {
8928 	case MCX_EQ_CTX_STATE_ARMED:
8929 		text = "armed";
8930 		break;
8931 	case MCX_EQ_CTX_STATE_FIRED:
8932 		text = "fired";
8933 		break;
8934 	default:
8935 		text = "unknown";
8936 		break;
8937 	}
8938 	strlcpy(kstat_kv_istr(kvs), text, sizeof(kstat_kv_istr(kvs)));
8939 	kvs++;
8940 
8941 	nanouptime(&ks->ks_updated);
8942 out:
8943 	KERNEL_UNLOCK();
8944 	return (error);
8945 }
8946 
8947 #endif /* NKSTAT > 0 */
8948 
8949 static unsigned int
8950 mcx_timecounter_read(struct timecounter *tc)
8951 {
8952 	struct mcx_softc *sc = tc->tc_priv;
8953 
8954 	return (mcx_rd(sc, MCX_INTERNAL_TIMER_L));
8955 }
8956 
8957 static void
8958 mcx_timecounter_attach(struct mcx_softc *sc)
8959 {
8960 	struct timecounter *tc = &sc->sc_timecounter;
8961 
8962 	tc->tc_get_timecount = mcx_timecounter_read;
8963 	tc->tc_counter_mask = ~0U;
8964 	tc->tc_frequency = sc->sc_khz * 1000;
8965 	tc->tc_name = device_xname(sc->sc_dev);
8966 	tc->tc_quality = -100;
8967 	tc->tc_priv = sc;
8968 
8969 	tc_init(tc);
8970 }
8971