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[ceph.git] / ceph / src / spdk / dpdk / drivers / net / enic / base / vnic_devcmd.h
1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2008-2017 Cisco Systems, Inc. All rights reserved.
3 * Copyright 2007 Nuova Systems, Inc. All rights reserved.
4 */
5
6 #ifndef _VNIC_DEVCMD_H_
7 #define _VNIC_DEVCMD_H_
8
9 #define _CMD_NBITS 14
10 #define _CMD_VTYPEBITS 10
11 #define _CMD_FLAGSBITS 6
12 #define _CMD_DIRBITS 2
13
14 #define _CMD_NMASK ((1 << _CMD_NBITS)-1)
15 #define _CMD_VTYPEMASK ((1 << _CMD_VTYPEBITS)-1)
16 #define _CMD_FLAGSMASK ((1 << _CMD_FLAGSBITS)-1)
17 #define _CMD_DIRMASK ((1 << _CMD_DIRBITS)-1)
18
19 #define _CMD_NSHIFT 0
20 #define _CMD_VTYPESHIFT (_CMD_NSHIFT+_CMD_NBITS)
21 #define _CMD_FLAGSSHIFT (_CMD_VTYPESHIFT+_CMD_VTYPEBITS)
22 #define _CMD_DIRSHIFT (_CMD_FLAGSSHIFT+_CMD_FLAGSBITS)
23
24 /*
25 * Direction bits (from host perspective).
26 */
27 #define _CMD_DIR_NONE 0U
28 #define _CMD_DIR_WRITE 1U
29 #define _CMD_DIR_READ 2U
30 #define _CMD_DIR_RW (_CMD_DIR_WRITE | _CMD_DIR_READ)
31
32 /*
33 * Flag bits.
34 */
35 #define _CMD_FLAGS_NONE 0U
36 #define _CMD_FLAGS_NOWAIT 1U
37
38 /*
39 * vNIC type bits.
40 */
41 #define _CMD_VTYPE_NONE 0U
42 #define _CMD_VTYPE_ENET 1U
43 #define _CMD_VTYPE_FC 2U
44 #define _CMD_VTYPE_SCSI 4U
45 #define _CMD_VTYPE_ALL (_CMD_VTYPE_ENET | _CMD_VTYPE_FC | _CMD_VTYPE_SCSI)
46
47 /*
48 * Used to create cmds..
49 */
50 #define _CMDCF(dir, flags, vtype, nr) \
51 (((dir) << _CMD_DIRSHIFT) | \
52 ((flags) << _CMD_FLAGSSHIFT) | \
53 ((vtype) << _CMD_VTYPESHIFT) | \
54 ((nr) << _CMD_NSHIFT))
55 #define _CMDC(dir, vtype, nr) _CMDCF(dir, 0, vtype, nr)
56 #define _CMDCNW(dir, vtype, nr) _CMDCF(dir, _CMD_FLAGS_NOWAIT, vtype, nr)
57
58 /*
59 * Used to decode cmds..
60 */
61 #define _CMD_DIR(cmd) (((cmd) >> _CMD_DIRSHIFT) & _CMD_DIRMASK)
62 #define _CMD_FLAGS(cmd) (((cmd) >> _CMD_FLAGSSHIFT) & _CMD_FLAGSMASK)
63 #define _CMD_VTYPE(cmd) (((cmd) >> _CMD_VTYPESHIFT) & _CMD_VTYPEMASK)
64 #define _CMD_N(cmd) (((cmd) >> _CMD_NSHIFT) & _CMD_NMASK)
65
66 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
67
68 enum vnic_devcmd_cmd {
69 CMD_NONE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_NONE, 0),
70
71 /*
72 * mcpu fw info in mem:
73 * in:
74 * (u64)a0=paddr to struct vnic_devcmd_fw_info
75 * action:
76 * Fills in struct vnic_devcmd_fw_info (128 bytes)
77 * note:
78 * An old definition of CMD_MCPU_FW_INFO
79 */
80 CMD_MCPU_FW_INFO_OLD = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 1),
81
82 /*
83 * mcpu fw info in mem:
84 * in:
85 * (u64)a0=paddr to struct vnic_devcmd_fw_info
86 * (u16)a1=size of the structure
87 * out:
88 * (u16)a1=0 for in:a1 = 0,
89 * data size actually written for other values.
90 * action:
91 * Fills in first 128 bytes of vnic_devcmd_fw_info for in:a1 = 0,
92 * first in:a1 bytes for 0 < in:a1 <= 132,
93 * 132 bytes for other values of in:a1.
94 * note:
95 * CMD_MCPU_FW_INFO and CMD_MCPU_FW_INFO_OLD have the same enum 1
96 * for source compatibility.
97 */
98 CMD_MCPU_FW_INFO = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 1),
99
100 /* dev-specific block member:
101 * in: (u16)a0=offset,(u8)a1=size
102 * out: a0=value
103 */
104 CMD_DEV_SPEC = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 2),
105
106 /* stats clear */
107 CMD_STATS_CLEAR = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 3),
108
109 /* stats dump in mem: (u64)a0=paddr to stats area,
110 * (u16)a1=sizeof stats area */
111 CMD_STATS_DUMP = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 4),
112
113 /* set Rx packet filter: (u32)a0=filters (see CMD_PFILTER_*) */
114 CMD_PACKET_FILTER = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 7),
115
116 /* set Rx packet filter for all: (u32)a0=filters (see CMD_PFILTER_*) */
117 CMD_PACKET_FILTER_ALL = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 7),
118
119 /* hang detection notification */
120 CMD_HANG_NOTIFY = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 8),
121
122 /* MAC address in (u48)a0 */
123 CMD_MAC_ADDR = _CMDC(_CMD_DIR_READ,
124 _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 9),
125 #define CMD_GET_MAC_ADDR CMD_MAC_ADDR /* some uses are aliased */
126
127 /* add addr from (u48)a0 */
128 CMD_ADDR_ADD = _CMDCNW(_CMD_DIR_WRITE,
129 _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 12),
130
131 /* del addr from (u48)a0 */
132 CMD_ADDR_DEL = _CMDCNW(_CMD_DIR_WRITE,
133 _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 13),
134
135 /* add VLAN id in (u16)a0 */
136 CMD_VLAN_ADD = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 14),
137
138 /* del VLAN id in (u16)a0 */
139 CMD_VLAN_DEL = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 15),
140
141 /*
142 * nic_cfg in (u32)a0
143 *
144 * Capability query:
145 * out: (u64) a0= 1 if a1 is valid
146 * (u64) a1= (NIC_CFG bits supported) | (flags << 32)
147 * (flags are CMD_NIC_CFG_CAPF_xxx)
148 */
149 CMD_NIC_CFG = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 16),
150
151 /*
152 * nic_cfg_chk (same as nic_cfg, but may return error)
153 * in (u32)a0
154 *
155 * Capability query:
156 * out: (u64) a0= 1 if a1 is valid
157 * (u64) a1= (NIC_CFG bits supported) | (flags << 32)
158 * (flags are CMD_NIC_CFG_CAPF_xxx)
159 */
160 CMD_NIC_CFG_CHK = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 16),
161
162 /* union vnic_rss_key in mem: (u64)a0=paddr, (u16)a1=len */
163 CMD_RSS_KEY = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 17),
164
165 /* union vnic_rss_cpu in mem: (u64)a0=paddr, (u16)a1=len */
166 CMD_RSS_CPU = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 18),
167
168 /* initiate softreset */
169 CMD_SOFT_RESET = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 19),
170
171 /* softreset status:
172 * out: a0=0 reset complete, a0=1 reset in progress */
173 CMD_SOFT_RESET_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 20),
174
175 /* set struct vnic_devcmd_notify buffer in mem:
176 * in:
177 * (u64)a0=paddr to notify (set paddr=0 to unset)
178 * (u32)a1 & 0x00000000ffffffff=sizeof(struct vnic_devcmd_notify)
179 * (u16)a1 & 0x0000ffff00000000=intr num (-1 for no intr)
180 * out:
181 * (u32)a1 = effective size
182 */
183 CMD_NOTIFY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 21),
184
185 /* UNDI API: (u64)a0=paddr to s_PXENV_UNDI_ struct,
186 * (u8)a1=PXENV_UNDI_xxx */
187 CMD_UNDI = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 22),
188
189 /* initiate open sequence (u32)a0=flags (see CMD_OPENF_*) */
190 CMD_OPEN = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 23),
191
192 /* open status:
193 * out: a0=0 open complete, a0=1 open in progress */
194 CMD_OPEN_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 24),
195
196 /* close vnic */
197 CMD_CLOSE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 25),
198
199 /* initialize virtual link: (u32)a0=flags (see CMD_INITF_*) */
200 /***** Replaced by CMD_INIT *****/
201 CMD_INIT_v1 = _CMDCNW(_CMD_DIR_READ, _CMD_VTYPE_ALL, 26),
202
203 /* variant of CMD_INIT, with provisioning info
204 * (u64)a0=paddr of vnic_devcmd_provinfo
205 * (u32)a1=sizeof provision info */
206 CMD_INIT_PROV_INFO = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 27),
207
208 /* enable virtual link */
209 CMD_ENABLE = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 28),
210
211 /* enable virtual link, waiting variant. */
212 CMD_ENABLE_WAIT = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 28),
213
214 /* disable virtual link */
215 CMD_DISABLE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 29),
216
217 /* stats dump sum of all vnic stats on same uplink in mem:
218 * (u64)a0=paddr
219 * (u16)a1=sizeof stats area */
220 CMD_STATS_DUMP_ALL = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 30),
221
222 /* init status:
223 * out: a0=0 init complete, a0=1 init in progress
224 * if a0=0, a1=errno */
225 CMD_INIT_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 31),
226
227 /* INT13 API: (u64)a0=paddr to vnic_int13_params struct
228 * (u32)a1=INT13_CMD_xxx */
229 CMD_INT13 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_FC, 32),
230
231 /* logical uplink enable/disable: (u64)a0: 0/1=disable/enable */
232 CMD_LOGICAL_UPLINK = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 33),
233
234 /* undo initialize of virtual link */
235 CMD_DEINIT = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 34),
236
237 /* initialize virtual link: (u32)a0=flags (see CMD_INITF_*) */
238 CMD_INIT = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 35),
239
240 /* check fw capability of a cmd:
241 * in: (u32)a0=cmd
242 * out: (u32)a0=errno, 0:valid cmd, a1=supported VNIC_STF_* bits */
243 CMD_CAPABILITY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 36),
244
245 /* persistent binding info
246 * in: (u64)a0=paddr of arg
247 * (u32)a1=CMD_PERBI_XXX */
248 CMD_PERBI = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_FC, 37),
249
250 /* Interrupt Assert Register functionality
251 * in: (u16)a0=interrupt number to assert
252 */
253 CMD_IAR = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 38),
254
255 /* initiate hangreset, like softreset after hang detected */
256 CMD_HANG_RESET = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 39),
257
258 /* hangreset status:
259 * out: a0=0 reset complete, a0=1 reset in progress */
260 CMD_HANG_RESET_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 40),
261
262 /*
263 * Set hw ingress packet vlan rewrite mode:
264 * in: (u32)a0=new vlan rewrite mode
265 * out: (u32)a0=old vlan rewrite mode */
266 CMD_IG_VLAN_REWRITE_MODE = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 41),
267
268 /*
269 * in: (u16)a0=bdf of target vnic
270 * (u32)a1=cmd to proxy
271 * a2-a15=args to cmd in a1
272 * out: (u32)a0=status of proxied cmd
273 * a1-a15=out args of proxied cmd */
274 CMD_PROXY_BY_BDF = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 42),
275
276 /*
277 * As for BY_BDF except a0 is index of hvnlink subordinate vnic
278 * or SR-IOV virtual vnic
279 */
280 CMD_PROXY_BY_INDEX = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 43),
281
282 /*
283 * For HPP toggle:
284 * adapter-info-get
285 * in: (u64)a0=phsical address of buffer passed in from caller.
286 * (u16)a1=size of buffer specified in a0.
287 * out: (u64)a0=phsical address of buffer passed in from caller.
288 * (u16)a1=actual bytes from VIF-CONFIG-INFO TLV, or
289 * 0 if no VIF-CONFIG-INFO TLV was ever received. */
290 CMD_CONFIG_INFO_GET = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 44),
291
292 /*
293 * INT13 API: (u64)a0=paddr to vnic_int13_params struct
294 * (u32)a1=INT13_CMD_xxx
295 */
296 CMD_INT13_ALL = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 45),
297
298 /*
299 * Set default vlan:
300 * in: (u16)a0=new default vlan
301 * (u16)a1=zero for overriding vlan with param a0,
302 * non-zero for resetting vlan to the default
303 * out: (u16)a0=old default vlan
304 */
305 CMD_SET_DEFAULT_VLAN = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 46),
306
307 /* init_prov_info2:
308 * Variant of CMD_INIT_PROV_INFO, where it will not try to enable
309 * the vnic until CMD_ENABLE2 is issued.
310 * (u64)a0=paddr of vnic_devcmd_provinfo
311 * (u32)a1=sizeof provision info */
312 CMD_INIT_PROV_INFO2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 47),
313
314 /* enable2:
315 * (u32)a0=0 ==> standby
316 * =CMD_ENABLE2_ACTIVE ==> active
317 */
318 CMD_ENABLE2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 48),
319
320 /*
321 * cmd_status:
322 * Returns the status of the specified command
323 * Input:
324 * a0 = command for which status is being queried.
325 * Possible values are:
326 * CMD_SOFT_RESET
327 * CMD_HANG_RESET
328 * CMD_OPEN
329 * CMD_INIT
330 * CMD_INIT_PROV_INFO
331 * CMD_DEINIT
332 * CMD_INIT_PROV_INFO2
333 * CMD_ENABLE2
334 * Output:
335 * if status == STAT_ERROR
336 * a0 = ERR_ENOTSUPPORTED - status for command in a0 is
337 * not supported
338 * if status == STAT_NONE
339 * a0 = status of the devcmd specified in a0 as follows.
340 * ERR_SUCCESS - command in a0 completed successfully
341 * ERR_EINPROGRESS - command in a0 is still in progress
342 */
343 CMD_STATUS = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 49),
344
345 /*
346 * Returns interrupt coalescing timer conversion factors.
347 * After calling this devcmd, ENIC driver can convert
348 * interrupt coalescing timer in usec into CPU cycles as follows:
349 *
350 * intr_timer_cycles = intr_timer_usec * multiplier / divisor
351 *
352 * Interrupt coalescing timer in usecs can be be converted/obtained
353 * from CPU cycles as follows:
354 *
355 * intr_timer_usec = intr_timer_cycles * divisor / multiplier
356 *
357 * in: none
358 * out: (u32)a0 = multiplier
359 * (u32)a1 = divisor
360 * (u32)a2 = maximum timer value in usec
361 */
362 CMD_INTR_COAL_CONVERT = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 50),
363
364 /*
365 * ISCSI DUMP API:
366 * in: (u64)a0=paddr of the param or param itself
367 * (u32)a1=ISCSI_CMD_xxx
368 */
369 CMD_ISCSI_DUMP_REQ = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 51),
370
371 /*
372 * ISCSI DUMP STATUS API:
373 * in: (u32)a0=cmd tag
374 * in: (u32)a1=ISCSI_CMD_xxx
375 * out: (u32)a0=cmd status
376 */
377 CMD_ISCSI_DUMP_STATUS = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 52),
378
379 /*
380 * Subvnic migration from MQ <--> VF.
381 * Enable the LIF migration from MQ to VF and vice versa. MQ and VF
382 * indexes are statically bound at the time of initialization.
383 * Based on the direction of migration, the resources of either MQ or
384 * the VF shall be attached to the LIF.
385 * in: (u32)a0=Direction of Migration
386 * 0=> Migrate to VF
387 * 1=> Migrate to MQ
388 * (u32)a1=VF index (MQ index)
389 */
390 CMD_MIGRATE_SUBVNIC = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 53),
391
392 /*
393 * Register / Deregister the notification block for MQ subvnics
394 * in:
395 * (u64)a0=paddr to notify (set paddr=0 to unset)
396 * (u32)a1 & 0x00000000ffffffff=sizeof(struct vnic_devcmd_notify)
397 * (u16)a1 & 0x0000ffff00000000=intr num (-1 for no intr)
398 * out:
399 * (u32)a1 = effective size
400 */
401 CMD_SUBVNIC_NOTIFY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 54),
402
403 /*
404 * Set the predefined mac address as default
405 * in:
406 * (u48)a0=mac addr
407 */
408 CMD_SET_MAC_ADDR = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 55),
409
410 /* Update the provisioning info of the given VIF
411 * (u64)a0=paddr of vnic_devcmd_provinfo
412 * (u32)a1=sizeof provision info */
413 CMD_PROV_INFO_UPDATE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 56),
414
415 /*
416 * Initialization for the devcmd2 interface.
417 * in: (u64) a0=host result buffer physical address
418 * in: (u16) a1=number of entries in result buffer
419 */
420 CMD_INITIALIZE_DEVCMD2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 57),
421
422 /*
423 * Add a filter.
424 * in: (u64) a0= filter address
425 * (u32) a1= size of filter
426 * out: (u32) a0=filter identifier
427 *
428 * Capability query:
429 * out: (u64) a0= 1 if capability query supported
430 * (u64) a1= MAX filter type supported
431 */
432 CMD_ADD_FILTER = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 58),
433
434 /*
435 * Delete a filter.
436 * in: (u32) a0=filter identifier
437 */
438 CMD_DEL_FILTER = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 59),
439
440 /*
441 * Enable a Queue Pair in User space NIC
442 * in: (u32) a0=Queue Pair number
443 * (u32) a1= command
444 */
445 CMD_QP_ENABLE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 60),
446
447 /*
448 * Disable a Queue Pair in User space NIC
449 * in: (u32) a0=Queue Pair number
450 * (u32) a1= command
451 */
452 CMD_QP_DISABLE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 61),
453
454 /*
455 * Stats dump Queue Pair in User space NIC
456 * in: (u32) a0=Queue Pair number
457 * (u64) a1=host buffer addr for status dump
458 * (u32) a2=length of the buffer
459 */
460 CMD_QP_STATS_DUMP = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 62),
461
462 /*
463 * Clear stats for Queue Pair in User space NIC
464 * in: (u32) a0=Queue Pair number
465 */
466 CMD_QP_STATS_CLEAR = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 63),
467
468 /*
469 * UEFI BOOT API: (u64)a0= UEFI FLS_CMD_xxx
470 * (ui64)a1= paddr for the info buffer
471 */
472 CMD_FC_REQ = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_FC, 64),
473
474 /*
475 * Return the iSCSI config details required by the EFI Option ROM
476 * in: (u32) a0=0 Get Boot Info for PXE eNIC as per pxe_boot_config_t
477 * a0=1 Get Boot info for iSCSI enic as per
478 * iscsi_boot_efi_cfg_t
479 * in: (u64) a1=Host address where iSCSI config info is returned
480 */
481 CMD_VNIC_BOOT_CONFIG_INFO = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 65),
482
483 /*
484 * Create a Queue Pair (RoCE)
485 * in: (u32) a0 = Queue Pair number
486 * (u32) a1 = Remote QP
487 * (u32) a2 = RDMA-RQ
488 * (u16) a3 = RQ Res Group
489 * (u16) a4 = SQ Res Group
490 * (u32) a5 = Protection Domain
491 * (u64) a6 = Remote MAC
492 * (u32) a7 = start PSN
493 * (u16) a8 = MSS
494 * (u32) a9 = protocol version
495 */
496 CMD_RDMA_QP_CREATE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 66),
497
498 /*
499 * Delete a Queue Pair (RoCE)
500 * in: (u32) a0 = Queue Pair number
501 */
502 CMD_RDMA_QP_DELETE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 67),
503
504 /*
505 * Retrieve a Queue Pair's status information (RoCE)
506 * in: (u32) a0 = Queue Pair number
507 * (u64) a1 = host buffer addr for QP status struct
508 * (u32) a2 = length of the buffer
509 */
510 CMD_RDMA_QP_STATUS = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 68),
511
512 /*
513 * Use this devcmd for agreeing on the highest common version supported
514 * by both driver and fw for by features who need such a facility.
515 * in: (u64) a0 = feature (driver requests for the supported versions
516 * on this feature)
517 * out: (u64) a0 = bitmap of all supported versions for that feature
518 */
519 CMD_GET_SUPP_FEATURE_VER = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 69),
520
521 /*
522 * Initialize the RDMA notification work queue
523 * in: (u64) a0 = host buffer address
524 * in: (u16) a1 = number of entries in buffer
525 * in: (u16) a2 = resource group number
526 * in: (u16) a3 = CQ number to post completion
527 */
528 CMD_RDMA_INIT_INFO_BUF = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 70),
529
530 /*
531 * De-init the RDMA notification work queue
532 * in: (u64) a0=resource group number
533 */
534 CMD_RDMA_DEINIT_INFO_BUF = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 71),
535
536 /*
537 * Control (Enable/Disable) overlay offloads on the given vnic
538 * in: (u8) a0 = OVERLAY_FEATURE_NVGRE : NVGRE
539 * a0 = OVERLAY_FEATURE_VXLAN : VxLAN
540 * in: (u8) a1 = OVERLAY_OFFLOAD_ENABLE : Enable or
541 * a1 = OVERLAY_OFFLOAD_DISABLE : Disable or
542 * a1 = OVERLAY_OFFLOAD_ENABLE_V2 : Enable with version 2
543 */
544 CMD_OVERLAY_OFFLOAD_CTRL =
545 _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 72),
546
547 /*
548 * Configuration of overlay offloads feature on a given vNIC
549 * in: (u8) a0 = OVERLAY_CFG_VXLAN_PORT_UPDATE : VxLAN
550 * in: (u16) a1 = unsigned short int port information
551 */
552 CMD_OVERLAY_OFFLOAD_CFG = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 73),
553
554 /*
555 * Return the configured name for the device
556 * in: (u64) a0=Host address where the name is copied
557 * (u32) a1=Size of the buffer
558 */
559 CMD_GET_CONFIG_NAME = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 74),
560
561 /*
562 * Enable group interrupt for the VF
563 * in: (u32) a0 = GRPINTR_ENABLE : enable
564 * a0 = GRPINTR_DISABLE : disable
565 * a0 = GRPINTR_UPD_VECT: update group vector addr
566 * in: (u32) a1 = interrupt group count
567 * in: (u64) a2 = Start of host buffer address for DMAing group
568 * vector bitmap
569 * in: (u64) a3 = Stride between group vectors
570 */
571 CMD_CONFIG_GRPINTR = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 75),
572
573 /*
574 * Set cq arrary base and size in a list of consective wqs and
575 * rqs for a device
576 * in: (u16) a0 = the wq relative index in the device.
577 * -1 indicates skipping wq configuration
578 * in: (u16) a1 = the wcq relative index in the device
579 * in: (u16) a2 = the rq relative index in the device
580 * -1 indicates skipping rq configuration
581 * in: (u16) a3 = the rcq relative index in the device
582 */
583 CMD_CONFIG_CQ_ARRAY = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 76),
584
585 /*
586 * Add an advanced filter.
587 * in: (u64) a0= filter address
588 * (u32) a1= size of filter
589 * out: (u32) a0=filter identifier
590 *
591 * Capability query:
592 * in: (u64) a1= supported filter capability exchange modes
593 * out: (u64) a0= 1 if capability query supported
594 * if (u64) a1 = 0: a1 = MAX filter type supported
595 * if (u64) a1 & FILTER_CAP_MODE_V1_FLAG:
596 * a1 = bitmask of supported filters
597 * a2 = FILTER_CAP_MODE_V1
598 * a3 = bitmask of supported actions
599 */
600 CMD_ADD_ADV_FILTER = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 77),
601
602 /*
603 * Allocate a counter for use with CMD_ADD_FILTER
604 * out:(u32) a0 = counter index
605 */
606 CMD_COUNTER_ALLOC = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ENET, 85),
607
608 /*
609 * Free a counter
610 * in: (u32) a0 = counter_id
611 */
612 CMD_COUNTER_FREE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 86),
613
614 /*
615 * Read a counter
616 * in: (u32) a0 = counter_id
617 * (u32) a1 = clear counter if non-zero
618 * out:(u64) a0 = packet count
619 * (u64) a1 = byte count
620 */
621 CMD_COUNTER_QUERY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 87),
622
623 /*
624 * Configure periodic counter DMA. This will trigger an immediate
625 * DMA of the counters (unless period == 0), and then schedule a DMA
626 * of the counters every <period> seconds until disdabled.
627 * Each new COUNTER_DMA_CONFIG will override all previous commands on
628 * this vnic.
629 * Setting a2 (period) = 0 will disable periodic DMAs
630 * If a0 (num_counters) != 0, an immediate DMA will always be done,
631 * irrespective of the value in a2.
632 * in: (u32) a0 = number of counters to DMA
633 * (u64) a1 = host target DMA address
634 * (u32) a2 = DMA period in milliseconds (0 to disable)
635 */
636 CMD_COUNTER_DMA_CONFIG = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 88),
637 #define VNIC_COUNTER_DMA_MIN_PERIOD 500
638
639 /*
640 * Clear all counters on a vnic
641 */
642 CMD_COUNTER_CLEAR_ALL = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ENET, 89),
643 };
644
645 /* Modes for exchanging advanced filter capabilities. The modes supported by
646 * the driver are passed in the CMD_ADD_ADV_FILTER capability command and the
647 * mode selected is returned.
648 * V0: the maximum filter type supported is returned
649 * V1: bitmasks of supported filters and actions are returned
650 */
651 enum filter_cap_mode {
652 FILTER_CAP_MODE_V0 = 0, /* Must always be 0 for legacy drivers */
653 FILTER_CAP_MODE_V1 = 1,
654 };
655 #define FILTER_CAP_MODE_V1_FLAG (1 << FILTER_CAP_MODE_V1)
656
657 /* CMD_ENABLE2 flags */
658 #define CMD_ENABLE2_STANDBY 0x0
659 #define CMD_ENABLE2_ACTIVE 0x1
660
661 /* flags for CMD_OPEN */
662 #define CMD_OPENF_OPROM 0x1 /* open coming from option rom */
663 #define CMD_OPENF_IG_DESCCACHE 0x2 /* Do not flush IG DESC cache */
664
665 /* flags for CMD_INIT */
666 #define CMD_INITF_DEFAULT_MAC 0x1 /* init with default mac addr */
667
668 /* flags for CMD_NIC_CFG */
669 #define CMD_NIC_CFG_CAPF_UDP_WEAK (1ULL << 0) /* Bodega-style UDP RSS */
670
671 /* flags for CMD_PACKET_FILTER */
672 #define CMD_PFILTER_DIRECTED 0x01
673 #define CMD_PFILTER_MULTICAST 0x02
674 #define CMD_PFILTER_BROADCAST 0x04
675 #define CMD_PFILTER_PROMISCUOUS 0x08
676 #define CMD_PFILTER_ALL_MULTICAST 0x10
677
678 /* Commands for CMD_QP_ENABLE/CM_QP_DISABLE */
679 #define CMD_QP_RQWQ 0x0
680
681 /* rewrite modes for CMD_IG_VLAN_REWRITE_MODE */
682 #define IG_VLAN_REWRITE_MODE_DEFAULT_TRUNK 0
683 #define IG_VLAN_REWRITE_MODE_UNTAG_DEFAULT_VLAN 1
684 #define IG_VLAN_REWRITE_MODE_PRIORITY_TAG_DEFAULT_VLAN 2
685 #define IG_VLAN_REWRITE_MODE_PASS_THRU 3
686
687 enum vnic_devcmd_status {
688 STAT_NONE = 0,
689 STAT_BUSY = 1 << 0, /* cmd in progress */
690 STAT_ERROR = 1 << 1, /* last cmd caused error (code in a0) */
691 STAT_FAILOVER = 1 << 2, /* always set on vnics in pci standby state
692 * if seen a failover to the standby happened
693 */
694 };
695
696 enum vnic_devcmd_error {
697 ERR_SUCCESS = 0,
698 ERR_EINVAL = 1,
699 ERR_EFAULT = 2,
700 ERR_EPERM = 3,
701 ERR_EBUSY = 4,
702 ERR_ECMDUNKNOWN = 5,
703 ERR_EBADSTATE = 6,
704 ERR_ENOMEM = 7,
705 ERR_ETIMEDOUT = 8,
706 ERR_ELINKDOWN = 9,
707 ERR_EMAXRES = 10,
708 ERR_ENOTSUPPORTED = 11,
709 ERR_EINPROGRESS = 12,
710 ERR_MAX
711 };
712
713 /*
714 * note: hw_version and asic_rev refer to the same thing,
715 * but have different formats. hw_version is
716 * a 32-byte string (e.g. "A2") and asic_rev is
717 * a 16-bit integer (e.g. 0xA2).
718 */
719 struct vnic_devcmd_fw_info {
720 char fw_version[32];
721 char fw_build[32];
722 char hw_version[32];
723 char hw_serial_number[32];
724 u16 asic_type;
725 u16 asic_rev;
726 };
727
728 enum fwinfo_asic_type {
729 FWINFO_ASIC_TYPE_UNKNOWN,
730 FWINFO_ASIC_TYPE_PALO,
731 FWINFO_ASIC_TYPE_SERENO,
732 FWINFO_ASIC_TYPE_CRUZ,
733 };
734
735 struct vnic_devcmd_notify {
736 u32 csum; /* checksum over following words */
737
738 u32 link_state; /* link up == 1 */
739 u32 port_speed; /* effective port speed (rate limit) */
740 u32 mtu; /* MTU */
741 u32 msglvl; /* requested driver msg lvl */
742 u32 uif; /* uplink interface */
743 u32 status; /* status bits (see VNIC_STF_*) */
744 u32 error; /* error code (see ERR_*) for first ERR */
745 u32 link_down_cnt; /* running count of link down transitions */
746 u32 perbi_rebuild_cnt; /* running count of perbi rebuilds */
747 };
748 #define VNIC_STF_FATAL_ERR 0x0001 /* fatal fw error */
749 #define VNIC_STF_STD_PAUSE 0x0002 /* standard link-level pause on */
750 #define VNIC_STF_PFC_PAUSE 0x0004 /* priority flow control pause on */
751 /* all supported status flags */
752 #define VNIC_STF_ALL (VNIC_STF_FATAL_ERR |\
753 VNIC_STF_STD_PAUSE |\
754 VNIC_STF_PFC_PAUSE |\
755 0)
756
757 struct vnic_devcmd_provinfo {
758 u8 oui[3];
759 u8 type;
760 u8 data[0];
761 };
762
763 /*
764 * These are used in flags field of different filters to denote
765 * valid fields used.
766 */
767 #define FILTER_FIELD_VALID(fld) (1 << (fld - 1))
768
769 #define FILTER_FIELD_USNIC_VLAN FILTER_FIELD_VALID(1)
770 #define FILTER_FIELD_USNIC_ETHTYPE FILTER_FIELD_VALID(2)
771 #define FILTER_FIELD_USNIC_PROTO FILTER_FIELD_VALID(3)
772 #define FILTER_FIELD_USNIC_ID FILTER_FIELD_VALID(4)
773
774 #define FILTER_FIELDS_USNIC (FILTER_FIELD_USNIC_VLAN | \
775 FILTER_FIELD_USNIC_ETHTYPE | \
776 FILTER_FIELD_USNIC_PROTO | \
777 FILTER_FIELD_USNIC_ID)
778
779 struct filter_usnic_id {
780 u32 flags;
781 u16 vlan;
782 u16 ethtype;
783 u8 proto_version;
784 u32 usnic_id;
785 } __attribute__((packed));
786
787 #define FILTER_FIELD_5TUP_PROTO FILTER_FIELD_VALID(1)
788 #define FILTER_FIELD_5TUP_SRC_AD FILTER_FIELD_VALID(2)
789 #define FILTER_FIELD_5TUP_DST_AD FILTER_FIELD_VALID(3)
790 #define FILTER_FIELD_5TUP_SRC_PT FILTER_FIELD_VALID(4)
791 #define FILTER_FIELD_5TUP_DST_PT FILTER_FIELD_VALID(5)
792
793 #define FILTER_FIELDS_IPV4_5TUPLE (FILTER_FIELD_5TUP_PROTO | \
794 FILTER_FIELD_5TUP_SRC_AD | \
795 FILTER_FIELD_5TUP_DST_AD | \
796 FILTER_FIELD_5TUP_SRC_PT | \
797 FILTER_FIELD_5TUP_DST_PT)
798
799 /* Enums for the protocol field. */
800 enum protocol_e {
801 PROTO_UDP = 0,
802 PROTO_TCP = 1,
803 PROTO_IPV4 = 2,
804 PROTO_IPV6 = 3
805 };
806
807 struct filter_ipv4_5tuple {
808 u32 flags;
809 u32 protocol;
810 u32 src_addr;
811 u32 dst_addr;
812 u16 src_port;
813 u16 dst_port;
814 } __attribute__((packed));
815
816 #define FILTER_FIELD_VMQ_VLAN FILTER_FIELD_VALID(1)
817 #define FILTER_FIELD_VMQ_MAC FILTER_FIELD_VALID(2)
818
819 #define FILTER_FIELDS_MAC_VLAN (FILTER_FIELD_VMQ_VLAN | \
820 FILTER_FIELD_VMQ_MAC)
821
822 #define FILTER_FIELDS_NVGRE FILTER_FIELD_VMQ_MAC
823
824 struct filter_mac_vlan {
825 u32 flags;
826 u16 vlan;
827 u8 mac_addr[6];
828 } __attribute__((packed));
829
830 #define FILTER_FIELD_VLAN_IP_3TUP_VLAN FILTER_FIELD_VALID(1)
831 #define FILTER_FIELD_VLAN_IP_3TUP_L3_PROTO FILTER_FIELD_VALID(2)
832 #define FILTER_FIELD_VLAN_IP_3TUP_DST_AD FILTER_FIELD_VALID(3)
833 #define FILTER_FIELD_VLAN_IP_3TUP_L4_PROTO FILTER_FIELD_VALID(4)
834 #define FILTER_FIELD_VLAN_IP_3TUP_DST_PT FILTER_FIELD_VALID(5)
835
836 #define FILTER_FIELDS_VLAN_IP_3TUP (FILTER_FIELD_VLAN_IP_3TUP_VLAN | \
837 FILTER_FIELD_VLAN_IP_3TUP_L3_PROTO | \
838 FILTER_FIELD_VLAN_IP_3TUP_DST_AD | \
839 FILTER_FIELD_VLAN_IP_3TUP_L4_PROTO | \
840 FILTER_FIELD_VLAN_IP_3TUP_DST_PT)
841
842 struct filter_vlan_ip_3tuple {
843 u32 flags;
844 u16 vlan;
845 u16 l3_protocol;
846 union {
847 u32 dst_addr_v4;
848 u8 dst_addr_v6[16];
849 } u;
850 u32 l4_protocol;
851 u16 dst_port;
852 } __attribute__((packed));
853
854 #define FILTER_GENERIC_1_BYTES 64
855
856 enum filter_generic_1_layer {
857 FILTER_GENERIC_1_L2,
858 FILTER_GENERIC_1_L3,
859 FILTER_GENERIC_1_L4,
860 FILTER_GENERIC_1_L5,
861 FILTER_GENERIC_1_NUM_LAYERS
862 };
863
864 #define FILTER_GENERIC_1_IPV4 (1 << 0)
865 #define FILTER_GENERIC_1_IPV6 (1 << 1)
866 #define FILTER_GENERIC_1_UDP (1 << 2)
867 #define FILTER_GENERIC_1_TCP (1 << 3)
868 #define FILTER_GENERIC_1_TCP_OR_UDP (1 << 4)
869 #define FILTER_GENERIC_1_IP4SUM_OK (1 << 5)
870 #define FILTER_GENERIC_1_L4SUM_OK (1 << 6)
871 #define FILTER_GENERIC_1_IPFRAG (1 << 7)
872
873 #define FILTER_GENERIC_1_KEY_LEN 64
874
875 /*
876 * Version 1 of generic filter specification
877 * position is only 16 bits, reserving positions > 64k to be used by firmware
878 */
879 struct filter_generic_1 {
880 u16 position; /* lower position comes first */
881 u32 mask_flags;
882 u32 val_flags;
883 u16 mask_vlan;
884 u16 val_vlan;
885 struct {
886 u8 mask[FILTER_GENERIC_1_KEY_LEN]; /* 0 bit means "don't care"*/
887 u8 val[FILTER_GENERIC_1_KEY_LEN];
888 } __attribute__((packed)) layer[FILTER_GENERIC_1_NUM_LAYERS];
889 } __attribute__((packed));
890
891 /* Specifies the filter_action type. */
892 enum {
893 FILTER_ACTION_RQ_STEERING = 0,
894 FILTER_ACTION_V2 = 1,
895 FILTER_ACTION_MAX
896 };
897
898 struct filter_action {
899 u32 type;
900 union {
901 u32 rq_idx;
902 } u;
903 } __attribute__((packed));
904
905 #define FILTER_ACTION_RQ_STEERING_FLAG (1 << 0)
906 #define FILTER_ACTION_FILTER_ID_FLAG (1 << 1)
907 #define FILTER_ACTION_DROP_FLAG (1 << 2)
908 #define FILTER_ACTION_COUNTER_FLAG (1 << 3)
909 #define FILTER_ACTION_V2_ALL (FILTER_ACTION_RQ_STEERING_FLAG \
910 | FILTER_ACTION_FILTER_ID_FLAG \
911 | FILTER_ACTION_DROP_FLAG \
912 | FILTER_ACTION_COUNTER_FLAG)
913
914 /* Version 2 of filter action must be a strict extension of struct filter_action
915 * where the first fields exactly match in size and meaning.
916 */
917 struct filter_action_v2 {
918 u32 type;
919 u32 rq_idx;
920 u32 flags; /* use FILTER_ACTION_XXX_FLAG defines */
921 u16 filter_id;
922 u32 counter_index;
923 uint8_t reserved[28]; /* for future expansion */
924 } __attribute__((packed));
925
926 /* Specifies the filter type. */
927 enum filter_type {
928 FILTER_USNIC_ID = 0,
929 FILTER_IPV4_5TUPLE = 1,
930 FILTER_MAC_VLAN = 2,
931 FILTER_VLAN_IP_3TUPLE = 3,
932 FILTER_NVGRE_VMQ = 4,
933 FILTER_USNIC_IP = 5,
934 FILTER_DPDK_1 = 6,
935 FILTER_MAX
936 };
937
938 #define FILTER_USNIC_ID_FLAG (1 << FILTER_USNIC_ID)
939 #define FILTER_IPV4_5TUPLE_FLAG (1 << FILTER_IPV4_5TUPLE)
940 #define FILTER_MAC_VLAN_FLAG (1 << FILTER_MAC_VLAN)
941 #define FILTER_VLAN_IP_3TUPLE_FLAG (1 << FILTER_VLAN_IP_3TUPLE)
942 #define FILTER_NVGRE_VMQ_FLAG (1 << FILTER_NVGRE_VMQ)
943 #define FILTER_USNIC_IP_FLAG (1 << FILTER_USNIC_IP)
944 #define FILTER_DPDK_1_FLAG (1 << FILTER_DPDK_1)
945 #define FILTER_V1_ALL (FILTER_USNIC_ID_FLAG | \
946 FILTER_IPV4_5TUPLE_FLAG | \
947 FILTER_MAC_VLAN_FLAG | \
948 FILTER_VLAN_IP_3TUPLE_FLAG | \
949 FILTER_NVGRE_VMQ_FLAG | \
950 FILTER_USNIC_IP_FLAG | \
951 FILTER_DPDK_1_FLAG)
952
953 struct filter {
954 u32 type;
955 union {
956 struct filter_usnic_id usnic;
957 struct filter_ipv4_5tuple ipv4;
958 struct filter_mac_vlan mac_vlan;
959 struct filter_vlan_ip_3tuple vlan_3tuple;
960 } u;
961 } __attribute__((packed));
962
963 /*
964 * This is a strict superset of "struct filter" and exists only
965 * because many drivers use "sizeof (struct filter)" in deciding TLV size.
966 * This new, larger struct filter would cause any code that uses that method
967 * to not work with older firmware, so we add filter_v2 to hold the
968 * new filter types. Drivers should use vnic_filter_size() to determine
969 * the TLV size instead of sizeof (struct fiter_v2) to guard against future
970 * growth.
971 */
972 struct filter_v2 {
973 u32 type;
974 union {
975 struct filter_usnic_id usnic;
976 struct filter_ipv4_5tuple ipv4;
977 struct filter_mac_vlan mac_vlan;
978 struct filter_vlan_ip_3tuple vlan_3tuple;
979 struct filter_generic_1 generic_1;
980 } u;
981 } __attribute__((packed));
982
983 enum {
984 CLSF_TLV_FILTER = 0,
985 CLSF_TLV_ACTION = 1,
986 };
987
988 struct filter_tlv {
989 uint32_t type;
990 uint32_t length;
991 uint32_t val[0];
992 };
993
994 /* Data for CMD_ADD_FILTER is 2 TLV and filter + action structs */
995 #define FILTER_MAX_BUF_SIZE 100
996 #define FILTER_V2_MAX_BUF_SIZE (sizeof(struct filter_v2) + \
997 sizeof(struct filter_action_v2) + \
998 (2 * sizeof(struct filter_tlv)))
999
1000 /*
1001 * Compute actual structure size given filter type. To be "future-proof,"
1002 * drivers should use this instead of "sizeof (struct filter_v2)" when
1003 * computing length for TLV.
1004 */
1005 static inline uint32_t
1006 vnic_filter_size(struct filter_v2 *fp)
1007 {
1008 uint32_t size;
1009
1010 switch (fp->type) {
1011 case FILTER_USNIC_ID:
1012 size = sizeof(fp->u.usnic);
1013 break;
1014 case FILTER_IPV4_5TUPLE:
1015 size = sizeof(fp->u.ipv4);
1016 break;
1017 case FILTER_MAC_VLAN:
1018 case FILTER_NVGRE_VMQ:
1019 size = sizeof(fp->u.mac_vlan);
1020 break;
1021 case FILTER_VLAN_IP_3TUPLE:
1022 size = sizeof(fp->u.vlan_3tuple);
1023 break;
1024 case FILTER_USNIC_IP:
1025 case FILTER_DPDK_1:
1026 size = sizeof(fp->u.generic_1);
1027 break;
1028 default:
1029 size = sizeof(fp->u);
1030 break;
1031 }
1032 size += sizeof(fp->type);
1033 return size;
1034 }
1035
1036
1037 enum {
1038 CLSF_ADD = 0,
1039 CLSF_DEL = 1,
1040 };
1041
1042 /*
1043 * Get the action structure size given action type. To be "future-proof,"
1044 * drivers should use this instead of "sizeof (struct filter_action_v2)"
1045 * when computing length for TLV.
1046 */
1047 static inline uint32_t
1048 vnic_action_size(struct filter_action_v2 *fap)
1049 {
1050 uint32_t size;
1051
1052 switch (fap->type) {
1053 case FILTER_ACTION_RQ_STEERING:
1054 size = sizeof(struct filter_action);
1055 break;
1056 case FILTER_ACTION_V2:
1057 size = sizeof(struct filter_action_v2);
1058 break;
1059 default:
1060 size = sizeof(struct filter_action);
1061 break;
1062 }
1063 return size;
1064 }
1065
1066 /*
1067 * Writing cmd register causes STAT_BUSY to get set in status register.
1068 * When cmd completes, STAT_BUSY will be cleared.
1069 *
1070 * If cmd completed successfully STAT_ERROR will be clear
1071 * and args registers contain cmd-specific results.
1072 *
1073 * If cmd error, STAT_ERROR will be set and args[0] contains error code.
1074 *
1075 * status register is read-only. While STAT_BUSY is set,
1076 * all other register contents are read-only.
1077 */
1078
1079 /* Make sizeof(vnic_devcmd) a power-of-2 for I/O BAR. */
1080 #define VNIC_DEVCMD_NARGS 15
1081 struct vnic_devcmd {
1082 u32 status; /* RO */
1083 u32 cmd; /* RW */
1084 u64 args[VNIC_DEVCMD_NARGS]; /* RW cmd args (little-endian) */
1085 };
1086
1087 /*
1088 * Version 2 of the interface.
1089 *
1090 * Some things are carried over, notably the vnic_devcmd_cmd enum.
1091 */
1092
1093 /*
1094 * Flags for vnic_devcmd2.flags
1095 */
1096
1097 #define DEVCMD2_FNORESULT 0x1 /* Don't copy result to host */
1098
1099 #define VNIC_DEVCMD2_NARGS VNIC_DEVCMD_NARGS
1100 struct vnic_devcmd2 {
1101 u16 pad;
1102 u16 flags;
1103 u32 cmd; /* same command #defines as original */
1104 u64 args[VNIC_DEVCMD2_NARGS];
1105 };
1106
1107 #define VNIC_DEVCMD2_NRESULTS VNIC_DEVCMD_NARGS
1108 struct devcmd2_result {
1109 u64 results[VNIC_DEVCMD2_NRESULTS];
1110 u32 pad;
1111 u16 completed_index; /* into copy WQ */
1112 u8 error; /* same error codes as original */
1113 u8 color; /* 0 or 1 as with completion queues */
1114 };
1115
1116 #define DEVCMD2_RING_SIZE 32
1117 #define DEVCMD2_DESC_SIZE 128
1118
1119 #define DEVCMD2_RESULTS_SIZE_MAX ((1 << 16) - 1)
1120
1121 /* Overlay related definitions */
1122
1123 /*
1124 * This enum lists the flag associated with each of the overlay features
1125 */
1126 typedef enum {
1127 OVERLAY_FEATURE_NVGRE = 1,
1128 OVERLAY_FEATURE_VXLAN,
1129 OVERLAY_FEATURE_MAX,
1130 } overlay_feature_t;
1131
1132 #define OVERLAY_OFFLOAD_ENABLE 0
1133 #define OVERLAY_OFFLOAD_DISABLE 1
1134 #define OVERLAY_OFFLOAD_ENABLE_V2 2
1135
1136 #define OVERLAY_CFG_VXLAN_PORT_UPDATE 0
1137
1138 /*
1139 * Use this enum to get the supported versions for each of these features
1140 * If you need to use the devcmd_get_supported_feature_version(), add
1141 * the new feature into this enum and install function handler in devcmd.c
1142 */
1143 typedef enum {
1144 VIC_FEATURE_VXLAN,
1145 VIC_FEATURE_RDMA,
1146 VIC_FEATURE_MAX,
1147 } vic_feature_t;
1148
1149 /*
1150 * These flags are used in args[1] of devcmd CMD_GET_SUPP_FEATURE_VER
1151 * to indicate the host driver about the VxLAN and Multi WQ features
1152 * supported
1153 */
1154 #define FEATURE_VXLAN_IPV6_INNER (1 << 0)
1155 #define FEATURE_VXLAN_IPV6_OUTER (1 << 1)
1156 #define FEATURE_VXLAN_MULTI_WQ (1 << 2)
1157
1158 #define FEATURE_VXLAN_IPV6 (FEATURE_VXLAN_IPV6_INNER | \
1159 FEATURE_VXLAN_IPV6_OUTER)
1160
1161 /*
1162 * CMD_CONFIG_GRPINTR subcommands
1163 */
1164 typedef enum {
1165 GRPINTR_ENABLE = 1,
1166 GRPINTR_DISABLE,
1167 GRPINTR_UPD_VECT,
1168 } grpintr_subcmd_t;
1169
1170 /*
1171 * Structure for counter DMA
1172 * (DMAed by CMD_COUNTER_DMA_CONFIG)
1173 */
1174 struct vnic_counter_counts {
1175 u64 vcc_packets;
1176 u64 vcc_bytes;
1177 };
1178
1179 #endif /* _VNIC_DEVCMD_H_ */
Ceph