xref: /linux/include/rdma/opa_port_info.h (revision d2912cb15bdda8ba4a5dd73396ad62641af2f520)
1 /*
2  * Copyright (c) 2014-2017 Intel Corporation.  All rights reserved.
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and/or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32 
33 #if !defined(OPA_PORT_INFO_H)
34 #define OPA_PORT_INFO_H
35 
36 #define OPA_PORT_LINK_MODE_NOP	0		/* No change */
37 #define OPA_PORT_LINK_MODE_OPA	4		/* Port mode is OPA */
38 
39 #define OPA_PORT_PACKET_FORMAT_NOP	0		/* No change */
40 #define OPA_PORT_PACKET_FORMAT_8B	1		/* Format 8B */
41 #define OPA_PORT_PACKET_FORMAT_9B	2		/* Format 9B */
42 #define OPA_PORT_PACKET_FORMAT_10B	4		/* Format 10B */
43 #define OPA_PORT_PACKET_FORMAT_16B	8		/* Format 16B */
44 
45 #define OPA_PORT_LTP_CRC_MODE_NONE	0	/* No change */
46 #define OPA_PORT_LTP_CRC_MODE_14	1	/* 14-bit LTP CRC mode (optional) */
47 #define OPA_PORT_LTP_CRC_MODE_16	2	/* 16-bit LTP CRC mode */
48 #define OPA_PORT_LTP_CRC_MODE_48	4	/* 48-bit LTP CRC mode (optional) */
49 #define OPA_PORT_LTP_CRC_MODE_PER_LANE  8	/* 12/16-bit per lane LTP CRC mode */
50 
51 /* Link Down / Neighbor Link Down Reason; indicated as follows: */
52 #define OPA_LINKDOWN_REASON_NONE				0	/* No specified reason */
53 #define OPA_LINKDOWN_REASON_RCV_ERROR_0				1
54 #define OPA_LINKDOWN_REASON_BAD_PKT_LEN				2
55 #define OPA_LINKDOWN_REASON_PKT_TOO_LONG			3
56 #define OPA_LINKDOWN_REASON_PKT_TOO_SHORT			4
57 #define OPA_LINKDOWN_REASON_BAD_SLID				5
58 #define OPA_LINKDOWN_REASON_BAD_DLID				6
59 #define OPA_LINKDOWN_REASON_BAD_L2				7
60 #define OPA_LINKDOWN_REASON_BAD_SC				8
61 #define OPA_LINKDOWN_REASON_RCV_ERROR_8				9
62 #define OPA_LINKDOWN_REASON_BAD_MID_TAIL			10
63 #define OPA_LINKDOWN_REASON_RCV_ERROR_10			11
64 #define OPA_LINKDOWN_REASON_PREEMPT_ERROR			12
65 #define OPA_LINKDOWN_REASON_PREEMPT_VL15			13
66 #define OPA_LINKDOWN_REASON_BAD_VL_MARKER			14
67 #define OPA_LINKDOWN_REASON_RCV_ERROR_14			15
68 #define OPA_LINKDOWN_REASON_RCV_ERROR_15			16
69 #define OPA_LINKDOWN_REASON_BAD_HEAD_DIST			17
70 #define OPA_LINKDOWN_REASON_BAD_TAIL_DIST			18
71 #define OPA_LINKDOWN_REASON_BAD_CTRL_DIST			19
72 #define OPA_LINKDOWN_REASON_BAD_CREDIT_ACK			20
73 #define OPA_LINKDOWN_REASON_UNSUPPORTED_VL_MARKER		21
74 #define OPA_LINKDOWN_REASON_BAD_PREEMPT				22
75 #define OPA_LINKDOWN_REASON_BAD_CONTROL_FLIT			23
76 #define OPA_LINKDOWN_REASON_EXCEED_MULTICAST_LIMIT		24
77 #define OPA_LINKDOWN_REASON_RCV_ERROR_24			25
78 #define OPA_LINKDOWN_REASON_RCV_ERROR_25			26
79 #define OPA_LINKDOWN_REASON_RCV_ERROR_26			27
80 #define OPA_LINKDOWN_REASON_RCV_ERROR_27			28
81 #define OPA_LINKDOWN_REASON_RCV_ERROR_28			29
82 #define OPA_LINKDOWN_REASON_RCV_ERROR_29			30
83 #define OPA_LINKDOWN_REASON_RCV_ERROR_30			31
84 #define OPA_LINKDOWN_REASON_EXCESSIVE_BUFFER_OVERRUN		32
85 #define OPA_LINKDOWN_REASON_UNKNOWN				33
86 /* 34 -reserved */
87 #define OPA_LINKDOWN_REASON_REBOOT				35
88 #define OPA_LINKDOWN_REASON_NEIGHBOR_UNKNOWN			36
89 /* 37-38 reserved */
90 #define OPA_LINKDOWN_REASON_FM_BOUNCE				39
91 #define OPA_LINKDOWN_REASON_SPEED_POLICY			40
92 #define OPA_LINKDOWN_REASON_WIDTH_POLICY			41
93 /* 42-48 reserved */
94 #define OPA_LINKDOWN_REASON_DISCONNECTED			49
95 #define OPA_LINKDOWN_REASON_LOCAL_MEDIA_NOT_INSTALLED		50
96 #define OPA_LINKDOWN_REASON_NOT_INSTALLED			51
97 #define OPA_LINKDOWN_REASON_CHASSIS_CONFIG			52
98 /* 53 reserved */
99 #define OPA_LINKDOWN_REASON_END_TO_END_NOT_INSTALLED		54
100 /* 55 reserved */
101 #define OPA_LINKDOWN_REASON_POWER_POLICY			56
102 #define OPA_LINKDOWN_REASON_LINKSPEED_POLICY			57
103 #define OPA_LINKDOWN_REASON_LINKWIDTH_POLICY			58
104 /* 59 reserved */
105 #define OPA_LINKDOWN_REASON_SWITCH_MGMT				60
106 #define OPA_LINKDOWN_REASON_SMA_DISABLED			61
107 /* 62 reserved */
108 #define OPA_LINKDOWN_REASON_TRANSIENT				63
109 /* 64-255 reserved */
110 
111 /* OPA Link Init reason; indicated as follows: */
112 /* 3-7; 11-15 reserved; 8-15 cleared on Polling->LinkUp */
113 #define OPA_LINKINIT_REASON_NOP                 0
114 #define OPA_LINKINIT_REASON_LINKUP              (1 << 4)
115 #define OPA_LINKINIT_REASON_FLAPPING            (2 << 4)
116 #define OPA_LINKINIT_REASON_CLEAR               (8 << 4)
117 #define OPA_LINKINIT_OUTSIDE_POLICY             (8 << 4)
118 #define OPA_LINKINIT_QUARANTINED                (9 << 4)
119 #define OPA_LINKINIT_INSUFIC_CAPABILITY         (10 << 4)
120 
121 #define OPA_LINK_SPEED_NOP              0x0000  /*  Reserved (1-5 Gbps) */
122 #define OPA_LINK_SPEED_12_5G            0x0001  /*  12.5 Gbps */
123 #define OPA_LINK_SPEED_25G              0x0002  /*  25.78125?  Gbps (EDR) */
124 
125 #define OPA_LINK_WIDTH_1X            0x0001
126 #define OPA_LINK_WIDTH_2X            0x0002
127 #define OPA_LINK_WIDTH_3X            0x0004
128 #define OPA_LINK_WIDTH_4X            0x0008
129 
130 #define OPA_CAP_MASK3_IsEthOnFabricSupported      (1 << 13)
131 #define OPA_CAP_MASK3_IsSnoopSupported            (1 << 7)
132 #define OPA_CAP_MASK3_IsAsyncSC2VLSupported       (1 << 6)
133 #define OPA_CAP_MASK3_IsAddrRangeConfigSupported  (1 << 5)
134 #define OPA_CAP_MASK3_IsPassThroughSupported      (1 << 4)
135 #define OPA_CAP_MASK3_IsSharedSpaceSupported      (1 << 3)
136 /* reserved (1 << 2) */
137 #define OPA_CAP_MASK3_IsVLMarkerSupported         (1 << 1)
138 #define OPA_CAP_MASK3_IsVLrSupported              (1 << 0)
139 
140 /**
141  * new MTU values
142  */
143 enum {
144 	OPA_MTU_8192  = 6,
145 	OPA_MTU_10240 = 7,
146 };
147 
148 enum {
149 	OPA_PORT_PHYS_CONF_DISCONNECTED = 0,
150 	OPA_PORT_PHYS_CONF_STANDARD     = 1,
151 	OPA_PORT_PHYS_CONF_FIXED        = 2,
152 	OPA_PORT_PHYS_CONF_VARIABLE     = 3,
153 	OPA_PORT_PHYS_CONF_SI_PHOTO     = 4
154 };
155 
156 enum port_info_field_masks {
157 	/* vl.cap */
158 	OPA_PI_MASK_VL_CAP                        = 0x1F,
159 	/* port_states.ledenable_offlinereason */
160 	OPA_PI_MASK_OFFLINE_REASON                = 0x0F,
161 	OPA_PI_MASK_LED_ENABLE                    = 0x40,
162 	/* port_states.unsleepstate_downdefstate */
163 	OPA_PI_MASK_UNSLEEP_STATE                 = 0xF0,
164 	OPA_PI_MASK_DOWNDEF_STATE                 = 0x0F,
165 	/* port_states.portphysstate_portstate */
166 	OPA_PI_MASK_PORT_PHYSICAL_STATE           = 0xF0,
167 	OPA_PI_MASK_PORT_STATE                    = 0x0F,
168 	/* port_phys_conf */
169 	OPA_PI_MASK_PORT_PHYSICAL_CONF            = 0x0F,
170 	/* collectivemask_multicastmask */
171 	OPA_PI_MASK_COLLECT_MASK                  = 0x38,
172 	OPA_PI_MASK_MULTICAST_MASK                = 0x07,
173 	/* mkeyprotect_lmc */
174 	OPA_PI_MASK_MKEY_PROT_BIT                 = 0xC0,
175 	OPA_PI_MASK_LMC                           = 0x0F,
176 	/* smsl */
177 	OPA_PI_MASK_SMSL                          = 0x1F,
178 	/* partenforce_filterraw */
179 	/* Filter Raw In/Out bits 1 and 2 were removed */
180 	OPA_PI_MASK_LINKINIT_REASON               = 0xF0,
181 	OPA_PI_MASK_PARTITION_ENFORCE_IN          = 0x08,
182 	OPA_PI_MASK_PARTITION_ENFORCE_OUT         = 0x04,
183 	/* operational_vls */
184 	OPA_PI_MASK_OPERATIONAL_VL                = 0x1F,
185 	/* sa_qp */
186 	OPA_PI_MASK_SA_QP                         = 0x00FFFFFF,
187 	/* sm_trap_qp */
188 	OPA_PI_MASK_SM_TRAP_QP                    = 0x00FFFFFF,
189 	/* localphy_overrun_errors */
190 	OPA_PI_MASK_LOCAL_PHY_ERRORS              = 0xF0,
191 	OPA_PI_MASK_OVERRUN_ERRORS                = 0x0F,
192 	/* clientrereg_subnettimeout */
193 	OPA_PI_MASK_CLIENT_REREGISTER             = 0x80,
194 	OPA_PI_MASK_SUBNET_TIMEOUT                = 0x1F,
195 	/* port_link_mode */
196 	OPA_PI_MASK_PORT_LINK_SUPPORTED           = (0x001F << 10),
197 	OPA_PI_MASK_PORT_LINK_ENABLED             = (0x001F <<  5),
198 	OPA_PI_MASK_PORT_LINK_ACTIVE              = (0x001F <<  0),
199 	/* port_link_crc_mode */
200 	OPA_PI_MASK_PORT_LINK_CRC_SUPPORTED       = 0x0F00,
201 	OPA_PI_MASK_PORT_LINK_CRC_ENABLED         = 0x00F0,
202 	OPA_PI_MASK_PORT_LINK_CRC_ACTIVE          = 0x000F,
203 	/* port_mode */
204 	OPA_PI_MASK_PORT_MODE_SECURITY_CHECK      = 0x0001,
205 	OPA_PI_MASK_PORT_MODE_16B_TRAP_QUERY      = 0x0002,
206 	OPA_PI_MASK_PORT_MODE_PKEY_CONVERT        = 0x0004,
207 	OPA_PI_MASK_PORT_MODE_SC2SC_MAPPING       = 0x0008,
208 	OPA_PI_MASK_PORT_MODE_VL_MARKER           = 0x0010,
209 	OPA_PI_MASK_PORT_PASS_THROUGH             = 0x0020,
210 	OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE          = 0x0040,
211 	/* flit_control.interleave */
212 	OPA_PI_MASK_INTERLEAVE_DIST_SUP           = (0x0003 << 12),
213 	OPA_PI_MASK_INTERLEAVE_DIST_ENABLE        = (0x0003 << 10),
214 	OPA_PI_MASK_INTERLEAVE_MAX_NEST_TX        = (0x001F <<  5),
215 	OPA_PI_MASK_INTERLEAVE_MAX_NEST_RX        = (0x001F <<  0),
216 
217 	/* port_error_action */
218 	OPA_PI_MASK_EX_BUFFER_OVERRUN                  = 0x80000000,
219 		/* 7 bits reserved */
220 	OPA_PI_MASK_FM_CFG_ERR_EXCEED_MULTICAST_LIMIT  = 0x00800000,
221 	OPA_PI_MASK_FM_CFG_BAD_CONTROL_FLIT            = 0x00400000,
222 	OPA_PI_MASK_FM_CFG_BAD_PREEMPT                 = 0x00200000,
223 	OPA_PI_MASK_FM_CFG_UNSUPPORTED_VL_MARKER       = 0x00100000,
224 	OPA_PI_MASK_FM_CFG_BAD_CRDT_ACK                = 0x00080000,
225 	OPA_PI_MASK_FM_CFG_BAD_CTRL_DIST               = 0x00040000,
226 	OPA_PI_MASK_FM_CFG_BAD_TAIL_DIST               = 0x00020000,
227 	OPA_PI_MASK_FM_CFG_BAD_HEAD_DIST               = 0x00010000,
228 		/* 2 bits reserved */
229 	OPA_PI_MASK_PORT_RCV_BAD_VL_MARKER             = 0x00002000,
230 	OPA_PI_MASK_PORT_RCV_PREEMPT_VL15              = 0x00001000,
231 	OPA_PI_MASK_PORT_RCV_PREEMPT_ERROR             = 0x00000800,
232 		/* 1 bit reserved */
233 	OPA_PI_MASK_PORT_RCV_BAD_MidTail               = 0x00000200,
234 		/* 1 bit reserved */
235 	OPA_PI_MASK_PORT_RCV_BAD_SC                    = 0x00000080,
236 	OPA_PI_MASK_PORT_RCV_BAD_L2                    = 0x00000040,
237 	OPA_PI_MASK_PORT_RCV_BAD_DLID                  = 0x00000020,
238 	OPA_PI_MASK_PORT_RCV_BAD_SLID                  = 0x00000010,
239 	OPA_PI_MASK_PORT_RCV_PKTLEN_TOOSHORT           = 0x00000008,
240 	OPA_PI_MASK_PORT_RCV_PKTLEN_TOOLONG            = 0x00000004,
241 	OPA_PI_MASK_PORT_RCV_BAD_PKTLEN                = 0x00000002,
242 	OPA_PI_MASK_PORT_RCV_BAD_LT                    = 0x00000001,
243 
244 	/* pass_through.res_drctl */
245 	OPA_PI_MASK_PASS_THROUGH_DR_CONTROL       = 0x01,
246 
247 	/* buffer_units */
248 	OPA_PI_MASK_BUF_UNIT_VL15_INIT            = (0x00000FFF  << 11),
249 	OPA_PI_MASK_BUF_UNIT_VL15_CREDIT_RATE     = (0x0000001F  <<  6),
250 	OPA_PI_MASK_BUF_UNIT_CREDIT_ACK           = (0x00000003  <<  3),
251 	OPA_PI_MASK_BUF_UNIT_BUF_ALLOC            = (0x00000003  <<  0),
252 
253 	/* neigh_mtu.pvlx_to_mtu */
254 	OPA_PI_MASK_NEIGH_MTU_PVL0                = 0xF0,
255 	OPA_PI_MASK_NEIGH_MTU_PVL1                = 0x0F,
256 
257 	/* neigh_mtu.vlstall_hoq_life */
258 	OPA_PI_MASK_VL_STALL                      = (0x03 << 5),
259 	OPA_PI_MASK_HOQ_LIFE                      = (0x1F << 0),
260 
261 	/* port_neigh_mode */
262 	OPA_PI_MASK_NEIGH_MGMT_ALLOWED            = (0x01 << 3),
263 	OPA_PI_MASK_NEIGH_FW_AUTH_BYPASS          = (0x01 << 2),
264 	OPA_PI_MASK_NEIGH_NODE_TYPE               = (0x03 << 0),
265 
266 	/* resptime_value */
267 	OPA_PI_MASK_RESPONSE_TIME_VALUE           = 0x1F,
268 
269 	/* mtucap */
270 	OPA_PI_MASK_MTU_CAP                       = 0x0F,
271 };
272 
273 struct opa_port_states {
274 	u8     reserved;
275 	u8     ledenable_offlinereason;   /* 1 res, 1 bit, 6 bits */
276 	u8     reserved2;
277 	u8     portphysstate_portstate;   /* 4 bits, 4 bits */
278 };
279 
280 struct opa_port_state_info {
281 	struct opa_port_states port_states;
282 	__be16 link_width_downgrade_tx_active;
283 	__be16 link_width_downgrade_rx_active;
284 };
285 
286 struct opa_port_info {
287 	__be32 lid;
288 	__be32 flow_control_mask;
289 
290 	struct {
291 		u8     res;                       /* was inittype */
292 		u8     cap;                       /* 3 res, 5 bits */
293 		__be16 high_limit;
294 		__be16 preempt_limit;
295 		u8     arb_high_cap;
296 		u8     arb_low_cap;
297 	} vl;
298 
299 	struct opa_port_states  port_states;
300 	u8     port_phys_conf;                    /* 4 res, 4 bits */
301 	u8     collectivemask_multicastmask;      /* 2 res, 3, 3 */
302 	u8     mkeyprotect_lmc;                   /* 2 bits, 2 res, 4 bits */
303 	u8     smsl;                              /* 3 res, 5 bits */
304 
305 	u8     partenforce_filterraw;             /* bit fields */
306 	u8     operational_vls;                    /* 3 res, 5 bits */
307 	__be16 pkey_8b;
308 	__be16 pkey_10b;
309 	__be16 mkey_violations;
310 
311 	__be16 pkey_violations;
312 	__be16 qkey_violations;
313 	__be32 sm_trap_qp;                        /* 8 bits, 24 bits */
314 
315 	__be32 sa_qp;                             /* 8 bits, 24 bits */
316 	u8     neigh_port_num;
317 	u8     link_down_reason;
318 	u8     neigh_link_down_reason;
319 	u8     clientrereg_subnettimeout;	  /* 1 bit, 2 bits, 5 */
320 
321 	struct {
322 		__be16 supported;
323 		__be16 enabled;
324 		__be16 active;
325 	} link_speed;
326 	struct {
327 		__be16 supported;
328 		__be16 enabled;
329 		__be16 active;
330 	} link_width;
331 	struct {
332 		__be16 supported;
333 		__be16 enabled;
334 		__be16 tx_active;
335 		__be16 rx_active;
336 	} link_width_downgrade;
337 	__be16 port_link_mode;                  /* 1 res, 5 bits, 5 bits, 5 bits */
338 	__be16 port_ltp_crc_mode;               /* 4 res, 4 bits, 4 bits, 4 bits */
339 
340 	__be16 port_mode;                       /* 9 res, bit fields */
341 	struct {
342 		__be16 supported;
343 		__be16 enabled;
344 	} port_packet_format;
345 	struct {
346 		__be16 interleave;  /* 2 res, 2,2,5,5 */
347 		struct {
348 			__be16 min_initial;
349 			__be16 min_tail;
350 			u8     large_pkt_limit;
351 			u8     small_pkt_limit;
352 			u8     max_small_pkt_limit;
353 			u8     preemption_limit;
354 		} preemption;
355 	} flit_control;
356 
357 	__be32 reserved4;
358 	__be32 port_error_action; /* bit field */
359 
360 	struct {
361 		u8 egress_port;
362 		u8 res_drctl;                    /* 7 res, 1 */
363 	} pass_through;
364 	__be16 mkey_lease_period;
365 	__be32 buffer_units;                     /* 9 res, 12, 5, 3, 3 */
366 
367 	__be32 reserved5;
368 	__be32 sm_lid;
369 
370 	__be64 mkey;
371 
372 	__be64 subnet_prefix;
373 
374 	struct {
375 		u8 pvlx_to_mtu[OPA_MAX_VLS/2]; /* 4 bits, 4 bits */
376 	} neigh_mtu;
377 
378 	struct {
379 		u8 vlstall_hoqlife;             /* 3 bits, 5 bits */
380 	} xmit_q[OPA_MAX_VLS];
381 
382 	struct {
383 		u8 addr[16];
384 	} ipaddr_ipv6;
385 
386 	struct {
387 		u8 addr[4];
388 	} ipaddr_ipv4;
389 
390 	u32    reserved6;
391 	u32    reserved7;
392 	u32    reserved8;
393 
394 	__be64 neigh_node_guid;
395 
396 	__be32 ib_cap_mask;
397 	__be16 reserved9;                    /* was ib_cap_mask2 */
398 	__be16 opa_cap_mask;
399 
400 	__be32 reserved10;                   /* was link_roundtrip_latency */
401 	__be16 overall_buffer_space;
402 	__be16 reserved11;                   /* was max_credit_hint */
403 
404 	__be16 diag_code;
405 	struct {
406 		u8 buffer;
407 		u8 wire;
408 	} replay_depth;
409 	u8     port_neigh_mode;
410 	u8     mtucap;                          /* 4 res, 4 bits */
411 
412 	u8     resptimevalue;		        /* 3 res, 5 bits */
413 	u8     local_port_num;
414 	u8     reserved12;
415 	u8     reserved13;                       /* was guid_cap */
416 } __packed;
417 
418 #endif /* OPA_PORT_INFO_H */
419