1/*-
2 * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0
3 *
4 * Copyright (c) 2014 Intel Corporation.  All rights reserved.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses.  You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 *     Redistribution and use in source and binary forms, with or
13 *     without modification, are permitted provided that the following
14 *     conditions are met:
15 *
16 *      - Redistributions of source code must retain the above
17 *        copyright notice, this list of conditions and the following
18 *        disclaimer.
19 *
20 *      - Redistributions in binary form must reproduce the above
21 *        copyright notice, this list of conditions and the following
22 *        disclaimer in the documentation and/or other materials
23 *        provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 */
34
35#if !defined(OPA_PORT_INFO_H)
36#define OPA_PORT_INFO_H
37
38#define OPA_PORT_LINK_MODE_NOP	0		/* No change */
39#define OPA_PORT_LINK_MODE_OPA	4		/* Port mode is OPA */
40
41#define OPA_PORT_PACKET_FORMAT_NOP	0		/* No change */
42#define OPA_PORT_PACKET_FORMAT_8B	1		/* Format 8B */
43#define OPA_PORT_PACKET_FORMAT_9B	2		/* Format 9B */
44#define OPA_PORT_PACKET_FORMAT_10B	4		/* Format 10B */
45#define OPA_PORT_PACKET_FORMAT_16B	8		/* Format 16B */
46
47#define OPA_PORT_LTP_CRC_MODE_NONE	0	/* No change */
48#define OPA_PORT_LTP_CRC_MODE_14	1	/* 14-bit LTP CRC mode (optional) */
49#define OPA_PORT_LTP_CRC_MODE_16	2	/* 16-bit LTP CRC mode */
50#define OPA_PORT_LTP_CRC_MODE_48	4	/* 48-bit LTP CRC mode (optional) */
51#define OPA_PORT_LTP_CRC_MODE_PER_LANE  8	/* 12/16-bit per lane LTP CRC mode */
52
53/* Link Down / Neighbor Link Down Reason; indicated as follows: */
54#define OPA_LINKDOWN_REASON_NONE				0	/* No specified reason */
55#define OPA_LINKDOWN_REASON_RCV_ERROR_0				1
56#define OPA_LINKDOWN_REASON_BAD_PKT_LEN				2
57#define OPA_LINKDOWN_REASON_PKT_TOO_LONG			3
58#define OPA_LINKDOWN_REASON_PKT_TOO_SHORT			4
59#define OPA_LINKDOWN_REASON_BAD_SLID				5
60#define OPA_LINKDOWN_REASON_BAD_DLID				6
61#define OPA_LINKDOWN_REASON_BAD_L2				7
62#define OPA_LINKDOWN_REASON_BAD_SC				8
63#define OPA_LINKDOWN_REASON_RCV_ERROR_8				9
64#define OPA_LINKDOWN_REASON_BAD_MID_TAIL			10
65#define OPA_LINKDOWN_REASON_RCV_ERROR_10			11
66#define OPA_LINKDOWN_REASON_PREEMPT_ERROR			12
67#define OPA_LINKDOWN_REASON_PREEMPT_VL15			13
68#define OPA_LINKDOWN_REASON_BAD_VL_MARKER			14
69#define OPA_LINKDOWN_REASON_RCV_ERROR_14			15
70#define OPA_LINKDOWN_REASON_RCV_ERROR_15			16
71#define OPA_LINKDOWN_REASON_BAD_HEAD_DIST			17
72#define OPA_LINKDOWN_REASON_BAD_TAIL_DIST			18
73#define OPA_LINKDOWN_REASON_BAD_CTRL_DIST			19
74#define OPA_LINKDOWN_REASON_BAD_CREDIT_ACK			20
75#define OPA_LINKDOWN_REASON_UNSUPPORTED_VL_MARKER		21
76#define OPA_LINKDOWN_REASON_BAD_PREEMPT				22
77#define OPA_LINKDOWN_REASON_BAD_CONTROL_FLIT			23
78#define OPA_LINKDOWN_REASON_EXCEED_MULTICAST_LIMIT		24
79#define OPA_LINKDOWN_REASON_RCV_ERROR_24			25
80#define OPA_LINKDOWN_REASON_RCV_ERROR_25			26
81#define OPA_LINKDOWN_REASON_RCV_ERROR_26			27
82#define OPA_LINKDOWN_REASON_RCV_ERROR_27			28
83#define OPA_LINKDOWN_REASON_RCV_ERROR_28			29
84#define OPA_LINKDOWN_REASON_RCV_ERROR_29			30
85#define OPA_LINKDOWN_REASON_RCV_ERROR_30			31
86#define OPA_LINKDOWN_REASON_EXCESSIVE_BUFFER_OVERRUN		32
87#define OPA_LINKDOWN_REASON_UNKNOWN				33
88/* 34 -reserved */
89#define OPA_LINKDOWN_REASON_REBOOT				35
90#define OPA_LINKDOWN_REASON_NEIGHBOR_UNKNOWN			36
91/* 37-38 reserved */
92#define OPA_LINKDOWN_REASON_FM_BOUNCE				39
93#define OPA_LINKDOWN_REASON_SPEED_POLICY			40
94#define OPA_LINKDOWN_REASON_WIDTH_POLICY			41
95/* 42-48 reserved */
96#define OPA_LINKDOWN_REASON_DISCONNECTED			49
97#define OPA_LINKDOWN_REASON_LOCAL_MEDIA_NOT_INSTALLED		50
98#define OPA_LINKDOWN_REASON_NOT_INSTALLED			51
99#define OPA_LINKDOWN_REASON_CHASSIS_CONFIG			52
100/* 53 reserved */
101#define OPA_LINKDOWN_REASON_END_TO_END_NOT_INSTALLED		54
102/* 55 reserved */
103#define OPA_LINKDOWN_REASON_POWER_POLICY			56
104#define OPA_LINKDOWN_REASON_LINKSPEED_POLICY			57
105#define OPA_LINKDOWN_REASON_LINKWIDTH_POLICY			58
106/* 59 reserved */
107#define OPA_LINKDOWN_REASON_SWITCH_MGMT				60
108#define OPA_LINKDOWN_REASON_SMA_DISABLED			61
109/* 62 reserved */
110#define OPA_LINKDOWN_REASON_TRANSIENT				63
111/* 64-255 reserved */
112
113/* OPA Link Init reason; indicated as follows: */
114/* 3-7; 11-15 reserved; 8-15 cleared on Polling->LinkUp */
115#define OPA_LINKINIT_REASON_NOP                 0
116#define OPA_LINKINIT_REASON_LINKUP              (1 << 4)
117#define OPA_LINKINIT_REASON_FLAPPING            (2 << 4)
118#define OPA_LINKINIT_REASON_CLEAR               (8 << 4)
119#define OPA_LINKINIT_OUTSIDE_POLICY             (8 << 4)
120#define OPA_LINKINIT_QUARANTINED                (9 << 4)
121#define OPA_LINKINIT_INSUFIC_CAPABILITY         (10 << 4)
122
123#define OPA_LINK_SPEED_NOP              0x0000  /*  Reserved (1-5 Gbps) */
124#define OPA_LINK_SPEED_12_5G            0x0001  /*  12.5 Gbps */
125#define OPA_LINK_SPEED_25G              0x0002  /*  25.78125?  Gbps (EDR) */
126
127#define OPA_LINK_WIDTH_1X            0x0001
128#define OPA_LINK_WIDTH_2X            0x0002
129#define OPA_LINK_WIDTH_3X            0x0004
130#define OPA_LINK_WIDTH_4X            0x0008
131
132#define OPA_CAP_MASK3_IsSnoopSupported            (1 << 7)
133#define OPA_CAP_MASK3_IsAsyncSC2VLSupported       (1 << 6)
134#define OPA_CAP_MASK3_IsAddrRangeConfigSupported  (1 << 5)
135#define OPA_CAP_MASK3_IsPassThroughSupported      (1 << 4)
136#define OPA_CAP_MASK3_IsSharedSpaceSupported      (1 << 3)
137/* reserved (1 << 2) */
138#define OPA_CAP_MASK3_IsVLMarkerSupported         (1 << 1)
139#define OPA_CAP_MASK3_IsVLrSupported              (1 << 0)
140
141/**
142 * new MTU values
143 */
144enum {
145	OPA_MTU_8192  = 6,
146	OPA_MTU_10240 = 7,
147};
148
149enum {
150	OPA_PORT_PHYS_CONF_DISCONNECTED = 0,
151	OPA_PORT_PHYS_CONF_STANDARD     = 1,
152	OPA_PORT_PHYS_CONF_FIXED        = 2,
153	OPA_PORT_PHYS_CONF_VARIABLE     = 3,
154	OPA_PORT_PHYS_CONF_SI_PHOTO     = 4
155};
156
157enum port_info_field_masks {
158	/* vl.cap */
159	OPA_PI_MASK_VL_CAP                        = 0x1F,
160	/* port_states.ledenable_offlinereason */
161	OPA_PI_MASK_OFFLINE_REASON                = 0x0F,
162	OPA_PI_MASK_LED_ENABLE                    = 0x40,
163	/* port_states.unsleepstate_downdefstate */
164	OPA_PI_MASK_UNSLEEP_STATE                 = 0xF0,
165	OPA_PI_MASK_DOWNDEF_STATE                 = 0x0F,
166	/* port_states.portphysstate_portstate */
167	OPA_PI_MASK_PORT_PHYSICAL_STATE           = 0xF0,
168	OPA_PI_MASK_PORT_STATE                    = 0x0F,
169	/* port_phys_conf */
170	OPA_PI_MASK_PORT_PHYSICAL_CONF            = 0x0F,
171	/* collectivemask_multicastmask */
172	OPA_PI_MASK_COLLECT_MASK                  = 0x38,
173	OPA_PI_MASK_MULTICAST_MASK                = 0x07,
174	/* mkeyprotect_lmc */
175	OPA_PI_MASK_MKEY_PROT_BIT                 = 0xC0,
176	OPA_PI_MASK_LMC                           = 0x0F,
177	/* smsl */
178	OPA_PI_MASK_SMSL                          = 0x1F,
179	/* partenforce_filterraw */
180	/* Filter Raw In/Out bits 1 and 2 were removed */
181	OPA_PI_MASK_LINKINIT_REASON               = 0xF0,
182	OPA_PI_MASK_PARTITION_ENFORCE_IN          = 0x08,
183	OPA_PI_MASK_PARTITION_ENFORCE_OUT         = 0x04,
184	/* operational_vls */
185	OPA_PI_MASK_OPERATIONAL_VL                = 0x1F,
186	/* sa_qp */
187	OPA_PI_MASK_SA_QP                         = 0x00FFFFFF,
188	/* sm_trap_qp */
189	OPA_PI_MASK_SM_TRAP_QP                    = 0x00FFFFFF,
190	/* localphy_overrun_errors */
191	OPA_PI_MASK_LOCAL_PHY_ERRORS              = 0xF0,
192	OPA_PI_MASK_OVERRUN_ERRORS                = 0x0F,
193	/* clientrereg_subnettimeout */
194	OPA_PI_MASK_CLIENT_REREGISTER             = 0x80,
195	OPA_PI_MASK_SUBNET_TIMEOUT                = 0x1F,
196	/* port_link_mode */
197	OPA_PI_MASK_PORT_LINK_SUPPORTED           = (0x001F << 10),
198	OPA_PI_MASK_PORT_LINK_ENABLED             = (0x001F <<  5),
199	OPA_PI_MASK_PORT_LINK_ACTIVE              = (0x001F <<  0),
200	/* port_link_crc_mode */
201	OPA_PI_MASK_PORT_LINK_CRC_SUPPORTED       = 0x0F00,
202	OPA_PI_MASK_PORT_LINK_CRC_ENABLED         = 0x00F0,
203	OPA_PI_MASK_PORT_LINK_CRC_ACTIVE          = 0x000F,
204	/* port_mode */
205	OPA_PI_MASK_PORT_MODE_SECURITY_CHECK      = 0x0001,
206	OPA_PI_MASK_PORT_MODE_16B_TRAP_QUERY      = 0x0002,
207	OPA_PI_MASK_PORT_MODE_PKEY_CONVERT        = 0x0004,
208	OPA_PI_MASK_PORT_MODE_SC2SC_MAPPING       = 0x0008,
209	OPA_PI_MASK_PORT_MODE_VL_MARKER           = 0x0010,
210	OPA_PI_MASK_PORT_PASS_THROUGH             = 0x0020,
211	OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE          = 0x0040,
212	/* flit_control.interleave */
213	OPA_PI_MASK_INTERLEAVE_DIST_SUP           = (0x0003 << 12),
214	OPA_PI_MASK_INTERLEAVE_DIST_ENABLE        = (0x0003 << 10),
215	OPA_PI_MASK_INTERLEAVE_MAX_NEST_TX        = (0x001F <<  5),
216	OPA_PI_MASK_INTERLEAVE_MAX_NEST_RX        = (0x001F <<  0),
217
218	/* port_error_action */
219	OPA_PI_MASK_EX_BUFFER_OVERRUN                  = 0x80000000,
220		/* 7 bits reserved */
221	OPA_PI_MASK_FM_CFG_ERR_EXCEED_MULTICAST_LIMIT  = 0x00800000,
222	OPA_PI_MASK_FM_CFG_BAD_CONTROL_FLIT            = 0x00400000,
223	OPA_PI_MASK_FM_CFG_BAD_PREEMPT                 = 0x00200000,
224	OPA_PI_MASK_FM_CFG_UNSUPPORTED_VL_MARKER       = 0x00100000,
225	OPA_PI_MASK_FM_CFG_BAD_CRDT_ACK                = 0x00080000,
226	OPA_PI_MASK_FM_CFG_BAD_CTRL_DIST               = 0x00040000,
227	OPA_PI_MASK_FM_CFG_BAD_TAIL_DIST               = 0x00020000,
228	OPA_PI_MASK_FM_CFG_BAD_HEAD_DIST               = 0x00010000,
229		/* 2 bits reserved */
230	OPA_PI_MASK_PORT_RCV_BAD_VL_MARKER             = 0x00002000,
231	OPA_PI_MASK_PORT_RCV_PREEMPT_VL15              = 0x00001000,
232	OPA_PI_MASK_PORT_RCV_PREEMPT_ERROR             = 0x00000800,
233		/* 1 bit reserved */
234	OPA_PI_MASK_PORT_RCV_BAD_MidTail               = 0x00000200,
235		/* 1 bit reserved */
236	OPA_PI_MASK_PORT_RCV_BAD_SC                    = 0x00000080,
237	OPA_PI_MASK_PORT_RCV_BAD_L2                    = 0x00000040,
238	OPA_PI_MASK_PORT_RCV_BAD_DLID                  = 0x00000020,
239	OPA_PI_MASK_PORT_RCV_BAD_SLID                  = 0x00000010,
240	OPA_PI_MASK_PORT_RCV_PKTLEN_TOOSHORT           = 0x00000008,
241	OPA_PI_MASK_PORT_RCV_PKTLEN_TOOLONG            = 0x00000004,
242	OPA_PI_MASK_PORT_RCV_BAD_PKTLEN                = 0x00000002,
243	OPA_PI_MASK_PORT_RCV_BAD_LT                    = 0x00000001,
244
245	/* pass_through.res_drctl */
246	OPA_PI_MASK_PASS_THROUGH_DR_CONTROL       = 0x01,
247
248	/* buffer_units */
249	OPA_PI_MASK_BUF_UNIT_VL15_INIT            = (0x00000FFF  << 11),
250	OPA_PI_MASK_BUF_UNIT_VL15_CREDIT_RATE     = (0x0000001F  <<  6),
251	OPA_PI_MASK_BUF_UNIT_CREDIT_ACK           = (0x00000003  <<  3),
252	OPA_PI_MASK_BUF_UNIT_BUF_ALLOC            = (0x00000003  <<  0),
253
254	/* neigh_mtu.pvlx_to_mtu */
255	OPA_PI_MASK_NEIGH_MTU_PVL0                = 0xF0,
256	OPA_PI_MASK_NEIGH_MTU_PVL1                = 0x0F,
257
258	/* neigh_mtu.vlstall_hoq_life */
259	OPA_PI_MASK_VL_STALL                      = (0x03 << 5),
260	OPA_PI_MASK_HOQ_LIFE                      = (0x1F << 0),
261
262	/* port_neigh_mode */
263	OPA_PI_MASK_NEIGH_MGMT_ALLOWED            = (0x01 << 3),
264	OPA_PI_MASK_NEIGH_FW_AUTH_BYPASS          = (0x01 << 2),
265	OPA_PI_MASK_NEIGH_NODE_TYPE               = (0x03 << 0),
266
267	/* resptime_value */
268	OPA_PI_MASK_RESPONSE_TIME_VALUE           = 0x1F,
269
270	/* mtucap */
271	OPA_PI_MASK_MTU_CAP                       = 0x0F,
272};
273
274struct opa_port_states {
275	u8     reserved;
276	u8     ledenable_offlinereason;   /* 1 res, 1 bit, 6 bits */
277	u8     reserved2;
278	u8     portphysstate_portstate;   /* 4 bits, 4 bits */
279};
280
281struct opa_port_state_info {
282	struct opa_port_states port_states;
283	__be16 link_width_downgrade_tx_active;
284	__be16 link_width_downgrade_rx_active;
285};
286
287struct opa_port_info {
288	__be32 lid;
289	__be32 flow_control_mask;
290
291	struct {
292		u8     res;                       /* was inittype */
293		u8     cap;                       /* 3 res, 5 bits */
294		__be16 high_limit;
295		__be16 preempt_limit;
296		u8     arb_high_cap;
297		u8     arb_low_cap;
298	} vl;
299
300	struct opa_port_states  port_states;
301	u8     port_phys_conf;                    /* 4 res, 4 bits */
302	u8     collectivemask_multicastmask;      /* 2 res, 3, 3 */
303	u8     mkeyprotect_lmc;                   /* 2 bits, 2 res, 4 bits */
304	u8     smsl;                              /* 3 res, 5 bits */
305
306	u8     partenforce_filterraw;             /* bit fields */
307	u8     operational_vls;                    /* 3 res, 5 bits */
308	__be16 pkey_8b;
309	__be16 pkey_10b;
310	__be16 mkey_violations;
311
312	__be16 pkey_violations;
313	__be16 qkey_violations;
314	__be32 sm_trap_qp;                        /* 8 bits, 24 bits */
315
316	__be32 sa_qp;                             /* 8 bits, 24 bits */
317	u8     neigh_port_num;
318	u8     link_down_reason;
319	u8     neigh_link_down_reason;
320	u8     clientrereg_subnettimeout;	  /* 1 bit, 2 bits, 5 */
321
322	struct {
323		__be16 supported;
324		__be16 enabled;
325		__be16 active;
326	} link_speed;
327	struct {
328		__be16 supported;
329		__be16 enabled;
330		__be16 active;
331	} link_width;
332	struct {
333		__be16 supported;
334		__be16 enabled;
335		__be16 tx_active;
336		__be16 rx_active;
337	} link_width_downgrade;
338	__be16 port_link_mode;                  /* 1 res, 5 bits, 5 bits, 5 bits */
339	__be16 port_ltp_crc_mode;               /* 4 res, 4 bits, 4 bits, 4 bits */
340
341	__be16 port_mode;                       /* 9 res, bit fields */
342	struct {
343		__be16 supported;
344		__be16 enabled;
345	} port_packet_format;
346	struct {
347		__be16 interleave;  /* 2 res, 2,2,5,5 */
348		struct {
349			__be16 min_initial;
350			__be16 min_tail;
351			u8     large_pkt_limit;
352			u8     small_pkt_limit;
353			u8     max_small_pkt_limit;
354			u8     preemption_limit;
355		} preemption;
356	} flit_control;
357
358	__be32 reserved4;
359	__be32 port_error_action; /* bit field */
360
361	struct {
362		u8 egress_port;
363		u8 res_drctl;                    /* 7 res, 1 */
364	} pass_through;
365	__be16 mkey_lease_period;
366	__be32 buffer_units;                     /* 9 res, 12, 5, 3, 3 */
367
368	__be32 reserved5;
369	__be32 sm_lid;
370
371	__be64 mkey;
372
373	__be64 subnet_prefix;
374
375	struct {
376		u8 pvlx_to_mtu[OPA_MAX_VLS/2]; /* 4 bits, 4 bits */
377	} neigh_mtu;
378
379	struct {
380		u8 vlstall_hoqlife;             /* 3 bits, 5 bits */
381	} xmit_q[OPA_MAX_VLS];
382
383	struct {
384		u8 addr[16];
385	} ipaddr_ipv6;
386
387	struct {
388		u8 addr[4];
389	} ipaddr_ipv4;
390
391	u32    reserved6;
392	u32    reserved7;
393	u32    reserved8;
394
395	__be64 neigh_node_guid;
396
397	__be32 ib_cap_mask;
398	__be16 reserved9;                    /* was ib_cap_mask2 */
399	__be16 opa_cap_mask;
400
401	__be32 reserved10;                   /* was link_roundtrip_latency */
402	__be16 overall_buffer_space;
403	__be16 reserved11;                   /* was max_credit_hint */
404
405	__be16 diag_code;
406	struct {
407		u8 buffer;
408		u8 wire;
409	} replay_depth;
410	u8     port_neigh_mode;
411	u8     mtucap;                          /* 4 res, 4 bits */
412
413	u8     resptimevalue;		        /* 3 res, 5 bits */
414	u8     local_port_num;
415	u8     reserved12;
416	u8     reserved13;                       /* was guid_cap */
417} __attribute__ ((packed));
418
419#endif /* OPA_PORT_INFO_H */
420