Merge tag 'arc-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
[cascardo/linux.git] / include / rdma / opa_port_info.h
1 /*
2  * Copyright (c) 2014 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_IsSnoopSupported            (1 << 7)
131 #define OPA_CAP_MASK3_IsAsyncSC2VLSupported       (1 << 6)
132 #define OPA_CAP_MASK3_IsAddrRangeConfigSupported  (1 << 5)
133 #define OPA_CAP_MASK3_IsPassThroughSupported      (1 << 4)
134 #define OPA_CAP_MASK3_IsSharedSpaceSupported      (1 << 3)
135 /* reserved (1 << 2) */
136 #define OPA_CAP_MASK3_IsVLMarkerSupported         (1 << 1)
137 #define OPA_CAP_MASK3_IsVLrSupported              (1 << 0)
138
139 /**
140  * new MTU values
141  */
142 enum {
143         OPA_MTU_8192  = 6,
144         OPA_MTU_10240 = 7,
145 };
146
147 enum {
148         OPA_PORT_PHYS_CONF_DISCONNECTED = 0,
149         OPA_PORT_PHYS_CONF_STANDARD     = 1,
150         OPA_PORT_PHYS_CONF_FIXED        = 2,
151         OPA_PORT_PHYS_CONF_VARIABLE     = 3,
152         OPA_PORT_PHYS_CONF_SI_PHOTO     = 4
153 };
154
155 enum port_info_field_masks {
156         /* vl.cap */
157         OPA_PI_MASK_VL_CAP                        = 0x1F,
158         /* port_states.ledenable_offlinereason */
159         OPA_PI_MASK_OFFLINE_REASON                = 0x0F,
160         OPA_PI_MASK_LED_ENABLE                    = 0x40,
161         /* port_states.unsleepstate_downdefstate */
162         OPA_PI_MASK_UNSLEEP_STATE                 = 0xF0,
163         OPA_PI_MASK_DOWNDEF_STATE                 = 0x0F,
164         /* port_states.portphysstate_portstate */
165         OPA_PI_MASK_PORT_PHYSICAL_STATE           = 0xF0,
166         OPA_PI_MASK_PORT_STATE                    = 0x0F,
167         /* port_phys_conf */
168         OPA_PI_MASK_PORT_PHYSICAL_CONF            = 0x0F,
169         /* collectivemask_multicastmask */
170         OPA_PI_MASK_COLLECT_MASK                  = 0x38,
171         OPA_PI_MASK_MULTICAST_MASK                = 0x07,
172         /* mkeyprotect_lmc */
173         OPA_PI_MASK_MKEY_PROT_BIT                 = 0xC0,
174         OPA_PI_MASK_LMC                           = 0x0F,
175         /* smsl */
176         OPA_PI_MASK_SMSL                          = 0x1F,
177         /* partenforce_filterraw */
178         /* Filter Raw In/Out bits 1 and 2 were removed */
179         OPA_PI_MASK_LINKINIT_REASON               = 0xF0,
180         OPA_PI_MASK_PARTITION_ENFORCE_IN          = 0x08,
181         OPA_PI_MASK_PARTITION_ENFORCE_OUT         = 0x04,
182         /* operational_vls */
183         OPA_PI_MASK_OPERATIONAL_VL                = 0x1F,
184         /* sa_qp */
185         OPA_PI_MASK_SA_QP                         = 0x00FFFFFF,
186         /* sm_trap_qp */
187         OPA_PI_MASK_SM_TRAP_QP                    = 0x00FFFFFF,
188         /* localphy_overrun_errors */
189         OPA_PI_MASK_LOCAL_PHY_ERRORS              = 0xF0,
190         OPA_PI_MASK_OVERRUN_ERRORS                = 0x0F,
191         /* clientrereg_subnettimeout */
192         OPA_PI_MASK_CLIENT_REREGISTER             = 0x80,
193         OPA_PI_MASK_SUBNET_TIMEOUT                = 0x1F,
194         /* port_link_mode */
195         OPA_PI_MASK_PORT_LINK_SUPPORTED           = (0x001F << 10),
196         OPA_PI_MASK_PORT_LINK_ENABLED             = (0x001F <<  5),
197         OPA_PI_MASK_PORT_LINK_ACTIVE              = (0x001F <<  0),
198         /* port_link_crc_mode */
199         OPA_PI_MASK_PORT_LINK_CRC_SUPPORTED       = 0x0F00,
200         OPA_PI_MASK_PORT_LINK_CRC_ENABLED         = 0x00F0,
201         OPA_PI_MASK_PORT_LINK_CRC_ACTIVE          = 0x000F,
202         /* port_mode */
203         OPA_PI_MASK_PORT_MODE_SECURITY_CHECK      = 0x0001,
204         OPA_PI_MASK_PORT_MODE_16B_TRAP_QUERY      = 0x0002,
205         OPA_PI_MASK_PORT_MODE_PKEY_CONVERT        = 0x0004,
206         OPA_PI_MASK_PORT_MODE_SC2SC_MAPPING       = 0x0008,
207         OPA_PI_MASK_PORT_MODE_VL_MARKER           = 0x0010,
208         OPA_PI_MASK_PORT_PASS_THROUGH             = 0x0020,
209         OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE          = 0x0040,
210         /* flit_control.interleave */
211         OPA_PI_MASK_INTERLEAVE_DIST_SUP           = (0x0003 << 12),
212         OPA_PI_MASK_INTERLEAVE_DIST_ENABLE        = (0x0003 << 10),
213         OPA_PI_MASK_INTERLEAVE_MAX_NEST_TX        = (0x001F <<  5),
214         OPA_PI_MASK_INTERLEAVE_MAX_NEST_RX        = (0x001F <<  0),
215
216         /* port_error_action */
217         OPA_PI_MASK_EX_BUFFER_OVERRUN                  = 0x80000000,
218                 /* 7 bits reserved */
219         OPA_PI_MASK_FM_CFG_ERR_EXCEED_MULTICAST_LIMIT  = 0x00800000,
220         OPA_PI_MASK_FM_CFG_BAD_CONTROL_FLIT            = 0x00400000,
221         OPA_PI_MASK_FM_CFG_BAD_PREEMPT                 = 0x00200000,
222         OPA_PI_MASK_FM_CFG_UNSUPPORTED_VL_MARKER       = 0x00100000,
223         OPA_PI_MASK_FM_CFG_BAD_CRDT_ACK                = 0x00080000,
224         OPA_PI_MASK_FM_CFG_BAD_CTRL_DIST               = 0x00040000,
225         OPA_PI_MASK_FM_CFG_BAD_TAIL_DIST               = 0x00020000,
226         OPA_PI_MASK_FM_CFG_BAD_HEAD_DIST               = 0x00010000,
227                 /* 2 bits reserved */
228         OPA_PI_MASK_PORT_RCV_BAD_VL_MARKER             = 0x00002000,
229         OPA_PI_MASK_PORT_RCV_PREEMPT_VL15              = 0x00001000,
230         OPA_PI_MASK_PORT_RCV_PREEMPT_ERROR             = 0x00000800,
231                 /* 1 bit reserved */
232         OPA_PI_MASK_PORT_RCV_BAD_MidTail               = 0x00000200,
233                 /* 1 bit reserved */
234         OPA_PI_MASK_PORT_RCV_BAD_SC                    = 0x00000080,
235         OPA_PI_MASK_PORT_RCV_BAD_L2                    = 0x00000040,
236         OPA_PI_MASK_PORT_RCV_BAD_DLID                  = 0x00000020,
237         OPA_PI_MASK_PORT_RCV_BAD_SLID                  = 0x00000010,
238         OPA_PI_MASK_PORT_RCV_PKTLEN_TOOSHORT           = 0x00000008,
239         OPA_PI_MASK_PORT_RCV_PKTLEN_TOOLONG            = 0x00000004,
240         OPA_PI_MASK_PORT_RCV_BAD_PKTLEN                = 0x00000002,
241         OPA_PI_MASK_PORT_RCV_BAD_LT                    = 0x00000001,
242
243         /* pass_through.res_drctl */
244         OPA_PI_MASK_PASS_THROUGH_DR_CONTROL       = 0x01,
245
246         /* buffer_units */
247         OPA_PI_MASK_BUF_UNIT_VL15_INIT            = (0x00000FFF  << 11),
248         OPA_PI_MASK_BUF_UNIT_VL15_CREDIT_RATE     = (0x0000001F  <<  6),
249         OPA_PI_MASK_BUF_UNIT_CREDIT_ACK           = (0x00000003  <<  3),
250         OPA_PI_MASK_BUF_UNIT_BUF_ALLOC            = (0x00000003  <<  0),
251
252         /* neigh_mtu.pvlx_to_mtu */
253         OPA_PI_MASK_NEIGH_MTU_PVL0                = 0xF0,
254         OPA_PI_MASK_NEIGH_MTU_PVL1                = 0x0F,
255
256         /* neigh_mtu.vlstall_hoq_life */
257         OPA_PI_MASK_VL_STALL                      = (0x03 << 5),
258         OPA_PI_MASK_HOQ_LIFE                      = (0x1F << 0),
259
260         /* port_neigh_mode */
261         OPA_PI_MASK_NEIGH_MGMT_ALLOWED            = (0x01 << 3),
262         OPA_PI_MASK_NEIGH_FW_AUTH_BYPASS          = (0x01 << 2),
263         OPA_PI_MASK_NEIGH_NODE_TYPE               = (0x03 << 0),
264
265         /* resptime_value */
266         OPA_PI_MASK_RESPONSE_TIME_VALUE           = 0x1F,
267
268         /* mtucap */
269         OPA_PI_MASK_MTU_CAP                       = 0x0F,
270 };
271
272 struct opa_port_states {
273         u8     reserved;
274         u8     ledenable_offlinereason;   /* 1 res, 1 bit, 6 bits */
275         u8     reserved2;
276         u8     portphysstate_portstate;   /* 4 bits, 4 bits */
277 };
278
279 struct opa_port_state_info {
280         struct opa_port_states port_states;
281         __be16 link_width_downgrade_tx_active;
282         __be16 link_width_downgrade_rx_active;
283 };
284
285 struct opa_port_info {
286         __be32 lid;
287         __be32 flow_control_mask;
288
289         struct {
290                 u8     res;                       /* was inittype */
291                 u8     cap;                       /* 3 res, 5 bits */
292                 __be16 high_limit;
293                 __be16 preempt_limit;
294                 u8     arb_high_cap;
295                 u8     arb_low_cap;
296         } vl;
297
298         struct opa_port_states  port_states;
299         u8     port_phys_conf;                    /* 4 res, 4 bits */
300         u8     collectivemask_multicastmask;      /* 2 res, 3, 3 */
301         u8     mkeyprotect_lmc;                   /* 2 bits, 2 res, 4 bits */
302         u8     smsl;                              /* 3 res, 5 bits */
303
304         u8     partenforce_filterraw;             /* bit fields */
305         u8     operational_vls;                    /* 3 res, 5 bits */
306         __be16 pkey_8b;
307         __be16 pkey_10b;
308         __be16 mkey_violations;
309
310         __be16 pkey_violations;
311         __be16 qkey_violations;
312         __be32 sm_trap_qp;                        /* 8 bits, 24 bits */
313
314         __be32 sa_qp;                             /* 8 bits, 24 bits */
315         u8     neigh_port_num;
316         u8     link_down_reason;
317         u8     neigh_link_down_reason;
318         u8     clientrereg_subnettimeout;         /* 1 bit, 2 bits, 5 */
319
320         struct {
321                 __be16 supported;
322                 __be16 enabled;
323                 __be16 active;
324         } link_speed;
325         struct {
326                 __be16 supported;
327                 __be16 enabled;
328                 __be16 active;
329         } link_width;
330         struct {
331                 __be16 supported;
332                 __be16 enabled;
333                 __be16 tx_active;
334                 __be16 rx_active;
335         } link_width_downgrade;
336         __be16 port_link_mode;                  /* 1 res, 5 bits, 5 bits, 5 bits */
337         __be16 port_ltp_crc_mode;               /* 4 res, 4 bits, 4 bits, 4 bits */
338
339         __be16 port_mode;                       /* 9 res, bit fields */
340         struct {
341                 __be16 supported;
342                 __be16 enabled;
343         } port_packet_format;
344         struct {
345                 __be16 interleave;  /* 2 res, 2,2,5,5 */
346                 struct {
347                         __be16 min_initial;
348                         __be16 min_tail;
349                         u8     large_pkt_limit;
350                         u8     small_pkt_limit;
351                         u8     max_small_pkt_limit;
352                         u8     preemption_limit;
353                 } preemption;
354         } flit_control;
355
356         __be32 reserved4;
357         __be32 port_error_action; /* bit field */
358
359         struct {
360                 u8 egress_port;
361                 u8 res_drctl;                    /* 7 res, 1 */
362         } pass_through;
363         __be16 mkey_lease_period;
364         __be32 buffer_units;                     /* 9 res, 12, 5, 3, 3 */
365
366         __be32 reserved5;
367         __be32 sm_lid;
368
369         __be64 mkey;
370
371         __be64 subnet_prefix;
372
373         struct {
374                 u8 pvlx_to_mtu[OPA_MAX_VLS/2]; /* 4 bits, 4 bits */
375         } neigh_mtu;
376
377         struct {
378                 u8 vlstall_hoqlife;             /* 3 bits, 5 bits */
379         } xmit_q[OPA_MAX_VLS];
380
381         struct {
382                 u8 addr[16];
383         } ipaddr_ipv6;
384
385         struct {
386                 u8 addr[4];
387         } ipaddr_ipv4;
388
389         u32    reserved6;
390         u32    reserved7;
391         u32    reserved8;
392
393         __be64 neigh_node_guid;
394
395         __be32 ib_cap_mask;
396         __be16 reserved9;                    /* was ib_cap_mask2 */
397         __be16 opa_cap_mask;
398
399         __be32 reserved10;                   /* was link_roundtrip_latency */
400         __be16 overall_buffer_space;
401         __be16 reserved11;                   /* was max_credit_hint */
402
403         __be16 diag_code;
404         struct {
405                 u8 buffer;
406                 u8 wire;
407         } replay_depth;
408         u8     port_neigh_mode;
409         u8     mtucap;                          /* 4 res, 4 bits */
410
411         u8     resptimevalue;                   /* 3 res, 5 bits */
412         u8     local_port_num;
413         u8     reserved12;
414         u8     reserved13;                       /* was guid_cap */
415 } __attribute__ ((packed));
416
417 #endif /* OPA_PORT_INFO_H */