]> git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blame - drivers/infiniband/hw/qib/qib_mad.h
UBUNTU: Ubuntu-5.15.0-39.42
[mirror_ubuntu-jammy-kernel.git] / drivers / infiniband / hw / qib / qib_mad.h
CommitLineData
f931551b 1/*
36a8f01c
MM
2 * Copyright (c) 2012 Intel Corporation. All rights reserved.
3 * Copyright (c) 2006 - 2012 QLogic Corporation. All rights reserved.
f931551b
RC
4 * Copyright (c) 2005, 2006 PathScale, Inc. 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 */
36a8f01c
MM
34#ifndef _QIB_MAD_H
35#define _QIB_MAD_H
f931551b 36
6aea213a
OG
37#include <rdma/ib_pma.h>
38
d4ab3470
DD
39#define IB_SMP_UNSUP_VERSION \
40cpu_to_be16(IB_MGMT_MAD_STATUS_BAD_VERSION)
f931551b 41
d4ab3470
DD
42#define IB_SMP_UNSUP_METHOD \
43cpu_to_be16(IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD)
f931551b 44
d4ab3470
DD
45#define IB_SMP_UNSUP_METH_ATTR \
46cpu_to_be16(IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD_ATTRIB)
f931551b 47
d4ab3470
DD
48#define IB_SMP_INVALID_FIELD \
49cpu_to_be16(IB_MGMT_MAD_STATUS_INVALID_ATTRIB_VALUE)
f931551b
RC
50
51#define IB_VLARB_LOWPRI_0_31 1
52#define IB_VLARB_LOWPRI_32_63 2
53#define IB_VLARB_HIGHPRI_0_31 3
54#define IB_VLARB_HIGHPRI_32_63 4
55
f931551b
RC
56#define IB_PMA_PORT_COUNTERS_CONG cpu_to_be16(0xFF00)
57
f931551b
RC
58struct ib_pma_portcounters_cong {
59 u8 reserved;
60 u8 reserved1;
61 __be16 port_check_rate;
62 __be16 symbol_error_counter;
63 u8 link_error_recovery_counter;
64 u8 link_downed_counter;
65 __be16 port_rcv_errors;
66 __be16 port_rcv_remphys_errors;
67 __be16 port_rcv_switch_relay_errors;
68 __be16 port_xmit_discards;
69 u8 port_xmit_constraint_errors;
70 u8 port_rcv_constraint_errors;
71 u8 reserved2;
6aea213a 72 u8 link_overrun_errors; /* LocalLink: 7:4, BufferOverrun: 3:0 */
f931551b
RC
73 __be16 reserved3;
74 __be16 vl15_dropped;
75 __be64 port_xmit_data;
76 __be64 port_rcv_data;
77 __be64 port_xmit_packets;
78 __be64 port_rcv_packets;
79 __be64 port_xmit_wait;
80 __be64 port_adr_events;
78a58864 81} __packed;
f931551b
RC
82
83#define IB_PMA_CONG_HW_CONTROL_TIMER 0x00
84#define IB_PMA_CONG_HW_CONTROL_SAMPLE 0x01
85
86#define QIB_XMIT_RATE_UNSUPPORTED 0x0
87#define QIB_XMIT_RATE_PICO 0x7
88/* number of 4nsec cycles equaling 2secs */
89#define QIB_CONG_TIMER_PSINTERVAL 0x1DCD64EC
90
f931551b
RC
91#define IB_PMA_SEL_CONG_ALL 0x01
92#define IB_PMA_SEL_CONG_PORT_DATA 0x02
93#define IB_PMA_SEL_CONG_XMIT 0x04
94#define IB_PMA_SEL_CONG_ROUTING 0x08
95
36a8f01c
MM
96/*
97 * Congestion control class attributes
98 */
99#define IB_CC_ATTR_CLASSPORTINFO cpu_to_be16(0x0001)
100#define IB_CC_ATTR_NOTICE cpu_to_be16(0x0002)
101#define IB_CC_ATTR_CONGESTION_INFO cpu_to_be16(0x0011)
102#define IB_CC_ATTR_CONGESTION_KEY_INFO cpu_to_be16(0x0012)
103#define IB_CC_ATTR_CONGESTION_LOG cpu_to_be16(0x0013)
104#define IB_CC_ATTR_SWITCH_CONGESTION_SETTING cpu_to_be16(0x0014)
105#define IB_CC_ATTR_SWITCH_PORT_CONGESTION_SETTING cpu_to_be16(0x0015)
106#define IB_CC_ATTR_CA_CONGESTION_SETTING cpu_to_be16(0x0016)
107#define IB_CC_ATTR_CONGESTION_CONTROL_TABLE cpu_to_be16(0x0017)
108#define IB_CC_ATTR_TIME_STAMP cpu_to_be16(0x0018)
109
110/* generalizations for threshold values */
111#define IB_CC_THRESHOLD_NONE 0x0
112#define IB_CC_THRESHOLD_MIN 0x1
113#define IB_CC_THRESHOLD_MAX 0xf
114
115/* CCA MAD header constants */
116#define IB_CC_MAD_LOGDATA_LEN 32
117#define IB_CC_MAD_MGMTDATA_LEN 192
118
119struct ib_cc_mad {
120 u8 base_version;
121 u8 mgmt_class;
122 u8 class_version;
123 u8 method;
124 __be16 status;
125 __be16 class_specific;
126 __be64 tid;
127 __be16 attr_id;
128 __be16 resv;
129 __be32 attr_mod;
130 __be64 cckey;
131
132 /* For CongestionLog attribute only */
133 u8 log_data[IB_CC_MAD_LOGDATA_LEN];
134
135 u8 mgmt_data[IB_CC_MAD_MGMTDATA_LEN];
136} __packed;
137
138/*
139 * Congestion Control class portinfo capability mask bits
140 */
141#define IB_CC_CPI_CM_TRAP_GEN cpu_to_be16(1 << 0)
142#define IB_CC_CPI_CM_GET_SET_NOTICE cpu_to_be16(1 << 1)
143#define IB_CC_CPI_CM_CAP2 cpu_to_be16(1 << 2)
144#define IB_CC_CPI_CM_ENHANCEDPORT0_CC cpu_to_be16(1 << 8)
145
146struct ib_cc_classportinfo_attr {
147 u8 base_version;
148 u8 class_version;
149 __be16 cap_mask;
150 u8 reserved[3];
151 u8 resp_time_value; /* only lower 5 bits */
152 union ib_gid redirect_gid;
153 __be32 redirect_tc_sl_fl; /* 8, 4, 20 bits respectively */
154 __be16 redirect_lid;
155 __be16 redirect_pkey;
156 __be32 redirect_qp; /* only lower 24 bits */
157 __be32 redirect_qkey;
158 union ib_gid trap_gid;
159 __be32 trap_tc_sl_fl; /* 8, 4, 20 bits respectively */
160 __be16 trap_lid;
161 __be16 trap_pkey;
162 __be32 trap_hl_qp; /* 8, 24 bits respectively */
163 __be32 trap_qkey;
164} __packed;
165
166/* Congestion control traps */
167#define IB_CC_TRAP_KEY_VIOLATION 0x0000
168
169struct ib_cc_trap_key_violation_attr {
170 __be16 source_lid;
171 u8 method;
172 u8 reserved1;
173 __be16 attrib_id;
174 __be32 attrib_mod;
175 __be32 qp;
176 __be64 cckey;
177 u8 sgid[16];
178 u8 padding[24];
179} __packed;
180
181/* Congestion info flags */
182#define IB_CC_CI_FLAGS_CREDIT_STARVATION 0x1
183#define IB_CC_TABLE_CAP_DEFAULT 31
184
185struct ib_cc_info_attr {
186 __be16 congestion_info;
187 u8 control_table_cap; /* Multiple of 64 entry unit CCTs */
188} __packed;
189
190struct ib_cc_key_info_attr {
191 __be64 cckey;
192 u8 protect;
193 __be16 lease_period;
194 __be16 violations;
195} __packed;
196
197#define IB_CC_CL_CA_LOGEVENTS_LEN 208
198
199struct ib_cc_log_attr {
200 u8 log_type;
201 u8 congestion_flags;
202 __be16 threshold_event_counter;
203 __be16 threshold_congestion_event_map;
204 __be16 current_time_stamp;
205 u8 log_events[IB_CC_CL_CA_LOGEVENTS_LEN];
206} __packed;
207
208#define IB_CC_CLEC_SERVICETYPE_RC 0x0
209#define IB_CC_CLEC_SERVICETYPE_UC 0x1
210#define IB_CC_CLEC_SERVICETYPE_RD 0x2
211#define IB_CC_CLEC_SERVICETYPE_UD 0x3
212
213struct ib_cc_log_event {
214 u8 local_qp_cn_entry;
215 u8 remote_qp_number_cn_entry[3];
216 u8 sl_cn_entry:4;
217 u8 service_type_cn_entry:4;
218 __be32 remote_lid_cn_entry;
219 __be32 timestamp_cn_entry;
220} __packed;
221
222/* Sixteen congestion entries */
223#define IB_CC_CCS_ENTRIES 16
224
225/* Port control flags */
226#define IB_CC_CCS_PC_SL_BASED 0x01
227
228struct ib_cc_congestion_entry {
229 u8 ccti_increase;
230 __be16 ccti_timer;
231 u8 trigger_threshold;
232 u8 ccti_min; /* min CCTI for cc table */
233} __packed;
234
235struct ib_cc_congestion_entry_shadow {
236 u8 ccti_increase;
237 u16 ccti_timer;
238 u8 trigger_threshold;
239 u8 ccti_min; /* min CCTI for cc table */
240} __packed;
241
242struct ib_cc_congestion_setting_attr {
243 __be16 port_control;
244 __be16 control_map;
245 struct ib_cc_congestion_entry entries[IB_CC_CCS_ENTRIES];
246} __packed;
247
248struct ib_cc_congestion_setting_attr_shadow {
249 u16 port_control;
250 u16 control_map;
251 struct ib_cc_congestion_entry_shadow entries[IB_CC_CCS_ENTRIES];
252} __packed;
253
254#define IB_CC_TABLE_ENTRY_INCREASE_DEFAULT 1
255#define IB_CC_TABLE_ENTRY_TIMER_DEFAULT 1
256
257/* 64 Congestion Control table entries in a single MAD */
258#define IB_CCT_ENTRIES 64
259#define IB_CCT_MIN_ENTRIES (IB_CCT_ENTRIES * 2)
260
261struct ib_cc_table_entry {
262 __be16 entry; /* shift:2, multiplier:14 */
263};
264
265struct ib_cc_table_entry_shadow {
266 u16 entry; /* shift:2, multiplier:14 */
267};
268
269struct ib_cc_table_attr {
270 __be16 ccti_limit; /* max CCTI for cc table */
271 struct ib_cc_table_entry ccti_entries[IB_CCT_ENTRIES];
272} __packed;
273
274struct ib_cc_table_attr_shadow {
275 u16 ccti_limit; /* max CCTI for cc table */
276 struct ib_cc_table_entry_shadow ccti_entries[IB_CCT_ENTRIES];
277} __packed;
278
279#define CC_TABLE_SHADOW_MAX \
280 (IB_CC_TABLE_CAP_DEFAULT * IB_CCT_ENTRIES)
281
282struct cc_table_shadow {
283 u16 ccti_last_entry;
284 struct ib_cc_table_entry_shadow entries[CC_TABLE_SHADOW_MAX];
285} __packed;
286
f931551b
RC
287/*
288 * The PortSamplesControl.CounterMasks field is an array of 3 bit fields
289 * which specify the N'th counter's capabilities. See ch. 16.1.3.2.
290 * We support 5 counters which only count the mandatory quantities.
291 */
292#define COUNTER_MASK(q, n) (q << ((9 - n) * 3))
293#define COUNTER_MASK0_9 \
294 cpu_to_be32(COUNTER_MASK(1, 0) | \
295 COUNTER_MASK(1, 1) | \
296 COUNTER_MASK(1, 2) | \
297 COUNTER_MASK(1, 3) | \
298 COUNTER_MASK(1, 4))
0318f685
IW
299
300#endif /* _QIB_MAD_H */