1/*
2 * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation.
3 * All rights reserved.
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 */
34
35#if !defined(IB_PMA_H)
36#define IB_PMA_H
37
38#include <rdma/ib_mad.h>
39
40#define MAX_U32 0xffffffffULL
41#define MAX_U16 0xffffUL
42
43/* Counters should be saturate once they reach their maximum value */
44#define ASSIGN_32BIT_COUNTER(counter, value) do {	\
45	if ((value) > MAX_U32)				\
46		counter = cpu_to_be32(MAX_U32);		\
47	else						\
48		counter = cpu_to_be32(value);		\
49} while (0)
50
51/* Counters should be saturate once they reach their maximum value */
52#define ASSIGN_16BIT_COUNTER(counter, value) do {	\
53	if ((value) > MAX_U16)				\
54		counter = cpu_to_be16(MAX_U16);		\
55	else						\
56		counter = cpu_to_be16(value);		\
57} while (0)
58
59/*
60 * PMA class portinfo capability mask bits
61 */
62#define IB_PMA_CLASS_CAP_ALLPORTSELECT  cpu_to_be16(1 << 8)
63#define IB_PMA_CLASS_CAP_EXT_WIDTH      cpu_to_be16(1 << 9)
64#define IB_PMA_CLASS_CAP_XMIT_WAIT      cpu_to_be16(1 << 12)
65
66#define IB_PMA_CLASS_PORT_INFO          cpu_to_be16(0x0001)
67#define IB_PMA_PORT_SAMPLES_CONTROL     cpu_to_be16(0x0010)
68#define IB_PMA_PORT_SAMPLES_RESULT      cpu_to_be16(0x0011)
69#define IB_PMA_PORT_COUNTERS            cpu_to_be16(0x0012)
70#define IB_PMA_PORT_COUNTERS_EXT        cpu_to_be16(0x001D)
71#define IB_PMA_PORT_SAMPLES_RESULT_EXT  cpu_to_be16(0x001E)
72
73struct ib_pma_mad {
74	struct ib_mad_hdr mad_hdr;
75	u8 reserved[40];
76	u8 data[192];
77} __packed;
78
79struct ib_pma_portsamplescontrol {
80	u8 opcode;
81	u8 port_select;
82	u8 tick;
83	u8 counter_width;		/* resv: 7:3, counter width: 2:0 */
84	__be32 counter_mask0_9;		/* 2, 10 3-bit fields */
85	__be16 counter_mask10_14;	/* 1, 5 3-bit fields */
86	u8 sample_mechanisms;
87	u8 sample_status;		/* only lower 2 bits */
88	__be64 option_mask;
89	__be64 vendor_mask;
90	__be32 sample_start;
91	__be32 sample_interval;
92	__be16 tag;
93	__be16 counter_select[15];
94	__be32 reserved1;
95	__be64 samples_only_option_mask;
96	__be32 reserved2[28];
97};
98
99struct ib_pma_portsamplesresult {
100	__be16 tag;
101	__be16 sample_status;   /* only lower 2 bits */
102	__be32 counter[15];
103};
104
105struct ib_pma_portsamplesresult_ext {
106	__be16 tag;
107	__be16 sample_status;   /* only lower 2 bits */
108	__be32 extended_width;  /* only upper 2 bits */
109	__be64 counter[15];
110};
111
112struct ib_pma_portcounters {
113	u8 reserved;
114	u8 port_select;
115	__be16 counter_select;
116	__be16 symbol_error_counter;
117	u8 link_error_recovery_counter;
118	u8 link_downed_counter;
119	__be16 port_rcv_errors;
120	__be16 port_rcv_remphys_errors;
121	__be16 port_rcv_switch_relay_errors;
122	__be16 port_xmit_discards;
123	u8 port_xmit_constraint_errors;
124	u8 port_rcv_constraint_errors;
125	u8 reserved1;
126	u8 link_overrun_errors; /* LocalLink: 7:4, BufferOverrun: 3:0 */
127	__be16 reserved2;
128	__be16 vl15_dropped;
129	__be32 port_xmit_data;
130	__be32 port_rcv_data;
131	__be32 port_xmit_packets;
132	__be32 port_rcv_packets;
133	__be32 port_xmit_wait;
134} __packed;
135
136
137#define IB_PMA_SEL_SYMBOL_ERROR                 cpu_to_be16(0x0001)
138#define IB_PMA_SEL_LINK_ERROR_RECOVERY          cpu_to_be16(0x0002)
139#define IB_PMA_SEL_LINK_DOWNED                  cpu_to_be16(0x0004)
140#define IB_PMA_SEL_PORT_RCV_ERRORS              cpu_to_be16(0x0008)
141#define IB_PMA_SEL_PORT_RCV_REMPHYS_ERRORS      cpu_to_be16(0x0010)
142#define IB_PMA_SEL_PORT_XMIT_DISCARDS           cpu_to_be16(0x0040)
143#define IB_PMA_SEL_LOCAL_LINK_INTEGRITY_ERRORS  cpu_to_be16(0x0200)
144#define IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS    cpu_to_be16(0x0400)
145#define IB_PMA_SEL_PORT_VL15_DROPPED            cpu_to_be16(0x0800)
146#define IB_PMA_SEL_PORT_XMIT_DATA               cpu_to_be16(0x1000)
147#define IB_PMA_SEL_PORT_RCV_DATA                cpu_to_be16(0x2000)
148#define IB_PMA_SEL_PORT_XMIT_PACKETS            cpu_to_be16(0x4000)
149#define IB_PMA_SEL_PORT_RCV_PACKETS             cpu_to_be16(0x8000)
150
151struct ib_pma_portcounters_ext {
152	u8 reserved;
153	u8 port_select;
154	__be16 counter_select;
155	__be32 reserved1;
156	__be64 port_xmit_data;
157	__be64 port_rcv_data;
158	__be64 port_xmit_packets;
159	__be64 port_rcv_packets;
160	__be64 port_unicast_xmit_packets;
161	__be64 port_unicast_rcv_packets;
162	__be64 port_multicast_xmit_packets;
163	__be64 port_multicast_rcv_packets;
164} __packed;
165
166#define IB_PMA_SELX_PORT_XMIT_DATA              cpu_to_be16(0x0001)
167#define IB_PMA_SELX_PORT_RCV_DATA               cpu_to_be16(0x0002)
168#define IB_PMA_SELX_PORT_XMIT_PACKETS           cpu_to_be16(0x0004)
169#define IB_PMA_SELX_PORT_RCV_PACKETS            cpu_to_be16(0x0008)
170#define IB_PMA_SELX_PORT_UNI_XMIT_PACKETS       cpu_to_be16(0x0010)
171#define IB_PMA_SELX_PORT_UNI_RCV_PACKETS        cpu_to_be16(0x0020)
172#define IB_PMA_SELX_PORT_MULTI_XMIT_PACKETS     cpu_to_be16(0x0040)
173#define IB_PMA_SELX_PORT_MULTI_RCV_PACKETS      cpu_to_be16(0x0080)
174
175#endif /* IB_PMA_H */
176