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1/*
2 * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
3 * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
4 *
5 * This software is available to you under a choice of one of two
6 * licenses. You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
10 *
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
13 * conditions are met:
14 *
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer.
18 *
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 */
33/* QSFP support common definitions, for ib_qib driver */
34
35#define QSFP_DEV 0xA0
36#define QSFP_PWR_LAG_MSEC 2000
37#define QSFP_MODPRS_LAG_MSEC 20
38
39/*
40 * Below are masks for various QSFP signals, for Port 1.
41 * Port2 equivalents are shifted by QSFP_GPIO_PORT2_SHIFT.
42 * _N means asserted low
43 */
44#define QSFP_GPIO_MOD_SEL_N (4)
45#define QSFP_GPIO_MOD_PRS_N (8)
46#define QSFP_GPIO_INT_N (0x10)
47#define QSFP_GPIO_MOD_RST_N (0x20)
48#define QSFP_GPIO_LP_MODE (0x40)
49#define QSFP_GPIO_PORT2_SHIFT 5
50
51#define QSFP_PAGESIZE 128
52/* Defined fields that QLogic requires of qualified cables */
53/* Byte 0 is Identifier, not checked */
54/* Byte 1 is reserved "status MSB" */
55/* Byte 2 is "status LSB" We only care that D2 "Flat Mem" is set. */
56/*
57 * Rest of first 128 not used, although 127 is reserved for page select
58 * if module is not "Flat memory".
59 */
60/* Byte 128 is Identifier: must be 0x0c for QSFP, or 0x0d for QSFP+ */
61#define QSFP_MOD_ID_OFFS 128
62/*
63 * Byte 129 is "Extended Identifier". We only care about D7,D6: Power class
64 * 0:1.5W, 1:2.0W, 2:2.5W, 3:3.5W
65 */
66#define QSFP_MOD_PWR_OFFS 129
67/* Byte 130 is Connector type. Not QLogic req'd */
68/* Bytes 131..138 are Transceiver types, bit maps for various tech, none IB */
69/* Byte 139 is encoding. code 0x01 is 8b10b. Not QLogic req'd */
70/* byte 140 is nominal bit-rate, in units of 100Mbits/sec Not QLogic req'd */
71/* Byte 141 is Extended Rate Select. Not QLogic req'd */
72/* Bytes 142..145 are lengths for various fiber types. Not QLogic req'd */
73/* Byte 146 is length for Copper. Units of 1 meter */
74#define QSFP_MOD_LEN_OFFS 146
75/*
76 * Byte 147 is Device technology. D0..3 not Qlogc req'd
77 * D4..7 select from 15 choices, translated by table:
78 */
79#define QSFP_MOD_TECH_OFFS 147
80extern const char *const qib_qsfp_devtech[16];
81/* Active Equalization includes fiber, copper full EQ, and copper near Eq */
82#define QSFP_IS_ACTIVE(tech) ((0xA2FF >> ((tech) >> 4)) & 1)
83/* Active Equalization includes fiber, copper full EQ, and copper far Eq */
84#define QSFP_IS_ACTIVE_FAR(tech) ((0x32FF >> ((tech) >> 4)) & 1)
85/* Attenuation should be valid for copper other than full/near Eq */
86#define QSFP_HAS_ATTEN(tech) ((0x4D00 >> ((tech) >> 4)) & 1)
87/* Length is only valid if technology is "copper" */
88#define QSFP_IS_CU(tech) ((0xED00 >> ((tech) >> 4)) & 1)
89#define QSFP_TECH_1490 9
90
91#define QSFP_OUI(oui) (((unsigned)oui[0] << 16) | ((unsigned)oui[1] << 8) | \
92 oui[2])
93#define QSFP_OUI_AMPHENOL 0x415048
94#define QSFP_OUI_FINISAR 0x009065
95#define QSFP_OUI_GORE 0x002177
96
97/* Bytes 148..163 are Vendor Name, Left-justified Blank-filled */
98#define QSFP_VEND_OFFS 148
99#define QSFP_VEND_LEN 16
100/* Byte 164 is IB Extended tranceiver codes Bits D0..3 are SDR,DDR,QDR,EDR */
101#define QSFP_IBXCV_OFFS 164
102/* Bytes 165..167 are Vendor OUI number */
103#define QSFP_VOUI_OFFS 165
104#define QSFP_VOUI_LEN 3
105/* Bytes 168..183 are Vendor Part Number, string */
106#define QSFP_PN_OFFS 168
107#define QSFP_PN_LEN 16
108/* Bytes 184,185 are Vendor Rev. Left Justified, Blank-filled */
109#define QSFP_REV_OFFS 184
110#define QSFP_REV_LEN 2
111/*
112 * Bytes 186,187 are Wavelength, if Optical. Not Qlogic req'd
113 * If copper, they are attenuation in dB:
114 * Byte 186 is at 2.5Gb/sec (SDR), Byte 187 at 5.0Gb/sec (DDR)
115 */
116#define QSFP_ATTEN_OFFS 186
117#define QSFP_ATTEN_LEN 2
118/* Bytes 188,189 are Wavelength tolerance, not QLogic req'd */
119/* Byte 190 is Max Case Temp. Not QLogic req'd */
120/* Byte 191 is LSB of sum of bytes 128..190. Not QLogic req'd */
121#define QSFP_CC_OFFS 191
122/* Bytes 192..195 are Options implemented in qsfp. Not Qlogic req'd */
123/* Bytes 196..211 are Serial Number, String */
124#define QSFP_SN_OFFS 196
125#define QSFP_SN_LEN 16
126/* Bytes 212..219 are date-code YYMMDD (MM==1 for Jan) */
127#define QSFP_DATE_OFFS 212
128#define QSFP_DATE_LEN 6
129/* Bytes 218,219 are optional lot-code, string */
130#define QSFP_LOT_OFFS 218
131#define QSFP_LOT_LEN 2
132/* Bytes 220, 221 indicate monitoring options, Not QLogic req'd */
133/* Byte 223 is LSB of sum of bytes 192..222 */
134#define QSFP_CC_EXT_OFFS 223
135
136/*
137 * struct qib_qsfp_data encapsulates state of QSFP device for one port.
138 * it will be part of port-chip-specific data if a board supports QSFP.
139 *
140 * Since multiple board-types use QSFP, and their pport_data structs
141 * differ (in the chip-specific section), we need a pointer to its head.
142 *
143 * Avoiding premature optimization, we will have one work_struct per port,
144 * and let the (increasingly inaccurately named) eep_lock arbitrate
145 * access to common resources.
146 *
147 */
148
149/*
150 * Hold the parts of the onboard EEPROM that we care about, so we aren't
151 * coonstantly bit-boffing
152 */
153struct qib_qsfp_cache {
154 u8 id; /* must be 0x0C or 0x0D; 0 indicates invalid EEPROM read */
155 u8 pwr; /* in D6,7 */
156 u8 len; /* in meters, Cu only */
157 u8 tech;
158 char vendor[QSFP_VEND_LEN];
159 u8 xt_xcv; /* Ext. tranceiver codes, 4 lsbs are IB speed supported */
160 u8 oui[QSFP_VOUI_LEN];
161 u8 partnum[QSFP_PN_LEN];
162 u8 rev[QSFP_REV_LEN];
163 u8 atten[QSFP_ATTEN_LEN];
164 u8 cks1; /* Checksum of bytes 128..190 */
165 u8 serial[QSFP_SN_LEN];
166 u8 date[QSFP_DATE_LEN];
167 u8 lot[QSFP_LOT_LEN];
168 u8 cks2; /* Checsum of bytes 192..222 */
169};
170
171#define QSFP_PWR(pbyte) (((pbyte) >> 6) & 3)
172#define QSFP_ATTEN_SDR(attenarray) (attenarray[0])
173#define QSFP_ATTEN_DDR(attenarray) (attenarray[1])
174
175struct qib_qsfp_data {
176 /* Helps to find our way */
177 struct qib_pportdata *ppd;
178 struct work_struct work;
179 struct qib_qsfp_cache cache;
180 unsigned long t_insert;
181 u8 modpresent;
182};
183
184extern int qib_refresh_qsfp_cache(struct qib_pportdata *ppd,
185 struct qib_qsfp_cache *cp);
186extern int qib_qsfp_mod_present(struct qib_pportdata *ppd);
187extern void qib_qsfp_init(struct qib_qsfp_data *qd,
188 void (*fevent)(struct work_struct *));
1/*
2 * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
3 * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
4 *
5 * This software is available to you under a choice of one of two
6 * licenses. You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
10 *
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
13 * conditions are met:
14 *
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer.
18 *
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 */
33/* QSFP support common definitions, for ib_qib driver */
34
35#define QSFP_DEV 0xA0
36#define QSFP_PWR_LAG_MSEC 2000
37#define QSFP_MODPRS_LAG_MSEC 20
38
39/*
40 * Below are masks for various QSFP signals, for Port 1.
41 * Port2 equivalents are shifted by QSFP_GPIO_PORT2_SHIFT.
42 * _N means asserted low
43 */
44#define QSFP_GPIO_MOD_SEL_N (4)
45#define QSFP_GPIO_MOD_PRS_N (8)
46#define QSFP_GPIO_INT_N (0x10)
47#define QSFP_GPIO_MOD_RST_N (0x20)
48#define QSFP_GPIO_LP_MODE (0x40)
49#define QSFP_GPIO_PORT2_SHIFT 5
50
51#define QSFP_PAGESIZE 128
52/* Defined fields that QLogic requires of qualified cables */
53/* Byte 0 is Identifier, not checked */
54/* Byte 1 is reserved "status MSB" */
55/* Byte 2 is "status LSB" We only care that D2 "Flat Mem" is set. */
56/*
57 * Rest of first 128 not used, although 127 is reserved for page select
58 * if module is not "Flat memory".
59 */
60/* Byte 128 is Identifier: must be 0x0c for QSFP, or 0x0d for QSFP+ */
61#define QSFP_MOD_ID_OFFS 128
62/*
63 * Byte 129 is "Extended Identifier". We only care about D7,D6: Power class
64 * 0:1.5W, 1:2.0W, 2:2.5W, 3:3.5W
65 */
66#define QSFP_MOD_PWR_OFFS 129
67/* Byte 130 is Connector type. Not QLogic req'd */
68/* Bytes 131..138 are Transceiver types, bit maps for various tech, none IB */
69/* Byte 139 is encoding. code 0x01 is 8b10b. Not QLogic req'd */
70/* byte 140 is nominal bit-rate, in units of 100Mbits/sec Not QLogic req'd */
71/* Byte 141 is Extended Rate Select. Not QLogic req'd */
72/* Bytes 142..145 are lengths for various fiber types. Not QLogic req'd */
73/* Byte 146 is length for Copper. Units of 1 meter */
74#define QSFP_MOD_LEN_OFFS 146
75/*
76 * Byte 147 is Device technology. D0..3 not Qlogc req'd
77 * D4..7 select from 15 choices, translated by table:
78 */
79#define QSFP_MOD_TECH_OFFS 147
80extern const char *const qib_qsfp_devtech[16];
81/* Active Equalization includes fiber, copper full EQ, and copper near Eq */
82#define QSFP_IS_ACTIVE(tech) ((0xA2FF >> ((tech) >> 4)) & 1)
83/* Active Equalization includes fiber, copper full EQ, and copper far Eq */
84#define QSFP_IS_ACTIVE_FAR(tech) ((0x32FF >> ((tech) >> 4)) & 1)
85/* Attenuation should be valid for copper other than full/near Eq */
86#define QSFP_HAS_ATTEN(tech) ((0x4D00 >> ((tech) >> 4)) & 1)
87/* Length is only valid if technology is "copper" */
88#define QSFP_IS_CU(tech) ((0xED00 >> ((tech) >> 4)) & 1)
89#define QSFP_TECH_1490 9
90
91#define QSFP_OUI(oui) (((unsigned)oui[0] << 16) | ((unsigned)oui[1] << 8) | \
92 oui[2])
93#define QSFP_OUI_AMPHENOL 0x415048
94#define QSFP_OUI_FINISAR 0x009065
95#define QSFP_OUI_GORE 0x002177
96
97/* Bytes 148..163 are Vendor Name, Left-justified Blank-filled */
98#define QSFP_VEND_OFFS 148
99#define QSFP_VEND_LEN 16
100/* Byte 164 is IB Extended tranceiver codes Bits D0..3 are SDR,DDR,QDR,EDR */
101#define QSFP_IBXCV_OFFS 164
102/* Bytes 165..167 are Vendor OUI number */
103#define QSFP_VOUI_OFFS 165
104#define QSFP_VOUI_LEN 3
105/* Bytes 168..183 are Vendor Part Number, string */
106#define QSFP_PN_OFFS 168
107#define QSFP_PN_LEN 16
108/* Bytes 184,185 are Vendor Rev. Left Justified, Blank-filled */
109#define QSFP_REV_OFFS 184
110#define QSFP_REV_LEN 2
111/*
112 * Bytes 186,187 are Wavelength, if Optical. Not Qlogic req'd
113 * If copper, they are attenuation in dB:
114 * Byte 186 is at 2.5Gb/sec (SDR), Byte 187 at 5.0Gb/sec (DDR)
115 */
116#define QSFP_ATTEN_OFFS 186
117#define QSFP_ATTEN_LEN 2
118/* Bytes 188,189 are Wavelength tolerance, not QLogic req'd */
119/* Byte 190 is Max Case Temp. Not QLogic req'd */
120/* Byte 191 is LSB of sum of bytes 128..190. Not QLogic req'd */
121#define QSFP_CC_OFFS 191
122/* Bytes 192..195 are Options implemented in qsfp. Not Qlogic req'd */
123/* Bytes 196..211 are Serial Number, String */
124#define QSFP_SN_OFFS 196
125#define QSFP_SN_LEN 16
126/* Bytes 212..219 are date-code YYMMDD (MM==1 for Jan) */
127#define QSFP_DATE_OFFS 212
128#define QSFP_DATE_LEN 6
129/* Bytes 218,219 are optional lot-code, string */
130#define QSFP_LOT_OFFS 218
131#define QSFP_LOT_LEN 2
132/* Bytes 220, 221 indicate monitoring options, Not QLogic req'd */
133/* Byte 223 is LSB of sum of bytes 192..222 */
134#define QSFP_CC_EXT_OFFS 223
135
136/*
137 * struct qib_qsfp_data encapsulates state of QSFP device for one port.
138 * it will be part of port-chip-specific data if a board supports QSFP.
139 *
140 * Since multiple board-types use QSFP, and their pport_data structs
141 * differ (in the chip-specific section), we need a pointer to its head.
142 *
143 * Avoiding premature optimization, we will have one work_struct per port,
144 * and let the (increasingly inaccurately named) eep_lock arbitrate
145 * access to common resources.
146 *
147 */
148
149/*
150 * Hold the parts of the onboard EEPROM that we care about, so we aren't
151 * coonstantly bit-boffing
152 */
153struct qib_qsfp_cache {
154 u8 id; /* must be 0x0C or 0x0D; 0 indicates invalid EEPROM read */
155 u8 pwr; /* in D6,7 */
156 u8 len; /* in meters, Cu only */
157 u8 tech;
158 char vendor[QSFP_VEND_LEN];
159 u8 xt_xcv; /* Ext. tranceiver codes, 4 lsbs are IB speed supported */
160 u8 oui[QSFP_VOUI_LEN];
161 u8 partnum[QSFP_PN_LEN];
162 u8 rev[QSFP_REV_LEN];
163 u8 atten[QSFP_ATTEN_LEN];
164 u8 cks1; /* Checksum of bytes 128..190 */
165 u8 serial[QSFP_SN_LEN];
166 u8 date[QSFP_DATE_LEN];
167 u8 lot[QSFP_LOT_LEN];
168 u8 cks2; /* Checsum of bytes 192..222 */
169};
170
171#define QSFP_PWR(pbyte) (((pbyte) >> 6) & 3)
172#define QSFP_ATTEN_SDR(attenarray) (attenarray[0])
173#define QSFP_ATTEN_DDR(attenarray) (attenarray[1])
174
175struct qib_qsfp_data {
176 /* Helps to find our way */
177 struct qib_pportdata *ppd;
178 struct work_struct work;
179 struct qib_qsfp_cache cache;
180 unsigned long t_insert;
181 u8 modpresent;
182};
183
184extern int qib_refresh_qsfp_cache(struct qib_pportdata *ppd,
185 struct qib_qsfp_cache *cp);
186extern int qib_qsfp_mod_present(struct qib_pportdata *ppd);
187extern void qib_qsfp_init(struct qib_qsfp_data *qd,
188 void (*fevent)(struct work_struct *));