/* * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved. * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ /* QSFP support common definitions, for ib_qib driver */ #define QSFP_DEV 0xA0 #define QSFP_PWR_LAG_MSEC 2000 #define QSFP_MODPRS_LAG_MSEC 20 /* * Below are masks for various QSFP signals, for Port 1. * Port2 equivalents are shifted by QSFP_GPIO_PORT2_SHIFT. * _N means asserted low */ #define QSFP_GPIO_MOD_SEL_N (4) #define QSFP_GPIO_MOD_PRS_N (8) #define QSFP_GPIO_INT_N (0x10) #define QSFP_GPIO_MOD_RST_N (0x20) #define QSFP_GPIO_LP_MODE (0x40) #define QSFP_GPIO_PORT2_SHIFT 5 #define QSFP_PAGESIZE 128 /* Defined fields that QLogic requires of qualified cables */ /* Byte 0 is Identifier, not checked */ /* Byte 1 is reserved "status MSB" */ /* Byte 2 is "status LSB" We only care that D2 "Flat Mem" is set. */ /* * Rest of first 128 not used, although 127 is reserved for page select * if module is not "Flat memory". */ /* Byte 128 is Identifier: must be 0x0c for QSFP, or 0x0d for QSFP+ */ #define QSFP_MOD_ID_OFFS 128 /* * Byte 129 is "Extended Identifier". We only care about D7,D6: Power class * 0:1.5W, 1:2.0W, 2:2.5W, 3:3.5W */ #define QSFP_MOD_PWR_OFFS 129 /* Byte 130 is Connector type. Not QLogic req'd */ /* Bytes 131..138 are Transceiver types, bit maps for various tech, none IB */ /* Byte 139 is encoding. code 0x01 is 8b10b. Not QLogic req'd */ /* byte 140 is nominal bit-rate, in units of 100Mbits/sec Not QLogic req'd */ /* Byte 141 is Extended Rate Select. Not QLogic req'd */ /* Bytes 142..145 are lengths for various fiber types. Not QLogic req'd */ /* Byte 146 is length for Copper. Units of 1 meter */ #define QSFP_MOD_LEN_OFFS 146 /* * Byte 147 is Device technology. D0..3 not Qlogc req'd * D4..7 select from 15 choices, translated by table: */ #define QSFP_MOD_TECH_OFFS 147 extern const char *const qib_qsfp_devtech[16]; /* Active Equalization includes fiber, copper full EQ, and copper near Eq */ #define QSFP_IS_ACTIVE(tech) ((0xA2FF >> ((tech) >> 4)) & 1) /* Active Equalization includes fiber, copper full EQ, and copper far Eq */ #define QSFP_IS_ACTIVE_FAR(tech) ((0x32FF >> ((tech) >> 4)) & 1) /* Attenuation should be valid for copper other than full/near Eq */ #define QSFP_HAS_ATTEN(tech) ((0x4D00 >> ((tech) >> 4)) & 1) /* Length is only valid if technology is "copper" */ #define QSFP_IS_CU(tech) ((0xED00 >> ((tech) >> 4)) & 1) #define QSFP_TECH_1490 9 #define QSFP_OUI(oui) (((unsigned)oui[0] << 16) | ((unsigned)oui[1] << 8) | \ oui[2]) #define QSFP_OUI_AMPHENOL 0x415048 #define QSFP_OUI_FINISAR 0x009065 #define QSFP_OUI_GORE 0x002177 /* Bytes 148..163 are Vendor Name, Left-justified Blank-filled */ #define QSFP_VEND_OFFS 148 #define QSFP_VEND_LEN 16 /* Byte 164 is IB Extended tranceiver codes Bits D0..3 are SDR,DDR,QDR,EDR */ #define QSFP_IBXCV_OFFS 164 /* Bytes 165..167 are Vendor OUI number */ #define QSFP_VOUI_OFFS 165 #define QSFP_VOUI_LEN 3 /* Bytes 168..183 are Vendor Part Number, string */ #define QSFP_PN_OFFS 168 #define QSFP_PN_LEN 16 /* Bytes 184,185 are Vendor Rev. Left Justified, Blank-filled */ #define QSFP_REV_OFFS 184 #define QSFP_REV_LEN 2 /* * Bytes 186,187 are Wavelength, if Optical. Not Qlogic req'd * If copper, they are attenuation in dB: * Byte 186 is at 2.5Gb/sec (SDR), Byte 187 at 5.0Gb/sec (DDR) */ #define QSFP_ATTEN_OFFS 186 #define QSFP_ATTEN_LEN 2 /* Bytes 188,189 are Wavelength tolerance, not QLogic req'd */ /* Byte 190 is Max Case Temp. Not QLogic req'd */ /* Byte 191 is LSB of sum of bytes 128..190. Not QLogic req'd */ #define QSFP_CC_OFFS 191 /* Bytes 192..195 are Options implemented in qsfp. Not Qlogic req'd */ /* Bytes 196..211 are Serial Number, String */ #define QSFP_SN_OFFS 196 #define QSFP_SN_LEN 16 /* Bytes 212..219 are date-code YYMMDD (MM==1 for Jan) */ #define QSFP_DATE_OFFS 212 #define QSFP_DATE_LEN 6 /* Bytes 218,219 are optional lot-code, string */ #define QSFP_LOT_OFFS 218 #define QSFP_LOT_LEN 2 /* Bytes 220, 221 indicate monitoring options, Not QLogic req'd */ /* Byte 223 is LSB of sum of bytes 192..222 */ #define QSFP_CC_EXT_OFFS 223 /* * struct qib_qsfp_data encapsulates state of QSFP device for one port. * it will be part of port-chip-specific data if a board supports QSFP. * * Since multiple board-types use QSFP, and their pport_data structs * differ (in the chip-specific section), we need a pointer to its head. * * Avoiding premature optimization, we will have one work_struct per port, * and let the (increasingly inaccurately named) eep_lock arbitrate * access to common resources. * */ /* * Hold the parts of the onboard EEPROM that we care about, so we aren't * coonstantly bit-boffing */ struct qib_qsfp_cache { u8 id; /* must be 0x0C or 0x0D; 0 indicates invalid EEPROM read */ u8 pwr; /* in D6,7 */ u8 len; /* in meters, Cu only */ u8 tech; char vendor[QSFP_VEND_LEN]; u8 xt_xcv; /* Ext. tranceiver codes, 4 lsbs are IB speed supported */ u8 oui[QSFP_VOUI_LEN]; u8 partnum[QSFP_PN_LEN]; u8 rev[QSFP_REV_LEN]; u8 atten[QSFP_ATTEN_LEN]; u8 cks1; /* Checksum of bytes 128..190 */ u8 serial[QSFP_SN_LEN]; u8 date[QSFP_DATE_LEN]; u8 lot[QSFP_LOT_LEN]; u8 cks2; /* Checsum of bytes 192..222 */ }; #define QSFP_PWR(pbyte) (((pbyte) >> 6) & 3) #define QSFP_ATTEN_SDR(attenarray) (attenarray[0]) #define QSFP_ATTEN_DDR(attenarray) (attenarray[1]) struct qib_qsfp_data { /* Helps to find our way */ struct qib_pportdata *ppd; struct work_struct work; struct qib_qsfp_cache cache; unsigned long t_insert; u8 modpresent; }; extern int qib_refresh_qsfp_cache(struct qib_pportdata *ppd, struct qib_qsfp_cache *cp); extern int qib_qsfp_mod_present(struct qib_pportdata *ppd); extern void qib_qsfp_init(struct qib_qsfp_data *qd, void (*fevent)(struct work_struct *))