| /* |
| * 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; |
| u64 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 *)); |
| extern void qib_qsfp_deinit(struct qib_qsfp_data *qd); |
