113d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner/* 213d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved. 313d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner * 413d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner * This program is free software; you can redistribute it and/or modify 513d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner * it under the terms of the GNU Lesser General Public License as published by 613d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner * the Free Software Foundation; either version 2.1 of the License, or 713d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner * (at your option) any later version. 813d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner * 913d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner * This program is distributed in the hope that it will be useful, 1013d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner * but WITHOUT ANY WARRANTY; without even the implied warranty of 1113d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1213d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner * GNU Lesser General Public License for more details. 1313d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner * 1413d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner * You should have received a copy of the GNU Lesser General Public License 1513d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner * along with this program; if not, write to the Free Software 1613d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 1713d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner */ 1813d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner 1913d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner#ifndef __GRU_H__ 2013d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner#define __GRU_H__ 2113d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner 2213d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner/* 2313d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner * GRU architectural definitions 2413d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner */ 2513d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner#define GRU_CACHE_LINE_BYTES 64 2613d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner#define GRU_HANDLE_STRIDE 256 2713d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner#define GRU_CB_BASE 0 2813d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner#define GRU_DS_BASE 0x20000 2913d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner 3013d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner/* 3113d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner * Size used to map GRU GSeg 3213d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner */ 33923f7f6970bd448b8e88b9e4be10fd01fc7106a4Jack Steiner#if defined(CONFIG_IA64) 3413d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner#define GRU_GSEG_PAGESIZE (256 * 1024UL) 35923f7f6970bd448b8e88b9e4be10fd01fc7106a4Jack Steiner#elif defined(CONFIG_X86_64) 3613d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner#define GRU_GSEG_PAGESIZE (256 * 1024UL) /* ZZZ 2MB ??? */ 3713d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner#else 3813d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner#error "Unsupported architecture" 3913d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner#endif 4013d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner 4113d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner/* 4213d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner * Structure for obtaining GRU resource information 4313d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner */ 4413d19498b0446cad2c394f9fbec8149b44a60c6eJack Steinerstruct gru_chiplet_info { 4513d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner int node; 4613d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner int chiplet; 4713d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner int blade; 4813d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner int total_dsr_bytes; 4913d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner int total_cbr; 5013d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner int total_user_dsr_bytes; 5113d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner int total_user_cbr; 5213d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner int free_user_dsr_bytes; 5313d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner int free_user_cbr; 5413d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner}; 5513d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner 565958ab88f721d312b531d17705fc3ed54102fa05Jack Steiner/* 575958ab88f721d312b531d17705fc3ed54102fa05Jack Steiner * Statictics kept for each context. 585958ab88f721d312b531d17705fc3ed54102fa05Jack Steiner */ 595958ab88f721d312b531d17705fc3ed54102fa05Jack Steinerstruct gru_gseg_statistics { 605958ab88f721d312b531d17705fc3ed54102fa05Jack Steiner unsigned long fmm_tlbmiss; 615958ab88f721d312b531d17705fc3ed54102fa05Jack Steiner unsigned long upm_tlbmiss; 625958ab88f721d312b531d17705fc3ed54102fa05Jack Steiner unsigned long tlbdropin; 635958ab88f721d312b531d17705fc3ed54102fa05Jack Steiner unsigned long context_stolen; 645958ab88f721d312b531d17705fc3ed54102fa05Jack Steiner unsigned long reserved[10]; 655958ab88f721d312b531d17705fc3ed54102fa05Jack Steiner}; 665958ab88f721d312b531d17705fc3ed54102fa05Jack Steiner 6713d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner/* Flags for GRU options on the gru_create_context() call */ 6813d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner/* Select one of the follow 4 options to specify how TLB misses are handled */ 6913d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner#define GRU_OPT_MISS_DEFAULT 0x0000 /* Use default mode */ 7013d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner#define GRU_OPT_MISS_USER_POLL 0x0001 /* User will poll CB for faults */ 7113d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner#define GRU_OPT_MISS_FMM_INTR 0x0002 /* Send interrupt to cpu to 7213d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner handle fault */ 7313d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner#define GRU_OPT_MISS_FMM_POLL 0x0003 /* Use system polling thread */ 7413d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner#define GRU_OPT_MISS_MASK 0x0003 /* Mask for TLB MISS option */ 7513d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner 7613d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner 7713d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner 7813d19498b0446cad2c394f9fbec8149b44a60c6eJack Steiner#endif /* __GRU_H__ */ 79