projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 13d19498 JS |
1 | /* |
| 2 | * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved. | |
| 3 | * | |
| 4 | * This program is free software; you can redistribute it and/or modify | |
| 5 | * it under the terms of the GNU Lesser General Public License as published by | |
| 6 | * the Free Software Foundation; either version 2.1 of the License, or | |
| 7 | * (at your option) any later version. | |
| 8 | * | |
| 9 | * This program is distributed in the hope that it will be useful, | |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | * GNU Lesser General Public License for more details. | |
| 13 | * | |
| 14 | * You should have received a copy of the GNU Lesser General Public License | |
| 15 | * along with this program; if not, write to the Free Software | |
| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 17 | */ | |
| 18 | ||
| 19 | #ifndef __GRU_H__ | |
| 20 | #define __GRU_H__ | |
| 21 | ||
| 22 | /* | |
| 23 | * GRU architectural definitions | |
| 24 | */ | |
| 25 | #define GRU_CACHE_LINE_BYTES 64 | |
| 26 | #define GRU_HANDLE_STRIDE 256 | |
| 27 | #define GRU_CB_BASE 0 | |
| 28 | #define GRU_DS_BASE 0x20000 | |
| 29 | ||
| 30 | /* | |
| 31 | * Size used to map GRU GSeg | |
| 32 | */ | |
| 923f7f69 | 33 | #if defined(CONFIG_IA64) |
| 13d19498 | 34 | #define GRU_GSEG_PAGESIZE (256 * 1024UL) |
| 923f7f69 | 35 | #elif defined(CONFIG_X86_64) |
| 13d19498 JS |
36 | #define GRU_GSEG_PAGESIZE (256 * 1024UL) /* ZZZ 2MB ??? */ |
| 37 | #else | |
| 38 | #error "Unsupported architecture" | |
| 39 | #endif | |
| 40 | ||
| 41 | /* | |
| 42 | * Structure for obtaining GRU resource information | |
| 43 | */ | |
| 44 | struct gru_chiplet_info { | |
| 45 | int node; | |
| 46 | int chiplet; | |
| 47 | int blade; | |
| 48 | int total_dsr_bytes; | |
| 49 | int total_cbr; | |
| 50 | int total_user_dsr_bytes; | |
| 51 | int total_user_cbr; | |
| 52 | int free_user_dsr_bytes; | |
| 53 | int free_user_cbr; | |
| 54 | }; | |
| 55 | ||
| 5958ab88 JS |
56 | /* |
| 57 | * Statictics kept for each context. | |
| 58 | */ | |
| 59 | struct gru_gseg_statistics { | |
| 60 | unsigned long fmm_tlbmiss; | |
| 61 | unsigned long upm_tlbmiss; | |
| 62 | unsigned long tlbdropin; | |
| 63 | unsigned long context_stolen; | |
| 64 | unsigned long reserved[10]; | |
| 65 | }; | |
| 66 | ||
| 13d19498 JS |
67 | /* Flags for GRU options on the gru_create_context() call */ |
| 68 | /* Select one of the follow 4 options to specify how TLB misses are handled */ | |
| 69 | #define GRU_OPT_MISS_DEFAULT 0x0000 /* Use default mode */ | |
| 70 | #define GRU_OPT_MISS_USER_POLL 0x0001 /* User will poll CB for faults */ | |
| 71 | #define GRU_OPT_MISS_FMM_INTR 0x0002 /* Send interrupt to cpu to | |
| 72 | handle fault */ | |
| 73 | #define GRU_OPT_MISS_FMM_POLL 0x0003 /* Use system polling thread */ | |
| 74 | #define GRU_OPT_MISS_MASK 0x0003 /* Mask for TLB MISS option */ | |
| 75 | ||
| 76 | ||
| 77 | ||
| 78 | #endif /* __GRU_H__ */ |