2 * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved.
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.
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.
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
22 #include <asm/uv/uv.h>
25 * GRU architectural definitions
27 #define GRU_CACHE_LINE_BYTES 64
28 #define GRU_HANDLE_STRIDE 256
30 #define GRU_DS_BASE 0x20000
33 * Size used to map GRU GSeg
35 #if defined(CONFIG_IA64)
36 #define GRU_GSEG_PAGESIZE (256 * 1024UL)
37 #elif defined(CONFIG_X86_64)
38 #define GRU_GSEG_PAGESIZE (256 * 1024UL) /* ZZZ 2MB ??? */
40 #error "Unsupported architecture"
44 * Structure for obtaining GRU resource information
46 struct gru_chiplet_info {
52 int total_user_dsr_bytes;
54 int free_user_dsr_bytes;
58 /* Flags for GRU options on the gru_create_context() call */
59 /* Select one of the follow 4 options to specify how TLB misses are handled */
60 #define GRU_OPT_MISS_DEFAULT 0x0000 /* Use default mode */
61 #define GRU_OPT_MISS_USER_POLL 0x0001 /* User will poll CB for faults */
62 #define GRU_OPT_MISS_FMM_INTR 0x0002 /* Send interrupt to cpu to
64 #define GRU_OPT_MISS_FMM_POLL 0x0003 /* Use system polling thread */
65 #define GRU_OPT_MISS_MASK 0x0003 /* Mask for TLB MISS option */
69 #endif /* __GRU_H__ */