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authorIngo Molnar <mingo@elte.hu>2008-08-14 10:55:26 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-14 10:55:26 +0200
commitd4439087d316613548c70472291bf4ca646ce24b (patch)
tree4819f39cbbfcc2ed9c9f85c7a91cbf142f5b02d4 /drivers/misc/sgi-gru/gru.h
parent26d809af6397ce5c37f5c44d89734d19cce1ad25 (diff)
parent30a2f3c60a84092c8084dfe788b710f8d0768cd4 (diff)
Merge commit 'v2.6.27-rc3' into x86/xsave
Conflicts: arch/x86/kernel/genapic_64.c include/asm-x86/kvm_host.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/misc/sgi-gru/gru.h')
-rw-r--r--drivers/misc/sgi-gru/gru.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/misc/sgi-gru/gru.h b/drivers/misc/sgi-gru/gru.h
new file mode 100644
index 00000000000..40df7cb3f0a
--- /dev/null
+++ b/drivers/misc/sgi-gru/gru.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __GRU_H__
+#define __GRU_H__
+
+/*
+ * GRU architectural definitions
+ */
+#define GRU_CACHE_LINE_BYTES 64
+#define GRU_HANDLE_STRIDE 256
+#define GRU_CB_BASE 0
+#define GRU_DS_BASE 0x20000
+
+/*
+ * Size used to map GRU GSeg
+ */
+#if defined CONFIG_IA64
+#define GRU_GSEG_PAGESIZE (256 * 1024UL)
+#elif defined CONFIG_X86_64
+#define GRU_GSEG_PAGESIZE (256 * 1024UL) /* ZZZ 2MB ??? */
+#else
+#error "Unsupported architecture"
+#endif
+
+/*
+ * Structure for obtaining GRU resource information
+ */
+struct gru_chiplet_info {
+ int node;
+ int chiplet;
+ int blade;
+ int total_dsr_bytes;
+ int total_cbr;
+ int total_user_dsr_bytes;
+ int total_user_cbr;
+ int free_user_dsr_bytes;
+ int free_user_cbr;
+};
+
+/* Flags for GRU options on the gru_create_context() call */
+/* Select one of the follow 4 options to specify how TLB misses are handled */
+#define GRU_OPT_MISS_DEFAULT 0x0000 /* Use default mode */
+#define GRU_OPT_MISS_USER_POLL 0x0001 /* User will poll CB for faults */
+#define GRU_OPT_MISS_FMM_INTR 0x0002 /* Send interrupt to cpu to
+ handle fault */
+#define GRU_OPT_MISS_FMM_POLL 0x0003 /* Use system polling thread */
+#define GRU_OPT_MISS_MASK 0x0003 /* Mask for TLB MISS option */
+
+
+
+#endif /* __GRU_H__ */