From ed68a6054c6bfc417f3afbc0fae0a975e7c3bdcd Mon Sep 17 00:00:00 2001
From: Robert Richter <robert.richter@amd.com>
Date: Tue, 21 Sep 2010 15:58:32 +0200
Subject: [PATCH] --- yaml --- r: 218655 b: refs/heads/master c:
 4ac945f002c0bebdeb530cbc3729e22895e64a7e h: refs/heads/master i:   218653:
 196c158f11f93cca0417c492917f06eeeb774fd4   218651:
 f9a509d96d19e00566ff213494df5de37265a6e3   218647:
 01ea0a56be5e4ddea74c035a49943d622d4353b6   218639:
 9e358ef5e52491d7ed268e18ddfe261ab8db3a66   218623:
 b377a332f4e96139fd39d86fdd61c50c10e3704f v: v3

---
 [refs]                                 |  2 +-
 trunk/arch/x86/oprofile/op_model_amd.c | 59 +++++++++++++++++---------
 2 files changed, 39 insertions(+), 22 deletions(-)

diff --git a/[refs] b/[refs]
index 254b73a5b9a9..060ba0dba559 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e63414740e15b4e2dc54c63fb9ea501b257fb0b5
+refs/heads/master: 4ac945f002c0bebdeb530cbc3729e22895e64a7e
diff --git a/trunk/arch/x86/oprofile/op_model_amd.c b/trunk/arch/x86/oprofile/op_model_amd.c
index b67a6b5aa8d4..96852d5480e0 100644
--- a/trunk/arch/x86/oprofile/op_model_amd.c
+++ b/trunk/arch/x86/oprofile/op_model_amd.c
@@ -70,9 +70,22 @@ static u64 ibs_op_ctl;
  * Same bit mask as for IBS cpuid feature flags (Fn8000_001B_EAX), but
  * bit 0 is used to indicate the existence of IBS.
  */
-#define IBS_CAPS_AVAIL			(1LL<<0)
-#define IBS_CAPS_RDWROPCNT		(1LL<<3)
-#define IBS_CAPS_OPCNT			(1LL<<4)
+#define IBS_CAPS_AVAIL			(1U<<0)
+#define IBS_CAPS_FETCHSAM		(1U<<1)
+#define IBS_CAPS_OPSAM			(1U<<2)
+#define IBS_CAPS_RDWROPCNT		(1U<<3)
+#define IBS_CAPS_OPCNT			(1U<<4)
+
+#define IBS_CAPS_DEFAULT		(IBS_CAPS_AVAIL		\
+					 | IBS_CAPS_FETCHSAM	\
+					 | IBS_CAPS_OPSAM)
+
+/*
+ * IBS APIC setup
+ */
+#define IBSCTL				0x1cc
+#define IBSCTL_LVT_OFFSET_VALID		(1ULL<<8)
+#define IBSCTL_LVT_OFFSET_MASK		0x0F
 
 /*
  * IBS randomization macros
@@ -92,12 +105,12 @@ static u32 get_ibs_caps(void)
 	/* check IBS cpuid feature flags */
 	max_level = cpuid_eax(0x80000000);
 	if (max_level < IBS_CPUID_FEATURES)
-		return IBS_CAPS_AVAIL;
+		return IBS_CAPS_DEFAULT;
 
 	ibs_caps = cpuid_eax(IBS_CPUID_FEATURES);
 	if (!(ibs_caps & IBS_CAPS_AVAIL))
 		/* cpuid flags not valid */
-		return IBS_CAPS_AVAIL;
+		return IBS_CAPS_DEFAULT;
 
 	return ibs_caps;
 }
@@ -527,22 +540,26 @@ static int setup_ibs_files(struct super_block *sb, struct dentry *root)
 	ibs_config.op_enabled = 0;
 	ibs_config.dispatched_ops = 0;
 
-	dir = oprofilefs_mkdir(sb, root, "ibs_fetch");
-	oprofilefs_create_ulong(sb, dir, "enable",
-				&ibs_config.fetch_enabled);
-	oprofilefs_create_ulong(sb, dir, "max_count",
-				&ibs_config.max_cnt_fetch);
-	oprofilefs_create_ulong(sb, dir, "rand_enable",
-				&ibs_config.rand_en);
-
-	dir = oprofilefs_mkdir(sb, root, "ibs_op");
-	oprofilefs_create_ulong(sb, dir, "enable",
-				&ibs_config.op_enabled);
-	oprofilefs_create_ulong(sb, dir, "max_count",
-				&ibs_config.max_cnt_op);
-	if (ibs_caps & IBS_CAPS_OPCNT)
-		oprofilefs_create_ulong(sb, dir, "dispatched_ops",
-					&ibs_config.dispatched_ops);
+	if (ibs_caps & IBS_CAPS_FETCHSAM) {
+		dir = oprofilefs_mkdir(sb, root, "ibs_fetch");
+		oprofilefs_create_ulong(sb, dir, "enable",
+					&ibs_config.fetch_enabled);
+		oprofilefs_create_ulong(sb, dir, "max_count",
+					&ibs_config.max_cnt_fetch);
+		oprofilefs_create_ulong(sb, dir, "rand_enable",
+					&ibs_config.rand_en);
+	}
+
+	if (ibs_caps & IBS_CAPS_OPSAM) {
+		dir = oprofilefs_mkdir(sb, root, "ibs_op");
+		oprofilefs_create_ulong(sb, dir, "enable",
+					&ibs_config.op_enabled);
+		oprofilefs_create_ulong(sb, dir, "max_count",
+					&ibs_config.max_cnt_op);
+		if (ibs_caps & IBS_CAPS_OPCNT)
+			oprofilefs_create_ulong(sb, dir, "dispatched_ops",
+						&ibs_config.dispatched_ops);
+	}
 
 	return 0;
 }