---

yaml
---
r: 373142
b: refs/heads/master
c: 210552c
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 03b28f8133165dbe4cd922054d599e26b8119508
+refs/heads/master: 210552c1bfe83122a480673660d5ca9821c944ae

trunk/Documentation/virtual/kvm/api.txt

@@ -2772,11 +2772,3 @@ Parameters: args[0] is the MPIC device fd
             args[1] is the MPIC CPU number for this vcpu
 
 This capability connects the vcpu to an in-kernel MPIC device.
-
-6.7 KVM_CAP_IRQ_XICS
-
-Architectures: ppc
-Parameters: args[0] is the XICS device fd
-            args[1] is the XICS CPU number (server ID) for this vcpu
-
-This capability connects the vcpu to an in-kernel XICS device.

trunk/Documentation/virtual/kvm/devices/mpic.txt

@@ -50,4 +50,7 @@ IRQ Routing:
   regard to any subdivisions in chip documentation such as "internal"
   or "external" interrupts.
 
+  Default routes are established for these pins, with the GSI being equal
+  to the pin number.
+
   Access to non-SRC interrupts is not implemented through IRQ routing mechanisms.

trunk/arch/arm/include/asm/kvm_host.h

@@ -207,4 +207,7 @@ static inline void __cpu_init_hyp_mode(unsigned long long pgd_ptr,
 	kvm_call_hyp((void *)pgd_low, pgd_high, hyp_stack_ptr, vector_ptr);
 }
 
+int kvm_perf_init(void);
+int kvm_perf_teardown(void);
+
 #endif /* __ARM_KVM_HOST_H__ */

trunk/arch/arm/kvm/Makefile

@@ -18,6 +18,6 @@ kvm-arm-y = $(addprefix ../../../virt/kvm/, kvm_main.o coalesced_mmio.o)
 
 obj-y += kvm-arm.o init.o interrupts.o
 obj-y += arm.o handle_exit.o guest.o mmu.o emulate.o reset.o
-obj-y += coproc.o coproc_a15.o mmio.o psci.o
+obj-y += coproc.o coproc_a15.o mmio.o psci.o perf.o
 obj-$(CONFIG_KVM_ARM_VGIC) += vgic.o
 obj-$(CONFIG_KVM_ARM_TIMER) += arch_timer.o

trunk/arch/arm/kvm/arm.c

@@ -920,7 +920,10 @@ static int init_hyp_mode(void)
 	if (err)
 		goto out_free_mappings;
 
+	kvm_perf_init();
+
 	kvm_info("Hyp mode initialized successfully\n");
+
 	return 0;
 out_free_vfp:
 	free_percpu(kvm_host_vfp_state);
@@ -964,6 +967,7 @@ int kvm_arch_init(void *opaque)
 /* NOP: Compiling as a module not supported */
 void kvm_arch_exit(void)
 {
+	kvm_perf_teardown();
 }
 
 static int arm_init(void)

trunk/arch/arm/kvm/perf.c

@@ -0,0 +1,68 @@
+/*
+ * Based on the x86 implementation.
+ *
+ * Copyright (C) 2012 ARM Ltd.
+ * Author: Marc Zyngier <marc.zyngier@arm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/perf_event.h>
+#include <linux/kvm_host.h>
+
+#include <asm/kvm_emulate.h>
+
+static int kvm_is_in_guest(void)
+{
+        return kvm_arm_get_running_vcpu() != NULL;
+}
+
+static int kvm_is_user_mode(void)
+{
+	struct kvm_vcpu *vcpu;
+
+	vcpu = kvm_arm_get_running_vcpu();
+
+	if (vcpu)
+		return !vcpu_mode_priv(vcpu);
+
+	return 0;
+}
+
+static unsigned long kvm_get_guest_ip(void)
+{
+	struct kvm_vcpu *vcpu;
+
+	vcpu = kvm_arm_get_running_vcpu();
+
+	if (vcpu)
+		return *vcpu_pc(vcpu);
+
+	return 0;
+}
+
+static struct perf_guest_info_callbacks kvm_guest_cbs = {
+	.is_in_guest	= kvm_is_in_guest,
+	.is_user_mode	= kvm_is_user_mode,
+	.get_guest_ip	= kvm_get_guest_ip,
+};
+
+int kvm_perf_init(void)
+{
+	return perf_register_guest_info_callbacks(&kvm_guest_cbs);
+}
+
+int kvm_perf_teardown(void)
+{
+	return perf_unregister_guest_info_callbacks(&kvm_guest_cbs);
+}

trunk/arch/ia64/kvm/kvm-ia64.c

@@ -204,11 +204,9 @@ int kvm_dev_ioctl_check_extension(long ext)
 	case KVM_CAP_COALESCED_MMIO:
 		r = KVM_COALESCED_MMIO_PAGE_OFFSET;
 		break;
-#ifdef CONFIG_KVM_DEVICE_ASSIGNMENT
 	case KVM_CAP_IOMMU:
 		r = iommu_present(&pci_bus_type);
 		break;
-#endif
 	default:
 		r = 0;
 	}

trunk/arch/powerpc/include/asm/kvm_ppc.h

@@ -315,8 +315,6 @@ extern int kvm_vm_ioctl_xics_irq(struct kvm *kvm, struct kvm_irq_level *args);
 extern int kvmppc_xics_hcall(struct kvm_vcpu *vcpu, u32 cmd);
 extern u64 kvmppc_xics_get_icp(struct kvm_vcpu *vcpu);
 extern int kvmppc_xics_set_icp(struct kvm_vcpu *vcpu, u64 icpval);
-extern int kvmppc_xics_connect_vcpu(struct kvm_device *dev,
-			struct kvm_vcpu *vcpu, u32 cpu);
 #else
 static inline int kvmppc_xics_enabled(struct kvm_vcpu *vcpu)
 	{ return 0; }

trunk/arch/powerpc/include/uapi/asm/kvm.h

@@ -499,16 +499,4 @@ struct kvm_get_htab_header {
 #define KVM_REG_PPC_TLB3PS	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x9a)
 #define KVM_REG_PPC_EPTCFG	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x9b)
 
-/* PPC64 eXternal Interrupt Controller Specification */
-#define KVM_DEV_XICS_GRP_SOURCES	1	/* 64-bit source attributes */
-
-/* Layout of 64-bit source attribute values */
-#define  KVM_XICS_DESTINATION_SHIFT	0
-#define  KVM_XICS_DESTINATION_MASK	0xffffffffULL
-#define  KVM_XICS_PRIORITY_SHIFT	32
-#define  KVM_XICS_PRIORITY_MASK		0xff
-#define  KVM_XICS_LEVEL_SENSITIVE	(1ULL << 40)
-#define  KVM_XICS_MASKED		(1ULL << 41)
-#define  KVM_XICS_PENDING		(1ULL << 42)
-
 #endif /* __LINUX_KVM_POWERPC_H */