Merge branch 'kvm-updates/2.6.30' of git://git.kernel.org/pub/scm/virt/kvm/kvm

d3f12d36 · Linus Torvalds <[email protected]> · 2009-03-26 15:47:52 -07:00

* 'kvm-updates/2.6.30' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (113 commits)
  KVM: VMX: Don't allow uninhibited access to EFER on i386
  KVM: Correct deassign device ioctl to IOW
  KVM: ppc: e500: Fix the bug that KVM is unstable in SMP
  KVM: ppc: e500: Fix the bug that mas0 update to wrong value when read TLB entry
  KVM: Fix missing smp tlb flush in invlpg
  KVM: Get support IRQ routing entry counts
  KVM: fix sparse warnings: Should it be static?
  KVM: fix sparse warnings: context imbalance
  KVM: is_long_mode() should check for EFER.LMA
  KVM: VMX: Update necessary state when guest enters long mode
  KVM: ia64: Fix the build errors due to lack of macros related to MSI.
  ia64: Move the macro definitions related to MSI to one header file.
  KVM: fix kvm_vm_ioctl_deassign_device
  KVM: define KVM_CAP_DEVICE_DEASSIGNMENT
  KVM: ppc: Add emulation of E500 register mmucsr0
  KVM: Report IRQ injection status for MSI delivered interrupts
  KVM: MMU: Fix another largepage memory leak
  KVM: SVM: set accessed bit for VMCB segment selectors
  KVM: Report IRQ injection status to userspace.
  KVM: MMU: remove assertion in kvm_mmu_alloc_page
  ...

Commit: d3f12d36f148f101c568bdbce795e41cd9ceadf3
Parents: 39b566ee · 16175a79

Merge commit. Changes below are compared with the first parent: 39b566ee.

Changes

71 files changed · +4640 −1402

File	Status	Add	Del	Content
arch/ia64/include/asm/kvm.h	modified	+48	−1	View file
arch/ia64/include/asm/kvm_host.h	modified	+11	−7	View file
arch/ia64/include/asm/msidef.h	added	+42	−0	View file
arch/ia64/kernel/msi_ia64.c	modified	+9	−46	View file
arch/ia64/kvm/Kconfig	modified	+4	−0	View file
arch/ia64/kvm/irq.h	modified	+2	−0	View file
arch/ia64/kvm/kvm-ia64.c	modified	+114	−11	View file
arch/ia64/kvm/kvm_fw.c	modified	+148	−3	View file
arch/ia64/kvm/process.c	modified	+49	−22	View file
arch/ia64/kvm/vcpu.c	modified	+6	−38	View file
arch/ia64/kvm/vcpu.h	modified	+2	−2	View file
arch/ia64/kvm/vtlb.c	modified	+17	−27	View file
arch/powerpc/include/asm/kvm.h	modified	+7	−0	View file
arch/powerpc/include/asm/kvm_44x.h	modified	+7	−0	View file
arch/powerpc/include/asm/kvm_asm.h	modified	+6	−1	View file
arch/powerpc/include/asm/kvm_e500.h	added	+67	−0	View file
arch/powerpc/include/asm/kvm_host.h	modified	+2	−19	View file
arch/powerpc/include/asm/kvm_ppc.h	modified	+9	−6	View file
arch/powerpc/include/asm/mmu-fsl-booke.h	modified	+2	−0	View file
arch/powerpc/kernel/asm-offsets.c	modified	+1	−3	View file
arch/powerpc/kvm/44x.c	modified	+1	−71	View file
arch/powerpc/kvm/44x_emulate.c	modified	+15	−202	View file
arch/powerpc/kvm/44x_tlb.c	modified	+28	−11	View file
arch/powerpc/kvm/44x_tlb.h	modified	+0	−9	View file
arch/powerpc/kvm/Kconfig	modified	+16	−0	View file
arch/powerpc/kvm/Makefile	modified	+10	−0	View file
arch/powerpc/kvm/booke.c	modified	+30	−20	View file
arch/powerpc/kvm/booke.h	modified	+24	−11	View file
arch/powerpc/kvm/booke_emulate.c	added	+266	−0	View file
arch/powerpc/kvm/booke_interrupts.S	modified	+5	−0	View file
arch/powerpc/kvm/e500.c	added	+169	−0	View file
arch/powerpc/kvm/e500_emulate.c	added	+202	−0	View file
arch/powerpc/kvm/e500_tlb.c	added	+757	−0	View file
arch/powerpc/kvm/e500_tlb.h	added	+185	−0	View file
arch/powerpc/kvm/emulate.c	modified	+63	−30	View file
arch/powerpc/kvm/powerpc.c	modified	+4	−27	View file
arch/s390/include/asm/kvm.h	modified	+7	−0	View file
arch/s390/include/asm/kvm_host.h	modified	+0	−3	View file
arch/s390/kvm/Kconfig	modified	+3	−0	View file
arch/s390/kvm/intercept.c	modified	+1	−1	View file
arch/s390/kvm/interrupt.c	modified	+6	−1	View file
arch/s390/kvm/kvm-s390.c	modified	+2	−2	View file
arch/s390/kvm/kvm-s390.h	modified	+1	−1	View file
arch/s390/kvm/priv.c	modified	+15	−3	View file
arch/s390/kvm/sigp.c	modified	+0	−2	View file
arch/x86/include/asm/kvm.h	modified	+24	−0	View file
arch/x86/include/asm/kvm_host.h	modified	+47	−14	View file
arch/x86/include/asm/msr-index.h	modified	+9	−0	View file
arch/x86/include/asm/svm.h	modified	+0	−4	View file
arch/x86/include/asm/virtext.h	modified	+1	−1	View file
arch/x86/include/asm/vmx.h	modified	+3	−2	View file
arch/x86/kvm/Kconfig	modified	+4	−0	View file
arch/x86/kvm/i8254.c	modified	+19	−2	View file
arch/x86/kvm/i8254.h	modified	+2	−0	View file
arch/x86/kvm/i8259.c	modified	+18	−7	View file
arch/x86/kvm/irq.h	modified	+2	−0	View file
arch/x86/kvm/kvm_svm.h	modified	+10	−6	View file
arch/x86/kvm/mmu.c	modified	+114	−123	View file
arch/x86/kvm/mmu.h	modified	+1	−1	View file
arch/x86/kvm/paging_tmpl.h	modified	+97	−122	View file
arch/x86/kvm/svm.c	modified	+808	−108	View file
arch/x86/kvm/vmx.c	modified	+226	−167	View file
arch/x86/kvm/x86.c	modified	+318	−114	View file
arch/x86/kvm/x86_emulate.c	modified	+41	−15	View file
include/linux/kvm.h	modified	+98	−17	View file
include/linux/kvm_host.h	modified	+55	−7	View file
include/linux/kvm_types.h	modified	+0	−13	View file
virt/kvm/ioapic.c	modified	+27	−12	View file
virt/kvm/ioapic.h	modified	+1	−1	View file
virt/kvm/irq_comm.c	modified	+284	−13	View file
virt/kvm/kvm_main.c	modified	+68	−73	View file

Only the first 600 diff lines are shown. Download the complete patch.

arch/ia64/include/asm/kvm.h

View file

diff --git a/arch/ia64/include/asm/kvm.h b/arch/ia64/include/asm/kvm.h
index bfa86b6..0ee5bd7 100644
--- a/arch/ia64/include/asm/kvm.h
+++ b/arch/ia64/include/asm/kvm.h
@@ -166,7 +166,40 @@ struct saved_vpd {
 	unsigned long  vcpuid[5];
 	unsigned long  vpsr;
 	unsigned long  vpr;
-	unsigned long  vcr[128];
+	union {
+		unsigned long  vcr[128];
+		struct {
+			unsigned long dcr;
+			unsigned long itm;
+			unsigned long iva;
+			unsigned long rsv1[5];
+			unsigned long pta;
+			unsigned long rsv2[7];
+			unsigned long ipsr;
+			unsigned long isr;
+			unsigned long rsv3;
+			unsigned long iip;
+			unsigned long ifa;
+			unsigned long itir;
+			unsigned long iipa;
+			unsigned long ifs;
+			unsigned long iim;
+			unsigned long iha;
+			unsigned long rsv4[38];
+			unsigned long lid;
+			unsigned long ivr;
+			unsigned long tpr;
+			unsigned long eoi;
+			unsigned long irr[4];
+			unsigned long itv;
+			unsigned long pmv;
+			unsigned long cmcv;
+			unsigned long rsv5[5];
+			unsigned long lrr0;
+			unsigned long lrr1;
+			unsigned long rsv6[46];
+		};
+	};
 };
 
 struct kvm_regs {
@@ -214,4 +247,18 @@ struct kvm_sregs {
 struct kvm_fpu {
 };
 
+#define KVM_IA64_VCPU_STACK_SHIFT	16
+#define KVM_IA64_VCPU_STACK_SIZE	(1UL << KVM_IA64_VCPU_STACK_SHIFT)
+
+struct kvm_ia64_vcpu_stack {
+	unsigned char stack[KVM_IA64_VCPU_STACK_SIZE];
+};
+
+struct kvm_debug_exit_arch {
+};
+
+/* for KVM_SET_GUEST_DEBUG */
+struct kvm_guest_debug_arch {
+};
+
 #endif

arch/ia64/include/asm/kvm_host.h

View file

diff --git a/arch/ia64/include/asm/kvm_host.h b/arch/ia64/include/asm/kvm_host.h
index 3486636..4542651 100644
--- a/arch/ia64/include/asm/kvm_host.h
+++ b/arch/ia64/include/asm/kvm_host.h
@@ -112,7 +112,11 @@
 #define VCPU_STRUCT_SHIFT	16
 #define VCPU_STRUCT_SIZE	(__IA64_UL_CONST(1) << VCPU_STRUCT_SHIFT)
 
-#define KVM_STK_OFFSET		VCPU_STRUCT_SIZE
+/*
+ * This must match KVM_IA64_VCPU_STACK_{SHIFT,SIZE} arch/ia64/include/asm/kvm.h
+ */
+#define KVM_STK_SHIFT		16
+#define KVM_STK_OFFSET		(__IA64_UL_CONST(1)<< KVM_STK_SHIFT)
 
 #define KVM_VM_STRUCT_SHIFT	19
 #define KVM_VM_STRUCT_SIZE	(__IA64_UL_CONST(1) << KVM_VM_STRUCT_SHIFT)
@@ -153,10 +157,10 @@ struct kvm_vm_data {
 	struct kvm_vcpu_data vcpu_data[KVM_MAX_VCPUS];
 };
 
-#define VCPU_BASE(n)	KVM_VM_DATA_BASE + \
-				offsetof(struct kvm_vm_data, vcpu_data[n])
-#define VM_BASE		KVM_VM_DATA_BASE + \
-				offsetof(struct kvm_vm_data, kvm_vm_struct)
+#define VCPU_BASE(n)	(KVM_VM_DATA_BASE + \
+				offsetof(struct kvm_vm_data, vcpu_data[n]))
+#define KVM_VM_BASE	(KVM_VM_DATA_BASE + \
+				offsetof(struct kvm_vm_data, kvm_vm_struct))
 #define KVM_MEM_DIRTY_LOG_BASE	KVM_VM_DATA_BASE + \
 				offsetof(struct kvm_vm_data, kvm_mem_dirty_log)
 
@@ -235,8 +239,6 @@ struct kvm_vm_data {
 
 struct kvm;
 struct kvm_vcpu;
-struct kvm_guest_debug{
-};
 
 struct kvm_mmio_req {
 	uint64_t addr;          /*  physical address		*/
@@ -462,6 +464,8 @@ struct kvm_arch {
 	unsigned long	metaphysical_rr4;
 	unsigned long	vmm_init_rr;
 
+	int		online_vcpus;
+
 	struct kvm_ioapic *vioapic;
 	struct kvm_vm_stat stat;
 	struct kvm_sal_data rdv_sal_data;

arch/ia64/include/asm/msidef.h

View file

diff --git a/arch/ia64/include/asm/msidef.h b/arch/ia64/include/asm/msidef.h
new file mode 100644
index 0000000..592c104
--- /dev/null
+++ b/arch/ia64/include/asm/msidef.h
@@ -0,0 +1,42 @@
+#ifndef _IA64_MSI_DEF_H
+#define _IA64_MSI_DEF_H
+
+/*
+ * Shifts for APIC-based data
+ */
+
+#define     MSI_DATA_VECTOR_SHIFT	0
+#define	    MSI_DATA_VECTOR(v)		(((u8)v) << MSI_DATA_VECTOR_SHIFT)
+#define     MSI_DATA_VECTOR_MASK	0xffffff00
+
+#define     MSI_DATA_DELIVERY_MODE_SHIFT	8
+#define     MSI_DATA_DELIVERY_FIXED	(0 << MSI_DATA_DELIVERY_MODE_SHIFT)
+#define     MSI_DATA_DELIVERY_LOWPRI	(1 << MSI_DATA_DELIVERY_MODE_SHIFT)
+
+#define     MSI_DATA_LEVEL_SHIFT	14
+#define     MSI_DATA_LEVEL_DEASSERT	(0 << MSI_DATA_LEVEL_SHIFT)
+#define     MSI_DATA_LEVEL_ASSERT	(1 << MSI_DATA_LEVEL_SHIFT)
+
+#define     MSI_DATA_TRIGGER_SHIFT	15
+#define     MSI_DATA_TRIGGER_EDGE	(0 << MSI_DATA_TRIGGER_SHIFT)
+#define     MSI_DATA_TRIGGER_LEVEL	(1 << MSI_DATA_TRIGGER_SHIFT)
+
+/*
+ * Shift/mask fields for APIC-based bus address
+ */
+
+#define     MSI_ADDR_DEST_ID_SHIFT	4
+#define     MSI_ADDR_HEADER		0xfee00000
+
+#define     MSI_ADDR_DEST_ID_MASK	0xfff0000f
+#define     MSI_ADDR_DEST_ID_CPU(cpu)	((cpu) << MSI_ADDR_DEST_ID_SHIFT)
+
+#define     MSI_ADDR_DEST_MODE_SHIFT	2
+#define     MSI_ADDR_DEST_MODE_PHYS	(0 << MSI_ADDR_DEST_MODE_SHIFT)
+#define	    MSI_ADDR_DEST_MODE_LOGIC	(1 << MSI_ADDR_DEST_MODE_SHIFT)
+
+#define     MSI_ADDR_REDIRECTION_SHIFT	3
+#define     MSI_ADDR_REDIRECTION_CPU	(0 << MSI_ADDR_REDIRECTION_SHIFT)
+#define     MSI_ADDR_REDIRECTION_LOWPRI	(1 << MSI_ADDR_REDIRECTION_SHIFT)
+
+#endif/* _IA64_MSI_DEF_H */

arch/ia64/kernel/msi_ia64.c

View file

diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c
index 8903393..368ee4e 100644
--- a/arch/ia64/kernel/msi_ia64.c
+++ b/arch/ia64/kernel/msi_ia64.c
@@ -7,44 +7,7 @@
 #include <linux/msi.h>
 #include <linux/dmar.h>
 #include <asm/smp.h>
-
-/*
- * Shifts for APIC-based data
- */
-
-#define MSI_DATA_VECTOR_SHIFT		0
-#define	    MSI_DATA_VECTOR(v)		(((u8)v) << MSI_DATA_VECTOR_SHIFT)
-#define MSI_DATA_VECTOR_MASK		0xffffff00
-
-#define MSI_DATA_DELIVERY_SHIFT		8
-#define     MSI_DATA_DELIVERY_FIXED	(0 << MSI_DATA_DELIVERY_SHIFT)
-#define     MSI_DATA_DELIVERY_LOWPRI	(1 << MSI_DATA_DELIVERY_SHIFT)
-
-#define MSI_DATA_LEVEL_SHIFT		14
-#define     MSI_DATA_LEVEL_DEASSERT	(0 << MSI_DATA_LEVEL_SHIFT)
-#define     MSI_DATA_LEVEL_ASSERT	(1 << MSI_DATA_LEVEL_SHIFT)
-
-#define MSI_DATA_TRIGGER_SHIFT		15
-#define     MSI_DATA_TRIGGER_EDGE	(0 << MSI_DATA_TRIGGER_SHIFT)
-#define     MSI_DATA_TRIGGER_LEVEL	(1 << MSI_DATA_TRIGGER_SHIFT)
-
-/*
- * Shift/mask fields for APIC-based bus address
- */
-
-#define MSI_TARGET_CPU_SHIFT		4
-#define MSI_ADDR_HEADER			0xfee00000
-
-#define MSI_ADDR_DESTID_MASK		0xfff0000f
-#define     MSI_ADDR_DESTID_CPU(cpu)	((cpu) << MSI_TARGET_CPU_SHIFT)
-
-#define MSI_ADDR_DESTMODE_SHIFT		2
-#define     MSI_ADDR_DESTMODE_PHYS	(0 << MSI_ADDR_DESTMODE_SHIFT)
-#define	    MSI_ADDR_DESTMODE_LOGIC	(1 << MSI_ADDR_DESTMODE_SHIFT)
-
-#define MSI_ADDR_REDIRECTION_SHIFT	3
-#define     MSI_ADDR_REDIRECTION_CPU	(0 << MSI_ADDR_REDIRECTION_SHIFT)
-#define     MSI_ADDR_REDIRECTION_LOWPRI	(1 << MSI_ADDR_REDIRECTION_SHIFT)
+#include <asm/msidef.h>
 
 static struct irq_chip	ia64_msi_chip;
 
@@ -65,8 +28,8 @@ static void ia64_set_msi_irq_affinity(unsigned int irq,
 	read_msi_msg(irq, &msg);
 
 	addr = msg.address_lo;
-	addr &= MSI_ADDR_DESTID_MASK;
-	addr |= MSI_ADDR_DESTID_CPU(cpu_physical_id(cpu));
+	addr &= MSI_ADDR_DEST_ID_MASK;
+	addr |= MSI_ADDR_DEST_ID_CPU(cpu_physical_id(cpu));
 	msg.address_lo = addr;
 
 	data = msg.data;
@@ -98,9 +61,9 @@ int ia64_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
 	msg.address_hi = 0;
 	msg.address_lo =
 		MSI_ADDR_HEADER |
-		MSI_ADDR_DESTMODE_PHYS |
+		MSI_ADDR_DEST_MODE_PHYS |
 		MSI_ADDR_REDIRECTION_CPU |
-		MSI_ADDR_DESTID_CPU(dest_phys_id);
+		MSI_ADDR_DEST_ID_CPU(dest_phys_id);
 
 	msg.data =
 		MSI_DATA_TRIGGER_EDGE |
@@ -183,8 +146,8 @@ static void dmar_msi_set_affinity(unsigned int irq, const struct cpumask *mask)
 
 	msg.data &= ~MSI_DATA_VECTOR_MASK;
 	msg.data |= MSI_DATA_VECTOR(cfg->vector);
-	msg.address_lo &= ~MSI_ADDR_DESTID_MASK;
-	msg.address_lo |= MSI_ADDR_DESTID_CPU(cpu_physical_id(cpu));
+	msg.address_lo &= ~MSI_ADDR_DEST_ID_MASK;
+	msg.address_lo |= MSI_ADDR_DEST_ID_CPU(cpu_physical_id(cpu));
 
 	dmar_msi_write(irq, &msg);
 	irq_desc[irq].affinity = *mask;
@@ -215,9 +178,9 @@ msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_msg *msg)
 	msg->address_hi = 0;
 	msg->address_lo =
 		MSI_ADDR_HEADER |
-		MSI_ADDR_DESTMODE_PHYS |
+		MSI_ADDR_DEST_MODE_PHYS |
 		MSI_ADDR_REDIRECTION_CPU |
-		MSI_ADDR_DESTID_CPU(dest);
+		MSI_ADDR_DEST_ID_CPU(dest);
 
 	msg->data =
 		MSI_DATA_TRIGGER_EDGE |

arch/ia64/kvm/Kconfig

View file

diff --git a/arch/ia64/kvm/Kconfig b/arch/ia64/kvm/Kconfig
index f833a0b..0a2d6b8 100644
--- a/arch/ia64/kvm/Kconfig
+++ b/arch/ia64/kvm/Kconfig
@@ -4,6 +4,10 @@
 config HAVE_KVM
 	bool
 
+config HAVE_KVM_IRQCHIP
+       bool
+       default y
+
 menuconfig VIRTUALIZATION
 	bool "Virtualization"
 	depends on HAVE_KVM || IA64

arch/ia64/kvm/irq.h

View file

diff --git a/arch/ia64/kvm/irq.h b/arch/ia64/kvm/irq.h
index c6786e8..c0785a7 100644
--- a/arch/ia64/kvm/irq.h
+++ b/arch/ia64/kvm/irq.h
@@ -23,6 +23,8 @@
 #ifndef __IRQ_H
 #define __IRQ_H
 
+#include "lapic.h"
+
 static inline int irqchip_in_kernel(struct kvm *kvm)
 {
 	return 1;

arch/ia64/kvm/kvm-ia64.c

View file

diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 28f9820..076b00d 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -182,7 +182,7 @@ int kvm_dev_ioctl_check_extension(long ext)
 	switch (ext) {
 	case KVM_CAP_IRQCHIP:
 	case KVM_CAP_MP_STATE:
-
+	case KVM_CAP_IRQ_INJECT_STATUS:
 		r = 1;
 		break;
 	case KVM_CAP_COALESCED_MMIO:
@@ -314,7 +314,7 @@ static struct kvm_vcpu *lid_to_vcpu(struct kvm *kvm, unsigned long id,
 	union ia64_lid lid;
 	int i;
 
-	for (i = 0; i < KVM_MAX_VCPUS; i++) {
+	for (i = 0; i < kvm->arch.online_vcpus; i++) {
 		if (kvm->vcpus[i]) {
 			lid.val = VCPU_LID(kvm->vcpus[i]);
 			if (lid.id == id && lid.eid == eid)
@@ -388,7 +388,7 @@ static int handle_global_purge(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 
 	call_data.ptc_g_data = p->u.ptc_g_data;
 
-	for (i = 0; i < KVM_MAX_VCPUS; i++) {
+	for (i = 0; i < kvm->arch.online_vcpus; i++) {
 		if (!kvm->vcpus[i] || kvm->vcpus[i]->arch.mp_state ==
 						KVM_MP_STATE_UNINITIALIZED ||
 					vcpu == kvm->vcpus[i])
@@ -788,6 +788,8 @@ struct  kvm *kvm_arch_create_vm(void)
 		return ERR_PTR(-ENOMEM);
 	kvm_init_vm(kvm);
 
+	kvm->arch.online_vcpus = 0;
+
 	return kvm;
 
 }
@@ -919,7 +921,13 @@ long kvm_arch_vm_ioctl(struct file *filp,
 		r = kvm_ioapic_init(kvm);
 		if (r)
 			goto out;
+		r = kvm_setup_default_irq_routing(kvm);
+		if (r) {
+			kfree(kvm->arch.vioapic);
+			goto out;
+		}
 		break;
+	case KVM_IRQ_LINE_STATUS:
 	case KVM_IRQ_LINE: {
 		struct kvm_irq_level irq_event;
 
@@ -927,10 +935,17 @@ long kvm_arch_vm_ioctl(struct file *filp,
 		if (copy_from_user(&irq_event, argp, sizeof irq_event))
 			goto out;
 		if (irqchip_in_kernel(kvm)) {
+			__s32 status;
 			mutex_lock(&kvm->lock);
-			kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID,
+			status = kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID,
 				    irq_event.irq, irq_event.level);
 			mutex_unlock(&kvm->lock);
+			if (ioctl == KVM_IRQ_LINE_STATUS) {
+				irq_event.status = status;
+				if (copy_to_user(argp, &irq_event,
+							sizeof irq_event))
+					goto out;
+			}
 			r = 0;
 		}
 		break;
@@ -1149,7 +1164,7 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
 
 		/*Initialize itc offset for vcpus*/
 		itc_offset = 0UL - ia64_getreg(_IA64_REG_AR_ITC);
-		for (i = 0; i < KVM_MAX_VCPUS; i++) {
+		for (i = 0; i < kvm->arch.online_vcpus; i++) {
 			v = (struct kvm_vcpu *)((char *)vcpu +
 					sizeof(struct kvm_vcpu_data) * i);
 			v->arch.itc_offset = itc_offset;
@@ -1283,6 +1298,8 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm,
 		goto fail;
 	}
 
+	kvm->arch.online_vcpus++;
+
 	return vcpu;
 fail:
 	return ERR_PTR(r);
@@ -1303,8 +1320,8 @@ int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
 	return -EINVAL;
 }
 
-int kvm_arch_vcpu_ioctl_debug_guest(struct kvm_vcpu *vcpu,
-		struct kvm_debug_guest *dbg)
+int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
+					struct kvm_guest_debug *dbg)
 {
 	return -EINVAL;
 }
@@ -1421,6 +1438,23 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 	return 0;
 }
 
+int kvm_arch_vcpu_ioctl_get_stack(struct kvm_vcpu *vcpu,
+				  struct kvm_ia64_vcpu_stack *stack)
+{
+	memcpy(stack, vcpu, sizeof(struct kvm_ia64_vcpu_stack));
+	return 0;
+}
+
+int kvm_arch_vcpu_ioctl_set_stack(struct kvm_vcpu *vcpu,
+				  struct kvm_ia64_vcpu_stack *stack)
+{
+	memcpy(vcpu + 1, &stack->stack[0] + sizeof(struct kvm_vcpu),
+	       sizeof(struct kvm_ia64_vcpu_stack) - sizeof(struct kvm_vcpu));
+
+	vcpu->arch.exit_data = ((struct kvm_vcpu *)stack)->arch.exit_data;
+	return 0;
+}
+
 void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu)
 {
 
@@ -1430,9 +1464,78 @@ void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu)
 
 
 long kvm_arch_vcpu_ioctl(struct file *filp,
-		unsigned int ioctl, unsigned long arg)
+			 unsigned int ioctl, unsigned long arg)
 {
-	return -EINVAL;
+	struct kvm_vcpu *vcpu = filp->private_data;
+	void __user *argp = (void __user *)arg;
+	struct kvm_ia64_vcpu_stack *stack = NULL;
+	long r;
+
+	switch (ioctl) {
+	case KVM_IA64_VCPU_GET_STACK: {
+		struct kvm_ia64_vcpu_stack __user *user_stack;
+	        void __user *first_p = argp;
+
+		r = -EFAULT;
+		if (copy_from_user(&user_stack, first_p, sizeof(void *)))
+			goto out;
+
+		if (!access_ok(VERIFY_WRITE, user_stack,
+			       sizeof(struct kvm_ia64_vcpu_stack))) {
+			printk(KERN_INFO "KVM_IA64_VCPU_GET_STACK: "
+			       "Illegal user destination address for stack\n");
+			goto out;
+		}
+		stack = kzalloc(sizeof(struct kvm_ia64_vcpu_stack), GFP_KERNEL);
+		if (!stack) {
+			r = -ENOMEM;
+			goto out;
+		}
+
+		r = kvm_arch_vcpu_ioctl_get_stack(vcpu, stack);
+		if (r)
+			goto out;
+
+		if (copy_to_user(user_stack, stack,
+				 sizeof(struct kvm_ia64_vcpu_stack)))
+			goto out;
+
+		break;
+	}
+	case KVM_IA64_VCPU_SET_STACK: {
+		struct kvm_ia64_vcpu_stack __user *user_stack;
+	        void __user *first_p = argp;
+
+		r = -EFAULT;
+		if (copy_from_user(&user_stack, first_p, sizeof(void *)))
+			goto out;
+
+		if (!access_ok(VERIFY_READ, user_stack,
+			    sizeof(struct kvm_ia64_vcpu_stack))) {
+			printk(KERN_INFO "KVM_IA64_VCPU_SET_STACK: "
+			       "Illegal user address for stack\n");
+			goto out;
+		}
+		stack = kmalloc(sizeof(struct kvm_ia64_vcpu_stack), GFP_KERNEL);
+		if (!stack) {
+			r = -ENOMEM;
+			goto out;
+		}
+		if (copy_from_user(stack, user_stack,
+				   sizeof(struct kvm_ia64_vcpu_stack)))
+			goto out;
+
+		r = kvm_arch_vcpu_ioctl_set_stack(vcpu, stack);
+		break;
+	}
+
+	default:
+		r = -EINVAL;
+	}
+
+out:
+	kfree(stack);
+	return r;
 }
 
 int kvm_arch_set_memory_region(struct kvm *kvm,
@@ -1472,7 +1575,7 @@ void kvm_arch_flush_shadow(struct kvm *kvm)
 }
 
 long kvm_arch_dev_ioctl(struct file *filp,
-		unsigned int ioctl, unsigned long arg)
+			unsigned int ioctl, unsigned long arg)
 {
 	return -EINVAL;
 }
@@ -1737,7 +1840,7 @@ struct kvm_vcpu *kvm_get_lowest_prio_vcpu(struct kvm *kvm, u8 vector,
 	struct kvm_vcpu *lvcpu = kvm->vcpus[0];
 	int i;
 
-	for (i = 1; i < KVM_MAX_VCPUS; i++) {
+	for (i = 1; i < kvm->arch.online_vcpus; i++) {
 		if (!kvm->vcpus[i])
 			continue;
 		if (lvcpu->arch.xtp > kvm->vcpus[i]->arch.xtp)

arch/ia64/kvm/kvm_fw.c

View file

diff --git a/arch/ia64/kvm/kvm_fw.c b/arch/ia64/kvm/kvm_fw.c
index cb7600b..a8ae52e 100644
--- a/arch/ia64/kvm/kvm_fw.c
+++ b/arch/ia64/kvm/kvm_fw.c
@@ -227,6 +227,18 @@ static struct ia64_pal_retval pal_proc_get_features(struct kvm_vcpu *vcpu)
 	return result;
 }
 
+static struct ia64_pal_retval pal_register_info(struct kvm_vcpu *vcpu)
+{
+
+	struct ia64_pal_retval result = {0, 0, 0, 0};
+	long in0, in1, in2, in3;
+
+	kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
+	result.status = ia64_pal_register_info(in1, &result.v1, &result.v2);
+
+	return result;
+}
+
 static struct ia64_pal_retval pal_cache_info(struct kvm_vcpu *vcpu)
 {
 
@@ -268,8 +280,12 @@ static struct ia64_pal_retval pal_vm_summary(struct kvm_vcpu *vcpu)
 static struct ia64_pal_retval pal_vm_info(struct kvm_vcpu *vcpu)
 {
 	struct ia64_pal_retval result;
+	unsigned long in0, in1, in2, in3;
 
-	INIT_PAL_STATUS_UNIMPLEMENTED(result);
+	kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
+
+	result.status = ia64_pal_vm_info(in1, in2,
+			(pal_tc_info_u_t *)&result.v1, &result.v2);
 
 	return result;
 }
@@ -292,6 +308,108 @@ static void prepare_for_halt(struct kvm_vcpu *vcpu)
 	vcpu->arch.timer_fired = 0;
 }
 
+static struct ia64_pal_retval pal_perf_mon_info(struct kvm_vcpu *vcpu)
+{
+	long status;
+	unsigned long in0, in1, in2, in3, r9;
+	unsigned long pm_buffer[16];
+
+	kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
+	status = ia64_pal_perf_mon_info(pm_buffer,
+				(pal_perf_mon_info_u_t *) &r9);
+	if (status != 0) {
+		printk(KERN_DEBUG"PAL_PERF_MON_INFO fails ret=%ld\n", status);
+	} else {
+		if (in1)
+			memcpy((void *)in1, pm_buffer, sizeof(pm_buffer));
+		else {
+			status = PAL_STATUS_EINVAL;
+			printk(KERN_WARNING"Invalid parameters "
+						"for PAL call:0x%lx!\n", in0);
+		}
+	}
+	return (struct ia64_pal_retval){status, r9, 0, 0};
+}
+
+static struct ia64_pal_retval pal_halt_info(struct kvm_vcpu *vcpu)
+{
+	unsigned long in0, in1, in2, in3;
+	long status;
+	unsigned long res = 1000UL | (1000UL << 16) | (10UL << 32)
+					| (1UL << 61) | (1UL << 60);
+
+	kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
+	if (in1) {
+		memcpy((void *)in1, &res, sizeof(res));
+		status = 0;
+	} else{
+		status = PAL_STATUS_EINVAL;
+		printk(KERN_WARNING"Invalid parameters "
+					"for PAL call:0x%lx!\n", in0);
+	}
+
+	return (struct ia64_pal_retval){status, 0, 0, 0};
+}
+
+static struct ia64_pal_retval pal_mem_attrib(struct kvm_vcpu *vcpu)
+{
+	unsigned long r9;
+	long status;