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-rw-r--r--arch/ia64/include/asm/kvm.h49
-rw-r--r--arch/ia64/include/asm/kvm_host.h18
-rw-r--r--arch/ia64/include/asm/msidef.h42
-rw-r--r--arch/ia64/include/asm/socket.h3
-rw-r--r--arch/ia64/kernel/irq.c2
-rw-r--r--arch/ia64/kernel/msi_ia64.c55
-rw-r--r--arch/ia64/kvm/Kconfig4
-rw-r--r--arch/ia64/kvm/irq.h2
-rw-r--r--arch/ia64/kvm/kvm-ia64.c125
-rw-r--r--arch/ia64/kvm/kvm_fw.c151
-rw-r--r--arch/ia64/kvm/process.c71
-rw-r--r--arch/ia64/kvm/vcpu.c44
-rw-r--r--arch/ia64/kvm/vcpu.h4
-rw-r--r--arch/ia64/kvm/vtlb.c44
14 files changed, 456 insertions, 158 deletions
diff --git a/arch/ia64/include/asm/kvm.h b/arch/ia64/include/asm/kvm.h
index 2b0a38e8470..18a7e49abbc 100644
--- a/arch/ia64/include/asm/kvm.h
+++ b/arch/ia64/include/asm/kvm.h
@@ -165,7 +165,40 @@ 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 {
@@ -213,4 +246,18 @@ 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
diff --git a/arch/ia64/include/asm/kvm_host.h b/arch/ia64/include/asm/kvm_host.h
index 34866366165..4542651e6ac 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;
diff --git a/arch/ia64/include/asm/msidef.h b/arch/ia64/include/asm/msidef.h
new file mode 100644
index 00000000000..592c1047a0c
--- /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 */
diff --git a/arch/ia64/include/asm/socket.h b/arch/ia64/include/asm/socket.h
index d5ef0aa3e31..745421225ec 100644
--- a/arch/ia64/include/asm/socket.h
+++ b/arch/ia64/include/asm/socket.h
@@ -63,4 +63,7 @@
#define SO_MARK 36
+#define SO_TIMESTAMPING 37
+#define SCM_TIMESTAMPING SO_TIMESTAMPING
+
#endif /* _ASM_IA64_SOCKET_H */
diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c
index a58f64ca9f0..4f596613bff 100644
--- a/arch/ia64/kernel/irq.c
+++ b/arch/ia64/kernel/irq.c
@@ -80,7 +80,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_printf(p, "%10u ", kstat_irqs(i));
#else
for_each_online_cpu(j) {
- seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
+ seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
}
#endif
seq_printf(p, " %14s", irq_desc[i].chip->name);
diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c
index 89033933903..368ee4e5266 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 |
diff --git a/arch/ia64/kvm/Kconfig b/arch/ia64/kvm/Kconfig
index f833a0b4188..0a2d6b86075 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
diff --git a/arch/ia64/kvm/irq.h b/arch/ia64/kvm/irq.h
index c6786e8b1bf..c0785a72827 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;
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 28f982045f2..076b00d1dbf 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)
diff --git a/arch/ia64/kvm/kvm_fw.c b/arch/ia64/kvm/kvm_fw.c
index cb7600bdff9..a8ae52ed563 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;
+
+ status = ia64_pal_mem_attrib(&r9);
+
+ return (struct ia64_pal_retval){status, r9, 0, 0};
+}
+
+static void remote_pal_prefetch_visibility(void *v)
+{
+ s64 trans_type = (s64)v;
+ ia64_pal_prefetch_visibility(trans_type);
+}
+
+static struct ia64_pal_retval pal_prefetch_visibility(struct kvm_vcpu *vcpu)
+{
+ struct ia64_pal_retval result = {0, 0, 0, 0};
+ unsigned long in0, in1, in2, in3;
+ kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
+ result.status = ia64_pal_prefetch_visibility(in1);
+ if (result.status == 0) {
+ /* Must be performed on all remote processors
+ in the coherence domain. */
+ smp_call_function(remote_pal_prefetch_visibility,
+ (void *)in1, 1);
+ /* Unnecessary on remote processor for other vcpus!*/
+ result.status = 1;
+ }
+ return result;
+}
+
+static void remote_pal_mc_drain(void *v)
+{
+ ia64_pal_mc_drain();
+}
+
+static struct ia64_pal_retval pal_get_brand_info(struct kvm_vcpu *vcpu)
+{
+ struct ia64_pal_retval result = {0, 0, 0, 0};
+ unsigned long in0, in1, in2, in3;
+
+ kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
+
+ if (in1 == 0 && in2) {
+ char brand_info[128];
+ result.status = ia64_pal_get_brand_info(brand_info);
+ if (result.status == PAL_STATUS_SUCCESS)
+ memcpy((void *)in2, brand_info, 128);
+ } else {
+ result.status = PAL_STATUS_REQUIRES_MEMORY;
+ printk(KERN_WARNING"Invalid parameters for "
+ "PAL call:0x%lx!\n", in0);
+ }
+
+ return result;
+}
+
int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *run)
{
@@ -300,14 +418,22 @@ int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *run)
int ret = 1;
gr28 = kvm_get_pal_call_index(vcpu);
- /*printk("pal_call index:%lx\n",gr28);*/
switch (gr28) {
case PAL_CACHE_FLUSH:
result = pal_cache_flush(vcpu);
break;
+ case PAL_MEM_ATTRIB:
+ result = pal_mem_attrib(vcpu);
+ break;
case PAL_CACHE_SUMMARY:
result = pal_cache_summary(vcpu);
break;
+ case PAL_PERF_MON_INFO:
+ result = pal_perf_mon_info(vcpu);
+ break;
+ case PAL_HALT_INFO:
+ result = pal_halt_info(vcpu);
+ break;
case PAL_HALT_LIGHT:
{
INIT_PAL_STATUS_SUCCESS(result);
@@ -317,6 +443,16 @@ int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *run)
}
break;
+ case PAL_PREFETCH_VISIBILITY:
+ result = pal_prefetch_visibility(vcpu);
+ break;
+ case PAL_MC_DRAIN:
+ result.status = ia64_pal_mc_drain();
+ /* FIXME: All vcpus likely call PAL_MC_DRAIN.
+ That causes the congestion. */
+ smp_call_function(remote_pal_mc_drain, NULL, 1);
+ break;
+
case PAL_FREQ_RATIOS:
result = pal_freq_ratios(vcpu);
break;
@@ -346,6 +482,9 @@ int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *run)
INIT_PAL_STATUS_SUCCESS(result);
result.v1 = (1L << 32) | 1L;
break;
+ case PAL_REGISTER_INFO:
+ result = pal_register_info(vcpu);
+ break;
case PAL_VM_PAGE_SIZE:
result.status = ia64_pal_vm_page_size(&result.v0,
&result.v1);
@@ -365,12 +504,18 @@ int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *run)
result.status = ia64_pal_version(
(pal_version_u_t *)&result.v0,
(pal_version_u_t *)&result.v1);
-
break;
case PAL_FIXED_ADDR:
result.status = PAL_STATUS_SUCCESS;
result.v0 = vcpu->vcpu_id;
break;
+ case PAL_BRAND_INFO:
+ result = pal_get_brand_info(vcpu);
+ break;
+ case PAL_GET_PSTATE:
+ case PAL_CACHE_SHARED_INFO:
+ INIT_PAL_STATUS_UNIMPLEMENTED(result);
+ break;
default:
INIT_PAL_STATUS_UNIMPLEMENTED(result);
printk(KERN_WARNING"kvm: Unsupported pal call,"
diff --git a/arch/ia64/kvm/process.c b/arch/ia64/kvm/process.c
index 230eae482f3..b1dc80952d9 100644
--- a/arch/ia64/kvm/process.c
+++ b/arch/ia64/kvm/process.c
@@ -167,7 +167,6 @@ static u64 vcpu_get_itir_on_fault(struct kvm_vcpu *vcpu, u64 ifa)
return (rr1.val);
}
-
/*
* Set vIFA & vITIR & vIHA, when vPSR.ic =1
* Parameter:
@@ -222,8 +221,6 @@ void itlb_fault(struct kvm_vcpu *vcpu, u64 vadr)
inject_guest_interruption(vcpu, IA64_INST_TLB_VECTOR);
}
-
-
/*
* Data Nested TLB Fault
* @ Data Nested TLB Vector
@@ -245,7 +242,6 @@ void alt_dtlb(struct kvm_vcpu *vcpu, u64 vadr)
inject_guest_interruption(vcpu, IA64_ALT_DATA_TLB_VECTOR);
}
-
/*
* Data TLB Fault
* @ Data TLB vector
@@ -265,8 +261,6 @@ static void _vhpt_fault(struct kvm_vcpu *vcpu, u64 vadr)
/* If vPSR.ic, IFA, ITIR, IHA*/
set_ifa_itir_iha(vcpu, vadr, 1, 1, 1);
inject_guest_interruption(vcpu, IA64_VHPT_TRANS_VECTOR);
-
-
}
/*
@@ -279,7 +273,6 @@ void ivhpt_fault(struct kvm_vcpu *vcpu, u64 vadr)
_vhpt_fault(vcpu, vadr);
}
-
/*
* VHPT Data Fault
* @ VHPT Translation vector
@@ -290,8 +283,6 @@ void dvhpt_fault(struct kvm_vcpu *vcpu, u64 vadr)
_vhpt_fault(vcpu, vadr);
}
-
-
/*
* Deal with:
* General Exception vector
@@ -301,7 +292,6 @@ void _general_exception(struct kvm_vcpu *vcpu)
inject_guest_interruption(vcpu, IA64_GENEX_VECTOR);
}
-
/*
* Illegal Operation Fault
* @ General Exception Vector
@@ -419,19 +409,16 @@ static void __page_not_present(struct kvm_vcpu *vcpu, u64 vadr)
inject_guest_interruption(vcpu, IA64_PAGE_NOT_PRESENT_VECTOR);
}
-
void data_page_not_present(struct kvm_vcpu *vcpu, u64 vadr)
{
__page_not_present(vcpu, vadr);
}
-
void inst_page_not_present(struct kvm_vcpu *vcpu, u64 vadr)
{
__page_not_present(vcpu, vadr);
}
-
/* Deal with
* Data access rights vector
*/
@@ -563,22 +550,64 @@ void reflect_interruption(u64 ifa, u64 isr, u64 iim,
inject_guest_interruption(vcpu, vector);
}
+static unsigned long kvm_trans_pal_call_args(struct kvm_vcpu *vcpu,
+ unsigned long arg)
+{
+ struct thash_data *data;
+ unsigned long gpa, poff;
+
+ if (!is_physical_mode(vcpu)) {
+ /* Depends on caller to provide the DTR or DTC mapping.*/
+ data = vtlb_lookup(vcpu, arg, D_TLB);
+ if (data)
+ gpa = data->page_flags & _PAGE_PPN_MASK;
+ else {
+ data = vhpt_lookup(arg);
+ if (!data)
+ return 0;
+ gpa = data->gpaddr & _PAGE_PPN_MASK;
+ }
+
+ poff = arg & (PSIZE(data->ps) - 1);
+ arg = PAGEALIGN(gpa, data->ps) | poff;
+ }
+ arg = kvm_gpa_to_mpa(arg << 1 >> 1);
+
+ return (unsigned long)__va(arg);
+}
+
static void set_pal_call_data(struct kvm_vcpu *vcpu)
{
struct exit_ctl_data *p = &vcpu->arch.exit_data;
+ unsigned long gr28 = vcpu_get_gr(vcpu, 28);
+ unsigned long gr29 = vcpu_get_gr(vcpu, 29);
+ unsigned long gr30 = vcpu_get_gr(vcpu, 30);
/*FIXME:For static and stacked convention, firmware
* has put the parameters in gr28-gr31 before
* break to vmm !!*/
- p->u.pal_data.gr28 = vcpu_get_gr(vcpu, 28);
- p->u.pal_data.gr29 = vcpu_get_gr(vcpu, 29);
- p->u.pal_data.gr30 = vcpu_get_gr(vcpu, 30);
+ switch (gr28) {
+ case PAL_PERF_MON_INFO:
+ case PAL_HALT_INFO:
+ p->u.pal_data.gr29 = kvm_trans_pal_call_args(vcpu, gr29);
+ p->u.pal_data.gr30 = vcpu_get_gr(vcpu, 30);
+ break;
+ case PAL_BRAND_INFO:
+ p->u.pal_data.gr29 = gr29;;
+ p->u.pal_data.gr30 = kvm_trans_pal_call_args(vcpu, gr30);
+ break;
+ default:
+ p->u.pal_data.gr29 = gr29;;
+ p->u.pal_data.gr30 = vcpu_get_gr(vcpu, 30);
+ }
+ p->u.pal_data.gr28 = gr28;
p->u.pal_data.gr31 = vcpu_get_gr(vcpu, 31);
+
p->exit_reason = EXIT_REASON_PAL_CALL;
}
-static void set_pal_call_result(struct kvm_vcpu *vcpu)
+static void get_pal_call_result(struct kvm_vcpu *vcpu)
{
struct exit_ctl_data *p = &vcpu->arch.exit_data;
@@ -606,7 +635,7 @@ static void set_sal_call_data(struct kvm_vcpu *vcpu)
p->exit_reason = EXIT_REASON_SAL_CALL;
}
-static void set_sal_call_result(struct kvm_vcpu *vcpu)
+static void get_sal_call_result(struct kvm_vcpu *vcpu)
{
struct exit_ctl_data *p = &vcpu->arch.exit_data;
@@ -629,13 +658,13 @@ void kvm_ia64_handle_break(unsigned long ifa, struct kvm_pt_regs *regs,
if (iim == DOMN_PAL_REQUEST) {
set_pal_call_data(v);
vmm_transition(v);
- set_pal_call_result(v);
+ get_pal_call_result(v);
vcpu_increment_iip(v);
return;
} else if (iim == DOMN_SAL_REQUEST) {
set_sal_call_data(v);
vmm_transition(v);
- set_sal_call_result(v);
+ get_sal_call_result(v);
vcpu_increment_iip(v);
return;
}
@@ -703,7 +732,6 @@ void vhpi_detection(struct kvm_vcpu *vcpu)
}
}
-
void leave_hypervisor_tail(void)
{
struct kvm_vcpu *v = current_vcpu;
@@ -737,7 +765,6 @@ void leave_hypervisor_tail(void)
}
}
-
static inline void handle_lds(struct kvm_pt_regs *regs)
{
regs->cr_ipsr |= IA64_PSR_ED;
diff --git a/arch/ia64/kvm/vcpu.c b/arch/ia64/kvm/vcpu.c
index ecd526b5532..d4d28050587 100644
--- a/arch/ia64/kvm/vcpu.c
+++ b/arch/ia64/kvm/vcpu.c
@@ -112,7 +112,6 @@ void switch_to_physical_rid(struct kvm_vcpu *vcpu)
return;
}
-
void switch_to_virtual_rid(struct kvm_vcpu *vcpu)
{
unsigned long psr;
@@ -166,8 +165,6 @@ void switch_mm_mode(struct kvm_vcpu *vcpu, struct ia64_psr old_psr,
return;
}
-
-
/*
* In physical mode, insert tc/tr for region 0 and 4 uses
* RID[0] and RID[4] which is for physical mode emulation.
@@ -269,7 +266,6 @@ static inline unsigned long fph_index(struct kvm_pt_regs *regs,
return rotate_reg(96, rrb_fr, (regnum - IA64_FIRST_ROTATING_FR));
}
-
/*
* The inverse of the above: given bspstore and the number of
* registers, calculate ar.bsp.
@@ -811,12 +807,15 @@ static inline void vcpu_set_itm(struct kvm_vcpu *vcpu, u64 val);
static void vcpu_set_itc(struct kvm_vcpu *vcpu, u64 val)
{
struct kvm_vcpu *v;
+ struct kvm *kvm;
int i;
long itc_offset = val - ia64_getreg(_IA64_REG_AR_ITC);
unsigned long vitv = VCPU(vcpu, itv);
+ kvm = (struct kvm *)KVM_VM_BASE;
+
if (vcpu->vcpu_id == 0) {
- 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);
VMX(v, itc_offset) = itc_offset;
@@ -1039,8 +1038,6 @@ u64 vcpu_tak(struct kvm_vcpu *vcpu, u64 vadr)
return key;
}
-
-
void kvm_thash(struct kvm_vcpu *vcpu, INST64 inst)
{
unsigned long thash, vadr;
@@ -1050,7 +1047,6 @@ void kvm_thash(struct kvm_vcpu *vcpu, INST64 inst)
vcpu_set_gr(vcpu, inst.M46.r1, thash, 0);
}
-
void kvm_ttag(struct kvm_vcpu *vcpu, INST64 inst)
{
unsigned long tag, vadr;
@@ -1131,7 +1127,6 @@ int vcpu_tpa(struct kvm_vcpu *vcpu, u64 vadr, u64 *padr)
return IA64_NO_FAULT;
}
-
int kvm_tpa(struct kvm_vcpu *vcpu, INST64 inst)
{
unsigned long r1, r3;
@@ -1154,7 +1149,6 @@ void kvm_tak(struct kvm_vcpu *vcpu, INST64 inst)
vcpu_set_gr(vcpu, inst.M46.r1, r1, 0);
}
-
/************************************
* Insert/Purge translation register/cache
************************************/
@@ -1385,7 +1379,6 @@ void kvm_mov_to_ar_reg(struct kvm_vcpu *vcpu, INST64 inst)
vcpu_set_itc(vcpu, r2);
}
-
void kvm_mov_from_ar_reg(struct kvm_vcpu *vcpu, INST64 inst)
{
unsigned long r1;
@@ -1393,8 +1386,9 @@ void kvm_mov_from_ar_reg(struct kvm_vcpu *vcpu, INST64 inst)
r1 = vcpu_get_itc(vcpu);
vcpu_set_gr(vcpu, inst.M31.r1, r1, 0);
}
+
/**************************************************************************
- struct kvm_vcpu*protection key register access routines
+ struct kvm_vcpu protection key register access routines
**************************************************************************/
unsigned long vcpu_get_pkr(struct kvm_vcpu *vcpu, unsigned long reg)
@@ -1407,20 +1401,6 @@ void vcpu_set_pkr(struct kvm_vcpu *vcpu, unsigned long reg, unsigned long val)
ia64_set_pkr(reg, val);
}
-
-unsigned long vcpu_get_itir_on_fault(struct kvm_vcpu *vcpu, unsigned long ifa)
-{
- union ia64_rr rr, rr1;
-
- rr.val = vcpu_get_rr(vcpu, ifa);
- rr1.val = 0;
- rr1.ps = rr.ps;
- rr1.rid = rr.rid;
- return (rr1.val);
-}
-
-
-
/********************************
* Moves to privileged registers
********************************/
@@ -1464,8 +1444,6 @@ unsigned long vcpu_set_rr(struct kvm_vcpu *vcpu, unsigned long reg,
return (IA64_NO_FAULT);
}
-
-
void kvm_mov_to_rr(struct kvm_vcpu *vcpu, INST64 inst)
{
unsigned long r3, r2;
@@ -1510,8 +1488,6 @@ void kvm_mov_to_pkr(struct kvm_vcpu *vcpu, INST64 inst)
vcpu_set_pkr(vcpu, r3, r2);
}
-
-
void kvm_mov_from_rr(struct kvm_vcpu *vcpu, INST64 inst)
{
unsigned long r3, r1;
@@ -1557,7 +1533,6 @@ void kvm_mov_from_pmc(struct kvm_vcpu *vcpu, INST64 inst)
vcpu_set_gr(vcpu, inst.M43.r1, r1, 0);
}
-
unsigned long vcpu_get_cpuid(struct kvm_vcpu *vcpu, unsigned long reg)
{
/* FIXME: This could get called as a result of a rsvd-reg fault */
@@ -1609,7 +1584,6 @@ unsigned long kvm_mov_to_cr(struct kvm_vcpu *vcpu, INST64 inst)
return 0;
}
-
unsigned long kvm_mov_from_cr(struct kvm_vcpu *vcpu, INST64 inst)
{
unsigned long tgt = inst.M33.r1;
@@ -1633,8 +1607,6 @@ unsigned long kvm_mov_from_cr(struct kvm_vcpu *vcpu, INST64 inst)
return 0;
}
-
-
void vcpu_set_psr(struct kvm_vcpu *vcpu, unsigned long val)
{
@@ -1776,9 +1748,6 @@ void vcpu_bsw1(struct kvm_vcpu *vcpu)
}
}
-
-
-
void vcpu_rfi(struct kvm_vcpu *vcpu)
{
unsigned long ifs, psr;
@@ -1796,7 +1765,6 @@ void vcpu_rfi(struct kvm_vcpu *vcpu)
regs->cr_iip = VCPU(vcpu, iip);
}
-
/*
VPSR can't keep track of below bits of guest PSR
This function gets guest PSR
diff --git a/arch/ia64/kvm/vcpu.h b/arch/ia64/kvm/vcpu.h
index b2f12a562bd..042af92ced8 100644
--- a/arch/ia64/kvm/vcpu.h
+++ b/arch/ia64/kvm/vcpu.h
@@ -703,7 +703,7 @@ extern u64 guest_vhpt_lookup(u64 iha, u64 *pte);
extern void thash_purge_entries(struct kvm_vcpu *v, u64 va, u64 ps);
extern void thash_purge_entries_remote(struct kvm_vcpu *v, u64 va, u64 ps);
extern u64 translate_phy_pte(u64 *pte, u64 itir, u64 va);
-extern int thash_purge_and_insert(struct kvm_vcpu *v, u64 pte,
+extern void thash_purge_and_insert(struct kvm_vcpu *v, u64 pte,
u64 itir, u64 ifa, int type);
extern void thash_purge_all(struct kvm_vcpu *v);
extern struct thash_data *vtlb_lookup(struct kvm_vcpu *v,
@@ -738,7 +738,7 @@ void kvm_init_vhpt(struct kvm_vcpu *v);
void thash_init(struct thash_cb *hcb, u64 sz);
void panic_vm(struct kvm_vcpu *v, const char *fmt, ...);
-
+u64 kvm_gpa_to_mpa(u64 gpa);
extern u64 ia64_call_vsa(u64 proc, u64 arg1, u64 arg2, u64 arg3,
u64 arg4, u64 arg5, u64 arg6, u64 arg7);
diff --git a/arch/ia64/kvm/vtlb.c b/arch/ia64/kvm/vtlb.c
index 6b6307a3bd5..38232b37668 100644
--- a/arch/ia64/kvm/vtlb.c
+++ b/arch/ia64/kvm/vtlb.c
@@ -164,11 +164,11 @@ static void vhpt_insert(u64 pte, u64 itir, u64 ifa, u64 gpte)
unsigned long ps, gpaddr;
ps = itir_ps(itir);
+ rr.val = ia64_get_rr(ifa);
- gpaddr = ((gpte & _PAGE_PPN_MASK) >> ps << ps) |
- (ifa & ((1UL << ps) - 1));
+ gpaddr = ((gpte & _PAGE_PPN_MASK) >> ps << ps) |
+ (ifa & ((1UL << ps) - 1));
- rr.val = ia64_get_rr(ifa);
head = (struct thash_data *)ia64_thash(ifa);
head->etag = INVALID_TI_TAG;
ia64_mf();
@@ -412,16 +412,14 @@ u64 translate_phy_pte(u64 *pte, u64 itir, u64 va)
/*
* Purge overlap TCs and then insert the new entry to emulate itc ops.
- * Notes: Only TC entry can purge and insert.
- * 1 indicates this is MMIO
+ * Notes: Only TC entry can purge and insert.
*/
-int thash_purge_and_insert(struct kvm_vcpu *v, u64 pte, u64 itir,
+void thash_purge_and_insert(struct kvm_vcpu *v, u64 pte, u64 itir,
u64 ifa, int type)
{
u64 ps;
u64 phy_pte, io_mask, index;
union ia64_rr vrr, mrr;
- int ret = 0;
ps = itir_ps(itir);
vrr.val = vcpu_get_rr(v, ifa);
@@ -441,25 +439,19 @@ int thash_purge_and_insert(struct kvm_vcpu *v, u64 pte, u64 itir,
phy_pte &= ~_PAGE_MA_MASK;
}
- if (pte & VTLB_PTE_IO)
- ret = 1;
-
vtlb_purge(v, ifa, ps);
vhpt_purge(v, ifa, ps);
- if (ps == mrr.ps) {
- if (!(pte&VTLB_PTE_IO)) {
- vhpt_insert(phy_pte, itir, ifa, pte);
- } else {
- vtlb_insert(v, pte, itir, ifa);
- vcpu_quick_region_set(VMX(v, tc_regions), ifa);
- }
- } else if (ps > mrr.ps) {
+ if ((ps != mrr.ps) || (pte & VTLB_PTE_IO)) {
vtlb_insert(v, pte, itir, ifa);
vcpu_quick_region_set(VMX(v, tc_regions), ifa);
- if (!(pte&VTLB_PTE_IO))
- vhpt_insert(phy_pte, itir, ifa, pte);
- } else {
+ }
+ if (pte & VTLB_PTE_IO)
+ return;
+
+ if (ps >= mrr.ps)
+ vhpt_insert(phy_pte, itir, ifa, pte);
+ else {
u64 psr;
phy_pte &= ~PAGE_FLAGS_RV_MASK;
psr = ia64_clear_ic();
@@ -469,7 +461,6 @@ int thash_purge_and_insert(struct kvm_vcpu *v, u64 pte, u64 itir,
if (!(pte&VTLB_PTE_IO))
mark_pages_dirty(v, pte, ps);
- return ret;
}
/*
@@ -509,7 +500,6 @@ void thash_purge_all(struct kvm_vcpu *v)
local_flush_tlb_all();
}
-
/*
* Lookup the hash table and its collision chain to find an entry
* covering this address rid:va or the entry.
@@ -517,7 +507,6 @@ void thash_purge_all(struct kvm_vcpu *v)
* INPUT:
* in: TLB format for both VHPT & TLB.
*/
-
struct thash_data *vtlb_lookup(struct kvm_vcpu *v, u64 va, int is_data)
{
struct thash_data *cch;
@@ -547,7 +536,6 @@ struct thash_data *vtlb_lookup(struct kvm_vcpu *v, u64 va, int is_data)
return NULL;
}
-
/*
* Initialize internal control data before service.
*/
@@ -573,6 +561,10 @@ void thash_init(struct thash_cb *hcb, u64 sz)
u64 kvm_get_mpt_entry(u64 gpfn)
{
u64 *base = (u64 *) KVM_P2M_BASE;
+
+ if (gpfn >= (KVM_P2M_SIZE >> 3))
+ panic_vm(current_vcpu, "Invalid gpfn =%lx\n", gpfn);
+
return *(base + gpfn);
}
@@ -589,7 +581,6 @@ u64 kvm_gpa_to_mpa(u64 gpa)
return (pte >> PAGE_SHIFT << PAGE_SHIFT) | (gpa & ~PAGE_MASK);
}
-
/*
* Fetch guest bundle code.
* INPUT:
@@ -631,7 +622,6 @@ int fetch_code(struct kvm_vcpu *vcpu, u64 gip, IA64_BUNDLE *pbundle)
return IA64_NO_FAULT;
}
-
void kvm_init_vhpt(struct kvm_vcpu *v)
{
v->arch.vhpt.num = VHPT_NUM_ENTRIES;
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-11 18:59:57 +0000