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-rw-r--r--include/clocksource/arm_arch_timer.h1
-rw-r--r--include/kvm/arm_arch_timer.h34
-rw-r--r--include/kvm/arm_vgic.h1
-rw-r--r--include/uapi/linux/kvm.h3
4 files changed, 33 insertions, 6 deletions
diff --git a/include/clocksource/arm_arch_timer.h b/include/clocksource/arm_arch_timer.h
index 057c8964aefb..cbbc9a6dc571 100644
--- a/include/clocksource/arm_arch_timer.h
+++ b/include/clocksource/arm_arch_timer.h
@@ -21,6 +21,7 @@
#define CNTHCTL_EVNTEN (1 << 2)
#define CNTHCTL_EVNTDIR (1 << 3)
#define CNTHCTL_EVNTI (0xF << 4)
+#define CNTHCTL_ECV (1 << 12)
enum arch_timer_reg {
ARCH_TIMER_REG_CTRL,
diff --git a/include/kvm/arm_arch_timer.h b/include/kvm/arm_arch_timer.h
index c52a6e6839da..bb3cb005873e 100644
--- a/include/kvm/arm_arch_timer.h
+++ b/include/kvm/arm_arch_timer.h
@@ -13,6 +13,9 @@
enum kvm_arch_timers {
TIMER_PTIMER,
TIMER_VTIMER,
+ NR_KVM_EL0_TIMERS,
+ TIMER_HVTIMER = NR_KVM_EL0_TIMERS,
+ TIMER_HPTIMER,
NR_KVM_TIMERS
};
@@ -21,6 +24,7 @@ enum kvm_arch_timer_regs {
TIMER_REG_CVAL,
TIMER_REG_TVAL,
TIMER_REG_CTL,
+ TIMER_REG_VOFF,
};
struct arch_timer_offset {
@@ -29,21 +33,29 @@ struct arch_timer_offset {
* structure. If NULL, assume a zero offset.
*/
u64 *vm_offset;
+ /*
+ * If set, pointer to one of the offsets in the vcpu's sysreg
+ * array. If NULL, assume a zero offset.
+ */
+ u64 *vcpu_offset;
};
struct arch_timer_vm_data {
/* Offset applied to the virtual timer/counter */
u64 voffset;
+ /* Offset applied to the physical timer/counter */
+ u64 poffset;
+
+ /* The PPI for each timer, global to the VM */
+ u8 ppi[NR_KVM_TIMERS];
};
struct arch_timer_context {
struct kvm_vcpu *vcpu;
- /* Timer IRQ */
- struct kvm_irq_level irq;
-
/* Emulated Timer (may be unused) */
struct hrtimer hrtimer;
+ u64 ns_frac;
/* Offset for this counter/timer */
struct arch_timer_offset offset;
@@ -54,14 +66,19 @@ struct arch_timer_context {
*/
bool loaded;
+ /* Output level of the timer IRQ */
+ struct {
+ bool level;
+ } irq;
+
/* Duplicated state from arch_timer.c for convenience */
u32 host_timer_irq;
- u32 host_timer_irq_flags;
};
struct timer_map {
struct arch_timer_context *direct_vtimer;
struct arch_timer_context *direct_ptimer;
+ struct arch_timer_context *emul_vtimer;
struct arch_timer_context *emul_ptimer;
};
@@ -84,6 +101,8 @@ bool kvm_timer_should_notify_user(struct kvm_vcpu *vcpu);
void kvm_timer_update_run(struct kvm_vcpu *vcpu);
void kvm_timer_vcpu_terminate(struct kvm_vcpu *vcpu);
+void kvm_timer_init_vm(struct kvm *kvm);
+
u64 kvm_arm_timer_get_reg(struct kvm_vcpu *, u64 regid);
int kvm_arm_timer_set_reg(struct kvm_vcpu *, u64 regid, u64 value);
@@ -98,15 +117,18 @@ void kvm_timer_vcpu_put(struct kvm_vcpu *vcpu);
void kvm_timer_init_vhe(void);
-bool kvm_arch_timer_get_input_level(int vintid);
-
#define vcpu_timer(v) (&(v)->arch.timer_cpu)
#define vcpu_get_timer(v,t) (&vcpu_timer(v)->timers[(t)])
#define vcpu_vtimer(v) (&(v)->arch.timer_cpu.timers[TIMER_VTIMER])
#define vcpu_ptimer(v) (&(v)->arch.timer_cpu.timers[TIMER_PTIMER])
+#define vcpu_hvtimer(v) (&(v)->arch.timer_cpu.timers[TIMER_HVTIMER])
+#define vcpu_hptimer(v) (&(v)->arch.timer_cpu.timers[TIMER_HPTIMER])
#define arch_timer_ctx_index(ctx) ((ctx) - vcpu_timer((ctx)->vcpu)->timers)
+#define timer_vm_data(ctx) (&(ctx)->vcpu->kvm->arch.timer_data)
+#define timer_irq(ctx) (timer_vm_data(ctx)->ppi[arch_timer_ctx_index(ctx)])
+
u64 kvm_arm_timer_read_sysreg(struct kvm_vcpu *vcpu,
enum kvm_arch_timers tmr,
enum kvm_arch_timer_regs treg);
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index d3ad51fde9db..402b545959af 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -380,6 +380,7 @@ int kvm_vgic_inject_irq(struct kvm *kvm, int cpuid, unsigned int intid,
int kvm_vgic_map_phys_irq(struct kvm_vcpu *vcpu, unsigned int host_irq,
u32 vintid, struct irq_ops *ops);
int kvm_vgic_unmap_phys_irq(struct kvm_vcpu *vcpu, unsigned int vintid);
+int kvm_vgic_get_map(struct kvm_vcpu *vcpu, unsigned int vintid);
bool kvm_vgic_map_is_active(struct kvm_vcpu *vcpu, unsigned int vintid);
int kvm_vgic_vcpu_pending_irq(struct kvm_vcpu *vcpu);
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index d77aef872a0a..6a7e1a0ecf04 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -1184,6 +1184,7 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224
#define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225
#define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226
+#define KVM_CAP_COUNTER_OFFSET 227
#ifdef KVM_CAP_IRQ_ROUTING
@@ -1543,6 +1544,8 @@ struct kvm_s390_ucas_mapping {
#define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
#define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
#define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags)
+/* Available with KVM_CAP_COUNTER_OFFSET */
+#define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset)
/* ioctl for vm fd */
#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)