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-rw-r--r--include/linux/irqchip/arm-gic-v5.h27
-rw-r--r--include/linux/kvm_host.h27
2 files changed, 44 insertions, 10 deletions
diff --git a/include/linux/irqchip/arm-gic-v5.h b/include/linux/irqchip/arm-gic-v5.h
index b78488df6c98..40d2fce68294 100644
--- a/include/linux/irqchip/arm-gic-v5.h
+++ b/include/linux/irqchip/arm-gic-v5.h
@@ -25,6 +25,28 @@
#define GICV5_HWIRQ_TYPE_SPI UL(0x3)
/*
+ * Architected PPIs
+ */
+#define GICV5_ARCH_PPI_S_DB_PPI 0x0
+#define GICV5_ARCH_PPI_RL_DB_PPI 0x1
+#define GICV5_ARCH_PPI_NS_DB_PPI 0x2
+#define GICV5_ARCH_PPI_SW_PPI 0x3
+#define GICV5_ARCH_PPI_HACDBSIRQ 0xf
+#define GICV5_ARCH_PPI_CNTHVS 0x13
+#define GICV5_ARCH_PPI_CNTHPS 0x14
+#define GICV5_ARCH_PPI_PMBIRQ 0x15
+#define GICV5_ARCH_PPI_COMMIRQ 0x16
+#define GICV5_ARCH_PPI_PMUIRQ 0x17
+#define GICV5_ARCH_PPI_CTIIRQ 0x18
+#define GICV5_ARCH_PPI_GICMNT 0x19
+#define GICV5_ARCH_PPI_CNTHP 0x1a
+#define GICV5_ARCH_PPI_CNTV 0x1b
+#define GICV5_ARCH_PPI_CNTHV 0x1c
+#define GICV5_ARCH_PPI_CNTPS 0x1d
+#define GICV5_ARCH_PPI_CNTP 0x1e
+#define GICV5_ARCH_PPI_TRBIRQ 0x1f
+
+/*
* Tables attributes
*/
#define GICV5_NO_READ_ALLOC 0b0
@@ -365,6 +387,11 @@ int gicv5_spi_irq_set_type(struct irq_data *d, unsigned int type);
int gicv5_irs_iste_alloc(u32 lpi);
void gicv5_irs_syncr(void);
+/* Embedded in kvm.arch */
+struct gicv5_vpe {
+ bool resident;
+};
+
struct gicv5_its_devtab_cfg {
union {
struct {
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 6b76e7a6f4c2..4c14aee1fb06 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -318,7 +318,8 @@ static inline bool kvm_vcpu_can_poll(ktime_t cur, ktime_t stop)
struct kvm_mmio_fragment {
gpa_t gpa;
void *data;
- unsigned len;
+ u64 val;
+ unsigned int len;
};
struct kvm_vcpu {
@@ -1029,6 +1030,13 @@ static inline struct kvm_vcpu *kvm_get_vcpu_by_id(struct kvm *kvm, int id)
return NULL;
}
+static inline bool kvm_is_vcpu_creation_in_progress(struct kvm *kvm)
+{
+ lockdep_assert_held(&kvm->lock);
+
+ return kvm->created_vcpus != atomic_read(&kvm->online_vcpus);
+}
+
void kvm_destroy_vcpus(struct kvm *kvm);
int kvm_trylock_all_vcpus(struct kvm *kvm);
@@ -1628,6 +1636,13 @@ static inline void kvm_create_vcpu_debugfs(struct kvm_vcpu *vcpu) {}
#ifdef CONFIG_KVM_GENERIC_HARDWARE_ENABLING
/*
+ * kvm_arch_shutdown() is invoked immediately prior to forcefully disabling
+ * hardware virtualization on all CPUs via IPI function calls (in preparation
+ * for shutdown or reboot), e.g. to allow arch code to prepare for disabling
+ * virtualization while KVM may be actively running vCPUs.
+ */
+void kvm_arch_shutdown(void);
+/*
* kvm_arch_{enable,disable}_virtualization() are called on one CPU, under
* kvm_usage_lock, immediately after/before 0=>1 and 1=>0 transitions of
* kvm_usage_count, i.e. at the beginning of the generic hardware enabling
@@ -2300,7 +2315,6 @@ static inline bool kvm_check_request(int req, struct kvm_vcpu *vcpu)
#ifdef CONFIG_KVM_GENERIC_HARDWARE_ENABLING
extern bool enable_virt_at_load;
-extern bool kvm_rebooting;
#endif
extern unsigned int halt_poll_ns;
@@ -2366,6 +2380,7 @@ void kvm_unregister_device_ops(u32 type);
extern struct kvm_device_ops kvm_mpic_ops;
extern struct kvm_device_ops kvm_arm_vgic_v2_ops;
extern struct kvm_device_ops kvm_arm_vgic_v3_ops;
+extern struct kvm_device_ops kvm_arm_vgic_v5_ops;
#ifdef CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT
@@ -2594,12 +2609,4 @@ long kvm_arch_vcpu_pre_fault_memory(struct kvm_vcpu *vcpu,
struct kvm_pre_fault_memory *range);
#endif
-#ifdef CONFIG_KVM_GENERIC_HARDWARE_ENABLING
-int kvm_enable_virtualization(void);
-void kvm_disable_virtualization(void);
-#else
-static inline int kvm_enable_virtualization(void) { return 0; }
-static inline void kvm_disable_virtualization(void) { }
-#endif
-
#endif