summaryrefslogtreecommitdiff
path: root/include/kvm
diff options
context:
space:
mode:
authorThomas Zimmermann <tzimmermann@suse.de>2022-07-14 09:57:37 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2022-07-14 09:57:37 +0200
commitf83d9396d1f63048c423efa00e4e244da10a35fd (patch)
tree48da2cf9b20cc7049c92dd4a7dd74be11add86e5 /include/kvm
parent5ee8c8f930ba7d20717c4fc2d9f1ce0e757d1155 (diff)
parent0180290abb5ce5c870f84a00ffeda5802f641dce (diff)
Merge drm/drm-next into drm-misc-next-fixes
Backmerging from drm/drm-next for the final fixes that will go into v5.20. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'include/kvm')
-rw-r--r--include/kvm/arm_arch_timer.h2
-rw-r--r--include/kvm/arm_hypercalls.h8
-rw-r--r--include/kvm/arm_pmu.h34
-rw-r--r--include/kvm/arm_psci.h7
-rw-r--r--include/kvm/arm_vgic.h8
5 files changed, 46 insertions, 13 deletions
diff --git a/include/kvm/arm_arch_timer.h b/include/kvm/arm_arch_timer.h
index 51c19381108c..cd6d8f260eab 100644
--- a/include/kvm/arm_arch_timer.h
+++ b/include/kvm/arm_arch_timer.h
@@ -76,8 +76,6 @@ int kvm_arm_timer_set_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr);
int kvm_arm_timer_get_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr);
int kvm_arm_timer_has_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr);
-bool kvm_timer_is_pending(struct kvm_vcpu *vcpu);
-
u64 kvm_phys_timer_read(void);
void kvm_timer_vcpu_load(struct kvm_vcpu *vcpu);
diff --git a/include/kvm/arm_hypercalls.h b/include/kvm/arm_hypercalls.h
index 0e2509d27910..1188f116cf4e 100644
--- a/include/kvm/arm_hypercalls.h
+++ b/include/kvm/arm_hypercalls.h
@@ -40,4 +40,12 @@ static inline void smccc_set_retval(struct kvm_vcpu *vcpu,
vcpu_set_reg(vcpu, 3, a3);
}
+struct kvm_one_reg;
+
+void kvm_arm_init_hypercalls(struct kvm *kvm);
+int kvm_arm_get_fw_num_regs(struct kvm_vcpu *vcpu);
+int kvm_arm_copy_fw_reg_indices(struct kvm_vcpu *vcpu, u64 __user *uindices);
+int kvm_arm_get_fw_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg);
+int kvm_arm_set_fw_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg);
+
#endif
diff --git a/include/kvm/arm_pmu.h b/include/kvm/arm_pmu.h
index 20193416d214..c0b868ce6a8f 100644
--- a/include/kvm/arm_pmu.h
+++ b/include/kvm/arm_pmu.h
@@ -20,13 +20,19 @@ struct kvm_pmc {
struct perf_event *perf_event;
};
+struct kvm_pmu_events {
+ u32 events_host;
+ u32 events_guest;
+};
+
struct kvm_pmu {
- int irq_num;
+ struct irq_work overflow_work;
+ struct kvm_pmu_events events;
struct kvm_pmc pmc[ARMV8_PMU_MAX_COUNTERS];
DECLARE_BITMAP(chained, ARMV8_PMU_MAX_COUNTER_PAIRS);
+ int irq_num;
bool created;
bool irq_level;
- struct irq_work overflow_work;
};
struct arm_pmu_entry {
@@ -66,6 +72,25 @@ int kvm_arm_pmu_v3_get_attr(struct kvm_vcpu *vcpu,
int kvm_arm_pmu_v3_has_attr(struct kvm_vcpu *vcpu,
struct kvm_device_attr *attr);
int kvm_arm_pmu_v3_enable(struct kvm_vcpu *vcpu);
+
+struct kvm_pmu_events *kvm_get_pmu_events(void);
+void kvm_vcpu_pmu_restore_guest(struct kvm_vcpu *vcpu);
+void kvm_vcpu_pmu_restore_host(struct kvm_vcpu *vcpu);
+
+#define kvm_vcpu_has_pmu(vcpu) \
+ (test_bit(KVM_ARM_VCPU_PMU_V3, (vcpu)->arch.features))
+
+/*
+ * Updates the vcpu's view of the pmu events for this cpu.
+ * Must be called before every vcpu run after disabling interrupts, to ensure
+ * that an interrupt cannot fire and update the structure.
+ */
+#define kvm_pmu_update_vcpu_events(vcpu) \
+ do { \
+ if (!has_vhe() && kvm_vcpu_has_pmu(vcpu)) \
+ vcpu->arch.pmu.events = *kvm_get_pmu_events(); \
+ } while (0)
+
#else
struct kvm_pmu {
};
@@ -127,6 +152,11 @@ static inline u64 kvm_pmu_get_pmceid(struct kvm_vcpu *vcpu, bool pmceid1)
return 0;
}
+#define kvm_vcpu_has_pmu(vcpu) ({ false; })
+static inline void kvm_pmu_update_vcpu_events(struct kvm_vcpu *vcpu) {}
+static inline void kvm_vcpu_pmu_restore_guest(struct kvm_vcpu *vcpu) {}
+static inline void kvm_vcpu_pmu_restore_host(struct kvm_vcpu *vcpu) {}
+
#endif
#endif
diff --git a/include/kvm/arm_psci.h b/include/kvm/arm_psci.h
index 68b96c3826c3..6e55b9283789 100644
--- a/include/kvm/arm_psci.h
+++ b/include/kvm/arm_psci.h
@@ -39,11 +39,4 @@ static inline int kvm_psci_version(struct kvm_vcpu *vcpu)
int kvm_psci_call(struct kvm_vcpu *vcpu);
-struct kvm_one_reg;
-
-int kvm_arm_get_fw_num_regs(struct kvm_vcpu *vcpu);
-int kvm_arm_copy_fw_reg_indices(struct kvm_vcpu *vcpu, u64 __user *uindices);
-int kvm_arm_get_fw_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg);
-int kvm_arm_set_fw_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg);
-
#endif /* __KVM_ARM_PSCI_H__ */
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index bb30a6803d9f..2d8f2e90edc2 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -231,6 +231,9 @@ struct vgic_dist {
/* Implementation revision as reported in the GICD_IIDR */
u32 implementation_rev;
+#define KVM_VGIC_IMP_REV_2 2 /* GICv2 restorable groups */
+#define KVM_VGIC_IMP_REV_3 3 /* GICv3 GICR_CTLR.{IW,CES,RWP} */
+#define KVM_VGIC_IMP_REV_LATEST KVM_VGIC_IMP_REV_3
/* Userspace can write to GICv2 IGROUPR */
bool v2_groups_user_writable;
@@ -344,11 +347,12 @@ struct vgic_cpu {
struct vgic_io_device rd_iodev;
struct vgic_redist_region *rdreg;
u32 rdreg_index;
+ atomic_t syncr_busy;
/* Contains the attributes and gpa of the LPI pending tables. */
u64 pendbaser;
-
- bool lpis_enabled;
+ /* GICR_CTLR.{ENABLE_LPIS,RWP} */
+ atomic_t ctlr;
/* Cache guest priority bits */
u32 num_pri_bits;