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[PATCH 5/7] target/arm/kvm: spe: Add device init and set_irq operations


From: Haibo Xu
Subject: [PATCH 5/7] target/arm/kvm: spe: Add device init and set_irq operations
Date: Fri, 7 Aug 2020 08:10:35 +0000

Signed-off-by: Haibo Xu <haibo.xu@linaro.org>
---
 target/arm/kvm64.c   | 33 +++++++++++++++++++++++++++++++++
 target/arm/kvm_arm.h |  5 +++++
 2 files changed, 38 insertions(+)

diff --git a/target/arm/kvm64.c b/target/arm/kvm64.c
index 75a417d65c..be045ccc5f 100644
--- a/target/arm/kvm64.c
+++ b/target/arm/kvm64.c
@@ -450,6 +450,39 @@ void kvm_arm_pmu_set_irq(CPUState *cs, int irq)
     }   
 }
 
+void kvm_arm_spe_init(CPUState *cs)
+{
+    struct kvm_device_attr attr = {
+        .group = KVM_ARM_VCPU_SPE_V1_CTRL,
+        .attr = KVM_ARM_VCPU_SPE_V1_INIT,
+    };
+
+    if (!ARM_CPU(cs)->has_spe) {
+        return;
+    }
+    if (!kvm_arm_dev_set_attr(cs, &attr)) {
+        error_report("failed to init SPE");
+        abort();
+    }
+}
+
+void kvm_arm_spe_set_irq(CPUState *cs, int irq)
+{
+    struct kvm_device_attr attr = {
+        .group = KVM_ARM_VCPU_SPE_V1_CTRL,
+        .addr = (intptr_t)&irq,
+        .attr = KVM_ARM_VCPU_SPE_V1_IRQ,
+    };
+
+    if (!ARM_CPU(cs)->has_spe) {
+        return;
+    }
+    if (!kvm_arm_dev_set_attr(cs, &attr)) {
+        error_report("failed to set irq for SPE");
+        abort();
+    }
+}
+
 static int read_sys_reg32(int fd, uint32_t *pret, uint64_t id)
 {
     uint64_t ret;
diff --git a/target/arm/kvm_arm.h b/target/arm/kvm_arm.h
index f79655674e..bb155322eb 100644
--- a/target/arm/kvm_arm.h
+++ b/target/arm/kvm_arm.h
@@ -348,6 +348,8 @@ int kvm_arm_vgic_probe(void);

 void kvm_arm_pmu_set_irq(CPUState *cs, int irq);
 void kvm_arm_pmu_init(CPUState *cs);
+void kvm_arm_spe_set_irq(CPUState *cs, int irq);
+void kvm_arm_spe_init(CPUState *cs);
 int kvm_arm_set_irq(int cpu, int irqtype, int irq, int level);

 #else
@@ -397,6 +399,9 @@ static inline int kvm_arm_vgic_probe(void)
 static inline void kvm_arm_pmu_set_irq(CPUState *cs, int irq) {}
 static inline void kvm_arm_pmu_init(CPUState *cs) {}

+static inline void kvm_arm_spe_set_irq(CPUState *cs, int irq) {}
+static inline void kvm_arm_spe_init(CPUState *cs) {}
+
 static inline void kvm_arm_sve_get_vls(CPUState *cs, unsigned long *map) {}

 static inline void kvm_arm_get_virtual_time(CPUState *cs) {}
-- 
2.17.1




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