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From: Haibo Xu <haibo.xu@linaro.org>
To: drjones@redhat.com, richard.henderson@linaro.org
Cc: peter.maydell@linaro.org, qemu-arm@nongnu.org, philmd@redhat.com,
	qemu-devel@nongnu.org, Haibo Xu <haibo.xu@linaro.org>
Subject: [PATCH v3 06/12] target/arm/kvm: spe: Add device init and set_irq operations
Date: Tue, 15 Sep 2020 03:11:42 +0000	[thread overview]
Message-ID: <cdd78c54073f1bcedef391b3d08b4a520690756f.1600135462.git.haibo.xu@linaro.org> (raw)
In-Reply-To: <cover.1600135462.git.haibo.xu@linaro.org>

Reviewed-by: Andrew Jones <drjones@redhat.com>
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 8ffd31ffdf..5a2032fc9e 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_set_device_attr(cs, &attr, "SPE")) {
+        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_set_device_attr(cs, &attr, "SPE")) {
+        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



  parent reply	other threads:[~2020-09-15  3:16 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-15  3:11 [PATCH v3 00/12] target/arm: Add vSPE support to KVM guest Haibo Xu
2020-09-15  3:11 ` [PATCH v3 01/12] update Linux headers with new vSPE macros Haibo Xu
2020-09-15  3:11 ` [PATCH v3 02/12] target/arm/kvm: spe: Add helper to detect SPE when using KVM Haibo Xu
2020-09-15  3:11 ` [PATCH v3 03/12] target/arm/cpu: spe: Add an option to turn on/off vSPE support Haibo Xu
2020-09-15  6:10   ` Andrew Jones
2020-09-15  7:33     ` Haibo Xu
2020-09-15  3:11 ` [PATCH v3 04/12] target/arm: spe: Only enable SPE from 5.2 compat machines Haibo Xu
2020-09-15  3:11 ` [PATCH v3 05/12] target/arm/kvm: spe: Unify device attr operation helper Haibo Xu
2020-09-15  3:11 ` Haibo Xu [this message]
2020-09-15  3:11 ` [PATCH v3 07/12] hw/arm/virt: Move post cpu realize check into its own function Haibo Xu
2020-09-15  6:22   ` Andrew Jones
2020-09-15  7:03     ` Haibo Xu
2020-09-15  7:31       ` Andrew Jones
2020-09-15  7:34         ` Haibo Xu
2020-09-15  3:11 ` [PATCH v3 08/12] hw/arm/virt: Move kvm pmu setup to virt_cpu_post_init Haibo Xu
2020-09-15  3:11 ` [PATCH v3 09/12] hw/arm/virt: spe: Add vSPE device and corresponding interrupt support Haibo Xu
2020-09-15  3:11 ` [PATCH v3 10/12] target/arm/cpu: spe: Enable spe to work with host cpu Haibo Xu
2020-09-15  6:30   ` Andrew Jones
2020-09-15  3:11 ` [PATCH v3 11/12] target/arm/kvm: spe: Enable userspace irqchip support Haibo Xu
2020-09-15  3:11 ` [PATCH v3 12/12] target/arm: spe: Add corresponding test Haibo Xu

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