[RFC PATCH v3 07/16] KVM: arm64: Define SPE data structure for each VCPU
From: Alexandru Elisei <hidden>
Date: 2020-10-27 17:29:19
Also in:
kvmarm
Subsystem:
arm64 port (aarch64 architecture), kernel virtual machine for arm64 (kvm/arm64), the rest · Maintainers:
Catalin Marinas, Will Deacon, Marc Zyngier, Oliver Upton, Linus Torvalds
From: Sudeep Holla <redacted> Define basic struct for supporting SPE for guest VCPUs. [Andrew M: Add irq_level, rename irq to irq_num for kvm_spe ] [Alexandru E: Reworked patch ] Signed-off-by: Sudeep Holla <redacted> Signed-off-by: Andrew Murray <redacted> Signed-off-by: Alexandru Elisei <redacted> --- arch/arm64/include/asm/kvm_host.h | 2 ++ include/kvm/arm_spe.h | 9 +++++++++ 2 files changed, 11 insertions(+)
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index 43eee197764f..5b68c06930c6 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h@@ -35,6 +35,7 @@ #include <kvm/arm_vgic.h> #include <kvm/arm_arch_timer.h> #include <kvm/arm_pmu.h> +#include <kvm/arm_spe.h> #define KVM_MAX_VCPUS VGIC_V3_MAX_CPUS
@@ -329,6 +330,7 @@ struct kvm_vcpu_arch { struct vgic_cpu vgic_cpu; struct arch_timer_cpu timer_cpu; struct kvm_pmu pmu; + struct kvm_spe_cpu spe_cpu; /* * Anything that is not used directly from assembly code goes
diff --git a/include/kvm/arm_spe.h b/include/kvm/arm_spe.h
index db51ef15bf45..46ec447ed013 100644
--- a/include/kvm/arm_spe.h
+++ b/include/kvm/arm_spe.h@@ -12,8 +12,17 @@ static inline bool kvm_arm_supports_spe(void) return cpus_have_final_cap(ARM64_SPE); } +struct kvm_spe_cpu { + int irq_num; /* Guest visibile INTID */ + bool irq_level; /* 'true' if interrupt is asserted to the VGIC */ + bool initialized; /* Feature is initialized on VCPU */ +}; + #else #define kvm_arm_supports_spe() false +struct kvm_spe_cpu { +}; + #endif /* CONFIG_KVM_ARM_SPE */ #endif /* __ASM_ARM_KVM_SPE_H */
--
2.29.1
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