diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/kvm/arm_vgic.h | 18 | ||||
| -rw-r--r-- | include/linux/amd-iommu.h | 43 | ||||
| -rw-r--r-- | include/linux/kvm_host.h | 4 |
3 files changed, 54 insertions, 11 deletions
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index 19b698e..002f092 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -20,9 +20,11 @@ #include <linux/kvm.h> #include <linux/irqreturn.h> #include <linux/spinlock.h> +#include <linux/static_key.h> #include <linux/types.h> #include <kvm/iodev.h> #include <linux/list.h> +#include <linux/jump_label.h> #define VGIC_V3_MAX_CPUS 255 #define VGIC_V2_MAX_CPUS 8 @@ -49,6 +51,9 @@ struct vgic_global { /* Physical address of vgic virtual cpu interface */ phys_addr_t vcpu_base; + /* GICV mapping */ + void __iomem *vcpu_base_va; + /* virtual control interface mapping */ void __iomem *vctrl_base; @@ -63,6 +68,9 @@ struct vgic_global { /* Only needed for the legacy KVM_CREATE_IRQCHIP */ bool can_emulate_gicv2; + + /* GIC system register CPU interface */ + struct static_key_false gicv3_cpuif; }; extern struct vgic_global kvm_vgic_global_state; @@ -217,7 +225,6 @@ struct vgic_v2_cpu_if { }; struct vgic_v3_cpu_if { -#ifdef CONFIG_KVM_ARM_VGIC_V3 u32 vgic_hcr; u32 vgic_vmcr; u32 vgic_sre; /* Restored only, change ignored */ @@ -227,7 +234,6 @@ struct vgic_v3_cpu_if { u32 vgic_ap0r[4]; u32 vgic_ap1r[4]; u64 vgic_lr[VGIC_V3_MAX_LRS]; -#endif }; struct vgic_cpu { @@ -265,6 +271,8 @@ struct vgic_cpu { bool lpis_enabled; }; +extern struct static_key_false vgic_v2_cpuif_trap; + int kvm_vgic_addr(struct kvm *kvm, unsigned long type, u64 *addr, bool write); void kvm_vgic_early_init(struct kvm *kvm); int kvm_vgic_create(struct kvm *kvm, u32 type); @@ -294,13 +302,7 @@ bool kvm_vcpu_has_pending_irqs(struct kvm_vcpu *vcpu); void kvm_vgic_sync_hwstate(struct kvm_vcpu *vcpu); void kvm_vgic_flush_hwstate(struct kvm_vcpu *vcpu); -#ifdef CONFIG_KVM_ARM_VGIC_V3 void vgic_v3_dispatch_sgi(struct kvm_vcpu *vcpu, u64 reg); -#else -static inline void vgic_v3_dispatch_sgi(struct kvm_vcpu *vcpu, u64 reg) -{ -} -#endif /** * kvm_vgic_get_max_vcpus - Get the maximum number of VCPUs allowed by HW diff --git a/include/linux/amd-iommu.h b/include/linux/amd-iommu.h index 2b08e79..09751d3 100644 --- a/include/linux/amd-iommu.h +++ b/include/linux/amd-iommu.h @@ -22,6 +22,20 @@ #include <linux/types.h> +/* + * This is mainly used to communicate information back-and-forth + * between SVM and IOMMU for setting up and tearing down posted + * interrupt + */ +struct amd_iommu_pi_data { + u32 ga_tag; + u32 prev_ga_tag; + u64 base; + bool is_guest_mode; + struct vcpu_data *vcpu_data; + void *ir_data; +}; + #ifdef CONFIG_AMD_IOMMU struct task_struct; @@ -168,11 +182,34 @@ typedef void (*amd_iommu_invalidate_ctx)(struct pci_dev *pdev, int pasid); extern int amd_iommu_set_invalidate_ctx_cb(struct pci_dev *pdev, amd_iommu_invalidate_ctx cb); - -#else +#else /* CONFIG_AMD_IOMMU */ static inline int amd_iommu_detect(void) { return -ENODEV; } -#endif +#endif /* CONFIG_AMD_IOMMU */ + +#if defined(CONFIG_AMD_IOMMU) && defined(CONFIG_IRQ_REMAP) + +/* IOMMU AVIC Function */ +extern int amd_iommu_register_ga_log_notifier(int (*notifier)(u32)); + +extern int +amd_iommu_update_ga(int cpu, bool is_run, void *data); + +#else /* defined(CONFIG_AMD_IOMMU) && defined(CONFIG_IRQ_REMAP) */ + +static inline int +amd_iommu_register_ga_log_notifier(int (*notifier)(u32)) +{ + return 0; +} + +static inline int +amd_iommu_update_ga(int cpu, bool is_run, void *data) +{ + return 0; +} + +#endif /* defined(CONFIG_AMD_IOMMU) && defined(CONFIG_IRQ_REMAP) */ #endif /* _ASM_X86_AMD_IOMMU_H */ diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 9c28b4d..01c0b9c 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -265,6 +265,7 @@ struct kvm_vcpu { #endif bool preempted; struct kvm_vcpu_arch arch; + struct dentry *debugfs_dentry; }; static inline int kvm_vcpu_exiting_guest_mode(struct kvm_vcpu *vcpu) @@ -749,6 +750,9 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu); void kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu); void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu); +bool kvm_arch_has_vcpu_debugfs(void); +int kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu); + int kvm_arch_hardware_enable(void); void kvm_arch_hardware_disable(void); int kvm_arch_hardware_setup(void); |