1 files changed, 7 insertions, 99 deletions

diff --git a/arch/riscv/include/asm/kvm_host.h b/arch/riscv/include/asm/kvm_host.h
index 85cfebc32e4c..d71d3299a335 100644
--- a/arch/riscv/include/asm/kvm_host.h
+++ b/arch/riscv/include/asm/kvm_host.h
@@ -16,6 +16,8 @@
 #include <asm/hwcap.h>
 #include <asm/kvm_aia.h>
 #include <asm/ptrace.h>
+#include <asm/kvm_tlb.h>
+#include <asm/kvm_vmid.h>
 #include <asm/kvm_vcpu_fp.h>
 #include <asm/kvm_vcpu_insn.h>
 #include <asm/kvm_vcpu_sbi.h>
@@ -36,14 +38,16 @@
 #define KVM_REQ_UPDATE_HGATP		KVM_ARCH_REQ(2)
 #define KVM_REQ_FENCE_I			\
 	KVM_ARCH_REQ_FLAGS(3, KVM_REQUEST_WAIT | KVM_REQUEST_NO_WAKEUP)
-#define KVM_REQ_HFENCE_GVMA_VMID_ALL	KVM_REQ_TLB_FLUSH
 #define KVM_REQ_HFENCE_VVMA_ALL		\
 	KVM_ARCH_REQ_FLAGS(4, KVM_REQUEST_WAIT | KVM_REQUEST_NO_WAKEUP)
 #define KVM_REQ_HFENCE			\
 	KVM_ARCH_REQ_FLAGS(5, KVM_REQUEST_WAIT | KVM_REQUEST_NO_WAKEUP)
 #define KVM_REQ_STEAL_UPDATE		KVM_ARCH_REQ(6)
 
+#define __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS_RANGE
+
 #define KVM_HEDELEG_DEFAULT		(BIT(EXC_INST_MISALIGNED) | \
+					 BIT(EXC_INST_ILLEGAL)     | \
 					 BIT(EXC_BREAKPOINT)      | \
 					 BIT(EXC_SYSCALL)         | \
 					 BIT(EXC_INST_PAGE_FAULT) | \
@@ -54,24 +58,6 @@
 					 BIT(IRQ_VS_TIMER) | \
 					 BIT(IRQ_VS_EXT))
 
-enum kvm_riscv_hfence_type {
-	KVM_RISCV_HFENCE_UNKNOWN = 0,
-	KVM_RISCV_HFENCE_GVMA_VMID_GPA,
-	KVM_RISCV_HFENCE_VVMA_ASID_GVA,
-	KVM_RISCV_HFENCE_VVMA_ASID_ALL,
-	KVM_RISCV_HFENCE_VVMA_GVA,
-};
-
-struct kvm_riscv_hfence {
-	enum kvm_riscv_hfence_type type;
-	unsigned long asid;
-	unsigned long order;
-	gpa_t addr;
-	gpa_t size;
-};
-
-#define KVM_RISCV_VCPU_MAX_HFENCE	64
-
 struct kvm_vm_stat {
 	struct kvm_vm_stat_generic generic;
 };
@@ -97,15 +83,6 @@ struct kvm_vcpu_stat {
 struct kvm_arch_memory_slot {
 };
 
-struct kvm_vmid {
-	/*
-	 * Writes to vmid_version and vmid happen with vmid_lock held
-	 * whereas reads happen without any lock held.
-	 */
-	unsigned long vmid_version;
-	unsigned long vmid;
-};
-
 struct kvm_arch {
 	/* G-stage vmid */
 	struct kvm_vmid vmid;
@@ -306,76 +283,8 @@ static inline bool kvm_arch_pmi_in_guest(struct kvm_vcpu *vcpu)
 	return IS_ENABLED(CONFIG_GUEST_PERF_EVENTS) && !!vcpu;
 }
 
-#define KVM_RISCV_GSTAGE_TLB_MIN_ORDER		12
-
-void kvm_riscv_local_hfence_gvma_vmid_gpa(unsigned long vmid,
-					  gpa_t gpa, gpa_t gpsz,
-					  unsigned long order);
-void kvm_riscv_local_hfence_gvma_vmid_all(unsigned long vmid);
-void kvm_riscv_local_hfence_gvma_gpa(gpa_t gpa, gpa_t gpsz,
-				     unsigned long order);
-void kvm_riscv_local_hfence_gvma_all(void);
-void kvm_riscv_local_hfence_vvma_asid_gva(unsigned long vmid,
-					  unsigned long asid,
-					  unsigned long gva,
-					  unsigned long gvsz,
-					  unsigned long order);
-void kvm_riscv_local_hfence_vvma_asid_all(unsigned long vmid,
-					  unsigned long asid);
-void kvm_riscv_local_hfence_vvma_gva(unsigned long vmid,
-				     unsigned long gva, unsigned long gvsz,
-				     unsigned long order);
-void kvm_riscv_local_hfence_vvma_all(unsigned long vmid);
-
-void kvm_riscv_local_tlb_sanitize(struct kvm_vcpu *vcpu);
-
-void kvm_riscv_fence_i_process(struct kvm_vcpu *vcpu);
-void kvm_riscv_hfence_gvma_vmid_all_process(struct kvm_vcpu *vcpu);
-void kvm_riscv_hfence_vvma_all_process(struct kvm_vcpu *vcpu);
-void kvm_riscv_hfence_process(struct kvm_vcpu *vcpu);
-
-void kvm_riscv_fence_i(struct kvm *kvm,
-		       unsigned long hbase, unsigned long hmask);
-void kvm_riscv_hfence_gvma_vmid_gpa(struct kvm *kvm,
-				    unsigned long hbase, unsigned long hmask,
-				    gpa_t gpa, gpa_t gpsz,
-				    unsigned long order);
-void kvm_riscv_hfence_gvma_vmid_all(struct kvm *kvm,
-				    unsigned long hbase, unsigned long hmask);
-void kvm_riscv_hfence_vvma_asid_gva(struct kvm *kvm,
-				    unsigned long hbase, unsigned long hmask,
-				    unsigned long gva, unsigned long gvsz,
-				    unsigned long order, unsigned long asid);
-void kvm_riscv_hfence_vvma_asid_all(struct kvm *kvm,
-				    unsigned long hbase, unsigned long hmask,
-				    unsigned long asid);
-void kvm_riscv_hfence_vvma_gva(struct kvm *kvm,
-			       unsigned long hbase, unsigned long hmask,
-			       unsigned long gva, unsigned long gvsz,
-			       unsigned long order);
-void kvm_riscv_hfence_vvma_all(struct kvm *kvm,
-			       unsigned long hbase, unsigned long hmask);
-
-int kvm_riscv_gstage_ioremap(struct kvm *kvm, gpa_t gpa,
-			     phys_addr_t hpa, unsigned long size,
-			     bool writable, bool in_atomic);
-void kvm_riscv_gstage_iounmap(struct kvm *kvm, gpa_t gpa,
-			      unsigned long size);
-int kvm_riscv_gstage_map(struct kvm_vcpu *vcpu,
-			 struct kvm_memory_slot *memslot,
-			 gpa_t gpa, unsigned long hva, bool is_write);
-int kvm_riscv_gstage_alloc_pgd(struct kvm *kvm);
-void kvm_riscv_gstage_free_pgd(struct kvm *kvm);
-void kvm_riscv_gstage_update_hgatp(struct kvm_vcpu *vcpu);
-void __init kvm_riscv_gstage_mode_detect(void);
-unsigned long __init kvm_riscv_gstage_mode(void);
-int kvm_riscv_gstage_gpa_bits(void);
-
-void __init kvm_riscv_gstage_vmid_detect(void);
-unsigned long kvm_riscv_gstage_vmid_bits(void);
-int kvm_riscv_gstage_vmid_init(struct kvm *kvm);
-bool kvm_riscv_gstage_vmid_ver_changed(struct kvm_vmid *vmid);
-void kvm_riscv_gstage_vmid_update(struct kvm_vcpu *vcpu);
+static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}
+static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {}
 
 int kvm_riscv_setup_default_irq_routing(struct kvm *kvm, u32 lines);
 
@@ -412,7 +321,6 @@ void __kvm_riscv_vcpu_power_on(struct kvm_vcpu *vcpu);
 void kvm_riscv_vcpu_power_on(struct kvm_vcpu *vcpu);
 bool kvm_riscv_vcpu_stopped(struct kvm_vcpu *vcpu);
 
-void kvm_riscv_vcpu_sbi_sta_reset(struct kvm_vcpu *vcpu);
 void kvm_riscv_vcpu_record_steal_time(struct kvm_vcpu *vcpu);
 
 #endif /* __RISCV_KVM_HOST_H__ */