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Diffstat (limited to 'arch/loongarch/include/asm/kvm_host.h')
-rw-r--r--arch/loongarch/include/asm/kvm_host.h28
1 files changed, 25 insertions, 3 deletions
diff --git a/arch/loongarch/include/asm/kvm_host.h b/arch/loongarch/include/asm/kvm_host.h
index d6bb72424027..a3c4cc46c892 100644
--- a/arch/loongarch/include/asm/kvm_host.h
+++ b/arch/loongarch/include/asm/kvm_host.h
@@ -12,14 +12,20 @@
#include <linux/kvm.h>
#include <linux/kvm_types.h>
#include <linux/mutex.h>
+#include <linux/perf_event.h>
#include <linux/spinlock.h>
#include <linux/threads.h>
#include <linux/types.h>
#include <asm/inst.h>
#include <asm/kvm_mmu.h>
+#include <asm/kvm_ipi.h>
+#include <asm/kvm_eiointc.h>
+#include <asm/kvm_pch_pic.h>
#include <asm/loongarch.h>
+#define __KVM_HAVE_ARCH_INTC_INITIALIZED
+
/* Loongarch KVM register ids */
#define KVM_GET_IOC_CSR_IDX(id) ((id & KVM_CSR_IDX_MASK) >> LOONGARCH_REG_SHIFT)
#define KVM_GET_IOC_CPUCFG_IDX(id) ((id & KVM_CPUCFG_IDX_MASK) >> LOONGARCH_REG_SHIFT)
@@ -44,6 +50,12 @@ struct kvm_vm_stat {
struct kvm_vm_stat_generic generic;
u64 pages;
u64 hugepages;
+ u64 ipi_read_exits;
+ u64 ipi_write_exits;
+ u64 eiointc_read_exits;
+ u64 eiointc_write_exits;
+ u64 pch_pic_read_exits;
+ u64 pch_pic_write_exits;
};
struct kvm_vcpu_stat {
@@ -84,7 +96,7 @@ struct kvm_world_switch {
*
* For LOONGARCH_CSR_CPUID register, max CPUID size if 512
* For IPI hardware, max destination CPUID size 1024
- * For extioi interrupt controller, max destination CPUID size is 256
+ * For eiointc interrupt controller, max destination CPUID size is 256
* For msgint interrupt controller, max supported CPUID size is 65536
*
* Currently max CPUID is defined as 256 for KVM hypervisor, in future
@@ -117,6 +129,9 @@ struct kvm_arch {
s64 time_offset;
struct kvm_context __percpu *vmcs;
+ struct loongarch_ipi *ipi;
+ struct loongarch_eiointc *eiointc;
+ struct loongarch_pch_pic *pch_pic;
};
#define CSR_MAX_NUMS 0x800
@@ -148,6 +163,7 @@ enum emulation_result {
#define LOONGARCH_PV_FEAT_UPDATED BIT_ULL(63)
#define LOONGARCH_PV_FEAT_MASK (BIT(KVM_FEATURE_IPI) | \
BIT(KVM_FEATURE_STEAL_TIME) | \
+ BIT(KVM_FEATURE_USER_HCALL) | \
BIT(KVM_FEATURE_VIRT_EXTIOI))
struct kvm_vcpu_arch {
@@ -161,6 +177,9 @@ struct kvm_vcpu_arch {
/* Pointers stored here for easy accessing from assembly code */
int (*handle_exit)(struct kvm_run *run, struct kvm_vcpu *vcpu);
+ /* GPA (=HVA) of PGD for secondary mmu */
+ unsigned long kvm_pgd;
+
/* Host registers preserved across guest mode execution */
unsigned long host_sp;
unsigned long host_tp;
@@ -221,6 +240,8 @@ struct kvm_vcpu_arch {
int last_sched_cpu;
/* mp state */
struct kvm_mp_state mp_state;
+ /* ipi state */
+ struct ipi_state ipi_state;
/* cpucfg */
u32 cpucfg[KVM_MAX_CPUCFG_REGS];
@@ -272,13 +293,15 @@ static inline int kvm_get_pmu_num(struct kvm_vcpu_arch *arch)
return (arch->cpucfg[6] & CPUCFG6_PMNUM) >> CPUCFG6_PMNUM_SHIFT;
}
+bool kvm_arch_pmi_in_guest(struct kvm_vcpu *vcpu);
+
/* Debug: dump vcpu state */
int kvm_arch_vcpu_dump_regs(struct kvm_vcpu *vcpu);
/* MMU handling */
void kvm_flush_tlb_all(void);
void kvm_flush_tlb_gpa(struct kvm_vcpu *vcpu, unsigned long gpa);
-int kvm_handle_mm_fault(struct kvm_vcpu *vcpu, unsigned long badv, bool write);
+int kvm_handle_mm_fault(struct kvm_vcpu *vcpu, unsigned long badv, bool write, int ecode);
int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end, bool blockable);
int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end);
@@ -303,7 +326,6 @@ static inline bool kvm_is_ifetch_fault(struct kvm_vcpu_arch *arch)
/* Misc */
static inline void kvm_arch_hardware_unsetup(void) {}
-static inline void kvm_arch_sync_events(struct kvm *kvm) {}
static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {}
static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}
static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {}