Add Book3s fields to vcpu structs

We need to store more information than we currently have for vcpus
when running on Book3s.

So let's extend the internal struct definitions.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 72 insertions, 1 deletions

diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index c9c930ed11d7..2cff5fe0cbe6 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -37,6 +37,8 @@
 #define KVM_NR_PAGE_SIZES       1
 #define KVM_PAGES_PER_HPAGE(x)  (1UL<<31)
 
+#define HPTEG_CACHE_NUM 1024
+
 struct kvm;
 struct kvm_run;
 struct kvm_vcpu;
@@ -63,6 +65,17 @@ struct kvm_vcpu_stat {
         u32 dec_exits;
         u32 ext_intr_exits;
         u32 halt_wakeup;
+#ifdef CONFIG_PPC64
+        u32 pf_storage;
+        u32 pf_instruc;
+        u32 sp_storage;
+        u32 sp_instruc;
+        u32 queue_intr;
+        u32 ld;
+        u32 ld_slow;
+        u32 st;
+        u32 st_slow;
+#endif
 };
 
 enum kvm_exit_types {
@@ -109,9 +122,53 @@ struct kvmppc_exit_timing {
 struct kvm_arch {
 };
 
+struct kvmppc_pte {
+        u64 eaddr;
+        u64 vpage;
+        u64 raddr;
+        bool may_read;
+        bool may_write;
+        bool may_execute;
+};
+
+struct kvmppc_mmu {
+        /* book3s_64 only */
+        void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs);
+        u64  (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr);
+        u64  (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr);
+        void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr);
+        void (*slbia)(struct kvm_vcpu *vcpu);
+        /* book3s */
+        void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value);
+        u32  (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum);
+        int  (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, struct kvmppc_pte *pte, bool data);
+        void (*reset_msr)(struct kvm_vcpu *vcpu);
+        void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large);
+        int  (*esid_to_vsid)(struct kvm_vcpu *vcpu, u64 esid, u64 *vsid);
+        u64  (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data);
+        bool (*is_dcbz32)(struct kvm_vcpu *vcpu);
+};
+
+struct hpte_cache {
+        u64 host_va;
+        u64 pfn;
+        ulong slot;
+        struct kvmppc_pte pte;
+};
+
 struct kvm_vcpu_arch {
-        u32 host_stack;
+        ulong host_stack;
         u32 host_pid;
+#ifdef CONFIG_PPC64
+        ulong host_msr;
+        ulong host_r2;
+        void *host_retip;
+        ulong trampoline_lowmem;
+        ulong trampoline_enter;
+        ulong highmem_handler;
+        ulong host_paca_phys;
+        struct kvmppc_mmu mmu;
+#endif
 
         u64 fpr[32];
         ulong gpr[32];
@@ -123,6 +180,10 @@ struct kvm_vcpu_arch {
         ulong xer;
 
         ulong msr;
+#ifdef CONFIG_PPC64
+        ulong shadow_msr;
+        ulong hflags;
+#endif
         u32 mmucr;
         ulong sprg0;
         ulong sprg1;
@@ -149,6 +210,7 @@ struct kvm_vcpu_arch {
         u32 ivor[64];
         ulong ivpr;
         u32 pir;
+        u32 pvr;
 
         u32 shadow_pid;
         u32 pid;
@@ -174,6 +236,9 @@ struct kvm_vcpu_arch {
 #endif
 
         u32 last_inst;
+#ifdef CONFIG_PPC64
+        ulong fault_dsisr;
+#endif
         ulong fault_dear;
         ulong fault_esr;
         gpa_t paddr_accessed;
@@ -186,7 +251,13 @@ struct kvm_vcpu_arch {
         u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */
 
         struct timer_list dec_timer;
+        u64 dec_jiffies;
         unsigned long pending_exceptions;
+
+#ifdef CONFIG_PPC64
+        struct hpte_cache hpte_cache[HPTEG_CACHE_NUM];
+        int hpte_cache_offset;
+#endif
 };
 
 #endif /* __POWERPC_KVM_HOST_H__ */