1 files changed, 163 insertions, 33 deletions

diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index d62e703f1214..98da010252a3 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -24,20 +24,6 @@
 #include <linux/kvm_host.h>
 #include <asm/kvm_book3s_asm.h>
 
-struct kvmppc_slb {
-        u64 esid;
-        u64 vsid;
-        u64 orige;
-        u64 origv;
-        bool valid      : 1;
-        bool Ks         : 1;
-        bool Kp         : 1;
-        bool nx         : 1;
-        bool large      : 1;    /* PTEs are 16MB */
-        bool tb         : 1;    /* 1TB segment */
-        bool class      : 1;
-};
-
 struct kvmppc_bat {
         u64 raw;
         u32 bepi;
@@ -67,11 +53,22 @@ struct kvmppc_sid_map {
 #define VSID_POOL_SIZE  (SID_CONTEXTS * 16)
 #endif
 
+struct hpte_cache {
+        struct hlist_node list_pte;
+        struct hlist_node list_pte_long;
+        struct hlist_node list_vpte;
+        struct hlist_node list_vpte_long;
+        struct rcu_head rcu_head;
+        u64 host_va;
+        u64 pfn;
+        ulong slot;
+        struct kvmppc_pte pte;
+};
+
 struct kvmppc_vcpu_book3s {
         struct kvm_vcpu vcpu;
         struct kvmppc_book3s_shadow_vcpu *shadow_vcpu;
         struct kvmppc_sid_map sid_map[SID_MAP_NUM];
-        struct kvmppc_slb slb[64];
         struct {
                 u64 esid;
                 u64 vsid;
@@ -81,7 +78,6 @@ struct kvmppc_vcpu_book3s {
         struct kvmppc_bat dbat[8];
         u64 hid[6];
         u64 gqr[8];
-        int slb_nr;
         u64 sdr1;
         u64 hior;
         u64 msr_mask;
@@ -93,7 +89,13 @@ struct kvmppc_vcpu_book3s {
         u64 vsid_max;
 #endif
         int context_id[SID_CONTEXTS];
-        ulong prog_flags; /* flags to inject when giving a 700 trap */
+
+        struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE];
+        struct hlist_head hpte_hash_pte_long[HPTEG_HASH_NUM_PTE_LONG];
+        struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE];
+        struct hlist_head hpte_hash_vpte_long[HPTEG_HASH_NUM_VPTE_LONG];
+        int hpte_cache_count;
+        spinlock_t mmu_lock;
 };
 
 #define CONTEXT_HOST            0
@@ -110,8 +112,10 @@ extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, ulong ea, ulong ea_mask)
 extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask);
 extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, ulong pa_start, ulong pa_end);
 extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr);
+extern void kvmppc_set_pvr(struct kvm_vcpu *vcpu, u32 pvr);
 extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu);
 extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu);
+extern void kvmppc_mmu_book3s_hv_init(struct kvm_vcpu *vcpu);
 extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte);
 extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr);
 extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu);
@@ -123,19 +127,22 @@ extern int kvmppc_mmu_hpte_init(struct kvm_vcpu *vcpu);
 extern void kvmppc_mmu_invalidate_pte(struct kvm_vcpu *vcpu, struct hpte_cache *pte);
 extern int kvmppc_mmu_hpte_sysinit(void);
 extern void kvmppc_mmu_hpte_sysexit(void);
+extern int kvmppc_mmu_hv_init(void);
 
 extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data);
 extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data);
 extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec);
+extern void kvmppc_inject_interrupt(struct kvm_vcpu *vcpu, int vec, u64 flags);
 extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat,
                            bool upper, u32 val);
 extern void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr);
 extern int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu);
 extern pfn_t kvmppc_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn);
 
-extern ulong kvmppc_trampoline_lowmem;
-extern ulong kvmppc_trampoline_enter;
+extern void kvmppc_handler_lowmem_trampoline(void);
+extern void kvmppc_handler_trampoline_enter(void);
 extern void kvmppc_rmcall(ulong srr0, ulong srr1);
+extern void kvmppc_hv_entry_trampoline(void);
 extern void kvmppc_load_up_fpu(void);
 extern void kvmppc_load_up_altivec(void);
 extern void kvmppc_load_up_vsx(void);
@@ -147,15 +154,32 @@ static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu)
         return container_of(vcpu, struct kvmppc_vcpu_book3s, vcpu);
 }
 
-static inline ulong dsisr(void)
+extern void kvm_return_point(void);
+
+/* Also add subarch specific defines */
+
+#ifdef CONFIG_KVM_BOOK3S_32_HANDLER
+#include <asm/kvm_book3s_32.h>
+#endif
+#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
+#include <asm/kvm_book3s_64.h>
+#endif
+
+#ifdef CONFIG_KVM_BOOK3S_PR
+
+static inline unsigned long kvmppc_interrupt_offset(struct kvm_vcpu *vcpu)
 {
-        ulong r;
-        asm ( "mfdsisr %0 " : "=r" (r) );
-        return r;
+        return to_book3s(vcpu)->hior;
 }
 
-extern void kvm_return_point(void);
-static inline struct kvmppc_book3s_shadow_vcpu *to_svcpu(struct kvm_vcpu *vcpu);
+static inline void kvmppc_update_int_pending(struct kvm_vcpu *vcpu,
+                        unsigned long pending_now, unsigned long old_pending)
+{
+        if (pending_now)
+                vcpu->arch.shared->int_pending = 1;
+        else if (old_pending)
+                vcpu->arch.shared->int_pending = 0;
+}
 
 static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
 {
@@ -244,6 +268,120 @@ static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
         return to_svcpu(vcpu)->fault_dar;
 }
 
+static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu)
+{
+        ulong crit_raw = vcpu->arch.shared->critical;
+        ulong crit_r1 = kvmppc_get_gpr(vcpu, 1);
+        bool crit;
+
+        /* Truncate crit indicators in 32 bit mode */
+        if (!(vcpu->arch.shared->msr & MSR_SF)) {
+                crit_raw &= 0xffffffff;
+                crit_r1 &= 0xffffffff;
+        }
+
+        /* Critical section when crit == r1 */
+        crit = (crit_raw == crit_r1);
+        /* ... and we're in supervisor mode */
+        crit = crit && !(vcpu->arch.shared->msr & MSR_PR);
+
+        return crit;
+}
+#else /* CONFIG_KVM_BOOK3S_PR */
+
+static inline unsigned long kvmppc_interrupt_offset(struct kvm_vcpu *vcpu)
+{
+        return 0;
+}
+
+static inline void kvmppc_update_int_pending(struct kvm_vcpu *vcpu,
+                        unsigned long pending_now, unsigned long old_pending)
+{
+}
+
+static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
+{
+        vcpu->arch.gpr[num] = val;
+}
+
+static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
+{
+        return vcpu->arch.gpr[num];
+}
+
+static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
+{
+        vcpu->arch.cr = val;
+}
+
+static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
+{
+        return vcpu->arch.cr;
+}
+
+static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
+{
+        vcpu->arch.xer = val;
+}
+
+static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
+{
+        return vcpu->arch.xer;
+}
+
+static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val)
+{
+        vcpu->arch.ctr = val;
+}
+
+static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu)
+{
+        return vcpu->arch.ctr;
+}
+
+static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val)
+{
+        vcpu->arch.lr = val;
+}
+
+static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu)
+{
+        return vcpu->arch.lr;
+}
+
+static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val)
+{
+        vcpu->arch.pc = val;
+}
+
+static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu)
+{
+        return vcpu->arch.pc;
+}
+
+static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu)
+{
+        ulong pc = kvmppc_get_pc(vcpu);
+
+        /* Load the instruction manually if it failed to do so in the
+         * exit path */
+        if (vcpu->arch.last_inst == KVM_INST_FETCH_FAILED)
+                kvmppc_ld(vcpu, &pc, sizeof(u32), &vcpu->arch.last_inst, false);
+
+        return vcpu->arch.last_inst;
+}
+
+static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
+{
+        return vcpu->arch.fault_dar;
+}
+
+static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu)
+{
+        return false;
+}
+#endif
+
 /* Magic register values loaded into r3 and r4 before the 'sc' assembly
  * instruction for the OSI hypercalls */
 #define OSI_SC_MAGIC_R3                 0x113724FA
@@ -251,12 +389,4 @@ static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
 
 #define INS_DCBZ                        0x7c0007ec
 
-/* Also add subarch specific defines */
-
-#ifdef CONFIG_PPC_BOOK3S_32
-#include <asm/kvm_book3s_32.h>
-#else
-#include <asm/kvm_book3s_64.h>
-#endif
-
 #endif /* __ASM_KVM_BOOK3S_H__ */