Merge branch 'kvm-updates/3.2' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm

* 'kvm-updates/3.2' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: (75 commits)
  KVM: SVM: Keep intercepting task switching with NPT enabled
  KVM: s390: implement sigp external call
  KVM: s390: fix register setting
  KVM: s390: fix return value of kvm_arch_init_vm
  KVM: s390: check cpu_id prior to using it
  KVM: emulate lapic tsc deadline timer for guest
  x86: TSC deadline definitions
  KVM: Fix simultaneous NMIs
  KVM: x86 emulator: convert push %sreg/pop %sreg to direct decode
  KVM: x86 emulator: switch lds/les/lss/lfs/lgs to direct decode
  KVM: x86 emulator: streamline decode of segment registers
  KVM: x86 emulator: simplify OpMem64 decode
  KVM: x86 emulator: switch src decode to decode_operand()
  KVM: x86 emulator: qualify OpReg inhibit_byte_regs hack
  KVM: x86 emulator: switch OpImmUByte decode to decode_imm()
  KVM: x86 emulator: free up some flag bits near src, dst
  KVM: x86 emulator: switch src2 to generic decode_operand()
  KVM: x86 emulator: expand decode flags to 64 bits
  KVM: x86 emulator: split dst decode to a generic decode_operand()
  KVM: x86 emulator: move memop, memopp into emulation context
  ...

5 files changed, 71 insertions, 15 deletions

diff --git a/arch/powerpc/include/asm/kvm.h b/arch/powerpc/include/asm/kvm.h
index a4f6c85431f8..08fe69edcd10 100644
--- a/arch/powerpc/include/asm/kvm.h
+++ b/arch/powerpc/include/asm/kvm.h
@@ -149,6 +149,12 @@ struct kvm_regs {
 #define KVM_SREGS_E_UPDATE_DBSR         (1 << 3)
 
 /*
+ * Book3S special bits to indicate contents in the struct by maintaining
+ * backwards compatibility with older structs. If adding a new field,
+ * please make sure to add a flag for that new field */
+#define KVM_SREGS_S_HIOR                (1 << 0)
+
+/*
  * In KVM_SET_SREGS, reserved/pad fields must be left untouched from a
  * previous KVM_GET_REGS.
  *
@@ -173,6 +179,8 @@ struct kvm_sregs {
                                 __u64 ibat[8]; 
                                 __u64 dbat[8]; 
                         } ppc32;
+                        __u64 flags; /* KVM_SREGS_S_ */
+                        __u64 hior;
                 } s;
                 struct {
                         union {
@@ -276,6 +284,11 @@ struct kvm_guest_debug_arch {
 #define KVM_INTERRUPT_UNSET     -2U
 #define KVM_INTERRUPT_SET_LEVEL -3U
 
+#define KVM_CPU_440             1
+#define KVM_CPU_E500V2          2
+#define KVM_CPU_3S_32           3
+#define KVM_CPU_3S_64           4
+
 /* for KVM_CAP_SPAPR_TCE */
 struct kvm_create_spapr_tce {
         __u64 liobn;
diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index 98da010252a3..a384ffdf33de 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -90,6 +90,8 @@ struct kvmppc_vcpu_book3s {
 #endif
         int context_id[SID_CONTEXTS];
 
+        bool hior_sregs;                /* HIOR is set by SREGS, not PVR */
+
         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];
@@ -139,15 +141,14 @@ 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 void kvmppc_handler_lowmem_trampoline(void);
-extern void kvmppc_handler_trampoline_enter(void);
-extern void kvmppc_rmcall(ulong srr0, ulong srr1);
+extern void kvmppc_entry_trampoline(void);
 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);
 extern u32 kvmppc_alignment_dsisr(struct kvm_vcpu *vcpu, unsigned int inst);
 extern ulong kvmppc_alignment_dar(struct kvm_vcpu *vcpu, unsigned int inst);
+extern int kvmppc_h_pr(struct kvm_vcpu *vcpu, unsigned long cmd);
 
 static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu)
 {
@@ -382,6 +383,39 @@ static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu)
 }
 #endif
 
+static inline unsigned long compute_tlbie_rb(unsigned long v, unsigned long r,
+                                             unsigned long pte_index)
+{
+        unsigned long rb, va_low;
+
+        rb = (v & ~0x7fUL) << 16;               /* AVA field */
+        va_low = pte_index >> 3;
+        if (v & HPTE_V_SECONDARY)
+                va_low = ~va_low;
+        /* xor vsid from AVA */
+        if (!(v & HPTE_V_1TB_SEG))
+                va_low ^= v >> 12;
+        else
+                va_low ^= v >> 24;
+        va_low &= 0x7ff;
+        if (v & HPTE_V_LARGE) {
+                rb |= 1;                        /* L field */
+                if (cpu_has_feature(CPU_FTR_ARCH_206) &&
+                    (r & 0xff000)) {
+                        /* non-16MB large page, must be 64k */
+                        /* (masks depend on page size) */
+                        rb |= 0x1000;           /* page encoding in LP field */
+                        rb |= (va_low & 0x7f) << 16; /* 7b of VA in AVA/LP field */
+                        rb |= (va_low & 0xfe);  /* AVAL field (P7 doesn't seem to care) */
+                }
+        } else {
+                /* 4kB page */
+                rb |= (va_low & 0x7ff) << 12;   /* remaining 11b of VA */
+        }
+        rb |= (v >> 54) & 0x300;                /* B field */
+        return rb;
+}
+
 /* Magic register values loaded into r3 and r4 before the 'sc' assembly
  * instruction for the OSI hypercalls */
 #define OSI_SC_MAGIC_R3                 0x113724FA
diff --git a/arch/powerpc/include/asm/kvm_book3s_asm.h b/arch/powerpc/include/asm/kvm_book3s_asm.h
index ef7b3688c3b6..1f2f5b6156bd 100644
--- a/arch/powerpc/include/asm/kvm_book3s_asm.h
+++ b/arch/powerpc/include/asm/kvm_book3s_asm.h
@@ -75,6 +75,8 @@ struct kvmppc_host_state {
         ulong scratch0;
         ulong scratch1;
         u8 in_guest;
+        u8 restore_hid5;
+        u8 napping;
 
 #ifdef CONFIG_KVM_BOOK3S_64_HV
         struct kvm_vcpu *kvm_vcpu;
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index cc22b282d755..bf8af5d5d5dc 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -198,21 +198,29 @@ struct kvm_arch {
  */
 struct kvmppc_vcore {
         int n_runnable;
-        int n_blocked;
+        int n_busy;
         int num_threads;
         int entry_exit_count;
         int n_woken;
         int nap_count;
+        int napping_threads;
         u16 pcpu;
-        u8 vcore_running;
+        u8 vcore_state;
         u8 in_guest;
         struct list_head runnable_threads;
         spinlock_t lock;
+        wait_queue_head_t wq;
 };
 
 #define VCORE_ENTRY_COUNT(vc)   ((vc)->entry_exit_count & 0xff)
 #define VCORE_EXIT_COUNT(vc)    ((vc)->entry_exit_count >> 8)
 
+/* Values for vcore_state */
+#define VCORE_INACTIVE  0
+#define VCORE_RUNNING   1
+#define VCORE_EXITING   2
+#define VCORE_SLEEPING  3
+
 struct kvmppc_pte {
         ulong eaddr;
         u64 vpage;
@@ -258,14 +266,6 @@ struct kvm_vcpu_arch {
         ulong host_stack;
         u32 host_pid;
 #ifdef CONFIG_PPC_BOOK3S
-        ulong host_msr;
-        ulong host_r2;
-        void *host_retip;
-        ulong trampoline_lowmem;
-        ulong trampoline_enter;
-        ulong highmem_handler;
-        ulong rmcall;
-        ulong host_paca_phys;
         struct kvmppc_slb slb[64];
         int slb_max;            /* 1 + index of last valid entry in slb[] */
         int slb_nr;             /* total number of entries in SLB */
@@ -389,6 +389,9 @@ struct kvm_vcpu_arch {
         u8 dcr_is_write;
         u8 osi_needed;
         u8 osi_enabled;
+        u8 papr_enabled;
+        u8 sane;
+        u8 cpu_type;
         u8 hcall_needed;
 
         u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */
@@ -408,11 +411,13 @@ struct kvm_vcpu_arch {
         struct dtl *dtl;
         struct dtl *dtl_end;
 
+        wait_queue_head_t *wqp;
         struct kvmppc_vcore *vcore;
         int ret;
         int trap;
         int state;
         int ptid;
+        bool timer_running;
         wait_queue_head_t cpu_run;
 
         struct kvm_vcpu_arch_shared *shared;
@@ -428,8 +433,9 @@ struct kvm_vcpu_arch {
 #endif
 };
 
-#define KVMPPC_VCPU_BUSY_IN_HOST        0
-#define KVMPPC_VCPU_BLOCKED             1
+/* Values for vcpu->arch.state */
+#define KVMPPC_VCPU_STOPPED             0
+#define KVMPPC_VCPU_BUSY_IN_HOST        1
 #define KVMPPC_VCPU_RUNNABLE            2
 
 #endif /* __POWERPC_KVM_HOST_H__ */
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index d121f49d62b8..46efd1a265c9 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -66,6 +66,7 @@ extern int kvmppc_emulate_instruction(struct kvm_run *run,
 extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu);
 extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu);
 extern u32 kvmppc_get_dec(struct kvm_vcpu *vcpu, u64 tb);
+extern int kvmppc_sanity_check(struct kvm_vcpu *vcpu);
 
 /* Core-specific hooks */