These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / arch / powerpc / include / asm / kvm_host.h

diff --git a/kernel/arch/powerpc/include/asm/kvm_host.h b/kernel/arch/powerpc/include/asm/kvm_host.h
index a1ddf40..f8673ff 100644 (file)
--- a/kernel/arch/powerpc/include/asm/kvm_host.h
+++ b/kernel/arch/powerpc/include/asm/kvm_host.h
@@ -44,6 +44,7 @@
 #ifdef CONFIG_KVM_MMIO
 #define KVM_COALESCED_MMIO_PAGE_OFFSET 1
 #endif
+#define KVM_HALT_POLL_NS_DEFAULT 500000
 
 /* These values are internal and can be increased later */
 #define KVM_NR_IRQCHIPS          1
@@ -108,6 +109,7 @@ struct kvm_vcpu_stat {
        u32 dec_exits;
        u32 ext_intr_exits;
        u32 halt_successful_poll;
+       u32 halt_attempted_poll;
        u32 halt_wakeup;
        u32 dbell_exits;
        u32 gdbell_exits;
@@ -205,8 +207,10 @@ struct revmap_entry {
  */
 #define KVMPPC_RMAP_LOCK_BIT   63
 #define KVMPPC_RMAP_RC_SHIFT   32
+#define KVMPPC_RMAP_CHG_SHIFT  48
 #define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT)
 #define KVMPPC_RMAP_CHANGED    (HPTE_R_C << KVMPPC_RMAP_RC_SHIFT)
+#define KVMPPC_RMAP_CHG_ORDER  (0x3ful << KVMPPC_RMAP_CHG_SHIFT)
 #define KVMPPC_RMAP_PRESENT    0x100000000ul
 #define KVMPPC_RMAP_INDEX      0xfffffffful
 
@@ -278,9 +282,11 @@ struct kvmppc_vcore {
        u16 last_cpu;
        u8 vcore_state;
        u8 in_guest;
+       struct kvmppc_vcore *master_vcore;
        struct list_head runnable_threads;
+       struct list_head preempt_list;
        spinlock_t lock;
-       struct swait_head wq;
+       struct swait_queue_head wq;
        spinlock_t stoltb_lock; /* protects stolen_tb and preempt_tb */
        u64 stolen_tb;
        u64 preempt_tb;
@@ -291,8 +297,6 @@ struct kvmppc_vcore {
        u32 arch_compat;
        ulong pcr;
        ulong dpdes;            /* doorbell state (POWER8) */
-       void *mpp_buffer; /* Micro Partition Prefetch buffer */
-       bool mpp_buffer_is_valid;
        ulong conferring_threads;
 };
 
@@ -300,12 +304,21 @@ struct kvmppc_vcore {
 #define VCORE_EXIT_MAP(vc)     ((vc)->entry_exit_map >> 8)
 #define VCORE_IS_EXITING(vc)   (VCORE_EXIT_MAP(vc) != 0)
 
-/* Values for vcore_state */
+/* This bit is used when a vcore exit is triggered from outside the vcore */
+#define VCORE_EXIT_REQ         0x10000
+
+/*
+ * Values for vcore_state.
+ * Note that these are arranged such that lower values
+ * (< VCORE_SLEEPING) don't require stolen time accounting
+ * on load/unload, and higher values do.
+ */
 #define VCORE_INACTIVE 0
-#define VCORE_SLEEPING 1
-#define VCORE_PREEMPT  2
-#define VCORE_RUNNING  3
-#define VCORE_EXITING  4
+#define VCORE_PREEMPT  1
+#define VCORE_PIGGYBACK        2
+#define VCORE_SLEEPING 3
+#define VCORE_RUNNING  4
+#define VCORE_EXITING  5
 
 /*
  * Struct used to manage memory for a virtual processor area
@@ -473,7 +486,7 @@ struct kvm_vcpu_arch {
        ulong ciabr;
        ulong cfar;
        ulong ppr;
-       ulong pspb;
+       u32 pspb;
        ulong fscr;
        ulong shadow_fscr;
        ulong ebbhr;
@@ -613,12 +626,13 @@ struct kvm_vcpu_arch {
        u8 prodded;
        u32 last_inst;
 
-       struct swait_head *wqp;
+       struct swait_queue_head *wqp;
        struct kvmppc_vcore *vcore;
        int ret;
        int trap;
        int state;
        int ptid;
+       int thread_cpu;
        bool timer_running;
        wait_queue_head_t cpu_run;
 
@@ -698,9 +712,11 @@ struct kvm_vcpu_arch {
 static inline void kvm_arch_hardware_disable(void) {}
 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) {}
+static inline void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) {}
 static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {}
 static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
 static inline void kvm_arch_exit(void) {}
+static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}
+static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {}
 
 #endif /* __POWERPC_KVM_HOST_H__ */