---

yaml --- r: 297114 b: refs/heads/master c: 1022fc3 h: refs/heads/master v: v3
git-mirror · Mar 5, 2012 · 1e8525d · 1e8525d
1 parent d274092
commit 1e8525d
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Showing 7 changed files with 24 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e24ed81fedd551e80378be62fa0b0532480ea7d4
+refs/heads/master: 1022fc3d3bfaca09d5d6bfcc93a168de16840814
diff --git a/trunk/Documentation/virtual/kvm/api.txt b/trunk/Documentation/virtual/kvm/api.txt
@@ -1610,6 +1610,7 @@ registers, find a list below:
 
   Arch  |       Register        | Width (bits)
         |                       |
+  PPC   | KVM_REG_PPC_HIOR      | 64
 
 4.69 KVM_GET_ONE_REG
 

diff --git a/trunk/arch/powerpc/include/asm/kvm.h b/trunk/arch/powerpc/include/asm/kvm.h
@@ -331,4 +331,6 @@ struct kvm_book3e_206_tlb_params {
 	__u32 reserved[8];
 };
 
+#define KVM_REG_PPC_HIOR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x1)
+
 #endif /* __LINUX_KVM_POWERPC_H */
diff --git a/trunk/arch/powerpc/include/asm/kvm_book3s.h b/trunk/arch/powerpc/include/asm/kvm_book3s.h
@@ -90,6 +90,8 @@ struct kvmppc_vcpu_book3s {
 #endif
 	int context_id[SID_CONTEXTS];
 
+	bool hior_explicit;		/* HIOR is set by ioctl, 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];

diff --git a/trunk/arch/powerpc/kvm/book3s_pr.c b/trunk/arch/powerpc/kvm/book3s_pr.c
@@ -157,14 +157,16 @@ void kvmppc_set_pvr(struct kvm_vcpu *vcpu, u32 pvr)
 #ifdef CONFIG_PPC_BOOK3S_64
 	if ((pvr >= 0x330000) && (pvr < 0x70330000)) {
 		kvmppc_mmu_book3s_64_init(vcpu);
-		to_book3s(vcpu)->hior = 0xfff00000;
+		if (!to_book3s(vcpu)->hior_explicit)
+			to_book3s(vcpu)->hior = 0xfff00000;
 		to_book3s(vcpu)->msr_mask = 0xffffffffffffffffULL;
 		vcpu->arch.cpu_type = KVM_CPU_3S_64;
 	} else
 #endif
 	{
 		kvmppc_mmu_book3s_32_init(vcpu);
-		to_book3s(vcpu)->hior = 0;
+		if (!to_book3s(vcpu)->hior_explicit)
+			to_book3s(vcpu)->hior = 0;
 		to_book3s(vcpu)->msr_mask = 0xffffffffULL;
 		vcpu->arch.cpu_type = KVM_CPU_3S_32;
 	}

diff --git a/trunk/arch/powerpc/kvm/powerpc.c b/trunk/arch/powerpc/kvm/powerpc.c
@@ -212,6 +212,7 @@ int kvm_dev_ioctl_check_extension(long ext)
 	case KVM_CAP_PPC_BOOKE_SREGS:
 #else
 	case KVM_CAP_PPC_SEGSTATE:
+	case KVM_CAP_PPC_HIOR:
 	case KVM_CAP_PPC_PAPR:
 #endif
 	case KVM_CAP_PPC_UNSET_IRQ:
@@ -652,6 +653,11 @@ static int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu,
 	int r = -EINVAL;
 
 	switch (reg->id) {
+#ifdef CONFIG_PPC_BOOK3S
+	case KVM_REG_PPC_HIOR:
+		r = put_user(to_book3s(vcpu)->hior, (u64 __user *)reg->addr);
+		break;
+#endif
 	default:
 		break;
 	}
@@ -665,6 +671,13 @@ static int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu,
 	int r = -EINVAL;
 
 	switch (reg->id) {
+#ifdef CONFIG_PPC_BOOK3S
+	case KVM_ONE_REG_PPC_HIOR:
+		r = get_user(to_book3s(vcpu)->hior, (u64 __user *)reg->addr);
+		if (!r)
+			to_book3s(vcpu)->hior_explicit = true;
+		break;
+#endif
 	default:
 		break;
 	}

diff --git a/trunk/include/linux/kvm.h b/trunk/include/linux/kvm.h
@@ -580,6 +580,7 @@ struct kvm_ppc_pvinfo {
 #define KVM_CAP_PPC_SMT 64
 #define KVM_CAP_PPC_RMA	65
 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
+#define KVM_CAP_PPC_HIOR 67
 #define KVM_CAP_PPC_PAPR 68
 #define KVM_CAP_SW_TLB 69
 #define KVM_CAP_ONE_REG 70
-Original file line number
+Diff line change
@@ Expand Up / @@ -1610,6 +1610,7 @@ registers, find a list below: @@
       Arch  |       Register        | Width (bits)
             |                       |
+      PPC   | KVM_REG_PPC_HIOR      | 64
 .69 KVM_GET_ONE_REG
@@ Expand Down @@