summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--linux-headers/asm-powerpc/kvm.h2
-rw-r--r--linux-headers/linux/kvm.h37
-rw-r--r--target-ppc/kvm.c10
3 files changed, 28 insertions, 21 deletions
diff --git a/linux-headers/asm-powerpc/kvm.h b/linux-headers/asm-powerpc/kvm.h
index 1f0cb55af5..b921c3f489 100644
--- a/linux-headers/asm-powerpc/kvm.h
+++ b/linux-headers/asm-powerpc/kvm.h
@@ -324,6 +324,6 @@ struct kvm_book3e_206_tlb_params {
__u32 reserved[8];
};
-#define KVM_ONE_REG_PPC_HIOR KVM_ONE_REG_PPC | 0x100
+#define KVM_REG_PPC_HIOR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x1)
#endif /* __LINUX_KVM_POWERPC_H */
diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index 4847813c55..f6b53432db 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -684,30 +684,33 @@ struct kvm_dirty_tlb {
/* Available with KVM_CAP_ONE_REG */
-#define KVM_ONE_REG_GENERIC 0x0000000000000000ULL
+#define KVM_REG_ARCH_MASK 0xff00000000000000ULL
+#define KVM_REG_GENERIC 0x0000000000000000ULL
/*
* Architecture specific registers are to be defined in arch headers and
* ORed with the arch identifier.
*/
-#define KVM_ONE_REG_PPC 0x1000000000000000ULL
-#define KVM_ONE_REG_X86 0x2000000000000000ULL
-#define KVM_ONE_REG_IA64 0x3000000000000000ULL
-#define KVM_ONE_REG_ARM 0x4000000000000000ULL
-#define KVM_ONE_REG_S390 0x5000000000000000ULL
+#define KVM_REG_PPC 0x1000000000000000ULL
+#define KVM_REG_X86 0x2000000000000000ULL
+#define KVM_REG_IA64 0x3000000000000000ULL
+#define KVM_REG_ARM 0x4000000000000000ULL
+#define KVM_REG_S390 0x5000000000000000ULL
+
+#define KVM_REG_SIZE_SHIFT 52
+#define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
+#define KVM_REG_SIZE_U8 0x0000000000000000ULL
+#define KVM_REG_SIZE_U16 0x0010000000000000ULL
+#define KVM_REG_SIZE_U32 0x0020000000000000ULL
+#define KVM_REG_SIZE_U64 0x0030000000000000ULL
+#define KVM_REG_SIZE_U128 0x0040000000000000ULL
+#define KVM_REG_SIZE_U256 0x0050000000000000ULL
+#define KVM_REG_SIZE_U512 0x0060000000000000ULL
+#define KVM_REG_SIZE_U1024 0x0070000000000000ULL
struct kvm_one_reg {
__u64 id;
- union {
- __u8 reg8;
- __u16 reg16;
- __u32 reg32;
- __u64 reg64;
- __u8 reg128[16];
- __u8 reg256[32];
- __u8 reg512[64];
- __u8 reg1024[128];
- } u;
+ __u64 addr;
};
/*
@@ -850,7 +853,7 @@ struct kvm_s390_ucas_mapping {
/* Available with KVM_CAP_SW_TLB */
#define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
/* Available with KVM_CAP_ONE_REG */
-#define KVM_GET_ONE_REG _IOWR(KVMIO, 0xab, struct kvm_one_reg)
+#define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
#define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index ce8ac5b4de..50cfa02f78 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -740,6 +740,7 @@ void kvmppc_set_papr(CPUState *env)
struct kvm_one_reg reg = {};
struct kvm_sregs sregs = {};
int ret;
+ uint64_t hior = env->spr[SPR_HIOR];
cap.cap = KVM_CAP_PPC_PAPR;
ret = kvm_vcpu_ioctl(env, KVM_ENABLE_CAP, &cap);
@@ -755,11 +756,14 @@ void kvmppc_set_papr(CPUState *env)
* Once we have qdev CPUs, move HIOR to a qdev property and
* remove this chunk.
*/
- reg.id = KVM_ONE_REG_PPC_HIOR;
- reg.u.reg64 = env->spr[SPR_HIOR];
+ reg.id = KVM_REG_PPC_HIOR;
+ reg.addr = (uintptr_t)&hior;
ret = kvm_vcpu_ioctl(env, KVM_SET_ONE_REG, &reg);
if (ret) {
- goto fail;
+ fprintf(stderr, "Couldn't set HIOR. Maybe you're running an old \n"
+ "kernel with support for HV KVM but no PAPR PR \n"
+ "KVM in which case things will work. If they don't \n"
+ "please update your host kernel!\n");
}
/* Set SDR1 so kernel space finds the HTAB */