[PATCH 12/26] KVM: PPC: First magic page steps
From: Alexander Graf <hidden>
Date: 2010-06-25 23:25:23
Also in:
kvm
Subsystem:
kernel virtual machine (kvm), kernel virtual machine for powerpc (kvm/powerpc), kvm paravirt (kvm/paravirt), linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Paolo Bonzini, Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
We will be introducing a method to project the shared page in guest context. As soon as we're talking about this coupling, the shared page is colled magic page. This patch introduces simple defines, so the follow-up patches are easier to read. Signed-off-by: Alexander Graf <redacted> --- arch/powerpc/include/asm/kvm_host.h | 2 ++ include/linux/kvm_para.h | 1 + 2 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index e35c1ac..5f8c214 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h@@ -285,6 +285,8 @@ struct kvm_vcpu_arch { u64 dec_jiffies; unsigned long pending_exceptions; struct kvm_vcpu_arch_shared *shared; + unsigned long magic_page_pa; /* phys addr to map the magic page to */ + unsigned long magic_page_ea; /* effect. addr to map the magic page to */ #ifdef CONFIG_PPC_BOOK3S struct kmem_cache *hpte_cache;
diff --git a/include/linux/kvm_para.h b/include/linux/kvm_para.h
index 3b8080e..ac2015a 100644
--- a/include/linux/kvm_para.h
+++ b/include/linux/kvm_para.h@@ -18,6 +18,7 @@ #define KVM_HC_VAPIC_POLL_IRQ 1 #define KVM_HC_MMU_OP 2 #define KVM_HC_FEATURES 3 +#define KVM_HC_PPC_MAP_MAGIC_PAGE 4 /* * hypercalls use architecture specific
--
1.6.0.2