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authorGlauber de Oliveira Costa <gcosta@redhat.com>2008-02-15 17:52:47 -0200
committerAvi Kivity <avi@qumranet.com>2008-04-27 11:53:22 +0300
commit18068523d3a0b41fcee5b53cdb437a0ab4d65e4b (patch)
treecbedbd4371cb57c34728137988a7433ae736d79a /include/asm-x86/kvm_host.h
parent24e09cbf480a72f9c952af4ca77b159503dca44b (diff)
KVM: paravirtualized clocksource: host part
This is the host part of kvm clocksource implementation. As it does not include clockevents, it is a fairly simple implementation. We only have to register a per-vcpu area, and start writing to it periodically. The area is binary compatible with xen, as we use the same shadow_info structure. [marcelo: fix bad_page on MSR_KVM_SYSTEM_TIME] [avi: save full value of the msr, even if enable bit is clear] [avi: clear previous value of time_page] Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'include/asm-x86/kvm_host.h')
-rw-r--r--include/asm-x86/kvm_host.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h
index 623249890a0b..90c80fd830fc 100644
--- a/include/asm-x86/kvm_host.h
+++ b/include/asm-x86/kvm_host.h
@@ -262,6 +262,11 @@ struct kvm_vcpu_arch {
/* emulate context */
struct x86_emulate_ctxt emulate_ctxt;
+
+ gpa_t time;
+ struct kvm_vcpu_time_info hv_clock;
+ unsigned int time_offset;
+ struct page *time_page;
};
struct kvm_mem_alias {
@@ -288,6 +293,8 @@ struct kvm_arch{
int round_robin_prev_vcpu;
unsigned int tss_addr;
struct page *apic_access_page;
+
+ gpa_t wall_clock;
};
struct kvm_vm_stat {