diff options
| author | Roman Kagan <rkagan@virtuozzo.com> | 2018-09-21 11:22:09 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-10-19 13:44:14 +0200 |
| commit | 606c34bfd57a0ecda67b395bea022bb307a5384e (patch) | |
| tree | 448b94dd535847b0cd358a13332e46085d563c6f /target/i386/hyperv.c | |
| parent | 729ce7e1b6b6e035012544f51878d1ef5864bf39 (diff) | |
hyperv: qom-ify SynIC
Make Hyper-V SynIC a device which is attached as a child to a CPU. For
now it only makes SynIC visibile in the qom hierarchy, and maintains its
internal fields in sync with the respecitve msrs of the parent cpu (the
fields will be used in followup patches).
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Message-Id: <20180921082217.29481-3-rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target/i386/hyperv.c')
| -rw-r--r-- | target/i386/hyperv.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/target/i386/hyperv.c b/target/i386/hyperv.c index 1eac727774..0216735d67 100644 --- a/target/i386/hyperv.c +++ b/target/i386/hyperv.c @@ -16,6 +16,28 @@ #include "hw/hyperv/hyperv.h" #include "hyperv-proto.h" +int hyperv_x86_synic_add(X86CPU *cpu) +{ + hyperv_synic_add(CPU(cpu)); + return 0; +} + +void hyperv_x86_synic_reset(X86CPU *cpu) +{ + hyperv_synic_reset(CPU(cpu)); +} + +void hyperv_x86_synic_update(X86CPU *cpu) +{ + CPUX86State *env = &cpu->env; + bool enable = env->msr_hv_synic_control & HV_SYNIC_ENABLE; + hwaddr msg_page_addr = (env->msr_hv_synic_msg_page & HV_SIMP_ENABLE) ? + (env->msr_hv_synic_msg_page & TARGET_PAGE_MASK) : 0; + hwaddr event_page_addr = (env->msr_hv_synic_evt_page & HV_SIEFP_ENABLE) ? + (env->msr_hv_synic_evt_page & TARGET_PAGE_MASK) : 0; + hyperv_synic_update(CPU(cpu), enable, msg_page_addr, event_page_addr); +} + int kvm_hv_handle_exit(X86CPU *cpu, struct kvm_hyperv_exit *exit) { CPUX86State *env = &cpu->env; @@ -44,6 +66,9 @@ int kvm_hv_handle_exit(X86CPU *cpu, struct kvm_hyperv_exit *exit) default: return -1; } + + hyperv_x86_synic_update(cpu); + return 0; case KVM_EXIT_HYPERV_HCALL: { uint16_t code; |