From: Joao Martins <joao.m.mart...@oracle.com> This is when guest queries for support for HVMOP_pagetable_dying.
Signed-off-by: Joao Martins <joao.m.mart...@oracle.com> Signed-off-by: David Woodhouse <d...@amazon.co.uk> --- target/i386/kvm/xen-emu.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/target/i386/kvm/xen-emu.c b/target/i386/kvm/xen-emu.c index 5a969be4cc..6b4d40397c 100644 --- a/target/i386/kvm/xen-emu.c +++ b/target/i386/kvm/xen-emu.c @@ -27,6 +27,7 @@ #include "standard-headers/xen/version.h" #include "standard-headers/xen/sched.h" #include "standard-headers/xen/memory.h" +#include "standard-headers/xen/hvm/hvm_op.h" #include "xen-compat.h" @@ -348,6 +349,19 @@ static bool kvm_xen_hcall_memory_op(struct kvm_xen_exit *exit, X86CPU *cpu, return true; } +static bool kvm_xen_hcall_hvm_op(struct kvm_xen_exit *exit, X86CPU *cpu, + int cmd, uint64_t arg) +{ + switch (cmd) { + case HVMOP_pagetable_dying: + exit->u.hcall.result = -ENOSYS; + return true; + + default: + return false; + } +} + static int kvm_xen_soft_reset(void) { int err; @@ -442,6 +456,9 @@ static bool do_kvm_xen_handle_exit(X86CPU *cpu, struct kvm_xen_exit *exit) case __HYPERVISOR_sched_op: return kvm_xen_hcall_sched_op(exit, cpu, exit->u.hcall.params[0], exit->u.hcall.params[1]); + case __HYPERVISOR_hvm_op: + return kvm_xen_hcall_hvm_op(exit, cpu, exit->u.hcall.params[0], + exit->u.hcall.params[1]); case __HYPERVISOR_memory_op: return kvm_xen_hcall_memory_op(exit, cpu, exit->u.hcall.params[0], exit->u.hcall.params[1]); -- 2.35.3