From 7ec519cd64ca197f3a67ec03dd1e9f76ecf80bdb Mon Sep 17 00:00:00 2001 From: Joao Martins Date: Mon, 18 Jun 2018 12:21:57 -0400 Subject: [PATCH] i386/xen: implement HYPERVISOR_hvm_op This is when guest queries for support for HVMOP_pagetable_dying. Signed-off-by: Joao Martins --- target/i386/xen.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/target/i386/xen.c b/target/i386/xen.c index 10bb40c417..11ae9107b4 100644 --- a/target/i386/xen.c +++ b/target/i386/xen.c @@ -19,6 +19,7 @@ #include "standard-headers/xen/version.h" #include "standard-headers/xen/memory.h" +#include "standard-headers/xen/hvm/hvm_op.h" #define PAGE_OFFSET 0xffffffff80000000UL #define PAGE_SHIFT 12 @@ -196,11 +197,28 @@ static int kvm_xen_hcall_memory_op(struct kvm_xen_exit *exit, return err ? HCALL_ERR : 0; } +static int kvm_xen_hcall_hvm_op(struct kvm_xen_exit *exit, + int cmd, uint64_t arg) +{ + switch (cmd) { + case HVMOP_pagetable_dying: { + exit->u.hcall.result = -ENOSYS; + return 0; + } + } + + exit->u.hcall.result = -ENOSYS; + return HCALL_ERR; +} + static int __kvm_xen_handle_exit(X86CPU *cpu, struct kvm_xen_exit *exit) { uint16_t code = exit->u.hcall.input; switch (code) { + case __HYPERVISOR_hvm_op: + return kvm_xen_hcall_hvm_op(exit, exit->u.hcall.params[0], + exit->u.hcall.params[1]); case __HYPERVISOR_memory_op: return kvm_xen_hcall_memory_op(exit, exit->u.hcall.params[0], exit->u.hcall.params[1], cpu); -- 2.50.1