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[PATCH v10 19/59] i386/xen: implement HYPERVISOR_hvm_op
From: |
David Woodhouse |
Subject: |
[PATCH v10 19/59] i386/xen: implement HYPERVISOR_hvm_op |
Date: |
Wed, 1 Feb 2023 14:31:08 +0000 |
From: Joao Martins <joao.m.martins@oracle.com>
This is when guest queries for support for HVMOP_pagetable_dying.
Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
---
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 2b235e7b27..4002b1b797 100644
--- a/target/i386/kvm/xen-emu.c
+++ b/target/i386/kvm/xen-emu.c
@@ -26,6 +26,7 @@
#include "hw/xen/interface/version.h"
#include "hw/xen/interface/sched.h"
#include "hw/xen/interface/memory.h"
+#include "hw/xen/interface/hvm/hvm_op.h"
#include "xen-compat.h"
@@ -349,6 +350,19 @@ 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;
+ }
+}
+
int kvm_xen_soft_reset(void)
{
int err;
@@ -450,6 +464,9 @@ 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]);
--
2.39.0
- Re: [PATCH v10 35/59] hw/xen: Implement EVTCHNOP_alloc_unbound, (continued)
[PATCH v10 51/59] hw/xen: Add xen_xenstore device for xenstore emulation, David Woodhouse, 2023/02/01
[PATCH v10 47/59] i386/xen: handle PV timer hypercalls, David Woodhouse, 2023/02/01
[PATCH v10 02/59] xen: add CONFIG_XEN_BUS and CONFIG_XEN_EMU options for Xen emulation, David Woodhouse, 2023/02/01
[PATCH v10 19/59] i386/xen: implement HYPERVISOR_hvm_op,
David Woodhouse <=
[PATCH v10 41/59] hw/xen: Support HVM_PARAM_CALLBACK_TYPE_PCI_INTX callback, David Woodhouse, 2023/02/01
[PATCH v10 39/59] i386/xen: add monitor commands to test event injection, David Woodhouse, 2023/02/01
[PATCH v10 57/59] hw/xen: Support MSI mapping to PIRQ, David Woodhouse, 2023/02/01
[PATCH v10 01/59] include: import Xen public headers to hw/xen/interface, David Woodhouse, 2023/02/01
[PATCH v10 50/59] hw/xen: Add backend implementation of interdomain event channel support, David Woodhouse, 2023/02/01