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[RFC PATCH v5 19/52] i386/xen: implement HYPERVISOR_hvm_op
From: |
David Woodhouse |
Subject: |
[RFC PATCH v5 19/52] i386/xen: implement HYPERVISOR_hvm_op |
Date: |
Fri, 30 Dec 2022 12:12:02 +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>
---
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
- [RFC PATCH v5 00/52] Xen support under KVM, David Woodhouse, 2022/12/30
- [RFC PATCH v5 36/52] hw/xen: Implement EVTCHNOP_bind_interdomain, David Woodhouse, 2022/12/30
- [RFC PATCH v5 43/52] hw/xen: Add xen_gnttab device for grant table emulation, David Woodhouse, 2022/12/30
- [RFC PATCH v5 19/52] i386/xen: implement HYPERVISOR_hvm_op,
David Woodhouse <=
- [RFC PATCH v5 46/52] hw/xen: Implement GNTTABOP_query_size, David Woodhouse, 2022/12/30
- [RFC PATCH v5 34/52] hw/xen: Implement EVTCHNOP_send, David Woodhouse, 2022/12/30
- [RFC PATCH v5 13/52] i386/xen: Implement SCHEDOP_poll and SCHEDOP_yield, David Woodhouse, 2022/12/30
- [RFC PATCH v5 08/52] xen-platform: allow its creation with XEN_EMULATE mode, David Woodhouse, 2022/12/30
- [RFC PATCH v5 37/52] hw/xen: Implement EVTCHNOP_bind_vcpu, David Woodhouse, 2022/12/30
- [RFC PATCH v5 11/52] i386/xen: implement HYPERVISOR_xen_version, David Woodhouse, 2022/12/30
- [RFC PATCH v5 18/52] i386/xen: implement XENMEM_add_to_physmap_batch, David Woodhouse, 2022/12/30
- [RFC PATCH v5 51/52] hw/xen: Add xen_xenstore device for xenstore emulation, David Woodhouse, 2022/12/30
- [RFC PATCH v5 03/52] xen: Add XEN_DISABLED mode and make it default, David Woodhouse, 2022/12/30
- [RFC PATCH v5 38/52] hw/xen: Implement EVTCHNOP_reset, David Woodhouse, 2022/12/30