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[PATCH v9 18/58] i386/xen: implement HYPERVISOR_hvm_op
From: |
David Woodhouse |
Subject: |
[PATCH v9 18/58] i386/xen: implement HYPERVISOR_hvm_op |
Date: |
Sat, 28 Jan 2023 08:10:33 +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 bd87541125..0b056eb450 100644
--- a/target/i386/kvm/xen-emu.c
+++ b/target/i386/kvm/xen-emu.c
@@ -26,6 +26,7 @@
#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"
@@ -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
- [PATCH v9 26/58] hw/xen: Add xen_evtchn device for event channel emulation, (continued)
- [PATCH v9 26/58] hw/xen: Add xen_evtchn device for event channel emulation, David Woodhouse, 2023/01/28
- [PATCH v9 01/58] include: import Xen public headers to include/standard-headers/, David Woodhouse, 2023/01/28
- [PATCH v9 43/58] hw/xen: Support mapping grant frames, David Woodhouse, 2023/01/28
- [PATCH v9 14/58] i386/xen: add pc_machine_kvm_type to initialize XEN_EMULATE mode, David Woodhouse, 2023/01/28
- [PATCH v9 47/58] i386/xen: Reserve Xen special pages for console, xenstore rings, David Woodhouse, 2023/01/28
- [PATCH v9 22/58] i386/xen: handle VCPUOP_register_runstate_memory_area, David Woodhouse, 2023/01/28
- [PATCH v9 55/58] hw/xen: Implement emulated PIRQ hypercall support, David Woodhouse, 2023/01/28
- [PATCH v9 04/58] i386/kvm: Add xen-version KVM accelerator property and init KVM Xen support, David Woodhouse, 2023/01/28
- [PATCH v9 52/58] hw/xen: Automatically add xen-platform PCI device for emulated Xen guests, David Woodhouse, 2023/01/28
- [PATCH v9 13/58] hw/xen: Add xen_overlay device for emulating shared xenheap pages, David Woodhouse, 2023/01/28
- [PATCH v9 18/58] i386/xen: implement HYPERVISOR_hvm_op,
David Woodhouse <=
- [PATCH v9 49/58] hw/xen: Add backend implementation of interdomain event channel support, David Woodhouse, 2023/01/28
- [PATCH v9 17/58] i386/xen: implement XENMEM_add_to_physmap_batch, David Woodhouse, 2023/01/28
- [PATCH v9 35/58] hw/xen: Implement EVTCHNOP_bind_interdomain, David Woodhouse, 2023/01/28
- [PATCH v9 19/58] i386/xen: implement HYPERVISOR_vcpu_op, David Woodhouse, 2023/01/28
- [PATCH v9 54/58] i386/xen: Implement HYPERVISOR_physdev_op, David Woodhouse, 2023/01/28
- [PATCH v9 06/58] i386/hvm: Set Xen vCPU ID in KVM, David Woodhouse, 2023/01/28
- [PATCH v9 20/58] i386/xen: handle VCPUOP_register_vcpu_info, David Woodhouse, 2023/01/28
- [PATCH v9 31/58] hw/xen: Implement EVTCHNOP_bind_virq, David Woodhouse, 2023/01/28
- [PATCH v9 25/58] i386/xen: implement HVMOP_set_param, David Woodhouse, 2023/01/28
- [PATCH v9 53/58] i386/xen: Document Xen HVM emulation, David Woodhouse, 2023/01/28