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[PATCH v6 18/51] i386/xen: implement HYPERVISOR_hvm_op
From: |
David Woodhouse |
Subject: |
[PATCH v6 18/51] i386/xen: implement HYPERVISOR_hvm_op |
Date: |
Tue, 10 Jan 2023 12:20:09 +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 06fd45d7eb..5005bf848f 100644
--- a/target/i386/kvm/xen-emu.c
+++ b/target/i386/kvm/xen-emu.c
@@ -25,6 +25,7 @@
#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"
@@ -346,6 +347,19 @@ 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;
@@ -440,6 +454,9 @@ 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
- Re: [PATCH v6 38/51] i386/xen: add monitor commands to test event injection, (continued)
- [PATCH v6 43/51] hw/xen: Support mapping grant frames, David Woodhouse, 2023/01/10
- [PATCH v6 45/51] hw/xen: Implement GNTTABOP_query_size, David Woodhouse, 2023/01/10
- [PATCH v6 47/51] i386/xen: Reserve Xen special pages for console, xenstore rings, David Woodhouse, 2023/01/10
- [PATCH v6 10/51] i386/xen: implement HYPERVISOR_xen_version, David Woodhouse, 2023/01/10
- [PATCH v6 32/51] hw/xen: Implement EVTCHNOP_bind_ipi, David Woodhouse, 2023/01/10
- [PATCH v6 12/51] i386/xen: Implement SCHEDOP_poll and SCHEDOP_yield, David Woodhouse, 2023/01/10
- [PATCH v6 37/51] hw/xen: Implement EVTCHNOP_reset, David Woodhouse, 2023/01/10
- [PATCH v6 05/51] i386/kvm: handle Xen HVM cpuid leaves, David Woodhouse, 2023/01/10
- [PATCH v6 18/51] i386/xen: implement HYPERVISOR_hvm_op,
David Woodhouse <=
- [PATCH v6 13/51] hw/xen: Add xen_overlay device for emulating shared xenheap pages, David Woodhouse, 2023/01/10
- [PATCH v6 39/51] hw/xen: Support HVM_PARAM_CALLBACK_TYPE_GSI callback, David Woodhouse, 2023/01/10
- [PATCH v6 19/51] i386/xen: implement HYPERVISOR_vcpu_op, David Woodhouse, 2023/01/10
- [PATCH v6 06/51] i386/hvm: Set Xen vCPU ID in KVM, David Woodhouse, 2023/01/10
- [PATCH v6 07/51] xen-platform: exclude vfio-pci from the PCI platform unplug, David Woodhouse, 2023/01/10
- [PATCH v6 28/51] hw/xen: Implement EVTCHNOP_status, David Woodhouse, 2023/01/10
- [PATCH v6 44/51] i386/xen: Implement HYPERVISOR_grant_table_op and GNTTABOP_[gs]et_verson, David Woodhouse, 2023/01/10