[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v12 26/60] i386/xen: implement HVMOP_set_param
From: |
David Woodhouse |
Subject: |
[PATCH v12 26/60] i386/xen: implement HVMOP_set_param |
Date: |
Mon, 20 Feb 2023 20:47:02 +0000 |
From: Ankur Arora <ankur.a.arora@oracle.com>
This is the hook for adding the HVM_PARAM_CALLBACK_IRQ parameter in a
subsequent commit.
Signed-off-by: Ankur Arora <ankur.a.arora@oracle.com>
Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
[dwmw2: Split out from another commit]
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
---
target/i386/kvm/xen-emu.c | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/target/i386/kvm/xen-emu.c b/target/i386/kvm/xen-emu.c
index 55dc2ac012..67c5832d09 100644
--- a/target/i386/kvm/xen-emu.c
+++ b/target/i386/kvm/xen-emu.c
@@ -489,6 +489,36 @@ static bool kvm_xen_hcall_memory_op(struct kvm_xen_exit
*exit, X86CPU *cpu,
return true;
}
+static bool handle_set_param(struct kvm_xen_exit *exit, X86CPU *cpu,
+ uint64_t arg)
+{
+ CPUState *cs = CPU(cpu);
+ struct xen_hvm_param hp;
+ int err = 0;
+
+ /* No need for 32/64 compat handling */
+ qemu_build_assert(sizeof(hp) == 16);
+
+ if (kvm_copy_from_gva(cs, arg, &hp, sizeof(hp))) {
+ err = -EFAULT;
+ goto out;
+ }
+
+ if (hp.domid != DOMID_SELF && hp.domid != xen_domid) {
+ err = -ESRCH;
+ goto out;
+ }
+
+ switch (hp.index) {
+ default:
+ return false;
+ }
+
+out:
+ exit->u.hcall.result = err;
+ return true;
+}
+
static int kvm_xen_hcall_evtchn_upcall_vector(struct kvm_xen_exit *exit,
X86CPU *cpu, uint64_t arg)
{
@@ -530,6 +560,9 @@ static bool kvm_xen_hcall_hvm_op(struct kvm_xen_exit *exit,
X86CPU *cpu,
ret = -ENOSYS;
break;
+ case HVMOP_set_param:
+ return handle_set_param(exit, cpu, arg);
+
default:
return false;
}
--
2.39.0
- [PATCH v12 58/60] kvm/i386: Add xen-evtchn-max-pirq property, (continued)
- [PATCH v12 58/60] kvm/i386: Add xen-evtchn-max-pirq property, David Woodhouse, 2023/02/20
- [PATCH v12 17/60] i386/xen: implement HYPERVISOR_memory_op, David Woodhouse, 2023/02/20
- [PATCH v12 53/60] hw/xen: Automatically add xen-platform PCI device for emulated Xen guests, David Woodhouse, 2023/02/20
- [PATCH v12 54/60] i386/xen: Implement HYPERVISOR_physdev_op, David Woodhouse, 2023/02/20
- [PATCH v12 31/60] hw/xen: Implement EVTCHNOP_unmask, David Woodhouse, 2023/02/20
- [PATCH v12 40/60] hw/xen: Support HVM_PARAM_CALLBACK_TYPE_GSI callback, David Woodhouse, 2023/02/20
- [PATCH v12 46/60] hw/xen: Implement GNTTABOP_query_size, David Woodhouse, 2023/02/20
- [PATCH v12 28/60] i386/xen: Add support for Xen event channel delivery to vCPU, David Woodhouse, 2023/02/20
- [PATCH v12 57/60] hw/xen: Support MSI mapping to PIRQ, David Woodhouse, 2023/02/20
- [PATCH v12 30/60] hw/xen: Implement EVTCHNOP_close, David Woodhouse, 2023/02/20
- [PATCH v12 26/60] i386/xen: implement HVMOP_set_param,
David Woodhouse <=
- [PATCH v12 29/60] hw/xen: Implement EVTCHNOP_status, David Woodhouse, 2023/02/20
- [PATCH v12 23/60] i386/xen: handle VCPUOP_register_runstate_memory_area, David Woodhouse, 2023/02/20
- [PATCH v12 49/60] i386/xen: handle HVMOP_get_param, David Woodhouse, 2023/02/20
- [PATCH v12 48/60] i386/xen: Reserve Xen special pages for console, xenstore rings, David Woodhouse, 2023/02/20
- [PATCH v12 11/60] i386/xen: implement HYPERVISOR_sched_op, SCHEDOP_shutdown, David Woodhouse, 2023/02/20
- [PATCH v12 14/60] xen: Permit --xen-domid argument when accel is KVM, David Woodhouse, 2023/02/20
- [PATCH v12 34/60] hw/xen: Implement EVTCHNOP_send, David Woodhouse, 2023/02/20
- [PATCH v12 52/60] hw/xen: Add basic ring handling to xenstore, David Woodhouse, 2023/02/20
- [PATCH v12 33/60] hw/xen: Implement EVTCHNOP_bind_ipi, David Woodhouse, 2023/02/20
- [PATCH v12 04/60] i386/kvm: Add xen-version KVM accelerator property and init KVM Xen support, David Woodhouse, 2023/02/20