lkml.org 
[lkml]   [2022]   [Aug]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
Subject[PATCH 4/5] selftests: KVM: Add support for posted interrupt handling in L2
From
Add support for posted interrupt handling in L2. This is done by adding
needed data structures in vmx_pages and APIs to allow an L2 receive posted
interrupts

Cc: Jim Mattson <jmattson@google.com>
Signed-off-by: Mingwei Zhang <mizhang@google.com>
---
tools/testing/selftests/kvm/include/x86_64/vmx.h | 10 ++++++++++
tools/testing/selftests/kvm/lib/x86_64/vmx.c | 16 ++++++++++++++++
2 files changed, 26 insertions(+)

diff --git a/tools/testing/selftests/kvm/include/x86_64/vmx.h b/tools/testing/selftests/kvm/include/x86_64/vmx.h
index 7d8c980317f7..3449ae8ab282 100644
--- a/tools/testing/selftests/kvm/include/x86_64/vmx.h
+++ b/tools/testing/selftests/kvm/include/x86_64/vmx.h
@@ -579,6 +579,14 @@ struct vmx_pages {
void *apic_access_hva;
uint64_t apic_access_gpa;
void *apic_access;
+
+ void *virtual_apic_hva;
+ uint64_t virtual_apic_gpa;
+ void *virtual_apic;
+
+ void *posted_intr_desc_hva;
+ uint64_t posted_intr_desc_gpa;
+ void *posted_intr_desc;
};

union vmx_basic {
@@ -622,5 +630,7 @@ void nested_identity_map_1g(struct vmx_pages *vmx, struct kvm_vm *vm,
void prepare_eptp(struct vmx_pages *vmx, struct kvm_vm *vm,
uint32_t eptp_memslot);
void prepare_virtualize_apic_accesses(struct vmx_pages *vmx, struct kvm_vm *vm);
+void prepare_virtual_apic(struct vmx_pages *vmx, struct kvm_vm *vm);
+void prepare_posted_intr_desc(struct vmx_pages *vmx, struct kvm_vm *vm);

#endif /* SELFTEST_KVM_VMX_H */
diff --git a/tools/testing/selftests/kvm/lib/x86_64/vmx.c b/tools/testing/selftests/kvm/lib/x86_64/vmx.c
index 80a568c439b8..7d65bee37b9f 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/vmx.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/vmx.c
@@ -556,3 +556,19 @@ void prepare_virtualize_apic_accesses(struct vmx_pages *vmx, struct kvm_vm *vm)
vmx->apic_access_hva = addr_gva2hva(vm, (uintptr_t)vmx->apic_access);
vmx->apic_access_gpa = addr_gva2gpa(vm, (uintptr_t)vmx->apic_access);
}
+
+void prepare_virtual_apic(struct vmx_pages *vmx, struct kvm_vm *vm)
+{
+ vmx->virtual_apic = (void *)vm_vaddr_alloc_page(vm);
+ vmx->virtual_apic_hva = addr_gva2hva(vm, (uintptr_t)vmx->virtual_apic);
+ vmx->virtual_apic_gpa = addr_gva2gpa(vm, (uintptr_t)vmx->virtual_apic);
+}
+
+void prepare_posted_intr_desc(struct vmx_pages *vmx, struct kvm_vm *vm)
+{
+ vmx->posted_intr_desc = (void *)vm_vaddr_alloc_page(vm);
+ vmx->posted_intr_desc_hva =
+ addr_gva2hva(vm, (uintptr_t)vmx->posted_intr_desc);
+ vmx->posted_intr_desc_gpa =
+ addr_gva2gpa(vm, (uintptr_t)vmx->posted_intr_desc);
+}
--
2.37.1.455.g008518b4e5-goog
\
 
 \ /
  Last update: 2022-08-03 01:08    [W:0.307 / U:0.192 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site