From 73201f4c5700ce7af404b968698b86d80989ab1e Mon Sep 17 00:00:00 2001 From: Haibo Xu Date: Tue, 25 Feb 2020 07:30:12 +0000 Subject: Code Clean: Move arch independent codes to common file in kvm pkg. Signed-off-by: Haibo Xu Change-Id: Iefbdf53e8e8d6d23ae75d8a2ff0d2a6e71f414d8 --- pkg/sentry/platform/kvm/kvm.go | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) (limited to 'pkg/sentry/platform/kvm/kvm.go') diff --git a/pkg/sentry/platform/kvm/kvm.go b/pkg/sentry/platform/kvm/kvm.go index 972ba85c3..a9b4af43e 100644 --- a/pkg/sentry/platform/kvm/kvm.go +++ b/pkg/sentry/platform/kvm/kvm.go @@ -27,6 +27,38 @@ import ( "gvisor.dev/gvisor/pkg/usermem" ) +// userMemoryRegion is a region of physical memory. +// +// This mirrors kvm_memory_region. +type userMemoryRegion struct { + slot uint32 + flags uint32 + guestPhysAddr uint64 + memorySize uint64 + userspaceAddr uint64 +} + +// runData is the run structure. This may be mapped for synchronous register +// access (although that doesn't appear to be supported by my kernel at least). +// +// This mirrors kvm_run. +type runData struct { + requestInterruptWindow uint8 + _ [7]uint8 + + exitReason uint32 + readyForInterruptInjection uint8 + ifFlag uint8 + _ [2]uint8 + + cr8 uint64 + apicBase uint64 + + // This is the union data for exits. Interpretation depends entirely on + // the exitReason above (see vCPU code for more information). + data [32]uint64 +} + // KVM represents a lightweight VM context. type KVM struct { platform.NoCPUPreemptionDetection -- cgit v1.2.3