1 files changed, 19 insertions, 0 deletions
diff --git a/pkg/sentry/platform/ring0/defs.go b/pkg/sentry/platform/ring0/defs.go
index 9d947b73d..7b3bed1c7 100644
--- a/pkg/sentry/platform/ring0/defs.go
+++ b/pkg/sentry/platform/ring0/defs.go
@@ -91,3 +91,22 @@ type CPU struct {
 func (c *CPU) Registers() *syscall.PtraceRegs {
 	return &c.registers
 }
+
+// SwitchOpts are passed to the Switch function.
+type SwitchOpts struct {
+	// Registers are the user register state.
+	Registers *syscall.PtraceRegs
+
+	// FloatingPointState is a byte pointer where floating point state is
+	// saved and restored.
+	FloatingPointState *byte
+
+	// PageTables are the application page tables.
+	PageTables *pagetables.PageTables
+
+	// Flush indicates that a TLB flush should be forced on switch.
+	Flush bool
+
+	// FullRestore indicates that an iret-based restore should be used.
+	FullRestore bool
+}