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Diffstat (limited to 'xen/include/asm-x86/hvm/vcpu.h')
-rw-r--r--xen/include/asm-x86/hvm/vcpu.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/xen/include/asm-x86/hvm/vcpu.h b/xen/include/asm-x86/hvm/vcpu.h
index e8b8cd76ba..1abb364b07 100644
--- a/xen/include/asm-x86/hvm/vcpu.h
+++ b/xen/include/asm-x86/hvm/vcpu.h
@@ -66,6 +66,11 @@ struct hvm_vcpu_io {
/* We may write up to m256 as a number of device-model transactions. */
unsigned int mmio_large_write_bytes;
paddr_t mmio_large_write_pa;
+ /*
+ * For string instruction emulation we need to be able to signal a
+ * necessary retry through other than function return codes.
+ */
+ bool_t mmio_retry, mmio_retrying;
};
#define VMCX_EADDR (~0ULL)