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-rw-r--r--include/qemu/hw-version.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/include/qemu/hw-version.h b/include/qemu/hw-version.h
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+++ b/include/qemu/hw-version.h
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+/*
+ * QEMU "hardware version" machinery
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#ifndef QEMU_HW_VERSION_H
+#define QEMU_HW_VERSION_H
+
+/*
+ * Starting on QEMU 2.5, qemu_hw_version() returns "2.5+" by default
+ * instead of QEMU_VERSION, so setting hw_version on MachineClass
+ * is no longer mandatory.
+ *
+ * Do NOT change this string, or it will break compatibility on all
+ * machine classes that don't set hw_version.
+ */
+#define QEMU_HW_VERSION "2.5+"
+
+/* QEMU "hardware version" setting. Used to replace code that exposed
+ * QEMU_VERSION to guests in the past and need to keep compatibility.
+ * Do not use qemu_hw_version() in new code.
+ */
+void qemu_set_hw_version(const char *);
+const char *qemu_hw_version(void);
+
+#endif