Introduce Virtio-loopback epsilon release:

Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.

Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9

1 files changed, 45 insertions, 0 deletions

diff --git a/tests/qtest/libqos/libqos.h b/tests/qtest/libqos/libqos.h
new file mode 100644
index 000000000..e0b2bfe7c
--- /dev/null
+++ b/tests/qtest/libqos/libqos.h
@@ -0,0 +1,45 @@
+#ifndef LIBQOS_H
+#define LIBQOS_H
+
+#include "libqtest.h"
+#include "pci.h"
+#include "malloc.h"
+
+typedef struct QOSState QOSState;
+
+typedef struct QOSOps {
+    void (*alloc_init)(QGuestAllocator *, QTestState *, QAllocOpts);
+    QPCIBus *(*qpci_new)(QTestState *qts, QGuestAllocator *alloc);
+    void (*qpci_free)(QPCIBus *bus);
+    void (*shutdown)(QOSState *);
+} QOSOps;
+
+struct QOSState {
+    QTestState *qts;
+    QGuestAllocator alloc;
+    QPCIBus *pcibus;
+    QOSOps *ops;
+};
+
+QOSState *qtest_vboot(QOSOps *ops, const char *cmdline_fmt, va_list ap);
+QOSState *qtest_boot(QOSOps *ops, const char *cmdline_fmt, ...);
+void qtest_common_shutdown(QOSState *qs);
+void qtest_shutdown(QOSState *qs);
+bool have_qemu_img(void);
+void mkimg(const char *file, const char *fmt, unsigned size_mb);
+void mkqcow2(const char *file, unsigned size_mb);
+void migrate(QOSState *from, QOSState *to, const char *uri);
+void prepare_blkdebug_script(const char *debug_fn, const char *event);
+void generate_pattern(void *buffer, size_t len, size_t cycle_len);
+
+static inline uint64_t qmalloc(QOSState *q, size_t bytes)
+{
+    return guest_alloc(&q->alloc, bytes);
+}
+
+static inline void qfree(QOSState *q, uint64_t addr)
+{
+    guest_free(&q->alloc, addr);
+}
+
+#endif