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, 108 insertions, 0 deletions

diff --git a/hw/ppc/mac.h b/hw/ppc/mac.h
new file mode 100644
index 000000000..22c840807
--- /dev/null
+++ b/hw/ppc/mac.h
@@ -0,0 +1,108 @@
+/*
+ * QEMU PowerMac emulation shared definitions and prototypes
+ *
+ * Copyright (c) 2004-2007 Fabrice Bellard
+ * Copyright (c) 2007 Jocelyn Mayer
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef PPC_MAC_H
+#define PPC_MAC_H
+
+#include "qemu/units.h"
+#include "exec/memory.h"
+#include "hw/boards.h"
+#include "hw/sysbus.h"
+#include "hw/input/adb.h"
+#include "hw/misc/mos6522.h"
+#include "hw/pci/pci_host.h"
+#include "hw/pci-host/uninorth.h"
+#include "qom/object.h"
+
+/* SMP is not enabled, for now */
+#define MAX_CPUS 1
+
+#define NVRAM_SIZE        0x2000
+#define PROM_FILENAME    "openbios-ppc"
+
+#define KERNEL_LOAD_ADDR 0x01000000
+#define KERNEL_GAP       0x00100000
+
+#define ESCC_CLOCK 3686400
+
+/* Old World IRQs */
+#define OLDWORLD_CUDA_IRQ      0x12
+#define OLDWORLD_ESCCB_IRQ     0x10
+#define OLDWORLD_ESCCA_IRQ     0xf
+#define OLDWORLD_IDE0_IRQ      0xd
+#define OLDWORLD_IDE0_DMA_IRQ  0x2
+#define OLDWORLD_IDE1_IRQ      0xe
+#define OLDWORLD_IDE1_DMA_IRQ  0x3
+
+/* New World IRQs */
+#define NEWWORLD_CUDA_IRQ      0x19
+#define NEWWORLD_PMU_IRQ       0x19
+#define NEWWORLD_ESCCB_IRQ     0x24
+#define NEWWORLD_ESCCA_IRQ     0x25
+#define NEWWORLD_IDE0_IRQ      0xd
+#define NEWWORLD_IDE0_DMA_IRQ  0x2
+#define NEWWORLD_IDE1_IRQ      0xe
+#define NEWWORLD_IDE1_DMA_IRQ  0x3
+#define NEWWORLD_EXTING_GPIO1  0x2f
+#define NEWWORLD_EXTING_GPIO9  0x37
+
+/* Core99 machine */
+#define TYPE_CORE99_MACHINE MACHINE_TYPE_NAME("mac99")
+typedef struct Core99MachineState Core99MachineState;
+DECLARE_INSTANCE_CHECKER(Core99MachineState, CORE99_MACHINE,
+                         TYPE_CORE99_MACHINE)
+
+#define CORE99_VIA_CONFIG_CUDA     0x0
+#define CORE99_VIA_CONFIG_PMU      0x1
+#define CORE99_VIA_CONFIG_PMU_ADB  0x2
+
+struct Core99MachineState {
+    /*< private >*/
+    MachineState parent;
+
+    uint8_t via_config;
+};
+
+/* Grackle PCI */
+#define TYPE_GRACKLE_PCI_HOST_BRIDGE "grackle-pcihost"
+
+/* Mac NVRAM */
+#define TYPE_MACIO_NVRAM "macio-nvram"
+OBJECT_DECLARE_SIMPLE_TYPE(MacIONVRAMState, MACIO_NVRAM)
+
+struct MacIONVRAMState {
+    /*< private >*/
+    SysBusDevice parent_obj;
+    /*< public >*/
+
+    uint32_t size;
+    uint32_t it_shift;
+
+    MemoryRegion mem;
+    uint8_t *data;
+};
+
+void pmac_format_nvram_partition (MacIONVRAMState *nvr, int len);
+#endif /* PPC_MAC_H */