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, 47 insertions, 0 deletions

diff --git a/include/hw/sd/cadence_sdhci.h b/include/hw/sd/cadence_sdhci.h
new file mode 100644
index 000000000..cd8288b7d
--- /dev/null
+++ b/include/hw/sd/cadence_sdhci.h
@@ -0,0 +1,47 @@
+/*
+ * Cadence SDHCI emulation
+ *
+ * Copyright (c) 2020 Wind River Systems, Inc.
+ *
+ * Author:
+ *   Bin Meng <bin.meng@windriver.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 or
+ * (at your option) version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CADENCE_SDHCI_H
+#define CADENCE_SDHCI_H
+
+#include "hw/sd/sdhci.h"
+
+#define CADENCE_SDHCI_REG_SIZE  0x100
+#define CADENCE_SDHCI_NUM_REGS  (CADENCE_SDHCI_REG_SIZE / sizeof(uint32_t))
+
+typedef struct CadenceSDHCIState {
+    SysBusDevice parent;
+
+    MemoryRegion container;
+    MemoryRegion iomem;
+    BusState *bus;
+
+    uint32_t regs[CADENCE_SDHCI_NUM_REGS];
+
+    SDHCIState sdhci;
+} CadenceSDHCIState;
+
+#define TYPE_CADENCE_SDHCI  "cadence.sdhci"
+#define CADENCE_SDHCI(obj)  OBJECT_CHECK(CadenceSDHCIState, (obj), \
+                                         TYPE_CADENCE_SDHCI)
+
+#endif /* CADENCE_SDHCI_H */