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, 66 insertions, 0 deletions

diff --git a/include/hw/pcmcia.h b/include/hw/pcmcia.h
new file mode 100644
index 000000000..e3ba44e0b
--- /dev/null
+++ b/include/hw/pcmcia.h
@@ -0,0 +1,66 @@
+#ifndef HW_PCMCIA_H
+#define HW_PCMCIA_H
+
+/* PCMCIA/Cardbus */
+
+#include "hw/qdev-core.h"
+#include "qom/object.h"
+
+typedef struct PCMCIASocket {
+    qemu_irq irq;
+    bool attached;
+} PCMCIASocket;
+
+#define TYPE_PCMCIA_CARD "pcmcia-card"
+OBJECT_DECLARE_TYPE(PCMCIACardState, PCMCIACardClass, PCMCIA_CARD)
+
+struct PCMCIACardState {
+    /*< private >*/
+    DeviceState parent_obj;
+    /*< public >*/
+
+    PCMCIASocket *slot;
+};
+
+struct PCMCIACardClass {
+    /*< private >*/
+    DeviceClass parent_class;
+    /*< public >*/
+
+    int (*attach)(PCMCIACardState *state);
+    int (*detach)(PCMCIACardState *state);
+
+    const uint8_t *cis;
+    int cis_len;
+
+    /* Only valid if attached */
+    uint8_t (*attr_read)(PCMCIACardState *card, uint32_t address);
+    void (*attr_write)(PCMCIACardState *card, uint32_t address, uint8_t value);
+    uint16_t (*common_read)(PCMCIACardState *card, uint32_t address);
+    void (*common_write)(PCMCIACardState *card,
+                         uint32_t address, uint16_t value);
+    uint16_t (*io_read)(PCMCIACardState *card, uint32_t address);
+    void (*io_write)(PCMCIACardState *card, uint32_t address, uint16_t value);
+};
+
+#define CISTPL_DEVICE		0x01	/* 5V Device Information Tuple */
+#define CISTPL_NO_LINK		0x14	/* No Link Tuple */
+#define CISTPL_VERS_1		0x15	/* Level 1 Version Tuple */
+#define CISTPL_JEDEC_C		0x18	/* JEDEC ID Tuple */
+#define CISTPL_JEDEC_A		0x19	/* JEDEC ID Tuple */
+#define CISTPL_CONFIG		0x1a	/* Configuration Tuple */
+#define CISTPL_CFTABLE_ENTRY	0x1b	/* 16-bit PCCard Configuration */
+#define CISTPL_DEVICE_OC	0x1c	/* Additional Device Information */
+#define CISTPL_DEVICE_OA	0x1d	/* Additional Device Information */
+#define CISTPL_DEVICE_GEO	0x1e	/* Additional Device Information */
+#define CISTPL_DEVICE_GEO_A	0x1f	/* Additional Device Information */
+#define CISTPL_MANFID		0x20	/* Manufacture ID Tuple */
+#define CISTPL_FUNCID		0x21	/* Function ID Tuple */
+#define CISTPL_FUNCE		0x22	/* Function Extension Tuple */
+#define CISTPL_END		0xff	/* Tuple End */
+#define CISTPL_ENDMARK		0xff
+
+/* dscm1xxxx.c */
+PCMCIACardState *dscm1xxxx_init(DriveInfo *bdrv);
+
+#endif