Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / seabios / src / hw / virtio-scsi.h

diff --git a/qemu/roms/seabios/src/hw/virtio-scsi.h b/qemu/roms/seabios/src/hw/virtio-scsi.h
new file mode 100644 (file)
index 0000000..96c3701
--- /dev/null
+++ b/qemu/roms/seabios/src/hw/virtio-scsi.h
@@ -0,0 +1,47 @@
+#ifndef _VIRTIO_SCSI_H
+#define _VIRTIO_SCSI_H
+
+#define VIRTIO_SCSI_CDB_SIZE      32
+#define VIRTIO_SCSI_SENSE_SIZE    96
+
+struct virtio_scsi_config
+{
+    u32 num_queues;
+    u32 seg_max;
+    u32 max_sectors;
+    u32 cmd_per_lun;
+    u32 event_info_size;
+    u32 sense_size;
+    u32 cdb_size;
+    u16 max_channel;
+    u16 max_target;
+    u32 max_lun;
+} __attribute__((packed));
+
+/* This is the first element of the "out" scatter-gather list. */
+struct virtio_scsi_req_cmd {
+    u8 lun[8];
+    u64 id;
+    u8 task_attr;
+    u8 prio;
+    u8 crn;
+    char cdb[VIRTIO_SCSI_CDB_SIZE];
+} __attribute__((packed));
+
+/* This is the first element of the "in" scatter-gather list. */
+struct virtio_scsi_resp_cmd {
+    u32 sense_len;
+    u32 residual;
+    u16 status_qualifier;
+    u8 status;
+    u8 response;
+    u8 sense[VIRTIO_SCSI_SENSE_SIZE];
+} __attribute__((packed));
+
+#define VIRTIO_SCSI_S_OK            0
+
+struct disk_op_s;
+int virtio_scsi_cmd_data(struct disk_op_s *op, void *cdbcmd, u16 blocksize);
+void virtio_scsi_setup(void);
+
+#endif /* _VIRTIO_SCSI_H */