Add qemu 2.4.0
[kvmfornfv.git] / qemu / roms / SLOF / lib / libvirtio / p9.h
diff --git a/qemu/roms/SLOF/lib/libvirtio/p9.h b/qemu/roms/SLOF/lib/libvirtio/p9.h
new file mode 100644 (file)
index 0000000..7df9ef4
--- /dev/null
@@ -0,0 +1,68 @@
+/******************************************************************************
+ * Copyright (c) 2011 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#ifndef P9_H
+#define P9_H
+
+#include <stdint.h>
+
+
+#define P9_ERROR                       -1
+#define P9_UNKNOWN_VERSION             -2
+#define P9_R_ERROR                     -3
+#define P9_MSG_TOO_LONG                        -4
+#define P9_UNEXPECTED_MSG              -5
+#define P9_UNEXPECTED_TAG              -6
+#define P9_TRANSPORT_ERROR             -7
+#define P9_NO_TRANSPORT                        -8
+#define P9_NULL_PATH                   -9
+#define P9_PATH_ELEMENT_TOO_LONG       -10
+#define P9_READ_UNEXPECTED_DATA                -11
+#define P9_NO_BUFFER                   -12
+#define P9_MSG_SIZE_TOO_BIG            -13
+
+#define P9_PARTIAL_WALK                        1
+
+typedef int (*p9_transact_t)(void *opaque, uint8_t *tx, int tx_size,
+               uint8_t *rx, int *rx_size);
+
+typedef struct {
+       uint32_t message_size;
+       char *uname;            /* User name. */
+       char *aname;            /* Tree/mount name/path. */
+       uint32_t fid;           /* Represents mount point. */
+} p9_connection_t;
+
+typedef struct {
+       uint32_t fid;           /* Identifies the file to P9 server. */
+       uint32_t iounit;        /* Maximum read size in bytes. */
+       uint8_t type;           /* Type of file. */
+       uint64_t length;        /* Length of file. */
+       p9_connection_t *connection;
+} p9_file_t;
+
+
+void reset_buffers(void);
+void p9_reg_transport(p9_transact_t transact_func, void *opaque,
+                     uint8_t *tx_buffer, uint8_t *rx_buffer);
+int p9_transaction(p9_connection_t *connection);
+int p9_version(p9_connection_t *connection);
+int p9_attach(p9_connection_t *connection);
+int p9_clunk(p9_connection_t *connection, uint32_t fid);
+int p9_walk(p9_connection_t *connection, uint32_t fid, uint32_t new_fid,
+               uint8_t **pos);
+int p9_open(p9_file_t *file, uint8_t mode);
+int p9_read(p9_file_t *file, uint8_t *buffer,
+               uint32_t count, uint64_t offset);
+int p9_stat(p9_file_t *file);
+
+#endif