Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / include / ipxe / nfs.h

diff --git a/qemu/roms/ipxe/src/include/ipxe/nfs.h b/qemu/roms/ipxe/src/include/ipxe/nfs.h
new file mode 100644 (file)
index 0000000..498ed5a
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/nfs.h
@@ -0,0 +1,157 @@
+#ifndef _IPXE_NFS_H
+#define _IPXE_NFS_H
+
+#include <stdint.h>
+#include <ipxe/oncrpc.h>
+
+/** @file
+ *
+ * Network File System protocol.
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+/** NFS protocol number */
+#define ONCRPC_NFS 100003
+
+/** NFS protocol version */
+#define NFS_VERS   3
+
+/** No error*/
+#define NFS3_OK             0
+/** Not owner */
+#define NFS3ERR_PERM        1
+/** No such file or directory */
+#define NFS3ERR_NOENT       2
+/** I/O error */
+#define NFS3ERR_IO          5
+/** No such device or address */
+#define NFS3ERR_NXIO        6
+/** Permission denied */
+#define NFS3ERR_ACCES       13
+/** The file specified already exists */
+#define NFS3ERR_EXIST       17
+/**  Attempt to do a cross-device hard link */
+#define NFS3ERR_XDEV        18
+/** No such device */
+#define NFS3ERR_NODEV       19
+/** Not a directory */
+#define NFS3ERR_NOTDIR      20
+ /**Is a directory */
+#define NFS3ERR_ISDIR       21
+/** Invalid argument */
+#define NFS3ERR_INVAL       22
+/** Filename too long */
+#define NFS3ERR_NAMETOOLONG 63
+/** Invalid file handle */
+#define NFS3ERR_STALE       70
+/** Too many levels of remote in path */
+#define NFS3ERR_REMOTE      71
+/** Illegal NFS file handle */
+#define NFS3ERR_BADHANDLE   10001
+/**  READDIR or READDIRPLUS cookie is stale */
+#define NFS3ERR_BAD_COOKIE  10003
+/** Operation not supported */
+#define NFS3ERR_NOTSUPP     10004
+/** Buffer or request is too small */
+#define NFS3ERR_TOOSMALL    10005
+/** An error occurred on the server which does not map to any  of the legal NFS
+ * version 3 protocol error values */
+#define NFS3ERR_SERVERFAULT 10006
+/** The server initiated the request, but was not able to complete it in a
+ * timely fashion */
+#define NFS3ERR_JUKEBOX     10008
+
+enum nfs_attr_type {
+       NFS_ATTR_SYMLINK = 5,
+};
+
+/**
+ * A NFS file handle
+ *
+ */
+struct nfs_fh {
+       uint8_t               fh[64];
+       size_t                size;
+};
+
+/**
+ * A NFS LOOKUP reply
+ *
+ */
+struct nfs_lookup_reply {
+       /** Reply status */
+       uint32_t             status;
+       /** Entity type */
+       enum nfs_attr_type   ent_type;
+       /** File handle */
+       struct nfs_fh        fh;
+};
+
+/**
+ * A NFS READLINK reply
+ *
+ */
+struct nfs_readlink_reply {
+       /** Reply status */
+       uint32_t             status;
+       /** File path length */
+       uint32_t             path_len;
+       /** File path */
+       char                 *path;
+};
+
+
+/**
+ * A NFS READ reply
+ *
+ */
+struct nfs_read_reply {
+       /** Reply status */
+       uint32_t             status;
+       /** File size */
+       uint64_t             filesize;
+       /** Bytes read */
+       uint32_t             count;
+       /** End-of-File indicator */
+       uint32_t             eof;
+       /** Data length */
+       uint32_t             data_len;
+       /** Data read */
+       void                 *data;
+};
+
+size_t nfs_iob_get_fh ( struct io_buffer *io_buf, struct nfs_fh *fh );
+size_t nfs_iob_add_fh ( struct io_buffer *io_buf, const struct nfs_fh *fh );
+
+/**
+ * Prepare an ONC RPC session to be used as a NFS session
+ *
+ * @v session           ONC RPC session
+ * @v credential        ONC RPC credential
+ *
+ * The credential parameter must not be NULL, use 'oncrpc_auth_none' if you
+ * don't want a particular scheme to be used.
+ */
+static inline void nfs_init_session ( struct oncrpc_session *session,
+                                      struct oncrpc_cred *credential ) {
+       oncrpc_init_session ( session, credential, &oncrpc_auth_none,
+                             ONCRPC_NFS, NFS_VERS );
+}
+
+int nfs_lookup ( struct interface *intf, struct oncrpc_session *session,
+                 const struct nfs_fh *fh, const char *filename );
+int nfs_readlink ( struct interface *intf, struct oncrpc_session *session,
+                   const struct nfs_fh *fh );
+int nfs_read ( struct interface *intf, struct oncrpc_session *session,
+               const struct nfs_fh *fh, uint64_t offset, uint32_t count );
+
+int nfs_get_lookup_reply ( struct nfs_lookup_reply *lookup_reply,
+                           struct oncrpc_reply *reply );
+int nfs_get_readlink_reply ( struct nfs_readlink_reply *readlink_reply,
+                             struct oncrpc_reply *reply );
+int nfs_get_read_reply ( struct nfs_read_reply *read_reply,
+                         struct oncrpc_reply *reply );
+
+#endif /* _IPXE_NFS_H */