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authorM. Mohan Kumar <mohan@in.ibm.com>2011-12-14 13:49:06 +0530
committerAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2012-01-04 19:51:28 +0530
commit10925bf089024eb5157e78618a5d8864e29f243e (patch)
treeb77b271fd98cb79fd2d4e1d6182f1c4ebc96702f /fsdev/virtio-9p-marshal.h
parent99519f0a776797db8fbdbf828240333e5181a612 (diff)
hw/9pfs: Move pdu_marshal/unmarshal code to a seperate file
Move p9 marshaling/unmarshaling code to a separate file so that proxy filesytem driver can use these calls. Also made marshaling code generic to accept "struct iovec" instead of V9fsPDU. Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Diffstat (limited to 'fsdev/virtio-9p-marshal.h')
-rw-r--r--fsdev/virtio-9p-marshal.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/fsdev/virtio-9p-marshal.h b/fsdev/virtio-9p-marshal.h
new file mode 100644
index 0000000000..f4414006dc
--- /dev/null
+++ b/fsdev/virtio-9p-marshal.h
@@ -0,0 +1,87 @@
+#ifndef _QEMU_VIRTIO_9P_MARSHAL_H
+#define _QEMU_VIRTIO_9P_MARSHAL_H
+
+typedef struct V9fsString
+{
+ uint16_t size;
+ char *data;
+} V9fsString;
+
+typedef struct V9fsQID
+{
+ int8_t type;
+ int32_t version;
+ int64_t path;
+} V9fsQID;
+
+typedef struct V9fsStat
+{
+ int16_t size;
+ int16_t type;
+ int32_t dev;
+ V9fsQID qid;
+ int32_t mode;
+ int32_t atime;
+ int32_t mtime;
+ int64_t length;
+ V9fsString name;
+ V9fsString uid;
+ V9fsString gid;
+ V9fsString muid;
+ /* 9p2000.u */
+ V9fsString extension;
+ int32_t n_uid;
+ int32_t n_gid;
+ int32_t n_muid;
+} V9fsStat;
+
+typedef struct V9fsIattr
+{
+ int32_t valid;
+ int32_t mode;
+ int32_t uid;
+ int32_t gid;
+ int64_t size;
+ int64_t atime_sec;
+ int64_t atime_nsec;
+ int64_t mtime_sec;
+ int64_t mtime_nsec;
+} V9fsIattr;
+
+typedef struct V9fsStatDotl {
+ uint64_t st_result_mask;
+ V9fsQID qid;
+ uint32_t st_mode;
+ uint32_t st_uid;
+ uint32_t st_gid;
+ uint64_t st_nlink;
+ uint64_t st_rdev;
+ uint64_t st_size;
+ uint64_t st_blksize;
+ uint64_t st_blocks;
+ uint64_t st_atime_sec;
+ uint64_t st_atime_nsec;
+ uint64_t st_mtime_sec;
+ uint64_t st_mtime_nsec;
+ uint64_t st_ctime_sec;
+ uint64_t st_ctime_nsec;
+ uint64_t st_btime_sec;
+ uint64_t st_btime_nsec;
+ uint64_t st_gen;
+ uint64_t st_data_version;
+} V9fsStatDotl;
+
+extern void v9fs_string_init(V9fsString *str);
+extern void v9fs_string_free(V9fsString *str);
+extern void v9fs_string_null(V9fsString *str);
+extern void v9fs_string_sprintf(V9fsString *str, const char *fmt, ...);
+extern void v9fs_string_copy(V9fsString *lhs, V9fsString *rhs);
+
+size_t v9fs_pack(struct iovec *in_sg, int in_num, size_t offset,
+ const void *src, size_t size);
+size_t v9fs_unmarshal(struct iovec *out_sg, int out_num, size_t offset,
+ int bswap, const char *fmt, ...);
+size_t v9fs_marshal(struct iovec *in_sg, int in_num, size_t offset,
+ int bswap, const char *fmt, ...);
+
+#endif