Merge remote-tracking branch 'remotes/dgilbert-gitlab/tags/pull-migration-20210726a...
[qemu/armbru.git] / hw / 9pfs / 9p-synth.h
blob036d7e4a5b1c8f6061aa058b3ac0d99757e6b447
1 /*
2 * 9p
4 * Copyright IBM, Corp. 2011
6 * Authors:
7 * Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
9 * This work is licensed under the terms of the GNU GPL, version 2. See
10 * the COPYING file in the top-level directory.
14 #ifndef QEMU_9P_SYNTH_H
15 #define QEMU_9P_SYNTH_H
17 typedef struct V9fsSynthNode V9fsSynthNode;
18 typedef ssize_t (*v9fs_synth_read)(void *buf, int len, off_t offset,
19 void *arg);
20 typedef ssize_t (*v9fs_synth_write)(void *buf, int len, off_t offset,
21 void *arg);
22 typedef struct V9fsSynthNodeAttr {
23 int mode;
24 int inode;
25 int nlink;
26 v9fs_synth_read read;
27 v9fs_synth_write write;
28 } V9fsSynthNodeAttr;
30 struct V9fsSynthNode {
31 QLIST_HEAD(, V9fsSynthNode) child;
32 QLIST_ENTRY(V9fsSynthNode) sibling;
33 char name[NAME_MAX];
34 V9fsSynthNodeAttr *attr;
35 V9fsSynthNodeAttr actual_attr;
36 void *private;
37 int open_count;
40 typedef struct V9fsSynthOpenState {
41 off_t offset;
42 V9fsSynthNode *node;
43 struct dirent dent;
44 } V9fsSynthOpenState;
46 int qemu_v9fs_synth_mkdir(V9fsSynthNode *parent, int mode,
47 const char *name, V9fsSynthNode **result);
48 int qemu_v9fs_synth_add_file(V9fsSynthNode *parent, int mode,
49 const char *name, v9fs_synth_read read,
50 v9fs_synth_write write, void *arg);
52 /* qtest stuff */
54 #define QTEST_V9FS_SYNTH_WALK_FILE "WALK%d"
55 #define QTEST_V9FS_SYNTH_LOPEN_FILE "LOPEN"
56 #define QTEST_V9FS_SYNTH_WRITE_FILE "WRITE"
58 /* for READDIR test */
59 #define QTEST_V9FS_SYNTH_READDIR_DIR "ReadDirDir"
60 #define QTEST_V9FS_SYNTH_READDIR_FILE "ReadDirFile%d"
61 #define QTEST_V9FS_SYNTH_READDIR_NFILES 100
63 /* Any write to the "FLUSH" file is handled one byte at a time by the
64 * backend. If the byte is zero, the backend returns success (ie, 1),
65 * otherwise it forces the server to try again forever. Thus allowing
66 * the client to cancel the request.
68 #define QTEST_V9FS_SYNTH_FLUSH_FILE "FLUSH"
70 #endif