tests/9pfs: add local Tlcreate test

This test case uses a Tlcreate 9p request to create a regular file inside
host's test directory.

Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Message-Id: <269cae0c00af941a3a4ae78f1e319f93462a7eb4.1603285620.git.qemu_oss@crudebyte.com>
Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
This commit is contained in:
Christian Schoenebeck 2020-10-21 14:25:33 +02:00
parent b37d62d6de
commit b09dbfdd51
1 changed files with 77 additions and 0 deletions

View File

@ -258,6 +258,7 @@ static const char *rmessage_name(uint8_t id)
id == P9_RLOPEN ? "RLOPEN" :
id == P9_RWRITE ? "RWRITE" :
id == P9_RMKDIR ? "RMKDIR" :
id == P9_RLCREATE ? "RLCREATE" :
id == P9_RUNLINKAT ? "RUNLINKAT" :
id == P9_RFLUSH ? "RFLUSH" :
id == P9_RREADDIR ? "READDIR" :
@ -694,6 +695,44 @@ static void v9fs_rmkdir(P9Req *req, v9fs_qid *qid)
v9fs_req_free(req);
}
/* size[4] Tlcreate tag[2] fid[4] name[s] flags[4] mode[4] gid[4] */
static P9Req *v9fs_tlcreate(QVirtio9P *v9p, uint32_t fid, const char *name,
uint32_t flags, uint32_t mode, uint32_t gid,
uint16_t tag)
{
P9Req *req;
uint32_t body_size = 4 + 4 + 4 + 4;
uint16_t string_size = v9fs_string_size(name);
g_assert_cmpint(body_size, <=, UINT32_MAX - string_size);
body_size += string_size;
req = v9fs_req_init(v9p, body_size, P9_TLCREATE, tag);
v9fs_uint32_write(req, fid);
v9fs_string_write(req, name);
v9fs_uint32_write(req, flags);
v9fs_uint32_write(req, mode);
v9fs_uint32_write(req, gid);
v9fs_req_send(req);
return req;
}
/* size[4] Rlcreate tag[2] qid[13] iounit[4] */
static void v9fs_rlcreate(P9Req *req, v9fs_qid *qid, uint32_t *iounit)
{
v9fs_req_recv(req, P9_RLCREATE);
if (qid) {
v9fs_memread(req, qid, 13);
} else {
v9fs_memskip(req, 13);
}
if (iounit) {
v9fs_uint32_read(req, iounit);
}
v9fs_req_free(req);
}
/* size[4] Tunlinkat tag[2] dirfd[4] name[s] flags[4] */
static P9Req *v9fs_tunlinkat(QVirtio9P *v9p, uint32_t dirfd, const char *name,
uint32_t flags, uint16_t tag)
@ -1032,6 +1071,24 @@ static void do_mkdir(QVirtio9P *v9p, const char *path, const char *cname)
g_free(name);
}
/* create a regular file with Tlcreate and return file's fid */
static uint32_t do_lcreate(QVirtio9P *v9p, const char *path,
const char *cname)
{
char *const name = g_strdup(cname);
uint32_t fid;
P9Req *req;
fid = do_walk(v9p, path);
req = v9fs_tlcreate(v9p, fid, name, 0, 0750, 0, 0);
v9fs_req_wait_for_reply(req, NULL);
v9fs_rlcreate(req, NULL, NULL);
g_free(name);
return fid;
}
static void do_unlinkat(QVirtio9P *v9p, const char *atpath, const char *rpath,
uint32_t flags)
{
@ -1120,6 +1177,25 @@ static void fs_unlinkat_dir(void *obj, void *data, QGuestAllocator *t_alloc)
g_free(root_path);
}
static void fs_create_file(void *obj, void *data, QGuestAllocator *t_alloc)
{
QVirtio9P *v9p = obj;
alloc = t_alloc;
struct stat st;
char *new_file = virtio_9p_test_path("03/1st_file");
do_attach(v9p);
do_mkdir(v9p, "/", "03");
do_lcreate(v9p, "03", "1st_file");
/* check if created file exists now ... */
g_assert(stat(new_file, &st) == 0);
/* ... and is a regular file */
g_assert((st.st_mode & S_IFMT) == S_IFREG);
g_free(new_file);
}
static void *assign_9p_local_driver(GString *cmd_line, void *arg)
{
virtio_9p_assign_local_driver(cmd_line, "security_model=mapped-xattr");
@ -1161,6 +1237,7 @@ static void register_virtio_9p_test(void)
qos_add_test("local/config", "virtio-9p", pci_config, &opts);
qos_add_test("local/create_dir", "virtio-9p", fs_create_dir, &opts);
qos_add_test("local/unlinkat_dir", "virtio-9p", fs_unlinkat_dir, &opts);
qos_add_test("local/create_file", "virtio-9p", fs_create_file, &opts);
}
libqos_init(register_virtio_9p_test);