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-rw-r--r--hw/9pfs/9p-synth.c2
-rw-r--r--hw/9pfs/virtio-9p-device.c6
-rw-r--r--tests/qtest/libqos/virtio-9p.c100
-rw-r--r--tests/qtest/libqos/virtio-9p.h10
-rw-r--r--tests/qtest/virtio-9p-test.c197
5 files changed, 292 insertions, 23 deletions
diff --git a/hw/9pfs/9p-synth.c b/hw/9pfs/9p-synth.c
index cec8c0eefc..7eb210ffa8 100644
--- a/hw/9pfs/9p-synth.c
+++ b/hw/9pfs/9p-synth.c
@@ -541,8 +541,6 @@ static int synth_init(FsContext *ctx, Error **errp)
QLIST_INIT(&synth_root.child);
qemu_mutex_init(&synth_mutex);
- ctx->export_flags |= V9FS_NO_PERF_WARN;
-
/* Add "." and ".." entries for root */
v9fs_add_dir_node(&synth_root, synth_root.attr->mode,
"..", synth_root.attr, synth_root.attr->inode);
diff --git a/hw/9pfs/virtio-9p-device.c b/hw/9pfs/virtio-9p-device.c
index 36f3aa9352..14371a78ef 100644
--- a/hw/9pfs/virtio-9p-device.c
+++ b/hw/9pfs/virtio-9p-device.c
@@ -21,6 +21,7 @@
#include "hw/virtio/virtio-access.h"
#include "qemu/iov.h"
#include "qemu/module.h"
+#include "sysemu/qtest.h"
static void virtio_9p_push_and_notify(V9fsPDU *pdu)
{
@@ -199,6 +200,11 @@ static void virtio_9p_device_realize(DeviceState *dev, Error **errp)
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
V9fsVirtioState *v = VIRTIO_9P(dev);
V9fsState *s = &v->state;
+ FsDriverEntry *fse = get_fsdev_fsentry(s->fsconf.fsdev_id);
+
+ if (qtest_enabled() && fse) {
+ fse->export_flags |= V9FS_NO_PERF_WARN;
+ }
if (v9fs_device_realize_common(s, &virtio_9p_transport, errp)) {
return;
diff --git a/tests/qtest/libqos/virtio-9p.c b/tests/qtest/libqos/virtio-9p.c
index 2e300063e3..d43647b3b7 100644
--- a/tests/qtest/libqos/virtio-9p.c
+++ b/tests/qtest/libqos/virtio-9p.c
@@ -24,6 +24,52 @@
#include "qgraph.h"
static QGuestAllocator *alloc;
+static char *local_test_path;
+
+/* Concatenates the passed 2 pathes. Returned result must be freed. */
+static char *concat_path(const char* a, const char* b)
+{
+ return g_build_filename(a, b, NULL);
+}
+
+static void init_local_test_path(void)
+{
+ char *pwd = g_get_current_dir();
+ local_test_path = concat_path(pwd, "qtest-9p-local");
+ g_free(pwd);
+}
+
+/* Creates the directory for the 9pfs 'local' filesystem driver to access. */
+static void create_local_test_dir(void)
+{
+ struct stat st;
+
+ g_assert(local_test_path != NULL);
+ mkdir(local_test_path, 0777);
+
+ /* ensure test directory exists now ... */
+ g_assert(stat(local_test_path, &st) == 0);
+ /* ... and is actually a directory */
+ g_assert((st.st_mode & S_IFMT) == S_IFDIR);
+}
+
+/* Deletes directory previously created by create_local_test_dir(). */
+static void remove_local_test_dir(void)
+{
+ g_assert(local_test_path != NULL);
+ char *cmd = g_strdup_printf("rm -r '%s'\n", local_test_path);
+ int res = system(cmd);
+ if (res < 0) {
+ /* ignore error, dummy check to prevent compiler error */
+ }
+ g_free(cmd);
+}
+
+char *virtio_9p_test_path(const char *path)
+{
+ g_assert(local_test_path);
+ return concat_path(local_test_path, path);
+}
static void virtio_9p_cleanup(QVirtio9P *interface)
{
@@ -146,11 +192,65 @@ static void *virtio_9p_pci_create(void *pci_bus, QGuestAllocator *t_alloc,
return obj;
}
+/**
+ * Performs regular expression based search and replace on @a haystack.
+ *
+ * @param haystack - input string to be parsed, result of replacement is
+ * stored back to @a haystack
+ * @param pattern - the regular expression pattern for scanning @a haystack
+ * @param replace_fmt - matches of supplied @a pattern are replaced by this,
+ * if necessary glib printf format can be used to add
+ * variable arguments of this function to this
+ * replacement string
+ */
+static void regex_replace(GString *haystack, const char *pattern,
+ const char *replace_fmt, ...)
+{
+ GRegex *regex;
+ char *replace, *s;
+ va_list argp;
+
+ va_start(argp, replace_fmt);
+ replace = g_strdup_vprintf(replace_fmt, argp);
+ va_end(argp);
+
+ regex = g_regex_new(pattern, 0, 0, NULL);
+ s = g_regex_replace(regex, haystack->str, -1, 0, replace, 0, NULL);
+ g_string_assign(haystack, s);
+ g_free(s);
+ g_regex_unref(regex);
+ g_free(replace);
+}
+
+void virtio_9p_assign_local_driver(GString *cmd_line, const char *args)
+{
+ g_assert_nonnull(local_test_path);
+
+ /* replace 'synth' driver by 'local' driver */
+ regex_replace(cmd_line, "-fsdev synth,", "-fsdev local,");
+
+ /* append 'path=...' to '-fsdev ...' group */
+ regex_replace(cmd_line, "(-fsdev \\w[^ ]*)", "\\1,path='%s'",
+ local_test_path);
+
+ if (!args) {
+ return;
+ }
+
+ /* append passed args to '-fsdev ...' group */
+ regex_replace(cmd_line, "(-fsdev \\w[^ ]*)", "\\1,%s", args);
+}
+
static void virtio_9p_register_nodes(void)
{
const char *str_simple = "fsdev=fsdev0,mount_tag=" MOUNT_TAG;
const char *str_addr = "fsdev=fsdev0,addr=04.0,mount_tag=" MOUNT_TAG;
+ /* make sure test dir for the 'local' tests exists and is clean */
+ init_local_test_path();
+ remove_local_test_dir();
+ create_local_test_dir();
+
QPCIAddress addr = {
.devfn = QPCI_DEVFN(4, 0),
};
diff --git a/tests/qtest/libqos/virtio-9p.h b/tests/qtest/libqos/virtio-9p.h
index b1e6badc4a..19a4d97454 100644
--- a/tests/qtest/libqos/virtio-9p.h
+++ b/tests/qtest/libqos/virtio-9p.h
@@ -44,4 +44,14 @@ struct QVirtio9PDevice {
QVirtio9P v9p;
};
+/**
+ * Prepares QEMU command line for 9pfs tests using the 'local' fs driver.
+ */
+void virtio_9p_assign_local_driver(GString *cmd_line, const char *args);
+
+/**
+ * Returns path on host to the passed guest path. Result must be freed.
+ */
+char *virtio_9p_test_path(const char *path);
+
#endif
diff --git a/tests/qtest/virtio-9p-test.c b/tests/qtest/virtio-9p-test.c
index de30b717b6..c15908f27b 100644
--- a/tests/qtest/virtio-9p-test.c
+++ b/tests/qtest/virtio-9p-test.c
@@ -18,6 +18,62 @@
#define QVIRTIO_9P_TIMEOUT_US (10 * 1000 * 1000)
static QGuestAllocator *alloc;
+/*
+ * Used to auto generate new fids. Start with arbitrary high value to avoid
+ * collision with hard coded fids in basic test code.
+ */
+static uint32_t fid_generator = 1000;
+
+static uint32_t genfid(void)
+{
+ return fid_generator++;
+}
+
+/**
+ * Splits the @a in string by @a delim into individual (non empty) strings
+ * and outputs them to @a out. The output array @a out is NULL terminated.
+ *
+ * Output array @a out must be freed by calling split_free().
+ *
+ * @returns number of individual elements in output array @a out (without the
+ * final NULL terminating element)
+ */
+static int split(const char *in, const char *delim, char ***out)
+{
+ int n = 0, i = 0;
+ char *tmp, *p;
+
+ tmp = g_strdup(in);
+ for (p = strtok(tmp, delim); p != NULL; p = strtok(NULL, delim)) {
+ if (strlen(p) > 0) {
+ ++n;
+ }
+ }
+ g_free(tmp);
+
+ *out = g_new0(char *, n + 1); /* last element NULL delimiter */
+
+ tmp = g_strdup(in);
+ for (p = strtok(tmp, delim); p != NULL; p = strtok(NULL, delim)) {
+ if (strlen(p) > 0) {
+ (*out)[i++] = g_strdup(p);
+ }
+ }
+ g_free(tmp);
+
+ return n;
+}
+
+static void split_free(char ***out)
+{
+ int i;
+ for (i = 0; (*out)[i]; ++i) {
+ g_free((*out)[i]);
+ }
+ g_free(*out);
+ *out = NULL;
+}
+
static void pci_config(void *obj, void *data, QGuestAllocator *t_alloc)
{
QVirtio9P *v9p = obj;
@@ -201,6 +257,7 @@ static const char *rmessage_name(uint8_t id)
id == P9_RWALK ? "RWALK" :
id == P9_RLOPEN ? "RLOPEN" :
id == P9_RWRITE ? "RWRITE" :
+ id == P9_RMKDIR ? "RMKDIR" :
id == P9_RFLUSH ? "RFLUSH" :
id == P9_RREADDIR ? "READDIR" :
"<unknown>";
@@ -578,6 +635,39 @@ static bool fs_dirents_contain_name(struct V9fsDirent *e, const char* name)
return false;
}
+/* size[4] Tmkdir tag[2] dfid[4] name[s] mode[4] gid[4] */
+static P9Req *v9fs_tmkdir(QVirtio9P *v9p, uint32_t dfid, const char *name,
+ uint32_t mode, uint32_t gid, uint16_t tag)
+{
+ P9Req *req;
+
+ uint32_t body_size = 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_TMKDIR, tag);
+ v9fs_uint32_write(req, dfid);
+ v9fs_string_write(req, name);
+ v9fs_uint32_write(req, mode);
+ v9fs_uint32_write(req, gid);
+ v9fs_req_send(req);
+ return req;
+}
+
+/* size[4] Rmkdir tag[2] qid[13] */
+static void v9fs_rmkdir(P9Req *req, v9fs_qid *qid)
+{
+ v9fs_req_recv(req, P9_RMKDIR);
+ if (qid) {
+ v9fs_memread(req, qid, 13);
+ } else {
+ v9fs_memskip(req, 13);
+ }
+ v9fs_req_free(req);
+}
+
/* basic readdir test where reply fits into a single response message */
static void fs_readdir(void *obj, void *data, QGuestAllocator *t_alloc)
{
@@ -877,6 +967,30 @@ static void fs_flush_ignored(void *obj, void *data, QGuestAllocator *t_alloc)
g_free(wnames[0]);
}
+static void fs_mkdir(void *obj, void *data, QGuestAllocator *t_alloc,
+ const char *path, const char *cname)
+{
+ QVirtio9P *v9p = obj;
+ alloc = t_alloc;
+ char **wnames;
+ char *const name = g_strdup(cname);
+ P9Req *req;
+ const uint32_t fid = genfid();
+
+ int nwnames = split(path, "/", &wnames);
+
+ req = v9fs_twalk(v9p, 0, fid, nwnames, wnames, 0);
+ v9fs_req_wait_for_reply(req, NULL);
+ v9fs_rwalk(req, NULL, NULL);
+
+ req = v9fs_tmkdir(v9p, fid, name, 0750, 0, 0);
+ v9fs_req_wait_for_reply(req, NULL);
+ v9fs_rmkdir(req, NULL);
+
+ g_free(name);
+ split_free(&wnames);
+}
+
static void fs_readdir_split_128(void *obj, void *data,
QGuestAllocator *t_alloc)
{
@@ -895,29 +1009,70 @@ static void fs_readdir_split_512(void *obj, void *data,
fs_readdir_split(obj, data, t_alloc, 512);
}
+
+/* tests using the 9pfs 'local' fs driver */
+
+static void fs_create_dir(void *obj, void *data, QGuestAllocator *t_alloc)
+{
+ QVirtio9P *v9p = obj;
+ struct stat st;
+ char *root_path = virtio_9p_test_path("");
+ char *new_dir = virtio_9p_test_path("01");
+
+ g_assert(root_path != NULL);
+
+ fs_attach(v9p, NULL, t_alloc);
+ fs_mkdir(v9p, data, t_alloc, "/", "01");
+
+ /* check if created directory really exists now ... */
+ g_assert(stat(new_dir, &st) == 0);
+ /* ... and is actually a directory */
+ g_assert((st.st_mode & S_IFMT) == S_IFDIR);
+
+ g_free(new_dir);
+ g_free(root_path);
+}
+
+static void *assign_9p_local_driver(GString *cmd_line, void *arg)
+{
+ virtio_9p_assign_local_driver(cmd_line, "security_model=mapped-xattr");
+ return arg;
+}
+
static void register_virtio_9p_test(void)
{
- qos_add_test("config", "virtio-9p", pci_config, NULL);
- qos_add_test("fs/version/basic", "virtio-9p", fs_version, NULL);
- qos_add_test("fs/attach/basic", "virtio-9p", fs_attach, NULL);
- qos_add_test("fs/walk/basic", "virtio-9p", fs_walk, NULL);
- qos_add_test("fs/walk/no_slash", "virtio-9p", fs_walk_no_slash,
- NULL);
- qos_add_test("fs/walk/dotdot_from_root", "virtio-9p",
- fs_walk_dotdot, NULL);
- qos_add_test("fs/lopen/basic", "virtio-9p", fs_lopen, NULL);
- qos_add_test("fs/write/basic", "virtio-9p", fs_write, NULL);
- qos_add_test("fs/flush/success", "virtio-9p", fs_flush_success,
- NULL);
- qos_add_test("fs/flush/ignored", "virtio-9p", fs_flush_ignored,
- NULL);
- qos_add_test("fs/readdir/basic", "virtio-9p", fs_readdir, NULL);
- qos_add_test("fs/readdir/split_512", "virtio-9p",
- fs_readdir_split_512, NULL);
- qos_add_test("fs/readdir/split_256", "virtio-9p",
- fs_readdir_split_256, NULL);
- qos_add_test("fs/readdir/split_128", "virtio-9p",
- fs_readdir_split_128, NULL);
+
+ QOSGraphTestOptions opts = {
+ };
+
+ /* 9pfs test cases using the 'synth' filesystem driver */
+ qos_add_test("synth/config", "virtio-9p", pci_config, &opts);
+ qos_add_test("synth/version/basic", "virtio-9p", fs_version, &opts);
+ qos_add_test("synth/attach/basic", "virtio-9p", fs_attach, &opts);
+ qos_add_test("synth/walk/basic", "virtio-9p", fs_walk, &opts);
+ qos_add_test("synth/walk/no_slash", "virtio-9p", fs_walk_no_slash,
+ &opts);
+ qos_add_test("synth/walk/dotdot_from_root", "virtio-9p",
+ fs_walk_dotdot, &opts);
+ qos_add_test("synth/lopen/basic", "virtio-9p", fs_lopen, &opts);
+ qos_add_test("synth/write/basic", "virtio-9p", fs_write, &opts);
+ qos_add_test("synth/flush/success", "virtio-9p", fs_flush_success,
+ &opts);
+ qos_add_test("synth/flush/ignored", "virtio-9p", fs_flush_ignored,
+ &opts);
+ qos_add_test("synth/readdir/basic", "virtio-9p", fs_readdir, &opts);
+ qos_add_test("synth/readdir/split_512", "virtio-9p",
+ fs_readdir_split_512, &opts);
+ qos_add_test("synth/readdir/split_256", "virtio-9p",
+ fs_readdir_split_256, &opts);
+ qos_add_test("synth/readdir/split_128", "virtio-9p",
+ fs_readdir_split_128, &opts);
+
+
+ /* 9pfs test cases using the 'local' filesystem driver */
+ opts.before = assign_9p_local_driver;
+ qos_add_test("local/config", "virtio-9p", pci_config, &opts);
+ qos_add_test("local/create_dir", "virtio-9p", fs_create_dir, &opts);
}
libqos_init(register_virtio_9p_test);
generated by cgit v1.2.3 (git 2.26.2) at 2025-03-19 13:43:40 +0000