diff options
| -rw-r--r-- | hw/9pfs/9p-synth.c | 2 | ||||
| -rw-r--r-- | hw/9pfs/virtio-9p-device.c | 6 | ||||
| -rw-r--r-- | tests/qtest/libqos/virtio-9p.c | 100 | ||||
| -rw-r--r-- | tests/qtest/libqos/virtio-9p.h | 10 | ||||
| -rw-r--r-- | tests/qtest/virtio-9p-test.c | 197 |
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); |