From patchwork Wed Dec 18 13:30:43 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Schoenebeck X-Patchwork-Id: 11300993 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 95E6E109A for ; Wed, 18 Dec 2019 15:09:08 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2910E218AC for ; Wed, 18 Dec 2019 15:09:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=crudebyte.com header.i=@crudebyte.com header.b="LxsxYt1C" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2910E218AC Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=crudebyte.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:55436 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ihawl-0003vB-1k for patchwork-qemu-devel@patchwork.kernel.org; Wed, 18 Dec 2019 10:09:07 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:60021) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ihawF-0003Tf-Nw for qemu-devel@nongnu.org; Wed, 18 Dec 2019 10:08:37 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ihawE-0003SZ-4y for qemu-devel@nongnu.org; Wed, 18 Dec 2019 10:08:35 -0500 Received: from lizzy.crudebyte.com ([91.194.90.13]:52141) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ihawD-0006FQ-KN for qemu-devel@nongnu.org; Wed, 18 Dec 2019 10:08:34 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=crudebyte.com; s=lizzy; h=Subject:Date:Cc:To:From:References:In-Reply-To: Message-Id:Content-Type:Content-Transfer-Encoding:MIME-Version:Content-ID: Content-Description; bh=qIKNwOBYoiZIKrTToOWeUyN8KcypATIyiBDvg/u2X54=; b=LxsxY t1CG7a8ljFxs3XKf9WXE0AHpMn3T9oQsPUpzVppgMFPLI5ZJb/JHhjbvUEKl+YBx85fD5BodTKWdE 8OxlK2XjynbpY/be5f7Q71xTqv8Sjg8/21f1/XZvx0MbttADP04QhOsvmNuDX7+uxuXCDaY4FNLvY GUjURJRQs7J5sLxt1CNVv5hcnuS4Hs5n9jVJd2BQjxVeb6ux6ZELgq/NQp09m++chFWclzkciZSJW XdNL1Nk6/JFr6VPh0deYdW4H/ipEUonIcfKWEX7ulFRM3zPBqUu2kHuTJWg6eWhRNAHxCqPIjWjas 6enTWuGGpJs9vlHrizkjBlb9XTkiw==; Message-Id: In-Reply-To: References: From: Christian Schoenebeck To: qemu-devel@nongnu.org Cc: Greg Kurz Date: Wed, 18 Dec 2019 14:30:43 +0100 Subject: [PATCH v2 4/9] tests/virtio-9p: added readdir test X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 91.194.90.13 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" This first readdir test simply checks the amount of directory entries returned by 9pfs server, according to the created amount of virtual files on 9pfs synth driver side. Signed-off-by: Christian Schoenebeck --- tests/virtio-9p-test.c | 124 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 124 insertions(+) diff --git a/tests/virtio-9p-test.c b/tests/virtio-9p-test.c index 06263edb53..48c0eca292 100644 --- a/tests/virtio-9p-test.c +++ b/tests/virtio-9p-test.c @@ -68,6 +68,11 @@ static void v9fs_memread(P9Req *req, void *addr, size_t len) req->r_off += len; } +static void v9fs_uint8_read(P9Req *req, uint8_t *val) +{ + v9fs_memread(req, val, 1); +} + static void v9fs_uint16_write(P9Req *req, uint16_t val) { uint16_t le_val = cpu_to_le16(val); @@ -101,6 +106,12 @@ static void v9fs_uint32_read(P9Req *req, uint32_t *val) le32_to_cpus(val); } +static void v9fs_uint64_read(P9Req *req, uint64_t *val) +{ + v9fs_memread(req, val, 8); + le64_to_cpus(val); +} + /* len[2] string[len] */ static uint16_t v9fs_string_size(const char *string) { @@ -191,6 +202,7 @@ static const char *rmessage_name(uint8_t id) id == P9_RLOPEN ? "RLOPEN" : id == P9_RWRITE ? "RWRITE" : id == P9_RFLUSH ? "RFLUSH" : + id == P9_RREADDIR ? "READDIR" : ""; } @@ -348,6 +360,79 @@ static void v9fs_rwalk(P9Req *req, uint16_t *nwqid, v9fs_qid **wqid) v9fs_req_free(req); } +/* size[4] Treaddir tag[2] fid[4] offset[8] count[4] */ +static P9Req *v9fs_treaddir(QVirtio9P *v9p, uint32_t fid, uint64_t offset, + uint32_t count, uint16_t tag) +{ + P9Req *req; + + req = v9fs_req_init(v9p, 4 + 8 + 4, P9_TREADDIR, tag); + v9fs_uint32_write(req, fid); + v9fs_uint64_write(req, offset); + v9fs_uint32_write(req, count); + v9fs_req_send(req); + return req; +} + +struct v9fs_dirent { + v9fs_qid qid; + uint64_t offset; + uint8_t type; + char *name; + struct v9fs_dirent *next; +}; + +/* size[4] Rreaddir tag[2] count[4] data[count] */ +static void v9fs_rreaddir(P9Req *req, uint32_t *count, uint32_t *nentries, + struct v9fs_dirent **entries) +{ + uint32_t sz; + struct v9fs_dirent *e = NULL; + uint16_t slen; + uint32_t n = 0; + + v9fs_req_recv(req, P9_RREADDIR); + v9fs_uint32_read(req, &sz); + + if (count) { + *count = sz; + } + + for (int32_t togo = (int32_t)sz; + togo >= 13 + 8 + 1 + 2; + togo -= 13 + 8 + 1 + 2 + slen, ++n) + { + if (!e) { + e = g_malloc(sizeof(struct v9fs_dirent)); + if (entries) + *entries = e; + } else { + e = e->next = g_malloc(sizeof(struct v9fs_dirent)); + } + e->next = NULL; + /* qid[13] offset[8] type[1] name[s] */ + v9fs_memread(req, &e->qid, 13); + v9fs_uint64_read(req, &e->offset); + v9fs_uint8_read(req, &e->type); + v9fs_string_read(req, &slen, &e->name); + } + + if (nentries) { + *nentries = n; + } +} + +static void v9fs_free_dirents(struct v9fs_dirent *e) +{ + struct v9fs_dirent *next = NULL; + + for (; e; e = next) { + next = e->next; + g_free(e->name); + g_free(e); + } +} + /* size[4] Tlopen tag[2] fid[4] flags[4] */ static P9Req *v9fs_tlopen(QVirtio9P *v9p, uint32_t fid, uint32_t flags, uint16_t tag) @@ -480,6 +565,44 @@ static void fs_walk(void *obj, void *data, QGuestAllocator *t_alloc) g_free(wqid); } +static void fs_readdir(void *obj, void *data, QGuestAllocator *t_alloc) +{ + QVirtio9P *v9p = obj; + alloc = t_alloc; + char *const wnames[] = { g_strdup(QTEST_V9FS_SYNTH_READDIR_DIR) }; + uint16_t nqid; + v9fs_qid qid; + uint32_t count, nentries; + struct v9fs_dirent *entries = NULL; + P9Req *req; + + fs_attach(v9p, NULL, t_alloc); + req = v9fs_twalk(v9p, 0, 1, 1, wnames, 0); + v9fs_req_wait_for_reply(req, NULL); + v9fs_rwalk(req, &nqid, NULL); + g_assert_cmpint(nqid, ==, 1); + + req = v9fs_tlopen(v9p, 1, O_DIRECTORY, 0); + v9fs_req_wait_for_reply(req, NULL); + v9fs_rlopen(req, &qid, NULL); + + req = v9fs_treaddir(v9p, 1, 0, P9_MAX_SIZE - P9_IOHDRSZ, 0); + v9fs_req_wait_for_reply(req, NULL); + v9fs_rreaddir(req, &count, &nentries, &entries); + + /* + * Assuming msize (P9_MAX_SIZE) is large enough so we can retrieve all + * dir entries with only one readdir request. + */ + g_assert_cmpint( + nentries, ==, + QTEST_V9FS_SYNTH_READDIR_NFILES + 2 /* "." and ".." */ + ); + + v9fs_free_dirents(entries); + g_free(wnames[0]); +} + static void fs_walk_no_slash(void *obj, void *data, QGuestAllocator *t_alloc) { QVirtio9P *v9p = obj; @@ -658,6 +781,7 @@ static void register_virtio_9p_test(void) NULL); qos_add_test("fs/flush/ignored", "virtio-9p", fs_flush_ignored, NULL); + qos_add_test("fs/readdir/basic", "virtio-9p", fs_readdir, NULL); } libqos_init(register_virtio_9p_test);