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Tsirkin" , Stefano Garzarella Subject: [PATCH v6 12/12] tests/qtest/vhost-user-test: add a test case for memory-backend-shm Date: Tue, 28 May 2024 12:38:36 +0200 Message-ID: <20240528103836.146338-1-sgarzare@redhat.com> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240528103543.145412-1-sgarzare@redhat.com> References: <20240528103543.145412-1-sgarzare@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=sgarzare@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.034, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1716892768689100001 Content-Type: text/plain; charset="utf-8" `memory-backend-shm` can be used with vhost-user devices, so let's add a new test case for it. Acked-by: Thomas Huth Acked-by: Stefan Hajnoczi Reviewed-by: David Hildenbrand Signed-off-by: Stefano Garzarella --- tests/qtest/vhost-user-test.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/tests/qtest/vhost-user-test.c b/tests/qtest/vhost-user-test.c index d4e437265f..8c1d903b2a 100644 --- a/tests/qtest/vhost-user-test.c +++ b/tests/qtest/vhost-user-test.c @@ -44,6 +44,8 @@ "mem-path=3D%s,share=3Don -numa node,memdev=3Dmem" #define QEMU_CMD_MEMFD " -m %d -object memory-backend-memfd,id=3Dmem,size= =3D%dM," \ " -numa node,memdev=3Dmem" +#define QEMU_CMD_SHM " -m %d -object memory-backend-shm,id=3Dmem,size= =3D%dM," \ + " -numa node,memdev=3Dmem" #define QEMU_CMD_CHR " -chardev socket,id=3D%s,path=3D%s%s" #define QEMU_CMD_NETDEV " -netdev vhost-user,id=3Dhs0,chardev=3D%s,vhostfo= rce=3Don" =20 @@ -195,6 +197,7 @@ enum test_memfd { TEST_MEMFD_AUTO, TEST_MEMFD_YES, TEST_MEMFD_NO, + TEST_MEMFD_SHM, }; =20 static void append_vhost_net_opts(TestServer *s, GString *cmd_line, @@ -228,6 +231,8 @@ static void append_mem_opts(TestServer *server, GString= *cmd_line, =20 if (memfd =3D=3D TEST_MEMFD_YES) { g_string_append_printf(cmd_line, QEMU_CMD_MEMFD, size, size); + } else if (memfd =3D=3D TEST_MEMFD_SHM) { + g_string_append_printf(cmd_line, QEMU_CMD_SHM, size, size); } else { const char *root =3D init_hugepagefs() ? : server->tmpfs; =20 @@ -788,6 +793,19 @@ static void *vhost_user_test_setup_memfd(GString *cmd_= line, void *arg) return server; } =20 +static void *vhost_user_test_setup_shm(GString *cmd_line, void *arg) +{ + TestServer *server =3D test_server_new("vhost-user-test", arg); + test_server_listen(server); + + append_mem_opts(server, cmd_line, 256, TEST_MEMFD_SHM); + server->vu_ops->append_opts(server, cmd_line, ""); + + g_test_queue_destroy(vhost_user_test_cleanup, server); + + return server; +} + static void test_read_guest_mem(void *obj, void *arg, QGuestAllocator *all= oc) { TestServer *server =3D arg; @@ -1081,6 +1099,11 @@ static void register_vhost_user_test(void) "virtio-net", test_read_guest_mem, &opts); =20 + opts.before =3D vhost_user_test_setup_shm; + qos_add_test("vhost-user/read-guest-mem/shm", + "virtio-net", + test_read_guest_mem, &opts); + if (qemu_memfd_check(MFD_ALLOW_SEALING)) { opts.before =3D vhost_user_test_setup_memfd; qos_add_test("vhost-user/read-guest-mem/memfd", --=20 2.45.1