From nobody Mon Feb 9 02:27:44 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1643050723; cv=none; d=zohomail.com; s=zohoarc; b=OAsXG7fC3/dDF5f6dW1I2Dd1aGCSiNboHiP3h75ielB0JV52l2pUJiMXbgVZZIW/r8BlzbIQH8WPQXgKZEAOA9nbsQoFkHfIkGsKXiIokxJrbnGG4qhXlweC5gYEOnv3dndVG6VH0Orx0lqcYHeBzb9exH2prPpNTAB0V41oHwU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1643050723; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=7LtAIm11JYeouHIuSiXe+0Ebt3N8VPX2peKG6W4Apvk=; b=IGcb6mjhTZ0QNmGgpz7hqrQYZ7224YWkz8dV6+FUPtb7rI66/XSIFcmRQPxLVCitVQ5ZxXcluKkJTz0Ekrlf1LYG5jj87ARRfArgKTeoat1g/9Spm9ShEDl+kxay8vkIZmkrDwtmRl2ulTUT6i9kR9aYuIIz/NNdVB6yVVkO70s= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1643050723253375.4973378552148; Mon, 24 Jan 2022 10:58:43 -0800 (PST) Received: from localhost ([::1]:38948 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nC4Y4-0001nf-KF for importer@patchew.org; Mon, 24 Jan 2022 13:58:40 -0500 Received: from eggs.gnu.org ([209.51.188.92]:60346) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nC3Id-0000Ei-04 for qemu-devel@nongnu.org; Mon, 24 Jan 2022 12:38:39 -0500 Received: from frasgout.his.huawei.com ([185.176.79.56]:2210) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nC3Ia-0002Yx-Qv for qemu-devel@nongnu.org; Mon, 24 Jan 2022 12:38:38 -0500 Received: from fraeml734-chm.china.huawei.com (unknown [172.18.147.200]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4JjHDw0HwGz67KsG; Tue, 25 Jan 2022 01:35:12 +0800 (CST) Received: from lhreml710-chm.china.huawei.com (10.201.108.61) by fraeml734-chm.china.huawei.com (10.206.15.215) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Mon, 24 Jan 2022 18:38:34 +0100 Received: from SecurePC-101-06.china.huawei.com (10.122.247.231) by lhreml710-chm.china.huawei.com (10.201.108.61) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Mon, 24 Jan 2022 17:38:34 +0000 To: , Marcel Apfelbaum , "Michael S . Tsirkin" , Igor Mammedov CC: , Ben Widawsky , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Peter Maydell , , Shameerali Kolothum Thodi , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Saransh Gupta1 , Shreyas Shah , Chris Browy , Samarth Saxena , "Dan Williams" Subject: [PATCH v4 42/42] qtest/cxl: Add very basic sanity tests Date: Mon, 24 Jan 2022 17:17:05 +0000 Message-ID: <20220124171705.10432-43-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220124171705.10432-1-Jonathan.Cameron@huawei.com> References: <20220124171705.10432-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.122.247.231] X-ClientProxiedBy: lhreml740-chm.china.huawei.com (10.201.108.190) To lhreml710-chm.china.huawei.com (10.201.108.61) X-CFilter-Loop: Reflected 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=185.176.79.56; envelope-from=jonathan.cameron@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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" Reply-to: Jonathan Cameron From: Jonathan Cameron via X-ZM-MESSAGEID: 1643050725866100003 Content-Type: text/plain; charset="utf-8" From: Ben Widawsky Simple 'does it boot tests' with up to 2x PXB host bridge, each with 2x CXL RP and each of those with a Type 3 memory device. Single CFMWS to interleave across the two HBs and ultimate the 4 devices. More complete tests may be possible but CXL interleave setup is complex so a lot of steps will be needed. Signed-off-by: Ben Widawsky Co-developed-by: Jonathan Cameron Signed-off-by: Jonathan Cameron --- tests/qtest/cxl-test.c | 151 ++++++++++++++++++++++++++++++++++++++++ tests/qtest/meson.build | 4 ++ 2 files changed, 155 insertions(+) diff --git a/tests/qtest/cxl-test.c b/tests/qtest/cxl-test.c new file mode 100644 index 0000000000..bbefbaa870 --- /dev/null +++ b/tests/qtest/cxl-test.c @@ -0,0 +1,151 @@ +/* + * QTest testcase for CXL + * + * This work is licensed under the terms of the GNU GPL, version 2 or late= r. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "libqtest-single.h" + +#define QEMU_PXB_CMD "-machine q35,cxl=3Don " \ + "-device pxb-cxl,id=3Dcxl.0,bus=3Dpcie.0,bus_nr=3D52,= uid=3D22 " \ + "-cxl-fixed-memory-window targets=3Dcxl.0,size=3D4G " + +#define QEMU_2PXB_CMD "-machine q35,cxl=3Don " \ + "-device pxb-cxl,id=3Dcxl.0,bus=3Dpcie.0,bus_nr=3D52= ,uid=3D22 " \ + "-device pxb-cxl,id=3Dcxl.1,bus=3Dpcie.0,bus_nr=3D53= ,uid=3D122 " \ + "-cxl-fixed-memory-window targets=3Dcxl.0,targets=3D= cxl.1,size=3D4G " + +#define QEMU_RP "-device cxl-rp,id=3Drp0,bus=3Dcxl.0,chassis=3D0,slot=3D0 " + +/* Dual ports on first pxb */ +#define QEMU_2RP "-device cxl-rp,id=3Drp0,bus=3Dcxl.0,chassis=3D0,slot=3D0= " \ + "-device cxl-rp,id=3Drp1,bus=3Dcxl.0,chassis=3D0,slot=3D1= " + +/* Dual ports on each of the pxb instances */ +#define QEMU_4RP "-device cxl-rp,id=3Drp0,bus=3Dcxl.0,chassis=3D0,slot=3D0= " \ + "-device cxl-rp,id=3Drp1,bus=3Dcxl.0,chassis=3D0,slot=3D1= " \ + "-device cxl-rp,id=3Drp2,bus=3Dcxl.1,chassis=3D0,slot=3D2= " \ + "-device cxl-rp,id=3Drp3,bus=3Dcxl.1,chassis=3D0,slot=3D3= " + +#define QEMU_T3D "-object memory-backend-file,id=3Dcxl-mem0,mem-path=3D%s,= size=3D256M " \ + "-device cxl-type3,bus=3Drp0,memdev=3Dcxl-mem0,id=3Dcxl-p= mem0,size=3D256M " + +#define QEMU_2T3D "-object memory-backend-file,id=3Dcxl-mem0,mem-path=3D%s= ,size=3D256M " \ + "-device cxl-type3,bus=3Drp0,memdev=3Dcxl-mem0,id=3Dcxl-= pmem0,size=3D256M " \ + "-object memory-backend-file,id=3Dcxl-mem1,mem-path=3D%s= ,size=3D256M " \ + "-device cxl-type3,bus=3Drp1,memdev=3Dcxl-mem1,id=3Dcxl-= pmem1,size=3D256M " + +#define QEMU_4T3D "-object memory-backend-file,id=3Dcxl-mem0,mem-path=3D%s= ,size=3D256M " \ + "-device cxl-type3,bus=3Drp0,memdev=3Dcxl-mem0,id=3Dcxl-= pmem0,size=3D256M " \ + "-object memory-backend-file,id=3Dcxl-mem1,mem-path=3D%s= ,size=3D256M " \ + "-device cxl-type3,bus=3Drp1,memdev=3Dcxl-mem1,id=3Dcxl-= pmem1,size=3D256M " \ + "-object memory-backend-file,id=3Dcxl-mem2,mem-path=3D%s= ,size=3D256M " \ + "-device cxl-type3,bus=3Drp2,memdev=3Dcxl-mem2,id=3Dcxl-= pmem2,size=3D256M " \ + "-object memory-backend-file,id=3Dcxl-mem3,mem-path=3D%s= ,size=3D256M " \ + "-device cxl-type3,bus=3Drp3,memdev=3Dcxl-mem3,id=3Dcxl-= pmem3,size=3D256M " + +static void cxl_basic_hb(void) +{ + qtest_start("-machine q35,cxl=3Don"); + qtest_end(); +} + +static void cxl_basic_pxb(void) +{ + qtest_start("-machine q35,cxl=3Don -device pxb-cxl,bus=3Dpcie.0,uid=3D= 22"); + qtest_end(); +} + +static void cxl_pxb_with_window(void) +{ + qtest_start(QEMU_PXB_CMD); + qtest_end(); +} + +static void cxl_2pxb_with_window(void) +{ + qtest_start(QEMU_2PXB_CMD); + qtest_end(); +} + +static void cxl_root_port(void) +{ + qtest_start(QEMU_PXB_CMD QEMU_RP); + qtest_end(); +} + +static void cxl_2root_port(void) +{ + qtest_start(QEMU_PXB_CMD QEMU_2RP); + qtest_end(); +} + +static void cxl_t3d(void) +{ + GString *cmdline; + char template[] =3D "/tmp/cxl-test-XXXXXX"; + const char *tmpfs; + + tmpfs =3D mkdtemp(template); + + cmdline =3D g_string_new(NULL); + g_string_printf(cmdline, QEMU_PXB_CMD QEMU_RP QEMU_T3D, tmpfs); + + qtest_start(cmdline->str); + qtest_end(); + + g_string_free(cmdline, TRUE); +} + +static void cxl_1pxb_2rp_2t3d(void) +{ + GString *cmdline; + char template[] =3D "/tmp/cxl-test-XXXXXX"; + const char *tmpfs; + + tmpfs =3D mkdtemp(template); + + cmdline =3D g_string_new(NULL); + g_string_printf(cmdline, QEMU_PXB_CMD QEMU_2RP QEMU_2T3D, tmpfs, tmpfs= ); + + qtest_start(cmdline->str); + qtest_end(); + + g_string_free(cmdline, TRUE); +} + +static void cxl_2pxb_4rp_4t3d(void) +{ + GString *cmdline; + char template[] =3D "/tmp/cxl-test-XXXXXX"; + const char *tmpfs; + + tmpfs =3D mkdtemp(template); + + cmdline =3D g_string_new(NULL); + g_string_printf(cmdline, QEMU_2PXB_CMD QEMU_4RP QEMU_4T3D, + tmpfs, tmpfs, tmpfs, tmpfs); + + qtest_start(cmdline->str); + qtest_end(); + + g_string_free(cmdline, TRUE); +} + +int main(int argc, char **argv) +{ + g_test_init(&argc, &argv, NULL); + + qtest_add_func("/pci/cxl/basic_hostbridge", cxl_basic_hb); + qtest_add_func("/pci/cxl/basic_pxb", cxl_basic_pxb); + qtest_add_func("/pci/cxl/pxb_with_window", cxl_pxb_with_window); + qtest_add_func("/pci/cxl/pxb_x2_with_window", cxl_2pxb_with_window); + qtest_add_func("/pci/cxl/rp", cxl_root_port); + qtest_add_func("/pci/cxl/rp_x2", cxl_2root_port); + qtest_add_func("/pci/cxl/type3_device", cxl_t3d); + qtest_add_func("/pci/cxl/rp_x2_type3_x2", cxl_1pxb_2rp_2t3d); + qtest_add_func("/pci/cxl/pxb_x2_root_port_x4_type3_x4", cxl_2pxb_4rp_4= t3d); + return g_test_run(); +} diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build index 26937deb6d..a016449657 100644 --- a/tests/qtest/meson.build +++ b/tests/qtest/meson.build @@ -41,6 +41,9 @@ qtests_pci =3D \ (config_all_devices.has_key('CONFIG_VGA') ? ['display-vga-test'] : []) += \ (config_all_devices.has_key('CONFIG_IVSHMEM_DEVICE') ? ['ivshmem-test'] = : []) =20 +qtests_cxl =3D \ + (config_all_devices.has_key('CONFIG_CXL') ? ['cxl-test'] : []) + qtests_i386 =3D \ (slirp.found() ? ['pxe-test', 'test-netfilter'] : []) + \ (config_host.has_key('CONFIG_POSIX') ? ['test-filter-mirror'] : []) + = \ @@ -74,6 +77,7 @@ qtests_i386 =3D \ slirp.found() ? ['virtio-net-failover'] : []) + = \ (unpack_edk2_blobs ? ['bios-tables-test'] : []) + = \ qtests_pci + = \ + qtests_cxl + = \ ['fdc-test', 'ide-test', 'hd-geo-test', --=20 2.32.0