[v6,42/43] qtest/cxl: Add aarch64 virt test for CXL

Commit Message

Jonathan Cameron Feb. 11, 2022, 12:07 p.m. UTC

Add a single complex case for aarch64 virt machine.

Signed-off-by: Jonathan Cameron <[e-mail]>
---
 tests/qtest/cxl-test.c  | 49 +++++++++++++++++++++++++++++++++--------
 tests/qtest/meson.build |  1 +
 2 files changed, 41 insertions(+), 9 deletions(-)

Patch

diff --git a/tests/qtest/cxl-test.c b/tests/qtest/cxl-test.c
index 1cdf5d8b5d..dc1196b641 100644
--- a/tests/qtest/cxl-test.c
+++ b/tests/qtest/cxl-test.c
@@ -17,6 +17,11 @@ 
                       "-device pxb-cxl,id=cxl.1,bus=pcie.0,bus_nr=53 " \
                       "-cxl-fixed-memory-window targets=cxl.0,targets=cxl.1,size=4G "
 
+#define QEMU_VIRT_2PXB_CMD "-machine virt,cxl=on "                      \
+                      "-device pxb-cxl,id=cxl.0,bus=pcie.0,bus_nr=52 "  \
+                      "-device pxb-cxl,id=cxl.1,bus=pcie.0,bus_nr=53 "  \
+                      "-cxl-fixed-memory-window targets=cxl.0,targets=cxl.1,size=4G "
+
 #define QEMU_RP "-device cxl-rp,id=rp0,bus=cxl.0,chassis=0,slot=0 "
 
 /* Dual ports on first pxb */
@@ -134,17 +139,43 @@  static void cxl_2pxb_4rp_4t3d(void)
     g_string_free(cmdline, TRUE);
 }
 
+static void cxl_virt_2pxb_4rp_4t3d(void)
+{
+    GString *cmdline;
+    char template[] = "/tmp/cxl-test-XXXXXX";
+    const char *tmpfs;
+
+    tmpfs = mkdtemp(template);
+
+    cmdline = g_string_new(NULL);
+    g_string_printf(cmdline, QEMU_VIRT_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)
 {
+    const char *arch = qtest_get_arch();
+
     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_4t3d);
+    if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
+        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_4t3d);
+    } else if (strcmp(arch, "aarch64") == 0) {
+        qtest_add_func("/pci/cxl/virt/pxb_x2_root_port_x4_type3_x4",
+                       cxl_virt_2pxb_4rp_4t3d);
+    }
     return g_test_run();
 }
diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build
index 2ed69fbd13..647c3c0bc3 100644
--- a/tests/qtest/meson.build
+++ b/tests/qtest/meson.build
@@ -221,6 +221,7 @@  qtests_aarch64 = \
   (config_all_devices.has_key('CONFIG_TPM_TIS_SYSBUS') ? ['tpm-tis-device-test'] : []) +        \
   (config_all_devices.has_key('CONFIG_TPM_TIS_SYSBUS') ? ['tpm-tis-device-swtpm-test'] : []) +  \
   (config_all_devices.has_key('CONFIG_XLNX_ZYNQMP_ARM') ? ['xlnx-can-test', 'fuzz-xlnx-dp-test'] : []) + \
+  qtests_cxl +                                                                                  \
   ['arm-cpu-features',
    'numa-test',
    'boot-serial-test',