From: Jonathan Cameron <jonathan.came...@huawei.com> At this stage we can boot configurations with host bridges, root ports and type 3 memory devices, so add appropriate tests.
Signed-off-by: Jonathan Cameron <jonathan.came...@huawei.com> Reviewed-by: Alex Bennée <alex.ben...@linaro.org> Message-Id: <20220429144110.25167-23-jonathan.came...@huawei.com> Reviewed-by: Michael S. Tsirkin <m...@redhat.com> Signed-off-by: Michael S. Tsirkin <m...@redhat.com> --- tests/qtest/cxl-test.c | 127 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 127 insertions(+) diff --git a/tests/qtest/cxl-test.c b/tests/qtest/cxl-test.c index c031049930..5f0794e816 100644 --- a/tests/qtest/cxl-test.c +++ b/tests/qtest/cxl-test.c @@ -8,15 +8,142 @@ #include "qemu/osdep.h" #include "libqtest-single.h" +#define QEMU_PXB_CMD "-machine q35,cxl=on " \ + "-device pxb-cxl,id=cxl.0,bus=pcie.0,bus_nr=52 " + +#define QEMU_2PXB_CMD "-machine q35,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 " + +#define QEMU_RP "-device cxl-rp,id=rp0,bus=cxl.0,chassis=0,slot=0 " + +/* Dual ports on first pxb */ +#define QEMU_2RP "-device cxl-rp,id=rp0,bus=cxl.0,chassis=0,slot=0 " \ + "-device cxl-rp,id=rp1,bus=cxl.0,chassis=0,slot=1 " + +/* Dual ports on each of the pxb instances */ +#define QEMU_4RP "-device cxl-rp,id=rp0,bus=cxl.0,chassis=0,slot=0 " \ + "-device cxl-rp,id=rp1,bus=cxl.0,chassis=0,slot=1 " \ + "-device cxl-rp,id=rp2,bus=cxl.1,chassis=0,slot=2 " \ + "-device cxl-rp,id=rp3,bus=cxl.1,chassis=0,slot=3 " + +#define QEMU_T3D "-object memory-backend-file,id=cxl-mem0,mem-path=%s,size=256M " \ + "-object memory-backend-file,id=lsa0,mem-path=%s,size=256M " \ + "-device cxl-type3,bus=rp0,memdev=cxl-mem0,lsa=lsa0,id=cxl-pmem0 " + +#define QEMU_2T3D "-object memory-backend-file,id=cxl-mem0,mem-path=%s,size=256M " \ + "-object memory-backend-file,id=lsa0,mem-path=%s,size=256M " \ + "-device cxl-type3,bus=rp0,memdev=cxl-mem0,lsa=lsa0,id=cxl-pmem0 " \ + "-object memory-backend-file,id=cxl-mem1,mem-path=%s,size=256M " \ + "-object memory-backend-file,id=lsa1,mem-path=%s,size=256M " \ + "-device cxl-type3,bus=rp1,memdev=cxl-mem1,lsa=lsa1,id=cxl-pmem1 " + +#define QEMU_4T3D "-object memory-backend-file,id=cxl-mem0,mem-path=%s,size=256M " \ + "-object memory-backend-file,id=lsa0,mem-path=%s,size=256M " \ + "-device cxl-type3,bus=rp0,memdev=cxl-mem0,lsa=lsa0,id=cxl-pmem0 " \ + "-object memory-backend-file,id=cxl-mem1,mem-path=%s,size=256M " \ + "-object memory-backend-file,id=lsa1,mem-path=%s,size=256M " \ + "-device cxl-type3,bus=rp1,memdev=cxl-mem1,lsa=lsa1,id=cxl-pmem1 " \ + "-object memory-backend-file,id=cxl-mem2,mem-path=%s,size=256M " \ + "-object memory-backend-file,id=lsa2,mem-path=%s,size=256M " \ + "-device cxl-type3,bus=rp2,memdev=cxl-mem2,lsa=lsa2,id=cxl-pmem2 " \ + "-object memory-backend-file,id=cxl-mem3,mem-path=%s,size=256M " \ + "-object memory-backend-file,id=lsa3,mem-path=%s,size=256M " \ + "-device cxl-type3,bus=rp3,memdev=cxl-mem3,lsa=lsa3,id=cxl-pmem3 " + +static void cxl_basic_hb(void) +{ + qtest_start("-machine q35,cxl=on"); + qtest_end(); +} + static void cxl_basic_pxb(void) { qtest_start("-machine q35,cxl=on -device pxb-cxl,bus=pcie.0"); 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) +{ + g_autoptr(GString) cmdline = g_string_new(NULL); + char template[] = "/tmp/cxl-test-XXXXXX"; + const char *tmpfs; + + tmpfs = mkdtemp(template); + + g_string_printf(cmdline, QEMU_PXB_CMD QEMU_RP QEMU_T3D, tmpfs, tmpfs); + + qtest_start(cmdline->str); + qtest_end(); +} + +static void cxl_1pxb_2rp_2t3d(void) +{ + g_autoptr(GString) cmdline = g_string_new(NULL); + char template[] = "/tmp/cxl-test-XXXXXX"; + const char *tmpfs; + + tmpfs = mkdtemp(template); + + g_string_printf(cmdline, QEMU_PXB_CMD QEMU_2RP QEMU_2T3D, + tmpfs, tmpfs, tmpfs, tmpfs); + + qtest_start(cmdline->str); + qtest_end(); +} + +static void cxl_2pxb_4rp_4t3d(void) +{ + g_autoptr(GString) cmdline = g_string_new(NULL); + char template[] = "/tmp/cxl-test-XXXXXX"; + const char *tmpfs; + + tmpfs = mkdtemp(template); + + g_string_printf(cmdline, QEMU_2PXB_CMD QEMU_4RP QEMU_4T3D, + tmpfs, tmpfs, tmpfs, tmpfs, tmpfs, tmpfs, + tmpfs, tmpfs); + + qtest_start(cmdline->str); + qtest_end(); +} + 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_4t3d); return g_test_run(); } -- MST