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qemu/tests/qtest/cxl-test.c
Thomas Huth b197ea8636 tests/qtest/cxl-test: Clean up temporary directories after testing 
It's good style to clean up temporary directories when they
are not needed anymore.

Message-Id: <20230622114132.372898-1-thuth@redhat.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-06-26 09:01:33 +02:00

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/*
* QTest testcase for CXL
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#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 " \
"-M cxl-fmw.0.targets.0=cxl.0,cxl-fmw.0.size=4G "
#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 " \
"-M cxl-fmw.0.targets.0=cxl.0,cxl-fmw.0.targets.1=cxl.1,cxl-fmw.0.size=4G "
#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_DEPRECATED \
"-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_T3D_PMEM \
"-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,persistent-memdev=cxl-mem0,lsa=lsa0,id=pmem0 "
#define QEMU_T3D_VMEM \
"-object memory-backend-ram,id=cxl-mem0,size=256M " \
"-device cxl-type3,bus=rp0,volatile-memdev=cxl-mem0,id=mem0 "
#define QEMU_T3D_VMEM_LSA \
"-object memory-backend-ram,id=cxl-mem0,size=256M " \
"-object memory-backend-file,id=lsa0,mem-path=%s,size=256M " \
"-device cxl-type3,bus=rp0,volatile-memdev=cxl-mem0,lsa=lsa0,id=mem0 "
#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,persistent-memdev=cxl-mem0,lsa=lsa0,id=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,persistent-memdev=cxl-mem1,lsa=lsa1,id=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,persistent-memdev=cxl-mem0,lsa=lsa0,id=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,persistent-memdev=cxl-mem1,lsa=lsa1,id=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,persistent-memdev=cxl-mem2,lsa=lsa2,id=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,persistent-memdev=cxl-mem3,lsa=lsa3,id=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();
}
#ifdef CONFIG_POSIX
static void cxl_t3d_deprecated(void)
{
g_autoptr(GString) cmdline = g_string_new(NULL);
g_autofree const char *tmpfs = NULL;
tmpfs = g_dir_make_tmp("cxl-test-XXXXXX", NULL);
g_string_printf(cmdline, QEMU_PXB_CMD QEMU_RP QEMU_T3D_DEPRECATED,
tmpfs, tmpfs);
qtest_start(cmdline->str);
qtest_end();
rmdir(tmpfs);
}
static void cxl_t3d_persistent(void)
{
g_autoptr(GString) cmdline = g_string_new(NULL);
g_autofree const char *tmpfs = NULL;
tmpfs = g_dir_make_tmp("cxl-test-XXXXXX", NULL);
g_string_printf(cmdline, QEMU_PXB_CMD QEMU_RP QEMU_T3D_PMEM,
tmpfs, tmpfs);
qtest_start(cmdline->str);
qtest_end();
rmdir(tmpfs);
}
static void cxl_t3d_volatile(void)
{
g_autoptr(GString) cmdline = g_string_new(NULL);
g_string_printf(cmdline, QEMU_PXB_CMD QEMU_RP QEMU_T3D_VMEM);
qtest_start(cmdline->str);
qtest_end();
}
static void cxl_t3d_volatile_lsa(void)
{
g_autoptr(GString) cmdline = g_string_new(NULL);
g_autofree const char *tmpfs = NULL;
tmpfs = g_dir_make_tmp("cxl-test-XXXXXX", NULL);
g_string_printf(cmdline, QEMU_PXB_CMD QEMU_RP QEMU_T3D_VMEM_LSA,
tmpfs);
qtest_start(cmdline->str);
qtest_end();
rmdir(tmpfs);
}
static void cxl_1pxb_2rp_2t3d(void)
{
g_autoptr(GString) cmdline = g_string_new(NULL);
g_autofree const char *tmpfs = NULL;
tmpfs = g_dir_make_tmp("cxl-test-XXXXXX", NULL);
g_string_printf(cmdline, QEMU_PXB_CMD QEMU_2RP QEMU_2T3D,
tmpfs, tmpfs, tmpfs, tmpfs);
qtest_start(cmdline->str);
qtest_end();
rmdir(tmpfs);
}
static void cxl_2pxb_4rp_4t3d(void)
{
g_autoptr(GString) cmdline = g_string_new(NULL);
g_autofree const char *tmpfs = NULL;
tmpfs = g_dir_make_tmp("cxl-test-XXXXXX", NULL);
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();
rmdir(tmpfs);
}
#endif /* CONFIG_POSIX */
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);
#ifdef CONFIG_POSIX
qtest_add_func("/pci/cxl/type3_device", cxl_t3d_deprecated);
qtest_add_func("/pci/cxl/type3_device_pmem", cxl_t3d_persistent);
qtest_add_func("/pci/cxl/type3_device_vmem", cxl_t3d_volatile);
qtest_add_func("/pci/cxl/type3_device_vmem_lsa", cxl_t3d_volatile_lsa);
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);
#endif
return g_test_run();
}
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