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virtio,pc,pci: fixes,cleanups,features

Browse source 
most of CXL support
 fixes, cleanups all over the place
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of git://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

virtio,pc,pci: fixes,cleanups,features

most of CXL support
fixes, cleanups all over the place

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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# gpg: Signature made Mon 16 May 2022 01:48:50 PM PDT
# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [undefined]
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* tag 'for_upstream' of git://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (86 commits)
  vhost-user-scsi: avoid unlink(NULL) with fd passing
  virtio-net: don't handle mq request in userspace handler for vhost-vdpa
  vhost-vdpa: change name and polarity for vhost_vdpa_one_time_request()
  vhost-vdpa: backend feature should set only once
  vhost-net: fix improper cleanup in vhost_net_start
  vhost-vdpa: fix improper cleanup in net_init_vhost_vdpa
  virtio-net: align ctrl_vq index for non-mq guest for vhost_vdpa
  virtio-net: setup vhost_dev and notifiers for cvq only when feature is negotiated
  hw/i386/amd_iommu: Fix IOMMU event log encoding errors
  hw/i386: Make pic a property of common x86 base machine type
  hw/i386: Make pit a property of common x86 base machine type
  include/hw/pci/pcie_host: Correct PCIE_MMCFG_SIZE_MAX
  include/hw/pci/pcie_host: Correct PCIE_MMCFG_BUS_MASK
  docs/vhost-user: Clarifications for VHOST_USER_ADD/REM_MEM_REG
  vhost-user: more master/slave things
  virtio: add vhost support for virtio devices
  virtio: drop name parameter for virtio_init()
  virtio/vhost-user: dynamically assign VhostUserHostNotifiers
  hw/virtio/vhost-user: don't suppress F_CONFIG when supported
  include/hw: start documenting the vhost API
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2022-05-16 16:31:01 -07:00
commit eec398119f
131 changed files with 5352 additions and 577 deletions
Download patch file Download diff file Expand all files Collapse all files

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tests/data/acpi/q35/CEDT.cxl Normal file
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tests/data/acpi/q35/DSDT.cxl Normal file
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44
tests/qtest/bios-tables-test.c
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@ -1536,6 +1536,49 @@ static void test_acpi_q35_viot(void)
free_test_data(&data);
}
static void test_acpi_q35_cxl(void)
{
gchar *tmp_path = g_dir_make_tmp("qemu-test-cxl.XXXXXX", NULL);
gchar *params;
test_data data = {
.machine = MACHINE_Q35,
.variant = ".cxl",
};
/*
* A complex CXL setup.
*/
params = g_strdup_printf(" -machine cxl=on"
" -object memory-backend-file,id=cxl-mem1,mem-path=%s,size=256M"
" -object memory-backend-file,id=cxl-mem2,mem-path=%s,size=256M"
" -object memory-backend-file,id=cxl-mem3,mem-path=%s,size=256M"
" -object memory-backend-file,id=cxl-mem4,mem-path=%s,size=256M"
" -object memory-backend-file,id=lsa1,mem-path=%s,size=256M"
" -object memory-backend-file,id=lsa2,mem-path=%s,size=256M"
" -object memory-backend-file,id=lsa3,mem-path=%s,size=256M"
" -object memory-backend-file,id=lsa4,mem-path=%s,size=256M"
" -device pxb-cxl,bus_nr=12,bus=pcie.0,id=cxl.1"
" -device pxb-cxl,bus_nr=222,bus=pcie.0,id=cxl.2"
" -device cxl-rp,port=0,bus=cxl.1,id=rp1,chassis=0,slot=2"
" -device cxl-type3,bus=rp1,memdev=cxl-mem1,lsa=lsa1"
" -device cxl-rp,port=1,bus=cxl.1,id=rp2,chassis=0,slot=3"
" -device cxl-type3,bus=rp2,memdev=cxl-mem2,lsa=lsa2"
" -device cxl-rp,port=0,bus=cxl.2,id=rp3,chassis=0,slot=5"
" -device cxl-type3,bus=rp3,memdev=cxl-mem3,lsa=lsa3"
" -device cxl-rp,port=1,bus=cxl.2,id=rp4,chassis=0,slot=6"
" -device cxl-type3,bus=rp4,memdev=cxl-mem4,lsa=lsa4"
" -cxl-fixed-memory-window targets.0=cxl.1,size=4G,interleave-granularity=8k"
" -cxl-fixed-memory-window targets.0=cxl.1,targets.1=cxl.2,size=4G,interleave-granularity=8k",
tmp_path, tmp_path, tmp_path, tmp_path,
tmp_path, tmp_path, tmp_path, tmp_path);
test_acpi_one(params, &data);
g_free(params);
g_assert(g_rmdir(tmp_path) == 0);
g_free(tmp_path);
free_test_data(&data);
}
static void test_acpi_virt_viot(void)
{
test_data data = {
@ -1741,6 +1784,7 @@ int main(int argc, char *argv[])
qtest_add_func("acpi/q35/kvm/dmar", test_acpi_q35_kvm_dmar);
}
qtest_add_func("acpi/q35/viot", test_acpi_q35_viot);
qtest_add_func("acpi/q35/cxl", test_acpi_q35_cxl);
qtest_add_func("acpi/q35/slic", test_acpi_q35_slic);
} else if (strcmp(arch, "aarch64") == 0) {
if (has_tcg) {

151
tests/qtest/cxl-test.c Normal file
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@ -0,0 +1,151 @@
/*
* 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 " \
"-cxl-fixed-memory-window targets.0=cxl.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 " \
"-cxl-fixed-memory-window targets.0=cxl.0,targets.1=cxl.1,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 "-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();
}

4
tests/qtest/meson.build
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@ -35,6 +35,9 @@ qtests_pci = \
(config_all_devices.has_key('CONFIG_VGA') ? ['display-vga-test'] : []) + \
(config_all_devices.has_key('CONFIG_IVSHMEM_DEVICE') ? ['ivshmem-test'] : [])
qtests_cxl = \
(config_all_devices.has_key('CONFIG_CXL') ? ['cxl-test'] : [])
qtests_i386 = \
(slirp.found() ? ['pxe-test', 'test-netfilter'] : []) + \
(config_host.has_key('CONFIG_POSIX') ? ['test-filter-mirror'] : []) + \
@ -74,6 +77,7 @@ qtests_i386 = \
slirp.found() ? ['virtio-net-failover'] : []) + \
(unpack_edk2_blobs ? ['bios-tables-test'] : []) + \
qtests_pci + \
qtests_cxl + \
['fdc-test',
'ide-test',
'hd-geo-test',