pci, pc, virtio fixes and cleanups

A bunch of fixes all over the place.
 All of ACPI refactoring has been merged.
 Legacy pci commands have been dropped.
 virtio header cleanup
 initial patches from virtio-1.0 branch
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pci, pc, virtio fixes and cleanups

A bunch of fixes all over the place.
All of ACPI refactoring has been merged.
Legacy pci commands have been dropped.
virtio header cleanup
initial patches from virtio-1.0 branch

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

* remotes/mst/tags/for_upstream: (130 commits)
  acpi: drop unused code
  aml-build: comment fix
  acpi-build: fix typo in comment
  acpi: update generated files
  vhost user:support vhost user nic for non msi guests
  aml-build: fix build for glib < 2.22
  acpi: update generated files
  Makefile.target: binary depends on config-devices
  acpi-test-data: update after pci rewrite
  acpi, mem-hotplug: use PC_DIMM_SLOT_PROP in acpi_memory_plug_cb().
  pci-hotplug-old: Has been dead for five major releases, bury
  pci: Give a few helpers internal linkage
  acpi: make build_*() routines static to aml-build.c
  pc: acpi: remove not used anymore ssdt-[misc|pcihp].hex.generated blobs
  pc: acpi-build: drop template patching and create PCI bus tree dynamically
  tests: ACPI: update pc/SSDT.bridge due to new alg of PCI tree creation
  pc: acpi-build: simplify PCI bus tree generation
  tests: add ACPI blobs for qemu with bridge cases
  tests: bios-tables-test: add support for testing bridges
  tests: ACPI test blobs update due to PCI0._CRS changes
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Conflicts:
	hw/pci/pci-hotplug-old.c

tests/bios-tables-test.c

@@ -40,6 +40,7 @@ typedef struct {
 
 typedef struct {
     const char *machine;
+    const char *variant;
     uint32_t rsdp_addr;
     AcpiRsdpDescriptor rsdp_table;
     AcpiRsdtDescriptorRev1 rsdt_table;
@@ -396,13 +397,14 @@ static void dump_aml_files(test_data *data, bool rebuild)
     int i;
 
     for (i = 0; i < data->tables->len; ++i) {
+        const char *ext = data->variant ? data->variant : "";
         sdt = &g_array_index(data->tables, AcpiSdtTable, i);
         g_assert(sdt->aml);
 
         if (rebuild) {
             uint32_t signature = cpu_to_le32(sdt->header.signature);
-            aml_file = g_strdup_printf("%s/%s/%.4s", data_dir, data->machine,
-                                       (gchar *)&signature);
+            aml_file = g_strdup_printf("%s/%s/%.4s%s", data_dir, data->machine,
+                                       (gchar *)&signature, ext);
             fd = g_open(aml_file, O_WRONLY|O_TRUNC|O_CREAT,
                         S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH);
         } else {
@@ -509,7 +511,7 @@ static GArray *load_expected_aml(test_data *data)
 {
     int i;
     AcpiSdtTable *sdt;
-    gchar *aml_file;
+    gchar *aml_file = NULL;
     GError *error = NULL;
     gboolean ret;
 
@@ -517,6 +519,7 @@ static GArray *load_expected_aml(test_data *data)
     for (i = 0; i < data->tables->len; ++i) {
         AcpiSdtTable exp_sdt;
         uint32_t signature;
+        const char *ext = data->variant ? data->variant : "";
 
         sdt = &g_array_index(data->tables, AcpiSdtTable, i);
 
@@ -524,8 +527,15 @@ static GArray *load_expected_aml(test_data *data)
         exp_sdt.header.signature = sdt->header.signature;
 
         signature = cpu_to_le32(sdt->header.signature);
-        aml_file = g_strdup_printf("%s/%s/%.4s", data_dir, data->machine,
-                                   (gchar *)&signature);
+
+try_again:
+        aml_file = g_strdup_printf("%s/%s/%.4s%s", data_dir, data->machine,
+                                   (gchar *)&signature, ext);
+        if (data->variant && !g_file_test(aml_file, G_FILE_TEST_EXISTS)) {
+            g_free(aml_file);
+            ext = "";
+            goto try_again;
+        }
         exp_sdt.aml_file = aml_file;
         g_assert(g_file_test(aml_file, G_FILE_TEST_EXISTS));
         ret = g_file_get_contents(aml_file, &exp_sdt.aml,
@@ -778,6 +788,17 @@ static void test_acpi_piix4_tcg(void)
     free_test_data(&data);
 }
 
+static void test_acpi_piix4_tcg_bridge(void)
+{
+    test_data data;
+
+    memset(&data, 0, sizeof(data));
+    data.machine = MACHINE_PC;
+    data.variant = ".bridge";
+    test_acpi_one("-machine accel=tcg -device pci-bridge,chassis_nr=1", &data);
+    free_test_data(&data);
+}
+
 static void test_acpi_q35_tcg(void)
 {
     test_data data;
@@ -788,6 +809,18 @@ static void test_acpi_q35_tcg(void)
     free_test_data(&data);
 }
 
+static void test_acpi_q35_tcg_bridge(void)
+{
+    test_data data;
+
+    memset(&data, 0, sizeof(data));
+    data.machine = MACHINE_Q35;
+    data.variant = ".bridge";
+    test_acpi_one("-machine q35,accel=tcg -device pci-bridge,chassis_nr=1",
+                  &data);
+    free_test_data(&data);
+}
+
 int main(int argc, char *argv[])
 {
     const char *arch = qtest_get_arch();
@@ -805,7 +838,9 @@ int main(int argc, char *argv[])
 
     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
         qtest_add_func("acpi/piix4/tcg", test_acpi_piix4_tcg);
+        qtest_add_func("acpi/piix4/tcg/bridge", test_acpi_piix4_tcg_bridge);
         qtest_add_func("acpi/q35/tcg", test_acpi_q35_tcg);
+        qtest_add_func("acpi/q35/tcg/bridge", test_acpi_q35_tcg_bridge);
     }
     ret = g_test_run();
     unlink(disk);