Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio, acpi: fixes, cleanups

A bunch of minor fixes all over the place.

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

# gpg: Signature made Sun 16 Jun 2019 21:46:31 BST
# gpg:                using RSA key 281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# 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

* remotes/mst/tags/for_upstream:
  tests/rebuild-expected-aml.sh: blow out difflist
  q35: update DSDT
  q35: fix mmconfig and PCI0._CRS
  hw/acpi: extract acpi_add_rom_blob()
  vhost: fix vhost_log size overflow during migration
  docs/vhost-user.json: some firmware.json copy leftovers
  vhost-user-gpu: initialize msghdr & iov at declaration
  vhost-user-input: check ioctl(EVIOCGNAME) return value
  vhost-user: improve error report
  vhost-user: check unix_listen() return value
  vhost-user-gpu: do not send scanout update if no GPU socket

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

1 files changed, 24 insertions, 16 deletions

diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 45c369c923..31a1c1e3ad 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -37,7 +37,6 @@
 #include "hw/acpi/piix4.h"
 #include "hw/nvram/fw_cfg.h"
 #include "hw/acpi/bios-linker-loader.h"
-#include "hw/loader.h"
 #include "hw/isa/isa.h"
 #include "hw/block/fdc.h"
 #include "hw/acpi/memory_hotplug.h"
@@ -58,6 +57,7 @@
 #include "hw/i386/x86-iommu.h"
 
 #include "hw/acpi/aml-build.h"
+#include "hw/acpi/utils.h"
 #include "hw/acpi/pci.h"
 
 #include "qom/qom-qobject.h"
@@ -121,6 +121,8 @@ typedef struct FwCfgTPMConfig {
     uint8_t tpmppi_version;
 } QEMU_PACKED FwCfgTPMConfig;
 
+static bool acpi_get_mcfg(AcpiMcfgInfo *mcfg);
+
 static void init_common_fadt_data(Object *o, AcpiFadtData *data)
 {
     uint32_t io = object_property_get_uint(o, ACPI_PM_PROP_PM_IO_BASE, NULL);
@@ -1806,6 +1808,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
     CrsRangeSet crs_range_set;
     PCMachineState *pcms = PC_MACHINE(machine);
     PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(machine);
+    AcpiMcfgInfo mcfg;
     uint32_t nr_mem = machine->ram_slots;
     int root_bus_limit = 0xFF;
     PCIBus *bus = NULL;
@@ -1920,6 +1923,17 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
         }
     }
 
+    /*
+     * At this point crs_range_set has all the ranges used by pci
+     * busses *other* than PCI0.  These ranges will be excluded from
+     * the PCI0._CRS.  Add mmconfig to the set so it will be excluded
+     * too.
+     */
+    if (acpi_get_mcfg(&mcfg)) {
+        crs_range_insert(crs_range_set.mem_ranges,
+                         mcfg.base, mcfg.base + mcfg.size - 1);
+    }
+
     scope = aml_scope("\\_SB.PCI0");
     /* build PCI0._CRS */
     crs = aml_resource_template();
@@ -2823,14 +2837,6 @@ static void acpi_build_reset(void *build_opaque)
     build_state->patched = 0;
 }
 
-static MemoryRegion *acpi_add_rom_blob(AcpiBuildState *build_state,
-                                       GArray *blob, const char *name,
-                                       uint64_t max_size)
-{
-    return rom_add_blob(name, blob->data, acpi_data_len(blob), max_size, -1,
-                        name, acpi_build_update, build_state, NULL, true);
-}
-
 static const VMStateDescription vmstate_acpi_build = {
     .name = "acpi_build",
     .version_id = 1,
@@ -2872,14 +2878,15 @@ void acpi_setup(void)
     acpi_build(&tables, MACHINE(pcms));
 
     /* Now expose it all to Guest */
-    build_state->table_mr = acpi_add_rom_blob(build_state, tables.table_data,
-                                               ACPI_BUILD_TABLE_FILE,
-                                               ACPI_BUILD_TABLE_MAX_SIZE);
+    build_state->table_mr = acpi_add_rom_blob(acpi_build_update,
+                                              build_state, tables.table_data,
+                                              ACPI_BUILD_TABLE_FILE,
+                                              ACPI_BUILD_TABLE_MAX_SIZE);
     assert(build_state->table_mr != NULL);
 
     build_state->linker_mr =
-        acpi_add_rom_blob(build_state, tables.linker->cmd_blob,
-                          "etc/table-loader", 0);
+        acpi_add_rom_blob(acpi_build_update, build_state,
+                          tables.linker->cmd_blob, "etc/table-loader", 0);
 
     fw_cfg_add_file(pcms->fw_cfg, ACPI_BUILD_TPMLOG_FILE,
                     tables.tcpalog->data, acpi_data_len(tables.tcpalog));
@@ -2916,8 +2923,9 @@ void acpi_setup(void)
         build_state->rsdp_mr = NULL;
     } else {
         build_state->rsdp = NULL;
-        build_state->rsdp_mr = acpi_add_rom_blob(build_state, tables.rsdp,
-                                                  ACPI_BUILD_RSDP_FILE, 0);
+        build_state->rsdp_mr = acpi_add_rom_blob(acpi_build_update,
+                                                 build_state, tables.rsdp,
+                                                 ACPI_BUILD_RSDP_FILE, 0);
     }
 
     qemu_register_reset(acpi_build_reset, build_state);