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ACPI: Add vmgenid blob storage to the build tables 

This allows them to be centrally initialized and destroyed

The "AcpiBuildTables.vmgenid" array will be used to construct the
"etc/vmgenid_guid" fw_cfg blob.

Its contents will be linked into fw_cfg after being built on the
pc_machine_done() -> acpi_setup() -> acpi_build() call path, and dropped
without use on the subsequent, guest triggered, acpi_build_update() ->
acpi_build() call path.

Signed-off-by: Ben Warren <ben@skyportsystems.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Ben Warren 2017-02-16 15:15:35 -08:00 committed by Michael S. Tsirkin
parent 20f5d14dc9
commit c7809e6cd7
2 changed files with 3 additions and 0 deletions
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2
hw/acpi/aml-build.c
View File

@ -1559,6 +1559,7 @@ void acpi_build_tables_init(AcpiBuildTables *tables)
tables->rsdp = g_array_new(false, true /* clear */, 1);
tables->table_data = g_array_new(false, true /* clear */, 1);
tables->tcpalog = g_array_new(false, true /* clear */, 1);
tables->vmgenid = g_array_new(false, true /* clear */, 1);
tables->linker = bios_linker_loader_init();
}
@ -1568,6 +1569,7 @@ void acpi_build_tables_cleanup(AcpiBuildTables *tables, bool mfre)
g_array_free(tables->rsdp, true);
g_array_free(tables->table_data, true);
g_array_free(tables->tcpalog, mfre);
g_array_free(tables->vmgenid, mfre);
}
/* Build rsdt table */

1
include/hw/acpi/aml-build.h
View File

@ -210,6 +210,7 @@ struct AcpiBuildTables {
GArray *table_data;
GArray *rsdp;
GArray *tcpalog;
GArray *vmgenid;
BIOSLinker *linker;
} AcpiBuildTables;