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authorPeter Xu <peterx@redhat.com>2016-10-31 15:34:39 +0800
committerMichael S. Tsirkin <mst@redhat.com>2016-11-15 17:20:36 +0200
commit1b39bc1cf67eee07518ee05ce9306eaa53d868e4 (patch)
tree448840ed044f2144648a3233e44ce8162ea59154
parent8e7a0a1616faa852d65427bbbb6296dffb38990d (diff)
downloadqemu-1b39bc1cf67eee07518ee05ce9306eaa53d868e4.tar.gz
acpi: fix DMAR device scope for IOAPIC
We should not use cpu_to_le16() here, instead each of device/function value is stored in a 8 byte field. Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
-rw-r--r--hw/i386/acpi-build.c3
-rw-r--r--include/hw/acpi/acpi-defs.h5
2 files changed, 6 insertions, 2 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index c02f408ab2..a15585717a 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -2605,7 +2605,8 @@ build_dmar_q35(GArray *table_data, BIOSLinker *linker)
scope->length = ioapic_scope_size;
scope->enumeration_id = ACPI_BUILD_IOAPIC_ID;
scope->bus = Q35_PSEUDO_BUS_PLATFORM;
- scope->path[0] = cpu_to_le16(Q35_PSEUDO_DEVFN_IOAPIC);
+ scope->path[0].device = PCI_SLOT(Q35_PSEUDO_DEVFN_IOAPIC);
+ scope->path[0].function = PCI_FUNC(Q35_PSEUDO_DEVFN_IOAPIC);
build_header(linker, table_data, (void *)(table_data->data + dmar_start),
"DMAR", table_data->len - dmar_start, 1, NULL, NULL);
diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h
index d1d1d61fcb..154f3b82f6 100644
--- a/include/hw/acpi/acpi-defs.h
+++ b/include/hw/acpi/acpi-defs.h
@@ -619,7 +619,10 @@ struct AcpiDmarDeviceScope {
uint16_t reserved;
uint8_t enumeration_id;
uint8_t bus;
- uint16_t path[0]; /* list of dev:func pairs */
+ struct {
+ uint8_t device;
+ uint8_t function;
+ } path[0];
} QEMU_PACKED;
typedef struct AcpiDmarDeviceScope AcpiDmarDeviceScope;