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authorJean-Philippe Brucker <jean-philippe@linaro.org>2021-04-06 14:30:19 -0700
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2021-04-07 19:09:00 +0200
commit582252034dd6b334c5f50140958362b19442fecd (patch)
tree2904a46409ede8a4395394193898a0deb8b04fb1
parent14012d2fb1fea43077f71d33333ba3703a21fdd6 (diff)
ACPICA: iASL: Add definitions for the VIOT table
ACPICA commit fc4e33319c1ee08f20f5c44853dd8426643f6dfd Add definitions for the VIOT table and its subtables. Link: https://github.com/acpica/acpica/commit/fc4e3331 Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Erik Kaneda <erik.kaneda@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-rw-r--r--include/acpi/actbl3.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/include/acpi/actbl3.h b/include/acpi/actbl3.h
index bf61a70deb22..e9bd7ce65f7c 100644
--- a/include/acpi/actbl3.h
+++ b/include/acpi/actbl3.h
@@ -33,6 +33,7 @@
#define ACPI_SIG_TCPA "TCPA" /* Trusted Computing Platform Alliance table */
#define ACPI_SIG_TPM2 "TPM2" /* Trusted Platform Module 2.0 H/W interface table */
#define ACPI_SIG_UEFI "UEFI" /* Uefi Boot Optimization Table */
+#define ACPI_SIG_VIOT "VIOT" /* Virtual I/O Translation Table */
#define ACPI_SIG_WAET "WAET" /* Windows ACPI Emulated devices Table */
#define ACPI_SIG_WDAT "WDAT" /* Watchdog Action Table */
#define ACPI_SIG_WDDT "WDDT" /* Watchdog Timer Description Table */
@@ -486,6 +487,71 @@ struct acpi_table_uefi {
/*******************************************************************************
*
+ * VIOT - Virtual I/O Translation Table
+ * Version 1
+ *
+ ******************************************************************************/
+
+struct acpi_table_viot {
+ struct acpi_table_header header; /* Common ACPI table header */
+ u16 node_count;
+ u16 node_offset;
+ u8 reserved[8];
+};
+
+/* VIOT subtable header */
+
+struct acpi_viot_header {
+ u8 type;
+ u8 reserved;
+ u16 length;
+};
+
+/* Values for Type field above */
+
+enum acpi_viot_node_type {
+ ACPI_VIOT_NODE_PCI_RANGE = 0x01,
+ ACPI_VIOT_NODE_MMIO = 0x02,
+ ACPI_VIOT_NODE_VIRTIO_IOMMU_PCI = 0x03,
+ ACPI_VIOT_NODE_VIRTIO_IOMMU_MMIO = 0x04,
+};
+
+/* VIOT subtables */
+
+struct acpi_viot_pci_range {
+ ACPI_VIOT_HEADER header;
+ u32 endpoint_start;
+ u16 segment_start;
+ u16 segment_end;
+ u16 bdf_start;
+ u16 bdf_end;
+ u16 output_node;
+ u8 reserved[6];
+};
+
+struct acpi_viot_mmio {
+ ACPI_VIOT_HEADER header;
+ u32 endpoint;
+ u64 base_address;
+ u16 output_node;
+ u8 reserved[6];
+};
+
+struct acpi_viot_virtio_iommu_pci {
+ ACPI_VIOT_HEADER header;
+ u16 segment;
+ u16 bdf;
+ u8 reserved[8];
+};
+
+struct acpi_viot_virtio_iommu_mmio {
+ ACPI_VIOT_HEADER header;
+ u8 reserved[4];
+ u64 base_address;
+};
+
+/*******************************************************************************
+ *
* WAET - Windows ACPI Emulated devices Table
* Version 1
*