@@ -154,6 +154,7 @@ fwts_SOURCES = main.c \
acpi/tpm2/tpm2.c \
acpi/uefi/uefi.c \
acpi/uniqueid/uniqueid.c \
+ acpi/viot/viot.c \
acpi/waet/waet.c \
acpi/wakealarm/wakealarm.c \
acpi/wdat/wdat.c \
new file mode 100644
@@ -0,0 +1,165 @@
+/*
+ * Copyright (C) 2024 Canonical
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+#include "fwts.h"
+
+#if defined(FWTS_HAS_ACPI)
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <inttypes.h>
+
+static fwts_acpi_table_info *table;
+acpi_table_init(VIOT, &table)
+
+static int viot_test1(fwts_framework *fw)
+{
+ fwts_acpi_viot_node_hdr *node_hdr;
+ bool passed = true;
+ uint32_t offset;
+ fwts_acpi_table_viot *viot = (fwts_acpi_table_viot *)table->data;
+
+ fwts_log_info_verbatim(fw, "VIOT Virtual I/O Translation Table:");
+ fwts_log_info_simp_int(fw, " Node Count: ", viot->node_count);
+ fwts_log_info_simp_int(fw, " Node Offset: ", viot->node_offset);
+
+ if (viot->node_offset == 0) {
+ fwts_failed(fw, LOG_LEVEL_HIGH,
+ "VIOTinvalidOffset",
+ "VIOT Offset for the first node should not be 0.");
+ return FWTS_OK;
+ }
+
+ fwts_log_info_simp_int(fw, " Reserved: ", viot->reserved);
+ fwts_acpi_reserved_zero("VIOT", "Reserved", viot->reserved, &passed);
+
+ offset = viot->node_offset;
+
+ if (offset >= table->length) {
+ fwts_failed(fw, LOG_LEVEL_HIGH,
+ "VIOTOutOfRangeOffset",
+ "VIOT Node Data Offset is out of range.");
+ return FWTS_OK;
+ }
+
+ node_hdr = (fwts_acpi_viot_node_hdr *)(table->data + offset);
+
+ for (uint32_t i = 0; i < viot->node_count; i++) {
+
+ if (fwts_acpi_structure_length_zero(fw, "VIOT", node_hdr->length, offset)) {
+ passed = false;
+ break;
+ }
+
+ if ((offset + node_hdr->length) > table->length) {
+ fwts_failed(fw, LOG_LEVEL_HIGH,
+ "VIOTOutOfRangeOffset",
+ "VIOT Node Data Offset is out of range.");
+ return FWTS_OK;
+ }
+
+ switch(node_hdr->type) {
+ case 1:
+ fwts_acpi_viot_pci_rng_node *pci_rng = (fwts_acpi_viot_pci_rng_node *)(table->data + offset);
+ fwts_log_info_verbatim(fw, " PCI Range Node Structure:");
+ fwts_log_info_simp_int(fw, " Type: ", pci_rng->hdr.type);
+ fwts_log_info_simp_int(fw, " Reserved: ", pci_rng->hdr.reserved);
+ fwts_acpi_reserved_zero("VIOT", "Reserved", pci_rng->hdr.reserved, &passed);
+ fwts_log_info_simp_int(fw, " length: ", pci_rng->hdr.length);
+ fwts_log_info_simp_int(fw, " Endpoint Start: ", pci_rng->endpoint_start);
+ fwts_log_info_simp_int(fw, " PCI Segment Start: ", pci_rng->pci_seg_start);
+ fwts_log_info_simp_int(fw, " PCI Segment End: ", pci_rng->pci_seg_end);
+ fwts_log_info_simp_int(fw, " PCI BDF Start: ", pci_rng->pci_bdf_start);
+ fwts_log_info_simp_int(fw, " PCI BDF End: ", pci_rng->pci_bdf_end);
+ fwts_log_info_simp_int(fw, " PCI Segment End: ", pci_rng->output_node);
+ fwts_hexdump_data_prefix_all(fw, pci_rng->reserved, " ", sizeof(pci_rng->reserved));
+ fwts_acpi_reserved_zero_array(fw, "VIOT", "Reserved", pci_rng->reserved, 6, &passed);
+ offset += sizeof(fwts_acpi_viot_pci_rng_node);
+ break;
+ case 2:
+ fwts_acpi_viot_mmio_ep_node *mmio_ep = (fwts_acpi_viot_mmio_ep_node *)(table->data + offset);
+ fwts_log_info_verbatim(fw, " Single MMIO Endpoint Node Structure:");
+ fwts_log_info_simp_int(fw, " Type: ", mmio_ep->hdr.type);
+ fwts_log_info_simp_int(fw, " Reserved: ", mmio_ep->hdr.reserved);
+ fwts_acpi_reserved_zero("VIOT", "Reserved", mmio_ep->hdr.reserved, &passed);
+ fwts_log_info_simp_int(fw, " length: ", mmio_ep->hdr.length);
+ fwts_log_info_simp_int(fw, " Endpoint ID: ", mmio_ep->endpoint_id);
+ fwts_log_info_simp_int(fw, " Base Address: ", mmio_ep->base_addr);
+ fwts_log_info_simp_int(fw, " Output Node: ", mmio_ep->output_node);
+ fwts_hexdump_data_prefix_all(fw, mmio_ep->reserved, " ", sizeof(mmio_ep->reserved));
+ fwts_acpi_reserved_zero_array(fw, "VIOT", "Reserved", mmio_ep->reserved, 6, &passed);
+ offset += sizeof(fwts_acpi_viot_mmio_ep_node);
+ break;
+ case 3:
+ fwts_acpi_viot_pci_iommu_node *pci_iommu = (fwts_acpi_viot_pci_iommu_node *)(table->data + offset);
+ fwts_log_info_verbatim(fw, " Virtio-iommu based on virtio-pci Node Structure:");
+ fwts_log_info_simp_int(fw, " Type: ", pci_iommu->hdr.type);
+ fwts_log_info_simp_int(fw, " Reserved: ", pci_iommu->hdr.reserved);
+ fwts_acpi_reserved_zero("VIOT", "Reserved", pci_iommu->hdr.reserved, &passed);
+ fwts_log_info_simp_int(fw, " length: ", pci_iommu->hdr.length);
+ fwts_log_info_simp_int(fw, " PCI Segment: ", pci_iommu->pci_seg);
+ fwts_log_info_simp_int(fw, " PCI BDF Number: ", pci_iommu->pci_bdf_num);
+ fwts_log_info_simp_int(fw, " Reserved: ", pci_iommu->reserved);
+ fwts_acpi_reserved_zero("VIOT", "Reserved", pci_iommu->reserved, &passed);
+ offset += sizeof(fwts_acpi_viot_pci_iommu_node);
+ break;
+ case 4:
+ fwts_acpi_viot_mmio_iommu_node *mmio_iommu = (fwts_acpi_viot_mmio_iommu_node *)(table->data + offset);
+ fwts_log_info_verbatim(fw, " Virtio-iommu based on virtio-pci Node Structure:");
+ fwts_log_info_simp_int(fw, " Type: ", mmio_iommu->hdr.type);
+ fwts_log_info_simp_int(fw, " Reserved: ", mmio_iommu->hdr.reserved);
+ fwts_acpi_reserved_zero("VIOT", "Reserved", mmio_iommu->hdr.reserved, &passed);
+ fwts_log_info_simp_int(fw, " length: ", mmio_iommu->hdr.length);
+ fwts_log_info_simp_int(fw, " Reserved: ", mmio_iommu->reserved);
+ fwts_acpi_reserved_zero("VIOT", "Reserved", mmio_iommu->reserved, &passed);
+ fwts_log_info_simp_int(fw, " Base Address: ", mmio_iommu->base_addr);
+ offset += sizeof(fwts_acpi_viot_mmio_iommu_node);
+ break;
+ case 0:
+ default:
+ passed = false;
+ fwts_failed(fw, LOG_LEVEL_HIGH,
+ "VIOTBadNodeType",
+ "VIOT node structure types must not have the value 0, 0x05..0xff, got "
+ "0x%2.2" PRIx8 " instead", node_hdr->type);
+ offset += node_hdr->length;
+ break;
+ }
+
+ node_hdr = (fwts_acpi_viot_node_hdr *)(table->data + offset);
+ fwts_log_nl(fw);
+ }
+
+ if (passed)
+ fwts_passed(fw, "No issues found in VIOT table.");
+
+ return FWTS_OK;
+}
+
+static fwts_framework_minor_test viot_tests[] = {
+ { viot_test1, "Validate VIOT table." },
+ { NULL, NULL }
+};
+
+static fwts_framework_ops viot_ops = {
+ .description = "VIOT Virtual I/O Translation Table test.",
+ .init = VIOT_init,
+ .minor_tests = viot_tests
+};
+
+FWTS_REGISTER("viot", &viot_ops, FWTS_TEST_ANYTIME, FWTS_FLAG_BATCH | FWTS_FLAG_ACPI)
+
+#endif
@@ -2747,4 +2747,59 @@ typedef struct {
uint64_t reserved;
} __attribute__ ((packed)) fwts_acpi_table_ibft;
+/*
+ * Virtual I/O Translation (VIOT) Table
+ * ACPI6.5 5.2.32
+ */
+typedef struct
+{
+
+ uint8_t type;
+ uint8_t reserved;
+ uint16_t length;
+} __attribute__ ((packed)) fwts_acpi_viot_node_hdr;
+
+typedef struct
+{
+ fwts_acpi_viot_node_hdr hdr;
+ uint32_t endpoint_start;
+ uint16_t pci_seg_start;
+ uint16_t pci_seg_end;
+ uint16_t pci_bdf_start;
+ uint16_t pci_bdf_end;
+ uint16_t output_node;
+ uint8_t reserved[6];
+} __attribute__ ((packed)) fwts_acpi_viot_pci_rng_node;
+
+typedef struct
+{
+ fwts_acpi_viot_node_hdr hdr;
+ uint32_t endpoint_id;
+ uint64_t base_addr;
+ uint16_t output_node;
+ uint8_t reserved[6];
+} __attribute__ ((packed)) fwts_acpi_viot_mmio_ep_node;
+
+typedef struct
+{
+ fwts_acpi_viot_node_hdr hdr;
+ uint16_t pci_seg;
+ uint16_t pci_bdf_num;
+ uint64_t reserved;
+} __attribute__ ((packed)) fwts_acpi_viot_pci_iommu_node;
+
+typedef struct
+{
+ fwts_acpi_viot_node_hdr hdr;
+ uint32_t reserved;
+ uint64_t base_addr;
+} __attribute__ ((packed)) fwts_acpi_viot_mmio_iommu_node;
+
+typedef struct {
+ fwts_acpi_table_header header;
+ uint16_t node_count;
+ uint16_t node_offset;
+ uint64_t reserved;
+} __attribute__ ((packed)) fwts_acpi_table_viot;
+
#endif
BugLink: https://bugs.launchpad.net/fwts/+bug/2047212 The ACPI VIOT table was added to ACPI6.5, add tests for the VIOT table. Signed-off-by: Ivan Hu <ivan.hu@canonical.com> --- src/Makefile.am | 1 + src/acpi/viot/viot.c | 165 ++++++++++++++++++++++++++++++++++++ src/lib/include/fwts_acpi.h | 55 ++++++++++++ 3 files changed, 221 insertions(+) create mode 100644 src/acpi/viot/viot.c