[V3] acpi: pptt: add ACPI PPTT test

Submitted by Alex Hung on July 31, 2017, 8:13 p.m.

Details

Message ID 1501532011-13713-1-git-send-email-alex.hung@canonical.com
State New
Headers show

Commit Message

Alex Hung July 31, 2017, 8:13 p.m.
Signed-off-by: Alex Hung <alex.hung@canonical.com>
---
 src/Makefile.am             |   1 +
 src/acpi/pptt/pptt.c        | 231 ++++++++++++++++++++++++++++++++++++++++++++
 src/lib/include/fwts_acpi.h |  53 ++++++++++
 3 files changed, 285 insertions(+)
 create mode 100644 src/acpi/pptt/pptt.c

Patch hide | download patch | download mbox

diff --git a/src/Makefile.am b/src/Makefile.am
index ca0a449..11862c9 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -96,6 +96,7 @@  fwts_SOURCES = main.c 				\
 	acpi/powerbutton/powerbutton.c 		\
 	acpi/plddump/plddump.c			\
 	acpi/pmtt/pmtt.c 			\
+	acpi/pptt/pptt.c 			\
 	acpi/rsdp/rsdp.c			\
 	acpi/rsdt/rsdt.c			\
 	acpi/s3/s3.c 				\
diff --git a/src/acpi/pptt/pptt.c b/src/acpi/pptt/pptt.c
new file mode 100644
index 0000000..083ef02
--- /dev/null
+++ b/src/acpi/pptt/pptt.c
@@ -0,0 +1,231 @@ 
+/*
+ * Copyright (C) 2017 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>
+#include <stdbool.h>
+
+static fwts_acpi_table_info *table;
+
+static int pptt_init(fwts_framework *fw)
+{
+	if (fwts_acpi_find_table(fw, "PPTT", 0, &table) != FWTS_OK) {
+		fwts_log_error(fw, "Cannot load ACPI table");
+		return FWTS_ERROR;
+	}
+	if (table == NULL) {
+		fwts_log_error(fw, "ACPI PPTT table does not exist, skipping test");
+		return FWTS_SKIP;
+	}
+
+	return FWTS_OK;
+}
+
+static void pptt_processor_test(fwts_framework *fw, const fwts_acpi_table_pptt_processor *entry, bool *passed)
+{
+	uint32_t i;
+
+	fwts_log_info_verbatim(fw, "  Processor hierarchy node structure (Type 0):");
+	fwts_log_info_verbatim(fw, "    Type:                           0x%2.2" PRIx8, entry->header.type);
+	fwts_log_info_verbatim(fw, "    Length:                         0x%2.2" PRIx8, entry->header.length);
+	fwts_log_info_verbatim(fw, "    Reserved:                       0x%4.4" PRIx16, entry->reserved);
+	fwts_log_info_verbatim(fw, "    Flags:                          0x%8.8" PRIx32, entry->flags);
+	fwts_log_info_verbatim(fw, "    Parent:                         0x%8.8" PRIx32, entry->parent);
+	fwts_log_info_verbatim(fw, "    ACPI Processor ID:              0x%8.8" PRIx32, entry->acpi_processor_id);
+	fwts_log_info_verbatim(fw, "    Number of Private Resources:    0x%8.8" PRIx32, entry->number_priv_resources);
+
+	if ((entry->header.length - sizeof(fwts_acpi_table_pptt_processor)) / 4 == entry->number_priv_resources) {
+		for (i = 0; i < entry->number_priv_resources; i++)
+			fwts_log_info_verbatim(fw, "    Private Resources[%d]:           0x%8.8" PRIx32, i, entry->private_resource[i]);
+	} else {
+		*passed = false;
+		fwts_failed(fw, LOG_LEVEL_CRITICAL,
+			"PPTTBadProcessorLength",
+			"PPTT Processor length does not match "
+			"0x%8.8" PRIx32 " private resources",
+			entry->number_priv_resources);
+	}
+
+	if (entry->reserved != 0) {
+		*passed = false;
+		fwts_failed(fw, LOG_LEVEL_LOW,
+			"PPTTReservedNonZero",
+			"PPTT reserved field must be zero, got "
+			"0x%4.4" PRIx16 " instead", entry->reserved);
+	}
+
+	if (entry->flags & ~0x03) {
+		*passed = false;
+		fwts_failed(fw, LOG_LEVEL_HIGH,
+			"PPTTBadFlags",
+			"PPTT Flags's Bits[31..2] must be zero, got "
+			"0x%8.8" PRIx32 " instead", entry->flags);
+	}
+}
+
+static void pptt_cache_test(fwts_framework *fw, const fwts_acpi_table_pptt_cache *entry, bool *passed)
+{
+
+	fwts_log_info_verbatim(fw, "  Cache Type Structure (Type 1):");
+	fwts_log_info_verbatim(fw, "    Type:                           0x%2.2" PRIx8, entry->header.type);
+	fwts_log_info_verbatim(fw, "    Length:                         0x%2.2" PRIx8, entry->header.length);
+	fwts_log_info_verbatim(fw, "    Reserved:                       0x%4.4" PRIx16, entry->reserved);
+	fwts_log_info_verbatim(fw, "    Flags:                          0x%8.8" PRIx32, entry->flags);
+	fwts_log_info_verbatim(fw, "    Next Level of Cache:            0x%8.8" PRIx32, entry->next_level_cache);
+	fwts_log_info_verbatim(fw, "    Size:                           0x%8.8" PRIx32, entry->size);
+	fwts_log_info_verbatim(fw, "    Number of sets:                 0x%8.8" PRIx32, entry->number_sets);
+	fwts_log_info_verbatim(fw, "    Associativity:                  0x%2.2" PRIx8, entry->associativity);
+	fwts_log_info_verbatim(fw, "    Attributes:                     0x%2.2" PRIx8, entry->attributes);
+	fwts_log_info_verbatim(fw, "    Line size:                      0x%4.4" PRIx16, entry->line_size);
+
+	if (entry->reserved != 0) {
+		*passed = false;
+		fwts_failed(fw, LOG_LEVEL_LOW,
+			"PPTTReservedNonZero",
+			"PPTT reserved field must be zero, got "
+			"0x%4.4" PRIx16 " instead", entry->reserved);
+	}
+
+	if (entry->flags & ~0x7f) {
+		*passed = false;
+		fwts_failed(fw, LOG_LEVEL_HIGH,
+			"PPTTBadFlags",
+			"PPTT Flags's Bits[31..7] must be zero, got "
+			"0x%8.8" PRIx32 " instead", entry->flags);
+	}
+
+	if (entry->attributes & ~0x1f) {
+		*passed = false;
+		fwts_failed(fw, LOG_LEVEL_HIGH,
+			"PPTTBadAttributes",
+			"PPTT attributes's Bits[7..5] must be zero, got "
+			"0x%2.2" PRIx8 " instead", entry->attributes);
+	}
+}
+
+static void pptt_id_test(fwts_framework *fw, const fwts_acpi_table_pptt_id *entry, bool *passed)
+{
+	char vendor_id[5];
+
+	memcpy(vendor_id, &entry->vendor_id, sizeof(uint32_t));
+	vendor_id[4] = 0;
+
+	fwts_log_info_verbatim(fw, "  ID structure (Type 2):");
+	fwts_log_info_verbatim(fw, "    Type:                           0x%2.2" PRIx8, entry->header.type);
+	fwts_log_info_verbatim(fw, "    Length:                         0x%2.2" PRIx8, entry->header.length);
+	fwts_log_info_verbatim(fw, "    Reserved:                       0x%4.4" PRIx16, entry->reserved);
+	fwts_log_info_verbatim(fw, "    VENDOR_ID:                      %4.4s", vendor_id);
+	fwts_log_info_verbatim(fw, "    LEVEL_1_ID:                     0x%16.16" PRIx64, entry->level1_id);
+	fwts_log_info_verbatim(fw, "    LEVEL_2_ID:                     0x%16.16" PRIx64, entry->level2_id);
+	fwts_log_info_verbatim(fw, "    MAJOR_REV:                      0x%4.4" PRIx16, entry->major_rev);
+	fwts_log_info_verbatim(fw, "    MINOR_REV:                      0x%4.4" PRIx16, entry->minor_rev);
+	fwts_log_info_verbatim(fw, "    SPIN_REV:                       0x%4.4" PRIx16, entry->spin_rev);
+
+	if (entry->reserved != 0) {
+		*passed = false;
+		fwts_failed(fw, LOG_LEVEL_LOW,
+			"PPTTReservedNonZero",
+			"PPTT reserved field must be zero, got "
+			"0x%4.4" PRIx16 " instead", entry->reserved);
+	}
+}
+
+static int pptt_test1(fwts_framework *fw)
+{
+	fwts_acpi_table_pptt_header *entry;
+	uint32_t offset;
+	bool passed = true;
+
+	fwts_log_info_verbatim(fw, "PPTT Processor Properties Topology Table:");
+
+	entry = (fwts_acpi_table_pptt_header *) (table->data + sizeof(fwts_acpi_table_pptt));
+	offset = sizeof(fwts_acpi_table_pptt);
+	while (offset < table->length) {
+		uint32_t type_length;
+
+		if (entry->length == 0) {
+			passed = false;
+			fwts_failed(fw, LOG_LEVEL_HIGH, "PPTTStructLengthZero",
+				    "PPTT structure (offset 0x%4.4" PRIx32 ") "
+				    "length cannot be 0", offset);
+			break;
+		}
+
+		if (entry->type == FWTS_ACPI_PPTT_PROCESSOR) {
+			pptt_processor_test(fw, (fwts_acpi_table_pptt_processor *) entry, &passed);
+			type_length = sizeof(fwts_acpi_table_pptt_processor) +
+				      ((fwts_acpi_table_pptt_processor *) entry)->number_priv_resources * 4;
+		} else if (entry->type == FWTS_ACPI_PPTT_CACHE) {
+			pptt_cache_test(fw, (fwts_acpi_table_pptt_cache *) entry, &passed);
+			type_length = sizeof(fwts_acpi_table_pptt_cache);
+		} else if (entry->type == FWTS_ACPI_PPTT_ID) {
+			pptt_id_test(fw, (fwts_acpi_table_pptt_id *) entry, &passed);
+			type_length = sizeof(fwts_acpi_table_pptt_id);
+		} else {
+			passed = false;
+			fwts_failed(fw, LOG_LEVEL_HIGH,
+				"PPTTBadSubtableType",
+				"PPTT must have subtable with Type 0..2, got "
+				"0x%2.2" PRIx8 " instead", entry->type);
+			break;
+		}
+
+		if (entry->length != type_length) {
+			passed = false;
+			fwts_failed(fw, LOG_LEVEL_CRITICAL,
+				"PPTTBadSubtableLength",
+				"PPTT subtable Type 0x%2.2" PRIx8 " should have "
+				"length 0x%2.2" PRIx8 ", got 0x%2.2" PRIx8,
+				entry->type, entry->length, type_length);
+			break;
+		}
+
+		if ((offset += entry->length) > table->length) {
+			passed = false;
+			fwts_failed(fw, LOG_LEVEL_CRITICAL,
+				"PPTTBadTableLength",
+				"PPTT has more subtypes than its size can handle");
+			break;
+		}
+		entry = (fwts_acpi_table_pptt_header *) (table->data + offset);
+		fwts_log_nl(fw);
+	}
+
+	if (passed)
+		fwts_passed(fw, "No issues found in PPTT table.");
+
+	return FWTS_OK;
+}
+
+static fwts_framework_minor_test pptt_tests[] = {
+	{ pptt_test1, "Validate PPTT table." },
+	{ NULL, NULL }
+};
+
+static fwts_framework_ops pptt_ops = {
+	.description = "PPTT Processor Properties Topology Table test.",
+	.init        = pptt_init,
+	.minor_tests = pptt_tests
+};
+
+FWTS_REGISTER("pptt", &pptt_ops, FWTS_TEST_ANYTIME, FWTS_FLAG_BATCH | FWTS_FLAG_TEST_ACPI)
+
+#endif
diff --git a/src/lib/include/fwts_acpi.h b/src/lib/include/fwts_acpi.h
index bf318c2..bbedea3 100644
--- a/src/lib/include/fwts_acpi.h
+++ b/src/lib/include/fwts_acpi.h
@@ -1247,6 +1247,59 @@  typedef struct {
 	uint64_t	hint_address[];
 } __attribute__ ((packed)) fwts_acpi_table_nfit_flush_addr;
 
+
+/*
+ * ACPI PPTT (Processor Properties Topology Table), 5.2.29
+ */
+typedef struct {
+	fwts_acpi_table_header	header;
+} __attribute__ ((packed)) fwts_acpi_table_pptt;
+
+typedef enum {
+	FWTS_ACPI_PPTT_PROCESSOR	= 0,
+	FWTS_ACPI_PPTT_CACHE		= 1,
+	FWTS_ACPI_PPTT_ID		= 2,
+} fwts_acpi_pptt_type;
+
+typedef struct {
+	uint8_t		type;
+	uint8_t		length;
+} __attribute__ ((packed)) fwts_acpi_table_pptt_header;
+
+typedef struct {
+	fwts_acpi_table_pptt_header	header;
+	uint16_t	reserved;
+	uint32_t	flags;
+	uint32_t	parent;
+	uint32_t	acpi_processor_id;
+	uint32_t	number_priv_resources;
+	uint32_t	private_resource[];
+} __attribute__ ((packed)) fwts_acpi_table_pptt_processor;
+
+typedef struct {
+	fwts_acpi_table_pptt_header	header;
+	uint16_t	reserved;
+	uint32_t	flags;
+	uint32_t	next_level_cache;
+	uint32_t	size;
+	uint32_t	number_sets;
+	uint8_t		associativity;
+	uint8_t		attributes;
+	uint16_t	line_size;
+} __attribute__ ((packed)) fwts_acpi_table_pptt_cache;
+
+typedef struct {
+	fwts_acpi_table_pptt_header	header;
+	uint16_t	reserved;
+	uint32_t	vendor_id;
+	uint64_t	level1_id;
+	uint64_t	level2_id;
+	uint16_t	major_rev;
+	uint16_t	minor_rev;
+	uint16_t	spin_rev;
+} __attribute__ ((packed)) fwts_acpi_table_pptt_id;
+
+
 /*
  * ACPI PCCT (Platform Communications Channel Table), 14.1
  */