17 files changed, 617 insertions, 27 deletions

diff --git a/tools/power/acpi/.gitignore b/tools/power/acpi/.gitignore
index f698a0e5bfa6..eada0297ef88 100644
--- a/tools/power/acpi/.gitignore
+++ b/tools/power/acpi/.gitignore
@@ -1,4 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
 /acpidbg
 /acpidump
 /ec
+/pfrut
 /include/
diff --git a/tools/power/acpi/Makefile b/tools/power/acpi/Makefile
index ebd3e1a1c28e..5ff1d9c864d0 100644
--- a/tools/power/acpi/Makefile
+++ b/tools/power/acpi/Makefile
@@ -7,18 +7,20 @@
 
 include ../../scripts/Makefile.include
 
-all: acpidbg acpidump ec
-clean: acpidbg_clean acpidump_clean ec_clean
-install: acpidbg_install acpidump_install ec_install
-uninstall: acpidbg_uninstall acpidump_uninstall ec_uninstall
+.NOTPARALLEL:
 
-acpidbg acpidump ec: FORCE
+all: acpidbg acpidump ec pfrut
+clean: acpidbg_clean acpidump_clean ec_clean pfrut_clean
+install: acpidbg_install acpidump_install ec_install pfrut_install
+uninstall: acpidbg_uninstall acpidump_uninstall ec_uninstall pfrut_uninstall
+
+acpidbg acpidump ec pfrut: FORCE
 	$(call descend,tools/$@,all)
-acpidbg_clean acpidump_clean ec_clean:
+acpidbg_clean acpidump_clean ec_clean pfrut_clean:
 	$(call descend,tools/$(@:_clean=),clean)
-acpidbg_install acpidump_install ec_install:
+acpidbg_install acpidump_install ec_install pfrut_install:
 	$(call descend,tools/$(@:_install=),install)
-acpidbg_uninstall acpidump_uninstall ec_uninstall:
+acpidbg_uninstall acpidump_uninstall ec_uninstall pfrut_uninstall:
 	$(call descend,tools/$(@:_uninstall=),uninstall)
 
 .PHONY: FORCE
diff --git a/tools/power/acpi/Makefile.config b/tools/power/acpi/Makefile.config
index 54a2857c2510..cd7106876a5f 100644
--- a/tools/power/acpi/Makefile.config
+++ b/tools/power/acpi/Makefile.config
@@ -54,7 +54,6 @@ INSTALL_SCRIPT = ${INSTALL_PROGRAM}
 CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc-
 CROSS_COMPILE ?= $(CROSS)
 LD = $(CC)
-HOSTCC = gcc
 
 # check if compiler option is supported
 cc-supports = ${shell if $(CC) ${1} -S -o /dev/null -x c /dev/null > /dev/null 2>&1; then echo "$(1)"; fi;}
@@ -70,6 +69,7 @@ KERNEL_INCLUDE := $(OUTPUT)include
 ACPICA_INCLUDE := $(srctree)/../../../drivers/acpi/acpica
 CFLAGS += -D_LINUX -I$(KERNEL_INCLUDE) -I$(ACPICA_INCLUDE)
 CFLAGS += $(WARNINGS)
+MKDIR = mkdir
 
 ifeq ($(strip $(V)),false)
 	QUIET=@
diff --git a/tools/power/acpi/Makefile.rules b/tools/power/acpi/Makefile.rules
index 2a6c170b57cd..b71aada77688 100644
--- a/tools/power/acpi/Makefile.rules
+++ b/tools/power/acpi/Makefile.rules
@@ -9,7 +9,7 @@ objdir := $(OUTPUT)tools/$(TOOL)/
 toolobjs := $(addprefix $(objdir),$(TOOL_OBJS))
 $(OUTPUT)$(TOOL): $(toolobjs) FORCE
 	$(ECHO) "  LD      " $(subst $(OUTPUT),,$@)
-	$(QUIET) $(LD) $(CFLAGS) $(LDFLAGS) $(toolobjs) -L$(OUTPUT) -o $@
+	$(QUIET) $(LD) $(CFLAGS) $(toolobjs) $(LDFLAGS) -L$(OUTPUT) -o $@
 	$(ECHO) "  STRIP   " $(subst $(OUTPUT),,$@)
 	$(QUIET) $(STRIPCMD) $@
 
@@ -21,6 +21,7 @@ $(KERNEL_INCLUDE):
 
 $(objdir)%.o: %.c $(KERNEL_INCLUDE)
 	$(ECHO) "  CC      " $(subst $(OUTPUT),,$@)
+	$(QUIET) $(MKDIR) -p $(objdir) 2>/dev/null
 	$(QUIET) $(CC) -c $(CFLAGS) -o $@ $<
 
 all: $(OUTPUT)$(TOOL)
diff --git a/tools/power/acpi/common/cmfsize.c b/tools/power/acpi/common/cmfsize.c
index d1d18ff5c911..38f9b9da8170 100644
--- a/tools/power/acpi/common/cmfsize.c
+++ b/tools/power/acpi/common/cmfsize.c
@@ -1,9 +1,9 @@
 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
 /******************************************************************************
  *
- * Module Name: cfsize - Common get file size function
+ * Module Name: cmfsize - Common get file size function
  *
- * Copyright (C) 2000 - 2020, Intel Corp.
+ * Copyright (C) 2000 - 2022, Intel Corp.
  *
  *****************************************************************************/
 
diff --git a/tools/power/acpi/common/getopt.c b/tools/power/acpi/common/getopt.c
index c3708f30ab3a..96fd6cec78e2 100644
--- a/tools/power/acpi/common/getopt.c
+++ b/tools/power/acpi/common/getopt.c
@@ -3,7 +3,7 @@
  *
  * Module Name: getopt
  *
- * Copyright (C) 2000 - 2020, Intel Corp.
+ * Copyright (C) 2000 - 2022, Intel Corp.
  *
  *****************************************************************************/
 
diff --git a/tools/power/acpi/man/pfrut.8 b/tools/power/acpi/man/pfrut.8
new file mode 100644
index 000000000000..3db574770e8d
--- /dev/null
+++ b/tools/power/acpi/man/pfrut.8
@@ -0,0 +1,137 @@
+.TH "PFRUT" "8" "October 2021" "pfrut 1.0" ""
+.hy
+.SH Name
+.PP
+pfrut \- Platform Firmware Runtime Update and Telemetry tool
+.SH SYNOPSIS
+.PP
+\f[B]pfrut\f[R] [\f[I]Options\f[R]]
+.SH DESCRIPTION
+.PP
+The PFRUT(Platform Firmware Runtime Update and Telemetry) kernel interface is designed
+to
+.PD 0
+.P
+.PD
+interact with the platform firmware interface defined in the
+.PD 0
+.P
+.PD
+Management Mode Firmware Runtime
+Update (https://uefi.org/sites/default/files/resources/Intel_MM_OS_Interface_Spec_Rev100.pdf)
+.PD 0
+.P
+.PD
+\f[B]pfrut\f[R] is the tool to interact with the kernel interface.
+.PD 0
+.P
+.PD
+.SH OPTIONS
+.TP
+.B \f[B]\-h\f[R], \f[B]\-\-help\f[R]
+Display helper information.
+.TP
+.B \f[B]\-l\f[R], \f[B]\-\-load\f[R]
+Load the capsule file into the system.
+To be more specific, the capsule file will be copied to the
+communication buffer.
+.TP
+.B \f[B]\-s\f[R], \f[B]\-\-stage\f[R]
+Stage the capsule image from communication buffer into Management Mode
+and perform authentication.
+.TP
+.B \f[B]\-a\f[R], \f[B]\-\-activate\f[R]
+Activate a previous staged capsule image.
+.TP
+.B \f[B]\-u\f[R], \f[B]\-\-update\f[R]
+Perform both stage and activation actions.
+.TP
+.B \f[B]\-q\f[R], \f[B]\-\-query\f[R]
+Query the update capability.
+.TP
+.B \f[B]\-d\f[R], \f[B]\-\-setrev\f[R]
+Set the revision ID of code injection/driver update.
+.TP
+.B \f[B]\-D\f[R], \f[B]\-\-setrevlog\f[R]
+Set the revision ID of telemetry.
+.TP
+.B \f[B]\-G\f[R], \f[B]\-\-getloginfo\f[R]
+Get telemetry log information and print it out.
+.TP
+.B \f[B]\-T\f[R], \f[B]\-\-type\f[R]
+Set the telemetry log data type.
+.TP
+.B \f[B]\-L\f[R], \f[B]\-\-level\f[R]
+Set the telemetry log level.
+.TP
+.B \f[B]\-R\f[R], \f[B]\-\-read\f[R]
+Read all the telemetry data and print it out.
+.SH EXAMPLES
+.PP
+\f[B]pfrut \-G\f[R]
+.PP
+log_level:4
+.PD 0
+.P
+.PD
+log_type:0
+.PD 0
+.P
+.PD
+log_revid:2
+.PD 0
+.P
+.PD
+max_data_size:65536
+.PD 0
+.P
+.PD
+chunk1_size:0
+.PD 0
+.P
+.PD
+chunk2_size:1401
+.PD 0
+.P
+.PD
+rollover_cnt:0
+.PD 0
+.P
+.PD
+reset_cnt:4
+.PP
+\f[B]pfru \-q\f[R]
+.PP
+code injection image type:794bf8b2\-6e7b\-454e\-885f\-3fb9bb185402
+.PD 0
+.P
+.PD
+fw_version:0
+.PD 0
+.P
+.PD
+code_rt_version:1
+.PD 0
+.P
+.PD
+driver update image type:0e5f0b14\-f849\-7945\-ad81\-bc7b6d2bb245
+.PD 0
+.P
+.PD
+drv_rt_version:0
+.PD 0
+.P
+.PD
+drv_svn:0
+.PD 0
+.P
+.PD
+platform id:39214663\-b1a8\-4eaa\-9024\-f2bb53ea4723
+.PD 0
+.P
+.PD
+oem id:a36db54f\-ea2a\-e14e\-b7c4\-b5780e51ba3d
+.PP
+\f[B]pfrut \-l yours.cap \-u \-T 1 \-L 4\f[R]
+.SH AUTHORS
+Chen Yu.
diff --git a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
index 5aaddc79adf7..bd08f36df4a7 100644
--- a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
+++ b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
@@ -3,7 +3,7 @@
  *
  * Module Name: oslinuxtbl - Linux OSL for obtaining ACPI tables
  *
- * Copyright (C) 2000 - 2020, Intel Corp.
+ * Copyright (C) 2000 - 2022, Intel Corp.
  *
  *****************************************************************************/
 
@@ -35,7 +35,7 @@ static acpi_status osl_add_table_to_list(char *signature, u32 instance);
 static acpi_status
 osl_read_table_from_file(char *filename,
 			 acpi_size file_offset,
-			 char *signature, struct acpi_table_header **table);
+			 struct acpi_table_header **table);
 
 static acpi_status
 osl_map_table(acpi_size address,
@@ -110,7 +110,7 @@ u32 gbl_table_count = 0;
  *
  * RETURN:      Status; Converted from errno.
  *
- * DESCRIPTION: Get last errno and conver it to acpi_status.
+ * DESCRIPTION: Get last errno and convert it to acpi_status.
  *
  *****************************************************************************/
 
@@ -1184,8 +1184,6 @@ osl_table_name_from_file(char *filename, char *signature, u32 *instance)
  *
  * PARAMETERS:  filename            - File that contains the desired table
  *              file_offset         - Offset of the table in file
- *              signature           - Optional ACPI Signature for desired table.
- *                                    A null terminated 4-character string.
  *              table               - Where a pointer to the table is returned
  *
  * RETURN:      Status; Table buffer is returned if AE_OK.
@@ -1197,7 +1195,7 @@ osl_table_name_from_file(char *filename, char *signature, u32 *instance)
 static acpi_status
 osl_read_table_from_file(char *filename,
 			 acpi_size file_offset,
-			 char *signature, struct acpi_table_header **table)
+			 struct acpi_table_header **table)
 {
 	FILE *table_file;
 	struct acpi_table_header header;
@@ -1225,6 +1223,8 @@ osl_read_table_from_file(char *filename,
 		goto exit;
 	}
 
+#ifdef ACPI_OBSOLETE_FUNCTIONS
+
 	/* If signature is specified, it must match the table */
 
 	if (signature) {
@@ -1244,6 +1244,7 @@ osl_read_table_from_file(char *filename,
 			goto exit;
 		}
 	}
+#endif
 
 	table_length = ap_get_table_length(&header);
 	if (table_length == 0) {
@@ -1366,7 +1367,7 @@ osl_get_customized_table(char *pathname,
 	/* There is no physical address saved for customized tables, use zero */
 
 	*address = 0;
-	status = osl_read_table_from_file(table_filename, 0, NULL, table);
+	status = osl_read_table_from_file(table_filename, 0, table);
 
 	return (status);
 }
diff --git a/tools/power/acpi/os_specific/service_layers/osunixdir.c b/tools/power/acpi/os_specific/service_layers/osunixdir.c
index fd05ddee240f..5107892d054b 100644
--- a/tools/power/acpi/os_specific/service_layers/osunixdir.c
+++ b/tools/power/acpi/os_specific/service_layers/osunixdir.c
@@ -3,7 +3,7 @@
  *
  * Module Name: osunixdir - Unix directory access interfaces
  *
- * Copyright (C) 2000 - 2020, Intel Corp.
+ * Copyright (C) 2000 - 2022, Intel Corp.
  *
  *****************************************************************************/
 
diff --git a/tools/power/acpi/os_specific/service_layers/osunixmap.c b/tools/power/acpi/os_specific/service_layers/osunixmap.c
index c565546e85bc..6ff4edd8dc3b 100644
--- a/tools/power/acpi/os_specific/service_layers/osunixmap.c
+++ b/tools/power/acpi/os_specific/service_layers/osunixmap.c
@@ -3,7 +3,7 @@
  *
  * Module Name: osunixmap - Unix OSL for file mappings
  *
- * Copyright (C) 2000 - 2020, Intel Corp.
+ * Copyright (C) 2000 - 2022, Intel Corp.
  *
  *****************************************************************************/
 
diff --git a/tools/power/acpi/os_specific/service_layers/osunixxf.c b/tools/power/acpi/os_specific/service_layers/osunixxf.c
index 5b2fd968535f..b3651a04d68c 100644
--- a/tools/power/acpi/os_specific/service_layers/osunixxf.c
+++ b/tools/power/acpi/os_specific/service_layers/osunixxf.c
@@ -3,7 +3,7 @@
  *
  * Module Name: osunixxf - UNIX OSL interfaces
  *
- * Copyright (C) 2000 - 2020, Intel Corp.
+ * Copyright (C) 2000 - 2022, Intel Corp.
  *
  *****************************************************************************/
 
diff --git a/tools/power/acpi/tools/acpidump/acpidump.h b/tools/power/acpi/tools/acpidump/acpidump.h
index 26a5eae9f87f..153249c87fd7 100644
--- a/tools/power/acpi/tools/acpidump/acpidump.h
+++ b/tools/power/acpi/tools/acpidump/acpidump.h
@@ -3,7 +3,7 @@
  *
  * Module Name: acpidump.h - Include file for acpi_dump utility
  *
- * Copyright (C) 2000 - 2020, Intel Corp.
+ * Copyright (C) 2000 - 2022, Intel Corp.
  *
  *****************************************************************************/
 
diff --git a/tools/power/acpi/tools/acpidump/apdump.c b/tools/power/acpi/tools/acpidump/apdump.c
index 76433296055d..d54dde02b87d 100644
--- a/tools/power/acpi/tools/acpidump/apdump.c
+++ b/tools/power/acpi/tools/acpidump/apdump.c
@@ -3,7 +3,7 @@
  *
  * Module Name: apdump - Dump routines for ACPI tables (acpidump)
  *
- * Copyright (C) 2000 - 2020, Intel Corp.
+ * Copyright (C) 2000 - 2022, Intel Corp.
  *
  *****************************************************************************/
 
diff --git a/tools/power/acpi/tools/acpidump/apfiles.c b/tools/power/acpi/tools/acpidump/apfiles.c
index a682bae4e6f6..2d9b45a9b526 100644
--- a/tools/power/acpi/tools/acpidump/apfiles.c
+++ b/tools/power/acpi/tools/acpidump/apfiles.c
@@ -3,7 +3,7 @@
  *
  * Module Name: apfiles - File-related functions for acpidump utility
  *
- * Copyright (C) 2000 - 2020, Intel Corp.
+ * Copyright (C) 2000 - 2022, Intel Corp.
  *
  *****************************************************************************/
 
diff --git a/tools/power/acpi/tools/acpidump/apmain.c b/tools/power/acpi/tools/acpidump/apmain.c
index 046e6b8d6baa..44b23fc53dd9 100644
--- a/tools/power/acpi/tools/acpidump/apmain.c
+++ b/tools/power/acpi/tools/acpidump/apmain.c
@@ -3,7 +3,7 @@
  *
  * Module Name: apmain - Main module for the acpidump utility
  *
- * Copyright (C) 2000 - 2020, Intel Corp.
+ * Copyright (C) 2000 - 2022, Intel Corp.
  *
  *****************************************************************************/
 
diff --git a/tools/power/acpi/tools/pfrut/Makefile b/tools/power/acpi/tools/pfrut/Makefile
new file mode 100644
index 000000000000..61c1a96fd433
--- /dev/null
+++ b/tools/power/acpi/tools/pfrut/Makefile
@@ -0,0 +1,23 @@
+# SPDX-License-Identifier: GPL-2.0+
+
+include ../../Makefile.config
+
+TOOL = pfrut
+EXTRA_INSTALL = install-man
+EXTRA_UNINSTALL = uninstall-man
+
+CFLAGS += -Wall -O2
+CFLAGS += -DPFRUT_HEADER='"../../../../../include/uapi/linux/pfrut.h"'
+LDFLAGS += -luuid
+
+TOOL_OBJS = \
+	pfrut.o
+
+include ../../Makefile.rules
+
+install-man: $(srctree)/man/pfrut.8
+	$(ECHO) "  INST    " pfrut.8
+	$(QUIET) $(INSTALL_DATA) -D $< $(DESTDIR)$(mandir)/man8/pfrut.8
+uninstall-man:
+	$(ECHO) "  UNINST  " pfrut.8
+	$(QUIET) rm -f $(DESTDIR)$(mandir)/man8/pfrut.8
diff --git a/tools/power/acpi/tools/pfrut/pfrut.c b/tools/power/acpi/tools/pfrut/pfrut.c
new file mode 100644
index 000000000000..52aa0351533c
--- /dev/null
+++ b/tools/power/acpi/tools/pfrut/pfrut.c
@@ -0,0 +1,424 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Platform Firmware Runtime Update tool to do Management
+ * Mode code injection/driver update and telemetry retrieval.
+ *
+ * This tool uses the interfaces provided by pfr_update and
+ * pfr_telemetry drivers. These interfaces are exposed via
+ * /dev/pfr_update and /dev/pfr_telemetry. Write operation
+ * on the /dev/pfr_update is to load the EFI capsule into
+ * kernel space. Mmap/read operations on /dev/pfr_telemetry
+ * could be used to read the telemetry data to user space.
+ */
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <uuid/uuid.h>
+#include PFRUT_HEADER
+
+char *capsule_name;
+int action, query_cap, log_type, log_level, log_read, log_getinfo,
+	revid, log_revid;
+int set_log_level, set_log_type,
+	set_revid, set_log_revid;
+
+char *progname;
+
+#define LOG_ERR		0
+#define LOG_WARN	1
+#define LOG_INFO	2
+#define LOG_VERB	4
+#define LOG_EXEC_IDX	0
+#define LOG_HISTORY_IDX	1
+#define REVID_1		1
+#define REVID_2		2
+
+static int valid_log_level(int level)
+{
+	return level == LOG_ERR || level == LOG_WARN ||
+	       level == LOG_INFO || level == LOG_VERB;
+}
+
+static int valid_log_type(int type)
+{
+	return type == LOG_EXEC_IDX || type == LOG_HISTORY_IDX;
+}
+
+static inline int valid_log_revid(int id)
+{
+	return id == REVID_1 || id == REVID_2;
+}
+
+static void help(void)
+{
+	fprintf(stderr,
+		"usage: %s [OPTIONS]\n"
+		" code injection:\n"
+		"  -l, --load\n"
+		"  -s, --stage\n"
+		"  -a, --activate\n"
+		"  -u, --update [stage and activate]\n"
+		"  -q, --query\n"
+		"  -d, --revid update\n"
+		" telemetry:\n"
+		"  -G, --getloginfo\n"
+		"  -T, --type(0:execution, 1:history)\n"
+		"  -L, --level(0, 1, 2, 4)\n"
+		"  -R, --read\n"
+		"  -D, --revid log\n",
+		progname);
+}
+
+char *option_string = "l:sauqd:GT:L:RD:h";
+static struct option long_options[] = {
+	{"load", required_argument, 0, 'l'},
+	{"stage", no_argument, 0, 's'},
+	{"activate", no_argument, 0, 'a'},
+	{"update", no_argument, 0, 'u'},
+	{"query", no_argument, 0, 'q'},
+	{"getloginfo", no_argument, 0, 'G'},
+	{"type", required_argument, 0, 'T'},
+	{"level", required_argument, 0, 'L'},
+	{"read", no_argument, 0, 'R'},
+	{"setrev", required_argument, 0, 'd'},
+	{"setrevlog", required_argument, 0, 'D'},
+	{"help", no_argument, 0, 'h'},
+	{}
+};
+
+static void parse_options(int argc, char **argv)
+{
+	int option_index = 0;
+	char *pathname;
+	int opt;
+
+	pathname = strdup(argv[0]);
+	progname = basename(pathname);
+
+	while ((opt = getopt_long_only(argc, argv, option_string,
+				       long_options, &option_index)) != -1) {
+		switch (opt) {
+		case 'l':
+			capsule_name = optarg;
+			break;
+		case 's':
+			action = 1;
+			break;
+		case 'a':
+			action = 2;
+			break;
+		case 'u':
+			action = 3;
+			break;
+		case 'q':
+			query_cap = 1;
+			break;
+		case 'G':
+			log_getinfo = 1;
+			break;
+		case 'T':
+			log_type = atoi(optarg);
+			set_log_type = 1;
+			break;
+		case 'L':
+			log_level = atoi(optarg);
+			set_log_level = 1;
+			break;
+		case 'R':
+			log_read = 1;
+			break;
+		case 'd':
+			revid = atoi(optarg);
+			set_revid = 1;
+			break;
+		case 'D':
+			log_revid = atoi(optarg);
+			set_log_revid = 1;
+			break;
+		case 'h':
+			help();
+			exit(0);
+		default:
+			break;
+		}
+	}
+}
+
+void print_cap(struct pfru_update_cap_info *cap)
+{
+	char *uuid;
+
+	uuid = malloc(37);
+	if (!uuid) {
+		perror("Can not allocate uuid buffer\n");
+		exit(1);
+	}
+
+	uuid_unparse(cap->code_type, uuid);
+	printf("code injection image type:%s\n", uuid);
+	printf("fw_version:%d\n", cap->fw_version);
+	printf("code_rt_version:%d\n", cap->code_rt_version);
+
+	uuid_unparse(cap->drv_type, uuid);
+	printf("driver update image type:%s\n", uuid);
+	printf("drv_rt_version:%d\n", cap->drv_rt_version);
+	printf("drv_svn:%d\n", cap->drv_svn);
+
+	uuid_unparse(cap->platform_id, uuid);
+	printf("platform id:%s\n", uuid);
+	uuid_unparse(cap->oem_id, uuid);
+	printf("oem id:%s\n", uuid);
+	printf("oem information length:%d\n", cap->oem_info_len);
+
+	free(uuid);
+}
+
+int main(int argc, char *argv[])
+{
+	int fd_update, fd_update_log, fd_capsule;
+	struct pfrt_log_data_info data_info;
+	struct pfrt_log_info info;
+	struct pfru_update_cap_info cap;
+	void *addr_map_capsule;
+	struct stat st;
+	char *log_buf;
+	int ret;
+
+	if (getuid() != 0) {
+		printf("Please run the tool as root - Exiting.\n");
+		return 1;
+	}
+
+	parse_options(argc, argv);
+
+	fd_update = open("/dev/acpi_pfr_update0", O_RDWR);
+	if (fd_update < 0) {
+		printf("PFRU device not supported - Quit...\n");
+		return 1;
+	}
+
+	fd_update_log = open("/dev/acpi_pfr_telemetry0", O_RDWR);
+	if (fd_update_log < 0) {
+		printf("PFRT device not supported - Quit...\n");
+		return 1;
+	}
+
+	if (query_cap) {
+		ret = ioctl(fd_update, PFRU_IOC_QUERY_CAP, &cap);
+		if (ret)
+			perror("Query Update Capability info failed.");
+		else
+			print_cap(&cap);
+
+		close(fd_update);
+		close(fd_update_log);
+
+		return ret;
+	}
+
+	if (log_getinfo) {
+		ret = ioctl(fd_update_log, PFRT_LOG_IOC_GET_DATA_INFO, &data_info);
+		if (ret) {
+			perror("Get telemetry data info failed.");
+			close(fd_update);
+			close(fd_update_log);
+
+			return 1;
+		}
+
+		ret = ioctl(fd_update_log, PFRT_LOG_IOC_GET_INFO, &info);
+		if (ret) {
+			perror("Get telemetry info failed.");
+			close(fd_update);
+			close(fd_update_log);
+
+			return 1;
+		}
+
+		printf("log_level:%d\n", info.log_level);
+		printf("log_type:%d\n", info.log_type);
+		printf("log_revid:%d\n", info.log_revid);
+		printf("max_data_size:%d\n", data_info.max_data_size);
+		printf("chunk1_size:%d\n", data_info.chunk1_size);
+		printf("chunk2_size:%d\n", data_info.chunk2_size);
+		printf("rollover_cnt:%d\n", data_info.rollover_cnt);
+		printf("reset_cnt:%d\n", data_info.reset_cnt);
+
+		return 0;
+	}
+
+	info.log_level = -1;
+	info.log_type = -1;
+	info.log_revid = -1;
+
+	if (set_log_level) {
+		if (!valid_log_level(log_level)) {
+			printf("Invalid log level %d\n",
+			       log_level);
+		} else {
+			info.log_level = log_level;
+		}
+	}
+
+	if (set_log_type) {
+		if (!valid_log_type(log_type)) {
+			printf("Invalid log type %d\n",
+			       log_type);
+		} else {
+			info.log_type = log_type;
+		}
+	}
+
+	if (set_log_revid) {
+		if (!valid_log_revid(log_revid)) {
+			printf("Invalid log revid %d, unchanged.\n",
+			       log_revid);
+		} else {
+			info.log_revid = log_revid;
+		}
+	}
+
+	ret = ioctl(fd_update_log, PFRT_LOG_IOC_SET_INFO, &info);
+	if (ret) {
+		perror("Log information set failed.(log_level, log_type, log_revid)");
+		close(fd_update);
+		close(fd_update_log);
+
+		return 1;
+	}
+
+	if (set_revid) {
+		ret = ioctl(fd_update, PFRU_IOC_SET_REV, &revid);
+		if (ret) {
+			perror("pfru update revid set failed");
+			close(fd_update);
+			close(fd_update_log);
+
+			return 1;
+		}
+
+		printf("pfru update revid set to %d\n", revid);
+	}
+
+	if (capsule_name) {
+		fd_capsule = open(capsule_name, O_RDONLY);
+		if (fd_capsule < 0) {
+			perror("Can not open capsule file...");
+			close(fd_update);
+			close(fd_update_log);
+
+			return 1;
+		}
+
+		if (fstat(fd_capsule, &st) < 0) {
+			perror("Can not fstat capsule file...");
+			close(fd_capsule);
+			close(fd_update);
+			close(fd_update_log);
+
+			return 1;
+		}
+
+		addr_map_capsule = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED,
+					fd_capsule, 0);
+		if (addr_map_capsule == MAP_FAILED) {
+			perror("Failed to mmap capsule file.");
+			close(fd_capsule);
+			close(fd_update);
+			close(fd_update_log);
+
+			return 1;
+		}
+
+		ret = write(fd_update, (char *)addr_map_capsule, st.st_size);
+		printf("Load %d bytes of capsule file into the system\n",
+		       ret);
+
+		if (ret == -1) {
+			perror("Failed to load capsule file");
+			close(fd_capsule);
+			close(fd_update);
+			close(fd_update_log);
+
+			return 1;
+		}
+
+		munmap(addr_map_capsule, st.st_size);
+		close(fd_capsule);
+		printf("Load done.\n");
+	}
+
+	if (action) {
+		if (action == 1) {
+			ret = ioctl(fd_update, PFRU_IOC_STAGE, NULL);
+		} else if (action == 2) {
+			ret = ioctl(fd_update, PFRU_IOC_ACTIVATE, NULL);
+		} else if (action == 3) {
+			ret = ioctl(fd_update, PFRU_IOC_STAGE_ACTIVATE, NULL);
+		} else {
+			close(fd_update);
+			close(fd_update_log);
+
+			return 1;
+		}
+		printf("Update finished, return %d\n", ret);
+	}
+
+	close(fd_update);
+
+	if (log_read) {
+		void *p_mmap;
+		int max_data_sz;
+
+		ret = ioctl(fd_update_log, PFRT_LOG_IOC_GET_DATA_INFO, &data_info);
+		if (ret) {
+			perror("Get telemetry data info failed.");
+			close(fd_update_log);
+
+			return 1;
+		}
+
+		max_data_sz = data_info.max_data_size;
+		if (!max_data_sz) {
+			printf("No telemetry data available.\n");
+			close(fd_update_log);
+
+			return 1;
+		}
+
+		log_buf = malloc(max_data_sz + 1);
+		if (!log_buf) {
+			perror("log_buf allocate failed.");
+			close(fd_update_log);
+
+			return 1;
+		}
+
+		p_mmap = mmap(NULL, max_data_sz, PROT_READ, MAP_SHARED, fd_update_log, 0);
+		if (p_mmap == MAP_FAILED) {
+			perror("mmap error.");
+			close(fd_update_log);
+
+			return 1;
+		}
+
+		memcpy(log_buf, p_mmap, max_data_sz);
+		log_buf[max_data_sz] = '\0';
+		printf("%s\n", log_buf);
+		free(log_buf);
+
+		munmap(p_mmap, max_data_sz);
+	}
+
+	close(fd_update_log);
+
+	return 0;
+}