--- /dev/null
+.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.
--- /dev/null
+// 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 = 0;
+
+ 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;
+}
projects / users / hch / xfs.git / commitdiff