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/* Copyright 2017 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define _GNU_SOURCE
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <target.h>
#include <operations.h>
#define HTM_DUMP_BASENAME "htm.dump"
static char *get_htm_dump_filename(void)
{
char *filename;
int i;
filename = strdup(HTM_DUMP_BASENAME);
if (!filename)
return NULL;
i = 0;
while (access(filename, F_OK) == 0) {
free(filename);
if (asprintf(&filename, "%s.%d", HTM_DUMP_BASENAME, i) == -1)
return NULL;
i++;
}
return filename;
}
int run_htm_start(void)
{
struct pdbg_target *target;
int rc = 0;
pdbg_for_each_class_target("htm", target) {
uint32_t index = pdbg_target_index(target);
uint64_t chip_id;
assert(!pdbg_get_u64_property(target, "chip-id", &chip_id));
printf("Starting HTM@%" PRIu64 "#%d\n", chip_id, index);
if (htm_start(target) != 1)
printf("Couldn't start HTM@%" PRIu64 "#%d\n", chip_id, index);
rc++;
}
return rc;
}
int run_htm_stop(void)
{
struct pdbg_target *target;
int rc = 0;
pdbg_for_each_class_target("htm", target) {
uint32_t index = pdbg_target_index(target);
uint64_t chip_id;
assert(!pdbg_get_u64_property(target, "chip-id", &chip_id));
printf("Stopping HTM@%" PRIu64 "#%d\n", chip_id, index);
if (htm_stop(target) != 1)
printf("Couldn't stop HTM@%" PRIu64 "#%d\n", chip_id, index);
rc++;
}
return rc;
}
int run_htm_status(void)
{
struct pdbg_target *target;
int rc = 0;
pdbg_for_each_class_target("htm", target) {
uint32_t index = pdbg_target_index(target);
uint64_t chip_id;
assert(!pdbg_get_u64_property(target, "chip-id", &chip_id));
printf("HTM@%" PRIu64 "#%d\n", chip_id, index);
if (htm_status(target) != 1)
printf("Couldn't get HTM@%" PRIu64 "#%d status\n", chip_id, index);
rc++;
printf("\n\n");
}
return rc;
}
int run_htm_reset(void)
{
uint64_t old_base = 0, base, size;
struct pdbg_target *target;
int rc = 0;
pdbg_for_each_class_target("htm", target) {
uint32_t index = pdbg_target_index(target);
uint64_t chip_id;
assert(!pdbg_get_u64_property(target, "chip-id", &chip_id));
printf("Resetting HTM@%" PRIu64 "#%d\n", chip_id, index);
if (htm_reset(target, &base, &size) != 1)
printf("Couldn't reset HTM@%" PRIu64 "#%d\n", chip_id, index);
if (old_base != base) {
printf("The kernel has initialised HTM memory at:\n");
printf("base: 0x%016" PRIx64 " for 0x%016" PRIx64 " size\n",
base, size);
printf("In case of system crash/xstop use the following to dump the trace on the BMC:\n");
printf("./pdbg getmem 0x%016" PRIx64 " 0x%016" PRIx64 " > htm.dump\n",
base, size);
}
rc++;
}
return rc;
}
int run_htm_dump(void)
{
struct pdbg_target *target;
char *filename;
int rc = 0;
filename = get_htm_dump_filename();
if (!filename)
return 0;
/* size = 0 will dump everything */
printf("Dumping HTM trace to file [chip].[#]%s\n", filename);
pdbg_for_each_class_target("htm", target) {
uint32_t index = pdbg_target_index(target);
uint64_t chip_id;
assert(!pdbg_get_u64_property(target, "chip-id", &chip_id));
printf("Dumping HTM@%" PRIu64 "#%d\n", chip_id, index);
if (htm_dump(target, 0, filename) == 1)
printf("Couldn't dump HTM@%" PRIu64 "#%d\n", chip_id, index);
rc++;
}
free(filename);
return rc;
}
int run_htm_trace(void)
{
uint64_t old_base = 0, base, size;
struct pdbg_target *target;
int rc = 0;
pdbg_for_each_class_target("htm", target) {
uint32_t index = pdbg_target_index(target);
uint64_t chip_id;
/*
* Don't mind if stop fails, it will fail if it wasn't
* running, if anything bad is happening reset will fail
*/
assert(!pdbg_get_u64_property(target, "chip-id", &chip_id));
htm_stop(target);
printf("Resetting HTM@%" PRIu64 "#%d\n", chip_id, index);
if (htm_reset(target, &base, &size) != 1)
printf("Couldn't reset HTM@%" PRIu64 "#%d\n", chip_id, index);
if (old_base != base) {
printf("The kernel has initialised HTM memory at:\n");
printf("base: 0x%016" PRIx64 " for 0x%016" PRIx64 " size\n",
base, size);
printf("./pdbg getmem 0x%016" PRIx64 " 0x%016" PRIx64 " > htm.dump\n\n",
base, size);
}
old_base = base;
}
pdbg_for_each_class_target("htm", target) {
uint32_t index = pdbg_target_index(target);
uint64_t chip_id;
assert(!pdbg_get_u64_property(target, "chip-id", &chip_id));
printf("Starting HTM@%" PRIu64 "#%d\n", chip_id, index);
if (htm_start(target) != 1)
printf("Couldn't start HTM@%" PRIu64 "#%d\n", chip_id, index);
rc++;
}
return rc;
}
int run_htm_analyse(void)
{
struct pdbg_target *target;
char *filename;
int rc = 0;
pdbg_for_each_class_target("htm", target)
htm_stop(target);
filename = get_htm_dump_filename();
if (!filename)
return 0;
printf("Dumping HTM trace to file [chip].[#]%s\n", filename);
pdbg_for_each_class_target("htm", target) {
uint32_t index = pdbg_target_index(target);
uint64_t chip_id;
assert(!pdbg_get_u64_property(target, "chip-id", &chip_id));
printf("Dumping HTM@%" PRIu64 "#%d\n", chip_id, index);
if (htm_dump(target, 0, filename) != 1)
printf("Couldn't dump HTM@%" PRIu64 "#%d\n", chip_id, index);
rc++;
}
free(filename);
return rc;
}
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