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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-29 04:41:05 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-29 04:41:05 +0000 |
commit | 1cc8413aaf5f8fa6595aece1933462c096e88639 (patch) | |
tree | e97b4f25c511372d73bdd96c389c5f468d99138a /plugins/solidigm/solidigm-garbage-collection.c | |
parent | Initial commit. (diff) | |
download | nvme-cli-5cfa46883ee24249a66010b27ade5caf2917916a.tar.xz nvme-cli-5cfa46883ee24249a66010b27ade5caf2917916a.zip |
Adding upstream version 2.4+really2.3.upstream/2.4+really2.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | plugins/solidigm/solidigm-garbage-collection.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/plugins/solidigm/solidigm-garbage-collection.c b/plugins/solidigm/solidigm-garbage-collection.c new file mode 100644 index 0000000..8e2eccc --- /dev/null +++ b/plugins/solidigm/solidigm-garbage-collection.c @@ -0,0 +1,115 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2022 Solidigm. + * + * Author: leonardo.da.cunha@solidigm.com + */ + +#include <fcntl.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <inttypes.h> + +#include "common.h" +#include "nvme.h" +#include "libnvme.h" +#include "plugin.h" +#include "linux/types.h" +#include "nvme-print.h" +#include "solidigm-garbage-collection.h" + +typedef struct __attribute__((packed)) gc_item { + __le32 timer_type; + __le64 timestamp; +} gc_item_t; + +#define VU_GC_MAX_ITEMS 100 +typedef struct garbage_control_collection_log { + __le16 version_major; + __le16 version_minor; + gc_item_t item[VU_GC_MAX_ITEMS]; + __u8 reserved[2892]; +} garbage_control_collection_log_t; + +static void vu_gc_log_show_json(garbage_control_collection_log_t *payload, const char *devname) +{ + struct json_object *gc_entries = json_create_array(); + + for (int i = 0; i < VU_GC_MAX_ITEMS; i++) { + gc_item_t item = payload->item[i]; + struct json_object *entry = json_create_object(); + json_object_add_value_int(entry, "timestamp", le64_to_cpu(item.timestamp)); + json_object_add_value_int(entry, "timer_type", le32_to_cpu(item.timer_type)); + json_array_add_value_object(gc_entries, entry); + } + + json_print_object(gc_entries, NULL); + json_free_object(gc_entries); +} + +static void vu_gc_log_show(garbage_control_collection_log_t *payload, const char *devname) +{ + printf("Solidigm Garbage Collection Log for NVME device: %s\n", devname); + printf("Timestamp Timer Type\n"); + + for (int i = 0; i < VU_GC_MAX_ITEMS; i++) { + gc_item_t item = payload->item[i]; + printf("%-13" PRIu64 " %d\n", le64_to_cpu(item.timestamp), le32_to_cpu(item.timer_type)); + } +} + +int solidigm_get_garbage_collection_log(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Get and parse Solidigm vendor specific garbage collection event log."; + struct nvme_dev *dev; + int err; + + struct config { + char *output_format; + }; + + struct config cfg = { + .output_format = "normal", + }; + + OPT_ARGS(opts) = { + OPT_FMT("output-format", 'o', &cfg.output_format, output_format), + OPT_END() + }; + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + enum nvme_print_flags flags = validate_output_format(cfg.output_format); + if (flags == -EINVAL) { + fprintf(stderr, "Invalid output format '%s'\n", cfg.output_format); + dev_close(dev); + return EINVAL; + } + + garbage_control_collection_log_t gc_log; + const int solidigm_vu_gc_log_id = 0xfd; + + err = nvme_get_log_simple(dev_fd(dev), solidigm_vu_gc_log_id, + sizeof(gc_log), &gc_log); + if (!err) { + if (flags & BINARY) { + d_raw((unsigned char *)&gc_log, sizeof(gc_log)); + } else if (flags & JSON) { + vu_gc_log_show_json(&gc_log, dev->name); + } else { + vu_gc_log_show(&gc_log, dev->name); + } + } + else if (err > 0) { + nvme_show_status(err); + } + + /* Redundant close() to make static code analysis happy */ + close(dev->direct.fd); + dev_close(dev); + return err; +} |