From f26f66d866ba1a9f3204e6fdfe2b07e67b5492ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 10 Apr 2024 21:41:32 +0200 Subject: Adding upstream version 2.8. Signed-off-by: Daniel Baumann --- plugins/solidigm/solidigm-garbage-collection.c | 138 +++++++++++++++++++++++++ 1 file changed, 138 insertions(+) create mode 100644 plugins/solidigm/solidigm-garbage-collection.c (limited to 'plugins/solidigm/solidigm-garbage-collection.c') diff --git a/plugins/solidigm/solidigm-garbage-collection.c b/plugins/solidigm/solidigm-garbage-collection.c new file mode 100644 index 0000000..a37e9c5 --- /dev/null +++ b/plugins/solidigm/solidigm-garbage-collection.c @@ -0,0 +1,138 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2022 Solidigm. + * + * Author: leonardo.da.cunha@solidigm.com + */ + +#include +#include +#include +#include +#include +#include + +#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" +#include "solidigm-util.h" + +struct __packed gc_item { + __le32 timer_type; + __le64 timestamp; +}; + +#define VU_GC_MAX_ITEMS 100 +struct garbage_control_collection_log { + __le16 version_major; + __le16 version_minor; + struct __packed gc_item item[VU_GC_MAX_ITEMS]; + __u8 reserved[2892]; +}; + +static void vu_gc_log_show_json(struct garbage_control_collection_log *payload, const char *devname) +{ + struct json_object *gc_entries = json_create_array(); + + for (int i = 0; i < VU_GC_MAX_ITEMS; i++) { + struct __packed gc_item 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(struct garbage_control_collection_log *payload, const char *devname, + __u8 uuid_index) +{ + printf("Solidigm Garbage Collection Log for NVME device:%s UUID-idx:%d\n", devname, + uuid_index); + printf("Timestamp Timer Type\n"); + + for (int i = 0; i < VU_GC_MAX_ITEMS; i++) { + struct __packed gc_item 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."; + enum nvme_print_flags flags; + struct nvme_dev *dev; + int err; + __u8 uuid_index; + + 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; + + err = validate_output_format(cfg.output_format, &flags); + if (err) { + fprintf(stderr, "Invalid output format '%s'\n", cfg.output_format); + dev_close(dev); + return -EINVAL; + } + + uuid_index = solidigm_get_vu_uuid_index(dev); + + struct garbage_control_collection_log gc_log; + const int solidigm_vu_gc_log_id = 0xfd; + struct nvme_get_log_args args = { + .lpo = 0, + .result = NULL, + .log = &gc_log, + .args_size = sizeof(args), + .fd = dev_fd(dev), + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .lid = solidigm_vu_gc_log_id, + .len = sizeof(gc_log), + .nsid = NVME_NSID_ALL, + .csi = NVME_CSI_NVM, + .lsi = NVME_LOG_LSI_NONE, + .lsp = NVME_LOG_LSP_NONE, + .uuidx = uuid_index, + .rae = false, + .ot = false, + }; + + err = nvme_get_log(&args); + 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, uuid_index); + } 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; +} -- cgit v1.2.3