From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 1458E212E1591 for ; Sat, 27 Jul 2019 14:56:16 -0700 (PDT) Subject: [ndctl PATCH v2 02/26] ndctl/dimm: Add --human support to read-labels From: Dan Williams Date: Sat, 27 Jul 2019 14:39:31 -0700 Message-ID: <156426357173.531577.2988157861473659679.stgit@dwillia2-desk3.amr.corp.intel.com> In-Reply-To: <156426356088.531577.14828880045306313118.stgit@dwillia2-desk3.amr.corp.intel.com> References: <156426356088.531577.14828880045306313118.stgit@dwillia2-desk3.amr.corp.intel.com> MIME-Version: 1.0 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" To: linux-nvdimm@lists.01.org List-ID: Allow for easier comparisons between 'read-labels' output and list. Signed-off-by: Dan Williams --- Documentation/ndctl/ndctl-read-labels.txt | 7 +++++++ ndctl/dimm.c | 20 ++++++++++++-------- 2 files changed, 19 insertions(+), 8 deletions(-) diff --git a/Documentation/ndctl/ndctl-read-labels.txt b/Documentation/ndctl/ndctl-read-labels.txt index 0127e15f0721..756713ee12d7 100644 --- a/Documentation/ndctl/ndctl-read-labels.txt +++ b/Documentation/ndctl/ndctl-read-labels.txt @@ -27,6 +27,13 @@ include::labels-options.txt[] parse the label data into json assuming the 'NVDIMM Namespace Specification' format. +-u:: +--human:: + enable json output and convert number formats to human readable + strings, for example show the size in terms of "KB", "MB", "GB", etc + instead of a signed 64-bit numbers per the JSON interchange + format (implies --json). + include::../copyright.txt[] SEE ALSO diff --git a/ndctl/dimm.c b/ndctl/dimm.c index 8946dc74fe41..5f05a75f00eb 100644 --- a/ndctl/dimm.c +++ b/ndctl/dimm.c @@ -51,6 +51,7 @@ static struct parameters { bool overwrite; bool zero_key; bool master_pass; + bool human; bool force; bool json; bool verbose; @@ -80,7 +81,7 @@ static int action_zero(struct ndctl_dimm *dimm, struct action_context *actx) } static struct json_object *dump_label_json(struct ndctl_dimm *dimm, - struct ndctl_cmd *cmd_read, ssize_t size) + struct ndctl_cmd *cmd_read, ssize_t size, unsigned long flags) { struct json_object *jarray = json_object_new_array(); struct json_object *jlabel = NULL; @@ -141,12 +142,13 @@ static struct json_object *dump_label_json(struct ndctl_dimm *dimm, break; json_object_object_add(jlabel, "nlabel", jobj); - jobj = json_object_new_int64(le64_to_cpu(nslabel.flags)); + jobj = util_json_object_hex(le32_to_cpu(nslabel.flags), flags); if (!jobj) break; json_object_object_add(jlabel, "flags", jobj); - jobj = json_object_new_int64(le64_to_cpu(nslabel.isetcookie)); + jobj = util_json_object_hex(le64_to_cpu(nslabel.isetcookie), + flags); if (!jobj) break; json_object_object_add(jlabel, "isetcookie", jobj); @@ -156,12 +158,12 @@ static struct json_object *dump_label_json(struct ndctl_dimm *dimm, break; json_object_object_add(jlabel, "lbasize", jobj); - jobj = json_object_new_int64(le64_to_cpu(nslabel.dpa)); + jobj = util_json_object_hex(le64_to_cpu(nslabel.dpa), flags); if (!jobj) break; json_object_object_add(jlabel, "dpa", jobj); - jobj = json_object_new_int64(le64_to_cpu(nslabel.rawsize)); + jobj = util_json_object_size(le64_to_cpu(nslabel.rawsize), flags); if (!jobj) break; json_object_object_add(jlabel, "rawsize", jobj); @@ -266,6 +268,7 @@ static struct json_object *dump_index_json(struct ndctl_cmd *cmd_read, ssize_t s static struct json_object *dump_json(struct ndctl_dimm *dimm, struct ndctl_cmd *cmd_read, ssize_t size) { + unsigned long flags = param.human ? UTIL_JSON_HUMAN : 0; struct json_object *jdimm = json_object_new_object(); struct json_object *jlabel, *jobj, *jindex; @@ -274,7 +277,7 @@ static struct json_object *dump_json(struct ndctl_dimm *dimm, jindex = dump_index_json(cmd_read, size); if (!jindex) goto err_jindex; - jlabel = dump_label_json(dimm, cmd_read, size); + jlabel = dump_label_json(dimm, cmd_read, size, flags); if (!jlabel) goto err_jlabel; @@ -1046,7 +1049,8 @@ OPT_BOOLEAN('v',"verbose", ¶m.verbose, "turn on debug") #define READ_OPTIONS() \ OPT_STRING('o', "output", ¶m.outfile, "output-file", \ "filename to write label area contents"), \ -OPT_BOOLEAN('j', "json", ¶m.json, "parse label data into json") +OPT_BOOLEAN('j', "json", ¶m.json, "parse label data into json"), \ +OPT_BOOLEAN('u', "human", ¶m.human, "use human friendly number formats (implies --json)") #define WRITE_OPTIONS() \ OPT_STRING('i', "input", ¶m.infile, "input-file", \ @@ -1156,7 +1160,7 @@ static int dimm_action(int argc, const char **argv, struct ndctl_ctx *ctx, return -EINVAL; } - if (param.json) { + if (param.json || param.human) { actx.jdimms = json_object_new_array(); if (!actx.jdimms) return -ENOMEM; _______________________________________________ Linux-nvdimm mailing list Linux-nvdimm@lists.01.org https://lists.01.org/mailman/listinfo/linux-nvdimm