File nvme_call_home-remove-d-and-f-as-visible-option... of Package ppc64-diag

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File nvme_call_home-remove-d-and-f-as-visible-options.patch of Package ppc64-diag (Revision 1c9819a79f747b541a6478f067f3b19f)

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From 11cb2a44a59b63bdc23c94e386c4e2f43ea7eb61 Mon Sep 17 00:00:00 2001
From: Greg Joyce <gjoyce@linux.vnet.ibm.com>
Date: Fri, 22 Sep 2023 15:19:34 -0500
Subject: [PATCH] nvme_call_home: remove -d and -f as visible options

The dump(-d) and file(-f) options have been removed as option in usage
and also in the man page. The options are for internal test only and
should not have been exposed. Also added some helpful status messages.

Signed-off-by: Greg Joyce <gjoyce@linux.vnet.ibm.com>
---
 diags/diag_nvme.c     | 23 ++++++++++++++-------
 diags/man/diag_nvme.8 | 48 +++----------------------------------------
 2 files changed, 19 insertions(+), 52 deletions(-)

diff --git a/diags/diag_nvme.c b/diags/diag_nvme.c
index 2a78034ecfd9..df191f2d1ac8 100644
--- a/diags/diag_nvme.c
+++ b/diags/diag_nvme.c
@@ -165,6 +165,11 @@ int main(int argc, char *argv[]) {
 		optind++;
 	}
 
+	if (rc == 0)
+		fprintf(stdout, "Command completed successfully\n");
+	else
+		fprintf(stderr, "Command failed, exiting with rc %d\n", rc);
+
 	return rc;
 }
 
@@ -310,6 +315,7 @@ extern int dump_smart_data(char *device_name, char *dump_path) {
 	int fd, rc;
 	FILE *fp;
 	struct nvme_smart_log_page smart_log = { 0 };
+	char ans;
 
 	/* Read SMART data from device */
 	snprintf(dev_path,sizeof(dev_path), "/dev/%s", device_name);
@@ -331,8 +337,16 @@ extern int dump_smart_data(char *device_name, char *dump_path) {
 	}
 	fp = fopen(dump_path, "wx");
 	if (fp == NULL) {
-		fprintf(stderr, "%s open failed: %s\n", dump_path, strerror(errno));
-		return -1;
+		if (errno == EEXIST) {
+			fprintf(stdout, "File %s exists. Overwrite (y/n)? ", dump_path);
+			rc = scanf("%c", &ans);
+			if (ans == 'y' || ans == 'Y')
+				fp = fopen(dump_path, "w");
+		}
+		if (fp == NULL) {
+			fprintf(stderr, "%s open failed: %s\n", dump_path, strerror(errno));
+			return -1;
+		}
 	}
 	write_smart_file(fp, &smart_log);
 	fclose(fp);
@@ -974,11 +988,6 @@ extern int open_nvme(char *dev_path) {
 static void print_usage(char *command) {
 	printf("Usage: %s [-h] [-d <file>] [-f <file>] [<nvme_devices>]\n"
 		"\t-h or --help: print this help message\n"
-		"\t-d or --dump: dump SMART data to the specified path and file name <file>\n"
-		"\t                  one <nvme_device> is expected with this option\n"
-		"\t-f or --file: use SMART data from the specified path and file name <file>\n"
-		"\t                  instead of device, one <nvme_device> is expected with\n"
-		"\t                  this option\n"
 		"\t<nvme_devices>: the NVMe devices on which to operate, for\n"
 		"\t                  example nvme0; if not specified, all detected\n"
 		"\t                  nvme devices will be diagnosed\n", command);
diff --git a/diags/man/diag_nvme.8 b/diags/man/diag_nvme.8
index 45567ac26bfc..c023ed6719eb 100644
--- a/diags/man/diag_nvme.8
+++ b/diags/man/diag_nvme.8
@@ -1,7 +1,7 @@
 .\"
-.\" Copyright (C) 2022 IBM Corporation
+.\" Copyright (C) 2022, 2023 IBM Corporation
 .\"
-.TH "DIAG_NVME" "8" "June 2022" "Linux" "PowerLinux Diagnostic Tools"
+.TH "DIAG_NVME" "8" "September 2023" "Linux" "PowerLinux Diagnostic Tools"
 .hy
 .SH NAME
 .PP
@@ -12,7 +12,7 @@ diag_nvme \- diagnose NVMe devices
 .PD 0
 .P
 .PD
-\f[B]diag_nvme\f[] [\-d <\f[I]file\f[]>] [\-f <\f[I]file\f[]>]
+\f[B]diag_nvme\f[]
 <\f[B]nvme\f[]\f[I]n\f[]>
 .PD 0
 .P
@@ -29,52 +29,10 @@ go through the diagnostics procedure.
 The user can control which events will be reported through the
 configuration file \f[I]/etc/ppc64\-diag/diag_nvme.config\f[]
 .SH OPTIONS
-.TP
-.B \f[B]\-d\f[], \f[B]--dump\f[] \f[I]file\f[]
-Dump SMART data to the specified path and file name \f[I]file\f[].
-The SMART data is extracted from an NVMe device, so specifying one is
-mandatory if this option is selected.
-File created is in a simple key=value format.
-.RS
-.RE
-.TP
-.B \f[B]\-f\f[], \f[B]--file\f[] \f[I]file\f[]
-This option usage is for testing only.
-Use SMART data from the specified path and file name \f[I]file\f[]
-instead of device, one NVMe is mandatory if this option is selected.
-The expected format of the file is a simple key=value that is the same
-one provided with the \-d / --dump option.
-If \f[I]file\f[] is missing from the filesystem it will be treated as a
-failure to retrieve SMART data and an event will be reported.
-.RS
-.RE
-.TP
-.B \f[B]\-h\f[], \f[B]--help\f[]
-Print a help message and exit
-.RS
-.RE
-.SH EXAMPLES
-.TP
-.B \f[B]diag_nvme\f[]
-Run diagnostics in all NVMe devices detected in the system.
-.RS
-.RE
-.TP
 .B \f[B]diag_nvme nvme0 nvme1\f[]
 Run diagnostics only in nvme0 and nvme1 devices.
 .RS
 .RE
-.TP
-.B \f[B]diag_nvme \-d smart.txt nvme0\f[]
-Dump SMART data from nvme0 into file smart.txt.
-.RS
-.RE
-.TP
-.B \f[B]diag_nvme \-f smart.txt nvme0\f[]
-Read SMART data from file smart.txt and use it as health information for
-diagnostics of device nvme0.
-.RS
-.RE
 .SH REPORTING BUGS
 .PP
 Patches and issues may be submitted at
-- 
2.43.2

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File nvme_call_home-remove-d-and-f-as-visible-options.patch of Package ppc64-diag (Revision 1c9819a79f747b541a6478f067f3b19f)

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