Initial s390-tools-2.0.0 import

This commit is based on the s390-tools-1.39.0 version. Changes on top of s390-tools-1.39.0: - Add MIT license to all source files - Add LICENSE file - Transform REAMDE to README.md (markdown) - Add AUTHORS.md file - Add CONTRIBUTING.md file - Move changelog from README to CHANGELOG.md file Reviewed-by: Stefan Haberland <sth@linux.vnet.ibm.com> Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
2026-08-05 02:14:52 +00:00 · 2017-08-07 16:13:17 +02:00
commit b627b8d8e1
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+/*
+ * zgetdump - Tool for copying and converting System z dumps
+ *
+ * Dump tool info generic functions
+ *
+ * Copyright IBM Corp. 2001, 2017
+ *
+ * s390-tools is free software; you can redistribute it and/or modify
+ * it under the terms of the MIT license. See LICENSE for details.
+ */
+
+#include "zgetdump.h"
+
+/*
+ * Supported dump tools
+ */
+static struct dt *dt_vec[] = {
+	&dt_s390mv,
+	&dt_s390sv,
+	&dt_scsi,
+	NULL,
+};
+
+/*
+ * Dumper attribute information
+ */
+struct attr {
+	int	*force;
+	u64	*mem_limit;
+	char	*dasd_type;
+};
+
+/*
+ * File local static data
+ */
+static struct {
+	int		version;
+	enum dfi_arch	arch;
+	struct attr	attr;
+	struct dt	*dt;
+} l;
+
+/*
+ * Init dump tool backends
+ */
+void dt_init(void)
+{
+	struct dt *dt;
+	int i = 0;
+
+	while ((dt = dt_vec[i])) {
+		g.fh = zg_open(g.opts.device, O_RDONLY, ZG_CHECK);
+		if (!S_ISBLK(g.fh->sb.st_mode))
+			ERR_EXIT("Please specify DASD or SCSI device node"
+				 "(e.g. /dev/dasdd or /dev/sda )");
+		if (dt->init() == 0) {
+			l.dt = dt;
+			return;
+		}
+		zg_close(g.fh);
+		i++;
+	}
+	ERR_EXIT("No dump tool found on \"%s\"", g.opts.device);
+}
+
+/*
+ * Print info about dump tool
+ */
+void dt_info_print(void)
+{
+	STDERR("Dump device info:\n");
+	STDERR("  Dump tool.........: %s\n", l.dt->desc);
+	STDERR("  Version...........: %d\n", l.version);
+	STDERR("  Architecture......: %s\n", dfi_arch_str(l.arch));
+	if (l.attr.dasd_type)
+		STDERR("  DASD type.........: %s\n", l.attr.dasd_type);
+
+	if (l.attr.mem_limit) {
+		if (*l.attr.mem_limit != U64_MAX)
+			STDERR("  Dump size limit...: %lld MB\n",
+			       TO_MIB(*l.attr.mem_limit));
+		else
+			STDERR("  Dump size limit...: none\n");
+	}
+	if (l.attr.force) {
+		if (*l.attr.force == 0)
+			STDERR("  Force specified...: no\n");
+		else
+			STDERR("  Force specified...: yes\n");
+	}
+	if (l.dt->info) {
+		STDERR("\n");
+		l.dt->info();
+	}
+}
+
+/*
+ * Set DT architecture
+ */
+void dt_arch_set(enum dfi_arch arch)
+{
+	l.arch = arch;
+}
+
+/*
+ * Set DT version
+ */
+void dt_version_set(int version)
+{
+	l.version = version;
+}
+
+/*
+ * Set DT memory limit attribute
+ */
+void dt_attr_mem_limit_set(u64 mem_limit)
+{
+	l.attr.mem_limit = zg_alloc(sizeof(*l.attr.mem_limit));
+	*l.attr.mem_limit = mem_limit;
+}
+
+/*
+ * Set DT force attribute
+ */
+void dt_attr_force_set(int force)
+{
+	l.attr.force = zg_alloc(sizeof(*l.attr.force));
+	*l.attr.force = force;
+}
+
+/*
+ * Set DT DASD type attribute
+ */
+void dt_attr_dasd_type_set(const char *dasd_type)
+{
+	l.attr.dasd_type = zg_strdup(dasd_type);
+}