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Initial s390-tools-2.0.0 import

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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>
This commit is contained in:
Michael Holzheu
2017-08-07 16:13:17 +02:00
commit b627b8d8e1
647 changed files with 168974 additions and 0 deletions
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151
zdev/src/nic.c Normal file
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/*
* zdev - Modify and display the persistent configuration of devices
*
* Copyright IBM Corp. 2016, 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 <stdlib.h>
#include <string.h>
#include "misc.h"
#include "nic.h"
#include "path.h"
/* Determine NIC data for the specified NIC. */
bool nic_data_get(const char *id, struct nic_data *data_ptr)
{
struct nic_data data;
char *cmd, *vmcp;
char **argv = NULL;
int argc = 0;
bool result = false;
cmd = misc_asprintf("%s query virtual nic %s 2>/dev/null", PATH_VMCP,
id);
vmcp = misc_read_cmd_output(cmd, 0, 1);
if (!vmcp)
goto out;
line_split(vmcp, &argc, &argv);
/* Type. */
if (argc < 4)
goto out;
if (strcmp(argv[3], "QDIO") == 0)
data.type = nic_qdio;
else if (strcmp(argv[3], "HIPERS") == 0)
data.type = nic_hipers;
else if (strcmp(argv[3], "IEDN") == 0)
data.type = nic_iedn;
else if (strcmp(argv[3], "INMN") == 0)
data.type = nic_inmn;
else
goto out;
/* Target. */
if (argc < 13)
goto out;
if (strcmp(argv[10], "VSWITCH:") == 0)
data.target = nic_vswitch;
else if (strcmp(argv[10], "LAN:") == 0)
data.target = nic_lan;
else
goto out;
strncpy(data.owner, argv[11], sizeof(data.owner));
strncpy(data.name, argv[12], sizeof(data.name));
result = true;
*data_ptr = data;
out:
line_free(argc, argv);
free(vmcp);
free(cmd);
return result;
}
/* Used for debugging. */
void nic_data_print(struct nic_data *data, int level)
{
printf("%*snic_data at %p\n", level, "", (void *) data);
level += 2;
printf("%*stype=%d\n", level, "", data->type);
printf("%*starget=%d\n", level, "", data->target);
printf("%*starget owner=%s\n", level, "", data->owner);
printf("%*starget name=%s\n", level, "", data->name);
}
/* Determine layer2 setting required for the specified vswitch. */
bool nic_vswitch_get_layer2(const char *name, int *layer2)
{
char *cmd, *vmcp;
char **argv = NULL;
int argc = 0;
bool result = false;
cmd = misc_asprintf("%s query vswitch %s 2>/dev/null", PATH_VMCP, name);
vmcp = misc_read_cmd_output(cmd, 0, 1);
if (!vmcp)
goto out;
line_split(vmcp, &argc, &argv);
if (argc < 12)
goto out;
if (strcmp(argv[11], "ETHERNET") == 0)
*layer2 = 1;
else if (strcmp(argv[11], "NONROUTER") == 0 ||
strcmp(argv[11], "PRIROUTER") == 0 ||
strcmp(argv[11], "IP") == 0)
*layer2 = 0;
else
goto out;
result = true;
out:
line_free(argc, argv);
free(vmcp);
free(cmd);
return result;
}
/* Determine layer2 setting required for the specified guest lan. */
bool nic_lan_get_layer2(const char *name, const char *owner, int *layer2)
{
char *cmd, *vmcp;
char **argv = NULL;
int argc = 0;
bool result = false;
if (strcmp(name, "*") == 0)
return false;
cmd = misc_asprintf("%s query lan %s owner %s 2>/dev/null", PATH_VMCP,
name, owner);
vmcp = misc_read_cmd_output(cmd, 0, 1);
if (!vmcp)
goto out;
line_split(vmcp, &argc, &argv);
if (argc < 12)
goto out;
if (strcmp(argv[11], "ETHERNET") == 0)
*layer2 = 1;
else if (strcmp(argv[11], "IP") == 0)
*layer2 = 0;
else
goto out;
result = true;
out:
line_free(argc, argv);
free(vmcp);
free(cmd);
return result;
}