aboutsummaryrefslogtreecommitdiffstats
path: root/mcp/reclass/nodes/cfg01.mcp-ovn-ha.local.yml
blob: 00fc19eb419dbcb411aaff01dbccef5e1154759d (plain) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18

##############################################################################
# Copyright (c) 2018 Mirantis Inc., Enea AB and others.
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
---
classes:
  - cluster.mcp-ovn-ha.infra.config
parameters:
  _param:
    linux_system_codename: xenial
    reclass_data_revision: master
  linux:
    system:
      name: cfg01
      domain: mcp-ovn-ha.local
ff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */ } 
/*
 * IOCTL interface for SCLP
 *
 * Copyright IBM Corp. 2012
 *
 * Author: Michael Holzheu <holzheu@linux.vnet.ibm.com>
 */

#include <linux/compat.h>
#include <linux/uaccess.h>
#include <linux/miscdevice.h>
#include <linux/gfp.h>
#include <linux/module.h>
#include <linux/ioctl.h>
#include <linux/fs.h>
#include <asm/compat.h>
#include <asm/sclp_ctl.h>
#include <asm/sclp.h>

#include "sclp.h"

/*
 * Supported command words
 */
static unsigned int sclp_ctl_sccb_wlist[] = {
	0x00400002,
	0x00410002,
};

/*
 * Check if command word is supported
 */
static int sclp_ctl_cmdw_supported(unsigned int cmdw)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(sclp_ctl_sccb_wlist); i++) {
		if (cmdw == sclp_ctl_sccb_wlist[i])
			return 1;
	}
	return 0;
}

static void __user *u64_to_uptr(u64 value)
{
	if (is_compat_task())
		return compat_ptr(value);
	else
		return (void __user *)(unsigned long)value;
}

/*
 * Start SCLP request
 */
static int sclp_ctl_ioctl_sccb(void __user *user_area)
{
	struct sclp_ctl_sccb ctl_sccb;
	struct sccb_header *sccb;
	int rc;

	if (copy_from_user(&ctl_sccb, user_area, sizeof(ctl_sccb)))
		return -EFAULT;
	if (!sclp_ctl_cmdw_supported(ctl_sccb.cmdw))
		return -EOPNOTSUPP;
	sccb = (void *) get_zeroed_page(GFP_KERNEL | GFP_DMA);
	if (!sccb)
		return -ENOMEM;
	if (copy_from_user(sccb, u64_to_uptr(ctl_sccb.sccb), sizeof(*sccb))) {
		rc = -EFAULT;
		goto out_free;
	}
	if (sccb->length > PAGE_SIZE || sccb->length < 8)
		return -EINVAL;
	if (copy_from_user(sccb, u64_to_uptr(ctl_sccb.sccb), sccb->length)) {
		rc = -EFAULT;
		goto out_free;
	}
	rc = sclp_sync_request(ctl_sccb.cmdw, sccb);
	if (rc)
		goto out_free;
	if (copy_to_user(u64_to_uptr(ctl_sccb.sccb), sccb, sccb->length))
		rc = -EFAULT;
out_free:
	free_page((unsigned long) sccb);
	return rc;
}

/*
 * SCLP SCCB ioctl function
 */
static long sclp_ctl_ioctl(struct file *filp, unsigned int cmd,
			   unsigned long arg)
{
	void __user *argp;

	if (is_compat_task())
		argp = compat_ptr(arg);
	else
		argp = (void __user *) arg;
	switch (cmd) {
	case SCLP_CTL_SCCB:
		return sclp_ctl_ioctl_sccb(argp);
	default: /* unknown ioctl number */
		return -ENOTTY;
	}
}

/*
 * File operations
 */
static const struct file_operations sclp_ctl_fops = {
	.owner = THIS_MODULE,
	.open = nonseekable_open,
	.unlocked_ioctl = sclp_ctl_ioctl,
	.compat_ioctl = sclp_ctl_ioctl,
	.llseek = no_llseek,
};

/*
 * Misc device definition
 */
static struct miscdevice sclp_ctl_device = {
	.minor = MISC_DYNAMIC_MINOR,
	.name = "sclp",
	.fops = &sclp_ctl_fops,
};

/*
 * Register sclp_ctl misc device
 */
static int __init sclp_ctl_init(void)
{
	return misc_register(&sclp_ctl_device);
}
module_init(sclp_ctl_init);

/*
 * Deregister sclp_ctl misc device
 */
static void __exit sclp_ctl_exit(void)
{
	misc_deregister(&sclp_ctl_device);
}
module_exit(sclp_ctl_exit);