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/*
* Generic functionality for coverage analysis.
*
* Copyright (C) 2017 Citrix Systems R&D
*
* This program is free software; you can redistribute it and/or
* modify it under the terms and conditions of the GNU General Public
* License, version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; If not, see <http://www.gnu.org/licenses/>.
*/
#include <xen/errno.h>
#include <xen/guest_access.h>
#include <xen/types.h>
#include <xen/coverage.h>
#include <public/sysctl.h>
#include "coverage.h"
int sysctl_cov_op(struct xen_sysctl_coverage_op *op)
{
int ret;
switch ( op->cmd )
{
case XEN_SYSCTL_COVERAGE_get_size:
op->size = cov_ops.get_size();
ret = 0;
break;
case XEN_SYSCTL_COVERAGE_read:
{
XEN_GUEST_HANDLE_PARAM(char) buf;
uint32_t size = op->size;
buf = guest_handle_cast(op->buffer, char);
ret = cov_ops.dump(buf, &size);
op->size = size;
break;
}
case XEN_SYSCTL_COVERAGE_reset:
cov_ops.reset_counters();
ret = 0;
break;
default:
ret = -EOPNOTSUPP;
break;
}
return ret;
}
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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