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/*
* ipmi_utils.c
*
* MontaVista IPMI generic utilities
*
* Author: MontaVista Software, Inc.
* Corey Minyard <minyard@mvista.com>
* source@mvista.com
*
* Copyright 2002,2003 MontaVista Software Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <errno.h>
#include <OpenIPMI/internal/ipmi_int.h>
unsigned int ipmi_get_uint32(const unsigned char *data)
{
return (data[0]
| (data[1] << 8)
| (data[2] << 16)
| (data[3] << 24));
}
/* Extract a 16-bit integer from the data, IPMI (little-endian) style. */
unsigned int ipmi_get_uint16(const unsigned char *data)
{
return (data[0]
| (data[1] << 8));
}
/* Add a 32-bit integer to the data, IPMI (little-endian) style. */
void ipmi_set_uint32(unsigned char *data, int val)
{
data[0] = val & 0xff;
data[1] = (val >> 8) & 0xff;
data[2] = (val >> 16) & 0xff;
data[3] = (val >> 24) & 0xff;
}
/* Add a 16-bit integer to the data, IPMI (little-endian) style. */
void ipmi_set_uint16(unsigned char *data, int val)
{
data[0] = val & 0xff;
data[1] = (val >> 8) & 0xff;
}
int
ipmi_addr_equal(const ipmi_addr_t *addr1,
int addr1_len,
const ipmi_addr_t *addr2,
int addr2_len)
{
if (addr1_len != addr2_len)
return 0;
if (addr1->addr_type != addr2->addr_type)
return 0;
if (addr1->channel != addr2->channel)
return 0;
switch (addr1->addr_type)
{
case IPMI_IPMB_ADDR_TYPE:
{
ipmi_ipmb_addr_t *iaddr1 = (ipmi_ipmb_addr_t *) addr1;
ipmi_ipmb_addr_t *iaddr2 = (ipmi_ipmb_addr_t *) addr2;
return ((iaddr1->slave_addr == iaddr2->slave_addr)
&& (iaddr1->lun == iaddr2->lun));
}
case IPMI_SYSTEM_INTERFACE_ADDR_TYPE:
{
ipmi_system_interface_addr_t *iaddr1
= (ipmi_system_interface_addr_t *) addr1;
ipmi_system_interface_addr_t *iaddr2
= (ipmi_system_interface_addr_t *) addr2;
return (iaddr1->lun == iaddr2->lun);
}
case IPMI_LAN_ADDR_TYPE:
{
struct ipmi_lan_addr *lan_addr1
= (struct ipmi_lan_addr *) addr1;
struct ipmi_lan_addr *lan_addr2
= (struct ipmi_lan_addr *) addr2;
return ((lan_addr1->remote_SWID == lan_addr2->remote_SWID)
&& (lan_addr1->local_SWID == lan_addr2->local_SWID)
&& (lan_addr1->privilege == lan_addr2->privilege)
&& (lan_addr1->session_handle
== lan_addr2->session_handle)
&& (lan_addr1->lun == lan_addr2->lun));
}
default:
return 0;
}
}
int
ipmi_addr_equal_nolun(const ipmi_addr_t *addr1,
int addr1_len,
const ipmi_addr_t *addr2,
int addr2_len)
{
if (addr1_len != addr2_len)
return 0;
if (addr1->addr_type != addr2->addr_type)
return 0;
if (addr1->channel != addr2->channel)
return 0;
/* Note that we do *not* include the LUN in address comparisons. */
switch (addr1->addr_type)
{
case IPMI_IPMB_ADDR_TYPE:
{
ipmi_ipmb_addr_t *iaddr1 = (ipmi_ipmb_addr_t *) addr1;
ipmi_ipmb_addr_t *iaddr2 = (ipmi_ipmb_addr_t *) addr2;
return (iaddr1->slave_addr == iaddr2->slave_addr);
}
case IPMI_SYSTEM_INTERFACE_ADDR_TYPE:
return 1;
case IPMI_LAN_ADDR_TYPE:
{
struct ipmi_lan_addr *lan_addr1
= (struct ipmi_lan_addr *) addr1;
struct ipmi_lan_addr *lan_addr2
= (struct ipmi_lan_addr *) addr2;
return ((lan_addr1->remote_SWID == lan_addr2->remote_SWID)
&& (lan_addr1->local_SWID == lan_addr2->local_SWID)
&& (lan_addr1->privilege == lan_addr2->privilege)
&& (lan_addr1->session_handle
== lan_addr2->session_handle));
}
default:
return 0;
}
}
unsigned int
ipmi_addr_get_lun(const ipmi_addr_t *addr)
{
switch (addr->addr_type)
{
case IPMI_IPMB_ADDR_TYPE:
{
ipmi_ipmb_addr_t *iaddr = (ipmi_ipmb_addr_t *) addr;
return iaddr->lun;
}
case IPMI_SYSTEM_INTERFACE_ADDR_TYPE:
{
ipmi_system_interface_addr_t *iaddr
= (ipmi_system_interface_addr_t *) addr;
return iaddr->lun;
}
case IPMI_LAN_ADDR_TYPE:
{
struct ipmi_lan_addr *iaddr
= (struct ipmi_lan_addr *) addr;
return iaddr->lun;
}
default:
return 0;
}
}
int
ipmi_addr_set_lun(ipmi_addr_t *addr, unsigned int lun)
{
if (lun >= 4)
return EINVAL;
switch (addr->addr_type)
{
case IPMI_IPMB_ADDR_TYPE:
{
ipmi_ipmb_addr_t *iaddr = (ipmi_ipmb_addr_t *) addr;
iaddr->lun = lun;
break;
}
case IPMI_SYSTEM_INTERFACE_ADDR_TYPE:
{
ipmi_system_interface_addr_t *iaddr
= (ipmi_system_interface_addr_t *) addr;
iaddr->lun = lun;
break;
}
case IPMI_LAN_ADDR_TYPE:
{
struct ipmi_lan_addr *iaddr
= (struct ipmi_lan_addr *) addr;
iaddr->lun = lun;
break;
}
default:
return EINVAL;
}
return 0;
}
/* Returns 0 if the address doesn't have a slave address. */
unsigned int
ipmi_addr_get_slave_addr(const ipmi_addr_t *addr)
{
switch (addr->addr_type)
{
case IPMI_IPMB_ADDR_TYPE:
{
ipmi_ipmb_addr_t *iaddr = (ipmi_ipmb_addr_t *) addr;
return iaddr->slave_addr;
}
default:
return 0;
}
}
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