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/*
* Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Hyra nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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.
*/
#include <sys/types.h>
#include <sys/errno.h>
#include <sys/dmi.h>
#include <dev/dmi/dmi.h>
#include <dev/dmi/dmivar.h>
#include <fs/ctlfs.h>
#include <string.h>
extern struct ctlops ctl_cpu_ident;
static int
board_ctl_read(struct ctlfs_dev *cdp, struct sio_txn *sio)
{
struct dmi_board board;
const char *cpu_manuf, *prodver;
const char *product, *vendor;
const char *cpu_ver, *p;
size_t len;
if (cdp == NULL || sio == NULL) {
return -EINVAL;
}
/* Cannot copy zero bytes */
if (sio->len == 0) {
return -EINVAL;
}
/* Check offset and clamp length */
if (sio->offset >= sizeof(board)) {
return 0;
}
if ((sio->offset + sio->len) > sizeof(board)) {
sio->len = sizeof(board);
}
memset(&board, 0, sizeof(board));
cpu_ver = dmi_cpu_version();
if (cpu_ver != NULL) {
len = strlen(cpu_ver);
memcpy(board.cpu_version, cpu_ver, len);
}
prodver = dmi_prodver();
if (prodver != NULL) {
len = strlen(prodver);
memcpy(board.version, prodver, len);
}
cpu_manuf = dmi_cpu_manufact();
if (cpu_manuf != NULL) {
len = strlen(cpu_manuf);
memcpy(board.cpu_manuf, cpu_manuf, len);
}
product = dmi_product();
if (product != NULL) {
len = strlen(product);
memcpy(board.product, product, len);
}
vendor = dmi_vendor();
if (vendor != NULL) {
len = strlen(vendor);
memcpy(board.vendor, vendor, len);
}
p = (char *)&board;
memcpy(sio->buf, &p[sio->offset], sio->len);
return sio->len;
}
struct ctlops g_ctl_board_ident = {
.read = board_ctl_read,
.write = NULL
};
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