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Diffstat (limited to 'sys/dev/dmi/dmi_board.c')
-rw-r--r--sys/dev/dmi/dmi_board.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/sys/dev/dmi/dmi_board.c b/sys/dev/dmi/dmi_board.c
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--- /dev/null
+++ b/sys/dev/dmi/dmi_board.c
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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
+};