Module Name: src
Committed By: thorpej
Date: Thu Feb 4 23:29:16 UTC 2021
Modified Files:
src/sys/kern: subr_device.c
src/sys/sys: device.h
Log Message:
Add device_attached_to_iattr(), which return true if the device
attached to the specified interface attribute.
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/sys/kern/subr_device.c
cvs rdiff -u -r1.164 -r1.165 src/sys/sys/device.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/kern/subr_device.c
diff -u src/sys/kern/subr_device.c:1.4 src/sys/kern/subr_device.c:1.5
--- src/sys/kern/subr_device.c:1.4 Thu Jan 28 15:53:46 2021
+++ src/sys/kern/subr_device.c Thu Feb 4 23:29:16 2021
@@ -1,7 +1,7 @@
-/* $NetBSD: subr_device.c,v 1.4 2021/01/28 15:53:46 thorpej Exp $ */
+/* $NetBSD: subr_device.c,v 1.5 2021/02/04 23:29:16 thorpej Exp $ */
/*
- * Copyright (c) 2006 The NetBSD Foundation, Inc.
+ * Copyright (c) 2006, 2021 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: subr_device.c,v 1.4 2021/01/28 15:53:46 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: subr_device.c,v 1.5 2021/02/04 23:29:16 thorpej Exp $");
#include <sys/param.h>
#include <sys/device.h>
@@ -39,6 +39,7 @@ device_t root_device;
/*
* Accessor functions for the device_t type.
*/
+
devclass_t
device_class(device_t dev)
{
@@ -182,3 +183,22 @@ device_is_a(device_t dev, const char *dn
return strcmp(dev->dv_cfdriver->cd_name, dname) == 0;
}
+
+/*
+ * device_attached_to_iattr:
+ *
+ * Returns true if the device attached to the specified interface
+ * attribute.
+ */
+bool
+device_attached_to_iattr(device_t dev, const char *iattr)
+{
+ cfdata_t cfdata = device_cfdata(dev);
+ const struct cfparent *pspec;
+
+ if (cfdata == NULL || (pspec = cfdata->cf_pspec) == NULL) {
+ return false;
+ }
+
+ return strcmp(pspec->cfp_iattr, iattr) == 0;
+}
Index: src/sys/sys/device.h
diff -u src/sys/sys/device.h:1.164 src/sys/sys/device.h:1.165
--- src/sys/sys/device.h:1.164 Wed Jan 27 04:54:08 2021
+++ src/sys/sys/device.h Thu Feb 4 23:29:16 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: device.h,v 1.164 2021/01/27 04:54:08 thorpej Exp $ */
+/* $NetBSD: device.h,v 1.165 2021/02/04 23:29:16 thorpej Exp $ */
/*
* Copyright (c) 1996, 2000 Christopher G. Demetriou
@@ -544,6 +544,7 @@ void device_active_deregister(device_t,
void (*)(device_t, devactive_t));
bool device_is_a(device_t, const char *);
+bool device_attached_to_iattr(device_t, const char *);
device_t device_find_by_xname(const char *);
device_t device_find_by_driver_unit(const char *, int);
