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--- kqemu/kmod.c 2005-02-10 23:09:09.000000000 +0100
+++ kqemu/kmod-sysfs.c 2005-02-22 19:46:44.000000000 +0100
@@ -15,7 +15,10 @@
#include <asm/processor.h>
#include <asm/uaccess.h>
#include <asm/io.h>
-
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0)
+#include <linux/device.h>
+#endif
+#include <linux/devfs_fs_kernel.h>
#include "kqemu.h"
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19)
@@ -34,6 +37,10 @@
int page_alloc_count;
#endif
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0)
+static struct class_simple *kqemu_class;
+#endif
+
/* lock the page at virtual address 'user_addr' and return its
page index. Return -1 if error */
unsigned long CDECL kqemu_lock_user_page(unsigned long user_addr)
@@ -296,17 +303,51 @@
max_locked_pages = 32768;
ret = register_chrdev(KQEMU_MAJOR, "kqemu", &kqemu_fops);
+
if (ret < 0) {
printk("kqemu: could not get major %d\n", KQEMU_MAJOR);
return ret;
}
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0)
+ kqemu_class = class_simple_create(THIS_MODULE, "kqemu");
+
+ if (IS_ERR(kqemu_class)) {
+ unregister_chrdev(KQEMU_MAJOR, "kqemu");
+ ret = PTR_ERR(kqemu_class);
+ goto out_chrdev;
+ }
+
+ class_simple_device_add(kqemu_class, MKDEV(KQEMU_MAJOR, 0), NULL, "kqemu");
+#endif
+
+ ret = devfs_mk_cdev(MKDEV(KQEMU_MAJOR, 0),
+ S_IFCHR|S_IRUSR|S_IWUSR, "kqemu");
+ if (ret)
+ goto out_class;
+
printk("KQEMU installed, max_instances=%d max_locked_mem=%dkB.\n",
KQEMU_MAX_INSTANCES,
max_locked_pages * 4);
return 0;
+
+out_class:
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0)
+ class_simple_device_remove(MKDEV(KQEMU_MAJOR,0));
+ class_simple_destroy(kqemu_class);
+#endif
+out_chrdev:
+ unregister_chrdev(KQEMU_MAJOR, "kqemu");
+
+ return ret;
}
void cleanup_module(void)
{
unregister_chrdev(KQEMU_MAJOR, "kqemu");
+ devfs_remove("kqemu");
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0)
+ class_simple_device_remove(MKDEV(KQEMU_MAJOR, 0));
+ class_simple_destroy(kqemu_class);
+#endif
}
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