feat: (devfs) a new filesystem for device exposure.

[lunaix-os.git] / lunaix-os / kernel / device.c

diff --git a/lunaix-os/kernel/device.c b/lunaix-os/kernel/device.c
deleted file mode 100644 (file)
index 017f3b3..0000000
--- a/lunaix-os/kernel/device.c
+++ /dev/null
@@ -1,110 +0,0 @@
-#include <klibc/stdio.h>
-#include <lunaix/device.h>
-#include <lunaix/fs/twifs.h>
-#include <lunaix/mm/valloc.h>
-
-struct llist_header dev_list;
-
-static struct twifs_node* dev_root;
-
-int
-__dev_read(struct v_inode* inode, void* buffer, size_t len, size_t fpos);
-
-int
-__dev_write(struct v_inode* inode, void* buffer, size_t len, size_t fpos);
-
-void
-device_init()
-{
-    dev_root = twifs_toplevel_node("dev", 3, 0);
-
-    llist_init_head(&dev_list);
-}
-
-struct device*
-__device_add(struct device* parent,
-             void* underlay,
-             char* name_fmt,
-             uint32_t type,
-             va_list args)
-{
-    struct device* dev = vzalloc(sizeof(struct device));
-
-    size_t strlen =
-      __sprintf_internal(dev->name_val, name_fmt, DEVICE_NAME_SIZE, args);
-
-    dev->name = HSTR(dev->name_val, strlen);
-    dev->parent = parent;
-    dev->underlay = underlay;
-
-    hstr_rehash(&dev->name, HSTR_FULL_HASH);
-    llist_append(&dev_list, &dev->dev_list);
-
-    struct twifs_node* dev_node =
-      twifs_file_node(dev_root, dev->name_val, strlen, type);
-    dev_node->data = dev;
-    dev_node->ops.read = __dev_read;
-    dev_node->ops.write = __dev_write;
-
-    dev->fs_node = dev_node;
-
-    return dev;
-}
-
-struct device*
-device_addseq(struct device* parent, void* underlay, char* name_fmt, ...)
-{
-    va_list args;
-    va_start(args, name_fmt);
-
-    struct device* dev =
-      __device_add(parent, underlay, name_fmt, VFS_IFSEQDEV, args);
-
-    va_end(args);
-    return dev;
-}
-
-struct device*
-device_addvol(struct device* parent, void* underlay, char* name_fmt, ...)
-{
-    va_list args;
-    va_start(args, name_fmt);
-
-    struct device* dev =
-      __device_add(parent, underlay, name_fmt, VFS_IFVOLDEV, args);
-
-    va_end(args);
-    return dev;
-}
-
-int
-__dev_read(struct v_inode* inode, void* buffer, size_t len, size_t fpos)
-{
-    struct twifs_node* dev_node = (struct twifs_node*)inode->data;
-    struct device* dev = (struct device*)dev_node->data;
-
-    if (!dev->read) {
-        return ENOTSUP;
-    }
-    return dev->read(dev, buffer, fpos, len);
-}
-
-int
-__dev_write(struct v_inode* inode, void* buffer, size_t len, size_t fpos)
-{
-    struct twifs_node* dev_node = (struct twifs_node*)inode->data;
-    struct device* dev = (struct device*)dev_node->data;
-
-    if (!dev->write) {
-        return ENOTSUP;
-    }
-    return dev->write(dev, buffer, fpos, len);
-}
-
-void
-device_remove(struct device* dev)
-{
-    llist_delete(&dev->dev_list);
-    twifs_rm_node((struct twifs_node*)dev->fs_node);
-    vfree(dev);
-}
\ No newline at end of file