X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/7b8a1bcad75628f9add4590db2bb9b8e418ee8eb..0765e7c133eb393d8cd0292af444543c2edf8ccc:/lunaix-os/kernel/device/capability.c

diff --git a/lunaix-os/kernel/device/capability.c b/lunaix-os/kernel/device/capability.c
new file mode 100644
index 0000000..b31f914
--- /dev/null
+++ b/lunaix-os/kernel/device/capability.c
@@ -0,0 +1,32 @@
+#include <lunaix/device.h>
+#include <lunaix/mm/valloc.h>
+
+struct capability_meta*
+alloc_capability(int cap, unsigned int size) 
+{
+    struct capability_meta* cm = (struct capability_meta*)vzalloc(size);
+
+    cm->cap_type = cap;
+
+    return cm;
+}
+
+void
+device_grant_capability(struct device* dev, struct capability_meta* cap)
+{
+    llist_append(&dev->capabilities, &cap->caps);
+}
+
+struct capability_meta*
+device_get_capability(struct device* dev, unsigned int cap_type)
+{
+    struct capability_meta *pos, *n;
+
+    llist_for_each(pos, n, &dev->capabilities, caps) {
+        if (pos->cap_type == cap_type){
+            return pos;
+        }
+    }
+
+    return NULL;
+}
\ No newline at end of file