Squash commits for public release

kernel/include/fs/devfs/devfs.h

@@ -0,0 +1,61 @@
+#ifndef _KERNEL_FS_DEVFS_DEVFS_H
+#define _KERNEL_FS_DEVFS_DEVFS_H
+
+#include <fs/vfs.h>
+#include <libkern/c_attrs.h>
+#include <libkern/kassert.h>
+#include <libkern/types.h>
+
+#define DEVFS_INODE_LEN (sizeof(struct devfs_inode))
+struct PACKED devfs_inode {
+    mode_t mode;
+    uint16_t uid;
+    uint32_t size;
+    uint32_t atime;
+    uint32_t ctime;
+    uint32_t mtime;
+    uint32_t dtime;
+    uint16_t gid;
+    uint16_t links_count;
+    uint32_t blocks;
+    uint32_t flags;
+    uint32_t osd1;
+
+    /* NOTE: Instead of blocks here, we store devfs required things */
+    uint32_t index;
+    uint32_t dev_id;
+    struct file_ops* handlers;
+    struct devfs_inode* parent;
+    struct devfs_inode* prev;
+    struct devfs_inode* next;
+    struct devfs_inode* first;
+    struct devfs_inode* last;
+#ifdef BITS32
+    char* name;
+    uint8_t padding[24];
+#else // BITS64
+    uint8_t padding[4];
+#endif
+    /* Block hack ends here */
+
+    uint32_t generation;
+    uint32_t file_acl;
+    uint32_t dir_acl;
+    uint32_t faddr;
+#ifdef BITS32
+    uint32_t osd2[3];
+#else // BITS64
+    char* name;
+    uint32_t osd2[1];
+#endif
+};
+typedef struct devfs_inode devfs_inode_t;
+STATIC_ASSERT(DEVFS_INODE_LEN == INODE_LEN, devfs_inode);
+
+void devfs_install();
+int devfs_mount();
+
+devfs_inode_t* devfs_mkdir(const path_t* vfspath, const char* name, size_t len);
+devfs_inode_t* devfs_register(const path_t* vfspath, dev_t devid, const char* name, size_t len, mode_t mode, const file_ops_t* handlers);
+
+#endif /* _KERNEL_FS_DEVFS_DEVFS_H */