feat: better rtc framework which aims to remove single rtc restrictions.

[lunaix-os.git] / lunaix-os / includes / lunaix / device.h

diff --git a/lunaix-os/includes/lunaix/device.h b/lunaix-os/includes/lunaix/device.h
index 14558a7ce840ccb3458ef58355ba056f427ea42b..2634d81dcd076b22f752c1a981decbbb76c35034 100644 (file)
--- a/lunaix-os/includes/lunaix/device.h
+++ b/lunaix-os/includes/lunaix/device.h
@@ -4,22 +4,62 @@
 #define DEVICE_NAME_SIZE 32
 
 #include <lunaix/ds/hstr.h>
 #define DEVICE_NAME_SIZE 32
 
 #include <lunaix/ds/hstr.h>

+#include <lunaix/ds/ldga.h>

 #include <lunaix/ds/llist.h>
 #include <lunaix/ds/llist.h>

+#include <lunaix/ds/semaphore.h>
+#include <lunaix/types.h>
+
+/**
+ * @brief Export pseudo device
+ *
+ */
+#define EXPORT_PSEUDODEV(id, init_fn)                                          \
+    export_ldga_el(pseudo_dev, id, ptr_t, init_fn)
+
+#define DEV_STRUCT_MAGIC 0x5645444c
+
+#define DEV_MSKIF 0x00000003
+
+#define DEV_IFVOL 0x0 // volumetric (block) device
+#define DEV_IFSEQ 0x1 // sequential (character) device
+#define DEV_IFCAT 0x2 // a device category (as device groupping)
+#define DEV_IFSYS 0x3 // a system device
+
+typedef unsigned int dev_t;

 
 struct device
 {
 
 struct device
 {

-    struct llist_header dev_list;
+    u32_t magic;
+    struct llist_header siblings;
+    struct llist_header children;

     struct device* parent;
     struct device* parent;

+    // TODO investigate event polling
+

     struct hstr name;
     struct hstr name;

+    dev_t dev_id;
+    int dev_type;

     char name_val[DEVICE_NAME_SIZE];
     void* underlay;
     char name_val[DEVICE_NAME_SIZE];
     void* underlay;

-    void* fs_node;
-    int (*read)(struct device* dev, void* buf, size_t offset, size_t len);
-    int (*write)(struct device* dev, void* buf, size_t offset, size_t len);
+
+    struct
+    {
+        int (*read)(struct device* dev, void* buf, size_t offset, size_t len);
+        int (*write)(struct device* dev, void* buf, size_t offset, size_t len);
+        int (*read_page)(struct device* dev, void* buf, size_t offset);
+        int (*write_page)(struct device* dev, void* buf, size_t offset);
+        int (*exec_cmd)(struct device* dev, u32_t req, va_list args);
+    } ops;

 };
 
 };
 

-void
-device_init();
+struct device*
+device_add(struct device* parent,
+           void* underlay,
+           char* name_fmt,
+           u32_t type,
+           va_list args);
+
+struct device*
+device_addsys(struct device* parent, void* underlay, char* name_fmt, ...);

 
 struct device*
 device_addseq(struct device* parent, void* underlay, char* name_fmt, ...);
 
 struct device*
 device_addseq(struct device* parent, void* underlay, char* name_fmt, ...);


@@ -27,7 +67,25 @@ device_addseq(struct device* parent, void* underlay, char* name_fmt, ...);
 struct device*
 device_addvol(struct device* parent, void* underlay, char* name_fmt, ...);
 
 struct device*
 device_addvol(struct device* parent, void* underlay, char* name_fmt, ...);
 

+struct device*
+device_addcat(struct device* parent, char* name_fmt, ...);
+

 void
 device_remove(struct device* dev);
 
 void
 device_remove(struct device* dev);
 

+struct device*
+device_getbyid(struct llist_header* devlist, dev_t id);
+
+struct device*
+device_getbyhname(struct device* root_dev, struct hstr* name);
+
+struct device*
+device_getbyname(struct device* root_dev, const char* name, size_t len);
+
+struct device*
+device_getbyoffset(struct device* root_dev, int pos);
+
+void
+device_install_pseudo();
+

 #endif /* __LUNAIX_DEVICE_H */
 #endif /* __LUNAIX_DEVICE_H */