feat: asynchronized SATA IO

[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 81716002bbc166be8881a590f7078f3bf1c9bbb3..c456df41bc6c08b960d66667a091e7ee54e0e859 100644 (file)
--- a/lunaix-os/includes/lunaix/device.h
+++ b/lunaix-os/includes/lunaix/device.h
@@ -7,6 +7,8 @@
 #include <lunaix/ds/llist.h>
 #include <lunaix/types.h>
 
 #include <lunaix/ds/llist.h>
 #include <lunaix/types.h>
 

+#define DEV_STRUCT_MAGIC 0x5645444c
+

 #define DEV_MSKIF 0x00000003
 
 #define DEV_IFVOL 0x0 // volumetric (block) device
 #define DEV_MSKIF 0x00000003
 
 #define DEV_IFVOL 0x0 // volumetric (block) device


@@ -17,6 +19,7 @@ typedef unsigned int dev_t;
 
 struct device
 {
 
 struct device
 {

+    uint32_t magic;

     struct llist_header siblings;
     struct llist_header children;
     struct device* parent;
     struct llist_header siblings;
     struct llist_header children;
     struct device* parent;


@@ -27,6 +30,7 @@ struct device
     void* underlay;
     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);
     void* underlay;
     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 (*exec_cmd)(struct device* dev, uint32_t req, va_list args);

 };
 
 struct device*
 };
 
 struct device*


@@ -52,12 +56,12 @@ struct device*
 device_getbyid(struct llist_header* devlist, dev_t id);
 
 struct device*
 device_getbyid(struct llist_header* devlist, dev_t id);
 
 struct device*

-device_getbyhname(struct llist_header* devlist, struct hstr* name);
+device_getbyhname(struct device* root_dev, struct hstr* name);

 
 struct device*
 
 struct device*

-device_getbyname(struct llist_header* devlist, const char* name, size_t len);
+device_getbyname(struct device* root_dev, const char* name, size_t len);

 
 struct device*
 
 struct device*

-device_getbyoffset(struct llist_header* devlist, int pos);
+device_getbyoffset(struct device* root_dev, int pos);

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