X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Finclude%2Fvfs.h;h=91771c8a6ebbe2bc0c477acbb9c4e3f03bc8114a;hb=c4af47e284ab94dc5e365b02f7d91e43f7880280;hp=248a1ac901d65d60c3fa5e2d345a026b86c5fd72;hpb=59b806f4193cbda2da7aa6a1c004cd19de5e33bd;p=tpg%2Facess2.git diff --git a/Kernel/include/vfs.h b/Kernel/include/vfs.h index 248a1ac9..91771c8a 100644 --- a/Kernel/include/vfs.h +++ b/Kernel/include/vfs.h @@ -94,7 +94,7 @@ typedef struct sVFS_Node * corresponds to. * \{ */ - Uint64 Inode; //!< Inode ID (Essentially another ImplInt) + Uint64 Inode; //!< Inode ID - Must identify the node uniquely if tVFS_Driver.GetNodeFromINode is non-NULL Uint ImplInt; //!< Implementation Usable Integer void *ImplPtr; //!< Implementation Usable Pointer /** @@ -155,6 +155,7 @@ typedef struct sVFS_Node /** * \name VFS_Select() fields + * \note Used by the VFS internals, drivers should use VFS_Mark* * \{ */ int DataAvaliable; @@ -166,6 +167,15 @@ typedef struct sVFS_Node /** * \} */ + + /** + * \name VFS_MMap() fields + * \{ + */ + void *MMapInfo; + /** + * \} + */ /** * \name Common Functions @@ -303,16 +313,30 @@ typedef struct sVFS_Node */ typedef struct sVFS_Driver { - //! \brief Unique Identifier for this filesystem type + /** + * \brief Unique Identifier for this filesystem type + */ const char *Name; - //! \brief Flags applying to this driver + /** + * \brief Flags applying to this driver + */ Uint Flags; - //! \brief Callback to mount a device + /** + * \brief Callback to mount a device + */ tVFS_Node *(*InitDevice)(const char *Device, const char **Options); - //! \brief Callback to unmount a device + /** + * \brief Callback to unmount a device + */ void (*Unmount)(tVFS_Node *Node); - //! \brief Used internally (next driver in the chain) + /** + * \brief Retrieve a VFS node from an inode + */ + tVFS_Node *(*GetNodeFromINode)(tVFS_Node *RootNode, Uint64 InodeValue); + /** + * \brief Used internally (next driver in the chain) + */ struct sVFS_Driver *Next; } tVFS_Driver; @@ -346,7 +370,6 @@ extern tVFS_ACL gVFS_ACL_EveryoneRO; //!< Everyone Read only */ extern int VFS_AddDriver(tVFS_Driver *Info); /** - * \fn tVFS_Driver *VFS_GetFSByName(char *Name) * \brief Get the information structure of a driver given its name * \param Name Name of filesystem driver to find */ @@ -400,7 +423,13 @@ extern int VFS_SelectNode(tVFS_Node *Node, int Type, tTime *Timeout, const char * \brief Change the full flag on a node */ extern int VFS_MarkFull(tVFS_Node *Node, BOOL IsBufferFull); +/** + * \brief Alter the space avaliable flag on a node + */ extern int VFS_MarkAvaliable(tVFS_Node *Node, BOOL IsDataAvaliable); +/** + * \brief Alter the error flags on a node + */ extern int VFS_MarkError(tVFS_Node *Node, BOOL IsErrorState); // --- Node Cache --