file mapping stub

src/include/kernel/devman.h

@@ -18,6 +18,7 @@ typedef struct{
 	int (*isseekable)(int minor, size_t* seekmax);
 	int (*ioctl)(int minor, unsigned long request, void* arg, int* result);
 	int (*poll)(int minor, pollfd* fd);
+	int (*map)(int minor, void* addr, size_t len, size_t offset, size_t mmuflags);
 } devcalls;
 
 int devman_read(int *error, int dev, void* buff, size_t count, size_t offset);
@@ -27,6 +28,7 @@ int devman_isatty(int dev);
 int devman_isseekable(int dev, size_t* seekmax);
 int devman_ioctl(int dev, unsigned long request, void* arg, int* result);
 int devman_poll(int dev, pollfd* fd);
+int devman_map(int dev, void* addr, size_t len, size_t offset, size_t mmuflags);
 void devman_init();
 
 #endif

src/include/kernel/vfs.h

@@ -90,6 +90,7 @@ int vfs_poll(vnode_t* node, pollfd* fd);
 int vfs_chmod(vnode_t* node, mode_t mode);
 int vfs_symlink(dirnode_t* ref, char* path, char* target, mode_t mode);
 int vfs_link(dirnode_t* ref, vnode_t* link, char* path);
+int vfs_map(vnode_t* node, void* addr, size_t len, size_t offset, size_t mmuflags);
 
 void vfs_init();
 dirnode_t* vfs_root();

src/include/kernel/vmm.h

@@ -1,6 +1,7 @@
 #ifndef _VMM_H_INCLUDE
 #define _VMM_H_INCLUDE
 
+#include <kernel/vfs.h>
 #include <arch/mmu.h>
 #include <stdbool.h>
 #include <stddef.h>
@@ -64,6 +65,7 @@ void*		vmm_alloc(size_t pagec, size_t mmuflags);
 bool		vmm_setfree(void* addr, size_t pagec);
 bool		vmm_allocnowat(void* addr, size_t mmuflags, size_t size);
 void*		vmm_allocfrom(void* addr, size_t mmuflags, size_t size);
+int		vmm_mapfile(vnode_t* node, void* addr, size_t len, size_t offset, size_t mmuflags);
 vmm_context*	vmm_newcontext();
 void		vmm_switchcontext(vmm_context*);
 int		vmm_fork(vmm_context* oldctx, vmm_context* newctx);