refactor: make pci device driver loading passive, pci bus scanner will not load them...

[lunaix-os.git] / lunaix-os / kernel / fs / twifs / twifs.c

diff --git a/lunaix-os/kernel/fs/twifs/twifs.c b/lunaix-os/kernel/fs/twifs/twifs.c
index 4952e9df62516f447bae49721c4293f5805db4eb..9d6d9f7189be246fd0ad1c8cb70b580d2aec671f 100644 (file)
--- a/lunaix-os/kernel/fs/twifs/twifs.c
+++ b/lunaix-os/kernel/fs/twifs/twifs.c
@@ -8,20 +8,23 @@
  * @copyright Copyright (c) 2022
  *
  */
  * @copyright Copyright (c) 2022
  *
  */

-#include <klibc/stdio.h>
+#include <klibc/strfmt.h>

 #include <klibc/string.h>
 #include <lunaix/clock.h>
 #include <lunaix/fs.h>
 #include <lunaix/fs/twifs.h>
 #include <klibc/string.h>
 #include <lunaix/clock.h>
 #include <lunaix/fs.h>
 #include <lunaix/fs/twifs.h>

+#include <lunaix/fs/twimap.h>

 #include <lunaix/mm/cake.h>
 #include <lunaix/mm/valloc.h>
 #include <lunaix/spike.h>
 
 #include <lunaix/mm/cake.h>
 #include <lunaix/mm/valloc.h>
 #include <lunaix/spike.h>
 

+#include <sys/mm/mempart.h>
+

 static struct twifs_node* fs_root;
 
 static struct cake_pile* twi_pile;
 
 static struct twifs_node* fs_root;
 
 static struct cake_pile* twi_pile;
 

-static volatile uint32_t inode_id = 0;
+static volatile u32_t inode_id = 0;

 
 extern const struct v_file_ops twifs_file_ops;
 extern const struct v_inode_ops twifs_inode_ops;
 
 extern const struct v_file_ops twifs_file_ops;
 extern const struct v_inode_ops twifs_inode_ops;


@@ -30,7 +33,7 @@ struct twifs_node*
 __twifs_new_node(struct twifs_node* parent,
                  const char* name,
                  int name_len,
 __twifs_new_node(struct twifs_node* parent,
                  const char* name,
                  int name_len,

-                 uint32_t itype)
+                 u32_t itype)

 {
     struct twifs_node* node = cake_grab(twi_pile);
     memset(node, 0, sizeof(*node));
 {
     struct twifs_node* node = cake_grab(twi_pile);
     memset(node, 0, sizeof(*node));


@@ -53,14 +56,13 @@ __twifs_new_node(struct twifs_node* parent,
 void
 __twifs_init_inode(struct v_superblock* vsb, struct v_inode* inode)
 {
 void
 __twifs_init_inode(struct v_superblock* vsb, struct v_inode* inode)
 {

-    inode->ops = &twifs_inode_ops;
-    inode->default_fops = &twifs_file_ops;
+    inode->ops = (struct v_inode_ops*)&twifs_inode_ops;
+    inode->default_fops = (struct v_file_ops*)&twifs_file_ops;

 }
 
 int
 __twifs_mount(struct v_superblock* vsb, struct v_dnode* mount_point)
 {
 }
 
 int
 __twifs_mount(struct v_superblock* vsb, struct v_dnode* mount_point)
 {

-    vsb->dev = 1;

     vsb->ops.init_inode = __twifs_init_inode;
 
     struct v_inode* inode = vfs_i_alloc(vsb);
     vsb->ops.init_inode = __twifs_init_inode;
 
     struct v_inode* inode = vfs_i_alloc(vsb);


@@ -87,6 +89,12 @@ __twifs_fwrite(struct v_inode* inode, void* buffer, size_t len, size_t fpos)
     return twi_node->ops.write(inode, buffer, len, fpos);
 }
 
     return twi_node->ops.write(inode, buffer, len, fpos);
 }
 

+int
+__twifs_fwrite_pg(struct v_inode* inode, void* buffer, size_t fpos)
+{
+    return __twifs_fwrite(inode, buffer, MEM_PAGE, fpos);
+}
+

 int
 __twifs_fread(struct v_inode* inode, void* buffer, size_t len, size_t fpos)
 {
 int
 __twifs_fread(struct v_inode* inode, void* buffer, size_t len, size_t fpos)
 {


@@ -97,6 +105,12 @@ __twifs_fread(struct v_inode* inode, void* buffer, size_t len, size_t fpos)
     return twi_node->ops.read(inode, buffer, len, fpos);
 }
 
     return twi_node->ops.read(inode, buffer, len, fpos);
 }
 

+int
+__twifs_fread_pg(struct v_inode* inode, void* buffer, size_t fpos)
+{
+    return __twifs_fread(inode, buffer, MEM_PAGE, fpos);
+}
+

 struct twifs_node*
 __twifs_get_node(struct twifs_node* parent, struct hstr* name)
 {
 struct twifs_node*
 __twifs_get_node(struct twifs_node* parent, struct hstr* name)
 {


@@ -118,7 +132,7 @@ __twifs_dirlookup(struct v_inode* inode, struct v_dnode* dnode)
 {
     struct twifs_node* twi_node = (struct twifs_node*)inode->data;
 
 {
     struct twifs_node* twi_node = (struct twifs_node*)inode->data;
 

-    if (!(twi_node->itype & VFS_IFDIR)) {
+    if ((twi_node->itype & F_FILE)) {

         return ENOTDIR;
     }
 
         return ENOTDIR;
     }
 


@@ -159,7 +173,7 @@ __twifs_iterate_dir(struct v_file* file, struct dir_context* dctx)
         if (counter++ >= dctx->index) {
             dctx->index = counter;
             dctx->read_complete_callback(
         if (counter++ >= dctx->index) {
             dctx->index = counter;
             dctx->read_complete_callback(

-              dctx, pos->name.value, pos->name.len, pos->itype);
+              dctx, pos->name.value, pos->name.len, vfs_get_dtype(pos->itype));

             return 1;
         }
     }
             return 1;
         }
     }


@@ -180,7 +194,7 @@ __twifs_openfile(struct v_inode* inode, struct v_file* file)
 int
 twifs_rm_node(struct twifs_node* node)
 {
 int
 twifs_rm_node(struct twifs_node* node)
 {

-    if ((node->itype & VFS_IFDIR) && !llist_empty(&node->children)) {
+    if (!(node->itype & F_FILE) && !llist_empty(&node->children)) {

         return ENOTEMPTY;
     }
     llist_delete(&node->siblings);
         return ENOTEMPTY;
     }
     llist_delete(&node->siblings);


@@ -192,7 +206,7 @@ struct twifs_node*
 twifs_file_node_vargs(struct twifs_node* parent, const char* fmt, va_list args)
 {
     char buf[VFS_NAME_MAXLEN];
 twifs_file_node_vargs(struct twifs_node* parent, const char* fmt, va_list args)
 {
     char buf[VFS_NAME_MAXLEN];

-    size_t len = __ksprintf_internal(buf, fmt, VFS_NAME_MAXLEN, args);
+    size_t len = ksnprintfv(buf, fmt, VFS_NAME_MAXLEN, args);

 
     return __twifs_new_node(parent ? parent : fs_root, buf, len, VFS_IFSEQDEV);
 }
 
     return __twifs_new_node(parent ? parent : fs_root, buf, len, VFS_IFSEQDEV);
 }


@@ -217,7 +231,7 @@ twifs_dir_node(struct twifs_node* parent, const char* fmt, ...)
     va_start(args, fmt);
 
     char buf[VFS_NAME_MAXLEN];
     va_start(args, fmt);
 
     char buf[VFS_NAME_MAXLEN];

-    size_t len = __ksprintf_internal(buf, fmt, VFS_NAME_MAXLEN, args);
+    size_t len = ksnprintfv(buf, fmt, VFS_NAME_MAXLEN, args);

     struct twifs_node* twi_node =
       __twifs_new_node(parent ? parent : fs_root, buf, len, VFS_IFDIR);
 
     struct twifs_node* twi_node =
       __twifs_new_node(parent ? parent : fs_root, buf, len, VFS_IFDIR);
 


@@ -241,10 +255,43 @@ twifs_init()
 
     fs_root = twifs_dir_node(NULL, NULL, 0, 0);
 }
 
     fs_root = twifs_dir_node(NULL, NULL, 0, 0);
 }

+EXPORT_FILE_SYSTEM(twifs, twifs_init);
+
+void
+twifs_register_plugins()
+{
+    ldga_invoke_fn0(twiplugin_inits);
+}
+
+int
+__twifs_twimap_file_read(struct v_inode* inode,
+                         void* buf,
+                         size_t len,
+                         size_t fpos)
+{
+    struct twimap* map = twinode_getdata(inode, struct twimap*);
+    return twimap_read(map, buf, len, fpos);
+}
+
+struct twimap*
+twifs_mapping(struct twifs_node* parent, void* data, const char* fmt, ...)
+{
+    va_list args;
+    va_start(args, fmt);
+
+    struct twimap* map = twimap_create(data);
+    struct twifs_node* node = twifs_file_node_vargs(parent, fmt, args);
+    node->ops.read = __twifs_twimap_file_read;
+    node->data = map;
+
+    return map;
+}

 
 const struct v_file_ops twifs_file_ops = { .close = default_file_close,
                                            .read = __twifs_fread,
 
 const struct v_file_ops twifs_file_ops = { .close = default_file_close,
                                            .read = __twifs_fread,

+                                           .read_page = __twifs_fread_pg,

                                            .write = __twifs_fwrite,
                                            .write = __twifs_fwrite,

+                                           .write_page = __twifs_fwrite_pg,

                                            .readdir = __twifs_iterate_dir };
 
 const struct v_inode_ops twifs_inode_ops = { .dir_lookup = __twifs_dirlookup,
                                            .readdir = __twifs_iterate_dir };
 
 const struct v_inode_ops twifs_inode_ops = { .dir_lookup = __twifs_dirlookup,