* @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/api.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 <asm/pagetable.h>
+
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;
__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));
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)
{
- vsb->dev = 1;
vsb->ops.init_inode = __twifs_init_inode;
struct v_inode* inode = vfs_i_alloc(vsb);
return 0;
}
+int
+__twifs_unmount(struct v_superblock* vsb)
+{
+ return 0;
+}
+
int
__twifs_fwrite(struct v_inode* inode, void* buffer, size_t len, size_t 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, PAGE_SIZE, fpos);
+}
+
int
__twifs_fread(struct v_inode* inode, void* buffer, size_t len, size_t 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, PAGE_SIZE, fpos);
+}
+
struct twifs_node*
__twifs_get_node(struct twifs_node* parent, struct hstr* name)
{
{
struct twifs_node* twi_node = (struct twifs_node*)inode->data;
- if (!(twi_node->itype & VFS_IFDIR)) {
+ if (!check_directory_node(inode)) {
return ENOTDIR;
}
__twifs_iterate_dir(struct v_file* file, struct dir_context* dctx)
{
struct twifs_node* twi_node = (struct twifs_node*)(file->inode->data);
- int counter = 0;
+ unsigned int counter = 2;
struct twifs_node *pos, *n;
+ if (fsapi_handle_pseudo_dirent(file, dctx)) {
+ return 1;
+ }
+
llist_for_each(pos, n, &twi_node->children, siblings)
{
- if (counter++ >= dctx->index) {
- dctx->index = counter;
- dctx->read_complete_callback(
- dctx, pos->name.value, pos->name.len, pos->itype);
+ if (counter++ >= file->f_pos) {
+ fsapi_dir_report(
+ dctx, pos->name.value, pos->name.len, vfs_get_dtype(pos->itype));
return 1;
}
}
int
twifs_rm_node(struct twifs_node* node)
{
- if ((node->itype & VFS_IFDIR) && !llist_empty(&node->children)) {
+ if (check_itype(node->itype, VFS_IFDIR) && !llist_empty(&node->children)) {
return ENOTEMPTY;
}
llist_delete(&node->siblings);
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, F_FILE);
}
struct twifs_node*
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);
void
twifs_init()
{
+ struct filesystem* fs;
+ fs = fsapi_fs_declare("twifs", FSTYPE_PSEUDO | FSTYPE_ROFS);
+
+ fsapi_fs_set_mntops(fs, __twifs_mount, __twifs_unmount);
+ fsapi_fs_finalise(fs);
+
twi_pile = cake_new_pile("twifs_node", sizeof(struct twifs_node), 1, 0);
+ fs_root = twifs_dir_node(NULL, NULL, 0, 0);
+}
+EXPORT_FILE_SYSTEM(twifs, twifs_init);
- struct filesystem* twifs = vzalloc(sizeof(struct filesystem));
- twifs->fs_name = HSTR("twifs", 5);
- twifs->mount = __twifs_mount;
- twifs->types = FSTYPE_ROFS;
- twifs->fs_id = 0;
+void
+twifs_register_plugins()
+{
+ ldga_invoke_fn0(twiplugin_inits);
+}
- fsm_register(twifs);
+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);
+}
- fs_root = twifs_dir_node(NULL, NULL, 0, 0);
+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,
+ .read_page = __twifs_fread_pg,
.write = __twifs_fwrite,
+ .write_page = __twifs_fwrite_pg,
.readdir = __twifs_iterate_dir };
const struct v_inode_ops twifs_inode_ops = { .dir_lookup = __twifs_dirlookup,
git://scm.lunaixsky.com / lunaix-os.git / blobdiff