Changes in uspace/srv/fs/fat/fat.h [efcebe1:b69e4c0] in mainline

File:

• uspace/srv/fs/fat/fat.h (modified) (7 diffs)

uspace/srv/fs/fat/fat.h

@@ -1 +1 @@
 /*
  * Copyright (c) 2008 Jakub Jermar
+ * Copyright (c) 2011 Oleg Romanenko
  * All rights reserved.
  *
@@ -46 +47 @@
 #endif
 
-#define min(a, b)               ((a) < (b) ? (a) : (b))
+#define min(a, b)       ((a) < (b) ? (a) : (b))
 
 /*
@@ -55 +56 @@
 #define RSCNT(bs)       uint16_t_le2host((bs)->rscnt)
 #define FATCNT(bs)      (bs)->fatcnt
-#define SF(bs)          uint16_t_le2host((bs)->sec_per_fat)
+
+#define SF(bs)          (uint16_t_le2host((bs)->sec_per_fat) ? \
+    uint16_t_le2host((bs)->sec_per_fat) : \
+    uint32_t_le2host(bs->fat32.sectors_per_fat))
+
 #define RDE(bs)         uint16_t_le2host((bs)->root_ent_max)
-#define TS(bs)          (uint16_t_le2host((bs)->totsec16) != 0 ? \
-                        uint16_t_le2host((bs)->totsec16) : \
-                        uint32_t_le2host(bs->totsec32))
-
-#define BS_BLOCK                0
-#define BS_SIZE                 512
+
+#define TS(bs)          (uint16_t_le2host((bs)->totsec16) ? \
+    uint16_t_le2host((bs)->totsec16) : \
+    uint32_t_le2host(bs->totsec32))
+
+#define BS_BLOCK        0
+#define BS_SIZE         512
 
 typedef struct fat_bs {
@@ -135 +141 @@
 } __attribute__ ((packed)) fat_bs_t;
 
+#define FAT32_FSINFO_SIG1       "RRaA"
+#define FAT32_FSINFO_SIG2       "rrAa"
+#define FAT32_FSINFO_SIG3       "\x00\x00\x55\xaa"
+
+typedef struct {
+        uint8_t sig1[4];
+        uint8_t res1[480];
+        uint8_t sig2[4];
+        uint32_t free_clusters;
+        uint32_t last_allocated_cluster;
+        uint8_t res2[12];
+        uint8_t sig3[4];
+} __attribute__ ((packed)) fat32_fsinfo_t;
+
 typedef enum {
         FAT_INVALID,
@@ -175 +195 @@
 
         fibril_mutex_t  lock;
-        devmap_handle_t devmap_handle;
+        service_id_t    service_id;
         fs_index_t      index;
         /**
@@ -224 +244 @@
 } fat_node_t;
 
+typedef struct {
+        bool lfn_enabled;
+} fat_instance_t;
+
 extern vfs_out_ops_t fat_ops;
 extern libfs_ops_t fat_libfs_ops;
 
-extern int fat_idx_get_new(fat_idx_t **, devmap_handle_t);
-extern fat_idx_t *fat_idx_get_by_pos(devmap_handle_t, fat_cluster_t, unsigned);
-extern fat_idx_t *fat_idx_get_by_index(devmap_handle_t, fs_index_t);
+extern int fat_idx_get_new(fat_idx_t **, service_id_t);
+extern fat_idx_t *fat_idx_get_by_pos(service_id_t, fat_cluster_t, unsigned);
+extern fat_idx_t *fat_idx_get_by_index(service_id_t, fs_index_t);
 extern void fat_idx_destroy(fat_idx_t *);
 extern void fat_idx_hashin(fat_idx_t *);
@@ -236 +260 @@
 extern int fat_idx_init(void);
 extern void fat_idx_fini(void);
-extern int fat_idx_init_by_devmap_handle(devmap_handle_t);
-extern void fat_idx_fini_by_devmap_handle(devmap_handle_t);
+extern int fat_idx_init_by_service_id(service_id_t);
+extern void fat_idx_fini_by_service_id(service_id_t);
 
 #endif