Changeset 6364d3c in mainline

Timestamp:

2007-12-04T20:29:55Z (17 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

9119d25

Parents:

38c706cc

Message:

Sync IPC comments with IPC code.

Files:

• kernel/generic/include/ipc/ipc.h (modified) (3 diffs)
• kernel/generic/src/ipc/sysipc.c (modified) (2 diffs)
• uspace/srv/fs/fat/fat.h (modified) (1 diff)
• uspace/srv/fs/fat/fat_ops.c (modified) (1 diff)

kernel/generic/include/ipc/ipc.h

@@ -119 +119 @@
  * The protocol for negotiating is:
  * - sys_connect_to_me - sends a message IPC_M_CONNECT_TO_ME
- * - sys_wait_for_call - upon receipt tries to allocate new phone
+ * - recipient         - upon receipt tries to allocate new phone
  *                       - if it fails, responds with ELIMIT
  *                     - passes call to userspace. If userspace
@@ -127 +127 @@
  *                     - the allocated phoneid is passed to userspace 
  *                       (on the receiving side) as ARG5 of the call.
- *                     - the caller obtains taskid of the called thread
  */
 #define IPC_M_CONNECT_TO_ME     1
@@ -142 +141 @@
  *                       address of the phone that should be connected
  *                       (TODO: it leaks to userspace)
- *   recipient         -  if ipc_answer == 0, then accept connection
+ *  - recipient        -  if ipc_answer == 0, then accept connection
  *                     -  otherwise connection refused
- *                     -  recepient may forward message. Forwarding
- *                        system message 
+ *                     -  recepient may forward message.
  *
  */

kernel/generic/src/ipc/sysipc.c

@@ -185 +185 @@
                         /* The connection was accepted */
                         phone_connect(phoneid, &answer->sender->answerbox);
-                        /* Set 'phone hash' as arg3 of response */
+                        /* Set 'phone hash' as arg5 of response */
                         IPC_SET_ARG5(answer->data,
                             (unative_t) &TASK->phones[phoneid]);
@@ -270 +270 @@
                 if (newphid < 0)
                         return ELIMIT;
-                /* Set arg3 for server */
+                /* Set arg5 for server */
                 IPC_SET_ARG5(call->data, (unative_t) &TASK->phones[newphid]);
                 call->flags |= IPC_CALL_CONN_ME_TO;

uspace/srv/fs/fat/fat.h

@@ -136 +136 @@
 extern uint8_t *plb_ro;
 
+extern void fat_lookup(ipc_callid_t, ipc_call_t *);
+
+/*
+ * The following interfaces are rather fs-neutral and might be later moved to a
+ * dedicated library (e.g. libfs). We just wait until the interfaces stabilize
+ * and until there is more than one fs implementation.
+ */
 extern int block_read(int, unsigned long, void *);
+extern int block_write(int, unsigned long, void *);
 
-extern void fat_lookup(ipc_callid_t, ipc_call_t *);
+extern void node_add_mp(int, unsigned long);
+extern void node_del_mp(int, unsigned long);
+extern bool node_is_mp(int, unsigned long);
 
 #endif

uspace/srv/fs/fat/fat_ops.c

@@ -37 +37 @@
 
 #include "fat.h"
+#include "../../vfs/vfs.h"
 #include <ipc/ipc.h>
 #include <async.h>
 #include <errno.h>
+
+#define PLB_GET_CHAR(i)         (plb_ro[(i) % PLB_SIZE])
+
+#define FAT_NAME_LEN            8
+#define FAT_EXT_LEN             3
+
+#define FAT_PAD                 ' ' 
+
+#define FAT_DENTRY_UNUSED       0x00
+#define FAT_DENTRY_E5_ESC       0x05
+#define FAT_DENTRY_DOT          0x2e
+#define FAT_DENTRY_ERASED       0xe5
+
+static int match_path_component(fat_dentry_t *dentry, unsigned index,
+    size_t len)
+{
+}
 
 void fat_lookup(ipc_callid_t rid, ipc_call_t *request)