Changeset c952465d in mainline

Timestamp:

2007-09-13T19:28:50Z (17 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

b3f598e

Parents:

7a9364c

Message:

VFS work.
Turn the dummy skeleton into a dummy skeleton that can handle connections.
There are already traces of the VFS protocol.

Location:

uspace

Files:

• lib/libc/include/ipc/services.h (modified) (1 diff)
• srv/vfs/vfs.c (modified) (1 diff)
• srv/vfs/vfs.h (added)

uspace/lib/libc/include/ipc/services.h

@@ -44 +44 @@
 #define SERVICE_RD              5
 #define SERVICE_FS              6
+#define SERVICE_VFS             7
 
 /* Memory area to be received from NS */

uspace/srv/vfs/vfs.c

@@ -36 +36 @@
  */
 
+#include <ipc/ipc.h>
+#include <ipc/services.h>
+#include <async.h>
+#include <errno.h>
+#include "vfs.h"
+
+static void vfs_connection(ipc_callid_t iid, ipc_call_t *icall)
+{
+        ipcarg_t iarg1, iarg2;
+
+        /*
+         * The connection was opened via the IPC_CONNECT_ME_TO call.
+         * This call needs to be answered.
+         *
+         * The protocol is that the requested action is specified in ARG1
+         * of the opening call. If the request has a single integer argument,
+         * it is passed in ARG2.
+         */
+        iarg1 = IPC_GET_ARG1(*icall);
+        iarg2 = IPC_GET_ARG2(*icall);
+
+        /*
+         * Now, the connection can either be from an individual FS,
+         * which is trying to register itself and pass us its capabilities.
+         * Or, the connection is a regular connection from a client that wants
+         * us to do something for it (e.g. open a file, mount a fs etc.).
+         */
+        switch (iarg1) {
+        case VFS_REGISTER:
+        case VFS_MOUNT:
+        case VFS_UNMOUNT:
+        case VFS_OPEN:
+        default:
+                ipc_answer_fast(iid, ENOTSUP, 0, 0);
+                break;
+        }
+}
+
 int main(int argc, char **argv)
 {
+        ipcarg_t phonead;
+
+        async_set_client_connection(vfs_connection);
+        ipc_connect_to_me(PHONE_NS, SERVICE_VFS, 0, &phonead);
+        async_manager();
         return 0;
 }