Changeset dd8b6a8 in mainline for uspace/lib/c/generic

Timestamp:

2014-08-27T23:56:16Z (11 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

95fe55ca

Parents:

f27f3fd

Message:

Add synchronize cache operation to block layer and usbmast.

Location:

uspace/lib/c/generic

Files:

• bd.c (modified) (1 diff)
• bd_srv.c (modified) (2 diffs)

uspace/lib/c/generic/bd.c

@@ -150 +150 @@
 }
 
+int bd_sync_cache(bd_t *bd, aoff64_t ba, size_t cnt)
+{
+        async_exch_t *exch = async_exchange_begin(bd->sess);
+
+        int rc = async_req_3_0(exch, BD_SYNC_CACHE, LOWER32(ba),
+            UPPER32(ba), cnt);
+        async_exchange_end(exch);
+
+        return rc;
+}
+
 int bd_get_block_size(bd_t *bd, size_t *rbsize)
 {

uspace/lib/c/generic/bd_srv.c

@@ -128 +128 @@
 }
 
+static void bd_sync_cache_srv(bd_srv_t *srv, ipc_callid_t callid,
+    ipc_call_t *call)
+{
+        aoff64_t ba;
+        size_t cnt;
+        int rc;
+
+        ba = MERGE_LOUP32(IPC_GET_ARG1(*call), IPC_GET_ARG2(*call));
+        cnt = IPC_GET_ARG3(*call);
+
+        if (srv->srvs->ops->sync_cache == NULL) {
+                async_answer_0(callid, ENOTSUP);
+                return;
+        }
+
+        rc = srv->srvs->ops->sync_cache(srv, ba, cnt);
+        async_answer_0(callid, rc);
+}
+
 static void bd_write_blocks_srv(bd_srv_t *srv, ipc_callid_t callid,
     ipc_call_t *call)
@@ -244 +263 @@
                         bd_read_toc_srv(srv, callid, &call);
                         break;
+                case BD_SYNC_CACHE:
+                        bd_sync_cache_srv(srv, callid, &call);
+                        break;
                 case BD_WRITE_BLOCKS:
                         bd_write_blocks_srv(srv, callid, &call);