Changeset 27738 in vbox for trunk/src/VBox/VMM

Timestamp:

Mar 26, 2010 1:21:55 PM (15 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

59368

Message:

AsyncCompletion: Add a new method to set the size of an endpoint

Location:

trunk/src/VBox/VMM

Files:

• PDMAsyncCompletion.cpp (modified) (5 diffs)
• PDMAsyncCompletionFile.cpp (modified) (2 diffs)
• PDMAsyncCompletionInternal.h (modified) (2 diffs)

trunk/src/VBox/VMM/PDMAsyncCompletion.cpp

@@ -1023 +1023 @@
                                      STAMUNIT_OCCURENCES,
                                      "Nanosecond resolution runtime statistics",
-                                     "/PDM/AsyncCompletion/File/%s/TaskRunNs-%u-%u",
+                                     "/PDM/AsyncCompletion/File/%s/TaskRun1Ns-%u-%u",
                                      RTPathFilename(pEndpoint->pszUri),
                                      i*100, i*100+100-1);
@@ -1038 +1038 @@
                                          STAMUNIT_OCCURENCES,
                                          "Microsecond resolution runtime statistics",
-                                         "/PDM/AsyncCompletion/File/%s/TaskRunMicroSec-%u-%u",
+                                         "/PDM/AsyncCompletion/File/%s/TaskRun2MicroSec-%u-%u",
                                          RTPathFilename(pEndpoint->pszUri),
                                         i*100, i*100+100-1);
@@ -1054 +1054 @@
                                          STAMUNIT_OCCURENCES,
                                          "Milliseconds resolution runtime statistics",
-                                         "/PDM/AsyncCompletion/File/%s/TaskRunMs-%u-%u",
+                                         "/PDM/AsyncCompletion/File/%s/TaskRun3Ms-%u-%u",
                                          RTPathFilename(pEndpoint->pszUri),
                                         i*100, i*100+100-1);
@@ -1070 +1070 @@
                                          STAMUNIT_OCCURENCES,
                                          "Second resolution runtime statistics",
-                                         "/PDM/AsyncCompletion/File/%s/TaskRunSec-%u-%u",
+                                         "/PDM/AsyncCompletion/File/%s/TaskRun4Sec-%u-%u",
                                          RTPathFilename(pEndpoint->pszUri),
                                         i*10, i*10+10-1);
@@ -1348 +1348 @@
     AssertReturn(VALID_PTR(pcbSize), VERR_INVALID_POINTER);
 
-    return pEndpoint->pEpClass->pEndpointOps->pfnEpGetSize(pEndpoint, pcbSize);
+    if (pEndpoint->pEpClass->pEndpointOps->pfnEpGetSize)
+        return pEndpoint->pEpClass->pEndpointOps->pfnEpGetSize(pEndpoint, pcbSize);
+    else
+        return VERR_NOT_SUPPORTED;
+}
+
+VMMR3DECL(int) PDMR3AsyncCompletionEpSetSize(PPDMASYNCCOMPLETIONENDPOINT pEndpoint,
+                                             uint64_t cbSize)
+{
+    AssertReturn(VALID_PTR(pEndpoint), VERR_INVALID_POINTER);
+
+    if (pEndpoint->pEpClass->pEndpointOps->pfnEpSetSize)
+        return pEndpoint->pEpClass->pEndpointOps->pfnEpSetSize(pEndpoint, cbSize);
+    else
+        return VERR_NOT_SUPPORTED;
 }
 

trunk/src/VBox/VMM/PDMAsyncCompletionFile.cpp

@@ -1106 +1106 @@
 
     return VINF_SUCCESS;
+}
+
+static int pdmacFileEpSetSize(PPDMASYNCCOMPLETIONENDPOINT pEndpoint, uint64_t cbSize)
+{
+    PPDMASYNCCOMPLETIONENDPOINTFILE pEpFile = (PPDMASYNCCOMPLETIONENDPOINTFILE)pEndpoint;
+
+    ASMAtomicWriteU64(&pEpFile->cbEndpoint, cbSize);
+    return RTFileSetSize(pEpFile->File, cbSize);
 }
 
@@ -1138 +1146 @@
     /* pfnEpGetSize */
     pdmacFileEpGetSize,
+    /* pfnEpSetSize */
+    pdmacFileEpSetSize,
     /* u32VersionEnd */
     PDMAC_EPCLASS_OPS_VERSION

trunk/src/VBox/VMM/PDMAsyncCompletionInternal.h

@@ -143 +143 @@
 
     /**
-     * Initiates a flush request on the given endpoint.
+     * Queries the size of the endpoint. Optional.
      *
      * @returns VBox status code.
@@ -151 +151 @@
     DECLR3CALLBACKMEMBER(int, pfnEpGetSize, (PPDMASYNCCOMPLETIONENDPOINT pEndpoint,
                                              uint64_t *pcbSize));
+
+    /**
+     * Sets the size of the endpoint. Optional.
+     * This is a synchronous operation.
+     *
+     *
+     * @returns VBox status code.
+     * @param   pEndpoint     Endpoint the request is for.
+     * @param   cbSize        New size for the endpoint.
+     */
+    DECLR3CALLBACKMEMBER(int, pfnEpSetSize, (PPDMASYNCCOMPLETIONENDPOINT pEndpoint,
+                                             uint64_t cbSize));
 
     /** Initialization safety marker. */