Changeset 8114 in vbox for trunk/src/VBox/HostDrivers/Support/SUPLib.cpp

Timestamp:

Apr 17, 2008 4:51:52 PM (17 years ago)

Author:

vboxsync

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

29816

Message:

ATTENTION: Driver version change (backwards compatible). Need more RTMp* stuff.

File:

• trunk/src/VBox/HostDrivers/Support/SUPLib.cpp (modified) (2 diffs)

trunk/src/VBox/HostDrivers/Support/SUPLib.cpp

@@ -209 +209 @@
         strcpy(CookieReq.u.In.szMagic, SUPCOOKIE_MAGIC);
         CookieReq.u.In.u32ReqVersion = SUPDRVIOC_VERSION;
-        CookieReq.u.In.u32MinVersion = SUPDRVIOC_VERSION & 0xffff0000;
+        const uint32_t MinVersion = (SUPDRVIOC_VERSION & 0xffff0000) == 0x00070000
+                                  ? 0x00070001 /* need new exports */
+                                  : SUPDRVIOC_VERSION & 0xffff0000;
+        CookieReq.u.In.u32MinVersion = MinVersion;
         rc = suplibOsIOCtl(SUP_IOCTL_COOKIE, &CookieReq, SUP_IOCTL_COOKIE_SIZE);
         if (    RT_SUCCESS(rc)
             &&  RT_SUCCESS(CookieReq.Hdr.rc))
         {
-            if ((CookieReq.u.Out.u32SessionVersion & 0xffff0000) == (SUPDRVIOC_VERSION & 0xffff0000))
+            if (    (CookieReq.u.Out.u32SessionVersion & 0xffff0000) == (SUPDRVIOC_VERSION & 0xffff0000)
+                &&  CookieReq.u.Out.u32SessionVersion >= MinVersion)
             {
                 /*
@@ -279 +283 @@
             else
             {
-                LogRel(("Support driver version mismatch: SessionVersion=%#x DriverVersion=%#x ClientVersion=%#x\n",
-                        CookieReq.u.Out.u32SessionVersion, CookieReq.u.Out.u32DriverVersion, SUPDRVIOC_VERSION));
+                LogRel(("Support driver version mismatch: SessionVersion=%#x DriverVersion=%#x ClientVersion=%#x MinVersion=%#x\n",
+                        CookieReq.u.Out.u32SessionVersion, CookieReq.u.Out.u32DriverVersion, SUPDRVIOC_VERSION, MinVersion));
                 rc = VERR_VM_DRIVER_VERSION_MISMATCH;
             }