Merged drmcommand-0-0-1drmcommand-0-0-1-20020409-merge

1 files changed, 73 insertions, 1 deletions

diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c
index 1d26b6e6..9cc83a27 100644
--- a/libdrm/xf86drm.c
+++ b/libdrm/xf86drm.c
@@ -434,7 +434,7 @@ static void drmCopyVersion(drmVersionPtr d, const drm_version_t *s)
     d->desc               = drmStrdup(s->desc);
 }
 
-/* drmVersion obtains the version information via an ioctl.  Similar
+/* drmGet Version obtains the driver version information via an ioctl.  Similar
  * information is available via /proc/dri. */
 
 drmVersionPtr drmGetVersion(int fd)
@@ -483,6 +483,26 @@ drmVersionPtr drmGetVersion(int fd)
     return retval;
 }
 
+/* drmGetLibVersion set version information for the drm user space library.
+ * this version number is driver indepedent */
+
+drmVersionPtr drmGetLibVersion(int fd)
+{
+    drm_version_t *version = drmMalloc(sizeof(*version));
+
+    /* Version history:
+     *   revision 1.0.x = original DRM interface with no drmGetLibVersion
+     *                    entry point and many drm<Device> extensions
+     *   revision 1.1.x = added drmCommand entry points for device extensions
+     *                    added drmGetLibVersion to identify libdrm.a version
+     */
+    version->version_major      = 1;
+    version->version_minor      = 1;
+    version->version_patchlevel = 0;
+
+    return (drmVersionPtr)version;
+}
+
 void drmFreeBusid(const char *busid)
 {
     drmFree((void *)busid);
@@ -1343,6 +1363,58 @@ int drmGetStats(int fd, drmStatsT *stats)
     return 0;
 }
 
+int drmCommandNone(int fd, unsigned long drmCommandIndex)
+{
+    void *data = NULL; /* dummy */
+    unsigned long request;
+
+    request = DRM_IO( DRM_COMMAND_BASE + drmCommandIndex);
+
+    if (ioctl(fd, request, data)) {
+	return -errno;
+    }
+    return 0;
+}
+
+int drmCommandRead(int fd, unsigned long drmCommandIndex,
+                   void *data, unsigned long size )
+{
+    unsigned long request;
+
+    request = DRM_IOR( DRM_COMMAND_BASE + drmCommandIndex, size);
+
+    if (ioctl(fd, request, data)) {
+	return -errno;
+    }
+    return 0;
+}
+
+int drmCommandWrite(int fd, unsigned long drmCommandIndex,
+                   void *data, unsigned long size )
+{
+    unsigned long request;
+
+    request = DRM_IOW( DRM_COMMAND_BASE + drmCommandIndex, size);
+
+    if (ioctl(fd, request, data)) {
+	return -errno;
+    }
+    return 0;
+}
+
+int drmCommandWriteRead(int fd, unsigned long drmCommandIndex,
+                   void *data, unsigned long size )
+{
+    unsigned long request;
+
+    request = DRM_IOWR( DRM_COMMAND_BASE + drmCommandIndex, size);
+
+    if (ioctl(fd, request, data)) {
+	return -errno;
+    }
+    return 0;
+}
+
 #if defined(XFree86Server) || defined(DRM_USE_MALLOC)
 static void drmSIGIOHandler(int interrupt, void *closure)
 {