nvidia-iotcl-debug.patch

--- kernel/nv.c.org	2013-04-11 12:10:37.398169200 +0000
+++ kernel/nv.c	2013-04-11 14:32:05.627806155 +0000
@@ -1815,7 +1815,7 @@
 
     arg_size = _IOC_SIZE(cmd);
     arg_cmd  = _IOC_NR(cmd);
-
+    nv_printf(NV_DBG_ERRORS, "NV-HACK: cmd 0x%x\n", cmd);
     if (arg_cmd == NV_ESC_IOCTL_XFER_CMD)
     {
         if (arg_size != sizeof(nv_ioctl_xfer_t))
@@ -1837,6 +1837,8 @@
         arg_cmd  = ioc_xfer.cmd;
         arg_size = ioc_xfer.size;
         arg_ptr  = NvP64_VALUE(ioc_xfer.ptr);
+    	
+	nv_printf(NV_DBG_ERRORS, "NV-HACK: cmd == NV_ESC_IOCTL_XFER_CMD, arg_cmd=%x, arg_size=%x, arg_ptr=%x\n", arg_cmd, arg_size, arg_ptr);
 
         if (arg_size > NV_ABSOLUTE_MAX_IOCTL_SIZE)
         {
@@ -1925,6 +1927,7 @@
                 tnv = NV_STATE_PTR(tnvl);
                 if (tnv->device_id)
                 {
+		    nv_printf(NV_DBG_ERRORS, "NV-HACK: arg_cmd 0x%x, passing interface %04x:%04x GPU-%i\n",arg_cmd,tnv->vendor_id, tnv->device_id, tnv->gpu_id);
                     ci->flags = NV_IOCTL_CARD_INFO_FLAG_PRESENT;
                     ci->domain = tnv->domain;
                     ci->bus = tnv->bus;
@@ -1953,6 +1956,7 @@
         }
 
         default:
+	    nv_printf(NV_DBG_ERRORS, "sending back file 0x%x, arg_size: 0x%x\n", file, arg_size);
             rmStatus = rm_ioctl(sp, nv, NV_GET_FILE_PRIVATE(file),
                     arg_cmd, arg_copy, arg_size);
             status = ((rmStatus == RM_OK) ? 0 : -EINVAL);
@@ -1971,6 +1975,24 @@
                 status = -EFAULT;
             }
         }
+	{
+		int* character, counter = 0;
+		if (arg_size < 100) {
+			nv_printf(NV_DBG_ERRORS,"Dumping data:\n");
+		}
+		for (character = (int*) arg_copy; character < (int*)( arg_copy + arg_size); character++, counter++) {
+			if (*character == 0x118010de) {
+				nv_printf(NV_DBG_ERRORS, "NV-HACK: 1180 found in returned data, size at 0x%x/0x%x\n", counter,arg_size);
+			}
+			if (arg_size < 100) {
+				nv_printf(NV_DBG_ERRORS,"%08x ",(character));
+				if (counter+1 == arg_size) {
+					nv_printf(NV_DBG_ERRORS,"\n");
+				}
+			}
+		}
+
+	}
         NV_KFREE(arg_copy, arg_size);
     }