515.43.04

kernel-open/nvidia-uvm/uvm_unit_test.h

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+/*******************************************************************************
+    Copyright (c) 2015-2019 NVidia Corporation
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to
+    deal in the Software without restriction, including without limitation the
+    rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+    sell copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+        The above copyright notice and this permission notice shall be
+        included in all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+    THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+    DEALINGS IN THE SOFTWARE.
+*******************************************************************************/
+
+#ifndef __UVM_UNIT_TEST_H__
+#define __UVM_UNIT_TEST_H__
+
+#include "nvstatus.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+//-----------------------------------------------------------------------------
+// UvmGetGlobalStatePointer
+//
+// This allows an application and any number of shared libraries to effectively
+// share an instance of UVM, even though it is a static library.
+//
+// Note that calling this function causes initialization of the global state
+// if it has not already occurred.
+//
+//-----------------------------------------------------------------------------
+struct UvmGlobalState_tag *UvmGetGlobalStatePointer(void);
+
+//-----------------------------------------------------------------------------
+// UvmSetGlobalStatePointer
+//
+// This allows an instance of the UVM user mode library to share state with
+// another, making it behave as a single instance. Because it is a static
+// library, this is needed for an application and a shared library, or multiple
+// shared libraries, to share a UVM instance. It is only used in testing.
+//
+// This method must be called before the global state has been initialized, so
+// effectively before any other call to this library.  The global state used by
+// the library is fixed once it has been set.
+//
+// Error codes:
+//     NV_ERR_INVALID_STATE:
+//         The global state has already been initialized.
+//
+//     NV_ERR_INVALID_ARGUMENT:
+//         pGlobalState is NULL.
+//
+//-----------------------------------------------------------------------------
+NV_STATUS UvmSetGlobalStatePointer(struct UvmGlobalState_tag *pGlobalState);
+
+//
+// TODO: Bug 1766104: Remove this with uvmfull
+//
+// ioctl command numbers for the debug-build-only tests that
+// live in uvm_gpu_op_testc.c
+//
+// This type should be really put into user-kernel shared types specific file,
+// e.g. uvm_test_ioctl.h. Leaving it here temporarily to keep it compatibile
+// with older drivers.
+//
+typedef enum
+{
+    UVM_GPU_OPS_SAMPLE_TEST = 0,
+    UVM_CHANNEL_MGMT_API_BASIC_MIGRATION_TEST,
+    UVM_CHANNEL_MGMT_API_PUSHBUFFER_SIMPLE_SANITY_TEST,
+    UVM_REGION_TRACKER_SANITY_TEST,
+    UVM_CHANNEL_DIRECTED_TEST,
+    UVM_CHANNEL_MGMT_API_INLINE_REGION_SANITY_TEST,
+    UVM_CHANNEL_PHYSICAL_MEMCOPY_TEST,
+    UVM_CHANNEL_PAGESIZE_4K_TO_128K_DIRECTED_TEST,
+    UVM_CHANNEL_PAGESIZE_4K_TO_2M_DIRECTED_TEST,
+    UVM_CHANNEL_PAGESIZE_4K_TO_128K_CONTIGUOUS_DIRECTED_TEST,
+    UVM_CHANNEL_PAGESIZE_4K_TO_2M_CONTIGUOUS_DIRECTED_TEST,
+    UVM_CHANNEL_P2P_MEMCOPY_TEST,
+    UVM_TEST_END
+} UvmTests;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // __UVM_UNIT_TEST_H__