First Push

NVIDIA-Linux-x86_64-535.161.07-grid/kernel/nvidia/nvlink_common.h

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+/*
+ * SPDX-FileCopyrightText: Copyright (c) 2019-2020 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+ * SPDX-License-Identifier: MIT
+ *
+ * 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 _NVLINK_COMMON_H_
+#define _NVLINK_COMMON_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "nvtypes.h"
+#include "nvCpuUuid.h"
+#include "nvlink_errors.h"
+
+
+#ifndef NULL
+#define NULL ((void *)0)
+#endif
+
+// nvlink pci bar information
+struct nvlink_pci_bar_info
+{
+    NvU64  busAddress;
+    NvU64  baseAddr;
+    NvU64  barSize;
+    NvU32  offset;
+    void  *pBar;
+};
+
+#define MAX_NVLINK_BARS    2
+
+// nvlink pci information
+struct nvlink_pci_info
+{
+    NvU32   domain;
+    NvU8    bus;
+    NvU8    device;
+    NvU8    function;
+    NvU32   pciDeviceId;
+    NvU32   irq;
+    NvBool  intHooked;
+    struct  nvlink_pci_bar_info bars[MAX_NVLINK_BARS];
+};
+
+// nvlink detailed device information
+struct nvlink_detailed_device_info
+{
+    char       *deviceName;
+    NvU64       deviceType;
+    NvU8       *devUuid;
+    NvBool      bInitialized;
+    NvBool      bEnableALI;
+    void       *dev_info;     // Endpoint driver device info opaque
+                              // to core lib. Passed from end point
+                              // driver to core
+
+    struct nvlink_pci_info  *pciInfo;
+};
+
+// nvlink device registration parameters
+struct nvlink_device_register_params
+{
+    //
+    // Core lib device info opaque to endpoint driver 
+    // Passed from core lib to endpoint driver
+    //
+    void  **deviceHandle;
+    char   *driverName;
+
+    struct nvlink_detailed_device_info *device_params;
+};
+
+// nvlink detailed link information
+struct nvlink_detailed_link_info
+{
+    void        *deviceHandle; // Core library device handle passed
+                               // to endpoint driver during  device
+                               // registration
+
+    void        *link_info;    // End point driver link info  opaque 
+                               // to core lib. Passed from end point
+                               // driver to core
+
+    char        *linkName;
+    NvU32        linkNumber;
+    NvU32        version;
+    NvBool       bAcCoupled;
+    const void  *link_handlers;
+};
+
+// nvlink link registration parameters
+struct nvlink_link_register_params
+{
+    //
+    // Core lib link info opaque to endpoint driver 
+    // Passed from core lib to endpoint driver
+    //
+    void  **linkHandle;
+
+    struct nvlink_detailed_link_info *link_params;
+};
+
+// nvlink client device handle
+struct nvlink_device_handle
+{
+    NvU32                  linkMask;
+    struct nvlink_pci_info pciInfo;
+};
+
+#define NVLINK_PCI_DEV_FMT              "%04x:%02x:%02x.%x"
+#define NVLINK_PCI_DEV_FMT_ARGS(info)   (info)->domain, \
+                                        (info)->bus,    \
+                                        (info)->device, \
+                                        (info)->function
+
+// nvlink connection information
+struct nvlink_conn_info
+{
+    NvU32  domain;
+    NvU16  bus;
+    NvU16  device;
+    NvU16  function;
+    NvU32  pciDeviceId;
+    NvU8   devUuid[NV_UUID_LEN];
+    NvU64  deviceType;
+    NvU32  linkNumber;
+    NvBool bConnected;
+    NvU64  chipSid;
+};
+
+// nvlink ioctrl params
+struct nvlink_ioctrl_params
+{
+    void  *osPrivate;
+    NvU32  cmd;
+    void  *buf;
+    NvU32  size;
+};
+
+// Typedefs
+typedef struct nvlink_pci_bar_info           nvlink_pci_bar_info;
+typedef struct nvlink_pci_info               nvlink_pci_info;
+typedef struct nvlink_detailed_device_info   nvlink_detailed_device_info;
+typedef struct nvlink_detailed_link_info     nvlink_detailed_link_info;
+typedef struct nvlink_device_register_params nvlink_device_register_params;
+typedef struct nvlink_link_register_params   nvlink_link_register_params;
+typedef struct nvlink_conn_info              nvlink_conn_info;
+typedef struct nvlink_ioctrl_params          nvlink_ioctrl_params;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif //_NVLINK_COMMON_H_