550.40.07

src/common/nvswitch/kernel/inc/fsprpc_nvswitch.h

@@ -0,0 +1,92 @@
+/*
+ * SPDX-FileCopyrightText: Copyright (c) 2023 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 _FSPRPC_NVSWITCH_H_
+#define _FSPRPC_NVSWITCH_H_
+
+#define FSP_OK                          (0x00U)
+#define FSP_ERR_IFS_ERR_INVALID_STATE   (0x9EU)
+#define FSP_ERR_IFR_FILE_NOT_FOUND      (0x9FU)
+#define FSP_ERR_IFS_ERR_NOT_SUPPORTED   (0xA0U)
+#define FSP_ERR_IFS_ERR_INVALID_DATA    (0xA1U)
+
+#pragma pack(1)
+typedef struct mctp_header
+{
+    NvU32 constBlob;
+    NvU8 msgType;
+    NvU16 vendorId;
+} MCTP_HEADER;
+
+// Needed to remove unnecessary padding
+#pragma pack(1)
+typedef struct nvdm_payload_cot
+{
+    NvU16 version;
+    NvU16 size;
+    NvU64 gspFmcSysmemOffset;
+    NvU64 frtsSysmemOffset;
+    NvU32 frtsSysmemSize;
+
+    // Note this is an offset from the end of FB
+    NvU64 frtsVidmemOffset;
+    NvU32 frtsVidmemSize;
+
+    // Authentication related fields
+    NvU32 hash384[12];
+    NvU32 publicKey[96];
+    NvU32 signature[96];
+
+    NvU64 gspBootArgsSysmemOffset;
+} NVDM_PAYLOAD_COT;
+#pragma pack()
+
+typedef struct nvdm_packet
+{
+    NvU8 nvdmType;
+
+    // We can make this a union when adding more NVDM payloads
+    NVDM_PAYLOAD_COT cotPayload;
+} NVDM_PACKET;
+
+// The structure cannot have embedded pointers to send as byte stream
+typedef struct mctp_packet
+{
+    MCTP_HEADER header;
+    NVDM_PACKET nvdmPacket;
+} MCTP_PACKET, *PMCTP_PACKET;
+
+// Type of packet, can either be SOM, EOM, neither, or both (1-packet messages)
+typedef enum mctp_packet_state
+{
+    MCTP_PACKET_STATE_START,
+    MCTP_PACKET_STATE_INTERMEDIATE,
+    MCTP_PACKET_STATE_END,
+    MCTP_PACKET_STATE_SINGLE_PACKET
+} MCTP_PACKET_STATE, *PMCTP_PACKET_STATE;
+
+NvlStatus nvswitch_fsp_read_message(nvswitch_device *device, NvU8 *pPayloadBuffer, NvU32 payloadBufferSize);
+NvlStatus nvswitch_fsp_send_packet(nvswitch_device  *device, NvU8 *pPacket, NvU32 packetSize);
+NvlStatus nvswitch_fsp_send_and_read_message(nvswitch_device  *device, NvU8 *pPayload, NvU32 size, NvU32 nvdmType, NvU8 *pResponsePayload, NvU32 responseBufferSize);
+
+#endif //_FSPRPC_NVSWITCH_H_