1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) 2023-2024, Advanced Micro Devices, Inc. 4 */ 5 6 #ifndef _AMDXDNA_MAILBOX_HELPER_H 7 #define _AMDXDNA_MAILBOX_HELPER_H 8 9 #define TX_TIMEOUT 2000 /* milliseconds */ 10 #define RX_TIMEOUT 5000 /* milliseconds */ 11 12 struct amdxdna_dev; 13 14 struct xdna_notify { 15 struct completion comp; 16 u32 *data; 17 size_t size; 18 int error; 19 u32 *status; 20 }; 21 22 #define DECLARE_XDNA_MSG_COMMON(name, op, s) \ 23 struct name##_req req = { 0 }; \ 24 struct name##_resp resp = { .status = s }; \ 25 struct xdna_notify hdl = { \ 26 .error = 0, \ 27 .data = (u32 *)&resp, \ 28 .size = sizeof(resp), \ 29 .comp = COMPLETION_INITIALIZER_ONSTACK(hdl.comp), \ 30 .status = (u32 *)&resp.status, \ 31 }; \ 32 struct xdna_mailbox_msg msg = { \ 33 .send_data = (u8 *)&req, \ 34 .send_size = sizeof(req), \ 35 .handle = &hdl, \ 36 .opcode = op, \ 37 .notify_cb = xdna_msg_cb, \ 38 } 39 40 int xdna_msg_cb(void *handle, void __iomem *data, size_t size); 41 int xdna_send_msg_wait(struct amdxdna_dev *xdna, struct mailbox_channel *chann, 42 struct xdna_mailbox_msg *msg); 43 44 #endif /* _AMDXDNA_MAILBOX_HELPER_H */ 45