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      1 /*	$NetBSD: amdgpu_xgmi.c,v 1.1 2021/12/19 12:22:48 riastradh Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2021 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/cdefs.h>
     30 __KERNEL_RCSID(0, "$NetBSD: amdgpu_xgmi.c,v 1.1 2021/12/19 12:22:48 riastradh Exp $");
     31 
     32 #include <sys/types.h>
     33 
     34 #include "amdgpu.h"
     35 #include "amdgpu_xgmi.h"
     36 
     37 struct amdgpu_hive_info *
     38 amdgpu_get_xgmi_hive(struct amdgpu_device *adev, int lock)
     39 {
     40 	return NULL;
     41 }
     42 
     43 int
     44 amdgpu_xgmi_update_topology(struct amdgpu_hive_info *hive,
     45     struct amdgpu_device *adev)
     46 {
     47 	return -ENOSYS;
     48 }
     49 
     50 int
     51 amdgpu_xgmi_add_device(struct amdgpu_device *adev)
     52 {
     53 	return -ENOSYS;
     54 }
     55 
     56 void
     57 amdgpu_xgmi_remove_device(struct amdgpu_device *adev)
     58 {
     59 }
     60 
     61 int
     62 amdgpu_xgmi_set_pstate(struct amdgpu_device *adev, int pstate)
     63 {
     64 	return -ENOSYS;
     65 }
     66 
     67 int
     68 amdgpu_xgmi_get_hops_count(struct amdgpu_device *adev,
     69     struct amdgpu_device *peer_adev)
     70 {
     71 	return -ENOSYS;
     72 }
     73 
     74 int
     75 amdgpu_xgmi_ras_late_init(struct amdgpu_device *adev)
     76 {
     77 	return 0;
     78 }
     79 
     80 void
     81 amdgpu_xgmi_ras_fini(struct amdgpu_device *adev)
     82 {
     83 }
     84