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