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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 | /* * Copyright 2016 Red Hat Inc. * * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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. * * Authors: Ben Skeggs <bskeggs@redhat.com> */ #include "priv.h" struct nvkm_top_device * nvkm_top_device_new(struct nvkm_top *top) { struct nvkm_top_device *info = kmalloc(sizeof(*info), GFP_KERNEL); if (info) { info->type = NVKM_SUBDEV_NR; info->inst = -1; info->addr = 0; info->fault = -1; info->engine = -1; info->runlist = -1; info->reset = -1; info->intr = -1; list_add_tail(&info->head, &top->device); } return info; } u32 nvkm_top_addr(struct nvkm_device *device, enum nvkm_subdev_type type, int inst) { struct nvkm_top *top = device->top; struct nvkm_top_device *info; if (top) { list_for_each_entry(info, &top->device, head) { if (info->type == type && info->inst == inst) return info->addr; } } return 0; } u32 nvkm_top_reset(struct nvkm_device *device, enum nvkm_subdev_type type, int inst) { struct nvkm_top *top = device->top; struct nvkm_top_device *info; if (top) { list_for_each_entry(info, &top->device, head) { if (info->type == type && info->inst == inst && info->reset >= 0) return BIT(info->reset); } } return 0; } u32 nvkm_top_intr_mask(struct nvkm_device *device, enum nvkm_subdev_type type, int inst) { struct nvkm_top *top = device->top; struct nvkm_top_device *info; if (top) { list_for_each_entry(info, &top->device, head) { if (info->type == type && info->inst == inst && info->intr >= 0) return BIT(info->intr); } } return 0; } int nvkm_top_fault_id(struct nvkm_device *device, enum nvkm_subdev_type type, int inst) { struct nvkm_top *top = device->top; struct nvkm_top_device *info; list_for_each_entry(info, &top->device, head) { if (info->type == type && info->inst == inst && info->fault >= 0) return info->fault; } return -ENOENT; } struct nvkm_subdev * nvkm_top_fault(struct nvkm_device *device, int fault) { struct nvkm_top *top = device->top; struct nvkm_top_device *info; list_for_each_entry(info, &top->device, head) { if (info->fault == fault) return nvkm_device_subdev(device, info->type, info->inst); } return NULL; } int nvkm_top_parse(struct nvkm_device *device) { struct nvkm_top *top = device->top; if (!top || !list_empty(&top->device)) return 0; return top->func->parse(top); } static void * nvkm_top_dtor(struct nvkm_subdev *subdev) { struct nvkm_top *top = nvkm_top(subdev); struct nvkm_top_device *info, *temp; list_for_each_entry_safe(info, temp, &top->device, head) { list_del(&info->head); kfree(info); } return top; } static const struct nvkm_subdev_func nvkm_top = { .dtor = nvkm_top_dtor, }; int nvkm_top_new_(const struct nvkm_top_func *func, struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_top **ptop) { struct nvkm_top *top; if (!(top = *ptop = kzalloc(sizeof(*top), GFP_KERNEL))) return -ENOMEM; nvkm_subdev_ctor(&nvkm_top, device, type, inst, &top->subdev); top->func = func; INIT_LIST_HEAD(&top->device); return 0; } |