From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/nouveau/nvkm/subdev/fault/user.c | 106 +++++++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/fault/user.c (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fault/user.c') diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/user.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/user.c new file mode 100644 index 000000000..ac835c958 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/user.c @@ -0,0 +1,106 @@ +/* + * Copyright 2018 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. + */ +#include "priv.h" + +#include +#include + +#include +#include + +static int +nvkm_ufault_map(struct nvkm_object *object, void *argv, u32 argc, + enum nvkm_object_map *type, u64 *addr, u64 *size) +{ + struct nvkm_fault_buffer *buffer = nvkm_fault_buffer(object); + struct nvkm_device *device = buffer->fault->subdev.device; + *type = NVKM_OBJECT_MAP_IO; + *addr = device->func->resource_addr(device, 3) + buffer->addr; + *size = nvkm_memory_size(buffer->mem); + return 0; +} + +static int +nvkm_ufault_ntfy(struct nvkm_object *object, u32 type, + struct nvkm_event **pevent) +{ + struct nvkm_fault_buffer *buffer = nvkm_fault_buffer(object); + if (type == NVB069_V0_NTFY_FAULT) { + *pevent = &buffer->fault->event; + return 0; + } + return -EINVAL; +} + +static int +nvkm_ufault_fini(struct nvkm_object *object, bool suspend) +{ + struct nvkm_fault_buffer *buffer = nvkm_fault_buffer(object); + buffer->fault->func->buffer.fini(buffer); + return 0; +} + +static int +nvkm_ufault_init(struct nvkm_object *object) +{ + struct nvkm_fault_buffer *buffer = nvkm_fault_buffer(object); + buffer->fault->func->buffer.init(buffer); + return 0; +} + +static void * +nvkm_ufault_dtor(struct nvkm_object *object) +{ + return NULL; +} + +static const struct nvkm_object_func +nvkm_ufault = { + .dtor = nvkm_ufault_dtor, + .init = nvkm_ufault_init, + .fini = nvkm_ufault_fini, + .ntfy = nvkm_ufault_ntfy, + .map = nvkm_ufault_map, +}; + +int +nvkm_ufault_new(struct nvkm_device *device, const struct nvkm_oclass *oclass, + void *argv, u32 argc, struct nvkm_object **pobject) +{ + union { + struct nvif_clb069_v0 v0; + } *args = argv; + struct nvkm_fault *fault = device->fault; + struct nvkm_fault_buffer *buffer = fault->buffer[fault->func->user.rp]; + int ret = -ENOSYS; + + if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) { + args->v0.entries = buffer->entries; + args->v0.get = buffer->get; + args->v0.put = buffer->put; + } else + return ret; + + nvkm_object_ctor(&nvkm_ufault, oclass, &buffer->object); + *pobject = &buffer->object; + return 0; +} -- cgit v1.2.3