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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/nouveau/nvkm/subdev/fault/gp100.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fault/gp100.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fault/gp100.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/gp100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/gp100.c new file mode 100644 index 000000000..6af7959e0 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/gp100.c @@ -0,0 +1,89 @@ +/* + * 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 <core/memory.h> +#include <subdev/mc.h> + +#include <nvif/class.h> + +void +gp100_fault_buffer_intr(struct nvkm_fault_buffer *buffer, bool enable) +{ + struct nvkm_device *device = buffer->fault->subdev.device; + nvkm_mc_intr_mask(device, NVKM_SUBDEV_FAULT, 0, enable); +} + +void +gp100_fault_buffer_fini(struct nvkm_fault_buffer *buffer) +{ + struct nvkm_device *device = buffer->fault->subdev.device; + nvkm_mask(device, 0x002a70, 0x00000001, 0x00000000); +} + +void +gp100_fault_buffer_init(struct nvkm_fault_buffer *buffer) +{ + struct nvkm_device *device = buffer->fault->subdev.device; + nvkm_wr32(device, 0x002a74, upper_32_bits(buffer->addr)); + nvkm_wr32(device, 0x002a70, lower_32_bits(buffer->addr)); + nvkm_mask(device, 0x002a70, 0x00000001, 0x00000001); +} + +u64 gp100_fault_buffer_pin(struct nvkm_fault_buffer *buffer) +{ + return nvkm_memory_bar2(buffer->mem); +} + +void +gp100_fault_buffer_info(struct nvkm_fault_buffer *buffer) +{ + buffer->entries = nvkm_rd32(buffer->fault->subdev.device, 0x002a78); + buffer->get = 0x002a7c; + buffer->put = 0x002a80; +} + +void +gp100_fault_intr(struct nvkm_fault *fault) +{ + nvkm_event_send(&fault->event, 1, 0, NULL, 0); +} + +static const struct nvkm_fault_func +gp100_fault = { + .intr = gp100_fault_intr, + .buffer.nr = 1, + .buffer.entry_size = 32, + .buffer.info = gp100_fault_buffer_info, + .buffer.pin = gp100_fault_buffer_pin, + .buffer.init = gp100_fault_buffer_init, + .buffer.fini = gp100_fault_buffer_fini, + .buffer.intr = gp100_fault_buffer_intr, + .user = { { 0, 0, MAXWELL_FAULT_BUFFER_A }, 0 }, +}; + +int +gp100_fault_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_fault **pfault) +{ + return nvkm_fault_new_(&gp100_fault, device, type, inst, pfault); +} |