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@@ -0,0 +1,69 @@
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+/*
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+ * Copyright 2018 Red Hat Inc.
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+ *
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+ * Permission is hereby granted, free of charge, to any person obtaining a
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+ * copy of this software and associated documentation files (the "Software"),
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+ * to deal in the Software without restriction, including without limitation
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+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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+ * and/or sell copies of the Software, and to permit persons to whom the
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+ * Software is furnished to do so, subject to the following conditions:
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+ *
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+ * The above copyright notice and this permission notice shall be included in
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+ * all copies or substantial portions of the Software.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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+ * OTHER DEALINGS IN THE SOFTWARE.
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+ */
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+#include "priv.h"
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+
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+#include <subdev/mmu.h>
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+
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+static void
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+gp100_fault_buffer_fini(struct nvkm_fault_buffer *buffer)
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+{
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+ struct nvkm_device *device = buffer->fault->subdev.device;
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+ nvkm_mask(device, 0x002a70, 0x00000001, 0x00000000);
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+}
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+
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+static void
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+gp100_fault_buffer_init(struct nvkm_fault_buffer *buffer)
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+{
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+ struct nvkm_device *device = buffer->fault->subdev.device;
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+ nvkm_wr32(device, 0x002a74, upper_32_bits(buffer->vma->addr));
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+ nvkm_wr32(device, 0x002a70, lower_32_bits(buffer->vma->addr));
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+ nvkm_mask(device, 0x002a70, 0x00000001, 0x00000001);
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+}
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+
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+static u32
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+gp100_fault_buffer_entries(struct nvkm_fault_buffer *buffer)
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+{
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+ return nvkm_rd32(buffer->fault->subdev.device, 0x002a78);
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+}
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+
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+static void
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+gp100_fault_intr(struct nvkm_fault *fault)
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+{
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+ nvkm_event_send(&fault->event, 1, 0, NULL, 0);
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+}
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+
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+static const struct nvkm_fault_func
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+gp100_fault = {
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+ .intr = gp100_fault_intr,
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+ .buffer.nr = 1,
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+ .buffer.entry_size = 32,
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+ .buffer.entries = gp100_fault_buffer_entries,
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+ .buffer.init = gp100_fault_buffer_init,
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+ .buffer.fini = gp100_fault_buffer_fini,
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+};
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+
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+int
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+gp100_fault_new(struct nvkm_device *device, int index,
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+ struct nvkm_fault **pfault)
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+{
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+ return nvkm_fault_new_(&gp100_fault, device, index, pfault);
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+}
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Ben Skeggs