Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Ben Skeggs | 970 | 98.08% | 19 | 95.00% |
Alistair Popple | 19 | 1.92% | 1 | 5.00% |
Total | 989 | 20 |
/* * 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/gsp.h> #include <subdev/mc.h> #include <subdev/mmu.h> #include <subdev/vfn.h> #include <engine/fifo.h> #include <nvif/class.h> static irqreturn_t tu102_fault_buffer_notify(struct nvkm_inth *inth) { struct nvkm_fault_buffer *buffer = container_of(inth, typeof(*buffer), inth); nvkm_event_ntfy(&buffer->fault->event, buffer->id, NVKM_FAULT_BUFFER_EVENT_PENDING); return IRQ_HANDLED; } static void tu102_fault_buffer_intr(struct nvkm_fault_buffer *buffer, bool enable) { if (enable) nvkm_inth_allow(&buffer->inth); else nvkm_inth_block(&buffer->inth); } static void tu102_fault_buffer_fini(struct nvkm_fault_buffer *buffer) { struct nvkm_device *device = buffer->fault->subdev.device; const u32 foff = buffer->id * 0x20; nvkm_mask(device, 0xb83010 + foff, 0x80000000, 0x00000000); } static void tu102_fault_buffer_init(struct nvkm_fault_buffer *buffer) { struct nvkm_device *device = buffer->fault->subdev.device; const u32 foff = buffer->id * 0x20; nvkm_mask(device, 0xb83010 + foff, 0xc0000000, 0x40000000); nvkm_wr32(device, 0xb83004 + foff, upper_32_bits(buffer->addr)); nvkm_wr32(device, 0xb83000 + foff, lower_32_bits(buffer->addr)); nvkm_mask(device, 0xb83010 + foff, 0x80000000, 0x80000000); } static void tu102_fault_buffer_info(struct nvkm_fault_buffer *buffer) { struct nvkm_device *device = buffer->fault->subdev.device; const u32 foff = buffer->id * 0x20; nvkm_mask(device, 0xb83010 + foff, 0x40000000, 0x40000000); buffer->entries = nvkm_rd32(device, 0xb83010 + foff) & 0x000fffff; buffer->get = 0xb83008 + foff; buffer->put = 0xb8300c + foff; } static irqreturn_t tu102_fault_info_fault(struct nvkm_inth *inth) { struct nvkm_fault *fault = container_of(inth, typeof(*fault), info_fault); struct nvkm_subdev *subdev = &fault->subdev; struct nvkm_device *device = subdev->device; struct nvkm_fault_data info; const u32 addrlo = nvkm_rd32(device, 0xb83080); const u32 addrhi = nvkm_rd32(device, 0xb83084); const u32 info0 = nvkm_rd32(device, 0xb83088); const u32 insthi = nvkm_rd32(device, 0xb8308c); const u32 info1 = nvkm_rd32(device, 0xb83090); info.addr = ((u64)addrhi << 32) | addrlo; info.inst = ((u64)insthi << 32) | (info0 & 0xfffff000); info.time = 0; info.engine = (info0 & 0x000000ff); info.valid = (info1 & 0x80000000) >> 31; info.gpc = (info1 & 0x1f000000) >> 24; info.hub = (info1 & 0x00100000) >> 20; info.access = (info1 & 0x000f0000) >> 16; info.client = (info1 & 0x00007f00) >> 8; info.reason = (info1 & 0x0000001f); nvkm_fifo_fault(device->fifo, &info); nvkm_wr32(device, 0xb83094, 0x80000000); return IRQ_HANDLED; } static void tu102_fault_fini(struct nvkm_fault *fault) { nvkm_event_ntfy_block(&fault->nrpfb); flush_work(&fault->nrpfb_work); if (fault->buffer[0]) fault->func->buffer.fini(fault->buffer[0]); nvkm_inth_block(&fault->info_fault); } static void tu102_fault_init(struct nvkm_fault *fault) { nvkm_inth_allow(&fault->info_fault); fault->func->buffer.init(fault->buffer[0]); nvkm_event_ntfy_allow(&fault->nrpfb); } static int tu102_fault_oneinit(struct nvkm_fault *fault) { struct nvkm_device *device = fault->subdev.device; struct nvkm_intr *intr = &device->vfn->intr; int ret, i; ret = nvkm_inth_add(intr, nvkm_rd32(device, 0x100ee0) & 0x0000ffff, NVKM_INTR_PRIO_NORMAL, &fault->subdev, tu102_fault_info_fault, &fault->info_fault); if (ret) return ret; for (i = 0; i < fault->buffer_nr; i++) { ret = nvkm_inth_add(intr, nvkm_rd32(device, 0x100ee4 + (i * 4)) >> 16, NVKM_INTR_PRIO_NORMAL, &fault->subdev, tu102_fault_buffer_notify, &fault->buffer[i]->inth); if (ret) return ret; } return gv100_fault_oneinit(fault); } static const struct nvkm_fault_func tu102_fault = { .oneinit = tu102_fault_oneinit, .init = tu102_fault_init, .fini = tu102_fault_fini, .buffer.nr = 2, .buffer.entry_size = 32, .buffer.info = tu102_fault_buffer_info, .buffer.pin = gp100_fault_buffer_pin, .buffer.init = tu102_fault_buffer_init, .buffer.fini = tu102_fault_buffer_fini, .buffer.intr = tu102_fault_buffer_intr, .user = { { 0, 0, VOLTA_FAULT_BUFFER_A }, 1 }, }; int tu102_fault_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fault **pfault) { int ret; if (nvkm_gsp_rm(device->gsp)) return -ENODEV; ret = nvkm_fault_new_(&tu102_fault, device, type, inst, pfault); if (ret) return ret; INIT_WORK(&(*pfault)->nrpfb_work, gv100_fault_buffer_process); return 0; }
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