Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Ben Skeggs | 813 | 100.00% | 1 | 100.00% |
Total | 813 | 1 |
/* * 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/mmu.h> #include <engine/fifo.h> #include <nvif/class.h> static void tu104_fault_buffer_intr(struct nvkm_fault_buffer *buffer, bool enable) { /*XXX: Earlier versions of RM touched the old regs on Turing, * which don't appear to actually work anymore, but newer * versions of RM don't appear to touch anything at all.. */ } static void tu104_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 tu104_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 tu104_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 void tu104_fault_intr_fault(struct nvkm_fault *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); } static void tu104_fault_intr(struct nvkm_fault *fault) { struct nvkm_subdev *subdev = &fault->subdev; struct nvkm_device *device = subdev->device; u32 stat = nvkm_rd32(device, 0xb83094); if (stat & 0x80000000) { tu104_fault_intr_fault(fault); nvkm_wr32(device, 0xb83094, 0x80000000); stat &= ~0x80000000; } if (stat & 0x00000200) { if (fault->buffer[0]) { nvkm_event_send(&fault->event, 1, 0, NULL, 0); stat &= ~0x00000200; } } /*XXX: guess, can't confirm until we get fw... */ if (stat & 0x00000100) { if (fault->buffer[1]) { nvkm_event_send(&fault->event, 1, 1, NULL, 0); stat &= ~0x00000100; } } if (stat) { nvkm_debug(subdev, "intr %08x\n", stat); } } static void tu104_fault_fini(struct nvkm_fault *fault) { nvkm_notify_put(&fault->nrpfb); if (fault->buffer[0]) fault->func->buffer.fini(fault->buffer[0]); /*XXX: disable priv faults */ } static void tu104_fault_init(struct nvkm_fault *fault) { /*XXX: enable priv faults */ fault->func->buffer.init(fault->buffer[0]); nvkm_notify_get(&fault->nrpfb); } static const struct nvkm_fault_func tu104_fault = { .oneinit = gv100_fault_oneinit, .init = tu104_fault_init, .fini = tu104_fault_fini, .intr = tu104_fault_intr, .buffer.nr = 2, .buffer.entry_size = 32, .buffer.info = tu104_fault_buffer_info, .buffer.init = tu104_fault_buffer_init, .buffer.fini = tu104_fault_buffer_fini, .buffer.intr = tu104_fault_buffer_intr, }; int tu104_fault_new(struct nvkm_device *device, int index, struct nvkm_fault **pfault) { return nvkm_fault_new_(&tu104_fault, device, index, pfault); }
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