diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fault')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fault/Kbuild | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fault/base.c | 183 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fault/gp100.c | 89 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fault/gp10b.c | 53 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fault/gv100.c | 235 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fault/priv.h | 57 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fault/tu102.c | 188 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fault/user.c | 106 |
8 files changed, 918 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/Kbuild new file mode 100644 index 000000000..d65ec719f --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/Kbuild @@ -0,0 +1,7 @@ +# SPDX-License-Identifier: MIT +nvkm-y += nvkm/subdev/fault/base.o +nvkm-y += nvkm/subdev/fault/user.o +nvkm-y += nvkm/subdev/fault/gp100.o +nvkm-y += nvkm/subdev/fault/gp10b.o +nvkm-y += nvkm/subdev/fault/gv100.o +nvkm-y += nvkm/subdev/fault/tu102.o diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/base.c new file mode 100644 index 000000000..fd54fa504 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/base.c @@ -0,0 +1,183 @@ +/* + * 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 <core/notify.h> + +static void +nvkm_fault_ntfy_fini(struct nvkm_event *event, int type, int index) +{ + struct nvkm_fault *fault = container_of(event, typeof(*fault), event); + fault->func->buffer.intr(fault->buffer[index], false); +} + +static void +nvkm_fault_ntfy_init(struct nvkm_event *event, int type, int index) +{ + struct nvkm_fault *fault = container_of(event, typeof(*fault), event); + fault->func->buffer.intr(fault->buffer[index], true); +} + +static int +nvkm_fault_ntfy_ctor(struct nvkm_object *object, void *argv, u32 argc, + struct nvkm_notify *notify) +{ + struct nvkm_fault_buffer *buffer = nvkm_fault_buffer(object); + if (argc == 0) { + notify->size = 0; + notify->types = 1; + notify->index = buffer->id; + return 0; + } + return -ENOSYS; +} + +static const struct nvkm_event_func +nvkm_fault_ntfy = { + .ctor = nvkm_fault_ntfy_ctor, + .init = nvkm_fault_ntfy_init, + .fini = nvkm_fault_ntfy_fini, +}; + +static void +nvkm_fault_intr(struct nvkm_subdev *subdev) +{ + struct nvkm_fault *fault = nvkm_fault(subdev); + return fault->func->intr(fault); +} + +static int +nvkm_fault_fini(struct nvkm_subdev *subdev, bool suspend) +{ + struct nvkm_fault *fault = nvkm_fault(subdev); + if (fault->func->fini) + fault->func->fini(fault); + return 0; +} + +static int +nvkm_fault_init(struct nvkm_subdev *subdev) +{ + struct nvkm_fault *fault = nvkm_fault(subdev); + if (fault->func->init) + fault->func->init(fault); + return 0; +} + +static int +nvkm_fault_oneinit_buffer(struct nvkm_fault *fault, int id) +{ + struct nvkm_subdev *subdev = &fault->subdev; + struct nvkm_device *device = subdev->device; + struct nvkm_fault_buffer *buffer; + int ret; + + if (!(buffer = kzalloc(sizeof(*buffer), GFP_KERNEL))) + return -ENOMEM; + buffer->fault = fault; + buffer->id = id; + fault->func->buffer.info(buffer); + fault->buffer[id] = buffer; + + nvkm_debug(subdev, "buffer %d: %d entries\n", id, buffer->entries); + + ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, buffer->entries * + fault->func->buffer.entry_size, 0x1000, true, + &buffer->mem); + if (ret) + return ret; + + /* Pin fault buffer in BAR2. */ + buffer->addr = fault->func->buffer.pin(buffer); + if (buffer->addr == ~0ULL) + return -EFAULT; + + return 0; +} + +static int +nvkm_fault_oneinit(struct nvkm_subdev *subdev) +{ + struct nvkm_fault *fault = nvkm_fault(subdev); + int ret, i; + + for (i = 0; i < ARRAY_SIZE(fault->buffer); i++) { + if (i < fault->func->buffer.nr) { + ret = nvkm_fault_oneinit_buffer(fault, i); + if (ret) + return ret; + fault->buffer_nr = i + 1; + } + } + + ret = nvkm_event_init(&nvkm_fault_ntfy, 1, fault->buffer_nr, + &fault->event); + if (ret) + return ret; + + if (fault->func->oneinit) + ret = fault->func->oneinit(fault); + return ret; +} + +static void * +nvkm_fault_dtor(struct nvkm_subdev *subdev) +{ + struct nvkm_fault *fault = nvkm_fault(subdev); + int i; + + nvkm_notify_fini(&fault->nrpfb); + nvkm_event_fini(&fault->event); + + for (i = 0; i < fault->buffer_nr; i++) { + if (fault->buffer[i]) { + nvkm_memory_unref(&fault->buffer[i]->mem); + kfree(fault->buffer[i]); + } + } + + return fault; +} + +static const struct nvkm_subdev_func +nvkm_fault = { + .dtor = nvkm_fault_dtor, + .oneinit = nvkm_fault_oneinit, + .init = nvkm_fault_init, + .fini = nvkm_fault_fini, + .intr = nvkm_fault_intr, +}; + +int +nvkm_fault_new_(const struct nvkm_fault_func *func, struct nvkm_device *device, + enum nvkm_subdev_type type, int inst, struct nvkm_fault **pfault) +{ + struct nvkm_fault *fault; + if (!(fault = *pfault = kzalloc(sizeof(*fault), GFP_KERNEL))) + return -ENOMEM; + nvkm_subdev_ctor(&nvkm_fault, device, type, inst, &fault->subdev); + fault->func = func; + fault->user.ctor = nvkm_ufault_new; + fault->user.base = func->user.base; + return 0; +} 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); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/gp10b.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/gp10b.c new file mode 100644 index 000000000..89e0bc96f --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/gp10b.c @@ -0,0 +1,53 @@ +/* + * Copyright (c) 2019 NVIDIA Corporation. + * + * 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 <nvif/class.h> + +u64 +gp10b_fault_buffer_pin(struct nvkm_fault_buffer *buffer) +{ + return nvkm_memory_addr(buffer->mem); +} + +static const struct nvkm_fault_func +gp10b_fault = { + .intr = gp100_fault_intr, + .buffer.nr = 1, + .buffer.entry_size = 32, + .buffer.info = gp100_fault_buffer_info, + .buffer.pin = gp10b_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 +gp10b_fault_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_fault **pfault) +{ + return nvkm_fault_new_(&gp10b_fault, device, type, inst, pfault); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/gv100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/gv100.c new file mode 100644 index 000000000..cd9d2ade5 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/gv100.c @@ -0,0 +1,235 @@ +/* + * 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 +gv100_fault_buffer_process(struct nvkm_fault_buffer *buffer) +{ + struct nvkm_device *device = buffer->fault->subdev.device; + struct nvkm_memory *mem = buffer->mem; + u32 get = nvkm_rd32(device, buffer->get); + u32 put = nvkm_rd32(device, buffer->put); + if (put == get) + return; + + nvkm_kmap(mem); + while (get != put) { + const u32 base = get * buffer->fault->func->buffer.entry_size; + const u32 instlo = nvkm_ro32(mem, base + 0x00); + const u32 insthi = nvkm_ro32(mem, base + 0x04); + const u32 addrlo = nvkm_ro32(mem, base + 0x08); + const u32 addrhi = nvkm_ro32(mem, base + 0x0c); + const u32 timelo = nvkm_ro32(mem, base + 0x10); + const u32 timehi = nvkm_ro32(mem, base + 0x14); + const u32 info0 = nvkm_ro32(mem, base + 0x18); + const u32 info1 = nvkm_ro32(mem, base + 0x1c); + struct nvkm_fault_data info; + + if (++get == buffer->entries) + get = 0; + nvkm_wr32(device, buffer->get, get); + + info.addr = ((u64)addrhi << 32) | addrlo; + info.inst = ((u64)insthi << 32) | instlo; + info.time = ((u64)timehi << 32) | timelo; + 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_done(mem); +} + +static void +gv100_fault_buffer_intr(struct nvkm_fault_buffer *buffer, bool enable) +{ + struct nvkm_device *device = buffer->fault->subdev.device; + const u32 intr = buffer->id ? 0x08000000 : 0x20000000; + if (enable) + nvkm_mask(device, 0x100a2c, intr, intr); + else + nvkm_mask(device, 0x100a34, intr, intr); +} + +static void +gv100_fault_buffer_fini(struct nvkm_fault_buffer *buffer) +{ + struct nvkm_device *device = buffer->fault->subdev.device; + const u32 foff = buffer->id * 0x14; + nvkm_mask(device, 0x100e34 + foff, 0x80000000, 0x00000000); +} + +static void +gv100_fault_buffer_init(struct nvkm_fault_buffer *buffer) +{ + struct nvkm_device *device = buffer->fault->subdev.device; + const u32 foff = buffer->id * 0x14; + + nvkm_mask(device, 0x100e34 + foff, 0xc0000000, 0x40000000); + nvkm_wr32(device, 0x100e28 + foff, upper_32_bits(buffer->addr)); + nvkm_wr32(device, 0x100e24 + foff, lower_32_bits(buffer->addr)); + nvkm_mask(device, 0x100e34 + foff, 0x80000000, 0x80000000); +} + +static void +gv100_fault_buffer_info(struct nvkm_fault_buffer *buffer) +{ + struct nvkm_device *device = buffer->fault->subdev.device; + const u32 foff = buffer->id * 0x14; + + nvkm_mask(device, 0x100e34 + foff, 0x40000000, 0x40000000); + + buffer->entries = nvkm_rd32(device, 0x100e34 + foff) & 0x000fffff; + buffer->get = 0x100e2c + foff; + buffer->put = 0x100e30 + foff; +} + +static int +gv100_fault_ntfy_nrpfb(struct nvkm_notify *notify) +{ + struct nvkm_fault *fault = container_of(notify, typeof(*fault), nrpfb); + gv100_fault_buffer_process(fault->buffer[0]); + return NVKM_NOTIFY_KEEP; +} + +static void +gv100_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, 0x100e4c); + const u32 addrhi = nvkm_rd32(device, 0x100e50); + const u32 info0 = nvkm_rd32(device, 0x100e54); + const u32 insthi = nvkm_rd32(device, 0x100e58); + const u32 info1 = nvkm_rd32(device, 0x100e5c); + + 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 +gv100_fault_intr(struct nvkm_fault *fault) +{ + struct nvkm_subdev *subdev = &fault->subdev; + struct nvkm_device *device = subdev->device; + u32 stat = nvkm_rd32(device, 0x100a20); + + if (stat & 0x80000000) { + gv100_fault_intr_fault(fault); + nvkm_wr32(device, 0x100e60, 0x80000000); + stat &= ~0x80000000; + } + + if (stat & 0x20000000) { + if (fault->buffer[0]) { + nvkm_event_send(&fault->event, 1, 0, NULL, 0); + stat &= ~0x20000000; + } + } + + if (stat & 0x08000000) { + if (fault->buffer[1]) { + nvkm_event_send(&fault->event, 1, 1, NULL, 0); + stat &= ~0x08000000; + } + } + + if (stat) { + nvkm_debug(subdev, "intr %08x\n", stat); + } +} + +static void +gv100_fault_fini(struct nvkm_fault *fault) +{ + nvkm_notify_put(&fault->nrpfb); + if (fault->buffer[0]) + fault->func->buffer.fini(fault->buffer[0]); + nvkm_mask(fault->subdev.device, 0x100a34, 0x80000000, 0x80000000); +} + +static void +gv100_fault_init(struct nvkm_fault *fault) +{ + nvkm_mask(fault->subdev.device, 0x100a2c, 0x80000000, 0x80000000); + fault->func->buffer.init(fault->buffer[0]); + nvkm_notify_get(&fault->nrpfb); +} + +int +gv100_fault_oneinit(struct nvkm_fault *fault) +{ + return nvkm_notify_init(&fault->buffer[0]->object, &fault->event, + gv100_fault_ntfy_nrpfb, true, NULL, 0, 0, + &fault->nrpfb); +} + +static const struct nvkm_fault_func +gv100_fault = { + .oneinit = gv100_fault_oneinit, + .init = gv100_fault_init, + .fini = gv100_fault_fini, + .intr = gv100_fault_intr, + .buffer.nr = 2, + .buffer.entry_size = 32, + .buffer.info = gv100_fault_buffer_info, + .buffer.pin = gp100_fault_buffer_pin, + .buffer.init = gv100_fault_buffer_init, + .buffer.fini = gv100_fault_buffer_fini, + .buffer.intr = gv100_fault_buffer_intr, + /*TODO: Figure out how to expose non-replayable fault buffer, which, + * for some reason, is where recoverable CE faults appear... + * + * It's a bit tricky, as both NVKM and SVM will need access to + * the non-replayable fault buffer. + */ + .user = { { 0, 0, VOLTA_FAULT_BUFFER_A }, 1 }, +}; + +int +gv100_fault_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_fault **pfault) +{ + return nvkm_fault_new_(&gv100_fault, device, type, inst, pfault); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/priv.h new file mode 100644 index 000000000..36681c347 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/priv.h @@ -0,0 +1,57 @@ +#ifndef __NVKM_FAULT_PRIV_H__ +#define __NVKM_FAULT_PRIV_H__ +#define nvkm_fault_buffer(p) container_of((p), struct nvkm_fault_buffer, object) +#define nvkm_fault(p) container_of((p), struct nvkm_fault, subdev) +#include <subdev/fault.h> + +#include <core/event.h> +#include <core/object.h> + +struct nvkm_fault_buffer { + struct nvkm_object object; + struct nvkm_fault *fault; + int id; + int entries; + u32 get; + u32 put; + struct nvkm_memory *mem; + u64 addr; +}; + +int nvkm_fault_new_(const struct nvkm_fault_func *, struct nvkm_device *, enum nvkm_subdev_type, + int inst, struct nvkm_fault **); + +struct nvkm_fault_func { + int (*oneinit)(struct nvkm_fault *); + void (*init)(struct nvkm_fault *); + void (*fini)(struct nvkm_fault *); + void (*intr)(struct nvkm_fault *); + struct { + int nr; + u32 entry_size; + void (*info)(struct nvkm_fault_buffer *); + u64 (*pin)(struct nvkm_fault_buffer *); + void (*init)(struct nvkm_fault_buffer *); + void (*fini)(struct nvkm_fault_buffer *); + void (*intr)(struct nvkm_fault_buffer *, bool enable); + } buffer; + struct { + struct nvkm_sclass base; + int rp; + } user; +}; + +void gp100_fault_buffer_intr(struct nvkm_fault_buffer *, bool enable); +void gp100_fault_buffer_fini(struct nvkm_fault_buffer *); +void gp100_fault_buffer_init(struct nvkm_fault_buffer *); +u64 gp100_fault_buffer_pin(struct nvkm_fault_buffer *); +void gp100_fault_buffer_info(struct nvkm_fault_buffer *); +void gp100_fault_intr(struct nvkm_fault *); + +u64 gp10b_fault_buffer_pin(struct nvkm_fault_buffer *); + +int gv100_fault_oneinit(struct nvkm_fault *); + +int nvkm_ufault_new(struct nvkm_device *, const struct nvkm_oclass *, + void *, u32, struct nvkm_object **); +#endif diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/tu102.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/tu102.c new file mode 100644 index 000000000..91eb6729c --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/tu102.c @@ -0,0 +1,188 @@ +/* + * 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 <subdev/mmu.h> +#include <engine/fifo.h> + +#include <nvif/class.h> + +static void +tu102_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.. + */ + struct nvkm_device *device = buffer->fault->subdev.device; + + nvkm_mc_intr_mask(device, NVKM_SUBDEV_FAULT, 0, enable); +} + +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; + + /* Disable the fault interrupts */ + nvkm_wr32(device, 0xb81408, 0x1); + nvkm_wr32(device, 0xb81410, 0x10); + + 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; + + /* Enable the fault interrupts */ + nvkm_wr32(device, 0xb81208, 0x1); + nvkm_wr32(device, 0xb81210, 0x10); + + 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 void +tu102_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 +tu102_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) { + tu102_fault_intr_fault(fault); + nvkm_wr32(device, 0xb83094, 0x80000000); + stat &= ~0x80000000; + } + + if (stat & 0x00000200) { + /* Clear the associated interrupt flag */ + nvkm_wr32(device, 0xb81010, 0x10); + + if (fault->buffer[0]) { + nvkm_event_send(&fault->event, 1, 0, NULL, 0); + stat &= ~0x00000200; + } + } + + /* Replayable MMU fault */ + if (stat & 0x00000100) { + /* Clear the associated interrupt flag */ + nvkm_wr32(device, 0xb81008, 0x1); + + 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 +tu102_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 +tu102_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 +tu102_fault = { + .oneinit = gv100_fault_oneinit, + .init = tu102_fault_init, + .fini = tu102_fault_fini, + .intr = tu102_fault_intr, + .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) +{ + return nvkm_fault_new_(&tu102_fault, device, type, inst, pfault); +} 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 <core/memory.h> +#include <subdev/mmu.h> + +#include <nvif/clb069.h> +#include <nvif/unpack.h> + +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; +} |