diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fault')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fault/Kbuild | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fault/base.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fault/gp100.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fault/gv100.c | 16 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fault/priv.h | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fault/tu102.c (renamed from drivers/gpu/drm/nouveau/nvkm/subdev/fault/tu104.c) | 39 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fault/user.c | 106 |
7 files changed, 156 insertions, 20 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/Kbuild index 794eb1745b2f..42586267fc08 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/Kbuild +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/Kbuild @@ -1,4 +1,5 @@ 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/gv100.o -nvkm-y += nvkm/subdev/fault/tu104.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 index 4ba1e21e8fda..ca251560d3e0 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/base.c @@ -176,5 +176,7 @@ nvkm_fault_new_(const struct nvkm_fault_func *func, struct nvkm_device *device, return -ENOMEM; nvkm_subdev_ctor(&nvkm_fault, device, index, &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 index 8fb96fe614f9..4f3c4e091117 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/gp100.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/gp100.c @@ -23,6 +23,8 @@ #include <subdev/mc.h> +#include <nvif/class.h> + static void gp100_fault_buffer_intr(struct nvkm_fault_buffer *buffer, bool enable) { @@ -69,6 +71,7 @@ gp100_fault = { .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 diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/gv100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/gv100.c index 6fc54e17c935..6747f09c2dc3 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/gv100.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/gv100.c @@ -25,6 +25,8 @@ #include <subdev/mmu.h> #include <engine/fifo.h> +#include <nvif/class.h> + static void gv100_fault_buffer_process(struct nvkm_fault_buffer *buffer) { @@ -166,6 +168,13 @@ gv100_fault_intr(struct nvkm_fault *fault) } } + 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); } @@ -208,6 +217,13 @@ gv100_fault = { .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 diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/priv.h index 8ca8b2876dad..975e66ac6344 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/priv.h @@ -34,7 +34,14 @@ struct nvkm_fault_func { void (*fini)(struct nvkm_fault_buffer *); void (*intr)(struct nvkm_fault_buffer *, bool enable); } buffer; + struct { + struct nvkm_sclass base; + int rp; + } user; }; 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/tu104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/tu102.c index 9c8a3adf99d7..fa1dfe5692b0 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/tu104.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/tu102.c @@ -28,7 +28,7 @@ #include <nvif/class.h> static void -tu104_fault_buffer_intr(struct nvkm_fault_buffer *buffer, bool enable) +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 @@ -37,7 +37,7 @@ tu104_fault_buffer_intr(struct nvkm_fault_buffer *buffer, bool enable) } static void -tu104_fault_buffer_fini(struct nvkm_fault_buffer *buffer) +tu102_fault_buffer_fini(struct nvkm_fault_buffer *buffer) { struct nvkm_device *device = buffer->fault->subdev.device; const u32 foff = buffer->id * 0x20; @@ -45,7 +45,7 @@ tu104_fault_buffer_fini(struct nvkm_fault_buffer *buffer) } static void -tu104_fault_buffer_init(struct nvkm_fault_buffer *buffer) +tu102_fault_buffer_init(struct nvkm_fault_buffer *buffer) { struct nvkm_device *device = buffer->fault->subdev.device; const u32 foff = buffer->id * 0x20; @@ -57,7 +57,7 @@ tu104_fault_buffer_init(struct nvkm_fault_buffer *buffer) } static void -tu104_fault_buffer_info(struct nvkm_fault_buffer *buffer) +tu102_fault_buffer_info(struct nvkm_fault_buffer *buffer) { struct nvkm_device *device = buffer->fault->subdev.device; const u32 foff = buffer->id * 0x20; @@ -70,7 +70,7 @@ tu104_fault_buffer_info(struct nvkm_fault_buffer *buffer) } static void -tu104_fault_intr_fault(struct nvkm_fault *fault) +tu102_fault_intr_fault(struct nvkm_fault *fault) { struct nvkm_subdev *subdev = &fault->subdev; struct nvkm_device *device = subdev->device; @@ -96,14 +96,14 @@ tu104_fault_intr_fault(struct nvkm_fault *fault) } static void -tu104_fault_intr(struct nvkm_fault *fault) +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) { - tu104_fault_intr_fault(fault); + tu102_fault_intr_fault(fault); nvkm_wr32(device, 0xb83094, 0x80000000); stat &= ~0x80000000; } @@ -129,7 +129,7 @@ tu104_fault_intr(struct nvkm_fault *fault) } static void -tu104_fault_fini(struct nvkm_fault *fault) +tu102_fault_fini(struct nvkm_fault *fault) { nvkm_notify_put(&fault->nrpfb); if (fault->buffer[0]) @@ -138,7 +138,7 @@ tu104_fault_fini(struct nvkm_fault *fault) } static void -tu104_fault_init(struct nvkm_fault *fault) +tu102_fault_init(struct nvkm_fault *fault) { /*XXX: enable priv faults */ fault->func->buffer.init(fault->buffer[0]); @@ -146,22 +146,23 @@ tu104_fault_init(struct nvkm_fault *fault) } static const struct nvkm_fault_func -tu104_fault = { +tu102_fault = { .oneinit = gv100_fault_oneinit, - .init = tu104_fault_init, - .fini = tu104_fault_fini, - .intr = tu104_fault_intr, + .init = tu102_fault_init, + .fini = tu102_fault_fini, + .intr = tu102_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, + .buffer.info = tu102_fault_buffer_info, + .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 -tu104_fault_new(struct nvkm_device *device, int index, +tu102_fault_new(struct nvkm_device *device, int index, struct nvkm_fault **pfault) { - return nvkm_fault_new_(&tu104_fault, device, index, pfault); + return nvkm_fault_new_(&tu102_fault, device, index, 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 000000000000..ac835c9582fd --- /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; +} |