[RFC PATCH 03/13] drm/nouveau/core: define engine for handling replayable faults

[jglisse at redhat.com]

From: Ben Skeggs <bskeggs at redhat.com>

Signed-off-by: Ben Skeggs <bskeggs at redhat.com>
---
 drivers/gpu/drm/nouveau/include/nvkm/core/device.h  | 3 +++
 drivers/gpu/drm/nouveau/include/nvkm/engine/fault.h | 4 ++++
 drivers/gpu/drm/nouveau/nvkm/core/subdev.c          | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/Kbuild          | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/device/base.c   | 2 ++
 drivers/gpu/drm/nouveau/nvkm/engine/device/priv.h   | 1 +
 drivers/gpu/drm/nouveau/nvkm/engine/fault/Kbuild    | 0
 7 files changed, 12 insertions(+)
 create mode 100644 drivers/gpu/drm/nouveau/include/nvkm/engine/fault.h
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/fault/Kbuild

diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/device.h b/drivers/gpu/drm/nouveau/include/nvkm/core/device.h
index 560265b15ec2..de3d2566ee4d 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/device.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/device.h
@@ -42,6 +42,7 @@ enum nvkm_devidx {
 	NVKM_ENGINE_CIPHER,
 	NVKM_ENGINE_DISP,
 	NVKM_ENGINE_DMAOBJ,
+	NVKM_ENGINE_FAULT,
 	NVKM_ENGINE_FIFO,
 	NVKM_ENGINE_GR,
 	NVKM_ENGINE_IFB,
@@ -147,6 +148,7 @@ struct nvkm_device {
 	struct nvkm_engine *cipher;
 	struct nvkm_disp *disp;
 	struct nvkm_dma *dma;
+	struct nvkm_engine *fault;
 	struct nvkm_fifo *fifo;
 	struct nvkm_gr *gr;
 	struct nvkm_engine *ifb;
@@ -218,6 +220,7 @@ struct nvkm_device_chip {
 	int (*cipher  )(struct nvkm_device *, int idx, struct nvkm_engine **);
 	int (*disp    )(struct nvkm_device *, int idx, struct nvkm_disp **);
 	int (*dma     )(struct nvkm_device *, int idx, struct nvkm_dma **);
+	int (*fault   )(struct nvkm_device *, int idx, struct nvkm_engine **);
 	int (*fifo    )(struct nvkm_device *, int idx, struct nvkm_fifo **);
 	int (*gr      )(struct nvkm_device *, int idx, struct nvkm_gr **);
 	int (*ifb     )(struct nvkm_device *, int idx, struct nvkm_engine **);
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/fault.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/fault.h
new file mode 100644
index 000000000000..398ca5a02eee
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/fault.h
@@ -0,0 +1,4 @@
+#ifndef __NVKM_FAULT_H__
+#define __NVKM_FAULT_H__
+#include <core/engine.h>
+#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/subdev.c b/drivers/gpu/drm/nouveau/nvkm/core/subdev.c
index a134d225f958..0d50b2206da2 100644
--- a/drivers/gpu/drm/nouveau/nvkm/core/subdev.c
+++ b/drivers/gpu/drm/nouveau/nvkm/core/subdev.c
@@ -63,6 +63,7 @@ nvkm_subdev_name[NVKM_SUBDEV_NR] = {
 	[NVKM_ENGINE_CIPHER  ] = "cipher",
 	[NVKM_ENGINE_DISP    ] = "disp",
 	[NVKM_ENGINE_DMAOBJ  ] = "dma",
+	[NVKM_ENGINE_FAULT   ] = "fault",
 	[NVKM_ENGINE_FIFO    ] = "fifo",
 	[NVKM_ENGINE_GR      ] = "gr",
 	[NVKM_ENGINE_IFB     ] = "ifb",
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/Kbuild
index 78571e8b01c5..3aa90a6d5392 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/Kbuild
@@ -7,6 +7,7 @@ include $(src)/nvkm/engine/cipher/Kbuild
 include $(src)/nvkm/engine/device/Kbuild
 include $(src)/nvkm/engine/disp/Kbuild
 include $(src)/nvkm/engine/dma/Kbuild
+include $(src)/nvkm/engine/fault/Kbuild
 include $(src)/nvkm/engine/fifo/Kbuild
 include $(src)/nvkm/engine/gr/Kbuild
 include $(src)/nvkm/engine/mpeg/Kbuild
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
index 05cd674326a6..2fe862ac0d95 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
@@ -2466,6 +2466,7 @@ nvkm_device_engine(struct nvkm_device *device, int index)
 	_(CIPHER , device->cipher  ,  device->cipher);
 	_(DISP   , device->disp    , &device->disp->engine);
 	_(DMAOBJ , device->dma     , &device->dma->engine);
+	_(FAULT  , device->fault   ,  device->fault);
 	_(FIFO   , device->fifo    , &device->fifo->engine);
 	_(GR     , device->gr      , &device->gr->engine);
 	_(IFB    , device->ifb     ,  device->ifb);
@@ -2919,6 +2920,7 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
 		_(NVKM_ENGINE_CIPHER  ,   cipher);
 		_(NVKM_ENGINE_DISP    ,     disp);
 		_(NVKM_ENGINE_DMAOBJ  ,      dma);
+		_(NVKM_ENGINE_FAULT   ,    fault);
 		_(NVKM_ENGINE_FIFO    ,     fifo);
 		_(NVKM_ENGINE_GR      ,       gr);
 		_(NVKM_ENGINE_IFB     ,      ifb);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/device/priv.h
index 08d0bf605722..3be45ac6e58d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/priv.h
@@ -32,6 +32,7 @@
 #include <engine/cipher.h>
 #include <engine/disp.h>
 #include <engine/dma.h>
+#include <engine/fault.h>
 #include <engine/fifo.h>
 #include <engine/gr.h>
 #include <engine/mpeg.h>
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fault/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/fault/Kbuild
new file mode 100644
index 000000000000..e69de29bb2d1
-- 
2.14.3