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Commit 13e95729 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/fault/gp100: expose MaxwellFaultBufferA 



This nvclass exposes the replayable fault buffer, which will be used
by SVM to manage GPU page faults.

Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent ab2ee9ff

drivers/gpu/drm/nouveau/include/nvif/class.h

+2 −0
Original line number Diff line number Diff line
@@ -54,6 +54,8 @@ 


#define VOLTA_USERMODE_A                                             0x0000c361



#define MAXWELL_FAULT_BUFFER_A                        /* clb069.h */ 0x0000b069



#define NV03_CHANNEL_DMA                              /* cl506b.h */ 0x0000006b

#define NV10_CHANNEL_DMA                              /* cl506b.h */ 0x0000006e

#define NV17_CHANNEL_DMA                              /* cl506b.h */ 0x0000176e

drivers/gpu/drm/nouveau/include/nvif/clb069.h

0 → 100644
+12 −0
Original line number Diff line number Diff line 
#ifndef __NVIF_CLB069_H__

#define __NVIF_CLB069_H__

struct nvif_clb069_v0 {

	__u8  version;

	__u8  pad01[3];

	__u32 entries;

	__u32 get;

	__u32 put;

};



#define NVB069_V0_NTFY_FAULT                                                0x00

#endif

drivers/gpu/drm/nouveau/include/nvkm/subdev/fault.h

+2 −0
Original line number Diff line number Diff line
@@ -13,6 +13,8 @@ struct nvkm_fault { 
	struct nvkm_event event;



	struct nvkm_notify nrpfb;



	struct nvkm_device_oclass user;

};



struct nvkm_fault_data {

drivers/gpu/drm/nouveau/nvkm/engine/device/user.c

+7 −8
Original line number Diff line number Diff line
@@ -365,16 +365,15 @@ nvkm_udevice_child_get(struct nvkm_object *object, int index, 
	}



	if (!sclass) {

		switch (index) {

		case 0: sclass = &nvkm_control_oclass; break;

		case 1:

			if (!device->mmu)

				return -EINVAL;

		if (index-- == 0)

			sclass = &nvkm_control_oclass;

		else if (device->mmu && index-- == 0)

			sclass = &device->mmu->user;

			break;

		default:

		else if (device->fault && index-- == 0)

			sclass = &device->fault->user;

		else

			return -EINVAL;

		}



		oclass->base = sclass->base;

	}

drivers/gpu/drm/nouveau/nvkm/subdev/fault/Kbuild

+1 −0
Original line number Diff line number Diff line 
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/tu102.o