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| author | Ben Skeggs <bskeggs@redhat.com> | 2018-05-08 13:39:46 +0300 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2018-05-18 08:01:21 +0300 |
| commit | c5c9127b25b2946369877d16b3c208cf54d4bf54 (patch) | |
| tree | 076d07e3f9defef3378c00feddd478923c168fc4 /drivers/gpu/drm/nouveau/include | |
| parent | f5650478ab07c0921127a6a0735253b64073e978 (diff) | |
| download | linux-c5c9127b25b2946369877d16b3c208cf54d4bf54.tar.xz | |
drm/nouveau/device: implement a generic method to query device-specific properties
We have a need to fetch data from GPU-specific sub-devices that is not
tied to any particular engine object.
This commit provides the framework to support such queries.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/include')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvif/cl0080.h | 16 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/core/engine.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h | 2 |
3 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl0080.h b/drivers/gpu/drm/nouveau/include/nvif/cl0080.h index 2740278d226b..51a4af6a77eb 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/cl0080.h +++ b/drivers/gpu/drm/nouveau/include/nvif/cl0080.h @@ -39,9 +39,25 @@ struct nv_device_info_v0 { char name[64]; }; +struct nv_device_info_v1 { + __u8 version; + __u8 count; + __u8 pad02[6]; + struct nv_device_info_v1_data { + __u64 mthd; /* NV_DEVICE_INFO_* (see below). */ + __u64 data; + } data[]; +}; + struct nv_device_time_v0 { __u8 version; __u8 pad01[7]; __u64 time; }; + +#define NV_DEVICE_INFO_UNIT (0xffffffffULL << 32) +#define NV_DEVICE_INFO(n) ((n) | (0x00000000ULL << 32)) + +/* This will be returned for unsupported queries. */ +#define NV_DEVICE_INFO_INVALID ~0ULL #endif diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h b/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h index ebf8473a39fe..8a2be5b635e2 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h @@ -18,6 +18,7 @@ struct nvkm_engine_func { void *(*dtor)(struct nvkm_engine *); void (*preinit)(struct nvkm_engine *); int (*oneinit)(struct nvkm_engine *); + int (*info)(struct nvkm_engine *, u64 mthd, u64 *data); int (*init)(struct nvkm_engine *); int (*fini)(struct nvkm_engine *, bool suspend); void (*intr)(struct nvkm_engine *); diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h b/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h index 63df2290177f..85a0777c2ce4 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h @@ -17,6 +17,7 @@ struct nvkm_subdev_func { void *(*dtor)(struct nvkm_subdev *); int (*preinit)(struct nvkm_subdev *); int (*oneinit)(struct nvkm_subdev *); + int (*info)(struct nvkm_subdev *, u64 mthd, u64 *data); int (*init)(struct nvkm_subdev *); int (*fini)(struct nvkm_subdev *, bool suspend); void (*intr)(struct nvkm_subdev *); @@ -29,6 +30,7 @@ void nvkm_subdev_del(struct nvkm_subdev **); int nvkm_subdev_preinit(struct nvkm_subdev *); int nvkm_subdev_init(struct nvkm_subdev *); int nvkm_subdev_fini(struct nvkm_subdev *, bool suspend); +int nvkm_subdev_info(struct nvkm_subdev *, u64, u64 *); void nvkm_subdev_intr(struct nvkm_subdev *); /* subdev logging */ |