Re: [PATCH 2/2] drm/nouveau: move more missing UAPI bits

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On 3/4/24 19:31, Karol Herbst wrote:
Those are already de-facto UAPI, so let's just move it into the uapi
header.

Signed-off-by: Karol Herbst <kherbst@xxxxxxxxxx>

Reviewed-by: Danilo Krummrich <dakr@xxxxxxxxxx>

---
  drivers/gpu/drm/nouveau/nouveau_abi16.c | 20 +++++++++++++++-----
  drivers/gpu/drm/nouveau/nouveau_abi16.h | 12 ------------
  include/uapi/drm/nouveau_drm.h          | 22 ++++++++++++++++++++++
  3 files changed, 37 insertions(+), 17 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c
index cd14f993bdd1b..92f9127b284ac 100644
--- a/drivers/gpu/drm/nouveau/nouveau_abi16.c
+++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c
@@ -312,11 +312,21 @@ nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS)
  	if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) {
  		if (init->fb_ctxdma_handle == ~0) {
  			switch (init->tt_ctxdma_handle) {
-			case 0x01: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_GR    ; break;
-			case 0x02: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_MSPDEC; break;
-			case 0x04: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_MSPPP ; break;
-			case 0x08: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_MSVLD ; break;
-			case 0x30: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_CE    ; break;
+			case NOUVEAU_FIFO_ENGINE_GR:
+				engine = NV_DEVICE_HOST_RUNLIST_ENGINES_GR;
+				break;
+			case NOUVEAU_FIFO_ENGINE_VP:
+				engine = NV_DEVICE_HOST_RUNLIST_ENGINES_MSPDEC;
+				break;
+			case NOUVEAU_FIFO_ENGINE_PPP:
+				engine = NV_DEVICE_HOST_RUNLIST_ENGINES_MSPPP;
+				break;
+			case NOUVEAU_FIFO_ENGINE_BSP:
+				engine = NV_DEVICE_HOST_RUNLIST_ENGINES_MSVLD;
+				break;
+			case NOUVEAU_FIFO_ENGINE_CE:
+				engine = NV_DEVICE_HOST_RUNLIST_ENGINES_CE;
+				break;
  			default:
  				return nouveau_abi16_put(abi16, -ENOSYS);
  			}
diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.h b/drivers/gpu/drm/nouveau/nouveau_abi16.h
index 11c8c4a80079b..661b901d8ecc9 100644
--- a/drivers/gpu/drm/nouveau/nouveau_abi16.h
+++ b/drivers/gpu/drm/nouveau/nouveau_abi16.h
@@ -50,18 +50,6 @@ struct drm_nouveau_grobj_alloc {
  	int      class;
  };
-struct drm_nouveau_notifierobj_alloc {
-	uint32_t channel;
-	uint32_t handle;
-	uint32_t size;
-	uint32_t offset;
-};
-
-struct drm_nouveau_gpuobj_free {
-	int      channel;
-	uint32_t handle;
-};
-
  struct drm_nouveau_setparam {
  	uint64_t param;
  	uint64_t value;
diff --git a/include/uapi/drm/nouveau_drm.h b/include/uapi/drm/nouveau_drm.h
index 77d7ff0d5b110..5404d4cfff4c2 100644
--- a/include/uapi/drm/nouveau_drm.h
+++ b/include/uapi/drm/nouveau_drm.h
@@ -73,6 +73,16 @@ struct drm_nouveau_getparam {
  	__u64 value;
  };
+/*
+ * Those are used to support selecting the main engine used on Kepler.
+ * This goes into drm_nouveau_channel_alloc::tt_ctxdma_handle
+ */
+#define NOUVEAU_FIFO_ENGINE_GR  0x01
+#define NOUVEAU_FIFO_ENGINE_VP  0x02
+#define NOUVEAU_FIFO_ENGINE_PPP 0x04
+#define NOUVEAU_FIFO_ENGINE_BSP 0x08
+#define NOUVEAU_FIFO_ENGINE_CE  0x30
+
  struct drm_nouveau_channel_alloc {
  	__u32     fb_ctxdma_handle;
  	__u32     tt_ctxdma_handle;
@@ -95,6 +105,18 @@ struct drm_nouveau_channel_free {
  	__s32 channel;
  };
+struct drm_nouveau_notifierobj_alloc {
+	__u32 channel;
+	__u32 handle;
+	__u32 size;
+	__u32 offset;
+};
+
+struct drm_nouveau_gpuobj_free {
+	__s32 channel;
+	__u32 handle;
+};
+
  #define NOUVEAU_GEM_DOMAIN_CPU       (1 << 0)
  #define NOUVEAU_GEM_DOMAIN_VRAM      (1 << 1)
  #define NOUVEAU_GEM_DOMAIN_GART      (1 << 2)




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