felipecrv commented on code in PR #43853:
URL: https://github.com/apache/arrow/pull/43853#discussion_r1733535396
##########
cpp/src/arrow/type_fwd.h:
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@@ -724,4 +724,23 @@ ARROW_EXPORT MemoryPool* default_memory_pool();
constexpr int64_t kDefaultBufferAlignment = 64;
+/// \brief EXPERIMENTAL: Device type enum which matches up with C Data Device
types
+enum class DeviceAllocationType : char {
+ kCPU = 1,
+ kCUDA = 2,
+ kCUDA_HOST = 3,
+ kOPENCL = 4,
+ kVULKAN = 7,
+ kMETAL = 8,
+ kVPI = 9,
+ kROCM = 10,
+ kROCM_HOST = 11,
+ kEXT_DEV = 12,
+ kCUDA_MANAGED = 13,
+ kONEAPI = 14,
+ kWEBGPU = 15,
+ kHEXAGON = 16,
+};
+constexpr int kDeviceAllocationTypeMax = 16;
+
Review Comment:
But I added a forward declaration to it nevertheless.
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