1 files changed, 6 insertions, 2 deletions

diff --git a/libsmctrl.h b/libsmctrl.h
index a8207b4..eca1f70 100644
--- a/libsmctrl.h
+++ b/libsmctrl.h
@@ -1,5 +1,5 @@
 /**
- * Copyright 2023 Joshua Bakita
+ * Copyright 2024 Joshua Bakita
  * Library to control TPC masks on CUDA launches. Co-opts preexisting debug
  * logic in the CUDA driver library, and thus requires a build with -lcuda.
  */
@@ -21,7 +21,7 @@ extern void libsmctrl_set_global_mask(uint64_t mask);
 // (overrides global mask)
 // @param stream A cudaStream_t (aka CUstream_st*) to apply the mask on
 // @param mask   A bitmask of enabled/disabled TPCs (see Notes on Bitmasks)
-// Supported: CUDA 8.0 - CUDA 12.1
+// Supported: CUDA 8.0 - CUDA 12.2, plus 12.4 and 12.6
 extern void libsmctrl_set_stream_mask(void* stream, uint64_t mask);
 extern void libsmctrl_set_stream_mask_ext(void* stream, uint128_t mask);
 // Set TPC mask for the next kernel launch from the caller's CPU thread
@@ -47,6 +47,10 @@ extern void libsmctrl_set_next_mask(uint64_t mask);
  *
  * Note that the bitwise inversion operator (~, as used above) is very useful,
  * just be sure to apply it to 64-bit integer literals only! (~0x1 != ~0x1ull)
+ *
+ * On GPUs with over 64 TPCs, use the _mask_ext() functions to support 128-bit
+ * masks. If using a 64-bit mask on a GPU with more than 64 TPCs, all TPCs with
+ * IDs over 64 will be disabled.
  */
 
 /* INFORMATIONAL FUNCTIONS */