1 files changed, 15 insertions, 5 deletions

diff --git a/nvdebug.h b/nvdebug.h
index 6a2383e..7564f8c 100644
--- a/nvdebug.h
+++ b/nvdebug.h
@@ -274,7 +274,7 @@ typedef union {
 
   We only document the *_PFIFO_ENG_RUNLIST_*(i) read-only registers here (where
   i is a runlist index). Runlists are configured via the seperate, writable
-  *_PFIFO_RUNLIST_* register; see open-gpu-doc for more on that.
+  *_PFIFO_RUNLIST_* register; see open-gpu-doc for more.
 
   LEN         : Number of entries in runlist
   IS_PENDING  : Is runlist committed?
@@ -284,18 +284,25 @@ typedef union {
   Support: Fermi*, Kepler, Maxwell, Pascal, Volta
   *Fermi may expose this information 8 bytes earlier, starting at 0x227C?
 */
+#define NV_PFIFO_RUNLIST_BASE_GF100 0x00002270 // Write-only
 #define NV_PFIFO_ENG_RUNLIST_BASE_GF100(i) (0x00002280+(i)*8) // Read-only
 typedef union {
         struct {
                 // NV_PFIFO_ENG_RUNLIST_BASE_* fields
                 uint32_t ptr:28;
                 enum INST_TARGET target:2;
-                 uint32_t padding1:2;
+                 uint32_t :2;
                 // NV_PFIFO_ENG_RUNLIST_* fields
                 uint16_t len:16;
-                 uint32_t padding2:4;
-                bool is_pending:1;
-                 uint32_t padding3:11;
+                 uint32_t :4;
+                bool is_pending:1; // Read-only from NV_PFIFO_ENG_RUNLIST...
+                 uint32_t :11;
+        } __attribute__((packed));
+        struct {
+                // NV_PFIFO_RUNLIST_* fields that differ from NV_PFIFO_ENG_RUNLIST_*
+                 uint64_t :52;
+                uint32_t id:4; // Write-only to NV_PFIFO_RUNLIST...
+                 uint32_t :8;
         } __attribute__((packed));
         uint64_t raw;
 } eng_runlist_gf100_t;
@@ -311,6 +318,9 @@ typedef union {
 // Support: Turing
 #define NV_PFIFO_RUNLIST_BASE_TU102(i) (0x00002B00+(i)*16) // Read/write
 #define NV_PFIFO_RUNLIST_SUBMIT_TU102(i) (0x00002B08+(i)*16) // Read/write
+// Derived absolute maximum number of runlists
+#define MAX_RUNLISTS_TU102 80 // On Turing; another register is at 0x00003000
+#define MAX_RUNLISTS_GF100 34 // On Volta-; another register is at 0x00002390
 typedef union {
         struct {
                 enum INST_TARGET target:2;