gru: delete user request for fetching chiplet status

[deliverable/linux.git] / drivers / misc / sgi-gru / grulib.h

diff --git a/drivers/misc/sgi-gru/grulib.h b/drivers/misc/sgi-gru/grulib.h
index e56e196a69982e5d4f3b78a3e8e27c544031ea5c..8ed6acbc47c7b6176a8652463e702d897cdc73a7 100644 (file)
--- a/drivers/misc/sgi-gru/grulib.h
+++ b/drivers/misc/sgi-gru/grulib.h
@@ -44,8 +44,11 @@
 /* For user unload context */
 #define GRU_USER_UNLOAD_CONTEXT                _IOWR(GRU_IOCTL_NUM, 9, void *)
 
-/* For fetching GRU chiplet status */
-#define GRU_GET_CHIPLET_STATUS         _IOWR(GRU_IOCTL_NUM, 10, void *)
+/* For dumpping GRU chiplet state */
+#define GRU_DUMP_CHIPLET_STATE         _IOWR(GRU_IOCTL_NUM, 11, void *)
+
+/* For getting gseg statistics */
+#define GRU_GET_GSEG_STATISTICS                _IOWR(GRU_IOCTL_NUM, 12, void *)
 
 /* For user TLB flushing (primarily for tests) */
 #define GRU_USER_FLUSH_TLB             _IOWR(GRU_IOCTL_NUM, 50, void *)
@@ -53,8 +56,26 @@
 /* Get some config options (primarily for tests & emulator) */
 #define GRU_GET_CONFIG_INFO            _IOWR(GRU_IOCTL_NUM, 51, void *)
 
+/* Various kernel self-tests */
+#define GRU_KTEST                      _IOWR(GRU_IOCTL_NUM, 52, void *)
+
 #define CONTEXT_WINDOW_BYTES(th)        (GRU_GSEG_PAGESIZE * (th))
 #define THREAD_POINTER(p, th)          (p + GRU_GSEG_PAGESIZE * (th))
+#define GSEG_START(cb)                 ((void *)((unsigned long)(cb) & ~(GRU_GSEG_PAGESIZE - 1)))
+
+/*
+ * Statictics kept on a per-GTS basis.
+ */
+struct gts_statistics {
+       unsigned long   fmm_tlbdropin;
+       unsigned long   upm_tlbdropin;
+       unsigned long   context_stolen;
+};
+
+struct gru_get_gseg_statistics_req {
+       unsigned long           gseg;
+       struct gts_statistics   stats;
+};
 
 /*
  * Structure used to pass TLB flush parameters to the driver
@@ -83,6 +104,36 @@ struct gru_flush_tlb_req {
        size_t          len;
 };
 
+/*
+ * Structure used to pass TLB flush parameters to the driver
+ */
+enum {dcs_pid, dcs_gid};
+struct gru_dump_chiplet_state_req {
+       unsigned int    op;
+       int             gid;
+       int             ctxnum;
+       char            data_opt;
+       char            lock_cch;
+       pid_t           pid;
+       void            *buf;
+       size_t          buflen;
+       /* ---- output --- */
+       unsigned int    num_contexts;
+};
+
+#define GRU_DUMP_MAGIC 0x3474ab6c
+struct gru_dump_context_header {
+       unsigned int    magic;
+       unsigned char   gid;
+       unsigned char   ctxnum;
+       unsigned char   cbrcnt;
+       unsigned char   dsrcnt;
+       pid_t           pid;
+       unsigned long   vaddr;
+       int             cch_locked;
+       unsigned long   data[0];
+};
+
 /*
  * GRU configuration info (temp - for testing)
  */