diff options
Diffstat (limited to 'drivers/misc/sgi-gru/grulib.h')
| -rw-r--r-- | drivers/misc/sgi-gru/grulib.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/misc/sgi-gru/grulib.h b/drivers/misc/sgi-gru/grulib.h index 87586551d16f..c5865dd19eec 100644 --- a/drivers/misc/sgi-gru/grulib.h +++ b/drivers/misc/sgi-gru/grulib.h @@ -50,6 +50,9 @@ /* 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 *) @@ -61,6 +64,21 @@ #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 |