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| author |   Jack Steiner <steiner@sgi.com> | 2009-06-17 16:28:19 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-18 13:03:59 -0700 |
| commit | 9cc9b056ea51608788609d7e26c7db55ef81bb2e (patch) | |
| tree | e6381d7575babaee9658c5a2bc007a8dd2ec49ae /drivers/misc/sgi-gru/grutables.h | |
| parent | gru: bug fixes for GRU exception handling (diff) | |
| download | linux-dev-9cc9b056ea51608788609d7e26c7db55ef81bb2e.tar.xz linux-dev-9cc9b056ea51608788609d7e26c7db55ef81bb2e.zip | |
gru: dump chiplet state
Add support for dumpping the state of an entire GRU chiplet.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
| -rw-r--r-- | drivers/misc/sgi-gru/grutables.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h index ebf6183c1635..d768f54dc259 100644 --- a/drivers/misc/sgi-gru/grutables.h +++ b/drivers/misc/sgi-gru/grutables.h @@ -554,6 +554,12 @@ struct gru_blade_state { /* Lock hierarchy checking enabled only in emulator */ +/* 0 = lock failed, 1 = locked */ +static inline int __trylock_handle(void *h) +{ + return !test_and_set_bit(1, h); +} + static inline void __lock_handle(void *h) { while (test_and_set_bit(1, h)) @@ -565,6 +571,11 @@ static inline void __unlock_handle(void *h) clear_bit(1, h); } +static inline int trylock_cch_handle(struct gru_context_configuration_handle *cch) +{ + return __trylock_handle(cch); +} + static inline void lock_cch_handle(struct gru_context_configuration_handle *cch) { __lock_handle(cch); @@ -606,6 +617,7 @@ extern void gts_drop(struct gru_thread_state *gts); extern void gru_tgh_flush_init(struct gru_state *gru); extern int gru_kservices_init(struct gru_state *gru); extern void gru_kservices_exit(struct gru_state *gru); +extern int gru_dump_chiplet_request(unsigned long arg); extern irqreturn_t gru_intr(int irq, void *dev_id); extern int gru_handle_user_call_os(unsigned long address); extern int gru_user_flush_tlb(unsigned long arg); |