diff options
Diffstat (limited to 'drivers/misc/sgi-gru/grukservices.h')
| -rw-r--r-- | drivers/misc/sgi-gru/grukservices.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/misc/sgi-gru/grukservices.h b/drivers/misc/sgi-gru/grukservices.h index 747ed315d56..d60d34bca44 100644 --- a/drivers/misc/sgi-gru/grukservices.h +++ b/drivers/misc/sgi-gru/grukservices.h @@ -146,4 +146,55 @@ extern void *gru_get_next_message(struct gru_message_queue_desc *mqd); extern int gru_copy_gpa(unsigned long dest_gpa, unsigned long src_gpa, unsigned int bytes); +/* + * Reserve GRU resources to be used asynchronously. + * + * input: + * blade_id - blade on which resources should be reserved + * cbrs - number of CBRs + * dsr_bytes - number of DSR bytes needed + * cmp - completion structure for waiting for + * async completions + * output: + * handle to identify resource + * (0 = no resources) + */ +extern unsigned long gru_reserve_async_resources(int blade_id, int cbrs, int dsr_bytes, + struct completion *cmp); + +/* + * Release async resources previously reserved. + * + * input: + * han - handle to identify resources + */ +extern void gru_release_async_resources(unsigned long han); + +/* + * Wait for async GRU instructions to complete. + * + * input: + * han - handle to identify resources + */ +extern void gru_wait_async_cbr(unsigned long han); + +/* + * Lock previous reserved async GRU resources + * + * input: + * han - handle to identify resources + * output: + * cb - pointer to first CBR + * dsr - pointer to first DSR + */ +extern void gru_lock_async_resource(unsigned long han, void **cb, void **dsr); + +/* + * Unlock previous reserved async GRU resources + * + * input: + * han - handle to identify resources + */ +extern void gru_unlock_async_resource(unsigned long han); + #endif /* __GRU_KSERVICES_H_ */ |