From 1f75cfd73320476a8f821064391fe368dd4bf75b Mon Sep 17 00:00:00 2001 From: Dave Barach Date: Fri, 14 Apr 2017 16:46:44 -0400 Subject: Fix fifo ooo bugs and improve testing Change-Id: If3c01e318bcb740ca5b240c63f712e2167082a80 Signed-off-by: Dave Barach Signed-off-by: Florin Coras --- src/svm/svm_fifo.h | 21 ++++++++++++++++++--- 1 file changed, 18 insertions(+), 3 deletions(-) (limited to 'src/svm/svm_fifo.h') diff --git a/src/svm/svm_fifo.h b/src/svm/svm_fifo.h index 9beb63f5e46..0fff2577517 100644 --- a/src/svm/svm_fifo.h +++ b/src/svm/svm_fifo.h @@ -36,10 +36,13 @@ typedef struct u32 next; /**< Next linked-list element pool index */ u32 prev; /**< Previous linked-list element pool index */ - u32 fifo_position; /**< Start of segment, normalized*/ + u32 start; /**< Start of segment, normalized*/ u32 length; /**< Length of segment */ } ooo_segment_t; +format_function_t format_ooo_segment; +format_function_t format_ooo_list; + #define OOO_SEGMENT_INVALID_INDEX ((u32)~0) typedef struct @@ -127,6 +130,8 @@ int svm_fifo_dequeue_nowait (svm_fifo_t * f, int pid, u32 max_bytes, int svm_fifo_peek (svm_fifo_t * f, int pid, u32 offset, u32 max_bytes, u8 * copy_here); int svm_fifo_dequeue_drop (svm_fifo_t * f, int pid, u32 max_bytes); +u32 svm_fifo_number_ooo_segments (svm_fifo_t * f); +ooo_segment_t *svm_fifo_first_ooo_segment (svm_fifo_t * f); format_function_t format_svm_fifo; @@ -139,13 +144,23 @@ svm_fifo_newest_ooo_segment (svm_fifo_t * f) always_inline u32 ooo_segment_offset (svm_fifo_t * f, ooo_segment_t * s) { - return ((f->nitems + s->fifo_position - f->tail) % f->nitems); +// return ((f->nitems + s->fifo_position - f->tail) % f->nitems); + return s->start; } always_inline u32 ooo_segment_end_offset (svm_fifo_t * f, ooo_segment_t * s) { - return ((f->nitems + s->fifo_position + s->length - f->tail) % f->nitems); +// return ((f->nitems + s->fifo_position + s->length - f->tail) % f->nitems); + return s->start + s->length; +} + +always_inline ooo_segment_t * +ooo_segment_get_prev (svm_fifo_t * f, ooo_segment_t * s) +{ + if (s->prev == OOO_SEGMENT_INVALID_INDEX) + return 0; + return pool_elt_at_index (f->ooo_segments, s->prev); } #endif /* __included_ssvm_fifo_h__ */ -- cgit 1.2.3-korg