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Signed-off-by: Jun Yang --- drivers/dma/dpaa/dpaa_qdma.c | 180 +++++++++++++++++++---------------- drivers/dma/dpaa/dpaa_qdma.h | 2 +- 2 files changed, 98 insertions(+), 84 deletions(-) diff --git a/drivers/dma/dpaa/dpaa_qdma.c b/drivers/dma/dpaa/dpaa_qdma.c index 8f5b6c6ea5..383142fc75 100644 --- a/drivers/dma/dpaa/dpaa_qdma.c +++ b/drivers/dma/dpaa/dpaa_qdma.c @@ -584,17 +584,15 @@ dpaa_qdma_block_dequeue(struct fsl_qdma_engine *fsl_qdma, static int fsl_qdma_enqueue_desc_to_ring(struct fsl_qdma_queue *fsl_queue, - int is_burst) + uint16_t num) { struct fsl_qdma_engine *fsl_qdma = fsl_queue->engine; - uint16_t i, num = fsl_queue->pending_num, idx, start, dq; + uint16_t i, idx, start, dq; int ret, dq_cnt; if (fsl_qdma->is_silent) return 0; - num = is_burst ? fsl_queue->pending_num : 1; - fsl_queue->desc_in_hw[fsl_queue->ci] = num; eq_again: ret = rte_ring_enqueue(fsl_queue->complete_burst, @@ -634,6 +632,69 @@ fsl_qdma_enqueue_desc_to_ring(struct fsl_qdma_queue *fsl_queue, return 0; } +static int +fsl_qdma_enqueue_overflow(struct fsl_qdma_queue *fsl_queue) +{ + int overflow = 0; + uint32_t reg; + uint16_t blk_drain, check_num, drain_num; + uint8_t *block = fsl_queue->block_vir; + const struct rte_dma_stats *st = &fsl_queue->stats; + struct fsl_qdma_engine *fsl_qdma = fsl_queue->engine; + + check_num = 0; +overflow_check: + if (fsl_qdma->is_silent || unlikely(s_hw_err_check)) { + reg = qdma_readl_be(block + + FSL_QDMA_BCQSR(fsl_queue->queue_id)); + overflow = (reg & FSL_QDMA_BCQSR_QF_XOFF_BE) ? + 1 : 0; + } else { + overflow = (fsl_qdma_queue_bd_in_hw(fsl_queue) >= + QDMA_QUEUE_CR_WM) ? 1 : 0; + } + + if (likely(!overflow)) { + return 0; + } else if (fsl_qdma->is_silent) { + check_num++; + if (check_num >= 10000) { + DPAA_QDMA_WARN("Waiting for HW complete in silent mode"); + check_num = 0; + } + goto overflow_check; + } + + DPAA_QDMA_DP_DEBUG("TC%d/Q%d submitted(%"PRIu64")-completed(%"PRIu64") >= %d", + fsl_queue->block_id, fsl_queue->queue_id, + st->submitted, st->completed, QDMA_QUEUE_CR_WM); + drain_num = 0; + +drain_again: + blk_drain = dpaa_qdma_block_dequeue(fsl_qdma, + fsl_queue->block_id); + if (!blk_drain) { + drain_num++; + if (drain_num >= 10000) { + DPAA_QDMA_WARN("TC%d failed drain, Q%d's %"PRIu64" bd in HW.", + fsl_queue->block_id, fsl_queue->queue_id, + st->submitted - st->completed); + drain_num = 0; + } + goto drain_again; + } + check_num++; + if (check_num >= 1000) { + DPAA_QDMA_WARN("TC%d failed check, Q%d's %"PRIu64" bd in HW.", + fsl_queue->block_id, fsl_queue->queue_id, + st->submitted - st->completed); + check_num = 0; + } + goto overflow_check; + + return 0; +} + static int fsl_qdma_enqueue_desc_single(struct fsl_qdma_queue *fsl_queue, dma_addr_t dst, dma_addr_t src, size_t len) @@ -646,6 +707,10 @@ fsl_qdma_enqueue_desc_single(struct fsl_qdma_queue *fsl_queue, struct fsl_qdma_sdf *sdf; #endif + ret = fsl_qdma_enqueue_overflow(fsl_queue); + if (unlikely(ret)) + return ret; + ft = fsl_queue->ft[fsl_queue->ci]; #ifdef RTE_DMA_DPAA_ERRATA_ERR050757 @@ -677,7 +742,7 @@ fsl_qdma_enqueue_desc_single(struct fsl_qdma_queue *fsl_queue, /* This entry is the last entry. */ csgf_dest->final = 1; - ret = fsl_qdma_enqueue_desc_to_ring(fsl_queue, 0); + ret = fsl_qdma_enqueue_desc_to_ring(fsl_queue, 1); if (ret) return ret; fsl_queue->ci = (fsl_queue->ci + 1) & (fsl_queue->n_cq - 1); @@ -689,81 +754,30 @@ fsl_qdma_enqueue_desc_single(struct fsl_qdma_queue *fsl_queue, return 0; } -static int -fsl_qdma_enqueue_overflow(struct fsl_qdma_queue *fsl_queue) -{ - int overflow = 0; - uint32_t reg; - uint16_t blk_drain, check_num, drain_num; - uint8_t *block = fsl_queue->block_vir; - const struct rte_dma_stats *st = &fsl_queue->stats; - struct fsl_qdma_engine *fsl_qdma = fsl_queue->engine; - - check_num = 0; -overflow_check: - if (fsl_qdma->is_silent || unlikely(s_hw_err_check)) { - reg = qdma_readl_be(block + - FSL_QDMA_BCQSR(fsl_queue->queue_id)); - overflow = (reg & FSL_QDMA_BCQSR_QF_XOFF_BE) ? - 1 : 0; - } else { - overflow = (fsl_qdma_queue_bd_in_hw(fsl_queue) >= - QDMA_QUEUE_CR_WM) ? 1 : 0; - } - - if (likely(!overflow)) { - return 0; - } else if (fsl_qdma->is_silent) { - check_num++; - if (check_num < 1000) - goto overflow_check; - return -ENOSPC; - } - - DPAA_QDMA_DP_DEBUG("TC%d/Q%d submitted(%"PRIu64")-completed(%"PRIu64") >= %d", - fsl_queue->block_id, fsl_queue->queue_id, - st->submitted, st->completed, QDMA_QUEUE_CR_WM); - drain_num = 0; - -drain_again: - blk_drain = dpaa_qdma_block_dequeue(fsl_qdma, - fsl_queue->block_id); - if (!blk_drain) { - drain_num++; - if (drain_num > 1000) { - DPAA_QDMA_ERR("TC%d failed drain, Q%d's %"PRIu64" bd in HW.", - fsl_queue->block_id, fsl_queue->queue_id, - st->submitted - st->completed); - return -ENOSPC; - } - goto drain_again; - } - check_num++; - if (check_num > 1000) { - DPAA_QDMA_ERR("TC%d failed check, Q%d's %"PRIu64" bd in HW.", - fsl_queue->block_id, fsl_queue->queue_id, - st->submitted - st->completed); - return -ENOSPC; - } - goto overflow_check; - - return -ENOSPC; -} - static int fsl_qdma_enqueue_desc_sg(struct fsl_qdma_queue *fsl_queue) { - uint8_t *block = fsl_queue->block_vir, i; + uint8_t *block = fsl_queue->block_vir; struct fsl_qdma_comp_sg_desc *csgf_src, *csgf_dest; struct fsl_qdma_cmpd_ft *ft; - uint32_t total_len = 0; - uint8_t num = fsl_queue->pending_num; - uint16_t start = fsl_queue->pending_start, idx; + uint32_t total_len; + uint16_t start, idx, num, i; int ret; #ifdef RTE_DMA_DPAA_ERRATA_ERR050757 struct fsl_qdma_sdf *sdf; #endif +eq_sg: + total_len = 0; + start = fsl_queue->pending_start; + if (fsl_queue->pending_num > FSL_QDMA_SG_MAX_ENTRY) + num = FSL_QDMA_SG_MAX_ENTRY; + else + num = fsl_queue->pending_num; + ret = fsl_qdma_enqueue_overflow(fsl_queue); + if (unlikely(ret)) + return ret; + ft = fsl_queue->ft[fsl_queue->ci]; csgf_src = &ft->desc_sbuf; csgf_dest = &ft->desc_dbuf; @@ -808,7 +822,7 @@ fsl_qdma_enqueue_desc_sg(struct fsl_qdma_queue *fsl_queue) } } #endif - ret = fsl_qdma_enqueue_desc_to_ring(fsl_queue, 1); + ret = fsl_qdma_enqueue_desc_to_ring(fsl_queue, num); if (ret) return ret; @@ -820,7 +834,9 @@ fsl_qdma_enqueue_desc_sg(struct fsl_qdma_queue *fsl_queue) fsl_queue->pending_start = (start + num) & (fsl_queue->pending_max - 1); - fsl_queue->pending_num = 0; + fsl_queue->pending_num -= num; + if (fsl_queue->pending_num > 0) + goto eq_sg; return 0; } @@ -831,10 +847,6 @@ fsl_qdma_enqueue_desc(struct fsl_qdma_queue *fsl_queue) uint16_t start = fsl_queue->pending_start; int ret; - ret = fsl_qdma_enqueue_overflow(fsl_queue); - if (unlikely(ret)) - return ret; - if (fsl_queue->pending_num == 1) { ret = fsl_qdma_enqueue_desc_single(fsl_queue, fsl_queue->pending_desc[start].dst, @@ -871,17 +883,19 @@ fsl_qdma_enqueue_desc(struct fsl_qdma_queue *fsl_queue) } static int -dpaa_info_get(const struct rte_dma_dev *dev, struct rte_dma_info *dev_info, - __rte_unused uint32_t info_sz) +dpaa_qdma_info_get(const struct rte_dma_dev *dev, + struct rte_dma_info *dev_info, __rte_unused uint32_t info_sz) { struct fsl_qdma_engine *fsl_qdma = dev->data->dev_private; dev_info->dev_capa = RTE_DMA_CAPA_MEM_TO_MEM | - RTE_DMA_CAPA_SILENT | RTE_DMA_CAPA_OPS_COPY; + RTE_DMA_CAPA_SILENT | RTE_DMA_CAPA_OPS_COPY | + RTE_DMA_CAPA_OPS_COPY_SG; dev_info->dev_capa |= RTE_DMA_CAPA_DPAAX_QDMA_FLAGS_INDEX; dev_info->max_vchans = fsl_qdma->n_queues; dev_info->max_desc = FSL_QDMA_MAX_DESC_NUM; dev_info->min_desc = QDMA_QUEUE_SIZE; + dev_info->max_sges = FSL_QDMA_SG_MAX_ENTRY; return 0; } @@ -985,9 +999,9 @@ dpaa_qdma_enqueue(void *dev_private, uint16_t vchan, uint16_t idx; int ret; - if (pending >= FSL_QDMA_SG_MAX_ENTRY) { - DPAA_QDMA_ERR("Too many pending jobs on queue%d", - vchan); + if (pending >= fsl_queue->pending_max) { + DPAA_QDMA_ERR("Too many pending jobs(%d) on queue%d", + pending, vchan); return -ENOSPC; } idx = (start + pending) & (fsl_queue->pending_max - 1); @@ -1253,7 +1267,7 @@ dpaa_qdma_burst_capacity(const void *dev_private, uint16_t vchan) } static struct rte_dma_dev_ops dpaa_qdma_ops = { - .dev_info_get = dpaa_info_get, + .dev_info_get = dpaa_qdma_info_get, .dev_configure = dpaa_qdma_configure, .dev_start = dpaa_qdma_start, .dev_close = dpaa_qdma_close, diff --git a/drivers/dma/dpaa/dpaa_qdma.h b/drivers/dma/dpaa/dpaa_qdma.h index f2aa6fdd34..b5d76776cb 100644 --- a/drivers/dma/dpaa/dpaa_qdma.h +++ b/drivers/dma/dpaa/dpaa_qdma.h @@ -270,7 +270,7 @@ struct fsl_qdma_queue { struct fsl_qdma_desc *pending_desc; uint16_t pending_max; uint16_t pending_start; - uint8_t pending_num; + uint16_t pending_num; uint16_t complete_start; dma_addr_t bus_addr; void *engine;