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From: Gagandeep Singh <g.singh@nxp.com>
To: dev@dpdk.org, Sachin Saxena <sachin.saxena@nxp.com>
Cc: Jun Yang <jun.yang@nxp.com>
Subject: [PATCH 29/30] dma/dpaa: support max SG entry size
Date: Fri, 19 Jul 2024 15:31:25 +0530	[thread overview]
Message-ID: <20240719100126.1150373-29-g.singh@nxp.com> (raw)
In-Reply-To: <20240719100126.1150373-1-g.singh@nxp.com>

From: Jun Yang <jun.yang@nxp.com>

SG transaction is not helpful for performance of large transaction size.
Start single transaction for size > max SG entry size in SG copy.

Default MAX SG entry size is 2000 bytes which is experiment data of
mem to mem, user can change it according to experiment:
export DPAA_QDMA_SG_MAX_ENTRY_SIZE=xxx

Signed-off-by: Jun Yang <jun.yang@nxp.com>
---
 drivers/dma/dpaa/dpaa_qdma.c | 41 ++++++++++++++++++++++++++++++++----
 1 file changed, 37 insertions(+), 4 deletions(-)

diff --git a/drivers/dma/dpaa/dpaa_qdma.c b/drivers/dma/dpaa/dpaa_qdma.c
index d0df97447a..bc925fc521 100644
--- a/drivers/dma/dpaa/dpaa_qdma.c
+++ b/drivers/dma/dpaa/dpaa_qdma.c
@@ -12,6 +12,8 @@
 static int s_data_validation;
 static int s_hw_err_check;
 static int s_sg_enable = 1;
+static uint32_t s_sg_max_entry_sz = 2000;
+
 #ifdef RTE_DMA_DPAA_ERRATA_ERR050757
 static int s_pci_read = 1;
 #endif
@@ -761,7 +763,7 @@ fsl_qdma_enqueue_desc_sg(struct fsl_qdma_queue *fsl_queue)
 	struct fsl_qdma_comp_sg_desc *csgf_src, *csgf_dest;
 	struct fsl_qdma_cmpd_ft *ft;
 	uint32_t total_len;
-	uint16_t start, idx, num, i;
+	uint16_t start, idx, num, i, next_idx;
 	int ret;
 #ifdef RTE_DMA_DPAA_ERRATA_ERR050757
 	struct fsl_qdma_sdf *sdf;
@@ -770,13 +772,31 @@ fsl_qdma_enqueue_desc_sg(struct fsl_qdma_queue *fsl_queue)
 eq_sg:
 	total_len = 0;
 	start = fsl_queue->pending_start;
+	if (fsl_queue->pending_desc[start].len > s_sg_max_entry_sz ||
+		fsl_queue->pending_num == 1) {
+		ret = fsl_qdma_enqueue_desc_single(fsl_queue,
+			fsl_queue->pending_desc[start].dst,
+			fsl_queue->pending_desc[start].src,
+			fsl_queue->pending_desc[start].len);
+		if (!ret) {
+			fsl_queue->pending_start =
+				(start + 1) & (fsl_queue->pending_max - 1);
+			fsl_queue->pending_num--;
+		}
+		if (fsl_queue->pending_num > 0)
+			goto eq_sg;
+
+		return ret;
+	}
+
+	ret = fsl_qdma_enqueue_overflow(fsl_queue);
+	if (unlikely(ret))
+		return ret;
+
 	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;
@@ -799,7 +819,16 @@ fsl_qdma_enqueue_desc_sg(struct fsl_qdma_queue *fsl_queue)
 		ft->desc_dsge[i].length = fsl_queue->pending_desc[idx].len;
 		ft->desc_dsge[i].final = 0;
 		total_len += fsl_queue->pending_desc[idx].len;
+		if ((i + 1) != num) {
+			next_idx = (idx + 1) & (fsl_queue->pending_max - 1);
+			if (fsl_queue->pending_desc[next_idx].len >
+				s_sg_max_entry_sz) {
+				num = i + 1;
+				break;
+			}
+		}
 	}
+
 	ft->desc_ssge[num - 1].final = 1;
 	ft->desc_dsge[num - 1].final = 1;
 	csgf_src->length = total_len;
@@ -1297,6 +1326,10 @@ dpaa_qdma_init(struct rte_dma_dev *dmadev)
 	if (penv)
 		s_sg_enable = atoi(penv);
 
+	penv = getenv("DPAA_QDMA_SG_MAX_ENTRY_SIZE");
+	if (penv)
+		s_sg_max_entry_sz = atoi(penv);
+
 #ifdef RTE_DMA_DPAA_ERRATA_ERR050757
 	penv = getenv("DPAA_QDMA_PCI_READ");
 	if (penv)
-- 
2.25.1


  parent reply	other threads:[~2024-07-19 10:05 UTC|newest]

Thread overview: 173+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-19 10:00 [PATCH 01/30] dma/dpaa2: configure route by port by PCIe port param Gagandeep Singh
2024-07-19 10:00 ` [PATCH 02/30] dma/dpaa2: support multiple HW queues Gagandeep Singh
2024-07-19 10:00 ` [PATCH 03/30] dma/dpaa2: adapt DMA driver API Gagandeep Singh
2024-07-19 10:01 ` [PATCH 04/30] dma/dpaa2: multiple process support Gagandeep Singh
2024-07-19 10:01 ` [PATCH 05/30] dma/dpaa2: add sanity check for SG entry Gagandeep Singh
2024-07-19 10:01 ` [PATCH 06/30] dma/dpaa2: include DPAA2 specific header files Gagandeep Singh
2024-07-19 10:01 ` [PATCH 07/30] dma/dpaa2: borrow flags of DMA operation to pass job context Gagandeep Singh
2024-07-19 10:01 ` [PATCH 08/30] bus/fslmc: enhance the qbman dq storage logic Gagandeep Singh
2024-07-19 10:01 ` [PATCH 09/30] dma/dpaa2: add short FD support Gagandeep Singh
2024-07-19 10:01 ` [PATCH 10/30] dma/dpaa2: limit the max descriptor number Gagandeep Singh
2024-07-19 10:01 ` [PATCH 11/30] dma/dpaa2: change the DMA copy return value Gagandeep Singh
2024-07-19 10:01 ` [PATCH 12/30] dma/dpaa2: move the qdma header to common place Gagandeep Singh
2024-07-19 10:01 ` [PATCH 13/30] dma/dpaa: support multi channels Gagandeep Singh
2024-07-19 10:01 ` [PATCH 14/30] dma/dpaa: fix job enqueue Gagandeep Singh
2024-07-19 10:01 ` [PATCH 15/30] dma/dpaa: add burst capacity API Gagandeep Singh
2024-07-19 10:01 ` [PATCH 16/30] dma/dpaa: add workaround for ERR050757 Gagandeep Singh
2024-07-19 10:01 ` [PATCH 17/30] dma/dpaa: qdma stall workaround for ERR050265 Gagandeep Singh
2024-07-19 10:01 ` [PATCH 18/30] dma/dpaa: remove unwanted desc Gagandeep Singh
2024-07-19 10:01 ` [PATCH 19/30] dma/dpaa: data path optimization Gagandeep Singh
2024-07-19 10:01 ` [PATCH 20/30] dma/dpaa: refactor driver Gagandeep Singh
2024-07-19 10:01 ` [PATCH 21/30] dma/dpaa: dequeue status queue Gagandeep Singh
2024-07-19 10:01 ` [PATCH 22/30] dma/dpaa: add Scatter Gather support Gagandeep Singh
2024-07-19 10:01 ` [PATCH 23/30] dma/dpaa: block dequeue Gagandeep Singh
2024-07-19 10:01 ` [PATCH 24/30] dma/dpaa: improve congestion handling Gagandeep Singh
2024-07-19 10:01 ` [PATCH 25/30] dma/dpaa: disable SG descriptor as default Gagandeep Singh
2024-07-19 10:01 ` [PATCH 26/30] dma/dpaa: improve ERRATA workaround solution Gagandeep Singh
2024-07-19 10:01 ` [PATCH 27/30] dma/dpaa: improve silent mode support Gagandeep Singh
2024-07-19 10:01 ` [PATCH 28/30] dma/dpaa: support multiple SG copies Gagandeep Singh
2024-07-19 10:01 ` Gagandeep Singh [this message]
2024-07-19 10:01 ` [PATCH 30/30] bus/dpaa: add port bmi stats Gagandeep Singh
2024-07-22 11:58 ` [v2 00/30] NXP DMA driver fixes and Enhancements Gagandeep Singh
2024-07-22 11:58   ` [v2 01/30] dma/dpaa2: configure route by port by PCIe port param Gagandeep Singh
2024-07-22 11:58   ` [v2 02/30] dma/dpaa2: support multiple HW queues Gagandeep Singh
2024-07-22 11:58   ` [v2 03/30] dma/dpaa2: adapt DMA driver API Gagandeep Singh
2024-07-22 11:58   ` [v2 04/30] dma/dpaa2: multiple process support Gagandeep Singh
2024-07-22 11:58   ` [v2 05/30] dma/dpaa2: add sanity check for SG entry Gagandeep Singh
2024-07-22 11:58   ` [v2 06/30] dma/dpaa2: include DPAA2 specific header files Gagandeep Singh
2024-07-22 11:58   ` [v2 07/30] dma/dpaa2: borrow flags of DMA operation to pass job context Gagandeep Singh
2024-07-22 11:58   ` [v2 08/30] bus/fslmc: enhance the qbman dq storage logic Gagandeep Singh
2024-07-22 11:58   ` [v2 09/30] dma/dpaa2: add short FD support Gagandeep Singh
2024-07-22 11:58   ` [v2 10/30] dma/dpaa2: limit the max descriptor number Gagandeep Singh
2024-07-22 11:58   ` [v2 11/30] dma/dpaa2: change the DMA copy return value Gagandeep Singh
2024-07-22 11:58   ` [v2 12/30] dma/dpaa2: move the qdma header to common place Gagandeep Singh
2024-07-22 11:58   ` [v2 13/30] dma/dpaa: support multi channels Gagandeep Singh
2024-07-22 11:58   ` [v2 14/30] dma/dpaa: fix job enqueue Gagandeep Singh
2024-07-22 11:58   ` [v2 15/30] dma/dpaa: add burst capacity API Gagandeep Singh
2024-07-22 11:58   ` [v2 16/30] dma/dpaa: add workaround for ERR050757 Gagandeep Singh
2024-07-22 11:58   ` [v2 17/30] dma/dpaa: qdma stall workaround for ERR050265 Gagandeep Singh
2024-07-22 11:58   ` [v2 18/30] dma/dpaa: remove unwanted desc Gagandeep Singh
2024-07-22 11:58   ` [v2 19/30] dma/dpaa: data path optimization Gagandeep Singh
2024-07-22 11:58   ` [v2 20/30] dma/dpaa: refactor driver Gagandeep Singh
2024-07-22 11:58   ` [v2 21/30] dma/dpaa: dequeue status queue Gagandeep Singh
2024-07-22 11:58   ` [v2 22/30] dma/dpaa: add Scatter Gather support Gagandeep Singh
2024-07-22 11:58   ` [v2 23/30] dma/dpaa: block dequeue Gagandeep Singh
2024-07-22 11:58   ` [v2 24/30] dma/dpaa: improve congestion handling Gagandeep Singh
2024-07-22 11:58   ` [v2 25/30] dma/dpaa: disable SG descriptor as default Gagandeep Singh
2024-07-22 11:58   ` [v2 26/30] dma/dpaa: improve ERRATA workaround solution Gagandeep Singh
2024-07-22 11:58   ` [v2 27/30] dma/dpaa: improve silent mode support Gagandeep Singh
2024-07-22 11:58   ` [v2 28/30] dma/dpaa: support multiple SG copies Gagandeep Singh
2024-07-22 11:58   ` [v2 29/30] dma/dpaa: support max SG entry size Gagandeep Singh
2024-07-22 11:58   ` [v2 30/30] bus/dpaa: add port bmi stats Gagandeep Singh
2024-07-22 16:39   ` [v3 00/30] NXP DMA driver fixes and Enhancements Gagandeep Singh
2024-07-22 16:39     ` [v3 01/30] dma/dpaa2: configure route by port by PCIe port param Gagandeep Singh
2024-10-08  7:22       ` [v4 00/15] NXP DMA driver fixes and Enhancements Gagandeep Singh
2024-10-08  7:22         ` [v4 01/15] dma/dpaa2: configure route by port by PCIe port param Gagandeep Singh
2024-10-08 10:57           ` [v5 00/15] NXP DMA driver fixes and Enhancements Gagandeep Singh
2024-10-08 10:57             ` [v5 01/15] dma/dpaa2: configure route by port by PCIe port param Gagandeep Singh
2024-10-14  9:36               ` [v6 00/15] NXP DMA driver fixes and Enhancements Gagandeep Singh
2024-10-14  9:36                 ` [v6 01/15] dma/dpaa2: configure route by port by PCIe port param Gagandeep Singh
2024-10-14  9:36                 ` [v6 02/15] dma/dpaa2: refactor driver code Gagandeep Singh
2024-10-14  9:36                 ` [v6 03/15] bus/fslmc: enhance the qbman dq storage logic Gagandeep Singh
2024-10-14  9:36                 ` [v6 04/15] dma/dpaa2: add short FD support Gagandeep Singh
2024-10-14  9:36                 ` [v6 05/15] dma/dpaa2: limit the max descriptor number Gagandeep Singh
2024-10-14  9:36                 ` [v6 06/15] dma/dpaa2: change the DMA copy return value Gagandeep Singh
2024-10-14  9:36                 ` [v6 07/15] dma/dpaa2: move the qdma header to common place Gagandeep Singh
2024-10-14  9:36                 ` [v6 08/15] dma/dpaa: refactor driver Gagandeep Singh
2024-10-15  2:59                   ` Stephen Hemminger
2024-10-14  9:36                 ` [v6 09/15] dma/dpaa: support burst capacity API Gagandeep Singh
2024-10-14  9:36                 ` [v6 10/15] dma/dpaa: add silent mode support Gagandeep Singh
2024-10-14  9:36                 ` [v6 11/15] dma/dpaa: add workaround for ERR050757 Gagandeep Singh
2024-10-14  9:36                 ` [v6 12/15] dma/dpaa: qdma stall workaround for ERR050265 Gagandeep Singh
2024-10-14  9:36                 ` [v6 13/15] dma/dpaa: add Scatter Gather support Gagandeep Singh
2024-10-14  9:36                 ` [v6 14/15] dma/dpaa: add DMA error checks Gagandeep Singh
2024-10-14  9:36                 ` [v6 15/15] bus/dpaa: add port bmi stats Gagandeep Singh
2024-10-15  7:13                 ` [v7 00/15] NXP DMA driver fixes and Enhancements Gagandeep Singh
2024-10-15  7:13                   ` [v7 01/15] dma/dpaa2: configure route by port by PCIe port param Gagandeep Singh
2024-10-15  7:13                   ` [v7 02/15] dma/dpaa2: refactor driver code Gagandeep Singh
2024-10-15 22:11                     ` Stephen Hemminger
2024-10-16  5:09                       ` Hemant Agrawal
2024-10-16  5:13                         ` Stephen Hemminger
2024-10-16  5:15                           ` Hemant Agrawal
2024-11-09 13:37                     ` Thomas Monjalon
2024-11-09 13:51                       ` Thomas Monjalon
2024-11-09 15:13                     ` Thomas Monjalon
2024-10-15  7:13                   ` [v7 03/15] bus/fslmc: enhance the qbman dq storage logic Gagandeep Singh
2024-10-15  7:13                   ` [v7 04/15] dma/dpaa2: add short FD support Gagandeep Singh
2024-10-15  7:13                   ` [v7 05/15] dma/dpaa2: limit the max descriptor number Gagandeep Singh
2024-10-15  7:13                   ` [v7 06/15] dma/dpaa2: change the DMA copy return value Gagandeep Singh
2024-10-15  7:13                   ` [v7 07/15] dma/dpaa2: move the qdma header to common place Gagandeep Singh
2024-11-09 15:19                     ` Thomas Monjalon
2024-10-15  7:13                   ` [v7 08/15] dma/dpaa: refactor driver Gagandeep Singh
2024-11-09 14:27                     ` Thomas Monjalon
2024-10-15  7:13                   ` [v7 09/15] dma/dpaa: support burst capacity API Gagandeep Singh
2024-10-15  7:13                   ` [v7 10/15] dma/dpaa: add silent mode support Gagandeep Singh
2024-10-15  7:13                   ` [v7 11/15] dma/dpaa: add workaround for ERR050757 Gagandeep Singh
2024-11-09 15:10                     ` Thomas Monjalon
2024-10-15  7:14                   ` [v7 12/15] dma/dpaa: qdma stall workaround for ERR050265 Gagandeep Singh
2024-10-15  7:14                   ` [v7 13/15] dma/dpaa: add Scatter Gather support Gagandeep Singh
2024-10-15  7:14                   ` [v7 14/15] dma/dpaa: add DMA error checks Gagandeep Singh
2024-10-15  7:14                   ` [v7 15/15] bus/dpaa: add port bmi stats Gagandeep Singh
2024-11-09 15:01                     ` Thomas Monjalon
2024-11-09 15:34                   ` [v7 00/15] NXP DMA driver fixes and Enhancements Thomas Monjalon
2024-10-08 10:57             ` [v5 02/15] dma/dpaa2: refactor driver code Gagandeep Singh
2024-10-08 10:57             ` [v5 03/15] bus/fslmc: enhance the qbman dq storage logic Gagandeep Singh
2024-10-08 10:57             ` [v5 04/15] dma/dpaa2: add short FD support Gagandeep Singh
2024-10-08 10:58             ` [v5 05/15] dma/dpaa2: limit the max descriptor number Gagandeep Singh
2024-10-08 10:58             ` [v5 06/15] dma/dpaa2: change the DMA copy return value Gagandeep Singh
2024-10-08 10:58             ` [v5 07/15] dma/dpaa2: move the qdma header to common place Gagandeep Singh
2024-10-08 10:58             ` [v5 08/15] dma/dpaa: refactor driver Gagandeep Singh
2024-10-08 10:58             ` [v5 09/15] dma/dpaa: support burst capacity API Gagandeep Singh
2024-10-08 10:58             ` [v5 10/15] dma/dpaa: add silent mode support Gagandeep Singh
2024-10-08 10:58             ` [v5 11/15] dma/dpaa: add workaround for ERR050757 Gagandeep Singh
2024-10-08 10:58             ` [v5 12/15] dma/dpaa: qdma stall workaround for ERR050265 Gagandeep Singh
2024-10-08 10:58             ` [v5 13/15] dma/dpaa: add Scatter Gather support Gagandeep Singh
2024-10-08 10:58             ` [v5 14/15] dma/dpaa: add DMA error checks Gagandeep Singh
2024-10-08 10:58             ` [v5 15/15] bus/dpaa: add port bmi stats Gagandeep Singh
2024-10-09 18:02               ` Stephen Hemminger
2024-10-08  7:22         ` [v4 02/15] dma/dpaa2: refactor driver code Gagandeep Singh
2024-10-08  7:22         ` [v4 03/15] bus/fslmc: enhance the qbman dq storage logic Gagandeep Singh
2024-10-08  7:22         ` [v4 04/15] dma/dpaa2: add short FD support Gagandeep Singh
2024-10-08  7:22         ` [v4 05/15] dma/dpaa2: limit the max descriptor number Gagandeep Singh
2024-10-08  7:22         ` [v4 06/15] dma/dpaa2: change the DMA copy return value Gagandeep Singh
2024-10-08  7:22         ` [v4 07/15] dma/dpaa2: move the qdma header to common place Gagandeep Singh
2024-10-08  7:22         ` [v4 08/15] dma/dpaa: refactor driver Gagandeep Singh
2024-10-08  7:23         ` [v4 09/15] dma/dpaa: support burst capacity API Gagandeep Singh
2024-10-08  7:23         ` [v4 10/15] dma/dpaa: add silent mode support Gagandeep Singh
2024-10-08  7:23         ` [v4 11/15] dma/dpaa: add workaround for ERR050757 Gagandeep Singh
2024-10-08  7:23         ` [v4 12/15] dma/dpaa: qdma stall workaround for ERR050265 Gagandeep Singh
2024-10-08  7:23         ` [v4 13/15] dma/dpaa: add Scatter Gather support Gagandeep Singh
2024-10-08  7:23         ` [v4 14/15] dma/dpaa: add DMA error checks Gagandeep Singh
2024-10-08  7:23         ` [v4 15/15] bus/dpaa: add port bmi stats Gagandeep Singh
2024-07-22 16:39     ` [v3 02/30] dma/dpaa2: support multiple HW queues Gagandeep Singh
2024-07-22 20:19       ` Stephen Hemminger
2024-10-07 20:51       ` Stephen Hemminger
2024-07-22 16:39     ` [v3 03/30] dma/dpaa2: adapt DMA driver API Gagandeep Singh
2024-07-22 16:39     ` [v3 04/30] dma/dpaa2: multiple process support Gagandeep Singh
2024-07-22 16:39     ` [v3 05/30] dma/dpaa2: add sanity check for SG entry Gagandeep Singh
2024-07-22 20:21       ` Stephen Hemminger
2024-07-22 16:39     ` [v3 06/30] dma/dpaa2: include DPAA2 specific header files Gagandeep Singh
2024-07-22 16:39     ` [v3 07/30] dma/dpaa2: borrow flags of DMA operation to pass job context Gagandeep Singh
2024-07-22 16:39     ` [v3 08/30] bus/fslmc: enhance the qbman dq storage logic Gagandeep Singh
2024-07-22 16:39     ` [v3 09/30] dma/dpaa2: add short FD support Gagandeep Singh
2024-07-22 16:39     ` [v3 10/30] dma/dpaa2: limit the max descriptor number Gagandeep Singh
2024-07-22 16:39     ` [v3 11/30] dma/dpaa2: change the DMA copy return value Gagandeep Singh
2024-07-22 16:39     ` [v3 12/30] dma/dpaa2: move the qdma header to common place Gagandeep Singh
2024-07-22 16:39     ` [v3 13/30] dma/dpaa: support multi channels Gagandeep Singh
2024-07-22 16:39     ` [v3 14/30] dma/dpaa: fix job enqueue Gagandeep Singh
2024-07-22 16:39     ` [v3 15/30] dma/dpaa: add burst capacity API Gagandeep Singh
2024-07-22 16:39     ` [v3 16/30] dma/dpaa: add workaround for ERR050757 Gagandeep Singh
2024-07-22 16:39     ` [v3 17/30] dma/dpaa: qdma stall workaround for ERR050265 Gagandeep Singh
2024-07-22 16:39     ` [v3 18/30] dma/dpaa: remove unwanted desc Gagandeep Singh
2024-07-22 16:39     ` [v3 19/30] dma/dpaa: data path optimization Gagandeep Singh
2024-07-22 16:39     ` [v3 20/30] dma/dpaa: refactor driver Gagandeep Singh
2024-07-22 16:39     ` [v3 21/30] dma/dpaa: dequeue status queue Gagandeep Singh
2024-07-22 16:39     ` [v3 22/30] dma/dpaa: add Scatter Gather support Gagandeep Singh
2024-07-22 16:39     ` [v3 23/30] dma/dpaa: block dequeue Gagandeep Singh
2024-07-22 16:39     ` [v3 24/30] dma/dpaa: improve congestion handling Gagandeep Singh
2024-07-22 16:39     ` [v3 25/30] dma/dpaa: disable SG descriptor as default Gagandeep Singh
2024-07-22 16:39     ` [v3 26/30] dma/dpaa: improve ERRATA workaround solution Gagandeep Singh
2024-07-22 16:39     ` [v3 27/30] dma/dpaa: improve silent mode support Gagandeep Singh
2024-07-22 16:39     ` [v3 28/30] dma/dpaa: support multiple SG copies Gagandeep Singh
2024-07-22 16:39     ` [v3 29/30] dma/dpaa: support max SG entry size Gagandeep Singh
2024-07-22 16:39     ` [v3 30/30] bus/dpaa: add port bmi stats Gagandeep Singh

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