[v1,2/7] eventdev: api to get DMA capabilities

Message ID 20230919134222.2500033-2-amitprakashs@marvell.com (mailing list archive)
State Superseded, archived
Delegated to: Jerin Jacob
Headers
Series [v1,1/7] eventdev: introduce DMA event adapter library |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Amit Prakash Shukla Sept. 19, 2023, 1:42 p.m. UTC
  Added a new eventdev API rte_event_dma_adapter_caps_get(), to get
DMA adapter capabilities supported by the driver.

Signed-off-by: Amit Prakash Shukla <amitprakashs@marvell.com>
---
 lib/eventdev/meson.build    |  2 +-
 lib/eventdev/rte_eventdev.c | 25 +++++++++++++++++++++++++
 lib/eventdev/rte_eventdev.h |  2 +-
 lib/meson.build             |  2 +-
 4 files changed, 28 insertions(+), 3 deletions(-)
  

Patch

diff --git a/lib/eventdev/meson.build b/lib/eventdev/meson.build
index 6edf98dfa5..fbab3a42ad 100644
--- a/lib/eventdev/meson.build
+++ b/lib/eventdev/meson.build
@@ -42,5 +42,5 @@  driver_sdk_headers += files(
         'event_timer_adapter_pmd.h',
 )
 
-deps += ['ring', 'ethdev', 'hash', 'mempool', 'mbuf', 'timer', 'cryptodev']
+deps += ['ring', 'ethdev', 'hash', 'mempool', 'mbuf', 'timer', 'cryptodev', 'dmadev']
 deps += ['telemetry']
diff --git a/lib/eventdev/rte_eventdev.c b/lib/eventdev/rte_eventdev.c
index 6ab4524332..9415788b6a 100644
--- a/lib/eventdev/rte_eventdev.c
+++ b/lib/eventdev/rte_eventdev.c
@@ -21,6 +21,7 @@ 
 #include <ethdev_driver.h>
 #include <rte_cryptodev.h>
 #include <cryptodev_pmd.h>
+#include <rte_dmadev_pmd.h>
 #include <rte_telemetry.h>
 
 #include "rte_eventdev.h"
@@ -224,6 +225,30 @@  rte_event_eth_tx_adapter_caps_get(uint8_t dev_id, uint16_t eth_port_id,
 			: 0;
 }
 
+int
+rte_event_dma_adapter_caps_get(uint8_t dev_id, uint8_t dma_dev_id, uint32_t *caps)
+{
+	struct rte_eventdev *dev;
+	struct rte_dma_dev *dma_dev;
+
+	RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
+	if (!rte_dma_is_valid(dma_dev_id))
+		return -EINVAL;
+
+	dev = &rte_eventdevs[dev_id];
+	dma_dev = rte_dma_pmd_dev_get(dma_dev_id);
+
+	if (caps == NULL || dma_dev == NULL)
+		return -EINVAL;
+
+	*caps = 0;
+
+	if (dev->dev_ops->dma_adapter_caps_get)
+		return (*dev->dev_ops->dma_adapter_caps_get)(dev, dma_dev, caps);
+
+	return 0;
+}
+
 static inline int
 event_dev_queue_config(struct rte_eventdev *dev, uint8_t nb_queues)
 {
diff --git a/lib/eventdev/rte_eventdev.h b/lib/eventdev/rte_eventdev.h
index d231f527ae..5611880872 100644
--- a/lib/eventdev/rte_eventdev.h
+++ b/lib/eventdev/rte_eventdev.h
@@ -1505,7 +1505,7 @@  rte_event_crypto_adapter_caps_get(uint8_t dev_id, uint8_t cdev_id,
  *
  */
 int
-rte_event_dma_adapter_caps_get(uint8_t dev_id, int16_t dmadev_id, uint32_t *caps);
+rte_event_dma_adapter_caps_get(uint8_t dev_id, uint8_t dmadev_id, uint32_t *caps);
 
 /* Ethdev Tx adapter capability bitmap flags */
 #define RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT	0x1
diff --git a/lib/meson.build b/lib/meson.build
index 53155be8e9..f3191f10b6 100644
--- a/lib/meson.build
+++ b/lib/meson.build
@@ -33,6 +33,7 @@  libraries = [
         'compressdev',
         'cryptodev',
         'distributor',
+        'dmadev',
         'efd',
         'eventdev',
         'gpudev',
@@ -48,7 +49,6 @@  libraries = [
         'rawdev',
         'regexdev',
         'mldev',
-        'dmadev',
         'rib',
         'reorder',
         'sched',