From: Amit Prakash Shukla <amitprakashs@marvell.com>
To: Chengwen Feng <fengchengwen@huawei.com>,
Kevin Laatz <kevin.laatz@intel.com>,
Bruce Richardson <bruce.richardson@intel.com>
Cc: <dev@dpdk.org>, <jerinj@marvell.com>, <mb@smartsharesystems.com>,
<conor.walsh@intel.com>, <vattunuru@marvell.com>,
<g.singh@nxp.com>, <sachin.saxena@oss.nxp.com>,
<hemant.agrawal@nxp.com>, <cheng1.jiang@intel.com>,
<ndabilpuram@marvell.com>, <anoobj@marvell.com>,
Amit Prakash Shukla <amitprakashs@marvell.com>
Subject: [PATCH v1 2/2] dmadev: get DMA device using device ID
Date: Mon, 18 Sep 2023 18:02:27 +0530 [thread overview]
Message-ID: <20230918123227.1562074-2-amitprakashs@marvell.com> (raw)
In-Reply-To: <20230918123227.1562074-1-amitprakashs@marvell.com>
Added a function that lookup for the dma device using device id and
returns the pointer to the same.
Signed-off-by: Amit Prakash Shukla <amitprakashs@marvell.com>
---
lib/dmadev/rte_dmadev.c | 9 +++++++++
lib/dmadev/rte_dmadev_pmd.h | 16 ++++++++++++++++
lib/dmadev/version.map | 1 +
3 files changed, 26 insertions(+)
diff --git a/lib/dmadev/rte_dmadev.c b/lib/dmadev/rte_dmadev.c
index bf7d5ec519..f1783c971b 100644
--- a/lib/dmadev/rte_dmadev.c
+++ b/lib/dmadev/rte_dmadev.c
@@ -121,6 +121,15 @@ dma_find_by_name(const char *name)
return NULL;
}
+struct rte_dma_dev*
+rte_dma_pmd_dev_get(uint8_t dev_id)
+{
+ if (rte_dma_devices == NULL)
+ return NULL;
+
+ return &rte_dma_devices[dev_id];
+}
+
static void dma_fp_object_dummy(struct rte_dma_fp_object *obj);
static int
diff --git a/lib/dmadev/rte_dmadev_pmd.h b/lib/dmadev/rte_dmadev_pmd.h
index c61cedfb23..f8dd970b88 100644
--- a/lib/dmadev/rte_dmadev_pmd.h
+++ b/lib/dmadev/rte_dmadev_pmd.h
@@ -167,6 +167,22 @@ struct rte_dma_dev *rte_dma_pmd_allocate(const char *name, int numa_node,
__rte_internal
int rte_dma_pmd_release(const char *name);
+/**
+ * @internal
+ *
+ * Get the rte_dma_dev structure device pointer for the device. Assumes a
+ * valid device index.
+ *
+ * @param dev_id
+ * Device ID value to select the device structure.
+ *
+ * @return
+ * - rte_dma_dev structure pointer for the given device ID on success, NULL
+ * otherwise
+ */
+__rte_internal
+struct rte_dma_dev *rte_dma_pmd_dev_get(uint8_t dev_id);
+
#ifdef __cplusplus
}
#endif
diff --git a/lib/dmadev/version.map b/lib/dmadev/version.map
index 7031d6b335..cdad39044d 100644
--- a/lib/dmadev/version.map
+++ b/lib/dmadev/version.map
@@ -26,6 +26,7 @@ INTERNAL {
rte_dma_fp_objs;
rte_dma_pmd_allocate;
rte_dma_pmd_release;
+ rte_dma_pmd_dev_get;
local: *;
};
--
2.25.1
next prev parent reply other threads:[~2023-09-18 12:32 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-18 12:32 [PATCH v1 1/2] dmadev: add DMA operation structure Amit Prakash Shukla
2023-09-18 12:32 ` Amit Prakash Shukla [this message]
2023-09-18 13:42 ` [PATCH v1 2/2] dmadev: get DMA device using device ID Jerin Jacob
2023-09-18 13:47 ` [EXT] " Amit Prakash Shukla
2023-09-18 12:59 ` [PATCH v1 1/2] dmadev: add DMA operation structure Bruce Richardson
2023-09-18 13:42 ` [EXT] " Amit Prakash Shukla
2023-09-19 11:41 ` [PATCH v2] dmadev: get DMA device using device ID Amit Prakash Shukla
2023-09-21 15:43 ` Jerin Jacob
2023-09-26 11:09 ` [EXT] " Amit Prakash Shukla
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