X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Fdmadev%2Frte_dmadev.c;h=d4b32b2971b0019ff937ba0ad4dcc67fc959d34e;hb=2490bb897182f57de80fd924dd3ae48dda819b8c;hp=7099bbb28dddea2cc15fc46cf985158ee0f1f4e7;hpb=2ece65f00f71c383c12c567502840ac1584757d5;p=dpdk.git

diff --git a/lib/dmadev/rte_dmadev.c b/lib/dmadev/rte_dmadev.c
index 7099bbb28d..d4b32b2971 100644
--- a/lib/dmadev/rte_dmadev.c
+++ b/lib/dmadev/rte_dmadev.c
@@ -18,7 +18,7 @@
 static int16_t dma_devices_max;
 
 struct rte_dma_fp_object *rte_dma_fp_objs;
-struct rte_dma_dev *rte_dma_devices;
+static struct rte_dma_dev *rte_dma_devices;
 static struct {
 	/* Hold the dev_max information of the primary process. This field is
 	 * set by the primary process and is read by the secondary process.
@@ -49,6 +49,19 @@ rte_dma_dev_max(size_t dev_max)
 	return 0;
 }
 
+int16_t
+rte_dma_next_dev(int16_t start_dev_id)
+{
+	int16_t dev_id = start_dev_id;
+	while (dev_id < dma_devices_max && rte_dma_devices[dev_id].state == RTE_DMA_DEV_UNUSED)
+		dev_id++;
+
+	if (dev_id < dma_devices_max)
+		return dev_id;
+
+	return -1;
+}
+
 static int
 dma_check_name(const char *name)
 {
@@ -679,6 +692,23 @@ rte_dma_stats_reset(int16_t dev_id, uint16_t vchan)
 	return (*dev->dev_ops->stats_reset)(dev, vchan);
 }
 
+int
+rte_dma_vchan_status(int16_t dev_id, uint16_t vchan, enum rte_dma_vchan_status *status)
+{
+	struct rte_dma_dev *dev = &rte_dma_devices[dev_id];
+
+	if (!rte_dma_is_valid(dev_id))
+		return -EINVAL;
+
+	if (vchan >= dev->data->dev_conf.nb_vchans) {
+		RTE_DMA_LOG(ERR, "Device %u vchan %u out of range\n", dev_id, vchan);
+		return -EINVAL;
+	}
+
+	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vchan_status, -ENOTSUP);
+	return (*dev->dev_ops->vchan_status)(dev, vchan, status);
+}
+
 static const char *
 dma_capability_name(uint64_t capability)
 {
@@ -692,6 +722,7 @@ dma_capability_name(uint64_t capability)
 		{ RTE_DMA_CAPA_DEV_TO_DEV,  "dev2dev" },
 		{ RTE_DMA_CAPA_SVA,         "sva"     },
 		{ RTE_DMA_CAPA_SILENT,      "silent"  },
+		{ RTE_DMA_CAPA_HANDLES_ERRORS, "handles_errors" },
 		{ RTE_DMA_CAPA_OPS_COPY,    "copy"    },
 		{ RTE_DMA_CAPA_OPS_COPY_SG, "copy_sg" },
 		{ RTE_DMA_CAPA_OPS_FILL,    "fill"    },
@@ -813,6 +844,14 @@ dummy_completed_status(__rte_unused void *dev_private,
 	return 0;
 }
 
+static uint16_t
+dummy_burst_capacity(__rte_unused const void *dev_private,
+		     __rte_unused uint16_t vchan)
+{
+	RTE_DMA_LOG(ERR, "burst_capacity is not configured or not supported.");
+	return 0;
+}
+
 static void
 dma_fp_object_dummy(struct rte_dma_fp_object *obj)
 {
@@ -823,4 +862,5 @@ dma_fp_object_dummy(struct rte_dma_fp_object *obj)
 	obj->submit           = dummy_submit;
 	obj->completed        = dummy_completed;
 	obj->completed_status = dummy_completed_status;
+	obj->burst_capacity   = dummy_burst_capacity;
 }