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raw/octeontx2_dma: add dequeue and device control operations

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Add dequeue, device start, stop, close and reset operations.

Signed-off-by: Satha Rao <skoteshwar@marvell.com>
Signed-off-by: Vamsi Attunuru <vattunuru@marvell.com>
This commit is contained in:
Satha Rao 2019-07-05 14:08:03 +05:30 committed by Thomas Monjalon
parent 59d345dad3
commit 78ca17f594
1 changed files with 64 additions and 0 deletions
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64
drivers/raw/octeontx2_dma/otx2_dpi_rawdev.c
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@ -234,6 +234,65 @@ otx2_dpi_rawdev_enqueue_bufs(struct rte_rawdev *dev,
return c;
}
/* Check for command completion, returns number of commands completed */
static int
otx2_dpi_rawdev_dequeue_bufs(struct rte_rawdev *dev __rte_unused,
struct rte_rawdev_buf **buffers,
unsigned int count, rte_rawdev_obj_t context)
{
struct dpi_dma_queue_ctx_s *ctx = (struct dpi_dma_queue_ctx_s *)context;
unsigned int i = 0, headp;
/* No completion ring to poll */
if (ctx->c_ring == NULL)
return 0;
headp = ctx->c_ring->head;
for (i = 0; i < count && (headp != ctx->c_ring->tail); i++) {
struct dpi_dma_req_compl_s *comp_ptr =
ctx->c_ring->compl_data[headp];
if (comp_ptr->cdata)
break;
/* Request Completed */
buffers[i] = (void *)comp_ptr;
headp = (headp + 1) % ctx->c_ring->max_cnt;
}
ctx->c_ring->head = headp;
return i;
}
static int
otx2_dpi_rawdev_start(struct rte_rawdev *dev)
{
dev->started = DPI_QUEUE_START;
return DPI_DMA_QUEUE_SUCCESS;
}
static void
otx2_dpi_rawdev_stop(struct rte_rawdev *dev)
{
dev->started = DPI_QUEUE_STOP;
}
static int
otx2_dpi_rawdev_close(struct rte_rawdev *dev)
{
dma_engine_enb_dis(dev->dev_private, false);
dma_queue_finish(dev->dev_private);
return DPI_DMA_QUEUE_SUCCESS;
}
static int
otx2_dpi_rawdev_reset(struct rte_rawdev *dev)
{
return dev ? DPI_QUEUE_STOP : DPI_QUEUE_START;
}
static int
otx2_dpi_rawdev_configure(const struct rte_rawdev *dev, rte_rawdev_obj_t config)
{
@ -273,7 +332,12 @@ otx2_dpi_rawdev_configure(const struct rte_rawdev *dev, rte_rawdev_obj_t config)
static const struct rte_rawdev_ops dpi_rawdev_ops = {
.dev_configure = otx2_dpi_rawdev_configure,
.dev_start = otx2_dpi_rawdev_start,
.dev_stop = otx2_dpi_rawdev_stop,
.dev_close = otx2_dpi_rawdev_close,
.dev_reset = otx2_dpi_rawdev_reset,
.enqueue_bufs = otx2_dpi_rawdev_enqueue_bufs,
.dequeue_bufs = otx2_dpi_rawdev_dequeue_bufs,
};
static int