X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fcrypto%2Fccp%2Fccp_dev.c;h=80fe6a4533446415ab3e592238c5c021981d2379;hb=1b03e2929114d4ebfc7a2159d0d45f0a3e9a7ba6;hp=724b5bd004c09247faef8cdcb463dc59e3798ab5;hpb=ef4b04f87fa6388f781cadf3735b2d06bf34b424;p=dpdk.git

diff --git a/drivers/crypto/ccp/ccp_dev.c b/drivers/crypto/ccp/ccp_dev.c
index 724b5bd004..80fe6a4533 100644
--- a/drivers/crypto/ccp/ccp_dev.c
+++ b/drivers/crypto/ccp/ccp_dev.c
@@ -26,6 +26,62 @@
 struct ccp_list ccp_list = TAILQ_HEAD_INITIALIZER(ccp_list);
 static int ccp_dev_id;
 
+int
+ccp_dev_start(struct rte_cryptodev *dev)
+{
+	struct ccp_private *priv = dev->data->dev_private;
+
+	priv->last_dev = TAILQ_FIRST(&ccp_list);
+	return 0;
+}
+
+struct ccp_queue *
+ccp_allot_queue(struct rte_cryptodev *cdev, int slot_req)
+{
+	int i, ret = 0;
+	struct ccp_device *dev;
+	struct ccp_private *priv = cdev->data->dev_private;
+
+	dev = TAILQ_NEXT(priv->last_dev, next);
+	if (unlikely(dev == NULL))
+		dev = TAILQ_FIRST(&ccp_list);
+	priv->last_dev = dev;
+	if (dev->qidx >= dev->cmd_q_count)
+		dev->qidx = 0;
+	ret = rte_atomic64_read(&dev->cmd_q[dev->qidx].free_slots);
+	if (ret >= slot_req)
+		return &dev->cmd_q[dev->qidx];
+	for (i = 0; i < dev->cmd_q_count; i++) {
+		dev->qidx++;
+		if (dev->qidx >= dev->cmd_q_count)
+			dev->qidx = 0;
+		ret = rte_atomic64_read(&dev->cmd_q[dev->qidx].free_slots);
+		if (ret >= slot_req)
+			return &dev->cmd_q[dev->qidx];
+	}
+	return NULL;
+}
+
+int
+ccp_read_hwrng(uint32_t *value)
+{
+	struct ccp_device *dev;
+
+	TAILQ_FOREACH(dev, &ccp_list, next) {
+		void *vaddr = (void *)(dev->pci.mem_resource[2].addr);
+
+		while (dev->hwrng_retries++ < CCP_MAX_TRNG_RETRIES) {
+			*value = CCP_READ_REG(vaddr, TRNG_OUT_REG);
+			if (*value) {
+				dev->hwrng_retries = 0;
+				return 0;
+			}
+		}
+		dev->hwrng_retries = 0;
+	}
+	return -1;
+}
+
 static const struct rte_memzone *
 ccp_queue_dma_zone_reserve(const char *queue_name,
 			   uint32_t queue_size,