X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fvirtio%2Fvirtio.c;h=d9e642f412eb9ef707cc664b4753b277115f01cb;hb=99ebada2d6d9db23be39f737f26c7bf5f0a26b9c;hp=d8d6bf7add4371543d82be611eaddce5a2e89c81;hpb=b4f9a45affd26ddfdb373b79e4ebd78fe2da1383;p=dpdk.git

diff --git a/drivers/net/virtio/virtio.c b/drivers/net/virtio/virtio.c
index d8d6bf7add..d9e642f412 100644
--- a/drivers/net/virtio/virtio.c
+++ b/drivers/net/virtio/virtio.c
@@ -3,7 +3,10 @@
  * Copyright(c) 2020 Red Hat, Inc.
  */
 
+#include <unistd.h>
+
 #include "virtio.h"
+#include "virtio_logs.h"
 
 uint64_t
 virtio_negotiate_features(struct virtio_hw *hw, uint64_t host_features)
@@ -20,3 +23,60 @@ virtio_negotiate_features(struct virtio_hw *hw, uint64_t host_features)
 	return features;
 }
 
+
+void
+virtio_read_dev_config(struct virtio_hw *hw, size_t offset,
+		      void *dst, int length)
+{
+	VIRTIO_OPS(hw)->read_dev_cfg(hw, offset, dst, length);
+}
+
+void
+virtio_write_dev_config(struct virtio_hw *hw, size_t offset,
+		       const void *src, int length)
+{
+	VIRTIO_OPS(hw)->write_dev_cfg(hw, offset, src, length);
+}
+
+void
+virtio_reset(struct virtio_hw *hw)
+{
+	uint32_t retry = 0;
+
+	VIRTIO_OPS(hw)->set_status(hw, VIRTIO_CONFIG_STATUS_RESET);
+	/* Flush status write and wait device ready max 3 seconds. */
+	while (VIRTIO_OPS(hw)->get_status(hw) != VIRTIO_CONFIG_STATUS_RESET) {
+		if (retry++ > 3000) {
+			PMD_INIT_LOG(WARNING, "port %u device reset timeout", hw->port_id);
+			break;
+		}
+		usleep(1000L);
+	}
+}
+
+void
+virtio_reinit_complete(struct virtio_hw *hw)
+{
+	virtio_set_status(hw, VIRTIO_CONFIG_STATUS_DRIVER_OK);
+}
+
+void
+virtio_set_status(struct virtio_hw *hw, uint8_t status)
+{
+	if (status != VIRTIO_CONFIG_STATUS_RESET)
+		status |= VIRTIO_OPS(hw)->get_status(hw);
+
+	VIRTIO_OPS(hw)->set_status(hw, status);
+}
+
+uint8_t
+virtio_get_status(struct virtio_hw *hw)
+{
+	return VIRTIO_OPS(hw)->get_status(hw);
+}
+
+uint8_t
+virtio_get_isr(struct virtio_hw *hw)
+{
+	return VIRTIO_OPS(hw)->get_isr(hw);
+}