Imported Upstream version 17.05

[deb_dpdk.git] / drivers / net / ark / ark_pktdir.c

diff --git a/drivers/net/ark/ark_pktdir.c b/drivers/net/ark/ark_pktdir.c
new file mode 100644 (file)
index 0000000..66e5ce2
--- /dev/null
+++ b/drivers/net/ark/ark_pktdir.c
@@ -0,0 +1,80 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright (c) 2015-2017 Atomic Rules LLC
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of copyright holder nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdint.h>
+#include <inttypes.h>
+
+#include "ark_pktdir.h"
+#include "ark_global.h"
+
+
+ark_pkt_dir_t
+ark_pktdir_init(void *base)
+{
+       struct ark_pkt_dir_inst *inst =
+               rte_malloc("ark_pkt_dir_inst",
+                          sizeof(struct ark_pkt_dir_inst),
+                          0);
+       inst->regs = (struct ark_pkt_dir_regs *)base;
+       inst->regs->ctrl = 0x00110110;  /* POR state */
+       return inst;
+}
+
+void
+ark_pktdir_uninit(ark_pkt_dir_t handle)
+{
+       struct ark_pkt_dir_inst *inst = (struct ark_pkt_dir_inst *)handle;
+
+       rte_free(inst);
+}
+
+void
+ark_pktdir_setup(ark_pkt_dir_t handle, uint32_t v)
+{
+       struct ark_pkt_dir_inst *inst = (struct ark_pkt_dir_inst *)handle;
+       inst->regs->ctrl = v;
+}
+
+uint32_t
+ark_pktdir_status(ark_pkt_dir_t handle)
+{
+       struct ark_pkt_dir_inst *inst = (struct ark_pkt_dir_inst *)handle;
+       return inst->regs->ctrl;
+}
+
+uint32_t
+ark_pktdir_stall_cnt(ark_pkt_dir_t handle)
+{
+       struct ark_pkt_dir_inst *inst = (struct ark_pkt_dir_inst *)handle;
+       return inst->regs->stall_cnt;
+}