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Diffstat (limited to 'src/spdk/dpdk/drivers/net/ark/ark_pktdir.h')
-rw-r--r--src/spdk/dpdk/drivers/net/ark/ark_pktdir.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/src/spdk/dpdk/drivers/net/ark/ark_pktdir.h b/src/spdk/dpdk/drivers/net/ark/ark_pktdir.h
new file mode 100644
index 00000000..314e6dea
--- /dev/null
+++ b/src/spdk/dpdk/drivers/net/ark/ark_pktdir.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2015-2018 Atomic Rules LLC
+ */
+
+#ifndef _ARK_PKTDIR_H_
+#define _ARK_PKTDIR_H_
+
+#include <stdint.h>
+
+#define ARK_PKTDIR_BASE_ADR 0xa0000
+
+typedef void *ark_pkt_dir_t;
+
+
+/* The packet director is an internal Arkville hardware module for
+ * directing packet data in non-typical flows, such as testing.
+ * This module is *not* intended for end-user manipulation, hence
+ * there is minimal documentation.
+ */
+
+/*
+ * This is an overlay structures to a memory mapped FPGA device. These
+ * structs will never be instantiated in ram memory
+ */
+struct ark_pkt_dir_regs {
+ uint32_t ctrl;
+ uint32_t status;
+ uint32_t stall_cnt;
+} __attribute__ ((packed));
+
+struct ark_pkt_dir_inst {
+ volatile struct ark_pkt_dir_regs *regs;
+};
+
+ark_pkt_dir_t ark_pktdir_init(void *base);
+void ark_pktdir_uninit(ark_pkt_dir_t handle);
+void ark_pktdir_setup(ark_pkt_dir_t handle, uint32_t v);
+uint32_t ark_pktdir_stall_cnt(ark_pkt_dir_t handle);
+uint32_t ark_pktdir_status(ark_pkt_dir_t handle);
+
+#endif