diff options
Diffstat (limited to 'src/spdk/dpdk/drivers/net/ark/ark_pktdir.h')
-rw-r--r-- | src/spdk/dpdk/drivers/net/ark/ark_pktdir.h | 41 |
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 |