mirror of https://github.com/F-Stack/f-stack.git
64 lines
1.4 KiB
C
64 lines
1.4 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2010-2020 Intel Corporation
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*/
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#ifndef _IOAT_H_
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#define _IOAT_H_
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#include <rte_vhost.h>
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#include <rte_pci.h>
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#include <rte_vhost_async.h>
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#define MAX_VHOST_DEVICE 1024
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#define IOAT_RING_SIZE 4096
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#define MAX_ENQUEUED_SIZE 256
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struct dma_info {
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struct rte_pci_addr addr;
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uint16_t dev_id;
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bool is_valid;
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};
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struct dma_for_vhost {
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struct dma_info dmas[RTE_MAX_QUEUES_PER_PORT * 2];
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uint16_t nr;
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};
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#ifdef RTE_RAW_IOAT
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int open_ioat(const char *value);
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uint32_t
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ioat_transfer_data_cb(int vid, uint16_t queue_id,
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struct rte_vhost_async_desc *descs,
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struct rte_vhost_async_status *opaque_data, uint16_t count);
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uint32_t
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ioat_check_completed_copies_cb(int vid, uint16_t queue_id,
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struct rte_vhost_async_status *opaque_data,
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uint16_t max_packets);
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#else
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static int open_ioat(const char *value __rte_unused)
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{
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return -1;
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}
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static uint32_t
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ioat_transfer_data_cb(int vid __rte_unused, uint16_t queue_id __rte_unused,
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struct rte_vhost_async_desc *descs __rte_unused,
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struct rte_vhost_async_status *opaque_data __rte_unused,
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uint16_t count __rte_unused)
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{
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return -1;
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}
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static uint32_t
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ioat_check_completed_copies_cb(int vid __rte_unused,
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uint16_t queue_id __rte_unused,
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struct rte_vhost_async_status *opaque_data __rte_unused,
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uint16_t max_packets __rte_unused)
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{
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return -1;
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}
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#endif
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#endif /* _IOAT_H_ */
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