ebc539271e
Add the stats function to get the DMA statistics. Signed-off-by: Radha Mohan Chintakuntla <radhac@marvell.com>
45 lines
965 B
C
45 lines
965 B
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(C) 2021 Marvell International Ltd.
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*/
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#ifndef CNXK_DMADEV_H
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#define CNXK_DMADEV_H
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#define DPI_MAX_POINTER 15
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#define DPI_QUEUE_STOP 0x0
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#define DPI_QUEUE_START 0x1
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#define STRM_INC(s) ((s).tail = ((s).tail + 1) % (s).max_cnt)
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#define DPI_MAX_DESC DPI_MAX_POINTER
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/* Set Completion data to 0xFF when request submitted,
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* upon successful request completion engine reset to completion status
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*/
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#define DPI_REQ_CDATA 0xFF
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struct cnxk_dpi_compl_s {
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uint64_t cdata;
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void *cb_data;
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};
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struct cnxk_dpi_cdesc_data_s {
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struct cnxk_dpi_compl_s *compl_ptr[DPI_MAX_DESC];
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uint16_t max_cnt;
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uint16_t head;
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uint16_t tail;
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};
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struct cnxk_dpi_conf {
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union dpi_instr_hdr_s hdr;
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struct cnxk_dpi_cdesc_data_s c_desc;
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};
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struct cnxk_dpi_vf_s {
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struct roc_dpi rdpi;
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struct cnxk_dpi_conf conf;
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struct rte_dma_stats stats;
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uint64_t cmd[DPI_MAX_CMD_SIZE];
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uint32_t num_words;
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uint16_t desc_idx;
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};
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#endif
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