mirror of https://github.com/F-Stack/f-stack.git
98 lines
3.7 KiB
C
98 lines
3.7 KiB
C
/*
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* BSD LICENSE
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*
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* Copyright (C) Cavium Inc. 2017. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Cavium networks nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __OCTEONTX_PKO_H__
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#define __OCTEONTX_PKO_H__
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/* PKO maximum constants */
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#define PKO_VF_MAX (32)
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#define PKO_VF_NUM_DQ (8)
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#define PKO_MAX_NUM_DQ (8)
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#define PKO_DQ_DRAIN_TO (1000)
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#define PKO_DQ_FC_SKID (4)
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#define PKO_DQ_FC_DEPTH_PAGES (2048)
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#define PKO_DQ_FC_STRIDE_16 (16)
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#define PKO_DQ_FC_STRIDE_128 (128)
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#define PKO_DQ_FC_STRIDE PKO_DQ_FC_STRIDE_16
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#define PKO_DQ_KIND_BIT 49
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#define PKO_DQ_STATUS_BIT 60
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#define PKO_DQ_OP_BIT 48
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/* PKO VF register offsets from VF_BAR0 */
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#define PKO_VF_DQ_SW_XOFF(gdq) (0x000100 | (gdq) << 17)
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#define PKO_VF_DQ_WM_CTL(gdq) (0x000130 | (gdq) << 17)
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#define PKO_VF_DQ_WM_CNT(gdq) (0x000150 | (gdq) << 17)
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#define PKO_VF_DQ_FC_CONFIG (0x000160)
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#define PKO_VF_DQ_FC_STATUS(gdq) (0x000168 | (gdq) << 17)
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#define PKO_VF_DQ_OP_SEND(gdq, op) (0x001000 | (gdq) << 17 | (op) << 3)
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#define PKO_VF_DQ_OP_OPEN(gdq) (0x001100 | (gdq) << 17)
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#define PKO_VF_DQ_OP_CLOSE(gdq) (0x001200 | (gdq) << 17)
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#define PKO_VF_DQ_OP_QUERY(gdq) (0x001300 | (gdq) << 17)
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/* pko_send_hdr_s + pko_send_link */
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#define PKO_CMD_SZ (2 << 1)
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#define PKO_SEND_GATHER_SUBDC (0x0ull << 60)
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#define PKO_SEND_GATHER_LDTYPE(x) ((x) << 58)
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#define PKO_SEND_GATHER_GAUAR(x) ((x) << 24)
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typedef struct octeontx_dq_s {
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void *lmtline_va;
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void *ioreg_va;
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void *fc_status_va;
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} octeontx_dq_t;
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/**
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* Function for extracting information out of a given DQ.
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*
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* It is intended to be used in slow path (configuration) in
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* octeontx_pko_channel_query().
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*
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* @param dq The DQ to extract information from.
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* @param out Pointer to the user's structure he wants to fill.
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*/
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typedef void (*octeontx_pko_dq_getter_t)(octeontx_dq_t *dq, void *out);
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int
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octeontx_pko_channel_query_dqs(int chanid, void *out, size_t out_elem_size,
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size_t dq_num, octeontx_pko_dq_getter_t getter);
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int octeontx_pko_channel_open(int dq_base, int dq_num, int chanid);
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int octeontx_pko_channel_close(int chanid);
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int octeontx_pko_channel_start(int chanid);
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int octeontx_pko_channel_stop(int chanid);
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int octeontx_pko_vf_count(void);
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int octeontx_pko_init_fc(const size_t pko_vf_count);
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void octeontx_pko_fc_free(void);
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#endif /* __OCTEONTX_PKO_H__ */
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