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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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2732ba561e
Re-brand the BNA driver to QLogic. Signed-off-by: Rasesh Mody <rasesh.mody@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
132 lines
3.3 KiB
C
132 lines
3.3 KiB
C
/*
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* Linux network driver for QLogic BR-series Converged Network Adapter.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License (GPL) Version 2 as
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* published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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/*
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* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
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* Copyright (c) 2014-2015 QLogic Corporation
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* All rights reserved
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* www.qlogic.com
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*/
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#ifndef __BFA_MSGQ_H__
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#define __BFA_MSGQ_H__
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#include "bfa_defs.h"
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#include "bfi.h"
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#include "bfa_ioc.h"
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#include "bfa_cs.h"
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#define BFA_MSGQ_FREE_CNT(_q) \
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(((_q)->consumer_index - (_q)->producer_index - 1) & ((_q)->depth - 1))
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#define BFA_MSGQ_INDX_ADD(_q_indx, _qe_num, _q_depth) \
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((_q_indx) = (((_q_indx) + (_qe_num)) & ((_q_depth) - 1)))
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#define BFA_MSGQ_CMDQ_NUM_ENTRY 128
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#define BFA_MSGQ_CMDQ_SIZE \
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(BFI_MSGQ_CMD_ENTRY_SIZE * BFA_MSGQ_CMDQ_NUM_ENTRY)
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#define BFA_MSGQ_RSPQ_NUM_ENTRY 128
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#define BFA_MSGQ_RSPQ_SIZE \
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(BFI_MSGQ_RSP_ENTRY_SIZE * BFA_MSGQ_RSPQ_NUM_ENTRY)
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#define bfa_msgq_cmd_set(_cmd, _cbfn, _cbarg, _msg_size, _msg_hdr) \
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do { \
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(_cmd)->cbfn = (_cbfn); \
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(_cmd)->cbarg = (_cbarg); \
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(_cmd)->msg_size = (_msg_size); \
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(_cmd)->msg_hdr = (_msg_hdr); \
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} while (0)
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struct bfa_msgq;
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typedef void (*bfa_msgq_cmdcbfn_t)(void *cbarg, enum bfa_status status);
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struct bfa_msgq_cmd_entry {
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struct list_head qe;
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bfa_msgq_cmdcbfn_t cbfn;
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void *cbarg;
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size_t msg_size;
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struct bfi_msgq_mhdr *msg_hdr;
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};
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enum bfa_msgq_cmdq_flags {
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BFA_MSGQ_CMDQ_F_DB_UPDATE = 1,
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};
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struct bfa_msgq_cmdq {
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bfa_fsm_t fsm;
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enum bfa_msgq_cmdq_flags flags;
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u16 producer_index;
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u16 consumer_index;
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u16 depth; /* FW Q depth is 16 bits */
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struct bfa_dma addr;
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struct bfa_mbox_cmd dbell_mb;
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u16 token;
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int offset;
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int bytes_to_copy;
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struct bfa_mbox_cmd copy_mb;
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struct list_head pending_q; /* pending command queue */
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struct bfa_msgq *msgq;
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};
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enum bfa_msgq_rspq_flags {
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BFA_MSGQ_RSPQ_F_DB_UPDATE = 1,
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};
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typedef void (*bfa_msgq_mcfunc_t)(void *cbarg, struct bfi_msgq_mhdr *mhdr);
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struct bfa_msgq_rspq {
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bfa_fsm_t fsm;
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enum bfa_msgq_rspq_flags flags;
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u16 producer_index;
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u16 consumer_index;
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u16 depth; /* FW Q depth is 16 bits */
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struct bfa_dma addr;
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struct bfa_mbox_cmd dbell_mb;
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int nmclass;
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struct {
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bfa_msgq_mcfunc_t cbfn;
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void *cbarg;
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} rsphdlr[BFI_MC_MAX];
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struct bfa_msgq *msgq;
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};
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struct bfa_msgq {
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struct bfa_msgq_cmdq cmdq;
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struct bfa_msgq_rspq rspq;
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struct bfa_wc init_wc;
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struct bfa_mbox_cmd init_mb;
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struct bfa_ioc_notify ioc_notify;
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struct bfa_ioc *ioc;
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};
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u32 bfa_msgq_meminfo(void);
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void bfa_msgq_memclaim(struct bfa_msgq *msgq, u8 *kva, u64 pa);
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void bfa_msgq_attach(struct bfa_msgq *msgq, struct bfa_ioc *ioc);
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void bfa_msgq_regisr(struct bfa_msgq *msgq, enum bfi_mclass mc,
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bfa_msgq_mcfunc_t cbfn, void *cbarg);
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void bfa_msgq_cmd_post(struct bfa_msgq *msgq,
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struct bfa_msgq_cmd_entry *cmd);
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void bfa_msgq_rsp_copy(struct bfa_msgq *msgq, u8 *buf, size_t buf_len);
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#endif
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