1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Linux network driver for QLogic BR-series Converged Network Adapter.
6 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
7 * Copyright (c) 2014-2015 QLogic Corporation
12 #ifndef __BFA_MSGQ_H__
13 #define __BFA_MSGQ_H__
20 #define BFA_MSGQ_FREE_CNT(_q) \
21 (((_q)->consumer_index - (_q)->producer_index - 1) & ((_q)->depth - 1))
23 #define BFA_MSGQ_INDX_ADD(_q_indx, _qe_num, _q_depth) \
24 ((_q_indx) = (((_q_indx) + (_qe_num)) & ((_q_depth) - 1)))
26 #define BFA_MSGQ_CMDQ_NUM_ENTRY 128
27 #define BFA_MSGQ_CMDQ_SIZE \
28 (BFI_MSGQ_CMD_ENTRY_SIZE * BFA_MSGQ_CMDQ_NUM_ENTRY)
30 #define BFA_MSGQ_RSPQ_NUM_ENTRY 128
31 #define BFA_MSGQ_RSPQ_SIZE \
32 (BFI_MSGQ_RSP_ENTRY_SIZE * BFA_MSGQ_RSPQ_NUM_ENTRY)
34 #define bfa_msgq_cmd_set(_cmd, _cbfn, _cbarg, _msg_size, _msg_hdr) \
36 (_cmd)->cbfn = (_cbfn); \
37 (_cmd)->cbarg = (_cbarg); \
38 (_cmd)->msg_size = (_msg_size); \
39 (_cmd)->msg_hdr = (_msg_hdr); \
44 typedef void (*bfa_msgq_cmdcbfn_t)(void *cbarg, enum bfa_status status);
46 struct bfa_msgq_cmd_entry {
48 bfa_msgq_cmdcbfn_t cbfn;
51 struct bfi_msgq_mhdr *msg_hdr;
54 enum bfa_msgq_cmdq_flags {
55 BFA_MSGQ_CMDQ_F_DB_UPDATE = 1,
58 struct bfa_msgq_cmdq {
60 enum bfa_msgq_cmdq_flags flags;
64 u16 depth; /* FW Q depth is 16 bits */
66 struct bfa_mbox_cmd dbell_mb;
71 struct bfa_mbox_cmd copy_mb;
73 struct list_head pending_q; /* pending command queue */
75 struct bfa_msgq *msgq;
78 enum bfa_msgq_rspq_flags {
79 BFA_MSGQ_RSPQ_F_DB_UPDATE = 1,
82 typedef void (*bfa_msgq_mcfunc_t)(void *cbarg, struct bfi_msgq_mhdr *mhdr);
84 struct bfa_msgq_rspq {
86 enum bfa_msgq_rspq_flags flags;
90 u16 depth; /* FW Q depth is 16 bits */
92 struct bfa_mbox_cmd dbell_mb;
96 bfa_msgq_mcfunc_t cbfn;
98 } rsphdlr[BFI_MC_MAX];
100 struct bfa_msgq *msgq;
104 struct bfa_msgq_cmdq cmdq;
105 struct bfa_msgq_rspq rspq;
107 struct bfa_wc init_wc;
108 struct bfa_mbox_cmd init_mb;
110 struct bfa_ioc_notify ioc_notify;
114 u32 bfa_msgq_meminfo(void);
115 void bfa_msgq_memclaim(struct bfa_msgq *msgq, u8 *kva, u64 pa);
116 void bfa_msgq_attach(struct bfa_msgq *msgq, struct bfa_ioc *ioc);
117 void bfa_msgq_regisr(struct bfa_msgq *msgq, enum bfi_mclass mc,
118 bfa_msgq_mcfunc_t cbfn, void *cbarg);
119 void bfa_msgq_cmd_post(struct bfa_msgq *msgq,
120 struct bfa_msgq_cmd_entry *cmd);
121 void bfa_msgq_rsp_copy(struct bfa_msgq *msgq, u8 *buf, size_t buf_len);