1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Linux network driver for QLogic BR-series Converged Network Adapter. |
4 | */ |
5 | /* |
6 | * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. |
7 | * Copyright (c) 2014-2015 QLogic Corporation |
8 | * All rights reserved |
9 | * www.qlogic.com |
10 | */ |
11 | |
12 | #ifndef __BFA_MSGQ_H__ |
13 | #define __BFA_MSGQ_H__ |
14 | |
15 | #include "bfa_defs.h" |
16 | #include "bfi.h" |
17 | #include "bfa_ioc.h" |
18 | #include "bfa_cs.h" |
19 | |
20 | #define BFA_MSGQ_FREE_CNT(_q) \ |
21 | (((_q)->consumer_index - (_q)->producer_index - 1) & ((_q)->depth - 1)) |
22 | |
23 | #define BFA_MSGQ_INDX_ADD(_q_indx, _qe_num, _q_depth) \ |
24 | ((_q_indx) = (((_q_indx) + (_qe_num)) & ((_q_depth) - 1))) |
25 | |
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) |
29 | |
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) |
33 | |
34 | #define bfa_msgq_cmd_set(_cmd, _cbfn, _cbarg, _msg_size, _msg_hdr) \ |
35 | do { \ |
36 | (_cmd)->cbfn = (_cbfn); \ |
37 | (_cmd)->cbarg = (_cbarg); \ |
38 | (_cmd)->msg_size = (_msg_size); \ |
39 | (_cmd)->msg_hdr = (_msg_hdr); \ |
40 | } while (0) |
41 | |
42 | struct bfa_msgq; |
43 | |
44 | typedef void (*bfa_msgq_cmdcbfn_t)(void *cbarg, enum bfa_status status); |
45 | |
46 | struct bfa_msgq_cmd_entry { |
47 | struct list_head qe; |
48 | bfa_msgq_cmdcbfn_t cbfn; |
49 | void *cbarg; |
50 | size_t msg_size; |
51 | struct bfi_msgq_mhdr *msg_hdr; |
52 | }; |
53 | |
54 | enum bfa_msgq_cmdq_flags { |
55 | BFA_MSGQ_CMDQ_F_DB_UPDATE = 1, |
56 | }; |
57 | |
58 | enum cmdq_event; |
59 | |
60 | struct bfa_msgq_cmdq { |
61 | void (*fsm)(struct bfa_msgq_cmdq *s, enum cmdq_event e); |
62 | enum bfa_msgq_cmdq_flags flags; |
63 | |
64 | u16 producer_index; |
65 | u16 consumer_index; |
66 | u16 depth; /* FW Q depth is 16 bits */ |
67 | struct bfa_dma addr; |
68 | struct bfa_mbox_cmd dbell_mb; |
69 | |
70 | u16 token; |
71 | int offset; |
72 | int bytes_to_copy; |
73 | struct bfa_mbox_cmd copy_mb; |
74 | |
75 | struct list_head pending_q; /* pending command queue */ |
76 | |
77 | struct bfa_msgq *msgq; |
78 | }; |
79 | |
80 | enum bfa_msgq_rspq_flags { |
81 | BFA_MSGQ_RSPQ_F_DB_UPDATE = 1, |
82 | }; |
83 | |
84 | typedef void (*bfa_msgq_mcfunc_t)(void *cbarg, struct bfi_msgq_mhdr *mhdr); |
85 | |
86 | enum rspq_event; |
87 | |
88 | struct bfa_msgq_rspq { |
89 | void (*fsm)(struct bfa_msgq_rspq *s, enum rspq_event e); |
90 | enum bfa_msgq_rspq_flags flags; |
91 | |
92 | u16 producer_index; |
93 | u16 consumer_index; |
94 | u16 depth; /* FW Q depth is 16 bits */ |
95 | struct bfa_dma addr; |
96 | struct bfa_mbox_cmd dbell_mb; |
97 | |
98 | int nmclass; |
99 | struct { |
100 | bfa_msgq_mcfunc_t cbfn; |
101 | void *cbarg; |
102 | } rsphdlr[BFI_MC_MAX]; |
103 | |
104 | struct bfa_msgq *msgq; |
105 | }; |
106 | |
107 | struct bfa_msgq { |
108 | struct bfa_msgq_cmdq cmdq; |
109 | struct bfa_msgq_rspq rspq; |
110 | |
111 | struct bfa_wc init_wc; |
112 | struct bfa_mbox_cmd init_mb; |
113 | |
114 | struct bfa_ioc_notify ioc_notify; |
115 | struct bfa_ioc *ioc; |
116 | }; |
117 | |
118 | u32 bfa_msgq_meminfo(void); |
119 | void bfa_msgq_memclaim(struct bfa_msgq *msgq, u8 *kva, u64 pa); |
120 | void bfa_msgq_attach(struct bfa_msgq *msgq, struct bfa_ioc *ioc); |
121 | void bfa_msgq_regisr(struct bfa_msgq *msgq, enum bfi_mclass mc, |
122 | bfa_msgq_mcfunc_t cbfn, void *cbarg); |
123 | void bfa_msgq_cmd_post(struct bfa_msgq *msgq, |
124 | struct bfa_msgq_cmd_entry *cmd); |
125 | void bfa_msgq_rsp_copy(struct bfa_msgq *msgq, u8 *buf, size_t buf_len); |
126 | |
127 | #endif |
128 | |