[mirror_ubuntu-jammy-kernel.git] / drivers / net / ethernet / brocade / bna / bfa_msgq.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Linux network driver for QLogic BR-series Converged Network Adapter.
 */
/*
 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
 * Copyright (c) 2014-2015 QLogic Corporation
 * All rights reserved
 * www.qlogic.com
 */

#ifndef __BFA_MSGQ_H__
#define __BFA_MSGQ_H__

#include "bfa_defs.h"
#include "bfi.h"
#include "bfa_ioc.h"
#include "bfa_cs.h"

#define BFA_MSGQ_FREE_CNT(_q)						\
	(((_q)->consumer_index - (_q)->producer_index - 1) & ((_q)->depth - 1))

#define BFA_MSGQ_INDX_ADD(_q_indx, _qe_num, _q_depth)			\
	((_q_indx) = (((_q_indx) + (_qe_num)) & ((_q_depth) - 1)))

#define BFA_MSGQ_CMDQ_NUM_ENTRY		128
#define BFA_MSGQ_CMDQ_SIZE						\
	(BFI_MSGQ_CMD_ENTRY_SIZE * BFA_MSGQ_CMDQ_NUM_ENTRY)

#define BFA_MSGQ_RSPQ_NUM_ENTRY		128
#define BFA_MSGQ_RSPQ_SIZE						\
	(BFI_MSGQ_RSP_ENTRY_SIZE * BFA_MSGQ_RSPQ_NUM_ENTRY)

#define bfa_msgq_cmd_set(_cmd, _cbfn, _cbarg, _msg_size, _msg_hdr)	\
do {									\
	(_cmd)->cbfn = (_cbfn);						\
	(_cmd)->cbarg = (_cbarg);					\
	(_cmd)->msg_size = (_msg_size);					\
	(_cmd)->msg_hdr = (_msg_hdr);					\
} while (0)

struct bfa_msgq;

typedef void (*bfa_msgq_cmdcbfn_t)(void *cbarg, enum bfa_status status);

struct bfa_msgq_cmd_entry {
	struct list_head				qe;
	bfa_msgq_cmdcbfn_t		cbfn;
	void				*cbarg;
	size_t				msg_size;
	struct bfi_msgq_mhdr *msg_hdr;
};

enum bfa_msgq_cmdq_flags {
	BFA_MSGQ_CMDQ_F_DB_UPDATE	= 1,
};

struct bfa_msgq_cmdq {
	bfa_fsm_t			fsm;
	enum bfa_msgq_cmdq_flags flags;

	u16			producer_index;
	u16			consumer_index;
	u16			depth; /* FW Q depth is 16 bits */
	struct bfa_dma addr;
	struct bfa_mbox_cmd dbell_mb;

	u16			token;
	int				offset;
	int				bytes_to_copy;
	struct bfa_mbox_cmd copy_mb;

	struct list_head		pending_q; /* pending command queue */

	struct bfa_msgq *msgq;
};

enum bfa_msgq_rspq_flags {
	BFA_MSGQ_RSPQ_F_DB_UPDATE	= 1,
};

typedef void (*bfa_msgq_mcfunc_t)(void *cbarg, struct bfi_msgq_mhdr *mhdr);

struct bfa_msgq_rspq {
	bfa_fsm_t			fsm;
	enum bfa_msgq_rspq_flags flags;

	u16			producer_index;
	u16			consumer_index;
	u16			depth; /* FW Q depth is 16 bits */
	struct bfa_dma addr;
	struct bfa_mbox_cmd dbell_mb;

	int				nmclass;
	struct {
		bfa_msgq_mcfunc_t	cbfn;
		void			*cbarg;
	} rsphdlr[BFI_MC_MAX];

	struct bfa_msgq *msgq;
};

struct bfa_msgq {
	struct bfa_msgq_cmdq cmdq;
	struct bfa_msgq_rspq rspq;

	struct bfa_wc			init_wc;
	struct bfa_mbox_cmd init_mb;

	struct bfa_ioc_notify ioc_notify;
	struct bfa_ioc *ioc;
};

u32 bfa_msgq_meminfo(void);
void bfa_msgq_memclaim(struct bfa_msgq *msgq, u8 *kva, u64 pa);
void bfa_msgq_attach(struct bfa_msgq *msgq, struct bfa_ioc *ioc);
void bfa_msgq_regisr(struct bfa_msgq *msgq, enum bfi_mclass mc,
		     bfa_msgq_mcfunc_t cbfn, void *cbarg);
void bfa_msgq_cmd_post(struct bfa_msgq *msgq,
		       struct bfa_msgq_cmd_entry *cmd);
void bfa_msgq_rsp_copy(struct bfa_msgq *msgq, u8 *buf, size_t buf_len);

#endif
Commit	Line	Data
52fa7bf9	1	/* SPDX-License-Identifier: GPL-2.0-only */
af027a34	2	/*
2732ba56	3	* Linux network driver for QLogic BR-series Converged Network Adapter.
af027a34 RM	4	*/
af027a34 RM	5	/*
2732ba56 RM	6	* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
2732ba56 RM	7	* Copyright (c) 2014-2015 QLogic Corporation
af027a34	8	* All rights reserved
2732ba56	9	* www.qlogic.com
af027a34 RM	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	struct bfa_msgq_cmdq {
	59	bfa_fsm_t fsm;
	60	enum bfa_msgq_cmdq_flags flags;
	61
	62	u16 producer_index;
	63	u16 consumer_index;
	64	u16 depth; /* FW Q depth is 16 bits */
	65	struct bfa_dma addr;
	66	struct bfa_mbox_cmd dbell_mb;
	67
	68	u16 token;
	69	int offset;
	70	int bytes_to_copy;
	71	struct bfa_mbox_cmd copy_mb;
	72
	73	struct list_head pending_q; /* pending command queue */
74
75	struct bfa_msgq *msgq;
76	};
77
78	enum bfa_msgq_rspq_flags {
79	BFA_MSGQ_RSPQ_F_DB_UPDATE = 1,
80	};
81
82	typedef void (bfa_msgq_mcfunc_t)(void cbarg, struct bfi_msgq_mhdr *mhdr);
83
84	struct bfa_msgq_rspq {
85	bfa_fsm_t fsm;
86	enum bfa_msgq_rspq_flags flags;
87
88	u16 producer_index;
89	u16 consumer_index;
90	u16 depth; /* FW Q depth is 16 bits */
91	struct bfa_dma addr;
92	struct bfa_mbox_cmd dbell_mb;
93
94	int nmclass;
95	struct {
96	bfa_msgq_mcfunc_t cbfn;
97	void *cbarg;
98	} rsphdlr[BFI_MC_MAX];
99
100	struct bfa_msgq *msgq;
101	};
102
103	struct bfa_msgq {
104	struct bfa_msgq_cmdq cmdq;
105	struct bfa_msgq_rspq rspq;
106
107	struct bfa_wc init_wc;
108	struct bfa_mbox_cmd init_mb;
109
110	struct bfa_ioc_notify ioc_notify;
111	struct bfa_ioc *ioc;
112	};
113
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);
122
123	#endif