1 files changed, 123 insertions, 0 deletions
diff --git a/drivers/net/ethernet/brocade/bna/bfa_msgq.h b/drivers/net/ethernet/brocade/bna/bfa_msgq.h
new file mode 100644
index 000000000..75343b535
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bfa_msgq.h
@@ -0,0 +1,123 @@
+/* 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