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Diffstat (limited to 'drivers/net/ethernet/brocade/bna/bfa_msgq.h')
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_msgq.h130
1 files changed, 130 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 00000000000..a6a565a366d
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/bfa_msgq.h
@@ -0,0 +1,130 @@
+/*
+ * Linux network driver for Brocade Converged Network Adapter.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License (GPL) Version 2 as
+ * published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+/*
+ * Copyright (c) 2005-2011 Brocade Communications Systems, Inc.
+ * All rights reserved
+ * www.brocade.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