Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / net / ethernet / brocade / bna / bfa_msgq.h

diff --git a/kernel/drivers/net/ethernet/brocade/bna/bfa_msgq.h b/kernel/drivers/net/ethernet/brocade/bna/bfa_msgq.h
new file mode 100644 (file)
index 0000000..66bc8b5
--- /dev/null
+++ b/kernel/drivers/net/ethernet/brocade/bna/bfa_msgq.h
@@ -0,0 +1,131 @@
+/*
+ * Linux network driver for QLogic BR-series 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) 2005-2014 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