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![Thomas Gleixner](/assets/img/avatar_default.png)
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 66 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141901.606369721@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
440 lines
15 KiB
C
440 lines
15 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
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* Copyright (c) 2014- QLogic Corporation.
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* All rights reserved
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* www.qlogic.com
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*
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* Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
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*/
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#ifndef __BFA_H__
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#define __BFA_H__
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#include "bfad_drv.h"
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#include "bfa_cs.h"
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#include "bfa_plog.h"
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#include "bfa_defs_svc.h"
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#include "bfi.h"
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#include "bfa_ioc.h"
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struct bfa_s;
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typedef void (*bfa_isr_func_t) (struct bfa_s *bfa, struct bfi_msg_s *m);
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typedef void (*bfa_cb_cbfn_status_t) (void *cbarg, bfa_status_t status);
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/*
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* Interrupt message handlers
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*/
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void bfa_isr_unhandled(struct bfa_s *bfa, struct bfi_msg_s *m);
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/*
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* Request and response queue related defines
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*/
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#define BFA_REQQ_NELEMS_MIN (4)
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#define BFA_RSPQ_NELEMS_MIN (4)
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#define bfa_reqq_pi(__bfa, __reqq) ((__bfa)->iocfc.req_cq_pi[__reqq])
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#define bfa_reqq_ci(__bfa, __reqq) \
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(*(u32 *)((__bfa)->iocfc.req_cq_shadow_ci[__reqq].kva))
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#define bfa_reqq_full(__bfa, __reqq) \
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(((bfa_reqq_pi(__bfa, __reqq) + 1) & \
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((__bfa)->iocfc.cfg.drvcfg.num_reqq_elems - 1)) == \
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bfa_reqq_ci(__bfa, __reqq))
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#define bfa_reqq_next(__bfa, __reqq) \
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(bfa_reqq_full(__bfa, __reqq) ? NULL : \
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((void *)((struct bfi_msg_s *)((__bfa)->iocfc.req_cq_ba[__reqq].kva) \
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+ bfa_reqq_pi((__bfa), (__reqq)))))
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#define bfa_reqq_produce(__bfa, __reqq, __mh) do { \
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(__mh).mtag.h2i.qid = (__bfa)->iocfc.hw_qid[__reqq];\
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(__bfa)->iocfc.req_cq_pi[__reqq]++; \
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(__bfa)->iocfc.req_cq_pi[__reqq] &= \
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((__bfa)->iocfc.cfg.drvcfg.num_reqq_elems - 1); \
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writel((__bfa)->iocfc.req_cq_pi[__reqq], \
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(__bfa)->iocfc.bfa_regs.cpe_q_pi[__reqq]); \
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} while (0)
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#define bfa_rspq_pi(__bfa, __rspq) \
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(*(u32 *)((__bfa)->iocfc.rsp_cq_shadow_pi[__rspq].kva))
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#define bfa_rspq_ci(__bfa, __rspq) ((__bfa)->iocfc.rsp_cq_ci[__rspq])
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#define bfa_rspq_elem(__bfa, __rspq, __ci) \
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(&((struct bfi_msg_s *)((__bfa)->iocfc.rsp_cq_ba[__rspq].kva))[__ci])
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#define CQ_INCR(__index, __size) do { \
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(__index)++; \
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(__index) &= ((__size) - 1); \
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} while (0)
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/*
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* Circular queue usage assignments
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*/
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enum {
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BFA_REQQ_IOC = 0, /* all low-priority IOC msgs */
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BFA_REQQ_FCXP = 0, /* all FCXP messages */
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BFA_REQQ_LPS = 0, /* all lport service msgs */
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BFA_REQQ_PORT = 0, /* all port messages */
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BFA_REQQ_FLASH = 0, /* for flash module */
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BFA_REQQ_DIAG = 0, /* for diag module */
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BFA_REQQ_RPORT = 0, /* all port messages */
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BFA_REQQ_SBOOT = 0, /* all san boot messages */
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BFA_REQQ_QOS_LO = 1, /* all low priority IO */
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BFA_REQQ_QOS_MD = 2, /* all medium priority IO */
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BFA_REQQ_QOS_HI = 3, /* all high priority IO */
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};
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static inline void
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bfa_reqq_winit(struct bfa_reqq_wait_s *wqe, void (*qresume) (void *cbarg),
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void *cbarg)
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{
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wqe->qresume = qresume;
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wqe->cbarg = cbarg;
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}
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#define bfa_reqq(__bfa, __reqq) (&(__bfa)->reqq_waitq[__reqq])
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/*
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* static inline void
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* bfa_reqq_wait(struct bfa_s *bfa, int reqq, struct bfa_reqq_wait_s *wqe)
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*/
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#define bfa_reqq_wait(__bfa, __reqq, __wqe) do { \
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\
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struct list_head *waitq = bfa_reqq(__bfa, __reqq); \
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\
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WARN_ON(((__reqq) >= BFI_IOC_MAX_CQS)); \
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WARN_ON(!((__wqe)->qresume && (__wqe)->cbarg)); \
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\
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list_add_tail(&(__wqe)->qe, waitq); \
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} while (0)
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#define bfa_reqq_wcancel(__wqe) list_del(&(__wqe)->qe)
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#define bfa_cb_queue(__bfa, __hcb_qe, __cbfn, __cbarg) do { \
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(__hcb_qe)->cbfn = (__cbfn); \
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(__hcb_qe)->cbarg = (__cbarg); \
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(__hcb_qe)->pre_rmv = BFA_FALSE; \
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list_add_tail(&(__hcb_qe)->qe, &(__bfa)->comp_q); \
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} while (0)
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#define bfa_cb_dequeue(__hcb_qe) list_del(&(__hcb_qe)->qe)
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#define bfa_cb_queue_once(__bfa, __hcb_qe, __cbfn, __cbarg) do { \
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(__hcb_qe)->cbfn = (__cbfn); \
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(__hcb_qe)->cbarg = (__cbarg); \
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if (!(__hcb_qe)->once) { \
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list_add_tail(&(__hcb_qe)->qe, &(__bfa)->comp_q); \
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(__hcb_qe)->once = BFA_TRUE; \
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} \
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} while (0)
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#define bfa_cb_queue_status(__bfa, __hcb_qe, __status) do { \
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(__hcb_qe)->fw_status = (__status); \
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list_add_tail(&(__hcb_qe)->qe, &(__bfa)->comp_q); \
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} while (0)
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#define bfa_cb_queue_done(__hcb_qe) do { \
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(__hcb_qe)->once = BFA_FALSE; \
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} while (0)
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/*
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* PCI devices supported by the current BFA
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*/
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struct bfa_pciid_s {
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u16 device_id;
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u16 vendor_id;
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};
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extern char bfa_version[];
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struct bfa_iocfc_regs_s {
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void __iomem *intr_status;
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void __iomem *intr_mask;
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void __iomem *cpe_q_pi[BFI_IOC_MAX_CQS];
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void __iomem *cpe_q_ci[BFI_IOC_MAX_CQS];
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void __iomem *cpe_q_ctrl[BFI_IOC_MAX_CQS];
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void __iomem *rme_q_ci[BFI_IOC_MAX_CQS];
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void __iomem *rme_q_pi[BFI_IOC_MAX_CQS];
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void __iomem *rme_q_ctrl[BFI_IOC_MAX_CQS];
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};
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/*
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* MSIX vector handlers
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*/
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#define BFA_MSIX_MAX_VECTORS 22
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typedef void (*bfa_msix_handler_t)(struct bfa_s *bfa, int vec);
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struct bfa_msix_s {
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int nvecs;
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bfa_msix_handler_t handler[BFA_MSIX_MAX_VECTORS];
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};
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/*
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* Chip specific interfaces
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*/
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struct bfa_hwif_s {
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void (*hw_reginit)(struct bfa_s *bfa);
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void (*hw_reqq_ack)(struct bfa_s *bfa, int reqq);
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void (*hw_rspq_ack)(struct bfa_s *bfa, int rspq, u32 ci);
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void (*hw_msix_init)(struct bfa_s *bfa, int nvecs);
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void (*hw_msix_ctrl_install)(struct bfa_s *bfa);
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void (*hw_msix_queue_install)(struct bfa_s *bfa);
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void (*hw_msix_uninstall)(struct bfa_s *bfa);
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void (*hw_isr_mode_set)(struct bfa_s *bfa, bfa_boolean_t msix);
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void (*hw_msix_getvecs)(struct bfa_s *bfa, u32 *vecmap,
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u32 *nvecs, u32 *maxvec);
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void (*hw_msix_get_rme_range) (struct bfa_s *bfa, u32 *start,
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u32 *end);
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int cpe_vec_q0;
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int rme_vec_q0;
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};
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typedef void (*bfa_cb_iocfc_t) (void *cbarg, enum bfa_status status);
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struct bfa_faa_cbfn_s {
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bfa_cb_iocfc_t faa_cbfn;
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void *faa_cbarg;
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};
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#define BFA_FAA_ENABLED 1
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#define BFA_FAA_DISABLED 2
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/*
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* FAA attributes
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*/
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struct bfa_faa_attr_s {
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wwn_t faa;
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u8 faa_state;
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u8 pwwn_source;
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u8 rsvd[6];
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};
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struct bfa_faa_args_s {
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struct bfa_faa_attr_s *faa_attr;
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struct bfa_faa_cbfn_s faa_cb;
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u8 faa_state;
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bfa_boolean_t busy;
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};
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struct bfa_iocfc_s {
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bfa_fsm_t fsm;
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struct bfa_s *bfa;
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struct bfa_iocfc_cfg_s cfg;
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u32 req_cq_pi[BFI_IOC_MAX_CQS];
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u32 rsp_cq_ci[BFI_IOC_MAX_CQS];
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u8 hw_qid[BFI_IOC_MAX_CQS];
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struct bfa_cb_qe_s init_hcb_qe;
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struct bfa_cb_qe_s stop_hcb_qe;
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struct bfa_cb_qe_s dis_hcb_qe;
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struct bfa_cb_qe_s en_hcb_qe;
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struct bfa_cb_qe_s stats_hcb_qe;
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bfa_boolean_t submod_enabled;
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bfa_boolean_t cb_reqd; /* Driver call back reqd */
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bfa_status_t op_status; /* Status of bfa iocfc op */
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struct bfa_dma_s cfg_info;
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struct bfi_iocfc_cfg_s *cfginfo;
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struct bfa_dma_s cfgrsp_dma;
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struct bfi_iocfc_cfgrsp_s *cfgrsp;
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struct bfa_dma_s req_cq_ba[BFI_IOC_MAX_CQS];
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struct bfa_dma_s req_cq_shadow_ci[BFI_IOC_MAX_CQS];
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struct bfa_dma_s rsp_cq_ba[BFI_IOC_MAX_CQS];
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struct bfa_dma_s rsp_cq_shadow_pi[BFI_IOC_MAX_CQS];
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struct bfa_iocfc_regs_s bfa_regs; /* BFA device registers */
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struct bfa_hwif_s hwif;
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bfa_cb_iocfc_t updateq_cbfn; /* bios callback function */
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void *updateq_cbarg; /* bios callback arg */
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u32 intr_mask;
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struct bfa_faa_args_s faa_args;
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struct bfa_mem_dma_s ioc_dma;
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struct bfa_mem_dma_s iocfc_dma;
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struct bfa_mem_dma_s reqq_dma[BFI_IOC_MAX_CQS];
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struct bfa_mem_dma_s rspq_dma[BFI_IOC_MAX_CQS];
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struct bfa_mem_kva_s kva_seg;
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};
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#define BFA_MEM_IOC_DMA(_bfa) (&((_bfa)->iocfc.ioc_dma))
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#define BFA_MEM_IOCFC_DMA(_bfa) (&((_bfa)->iocfc.iocfc_dma))
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#define BFA_MEM_REQQ_DMA(_bfa, _qno) (&((_bfa)->iocfc.reqq_dma[(_qno)]))
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#define BFA_MEM_RSPQ_DMA(_bfa, _qno) (&((_bfa)->iocfc.rspq_dma[(_qno)]))
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#define BFA_MEM_IOCFC_KVA(_bfa) (&((_bfa)->iocfc.kva_seg))
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#define bfa_fn_lpu(__bfa) \
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bfi_fn_lpu(bfa_ioc_pcifn(&(__bfa)->ioc), bfa_ioc_portid(&(__bfa)->ioc))
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#define bfa_msix_init(__bfa, __nvecs) \
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((__bfa)->iocfc.hwif.hw_msix_init(__bfa, __nvecs))
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#define bfa_msix_ctrl_install(__bfa) \
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((__bfa)->iocfc.hwif.hw_msix_ctrl_install(__bfa))
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#define bfa_msix_queue_install(__bfa) \
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((__bfa)->iocfc.hwif.hw_msix_queue_install(__bfa))
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#define bfa_msix_uninstall(__bfa) \
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((__bfa)->iocfc.hwif.hw_msix_uninstall(__bfa))
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#define bfa_isr_rspq_ack(__bfa, __queue, __ci) \
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((__bfa)->iocfc.hwif.hw_rspq_ack(__bfa, __queue, __ci))
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#define bfa_isr_reqq_ack(__bfa, __queue) do { \
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if ((__bfa)->iocfc.hwif.hw_reqq_ack) \
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(__bfa)->iocfc.hwif.hw_reqq_ack(__bfa, __queue); \
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} while (0)
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#define bfa_isr_mode_set(__bfa, __msix) do { \
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if ((__bfa)->iocfc.hwif.hw_isr_mode_set) \
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(__bfa)->iocfc.hwif.hw_isr_mode_set(__bfa, __msix); \
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} while (0)
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#define bfa_msix_getvecs(__bfa, __vecmap, __nvecs, __maxvec) \
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((__bfa)->iocfc.hwif.hw_msix_getvecs(__bfa, __vecmap, \
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__nvecs, __maxvec))
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#define bfa_msix_get_rme_range(__bfa, __start, __end) \
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((__bfa)->iocfc.hwif.hw_msix_get_rme_range(__bfa, __start, __end))
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#define bfa_msix(__bfa, __vec) \
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((__bfa)->msix.handler[__vec](__bfa, __vec))
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/*
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* FC specific IOC functions.
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*/
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void bfa_iocfc_meminfo(struct bfa_iocfc_cfg_s *cfg,
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struct bfa_meminfo_s *meminfo,
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struct bfa_s *bfa);
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void bfa_iocfc_attach(struct bfa_s *bfa, void *bfad,
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struct bfa_iocfc_cfg_s *cfg,
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struct bfa_pcidev_s *pcidev);
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void bfa_iocfc_init(struct bfa_s *bfa);
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void bfa_iocfc_start(struct bfa_s *bfa);
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void bfa_iocfc_stop(struct bfa_s *bfa);
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void bfa_iocfc_isr(void *bfa, struct bfi_mbmsg_s *msg);
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void bfa_iocfc_set_snsbase(struct bfa_s *bfa, int seg_no, u64 snsbase_pa);
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bfa_boolean_t bfa_iocfc_is_operational(struct bfa_s *bfa);
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void bfa_iocfc_reset_queues(struct bfa_s *bfa);
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void bfa_msix_all(struct bfa_s *bfa, int vec);
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void bfa_msix_reqq(struct bfa_s *bfa, int vec);
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void bfa_msix_rspq(struct bfa_s *bfa, int vec);
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void bfa_msix_lpu_err(struct bfa_s *bfa, int vec);
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void bfa_hwcb_reginit(struct bfa_s *bfa);
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void bfa_hwcb_rspq_ack(struct bfa_s *bfa, int rspq, u32 ci);
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void bfa_hwcb_msix_init(struct bfa_s *bfa, int nvecs);
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void bfa_hwcb_msix_ctrl_install(struct bfa_s *bfa);
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void bfa_hwcb_msix_queue_install(struct bfa_s *bfa);
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void bfa_hwcb_msix_uninstall(struct bfa_s *bfa);
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void bfa_hwcb_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix);
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void bfa_hwcb_msix_getvecs(struct bfa_s *bfa, u32 *vecmap, u32 *nvecs,
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u32 *maxvec);
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void bfa_hwcb_msix_get_rme_range(struct bfa_s *bfa, u32 *start,
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u32 *end);
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void bfa_hwct_reginit(struct bfa_s *bfa);
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void bfa_hwct2_reginit(struct bfa_s *bfa);
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void bfa_hwct_reqq_ack(struct bfa_s *bfa, int rspq);
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void bfa_hwct_rspq_ack(struct bfa_s *bfa, int rspq, u32 ci);
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void bfa_hwct2_rspq_ack(struct bfa_s *bfa, int rspq, u32 ci);
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void bfa_hwct_msix_init(struct bfa_s *bfa, int nvecs);
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void bfa_hwct_msix_ctrl_install(struct bfa_s *bfa);
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void bfa_hwct_msix_queue_install(struct bfa_s *bfa);
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void bfa_hwct_msix_uninstall(struct bfa_s *bfa);
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void bfa_hwct_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix);
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void bfa_hwct_msix_getvecs(struct bfa_s *bfa, u32 *vecmap, u32 *nvecs,
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u32 *maxvec);
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void bfa_hwct_msix_get_rme_range(struct bfa_s *bfa, u32 *start,
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u32 *end);
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void bfa_iocfc_get_bootwwns(struct bfa_s *bfa, u8 *nwwns, wwn_t *wwns);
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int bfa_iocfc_get_pbc_vports(struct bfa_s *bfa,
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struct bfi_pbc_vport_s *pbc_vport);
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/*
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*----------------------------------------------------------------------
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* BFA public interfaces
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*----------------------------------------------------------------------
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*/
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#define bfa_stats(_mod, _stats) ((_mod)->stats._stats++)
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#define bfa_ioc_get_stats(__bfa, __ioc_stats) \
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bfa_ioc_fetch_stats(&(__bfa)->ioc, __ioc_stats)
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#define bfa_ioc_clear_stats(__bfa) \
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bfa_ioc_clr_stats(&(__bfa)->ioc)
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#define bfa_get_nports(__bfa) \
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bfa_ioc_get_nports(&(__bfa)->ioc)
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#define bfa_get_adapter_manufacturer(__bfa, __manufacturer) \
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bfa_ioc_get_adapter_manufacturer(&(__bfa)->ioc, __manufacturer)
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#define bfa_get_adapter_model(__bfa, __model) \
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bfa_ioc_get_adapter_model(&(__bfa)->ioc, __model)
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#define bfa_get_adapter_serial_num(__bfa, __serial_num) \
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bfa_ioc_get_adapter_serial_num(&(__bfa)->ioc, __serial_num)
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#define bfa_get_adapter_fw_ver(__bfa, __fw_ver) \
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bfa_ioc_get_adapter_fw_ver(&(__bfa)->ioc, __fw_ver)
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#define bfa_get_adapter_optrom_ver(__bfa, __optrom_ver) \
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bfa_ioc_get_adapter_optrom_ver(&(__bfa)->ioc, __optrom_ver)
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#define bfa_get_pci_chip_rev(__bfa, __chip_rev) \
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bfa_ioc_get_pci_chip_rev(&(__bfa)->ioc, __chip_rev)
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#define bfa_get_ioc_state(__bfa) \
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bfa_ioc_get_state(&(__bfa)->ioc)
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#define bfa_get_type(__bfa) \
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bfa_ioc_get_type(&(__bfa)->ioc)
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#define bfa_get_mac(__bfa) \
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bfa_ioc_get_mac(&(__bfa)->ioc)
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#define bfa_get_mfg_mac(__bfa) \
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bfa_ioc_get_mfg_mac(&(__bfa)->ioc)
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#define bfa_get_fw_clock_res(__bfa) \
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((__bfa)->iocfc.cfgrsp->fwcfg.fw_tick_res)
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/*
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* lun mask macros return NULL when min cfg is enabled and there is
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* no memory allocated for lunmask.
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*/
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#define bfa_get_lun_mask(__bfa) \
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((&(__bfa)->modules.dconf_mod)->min_cfg) ? NULL : \
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(&(BFA_DCONF_MOD(__bfa)->dconf->lun_mask))
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#define bfa_get_lun_mask_list(_bfa) \
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((&(_bfa)->modules.dconf_mod)->min_cfg) ? NULL : \
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(bfa_get_lun_mask(_bfa)->lun_list)
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#define bfa_get_lun_mask_status(_bfa) \
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(((&(_bfa)->modules.dconf_mod)->min_cfg) \
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? BFA_LUNMASK_MINCFG : ((bfa_get_lun_mask(_bfa))->status))
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void bfa_get_pciids(struct bfa_pciid_s **pciids, int *npciids);
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void bfa_cfg_get_default(struct bfa_iocfc_cfg_s *cfg);
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void bfa_cfg_get_min(struct bfa_iocfc_cfg_s *cfg);
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void bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg,
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struct bfa_meminfo_s *meminfo,
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struct bfa_s *bfa);
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void bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
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struct bfa_meminfo_s *meminfo,
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struct bfa_pcidev_s *pcidev);
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void bfa_detach(struct bfa_s *bfa);
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void bfa_cb_init(void *bfad, bfa_status_t status);
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void bfa_cb_updateq(void *bfad, bfa_status_t status);
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bfa_boolean_t bfa_intx(struct bfa_s *bfa);
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void bfa_isr_enable(struct bfa_s *bfa);
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void bfa_isr_disable(struct bfa_s *bfa);
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void bfa_comp_deq(struct bfa_s *bfa, struct list_head *comp_q);
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void bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q);
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void bfa_comp_free(struct bfa_s *bfa, struct list_head *comp_q);
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typedef void (*bfa_cb_ioc_t) (void *cbarg, enum bfa_status status);
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void bfa_iocfc_get_attr(struct bfa_s *bfa, struct bfa_iocfc_attr_s *attr);
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bfa_status_t bfa_iocfc_israttr_set(struct bfa_s *bfa,
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struct bfa_iocfc_intr_attr_s *attr);
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void bfa_iocfc_enable(struct bfa_s *bfa);
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void bfa_iocfc_disable(struct bfa_s *bfa);
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#define bfa_timer_start(_bfa, _timer, _timercb, _arg, _timeout) \
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bfa_timer_begin(&(_bfa)->timer_mod, _timer, _timercb, _arg, _timeout)
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struct bfa_cb_pending_q_s {
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struct bfa_cb_qe_s hcb_qe;
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void *data; /* Driver buffer */
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};
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/* Common macros to operate on pending stats/attr apis */
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#define bfa_pending_q_init(__qe, __cbfn, __cbarg, __data) do { \
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bfa_q_qe_init(&((__qe)->hcb_qe.qe)); \
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(__qe)->hcb_qe.cbfn = (__cbfn); \
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(__qe)->hcb_qe.cbarg = (__cbarg); \
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(__qe)->hcb_qe.pre_rmv = BFA_TRUE; \
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(__qe)->data = (__data); \
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} while (0)
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#endif /* __BFA_H__ */
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