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/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus 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.
*/
#ifndef __BFA_IOCFC_H__
#define __BFA_IOCFC_H__
#include <bfa_ioc.h>
#include <bfa.h>
#include <bfi/bfi_iocfc.h>
#include <bfa_callback_priv.h>
#define BFA_REQQ_NELEMS_MIN (4)
#define BFA_RSPQ_NELEMS_MIN (4)
struct bfa_iocfc_regs_s {
bfa_os_addr_t intr_status;
bfa_os_addr_t intr_mask;
bfa_os_addr_t cpe_q_pi[BFI_IOC_MAX_CQS];
bfa_os_addr_t cpe_q_ci[BFI_IOC_MAX_CQS];
bfa_os_addr_t cpe_q_depth[BFI_IOC_MAX_CQS];
bfa_os_addr_t cpe_q_ctrl[BFI_IOC_MAX_CQS];
bfa_os_addr_t rme_q_ci[BFI_IOC_MAX_CQS];
bfa_os_addr_t rme_q_pi[BFI_IOC_MAX_CQS];
bfa_os_addr_t rme_q_depth[BFI_IOC_MAX_CQS];
bfa_os_addr_t rme_q_ctrl[BFI_IOC_MAX_CQS];
};
/**
* MSIX vector handlers
*/
#define BFA_MSIX_MAX_VECTORS 22
typedef void (*bfa_msix_handler_t)(struct bfa_s *bfa, int vec);
struct bfa_msix_s {
int nvecs;
bfa_msix_handler_t handler[BFA_MSIX_MAX_VECTORS];
};
/**
* Chip specific interfaces
*/
struct bfa_hwif_s {
void (*hw_reginit)(struct bfa_s *bfa);
void (*hw_rspq_ack)(struct bfa_s *bfa, int rspq);
void (*hw_msix_init)(struct bfa_s *bfa, int nvecs);
void (*hw_msix_install)(struct bfa_s *bfa);
void (*hw_msix_uninstall)(struct bfa_s *bfa);
void (*hw_isr_mode_set)(struct bfa_s *bfa, bfa_boolean_t msix);
void (*hw_msix_getvecs)(struct bfa_s *bfa, u32 *vecmap,
u32 *nvecs, u32 *maxvec);
};
typedef void (*bfa_cb_iocfc_t) (void *cbarg, enum bfa_status status);
struct bfa_iocfc_s {
struct bfa_s *bfa;
struct bfa_iocfc_cfg_s cfg;
int action;
u32 req_cq_pi[BFI_IOC_MAX_CQS];
u32 rsp_cq_ci[BFI_IOC_MAX_CQS];
struct bfa_cb_qe_s init_hcb_qe;
struct bfa_cb_qe_s stop_hcb_qe;
struct bfa_cb_qe_s dis_hcb_qe;
struct bfa_cb_qe_s stats_hcb_qe;
bfa_boolean_t cfgdone;
struct bfa_dma_s cfg_info;
struct bfi_iocfc_cfg_s *cfginfo;
struct bfa_dma_s cfgrsp_dma;
struct bfi_iocfc_cfgrsp_s *cfgrsp;
struct bfi_iocfc_cfg_reply_s *cfg_reply;
u8 *stats_kva;
u64 stats_pa;
struct bfa_fw_stats_s *fw_stats;
struct bfa_timer_s stats_timer; /* timer */
struct bfa_iocfc_stats_s *stats_ret; /* driver stats location */
bfa_status_t stats_status; /* stats/statsclr status */
bfa_boolean_t stats_busy; /* outstanding stats */
bfa_cb_ioc_t stats_cbfn; /* driver callback function */
void *stats_cbarg; /* user callback arg */
struct bfa_dma_s req_cq_ba[BFI_IOC_MAX_CQS];
struct bfa_dma_s req_cq_shadow_ci[BFI_IOC_MAX_CQS];
struct bfa_dma_s rsp_cq_ba[BFI_IOC_MAX_CQS];
struct bfa_dma_s rsp_cq_shadow_pi[BFI_IOC_MAX_CQS];
struct bfa_iocfc_regs_s bfa_regs; /* BFA device registers */
struct bfa_hwif_s hwif;
bfa_cb_iocfc_t updateq_cbfn; /* bios callback function */
void *updateq_cbarg; /* bios callback arg */
};
#define bfa_lpuid(__bfa) bfa_ioc_portid(&(__bfa)->ioc)
#define bfa_msix_init(__bfa, __nvecs) \
(__bfa)->iocfc.hwif.hw_msix_init(__bfa, __nvecs)
#define bfa_msix_install(__bfa) \
(__bfa)->iocfc.hwif.hw_msix_install(__bfa)
#define bfa_msix_uninstall(__bfa) \
(__bfa)->iocfc.hwif.hw_msix_uninstall(__bfa)
#define bfa_isr_mode_set(__bfa, __msix) \
(__bfa)->iocfc.hwif.hw_isr_mode_set(__bfa, __msix)
#define bfa_msix_getvecs(__bfa, __vecmap, __nvecs, __maxvec) \
(__bfa)->iocfc.hwif.hw_msix_getvecs(__bfa, __vecmap, __nvecs, __maxvec)
/*
* FC specific IOC functions.
*/
void bfa_iocfc_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len,
u32 *dm_len);
void bfa_iocfc_attach(struct bfa_s *bfa, void *bfad,
struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
struct bfa_pcidev_s *pcidev);
void bfa_iocfc_detach(struct bfa_s *bfa);
void bfa_iocfc_init(struct bfa_s *bfa);
void bfa_iocfc_start(struct bfa_s *bfa);
void bfa_iocfc_stop(struct bfa_s *bfa);
void bfa_iocfc_isr(void *bfa, struct bfi_mbmsg_s *msg);
void bfa_iocfc_set_snsbase(struct bfa_s *bfa, u64 snsbase_pa);
bfa_boolean_t bfa_iocfc_is_operational(struct bfa_s *bfa);
void bfa_iocfc_reset_queues(struct bfa_s *bfa);
void bfa_iocfc_updateq(struct bfa_s *bfa, u32 reqq_ba, u32 rspq_ba,
u32 reqq_sci, u32 rspq_spi,
bfa_cb_iocfc_t cbfn, void *cbarg);
void bfa_msix_all(struct bfa_s *bfa, int vec);
void bfa_msix_reqq(struct bfa_s *bfa, int vec);
void bfa_msix_rspq(struct bfa_s *bfa, int vec);
void bfa_msix_lpu_err(struct bfa_s *bfa, int vec);
void bfa_hwcb_reginit(struct bfa_s *bfa);
void bfa_hwcb_rspq_ack(struct bfa_s *bfa, int rspq);
void bfa_hwcb_msix_init(struct bfa_s *bfa, int nvecs);
void bfa_hwcb_msix_install(struct bfa_s *bfa);
void bfa_hwcb_msix_uninstall(struct bfa_s *bfa);
void bfa_hwcb_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix);
void bfa_hwcb_msix_getvecs(struct bfa_s *bfa, u32 *vecmap,
u32 *nvecs, u32 *maxvec);
void bfa_hwct_reginit(struct bfa_s *bfa);
void bfa_hwct_rspq_ack(struct bfa_s *bfa, int rspq);
void bfa_hwct_msix_init(struct bfa_s *bfa, int nvecs);
void bfa_hwct_msix_install(struct bfa_s *bfa);
void bfa_hwct_msix_uninstall(struct bfa_s *bfa);
void bfa_hwct_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix);
void bfa_hwct_msix_getvecs(struct bfa_s *bfa, u32 *vecmap,
u32 *nvecs, u32 *maxvec);
void bfa_com_meminfo(bfa_boolean_t mincfg, u32 *dm_len);
void bfa_com_attach(struct bfa_s *bfa, struct bfa_meminfo_s *mi,
bfa_boolean_t mincfg);
void bfa_iocfc_get_bootwwns(struct bfa_s *bfa, u8 *nwwns, wwn_t **wwns);
#endif /* __BFA_IOCFC_H__ */
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