1/* 2 * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. 3 * All rights reserved 4 * www.brocade.com 5 * 6 * Linux driver for Brocade Fibre Channel Host Bus Adapter. 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License (GPL) Version 2 as 10 * published by the Free Software Foundation 11 * 12 * This program is distributed in the hope that it will be useful, but 13 * WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * General Public License for more details. 16 */ 17 18#ifndef __BFA_IOCFC_H__ 19#define __BFA_IOCFC_H__ 20 21#include <bfa_ioc.h> 22#include <bfa.h> 23#include <bfi/bfi_iocfc.h> 24#include <bfi/bfi_pbc.h> 25#include <bfa_callback_priv.h> 26 27#define BFA_REQQ_NELEMS_MIN (4) 28#define BFA_RSPQ_NELEMS_MIN (4) 29 30struct bfa_iocfc_regs_s { 31 bfa_os_addr_t intr_status; 32 bfa_os_addr_t intr_mask; 33 bfa_os_addr_t cpe_q_pi[BFI_IOC_MAX_CQS]; 34 bfa_os_addr_t cpe_q_ci[BFI_IOC_MAX_CQS]; 35 bfa_os_addr_t cpe_q_depth[BFI_IOC_MAX_CQS]; 36 bfa_os_addr_t cpe_q_ctrl[BFI_IOC_MAX_CQS]; 37 bfa_os_addr_t rme_q_ci[BFI_IOC_MAX_CQS]; 38 bfa_os_addr_t rme_q_pi[BFI_IOC_MAX_CQS]; 39 bfa_os_addr_t rme_q_depth[BFI_IOC_MAX_CQS]; 40 bfa_os_addr_t rme_q_ctrl[BFI_IOC_MAX_CQS]; 41}; 42 43/** 44 * MSIX vector handlers 45 */ 46#define BFA_MSIX_MAX_VECTORS 22 47typedef void (*bfa_msix_handler_t)(struct bfa_s *bfa, int vec); 48struct bfa_msix_s { 49 int nvecs; 50 bfa_msix_handler_t handler[BFA_MSIX_MAX_VECTORS]; 51}; 52 53/** 54 * Chip specific interfaces 55 */ 56struct bfa_hwif_s { 57 void (*hw_reginit)(struct bfa_s *bfa); 58 void (*hw_reqq_ack)(struct bfa_s *bfa, int reqq); 59 void (*hw_rspq_ack)(struct bfa_s *bfa, int rspq); 60 void (*hw_msix_init)(struct bfa_s *bfa, int nvecs); 61 void (*hw_msix_install)(struct bfa_s *bfa); 62 void (*hw_msix_uninstall)(struct bfa_s *bfa); 63 void (*hw_isr_mode_set)(struct bfa_s *bfa, bfa_boolean_t msix); 64 void (*hw_msix_getvecs)(struct bfa_s *bfa, u32 *vecmap, 65 u32 *nvecs, u32 *maxvec); 66 void (*hw_msix_get_rme_range) (struct bfa_s *bfa, u32 *start, 67 u32 *end); 68}; 69typedef void (*bfa_cb_iocfc_t) (void *cbarg, enum bfa_status status); 70 71struct bfa_iocfc_s { 72 struct bfa_s *bfa; 73 struct bfa_iocfc_cfg_s cfg; 74 int action; 75 76 u32 req_cq_pi[BFI_IOC_MAX_CQS]; 77 u32 rsp_cq_ci[BFI_IOC_MAX_CQS]; 78 79 struct bfa_cb_qe_s init_hcb_qe; 80 struct bfa_cb_qe_s stop_hcb_qe; 81 struct bfa_cb_qe_s dis_hcb_qe; 82 struct bfa_cb_qe_s stats_hcb_qe; 83 bfa_boolean_t cfgdone; 84 85 struct bfa_dma_s cfg_info; 86 struct bfi_iocfc_cfg_s *cfginfo; 87 struct bfa_dma_s cfgrsp_dma; 88 struct bfi_iocfc_cfgrsp_s *cfgrsp; 89 struct bfi_iocfc_cfg_reply_s *cfg_reply; 90 91 u8 *stats_kva; 92 u64 stats_pa; 93 struct bfa_fw_stats_s *fw_stats; 94 struct bfa_timer_s stats_timer; /* timer */ 95 struct bfa_iocfc_stats_s *stats_ret; /* driver stats location */ 96 bfa_status_t stats_status; /* stats/statsclr status */ 97 bfa_boolean_t stats_busy; /* outstanding stats */ 98 bfa_cb_ioc_t stats_cbfn; /* driver callback function */ 99 void *stats_cbarg; /* user callback arg */ 100 101 struct bfa_dma_s req_cq_ba[BFI_IOC_MAX_CQS]; 102 struct bfa_dma_s req_cq_shadow_ci[BFI_IOC_MAX_CQS]; 103 struct bfa_dma_s rsp_cq_ba[BFI_IOC_MAX_CQS]; 104 struct bfa_dma_s rsp_cq_shadow_pi[BFI_IOC_MAX_CQS]; 105 struct bfa_iocfc_regs_s bfa_regs; /* BFA device registers */ 106 struct bfa_hwif_s hwif; 107 108 bfa_cb_iocfc_t updateq_cbfn; /* bios callback function */ 109 void *updateq_cbarg; /* bios callback arg */ 110 u32 intr_mask; 111}; 112 113#define bfa_lpuid(__bfa) bfa_ioc_portid(&(__bfa)->ioc) 114#define bfa_msix_init(__bfa, __nvecs) \ 115 ((__bfa)->iocfc.hwif.hw_msix_init(__bfa, __nvecs)) 116#define bfa_msix_install(__bfa) \ 117 ((__bfa)->iocfc.hwif.hw_msix_install(__bfa)) 118#define bfa_msix_uninstall(__bfa) \ 119 ((__bfa)->iocfc.hwif.hw_msix_uninstall(__bfa)) 120#define bfa_isr_mode_set(__bfa, __msix) \ 121 ((__bfa)->iocfc.hwif.hw_isr_mode_set(__bfa, __msix)) 122#define bfa_msix_getvecs(__bfa, __vecmap, __nvecs, __maxvec) \ 123 ((__bfa)->iocfc.hwif.hw_msix_getvecs(__bfa, __vecmap, \ 124 __nvecs, __maxvec)) 125#define bfa_msix_get_rme_range(__bfa, __start, __end) \ 126 ((__bfa)->iocfc.hwif.hw_msix_get_rme_range(__bfa, __start, __end)) 127 128/* 129 * FC specific IOC functions. 130 */ 131void bfa_iocfc_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len, 132 u32 *dm_len); 133void bfa_iocfc_attach(struct bfa_s *bfa, void *bfad, 134 struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo, 135 struct bfa_pcidev_s *pcidev); 136void bfa_iocfc_detach(struct bfa_s *bfa); 137void bfa_iocfc_init(struct bfa_s *bfa); 138void bfa_iocfc_start(struct bfa_s *bfa); 139void bfa_iocfc_stop(struct bfa_s *bfa); 140void bfa_iocfc_isr(void *bfa, struct bfi_mbmsg_s *msg); 141void bfa_iocfc_set_snsbase(struct bfa_s *bfa, u64 snsbase_pa); 142bfa_boolean_t bfa_iocfc_is_operational(struct bfa_s *bfa); 143void bfa_iocfc_reset_queues(struct bfa_s *bfa); 144void bfa_iocfc_updateq(struct bfa_s *bfa, u32 reqq_ba, u32 rspq_ba, 145 u32 reqq_sci, u32 rspq_spi, 146 bfa_cb_iocfc_t cbfn, void *cbarg); 147 148void bfa_msix_all(struct bfa_s *bfa, int vec); 149void bfa_msix_reqq(struct bfa_s *bfa, int vec); 150void bfa_msix_rspq(struct bfa_s *bfa, int vec); 151void bfa_msix_lpu_err(struct bfa_s *bfa, int vec); 152 153void bfa_hwcb_reginit(struct bfa_s *bfa); 154void bfa_hwcb_reqq_ack(struct bfa_s *bfa, int rspq); 155void bfa_hwcb_rspq_ack(struct bfa_s *bfa, int rspq); 156void bfa_hwcb_msix_init(struct bfa_s *bfa, int nvecs); 157void bfa_hwcb_msix_install(struct bfa_s *bfa); 158void bfa_hwcb_msix_uninstall(struct bfa_s *bfa); 159void bfa_hwcb_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix); 160void bfa_hwcb_msix_getvecs(struct bfa_s *bfa, u32 *vecmap, 161 u32 *nvecs, u32 *maxvec); 162void bfa_hwcb_msix_get_rme_range(struct bfa_s *bfa, u32 *start, u32 *end); 163void bfa_hwct_reginit(struct bfa_s *bfa); 164void bfa_hwct_reqq_ack(struct bfa_s *bfa, int rspq); 165void bfa_hwct_rspq_ack(struct bfa_s *bfa, int rspq); 166void bfa_hwct_msix_init(struct bfa_s *bfa, int nvecs); 167void bfa_hwct_msix_install(struct bfa_s *bfa); 168void bfa_hwct_msix_uninstall(struct bfa_s *bfa); 169void bfa_hwct_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix); 170void bfa_hwct_msix_getvecs(struct bfa_s *bfa, u32 *vecmap, 171 u32 *nvecs, u32 *maxvec); 172void bfa_hwct_msix_get_rme_range(struct bfa_s *bfa, u32 *start, u32 *end); 173 174void bfa_com_meminfo(bfa_boolean_t mincfg, u32 *dm_len); 175void bfa_com_attach(struct bfa_s *bfa, struct bfa_meminfo_s *mi, 176 bfa_boolean_t mincfg); 177void bfa_iocfc_get_bootwwns(struct bfa_s *bfa, u8 *nwwns, wwn_t *wwns); 178void bfa_iocfc_get_pbc_boot_cfg(struct bfa_s *bfa, 179 struct bfa_boot_pbc_s *pbcfg); 180int bfa_iocfc_get_pbc_vports(struct bfa_s *bfa, 181 struct bfi_pbc_vport_s *pbc_vport); 182 183#endif /* __BFA_IOCFC_H__ */ 184