/* * Copyright (c) 2005-2010 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. */ #include "bfad_drv.h" #include "bfa_modules.h" #include "bfi_reg.h" BFA_TRC_FILE(HAL, CORE); /* * BFA module list terminated by NULL */ static struct bfa_module_s *hal_mods[] = { &hal_mod_fcdiag, &hal_mod_sgpg, &hal_mod_fcport, &hal_mod_fcxp, &hal_mod_lps, &hal_mod_uf, &hal_mod_rport, &hal_mod_fcp, &hal_mod_dconf, NULL }; /* * Message handlers for various modules. */ static bfa_isr_func_t bfa_isrs[BFI_MC_MAX] = { bfa_isr_unhandled, /* NONE */ bfa_isr_unhandled, /* BFI_MC_IOC */ bfa_fcdiag_intr, /* BFI_MC_DIAG */ bfa_isr_unhandled, /* BFI_MC_FLASH */ bfa_isr_unhandled, /* BFI_MC_CEE */ bfa_fcport_isr, /* BFI_MC_FCPORT */ bfa_isr_unhandled, /* BFI_MC_IOCFC */ bfa_isr_unhandled, /* BFI_MC_LL */ bfa_uf_isr, /* BFI_MC_UF */ bfa_fcxp_isr, /* BFI_MC_FCXP */ bfa_lps_isr, /* BFI_MC_LPS */ bfa_rport_isr, /* BFI_MC_RPORT */ bfa_itn_isr, /* BFI_MC_ITN */ bfa_isr_unhandled, /* BFI_MC_IOIM_READ */ bfa_isr_unhandled, /* BFI_MC_IOIM_WRITE */ bfa_isr_unhandled, /* BFI_MC_IOIM_IO */ bfa_ioim_isr, /* BFI_MC_IOIM */ bfa_ioim_good_comp_isr, /* BFI_MC_IOIM_IOCOM */ bfa_tskim_isr, /* BFI_MC_TSKIM */ bfa_isr_unhandled, /* BFI_MC_SBOOT */ bfa_isr_unhandled, /* BFI_MC_IPFC */ bfa_isr_unhandled, /* BFI_MC_PORT */ bfa_isr_unhandled, /* --------- */ bfa_isr_unhandled, /* --------- */ bfa_isr_unhandled, /* --------- */ bfa_isr_unhandled, /* --------- */ bfa_isr_unhandled, /* --------- */ bfa_isr_unhandled, /* --------- */ bfa_isr_unhandled, /* --------- */ bfa_isr_unhandled, /* --------- */ bfa_isr_unhandled, /* --------- */ bfa_isr_unhandled, /* --------- */ }; /* * Message handlers for mailbox command classes */ static bfa_ioc_mbox_mcfunc_t bfa_mbox_isrs[BFI_MC_MAX] = { NULL, NULL, /* BFI_MC_IOC */ NULL, /* BFI_MC_DIAG */ NULL, /* BFI_MC_FLASH */ NULL, /* BFI_MC_CEE */ NULL, /* BFI_MC_PORT */ bfa_iocfc_isr, /* BFI_MC_IOCFC */ NULL, }; static void bfa_com_port_attach(struct bfa_s *bfa) { struct bfa_port_s *port = &bfa->modules.port; struct bfa_mem_dma_s *port_dma = BFA_MEM_PORT_DMA(bfa); bfa_port_attach(port, &bfa->ioc, bfa, bfa->trcmod); bfa_port_mem_claim(port, port_dma->kva_curp, port_dma->dma_curp); } /* * ablk module attach */ static void bfa_com_ablk_attach(struct bfa_s *bfa) { struct bfa_ablk_s *ablk = &bfa->modules.ablk; struct bfa_mem_dma_s *ablk_dma = BFA_MEM_ABLK_DMA(bfa); bfa_ablk_attach(ablk, &bfa->ioc); bfa_ablk_memclaim(ablk, ablk_dma->kva_curp, ablk_dma->dma_curp); } static void bfa_com_cee_attach(struct bfa_s *bfa) { struct bfa_cee_s *cee = &bfa->modules.cee; struct bfa_mem_dma_s *cee_dma = BFA_MEM_CEE_DMA(bfa); cee->trcmod = bfa->trcmod; bfa_cee_attach(cee, &bfa->ioc, bfa); bfa_cee_mem_claim(cee, cee_dma->kva_curp, cee_dma->dma_curp); } static void bfa_com_sfp_attach(struct bfa_s *bfa) { struct bfa_sfp_s *sfp = BFA_SFP_MOD(bfa); struct bfa_mem_dma_s *sfp_dma = BFA_MEM_SFP_DMA(bfa); bfa_sfp_attach(sfp, &bfa->ioc, bfa, bfa->trcmod); bfa_sfp_memclaim(sfp, sfp_dma->kva_curp, sfp_dma->dma_curp); } static void bfa_com_flash_attach(struct bfa_s *bfa, bfa_boolean_t mincfg) { struct bfa_flash_s *flash = BFA_FLASH(bfa); struct bfa_mem_dma_s *flash_dma = BFA_MEM_FLASH_DMA(bfa); bfa_flash_attach(flash, &bfa->ioc, bfa, bfa->trcmod, mincfg); bfa_flash_memclaim(flash, flash_dma->kva_curp, flash_dma->dma_curp, mincfg); } static void bfa_com_diag_attach(struct bfa_s *bfa) { struct bfa_diag_s *diag = BFA_DIAG_MOD(bfa); struct bfa_mem_dma_s *diag_dma = BFA_MEM_DIAG_DMA(bfa); bfa_diag_attach(diag, &bfa->ioc, bfa, bfa_fcport_beacon, bfa->trcmod); bfa_diag_memclaim(diag, diag_dma->kva_curp, diag_dma->dma_curp); } static void bfa_com_phy_attach(struct bfa_s *bfa, bfa_boolean_t mincfg) { struct bfa_phy_s *phy = BFA_PHY(bfa); struct bfa_mem_dma_s *phy_dma = BFA_MEM_PHY_DMA(bfa); bfa_phy_attach(phy, &bfa->ioc, bfa, bfa->trcmod, mincfg); bfa_phy_memclaim(phy, phy_dma->kva_curp, phy_dma->dma_curp, mincfg); } static void bfa_com_fru_attach(struct bfa_s *bfa, bfa_boolean_t mincfg) { struct bfa_fru_s *fru = BFA_FRU(bfa); struct bfa_mem_dma_s *fru_dma = BFA_MEM_FRU_DMA(bfa); bfa_fru_attach(fru, &bfa->ioc, bfa, bfa->trcmod, mincfg); bfa_fru_memclaim(fru, fru_dma->kva_curp, fru_dma->dma_curp, mincfg); } /* * BFA IOC FC related definitions */ /* * IOC local definitions */ #define BFA_IOCFC_TOV 5000 /* msecs */ enum { BFA_IOCFC_ACT_NONE = 0, BFA_IOCFC_ACT_INIT = 1, BFA_IOCFC_ACT_STOP = 2, BFA_IOCFC_ACT_DISABLE = 3, BFA_IOCFC_ACT_ENABLE = 4, }; #define DEF_CFG_NUM_FABRICS 1 #define DEF_CFG_NUM_LPORTS 256 #define DEF_CFG_NUM_CQS 4 #define DEF_CFG_NUM_IOIM_REQS (BFA_IOIM_MAX) #define DEF_CFG_NUM_TSKIM_REQS 128 #define DEF_CFG_NUM_FCXP_REQS 64 #define DEF_CFG_NUM_UF_BUFS 64 #define DEF_CFG_NUM_RPORTS 1024 #define DEF_CFG_NUM_ITNIMS (DEF_CFG_NUM_RPORTS) #define DEF_CFG_NUM_TINS 256 #define DEF_CFG_NUM_SGPGS 2048 #define DEF_CFG_NUM_REQQ_ELEMS 256 #define DEF_CFG_NUM_RSPQ_ELEMS 64 #define DEF_CFG_NUM_SBOOT_TGTS 16 #define DEF_CFG_NUM_SBOOT_LUNS 16 /* * IOCFC state machine definitions/declarations */ bfa_fsm_state_decl(bfa_iocfc, stopped, struct bfa_iocfc_s, enum iocfc_event); bfa_fsm_state_decl(bfa_iocfc, initing, struct bfa_iocfc_s, enum iocfc_event); bfa_fsm_state_decl(bfa_iocfc, dconf_read, struct bfa_iocfc_s, enum iocfc_event); bfa_fsm_state_decl(bfa_iocfc, init_cfg_wait, struct bfa_iocfc_s, enum iocfc_event); bfa_fsm_state_decl(bfa_iocfc, init_cfg_done, struct bfa_iocfc_s, enum iocfc_event); bfa_fsm_state_decl(bfa_iocfc, operational, struct bfa_iocfc_s, enum iocfc_event); bfa_fsm_state_decl(bfa_iocfc, dconf_write, struct bfa_iocfc_s, enum iocfc_event); bfa_fsm_state_decl(bfa_iocfc, stopping, struct bfa_iocfc_s, enum iocfc_event); bfa_fsm_state_decl(bfa_iocfc, enabling, struct bfa_iocfc_s, enum iocfc_event); bfa_fsm_state_decl(bfa_iocfc, cfg_wait, struct bfa_iocfc_s, enum iocfc_event); bfa_fsm_state_decl(bfa_iocfc, disabling, struct bfa_iocfc_s, enum iocfc_event); bfa_fsm_state_decl(bfa_iocfc, disabled, struct bfa_iocfc_s, enum iocfc_event); bfa_fsm_state_decl(bfa_iocfc, failed, struct bfa_iocfc_s, enum iocfc_event); bfa_fsm_state_decl(bfa_iocfc, init_failed, struct bfa_iocfc_s, enum iocfc_event); /* * forward declaration for IOC FC functions */ static void bfa_iocfc_start_submod(struct bfa_s *bfa); static void bfa_iocfc_disable_submod(struct bfa_s *bfa); static void bfa_iocfc_send_cfg(void *bfa_arg); static void bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status); static void bfa_iocfc_disable_cbfn(void *bfa_arg); static void bfa_iocfc_hbfail_cbfn(void *bfa_arg); static void bfa_iocfc_reset_cbfn(void *bfa_arg); static struct bfa_ioc_cbfn_s bfa_iocfc_cbfn; static void bfa_iocfc_init_cb(void *bfa_arg, bfa_boolean_t complete); static void bfa_iocfc_stop_cb(void *bfa_arg, bfa_boolean_t compl); static void bfa_iocfc_enable_cb(void *bfa_arg, bfa_boolean_t compl); static void bfa_iocfc_disable_cb(void *bfa_arg, bfa_boolean_t compl); static void bfa_iocfc_sm_stopped_entry(struct bfa_iocfc_s *iocfc) { } static void bfa_iocfc_sm_stopped(struct bfa_iocfc_s *iocfc, enum iocfc_event event) { bfa_trc(iocfc->bfa, event); switch (event) { case IOCFC_E_INIT: case IOCFC_E_ENABLE: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_initing); break; default: bfa_sm_fault(iocfc->bfa, event); break; } } static void bfa_iocfc_sm_initing_entry(struct bfa_iocfc_s *iocfc) { bfa_ioc_enable(&iocfc->bfa->ioc); } static void bfa_iocfc_sm_initing(struct bfa_iocfc_s *iocfc, enum iocfc_event event) { bfa_trc(iocfc->bfa, event); switch (event) { case IOCFC_E_IOC_ENABLED: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_read); break; case IOCFC_E_DISABLE: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling); break; case IOCFC_E_STOP: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping); break; case IOCFC_E_IOC_FAILED: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed); break; default: bfa_sm_fault(iocfc->bfa, event); break; } } static void bfa_iocfc_sm_dconf_read_entry(struct bfa_iocfc_s *iocfc) { bfa_dconf_modinit(iocfc->bfa); } static void bfa_iocfc_sm_dconf_read(struct bfa_iocfc_s *iocfc, enum iocfc_event event) { bfa_trc(iocfc->bfa, event); switch (event) { case IOCFC_E_DCONF_DONE: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_cfg_wait); break; case IOCFC_E_DISABLE: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling); break; case IOCFC_E_STOP: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping); break; case IOCFC_E_IOC_FAILED: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed); break; default: bfa_sm_fault(iocfc->bfa, event); break; } } static void bfa_iocfc_sm_init_cfg_wait_entry(struct bfa_iocfc_s *iocfc) { bfa_iocfc_send_cfg(iocfc->bfa); } static void bfa_iocfc_sm_init_cfg_wait(struct bfa_iocfc_s *iocfc, enum iocfc_event event) { bfa_trc(iocfc->bfa, event); switch (event) { case IOCFC_E_CFG_DONE: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_cfg_done); break; case IOCFC_E_DISABLE: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling); break; case IOCFC_E_STOP: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping); break; case IOCFC_E_IOC_FAILED: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed); break; default: bfa_sm_fault(iocfc->bfa, event); break; } } static void bfa_iocfc_sm_init_cfg_done_entry(struct bfa_iocfc_s *iocfc) { iocfc->bfa->iocfc.op_status = BFA_STATUS_OK; bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.init_hcb_qe, bfa_iocfc_init_cb, iocfc->bfa); } static void bfa_iocfc_sm_init_cfg_done(struct bfa_iocfc_s *iocfc, enum iocfc_event event) { bfa_trc(iocfc->bfa, event); switch (event) { case IOCFC_E_START: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_operational); break; case IOCFC_E_STOP: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping); break; case IOCFC_E_DISABLE: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling); break; case IOCFC_E_IOC_FAILED: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed); break; default: bfa_sm_fault(iocfc->bfa, event); break; } } static void bfa_iocfc_sm_operational_entry(struct bfa_iocfc_s *iocfc) { bfa_fcport_init(iocfc->bfa); bfa_iocfc_start_submod(iocfc->bfa); } static void bfa_iocfc_sm_operational(struct bfa_iocfc_s *iocfc, enum iocfc_event event) { bfa_trc(iocfc->bfa, event); switch (event) { case IOCFC_E_STOP: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write); break; case IOCFC_E_DISABLE: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling); break; case IOCFC_E_IOC_FAILED: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed); break; default: bfa_sm_fault(iocfc->bfa, event); break; } } static void bfa_iocfc_sm_dconf_write_entry(struct bfa_iocfc_s *iocfc) { bfa_dconf_modexit(iocfc->bfa); } static void bfa_iocfc_sm_dconf_write(struct bfa_iocfc_s *iocfc, enum iocfc_event event) { bfa_trc(iocfc->bfa, event); switch (event) { case IOCFC_E_DCONF_DONE: case IOCFC_E_IOC_FAILED: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping); break; default: bfa_sm_fault(iocfc->bfa, event); break; } } static void bfa_iocfc_sm_stopping_entry(struct bfa_iocfc_s *iocfc) { bfa_ioc_disable(&iocfc->bfa->ioc); } static void bfa_iocfc_sm_stopping(struct bfa_iocfc_s *iocfc, enum iocfc_event event) { bfa_trc(iocfc->bfa, event); switch (event) { case IOCFC_E_IOC_DISABLED: bfa_isr_disable(iocfc->bfa); bfa_iocfc_disable_submod(iocfc->bfa); bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopped); iocfc->bfa->iocfc.op_status = BFA_STATUS_OK; bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.stop_hcb_qe, bfa_iocfc_stop_cb, iocfc->bfa); break; case IOCFC_E_IOC_ENABLED: case IOCFC_E_DCONF_DONE: case IOCFC_E_CFG_DONE: break; default: bfa_sm_fault(iocfc->bfa, event); break; } } static void bfa_iocfc_sm_enabling_entry(struct bfa_iocfc_s *iocfc) { bfa_ioc_enable(&iocfc->bfa->ioc); } static void bfa_iocfc_sm_enabling(struct bfa_iocfc_s *iocfc, enum iocfc_event event) { bfa_trc(iocfc->bfa, event); switch (event) { case IOCFC_E_IOC_ENABLED: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_cfg_wait); break; case IOCFC_E_DISABLE: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling); break; case IOCFC_E_STOP: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write); break; case IOCFC_E_IOC_FAILED: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed); if (iocfc->bfa->iocfc.cb_reqd == BFA_FALSE) break; iocfc->bfa->iocfc.op_status = BFA_STATUS_FAILED; bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.en_hcb_qe, bfa_iocfc_enable_cb, iocfc->bfa); iocfc->bfa->iocfc.cb_reqd = BFA_FALSE; break; default: bfa_sm_fault(iocfc->bfa, event); break; } } static void bfa_iocfc_sm_cfg_wait_entry(struct bfa_iocfc_s *iocfc) { bfa_iocfc_send_cfg(iocfc->bfa); } static void bfa_iocfc_sm_cfg_wait(struct bfa_iocfc_s *iocfc, enum iocfc_event event) { bfa_trc(iocfc->bfa, event); switch (event) { case IOCFC_E_CFG_DONE: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_operational); if (iocfc->bfa->iocfc.cb_reqd == BFA_FALSE) break; iocfc->bfa->iocfc.op_status = BFA_STATUS_OK; bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.en_hcb_qe, bfa_iocfc_enable_cb, iocfc->bfa); iocfc->bfa->iocfc.cb_reqd = BFA_FALSE; break; case IOCFC_E_DISABLE: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling); break; case IOCFC_E_STOP: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write); break; case IOCFC_E_IOC_FAILED: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed); if (iocfc->bfa->iocfc.cb_reqd == BFA_FALSE) break; iocfc->bfa->iocfc.op_status = BFA_STATUS_FAILED; bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.en_hcb_qe, bfa_iocfc_enable_cb, iocfc->bfa); iocfc->bfa->iocfc.cb_reqd = BFA_FALSE; break; default: bfa_sm_fault(iocfc->bfa, event); break; } } static void bfa_iocfc_sm_disabling_entry(struct bfa_iocfc_s *iocfc) { bfa_ioc_disable(&iocfc->bfa->ioc); } static void bfa_iocfc_sm_disabling(struct bfa_iocfc_s *iocfc, enum iocfc_event event) { bfa_trc(iocfc->bfa, event); switch (event) { case IOCFC_E_IOC_DISABLED: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabled); break; case IOCFC_E_IOC_ENABLED: case IOCFC_E_DCONF_DONE: case IOCFC_E_CFG_DONE: break; default: bfa_sm_fault(iocfc->bfa, event); break; } } static void bfa_iocfc_sm_disabled_entry(struct bfa_iocfc_s *iocfc) { bfa_isr_disable(iocfc->bfa); bfa_iocfc_disable_submod(iocfc->bfa); iocfc->bfa->iocfc.op_status = BFA_STATUS_OK; bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.dis_hcb_qe, bfa_iocfc_disable_cb, iocfc->bfa); } static void bfa_iocfc_sm_disabled(struct bfa_iocfc_s *iocfc, enum iocfc_event event) { bfa_trc(iocfc->bfa, event); switch (event) { case IOCFC_E_STOP: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write); break; case IOCFC_E_ENABLE: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_enabling); break; default: bfa_sm_fault(iocfc->bfa, event); break; } } static void bfa_iocfc_sm_failed_entry(struct bfa_iocfc_s *iocfc) { bfa_isr_disable(iocfc->bfa); bfa_iocfc_disable_submod(iocfc->bfa); } static void bfa_iocfc_sm_failed(struct bfa_iocfc_s *iocfc, enum iocfc_event event) { bfa_trc(iocfc->bfa, event); switch (event) { case IOCFC_E_STOP: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write); break; case IOCFC_E_DISABLE: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling); break; case IOCFC_E_IOC_ENABLED: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_cfg_wait); break; case IOCFC_E_IOC_FAILED: break; default: bfa_sm_fault(iocfc->bfa, event); break; } } static void bfa_iocfc_sm_init_failed_entry(struct bfa_iocfc_s *iocfc) { bfa_isr_disable(iocfc->bfa); iocfc->bfa->iocfc.op_status = BFA_STATUS_FAILED; bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.init_hcb_qe, bfa_iocfc_init_cb, iocfc->bfa); } static void bfa_iocfc_sm_init_failed(struct bfa_iocfc_s *iocfc, enum iocfc_event event) { bfa_trc(iocfc->bfa, event); switch (event) { case IOCFC_E_STOP: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping); break; case IOCFC_E_DISABLE: bfa_ioc_disable(&iocfc->bfa->ioc); break; case IOCFC_E_IOC_ENABLED: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_read); break; case IOCFC_E_IOC_DISABLED: bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopped); iocfc->bfa->iocfc.op_status = BFA_STATUS_OK; bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.dis_hcb_qe, bfa_iocfc_disable_cb, iocfc->bfa); break; case IOCFC_E_IOC_FAILED: break; default: bfa_sm_fault(iocfc->bfa, event); break; } } /* * BFA Interrupt handling functions */ static void bfa_reqq_resume(struct bfa_s *bfa, int qid) { struct list_head *waitq, *qe, *qen; struct bfa_reqq_wait_s *wqe; waitq = bfa_reqq(bfa, qid); list_for_each_safe(qe, qen, waitq) { /* * Callback only as long as there is room in request queue */ if (bfa_reqq_full(bfa, qid)) break; list_del(qe); wqe = (struct bfa_reqq_wait_s *) qe; wqe->qresume(wqe->cbarg); } } bfa_boolean_t bfa_isr_rspq(struct bfa_s *bfa, int qid) { struct bfi_msg_s *m; u32 pi, ci; struct list_head *waitq; bfa_boolean_t ret; ci = bfa_rspq_ci(bfa, qid); pi = bfa_rspq_pi(bfa, qid); ret = (ci != pi); while (ci != pi) { m = bfa_rspq_elem(bfa, qid, ci); WARN_ON(m->mhdr.msg_class >= BFI_MC_MAX); bfa_isrs[m->mhdr.msg_class] (bfa, m); CQ_INCR(ci, bfa->iocfc.cfg.drvcfg.num_rspq_elems); } /* * acknowledge RME completions and update CI */ bfa_isr_rspq_ack(bfa, qid, ci); /* * Resume any pending requests in the corresponding reqq. */ waitq = bfa_reqq(bfa, qid); if (!list_empty(waitq)) bfa_reqq_resume(bfa, qid); return ret; } static inline void bfa_isr_reqq(struct bfa_s *bfa, int qid) { struct list_head *waitq; bfa_isr_reqq_ack(bfa, qid); /* * Resume any pending requests in the corresponding reqq. */ waitq = bfa_reqq(bfa, qid); if (!list_empty(waitq)) bfa_reqq_resume(bfa, qid); } void bfa_msix_all(struct bfa_s *bfa, int vec) { u32 intr, qintr; int queue; intr = readl(bfa->iocfc.bfa_regs.intr_status); if (!intr) return; /* * RME completion queue interrupt */ qintr = intr & __HFN_INT_RME_MASK; if (qintr && bfa->queue_process) { for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++) bfa_isr_rspq(bfa, queue); } intr &= ~qintr; if (!intr) return; /* * CPE completion queue interrupt */ qintr = intr & __HFN_INT_CPE_MASK; if (qintr && bfa->queue_process) { for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++) bfa_isr_reqq(bfa, queue); } intr &= ~qintr; if (!intr) return; bfa_msix_lpu_err(bfa, intr); } bfa_boolean_t bfa_intx(struct bfa_s *bfa) { u32 intr, qintr; int queue; bfa_boolean_t rspq_comp = BFA_FALSE; intr = readl(bfa->iocfc.bfa_regs.intr_status); qintr = intr & (__HFN_INT_RME_MASK | __HFN_INT_CPE_MASK); if (qintr) writel(qintr, bfa->iocfc.bfa_regs.intr_status); /* * Unconditional RME completion queue interrupt */ if (bfa->queue_process) { for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++) if (bfa_isr_rspq(bfa, queue)) rspq_comp = BFA_TRUE; } if (!intr) return (qintr | rspq_comp) ? BFA_TRUE : BFA_FALSE; /* * CPE completion queue interrupt */ qintr = intr & __HFN_INT_CPE_MASK; if (qintr && bfa->queue_process) { for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++) bfa_isr_reqq(bfa, queue); } intr &= ~qintr; if (!intr) return BFA_TRUE; if (bfa->intr_enabled) bfa_msix_lpu_err(bfa, intr); return BFA_TRUE; } void bfa_isr_enable(struct bfa_s *bfa) { u32 umsk; int port_id = bfa_ioc_portid(&bfa->ioc); bfa_trc(bfa, bfa_ioc_pcifn(&bfa->ioc)); bfa_trc(bfa, port_id); bfa_msix_ctrl_install(bfa); if (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)) { umsk = __HFN_INT_ERR_MASK_CT2; umsk |= port_id == 0 ? __HFN_INT_FN0_MASK_CT2 : __HFN_INT_FN1_MASK_CT2; } else { umsk = __HFN_INT_ERR_MASK; umsk |= port_id == 0 ? __HFN_INT_FN0_MASK : __HFN_INT_FN1_MASK; } writel(umsk, bfa->iocfc.bfa_regs.intr_status); writel(~umsk, bfa->iocfc.bfa_regs.intr_mask); bfa->iocfc.intr_mask = ~umsk; bfa_isr_mode_set(bfa, bfa->msix.nvecs != 0); /* * Set the flag indicating successful enabling of interrupts */ bfa->intr_enabled = BFA_TRUE; } void bfa_isr_disable(struct bfa_s *bfa) { bfa->intr_enabled = BFA_FALSE; bfa_isr_mode_set(bfa, BFA_FALSE); writel(-1L, bfa->iocfc.bfa_regs.intr_mask); bfa_msix_uninstall(bfa); } void bfa_msix_reqq(struct bfa_s *bfa, int vec) { bfa_isr_reqq(bfa, vec - bfa->iocfc.hwif.cpe_vec_q0); } void bfa_isr_unhandled(struct bfa_s *bfa, struct bfi_msg_s *m) { bfa_trc(bfa, m->mhdr.msg_class); bfa_trc(bfa, m->mhdr.msg_id); bfa_trc(bfa, m->mhdr.mtag.i2htok); WARN_ON(1); bfa_trc_stop(bfa->trcmod); } void bfa_msix_rspq(struct bfa_s *bfa, int vec) { bfa_isr_rspq(bfa, vec - bfa->iocfc.hwif.rme_vec_q0); } void bfa_msix_lpu_err(struct bfa_s *bfa, int vec) { u32 intr, curr_value; bfa_boolean_t lpu_isr, halt_isr, pss_isr; intr = readl(bfa->iocfc.bfa_regs.intr_status); if (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)) { halt_isr = intr & __HFN_INT_CPQ_HALT_CT2; pss_isr = intr & __HFN_INT_ERR_PSS_CT2; lpu_isr = intr & (__HFN_INT_MBOX_LPU0_CT2 | __HFN_INT_MBOX_LPU1_CT2); intr &= __HFN_INT_ERR_MASK_CT2; } else { halt_isr = bfa_asic_id_ct(bfa->ioc.pcidev.device_id) ? (intr & __HFN_INT_LL_HALT) : 0; pss_isr = intr & __HFN_INT_ERR_PSS; lpu_isr = intr & (__HFN_INT_MBOX_LPU0 | __HFN_INT_MBOX_LPU1); intr &= __HFN_INT_ERR_MASK; } if (lpu_isr) bfa_ioc_mbox_isr(&bfa->ioc); if (intr) { if (halt_isr) { /* * If LL_HALT bit is set then FW Init Halt LL Port * Register needs to be cleared as well so Interrupt * Status Register will be cleared. */ curr_value = readl(bfa->ioc.ioc_regs.ll_halt); curr_value &= ~__FW_INIT_HALT_P; writel(curr_value, bfa->ioc.ioc_regs.ll_halt); } if (pss_isr) { /* * ERR_PSS bit needs to be cleared as well in case * interrups are shared so driver's interrupt handler is * still called even though it is already masked out. */ curr_value = readl( bfa->ioc.ioc_regs.pss_err_status_reg); writel(curr_value, bfa->ioc.ioc_regs.pss_err_status_reg); } writel(intr, bfa->iocfc.bfa_regs.intr_status); bfa_ioc_error_isr(&bfa->ioc); } } /* * BFA IOC FC related functions */ /* * BFA IOC private functions */ /* * Use the Mailbox interface to send BFI_IOCFC_H2I_CFG_REQ */ static void bfa_iocfc_send_cfg(void *bfa_arg) { struct bfa_s *bfa = bfa_arg; struct bfa_iocfc_s *iocfc = &bfa->iocfc; struct bfi_iocfc_cfg_req_s cfg_req; struct bfi_iocfc_cfg_s *cfg_info = iocfc->cfginfo; struct bfa_iocfc_cfg_s *cfg = &iocfc->cfg; int i; WARN_ON(cfg->fwcfg.num_cqs > BFI_IOC_MAX_CQS); bfa_trc(bfa, cfg->fwcfg.num_cqs); bfa_iocfc_reset_queues(bfa); /* * initialize IOC configuration info */ cfg_info->single_msix_vec = 0; if (bfa->msix.nvecs == 1) cfg_info->single_msix_vec = 1; cfg_info->endian_sig = BFI_IOC_ENDIAN_SIG; cfg_info->num_cqs = cfg->fwcfg.num_cqs; cfg_info->num_ioim_reqs = cpu_to_be16(bfa_fcpim_get_throttle_cfg(bfa, cfg->fwcfg.num_ioim_reqs)); cfg_info->num_fwtio_reqs = cpu_to_be16(cfg->fwcfg.num_fwtio_reqs); bfa_dma_be_addr_set(cfg_info->cfgrsp_addr, iocfc->cfgrsp_dma.pa); /* * dma map REQ and RSP circular queues and shadow pointers */ for (i = 0; i < cfg->fwcfg.num_cqs; i++) { bfa_dma_be_addr_set(cfg_info->req_cq_ba[i], iocfc->req_cq_ba[i].pa); bfa_dma_be_addr_set(cfg_info->req_shadow_ci[i], iocfc->req_cq_shadow_ci[i].pa); cfg_info->req_cq_elems[i] = cpu_to_be16(cfg->drvcfg.num_reqq_elems); bfa_dma_be_addr_set(cfg_info->rsp_cq_ba[i], iocfc->rsp_cq_ba[i].pa); bfa_dma_be_addr_set(cfg_info->rsp_shadow_pi[i], iocfc->rsp_cq_shadow_pi[i].pa); cfg_info->rsp_cq_elems[i] = cpu_to_be16(cfg->drvcfg.num_rspq_elems); } /* * Enable interrupt coalescing if it is driver init path * and not ioc disable/enable path. */ if (bfa_fsm_cmp_state(iocfc, bfa_iocfc_sm_init_cfg_wait)) cfg_info->intr_attr.coalesce = BFA_TRUE; /* * dma map IOC configuration itself */ bfi_h2i_set(cfg_req.mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_CFG_REQ, bfa_fn_lpu(bfa)); bfa_dma_be_addr_set(cfg_req.ioc_cfg_dma_addr, iocfc->cfg_info.pa); bfa_ioc_mbox_send(&bfa->ioc, &cfg_req, sizeof(struct bfi_iocfc_cfg_req_s)); } static void bfa_iocfc_init_mem(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, struct bfa_pcidev_s *pcidev) { struct bfa_iocfc_s *iocfc = &bfa->iocfc; bfa->bfad = bfad; iocfc->bfa = bfa; iocfc->cfg = *cfg; /* * Initialize chip specific handlers. */ if (bfa_asic_id_ctc(bfa_ioc_devid(&bfa->ioc))) { iocfc->hwif.hw_reginit = bfa_hwct_reginit; iocfc->hwif.hw_reqq_ack = bfa_hwct_reqq_ack; iocfc->hwif.hw_rspq_ack = bfa_hwct_rspq_ack; iocfc->hwif.hw_msix_init = bfa_hwct_msix_init; iocfc->hwif.hw_msix_ctrl_install = bfa_hwct_msix_ctrl_install; iocfc->hwif.hw_msix_queue_install = bfa_hwct_msix_queue_install; iocfc->hwif.hw_msix_uninstall = bfa_hwct_msix_uninstall; iocfc->hwif.hw_isr_mode_set = bfa_hwct_isr_mode_set; iocfc->hwif.hw_msix_getvecs = bfa_hwct_msix_getvecs; iocfc->hwif.hw_msix_get_rme_range = bfa_hwct_msix_get_rme_range; iocfc->hwif.rme_vec_q0 = BFI_MSIX_RME_QMIN_CT; iocfc->hwif.cpe_vec_q0 = BFI_MSIX_CPE_QMIN_CT; } else { iocfc->hwif.hw_reginit = bfa_hwcb_reginit; iocfc->hwif.hw_reqq_ack = NULL; iocfc->hwif.hw_rspq_ack = bfa_hwcb_rspq_ack; iocfc->hwif.hw_msix_init = bfa_hwcb_msix_init; iocfc->hwif.hw_msix_ctrl_install = bfa_hwcb_msix_ctrl_install; iocfc->hwif.hw_msix_queue_install = bfa_hwcb_msix_queue_install; iocfc->hwif.hw_msix_uninstall = bfa_hwcb_msix_uninstall; iocfc->hwif.hw_isr_mode_set = bfa_hwcb_isr_mode_set; iocfc->hwif.hw_msix_getvecs = bfa_hwcb_msix_getvecs; iocfc->hwif.hw_msix_get_rme_range = bfa_hwcb_msix_get_rme_range; iocfc->hwif.rme_vec_q0 = BFI_MSIX_RME_QMIN_CB + bfa_ioc_pcifn(&bfa->ioc) * BFI_IOC_MAX_CQS; iocfc->hwif.cpe_vec_q0 = BFI_MSIX_CPE_QMIN_CB + bfa_ioc_pcifn(&bfa->ioc) * BFI_IOC_MAX_CQS; } if (bfa_asic_id_ct2(bfa_ioc_devid(&bfa->ioc))) { iocfc->hwif.hw_reginit = bfa_hwct2_reginit; iocfc->hwif.hw_isr_mode_set = NULL; iocfc->hwif.hw_rspq_ack = bfa_hwct2_rspq_ack; } iocfc->hwif.hw_reginit(bfa); bfa->msix.nvecs = 0; } static void bfa_iocfc_mem_claim(struct bfa_s *bfa, struct bfa_iocfc_cfg_s *cfg) { u8 *dm_kva = NULL; u64 dm_pa = 0; int i, per_reqq_sz, per_rspq_sz; struct bfa_iocfc_s *iocfc = &bfa->iocfc; struct bfa_mem_dma_s *ioc_dma = BFA_MEM_IOC_DMA(bfa); struct bfa_mem_dma_s *iocfc_dma = BFA_MEM_IOCFC_DMA(bfa); struct bfa_mem_dma_s *reqq_dma, *rspq_dma; /* First allocate dma memory for IOC */ bfa_ioc_mem_claim(&bfa->ioc, bfa_mem_dma_virt(ioc_dma), bfa_mem_dma_phys(ioc_dma)); /* Claim DMA-able memory for the request/response queues */ per_reqq_sz = BFA_ROUNDUP((cfg->drvcfg.num_reqq_elems * BFI_LMSG_SZ), BFA_DMA_ALIGN_SZ); per_rspq_sz = BFA_ROUNDUP((cfg->drvcfg.num_rspq_elems * BFI_LMSG_SZ), BFA_DMA_ALIGN_SZ); for (i = 0; i < cfg->fwcfg.num_cqs; i++) { reqq_dma = BFA_MEM_REQQ_DMA(bfa, i); iocfc->req_cq_ba[i].kva = bfa_mem_dma_virt(reqq_dma); iocfc->req_cq_ba[i].pa = bfa_mem_dma_phys(reqq_dma); memset(iocfc->req_cq_ba[i].kva, 0, per_reqq_sz); rspq_dma = BFA_MEM_RSPQ_DMA(bfa, i); iocfc->rsp_cq_ba[i].kva = bfa_mem_dma_virt(rspq_dma); iocfc->rsp_cq_ba[i].pa = bfa_mem_dma_phys(rspq_dma); memset(iocfc->rsp_cq_ba[i].kva, 0, per_rspq_sz); } /* Claim IOCFC dma memory - for shadow CI/PI */ dm_kva = bfa_mem_dma_virt(iocfc_dma); dm_pa = bfa_mem_dma_phys(iocfc_dma); for (i = 0; i < cfg->fwcfg.num_cqs; i++) { iocfc->req_cq_shadow_ci[i].kva = dm_kva; iocfc->req_cq_shadow_ci[i].pa = dm_pa; dm_kva += BFA_CACHELINE_SZ; dm_pa += BFA_CACHELINE_SZ; iocfc->rsp_cq_shadow_pi[i].kva = dm_kva; iocfc->rsp_cq_shadow_pi[i].pa = dm_pa; dm_kva += BFA_CACHELINE_SZ; dm_pa += BFA_CACHELINE_SZ; } /* Claim IOCFC dma memory - for the config info page */ bfa->iocfc.cfg_info.kva = dm_kva; bfa->iocfc.cfg_info.pa = dm_pa; bfa->iocfc.cfginfo = (struct bfi_iocfc_cfg_s *) dm_kva; dm_kva += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ); dm_pa += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ); /* Claim IOCFC dma memory - for the config response */ bfa->iocfc.cfgrsp_dma.kva = dm_kva; bfa->iocfc.cfgrsp_dma.pa = dm_pa; bfa->iocfc.cfgrsp = (struct bfi_iocfc_cfgrsp_s *) dm_kva; dm_kva += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s), BFA_CACHELINE_SZ); dm_pa += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s), BFA_CACHELINE_SZ); /* Claim IOCFC kva memory */ bfa_ioc_debug_memclaim(&bfa->ioc, bfa_mem_kva_curp(iocfc)); bfa_mem_kva_curp(iocfc) += BFA_DBG_FWTRC_LEN; } /* * Start BFA submodules. */ static void bfa_iocfc_start_submod(struct bfa_s *bfa) { int i; bfa->queue_process = BFA_TRUE; for (i = 0; i < BFI_IOC_MAX_CQS; i++) bfa_isr_rspq_ack(bfa, i, bfa_rspq_ci(bfa, i)); for (i = 0; hal_mods[i]; i++) hal_mods[i]->start(bfa); bfa->iocfc.submod_enabled = BFA_TRUE; } /* * Disable BFA submodules. */ static void bfa_iocfc_disable_submod(struct bfa_s *bfa) { int i; if (bfa->iocfc.submod_enabled == BFA_FALSE) return; for (i = 0; hal_mods[i]; i++) hal_mods[i]->iocdisable(bfa); bfa->iocfc.submod_enabled = BFA_FALSE; } static void bfa_iocfc_init_cb(void *bfa_arg, bfa_boolean_t complete) { struct bfa_s *bfa = bfa_arg; if (complete) bfa_cb_init(bfa->bfad, bfa->iocfc.op_status); } static void bfa_iocfc_stop_cb(void *bfa_arg, bfa_boolean_t compl) { struct bfa_s *bfa = bfa_arg; struct bfad_s *bfad = bfa->bfad; if (compl) complete(&bfad->comp); } static void bfa_iocfc_enable_cb(void *bfa_arg, bfa_boolean_t compl) { struct bfa_s *bfa = bfa_arg; struct bfad_s *bfad = bfa->bfad; if (compl) complete(&bfad->enable_comp); } static void bfa_iocfc_disable_cb(void *bfa_arg, bfa_boolean_t compl) { struct bfa_s *bfa = bfa_arg; struct bfad_s *bfad = bfa->bfad; if (compl) complete(&bfad->disable_comp); } /** * configure queue registers from firmware response */ static void bfa_iocfc_qreg(struct bfa_s *bfa, struct bfi_iocfc_qreg_s *qreg) { int i; struct bfa_iocfc_regs_s *r = &bfa->iocfc.bfa_regs; void __iomem *kva = bfa_ioc_bar0(&bfa->ioc); for (i = 0; i < BFI_IOC_MAX_CQS; i++) { bfa->iocfc.hw_qid[i] = qreg->hw_qid[i]; r->cpe_q_ci[i] = kva + be32_to_cpu(qreg->cpe_q_ci_off[i]); r->cpe_q_pi[i] = kva + be32_to_cpu(qreg->cpe_q_pi_off[i]); r->cpe_q_ctrl[i] = kva + be32_to_cpu(qreg->cpe_qctl_off[i]); r->rme_q_ci[i] = kva + be32_to_cpu(qreg->rme_q_ci_off[i]); r->rme_q_pi[i] = kva + be32_to_cpu(qreg->rme_q_pi_off[i]); r->rme_q_ctrl[i] = kva + be32_to_cpu(qreg->rme_qctl_off[i]); } } static void bfa_iocfc_res_recfg(struct bfa_s *bfa, struct bfa_iocfc_fwcfg_s *fwcfg) { struct bfa_iocfc_s *iocfc = &bfa->iocfc; struct bfi_iocfc_cfg_s *cfg_info = iocfc->cfginfo; bfa_fcxp_res_recfg(bfa, fwcfg->num_fcxp_reqs); bfa_uf_res_recfg(bfa, fwcfg->num_uf_bufs); bfa_rport_res_recfg(bfa, fwcfg->num_rports); bfa_fcp_res_recfg(bfa, cpu_to_be16(cfg_info->num_ioim_reqs), fwcfg->num_ioim_reqs); bfa_tskim_res_recfg(bfa, fwcfg->num_tskim_reqs); } /* * Update BFA configuration from firmware configuration. */ static void bfa_iocfc_cfgrsp(struct bfa_s *bfa) { struct bfa_iocfc_s *iocfc = &bfa->iocfc; struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp; struct bfa_iocfc_fwcfg_s *fwcfg = &cfgrsp->fwcfg; fwcfg->num_cqs = fwcfg->num_cqs; fwcfg->num_ioim_reqs = be16_to_cpu(fwcfg->num_ioim_reqs); fwcfg->num_fwtio_reqs = be16_to_cpu(fwcfg->num_fwtio_reqs); fwcfg->num_tskim_reqs = be16_to_cpu(fwcfg->num_tskim_reqs); fwcfg->num_fcxp_reqs = be16_to_cpu(fwcfg->num_fcxp_reqs); fwcfg->num_uf_bufs = be16_to_cpu(fwcfg->num_uf_bufs); fwcfg->num_rports = be16_to_cpu(fwcfg->num_rports); /* * configure queue register offsets as learnt from firmware */ bfa_iocfc_qreg(bfa, &cfgrsp->qreg); /* * Re-configure resources as learnt from Firmware */ bfa_iocfc_res_recfg(bfa, fwcfg); /* * Install MSIX queue handlers */ bfa_msix_queue_install(bfa); if (bfa->iocfc.cfgrsp->pbc_cfg.pbc_pwwn != 0) { bfa->ioc.attr->pwwn = bfa->iocfc.cfgrsp->pbc_cfg.pbc_pwwn; bfa->ioc.attr->nwwn = bfa->iocfc.cfgrsp->pbc_cfg.pbc_nwwn; bfa_fsm_send_event(iocfc, IOCFC_E_CFG_DONE); } } void bfa_iocfc_reset_queues(struct bfa_s *bfa) { int q; for (q = 0; q < BFI_IOC_MAX_CQS; q++) { bfa_reqq_ci(bfa, q) = 0; bfa_reqq_pi(bfa, q) = 0; bfa_rspq_ci(bfa, q) = 0; bfa_rspq_pi(bfa, q) = 0; } } /* * Process FAA pwwn msg from fw. */ static void bfa_iocfc_process_faa_addr(struct bfa_s *bfa, struct bfi_faa_addr_msg_s *msg) { struct bfa_iocfc_s *iocfc = &bfa->iocfc; struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp; cfgrsp->pbc_cfg.pbc_pwwn = msg->pwwn; cfgrsp->pbc_cfg.pbc_nwwn = msg->nwwn; bfa->ioc.attr->pwwn = msg->pwwn; bfa->ioc.attr->nwwn = msg->nwwn; bfa_fsm_send_event(iocfc, IOCFC_E_CFG_DONE); } /* Fabric Assigned Address specific functions */ /* * Check whether IOC is ready before sending command down */ static bfa_status_t bfa_faa_validate_request(struct bfa_s *bfa) { enum bfa_ioc_type_e ioc_type = bfa_get_type(bfa); u32 card_type = bfa->ioc.attr->card_type; if (bfa_ioc_is_operational(&bfa->ioc)) { if ((ioc_type != BFA_IOC_TYPE_FC) || bfa_mfg_is_mezz(card_type)) return BFA_STATUS_FEATURE_NOT_SUPPORTED; } else { return BFA_STATUS_IOC_NON_OP; } return BFA_STATUS_OK; } bfa_status_t bfa_faa_query(struct bfa_s *bfa, struct bfa_faa_attr_s *attr, bfa_cb_iocfc_t cbfn, void *cbarg) { struct bfi_faa_query_s faa_attr_req; struct bfa_iocfc_s *iocfc = &bfa->iocfc; bfa_status_t status; iocfc->faa_args.faa_attr = attr; iocfc->faa_args.faa_cb.faa_cbfn = cbfn; iocfc->faa_args.faa_cb.faa_cbarg = cbarg; status = bfa_faa_validate_request(bfa); if (status != BFA_STATUS_OK) return status; if (iocfc->faa_args.busy == BFA_TRUE) return BFA_STATUS_DEVBUSY; iocfc->faa_args.busy = BFA_TRUE; memset(&faa_attr_req, 0, sizeof(struct bfi_faa_query_s)); bfi_h2i_set(faa_attr_req.mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_FAA_QUERY_REQ, bfa_fn_lpu(bfa)); bfa_ioc_mbox_send(&bfa->ioc, &faa_attr_req, sizeof(struct bfi_faa_query_s)); return BFA_STATUS_OK; } /* * FAA query response */ static void bfa_faa_query_reply(struct bfa_iocfc_s *iocfc, bfi_faa_query_rsp_t *rsp) { void *cbarg = iocfc->faa_args.faa_cb.faa_cbarg; if (iocfc->faa_args.faa_attr) { iocfc->faa_args.faa_attr->faa = rsp->faa; iocfc->faa_args.faa_attr->faa_state = rsp->faa_status; iocfc->faa_args.faa_attr->pwwn_source = rsp->addr_source; } WARN_ON(!iocfc->faa_args.faa_cb.faa_cbfn); iocfc->faa_args.faa_cb.faa_cbfn(cbarg, BFA_STATUS_OK); iocfc->faa_args.busy = BFA_FALSE; } /* * IOC enable request is complete */ static void bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status) { struct bfa_s *bfa = bfa_arg; if (status == BFA_STATUS_OK) bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_ENABLED); else bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_FAILED); } /* * IOC disable request is complete */ static void bfa_iocfc_disable_cbfn(void *bfa_arg) { struct bfa_s *bfa = bfa_arg; bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_DISABLED); } /* * Notify sub-modules of hardware failure. */ static void bfa_iocfc_hbfail_cbfn(void *bfa_arg) { struct bfa_s *bfa = bfa_arg; bfa->queue_process = BFA_FALSE; bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_FAILED); } /* * Actions on chip-reset completion. */ static void bfa_iocfc_reset_cbfn(void *bfa_arg) { struct bfa_s *bfa = bfa_arg; bfa_iocfc_reset_queues(bfa); bfa_isr_enable(bfa); } /* * Query IOC memory requirement information. */ void bfa_iocfc_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo, struct bfa_s *bfa) { int q, per_reqq_sz, per_rspq_sz; struct bfa_mem_dma_s *ioc_dma = BFA_MEM_IOC_DMA(bfa); struct bfa_mem_dma_s *iocfc_dma = BFA_MEM_IOCFC_DMA(bfa); struct bfa_mem_kva_s *iocfc_kva = BFA_MEM_IOCFC_KVA(bfa); u32 dm_len = 0; /* dma memory setup for IOC */ bfa_mem_dma_setup(meminfo, ioc_dma, BFA_ROUNDUP(sizeof(struct bfi_ioc_attr_s), BFA_DMA_ALIGN_SZ)); /* dma memory setup for REQ/RSP queues */ per_reqq_sz = BFA_ROUNDUP((cfg->drvcfg.num_reqq_elems * BFI_LMSG_SZ), BFA_DMA_ALIGN_SZ); per_rspq_sz = BFA_ROUNDUP((cfg->drvcfg.num_rspq_elems * BFI_LMSG_SZ), BFA_DMA_ALIGN_SZ); for (q = 0; q < cfg->fwcfg.num_cqs; q++) { bfa_mem_dma_setup(meminfo, BFA_MEM_REQQ_DMA(bfa, q), per_reqq_sz); bfa_mem_dma_setup(meminfo, BFA_MEM_RSPQ_DMA(bfa, q), per_rspq_sz); } /* IOCFC dma memory - calculate Shadow CI/PI size */ for (q = 0; q < cfg->fwcfg.num_cqs; q++) dm_len += (2 * BFA_CACHELINE_SZ); /* IOCFC dma memory - calculate config info / rsp size */ dm_len += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ); dm_len += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s), BFA_CACHELINE_SZ); /* dma memory setup for IOCFC */ bfa_mem_dma_setup(meminfo, iocfc_dma, dm_len); /* kva memory setup for IOCFC */ bfa_mem_kva_setup(meminfo, iocfc_kva, BFA_DBG_FWTRC_LEN); } /* * Query IOC memory requirement information. */ void bfa_iocfc_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, struct bfa_pcidev_s *pcidev) { int i; struct bfa_ioc_s *ioc = &bfa->ioc; bfa_iocfc_cbfn.enable_cbfn = bfa_iocfc_enable_cbfn; bfa_iocfc_cbfn.disable_cbfn = bfa_iocfc_disable_cbfn; bfa_iocfc_cbfn.hbfail_cbfn = bfa_iocfc_hbfail_cbfn; bfa_iocfc_cbfn.reset_cbfn = bfa_iocfc_reset_cbfn; ioc->trcmod = bfa->trcmod; bfa_ioc_attach(&bfa->ioc, bfa, &bfa_iocfc_cbfn, &bfa->timer_mod); bfa_ioc_pci_init(&bfa->ioc, pcidev, BFI_PCIFN_CLASS_FC); bfa_ioc_mbox_register(&bfa->ioc, bfa_mbox_isrs); bfa_iocfc_init_mem(bfa, bfad, cfg, pcidev); bfa_iocfc_mem_claim(bfa, cfg); INIT_LIST_HEAD(&bfa->timer_mod.timer_q); INIT_LIST_HEAD(&bfa->comp_q); for (i = 0; i < BFI_IOC_MAX_CQS; i++) INIT_LIST_HEAD(&bfa->reqq_waitq[i]); bfa->iocfc.cb_reqd = BFA_FALSE; bfa->iocfc.op_status = BFA_STATUS_OK; bfa->iocfc.submod_enabled = BFA_FALSE; bfa_fsm_set_state(&bfa->iocfc, bfa_iocfc_sm_stopped); } /* * Query IOC memory requirement information. */ void bfa_iocfc_init(struct bfa_s *bfa) { bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_INIT); } /* * IOC start called from bfa_start(). Called to start IOC operations * at driver instantiation for this instance. */ void bfa_iocfc_start(struct bfa_s *bfa) { bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_START); } /* * IOC stop called from bfa_stop(). Called only when driver is unloaded * for this instance. */ void bfa_iocfc_stop(struct bfa_s *bfa) { bfa->queue_process = BFA_FALSE; bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_STOP); } void bfa_iocfc_isr(void *bfaarg, struct bfi_mbmsg_s *m) { struct bfa_s *bfa = bfaarg; struct bfa_iocfc_s *iocfc = &bfa->iocfc; union bfi_iocfc_i2h_msg_u *msg; msg = (union bfi_iocfc_i2h_msg_u *) m; bfa_trc(bfa, msg->mh.msg_id); switch (msg->mh.msg_id) { case BFI_IOCFC_I2H_CFG_REPLY: bfa_iocfc_cfgrsp(bfa); break; case BFI_IOCFC_I2H_UPDATEQ_RSP: iocfc->updateq_cbfn(iocfc->updateq_cbarg, BFA_STATUS_OK); break; case BFI_IOCFC_I2H_ADDR_MSG: bfa_iocfc_process_faa_addr(bfa, (struct bfi_faa_addr_msg_s *)msg); break; case BFI_IOCFC_I2H_FAA_QUERY_RSP: bfa_faa_query_reply(iocfc, (bfi_faa_query_rsp_t *)msg); break; default: WARN_ON(1); } } void bfa_iocfc_get_attr(struct bfa_s *bfa, struct bfa_iocfc_attr_s *attr) { struct bfa_iocfc_s *iocfc = &bfa->iocfc; attr->intr_attr.coalesce = iocfc->cfginfo->intr_attr.coalesce; attr->intr_attr.delay = iocfc->cfginfo->intr_attr.delay ? be16_to_cpu(iocfc->cfginfo->intr_attr.delay) : be16_to_cpu(iocfc->cfgrsp->intr_attr.delay); attr->intr_attr.latency = iocfc->cfginfo->intr_attr.latency ? be16_to_cpu(iocfc->cfginfo->intr_attr.latency) : be16_to_cpu(iocfc->cfgrsp->intr_attr.latency); attr->config = iocfc->cfg; } bfa_status_t bfa_iocfc_israttr_set(struct bfa_s *bfa, struct bfa_iocfc_intr_attr_s *attr) { struct bfa_iocfc_s *iocfc = &bfa->iocfc; struct bfi_iocfc_set_intr_req_s *m; iocfc->cfginfo->intr_attr.coalesce = attr->coalesce; iocfc->cfginfo->intr_attr.delay = cpu_to_be16(attr->delay); iocfc->cfginfo->intr_attr.latency = cpu_to_be16(attr->latency); if (!bfa_iocfc_is_operational(bfa)) return BFA_STATUS_OK; m = bfa_reqq_next(bfa, BFA_REQQ_IOC); if (!m) return BFA_STATUS_DEVBUSY; bfi_h2i_set(m->mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_SET_INTR_REQ, bfa_fn_lpu(bfa)); m->coalesce = iocfc->cfginfo->intr_attr.coalesce; m->delay = iocfc->cfginfo->intr_attr.delay; m->latency = iocfc->cfginfo->intr_attr.latency; bfa_trc(bfa, attr->delay); bfa_trc(bfa, attr->latency); bfa_reqq_produce(bfa, BFA_REQQ_IOC, m->mh); return BFA_STATUS_OK; } void bfa_iocfc_set_snsbase(struct bfa_s *bfa, int seg_no, u64 snsbase_pa) { struct bfa_iocfc_s *iocfc = &bfa->iocfc; iocfc->cfginfo->sense_buf_len = (BFI_IOIM_SNSLEN - 1); bfa_dma_be_addr_set(iocfc->cfginfo->ioim_snsbase[seg_no], snsbase_pa); } /* * Enable IOC after it is disabled. */ void bfa_iocfc_enable(struct bfa_s *bfa) { bfa_plog_str(bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_MISC, 0, "IOC Enable"); bfa->iocfc.cb_reqd = BFA_TRUE; bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_ENABLE); } void bfa_iocfc_disable(struct bfa_s *bfa) { bfa_plog_str(bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_MISC, 0, "IOC Disable"); bfa->queue_process = BFA_FALSE; bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_DISABLE); } bfa_boolean_t bfa_iocfc_is_operational(struct bfa_s *bfa) { return bfa_ioc_is_operational(&bfa->ioc) && bfa_fsm_cmp_state(&bfa->iocfc, bfa_iocfc_sm_operational); } /* * Return boot target port wwns -- read from boot information in flash. */ void bfa_iocfc_get_bootwwns(struct bfa_s *bfa, u8 *nwwns, wwn_t *wwns) { struct bfa_iocfc_s *iocfc = &bfa->iocfc; struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp; int i; if (cfgrsp->pbc_cfg.boot_enabled && cfgrsp->pbc_cfg.nbluns) { bfa_trc(bfa, cfgrsp->pbc_cfg.nbluns); *nwwns = cfgrsp->pbc_cfg.nbluns; for (i = 0; i < cfgrsp->pbc_cfg.nbluns; i++) wwns[i] = cfgrsp->pbc_cfg.blun[i].tgt_pwwn; return; } *nwwns = cfgrsp->bootwwns.nwwns; memcpy(wwns, cfgrsp->bootwwns.wwn, sizeof(cfgrsp->bootwwns.wwn)); } int bfa_iocfc_get_pbc_vports(struct bfa_s *bfa, struct bfi_pbc_vport_s *pbc_vport) { struct bfa_iocfc_s *iocfc = &bfa->iocfc; struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp; memcpy(pbc_vport, cfgrsp->pbc_cfg.vport, sizeof(cfgrsp->pbc_cfg.vport)); return cfgrsp->pbc_cfg.nvports; } /* * Use this function query the memory requirement of the BFA library. * This function needs to be called before bfa_attach() to get the * memory required of the BFA layer for a given driver configuration. * * This call will fail, if the cap is out of range compared to pre-defined * values within the BFA library * * @param[in] cfg - pointer to bfa_ioc_cfg_t. Driver layer should indicate * its configuration in this structure. * The default values for struct bfa_iocfc_cfg_s can be * fetched using bfa_cfg_get_default() API. * * If cap's boundary check fails, the library will use * the default bfa_cap_t values (and log a warning msg). * * @param[out] meminfo - pointer to bfa_meminfo_t. This content * indicates the memory type (see bfa_mem_type_t) and * amount of memory required. * * Driver should allocate the memory, populate the * starting address for each block and provide the same * structure as input parameter to bfa_attach() call. * * @param[in] bfa - pointer to the bfa structure, used while fetching the * dma, kva memory information of the bfa sub-modules. * * @return void * * Special Considerations: @note */ void bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo, struct bfa_s *bfa) { int i; struct bfa_mem_dma_s *port_dma = BFA_MEM_PORT_DMA(bfa); struct bfa_mem_dma_s *ablk_dma = BFA_MEM_ABLK_DMA(bfa); struct bfa_mem_dma_s *cee_dma = BFA_MEM_CEE_DMA(bfa); struct bfa_mem_dma_s *sfp_dma = BFA_MEM_SFP_DMA(bfa); struct bfa_mem_dma_s *flash_dma = BFA_MEM_FLASH_DMA(bfa); struct bfa_mem_dma_s *diag_dma = BFA_MEM_DIAG_DMA(bfa); struct bfa_mem_dma_s *phy_dma = BFA_MEM_PHY_DMA(bfa); struct bfa_mem_dma_s *fru_dma = BFA_MEM_FRU_DMA(bfa); WARN_ON((cfg == NULL) || (meminfo == NULL)); memset((void *)meminfo, 0, sizeof(struct bfa_meminfo_s)); /* Initialize the DMA & KVA meminfo queues */ INIT_LIST_HEAD(&meminfo->dma_info.qe); INIT_LIST_HEAD(&meminfo->kva_info.qe); bfa_iocfc_meminfo(cfg, meminfo, bfa); for (i = 0; hal_mods[i]; i++) hal_mods[i]->meminfo(cfg, meminfo, bfa); /* dma info setup */ bfa_mem_dma_setup(meminfo, port_dma, bfa_port_meminfo()); bfa_mem_dma_setup(meminfo, ablk_dma, bfa_ablk_meminfo()); bfa_mem_dma_setup(meminfo, cee_dma, bfa_cee_meminfo()); bfa_mem_dma_setup(meminfo, sfp_dma, bfa_sfp_meminfo()); bfa_mem_dma_setup(meminfo, flash_dma, bfa_flash_meminfo(cfg->drvcfg.min_cfg)); bfa_mem_dma_setup(meminfo, diag_dma, bfa_diag_meminfo()); bfa_mem_dma_setup(meminfo, phy_dma, bfa_phy_meminfo(cfg->drvcfg.min_cfg)); bfa_mem_dma_setup(meminfo, fru_dma, bfa_fru_meminfo(cfg->drvcfg.min_cfg)); } /* * Use this function to do attach the driver instance with the BFA * library. This function will not trigger any HW initialization * process (which will be done in bfa_init() call) * * This call will fail, if the cap is out of range compared to * pre-defined values within the BFA library * * @param[out] bfa Pointer to bfa_t. * @param[in] bfad Opaque handle back to the driver's IOC structure * @param[in] cfg Pointer to bfa_ioc_cfg_t. Should be same structure * that was used in bfa_cfg_get_meminfo(). * @param[in] meminfo Pointer to bfa_meminfo_t. The driver should * use the bfa_cfg_get_meminfo() call to * find the memory blocks required, allocate the * required memory and provide the starting addresses. * @param[in] pcidev pointer to struct bfa_pcidev_s * * @return * void * * Special Considerations: * * @note * */ void bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev) { int i; struct bfa_mem_dma_s *dma_info, *dma_elem; struct bfa_mem_kva_s *kva_info, *kva_elem; struct list_head *dm_qe, *km_qe; bfa->fcs = BFA_FALSE; WARN_ON((cfg == NULL) || (meminfo == NULL)); /* Initialize memory pointers for iterative allocation */ dma_info = &meminfo->dma_info; dma_info->kva_curp = dma_info->kva; dma_info->dma_curp = dma_info->dma; kva_info = &meminfo->kva_info; kva_info->kva_curp = kva_info->kva; list_for_each(dm_qe, &dma_info->qe) { dma_elem = (struct bfa_mem_dma_s *) dm_qe; dma_elem->kva_curp = dma_elem->kva; dma_elem->dma_curp = dma_elem->dma; } list_for_each(km_qe, &kva_info->qe) { kva_elem = (struct bfa_mem_kva_s *) km_qe; kva_elem->kva_curp = kva_elem->kva; } bfa_iocfc_attach(bfa, bfad, cfg, pcidev); for (i = 0; hal_mods[i]; i++) hal_mods[i]->attach(bfa, bfad, cfg, pcidev); bfa_com_port_attach(bfa); bfa_com_ablk_attach(bfa); bfa_com_cee_attach(bfa); bfa_com_sfp_attach(bfa); bfa_com_flash_attach(bfa, cfg->drvcfg.min_cfg); bfa_com_diag_attach(bfa); bfa_com_phy_attach(bfa, cfg->drvcfg.min_cfg); bfa_com_fru_attach(bfa, cfg->drvcfg.min_cfg); } /* * Use this function to delete a BFA IOC. IOC should be stopped (by * calling bfa_stop()) before this function call. * * @param[in] bfa - pointer to bfa_t. * * @return * void * * Special Considerations: * * @note */ void bfa_detach(struct bfa_s *bfa) { int i; for (i = 0; hal_mods[i]; i++) hal_mods[i]->detach(bfa); bfa_ioc_detach(&bfa->ioc); } void bfa_comp_deq(struct bfa_s *bfa, struct list_head *comp_q) { INIT_LIST_HEAD(comp_q); list_splice_tail_init(&bfa->comp_q, comp_q); } void bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q) { struct list_head *qe; struct list_head *qen; struct bfa_cb_qe_s *hcb_qe; bfa_cb_cbfn_status_t cbfn; list_for_each_safe(qe, qen, comp_q) { hcb_qe = (struct bfa_cb_qe_s *) qe; if (hcb_qe->pre_rmv) { /* qe is invalid after return, dequeue before cbfn() */ list_del(qe); cbfn = (bfa_cb_cbfn_status_t)(hcb_qe->cbfn); cbfn(hcb_qe->cbarg, hcb_qe->fw_status); } else hcb_qe->cbfn(hcb_qe->cbarg, BFA_TRUE); } } void bfa_comp_free(struct bfa_s *bfa, struct list_head *comp_q) { struct list_head *qe; struct bfa_cb_qe_s *hcb_qe; while (!list_empty(comp_q)) { bfa_q_deq(comp_q, &qe); hcb_qe = (struct bfa_cb_qe_s *) qe; WARN_ON(hcb_qe->pre_rmv); hcb_qe->cbfn(hcb_qe->cbarg, BFA_FALSE); } } /* * Return the list of PCI vendor/device id lists supported by this * BFA instance. */ void bfa_get_pciids(struct bfa_pciid_s **pciids, int *npciids) { static struct bfa_pciid_s __pciids[] = { {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_FC_8G2P}, {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_FC_8G1P}, {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_CT}, {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_CT_FC}, }; *npciids = sizeof(__pciids) / sizeof(__pciids[0]); *pciids = __pciids; } /* * Use this function query the default struct bfa_iocfc_cfg_s value (compiled * into BFA layer). The OS driver can then turn back and overwrite entries that * have been configured by the user. * * @param[in] cfg - pointer to bfa_ioc_cfg_t * * @return * void * * Special Considerations: * note */ void bfa_cfg_get_default(struct bfa_iocfc_cfg_s *cfg) { cfg->fwcfg.num_fabrics = DEF_CFG_NUM_FABRICS; cfg->fwcfg.num_lports = DEF_CFG_NUM_LPORTS; cfg->fwcfg.num_rports = DEF_CFG_NUM_RPORTS; cfg->fwcfg.num_ioim_reqs = DEF_CFG_NUM_IOIM_REQS; cfg->fwcfg.num_tskim_reqs = DEF_CFG_NUM_TSKIM_REQS; cfg->fwcfg.num_fcxp_reqs = DEF_CFG_NUM_FCXP_REQS; cfg->fwcfg.num_uf_bufs = DEF_CFG_NUM_UF_BUFS; cfg->fwcfg.num_cqs = DEF_CFG_NUM_CQS; cfg->fwcfg.num_fwtio_reqs = 0; cfg->drvcfg.num_reqq_elems = DEF_CFG_NUM_REQQ_ELEMS; cfg->drvcfg.num_rspq_elems = DEF_CFG_NUM_RSPQ_ELEMS; cfg->drvcfg.num_sgpgs = DEF_CFG_NUM_SGPGS; cfg->drvcfg.num_sboot_tgts = DEF_CFG_NUM_SBOOT_TGTS; cfg->drvcfg.num_sboot_luns = DEF_CFG_NUM_SBOOT_LUNS; cfg->drvcfg.path_tov = BFA_FCPIM_PATHTOV_DEF; cfg->drvcfg.ioc_recover = BFA_FALSE; cfg->drvcfg.delay_comp = BFA_FALSE; } void bfa_cfg_get_min(struct bfa_iocfc_cfg_s *cfg) { bfa_cfg_get_default(cfg); cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MIN; cfg->fwcfg.num_tskim_reqs = BFA_TSKIM_MIN; cfg->fwcfg.num_fcxp_reqs = BFA_FCXP_MIN; cfg->fwcfg.num_uf_bufs = BFA_UF_MIN; cfg->fwcfg.num_rports = BFA_RPORT_MIN; cfg->fwcfg.num_fwtio_reqs = 0; cfg->drvcfg.num_sgpgs = BFA_SGPG_MIN; cfg->drvcfg.num_reqq_elems = BFA_REQQ_NELEMS_MIN; cfg->drvcfg.num_rspq_elems = BFA_RSPQ_NELEMS_MIN; cfg->drvcfg.min_cfg = BFA_TRUE; }