| /* |
| * 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); |
| } |
| |
| /* |
| * 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_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_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_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; |
| 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_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_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; |
| 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 pci_func = bfa_ioc_pcifn(&bfa->ioc); |
| |
| bfa_trc(bfa, pci_func); |
| |
| bfa_msix_ctrl_install(bfa); |
| |
| if (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)) { |
| umsk = __HFN_INT_ERR_MASK_CT2; |
| umsk |= pci_func == 0 ? |
| __HFN_INT_FN0_MASK_CT2 : __HFN_INT_FN1_MASK_CT2; |
| } else { |
| umsk = __HFN_INT_ERR_MASK; |
| umsk |= pci_func == 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(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) |
| { |
| 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, 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); |
| |
| 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)); |
| } |
| |
| /* |
| * 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); |
| } |
| |
| /* |
| * 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; |
| } |