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- /*
- * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
- * Copyright (c) 2014- QLogic Corporation.
- * All rights reserved
- * www.qlogic.com
- *
- * Linux driver for QLogic BR-series 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,
- };
- void
- __bfa_trc(struct bfa_trc_mod_s *trcm, int fileno, int line, u64 data)
- {
- int tail = trcm->tail;
- struct bfa_trc_s *trc = &trcm->trc[tail];
- if (trcm->stopped)
- return;
- trc->fileno = (u16) fileno;
- trc->line = (u16) line;
- trc->data.u64 = data;
- trc->timestamp = BFA_TRC_TS(trcm);
- trcm->tail = (trcm->tail + 1) & (BFA_TRC_MAX - 1);
- if (trcm->tail == trcm->head)
- trcm->head = (trcm->head + 1) & (BFA_TRC_MAX - 1);
- }
- 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;
- 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.faa_attr = attr;
- iocfc->faa_args.faa_cb.faa_cbfn = cbfn;
- iocfc->faa_args.faa_cb.faa_cbarg = cbarg;
- 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->queue_process = BFA_FALSE;
- 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_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_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;
- }
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