![Vijaya Mohan Guvva](/assets/img/avatar_default.png)
This patch set fixes the issue of brocade management utility hang (bcu/HCM) when faa attributes are queried from multiple application threads. Hang was due to race between the threads and completion handler corruption. Signed-off-by: Vijaya Mohan Guvva <vmohan@brocade.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2001 lines
50 KiB
C
2001 lines
50 KiB
C
/*
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* Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
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* All rights reserved
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* www.brocade.com
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*
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* Linux driver for Brocade Fibre Channel Host Bus Adapter.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License (GPL) Version 2 as
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* published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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#include "bfad_drv.h"
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#include "bfa_modules.h"
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#include "bfi_reg.h"
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BFA_TRC_FILE(HAL, CORE);
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/*
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* BFA module list terminated by NULL
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*/
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static struct bfa_module_s *hal_mods[] = {
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&hal_mod_fcdiag,
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&hal_mod_sgpg,
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&hal_mod_fcport,
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&hal_mod_fcxp,
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&hal_mod_lps,
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&hal_mod_uf,
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&hal_mod_rport,
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&hal_mod_fcp,
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&hal_mod_dconf,
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NULL
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};
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/*
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* Message handlers for various modules.
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*/
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static bfa_isr_func_t bfa_isrs[BFI_MC_MAX] = {
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bfa_isr_unhandled, /* NONE */
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bfa_isr_unhandled, /* BFI_MC_IOC */
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bfa_fcdiag_intr, /* BFI_MC_DIAG */
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bfa_isr_unhandled, /* BFI_MC_FLASH */
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bfa_isr_unhandled, /* BFI_MC_CEE */
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bfa_fcport_isr, /* BFI_MC_FCPORT */
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bfa_isr_unhandled, /* BFI_MC_IOCFC */
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bfa_isr_unhandled, /* BFI_MC_LL */
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bfa_uf_isr, /* BFI_MC_UF */
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bfa_fcxp_isr, /* BFI_MC_FCXP */
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bfa_lps_isr, /* BFI_MC_LPS */
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bfa_rport_isr, /* BFI_MC_RPORT */
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bfa_itn_isr, /* BFI_MC_ITN */
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bfa_isr_unhandled, /* BFI_MC_IOIM_READ */
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bfa_isr_unhandled, /* BFI_MC_IOIM_WRITE */
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bfa_isr_unhandled, /* BFI_MC_IOIM_IO */
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bfa_ioim_isr, /* BFI_MC_IOIM */
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bfa_ioim_good_comp_isr, /* BFI_MC_IOIM_IOCOM */
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bfa_tskim_isr, /* BFI_MC_TSKIM */
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bfa_isr_unhandled, /* BFI_MC_SBOOT */
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bfa_isr_unhandled, /* BFI_MC_IPFC */
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bfa_isr_unhandled, /* BFI_MC_PORT */
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bfa_isr_unhandled, /* --------- */
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bfa_isr_unhandled, /* --------- */
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bfa_isr_unhandled, /* --------- */
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bfa_isr_unhandled, /* --------- */
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bfa_isr_unhandled, /* --------- */
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bfa_isr_unhandled, /* --------- */
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bfa_isr_unhandled, /* --------- */
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bfa_isr_unhandled, /* --------- */
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bfa_isr_unhandled, /* --------- */
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bfa_isr_unhandled, /* --------- */
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};
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/*
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* Message handlers for mailbox command classes
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*/
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static bfa_ioc_mbox_mcfunc_t bfa_mbox_isrs[BFI_MC_MAX] = {
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NULL,
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NULL, /* BFI_MC_IOC */
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NULL, /* BFI_MC_DIAG */
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NULL, /* BFI_MC_FLASH */
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NULL, /* BFI_MC_CEE */
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NULL, /* BFI_MC_PORT */
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bfa_iocfc_isr, /* BFI_MC_IOCFC */
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NULL,
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};
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static void
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bfa_com_port_attach(struct bfa_s *bfa)
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{
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struct bfa_port_s *port = &bfa->modules.port;
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struct bfa_mem_dma_s *port_dma = BFA_MEM_PORT_DMA(bfa);
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bfa_port_attach(port, &bfa->ioc, bfa, bfa->trcmod);
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bfa_port_mem_claim(port, port_dma->kva_curp, port_dma->dma_curp);
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}
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/*
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* ablk module attach
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*/
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static void
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bfa_com_ablk_attach(struct bfa_s *bfa)
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{
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struct bfa_ablk_s *ablk = &bfa->modules.ablk;
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struct bfa_mem_dma_s *ablk_dma = BFA_MEM_ABLK_DMA(bfa);
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bfa_ablk_attach(ablk, &bfa->ioc);
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bfa_ablk_memclaim(ablk, ablk_dma->kva_curp, ablk_dma->dma_curp);
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}
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static void
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bfa_com_cee_attach(struct bfa_s *bfa)
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{
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struct bfa_cee_s *cee = &bfa->modules.cee;
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struct bfa_mem_dma_s *cee_dma = BFA_MEM_CEE_DMA(bfa);
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cee->trcmod = bfa->trcmod;
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bfa_cee_attach(cee, &bfa->ioc, bfa);
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bfa_cee_mem_claim(cee, cee_dma->kva_curp, cee_dma->dma_curp);
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}
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static void
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bfa_com_sfp_attach(struct bfa_s *bfa)
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{
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struct bfa_sfp_s *sfp = BFA_SFP_MOD(bfa);
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struct bfa_mem_dma_s *sfp_dma = BFA_MEM_SFP_DMA(bfa);
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bfa_sfp_attach(sfp, &bfa->ioc, bfa, bfa->trcmod);
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bfa_sfp_memclaim(sfp, sfp_dma->kva_curp, sfp_dma->dma_curp);
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}
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static void
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bfa_com_flash_attach(struct bfa_s *bfa, bfa_boolean_t mincfg)
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{
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struct bfa_flash_s *flash = BFA_FLASH(bfa);
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struct bfa_mem_dma_s *flash_dma = BFA_MEM_FLASH_DMA(bfa);
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bfa_flash_attach(flash, &bfa->ioc, bfa, bfa->trcmod, mincfg);
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bfa_flash_memclaim(flash, flash_dma->kva_curp,
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flash_dma->dma_curp, mincfg);
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}
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static void
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bfa_com_diag_attach(struct bfa_s *bfa)
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{
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struct bfa_diag_s *diag = BFA_DIAG_MOD(bfa);
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struct bfa_mem_dma_s *diag_dma = BFA_MEM_DIAG_DMA(bfa);
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bfa_diag_attach(diag, &bfa->ioc, bfa, bfa_fcport_beacon, bfa->trcmod);
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bfa_diag_memclaim(diag, diag_dma->kva_curp, diag_dma->dma_curp);
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}
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static void
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bfa_com_phy_attach(struct bfa_s *bfa, bfa_boolean_t mincfg)
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{
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struct bfa_phy_s *phy = BFA_PHY(bfa);
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struct bfa_mem_dma_s *phy_dma = BFA_MEM_PHY_DMA(bfa);
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bfa_phy_attach(phy, &bfa->ioc, bfa, bfa->trcmod, mincfg);
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bfa_phy_memclaim(phy, phy_dma->kva_curp, phy_dma->dma_curp, mincfg);
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}
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static void
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bfa_com_fru_attach(struct bfa_s *bfa, bfa_boolean_t mincfg)
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{
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struct bfa_fru_s *fru = BFA_FRU(bfa);
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struct bfa_mem_dma_s *fru_dma = BFA_MEM_FRU_DMA(bfa);
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bfa_fru_attach(fru, &bfa->ioc, bfa, bfa->trcmod, mincfg);
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bfa_fru_memclaim(fru, fru_dma->kva_curp, fru_dma->dma_curp, mincfg);
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}
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/*
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* BFA IOC FC related definitions
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*/
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/*
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* IOC local definitions
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*/
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#define BFA_IOCFC_TOV 5000 /* msecs */
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enum {
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BFA_IOCFC_ACT_NONE = 0,
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BFA_IOCFC_ACT_INIT = 1,
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BFA_IOCFC_ACT_STOP = 2,
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BFA_IOCFC_ACT_DISABLE = 3,
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BFA_IOCFC_ACT_ENABLE = 4,
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};
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#define DEF_CFG_NUM_FABRICS 1
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#define DEF_CFG_NUM_LPORTS 256
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#define DEF_CFG_NUM_CQS 4
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#define DEF_CFG_NUM_IOIM_REQS (BFA_IOIM_MAX)
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#define DEF_CFG_NUM_TSKIM_REQS 128
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#define DEF_CFG_NUM_FCXP_REQS 64
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#define DEF_CFG_NUM_UF_BUFS 64
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#define DEF_CFG_NUM_RPORTS 1024
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#define DEF_CFG_NUM_ITNIMS (DEF_CFG_NUM_RPORTS)
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#define DEF_CFG_NUM_TINS 256
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#define DEF_CFG_NUM_SGPGS 2048
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#define DEF_CFG_NUM_REQQ_ELEMS 256
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#define DEF_CFG_NUM_RSPQ_ELEMS 64
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#define DEF_CFG_NUM_SBOOT_TGTS 16
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#define DEF_CFG_NUM_SBOOT_LUNS 16
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/*
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* IOCFC state machine definitions/declarations
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*/
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bfa_fsm_state_decl(bfa_iocfc, stopped, struct bfa_iocfc_s, enum iocfc_event);
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bfa_fsm_state_decl(bfa_iocfc, initing, struct bfa_iocfc_s, enum iocfc_event);
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bfa_fsm_state_decl(bfa_iocfc, dconf_read, struct bfa_iocfc_s, enum iocfc_event);
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bfa_fsm_state_decl(bfa_iocfc, init_cfg_wait,
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struct bfa_iocfc_s, enum iocfc_event);
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bfa_fsm_state_decl(bfa_iocfc, init_cfg_done,
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struct bfa_iocfc_s, enum iocfc_event);
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bfa_fsm_state_decl(bfa_iocfc, operational,
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struct bfa_iocfc_s, enum iocfc_event);
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bfa_fsm_state_decl(bfa_iocfc, dconf_write,
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struct bfa_iocfc_s, enum iocfc_event);
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bfa_fsm_state_decl(bfa_iocfc, stopping, struct bfa_iocfc_s, enum iocfc_event);
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bfa_fsm_state_decl(bfa_iocfc, enabling, struct bfa_iocfc_s, enum iocfc_event);
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bfa_fsm_state_decl(bfa_iocfc, cfg_wait, struct bfa_iocfc_s, enum iocfc_event);
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bfa_fsm_state_decl(bfa_iocfc, disabling, struct bfa_iocfc_s, enum iocfc_event);
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bfa_fsm_state_decl(bfa_iocfc, disabled, struct bfa_iocfc_s, enum iocfc_event);
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bfa_fsm_state_decl(bfa_iocfc, failed, struct bfa_iocfc_s, enum iocfc_event);
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bfa_fsm_state_decl(bfa_iocfc, init_failed,
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struct bfa_iocfc_s, enum iocfc_event);
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/*
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* forward declaration for IOC FC functions
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*/
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static void bfa_iocfc_start_submod(struct bfa_s *bfa);
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static void bfa_iocfc_disable_submod(struct bfa_s *bfa);
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static void bfa_iocfc_send_cfg(void *bfa_arg);
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static void bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status);
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static void bfa_iocfc_disable_cbfn(void *bfa_arg);
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static void bfa_iocfc_hbfail_cbfn(void *bfa_arg);
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static void bfa_iocfc_reset_cbfn(void *bfa_arg);
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static struct bfa_ioc_cbfn_s bfa_iocfc_cbfn;
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static void bfa_iocfc_init_cb(void *bfa_arg, bfa_boolean_t complete);
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static void bfa_iocfc_stop_cb(void *bfa_arg, bfa_boolean_t compl);
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static void bfa_iocfc_enable_cb(void *bfa_arg, bfa_boolean_t compl);
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static void bfa_iocfc_disable_cb(void *bfa_arg, bfa_boolean_t compl);
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static void
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bfa_iocfc_sm_stopped_entry(struct bfa_iocfc_s *iocfc)
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{
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}
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static void
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bfa_iocfc_sm_stopped(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
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{
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bfa_trc(iocfc->bfa, event);
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switch (event) {
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case IOCFC_E_INIT:
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case IOCFC_E_ENABLE:
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bfa_fsm_set_state(iocfc, bfa_iocfc_sm_initing);
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break;
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default:
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bfa_sm_fault(iocfc->bfa, event);
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break;
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}
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}
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static void
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bfa_iocfc_sm_initing_entry(struct bfa_iocfc_s *iocfc)
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{
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bfa_ioc_enable(&iocfc->bfa->ioc);
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}
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static void
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bfa_iocfc_sm_initing(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
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{
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bfa_trc(iocfc->bfa, event);
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switch (event) {
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case IOCFC_E_IOC_ENABLED:
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bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_read);
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break;
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case IOCFC_E_DISABLE:
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bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
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break;
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case IOCFC_E_STOP:
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bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
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break;
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case IOCFC_E_IOC_FAILED:
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bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed);
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break;
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default:
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bfa_sm_fault(iocfc->bfa, event);
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break;
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}
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}
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static void
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bfa_iocfc_sm_dconf_read_entry(struct bfa_iocfc_s *iocfc)
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{
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bfa_dconf_modinit(iocfc->bfa);
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}
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static void
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bfa_iocfc_sm_dconf_read(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
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{
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bfa_trc(iocfc->bfa, event);
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switch (event) {
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case IOCFC_E_DCONF_DONE:
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bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_cfg_wait);
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break;
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case IOCFC_E_DISABLE:
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bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
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break;
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case IOCFC_E_STOP:
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bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
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break;
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case IOCFC_E_IOC_FAILED:
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bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed);
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break;
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default:
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bfa_sm_fault(iocfc->bfa, event);
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break;
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}
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}
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static void
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bfa_iocfc_sm_init_cfg_wait_entry(struct bfa_iocfc_s *iocfc)
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{
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bfa_iocfc_send_cfg(iocfc->bfa);
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}
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static void
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bfa_iocfc_sm_init_cfg_wait(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
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{
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bfa_trc(iocfc->bfa, event);
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switch (event) {
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case IOCFC_E_CFG_DONE:
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bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_cfg_done);
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break;
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case IOCFC_E_DISABLE:
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bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
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break;
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case IOCFC_E_STOP:
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bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
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break;
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case IOCFC_E_IOC_FAILED:
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bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed);
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break;
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default:
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bfa_sm_fault(iocfc->bfa, event);
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break;
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}
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}
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static void
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bfa_iocfc_sm_init_cfg_done_entry(struct bfa_iocfc_s *iocfc)
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{
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iocfc->bfa->iocfc.op_status = BFA_STATUS_OK;
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bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.init_hcb_qe,
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bfa_iocfc_init_cb, iocfc->bfa);
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}
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static void
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bfa_iocfc_sm_init_cfg_done(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
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{
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bfa_trc(iocfc->bfa, event);
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switch (event) {
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case IOCFC_E_START:
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bfa_fsm_set_state(iocfc, bfa_iocfc_sm_operational);
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break;
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case IOCFC_E_STOP:
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bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
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break;
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case IOCFC_E_DISABLE:
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bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
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break;
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case IOCFC_E_IOC_FAILED:
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bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed);
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break;
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default:
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bfa_sm_fault(iocfc->bfa, event);
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break;
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}
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}
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static void
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bfa_iocfc_sm_operational_entry(struct bfa_iocfc_s *iocfc)
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{
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bfa_fcport_init(iocfc->bfa);
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bfa_iocfc_start_submod(iocfc->bfa);
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}
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static void
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bfa_iocfc_sm_operational(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
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{
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bfa_trc(iocfc->bfa, event);
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switch (event) {
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case IOCFC_E_STOP:
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bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write);
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break;
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case IOCFC_E_DISABLE:
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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;
|
|
}
|