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1d32f76962
Change Details: - Made IOC auto_recovery synchronized and not timer based. - Only one PCI function will attempt to recover and reinitialize the ASIC on a failure, that too after all the active PCI functions acknowledge the IOC failure. Signed-off-by: Debashis Dutt <ddutt@brocade.com> Signed-off-by: Rasesh Mody <rmody@brocade.com> Signed-off-by: David S. Miller <davem@davemloft.net>
292 lines
8.4 KiB
C
292 lines
8.4 KiB
C
/*
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* Linux network driver for Brocade Converged Network 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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/*
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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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#ifndef __BFA_IOC_H__
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#define __BFA_IOC_H__
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#include "bfa_sm.h"
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#include "bfi.h"
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#include "cna.h"
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#define BFA_IOC_TOV 3000 /* msecs */
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#define BFA_IOC_HWSEM_TOV 500 /* msecs */
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#define BFA_IOC_HB_TOV 500 /* msecs */
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#define BFA_IOC_HWINIT_MAX 5
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/**
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* PCI device information required by IOC
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*/
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struct bfa_pcidev {
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int pci_slot;
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u8 pci_func;
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u16 device_id;
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void __iomem *pci_bar_kva;
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};
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/**
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* Structure used to remember the DMA-able memory block's KVA and Physical
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* Address
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*/
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struct bfa_dma {
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void *kva; /* ! Kernel virtual address */
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u64 pa; /* ! Physical address */
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};
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#define BFA_DMA_ALIGN_SZ 256
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/**
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* smem size for Crossbow and Catapult
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*/
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#define BFI_SMEM_CB_SIZE 0x200000U /* ! 2MB for crossbow */
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#define BFI_SMEM_CT_SIZE 0x280000U /* ! 2.5MB for catapult */
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/**
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* @brief BFA dma address assignment macro. (big endian format)
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*/
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#define bfa_dma_be_addr_set(dma_addr, pa) \
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__bfa_dma_be_addr_set(&dma_addr, (u64)pa)
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static inline void
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__bfa_dma_be_addr_set(union bfi_addr_u *dma_addr, u64 pa)
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{
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dma_addr->a32.addr_lo = (u32) htonl(pa);
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dma_addr->a32.addr_hi = (u32) htonl(upper_32_bits(pa));
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}
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struct bfa_ioc_regs {
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void __iomem *hfn_mbox_cmd;
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void __iomem *hfn_mbox;
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void __iomem *lpu_mbox_cmd;
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void __iomem *lpu_mbox;
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void __iomem *pss_ctl_reg;
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void __iomem *pss_err_status_reg;
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void __iomem *app_pll_fast_ctl_reg;
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void __iomem *app_pll_slow_ctl_reg;
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void __iomem *ioc_sem_reg;
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void __iomem *ioc_usage_sem_reg;
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void __iomem *ioc_init_sem_reg;
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void __iomem *ioc_usage_reg;
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void __iomem *host_page_num_fn;
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void __iomem *heartbeat;
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void __iomem *ioc_fwstate;
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void __iomem *alt_ioc_fwstate;
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void __iomem *ll_halt;
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void __iomem *alt_ll_halt;
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void __iomem *err_set;
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void __iomem *ioc_fail_sync;
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void __iomem *shirq_isr_next;
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void __iomem *shirq_msk_next;
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void __iomem *smem_page_start;
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u32 smem_pg0;
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};
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/**
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* IOC Mailbox structures
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*/
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struct bfa_mbox_cmd {
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struct list_head qe;
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u32 msg[BFI_IOC_MSGSZ];
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};
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/**
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* IOC mailbox module
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*/
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typedef void (*bfa_ioc_mbox_mcfunc_t)(void *cbarg, struct bfi_mbmsg *m);
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struct bfa_ioc_mbox_mod {
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struct list_head cmd_q; /*!< pending mbox queue */
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int nmclass; /*!< number of handlers */
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struct {
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bfa_ioc_mbox_mcfunc_t cbfn; /*!< message handlers */
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void *cbarg;
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} mbhdlr[BFI_MC_MAX];
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};
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/**
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* IOC callback function interfaces
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*/
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typedef void (*bfa_ioc_enable_cbfn_t)(void *bfa, enum bfa_status status);
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typedef void (*bfa_ioc_disable_cbfn_t)(void *bfa);
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typedef void (*bfa_ioc_hbfail_cbfn_t)(void *bfa);
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typedef void (*bfa_ioc_reset_cbfn_t)(void *bfa);
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struct bfa_ioc_cbfn {
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bfa_ioc_enable_cbfn_t enable_cbfn;
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bfa_ioc_disable_cbfn_t disable_cbfn;
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bfa_ioc_hbfail_cbfn_t hbfail_cbfn;
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bfa_ioc_reset_cbfn_t reset_cbfn;
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};
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/**
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* Heartbeat failure notification queue element.
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*/
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struct bfa_ioc_hbfail_notify {
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struct list_head qe;
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bfa_ioc_hbfail_cbfn_t cbfn;
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void *cbarg;
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};
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/**
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* Initialize a heartbeat failure notification structure
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*/
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#define bfa_ioc_hbfail_init(__notify, __cbfn, __cbarg) do { \
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(__notify)->cbfn = (__cbfn); \
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(__notify)->cbarg = (__cbarg); \
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} while (0)
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struct bfa_iocpf {
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bfa_fsm_t fsm;
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struct bfa_ioc *ioc;
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u32 retry_count;
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bool auto_recover;
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};
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struct bfa_ioc {
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bfa_fsm_t fsm;
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struct bfa *bfa;
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struct bfa_pcidev pcidev;
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struct timer_list ioc_timer;
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struct timer_list iocpf_timer;
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struct timer_list sem_timer;
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struct timer_list hb_timer;
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u32 hb_count;
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struct list_head hb_notify_q;
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void *dbg_fwsave;
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int dbg_fwsave_len;
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bool dbg_fwsave_once;
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enum bfi_mclass ioc_mc;
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struct bfa_ioc_regs ioc_regs;
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struct bfa_ioc_drv_stats stats;
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bool fcmode;
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bool ctdev;
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bool cna;
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bool pllinit;
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bool stats_busy; /*!< outstanding stats */
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u8 port_id;
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struct bfa_dma attr_dma;
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struct bfi_ioc_attr *attr;
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struct bfa_ioc_cbfn *cbfn;
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struct bfa_ioc_mbox_mod mbox_mod;
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struct bfa_ioc_hwif *ioc_hwif;
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struct bfa_iocpf iocpf;
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};
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struct bfa_ioc_hwif {
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enum bfa_status (*ioc_pll_init) (void __iomem *rb, bool fcmode);
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bool (*ioc_firmware_lock) (struct bfa_ioc *ioc);
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void (*ioc_firmware_unlock) (struct bfa_ioc *ioc);
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void (*ioc_reg_init) (struct bfa_ioc *ioc);
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void (*ioc_map_port) (struct bfa_ioc *ioc);
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void (*ioc_isr_mode_set) (struct bfa_ioc *ioc,
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bool msix);
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void (*ioc_notify_fail) (struct bfa_ioc *ioc);
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void (*ioc_ownership_reset) (struct bfa_ioc *ioc);
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void (*ioc_sync_join) (struct bfa_ioc *ioc);
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void (*ioc_sync_leave) (struct bfa_ioc *ioc);
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void (*ioc_sync_ack) (struct bfa_ioc *ioc);
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bool (*ioc_sync_complete) (struct bfa_ioc *ioc);
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};
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#define bfa_ioc_pcifn(__ioc) ((__ioc)->pcidev.pci_func)
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#define bfa_ioc_devid(__ioc) ((__ioc)->pcidev.device_id)
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#define bfa_ioc_bar0(__ioc) ((__ioc)->pcidev.pci_bar_kva)
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#define bfa_ioc_portid(__ioc) ((__ioc)->port_id)
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#define bfa_ioc_fetch_stats(__ioc, __stats) \
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(((__stats)->drv_stats) = (__ioc)->stats)
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#define bfa_ioc_clr_stats(__ioc) \
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memset(&(__ioc)->stats, 0, sizeof((__ioc)->stats))
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#define bfa_ioc_maxfrsize(__ioc) ((__ioc)->attr->maxfrsize)
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#define bfa_ioc_rx_bbcredit(__ioc) ((__ioc)->attr->rx_bbcredit)
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#define bfa_ioc_speed_sup(__ioc) \
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BFI_ADAPTER_GETP(SPEED, (__ioc)->attr->adapter_prop)
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#define bfa_ioc_get_nports(__ioc) \
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BFI_ADAPTER_GETP(NPORTS, (__ioc)->attr->adapter_prop)
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#define bfa_ioc_stats(_ioc, _stats) ((_ioc)->stats._stats++)
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#define BFA_IOC_FWIMG_MINSZ (16 * 1024)
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#define BFA_IOC_FWIMG_TYPE(__ioc) \
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(((__ioc)->ctdev) ? \
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(((__ioc)->fcmode) ? BFI_IMAGE_CT_FC : BFI_IMAGE_CT_CNA) : \
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BFI_IMAGE_CB_FC)
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#define BFA_IOC_FW_SMEM_SIZE(__ioc) \
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(((__ioc)->ctdev) ? BFI_SMEM_CT_SIZE : BFI_SMEM_CB_SIZE)
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#define BFA_IOC_FLASH_CHUNK_NO(off) (off / BFI_FLASH_CHUNK_SZ_WORDS)
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#define BFA_IOC_FLASH_OFFSET_IN_CHUNK(off) (off % BFI_FLASH_CHUNK_SZ_WORDS)
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#define BFA_IOC_FLASH_CHUNK_ADDR(chunkno) (chunkno * BFI_FLASH_CHUNK_SZ_WORDS)
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/**
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* IOC mailbox interface
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*/
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void bfa_nw_ioc_mbox_queue(struct bfa_ioc *ioc, struct bfa_mbox_cmd *cmd);
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void bfa_nw_ioc_mbox_isr(struct bfa_ioc *ioc);
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void bfa_nw_ioc_mbox_regisr(struct bfa_ioc *ioc, enum bfi_mclass mc,
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bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg);
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/**
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* IOC interfaces
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*/
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#define bfa_ioc_pll_init_asic(__ioc) \
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((__ioc)->ioc_hwif->ioc_pll_init((__ioc)->pcidev.pci_bar_kva, \
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(__ioc)->fcmode))
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#define bfa_ioc_isr_mode_set(__ioc, __msix) \
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((__ioc)->ioc_hwif->ioc_isr_mode_set(__ioc, __msix))
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#define bfa_ioc_ownership_reset(__ioc) \
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((__ioc)->ioc_hwif->ioc_ownership_reset(__ioc))
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void bfa_nw_ioc_set_ct_hwif(struct bfa_ioc *ioc);
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void bfa_nw_ioc_attach(struct bfa_ioc *ioc, void *bfa,
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struct bfa_ioc_cbfn *cbfn);
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void bfa_nw_ioc_auto_recover(bool auto_recover);
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void bfa_nw_ioc_detach(struct bfa_ioc *ioc);
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void bfa_nw_ioc_pci_init(struct bfa_ioc *ioc, struct bfa_pcidev *pcidev,
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enum bfi_mclass mc);
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u32 bfa_nw_ioc_meminfo(void);
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void bfa_nw_ioc_mem_claim(struct bfa_ioc *ioc, u8 *dm_kva, u64 dm_pa);
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void bfa_nw_ioc_enable(struct bfa_ioc *ioc);
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void bfa_nw_ioc_disable(struct bfa_ioc *ioc);
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void bfa_nw_ioc_error_isr(struct bfa_ioc *ioc);
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void bfa_nw_ioc_get_attr(struct bfa_ioc *ioc, struct bfa_ioc_attr *ioc_attr);
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void bfa_nw_ioc_hbfail_register(struct bfa_ioc *ioc,
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struct bfa_ioc_hbfail_notify *notify);
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bool bfa_nw_ioc_sem_get(void __iomem *sem_reg);
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void bfa_nw_ioc_sem_release(void __iomem *sem_reg);
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void bfa_nw_ioc_hw_sem_release(struct bfa_ioc *ioc);
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void bfa_nw_ioc_fwver_get(struct bfa_ioc *ioc,
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struct bfi_ioc_image_hdr *fwhdr);
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bool bfa_nw_ioc_fwver_cmp(struct bfa_ioc *ioc,
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struct bfi_ioc_image_hdr *fwhdr);
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mac_t bfa_nw_ioc_get_mac(struct bfa_ioc *ioc);
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/*
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* Timeout APIs
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*/
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void bfa_nw_ioc_timeout(void *ioc);
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void bfa_nw_ioc_hb_check(void *ioc);
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void bfa_nw_iocpf_timeout(void *ioc);
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void bfa_nw_iocpf_sem_timeout(void *ioc);
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/*
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* F/W Image Size & Chunk
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*/
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u32 *bfa_cb_image_get_chunk(int type, u32 off);
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u32 bfa_cb_image_get_size(int type);
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#endif /* __BFA_IOC_H__ */
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