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gfiber / kernel / prism / eb337a3e45e3427d54459adefc4d5d665ad7de87 / . / drivers / scsi / bfa / bfa_ioc.c
blob: 149348934ce36afdc0a4bfec9a374d88b74349c7 [file] [log] [blame]
/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <bfa.h>
#include <bfa_ioc.h>
#include <bfa_fwimg_priv.h>
#include <bfa_trcmod_priv.h>
#include <cs/bfa_debug.h>
#include <bfi/bfi_ioc.h>
#include <bfi/bfi_ctreg.h>
#include <aen/bfa_aen_ioc.h>
#include <aen/bfa_aen.h>
#include <log/bfa_log_hal.h>
#include <defs/bfa_defs_pci.h>
BFA_TRC_FILE(HAL, IOC);
/**
* IOC local definitions
*/
#define BFA_IOC_TOV 2000 /* msecs */
#define BFA_IOC_HB_TOV 1000 /* msecs */
#define BFA_IOC_HB_FAIL_MAX 4
#define BFA_IOC_HWINIT_MAX 2
#define BFA_IOC_FWIMG_MINSZ (16 * 1024)
#define BFA_IOC_TOV_RECOVER (BFA_IOC_HB_FAIL_MAX * BFA_IOC_HB_TOV \
+ BFA_IOC_TOV)
#define bfa_ioc_timer_start(__ioc) \
bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->ioc_timer, \
bfa_ioc_timeout, (__ioc), BFA_IOC_TOV)
#define bfa_ioc_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->ioc_timer)
#define BFA_DBG_FWTRC_ENTS (BFI_IOC_TRC_ENTS)
#define BFA_DBG_FWTRC_LEN \
(BFA_DBG_FWTRC_ENTS * sizeof(struct bfa_trc_s) + \
(sizeof(struct bfa_trc_mod_s) - \
BFA_TRC_MAX * sizeof(struct bfa_trc_s)))
#define BFA_DBG_FWTRC_OFF(_fn) (BFI_IOC_TRC_OFF + BFA_DBG_FWTRC_LEN * (_fn))
#define bfa_ioc_stats(_ioc, _stats) (_ioc)->stats._stats ++
#define BFA_FLASH_CHUNK_NO(off) (off / BFI_FLASH_CHUNK_SZ_WORDS)
#define BFA_FLASH_OFFSET_IN_CHUNK(off) (off % BFI_FLASH_CHUNK_SZ_WORDS)
#define BFA_FLASH_CHUNK_ADDR(chunkno) (chunkno * BFI_FLASH_CHUNK_SZ_WORDS)
bfa_boolean_t bfa_auto_recover = BFA_FALSE;
/*
* forward declarations
*/
static void bfa_ioc_aen_post(struct bfa_ioc_s *bfa,
enum bfa_ioc_aen_event event);
static void bfa_ioc_hw_sem_get(struct bfa_ioc_s *ioc);
static void bfa_ioc_hw_sem_release(struct bfa_ioc_s *ioc);
static void bfa_ioc_hw_sem_get_cancel(struct bfa_ioc_s *ioc);
static void bfa_ioc_hwinit(struct bfa_ioc_s *ioc, bfa_boolean_t force);
static void bfa_ioc_timeout(void *ioc);
static void bfa_ioc_send_enable(struct bfa_ioc_s *ioc);
static void bfa_ioc_send_disable(struct bfa_ioc_s *ioc);
static void bfa_ioc_send_getattr(struct bfa_ioc_s *ioc);
static void bfa_ioc_hb_monitor(struct bfa_ioc_s *ioc);
static void bfa_ioc_hb_stop(struct bfa_ioc_s *ioc);
static void bfa_ioc_reset(struct bfa_ioc_s *ioc, bfa_boolean_t force);
static void bfa_ioc_mbox_poll(struct bfa_ioc_s *ioc);
static void bfa_ioc_mbox_hbfail(struct bfa_ioc_s *ioc);
static void bfa_ioc_recover(struct bfa_ioc_s *ioc);
static bfa_boolean_t bfa_ioc_firmware_lock(struct bfa_ioc_s *ioc);
static void bfa_ioc_firmware_unlock(struct bfa_ioc_s *ioc);
static void bfa_ioc_disable_comp(struct bfa_ioc_s *ioc);
static void bfa_ioc_lpu_stop(struct bfa_ioc_s *ioc);
/**
* bfa_ioc_sm
*/
/**
* IOC state machine events
*/
enum ioc_event {
IOC_E_ENABLE = 1, /* IOC enable request */
IOC_E_DISABLE = 2, /* IOC disable request */
IOC_E_TIMEOUT = 3, /* f/w response timeout */
IOC_E_FWREADY = 4, /* f/w initialization done */
IOC_E_FWRSP_GETATTR = 5, /* IOC get attribute response */
IOC_E_FWRSP_ENABLE = 6, /* enable f/w response */
IOC_E_FWRSP_DISABLE = 7, /* disable f/w response */
IOC_E_HBFAIL = 8, /* heartbeat failure */
IOC_E_HWERROR = 9, /* hardware error interrupt */
IOC_E_SEMLOCKED = 10, /* h/w semaphore is locked */
IOC_E_DETACH = 11, /* driver detach cleanup */
};
bfa_fsm_state_decl(bfa_ioc, reset, struct bfa_ioc_s, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, fwcheck, struct bfa_ioc_s, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, mismatch, struct bfa_ioc_s, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, semwait, struct bfa_ioc_s, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, hwinit, struct bfa_ioc_s, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, enabling, struct bfa_ioc_s, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, getattr, struct bfa_ioc_s, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, op, struct bfa_ioc_s, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, initfail, struct bfa_ioc_s, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, hbfail, struct bfa_ioc_s, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, disabling, struct bfa_ioc_s, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, disabled, struct bfa_ioc_s, enum ioc_event);
static struct bfa_sm_table_s ioc_sm_table[] = {
{BFA_SM(bfa_ioc_sm_reset), BFA_IOC_RESET},
{BFA_SM(bfa_ioc_sm_fwcheck), BFA_IOC_FWMISMATCH},
{BFA_SM(bfa_ioc_sm_mismatch), BFA_IOC_FWMISMATCH},
{BFA_SM(bfa_ioc_sm_semwait), BFA_IOC_SEMWAIT},
{BFA_SM(bfa_ioc_sm_hwinit), BFA_IOC_HWINIT},
{BFA_SM(bfa_ioc_sm_enabling), BFA_IOC_HWINIT},
{BFA_SM(bfa_ioc_sm_getattr), BFA_IOC_GETATTR},
{BFA_SM(bfa_ioc_sm_op), BFA_IOC_OPERATIONAL},
{BFA_SM(bfa_ioc_sm_initfail), BFA_IOC_INITFAIL},
{BFA_SM(bfa_ioc_sm_hbfail), BFA_IOC_HBFAIL},
{BFA_SM(bfa_ioc_sm_disabling), BFA_IOC_DISABLING},
{BFA_SM(bfa_ioc_sm_disabled), BFA_IOC_DISABLED},
};
/**
* Reset entry actions -- initialize state machine
*/
static void
bfa_ioc_sm_reset_entry(struct bfa_ioc_s *ioc)
{
ioc->retry_count = 0;
ioc->auto_recover = bfa_auto_recover;
}
/**
* Beginning state. IOC is in reset state.
*/
static void
bfa_ioc_sm_reset(struct bfa_ioc_s *ioc, enum ioc_event event)
{
bfa_trc(ioc, event);
switch (event) {
case IOC_E_ENABLE:
bfa_fsm_set_state(ioc, bfa_ioc_sm_fwcheck);
break;
case IOC_E_DISABLE:
bfa_ioc_disable_comp(ioc);
break;
case IOC_E_DETACH:
break;
default:
bfa_sm_fault(ioc, event);
}
}
/**
* Semaphore should be acquired for version check.
*/
static void
bfa_ioc_sm_fwcheck_entry(struct bfa_ioc_s *ioc)
{
bfa_ioc_hw_sem_get(ioc);
}
/**
* Awaiting h/w semaphore to continue with version check.
*/
static void
bfa_ioc_sm_fwcheck(struct bfa_ioc_s *ioc, enum ioc_event event)
{
bfa_trc(ioc, event);
switch (event) {
case IOC_E_SEMLOCKED:
if (bfa_ioc_firmware_lock(ioc)) {
ioc->retry_count = 0;
bfa_fsm_set_state(ioc, bfa_ioc_sm_hwinit);
} else {
bfa_ioc_hw_sem_release(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_mismatch);
}
break;
case IOC_E_DISABLE:
bfa_ioc_disable_comp(ioc);
/*
* fall through
*/
case IOC_E_DETACH:
bfa_ioc_hw_sem_get_cancel(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_reset);
break;
case IOC_E_FWREADY:
break;
default:
bfa_sm_fault(ioc, event);
}
}
/**
* Notify enable completion callback and generate mismatch AEN.
*/
static void
bfa_ioc_sm_mismatch_entry(struct bfa_ioc_s *ioc)
{
/**
* Provide enable completion callback and AEN notification only once.
*/
if (ioc->retry_count == 0) {
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
bfa_ioc_aen_post(ioc, BFA_IOC_AEN_FWMISMATCH);
}
ioc->retry_count++;
bfa_ioc_timer_start(ioc);
}
/**
* Awaiting firmware version match.
*/
static void
bfa_ioc_sm_mismatch(struct bfa_ioc_s *ioc, enum ioc_event event)
{
bfa_trc(ioc, event);
switch (event) {
case IOC_E_TIMEOUT:
bfa_fsm_set_state(ioc, bfa_ioc_sm_fwcheck);
break;
case IOC_E_DISABLE:
bfa_ioc_disable_comp(ioc);
/*
* fall through
*/
case IOC_E_DETACH:
bfa_ioc_timer_stop(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_reset);
break;
case IOC_E_FWREADY:
break;
default:
bfa_sm_fault(ioc, event);
}
}
/**
* Request for semaphore.
*/
static void
bfa_ioc_sm_semwait_entry(struct bfa_ioc_s *ioc)
{
bfa_ioc_hw_sem_get(ioc);
}
/**
* Awaiting semaphore for h/w initialzation.
*/
static void
bfa_ioc_sm_semwait(struct bfa_ioc_s *ioc, enum ioc_event event)
{
bfa_trc(ioc, event);
switch (event) {
case IOC_E_SEMLOCKED:
ioc->retry_count = 0;
bfa_fsm_set_state(ioc, bfa_ioc_sm_hwinit);
break;
case IOC_E_DISABLE:
bfa_ioc_hw_sem_get_cancel(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled);
break;
default:
bfa_sm_fault(ioc, event);
}
}
static void
bfa_ioc_sm_hwinit_entry(struct bfa_ioc_s *ioc)
{
bfa_ioc_timer_start(ioc);
bfa_ioc_reset(ioc, BFA_FALSE);
}
/**
* Hardware is being initialized. Interrupts are enabled.
* Holding hardware semaphore lock.
*/
static void
bfa_ioc_sm_hwinit(struct bfa_ioc_s *ioc, enum ioc_event event)
{
bfa_trc(ioc, event);
switch (event) {
case IOC_E_FWREADY:
bfa_ioc_timer_stop(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling);
break;
case IOC_E_HWERROR:
bfa_ioc_timer_stop(ioc);
/*
* fall through
*/
case IOC_E_TIMEOUT:
ioc->retry_count++;
if (ioc->retry_count < BFA_IOC_HWINIT_MAX) {
bfa_ioc_timer_start(ioc);
bfa_ioc_reset(ioc, BFA_TRUE);
break;
}
bfa_ioc_hw_sem_release(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_initfail);
break;
case IOC_E_DISABLE:
bfa_ioc_hw_sem_release(ioc);
bfa_ioc_timer_stop(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled);
break;
default:
bfa_sm_fault(ioc, event);
}
}
static void
bfa_ioc_sm_enabling_entry(struct bfa_ioc_s *ioc)
{
bfa_ioc_timer_start(ioc);
bfa_ioc_send_enable(ioc);
}
/**
* Host IOC function is being enabled, awaiting response from firmware.
* Semaphore is acquired.
*/
static void
bfa_ioc_sm_enabling(struct bfa_ioc_s *ioc, enum ioc_event event)
{
bfa_trc(ioc, event);
switch (event) {
case IOC_E_FWRSP_ENABLE:
bfa_ioc_timer_stop(ioc);
bfa_ioc_hw_sem_release(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr);
break;
case IOC_E_HWERROR:
bfa_ioc_timer_stop(ioc);
/*
* fall through
*/
case IOC_E_TIMEOUT:
ioc->retry_count++;
if (ioc->retry_count < BFA_IOC_HWINIT_MAX) {
bfa_reg_write(ioc->ioc_regs.ioc_fwstate,
BFI_IOC_UNINIT);
bfa_fsm_set_state(ioc, bfa_ioc_sm_hwinit);
break;
}
bfa_ioc_hw_sem_release(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_initfail);
break;
case IOC_E_DISABLE:
bfa_ioc_timer_stop(ioc);
bfa_ioc_hw_sem_release(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled);
break;
case IOC_E_FWREADY:
bfa_ioc_send_enable(ioc);
break;
default:
bfa_sm_fault(ioc, event);
}
}
static void
bfa_ioc_sm_getattr_entry(struct bfa_ioc_s *ioc)
{
bfa_ioc_timer_start(ioc);
bfa_ioc_send_getattr(ioc);
}
/**
* IOC configuration in progress. Timer is active.
*/
static void
bfa_ioc_sm_getattr(struct bfa_ioc_s *ioc, enum ioc_event event)
{
bfa_trc(ioc, event);
switch (event) {
case IOC_E_FWRSP_GETATTR:
bfa_ioc_timer_stop(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_op);
break;
case IOC_E_HWERROR:
bfa_ioc_timer_stop(ioc);
/*
* fall through
*/
case IOC_E_TIMEOUT:
bfa_fsm_set_state(ioc, bfa_ioc_sm_initfail);
break;
case IOC_E_DISABLE:
bfa_ioc_timer_stop(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled);
break;
default:
bfa_sm_fault(ioc, event);
}
}
static void
bfa_ioc_sm_op_entry(struct bfa_ioc_s *ioc)
{
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_OK);
bfa_ioc_hb_monitor(ioc);
bfa_ioc_aen_post(ioc, BFA_IOC_AEN_ENABLE);
}
static void
bfa_ioc_sm_op(struct bfa_ioc_s *ioc, enum ioc_event event)
{
bfa_trc(ioc, event);
switch (event) {
case IOC_E_ENABLE:
break;
case IOC_E_DISABLE:
bfa_ioc_hb_stop(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
break;
case IOC_E_HWERROR:
case IOC_E_FWREADY:
/**
* Hard error or IOC recovery by other function.
* Treat it same as heartbeat failure.
*/
bfa_ioc_hb_stop(ioc);
/*
* !!! fall through !!!
*/
case IOC_E_HBFAIL:
bfa_fsm_set_state(ioc, bfa_ioc_sm_hbfail);
break;
default:
bfa_sm_fault(ioc, event);
}
}
static void
bfa_ioc_sm_disabling_entry(struct bfa_ioc_s *ioc)
{
bfa_ioc_aen_post(ioc, BFA_IOC_AEN_DISABLE);
bfa_ioc_timer_start(ioc);
bfa_ioc_send_disable(ioc);
}
/**
* IOC is being disabled
*/
static void
bfa_ioc_sm_disabling(struct bfa_ioc_s *ioc, enum ioc_event event)
{
bfa_trc(ioc, event);
switch (event) {
case IOC_E_HWERROR:
case IOC_E_FWRSP_DISABLE:
bfa_ioc_timer_stop(ioc);
/*
* !!! fall through !!!
*/
case IOC_E_TIMEOUT:
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled);
break;
default:
bfa_sm_fault(ioc, event);
}
}
/**
* IOC disable completion entry.
*/
static void
bfa_ioc_sm_disabled_entry(struct bfa_ioc_s *ioc)
{
bfa_ioc_disable_comp(ioc);
}
static void
bfa_ioc_sm_disabled(struct bfa_ioc_s *ioc, enum ioc_event event)
{
bfa_trc(ioc, event);
switch (event) {
case IOC_E_ENABLE:
bfa_fsm_set_state(ioc, bfa_ioc_sm_semwait);
break;
case IOC_E_DISABLE:
ioc->cbfn->disable_cbfn(ioc->bfa);
break;
case IOC_E_FWREADY:
break;
case IOC_E_DETACH:
bfa_ioc_firmware_unlock(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_reset);
break;
default:
bfa_sm_fault(ioc, event);
}
}
static void
bfa_ioc_sm_initfail_entry(struct bfa_ioc_s *ioc)
{
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
bfa_ioc_timer_start(ioc);
}
/**
* Hardware initialization failed.
*/
static void
bfa_ioc_sm_initfail(struct bfa_ioc_s *ioc, enum ioc_event event)
{
bfa_trc(ioc, event);
switch (event) {
case IOC_E_DISABLE:
bfa_ioc_timer_stop(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled);
break;
case IOC_E_DETACH:
bfa_ioc_timer_stop(ioc);
bfa_ioc_firmware_unlock(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_reset);
break;
case IOC_E_TIMEOUT:
bfa_fsm_set_state(ioc, bfa_ioc_sm_semwait);
break;
default:
bfa_sm_fault(ioc, event);
}
}
static void
bfa_ioc_sm_hbfail_entry(struct bfa_ioc_s *ioc)
{
struct list_head *qe;
struct bfa_ioc_hbfail_notify_s *notify;
/**
* Mark IOC as failed in hardware and stop firmware.
*/
bfa_ioc_lpu_stop(ioc);
bfa_reg_write(ioc->ioc_regs.ioc_fwstate, BFI_IOC_HBFAIL);
if (ioc->pcidev.device_id == BFA_PCI_DEVICE_ID_CT) {
bfa_reg_write(ioc->ioc_regs.ll_halt, __FW_INIT_HALT_P);
/*
* Wait for halt to take effect
*/
bfa_reg_read(ioc->ioc_regs.ll_halt);
}
/**
* Notify driver and common modules registered for notification.
*/
ioc->cbfn->hbfail_cbfn(ioc->bfa);
list_for_each(qe, &ioc->hb_notify_q) {
notify = (struct bfa_ioc_hbfail_notify_s *)qe;
notify->cbfn(notify->cbarg);
}
/**
* Flush any queued up mailbox requests.
*/
bfa_ioc_mbox_hbfail(ioc);
bfa_ioc_aen_post(ioc, BFA_IOC_AEN_HBFAIL);
/**
* Trigger auto-recovery after a delay.
*/
if (ioc->auto_recover) {
bfa_timer_begin(ioc->timer_mod, &ioc->ioc_timer,
bfa_ioc_timeout, ioc, BFA_IOC_TOV_RECOVER);
}
}
/**
* IOC heartbeat failure.
*/
static void
bfa_ioc_sm_hbfail(struct bfa_ioc_s *ioc, enum ioc_event event)
{
bfa_trc(ioc, event);
switch (event) {
case IOC_E_ENABLE:
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
break;
case IOC_E_DISABLE:
if (ioc->auto_recover)
bfa_ioc_timer_stop(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled);
break;
case IOC_E_TIMEOUT:
bfa_fsm_set_state(ioc, bfa_ioc_sm_semwait);
break;
case IOC_E_FWREADY:
/**
* Recovery is already initiated by other function.
*/
break;
default:
bfa_sm_fault(ioc, event);
}
}
/**
* bfa_ioc_pvt BFA IOC private functions
*/
static void
bfa_ioc_disable_comp(struct bfa_ioc_s *ioc)
{
struct list_head *qe;
struct bfa_ioc_hbfail_notify_s *notify;
ioc->cbfn->disable_cbfn(ioc->bfa);
/**
* Notify common modules registered for notification.
*/
list_for_each(qe, &ioc->hb_notify_q) {
notify = (struct bfa_ioc_hbfail_notify_s *)qe;
notify->cbfn(notify->cbarg);
}
}
static void
bfa_ioc_sem_timeout(void *ioc_arg)
{
struct bfa_ioc_s *ioc = (struct bfa_ioc_s *)ioc_arg;
bfa_ioc_hw_sem_get(ioc);
}
static void
bfa_ioc_usage_sem_get(struct bfa_ioc_s *ioc)
{
u32 r32;
int cnt = 0;
#define BFA_SEM_SPINCNT 1000
do {
r32 = bfa_reg_read(ioc->ioc_regs.ioc_usage_sem_reg);
cnt++;
if (cnt > BFA_SEM_SPINCNT)
break;
} while (r32 != 0);
bfa_assert(cnt < BFA_SEM_SPINCNT);
}
static void
bfa_ioc_usage_sem_release(struct bfa_ioc_s *ioc)
{
bfa_reg_write(ioc->ioc_regs.ioc_usage_sem_reg, 1);
}
static void
bfa_ioc_hw_sem_get(struct bfa_ioc_s *ioc)
{
u32 r32;
/**
* First read to the semaphore register will return 0, subsequent reads
* will return 1. Semaphore is released by writing 0 to the register
*/
r32 = bfa_reg_read(ioc->ioc_regs.ioc_sem_reg);
if (r32 == 0) {
bfa_fsm_send_event(ioc, IOC_E_SEMLOCKED);
return;
}
bfa_timer_begin(ioc->timer_mod, &ioc->sem_timer, bfa_ioc_sem_timeout,
ioc, BFA_IOC_TOV);
}
static void
bfa_ioc_hw_sem_release(struct bfa_ioc_s *ioc)
{
bfa_reg_write(ioc->ioc_regs.ioc_sem_reg, 1);
}
static void
bfa_ioc_hw_sem_get_cancel(struct bfa_ioc_s *ioc)
{
bfa_timer_stop(&ioc->sem_timer);
}
/**
* Initialize LPU local memory (aka secondary memory / SRAM)
*/
static void
bfa_ioc_lmem_init(struct bfa_ioc_s *ioc)
{
u32 pss_ctl;
int i;
#define PSS_LMEM_INIT_TIME 10000
pss_ctl = bfa_reg_read(ioc->ioc_regs.pss_ctl_reg);
pss_ctl &= ~__PSS_LMEM_RESET;
pss_ctl |= __PSS_LMEM_INIT_EN;
pss_ctl |= __PSS_I2C_CLK_DIV(3UL); /* i2c workaround 12.5khz clock */
bfa_reg_write(ioc->ioc_regs.pss_ctl_reg, pss_ctl);
/**
* wait for memory initialization to be complete
*/
i = 0;
do {
pss_ctl = bfa_reg_read(ioc->ioc_regs.pss_ctl_reg);
i++;
} while (!(pss_ctl & __PSS_LMEM_INIT_DONE) && (i < PSS_LMEM_INIT_TIME));
/**
* If memory initialization is not successful, IOC timeout will catch
* such failures.
*/
bfa_assert(pss_ctl & __PSS_LMEM_INIT_DONE);
bfa_trc(ioc, pss_ctl);
pss_ctl &= ~(__PSS_LMEM_INIT_DONE | __PSS_LMEM_INIT_EN);
bfa_reg_write(ioc->ioc_regs.pss_ctl_reg, pss_ctl);
}
static void
bfa_ioc_lpu_start(struct bfa_ioc_s *ioc)
{
u32 pss_ctl;
/**
* Take processor out of reset.
*/
pss_ctl = bfa_reg_read(ioc->ioc_regs.pss_ctl_reg);
pss_ctl &= ~__PSS_LPU0_RESET;
bfa_reg_write(ioc->ioc_regs.pss_ctl_reg, pss_ctl);
}
static void
bfa_ioc_lpu_stop(struct bfa_ioc_s *ioc)
{
u32 pss_ctl;
/**
* Put processors in reset.
*/
pss_ctl = bfa_reg_read(ioc->ioc_regs.pss_ctl_reg);
pss_ctl |= (__PSS_LPU0_RESET | __PSS_LPU1_RESET);
bfa_reg_write(ioc->ioc_regs.pss_ctl_reg, pss_ctl);
}
/**
* Get driver and firmware versions.
*/
static void
bfa_ioc_fwver_get(struct bfa_ioc_s *ioc, struct bfi_ioc_image_hdr_s *fwhdr)
{
u32 pgnum, pgoff;
u32 loff = 0;
int i;
u32 *fwsig = (u32 *) fwhdr;
pgnum = bfa_ioc_smem_pgnum(ioc, loff);
pgoff = bfa_ioc_smem_pgoff(ioc, loff);
bfa_reg_write(ioc->ioc_regs.host_page_num_fn, pgnum);
for (i = 0; i < (sizeof(struct bfi_ioc_image_hdr_s) / sizeof(u32));
i++) {
fwsig[i] = bfa_mem_read(ioc->ioc_regs.smem_page_start, loff);
loff += sizeof(u32);
}
}
static u32 *
bfa_ioc_fwimg_get_chunk(struct bfa_ioc_s *ioc, u32 off)
{
if (ioc->ctdev)
return bfi_image_ct_get_chunk(off);
return bfi_image_cb_get_chunk(off);
}
static u32
bfa_ioc_fwimg_get_size(struct bfa_ioc_s *ioc)
{
return (ioc->ctdev) ? bfi_image_ct_size : bfi_image_cb_size;
}
/**
* Returns TRUE if same.
*/
static bfa_boolean_t
bfa_ioc_fwver_cmp(struct bfa_ioc_s *ioc, struct bfi_ioc_image_hdr_s *fwhdr)
{
struct bfi_ioc_image_hdr_s *drv_fwhdr;
int i;
drv_fwhdr =
(struct bfi_ioc_image_hdr_s *)bfa_ioc_fwimg_get_chunk(ioc, 0);
for (i = 0; i < BFI_IOC_MD5SUM_SZ; i++) {
if (fwhdr->md5sum[i] != drv_fwhdr->md5sum[i]) {
bfa_trc(ioc, i);
bfa_trc(ioc, fwhdr->md5sum[i]);
bfa_trc(ioc, drv_fwhdr->md5sum[i]);
return BFA_FALSE;
}
}
bfa_trc(ioc, fwhdr->md5sum[0]);
return BFA_TRUE;
}
/**
* Return true if current running version is valid. Firmware signature and
* execution context (driver/bios) must match.
*/
static bfa_boolean_t
bfa_ioc_fwver_valid(struct bfa_ioc_s *ioc)
{
struct bfi_ioc_image_hdr_s fwhdr, *drv_fwhdr;
/**
* If bios/efi boot (flash based) -- return true
*/
if (bfa_ioc_fwimg_get_size(ioc) < BFA_IOC_FWIMG_MINSZ)
return BFA_TRUE;
bfa_ioc_fwver_get(ioc, &fwhdr);
drv_fwhdr =
(struct bfi_ioc_image_hdr_s *)bfa_ioc_fwimg_get_chunk(ioc, 0);
if (fwhdr.signature != drv_fwhdr->signature) {
bfa_trc(ioc, fwhdr.signature);
bfa_trc(ioc, drv_fwhdr->signature);
return BFA_FALSE;
}
if (fwhdr.exec != drv_fwhdr->exec) {
bfa_trc(ioc, fwhdr.exec);
bfa_trc(ioc, drv_fwhdr->exec);
return BFA_FALSE;
}
return bfa_ioc_fwver_cmp(ioc, &fwhdr);
}
/**
* Return true if firmware of current driver matches the running firmware.
*/
static bfa_boolean_t
bfa_ioc_firmware_lock(struct bfa_ioc_s *ioc)
{
enum bfi_ioc_state ioc_fwstate;
u32 usecnt;
struct bfi_ioc_image_hdr_s fwhdr;
/**
* Firmware match check is relevant only for CNA.
*/
if (!ioc->cna)
return BFA_TRUE;
/**
* If bios boot (flash based) -- do not increment usage count
*/
if (bfa_ioc_fwimg_get_size(ioc) < BFA_IOC_FWIMG_MINSZ)
return BFA_TRUE;
bfa_ioc_usage_sem_get(ioc);
usecnt = bfa_reg_read(ioc->ioc_regs.ioc_usage_reg);
/**
* If usage count is 0, always return TRUE.
*/
if (usecnt == 0) {
bfa_reg_write(ioc->ioc_regs.ioc_usage_reg, 1);
bfa_ioc_usage_sem_release(ioc);
bfa_trc(ioc, usecnt);
return BFA_TRUE;
}
ioc_fwstate = bfa_reg_read(ioc->ioc_regs.ioc_fwstate);
bfa_trc(ioc, ioc_fwstate);
/**
* Use count cannot be non-zero and chip in uninitialized state.
*/
bfa_assert(ioc_fwstate != BFI_IOC_UNINIT);
/**
* Check if another driver with a different firmware is active
*/
bfa_ioc_fwver_get(ioc, &fwhdr);
if (!bfa_ioc_fwver_cmp(ioc, &fwhdr)) {
bfa_ioc_usage_sem_release(ioc);
bfa_trc(ioc, usecnt);
return BFA_FALSE;
}
/**
* Same firmware version. Increment the reference count.
*/
usecnt++;
bfa_reg_write(ioc->ioc_regs.ioc_usage_reg, usecnt);
bfa_ioc_usage_sem_release(ioc);
bfa_trc(ioc, usecnt);
return BFA_TRUE;
}
static void
bfa_ioc_firmware_unlock(struct bfa_ioc_s *ioc)
{
u32 usecnt;
/**
* Firmware lock is relevant only for CNA.
* If bios boot (flash based) -- do not decrement usage count
*/
if (!ioc->cna || (bfa_ioc_fwimg_get_size(ioc) < BFA_IOC_FWIMG_MINSZ))
return;
/**
* decrement usage count
*/
bfa_ioc_usage_sem_get(ioc);
usecnt = bfa_reg_read(ioc->ioc_regs.ioc_usage_reg);
bfa_assert(usecnt > 0);
usecnt--;
bfa_reg_write(ioc->ioc_regs.ioc_usage_reg, usecnt);
bfa_trc(ioc, usecnt);
bfa_ioc_usage_sem_release(ioc);
}
/**
* Conditionally flush any pending message from firmware at start.
*/
static void
bfa_ioc_msgflush(struct bfa_ioc_s *ioc)
{
u32 r32;
r32 = bfa_reg_read(ioc->ioc_regs.lpu_mbox_cmd);
if (r32)
bfa_reg_write(ioc->ioc_regs.lpu_mbox_cmd, 1);
}
static void
bfa_ioc_hwinit(struct bfa_ioc_s *ioc, bfa_boolean_t force)
{
enum bfi_ioc_state ioc_fwstate;
bfa_boolean_t fwvalid;
ioc_fwstate = bfa_reg_read(ioc->ioc_regs.ioc_fwstate);
if (force)
ioc_fwstate = BFI_IOC_UNINIT;
bfa_trc(ioc, ioc_fwstate);
/**
* check if firmware is valid
*/
fwvalid = (ioc_fwstate == BFI_IOC_UNINIT) ?
BFA_FALSE : bfa_ioc_fwver_valid(ioc);
if (!fwvalid) {
bfa_ioc_boot(ioc, BFI_BOOT_TYPE_NORMAL, ioc->pcidev.device_id);
return;
}
/**
* If hardware initialization is in progress (initialized by other IOC),
* just wait for an initialization completion interrupt.
*/
if (ioc_fwstate == BFI_IOC_INITING) {
bfa_trc(ioc, ioc_fwstate);
ioc->cbfn->reset_cbfn(ioc->bfa);
return;
}
/**
* If IOC function is disabled and firmware version is same,
* just re-enable IOC.
*/
if (ioc_fwstate == BFI_IOC_DISABLED || ioc_fwstate == BFI_IOC_OP) {
bfa_trc(ioc, ioc_fwstate);
/**
* When using MSI-X any pending firmware ready event should
* be flushed. Otherwise MSI-X interrupts are not delivered.
*/
bfa_ioc_msgflush(ioc);
ioc->cbfn->reset_cbfn(ioc->bfa);
bfa_fsm_send_event(ioc, IOC_E_FWREADY);
return;
}
/**
* Initialize the h/w for any other states.
*/
bfa_ioc_boot(ioc, BFI_BOOT_TYPE_NORMAL, ioc->pcidev.device_id);
}
static void
bfa_ioc_timeout(void *ioc_arg)
{
struct bfa_ioc_s *ioc = (struct bfa_ioc_s *)ioc_arg;
bfa_trc(ioc, 0);
bfa_fsm_send_event(ioc, IOC_E_TIMEOUT);
}
void
bfa_ioc_mbox_send(struct bfa_ioc_s *ioc, void *ioc_msg, int len)
{
u32 *msgp = (u32 *) ioc_msg;
u32 i;
bfa_trc(ioc, msgp[0]);
bfa_trc(ioc, len);
bfa_assert(len <= BFI_IOC_MSGLEN_MAX);
/*
* first write msg to mailbox registers
*/
for (i = 0; i < len / sizeof(u32); i++)
bfa_reg_write(ioc->ioc_regs.hfn_mbox + i * sizeof(u32),
bfa_os_wtole(msgp[i]));
for (; i < BFI_IOC_MSGLEN_MAX / sizeof(u32); i++)
bfa_reg_write(ioc->ioc_regs.hfn_mbox + i * sizeof(u32), 0);
/*
* write 1 to mailbox CMD to trigger LPU event
*/
bfa_reg_write(ioc->ioc_regs.hfn_mbox_cmd, 1);
(void)bfa_reg_read(ioc->ioc_regs.hfn_mbox_cmd);
}
static void
bfa_ioc_send_enable(struct bfa_ioc_s *ioc)
{
struct bfi_ioc_ctrl_req_s enable_req;
bfi_h2i_set(enable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_ENABLE_REQ,
bfa_ioc_portid(ioc));
enable_req.ioc_class = ioc->ioc_mc;
bfa_ioc_mbox_send(ioc, &enable_req, sizeof(struct bfi_ioc_ctrl_req_s));
}
static void
bfa_ioc_send_disable(struct bfa_ioc_s *ioc)
{
struct bfi_ioc_ctrl_req_s disable_req;
bfi_h2i_set(disable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_DISABLE_REQ,
bfa_ioc_portid(ioc));
bfa_ioc_mbox_send(ioc, &disable_req, sizeof(struct bfi_ioc_ctrl_req_s));
}
static void
bfa_ioc_send_getattr(struct bfa_ioc_s *ioc)
{
struct bfi_ioc_getattr_req_s attr_req;
bfi_h2i_set(attr_req.mh, BFI_MC_IOC, BFI_IOC_H2I_GETATTR_REQ,
bfa_ioc_portid(ioc));
bfa_dma_be_addr_set(attr_req.attr_addr, ioc->attr_dma.pa);
bfa_ioc_mbox_send(ioc, &attr_req, sizeof(attr_req));
}
static void
bfa_ioc_hb_check(void *cbarg)
{
struct bfa_ioc_s *ioc = cbarg;
u32 hb_count;
hb_count = bfa_reg_read(ioc->ioc_regs.heartbeat);
if (ioc->hb_count == hb_count) {
ioc->hb_fail++;
} else {
ioc->hb_count = hb_count;
ioc->hb_fail = 0;
}
if (ioc->hb_fail >= BFA_IOC_HB_FAIL_MAX) {
bfa_log(ioc->logm, BFA_LOG_HAL_HEARTBEAT_FAILURE, hb_count);
ioc->hb_fail = 0;
bfa_ioc_recover(ioc);
return;
}
bfa_ioc_mbox_poll(ioc);
bfa_timer_begin(ioc->timer_mod, &ioc->ioc_timer, bfa_ioc_hb_check, ioc,
BFA_IOC_HB_TOV);
}
static void
bfa_ioc_hb_monitor(struct bfa_ioc_s *ioc)
{
ioc->hb_fail = 0;
ioc->hb_count = bfa_reg_read(ioc->ioc_regs.heartbeat);
bfa_timer_begin(ioc->timer_mod, &ioc->ioc_timer, bfa_ioc_hb_check, ioc,
BFA_IOC_HB_TOV);
}
static void
bfa_ioc_hb_stop(struct bfa_ioc_s *ioc)
{
bfa_timer_stop(&ioc->ioc_timer);
}
/**
* Host to LPU mailbox message addresses
*/
static struct {
u32 hfn_mbox, lpu_mbox, hfn_pgn;
} iocreg_fnreg[] = {
{
HOSTFN0_LPU_MBOX0_0, LPU_HOSTFN0_MBOX0_0, HOST_PAGE_NUM_FN0}, {
HOSTFN1_LPU_MBOX0_8, LPU_HOSTFN1_MBOX0_8, HOST_PAGE_NUM_FN1}, {
HOSTFN2_LPU_MBOX0_0, LPU_HOSTFN2_MBOX0_0, HOST_PAGE_NUM_FN2}, {
HOSTFN3_LPU_MBOX0_8, LPU_HOSTFN3_MBOX0_8, HOST_PAGE_NUM_FN3}
};
/**
* Host <-> LPU mailbox command/status registers - port 0
*/
static struct {
u32 hfn, lpu;
} iocreg_mbcmd_p0[] = {
{
HOSTFN0_LPU0_MBOX0_CMD_STAT, LPU0_HOSTFN0_MBOX0_CMD_STAT}, {
HOSTFN1_LPU0_MBOX0_CMD_STAT, LPU0_HOSTFN1_MBOX0_CMD_STAT}, {
HOSTFN2_LPU0_MBOX0_CMD_STAT, LPU0_HOSTFN2_MBOX0_CMD_STAT}, {
HOSTFN3_LPU0_MBOX0_CMD_STAT, LPU0_HOSTFN3_MBOX0_CMD_STAT}
};
/**
* Host <-> LPU mailbox command/status registers - port 1
*/
static struct {
u32 hfn, lpu;
} iocreg_mbcmd_p1[] = {
{
HOSTFN0_LPU1_MBOX0_CMD_STAT, LPU1_HOSTFN0_MBOX0_CMD_STAT}, {
HOSTFN1_LPU1_MBOX0_CMD_STAT, LPU1_HOSTFN1_MBOX0_CMD_STAT}, {
HOSTFN2_LPU1_MBOX0_CMD_STAT, LPU1_HOSTFN2_MBOX0_CMD_STAT}, {
HOSTFN3_LPU1_MBOX0_CMD_STAT, LPU1_HOSTFN3_MBOX0_CMD_STAT}
};
/**
* Shared IRQ handling in INTX mode
*/
static struct {
u32 isr, msk;
} iocreg_shirq_next[] = {
{
HOSTFN1_INT_STATUS, HOSTFN1_INT_MSK}, {
HOSTFN2_INT_STATUS, HOSTFN2_INT_MSK}, {
HOSTFN3_INT_STATUS, HOSTFN3_INT_MSK}, {
HOSTFN0_INT_STATUS, HOSTFN0_INT_MSK},};
static void
bfa_ioc_reg_init(struct bfa_ioc_s *ioc)
{
bfa_os_addr_t rb;
int pcifn = bfa_ioc_pcifn(ioc);
rb = bfa_ioc_bar0(ioc);
ioc->ioc_regs.hfn_mbox = rb + iocreg_fnreg[pcifn].hfn_mbox;
ioc->ioc_regs.lpu_mbox = rb + iocreg_fnreg[pcifn].lpu_mbox;
ioc->ioc_regs.host_page_num_fn = rb + iocreg_fnreg[pcifn].hfn_pgn;
if (ioc->port_id == 0) {
ioc->ioc_regs.heartbeat = rb + BFA_IOC0_HBEAT_REG;
ioc->ioc_regs.ioc_fwstate = rb + BFA_IOC0_STATE_REG;
ioc->ioc_regs.hfn_mbox_cmd = rb + iocreg_mbcmd_p0[pcifn].hfn;
ioc->ioc_regs.lpu_mbox_cmd = rb + iocreg_mbcmd_p0[pcifn].lpu;
ioc->ioc_regs.ll_halt = rb + FW_INIT_HALT_P0;
} else {
ioc->ioc_regs.heartbeat = (rb + BFA_IOC1_HBEAT_REG);
ioc->ioc_regs.ioc_fwstate = (rb + BFA_IOC1_STATE_REG);
ioc->ioc_regs.hfn_mbox_cmd = rb + iocreg_mbcmd_p1[pcifn].hfn;
ioc->ioc_regs.lpu_mbox_cmd = rb + iocreg_mbcmd_p1[pcifn].lpu;
ioc->ioc_regs.ll_halt = rb + FW_INIT_HALT_P1;
}
/**
* Shared IRQ handling in INTX mode
*/
ioc->ioc_regs.shirq_isr_next = rb + iocreg_shirq_next[pcifn].isr;
ioc->ioc_regs.shirq_msk_next = rb + iocreg_shirq_next[pcifn].msk;
/*
* PSS control registers
*/
ioc->ioc_regs.pss_ctl_reg = (rb + PSS_CTL_REG);
ioc->ioc_regs.app_pll_fast_ctl_reg = (rb + APP_PLL_425_CTL_REG);
ioc->ioc_regs.app_pll_slow_ctl_reg = (rb + APP_PLL_312_CTL_REG);
/*
* IOC semaphore registers and serialization
*/
ioc->ioc_regs.ioc_sem_reg = (rb + HOST_SEM0_REG);
ioc->ioc_regs.ioc_usage_sem_reg = (rb + HOST_SEM1_REG);
ioc->ioc_regs.ioc_usage_reg = (rb + BFA_FW_USE_COUNT);
/**
* sram memory access
*/
ioc->ioc_regs.smem_page_start = (rb + PSS_SMEM_PAGE_START);
ioc->ioc_regs.smem_pg0 = BFI_IOC_SMEM_PG0_CB;
if (ioc->pcidev.device_id == BFA_PCI_DEVICE_ID_CT)
ioc->ioc_regs.smem_pg0 = BFI_IOC_SMEM_PG0_CT;
}
/**
* Initiate a full firmware download.
*/
static void
bfa_ioc_download_fw(struct bfa_ioc_s *ioc, u32 boot_type,
u32 boot_param)
{
u32 *fwimg;
u32 pgnum, pgoff;
u32 loff = 0;
u32 chunkno = 0;
u32 i;
/**
* Initialize LMEM first before code download
*/
bfa_ioc_lmem_init(ioc);
/**
* Flash based firmware boot
*/
bfa_trc(ioc, bfa_ioc_fwimg_get_size(ioc));
if (bfa_ioc_fwimg_get_size(ioc) < BFA_IOC_FWIMG_MINSZ)
boot_type = BFI_BOOT_TYPE_FLASH;
fwimg = bfa_ioc_fwimg_get_chunk(ioc, chunkno);
fwimg[BFI_BOOT_TYPE_OFF / sizeof(u32)] = bfa_os_swap32(boot_type);
fwimg[BFI_BOOT_PARAM_OFF / sizeof(u32)] =
bfa_os_swap32(boot_param);
pgnum = bfa_ioc_smem_pgnum(ioc, loff);
pgoff = bfa_ioc_smem_pgoff(ioc, loff);
bfa_reg_write(ioc->ioc_regs.host_page_num_fn, pgnum);
for (i = 0; i < bfa_ioc_fwimg_get_size(ioc); i++) {
if (BFA_FLASH_CHUNK_NO(i) != chunkno) {
chunkno = BFA_FLASH_CHUNK_NO(i);
fwimg = bfa_ioc_fwimg_get_chunk(ioc,
BFA_FLASH_CHUNK_ADDR(chunkno));
}
/**
* write smem
*/
bfa_mem_write(ioc->ioc_regs.smem_page_start, loff,
fwimg[BFA_FLASH_OFFSET_IN_CHUNK(i)]);
loff += sizeof(u32);
/**
* handle page offset wrap around
*/
loff = PSS_SMEM_PGOFF(loff);
if (loff == 0) {
pgnum++;
bfa_reg_write(ioc->ioc_regs.host_page_num_fn, pgnum);
}
}
bfa_reg_write(ioc->ioc_regs.host_page_num_fn,
bfa_ioc_smem_pgnum(ioc, 0));
}
static void
bfa_ioc_reset(struct bfa_ioc_s *ioc, bfa_boolean_t force)
{
bfa_ioc_hwinit(ioc, force);
}
/**
* Update BFA configuration from firmware configuration.
*/
static void
bfa_ioc_getattr_reply(struct bfa_ioc_s *ioc)
{
struct bfi_ioc_attr_s *attr = ioc->attr;
attr->adapter_prop = bfa_os_ntohl(attr->adapter_prop);
attr->maxfrsize = bfa_os_ntohs(attr->maxfrsize);
bfa_fsm_send_event(ioc, IOC_E_FWRSP_GETATTR);
}
/**
* Attach time initialization of mbox logic.
*/
static void
bfa_ioc_mbox_attach(struct bfa_ioc_s *ioc)
{
struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod;
int mc;
INIT_LIST_HEAD(&mod->cmd_q);
for (mc = 0; mc < BFI_MC_MAX; mc++) {
mod->mbhdlr[mc].cbfn = NULL;
mod->mbhdlr[mc].cbarg = ioc->bfa;
}
}
/**
* Mbox poll timer -- restarts any pending mailbox requests.
*/
static void
bfa_ioc_mbox_poll(struct bfa_ioc_s *ioc)
{
struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod;
struct bfa_mbox_cmd_s *cmd;
u32 stat;
/**
* If no command pending, do nothing
*/
if (list_empty(&mod->cmd_q))
return;
/**
* If previous command is not yet fetched by firmware, do nothing
*/
stat = bfa_reg_read(ioc->ioc_regs.hfn_mbox_cmd);
if (stat)
return;
/**
* Enqueue command to firmware.
*/
bfa_q_deq(&mod->cmd_q, &cmd);
bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg));
}
/**
* Cleanup any pending requests.
*/
static void
bfa_ioc_mbox_hbfail(struct bfa_ioc_s *ioc)
{
struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod;
struct bfa_mbox_cmd_s *cmd;
while (!list_empty(&mod->cmd_q))
bfa_q_deq(&mod->cmd_q, &cmd);
}
/**
* Initialize IOC to port mapping.
*/
#define FNC_PERS_FN_SHIFT(__fn) ((__fn) * 8)
static void
bfa_ioc_map_port(struct bfa_ioc_s *ioc)
{
bfa_os_addr_t rb = ioc->pcidev.pci_bar_kva;
u32 r32;
/**
* For crossbow, port id is same as pci function.
*/
if (ioc->pcidev.device_id != BFA_PCI_DEVICE_ID_CT) {
ioc->port_id = bfa_ioc_pcifn(ioc);
return;
}
/**
* For catapult, base port id on personality register and IOC type
*/
r32 = bfa_reg_read(rb + FNC_PERS_REG);
r32 >>= FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc));
ioc->port_id = (r32 & __F0_PORT_MAP_MK) >> __F0_PORT_MAP_SH;
bfa_trc(ioc, bfa_ioc_pcifn(ioc));
bfa_trc(ioc, ioc->port_id);
}
/**
* bfa_ioc_public
*/
/**
* Set interrupt mode for a function: INTX or MSIX
*/
void
bfa_ioc_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t msix)
{
bfa_os_addr_t rb = ioc->pcidev.pci_bar_kva;
u32 r32, mode;
r32 = bfa_reg_read(rb + FNC_PERS_REG);
bfa_trc(ioc, r32);
mode = (r32 >> FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc))) &
__F0_INTX_STATUS;
/**
* If already in desired mode, do not change anything
*/
if (!msix && mode)
return;
if (msix)
mode = __F0_INTX_STATUS_MSIX;
else
mode = __F0_INTX_STATUS_INTA;
r32 &= ~(__F0_INTX_STATUS << FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc)));
r32 |= (mode << FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc)));
bfa_trc(ioc, r32);
bfa_reg_write(rb + FNC_PERS_REG, r32);
}
bfa_status_t
bfa_ioc_pll_init(struct bfa_ioc_s *ioc)
{
bfa_os_addr_t rb = ioc->pcidev.pci_bar_kva;
u32 pll_sclk, pll_fclk, r32;
if (ioc->pcidev.device_id == BFA_PCI_DEVICE_ID_CT) {
pll_sclk =
__APP_PLL_312_ENABLE | __APP_PLL_312_LRESETN |
__APP_PLL_312_RSEL200500 | __APP_PLL_312_P0_1(0U) |
__APP_PLL_312_JITLMT0_1(3U) |
__APP_PLL_312_CNTLMT0_1(1U);
pll_fclk =
__APP_PLL_425_ENABLE | __APP_PLL_425_LRESETN |
__APP_PLL_425_RSEL200500 | __APP_PLL_425_P0_1(0U) |
__APP_PLL_425_JITLMT0_1(3U) |
__APP_PLL_425_CNTLMT0_1(1U);
/**
* For catapult, choose operational mode FC/FCoE
*/
if (ioc->fcmode) {
bfa_reg_write((rb + OP_MODE), 0);
bfa_reg_write((rb + ETH_MAC_SER_REG),
__APP_EMS_CMLCKSEL | __APP_EMS_REFCKBUFEN2
| __APP_EMS_CHANNEL_SEL);
} else {
ioc->pllinit = BFA_TRUE;
bfa_reg_write((rb + OP_MODE), __GLOBAL_FCOE_MODE);
bfa_reg_write((rb + ETH_MAC_SER_REG),
__APP_EMS_REFCKBUFEN1);
}
} else {
pll_sclk =
__APP_PLL_312_ENABLE | __APP_PLL_312_LRESETN |
__APP_PLL_312_P0_1(3U) | __APP_PLL_312_JITLMT0_1(3U) |
__APP_PLL_312_CNTLMT0_1(3U);
pll_fclk =
__APP_PLL_425_ENABLE | __APP_PLL_425_LRESETN |
__APP_PLL_425_RSEL200500 | __APP_PLL_425_P0_1(3U) |
__APP_PLL_425_JITLMT0_1(3U) |
__APP_PLL_425_CNTLMT0_1(3U);
}
bfa_reg_write((rb + BFA_IOC0_STATE_REG), BFI_IOC_UNINIT);
bfa_reg_write((rb + BFA_IOC1_STATE_REG), BFI_IOC_UNINIT);
bfa_reg_write((rb + HOSTFN0_INT_MSK), 0xffffffffU);
bfa_reg_write((rb + HOSTFN1_INT_MSK), 0xffffffffU);
bfa_reg_write((rb + HOSTFN0_INT_STATUS), 0xffffffffU);
bfa_reg_write((rb + HOSTFN1_INT_STATUS), 0xffffffffU);
bfa_reg_write((rb + HOSTFN0_INT_MSK), 0xffffffffU);
bfa_reg_write((rb + HOSTFN1_INT_MSK), 0xffffffffU);
bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg,
__APP_PLL_312_LOGIC_SOFT_RESET);
bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg,
__APP_PLL_312_BYPASS | __APP_PLL_312_LOGIC_SOFT_RESET);
bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg,
__APP_PLL_425_LOGIC_SOFT_RESET);
bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg,
__APP_PLL_425_BYPASS | __APP_PLL_425_LOGIC_SOFT_RESET);
bfa_os_udelay(2);
bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg,
__APP_PLL_312_LOGIC_SOFT_RESET);
bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg,
__APP_PLL_425_LOGIC_SOFT_RESET);
bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg,
pll_sclk | __APP_PLL_312_LOGIC_SOFT_RESET);
bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg,
pll_fclk | __APP_PLL_425_LOGIC_SOFT_RESET);
/**
* Wait for PLLs to lock.
*/
bfa_os_udelay(2000);
bfa_reg_write((rb + HOSTFN0_INT_STATUS), 0xffffffffU);
bfa_reg_write((rb + HOSTFN1_INT_STATUS), 0xffffffffU);
bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg, pll_sclk);
bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg, pll_fclk);
if (ioc->pcidev.device_id == BFA_PCI_DEVICE_ID_CT) {
bfa_reg_write((rb + MBIST_CTL_REG), __EDRAM_BISTR_START);
bfa_os_udelay(1000);
r32 = bfa_reg_read((rb + MBIST_STAT_REG));
bfa_trc(ioc, r32);
}
return BFA_STATUS_OK;
}
/**
* Interface used by diag module to do firmware boot with memory test
* as the entry vector.
*/
void
bfa_ioc_boot(struct bfa_ioc_s *ioc, u32 boot_type, u32 boot_param)
{
bfa_os_addr_t rb;
bfa_ioc_stats(ioc, ioc_boots);
if (bfa_ioc_pll_init(ioc) != BFA_STATUS_OK)
return;
/**
* Initialize IOC state of all functions on a chip reset.
*/
rb = ioc->pcidev.pci_bar_kva;
if (boot_param == BFI_BOOT_TYPE_MEMTEST) {
bfa_reg_write((rb + BFA_IOC0_STATE_REG), BFI_IOC_MEMTEST);
bfa_reg_write((rb + BFA_IOC1_STATE_REG), BFI_IOC_MEMTEST);
} else {
bfa_reg_write((rb + BFA_IOC0_STATE_REG), BFI_IOC_INITING);
bfa_reg_write((rb + BFA_IOC1_STATE_REG), BFI_IOC_INITING);
}
bfa_ioc_download_fw(ioc, boot_type, boot_param);
/**
* Enable interrupts just before starting LPU
*/
ioc->cbfn->reset_cbfn(ioc->bfa);
bfa_ioc_lpu_start(ioc);
}
/**
* Enable/disable IOC failure auto recovery.
*/
void
bfa_ioc_auto_recover(bfa_boolean_t auto_recover)
{
bfa_auto_recover = BFA_FALSE;
}
bfa_boolean_t
bfa_ioc_is_operational(struct bfa_ioc_s *ioc)
{
return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_op);
}
void
bfa_ioc_msgget(struct bfa_ioc_s *ioc, void *mbmsg)
{
u32 *msgp = mbmsg;
u32 r32;
int i;
/**
* read the MBOX msg
*/
for (i = 0; i < (sizeof(union bfi_ioc_i2h_msg_u) / sizeof(u32));
i++) {
r32 = bfa_reg_read(ioc->ioc_regs.lpu_mbox +
i * sizeof(u32));
msgp[i] = bfa_os_htonl(r32);
}
/**
* turn off mailbox interrupt by clearing mailbox status
*/
bfa_reg_write(ioc->ioc_regs.lpu_mbox_cmd, 1);
bfa_reg_read(ioc->ioc_regs.lpu_mbox_cmd);
}
void
bfa_ioc_isr(struct bfa_ioc_s *ioc, struct bfi_mbmsg_s *m)
{
union bfi_ioc_i2h_msg_u *msg;
msg = (union bfi_ioc_i2h_msg_u *)m;
bfa_ioc_stats(ioc, ioc_isrs);
switch (msg->mh.msg_id) {
case BFI_IOC_I2H_HBEAT:
break;
case BFI_IOC_I2H_READY_EVENT:
bfa_fsm_send_event(ioc, IOC_E_FWREADY);
break;
case BFI_IOC_I2H_ENABLE_REPLY:
bfa_fsm_send_event(ioc, IOC_E_FWRSP_ENABLE);
break;
case BFI_IOC_I2H_DISABLE_REPLY:
bfa_fsm_send_event(ioc, IOC_E_FWRSP_DISABLE);
break;
case BFI_IOC_I2H_GETATTR_REPLY:
bfa_ioc_getattr_reply(ioc);
break;
default:
bfa_trc(ioc, msg->mh.msg_id);
bfa_assert(0);
}
}
/**
* IOC attach time initialization and setup.
*
* @param[in] ioc memory for IOC
* @param[in] bfa driver instance structure
* @param[in] trcmod kernel trace module
* @param[in] aen kernel aen event module
* @param[in] logm kernel logging module
*/
void
bfa_ioc_attach(struct bfa_ioc_s *ioc, void *bfa, struct bfa_ioc_cbfn_s *cbfn,
struct bfa_timer_mod_s *timer_mod, struct bfa_trc_mod_s *trcmod,
struct bfa_aen_s *aen, struct bfa_log_mod_s *logm)
{
ioc->bfa = bfa;
ioc->cbfn = cbfn;
ioc->timer_mod = timer_mod;
ioc->trcmod = trcmod;
ioc->aen = aen;
ioc->logm = logm;
ioc->fcmode = BFA_FALSE;
ioc->pllinit = BFA_FALSE;
ioc->dbg_fwsave_once = BFA_TRUE;
bfa_ioc_mbox_attach(ioc);
INIT_LIST_HEAD(&ioc->hb_notify_q);
bfa_fsm_set_state(ioc, bfa_ioc_sm_reset);
}
/**
* Driver detach time IOC cleanup.
*/
void
bfa_ioc_detach(struct bfa_ioc_s *ioc)
{
bfa_fsm_send_event(ioc, IOC_E_DETACH);
}
/**
* Setup IOC PCI properties.
*
* @param[in] pcidev PCI device information for this IOC
*/
void
bfa_ioc_pci_init(struct bfa_ioc_s *ioc, struct bfa_pcidev_s *pcidev,
enum bfi_mclass mc)
{
ioc->ioc_mc = mc;
ioc->pcidev = *pcidev;
ioc->ctdev = (ioc->pcidev.device_id == BFA_PCI_DEVICE_ID_CT);
ioc->cna = ioc->ctdev && !ioc->fcmode;
bfa_ioc_map_port(ioc);
bfa_ioc_reg_init(ioc);
}
/**
* Initialize IOC dma memory
*
* @param[in] dm_kva kernel virtual address of IOC dma memory
* @param[in] dm_pa physical address of IOC dma memory
*/
void
bfa_ioc_mem_claim(struct bfa_ioc_s *ioc, u8 *dm_kva, u64 dm_pa)
{
/**
* dma memory for firmware attribute
*/
ioc->attr_dma.kva = dm_kva;
ioc->attr_dma.pa = dm_pa;
ioc->attr = (struct bfi_ioc_attr_s *)dm_kva;
}
/**
* Return size of dma memory required.
*/
u32
bfa_ioc_meminfo(void)
{
return BFA_ROUNDUP(sizeof(struct bfi_ioc_attr_s), BFA_DMA_ALIGN_SZ);
}
void
bfa_ioc_enable(struct bfa_ioc_s *ioc)
{
bfa_ioc_stats(ioc, ioc_enables);
ioc->dbg_fwsave_once = BFA_TRUE;
bfa_fsm_send_event(ioc, IOC_E_ENABLE);
}
void
bfa_ioc_disable(struct bfa_ioc_s *ioc)
{
bfa_ioc_stats(ioc, ioc_disables);
bfa_fsm_send_event(ioc, IOC_E_DISABLE);
}
/**
* Returns memory required for saving firmware trace in case of crash.
* Driver must call this interface to allocate memory required for
* automatic saving of firmware trace. Driver should call
* bfa_ioc_debug_memclaim() right after bfa_ioc_attach() to setup this
* trace memory.
*/
int
bfa_ioc_debug_trcsz(bfa_boolean_t auto_recover)
{
return (auto_recover) ? BFA_DBG_FWTRC_LEN : 0;
}
/**
* Initialize memory for saving firmware trace. Driver must initialize
* trace memory before call bfa_ioc_enable().
*/
void
bfa_ioc_debug_memclaim(struct bfa_ioc_s *ioc, void *dbg_fwsave)
{
bfa_assert(ioc->auto_recover);
ioc->dbg_fwsave = dbg_fwsave;
ioc->dbg_fwsave_len = bfa_ioc_debug_trcsz(ioc->auto_recover);
}
u32
bfa_ioc_smem_pgnum(struct bfa_ioc_s *ioc, u32 fmaddr)
{
return PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, fmaddr);
}
u32
bfa_ioc_smem_pgoff(struct bfa_ioc_s *ioc, u32 fmaddr)
{
return PSS_SMEM_PGOFF(fmaddr);
}
/**
* Register mailbox message handler functions
*
* @param[in] ioc IOC instance
* @param[in] mcfuncs message class handler functions
*/
void
bfa_ioc_mbox_register(struct bfa_ioc_s *ioc, bfa_ioc_mbox_mcfunc_t *mcfuncs)
{
struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod;
int mc;
for (mc = 0; mc < BFI_MC_MAX; mc++)
mod->mbhdlr[mc].cbfn = mcfuncs[mc];
}
/**
* Register mailbox message handler function, to be called by common modules
*/
void
bfa_ioc_mbox_regisr(struct bfa_ioc_s *ioc, enum bfi_mclass mc,
bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg)
{
struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod;
mod->mbhdlr[mc].cbfn = cbfn;
mod->mbhdlr[mc].cbarg = cbarg;
}
/**
* Queue a mailbox command request to firmware. Waits if mailbox is busy.
* Responsibility of caller to serialize
*
* @param[in] ioc IOC instance
* @param[i] cmd Mailbox command
*/
void
bfa_ioc_mbox_queue(struct bfa_ioc_s *ioc, struct bfa_mbox_cmd_s *cmd)
{
struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod;
u32 stat;
/**
* If a previous command is pending, queue new command
*/
if (!list_empty(&mod->cmd_q)) {
list_add_tail(&cmd->qe, &mod->cmd_q);
return;
}
/**
* If mailbox is busy, queue command for poll timer
*/
stat = bfa_reg_read(ioc->ioc_regs.hfn_mbox_cmd);
if (stat) {
list_add_tail(&cmd->qe, &mod->cmd_q);
return;
}
/**
* mailbox is free -- queue command to firmware
*/
bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg));
}
/**
* Handle mailbox interrupts
*/
void
bfa_ioc_mbox_isr(struct bfa_ioc_s *ioc)
{
struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod;
struct bfi_mbmsg_s m;
int mc;
bfa_ioc_msgget(ioc, &m);
/**
* Treat IOC message class as special.
*/
mc = m.mh.msg_class;
if (mc == BFI_MC_IOC) {
bfa_ioc_isr(ioc, &m);
return;
}
if ((mc > BFI_MC_MAX) || (mod->mbhdlr[mc].cbfn == NULL))
return;
mod->mbhdlr[mc].cbfn(mod->mbhdlr[mc].cbarg, &m);
}
void
bfa_ioc_error_isr(struct bfa_ioc_s *ioc)
{
bfa_fsm_send_event(ioc, IOC_E_HWERROR);
}
#ifndef BFA_BIOS_BUILD
/**
* return true if IOC is disabled
*/
bfa_boolean_t
bfa_ioc_is_disabled(struct bfa_ioc_s *ioc)
{
return (bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabling)
|| bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled));
}
/**
* return true if IOC firmware is different.
*/
bfa_boolean_t
bfa_ioc_fw_mismatch(struct bfa_ioc_s *ioc)
{
return (bfa_fsm_cmp_state(ioc, bfa_ioc_sm_reset)
|| bfa_fsm_cmp_state(ioc, bfa_ioc_sm_fwcheck)
|| bfa_fsm_cmp_state(ioc, bfa_ioc_sm_mismatch));
}
#define bfa_ioc_state_disabled(__sm) \
(((__sm) == BFI_IOC_UNINIT) || \
((__sm) == BFI_IOC_INITING) || \
((__sm) == BFI_IOC_HWINIT) || \
((__sm) == BFI_IOC_DISABLED) || \
((__sm) == BFI_IOC_HBFAIL) || \
((__sm) == BFI_IOC_CFG_DISABLED))
/**
* Check if adapter is disabled -- both IOCs should be in a disabled
* state.
*/
bfa_boolean_t
bfa_ioc_adapter_is_disabled(struct bfa_ioc_s *ioc)
{
u32 ioc_state;
bfa_os_addr_t rb = ioc->pcidev.pci_bar_kva;
if (!bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled))
return BFA_FALSE;
ioc_state = bfa_reg_read(rb + BFA_IOC0_STATE_REG);
if (!bfa_ioc_state_disabled(ioc_state))
return BFA_FALSE;
ioc_state = bfa_reg_read(rb + BFA_IOC1_STATE_REG);
if (!bfa_ioc_state_disabled(ioc_state))
return BFA_FALSE;
return BFA_TRUE;
}
/**
* Add to IOC heartbeat failure notification queue. To be used by common
* modules such as
*/
void
bfa_ioc_hbfail_register(struct bfa_ioc_s *ioc,
struct bfa_ioc_hbfail_notify_s *notify)
{
list_add_tail(&notify->qe, &ioc->hb_notify_q);
}
#define BFA_MFG_NAME "Brocade"
void
bfa_ioc_get_adapter_attr(struct bfa_ioc_s *ioc,
struct bfa_adapter_attr_s *ad_attr)
{
struct bfi_ioc_attr_s *ioc_attr;
char model[BFA_ADAPTER_MODEL_NAME_LEN];
ioc_attr = ioc->attr;
bfa_os_memcpy((void *)&ad_attr->serial_num,
(void *)ioc_attr->brcd_serialnum,
BFA_ADAPTER_SERIAL_NUM_LEN);
bfa_os_memcpy(&ad_attr->fw_ver, ioc_attr->fw_version, BFA_VERSION_LEN);
bfa_os_memcpy(&ad_attr->optrom_ver, ioc_attr->optrom_version,
BFA_VERSION_LEN);
bfa_os_memcpy(&ad_attr->manufacturer, BFA_MFG_NAME,
BFA_ADAPTER_MFG_NAME_LEN);
bfa_os_memcpy(&ad_attr->vpd, &ioc_attr->vpd,
sizeof(struct bfa_mfg_vpd_s));
ad_attr->nports = BFI_ADAPTER_GETP(NPORTS, ioc_attr->adapter_prop);
ad_attr->max_speed = BFI_ADAPTER_GETP(SPEED, ioc_attr->adapter_prop);
/**
* model name
*/
if (BFI_ADAPTER_GETP(SPEED, ioc_attr->adapter_prop) == 10) {
strcpy(model, "BR-10?0");
model[5] = '0' + ad_attr->nports;
} else {
strcpy(model, "Brocade-??5");
model[8] =
'0' + BFI_ADAPTER_GETP(SPEED, ioc_attr->adapter_prop);
model[9] = '0' + ad_attr->nports;
}
if (BFI_ADAPTER_IS_SPECIAL(ioc_attr->adapter_prop))
ad_attr->prototype = 1;
else
ad_attr->prototype = 0;
bfa_os_memcpy(&ad_attr->model, model, BFA_ADAPTER_MODEL_NAME_LEN);
bfa_os_memcpy(&ad_attr->model_descr, &ad_attr->model,
BFA_ADAPTER_MODEL_NAME_LEN);
ad_attr->pwwn = bfa_ioc_get_pwwn(ioc);
ad_attr->mac = bfa_ioc_get_mac(ioc);
ad_attr->pcie_gen = ioc_attr->pcie_gen;
ad_attr->pcie_lanes = ioc_attr->pcie_lanes;
ad_attr->pcie_lanes_orig = ioc_attr->pcie_lanes_orig;
ad_attr->asic_rev = ioc_attr->asic_rev;
ad_attr->hw_ver[0] = 'R';
ad_attr->hw_ver[1] = 'e';
ad_attr->hw_ver[2] = 'v';
ad_attr->hw_ver[3] = '-';
ad_attr->hw_ver[4] = ioc_attr->asic_rev;
ad_attr->hw_ver[5] = '\0';
ad_attr->cna_capable = ioc->cna;
}
void
bfa_ioc_get_attr(struct bfa_ioc_s *ioc, struct bfa_ioc_attr_s *ioc_attr)
{
bfa_os_memset((void *)ioc_attr, 0, sizeof(struct bfa_ioc_attr_s));
ioc_attr->state = bfa_sm_to_state(ioc_sm_table, ioc->fsm);
ioc_attr->port_id = ioc->port_id;
if (!ioc->ctdev)
ioc_attr->ioc_type = BFA_IOC_TYPE_FC;
else if (ioc->ioc_mc == BFI_MC_IOCFC)
ioc_attr->ioc_type = BFA_IOC_TYPE_FCoE;
else if (ioc->ioc_mc == BFI_MC_LL)
ioc_attr->ioc_type = BFA_IOC_TYPE_LL;
bfa_ioc_get_adapter_attr(ioc, &ioc_attr->adapter_attr);
ioc_attr->pci_attr.device_id = ioc->pcidev.device_id;
ioc_attr->pci_attr.pcifn = ioc->pcidev.pci_func;
ioc_attr->pci_attr.chip_rev[0] = 'R';
ioc_attr->pci_attr.chip_rev[1] = 'e';
ioc_attr->pci_attr.chip_rev[2] = 'v';
ioc_attr->pci_attr.chip_rev[3] = '-';
ioc_attr->pci_attr.chip_rev[4] = ioc_attr->adapter_attr.asic_rev;
ioc_attr->pci_attr.chip_rev[5] = '\0';
}
/**
* hal_wwn_public
*/
wwn_t
bfa_ioc_get_pwwn(struct bfa_ioc_s *ioc)
{
union {
wwn_t wwn;
u8 byte[sizeof(wwn_t)];
}
w;
w.wwn = ioc->attr->mfg_wwn;
if (bfa_ioc_portid(ioc) == 1)
w.byte[7]++;
return w.wwn;
}
wwn_t
bfa_ioc_get_nwwn(struct bfa_ioc_s *ioc)
{
union {
wwn_t wwn;
u8 byte[sizeof(wwn_t)];
}
w;
w.wwn = ioc->attr->mfg_wwn;
if (bfa_ioc_portid(ioc) == 1)
w.byte[7]++;
w.byte[0] = 0x20;
return w.wwn;
}
wwn_t
bfa_ioc_get_wwn_naa5(struct bfa_ioc_s *ioc, u16 inst)
{
union {
wwn_t wwn;
u8 byte[sizeof(wwn_t)];
}
w , w5;
bfa_trc(ioc, inst);
w.wwn = ioc->attr->mfg_wwn;
w5.byte[0] = 0x50 | w.byte[2] >> 4;
w5.byte[1] = w.byte[2] << 4 | w.byte[3] >> 4;
w5.byte[2] = w.byte[3] << 4 | w.byte[4] >> 4;
w5.byte[3] = w.byte[4] << 4 | w.byte[5] >> 4;
w5.byte[4] = w.byte[5] << 4 | w.byte[6] >> 4;
w5.byte[5] = w.byte[6] << 4 | w.byte[7] >> 4;
w5.byte[6] = w.byte[7] << 4 | (inst & 0x0f00) >> 8;
w5.byte[7] = (inst & 0xff);
return w5.wwn;
}
u64
bfa_ioc_get_adid(struct bfa_ioc_s *ioc)
{
return ioc->attr->mfg_wwn;
}
mac_t
bfa_ioc_get_mac(struct bfa_ioc_s *ioc)
{
mac_t mac;
mac = ioc->attr->mfg_mac;
mac.mac[MAC_ADDRLEN - 1] += bfa_ioc_pcifn(ioc);
return mac;
}
void
bfa_ioc_set_fcmode(struct bfa_ioc_s *ioc)
{
ioc->fcmode = BFA_TRUE;
ioc->port_id = bfa_ioc_pcifn(ioc);
}
bfa_boolean_t
bfa_ioc_get_fcmode(struct bfa_ioc_s *ioc)
{
return ioc->fcmode || (ioc->pcidev.device_id != BFA_PCI_DEVICE_ID_CT);
}
/**
* Return true if interrupt should be claimed.
*/
bfa_boolean_t
bfa_ioc_intx_claim(struct bfa_ioc_s *ioc)
{
u32 isr, msk;
/**
* Always claim if not catapult.
*/
if (!ioc->ctdev)
return BFA_TRUE;
/**
* FALSE if next device is claiming interrupt.
* TRUE if next device is not interrupting or not present.
*/
msk = bfa_reg_read(ioc->ioc_regs.shirq_msk_next);
isr = bfa_reg_read(ioc->ioc_regs.shirq_isr_next);
return !(isr & ~msk);
}
/**
* Send AEN notification
*/
static void
bfa_ioc_aen_post(struct bfa_ioc_s *ioc, enum bfa_ioc_aen_event event)
{
union bfa_aen_data_u aen_data;
struct bfa_log_mod_s *logmod = ioc->logm;
s32 inst_num = 0;
struct bfa_ioc_attr_s ioc_attr;
switch (event) {
case BFA_IOC_AEN_HBGOOD:
bfa_log(logmod, BFA_AEN_IOC_HBGOOD, inst_num);
break;
case BFA_IOC_AEN_HBFAIL:
bfa_log(logmod, BFA_AEN_IOC_HBFAIL, inst_num);
break;
case BFA_IOC_AEN_ENABLE:
bfa_log(logmod, BFA_AEN_IOC_ENABLE, inst_num);
break;
case BFA_IOC_AEN_DISABLE:
bfa_log(logmod, BFA_AEN_IOC_DISABLE, inst_num);
break;
case BFA_IOC_AEN_FWMISMATCH:
bfa_log(logmod, BFA_AEN_IOC_FWMISMATCH, inst_num);
break;
default:
break;
}
memset(&aen_data.ioc.pwwn, 0, sizeof(aen_data.ioc.pwwn));
memset(&aen_data.ioc.mac, 0, sizeof(aen_data.ioc.mac));
bfa_ioc_get_attr(ioc, &ioc_attr);
switch (ioc_attr.ioc_type) {
case BFA_IOC_TYPE_FC:
aen_data.ioc.pwwn = bfa_ioc_get_pwwn(ioc);
break;
case BFA_IOC_TYPE_FCoE:
aen_data.ioc.pwwn = bfa_ioc_get_pwwn(ioc);
aen_data.ioc.mac = bfa_ioc_get_mac(ioc);
break;
case BFA_IOC_TYPE_LL:
aen_data.ioc.mac = bfa_ioc_get_mac(ioc);
break;
default:
bfa_assert(ioc_attr.ioc_type == BFA_IOC_TYPE_FC);
break;
}
aen_data.ioc.ioc_type = ioc_attr.ioc_type;
}
/**
* Retrieve saved firmware trace from a prior IOC failure.
*/
bfa_status_t
bfa_ioc_debug_fwsave(struct bfa_ioc_s *ioc, void *trcdata, int *trclen)
{
int tlen;
if (ioc->dbg_fwsave_len == 0)
return BFA_STATUS_ENOFSAVE;
tlen = *trclen;
if (tlen > ioc->dbg_fwsave_len)
tlen = ioc->dbg_fwsave_len;
bfa_os_memcpy(trcdata, ioc->dbg_fwsave, tlen);
*trclen = tlen;
return BFA_STATUS_OK;
}
/**
* Retrieve saved firmware trace from a prior IOC failure.
*/
bfa_status_t
bfa_ioc_debug_fwtrc(struct bfa_ioc_s *ioc, void *trcdata, int *trclen)
{
u32 pgnum;
u32 loff = BFA_DBG_FWTRC_OFF(bfa_ioc_portid(ioc));
int i, tlen;
u32 *tbuf = trcdata, r32;
bfa_trc(ioc, *trclen);
pgnum = bfa_ioc_smem_pgnum(ioc, loff);
loff = bfa_ioc_smem_pgoff(ioc, loff);
bfa_reg_write(ioc->ioc_regs.host_page_num_fn, pgnum);
tlen = *trclen;
if (tlen > BFA_DBG_FWTRC_LEN)
tlen = BFA_DBG_FWTRC_LEN;
tlen /= sizeof(u32);
bfa_trc(ioc, tlen);
for (i = 0; i < tlen; i++) {
r32 = bfa_mem_read(ioc->ioc_regs.smem_page_start, loff);
tbuf[i] = bfa_os_ntohl(r32);
loff += sizeof(u32);
/**
* handle page offset wrap around
*/
loff = PSS_SMEM_PGOFF(loff);
if (loff == 0) {
pgnum++;
bfa_reg_write(ioc->ioc_regs.host_page_num_fn, pgnum);
}
}
bfa_reg_write(ioc->ioc_regs.host_page_num_fn,
bfa_ioc_smem_pgnum(ioc, 0));
bfa_trc(ioc, pgnum);
*trclen = tlen * sizeof(u32);
return BFA_STATUS_OK;
}
/**
* Save firmware trace if configured.
*/
static void
bfa_ioc_debug_save(struct bfa_ioc_s *ioc)
{
int tlen;
if (ioc->dbg_fwsave_len) {
tlen = ioc->dbg_fwsave_len;
bfa_ioc_debug_fwtrc(ioc, ioc->dbg_fwsave, &tlen);
}
}
/**
* Firmware failure detected. Start recovery actions.
*/
static void
bfa_ioc_recover(struct bfa_ioc_s *ioc)
{
if (ioc->dbg_fwsave_once) {
ioc->dbg_fwsave_once = BFA_FALSE;
bfa_ioc_debug_save(ioc);
}
bfa_ioc_stats(ioc, ioc_hbfails);
bfa_fsm_send_event(ioc, IOC_E_HBFAIL);
}
#else
static void
bfa_ioc_aen_post(struct bfa_ioc_s *ioc, enum bfa_ioc_aen_event event)
{
}
static void
bfa_ioc_recover(struct bfa_ioc_s *ioc)
{
bfa_assert(0);
}
#endif