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8919678eaa
linux/drivers/scsi/bfa/bfa_ioc.c
Krishna Gudipati 8919678eaa [SCSI] bfa: Serialize the IOC hw semaphore unlock logic. 
Made changes to ensure only the function that comes first will execute
the IOC hw semaphore unlock logic.
Used IOC init sem register to serialize execution of the unlock logic.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-03-28 09:53:45 +01:00

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/*
* Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include "bfad_drv.h"
#include "bfad_im.h"
#include "bfa_ioc.h"
#include "bfi_reg.h"
#include "bfa_defs.h"
#include "bfa_defs_svc.h"
BFA_TRC_FILE(CNA, IOC);
/*
* IOC local definitions
*/
#define BFA_IOC_TOV 3000 /* msecs */
#define BFA_IOC_HWSEM_TOV 500 /* msecs */
#define BFA_IOC_HB_TOV 500 /* msecs */
#define BFA_IOC_TOV_RECOVER BFA_IOC_HB_TOV
#define BFA_IOC_POLL_TOV BFA_TIMER_FREQ
#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_hb_timer_start(__ioc) \
bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->hb_timer, \
bfa_ioc_hb_check, (__ioc), BFA_IOC_HB_TOV)
#define bfa_hb_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->hb_timer)
#define BFA_DBG_FWTRC_OFF(_fn) (BFI_IOC_TRC_OFF + BFA_DBG_FWTRC_LEN * (_fn))
/*
* Asic specific macros : see bfa_hw_cb.c and bfa_hw_ct.c for details.
*/
#define bfa_ioc_firmware_lock(__ioc) \
((__ioc)->ioc_hwif->ioc_firmware_lock(__ioc))
#define bfa_ioc_firmware_unlock(__ioc) \
((__ioc)->ioc_hwif->ioc_firmware_unlock(__ioc))
#define bfa_ioc_reg_init(__ioc) ((__ioc)->ioc_hwif->ioc_reg_init(__ioc))
#define bfa_ioc_map_port(__ioc) ((__ioc)->ioc_hwif->ioc_map_port(__ioc))
#define bfa_ioc_notify_fail(__ioc) \
((__ioc)->ioc_hwif->ioc_notify_fail(__ioc))
#define bfa_ioc_sync_start(__ioc) \
((__ioc)->ioc_hwif->ioc_sync_start(__ioc))
#define bfa_ioc_sync_join(__ioc) \
((__ioc)->ioc_hwif->ioc_sync_join(__ioc))
#define bfa_ioc_sync_leave(__ioc) \
((__ioc)->ioc_hwif->ioc_sync_leave(__ioc))
#define bfa_ioc_sync_ack(__ioc) \
((__ioc)->ioc_hwif->ioc_sync_ack(__ioc))
#define bfa_ioc_sync_complete(__ioc) \
((__ioc)->ioc_hwif->ioc_sync_complete(__ioc))
#define bfa_ioc_mbox_cmd_pending(__ioc) \
(!list_empty(&((__ioc)->mbox_mod.cmd_q)) || \
readl((__ioc)->ioc_regs.hfn_mbox_cmd))
bfa_boolean_t bfa_auto_recover = BFA_TRUE;
/*
* forward declarations
*/
static void bfa_ioc_hw_sem_get(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_poll_fwinit(struct bfa_ioc_s *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_mbox_poll(struct bfa_ioc_s *ioc);
static void bfa_ioc_mbox_flush(struct bfa_ioc_s *ioc);
static void bfa_ioc_recover(struct bfa_ioc_s *ioc);
static void bfa_ioc_check_attr_wwns(struct bfa_ioc_s *ioc);
static void bfa_ioc_event_notify(struct bfa_ioc_s *ioc ,
enum bfa_ioc_event_e event);
static void bfa_ioc_disable_comp(struct bfa_ioc_s *ioc);
static void bfa_ioc_lpu_stop(struct bfa_ioc_s *ioc);
static void bfa_ioc_debug_save_ftrc(struct bfa_ioc_s *ioc);
static void bfa_ioc_fail_notify(struct bfa_ioc_s *ioc);
static void bfa_ioc_pf_fwmismatch(struct bfa_ioc_s *ioc);
/*
* IOC state machine definitions/declarations
*/
enum ioc_event {
IOC_E_RESET = 1, /* IOC reset request */
IOC_E_ENABLE = 2, /* IOC enable request */
IOC_E_DISABLE = 3, /* IOC disable request */
IOC_E_DETACH = 4, /* driver detach cleanup */
IOC_E_ENABLED = 5, /* f/w enabled */
IOC_E_FWRSP_GETATTR = 6, /* IOC get attribute response */
IOC_E_DISABLED = 7, /* f/w disabled */
IOC_E_PFFAILED = 8, /* failure notice by iocpf sm */
IOC_E_HBFAIL = 9, /* heartbeat failure */
IOC_E_HWERROR = 10, /* hardware error interrupt */
IOC_E_TIMEOUT = 11, /* timeout */
IOC_E_HWFAILED = 12, /* PCI mapping failure notice */
IOC_E_FWRSP_ACQ_ADDR = 13, /* Acquiring address */
};
bfa_fsm_state_decl(bfa_ioc, uninit, struct bfa_ioc_s, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, reset, 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, fail_retry, struct bfa_ioc_s, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, fail, 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);
bfa_fsm_state_decl(bfa_ioc, hwfail, struct bfa_ioc_s, enum ioc_event);
bfa_fsm_state_decl(bfa_ioc, acq_addr, struct bfa_ioc_s, enum ioc_event);
static struct bfa_sm_table_s ioc_sm_table[] = {
{BFA_SM(bfa_ioc_sm_uninit), BFA_IOC_UNINIT},
{BFA_SM(bfa_ioc_sm_reset), BFA_IOC_RESET},
{BFA_SM(bfa_ioc_sm_enabling), BFA_IOC_ENABLING},
{BFA_SM(bfa_ioc_sm_getattr), BFA_IOC_GETATTR},
{BFA_SM(bfa_ioc_sm_op), BFA_IOC_OPERATIONAL},
{BFA_SM(bfa_ioc_sm_fail_retry), BFA_IOC_INITFAIL},
{BFA_SM(bfa_ioc_sm_fail), BFA_IOC_FAIL},
{BFA_SM(bfa_ioc_sm_disabling), BFA_IOC_DISABLING},
{BFA_SM(bfa_ioc_sm_disabled), BFA_IOC_DISABLED},
{BFA_SM(bfa_ioc_sm_hwfail), BFA_IOC_HWFAIL},
{BFA_SM(bfa_ioc_sm_acq_addr), BFA_IOC_ACQ_ADDR},
};
/*
* IOCPF state machine definitions/declarations
*/
#define bfa_iocpf_timer_start(__ioc) \
bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->ioc_timer, \
bfa_iocpf_timeout, (__ioc), BFA_IOC_TOV)
#define bfa_iocpf_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->ioc_timer)
#define bfa_iocpf_poll_timer_start(__ioc) \
bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->ioc_timer, \
bfa_iocpf_poll_timeout, (__ioc), BFA_IOC_POLL_TOV)
#define bfa_sem_timer_start(__ioc) \
bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->sem_timer, \
bfa_iocpf_sem_timeout, (__ioc), BFA_IOC_HWSEM_TOV)
#define bfa_sem_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->sem_timer)
/*
* Forward declareations for iocpf state machine
*/
static void bfa_iocpf_timeout(void *ioc_arg);
static void bfa_iocpf_sem_timeout(void *ioc_arg);
static void bfa_iocpf_poll_timeout(void *ioc_arg);
/*
* IOCPF state machine events
*/
enum iocpf_event {
IOCPF_E_ENABLE = 1, /* IOCPF enable request */
IOCPF_E_DISABLE = 2, /* IOCPF disable request */
IOCPF_E_STOP = 3, /* stop on driver detach */
IOCPF_E_FWREADY = 4, /* f/w initialization done */
IOCPF_E_FWRSP_ENABLE = 5, /* enable f/w response */
IOCPF_E_FWRSP_DISABLE = 6, /* disable f/w response */
IOCPF_E_FAIL = 7, /* failure notice by ioc sm */
IOCPF_E_INITFAIL = 8, /* init fail notice by ioc sm */
IOCPF_E_GETATTRFAIL = 9, /* init fail notice by ioc sm */
IOCPF_E_SEMLOCKED = 10, /* h/w semaphore is locked */
IOCPF_E_TIMEOUT = 11, /* f/w response timeout */
IOCPF_E_SEM_ERROR = 12, /* h/w sem mapping error */
};
/*
* IOCPF states
*/
enum bfa_iocpf_state {
BFA_IOCPF_RESET = 1, /* IOC is in reset state */
BFA_IOCPF_SEMWAIT = 2, /* Waiting for IOC h/w semaphore */
BFA_IOCPF_HWINIT = 3, /* IOC h/w is being initialized */
BFA_IOCPF_READY = 4, /* IOCPF is initialized */
BFA_IOCPF_INITFAIL = 5, /* IOCPF failed */
BFA_IOCPF_FAIL = 6, /* IOCPF failed */
BFA_IOCPF_DISABLING = 7, /* IOCPF is being disabled */
BFA_IOCPF_DISABLED = 8, /* IOCPF is disabled */
BFA_IOCPF_FWMISMATCH = 9, /* IOC f/w different from drivers */
};
bfa_fsm_state_decl(bfa_iocpf, reset, struct bfa_iocpf_s, enum iocpf_event);
bfa_fsm_state_decl(bfa_iocpf, fwcheck, struct bfa_iocpf_s, enum iocpf_event);
bfa_fsm_state_decl(bfa_iocpf, mismatch, struct bfa_iocpf_s, enum iocpf_event);
bfa_fsm_state_decl(bfa_iocpf, semwait, struct bfa_iocpf_s, enum iocpf_event);
bfa_fsm_state_decl(bfa_iocpf, hwinit, struct bfa_iocpf_s, enum iocpf_event);
bfa_fsm_state_decl(bfa_iocpf, enabling, struct bfa_iocpf_s, enum iocpf_event);
bfa_fsm_state_decl(bfa_iocpf, ready, struct bfa_iocpf_s, enum iocpf_event);
bfa_fsm_state_decl(bfa_iocpf, initfail_sync, struct bfa_iocpf_s,
enum iocpf_event);
bfa_fsm_state_decl(bfa_iocpf, initfail, struct bfa_iocpf_s, enum iocpf_event);
bfa_fsm_state_decl(bfa_iocpf, fail_sync, struct bfa_iocpf_s, enum iocpf_event);
bfa_fsm_state_decl(bfa_iocpf, fail, struct bfa_iocpf_s, enum iocpf_event);
bfa_fsm_state_decl(bfa_iocpf, disabling, struct bfa_iocpf_s, enum iocpf_event);
bfa_fsm_state_decl(bfa_iocpf, disabling_sync, struct bfa_iocpf_s,
enum iocpf_event);
bfa_fsm_state_decl(bfa_iocpf, disabled, struct bfa_iocpf_s, enum iocpf_event);
static struct bfa_sm_table_s iocpf_sm_table[] = {
{BFA_SM(bfa_iocpf_sm_reset), BFA_IOCPF_RESET},
{BFA_SM(bfa_iocpf_sm_fwcheck), BFA_IOCPF_FWMISMATCH},
{BFA_SM(bfa_iocpf_sm_mismatch), BFA_IOCPF_FWMISMATCH},
{BFA_SM(bfa_iocpf_sm_semwait), BFA_IOCPF_SEMWAIT},
{BFA_SM(bfa_iocpf_sm_hwinit), BFA_IOCPF_HWINIT},
{BFA_SM(bfa_iocpf_sm_enabling), BFA_IOCPF_HWINIT},
{BFA_SM(bfa_iocpf_sm_ready), BFA_IOCPF_READY},
{BFA_SM(bfa_iocpf_sm_initfail_sync), BFA_IOCPF_INITFAIL},
{BFA_SM(bfa_iocpf_sm_initfail), BFA_IOCPF_INITFAIL},
{BFA_SM(bfa_iocpf_sm_fail_sync), BFA_IOCPF_FAIL},
{BFA_SM(bfa_iocpf_sm_fail), BFA_IOCPF_FAIL},
{BFA_SM(bfa_iocpf_sm_disabling), BFA_IOCPF_DISABLING},
{BFA_SM(bfa_iocpf_sm_disabling_sync), BFA_IOCPF_DISABLING},
{BFA_SM(bfa_iocpf_sm_disabled), BFA_IOCPF_DISABLED},
};
/*
* IOC State Machine
*/
/*
* Beginning state. IOC uninit state.
*/
static void
bfa_ioc_sm_uninit_entry(struct bfa_ioc_s *ioc)
{
}
/*
* IOC is in uninit state.
*/
static void
bfa_ioc_sm_uninit(struct bfa_ioc_s *ioc, enum ioc_event event)
{
bfa_trc(ioc, event);
switch (event) {
case IOC_E_RESET:
bfa_fsm_set_state(ioc, bfa_ioc_sm_reset);
break;
default:
bfa_sm_fault(ioc, event);
}
}
/*
* Reset entry actions -- initialize state machine
*/
static void
bfa_ioc_sm_reset_entry(struct bfa_ioc_s *ioc)
{
bfa_fsm_set_state(&ioc->iocpf, bfa_iocpf_sm_reset);
}
/*
* 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_enabling);
break;
case IOC_E_DISABLE:
bfa_ioc_disable_comp(ioc);
break;
case IOC_E_DETACH:
bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
break;
default:
bfa_sm_fault(ioc, event);
}
}
static void
bfa_ioc_sm_enabling_entry(struct bfa_ioc_s *ioc)
{
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_ENABLE);
}
/*
* 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_ENABLED:
bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr);
break;
case IOC_E_PFFAILED:
/* !!! fall through !!! */
case IOC_E_HWERROR:
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
bfa_fsm_set_state(ioc, bfa_ioc_sm_fail);
if (event != IOC_E_PFFAILED)
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL);
break;
case IOC_E_HWFAILED:
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail);
break;
case IOC_E_DISABLE:
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
break;
case IOC_E_DETACH:
bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP);
break;
case IOC_E_ENABLE:
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_ioc_check_attr_wwns(ioc);
bfa_ioc_hb_monitor(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_op);
break;
case IOC_E_FWRSP_ACQ_ADDR:
bfa_ioc_timer_stop(ioc);
bfa_ioc_hb_monitor(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_acq_addr);
break;
case IOC_E_PFFAILED:
case IOC_E_HWERROR:
bfa_ioc_timer_stop(ioc);
/* !!! fall through !!! */
case IOC_E_TIMEOUT:
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
bfa_fsm_set_state(ioc, bfa_ioc_sm_fail);
if (event != IOC_E_PFFAILED)
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_GETATTRFAIL);
break;
case IOC_E_DISABLE:
bfa_ioc_timer_stop(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
break;
case IOC_E_ENABLE:
break;
default:
bfa_sm_fault(ioc, event);
}
}
/*
* Acquiring address from fabric (entry function)
*/
static void
bfa_ioc_sm_acq_addr_entry(struct bfa_ioc_s *ioc)
{
}
/*
* Acquiring address from the fabric
*/
static void
bfa_ioc_sm_acq_addr(struct bfa_ioc_s *ioc, enum ioc_event event)
{
bfa_trc(ioc, event);
switch (event) {
case IOC_E_FWRSP_GETATTR:
bfa_ioc_check_attr_wwns(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_op);
break;
case IOC_E_PFFAILED:
case IOC_E_HWERROR:
bfa_hb_timer_stop(ioc);
case IOC_E_HBFAIL:
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
bfa_fsm_set_state(ioc, bfa_ioc_sm_fail);
if (event != IOC_E_PFFAILED)
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_GETATTRFAIL);
break;
case IOC_E_DISABLE:
bfa_hb_timer_stop(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
break;
case IOC_E_ENABLE:
break;
default:
bfa_sm_fault(ioc, event);
}
}
static void
bfa_ioc_sm_op_entry(struct bfa_ioc_s *ioc)
{
struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad;
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_OK);
bfa_ioc_event_notify(ioc, BFA_IOC_E_ENABLED);
BFA_LOG(KERN_INFO, bfad, bfa_log_level, "IOC enabled\n");
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_hb_timer_stop(ioc);
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
break;
case IOC_E_PFFAILED:
case IOC_E_HWERROR:
bfa_hb_timer_stop(ioc);
/* !!! fall through !!! */
case IOC_E_HBFAIL:
if (ioc->iocpf.auto_recover)
bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry);
else
bfa_fsm_set_state(ioc, bfa_ioc_sm_fail);
bfa_ioc_fail_notify(ioc);
if (event != IOC_E_PFFAILED)
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL);
break;
default:
bfa_sm_fault(ioc, event);
}
}
static void
bfa_ioc_sm_disabling_entry(struct bfa_ioc_s *ioc)
{
struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad;
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_DISABLE);
BFA_LOG(KERN_INFO, bfad, bfa_log_level, "IOC disabled\n");
bfa_ioc_aen_post(ioc, BFA_IOC_AEN_DISABLE);
}
/*
* 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_DISABLED:
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled);
break;
case IOC_E_HWERROR:
/*
* No state change. Will move to disabled state
* after iocpf sm completes failure processing and
* moves to disabled state.
*/
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL);
break;
case IOC_E_HWFAILED:
bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail);
bfa_ioc_disable_comp(ioc);
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_enabling);
break;
case IOC_E_DISABLE:
ioc->cbfn->disable_cbfn(ioc->bfa);
break;
case IOC_E_DETACH:
bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP);
break;
default:
bfa_sm_fault(ioc, event);
}
}
static void
bfa_ioc_sm_fail_retry_entry(struct bfa_ioc_s *ioc)
{
bfa_trc(ioc, 0);
}
/*
* Hardware initialization retry.
*/
static void
bfa_ioc_sm_fail_retry(struct bfa_ioc_s *ioc, enum ioc_event event)
{
bfa_trc(ioc, event);
switch (event) {
case IOC_E_ENABLED:
bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr);
break;
case IOC_E_PFFAILED:
case IOC_E_HWERROR:
/*
* Initialization retry failed.
*/
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
bfa_fsm_set_state(ioc, bfa_ioc_sm_fail);
if (event != IOC_E_PFFAILED)
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL);
break;
case IOC_E_HWFAILED:
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail);
break;
case IOC_E_ENABLE:
break;
case IOC_E_DISABLE:
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
break;
case IOC_E_DETACH:
bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP);
break;
default:
bfa_sm_fault(ioc, event);
}
}
static void
bfa_ioc_sm_fail_entry(struct bfa_ioc_s *ioc)
{
bfa_trc(ioc, 0);
}
/*
* IOC failure.
*/
static void
bfa_ioc_sm_fail(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:
bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
break;
case IOC_E_DETACH:
bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP);
break;
case IOC_E_HWERROR:
/*
* HB failure notification, ignore.
*/
break;
default:
bfa_sm_fault(ioc, event);
}
}
static void
bfa_ioc_sm_hwfail_entry(struct bfa_ioc_s *ioc)
{
bfa_trc(ioc, 0);
}
static void
bfa_ioc_sm_hwfail(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:
ioc->cbfn->disable_cbfn(ioc->bfa);
break;
case IOC_E_DETACH:
bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
break;
default:
bfa_sm_fault(ioc, event);
}
}
/*
* IOCPF State Machine
*/
/*
* Reset entry actions -- initialize state machine
*/
static void
bfa_iocpf_sm_reset_entry(struct bfa_iocpf_s *iocpf)
{
iocpf->fw_mismatch_notified = BFA_FALSE;
iocpf->auto_recover = bfa_auto_recover;
}
/*
* Beginning state. IOC is in reset state.
*/
static void
bfa_iocpf_sm_reset(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
{
struct bfa_ioc_s *ioc = iocpf->ioc;
bfa_trc(ioc, event);
switch (event) {
case IOCPF_E_ENABLE:
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck);
break;
case IOCPF_E_STOP:
break;
default:
bfa_sm_fault(ioc, event);
}
}
/*
* Semaphore should be acquired for version check.
*/
static void
bfa_iocpf_sm_fwcheck_entry(struct bfa_iocpf_s *iocpf)
{
struct bfi_ioc_image_hdr_s fwhdr;
u32 r32, fwstate, pgnum, pgoff, loff = 0;
int i;
/*
* Spin on init semaphore to serialize.
*/
r32 = readl(iocpf->ioc->ioc_regs.ioc_init_sem_reg);
while (r32 & 0x1) {
udelay(20);
r32 = readl(iocpf->ioc->ioc_regs.ioc_init_sem_reg);
}
/* h/w sem init */
fwstate = readl(iocpf->ioc->ioc_regs.ioc_fwstate);
if (fwstate == BFI_IOC_UNINIT) {
writel(1, iocpf->ioc->ioc_regs.ioc_init_sem_reg);
goto sem_get;
}
bfa_ioc_fwver_get(iocpf->ioc, &fwhdr);
if (swab32(fwhdr.exec) == BFI_FWBOOT_TYPE_NORMAL) {
writel(1, iocpf->ioc->ioc_regs.ioc_init_sem_reg);
goto sem_get;
}
/*
* Clear fwver hdr
*/
pgnum = PSS_SMEM_PGNUM(iocpf->ioc->ioc_regs.smem_pg0, loff);
pgoff = PSS_SMEM_PGOFF(loff);
writel(pgnum, iocpf->ioc->ioc_regs.host_page_num_fn);
for (i = 0; i < sizeof(struct bfi_ioc_image_hdr_s) / sizeof(u32); i++) {
bfa_mem_write(iocpf->ioc->ioc_regs.smem_page_start, loff, 0);
loff += sizeof(u32);
}
bfa_trc(iocpf->ioc, fwstate);
bfa_trc(iocpf->ioc, swab32(fwhdr.exec));
writel(BFI_IOC_UNINIT, iocpf->ioc->ioc_regs.ioc_fwstate);
writel(BFI_IOC_UNINIT, iocpf->ioc->ioc_regs.alt_ioc_fwstate);
/*
* Unlock the hw semaphore. Should be here only once per boot.
*/
readl(iocpf->ioc->ioc_regs.ioc_sem_reg);
writel(1, iocpf->ioc->ioc_regs.ioc_sem_reg);
/*
* unlock init semaphore.
*/
writel(1, iocpf->ioc->ioc_regs.ioc_init_sem_reg);
sem_get:
bfa_ioc_hw_sem_get(iocpf->ioc);
}
/*
* Awaiting h/w semaphore to continue with version check.
*/
static void
bfa_iocpf_sm_fwcheck(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
{
struct bfa_ioc_s *ioc = iocpf->ioc;
bfa_trc(ioc, event);
switch (event) {
case IOCPF_E_SEMLOCKED:
if (bfa_ioc_firmware_lock(ioc)) {
if (bfa_ioc_sync_start(ioc)) {
bfa_ioc_sync_join(ioc);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit);
} else {
bfa_ioc_firmware_unlock(ioc);
writel(1, ioc->ioc_regs.ioc_sem_reg);
bfa_sem_timer_start(ioc);
}
} else {
writel(1, ioc->ioc_regs.ioc_sem_reg);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_mismatch);
}
break;
case IOCPF_E_SEM_ERROR:
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
bfa_fsm_send_event(ioc, IOC_E_HWFAILED);
break;
case IOCPF_E_DISABLE:
bfa_sem_timer_stop(ioc);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
bfa_fsm_send_event(ioc, IOC_E_DISABLED);
break;
case IOCPF_E_STOP:
bfa_sem_timer_stop(ioc);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
break;
default:
bfa_sm_fault(ioc, event);
}
}
/*
* Notify enable completion callback.
*/
static void
bfa_iocpf_sm_mismatch_entry(struct bfa_iocpf_s *iocpf)
{
/*
* Call only the first time sm enters fwmismatch state.
*/
if (iocpf->fw_mismatch_notified == BFA_FALSE)
bfa_ioc_pf_fwmismatch(iocpf->ioc);
iocpf->fw_mismatch_notified = BFA_TRUE;
bfa_iocpf_timer_start(iocpf->ioc);
}
/*
* Awaiting firmware version match.
*/
static void
bfa_iocpf_sm_mismatch(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
{
struct bfa_ioc_s *ioc = iocpf->ioc;
bfa_trc(ioc, event);
switch (event) {
case IOCPF_E_TIMEOUT:
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck);
break;
case IOCPF_E_DISABLE:
bfa_iocpf_timer_stop(ioc);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
bfa_fsm_send_event(ioc, IOC_E_DISABLED);
break;
case IOCPF_E_STOP:
bfa_iocpf_timer_stop(ioc);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
break;
default:
bfa_sm_fault(ioc, event);
}
}
/*
* Request for semaphore.
*/
static void
bfa_iocpf_sm_semwait_entry(struct bfa_iocpf_s *iocpf)
{
bfa_ioc_hw_sem_get(iocpf->ioc);
}
/*
* Awaiting semaphore for h/w initialzation.
*/
static void
bfa_iocpf_sm_semwait(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
{
struct bfa_ioc_s *ioc = iocpf->ioc;
bfa_trc(ioc, event);
switch (event) {
case IOCPF_E_SEMLOCKED:
if (bfa_ioc_sync_complete(ioc)) {
bfa_ioc_sync_join(ioc);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit);
} else {
writel(1, ioc->ioc_regs.ioc_sem_reg);
bfa_sem_timer_start(ioc);
}
break;
case IOCPF_E_SEM_ERROR:
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
bfa_fsm_send_event(ioc, IOC_E_HWFAILED);
break;
case IOCPF_E_DISABLE:
bfa_sem_timer_stop(ioc);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
break;
default:
bfa_sm_fault(ioc, event);
}
}
static void
bfa_iocpf_sm_hwinit_entry(struct bfa_iocpf_s *iocpf)
{
iocpf->poll_time = 0;
bfa_ioc_hwinit(iocpf->ioc, BFA_FALSE);
}
/*
* Hardware is being initialized. Interrupts are enabled.
* Holding hardware semaphore lock.
*/
static void
bfa_iocpf_sm_hwinit(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
{
struct bfa_ioc_s *ioc = iocpf->ioc;
bfa_trc(ioc, event);
switch (event) {
case IOCPF_E_FWREADY:
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_enabling);
break;
case IOCPF_E_TIMEOUT:
writel(1, ioc->ioc_regs.ioc_sem_reg);
bfa_fsm_send_event(ioc, IOC_E_PFFAILED);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync);
break;
case IOCPF_E_DISABLE:
bfa_iocpf_timer_stop(ioc);
bfa_ioc_sync_leave(ioc);
writel(1, ioc->ioc_regs.ioc_sem_reg);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled);
break;
default:
bfa_sm_fault(ioc, event);
}
}
static void
bfa_iocpf_sm_enabling_entry(struct bfa_iocpf_s *iocpf)
{
bfa_iocpf_timer_start(iocpf->ioc);
/*
* Enable Interrupts before sending fw IOC ENABLE cmd.
*/
iocpf->ioc->cbfn->reset_cbfn(iocpf->ioc->bfa);
bfa_ioc_send_enable(iocpf->ioc);
}
/*
* Host IOC function is being enabled, awaiting response from firmware.
* Semaphore is acquired.
*/
static void
bfa_iocpf_sm_enabling(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
{
struct bfa_ioc_s *ioc = iocpf->ioc;
bfa_trc(ioc, event);
switch (event) {
case IOCPF_E_FWRSP_ENABLE:
bfa_iocpf_timer_stop(ioc);
writel(1, ioc->ioc_regs.ioc_sem_reg);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_ready);
break;
case IOCPF_E_INITFAIL:
bfa_iocpf_timer_stop(ioc);
/*
* !!! fall through !!!
*/
case IOCPF_E_TIMEOUT:
writel(1, ioc->ioc_regs.ioc_sem_reg);
if (event == IOCPF_E_TIMEOUT)
bfa_fsm_send_event(ioc, IOC_E_PFFAILED);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync);
break;
case IOCPF_E_DISABLE:
bfa_iocpf_timer_stop(ioc);
writel(1, ioc->ioc_regs.ioc_sem_reg);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling);
break;
default:
bfa_sm_fault(ioc, event);
}
}
static void
bfa_iocpf_sm_ready_entry(struct bfa_iocpf_s *iocpf)
{
bfa_fsm_send_event(iocpf->ioc, IOC_E_ENABLED);
}
static void
bfa_iocpf_sm_ready(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
{
struct bfa_ioc_s *ioc = iocpf->ioc;
bfa_trc(ioc, event);
switch (event) {
case IOCPF_E_DISABLE:
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling);
break;
case IOCPF_E_GETATTRFAIL:
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync);
break;
case IOCPF_E_FAIL:
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail_sync);
break;
default:
bfa_sm_fault(ioc, event);
}
}
static void
bfa_iocpf_sm_disabling_entry(struct bfa_iocpf_s *iocpf)
{
bfa_iocpf_timer_start(iocpf->ioc);
bfa_ioc_send_disable(iocpf->ioc);
}
/*
* IOC is being disabled
*/
static void
bfa_iocpf_sm_disabling(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
{
struct bfa_ioc_s *ioc = iocpf->ioc;
bfa_trc(ioc, event);
switch (event) {
case IOCPF_E_FWRSP_DISABLE:
bfa_iocpf_timer_stop(ioc);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
break;
case IOCPF_E_FAIL:
bfa_iocpf_timer_stop(ioc);
/*
* !!! fall through !!!
*/
case IOCPF_E_TIMEOUT:
writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
break;
case IOCPF_E_FWRSP_ENABLE:
break;
default:
bfa_sm_fault(ioc, event);
}
}
static void
bfa_iocpf_sm_disabling_sync_entry(struct bfa_iocpf_s *iocpf)
{
bfa_ioc_hw_sem_get(iocpf->ioc);
}
/*
* IOC hb ack request is being removed.
*/
static void
bfa_iocpf_sm_disabling_sync(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
{
struct bfa_ioc_s *ioc = iocpf->ioc;
bfa_trc(ioc, event);
switch (event) {
case IOCPF_E_SEMLOCKED:
bfa_ioc_sync_leave(ioc);
writel(1, ioc->ioc_regs.ioc_sem_reg);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled);
break;
case IOCPF_E_SEM_ERROR:
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
bfa_fsm_send_event(ioc, IOC_E_HWFAILED);
break;
case IOCPF_E_FAIL:
break;
default:
bfa_sm_fault(ioc, event);
}
}
/*
* IOC disable completion entry.
*/
static void
bfa_iocpf_sm_disabled_entry(struct bfa_iocpf_s *iocpf)
{
bfa_ioc_mbox_flush(iocpf->ioc);
bfa_fsm_send_event(iocpf->ioc, IOC_E_DISABLED);
}
static void
bfa_iocpf_sm_disabled(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
{
struct bfa_ioc_s *ioc = iocpf->ioc;
bfa_trc(ioc, event);
switch (event) {
case IOCPF_E_ENABLE:
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait);
break;
case IOCPF_E_STOP:
bfa_ioc_firmware_unlock(ioc);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
break;
default:
bfa_sm_fault(ioc, event);
}
}
static void
bfa_iocpf_sm_initfail_sync_entry(struct bfa_iocpf_s *iocpf)
{
bfa_ioc_debug_save_ftrc(iocpf->ioc);
bfa_ioc_hw_sem_get(iocpf->ioc);
}
/*
* Hardware initialization failed.
*/
static void
bfa_iocpf_sm_initfail_sync(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
{
struct bfa_ioc_s *ioc = iocpf->ioc;
bfa_trc(ioc, event);
switch (event) {
case IOCPF_E_SEMLOCKED:
bfa_ioc_notify_fail(ioc);
bfa_ioc_sync_leave(ioc);
writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate);
writel(1, ioc->ioc_regs.ioc_sem_reg);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail);
break;
case IOCPF_E_SEM_ERROR:
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
bfa_fsm_send_event(ioc, IOC_E_HWFAILED);
break;
case IOCPF_E_DISABLE:
bfa_sem_timer_stop(ioc);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
break;
case IOCPF_E_STOP:
bfa_sem_timer_stop(ioc);
bfa_ioc_firmware_unlock(ioc);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
break;
case IOCPF_E_FAIL:
break;
default:
bfa_sm_fault(ioc, event);
}
}
static void
bfa_iocpf_sm_initfail_entry(struct bfa_iocpf_s *iocpf)
{
bfa_trc(iocpf->ioc, 0);
}
/*
* Hardware initialization failed.
*/
static void
bfa_iocpf_sm_initfail(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
{
struct bfa_ioc_s *ioc = iocpf->ioc;
bfa_trc(ioc, event);
switch (event) {
case IOCPF_E_DISABLE:
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled);
break;
case IOCPF_E_STOP:
bfa_ioc_firmware_unlock(ioc);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
break;
default:
bfa_sm_fault(ioc, event);
}
}
static void
bfa_iocpf_sm_fail_sync_entry(struct bfa_iocpf_s *iocpf)
{
/*
* Mark IOC as failed in hardware and stop firmware.
*/
bfa_ioc_lpu_stop(iocpf->ioc);
/*
* Flush any queued up mailbox requests.
*/
bfa_ioc_mbox_flush(iocpf->ioc);
bfa_ioc_hw_sem_get(iocpf->ioc);
}
static void
bfa_iocpf_sm_fail_sync(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
{
struct bfa_ioc_s *ioc = iocpf->ioc;
bfa_trc(ioc, event);
switch (event) {
case IOCPF_E_SEMLOCKED:
bfa_ioc_sync_ack(ioc);
bfa_ioc_notify_fail(ioc);
if (!iocpf->auto_recover) {
bfa_ioc_sync_leave(ioc);
writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate);
writel(1, ioc->ioc_regs.ioc_sem_reg);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
} else {
if (bfa_ioc_sync_complete(ioc))
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit);
else {
writel(1, ioc->ioc_regs.ioc_sem_reg);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait);
}
}
break;
case IOCPF_E_SEM_ERROR:
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
bfa_fsm_send_event(ioc, IOC_E_HWFAILED);
break;
case IOCPF_E_DISABLE:
bfa_sem_timer_stop(ioc);
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
break;
case IOCPF_E_FAIL:
break;
default:
bfa_sm_fault(ioc, event);
}
}
static void
bfa_iocpf_sm_fail_entry(struct bfa_iocpf_s *iocpf)
{
bfa_trc(iocpf->ioc, 0);
}
/*
* IOC is in failed state.
*/
static void
bfa_iocpf_sm_fail(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
{
struct bfa_ioc_s *ioc = iocpf->ioc;
bfa_trc(ioc, event);
switch (event) {
case IOCPF_E_DISABLE:
bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled);
break;
default:
bfa_sm_fault(ioc, event);
}
}
/*
* BFA IOC private functions
*/
/*
* Notify common modules registered for notification.
*/
static void
bfa_ioc_event_notify(struct bfa_ioc_s *ioc, enum bfa_ioc_event_e event)
{
struct bfa_ioc_notify_s *notify;
struct list_head *qe;
list_for_each(qe, &ioc->notify_q) {
notify = (struct bfa_ioc_notify_s *)qe;
notify->cbfn(notify->cbarg, event);
}
}
static void
bfa_ioc_disable_comp(struct bfa_ioc_s *ioc)
{
ioc->cbfn->disable_cbfn(ioc->bfa);
bfa_ioc_event_notify(ioc, BFA_IOC_E_DISABLED);
}
bfa_boolean_t
bfa_ioc_sem_get(void __iomem *sem_reg)
{
u32 r32;
int cnt = 0;
#define BFA_SEM_SPINCNT 3000
r32 = readl(sem_reg);
while ((r32 & 1) && (cnt < BFA_SEM_SPINCNT)) {
cnt++;
udelay(2);
r32 = readl(sem_reg);
}
if (!(r32 & 1))
return BFA_TRUE;
return BFA_FALSE;
}
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 1 to the register
*/
r32 = readl(ioc->ioc_regs.ioc_sem_reg);
if (r32 == ~0) {
WARN_ON(r32 == ~0);
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEM_ERROR);
return;
}
if (!(r32 & 1)) {
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEMLOCKED);
return;
}
bfa_sem_timer_start(ioc);
}
/*
* 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 = readl(ioc->ioc_regs.pss_ctl_reg);
pss_ctl &= ~__PSS_LMEM_RESET;
pss_ctl |= __PSS_LMEM_INIT_EN;
/*
* i2c workaround 12.5khz clock
*/
pss_ctl |= __PSS_I2C_CLK_DIV(3UL);
writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg);
/*
* wait for memory initialization to be complete
*/
i = 0;
do {
pss_ctl = readl(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.
*/
WARN_ON(!(pss_ctl & __PSS_LMEM_INIT_DONE));
bfa_trc(ioc, pss_ctl);
pss_ctl &= ~(__PSS_LMEM_INIT_DONE | __PSS_LMEM_INIT_EN);
writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg);
}
static void
bfa_ioc_lpu_start(struct bfa_ioc_s *ioc)
{
u32 pss_ctl;
/*
* Take processor out of reset.
*/
pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg);
pss_ctl &= ~__PSS_LPU0_RESET;
writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg);
}
static void
bfa_ioc_lpu_stop(struct bfa_ioc_s *ioc)
{
u32 pss_ctl;
/*
* Put processors in reset.
*/
pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg);
pss_ctl |= (__PSS_LPU0_RESET | __PSS_LPU1_RESET);
writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg);
}
/*
* Get driver and firmware versions.
*/
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 = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, loff);
pgoff = PSS_SMEM_PGOFF(loff);
writel(pgnum, ioc->ioc_regs.host_page_num_fn);
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);
}
}
/*
* Returns TRUE if same.
*/
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_cb_image_get_chunk(bfa_ioc_asic_gen(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, u32 boot_env)
{
struct bfi_ioc_image_hdr_s fwhdr, *drv_fwhdr;
bfa_ioc_fwver_get(ioc, &fwhdr);
drv_fwhdr = (struct bfi_ioc_image_hdr_s *)
bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), 0);
if (fwhdr.signature != drv_fwhdr->signature) {
bfa_trc(ioc, fwhdr.signature);
bfa_trc(ioc, drv_fwhdr->signature);
return BFA_FALSE;
}
if (swab32(fwhdr.bootenv) != boot_env) {
bfa_trc(ioc, fwhdr.bootenv);
bfa_trc(ioc, boot_env);
return BFA_FALSE;
}
return bfa_ioc_fwver_cmp(ioc, &fwhdr);
}
/*
* Conditionally flush any pending message from firmware at start.
*/
static void
bfa_ioc_msgflush(struct bfa_ioc_s *ioc)
{
u32 r32;
r32 = readl(ioc->ioc_regs.lpu_mbox_cmd);
if (r32)
writel(1, ioc->ioc_regs.lpu_mbox_cmd);
}
static void
bfa_ioc_hwinit(struct bfa_ioc_s *ioc, bfa_boolean_t force)
{
enum bfi_ioc_state ioc_fwstate;
bfa_boolean_t fwvalid;
u32 boot_type;
u32 boot_env;
ioc_fwstate = readl(ioc->ioc_regs.ioc_fwstate);
if (force)
ioc_fwstate = BFI_IOC_UNINIT;
bfa_trc(ioc, ioc_fwstate);
boot_type = BFI_FWBOOT_TYPE_NORMAL;
boot_env = BFI_FWBOOT_ENV_OS;
/*
* check if firmware is valid
*/
fwvalid = (ioc_fwstate == BFI_IOC_UNINIT) ?
BFA_FALSE : bfa_ioc_fwver_valid(ioc, boot_env);
if (!fwvalid) {
bfa_ioc_boot(ioc, boot_type, boot_env);
bfa_ioc_poll_fwinit(ioc);
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_ioc_poll_fwinit(ioc);
return;
}
/*
* If IOC function is disabled and firmware version is same,
* just re-enable IOC.
*
* If option rom, IOC must not be in operational state. With
* convergence, IOC will be in operational state when 2nd driver
* is loaded.
*/
if (ioc_fwstate == BFI_IOC_DISABLED || ioc_fwstate == BFI_IOC_OP) {
/*
* When using MSI-X any pending firmware ready event should
* be flushed. Otherwise MSI-X interrupts are not delivered.
*/
bfa_ioc_msgflush(ioc);
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FWREADY);
return;
}
/*
* Initialize the h/w for any other states.
*/
bfa_ioc_boot(ioc, boot_type, boot_env);
bfa_ioc_poll_fwinit(ioc);
}
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);
WARN_ON(len > BFI_IOC_MSGLEN_MAX);
/*
* first write msg to mailbox registers
*/
for (i = 0; i < len / sizeof(u32); i++)
writel(cpu_to_le32(msgp[i]),
ioc->ioc_regs.hfn_mbox + i * sizeof(u32));
for (; i < BFI_IOC_MSGLEN_MAX / sizeof(u32); i++)
writel(0, ioc->ioc_regs.hfn_mbox + i * sizeof(u32));
/*
* write 1 to mailbox CMD to trigger LPU event
*/
writel(1, ioc->ioc_regs.hfn_mbox_cmd);
(void) readl(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;
struct timeval tv;
bfi_h2i_set(enable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_ENABLE_REQ,
bfa_ioc_portid(ioc));
enable_req.clscode = cpu_to_be16(ioc->clscode);
do_gettimeofday(&tv);
enable_req.tv_sec = be32_to_cpu(tv.tv_sec);
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 = readl(ioc->ioc_regs.heartbeat);
if (ioc->hb_count == hb_count) {
bfa_ioc_recover(ioc);
return;
} else {
ioc->hb_count = hb_count;
}
bfa_ioc_mbox_poll(ioc);
bfa_hb_timer_start(ioc);
}
static void
bfa_ioc_hb_monitor(struct bfa_ioc_s *ioc)
{
ioc->hb_count = readl(ioc->ioc_regs.heartbeat);
bfa_hb_timer_start(ioc);
}
/*
* Initiate a full firmware download.
*/
static void
bfa_ioc_download_fw(struct bfa_ioc_s *ioc, u32 boot_type,
u32 boot_env)
{
u32 *fwimg;
u32 pgnum, pgoff;
u32 loff = 0;
u32 chunkno = 0;
u32 i;
u32 asicmode;
bfa_trc(ioc, bfa_cb_image_get_size(bfa_ioc_asic_gen(ioc)));
fwimg = bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), chunkno);
pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, loff);
pgoff = PSS_SMEM_PGOFF(loff);
writel(pgnum, ioc->ioc_regs.host_page_num_fn);
for (i = 0; i < bfa_cb_image_get_size(bfa_ioc_asic_gen(ioc)); i++) {
if (BFA_IOC_FLASH_CHUNK_NO(i) != chunkno) {
chunkno = BFA_IOC_FLASH_CHUNK_NO(i);
fwimg = bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc),
BFA_IOC_FLASH_CHUNK_ADDR(chunkno));
}
/*
* write smem
*/
bfa_mem_write(ioc->ioc_regs.smem_page_start, loff,
fwimg[BFA_IOC_FLASH_OFFSET_IN_CHUNK(i)]);
loff += sizeof(u32);
/*
* handle page offset wrap around
*/
loff = PSS_SMEM_PGOFF(loff);
if (loff == 0) {
pgnum++;
writel(pgnum, ioc->ioc_regs.host_page_num_fn);
}
}
writel(PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, 0),
ioc->ioc_regs.host_page_num_fn);
/*
* Set boot type and device mode at the end.
*/
asicmode = BFI_FWBOOT_DEVMODE(ioc->asic_gen, ioc->asic_mode,
ioc->port0_mode, ioc->port1_mode);
bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_FWBOOT_DEVMODE_OFF,
swab32(asicmode));
bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_FWBOOT_TYPE_OFF,
swab32(boot_type));
bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_FWBOOT_ENV_OFF,
swab32(boot_env));
}
/*
* 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 = be32_to_cpu(attr->adapter_prop);
attr->card_type = be32_to_cpu(attr->card_type);
attr->maxfrsize = be16_to_cpu(attr->maxfrsize);
ioc->fcmode = (attr->port_mode == BFI_PORT_MODE_FC);
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 = readl(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_flush(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);
}
/*
* Read data from SMEM to host through PCI memmap
*
* @param[in] ioc memory for IOC
* @param[in] tbuf app memory to store data from smem
* @param[in] soff smem offset
* @param[in] sz size of smem in bytes
*/
static bfa_status_t
bfa_ioc_smem_read(struct bfa_ioc_s *ioc, void *tbuf, u32 soff, u32 sz)
{
u32 pgnum, loff;
__be32 r32;
int i, len;
u32 *buf = tbuf;
pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, soff);
loff = PSS_SMEM_PGOFF(soff);
bfa_trc(ioc, pgnum);
bfa_trc(ioc, loff);
bfa_trc(ioc, sz);
/*
* Hold semaphore to serialize pll init and fwtrc.
*/
if (BFA_FALSE == bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg)) {
bfa_trc(ioc, 0);
return BFA_STATUS_FAILED;
}
writel(pgnum, ioc->ioc_regs.host_page_num_fn);
len = sz/sizeof(u32);
bfa_trc(ioc, len);
for (i = 0; i < len; i++) {
r32 = bfa_mem_read(ioc->ioc_regs.smem_page_start, loff);
buf[i] = be32_to_cpu(r32);
loff += sizeof(u32);
/*
* handle page offset wrap around
*/
loff = PSS_SMEM_PGOFF(loff);
if (loff == 0) {
pgnum++;
writel(pgnum, ioc->ioc_regs.host_page_num_fn);
}
}
writel(PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, 0),
ioc->ioc_regs.host_page_num_fn);
/*
* release semaphore.
*/
readl(ioc->ioc_regs.ioc_init_sem_reg);
writel(1, ioc->ioc_regs.ioc_init_sem_reg);
bfa_trc(ioc, pgnum);
return BFA_STATUS_OK;
}
/*
* Clear SMEM data from host through PCI memmap
*
* @param[in] ioc memory for IOC
* @param[in] soff smem offset
* @param[in] sz size of smem in bytes
*/
static bfa_status_t
bfa_ioc_smem_clr(struct bfa_ioc_s *ioc, u32 soff, u32 sz)
{
int i, len;
u32 pgnum, loff;
pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, soff);
loff = PSS_SMEM_PGOFF(soff);
bfa_trc(ioc, pgnum);
bfa_trc(ioc, loff);
bfa_trc(ioc, sz);
/*
* Hold semaphore to serialize pll init and fwtrc.
*/
if (BFA_FALSE == bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg)) {
bfa_trc(ioc, 0);
return BFA_STATUS_FAILED;
}
writel(pgnum, ioc->ioc_regs.host_page_num_fn);
len = sz/sizeof(u32); /* len in words */
bfa_trc(ioc, len);
for (i = 0; i < len; i++) {
bfa_mem_write(ioc->ioc_regs.smem_page_start, loff, 0);
loff += sizeof(u32);
/*
* handle page offset wrap around
*/
loff = PSS_SMEM_PGOFF(loff);
if (loff == 0) {
pgnum++;
writel(pgnum, ioc->ioc_regs.host_page_num_fn);
}
}
writel(PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, 0),
ioc->ioc_regs.host_page_num_fn);
/*
* release semaphore.
*/
readl(ioc->ioc_regs.ioc_init_sem_reg);
writel(1, ioc->ioc_regs.ioc_init_sem_reg);
bfa_trc(ioc, pgnum);
return BFA_STATUS_OK;
}
static void
bfa_ioc_fail_notify(struct bfa_ioc_s *ioc)
{
struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad;
/*
* Notify driver and common modules registered for notification.
*/
ioc->cbfn->hbfail_cbfn(ioc->bfa);
bfa_ioc_event_notify(ioc, BFA_IOC_E_FAILED);
bfa_ioc_debug_save_ftrc(ioc);
BFA_LOG(KERN_CRIT, bfad, bfa_log_level,
"Heart Beat of IOC has failed\n");
bfa_ioc_aen_post(ioc, BFA_IOC_AEN_HBFAIL);
}
static void
bfa_ioc_pf_fwmismatch(struct bfa_ioc_s *ioc)
{
struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad;
/*
* Provide enable completion callback.
*/
ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
"Running firmware version is incompatible "
"with the driver version\n");
bfa_ioc_aen_post(ioc, BFA_IOC_AEN_FWMISMATCH);
}
bfa_status_t
bfa_ioc_pll_init(struct bfa_ioc_s *ioc)
{
/*
* Hold semaphore so that nobody can access the chip during init.
*/
bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg);
bfa_ioc_pll_init_asic(ioc);
ioc->pllinit = BFA_TRUE;
/*
* Initialize LMEM
*/
bfa_ioc_lmem_init(ioc);
/*
* release semaphore.
*/
readl(ioc->ioc_regs.ioc_init_sem_reg);
writel(1, ioc->ioc_regs.ioc_init_sem_reg);
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_env)
{
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.
*/
if (boot_type == BFI_FWBOOT_TYPE_MEMTEST) {
writel(BFI_IOC_MEMTEST, ioc->ioc_regs.ioc_fwstate);
writel(BFI_IOC_MEMTEST, ioc->ioc_regs.alt_ioc_fwstate);
} else {
writel(BFI_IOC_INITING, ioc->ioc_regs.ioc_fwstate);
writel(BFI_IOC_INITING, ioc->ioc_regs.alt_ioc_fwstate);
}
bfa_ioc_msgflush(ioc);
bfa_ioc_download_fw(ioc, boot_type, boot_env);
bfa_ioc_lpu_start(ioc);
}
/*
* Enable/disable IOC failure auto recovery.
*/
void
bfa_ioc_auto_recover(bfa_boolean_t auto_recover)
{
bfa_auto_recover = auto_recover;
}
bfa_boolean_t
bfa_ioc_is_operational(struct bfa_ioc_s *ioc)
{
return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_op);
}
bfa_boolean_t
bfa_ioc_is_initialized(struct bfa_ioc_s *ioc)
{
u32 r32 = readl(ioc->ioc_regs.ioc_fwstate);
return ((r32 != BFI_IOC_UNINIT) &&
(r32 != BFI_IOC_INITING) &&
(r32 != BFI_IOC_MEMTEST));
}
bfa_boolean_t
bfa_ioc_msgget(struct bfa_ioc_s *ioc, void *mbmsg)
{
__be32 *msgp = mbmsg;
u32 r32;
int i;
r32 = readl(ioc->ioc_regs.lpu_mbox_cmd);
if ((r32 & 1) == 0)
return BFA_FALSE;
/*
* read the MBOX msg
*/
for (i = 0; i < (sizeof(union bfi_ioc_i2h_msg_u) / sizeof(u32));
i++) {
r32 = readl(ioc->ioc_regs.lpu_mbox +
i * sizeof(u32));
msgp[i] = cpu_to_be32(r32);
}
/*
* turn off mailbox interrupt by clearing mailbox status
*/
writel(1, ioc->ioc_regs.lpu_mbox_cmd);
readl(ioc->ioc_regs.lpu_mbox_cmd);
return BFA_TRUE;
}
void
bfa_ioc_isr(struct bfa_ioc_s *ioc, struct bfi_mbmsg_s *m)
{
union bfi_ioc_i2h_msg_u *msg;
struct bfa_iocpf_s *iocpf = &ioc->iocpf;
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_ENABLE_REPLY:
ioc->port_mode = ioc->port_mode_cfg =
(enum bfa_mode_s)msg->fw_event.port_mode;
ioc->ad_cap_bm = msg->fw_event.cap_bm;
bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_ENABLE);
break;
case BFI_IOC_I2H_DISABLE_REPLY:
bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_DISABLE);
break;
case BFI_IOC_I2H_GETATTR_REPLY:
bfa_ioc_getattr_reply(ioc);
break;
case BFI_IOC_I2H_ACQ_ADDR_REPLY:
bfa_fsm_send_event(ioc, IOC_E_FWRSP_ACQ_ADDR);
break;
default:
bfa_trc(ioc, msg->mh.msg_id);
WARN_ON(1);
}
}
/*
* IOC attach time initialization and setup.
*
* @param[in] ioc memory for IOC
* @param[in] bfa driver instance structure
*/
void
bfa_ioc_attach(struct bfa_ioc_s *ioc, void *bfa, struct bfa_ioc_cbfn_s *cbfn,
struct bfa_timer_mod_s *timer_mod)
{
ioc->bfa = bfa;
ioc->cbfn = cbfn;
ioc->timer_mod = timer_mod;
ioc->fcmode = BFA_FALSE;
ioc->pllinit = BFA_FALSE;
ioc->dbg_fwsave_once = BFA_TRUE;
ioc->iocpf.ioc = ioc;
bfa_ioc_mbox_attach(ioc);
INIT_LIST_HEAD(&ioc->notify_q);
bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
bfa_fsm_send_event(ioc, IOC_E_RESET);
}
/*
* Driver detach time IOC cleanup.
*/
void
bfa_ioc_detach(struct bfa_ioc_s *ioc)
{
bfa_fsm_send_event(ioc, IOC_E_DETACH);
INIT_LIST_HEAD(&ioc->notify_q);
}
/*
* 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_pcifn_class clscode)
{
ioc->clscode = clscode;
ioc->pcidev = *pcidev;
/*
* Initialize IOC and device personality
*/
ioc->port0_mode = ioc->port1_mode = BFI_PORT_MODE_FC;
ioc->asic_mode = BFI_ASIC_MODE_FC;
switch (pcidev->device_id) {
case BFA_PCI_DEVICE_ID_FC_8G1P:
case BFA_PCI_DEVICE_ID_FC_8G2P:
ioc->asic_gen = BFI_ASIC_GEN_CB;
ioc->fcmode = BFA_TRUE;
ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_HBA;
ioc->ad_cap_bm = BFA_CM_HBA;
break;
case BFA_PCI_DEVICE_ID_CT:
ioc->asic_gen = BFI_ASIC_GEN_CT;
ioc->port0_mode = ioc->port1_mode = BFI_PORT_MODE_ETH;
ioc->asic_mode = BFI_ASIC_MODE_ETH;
ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_CNA;
ioc->ad_cap_bm = BFA_CM_CNA;
break;
case BFA_PCI_DEVICE_ID_CT_FC:
ioc->asic_gen = BFI_ASIC_GEN_CT;
ioc->fcmode = BFA_TRUE;
ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_HBA;
ioc->ad_cap_bm = BFA_CM_HBA;
break;
case BFA_PCI_DEVICE_ID_CT2:
ioc->asic_gen = BFI_ASIC_GEN_CT2;
if (clscode == BFI_PCIFN_CLASS_FC &&
pcidev->ssid == BFA_PCI_CT2_SSID_FC) {
ioc->asic_mode = BFI_ASIC_MODE_FC16;
ioc->fcmode = BFA_TRUE;
ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_HBA;
ioc->ad_cap_bm = BFA_CM_HBA;
} else {
ioc->port0_mode = ioc->port1_mode = BFI_PORT_MODE_ETH;
ioc->asic_mode = BFI_ASIC_MODE_ETH;
if (pcidev->ssid == BFA_PCI_CT2_SSID_FCoE) {
ioc->port_mode =
ioc->port_mode_cfg = BFA_MODE_CNA;
ioc->ad_cap_bm = BFA_CM_CNA;
} else {
ioc->port_mode =
ioc->port_mode_cfg = BFA_MODE_NIC;
ioc->ad_cap_bm = BFA_CM_NIC;
}
}
break;
default:
WARN_ON(1);
}
/*
* Set asic specific interfaces. See bfa_ioc_cb.c and bfa_ioc_ct.c
*/
if (ioc->asic_gen == BFI_ASIC_GEN_CB)
bfa_ioc_set_cb_hwif(ioc);
else if (ioc->asic_gen == BFI_ASIC_GEN_CT)
bfa_ioc_set_ct_hwif(ioc);
else {
WARN_ON(ioc->asic_gen != BFI_ASIC_GEN_CT2);
bfa_ioc_set_ct2_hwif(ioc);
bfa_ioc_ct2_poweron(ioc);
}
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;
}
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);
}
/*
* 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)
{
ioc->dbg_fwsave = dbg_fwsave;
ioc->dbg_fwsave_len = (ioc->iocpf.auto_recover) ? BFA_DBG_FWTRC_LEN : 0;
}
/*
* 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 = readl(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;
if (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);
}
bfa_ioc_lpu_read_stat(ioc);
/*
* Try to send pending mailbox commands
*/
bfa_ioc_mbox_poll(ioc);
}
void
bfa_ioc_error_isr(struct bfa_ioc_s *ioc)
{
bfa_ioc_stats(ioc, ioc_hbfails);
ioc->stats.hb_count = ioc->hb_count;
bfa_fsm_send_event(ioc, IOC_E_HWERROR);
}
/*
* 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 is in acquiring address state
*/
bfa_boolean_t
bfa_ioc_is_acq_addr(struct bfa_ioc_s *ioc)
{
return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_acq_addr);
}
/*
* 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->iocpf, bfa_iocpf_sm_fwcheck) ||
bfa_fsm_cmp_state(&ioc->iocpf, bfa_iocpf_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_FAIL) || \
((__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;
if (!bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled))
return BFA_FALSE;
ioc_state = readl(ioc->ioc_regs.ioc_fwstate);
if (!bfa_ioc_state_disabled(ioc_state))
return BFA_FALSE;
if (ioc->pcidev.device_id != BFA_PCI_DEVICE_ID_FC_8G1P) {
ioc_state = readl(ioc->ioc_regs.alt_ioc_fwstate);
if (!bfa_ioc_state_disabled(ioc_state))
return BFA_FALSE;
}
return BFA_TRUE;
}
/*
* Reset IOC fwstate registers.
*/
void
bfa_ioc_reset_fwstate(struct bfa_ioc_s *ioc)
{
writel(BFI_IOC_UNINIT, ioc->ioc_regs.ioc_fwstate);
writel(BFI_IOC_UNINIT, ioc->ioc_regs.alt_ioc_fwstate);
}
#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;
ioc_attr = ioc->attr;
bfa_ioc_get_adapter_serial_num(ioc, ad_attr->serial_num);
bfa_ioc_get_adapter_fw_ver(ioc, ad_attr->fw_ver);
bfa_ioc_get_adapter_optrom_ver(ioc, ad_attr->optrom_ver);
bfa_ioc_get_adapter_manufacturer(ioc, ad_attr->manufacturer);
memcpy(&ad_attr->vpd, &ioc_attr->vpd,
sizeof(struct bfa_mfg_vpd_s));
ad_attr->nports = bfa_ioc_get_nports(ioc);
ad_attr->max_speed = bfa_ioc_speed_sup(ioc);
bfa_ioc_get_adapter_model(ioc, ad_attr->model);
/* For now, model descr uses same model string */
bfa_ioc_get_adapter_model(ioc, ad_attr->model_descr);
ad_attr->card_type = ioc_attr->card_type;
ad_attr->is_mezz = bfa_mfg_is_mezz(ioc_attr->card_type);
if (BFI_ADAPTER_IS_SPECIAL(ioc_attr->adapter_prop))
ad_attr->prototype = 1;
else
ad_attr->prototype = 0;
ad_attr->pwwn = ioc->attr->pwwn;
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;
bfa_ioc_get_pci_chip_rev(ioc, ad_attr->hw_ver);
ad_attr->cna_capable = bfa_ioc_is_cna(ioc);
ad_attr->trunk_capable = (ad_attr->nports > 1) &&
!bfa_ioc_is_cna(ioc) && !ad_attr->is_mezz;
}
enum bfa_ioc_type_e
bfa_ioc_get_type(struct bfa_ioc_s *ioc)
{
if (ioc->clscode == BFI_PCIFN_CLASS_ETH)
return BFA_IOC_TYPE_LL;
WARN_ON(ioc->clscode != BFI_PCIFN_CLASS_FC);
return (ioc->attr->port_mode == BFI_PORT_MODE_FC)
? BFA_IOC_TYPE_FC : BFA_IOC_TYPE_FCoE;
}
void
bfa_ioc_get_adapter_serial_num(struct bfa_ioc_s *ioc, char *serial_num)
{
memset((void *)serial_num, 0, BFA_ADAPTER_SERIAL_NUM_LEN);
memcpy((void *)serial_num,
(void *)ioc->attr->brcd_serialnum,
BFA_ADAPTER_SERIAL_NUM_LEN);
}
void
bfa_ioc_get_adapter_fw_ver(struct bfa_ioc_s *ioc, char *fw_ver)
{
memset((void *)fw_ver, 0, BFA_VERSION_LEN);
memcpy(fw_ver, ioc->attr->fw_version, BFA_VERSION_LEN);
}
void
bfa_ioc_get_pci_chip_rev(struct bfa_ioc_s *ioc, char *chip_rev)
{
WARN_ON(!chip_rev);
memset((void *)chip_rev, 0, BFA_IOC_CHIP_REV_LEN);
chip_rev[0] = 'R';
chip_rev[1] = 'e';
chip_rev[2] = 'v';
chip_rev[3] = '-';
chip_rev[4] = ioc->attr->asic_rev;
chip_rev[5] = '\0';
}
void
bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc_s *ioc, char *optrom_ver)
{
memset((void *)optrom_ver, 0, BFA_VERSION_LEN);
memcpy(optrom_ver, ioc->attr->optrom_version,
BFA_VERSION_LEN);
}
void
bfa_ioc_get_adapter_manufacturer(struct bfa_ioc_s *ioc, char *manufacturer)
{
memset((void *)manufacturer, 0, BFA_ADAPTER_MFG_NAME_LEN);
memcpy(manufacturer, BFA_MFG_NAME, BFA_ADAPTER_MFG_NAME_LEN);
}
void
bfa_ioc_get_adapter_model(struct bfa_ioc_s *ioc, char *model)
{
struct bfi_ioc_attr_s *ioc_attr;
WARN_ON(!model);
memset((void *)model, 0, BFA_ADAPTER_MODEL_NAME_LEN);
ioc_attr = ioc->attr;
snprintf(model, BFA_ADAPTER_MODEL_NAME_LEN, "%s-%u",
BFA_MFG_NAME, ioc_attr->card_type);
}
enum bfa_ioc_state
bfa_ioc_get_state(struct bfa_ioc_s *ioc)
{
enum bfa_iocpf_state iocpf_st;
enum bfa_ioc_state ioc_st = bfa_sm_to_state(ioc_sm_table, ioc->fsm);
if (ioc_st == BFA_IOC_ENABLING ||
ioc_st == BFA_IOC_FAIL || ioc_st == BFA_IOC_INITFAIL) {
iocpf_st = bfa_sm_to_state(iocpf_sm_table, ioc->iocpf.fsm);
switch (iocpf_st) {
case BFA_IOCPF_SEMWAIT:
ioc_st = BFA_IOC_SEMWAIT;
break;
case BFA_IOCPF_HWINIT:
ioc_st = BFA_IOC_HWINIT;
break;
case BFA_IOCPF_FWMISMATCH:
ioc_st = BFA_IOC_FWMISMATCH;
break;
case BFA_IOCPF_FAIL:
ioc_st = BFA_IOC_FAIL;
break;
case BFA_IOCPF_INITFAIL:
ioc_st = BFA_IOC_INITFAIL;
break;
default:
break;
}
}
return ioc_st;
}
void
bfa_ioc_get_attr(struct bfa_ioc_s *ioc, struct bfa_ioc_attr_s *ioc_attr)
{
memset((void *)ioc_attr, 0, sizeof(struct bfa_ioc_attr_s));
ioc_attr->state = bfa_ioc_get_state(ioc);
ioc_attr->port_id = ioc->port_id;
ioc_attr->port_mode = ioc->port_mode;
ioc_attr->port_mode_cfg = ioc->port_mode_cfg;
ioc_attr->cap_bm = ioc->ad_cap_bm;
ioc_attr->ioc_type = bfa_ioc_get_type(ioc);
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;
bfa_ioc_get_pci_chip_rev(ioc, ioc_attr->pci_attr.chip_rev);
}
mac_t
bfa_ioc_get_mac(struct bfa_ioc_s *ioc)
{
/*
* Check the IOC type and return the appropriate MAC
*/
if (bfa_ioc_get_type(ioc) == BFA_IOC_TYPE_FCoE)
return ioc->attr->fcoe_mac;
else
return ioc->attr->mac;
}
mac_t
bfa_ioc_get_mfg_mac(struct bfa_ioc_s *ioc)
{
mac_t m;
m = ioc->attr->mfg_mac;
if (bfa_mfg_is_old_wwn_mac_model(ioc->attr->card_type))
m.mac[MAC_ADDRLEN - 1] += bfa_ioc_pcifn(ioc);
else
bfa_mfg_increment_wwn_mac(&(m.mac[MAC_ADDRLEN-3]),
bfa_ioc_pcifn(ioc));
return m;
}
/*
* Send AEN notification
*/
void
bfa_ioc_aen_post(struct bfa_ioc_s *ioc, enum bfa_ioc_aen_event event)
{
struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad;
struct bfa_aen_entry_s *aen_entry;
enum bfa_ioc_type_e ioc_type;
bfad_get_aen_entry(bfad, aen_entry);
if (!aen_entry)
return;
ioc_type = bfa_ioc_get_type(ioc);
switch (ioc_type) {
case BFA_IOC_TYPE_FC:
aen_entry->aen_data.ioc.pwwn = ioc->attr->pwwn;
break;
case BFA_IOC_TYPE_FCoE:
aen_entry->aen_data.ioc.pwwn = ioc->attr->pwwn;
aen_entry->aen_data.ioc.mac = bfa_ioc_get_mac(ioc);
break;
case BFA_IOC_TYPE_LL:
aen_entry->aen_data.ioc.mac = bfa_ioc_get_mac(ioc);
break;
default:
WARN_ON(ioc_type != BFA_IOC_TYPE_FC);
break;
}
/* Send the AEN notification */
aen_entry->aen_data.ioc.ioc_type = ioc_type;
bfad_im_post_vendor_event(aen_entry, bfad, ++ioc->ioc_aen_seq,
BFA_AEN_CAT_IOC, event);
}
/*
* 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;
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 loff = BFA_DBG_FWTRC_OFF(bfa_ioc_portid(ioc));
int tlen;
bfa_status_t status;
bfa_trc(ioc, *trclen);
tlen = *trclen;
if (tlen > BFA_DBG_FWTRC_LEN)
tlen = BFA_DBG_FWTRC_LEN;
status = bfa_ioc_smem_read(ioc, trcdata, loff, tlen);
*trclen = tlen;
return status;
}
static void
bfa_ioc_send_fwsync(struct bfa_ioc_s *ioc)
{
struct bfa_mbox_cmd_s cmd;
struct bfi_ioc_ctrl_req_s *req = (struct bfi_ioc_ctrl_req_s *) cmd.msg;
bfi_h2i_set(req->mh, BFI_MC_IOC, BFI_IOC_H2I_DBG_SYNC,
bfa_ioc_portid(ioc));
req->clscode = cpu_to_be16(ioc->clscode);
bfa_ioc_mbox_queue(ioc, &cmd);
}
static void
bfa_ioc_fwsync(struct bfa_ioc_s *ioc)
{
u32 fwsync_iter = 1000;
bfa_ioc_send_fwsync(ioc);
/*
* After sending a fw sync mbox command wait for it to
* take effect. We will not wait for a response because
* 1. fw_sync mbox cmd doesn't have a response.
* 2. Even if we implement that, interrupts might not
* be enabled when we call this function.
* So, just keep checking if any mbox cmd is pending, and
* after waiting for a reasonable amount of time, go ahead.
* It is possible that fw has crashed and the mbox command
* is never acknowledged.
*/
while (bfa_ioc_mbox_cmd_pending(ioc) && fwsync_iter > 0)
fwsync_iter--;
}
/*
* Dump firmware smem
*/
bfa_status_t
bfa_ioc_debug_fwcore(struct bfa_ioc_s *ioc, void *buf,
u32 *offset, int *buflen)
{
u32 loff;
int dlen;
bfa_status_t status;
u32 smem_len = BFA_IOC_FW_SMEM_SIZE(ioc);
if (*offset >= smem_len) {
*offset = *buflen = 0;
return BFA_STATUS_EINVAL;
}
loff = *offset;
dlen = *buflen;
/*
* First smem read, sync smem before proceeding
* No need to sync before reading every chunk.
*/
if (loff == 0)
bfa_ioc_fwsync(ioc);
if ((loff + dlen) >= smem_len)
dlen = smem_len - loff;
status = bfa_ioc_smem_read(ioc, buf, loff, dlen);
if (status != BFA_STATUS_OK) {
*offset = *buflen = 0;
return status;
}
*offset += dlen;
if (*offset >= smem_len)
*offset = 0;
*buflen = dlen;
return status;
}
/*
* Firmware statistics
*/
bfa_status_t
bfa_ioc_fw_stats_get(struct bfa_ioc_s *ioc, void *stats)
{
u32 loff = BFI_IOC_FWSTATS_OFF + \
BFI_IOC_FWSTATS_SZ * (bfa_ioc_portid(ioc));
int tlen;
bfa_status_t status;
if (ioc->stats_busy) {
bfa_trc(ioc, ioc->stats_busy);
return BFA_STATUS_DEVBUSY;
}
ioc->stats_busy = BFA_TRUE;
tlen = sizeof(struct bfa_fw_stats_s);
status = bfa_ioc_smem_read(ioc, stats, loff, tlen);
ioc->stats_busy = BFA_FALSE;
return status;
}
bfa_status_t
bfa_ioc_fw_stats_clear(struct bfa_ioc_s *ioc)
{
u32 loff = BFI_IOC_FWSTATS_OFF + \
BFI_IOC_FWSTATS_SZ * (bfa_ioc_portid(ioc));
int tlen;
bfa_status_t status;
if (ioc->stats_busy) {
bfa_trc(ioc, ioc->stats_busy);
return BFA_STATUS_DEVBUSY;
}
ioc->stats_busy = BFA_TRUE;
tlen = sizeof(struct bfa_fw_stats_s);
status = bfa_ioc_smem_clr(ioc, loff, tlen);
ioc->stats_busy = BFA_FALSE;
return status;
}
/*
* Save firmware trace if configured.
*/
static void
bfa_ioc_debug_save_ftrc(struct bfa_ioc_s *ioc)
{
int tlen;
if (ioc->dbg_fwsave_once) {
ioc->dbg_fwsave_once = BFA_FALSE;
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)
{
bfa_ioc_stats(ioc, ioc_hbfails);
ioc->stats.hb_count = ioc->hb_count;
bfa_fsm_send_event(ioc, IOC_E_HBFAIL);
}
static void
bfa_ioc_check_attr_wwns(struct bfa_ioc_s *ioc)
{
if (bfa_ioc_get_type(ioc) == BFA_IOC_TYPE_LL)
return;
if (ioc->attr->nwwn == 0)
bfa_ioc_aen_post(ioc, BFA_IOC_AEN_INVALID_NWWN);
if (ioc->attr->pwwn == 0)
bfa_ioc_aen_post(ioc, BFA_IOC_AEN_INVALID_PWWN);
}
/*
* BFA IOC PF private functions
*/
static void
bfa_iocpf_timeout(void *ioc_arg)
{
struct bfa_ioc_s *ioc = (struct bfa_ioc_s *) ioc_arg;
bfa_trc(ioc, 0);
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_TIMEOUT);
}
static void
bfa_iocpf_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_poll_fwinit(struct bfa_ioc_s *ioc)
{
u32 fwstate = readl(ioc->ioc_regs.ioc_fwstate);
bfa_trc(ioc, fwstate);
if (fwstate == BFI_IOC_DISABLED) {
bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FWREADY);
return;
}
if (ioc->iocpf.poll_time >= BFA_IOC_TOV)
bfa_iocpf_timeout(ioc);
else {
ioc->iocpf.poll_time += BFA_IOC_POLL_TOV;
bfa_iocpf_poll_timer_start(ioc);
}
}
static void
bfa_iocpf_poll_timeout(void *ioc_arg)
{
struct bfa_ioc_s *ioc = (struct bfa_ioc_s *) ioc_arg;
bfa_ioc_poll_fwinit(ioc);
}
/*
* bfa timer function
*/
void
bfa_timer_beat(struct bfa_timer_mod_s *mod)
{
struct list_head *qh = &mod->timer_q;
struct list_head *qe, *qe_next;
struct bfa_timer_s *elem;
struct list_head timedout_q;
INIT_LIST_HEAD(&timedout_q);
qe = bfa_q_next(qh);
while (qe != qh) {
qe_next = bfa_q_next(qe);
elem = (struct bfa_timer_s *) qe;
if (elem->timeout <= BFA_TIMER_FREQ) {
elem->timeout = 0;
list_del(&elem->qe);
list_add_tail(&elem->qe, &timedout_q);
} else {
elem->timeout -= BFA_TIMER_FREQ;
}
qe = qe_next; /* go to next elem */
}
/*
* Pop all the timeout entries
*/
while (!list_empty(&timedout_q)) {
bfa_q_deq(&timedout_q, &elem);
elem->timercb(elem->arg);
}
}
/*
* Should be called with lock protection
*/
void
bfa_timer_begin(struct bfa_timer_mod_s *mod, struct bfa_timer_s *timer,
void (*timercb) (void *), void *arg, unsigned int timeout)
{
WARN_ON(timercb == NULL);
WARN_ON(bfa_q_is_on_q(&mod->timer_q, timer));
timer->timeout = timeout;
timer->timercb = timercb;
timer->arg = arg;
list_add_tail(&timer->qe, &mod->timer_q);
}
/*
* Should be called with lock protection
*/
void
bfa_timer_stop(struct bfa_timer_s *timer)
{
WARN_ON(list_empty(&timer->qe));
list_del(&timer->qe);
}
/*
* ASIC block related
*/
static void
bfa_ablk_config_swap(struct bfa_ablk_cfg_s *cfg)
{
struct bfa_ablk_cfg_inst_s *cfg_inst;
int i, j;
u16 be16;
u32 be32;
for (i = 0; i < BFA_ABLK_MAX; i++) {
cfg_inst = &cfg->inst[i];
for (j = 0; j < BFA_ABLK_MAX_PFS; j++) {
be16 = cfg_inst->pf_cfg[j].pers;
cfg_inst->pf_cfg[j].pers = be16_to_cpu(be16);
be16 = cfg_inst->pf_cfg[j].num_qpairs;
cfg_inst->pf_cfg[j].num_qpairs = be16_to_cpu(be16);
be16 = cfg_inst->pf_cfg[j].num_vectors;
cfg_inst->pf_cfg[j].num_vectors = be16_to_cpu(be16);
be32 = cfg_inst->pf_cfg[j].bw;
cfg_inst->pf_cfg[j].bw = be16_to_cpu(be32);
}
}
}
static void
bfa_ablk_isr(void *cbarg, struct bfi_mbmsg_s *msg)
{
struct bfa_ablk_s *ablk = (struct bfa_ablk_s *)cbarg;
struct bfi_ablk_i2h_rsp_s *rsp = (struct bfi_ablk_i2h_rsp_s *)msg;
bfa_ablk_cbfn_t cbfn;
WARN_ON(msg->mh.msg_class != BFI_MC_ABLK);
bfa_trc(ablk->ioc, msg->mh.msg_id);
switch (msg->mh.msg_id) {
case BFI_ABLK_I2H_QUERY:
if (rsp->status == BFA_STATUS_OK) {
memcpy(ablk->cfg, ablk->dma_addr.kva,
sizeof(struct bfa_ablk_cfg_s));
bfa_ablk_config_swap(ablk->cfg);
ablk->cfg = NULL;
}
break;
case BFI_ABLK_I2H_ADPT_CONFIG:
case BFI_ABLK_I2H_PORT_CONFIG:
/* update config port mode */
ablk->ioc->port_mode_cfg = rsp->port_mode;
case BFI_ABLK_I2H_PF_DELETE:
case BFI_ABLK_I2H_PF_UPDATE:
case BFI_ABLK_I2H_OPTROM_ENABLE:
case BFI_ABLK_I2H_OPTROM_DISABLE:
/* No-op */
break;
case BFI_ABLK_I2H_PF_CREATE:
*(ablk->pcifn) = rsp->pcifn;
ablk->pcifn = NULL;
break;
default:
WARN_ON(1);
}
ablk->busy = BFA_FALSE;
if (ablk->cbfn) {
cbfn = ablk->cbfn;
ablk->cbfn = NULL;
cbfn(ablk->cbarg, rsp->status);
}
}
static void
bfa_ablk_notify(void *cbarg, enum bfa_ioc_event_e event)
{
struct bfa_ablk_s *ablk = (struct bfa_ablk_s *)cbarg;
bfa_trc(ablk->ioc, event);
switch (event) {
case BFA_IOC_E_ENABLED:
WARN_ON(ablk->busy != BFA_FALSE);
break;
case BFA_IOC_E_DISABLED:
case BFA_IOC_E_FAILED:
/* Fail any pending requests */
ablk->pcifn = NULL;
if (ablk->busy) {
if (ablk->cbfn)
ablk->cbfn(ablk->cbarg, BFA_STATUS_FAILED);
ablk->cbfn = NULL;
ablk->busy = BFA_FALSE;
}
break;
default:
WARN_ON(1);
break;
}
}
u32
bfa_ablk_meminfo(void)
{
return BFA_ROUNDUP(sizeof(struct bfa_ablk_cfg_s), BFA_DMA_ALIGN_SZ);
}
void
bfa_ablk_memclaim(struct bfa_ablk_s *ablk, u8 *dma_kva, u64 dma_pa)
{
ablk->dma_addr.kva = dma_kva;
ablk->dma_addr.pa = dma_pa;
}
void
bfa_ablk_attach(struct bfa_ablk_s *ablk, struct bfa_ioc_s *ioc)
{
ablk->ioc = ioc;
bfa_ioc_mbox_regisr(ablk->ioc, BFI_MC_ABLK, bfa_ablk_isr, ablk);
bfa_q_qe_init(&ablk->ioc_notify);
bfa_ioc_notify_init(&ablk->ioc_notify, bfa_ablk_notify, ablk);
list_add_tail(&ablk->ioc_notify.qe, &ablk->ioc->notify_q);
}
bfa_status_t
bfa_ablk_query(struct bfa_ablk_s *ablk, struct bfa_ablk_cfg_s *ablk_cfg,
bfa_ablk_cbfn_t cbfn, void *cbarg)
{
struct bfi_ablk_h2i_query_s *m;
WARN_ON(!ablk_cfg);
if (!bfa_ioc_is_operational(ablk->ioc)) {
bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE);
return BFA_STATUS_IOC_FAILURE;
}
if (ablk->busy) {
bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY);
return BFA_STATUS_DEVBUSY;
}
ablk->cfg = ablk_cfg;
ablk->cbfn = cbfn;
ablk->cbarg = cbarg;
ablk->busy = BFA_TRUE;
m = (struct bfi_ablk_h2i_query_s *)ablk->mb.msg;
bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_QUERY,
bfa_ioc_portid(ablk->ioc));
bfa_dma_be_addr_set(m->addr, ablk->dma_addr.pa);
bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb);
return BFA_STATUS_OK;
}
bfa_status_t
bfa_ablk_pf_create(struct bfa_ablk_s *ablk, u16 *pcifn,
u8 port, enum bfi_pcifn_class personality, int bw,
bfa_ablk_cbfn_t cbfn, void *cbarg)
{
struct bfi_ablk_h2i_pf_req_s *m;
if (!bfa_ioc_is_operational(ablk->ioc)) {
bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE);
return BFA_STATUS_IOC_FAILURE;
}
if (ablk->busy) {
bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY);
return BFA_STATUS_DEVBUSY;
}
ablk->pcifn = pcifn;
ablk->cbfn = cbfn;
ablk->cbarg = cbarg;
ablk->busy = BFA_TRUE;
m = (struct bfi_ablk_h2i_pf_req_s *)ablk->mb.msg;
bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PF_CREATE,
bfa_ioc_portid(ablk->ioc));
m->pers = cpu_to_be16((u16)personality);
m->bw = cpu_to_be32(bw);
m->port = port;
bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb);
return BFA_STATUS_OK;
}
bfa_status_t
bfa_ablk_pf_delete(struct bfa_ablk_s *ablk, int pcifn,
bfa_ablk_cbfn_t cbfn, void *cbarg)
{
struct bfi_ablk_h2i_pf_req_s *m;
if (!bfa_ioc_is_operational(ablk->ioc)) {
bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE);
return BFA_STATUS_IOC_FAILURE;
}
if (ablk->busy) {
bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY);
return BFA_STATUS_DEVBUSY;
}
ablk->cbfn = cbfn;
ablk->cbarg = cbarg;
ablk->busy = BFA_TRUE;
m = (struct bfi_ablk_h2i_pf_req_s *)ablk->mb.msg;
bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PF_DELETE,
bfa_ioc_portid(ablk->ioc));
m->pcifn = (u8)pcifn;
bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb);
return BFA_STATUS_OK;
}
bfa_status_t
bfa_ablk_adapter_config(struct bfa_ablk_s *ablk, enum bfa_mode_s mode,
int max_pf, int max_vf, bfa_ablk_cbfn_t cbfn, void *cbarg)
{
struct bfi_ablk_h2i_cfg_req_s *m;
if (!bfa_ioc_is_operational(ablk->ioc)) {
bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE);
return BFA_STATUS_IOC_FAILURE;
}
if (ablk->busy) {
bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY);
return BFA_STATUS_DEVBUSY;
}
ablk->cbfn = cbfn;
ablk->cbarg = cbarg;
ablk->busy = BFA_TRUE;
m = (struct bfi_ablk_h2i_cfg_req_s *)ablk->mb.msg;
bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_ADPT_CONFIG,
bfa_ioc_portid(ablk->ioc));
m->mode = (u8)mode;
m->max_pf = (u8)max_pf;
m->max_vf = (u8)max_vf;
bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb);
return BFA_STATUS_OK;
}
bfa_status_t
bfa_ablk_port_config(struct bfa_ablk_s *ablk, int port, enum bfa_mode_s mode,
int max_pf, int max_vf, bfa_ablk_cbfn_t cbfn, void *cbarg)
{
struct bfi_ablk_h2i_cfg_req_s *m;
if (!bfa_ioc_is_operational(ablk->ioc)) {
bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE);
return BFA_STATUS_IOC_FAILURE;
}
if (ablk->busy) {
bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY);
return BFA_STATUS_DEVBUSY;
}
ablk->cbfn = cbfn;
ablk->cbarg = cbarg;
ablk->busy = BFA_TRUE;
m = (struct bfi_ablk_h2i_cfg_req_s *)ablk->mb.msg;
bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PORT_CONFIG,
bfa_ioc_portid(ablk->ioc));
m->port = (u8)port;
m->mode = (u8)mode;
m->max_pf = (u8)max_pf;
m->max_vf = (u8)max_vf;
bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb);
return BFA_STATUS_OK;
}
bfa_status_t
bfa_ablk_pf_update(struct bfa_ablk_s *ablk, int pcifn, int bw,
bfa_ablk_cbfn_t cbfn, void *cbarg)
{
struct bfi_ablk_h2i_pf_req_s *m;
if (!bfa_ioc_is_operational(ablk->ioc)) {
bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE);
return BFA_STATUS_IOC_FAILURE;
}
if (ablk->busy) {
bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY);
return BFA_STATUS_DEVBUSY;
}
ablk->cbfn = cbfn;
ablk->cbarg = cbarg;
ablk->busy = BFA_TRUE;
m = (struct bfi_ablk_h2i_pf_req_s *)ablk->mb.msg;
bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PF_UPDATE,
bfa_ioc_portid(ablk->ioc));
m->pcifn = (u8)pcifn;
m->bw = cpu_to_be32(bw);
bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb);
return BFA_STATUS_OK;
}
bfa_status_t
bfa_ablk_optrom_en(struct bfa_ablk_s *ablk, bfa_ablk_cbfn_t cbfn, void *cbarg)
{
struct bfi_ablk_h2i_optrom_s *m;
if (!bfa_ioc_is_operational(ablk->ioc)) {
bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE);
return BFA_STATUS_IOC_FAILURE;
}
if (ablk->busy) {
bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY);
return BFA_STATUS_DEVBUSY;
}
ablk->cbfn = cbfn;
ablk->cbarg = cbarg;
ablk->busy = BFA_TRUE;
m = (struct bfi_ablk_h2i_optrom_s *)ablk->mb.msg;
bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_OPTROM_ENABLE,
bfa_ioc_portid(ablk->ioc));
bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb);
return BFA_STATUS_OK;
}
bfa_status_t
bfa_ablk_optrom_dis(struct bfa_ablk_s *ablk, bfa_ablk_cbfn_t cbfn, void *cbarg)
{
struct bfi_ablk_h2i_optrom_s *m;
if (!bfa_ioc_is_operational(ablk->ioc)) {
bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE);
return BFA_STATUS_IOC_FAILURE;
}
if (ablk->busy) {
bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY);
return BFA_STATUS_DEVBUSY;
}
ablk->cbfn = cbfn;
ablk->cbarg = cbarg;
ablk->busy = BFA_TRUE;
m = (struct bfi_ablk_h2i_optrom_s *)ablk->mb.msg;
bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_OPTROM_DISABLE,
bfa_ioc_portid(ablk->ioc));
bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb);
return BFA_STATUS_OK;
}
/*
* SFP module specific
*/
/* forward declarations */
static void bfa_sfp_getdata_send(struct bfa_sfp_s *sfp);
static void bfa_sfp_media_get(struct bfa_sfp_s *sfp);
static bfa_status_t bfa_sfp_speed_valid(struct bfa_sfp_s *sfp,
enum bfa_port_speed portspeed);
static void
bfa_cb_sfp_show(struct bfa_sfp_s *sfp)
{
bfa_trc(sfp, sfp->lock);
if (sfp->cbfn)
sfp->cbfn(sfp->cbarg, sfp->status);
sfp->lock = 0;
sfp->cbfn = NULL;
}
static void
bfa_cb_sfp_state_query(struct bfa_sfp_s *sfp)
{
bfa_trc(sfp, sfp->portspeed);
if (sfp->media) {
bfa_sfp_media_get(sfp);
if (sfp->state_query_cbfn)
sfp->state_query_cbfn(sfp->state_query_cbarg,
sfp->status);
sfp->media = NULL;
}
if (sfp->portspeed) {
sfp->status = bfa_sfp_speed_valid(sfp, sfp->portspeed);
if (sfp->state_query_cbfn)
sfp->state_query_cbfn(sfp->state_query_cbarg,
sfp->status);
sfp->portspeed = BFA_PORT_SPEED_UNKNOWN;
}
sfp->state_query_lock = 0;
sfp->state_query_cbfn = NULL;
}
/*
* IOC event handler.
*/
static void
bfa_sfp_notify(void *sfp_arg, enum bfa_ioc_event_e event)
{
struct bfa_sfp_s *sfp = sfp_arg;
bfa_trc(sfp, event);
bfa_trc(sfp, sfp->lock);
bfa_trc(sfp, sfp->state_query_lock);
switch (event) {
case BFA_IOC_E_DISABLED:
case BFA_IOC_E_FAILED:
if (sfp->lock) {
sfp->status = BFA_STATUS_IOC_FAILURE;
bfa_cb_sfp_show(sfp);
}
if (sfp->state_query_lock) {
sfp->status = BFA_STATUS_IOC_FAILURE;
bfa_cb_sfp_state_query(sfp);
}
break;
default:
break;
}
}
/*
* SFP's State Change Notification post to AEN
*/
static void
bfa_sfp_scn_aen_post(struct bfa_sfp_s *sfp, struct bfi_sfp_scn_s *rsp)
{
struct bfad_s *bfad = (struct bfad_s *)sfp->ioc->bfa->bfad;
struct bfa_aen_entry_s *aen_entry;
enum bfa_port_aen_event aen_evt = 0;
bfa_trc(sfp, (((u64)rsp->pomlvl) << 16) | (((u64)rsp->sfpid) << 8) |
((u64)rsp->event));
bfad_get_aen_entry(bfad, aen_entry);
if (!aen_entry)
return;
aen_entry->aen_data.port.ioc_type = bfa_ioc_get_type(sfp->ioc);
aen_entry->aen_data.port.pwwn = sfp->ioc->attr->pwwn;
aen_entry->aen_data.port.mac = bfa_ioc_get_mac(sfp->ioc);
switch (rsp->event) {
case BFA_SFP_SCN_INSERTED:
aen_evt = BFA_PORT_AEN_SFP_INSERT;
break;
case BFA_SFP_SCN_REMOVED:
aen_evt = BFA_PORT_AEN_SFP_REMOVE;
break;
case BFA_SFP_SCN_FAILED:
aen_evt = BFA_PORT_AEN_SFP_ACCESS_ERROR;
break;
case BFA_SFP_SCN_UNSUPPORT:
aen_evt = BFA_PORT_AEN_SFP_UNSUPPORT;
break;
case BFA_SFP_SCN_POM:
aen_evt = BFA_PORT_AEN_SFP_POM;
aen_entry->aen_data.port.level = rsp->pomlvl;
break;
default:
bfa_trc(sfp, rsp->event);
WARN_ON(1);
}
/* Send the AEN notification */
bfad_im_post_vendor_event(aen_entry, bfad, ++sfp->ioc->ioc_aen_seq,
BFA_AEN_CAT_PORT, aen_evt);
}
/*
* SFP get data send
*/
static void
bfa_sfp_getdata_send(struct bfa_sfp_s *sfp)
{
struct bfi_sfp_req_s *req = (struct bfi_sfp_req_s *)sfp->mbcmd.msg;
bfa_trc(sfp, req->memtype);
/* build host command */
bfi_h2i_set(req->mh, BFI_MC_SFP, BFI_SFP_H2I_SHOW,
bfa_ioc_portid(sfp->ioc));
/* send mbox cmd */
bfa_ioc_mbox_queue(sfp->ioc, &sfp->mbcmd);
}
/*
* SFP is valid, read sfp data
*/
static void
bfa_sfp_getdata(struct bfa_sfp_s *sfp, enum bfi_sfp_mem_e memtype)
{
struct bfi_sfp_req_s *req = (struct bfi_sfp_req_s *)sfp->mbcmd.msg;
WARN_ON(sfp->lock != 0);
bfa_trc(sfp, sfp->state);
sfp->lock = 1;
sfp->memtype = memtype;
req->memtype = memtype;
/* Setup SG list */
bfa_alen_set(&req->alen, sizeof(struct sfp_mem_s), sfp->dbuf_pa);
bfa_sfp_getdata_send(sfp);
}
/*
* SFP scn handler
*/
static void
bfa_sfp_scn(struct bfa_sfp_s *sfp, struct bfi_mbmsg_s *msg)
{
struct bfi_sfp_scn_s *rsp = (struct bfi_sfp_scn_s *) msg;
switch (rsp->event) {
case BFA_SFP_SCN_INSERTED:
sfp->state = BFA_SFP_STATE_INSERTED;
sfp->data_valid = 0;
bfa_sfp_scn_aen_post(sfp, rsp);
break;
case BFA_SFP_SCN_REMOVED:
sfp->state = BFA_SFP_STATE_REMOVED;
sfp->data_valid = 0;
bfa_sfp_scn_aen_post(sfp, rsp);
break;
case BFA_SFP_SCN_FAILED:
sfp->state = BFA_SFP_STATE_FAILED;
sfp->data_valid = 0;
bfa_sfp_scn_aen_post(sfp, rsp);
break;
case BFA_SFP_SCN_UNSUPPORT:
sfp->state = BFA_SFP_STATE_UNSUPPORT;
bfa_sfp_scn_aen_post(sfp, rsp);
if (!sfp->lock)
bfa_sfp_getdata(sfp, BFI_SFP_MEM_ALL);
break;
case BFA_SFP_SCN_POM:
bfa_sfp_scn_aen_post(sfp, rsp);
break;
case BFA_SFP_SCN_VALID:
sfp->state = BFA_SFP_STATE_VALID;
if (!sfp->lock)
bfa_sfp_getdata(sfp, BFI_SFP_MEM_ALL);
break;
default:
bfa_trc(sfp, rsp->event);
WARN_ON(1);
}
}
/*
* SFP show complete
*/
static void
bfa_sfp_show_comp(struct bfa_sfp_s *sfp, struct bfi_mbmsg_s *msg)
{
struct bfi_sfp_rsp_s *rsp = (struct bfi_sfp_rsp_s *) msg;
if (!sfp->lock) {
/*
* receiving response after ioc failure
*/
bfa_trc(sfp, sfp->lock);
return;
}
bfa_trc(sfp, rsp->status);
if (rsp->status == BFA_STATUS_OK) {
sfp->data_valid = 1;
if (sfp->state == BFA_SFP_STATE_VALID)
sfp->status = BFA_STATUS_OK;
else if (sfp->state == BFA_SFP_STATE_UNSUPPORT)
sfp->status = BFA_STATUS_SFP_UNSUPP;
else
bfa_trc(sfp, sfp->state);
} else {
sfp->data_valid = 0;
sfp->status = rsp->status;
/* sfpshow shouldn't change sfp state */
}
bfa_trc(sfp, sfp->memtype);
if (sfp->memtype == BFI_SFP_MEM_DIAGEXT) {
bfa_trc(sfp, sfp->data_valid);
if (sfp->data_valid) {
u32 size = sizeof(struct sfp_mem_s);
u8 *des = (u8 *) &(sfp->sfpmem->srlid_base);
memcpy(des, sfp->dbuf_kva, size);
}
/*
* Queue completion callback.
*/
bfa_cb_sfp_show(sfp);
} else
sfp->lock = 0;
bfa_trc(sfp, sfp->state_query_lock);
if (sfp->state_query_lock) {
sfp->state = rsp->state;
/* Complete callback */
bfa_cb_sfp_state_query(sfp);
}
}
/*
* SFP query fw sfp state
*/
static void
bfa_sfp_state_query(struct bfa_sfp_s *sfp)
{
struct bfi_sfp_req_s *req = (struct bfi_sfp_req_s *)sfp->mbcmd.msg;
/* Should not be doing query if not in _INIT state */
WARN_ON(sfp->state != BFA_SFP_STATE_INIT);
WARN_ON(sfp->state_query_lock != 0);
bfa_trc(sfp, sfp->state);
sfp->state_query_lock = 1;
req->memtype = 0;
if (!sfp->lock)
bfa_sfp_getdata(sfp, BFI_SFP_MEM_ALL);
}
static void
bfa_sfp_media_get(struct bfa_sfp_s *sfp)
{
enum bfa_defs_sfp_media_e *media = sfp->media;
*media = BFA_SFP_MEDIA_UNKNOWN;
if (sfp->state == BFA_SFP_STATE_UNSUPPORT)
*media = BFA_SFP_MEDIA_UNSUPPORT;
else if (sfp->state == BFA_SFP_STATE_VALID) {
union sfp_xcvr_e10g_code_u e10g;
struct sfp_mem_s *sfpmem = (struct sfp_mem_s *)sfp->dbuf_kva;
u16 xmtr_tech = (sfpmem->srlid_base.xcvr[4] & 0x3) << 7 |
(sfpmem->srlid_base.xcvr[5] >> 1);
e10g.b = sfpmem->srlid_base.xcvr[0];
bfa_trc(sfp, e10g.b);
bfa_trc(sfp, xmtr_tech);
/* check fc transmitter tech */
if ((xmtr_tech & SFP_XMTR_TECH_CU) ||
(xmtr_tech & SFP_XMTR_TECH_CP) ||
(xmtr_tech & SFP_XMTR_TECH_CA))
*media = BFA_SFP_MEDIA_CU;
else if ((xmtr_tech & SFP_XMTR_TECH_EL_INTRA) ||
(xmtr_tech & SFP_XMTR_TECH_EL_INTER))
*media = BFA_SFP_MEDIA_EL;
else if ((xmtr_tech & SFP_XMTR_TECH_LL) ||
(xmtr_tech & SFP_XMTR_TECH_LC))
*media = BFA_SFP_MEDIA_LW;
else if ((xmtr_tech & SFP_XMTR_TECH_SL) ||
(xmtr_tech & SFP_XMTR_TECH_SN) ||
(xmtr_tech & SFP_XMTR_TECH_SA))
*media = BFA_SFP_MEDIA_SW;
/* Check 10G Ethernet Compilance code */
else if (e10g.r.e10g_sr)
*media = BFA_SFP_MEDIA_SW;
else if (e10g.r.e10g_lrm && e10g.r.e10g_lr)
*media = BFA_SFP_MEDIA_LW;
else if (e10g.r.e10g_unall)
*media = BFA_SFP_MEDIA_UNKNOWN;
else
bfa_trc(sfp, 0);
} else
bfa_trc(sfp, sfp->state);
}
static bfa_status_t
bfa_sfp_speed_valid(struct bfa_sfp_s *sfp, enum bfa_port_speed portspeed)
{
struct sfp_mem_s *sfpmem = (struct sfp_mem_s *)sfp->dbuf_kva;
struct sfp_xcvr_s *xcvr = (struct sfp_xcvr_s *) sfpmem->srlid_base.xcvr;
union sfp_xcvr_fc3_code_u fc3 = xcvr->fc3;
union sfp_xcvr_e10g_code_u e10g = xcvr->e10g;
if (portspeed == BFA_PORT_SPEED_10GBPS) {
if (e10g.r.e10g_sr || e10g.r.e10g_lr)
return BFA_STATUS_OK;
else {
bfa_trc(sfp, e10g.b);
return BFA_STATUS_UNSUPP_SPEED;
}
}
if (((portspeed & BFA_PORT_SPEED_16GBPS) && fc3.r.mb1600) ||
((portspeed & BFA_PORT_SPEED_8GBPS) && fc3.r.mb800) ||
((portspeed & BFA_PORT_SPEED_4GBPS) && fc3.r.mb400) ||
((portspeed & BFA_PORT_SPEED_2GBPS) && fc3.r.mb200) ||
((portspeed & BFA_PORT_SPEED_1GBPS) && fc3.r.mb100))
return BFA_STATUS_OK;
else {
bfa_trc(sfp, portspeed);
bfa_trc(sfp, fc3.b);
bfa_trc(sfp, e10g.b);
return BFA_STATUS_UNSUPP_SPEED;
}
}
/*
* SFP hmbox handler
*/
void
bfa_sfp_intr(void *sfparg, struct bfi_mbmsg_s *msg)
{
struct bfa_sfp_s *sfp = sfparg;
switch (msg->mh.msg_id) {
case BFI_SFP_I2H_SHOW:
bfa_sfp_show_comp(sfp, msg);
break;
case BFI_SFP_I2H_SCN:
bfa_sfp_scn(sfp, msg);
break;
default:
bfa_trc(sfp, msg->mh.msg_id);
WARN_ON(1);
}
}
/*
* Return DMA memory needed by sfp module.
*/
u32
bfa_sfp_meminfo(void)
{
return BFA_ROUNDUP(sizeof(struct sfp_mem_s), BFA_DMA_ALIGN_SZ);
}
/*
* Attach virtual and physical memory for SFP.
*/
void
bfa_sfp_attach(struct bfa_sfp_s *sfp, struct bfa_ioc_s *ioc, void *dev,
struct bfa_trc_mod_s *trcmod)
{
sfp->dev = dev;
sfp->ioc = ioc;
sfp->trcmod = trcmod;
sfp->cbfn = NULL;
sfp->cbarg = NULL;
sfp->sfpmem = NULL;
sfp->lock = 0;
sfp->data_valid = 0;
sfp->state = BFA_SFP_STATE_INIT;
sfp->state_query_lock = 0;
sfp->state_query_cbfn = NULL;
sfp->state_query_cbarg = NULL;
sfp->media = NULL;
sfp->portspeed = BFA_PORT_SPEED_UNKNOWN;
sfp->is_elb = BFA_FALSE;
bfa_ioc_mbox_regisr(sfp->ioc, BFI_MC_SFP, bfa_sfp_intr, sfp);
bfa_q_qe_init(&sfp->ioc_notify);
bfa_ioc_notify_init(&sfp->ioc_notify, bfa_sfp_notify, sfp);
list_add_tail(&sfp->ioc_notify.qe, &sfp->ioc->notify_q);
}
/*
* Claim Memory for SFP
*/
void
bfa_sfp_memclaim(struct bfa_sfp_s *sfp, u8 *dm_kva, u64 dm_pa)
{
sfp->dbuf_kva = dm_kva;
sfp->dbuf_pa = dm_pa;
memset(sfp->dbuf_kva, 0, sizeof(struct sfp_mem_s));
dm_kva += BFA_ROUNDUP(sizeof(struct sfp_mem_s), BFA_DMA_ALIGN_SZ);
dm_pa += BFA_ROUNDUP(sizeof(struct sfp_mem_s), BFA_DMA_ALIGN_SZ);
}
/*
* Show SFP eeprom content
*
* @param[in] sfp - bfa sfp module
*
* @param[out] sfpmem - sfp eeprom data
*
*/
bfa_status_t
bfa_sfp_show(struct bfa_sfp_s *sfp, struct sfp_mem_s *sfpmem,
bfa_cb_sfp_t cbfn, void *cbarg)
{
if (!bfa_ioc_is_operational(sfp->ioc)) {
bfa_trc(sfp, 0);
return BFA_STATUS_IOC_NON_OP;
}
if (sfp->lock) {
bfa_trc(sfp, 0);
return BFA_STATUS_DEVBUSY;
}
sfp->cbfn = cbfn;
sfp->cbarg = cbarg;
sfp->sfpmem = sfpmem;
bfa_sfp_getdata(sfp, BFI_SFP_MEM_DIAGEXT);
return BFA_STATUS_OK;
}
/*
* Return SFP Media type
*
* @param[in] sfp - bfa sfp module
*
* @param[out] media - port speed from user
*
*/
bfa_status_t
bfa_sfp_media(struct bfa_sfp_s *sfp, enum bfa_defs_sfp_media_e *media,
bfa_cb_sfp_t cbfn, void *cbarg)
{
if (!bfa_ioc_is_operational(sfp->ioc)) {
bfa_trc(sfp, 0);
return BFA_STATUS_IOC_NON_OP;
}
sfp->media = media;
if (sfp->state == BFA_SFP_STATE_INIT) {
if (sfp->state_query_lock) {
bfa_trc(sfp, 0);
return BFA_STATUS_DEVBUSY;
} else {
sfp->state_query_cbfn = cbfn;
sfp->state_query_cbarg = cbarg;
bfa_sfp_state_query(sfp);
return BFA_STATUS_SFP_NOT_READY;
}
}
bfa_sfp_media_get(sfp);
return BFA_STATUS_OK;
}
/*
* Check if user set port speed is allowed by the SFP
*
* @param[in] sfp - bfa sfp module
* @param[in] portspeed - port speed from user
*
*/
bfa_status_t
bfa_sfp_speed(struct bfa_sfp_s *sfp, enum bfa_port_speed portspeed,
bfa_cb_sfp_t cbfn, void *cbarg)
{
WARN_ON(portspeed == BFA_PORT_SPEED_UNKNOWN);
if (!bfa_ioc_is_operational(sfp->ioc))
return BFA_STATUS_IOC_NON_OP;
/* For Mezz card, all speed is allowed */
if (bfa_mfg_is_mezz(sfp->ioc->attr->card_type))
return BFA_STATUS_OK;
/* Check SFP state */
sfp->portspeed = portspeed;
if (sfp->state == BFA_SFP_STATE_INIT) {
if (sfp->state_query_lock) {
bfa_trc(sfp, 0);
return BFA_STATUS_DEVBUSY;
} else {
sfp->state_query_cbfn = cbfn;
sfp->state_query_cbarg = cbarg;
bfa_sfp_state_query(sfp);
return BFA_STATUS_SFP_NOT_READY;
}
}
if (sfp->state == BFA_SFP_STATE_REMOVED ||
sfp->state == BFA_SFP_STATE_FAILED) {
bfa_trc(sfp, sfp->state);
return BFA_STATUS_NO_SFP_DEV;
}
if (sfp->state == BFA_SFP_STATE_INSERTED) {
bfa_trc(sfp, sfp->state);
return BFA_STATUS_DEVBUSY; /* sfp is reading data */
}
/* For eloopback, all speed is allowed */
if (sfp->is_elb)
return BFA_STATUS_OK;
return bfa_sfp_speed_valid(sfp, portspeed);
}
/*
* Flash module specific
*/
/*
* FLASH DMA buffer should be big enough to hold both MFG block and
* asic block(64k) at the same time and also should be 2k aligned to
* avoid write segement to cross sector boundary.
*/
#define BFA_FLASH_SEG_SZ 2048
#define BFA_FLASH_DMA_BUF_SZ \
BFA_ROUNDUP(0x010000 + sizeof(struct bfa_mfg_block_s), BFA_FLASH_SEG_SZ)
static void
bfa_flash_aen_audit_post(struct bfa_ioc_s *ioc, enum bfa_audit_aen_event event,
int inst, int type)
{
struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad;
struct bfa_aen_entry_s *aen_entry;
bfad_get_aen_entry(bfad, aen_entry);
if (!aen_entry)
return;
aen_entry->aen_data.audit.pwwn = ioc->attr->pwwn;
aen_entry->aen_data.audit.partition_inst = inst;
aen_entry->aen_data.audit.partition_type = type;
/* Send the AEN notification */
bfad_im_post_vendor_event(aen_entry, bfad, ++ioc->ioc_aen_seq,
BFA_AEN_CAT_AUDIT, event);
}
static void
bfa_flash_cb(struct bfa_flash_s *flash)
{
flash->op_busy = 0;
if (flash->cbfn)
flash->cbfn(flash->cbarg, flash->status);
}
static void
bfa_flash_notify(void *cbarg, enum bfa_ioc_event_e event)
{
struct bfa_flash_s *flash = cbarg;
bfa_trc(flash, event);
switch (event) {
case BFA_IOC_E_DISABLED:
case BFA_IOC_E_FAILED:
if (flash->op_busy) {
flash->status = BFA_STATUS_IOC_FAILURE;
flash->cbfn(flash->cbarg, flash->status);
flash->op_busy = 0;
}
break;
default:
break;
}
}
/*
* Send flash attribute query request.
*
* @param[in] cbarg - callback argument
*/
static void
bfa_flash_query_send(void *cbarg)
{
struct bfa_flash_s *flash = cbarg;
struct bfi_flash_query_req_s *msg =
(struct bfi_flash_query_req_s *) flash->mb.msg;
bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_QUERY_REQ,
bfa_ioc_portid(flash->ioc));
bfa_alen_set(&msg->alen, sizeof(struct bfa_flash_attr_s),
flash->dbuf_pa);
bfa_ioc_mbox_queue(flash->ioc, &flash->mb);
}
/*
* Send flash write request.
*
* @param[in] cbarg - callback argument
*/
static void
bfa_flash_write_send(struct bfa_flash_s *flash)
{
struct bfi_flash_write_req_s *msg =
(struct bfi_flash_write_req_s *) flash->mb.msg;
u32 len;
msg->type = be32_to_cpu(flash->type);
msg->instance = flash->instance;
msg->offset = be32_to_cpu(flash->addr_off + flash->offset);
len = (flash->residue < BFA_FLASH_DMA_BUF_SZ) ?
flash->residue : BFA_FLASH_DMA_BUF_SZ;
msg->length = be32_to_cpu(len);
/* indicate if it's the last msg of the whole write operation */
msg->last = (len == flash->residue) ? 1 : 0;
bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_WRITE_REQ,
bfa_ioc_portid(flash->ioc));
bfa_alen_set(&msg->alen, len, flash->dbuf_pa);
memcpy(flash->dbuf_kva, flash->ubuf + flash->offset, len);
bfa_ioc_mbox_queue(flash->ioc, &flash->mb);
flash->residue -= len;
flash->offset += len;
}
/*
* Send flash read request.
*
* @param[in] cbarg - callback argument
*/
static void
bfa_flash_read_send(void *cbarg)
{
struct bfa_flash_s *flash = cbarg;
struct bfi_flash_read_req_s *msg =
(struct bfi_flash_read_req_s *) flash->mb.msg;
u32 len;
msg->type = be32_to_cpu(flash->type);
msg->instance = flash->instance;
msg->offset = be32_to_cpu(flash->addr_off + flash->offset);
len = (flash->residue < BFA_FLASH_DMA_BUF_SZ) ?
flash->residue : BFA_FLASH_DMA_BUF_SZ;
msg->length = be32_to_cpu(len);
bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_READ_REQ,
bfa_ioc_portid(flash->ioc));
bfa_alen_set(&msg->alen, len, flash->dbuf_pa);
bfa_ioc_mbox_queue(flash->ioc, &flash->mb);
}
/*
* Send flash erase request.
*
* @param[in] cbarg - callback argument
*/
static void
bfa_flash_erase_send(void *cbarg)
{
struct bfa_flash_s *flash = cbarg;
struct bfi_flash_erase_req_s *msg =
(struct bfi_flash_erase_req_s *) flash->mb.msg;
msg->type = be32_to_cpu(flash->type);
msg->instance = flash->instance;
bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_ERASE_REQ,
bfa_ioc_portid(flash->ioc));
bfa_ioc_mbox_queue(flash->ioc, &flash->mb);
}
/*
* Process flash response messages upon receiving interrupts.
*
* @param[in] flasharg - flash structure
* @param[in] msg - message structure
*/
static void
bfa_flash_intr(void *flasharg, struct bfi_mbmsg_s *msg)
{
struct bfa_flash_s *flash = flasharg;
u32 status;
union {
struct bfi_flash_query_rsp_s *query;
struct bfi_flash_erase_rsp_s *erase;
struct bfi_flash_write_rsp_s *write;
struct bfi_flash_read_rsp_s *read;
struct bfi_flash_event_s *event;
struct bfi_mbmsg_s *msg;
} m;
m.msg = msg;
bfa_trc(flash, msg->mh.msg_id);
if (!flash->op_busy && msg->mh.msg_id != BFI_FLASH_I2H_EVENT) {
/* receiving response after ioc failure */
bfa_trc(flash, 0x9999);
return;
}
switch (msg->mh.msg_id) {
case BFI_FLASH_I2H_QUERY_RSP:
status = be32_to_cpu(m.query->status);
bfa_trc(flash, status);
if (status == BFA_STATUS_OK) {
u32 i;
struct bfa_flash_attr_s *attr, *f;
attr = (struct bfa_flash_attr_s *) flash->ubuf;
f = (struct bfa_flash_attr_s *) flash->dbuf_kva;
attr->status = be32_to_cpu(f->status);
attr->npart = be32_to_cpu(f->npart);
bfa_trc(flash, attr->status);
bfa_trc(flash, attr->npart);
for (i = 0; i < attr->npart; i++) {
attr->part[i].part_type =
be32_to_cpu(f->part[i].part_type);
attr->part[i].part_instance =
be32_to_cpu(f->part[i].part_instance);
attr->part[i].part_off =
be32_to_cpu(f->part[i].part_off);
attr->part[i].part_size =
be32_to_cpu(f->part[i].part_size);
attr->part[i].part_len =
be32_to_cpu(f->part[i].part_len);
attr->part[i].part_status =
be32_to_cpu(f->part[i].part_status);
}
}
flash->status = status;
bfa_flash_cb(flash);
break;
case BFI_FLASH_I2H_ERASE_RSP:
status = be32_to_cpu(m.erase->status);
bfa_trc(flash, status);
flash->status = status;
bfa_flash_cb(flash);
break;
case BFI_FLASH_I2H_WRITE_RSP:
status = be32_to_cpu(m.write->status);
bfa_trc(flash, status);
if (status != BFA_STATUS_OK || flash->residue == 0) {
flash->status = status;
bfa_flash_cb(flash);
} else {
bfa_trc(flash, flash->offset);
bfa_flash_write_send(flash);
}
break;
case BFI_FLASH_I2H_READ_RSP:
status = be32_to_cpu(m.read->status);
bfa_trc(flash, status);
if (status != BFA_STATUS_OK) {
flash->status = status;
bfa_flash_cb(flash);
} else {
u32 len = be32_to_cpu(m.read->length);
bfa_trc(flash, flash->offset);
bfa_trc(flash, len);
memcpy(flash->ubuf + flash->offset,
flash->dbuf_kva, len);
flash->residue -= len;
flash->offset += len;
if (flash->residue == 0) {
flash->status = status;
bfa_flash_cb(flash);
} else
bfa_flash_read_send(flash);
}
break;
case BFI_FLASH_I2H_BOOT_VER_RSP:
break;
case BFI_FLASH_I2H_EVENT:
status = be32_to_cpu(m.event->status);
bfa_trc(flash, status);
if (status == BFA_STATUS_BAD_FWCFG)
bfa_ioc_aen_post(flash->ioc, BFA_IOC_AEN_FWCFG_ERROR);
else if (status == BFA_STATUS_INVALID_VENDOR) {
u32 param;
param = be32_to_cpu(m.event->param);
bfa_trc(flash, param);
bfa_ioc_aen_post(flash->ioc,
BFA_IOC_AEN_INVALID_VENDOR);
}
break;
default:
WARN_ON(1);
}
}
/*
* Flash memory info API.
*
* @param[in] mincfg - minimal cfg variable
*/
u32
bfa_flash_meminfo(bfa_boolean_t mincfg)
{
/* min driver doesn't need flash */
if (mincfg)
return 0;
return BFA_ROUNDUP(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
}
/*
* Flash attach API.
*
* @param[in] flash - flash structure
* @param[in] ioc - ioc structure
* @param[in] dev - device structure
* @param[in] trcmod - trace module
* @param[in] logmod - log module
*/
void
bfa_flash_attach(struct bfa_flash_s *flash, struct bfa_ioc_s *ioc, void *dev,
struct bfa_trc_mod_s *trcmod, bfa_boolean_t mincfg)
{
flash->ioc = ioc;
flash->trcmod = trcmod;
flash->cbfn = NULL;
flash->cbarg = NULL;
flash->op_busy = 0;
bfa_ioc_mbox_regisr(flash->ioc, BFI_MC_FLASH, bfa_flash_intr, flash);
bfa_q_qe_init(&flash->ioc_notify);
bfa_ioc_notify_init(&flash->ioc_notify, bfa_flash_notify, flash);
list_add_tail(&flash->ioc_notify.qe, &flash->ioc->notify_q);
/* min driver doesn't need flash */
if (mincfg) {
flash->dbuf_kva = NULL;
flash->dbuf_pa = 0;
}
}
/*
* Claim memory for flash
*
* @param[in] flash - flash structure
* @param[in] dm_kva - pointer to virtual memory address
* @param[in] dm_pa - physical memory address
* @param[in] mincfg - minimal cfg variable
*/
void
bfa_flash_memclaim(struct bfa_flash_s *flash, u8 *dm_kva, u64 dm_pa,
bfa_boolean_t mincfg)
{
if (mincfg)
return;
flash->dbuf_kva = dm_kva;
flash->dbuf_pa = dm_pa;
memset(flash->dbuf_kva, 0, BFA_FLASH_DMA_BUF_SZ);
dm_kva += BFA_ROUNDUP(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
dm_pa += BFA_ROUNDUP(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
}
/*
* Get flash attribute.
*
* @param[in] flash - flash structure
* @param[in] attr - flash attribute structure
* @param[in] cbfn - callback function
* @param[in] cbarg - callback argument
*
* Return status.
*/
bfa_status_t
bfa_flash_get_attr(struct bfa_flash_s *flash, struct bfa_flash_attr_s *attr,
bfa_cb_flash_t cbfn, void *cbarg)
{
bfa_trc(flash, BFI_FLASH_H2I_QUERY_REQ);
if (!bfa_ioc_is_operational(flash->ioc))
return BFA_STATUS_IOC_NON_OP;
if (flash->op_busy) {
bfa_trc(flash, flash->op_busy);
return BFA_STATUS_DEVBUSY;
}
flash->op_busy = 1;
flash->cbfn = cbfn;
flash->cbarg = cbarg;
flash->ubuf = (u8 *) attr;
bfa_flash_query_send(flash);
return BFA_STATUS_OK;
}
/*
* Erase flash partition.
*
* @param[in] flash - flash structure
* @param[in] type - flash partition type
* @param[in] instance - flash partition instance
* @param[in] cbfn - callback function
* @param[in] cbarg - callback argument
*
* Return status.
*/
bfa_status_t
bfa_flash_erase_part(struct bfa_flash_s *flash, enum bfa_flash_part_type type,
u8 instance, bfa_cb_flash_t cbfn, void *cbarg)
{
bfa_trc(flash, BFI_FLASH_H2I_ERASE_REQ);
bfa_trc(flash, type);
bfa_trc(flash, instance);
if (!bfa_ioc_is_operational(flash->ioc))
return BFA_STATUS_IOC_NON_OP;
if (flash->op_busy) {
bfa_trc(flash, flash->op_busy);
return BFA_STATUS_DEVBUSY;
}
flash->op_busy = 1;
flash->cbfn = cbfn;
flash->cbarg = cbarg;
flash->type = type;
flash->instance = instance;
bfa_flash_erase_send(flash);
bfa_flash_aen_audit_post(flash->ioc, BFA_AUDIT_AEN_FLASH_ERASE,
instance, type);
return BFA_STATUS_OK;
}
/*
* Update flash partition.
*
* @param[in] flash - flash structure
* @param[in] type - flash partition type
* @param[in] instance - flash partition instance
* @param[in] buf - update data buffer
* @param[in] len - data buffer length
* @param[in] offset - offset relative to the partition starting address
* @param[in] cbfn - callback function
* @param[in] cbarg - callback argument
*
* Return status.
*/
bfa_status_t
bfa_flash_update_part(struct bfa_flash_s *flash, enum bfa_flash_part_type type,
u8 instance, void *buf, u32 len, u32 offset,
bfa_cb_flash_t cbfn, void *cbarg)
{
bfa_trc(flash, BFI_FLASH_H2I_WRITE_REQ);
bfa_trc(flash, type);
bfa_trc(flash, instance);
bfa_trc(flash, len);
bfa_trc(flash, offset);
if (!bfa_ioc_is_operational(flash->ioc))
return BFA_STATUS_IOC_NON_OP;
/*
* 'len' must be in word (4-byte) boundary
* 'offset' must be in sector (16kb) boundary
*/
if (!len || (len & 0x03) || (offset & 0x00003FFF))
return BFA_STATUS_FLASH_BAD_LEN;
if (type == BFA_FLASH_PART_MFG)
return BFA_STATUS_EINVAL;
if (flash->op_busy) {
bfa_trc(flash, flash->op_busy);
return BFA_STATUS_DEVBUSY;
}
flash->op_busy = 1;
flash->cbfn = cbfn;
flash->cbarg = cbarg;
flash->type = type;
flash->instance = instance;
flash->residue = len;
flash->offset = 0;
flash->addr_off = offset;
flash->ubuf = buf;
bfa_flash_write_send(flash);
return BFA_STATUS_OK;
}
/*
* Read flash partition.
*
* @param[in] flash - flash structure
* @param[in] type - flash partition type
* @param[in] instance - flash partition instance
* @param[in] buf - read data buffer
* @param[in] len - data buffer length
* @param[in] offset - offset relative to the partition starting address
* @param[in] cbfn - callback function
* @param[in] cbarg - callback argument
*
* Return status.
*/
bfa_status_t
bfa_flash_read_part(struct bfa_flash_s *flash, enum bfa_flash_part_type type,
u8 instance, void *buf, u32 len, u32 offset,
bfa_cb_flash_t cbfn, void *cbarg)
{
bfa_trc(flash, BFI_FLASH_H2I_READ_REQ);
bfa_trc(flash, type);
bfa_trc(flash, instance);
bfa_trc(flash, len);
bfa_trc(flash, offset);
if (!bfa_ioc_is_operational(flash->ioc))
return BFA_STATUS_IOC_NON_OP;
/*
* 'len' must be in word (4-byte) boundary
* 'offset' must be in sector (16kb) boundary
*/
if (!len || (len & 0x03) || (offset & 0x00003FFF))
return BFA_STATUS_FLASH_BAD_LEN;
if (flash->op_busy) {
bfa_trc(flash, flash->op_busy);
return BFA_STATUS_DEVBUSY;
}
flash->op_busy = 1;
flash->cbfn = cbfn;
flash->cbarg = cbarg;
flash->type = type;
flash->instance = instance;
flash->residue = len;
flash->offset = 0;
flash->addr_off = offset;
flash->ubuf = buf;
bfa_flash_read_send(flash);
return BFA_STATUS_OK;
}
/*
* DIAG module specific
*/
#define BFA_DIAG_MEMTEST_TOV 50000 /* memtest timeout in msec */
#define BFA_DIAG_FWPING_TOV 1000 /* msec */
/* IOC event handler */
static void
bfa_diag_notify(void *diag_arg, enum bfa_ioc_event_e event)
{
struct bfa_diag_s *diag = diag_arg;
bfa_trc(diag, event);
bfa_trc(diag, diag->block);
bfa_trc(diag, diag->fwping.lock);
bfa_trc(diag, diag->tsensor.lock);
switch (event) {
case BFA_IOC_E_DISABLED:
case BFA_IOC_E_FAILED:
if (diag->fwping.lock) {
diag->fwping.status = BFA_STATUS_IOC_FAILURE;
diag->fwping.cbfn(diag->fwping.cbarg,
diag->fwping.status);
diag->fwping.lock = 0;
}
if (diag->tsensor.lock) {
diag->tsensor.status = BFA_STATUS_IOC_FAILURE;
diag->tsensor.cbfn(diag->tsensor.cbarg,
diag->tsensor.status);
diag->tsensor.lock = 0;
}
if (diag->block) {
if (diag->timer_active) {
bfa_timer_stop(&diag->timer);
diag->timer_active = 0;
}
diag->status = BFA_STATUS_IOC_FAILURE;
diag->cbfn(diag->cbarg, diag->status);
diag->block = 0;
}
break;
default:
break;
}
}
static void
bfa_diag_memtest_done(void *cbarg)
{
struct bfa_diag_s *diag = cbarg;
struct bfa_ioc_s *ioc = diag->ioc;
struct bfa_diag_memtest_result *res = diag->result;
u32 loff = BFI_BOOT_MEMTEST_RES_ADDR;
u32 pgnum, pgoff, i;
pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, loff);
pgoff = PSS_SMEM_PGOFF(loff);
writel(pgnum, ioc->ioc_regs.host_page_num_fn);
for (i = 0; i < (sizeof(struct bfa_diag_memtest_result) /
sizeof(u32)); i++) {
/* read test result from smem */
*((u32 *) res + i) =
bfa_mem_read(ioc->ioc_regs.smem_page_start, loff);
loff += sizeof(u32);
}
/* Reset IOC fwstates to BFI_IOC_UNINIT */
bfa_ioc_reset_fwstate(ioc);
res->status = swab32(res->status);
bfa_trc(diag, res->status);
if (res->status == BFI_BOOT_MEMTEST_RES_SIG)
diag->status = BFA_STATUS_OK;
else {
diag->status = BFA_STATUS_MEMTEST_FAILED;
res->addr = swab32(res->addr);
res->exp = swab32(res->exp);
res->act = swab32(res->act);
res->err_status = swab32(res->err_status);
res->err_status1 = swab32(res->err_status1);
res->err_addr = swab32(res->err_addr);
bfa_trc(diag, res->addr);
bfa_trc(diag, res->exp);
bfa_trc(diag, res->act);
bfa_trc(diag, res->err_status);
bfa_trc(diag, res->err_status1);
bfa_trc(diag, res->err_addr);
}
diag->timer_active = 0;
diag->cbfn(diag->cbarg, diag->status);
diag->block = 0;
}
/*
* Firmware ping
*/
/*
* Perform DMA test directly
*/
static void
diag_fwping_send(struct bfa_diag_s *diag)
{
struct bfi_diag_fwping_req_s *fwping_req;
u32 i;
bfa_trc(diag, diag->fwping.dbuf_pa);
/* fill DMA area with pattern */
for (i = 0; i < (BFI_DIAG_DMA_BUF_SZ >> 2); i++)
*((u32 *)diag->fwping.dbuf_kva + i) = diag->fwping.data;
/* Fill mbox msg */
fwping_req = (struct bfi_diag_fwping_req_s *)diag->fwping.mbcmd.msg;
/* Setup SG list */
bfa_alen_set(&fwping_req->alen, BFI_DIAG_DMA_BUF_SZ,
diag->fwping.dbuf_pa);
/* Set up dma count */
fwping_req->count = cpu_to_be32(diag->fwping.count);
/* Set up data pattern */
fwping_req->data = diag->fwping.data;
/* build host command */
bfi_h2i_set(fwping_req->mh, BFI_MC_DIAG, BFI_DIAG_H2I_FWPING,
bfa_ioc_portid(diag->ioc));
/* send mbox cmd */
bfa_ioc_mbox_queue(diag->ioc, &diag->fwping.mbcmd);
}
static void
diag_fwping_comp(struct bfa_diag_s *diag,
struct bfi_diag_fwping_rsp_s *diag_rsp)
{
u32 rsp_data = diag_rsp->data;
u8 rsp_dma_status = diag_rsp->dma_status;
bfa_trc(diag, rsp_data);
bfa_trc(diag, rsp_dma_status);
if (rsp_dma_status == BFA_STATUS_OK) {
u32 i, pat;
pat = (diag->fwping.count & 0x1) ? ~(diag->fwping.data) :
diag->fwping.data;
/* Check mbox data */
if (diag->fwping.data != rsp_data) {
bfa_trc(diag, rsp_data);
diag->fwping.result->dmastatus =
BFA_STATUS_DATACORRUPTED;
diag->fwping.status = BFA_STATUS_DATACORRUPTED;
diag->fwping.cbfn(diag->fwping.cbarg,
diag->fwping.status);
diag->fwping.lock = 0;
return;
}
/* Check dma pattern */
for (i = 0; i < (BFI_DIAG_DMA_BUF_SZ >> 2); i++) {
if (*((u32 *)diag->fwping.dbuf_kva + i) != pat) {
bfa_trc(diag, i);
bfa_trc(diag, pat);
bfa_trc(diag,
*((u32 *)diag->fwping.dbuf_kva + i));
diag->fwping.result->dmastatus =
BFA_STATUS_DATACORRUPTED;
diag->fwping.status = BFA_STATUS_DATACORRUPTED;
diag->fwping.cbfn(diag->fwping.cbarg,
diag->fwping.status);
diag->fwping.lock = 0;
return;
}
}
diag->fwping.result->dmastatus = BFA_STATUS_OK;
diag->fwping.status = BFA_STATUS_OK;
diag->fwping.cbfn(diag->fwping.cbarg, diag->fwping.status);
diag->fwping.lock = 0;
} else {
diag->fwping.status = BFA_STATUS_HDMA_FAILED;
diag->fwping.cbfn(diag->fwping.cbarg, diag->fwping.status);
diag->fwping.lock = 0;
}
}
/*
* Temperature Sensor
*/
static void
diag_tempsensor_send(struct bfa_diag_s *diag)
{
struct bfi_diag_ts_req_s *msg;
msg = (struct bfi_diag_ts_req_s *)diag->tsensor.mbcmd.msg;
bfa_trc(diag, msg->temp);
/* build host command */
bfi_h2i_set(msg->mh, BFI_MC_DIAG, BFI_DIAG_H2I_TEMPSENSOR,
bfa_ioc_portid(diag->ioc));
/* send mbox cmd */
bfa_ioc_mbox_queue(diag->ioc, &diag->tsensor.mbcmd);
}
static void
diag_tempsensor_comp(struct bfa_diag_s *diag, bfi_diag_ts_rsp_t *rsp)
{
if (!diag->tsensor.lock) {
/* receiving response after ioc failure */
bfa_trc(diag, diag->tsensor.lock);
return;
}
/*
* ASIC junction tempsensor is a reg read operation
* it will always return OK
*/
diag->tsensor.temp->temp = be16_to_cpu(rsp->temp);
diag->tsensor.temp->ts_junc = rsp->ts_junc;
diag->tsensor.temp->ts_brd = rsp->ts_brd;
diag->tsensor.temp->status = BFA_STATUS_OK;
if (rsp->ts_brd) {
if (rsp->status == BFA_STATUS_OK) {
diag->tsensor.temp->brd_temp =
be16_to_cpu(rsp->brd_temp);
} else {
bfa_trc(diag, rsp->status);
diag->tsensor.temp->brd_temp = 0;
diag->tsensor.temp->status = BFA_STATUS_DEVBUSY;
}
}
bfa_trc(diag, rsp->ts_junc);
bfa_trc(diag, rsp->temp);
bfa_trc(diag, rsp->ts_brd);
bfa_trc(diag, rsp->brd_temp);
diag->tsensor.cbfn(diag->tsensor.cbarg, diag->tsensor.status);
diag->tsensor.lock = 0;
}
/*
* LED Test command
*/
static void
diag_ledtest_send(struct bfa_diag_s *diag, struct bfa_diag_ledtest_s *ledtest)
{
struct bfi_diag_ledtest_req_s *msg;
msg = (struct bfi_diag_ledtest_req_s *)diag->ledtest.mbcmd.msg;
/* build host command */
bfi_h2i_set(msg->mh, BFI_MC_DIAG, BFI_DIAG_H2I_LEDTEST,
bfa_ioc_portid(diag->ioc));
/*
* convert the freq from N blinks per 10 sec to
* crossbow ontime value. We do it here because division is need
*/
if (ledtest->freq)
ledtest->freq = 500 / ledtest->freq;
if (ledtest->freq == 0)
ledtest->freq = 1;
bfa_trc(diag, ledtest->freq);
/* mcpy(&ledtest_req->req, ledtest, sizeof(bfa_diag_ledtest_t)); */
msg->cmd = (u8) ledtest->cmd;
msg->color = (u8) ledtest->color;
msg->portid = bfa_ioc_portid(diag->ioc);
msg->led = ledtest->led;
msg->freq = cpu_to_be16(ledtest->freq);
/* send mbox cmd */
bfa_ioc_mbox_queue(diag->ioc, &diag->ledtest.mbcmd);
}
static void
diag_ledtest_comp(struct bfa_diag_s *diag, struct bfi_diag_ledtest_rsp_s *msg)
{
bfa_trc(diag, diag->ledtest.lock);
diag->ledtest.lock = BFA_FALSE;
/* no bfa_cb_queue is needed because driver is not waiting */
}
/*
* Port beaconing
*/
static void
diag_portbeacon_send(struct bfa_diag_s *diag, bfa_boolean_t beacon, u32 sec)
{
struct bfi_diag_portbeacon_req_s *msg;
msg = (struct bfi_diag_portbeacon_req_s *)diag->beacon.mbcmd.msg;
/* build host command */
bfi_h2i_set(msg->mh, BFI_MC_DIAG, BFI_DIAG_H2I_PORTBEACON,
bfa_ioc_portid(diag->ioc));
msg->beacon = beacon;
msg->period = cpu_to_be32(sec);
/* send mbox cmd */
bfa_ioc_mbox_queue(diag->ioc, &diag->beacon.mbcmd);
}
static void
diag_portbeacon_comp(struct bfa_diag_s *diag)
{
bfa_trc(diag, diag->beacon.state);
diag->beacon.state = BFA_FALSE;
if (diag->cbfn_beacon)
diag->cbfn_beacon(diag->dev, BFA_FALSE, diag->beacon.link_e2e);
}
/*
* Diag hmbox handler
*/
void
bfa_diag_intr(void *diagarg, struct bfi_mbmsg_s *msg)
{
struct bfa_diag_s *diag = diagarg;
switch (msg->mh.msg_id) {
case BFI_DIAG_I2H_PORTBEACON:
diag_portbeacon_comp(diag);
break;
case BFI_DIAG_I2H_FWPING:
diag_fwping_comp(diag, (struct bfi_diag_fwping_rsp_s *) msg);
break;
case BFI_DIAG_I2H_TEMPSENSOR:
diag_tempsensor_comp(diag, (bfi_diag_ts_rsp_t *) msg);
break;
case BFI_DIAG_I2H_LEDTEST:
diag_ledtest_comp(diag, (struct bfi_diag_ledtest_rsp_s *) msg);
break;
default:
bfa_trc(diag, msg->mh.msg_id);
WARN_ON(1);
}
}
/*
* Gen RAM Test
*
* @param[in] *diag - diag data struct
* @param[in] *memtest - mem test params input from upper layer,
* @param[in] pattern - mem test pattern
* @param[in] *result - mem test result
* @param[in] cbfn - mem test callback functioin
* @param[in] cbarg - callback functioin arg
*
* @param[out]
*/
bfa_status_t
bfa_diag_memtest(struct bfa_diag_s *diag, struct bfa_diag_memtest_s *memtest,
u32 pattern, struct bfa_diag_memtest_result *result,
bfa_cb_diag_t cbfn, void *cbarg)
{
bfa_trc(diag, pattern);
if (!bfa_ioc_adapter_is_disabled(diag->ioc))
return BFA_STATUS_ADAPTER_ENABLED;
/* check to see if there is another destructive diag cmd running */
if (diag->block) {
bfa_trc(diag, diag->block);
return BFA_STATUS_DEVBUSY;
} else
diag->block = 1;
diag->result = result;
diag->cbfn = cbfn;
diag->cbarg = cbarg;
/* download memtest code and take LPU0 out of reset */
bfa_ioc_boot(diag->ioc, BFI_FWBOOT_TYPE_MEMTEST, BFI_FWBOOT_ENV_OS);
bfa_timer_begin(diag->ioc->timer_mod, &diag->timer,
bfa_diag_memtest_done, diag, BFA_DIAG_MEMTEST_TOV);
diag->timer_active = 1;
return BFA_STATUS_OK;
}
/*
* DIAG firmware ping command
*
* @param[in] *diag - diag data struct
* @param[in] cnt - dma loop count for testing PCIE
* @param[in] data - data pattern to pass in fw
* @param[in] *result - pt to bfa_diag_fwping_result_t data struct
* @param[in] cbfn - callback function
* @param[in] *cbarg - callback functioin arg
*
* @param[out]
*/
bfa_status_t
bfa_diag_fwping(struct bfa_diag_s *diag, u32 cnt, u32 data,
struct bfa_diag_results_fwping *result, bfa_cb_diag_t cbfn,
void *cbarg)
{
bfa_trc(diag, cnt);
bfa_trc(diag, data);
if (!bfa_ioc_is_operational(diag->ioc))
return BFA_STATUS_IOC_NON_OP;
if (bfa_asic_id_ct2(bfa_ioc_devid((diag->ioc))) &&
((diag->ioc)->clscode == BFI_PCIFN_CLASS_ETH))
return BFA_STATUS_CMD_NOTSUPP;
/* check to see if there is another destructive diag cmd running */
if (diag->block || diag->fwping.lock) {
bfa_trc(diag, diag->block);
bfa_trc(diag, diag->fwping.lock);
return BFA_STATUS_DEVBUSY;
}
/* Initialization */
diag->fwping.lock = 1;
diag->fwping.cbfn = cbfn;
diag->fwping.cbarg = cbarg;
diag->fwping.result = result;
diag->fwping.data = data;
diag->fwping.count = cnt;
/* Init test results */
diag->fwping.result->data = 0;
diag->fwping.result->status = BFA_STATUS_OK;
/* kick off the first ping */
diag_fwping_send(diag);
return BFA_STATUS_OK;
}
/*
* Read Temperature Sensor
*
* @param[in] *diag - diag data struct
* @param[in] *result - pt to bfa_diag_temp_t data struct
* @param[in] cbfn - callback function
* @param[in] *cbarg - callback functioin arg
*
* @param[out]
*/
bfa_status_t
bfa_diag_tsensor_query(struct bfa_diag_s *diag,
struct bfa_diag_results_tempsensor_s *result,
bfa_cb_diag_t cbfn, void *cbarg)
{
/* check to see if there is a destructive diag cmd running */
if (diag->block || diag->tsensor.lock) {
bfa_trc(diag, diag->block);
bfa_trc(diag, diag->tsensor.lock);
return BFA_STATUS_DEVBUSY;
}
if (!bfa_ioc_is_operational(diag->ioc))
return BFA_STATUS_IOC_NON_OP;
/* Init diag mod params */
diag->tsensor.lock = 1;
diag->tsensor.temp = result;
diag->tsensor.cbfn = cbfn;
diag->tsensor.cbarg = cbarg;
/* Send msg to fw */
diag_tempsensor_send(diag);
return BFA_STATUS_OK;
}
/*
* LED Test command
*
* @param[in] *diag - diag data struct
* @param[in] *ledtest - pt to ledtest data structure
*
* @param[out]
*/
bfa_status_t
bfa_diag_ledtest(struct bfa_diag_s *diag, struct bfa_diag_ledtest_s *ledtest)
{
bfa_trc(diag, ledtest->cmd);
if (!bfa_ioc_is_operational(diag->ioc))
return BFA_STATUS_IOC_NON_OP;
if (diag->beacon.state)
return BFA_STATUS_BEACON_ON;
if (diag->ledtest.lock)
return BFA_STATUS_LEDTEST_OP;
/* Send msg to fw */
diag->ledtest.lock = BFA_TRUE;
diag_ledtest_send(diag, ledtest);
return BFA_STATUS_OK;
}
/*
* Port beaconing command
*
* @param[in] *diag - diag data struct
* @param[in] beacon - port beaconing 1:ON 0:OFF
* @param[in] link_e2e_beacon - link beaconing 1:ON 0:OFF
* @param[in] sec - beaconing duration in seconds
*
* @param[out]
*/
bfa_status_t
bfa_diag_beacon_port(struct bfa_diag_s *diag, bfa_boolean_t beacon,
bfa_boolean_t link_e2e_beacon, uint32_t sec)
{
bfa_trc(diag, beacon);
bfa_trc(diag, link_e2e_beacon);
bfa_trc(diag, sec);
if (!bfa_ioc_is_operational(diag->ioc))
return BFA_STATUS_IOC_NON_OP;
if (diag->ledtest.lock)
return BFA_STATUS_LEDTEST_OP;
if (diag->beacon.state && beacon) /* beacon alread on */
return BFA_STATUS_BEACON_ON;
diag->beacon.state = beacon;
diag->beacon.link_e2e = link_e2e_beacon;
if (diag->cbfn_beacon)
diag->cbfn_beacon(diag->dev, beacon, link_e2e_beacon);
/* Send msg to fw */
diag_portbeacon_send(diag, beacon, sec);
return BFA_STATUS_OK;
}
/*
* Return DMA memory needed by diag module.
*/
u32
bfa_diag_meminfo(void)
{
return BFA_ROUNDUP(BFI_DIAG_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
}
/*
* Attach virtual and physical memory for Diag.
*/
void
bfa_diag_attach(struct bfa_diag_s *diag, struct bfa_ioc_s *ioc, void *dev,
bfa_cb_diag_beacon_t cbfn_beacon, struct bfa_trc_mod_s *trcmod)
{
diag->dev = dev;
diag->ioc = ioc;
diag->trcmod = trcmod;
diag->block = 0;
diag->cbfn = NULL;
diag->cbarg = NULL;
diag->result = NULL;
diag->cbfn_beacon = cbfn_beacon;
bfa_ioc_mbox_regisr(diag->ioc, BFI_MC_DIAG, bfa_diag_intr, diag);
bfa_q_qe_init(&diag->ioc_notify);
bfa_ioc_notify_init(&diag->ioc_notify, bfa_diag_notify, diag);
list_add_tail(&diag->ioc_notify.qe, &diag->ioc->notify_q);
}
void
bfa_diag_memclaim(struct bfa_diag_s *diag, u8 *dm_kva, u64 dm_pa)
{
diag->fwping.dbuf_kva = dm_kva;
diag->fwping.dbuf_pa = dm_pa;
memset(diag->fwping.dbuf_kva, 0, BFI_DIAG_DMA_BUF_SZ);
}
/*
* PHY module specific
*/
#define BFA_PHY_DMA_BUF_SZ 0x02000 /* 8k dma buffer */
#define BFA_PHY_LOCK_STATUS 0x018878 /* phy semaphore status reg */
static void
bfa_phy_ntoh32(u32 *obuf, u32 *ibuf, int sz)
{
int i, m = sz >> 2;
for (i = 0; i < m; i++)
obuf[i] = be32_to_cpu(ibuf[i]);
}
static bfa_boolean_t
bfa_phy_present(struct bfa_phy_s *phy)
{
return (phy->ioc->attr->card_type == BFA_MFG_TYPE_LIGHTNING);
}
static void
bfa_phy_notify(void *cbarg, enum bfa_ioc_event_e event)
{
struct bfa_phy_s *phy = cbarg;
bfa_trc(phy, event);
switch (event) {
case BFA_IOC_E_DISABLED:
case BFA_IOC_E_FAILED:
if (phy->op_busy) {
phy->status = BFA_STATUS_IOC_FAILURE;
phy->cbfn(phy->cbarg, phy->status);
phy->op_busy = 0;
}
break;
default:
break;
}
}
/*
* Send phy attribute query request.
*
* @param[in] cbarg - callback argument
*/
static void
bfa_phy_query_send(void *cbarg)
{
struct bfa_phy_s *phy = cbarg;
struct bfi_phy_query_req_s *msg =
(struct bfi_phy_query_req_s *) phy->mb.msg;
msg->instance = phy->instance;
bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_QUERY_REQ,
bfa_ioc_portid(phy->ioc));
bfa_alen_set(&msg->alen, sizeof(struct bfa_phy_attr_s), phy->dbuf_pa);
bfa_ioc_mbox_queue(phy->ioc, &phy->mb);
}
/*
* Send phy write request.
*
* @param[in] cbarg - callback argument
*/
static void
bfa_phy_write_send(void *cbarg)
{
struct bfa_phy_s *phy = cbarg;
struct bfi_phy_write_req_s *msg =
(struct bfi_phy_write_req_s *) phy->mb.msg;
u32 len;
u16 *buf, *dbuf;
int i, sz;
msg->instance = phy->instance;
msg->offset = cpu_to_be32(phy->addr_off + phy->offset);
len = (phy->residue < BFA_PHY_DMA_BUF_SZ) ?
phy->residue : BFA_PHY_DMA_BUF_SZ;
msg->length = cpu_to_be32(len);
/* indicate if it's the last msg of the whole write operation */
msg->last = (len == phy->residue) ? 1 : 0;
bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_WRITE_REQ,
bfa_ioc_portid(phy->ioc));
bfa_alen_set(&msg->alen, len, phy->dbuf_pa);
buf = (u16 *) (phy->ubuf + phy->offset);
dbuf = (u16 *)phy->dbuf_kva;
sz = len >> 1;
for (i = 0; i < sz; i++)
buf[i] = cpu_to_be16(dbuf[i]);
bfa_ioc_mbox_queue(phy->ioc, &phy->mb);
phy->residue -= len;
phy->offset += len;
}
/*
* Send phy read request.
*
* @param[in] cbarg - callback argument
*/
static void
bfa_phy_read_send(void *cbarg)
{
struct bfa_phy_s *phy = cbarg;
struct bfi_phy_read_req_s *msg =
(struct bfi_phy_read_req_s *) phy->mb.msg;
u32 len;
msg->instance = phy->instance;
msg->offset = cpu_to_be32(phy->addr_off + phy->offset);
len = (phy->residue < BFA_PHY_DMA_BUF_SZ) ?
phy->residue : BFA_PHY_DMA_BUF_SZ;
msg->length = cpu_to_be32(len);
bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_READ_REQ,
bfa_ioc_portid(phy->ioc));
bfa_alen_set(&msg->alen, len, phy->dbuf_pa);
bfa_ioc_mbox_queue(phy->ioc, &phy->mb);
}
/*
* Send phy stats request.
*
* @param[in] cbarg - callback argument
*/
static void
bfa_phy_stats_send(void *cbarg)
{
struct bfa_phy_s *phy = cbarg;
struct bfi_phy_stats_req_s *msg =
(struct bfi_phy_stats_req_s *) phy->mb.msg;
msg->instance = phy->instance;
bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_STATS_REQ,
bfa_ioc_portid(phy->ioc));
bfa_alen_set(&msg->alen, sizeof(struct bfa_phy_stats_s), phy->dbuf_pa);
bfa_ioc_mbox_queue(phy->ioc, &phy->mb);
}
/*
* Flash memory info API.
*
* @param[in] mincfg - minimal cfg variable
*/
u32
bfa_phy_meminfo(bfa_boolean_t mincfg)
{
/* min driver doesn't need phy */
if (mincfg)
return 0;
return BFA_ROUNDUP(BFA_PHY_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
}
/*
* Flash attach API.
*
* @param[in] phy - phy structure
* @param[in] ioc - ioc structure
* @param[in] dev - device structure
* @param[in] trcmod - trace module
* @param[in] logmod - log module
*/
void
bfa_phy_attach(struct bfa_phy_s *phy, struct bfa_ioc_s *ioc, void *dev,
struct bfa_trc_mod_s *trcmod, bfa_boolean_t mincfg)
{
phy->ioc = ioc;
phy->trcmod = trcmod;
phy->cbfn = NULL;
phy->cbarg = NULL;
phy->op_busy = 0;
bfa_ioc_mbox_regisr(phy->ioc, BFI_MC_PHY, bfa_phy_intr, phy);
bfa_q_qe_init(&phy->ioc_notify);
bfa_ioc_notify_init(&phy->ioc_notify, bfa_phy_notify, phy);
list_add_tail(&phy->ioc_notify.qe, &phy->ioc->notify_q);
/* min driver doesn't need phy */
if (mincfg) {
phy->dbuf_kva = NULL;
phy->dbuf_pa = 0;
}
}
/*
* Claim memory for phy
*
* @param[in] phy - phy structure
* @param[in] dm_kva - pointer to virtual memory address
* @param[in] dm_pa - physical memory address
* @param[in] mincfg - minimal cfg variable
*/
void
bfa_phy_memclaim(struct bfa_phy_s *phy, u8 *dm_kva, u64 dm_pa,
bfa_boolean_t mincfg)
{
if (mincfg)
return;
phy->dbuf_kva = dm_kva;
phy->dbuf_pa = dm_pa;
memset(phy->dbuf_kva, 0, BFA_PHY_DMA_BUF_SZ);
dm_kva += BFA_ROUNDUP(BFA_PHY_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
dm_pa += BFA_ROUNDUP(BFA_PHY_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
}
bfa_boolean_t
bfa_phy_busy(struct bfa_ioc_s *ioc)
{
void __iomem *rb;
rb = bfa_ioc_bar0(ioc);
return readl(rb + BFA_PHY_LOCK_STATUS);
}
/*
* Get phy attribute.
*
* @param[in] phy - phy structure
* @param[in] attr - phy attribute structure
* @param[in] cbfn - callback function
* @param[in] cbarg - callback argument
*
* Return status.
*/
bfa_status_t
bfa_phy_get_attr(struct bfa_phy_s *phy, u8 instance,
struct bfa_phy_attr_s *attr, bfa_cb_phy_t cbfn, void *cbarg)
{
bfa_trc(phy, BFI_PHY_H2I_QUERY_REQ);
bfa_trc(phy, instance);
if (!bfa_phy_present(phy))
return BFA_STATUS_PHY_NOT_PRESENT;
if (!bfa_ioc_is_operational(phy->ioc))
return BFA_STATUS_IOC_NON_OP;
if (phy->op_busy || bfa_phy_busy(phy->ioc)) {
bfa_trc(phy, phy->op_busy);
return BFA_STATUS_DEVBUSY;
}
phy->op_busy = 1;
phy->cbfn = cbfn;
phy->cbarg = cbarg;
phy->instance = instance;
phy->ubuf = (uint8_t *) attr;
bfa_phy_query_send(phy);
return BFA_STATUS_OK;
}
/*
* Get phy stats.
*
* @param[in] phy - phy structure
* @param[in] instance - phy image instance
* @param[in] stats - pointer to phy stats
* @param[in] cbfn - callback function
* @param[in] cbarg - callback argument
*
* Return status.
*/
bfa_status_t
bfa_phy_get_stats(struct bfa_phy_s *phy, u8 instance,
struct bfa_phy_stats_s *stats,
bfa_cb_phy_t cbfn, void *cbarg)
{
bfa_trc(phy, BFI_PHY_H2I_STATS_REQ);
bfa_trc(phy, instance);
if (!bfa_phy_present(phy))
return BFA_STATUS_PHY_NOT_PRESENT;
if (!bfa_ioc_is_operational(phy->ioc))
return BFA_STATUS_IOC_NON_OP;
if (phy->op_busy || bfa_phy_busy(phy->ioc)) {
bfa_trc(phy, phy->op_busy);
return BFA_STATUS_DEVBUSY;
}
phy->op_busy = 1;
phy->cbfn = cbfn;
phy->cbarg = cbarg;
phy->instance = instance;
phy->ubuf = (u8 *) stats;
bfa_phy_stats_send(phy);
return BFA_STATUS_OK;
}
/*
* Update phy image.
*
* @param[in] phy - phy structure
* @param[in] instance - phy image instance
* @param[in] buf - update data buffer
* @param[in] len - data buffer length
* @param[in] offset - offset relative to starting address
* @param[in] cbfn - callback function
* @param[in] cbarg - callback argument
*
* Return status.
*/
bfa_status_t
bfa_phy_update(struct bfa_phy_s *phy, u8 instance,
void *buf, u32 len, u32 offset,
bfa_cb_phy_t cbfn, void *cbarg)
{
bfa_trc(phy, BFI_PHY_H2I_WRITE_REQ);
bfa_trc(phy, instance);
bfa_trc(phy, len);
bfa_trc(phy, offset);
if (!bfa_phy_present(phy))
return BFA_STATUS_PHY_NOT_PRESENT;
if (!bfa_ioc_is_operational(phy->ioc))
return BFA_STATUS_IOC_NON_OP;
/* 'len' must be in word (4-byte) boundary */
if (!len || (len & 0x03))
return BFA_STATUS_FAILED;
if (phy->op_busy || bfa_phy_busy(phy->ioc)) {
bfa_trc(phy, phy->op_busy);
return BFA_STATUS_DEVBUSY;
}
phy->op_busy = 1;
phy->cbfn = cbfn;
phy->cbarg = cbarg;
phy->instance = instance;
phy->residue = len;
phy->offset = 0;
phy->addr_off = offset;
phy->ubuf = buf;
bfa_phy_write_send(phy);
return BFA_STATUS_OK;
}
/*
* Read phy image.
*
* @param[in] phy - phy structure
* @param[in] instance - phy image instance
* @param[in] buf - read data buffer
* @param[in] len - data buffer length
* @param[in] offset - offset relative to starting address
* @param[in] cbfn - callback function
* @param[in] cbarg - callback argument
*
* Return status.
*/
bfa_status_t
bfa_phy_read(struct bfa_phy_s *phy, u8 instance,
void *buf, u32 len, u32 offset,
bfa_cb_phy_t cbfn, void *cbarg)
{
bfa_trc(phy, BFI_PHY_H2I_READ_REQ);
bfa_trc(phy, instance);
bfa_trc(phy, len);
bfa_trc(phy, offset);
if (!bfa_phy_present(phy))
return BFA_STATUS_PHY_NOT_PRESENT;
if (!bfa_ioc_is_operational(phy->ioc))
return BFA_STATUS_IOC_NON_OP;
/* 'len' must be in word (4-byte) boundary */
if (!len || (len & 0x03))
return BFA_STATUS_FAILED;
if (phy->op_busy || bfa_phy_busy(phy->ioc)) {
bfa_trc(phy, phy->op_busy);
return BFA_STATUS_DEVBUSY;
}
phy->op_busy = 1;
phy->cbfn = cbfn;
phy->cbarg = cbarg;
phy->instance = instance;
phy->residue = len;
phy->offset = 0;
phy->addr_off = offset;
phy->ubuf = buf;
bfa_phy_read_send(phy);
return BFA_STATUS_OK;
}
/*
* Process phy response messages upon receiving interrupts.
*
* @param[in] phyarg - phy structure
* @param[in] msg - message structure
*/
void
bfa_phy_intr(void *phyarg, struct bfi_mbmsg_s *msg)
{
struct bfa_phy_s *phy = phyarg;
u32 status;
union {
struct bfi_phy_query_rsp_s *query;
struct bfi_phy_stats_rsp_s *stats;
struct bfi_phy_write_rsp_s *write;
struct bfi_phy_read_rsp_s *read;
struct bfi_mbmsg_s *msg;
} m;
m.msg = msg;
bfa_trc(phy, msg->mh.msg_id);
if (!phy->op_busy) {
/* receiving response after ioc failure */
bfa_trc(phy, 0x9999);
return;
}
switch (msg->mh.msg_id) {
case BFI_PHY_I2H_QUERY_RSP:
status = be32_to_cpu(m.query->status);
bfa_trc(phy, status);
if (status == BFA_STATUS_OK) {
struct bfa_phy_attr_s *attr =
(struct bfa_phy_attr_s *) phy->ubuf;
bfa_phy_ntoh32((u32 *)attr, (u32 *)phy->dbuf_kva,
sizeof(struct bfa_phy_attr_s));
bfa_trc(phy, attr->status);
bfa_trc(phy, attr->length);
}
phy->status = status;
phy->op_busy = 0;
if (phy->cbfn)
phy->cbfn(phy->cbarg, phy->status);
break;
case BFI_PHY_I2H_STATS_RSP:
status = be32_to_cpu(m.stats->status);
bfa_trc(phy, status);
if (status == BFA_STATUS_OK) {
struct bfa_phy_stats_s *stats =
(struct bfa_phy_stats_s *) phy->ubuf;
bfa_phy_ntoh32((u32 *)stats, (u32 *)phy->dbuf_kva,
sizeof(struct bfa_phy_stats_s));
bfa_trc(phy, stats->status);
}
phy->status = status;
phy->op_busy = 0;
if (phy->cbfn)
phy->cbfn(phy->cbarg, phy->status);
break;
case BFI_PHY_I2H_WRITE_RSP:
status = be32_to_cpu(m.write->status);
bfa_trc(phy, status);
if (status != BFA_STATUS_OK || phy->residue == 0) {
phy->status = status;
phy->op_busy = 0;
if (phy->cbfn)
phy->cbfn(phy->cbarg, phy->status);
} else {
bfa_trc(phy, phy->offset);
bfa_phy_write_send(phy);
}
break;
case BFI_PHY_I2H_READ_RSP:
status = be32_to_cpu(m.read->status);
bfa_trc(phy, status);
if (status != BFA_STATUS_OK) {
phy->status = status;
phy->op_busy = 0;
if (phy->cbfn)
phy->cbfn(phy->cbarg, phy->status);
} else {
u32 len = be32_to_cpu(m.read->length);
u16 *buf = (u16 *)(phy->ubuf + phy->offset);
u16 *dbuf = (u16 *)phy->dbuf_kva;
int i, sz = len >> 1;
bfa_trc(phy, phy->offset);
bfa_trc(phy, len);
for (i = 0; i < sz; i++)
buf[i] = be16_to_cpu(dbuf[i]);
phy->residue -= len;
phy->offset += len;
if (phy->residue == 0) {
phy->status = status;
phy->op_busy = 0;
if (phy->cbfn)
phy->cbfn(phy->cbarg, phy->status);
} else
bfa_phy_read_send(phy);
}
break;
default:
WARN_ON(1);
}
}
/*
* DCONF module specific
*/
BFA_MODULE(dconf);
/*
* DCONF state machine events
*/
enum bfa_dconf_event {
BFA_DCONF_SM_INIT = 1, /* dconf Init */
BFA_DCONF_SM_FLASH_COMP = 2, /* read/write to flash */
BFA_DCONF_SM_WR = 3, /* binding change, map */
BFA_DCONF_SM_TIMEOUT = 4, /* Start timer */
BFA_DCONF_SM_EXIT = 5, /* exit dconf module */
BFA_DCONF_SM_IOCDISABLE = 6, /* IOC disable event */
};
/* forward declaration of DCONF state machine */
static void bfa_dconf_sm_uninit(struct bfa_dconf_mod_s *dconf,
enum bfa_dconf_event event);
static void bfa_dconf_sm_flash_read(struct bfa_dconf_mod_s *dconf,
enum bfa_dconf_event event);
static void bfa_dconf_sm_ready(struct bfa_dconf_mod_s *dconf,
enum bfa_dconf_event event);
static void bfa_dconf_sm_dirty(struct bfa_dconf_mod_s *dconf,
enum bfa_dconf_event event);
static void bfa_dconf_sm_sync(struct bfa_dconf_mod_s *dconf,
enum bfa_dconf_event event);
static void bfa_dconf_sm_final_sync(struct bfa_dconf_mod_s *dconf,
enum bfa_dconf_event event);
static void bfa_dconf_sm_iocdown_dirty(struct bfa_dconf_mod_s *dconf,
enum bfa_dconf_event event);
static void bfa_dconf_cbfn(void *dconf, bfa_status_t status);
static void bfa_dconf_timer(void *cbarg);
static bfa_status_t bfa_dconf_flash_write(struct bfa_dconf_mod_s *dconf);
static void bfa_dconf_init_cb(void *arg, bfa_status_t status);
/*
* Begining state of dconf module. Waiting for an event to start.
*/
static void
bfa_dconf_sm_uninit(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event)
{
bfa_status_t bfa_status;
bfa_trc(dconf->bfa, event);
switch (event) {
case BFA_DCONF_SM_INIT:
if (dconf->min_cfg) {
bfa_trc(dconf->bfa, dconf->min_cfg);
return;
}
bfa_sm_set_state(dconf, bfa_dconf_sm_flash_read);
dconf->flashdone = BFA_FALSE;
bfa_trc(dconf->bfa, dconf->flashdone);
bfa_status = bfa_flash_read_part(BFA_FLASH(dconf->bfa),
BFA_FLASH_PART_DRV, dconf->instance,
dconf->dconf,
sizeof(struct bfa_dconf_s), 0,
bfa_dconf_init_cb, dconf->bfa);
if (bfa_status != BFA_STATUS_OK) {
bfa_dconf_init_cb(dconf->bfa, BFA_STATUS_FAILED);
bfa_sm_set_state(dconf, bfa_dconf_sm_uninit);
return;
}
break;
case BFA_DCONF_SM_EXIT:
dconf->flashdone = BFA_TRUE;
case BFA_DCONF_SM_IOCDISABLE:
case BFA_DCONF_SM_WR:
case BFA_DCONF_SM_FLASH_COMP:
break;
default:
bfa_sm_fault(dconf->bfa, event);
}
}
/*
* Read flash for dconf entries and make a call back to the driver once done.
*/
static void
bfa_dconf_sm_flash_read(struct bfa_dconf_mod_s *dconf,
enum bfa_dconf_event event)
{
bfa_trc(dconf->bfa, event);
switch (event) {
case BFA_DCONF_SM_FLASH_COMP:
bfa_sm_set_state(dconf, bfa_dconf_sm_ready);
break;
case BFA_DCONF_SM_TIMEOUT:
bfa_sm_set_state(dconf, bfa_dconf_sm_ready);
break;
case BFA_DCONF_SM_EXIT:
dconf->flashdone = BFA_TRUE;
bfa_trc(dconf->bfa, dconf->flashdone);
case BFA_DCONF_SM_IOCDISABLE:
bfa_sm_set_state(dconf, bfa_dconf_sm_uninit);
break;
default:
bfa_sm_fault(dconf->bfa, event);
}
}
/*
* DCONF Module is in ready state. Has completed the initialization.
*/
static void
bfa_dconf_sm_ready(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event)
{
bfa_trc(dconf->bfa, event);
switch (event) {
case BFA_DCONF_SM_WR:
bfa_timer_start(dconf->bfa, &dconf->timer,
bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV);
bfa_sm_set_state(dconf, bfa_dconf_sm_dirty);
break;
case BFA_DCONF_SM_EXIT:
dconf->flashdone = BFA_TRUE;
bfa_trc(dconf->bfa, dconf->flashdone);
bfa_sm_set_state(dconf, bfa_dconf_sm_uninit);
break;
case BFA_DCONF_SM_INIT:
case BFA_DCONF_SM_IOCDISABLE:
break;
default:
bfa_sm_fault(dconf->bfa, event);
}
}
/*
* entries are dirty, write back to the flash.
*/
static void
bfa_dconf_sm_dirty(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event)
{
bfa_trc(dconf->bfa, event);
switch (event) {
case BFA_DCONF_SM_TIMEOUT:
bfa_sm_set_state(dconf, bfa_dconf_sm_sync);
bfa_dconf_flash_write(dconf);
break;
case BFA_DCONF_SM_WR:
bfa_timer_stop(&dconf->timer);
bfa_timer_start(dconf->bfa, &dconf->timer,
bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV);
break;
case BFA_DCONF_SM_EXIT:
bfa_timer_stop(&dconf->timer);
bfa_timer_start(dconf->bfa, &dconf->timer,
bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV);
bfa_sm_set_state(dconf, bfa_dconf_sm_final_sync);
bfa_dconf_flash_write(dconf);
break;
case BFA_DCONF_SM_FLASH_COMP:
break;
case BFA_DCONF_SM_IOCDISABLE:
bfa_timer_stop(&dconf->timer);
bfa_sm_set_state(dconf, bfa_dconf_sm_iocdown_dirty);
break;
default:
bfa_sm_fault(dconf->bfa, event);
}
}
/*
* Sync the dconf entries to the flash.
*/
static void
bfa_dconf_sm_final_sync(struct bfa_dconf_mod_s *dconf,
enum bfa_dconf_event event)
{
bfa_trc(dconf->bfa, event);
switch (event) {
case BFA_DCONF_SM_IOCDISABLE:
case BFA_DCONF_SM_FLASH_COMP:
bfa_timer_stop(&dconf->timer);
case BFA_DCONF_SM_TIMEOUT:
bfa_sm_set_state(dconf, bfa_dconf_sm_uninit);
dconf->flashdone = BFA_TRUE;
bfa_trc(dconf->bfa, dconf->flashdone);
bfa_ioc_disable(&dconf->bfa->ioc);
break;
default:
bfa_sm_fault(dconf->bfa, event);
}
}
static void
bfa_dconf_sm_sync(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event)
{
bfa_trc(dconf->bfa, event);
switch (event) {
case BFA_DCONF_SM_FLASH_COMP:
bfa_sm_set_state(dconf, bfa_dconf_sm_ready);
break;
case BFA_DCONF_SM_WR:
bfa_timer_start(dconf->bfa, &dconf->timer,
bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV);
bfa_sm_set_state(dconf, bfa_dconf_sm_dirty);
break;
case BFA_DCONF_SM_EXIT:
bfa_timer_start(dconf->bfa, &dconf->timer,
bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV);
bfa_sm_set_state(dconf, bfa_dconf_sm_final_sync);
break;
case BFA_DCONF_SM_IOCDISABLE:
bfa_sm_set_state(dconf, bfa_dconf_sm_iocdown_dirty);
break;
default:
bfa_sm_fault(dconf->bfa, event);
}
}
static void
bfa_dconf_sm_iocdown_dirty(struct bfa_dconf_mod_s *dconf,
enum bfa_dconf_event event)
{
bfa_trc(dconf->bfa, event);
switch (event) {
case BFA_DCONF_SM_INIT:
bfa_timer_start(dconf->bfa, &dconf->timer,
bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV);
bfa_sm_set_state(dconf, bfa_dconf_sm_dirty);
break;
case BFA_DCONF_SM_EXIT:
dconf->flashdone = BFA_TRUE;
bfa_sm_set_state(dconf, bfa_dconf_sm_uninit);
break;
case BFA_DCONF_SM_IOCDISABLE:
break;
default:
bfa_sm_fault(dconf->bfa, event);
}
}
/*
* Compute and return memory needed by DRV_CFG module.
*/
static void
bfa_dconf_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
struct bfa_s *bfa)
{
struct bfa_mem_kva_s *dconf_kva = BFA_MEM_DCONF_KVA(bfa);
if (cfg->drvcfg.min_cfg)
bfa_mem_kva_setup(meminfo, dconf_kva,
sizeof(struct bfa_dconf_hdr_s));
else
bfa_mem_kva_setup(meminfo, dconf_kva,
sizeof(struct bfa_dconf_s));
}
static void
bfa_dconf_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_pcidev_s *pcidev)
{
struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa);
dconf->bfad = bfad;
dconf->bfa = bfa;
dconf->instance = bfa->ioc.port_id;
bfa_trc(bfa, dconf->instance);
dconf->dconf = (struct bfa_dconf_s *) bfa_mem_kva_curp(dconf);
if (cfg->drvcfg.min_cfg) {
bfa_mem_kva_curp(dconf) += sizeof(struct bfa_dconf_hdr_s);
dconf->min_cfg = BFA_TRUE;
/*
* Set the flashdone flag to TRUE explicitly as no flash
* write will happen in min_cfg mode.
*/
dconf->flashdone = BFA_TRUE;
} else {
dconf->min_cfg = BFA_FALSE;
bfa_mem_kva_curp(dconf) += sizeof(struct bfa_dconf_s);
}
bfa_dconf_read_data_valid(bfa) = BFA_FALSE;
bfa_sm_set_state(dconf, bfa_dconf_sm_uninit);
}
static void
bfa_dconf_init_cb(void *arg, bfa_status_t status)
{
struct bfa_s *bfa = arg;
struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa);
dconf->flashdone = BFA_TRUE;
bfa_trc(bfa, dconf->flashdone);
bfa_iocfc_cb_dconf_modinit(bfa, status);
if (status == BFA_STATUS_OK) {
bfa_dconf_read_data_valid(bfa) = BFA_TRUE;
if (dconf->dconf->hdr.signature != BFI_DCONF_SIGNATURE)
dconf->dconf->hdr.signature = BFI_DCONF_SIGNATURE;
if (dconf->dconf->hdr.version != BFI_DCONF_VERSION)
dconf->dconf->hdr.version = BFI_DCONF_VERSION;
}
bfa_sm_send_event(dconf, BFA_DCONF_SM_FLASH_COMP);
}
void
bfa_dconf_modinit(struct bfa_s *bfa)
{
struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa);
bfa_sm_send_event(dconf, BFA_DCONF_SM_INIT);
}
static void
bfa_dconf_start(struct bfa_s *bfa)
{
}
static void
bfa_dconf_stop(struct bfa_s *bfa)
{
}
static void bfa_dconf_timer(void *cbarg)
{
struct bfa_dconf_mod_s *dconf = cbarg;
bfa_sm_send_event(dconf, BFA_DCONF_SM_TIMEOUT);
}
static void
bfa_dconf_iocdisable(struct bfa_s *bfa)
{
struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa);
bfa_sm_send_event(dconf, BFA_DCONF_SM_IOCDISABLE);
}
static void
bfa_dconf_detach(struct bfa_s *bfa)
{
}
static bfa_status_t
bfa_dconf_flash_write(struct bfa_dconf_mod_s *dconf)
{
bfa_status_t bfa_status;
bfa_trc(dconf->bfa, 0);
bfa_status = bfa_flash_update_part(BFA_FLASH(dconf->bfa),
BFA_FLASH_PART_DRV, dconf->instance,
dconf->dconf, sizeof(struct bfa_dconf_s), 0,
bfa_dconf_cbfn, dconf);
if (bfa_status != BFA_STATUS_OK)
WARN_ON(bfa_status);
bfa_trc(dconf->bfa, bfa_status);
return bfa_status;
}
bfa_status_t
bfa_dconf_update(struct bfa_s *bfa)
{
struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa);
bfa_trc(dconf->bfa, 0);
if (bfa_sm_cmp_state(dconf, bfa_dconf_sm_iocdown_dirty))
return BFA_STATUS_FAILED;
if (dconf->min_cfg) {
bfa_trc(dconf->bfa, dconf->min_cfg);
return BFA_STATUS_FAILED;
}
bfa_sm_send_event(dconf, BFA_DCONF_SM_WR);
return BFA_STATUS_OK;
}
static void
bfa_dconf_cbfn(void *arg, bfa_status_t status)
{
struct bfa_dconf_mod_s *dconf = arg;
WARN_ON(status);
bfa_sm_send_event(dconf, BFA_DCONF_SM_FLASH_COMP);
}
void
bfa_dconf_modexit(struct bfa_s *bfa)
{
struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa);
BFA_DCONF_MOD(bfa)->flashdone = BFA_FALSE;
bfa_trc(bfa, BFA_DCONF_MOD(bfa)->flashdone);
bfa_sm_send_event(dconf, BFA_DCONF_SM_EXIT);
}
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