blob: 625225f31081ada0f732621c38f078f174ab0fdf [file] [log] [blame]
/*
* 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_plog.h"
#include "bfa_cs.h"
#include "bfa_modules.h"
BFA_TRC_FILE(HAL, FCXP);
BFA_MODULE(fcdiag);
BFA_MODULE(fcxp);
BFA_MODULE(sgpg);
BFA_MODULE(lps);
BFA_MODULE(fcport);
BFA_MODULE(rport);
BFA_MODULE(uf);
/*
* LPS related definitions
*/
#define BFA_LPS_MIN_LPORTS (1)
#define BFA_LPS_MAX_LPORTS (256)
/*
* Maximum Vports supported per physical port or vf.
*/
#define BFA_LPS_MAX_VPORTS_SUPP_CB 255
#define BFA_LPS_MAX_VPORTS_SUPP_CT 190
/*
* FC PORT related definitions
*/
/*
* The port is considered disabled if corresponding physical port or IOC are
* disabled explicitly
*/
#define BFA_PORT_IS_DISABLED(bfa) \
((bfa_fcport_is_disabled(bfa) == BFA_TRUE) || \
(bfa_ioc_is_disabled(&bfa->ioc) == BFA_TRUE))
/*
* BFA port state machine events
*/
enum bfa_fcport_sm_event {
BFA_FCPORT_SM_START = 1, /* start port state machine */
BFA_FCPORT_SM_STOP = 2, /* stop port state machine */
BFA_FCPORT_SM_ENABLE = 3, /* enable port */
BFA_FCPORT_SM_DISABLE = 4, /* disable port state machine */
BFA_FCPORT_SM_FWRSP = 5, /* firmware enable/disable rsp */
BFA_FCPORT_SM_LINKUP = 6, /* firmware linkup event */
BFA_FCPORT_SM_LINKDOWN = 7, /* firmware linkup down */
BFA_FCPORT_SM_QRESUME = 8, /* CQ space available */
BFA_FCPORT_SM_HWFAIL = 9, /* IOC h/w failure */
BFA_FCPORT_SM_DPORTENABLE = 10, /* enable dport */
BFA_FCPORT_SM_DPORTDISABLE = 11,/* disable dport */
BFA_FCPORT_SM_FAA_MISCONFIG = 12, /* FAA misconfiguratin */
BFA_FCPORT_SM_DDPORTENABLE = 13, /* enable ddport */
BFA_FCPORT_SM_DDPORTDISABLE = 14, /* disable ddport */
};
/*
* BFA port link notification state machine events
*/
enum bfa_fcport_ln_sm_event {
BFA_FCPORT_LN_SM_LINKUP = 1, /* linkup event */
BFA_FCPORT_LN_SM_LINKDOWN = 2, /* linkdown event */
BFA_FCPORT_LN_SM_NOTIFICATION = 3 /* done notification */
};
/*
* RPORT related definitions
*/
#define bfa_rport_offline_cb(__rp) do { \
if ((__rp)->bfa->fcs) \
bfa_cb_rport_offline((__rp)->rport_drv); \
else { \
bfa_cb_queue((__rp)->bfa, &(__rp)->hcb_qe, \
__bfa_cb_rport_offline, (__rp)); \
} \
} while (0)
#define bfa_rport_online_cb(__rp) do { \
if ((__rp)->bfa->fcs) \
bfa_cb_rport_online((__rp)->rport_drv); \
else { \
bfa_cb_queue((__rp)->bfa, &(__rp)->hcb_qe, \
__bfa_cb_rport_online, (__rp)); \
} \
} while (0)
/*
* forward declarations FCXP related functions
*/
static void __bfa_fcxp_send_cbfn(void *cbarg, bfa_boolean_t complete);
static void hal_fcxp_rx_plog(struct bfa_s *bfa, struct bfa_fcxp_s *fcxp,
struct bfi_fcxp_send_rsp_s *fcxp_rsp);
static void hal_fcxp_tx_plog(struct bfa_s *bfa, u32 reqlen,
struct bfa_fcxp_s *fcxp, struct fchs_s *fchs);
static void bfa_fcxp_qresume(void *cbarg);
static void bfa_fcxp_queue(struct bfa_fcxp_s *fcxp,
struct bfi_fcxp_send_req_s *send_req);
/*
* forward declarations for LPS functions
*/
static void bfa_lps_meminfo(struct bfa_iocfc_cfg_s *cfg,
struct bfa_meminfo_s *minfo, struct bfa_s *bfa);
static void bfa_lps_attach(struct bfa_s *bfa, void *bfad,
struct bfa_iocfc_cfg_s *cfg,
struct bfa_pcidev_s *pcidev);
static void bfa_lps_detach(struct bfa_s *bfa);
static void bfa_lps_start(struct bfa_s *bfa);
static void bfa_lps_stop(struct bfa_s *bfa);
static void bfa_lps_iocdisable(struct bfa_s *bfa);
static void bfa_lps_login_rsp(struct bfa_s *bfa,
struct bfi_lps_login_rsp_s *rsp);
static void bfa_lps_no_res(struct bfa_lps_s *first_lps, u8 count);
static void bfa_lps_logout_rsp(struct bfa_s *bfa,
struct bfi_lps_logout_rsp_s *rsp);
static void bfa_lps_reqq_resume(void *lps_arg);
static void bfa_lps_free(struct bfa_lps_s *lps);
static void bfa_lps_send_login(struct bfa_lps_s *lps);
static void bfa_lps_send_logout(struct bfa_lps_s *lps);
static void bfa_lps_send_set_n2n_pid(struct bfa_lps_s *lps);
static void bfa_lps_login_comp(struct bfa_lps_s *lps);
static void bfa_lps_logout_comp(struct bfa_lps_s *lps);
static void bfa_lps_cvl_event(struct bfa_lps_s *lps);
/*
* forward declaration for LPS state machine
*/
static void bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event);
static void bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event);
static void bfa_lps_sm_loginwait(struct bfa_lps_s *lps, enum bfa_lps_event
event);
static void bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event);
static void bfa_lps_sm_online_n2n_pid_wait(struct bfa_lps_s *lps,
enum bfa_lps_event event);
static void bfa_lps_sm_logout(struct bfa_lps_s *lps, enum bfa_lps_event event);
static void bfa_lps_sm_logowait(struct bfa_lps_s *lps, enum bfa_lps_event
event);
/*
* forward declaration for FC Port functions
*/
static bfa_boolean_t bfa_fcport_send_enable(struct bfa_fcport_s *fcport);
static bfa_boolean_t bfa_fcport_send_disable(struct bfa_fcport_s *fcport);
static void bfa_fcport_update_linkinfo(struct bfa_fcport_s *fcport);
static void bfa_fcport_reset_linkinfo(struct bfa_fcport_s *fcport);
static void bfa_fcport_set_wwns(struct bfa_fcport_s *fcport);
static void __bfa_cb_fcport_event(void *cbarg, bfa_boolean_t complete);
static void bfa_fcport_scn(struct bfa_fcport_s *fcport,
enum bfa_port_linkstate event, bfa_boolean_t trunk);
static void bfa_fcport_queue_cb(struct bfa_fcport_ln_s *ln,
enum bfa_port_linkstate event);
static void __bfa_cb_fcport_stats_clr(void *cbarg, bfa_boolean_t complete);
static void bfa_fcport_stats_get_timeout(void *cbarg);
static void bfa_fcport_stats_clr_timeout(void *cbarg);
static void bfa_trunk_iocdisable(struct bfa_s *bfa);
/*
* forward declaration for FC PORT state machine
*/
static void bfa_fcport_sm_uninit(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event);
static void bfa_fcport_sm_enabling_qwait(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event);
static void bfa_fcport_sm_enabling(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event);
static void bfa_fcport_sm_linkdown(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event);
static void bfa_fcport_sm_linkup(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event);
static void bfa_fcport_sm_disabling(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event);
static void bfa_fcport_sm_disabling_qwait(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event);
static void bfa_fcport_sm_toggling_qwait(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event);
static void bfa_fcport_sm_disabled(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event);
static void bfa_fcport_sm_stopped(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event);
static void bfa_fcport_sm_iocdown(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event);
static void bfa_fcport_sm_iocfail(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event);
static void bfa_fcport_sm_dport(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event);
static void bfa_fcport_sm_ddport(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event);
static void bfa_fcport_sm_faa_misconfig(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event);
static void bfa_fcport_ln_sm_dn(struct bfa_fcport_ln_s *ln,
enum bfa_fcport_ln_sm_event event);
static void bfa_fcport_ln_sm_dn_nf(struct bfa_fcport_ln_s *ln,
enum bfa_fcport_ln_sm_event event);
static void bfa_fcport_ln_sm_dn_up_nf(struct bfa_fcport_ln_s *ln,
enum bfa_fcport_ln_sm_event event);
static void bfa_fcport_ln_sm_up(struct bfa_fcport_ln_s *ln,
enum bfa_fcport_ln_sm_event event);
static void bfa_fcport_ln_sm_up_nf(struct bfa_fcport_ln_s *ln,
enum bfa_fcport_ln_sm_event event);
static void bfa_fcport_ln_sm_up_dn_nf(struct bfa_fcport_ln_s *ln,
enum bfa_fcport_ln_sm_event event);
static void bfa_fcport_ln_sm_up_dn_up_nf(struct bfa_fcport_ln_s *ln,
enum bfa_fcport_ln_sm_event event);
static struct bfa_sm_table_s hal_port_sm_table[] = {
{BFA_SM(bfa_fcport_sm_uninit), BFA_PORT_ST_UNINIT},
{BFA_SM(bfa_fcport_sm_enabling_qwait), BFA_PORT_ST_ENABLING_QWAIT},
{BFA_SM(bfa_fcport_sm_enabling), BFA_PORT_ST_ENABLING},
{BFA_SM(bfa_fcport_sm_linkdown), BFA_PORT_ST_LINKDOWN},
{BFA_SM(bfa_fcport_sm_linkup), BFA_PORT_ST_LINKUP},
{BFA_SM(bfa_fcport_sm_disabling_qwait), BFA_PORT_ST_DISABLING_QWAIT},
{BFA_SM(bfa_fcport_sm_toggling_qwait), BFA_PORT_ST_TOGGLING_QWAIT},
{BFA_SM(bfa_fcport_sm_disabling), BFA_PORT_ST_DISABLING},
{BFA_SM(bfa_fcport_sm_disabled), BFA_PORT_ST_DISABLED},
{BFA_SM(bfa_fcport_sm_stopped), BFA_PORT_ST_STOPPED},
{BFA_SM(bfa_fcport_sm_iocdown), BFA_PORT_ST_IOCDOWN},
{BFA_SM(bfa_fcport_sm_iocfail), BFA_PORT_ST_IOCDOWN},
{BFA_SM(bfa_fcport_sm_dport), BFA_PORT_ST_DPORT},
{BFA_SM(bfa_fcport_sm_ddport), BFA_PORT_ST_DDPORT},
{BFA_SM(bfa_fcport_sm_faa_misconfig), BFA_PORT_ST_FAA_MISCONFIG},
};
/*
* forward declaration for RPORT related functions
*/
static struct bfa_rport_s *bfa_rport_alloc(struct bfa_rport_mod_s *rp_mod);
static void bfa_rport_free(struct bfa_rport_s *rport);
static bfa_boolean_t bfa_rport_send_fwcreate(struct bfa_rport_s *rp);
static bfa_boolean_t bfa_rport_send_fwdelete(struct bfa_rport_s *rp);
static bfa_boolean_t bfa_rport_send_fwspeed(struct bfa_rport_s *rp);
static void __bfa_cb_rport_online(void *cbarg,
bfa_boolean_t complete);
static void __bfa_cb_rport_offline(void *cbarg,
bfa_boolean_t complete);
/*
* forward declaration for RPORT state machine
*/
static void bfa_rport_sm_uninit(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_created(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_fwcreate(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_online(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_fwdelete(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_offline(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_deleting(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_offline_pending(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_delete_pending(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_iocdisable(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_fwcreate_qfull(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_fwdelete_qfull(struct bfa_rport_s *rp,
enum bfa_rport_event event);
static void bfa_rport_sm_deleting_qfull(struct bfa_rport_s *rp,
enum bfa_rport_event event);
/*
* PLOG related definitions
*/
static int
plkd_validate_logrec(struct bfa_plog_rec_s *pl_rec)
{
if ((pl_rec->log_type != BFA_PL_LOG_TYPE_INT) &&
(pl_rec->log_type != BFA_PL_LOG_TYPE_STRING))
return 1;
if ((pl_rec->log_type != BFA_PL_LOG_TYPE_INT) &&
(pl_rec->log_num_ints > BFA_PL_INT_LOG_SZ))
return 1;
return 0;
}
static u64
bfa_get_log_time(void)
{
u64 system_time = 0;
struct timeval tv;
do_gettimeofday(&tv);
/* We are interested in seconds only. */
system_time = tv.tv_sec;
return system_time;
}
static void
bfa_plog_add(struct bfa_plog_s *plog, struct bfa_plog_rec_s *pl_rec)
{
u16 tail;
struct bfa_plog_rec_s *pl_recp;
if (plog->plog_enabled == 0)
return;
if (plkd_validate_logrec(pl_rec)) {
WARN_ON(1);
return;
}
tail = plog->tail;
pl_recp = &(plog->plog_recs[tail]);
memcpy(pl_recp, pl_rec, sizeof(struct bfa_plog_rec_s));
pl_recp->tv = bfa_get_log_time();
BFA_PL_LOG_REC_INCR(plog->tail);
if (plog->head == plog->tail)
BFA_PL_LOG_REC_INCR(plog->head);
}
void
bfa_plog_init(struct bfa_plog_s *plog)
{
memset((char *)plog, 0, sizeof(struct bfa_plog_s));
memcpy(plog->plog_sig, BFA_PL_SIG_STR, BFA_PL_SIG_LEN);
plog->head = plog->tail = 0;
plog->plog_enabled = 1;
}
void
bfa_plog_str(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
enum bfa_plog_eid event,
u16 misc, char *log_str)
{
struct bfa_plog_rec_s lp;
if (plog->plog_enabled) {
memset(&lp, 0, sizeof(struct bfa_plog_rec_s));
lp.mid = mid;
lp.eid = event;
lp.log_type = BFA_PL_LOG_TYPE_STRING;
lp.misc = misc;
strncpy(lp.log_entry.string_log, log_str,
BFA_PL_STRING_LOG_SZ - 1);
lp.log_entry.string_log[BFA_PL_STRING_LOG_SZ - 1] = '\0';
bfa_plog_add(plog, &lp);
}
}
void
bfa_plog_intarr(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
enum bfa_plog_eid event,
u16 misc, u32 *intarr, u32 num_ints)
{
struct bfa_plog_rec_s lp;
u32 i;
if (num_ints > BFA_PL_INT_LOG_SZ)
num_ints = BFA_PL_INT_LOG_SZ;
if (plog->plog_enabled) {
memset(&lp, 0, sizeof(struct bfa_plog_rec_s));
lp.mid = mid;
lp.eid = event;
lp.log_type = BFA_PL_LOG_TYPE_INT;
lp.misc = misc;
for (i = 0; i < num_ints; i++)
lp.log_entry.int_log[i] = intarr[i];
lp.log_num_ints = (u8) num_ints;
bfa_plog_add(plog, &lp);
}
}
void
bfa_plog_fchdr(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
enum bfa_plog_eid event,
u16 misc, struct fchs_s *fchdr)
{
struct bfa_plog_rec_s lp;
u32 *tmp_int = (u32 *) fchdr;
u32 ints[BFA_PL_INT_LOG_SZ];
if (plog->plog_enabled) {
memset(&lp, 0, sizeof(struct bfa_plog_rec_s));
ints[0] = tmp_int[0];
ints[1] = tmp_int[1];
ints[2] = tmp_int[4];
bfa_plog_intarr(plog, mid, event, misc, ints, 3);
}
}
void
bfa_plog_fchdr_and_pl(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
enum bfa_plog_eid event, u16 misc, struct fchs_s *fchdr,
u32 pld_w0)
{
struct bfa_plog_rec_s lp;
u32 *tmp_int = (u32 *) fchdr;
u32 ints[BFA_PL_INT_LOG_SZ];
if (plog->plog_enabled) {
memset(&lp, 0, sizeof(struct bfa_plog_rec_s));
ints[0] = tmp_int[0];
ints[1] = tmp_int[1];
ints[2] = tmp_int[4];
ints[3] = pld_w0;
bfa_plog_intarr(plog, mid, event, misc, ints, 4);
}
}
/*
* fcxp_pvt BFA FCXP private functions
*/
static void
claim_fcxps_mem(struct bfa_fcxp_mod_s *mod)
{
u16 i;
struct bfa_fcxp_s *fcxp;
fcxp = (struct bfa_fcxp_s *) bfa_mem_kva_curp(mod);
memset(fcxp, 0, sizeof(struct bfa_fcxp_s) * mod->num_fcxps);
INIT_LIST_HEAD(&mod->fcxp_req_free_q);
INIT_LIST_HEAD(&mod->fcxp_rsp_free_q);
INIT_LIST_HEAD(&mod->fcxp_active_q);
INIT_LIST_HEAD(&mod->fcxp_req_unused_q);
INIT_LIST_HEAD(&mod->fcxp_rsp_unused_q);
mod->fcxp_list = fcxp;
for (i = 0; i < mod->num_fcxps; i++) {
fcxp->fcxp_mod = mod;
fcxp->fcxp_tag = i;
if (i < (mod->num_fcxps / 2)) {
list_add_tail(&fcxp->qe, &mod->fcxp_req_free_q);
fcxp->req_rsp = BFA_TRUE;
} else {
list_add_tail(&fcxp->qe, &mod->fcxp_rsp_free_q);
fcxp->req_rsp = BFA_FALSE;
}
bfa_reqq_winit(&fcxp->reqq_wqe, bfa_fcxp_qresume, fcxp);
fcxp->reqq_waiting = BFA_FALSE;
fcxp = fcxp + 1;
}
bfa_mem_kva_curp(mod) = (void *)fcxp;
}
static void
bfa_fcxp_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
struct bfa_s *bfa)
{
struct bfa_fcxp_mod_s *fcxp_mod = BFA_FCXP_MOD(bfa);
struct bfa_mem_kva_s *fcxp_kva = BFA_MEM_FCXP_KVA(bfa);
struct bfa_mem_dma_s *seg_ptr;
u16 nsegs, idx, per_seg_fcxp;
u16 num_fcxps = cfg->fwcfg.num_fcxp_reqs;
u32 per_fcxp_sz;
if (num_fcxps == 0)
return;
if (cfg->drvcfg.min_cfg)
per_fcxp_sz = 2 * BFA_FCXP_MAX_IBUF_SZ;
else
per_fcxp_sz = BFA_FCXP_MAX_IBUF_SZ + BFA_FCXP_MAX_LBUF_SZ;
/* dma memory */
nsegs = BFI_MEM_DMA_NSEGS(num_fcxps, per_fcxp_sz);
per_seg_fcxp = BFI_MEM_NREQS_SEG(per_fcxp_sz);
bfa_mem_dma_seg_iter(fcxp_mod, seg_ptr, nsegs, idx) {
if (num_fcxps >= per_seg_fcxp) {
num_fcxps -= per_seg_fcxp;
bfa_mem_dma_setup(minfo, seg_ptr,
per_seg_fcxp * per_fcxp_sz);
} else
bfa_mem_dma_setup(minfo, seg_ptr,
num_fcxps * per_fcxp_sz);
}
/* kva memory */
bfa_mem_kva_setup(minfo, fcxp_kva,
cfg->fwcfg.num_fcxp_reqs * sizeof(struct bfa_fcxp_s));
}
static void
bfa_fcxp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_pcidev_s *pcidev)
{
struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
mod->bfa = bfa;
mod->num_fcxps = cfg->fwcfg.num_fcxp_reqs;
/*
* Initialize FCXP request and response payload sizes.
*/
mod->req_pld_sz = mod->rsp_pld_sz = BFA_FCXP_MAX_IBUF_SZ;
if (!cfg->drvcfg.min_cfg)
mod->rsp_pld_sz = BFA_FCXP_MAX_LBUF_SZ;
INIT_LIST_HEAD(&mod->req_wait_q);
INIT_LIST_HEAD(&mod->rsp_wait_q);
claim_fcxps_mem(mod);
}
static void
bfa_fcxp_detach(struct bfa_s *bfa)
{
}
static void
bfa_fcxp_start(struct bfa_s *bfa)
{
}
static void
bfa_fcxp_stop(struct bfa_s *bfa)
{
}
static void
bfa_fcxp_iocdisable(struct bfa_s *bfa)
{
struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
struct bfa_fcxp_s *fcxp;
struct list_head *qe, *qen;
/* Enqueue unused fcxp resources to free_q */
list_splice_tail_init(&mod->fcxp_req_unused_q, &mod->fcxp_req_free_q);
list_splice_tail_init(&mod->fcxp_rsp_unused_q, &mod->fcxp_rsp_free_q);
list_for_each_safe(qe, qen, &mod->fcxp_active_q) {
fcxp = (struct bfa_fcxp_s *) qe;
if (fcxp->caller == NULL) {
fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg,
BFA_STATUS_IOC_FAILURE, 0, 0, NULL);
bfa_fcxp_free(fcxp);
} else {
fcxp->rsp_status = BFA_STATUS_IOC_FAILURE;
bfa_cb_queue(bfa, &fcxp->hcb_qe,
__bfa_fcxp_send_cbfn, fcxp);
}
}
}
static struct bfa_fcxp_s *
bfa_fcxp_get(struct bfa_fcxp_mod_s *fm, bfa_boolean_t req)
{
struct bfa_fcxp_s *fcxp;
if (req)
bfa_q_deq(&fm->fcxp_req_free_q, &fcxp);
else
bfa_q_deq(&fm->fcxp_rsp_free_q, &fcxp);
if (fcxp)
list_add_tail(&fcxp->qe, &fm->fcxp_active_q);
return fcxp;
}
static void
bfa_fcxp_init_reqrsp(struct bfa_fcxp_s *fcxp,
struct bfa_s *bfa,
u8 *use_ibuf,
u32 *nr_sgles,
bfa_fcxp_get_sgaddr_t *r_sga_cbfn,
bfa_fcxp_get_sglen_t *r_sglen_cbfn,
struct list_head *r_sgpg_q,
int n_sgles,
bfa_fcxp_get_sgaddr_t sga_cbfn,
bfa_fcxp_get_sglen_t sglen_cbfn)
{
WARN_ON(bfa == NULL);
bfa_trc(bfa, fcxp->fcxp_tag);
if (n_sgles == 0) {
*use_ibuf = 1;
} else {
WARN_ON(*sga_cbfn == NULL);
WARN_ON(*sglen_cbfn == NULL);
*use_ibuf = 0;
*r_sga_cbfn = sga_cbfn;
*r_sglen_cbfn = sglen_cbfn;
*nr_sgles = n_sgles;
/*
* alloc required sgpgs
*/
if (n_sgles > BFI_SGE_INLINE)
WARN_ON(1);
}
}
static void
bfa_fcxp_init(struct bfa_fcxp_s *fcxp,
void *caller, struct bfa_s *bfa, int nreq_sgles,
int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn,
bfa_fcxp_get_sglen_t req_sglen_cbfn,
bfa_fcxp_get_sgaddr_t rsp_sga_cbfn,
bfa_fcxp_get_sglen_t rsp_sglen_cbfn)
{
WARN_ON(bfa == NULL);
bfa_trc(bfa, fcxp->fcxp_tag);
fcxp->caller = caller;
bfa_fcxp_init_reqrsp(fcxp, bfa,
&fcxp->use_ireqbuf, &fcxp->nreq_sgles, &fcxp->req_sga_cbfn,
&fcxp->req_sglen_cbfn, &fcxp->req_sgpg_q,
nreq_sgles, req_sga_cbfn, req_sglen_cbfn);
bfa_fcxp_init_reqrsp(fcxp, bfa,
&fcxp->use_irspbuf, &fcxp->nrsp_sgles, &fcxp->rsp_sga_cbfn,
&fcxp->rsp_sglen_cbfn, &fcxp->rsp_sgpg_q,
nrsp_sgles, rsp_sga_cbfn, rsp_sglen_cbfn);
}
static void
bfa_fcxp_put(struct bfa_fcxp_s *fcxp)
{
struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
struct bfa_fcxp_wqe_s *wqe;
if (fcxp->req_rsp)
bfa_q_deq(&mod->req_wait_q, &wqe);
else
bfa_q_deq(&mod->rsp_wait_q, &wqe);
if (wqe) {
bfa_trc(mod->bfa, fcxp->fcxp_tag);
bfa_fcxp_init(fcxp, wqe->caller, wqe->bfa, wqe->nreq_sgles,
wqe->nrsp_sgles, wqe->req_sga_cbfn,
wqe->req_sglen_cbfn, wqe->rsp_sga_cbfn,
wqe->rsp_sglen_cbfn);
wqe->alloc_cbfn(wqe->alloc_cbarg, fcxp);
return;
}
WARN_ON(!bfa_q_is_on_q(&mod->fcxp_active_q, fcxp));
list_del(&fcxp->qe);
if (fcxp->req_rsp)
list_add_tail(&fcxp->qe, &mod->fcxp_req_free_q);
else
list_add_tail(&fcxp->qe, &mod->fcxp_rsp_free_q);
}
static void
bfa_fcxp_null_comp(void *bfad_fcxp, struct bfa_fcxp_s *fcxp, void *cbarg,
bfa_status_t req_status, u32 rsp_len,
u32 resid_len, struct fchs_s *rsp_fchs)
{
/* discarded fcxp completion */
}
static void
__bfa_fcxp_send_cbfn(void *cbarg, bfa_boolean_t complete)
{
struct bfa_fcxp_s *fcxp = cbarg;
if (complete) {
fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg,
fcxp->rsp_status, fcxp->rsp_len,
fcxp->residue_len, &fcxp->rsp_fchs);
} else {
bfa_fcxp_free(fcxp);
}
}
static void
hal_fcxp_send_comp(struct bfa_s *bfa, struct bfi_fcxp_send_rsp_s *fcxp_rsp)
{
struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
struct bfa_fcxp_s *fcxp;
u16 fcxp_tag = be16_to_cpu(fcxp_rsp->fcxp_tag);
bfa_trc(bfa, fcxp_tag);
fcxp_rsp->rsp_len = be32_to_cpu(fcxp_rsp->rsp_len);
/*
* @todo f/w should not set residue to non-0 when everything
* is received.
*/
if (fcxp_rsp->req_status == BFA_STATUS_OK)
fcxp_rsp->residue_len = 0;
else
fcxp_rsp->residue_len = be32_to_cpu(fcxp_rsp->residue_len);
fcxp = BFA_FCXP_FROM_TAG(mod, fcxp_tag);
WARN_ON(fcxp->send_cbfn == NULL);
hal_fcxp_rx_plog(mod->bfa, fcxp, fcxp_rsp);
if (fcxp->send_cbfn != NULL) {
bfa_trc(mod->bfa, (NULL == fcxp->caller));
if (fcxp->caller == NULL) {
fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg,
fcxp_rsp->req_status, fcxp_rsp->rsp_len,
fcxp_rsp->residue_len, &fcxp_rsp->fchs);
/*
* fcxp automatically freed on return from the callback
*/
bfa_fcxp_free(fcxp);
} else {
fcxp->rsp_status = fcxp_rsp->req_status;
fcxp->rsp_len = fcxp_rsp->rsp_len;
fcxp->residue_len = fcxp_rsp->residue_len;
fcxp->rsp_fchs = fcxp_rsp->fchs;
bfa_cb_queue(bfa, &fcxp->hcb_qe,
__bfa_fcxp_send_cbfn, fcxp);
}
} else {
bfa_trc(bfa, (NULL == fcxp->send_cbfn));
}
}
static void
hal_fcxp_tx_plog(struct bfa_s *bfa, u32 reqlen, struct bfa_fcxp_s *fcxp,
struct fchs_s *fchs)
{
/*
* TODO: TX ox_id
*/
if (reqlen > 0) {
if (fcxp->use_ireqbuf) {
u32 pld_w0 =
*((u32 *) BFA_FCXP_REQ_PLD(fcxp));
bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_FCXP,
BFA_PL_EID_TX,
reqlen + sizeof(struct fchs_s), fchs,
pld_w0);
} else {
bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP,
BFA_PL_EID_TX,
reqlen + sizeof(struct fchs_s),
fchs);
}
} else {
bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP, BFA_PL_EID_TX,
reqlen + sizeof(struct fchs_s), fchs);
}
}
static void
hal_fcxp_rx_plog(struct bfa_s *bfa, struct bfa_fcxp_s *fcxp,
struct bfi_fcxp_send_rsp_s *fcxp_rsp)
{
if (fcxp_rsp->rsp_len > 0) {
if (fcxp->use_irspbuf) {
u32 pld_w0 =
*((u32 *) BFA_FCXP_RSP_PLD(fcxp));
bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_FCXP,
BFA_PL_EID_RX,
(u16) fcxp_rsp->rsp_len,
&fcxp_rsp->fchs, pld_w0);
} else {
bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP,
BFA_PL_EID_RX,
(u16) fcxp_rsp->rsp_len,
&fcxp_rsp->fchs);
}
} else {
bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP, BFA_PL_EID_RX,
(u16) fcxp_rsp->rsp_len, &fcxp_rsp->fchs);
}
}
/*
* Handler to resume sending fcxp when space in available in cpe queue.
*/
static void
bfa_fcxp_qresume(void *cbarg)
{
struct bfa_fcxp_s *fcxp = cbarg;
struct bfa_s *bfa = fcxp->fcxp_mod->bfa;
struct bfi_fcxp_send_req_s *send_req;
fcxp->reqq_waiting = BFA_FALSE;
send_req = bfa_reqq_next(bfa, BFA_REQQ_FCXP);
bfa_fcxp_queue(fcxp, send_req);
}
/*
* Queue fcxp send request to foimrware.
*/
static void
bfa_fcxp_queue(struct bfa_fcxp_s *fcxp, struct bfi_fcxp_send_req_s *send_req)
{
struct bfa_s *bfa = fcxp->fcxp_mod->bfa;
struct bfa_fcxp_req_info_s *reqi = &fcxp->req_info;
struct bfa_fcxp_rsp_info_s *rspi = &fcxp->rsp_info;
struct bfa_rport_s *rport = reqi->bfa_rport;
bfi_h2i_set(send_req->mh, BFI_MC_FCXP, BFI_FCXP_H2I_SEND_REQ,
bfa_fn_lpu(bfa));
send_req->fcxp_tag = cpu_to_be16(fcxp->fcxp_tag);
if (rport) {
send_req->rport_fw_hndl = rport->fw_handle;
send_req->max_frmsz = cpu_to_be16(rport->rport_info.max_frmsz);
if (send_req->max_frmsz == 0)
send_req->max_frmsz = cpu_to_be16(FC_MAX_PDUSZ);
} else {
send_req->rport_fw_hndl = 0;
send_req->max_frmsz = cpu_to_be16(FC_MAX_PDUSZ);
}
send_req->vf_id = cpu_to_be16(reqi->vf_id);
send_req->lp_fwtag = bfa_lps_get_fwtag(bfa, reqi->lp_tag);
send_req->class = reqi->class;
send_req->rsp_timeout = rspi->rsp_timeout;
send_req->cts = reqi->cts;
send_req->fchs = reqi->fchs;
send_req->req_len = cpu_to_be32(reqi->req_tot_len);
send_req->rsp_maxlen = cpu_to_be32(rspi->rsp_maxlen);
/*
* setup req sgles
*/
if (fcxp->use_ireqbuf == 1) {
bfa_alen_set(&send_req->req_alen, reqi->req_tot_len,
BFA_FCXP_REQ_PLD_PA(fcxp));
} else {
if (fcxp->nreq_sgles > 0) {
WARN_ON(fcxp->nreq_sgles != 1);
bfa_alen_set(&send_req->req_alen, reqi->req_tot_len,
fcxp->req_sga_cbfn(fcxp->caller, 0));
} else {
WARN_ON(reqi->req_tot_len != 0);
bfa_alen_set(&send_req->rsp_alen, 0, 0);
}
}
/*
* setup rsp sgles
*/
if (fcxp->use_irspbuf == 1) {
WARN_ON(rspi->rsp_maxlen > BFA_FCXP_MAX_LBUF_SZ);
bfa_alen_set(&send_req->rsp_alen, rspi->rsp_maxlen,
BFA_FCXP_RSP_PLD_PA(fcxp));
} else {
if (fcxp->nrsp_sgles > 0) {
WARN_ON(fcxp->nrsp_sgles != 1);
bfa_alen_set(&send_req->rsp_alen, rspi->rsp_maxlen,
fcxp->rsp_sga_cbfn(fcxp->caller, 0));
} else {
WARN_ON(rspi->rsp_maxlen != 0);
bfa_alen_set(&send_req->rsp_alen, 0, 0);
}
}
hal_fcxp_tx_plog(bfa, reqi->req_tot_len, fcxp, &reqi->fchs);
bfa_reqq_produce(bfa, BFA_REQQ_FCXP, send_req->mh);
bfa_trc(bfa, bfa_reqq_pi(bfa, BFA_REQQ_FCXP));
bfa_trc(bfa, bfa_reqq_ci(bfa, BFA_REQQ_FCXP));
}
/*
* Allocate an FCXP instance to send a response or to send a request
* that has a response. Request/response buffers are allocated by caller.
*
* @param[in] bfa BFA bfa instance
* @param[in] nreq_sgles Number of SG elements required for request
* buffer. 0, if fcxp internal buffers are used.
* Use bfa_fcxp_get_reqbuf() to get the
* internal req buffer.
* @param[in] req_sgles SG elements describing request buffer. Will be
* copied in by BFA and hence can be freed on
* return from this function.
* @param[in] get_req_sga function ptr to be called to get a request SG
* Address (given the sge index).
* @param[in] get_req_sglen function ptr to be called to get a request SG
* len (given the sge index).
* @param[in] get_rsp_sga function ptr to be called to get a response SG
* Address (given the sge index).
* @param[in] get_rsp_sglen function ptr to be called to get a response SG
* len (given the sge index).
* @param[in] req Allocated FCXP is used to send req or rsp?
* request - BFA_TRUE, response - BFA_FALSE
*
* @return FCXP instance. NULL on failure.
*/
struct bfa_fcxp_s *
bfa_fcxp_req_rsp_alloc(void *caller, struct bfa_s *bfa, int nreq_sgles,
int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn,
bfa_fcxp_get_sglen_t req_sglen_cbfn,
bfa_fcxp_get_sgaddr_t rsp_sga_cbfn,
bfa_fcxp_get_sglen_t rsp_sglen_cbfn, bfa_boolean_t req)
{
struct bfa_fcxp_s *fcxp = NULL;
WARN_ON(bfa == NULL);
fcxp = bfa_fcxp_get(BFA_FCXP_MOD(bfa), req);
if (fcxp == NULL)
return NULL;
bfa_trc(bfa, fcxp->fcxp_tag);
bfa_fcxp_init(fcxp, caller, bfa, nreq_sgles, nrsp_sgles, req_sga_cbfn,
req_sglen_cbfn, rsp_sga_cbfn, rsp_sglen_cbfn);
return fcxp;
}
/*
* Get the internal request buffer pointer
*
* @param[in] fcxp BFA fcxp pointer
*
* @return pointer to the internal request buffer
*/
void *
bfa_fcxp_get_reqbuf(struct bfa_fcxp_s *fcxp)
{
struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
void *reqbuf;
WARN_ON(fcxp->use_ireqbuf != 1);
reqbuf = bfa_mem_get_dmabuf_kva(mod, fcxp->fcxp_tag,
mod->req_pld_sz + mod->rsp_pld_sz);
return reqbuf;
}
u32
bfa_fcxp_get_reqbufsz(struct bfa_fcxp_s *fcxp)
{
struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
return mod->req_pld_sz;
}
/*
* Get the internal response buffer pointer
*
* @param[in] fcxp BFA fcxp pointer
*
* @return pointer to the internal request buffer
*/
void *
bfa_fcxp_get_rspbuf(struct bfa_fcxp_s *fcxp)
{
struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
void *fcxp_buf;
WARN_ON(fcxp->use_irspbuf != 1);
fcxp_buf = bfa_mem_get_dmabuf_kva(mod, fcxp->fcxp_tag,
mod->req_pld_sz + mod->rsp_pld_sz);
/* fcxp_buf = req_buf + rsp_buf :- add req_buf_sz to get to rsp_buf */
return ((u8 *) fcxp_buf) + mod->req_pld_sz;
}
/*
* Free the BFA FCXP
*
* @param[in] fcxp BFA fcxp pointer
*
* @return void
*/
void
bfa_fcxp_free(struct bfa_fcxp_s *fcxp)
{
struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
WARN_ON(fcxp == NULL);
bfa_trc(mod->bfa, fcxp->fcxp_tag);
bfa_fcxp_put(fcxp);
}
/*
* Send a FCXP request
*
* @param[in] fcxp BFA fcxp pointer
* @param[in] rport BFA rport pointer. Could be left NULL for WKA rports
* @param[in] vf_id virtual Fabric ID
* @param[in] lp_tag lport tag
* @param[in] cts use Continuous sequence
* @param[in] cos fc Class of Service
* @param[in] reqlen request length, does not include FCHS length
* @param[in] fchs fc Header Pointer. The header content will be copied
* in by BFA.
*
* @param[in] cbfn call back function to be called on receiving
* the response
* @param[in] cbarg arg for cbfn
* @param[in] rsp_timeout
* response timeout
*
* @return bfa_status_t
*/
void
bfa_fcxp_send(struct bfa_fcxp_s *fcxp, struct bfa_rport_s *rport,
u16 vf_id, u8 lp_tag, bfa_boolean_t cts, enum fc_cos cos,
u32 reqlen, struct fchs_s *fchs, bfa_cb_fcxp_send_t cbfn,
void *cbarg, u32 rsp_maxlen, u8 rsp_timeout)
{
struct bfa_s *bfa = fcxp->fcxp_mod->bfa;
struct bfa_fcxp_req_info_s *reqi = &fcxp->req_info;
struct bfa_fcxp_rsp_info_s *rspi = &fcxp->rsp_info;
struct bfi_fcxp_send_req_s *send_req;
bfa_trc(bfa, fcxp->fcxp_tag);
/*
* setup request/response info
*/
reqi->bfa_rport = rport;
reqi->vf_id = vf_id;
reqi->lp_tag = lp_tag;
reqi->class = cos;
rspi->rsp_timeout = rsp_timeout;
reqi->cts = cts;
reqi->fchs = *fchs;
reqi->req_tot_len = reqlen;
rspi->rsp_maxlen = rsp_maxlen;
fcxp->send_cbfn = cbfn ? cbfn : bfa_fcxp_null_comp;
fcxp->send_cbarg = cbarg;
/*
* If no room in CPE queue, wait for space in request queue
*/
send_req = bfa_reqq_next(bfa, BFA_REQQ_FCXP);
if (!send_req) {
bfa_trc(bfa, fcxp->fcxp_tag);
fcxp->reqq_waiting = BFA_TRUE;
bfa_reqq_wait(bfa, BFA_REQQ_FCXP, &fcxp->reqq_wqe);
return;
}
bfa_fcxp_queue(fcxp, send_req);
}
/*
* Abort a BFA FCXP
*
* @param[in] fcxp BFA fcxp pointer
*
* @return void
*/
bfa_status_t
bfa_fcxp_abort(struct bfa_fcxp_s *fcxp)
{
bfa_trc(fcxp->fcxp_mod->bfa, fcxp->fcxp_tag);
WARN_ON(1);
return BFA_STATUS_OK;
}
void
bfa_fcxp_req_rsp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe,
bfa_fcxp_alloc_cbfn_t alloc_cbfn, void *alloc_cbarg,
void *caller, int nreq_sgles,
int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn,
bfa_fcxp_get_sglen_t req_sglen_cbfn,
bfa_fcxp_get_sgaddr_t rsp_sga_cbfn,
bfa_fcxp_get_sglen_t rsp_sglen_cbfn, bfa_boolean_t req)
{
struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
if (req)
WARN_ON(!list_empty(&mod->fcxp_req_free_q));
else
WARN_ON(!list_empty(&mod->fcxp_rsp_free_q));
wqe->alloc_cbfn = alloc_cbfn;
wqe->alloc_cbarg = alloc_cbarg;
wqe->caller = caller;
wqe->bfa = bfa;
wqe->nreq_sgles = nreq_sgles;
wqe->nrsp_sgles = nrsp_sgles;
wqe->req_sga_cbfn = req_sga_cbfn;
wqe->req_sglen_cbfn = req_sglen_cbfn;
wqe->rsp_sga_cbfn = rsp_sga_cbfn;
wqe->rsp_sglen_cbfn = rsp_sglen_cbfn;
if (req)
list_add_tail(&wqe->qe, &mod->req_wait_q);
else
list_add_tail(&wqe->qe, &mod->rsp_wait_q);
}
void
bfa_fcxp_walloc_cancel(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe)
{
struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
WARN_ON(!bfa_q_is_on_q(&mod->req_wait_q, wqe) ||
!bfa_q_is_on_q(&mod->rsp_wait_q, wqe));
list_del(&wqe->qe);
}
void
bfa_fcxp_discard(struct bfa_fcxp_s *fcxp)
{
/*
* If waiting for room in request queue, cancel reqq wait
* and free fcxp.
*/
if (fcxp->reqq_waiting) {
fcxp->reqq_waiting = BFA_FALSE;
bfa_reqq_wcancel(&fcxp->reqq_wqe);
bfa_fcxp_free(fcxp);
return;
}
fcxp->send_cbfn = bfa_fcxp_null_comp;
}
void
bfa_fcxp_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
{
switch (msg->mhdr.msg_id) {
case BFI_FCXP_I2H_SEND_RSP:
hal_fcxp_send_comp(bfa, (struct bfi_fcxp_send_rsp_s *) msg);
break;
default:
bfa_trc(bfa, msg->mhdr.msg_id);
WARN_ON(1);
}
}
u32
bfa_fcxp_get_maxrsp(struct bfa_s *bfa)
{
struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
return mod->rsp_pld_sz;
}
void
bfa_fcxp_res_recfg(struct bfa_s *bfa, u16 num_fcxp_fw)
{
struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
struct list_head *qe;
int i;
for (i = 0; i < (mod->num_fcxps - num_fcxp_fw); i++) {
if (i < ((mod->num_fcxps - num_fcxp_fw) / 2)) {
bfa_q_deq_tail(&mod->fcxp_req_free_q, &qe);
list_add_tail(qe, &mod->fcxp_req_unused_q);
} else {
bfa_q_deq_tail(&mod->fcxp_rsp_free_q, &qe);
list_add_tail(qe, &mod->fcxp_rsp_unused_q);
}
}
}
/*
* BFA LPS state machine functions
*/
/*
* Init state -- no login
*/
static void
bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event)
{
bfa_trc(lps->bfa, lps->bfa_tag);
bfa_trc(lps->bfa, event);
switch (event) {
case BFA_LPS_SM_LOGIN:
if (bfa_reqq_full(lps->bfa, lps->reqq)) {
bfa_sm_set_state(lps, bfa_lps_sm_loginwait);
bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe);
} else {
bfa_sm_set_state(lps, bfa_lps_sm_login);
bfa_lps_send_login(lps);
}
if (lps->fdisc)
bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
BFA_PL_EID_LOGIN, 0, "FDISC Request");
else
bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
BFA_PL_EID_LOGIN, 0, "FLOGI Request");
break;
case BFA_LPS_SM_LOGOUT:
bfa_lps_logout_comp(lps);
break;
case BFA_LPS_SM_DELETE:
bfa_lps_free(lps);
break;
case BFA_LPS_SM_RX_CVL:
case BFA_LPS_SM_OFFLINE:
break;
case BFA_LPS_SM_FWRSP:
/*
* Could happen when fabric detects loopback and discards
* the lps request. Fw will eventually sent out the timeout
* Just ignore
*/
break;
case BFA_LPS_SM_SET_N2N_PID:
/*
* When topology is set to loop, bfa_lps_set_n2n_pid() sends
* this event. Ignore this event.
*/
break;
default:
bfa_sm_fault(lps->bfa, event);
}
}
/*
* login is in progress -- awaiting response from firmware
*/
static void
bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event)
{
bfa_trc(lps->bfa, lps->bfa_tag);
bfa_trc(lps->bfa, event);
switch (event) {
case BFA_LPS_SM_FWRSP:
if (lps->status == BFA_STATUS_OK) {
bfa_sm_set_state(lps, bfa_lps_sm_online);
if (lps->fdisc)
bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
BFA_PL_EID_LOGIN, 0, "FDISC Accept");
else
bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
BFA_PL_EID_LOGIN, 0, "FLOGI Accept");
/* If N2N, send the assigned PID to FW */
bfa_trc(lps->bfa, lps->fport);
bfa_trc(lps->bfa, lps->lp_pid);
if (!lps->fport && lps->lp_pid)
bfa_sm_send_event(lps, BFA_LPS_SM_SET_N2N_PID);
} else {
bfa_sm_set_state(lps, bfa_lps_sm_init);
if (lps->fdisc)
bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
BFA_PL_EID_LOGIN, 0,
"FDISC Fail (RJT or timeout)");
else
bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
BFA_PL_EID_LOGIN, 0,
"FLOGI Fail (RJT or timeout)");
}
bfa_lps_login_comp(lps);
break;
case BFA_LPS_SM_OFFLINE:
case BFA_LPS_SM_DELETE:
bfa_sm_set_state(lps, bfa_lps_sm_init);
break;
case BFA_LPS_SM_SET_N2N_PID:
bfa_trc(lps->bfa, lps->fport);
bfa_trc(lps->bfa, lps->lp_pid);
break;
default:
bfa_sm_fault(lps->bfa, event);
}
}
/*
* login pending - awaiting space in request queue
*/
static void
bfa_lps_sm_loginwait(struct bfa_lps_s *lps, enum bfa_lps_event event)
{
bfa_trc(lps->bfa, lps->bfa_tag);
bfa_trc(lps->bfa, event);
switch (event) {
case BFA_LPS_SM_RESUME:
bfa_sm_set_state(lps, bfa_lps_sm_login);
bfa_lps_send_login(lps);
break;
case BFA_LPS_SM_OFFLINE:
case BFA_LPS_SM_DELETE:
bfa_sm_set_state(lps, bfa_lps_sm_init);
bfa_reqq_wcancel(&lps->wqe);
break;
case BFA_LPS_SM_RX_CVL:
/*
* Login was not even sent out; so when getting out
* of this state, it will appear like a login retry
* after Clear virtual link
*/
break;
default:
bfa_sm_fault(lps->bfa, event);
}
}
/*
* login complete
*/
static void
bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event)
{
bfa_trc(lps->bfa, lps->bfa_tag);
bfa_trc(lps->bfa, event);
switch (event) {
case BFA_LPS_SM_LOGOUT:
if (bfa_reqq_full(lps->bfa, lps->reqq)) {
bfa_sm_set_state(lps, bfa_lps_sm_logowait);
bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe);
} else {
bfa_sm_set_state(lps, bfa_lps_sm_logout);
bfa_lps_send_logout(lps);
}
bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
BFA_PL_EID_LOGO, 0, "Logout");
break;
case BFA_LPS_SM_RX_CVL:
bfa_sm_set_state(lps, bfa_lps_sm_init);
/* Let the vport module know about this event */
bfa_lps_cvl_event(lps);
bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
BFA_PL_EID_FIP_FCF_CVL, 0, "FCF Clear Virt. Link Rx");
break;
case BFA_LPS_SM_SET_N2N_PID:
if (bfa_reqq_full(lps->bfa, lps->reqq)) {
bfa_sm_set_state(lps, bfa_lps_sm_online_n2n_pid_wait);
bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe);
} else
bfa_lps_send_set_n2n_pid(lps);
break;
case BFA_LPS_SM_OFFLINE:
case BFA_LPS_SM_DELETE:
bfa_sm_set_state(lps, bfa_lps_sm_init);
break;
default:
bfa_sm_fault(lps->bfa, event);
}
}
/*
* login complete
*/
static void
bfa_lps_sm_online_n2n_pid_wait(struct bfa_lps_s *lps, enum bfa_lps_event event)
{
bfa_trc(lps->bfa, lps->bfa_tag);
bfa_trc(lps->bfa, event);
switch (event) {
case BFA_LPS_SM_RESUME:
bfa_sm_set_state(lps, bfa_lps_sm_online);
bfa_lps_send_set_n2n_pid(lps);
break;
case BFA_LPS_SM_LOGOUT:
bfa_sm_set_state(lps, bfa_lps_sm_logowait);
bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
BFA_PL_EID_LOGO, 0, "Logout");
break;
case BFA_LPS_SM_RX_CVL:
bfa_sm_set_state(lps, bfa_lps_sm_init);
bfa_reqq_wcancel(&lps->wqe);
/* Let the vport module know about this event */
bfa_lps_cvl_event(lps);
bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
BFA_PL_EID_FIP_FCF_CVL, 0, "FCF Clear Virt. Link Rx");
break;
case BFA_LPS_SM_OFFLINE:
case BFA_LPS_SM_DELETE:
bfa_sm_set_state(lps, bfa_lps_sm_init);
bfa_reqq_wcancel(&lps->wqe);
break;
default:
bfa_sm_fault(lps->bfa, event);
}
}
/*
* logout in progress - awaiting firmware response
*/
static void
bfa_lps_sm_logout(struct bfa_lps_s *lps, enum bfa_lps_event event)
{
bfa_trc(lps->bfa, lps->bfa_tag);
bfa_trc(lps->bfa, event);
switch (event) {
case BFA_LPS_SM_FWRSP:
case BFA_LPS_SM_OFFLINE:
bfa_sm_set_state(lps, bfa_lps_sm_init);
bfa_lps_logout_comp(lps);
break;
case BFA_LPS_SM_DELETE:
bfa_sm_set_state(lps, bfa_lps_sm_init);
break;
default:
bfa_sm_fault(lps->bfa, event);
}
}
/*
* logout pending -- awaiting space in request queue
*/
static void
bfa_lps_sm_logowait(struct bfa_lps_s *lps, enum bfa_lps_event event)
{
bfa_trc(lps->bfa, lps->bfa_tag);
bfa_trc(lps->bfa, event);
switch (event) {
case BFA_LPS_SM_RESUME:
bfa_sm_set_state(lps, bfa_lps_sm_logout);
bfa_lps_send_logout(lps);
break;
case BFA_LPS_SM_OFFLINE:
case BFA_LPS_SM_DELETE:
bfa_sm_set_state(lps, bfa_lps_sm_init);
bfa_reqq_wcancel(&lps->wqe);
break;
default:
bfa_sm_fault(lps->bfa, event);
}
}
/*
* lps_pvt BFA LPS private functions
*/
/*
* return memory requirement
*/
static void
bfa_lps_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
struct bfa_s *bfa)
{
struct bfa_mem_kva_s *lps_kva = BFA_MEM_LPS_KVA(bfa);
if (cfg->drvcfg.min_cfg)
bfa_mem_kva_setup(minfo, lps_kva,
sizeof(struct bfa_lps_s) * BFA_LPS_MIN_LPORTS);
else
bfa_mem_kva_setup(minfo, lps_kva,
sizeof(struct bfa_lps_s) * BFA_LPS_MAX_LPORTS);
}
/*
* bfa module attach at initialization time
*/
static void
bfa_lps_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_pcidev_s *pcidev)
{
struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
struct bfa_lps_s *lps;
int i;
mod->num_lps = BFA_LPS_MAX_LPORTS;
if (cfg->drvcfg.min_cfg)
mod->num_lps = BFA_LPS_MIN_LPORTS;
else
mod->num_lps = BFA_LPS_MAX_LPORTS;
mod->lps_arr = lps = (struct bfa_lps_s *) bfa_mem_kva_curp(mod);
bfa_mem_kva_curp(mod) += mod->num_lps * sizeof(struct bfa_lps_s);
INIT_LIST_HEAD(&mod->lps_free_q);
INIT_LIST_HEAD(&mod->lps_active_q);
INIT_LIST_HEAD(&mod->lps_login_q);
for (i = 0; i < mod->num_lps; i++, lps++) {
lps->bfa = bfa;
lps->bfa_tag = (u8) i;
lps->reqq = BFA_REQQ_LPS;
bfa_reqq_winit(&lps->wqe, bfa_lps_reqq_resume, lps);
list_add_tail(&lps->qe, &mod->lps_free_q);
}
}
static void
bfa_lps_detach(struct bfa_s *bfa)
{
}
static void
bfa_lps_start(struct bfa_s *bfa)
{
}
static void
bfa_lps_stop(struct bfa_s *bfa)
{
}
/*
* IOC in disabled state -- consider all lps offline
*/
static void
bfa_lps_iocdisable(struct bfa_s *bfa)
{
struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
struct bfa_lps_s *lps;
struct list_head *qe, *qen;
list_for_each_safe(qe, qen, &mod->lps_active_q) {
lps = (struct bfa_lps_s *) qe;
bfa_sm_send_event(lps, BFA_LPS_SM_OFFLINE);
}
list_for_each_safe(qe, qen, &mod->lps_login_q) {
lps = (struct bfa_lps_s *) qe;
bfa_sm_send_event(lps, BFA_LPS_SM_OFFLINE);
}
list_splice_tail_init(&mod->lps_login_q, &mod->lps_active_q);
}
/*
* Firmware login response
*/
static void
bfa_lps_login_rsp(struct bfa_s *bfa, struct bfi_lps_login_rsp_s *rsp)
{
struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
struct bfa_lps_s *lps;
WARN_ON(rsp->bfa_tag >= mod->num_lps);
lps = BFA_LPS_FROM_TAG(mod, rsp->bfa_tag);
lps->status = rsp->status;
switch (rsp->status) {
case BFA_STATUS_OK:
lps->fw_tag = rsp->fw_tag;
lps->fport = rsp->f_port;
if (lps->fport)
lps->lp_pid = rsp->lp_pid;
lps->npiv_en = rsp->npiv_en;
lps->pr_bbcred = be16_to_cpu(rsp->bb_credit);
lps->pr_pwwn = rsp->port_name;
lps->pr_nwwn = rsp->node_name;
lps->auth_req = rsp->auth_req;
lps->lp_mac = rsp->lp_mac;
lps->brcd_switch = rsp->brcd_switch;
lps->fcf_mac = rsp->fcf_mac;
break;
case BFA_STATUS_FABRIC_RJT:
lps->lsrjt_rsn = rsp->lsrjt_rsn;
lps->lsrjt_expl = rsp->lsrjt_expl;
break;
case BFA_STATUS_EPROTOCOL:
lps->ext_status = rsp->ext_status;
break;
case BFA_STATUS_VPORT_MAX:
if (rsp->ext_status)
bfa_lps_no_res(lps, rsp->ext_status);
break;
default:
/* Nothing to do with other status */
break;
}
list_del(&lps->qe);
list_add_tail(&lps->qe, &mod->lps_active_q);
bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
}
static void
bfa_lps_no_res(struct bfa_lps_s *first_lps, u8 count)
{
struct bfa_s *bfa = first_lps->bfa;
struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
struct list_head *qe, *qe_next;
struct bfa_lps_s *lps;
bfa_trc(bfa, count);
qe = bfa_q_next(first_lps);
while (count && qe) {
qe_next = bfa_q_next(qe);
lps = (struct bfa_lps_s *)qe;
bfa_trc(bfa, lps->bfa_tag);
lps->status = first_lps->status;
list_del(&lps->qe);
list_add_tail(&lps->qe, &mod->lps_active_q);
bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
qe = qe_next;
count--;
}
}
/*
* Firmware logout response
*/
static void
bfa_lps_logout_rsp(struct bfa_s *bfa, struct bfi_lps_logout_rsp_s *rsp)
{
struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
struct bfa_lps_s *lps;
WARN_ON(rsp->bfa_tag >= mod->num_lps);
lps = BFA_LPS_FROM_TAG(mod, rsp->bfa_tag);
bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
}
/*
* Firmware received a Clear virtual link request (for FCoE)
*/
static void
bfa_lps_rx_cvl_event(struct bfa_s *bfa, struct bfi_lps_cvl_event_s *cvl)
{
struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
struct bfa_lps_s *lps;
lps = BFA_LPS_FROM_TAG(mod, cvl->bfa_tag);
bfa_sm_send_event(lps, BFA_LPS_SM_RX_CVL);
}
/*
* Space is available in request queue, resume queueing request to firmware.
*/
static void
bfa_lps_reqq_resume(void *lps_arg)
{
struct bfa_lps_s *lps = lps_arg;
bfa_sm_send_event(lps, BFA_LPS_SM_RESUME);
}
/*
* lps is freed -- triggered by vport delete
*/
static void
bfa_lps_free(struct bfa_lps_s *lps)
{
struct bfa_lps_mod_s *mod = BFA_LPS_MOD(lps->bfa);
lps->lp_pid = 0;
list_del(&lps->qe);
list_add_tail(&lps->qe, &mod->lps_free_q);
}
/*
* send login request to firmware
*/
static void
bfa_lps_send_login(struct bfa_lps_s *lps)
{
struct bfa_lps_mod_s *mod = BFA_LPS_MOD(lps->bfa);
struct bfi_lps_login_req_s *m;
m = bfa_reqq_next(lps->bfa, lps->reqq);
WARN_ON(!m);
bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_LOGIN_REQ,
bfa_fn_lpu(lps->bfa));
m->bfa_tag = lps->bfa_tag;
m->alpa = lps->alpa;
m->pdu_size = cpu_to_be16(lps->pdusz);
m->pwwn = lps->pwwn;
m->nwwn = lps->nwwn;
m->fdisc = lps->fdisc;
m->auth_en = lps->auth_en;
bfa_reqq_produce(lps->bfa, lps->reqq, m->mh);
list_del(&lps->qe);
list_add_tail(&lps->qe, &mod->lps_login_q);
}
/*
* send logout request to firmware
*/
static void
bfa_lps_send_logout(struct bfa_lps_s *lps)
{
struct bfi_lps_logout_req_s *m;
m = bfa_reqq_next(lps->bfa, lps->reqq);
WARN_ON(!m);
bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_LOGOUT_REQ,
bfa_fn_lpu(lps->bfa));
m->fw_tag = lps->fw_tag;
m->port_name = lps->pwwn;
bfa_reqq_produce(lps->bfa, lps->reqq, m->mh);
}
/*
* send n2n pid set request to firmware
*/
static void
bfa_lps_send_set_n2n_pid(struct bfa_lps_s *lps)
{
struct bfi_lps_n2n_pid_req_s *m;
m = bfa_reqq_next(lps->bfa, lps->reqq);
WARN_ON(!m);
bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_N2N_PID_REQ,
bfa_fn_lpu(lps->bfa));
m->fw_tag = lps->fw_tag;
m->lp_pid = lps->lp_pid;
bfa_reqq_produce(lps->bfa, lps->reqq, m->mh);
}
/*
* Indirect login completion handler for non-fcs
*/
static void
bfa_lps_login_comp_cb(void *arg, bfa_boolean_t complete)
{
struct bfa_lps_s *lps = arg;
if (!complete)
return;
if (lps->fdisc)
bfa_cb_lps_fdisc_comp(lps->bfa->bfad, lps->uarg, lps->status);
else
bfa_cb_lps_flogi_comp(lps->bfa->bfad, lps->uarg, lps->status);
}
/*
* Login completion handler -- direct call for fcs, queue for others
*/
static void
bfa_lps_login_comp(struct bfa_lps_s *lps)
{
if (!lps->bfa->fcs) {
bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_login_comp_cb,
lps);
return;
}
if (lps->fdisc)
bfa_cb_lps_fdisc_comp(lps->bfa->bfad, lps->uarg, lps->status);
else
bfa_cb_lps_flogi_comp(lps->bfa->bfad, lps->uarg, lps->status);
}
/*
* Indirect logout completion handler for non-fcs
*/
static void
bfa_lps_logout_comp_cb(void *arg, bfa_boolean_t complete)
{
struct bfa_lps_s *lps = arg;
if (!complete)
return;
if (lps->fdisc)
bfa_cb_lps_fdisclogo_comp(lps->bfa->bfad, lps->uarg);
else
bfa_cb_lps_flogo_comp(lps->bfa->bfad, lps->uarg);
}
/*
* Logout completion handler -- direct call for fcs, queue for others
*/
static void
bfa_lps_logout_comp(struct bfa_lps_s *lps)
{
if (!lps->bfa->fcs) {
bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_logout_comp_cb,
lps);
return;
}
if (lps->fdisc)
bfa_cb_lps_fdisclogo_comp(lps->bfa->bfad, lps->uarg);
}
/*
* Clear virtual link completion handler for non-fcs
*/
static void
bfa_lps_cvl_event_cb(void *arg, bfa_boolean_t complete)
{
struct bfa_lps_s *lps = arg;
if (!complete)
return;
/* Clear virtual link to base port will result in link down */
if (lps->fdisc)
bfa_cb_lps_cvl_event(lps->bfa->bfad, lps->uarg);
}
/*
* Received Clear virtual link event --direct call for fcs,
* queue for others
*/
static void
bfa_lps_cvl_event(struct bfa_lps_s *lps)
{
if (!lps->bfa->fcs) {
bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_cvl_event_cb,
lps);
return;
}
/* Clear virtual link to base port will result in link down */
if (lps->fdisc)
bfa_cb_lps_cvl_event(lps->bfa->bfad, lps->uarg);
}
/*
* lps_public BFA LPS public functions
*/
u32
bfa_lps_get_max_vport(struct bfa_s *bfa)
{
if (bfa_ioc_devid(&bfa->ioc) == BFA_PCI_DEVICE_ID_CT)
return BFA_LPS_MAX_VPORTS_SUPP_CT;
else
return BFA_LPS_MAX_VPORTS_SUPP_CB;
}
/*
* Allocate a lport srvice tag.
*/
struct bfa_lps_s *
bfa_lps_alloc(struct bfa_s *bfa)
{
struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
struct bfa_lps_s *lps = NULL;
bfa_q_deq(&mod->lps_free_q, &lps);
if (lps == NULL)
return NULL;
list_add_tail(&lps->qe, &mod->lps_active_q);
bfa_sm_set_state(lps, bfa_lps_sm_init);
return lps;
}
/*
* Free lport service tag. This can be called anytime after an alloc.
* No need to wait for any pending login/logout completions.
*/
void
bfa_lps_delete(struct bfa_lps_s *lps)
{
bfa_sm_send_event(lps, BFA_LPS_SM_DELETE);
}
/*
* Initiate a lport login.
*/
void
bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa, u16 pdusz,
wwn_t pwwn, wwn_t nwwn, bfa_boolean_t auth_en)
{
lps->uarg = uarg;
lps->alpa = alpa;
lps->pdusz = pdusz;
lps->pwwn = pwwn;
lps->nwwn = nwwn;
lps->fdisc = BFA_FALSE;
lps->auth_en = auth_en;
bfa_sm_send_event(lps, BFA_LPS_SM_LOGIN);
}
/*
* Initiate a lport fdisc login.
*/
void
bfa_lps_fdisc(struct bfa_lps_s *lps, void *uarg, u16 pdusz, wwn_t pwwn,
wwn_t nwwn)
{
lps->uarg = uarg;
lps->alpa = 0;
lps->pdusz = pdusz;
lps->pwwn = pwwn;
lps->nwwn = nwwn;
lps->fdisc = BFA_TRUE;
lps->auth_en = BFA_FALSE;
bfa_sm_send_event(lps, BFA_LPS_SM_LOGIN);
}
/*
* Initiate a lport FDSIC logout.
*/
void
bfa_lps_fdisclogo(struct bfa_lps_s *lps)
{
bfa_sm_send_event(lps, BFA_LPS_SM_LOGOUT);
}
u8
bfa_lps_get_fwtag(struct bfa_s *bfa, u8 lp_tag)
{
struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
return BFA_LPS_FROM_TAG(mod, lp_tag)->fw_tag;
}
/*
* Return lport services tag given the pid
*/
u8
bfa_lps_get_tag_from_pid(struct bfa_s *bfa, u32 pid)
{
struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
struct bfa_lps_s *lps;
int i;
for (i = 0, lps = mod->lps_arr; i < mod->num_lps; i++, lps++) {
if (lps->lp_pid == pid)
return lps->bfa_tag;
}
/* Return base port tag anyway */
return 0;
}
/*
* return port id assigned to the base lport
*/
u32
bfa_lps_get_base_pid(struct bfa_s *bfa)
{
struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
return BFA_LPS_FROM_TAG(mod, 0)->lp_pid;
}
/*
* Set PID in case of n2n (which is assigned during PLOGI)
*/
void
bfa_lps_set_n2n_pid(struct bfa_lps_s *lps, uint32_t n2n_pid)
{
bfa_trc(lps->bfa, lps->bfa_tag);
bfa_trc(lps->bfa, n2n_pid);
lps->lp_pid = n2n_pid;
bfa_sm_send_event(lps, BFA_LPS_SM_SET_N2N_PID);
}
/*
* LPS firmware message class handler.
*/
void
bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
{
union bfi_lps_i2h_msg_u msg;
bfa_trc(bfa, m->mhdr.msg_id);
msg.msg = m;
switch (m->mhdr.msg_id) {
case BFI_LPS_I2H_LOGIN_RSP:
bfa_lps_login_rsp(bfa, msg.login_rsp);
break;
case BFI_LPS_I2H_LOGOUT_RSP:
bfa_lps_logout_rsp(bfa, msg.logout_rsp);
break;
case BFI_LPS_I2H_CVL_EVENT:
bfa_lps_rx_cvl_event(bfa, msg.cvl_event);
break;
default:
bfa_trc(bfa, m->mhdr.msg_id);
WARN_ON(1);
}
}
static void
bfa_fcport_aen_post(struct bfa_fcport_s *fcport, enum bfa_port_aen_event event)
{
struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
struct bfa_aen_entry_s *aen_entry;
bfad_get_aen_entry(bfad, aen_entry);
if (!aen_entry)
return;
aen_entry->aen_data.port.ioc_type = bfa_get_type(fcport->bfa);
aen_entry->aen_data.port.pwwn = fcport->pwwn;
/* Send the AEN notification */
bfad_im_post_vendor_event(aen_entry, bfad, ++fcport->bfa->bfa_aen_seq,
BFA_AEN_CAT_PORT, event);
}
/*
* FC PORT state machine functions
*/
static void
bfa_fcport_sm_uninit(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event)
{
bfa_trc(fcport->bfa, event);
switch (event) {
case BFA_FCPORT_SM_START:
/*
* Start event after IOC is configured and BFA is started.
*/
fcport->use_flash_cfg = BFA_TRUE;
if (bfa_fcport_send_enable(fcport)) {
bfa_trc(fcport->bfa, BFA_TRUE);
bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
} else {
bfa_trc(fcport->bfa, BFA_FALSE);
bfa_sm_set_state(fcport,
bfa_fcport_sm_enabling_qwait);
}
break;
case BFA_FCPORT_SM_ENABLE:
/*
* Port is persistently configured to be in enabled state. Do
* not change state. Port enabling is done when START event is
* received.
*/
break;
case BFA_FCPORT_SM_DISABLE:
/*
* If a port is persistently configured to be disabled, the
* first event will a port disable request.
*/
bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
break;
case BFA_FCPORT_SM_HWFAIL:
bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
break;
default:
bfa_sm_fault(fcport->bfa, event);
}
}
static void
bfa_fcport_sm_enabling_qwait(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event)
{
char pwwn_buf[BFA_STRING_32];
struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
bfa_trc(fcport->bfa, event);
switch (event) {
case BFA_FCPORT_SM_QRESUME:
bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
bfa_fcport_send_enable(fcport);
break;
case BFA_FCPORT_SM_STOP:
bfa_reqq_wcancel(&fcport->reqq_wait);
bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
break;
case BFA_FCPORT_SM_ENABLE:
/*
* Already enable is in progress.
*/
break;
case BFA_FCPORT_SM_DISABLE:
/*
* Just send disable request to firmware when room becomes
* available in request queue.
*/
bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
bfa_reqq_wcancel(&fcport->reqq_wait);
bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
wwn2str(pwwn_buf, fcport->pwwn);
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port disabled: WWN = %s\n", pwwn_buf);
bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
break;
case BFA_FCPORT_SM_LINKUP:
case BFA_FCPORT_SM_LINKDOWN:
/*
* Possible to get link events when doing back-to-back
* enable/disables.
*/
break;
case BFA_FCPORT_SM_HWFAIL:
bfa_reqq_wcancel(&fcport->reqq_wait);
bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
break;
case BFA_FCPORT_SM_FAA_MISCONFIG:
bfa_fcport_reset_linkinfo(fcport);
bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig);
break;
default:
bfa_sm_fault(fcport->bfa, event);
}
}
static void
bfa_fcport_sm_enabling(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event)
{
char pwwn_buf[BFA_STRING_32];
struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
bfa_trc(fcport->bfa, event);
switch (event) {
case BFA_FCPORT_SM_FWRSP:
case BFA_FCPORT_SM_LINKDOWN:
bfa_sm_set_state(fcport, bfa_fcport_sm_linkdown);
break;
case BFA_FCPORT_SM_LINKUP:
bfa_fcport_update_linkinfo(fcport);
bfa_sm_set_state(fcport, bfa_fcport_sm_linkup);
WARN_ON(!fcport->event_cbfn);
bfa_fcport_scn(fcport, BFA_PORT_LINKUP, BFA_FALSE);
break;
case BFA_FCPORT_SM_ENABLE:
/*
* Already being enabled.
*/
break;
case BFA_FCPORT_SM_DISABLE:
if (bfa_fcport_send_disable(fcport))
bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
else
bfa_sm_set_state(fcport,
bfa_fcport_sm_disabling_qwait);
bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
wwn2str(pwwn_buf, fcport->pwwn);
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port disabled: WWN = %s\n", pwwn_buf);
bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
break;
case BFA_FCPORT_SM_STOP:
bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
break;
case BFA_FCPORT_SM_HWFAIL:
bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
break;
case BFA_FCPORT_SM_FAA_MISCONFIG:
bfa_fcport_reset_linkinfo(fcport);
bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig);
break;
default:
bfa_sm_fault(fcport->bfa, event);
}
}
static void
bfa_fcport_sm_linkdown(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event)
{
struct bfi_fcport_event_s *pevent = fcport->event_arg.i2hmsg.event;
char pwwn_buf[BFA_STRING_32];
struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
bfa_trc(fcport->bfa, event);
switch (event) {
case BFA_FCPORT_SM_LINKUP:
bfa_fcport_update_linkinfo(fcport);
bfa_sm_set_state(fcport, bfa_fcport_sm_linkup);
WARN_ON(!fcport->event_cbfn);
bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkup");
if (!bfa_ioc_get_fcmode(&fcport->bfa->ioc)) {
bfa_trc(fcport->bfa,
pevent->link_state.attr.vc_fcf.fcf.fipenabled);
bfa_trc(fcport->bfa,
pevent->link_state.attr.vc_fcf.fcf.fipfailed);
if (pevent->link_state.attr.vc_fcf.fcf.fipfailed)
bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_FIP_FCF_DISC, 0,
"FIP FCF Discovery Failed");
else
bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_FIP_FCF_DISC, 0,
"FIP FCF Discovered");
}
bfa_fcport_scn(fcport, BFA_PORT_LINKUP, BFA_FALSE);
wwn2str(pwwn_buf, fcport->pwwn);
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port online: WWN = %s\n", pwwn_buf);
bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ONLINE);
/* If QoS is enabled and it is not online, send AEN */
if (fcport->cfg.qos_enabled &&
fcport->qos_attr.state != BFA_QOS_ONLINE)
bfa_fcport_aen_post(fcport, BFA_PORT_AEN_QOS_NEG);
break;
case BFA_FCPORT_SM_LINKDOWN:
/*
* Possible to get link down event.
*/
break;
case BFA_FCPORT_SM_ENABLE:
/*
* Already enabled.
*/
break;
case BFA_FCPORT_SM_DISABLE:
if (bfa_fcport_send_disable(fcport))
bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
else
bfa_sm_set_state(fcport,
bfa_fcport_sm_disabling_qwait);
bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
wwn2str(pwwn_buf, fcport->pwwn);
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port disabled: WWN = %s\n", pwwn_buf);
bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
break;
case BFA_FCPORT_SM_STOP:
bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
break;
case BFA_FCPORT_SM_HWFAIL:
bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
break;
case BFA_FCPORT_SM_FAA_MISCONFIG:
bfa_fcport_reset_linkinfo(fcport);
bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig);
break;
default:
bfa_sm_fault(fcport->bfa, event);
}
}
static void
bfa_fcport_sm_linkup(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event)
{
char pwwn_buf[BFA_STRING_32];
struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
bfa_trc(fcport->bfa, event);
switch (event) {
case BFA_FCPORT_SM_ENABLE:
/*
* Already enabled.
*/
break;
case BFA_FCPORT_SM_DISABLE:
if (bfa_fcport_send_disable(fcport))
bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
else
bfa_sm_set_state(fcport,
bfa_fcport_sm_disabling_qwait);
bfa_fcport_reset_linkinfo(fcport);
bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
wwn2str(pwwn_buf, fcport->pwwn);
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port offline: WWN = %s\n", pwwn_buf);
bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port disabled: WWN = %s\n", pwwn_buf);
bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
break;
case BFA_FCPORT_SM_LINKDOWN:
bfa_sm_set_state(fcport, bfa_fcport_sm_linkdown);
bfa_fcport_reset_linkinfo(fcport);
bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkdown");
wwn2str(pwwn_buf, fcport->pwwn);
if (BFA_PORT_IS_DISABLED(fcport->bfa)) {
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port offline: WWN = %s\n", pwwn_buf);
bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
} else {
BFA_LOG(KERN_ERR, bfad, bfa_log_level,
"Base port (WWN = %s) "
"lost fabric connectivity\n", pwwn_buf);
bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
}
break;
case BFA_FCPORT_SM_STOP:
bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
bfa_fcport_reset_linkinfo(fcport);
wwn2str(pwwn_buf, fcport->pwwn);
if (BFA_PORT_IS_DISABLED(fcport->bfa)) {
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port offline: WWN = %s\n", pwwn_buf);
bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
} else {
BFA_LOG(KERN_ERR, bfad, bfa_log_level,
"Base port (WWN = %s) "
"lost fabric connectivity\n", pwwn_buf);
bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
}
break;
case BFA_FCPORT_SM_HWFAIL:
bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
bfa_fcport_reset_linkinfo(fcport);
bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
wwn2str(pwwn_buf, fcport->pwwn);
if (BFA_PORT_IS_DISABLED(fcport->bfa)) {
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port offline: WWN = %s\n", pwwn_buf);
bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
} else {
BFA_LOG(KERN_ERR, bfad, bfa_log_level,
"Base port (WWN = %s) "
"lost fabric connectivity\n", pwwn_buf);
bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
}
break;
case BFA_FCPORT_SM_FAA_MISCONFIG:
bfa_fcport_reset_linkinfo(fcport);
bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig);
break;
default:
bfa_sm_fault(fcport->bfa, event);
}
}
static void
bfa_fcport_sm_disabling_qwait(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event)
{
bfa_trc(fcport->bfa, event);
switch (event) {
case BFA_FCPORT_SM_QRESUME:
bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
bfa_fcport_send_disable(fcport);
break;
case BFA_FCPORT_SM_STOP:
bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
bfa_reqq_wcancel(&fcport->reqq_wait);
break;
case BFA_FCPORT_SM_ENABLE:
bfa_sm_set_state(fcport, bfa_fcport_sm_toggling_qwait);
break;
case BFA_FCPORT_SM_DISABLE:
/*
* Already being disabled.
*/
break;
case BFA_FCPORT_SM_LINKUP:
case BFA_FCPORT_SM_LINKDOWN:
/*
* Possible to get link events when doing back-to-back
* enable/disables.
*/
break;
case BFA_FCPORT_SM_HWFAIL:
bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
bfa_reqq_wcancel(&fcport->reqq_wait);
break;
case BFA_FCPORT_SM_FAA_MISCONFIG:
bfa_fcport_reset_linkinfo(fcport);
bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig);
break;
default:
bfa_sm_fault(fcport->bfa, event);
}
}
static void
bfa_fcport_sm_toggling_qwait(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event)
{
bfa_trc(fcport->bfa, event);
switch (event) {
case BFA_FCPORT_SM_QRESUME:
bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
bfa_fcport_send_disable(fcport);
if (bfa_fcport_send_enable(fcport))
bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
else
bfa_sm_set_state(fcport,
bfa_fcport_sm_enabling_qwait);
break;
case BFA_FCPORT_SM_STOP:
bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
bfa_reqq_wcancel(&fcport->reqq_wait);
break;
case BFA_FCPORT_SM_ENABLE:
break;
case BFA_FCPORT_SM_DISABLE:
bfa_sm_set_state(fcport, bfa_fcport_sm_disabling_qwait);
break;
case BFA_FCPORT_SM_LINKUP:
case BFA_FCPORT_SM_LINKDOWN:
/*
* Possible to get link events when doing back-to-back
* enable/disables.
*/
break;
case BFA_FCPORT_SM_HWFAIL:
bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
bfa_reqq_wcancel(&fcport->reqq_wait);
break;
default:
bfa_sm_fault(fcport->bfa, event);
}
}
static void
bfa_fcport_sm_disabling(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event)
{
char pwwn_buf[BFA_STRING_32];
struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
bfa_trc(fcport->bfa, event);
switch (event) {
case BFA_FCPORT_SM_FWRSP:
bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
break;
case BFA_FCPORT_SM_DISABLE:
/*
* Already being disabled.
*/
break;
case BFA_FCPORT_SM_ENABLE:
if (bfa_fcport_send_enable(fcport))
bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
else
bfa_sm_set_state(fcport,
bfa_fcport_sm_enabling_qwait);
bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_PORT_ENABLE, 0, "Port Enable");
wwn2str(pwwn_buf, fcport->pwwn);
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port enabled: WWN = %s\n", pwwn_buf);
bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ENABLE);
break;
case BFA_FCPORT_SM_STOP:
bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
break;
case BFA_FCPORT_SM_LINKUP:
case BFA_FCPORT_SM_LINKDOWN:
/*
* Possible to get link events when doing back-to-back
* enable/disables.
*/
break;
case BFA_FCPORT_SM_HWFAIL:
bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
break;
default:
bfa_sm_fault(fcport->bfa, event);
}
}
static void
bfa_fcport_sm_disabled(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event)
{
char pwwn_buf[BFA_STRING_32];
struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
bfa_trc(fcport->bfa, event);
switch (event) {
case BFA_FCPORT_SM_START:
/*
* Ignore start event for a port that is disabled.
*/
break;
case BFA_FCPORT_SM_STOP:
bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
break;
case BFA_FCPORT_SM_ENABLE:
if (bfa_fcport_send_enable(fcport))
bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
else
bfa_sm_set_state(fcport,
bfa_fcport_sm_enabling_qwait);
bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_PORT_ENABLE, 0, "Port Enable");
wwn2str(pwwn_buf, fcport->pwwn);
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port enabled: WWN = %s\n", pwwn_buf);
bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ENABLE);
break;
case BFA_FCPORT_SM_DISABLE:
/*
* Already disabled.
*/
break;
case BFA_FCPORT_SM_HWFAIL:
bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
break;
case BFA_FCPORT_SM_DPORTENABLE:
bfa_sm_set_state(fcport, bfa_fcport_sm_dport);
break;
case BFA_FCPORT_SM_DDPORTENABLE:
bfa_sm_set_state(fcport, bfa_fcport_sm_ddport);
break;
default:
bfa_sm_fault(fcport->bfa, event);
}
}
static void
bfa_fcport_sm_stopped(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event)
{
bfa_trc(fcport->bfa, event);
switch (event) {
case BFA_FCPORT_SM_START:
if (bfa_fcport_send_enable(fcport))
bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
else
bfa_sm_set_state(fcport,
bfa_fcport_sm_enabling_qwait);
break;
default:
/*
* Ignore all other events.
*/
;
}
}
/*
* Port is enabled. IOC is down/failed.
*/
static void
bfa_fcport_sm_iocdown(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event)
{
bfa_trc(fcport->bfa, event);
switch (event) {
case BFA_FCPORT_SM_START:
if (bfa_fcport_send_enable(fcport))
bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
else
bfa_sm_set_state(fcport,
bfa_fcport_sm_enabling_qwait);
break;
default:
/*
* Ignore all events.
*/
;
}
}
/*
* Port is disabled. IOC is down/failed.
*/
static void
bfa_fcport_sm_iocfail(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event)
{
bfa_trc(fcport->bfa, event);
switch (event) {
case BFA_FCPORT_SM_START:
bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
break;
case BFA_FCPORT_SM_ENABLE:
bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
break;
default:
/*
* Ignore all events.
*/
;
}
}
static void
bfa_fcport_sm_dport(struct bfa_fcport_s *fcport, enum bfa_fcport_sm_event event)
{
bfa_trc(fcport->bfa, event);
switch (event) {
case BFA_FCPORT_SM_DPORTENABLE:
case BFA_FCPORT_SM_DISABLE:
case BFA_FCPORT_SM_ENABLE:
case BFA_FCPORT_SM_START:
/*
* Ignore event for a port that is dport
*/
break;
case BFA_FCPORT_SM_STOP:
bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
break;
case BFA_FCPORT_SM_HWFAIL:
bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
break;
case BFA_FCPORT_SM_DPORTDISABLE:
bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
break;
default:
bfa_sm_fault(fcport->bfa, event);
}
}
static void
bfa_fcport_sm_ddport(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event)
{
bfa_trc(fcport->bfa, event);
switch (event) {
case BFA_FCPORT_SM_DISABLE:
case BFA_FCPORT_SM_DDPORTDISABLE:
bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
break;
case BFA_FCPORT_SM_DPORTENABLE:
case BFA_FCPORT_SM_DPORTDISABLE:
case BFA_FCPORT_SM_ENABLE:
case BFA_FCPORT_SM_START:
/**
* Ignore event for a port that is ddport
*/
break;
case BFA_FCPORT_SM_STOP:
bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
break;
case BFA_FCPORT_SM_HWFAIL:
bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
break;
default:
bfa_sm_fault(fcport->bfa, event);
}
}
static void
bfa_fcport_sm_faa_misconfig(struct bfa_fcport_s *fcport,
enum bfa_fcport_sm_event event)
{
bfa_trc(fcport->bfa, event);
switch (event) {
case BFA_FCPORT_SM_DPORTENABLE:
case BFA_FCPORT_SM_ENABLE:
case BFA_FCPORT_SM_START:
/*
* Ignore event for a port as there is FAA misconfig
*/
break;
case BFA_FCPORT_SM_DISABLE:
if (bfa_fcport_send_disable(fcport))
bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
else
bfa_sm_set_state(fcport, bfa_fcport_sm_disabling_qwait);
bfa_fcport_reset_linkinfo(fcport);
bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
break;
case BFA_FCPORT_SM_STOP:
bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
break;
case BFA_FCPORT_SM_HWFAIL:
bfa_fcport_reset_linkinfo(fcport);
bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
break;
default:
bfa_sm_fault(fcport->bfa, event);
}
}
/*
* Link state is down
*/
static void
bfa_fcport_ln_sm_dn(struct bfa_fcport_ln_s *ln,
enum bfa_fcport_ln_sm_event event)
{
bfa_trc(ln->fcport->bfa, event);
switch (event) {
case BFA_FCPORT_LN_SM_LINKUP:
bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_nf);
bfa_fcport_queue_cb(ln, BFA_PORT_LINKUP);
break;
default:
bfa_sm_fault(ln->fcport->bfa, event);
}
}
/*
* Link state is waiting for down notification
*/
static void
bfa_fcport_ln_sm_dn_nf(struct bfa_fcport_ln_s *ln,
enum bfa_fcport_ln_sm_event event)
{
bfa_trc(ln->fcport->bfa, event);
switch (event) {
case BFA_FCPORT_LN_SM_LINKUP: