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f3a060ca57
linux-next/drivers/scsi/bfa/bfa_svc.c
Krishna Gudipati f3a060ca57 [SCSI] bfa: Store port configuration in flash for persistency. 
When the bfa driver is loaded a flogi is sent without the knowledge of
trunking configuration. This normal flogi causes the switch ports
which had trunking enabled to go to persistent offline.  Solution is
to store the port configuration (which has trunking info) in the flash
for persistency. The firmware will read this configuration when the
very first fcport enable is received.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-21 12:37:12 -06:00

4983 lines
114 KiB
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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 "bfa_plog.h"
#include "bfa_cs.h"
#include "bfa_modules.h"
BFA_TRC_FILE(HAL, FCXP);
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 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, u32 *ndm_len,
u32 *dm_len);
static void bfa_lps_attach(struct bfa_s *bfa, void *bfad,
struct bfa_iocfc_cfg_s *cfg,
struct bfa_meminfo_s *meminfo,
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_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_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_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_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},
};
/*
* 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)) {
bfa_assert(0);
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_fcxp_req_rsp_mem(struct bfa_fcxp_mod_s *mod, struct bfa_meminfo_s *mi)
{
u8 *dm_kva = NULL;
u64 dm_pa;
u32 buf_pool_sz;
dm_kva = bfa_meminfo_dma_virt(mi);
dm_pa = bfa_meminfo_dma_phys(mi);
buf_pool_sz = mod->req_pld_sz * mod->num_fcxps;
/*
* Initialize the fcxp req payload list
*/
mod->req_pld_list_kva = dm_kva;
mod->req_pld_list_pa = dm_pa;
dm_kva += buf_pool_sz;
dm_pa += buf_pool_sz;
memset(mod->req_pld_list_kva, 0, buf_pool_sz);
/*
* Initialize the fcxp rsp payload list
*/
buf_pool_sz = mod->rsp_pld_sz * mod->num_fcxps;
mod->rsp_pld_list_kva = dm_kva;
mod->rsp_pld_list_pa = dm_pa;
dm_kva += buf_pool_sz;
dm_pa += buf_pool_sz;
memset(mod->rsp_pld_list_kva, 0, buf_pool_sz);
bfa_meminfo_dma_virt(mi) = dm_kva;
bfa_meminfo_dma_phys(mi) = dm_pa;
}
static void
claim_fcxps_mem(struct bfa_fcxp_mod_s *mod, struct bfa_meminfo_s *mi)
{
u16 i;
struct bfa_fcxp_s *fcxp;
fcxp = (struct bfa_fcxp_s *) bfa_meminfo_kva(mi);
memset(fcxp, 0, sizeof(struct bfa_fcxp_s) * mod->num_fcxps);
INIT_LIST_HEAD(&mod->fcxp_free_q);
INIT_LIST_HEAD(&mod->fcxp_active_q);
mod->fcxp_list = fcxp;
for (i = 0; i < mod->num_fcxps; i++) {
fcxp->fcxp_mod = mod;
fcxp->fcxp_tag = i;
list_add_tail(&fcxp->qe, &mod->fcxp_free_q);
bfa_reqq_winit(&fcxp->reqq_wqe, bfa_fcxp_qresume, fcxp);
fcxp->reqq_waiting = BFA_FALSE;
fcxp = fcxp + 1;
}
bfa_meminfo_kva(mi) = (void *)fcxp;
}
static void
bfa_fcxp_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len,
u32 *dm_len)
{
u16 num_fcxp_reqs = cfg->fwcfg.num_fcxp_reqs;
if (num_fcxp_reqs == 0)
return;
/*
* Account for req/rsp payload
*/
*dm_len += BFA_FCXP_MAX_IBUF_SZ * num_fcxp_reqs;
if (cfg->drvcfg.min_cfg)
*dm_len += BFA_FCXP_MAX_IBUF_SZ * num_fcxp_reqs;
else
*dm_len += BFA_FCXP_MAX_LBUF_SZ * num_fcxp_reqs;
/*
* Account for fcxp structs
*/
*ndm_len += sizeof(struct bfa_fcxp_s) * num_fcxp_reqs;
}
static void
bfa_fcxp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
{
struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
memset(mod, 0, sizeof(struct bfa_fcxp_mod_s));
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->wait_q);
claim_fcxp_req_rsp_mem(mod, meminfo);
claim_fcxps_mem(mod, meminfo);
}
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;
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)
{
struct bfa_fcxp_s *fcxp;
bfa_q_deq(&fm->fcxp_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)
{
bfa_assert(bfa != NULL);
bfa_trc(bfa, fcxp->fcxp_tag);
if (n_sgles == 0) {
*use_ibuf = 1;
} else {
bfa_assert(*sga_cbfn != NULL);
bfa_assert(*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)
bfa_assert(0);
}
}
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)
{
bfa_assert(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;
bfa_q_deq(&mod->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;
}
bfa_assert(bfa_q_is_on_q(&mod->fcxp_active_q, fcxp));
list_del(&fcxp->qe);
list_add_tail(&fcxp->qe, &mod->fcxp_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);
bfa_assert(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_set_local_sges(struct bfi_sge_s *sge, u32 reqlen, u64 req_pa)
{
union bfi_addr_u sga_zero = { {0} };
sge->sg_len = reqlen;
sge->flags = BFI_SGE_DATA_LAST;
bfa_dma_addr_set(sge[0].sga, req_pa);
bfa_sge_to_be(sge);
sge++;
sge->sga = sga_zero;
sge->sg_len = reqlen;
sge->flags = BFI_SGE_PGDLEN;
bfa_sge_to_be(sge);
}
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_lpuid(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_tag = 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) {
hal_fcxp_set_local_sges(send_req->req_sge, reqi->req_tot_len,
BFA_FCXP_REQ_PLD_PA(fcxp));
} else {
if (fcxp->nreq_sgles > 0) {
bfa_assert(fcxp->nreq_sgles == 1);
hal_fcxp_set_local_sges(send_req->req_sge,
reqi->req_tot_len,
fcxp->req_sga_cbfn(fcxp->caller,
0));
} else {
bfa_assert(reqi->req_tot_len == 0);
hal_fcxp_set_local_sges(send_req->rsp_sge, 0, 0);
}
}
/*
* setup rsp sgles
*/
if (fcxp->use_irspbuf == 1) {
bfa_assert(rspi->rsp_maxlen <= BFA_FCXP_MAX_LBUF_SZ);
hal_fcxp_set_local_sges(send_req->rsp_sge, rspi->rsp_maxlen,
BFA_FCXP_RSP_PLD_PA(fcxp));
} else {
if (fcxp->nrsp_sgles > 0) {
bfa_assert(fcxp->nrsp_sgles == 1);
hal_fcxp_set_local_sges(send_req->rsp_sge,
rspi->rsp_maxlen,
fcxp->rsp_sga_cbfn(fcxp->caller,
0));
} else {
bfa_assert(rspi->rsp_maxlen == 0);
hal_fcxp_set_local_sges(send_req->rsp_sge, 0, 0);
}
}
hal_fcxp_tx_plog(bfa, reqi->req_tot_len, fcxp, &reqi->fchs);
bfa_reqq_produce(bfa, BFA_REQQ_FCXP);
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).
*
* @return FCXP instance. NULL on failure.
*/
struct bfa_fcxp_s *
bfa_fcxp_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)
{
struct bfa_fcxp_s *fcxp = NULL;
bfa_assert(bfa != NULL);
fcxp = bfa_fcxp_get(BFA_FCXP_MOD(bfa));
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;
bfa_assert(fcxp->use_ireqbuf == 1);
reqbuf = ((u8 *)mod->req_pld_list_kva) +
fcxp->fcxp_tag * mod->req_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 *rspbuf;
bfa_assert(fcxp->use_irspbuf == 1);
rspbuf = ((u8 *)mod->rsp_pld_list_kva) +
fcxp->fcxp_tag * mod->rsp_pld_sz;
return rspbuf;
}
/*
* 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;
bfa_assert(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 Continous 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);
bfa_assert(0);
return BFA_STATUS_OK;
}
void
bfa_fcxp_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)
{
struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
bfa_assert(list_empty(&mod->fcxp_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;
list_add_tail(&wqe->qe, &mod->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);
bfa_assert(bfa_q_is_on_q(&mod->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);
bfa_assert(0);
}
}
u32
bfa_fcxp_get_maxrsp(struct bfa_s *bfa)
{
struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
return mod->rsp_pld_sz;
}
/*
* 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->lp_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;
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->lp_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");
} 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:
bfa_sm_set_state(lps, bfa_lps_sm_init);
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->lp_tag);
bfa_trc(lps->bfa, event);
switch (event) {
case BFA_LPS_SM_RESUME:
bfa_sm_set_state(lps, bfa_lps_sm_login);
break;
case BFA_LPS_SM_OFFLINE:
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->lp_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_OFFLINE:
case BFA_LPS_SM_DELETE:
bfa_sm_set_state(lps, bfa_lps_sm_init);
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->lp_tag);
bfa_trc(lps->bfa, event);
switch (event) {
case BFA_LPS_SM_FWRSP:
bfa_sm_set_state(lps, bfa_lps_sm_init);
bfa_lps_logout_comp(lps);
break;
case BFA_LPS_SM_OFFLINE:
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->lp_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:
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, u32 *ndm_len,
u32 *dm_len)
{
if (cfg->drvcfg.min_cfg)
*ndm_len += sizeof(struct bfa_lps_s) * BFA_LPS_MIN_LPORTS;
else
*ndm_len += 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_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
{
struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
struct bfa_lps_s *lps;
int i;
memset(mod, 0, sizeof(struct bfa_lps_mod_s));
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_meminfo_kva(meminfo);
bfa_meminfo_kva(meminfo) += mod->num_lps * sizeof(struct bfa_lps_s);
INIT_LIST_HEAD(&mod->lps_free_q);
INIT_LIST_HEAD(&mod->lps_active_q);
for (i = 0; i < mod->num_lps; i++, lps++) {
lps->bfa = bfa;
lps->lp_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);
}
}
/*
* 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;
bfa_assert(rsp->lp_tag < mod->num_lps);
lps = BFA_LPS_FROM_TAG(mod, rsp->lp_tag);
lps->status = rsp->status;
switch (rsp->status) {
case BFA_STATUS_OK:
lps->fport = rsp->f_port;
lps->npiv_en = rsp->npiv_en;
lps->lp_pid = rsp->lp_pid;
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;
default:
/* Nothing to do with other status */
break;
}
bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
}
/*
* 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;
bfa_assert(rsp->lp_tag < mod->num_lps);
lps = BFA_LPS_FROM_TAG(mod, rsp->lp_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->lp_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 bfi_lps_login_req_s *m;
m = bfa_reqq_next(lps->bfa, lps->reqq);
bfa_assert(m);
bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_LOGIN_REQ,
bfa_lpuid(lps->bfa));
m->lp_tag = lps->lp_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);
}
/*
* 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);
bfa_assert(m);
bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_LOGOUT_REQ,
bfa_lpuid(lps->bfa));
m->lp_tag = lps->lp_tag;
m->port_name = lps->pwwn;
bfa_reqq_produce(lps->bfa, lps->reqq);
}
/*
* 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);
}
/*
* 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);
}
/*
* 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->lp_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;
}
/*
* 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_H2I_LOGIN_RSP:
bfa_lps_login_rsp(bfa, msg.login_rsp);
break;
case BFI_LPS_H2I_LOGOUT_RSP:
bfa_lps_logout_rsp(bfa, msg.logout_rsp);
break;
case BFI_LPS_H2I_CVL_EVENT:
bfa_lps_rx_cvl_event(bfa, msg.cvl_event);
break;
default:
bfa_trc(bfa, m->mhdr.msg_id);
bfa_assert(0);
}
}
/*
* 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);
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;
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);
bfa_assert(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);
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;
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);
bfa_assert(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.vc_fcf.fcf.fipenabled);
bfa_trc(fcport->bfa,
pevent->link_state.vc_fcf.fcf.fipfailed);
if (pevent->link_state.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);
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);
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;
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_LOG(KERN_INFO, bfad, bfa_log_level,
"Base port disabled: WWN = %s\n", pwwn_buf);
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);
else
BFA_LOG(KERN_ERR, bfad, bfa_log_level,
"Base port (WWN = %s) "
"lost fabric connectivity\n", pwwn_buf);
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);
else
BFA_LOG(KERN_ERR, bfad, bfa_log_level,
"Base port (WWN = %s) "
"lost fabric connectivity\n", pwwn_buf);
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);
else
BFA_LOG(KERN_ERR, bfad, bfa_log_level,
"Base port (WWN = %s) "
"lost fabric connectivity\n", pwwn_buf);
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;
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);
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);
break;
case BFA_FCPORT_SM_DISABLE:
/*
* Already disabled.
*/
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_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.
*/
;
}
}
/*
* 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:
bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_up_nf);
break;
case BFA_FCPORT_LN_SM_NOTIFICATION:
bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn);
break;
default:
bfa_sm_fault(ln->fcport->bfa, event);
}
}
/*
* Link state is waiting for down notification and there is a pending up
*/
static void
bfa_fcport_ln_sm_dn_up_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_LINKDOWN:
bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf);
break;
case BFA_FCPORT_LN_SM_NOTIFICATION:
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 up
*/
static void
bfa_fcport_ln_sm_up(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_LINKDOWN:
bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf);
bfa_fcport_queue_cb(ln, BFA_PORT_LINKDOWN);
break;
default:
bfa_sm_fault(ln->fcport->bfa, event);
}
}
/*
* Link state is waiting for up notification
*/
static void
bfa_fcport_ln_sm_up_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_LINKDOWN:
bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_nf);
break;
case BFA_FCPORT_LN_SM_NOTIFICATION:
bfa_sm_set_state(ln, bfa_fcport_ln_sm_up);
break;
default:
bfa_sm_fault(ln->fcport->bfa, event);
}
}
/*
* Link state is waiting for up notification and there is a pending down
*/
static void
bfa_fcport_ln_sm_up_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:
bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_up_nf);
break;
case BFA_FCPORT_LN_SM_NOTIFICATION:
bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf);
bfa_fcport_queue_cb(ln, BFA_PORT_LINKDOWN);
break;
default:
bfa_sm_fault(ln->fcport->bfa, event);
}
}
/*
* Link state is waiting for up notification and there are pending down and up
*/
static void
bfa_fcport_ln_sm_up_dn_up_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_LINKDOWN:
bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_nf);
break;
case BFA_FCPORT_LN_SM_NOTIFICATION:
bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_up_nf);
bfa_fcport_queue_cb(ln, BFA_PORT_LINKDOWN);
break;
default:
bfa_sm_fault(ln->fcport->bfa, event);
}
}
static void
__bfa_cb_fcport_event(void *cbarg, bfa_boolean_t complete)
{
struct bfa_fcport_ln_s *ln = cbarg;
if (complete)
ln->fcport->event_cbfn(ln->fcport->event_cbarg, ln->ln_event);
else
bfa_sm_send_event(ln, BFA_FCPORT_LN_SM_NOTIFICATION);
}
/*
* Send SCN notification to upper layers.
* trunk - false if caller is fcport to ignore fcport event in trunked mode
*/
static void
bfa_fcport_scn(struct bfa_fcport_s *fcport, enum bfa_port_linkstate event,
bfa_boolean_t trunk)
{
if (fcport->cfg.trunked && !trunk)
return;
switch (event) {
case BFA_PORT_LINKUP:
bfa_sm_send_event(&fcport->ln, BFA_FCPORT_LN_SM_LINKUP);
break;
case BFA_PORT_LINKDOWN:
bfa_sm_send_event(&fcport->ln, BFA_FCPORT_LN_SM_LINKDOWN);
break;
default:
bfa_assert(0);
}
}
static void
bfa_fcport_queue_cb(struct bfa_fcport_ln_s *ln, enum bfa_port_linkstate event)
{
struct bfa_fcport_s *fcport = ln->fcport;
if (fcport->bfa->fcs) {
fcport->event_cbfn(fcport->event_cbarg, event);
bfa_sm_send_event(ln, BFA_FCPORT_LN_SM_NOTIFICATION);
} else {
ln->ln_event = event;
bfa_cb_queue(fcport->bfa, &ln->ln_qe,
__bfa_cb_fcport_event, ln);
}
}
#define FCPORT_STATS_DMA_SZ (BFA_ROUNDUP(sizeof(union bfa_fcport_stats_u), \
BFA_CACHELINE_SZ))
static void
bfa_fcport_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len,
u32 *dm_len)
{
*dm_len += FCPORT_STATS_DMA_SZ;
}
static void
bfa_fcport_qresume(void *cbarg)
{
struct bfa_fcport_s *fcport = cbarg;
bfa_sm_send_event(fcport, BFA_FCPORT_SM_QRESUME);
}
static void
bfa_fcport_mem_claim(struct bfa_fcport_s *fcport, struct bfa_meminfo_s *meminfo)
{
u8 *dm_kva;
u64 dm_pa;
dm_kva = bfa_meminfo_dma_virt(meminfo);
dm_pa = bfa_meminfo_dma_phys(meminfo);
fcport->stats_kva = dm_kva;
fcport->stats_pa = dm_pa;
fcport->stats = (union bfa_fcport_stats_u *) dm_kva;
dm_kva += FCPORT_STATS_DMA_SZ;
dm_pa += FCPORT_STATS_DMA_SZ;
bfa_meminfo_dma_virt(meminfo) = dm_kva;
bfa_meminfo_dma_phys(meminfo) = dm_pa;
}
/*
* Memory initialization.
*/
static void
bfa_fcport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
struct bfa_port_cfg_s *port_cfg = &fcport->cfg;
struct bfa_fcport_ln_s *ln = &fcport->ln;
struct timeval tv;
memset(fcport, 0, sizeof(struct bfa_fcport_s));
fcport->bfa = bfa;
ln->fcport = fcport;
bfa_fcport_mem_claim(fcport, meminfo);
bfa_sm_set_state(fcport, bfa_fcport_sm_uninit);
bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn);
/*
* initialize time stamp for stats reset
*/
do_gettimeofday(&tv);
fcport->stats_reset_time = tv.tv_sec;
/*
* initialize and set default configuration
*/
port_cfg->topology = BFA_PORT_TOPOLOGY_P2P;
port_cfg->speed = BFA_PORT_SPEED_AUTO;
port_cfg->trunked = BFA_FALSE;
port_cfg->maxfrsize = 0;
port_cfg->trl_def_speed = BFA_PORT_SPEED_1GBPS;
bfa_reqq_winit(&fcport->reqq_wait, bfa_fcport_qresume, fcport);
}
static void
bfa_fcport_detach(struct bfa_s *bfa)
{
}
/*
* Called when IOC is ready.
*/
static void
bfa_fcport_start(struct bfa_s *bfa)
{
bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_START);
}
/*
* Called before IOC is stopped.
*/
static void
bfa_fcport_stop(struct bfa_s *bfa)
{
bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_STOP);
bfa_trunk_iocdisable(bfa);
}
/*
* Called when IOC failure is detected.
*/
static void
bfa_fcport_iocdisable(struct bfa_s *bfa)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
bfa_sm_send_event(fcport, BFA_FCPORT_SM_HWFAIL);
bfa_trunk_iocdisable(bfa);
}
static void
bfa_fcport_update_linkinfo(struct bfa_fcport_s *fcport)
{
struct bfi_fcport_event_s *pevent = fcport->event_arg.i2hmsg.event;
struct bfa_fcport_trunk_s *trunk = &fcport->trunk;
fcport->speed = pevent->link_state.speed;
fcport->topology = pevent->link_state.topology;
if (fcport->topology == BFA_PORT_TOPOLOGY_LOOP)
fcport->myalpa = 0;
/* QoS Details */
fcport->qos_attr = pevent->link_state.qos_attr;
fcport->qos_vc_attr = pevent->link_state.vc_fcf.qos_vc_attr;
/*
* update trunk state if applicable
*/
if (!fcport->cfg.trunked)
trunk->attr.state = BFA_TRUNK_DISABLED;
/* update FCoE specific */
fcport->fcoe_vlan = be16_to_cpu(pevent->link_state.vc_fcf.fcf.vlan);
bfa_trc(fcport->bfa, fcport->speed);
bfa_trc(fcport->bfa, fcport->topology);
}
static void
bfa_fcport_reset_linkinfo(struct bfa_fcport_s *fcport)
{
fcport->speed = BFA_PORT_SPEED_UNKNOWN;
fcport->topology = BFA_PORT_TOPOLOGY_NONE;
}
/*
* Send port enable message to firmware.
*/
static bfa_boolean_t
bfa_fcport_send_enable(struct bfa_fcport_s *fcport)
{
struct bfi_fcport_enable_req_s *m;
/*
* Increment message tag before queue check, so that responses to old
* requests are discarded.
*/
fcport->msgtag++;
/*
* check for room in queue to send request now
*/
m = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
if (!m) {
bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
&fcport->reqq_wait);
return BFA_FALSE;
}
bfi_h2i_set(m->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_ENABLE_REQ,
bfa_lpuid(fcport->bfa));
m->nwwn = fcport->nwwn;
m->pwwn = fcport->pwwn;
m->port_cfg = fcport->cfg;
m->msgtag = fcport->msgtag;
m->port_cfg.maxfrsize = cpu_to_be16(fcport->cfg.maxfrsize);
m->use_flash_cfg = fcport->use_flash_cfg;
bfa_dma_be_addr_set(m->stats_dma_addr, fcport->stats_pa);
bfa_trc(fcport->bfa, m->stats_dma_addr.a32.addr_lo);
bfa_trc(fcport->bfa, m->stats_dma_addr.a32.addr_hi);
/*
* queue I/O message to firmware
*/
bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT);
return BFA_TRUE;
}
/*
* Send port disable message to firmware.
*/
static bfa_boolean_t
bfa_fcport_send_disable(struct bfa_fcport_s *fcport)
{
struct bfi_fcport_req_s *m;
/*
* Increment message tag before queue check, so that responses to old
* requests are discarded.
*/
fcport->msgtag++;
/*
* check for room in queue to send request now
*/
m = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
if (!m) {
bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
&fcport->reqq_wait);
return BFA_FALSE;
}
bfi_h2i_set(m->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_DISABLE_REQ,
bfa_lpuid(fcport->bfa));
m->msgtag = fcport->msgtag;
/*
* queue I/O message to firmware
*/
bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT);
return BFA_TRUE;
}
static void
bfa_fcport_set_wwns(struct bfa_fcport_s *fcport)
{
fcport->pwwn = fcport->bfa->ioc.attr->pwwn;
fcport->nwwn = fcport->bfa->ioc.attr->nwwn;
bfa_trc(fcport->bfa, fcport->pwwn);
bfa_trc(fcport->bfa, fcport->nwwn);
}
static void
bfa_fcport_send_txcredit(void *port_cbarg)
{
struct bfa_fcport_s *fcport = port_cbarg;
struct bfi_fcport_set_svc_params_req_s *m;
/*
* check for room in queue to send request now
*/
m = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
if (!m) {
bfa_trc(fcport->bfa, fcport->cfg.tx_bbcredit);
return;
}
bfi_h2i_set(m->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ,
bfa_lpuid(fcport->bfa));
m->tx_bbcredit = cpu_to_be16((u16)fcport->cfg.tx_bbcredit);
/*
* queue I/O message to firmware
*/
bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT);
}
static void
bfa_fcport_qos_stats_swap(struct bfa_qos_stats_s *d,
struct bfa_qos_stats_s *s)
{
u32 *dip = (u32 *) d;
__be32 *sip = (__be32 *) s;
int i;
/* Now swap the 32 bit fields */
for (i = 0; i < (sizeof(struct bfa_qos_stats_s)/sizeof(u32)); ++i)
dip[i] = be32_to_cpu(sip[i]);
}
static void
bfa_fcport_fcoe_stats_swap(struct bfa_fcoe_stats_s *d,
struct bfa_fcoe_stats_s *s)
{
u32 *dip = (u32 *) d;
__be32 *sip = (__be32 *) s;
int i;
for (i = 0; i < ((sizeof(struct bfa_fcoe_stats_s))/sizeof(u32));
i = i + 2) {
#ifdef __BIG_ENDIAN
dip[i] = be32_to_cpu(sip[i]);
dip[i + 1] = be32_to_cpu(sip[i + 1]);
#else
dip[i] = be32_to_cpu(sip[i + 1]);
dip[i + 1] = be32_to_cpu(sip[i]);
#endif
}
}
static void
__bfa_cb_fcport_stats_get(void *cbarg, bfa_boolean_t complete)
{
struct bfa_fcport_s *fcport = cbarg;
if (complete) {
if (fcport->stats_status == BFA_STATUS_OK) {
struct timeval tv;
/* Swap FC QoS or FCoE stats */
if (bfa_ioc_get_fcmode(&fcport->bfa->ioc)) {
bfa_fcport_qos_stats_swap(
&fcport->stats_ret->fcqos,
&fcport->stats->fcqos);
} else {
bfa_fcport_fcoe_stats_swap(
&fcport->stats_ret->fcoe,
&fcport->stats->fcoe);
do_gettimeofday(&tv);
fcport->stats_ret->fcoe.secs_reset =
tv.tv_sec - fcport->stats_reset_time;
}
}
fcport->stats_cbfn(fcport->stats_cbarg, fcport->stats_status);
} else {
fcport->stats_busy = BFA_FALSE;
fcport->stats_status = BFA_STATUS_OK;
}
}
static void
bfa_fcport_stats_get_timeout(void *cbarg)
{
struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
bfa_trc(fcport->bfa, fcport->stats_qfull);
if (fcport->stats_qfull) {
bfa_reqq_wcancel(&fcport->stats_reqq_wait);
fcport->stats_qfull = BFA_FALSE;
}
fcport->stats_status = BFA_STATUS_ETIMER;
bfa_cb_queue(fcport->bfa, &fcport->hcb_qe, __bfa_cb_fcport_stats_get,
fcport);
}
static void
bfa_fcport_send_stats_get(void *cbarg)
{
struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
struct bfi_fcport_req_s *msg;
msg = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
if (!msg) {
fcport->stats_qfull = BFA_TRUE;
bfa_reqq_winit(&fcport->stats_reqq_wait,
bfa_fcport_send_stats_get, fcport);
bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
&fcport->stats_reqq_wait);
return;
}
fcport->stats_qfull = BFA_FALSE;
memset(msg, 0, sizeof(struct bfi_fcport_req_s));
bfi_h2i_set(msg->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_STATS_GET_REQ,
bfa_lpuid(fcport->bfa));
bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT);
}
static void
__bfa_cb_fcport_stats_clr(void *cbarg, bfa_boolean_t complete)
{
struct bfa_fcport_s *fcport = cbarg;
if (complete) {
struct timeval tv;
/*
* re-initialize time stamp for stats reset
*/
do_gettimeofday(&tv);
fcport->stats_reset_time = tv.tv_sec;
fcport->stats_cbfn(fcport->stats_cbarg, fcport->stats_status);
} else {
fcport->stats_busy = BFA_FALSE;
fcport->stats_status = BFA_STATUS_OK;
}
}
static void
bfa_fcport_stats_clr_timeout(void *cbarg)
{
struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
bfa_trc(fcport->bfa, fcport->stats_qfull);
if (fcport->stats_qfull) {
bfa_reqq_wcancel(&fcport->stats_reqq_wait);
fcport->stats_qfull = BFA_FALSE;
}
fcport->stats_status = BFA_STATUS_ETIMER;
bfa_cb_queue(fcport->bfa, &fcport->hcb_qe,
__bfa_cb_fcport_stats_clr, fcport);
}
static void
bfa_fcport_send_stats_clear(void *cbarg)
{
struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
struct bfi_fcport_req_s *msg;
msg = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
if (!msg) {
fcport->stats_qfull = BFA_TRUE;
bfa_reqq_winit(&fcport->stats_reqq_wait,
bfa_fcport_send_stats_clear, fcport);
bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
&fcport->stats_reqq_wait);
return;
}
fcport->stats_qfull = BFA_FALSE;
memset(msg, 0, sizeof(struct bfi_fcport_req_s));
bfi_h2i_set(msg->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_STATS_CLEAR_REQ,
bfa_lpuid(fcport->bfa));
bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT);
}
/*
* Handle trunk SCN event from firmware.
*/
static void
bfa_trunk_scn(struct bfa_fcport_s *fcport, struct bfi_fcport_trunk_scn_s *scn)
{
struct bfa_fcport_trunk_s *trunk = &fcport->trunk;
struct bfi_fcport_trunk_link_s *tlink;
struct bfa_trunk_link_attr_s *lattr;
enum bfa_trunk_state state_prev;
int i;
int link_bm = 0;
bfa_trc(fcport->bfa, fcport->cfg.trunked);
bfa_assert(scn->trunk_state == BFA_TRUNK_ONLINE ||
scn->trunk_state == BFA_TRUNK_OFFLINE);
bfa_trc(fcport->bfa, trunk->attr.state);
bfa_trc(fcport->bfa, scn->trunk_state);
bfa_trc(fcport->bfa, scn->trunk_speed);
/*
* Save off new state for trunk attribute query
*/
state_prev = trunk->attr.state;
if (fcport->cfg.trunked && (trunk->attr.state != BFA_TRUNK_DISABLED))
trunk->attr.state = scn->trunk_state;
trunk->attr.speed = scn->trunk_speed;
for (i = 0; i < BFA_TRUNK_MAX_PORTS; i++) {
lattr = &trunk->attr.link_attr[i];
tlink = &scn->tlink[i];
lattr->link_state = tlink->state;
lattr->trunk_wwn = tlink->trunk_wwn;
lattr->fctl = tlink->fctl;
lattr->speed = tlink->speed;
lattr->deskew = be32_to_cpu(tlink->deskew);
if (tlink->state == BFA_TRUNK_LINK_STATE_UP) {
fcport->speed = tlink->speed;
fcport->topology = BFA_PORT_TOPOLOGY_P2P;
link_bm |= 1 << i;
}
bfa_trc(fcport->bfa, lattr->link_state);
bfa_trc(fcport->bfa, lattr->trunk_wwn);
bfa_trc(fcport->bfa, lattr->fctl);
bfa_trc(fcport->bfa, lattr->speed);
bfa_trc(fcport->bfa, lattr->deskew);
}
switch (link_bm) {
case 3:
bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_TRUNK_SCN, 0, "Trunk up(0,1)");
break;
case 2:
bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_TRUNK_SCN, 0, "Trunk up(-,1)");
break;
case 1:
bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_TRUNK_SCN, 0, "Trunk up(0,-)");
break;
default:
bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
BFA_PL_EID_TRUNK_SCN, 0, "Trunk down");
}
/*
* Notify upper layers if trunk state changed.
*/
if ((state_prev != trunk->attr.state) ||
(scn->trunk_state == BFA_TRUNK_OFFLINE)) {
bfa_fcport_scn(fcport, (scn->trunk_state == BFA_TRUNK_ONLINE) ?
BFA_PORT_LINKUP : BFA_PORT_LINKDOWN, BFA_TRUE);
}
}
static void
bfa_trunk_iocdisable(struct bfa_s *bfa)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
int i = 0;
/*
* In trunked mode, notify upper layers that link is down
*/
if (fcport->cfg.trunked) {
if (fcport->trunk.attr.state == BFA_TRUNK_ONLINE)
bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_TRUE);
fcport->trunk.attr.state = BFA_TRUNK_OFFLINE;
fcport->trunk.attr.speed = BFA_PORT_SPEED_UNKNOWN;
for (i = 0; i < BFA_TRUNK_MAX_PORTS; i++) {
fcport->trunk.attr.link_attr[i].trunk_wwn = 0;
fcport->trunk.attr.link_attr[i].fctl =
BFA_TRUNK_LINK_FCTL_NORMAL;
fcport->trunk.attr.link_attr[i].link_state =
BFA_TRUNK_LINK_STATE_DN_LINKDN;
fcport->trunk.attr.link_attr[i].speed =
BFA_PORT_SPEED_UNKNOWN;
fcport->trunk.attr.link_attr[i].deskew = 0;
}
}
}
/*
* Called to initialize port attributes
*/
void
bfa_fcport_init(struct bfa_s *bfa)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
/*
* Initialize port attributes from IOC hardware data.
*/
bfa_fcport_set_wwns(fcport);
if (fcport->cfg.maxfrsize == 0)
fcport->cfg.maxfrsize = bfa_ioc_maxfrsize(&bfa->ioc);
fcport->cfg.rx_bbcredit = bfa_ioc_rx_bbcredit(&bfa->ioc);
fcport->speed_sup = bfa_ioc_speed_sup(&bfa->ioc);
bfa_assert(fcport->cfg.maxfrsize);
bfa_assert(fcport->cfg.rx_bbcredit);
bfa_assert(fcport->speed_sup);
}
/*
* Firmware message handler.
*/
void
bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
union bfi_fcport_i2h_msg_u i2hmsg;
i2hmsg.msg = msg;
fcport->event_arg.i2hmsg = i2hmsg;
bfa_trc(bfa, msg->mhdr.msg_id);
bfa_trc(bfa, bfa_sm_to_state(hal_port_sm_table, fcport->sm));
switch (msg->mhdr.msg_id) {
case BFI_FCPORT_I2H_ENABLE_RSP:
if (fcport->msgtag == i2hmsg.penable_rsp->msgtag) {
if (fcport->use_flash_cfg) {
fcport->cfg = i2hmsg.penable_rsp->port_cfg;
fcport->cfg.maxfrsize =
cpu_to_be16(fcport->cfg.maxfrsize);
fcport->cfg.path_tov =
cpu_to_be16(fcport->cfg.path_tov);
fcport->cfg.q_depth =
cpu_to_be16(fcport->cfg.q_depth);
if (fcport->cfg.trunked)
fcport->trunk.attr.state =
BFA_TRUNK_OFFLINE;
else
fcport->trunk.attr.state =
BFA_TRUNK_DISABLED;
fcport->use_flash_cfg = BFA_FALSE;
}
bfa_sm_send_event(fcport, BFA_FCPORT_SM_FWRSP);
}
break;
case BFI_FCPORT_I2H_DISABLE_RSP:
if (fcport->msgtag == i2hmsg.penable_rsp->msgtag)
bfa_sm_send_event(fcport, BFA_FCPORT_SM_FWRSP);
break;
case BFI_FCPORT_I2H_EVENT:
if (i2hmsg.event->link_state.linkstate == BFA_PORT_LINKUP)
bfa_sm_send_event(fcport, BFA_FCPORT_SM_LINKUP);
else
bfa_sm_send_event(fcport, BFA_FCPORT_SM_LINKDOWN);
break;
case BFI_FCPORT_I2H_TRUNK_SCN:
bfa_trunk_scn(fcport, i2hmsg.trunk_scn);
break;
case BFI_FCPORT_I2H_STATS_GET_RSP:
/*
* check for timer pop before processing the rsp
*/
if (fcport->stats_busy == BFA_FALSE ||
fcport->stats_status == BFA_STATUS_ETIMER)
break;
bfa_timer_stop(&fcport->timer);
fcport->stats_status = i2hmsg.pstatsget_rsp->status;
bfa_cb_queue(fcport->bfa, &fcport->hcb_qe,
__bfa_cb_fcport_stats_get, fcport);
break;
case BFI_FCPORT_I2H_STATS_CLEAR_RSP:
/*
* check for timer pop before processing the rsp
*/
if (fcport->stats_busy == BFA_FALSE ||
fcport->stats_status == BFA_STATUS_ETIMER)
break;
bfa_timer_stop(&fcport->timer);
fcport->stats_status = BFA_STATUS_OK;
bfa_cb_queue(fcport->bfa, &fcport->hcb_qe,
__bfa_cb_fcport_stats_clr, fcport);
break;
case BFI_FCPORT_I2H_ENABLE_AEN:
bfa_sm_send_event(fcport, BFA_FCPORT_SM_ENABLE);
break;
case BFI_FCPORT_I2H_DISABLE_AEN:
bfa_sm_send_event(fcport, BFA_FCPORT_SM_DISABLE);
break;
default:
bfa_assert(0);
break;
}
}
/*
* Registered callback for port events.
*/
void
bfa_fcport_event_register(struct bfa_s *bfa,
void (*cbfn) (void *cbarg,
enum bfa_port_linkstate event),
void *cbarg)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
fcport->event_cbfn = cbfn;
fcport->event_cbarg = cbarg;
}
bfa_status_t
bfa_fcport_enable(struct bfa_s *bfa)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
if (bfa_ioc_is_disabled(&bfa->ioc))
return BFA_STATUS_IOC_DISABLED;
if (fcport->diag_busy)
return BFA_STATUS_DIAG_BUSY;
bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_ENABLE);
return BFA_STATUS_OK;
}
bfa_status_t
bfa_fcport_disable(struct bfa_s *bfa)
{
if (bfa_ioc_is_disabled(&bfa->ioc))
return BFA_STATUS_IOC_DISABLED;
bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_DISABLE);
return BFA_STATUS_OK;
}
/*
* Configure port speed.
*/
bfa_status_t
bfa_fcport_cfg_speed(struct bfa_s *bfa, enum bfa_port_speed speed)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
bfa_trc(bfa, speed);
if (fcport->cfg.trunked == BFA_TRUE)
return BFA_STATUS_TRUNK_ENABLED;
if ((speed != BFA_PORT_SPEED_AUTO) && (speed > fcport->speed_sup)) {
bfa_trc(bfa, fcport->speed_sup);
return BFA_STATUS_UNSUPP_SPEED;
}
fcport->cfg.speed = speed;
return BFA_STATUS_OK;
}
/*
* Get current speed.
*/
enum bfa_port_speed
bfa_fcport_get_speed(struct bfa_s *bfa)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
return fcport->speed;
}
/*
* Configure port topology.
*/
bfa_status_t
bfa_fcport_cfg_topology(struct bfa_s *bfa, enum bfa_port_topology topology)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
bfa_trc(bfa, topology);
bfa_trc(bfa, fcport->cfg.topology);
switch (topology) {
case BFA_PORT_TOPOLOGY_P2P:
case BFA_PORT_TOPOLOGY_LOOP:
case BFA_PORT_TOPOLOGY_AUTO:
break;
default:
return BFA_STATUS_EINVAL;
}
fcport->cfg.topology = topology;
return BFA_STATUS_OK;
}
/*
* Get current topology.
*/
enum bfa_port_topology
bfa_fcport_get_topology(struct bfa_s *bfa)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
return fcport->topology;
}
bfa_status_t
bfa_fcport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
bfa_trc(bfa, alpa);
bfa_trc(bfa, fcport->cfg.cfg_hardalpa);
bfa_trc(bfa, fcport->cfg.hardalpa);
fcport->cfg.cfg_hardalpa = BFA_TRUE;
fcport->cfg.hardalpa = alpa;
return BFA_STATUS_OK;
}
bfa_status_t
bfa_fcport_clr_hardalpa(struct bfa_s *bfa)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
bfa_trc(bfa, fcport->cfg.cfg_hardalpa);
bfa_trc(bfa, fcport->cfg.hardalpa);
fcport->cfg.cfg_hardalpa = BFA_FALSE;
return BFA_STATUS_OK;
}
bfa_boolean_t
bfa_fcport_get_hardalpa(struct bfa_s *bfa, u8 *alpa)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
*alpa = fcport->cfg.hardalpa;
return fcport->cfg.cfg_hardalpa;
}
u8
bfa_fcport_get_myalpa(struct bfa_s *bfa)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
return fcport->myalpa;
}
bfa_status_t
bfa_fcport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxfrsize)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
bfa_trc(bfa, maxfrsize);
bfa_trc(bfa, fcport->cfg.maxfrsize);
/* with in range */
if ((maxfrsize > FC_MAX_PDUSZ) || (maxfrsize < FC_MIN_PDUSZ))
return BFA_STATUS_INVLD_DFSZ;
/* power of 2, if not the max frame size of 2112 */
if ((maxfrsize != FC_MAX_PDUSZ) && (maxfrsize & (maxfrsize - 1)))
return BFA_STATUS_INVLD_DFSZ;
fcport->cfg.maxfrsize = maxfrsize;
return BFA_STATUS_OK;
}
u16
bfa_fcport_get_maxfrsize(struct bfa_s *bfa)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
return fcport->cfg.maxfrsize;
}
u8
bfa_fcport_get_rx_bbcredit(struct bfa_s *bfa)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
return fcport->cfg.rx_bbcredit;
}
void
bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
fcport->cfg.tx_bbcredit = (u8)tx_bbcredit;
bfa_fcport_send_txcredit(fcport);
}
/*
* Get port attributes.
*/
wwn_t
bfa_fcport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
if (node)
return fcport->nwwn;
else
return fcport->pwwn;
}
void
bfa_fcport_get_attr(struct bfa_s *bfa, struct bfa_port_attr_s *attr)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
memset(attr, 0, sizeof(struct bfa_port_attr_s));
attr->nwwn = fcport->nwwn;
attr->pwwn = fcport->pwwn;
attr->factorypwwn = bfa->ioc.attr->mfg_pwwn;
attr->factorynwwn = bfa->ioc.attr->mfg_nwwn;
memcpy(&attr->pport_cfg, &fcport->cfg,
sizeof(struct bfa_port_cfg_s));
/* speed attributes */
attr->pport_cfg.speed = fcport->cfg.speed;
attr->speed_supported = fcport->speed_sup;
attr->speed = fcport->speed;
attr->cos_supported = FC_CLASS_3;
/* topology attributes */
attr->pport_cfg.topology = fcport->cfg.topology;
attr->topology = fcport->topology;
attr->pport_cfg.trunked = fcport->cfg.trunked;
/* beacon attributes */
attr->beacon = fcport->beacon;
attr->link_e2e_beacon = fcport->link_e2e_beacon;
attr->plog_enabled = (bfa_boolean_t)fcport->bfa->plog->plog_enabled;
attr->io_profile = bfa_fcpim_get_io_profile(fcport->bfa);
attr->pport_cfg.path_tov = bfa_fcpim_path_tov_get(bfa);
attr->pport_cfg.q_depth = bfa_fcpim_qdepth_get(bfa);
attr->port_state = bfa_sm_to_state(hal_port_sm_table, fcport->sm);
if (bfa_ioc_is_disabled(&fcport->bfa->ioc))
attr->port_state = BFA_PORT_ST_IOCDIS;
else if (bfa_ioc_fw_mismatch(&fcport->bfa->ioc))
attr->port_state = BFA_PORT_ST_FWMISMATCH;
/* FCoE vlan */
attr->fcoe_vlan = fcport->fcoe_vlan;
}
#define BFA_FCPORT_STATS_TOV 1000
/*
* Fetch port statistics (FCQoS or FCoE).
*/
bfa_status_t
bfa_fcport_get_stats(struct bfa_s *bfa, union bfa_fcport_stats_u *stats,
bfa_cb_port_t cbfn, void *cbarg)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
if (fcport->stats_busy) {
bfa_trc(bfa, fcport->stats_busy);
return BFA_STATUS_DEVBUSY;
}
fcport->stats_busy = BFA_TRUE;
fcport->stats_ret = stats;
fcport->stats_cbfn = cbfn;
fcport->stats_cbarg = cbarg;
bfa_fcport_send_stats_get(fcport);
bfa_timer_start(bfa, &fcport->timer, bfa_fcport_stats_get_timeout,
fcport, BFA_FCPORT_STATS_TOV);
return BFA_STATUS_OK;
}
/*
* Reset port statistics (FCQoS or FCoE).
*/
bfa_status_t
bfa_fcport_clear_stats(struct bfa_s *bfa, bfa_cb_port_t cbfn, void *cbarg)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
if (fcport->stats_busy) {
bfa_trc(bfa, fcport->stats_busy);
return BFA_STATUS_DEVBUSY;
}
fcport->stats_busy = BFA_TRUE;
fcport->stats_cbfn = cbfn;
fcport->stats_cbarg = cbarg;
bfa_fcport_send_stats_clear(fcport);
bfa_timer_start(bfa, &fcport->timer, bfa_fcport_stats_clr_timeout,
fcport, BFA_FCPORT_STATS_TOV);
return BFA_STATUS_OK;
}
/*
* Fetch port attributes.
*/
bfa_boolean_t
bfa_fcport_is_disabled(struct bfa_s *bfa)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
return bfa_sm_to_state(hal_port_sm_table, fcport->sm) ==
BFA_PORT_ST_DISABLED;
}
bfa_boolean_t
bfa_fcport_is_ratelim(struct bfa_s *bfa)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
return fcport->cfg.ratelimit ? BFA_TRUE : BFA_FALSE;
}
/*
* Get default minimum ratelim speed
*/
enum bfa_port_speed
bfa_fcport_get_ratelim_speed(struct bfa_s *bfa)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
bfa_trc(bfa, fcport->cfg.trl_def_speed);
return fcport->cfg.trl_def_speed;
}
bfa_boolean_t
bfa_fcport_is_linkup(struct bfa_s *bfa)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
return (!fcport->cfg.trunked &&
bfa_sm_cmp_state(fcport, bfa_fcport_sm_linkup)) ||
(fcport->cfg.trunked &&
fcport->trunk.attr.state == BFA_TRUNK_ONLINE);
}
bfa_boolean_t
bfa_fcport_is_qos_enabled(struct bfa_s *bfa)
{
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
return fcport->cfg.qos_enabled;
}
/*
* Rport State machine functions
*/
/*
* Beginning state, only online event expected.
*/
static void
bfa_rport_sm_uninit(struct bfa_rport_s *rp, enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_CREATE:
bfa_stats(rp, sm_un_cr);
bfa_sm_set_state(rp, bfa_rport_sm_created);
break;
default:
bfa_stats(rp, sm_un_unexp);
bfa_sm_fault(rp->bfa, event);
}
}
static void
bfa_rport_sm_created(struct bfa_rport_s *rp, enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_ONLINE:
bfa_stats(rp, sm_cr_on);
if (bfa_rport_send_fwcreate(rp))
bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
else
bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull);
break;
case BFA_RPORT_SM_DELETE:
bfa_stats(rp, sm_cr_del);
bfa_sm_set_state(rp, bfa_rport_sm_uninit);
bfa_rport_free(rp);
break;
case BFA_RPORT_SM_HWFAIL:
bfa_stats(rp, sm_cr_hwf);
bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
break;
default:
bfa_stats(rp, sm_cr_unexp);
bfa_sm_fault(rp->bfa, event);
}
}
/*
* Waiting for rport create response from firmware.
*/
static void
bfa_rport_sm_fwcreate(struct bfa_rport_s *rp, enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_FWRSP:
bfa_stats(rp, sm_fwc_rsp);
bfa_sm_set_state(rp, bfa_rport_sm_online);
bfa_rport_online_cb(rp);
break;
case BFA_RPORT_SM_DELETE:
bfa_stats(rp, sm_fwc_del);
bfa_sm_set_state(rp, bfa_rport_sm_delete_pending);
break;
case BFA_RPORT_SM_OFFLINE:
bfa_stats(rp, sm_fwc_off);
bfa_sm_set_state(rp, bfa_rport_sm_offline_pending);
break;
case BFA_RPORT_SM_HWFAIL:
bfa_stats(rp, sm_fwc_hwf);
bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
break;
default:
bfa_stats(rp, sm_fwc_unexp);
bfa_sm_fault(rp->bfa, event);
}
}
/*
* Request queue is full, awaiting queue resume to send create request.
*/
static void
bfa_rport_sm_fwcreate_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_QRESUME:
bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
bfa_rport_send_fwcreate(rp);
break;
case BFA_RPORT_SM_DELETE:
bfa_stats(rp, sm_fwc_del);
bfa_sm_set_state(rp, bfa_rport_sm_uninit);
bfa_reqq_wcancel(&rp->reqq_wait);
bfa_rport_free(rp);
break;
case BFA_RPORT_SM_OFFLINE:
bfa_stats(rp, sm_fwc_off);
bfa_sm_set_state(rp, bfa_rport_sm_offline);
bfa_reqq_wcancel(&rp->reqq_wait);
bfa_rport_offline_cb(rp);
break;
case BFA_RPORT_SM_HWFAIL:
bfa_stats(rp, sm_fwc_hwf);
bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
bfa_reqq_wcancel(&rp->reqq_wait);
break;
default:
bfa_stats(rp, sm_fwc_unexp);
bfa_sm_fault(rp->bfa, event);
}
}
/*
* Online state - normal parking state.
*/
static void
bfa_rport_sm_online(struct bfa_rport_s *rp, enum bfa_rport_event event)
{
struct bfi_rport_qos_scn_s *qos_scn;
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_OFFLINE:
bfa_stats(rp, sm_on_off);
if (bfa_rport_send_fwdelete(rp))
bfa_sm_set_state(rp, bfa_rport_sm_fwdelete);
else
bfa_sm_set_state(rp, bfa_rport_sm_fwdelete_qfull);
break;
case BFA_RPORT_SM_DELETE:
bfa_stats(rp, sm_on_del);
if (bfa_rport_send_fwdelete(rp))
bfa_sm_set_state(rp, bfa_rport_sm_deleting);
else
bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull);
break;
case BFA_RPORT_SM_HWFAIL:
bfa_stats(rp, sm_on_hwf);
bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
break;
case BFA_RPORT_SM_SET_SPEED:
bfa_rport_send_fwspeed(rp);
break;
case BFA_RPORT_SM_QOS_SCN:
qos_scn = (struct bfi_rport_qos_scn_s *) rp->event_arg.fw_msg;
rp->qos_attr = qos_scn->new_qos_attr;
bfa_trc(rp->bfa, qos_scn->old_qos_attr.qos_flow_id);
bfa_trc(rp->bfa, qos_scn->new_qos_attr.qos_flow_id);
bfa_trc(rp->bfa, qos_scn->old_qos_attr.qos_priority);
bfa_trc(rp->bfa, qos_scn->new_qos_attr.qos_priority);
qos_scn->old_qos_attr.qos_flow_id =
be32_to_cpu(qos_scn->old_qos_attr.qos_flow_id);
qos_scn->new_qos_attr.qos_flow_id =
be32_to_cpu(qos_scn->new_qos_attr.qos_flow_id);
if (qos_scn->old_qos_attr.qos_flow_id !=
qos_scn->new_qos_attr.qos_flow_id)
bfa_cb_rport_qos_scn_flowid(rp->rport_drv,
qos_scn->old_qos_attr,
qos_scn->new_qos_attr);
if (qos_scn->old_qos_attr.qos_priority !=
qos_scn->new_qos_attr.qos_priority)
bfa_cb_rport_qos_scn_prio(rp->rport_drv,
qos_scn->old_qos_attr,
qos_scn->new_qos_attr);
break;
default:
bfa_stats(rp, sm_on_unexp);
bfa_sm_fault(rp->bfa, event);
}
}
/*
* Firmware rport is being deleted - awaiting f/w response.
*/
static void
bfa_rport_sm_fwdelete(struct bfa_rport_s *rp, enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_FWRSP:
bfa_stats(rp, sm_fwd_rsp);
bfa_sm_set_state(rp, bfa_rport_sm_offline);
bfa_rport_offline_cb(rp);
break;
case BFA_RPORT_SM_DELETE:
bfa_stats(rp, sm_fwd_del);
bfa_sm_set_state(rp, bfa_rport_sm_deleting);
break;
case BFA_RPORT_SM_HWFAIL:
bfa_stats(rp, sm_fwd_hwf);
bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
bfa_rport_offline_cb(rp);
break;
default:
bfa_stats(rp, sm_fwd_unexp);
bfa_sm_fault(rp->bfa, event);
}
}
static void
bfa_rport_sm_fwdelete_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_QRESUME:
bfa_sm_set_state(rp, bfa_rport_sm_fwdelete);
bfa_rport_send_fwdelete(rp);
break;
case BFA_RPORT_SM_DELETE:
bfa_stats(rp, sm_fwd_del);
bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull);
break;
case BFA_RPORT_SM_HWFAIL:
bfa_stats(rp, sm_fwd_hwf);
bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
bfa_reqq_wcancel(&rp->reqq_wait);
bfa_rport_offline_cb(rp);
break;
default:
bfa_stats(rp, sm_fwd_unexp);
bfa_sm_fault(rp->bfa, event);
}
}
/*
* Offline state.
*/
static void
bfa_rport_sm_offline(struct bfa_rport_s *rp, enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_DELETE:
bfa_stats(rp, sm_off_del);
bfa_sm_set_state(rp, bfa_rport_sm_uninit);
bfa_rport_free(rp);
break;
case BFA_RPORT_SM_ONLINE:
bfa_stats(rp, sm_off_on);
if (bfa_rport_send_fwcreate(rp))
bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
else
bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull);
break;
case BFA_RPORT_SM_HWFAIL:
bfa_stats(rp, sm_off_hwf);
bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
break;
default:
bfa_stats(rp, sm_off_unexp);
bfa_sm_fault(rp->bfa, event);
}
}
/*
* Rport is deleted, waiting for firmware response to delete.
*/
static void
bfa_rport_sm_deleting(struct bfa_rport_s *rp, enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_FWRSP:
bfa_stats(rp, sm_del_fwrsp);
bfa_sm_set_state(rp, bfa_rport_sm_uninit);
bfa_rport_free(rp);
break;
case BFA_RPORT_SM_HWFAIL:
bfa_stats(rp, sm_del_hwf);
bfa_sm_set_state(rp, bfa_rport_sm_uninit);
bfa_rport_free(rp);
break;
default:
bfa_sm_fault(rp->bfa, event);
}
}
static void
bfa_rport_sm_deleting_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_QRESUME:
bfa_stats(rp, sm_del_fwrsp);
bfa_sm_set_state(rp, bfa_rport_sm_deleting);
bfa_rport_send_fwdelete(rp);
break;
case BFA_RPORT_SM_HWFAIL:
bfa_stats(rp, sm_del_hwf);
bfa_sm_set_state(rp, bfa_rport_sm_uninit);
bfa_reqq_wcancel(&rp->reqq_wait);
bfa_rport_free(rp);
break;
default:
bfa_sm_fault(rp->bfa, event);
}
}
/*
* Waiting for rport create response from firmware. A delete is pending.
*/
static void
bfa_rport_sm_delete_pending(struct bfa_rport_s *rp,
enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_FWRSP:
bfa_stats(rp, sm_delp_fwrsp);
if (bfa_rport_send_fwdelete(rp))
bfa_sm_set_state(rp, bfa_rport_sm_deleting);
else
bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull);
break;
case BFA_RPORT_SM_HWFAIL:
bfa_stats(rp, sm_delp_hwf);
bfa_sm_set_state(rp, bfa_rport_sm_uninit);
bfa_rport_free(rp);
break;
default:
bfa_stats(rp, sm_delp_unexp);
bfa_sm_fault(rp->bfa, event);
}
}
/*
* Waiting for rport create response from firmware. Rport offline is pending.
*/
static void
bfa_rport_sm_offline_pending(struct bfa_rport_s *rp,
enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_FWRSP:
bfa_stats(rp, sm_offp_fwrsp);
if (bfa_rport_send_fwdelete(rp))
bfa_sm_set_state(rp, bfa_rport_sm_fwdelete);
else
bfa_sm_set_state(rp, bfa_rport_sm_fwdelete_qfull);
break;
case BFA_RPORT_SM_DELETE:
bfa_stats(rp, sm_offp_del);
bfa_sm_set_state(rp, bfa_rport_sm_delete_pending);
break;
case BFA_RPORT_SM_HWFAIL:
bfa_stats(rp, sm_offp_hwf);
bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
break;
default:
bfa_stats(rp, sm_offp_unexp);
bfa_sm_fault(rp->bfa, event);
}
}
/*
* IOC h/w failed.
*/
static void
bfa_rport_sm_iocdisable(struct bfa_rport_s *rp, enum bfa_rport_event event)
{
bfa_trc(rp->bfa, rp->rport_tag);
bfa_trc(rp->bfa, event);
switch (event) {
case BFA_RPORT_SM_OFFLINE:
bfa_stats(rp, sm_iocd_off);
bfa_rport_offline_cb(rp);
break;
case BFA_RPORT_SM_DELETE:
bfa_stats(rp, sm_iocd_del);
bfa_sm_set_state(rp, bfa_rport_sm_uninit);
bfa_rport_free(rp);
break;
case BFA_RPORT_SM_ONLINE:
bfa_stats(rp, sm_iocd_on);
if (bfa_rport_send_fwcreate(rp))
bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
else
bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull);
break;
case BFA_RPORT_SM_HWFAIL:
break;
default:
bfa_stats(rp, sm_iocd_unexp);
bfa_sm_fault(rp->bfa, event);
}
}
/*
* bfa_rport_private BFA rport private functions
*/
static void
__bfa_cb_rport_online(void *cbarg, bfa_boolean_t complete)
{
struct bfa_rport_s *rp = cbarg;
if (complete)
bfa_cb_rport_online(rp->rport_drv);
}
static void
__bfa_cb_rport_offline(void *cbarg, bfa_boolean_t complete)
{
struct bfa_rport_s *rp = cbarg;
if (complete)
bfa_cb_rport_offline(rp->rport_drv);
}
static void
bfa_rport_qresume(void *cbarg)
{
struct bfa_rport_s *rp = cbarg;
bfa_sm_send_event(rp, BFA_RPORT_SM_QRESUME);
}
static void
bfa_rport_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len,
u32 *dm_len)
{
if (cfg->fwcfg.num_rports < BFA_RPORT_MIN)
cfg->fwcfg.num_rports = BFA_RPORT_MIN;
*km_len += cfg->fwcfg.num_rports * sizeof(struct bfa_rport_s);
}
static void
bfa_rport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
{
struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa);
struct bfa_rport_s *rp;
u16 i;
INIT_LIST_HEAD(&mod->rp_free_q);
INIT_LIST_HEAD(&mod->rp_active_q);
rp = (struct bfa_rport_s *) bfa_meminfo_kva(meminfo);
mod->rps_list = rp;
mod->num_rports = cfg->fwcfg.num_rports;
bfa_assert(mod->num_rports &&
!(mod->num_rports & (mod->num_rports - 1)));
for (i = 0; i < mod->num_rports; i++, rp++) {
memset(rp, 0, sizeof(struct bfa_rport_s));
rp->bfa = bfa;
rp->rport_tag = i;
bfa_sm_set_state(rp, bfa_rport_sm_uninit);
/*
* - is unused
*/
if (i)
list_add_tail(&rp->qe, &mod->rp_free_q);
bfa_reqq_winit(&rp->reqq_wait, bfa_rport_qresume, rp);
}
/*
* consume memory
*/
bfa_meminfo_kva(meminfo) = (u8 *) rp;
}
static void
bfa_rport_detach(struct bfa_s *bfa)
{
}
static void
bfa_rport_start(struct bfa_s *bfa)
{
}
static void
bfa_rport_stop(struct bfa_s *bfa)
{
}
static void
bfa_rport_iocdisable(struct bfa_s *bfa)
{
struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa);
struct bfa_rport_s *rport;
struct list_head *qe, *qen;
list_for_each_safe(qe, qen, &mod->rp_active_q) {
rport = (struct bfa_rport_s *) qe;
bfa_sm_send_event(rport, BFA_RPORT_SM_HWFAIL);
}
}
static struct bfa_rport_s *
bfa_rport_alloc(struct bfa_rport_mod_s *mod)
{
struct bfa_rport_s *rport;
bfa_q_deq(&mod->rp_free_q, &rport);
if (rport)
list_add_tail(&rport->qe, &mod->rp_active_q);
return rport;
}
static void
bfa_rport_free(struct bfa_rport_s *rport)
{
struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(rport->bfa);
bfa_assert(bfa_q_is_on_q(&mod->rp_active_q, rport));
list_del(&rport->qe);
list_add_tail(&rport->qe, &mod->rp_free_q);
}
static bfa_boolean_t
bfa_rport_send_fwcreate(struct bfa_rport_s *rp)
{
struct bfi_rport_create_req_s *m;
/*
* check for room in queue to send request now
*/
m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT);
if (!m) {
bfa_reqq_wait(rp->bfa, BFA_REQQ_RPORT, &rp->reqq_wait);
return BFA_FALSE;
}
bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_CREATE_REQ,
bfa_lpuid(rp->bfa));
m->bfa_handle = rp->rport_tag;
m->max_frmsz = cpu_to_be16(rp->rport_info.max_frmsz);
m->pid = rp->rport_info.pid;
m->lp_tag = rp->rport_info.lp_tag;
m->local_pid = rp->rport_info.local_pid;
m->fc_class = rp->rport_info.fc_class;
m->vf_en = rp->rport_info.vf_en;
m->vf_id = rp->rport_info.vf_id;
m->cisc = rp->rport_info.cisc;
/*
* queue I/O message to firmware
*/
bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT);
return BFA_TRUE;
}
static bfa_boolean_t
bfa_rport_send_fwdelete(struct bfa_rport_s *rp)
{
struct bfi_rport_delete_req_s *m;
/*
* check for room in queue to send request now
*/
m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT);
if (!m) {
bfa_reqq_wait(rp->bfa, BFA_REQQ_RPORT, &rp->reqq_wait);
return BFA_FALSE;
}
bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_DELETE_REQ,
bfa_lpuid(rp->bfa));
m->fw_handle = rp->fw_handle;
/*
* queue I/O message to firmware
*/
bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT);
return BFA_TRUE;
}
static bfa_boolean_t
bfa_rport_send_fwspeed(struct bfa_rport_s *rp)
{
struct bfa_rport_speed_req_s *m;
/*
* check for room in queue to send request now
*/
m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT);
if (!m) {
bfa_trc(rp->bfa, rp->rport_info.speed);
return BFA_FALSE;
}
bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_SET_SPEED_REQ,
bfa_lpuid(rp->bfa));
m->fw_handle = rp->fw_handle;
m->speed = (u8)rp->rport_info.speed;
/*
* queue I/O message to firmware
*/
bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT);
return BFA_TRUE;
}
/*
* bfa_rport_public
*/
/*
* Rport interrupt processing.
*/
void
bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
{
union bfi_rport_i2h_msg_u msg;
struct bfa_rport_s *rp;
bfa_trc(bfa, m->mhdr.msg_id);
msg.msg = m;
switch (m->mhdr.msg_id) {
case BFI_RPORT_I2H_CREATE_RSP:
rp = BFA_RPORT_FROM_TAG(bfa, msg.create_rsp->bfa_handle);
rp->fw_handle = msg.create_rsp->fw_handle;
rp->qos_attr = msg.create_rsp->qos_attr;
bfa_assert(msg.create_rsp->status == BFA_STATUS_OK);
bfa_sm_send_event(rp, BFA_RPORT_SM_FWRSP);
break;
case BFI_RPORT_I2H_DELETE_RSP:
rp = BFA_RPORT_FROM_TAG(bfa, msg.delete_rsp->bfa_handle);
bfa_assert(msg.delete_rsp->status == BFA_STATUS_OK);
bfa_sm_send_event(rp, BFA_RPORT_SM_FWRSP);
break;
case BFI_RPORT_I2H_QOS_SCN:
rp = BFA_RPORT_FROM_TAG(bfa, msg.qos_scn_evt->bfa_handle);
rp->event_arg.fw_msg = msg.qos_scn_evt;
bfa_sm_send_event(rp, BFA_RPORT_SM_QOS_SCN);
break;
default:
bfa_trc(bfa, m->mhdr.msg_id);
bfa_assert(0);
}
}
/*
* bfa_rport_api
*/
struct bfa_rport_s *
bfa_rport_create(struct bfa_s *bfa, void *rport_drv)
{
struct bfa_rport_s *rp;
rp = bfa_rport_alloc(BFA_RPORT_MOD(bfa));
if (rp == NULL)
return NULL;
rp->bfa = bfa;
rp->rport_drv = rport_drv;
memset(&rp->stats, 0, sizeof(rp->stats));
bfa_assert(bfa_sm_cmp_state(rp, bfa_rport_sm_uninit));
bfa_sm_send_event(rp, BFA_RPORT_SM_CREATE);
return rp;
}
void
bfa_rport_online(struct bfa_rport_s *rport, struct bfa_rport_info_s *rport_info)
{
bfa_assert(rport_info->max_frmsz != 0);
/*
* Some JBODs are seen to be not setting PDU size correctly in PLOGI
* responses. Default to minimum size.
*/
if (rport_info->max_frmsz == 0) {
bfa_trc(rport->bfa, rport->rport_tag);
rport_info->max_frmsz = FC_MIN_PDUSZ;
}
rport->rport_info = *rport_info;
bfa_sm_send_event(rport, BFA_RPORT_SM_ONLINE);
}
void
bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_port_speed speed)
{
bfa_assert(speed != 0);
bfa_assert(speed != BFA_PORT_SPEED_AUTO);
rport->rport_info.speed = speed;
bfa_sm_send_event(rport, BFA_RPORT_SM_SET_SPEED);
}
/*
* SGPG related functions
*/
/*
* Compute and return memory needed by FCP(im) module.
*/
static void
bfa_sgpg_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len,
u32 *dm_len)
{
if (cfg->drvcfg.num_sgpgs < BFA_SGPG_MIN)
cfg->drvcfg.num_sgpgs = BFA_SGPG_MIN;
*km_len += (cfg->drvcfg.num_sgpgs + 1) * sizeof(struct bfa_sgpg_s);
*dm_len += (cfg->drvcfg.num_sgpgs + 1) * sizeof(struct bfi_sgpg_s);
}
static void
bfa_sgpg_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_meminfo_s *minfo, struct bfa_pcidev_s *pcidev)
{
struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
int i;
struct bfa_sgpg_s *hsgpg;
struct bfi_sgpg_s *sgpg;
u64 align_len;
union {
u64 pa;
union bfi_addr_u addr;
} sgpg_pa, sgpg_pa_tmp;
INIT_LIST_HEAD(&mod->sgpg_q);
INIT_LIST_HEAD(&mod->sgpg_wait_q);
bfa_trc(bfa, cfg->drvcfg.num_sgpgs);
mod->num_sgpgs = cfg->drvcfg.num_sgpgs;
mod->sgpg_arr_pa = bfa_meminfo_dma_phys(minfo);
align_len = (BFA_SGPG_ROUNDUP(mod->sgpg_arr_pa) - mod->sgpg_arr_pa);
mod->sgpg_arr_pa += align_len;
mod->hsgpg_arr = (struct bfa_sgpg_s *) (bfa_meminfo_kva(minfo) +
align_len);
mod->sgpg_arr = (struct bfi_sgpg_s *) (bfa_meminfo_dma_virt(minfo) +
align_len);
hsgpg = mod->hsgpg_arr;
sgpg = mod->sgpg_arr;
sgpg_pa.pa = mod->sgpg_arr_pa;
mod->free_sgpgs = mod->num_sgpgs;
bfa_assert(!(sgpg_pa.pa & (sizeof(struct bfi_sgpg_s) - 1)));
for (i = 0; i < mod->num_sgpgs; i++) {
memset(hsgpg, 0, sizeof(*hsgpg));
memset(sgpg, 0, sizeof(*sgpg));
hsgpg->sgpg = sgpg;
sgpg_pa_tmp.pa = bfa_sgaddr_le(sgpg_pa.pa);
hsgpg->sgpg_pa = sgpg_pa_tmp.addr;
list_add_tail(&hsgpg->qe, &mod->sgpg_q);
hsgpg++;
sgpg++;
sgpg_pa.pa += sizeof(struct bfi_sgpg_s);
}
bfa_meminfo_kva(minfo) = (u8 *) hsgpg;
bfa_meminfo_dma_virt(minfo) = (u8 *) sgpg;
bfa_meminfo_dma_phys(minfo) = sgpg_pa.pa;
}
static void
bfa_sgpg_detach(struct bfa_s *bfa)
{
}
static void
bfa_sgpg_start(struct bfa_s *bfa)
{
}
static void
bfa_sgpg_stop(struct bfa_s *bfa)
{
}
static void
bfa_sgpg_iocdisable(struct bfa_s *bfa)
{
}
bfa_status_t
bfa_sgpg_malloc(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpgs)
{
struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
struct bfa_sgpg_s *hsgpg;
int i;
bfa_trc_fp(bfa, nsgpgs);
if (mod->free_sgpgs < nsgpgs)
return BFA_STATUS_ENOMEM;
for (i = 0; i < nsgpgs; i++) {
bfa_q_deq(&mod->sgpg_q, &hsgpg);
bfa_assert(hsgpg);
list_add_tail(&hsgpg->qe, sgpg_q);
}
mod->free_sgpgs -= nsgpgs;
return BFA_STATUS_OK;
}
void
bfa_sgpg_mfree(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpg)
{
struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
struct bfa_sgpg_wqe_s *wqe;
bfa_trc_fp(bfa, nsgpg);
mod->free_sgpgs += nsgpg;
bfa_assert(mod->free_sgpgs <= mod->num_sgpgs);
list_splice_tail_init(sgpg_q, &mod->sgpg_q);
if (list_empty(&mod->sgpg_wait_q))
return;
/*
* satisfy as many waiting requests as possible
*/
do {
wqe = bfa_q_first(&mod->sgpg_wait_q);
if (mod->free_sgpgs < wqe->nsgpg)
nsgpg = mod->free_sgpgs;
else
nsgpg = wqe->nsgpg;
bfa_sgpg_malloc(bfa, &wqe->sgpg_q, nsgpg);
wqe->nsgpg -= nsgpg;
if (wqe->nsgpg == 0) {
list_del(&wqe->qe);
wqe->cbfn(wqe->cbarg);
}
} while (mod->free_sgpgs && !list_empty(&mod->sgpg_wait_q));
}
void
bfa_sgpg_wait(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe, int nsgpg)
{
struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
bfa_assert(nsgpg > 0);
bfa_assert(nsgpg > mod->free_sgpgs);
wqe->nsgpg_total = wqe->nsgpg = nsgpg;
/*
* allocate any left to this one first
*/
if (mod->free_sgpgs) {
/*
* no one else is waiting for SGPG
*/
bfa_assert(list_empty(&mod->sgpg_wait_q));
list_splice_tail_init(&mod->sgpg_q, &wqe->sgpg_q);
wqe->nsgpg -= mod->free_sgpgs;
mod->free_sgpgs = 0;
}
list_add_tail(&wqe->qe, &mod->sgpg_wait_q);
}
void
bfa_sgpg_wcancel(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe)
{
struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
bfa_assert(bfa_q_is_on_q(&mod->sgpg_wait_q, wqe));
list_del(&wqe->qe);
if (wqe->nsgpg_total != wqe->nsgpg)
bfa_sgpg_mfree(bfa, &wqe->sgpg_q,
wqe->nsgpg_total - wqe->nsgpg);
}
void
bfa_sgpg_winit(struct bfa_sgpg_wqe_s *wqe, void (*cbfn) (void *cbarg),
void *cbarg)
{
INIT_LIST_HEAD(&wqe->sgpg_q);
wqe->cbfn = cbfn;
wqe->cbarg = cbarg;
}
/*
* UF related functions
*/
/*
*****************************************************************************
* Internal functions
*****************************************************************************
*/
static void
__bfa_cb_uf_recv(void *cbarg, bfa_boolean_t complete)
{
struct bfa_uf_s *uf = cbarg;
struct bfa_uf_mod_s *ufm = BFA_UF_MOD(uf->bfa);
if (complete)
ufm->ufrecv(ufm->cbarg, uf);
}
static void
claim_uf_pbs(struct bfa_uf_mod_s *ufm, struct bfa_meminfo_s *mi)
{
u32 uf_pb_tot_sz;
ufm->uf_pbs_kva = (struct bfa_uf_buf_s *) bfa_meminfo_dma_virt(mi);
ufm->uf_pbs_pa = bfa_meminfo_dma_phys(mi);
uf_pb_tot_sz = BFA_ROUNDUP((sizeof(struct bfa_uf_buf_s) * ufm->num_ufs),
BFA_DMA_ALIGN_SZ);
bfa_meminfo_dma_virt(mi) += uf_pb_tot_sz;
bfa_meminfo_dma_phys(mi) += uf_pb_tot_sz;
memset((void *)ufm->uf_pbs_kva, 0, uf_pb_tot_sz);
}
static void
claim_uf_post_msgs(struct bfa_uf_mod_s *ufm, struct bfa_meminfo_s *mi)
{
struct bfi_uf_buf_post_s *uf_bp_msg;
struct bfi_sge_s *sge;
union bfi_addr_u sga_zero = { {0} };
u16 i;
u16 buf_len;
ufm->uf_buf_posts = (struct bfi_uf_buf_post_s *) bfa_meminfo_kva(mi);
uf_bp_msg = ufm->uf_buf_posts;
for (i = 0, uf_bp_msg = ufm->uf_buf_posts; i < ufm->num_ufs;
i++, uf_bp_msg++) {
memset(uf_bp_msg, 0, sizeof(struct bfi_uf_buf_post_s));
uf_bp_msg->buf_tag = i;
buf_len = sizeof(struct bfa_uf_buf_s);
uf_bp_msg->buf_len = cpu_to_be16(buf_len);
bfi_h2i_set(uf_bp_msg->mh, BFI_MC_UF, BFI_UF_H2I_BUF_POST,
bfa_lpuid(ufm->bfa));
sge = uf_bp_msg->sge;
sge[0].sg_len = buf_len;
sge[0].flags = BFI_SGE_DATA_LAST;
bfa_dma_addr_set(sge[0].sga, ufm_pbs_pa(ufm, i));
bfa_sge_to_be(sge);
sge[1].sg_len = buf_len;
sge[1].flags = BFI_SGE_PGDLEN;
sge[1].sga = sga_zero;
bfa_sge_to_be(&sge[1]);
}
/*
* advance pointer beyond consumed memory
*/
bfa_meminfo_kva(mi) = (u8 *) uf_bp_msg;
}
static void
claim_ufs(struct bfa_uf_mod_s *ufm, struct bfa_meminfo_s *mi)
{
u16 i;
struct bfa_uf_s *uf;
/*
* Claim block of memory for UF list
*/
ufm->uf_list = (struct bfa_uf_s *) bfa_meminfo_kva(mi);
/*
* Initialize UFs and queue it in UF free queue
*/
for (i = 0, uf = ufm->uf_list; i < ufm->num_ufs; i++, uf++) {
memset(uf, 0, sizeof(struct bfa_uf_s));
uf->bfa = ufm->bfa;
uf->uf_tag = i;
uf->pb_len = sizeof(struct bfa_uf_buf_s);
uf->buf_kva = (void *)&ufm->uf_pbs_kva[i];
uf->buf_pa = ufm_pbs_pa(ufm, i);
list_add_tail(&uf->qe, &ufm->uf_free_q);
}
/*
* advance memory pointer
*/
bfa_meminfo_kva(mi) = (u8 *) uf;
}
static void
uf_mem_claim(struct bfa_uf_mod_s *ufm, struct bfa_meminfo_s *mi)
{
claim_uf_pbs(ufm, mi);
claim_ufs(ufm, mi);
claim_uf_post_msgs(ufm, mi);
}
static void
bfa_uf_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len, u32 *dm_len)
{
u32 num_ufs = cfg->fwcfg.num_uf_bufs;
/*
* dma-able memory for UF posted bufs
*/
*dm_len += BFA_ROUNDUP((sizeof(struct bfa_uf_buf_s) * num_ufs),
BFA_DMA_ALIGN_SZ);
/*
* kernel Virtual memory for UFs and UF buf post msg copies
*/
*ndm_len += sizeof(struct bfa_uf_s) * num_ufs;
*ndm_len += sizeof(struct bfi_uf_buf_post_s) * num_ufs;
}
static void
bfa_uf_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
{
struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
memset(ufm, 0, sizeof(struct bfa_uf_mod_s));
ufm->bfa = bfa;
ufm->num_ufs = cfg->fwcfg.num_uf_bufs;
INIT_LIST_HEAD(&ufm->uf_free_q);
INIT_LIST_HEAD(&ufm->uf_posted_q);
uf_mem_claim(ufm, meminfo);
}
static void
bfa_uf_detach(struct bfa_s *bfa)
{
}
static struct bfa_uf_s *
bfa_uf_get(struct bfa_uf_mod_s *uf_mod)
{
struct bfa_uf_s *uf;
bfa_q_deq(&uf_mod->uf_free_q, &uf);
return uf;
}
static void
bfa_uf_put(struct bfa_uf_mod_s *uf_mod, struct bfa_uf_s *uf)
{
list_add_tail(&uf->qe, &uf_mod->uf_free_q);
}
static bfa_status_t
bfa_uf_post(struct bfa_uf_mod_s *ufm, struct bfa_uf_s *uf)
{
struct bfi_uf_buf_post_s *uf_post_msg;
uf_post_msg = bfa_reqq_next(ufm->bfa, BFA_REQQ_FCXP);
if (!uf_post_msg)
return BFA_STATUS_FAILED;
memcpy(uf_post_msg, &ufm->uf_buf_posts[uf->uf_tag],
sizeof(struct bfi_uf_buf_post_s));
bfa_reqq_produce(ufm->bfa, BFA_REQQ_FCXP);
bfa_trc(ufm->bfa, uf->uf_tag);
list_add_tail(&uf->qe, &ufm->uf_posted_q);
return BFA_STATUS_OK;
}
static void
bfa_uf_post_all(struct bfa_uf_mod_s *uf_mod)
{
struct bfa_uf_s *uf;
while ((uf = bfa_uf_get(uf_mod)) != NULL) {
if (bfa_uf_post(uf_mod, uf) != BFA_STATUS_OK)
break;
}
}
static void
uf_recv(struct bfa_s *bfa, struct bfi_uf_frm_rcvd_s *m)
{
struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
u16 uf_tag = m->buf_tag;
struct bfa_uf_buf_s *uf_buf = &ufm->uf_pbs_kva[uf_tag];
struct bfa_uf_s *uf = &ufm->uf_list[uf_tag];
u8 *buf = &uf_buf->d[0];
struct fchs_s *fchs;
m->frm_len = be16_to_cpu(m->frm_len);
m->xfr_len = be16_to_cpu(m->xfr_len);
fchs = (struct fchs_s *)uf_buf;
list_del(&uf->qe); /* dequeue from posted queue */
uf->data_ptr = buf;
uf->data_len = m->xfr_len;
bfa_assert(uf->data_len >= sizeof(struct fchs_s));
if (uf->data_len == sizeof(struct fchs_s)) {
bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_UF, BFA_PL_EID_RX,
uf->data_len, (struct fchs_s *)buf);
} else {
u32 pld_w0 = *((u32 *) (buf + sizeof(struct fchs_s)));
bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_UF,
BFA_PL_EID_RX, uf->data_len,
(struct fchs_s *)buf, pld_w0);
}
if (bfa->fcs)
__bfa_cb_uf_recv(uf, BFA_TRUE);
else
bfa_cb_queue(bfa, &uf->hcb_qe, __bfa_cb_uf_recv, uf);
}
static void
bfa_uf_stop(struct bfa_s *bfa)
{
}
static void
bfa_uf_iocdisable(struct bfa_s *bfa)
{
struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
struct bfa_uf_s *uf;
struct list_head *qe, *qen;
list_for_each_safe(qe, qen, &ufm->uf_posted_q) {
uf = (struct bfa_uf_s *) qe;
list_del(&uf->qe);
bfa_uf_put(ufm, uf);
}
}
static void
bfa_uf_start(struct bfa_s *bfa)
{
bfa_uf_post_all(BFA_UF_MOD(bfa));
}
/*
* Register handler for all unsolicted recieve frames.
*
* @param[in] bfa BFA instance
* @param[in] ufrecv receive handler function
* @param[in] cbarg receive handler arg
*/
void
bfa_uf_recv_register(struct bfa_s *bfa, bfa_cb_uf_recv_t ufrecv, void *cbarg)
{
struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
ufm->ufrecv = ufrecv;
ufm->cbarg = cbarg;
}
/*
* Free an unsolicited frame back to BFA.
*
* @param[in] uf unsolicited frame to be freed
*
* @return None
*/
void
bfa_uf_free(struct bfa_uf_s *uf)
{
bfa_uf_put(BFA_UF_MOD(uf->bfa), uf);
bfa_uf_post_all(BFA_UF_MOD(uf->bfa));
}
/*
* uf_pub BFA uf module public functions
*/
void
bfa_uf_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
{
bfa_trc(bfa, msg->mhdr.msg_id);
switch (msg->mhdr.msg_id) {
case BFI_UF_I2H_FRM_RCVD:
uf_recv(bfa, (struct bfi_uf_frm_rcvd_s *) msg);
break;
default:
bfa_trc(bfa, msg->mhdr.msg_id);
bfa_assert(0);
}
}
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