From c3f1b123d0573b47aea540c711e6ca83737c5d86 Mon Sep 17 00:00:00 2001 From: Krishna Gudipati Date: Wed, 22 Aug 2012 19:51:08 -0700 Subject: [SCSI] bfa: Make changes to FCXP resource management. - Made changes to split FCXP resources as request and response resources. - The split will reduce the contention for FCXP resources in an open zone config. Signed-off-by: Krishna Gudipati Signed-off-by: James Bottomley --- drivers/scsi/bfa/bfa_cs.h | 4 +- drivers/scsi/bfa/bfa_fcs.c | 2 +- drivers/scsi/bfa/bfa_fcs.h | 13 ++++--- drivers/scsi/bfa/bfa_fcs_fcpim.c | 5 ++- drivers/scsi/bfa/bfa_fcs_lport.c | 77 ++++++++++++++++++++++---------------- drivers/scsi/bfa/bfa_fcs_rport.c | 42 ++++++++++++--------- drivers/scsi/bfa/bfa_svc.c | 80 +++++++++++++++++++++++++++++----------- drivers/scsi/bfa/bfa_svc.h | 22 +++++++---- drivers/scsi/bfa/bfad_bsg.c | 4 +- 9 files changed, 156 insertions(+), 93 deletions(-) (limited to 'drivers/scsi/bfa') diff --git a/drivers/scsi/bfa/bfa_cs.h b/drivers/scsi/bfa/bfa_cs.h index 12bfeed..91a8aa3 100644 --- a/drivers/scsi/bfa/bfa_cs.h +++ b/drivers/scsi/bfa/bfa_cs.h @@ -168,7 +168,7 @@ __bfa_trc32(struct bfa_trc_mod_s *trcm, int fileno, int line, u32 data) /* * bfa_q_deq - dequeue an element from head of the queue */ -#define bfa_q_deq(_q, _qe) { \ +#define bfa_q_deq(_q, _qe) do { \ if (!list_empty(_q)) { \ (*((struct list_head **) (_qe))) = bfa_q_next(_q); \ bfa_q_prev(bfa_q_next(*((struct list_head **) _qe))) = \ @@ -177,7 +177,7 @@ __bfa_trc32(struct bfa_trc_mod_s *trcm, int fileno, int line, u32 data) } else { \ *((struct list_head **) (_qe)) = (struct list_head *) NULL;\ } \ -} +} while (0) /* * bfa_q_deq_tail - dequeue an element from tail of the queue diff --git a/drivers/scsi/bfa/bfa_fcs.c b/drivers/scsi/bfa/bfa_fcs.c index eaac57e..3f71d50 100644 --- a/drivers/scsi/bfa/bfa_fcs.c +++ b/drivers/scsi/bfa/bfa_fcs.c @@ -1294,7 +1294,7 @@ bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric) u16 reqlen; struct fchs_s fchs; - fcxp = bfa_fcs_fcxp_alloc(fabric->fcs); + fcxp = bfa_fcs_fcxp_alloc(fabric->fcs, BFA_FALSE); /* * Do not expect this failure -- expect remote node to retry */ diff --git a/drivers/scsi/bfa/bfa_fcs.h b/drivers/scsi/bfa/bfa_fcs.h index ef0ec66..10c93bf0 100644 --- a/drivers/scsi/bfa/bfa_fcs.h +++ b/drivers/scsi/bfa/bfa_fcs.h @@ -511,12 +511,13 @@ struct bfa_fcs_itnim_s { struct bfa_fcxp_s *fcxp; /* FCXP in use */ struct bfa_itnim_stats_s stats; /* itn statistics */ }; -#define bfa_fcs_fcxp_alloc(__fcs) \ - bfa_fcxp_alloc(NULL, (__fcs)->bfa, 0, 0, NULL, NULL, NULL, NULL) - -#define bfa_fcs_fcxp_alloc_wait(__bfa, __wqe, __alloc_cbfn, __alloc_cbarg) \ - bfa_fcxp_alloc_wait(__bfa, __wqe, __alloc_cbfn, __alloc_cbarg, \ - NULL, 0, 0, NULL, NULL, NULL, NULL) +#define bfa_fcs_fcxp_alloc(__fcs, __req) \ + bfa_fcxp_req_rsp_alloc(NULL, (__fcs)->bfa, 0, 0, \ + NULL, NULL, NULL, NULL, __req) +#define bfa_fcs_fcxp_alloc_wait(__bfa, __wqe, __alloc_cbfn, \ + __alloc_cbarg, __req) \ + bfa_fcxp_req_rsp_alloc_wait(__bfa, __wqe, __alloc_cbfn, \ + __alloc_cbarg, NULL, 0, 0, NULL, NULL, NULL, NULL, __req) static inline struct bfad_port_s * bfa_fcs_itnim_get_drvport(struct bfa_fcs_itnim_s *itnim) diff --git a/drivers/scsi/bfa/bfa_fcs_fcpim.c b/drivers/scsi/bfa/bfa_fcs_fcpim.c index 9272840..59c062f 100644 --- a/drivers/scsi/bfa/bfa_fcs_fcpim.c +++ b/drivers/scsi/bfa/bfa_fcs_fcpim.c @@ -426,11 +426,12 @@ bfa_fcs_itnim_send_prli(void *itnim_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(itnim->fcs, itnim->rport->pwwn); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + fcxp = fcxp_alloced ? fcxp_alloced : + bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); if (!fcxp) { itnim->stats.fcxp_alloc_wait++; bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &itnim->fcxp_wqe, - bfa_fcs_itnim_send_prli, itnim); + bfa_fcs_itnim_send_prli, itnim, BFA_TRUE); return; } itnim->fcxp = fcxp; diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c index 5392df5..e566170 100644 --- a/drivers/scsi/bfa/bfa_fcs_lport.c +++ b/drivers/scsi/bfa/bfa_fcs_lport.c @@ -340,7 +340,7 @@ bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs, bfa_trc(port->fcs, rx_fchs->d_id); bfa_trc(port->fcs, rx_fchs->s_id); - fcxp = bfa_fcs_fcxp_alloc(port->fcs); + fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) return; @@ -370,7 +370,7 @@ bfa_fcs_lport_send_fcgs_rjt(struct bfa_fcs_lport_s *port, bfa_trc(port->fcs, rx_fchs->d_id); bfa_trc(port->fcs, rx_fchs->s_id); - fcxp = bfa_fcs_fcxp_alloc(port->fcs); + fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) return; @@ -507,7 +507,7 @@ bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs, bfa_trc(port->fcs, rx_fchs->s_id); bfa_trc(port->fcs, rx_fchs->d_id); - fcxp = bfa_fcs_fcxp_alloc(port->fcs); + fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) return; @@ -552,7 +552,7 @@ bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs, bfa_trc(port->fcs, rx_fchs->d_id); bfa_trc(port->fcs, rx_len); - fcxp = bfa_fcs_fcxp_alloc(port->fcs); + fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) return; @@ -684,7 +684,7 @@ bfa_fcs_lport_abts_acc(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs) bfa_trc(port->fcs, rx_fchs->d_id); bfa_trc(port->fcs, rx_fchs->s_id); - fcxp = bfa_fcs_fcxp_alloc(port->fcs); + fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) return; @@ -1696,10 +1696,11 @@ bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(port->fcs, port->port_cfg.pwwn); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + fcxp = fcxp_alloced ? fcxp_alloced : + bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); if (!fcxp) { bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe, - bfa_fcs_lport_fdmi_send_rhba, fdmi); + bfa_fcs_lport_fdmi_send_rhba, fdmi, BFA_TRUE); return; } fdmi->fcxp = fcxp; @@ -1970,10 +1971,11 @@ bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(port->fcs, port->port_cfg.pwwn); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + fcxp = fcxp_alloced ? fcxp_alloced : + bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); if (!fcxp) { bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe, - bfa_fcs_lport_fdmi_send_rprt, fdmi); + bfa_fcs_lport_fdmi_send_rprt, fdmi, BFA_TRUE); return; } fdmi->fcxp = fcxp; @@ -2185,10 +2187,11 @@ bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(port->fcs, port->port_cfg.pwwn); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + fcxp = fcxp_alloced ? fcxp_alloced : + bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); if (!fcxp) { bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe, - bfa_fcs_lport_fdmi_send_rpa, fdmi); + bfa_fcs_lport_fdmi_send_rpa, fdmi, BFA_TRUE); return; } fdmi->fcxp = fcxp; @@ -2775,10 +2778,11 @@ bfa_fcs_lport_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(port->fcs, port->pid); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + fcxp = fcxp_alloced ? fcxp_alloced : + bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); if (!fcxp) { bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe, - bfa_fcs_lport_ms_send_gmal, ms); + bfa_fcs_lport_ms_send_gmal, ms, BFA_TRUE); return; } ms->fcxp = fcxp; @@ -2975,10 +2979,11 @@ bfa_fcs_lport_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(port->fcs, port->pid); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + fcxp = fcxp_alloced ? fcxp_alloced : + bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); if (!fcxp) { bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe, - bfa_fcs_lport_ms_send_gfn, ms); + bfa_fcs_lport_ms_send_gfn, ms, BFA_TRUE); return; } ms->fcxp = fcxp; @@ -3051,11 +3056,12 @@ bfa_fcs_lport_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(port->fcs, port->pid); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + fcxp = fcxp_alloced ? fcxp_alloced : + bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); if (!fcxp) { port->stats.ms_plogi_alloc_wait++; bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe, - bfa_fcs_lport_ms_send_plogi, ms); + bfa_fcs_lport_ms_send_plogi, ms, BFA_TRUE); return; } ms->fcxp = fcxp; @@ -3809,11 +3815,12 @@ bfa_fcs_lport_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(port->fcs, port->pid); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + fcxp = fcxp_alloced ? fcxp_alloced : + bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); if (!fcxp) { port->stats.ns_plogi_alloc_wait++; bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, - bfa_fcs_lport_ns_send_plogi, ns); + bfa_fcs_lport_ns_send_plogi, ns, BFA_TRUE); return; } ns->fcxp = fcxp; @@ -3909,11 +3916,12 @@ bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(port->fcs, port->port_cfg.pwwn); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + fcxp = fcxp_alloced ? fcxp_alloced : + bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); if (!fcxp) { port->stats.ns_rspnid_alloc_wait++; bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, - bfa_fcs_lport_ns_send_rspn_id, ns); + bfa_fcs_lport_ns_send_rspn_id, ns, BFA_TRUE); return; } ns->fcxp = fcxp; @@ -4010,11 +4018,12 @@ bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(port->fcs, port->port_cfg.pwwn); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + fcxp = fcxp_alloced ? fcxp_alloced : + bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); if (!fcxp) { port->stats.ns_rftid_alloc_wait++; bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, - bfa_fcs_lport_ns_send_rft_id, ns); + bfa_fcs_lport_ns_send_rft_id, ns, BFA_TRUE); return; } ns->fcxp = fcxp; @@ -4083,11 +4092,12 @@ bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(port->fcs, port->port_cfg.pwwn); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + fcxp = fcxp_alloced ? fcxp_alloced : + bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); if (!fcxp) { port->stats.ns_rffid_alloc_wait++; bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, - bfa_fcs_lport_ns_send_rff_id, ns); + bfa_fcs_lport_ns_send_rff_id, ns, BFA_TRUE); return; } ns->fcxp = fcxp; @@ -4166,11 +4176,12 @@ bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(port->fcs, port->pid); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + fcxp = fcxp_alloced ? fcxp_alloced : + bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); if (!fcxp) { port->stats.ns_gidft_alloc_wait++; bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, - bfa_fcs_lport_ns_send_gid_ft, ns); + bfa_fcs_lport_ns_send_gid_ft, ns, BFA_TRUE); return; } ns->fcxp = fcxp; @@ -4419,11 +4430,12 @@ bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, struct bfa_fcxp_s *fcxp_alloced) memset(symbl, 0, sizeof(symbl)); bfa_trc(port->fcs, port->port_cfg.pwwn); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + fcxp = fcxp_alloced ? fcxp_alloced : + bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) { port->stats.ns_rspnid_alloc_wait++; bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, - bfa_fcs_lport_ns_util_send_rspn_id, ns); + bfa_fcs_lport_ns_util_send_rspn_id, ns, BFA_FALSE); return; } @@ -4631,10 +4643,11 @@ bfa_fcs_lport_scn_send_scr(void *scn_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(port->fcs, port->pid); bfa_trc(port->fcs, port->port_cfg.pwwn); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + fcxp = fcxp_alloced ? fcxp_alloced : + bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); if (!fcxp) { bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &scn->fcxp_wqe, - bfa_fcs_lport_scn_send_scr, scn); + bfa_fcs_lport_scn_send_scr, scn, BFA_TRUE); return; } scn->fcxp = fcxp; @@ -4716,7 +4729,7 @@ bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port, bfa_trc(port->fcs, rx_fchs->s_id); - fcxp = bfa_fcs_fcxp_alloc(port->fcs); + fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) return; diff --git a/drivers/scsi/bfa/bfa_fcs_rport.c b/drivers/scsi/bfa/bfa_fcs_rport.c index fa2df04..8efa3a3 100644 --- a/drivers/scsi/bfa/bfa_fcs_rport.c +++ b/drivers/scsi/bfa/bfa_fcs_rport.c @@ -1372,10 +1372,11 @@ bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(rport->fcs, rport->pwwn); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + fcxp = fcxp_alloced ? fcxp_alloced : + bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); if (!fcxp) { bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, - bfa_fcs_rport_send_plogi, rport); + bfa_fcs_rport_send_plogi, rport, BFA_TRUE); return; } rport->fcxp = fcxp; @@ -1492,10 +1493,11 @@ bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(rport->fcs, rport->pwwn); bfa_trc(rport->fcs, rport->reply_oxid); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + fcxp = fcxp_alloced ? fcxp_alloced : + bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) { bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, - bfa_fcs_rport_send_plogiacc, rport); + bfa_fcs_rport_send_plogiacc, rport, BFA_FALSE); return; } rport->fcxp = fcxp; @@ -1524,10 +1526,11 @@ bfa_fcs_rport_send_adisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(rport->fcs, rport->pwwn); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + fcxp = fcxp_alloced ? fcxp_alloced : + bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); if (!fcxp) { bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, - bfa_fcs_rport_send_adisc, rport); + bfa_fcs_rport_send_adisc, rport, BFA_TRUE); return; } rport->fcxp = fcxp; @@ -1587,10 +1590,11 @@ bfa_fcs_rport_send_nsdisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(rport->fcs, rport->pid); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + fcxp = fcxp_alloced ? fcxp_alloced : + bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); if (!fcxp) { bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, - bfa_fcs_rport_send_nsdisc, rport); + bfa_fcs_rport_send_nsdisc, rport, BFA_TRUE); return; } rport->fcxp = fcxp; @@ -1743,10 +1747,11 @@ bfa_fcs_rport_send_logo(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) port = rport->port; - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + fcxp = fcxp_alloced ? fcxp_alloced : + bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) { bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, - bfa_fcs_rport_send_logo, rport); + bfa_fcs_rport_send_logo, rport, BFA_FALSE); return; } rport->fcxp = fcxp; @@ -1780,7 +1785,7 @@ bfa_fcs_rport_send_logo_acc(void *rport_cbarg) port = rport->port; - fcxp = bfa_fcs_fcxp_alloc(port->fcs); + fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) return; @@ -1851,7 +1856,7 @@ bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, bfa_fcs_itnim_is_initiator(rport->itnim); } - fcxp = bfa_fcs_fcxp_alloc(port->fcs); + fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) return; @@ -1888,7 +1893,7 @@ bfa_fcs_rport_process_rpsc(struct bfa_fcs_rport_s *rport, speeds.port_op_speed = fc_bfa_speed_to_rpsc_operspeed(pport_attr.speed); - fcxp = bfa_fcs_fcxp_alloc(port->fcs); + fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) return; @@ -1922,7 +1927,7 @@ bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, */ if (bfa_fcs_itnim_get_online_state(rport->itnim) == BFA_STATUS_OK) { - fcxp = bfa_fcs_fcxp_alloc(port->fcs); + fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) return; @@ -2511,7 +2516,7 @@ bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport) bfa_trc(rport->fcs, rport->pid); - fcxp = bfa_fcs_fcxp_alloc(port->fcs); + fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); if (!fcxp) return; len = fc_prlo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), @@ -2537,7 +2542,7 @@ bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, bfa_trc(rport->fcs, rx_fchs->s_id); - fcxp = bfa_fcs_fcxp_alloc(rport->fcs); + fcxp = bfa_fcs_fcxp_alloc(rport->fcs, BFA_FALSE); if (!fcxp) return; @@ -2943,10 +2948,11 @@ bfa_fcs_rpf_send_rpsc2(void *rpf_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_trc(rport->fcs, rport->pwwn); - fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + fcxp = fcxp_alloced ? fcxp_alloced : + bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); if (!fcxp) { bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rpf->fcxp_wqe, - bfa_fcs_rpf_send_rpsc2, rpf); + bfa_fcs_rpf_send_rpsc2, rpf, BFA_TRUE); return; } rpf->fcxp = fcxp; diff --git a/drivers/scsi/bfa/bfa_svc.c b/drivers/scsi/bfa/bfa_svc.c index 2e856e6..849eac9 100644 --- a/drivers/scsi/bfa/bfa_svc.c +++ b/drivers/scsi/bfa/bfa_svc.c @@ -440,9 +440,11 @@ claim_fcxps_mem(struct bfa_fcxp_mod_s *mod) fcxp = (struct bfa_fcxp_s *) bfa_mem_kva_curp(mod); memset(fcxp, 0, sizeof(struct bfa_fcxp_s) * mod->num_fcxps); - INIT_LIST_HEAD(&mod->fcxp_free_q); + INIT_LIST_HEAD(&mod->fcxp_req_free_q); + INIT_LIST_HEAD(&mod->fcxp_rsp_free_q); INIT_LIST_HEAD(&mod->fcxp_active_q); - INIT_LIST_HEAD(&mod->fcxp_unused_q); + INIT_LIST_HEAD(&mod->fcxp_req_unused_q); + INIT_LIST_HEAD(&mod->fcxp_rsp_unused_q); mod->fcxp_list = fcxp; @@ -450,7 +452,14 @@ claim_fcxps_mem(struct bfa_fcxp_mod_s *mod) fcxp->fcxp_mod = mod; fcxp->fcxp_tag = i; - list_add_tail(&fcxp->qe, &mod->fcxp_free_q); + if (i < (mod->num_fcxps / 2)) { + list_add_tail(&fcxp->qe, &mod->fcxp_req_free_q); + fcxp->req_rsp = BFA_TRUE; + } else { + list_add_tail(&fcxp->qe, &mod->fcxp_rsp_free_q); + fcxp->req_rsp = BFA_FALSE; + } + bfa_reqq_winit(&fcxp->reqq_wqe, bfa_fcxp_qresume, fcxp); fcxp->reqq_waiting = BFA_FALSE; @@ -514,7 +523,8 @@ bfa_fcxp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, if (!cfg->drvcfg.min_cfg) mod->rsp_pld_sz = BFA_FCXP_MAX_LBUF_SZ; - INIT_LIST_HEAD(&mod->wait_q); + INIT_LIST_HEAD(&mod->req_wait_q); + INIT_LIST_HEAD(&mod->rsp_wait_q); claim_fcxps_mem(mod); } @@ -542,7 +552,8 @@ bfa_fcxp_iocdisable(struct bfa_s *bfa) struct list_head *qe, *qen; /* Enqueue unused fcxp resources to free_q */ - list_splice_tail_init(&mod->fcxp_unused_q, &mod->fcxp_free_q); + list_splice_tail_init(&mod->fcxp_req_unused_q, &mod->fcxp_req_free_q); + list_splice_tail_init(&mod->fcxp_rsp_unused_q, &mod->fcxp_rsp_free_q); list_for_each_safe(qe, qen, &mod->fcxp_active_q) { fcxp = (struct bfa_fcxp_s *) qe; @@ -559,11 +570,14 @@ bfa_fcxp_iocdisable(struct bfa_s *bfa) } static struct bfa_fcxp_s * -bfa_fcxp_get(struct bfa_fcxp_mod_s *fm) +bfa_fcxp_get(struct bfa_fcxp_mod_s *fm, bfa_boolean_t req) { struct bfa_fcxp_s *fcxp; - bfa_q_deq(&fm->fcxp_free_q, &fcxp); + if (req) + bfa_q_deq(&fm->fcxp_req_free_q, &fcxp); + else + bfa_q_deq(&fm->fcxp_rsp_free_q, &fcxp); if (fcxp) list_add_tail(&fcxp->qe, &fm->fcxp_active_q); @@ -642,7 +656,11 @@ 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 (fcxp->req_rsp) + bfa_q_deq(&mod->req_wait_q, &wqe); + else + bfa_q_deq(&mod->rsp_wait_q, &wqe); + if (wqe) { bfa_trc(mod->bfa, fcxp->fcxp_tag); @@ -657,7 +675,11 @@ bfa_fcxp_put(struct bfa_fcxp_s *fcxp) WARN_ON(!bfa_q_is_on_q(&mod->fcxp_active_q, fcxp)); list_del(&fcxp->qe); - list_add_tail(&fcxp->qe, &mod->fcxp_free_q); + + if (fcxp->req_rsp) + list_add_tail(&fcxp->qe, &mod->fcxp_req_free_q); + else + list_add_tail(&fcxp->qe, &mod->fcxp_rsp_free_q); } static void @@ -900,21 +922,23 @@ bfa_fcxp_queue(struct bfa_fcxp_s *fcxp, struct bfi_fcxp_send_req_s *send_req) * Address (given the sge index). * @param[in] get_rsp_sglen function ptr to be called to get a response SG * len (given the sge index). + * @param[in] req Allocated FCXP is used to send req or rsp? + * request - BFA_TRUE, response - BFA_FALSE * * @return FCXP instance. NULL on failure. */ struct bfa_fcxp_s * -bfa_fcxp_alloc(void *caller, struct bfa_s *bfa, int nreq_sgles, - int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn, - bfa_fcxp_get_sglen_t req_sglen_cbfn, - bfa_fcxp_get_sgaddr_t rsp_sga_cbfn, - bfa_fcxp_get_sglen_t rsp_sglen_cbfn) +bfa_fcxp_req_rsp_alloc(void *caller, struct bfa_s *bfa, int nreq_sgles, + int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn, + bfa_fcxp_get_sglen_t req_sglen_cbfn, + bfa_fcxp_get_sgaddr_t rsp_sga_cbfn, + bfa_fcxp_get_sglen_t rsp_sglen_cbfn, bfa_boolean_t req) { struct bfa_fcxp_s *fcxp = NULL; WARN_ON(bfa == NULL); - fcxp = bfa_fcxp_get(BFA_FCXP_MOD(bfa)); + fcxp = bfa_fcxp_get(BFA_FCXP_MOD(bfa), req); if (fcxp == NULL) return NULL; @@ -1071,17 +1095,20 @@ bfa_fcxp_abort(struct bfa_fcxp_s *fcxp) } void -bfa_fcxp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe, +bfa_fcxp_req_rsp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe, bfa_fcxp_alloc_cbfn_t alloc_cbfn, void *alloc_cbarg, void *caller, int nreq_sgles, int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn, bfa_fcxp_get_sglen_t req_sglen_cbfn, bfa_fcxp_get_sgaddr_t rsp_sga_cbfn, - bfa_fcxp_get_sglen_t rsp_sglen_cbfn) + bfa_fcxp_get_sglen_t rsp_sglen_cbfn, bfa_boolean_t req) { struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa); - WARN_ON(!list_empty(&mod->fcxp_free_q)); + if (req) + WARN_ON(!list_empty(&mod->fcxp_req_free_q)); + else + WARN_ON(!list_empty(&mod->fcxp_rsp_free_q)); wqe->alloc_cbfn = alloc_cbfn; wqe->alloc_cbarg = alloc_cbarg; @@ -1094,7 +1121,10 @@ bfa_fcxp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe, wqe->rsp_sga_cbfn = rsp_sga_cbfn; wqe->rsp_sglen_cbfn = rsp_sglen_cbfn; - list_add_tail(&wqe->qe, &mod->wait_q); + if (req) + list_add_tail(&wqe->qe, &mod->req_wait_q); + else + list_add_tail(&wqe->qe, &mod->rsp_wait_q); } void @@ -1102,7 +1132,8 @@ bfa_fcxp_walloc_cancel(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe) { struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa); - WARN_ON(!bfa_q_is_on_q(&mod->wait_q, wqe)); + WARN_ON(!bfa_q_is_on_q(&mod->req_wait_q, wqe) || + !bfa_q_is_on_q(&mod->rsp_wait_q, wqe)); list_del(&wqe->qe); } @@ -1153,8 +1184,13 @@ bfa_fcxp_res_recfg(struct bfa_s *bfa, u16 num_fcxp_fw) int i; for (i = 0; i < (mod->num_fcxps - num_fcxp_fw); i++) { - bfa_q_deq_tail(&mod->fcxp_free_q, &qe); - list_add_tail(qe, &mod->fcxp_unused_q); + if (i < ((mod->num_fcxps - num_fcxp_fw) / 2)) { + bfa_q_deq_tail(&mod->fcxp_req_free_q, &qe); + list_add_tail(qe, &mod->fcxp_req_unused_q); + } else { + bfa_q_deq_tail(&mod->fcxp_rsp_free_q, &qe); + list_add_tail(qe, &mod->fcxp_rsp_unused_q); + } } } diff --git a/drivers/scsi/bfa/bfa_svc.h b/drivers/scsi/bfa/bfa_svc.h index f300675..4da2b58 100644 --- a/drivers/scsi/bfa/bfa_svc.h +++ b/drivers/scsi/bfa/bfa_svc.h @@ -97,10 +97,13 @@ struct bfa_fcxp_mod_s { struct bfa_s *bfa; /* backpointer to BFA */ struct bfa_fcxp_s *fcxp_list; /* array of FCXPs */ u16 num_fcxps; /* max num FCXP requests */ - struct list_head fcxp_free_q; /* free FCXPs */ - struct list_head fcxp_active_q; /* active FCXPs */ - struct list_head wait_q; /* wait queue for free fcxp */ - struct list_head fcxp_unused_q; /* unused fcxps */ + struct list_head fcxp_req_free_q; /* free FCXPs used for sending req */ + struct list_head fcxp_rsp_free_q; /* free FCXPs used for sending req */ + struct list_head fcxp_active_q; /* active FCXPs */ + struct list_head req_wait_q; /* wait queue for free req_fcxp */ + struct list_head rsp_wait_q; /* wait queue for free rsp_fcxp */ + struct list_head fcxp_req_unused_q; /* unused req_fcxps */ + struct list_head fcxp_rsp_unused_q; /* unused rsp_fcxps */ u32 req_pld_sz; u32 rsp_pld_sz; struct bfa_mem_dma_s dma_seg[BFA_FCXP_DMA_SEGS]; @@ -197,6 +200,7 @@ struct bfa_fcxp_s { struct bfa_cb_qe_s hcb_qe; /* comp: callback qelem */ struct bfa_reqq_wait_s reqq_wqe; bfa_boolean_t reqq_waiting; + bfa_boolean_t req_rsp; /* Used to track req/rsp fcxp */ }; struct bfa_fcxp_wqe_s { @@ -586,20 +590,22 @@ void bfa_rport_unset_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp); /* * bfa fcxp API functions */ -struct bfa_fcxp_s *bfa_fcxp_alloc(void *bfad_fcxp, struct bfa_s *bfa, +struct bfa_fcxp_s *bfa_fcxp_req_rsp_alloc(void *bfad_fcxp, struct bfa_s *bfa, int nreq_sgles, int nrsp_sgles, bfa_fcxp_get_sgaddr_t get_req_sga, bfa_fcxp_get_sglen_t get_req_sglen, bfa_fcxp_get_sgaddr_t get_rsp_sga, - bfa_fcxp_get_sglen_t get_rsp_sglen); -void bfa_fcxp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe, + bfa_fcxp_get_sglen_t get_rsp_sglen, + bfa_boolean_t req); +void bfa_fcxp_req_rsp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe, bfa_fcxp_alloc_cbfn_t alloc_cbfn, void *cbarg, void *bfad_fcxp, int nreq_sgles, int nrsp_sgles, bfa_fcxp_get_sgaddr_t get_req_sga, bfa_fcxp_get_sglen_t get_req_sglen, bfa_fcxp_get_sgaddr_t get_rsp_sga, - bfa_fcxp_get_sglen_t get_rsp_sglen); + bfa_fcxp_get_sglen_t get_rsp_sglen, + bfa_boolean_t req); void bfa_fcxp_walloc_cancel(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe); void bfa_fcxp_discard(struct bfa_fcxp_s *fcxp); diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c index d9463d8..0db9055 100644 --- a/drivers/scsi/bfa/bfad_bsg.c +++ b/drivers/scsi/bfa/bfad_bsg.c @@ -2955,13 +2955,13 @@ bfad_fcxp_bsg_send(struct fc_bsg_job *job, struct bfad_fcxp *drv_fcxp, spin_lock_irqsave(&bfad->bfad_lock, flags); /* Allocate bfa_fcxp structure */ - hal_fcxp = bfa_fcxp_alloc(drv_fcxp, &bfad->bfa, + hal_fcxp = bfa_fcxp_req_rsp_alloc(drv_fcxp, &bfad->bfa, drv_fcxp->num_req_sgles, drv_fcxp->num_rsp_sgles, bfad_fcxp_get_req_sgaddr_cb, bfad_fcxp_get_req_sglen_cb, bfad_fcxp_get_rsp_sgaddr_cb, - bfad_fcxp_get_rsp_sglen_cb); + bfad_fcxp_get_rsp_sglen_cb, BFA_TRUE); if (!hal_fcxp) { bfa_trc(bfad, 0); spin_unlock_irqrestore(&bfad->bfad_lock, flags); -- cgit v1.1