diff options
author | Krishna Gudipati <kgudipat@brocade.com> | 2010-12-13 16:17:42 -0800 |
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committer | James Bottomley <James.Bottomley@suse.de> | 2010-12-21 12:37:16 -0600 |
commit | b704495c6707013806d1b66507a967896e2b4a7c (patch) | |
tree | 4ef277e362f33d1803bbacf0e24053e9a6506bb5 /drivers/scsi/bfa/bfa_svc.c | |
parent | f1d584d70f31f54e0a559049906f42db89e2746d (diff) | |
download | op-kernel-dev-b704495c6707013806d1b66507a967896e2b4a7c.zip op-kernel-dev-b704495c6707013806d1b66507a967896e2b4a7c.tar.gz |
[SCSI] bfa: direct attach mode fix.
- Direct attach is not working due to the check of PID in fcxp_send request.
- Added logic to set the lps->lp_pid with the PID assigned for n2n mode.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/bfa/bfa_svc.c')
-rw-r--r-- | drivers/scsi/bfa/bfa_svc.c | 99 |
1 files changed, 98 insertions, 1 deletions
diff --git a/drivers/scsi/bfa/bfa_svc.c b/drivers/scsi/bfa/bfa_svc.c index 2666472..b7df553 100644 --- a/drivers/scsi/bfa/bfa_svc.c +++ b/drivers/scsi/bfa/bfa_svc.c @@ -131,6 +131,7 @@ static void bfa_lps_reqq_resume(void *lps_arg); static void bfa_lps_free(struct bfa_lps_s *lps); static void bfa_lps_send_login(struct bfa_lps_s *lps); static void bfa_lps_send_logout(struct bfa_lps_s *lps); +static void bfa_lps_send_set_n2n_pid(struct bfa_lps_s *lps); static void bfa_lps_login_comp(struct bfa_lps_s *lps); static void bfa_lps_logout_comp(struct bfa_lps_s *lps); static void bfa_lps_cvl_event(struct bfa_lps_s *lps); @@ -143,6 +144,8 @@ static void bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event); static void bfa_lps_sm_loginwait(struct bfa_lps_s *lps, enum bfa_lps_event event); static void bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event); +static void bfa_lps_sm_online_n2n_pid_wait(struct bfa_lps_s *lps, + enum bfa_lps_event event); static void bfa_lps_sm_logout(struct bfa_lps_s *lps, enum bfa_lps_event event); static void bfa_lps_sm_logowait(struct bfa_lps_s *lps, enum bfa_lps_event event); @@ -1254,6 +1257,12 @@ bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event) else bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS, BFA_PL_EID_LOGIN, 0, "FLOGI Accept"); + /* If N2N, send the assigned PID to FW */ + bfa_trc(lps->bfa, lps->fport); + bfa_trc(lps->bfa, lps->lp_pid); + + if (!lps->fport && lps->lp_pid) + bfa_sm_send_event(lps, BFA_LPS_SM_SET_N2N_PID); } else { bfa_sm_set_state(lps, bfa_lps_sm_init); if (lps->fdisc) @@ -1272,6 +1281,11 @@ bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event) bfa_sm_set_state(lps, bfa_lps_sm_init); break; + case BFA_LPS_SM_SET_N2N_PID: + bfa_trc(lps->bfa, lps->fport); + bfa_trc(lps->bfa, lps->lp_pid); + break; + default: bfa_sm_fault(lps->bfa, event); } @@ -1340,6 +1354,14 @@ bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event) BFA_PL_EID_FIP_FCF_CVL, 0, "FCF Clear Virt. Link Rx"); break; + case BFA_LPS_SM_SET_N2N_PID: + if (bfa_reqq_full(lps->bfa, lps->reqq)) { + bfa_sm_set_state(lps, bfa_lps_sm_online_n2n_pid_wait); + bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe); + } else + bfa_lps_send_set_n2n_pid(lps); + break; + case BFA_LPS_SM_OFFLINE: case BFA_LPS_SM_DELETE: bfa_sm_set_state(lps, bfa_lps_sm_init); @@ -1350,6 +1372,48 @@ bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event) } } +/** + * login complete + */ +static void +bfa_lps_sm_online_n2n_pid_wait(struct bfa_lps_s *lps, enum bfa_lps_event event) +{ + bfa_trc(lps->bfa, lps->lp_tag); + bfa_trc(lps->bfa, event); + + switch (event) { + case BFA_LPS_SM_RESUME: + bfa_sm_set_state(lps, bfa_lps_sm_online); + bfa_lps_send_set_n2n_pid(lps); + break; + + case BFA_LPS_SM_LOGOUT: + bfa_sm_set_state(lps, bfa_lps_sm_logowait); + bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS, + BFA_PL_EID_LOGO, 0, "Logout"); + break; + + case BFA_LPS_SM_RX_CVL: + bfa_sm_set_state(lps, bfa_lps_sm_init); + bfa_reqq_wcancel(&lps->wqe); + + /* Let the vport module know about this event */ + bfa_lps_cvl_event(lps); + bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS, + BFA_PL_EID_FIP_FCF_CVL, 0, "FCF Clear Virt. Link Rx"); + break; + + case BFA_LPS_SM_OFFLINE: + case BFA_LPS_SM_DELETE: + bfa_sm_set_state(lps, bfa_lps_sm_init); + bfa_reqq_wcancel(&lps->wqe); + break; + + default: + bfa_sm_fault(lps->bfa, event); + } +} + /* * logout in progress - awaiting firmware response */ @@ -1498,8 +1562,9 @@ bfa_lps_login_rsp(struct bfa_s *bfa, struct bfi_lps_login_rsp_s *rsp) switch (rsp->status) { case BFA_STATUS_OK: lps->fport = rsp->f_port; + if (lps->fport) + lps->lp_pid = rsp->lp_pid; 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; @@ -1626,6 +1691,25 @@ bfa_lps_send_logout(struct bfa_lps_s *lps) bfa_reqq_produce(lps->bfa, lps->reqq); } +/** + * send n2n pid set request to firmware + */ +static void +bfa_lps_send_set_n2n_pid(struct bfa_lps_s *lps) +{ + struct bfi_lps_n2n_pid_req_s *m; + + m = bfa_reqq_next(lps->bfa, lps->reqq); + bfa_assert(m); + + bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_N2N_PID_REQ, + bfa_lpuid(lps->bfa)); + + m->lp_tag = lps->lp_tag; + m->lp_pid = lps->lp_pid; + bfa_reqq_produce(lps->bfa, lps->reqq); +} + /* * Indirect login completion handler for non-fcs */ @@ -1846,6 +1930,19 @@ bfa_lps_get_base_pid(struct bfa_s *bfa) return BFA_LPS_FROM_TAG(mod, 0)->lp_pid; } +/** + * Set PID in case of n2n (which is assigned during PLOGI) + */ +void +bfa_lps_set_n2n_pid(struct bfa_lps_s *lps, uint32_t n2n_pid) +{ + bfa_trc(lps->bfa, lps->lp_tag); + bfa_trc(lps->bfa, n2n_pid); + + lps->lp_pid = n2n_pid; + bfa_sm_send_event(lps, BFA_LPS_SM_SET_N2N_PID); +} + /* * LPS firmware message class handler. */ |