| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Quinn Tran | 11329 | 22.46% | 165 | 26.03% |
| Andrew Vasquez | 10751 | 21.31% | 153 | 24.13% |
| Bart Van Assche | 5221 | 10.35% | 27 | 4.26% |
| Saurav Kashyap | 3176 | 6.30% | 20 | 3.15% |
| James Bottomley | 2958 | 5.86% | 5 | 0.79% |
| Joe Carnuccio | 2756 | 5.46% | 31 | 4.89% |
| David S. Miller | 2553 | 5.06% | 2 | 0.32% |
| Anirban Chakraborty | 1899 | 3.76% | 14 | 2.21% |
| Chad Dupuis | 1267 | 2.51% | 22 | 3.47% |
| Giridhar Malavali | 1225 | 2.43% | 24 | 3.79% |
| Santosh Vernekar | 1042 | 2.07% | 4 | 0.63% |
| Michael Hernandez | 914 | 1.81% | 7 | 1.10% |
| Arun Easi | 661 | 1.31% | 24 | 3.79% |
| Seokmann Ju | 537 | 1.06% | 9 | 1.42% |
| Sarang Radke | 531 | 1.05% | 1 | 0.16% |
| Harihara Kadayam | 476 | 0.94% | 1 | 0.16% |
| Himanshu Madhani | 423 | 0.84% | 15 | 2.37% |
| Duane Grigsby | 364 | 0.72% | 4 | 0.63% |
| Armen Baloyan | 342 | 0.68% | 2 | 0.32% |
| Madhuranath Iyengar | 266 | 0.53% | 7 | 1.10% |
| Sawan Chandak | 231 | 0.46% | 4 | 0.63% |
| Nicholas Bellinger | 152 | 0.30% | 1 | 0.16% |
| Daniel Wagner | 136 | 0.27% | 3 | 0.47% |
| Hannes Reinecke | 124 | 0.25% | 5 | 0.79% |
| Martin Wilck | 113 | 0.22% | 3 | 0.47% |
| Roland Dreier | 110 | 0.22% | 1 | 0.16% |
| Darren Trapp | 108 | 0.21% | 6 | 0.95% |
| Shyam Sundar | 107 | 0.21% | 4 | 0.63% |
| Atul Deshmukh | 93 | 0.18% | 1 | 0.16% |
| Lalit Chandivade | 79 | 0.16% | 6 | 0.95% |
| Ben Hutchings | 56 | 0.11% | 1 | 0.16% |
| Anil Gurumurthy | 53 | 0.11% | 2 | 0.32% |
| Bikash Hazarika | 53 | 0.11% | 4 | 0.63% |
| Roman Bolshakov | 37 | 0.07% | 4 | 0.63% |
| Dilip Kumar Uppugandla | 36 | 0.07% | 1 | 0.16% |
| Ravi Anand | 25 | 0.05% | 1 | 0.16% |
| Manish Rangankar | 24 | 0.05% | 2 | 0.32% |
| Kees Cook | 20 | 0.04% | 2 | 0.32% |
| Gleb Chesnokov | 19 | 0.04% | 2 | 0.32% |
| Michael Christie | 16 | 0.03% | 1 | 0.16% |
| Anastasia Kovaleva | 13 | 0.03% | 1 | 0.16% |
| James Smart | 13 | 0.03% | 2 | 0.32% |
| Harish Zunjarrao | 12 | 0.02% | 2 | 0.32% |
| Christoph Hellwig | 12 | 0.02% | 2 | 0.32% |
| Hiral Patel | 12 | 0.02% | 1 | 0.16% |
| Alexei Potashnik | 10 | 0.02% | 3 | 0.47% |
| Bill Kuzeja | 9 | 0.02% | 1 | 0.16% |
| Auke-Jan H Kok | 9 | 0.02% | 1 | 0.16% |
| René Rebe | 9 | 0.02% | 1 | 0.16% |
| Mariusz Kozlowski | 6 | 0.01% | 1 | 0.16% |
| Dmitry Bogdanov | 6 | 0.01% | 1 | 0.16% |
| Julia Lawall | 4 | 0.01% | 1 | 0.16% |
| Azeem Shaikh | 4 | 0.01% | 1 | 0.16% |
| Adrian Bunk | 4 | 0.01% | 3 | 0.47% |
| Alexey Dobriyan | 3 | 0.01% | 1 | 0.16% |
| Thomas Gleixner | 2 | 0.00% | 1 | 0.16% |
| Oleksandr Khoshaba | 2 | 0.00% | 1 | 0.16% |
| Martin Hicks | 2 | 0.00% | 1 | 0.16% |
| Joe Perches | 2 | 0.00% | 1 | 0.16% |
| Jia-Ju Bai | 2 | 0.00% | 1 | 0.16% |
| Linus Torvalds (pre-git) | 2 | 0.00% | 1 | 0.16% |
| Gustavo A. R. Silva | 2 | 0.00% | 1 | 0.16% |
| Jason Yan | 2 | 0.00% | 1 | 0.16% |
| Jon Mason | 2 | 0.00% | 1 | 0.16% |
| Dan Carpenter | 2 | 0.00% | 1 | 0.16% |
| Luis R. Rodriguez | 2 | 0.00% | 1 | 0.16% |
| Mike Waychison | 2 | 0.00% | 1 | 0.16% |
| Chuck Anderson | 1 | 0.00% | 1 | 0.16% |
| Linus Torvalds | 1 | 0.00% | 1 | 0.16% |
| Yannick Guerrini | 1 | 0.00% | 1 | 0.16% |
| Nilesh Javali | 1 | 0.00% | 1 | 0.16% |
| Chen Ni | 1 | 0.00% | 1 | 0.16% |
| Milan P. Gandhi | 1 | 0.00% | 1 | 0.16% |
| Colin Ian King | 1 | 0.00% | 1 | 0.16% |
| Matthias Kaehlcke | 1 | 0.00% | 1 | 0.16% |
| Björn Helgaas | 1 | 0.00% | 1 | 0.16% |
| Total | 50442 | 634 |
// SPDX-License-Identifier: GPL-2.0-only /* * QLogic Fibre Channel HBA Driver * Copyright (c) 2003-2014 QLogic Corporation */ #include "qla_def.h" #include "qla_gbl.h" #include <linux/delay.h> #include <linux/slab.h> #include <linux/vmalloc.h> #include "qla_devtbl.h" #ifdef CONFIG_SPARC #include <asm/prom.h> #endif #include "qla_target.h" /* * QLogic ISP2x00 Hardware Support Function Prototypes. */ static int qla2x00_isp_firmware(scsi_qla_host_t *); static int qla2x00_setup_chip(scsi_qla_host_t *); static int qla2x00_fw_ready(scsi_qla_host_t *); static int qla2x00_configure_hba(scsi_qla_host_t *); static int qla2x00_configure_loop(scsi_qla_host_t *); static int qla2x00_configure_local_loop(scsi_qla_host_t *); static int qla2x00_configure_fabric(scsi_qla_host_t *); static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *); static int qla2x00_restart_isp(scsi_qla_host_t *); static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *); static int qla84xx_init_chip(scsi_qla_host_t *); static int qla25xx_init_queues(struct qla_hw_data *); static void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea); static void qla24xx_handle_prli_done_event(struct scsi_qla_host *, struct event_arg *); static void __qla24xx_handle_gpdb_event(scsi_qla_host_t *, struct event_arg *); /* SRB Extensions ---------------------------------------------------------- */ void qla2x00_sp_timeout(struct timer_list *t) { srb_t *sp = from_timer(sp, t, u.iocb_cmd.timer); struct srb_iocb *iocb; scsi_qla_host_t *vha = sp->vha; WARN_ON(irqs_disabled()); iocb = &sp->u.iocb_cmd; iocb->timeout(sp); /* ref: TMR */ kref_put(&sp->cmd_kref, qla2x00_sp_release); if (vha && qla2x00_isp_reg_stat(vha->hw)) { ql_log(ql_log_info, vha, 0x9008, "PCI/Register disconnect.\n"); qla_pci_set_eeh_busy(vha); } } void qla2x00_sp_free(srb_t *sp) { struct srb_iocb *iocb = &sp->u.iocb_cmd; del_timer(&iocb->timer); qla2x00_rel_sp(sp); } void qla2xxx_rel_done_warning(srb_t *sp, int res) { WARN_ONCE(1, "Calling done() of an already freed srb %p object\n", sp); } void qla2xxx_rel_free_warning(srb_t *sp) { WARN_ONCE(1, "Calling free() of an already freed srb %p object\n", sp); } /* Asynchronous Login/Logout Routines -------------------------------------- */ unsigned long qla2x00_get_async_timeout(struct scsi_qla_host *vha) { unsigned long tmo; struct qla_hw_data *ha = vha->hw; /* Firmware should use switch negotiated r_a_tov for timeout. */ tmo = ha->r_a_tov / 10 * 2; if (IS_QLAFX00(ha)) { tmo = FX00_DEF_RATOV * 2; } else if (!IS_FWI2_CAPABLE(ha)) { /* * Except for earlier ISPs where the timeout is seeded from the * initialization control block. */ tmo = ha->login_timeout; } return tmo; } static void qla24xx_abort_iocb_timeout(void *data) { srb_t *sp = data; struct srb_iocb *abt = &sp->u.iocb_cmd; struct qla_qpair *qpair = sp->qpair; u32 handle; unsigned long flags; int sp_found = 0, cmdsp_found = 0; if (sp->cmd_sp) ql_dbg(ql_dbg_async, sp->vha, 0x507c, "Abort timeout - cmd hdl=%x, cmd type=%x hdl=%x, type=%x\n", sp->cmd_sp->handle, sp->cmd_sp->type, sp->handle, sp->type); else ql_dbg(ql_dbg_async, sp->vha, 0x507c, "Abort timeout 2 - hdl=%x, type=%x\n", sp->handle, sp->type); spin_lock_irqsave(qpair->qp_lock_ptr, flags); for (handle = 1; handle < qpair->req->num_outstanding_cmds; handle++) { if (sp->cmd_sp && (qpair->req->outstanding_cmds[handle] == sp->cmd_sp)) { qpair->req->outstanding_cmds[handle] = NULL; cmdsp_found = 1; qla_put_fw_resources(qpair, &sp->cmd_sp->iores); } /* removing the abort */ if (qpair->req->outstanding_cmds[handle] == sp) { qpair->req->outstanding_cmds[handle] = NULL; sp_found = 1; qla_put_fw_resources(qpair, &sp->iores); break; } } spin_unlock_irqrestore(qpair->qp_lock_ptr, flags); if (cmdsp_found && sp->cmd_sp) { /* * This done function should take care of * original command ref: INIT */ sp->cmd_sp->done(sp->cmd_sp, QLA_OS_TIMER_EXPIRED); } if (sp_found) { abt->u.abt.comp_status = cpu_to_le16(CS_TIMEOUT); sp->done(sp, QLA_OS_TIMER_EXPIRED); } } static void qla24xx_abort_sp_done(srb_t *sp, int res) { struct srb_iocb *abt = &sp->u.iocb_cmd; srb_t *orig_sp = sp->cmd_sp; if (orig_sp) qla_wait_nvme_release_cmd_kref(orig_sp); if (sp->flags & SRB_WAKEUP_ON_COMP) complete(&abt->u.abt.comp); else /* ref: INIT */ kref_put(&sp->cmd_kref, qla2x00_sp_release); } int qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait) { scsi_qla_host_t *vha = cmd_sp->vha; struct srb_iocb *abt_iocb; srb_t *sp; int rval = QLA_FUNCTION_FAILED; /* ref: INIT for ABTS command */ sp = qla2xxx_get_qpair_sp(cmd_sp->vha, cmd_sp->qpair, cmd_sp->fcport, GFP_ATOMIC); if (!sp) return QLA_MEMORY_ALLOC_FAILED; qla_vha_mark_busy(vha); abt_iocb = &sp->u.iocb_cmd; sp->type = SRB_ABT_CMD; sp->name = "abort"; sp->qpair = cmd_sp->qpair; sp->cmd_sp = cmd_sp; if (wait) sp->flags = SRB_WAKEUP_ON_COMP; init_completion(&abt_iocb->u.abt.comp); /* FW can send 2 x ABTS's timeout/20s */ qla2x00_init_async_sp(sp, 42, qla24xx_abort_sp_done); sp->u.iocb_cmd.timeout = qla24xx_abort_iocb_timeout; abt_iocb->u.abt.cmd_hndl = cmd_sp->handle; abt_iocb->u.abt.req_que_no = cpu_to_le16(cmd_sp->qpair->req->id); ql_dbg(ql_dbg_async, vha, 0x507c, "Abort command issued - hdl=%x, type=%x\n", cmd_sp->handle, cmd_sp->type); rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) { /* ref: INIT */ kref_put(&sp->cmd_kref, qla2x00_sp_release); return rval; } if (wait) { wait_for_completion(&abt_iocb->u.abt.comp); rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ? QLA_SUCCESS : QLA_ERR_FROM_FW; /* ref: INIT */ kref_put(&sp->cmd_kref, qla2x00_sp_release); } return rval; } void qla2x00_async_iocb_timeout(void *data) { srb_t *sp = data; fc_port_t *fcport = sp->fcport; struct srb_iocb *lio = &sp->u.iocb_cmd; int rc, h; unsigned long flags; if (fcport) { ql_dbg(ql_dbg_disc, fcport->vha, 0x2071, "Async-%s timeout - hdl=%x portid=%06x %8phC.\n", sp->name, sp->handle, fcport->d_id.b24, fcport->port_name); fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); } else { pr_info("Async-%s timeout - hdl=%x.\n", sp->name, sp->handle); } switch (sp->type) { case SRB_LOGIN_CMD: rc = qla24xx_async_abort_cmd(sp, false); if (rc) { /* Retry as needed. */ lio->u.logio.data[0] = MBS_COMMAND_ERROR; lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? QLA_LOGIO_LOGIN_RETRIED : 0; spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags); for (h = 1; h < sp->qpair->req->num_outstanding_cmds; h++) { if (sp->qpair->req->outstanding_cmds[h] == sp) { sp->qpair->req->outstanding_cmds[h] = NULL; break; } } spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags); sp->done(sp, QLA_FUNCTION_TIMEOUT); } break; case SRB_LOGOUT_CMD: case SRB_CT_PTHRU_CMD: case SRB_MB_IOCB: case SRB_NACK_PLOGI: case SRB_NACK_PRLI: case SRB_NACK_LOGO: case SRB_CTRL_VP: default: rc = qla24xx_async_abort_cmd(sp, false); if (rc) { spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags); for (h = 1; h < sp->qpair->req->num_outstanding_cmds; h++) { if (sp->qpair->req->outstanding_cmds[h] == sp) { sp->qpair->req->outstanding_cmds[h] = NULL; break; } } spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags); sp->done(sp, QLA_FUNCTION_TIMEOUT); } break; } } static void qla2x00_async_login_sp_done(srb_t *sp, int res) { struct scsi_qla_host *vha = sp->vha; struct srb_iocb *lio = &sp->u.iocb_cmd; struct event_arg ea; ql_dbg(ql_dbg_disc, vha, 0x20dd, "%s %8phC res %d \n", __func__, sp->fcport->port_name, res); sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); if (!test_bit(UNLOADING, &vha->dpc_flags)) { memset(&ea, 0, sizeof(ea)); ea.fcport = sp->fcport; ea.data[0] = lio->u.logio.data[0]; ea.data[1] = lio->u.logio.data[1]; ea.iop[0] = lio->u.logio.iop[0]; ea.iop[1] = lio->u.logio.iop[1]; ea.sp = sp; if (res) ea.data[0] = MBS_COMMAND_ERROR; qla24xx_handle_plogi_done_event(vha, &ea); } /* ref: INIT */ kref_put(&sp->cmd_kref, qla2x00_sp_release); } int qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport, uint16_t *data) { srb_t *sp; struct srb_iocb *lio; int rval = QLA_FUNCTION_FAILED; if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT) || fcport->loop_id == FC_NO_LOOP_ID) { ql_log(ql_log_warn, vha, 0xffff, "%s: %8phC - not sending command.\n", __func__, fcport->port_name); return rval; } /* ref: INIT */ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) goto done; qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_PEND); fcport->flags |= FCF_ASYNC_SENT; fcport->logout_completed = 0; sp->type = SRB_LOGIN_CMD; sp->name = "login"; sp->gen1 = fcport->rscn_gen; sp->gen2 = fcport->login_gen; qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, qla2x00_async_login_sp_done); lio = &sp->u.iocb_cmd; if (N2N_TOPO(fcport->vha->hw) && fcport_is_bigger(fcport)) { lio->u.logio.flags |= SRB_LOGIN_PRLI_ONLY; } else { if (vha->hw->flags.edif_enabled && DBELL_ACTIVE(vha)) { lio->u.logio.flags |= (SRB_LOGIN_FCSP | SRB_LOGIN_SKIP_PRLI); } else { lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI; } } if (NVME_TARGET(vha->hw, fcport)) lio->u.logio.flags |= SRB_LOGIN_SKIP_PRLI; rval = qla2x00_start_sp(sp); ql_dbg(ql_dbg_disc, vha, 0x2072, "Async-login - %8phC hdl=%x, loopid=%x portid=%06x retries=%d %s.\n", fcport->port_name, sp->handle, fcport->loop_id, fcport->d_id.b24, fcport->login_retry, lio->u.logio.flags & SRB_LOGIN_FCSP ? "FCSP" : ""); if (rval != QLA_SUCCESS) { fcport->flags |= FCF_LOGIN_NEEDED; set_bit(RELOGIN_NEEDED, &vha->dpc_flags); goto done_free_sp; } return rval; done_free_sp: /* ref: INIT */ kref_put(&sp->cmd_kref, qla2x00_sp_release); fcport->flags &= ~FCF_ASYNC_SENT; done: fcport->flags &= ~FCF_ASYNC_ACTIVE; /* * async login failed. Could be due to iocb/exchange resource * being low. Set state DELETED for re-login process to start again. */ qla2x00_set_fcport_disc_state(fcport, DSC_DELETED); return rval; } static void qla2x00_async_logout_sp_done(srb_t *sp, int res) { sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); sp->fcport->login_gen++; qlt_logo_completion_handler(sp->fcport, sp->u.iocb_cmd.u.logio.data[0]); /* ref: INIT */ kref_put(&sp->cmd_kref, qla2x00_sp_release); } int qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport) { srb_t *sp; int rval = QLA_FUNCTION_FAILED; fcport->flags |= FCF_ASYNC_SENT; /* ref: INIT */ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) goto done; sp->type = SRB_LOGOUT_CMD; sp->name = "logout"; qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, qla2x00_async_logout_sp_done); ql_dbg(ql_dbg_disc, vha, 0x2070, "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x %8phC explicit %d.\n", sp->handle, fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, fcport->port_name, fcport->explicit_logout); rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) goto done_free_sp; return rval; done_free_sp: /* ref: INIT */ kref_put(&sp->cmd_kref, qla2x00_sp_release); done: fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); return rval; } void qla2x00_async_prlo_done(struct scsi_qla_host *vha, fc_port_t *fcport, uint16_t *data) { fcport->flags &= ~FCF_ASYNC_ACTIVE; /* Don't re-login in target mode */ if (!fcport->tgt_session) qla2x00_mark_device_lost(vha, fcport, 1); qlt_logo_completion_handler(fcport, data[0]); } static void qla2x00_async_prlo_sp_done(srb_t *sp, int res) { struct srb_iocb *lio = &sp->u.iocb_cmd; struct scsi_qla_host *vha = sp->vha; sp->fcport->flags &= ~FCF_ASYNC_ACTIVE; if (!test_bit(UNLOADING, &vha->dpc_flags)) qla2x00_post_async_prlo_done_work(sp->fcport->vha, sp->fcport, lio->u.logio.data); /* ref: INIT */ kref_put(&sp->cmd_kref, qla2x00_sp_release); } int qla2x00_async_prlo(struct scsi_qla_host *vha, fc_port_t *fcport) { srb_t *sp; int rval; rval = QLA_FUNCTION_FAILED; /* ref: INIT */ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) goto done; sp->type = SRB_PRLO_CMD; sp->name = "prlo"; qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, qla2x00_async_prlo_sp_done); ql_dbg(ql_dbg_disc, vha, 0x2070, "Async-prlo - hdl=%x loop-id=%x portid=%02x%02x%02x.\n", sp->handle, fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa); rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) goto done_free_sp; return rval; done_free_sp: /* ref: INIT */ kref_put(&sp->cmd_kref, qla2x00_sp_release); done: fcport->flags &= ~FCF_ASYNC_ACTIVE; return rval; } static void qla24xx_handle_adisc_event(scsi_qla_host_t *vha, struct event_arg *ea) { struct fc_port *fcport = ea->fcport; unsigned long flags; ql_dbg(ql_dbg_disc, vha, 0x20d2, "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n", __func__, fcport->port_name, fcport->disc_state, fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2, fcport->rscn_gen, ea->sp->gen1, fcport->loop_id); WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n", ea->data[0]); if (ea->data[0] != MBS_COMMAND_COMPLETE) { ql_dbg(ql_dbg_disc, vha, 0x2066, "%s %8phC: adisc fail: post delete\n", __func__, ea->fcport->port_name); spin_lock_irqsave(&vha->work_lock, flags); /* deleted = 0 & logout_on_delete = force fw cleanup */ if (fcport->deleted == QLA_SESS_DELETED) fcport->deleted = 0; fcport->logout_on_delete = 1; spin_unlock_irqrestore(&vha->work_lock, flags); qlt_schedule_sess_for_deletion(ea->fcport); return; } if (ea->fcport->disc_state == DSC_DELETE_PEND) return; if (ea->sp->gen2 != ea->fcport->login_gen) { /* target side must have changed it. */ ql_dbg(ql_dbg_disc, vha, 0x20d3, "%s %8phC generation changed\n", __func__, ea->fcport->port_name); return; } else if (ea->sp->gen1 != ea->fcport->rscn_gen) { qla_rscn_replay(fcport); qlt_schedule_sess_for_deletion(fcport); return; } __qla24xx_handle_gpdb_event(vha, ea); } static int qla_post_els_plogi_work(struct scsi_qla_host *vha, fc_port_t *fcport) { struct qla_work_evt *e; e = qla2x00_alloc_work(vha, QLA_EVT_ELS_PLOGI); if (!e) return QLA_FUNCTION_FAILED; e->u.fcport.fcport = fcport; fcport->flags |= FCF_ASYNC_ACTIVE; qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_PEND); return qla2x00_post_work(vha, e); } static void qla2x00_async_adisc_sp_done(srb_t *sp, int res) { struct scsi_qla_host *vha = sp->vha; struct event_arg ea; struct srb_iocb *lio = &sp->u.iocb_cmd; ql_dbg(ql_dbg_disc, vha, 0x2066, "Async done-%s res %x %8phC\n", sp->name, res, sp->fcport->port_name); sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); memset(&ea, 0, sizeof(ea)); ea.rc = res; ea.data[0] = lio->u.logio.data[0]; ea.data[1] = lio->u.logio.data[1]; ea.iop[0] = lio->u.logio.iop[0]; ea.iop[1] = lio->u.logio.iop[1]; ea.fcport = sp->fcport; ea.sp = sp; if (res) ea.data[0] = MBS_COMMAND_ERROR; qla24xx_handle_adisc_event(vha, &ea); /* ref: INIT */ kref_put(&sp->cmd_kref, qla2x00_sp_release); } int qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport, uint16_t *data) { srb_t *sp; struct srb_iocb *lio; int rval = QLA_FUNCTION_FAILED; if (IS_SESSION_DELETED(fcport)) { ql_log(ql_log_warn, vha, 0xffff, "%s: %8phC is being delete - not sending command.\n", __func__, fcport->port_name); fcport->flags &= ~FCF_ASYNC_ACTIVE; return rval; } if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT)) return rval; fcport->flags |= FCF_ASYNC_SENT; /* ref: INIT */ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) goto done; sp->type = SRB_ADISC_CMD; sp->name = "adisc"; sp->gen1 = fcport->rscn_gen; sp->gen2 = fcport->login_gen; qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, qla2x00_async_adisc_sp_done); if (data[1] & QLA_LOGIO_LOGIN_RETRIED) { lio = &sp->u.iocb_cmd; lio->u.logio.flags |= SRB_LOGIN_RETRIED; } ql_dbg(ql_dbg_disc, vha, 0x206f, "Async-adisc - hdl=%x loopid=%x portid=%06x %8phC.\n", sp->handle, fcport->loop_id, fcport->d_id.b24, fcport->port_name); rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) goto done_free_sp; return rval; done_free_sp: /* ref: INIT */ kref_put(&sp->cmd_kref, qla2x00_sp_release); done: fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); qla2x00_post_async_adisc_work(vha, fcport, data); return rval; } static bool qla2x00_is_reserved_id(scsi_qla_host_t *vha, uint16_t loop_id) { struct qla_hw_data *ha = vha->hw; if (IS_FWI2_CAPABLE(ha)) return loop_id > NPH_LAST_HANDLE; return (loop_id > ha->max_loop_id && loop_id < SNS_FIRST_LOOP_ID) || loop_id == MANAGEMENT_SERVER || loop_id == BROADCAST; } /** * qla2x00_find_new_loop_id - scan through our port list and find a new usable loop ID * @vha: adapter state pointer. * @dev: port structure pointer. * * Returns: * qla2x00 local function return status code. * * Context: * Kernel context. */ static int qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev) { int rval; struct qla_hw_data *ha = vha->hw; unsigned long flags = 0; rval = QLA_SUCCESS; spin_lock_irqsave(&ha->vport_slock, flags); dev->loop_id = find_first_zero_bit(ha->loop_id_map, LOOPID_MAP_SIZE); if (dev->loop_id >= LOOPID_MAP_SIZE || qla2x00_is_reserved_id(vha, dev->loop_id)) { dev->loop_id = FC_NO_LOOP_ID; rval = QLA_FUNCTION_FAILED; } else { set_bit(dev->loop_id, ha->loop_id_map); } spin_unlock_irqrestore(&ha->vport_slock, flags); if (rval == QLA_SUCCESS) ql_dbg(ql_dbg_disc, dev->vha, 0x2086, "Assigning new loopid=%x, portid=%x.\n", dev->loop_id, dev->d_id.b24); else ql_log(ql_log_warn, dev->vha, 0x2087, "No loop_id's available, portid=%x.\n", dev->d_id.b24); return rval; } void qla2x00_clear_loop_id(fc_port_t *fcport) { struct qla_hw_data *ha = fcport->vha->hw; if (fcport->loop_id == FC_NO_LOOP_ID || qla2x00_is_reserved_id(fcport->vha, fcport->loop_id)) return; clear_bit(fcport->loop_id, ha->loop_id_map); fcport->loop_id = FC_NO_LOOP_ID; } static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha, struct event_arg *ea) { fc_port_t *fcport, *conflict_fcport; struct get_name_list_extended *e; u16 i, n, found = 0, loop_id; port_id_t id; u64 wwn; u16 data[2]; u8 current_login_state, nvme_cls; fcport = ea->fcport; ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %8phC DS %d LS rc %d %d login %d|%d rscn %d|%d lid %d edif %d\n", __func__, fcport->port_name, fcport->disc_state, fcport->fw_login_state, ea->rc, fcport->login_gen, fcport->last_login_gen, fcport->rscn_gen, fcport->last_rscn_gen, vha->loop_id, fcport->edif.enable); if (fcport->disc_state == DSC_DELETE_PEND) return; if (ea->rc) { /* rval */ if (fcport->login_retry == 0) { ql_dbg(ql_dbg_disc, vha, 0x20de, "GNL failed Port login retry %8phN, retry cnt=%d.\n", fcport->port_name, fcport->login_retry); } return; } if (fcport->last_rscn_gen != fcport->rscn_gen) { qla_rscn_replay(fcport); qlt_schedule_sess_for_deletion(fcport); return; } else if (fcport->last_login_gen != fcport->login_gen) { ql_dbg(ql_dbg_disc, vha, 0x20e0, "%s %8phC login gen changed\n", __func__, fcport->port_name); set_bit(RELOGIN_NEEDED, &vha->dpc_flags); return; } n = ea->data[0] / sizeof(struct get_name_list_extended); ql_dbg(ql_dbg_disc, vha, 0x20e1, "%s %d %8phC n %d %02x%02x%02x lid %d \n", __func__, __LINE__, fcport->port_name, n, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, fcport->loop_id); for (i = 0; i < n; i++) { e = &vha->gnl.l[i]; wwn = wwn_to_u64(e->port_name); id.b.domain = e->port_id[2]; id.b.area = e->port_id[1]; id.b.al_pa = e->port_id[0]; id.b.rsvd_1 = 0; if (memcmp((u8 *)&wwn, fcport->port_name, WWN_SIZE)) continue; if (IS_SW_RESV_ADDR(id)) continue; found = 1; loop_id = le16_to_cpu(e->nport_handle); loop_id = (loop_id & 0x7fff); nvme_cls = e->current_login_state >> 4; current_login_state = e->current_login_state & 0xf; if (PRLI_PHASE(nvme_cls)) { current_login_state = nvme_cls; fcport->fc4_type &= ~FS_FC4TYPE_FCP; fcport->fc4_type |= FS_FC4TYPE_NVME; } else if (PRLI_PHASE(current_login_state)) { fcport->fc4_type |= FS_FC4TYPE_FCP; fcport->fc4_type &= ~FS_FC4TYPE_NVME; } ql_dbg(ql_dbg_disc, vha, 0x20e2, "%s found %8phC CLS [%x|%x] fc4_type %d ID[%06x|%06x] lid[%d|%d]\n", __func__, fcport->port_name, e->current_login_state, fcport->fw_login_state, fcport->fc4_type, id.b24, fcport->d_id.b24, loop_id, fcport->loop_id); switch (fcport->disc_state) { case DSC_DELETE_PEND: case DSC_DELETED: break; default: if ((id.b24 != fcport->d_id.b24 && fcport->d_id.b24 && fcport->loop_id != FC_NO_LOOP_ID) || (fcport->loop_id != FC_NO_LOOP_ID && fcport->loop_id != loop_id)) { ql_dbg(ql_dbg_disc, vha, 0x20e3, "%s %d %8phC post del sess\n", __func__, __LINE__, fcport->port_name); if (fcport->n2n_flag) fcport->d_id.b24 = 0; qlt_schedule_sess_for_deletion(fcport); return; } break; } fcport->loop_id = loop_id; if (fcport->n2n_flag) fcport->d_id.b24 = id.b24; wwn = wwn_to_u64(fcport->port_name); qlt_find_sess_invalidate_other(vha, wwn, id, loop_id, &conflict_fcport); if (conflict_fcport) { /* * Another share fcport share the same loop_id & * nport id. Conflict fcport needs to finish * cleanup before this fcport can proceed to login. */ conflict_fcport->conflict = fcport; fcport->login_pause = 1; } switch (vha->hw->current_topology) { default: switch (current_login_state) { case DSC_LS_PRLI_COMP: ql_dbg(ql_dbg_disc, vha, 0x20e4, "%s %d %8phC post gpdb\n", __func__, __LINE__, fcport->port_name); if ((e->prli_svc_param_word_3[0] & BIT_4) == 0) fcport->port_type = FCT_INITIATOR; else fcport->port_type = FCT_TARGET; data[0] = data[1] = 0; qla2x00_post_async_adisc_work(vha, fcport, data); break; case DSC_LS_PLOGI_COMP: if (vha->hw->flags.edif_enabled) { /* check to see if App support Secure */ qla24xx_post_gpdb_work(vha, fcport, 0); break; } fallthrough; case DSC_LS_PORT_UNAVAIL: default: if (fcport->loop_id == FC_NO_LOOP_ID) { qla2x00_find_new_loop_id(vha, fcport); fcport->fw_login_state = DSC_LS_PORT_UNAVAIL; } ql_dbg(ql_dbg_disc, vha, 0x20e5, "%s %d %8phC\n", __func__, __LINE__, fcport->port_name); qla24xx_fcport_handle_login(vha, fcport); break; } break; case ISP_CFG_N: fcport->fw_login_state = current_login_state; fcport->d_id = id; switch (current_login_state) { case DSC_LS_PRLI_PEND: /* * In the middle of PRLI. Let it finish. * Allow relogin code to recheck state again * with GNL. Push disc_state back to DELETED * so GNL can go out again */ qla2x00_set_fcport_disc_state(fcport, DSC_DELETED); set_bit(RELOGIN_NEEDED, &vha->dpc_flags); break; case DSC_LS_PRLI_COMP: if ((e->prli_svc_param_word_3[0] & BIT_4) == 0) fcport->port_type = FCT_INITIATOR; else fcport->port_type = FCT_TARGET; data[0] = data[1] = 0; qla2x00_post_async_adisc_work(vha, fcport, data); break; case DSC_LS_PLOGI_COMP: if (vha->hw->flags.edif_enabled && DBELL_ACTIVE(vha)) { /* check to see if App support secure or not */ qla24xx_post_gpdb_work(vha, fcport, 0); break; } if (fcport_is_bigger(fcport)) { /* local adapter is smaller */ if (fcport->loop_id != FC_NO_LOOP_ID) qla2x00_clear_loop_id(fcport); fcport->loop_id = loop_id; qla24xx_fcport_handle_login(vha, fcport); break; } fallthrough; default: if (fcport_is_smaller(fcport)) { /* local adapter is bigger */ if (fcport->loop_id != FC_NO_LOOP_ID) qla2x00_clear_loop_id(fcport); fcport->loop_id = loop_id; qla24xx_fcport_handle_login(vha, fcport); } break; } break; } /* switch (ha->current_topology) */ } if (!found) { switch (vha->hw->current_topology) { case ISP_CFG_F: case ISP_CFG_FL: for (i = 0; i < n; i++) { e = &vha->gnl.l[i]; id.b.domain = e->port_id[0]; id.b.area = e->port_id[1]; id.b.al_pa = e->port_id[2]; id.b.rsvd_1 = 0; loop_id = le16_to_cpu(e->nport_handle); if (fcport->d_id.b24 == id.b24) { conflict_fcport = qla2x00_find_fcport_by_wwpn(vha, e->port_name, 0); if (conflict_fcport) { ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0x20e5, "%s %d %8phC post del sess\n", __func__, __LINE__, conflict_fcport->port_name); qlt_schedule_sess_for_deletion (conflict_fcport); } } /* * FW already picked this loop id for * another fcport */ if (fcport->loop_id == loop_id) fcport->loop_id = FC_NO_LOOP_ID; } qla24xx_fcport_handle_login(vha, fcport); break; case ISP_CFG_N: qla2x00_set_fcport_disc_state(fcport, DSC_DELETED); if (time_after_eq(jiffies, fcport->dm_login_expire)) { if (fcport->n2n_link_reset_cnt < 2) { fcport->n2n_link_reset_cnt++; /* * remote port is not sending PLOGI. * Reset link to kick start his state * machine */ set_bit(N2N_LINK_RESET, &vha->dpc_flags); } else { if (fcport->n2n_chip_reset < 1) { ql_log(ql_log_info, vha, 0x705d, "Chip reset to bring laser down"); set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); fcport->n2n_chip_reset++; } else { ql_log(ql_log_info, vha, 0x705d, "Remote port %8ph is not coming back\n", fcport->port_name); fcport->scan_state = 0; } } qla2xxx_wake_dpc(vha); } else { /* * report port suppose to do PLOGI. Give him * more time. FW will catch it. */ set_bit(RELOGIN_NEEDED, &vha->dpc_flags); } break; case ISP_CFG_NL: qla24xx_fcport_handle_login(vha, fcport); break; default: break; } } } /* gnl_event */ static void qla24xx_async_gnl_sp_done(srb_t *sp, int res) { struct scsi_qla_host *vha = sp->vha; unsigned long flags; struct fc_port *fcport = NULL, *tf; u16 i, n = 0, loop_id; struct event_arg ea; struct get_name_list_extended *e; u64 wwn; struct list_head h; bool found = false; ql_dbg(ql_dbg_disc, vha, 0x20e7, "Async done-%s res %x mb[1]=%x mb[2]=%x \n", sp->name, res, sp->u.iocb_cmd.u.mbx.in_mb[1], sp->u.iocb_cmd.u.mbx.in_mb[2]); sp->fcport->flags &= ~(FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE); memset(&ea, 0, sizeof(ea)); ea.sp = sp; ea.rc = res; if (sp->u.iocb_cmd.u.mbx.in_mb[1] >= sizeof(struct get_name_list_extended)) { n = sp->u.iocb_cmd.u.mbx.in_mb[1] / sizeof(struct get_name_list_extended); ea.data[0] = sp->u.iocb_cmd.u.mbx.in_mb[1]; /* amnt xfered */ } for (i = 0; i < n; i++) { e = &vha->gnl.l[i]; loop_id = le16_to_cpu(e->nport_handle); /* mask out reserve bit */ loop_id = (loop_id & 0x7fff); set_bit(loop_id, vha->hw->loop_id_map); wwn = wwn_to_u64(e->port_name); ql_dbg(ql_dbg_disc, vha, 0x20e8, "%s %8phC %02x:%02x:%02x CLS %x/%x lid %x \n", __func__, &wwn, e->port_id[2], e->port_id[1], e->port_id[0], e->current_login_state, e->last_login_state, (loop_id & 0x7fff)); } spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); INIT_LIST_HEAD(&h); fcport = tf = NULL; if (!list_empty(&vha->gnl.fcports)) list_splice_init(&vha->gnl.fcports, &h); spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); list_for_each_entry_safe(fcport, tf, &h, gnl_entry) { spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); list_del_init(&fcport->gnl_entry); fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); ea.fcport = fcport; qla24xx_handle_gnl_done_event(vha, &ea); } /* create new fcport if fw has knowledge of new sessions */ for (i = 0; i < n; i++) { port_id_t id; u64 wwnn; e = &vha->gnl.l[i]; wwn = wwn_to_u64(e->port_name); found = false; list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) { if (!memcmp((u8 *)&wwn, fcport->port_name, WWN_SIZE)) { found = true; break; } } id.b.domain = e->port_id[2]; id.b.area = e->port_id[1]; id.b.al_pa = e->port_id[0]; id.b.rsvd_1 = 0; if (!found && wwn && !IS_SW_RESV_ADDR(id)) { ql_dbg(ql_dbg_disc, vha, 0x2065, "%s %d %8phC %06x post new sess\n", __func__, __LINE__, (u8 *)&wwn, id.b24); wwnn = wwn_to_u64(e->node_name); qla24xx_post_newsess_work(vha, &id, (u8 *)&wwn, (u8 *)&wwnn, NULL, 0); } } spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); vha->gnl.sent = 0; if (!list_empty(&vha->gnl.fcports)) { /* retrigger gnl */ list_for_each_entry_safe(fcport, tf, &vha->gnl.fcports, gnl_entry) { list_del_init(&fcport->gnl_entry); fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); if (qla24xx_post_gnl_work(vha, fcport) == QLA_SUCCESS) break; } } spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); /* ref: INIT */ kref_put(&sp->cmd_kref, qla2x00_sp_release); } int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport) { srb_t *sp; int rval = QLA_FUNCTION_FAILED; unsigned long flags; u16 *mb; if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT)) goto done; ql_dbg(ql_dbg_disc, vha, 0x20d9, "Async-gnlist WWPN %8phC \n", fcport->port_name); spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); fcport->flags |= FCF_ASYNC_SENT; qla2x00_set_fcport_disc_state(fcport, DSC_GNL); fcport->last_rscn_gen = fcport->rscn_gen; fcport->last_login_gen = fcport->login_gen; list_add_tail(&fcport->gnl_entry, &vha->gnl.fcports); if (vha->gnl.sent) { spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); return QLA_SUCCESS; } vha->gnl.sent = 1; spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); /* ref: INIT */ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) goto done; sp->type = SRB_MB_IOCB; sp->name = "gnlist"; sp->gen1 = fcport->rscn_gen; sp->gen2 = fcport->login_gen; qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, qla24xx_async_gnl_sp_done); mb = sp->u.iocb_cmd.u.mbx.out_mb; mb[0] = MBC_PORT_NODE_NAME_LIST; mb[1] = BIT_2 | BIT_3; mb[2] = MSW(vha->gnl.ldma); mb[3] = LSW(vha->gnl.ldma); mb[6] = MSW(MSD(vha->gnl.ldma)); mb[7] = LSW(MSD(vha->gnl.ldma)); mb[8] = vha->gnl.size; mb[9] = vha->vp_idx; ql_dbg(ql_dbg_disc, vha, 0x20da, "Async-%s - OUT WWPN %8phC hndl %x\n", sp->name, fcport->port_name, sp->handle); rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) goto done_free_sp; return rval; done_free_sp: /* * use qla24xx_async_gnl_sp_done to purge all pending gnl request. * kref_put is call behind the scene. */ sp->u.iocb_cmd.u.mbx.in_mb[0] = MBS_COMMAND_ERROR; qla24xx_async_gnl_sp_done(sp, QLA_COMMAND_ERROR); fcport->flags &= ~(FCF_ASYNC_SENT); done: fcport->flags &= ~(FCF_ASYNC_ACTIVE); return rval; } int qla24xx_post_gnl_work(struct scsi_qla_host *vha, fc_port_t *fcport) { struct qla_work_evt *e; e = qla2x00_alloc_work(vha, QLA_EVT_GNL); if (!e) return QLA_FUNCTION_FAILED; e->u.fcport.fcport = fcport; fcport->flags |= FCF_ASYNC_ACTIVE; return qla2x00_post_work(vha, e); } static void qla24xx_async_gpdb_sp_done(srb_t *sp, int res) { struct scsi_qla_host *vha = sp->vha; struct qla_hw_data *ha = vha->hw; fc_port_t *fcport = sp->fcport; u16 *mb = sp->u.iocb_cmd.u.mbx.in_mb; struct event_arg ea; ql_dbg(ql_dbg_disc, vha, 0x20db, "Async done-%s res %x, WWPN %8phC mb[1]=%x mb[2]=%x \n", sp->name, res, fcport->port_name, mb[1], mb[2]); fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); if (res == QLA_FUNCTION_TIMEOUT) goto done; memset(&ea, 0, sizeof(ea)); ea.fcport = fcport; ea.sp = sp; qla24xx_handle_gpdb_event(vha, &ea); done: dma_pool_free(ha->s_dma_pool, sp->u.iocb_cmd.u.mbx.in, sp->u.iocb_cmd.u.mbx.in_dma); kref_put(&sp->cmd_kref, qla2x00_sp_release); } int qla24xx_post_prli_work(struct scsi_qla_host *vha, fc_port_t *fcport) { struct qla_work_evt *e; if (vha->host->active_mode == MODE_TARGET) return QLA_FUNCTION_FAILED; e = qla2x00_alloc_work(vha, QLA_EVT_PRLI); if (!e) return QLA_FUNCTION_FAILED; e->u.fcport.fcport = fcport; return qla2x00_post_work(vha, e); } static void qla2x00_async_prli_sp_done(srb_t *sp, int res) { struct scsi_qla_host *vha = sp->vha; struct srb_iocb *lio = &sp->u.iocb_cmd; struct event_arg ea; ql_dbg(ql_dbg_disc, vha, 0x2129, "%s %8phC res %x\n", __func__, sp->fcport->port_name, res); sp->fcport->flags &= ~FCF_ASYNC_SENT; if (!test_bit(UNLOADING, &vha->dpc_flags)) { memset(&ea, 0, sizeof(ea)); ea.fcport = sp->fcport; ea.data[0] = lio->u.logio.data[0]; ea.data[1] = lio->u.logio.data[1]; ea.iop[0] = lio->u.logio.iop[0]; ea.iop[1] = lio->u.logio.iop[1]; ea.sp = sp; if (res == QLA_OS_TIMER_EXPIRED) ea.data[0] = QLA_OS_TIMER_EXPIRED; else if (res) ea.data[0] = MBS_COMMAND_ERROR; qla24xx_handle_prli_done_event(vha, &ea); } kref_put(&sp->cmd_kref, qla2x00_sp_release); } int qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport) { srb_t *sp; struct srb_iocb *lio; int rval = QLA_FUNCTION_FAILED; if (!vha->flags.online) { ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n", __func__, __LINE__, fcport->port_name); return rval; } if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND || fcport->fw_login_state == DSC_LS_PRLI_PEND) && qla_dual_mode_enabled(vha)) { ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n", __func__, __LINE__, fcport->port_name); return rval; } sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) return rval; fcport->flags |= FCF_ASYNC_SENT; fcport->logout_completed = 0; sp->type = SRB_PRLI_CMD; sp->name = "prli"; qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, qla2x00_async_prli_sp_done); lio = &sp->u.iocb_cmd; lio->u.logio.flags = 0; if (NVME_TARGET(vha->hw, fcport)) lio->u.logio.flags |= SRB_LOGIN_NVME_PRLI; ql_dbg(ql_dbg_disc, vha, 0x211b, "Async-prli - %8phC hdl=%x, loopid=%x portid=%06x retries=%d fc4type %x priority %x %s.\n", fcport->port_name, sp->handle, fcport->loop_id, fcport->d_id.b24, fcport->login_retry, fcport->fc4_type, vha->hw->fc4_type_priority, NVME_TARGET(vha->hw, fcport) ? "nvme" : "fcp"); rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) { fcport->flags |= FCF_LOGIN_NEEDED; set_bit(RELOGIN_NEEDED, &vha->dpc_flags); goto done_free_sp; } return rval; done_free_sp: /* ref: INIT */ kref_put(&sp->cmd_kref, qla2x00_sp_release); fcport->flags &= ~FCF_ASYNC_SENT; return rval; } int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt) { struct qla_work_evt *e; e = qla2x00_alloc_work(vha, QLA_EVT_GPDB); if (!e) return QLA_FUNCTION_FAILED; e->u.fcport.fcport = fcport; e->u.fcport.opt = opt; fcport->flags |= FCF_ASYNC_ACTIVE; return qla2x00_post_work(vha, e); } int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt) { srb_t *sp; struct srb_iocb *mbx; int rval = QLA_FUNCTION_FAILED; u16 *mb; dma_addr_t pd_dma; struct port_database_24xx *pd; struct qla_hw_data *ha = vha->hw; if (IS_SESSION_DELETED(fcport)) { ql_log(ql_log_warn, vha, 0xffff, "%s: %8phC is being delete - not sending command.\n", __func__, fcport->port_name); fcport->flags &= ~FCF_ASYNC_ACTIVE; return rval; } if (!vha->flags.online || fcport->flags & FCF_ASYNC_SENT) { ql_log(ql_log_warn, vha, 0xffff, "%s: %8phC online %d flags %x - not sending command.\n", __func__, fcport->port_name, vha->flags.online, fcport->flags); goto done; } sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) goto done; qla2x00_set_fcport_disc_state(fcport, DSC_GPDB); fcport->flags |= FCF_ASYNC_SENT; sp->type = SRB_MB_IOCB; sp->name = "gpdb"; sp->gen1 = fcport->rscn_gen; sp->gen2 = fcport->login_gen; qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, qla24xx_async_gpdb_sp_done); pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma); if (pd == NULL) { ql_log(ql_log_warn, vha, 0xd043, "Failed to allocate port database structure.\n"); goto done_free_sp; } mb = sp->u.iocb_cmd.u.mbx.out_mb; mb[0] = MBC_GET_PORT_DATABASE; mb[1] = fcport->loop_id; mb[2] = MSW(pd_dma); mb[3] = LSW(pd_dma); mb[6] = MSW(MSD(pd_dma)); mb[7] = LSW(MSD(pd_dma)); mb[9] = vha->vp_idx; mb[10] = opt; mbx = &sp->u.iocb_cmd; mbx->u.mbx.in = (void *)pd; mbx->u.mbx.in_dma = pd_dma; ql_dbg(ql_dbg_disc, vha, 0x20dc, "Async-%s %8phC hndl %x opt %x\n", sp->name, fcport->port_name, sp->handle, opt); rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) goto done_free_sp; return rval; done_free_sp: if (pd) dma_pool_free(ha->s_dma_pool, pd, pd_dma); kref_put(&sp->cmd_kref, qla2x00_sp_release); fcport->flags &= ~FCF_ASYNC_SENT; done: fcport->flags &= ~FCF_ASYNC_ACTIVE; qla24xx_post_gpdb_work(vha, fcport, opt); return rval; } static void __qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea) { unsigned long flags; spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); ea->fcport->login_gen++; ea->fcport->logout_on_delete = 1; if (!ea->fcport->login_succ && !IS_SW_RESV_ADDR(ea->fcport->d_id)) { vha->fcport_count++; ea->fcport->login_succ = 1; spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); qla24xx_sched_upd_fcport(ea->fcport); spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); } else if (ea->fcport->login_succ) { /* * We have an existing session. A late RSCN delivery * must have triggered the session to be re-validate. * Session is still valid. */ ql_dbg(ql_dbg_disc, vha, 0x20d6, "%s %d %8phC session revalidate success\n", __func__, __LINE__, ea->fcport->port_name); qla2x00_set_fcport_disc_state(ea->fcport, DSC_LOGIN_COMPLETE); } spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); } static int qla_chk_secure_login(scsi_qla_host_t *vha, fc_port_t *fcport, struct port_database_24xx *pd) { int rc = 0; if (pd->secure_login) { ql_dbg(ql_dbg_disc, vha, 0x104d, "Secure Login established on %8phC\n", fcport->port_name); fcport->flags |= FCF_FCSP_DEVICE; } else { ql_dbg(ql_dbg_disc, vha, 0x104d, "non-Secure Login %8phC", fcport->port_name); fcport->flags &= ~FCF_FCSP_DEVICE; } if (vha->hw->flags.edif_enabled) { if (fcport->flags & FCF_FCSP_DEVICE) { qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_AUTH_PEND); /* Start edif prli timer & ring doorbell for app */ fcport->edif.rx_sa_set = 0; fcport->edif.tx_sa_set = 0; fcport->edif.rx_sa_pending = 0; fcport->edif.tx_sa_pending = 0; qla2x00_post_aen_work(vha, FCH_EVT_PORT_ONLINE, fcport->d_id.b24); if (DBELL_ACTIVE(vha)) { ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %d %8phC EDIF: post DB_AUTH: AUTH needed\n", __func__, __LINE__, fcport->port_name); fcport->edif.app_sess_online = 1; qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_NEEDED, fcport->d_id.b24, 0, fcport); } rc = 1; } else if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha)) { ql_dbg(ql_dbg_disc, vha, 0x2117, "%s %d %8phC post prli\n", __func__, __LINE__, fcport->port_name); qla24xx_post_prli_work(vha, fcport); rc = 1; } } return rc; } static void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea) { fc_port_t *fcport = ea->fcport; struct port_database_24xx *pd; struct srb *sp = ea->sp; uint8_t ls; pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in; fcport->flags &= ~FCF_ASYNC_SENT; ql_dbg(ql_dbg_disc, vha, 0x20d2, "%s %8phC DS %d LS %x fc4_type %x rc %x\n", __func__, fcport->port_name, fcport->disc_state, pd->current_login_state, fcport->fc4_type, ea->rc); if (fcport->disc_state == DSC_DELETE_PEND) { ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC\n", __func__, __LINE__, fcport->port_name); return; } if (NVME_TARGET(vha->hw, fcport)) ls = pd->current_login_state >> 4; else ls = pd->current_login_state & 0xf; if (ea->sp->gen2 != fcport->login_gen) { /* target side must have changed it. */ ql_dbg(ql_dbg_disc, vha, 0x20d3, "%s %8phC generation changed\n", __func__, fcport->port_name); return; } else if (ea->sp->gen1 != fcport->rscn_gen) { qla_rscn_replay(fcport); qlt_schedule_sess_for_deletion(fcport); ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC, ls %x\n", __func__, __LINE__, fcport->port_name, ls); return; } switch (ls) { case PDS_PRLI_COMPLETE: __qla24xx_parse_gpdb(vha, fcport, pd); break; case PDS_PLOGI_COMPLETE: if (qla_chk_secure_login(vha, fcport, pd)) { ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC, ls %x\n", __func__, __LINE__, fcport->port_name, ls); return; } fallthrough; case PDS_PLOGI_PENDING: case PDS_PRLI_PENDING: case PDS_PRLI2_PENDING: /* Set discovery state back to GNL to Relogin attempt */ if (qla_dual_mode_enabled(vha) || qla_ini_mode_enabled(vha)) { qla2x00_set_fcport_disc_state(fcport, DSC_GNL); set_bit(RELOGIN_NEEDED, &vha->dpc_flags); } ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC, ls %x\n", __func__, __LINE__, fcport->port_name, ls); return; case PDS_LOGO_PENDING: case PDS_PORT_UNAVAILABLE: default: ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC post del sess\n", __func__, __LINE__, fcport->port_name); qlt_schedule_sess_for_deletion(fcport); return; } __qla24xx_handle_gpdb_event(vha, ea); } /* gpdb event */ static void qla_chk_n2n_b4_login(struct scsi_qla_host *vha, fc_port_t *fcport) { u8 login = 0; int rc; ql_dbg(ql_dbg_disc, vha, 0x307b, "%s %8phC DS %d LS %d lid %d retries=%d\n", __func__, fcport->port_name, fcport->disc_state, fcport->fw_login_state, fcport->loop_id, fcport->login_retry); if (qla_tgt_mode_enabled(vha)) return; if (qla_dual_mode_enabled(vha)) { if (N2N_TOPO(vha->hw)) { u64 mywwn, wwn; mywwn = wwn_to_u64(vha->port_name); wwn = wwn_to_u64(fcport->port_name); if (mywwn > wwn) login = 1; else if ((fcport->fw_login_state == DSC_LS_PLOGI_COMP) && time_after_eq(jiffies, fcport->plogi_nack_done_deadline)) login = 1; } else { login = 1; } } else { /* initiator mode */ login = 1; } if (login && fcport->login_retry) { fcport->login_retry--; if (fcport->loop_id == FC_NO_LOOP_ID) { fcport->fw_login_state = DSC_LS_PORT_UNAVAIL; rc = qla2x00_find_new_loop_id(vha, fcport); if (rc) { ql_dbg(ql_dbg_disc, vha, 0x20e6, "%s %d %8phC post del sess - out of loopid\n", __func__, __LINE__, fcport->port_name); fcport->scan_state = 0; qlt_schedule_sess_for_deletion(fcport); return; } } ql_dbg(ql_dbg_disc, vha, 0x20bf, "%s %d %8phC post login\n", __func__, __LINE__, fcport->port_name); qla2x00_post_async_login_work(vha, fcport, NULL); } } int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport) { u16 data[2]; u16 sec; ql_dbg(ql_dbg_disc, vha, 0x20d8, "%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d lid %d scan %d fc4type %x\n", __func__, fcport->port_name, fcport->disc_state, fcport->fw_login_state, fcport->login_pause, fcport->flags, fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen, fcport->login_gen, fcport->loop_id, fcport->scan_state, fcport->fc4_type); if (fcport->scan_state != QLA_FCPORT_FOUND || fcport->disc_state == DSC_DELETE_PEND) return 0; if ((fcport->loop_id != FC_NO_LOOP_ID) && qla_dual_mode_enabled(vha) && ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) || (fcport->fw_login_state == DSC_LS_PRLI_PEND))) return 0; if (fcport->fw_login_state == DSC_LS_PLOGI_COMP && !N2N_TOPO(vha->hw)) { if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) { set_bit(RELOGIN_NEEDED, &vha->dpc_flags); return 0; } } /* Target won't initiate port login if fabric is present */ if (vha->host->active_mode == MODE_TARGET && !N2N_TOPO(vha->hw)) return 0; if (fcport->flags & (FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE)) { set_bit(RELOGIN_NEEDED, &vha->dpc_flags); return 0; } switch (fcport->disc_state) { case DSC_DELETED: switch (vha->hw->current_topology) { case ISP_CFG_N: if (fcport_is_smaller(fcport)) { /* this adapter is bigger */ if (fcport->login_retry) { if (fcport->loop_id == FC_NO_LOOP_ID) { qla2x00_find_new_loop_id(vha, fcport); fcport->fw_login_state = DSC_LS_PORT_UNAVAIL; } fcport->login_retry--; qla_post_els_plogi_work(vha, fcport); } else { ql_log(ql_log_info, vha, 0x705d, "Unable to reach remote port %8phC", fcport->port_name); } } else { qla24xx_post_gnl_work(vha, fcport); } break; default: if (fcport->loop_id == FC_NO_LOOP_ID) { ql_dbg(ql_dbg_disc, vha, 0x20bd, "%s %d %8phC post gnl\n", __func__, __LINE__, fcport->port_name); qla24xx_post_gnl_work(vha, fcport); } else { qla_chk_n2n_b4_login(vha, fcport); } break; } break; case DSC_GNL: switch (vha->hw->current_topology) { case ISP_CFG_N: if ((fcport->current_login_state & 0xf) == 0x6) { ql_dbg(ql_dbg_disc, vha, 0x2118, "%s %d %8phC post GPDB work\n", __func__, __LINE__, fcport->port_name); fcport->chip_reset = vha->hw->base_qpair->chip_reset; qla24xx_post_gpdb_work(vha, fcport, 0); } else { ql_dbg(ql_dbg_disc, vha, 0x2118, "%s %d %8phC post %s PRLI\n", __func__, __LINE__, fcport->port_name, NVME_TARGET(vha->hw, fcport) ? "NVME" : "FC"); qla24xx_post_prli_work(vha, fcport); } break; default: if (fcport->login_pause) { ql_dbg(ql_dbg_disc, vha, 0x20d8, "%s %d %8phC exit\n", __func__, __LINE__, fcport->port_name); fcport->last_rscn_gen = fcport->rscn_gen; fcport->last_login_gen = fcport->login_gen; set_bit(RELOGIN_NEEDED, &vha->dpc_flags); break; } qla_chk_n2n_b4_login(vha, fcport); break; } break; case DSC_LOGIN_FAILED: if (N2N_TOPO(vha->hw)) qla_chk_n2n_b4_login(vha, fcport); else qlt_schedule_sess_for_deletion(fcport); break; case DSC_LOGIN_COMPLETE: /* recheck login state */ data[0] = data[1] = 0; qla2x00_post_async_adisc_work(vha, fcport, data); break; case DSC_LOGIN_PEND: if (vha->hw->flags.edif_enabled) break; if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) { ql_dbg(ql_dbg_disc, vha, 0x2118, "%s %d %8phC post %s PRLI\n", __func__, __LINE__, fcport->port_name, NVME_TARGET(vha->hw, fcport) ? "NVME" : "FC"); qla24xx_post_prli_work(vha, fcport); } break; case DSC_UPD_FCPORT: sec = jiffies_to_msecs(jiffies - fcport->jiffies_at_registration)/1000; if (fcport->sec_since_registration < sec && sec && !(sec % 60)) { fcport->sec_since_registration = sec; ql_dbg(ql_dbg_disc, fcport->vha, 0xffff, "%s %8phC - Slow Rport registration(%d Sec)\n", __func__, fcport->port_name, sec); } if (fcport->next_disc_state != DSC_DELETE_PEND) fcport->next_disc_state = DSC_ADISC; set_bit(RELOGIN_NEEDED, &vha->dpc_flags); break; default: break; } return 0; } int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id, u8 *port_name, u8 *node_name, void *pla, u8 fc4_type) { struct qla_work_evt *e; e = qla2x00_alloc_work(vha, QLA_EVT_NEW_SESS); if (!e) return QLA_FUNCTION_FAILED; e->u.new_sess.id = *id; e->u.new_sess.pla = pla; e->u.new_sess.fc4_type = fc4_type; memcpy(e->u.new_sess.port_name, port_name, WWN_SIZE); if (node_name) memcpy(e->u.new_sess.node_name, node_name, WWN_SIZE); return qla2x00_post_work(vha, e); } static void qla_rscn_gen_tick(scsi_qla_host_t *vha, u32 *ret_rscn_gen) { *ret_rscn_gen = atomic_inc_return(&vha->rscn_gen); /* memory barrier */ wmb(); } void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea) { fc_port_t *fcport; unsigned long flags; u32 rscn_gen; switch (ea->id.b.rsvd_1) { case RSCN_PORT_ADDR: fcport = qla2x00_find_fcport_by_nportid(vha, &ea->id, 1); if (fcport) { if (ql2xfc2target && fcport->flags & FCF_FCP2_DEVICE && atomic_read(&fcport->state) == FCS_ONLINE) { ql_dbg(ql_dbg_disc, vha, 0x2115, "Delaying session delete for FCP2 portid=%06x %8phC ", fcport->d_id.b24, fcport->port_name); return; } if (vha->hw->flags.edif_enabled && DBELL_ACTIVE(vha)) { /* * On ipsec start by remote port, Target port * may use RSCN to trigger initiator to * relogin. If driver is already in the * process of a relogin, then ignore the RSCN * and allow the current relogin to continue. * This reduces thrashing of the connection. */ if (atomic_read(&fcport->state) == FCS_ONLINE) { /* * If state = online, then set scan_needed=1 to do relogin. * Otherwise we're already in the middle of a relogin */ fcport->scan_needed = 1; qla_rscn_gen_tick(vha, &fcport->rscn_gen); } } else { fcport->scan_needed = 1; qla_rscn_gen_tick(vha, &fcport->rscn_gen); } } break; case RSCN_AREA_ADDR: qla_rscn_gen_tick(vha, &rscn_gen); list_for_each_entry(fcport, &vha->vp_fcports, list) { if (fcport->flags & FCF_FCP2_DEVICE && atomic_read(&fcport->state) == FCS_ONLINE) continue; if ((ea->id.b24 & 0xffff00) == (fcport->d_id.b24 & 0xffff00)) { fcport->scan_needed = 1; fcport->rscn_gen = rscn_gen; } } break; case RSCN_DOM_ADDR: qla_rscn_gen_tick(vha, &rscn_gen); list_for_each_entry(fcport, &vha->vp_fcports, list) { if (fcport->flags & FCF_FCP2_DEVICE && atomic_read(&fcport->state) == FCS_ONLINE) continue; if ((ea->id.b24 & 0xff0000) == (fcport->d_id.b24 & 0xff0000)) { fcport->scan_needed = 1; fcport->rscn_gen = rscn_gen; } } break; case RSCN_FAB_ADDR: default: qla_rscn_gen_tick(vha, &rscn_gen); list_for_each_entry(fcport, &vha->vp_fcports, list) { if (fcport->flags & FCF_FCP2_DEVICE && atomic_read(&fcport->state) == FCS_ONLINE) continue; fcport->scan_needed = 1; fcport->rscn_gen = rscn_gen; } break; } spin_lock_irqsave(&vha->work_lock, flags); if (vha->scan.scan_flags == 0) { ql_dbg(ql_dbg_disc, vha, 0xffff, "%s: schedule\n", __func__); vha->scan.scan_flags |= SF_QUEUED; vha->scan.rscn_gen_start = atomic_read(&vha->rscn_gen); schedule_delayed_work(&vha->scan.scan_work, 5); } spin_unlock_irqrestore(&vha->work_lock, flags); } void qla24xx_handle_relogin_event(scsi_qla_host_t *vha, struct event_arg *ea) { fc_port_t *fcport = ea->fcport; if (test_bit(UNLOADING, &vha->dpc_flags)) return; ql_dbg(ql_dbg_disc, vha, 0x2102, "%s %8phC DS %d LS %d P %d del %d cnfl %p rscn %d|%d login %d|%d fl %x\n", __func__, fcport->port_name, fcport->disc_state, fcport->fw_login_state, fcport->login_pause, fcport->deleted, fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen, fcport->last_login_gen, fcport->login_gen, fcport->flags); if (fcport->last_rscn_gen != fcport->rscn_gen) { ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gnl\n", __func__, __LINE__, fcport->port_name); qla24xx_post_gnl_work(vha, fcport); return; } qla24xx_fcport_handle_login(vha, fcport); } void qla_handle_els_plogi_done(scsi_qla_host_t *vha, struct event_arg *ea) { if (N2N_TOPO(vha->hw) && fcport_is_smaller(ea->fcport) && vha->hw->flags.edif_enabled) { /* check to see if App support Secure */ qla24xx_post_gpdb_work(vha, ea->fcport, 0); return; } /* for pure Target Mode, PRLI will not be initiated */ if (vha->host->active_mode == MODE_TARGET) return; ql_dbg(ql_dbg_disc, vha, 0x2118, "%s %d %8phC post PRLI\n", __func__, __LINE__, ea->fcport->port_name); qla24xx_post_prli_work(vha, ea->fcport); } /* * RSCN(s) came in for this fcport, but the RSCN(s) was not able * to be consumed by the fcport */ void qla_rscn_replay(fc_port_t *fcport) { struct event_arg ea; switch (fcport->disc_state) { case DSC_DELETE_PEND: return; default: break; } if (fcport->scan_needed) { memset(&ea, 0, sizeof(ea)); ea.id = fcport->d_id; ea.id.b.rsvd_1 = RSCN_PORT_ADDR; qla2x00_handle_rscn(fcport->vha, &ea); } } static void qla2x00_tmf_iocb_timeout(void *data) { srb_t *sp = data; struct srb_iocb *tmf = &sp->u.iocb_cmd; int rc, h; unsigned long flags; if (sp->type == SRB_MARKER) rc = QLA_FUNCTION_FAILED; else rc = qla24xx_async_abort_cmd(sp, false); if (rc) { spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags); for (h = 1; h < sp->qpair->req->num_outstanding_cmds; h++) { if (sp->qpair->req->outstanding_cmds[h] == sp) { sp->qpair->req->outstanding_cmds[h] = NULL; qla_put_fw_resources(sp->qpair, &sp->iores); break; } } spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags); tmf->u.tmf.comp_status = cpu_to_le16(CS_TIMEOUT); tmf->u.tmf.data = QLA_FUNCTION_FAILED; complete(&tmf->u.tmf.comp); } } static void qla_marker_sp_done(srb_t *sp, int res) { struct srb_iocb *tmf = &sp->u.iocb_cmd; if (res != QLA_SUCCESS) ql_dbg(ql_dbg_taskm, sp->vha, 0x8004, "Async-marker fail hdl=%x portid=%06x ctrl=%x lun=%lld qp=%d.\n", sp->handle, sp->fcport->d_id.b24, sp->u.iocb_cmd.u.tmf.flags, sp->u.iocb_cmd.u.tmf.lun, sp->qpair->id); sp->u.iocb_cmd.u.tmf.data = res; complete(&tmf->u.tmf.comp); } #define START_SP_W_RETRIES(_sp, _rval, _chip_gen, _login_gen) \ {\ int cnt = 5; \ do { \ if (_chip_gen != sp->vha->hw->chip_reset || _login_gen != sp->fcport->login_gen) {\ _rval = EINVAL; \ break; \ } \ _rval = qla2x00_start_sp(_sp); \ if (_rval == EAGAIN) \ msleep(1); \ else \ break; \ cnt--; \ } while (cnt); \ } /** * qla26xx_marker: send marker IOCB and wait for the completion of it. * @arg: pointer to argument list. * It is assume caller will provide an fcport pointer and modifier */ static int qla26xx_marker(struct tmf_arg *arg) { struct scsi_qla_host *vha = arg->vha; struct srb_iocb *tm_iocb; srb_t *sp; int rval = QLA_FUNCTION_FAILED; fc_port_t *fcport = arg->fcport; u32 chip_gen, login_gen; if (TMF_NOT_READY(arg->fcport)) { ql_dbg(ql_dbg_taskm, vha, 0x8039, "FC port not ready for marker loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d.\n", fcport->loop_id, fcport->d_id.b24, arg->modifier, arg->lun, arg->qpair->id); return QLA_SUSPENDED; } chip_gen = vha->hw->chip_reset; login_gen = fcport->login_gen; /* ref: INIT */ sp = qla2xxx_get_qpair_sp(vha, arg->qpair, fcport, GFP_KERNEL); if (!sp) goto done; sp->type = SRB_MARKER; sp->name = "marker"; qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha), qla_marker_sp_done); sp->u.iocb_cmd.timeout = qla2x00_tmf_iocb_timeout; tm_iocb = &sp->u.iocb_cmd; init_completion(&tm_iocb->u.tmf.comp); tm_iocb->u.tmf.modifier = arg->modifier; tm_iocb->u.tmf.lun = arg->lun; tm_iocb->u.tmf.loop_id = fcport->loop_id; tm_iocb->u.tmf.vp_index = vha->vp_idx; START_SP_W_RETRIES(sp, rval, chip_gen, login_gen); ql_dbg(ql_dbg_taskm, vha, 0x8006, "Async-marker hdl=%x loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d rval %d.\n", sp->handle, fcport->loop_id, fcport->d_id.b24, arg->modifier, arg->lun, sp->qpair->id, rval); if (rval != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x8031, "Marker IOCB send failure (%x).\n", rval); goto done_free_sp; } wait_for_completion(&tm_iocb->u.tmf.comp); rval = tm_iocb->u.tmf.data; if (rval != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x8019, "Marker failed hdl=%x loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d rval %d.\n", sp->handle, fcport->loop_id, fcport->d_id.b24, arg->modifier, arg->lun, sp->qpair->id, rval); } done_free_sp: /* ref: INIT */ kref_put(&sp->cmd_kref, qla2x00_sp_release); done: return rval; } static void qla2x00_tmf_sp_done(srb_t *sp, int res) { struct srb_iocb *tmf = &sp->u.iocb_cmd; if (res) tmf->u.tmf.data = res; complete(&tmf->u.tmf.comp); } static int qla_tmf_wait(struct tmf_arg *arg) { /* there are only 2 types of error handling that reaches here, lun or target reset */ if (arg->flags & (TCF_LUN_RESET | TCF_ABORT_TASK_SET | TCF_CLEAR_TASK_SET)) return qla2x00_eh_wait_for_pending_commands(arg->vha, arg->fcport->d_id.b24, arg->lun, WAIT_LUN); else return qla2x00_eh_wait_for_pending_commands(arg->vha, arg->fcport->d_id.b24, arg->lun, WAIT_TARGET); } static int __qla2x00_async_tm_cmd(struct tmf_arg *arg) { struct scsi_qla_host *vha = arg->vha; struct srb_iocb *tm_iocb; srb_t *sp; int rval = QLA_FUNCTION_FAILED; fc_port_t *fcport = arg->fcport; u32 chip_gen, login_gen; u64 jif; if (TMF_NOT_READY(arg->fcport)) { ql_dbg(ql_dbg_taskm, vha, 0x8032, "FC port not ready for TM command loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d.\n", fcport->loop_id, fcport->d_id.b24, arg->modifier, arg->lun, arg->qpair->id); return QLA_SUSPENDED; } chip_gen = vha->hw->chip_reset; login_gen = fcport->login_gen; /* ref: INIT */ sp = qla2xxx_get_qpair_sp(vha, arg->qpair, fcport, GFP_KERNEL); if (!sp) goto done; qla_vha_mark_busy(vha); sp->type = SRB_TM_CMD; sp->name = "tmf"; qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha), qla2x00_tmf_sp_done); sp->u.iocb_cmd.timeout = qla2x00_tmf_iocb_timeout; tm_iocb = &sp->u.iocb_cmd; init_completion(&tm_iocb->u.tmf.comp); tm_iocb->u.tmf.flags = arg->flags; tm_iocb->u.tmf.lun = arg->lun; START_SP_W_RETRIES(sp, rval, chip_gen, login_gen); ql_dbg(ql_dbg_taskm, vha, 0x802f, "Async-tmf hdl=%x loop-id=%x portid=%06x ctrl=%x lun=%lld qp=%d rval=%x.\n", sp->handle, fcport->loop_id, fcport->d_id.b24, arg->flags, arg->lun, sp->qpair->id, rval); if (rval != QLA_SUCCESS) goto done_free_sp; wait_for_completion(&tm_iocb->u.tmf.comp); rval = tm_iocb->u.tmf.data; if (rval != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x8030, "TM IOCB failed (%x).\n", rval); } if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) { jif = jiffies; if (qla_tmf_wait(arg)) { ql_log(ql_log_info, vha, 0x803e, "Waited %u ms Nexus=%ld:%06x:%llu.\n", jiffies_to_msecs(jiffies - jif), vha->host_no, fcport->d_id.b24, arg->lun); } if (chip_gen == vha->hw->chip_reset && login_gen == fcport->login_gen) { rval = qla26xx_marker(arg); } else { ql_log(ql_log_info, vha, 0x803e, "Skip Marker due to disruption. Nexus=%ld:%06x:%llu.\n", vha->host_no, fcport->d_id.b24, arg->lun); rval = QLA_FUNCTION_FAILED; } } if (tm_iocb->u.tmf.data) rval = tm_iocb->u.tmf.data; done_free_sp: /* ref: INIT */ kref_put(&sp->cmd_kref, qla2x00_sp_release); done: return rval; } static void qla_put_tmf(struct tmf_arg *arg) { struct scsi_qla_host *vha = arg->vha; struct qla_hw_data *ha = vha->hw; unsigned long flags; spin_lock_irqsave(&ha->tgt.sess_lock, flags); ha->active_tmf--; list_del(&arg->tmf_elem); spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); } static int qla_get_tmf(struct tmf_arg *arg) { struct scsi_qla_host *vha = arg->vha; struct qla_hw_data *ha = vha->hw; unsigned long flags; fc_port_t *fcport = arg->fcport; int rc = 0; struct tmf_arg *t; spin_lock_irqsave(&ha->tgt.sess_lock, flags); list_for_each_entry(t, &ha->tmf_active, tmf_elem) { if (t->fcport == arg->fcport && t->lun == arg->lun) { /* reject duplicate TMF */ ql_log(ql_log_warn, vha, 0x802c, "found duplicate TMF. Nexus=%ld:%06x:%llu.\n", vha->host_no, fcport->d_id.b24, arg->lun); spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); return -EINVAL; } } list_add_tail(&arg->tmf_elem, &ha->tmf_pending); while (ha->active_tmf >= MAX_ACTIVE_TMF) { spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); msleep(1); spin_lock_irqsave(&ha->tgt.sess_lock, flags); if (TMF_NOT_READY(fcport)) { ql_log(ql_log_warn, vha, 0x802c, "Unable to acquire TM resource due to disruption.\n"); rc = EIO; break; } if (ha->active_tmf < MAX_ACTIVE_TMF && list_is_first(&arg->tmf_elem, &ha->tmf_pending)) break; } list_del(&arg->tmf_elem); if (!rc) { ha->active_tmf++; list_add_tail(&arg->tmf_elem, &ha->tmf_active); } spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); return rc; } int qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint64_t lun, uint32_t tag) { struct scsi_qla_host *vha = fcport->vha; struct tmf_arg a; int rval = QLA_SUCCESS; if (TMF_NOT_READY(fcport)) return QLA_SUSPENDED; a.vha = fcport->vha; a.fcport = fcport; a.lun = lun; a.flags = flags; INIT_LIST_HEAD(&a.tmf_elem); if (flags & (TCF_LUN_RESET|TCF_ABORT_TASK_SET|TCF_CLEAR_TASK_SET|TCF_CLEAR_ACA)) { a.modifier = MK_SYNC_ID_LUN; } else { a.modifier = MK_SYNC_ID; } if (qla_get_tmf(&a)) return QLA_FUNCTION_FAILED; a.qpair = vha->hw->base_qpair; rval = __qla2x00_async_tm_cmd(&a); qla_put_tmf(&a); return rval; } int qla24xx_async_abort_command(srb_t *sp) { unsigned long flags = 0; uint32_t handle; fc_port_t *fcport = sp->fcport; struct qla_qpair *qpair = sp->qpair; struct scsi_qla_host *vha = fcport->vha; struct req_que *req = qpair->req; spin_lock_irqsave(qpair->qp_lock_ptr, flags); for (handle = 1; handle < req->num_outstanding_cmds; handle++) { if (req->outstanding_cmds[handle] == sp) break; } spin_unlock_irqrestore(qpair->qp_lock_ptr, flags); if (handle == req->num_outstanding_cmds) { /* Command not found. */ return QLA_ERR_NOT_FOUND; } if (sp->type == SRB_FXIOCB_DCMD) return qlafx00_fx_disc(vha, &vha->hw->mr.fcport, FXDISC_ABORT_IOCTL); return qla24xx_async_abort_cmd(sp, true); } static void qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea) { struct srb *sp; WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n", ea->data[0]); switch (ea->data[0]) { case MBS_COMMAND_COMPLETE: ql_dbg(ql_dbg_disc, vha, 0x2118, "%s %d %8phC post gpdb\n", __func__, __LINE__, ea->fcport->port_name); ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset; ea->fcport->logout_on_delete = 1; ea->fcport->nvme_prli_service_param = ea->iop[0]; if (ea->iop[0] & NVME_PRLI_SP_FIRST_BURST) ea->fcport->nvme_first_burst_size = (ea->iop[1] & 0xffff) * 512; else ea->fcport->nvme_first_burst_size = 0; qla24xx_post_gpdb_work(vha, ea->fcport, 0); break; default: sp = ea->sp; ql_dbg(ql_dbg_disc, vha, 0x2118, "%s %d %8phC priority %s, fc4type %x prev try %s\n", __func__, __LINE__, ea->fcport->port_name, vha->hw->fc4_type_priority == FC4_PRIORITY_FCP ? "FCP" : "NVMe", ea->fcport->fc4_type, (sp->u.iocb_cmd.u.logio.flags & SRB_LOGIN_NVME_PRLI) ? "NVME" : "FCP"); if (NVME_FCP_TARGET(ea->fcport)) { if (sp->u.iocb_cmd.u.logio.flags & SRB_LOGIN_NVME_PRLI) ea->fcport->do_prli_nvme = 0; else ea->fcport->do_prli_nvme = 1; } else { ea->fcport->do_prli_nvme = 0; } if (N2N_TOPO(vha->hw)) { if (ea->fcport->n2n_link_reset_cnt == vha->hw->login_retry_count && ea->fcport->flags & FCF_FCSP_DEVICE) { /* remote authentication app just started */ ea->fcport->n2n_link_reset_cnt = 0; } if (ea->fcport->n2n_link_reset_cnt < vha->hw->login_retry_count) { ea->fcport->n2n_link_reset_cnt++; vha->relogin_jif = jiffies + 2 * HZ; /* * PRLI failed. Reset link to kick start * state machine */ set_bit(N2N_LINK_RESET, &vha->dpc_flags); qla2xxx_wake_dpc(vha); } else { ql_log(ql_log_warn, vha, 0x2119, "%s %d %8phC Unable to reconnect\n", __func__, __LINE__, ea->fcport->port_name); } } else { /* * switch connect. login failed. Take connection down * and allow relogin to retrigger */ ea->fcport->flags &= ~FCF_ASYNC_SENT; ea->fcport->keep_nport_handle = 0; ea->fcport->logout_on_delete = 1; qlt_schedule_sess_for_deletion(ea->fcport); } break; } } void qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea) { port_id_t cid; /* conflict Nport id */ u16 lid; struct fc_port *conflict_fcport; unsigned long flags; struct fc_port *fcport = ea->fcport; ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d data %x|%x iop %x|%x\n", __func__, fcport->port_name, fcport->disc_state, fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen, ea->sp->gen1, fcport->rscn_gen, ea->data[0], ea->data[1], ea->iop[0], ea->iop[1]); if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) || (fcport->fw_login_state == DSC_LS_PRLI_PEND)) { ql_dbg(ql_dbg_disc, vha, 0x20ea, "%s %d %8phC Remote is trying to login\n", __func__, __LINE__, fcport->port_name); return; } if ((fcport->disc_state == DSC_DELETE_PEND) || (fcport->disc_state == DSC_DELETED)) { set_bit(RELOGIN_NEEDED, &vha->dpc_flags); return; } if (ea->sp->gen2 != fcport->login_gen) { /* target side must have changed it. */ ql_dbg(ql_dbg_disc, vha, 0x20d3, "%s %8phC generation changed\n", __func__, fcport->port_name); set_bit(RELOGIN_NEEDED, &vha->dpc_flags); return; } else if (ea->sp->gen1 != fcport->rscn_gen) { ql_dbg(ql_dbg_disc, vha, 0x20d3, "%s %8phC RSCN generation changed\n", __func__, fcport->port_name); qla_rscn_replay(fcport); qlt_schedule_sess_for_deletion(fcport); return; } WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n", ea->data[0]); switch (ea->data[0]) { case MBS_COMMAND_COMPLETE: /* * Driver must validate login state - If PRLI not complete, * force a relogin attempt via implicit LOGO, PLOGI, and PRLI * requests. */ if (vha->hw->flags.edif_enabled) { set_bit(ea->fcport->loop_id, vha->hw->loop_id_map); spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset; ea->fcport->logout_on_delete = 1; ea->fcport->send_els_logo = 0; ea->fcport->fw_login_state = DSC_LS_PLOGI_COMP; spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); qla24xx_post_gpdb_work(vha, ea->fcport, 0); } else { if (NVME_TARGET(vha->hw, fcport)) { ql_dbg(ql_dbg_disc, vha, 0x2117, "%s %d %8phC post prli\n", __func__, __LINE__, fcport->port_name); qla24xx_post_prli_work(vha, fcport); } else { ql_dbg(ql_dbg_disc, vha, 0x20ea, "%s %d %8phC LoopID 0x%x in use with %06x. post gpdb\n", __func__, __LINE__, fcport->port_name, fcport->loop_id, fcport->d_id.b24); set_bit(fcport->loop_id, vha->hw->loop_id_map); spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); fcport->chip_reset = vha->hw->base_qpair->chip_reset; fcport->logout_on_delete = 1; fcport->send_els_logo = 0; fcport->fw_login_state = DSC_LS_PRLI_COMP; spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); qla24xx_post_gpdb_work(vha, fcport, 0); } } break; case MBS_COMMAND_ERROR: ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %d %8phC cmd error %x\n", __func__, __LINE__, ea->fcport->port_name, ea->data[1]); qlt_schedule_sess_for_deletion(ea->fcport); break; case MBS_LOOP_ID_USED: /* data[1] = IO PARAM 1 = nport ID */ cid.b.domain = (ea->iop[1] >> 16) & 0xff; cid.b.area = (ea->iop[1] >> 8) & 0xff; cid.b.al_pa = ea->iop[1] & 0xff; cid.b.rsvd_1 = 0; ql_dbg(ql_dbg_disc, vha, 0x20ec, "%s %d %8phC lid %#x in use with pid %06x post gnl\n", __func__, __LINE__, ea->fcport->port_name, ea->fcport->loop_id, cid.b24); set_bit(ea->fcport->loop_id, vha->hw->loop_id_map); ea->fcport->loop_id = FC_NO_LOOP_ID; qla24xx_post_gnl_work(vha, ea->fcport); break; case MBS_PORT_ID_USED: lid = ea->iop[1] & 0xffff; qlt_find_sess_invalidate_other(vha, wwn_to_u64(ea->fcport->port_name), ea->fcport->d_id, lid, &conflict_fcport); if (conflict_fcport) { /* * Another fcport share the same loop_id/nport id. * Conflict fcport needs to finish cleanup before this * fcport can proceed to login. */ conflict_fcport->conflict = ea->fcport; ea->fcport->login_pause = 1; ql_dbg(ql_dbg_disc, vha, 0x20ed, "%s %d %8phC NPortId %06x inuse with loopid 0x%x.\n", __func__, __LINE__, ea->fcport->port_name, ea->fcport->d_id.b24, lid); } else { ql_dbg(ql_dbg_disc, vha, 0x20ed, "%s %d %8phC NPortId %06x inuse with loopid 0x%x. sched delete\n", __func__, __LINE__, ea->fcport->port_name, ea->fcport->d_id.b24, lid); qla2x00_clear_loop_id(ea->fcport); set_bit(lid, vha->hw->loop_id_map); ea->fcport->loop_id = lid; ea->fcport->keep_nport_handle = 0; ea->fcport->logout_on_delete = 1; qlt_schedule_sess_for_deletion(ea->fcport); } break; } return; } /****************************************************************************/ /* QLogic ISP2x00 Hardware Support Functions. */ /****************************************************************************/ static int qla83xx_nic_core_fw_load(scsi_qla_host_t *vha) { int rval = QLA_SUCCESS; struct qla_hw_data *ha = vha->hw; uint32_t idc_major_ver, idc_minor_ver; uint16_t config[4]; qla83xx_idc_lock(vha, 0); /* SV: TODO: Assign initialization timeout from * flash-info / other param */ ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT; ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT; /* Set our fcoe function presence */ if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) { ql_dbg(ql_dbg_p3p, vha, 0xb077, "Error while setting DRV-Presence.\n"); rval = QLA_FUNCTION_FAILED; goto exit; } /* Decide the reset ownership */ qla83xx_reset_ownership(vha); /* * On first protocol driver load: * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery * register. * Others: Check compatibility with current IDC Major version. */ qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver); if (ha->flags.nic_core_reset_owner) { /* Set IDC Major version */ idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION; qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver); /* Clearing IDC-Lock-Recovery register */ qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0); } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) { /* * Clear further IDC participation if we are not compatible with * the current IDC Major Version. */ ql_log(ql_log_warn, vha, 0xb07d, "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n", idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION); __qla83xx_clear_drv_presence(vha); rval = QLA_FUNCTION_FAILED; goto exit; } /* Each function sets its supported Minor version. */ qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver); idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2)); qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver); if (ha->flags.nic_core_reset_owner) { memset(config, 0, sizeof(config)); if (!qla81xx_get_port_config(vha, config)) qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY); } rval = qla83xx_idc_state_handler(vha); exit: qla83xx_idc_unlock(vha, 0); return rval; } static void qla_enable_fce_trace(scsi_qla_host_t *vha) { int rval; struct qla_hw_data *ha = vha->hw; if (ha->fce) { ha->flags.fce_enabled = 1; memset(ha->fce, 0, fce_calc_size(ha->fce_bufs)); rval = qla2x00_enable_fce_trace(vha, ha->fce_dma, ha->fce_bufs, ha->fce_mb, &ha->fce_bufs); if (rval) { ql_log(ql_log_warn, vha, 0x8033, "Unable to reinitialize FCE (%d).\n", rval); ha->flags.fce_enabled = 0; } } } static void qla_enable_eft_trace(scsi_qla_host_t *vha) { int rval; struct qla_hw_data *ha = vha->hw; if (ha->eft) { memset(ha->eft, 0, EFT_SIZE); rval = qla2x00_enable_eft_trace(vha, ha->eft_dma, EFT_NUM_BUFFERS); if (rval) { ql_log(ql_log_warn, vha, 0x8034, "Unable to reinitialize EFT (%d).\n", rval); } } } /* * qla2x00_initialize_adapter * Initialize board. * * Input: * ha = adapter block pointer. * * Returns: * 0 = success */ int qla2x00_initialize_adapter(scsi_qla_host_t *vha) { int rval; struct qla_hw_data *ha = vha->hw; struct req_que *req = ha->req_q_map[0]; struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; memset(&vha->qla_stats, 0, sizeof(vha->qla_stats)); memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat)); /* Clear adapter flags. */ vha->flags.online = 0; ha->flags.chip_reset_done = 0; vha->flags.reset_active = 0; ha->flags.pci_channel_io_perm_failure = 0; ha->flags.eeh_busy = 0; vha->qla_stats.jiffies_at_last_reset = get_jiffies_64(); atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); atomic_set(&vha->loop_state, LOOP_DOWN); vha->device_flags = DFLG_NO_CABLE; vha->dpc_flags = 0; vha->flags.management_server_logged_in = 0; vha->marker_needed = 0; ha->isp_abort_cnt = 0; ha->beacon_blink_led = 0; set_bit(0, ha->req_qid_map); set_bit(0, ha->rsp_qid_map); ql_dbg(ql_dbg_init, vha, 0x0040, "Configuring PCI space...\n"); rval = ha->isp_ops->pci_config(vha); if (rval) { ql_log(ql_log_warn, vha, 0x0044, "Unable to configure PCI space.\n"); return (rval); } ha->isp_ops->reset_chip(vha); /* Check for secure flash support */ if (IS_QLA28XX(ha)) { if (rd_reg_word(®->mailbox12) & BIT_0) ha->flags.secure_adapter = 1; ql_log(ql_log_info, vha, 0xffff, "Secure Adapter: %s\n", (ha->flags.secure_adapter) ? "Yes" : "No"); } rval = qla2xxx_get_flash_info(vha); if (rval) { ql_log(ql_log_fatal, vha, 0x004f, "Unable to validate FLASH data.\n"); return rval; } if (IS_QLA8044(ha)) { qla8044_read_reset_template(vha); /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0. * If DONRESET_BIT0 is set, drivers should not set dev_state * to NEED_RESET. But if NEED_RESET is set, drivers should * should honor the reset. */ if (ql2xdontresethba == 1) qla8044_set_idc_dontreset(vha); } ha->isp_ops->get_flash_version(vha, req->ring); ql_dbg(ql_dbg_init, vha, 0x0061, "Configure NVRAM parameters...\n"); /* Let priority default to FCP, can be overridden by nvram_config */ ha->fc4_type_priority = FC4_PRIORITY_FCP; ha->isp_ops->nvram_config(vha); if (ha->fc4_type_priority != FC4_PRIORITY_FCP && ha->fc4_type_priority != FC4_PRIORITY_NVME) ha->fc4_type_priority = FC4_PRIORITY_FCP; ql_log(ql_log_info, vha, 0xffff, "FC4 priority set to %s\n", ha->fc4_type_priority == FC4_PRIORITY_FCP ? "FCP" : "NVMe"); if (ha->flags.disable_serdes) { /* Mask HBA via NVRAM settings? */ ql_log(ql_log_info, vha, 0x0077, "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name); return QLA_FUNCTION_FAILED; } ql_dbg(ql_dbg_init, vha, 0x0078, "Verifying loaded RISC code...\n"); /* If smartsan enabled then require fdmi and rdp enabled */ if (ql2xsmartsan) { ql2xfdmienable = 1; ql2xrdpenable = 1; } if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) { rval = ha->isp_ops->chip_diag(vha); if (rval) return (rval); rval = qla2x00_setup_chip(vha); if (rval) return (rval); } if (IS_QLA84XX(ha)) { ha->cs84xx = qla84xx_get_chip(vha); if (!ha->cs84xx) { ql_log(ql_log_warn, vha, 0x00d0, "Unable to configure ISP84XX.\n"); return QLA_FUNCTION_FAILED; } } if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha)) rval = qla2x00_init_rings(vha); /* No point in continuing if firmware initialization failed. */ if (rval != QLA_SUCCESS) return rval; ha->flags.chip_reset_done = 1; if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) { /* Issue verify 84xx FW IOCB to complete 84xx initialization */ rval = qla84xx_init_chip(vha); if (rval != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x00d4, "Unable to initialize ISP84XX.\n"); qla84xx_put_chip(vha); } } /* Load the NIC Core f/w if we are the first protocol driver. */ if (IS_QLA8031(ha)) { rval = qla83xx_nic_core_fw_load(vha); if (rval) ql_log(ql_log_warn, vha, 0x0124, "Error in initializing NIC Core f/w.\n"); } if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha)) qla24xx_read_fcp_prio_cfg(vha); if (IS_P3P_TYPE(ha)) qla82xx_set_driver_version(vha, QLA2XXX_VERSION); else qla25xx_set_driver_version(vha, QLA2XXX_VERSION); return (rval); } /** * qla2100_pci_config() - Setup ISP21xx PCI configuration registers. * @vha: HA context * * Returns 0 on success. */ int qla2100_pci_config(scsi_qla_host_t *vha) { uint16_t w; unsigned long flags; struct qla_hw_data *ha = vha->hw; struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; pci_set_master(ha->pdev); pci_try_set_mwi(ha->pdev); pci_read_config_word(ha->pdev, PCI_COMMAND, &w); w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); pci_write_config_word(ha->pdev, PCI_COMMAND, w); pci_disable_rom(ha->pdev); /* Get PCI bus information. */ spin_lock_irqsave(&ha->hardware_lock, flags); ha->pci_attr = rd_reg_word(®->ctrl_status); spin_unlock_irqrestore(&ha->hardware_lock, flags); return QLA_SUCCESS; } /** * qla2300_pci_config() - Setup ISP23xx PCI configuration registers. * @vha: HA context * * Returns 0 on success. */ int qla2300_pci_config(scsi_qla_host_t *vha) { uint16_t w; unsigned long flags = 0; uint32_t cnt; struct qla_hw_data *ha = vha->hw; struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; pci_set_master(ha->pdev); pci_try_set_mwi(ha->pdev); pci_read_config_word(ha->pdev, PCI_COMMAND, &w); w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); if (IS_QLA2322(ha) || IS_QLA6322(ha)) w &= ~PCI_COMMAND_INTX_DISABLE; pci_write_config_word(ha->pdev, PCI_COMMAND, w); /* * If this is a 2300 card and not 2312, reset the * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately, * the 2310 also reports itself as a 2300 so we need to get the * fb revision level -- a 6 indicates it really is a 2300 and * not a 2310. */ if (IS_QLA2300(ha)) { spin_lock_irqsave(&ha->hardware_lock, flags); /* Pause RISC. */ wrt_reg_word(®->hccr, HCCR_PAUSE_RISC); for (cnt = 0; cnt < 30000; cnt++) { if ((rd_reg_word(®->hccr) & HCCR_RISC_PAUSE) != 0) break; udelay(10); } /* Select FPM registers. */ wrt_reg_word(®->ctrl_status, 0x20); rd_reg_word(®->ctrl_status); /* Get the fb rev level */ ha->fb_rev = RD_FB_CMD_REG(ha, reg); if (ha->fb_rev == FPM_2300) pci_clear_mwi(ha->pdev); /* Deselect FPM registers. */ wrt_reg_word(®->ctrl_status, 0x0); rd_reg_word(®->ctrl_status); /* Release RISC module. */ wrt_reg_word(®->hccr, HCCR_RELEASE_RISC); for (cnt = 0; cnt < 30000; cnt++) { if ((rd_reg_word(®->hccr) & HCCR_RISC_PAUSE) == 0) break; udelay(10); } spin_unlock_irqrestore(&ha->hardware_lock, flags); } pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); pci_disable_rom(ha->pdev); /* Get PCI bus information. */ spin_lock_irqsave(&ha->hardware_lock, flags); ha->pci_attr = rd_reg_word(®->ctrl_status); spin_unlock_irqrestore(&ha->hardware_lock, flags); return QLA_SUCCESS; } /** * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers. * @vha: HA context * * Returns 0 on success. */ int qla24xx_pci_config(scsi_qla_host_t *vha) { uint16_t w; unsigned long flags = 0; struct qla_hw_data *ha = vha->hw; struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; pci_set_master(ha->pdev); pci_try_set_mwi(ha->pdev); pci_read_config_word(ha->pdev, PCI_COMMAND, &w); w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); w &= ~PCI_COMMAND_INTX_DISABLE; pci_write_config_word(ha->pdev, PCI_COMMAND, w); pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */ if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX)) pcix_set_mmrbc(ha->pdev, 2048); /* PCIe -- adjust Maximum Read Request Size (2048). */ if (pci_is_pcie(ha->pdev)) pcie_set_readrq(ha->pdev, 4096); pci_disable_rom(ha->pdev); ha->chip_revision = ha->pdev->revision; /* Get PCI bus information. */ spin_lock_irqsave(&ha->hardware_lock, flags); ha->pci_attr = rd_reg_dword(®->ctrl_status); spin_unlock_irqrestore(&ha->hardware_lock, flags); return QLA_SUCCESS; } /** * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers. * @vha: HA context * * Returns 0 on success. */ int qla25xx_pci_config(scsi_qla_host_t *vha) { uint16_t w; struct qla_hw_data *ha = vha->hw; pci_set_master(ha->pdev); pci_try_set_mwi(ha->pdev); pci_read_config_word(ha->pdev, PCI_COMMAND, &w); w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); w &= ~PCI_COMMAND_INTX_DISABLE; pci_write_config_word(ha->pdev, PCI_COMMAND, w); /* PCIe -- adjust Maximum Read Request Size (2048). */ if (pci_is_pcie(ha->pdev)) pcie_set_readrq(ha->pdev, 4096); pci_disable_rom(ha->pdev); ha->chip_revision = ha->pdev->revision; return QLA_SUCCESS; } /** * qla2x00_isp_firmware() - Choose firmware image. * @vha: HA context * * Returns 0 on success. */ static int qla2x00_isp_firmware(scsi_qla_host_t *vha) { int rval; uint16_t loop_id, topo, sw_cap; uint8_t domain, area, al_pa; struct qla_hw_data *ha = vha->hw; /* Assume loading risc code */ rval = QLA_FUNCTION_FAILED; if (ha->flags.disable_risc_code_load) { ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n"); /* Verify checksum of loaded RISC code. */ rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address); if (rval == QLA_SUCCESS) { /* And, verify we are not in ROM code. */ rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa, &area, &domain, &topo, &sw_cap); } } if (rval) ql_dbg(ql_dbg_init, vha, 0x007a, "**** Load RISC code ****.\n"); return (rval); } /** * qla2x00_reset_chip() - Reset ISP chip. * @vha: HA context * * Returns 0 on success. */ int qla2x00_reset_chip(scsi_qla_host_t *vha) { unsigned long flags = 0; struct qla_hw_data *ha = vha->hw; struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; uint32_t cnt; uint16_t cmd; int rval = QLA_FUNCTION_FAILED; if (unlikely(pci_channel_offline(ha->pdev))) return rval; ha->isp_ops->disable_intrs(ha); spin_lock_irqsave(&ha->hardware_lock, flags); /* Turn off master enable */ cmd = 0; pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd); cmd &= ~PCI_COMMAND_MASTER; pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); if (!IS_QLA2100(ha)) { /* Pause RISC. */ wrt_reg_word(®->hccr, HCCR_PAUSE_RISC); if (IS_QLA2200(ha) || IS_QLA2300(ha)) { for (cnt = 0; cnt < 30000; cnt++) { if ((rd_reg_word(®->hccr) & HCCR_RISC_PAUSE) != 0) break; udelay(100); } } else { rd_reg_word(®->hccr); /* PCI Posting. */ udelay(10); } /* Select FPM registers. */ wrt_reg_word(®->ctrl_status, 0x20); rd_reg_word(®->ctrl_status); /* PCI Posting. */ /* FPM Soft Reset. */ wrt_reg_word(®->fpm_diag_config, 0x100); rd_reg_word(®->fpm_diag_config); /* PCI Posting. */ /* Toggle Fpm Reset. */ if (!IS_QLA2200(ha)) { wrt_reg_word(®->fpm_diag_config, 0x0); rd_reg_word(®->fpm_diag_config); /* PCI Posting. */ } /* Select frame buffer registers. */ wrt_reg_word(®->ctrl_status, 0x10); rd_reg_word(®->ctrl_status); /* PCI Posting. */ /* Reset frame buffer FIFOs. */ if (IS_QLA2200(ha)) { WRT_FB_CMD_REG(ha, reg, 0xa000); RD_FB_CMD_REG(ha, reg); /* PCI Posting. */ } else { WRT_FB_CMD_REG(ha, reg, 0x00fc); /* Read back fb_cmd until zero or 3 seconds max */ for (cnt = 0; cnt < 3000; cnt++) { if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0) break; udelay(100); } } /* Select RISC module registers. */ wrt_reg_word(®->ctrl_status, 0); rd_reg_word(®->ctrl_status); /* PCI Posting. */ /* Reset RISC processor. */ wrt_reg_word(®->hccr, HCCR_RESET_RISC); rd_reg_word(®->hccr); /* PCI Posting. */ /* Release RISC processor. */ wrt_reg_word(®->hccr, HCCR_RELEASE_RISC); rd_reg_word(®->hccr); /* PCI Posting. */ } wrt_reg_word(®->hccr, HCCR_CLR_RISC_INT); wrt_reg_word(®->hccr, HCCR_CLR_HOST_INT); /* Reset ISP chip. */ wrt_reg_word(®->ctrl_status, CSR_ISP_SOFT_RESET); /* Wait for RISC to recover from reset. */ if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { /* * It is necessary to for a delay here since the card doesn't * respond to PCI reads during a reset. On some architectures * this will result in an MCA. */ udelay(20); for (cnt = 30000; cnt; cnt--) { if ((rd_reg_word(®->ctrl_status) & CSR_ISP_SOFT_RESET) == 0) break; udelay(100); } } else udelay(10); /* Reset RISC processor. */ wrt_reg_word(®->hccr, HCCR_RESET_RISC); wrt_reg_word(®->semaphore, 0); /* Release RISC processor. */ wrt_reg_word(®->hccr, HCCR_RELEASE_RISC); rd_reg_word(®->hccr); /* PCI Posting. */ if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { for (cnt = 0; cnt < 30000; cnt++) { if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) break; udelay(100); } } else udelay(100); /* Turn on master enable */ cmd |= PCI_COMMAND_MASTER; pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); /* Disable RISC pause on FPM parity error. */ if (!IS_QLA2100(ha)) { wrt_reg_word(®->hccr, HCCR_DISABLE_PARITY_PAUSE); rd_reg_word(®->hccr); /* PCI Posting. */ } spin_unlock_irqrestore(&ha->hardware_lock, flags); return QLA_SUCCESS; } /** * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC. * @vha: HA context * * Returns 0 on success. */ static int qla81xx_reset_mpi(scsi_qla_host_t *vha) { uint16_t mb[4] = {0x1010, 0, 1, 0}; if (!IS_QLA81XX(vha->hw)) return QLA_SUCCESS; return qla81xx_write_mpi_register(vha, mb); } static int qla_chk_risc_recovery(scsi_qla_host_t *vha) { struct qla_hw_data *ha = vha->hw; struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; __le16 __iomem *mbptr = ®->mailbox0; int i; u16 mb[32]; int rc = QLA_SUCCESS; if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha)) return rc; /* this check is only valid after RISC reset */ mb[0] = rd_reg_word(mbptr); mbptr++; if (mb[0] == 0xf) { rc = QLA_FUNCTION_FAILED; for (i = 1; i < 32; i++) { mb[i] = rd_reg_word(mbptr); mbptr++; } ql_log(ql_log_warn, vha, 0x1015, "RISC reset failed. mb[0-7] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n", mb[0], mb[1], mb[2], mb[3], mb[4], mb[5], mb[6], mb[7]); ql_log(ql_log_warn, vha, 0x1015, "RISC reset failed. mb[8-15] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n", mb[8], mb[9], mb[10], mb[11], mb[12], mb[13], mb[14], mb[15]); ql_log(ql_log_warn, vha, 0x1015, "RISC reset failed. mb[16-23] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n", mb[16], mb[17], mb[18], mb[19], mb[20], mb[21], mb[22], mb[23]); ql_log(ql_log_warn, vha, 0x1015, "RISC reset failed. mb[24-31] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n", mb[24], mb[25], mb[26], mb[27], mb[28], mb[29], mb[30], mb[31]); } return rc; } /** * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC. * @vha: HA context * * Returns 0 on success. */ static inline int qla24xx_reset_risc(scsi_qla_host_t *vha) { unsigned long flags = 0; struct qla_hw_data *ha = vha->hw; struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; uint32_t cnt; uint16_t wd; static int abts_cnt; /* ISP abort retry counts */ int rval = QLA_SUCCESS; int print = 1; spin_lock_irqsave(&ha->hardware_lock, flags); /* Reset RISC. */ wrt_reg_dword(®->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); for (cnt = 0; cnt < 30000; cnt++) { if ((rd_reg_dword(®->ctrl_status) & CSRX_DMA_ACTIVE) == 0) break; udelay(10); } if (!(rd_reg_dword(®->ctrl_status) & CSRX_DMA_ACTIVE)) set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags); ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e, "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n", rd_reg_dword(®->hccr), rd_reg_dword(®->ctrl_status), (rd_reg_dword(®->ctrl_status) & CSRX_DMA_ACTIVE)); wrt_reg_dword(®->ctrl_status, CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); pci_read_config_word(ha->pdev, PCI_COMMAND, &wd); udelay(100); /* Wait for firmware to complete NVRAM accesses. */ rd_reg_word(®->mailbox0); for (cnt = 10000; rd_reg_word(®->mailbox0) != 0 && rval == QLA_SUCCESS; cnt--) { barrier(); if (cnt) udelay(5); else rval = QLA_FUNCTION_TIMEOUT; } if (rval == QLA_SUCCESS) set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags); ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f, "HCCR: 0x%x, MailBox0 Status 0x%x\n", rd_reg_dword(®->hccr), rd_reg_word(®->mailbox0)); /* Wait for soft-reset to complete. */ rd_reg_dword(®->ctrl_status); for (cnt = 0; cnt < 60; cnt++) { barrier(); if ((rd_reg_dword(®->ctrl_status) & CSRX_ISP_SOFT_RESET) == 0) break; udelay(5); } if (!(rd_reg_dword(®->ctrl_status) & CSRX_ISP_SOFT_RESET)) set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags); ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d, "HCCR: 0x%x, Soft Reset status: 0x%x\n", rd_reg_dword(®->hccr), rd_reg_dword(®->ctrl_status)); /* If required, do an MPI FW reset now */ if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) { if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) { if (++abts_cnt < 5) { set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); set_bit(MPI_RESET_NEEDED, &vha->dpc_flags); } else { /* * We exhausted the ISP abort retries. We have to * set the board offline. */ abts_cnt = 0; vha->flags.online = 0; } } } wrt_reg_dword(®->hccr, HCCRX_SET_RISC_RESET); rd_reg_dword(®->hccr); wrt_reg_dword(®->hccr, HCCRX_REL_RISC_PAUSE); rd_reg_dword(®->hccr); wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_RESET); mdelay(10); rd_reg_dword(®->hccr); wd = rd_reg_word(®->mailbox0); for (cnt = 300; wd != 0 && rval == QLA_SUCCESS; cnt--) { barrier(); if (cnt) { mdelay(1); if (print && qla_chk_risc_recovery(vha)) print = 0; wd = rd_reg_word(®->mailbox0); } else { rval = QLA_FUNCTION_TIMEOUT; ql_log(ql_log_warn, vha, 0x015e, "RISC reset timeout\n"); } } if (rval == QLA_SUCCESS) set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags); ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e, "Host Risc 0x%x, mailbox0 0x%x\n", rd_reg_dword(®->hccr), rd_reg_word(®->mailbox0)); spin_unlock_irqrestore(&ha->hardware_lock, flags); ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f, "Driver in %s mode\n", IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling"); if (IS_NOPOLLING_TYPE(ha)) ha->isp_ops->enable_intrs(ha); return rval; } static void qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data) { struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24; wrt_reg_dword(®->iobase_addr, RISC_REGISTER_BASE_OFFSET); *data = rd_reg_dword(®->iobase_window + RISC_REGISTER_WINDOW_OFFSET); } static void qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data) { struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24; wrt_reg_dword(®->iobase_addr, RISC_REGISTER_BASE_OFFSET); wrt_reg_dword(®->iobase_window + RISC_REGISTER_WINDOW_OFFSET, data); } static void qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha) { uint32_t wd32 = 0; uint delta_msec = 100; uint elapsed_msec = 0; uint timeout_msec; ulong n; if (vha->hw->pdev->subsystem_device != 0x0175 && vha->hw->pdev->subsystem_device != 0x0240) return; wrt_reg_dword(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE); udelay(100); attempt: timeout_msec = TIMEOUT_SEMAPHORE; n = timeout_msec / delta_msec; while (n--) { qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET); qla25xx_read_risc_sema_reg(vha, &wd32); if (wd32 & RISC_SEMAPHORE) break; msleep(delta_msec); elapsed_msec += delta_msec; if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED) goto force; } if (!(wd32 & RISC_SEMAPHORE)) goto force; if (!(wd32 & RISC_SEMAPHORE_FORCE)) goto acquired; qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR); timeout_msec = TIMEOUT_SEMAPHORE_FORCE; n = timeout_msec / delta_msec; while (n--) { qla25xx_read_risc_sema_reg(vha, &wd32); if (!(wd32 & RISC_SEMAPHORE_FORCE)) break; msleep(delta_msec); elapsed_msec += delta_msec; if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED) goto force; } if (wd32 & RISC_SEMAPHORE_FORCE) qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR); goto attempt; force: qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET); acquired: return; } /** * qla24xx_reset_chip() - Reset ISP24xx chip. * @vha: HA context * * Returns 0 on success. */ int qla24xx_reset_chip(scsi_qla_host_t *vha) { struct qla_hw_data *ha = vha->hw; int rval = QLA_FUNCTION_FAILED; if (pci_channel_offline(ha->pdev) && ha->flags.pci_channel_io_perm_failure) { return rval; } ha->isp_ops->disable_intrs(ha); qla25xx_manipulate_risc_semaphore(vha); /* Perform RISC reset. */ rval = qla24xx_reset_risc(vha); return rval; } /** * qla2x00_chip_diag() - Test chip for proper operation. * @vha: HA context * * Returns 0 on success. */ int qla2x00_chip_diag(scsi_qla_host_t *vha) { int rval; struct qla_hw_data *ha = vha->hw; struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; unsigned long flags = 0; uint16_t data; uint32_t cnt; uint16_t mb[5]; struct req_que *req = ha->req_q_map[0]; /* Assume a failed state */ rval = QLA_FUNCTION_FAILED; ql_dbg(ql_dbg_init, vha, 0x007b, "Testing device at %p.\n", ®->flash_address); spin_lock_irqsave(&ha->hardware_lock, flags); /* Reset ISP chip. */ wrt_reg_word(®->ctrl_status, CSR_ISP_SOFT_RESET); /* * We need to have a delay here since the card will not respond while * in reset causing an MCA on some architectures. */ udelay(20); data = qla2x00_debounce_register(®->ctrl_status); for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) { udelay(5); data = rd_reg_word(®->ctrl_status); barrier(); } if (!cnt) goto chip_diag_failed; ql_dbg(ql_dbg_init, vha, 0x007c, "Reset register cleared by chip reset.\n"); /* Reset RISC processor. */ wrt_reg_word(®->hccr, HCCR_RESET_RISC); wrt_reg_word(®->hccr, HCCR_RELEASE_RISC); /* Workaround for QLA2312 PCI parity error */ if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0)); for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) { udelay(5); data = RD_MAILBOX_REG(ha, reg, 0); barrier(); } } else udelay(10); if (!cnt) goto chip_diag_failed; /* Check product ID of chip */ ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n"); mb[1] = RD_MAILBOX_REG(ha, reg, 1); mb[2] = RD_MAILBOX_REG(ha, reg, 2); mb[3] = RD_MAILBOX_REG(ha, reg, 3); mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4)); if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) || mb[3] != PROD_ID_3) { ql_log(ql_log_warn, vha, 0x0062, "Wrong product ID = 0x%x,0x%x,0x%x.\n", mb[1], mb[2], mb[3]); goto chip_diag_failed; } ha->product_id[0] = mb[1]; ha->product_id[1] = mb[2]; ha->product_id[2] = mb[3]; ha->product_id[3] = mb[4]; /* Adjust fw RISC transfer size */ if (req->length > 1024) ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; else ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length; if (IS_QLA2200(ha) && RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) { /* Limit firmware transfer size with a 2200A */ ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n"); ha->device_type |= DT_ISP2200A; ha->fw_transfer_size = 128; } /* Wrap Incoming Mailboxes Test. */ spin_unlock_irqrestore(&ha->hardware_lock, flags); ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n"); rval = qla2x00_mbx_reg_test(vha); if (rval) ql_log(ql_log_warn, vha, 0x0080, "Failed mailbox send register test.\n"); else /* Flag a successful rval */ rval = QLA_SUCCESS; spin_lock_irqsave(&ha->hardware_lock, flags); chip_diag_failed: if (rval) ql_log(ql_log_info, vha, 0x0081, "Chip diagnostics **** FAILED ****.\n"); spin_unlock_irqrestore(&ha->hardware_lock, flags); return (rval); } /** * qla24xx_chip_diag() - Test ISP24xx for proper operation. * @vha: HA context * * Returns 0 on success. */ int qla24xx_chip_diag(scsi_qla_host_t *vha) { int rval; struct qla_hw_data *ha = vha->hw; struct req_que *req = ha->req_q_map[0]; if (IS_P3P_TYPE(ha)) return QLA_SUCCESS; ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length; rval = qla2x00_mbx_reg_test(vha); if (rval) { ql_log(ql_log_warn, vha, 0x0082, "Failed mailbox send register test.\n"); } else { /* Flag a successful rval */ rval = QLA_SUCCESS; } return rval; } static void qla2x00_alloc_fce_trace(scsi_qla_host_t *vha) { dma_addr_t tc_dma; void *tc; struct qla_hw_data *ha = vha->hw; if (!IS_FWI2_CAPABLE(ha)) return; if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) return; if (ha->fce) { ql_dbg(ql_dbg_init, vha, 0x00bd, "%s: FCE Mem is already allocated.\n", __func__); return; } /* Allocate memory for Fibre Channel Event Buffer. */ tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma, GFP_KERNEL); if (!tc) { ql_log(ql_log_warn, vha, 0x00be, "Unable to allocate (%d KB) for FCE.\n", FCE_SIZE / 1024); return; } ql_dbg(ql_dbg_init, vha, 0x00c0, "Allocated (%d KB) for FCE...\n", FCE_SIZE / 1024); ha->fce_dma = tc_dma; ha->fce = tc; ha->fce_bufs = FCE_NUM_BUFFERS; } static void qla2x00_alloc_eft_trace(scsi_qla_host_t *vha) { dma_addr_t tc_dma; void *tc; struct qla_hw_data *ha = vha->hw; if (!IS_FWI2_CAPABLE(ha)) return; if (ha->eft) { ql_dbg(ql_dbg_init, vha, 0x00bd, "%s: EFT Mem is already allocated.\n", __func__); return; } /* Allocate memory for Extended Trace Buffer. */ tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma, GFP_KERNEL); if (!tc) { ql_log(ql_log_warn, vha, 0x00c1, "Unable to allocate (%d KB) for EFT.\n", EFT_SIZE / 1024); return; } ql_dbg(ql_dbg_init, vha, 0x00c3, "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024); ha->eft_dma = tc_dma; ha->eft = tc; } void qla2x00_alloc_fw_dump(scsi_qla_host_t *vha) { uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size, eft_size, fce_size, mq_size; struct qla_hw_data *ha = vha->hw; struct req_que *req = ha->req_q_map[0]; struct rsp_que *rsp = ha->rsp_q_map[0]; struct qla2xxx_fw_dump *fw_dump; if (ha->fw_dump) { ql_dbg(ql_dbg_init, vha, 0x00bd, "Firmware dump already allocated.\n"); return; } ha->fw_dumped = 0; ha->fw_dump_cap_flags = 0; dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0; req_q_size = rsp_q_size = 0; if (IS_QLA2100(ha) || IS_QLA2200(ha)) { fixed_size = sizeof(struct qla2100_fw_dump); } else if (IS_QLA23XX(ha)) { fixed_size = offsetof(struct qla2300_fw_dump, data_ram); mem_size = (ha->fw_memory_size - 0x11000 + 1) * sizeof(uint16_t); } else if (IS_FWI2_CAPABLE(ha)) { if (IS_QLA83XX(ha)) fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem); else if (IS_QLA81XX(ha)) fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem); else if (IS_QLA25XX(ha)) fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem); else fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem); mem_size = (ha->fw_memory_size - 0x100000 + 1) * sizeof(uint32_t); if (ha->mqenable) { if (!IS_QLA83XX(ha)) mq_size = sizeof(struct qla2xxx_mq_chain); /* * Allocate maximum buffer size for all queues - Q0. * Resizing must be done at end-of-dump processing. */ mq_size += (ha->max_req_queues - 1) * (req->length * sizeof(request_t)); mq_size += (ha->max_rsp_queues - 1) * (rsp->length * sizeof(response_t)); } if (ha->tgt.atio_ring) mq_size += ha->tgt.atio_q_length * sizeof(request_t); qla2x00_alloc_fce_trace(vha); if (ha->fce) fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE; qla2x00_alloc_eft_trace(vha); if (ha->eft) eft_size = EFT_SIZE; } if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) { struct fwdt *fwdt = ha->fwdt; uint j; for (j = 0; j < 2; j++, fwdt++) { if (!fwdt->template) { ql_dbg(ql_dbg_init, vha, 0x00ba, "-> fwdt%u no template\n", j); continue; } ql_dbg(ql_dbg_init, vha, 0x00fa, "-> fwdt%u calculating fwdump size...\n", j); fwdt->dump_size = qla27xx_fwdt_calculate_dump_size( vha, fwdt->template); ql_dbg(ql_dbg_init, vha, 0x00fa, "-> fwdt%u calculated fwdump size = %#lx bytes\n", j, fwdt->dump_size); dump_size += fwdt->dump_size; } /* Add space for spare MPI fw dump. */ dump_size += ha->fwdt[1].dump_size; } else { req_q_size = req->length * sizeof(request_t); rsp_q_size = rsp->length * sizeof(response_t); dump_size = offsetof(struct qla2xxx_fw_dump, isp); dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size; ha->chain_offset = dump_size; dump_size += mq_size + fce_size; if (ha->exchoffld_buf) dump_size += sizeof(struct qla2xxx_offld_chain) + ha->exchoffld_size; if (ha->exlogin_buf) dump_size += sizeof(struct qla2xxx_offld_chain) + ha->exlogin_size; } if (!ha->fw_dump_len || dump_size > ha->fw_dump_alloc_len) { ql_dbg(ql_dbg_init, vha, 0x00c5, "%s dump_size %d fw_dump_len %d fw_dump_alloc_len %d\n", __func__, dump_size, ha->fw_dump_len, ha->fw_dump_alloc_len); fw_dump = vmalloc(dump_size); if (!fw_dump) { ql_log(ql_log_warn, vha, 0x00c4, "Unable to allocate (%d KB) for firmware dump.\n", dump_size / 1024); } else { mutex_lock(&ha->optrom_mutex); if (ha->fw_dumped) { memcpy(fw_dump, ha->fw_dump, ha->fw_dump_len); vfree(ha->fw_dump); ha->fw_dump = fw_dump; ha->fw_dump_alloc_len = dump_size; ql_dbg(ql_dbg_init, vha, 0x00c5, "Re-Allocated (%d KB) and save firmware dump.\n", dump_size / 1024); } else { vfree(ha->fw_dump); ha->fw_dump = fw_dump; ha->fw_dump_len = ha->fw_dump_alloc_len = dump_size; ql_dbg(ql_dbg_init, vha, 0x00c5, "Allocated (%d KB) for firmware dump.\n", dump_size / 1024); if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) { ha->mpi_fw_dump = (char *)fw_dump + ha->fwdt[1].dump_size; mutex_unlock(&ha->optrom_mutex); return; } ha->fw_dump->signature[0] = 'Q'; ha->fw_dump->signature[1] = 'L'; ha->fw_dump->signature[2] = 'G'; ha->fw_dump->signature[3] = 'C'; ha->fw_dump->version = htonl(1); ha->fw_dump->fixed_size = htonl(fixed_size); ha->fw_dump->mem_size = htonl(mem_size); ha->fw_dump->req_q_size = htonl(req_q_size); ha->fw_dump->rsp_q_size = htonl(rsp_q_size); ha->fw_dump->eft_size = htonl(eft_size); ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma)); ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma)); ha->fw_dump->header_size = htonl(offsetof (struct qla2xxx_fw_dump, isp)); } mutex_unlock(&ha->optrom_mutex); } } } static int qla81xx_mpi_sync(scsi_qla_host_t *vha) { #define MPS_MASK 0xe0 int rval; uint16_t dc; uint32_t dw; if (!IS_QLA81XX(vha->hw)) return QLA_SUCCESS; rval = qla2x00_write_ram_word(vha, 0x7c00, 1); if (rval != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x0105, "Unable to acquire semaphore.\n"); goto done; } pci_read_config_word(vha->hw->pdev, 0x54, &dc); rval = qla2x00_read_ram_word(vha, 0x7a15, &dw); if (rval != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n"); goto done_release; } dc &= MPS_MASK; if (dc == (dw & MPS_MASK)) goto done_release; dw &= ~MPS_MASK; dw |= dc; rval = qla2x00_write_ram_word(vha, 0x7a15, dw); if (rval != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n"); } done_release: rval = qla2x00_write_ram_word(vha, 0x7c00, 0); if (rval != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x006d, "Unable to release semaphore.\n"); } done: return rval; } int qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req) { /* Don't try to reallocate the array */ if (req->outstanding_cmds) return QLA_SUCCESS; if (!IS_FWI2_CAPABLE(ha)) req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS; else { if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count) req->num_outstanding_cmds = ha->cur_fw_xcb_count; else req->num_outstanding_cmds = ha->cur_fw_iocb_count; } req->outstanding_cmds = kcalloc(req->num_outstanding_cmds, sizeof(srb_t *), GFP_KERNEL); if (!req->outstanding_cmds) { /* * Try to allocate a minimal size just so we can get through * initialization. */ req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS; req->outstanding_cmds = kcalloc(req->num_outstanding_cmds, sizeof(srb_t *), GFP_KERNEL); if (!req->outstanding_cmds) { ql_log(ql_log_fatal, NULL, 0x0126, "Failed to allocate memory for " "outstanding_cmds for req_que %p.\n", req); req->num_outstanding_cmds = 0; return QLA_FUNCTION_FAILED; } } return QLA_SUCCESS; } #define PRINT_FIELD(_field, _flag, _str) { \ if (a0->_field & _flag) {\ if (p) {\ strcat(ptr, "|");\ ptr++;\ leftover--;\ } \ len = snprintf(ptr, leftover, "%s", _str); \ p = 1;\ leftover -= len;\ ptr += len; \ } \ } static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha) { #define STR_LEN 64 struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data; u8 str[STR_LEN], *ptr, p; int leftover, len; memset(str, 0, STR_LEN); snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name); ql_dbg(ql_dbg_init, vha, 0x015a, "SFP MFG Name: %s\n", str); memset(str, 0, STR_LEN); snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn); ql_dbg(ql_dbg_init, vha, 0x015c, "SFP Part Name: %s\n", str); /* media */ memset(str, 0, STR_LEN); ptr = str; leftover = STR_LEN; p = len = 0; PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX"); PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair"); PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax"); PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax"); PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um"); PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um"); PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode"); ql_dbg(ql_dbg_init, vha, 0x0160, "SFP Media: %s\n", str); /* link length */ memset(str, 0, STR_LEN); ptr = str; leftover = STR_LEN; p = len = 0; PRINT_FIELD(fc_ll_cc7, FC_LL_VL, "Very Long"); PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short"); PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate"); PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long"); PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium"); ql_dbg(ql_dbg_init, vha, 0x0196, "SFP Link Length: %s\n", str); memset(str, 0, STR_LEN); ptr = str; leftover = STR_LEN; p = len = 0; PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)"); PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)"); PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)"); PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)"); PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)"); ql_dbg(ql_dbg_init, vha, 0x016e, "SFP FC Link Tech: %s\n", str); if (a0->length_km) ql_dbg(ql_dbg_init, vha, 0x016f, "SFP Distant: %d km\n", a0->length_km); if (a0->length_100m) ql_dbg(ql_dbg_init, vha, 0x0170, "SFP Distant: %d m\n", a0->length_100m*100); if (a0->length_50um_10m) ql_dbg(ql_dbg_init, vha, 0x0189, "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10); if (a0->length_62um_10m) ql_dbg(ql_dbg_init, vha, 0x018a, "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10); if (a0->length_om4_10m) ql_dbg(ql_dbg_init, vha, 0x0194, "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10); if (a0->length_om3_10m) ql_dbg(ql_dbg_init, vha, 0x0195, "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10); } /** * qla24xx_detect_sfp() * * @vha: adapter state pointer. * * @return * 0 -- Configure firmware to use short-range settings -- normal * buffer-to-buffer credits. * * 1 -- Configure firmware to use long-range settings -- extra * buffer-to-buffer credits should be allocated with * ha->lr_distance containing distance settings from NVRAM or SFP * (if supported). */ int qla24xx_detect_sfp(scsi_qla_host_t *vha) { int rc, used_nvram; struct sff_8247_a0 *a; struct qla_hw_data *ha = vha->hw; struct nvram_81xx *nv = ha->nvram; #define LR_DISTANCE_UNKNOWN 2 static const char * const types[] = { "Short", "Long" }; static const char * const lengths[] = { "(10km)", "(5km)", "" }; u8 ll = 0; /* Seed with NVRAM settings. */ used_nvram = 0; ha->flags.lr_detected = 0; if (IS_BPM_RANGE_CAPABLE(ha) && (nv->enhanced_features & NEF_LR_DIST_ENABLE)) { used_nvram = 1; ha->flags.lr_detected = 1; ha->lr_distance = (nv->enhanced_features >> LR_DIST_NV_POS) & LR_DIST_NV_MASK; } if (!IS_BPM_ENABLED(vha)) goto out; /* Determine SR/LR capabilities of SFP/Transceiver. */ rc = qla2x00_read_sfp_dev(vha, NULL, 0); if (rc) goto out; used_nvram = 0; a = (struct sff_8247_a0 *)vha->hw->sfp_data; qla2xxx_print_sfp_info(vha); ha->flags.lr_detected = 0; ll = a->fc_ll_cc7; if (ll & FC_LL_VL || ll & FC_LL_L) { /* Long range, track length. */ ha->flags.lr_detected = 1; if (a->length_km > 5 || a->length_100m > 50) ha->lr_distance = LR_DISTANCE_10K; else ha->lr_distance = LR_DISTANCE_5K; } out: ql_dbg(ql_dbg_async, vha, 0x507b, "SFP detect: %s-Range SFP %s (nvr=%x ll=%x lr=%x lrd=%x).\n", types[ha->flags.lr_detected], ha->flags.lr_detected ? lengths[ha->lr_distance] : lengths[LR_DISTANCE_UNKNOWN], used_nvram, ll, ha->flags.lr_detected, ha->lr_distance); return ha->flags.lr_detected; } static void __qla_adjust_iocb_limit(struct qla_qpair *qpair) { u8 num_qps; u16 limit; struct qla_hw_data *ha = qpair->vha->hw; num_qps = ha->num_qpairs + 1; limit = (ha->orig_fw_iocb_count * QLA_IOCB_PCT_LIMIT) / 100; qpair->fwres.iocbs_total = ha->orig_fw_iocb_count; qpair->fwres.iocbs_limit = limit; qpair->fwres.iocbs_qp_limit = limit / num_qps; qpair->fwres.exch_total = ha->orig_fw_xcb_count; qpair->fwres.exch_limit = (ha->orig_fw_xcb_count * QLA_IOCB_PCT_LIMIT) / 100; } void qla_init_iocb_limit(scsi_qla_host_t *vha) { u8 i; struct qla_hw_data *ha = vha->hw; __qla_adjust_iocb_limit(ha->base_qpair); ha->base_qpair->fwres.iocbs_used = 0; ha->base_qpair->fwres.exch_used = 0; for (i = 0; i < ha->max_qpairs; i++) { if (ha->queue_pair_map[i]) { __qla_adjust_iocb_limit(ha->queue_pair_map[i]); ha->queue_pair_map[i]->fwres.iocbs_used = 0; ha->queue_pair_map[i]->fwres.exch_used = 0; } } ha->fwres.iocb_total = ha->orig_fw_iocb_count; ha->fwres.iocb_limit = (ha->orig_fw_iocb_count * QLA_IOCB_PCT_LIMIT) / 100; ha->fwres.exch_total = ha->orig_fw_xcb_count; ha->fwres.exch_limit = (ha->orig_fw_xcb_count * QLA_IOCB_PCT_LIMIT) / 100; atomic_set(&ha->fwres.iocb_used, 0); atomic_set(&ha->fwres.exch_used, 0); } void qla_adjust_iocb_limit(scsi_qla_host_t *vha) { u8 i; struct qla_hw_data *ha = vha->hw; __qla_adjust_iocb_limit(ha->base_qpair); for (i = 0; i < ha->max_qpairs; i++) { if (ha->queue_pair_map[i]) __qla_adjust_iocb_limit(ha->queue_pair_map[i]); } } /** * qla2x00_setup_chip() - Load and start RISC firmware. * @vha: HA context * * Returns 0 on success. */ static int qla2x00_setup_chip(scsi_qla_host_t *vha) { int rval; uint32_t srisc_address = 0; struct qla_hw_data *ha = vha->hw; struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; unsigned long flags; int done_once = 0; if (IS_P3P_TYPE(ha)) { rval = ha->isp_ops->load_risc(vha, &srisc_address); if (rval == QLA_SUCCESS) { qla2x00_stop_firmware(vha); goto enable_82xx_npiv; } else goto failed; } if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) { /* Disable SRAM, Instruction RAM and GP RAM parity. */ spin_lock_irqsave(&ha->hardware_lock, flags); wrt_reg_word(®->hccr, (HCCR_ENABLE_PARITY + 0x0)); rd_reg_word(®->hccr); spin_unlock_irqrestore(&ha->hardware_lock, flags); } qla81xx_mpi_sync(vha); execute_fw_with_lr: /* Load firmware sequences */ rval = ha->isp_ops->load_risc(vha, &srisc_address); if (rval == QLA_SUCCESS) { ql_dbg(ql_dbg_init, vha, 0x00c9, "Verifying Checksum of loaded RISC code.\n"); rval = qla2x00_verify_checksum(vha, srisc_address); if (rval == QLA_SUCCESS) { /* Start firmware execution. */ ql_dbg(ql_dbg_init, vha, 0x00ca, "Starting firmware.\n"); if (ql2xexlogins) ha->flags.exlogins_enabled = 1; if (qla_is_exch_offld_enabled(vha)) ha->flags.exchoffld_enabled = 1; rval = qla2x00_execute_fw(vha, srisc_address); /* Retrieve firmware information. */ if (rval == QLA_SUCCESS) { /* Enable BPM support? */ if (!done_once++ && qla24xx_detect_sfp(vha)) { ql_dbg(ql_dbg_init, vha, 0x00ca, "Re-starting firmware -- BPM.\n"); /* Best-effort - re-init. */ ha->isp_ops->reset_chip(vha); ha->isp_ops->chip_diag(vha); goto execute_fw_with_lr; } if (IS_ZIO_THRESHOLD_CAPABLE(ha)) qla27xx_set_zio_threshold(vha, ha->last_zio_threshold); rval = qla2x00_set_exlogins_buffer(vha); if (rval != QLA_SUCCESS) goto failed; rval = qla2x00_set_exchoffld_buffer(vha); if (rval != QLA_SUCCESS) goto failed; enable_82xx_npiv: if (IS_P3P_TYPE(ha)) qla82xx_check_md_needed(vha); else rval = qla2x00_get_fw_version(vha); if (rval != QLA_SUCCESS) goto failed; ha->flags.npiv_supported = 0; if (IS_QLA2XXX_MIDTYPE(ha) && (ha->fw_attributes & BIT_2)) { ha->flags.npiv_supported = 1; if ((!ha->max_npiv_vports) || ((ha->max_npiv_vports + 1) % MIN_MULTI_ID_FABRIC)) ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1; } qla2x00_get_resource_cnts(vha); qla_init_iocb_limit(vha); /* * Allocate the array of outstanding commands * now that we know the firmware resources. */ rval = qla2x00_alloc_outstanding_cmds(ha, vha->req); if (rval != QLA_SUCCESS) goto failed; if (ql2xallocfwdump && !(IS_P3P_TYPE(ha))) qla2x00_alloc_fw_dump(vha); qla_enable_fce_trace(vha); qla_enable_eft_trace(vha); } else { goto failed; } } else { ql_log(ql_log_fatal, vha, 0x00cd, "ISP Firmware failed checksum.\n"); goto failed; } /* Enable PUREX PASSTHRU */ if (ql2xrdpenable || ha->flags.scm_supported_f || ha->flags.edif_enabled) qla25xx_set_els_cmds_supported(vha); } else goto failed; if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) { /* Enable proper parity. */ spin_lock_irqsave(&ha->hardware_lock, flags); if (IS_QLA2300(ha)) /* SRAM parity */ wrt_reg_word(®->hccr, HCCR_ENABLE_PARITY + 0x1); else /* SRAM, Instruction RAM and GP RAM parity */ wrt_reg_word(®->hccr, HCCR_ENABLE_PARITY + 0x7); rd_reg_word(®->hccr); spin_unlock_irqrestore(&ha->hardware_lock, flags); } if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) ha->flags.fac_supported = 1; else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) { uint32_t size; rval = qla81xx_fac_get_sector_size(vha, &size); if (rval == QLA_SUCCESS) { ha->flags.fac_supported = 1; ha->fdt_block_size = size << 2; } else { ql_log(ql_log_warn, vha, 0x00ce, "Unsupported FAC firmware (%d.%02d.%02d).\n", ha->fw_major_version, ha->fw_minor_version, ha->fw_subminor_version); if (IS_QLA83XX(ha)) { ha->flags.fac_supported = 0; rval = QLA_SUCCESS; } } } failed: if (rval) { ql_log(ql_log_fatal, vha, 0x00cf, "Setup chip ****FAILED****.\n"); } return (rval); } /** * qla2x00_init_response_q_entries() - Initializes response queue entries. * @rsp: response queue * * Beginning of request ring has initialization control block already built * by nvram config routine. * * Returns 0 on success. */ void qla2x00_init_response_q_entries(struct rsp_que *rsp) { uint16_t cnt; response_t *pkt; rsp->ring_ptr = rsp->ring; rsp->ring_index = 0; rsp->status_srb = NULL; pkt = rsp->ring_ptr; for (cnt = 0; cnt < rsp->length; cnt++) { pkt->signature = RESPONSE_PROCESSED; pkt++; } } /** * qla2x00_update_fw_options() - Read and process firmware options. * @vha: HA context * * Returns 0 on success. */ void qla2x00_update_fw_options(scsi_qla_host_t *vha) { uint16_t swing, emphasis, tx_sens, rx_sens; struct qla_hw_data *ha = vha->hw; memset(ha->fw_options, 0, sizeof(ha->fw_options)); qla2x00_get_fw_options(vha, ha->fw_options); if (IS_QLA2100(ha) || IS_QLA2200(ha)) return; /* Serial Link options. */ ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115, "Serial link options.\n"); ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109, ha->fw_seriallink_options, sizeof(ha->fw_seriallink_options)); ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING; if (ha->fw_seriallink_options[3] & BIT_2) { ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING; /* 1G settings */ swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0); emphasis = (ha->fw_seriallink_options[2] & (BIT_4 | BIT_3)) >> 3; tx_sens = ha->fw_seriallink_options[0] & (BIT_3 | BIT_2 | BIT_1 | BIT_0); rx_sens = (ha->fw_seriallink_options[0] & (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; ha->fw_options[10] = (emphasis << 14) | (swing << 8); if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { if (rx_sens == 0x0) rx_sens = 0x3; ha->fw_options[10] |= (tx_sens << 4) | rx_sens; } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) ha->fw_options[10] |= BIT_5 | ((rx_sens & (BIT_1 | BIT_0)) << 2) | (tx_sens & (BIT_1 | BIT_0)); /* 2G settings */ swing = (ha->fw_seriallink_options[2] & (BIT_7 | BIT_6 | BIT_5)) >> 5; emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0); tx_sens = ha->fw_seriallink_options[1] & (BIT_3 | BIT_2 | BIT_1 | BIT_0); rx_sens = (ha->fw_seriallink_options[1] & (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; ha->fw_options[11] = (emphasis << 14) | (swing << 8); if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { if (rx_sens == 0x0) rx_sens = 0x3; ha->fw_options[11] |= (tx_sens << 4) | rx_sens; } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) ha->fw_options[11] |= BIT_5 | ((rx_sens & (BIT_1 | BIT_0)) << 2) | (tx_sens & (BIT_1 | BIT_0)); } /* FCP2 options. */ /* Return command IOCBs without waiting for an ABTS to complete. */ ha->fw_options[3] |= BIT_13; /* LED scheme. */ if (ha->flags.enable_led_scheme) ha->fw_options[2] |= BIT_12; /* Detect ISP6312. */ if (IS_QLA6312(ha)) ha->fw_options[2] |= BIT_13; /* Set Retry FLOGI in case of P2P connection */ if (ha->operating_mode == P2P) { ha->fw_options[2] |= BIT_3; ql_dbg(ql_dbg_disc, vha, 0x2100, "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n", __func__, ha->fw_options[2]); } /* Update firmware options. */ qla2x00_set_fw_options(vha, ha->fw_options); } void qla24xx_update_fw_options(scsi_qla_host_t *vha) { int rval; struct qla_hw_data *ha = vha->hw; if (IS_P3P_TYPE(ha)) return; /* Hold status IOCBs until ABTS response received. */ if (ql2xfwholdabts) ha->fw_options[3] |= BIT_12; /* Set Retry FLOGI in case of P2P connection */ if (ha->operating_mode == P2P) { ha->fw_options[2] |= BIT_3; ql_dbg(ql_dbg_disc, vha, 0x2101, "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n", __func__, ha->fw_options[2]); } /* Move PUREX, ABTS RX & RIDA to ATIOQ */ if (ql2xmvasynctoatio && !ha->flags.edif_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))) { if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) ha->fw_options[2] |= BIT_11; else ha->fw_options[2] &= ~BIT_11; } if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { /* * Tell FW to track each exchange to prevent * driver from using stale exchange. */ if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) ha->fw_options[2] |= BIT_4; else ha->fw_options[2] &= ~(BIT_4); /* Reserve 1/2 of emergency exchanges for ELS.*/ if (qla2xuseresexchforels) ha->fw_options[2] |= BIT_8; else ha->fw_options[2] &= ~BIT_8; /* * N2N: set Secure=1 for PLOGI ACC and * fw shal not send PRLI after PLOGI Acc */ if (ha->flags.edif_enabled && DBELL_ACTIVE(vha)) { ha->fw_options[3] |= BIT_15; ha->flags.n2n_fw_acc_sec = 1; } else { ha->fw_options[3] &= ~BIT_15; ha->flags.n2n_fw_acc_sec = 0; } } if (ql2xrdpenable || ha->flags.scm_supported_f || ha->flags.edif_enabled) ha->fw_options[1] |= ADD_FO1_ENABLE_PUREX_IOCB; /* Enable Async 8130/8131 events -- transceiver insertion/removal */ if (IS_BPM_RANGE_CAPABLE(ha)) ha->fw_options[3] |= BIT_10; ql_dbg(ql_dbg_init, vha, 0x00e8, "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n", __func__, ha->fw_options[1], ha->fw_options[2], ha->fw_options[3], vha->host->active_mode); if (ha->fw_options[1] || ha->fw_options[2] || ha->fw_options[3]) qla2x00_set_fw_options(vha, ha->fw_options); /* Update Serial Link options. */ if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0) return; rval = qla2x00_set_serdes_params(vha, le16_to_cpu(ha->fw_seriallink_options24[1]), le16_to_cpu(ha->fw_seriallink_options24[2]), le16_to_cpu(ha->fw_seriallink_options24[3])); if (rval != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x0104, "Unable to update Serial Link options (%x).\n", rval); } } void qla2x00_config_rings(struct scsi_qla_host *vha) { struct qla_hw_data *ha = vha->hw; struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; struct req_que *req = ha->req_q_map[0]; struct rsp_que *rsp = ha->rsp_q_map[0]; /* Setup ring parameters in initialization control block. */ ha->init_cb->request_q_outpointer = cpu_to_le16(0); ha->init_cb->response_q_inpointer = cpu_to_le16(0); ha->init_cb->request_q_length = cpu_to_le16(req->length); ha->init_cb->response_q_length = cpu_to_le16(rsp->length); put_unaligned_le64(req->dma, &ha->init_cb->request_q_address); put_unaligned_le64(rsp->dma, &ha->init_cb->response_q_address); wrt_reg_word(ISP_REQ_Q_IN(ha, reg), 0); wrt_reg_word(ISP_REQ_Q_OUT(ha, reg), 0); wrt_reg_word(ISP_RSP_Q_IN(ha, reg), 0); wrt_reg_word(ISP_RSP_Q_OUT(ha, reg), 0); rd_reg_word(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */ } void qla24xx_config_rings(struct scsi_qla_host *vha) { struct qla_hw_data *ha = vha->hw; device_reg_t *reg = ISP_QUE_REG(ha, 0); struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp; struct qla_msix_entry *msix; struct init_cb_24xx *icb; uint16_t rid = 0; struct req_que *req = ha->req_q_map[0]; struct rsp_que *rsp = ha->rsp_q_map[0]; /* Setup ring parameters in initialization control block. */ icb = (struct init_cb_24xx *)ha->init_cb; icb->request_q_outpointer = cpu_to_le16(0); icb->response_q_inpointer = cpu_to_le16(0); icb->request_q_length = cpu_to_le16(req->length); icb->response_q_length = cpu_to_le16(rsp->length); put_unaligned_le64(req->dma, &icb->request_q_address); put_unaligned_le64(rsp->dma, &icb->response_q_address); /* Setup ATIO queue dma pointers for target mode */ icb->atio_q_inpointer = cpu_to_le16(0); icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length); put_unaligned_le64(ha->tgt.atio_dma, &icb->atio_q_address); if (IS_SHADOW_REG_CAPABLE(ha)) icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29); if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS); icb->rid = cpu_to_le16(rid); if (ha->flags.msix_enabled) { msix = &ha->msix_entries[1]; ql_dbg(ql_dbg_init, vha, 0x0019, "Registering vector 0x%x for base que.\n", msix->entry); icb->msix = cpu_to_le16(msix->entry); } /* Use alternate PCI bus number */ if (MSB(rid)) icb->firmware_options_2 |= cpu_to_le32(BIT_19); /* Use alternate PCI devfn */ if (LSB(rid)) icb->firmware_options_2 |= cpu_to_le32(BIT_18); /* Use Disable MSIX Handshake mode for capable adapters */ if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) && (ha->flags.msix_enabled)) { icb->firmware_options_2 &= cpu_to_le32(~BIT_22); ha->flags.disable_msix_handshake = 1; ql_dbg(ql_dbg_init, vha, 0x00fe, "MSIX Handshake Disable Mode turned on.\n"); } else { icb->firmware_options_2 |= cpu_to_le32(BIT_22); } icb->firmware_options_2 |= cpu_to_le32(BIT_23); wrt_reg_dword(®->isp25mq.req_q_in, 0); wrt_reg_dword(®->isp25mq.req_q_out, 0); wrt_reg_dword(®->isp25mq.rsp_q_in, 0); wrt_reg_dword(®->isp25mq.rsp_q_out, 0); } else { wrt_reg_dword(®->isp24.req_q_in, 0); wrt_reg_dword(®->isp24.req_q_out, 0); wrt_reg_dword(®->isp24.rsp_q_in, 0); wrt_reg_dword(®->isp24.rsp_q_out, 0); } qlt_24xx_config_rings(vha); /* If the user has configured the speed, set it here */ if (ha->set_data_rate) { ql_dbg(ql_dbg_init, vha, 0x00fd, "Speed set by user : %s Gbps \n", qla2x00_get_link_speed_str(ha, ha->set_data_rate)); icb->firmware_options_3 = cpu_to_le32(ha->set_data_rate << 13); } /* PCI posting */ rd_reg_word(&ioreg->hccr); } /** * qla2x00_init_rings() - Initializes firmware. * @vha: HA context * * Beginning of request ring has initialization control block already built * by nvram config routine. * * Returns 0 on success. */ int qla2x00_init_rings(scsi_qla_host_t *vha) { int rval; unsigned long flags = 0; int cnt, que; struct qla_hw_data *ha = vha->hw; struct req_que *req; struct rsp_que *rsp; struct mid_init_cb_24xx *mid_init_cb = (struct mid_init_cb_24xx *) ha->init_cb; spin_lock_irqsave(&ha->hardware_lock, flags); /* Clear outstanding commands array. */ for (que = 0; que < ha->max_req_queues; que++) { req = ha->req_q_map[que]; if (!req || !test_bit(que, ha->req_qid_map)) continue; req->out_ptr = (uint16_t *)(req->ring + req->length); *req->out_ptr = 0; for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) req->outstanding_cmds[cnt] = NULL; req->current_outstanding_cmd = 1; /* Initialize firmware. */ req->ring_ptr = req->ring; req->ring_index = 0; req->cnt = req->length; } for (que = 0; que < ha->max_rsp_queues; que++) { rsp = ha->rsp_q_map[que]; if (!rsp || !test_bit(que, ha->rsp_qid_map)) continue; rsp->in_ptr = (uint16_t *)(rsp->ring + rsp->length); *rsp->in_ptr = 0; /* Initialize response queue entries */ if (IS_QLAFX00(ha)) qlafx00_init_response_q_entries(rsp); else qla2x00_init_response_q_entries(rsp); } ha->tgt.atio_ring_ptr = ha->tgt.atio_ring; ha->tgt.atio_ring_index = 0; /* Initialize ATIO queue entries */ qlt_init_atio_q_entries(vha); ha->isp_ops->config_rings(vha); spin_unlock_irqrestore(&ha->hardware_lock, flags); if (IS_QLAFX00(ha)) { rval = qlafx00_init_firmware(vha, ha->init_cb_size); goto next_check; } /* Update any ISP specific firmware options before initialization. */ ha->isp_ops->update_fw_options(vha); ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware FW opt 1-3= %08x %08x %08x.\n", le32_to_cpu(mid_init_cb->init_cb.firmware_options_1), le32_to_cpu(mid_init_cb->init_cb.firmware_options_2), le32_to_cpu(mid_init_cb->init_cb.firmware_options_3)); if (ha->flags.npiv_supported) { if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha)) ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1; mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports); } if (IS_FWI2_CAPABLE(ha)) { mid_init_cb->options = cpu_to_le16(BIT_1); mid_init_cb->init_cb.execution_throttle = cpu_to_le16(ha->cur_fw_xcb_count); ha->flags.dport_enabled = (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) & BIT_7) != 0; ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n", (ha->flags.dport_enabled) ? "enabled" : "disabled"); /* FA-WWPN Status */ ha->flags.fawwpn_enabled = (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) & BIT_6) != 0; ql_dbg(ql_dbg_init, vha, 0x00bc, "FA-WWPN Support: %s.\n", (ha->flags.fawwpn_enabled) ? "enabled" : "disabled"); /* Init_cb will be reused for other command(s). Save a backup copy of port_name */ memcpy(ha->port_name, ha->init_cb->port_name, WWN_SIZE); } /* ELS pass through payload is limit by frame size. */ if (ha->flags.edif_enabled) mid_init_cb->init_cb.frame_payload_size = cpu_to_le16(ELS_MAX_PAYLOAD); QLA_FW_STARTED(ha); rval = qla2x00_init_firmware(vha, ha->init_cb_size); next_check: if (rval) { QLA_FW_STOPPED(ha); ql_log(ql_log_fatal, vha, 0x00d2, "Init Firmware **** FAILED ****.\n"); } else { ql_dbg(ql_dbg_init, vha, 0x00d3, "Init Firmware -- success.\n"); vha->u_ql2xexchoffld = vha->u_ql2xiniexchg = 0; } return (rval); } /** * qla2x00_fw_ready() - Waits for firmware ready. * @vha: HA context * * Returns 0 on success. */ static int qla2x00_fw_ready(scsi_qla_host_t *vha) { int rval; unsigned long wtime, mtime, cs84xx_time; uint16_t min_wait; /* Minimum wait time if loop is down */ uint16_t wait_time; /* Wait time if loop is coming ready */ uint16_t state[6]; struct qla_hw_data *ha = vha->hw; if (IS_QLAFX00(vha->hw)) return qlafx00_fw_ready(vha); /* Time to wait for loop down */ if (IS_P3P_TYPE(ha)) min_wait = 30; else min_wait = 20; /* * Firmware should take at most one RATOV to login, plus 5 seconds for * our own processing. */ if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) { wait_time = min_wait; } /* Min wait time if loop down */ mtime = jiffies + (min_wait * HZ); /* wait time before firmware ready */ wtime = jiffies + (wait_time * HZ); /* Wait for ISP to finish LIP */ if (!vha->flags.init_done) ql_log(ql_log_info, vha, 0x801e, "Waiting for LIP to complete.\n"); do { memset(state, -1, sizeof(state)); rval = qla2x00_get_firmware_state(vha, state); if (rval == QLA_SUCCESS) { if (state[0] < FSTATE_LOSS_OF_SYNC) { vha->device_flags &= ~DFLG_NO_CABLE; } if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) { ql_dbg(ql_dbg_taskm, vha, 0x801f, "fw_state=%x 84xx=%x.\n", state[0], state[2]); if ((state[2] & FSTATE_LOGGED_IN) && (state[2] & FSTATE_WAITING_FOR_VERIFY)) { ql_dbg(ql_dbg_taskm, vha, 0x8028, "Sending verify iocb.\n"); cs84xx_time = jiffies; rval = qla84xx_init_chip(vha); if (rval != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x8007, "Init chip failed.\n"); break; } /* Add time taken to initialize. */ cs84xx_time = jiffies - cs84xx_time; wtime += cs84xx_time; mtime += cs84xx_time; ql_dbg(ql_dbg_taskm, vha, 0x8008, "Increasing wait time by %ld. " "New time %ld.\n", cs84xx_time, wtime); } } else if (state[0] == FSTATE_READY) { ql_dbg(ql_dbg_taskm, vha, 0x8037, "F/W Ready - OK.\n"); qla2x00_get_retry_cnt(vha, &ha->retry_count, &ha->login_timeout, &ha->r_a_tov); rval = QLA_SUCCESS; break; } rval = QLA_FUNCTION_FAILED; if (atomic_read(&vha->loop_down_timer) && state[0] != FSTATE_READY) { /* Loop down. Timeout on min_wait for states * other than Wait for Login. */ if (time_after_eq(jiffies, mtime)) { ql_log(ql_log_info, vha, 0x8038, "Cable is unplugged...\n"); vha->device_flags |= DFLG_NO_CABLE; break; } } } else { /* Mailbox cmd failed. Timeout on min_wait. */ if (time_after_eq(jiffies, mtime) || ha->flags.isp82xx_fw_hung) break; } if (time_after_eq(jiffies, wtime)) break; /* Delay for a while */ msleep(500); } while (1); ql_dbg(ql_dbg_taskm, vha, 0x803a, "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0], state[1], state[2], state[3], state[4], state[5], jiffies); if (rval && !(vha->device_flags & DFLG_NO_CABLE)) { ql_log(ql_log_warn, vha, 0x803b, "Firmware ready **** FAILED ****.\n"); } return (rval); } /* * qla2x00_configure_hba * Setup adapter context. * * Input: * ha = adapter state pointer. * * Returns: * 0 = success * * Context: * Kernel context. */ static int qla2x00_configure_hba(scsi_qla_host_t *vha) { int rval; uint16_t loop_id; uint16_t topo; uint16_t sw_cap; uint8_t al_pa; uint8_t area; uint8_t domain; char connect_type[22]; struct qla_hw_data *ha = vha->hw; scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); port_id_t id; unsigned long flags; /* Get host addresses. */ rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa, &area, &domain, &topo, &sw_cap); if (rval != QLA_SUCCESS) { if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) || IS_CNA_CAPABLE(ha) || (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) { ql_dbg(ql_dbg_disc, vha, 0x2008, "Loop is in a transition state.\n"); } else { ql_log(ql_log_warn, vha, 0x2009, "Unable to get host loop ID.\n"); if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) && (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) { ql_log(ql_log_warn, vha, 0x1151, "Doing link init.\n"); if (qla24xx_link_initialize(vha) == QLA_SUCCESS) return rval; } set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); } return (rval); } if (topo == 4) { ql_log(ql_log_info, vha, 0x200a, "Cannot get topology - retrying.\n"); return (QLA_FUNCTION_FAILED); } vha->loop_id = loop_id; /* initialize */ ha->min_external_loopid = SNS_FIRST_LOOP_ID; ha->operating_mode = LOOP; switch (topo) { case 0: ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n"); ha->switch_cap = 0; ha->current_topology = ISP_CFG_NL; strcpy(connect_type, "(Loop)"); break; case 1: ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n"); ha->switch_cap = sw_cap; ha->current_topology = ISP_CFG_FL; strcpy(connect_type, "(FL_Port)"); break; case 2: ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n"); ha->switch_cap = 0; ha->operating_mode = P2P; ha->current_topology = ISP_CFG_N; strcpy(connect_type, "(N_Port-to-N_Port)"); break; case 3: ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n"); ha->switch_cap = sw_cap; ha->operating_mode = P2P; ha->current_topology = ISP_CFG_F; strcpy(connect_type, "(F_Port)"); break; default: ql_dbg(ql_dbg_disc, vha, 0x200f, "HBA in unknown topology %x, using NL.\n", topo); ha->switch_cap = 0; ha->current_topology = ISP_CFG_NL; strcpy(connect_type, "(Loop)"); break; } /* Save Host port and loop ID. */ /* byte order - Big Endian */ id.b.domain = domain; id.b.area = area; id.b.al_pa = al_pa; id.b.rsvd_1 = 0; spin_lock_irqsave(&ha->hardware_lock, flags); if (vha->hw->flags.edif_enabled) { if (topo != 2) qla_update_host_map(vha, id); } else if (!(topo == 2 && ha->flags.n2n_bigger)) qla_update_host_map(vha, id); spin_unlock_irqrestore(&ha->hardware_lock, flags); if (!vha->flags.init_done) ql_log(ql_log_info, vha, 0x2010, "Topology - %s, Host Loop address 0x%x.\n", connect_type, vha->loop_id); return(rval); } inline void qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len, const char *def) { char *st, *en; uint16_t index; uint64_t zero[2] = { 0 }; struct qla_hw_data *ha = vha->hw; int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha); if (len > sizeof(zero)) len = sizeof(zero); if (memcmp(model, &zero, len) != 0) { memcpy(ha->model_number, model, len); st = en = ha->model_number; en += len - 1; while (en > st) { if (*en != 0x20 && *en != 0x00) break; *en-- = '\0'; } index = (ha->pdev->subsystem_device & 0xff); if (use_tbl && ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC && index < QLA_MODEL_NAMES) strscpy(ha->model_desc, qla2x00_model_name[index * 2 + 1], sizeof(ha->model_desc)); } else { index = (ha->pdev->subsystem_device & 0xff); if (use_tbl && ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC && index < QLA_MODEL_NAMES) { strscpy(ha->model_number, qla2x00_model_name[index * 2], sizeof(ha->model_number)); strscpy(ha->model_desc, qla2x00_model_name[index * 2 + 1], sizeof(ha->model_desc)); } else { strscpy(ha->model_number, def, sizeof(ha->model_number)); } } if (IS_FWI2_CAPABLE(ha)) qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc, sizeof(ha->model_desc)); } /* On sparc systems, obtain port and node WWN from firmware * properties. */ static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv) { #ifdef CONFIG_SPARC struct qla_hw_data *ha = vha->hw; struct pci_dev *pdev = ha->pdev; struct device_node *dp = pci_device_to_OF_node(pdev); const u8 *val; int len; val = of_get_property(dp, "port-wwn", &len); if (val && len >= WWN_SIZE) memcpy(nv->port_name, val, WWN_SIZE); val = of_get_property(dp, "node-wwn", &len); if (val && len >= WWN_SIZE) memcpy(nv->node_name, val, WWN_SIZE); #endif } /* * NVRAM configuration for ISP 2xxx * * Input: * ha = adapter block pointer. * * Output: * initialization control block in response_ring * host adapters parameters in host adapter block * * Returns: * 0 = success. */ int qla2x00_nvram_config(scsi_qla_host_t *vha) { int rval; uint8_t chksum = 0; uint16_t cnt; uint8_t *dptr1, *dptr2; struct qla_hw_data *ha = vha->hw; init_cb_t *icb = ha->init_cb; nvram_t *nv = ha->nvram; uint8_t *ptr = ha->nvram; struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; rval = QLA_SUCCESS; /* Determine NVRAM starting address. */ ha->nvram_size = sizeof(*nv); ha->nvram_base = 0; if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) if ((rd_reg_word(®->ctrl_status) >> 14) == 1) ha->nvram_base = 0x80; /* Get NVRAM data and calculate checksum. */ ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size); for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++) chksum += *ptr++; ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f, "Contents of NVRAM.\n"); ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110, nv, ha->nvram_size); /* Bad NVRAM data, set defaults parameters. */ if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) || nv->nvram_version < 1) { /* Reset NVRAM data. */ ql_log(ql_log_warn, vha, 0x0064, "Inconsistent NVRAM detected: checksum=%#x id=%.4s version=%#x.\n", chksum, nv->id, nv->nvram_version); ql_log(ql_log_warn, vha, 0x0065, "Falling back to " "functioning (yet invalid -- WWPN) defaults.\n"); /* * Set default initialization control block. */ memset(nv, 0, ha->nvram_size); nv->parameter_block_version = ICB_VERSION; if (IS_QLA23XX(ha)) { nv->firmware_options[0] = BIT_2 | BIT_1; nv->firmware_options[1] = BIT_7 | BIT_5; nv->add_firmware_options[0] = BIT_5; nv->add_firmware_options[1] = BIT_5 | BIT_4; nv->frame_payload_size = cpu_to_le16(2048); nv->special_options[1] = BIT_7; } else if (IS_QLA2200(ha)) { nv->firmware_options[0] = BIT_2 | BIT_1; nv->firmware_options[1] = BIT_7 | BIT_5; nv->add_firmware_options[0] = BIT_5; nv->add_firmware_options[1] = BIT_5 | BIT_4; nv->frame_payload_size = cpu_to_le16(1024); } else if (IS_QLA2100(ha)) { nv->firmware_options[0] = BIT_3 | BIT_1; nv->firmware_options[1] = BIT_5; nv->frame_payload_size = cpu_to_le16(1024); } nv->max_iocb_allocation = cpu_to_le16(256); nv->execution_throttle = cpu_to_le16(16); nv->retry_count = 8; nv->retry_delay = 1; nv->port_name[0] = 33; nv->port_name[3] = 224; nv->port_name[4] = 139; qla2xxx_nvram_wwn_from_ofw(vha, nv); nv->login_timeout = 4; /* * Set default host adapter parameters */ nv->host_p[1] = BIT_2; nv->reset_delay = 5; nv->port_down_retry_count = 8; nv->max_luns_per_target = cpu_to_le16(8); nv->link_down_timeout = 60; rval = 1; } /* Reset Initialization control block */ memset(icb, 0, ha->init_cb_size); /* * Setup driver NVRAM options. */ nv->firmware_options[0] |= (BIT_6 | BIT_1); nv->firmware_options[0] &= ~(BIT_5 | BIT_4); nv->firmware_options[1] |= (BIT_5 | BIT_0); nv->firmware_options[1] &= ~BIT_4; if (IS_QLA23XX(ha)) { nv->firmware_options[0] |= BIT_2; nv->firmware_options[0] &= ~BIT_3; nv->special_options[0] &= ~BIT_6; nv->add_firmware_options[1] |= BIT_5 | BIT_4; if (IS_QLA2300(ha)) { if (ha->fb_rev == FPM_2310) { strcpy(ha->model_number, "QLA2310"); } else { strcpy(ha->model_number, "QLA2300"); } } else { qla2x00_set_model_info(vha, nv->model_number, sizeof(nv->model_number), "QLA23xx"); } } else if (IS_QLA2200(ha)) { nv->firmware_options[0] |= BIT_2; /* * 'Point-to-point preferred, else loop' is not a safe * connection mode setting. */ if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) == (BIT_5 | BIT_4)) { /* Force 'loop preferred, else point-to-point'. */ nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4); nv->add_firmware_options[0] |= BIT_5; } strcpy(ha->model_number, "QLA22xx"); } else /*if (IS_QLA2100(ha))*/ { strcpy(ha->model_number, "QLA2100"); } /* * Copy over NVRAM RISC parameter block to initialization control block. */ dptr1 = (uint8_t *)icb; dptr2 = (uint8_t *)&nv->parameter_block_version; cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version; while (cnt--) *dptr1++ = *dptr2++; /* Copy 2nd half. */ dptr1 = (uint8_t *)icb->add_firmware_options; cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options; while (cnt--) *dptr1++ = *dptr2++; ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size); /* Use alternate WWN? */ if (nv->host_p[1] & BIT_7) { memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); } /* Prepare nodename */ if ((icb->firmware_options[1] & BIT_6) == 0) { /* * Firmware will apply the following mask if the nodename was * not provided. */ memcpy(icb->node_name, icb->port_name, WWN_SIZE); icb->node_name[0] &= 0xF0; } /* * Set host adapter parameters. */ /* * BIT_7 in the host-parameters section allows for modification to * internal driver logging. */ if (nv->host_p[0] & BIT_7) ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK; ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0); /* Always load RISC code on non ISP2[12]00 chips. */ if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) ha->flags.disable_risc_code_load = 0; ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0); ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0); ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0); ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0; ha->flags.disable_serdes = 0; ha->operating_mode = (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4; memcpy(ha->fw_seriallink_options, nv->seriallink_options, sizeof(ha->fw_seriallink_options)); /* save HBA serial number */ ha->serial0 = icb->port_name[5]; ha->serial1 = icb->port_name[6]; ha->serial2 = icb->port_name[7]; memcpy(vha->node_name, icb->node_name, WWN_SIZE); memcpy(vha->port_name, icb->port_name, WWN_SIZE); icb->execution_throttle = cpu_to_le16(0xFFFF); ha->retry_count = nv->retry_count; /* Set minimum login_timeout to 4 seconds. */ if (nv->login_timeout != ql2xlogintimeout) nv->login_timeout = ql2xlogintimeout; if (nv->login_timeout < 4) nv->login_timeout = 4; ha->login_timeout = nv->login_timeout; /* Set minimum RATOV to 100 tenths of a second. */ ha->r_a_tov = 100; ha->loop_reset_delay = nv->reset_delay; /* Link Down Timeout = 0: * * When Port Down timer expires we will start returning * I/O's to OS with "DID_NO_CONNECT". * * Link Down Timeout != 0: * * The driver waits for the link to come up after link down * before returning I/Os to OS with "DID_NO_CONNECT". */ if (nv->link_down_timeout == 0) { ha->loop_down_abort_time = (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); } else { ha->link_down_timeout = nv->link_down_timeout; ha->loop_down_abort_time = (LOOP_DOWN_TIME - ha->link_down_timeout); } /* * Need enough time to try and get the port back. */ ha->port_down_retry_count = nv->port_down_retry_count; if (qlport_down_retry) ha->port_down_retry_count = qlport_down_retry; /* Set login_retry_count */ ha->login_retry_count = nv->retry_count; if (ha->port_down_retry_count == nv->port_down_retry_count && ha->port_down_retry_count > 3) ha->login_retry_count = ha->port_down_retry_count; else if (ha->port_down_retry_count > (int)ha->login_retry_count) ha->login_retry_count = ha->port_down_retry_count; if (ql2xloginretrycount) ha->login_retry_count = ql2xloginretrycount; icb->lun_enables = cpu_to_le16(0); icb->command_resource_count = 0; icb->immediate_notify_resource_count = 0; icb->timeout = cpu_to_le16(0); if (IS_QLA2100(ha) || IS_QLA2200(ha)) { /* Enable RIO */ icb->firmware_options[0] &= ~BIT_3; icb->add_firmware_options[0] &= ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); icb->add_firmware_options[0] |= BIT_2; icb->response_accumulation_timer = 3; icb->interrupt_delay_timer = 5; vha->flags.process_response_queue = 1; } else { /* Enable ZIO. */ if (!vha->flags.init_done) { ha->zio_mode = icb->add_firmware_options[0] & (BIT_3 | BIT_2 | BIT_1 | BIT_0); ha->zio_timer = icb->interrupt_delay_timer ? icb->interrupt_delay_timer : 2; } icb->add_firmware_options[0] &= ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); vha->flags.process_response_queue = 0; if (ha->zio_mode != QLA_ZIO_DISABLED) { ha->zio_mode = QLA_ZIO_MODE_6; ql_log(ql_log_info, vha, 0x0068, "ZIO mode %d enabled; timer delay (%d us).\n", ha->zio_mode, ha->zio_timer * 100); icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode; icb->interrupt_delay_timer = (uint8_t)ha->zio_timer; vha->flags.process_response_queue = 1; } } if (rval) { ql_log(ql_log_warn, vha, 0x0069, "NVRAM configuration failed.\n"); } return (rval); } void qla2x00_set_fcport_state(fc_port_t *fcport, int state) { int old_state; old_state = atomic_read(&fcport->state); atomic_set(&fcport->state, state); /* Don't print state transitions during initial allocation of fcport */ if (old_state && old_state != state) { ql_dbg(ql_dbg_disc, fcport->vha, 0x207d, "FCPort %8phC state transitioned from %s to %s - portid=%02x%02x%02x.\n", fcport->port_name, port_state_str[old_state], port_state_str[state], fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa); } } /** * qla2x00_alloc_fcport() - Allocate a generic fcport. * @vha: HA context * @flags: allocation flags * * Returns a pointer to the allocated fcport, or NULL, if none available. */ fc_port_t * qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags) { fc_port_t *fcport; fcport = kzalloc(sizeof(fc_port_t), flags); if (!fcport) return NULL; fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev, sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma, flags); if (!fcport->ct_desc.ct_sns) { ql_log(ql_log_warn, vha, 0xd049, "Failed to allocate ct_sns request.\n"); kfree(fcport); return NULL; } /* Setup fcport template structure. */ fcport->vha = vha; fcport->port_type = FCT_UNKNOWN; fcport->loop_id = FC_NO_LOOP_ID; qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED); fcport->supported_classes = FC_COS_UNSPECIFIED; fcport->fp_speed = PORT_SPEED_UNKNOWN; fcport->disc_state = DSC_DELETED; fcport->fw_login_state = DSC_LS_PORT_UNAVAIL; fcport->deleted = QLA_SESS_DELETED; fcport->login_retry = vha->hw->login_retry_count; fcport->chip_reset = vha->hw->base_qpair->chip_reset; fcport->logout_on_delete = 1; fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME; fcport->tgt_short_link_down_cnt = 0; fcport->dev_loss_tmo = 0; if (!fcport->ct_desc.ct_sns) { ql_log(ql_log_warn, vha, 0xd049, "Failed to allocate ct_sns request.\n"); kfree(fcport); return NULL; } INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn); INIT_WORK(&fcport->free_work, qlt_free_session_done); INIT_WORK(&fcport->reg_work, qla_register_fcport_fn); INIT_LIST_HEAD(&fcport->gnl_entry); INIT_LIST_HEAD(&fcport->list); INIT_LIST_HEAD(&fcport->unsol_ctx_head); INIT_LIST_HEAD(&fcport->sess_cmd_list); spin_lock_init(&fcport->sess_cmd_lock); spin_lock_init(&fcport->edif.sa_list_lock); INIT_LIST_HEAD(&fcport->edif.tx_sa_list); INIT_LIST_HEAD(&fcport->edif.rx_sa_list); spin_lock_init(&fcport->edif.indx_list_lock); INIT_LIST_HEAD(&fcport->edif.edif_indx_list); return fcport; } void qla2x00_free_fcport(fc_port_t *fcport) { if (fcport->ct_desc.ct_sns) { dma_free_coherent(&fcport->vha->hw->pdev->dev, sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns, fcport->ct_desc.ct_sns_dma); fcport->ct_desc.ct_sns = NULL; } qla_edif_flush_sa_ctl_lists(fcport); list_del(&fcport->list); qla2x00_clear_loop_id(fcport); qla_edif_list_del(fcport); kfree(fcport); } static void qla_get_login_template(scsi_qla_host_t *vha) { struct qla_hw_data *ha = vha->hw; int rval; u32 *bp, sz; __be32 *q; memset(ha->init_cb, 0, ha->init_cb_size); sz = min_t(int, sizeof(struct fc_els_flogi), ha->init_cb_size); rval = qla24xx_get_port_login_templ(vha, ha->init_cb_dma, ha->init_cb, sz); if (rval != QLA_SUCCESS) { ql_dbg(ql_dbg_init, vha, 0x00d1, "PLOGI ELS param read fail.\n"); return; } q = (__be32 *)&ha->plogi_els_payld.fl_csp; bp = (uint32_t *)ha->init_cb; cpu_to_be32_array(q, bp, sz / 4); ha->flags.plogi_template_valid = 1; } /* * qla2x00_configure_loop * Updates Fibre Channel Device Database with what is actually on loop. * * Input: * ha = adapter block pointer. * * Returns: * 0 = success. * 1 = error. * 2 = database was full and device was not configured. */ static int qla2x00_configure_loop(scsi_qla_host_t *vha) { int rval; unsigned long flags, save_flags; struct qla_hw_data *ha = vha->hw; rval = QLA_SUCCESS; /* Get Initiator ID */ if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) { rval = qla2x00_configure_hba(vha); if (rval != QLA_SUCCESS) { ql_dbg(ql_dbg_disc, vha, 0x2013, "Unable to configure HBA.\n"); return (rval); } } save_flags = flags = vha->dpc_flags; ql_dbg(ql_dbg_disc, vha, 0x2014, "Configure loop -- dpc flags = 0x%lx.\n", flags); /* * If we have both an RSCN and PORT UPDATE pending then handle them * both at the same time. */ clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); clear_bit(RSCN_UPDATE, &vha->dpc_flags); qla2x00_get_data_rate(vha); qla_get_login_template(vha); /* Determine what we need to do */ if ((ha->current_topology == ISP_CFG_FL || ha->current_topology == ISP_CFG_F) && (test_bit(LOCAL_LOOP_UPDATE, &flags))) { set_bit(RSCN_UPDATE, &flags); clear_bit(LOCAL_LOOP_UPDATE, &flags); } else if (ha->current_topology == ISP_CFG_NL || ha->current_topology == ISP_CFG_N) { clear_bit(RSCN_UPDATE, &flags); set_bit(LOCAL_LOOP_UPDATE, &flags); } else if (!vha->flags.online || (test_bit(ABORT_ISP_ACTIVE, &flags))) { set_bit(RSCN_UPDATE, &flags); set_bit(LOCAL_LOOP_UPDATE, &flags); } if (test_bit(LOCAL_LOOP_UPDATE, &flags)) { if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) { ql_dbg(ql_dbg_disc, vha, 0x2015, "Loop resync needed, failing.\n"); rval = QLA_FUNCTION_FAILED; } else rval = qla2x00_configure_local_loop(vha); } if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { if (LOOP_TRANSITION(vha)) { ql_dbg(ql_dbg_disc, vha, 0x2099, "Needs RSCN update and loop transition.\n"); rval = QLA_FUNCTION_FAILED; } else rval = qla2x00_configure_fabric(vha); } if (rval == QLA_SUCCESS) { if (atomic_read(&vha->loop_down_timer) || test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) { rval = QLA_FUNCTION_FAILED; } else { atomic_set(&vha->loop_state, LOOP_READY); ql_dbg(ql_dbg_disc, vha, 0x2069, "LOOP READY.\n"); ha->flags.fw_init_done = 1; /* * use link up to wake up app to get ready for * authentication. */ if (ha->flags.edif_enabled && DBELL_INACTIVE(vha)) qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); /* * Process any ATIO queue entries that came in * while we weren't online. */ if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) { spin_lock_irqsave(&ha->tgt.atio_lock, flags); qlt_24xx_process_atio_queue(vha, 0); spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); } } } if (rval) { ql_dbg(ql_dbg_disc, vha, 0x206a, "%s *** FAILED ***.\n", __func__); } else { ql_dbg(ql_dbg_disc, vha, 0x206b, "%s: exiting normally. local port wwpn %8phN id %06x)\n", __func__, vha->port_name, vha->d_id.b24); } /* Restore state if a resync event occurred during processing */ if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) { if (test_bit(LOCAL_LOOP_UPDATE, &save_flags)) set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); if (test_bit(RSCN_UPDATE, &save_flags)) { set_bit(RSCN_UPDATE, &vha->dpc_flags); } } return (rval); } static int qla2x00_configure_n2n_loop(scsi_qla_host_t *vha) { unsigned long flags; fc_port_t *fcport; ql_dbg(ql_dbg_disc, vha, 0x206a, "%s %d.\n", __func__, __LINE__); if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags)) set_bit(RELOGIN_NEEDED, &vha->dpc_flags); list_for_each_entry(fcport, &vha->vp_fcports, list) { if (fcport->n2n_flag) { qla24xx_fcport_handle_login(vha, fcport); return QLA_SUCCESS; } } spin_lock_irqsave(&vha->work_lock, flags); vha->scan.scan_retry++; spin_unlock_irqrestore(&vha->work_lock, flags); if (vha->scan.scan_retry < MAX_SCAN_RETRIES) { set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); } return QLA_FUNCTION_FAILED; } static void qla_reinitialize_link(scsi_qla_host_t *vha) { int rval; atomic_set(&vha->loop_state, LOOP_DOWN); atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); rval = qla2x00_full_login_lip(vha); if (rval == QLA_SUCCESS) { ql_dbg(ql_dbg_disc, vha, 0xd050, "Link reinitialized\n"); } else { ql_dbg(ql_dbg_disc, vha, 0xd051, "Link reinitialization failed (%d)\n", rval); } } /* * qla2x00_configure_local_loop * Updates Fibre Channel Device Database with local loop devices. * * Input: * ha = adapter block pointer. * * Returns: * 0 = success. */ static int qla2x00_configure_local_loop(scsi_qla_host_t *vha) { int rval, rval2; int found; fc_port_t *fcport, *new_fcport; uint16_t index; uint16_t entries; struct gid_list_info *gid; uint16_t loop_id; uint8_t domain, area, al_pa; struct qla_hw_data *ha = vha->hw; unsigned long flags; /* Inititae N2N login. */ if (N2N_TOPO(ha)) return qla2x00_configure_n2n_loop(vha); new_fcport = NULL; entries = MAX_FIBRE_DEVICES_LOOP; /* Get list of logged in devices. */ memset(ha->gid_list, 0, qla2x00_gid_list_size(ha)); rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma, &entries); if (rval != QLA_SUCCESS) goto err; ql_dbg(ql_dbg_disc, vha, 0x2011, "Entries in ID list (%d).\n", entries); ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075, ha->gid_list, entries * sizeof(*ha->gid_list)); if (entries == 0) { spin_lock_irqsave(&vha->work_lock, flags); vha->scan.scan_retry++; spin_unlock_irqrestore(&vha->work_lock, flags); if (vha->scan.scan_retry < MAX_SCAN_RETRIES) { u8 loop_map_entries = 0; int rc; rc = qla2x00_get_fcal_position_map(vha, NULL, &loop_map_entries); if (rc == QLA_SUCCESS && loop_map_entries > 1) { /* * There are devices that are still not logged * in. Reinitialize to give them a chance. */ qla_reinitialize_link(vha); return QLA_FUNCTION_FAILED; } set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); } } else { vha->scan.scan_retry = 0; } list_for_each_entry(fcport, &vha->vp_fcports, list) { fcport->scan_state = QLA_FCPORT_SCAN; } /* Allocate temporary fcport for any new fcports discovered. */ new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL); if (new_fcport == NULL) { ql_log(ql_log_warn, vha, 0x2012, "Memory allocation failed for fcport.\n"); rval = QLA_MEMORY_ALLOC_FAILED; goto err; } new_fcport->flags &= ~FCF_FABRIC_DEVICE; /* Add devices to port list. */ gid = ha->gid_list; for (index = 0; index < entries; index++) { domain = gid->domain; area = gid->area; al_pa = gid->al_pa; if (IS_QLA2100(ha) || IS_QLA2200(ha)) loop_id = gid->loop_id_2100; else loop_id = le16_to_cpu(gid->loop_id); gid = (void *)gid + ha->gid_list_info_size; /* Bypass reserved domain fields. */ if ((domain & 0xf0) == 0xf0) continue; /* Bypass if not same domain and area of adapter. */ if (area && domain && ((area != vha->d_id.b.area) || (domain != vha->d_id.b.domain)) && (ha->current_topology == ISP_CFG_NL)) continue; /* Bypass invalid local loop ID. */ if (loop_id > LAST_LOCAL_LOOP_ID) continue; memset(new_fcport->port_name, 0, WWN_SIZE); /* Fill in member data. */ new_fcport->d_id.b.domain = domain; new_fcport->d_id.b.area = area; new_fcport->d_id.b.al_pa = al_pa; new_fcport->loop_id = loop_id; new_fcport->scan_state = QLA_FCPORT_FOUND; rval2 = qla2x00_get_port_database(vha, new_fcport, 0); if (rval2 != QLA_SUCCESS) { ql_dbg(ql_dbg_disc, vha, 0x2097, "Failed to retrieve fcport information " "-- get_port_database=%x, loop_id=0x%04x.\n", rval2, new_fcport->loop_id); /* Skip retry if N2N */ if (ha->current_topology != ISP_CFG_N) { ql_dbg(ql_dbg_disc, vha, 0x2105, "Scheduling resync.\n"); set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); continue; } } spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); /* Check for matching device in port list. */ found = 0; fcport = NULL; list_for_each_entry(fcport, &vha->vp_fcports, list) { if (memcmp(new_fcport->port_name, fcport->port_name, WWN_SIZE)) continue; fcport->flags &= ~FCF_FABRIC_DEVICE; fcport->loop_id = new_fcport->loop_id; fcport->port_type = new_fcport->port_type; fcport->d_id.b24 = new_fcport->d_id.b24; memcpy(fcport->node_name, new_fcport->node_name, WWN_SIZE); fcport->scan_state = QLA_FCPORT_FOUND; if (fcport->login_retry == 0) { fcport->login_retry = vha->hw->login_retry_count; ql_dbg(ql_dbg_disc, vha, 0x2135, "Port login retry %8phN, lid 0x%04x retry cnt=%d.\n", fcport->port_name, fcport->loop_id, fcport->login_retry); } found++; break; } if (!found) { /* New device, add to fcports list. */ list_add_tail(&new_fcport->list, &vha->vp_fcports); /* Allocate a new replacement fcport. */ fcport = new_fcport; spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL); if (new_fcport == NULL) { ql_log(ql_log_warn, vha, 0xd031, "Failed to allocate memory for fcport.\n"); rval = QLA_MEMORY_ALLOC_FAILED; goto err; } spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); new_fcport->flags &= ~FCF_FABRIC_DEVICE; } spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); /* Base iIDMA settings on HBA port speed. */ fcport->fp_speed = ha->link_data_rate; } list_for_each_entry(fcport, &vha->vp_fcports, list) { if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) break; if (fcport->scan_state == QLA_FCPORT_SCAN) { if ((qla_dual_mode_enabled(vha) || qla_ini_mode_enabled(vha)) && atomic_read(&fcport->state) == FCS_ONLINE) { qla2x00_mark_device_lost(vha, fcport, ql2xplogiabsentdevice); if (fcport->loop_id != FC_NO_LOOP_ID && (fcport->flags & FCF_FCP2_DEVICE) == 0 && fcport->port_type != FCT_INITIATOR && fcport->port_type != FCT_BROADCAST) { ql_dbg(ql_dbg_disc, vha, 0x20f0, "%s %d %8phC post del sess\n", __func__, __LINE__, fcport->port_name); qlt_schedule_sess_for_deletion(fcport); continue; } } } if (fcport->scan_state == QLA_FCPORT_FOUND) qla24xx_fcport_handle_login(vha, fcport); } qla2x00_free_fcport(new_fcport); return rval; err: ql_dbg(ql_dbg_disc, vha, 0x2098, "Configure local loop error exit: rval=%x.\n", rval); return rval; } static void qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport) { int rval; uint16_t mb[MAILBOX_REGISTER_COUNT]; struct qla_hw_data *ha = vha->hw; if (!IS_IIDMA_CAPABLE(ha)) return; if (atomic_read(&fcport->state) != FCS_ONLINE) return; if (fcport->fp_speed == PORT_SPEED_UNKNOWN || fcport->fp_speed > ha->link_data_rate || !ha->flags.gpsc_supported) return; rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed, mb); if (rval != QLA_SUCCESS) { ql_dbg(ql_dbg_disc, vha, 0x2004, "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n", fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]); } else { ql_dbg(ql_dbg_disc, vha, 0x2005, "iIDMA adjusted to %s GB/s (%X) on %8phN.\n", qla2x00_get_link_speed_str(ha, fcport->fp_speed), fcport->fp_speed, fcport->port_name); } } void qla_do_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport) { qla2x00_iidma_fcport(vha, fcport); qla24xx_update_fcport_fcp_prio(vha, fcport); } int qla_post_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport) { struct qla_work_evt *e; e = qla2x00_alloc_work(vha, QLA_EVT_IIDMA); if (!e) return QLA_FUNCTION_FAILED; e->u.fcport.fcport = fcport; return qla2x00_post_work(vha, e); } /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/ static void qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport) { struct fc_rport_identifiers rport_ids; struct fc_rport *rport; unsigned long flags; if (atomic_read(&fcport->state) == FCS_ONLINE) return; rport_ids.node_name = wwn_to_u64(fcport->node_name); rport_ids.port_name = wwn_to_u64(fcport->port_name); rport_ids.port_id = fcport->d_id.b.domain << 16 | fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids); if (!rport) { ql_log(ql_log_warn, vha, 0x2006, "Unable to allocate fc remote port.\n"); return; } spin_lock_irqsave(fcport->vha->host->host_lock, flags); *((fc_port_t **)rport->dd_data) = fcport; spin_unlock_irqrestore(fcport->vha->host->host_lock, flags); fcport->dev_loss_tmo = rport->dev_loss_tmo; rport->supported_classes = fcport->supported_classes; rport_ids.roles = FC_PORT_ROLE_UNKNOWN; if (fcport->port_type == FCT_INITIATOR) rport_ids.roles |= FC_PORT_ROLE_FCP_INITIATOR; if (fcport->port_type == FCT_TARGET) rport_ids.roles |= FC_PORT_ROLE_FCP_TARGET; if (fcport->port_type & FCT_NVME_INITIATOR) rport_ids.roles |= FC_PORT_ROLE_NVME_INITIATOR; if (fcport->port_type & FCT_NVME_TARGET) rport_ids.roles |= FC_PORT_ROLE_NVME_TARGET; if (fcport->port_type & FCT_NVME_DISCOVERY) rport_ids.roles |= FC_PORT_ROLE_NVME_DISCOVERY; fc_remote_port_rolechg(rport, rport_ids.roles); ql_dbg(ql_dbg_disc, vha, 0x20ee, "%s: %8phN. rport %ld:0:%d (%p) is %s mode\n", __func__, fcport->port_name, vha->host_no, rport->scsi_target_id, rport, (fcport->port_type == FCT_TARGET) ? "tgt" : ((fcport->port_type & FCT_NVME) ? "nvme" : "ini")); } /* * qla2x00_update_fcport * Updates device on list. * * Input: * ha = adapter block pointer. * fcport = port structure pointer. * * Return: * 0 - Success * BIT_0 - error * * Context: * Kernel context. */ void qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport) { unsigned long flags; if (IS_SW_RESV_ADDR(fcport->d_id)) return; ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n", __func__, fcport->port_name); qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT); fcport->login_retry = vha->hw->login_retry_count; fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT); spin_lock_irqsave(&vha->work_lock, flags); fcport->deleted = 0; spin_unlock_irqrestore(&vha->work_lock, flags); if (vha->hw->current_topology == ISP_CFG_NL) fcport->logout_on_delete = 0; else fcport->logout_on_delete = 1; fcport->n2n_chip_reset = fcport->n2n_link_reset_cnt = 0; if (fcport->tgt_link_down_time < fcport->dev_loss_tmo) { fcport->tgt_short_link_down_cnt++; fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME; } switch (vha->hw->current_topology) { case ISP_CFG_N: case ISP_CFG_NL: fcport->keep_nport_handle = 1; break; default: break; } qla2x00_iidma_fcport(vha, fcport); qla2x00_dfs_create_rport(vha, fcport); qla24xx_update_fcport_fcp_prio(vha, fcport); switch (vha->host->active_mode) { case MODE_INITIATOR: qla2x00_reg_remote_port(vha, fcport); break; case MODE_TARGET: if (!vha->vha_tgt.qla_tgt->tgt_stop && !vha->vha_tgt.qla_tgt->tgt_stopped) qlt_fc_port_added(vha, fcport); break; case MODE_DUAL: qla2x00_reg_remote_port(vha, fcport); if (!vha->vha_tgt.qla_tgt->tgt_stop && !vha->vha_tgt.qla_tgt->tgt_stopped) qlt_fc_port_added(vha, fcport); break; default: break; } if (NVME_TARGET(vha->hw, fcport)) qla_nvme_register_remote(vha, fcport); qla2x00_set_fcport_state(fcport, FCS_ONLINE); if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) { if (fcport->id_changed) { fcport->id_changed = 0; ql_dbg(ql_dbg_disc, vha, 0x20d7, "%s %d %8phC post gfpnid fcp_cnt %d\n", __func__, __LINE__, fcport->port_name, vha->fcport_count); qla24xx_post_gfpnid_work(vha, fcport); } else { ql_dbg(ql_dbg_disc, vha, 0x20d7, "%s %d %8phC post gpsc fcp_cnt %d\n", __func__, __LINE__, fcport->port_name, vha->fcport_count); qla24xx_post_gpsc_work(vha, fcport); } } qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE); } void qla_register_fcport_fn(struct work_struct *work) { fc_port_t *fcport = container_of(work, struct fc_port, reg_work); u32 rscn_gen = fcport->rscn_gen; u16 data[2]; if (IS_SW_RESV_ADDR(fcport->d_id)) return; qla2x00_update_fcport(fcport->vha, fcport); ql_dbg(ql_dbg_disc, fcport->vha, 0x911e, "%s rscn gen %d/%d next DS %d\n", __func__, rscn_gen, fcport->rscn_gen, fcport->next_disc_state); if (rscn_gen != fcport->rscn_gen) { /* RSCN(s) came in while registration */ switch (fcport->next_disc_state) { case DSC_DELETE_PEND: qlt_schedule_sess_for_deletion(fcport); break; case DSC_ADISC: data[0] = data[1] = 0; qla2x00_post_async_adisc_work(fcport->vha, fcport, data); break; default: break; } } } /* * qla2x00_configure_fabric * Setup SNS devices with loop ID's. * * Input: * ha = adapter block pointer. * * Returns: * 0 = success. * BIT_0 = error */ static int qla2x00_configure_fabric(scsi_qla_host_t *vha) { int rval; fc_port_t *fcport; uint16_t mb[MAILBOX_REGISTER_COUNT]; uint16_t loop_id; struct qla_hw_data *ha = vha->hw; int discovery_gen; /* If FL port exists, then SNS is present */ if (IS_FWI2_CAPABLE(ha)) loop_id = NPH_F_PORT; else loop_id = SNS_FL_PORT; rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1); if (rval != QLA_SUCCESS) { ql_dbg(ql_dbg_disc, vha, 0x20a0, "MBX_GET_PORT_NAME failed, No FL Port.\n"); vha->device_flags &= ~SWITCH_FOUND; return (QLA_SUCCESS); } vha->device_flags |= SWITCH_FOUND; rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_port_name, 0); if (rval != QLA_SUCCESS) ql_dbg(ql_dbg_disc, vha, 0x20ff, "Failed to get Fabric Port Name\n"); if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) { rval = qla2x00_send_change_request(vha, 0x3, 0); if (rval != QLA_SUCCESS) ql_log(ql_log_warn, vha, 0x121, "Failed to enable receiving of RSCN requests: 0x%x.\n", rval); } do { qla2x00_mgmt_svr_login(vha); /* Ensure we are logged into the SNS. */ loop_id = NPH_SNS_LID(ha); rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff, 0xfc, mb, BIT_1|BIT_0); if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) { ql_dbg(ql_dbg_disc, vha, 0x20a1, "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n", loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval); set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); return rval; } /* FDMI support. */ if (ql2xfdmienable && test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags)) qla2x00_fdmi_register(vha); if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) { if (qla2x00_rft_id(vha)) { /* EMPTY */ ql_dbg(ql_dbg_disc, vha, 0x20a2, "Register FC-4 TYPE failed.\n"); if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) break; } if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) { /* EMPTY */ ql_dbg(ql_dbg_disc, vha, 0x209a, "Register FC-4 Features failed.\n"); if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) break; } if (vha->flags.nvme_enabled) { if (qla2x00_rff_id(vha, FC_TYPE_NVME)) { ql_dbg(ql_dbg_disc, vha, 0x2049, "Register NVME FC Type Features failed.\n"); } } if (qla2x00_rnn_id(vha)) { /* EMPTY */ ql_dbg(ql_dbg_disc, vha, 0x2104, "Register Node Name failed.\n"); if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) break; } else if (qla2x00_rsnn_nn(vha)) { /* EMPTY */ ql_dbg(ql_dbg_disc, vha, 0x209b, "Register Symbolic Node Name failed.\n"); if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) break; } } /* Mark the time right before querying FW for connected ports. * This process is long, asynchronous and by the time it's done, * collected information might not be accurate anymore. E.g. * disconnected port might have re-connected and a brand new * session has been created. In this case session's generation * will be newer than discovery_gen. */ qlt_do_generation_tick(vha, &discovery_gen); if (USE_ASYNC_SCAN(ha)) { /* start of scan begins here */ vha->scan.rscn_gen_end = atomic_read(&vha->rscn_gen); qla_fab_scan_start(vha); } else { list_for_each_entry(fcport, &vha->vp_fcports, list) fcport->scan_state = QLA_FCPORT_SCAN; rval = qla2x00_find_all_fabric_devs(vha); } if (rval != QLA_SUCCESS) break; } while (0); if (!vha->nvme_local_port && vha->flags.nvme_enabled) qla_nvme_register_hba(vha); if (rval) ql_dbg(ql_dbg_disc, vha, 0x2068, "Configure fabric error exit rval=%d.\n", rval); return (rval); } /* * qla2x00_find_all_fabric_devs * * Input: * ha = adapter block pointer. * dev = database device entry pointer. * * Returns: * 0 = success. * * Context: * Kernel context. */ static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha) { int rval; uint16_t loop_id; fc_port_t *fcport, *new_fcport; int found; sw_info_t *swl; int swl_idx; int first_dev, last_dev; port_id_t wrap = {}, nxt_d_id; struct qla_hw_data *ha = vha->hw; struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); unsigned long flags; rval = QLA_SUCCESS; /* Try GID_PT to get device list, else GAN. */ if (!ha->swl) ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t), GFP_KERNEL); swl = ha->swl; if (!swl) { /*EMPTY*/ ql_dbg(ql_dbg_disc, vha, 0x209c, "GID_PT allocations failed, fallback on GA_NXT.\n"); } else { memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t)); if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) { swl = NULL; if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) return rval; } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) { swl = NULL; if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) return rval; } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) { swl = NULL; if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) return rval; } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) { swl = NULL; if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) return rval; } /* If other queries succeeded probe for FC-4 type */ if (swl) { qla2x00_gff_id(vha, swl); if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) return rval; } } swl_idx = 0; /* Allocate temporary fcport for any new fcports discovered. */ new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL); if (new_fcport == NULL) { ql_log(ql_log_warn, vha, 0x209d, "Failed to allocate memory for fcport.\n"); return (QLA_MEMORY_ALLOC_FAILED); } new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); /* Set start port ID scan at adapter ID. */ first_dev = 1; last_dev = 0; /* Starting free loop ID. */ loop_id = ha->min_external_loopid; for (; loop_id <= ha->max_loop_id; loop_id++) { if (qla2x00_is_reserved_id(vha, loop_id)) continue; if (ha->current_topology == ISP_CFG_FL && (atomic_read(&vha->loop_down_timer) || LOOP_TRANSITION(vha))) { atomic_set(&vha->loop_down_timer, 0); set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); break; } if (swl != NULL) { if (last_dev) { wrap.b24 = new_fcport->d_id.b24; } else { new_fcport->d_id.b24 = swl[swl_idx].d_id.b24; memcpy(new_fcport->node_name, swl[swl_idx].node_name, WWN_SIZE); memcpy(new_fcport->port_name, swl[swl_idx].port_name, WWN_SIZE); memcpy(new_fcport->fabric_port_name, swl[swl_idx].fabric_port_name, WWN_SIZE); new_fcport->fp_speed = swl[swl_idx].fp_speed; new_fcport->fc4_type = swl[swl_idx].fc4_type; new_fcport->nvme_flag = 0; if (vha->flags.nvme_enabled && swl[swl_idx].fc4_type & FS_FC4TYPE_NVME) { ql_log(ql_log_info, vha, 0x2131, "FOUND: NVME port %8phC as FC Type 28h\n", new_fcport->port_name); } if (swl[swl_idx].d_id.b.rsvd_1 != 0) { last_dev = 1; } swl_idx++; } } else { /* Send GA_NXT to the switch */ rval = qla2x00_ga_nxt(vha, new_fcport); if (rval != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x209e, "SNS scan failed -- assuming " "zero-entry result.\n"); rval = QLA_SUCCESS; break; } } /* If wrap on switch device list, exit. */ if (first_dev) { wrap.b24 = new_fcport->d_id.b24; first_dev = 0; } else if (new_fcport->d_id.b24 == wrap.b24) { ql_dbg(ql_dbg_disc, vha, 0x209f, "Device wrap (%02x%02x%02x).\n", new_fcport->d_id.b.domain, new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa); break; } /* Bypass if same physical adapter. */ if (new_fcport->d_id.b24 == base_vha->d_id.b24) continue; /* Bypass virtual ports of the same host. */ if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24)) continue; /* Bypass if same domain and area of adapter. */ if (((new_fcport->d_id.b24 & 0xffff00) == (vha->d_id.b24 & 0xffff00)) && ha->current_topology == ISP_CFG_FL) continue; /* Bypass reserved domain fields. */ if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) continue; /* Bypass ports whose FCP-4 type is not FCP_SCSI */ if (ql2xgffidenable && (!(new_fcport->fc4_type & FS_FC4TYPE_FCP) && new_fcport->fc4_type != 0)) continue; spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); /* Locate matching device in database. */ found = 0; list_for_each_entry(fcport, &vha->vp_fcports, list) { if (memcmp(new_fcport->port_name, fcport->port_name, WWN_SIZE)) continue; fcport->scan_state = QLA_FCPORT_FOUND; found++; /* Update port state. */ memcpy(fcport->fabric_port_name, new_fcport->fabric_port_name, WWN_SIZE); fcport->fp_speed = new_fcport->fp_speed; /* * If address the same and state FCS_ONLINE * (or in target mode), nothing changed. */ if (fcport->d_id.b24 == new_fcport->d_id.b24 && (atomic_read(&fcport->state) == FCS_ONLINE || (vha->host->active_mode == MODE_TARGET))) { break; } if (fcport->login_retry == 0) fcport->login_retry = vha->hw->login_retry_count; /* * If device was not a fabric device before. */ if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { fcport->d_id.b24 = new_fcport->d_id.b24; qla2x00_clear_loop_id(fcport); fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); break; } /* * Port ID changed or device was marked to be updated; * Log it out if still logged in and mark it for * relogin later. */ if (qla_tgt_mode_enabled(base_vha)) { ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080, "port changed FC ID, %8phC" " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n", fcport->port_name, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, fcport->loop_id, new_fcport->d_id.b.domain, new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa); fcport->d_id.b24 = new_fcport->d_id.b24; break; } fcport->d_id.b24 = new_fcport->d_id.b24; fcport->flags |= FCF_LOGIN_NEEDED; break; } if (found && NVME_TARGET(vha->hw, fcport)) { if (fcport->disc_state == DSC_DELETE_PEND) { qla2x00_set_fcport_disc_state(fcport, DSC_GNL); vha->fcport_count--; fcport->login_succ = 0; } } if (found) { spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); continue; } /* If device was not in our fcports list, then add it. */ new_fcport->scan_state = QLA_FCPORT_FOUND; list_add_tail(&new_fcport->list, &vha->vp_fcports); spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); /* Allocate a new replacement fcport. */ nxt_d_id.b24 = new_fcport->d_id.b24; new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL); if (new_fcport == NULL) { ql_log(ql_log_warn, vha, 0xd032, "Memory allocation failed for fcport.\n"); return (QLA_MEMORY_ALLOC_FAILED); } new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); new_fcport->d_id.b24 = nxt_d_id.b24; } qla2x00_free_fcport(new_fcport); /* * Logout all previous fabric dev marked lost, except FCP2 devices. */ list_for_each_entry(fcport, &vha->vp_fcports, list) { if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) break; if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) continue; if (fcport->scan_state == QLA_FCPORT_SCAN) { if ((qla_dual_mode_enabled(vha) || qla_ini_mode_enabled(vha)) && atomic_read(&fcport->state) == FCS_ONLINE) { qla2x00_mark_device_lost(vha, fcport, ql2xplogiabsentdevice); if (fcport->loop_id != FC_NO_LOOP_ID && (fcport->flags & FCF_FCP2_DEVICE) == 0 && fcport->port_type != FCT_INITIATOR && fcport->port_type != FCT_BROADCAST) { ql_dbg(ql_dbg_disc, vha, 0x20f0, "%s %d %8phC post del sess\n", __func__, __LINE__, fcport->port_name); qlt_schedule_sess_for_deletion(fcport); continue; } } } if (fcport->scan_state == QLA_FCPORT_FOUND && (fcport->flags & FCF_LOGIN_NEEDED) != 0) qla24xx_fcport_handle_login(vha, fcport); } return (rval); } /* FW does not set aside Loop id for MGMT Server/FFFFFAh */ int qla2x00_reserve_mgmt_server_loop_id(scsi_qla_host_t *vha) { int loop_id = FC_NO_LOOP_ID; int lid = NPH_MGMT_SERVER - vha->vp_idx; unsigned long flags; struct qla_hw_data *ha = vha->hw; if (vha->vp_idx == 0) { set_bit(NPH_MGMT_SERVER, ha->loop_id_map); return NPH_MGMT_SERVER; } /* pick id from high and work down to low */ spin_lock_irqsave(&ha->vport_slock, flags); for (; lid > 0; lid--) { if (!test_bit(lid, vha->hw->loop_id_map)) { set_bit(lid, vha->hw->loop_id_map); loop_id = lid; break; } } spin_unlock_irqrestore(&ha->vport_slock, flags); return loop_id; } /* * qla2x00_fabric_login * Issue fabric login command. * * Input: * ha = adapter block pointer. * device = pointer to FC device type structure. * * Returns: * 0 - Login successfully * 1 - Login failed * 2 - Initiator device * 3 - Fatal error */ int qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t *next_loopid) { int rval; int retry; uint16_t tmp_loopid; uint16_t mb[MAILBOX_REGISTER_COUNT]; struct qla_hw_data *ha = vha->hw; retry = 0; tmp_loopid = 0; for (;;) { ql_dbg(ql_dbg_disc, vha, 0x2000, "Trying Fabric Login w/loop id 0x%04x for port " "%02x%02x%02x.\n", fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa); /* Login fcport on switch. */ rval = ha->isp_ops->fabric_login(vha, fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, mb, BIT_0); if (rval != QLA_SUCCESS) { return rval; } if (mb[0] == MBS_PORT_ID_USED) { /* * Device has another loop ID. The firmware team * recommends the driver perform an implicit login with * the specified ID again. The ID we just used is save * here so we return with an ID that can be tried by * the next login. */ retry++; tmp_loopid = fcport->loop_id; fcport->loop_id = mb[1]; ql_dbg(ql_dbg_disc, vha, 0x2001, "Fabric Login: port in use - next loop " "id=0x%04x, port id= %02x%02x%02x.\n", fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa); } else if (mb[0] == MBS_COMMAND_COMPLETE) { /* * Login succeeded. */ if (retry) { /* A retry occurred before. */ *next_loopid = tmp_loopid; } else { /* * No retry occurred before. Just increment the * ID value for next login. */ *next_loopid = (fcport->loop_id + 1); } if (mb[1] & BIT_0) { fcport->port_type = FCT_INITIATOR; } else { fcport->port_type = FCT_TARGET; if (mb[1] & BIT_1) { fcport->flags |= FCF_FCP2_DEVICE; } } if (mb[10] & BIT_0) fcport->supported_classes |= FC_COS_CLASS2; if (mb[10] & BIT_1) fcport->supported_classes |= FC_COS_CLASS3; if (IS_FWI2_CAPABLE(ha)) { if (mb[10] & BIT_7) fcport->flags |= FCF_CONF_COMP_SUPPORTED; } rval = QLA_SUCCESS; break; } else if (mb[0] == MBS_LOOP_ID_USED) { /* * Loop ID already used, try next loop ID. */ fcport->loop_id++; rval = qla2x00_find_new_loop_id(vha, fcport); if (rval != QLA_SUCCESS) { /* Ran out of loop IDs to use */ break; } } else if (mb[0] == MBS_COMMAND_ERROR) { /* * Firmware possibly timed out during login. If NO * retries are left to do then the device is declared * dead. */ *next_loopid = fcport->loop_id; ha->isp_ops->fabric_logout(vha, fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa); qla2x00_mark_device_lost(vha, fcport, 1); rval = 1; break; } else { /* * unrecoverable / not handled error */ ql_dbg(ql_dbg_disc, vha, 0x2002, "Failed=%x port_id=%02x%02x%02x loop_id=%x " "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, fcport->loop_id, jiffies); *next_loopid = fcport->loop_id; ha->isp_ops->fabric_logout(vha, fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa); qla2x00_clear_loop_id(fcport); fcport->login_retry = 0; rval = 3; break; } } return (rval); } /* * qla2x00_local_device_login * Issue local device login command. * * Input: * ha = adapter block pointer. * loop_id = loop id of device to login to. * * Returns (Where's the #define!!!!): * 0 - Login successfully * 1 - Login failed * 3 - Fatal error */ int qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport) { int rval; uint16_t mb[MAILBOX_REGISTER_COUNT]; memset(mb, 0, sizeof(mb)); rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0); if (rval == QLA_SUCCESS) { /* Interrogate mailbox registers for any errors */ if (mb[0] == MBS_COMMAND_ERROR) rval = 1; else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR) /* device not in PCB table */ rval = 3; } return (rval); } /* * qla2x00_loop_resync * Resync with fibre channel devices. * * Input: * ha = adapter block pointer. * * Returns: * 0 = success */ int qla2x00_loop_resync(scsi_qla_host_t *vha) { int rval = QLA_SUCCESS; uint32_t wait_time; clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags); if (vha->flags.online) { if (!(rval = qla2x00_fw_ready(vha))) { /* Wait at most MAX_TARGET RSCNs for a stable link. */ wait_time = 256; do { if (!IS_QLAFX00(vha->hw)) { /* * Issue a marker after FW becomes * ready. */ qla2x00_marker(vha, vha->hw->base_qpair, 0, 0, MK_SYNC_ALL); vha->marker_needed = 0; } /* Remap devices on Loop. */ clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); if (IS_QLAFX00(vha->hw)) qlafx00_configure_devices(vha); else qla2x00_configure_loop(vha); wait_time--; } while (!atomic_read(&vha->loop_down_timer) && !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) && wait_time && (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))); } } if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) return (QLA_FUNCTION_FAILED); if (rval) ql_dbg(ql_dbg_disc, vha, 0x206c, "%s *** FAILED ***.\n", __func__); return (rval); } /* * qla2x00_perform_loop_resync * Description: This function will set the appropriate flags and call * qla2x00_loop_resync. If successful loop will be resynced * Arguments : scsi_qla_host_t pointer * returm : Success or Failure */ int qla2x00_perform_loop_resync(scsi_qla_host_t *ha) { int32_t rval = 0; if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) { /*Configure the flags so that resync happens properly*/ atomic_set(&ha->loop_down_timer, 0); if (!(ha->device_flags & DFLG_NO_CABLE)) { atomic_set(&ha->loop_state, LOOP_UP); set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags); set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); rval = qla2x00_loop_resync(ha); } else atomic_set(&ha->loop_state, LOOP_DEAD); clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags); } return rval; } /* Assumes idc_lock always held on entry */ void qla83xx_reset_ownership(scsi_qla_host_t *vha) { struct qla_hw_data *ha = vha->hw; uint32_t drv_presence, drv_presence_mask; uint32_t dev_part_info1, dev_part_info2, class_type; uint32_t class_type_mask = 0x3; uint16_t fcoe_other_function = 0xffff, i; if (IS_QLA8044(ha)) { drv_presence = qla8044_rd_direct(vha, QLA8044_CRB_DRV_ACTIVE_INDEX); dev_part_info1 = qla8044_rd_direct(vha, QLA8044_CRB_DEV_PART_INFO_INDEX); dev_part_info2 = qla8044_rd_direct(vha, QLA8044_CRB_DEV_PART_INFO2); } else { qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence); qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1); qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2); } for (i = 0; i < 8; i++) { class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask); if ((class_type == QLA83XX_CLASS_TYPE_FCOE) && (i != ha->portnum)) { fcoe_other_function = i; break; } } if (fcoe_other_function == 0xffff) { for (i = 0; i < 8; i++) { class_type = ((dev_part_info2 >> (i * 4)) & class_type_mask); if ((class_type == QLA83XX_CLASS_TYPE_FCOE) && ((i + 8) != ha->portnum)) { fcoe_other_function = i + 8; break; } } } /* * Prepare drv-presence mask based on fcoe functions present. * However consider only valid physical fcoe function numbers (0-15). */ drv_presence_mask = ~((1 << (ha->portnum)) | ((fcoe_other_function == 0xffff) ? 0 : (1 << (fcoe_other_function)))); /* We are the reset owner iff: * - No other protocol drivers present. * - This is the lowest among fcoe functions. */ if (!(drv_presence & drv_presence_mask) && (ha->portnum < fcoe_other_function)) { ql_dbg(ql_dbg_p3p, vha, 0xb07f, "This host is Reset owner.\n"); ha->flags.nic_core_reset_owner = 1; } } static int __qla83xx_set_drv_ack(scsi_qla_host_t *vha) { int rval = QLA_SUCCESS; struct qla_hw_data *ha = vha->hw; uint32_t drv_ack; rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack); if (rval == QLA_SUCCESS) { drv_ack |= (1 << ha->portnum); rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack); } return rval; } static int __qla83xx_clear_drv_ack(scsi_qla_host_t *vha) { int rval = QLA_SUCCESS; struct qla_hw_data *ha = vha->hw; uint32_t drv_ack; rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack); if (rval == QLA_SUCCESS) { drv_ack &= ~(1 << ha->portnum); rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack); } return rval; } /* Assumes idc-lock always held on entry */ void qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type) { struct qla_hw_data *ha = vha->hw; uint32_t idc_audit_reg = 0, duration_secs = 0; switch (audit_type) { case IDC_AUDIT_TIMESTAMP: ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000); idc_audit_reg = (ha->portnum) | (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8); qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg); break; case IDC_AUDIT_COMPLETION: duration_secs = ((jiffies_to_msecs(jiffies) - jiffies_to_msecs(ha->idc_audit_ts)) / 1000); idc_audit_reg = (ha->portnum) | (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8); qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg); break; default: ql_log(ql_log_warn, vha, 0xb078, "Invalid audit type specified.\n"); break; } } /* Assumes idc_lock always held on entry */ static int qla83xx_initiating_reset(scsi_qla_host_t *vha) { struct qla_hw_data *ha = vha->hw; uint32_t idc_control, dev_state; __qla83xx_get_idc_control(vha, &idc_control); if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) { ql_log(ql_log_info, vha, 0xb080, "NIC Core reset has been disabled. idc-control=0x%x\n", idc_control); return QLA_FUNCTION_FAILED; } /* Set NEED-RESET iff in READY state and we are the reset-owner */ qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state); if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) { qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_NEED_RESET); ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n"); qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP); } else { ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", qdev_state(dev_state)); /* SV: XXX: Is timeout required here? */ /* Wait for IDC state change READY -> NEED_RESET */ while (dev_state == QLA8XXX_DEV_READY) { qla83xx_idc_unlock(vha, 0); msleep(200); qla83xx_idc_lock(vha, 0); qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state); } } /* Send IDC ack by writing to drv-ack register */ __qla83xx_set_drv_ack(vha); return QLA_SUCCESS; } int __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control) { return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control); } int __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control) { return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control); } static int qla83xx_check_driver_presence(scsi_qla_host_t *vha) { uint32_t drv_presence = 0; struct qla_hw_data *ha = vha->hw; qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence); if (drv_presence & (1 << ha->portnum)) return QLA_SUCCESS; else return QLA_TEST_FAILED; } int qla83xx_nic_core_reset(scsi_qla_host_t *vha) { int rval = QLA_SUCCESS; struct qla_hw_data *ha = vha->hw; ql_dbg(ql_dbg_p3p, vha, 0xb058, "Entered %s().\n", __func__); if (vha->device_flags & DFLG_DEV_FAILED) { ql_log(ql_log_warn, vha, 0xb059, "Device in unrecoverable FAILED state.\n"); return QLA_FUNCTION_FAILED; } qla83xx_idc_lock(vha, 0); if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0xb05a, "Function=0x%x has been removed from IDC participation.\n", ha->portnum); rval = QLA_FUNCTION_FAILED; goto exit; } qla83xx_reset_ownership(vha); rval = qla83xx_initiating_reset(vha); /* * Perform reset if we are the reset-owner, * else wait till IDC state changes to READY/FAILED. */ if (rval == QLA_SUCCESS) { rval = qla83xx_idc_state_handler(vha); if (rval == QLA_SUCCESS) ha->flags.nic_core_hung = 0; __qla83xx_clear_drv_ack(vha); } exit: qla83xx_idc_unlock(vha, 0); ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__); return rval; } int qla2xxx_mctp_dump(scsi_qla_host_t *vha) { struct qla_hw_data *ha = vha->hw; int rval = QLA_FUNCTION_FAILED; if (!IS_MCTP_CAPABLE(ha)) { /* This message can be removed from the final version */ ql_log(ql_log_info, vha, 0x506d, "This board is not MCTP capable\n"); return rval; } if (!ha->mctp_dump) { ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL); if (!ha->mctp_dump) { ql_log(ql_log_warn, vha, 0x506e, "Failed to allocate memory for mctp dump\n"); return rval; } } #define MCTP_DUMP_STR_ADDR 0x00000000 rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma, MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4); if (rval != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x506f, "Failed to capture mctp dump\n"); } else { ql_log(ql_log_info, vha, 0x5070, "Mctp dump capture for host (%ld/%p).\n", vha->host_no, ha->mctp_dump); ha->mctp_dumped = 1; } if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) { ha->flags.nic_core_reset_hdlr_active = 1; rval = qla83xx_restart_nic_firmware(vha); if (rval) /* NIC Core reset failed. */ ql_log(ql_log_warn, vha, 0x5071, "Failed to restart nic firmware\n"); else ql_dbg(ql_dbg_p3p, vha, 0xb084, "Restarted NIC firmware successfully.\n"); ha->flags.nic_core_reset_hdlr_active = 0; } return rval; } /* * qla2x00_quiesce_io * Description: This function will block the new I/Os * Its not aborting any I/Os as context * is not destroyed during quiescence * Arguments: scsi_qla_host_t * return : void */ void qla2x00_quiesce_io(scsi_qla_host_t *vha) { struct qla_hw_data *ha = vha->hw; struct scsi_qla_host *vp, *tvp; unsigned long flags; ql_dbg(ql_dbg_dpc, vha, 0x401d, "Quiescing I/O - ha=%p.\n", ha); atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); if (atomic_read(&vha->loop_state) != LOOP_DOWN) { atomic_set(&vha->loop_state, LOOP_DOWN); qla2x00_mark_all_devices_lost(vha); spin_lock_irqsave(&ha->vport_slock, flags); list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) { atomic_inc(&vp->vref_count); spin_unlock_irqrestore(&ha->vport_slock, flags); qla2x00_mark_all_devices_lost(vp); spin_lock_irqsave(&ha->vport_slock, flags); atomic_dec(&vp->vref_count); } spin_unlock_irqrestore(&ha->vport_slock, flags); } else { if (!atomic_read(&vha->loop_down_timer)) atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); } /* Wait for pending cmds to complete */ WARN_ON_ONCE(qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) != QLA_SUCCESS); } void qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha) { struct qla_hw_data *ha = vha->hw; struct scsi_qla_host *vp, *tvp; unsigned long flags; fc_port_t *fcport; u16 i; /* For ISP82XX, driver waits for completion of the commands. * online flag should be set. */ if (!(IS_P3P_TYPE(ha))) vha->flags.online = 0; ha->flags.chip_reset_done = 0; clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); vha->qla_stats.total_isp_aborts++; ql_log(ql_log_info, vha, 0x00af, "Performing ISP error recovery - ha=%p.\n", ha); ha->flags.purge_mbox = 1; /* For ISP82XX, reset_chip is just disabling interrupts. * Driver waits for the completion of the commands. * the interrupts need to be enabled. */ if (!(IS_P3P_TYPE(ha))) ha->isp_ops->reset_chip(vha); ha->link_data_rate = PORT_SPEED_UNKNOWN; SAVE_TOPO(ha); ha->flags.rida_fmt2 = 0; ha->flags.n2n_ae = 0; ha->flags.lip_ae = 0; ha->current_topology = 0; QLA_FW_STOPPED(ha); ha->flags.fw_init_done = 0; ha->chip_reset++; ha->base_qpair->chip_reset = ha->chip_reset; ha->base_qpair->cmd_cnt = ha->base_qpair->cmd_completion_cnt = 0; ha->base_qpair->prev_completion_cnt = 0; for (i = 0; i < ha->max_qpairs; i++) { if (ha->queue_pair_map[i]) { ha->queue_pair_map[i]->chip_reset = ha->base_qpair->chip_reset; ha->queue_pair_map[i]->cmd_cnt = ha->queue_pair_map[i]->cmd_completion_cnt = 0; ha->base_qpair->prev_completion_cnt = 0; } } /* purge MBox commands */ spin_lock_irqsave(&ha->hardware_lock, flags); if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags)) { clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags); complete(&ha->mbx_intr_comp); } spin_unlock_irqrestore(&ha->hardware_lock, flags); i = 0; while (atomic_read(&ha->num_pend_mbx_stage2) || atomic_read(&ha->num_pend_mbx_stage1)) { msleep(20); i++; if (i > 50) break; } ha->flags.purge_mbox = 0; atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); if (atomic_read(&vha->loop_state) != LOOP_DOWN) { atomic_set(&vha->loop_state, LOOP_DOWN); qla2x00_mark_all_devices_lost(vha); spin_lock_irqsave(&ha->vport_slock, flags); list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) { atomic_inc(&vp->vref_count); spin_unlock_irqrestore(&ha->vport_slock, flags); qla2x00_mark_all_devices_lost(vp); spin_lock_irqsave(&ha->vport_slock, flags); atomic_dec(&vp->vref_count); } spin_unlock_irqrestore(&ha->vport_slock, flags); } else { if (!atomic_read(&vha->loop_down_timer)) atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); } /* Clear all async request states across all VPs. */ list_for_each_entry(fcport, &vha->vp_fcports, list) { fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT); fcport->scan_state = 0; } spin_lock_irqsave(&ha->vport_slock, flags); list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) { atomic_inc(&vp->vref_count); spin_unlock_irqrestore(&ha->vport_slock, flags); list_for_each_entry(fcport, &vp->vp_fcports, list) fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT); spin_lock_irqsave(&ha->vport_slock, flags); atomic_dec(&vp->vref_count); } spin_unlock_irqrestore(&ha->vport_slock, flags); /* Make sure for ISP 82XX IO DMA is complete */ if (IS_P3P_TYPE(ha)) { qla82xx_chip_reset_cleanup(vha); ql_log(ql_log_info, vha, 0x00b4, "Done chip reset cleanup.\n"); /* Done waiting for pending commands. Reset online flag */ vha->flags.online = 0; } /* Requeue all commands in outstanding command list. */ qla2x00_abort_all_cmds(vha, DID_RESET << 16); /* memory barrier */ wmb(); } /* * qla2x00_abort_isp * Resets ISP and aborts all outstanding commands. * * Input: * ha = adapter block pointer. * * Returns: * 0 = success */ int qla2x00_abort_isp(scsi_qla_host_t *vha) { uint8_t status = 0; struct qla_hw_data *ha = vha->hw; struct scsi_qla_host *vp, *tvp; struct req_que *req = ha->req_q_map[0]; unsigned long flags; fc_port_t *fcport; if (vha->flags.online) { qla2x00_abort_isp_cleanup(vha); vha->dport_status |= DPORT_DIAG_CHIP_RESET_IN_PROGRESS; vha->dport_status &= ~DPORT_DIAG_IN_PROGRESS; if (vha->hw->flags.port_isolated) return status; if (qla2x00_isp_reg_stat(ha)) { ql_log(ql_log_info, vha, 0x803f, "ISP Abort - ISP reg disconnect, exiting.\n"); return status; } if (test_and_clear_bit(ISP_ABORT_TO_ROM, &vha->dpc_flags)) { ha->flags.chip_reset_done = 1; vha->flags.online = 1; status = 0; clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags); return status; } if (IS_QLA8031(ha)) { ql_dbg(ql_dbg_p3p, vha, 0xb05c, "Clearing fcoe driver presence.\n"); if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS) ql_dbg(ql_dbg_p3p, vha, 0xb073, "Error while clearing DRV-Presence.\n"); } if (unlikely(pci_channel_offline(ha->pdev) && ha->flags.pci_channel_io_perm_failure)) { clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags); status = 0; return status; } switch (vha->qlini_mode) { case QLA2XXX_INI_MODE_DISABLED: if (!qla_tgt_mode_enabled(vha)) return 0; break; case QLA2XXX_INI_MODE_DUAL: if (!qla_dual_mode_enabled(vha) && !qla_ini_mode_enabled(vha)) return 0; break; case QLA2XXX_INI_MODE_ENABLED: default: break; } ha->isp_ops->get_flash_version(vha, req->ring); if (qla2x00_isp_reg_stat(ha)) { ql_log(ql_log_info, vha, 0x803f, "ISP Abort - ISP reg disconnect pre nvram config, exiting.\n"); return status; } ha->isp_ops->nvram_config(vha); if (qla2x00_isp_reg_stat(ha)) { ql_log(ql_log_info, vha, 0x803f, "ISP Abort - ISP reg disconnect post nvmram config, exiting.\n"); return status; } /* User may have updated [fcp|nvme] prefer in flash */ list_for_each_entry(fcport, &vha->vp_fcports, list) { if (NVME_PRIORITY(ha, fcport)) fcport->do_prli_nvme = 1; else fcport->do_prli_nvme = 0; } if (!qla2x00_restart_isp(vha)) { clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); if (!atomic_read(&vha->loop_down_timer)) { /* * Issue marker command only when we are going * to start the I/O . */ vha->marker_needed = 1; } vha->flags.online = 1; ha->isp_ops->enable_intrs(ha); ha->isp_abort_cnt = 0; clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags); if (IS_QLA81XX(ha) || IS_QLA8031(ha)) qla2x00_get_fw_version(vha); } else { /* failed the ISP abort */ vha->flags.online = 1; if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) { if (ha->isp_abort_cnt == 0) { ql_log(ql_log_fatal, vha, 0x8035, "ISP error recover failed - " "board disabled.\n"); /* * The next call disables the board * completely. */ qla2x00_abort_isp_cleanup(vha); vha->flags.online = 0; clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags); status = 0; } else { /* schedule another ISP abort */ ha->isp_abort_cnt--; ql_dbg(ql_dbg_taskm, vha, 0x8020, "ISP abort - retry remaining %d.\n", ha->isp_abort_cnt); status = 1; } } else { ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; ql_dbg(ql_dbg_taskm, vha, 0x8021, "ISP error recovery - retrying (%d) " "more times.\n", ha->isp_abort_cnt); set_bit(ISP_ABORT_RETRY, &vha->dpc_flags); status = 1; } } } if (vha->hw->flags.port_isolated) { qla2x00_abort_isp_cleanup(vha); return status; } if (!status) { ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__); qla2x00_configure_hba(vha); spin_lock_irqsave(&ha->vport_slock, flags); list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) { if (vp->vp_idx) { atomic_inc(&vp->vref_count); spin_unlock_irqrestore(&ha->vport_slock, flags); /* User may have updated [fcp|nvme] prefer in flash */ list_for_each_entry(fcport, &vp->vp_fcports, list) { if (NVME_PRIORITY(ha, fcport)) fcport->do_prli_nvme = 1; else fcport->do_prli_nvme = 0; } qla2x00_vp_abort_isp(vp); spin_lock_irqsave(&ha->vport_slock, flags); atomic_dec(&vp->vref_count); } } spin_unlock_irqrestore(&ha->vport_slock, flags); if (IS_QLA8031(ha)) { ql_dbg(ql_dbg_p3p, vha, 0xb05d, "Setting back fcoe driver presence.\n"); if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS) ql_dbg(ql_dbg_p3p, vha, 0xb074, "Error while setting DRV-Presence.\n"); } } else { ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n", __func__); } return(status); } /* * qla2x00_restart_isp * restarts the ISP after a reset * * Input: * ha = adapter block pointer. * * Returns: * 0 = success */ static int qla2x00_restart_isp(scsi_qla_host_t *vha) { int status; struct qla_hw_data *ha = vha->hw; /* If firmware needs to be loaded */ if (qla2x00_isp_firmware(vha)) { vha->flags.online = 0; status = ha->isp_ops->chip_diag(vha); if (status) return status; status = qla2x00_setup_chip(vha); if (status) return status; } status = qla2x00_init_rings(vha); if (status) return status; clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); ha->flags.chip_reset_done = 1; /* Initialize the queues in use */ qla25xx_init_queues(ha); status = qla2x00_fw_ready(vha); if (status) { /* if no cable then assume it's good */ return vha->device_flags & DFLG_NO_CABLE ? 0 : status; } /* Issue a marker after FW becomes ready. */ qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL); set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); return 0; } static int qla25xx_init_queues(struct qla_hw_data *ha) { struct rsp_que *rsp = NULL; struct req_que *req = NULL; struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); int ret = -1; int i; for (i = 1; i < ha->max_rsp_queues; i++) { rsp = ha->rsp_q_map[i]; if (rsp && test_bit(i, ha->rsp_qid_map)) { rsp->options &= ~BIT_0; ret = qla25xx_init_rsp_que(base_vha, rsp); if (ret != QLA_SUCCESS) ql_dbg(ql_dbg_init, base_vha, 0x00ff, "%s Rsp que: %d init failed.\n", __func__, rsp->id); else ql_dbg(ql_dbg_init, base_vha, 0x0100, "%s Rsp que: %d inited.\n", __func__, rsp->id); } } for (i = 1; i < ha->max_req_queues; i++) { req = ha->req_q_map[i]; if (req && test_bit(i, ha->req_qid_map)) { /* Clear outstanding commands array. */ req->options &= ~BIT_0; ret = qla25xx_init_req_que(base_vha, req); if (ret != QLA_SUCCESS) ql_dbg(ql_dbg_init, base_vha, 0x0101, "%s Req que: %d init failed.\n", __func__, req->id); else ql_dbg(ql_dbg_init, base_vha, 0x0102, "%s Req que: %d inited.\n", __func__, req->id); } } return ret; } /* * qla2x00_reset_adapter * Reset adapter. * * Input: * ha = adapter block pointer. */ int qla2x00_reset_adapter(scsi_qla_host_t *vha) { unsigned long flags = 0; struct qla_hw_data *ha = vha->hw; struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; vha->flags.online = 0; ha->isp_ops->disable_intrs(ha); spin_lock_irqsave(&ha->hardware_lock, flags); wrt_reg_word(®->hccr, HCCR_RESET_RISC); rd_reg_word(®->hccr); /* PCI Posting. */ wrt_reg_word(®->hccr, HCCR_RELEASE_RISC); rd_reg_word(®->hccr); /* PCI Posting. */ spin_unlock_irqrestore(&ha->hardware_lock, flags); return QLA_SUCCESS; } int qla24xx_reset_adapter(scsi_qla_host_t *vha) { unsigned long flags = 0; struct qla_hw_data *ha = vha->hw; struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; if (IS_P3P_TYPE(ha)) return QLA_SUCCESS; vha->flags.online = 0; ha->isp_ops->disable_intrs(ha); spin_lock_irqsave(&ha->hardware_lock, flags); wrt_reg_dword(®->hccr, HCCRX_SET_RISC_RESET); rd_reg_dword(®->hccr); wrt_reg_dword(®->hccr, HCCRX_REL_RISC_PAUSE); rd_reg_dword(®->hccr); spin_unlock_irqrestore(&ha->hardware_lock, flags); if (IS_NOPOLLING_TYPE(ha)) ha->isp_ops->enable_intrs(ha); return QLA_SUCCESS; } /* On sparc systems, obtain port and node WWN from firmware * properties. */ static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, struct nvram_24xx *nv) { #ifdef CONFIG_SPARC struct qla_hw_data *ha = vha->hw; struct pci_dev *pdev = ha->pdev; struct device_node *dp = pci_device_to_OF_node(pdev); const u8 *val; int len; val = of_get_property(dp, "port-wwn", &len); if (val && len >= WWN_SIZE) memcpy(nv->port_name, val, WWN_SIZE); val = of_get_property(dp, "node-wwn", &len); if (val && len >= WWN_SIZE) memcpy(nv->node_name, val, WWN_SIZE); #endif } int qla24xx_nvram_config(scsi_qla_host_t *vha) { int rval; struct init_cb_24xx *icb; struct nvram_24xx *nv; __le32 *dptr; uint8_t *dptr1, *dptr2; uint32_t chksum; uint16_t cnt; struct qla_hw_data *ha = vha->hw; rval = QLA_SUCCESS; icb = (struct init_cb_24xx *)ha->init_cb; nv = ha->nvram; /* Determine NVRAM starting address. */ if (ha->port_no == 0) { ha->nvram_base = FA_NVRAM_FUNC0_ADDR; ha->vpd_base = FA_NVRAM_VPD0_ADDR; } else { ha->nvram_base = FA_NVRAM_FUNC1_ADDR; ha->vpd_base = FA_NVRAM_VPD1_ADDR; } ha->nvram_size = sizeof(*nv); ha->vpd_size = FA_NVRAM_VPD_SIZE; /* Get VPD data into cache */ ha->vpd = ha->nvram + VPD_OFFSET; ha->isp_ops->read_nvram(vha, ha->vpd, ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4); /* Get NVRAM data into cache and calculate checksum. */ dptr = (__force __le32 *)nv; ha->isp_ops->read_nvram(vha, dptr, ha->nvram_base, ha->nvram_size); for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++) chksum += le32_to_cpu(*dptr); ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a, "Contents of NVRAM\n"); ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d, nv, ha->nvram_size); /* Bad NVRAM data, set defaults parameters. */ if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) || le16_to_cpu(nv->nvram_version) < ICB_VERSION) { /* Reset NVRAM data. */ ql_log(ql_log_warn, vha, 0x006b, "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n", chksum, nv->id, nv->nvram_version); ql_dump_buffer(ql_dbg_init, vha, 0x006b, nv, sizeof(*nv)); ql_log(ql_log_warn, vha, 0x006c, "Falling back to functioning (yet invalid -- WWPN) " "defaults.\n"); /* * Set default initialization control block. */ memset(nv, 0, ha->nvram_size); nv->nvram_version = cpu_to_le16(ICB_VERSION); nv->version = cpu_to_le16(ICB_VERSION); nv->frame_payload_size = cpu_to_le16(2048); nv->execution_throttle = cpu_to_le16(0xFFFF); nv->exchange_count = cpu_to_le16(0); nv->hard_address = cpu_to_le16(124); nv->port_name[0] = 0x21; nv->port_name[1] = 0x00 + ha->port_no + 1; nv->port_name[2] = 0x00; nv->port_name[3] = 0xe0; nv->port_name[4] = 0x8b; nv->port_name[5] = 0x1c; nv->port_name[6] = 0x55; nv->port_name[7] = 0x86; nv->node_name[0] = 0x20; nv->node_name[1] = 0x00; nv->node_name[2] = 0x00; nv->node_name[3] = 0xe0; nv->node_name[4] = 0x8b; nv->node_name[5] = 0x1c; nv->node_name[6] = 0x55; nv->node_name[7] = 0x86; qla24xx_nvram_wwn_from_ofw(vha, nv); nv->login_retry_count = cpu_to_le16(8); nv->interrupt_delay_timer = cpu_to_le16(0); nv->login_timeout = cpu_to_le16(0); nv->firmware_options_1 = cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1); nv->firmware_options_2 = cpu_to_le32(2 << 4); nv->firmware_options_2 |= cpu_to_le32(BIT_12); nv->firmware_options_3 = cpu_to_le32(2 << 13); nv->host_p = cpu_to_le32(BIT_11|BIT_10); nv->efi_parameters = cpu_to_le32(0); nv->reset_delay = 5; nv->max_luns_per_target = cpu_to_le16(128); nv->port_down_retry_count = cpu_to_le16(30); nv->link_down_timeout = cpu_to_le16(30); rval = 1; } if (qla_tgt_mode_enabled(vha)) { /* Don't enable full login after initial LIP */ nv->firmware_options_1 &= cpu_to_le32(~BIT_13); /* Don't enable LIP full login for initiator */ nv->host_p &= cpu_to_le32(~BIT_10); } qlt_24xx_config_nvram_stage1(vha, nv); /* Reset Initialization control block */ memset(icb, 0, ha->init_cb_size); /* Copy 1st segment. */ dptr1 = (uint8_t *)icb; dptr2 = (uint8_t *)&nv->version; cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version; while (cnt--) *dptr1++ = *dptr2++; icb->login_retry_count = nv->login_retry_count; icb->link_down_on_nos = nv->link_down_on_nos; /* Copy 2nd segment. */ dptr1 = (uint8_t *)&icb->interrupt_delay_timer; dptr2 = (uint8_t *)&nv->interrupt_delay_timer; cnt = (uint8_t *)&icb->reserved_3 - (uint8_t *)&icb->interrupt_delay_timer; while (cnt--) *dptr1++ = *dptr2++; ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size); /* * Setup driver NVRAM options. */ qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name), "QLA2462"); qlt_24xx_config_nvram_stage2(vha, icb); if (nv->host_p & cpu_to_le32(BIT_15)) { /* Use alternate WWN? */ memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); } /* Prepare nodename */ if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) { /* * Firmware will apply the following mask if the nodename was * not provided. */ memcpy(icb->node_name, icb->port_name, WWN_SIZE); icb->node_name[0] &= 0xF0; } /* Set host adapter parameters. */ ha->flags.disable_risc_code_load = 0; ha->flags.enable_lip_reset = 0; ha->flags.enable_lip_full_login = le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0; ha->flags.enable_target_reset = le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0; ha->flags.enable_led_scheme = 0; ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0; ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) & (BIT_6 | BIT_5 | BIT_4)) >> 4; memcpy(ha->fw_seriallink_options24, nv->seriallink_options, sizeof(ha->fw_seriallink_options24)); /* save HBA serial number */ ha->serial0 = icb->port_name[5]; ha->serial1 = icb->port_name[6]; ha->serial2 = icb->port_name[7]; memcpy(vha->node_name, icb->node_name, WWN_SIZE); memcpy(vha->port_name, icb->port_name, WWN_SIZE); icb->execution_throttle = cpu_to_le16(0xFFFF); ha->retry_count = le16_to_cpu(nv->login_retry_count); /* Set minimum login_timeout to 4 seconds. */ if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout) nv->login_timeout = cpu_to_le16(ql2xlogintimeout); if (le16_to_cpu(nv->login_timeout) < 4) nv->login_timeout = cpu_to_le16(4); ha->login_timeout = le16_to_cpu(nv->login_timeout); /* Set minimum RATOV to 100 tenths of a second. */ ha->r_a_tov = 100; ha->loop_reset_delay = nv->reset_delay; /* Link Down Timeout = 0: * * When Port Down timer expires we will start returning * I/O's to OS with "DID_NO_CONNECT". * * Link Down Timeout != 0: * * The driver waits for the link to come up after link down * before returning I/Os to OS with "DID_NO_CONNECT". */ if (le16_to_cpu(nv->link_down_timeout) == 0) { ha->loop_down_abort_time = (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); } else { ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout); ha->loop_down_abort_time = (LOOP_DOWN_TIME - ha->link_down_timeout); } /* Need enough time to try and get the port back. */ ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count); if (qlport_down_retry) ha->port_down_retry_count = qlport_down_retry; /* Set login_retry_count */ ha->login_retry_count = le16_to_cpu(nv->login_retry_count); if (ha->port_down_retry_count == le16_to_cpu(nv->port_down_retry_count) && ha->port_down_retry_count > 3) ha->login_retry_count = ha->port_down_retry_count; else if (ha->port_down_retry_count > (int)ha->login_retry_count) ha->login_retry_count = ha->port_down_retry_count; if (ql2xloginretrycount) ha->login_retry_count = ql2xloginretrycount; /* N2N: driver will initiate Login instead of FW */ icb->firmware_options_3 |= cpu_to_le32(BIT_8); /* Enable ZIO. */ if (!vha->flags.init_done) { ha->zio_mode = le32_to_cpu(icb->firmware_options_2) & (BIT_3 | BIT_2 | BIT_1 | BIT_0); ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ? le16_to_cpu(icb->interrupt_delay_timer) : 2; } icb->firmware_options_2 &= cpu_to_le32( ~(BIT_3 | BIT_2 | BIT_1 | BIT_0)); if (ha->zio_mode != QLA_ZIO_DISABLED) { ha->zio_mode = QLA_ZIO_MODE_6; ql_log(ql_log_info, vha, 0x006f, "ZIO mode %d enabled; timer delay (%d us).\n", ha->zio_mode, ha->zio_timer * 100); icb->firmware_options_2 |= cpu_to_le32( (uint32_t)ha->zio_mode); icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer); } if (rval) { ql_log(ql_log_warn, vha, 0x0070, "NVRAM configuration failed.\n"); } return (rval); } static void qla27xx_print_image(struct scsi_qla_host *vha, char *name, struct qla27xx_image_status *image_status) { ql_dbg(ql_dbg_init, vha, 0x018b, "%s %s: mask=%#02x gen=%#04x ver=%u.%u map=%#01x sum=%#08x sig=%#08x\n", name, "status", image_status->image_status_mask, le16_to_cpu(image_status->generation), image_status->ver_major, image_status->ver_minor, image_status->bitmap, le32_to_cpu(image_status->checksum), le32_to_cpu(image_status->signature)); } static bool qla28xx_check_aux_image_status_signature( struct qla27xx_image_status *image_status) { ulong signature = le32_to_cpu(image_status->signature); return signature != QLA28XX_AUX_IMG_STATUS_SIGN; } static bool qla27xx_check_image_status_signature(struct qla27xx_image_status *image_status) { ulong signature = le32_to_cpu(image_status->signature); return signature != QLA27XX_IMG_STATUS_SIGN && signature != QLA28XX_IMG_STATUS_SIGN; } static ulong qla27xx_image_status_checksum(struct qla27xx_image_status *image_status) { __le32 *p = (__force __le32 *)image_status; uint n = sizeof(*image_status) / sizeof(*p); uint32_t sum = 0; for ( ; n--; p++) sum += le32_to_cpup(p); return sum; } static inline uint qla28xx_component_bitmask(struct qla27xx_image_status *aux, uint bitmask) { return aux->bitmap & bitmask ? QLA27XX_SECONDARY_IMAGE : QLA27XX_PRIMARY_IMAGE; } static void qla28xx_component_status( struct active_regions *active_regions, struct qla27xx_image_status *aux) { active_regions->aux.board_config = qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_BOARD_CONFIG); active_regions->aux.vpd_nvram = qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_VPD_NVRAM); active_regions->aux.npiv_config_0_1 = qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_0_1); active_regions->aux.npiv_config_2_3 = qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_2_3); active_regions->aux.nvme_params = qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NVME_PARAMS); } static int qla27xx_compare_image_generation( struct qla27xx_image_status *pri_image_status, struct qla27xx_image_status *sec_image_status) { /* calculate generation delta as uint16 (this accounts for wrap) */ int16_t delta = le16_to_cpu(pri_image_status->generation) - le16_to_cpu(sec_image_status->generation); ql_dbg(ql_dbg_init, NULL, 0x0180, "generation delta = %d\n", delta); return delta; } void qla28xx_get_aux_images( struct scsi_qla_host *vha, struct active_regions *active_regions) { struct qla_hw_data *ha = vha->hw; struct qla27xx_image_status pri_aux_image_status, sec_aux_image_status; bool valid_pri_image = false, valid_sec_image = false; bool active_pri_image = false, active_sec_image = false; int rc; if (!ha->flt_region_aux_img_status_pri) { ql_dbg(ql_dbg_init, vha, 0x018a, "Primary aux image not addressed\n"); goto check_sec_image; } rc = qla24xx_read_flash_data(vha, (uint32_t *)&pri_aux_image_status, ha->flt_region_aux_img_status_pri, sizeof(pri_aux_image_status) >> 2); if (rc) { ql_log(ql_log_info, vha, 0x01a1, "Unable to read Primary aux image(%x).\n", rc); goto check_sec_image; } qla27xx_print_image(vha, "Primary aux image", &pri_aux_image_status); if (qla28xx_check_aux_image_status_signature(&pri_aux_image_status)) { ql_dbg(ql_dbg_init, vha, 0x018b, "Primary aux image signature (%#x) not valid\n", le32_to_cpu(pri_aux_image_status.signature)); goto check_sec_image; } if (qla27xx_image_status_checksum(&pri_aux_image_status)) { ql_dbg(ql_dbg_init, vha, 0x018c, "Primary aux image checksum failed\n"); goto check_sec_image; } valid_pri_image = true; if (pri_aux_image_status.image_status_mask & 1) { ql_dbg(ql_dbg_init, vha, 0x018d, "Primary aux image is active\n"); active_pri_image = true; } check_sec_image: if (!ha->flt_region_aux_img_status_sec) { ql_dbg(ql_dbg_init, vha, 0x018a, "Secondary aux image not addressed\n"); goto check_valid_image; } rc = qla24xx_read_flash_data(vha, (uint32_t *)&sec_aux_image_status, ha->flt_region_aux_img_status_sec, sizeof(sec_aux_image_status) >> 2); if (rc) { ql_log(ql_log_info, vha, 0x01a2, "Unable to read Secondary aux image(%x).\n", rc); goto check_valid_image; } qla27xx_print_image(vha, "Secondary aux image", &sec_aux_image_status); if (qla28xx_check_aux_image_status_signature(&sec_aux_image_status)) { ql_dbg(ql_dbg_init, vha, 0x018b, "Secondary aux image signature (%#x) not valid\n", le32_to_cpu(sec_aux_image_status.signature)); goto check_valid_image; } if (qla27xx_image_status_checksum(&sec_aux_image_status)) { ql_dbg(ql_dbg_init, vha, 0x018c, "Secondary aux image checksum failed\n"); goto check_valid_image; } valid_sec_image = true; if (sec_aux_image_status.image_status_mask & 1) { ql_dbg(ql_dbg_init, vha, 0x018d, "Secondary aux image is active\n"); active_sec_image = true; } check_valid_image: if (valid_pri_image && active_pri_image && valid_sec_image && active_sec_image) { if (qla27xx_compare_image_generation(&pri_aux_image_status, &sec_aux_image_status) >= 0) { qla28xx_component_status(active_regions, &pri_aux_image_status); } else { qla28xx_component_status(active_regions, &sec_aux_image_status); } } else if (valid_pri_image && active_pri_image) { qla28xx_component_status(active_regions, &pri_aux_image_status); } else if (valid_sec_image && active_sec_image) { qla28xx_component_status(active_regions, &sec_aux_image_status); } ql_dbg(ql_dbg_init, vha, 0x018f, "aux images active: BCFG=%u VPD/NVR=%u NPIV0/1=%u NPIV2/3=%u, NVME=%u\n", active_regions->aux.board_config, active_regions->aux.vpd_nvram, active_regions->aux.npiv_config_0_1, active_regions->aux.npiv_config_2_3, active_regions->aux.nvme_params); } void qla27xx_get_active_image(struct scsi_qla_host *vha, struct active_regions *active_regions) { struct qla_hw_data *ha = vha->hw; struct qla27xx_image_status pri_image_status, sec_image_status; bool valid_pri_image = false, valid_sec_image = false; bool active_pri_image = false, active_sec_image = false; int rc; if (!ha->flt_region_img_status_pri) { ql_dbg(ql_dbg_init, vha, 0x018a, "Primary image not addressed\n"); goto check_sec_image; } if (qla24xx_read_flash_data(vha, (uint32_t *)&pri_image_status, ha->flt_region_img_status_pri, sizeof(pri_image_status) >> 2) != QLA_SUCCESS) { WARN_ON_ONCE(true); goto check_sec_image; } qla27xx_print_image(vha, "Primary image", &pri_image_status); if (qla27xx_check_image_status_signature(&pri_image_status)) { ql_dbg(ql_dbg_init, vha, 0x018b, "Primary image signature (%#x) not valid\n", le32_to_cpu(pri_image_status.signature)); goto check_sec_image; } if (qla27xx_image_status_checksum(&pri_image_status)) { ql_dbg(ql_dbg_init, vha, 0x018c, "Primary image checksum failed\n"); goto check_sec_image; } valid_pri_image = true; if (pri_image_status.image_status_mask & 1) { ql_dbg(ql_dbg_init, vha, 0x018d, "Primary image is active\n"); active_pri_image = true; } check_sec_image: if (!ha->flt_region_img_status_sec) { ql_dbg(ql_dbg_init, vha, 0x018a, "Secondary image not addressed\n"); goto check_valid_image; } rc = qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status), ha->flt_region_img_status_sec, sizeof(sec_image_status) >> 2); if (rc) { ql_log(ql_log_info, vha, 0x01a3, "Unable to read Secondary image status(%x).\n", rc); goto check_valid_image; } qla27xx_print_image(vha, "Secondary image", &sec_image_status); if (qla27xx_check_image_status_signature(&sec_image_status)) { ql_dbg(ql_dbg_init, vha, 0x018b, "Secondary image signature (%#x) not valid\n", le32_to_cpu(sec_image_status.signature)); goto check_valid_image; } if (qla27xx_image_status_checksum(&sec_image_status)) { ql_dbg(ql_dbg_init, vha, 0x018c, "Secondary image checksum failed\n"); goto check_valid_image; } valid_sec_image = true; if (sec_image_status.image_status_mask & 1) { ql_dbg(ql_dbg_init, vha, 0x018d, "Secondary image is active\n"); active_sec_image = true; } check_valid_image: if (valid_pri_image && active_pri_image) active_regions->global = QLA27XX_PRIMARY_IMAGE; if (valid_sec_image && active_sec_image) { if (!active_regions->global || qla27xx_compare_image_generation( &pri_image_status, &sec_image_status) < 0) { active_regions->global = QLA27XX_SECONDARY_IMAGE; } } ql_dbg(ql_dbg_init, vha, 0x018f, "active image %s (%u)\n", active_regions->global == QLA27XX_DEFAULT_IMAGE ? "default (boot/fw)" : active_regions->global == QLA27XX_PRIMARY_IMAGE ? "primary" : active_regions->global == QLA27XX_SECONDARY_IMAGE ? "secondary" : "invalid", active_regions->global); } bool qla24xx_risc_firmware_invalid(uint32_t *dword) { return !(dword[4] | dword[5] | dword[6] | dword[7]) || !(~dword[4] | ~dword[5] | ~dword[6] | ~dword[7]); } static int qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr, uint32_t faddr) { int rval; uint templates, segments, fragment; ulong i; uint j; ulong dlen; uint32_t *dcode; uint32_t risc_addr, risc_size, risc_attr = 0; struct qla_hw_data *ha = vha->hw; struct req_que *req = ha->req_q_map[0]; struct fwdt *fwdt = ha->fwdt; ql_dbg(ql_dbg_init, vha, 0x008b, "FW: Loading firmware from flash (%x).\n", faddr); dcode = (uint32_t *)req->ring; rval = qla24xx_read_flash_data(vha, dcode, faddr, 8); if (rval || qla24xx_risc_firmware_invalid(dcode)) { ql_log(ql_log_fatal, vha, 0x008c, "Unable to verify the integrity of flash firmware image (rval %x).\n", rval); ql_log(ql_log_fatal, vha, 0x008d, "Firmware data: %08x %08x %08x %08x.\n", dcode[0], dcode[1], dcode[2], dcode[3]); return QLA_FUNCTION_FAILED; } dcode = (uint32_t *)req->ring; *srisc_addr = 0; segments = FA_RISC_CODE_SEGMENTS; for (j = 0; j < segments; j++) { ql_dbg(ql_dbg_init, vha, 0x008d, "-> Loading segment %u...\n", j); rval = qla24xx_read_flash_data(vha, dcode, faddr, 10); if (rval) { ql_log(ql_log_fatal, vha, 0x016a, "-> Unable to read segment addr + size .\n"); return QLA_FUNCTION_FAILED; } risc_addr = be32_to_cpu((__force __be32)dcode[2]); risc_size = be32_to_cpu((__force __be32)dcode[3]); if (!*srisc_addr) { *srisc_addr = risc_addr; risc_attr = be32_to_cpu((__force __be32)dcode[9]); } dlen = ha->fw_transfer_size >> 2; for (fragment = 0; risc_size; fragment++) { if (dlen > risc_size) dlen = risc_size; ql_dbg(ql_dbg_init, vha, 0x008e, "-> Loading fragment %u: %#x <- %#x (%#lx dwords)...\n", fragment, risc_addr, faddr, dlen); rval = qla24xx_read_flash_data(vha, dcode, faddr, dlen); if (rval) { ql_log(ql_log_fatal, vha, 0x016b, "-> Unable to read fragment(faddr %#x dlen %#lx).\n", faddr, dlen); return QLA_FUNCTION_FAILED; } for (i = 0; i < dlen; i++) dcode[i] = swab32(dcode[i]); rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen); if (rval) { ql_log(ql_log_fatal, vha, 0x008f, "-> Failed load firmware fragment %u.\n", fragment); return QLA_FUNCTION_FAILED; } faddr += dlen; risc_addr += dlen; risc_size -= dlen; } } if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha)) return QLA_SUCCESS; templates = (risc_attr & BIT_9) ? 2 : 1; ql_dbg(ql_dbg_init, vha, 0x0160, "-> templates = %u\n", templates); for (j = 0; j < templates; j++, fwdt++) { vfree(fwdt->template); fwdt->template = NULL; fwdt->length = 0; dcode = (uint32_t *)req->ring; rval = qla24xx_read_flash_data(vha, dcode, faddr, 7); if (rval) { ql_log(ql_log_fatal, vha, 0x016c, "-> Unable to read template size.\n"); goto failed; } risc_size = be32_to_cpu((__force __be32)dcode[2]); ql_dbg(ql_dbg_init, vha, 0x0161, "-> fwdt%u template array at %#x (%#x dwords)\n", j, faddr, risc_size); if (!risc_size || !~risc_size) { ql_dbg(ql_dbg_init, vha, 0x0162, "-> fwdt%u failed to read array\n", j); goto failed; } /* skip header and ignore checksum */ faddr += 7; risc_size -= 8; ql_dbg(ql_dbg_init, vha, 0x0163, "-> fwdt%u template allocate template %#x words...\n", j, risc_size); fwdt->template = vmalloc_array(risc_size, sizeof(*dcode)); if (!fwdt->template) { ql_log(ql_log_warn, vha, 0x0164, "-> fwdt%u failed allocate template.\n", j); goto failed; } dcode = fwdt->template; rval = qla24xx_read_flash_data(vha, dcode, faddr, risc_size); if (rval || !qla27xx_fwdt_template_valid(dcode)) { ql_log(ql_log_warn, vha, 0x0165, "-> fwdt%u failed template validate (rval %x)\n", j, rval); goto failed; } dlen = qla27xx_fwdt_template_size(dcode); ql_dbg(ql_dbg_init, vha, 0x0166, "-> fwdt%u template size %#lx bytes (%#lx words)\n", j, dlen, dlen / sizeof(*dcode)); if (dlen > risc_size * sizeof(*dcode)) { ql_log(ql_log_warn, vha, 0x0167, "-> fwdt%u template exceeds array (%-lu bytes)\n", j, dlen - risc_size * sizeof(*dcode)); goto failed; } fwdt->length = dlen; ql_dbg(ql_dbg_init, vha, 0x0168, "-> fwdt%u loaded template ok\n", j); faddr += risc_size + 1; } return QLA_SUCCESS; failed: vfree(fwdt->template); fwdt->template = NULL; fwdt->length = 0; return QLA_SUCCESS; } #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/" int qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr) { int rval; int i, fragment; uint16_t *wcode; __be16 *fwcode; uint32_t risc_addr, risc_size, fwclen, wlen, *seg; struct fw_blob *blob; struct qla_hw_data *ha = vha->hw; struct req_que *req = ha->req_q_map[0]; /* Load firmware blob. */ blob = qla2x00_request_firmware(vha); if (!blob) { ql_log(ql_log_info, vha, 0x0083, "Firmware image unavailable.\n"); ql_log(ql_log_info, vha, 0x0084, "Firmware images can be retrieved from: "QLA_FW_URL ".\n"); return QLA_FUNCTION_FAILED; } rval = QLA_SUCCESS; wcode = (uint16_t *)req->ring; *srisc_addr = 0; fwcode = (__force __be16 *)blob->fw->data; fwclen = 0; /* Validate firmware image by checking version. */ if (blob->fw->size < 8 * sizeof(uint16_t)) { ql_log(ql_log_fatal, vha, 0x0085, "Unable to verify integrity of firmware image (%zd).\n", blob->fw->size); goto fail_fw_integrity; } for (i = 0; i < 4; i++) wcode[i] = be16_to_cpu(fwcode[i + 4]); if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff && wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 && wcode[2] == 0 && wcode[3] == 0)) { ql_log(ql_log_fatal, vha, 0x0086, "Unable to verify integrity of firmware image.\n"); ql_log(ql_log_fatal, vha, 0x0087, "Firmware data: %04x %04x %04x %04x.\n", wcode[0], wcode[1], wcode[2], wcode[3]); goto fail_fw_integrity; } seg = blob->segs; while (*seg && rval == QLA_SUCCESS) { risc_addr = *seg; *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr; risc_size = be16_to_cpu(fwcode[3]); /* Validate firmware image size. */ fwclen += risc_size * sizeof(uint16_t); if (blob->fw->size < fwclen) { ql_log(ql_log_fatal, vha, 0x0088, "Unable to verify integrity of firmware image " "(%zd).\n", blob->fw->size); goto fail_fw_integrity; } fragment = 0; while (risc_size > 0 && rval == QLA_SUCCESS) { wlen = (uint16_t)(ha->fw_transfer_size >> 1); if (wlen > risc_size) wlen = risc_size; ql_dbg(ql_dbg_init, vha, 0x0089, "Loading risc segment@ risc addr %x number of " "words 0x%x.\n", risc_addr, wlen); for (i = 0; i < wlen; i++) wcode[i] = swab16((__force u32)fwcode[i]); rval = qla2x00_load_ram(vha, req->dma, risc_addr, wlen); if (rval) { ql_log(ql_log_fatal, vha, 0x008a, "Failed to load segment %d of firmware.\n", fragment); break; } fwcode += wlen; risc_addr += wlen; risc_size -= wlen; fragment++; } /* Next segment. */ seg++; } return rval; fail_fw_integrity: return QLA_FUNCTION_FAILED; } static int qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr) { int rval; uint templates, segments, fragment; uint32_t *dcode; ulong dlen; uint32_t risc_addr, risc_size, risc_attr = 0; ulong i; uint j; struct fw_blob *blob; __be32 *fwcode; struct qla_hw_data *ha = vha->hw; struct req_que *req = ha->req_q_map[0]; struct fwdt *fwdt = ha->fwdt; ql_dbg(ql_dbg_init, vha, 0x0090, "-> FW: Loading via request-firmware.\n"); blob = qla2x00_request_firmware(vha); if (!blob) { ql_log(ql_log_warn, vha, 0x0092, "-> Firmware file not found.\n"); return QLA_FUNCTION_FAILED; } fwcode = (__force __be32 *)blob->fw->data; dcode = (__force uint32_t *)fwcode; if (qla24xx_risc_firmware_invalid(dcode)) { ql_log(ql_log_fatal, vha, 0x0093, "Unable to verify integrity of firmware image (%zd).\n", blob->fw->size); ql_log(ql_log_fatal, vha, 0x0095, "Firmware data: %08x %08x %08x %08x.\n", dcode[0], dcode[1], dcode[2], dcode[3]); return QLA_FUNCTION_FAILED; } dcode = (uint32_t *)req->ring; *srisc_addr = 0; segments = FA_RISC_CODE_SEGMENTS; for (j = 0; j < segments; j++) { ql_dbg(ql_dbg_init, vha, 0x0096, "-> Loading segment %u...\n", j); risc_addr = be32_to_cpu(fwcode[2]); risc_size = be32_to_cpu(fwcode[3]); if (!*srisc_addr) { *srisc_addr = risc_addr; risc_attr = be32_to_cpu(fwcode[9]); } dlen = ha->fw_transfer_size >> 2; for (fragment = 0; risc_size; fragment++) { if (dlen > risc_size) dlen = risc_size; ql_dbg(ql_dbg_init, vha, 0x0097, "-> Loading fragment %u: %#x <- %#x (%#lx words)...\n", fragment, risc_addr, (uint32_t)(fwcode - (typeof(fwcode))blob->fw->data), dlen); for (i = 0; i < dlen; i++) dcode[i] = swab32((__force u32)fwcode[i]); rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen); if (rval) { ql_log(ql_log_fatal, vha, 0x0098, "-> Failed load firmware fragment %u.\n", fragment); return QLA_FUNCTION_FAILED; } fwcode += dlen; risc_addr += dlen; risc_size -= dlen; } } if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha)) return QLA_SUCCESS; templates = (risc_attr & BIT_9) ? 2 : 1; ql_dbg(ql_dbg_init, vha, 0x0170, "-> templates = %u\n", templates); for (j = 0; j < templates; j++, fwdt++) { vfree(fwdt->template); fwdt->template = NULL; fwdt->length = 0; risc_size = be32_to_cpu(fwcode[2]); ql_dbg(ql_dbg_init, vha, 0x0171, "-> fwdt%u template array at %#x (%#x dwords)\n", j, (uint32_t)((void *)fwcode - (void *)blob->fw->data), risc_size); if (!risc_size || !~risc_size) { ql_dbg(ql_dbg_init, vha, 0x0172, "-> fwdt%u failed to read array\n", j); goto failed; } /* skip header and ignore checksum */ fwcode += 7; risc_size -= 8; ql_dbg(ql_dbg_init, vha, 0x0173, "-> fwdt%u template allocate template %#x words...\n", j, risc_size); fwdt->template = vmalloc_array(risc_size, sizeof(*dcode)); if (!fwdt->template) { ql_log(ql_log_warn, vha, 0x0174, "-> fwdt%u failed allocate template.\n", j); goto failed; } dcode = fwdt->template; for (i = 0; i < risc_size; i++) dcode[i] = (__force u32)fwcode[i]; if (!qla27xx_fwdt_template_valid(dcode)) { ql_log(ql_log_warn, vha, 0x0175, "-> fwdt%u failed template validate\n", j); goto failed; } dlen = qla27xx_fwdt_template_size(dcode); ql_dbg(ql_dbg_init, vha, 0x0176, "-> fwdt%u template size %#lx bytes (%#lx words)\n", j, dlen, dlen / sizeof(*dcode)); if (dlen > risc_size * sizeof(*dcode)) { ql_log(ql_log_warn, vha, 0x0177, "-> fwdt%u template exceeds array (%-lu bytes)\n", j, dlen - risc_size * sizeof(*dcode)); goto failed; } fwdt->length = dlen; ql_dbg(ql_dbg_init, vha, 0x0178, "-> fwdt%u loaded template ok\n", j); fwcode += risc_size + 1; } return QLA_SUCCESS; failed: vfree(fwdt->template); fwdt->template = NULL; fwdt->length = 0; return QLA_SUCCESS; } int qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr) { int rval; if (ql2xfwloadbin == 1) return qla81xx_load_risc(vha, srisc_addr); /* * FW Load priority: * 1) Firmware via request-firmware interface (.bin file). * 2) Firmware residing in flash. */ rval = qla24xx_load_risc_blob(vha, srisc_addr); if (rval == QLA_SUCCESS) return rval; return qla24xx_load_risc_flash(vha, srisc_addr, vha->hw->flt_region_fw); } int qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr) { int rval; struct qla_hw_data *ha = vha->hw; struct active_regions active_regions = { }; if (ql2xfwloadbin == 2) goto try_blob_fw; /* FW Load priority: * 1) Firmware residing in flash. * 2) Firmware via request-firmware interface (.bin file). * 3) Golden-Firmware residing in flash -- (limited operation). */ if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha)) goto try_primary_fw; qla27xx_get_active_image(vha, &active_regions); if (active_regions.global != QLA27XX_SECONDARY_IMAGE) goto try_primary_fw; ql_dbg(ql_dbg_init, vha, 0x008b, "Loading secondary firmware image.\n"); rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw_sec); if (!rval) return rval; try_primary_fw: ql_dbg(ql_dbg_init, vha, 0x008b, "Loading primary firmware image.\n"); rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw); if (!rval) return rval; try_blob_fw: rval = qla24xx_load_risc_blob(vha, srisc_addr); if (!rval || !ha->flt_region_gold_fw) return rval; ql_log(ql_log_info, vha, 0x0099, "Attempting to fallback to golden firmware.\n"); rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw); if (rval) return rval; ql_log(ql_log_info, vha, 0x009a, "Need firmware flash update.\n"); ha->flags.running_gold_fw = 1; return rval; } void qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha) { int ret, retries; struct qla_hw_data *ha = vha->hw; if (ha->flags.pci_channel_io_perm_failure) return; if (!IS_FWI2_CAPABLE(ha)) return; if (!ha->fw_major_version) return; if (!ha->flags.fw_started) return; ret = qla2x00_stop_firmware(vha); for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT && ret != QLA_INVALID_COMMAND && retries ; retries--) { ha->isp_ops->reset_chip(vha); if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS) continue; if (qla2x00_setup_chip(vha) != QLA_SUCCESS) continue; ql_log(ql_log_info, vha, 0x8015, "Attempting retry of stop-firmware command.\n"); ret = qla2x00_stop_firmware(vha); } QLA_FW_STOPPED(ha); ha->flags.fw_init_done = 0; } int qla24xx_configure_vhba(scsi_qla_host_t *vha) { int rval = QLA_SUCCESS; int rval2; uint16_t mb[MAILBOX_REGISTER_COUNT]; struct qla_hw_data *ha = vha->hw; struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); if (!vha->vp_idx) return -EINVAL; rval = qla2x00_fw_ready(base_vha); if (rval == QLA_SUCCESS) { clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL); } vha->flags.management_server_logged_in = 0; /* Login to SNS first */ rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1); if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) { if (rval2 == QLA_MEMORY_ALLOC_FAILED) ql_dbg(ql_dbg_init, vha, 0x0120, "Failed SNS login: loop_id=%x, rval2=%d\n", NPH_SNS, rval2); else ql_dbg(ql_dbg_init, vha, 0x0103, "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " "mb[2]=%x mb[6]=%x mb[7]=%x.\n", NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]); return (QLA_FUNCTION_FAILED); } atomic_set(&vha->loop_down_timer, 0); atomic_set(&vha->loop_state, LOOP_UP); set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); rval = qla2x00_loop_resync(base_vha); return rval; } /* 84XX Support **************************************************************/ static LIST_HEAD(qla_cs84xx_list); static DEFINE_MUTEX(qla_cs84xx_mutex); static struct qla_chip_state_84xx * qla84xx_get_chip(struct scsi_qla_host *vha) { struct qla_chip_state_84xx *cs84xx; struct qla_hw_data *ha = vha->hw; mutex_lock(&qla_cs84xx_mutex); /* Find any shared 84xx chip. */ list_for_each_entry(cs84xx, &qla_cs84xx_list, list) { if (cs84xx->bus == ha->pdev->bus) { kref_get(&cs84xx->kref); goto done; } } cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL); if (!cs84xx) goto done; kref_init(&cs84xx->kref); spin_lock_init(&cs84xx->access_lock); mutex_init(&cs84xx->fw_update_mutex); cs84xx->bus = ha->pdev->bus; list_add_tail(&cs84xx->list, &qla_cs84xx_list); done: mutex_unlock(&qla_cs84xx_mutex); return cs84xx; } static void __qla84xx_chip_release(struct kref *kref) { struct qla_chip_state_84xx *cs84xx = container_of(kref, struct qla_chip_state_84xx, kref); mutex_lock(&qla_cs84xx_mutex); list_del(&cs84xx->list); mutex_unlock(&qla_cs84xx_mutex); kfree(cs84xx); } void qla84xx_put_chip(struct scsi_qla_host *vha) { struct qla_hw_data *ha = vha->hw; if (ha->cs84xx) kref_put(&ha->cs84xx->kref, __qla84xx_chip_release); } static int qla84xx_init_chip(scsi_qla_host_t *vha) { int rval; uint16_t status[2]; struct qla_hw_data *ha = vha->hw; mutex_lock(&ha->cs84xx->fw_update_mutex); rval = qla84xx_verify_chip(vha, status); mutex_unlock(&ha->cs84xx->fw_update_mutex); return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED : QLA_SUCCESS; } /* 81XX Support **************************************************************/ int qla81xx_nvram_config(scsi_qla_host_t *vha) { int rval; struct init_cb_81xx *icb; struct nvram_81xx *nv; __le32 *dptr; uint8_t *dptr1, *dptr2; uint32_t chksum; uint16_t cnt; struct qla_hw_data *ha = vha->hw; uint32_t faddr; struct active_regions active_regions = { }; rval = QLA_SUCCESS; icb = (struct init_cb_81xx *)ha->init_cb; nv = ha->nvram; /* Determine NVRAM starting address. */ ha->nvram_size = sizeof(*nv); ha->vpd_size = FA_NVRAM_VPD_SIZE; if (IS_P3P_TYPE(ha) || IS_QLA8031(ha)) ha->vpd_size = FA_VPD_SIZE_82XX; if (IS_QLA28XX(ha) || IS_QLA27XX(ha)) qla28xx_get_aux_images(vha, &active_regions); /* Get VPD data into cache */ ha->vpd = ha->nvram + VPD_OFFSET; faddr = ha->flt_region_vpd; if (IS_QLA28XX(ha)) { if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE) faddr = ha->flt_region_vpd_sec; ql_dbg(ql_dbg_init, vha, 0x0110, "Loading %s nvram image.\n", active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ? "primary" : "secondary"); } ha->isp_ops->read_optrom(vha, ha->vpd, faddr << 2, ha->vpd_size); /* Get NVRAM data into cache and calculate checksum. */ faddr = ha->flt_region_nvram; if (IS_QLA28XX(ha)) { if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE) faddr = ha->flt_region_nvram_sec; } ql_dbg(ql_dbg_init, vha, 0x0110, "Loading %s nvram image.\n", active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ? "primary" : "secondary"); ha->isp_ops->read_optrom(vha, ha->nvram, faddr << 2, ha->nvram_size); dptr = (__force __le32 *)nv; for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++) chksum += le32_to_cpu(*dptr); ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111, "Contents of NVRAM:\n"); ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112, nv, ha->nvram_size); /* Bad NVRAM data, set defaults parameters. */ if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) || le16_to_cpu(nv->nvram_version) < ICB_VERSION) { /* Reset NVRAM data. */ ql_log(ql_log_info, vha, 0x0073, "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n", chksum, nv->id, le16_to_cpu(nv->nvram_version)); ql_dump_buffer(ql_dbg_init, vha, 0x0073, nv, sizeof(*nv)); ql_log(ql_log_info, vha, 0x0074, "Falling back to functioning (yet invalid -- WWPN) " "defaults.\n"); /* * Set default initialization control block. */ memset(nv, 0, ha->nvram_size); nv->nvram_version = cpu_to_le16(ICB_VERSION); nv->version = cpu_to_le16(ICB_VERSION); nv->frame_payload_size = cpu_to_le16(2048); nv->execution_throttle = cpu_to_le16(0xFFFF); nv->exchange_count = cpu_to_le16(0); nv->port_name[0] = 0x21; nv->port_name[1] = 0x00 + ha->port_no + 1; nv->port_name[2] = 0x00; nv->port_name[3] = 0xe0; nv->port_name[4] = 0x8b; nv->port_name[5] = 0x1c; nv->port_name[6] = 0x55; nv->port_name[7] = 0x86; nv->node_name[0] = 0x20; nv->node_name[1] = 0x00; nv->node_name[2] = 0x00; nv->node_name[3] = 0xe0; nv->node_name[4] = 0x8b; nv->node_name[5] = 0x1c; nv->node_name[6] = 0x55; nv->node_name[7] = 0x86; nv->login_retry_count = cpu_to_le16(8); nv->interrupt_delay_timer = cpu_to_le16(0); nv->login_timeout = cpu_to_le16(0); nv->firmware_options_1 = cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1); nv->firmware_options_2 = cpu_to_le32(2 << 4); nv->firmware_options_2 |= cpu_to_le32(BIT_12); nv->firmware_options_3 = cpu_to_le32(2 << 13); nv->host_p = cpu_to_le32(BIT_11|BIT_10); nv->efi_parameters = cpu_to_le32(0); nv->reset_delay = 5; nv->max_luns_per_target = cpu_to_le16(128); nv->port_down_retry_count = cpu_to_le16(30); nv->link_down_timeout = cpu_to_le16(180); nv->enode_mac[0] = 0x00; nv->enode_mac[1] = 0xC0; nv->enode_mac[2] = 0xDD; nv->enode_mac[3] = 0x04; nv->enode_mac[4] = 0x05; nv->enode_mac[5] = 0x06 + ha->port_no + 1; rval = 1; } if (IS_T10_PI_CAPABLE(ha)) nv->frame_payload_size &= cpu_to_le16(~7); qlt_81xx_config_nvram_stage1(vha, nv); /* Reset Initialization control block */ memset(icb, 0, ha->init_cb_size); /* Copy 1st segment. */ dptr1 = (uint8_t *)icb; dptr2 = (uint8_t *)&nv->version; cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version; while (cnt--) *dptr1++ = *dptr2++; icb->login_retry_count = nv->login_retry_count; /* Copy 2nd segment. */ dptr1 = (uint8_t *)&icb->interrupt_delay_timer; dptr2 = (uint8_t *)&nv->interrupt_delay_timer; cnt = (uint8_t *)&icb->reserved_5 - (uint8_t *)&icb->interrupt_delay_timer; while (cnt--) *dptr1++ = *dptr2++; memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac)); /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */ if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) { icb->enode_mac[0] = 0x00; icb->enode_mac[1] = 0xC0; icb->enode_mac[2] = 0xDD; icb->enode_mac[3] = 0x04; icb->enode_mac[4] = 0x05; icb->enode_mac[5] = 0x06 + ha->port_no + 1; } /* Use extended-initialization control block. */ memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb)); ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size); /* * Setup driver NVRAM options. */ qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name), "QLE8XXX"); qlt_81xx_config_nvram_stage2(vha, icb); /* Use alternate WWN? */ if (nv->host_p & cpu_to_le32(BIT_15)) { memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); } /* Prepare nodename */ if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) { /* * Firmware will apply the following mask if the nodename was * not provided. */ memcpy(icb->node_name, icb->port_name, WWN_SIZE); icb->node_name[0] &= 0xF0; } if (IS_QLA28XX(ha) || IS_QLA27XX(ha)) { if ((nv->enhanced_features & BIT_7) == 0) ha->flags.scm_supported_a = 1; } /* Set host adapter parameters. */ ha->flags.disable_risc_code_load = 0; ha->flags.enable_lip_reset = 0; ha->flags.enable_lip_full_login = le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0; ha->flags.enable_target_reset = le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0; ha->flags.enable_led_scheme = 0; ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0; ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) & (BIT_6 | BIT_5 | BIT_4)) >> 4; /* save HBA serial number */ ha->serial0 = icb->port_name[5]; ha->serial1 = icb->port_name[6]; ha->serial2 = icb->port_name[7]; memcpy(vha->node_name, icb->node_name, WWN_SIZE); memcpy(vha->port_name, icb->port_name, WWN_SIZE); icb->execution_throttle = cpu_to_le16(0xFFFF); ha->retry_count = le16_to_cpu(nv->login_retry_count); /* Set minimum login_timeout to 4 seconds. */ if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout) nv->login_timeout = cpu_to_le16(ql2xlogintimeout); if (le16_to_cpu(nv->login_timeout) < 4) nv->login_timeout = cpu_to_le16(4); ha->login_timeout = le16_to_cpu(nv->login_timeout); /* Set minimum RATOV to 100 tenths of a second. */ ha->r_a_tov = 100; ha->loop_reset_delay = nv->reset_delay; /* Link Down Timeout = 0: * * When Port Down timer expires we will start returning * I/O's to OS with "DID_NO_CONNECT". * * Link Down Timeout != 0: * * The driver waits for the link to come up after link down * before returning I/Os to OS with "DID_NO_CONNECT". */ if (le16_to_cpu(nv->link_down_timeout) == 0) { ha->loop_down_abort_time = (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); } else { ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout); ha->loop_down_abort_time = (LOOP_DOWN_TIME - ha->link_down_timeout); } /* Need enough time to try and get the port back. */ ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count); if (qlport_down_retry) ha->port_down_retry_count = qlport_down_retry; /* Set login_retry_count */ ha->login_retry_count = le16_to_cpu(nv->login_retry_count); if (ha->port_down_retry_count == le16_to_cpu(nv->port_down_retry_count) && ha->port_down_retry_count > 3) ha->login_retry_count = ha->port_down_retry_count; else if (ha->port_down_retry_count > (int)ha->login_retry_count) ha->login_retry_count = ha->port_down_retry_count; if (ql2xloginretrycount) ha->login_retry_count = ql2xloginretrycount; /* if not running MSI-X we need handshaking on interrupts */ if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))) icb->firmware_options_2 |= cpu_to_le32(BIT_22); /* Enable ZIO. */ if (!vha->flags.init_done) { ha->zio_mode = le32_to_cpu(icb->firmware_options_2) & (BIT_3 | BIT_2 | BIT_1 | BIT_0); ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ? le16_to_cpu(icb->interrupt_delay_timer) : 2; } icb->firmware_options_2 &= cpu_to_le32( ~(BIT_3 | BIT_2 | BIT_1 | BIT_0)); vha->flags.process_response_queue = 0; if (ha->zio_mode != QLA_ZIO_DISABLED) { ha->zio_mode = QLA_ZIO_MODE_6; ql_log(ql_log_info, vha, 0x0075, "ZIO mode %d enabled; timer delay (%d us).\n", ha->zio_mode, ha->zio_timer * 100); icb->firmware_options_2 |= cpu_to_le32( (uint32_t)ha->zio_mode); icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer); vha->flags.process_response_queue = 1; } /* enable RIDA Format2 */ icb->firmware_options_3 |= cpu_to_le32(BIT_0); /* N2N: driver will initiate Login instead of FW */ icb->firmware_options_3 |= cpu_to_le32(BIT_8); /* Determine NVMe/FCP priority for target ports */ ha->fc4_type_priority = qla2xxx_get_fc4_priority(vha); if (rval) { ql_log(ql_log_warn, vha, 0x0076, "NVRAM configuration failed.\n"); } return (rval); } int qla82xx_restart_isp(scsi_qla_host_t *vha) { int status, rval; struct qla_hw_data *ha = vha->hw; struct scsi_qla_host *vp, *tvp; unsigned long flags; status = qla2x00_init_rings(vha); if (!status) { clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); ha->flags.chip_reset_done = 1; status = qla2x00_fw_ready(vha); if (!status) { /* Issue a marker after FW becomes ready. */ qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL); vha->flags.online = 1; set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); } /* if no cable then assume it's good */ if ((vha->device_flags & DFLG_NO_CABLE)) status = 0; } if (!status) { clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); if (!atomic_read(&vha->loop_down_timer)) { /* * Issue marker command only when we are going * to start the I/O . */ vha->marker_needed = 1; } ha->isp_ops->enable_intrs(ha); ha->isp_abort_cnt = 0; clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags); /* Update the firmware version */ status = qla82xx_check_md_needed(vha); if (ha->fce) { ha->flags.fce_enabled = 1; memset(ha->fce, 0, fce_calc_size(ha->fce_bufs)); rval = qla2x00_enable_fce_trace(vha, ha->fce_dma, ha->fce_bufs, ha->fce_mb, &ha->fce_bufs); if (rval) { ql_log(ql_log_warn, vha, 0x8001, "Unable to reinitialize FCE (%d).\n", rval); ha->flags.fce_enabled = 0; } } if (ha->eft) { memset(ha->eft, 0, EFT_SIZE); rval = qla2x00_enable_eft_trace(vha, ha->eft_dma, EFT_NUM_BUFFERS); if (rval) { ql_log(ql_log_warn, vha, 0x8010, "Unable to reinitialize EFT (%d).\n", rval); } } } if (!status) { ql_dbg(ql_dbg_taskm, vha, 0x8011, "qla82xx_restart_isp succeeded.\n"); spin_lock_irqsave(&ha->vport_slock, flags); list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) { if (vp->vp_idx) { atomic_inc(&vp->vref_count); spin_unlock_irqrestore(&ha->vport_slock, flags); qla2x00_vp_abort_isp(vp); spin_lock_irqsave(&ha->vport_slock, flags); atomic_dec(&vp->vref_count); } } spin_unlock_irqrestore(&ha->vport_slock, flags); } else { ql_log(ql_log_warn, vha, 0x8016, "qla82xx_restart_isp **** FAILED ****.\n"); } return status; } /* * qla24xx_get_fcp_prio * Gets the fcp cmd priority value for the logged in port. * Looks for a match of the port descriptors within * each of the fcp prio config entries. If a match is found, * the tag (priority) value is returned. * * Input: * vha = scsi host structure pointer. * fcport = port structure pointer. * * Return: * non-zero (if found) * -1 (if not found) * * Context: * Kernel context */ static int qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport) { int i, entries; uint8_t pid_match, wwn_match; int priority; uint32_t pid1, pid2; uint64_t wwn1, wwn2; struct qla_fcp_prio_entry *pri_entry; struct qla_hw_data *ha = vha->hw; if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled) return -1; priority = -1; entries = ha->fcp_prio_cfg->num_entries; pri_entry = &ha->fcp_prio_cfg->entry[0]; for (i = 0; i < entries; i++) { pid_match = wwn_match = 0; if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) { pri_entry++; continue; } /* check source pid for a match */ if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) { pid1 = pri_entry->src_pid & INVALID_PORT_ID; pid2 = vha->d_id.b24 & INVALID_PORT_ID; if (pid1 == INVALID_PORT_ID) pid_match++; else if (pid1 == pid2) pid_match++; } /* check destination pid for a match */ if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) { pid1 = pri_entry->dst_pid & INVALID_PORT_ID; pid2 = fcport->d_id.b24 & INVALID_PORT_ID; if (pid1 == INVALID_PORT_ID) pid_match++; else if (pid1 == pid2) pid_match++; } /* check source WWN for a match */ if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) { wwn1 = wwn_to_u64(vha->port_name); wwn2 = wwn_to_u64(pri_entry->src_wwpn); if (wwn2 == (uint64_t)-1) wwn_match++; else if (wwn1 == wwn2) wwn_match++; } /* check destination WWN for a match */ if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) { wwn1 = wwn_to_u64(fcport->port_name); wwn2 = wwn_to_u64(pri_entry->dst_wwpn); if (wwn2 == (uint64_t)-1) wwn_match++; else if (wwn1 == wwn2) wwn_match++; } if (pid_match == 2 || wwn_match == 2) { /* Found a matching entry */ if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID) priority = pri_entry->tag; break; } pri_entry++; } return priority; } /* * qla24xx_update_fcport_fcp_prio * Activates fcp priority for the logged in fc port * * Input: * vha = scsi host structure pointer. * fcp = port structure pointer. * * Return: * QLA_SUCCESS or QLA_FUNCTION_FAILED * * Context: * Kernel context. */ int qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport) { int ret; int priority; uint16_t mb[5]; if (fcport->port_type != FCT_TARGET || fcport->loop_id == FC_NO_LOOP_ID) return QLA_FUNCTION_FAILED; priority = qla24xx_get_fcp_prio(vha, fcport); if (priority < 0) return QLA_FUNCTION_FAILED; if (IS_P3P_TYPE(vha->hw)) { fcport->fcp_prio = priority & 0xf; return QLA_SUCCESS; } ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb); if (ret == QLA_SUCCESS) { if (fcport->fcp_prio != priority) ql_dbg(ql_dbg_user, vha, 0x709e, "Updated FCP_CMND priority - value=%d loop_id=%d " "port_id=%02x%02x%02x.\n", priority, fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa); fcport->fcp_prio = priority & 0xf; } else ql_dbg(ql_dbg_user, vha, 0x704f, "Unable to update FCP_CMND priority - ret=0x%x for " "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa); return ret; } /* * qla24xx_update_all_fcp_prio * Activates fcp priority for all the logged in ports * * Input: * ha = adapter block pointer. * * Return: * QLA_SUCCESS or QLA_FUNCTION_FAILED * * Context: * Kernel context. */ int qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha) { int ret; fc_port_t *fcport; ret = QLA_FUNCTION_FAILED; /* We need to set priority for all logged in ports */ list_for_each_entry(fcport, &vha->vp_fcports, list) ret = qla24xx_update_fcport_fcp_prio(vha, fcport); return ret; } struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos, int vp_idx, bool startqp) { int rsp_id = 0; int req_id = 0; int i; struct qla_hw_data *ha = vha->hw; uint16_t qpair_id = 0; struct qla_qpair *qpair = NULL; struct qla_msix_entry *msix; if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) { ql_log(ql_log_warn, vha, 0x00181, "FW/Driver is not multi-queue capable.\n"); return NULL; } if (ql2xmqsupport || ql2xnvmeenable) { qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL); if (qpair == NULL) { ql_log(ql_log_warn, vha, 0x0182, "Failed to allocate memory for queue pair.\n"); return NULL; } qpair->hw = vha->hw; qpair->vha = vha; qpair->qp_lock_ptr = &qpair->qp_lock; spin_lock_init(&qpair->qp_lock); qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0; /* Assign available que pair id */ mutex_lock(&ha->mq_lock); qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs); if (ha->num_qpairs >= ha->max_qpairs) { mutex_unlock(&ha->mq_lock); ql_log(ql_log_warn, vha, 0x0183, "No resources to create additional q pair.\n"); goto fail_qid_map; } ha->num_qpairs++; set_bit(qpair_id, ha->qpair_qid_map); ha->queue_pair_map[qpair_id] = qpair; qpair->id = qpair_id; qpair->vp_idx = vp_idx; qpair->fw_started = ha->flags.fw_started; INIT_LIST_HEAD(&qpair->hints_list); INIT_LIST_HEAD(&qpair->dsd_list); qpair->chip_reset = ha->base_qpair->chip_reset; qpair->enable_class_2 = ha->base_qpair->enable_class_2; qpair->enable_explicit_conf = ha->base_qpair->enable_explicit_conf; for (i = 0; i < ha->msix_count; i++) { msix = &ha->msix_entries[i]; if (msix->in_use) continue; qpair->msix = msix; ql_dbg(ql_dbg_multiq, vha, 0xc00f, "Vector %x selected for qpair\n", msix->vector); break; } if (!qpair->msix) { ql_log(ql_log_warn, vha, 0x0184, "Out of MSI-X vectors!.\n"); goto fail_msix; } qpair->msix->in_use = 1; list_add_tail(&qpair->qp_list_elem, &vha->qp_list); qpair->pdev = ha->pdev; if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha)) qpair->reqq_start_iocbs = qla_83xx_start_iocbs; mutex_unlock(&ha->mq_lock); /* Create response queue first */ rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp); if (!rsp_id) { ql_log(ql_log_warn, vha, 0x0185, "Failed to create response queue.\n"); goto fail_rsp; } qpair->rsp = ha->rsp_q_map[rsp_id]; /* Create request queue */ req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos, startqp); if (!req_id) { ql_log(ql_log_warn, vha, 0x0186, "Failed to create request queue.\n"); goto fail_req; } qpair->req = ha->req_q_map[req_id]; qpair->rsp->req = qpair->req; qpair->rsp->qpair = qpair; if (!qpair->cpu_mapped) qla_cpu_update(qpair, raw_smp_processor_id()); if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) { if (ha->fw_attributes & BIT_4) qpair->difdix_supported = 1; } qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep); if (!qpair->srb_mempool) { ql_log(ql_log_warn, vha, 0xd036, "Failed to create srb mempool for qpair %d\n", qpair->id); goto fail_mempool; } if (qla_create_buf_pool(vha, qpair)) { ql_log(ql_log_warn, vha, 0xd036, "Failed to initialize buf pool for qpair %d\n", qpair->id); goto fail_bufpool; } /* Mark as online */ qpair->online = 1; if (!vha->flags.qpairs_available) vha->flags.qpairs_available = 1; ql_dbg(ql_dbg_multiq, vha, 0xc00d, "Request/Response queue pair created, id %d\n", qpair->id); ql_dbg(ql_dbg_init, vha, 0x0187, "Request/Response queue pair created, id %d\n", qpair->id); } return qpair; fail_bufpool: mempool_destroy(qpair->srb_mempool); fail_mempool: qla25xx_delete_req_que(vha, qpair->req); fail_req: qla25xx_delete_rsp_que(vha, qpair->rsp); fail_rsp: mutex_lock(&ha->mq_lock); qpair->msix->in_use = 0; list_del(&qpair->qp_list_elem); if (list_empty(&vha->qp_list)) vha->flags.qpairs_available = 0; fail_msix: ha->queue_pair_map[qpair_id] = NULL; clear_bit(qpair_id, ha->qpair_qid_map); ha->num_qpairs--; mutex_unlock(&ha->mq_lock); fail_qid_map: kfree(qpair); return NULL; } int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair) { int ret = QLA_FUNCTION_FAILED; struct qla_hw_data *ha = qpair->hw; qpair->delete_in_progress = 1; qla_free_buf_pool(qpair); ret = qla25xx_delete_req_que(vha, qpair->req); if (ret != QLA_SUCCESS) goto fail; ret = qla25xx_delete_rsp_que(vha, qpair->rsp); if (ret != QLA_SUCCESS) goto fail; if (!list_empty(&qpair->dsd_list)) { struct dsd_dma *dsd_ptr, *tdsd_ptr; /* clean up allocated prev pool */ list_for_each_entry_safe(dsd_ptr, tdsd_ptr, &qpair->dsd_list, list) { dma_pool_free(ha->dl_dma_pool, dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma); list_del(&dsd_ptr->list); kfree(dsd_ptr); } } mutex_lock(&ha->mq_lock); ha->queue_pair_map[qpair->id] = NULL; clear_bit(qpair->id, ha->qpair_qid_map); ha->num_qpairs--; list_del(&qpair->qp_list_elem); if (list_empty(&vha->qp_list)) { vha->flags.qpairs_available = 0; vha->flags.qpairs_req_created = 0; vha->flags.qpairs_rsp_created = 0; } mempool_destroy(qpair->srb_mempool); kfree(qpair); mutex_unlock(&ha->mq_lock); return QLA_SUCCESS; fail: return ret; } uint64_t qla2x00_count_set_bits(uint32_t num) { /* Brian Kernighan's Algorithm */ u64 count = 0; while (num) { num &= (num - 1); count++; } return count; } uint64_t qla2x00_get_num_tgts(scsi_qla_host_t *vha) { fc_port_t *f, *tf; u64 count = 0; f = NULL; tf = NULL; list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { if (f->port_type != FCT_TARGET) continue; count++; } return count; } int qla2xxx_reset_stats(struct Scsi_Host *host, u32 flags) { scsi_qla_host_t *vha = shost_priv(host); fc_port_t *fcport = NULL; unsigned long int_flags; if (flags & QLA2XX_HW_ERROR) vha->hw_err_cnt = 0; if (flags & QLA2XX_SHT_LNK_DWN) vha->short_link_down_cnt = 0; if (flags & QLA2XX_INT_ERR) vha->interface_err_cnt = 0; if (flags & QLA2XX_CMD_TIMEOUT) vha->cmd_timeout_cnt = 0; if (flags & QLA2XX_RESET_CMD_ERR) vha->reset_cmd_err_cnt = 0; if (flags & QLA2XX_TGT_SHT_LNK_DOWN) { spin_lock_irqsave(&vha->hw->tgt.sess_lock, int_flags); list_for_each_entry(fcport, &vha->vp_fcports, list) { fcport->tgt_short_link_down_cnt = 0; fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME; } spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, int_flags); } vha->link_down_time = QLA2XX_MAX_LINK_DOWN_TIME; return 0; } int qla2xxx_start_stats(struct Scsi_Host *host, u32 flags) { return qla2xxx_reset_stats(host, flags); } int qla2xxx_stop_stats(struct Scsi_Host *host, u32 flags) { return qla2xxx_reset_stats(host, flags); } int qla2xxx_get_ini_stats(struct Scsi_Host *host, u32 flags, void *data, u64 size) { scsi_qla_host_t *vha = shost_priv(host); struct ql_vnd_host_stats_resp *resp = (struct ql_vnd_host_stats_resp *)data; struct ql_vnd_stats *rsp_data = &resp->stats; u64 ini_entry_count = 0; u64 i = 0; u64 entry_count = 0; u64 num_tgt = 0; u32 tmp_stat_type = 0; fc_port_t *fcport = NULL; unsigned long int_flags; /* Copy stat type to work on it */ tmp_stat_type = flags; if (tmp_stat_type & BIT_17) { num_tgt = qla2x00_get_num_tgts(vha); /* unset BIT_17 */ tmp_stat_type &= ~(1 << 17); } ini_entry_count = qla2x00_count_set_bits(tmp_stat_type); entry_count = ini_entry_count + num_tgt; rsp_data->entry_count = entry_count; i = 0; if (flags & QLA2XX_HW_ERROR) { rsp_data->entry[i].stat_type = QLA2XX_HW_ERROR; rsp_data->entry[i].tgt_num = 0x0; rsp_data->entry[i].cnt = vha->hw_err_cnt; i++; } if (flags & QLA2XX_SHT_LNK_DWN) { rsp_data->entry[i].stat_type = QLA2XX_SHT_LNK_DWN; rsp_data->entry[i].tgt_num = 0x0; rsp_data->entry[i].cnt = vha->short_link_down_cnt; i++; } if (flags & QLA2XX_INT_ERR) { rsp_data->entry[i].stat_type = QLA2XX_INT_ERR; rsp_data->entry[i].tgt_num = 0x0; rsp_data->entry[i].cnt = vha->interface_err_cnt; i++; } if (flags & QLA2XX_CMD_TIMEOUT) { rsp_data->entry[i].stat_type = QLA2XX_CMD_TIMEOUT; rsp_data->entry[i].tgt_num = 0x0; rsp_data->entry[i].cnt = vha->cmd_timeout_cnt; i++; } if (flags & QLA2XX_RESET_CMD_ERR) { rsp_data->entry[i].stat_type = QLA2XX_RESET_CMD_ERR; rsp_data->entry[i].tgt_num = 0x0; rsp_data->entry[i].cnt = vha->reset_cmd_err_cnt; i++; } /* i will continue from previous loop, as target * entries are after initiator */ if (flags & QLA2XX_TGT_SHT_LNK_DOWN) { spin_lock_irqsave(&vha->hw->tgt.sess_lock, int_flags); list_for_each_entry(fcport, &vha->vp_fcports, list) { if (fcport->port_type != FCT_TARGET) continue; if (!fcport->rport) continue; rsp_data->entry[i].stat_type = QLA2XX_TGT_SHT_LNK_DOWN; rsp_data->entry[i].tgt_num = fcport->rport->number; rsp_data->entry[i].cnt = fcport->tgt_short_link_down_cnt; i++; } spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, int_flags); } resp->status = EXT_STATUS_OK; return 0; } int qla2xxx_get_tgt_stats(struct Scsi_Host *host, u32 flags, struct fc_rport *rport, void *data, u64 size) { struct ql_vnd_tgt_stats_resp *tgt_data = data; fc_port_t *fcport = *(fc_port_t **)rport->dd_data; tgt_data->status = 0; tgt_data->stats.entry_count = 1; tgt_data->stats.entry[0].stat_type = flags; tgt_data->stats.entry[0].tgt_num = rport->number; tgt_data->stats.entry[0].cnt = fcport->tgt_short_link_down_cnt; return 0; } int qla2xxx_disable_port(struct Scsi_Host *host) { scsi_qla_host_t *vha = shost_priv(host); vha->hw->flags.port_isolated = 1; if (qla2x00_isp_reg_stat(vha->hw)) { ql_log(ql_log_info, vha, 0x9006, "PCI/Register disconnect, exiting.\n"); qla_pci_set_eeh_busy(vha); return FAILED; } if (qla2x00_chip_is_down(vha)) return 0; if (vha->flags.online) { qla2x00_abort_isp_cleanup(vha); qla2x00_wait_for_sess_deletion(vha); } return 0; } int qla2xxx_enable_port(struct Scsi_Host *host) { scsi_qla_host_t *vha = shost_priv(host); if (qla2x00_isp_reg_stat(vha->hw)) { ql_log(ql_log_info, vha, 0x9001, "PCI/Register disconnect, exiting.\n"); qla_pci_set_eeh_busy(vha); return FAILED; } vha->hw->flags.port_isolated = 0; /* Set the flag to 1, so that isp_abort can proceed */ vha->flags.online = 1; set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); qla2xxx_wake_dpc(vha); return 0; }
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