| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1 | /******************************************************************* |
| 2 | * This file is part of the Emulex Linux Device Driver for * |
James.Smart@Emulex.Com | c44ce17 | 2005-06-25 10:34:39 -0400 | [diff] [blame] | 3 | * Fibre Channel Host Bus Adapters. * |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 4 | * Copyright (C) 2004-2008 Emulex. All rights reserved. * |
James.Smart@Emulex.Com | c44ce17 | 2005-06-25 10:34:39 -0400 | [diff] [blame] | 5 | * EMULEX and SLI are trademarks of Emulex. * |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 6 | * www.emulex.com * |
James.Smart@Emulex.Com | c44ce17 | 2005-06-25 10:34:39 -0400 | [diff] [blame] | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 8 | * * |
| 9 | * This program is free software; you can redistribute it and/or * |
James.Smart@Emulex.Com | c44ce17 | 2005-06-25 10:34:39 -0400 | [diff] [blame] | 10 | * modify it under the terms of version 2 of the GNU General * |
| 11 | * Public License as published by the Free Software Foundation. * |
| 12 | * This program is distributed in the hope that it will be useful. * |
| 13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * |
| 14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * |
| 15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * |
| 16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * |
| 17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * |
| 18 | * more details, a copy of which can be found in the file COPYING * |
| 19 | * included with this package. * |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 20 | *******************************************************************/ |
James Smart | 0937282 | 2008-01-11 01:52:54 -0500 | [diff] [blame] | 21 | /* See Fibre Channel protocol T11 FC-LS for details */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 22 | #include <linux/blkdev.h> |
| 23 | #include <linux/pci.h> |
| 24 | #include <linux/interrupt.h> |
| 25 | |
James.Smart@Emulex.Com | 9188652 | 2005-08-10 15:03:09 -0400 | [diff] [blame] | 26 | #include <scsi/scsi.h> |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 27 | #include <scsi/scsi_device.h> |
| 28 | #include <scsi/scsi_host.h> |
| 29 | #include <scsi/scsi_transport_fc.h> |
| 30 | |
| 31 | #include "lpfc_hw.h" |
| 32 | #include "lpfc_sli.h" |
| 33 | #include "lpfc_disc.h" |
| 34 | #include "lpfc_scsi.h" |
| 35 | #include "lpfc.h" |
| 36 | #include "lpfc_logmsg.h" |
| 37 | #include "lpfc_crtn.h" |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 38 | #include "lpfc_vport.h" |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 39 | #include "lpfc_debugfs.h" |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 40 | |
| 41 | static int lpfc_els_retry(struct lpfc_hba *, struct lpfc_iocbq *, |
| 42 | struct lpfc_iocbq *); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 43 | static void lpfc_cmpl_fabric_iocb(struct lpfc_hba *, struct lpfc_iocbq *, |
| 44 | struct lpfc_iocbq *); |
Adrian Bunk | a6ababd | 2007-11-05 18:07:33 +0100 | [diff] [blame] | 45 | static void lpfc_fabric_abort_vport(struct lpfc_vport *vport); |
| 46 | static int lpfc_issue_els_fdisc(struct lpfc_vport *vport, |
| 47 | struct lpfc_nodelist *ndlp, uint8_t retry); |
| 48 | static int lpfc_issue_fabric_iocb(struct lpfc_hba *phba, |
| 49 | struct lpfc_iocbq *iocb); |
| 50 | static void lpfc_register_new_vport(struct lpfc_hba *phba, |
| 51 | struct lpfc_vport *vport, |
| 52 | struct lpfc_nodelist *ndlp); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 53 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 54 | static int lpfc_max_els_tries = 3; |
| 55 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 56 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 57 | lpfc_els_chk_latt(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 58 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 59 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 60 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 61 | uint32_t ha_copy; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 62 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 63 | if (vport->port_state >= LPFC_VPORT_READY || |
| 64 | phba->link_state == LPFC_LINK_DOWN) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 65 | return 0; |
| 66 | |
| 67 | /* Read the HBA Host Attention Register */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 68 | ha_copy = readl(phba->HAregaddr); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 69 | |
| 70 | if (!(ha_copy & HA_LATT)) |
| 71 | return 0; |
| 72 | |
| 73 | /* Pending Link Event during Discovery */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 74 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
| 75 | "0237 Pending Link Event during " |
| 76 | "Discovery: State x%x\n", |
| 77 | phba->pport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 78 | |
| 79 | /* CLEAR_LA should re-enable link attention events and |
| 80 | * we should then imediately take a LATT event. The |
| 81 | * LATT processing should call lpfc_linkdown() which |
| 82 | * will cleanup any left over in-progress discovery |
| 83 | * events. |
| 84 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 85 | spin_lock_irq(shost->host_lock); |
| 86 | vport->fc_flag |= FC_ABORT_DISCOVERY; |
| 87 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 88 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 89 | if (phba->link_state != LPFC_CLEAR_LA) |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 90 | lpfc_issue_clear_la(phba, vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 91 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 92 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 93 | } |
| 94 | |
| 95 | static struct lpfc_iocbq * |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 96 | lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp, |
| 97 | uint16_t cmdSize, uint8_t retry, |
| 98 | struct lpfc_nodelist *ndlp, uint32_t did, |
| 99 | uint32_t elscmd) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 100 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 101 | struct lpfc_hba *phba = vport->phba; |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 102 | struct lpfc_iocbq *elsiocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 103 | struct lpfc_dmabuf *pcmd, *prsp, *pbuflist; |
| 104 | struct ulp_bde64 *bpl; |
| 105 | IOCB_t *icmd; |
| 106 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 107 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 108 | if (!lpfc_is_link_up(phba)) |
| 109 | return NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 110 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 111 | /* Allocate buffer for command iocb */ |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 112 | elsiocb = lpfc_sli_get_iocbq(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 113 | |
| 114 | if (elsiocb == NULL) |
| 115 | return NULL; |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 116 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 117 | icmd = &elsiocb->iocb; |
| 118 | |
| 119 | /* fill in BDEs for command */ |
| 120 | /* Allocate buffer for command payload */ |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 121 | pcmd = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); |
| 122 | if (pcmd) |
| 123 | pcmd->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &pcmd->phys); |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 124 | if (!pcmd || !pcmd->virt) |
| 125 | goto els_iocb_free_pcmb_exit; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 126 | |
| 127 | INIT_LIST_HEAD(&pcmd->list); |
| 128 | |
| 129 | /* Allocate buffer for response payload */ |
| 130 | if (expectRsp) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 131 | prsp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 132 | if (prsp) |
| 133 | prsp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, |
| 134 | &prsp->phys); |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 135 | if (!prsp || !prsp->virt) |
| 136 | goto els_iocb_free_prsp_exit; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 137 | INIT_LIST_HEAD(&prsp->list); |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 138 | } else |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 139 | prsp = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 140 | |
| 141 | /* Allocate buffer for Buffer ptr list */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 142 | pbuflist = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 143 | if (pbuflist) |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 144 | pbuflist->virt = lpfc_mbuf_alloc(phba, MEM_PRI, |
| 145 | &pbuflist->phys); |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 146 | if (!pbuflist || !pbuflist->virt) |
| 147 | goto els_iocb_free_pbuf_exit; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 148 | |
| 149 | INIT_LIST_HEAD(&pbuflist->list); |
| 150 | |
| 151 | icmd->un.elsreq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys); |
| 152 | icmd->un.elsreq64.bdl.addrLow = putPaddrLow(pbuflist->phys); |
| 153 | icmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BDL; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 154 | icmd->un.elsreq64.remoteID = did; /* DID */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 155 | if (expectRsp) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 156 | icmd->un.elsreq64.bdl.bdeSize = (2 * sizeof(struct ulp_bde64)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 157 | icmd->ulpCommand = CMD_ELS_REQUEST64_CR; |
James Smart | 2680eea | 2007-04-25 09:52:55 -0400 | [diff] [blame] | 158 | icmd->ulpTimeout = phba->fc_ratov * 2; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 159 | } else { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 160 | icmd->un.elsreq64.bdl.bdeSize = sizeof(struct ulp_bde64); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 161 | icmd->ulpCommand = CMD_XMIT_ELS_RSP64_CX; |
| 162 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 163 | icmd->ulpBdeCount = 1; |
| 164 | icmd->ulpLe = 1; |
| 165 | icmd->ulpClass = CLASS3; |
| 166 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 167 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { |
| 168 | icmd->un.elsreq64.myID = vport->fc_myDID; |
| 169 | |
| 170 | /* For ELS_REQUEST64_CR, use the VPI by default */ |
| 171 | icmd->ulpContext = vport->vpi; |
| 172 | icmd->ulpCt_h = 0; |
| 173 | icmd->ulpCt_l = 1; |
| 174 | } |
| 175 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 176 | bpl = (struct ulp_bde64 *) pbuflist->virt; |
| 177 | bpl->addrLow = le32_to_cpu(putPaddrLow(pcmd->phys)); |
| 178 | bpl->addrHigh = le32_to_cpu(putPaddrHigh(pcmd->phys)); |
| 179 | bpl->tus.f.bdeSize = cmdSize; |
| 180 | bpl->tus.f.bdeFlags = 0; |
| 181 | bpl->tus.w = le32_to_cpu(bpl->tus.w); |
| 182 | |
| 183 | if (expectRsp) { |
| 184 | bpl++; |
| 185 | bpl->addrLow = le32_to_cpu(putPaddrLow(prsp->phys)); |
| 186 | bpl->addrHigh = le32_to_cpu(putPaddrHigh(prsp->phys)); |
| 187 | bpl->tus.f.bdeSize = FCELSSIZE; |
| 188 | bpl->tus.f.bdeFlags = BUFF_USE_RCV; |
| 189 | bpl->tus.w = le32_to_cpu(bpl->tus.w); |
| 190 | } |
| 191 | |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 192 | /* prevent preparing iocb with NULL ndlp reference */ |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 193 | elsiocb->context1 = lpfc_nlp_get(ndlp); |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 194 | if (!elsiocb->context1) |
| 195 | goto els_iocb_free_pbuf_exit; |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 196 | elsiocb->context2 = pcmd; |
| 197 | elsiocb->context3 = pbuflist; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 198 | elsiocb->retry = retry; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 199 | elsiocb->vport = vport; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 200 | elsiocb->drvrTimeout = (phba->fc_ratov << 1) + LPFC_DRVR_TIMEOUT; |
| 201 | |
| 202 | if (prsp) { |
| 203 | list_add(&prsp->list, &pcmd->list); |
| 204 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 205 | if (expectRsp) { |
| 206 | /* Xmit ELS command <elsCmd> to remote NPORT <did> */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 207 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 208 | "0116 Xmit ELS command x%x to remote " |
| 209 | "NPORT x%x I/O tag: x%x, port state: x%x\n", |
| 210 | elscmd, did, elsiocb->iotag, |
| 211 | vport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 212 | } else { |
| 213 | /* Xmit ELS response <elsCmd> to remote NPORT <did> */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 214 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 215 | "0117 Xmit ELS response x%x to remote " |
| 216 | "NPORT x%x I/O tag: x%x, size: x%x\n", |
| 217 | elscmd, ndlp->nlp_DID, elsiocb->iotag, |
| 218 | cmdSize); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 219 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 220 | return elsiocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 221 | |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 222 | els_iocb_free_pbuf_exit: |
| 223 | lpfc_mbuf_free(phba, prsp->virt, prsp->phys); |
| 224 | kfree(pbuflist); |
| 225 | |
| 226 | els_iocb_free_prsp_exit: |
| 227 | lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys); |
| 228 | kfree(prsp); |
| 229 | |
| 230 | els_iocb_free_pcmb_exit: |
| 231 | kfree(pcmd); |
| 232 | lpfc_sli_release_iocbq(phba, elsiocb); |
| 233 | return NULL; |
| 234 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 235 | |
| 236 | static int |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 237 | lpfc_issue_fabric_reglogin(struct lpfc_vport *vport) |
| 238 | { |
| 239 | struct lpfc_hba *phba = vport->phba; |
| 240 | LPFC_MBOXQ_t *mbox; |
| 241 | struct lpfc_dmabuf *mp; |
| 242 | struct lpfc_nodelist *ndlp; |
| 243 | struct serv_parm *sp; |
| 244 | int rc; |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 245 | int err = 0; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 246 | |
| 247 | sp = &phba->fc_fabparam; |
| 248 | ndlp = lpfc_findnode_did(vport, Fabric_DID); |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 249 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 250 | err = 1; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 251 | goto fail; |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 252 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 253 | |
| 254 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 255 | if (!mbox) { |
| 256 | err = 2; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 257 | goto fail; |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 258 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 259 | |
| 260 | vport->port_state = LPFC_FABRIC_CFG_LINK; |
| 261 | lpfc_config_link(phba, mbox); |
| 262 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| 263 | mbox->vport = vport; |
| 264 | |
James Smart | 0b727fe | 2007-10-27 13:37:25 -0400 | [diff] [blame] | 265 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 266 | if (rc == MBX_NOT_FINISHED) { |
| 267 | err = 3; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 268 | goto fail_free_mbox; |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 269 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 270 | |
| 271 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 272 | if (!mbox) { |
| 273 | err = 4; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 274 | goto fail; |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 275 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 276 | rc = lpfc_reg_login(phba, vport->vpi, Fabric_DID, (uint8_t *)sp, mbox, |
| 277 | 0); |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 278 | if (rc) { |
| 279 | err = 5; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 280 | goto fail_free_mbox; |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 281 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 282 | |
| 283 | mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login; |
| 284 | mbox->vport = vport; |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 285 | /* increment the reference count on ndlp to hold reference |
| 286 | * for the callback routine. |
| 287 | */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 288 | mbox->context2 = lpfc_nlp_get(ndlp); |
| 289 | |
James Smart | 0b727fe | 2007-10-27 13:37:25 -0400 | [diff] [blame] | 290 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 291 | if (rc == MBX_NOT_FINISHED) { |
| 292 | err = 6; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 293 | goto fail_issue_reg_login; |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 294 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 295 | |
| 296 | return 0; |
| 297 | |
| 298 | fail_issue_reg_login: |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 299 | /* decrement the reference count on ndlp just incremented |
| 300 | * for the failed mbox command. |
| 301 | */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 302 | lpfc_nlp_put(ndlp); |
| 303 | mp = (struct lpfc_dmabuf *) mbox->context1; |
| 304 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 305 | kfree(mp); |
| 306 | fail_free_mbox: |
| 307 | mempool_free(mbox, phba->mbox_mem_pool); |
| 308 | |
| 309 | fail: |
| 310 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 311 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 312 | "0249 Cannot issue Register Fabric login: Err %d\n", err); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 313 | return -ENXIO; |
| 314 | } |
| 315 | |
| 316 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 317 | lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
| 318 | struct serv_parm *sp, IOCB_t *irsp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 319 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 320 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 321 | struct lpfc_hba *phba = vport->phba; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 322 | struct lpfc_nodelist *np; |
| 323 | struct lpfc_nodelist *next_np; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 324 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 325 | spin_lock_irq(shost->host_lock); |
| 326 | vport->fc_flag |= FC_FABRIC; |
| 327 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 328 | |
| 329 | phba->fc_edtov = be32_to_cpu(sp->cmn.e_d_tov); |
| 330 | if (sp->cmn.edtovResolution) /* E_D_TOV ticks are in nanoseconds */ |
| 331 | phba->fc_edtov = (phba->fc_edtov + 999999) / 1000000; |
| 332 | |
| 333 | phba->fc_ratov = (be32_to_cpu(sp->cmn.w2.r_a_tov) + 999) / 1000; |
| 334 | |
| 335 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 336 | spin_lock_irq(shost->host_lock); |
| 337 | vport->fc_flag |= FC_PUBLIC_LOOP; |
| 338 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 339 | } else { |
| 340 | /* |
| 341 | * If we are a N-port connected to a Fabric, fixup sparam's so |
| 342 | * logins to devices on remote loops work. |
| 343 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 344 | vport->fc_sparam.cmn.altBbCredit = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 345 | } |
| 346 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 347 | vport->fc_myDID = irsp->un.ulpWord[4] & Mask_DID; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 348 | memcpy(&ndlp->nlp_portname, &sp->portName, sizeof(struct lpfc_name)); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 349 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof(struct lpfc_name)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 350 | ndlp->nlp_class_sup = 0; |
| 351 | if (sp->cls1.classValid) |
| 352 | ndlp->nlp_class_sup |= FC_COS_CLASS1; |
| 353 | if (sp->cls2.classValid) |
| 354 | ndlp->nlp_class_sup |= FC_COS_CLASS2; |
| 355 | if (sp->cls3.classValid) |
| 356 | ndlp->nlp_class_sup |= FC_COS_CLASS3; |
| 357 | if (sp->cls4.classValid) |
| 358 | ndlp->nlp_class_sup |= FC_COS_CLASS4; |
| 359 | ndlp->nlp_maxframe = ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | |
| 360 | sp->cmn.bbRcvSizeLsb; |
| 361 | memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm)); |
| 362 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 363 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { |
| 364 | if (sp->cmn.response_multiple_NPort) { |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 365 | lpfc_printf_vlog(vport, KERN_WARNING, |
| 366 | LOG_ELS | LOG_VPORT, |
| 367 | "1816 FLOGI NPIV supported, " |
| 368 | "response data 0x%x\n", |
| 369 | sp->cmn.response_multiple_NPort); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 370 | phba->link_flag |= LS_NPIV_FAB_SUPPORTED; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 371 | } else { |
| 372 | /* Because we asked f/w for NPIV it still expects us |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 373 | to call reg_vnpid atleast for the physcial host */ |
| 374 | lpfc_printf_vlog(vport, KERN_WARNING, |
| 375 | LOG_ELS | LOG_VPORT, |
| 376 | "1817 Fabric does not support NPIV " |
| 377 | "- configuring single port mode.\n"); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 378 | phba->link_flag &= ~LS_NPIV_FAB_SUPPORTED; |
| 379 | } |
| 380 | } |
| 381 | |
| 382 | if ((vport->fc_prevDID != vport->fc_myDID) && |
| 383 | !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) { |
| 384 | |
| 385 | /* If our NportID changed, we need to ensure all |
| 386 | * remaining NPORTs get unreg_login'ed. |
| 387 | */ |
| 388 | list_for_each_entry_safe(np, next_np, |
| 389 | &vport->fc_nodes, nlp_listp) { |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 390 | if (!NLP_CHK_NODE_ACT(ndlp)) |
| 391 | continue; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 392 | if ((np->nlp_state != NLP_STE_NPR_NODE) || |
| 393 | !(np->nlp_flag & NLP_NPR_ADISC)) |
| 394 | continue; |
| 395 | spin_lock_irq(shost->host_lock); |
| 396 | np->nlp_flag &= ~NLP_NPR_ADISC; |
| 397 | spin_unlock_irq(shost->host_lock); |
| 398 | lpfc_unreg_rpi(vport, np); |
| 399 | } |
| 400 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { |
| 401 | lpfc_mbx_unreg_vpi(vport); |
James Smart | 0937282 | 2008-01-11 01:52:54 -0500 | [diff] [blame] | 402 | spin_lock_irq(shost->host_lock); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 403 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
James Smart | 0937282 | 2008-01-11 01:52:54 -0500 | [diff] [blame] | 404 | spin_unlock_irq(shost->host_lock); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 405 | } |
| 406 | } |
| 407 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 408 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_REG_LOGIN_ISSUE); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 409 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 410 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED && |
| 411 | vport->fc_flag & FC_VPORT_NEEDS_REG_VPI) { |
| 412 | lpfc_register_new_vport(phba, vport, ndlp); |
| 413 | return 0; |
| 414 | } |
| 415 | lpfc_issue_fabric_reglogin(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 416 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 417 | } |
| 418 | |
| 419 | /* |
| 420 | * We FLOGIed into an NPort, initiate pt2pt protocol |
| 421 | */ |
| 422 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 423 | lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
| 424 | struct serv_parm *sp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 425 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 426 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 427 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 428 | LPFC_MBOXQ_t *mbox; |
| 429 | int rc; |
| 430 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 431 | spin_lock_irq(shost->host_lock); |
| 432 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); |
| 433 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 434 | |
| 435 | phba->fc_edtov = FF_DEF_EDTOV; |
| 436 | phba->fc_ratov = FF_DEF_RATOV; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 437 | rc = memcmp(&vport->fc_portname, &sp->portName, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 438 | sizeof(vport->fc_portname)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 439 | if (rc >= 0) { |
| 440 | /* This side will initiate the PLOGI */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 441 | spin_lock_irq(shost->host_lock); |
| 442 | vport->fc_flag |= FC_PT2PT_PLOGI; |
| 443 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 444 | |
| 445 | /* |
| 446 | * N_Port ID cannot be 0, set our to LocalID the other |
| 447 | * side will be RemoteID. |
| 448 | */ |
| 449 | |
| 450 | /* not equal */ |
| 451 | if (rc) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 452 | vport->fc_myDID = PT2PT_LocalID; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 453 | |
| 454 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 455 | if (!mbox) |
| 456 | goto fail; |
| 457 | |
| 458 | lpfc_config_link(phba, mbox); |
| 459 | |
| 460 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 461 | mbox->vport = vport; |
James Smart | 0b727fe | 2007-10-27 13:37:25 -0400 | [diff] [blame] | 462 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 463 | if (rc == MBX_NOT_FINISHED) { |
| 464 | mempool_free(mbox, phba->mbox_mem_pool); |
| 465 | goto fail; |
| 466 | } |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 467 | /* Decrement ndlp reference count indicating that ndlp can be |
| 468 | * safely released when other references to it are done. |
| 469 | */ |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 470 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 471 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 472 | ndlp = lpfc_findnode_did(vport, PT2PT_RemoteID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 473 | if (!ndlp) { |
| 474 | /* |
| 475 | * Cannot find existing Fabric ndlp, so allocate a |
| 476 | * new one |
| 477 | */ |
| 478 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
| 479 | if (!ndlp) |
| 480 | goto fail; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 481 | lpfc_nlp_init(vport, ndlp, PT2PT_RemoteID); |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 482 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { |
| 483 | ndlp = lpfc_enable_node(vport, ndlp, |
| 484 | NLP_STE_UNUSED_NODE); |
| 485 | if(!ndlp) |
| 486 | goto fail; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 487 | } |
| 488 | |
| 489 | memcpy(&ndlp->nlp_portname, &sp->portName, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 490 | sizeof(struct lpfc_name)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 491 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 492 | sizeof(struct lpfc_name)); |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 493 | /* Set state will put ndlp onto node list if not already done */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 494 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
| 495 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 496 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 497 | spin_unlock_irq(shost->host_lock); |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 498 | } else |
| 499 | /* This side will wait for the PLOGI, decrement ndlp reference |
| 500 | * count indicating that ndlp can be released when other |
| 501 | * references to it are done. |
| 502 | */ |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 503 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 504 | |
James Smart | 0937282 | 2008-01-11 01:52:54 -0500 | [diff] [blame] | 505 | /* If we are pt2pt with another NPort, force NPIV off! */ |
| 506 | phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED; |
| 507 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 508 | spin_lock_irq(shost->host_lock); |
| 509 | vport->fc_flag |= FC_PT2PT; |
| 510 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 511 | |
| 512 | /* Start discovery - this should just do CLEAR_LA */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 513 | lpfc_disc_start(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 514 | return 0; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 515 | fail: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 516 | return -ENXIO; |
| 517 | } |
| 518 | |
| 519 | static void |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 520 | lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 521 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 522 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 523 | struct lpfc_vport *vport = cmdiocb->vport; |
| 524 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 525 | IOCB_t *irsp = &rspiocb->iocb; |
| 526 | struct lpfc_nodelist *ndlp = cmdiocb->context1; |
| 527 | struct lpfc_dmabuf *pcmd = cmdiocb->context2, *prsp; |
| 528 | struct serv_parm *sp; |
| 529 | int rc; |
| 530 | |
| 531 | /* Check to see if link went down during discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 532 | if (lpfc_els_chk_latt(vport)) { |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 533 | /* One additional decrement on node reference count to |
| 534 | * trigger the release of the node |
| 535 | */ |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 536 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 537 | goto out; |
| 538 | } |
| 539 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 540 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
| 541 | "FLOGI cmpl: status:x%x/x%x state:x%x", |
| 542 | irsp->ulpStatus, irsp->un.ulpWord[4], |
| 543 | vport->port_state); |
| 544 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 545 | if (irsp->ulpStatus) { |
| 546 | /* Check for retry */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 547 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 548 | goto out; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 549 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 550 | /* FLOGI failed, so there is no fabric */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 551 | spin_lock_irq(shost->host_lock); |
| 552 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); |
| 553 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 554 | |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 555 | /* If private loop, then allow max outstanding els to be |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 556 | * LPFC_MAX_DISC_THREADS (32). Scanning in the case of no |
| 557 | * alpa map would take too long otherwise. |
| 558 | */ |
| 559 | if (phba->alpa_map[0] == 0) { |
James Smart | 3de2a65 | 2007-08-02 11:09:59 -0400 | [diff] [blame] | 560 | vport->cfg_discovery_threads = LPFC_MAX_DISC_THREADS; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 561 | } |
| 562 | |
| 563 | /* FLOGI failure */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 564 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 565 | "0100 FLOGI failure Data: x%x x%x " |
| 566 | "x%x\n", |
| 567 | irsp->ulpStatus, irsp->un.ulpWord[4], |
| 568 | irsp->ulpTimeout); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 569 | goto flogifail; |
| 570 | } |
| 571 | |
| 572 | /* |
| 573 | * The FLogI succeeded. Sync the data for the CPU before |
| 574 | * accessing it. |
| 575 | */ |
| 576 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); |
| 577 | |
| 578 | sp = prsp->virt + sizeof(uint32_t); |
| 579 | |
| 580 | /* FLOGI completes successfully */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 581 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 582 | "0101 FLOGI completes sucessfully " |
| 583 | "Data: x%x x%x x%x x%x\n", |
| 584 | irsp->un.ulpWord[4], sp->cmn.e_d_tov, |
| 585 | sp->cmn.w2.r_a_tov, sp->cmn.edtovResolution); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 586 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 587 | if (vport->port_state == LPFC_FLOGI) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 588 | /* |
| 589 | * If Common Service Parameters indicate Nport |
| 590 | * we are point to point, if Fport we are Fabric. |
| 591 | */ |
| 592 | if (sp->cmn.fPort) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 593 | rc = lpfc_cmpl_els_flogi_fabric(vport, ndlp, sp, irsp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 594 | else |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 595 | rc = lpfc_cmpl_els_flogi_nport(vport, ndlp, sp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 596 | |
| 597 | if (!rc) |
| 598 | goto out; |
| 599 | } |
| 600 | |
| 601 | flogifail: |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 602 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 603 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 604 | if (!lpfc_error_lost_link(irsp)) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 605 | /* FLOGI failed, so just use loop map to make discovery list */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 606 | lpfc_disc_list_loopmap(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 607 | |
| 608 | /* Start discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 609 | lpfc_disc_start(vport); |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 610 | } else if (((irsp->ulpStatus != IOSTAT_LOCAL_REJECT) || |
| 611 | ((irsp->un.ulpWord[4] != IOERR_SLI_ABORTED) && |
| 612 | (irsp->un.ulpWord[4] != IOERR_SLI_DOWN))) && |
| 613 | (phba->link_state != LPFC_CLEAR_LA)) { |
| 614 | /* If FLOGI failed enable link interrupt. */ |
| 615 | lpfc_issue_clear_la(phba, vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 616 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 617 | out: |
| 618 | lpfc_els_free_iocb(phba, cmdiocb); |
| 619 | } |
| 620 | |
| 621 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 622 | lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 623 | uint8_t retry) |
| 624 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 625 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 626 | struct serv_parm *sp; |
| 627 | IOCB_t *icmd; |
| 628 | struct lpfc_iocbq *elsiocb; |
| 629 | struct lpfc_sli_ring *pring; |
| 630 | uint8_t *pcmd; |
| 631 | uint16_t cmdsize; |
| 632 | uint32_t tmo; |
| 633 | int rc; |
| 634 | |
| 635 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
| 636 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 637 | cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 638 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
| 639 | ndlp->nlp_DID, ELS_CMD_FLOGI); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 640 | |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 641 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 642 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 643 | |
| 644 | icmd = &elsiocb->iocb; |
| 645 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 646 | |
| 647 | /* For FLOGI request, remainder of payload is service parameters */ |
| 648 | *((uint32_t *) (pcmd)) = ELS_CMD_FLOGI; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 649 | pcmd += sizeof(uint32_t); |
| 650 | memcpy(pcmd, &vport->fc_sparam, sizeof(struct serv_parm)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 651 | sp = (struct serv_parm *) pcmd; |
| 652 | |
| 653 | /* Setup CSPs accordingly for Fabric */ |
| 654 | sp->cmn.e_d_tov = 0; |
| 655 | sp->cmn.w2.r_a_tov = 0; |
| 656 | sp->cls1.classValid = 0; |
| 657 | sp->cls2.seqDelivery = 1; |
| 658 | sp->cls3.seqDelivery = 1; |
| 659 | if (sp->cmn.fcphLow < FC_PH3) |
| 660 | sp->cmn.fcphLow = FC_PH3; |
| 661 | if (sp->cmn.fcphHigh < FC_PH3) |
| 662 | sp->cmn.fcphHigh = FC_PH3; |
| 663 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 664 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { |
| 665 | sp->cmn.request_multiple_Nport = 1; |
| 666 | |
| 667 | /* For FLOGI, Let FLOGI rsp set the NPortID for VPI 0 */ |
| 668 | icmd->ulpCt_h = 1; |
| 669 | icmd->ulpCt_l = 0; |
| 670 | } |
| 671 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 672 | if (phba->fc_topology != TOPOLOGY_LOOP) { |
| 673 | icmd->un.elsreq64.myID = 0; |
| 674 | icmd->un.elsreq64.fl = 1; |
| 675 | } |
| 676 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 677 | tmo = phba->fc_ratov; |
| 678 | phba->fc_ratov = LPFC_DISC_FLOGI_TMO; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 679 | lpfc_set_disctmo(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 680 | phba->fc_ratov = tmo; |
| 681 | |
| 682 | phba->fc_stat.elsXmitFLOGI++; |
| 683 | elsiocb->iocb_cmpl = lpfc_cmpl_els_flogi; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 684 | |
| 685 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
| 686 | "Issue FLOGI: opt:x%x", |
| 687 | phba->sli3_options, 0, 0); |
| 688 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 689 | rc = lpfc_issue_fabric_iocb(phba, elsiocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 690 | if (rc == IOCB_ERROR) { |
| 691 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 692 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 693 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 694 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 695 | } |
| 696 | |
| 697 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 698 | lpfc_els_abort_flogi(struct lpfc_hba *phba) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 699 | { |
| 700 | struct lpfc_sli_ring *pring; |
| 701 | struct lpfc_iocbq *iocb, *next_iocb; |
| 702 | struct lpfc_nodelist *ndlp; |
| 703 | IOCB_t *icmd; |
| 704 | |
| 705 | /* Abort outstanding I/O on NPort <nlp_DID> */ |
| 706 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 707 | "0201 Abort outstanding I/O on NPort x%x\n", |
| 708 | Fabric_DID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 709 | |
| 710 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
| 711 | |
| 712 | /* |
| 713 | * Check the txcmplq for an iocb that matches the nport the driver is |
| 714 | * searching for. |
| 715 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 716 | spin_lock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 717 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { |
| 718 | icmd = &iocb->iocb; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 719 | if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR && |
| 720 | icmd->un.elsreq64.bdl.ulpIoTag32) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 721 | ndlp = (struct lpfc_nodelist *)(iocb->context1); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 722 | if (ndlp && (ndlp->nlp_DID == Fabric_DID)) { |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame] | 723 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 724 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 725 | } |
| 726 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 727 | spin_unlock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 728 | |
| 729 | return 0; |
| 730 | } |
| 731 | |
| 732 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 733 | lpfc_initial_flogi(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 734 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 735 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 736 | struct lpfc_nodelist *ndlp; |
| 737 | |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 738 | vport->port_state = LPFC_FLOGI; |
| 739 | lpfc_set_disctmo(vport); |
| 740 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 741 | /* First look for the Fabric ndlp */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 742 | ndlp = lpfc_findnode_did(vport, Fabric_DID); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 743 | if (!ndlp) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 744 | /* Cannot find existing Fabric ndlp, so allocate a new one */ |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 745 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
| 746 | if (!ndlp) |
| 747 | return 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 748 | lpfc_nlp_init(vport, ndlp, Fabric_DID); |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 749 | /* Put ndlp onto node list */ |
| 750 | lpfc_enqueue_node(vport, ndlp); |
| 751 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { |
| 752 | /* re-setup ndlp without removing from node list */ |
| 753 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); |
| 754 | if (!ndlp) |
| 755 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 756 | } |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 757 | |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 758 | if (lpfc_issue_els_flogi(vport, ndlp, 0)) |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 759 | /* This decrement of reference count to node shall kick off |
| 760 | * the release of the node. |
| 761 | */ |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 762 | lpfc_nlp_put(ndlp); |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 763 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 764 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 765 | } |
| 766 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 767 | int |
| 768 | lpfc_initial_fdisc(struct lpfc_vport *vport) |
| 769 | { |
| 770 | struct lpfc_hba *phba = vport->phba; |
| 771 | struct lpfc_nodelist *ndlp; |
| 772 | |
| 773 | /* First look for the Fabric ndlp */ |
| 774 | ndlp = lpfc_findnode_did(vport, Fabric_DID); |
| 775 | if (!ndlp) { |
| 776 | /* Cannot find existing Fabric ndlp, so allocate a new one */ |
| 777 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
| 778 | if (!ndlp) |
| 779 | return 0; |
| 780 | lpfc_nlp_init(vport, ndlp, Fabric_DID); |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 781 | /* Put ndlp onto node list */ |
| 782 | lpfc_enqueue_node(vport, ndlp); |
| 783 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { |
| 784 | /* re-setup ndlp without removing from node list */ |
| 785 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); |
| 786 | if (!ndlp) |
| 787 | return 0; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 788 | } |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 789 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 790 | if (lpfc_issue_els_fdisc(vport, ndlp, 0)) { |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 791 | /* decrement node reference count to trigger the release of |
| 792 | * the node. |
| 793 | */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 794 | lpfc_nlp_put(ndlp); |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 795 | return 0; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 796 | } |
| 797 | return 1; |
| 798 | } |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 799 | |
| 800 | void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 801 | lpfc_more_plogi(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 802 | { |
| 803 | int sentplogi; |
| 804 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 805 | if (vport->num_disc_nodes) |
| 806 | vport->num_disc_nodes--; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 807 | |
| 808 | /* Continue discovery with <num_disc_nodes> PLOGIs to go */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 809 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
| 810 | "0232 Continue discovery with %d PLOGIs to go " |
| 811 | "Data: x%x x%x x%x\n", |
| 812 | vport->num_disc_nodes, vport->fc_plogi_cnt, |
| 813 | vport->fc_flag, vport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 814 | /* Check to see if there are more PLOGIs to be sent */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 815 | if (vport->fc_flag & FC_NLP_MORE) |
| 816 | /* go thru NPR nodes and issue any remaining ELS PLOGIs */ |
| 817 | sentplogi = lpfc_els_disc_plogi(vport); |
| 818 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 819 | return; |
| 820 | } |
| 821 | |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 822 | static struct lpfc_nodelist * |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 823 | lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 824 | struct lpfc_nodelist *ndlp) |
| 825 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 826 | struct lpfc_vport *vport = ndlp->vport; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 827 | struct lpfc_nodelist *new_ndlp; |
James Smart | 0ff10d4 | 2008-01-11 01:52:36 -0500 | [diff] [blame] | 828 | struct lpfc_rport_data *rdata; |
| 829 | struct fc_rport *rport; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 830 | struct serv_parm *sp; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 831 | uint8_t name[sizeof(struct lpfc_name)]; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 832 | uint32_t rc; |
| 833 | |
James Smart | 2fb9bd8 | 2006-12-02 13:33:57 -0500 | [diff] [blame] | 834 | /* Fabric nodes can have the same WWPN so we don't bother searching |
| 835 | * by WWPN. Just return the ndlp that was given to us. |
| 836 | */ |
| 837 | if (ndlp->nlp_type & NLP_FABRIC) |
| 838 | return ndlp; |
| 839 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 840 | sp = (struct serv_parm *) ((uint8_t *) prsp + sizeof(uint32_t)); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 841 | memset(name, 0, sizeof(struct lpfc_name)); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 842 | |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 843 | /* Now we find out if the NPort we are logging into, matches the WWPN |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 844 | * we have for that ndlp. If not, we have some work to do. |
| 845 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 846 | new_ndlp = lpfc_findnode_wwpn(vport, &sp->portName); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 847 | |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 848 | if (new_ndlp == ndlp && NLP_CHK_NODE_ACT(new_ndlp)) |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 849 | return ndlp; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 850 | |
| 851 | if (!new_ndlp) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 852 | rc = memcmp(&ndlp->nlp_portname, name, |
| 853 | sizeof(struct lpfc_name)); |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 854 | if (!rc) |
| 855 | return ndlp; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 856 | new_ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC); |
| 857 | if (!new_ndlp) |
| 858 | return ndlp; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 859 | lpfc_nlp_init(vport, new_ndlp, ndlp->nlp_DID); |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 860 | } else if (!NLP_CHK_NODE_ACT(new_ndlp)) { |
| 861 | new_ndlp = lpfc_enable_node(vport, new_ndlp, |
| 862 | NLP_STE_UNUSED_NODE); |
| 863 | if (!new_ndlp) |
| 864 | return ndlp; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 865 | } |
| 866 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 867 | lpfc_unreg_rpi(vport, new_ndlp); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 868 | new_ndlp->nlp_DID = ndlp->nlp_DID; |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 869 | new_ndlp->nlp_prev_state = ndlp->nlp_prev_state; |
James Smart | 0ff10d4 | 2008-01-11 01:52:36 -0500 | [diff] [blame] | 870 | |
| 871 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) |
| 872 | new_ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
| 873 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
| 874 | |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 875 | /* Set state will put new_ndlp on to node list if not already done */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 876 | lpfc_nlp_set_state(vport, new_ndlp, ndlp->nlp_state); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 877 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 878 | /* Move this back to NPR state */ |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 879 | if (memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)) == 0) { |
| 880 | /* The new_ndlp is replacing ndlp totally, so we need |
| 881 | * to put ndlp on UNUSED list and try to free it. |
| 882 | */ |
James Smart | 0ff10d4 | 2008-01-11 01:52:36 -0500 | [diff] [blame] | 883 | |
| 884 | /* Fix up the rport accordingly */ |
| 885 | rport = ndlp->rport; |
| 886 | if (rport) { |
| 887 | rdata = rport->dd_data; |
| 888 | if (rdata->pnode == ndlp) { |
| 889 | lpfc_nlp_put(ndlp); |
| 890 | ndlp->rport = NULL; |
| 891 | rdata->pnode = lpfc_nlp_get(new_ndlp); |
| 892 | new_ndlp->rport = rport; |
| 893 | } |
| 894 | new_ndlp->nlp_type = ndlp->nlp_type; |
| 895 | } |
| 896 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 897 | lpfc_drop_node(vport, ndlp); |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 898 | } |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 899 | else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 900 | lpfc_unreg_rpi(vport, ndlp); |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 901 | ndlp->nlp_DID = 0; /* Two ndlps cannot have the same did */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 902 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 903 | } |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 904 | return new_ndlp; |
| 905 | } |
| 906 | |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 907 | void |
| 908 | lpfc_end_rscn(struct lpfc_vport *vport) |
| 909 | { |
| 910 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 911 | |
| 912 | if (vport->fc_flag & FC_RSCN_MODE) { |
| 913 | /* |
| 914 | * Check to see if more RSCNs came in while we were |
| 915 | * processing this one. |
| 916 | */ |
| 917 | if (vport->fc_rscn_id_cnt || |
| 918 | (vport->fc_flag & FC_RSCN_DISCOVERY) != 0) |
| 919 | lpfc_els_handle_rscn(vport); |
| 920 | else { |
| 921 | spin_lock_irq(shost->host_lock); |
| 922 | vport->fc_flag &= ~FC_RSCN_MODE; |
| 923 | spin_unlock_irq(shost->host_lock); |
| 924 | } |
| 925 | } |
| 926 | } |
| 927 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 928 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 929 | lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 930 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 931 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 932 | struct lpfc_vport *vport = cmdiocb->vport; |
| 933 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 934 | IOCB_t *irsp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 935 | struct lpfc_nodelist *ndlp; |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 936 | struct lpfc_dmabuf *prsp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 937 | int disc, rc, did, type; |
| 938 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 939 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
| 940 | cmdiocb->context_un.rsp_iocb = rspiocb; |
| 941 | |
| 942 | irsp = &rspiocb->iocb; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 943 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
| 944 | "PLOGI cmpl: status:x%x/x%x did:x%x", |
| 945 | irsp->ulpStatus, irsp->un.ulpWord[4], |
| 946 | irsp->un.elsreq64.remoteID); |
| 947 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 948 | ndlp = lpfc_findnode_did(vport, irsp->un.elsreq64.remoteID); |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 949 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 950 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
| 951 | "0136 PLOGI completes to NPort x%x " |
| 952 | "with no ndlp. Data: x%x x%x x%x\n", |
| 953 | irsp->un.elsreq64.remoteID, |
| 954 | irsp->ulpStatus, irsp->un.ulpWord[4], |
| 955 | irsp->ulpIoTag); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 956 | goto out; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 957 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 958 | |
| 959 | /* Since ndlp can be freed in the disc state machine, note if this node |
| 960 | * is being used during discovery. |
| 961 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 962 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 963 | disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 964 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 965 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 966 | rc = 0; |
| 967 | |
| 968 | /* PLOGI completes to NPort <nlp_DID> */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 969 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 970 | "0102 PLOGI completes to NPort x%x " |
| 971 | "Data: x%x x%x x%x x%x x%x\n", |
| 972 | ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], |
| 973 | irsp->ulpTimeout, disc, vport->num_disc_nodes); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 974 | /* Check to see if link went down during discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 975 | if (lpfc_els_chk_latt(vport)) { |
| 976 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 977 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 978 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 979 | goto out; |
| 980 | } |
| 981 | |
| 982 | /* ndlp could be freed in DSM, save these values now */ |
| 983 | type = ndlp->nlp_type; |
| 984 | did = ndlp->nlp_DID; |
| 985 | |
| 986 | if (irsp->ulpStatus) { |
| 987 | /* Check for retry */ |
| 988 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { |
| 989 | /* ELS command is being retried */ |
| 990 | if (disc) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 991 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 992 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 993 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 994 | } |
| 995 | goto out; |
| 996 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 997 | /* PLOGI failed */ |
| 998 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 999 | if (lpfc_error_lost_link(irsp)) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1000 | rc = NLP_STE_FREED_NODE; |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 1001 | else |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1002 | rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1003 | NLP_EVT_CMPL_PLOGI); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1004 | } else { |
| 1005 | /* Good status, call state machine */ |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 1006 | prsp = list_entry(((struct lpfc_dmabuf *) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1007 | cmdiocb->context2)->list.next, |
| 1008 | struct lpfc_dmabuf, list); |
| 1009 | ndlp = lpfc_plogi_confirm_nport(phba, prsp->virt, ndlp); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1010 | rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1011 | NLP_EVT_CMPL_PLOGI); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1012 | } |
| 1013 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1014 | if (disc && vport->num_disc_nodes) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1015 | /* Check to see if there are more PLOGIs to be sent */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1016 | lpfc_more_plogi(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1017 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1018 | if (vport->num_disc_nodes == 0) { |
| 1019 | spin_lock_irq(shost->host_lock); |
| 1020 | vport->fc_flag &= ~FC_NDISC_ACTIVE; |
| 1021 | spin_unlock_irq(shost->host_lock); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1022 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1023 | lpfc_can_disctmo(vport); |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 1024 | lpfc_end_rscn(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1025 | } |
| 1026 | } |
| 1027 | |
| 1028 | out: |
| 1029 | lpfc_els_free_iocb(phba, cmdiocb); |
| 1030 | return; |
| 1031 | } |
| 1032 | |
| 1033 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1034 | lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1035 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1036 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1037 | struct serv_parm *sp; |
| 1038 | IOCB_t *icmd; |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 1039 | struct lpfc_nodelist *ndlp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1040 | struct lpfc_iocbq *elsiocb; |
| 1041 | struct lpfc_sli_ring *pring; |
| 1042 | struct lpfc_sli *psli; |
| 1043 | uint8_t *pcmd; |
| 1044 | uint16_t cmdsize; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1045 | int ret; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1046 | |
| 1047 | psli = &phba->sli; |
| 1048 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 1049 | |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 1050 | ndlp = lpfc_findnode_did(vport, did); |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 1051 | if (ndlp && !NLP_CHK_NODE_ACT(ndlp)) |
| 1052 | ndlp = NULL; |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 1053 | |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 1054 | /* If ndlp is not NULL, we will bump the reference count on it */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1055 | cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm)); |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 1056 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, did, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1057 | ELS_CMD_PLOGI); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1058 | if (!elsiocb) |
| 1059 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1060 | |
| 1061 | icmd = &elsiocb->iocb; |
| 1062 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1063 | |
| 1064 | /* For PLOGI request, remainder of payload is service parameters */ |
| 1065 | *((uint32_t *) (pcmd)) = ELS_CMD_PLOGI; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1066 | pcmd += sizeof(uint32_t); |
| 1067 | memcpy(pcmd, &vport->fc_sparam, sizeof(struct serv_parm)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1068 | sp = (struct serv_parm *) pcmd; |
| 1069 | |
| 1070 | if (sp->cmn.fcphLow < FC_PH_4_3) |
| 1071 | sp->cmn.fcphLow = FC_PH_4_3; |
| 1072 | |
| 1073 | if (sp->cmn.fcphHigh < FC_PH3) |
| 1074 | sp->cmn.fcphHigh = FC_PH3; |
| 1075 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 1076 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
| 1077 | "Issue PLOGI: did:x%x", |
| 1078 | did, 0, 0); |
| 1079 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1080 | phba->fc_stat.elsXmitPLOGI++; |
| 1081 | elsiocb->iocb_cmpl = lpfc_cmpl_els_plogi; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1082 | ret = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| 1083 | |
| 1084 | if (ret == IOCB_ERROR) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1085 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1086 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1087 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1088 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1089 | } |
| 1090 | |
| 1091 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1092 | lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 1093 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1094 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1095 | struct lpfc_vport *vport = cmdiocb->vport; |
| 1096 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1097 | IOCB_t *irsp; |
| 1098 | struct lpfc_sli *psli; |
| 1099 | struct lpfc_nodelist *ndlp; |
| 1100 | |
| 1101 | psli = &phba->sli; |
| 1102 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
| 1103 | cmdiocb->context_un.rsp_iocb = rspiocb; |
| 1104 | |
| 1105 | irsp = &(rspiocb->iocb); |
| 1106 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1107 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1108 | ndlp->nlp_flag &= ~NLP_PRLI_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1109 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1110 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 1111 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
| 1112 | "PRLI cmpl: status:x%x/x%x did:x%x", |
| 1113 | irsp->ulpStatus, irsp->un.ulpWord[4], |
| 1114 | ndlp->nlp_DID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1115 | /* PRLI completes to NPort <nlp_DID> */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1116 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 1117 | "0103 PRLI completes to NPort x%x " |
| 1118 | "Data: x%x x%x x%x x%x\n", |
| 1119 | ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], |
| 1120 | irsp->ulpTimeout, vport->num_disc_nodes); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1121 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1122 | vport->fc_prli_sent--; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1123 | /* Check to see if link went down during discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1124 | if (lpfc_els_chk_latt(vport)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1125 | goto out; |
| 1126 | |
| 1127 | if (irsp->ulpStatus) { |
| 1128 | /* Check for retry */ |
| 1129 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { |
| 1130 | /* ELS command is being retried */ |
| 1131 | goto out; |
| 1132 | } |
| 1133 | /* PRLI failed */ |
| 1134 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 1135 | if (lpfc_error_lost_link(irsp)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1136 | goto out; |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 1137 | else |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1138 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1139 | NLP_EVT_CMPL_PRLI); |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 1140 | } else |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1141 | /* Good status, call state machine */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1142 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1143 | NLP_EVT_CMPL_PRLI); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1144 | out: |
| 1145 | lpfc_els_free_iocb(phba, cmdiocb); |
| 1146 | return; |
| 1147 | } |
| 1148 | |
| 1149 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1150 | lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1151 | uint8_t retry) |
| 1152 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1153 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 1154 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1155 | PRLI *npr; |
| 1156 | IOCB_t *icmd; |
| 1157 | struct lpfc_iocbq *elsiocb; |
| 1158 | struct lpfc_sli_ring *pring; |
| 1159 | struct lpfc_sli *psli; |
| 1160 | uint8_t *pcmd; |
| 1161 | uint16_t cmdsize; |
| 1162 | |
| 1163 | psli = &phba->sli; |
| 1164 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 1165 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1166 | cmdsize = (sizeof(uint32_t) + sizeof(PRLI)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1167 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
| 1168 | ndlp->nlp_DID, ELS_CMD_PRLI); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1169 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1170 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1171 | |
| 1172 | icmd = &elsiocb->iocb; |
| 1173 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1174 | |
| 1175 | /* For PRLI request, remainder of payload is service parameters */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1176 | memset(pcmd, 0, (sizeof(PRLI) + sizeof(uint32_t))); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1177 | *((uint32_t *) (pcmd)) = ELS_CMD_PRLI; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1178 | pcmd += sizeof(uint32_t); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1179 | |
| 1180 | /* For PRLI, remainder of payload is PRLI parameter page */ |
| 1181 | npr = (PRLI *) pcmd; |
| 1182 | /* |
| 1183 | * If our firmware version is 3.20 or later, |
| 1184 | * set the following bits for FC-TAPE support. |
| 1185 | */ |
| 1186 | if (phba->vpd.rev.feaLevelHigh >= 0x02) { |
| 1187 | npr->ConfmComplAllowed = 1; |
| 1188 | npr->Retry = 1; |
| 1189 | npr->TaskRetryIdReq = 1; |
| 1190 | } |
| 1191 | npr->estabImagePair = 1; |
| 1192 | npr->readXferRdyDis = 1; |
| 1193 | |
| 1194 | /* For FCP support */ |
| 1195 | npr->prliType = PRLI_FCP_TYPE; |
| 1196 | npr->initiatorFunc = 1; |
| 1197 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 1198 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
| 1199 | "Issue PRLI: did:x%x", |
| 1200 | ndlp->nlp_DID, 0, 0); |
| 1201 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1202 | phba->fc_stat.elsXmitPRLI++; |
| 1203 | elsiocb->iocb_cmpl = lpfc_cmpl_els_prli; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1204 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1205 | ndlp->nlp_flag |= NLP_PRLI_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1206 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1207 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1208 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1209 | ndlp->nlp_flag &= ~NLP_PRLI_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1210 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1211 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1212 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1213 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1214 | vport->fc_prli_sent++; |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1215 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1216 | } |
| 1217 | |
James Smart | 0ff10d4 | 2008-01-11 01:52:36 -0500 | [diff] [blame] | 1218 | void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1219 | lpfc_more_adisc(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1220 | { |
| 1221 | int sentadisc; |
| 1222 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1223 | if (vport->num_disc_nodes) |
| 1224 | vport->num_disc_nodes--; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1225 | /* Continue discovery with <num_disc_nodes> ADISCs to go */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1226 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
| 1227 | "0210 Continue discovery with %d ADISCs to go " |
| 1228 | "Data: x%x x%x x%x\n", |
| 1229 | vport->num_disc_nodes, vport->fc_adisc_cnt, |
| 1230 | vport->fc_flag, vport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1231 | /* Check to see if there are more ADISCs to be sent */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1232 | if (vport->fc_flag & FC_NLP_MORE) { |
| 1233 | lpfc_set_disctmo(vport); |
| 1234 | /* go thru NPR nodes and issue any remaining ELS ADISCs */ |
| 1235 | sentadisc = lpfc_els_disc_adisc(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1236 | } |
| 1237 | return; |
| 1238 | } |
| 1239 | |
| 1240 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1241 | lpfc_rscn_disc(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1242 | { |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 1243 | lpfc_can_disctmo(vport); |
| 1244 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1245 | /* RSCN discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1246 | /* go thru NPR nodes and issue ELS PLOGIs */ |
| 1247 | if (vport->fc_npr_cnt) |
| 1248 | if (lpfc_els_disc_plogi(vport)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1249 | return; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1250 | |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 1251 | lpfc_end_rscn(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1252 | } |
| 1253 | |
| 1254 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1255 | lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 1256 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1257 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1258 | struct lpfc_vport *vport = cmdiocb->vport; |
| 1259 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1260 | IOCB_t *irsp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1261 | struct lpfc_nodelist *ndlp; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1262 | int disc; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1263 | |
| 1264 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
| 1265 | cmdiocb->context_un.rsp_iocb = rspiocb; |
| 1266 | |
| 1267 | irsp = &(rspiocb->iocb); |
| 1268 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1269 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 1270 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
| 1271 | "ADISC cmpl: status:x%x/x%x did:x%x", |
| 1272 | irsp->ulpStatus, irsp->un.ulpWord[4], |
| 1273 | ndlp->nlp_DID); |
| 1274 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1275 | /* Since ndlp can be freed in the disc state machine, note if this node |
| 1276 | * is being used during discovery. |
| 1277 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1278 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1279 | disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1280 | ndlp->nlp_flag &= ~(NLP_ADISC_SND | NLP_NPR_2B_DISC); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1281 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1282 | /* ADISC completes to NPort <nlp_DID> */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1283 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 1284 | "0104 ADISC completes to NPort x%x " |
| 1285 | "Data: x%x x%x x%x x%x x%x\n", |
| 1286 | ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], |
| 1287 | irsp->ulpTimeout, disc, vport->num_disc_nodes); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1288 | /* Check to see if link went down during discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1289 | if (lpfc_els_chk_latt(vport)) { |
| 1290 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1291 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1292 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1293 | goto out; |
| 1294 | } |
| 1295 | |
| 1296 | if (irsp->ulpStatus) { |
| 1297 | /* Check for retry */ |
| 1298 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { |
| 1299 | /* ELS command is being retried */ |
| 1300 | if (disc) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1301 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1302 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1303 | spin_unlock_irq(shost->host_lock); |
| 1304 | lpfc_set_disctmo(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1305 | } |
| 1306 | goto out; |
| 1307 | } |
| 1308 | /* ADISC failed */ |
| 1309 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 1310 | if (!lpfc_error_lost_link(irsp)) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1311 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 1312 | NLP_EVT_CMPL_ADISC); |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 1313 | } else |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1314 | /* Good status, call state machine */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1315 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1316 | NLP_EVT_CMPL_ADISC); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1317 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1318 | if (disc && vport->num_disc_nodes) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1319 | /* Check to see if there are more ADISCs to be sent */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1320 | lpfc_more_adisc(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1321 | |
| 1322 | /* Check to see if we are done with ADISC authentication */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1323 | if (vport->num_disc_nodes == 0) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1324 | /* If we get here, there is nothing left to ADISC */ |
| 1325 | /* |
| 1326 | * For NPIV, cmpl_reg_vpi will set port_state to READY, |
| 1327 | * and continue discovery. |
| 1328 | */ |
| 1329 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
| 1330 | !(vport->fc_flag & FC_RSCN_MODE)) { |
| 1331 | lpfc_issue_reg_vpi(phba, vport); |
| 1332 | goto out; |
| 1333 | } |
| 1334 | /* |
| 1335 | * For SLI2, we need to set port_state to READY |
| 1336 | * and continue discovery. |
| 1337 | */ |
| 1338 | if (vport->port_state < LPFC_VPORT_READY) { |
| 1339 | /* If we get here, there is nothing to ADISC */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1340 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1341 | lpfc_issue_clear_la(phba, vport); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1342 | |
| 1343 | if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) { |
| 1344 | vport->num_disc_nodes = 0; |
| 1345 | /* go thru NPR list, issue ELS PLOGIs */ |
| 1346 | if (vport->fc_npr_cnt) |
| 1347 | lpfc_els_disc_plogi(vport); |
| 1348 | |
| 1349 | if (!vport->num_disc_nodes) { |
| 1350 | spin_lock_irq(shost->host_lock); |
| 1351 | vport->fc_flag &= |
| 1352 | ~FC_NDISC_ACTIVE; |
| 1353 | spin_unlock_irq( |
| 1354 | shost->host_lock); |
| 1355 | lpfc_can_disctmo(vport); |
| 1356 | } |
| 1357 | } |
| 1358 | vport->port_state = LPFC_VPORT_READY; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1359 | } else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1360 | lpfc_rscn_disc(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1361 | } |
| 1362 | } |
| 1363 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1364 | out: |
| 1365 | lpfc_els_free_iocb(phba, cmdiocb); |
| 1366 | return; |
| 1367 | } |
| 1368 | |
| 1369 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1370 | lpfc_issue_els_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1371 | uint8_t retry) |
| 1372 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1373 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 1374 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1375 | ADISC *ap; |
| 1376 | IOCB_t *icmd; |
| 1377 | struct lpfc_iocbq *elsiocb; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1378 | struct lpfc_sli *psli = &phba->sli; |
| 1379 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1380 | uint8_t *pcmd; |
| 1381 | uint16_t cmdsize; |
| 1382 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1383 | cmdsize = (sizeof(uint32_t) + sizeof(ADISC)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1384 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
| 1385 | ndlp->nlp_DID, ELS_CMD_ADISC); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1386 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1387 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1388 | |
| 1389 | icmd = &elsiocb->iocb; |
| 1390 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1391 | |
| 1392 | /* For ADISC request, remainder of payload is service parameters */ |
| 1393 | *((uint32_t *) (pcmd)) = ELS_CMD_ADISC; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1394 | pcmd += sizeof(uint32_t); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1395 | |
| 1396 | /* Fill in ADISC payload */ |
| 1397 | ap = (ADISC *) pcmd; |
| 1398 | ap->hardAL_PA = phba->fc_pref_ALPA; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1399 | memcpy(&ap->portName, &vport->fc_portname, sizeof(struct lpfc_name)); |
| 1400 | memcpy(&ap->nodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1401 | ap->DID = be32_to_cpu(vport->fc_myDID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1402 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 1403 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
| 1404 | "Issue ADISC: did:x%x", |
| 1405 | ndlp->nlp_DID, 0, 0); |
| 1406 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1407 | phba->fc_stat.elsXmitADISC++; |
| 1408 | elsiocb->iocb_cmpl = lpfc_cmpl_els_adisc; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1409 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1410 | ndlp->nlp_flag |= NLP_ADISC_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1411 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1412 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1413 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1414 | ndlp->nlp_flag &= ~NLP_ADISC_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1415 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1416 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1417 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1418 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1419 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1420 | } |
| 1421 | |
| 1422 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1423 | lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 1424 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1425 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1426 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| 1427 | struct lpfc_vport *vport = ndlp->vport; |
| 1428 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1429 | IOCB_t *irsp; |
| 1430 | struct lpfc_sli *psli; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1431 | |
| 1432 | psli = &phba->sli; |
| 1433 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
| 1434 | cmdiocb->context_un.rsp_iocb = rspiocb; |
| 1435 | |
| 1436 | irsp = &(rspiocb->iocb); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1437 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1438 | ndlp->nlp_flag &= ~NLP_LOGO_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1439 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1440 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 1441 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
| 1442 | "LOGO cmpl: status:x%x/x%x did:x%x", |
| 1443 | irsp->ulpStatus, irsp->un.ulpWord[4], |
| 1444 | ndlp->nlp_DID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1445 | /* LOGO completes to NPort <nlp_DID> */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1446 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 1447 | "0105 LOGO completes to NPort x%x " |
| 1448 | "Data: x%x x%x x%x x%x\n", |
| 1449 | ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], |
| 1450 | irsp->ulpTimeout, vport->num_disc_nodes); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1451 | /* Check to see if link went down during discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1452 | if (lpfc_els_chk_latt(vport)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1453 | goto out; |
| 1454 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1455 | if (ndlp->nlp_flag & NLP_TARGET_REMOVE) { |
| 1456 | /* NLP_EVT_DEVICE_RM should unregister the RPI |
| 1457 | * which should abort all outstanding IOs. |
| 1458 | */ |
| 1459 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
| 1460 | NLP_EVT_DEVICE_RM); |
| 1461 | goto out; |
| 1462 | } |
| 1463 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1464 | if (irsp->ulpStatus) { |
| 1465 | /* Check for retry */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1466 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1467 | /* ELS command is being retried */ |
| 1468 | goto out; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1469 | /* LOGO failed */ |
| 1470 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 1471 | if (lpfc_error_lost_link(irsp)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1472 | goto out; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 1473 | else |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1474 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1475 | NLP_EVT_CMPL_LOGO); |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 1476 | } else |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1477 | /* Good status, call state machine. |
| 1478 | * This will unregister the rpi if needed. |
| 1479 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1480 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1481 | NLP_EVT_CMPL_LOGO); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1482 | out: |
| 1483 | lpfc_els_free_iocb(phba, cmdiocb); |
| 1484 | return; |
| 1485 | } |
| 1486 | |
| 1487 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1488 | lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1489 | uint8_t retry) |
| 1490 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1491 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 1492 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1493 | IOCB_t *icmd; |
| 1494 | struct lpfc_iocbq *elsiocb; |
| 1495 | struct lpfc_sli_ring *pring; |
| 1496 | struct lpfc_sli *psli; |
| 1497 | uint8_t *pcmd; |
| 1498 | uint16_t cmdsize; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1499 | int rc; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1500 | |
| 1501 | psli = &phba->sli; |
| 1502 | pring = &psli->ring[LPFC_ELS_RING]; |
| 1503 | |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 1504 | spin_lock_irq(shost->host_lock); |
| 1505 | if (ndlp->nlp_flag & NLP_LOGO_SND) { |
| 1506 | spin_unlock_irq(shost->host_lock); |
| 1507 | return 0; |
| 1508 | } |
| 1509 | spin_unlock_irq(shost->host_lock); |
| 1510 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1511 | cmdsize = (2 * sizeof(uint32_t)) + sizeof(struct lpfc_name); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1512 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
| 1513 | ndlp->nlp_DID, ELS_CMD_LOGO); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1514 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1515 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1516 | |
| 1517 | icmd = &elsiocb->iocb; |
| 1518 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1519 | *((uint32_t *) (pcmd)) = ELS_CMD_LOGO; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1520 | pcmd += sizeof(uint32_t); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1521 | |
| 1522 | /* Fill in LOGO payload */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1523 | *((uint32_t *) (pcmd)) = be32_to_cpu(vport->fc_myDID); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1524 | pcmd += sizeof(uint32_t); |
| 1525 | memcpy(pcmd, &vport->fc_portname, sizeof(struct lpfc_name)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1526 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 1527 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
| 1528 | "Issue LOGO: did:x%x", |
| 1529 | ndlp->nlp_DID, 0, 0); |
| 1530 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1531 | phba->fc_stat.elsXmitLOGO++; |
| 1532 | elsiocb->iocb_cmpl = lpfc_cmpl_els_logo; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1533 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1534 | ndlp->nlp_flag |= NLP_LOGO_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1535 | spin_unlock_irq(shost->host_lock); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1536 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| 1537 | |
| 1538 | if (rc == IOCB_ERROR) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1539 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1540 | ndlp->nlp_flag &= ~NLP_LOGO_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1541 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1542 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1543 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1544 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1545 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1546 | } |
| 1547 | |
| 1548 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1549 | lpfc_cmpl_els_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 1550 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1551 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1552 | struct lpfc_vport *vport = cmdiocb->vport; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1553 | IOCB_t *irsp; |
| 1554 | |
| 1555 | irsp = &rspiocb->iocb; |
| 1556 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 1557 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
| 1558 | "ELS cmd cmpl: status:x%x/x%x did:x%x", |
| 1559 | irsp->ulpStatus, irsp->un.ulpWord[4], |
| 1560 | irsp->un.elsreq64.remoteID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1561 | /* ELS cmd tag <ulpIoTag> completes */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1562 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 1563 | "0106 ELS cmd tag x%x completes Data: x%x x%x x%x\n", |
| 1564 | irsp->ulpIoTag, irsp->ulpStatus, |
| 1565 | irsp->un.ulpWord[4], irsp->ulpTimeout); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1566 | /* Check to see if link went down during discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1567 | lpfc_els_chk_latt(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1568 | lpfc_els_free_iocb(phba, cmdiocb); |
| 1569 | return; |
| 1570 | } |
| 1571 | |
| 1572 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1573 | lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1574 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1575 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1576 | IOCB_t *icmd; |
| 1577 | struct lpfc_iocbq *elsiocb; |
| 1578 | struct lpfc_sli_ring *pring; |
| 1579 | struct lpfc_sli *psli; |
| 1580 | uint8_t *pcmd; |
| 1581 | uint16_t cmdsize; |
| 1582 | struct lpfc_nodelist *ndlp; |
| 1583 | |
| 1584 | psli = &phba->sli; |
| 1585 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1586 | cmdsize = (sizeof(uint32_t) + sizeof(SCR)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1587 | |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 1588 | ndlp = lpfc_findnode_did(vport, nportid); |
| 1589 | if (!ndlp) { |
| 1590 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
| 1591 | if (!ndlp) |
| 1592 | return 1; |
| 1593 | lpfc_nlp_init(vport, ndlp, nportid); |
| 1594 | lpfc_enqueue_node(vport, ndlp); |
| 1595 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { |
| 1596 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); |
| 1597 | if (!ndlp) |
| 1598 | return 1; |
| 1599 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1600 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1601 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
| 1602 | ndlp->nlp_DID, ELS_CMD_SCR); |
| 1603 | |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1604 | if (!elsiocb) { |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 1605 | /* This will trigger the release of the node just |
| 1606 | * allocated |
| 1607 | */ |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1608 | lpfc_nlp_put(ndlp); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1609 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1610 | } |
| 1611 | |
| 1612 | icmd = &elsiocb->iocb; |
| 1613 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1614 | |
| 1615 | *((uint32_t *) (pcmd)) = ELS_CMD_SCR; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1616 | pcmd += sizeof(uint32_t); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1617 | |
| 1618 | /* For SCR, remainder of payload is SCR parameter page */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1619 | memset(pcmd, 0, sizeof(SCR)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1620 | ((SCR *) pcmd)->Function = SCR_FUNC_FULL; |
| 1621 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 1622 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
| 1623 | "Issue SCR: did:x%x", |
| 1624 | ndlp->nlp_DID, 0, 0); |
| 1625 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1626 | phba->fc_stat.elsXmitSCR++; |
| 1627 | elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1628 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 1629 | /* The additional lpfc_nlp_put will cause the following |
| 1630 | * lpfc_els_free_iocb routine to trigger the rlease of |
| 1631 | * the node. |
| 1632 | */ |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1633 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1634 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1635 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1636 | } |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 1637 | /* This will cause the callback-function lpfc_cmpl_els_cmd to |
| 1638 | * trigger the release of node. |
| 1639 | */ |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1640 | lpfc_nlp_put(ndlp); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1641 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1642 | } |
| 1643 | |
| 1644 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1645 | lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1646 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1647 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1648 | IOCB_t *icmd; |
| 1649 | struct lpfc_iocbq *elsiocb; |
| 1650 | struct lpfc_sli_ring *pring; |
| 1651 | struct lpfc_sli *psli; |
| 1652 | FARP *fp; |
| 1653 | uint8_t *pcmd; |
| 1654 | uint32_t *lp; |
| 1655 | uint16_t cmdsize; |
| 1656 | struct lpfc_nodelist *ondlp; |
| 1657 | struct lpfc_nodelist *ndlp; |
| 1658 | |
| 1659 | psli = &phba->sli; |
| 1660 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1661 | cmdsize = (sizeof(uint32_t) + sizeof(FARP)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1662 | |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 1663 | ndlp = lpfc_findnode_did(vport, nportid); |
| 1664 | if (!ndlp) { |
| 1665 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
| 1666 | if (!ndlp) |
| 1667 | return 1; |
| 1668 | lpfc_nlp_init(vport, ndlp, nportid); |
| 1669 | lpfc_enqueue_node(vport, ndlp); |
| 1670 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { |
| 1671 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); |
| 1672 | if (!ndlp) |
| 1673 | return 1; |
| 1674 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1675 | |
| 1676 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
| 1677 | ndlp->nlp_DID, ELS_CMD_RNID); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1678 | if (!elsiocb) { |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 1679 | /* This will trigger the release of the node just |
| 1680 | * allocated |
| 1681 | */ |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1682 | lpfc_nlp_put(ndlp); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1683 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1684 | } |
| 1685 | |
| 1686 | icmd = &elsiocb->iocb; |
| 1687 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1688 | |
| 1689 | *((uint32_t *) (pcmd)) = ELS_CMD_FARPR; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1690 | pcmd += sizeof(uint32_t); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1691 | |
| 1692 | /* Fill in FARPR payload */ |
| 1693 | fp = (FARP *) (pcmd); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1694 | memset(fp, 0, sizeof(FARP)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1695 | lp = (uint32_t *) pcmd; |
| 1696 | *lp++ = be32_to_cpu(nportid); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1697 | *lp++ = be32_to_cpu(vport->fc_myDID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1698 | fp->Rflags = 0; |
| 1699 | fp->Mflags = (FARP_MATCH_PORT | FARP_MATCH_NODE); |
| 1700 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1701 | memcpy(&fp->RportName, &vport->fc_portname, sizeof(struct lpfc_name)); |
| 1702 | memcpy(&fp->RnodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1703 | ondlp = lpfc_findnode_did(vport, nportid); |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 1704 | if (ondlp && NLP_CHK_NODE_ACT(ondlp)) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1705 | memcpy(&fp->OportName, &ondlp->nlp_portname, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1706 | sizeof(struct lpfc_name)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1707 | memcpy(&fp->OnodeName, &ondlp->nlp_nodename, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1708 | sizeof(struct lpfc_name)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1709 | } |
| 1710 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 1711 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
| 1712 | "Issue FARPR: did:x%x", |
| 1713 | ndlp->nlp_DID, 0, 0); |
| 1714 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1715 | phba->fc_stat.elsXmitFARPR++; |
| 1716 | elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1717 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 1718 | /* The additional lpfc_nlp_put will cause the following |
| 1719 | * lpfc_els_free_iocb routine to trigger the release of |
| 1720 | * the node. |
| 1721 | */ |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1722 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1723 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1724 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1725 | } |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 1726 | /* This will cause the callback-function lpfc_cmpl_els_cmd to |
| 1727 | * trigger the release of the node. |
| 1728 | */ |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1729 | lpfc_nlp_put(ndlp); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1730 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1731 | } |
| 1732 | |
| 1733 | void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1734 | lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp) |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1735 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1736 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 1737 | struct lpfc_work_evt *evtp; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1738 | |
| 1739 | spin_lock_irq(shost->host_lock); |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1740 | nlp->nlp_flag &= ~NLP_DELAY_TMO; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1741 | spin_unlock_irq(shost->host_lock); |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1742 | del_timer_sync(&nlp->nlp_delayfunc); |
| 1743 | nlp->nlp_last_elscmd = 0; |
| 1744 | |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 1745 | if (!list_empty(&nlp->els_retry_evt.evt_listp)) { |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1746 | list_del_init(&nlp->els_retry_evt.evt_listp); |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 1747 | /* Decrement nlp reference count held for the delayed retry */ |
| 1748 | evtp = &nlp->els_retry_evt; |
| 1749 | lpfc_nlp_put((struct lpfc_nodelist *)evtp->evt_arg1); |
| 1750 | } |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1751 | |
| 1752 | if (nlp->nlp_flag & NLP_NPR_2B_DISC) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1753 | spin_lock_irq(shost->host_lock); |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1754 | nlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1755 | spin_unlock_irq(shost->host_lock); |
| 1756 | if (vport->num_disc_nodes) { |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1757 | /* Check to see if there are more |
| 1758 | * PLOGIs to be sent |
| 1759 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1760 | lpfc_more_plogi(vport); |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1761 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1762 | if (vport->num_disc_nodes == 0) { |
| 1763 | spin_lock_irq(shost->host_lock); |
| 1764 | vport->fc_flag &= ~FC_NDISC_ACTIVE; |
| 1765 | spin_unlock_irq(shost->host_lock); |
| 1766 | lpfc_can_disctmo(vport); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1767 | lpfc_end_rscn(vport); |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1768 | } |
| 1769 | } |
| 1770 | } |
| 1771 | return; |
| 1772 | } |
| 1773 | |
| 1774 | void |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1775 | lpfc_els_retry_delay(unsigned long ptr) |
| 1776 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1777 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) ptr; |
| 1778 | struct lpfc_vport *vport = ndlp->vport; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1779 | struct lpfc_hba *phba = vport->phba; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1780 | unsigned long flags; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1781 | struct lpfc_work_evt *evtp = &ndlp->els_retry_evt; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1782 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1783 | ndlp = (struct lpfc_nodelist *) ptr; |
| 1784 | phba = ndlp->vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1785 | evtp = &ndlp->els_retry_evt; |
| 1786 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1787 | spin_lock_irqsave(&phba->hbalock, flags); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1788 | if (!list_empty(&evtp->evt_listp)) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1789 | spin_unlock_irqrestore(&phba->hbalock, flags); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1790 | return; |
| 1791 | } |
| 1792 | |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 1793 | /* We need to hold the node by incrementing the reference |
| 1794 | * count until the queued work is done |
| 1795 | */ |
| 1796 | evtp->evt_arg1 = lpfc_nlp_get(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1797 | evtp->evt = LPFC_EVT_ELS_RETRY; |
| 1798 | list_add_tail(&evtp->evt_listp, &phba->work_list); |
| 1799 | if (phba->work_wait) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1800 | lpfc_worker_wake_up(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1801 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1802 | spin_unlock_irqrestore(&phba->hbalock, flags); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1803 | return; |
| 1804 | } |
| 1805 | |
| 1806 | void |
| 1807 | lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp) |
| 1808 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1809 | struct lpfc_vport *vport = ndlp->vport; |
| 1810 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 1811 | uint32_t cmd, did, retry; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1812 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1813 | spin_lock_irq(shost->host_lock); |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1814 | did = ndlp->nlp_DID; |
| 1815 | cmd = ndlp->nlp_last_elscmd; |
| 1816 | ndlp->nlp_last_elscmd = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1817 | |
| 1818 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1819 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1820 | return; |
| 1821 | } |
| 1822 | |
| 1823 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1824 | spin_unlock_irq(shost->host_lock); |
James Smart | 1a16968 | 2006-03-07 15:04:06 -0500 | [diff] [blame] | 1825 | /* |
| 1826 | * If a discovery event readded nlp_delayfunc after timer |
| 1827 | * firing and before processing the timer, cancel the |
| 1828 | * nlp_delayfunc. |
| 1829 | */ |
| 1830 | del_timer_sync(&ndlp->nlp_delayfunc); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1831 | retry = ndlp->nlp_retry; |
| 1832 | |
| 1833 | switch (cmd) { |
| 1834 | case ELS_CMD_FLOGI: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1835 | lpfc_issue_els_flogi(vport, ndlp, retry); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1836 | break; |
| 1837 | case ELS_CMD_PLOGI: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1838 | if (!lpfc_issue_els_plogi(vport, ndlp->nlp_DID, retry)) { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1839 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1840 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
Jamie Wellnitz | 6ad4253 | 2006-02-28 19:25:16 -0500 | [diff] [blame] | 1841 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1842 | break; |
| 1843 | case ELS_CMD_ADISC: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1844 | if (!lpfc_issue_els_adisc(vport, ndlp, retry)) { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1845 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1846 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
Jamie Wellnitz | 6ad4253 | 2006-02-28 19:25:16 -0500 | [diff] [blame] | 1847 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1848 | break; |
| 1849 | case ELS_CMD_PRLI: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1850 | if (!lpfc_issue_els_prli(vport, ndlp, retry)) { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1851 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1852 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
Jamie Wellnitz | 6ad4253 | 2006-02-28 19:25:16 -0500 | [diff] [blame] | 1853 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1854 | break; |
| 1855 | case ELS_CMD_LOGO: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1856 | if (!lpfc_issue_els_logo(vport, ndlp, retry)) { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1857 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1858 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
Jamie Wellnitz | 6ad4253 | 2006-02-28 19:25:16 -0500 | [diff] [blame] | 1859 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1860 | break; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1861 | case ELS_CMD_FDISC: |
| 1862 | lpfc_issue_els_fdisc(vport, ndlp, retry); |
| 1863 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1864 | } |
| 1865 | return; |
| 1866 | } |
| 1867 | |
| 1868 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1869 | lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 1870 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1871 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1872 | struct lpfc_vport *vport = cmdiocb->vport; |
| 1873 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 1874 | IOCB_t *irsp = &rspiocb->iocb; |
| 1875 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| 1876 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1877 | uint32_t *elscmd; |
| 1878 | struct ls_rjt stat; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1879 | int retry = 0, maxretry = lpfc_max_els_tries, delay = 0; |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 1880 | int logerr = 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1881 | uint32_t cmd = 0; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1882 | uint32_t did; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1883 | |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1884 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1885 | /* Note: context2 may be 0 for internal driver abort |
| 1886 | * of delays ELS command. |
| 1887 | */ |
| 1888 | |
| 1889 | if (pcmd && pcmd->virt) { |
| 1890 | elscmd = (uint32_t *) (pcmd->virt); |
| 1891 | cmd = *elscmd++; |
| 1892 | } |
| 1893 | |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 1894 | if (ndlp && NLP_CHK_NODE_ACT(ndlp)) |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1895 | did = ndlp->nlp_DID; |
| 1896 | else { |
| 1897 | /* We should only hit this case for retrying PLOGI */ |
| 1898 | did = irsp->un.elsreq64.remoteID; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1899 | ndlp = lpfc_findnode_did(vport, did); |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 1900 | if ((!ndlp || !NLP_CHK_NODE_ACT(ndlp)) |
| 1901 | && (cmd != ELS_CMD_PLOGI)) |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1902 | return 1; |
| 1903 | } |
| 1904 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 1905 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
| 1906 | "Retry ELS: wd7:x%x wd4:x%x did:x%x", |
| 1907 | *(((uint32_t *) irsp) + 7), irsp->un.ulpWord[4], ndlp->nlp_DID); |
| 1908 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1909 | switch (irsp->ulpStatus) { |
| 1910 | case IOSTAT_FCP_RSP_ERROR: |
| 1911 | case IOSTAT_REMOTE_STOP: |
| 1912 | break; |
| 1913 | |
| 1914 | case IOSTAT_LOCAL_REJECT: |
| 1915 | switch ((irsp->un.ulpWord[4] & 0xff)) { |
| 1916 | case IOERR_LOOP_OPEN_FAILURE: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1917 | if (cmd == ELS_CMD_PLOGI && cmdiocb->retry == 0) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1918 | delay = 1000; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1919 | retry = 1; |
| 1920 | break; |
| 1921 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1922 | case IOERR_ILLEGAL_COMMAND: |
| 1923 | if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) && |
| 1924 | (cmd == ELS_CMD_FDISC)) { |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1925 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
| 1926 | "0124 FDISC failed (3/6) " |
| 1927 | "retrying...\n"); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1928 | lpfc_mbx_unreg_vpi(vport); |
| 1929 | retry = 1; |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 1930 | /* FDISC retry policy */ |
| 1931 | maxretry = 48; |
| 1932 | if (cmdiocb->retry >= 32) |
| 1933 | delay = 1000; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1934 | } |
| 1935 | break; |
| 1936 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1937 | case IOERR_NO_RESOURCES: |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 1938 | logerr = 1; /* HBA out of resources */ |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 1939 | retry = 1; |
| 1940 | if (cmdiocb->retry > 100) |
| 1941 | delay = 100; |
| 1942 | maxretry = 250; |
| 1943 | break; |
| 1944 | |
| 1945 | case IOERR_ILLEGAL_FRAME: |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1946 | delay = 100; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1947 | retry = 1; |
| 1948 | break; |
| 1949 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 1950 | case IOERR_SEQUENCE_TIMEOUT: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1951 | case IOERR_INVALID_RPI: |
| 1952 | retry = 1; |
| 1953 | break; |
| 1954 | } |
| 1955 | break; |
| 1956 | |
| 1957 | case IOSTAT_NPORT_RJT: |
| 1958 | case IOSTAT_FABRIC_RJT: |
| 1959 | if (irsp->un.ulpWord[4] & RJT_UNAVAIL_TEMP) { |
| 1960 | retry = 1; |
| 1961 | break; |
| 1962 | } |
| 1963 | break; |
| 1964 | |
| 1965 | case IOSTAT_NPORT_BSY: |
| 1966 | case IOSTAT_FABRIC_BSY: |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 1967 | logerr = 1; /* Fabric / Remote NPort out of resources */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1968 | retry = 1; |
| 1969 | break; |
| 1970 | |
| 1971 | case IOSTAT_LS_RJT: |
| 1972 | stat.un.lsRjtError = be32_to_cpu(irsp->un.ulpWord[4]); |
| 1973 | /* Added for Vendor specifc support |
| 1974 | * Just keep retrying for these Rsn / Exp codes |
| 1975 | */ |
| 1976 | switch (stat.un.b.lsRjtRsnCode) { |
| 1977 | case LSRJT_UNABLE_TPC: |
| 1978 | if (stat.un.b.lsRjtRsnCodeExp == |
| 1979 | LSEXP_CMD_IN_PROGRESS) { |
| 1980 | if (cmd == ELS_CMD_PLOGI) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1981 | delay = 1000; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1982 | maxretry = 48; |
| 1983 | } |
| 1984 | retry = 1; |
| 1985 | break; |
| 1986 | } |
| 1987 | if (cmd == ELS_CMD_PLOGI) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1988 | delay = 1000; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1989 | maxretry = lpfc_max_els_tries + 1; |
| 1990 | retry = 1; |
| 1991 | break; |
| 1992 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1993 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
| 1994 | (cmd == ELS_CMD_FDISC) && |
| 1995 | (stat.un.b.lsRjtRsnCodeExp == LSEXP_OUT_OF_RESOURCE)){ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1996 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
| 1997 | "0125 FDISC Failed (x%x). " |
| 1998 | "Fabric out of resources\n", |
| 1999 | stat.un.lsRjtError); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2000 | lpfc_vport_set_state(vport, |
| 2001 | FC_VPORT_NO_FABRIC_RSCS); |
| 2002 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2003 | break; |
| 2004 | |
| 2005 | case LSRJT_LOGICAL_BSY: |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2006 | if ((cmd == ELS_CMD_PLOGI) || |
| 2007 | (cmd == ELS_CMD_PRLI)) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2008 | delay = 1000; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2009 | maxretry = 48; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2010 | } else if (cmd == ELS_CMD_FDISC) { |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 2011 | /* FDISC retry policy */ |
| 2012 | maxretry = 48; |
| 2013 | if (cmdiocb->retry >= 32) |
| 2014 | delay = 1000; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2015 | } |
| 2016 | retry = 1; |
| 2017 | break; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2018 | |
| 2019 | case LSRJT_LOGICAL_ERR: |
| 2020 | case LSRJT_PROTOCOL_ERR: |
| 2021 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
| 2022 | (cmd == ELS_CMD_FDISC) && |
| 2023 | ((stat.un.b.lsRjtRsnCodeExp == LSEXP_INVALID_PNAME) || |
| 2024 | (stat.un.b.lsRjtRsnCodeExp == LSEXP_INVALID_NPORT_ID)) |
| 2025 | ) { |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2026 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
| 2027 | "0123 FDISC Failed (x%x). " |
| 2028 | "Fabric Detected Bad WWN\n", |
| 2029 | stat.un.lsRjtError); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2030 | lpfc_vport_set_state(vport, |
| 2031 | FC_VPORT_FABRIC_REJ_WWN); |
| 2032 | } |
| 2033 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2034 | } |
| 2035 | break; |
| 2036 | |
| 2037 | case IOSTAT_INTERMED_RSP: |
| 2038 | case IOSTAT_BA_RJT: |
| 2039 | break; |
| 2040 | |
| 2041 | default: |
| 2042 | break; |
| 2043 | } |
| 2044 | |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 2045 | if (did == FDMI_DID) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2046 | retry = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2047 | |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 2048 | if ((cmd == ELS_CMD_FLOGI) && |
James Smart | 1b32f6a | 2008-02-08 18:49:39 -0500 | [diff] [blame^] | 2049 | (phba->fc_topology != TOPOLOGY_LOOP) && |
| 2050 | !lpfc_error_lost_link(irsp)) { |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 2051 | /* FLOGI retry policy */ |
| 2052 | retry = 1; |
| 2053 | maxretry = 48; |
| 2054 | if (cmdiocb->retry >= 32) |
| 2055 | delay = 1000; |
| 2056 | } |
| 2057 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2058 | if ((++cmdiocb->retry) >= maxretry) { |
| 2059 | phba->fc_stat.elsRetryExceeded++; |
| 2060 | retry = 0; |
| 2061 | } |
| 2062 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2063 | if ((vport->load_flag & FC_UNLOADING) != 0) |
| 2064 | retry = 0; |
| 2065 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2066 | if (retry) { |
| 2067 | |
| 2068 | /* Retry ELS command <elsCmd> to remote NPORT <did> */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2069 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 2070 | "0107 Retry ELS command x%x to remote " |
| 2071 | "NPORT x%x Data: x%x x%x\n", |
| 2072 | cmd, did, cmdiocb->retry, delay); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2073 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2074 | if (((cmd == ELS_CMD_PLOGI) || (cmd == ELS_CMD_ADISC)) && |
| 2075 | ((irsp->ulpStatus != IOSTAT_LOCAL_REJECT) || |
| 2076 | ((irsp->un.ulpWord[4] & 0xff) != IOERR_NO_RESOURCES))) { |
| 2077 | /* Don't reset timer for no resources */ |
| 2078 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2079 | /* If discovery / RSCN timer is running, reset it */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2080 | if (timer_pending(&vport->fc_disctmo) || |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2081 | (vport->fc_flag & FC_RSCN_MODE)) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2082 | lpfc_set_disctmo(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2083 | } |
| 2084 | |
| 2085 | phba->fc_stat.elsXmitRetry++; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 2086 | if (ndlp && delay) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2087 | phba->fc_stat.elsDelayRetry++; |
| 2088 | ndlp->nlp_retry = cmdiocb->retry; |
| 2089 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2090 | /* delay is specified in milliseconds */ |
| 2091 | mod_timer(&ndlp->nlp_delayfunc, |
| 2092 | jiffies + msecs_to_jiffies(delay)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2093 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2094 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2095 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2096 | |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 2097 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2098 | if (cmd == ELS_CMD_PRLI) |
| 2099 | lpfc_nlp_set_state(vport, ndlp, |
| 2100 | NLP_STE_REG_LOGIN_ISSUE); |
| 2101 | else |
| 2102 | lpfc_nlp_set_state(vport, ndlp, |
| 2103 | NLP_STE_NPR_NODE); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2104 | ndlp->nlp_last_elscmd = cmd; |
| 2105 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2106 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2107 | } |
| 2108 | switch (cmd) { |
| 2109 | case ELS_CMD_FLOGI: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2110 | lpfc_issue_els_flogi(vport, ndlp, cmdiocb->retry); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2111 | return 1; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2112 | case ELS_CMD_FDISC: |
| 2113 | lpfc_issue_els_fdisc(vport, ndlp, cmdiocb->retry); |
| 2114 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2115 | case ELS_CMD_PLOGI: |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 2116 | if (ndlp) { |
| 2117 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2118 | lpfc_nlp_set_state(vport, ndlp, |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 2119 | NLP_STE_PLOGI_ISSUE); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 2120 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2121 | lpfc_issue_els_plogi(vport, did, cmdiocb->retry); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2122 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2123 | case ELS_CMD_ADISC: |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 2124 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2125 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
| 2126 | lpfc_issue_els_adisc(vport, ndlp, cmdiocb->retry); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2127 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2128 | case ELS_CMD_PRLI: |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 2129 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2130 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
| 2131 | lpfc_issue_els_prli(vport, ndlp, cmdiocb->retry); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2132 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2133 | case ELS_CMD_LOGO: |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 2134 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2135 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
| 2136 | lpfc_issue_els_logo(vport, ndlp, cmdiocb->retry); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2137 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2138 | } |
| 2139 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2140 | /* No retry ELS command <elsCmd> to remote NPORT <did> */ |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 2141 | if (logerr) { |
| 2142 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
| 2143 | "0137 No retry ELS command x%x to remote " |
| 2144 | "NPORT x%x: Out of Resources: Error:x%x/%x\n", |
| 2145 | cmd, did, irsp->ulpStatus, |
| 2146 | irsp->un.ulpWord[4]); |
| 2147 | } |
| 2148 | else { |
| 2149 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 2150 | "0108 No retry ELS command x%x to remote " |
| 2151 | "NPORT x%x Retried:%d Error:x%x/%x\n", |
| 2152 | cmd, did, cmdiocb->retry, irsp->ulpStatus, |
| 2153 | irsp->un.ulpWord[4]); |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 2154 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2155 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2156 | } |
| 2157 | |
James Smart | 0937282 | 2008-01-11 01:52:54 -0500 | [diff] [blame] | 2158 | static int |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 2159 | lpfc_els_free_data(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr1) |
| 2160 | { |
| 2161 | struct lpfc_dmabuf *buf_ptr; |
| 2162 | |
| 2163 | /* Free the response before processing the command. */ |
| 2164 | if (!list_empty(&buf_ptr1->list)) { |
| 2165 | list_remove_head(&buf_ptr1->list, buf_ptr, |
| 2166 | struct lpfc_dmabuf, |
| 2167 | list); |
| 2168 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); |
| 2169 | kfree(buf_ptr); |
| 2170 | } |
| 2171 | lpfc_mbuf_free(phba, buf_ptr1->virt, buf_ptr1->phys); |
| 2172 | kfree(buf_ptr1); |
| 2173 | return 0; |
| 2174 | } |
| 2175 | |
James Smart | 0937282 | 2008-01-11 01:52:54 -0500 | [diff] [blame] | 2176 | static int |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 2177 | lpfc_els_free_bpl(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr) |
| 2178 | { |
| 2179 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); |
| 2180 | kfree(buf_ptr); |
| 2181 | return 0; |
| 2182 | } |
| 2183 | |
| 2184 | int |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2185 | lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2186 | { |
| 2187 | struct lpfc_dmabuf *buf_ptr, *buf_ptr1; |
James Smart | a8adb83 | 2007-10-27 13:37:53 -0400 | [diff] [blame] | 2188 | struct lpfc_nodelist *ndlp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2189 | |
James Smart | a8adb83 | 2007-10-27 13:37:53 -0400 | [diff] [blame] | 2190 | ndlp = (struct lpfc_nodelist *)elsiocb->context1; |
| 2191 | if (ndlp) { |
| 2192 | if (ndlp->nlp_flag & NLP_DEFER_RM) { |
| 2193 | lpfc_nlp_put(ndlp); |
| 2194 | |
| 2195 | /* If the ndlp is not being used by another discovery |
| 2196 | * thread, free it. |
| 2197 | */ |
| 2198 | if (!lpfc_nlp_not_used(ndlp)) { |
| 2199 | /* If ndlp is being used by another discovery |
| 2200 | * thread, just clear NLP_DEFER_RM |
| 2201 | */ |
| 2202 | ndlp->nlp_flag &= ~NLP_DEFER_RM; |
| 2203 | } |
| 2204 | } |
| 2205 | else |
| 2206 | lpfc_nlp_put(ndlp); |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2207 | elsiocb->context1 = NULL; |
| 2208 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2209 | /* context2 = cmd, context2->next = rsp, context3 = bpl */ |
| 2210 | if (elsiocb->context2) { |
James Smart | 0ff10d4 | 2008-01-11 01:52:36 -0500 | [diff] [blame] | 2211 | if (elsiocb->iocb_flag & LPFC_DELAY_MEM_FREE) { |
| 2212 | /* Firmware could still be in progress of DMAing |
| 2213 | * payload, so don't free data buffer till after |
| 2214 | * a hbeat. |
| 2215 | */ |
| 2216 | elsiocb->iocb_flag &= ~LPFC_DELAY_MEM_FREE; |
| 2217 | buf_ptr = elsiocb->context2; |
| 2218 | elsiocb->context2 = NULL; |
| 2219 | if (buf_ptr) { |
| 2220 | buf_ptr1 = NULL; |
| 2221 | spin_lock_irq(&phba->hbalock); |
| 2222 | if (!list_empty(&buf_ptr->list)) { |
| 2223 | list_remove_head(&buf_ptr->list, |
| 2224 | buf_ptr1, struct lpfc_dmabuf, |
| 2225 | list); |
| 2226 | INIT_LIST_HEAD(&buf_ptr1->list); |
| 2227 | list_add_tail(&buf_ptr1->list, |
| 2228 | &phba->elsbuf); |
| 2229 | phba->elsbuf_cnt++; |
| 2230 | } |
| 2231 | INIT_LIST_HEAD(&buf_ptr->list); |
| 2232 | list_add_tail(&buf_ptr->list, &phba->elsbuf); |
| 2233 | phba->elsbuf_cnt++; |
| 2234 | spin_unlock_irq(&phba->hbalock); |
| 2235 | } |
| 2236 | } else { |
| 2237 | buf_ptr1 = (struct lpfc_dmabuf *) elsiocb->context2; |
| 2238 | lpfc_els_free_data(phba, buf_ptr1); |
| 2239 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2240 | } |
| 2241 | |
| 2242 | if (elsiocb->context3) { |
| 2243 | buf_ptr = (struct lpfc_dmabuf *) elsiocb->context3; |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 2244 | lpfc_els_free_bpl(phba, buf_ptr); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2245 | } |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 2246 | lpfc_sli_release_iocbq(phba, elsiocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2247 | return 0; |
| 2248 | } |
| 2249 | |
| 2250 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2251 | lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 2252 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2253 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2254 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| 2255 | struct lpfc_vport *vport = cmdiocb->vport; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2256 | IOCB_t *irsp; |
| 2257 | |
| 2258 | irsp = &rspiocb->iocb; |
| 2259 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
| 2260 | "ACC LOGO cmpl: status:x%x/x%x did:x%x", |
| 2261 | irsp->ulpStatus, irsp->un.ulpWord[4], ndlp->nlp_DID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2262 | /* ACC to LOGO completes to NPort <nlp_DID> */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2263 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 2264 | "0109 ACC to LOGO completes to NPort x%x " |
| 2265 | "Data: x%x x%x x%x\n", |
| 2266 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, |
| 2267 | ndlp->nlp_rpi); |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 2268 | |
| 2269 | if (ndlp->nlp_state == NLP_STE_NPR_NODE) { |
| 2270 | /* NPort Recovery mode or node is just allocated */ |
| 2271 | if (!lpfc_nlp_not_used(ndlp)) { |
| 2272 | /* If the ndlp is being used by another discovery |
| 2273 | * thread, just unregister the RPI. |
| 2274 | */ |
| 2275 | lpfc_unreg_rpi(vport, ndlp); |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 2276 | } else { |
| 2277 | /* Indicate the node has already released, should |
| 2278 | * not reference to it from within lpfc_els_free_iocb. |
| 2279 | */ |
| 2280 | cmdiocb->context1 = NULL; |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 2281 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2282 | } |
| 2283 | lpfc_els_free_iocb(phba, cmdiocb); |
| 2284 | return; |
| 2285 | } |
| 2286 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2287 | void |
| 2288 | lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
| 2289 | { |
| 2290 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
| 2291 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; |
| 2292 | |
| 2293 | pmb->context1 = NULL; |
| 2294 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 2295 | kfree(mp); |
| 2296 | mempool_free(pmb, phba->mbox_mem_pool); |
James Smart | a8adb83 | 2007-10-27 13:37:53 -0400 | [diff] [blame] | 2297 | if (ndlp) { |
| 2298 | lpfc_nlp_put(ndlp); |
James Smart | a8adb83 | 2007-10-27 13:37:53 -0400 | [diff] [blame] | 2299 | /* This is the end of the default RPI cleanup logic for this |
| 2300 | * ndlp. If no other discovery threads are using this ndlp. |
| 2301 | * we should free all resources associated with it. |
| 2302 | */ |
| 2303 | lpfc_nlp_not_used(ndlp); |
| 2304 | } |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2305 | return; |
| 2306 | } |
| 2307 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2308 | static void |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2309 | lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2310 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2311 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2312 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| 2313 | struct lpfc_vport *vport = ndlp ? ndlp->vport : NULL; |
| 2314 | struct Scsi_Host *shost = vport ? lpfc_shost_from_vport(vport) : NULL; |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 2315 | IOCB_t *irsp; |
| 2316 | uint8_t *pcmd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2317 | LPFC_MBOXQ_t *mbox = NULL; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2318 | struct lpfc_dmabuf *mp = NULL; |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 2319 | uint32_t ls_rjt = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2320 | |
James Smart | 33ccf8d | 2006-08-17 11:57:58 -0400 | [diff] [blame] | 2321 | irsp = &rspiocb->iocb; |
| 2322 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2323 | if (cmdiocb->context_un.mbox) |
| 2324 | mbox = cmdiocb->context_un.mbox; |
| 2325 | |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 2326 | /* First determine if this is a LS_RJT cmpl. Note, this callback |
| 2327 | * function can have cmdiocb->contest1 (ndlp) field set to NULL. |
| 2328 | */ |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 2329 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) cmdiocb->context2)->virt); |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 2330 | if (ndlp && (*((uint32_t *) (pcmd)) == ELS_CMD_LS_RJT)) { |
| 2331 | /* A LS_RJT associated with Default RPI cleanup has its own |
| 2332 | * seperate code path. |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 2333 | */ |
| 2334 | if (!(ndlp->nlp_flag & NLP_RM_DFLT_RPI)) |
| 2335 | ls_rjt = 1; |
| 2336 | } |
| 2337 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2338 | /* Check to see if link went down during discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2339 | if (!ndlp || lpfc_els_chk_latt(vport)) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2340 | if (mbox) { |
James Smart | 1469115 | 2006-12-02 13:34:28 -0500 | [diff] [blame] | 2341 | mp = (struct lpfc_dmabuf *) mbox->context1; |
| 2342 | if (mp) { |
| 2343 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 2344 | kfree(mp); |
| 2345 | } |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2346 | mempool_free(mbox, phba->mbox_mem_pool); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2347 | } |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 2348 | if (ndlp && (ndlp->nlp_flag & NLP_RM_DFLT_RPI)) |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 2349 | if (lpfc_nlp_not_used(ndlp)) { |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 2350 | ndlp = NULL; |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 2351 | /* Indicate the node has already released, |
| 2352 | * should not reference to it from within |
| 2353 | * the routine lpfc_els_free_iocb. |
| 2354 | */ |
| 2355 | cmdiocb->context1 = NULL; |
| 2356 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2357 | goto out; |
| 2358 | } |
| 2359 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2360 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 2361 | "ELS rsp cmpl: status:x%x/x%x did:x%x", |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2362 | irsp->ulpStatus, irsp->un.ulpWord[4], |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 2363 | cmdiocb->iocb.un.elsreq64.remoteID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2364 | /* ELS response tag <ulpIoTag> completes */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2365 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 2366 | "0110 ELS response tag x%x completes " |
| 2367 | "Data: x%x x%x x%x x%x x%x x%x x%x\n", |
| 2368 | cmdiocb->iocb.ulpIoTag, rspiocb->iocb.ulpStatus, |
| 2369 | rspiocb->iocb.un.ulpWord[4], rspiocb->iocb.ulpTimeout, |
| 2370 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, |
| 2371 | ndlp->nlp_rpi); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2372 | if (mbox) { |
| 2373 | if ((rspiocb->iocb.ulpStatus == 0) |
| 2374 | && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2375 | lpfc_unreg_rpi(vport, ndlp); |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 2376 | /* Increment reference count to ndlp to hold the |
| 2377 | * reference to ndlp for the callback function. |
| 2378 | */ |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2379 | mbox->context2 = lpfc_nlp_get(ndlp); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2380 | mbox->vport = vport; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2381 | if (ndlp->nlp_flag & NLP_RM_DFLT_RPI) { |
| 2382 | mbox->mbox_flag |= LPFC_MBX_IMED_UNREG; |
| 2383 | mbox->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; |
| 2384 | } |
| 2385 | else { |
| 2386 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; |
| 2387 | ndlp->nlp_prev_state = ndlp->nlp_state; |
| 2388 | lpfc_nlp_set_state(vport, ndlp, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2389 | NLP_STE_REG_LOGIN_ISSUE); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2390 | } |
James Smart | 0b727fe | 2007-10-27 13:37:25 -0400 | [diff] [blame] | 2391 | if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 2392 | != MBX_NOT_FINISHED) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2393 | goto out; |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 2394 | else |
| 2395 | /* Decrement the ndlp reference count we |
| 2396 | * set for this failed mailbox command. |
| 2397 | */ |
| 2398 | lpfc_nlp_put(ndlp); |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 2399 | |
| 2400 | /* ELS rsp: Cannot issue reg_login for <NPortid> */ |
| 2401 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
| 2402 | "0138 ELS rsp: Cannot issue reg_login for x%x " |
| 2403 | "Data: x%x x%x x%x\n", |
| 2404 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, |
| 2405 | ndlp->nlp_rpi); |
| 2406 | |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 2407 | if (lpfc_nlp_not_used(ndlp)) { |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 2408 | ndlp = NULL; |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 2409 | /* Indicate node has already been released, |
| 2410 | * should not reference to it from within |
| 2411 | * the routine lpfc_els_free_iocb. |
| 2412 | */ |
| 2413 | cmdiocb->context1 = NULL; |
| 2414 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2415 | } else { |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2416 | /* Do not drop node for lpfc_els_abort'ed ELS cmds */ |
| 2417 | if (!lpfc_error_lost_link(irsp) && |
| 2418 | ndlp->nlp_flag & NLP_ACC_REGLOGIN) { |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 2419 | if (lpfc_nlp_not_used(ndlp)) { |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 2420 | ndlp = NULL; |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 2421 | /* Indicate node has already been |
| 2422 | * released, should not reference |
| 2423 | * to it from within the routine |
| 2424 | * lpfc_els_free_iocb. |
| 2425 | */ |
| 2426 | cmdiocb->context1 = NULL; |
| 2427 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2428 | } |
| 2429 | } |
James Smart | 1469115 | 2006-12-02 13:34:28 -0500 | [diff] [blame] | 2430 | mp = (struct lpfc_dmabuf *) mbox->context1; |
| 2431 | if (mp) { |
| 2432 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 2433 | kfree(mp); |
| 2434 | } |
| 2435 | mempool_free(mbox, phba->mbox_mem_pool); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2436 | } |
| 2437 | out: |
| 2438 | if (ndlp) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2439 | spin_lock_irq(shost->host_lock); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2440 | ndlp->nlp_flag &= ~(NLP_ACC_REGLOGIN | NLP_RM_DFLT_RPI); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2441 | spin_unlock_irq(shost->host_lock); |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 2442 | |
| 2443 | /* If the node is not being used by another discovery thread, |
| 2444 | * and we are sending a reject, we are done with it. |
| 2445 | * Release driver reference count here and free associated |
| 2446 | * resources. |
| 2447 | */ |
| 2448 | if (ls_rjt) |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 2449 | if (lpfc_nlp_not_used(ndlp)) |
| 2450 | /* Indicate node has already been released, |
| 2451 | * should not reference to it from within |
| 2452 | * the routine lpfc_els_free_iocb. |
| 2453 | */ |
| 2454 | cmdiocb->context1 = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2455 | } |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 2456 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2457 | lpfc_els_free_iocb(phba, cmdiocb); |
| 2458 | return; |
| 2459 | } |
| 2460 | |
| 2461 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2462 | lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, |
| 2463 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp, |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 2464 | LPFC_MBOXQ_t *mbox) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2465 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2466 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 2467 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2468 | IOCB_t *icmd; |
| 2469 | IOCB_t *oldcmd; |
| 2470 | struct lpfc_iocbq *elsiocb; |
| 2471 | struct lpfc_sli_ring *pring; |
| 2472 | struct lpfc_sli *psli; |
| 2473 | uint8_t *pcmd; |
| 2474 | uint16_t cmdsize; |
| 2475 | int rc; |
James Smart | 82d9a2a | 2006-04-15 11:53:05 -0400 | [diff] [blame] | 2476 | ELS_PKT *els_pkt_ptr; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2477 | |
| 2478 | psli = &phba->sli; |
| 2479 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 2480 | oldcmd = &oldiocb->iocb; |
| 2481 | |
| 2482 | switch (flag) { |
| 2483 | case ELS_CMD_ACC: |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2484 | cmdsize = sizeof(uint32_t); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2485 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, |
| 2486 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 2487 | if (!elsiocb) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2488 | spin_lock_irq(shost->host_lock); |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 2489 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2490 | spin_unlock_irq(shost->host_lock); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2491 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2492 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2493 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2494 | icmd = &elsiocb->iocb; |
| 2495 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
| 2496 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 2497 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2498 | pcmd += sizeof(uint32_t); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2499 | |
| 2500 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
| 2501 | "Issue ACC: did:x%x flg:x%x", |
| 2502 | ndlp->nlp_DID, ndlp->nlp_flag, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2503 | break; |
| 2504 | case ELS_CMD_PLOGI: |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2505 | cmdsize = (sizeof(struct serv_parm) + sizeof(uint32_t)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2506 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, |
| 2507 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 2508 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2509 | return 1; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 2510 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2511 | icmd = &elsiocb->iocb; |
| 2512 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
| 2513 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 2514 | |
| 2515 | if (mbox) |
| 2516 | elsiocb->context_un.mbox = mbox; |
| 2517 | |
| 2518 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2519 | pcmd += sizeof(uint32_t); |
| 2520 | memcpy(pcmd, &vport->fc_sparam, sizeof(struct serv_parm)); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2521 | |
| 2522 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
| 2523 | "Issue ACC PLOGI: did:x%x flg:x%x", |
| 2524 | ndlp->nlp_DID, ndlp->nlp_flag, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2525 | break; |
James Smart | 82d9a2a | 2006-04-15 11:53:05 -0400 | [diff] [blame] | 2526 | case ELS_CMD_PRLO: |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2527 | cmdsize = sizeof(uint32_t) + sizeof(PRLO); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2528 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, |
James Smart | 82d9a2a | 2006-04-15 11:53:05 -0400 | [diff] [blame] | 2529 | ndlp, ndlp->nlp_DID, ELS_CMD_PRLO); |
| 2530 | if (!elsiocb) |
| 2531 | return 1; |
| 2532 | |
| 2533 | icmd = &elsiocb->iocb; |
| 2534 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
| 2535 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 2536 | |
| 2537 | memcpy(pcmd, ((struct lpfc_dmabuf *) oldiocb->context2)->virt, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2538 | sizeof(uint32_t) + sizeof(PRLO)); |
James Smart | 82d9a2a | 2006-04-15 11:53:05 -0400 | [diff] [blame] | 2539 | *((uint32_t *) (pcmd)) = ELS_CMD_PRLO_ACC; |
| 2540 | els_pkt_ptr = (ELS_PKT *) pcmd; |
| 2541 | els_pkt_ptr->un.prlo.acceptRspCode = PRLO_REQ_EXECUTED; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2542 | |
| 2543 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
| 2544 | "Issue ACC PRLO: did:x%x flg:x%x", |
| 2545 | ndlp->nlp_DID, ndlp->nlp_flag, 0); |
James Smart | 82d9a2a | 2006-04-15 11:53:05 -0400 | [diff] [blame] | 2546 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2547 | default: |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2548 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2549 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2550 | /* Xmit ELS ACC response tag <ulpIoTag> */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2551 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 2552 | "0128 Xmit ELS ACC response tag x%x, XRI: x%x, " |
| 2553 | "DID: x%x, nlp_flag: x%x nlp_state: x%x RPI: x%x\n", |
| 2554 | elsiocb->iotag, elsiocb->iocb.ulpContext, |
| 2555 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, |
| 2556 | ndlp->nlp_rpi); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2557 | if (ndlp->nlp_flag & NLP_LOGO_ACC) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2558 | spin_lock_irq(shost->host_lock); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2559 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2560 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2561 | elsiocb->iocb_cmpl = lpfc_cmpl_els_logo_acc; |
| 2562 | } else { |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2563 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2564 | } |
| 2565 | |
| 2566 | phba->fc_stat.elsXmitACC++; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2567 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2568 | if (rc == IOCB_ERROR) { |
| 2569 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2570 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2571 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2572 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2573 | } |
| 2574 | |
| 2575 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2576 | lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError, |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2577 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp, |
| 2578 | LPFC_MBOXQ_t *mbox) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2579 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2580 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2581 | IOCB_t *icmd; |
| 2582 | IOCB_t *oldcmd; |
| 2583 | struct lpfc_iocbq *elsiocb; |
| 2584 | struct lpfc_sli_ring *pring; |
| 2585 | struct lpfc_sli *psli; |
| 2586 | uint8_t *pcmd; |
| 2587 | uint16_t cmdsize; |
| 2588 | int rc; |
| 2589 | |
| 2590 | psli = &phba->sli; |
| 2591 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 2592 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2593 | cmdsize = 2 * sizeof(uint32_t); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2594 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
| 2595 | ndlp->nlp_DID, ELS_CMD_LS_RJT); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 2596 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2597 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2598 | |
| 2599 | icmd = &elsiocb->iocb; |
| 2600 | oldcmd = &oldiocb->iocb; |
| 2601 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
| 2602 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 2603 | |
| 2604 | *((uint32_t *) (pcmd)) = ELS_CMD_LS_RJT; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2605 | pcmd += sizeof(uint32_t); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2606 | *((uint32_t *) (pcmd)) = rejectError; |
| 2607 | |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 2608 | if (mbox) |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2609 | elsiocb->context_un.mbox = mbox; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2610 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2611 | /* Xmit ELS RJT <err> response tag <ulpIoTag> */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2612 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 2613 | "0129 Xmit ELS RJT x%x response tag x%x " |
| 2614 | "xri x%x, did x%x, nlp_flag x%x, nlp_state x%x, " |
| 2615 | "rpi x%x\n", |
| 2616 | rejectError, elsiocb->iotag, |
| 2617 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
| 2618 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2619 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
| 2620 | "Issue LS_RJT: did:x%x flg:x%x err:x%x", |
| 2621 | ndlp->nlp_DID, ndlp->nlp_flag, rejectError); |
| 2622 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2623 | phba->fc_stat.elsXmitLSRJT++; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2624 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2625 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 2626 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2627 | if (rc == IOCB_ERROR) { |
| 2628 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2629 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2630 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2631 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2632 | } |
| 2633 | |
| 2634 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2635 | lpfc_els_rsp_adisc_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, |
| 2636 | struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2637 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2638 | struct lpfc_hba *phba = vport->phba; |
| 2639 | struct lpfc_sli *psli = &phba->sli; |
| 2640 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2641 | ADISC *ap; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2642 | IOCB_t *icmd, *oldcmd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2643 | struct lpfc_iocbq *elsiocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2644 | uint8_t *pcmd; |
| 2645 | uint16_t cmdsize; |
| 2646 | int rc; |
| 2647 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2648 | cmdsize = sizeof(uint32_t) + sizeof(ADISC); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2649 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
| 2650 | ndlp->nlp_DID, ELS_CMD_ACC); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 2651 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2652 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2653 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2654 | icmd = &elsiocb->iocb; |
| 2655 | oldcmd = &oldiocb->iocb; |
| 2656 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 2657 | |
| 2658 | /* Xmit ADISC ACC response tag <ulpIoTag> */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2659 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 2660 | "0130 Xmit ADISC ACC response iotag x%x xri: " |
| 2661 | "x%x, did x%x, nlp_flag x%x, nlp_state x%x rpi x%x\n", |
| 2662 | elsiocb->iotag, elsiocb->iocb.ulpContext, |
| 2663 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, |
| 2664 | ndlp->nlp_rpi); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2665 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 2666 | |
| 2667 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2668 | pcmd += sizeof(uint32_t); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2669 | |
| 2670 | ap = (ADISC *) (pcmd); |
| 2671 | ap->hardAL_PA = phba->fc_pref_ALPA; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2672 | memcpy(&ap->portName, &vport->fc_portname, sizeof(struct lpfc_name)); |
| 2673 | memcpy(&ap->nodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2674 | ap->DID = be32_to_cpu(vport->fc_myDID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2675 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2676 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
| 2677 | "Issue ACC ADISC: did:x%x flg:x%x", |
| 2678 | ndlp->nlp_DID, ndlp->nlp_flag, 0); |
| 2679 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2680 | phba->fc_stat.elsXmitACC++; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2681 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2682 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2683 | if (rc == IOCB_ERROR) { |
| 2684 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2685 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2686 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2687 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2688 | } |
| 2689 | |
| 2690 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2691 | lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 2692 | struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2693 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2694 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2695 | PRLI *npr; |
| 2696 | lpfc_vpd_t *vpd; |
| 2697 | IOCB_t *icmd; |
| 2698 | IOCB_t *oldcmd; |
| 2699 | struct lpfc_iocbq *elsiocb; |
| 2700 | struct lpfc_sli_ring *pring; |
| 2701 | struct lpfc_sli *psli; |
| 2702 | uint8_t *pcmd; |
| 2703 | uint16_t cmdsize; |
| 2704 | int rc; |
| 2705 | |
| 2706 | psli = &phba->sli; |
| 2707 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 2708 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2709 | cmdsize = sizeof(uint32_t) + sizeof(PRLI); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2710 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2711 | ndlp->nlp_DID, (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK))); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2712 | if (!elsiocb) |
| 2713 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2714 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2715 | icmd = &elsiocb->iocb; |
| 2716 | oldcmd = &oldiocb->iocb; |
| 2717 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 2718 | /* Xmit PRLI ACC response tag <ulpIoTag> */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2719 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 2720 | "0131 Xmit PRLI ACC response tag x%x xri x%x, " |
| 2721 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", |
| 2722 | elsiocb->iotag, elsiocb->iocb.ulpContext, |
| 2723 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, |
| 2724 | ndlp->nlp_rpi); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2725 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 2726 | |
| 2727 | *((uint32_t *) (pcmd)) = (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK)); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2728 | pcmd += sizeof(uint32_t); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2729 | |
| 2730 | /* For PRLI, remainder of payload is PRLI parameter page */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2731 | memset(pcmd, 0, sizeof(PRLI)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2732 | |
| 2733 | npr = (PRLI *) pcmd; |
| 2734 | vpd = &phba->vpd; |
| 2735 | /* |
| 2736 | * If our firmware version is 3.20 or later, |
| 2737 | * set the following bits for FC-TAPE support. |
| 2738 | */ |
| 2739 | if (vpd->rev.feaLevelHigh >= 0x02) { |
| 2740 | npr->ConfmComplAllowed = 1; |
| 2741 | npr->Retry = 1; |
| 2742 | npr->TaskRetryIdReq = 1; |
| 2743 | } |
| 2744 | |
| 2745 | npr->acceptRspCode = PRLI_REQ_EXECUTED; |
| 2746 | npr->estabImagePair = 1; |
| 2747 | npr->readXferRdyDis = 1; |
| 2748 | npr->ConfmComplAllowed = 1; |
| 2749 | |
| 2750 | npr->prliType = PRLI_FCP_TYPE; |
| 2751 | npr->initiatorFunc = 1; |
| 2752 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2753 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
| 2754 | "Issue ACC PRLI: did:x%x flg:x%x", |
| 2755 | ndlp->nlp_DID, ndlp->nlp_flag, 0); |
| 2756 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2757 | phba->fc_stat.elsXmitACC++; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2758 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2759 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2760 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2761 | if (rc == IOCB_ERROR) { |
| 2762 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2763 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2764 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2765 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2766 | } |
| 2767 | |
| 2768 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2769 | lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format, |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2770 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2771 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2772 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2773 | RNID *rn; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2774 | IOCB_t *icmd, *oldcmd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2775 | struct lpfc_iocbq *elsiocb; |
| 2776 | struct lpfc_sli_ring *pring; |
| 2777 | struct lpfc_sli *psli; |
| 2778 | uint8_t *pcmd; |
| 2779 | uint16_t cmdsize; |
| 2780 | int rc; |
| 2781 | |
| 2782 | psli = &phba->sli; |
| 2783 | pring = &psli->ring[LPFC_ELS_RING]; |
| 2784 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2785 | cmdsize = sizeof(uint32_t) + sizeof(uint32_t) |
| 2786 | + (2 * sizeof(struct lpfc_name)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2787 | if (format) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2788 | cmdsize += sizeof(RNID_TOP_DISC); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2789 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2790 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
| 2791 | ndlp->nlp_DID, ELS_CMD_ACC); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 2792 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2793 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2794 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2795 | icmd = &elsiocb->iocb; |
| 2796 | oldcmd = &oldiocb->iocb; |
| 2797 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 2798 | /* Xmit RNID ACC response tag <ulpIoTag> */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2799 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 2800 | "0132 Xmit RNID ACC response tag x%x xri x%x\n", |
| 2801 | elsiocb->iotag, elsiocb->iocb.ulpContext); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2802 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2803 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2804 | pcmd += sizeof(uint32_t); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2805 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2806 | memset(pcmd, 0, sizeof(RNID)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2807 | rn = (RNID *) (pcmd); |
| 2808 | rn->Format = format; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2809 | rn->CommonLen = (2 * sizeof(struct lpfc_name)); |
| 2810 | memcpy(&rn->portName, &vport->fc_portname, sizeof(struct lpfc_name)); |
| 2811 | memcpy(&rn->nodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2812 | switch (format) { |
| 2813 | case 0: |
| 2814 | rn->SpecificLen = 0; |
| 2815 | break; |
| 2816 | case RNID_TOPOLOGY_DISC: |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2817 | rn->SpecificLen = sizeof(RNID_TOP_DISC); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2818 | memcpy(&rn->un.topologyDisc.portName, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2819 | &vport->fc_portname, sizeof(struct lpfc_name)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2820 | rn->un.topologyDisc.unitType = RNID_HBA; |
| 2821 | rn->un.topologyDisc.physPort = 0; |
| 2822 | rn->un.topologyDisc.attachedNodes = 0; |
| 2823 | break; |
| 2824 | default: |
| 2825 | rn->CommonLen = 0; |
| 2826 | rn->SpecificLen = 0; |
| 2827 | break; |
| 2828 | } |
| 2829 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2830 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
| 2831 | "Issue ACC RNID: did:x%x flg:x%x", |
| 2832 | ndlp->nlp_DID, ndlp->nlp_flag, 0); |
| 2833 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2834 | phba->fc_stat.elsXmitACC++; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2835 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2836 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2837 | elsiocb->context1 = NULL; /* Don't need ndlp for cmpl, |
| 2838 | * it could be freed */ |
| 2839 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2840 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2841 | if (rc == IOCB_ERROR) { |
| 2842 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2843 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2844 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2845 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2846 | } |
| 2847 | |
| 2848 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2849 | lpfc_els_disc_adisc(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2850 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2851 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2852 | struct lpfc_nodelist *ndlp, *next_ndlp; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2853 | int sentadisc = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2854 | |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2855 | /* go thru NPR nodes and issue any remaining ELS ADISCs */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2856 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 2857 | if (!NLP_CHK_NODE_ACT(ndlp)) |
| 2858 | continue; |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2859 | if (ndlp->nlp_state == NLP_STE_NPR_NODE && |
| 2860 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && |
| 2861 | (ndlp->nlp_flag & NLP_NPR_ADISC) != 0) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2862 | spin_lock_irq(shost->host_lock); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2863 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2864 | spin_unlock_irq(shost->host_lock); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2865 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2866 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
| 2867 | lpfc_issue_els_adisc(vport, ndlp, 0); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2868 | sentadisc++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2869 | vport->num_disc_nodes++; |
| 2870 | if (vport->num_disc_nodes >= |
James Smart | 3de2a65 | 2007-08-02 11:09:59 -0400 | [diff] [blame] | 2871 | vport->cfg_discovery_threads) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2872 | spin_lock_irq(shost->host_lock); |
| 2873 | vport->fc_flag |= FC_NLP_MORE; |
| 2874 | spin_unlock_irq(shost->host_lock); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2875 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2876 | } |
| 2877 | } |
| 2878 | } |
| 2879 | if (sentadisc == 0) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2880 | spin_lock_irq(shost->host_lock); |
| 2881 | vport->fc_flag &= ~FC_NLP_MORE; |
| 2882 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2883 | } |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 2884 | return sentadisc; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2885 | } |
| 2886 | |
| 2887 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2888 | lpfc_els_disc_plogi(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2889 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2890 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2891 | struct lpfc_nodelist *ndlp, *next_ndlp; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2892 | int sentplogi = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2893 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2894 | /* go thru NPR nodes and issue any remaining ELS PLOGIs */ |
| 2895 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 2896 | if (!NLP_CHK_NODE_ACT(ndlp)) |
| 2897 | continue; |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2898 | if (ndlp->nlp_state == NLP_STE_NPR_NODE && |
| 2899 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && |
| 2900 | (ndlp->nlp_flag & NLP_DELAY_TMO) == 0 && |
| 2901 | (ndlp->nlp_flag & NLP_NPR_ADISC) == 0) { |
| 2902 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2903 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
| 2904 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2905 | sentplogi++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2906 | vport->num_disc_nodes++; |
| 2907 | if (vport->num_disc_nodes >= |
James Smart | 3de2a65 | 2007-08-02 11:09:59 -0400 | [diff] [blame] | 2908 | vport->cfg_discovery_threads) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2909 | spin_lock_irq(shost->host_lock); |
| 2910 | vport->fc_flag |= FC_NLP_MORE; |
| 2911 | spin_unlock_irq(shost->host_lock); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2912 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2913 | } |
| 2914 | } |
| 2915 | } |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 2916 | if (sentplogi) { |
| 2917 | lpfc_set_disctmo(vport); |
| 2918 | } |
| 2919 | else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2920 | spin_lock_irq(shost->host_lock); |
| 2921 | vport->fc_flag &= ~FC_NLP_MORE; |
| 2922 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2923 | } |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 2924 | return sentplogi; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2925 | } |
| 2926 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2927 | void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2928 | lpfc_els_flush_rscn(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2929 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2930 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 2931 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2932 | int i; |
| 2933 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2934 | for (i = 0; i < vport->fc_rscn_id_cnt; i++) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2935 | lpfc_in_buf_free(phba, vport->fc_rscn_id_list[i]); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2936 | vport->fc_rscn_id_list[i] = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2937 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2938 | spin_lock_irq(shost->host_lock); |
| 2939 | vport->fc_rscn_id_cnt = 0; |
| 2940 | vport->fc_flag &= ~(FC_RSCN_MODE | FC_RSCN_DISCOVERY); |
| 2941 | spin_unlock_irq(shost->host_lock); |
| 2942 | lpfc_can_disctmo(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2943 | } |
| 2944 | |
| 2945 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2946 | lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2947 | { |
| 2948 | D_ID ns_did; |
| 2949 | D_ID rscn_did; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2950 | uint32_t *lp; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2951 | uint32_t payload_len, i; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2952 | |
| 2953 | ns_did.un.word = did; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2954 | |
| 2955 | /* Never match fabric nodes for RSCNs */ |
| 2956 | if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2957 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2958 | |
| 2959 | /* If we are doing a FULL RSCN rediscovery, match everything */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2960 | if (vport->fc_flag & FC_RSCN_DISCOVERY) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2961 | return did; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2962 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2963 | for (i = 0; i < vport->fc_rscn_id_cnt; i++) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2964 | lp = vport->fc_rscn_id_list[i]->virt; |
| 2965 | payload_len = be32_to_cpu(*lp++ & ~ELS_CMD_MASK); |
| 2966 | payload_len -= sizeof(uint32_t); /* take off word 0 */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2967 | while (payload_len) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2968 | rscn_did.un.word = be32_to_cpu(*lp++); |
| 2969 | payload_len -= sizeof(uint32_t); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2970 | switch (rscn_did.un.b.resv) { |
| 2971 | case 0: /* Single N_Port ID effected */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2972 | if (ns_did.un.word == rscn_did.un.word) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2973 | return did; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2974 | break; |
| 2975 | case 1: /* Whole N_Port Area effected */ |
| 2976 | if ((ns_did.un.b.domain == rscn_did.un.b.domain) |
| 2977 | && (ns_did.un.b.area == rscn_did.un.b.area)) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2978 | return did; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2979 | break; |
| 2980 | case 2: /* Whole N_Port Domain effected */ |
| 2981 | if (ns_did.un.b.domain == rscn_did.un.b.domain) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2982 | return did; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2983 | break; |
| 2984 | default: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2985 | /* Unknown Identifier in RSCN node */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2986 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
| 2987 | "0217 Unknown Identifier in " |
| 2988 | "RSCN payload Data: x%x\n", |
| 2989 | rscn_did.un.word); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2990 | case 3: /* Whole Fabric effected */ |
| 2991 | return did; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2992 | } |
| 2993 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2994 | } |
| 2995 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2996 | } |
| 2997 | |
| 2998 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2999 | lpfc_rscn_recovery_check(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3000 | { |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 3001 | struct lpfc_nodelist *ndlp = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3002 | |
| 3003 | /* Look at all nodes effected by pending RSCNs and move |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 3004 | * them to NPR state. |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3005 | */ |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 3006 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3007 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 3008 | if (!NLP_CHK_NODE_ACT(ndlp) || |
| 3009 | ndlp->nlp_state == NLP_STE_UNUSED_NODE || |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3010 | lpfc_rscn_payload_check(vport, ndlp->nlp_DID) == 0) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3011 | continue; |
| 3012 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3013 | lpfc_disc_state_machine(vport, ndlp, NULL, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3014 | NLP_EVT_DEVICE_RECOVERY); |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3015 | |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 3016 | /* |
| 3017 | * Make sure NLP_DELAY_TMO is NOT running after a device |
| 3018 | * recovery event. |
| 3019 | */ |
| 3020 | if (ndlp->nlp_flag & NLP_DELAY_TMO) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3021 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3022 | } |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 3023 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3024 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3025 | } |
| 3026 | |
| 3027 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3028 | lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 3029 | struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3030 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3031 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 3032 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3033 | struct lpfc_dmabuf *pcmd; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3034 | uint32_t *lp, *datap; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3035 | IOCB_t *icmd; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3036 | uint32_t payload_len, length, nportid, *cmd; |
| 3037 | int rscn_cnt = vport->fc_rscn_id_cnt; |
| 3038 | int rscn_id = 0, hba_id = 0; |
James Smart | d2873e4 | 2006-08-18 17:46:43 -0400 | [diff] [blame] | 3039 | int i; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3040 | |
| 3041 | icmd = &cmdiocb->iocb; |
| 3042 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 3043 | lp = (uint32_t *) pcmd->virt; |
| 3044 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3045 | payload_len = be32_to_cpu(*lp++ & ~ELS_CMD_MASK); |
| 3046 | payload_len -= sizeof(uint32_t); /* take off word 0 */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3047 | /* RSCN received */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3048 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
| 3049 | "0214 RSCN received Data: x%x x%x x%x x%x\n", |
| 3050 | vport->fc_flag, payload_len, *lp, rscn_cnt); |
James Smart | d2873e4 | 2006-08-18 17:46:43 -0400 | [diff] [blame] | 3051 | for (i = 0; i < payload_len/sizeof(uint32_t); i++) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3052 | fc_host_post_event(shost, fc_get_event_number(), |
James Smart | d2873e4 | 2006-08-18 17:46:43 -0400 | [diff] [blame] | 3053 | FCH_EVT_RSCN, lp[i]); |
| 3054 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3055 | /* If we are about to begin discovery, just ACC the RSCN. |
| 3056 | * Discovery processing will satisfy it. |
| 3057 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3058 | if (vport->port_state <= LPFC_NS_QRY) { |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3059 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
| 3060 | "RCV RSCN ignore: did:x%x/ste:x%x flg:x%x", |
| 3061 | ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag); |
| 3062 | |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 3063 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3064 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3065 | } |
| 3066 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3067 | /* If this RSCN just contains NPortIDs for other vports on this HBA, |
| 3068 | * just ACC and ignore it. |
| 3069 | */ |
| 3070 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
James Smart | 3de2a65 | 2007-08-02 11:09:59 -0400 | [diff] [blame] | 3071 | !(vport->cfg_peer_port_login)) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3072 | i = payload_len; |
| 3073 | datap = lp; |
| 3074 | while (i > 0) { |
| 3075 | nportid = *datap++; |
| 3076 | nportid = ((be32_to_cpu(nportid)) & Mask_DID); |
| 3077 | i -= sizeof(uint32_t); |
| 3078 | rscn_id++; |
James Smart | 549e55c | 2007-08-02 11:09:51 -0400 | [diff] [blame] | 3079 | if (lpfc_find_vport_by_did(phba, nportid)) |
| 3080 | hba_id++; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3081 | } |
| 3082 | if (rscn_id == hba_id) { |
| 3083 | /* ALL NPortIDs in RSCN are on HBA */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3084 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
| 3085 | "0214 Ignore RSCN " |
| 3086 | "Data: x%x x%x x%x x%x\n", |
| 3087 | vport->fc_flag, payload_len, |
| 3088 | *lp, rscn_cnt); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3089 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
| 3090 | "RCV RSCN vport: did:x%x/ste:x%x flg:x%x", |
| 3091 | ndlp->nlp_DID, vport->port_state, |
| 3092 | ndlp->nlp_flag); |
| 3093 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3094 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 3095 | ndlp, NULL); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3096 | return 0; |
| 3097 | } |
| 3098 | } |
| 3099 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3100 | /* If we are already processing an RSCN, save the received |
| 3101 | * RSCN payload buffer, cmdiocb->context2 to process later. |
| 3102 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3103 | if (vport->fc_flag & (FC_RSCN_MODE | FC_NDISC_ACTIVE)) { |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3104 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
| 3105 | "RCV RSCN defer: did:x%x/ste:x%x flg:x%x", |
| 3106 | ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag); |
| 3107 | |
James Smart | 0937282 | 2008-01-11 01:52:54 -0500 | [diff] [blame] | 3108 | spin_lock_irq(shost->host_lock); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3109 | vport->fc_flag |= FC_RSCN_DEFERRED; |
| 3110 | if ((rscn_cnt < FC_MAX_HOLD_RSCN) && |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3111 | !(vport->fc_flag & FC_RSCN_DISCOVERY)) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3112 | vport->fc_flag |= FC_RSCN_MODE; |
| 3113 | spin_unlock_irq(shost->host_lock); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3114 | if (rscn_cnt) { |
| 3115 | cmd = vport->fc_rscn_id_list[rscn_cnt-1]->virt; |
| 3116 | length = be32_to_cpu(*cmd & ~ELS_CMD_MASK); |
| 3117 | } |
| 3118 | if ((rscn_cnt) && |
| 3119 | (payload_len + length <= LPFC_BPL_SIZE)) { |
| 3120 | *cmd &= ELS_CMD_MASK; |
| 3121 | *cmd |= be32_to_cpu(payload_len + length); |
| 3122 | memcpy(((uint8_t *)cmd) + length, lp, |
| 3123 | payload_len); |
| 3124 | } else { |
| 3125 | vport->fc_rscn_id_list[rscn_cnt] = pcmd; |
| 3126 | vport->fc_rscn_id_cnt++; |
| 3127 | /* If we zero, cmdiocb->context2, the calling |
| 3128 | * routine will not try to free it. |
| 3129 | */ |
| 3130 | cmdiocb->context2 = NULL; |
| 3131 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3132 | |
| 3133 | /* Deferred RSCN */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3134 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
| 3135 | "0235 Deferred RSCN " |
| 3136 | "Data: x%x x%x x%x\n", |
| 3137 | vport->fc_rscn_id_cnt, vport->fc_flag, |
| 3138 | vport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3139 | } else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3140 | vport->fc_flag |= FC_RSCN_DISCOVERY; |
| 3141 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3142 | /* ReDiscovery RSCN */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3143 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
| 3144 | "0234 ReDiscovery RSCN " |
| 3145 | "Data: x%x x%x x%x\n", |
| 3146 | vport->fc_rscn_id_cnt, vport->fc_flag, |
| 3147 | vport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3148 | } |
| 3149 | /* Send back ACC */ |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 3150 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3151 | |
| 3152 | /* send RECOVERY event for ALL nodes that match RSCN payload */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3153 | lpfc_rscn_recovery_check(vport); |
James Smart | 0937282 | 2008-01-11 01:52:54 -0500 | [diff] [blame] | 3154 | spin_lock_irq(shost->host_lock); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3155 | vport->fc_flag &= ~FC_RSCN_DEFERRED; |
James Smart | 0937282 | 2008-01-11 01:52:54 -0500 | [diff] [blame] | 3156 | spin_unlock_irq(shost->host_lock); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3157 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3158 | } |
| 3159 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3160 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
| 3161 | "RCV RSCN: did:x%x/ste:x%x flg:x%x", |
| 3162 | ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag); |
| 3163 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3164 | spin_lock_irq(shost->host_lock); |
| 3165 | vport->fc_flag |= FC_RSCN_MODE; |
| 3166 | spin_unlock_irq(shost->host_lock); |
| 3167 | vport->fc_rscn_id_list[vport->fc_rscn_id_cnt++] = pcmd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3168 | /* |
| 3169 | * If we zero, cmdiocb->context2, the calling routine will |
| 3170 | * not try to free it. |
| 3171 | */ |
| 3172 | cmdiocb->context2 = NULL; |
| 3173 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3174 | lpfc_set_disctmo(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3175 | |
| 3176 | /* Send back ACC */ |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 3177 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3178 | |
| 3179 | /* send RECOVERY event for ALL nodes that match RSCN payload */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3180 | lpfc_rscn_recovery_check(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3181 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3182 | return lpfc_els_handle_rscn(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3183 | } |
| 3184 | |
| 3185 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3186 | lpfc_els_handle_rscn(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3187 | { |
| 3188 | struct lpfc_nodelist *ndlp; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3189 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3190 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3191 | /* Ignore RSCN if the port is being torn down. */ |
| 3192 | if (vport->load_flag & FC_UNLOADING) { |
| 3193 | lpfc_els_flush_rscn(vport); |
| 3194 | return 0; |
| 3195 | } |
| 3196 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3197 | /* Start timer for RSCN processing */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3198 | lpfc_set_disctmo(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3199 | |
| 3200 | /* RSCN processed */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3201 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
| 3202 | "0215 RSCN processed Data: x%x x%x x%x x%x\n", |
| 3203 | vport->fc_flag, 0, vport->fc_rscn_id_cnt, |
| 3204 | vport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3205 | |
| 3206 | /* To process RSCN, first compare RSCN data with NameServer */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3207 | vport->fc_ns_retry = 0; |
James Smart | 0ff10d4 | 2008-01-11 01:52:36 -0500 | [diff] [blame] | 3208 | vport->num_disc_nodes = 0; |
| 3209 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3210 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 3211 | if (ndlp && NLP_CHK_NODE_ACT(ndlp) |
| 3212 | && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3213 | /* Good ndlp, issue CT Request to NameServer */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3214 | if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0) == 0) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3215 | /* Wait for NameServer query cmpl before we can |
| 3216 | continue */ |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3217 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3218 | } else { |
| 3219 | /* If login to NameServer does not exist, issue one */ |
| 3220 | /* Good status, issue PLOGI to NameServer */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3221 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 3222 | if (ndlp && NLP_CHK_NODE_ACT(ndlp)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3223 | /* Wait for NameServer login cmpl before we can |
| 3224 | continue */ |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3225 | return 1; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3226 | |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 3227 | if (ndlp) { |
| 3228 | ndlp = lpfc_enable_node(vport, ndlp, |
| 3229 | NLP_STE_PLOGI_ISSUE); |
| 3230 | if (!ndlp) { |
| 3231 | lpfc_els_flush_rscn(vport); |
| 3232 | return 0; |
| 3233 | } |
| 3234 | ndlp->nlp_prev_state = NLP_STE_UNUSED_NODE; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3235 | } else { |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 3236 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
| 3237 | if (!ndlp) { |
| 3238 | lpfc_els_flush_rscn(vport); |
| 3239 | return 0; |
| 3240 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3241 | lpfc_nlp_init(vport, ndlp, NameServer_DID); |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3242 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3243 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3244 | } |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 3245 | ndlp->nlp_type |= NLP_FABRIC; |
| 3246 | lpfc_issue_els_plogi(vport, NameServer_DID, 0); |
| 3247 | /* Wait for NameServer login cmpl before we can |
| 3248 | * continue |
| 3249 | */ |
| 3250 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3251 | } |
| 3252 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3253 | lpfc_els_flush_rscn(vport); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3254 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3255 | } |
| 3256 | |
| 3257 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3258 | lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 3259 | struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3260 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3261 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 3262 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3263 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 3264 | uint32_t *lp = (uint32_t *) pcmd->virt; |
| 3265 | IOCB_t *icmd = &cmdiocb->iocb; |
| 3266 | struct serv_parm *sp; |
| 3267 | LPFC_MBOXQ_t *mbox; |
| 3268 | struct ls_rjt stat; |
| 3269 | uint32_t cmd, did; |
| 3270 | int rc; |
| 3271 | |
| 3272 | cmd = *lp++; |
| 3273 | sp = (struct serv_parm *) lp; |
| 3274 | |
| 3275 | /* FLOGI received */ |
| 3276 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3277 | lpfc_set_disctmo(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3278 | |
| 3279 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
| 3280 | /* We should never receive a FLOGI in loop mode, ignore it */ |
| 3281 | did = icmd->un.elsreq64.remoteID; |
| 3282 | |
| 3283 | /* An FLOGI ELS command <elsCmd> was received from DID <did> in |
| 3284 | Loop Mode */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3285 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
| 3286 | "0113 An FLOGI ELS command x%x was " |
| 3287 | "received from DID x%x in Loop Mode\n", |
| 3288 | cmd, did); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3289 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3290 | } |
| 3291 | |
| 3292 | did = Fabric_DID; |
| 3293 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3294 | if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3))) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3295 | /* For a FLOGI we accept, then if our portname is greater |
| 3296 | * then the remote portname we initiate Nport login. |
| 3297 | */ |
| 3298 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3299 | rc = memcmp(&vport->fc_portname, &sp->portName, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3300 | sizeof(struct lpfc_name)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3301 | |
| 3302 | if (!rc) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3303 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 3304 | if (!mbox) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3305 | return 1; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3306 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3307 | lpfc_linkdown(phba); |
| 3308 | lpfc_init_link(phba, mbox, |
| 3309 | phba->cfg_topology, |
| 3310 | phba->cfg_link_speed); |
| 3311 | mbox->mb.un.varInitLnk.lipsr_AL_PA = 0; |
| 3312 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3313 | mbox->vport = vport; |
James Smart | 0b727fe | 2007-10-27 13:37:25 -0400 | [diff] [blame] | 3314 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 3315 | lpfc_set_loopback_flag(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3316 | if (rc == MBX_NOT_FINISHED) { |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3317 | mempool_free(mbox, phba->mbox_mem_pool); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3318 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3319 | return 1; |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 3320 | } else if (rc > 0) { /* greater than */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3321 | spin_lock_irq(shost->host_lock); |
| 3322 | vport->fc_flag |= FC_PT2PT_PLOGI; |
| 3323 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3324 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3325 | spin_lock_irq(shost->host_lock); |
| 3326 | vport->fc_flag |= FC_PT2PT; |
| 3327 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); |
| 3328 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3329 | } else { |
| 3330 | /* Reject this request because invalid parameters */ |
| 3331 | stat.un.b.lsRjtRsvd0 = 0; |
| 3332 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 3333 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; |
| 3334 | stat.un.b.vendorUnique = 0; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3335 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
| 3336 | NULL); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3337 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3338 | } |
| 3339 | |
| 3340 | /* Send back ACC */ |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 3341 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3342 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3343 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3344 | } |
| 3345 | |
| 3346 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3347 | lpfc_els_rcv_rnid(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 3348 | struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3349 | { |
| 3350 | struct lpfc_dmabuf *pcmd; |
| 3351 | uint32_t *lp; |
| 3352 | IOCB_t *icmd; |
| 3353 | RNID *rn; |
| 3354 | struct ls_rjt stat; |
| 3355 | uint32_t cmd, did; |
| 3356 | |
| 3357 | icmd = &cmdiocb->iocb; |
| 3358 | did = icmd->un.elsreq64.remoteID; |
| 3359 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 3360 | lp = (uint32_t *) pcmd->virt; |
| 3361 | |
| 3362 | cmd = *lp++; |
| 3363 | rn = (RNID *) lp; |
| 3364 | |
| 3365 | /* RNID received */ |
| 3366 | |
| 3367 | switch (rn->Format) { |
| 3368 | case 0: |
| 3369 | case RNID_TOPOLOGY_DISC: |
| 3370 | /* Send back ACC */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3371 | lpfc_els_rsp_rnid_acc(vport, rn->Format, cmdiocb, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3372 | break; |
| 3373 | default: |
| 3374 | /* Reject this request because format not supported */ |
| 3375 | stat.un.b.lsRjtRsvd0 = 0; |
| 3376 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 3377 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; |
| 3378 | stat.un.b.vendorUnique = 0; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3379 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
| 3380 | NULL); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3381 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3382 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3383 | } |
| 3384 | |
| 3385 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3386 | lpfc_els_rcv_lirr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 3387 | struct lpfc_nodelist *ndlp) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3388 | { |
| 3389 | struct ls_rjt stat; |
| 3390 | |
| 3391 | /* For now, unconditionally reject this command */ |
| 3392 | stat.un.b.lsRjtRsvd0 = 0; |
| 3393 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 3394 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; |
| 3395 | stat.un.b.vendorUnique = 0; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3396 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3397 | return 0; |
| 3398 | } |
| 3399 | |
Jamie Wellnitz | 082c026 | 2006-02-28 19:25:30 -0500 | [diff] [blame] | 3400 | static void |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3401 | lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3402 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3403 | struct lpfc_sli *psli = &phba->sli; |
| 3404 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3405 | MAILBOX_t *mb; |
| 3406 | IOCB_t *icmd; |
| 3407 | RPS_RSP *rps_rsp; |
| 3408 | uint8_t *pcmd; |
| 3409 | struct lpfc_iocbq *elsiocb; |
| 3410 | struct lpfc_nodelist *ndlp; |
| 3411 | uint16_t xri, status; |
| 3412 | uint32_t cmdsize; |
| 3413 | |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3414 | mb = &pmb->mb; |
| 3415 | |
| 3416 | ndlp = (struct lpfc_nodelist *) pmb->context2; |
| 3417 | xri = (uint16_t) ((unsigned long)(pmb->context1)); |
Randy Dunlap | 041976f | 2006-06-25 01:58:51 -0700 | [diff] [blame] | 3418 | pmb->context1 = NULL; |
| 3419 | pmb->context2 = NULL; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3420 | |
| 3421 | if (mb->mbxStatus) { |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3422 | mempool_free(pmb, phba->mbox_mem_pool); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3423 | return; |
| 3424 | } |
| 3425 | |
| 3426 | cmdsize = sizeof(RPS_RSP) + sizeof(uint32_t); |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3427 | mempool_free(pmb, phba->mbox_mem_pool); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3428 | elsiocb = lpfc_prep_els_iocb(phba->pport, 0, cmdsize, |
| 3429 | lpfc_max_els_tries, ndlp, |
| 3430 | ndlp->nlp_DID, ELS_CMD_ACC); |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 3431 | |
| 3432 | /* Decrement the ndlp reference count from previous mbox command */ |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3433 | lpfc_nlp_put(ndlp); |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 3434 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3435 | if (!elsiocb) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3436 | return; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3437 | |
| 3438 | icmd = &elsiocb->iocb; |
| 3439 | icmd->ulpContext = xri; |
| 3440 | |
| 3441 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 3442 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3443 | pcmd += sizeof(uint32_t); /* Skip past command */ |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3444 | rps_rsp = (RPS_RSP *)pcmd; |
| 3445 | |
| 3446 | if (phba->fc_topology != TOPOLOGY_LOOP) |
| 3447 | status = 0x10; |
| 3448 | else |
| 3449 | status = 0x8; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3450 | if (phba->pport->fc_flag & FC_FABRIC) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3451 | status |= 0x4; |
| 3452 | |
| 3453 | rps_rsp->rsvd1 = 0; |
James Smart | 0937282 | 2008-01-11 01:52:54 -0500 | [diff] [blame] | 3454 | rps_rsp->portStatus = cpu_to_be16(status); |
| 3455 | rps_rsp->linkFailureCnt = cpu_to_be32(mb->un.varRdLnk.linkFailureCnt); |
| 3456 | rps_rsp->lossSyncCnt = cpu_to_be32(mb->un.varRdLnk.lossSyncCnt); |
| 3457 | rps_rsp->lossSignalCnt = cpu_to_be32(mb->un.varRdLnk.lossSignalCnt); |
| 3458 | rps_rsp->primSeqErrCnt = cpu_to_be32(mb->un.varRdLnk.primSeqErrCnt); |
| 3459 | rps_rsp->invalidXmitWord = cpu_to_be32(mb->un.varRdLnk.invalidXmitWord); |
| 3460 | rps_rsp->crcCnt = cpu_to_be32(mb->un.varRdLnk.crcCnt); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3461 | /* Xmit ELS RPS ACC response tag <ulpIoTag> */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3462 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_ELS, |
| 3463 | "0118 Xmit ELS RPS ACC response tag x%x xri x%x, " |
| 3464 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", |
| 3465 | elsiocb->iotag, elsiocb->iocb.ulpContext, |
| 3466 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, |
| 3467 | ndlp->nlp_rpi); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3468 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3469 | phba->fc_stat.elsXmitACC++; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3470 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3471 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3472 | return; |
| 3473 | } |
| 3474 | |
| 3475 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3476 | lpfc_els_rcv_rps(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 3477 | struct lpfc_nodelist *ndlp) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3478 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3479 | struct lpfc_hba *phba = vport->phba; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3480 | uint32_t *lp; |
| 3481 | uint8_t flag; |
| 3482 | LPFC_MBOXQ_t *mbox; |
| 3483 | struct lpfc_dmabuf *pcmd; |
| 3484 | RPS *rps; |
| 3485 | struct ls_rjt stat; |
| 3486 | |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 3487 | if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && |
| 3488 | (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) { |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3489 | stat.un.b.lsRjtRsvd0 = 0; |
| 3490 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 3491 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; |
| 3492 | stat.un.b.vendorUnique = 0; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3493 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
| 3494 | NULL); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3495 | } |
| 3496 | |
| 3497 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 3498 | lp = (uint32_t *) pcmd->virt; |
| 3499 | flag = (be32_to_cpu(*lp++) & 0xf); |
| 3500 | rps = (RPS *) lp; |
| 3501 | |
| 3502 | if ((flag == 0) || |
| 3503 | ((flag == 1) && (be32_to_cpu(rps->un.portNum) == 0)) || |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3504 | ((flag == 2) && (memcmp(&rps->un.portName, &vport->fc_portname, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3505 | sizeof(struct lpfc_name)) == 0))) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3506 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3507 | printk("Fix me....\n"); |
| 3508 | dump_stack(); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3509 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC); |
| 3510 | if (mbox) { |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3511 | lpfc_read_lnk_stat(phba, mbox); |
| 3512 | mbox->context1 = |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3513 | (void *)((unsigned long) cmdiocb->iocb.ulpContext); |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3514 | mbox->context2 = lpfc_nlp_get(ndlp); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3515 | mbox->vport = vport; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3516 | mbox->mbox_cmpl = lpfc_els_rsp_rps_acc; |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 3517 | if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) |
James Smart | 0b727fe | 2007-10-27 13:37:25 -0400 | [diff] [blame] | 3518 | != MBX_NOT_FINISHED) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3519 | /* Mbox completion will send ELS Response */ |
| 3520 | return 0; |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 3521 | /* Decrement reference count used for the failed mbox |
| 3522 | * command. |
| 3523 | */ |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3524 | lpfc_nlp_put(ndlp); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3525 | mempool_free(mbox, phba->mbox_mem_pool); |
| 3526 | } |
| 3527 | } |
| 3528 | stat.un.b.lsRjtRsvd0 = 0; |
| 3529 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 3530 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; |
| 3531 | stat.un.b.vendorUnique = 0; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3532 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3533 | return 0; |
| 3534 | } |
| 3535 | |
Jamie Wellnitz | 082c026 | 2006-02-28 19:25:30 -0500 | [diff] [blame] | 3536 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3537 | lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize, |
| 3538 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3539 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3540 | struct lpfc_hba *phba = vport->phba; |
| 3541 | IOCB_t *icmd, *oldcmd; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3542 | RPL_RSP rpl_rsp; |
| 3543 | struct lpfc_iocbq *elsiocb; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3544 | struct lpfc_sli *psli = &phba->sli; |
| 3545 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3546 | uint8_t *pcmd; |
| 3547 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3548 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
| 3549 | ndlp->nlp_DID, ELS_CMD_ACC); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3550 | |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 3551 | if (!elsiocb) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3552 | return 1; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 3553 | |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3554 | icmd = &elsiocb->iocb; |
| 3555 | oldcmd = &oldiocb->iocb; |
| 3556 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
| 3557 | |
| 3558 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 3559 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3560 | pcmd += sizeof(uint16_t); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3561 | *((uint16_t *)(pcmd)) = be16_to_cpu(cmdsize); |
| 3562 | pcmd += sizeof(uint16_t); |
| 3563 | |
| 3564 | /* Setup the RPL ACC payload */ |
| 3565 | rpl_rsp.listLen = be32_to_cpu(1); |
| 3566 | rpl_rsp.index = 0; |
| 3567 | rpl_rsp.port_num_blk.portNum = 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3568 | rpl_rsp.port_num_blk.portID = be32_to_cpu(vport->fc_myDID); |
| 3569 | memcpy(&rpl_rsp.port_num_blk.portName, &vport->fc_portname, |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3570 | sizeof(struct lpfc_name)); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3571 | memcpy(pcmd, &rpl_rsp, cmdsize - sizeof(uint32_t)); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3572 | /* Xmit ELS RPL ACC response tag <ulpIoTag> */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3573 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 3574 | "0120 Xmit ELS RPL ACC response tag x%x " |
| 3575 | "xri x%x, did x%x, nlp_flag x%x, nlp_state x%x, " |
| 3576 | "rpi x%x\n", |
| 3577 | elsiocb->iotag, elsiocb->iocb.ulpContext, |
| 3578 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, |
| 3579 | ndlp->nlp_rpi); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3580 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3581 | phba->fc_stat.elsXmitACC++; |
| 3582 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
| 3583 | lpfc_els_free_iocb(phba, elsiocb); |
| 3584 | return 1; |
| 3585 | } |
| 3586 | return 0; |
| 3587 | } |
| 3588 | |
| 3589 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3590 | lpfc_els_rcv_rpl(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 3591 | struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3592 | { |
| 3593 | struct lpfc_dmabuf *pcmd; |
| 3594 | uint32_t *lp; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3595 | uint32_t maxsize; |
| 3596 | uint16_t cmdsize; |
| 3597 | RPL *rpl; |
| 3598 | struct ls_rjt stat; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3599 | |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 3600 | if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && |
| 3601 | (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) { |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3602 | stat.un.b.lsRjtRsvd0 = 0; |
| 3603 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 3604 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; |
| 3605 | stat.un.b.vendorUnique = 0; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3606 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
| 3607 | NULL); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3608 | } |
| 3609 | |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3610 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 3611 | lp = (uint32_t *) pcmd->virt; |
| 3612 | rpl = (RPL *) (lp + 1); |
| 3613 | |
| 3614 | maxsize = be32_to_cpu(rpl->maxsize); |
| 3615 | |
| 3616 | /* We support only one port */ |
| 3617 | if ((rpl->index == 0) && |
| 3618 | ((maxsize == 0) || |
| 3619 | ((maxsize * sizeof(uint32_t)) >= sizeof(RPL_RSP)))) { |
| 3620 | cmdsize = sizeof(uint32_t) + sizeof(RPL_RSP); |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 3621 | } else { |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3622 | cmdsize = sizeof(uint32_t) + maxsize * sizeof(uint32_t); |
| 3623 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3624 | lpfc_els_rsp_rpl_acc(vport, cmdsize, cmdiocb, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3625 | |
| 3626 | return 0; |
| 3627 | } |
| 3628 | |
| 3629 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3630 | lpfc_els_rcv_farp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 3631 | struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3632 | { |
| 3633 | struct lpfc_dmabuf *pcmd; |
| 3634 | uint32_t *lp; |
| 3635 | IOCB_t *icmd; |
| 3636 | FARP *fp; |
| 3637 | uint32_t cmd, cnt, did; |
| 3638 | |
| 3639 | icmd = &cmdiocb->iocb; |
| 3640 | did = icmd->un.elsreq64.remoteID; |
| 3641 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 3642 | lp = (uint32_t *) pcmd->virt; |
| 3643 | |
| 3644 | cmd = *lp++; |
| 3645 | fp = (FARP *) lp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3646 | /* FARP-REQ received from DID <did> */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3647 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 3648 | "0601 FARP-REQ received from DID x%x\n", did); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3649 | /* We will only support match on WWPN or WWNN */ |
| 3650 | if (fp->Mflags & ~(FARP_MATCH_NODE | FARP_MATCH_PORT)) { |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3651 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3652 | } |
| 3653 | |
| 3654 | cnt = 0; |
| 3655 | /* If this FARP command is searching for my portname */ |
| 3656 | if (fp->Mflags & FARP_MATCH_PORT) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3657 | if (memcmp(&fp->RportName, &vport->fc_portname, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3658 | sizeof(struct lpfc_name)) == 0) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3659 | cnt = 1; |
| 3660 | } |
| 3661 | |
| 3662 | /* If this FARP command is searching for my nodename */ |
| 3663 | if (fp->Mflags & FARP_MATCH_NODE) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3664 | if (memcmp(&fp->RnodeName, &vport->fc_nodename, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3665 | sizeof(struct lpfc_name)) == 0) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3666 | cnt = 1; |
| 3667 | } |
| 3668 | |
| 3669 | if (cnt) { |
| 3670 | if ((ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) || |
| 3671 | (ndlp->nlp_state == NLP_STE_MAPPED_NODE)) { |
| 3672 | /* Log back into the node before sending the FARP. */ |
| 3673 | if (fp->Rflags & FARP_REQUEST_PLOGI) { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3674 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3675 | lpfc_nlp_set_state(vport, ndlp, |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3676 | NLP_STE_PLOGI_ISSUE); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3677 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3678 | } |
| 3679 | |
| 3680 | /* Send a FARP response to that node */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3681 | if (fp->Rflags & FARP_REQUEST_FARPR) |
| 3682 | lpfc_issue_els_farpr(vport, did, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3683 | } |
| 3684 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3685 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3686 | } |
| 3687 | |
| 3688 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3689 | lpfc_els_rcv_farpr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 3690 | struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3691 | { |
| 3692 | struct lpfc_dmabuf *pcmd; |
| 3693 | uint32_t *lp; |
| 3694 | IOCB_t *icmd; |
| 3695 | uint32_t cmd, did; |
| 3696 | |
| 3697 | icmd = &cmdiocb->iocb; |
| 3698 | did = icmd->un.elsreq64.remoteID; |
| 3699 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 3700 | lp = (uint32_t *) pcmd->virt; |
| 3701 | |
| 3702 | cmd = *lp++; |
| 3703 | /* FARP-RSP received from DID <did> */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3704 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 3705 | "0600 FARP-RSP received from DID x%x\n", did); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3706 | /* ACCEPT the Farp resp request */ |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 3707 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3708 | |
| 3709 | return 0; |
| 3710 | } |
| 3711 | |
| 3712 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3713 | lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 3714 | struct lpfc_nodelist *fan_ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3715 | { |
| 3716 | struct lpfc_dmabuf *pcmd; |
| 3717 | uint32_t *lp; |
| 3718 | IOCB_t *icmd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3719 | uint32_t cmd, did; |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3720 | FAN *fp; |
| 3721 | struct lpfc_nodelist *ndlp, *next_ndlp; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3722 | struct lpfc_hba *phba = vport->phba; |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3723 | |
| 3724 | /* FAN received */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3725 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 3726 | "0265 FAN received\n"); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3727 | icmd = &cmdiocb->iocb; |
| 3728 | did = icmd->un.elsreq64.remoteID; |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3729 | pcmd = (struct lpfc_dmabuf *)cmdiocb->context2; |
| 3730 | lp = (uint32_t *)pcmd->virt; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3731 | |
| 3732 | cmd = *lp++; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3733 | fp = (FAN *) lp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3734 | |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3735 | /* FAN received; Fan does not have a reply sequence */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3736 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3737 | if (phba->pport->port_state == LPFC_LOCAL_CFG_LINK) { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3738 | if ((memcmp(&phba->fc_fabparam.nodeName, &fp->FnodeName, |
| 3739 | sizeof(struct lpfc_name)) != 0) || |
| 3740 | (memcmp(&phba->fc_fabparam.portName, &fp->FportName, |
| 3741 | sizeof(struct lpfc_name)) != 0)) { |
| 3742 | /* |
| 3743 | * This node has switched fabrics. FLOGI is required |
| 3744 | * Clean up the old rpi's |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3745 | */ |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3746 | |
| 3747 | list_for_each_entry_safe(ndlp, next_ndlp, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3748 | &vport->fc_nodes, nlp_listp) { |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 3749 | if (!NLP_CHK_NODE_ACT(ndlp)) |
| 3750 | continue; |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 3751 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) |
| 3752 | continue; |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3753 | if (ndlp->nlp_type & NLP_FABRIC) { |
| 3754 | /* |
| 3755 | * Clean up old Fabric, Nameserver and |
| 3756 | * other NLP_FABRIC logins |
| 3757 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3758 | lpfc_drop_node(vport, ndlp); |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 3759 | |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 3760 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3761 | /* Fail outstanding I/O now since this |
| 3762 | * device is marked for PLOGI |
| 3763 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3764 | lpfc_unreg_rpi(vport, ndlp); |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3765 | } |
| 3766 | } |
| 3767 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3768 | lpfc_initial_flogi(vport); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3769 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3770 | } |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3771 | /* Discovery not needed, |
| 3772 | * move the nodes to their original state. |
| 3773 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3774 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 3775 | nlp_listp) { |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 3776 | if (!NLP_CHK_NODE_ACT(ndlp)) |
| 3777 | continue; |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 3778 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) |
| 3779 | continue; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3780 | |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3781 | switch (ndlp->nlp_prev_state) { |
| 3782 | case NLP_STE_UNMAPPED_NODE: |
| 3783 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3784 | lpfc_nlp_set_state(vport, ndlp, |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3785 | NLP_STE_UNMAPPED_NODE); |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3786 | break; |
| 3787 | |
| 3788 | case NLP_STE_MAPPED_NODE: |
| 3789 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3790 | lpfc_nlp_set_state(vport, ndlp, |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3791 | NLP_STE_MAPPED_NODE); |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3792 | break; |
| 3793 | |
| 3794 | default: |
| 3795 | break; |
| 3796 | } |
| 3797 | } |
| 3798 | |
| 3799 | /* Start discovery - this should just do CLEAR_LA */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3800 | lpfc_disc_start(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3801 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3802 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3803 | } |
| 3804 | |
| 3805 | void |
| 3806 | lpfc_els_timeout(unsigned long ptr) |
| 3807 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3808 | struct lpfc_vport *vport = (struct lpfc_vport *) ptr; |
| 3809 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3810 | unsigned long iflag; |
| 3811 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3812 | spin_lock_irqsave(&vport->work_port_lock, iflag); |
| 3813 | if ((vport->work_port_events & WORKER_ELS_TMO) == 0) { |
| 3814 | vport->work_port_events |= WORKER_ELS_TMO; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3815 | spin_unlock_irqrestore(&vport->work_port_lock, iflag); |
| 3816 | |
| 3817 | spin_lock_irqsave(&phba->hbalock, iflag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3818 | if (phba->work_wait) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3819 | lpfc_worker_wake_up(phba); |
| 3820 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3821 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3822 | else |
| 3823 | spin_unlock_irqrestore(&vport->work_port_lock, iflag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3824 | return; |
| 3825 | } |
| 3826 | |
| 3827 | void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3828 | lpfc_els_timeout_handler(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3829 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3830 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3831 | struct lpfc_sli_ring *pring; |
| 3832 | struct lpfc_iocbq *tmp_iocb, *piocb; |
| 3833 | IOCB_t *cmd = NULL; |
| 3834 | struct lpfc_dmabuf *pcmd; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3835 | uint32_t els_command = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3836 | uint32_t timeout; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3837 | uint32_t remote_ID = 0xffffffff; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3838 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3839 | /* If the timer is already canceled do nothing */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3840 | if ((vport->work_port_events & WORKER_ELS_TMO) == 0) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3841 | return; |
| 3842 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3843 | spin_lock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3844 | timeout = (uint32_t)(phba->fc_ratov << 1); |
| 3845 | |
| 3846 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3847 | |
| 3848 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { |
| 3849 | cmd = &piocb->iocb; |
| 3850 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3851 | if ((piocb->iocb_flag & LPFC_IO_LIBDFC) != 0 || |
| 3852 | piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || |
| 3853 | piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3854 | continue; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3855 | |
| 3856 | if (piocb->vport != vport) |
| 3857 | continue; |
| 3858 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3859 | pcmd = (struct lpfc_dmabuf *) piocb->context2; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3860 | if (pcmd) |
| 3861 | els_command = *(uint32_t *) (pcmd->virt); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3862 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3863 | if (els_command == ELS_CMD_FARP || |
| 3864 | els_command == ELS_CMD_FARPR || |
| 3865 | els_command == ELS_CMD_FDISC) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3866 | continue; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3867 | |
| 3868 | if (vport != piocb->vport) |
| 3869 | continue; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3870 | |
| 3871 | if (piocb->drvrTimeout > 0) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3872 | if (piocb->drvrTimeout >= timeout) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3873 | piocb->drvrTimeout -= timeout; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3874 | else |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3875 | piocb->drvrTimeout = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3876 | continue; |
| 3877 | } |
| 3878 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3879 | remote_ID = 0xffffffff; |
| 3880 | if (cmd->ulpCommand != CMD_GEN_REQUEST64_CR) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3881 | remote_ID = cmd->un.elsreq64.remoteID; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3882 | else { |
| 3883 | struct lpfc_nodelist *ndlp; |
| 3884 | ndlp = __lpfc_findnode_rpi(vport, cmd->ulpContext); |
| 3885 | if (ndlp) |
| 3886 | remote_ID = ndlp->nlp_DID; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3887 | } |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3888 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
| 3889 | "0127 ELS timeout Data: x%x x%x x%x " |
| 3890 | "x%x\n", els_command, |
| 3891 | remote_ID, cmd->ulpCommand, cmd->ulpIoTag); |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame] | 3892 | lpfc_sli_issue_abort_iotag(phba, pring, piocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3893 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3894 | spin_unlock_irq(&phba->hbalock); |
James Smart | 5a0e326 | 2006-07-06 15:49:16 -0400 | [diff] [blame] | 3895 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3896 | if (phba->sli.ring[LPFC_ELS_RING].txcmplq_cnt) |
| 3897 | mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3898 | } |
| 3899 | |
| 3900 | void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3901 | lpfc_els_flush_cmd(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3902 | { |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3903 | LIST_HEAD(completions); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3904 | struct lpfc_hba *phba = vport->phba; |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3905 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3906 | struct lpfc_iocbq *tmp_iocb, *piocb; |
| 3907 | IOCB_t *cmd = NULL; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3908 | |
| 3909 | lpfc_fabric_abort_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3910 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3911 | spin_lock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3912 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) { |
| 3913 | cmd = &piocb->iocb; |
| 3914 | |
| 3915 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) { |
| 3916 | continue; |
| 3917 | } |
| 3918 | |
| 3919 | /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */ |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3920 | if (cmd->ulpCommand == CMD_QUE_RING_BUF_CN || |
| 3921 | cmd->ulpCommand == CMD_QUE_RING_BUF64_CN || |
| 3922 | cmd->ulpCommand == CMD_CLOSE_XRI_CN || |
| 3923 | cmd->ulpCommand == CMD_ABORT_XRI_CN) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3924 | continue; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3925 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3926 | if (piocb->vport != vport) |
| 3927 | continue; |
| 3928 | |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3929 | list_move_tail(&piocb->list, &completions); |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 3930 | pring->txq_cnt--; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3931 | } |
| 3932 | |
| 3933 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3934 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) { |
| 3935 | continue; |
| 3936 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3937 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3938 | if (piocb->vport != vport) |
| 3939 | continue; |
| 3940 | |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame] | 3941 | lpfc_sli_issue_abort_iotag(phba, pring, piocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3942 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3943 | spin_unlock_irq(&phba->hbalock); |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3944 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3945 | while (!list_empty(&completions)) { |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3946 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); |
| 3947 | cmd = &piocb->iocb; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3948 | list_del_init(&piocb->list); |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3949 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3950 | if (!piocb->iocb_cmpl) |
| 3951 | lpfc_sli_release_iocbq(phba, piocb); |
| 3952 | else { |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3953 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 3954 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 3955 | (piocb->iocb_cmpl) (phba, piocb, piocb); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3956 | } |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3957 | } |
| 3958 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3959 | return; |
| 3960 | } |
| 3961 | |
James Smart | 549e55c | 2007-08-02 11:09:51 -0400 | [diff] [blame] | 3962 | void |
| 3963 | lpfc_els_flush_all_cmd(struct lpfc_hba *phba) |
| 3964 | { |
| 3965 | LIST_HEAD(completions); |
| 3966 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
| 3967 | struct lpfc_iocbq *tmp_iocb, *piocb; |
| 3968 | IOCB_t *cmd = NULL; |
| 3969 | |
| 3970 | lpfc_fabric_abort_hba(phba); |
| 3971 | spin_lock_irq(&phba->hbalock); |
| 3972 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) { |
| 3973 | cmd = &piocb->iocb; |
| 3974 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) |
| 3975 | continue; |
| 3976 | /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */ |
| 3977 | if (cmd->ulpCommand == CMD_QUE_RING_BUF_CN || |
| 3978 | cmd->ulpCommand == CMD_QUE_RING_BUF64_CN || |
| 3979 | cmd->ulpCommand == CMD_CLOSE_XRI_CN || |
| 3980 | cmd->ulpCommand == CMD_ABORT_XRI_CN) |
| 3981 | continue; |
| 3982 | list_move_tail(&piocb->list, &completions); |
| 3983 | pring->txq_cnt--; |
| 3984 | } |
| 3985 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { |
| 3986 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) |
| 3987 | continue; |
| 3988 | lpfc_sli_issue_abort_iotag(phba, pring, piocb); |
| 3989 | } |
| 3990 | spin_unlock_irq(&phba->hbalock); |
| 3991 | while (!list_empty(&completions)) { |
| 3992 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); |
| 3993 | cmd = &piocb->iocb; |
| 3994 | list_del_init(&piocb->list); |
| 3995 | if (!piocb->iocb_cmpl) |
| 3996 | lpfc_sli_release_iocbq(phba, piocb); |
| 3997 | else { |
| 3998 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 3999 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 4000 | (piocb->iocb_cmpl) (phba, piocb, piocb); |
| 4001 | } |
| 4002 | } |
| 4003 | return; |
| 4004 | } |
| 4005 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 4006 | static void |
| 4007 | lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4008 | struct lpfc_vport *vport, struct lpfc_iocbq *elsiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4009 | { |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 4010 | struct Scsi_Host *shost; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4011 | struct lpfc_nodelist *ndlp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4012 | struct ls_rjt stat; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4013 | uint32_t *payload; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4014 | uint32_t cmd, did, newnode, rjt_err = 0; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 4015 | IOCB_t *icmd = &elsiocb->iocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4016 | |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 4017 | if (!vport || !(elsiocb->context2)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4018 | goto dropit; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4019 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4020 | newnode = 0; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4021 | payload = ((struct lpfc_dmabuf *)elsiocb->context2)->virt; |
| 4022 | cmd = *payload; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 4023 | if ((phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) == 0) |
| 4024 | lpfc_post_buffer(phba, pring, 1, 1); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4025 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4026 | did = icmd->un.rcvels.remoteID; |
| 4027 | if (icmd->ulpStatus) { |
| 4028 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
| 4029 | "RCV Unsol ELS: status:x%x/x%x did:x%x", |
| 4030 | icmd->ulpStatus, icmd->un.ulpWord[4], did); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4031 | goto dropit; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4032 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4033 | |
| 4034 | /* Check to see if link went down during discovery */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 4035 | if (lpfc_els_chk_latt(vport)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4036 | goto dropit; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4037 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4038 | /* Ignore traffic recevied during vport shutdown. */ |
| 4039 | if (vport->load_flag & FC_UNLOADING) |
| 4040 | goto dropit; |
| 4041 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4042 | ndlp = lpfc_findnode_did(vport, did); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 4043 | if (!ndlp) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4044 | /* Cannot find existing Fabric ndlp, so allocate a new one */ |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 4045 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 4046 | if (!ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4047 | goto dropit; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4048 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4049 | lpfc_nlp_init(vport, ndlp, did); |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 4050 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4051 | newnode = 1; |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 4052 | if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4053 | ndlp->nlp_type |= NLP_FABRIC; |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 4054 | } else { |
| 4055 | if (!NLP_CHK_NODE_ACT(ndlp)) { |
| 4056 | ndlp = lpfc_enable_node(vport, ndlp, |
| 4057 | NLP_STE_UNUSED_NODE); |
| 4058 | if (!ndlp) |
| 4059 | goto dropit; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4060 | } |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 4061 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) { |
| 4062 | /* This is simular to the new node path */ |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 4063 | ndlp = lpfc_nlp_get(ndlp); |
| 4064 | if (!ndlp) |
| 4065 | goto dropit; |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 4066 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
| 4067 | newnode = 1; |
| 4068 | } |
| 4069 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4070 | |
| 4071 | phba->fc_stat.elsRcvFrame++; |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 4072 | if (elsiocb->context1) |
| 4073 | lpfc_nlp_put(elsiocb->context1); |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 4074 | |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 4075 | elsiocb->context1 = lpfc_nlp_get(ndlp); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4076 | elsiocb->vport = vport; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4077 | |
| 4078 | if ((cmd & ELS_CMD_MASK) == ELS_CMD_RSCN) { |
| 4079 | cmd &= ELS_CMD_MASK; |
| 4080 | } |
| 4081 | /* ELS command <elsCmd> received from NPORT <did> */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 4082 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 4083 | "0112 ELS command x%x received from NPORT x%x " |
| 4084 | "Data: x%x\n", cmd, did, vport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4085 | switch (cmd) { |
| 4086 | case ELS_CMD_PLOGI: |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4087 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
| 4088 | "RCV PLOGI: did:x%x/ste:x%x flg:x%x", |
| 4089 | did, vport->port_state, ndlp->nlp_flag); |
| 4090 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4091 | phba->fc_stat.elsRcvPLOGI++; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4092 | ndlp = lpfc_plogi_confirm_nport(phba, payload, ndlp); |
| 4093 | |
| 4094 | if (vport->port_state < LPFC_DISC_AUTH) { |
James Smart | 1b32f6a | 2008-02-08 18:49:39 -0500 | [diff] [blame^] | 4095 | if (!(phba->pport->fc_flag & FC_PT2PT) || |
| 4096 | (phba->pport->fc_flag & FC_PT2PT_PLOGI)) { |
| 4097 | rjt_err = LSRJT_UNABLE_TPC; |
| 4098 | break; |
| 4099 | } |
| 4100 | /* We get here, and drop thru, if we are PT2PT with |
| 4101 | * another NPort and the other side has initiated |
| 4102 | * the PLOGI before responding to our FLOGI. |
| 4103 | */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4104 | } |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 4105 | |
| 4106 | shost = lpfc_shost_from_vport(vport); |
| 4107 | spin_lock_irq(shost->host_lock); |
| 4108 | ndlp->nlp_flag &= ~NLP_TARGET_REMOVE; |
| 4109 | spin_unlock_irq(shost->host_lock); |
| 4110 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4111 | lpfc_disc_state_machine(vport, ndlp, elsiocb, |
| 4112 | NLP_EVT_RCV_PLOGI); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4113 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4114 | break; |
| 4115 | case ELS_CMD_FLOGI: |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4116 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
| 4117 | "RCV FLOGI: did:x%x/ste:x%x flg:x%x", |
| 4118 | did, vport->port_state, ndlp->nlp_flag); |
| 4119 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4120 | phba->fc_stat.elsRcvFLOGI++; |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 4121 | lpfc_els_rcv_flogi(vport, elsiocb, ndlp); |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 4122 | if (newnode) |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 4123 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4124 | break; |
| 4125 | case ELS_CMD_LOGO: |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4126 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
| 4127 | "RCV LOGO: did:x%x/ste:x%x flg:x%x", |
| 4128 | did, vport->port_state, ndlp->nlp_flag); |
| 4129 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4130 | phba->fc_stat.elsRcvLOGO++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4131 | if (vport->port_state < LPFC_DISC_AUTH) { |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4132 | rjt_err = LSRJT_UNABLE_TPC; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4133 | break; |
| 4134 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4135 | lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_LOGO); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4136 | break; |
| 4137 | case ELS_CMD_PRLO: |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4138 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
| 4139 | "RCV PRLO: did:x%x/ste:x%x flg:x%x", |
| 4140 | did, vport->port_state, ndlp->nlp_flag); |
| 4141 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4142 | phba->fc_stat.elsRcvPRLO++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4143 | if (vport->port_state < LPFC_DISC_AUTH) { |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4144 | rjt_err = LSRJT_UNABLE_TPC; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4145 | break; |
| 4146 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4147 | lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLO); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4148 | break; |
| 4149 | case ELS_CMD_RSCN: |
| 4150 | phba->fc_stat.elsRcvRSCN++; |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 4151 | lpfc_els_rcv_rscn(vport, elsiocb, ndlp); |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 4152 | if (newnode) |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 4153 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4154 | break; |
| 4155 | case ELS_CMD_ADISC: |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4156 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
| 4157 | "RCV ADISC: did:x%x/ste:x%x flg:x%x", |
| 4158 | did, vport->port_state, ndlp->nlp_flag); |
| 4159 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4160 | phba->fc_stat.elsRcvADISC++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4161 | if (vport->port_state < LPFC_DISC_AUTH) { |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4162 | rjt_err = LSRJT_UNABLE_TPC; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4163 | break; |
| 4164 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4165 | lpfc_disc_state_machine(vport, ndlp, elsiocb, |
| 4166 | NLP_EVT_RCV_ADISC); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4167 | break; |
| 4168 | case ELS_CMD_PDISC: |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4169 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
| 4170 | "RCV PDISC: did:x%x/ste:x%x flg:x%x", |
| 4171 | did, vport->port_state, ndlp->nlp_flag); |
| 4172 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4173 | phba->fc_stat.elsRcvPDISC++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4174 | if (vport->port_state < LPFC_DISC_AUTH) { |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4175 | rjt_err = LSRJT_UNABLE_TPC; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4176 | break; |
| 4177 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4178 | lpfc_disc_state_machine(vport, ndlp, elsiocb, |
| 4179 | NLP_EVT_RCV_PDISC); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4180 | break; |
| 4181 | case ELS_CMD_FARPR: |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4182 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
| 4183 | "RCV FARPR: did:x%x/ste:x%x flg:x%x", |
| 4184 | did, vport->port_state, ndlp->nlp_flag); |
| 4185 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4186 | phba->fc_stat.elsRcvFARPR++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4187 | lpfc_els_rcv_farpr(vport, elsiocb, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4188 | break; |
| 4189 | case ELS_CMD_FARP: |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4190 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
| 4191 | "RCV FARP: did:x%x/ste:x%x flg:x%x", |
| 4192 | did, vport->port_state, ndlp->nlp_flag); |
| 4193 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4194 | phba->fc_stat.elsRcvFARP++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4195 | lpfc_els_rcv_farp(vport, elsiocb, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4196 | break; |
| 4197 | case ELS_CMD_FAN: |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4198 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
| 4199 | "RCV FAN: did:x%x/ste:x%x flg:x%x", |
| 4200 | did, vport->port_state, ndlp->nlp_flag); |
| 4201 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4202 | phba->fc_stat.elsRcvFAN++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4203 | lpfc_els_rcv_fan(vport, elsiocb, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4204 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4205 | case ELS_CMD_PRLI: |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4206 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
| 4207 | "RCV PRLI: did:x%x/ste:x%x flg:x%x", |
| 4208 | did, vport->port_state, ndlp->nlp_flag); |
| 4209 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4210 | phba->fc_stat.elsRcvPRLI++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4211 | if (vport->port_state < LPFC_DISC_AUTH) { |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4212 | rjt_err = LSRJT_UNABLE_TPC; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4213 | break; |
| 4214 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4215 | lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLI); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4216 | break; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 4217 | case ELS_CMD_LIRR: |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4218 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
| 4219 | "RCV LIRR: did:x%x/ste:x%x flg:x%x", |
| 4220 | did, vport->port_state, ndlp->nlp_flag); |
| 4221 | |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 4222 | phba->fc_stat.elsRcvLIRR++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4223 | lpfc_els_rcv_lirr(vport, elsiocb, ndlp); |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 4224 | if (newnode) |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 4225 | lpfc_nlp_put(ndlp); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 4226 | break; |
| 4227 | case ELS_CMD_RPS: |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4228 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
| 4229 | "RCV RPS: did:x%x/ste:x%x flg:x%x", |
| 4230 | did, vport->port_state, ndlp->nlp_flag); |
| 4231 | |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 4232 | phba->fc_stat.elsRcvRPS++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4233 | lpfc_els_rcv_rps(vport, elsiocb, ndlp); |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 4234 | if (newnode) |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 4235 | lpfc_nlp_put(ndlp); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 4236 | break; |
| 4237 | case ELS_CMD_RPL: |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4238 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
| 4239 | "RCV RPL: did:x%x/ste:x%x flg:x%x", |
| 4240 | did, vport->port_state, ndlp->nlp_flag); |
| 4241 | |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 4242 | phba->fc_stat.elsRcvRPL++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4243 | lpfc_els_rcv_rpl(vport, elsiocb, ndlp); |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 4244 | if (newnode) |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 4245 | lpfc_nlp_put(ndlp); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 4246 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4247 | case ELS_CMD_RNID: |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4248 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
| 4249 | "RCV RNID: did:x%x/ste:x%x flg:x%x", |
| 4250 | did, vport->port_state, ndlp->nlp_flag); |
| 4251 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4252 | phba->fc_stat.elsRcvRNID++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4253 | lpfc_els_rcv_rnid(vport, elsiocb, ndlp); |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 4254 | if (newnode) |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 4255 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4256 | break; |
| 4257 | default: |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4258 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
| 4259 | "RCV ELS cmd: cmd:x%x did:x%x/ste:x%x", |
| 4260 | cmd, did, vport->port_state); |
| 4261 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4262 | /* Unsupported ELS command, reject */ |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4263 | rjt_err = LSRJT_INVALID_CMD; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4264 | |
| 4265 | /* Unknown ELS command <elsCmd> received from NPORT <did> */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 4266 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
| 4267 | "0115 Unknown ELS command x%x " |
| 4268 | "received from NPORT x%x\n", cmd, did); |
James Smart | 87af33f | 2007-10-27 13:37:43 -0400 | [diff] [blame] | 4269 | if (newnode) |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 4270 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4271 | break; |
| 4272 | } |
| 4273 | |
| 4274 | /* check if need to LS_RJT received ELS cmd */ |
| 4275 | if (rjt_err) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4276 | memset(&stat, 0, sizeof(stat)); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4277 | stat.un.b.lsRjtRsnCode = rjt_err; |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 4278 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4279 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, elsiocb, ndlp, |
| 4280 | NULL); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4281 | } |
| 4282 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 4283 | return; |
| 4284 | |
| 4285 | dropit: |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 4286 | if (vport && !(vport->load_flag & FC_UNLOADING)) |
| 4287 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 4288 | "(%d):0111 Dropping received ELS cmd " |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 4289 | "Data: x%x x%x x%x\n", |
James Smart | 98c9ea5 | 2007-10-27 13:37:33 -0400 | [diff] [blame] | 4290 | vport->vpi, icmd->ulpStatus, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 4291 | icmd->un.ulpWord[4], icmd->ulpTimeout); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 4292 | phba->fc_stat.elsRcvDrop++; |
| 4293 | } |
| 4294 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4295 | static struct lpfc_vport * |
| 4296 | lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi) |
| 4297 | { |
| 4298 | struct lpfc_vport *vport; |
James Smart | 549e55c | 2007-08-02 11:09:51 -0400 | [diff] [blame] | 4299 | unsigned long flags; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4300 | |
James Smart | 549e55c | 2007-08-02 11:09:51 -0400 | [diff] [blame] | 4301 | spin_lock_irqsave(&phba->hbalock, flags); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4302 | list_for_each_entry(vport, &phba->port_list, listentry) { |
James Smart | 549e55c | 2007-08-02 11:09:51 -0400 | [diff] [blame] | 4303 | if (vport->vpi == vpi) { |
| 4304 | spin_unlock_irqrestore(&phba->hbalock, flags); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4305 | return vport; |
James Smart | 549e55c | 2007-08-02 11:09:51 -0400 | [diff] [blame] | 4306 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4307 | } |
James Smart | 549e55c | 2007-08-02 11:09:51 -0400 | [diff] [blame] | 4308 | spin_unlock_irqrestore(&phba->hbalock, flags); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4309 | return NULL; |
| 4310 | } |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 4311 | |
| 4312 | void |
| 4313 | lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 4314 | struct lpfc_iocbq *elsiocb) |
| 4315 | { |
| 4316 | struct lpfc_vport *vport = phba->pport; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 4317 | IOCB_t *icmd = &elsiocb->iocb; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 4318 | dma_addr_t paddr; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4319 | struct lpfc_dmabuf *bdeBuf1 = elsiocb->context2; |
| 4320 | struct lpfc_dmabuf *bdeBuf2 = elsiocb->context3; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 4321 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4322 | elsiocb->context2 = NULL; |
| 4323 | elsiocb->context3 = NULL; |
| 4324 | |
| 4325 | if (icmd->ulpStatus == IOSTAT_NEED_BUFFER) { |
| 4326 | lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ); |
| 4327 | } else if (icmd->ulpStatus == IOSTAT_LOCAL_REJECT && |
| 4328 | (icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING) { |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 4329 | phba->fc_stat.NoRcvBuf++; |
| 4330 | /* Not enough posted buffers; Try posting more buffers */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4331 | if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 4332 | lpfc_post_buffer(phba, pring, 0, 1); |
| 4333 | return; |
| 4334 | } |
| 4335 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4336 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
| 4337 | (icmd->ulpCommand == CMD_IOCB_RCV_ELS64_CX || |
| 4338 | icmd->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) { |
| 4339 | if (icmd->unsli3.rcvsli3.vpi == 0xffff) |
| 4340 | vport = phba->pport; |
| 4341 | else { |
| 4342 | uint16_t vpi = icmd->unsli3.rcvsli3.vpi; |
| 4343 | vport = lpfc_find_vport_by_vpid(phba, vpi); |
| 4344 | } |
| 4345 | } |
| 4346 | /* If there are no BDEs associated |
| 4347 | * with this IOCB, there is nothing to do. |
| 4348 | */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 4349 | if (icmd->ulpBdeCount == 0) |
| 4350 | return; |
| 4351 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4352 | /* type of ELS cmd is first 32bit word |
| 4353 | * in packet |
| 4354 | */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 4355 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4356 | elsiocb->context2 = bdeBuf1; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 4357 | } else { |
| 4358 | paddr = getPaddr(icmd->un.cont64[0].addrHigh, |
| 4359 | icmd->un.cont64[0].addrLow); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4360 | elsiocb->context2 = lpfc_sli_ringpostbuf_get(phba, pring, |
| 4361 | paddr); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 4362 | } |
| 4363 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4364 | lpfc_els_unsol_buffer(phba, pring, vport, elsiocb); |
| 4365 | /* |
| 4366 | * The different unsolicited event handlers would tell us |
| 4367 | * if they are done with "mp" by setting context2 to NULL. |
| 4368 | */ |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 4369 | lpfc_nlp_put(elsiocb->context1); |
| 4370 | elsiocb->context1 = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4371 | if (elsiocb->context2) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4372 | lpfc_in_buf_free(phba, (struct lpfc_dmabuf *)elsiocb->context2); |
| 4373 | elsiocb->context2 = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4374 | } |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 4375 | |
| 4376 | /* RCV_ELS64_CX provide for 2 BDEs - process 2nd if included */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4377 | if ((phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) && |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 4378 | icmd->ulpBdeCount == 2) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4379 | elsiocb->context2 = bdeBuf2; |
| 4380 | lpfc_els_unsol_buffer(phba, pring, vport, elsiocb); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 4381 | /* free mp if we are done with it */ |
| 4382 | if (elsiocb->context2) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4383 | lpfc_in_buf_free(phba, elsiocb->context2); |
| 4384 | elsiocb->context2 = NULL; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 4385 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4386 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4387 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4388 | |
| 4389 | void |
| 4390 | lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport) |
| 4391 | { |
| 4392 | struct lpfc_nodelist *ndlp, *ndlp_fdmi; |
| 4393 | |
| 4394 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
| 4395 | if (!ndlp) { |
| 4396 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
| 4397 | if (!ndlp) { |
| 4398 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
| 4399 | lpfc_disc_start(vport); |
| 4400 | return; |
| 4401 | } |
| 4402 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 4403 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
| 4404 | "0251 NameServer login: no memory\n"); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4405 | return; |
| 4406 | } |
| 4407 | lpfc_nlp_init(vport, ndlp, NameServer_DID); |
| 4408 | ndlp->nlp_type |= NLP_FABRIC; |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 4409 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { |
| 4410 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); |
| 4411 | if (!ndlp) { |
| 4412 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
| 4413 | lpfc_disc_start(vport); |
| 4414 | return; |
| 4415 | } |
| 4416 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
| 4417 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
| 4418 | "0348 NameServer login: node freed\n"); |
| 4419 | return; |
| 4420 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4421 | } |
| 4422 | |
| 4423 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
| 4424 | |
| 4425 | if (lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0)) { |
| 4426 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 4427 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
| 4428 | "0252 Cannot issue NameServer login\n"); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4429 | return; |
| 4430 | } |
| 4431 | |
James Smart | 3de2a65 | 2007-08-02 11:09:59 -0400 | [diff] [blame] | 4432 | if (vport->cfg_fdmi_on) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4433 | ndlp_fdmi = mempool_alloc(phba->nlp_mem_pool, |
| 4434 | GFP_KERNEL); |
| 4435 | if (ndlp_fdmi) { |
| 4436 | lpfc_nlp_init(vport, ndlp_fdmi, FDMI_DID); |
| 4437 | ndlp_fdmi->nlp_type |= NLP_FABRIC; |
| 4438 | ndlp_fdmi->nlp_state = |
| 4439 | NLP_STE_PLOGI_ISSUE; |
| 4440 | lpfc_issue_els_plogi(vport, ndlp_fdmi->nlp_DID, |
| 4441 | 0); |
| 4442 | } |
| 4443 | } |
| 4444 | return; |
| 4445 | } |
| 4446 | |
| 4447 | static void |
| 4448 | lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
| 4449 | { |
| 4450 | struct lpfc_vport *vport = pmb->vport; |
| 4451 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 4452 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; |
| 4453 | MAILBOX_t *mb = &pmb->mb; |
| 4454 | |
James Smart | 0937282 | 2008-01-11 01:52:54 -0500 | [diff] [blame] | 4455 | spin_lock_irq(shost->host_lock); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4456 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; |
James Smart | 0937282 | 2008-01-11 01:52:54 -0500 | [diff] [blame] | 4457 | spin_unlock_irq(shost->host_lock); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4458 | |
| 4459 | if (mb->mbxStatus) { |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 4460 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
| 4461 | "0915 Register VPI failed: 0x%x\n", |
| 4462 | mb->mbxStatus); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4463 | |
| 4464 | switch (mb->mbxStatus) { |
| 4465 | case 0x11: /* unsupported feature */ |
| 4466 | case 0x9603: /* max_vpi exceeded */ |
| 4467 | /* giving up on vport registration */ |
| 4468 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
| 4469 | spin_lock_irq(shost->host_lock); |
| 4470 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); |
| 4471 | spin_unlock_irq(shost->host_lock); |
| 4472 | lpfc_can_disctmo(vport); |
| 4473 | break; |
| 4474 | default: |
| 4475 | /* Try to recover from this error */ |
| 4476 | lpfc_mbx_unreg_vpi(vport); |
James Smart | 0937282 | 2008-01-11 01:52:54 -0500 | [diff] [blame] | 4477 | spin_lock_irq(shost->host_lock); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4478 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
James Smart | 0937282 | 2008-01-11 01:52:54 -0500 | [diff] [blame] | 4479 | spin_unlock_irq(shost->host_lock); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4480 | lpfc_initial_fdisc(vport); |
| 4481 | break; |
| 4482 | } |
| 4483 | |
| 4484 | } else { |
| 4485 | if (vport == phba->pport) |
| 4486 | lpfc_issue_fabric_reglogin(vport); |
| 4487 | else |
| 4488 | lpfc_do_scr_ns_plogi(phba, vport); |
| 4489 | } |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 4490 | |
| 4491 | /* Now, we decrement the ndlp reference count held for this |
| 4492 | * callback function |
| 4493 | */ |
| 4494 | lpfc_nlp_put(ndlp); |
| 4495 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4496 | mempool_free(pmb, phba->mbox_mem_pool); |
| 4497 | return; |
| 4498 | } |
| 4499 | |
Adrian Bunk | a6ababd | 2007-11-05 18:07:33 +0100 | [diff] [blame] | 4500 | static void |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4501 | lpfc_register_new_vport(struct lpfc_hba *phba, struct lpfc_vport *vport, |
| 4502 | struct lpfc_nodelist *ndlp) |
| 4503 | { |
James Smart | 0937282 | 2008-01-11 01:52:54 -0500 | [diff] [blame] | 4504 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4505 | LPFC_MBOXQ_t *mbox; |
| 4506 | |
| 4507 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 4508 | if (mbox) { |
| 4509 | lpfc_reg_vpi(phba, vport->vpi, vport->fc_myDID, mbox); |
| 4510 | mbox->vport = vport; |
| 4511 | mbox->context2 = lpfc_nlp_get(ndlp); |
| 4512 | mbox->mbox_cmpl = lpfc_cmpl_reg_new_vport; |
James Smart | 0b727fe | 2007-10-27 13:37:25 -0400 | [diff] [blame] | 4513 | if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4514 | == MBX_NOT_FINISHED) { |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 4515 | /* mailbox command not success, decrement ndlp |
| 4516 | * reference count for this command |
| 4517 | */ |
| 4518 | lpfc_nlp_put(ndlp); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4519 | mempool_free(mbox, phba->mbox_mem_pool); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4520 | |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 4521 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
| 4522 | "0253 Register VPI: Can't send mbox\n"); |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 4523 | goto mbox_err_exit; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4524 | } |
| 4525 | } else { |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 4526 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
| 4527 | "0254 Register VPI: no memory\n"); |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 4528 | goto mbox_err_exit; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4529 | } |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 4530 | return; |
| 4531 | |
| 4532 | mbox_err_exit: |
| 4533 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
| 4534 | spin_lock_irq(shost->host_lock); |
| 4535 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; |
| 4536 | spin_unlock_irq(shost->host_lock); |
| 4537 | return; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4538 | } |
| 4539 | |
| 4540 | static void |
| 4541 | lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 4542 | struct lpfc_iocbq *rspiocb) |
| 4543 | { |
| 4544 | struct lpfc_vport *vport = cmdiocb->vport; |
| 4545 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 4546 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| 4547 | struct lpfc_nodelist *np; |
| 4548 | struct lpfc_nodelist *next_np; |
| 4549 | IOCB_t *irsp = &rspiocb->iocb; |
| 4550 | struct lpfc_iocbq *piocb; |
| 4551 | |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 4552 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
| 4553 | "0123 FDISC completes. x%x/x%x prevDID: x%x\n", |
| 4554 | irsp->ulpStatus, irsp->un.ulpWord[4], |
| 4555 | vport->fc_prevDID); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4556 | /* Since all FDISCs are being single threaded, we |
| 4557 | * must reset the discovery timer for ALL vports |
| 4558 | * waiting to send FDISC when one completes. |
| 4559 | */ |
| 4560 | list_for_each_entry(piocb, &phba->fabric_iocb_list, list) { |
| 4561 | lpfc_set_disctmo(piocb->vport); |
| 4562 | } |
| 4563 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4564 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
| 4565 | "FDISC cmpl: status:x%x/x%x prevdid:x%x", |
| 4566 | irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_prevDID); |
| 4567 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4568 | if (irsp->ulpStatus) { |
| 4569 | /* Check for retry */ |
| 4570 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) |
| 4571 | goto out; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4572 | /* FDISC failed */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 4573 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
| 4574 | "0124 FDISC failed. (%d/%d)\n", |
| 4575 | irsp->ulpStatus, irsp->un.ulpWord[4]); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4576 | if (vport->fc_vport->vport_state == FC_VPORT_INITIALIZING) |
| 4577 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4578 | lpfc_nlp_put(ndlp); |
| 4579 | /* giving up on FDISC. Cancel discovery timer */ |
| 4580 | lpfc_can_disctmo(vport); |
| 4581 | } else { |
| 4582 | spin_lock_irq(shost->host_lock); |
| 4583 | vport->fc_flag |= FC_FABRIC; |
| 4584 | if (vport->phba->fc_topology == TOPOLOGY_LOOP) |
| 4585 | vport->fc_flag |= FC_PUBLIC_LOOP; |
| 4586 | spin_unlock_irq(shost->host_lock); |
| 4587 | |
| 4588 | vport->fc_myDID = irsp->un.ulpWord[4] & Mask_DID; |
| 4589 | lpfc_vport_set_state(vport, FC_VPORT_ACTIVE); |
| 4590 | if ((vport->fc_prevDID != vport->fc_myDID) && |
| 4591 | !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) { |
| 4592 | /* If our NportID changed, we need to ensure all |
| 4593 | * remaining NPORTs get unreg_login'ed so we can |
| 4594 | * issue unreg_vpi. |
| 4595 | */ |
| 4596 | list_for_each_entry_safe(np, next_np, |
| 4597 | &vport->fc_nodes, nlp_listp) { |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 4598 | if (!NLP_CHK_NODE_ACT(ndlp) || |
| 4599 | (np->nlp_state != NLP_STE_NPR_NODE) || |
| 4600 | !(np->nlp_flag & NLP_NPR_ADISC)) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4601 | continue; |
| 4602 | spin_lock_irq(shost->host_lock); |
| 4603 | np->nlp_flag &= ~NLP_NPR_ADISC; |
| 4604 | spin_unlock_irq(shost->host_lock); |
| 4605 | lpfc_unreg_rpi(vport, np); |
| 4606 | } |
| 4607 | lpfc_mbx_unreg_vpi(vport); |
James Smart | 0937282 | 2008-01-11 01:52:54 -0500 | [diff] [blame] | 4608 | spin_lock_irq(shost->host_lock); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4609 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
James Smart | 0937282 | 2008-01-11 01:52:54 -0500 | [diff] [blame] | 4610 | spin_unlock_irq(shost->host_lock); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4611 | } |
| 4612 | |
| 4613 | if (vport->fc_flag & FC_VPORT_NEEDS_REG_VPI) |
| 4614 | lpfc_register_new_vport(phba, vport, ndlp); |
| 4615 | else |
| 4616 | lpfc_do_scr_ns_plogi(phba, vport); |
| 4617 | |
James Smart | fa4066b | 2008-01-11 01:53:27 -0500 | [diff] [blame] | 4618 | /* Unconditionaly kick off releasing fabric node for vports */ |
| 4619 | lpfc_nlp_put(ndlp); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4620 | } |
| 4621 | |
| 4622 | out: |
| 4623 | lpfc_els_free_iocb(phba, cmdiocb); |
| 4624 | } |
| 4625 | |
Adrian Bunk | a6ababd | 2007-11-05 18:07:33 +0100 | [diff] [blame] | 4626 | static int |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4627 | lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
| 4628 | uint8_t retry) |
| 4629 | { |
| 4630 | struct lpfc_hba *phba = vport->phba; |
| 4631 | IOCB_t *icmd; |
| 4632 | struct lpfc_iocbq *elsiocb; |
| 4633 | struct serv_parm *sp; |
| 4634 | uint8_t *pcmd; |
| 4635 | uint16_t cmdsize; |
| 4636 | int did = ndlp->nlp_DID; |
| 4637 | int rc; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4638 | |
| 4639 | cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm)); |
| 4640 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, did, |
| 4641 | ELS_CMD_FDISC); |
| 4642 | if (!elsiocb) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4643 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 4644 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
| 4645 | "0255 Issue FDISC: no IOCB\n"); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4646 | return 1; |
| 4647 | } |
| 4648 | |
| 4649 | icmd = &elsiocb->iocb; |
| 4650 | icmd->un.elsreq64.myID = 0; |
| 4651 | icmd->un.elsreq64.fl = 1; |
| 4652 | |
| 4653 | /* For FDISC, Let FDISC rsp set the NPortID for this VPI */ |
| 4654 | icmd->ulpCt_h = 1; |
| 4655 | icmd->ulpCt_l = 0; |
| 4656 | |
| 4657 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 4658 | *((uint32_t *) (pcmd)) = ELS_CMD_FDISC; |
| 4659 | pcmd += sizeof(uint32_t); /* CSP Word 1 */ |
| 4660 | memcpy(pcmd, &vport->phba->pport->fc_sparam, sizeof(struct serv_parm)); |
| 4661 | sp = (struct serv_parm *) pcmd; |
| 4662 | /* Setup CSPs accordingly for Fabric */ |
| 4663 | sp->cmn.e_d_tov = 0; |
| 4664 | sp->cmn.w2.r_a_tov = 0; |
| 4665 | sp->cls1.classValid = 0; |
| 4666 | sp->cls2.seqDelivery = 1; |
| 4667 | sp->cls3.seqDelivery = 1; |
| 4668 | |
| 4669 | pcmd += sizeof(uint32_t); /* CSP Word 2 */ |
| 4670 | pcmd += sizeof(uint32_t); /* CSP Word 3 */ |
| 4671 | pcmd += sizeof(uint32_t); /* CSP Word 4 */ |
| 4672 | pcmd += sizeof(uint32_t); /* Port Name */ |
| 4673 | memcpy(pcmd, &vport->fc_portname, 8); |
| 4674 | pcmd += sizeof(uint32_t); /* Node Name */ |
| 4675 | pcmd += sizeof(uint32_t); /* Node Name */ |
| 4676 | memcpy(pcmd, &vport->fc_nodename, 8); |
| 4677 | |
| 4678 | lpfc_set_disctmo(vport); |
| 4679 | |
| 4680 | phba->fc_stat.elsXmitFDISC++; |
| 4681 | elsiocb->iocb_cmpl = lpfc_cmpl_els_fdisc; |
| 4682 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4683 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
| 4684 | "Issue FDISC: did:x%x", |
| 4685 | did, 0, 0); |
| 4686 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4687 | rc = lpfc_issue_fabric_iocb(phba, elsiocb); |
| 4688 | if (rc == IOCB_ERROR) { |
| 4689 | lpfc_els_free_iocb(phba, elsiocb); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4690 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 4691 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
| 4692 | "0256 Issue FDISC: Cannot send IOCB\n"); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4693 | return 1; |
| 4694 | } |
| 4695 | lpfc_vport_set_state(vport, FC_VPORT_INITIALIZING); |
| 4696 | vport->port_state = LPFC_FDISC; |
| 4697 | return 0; |
| 4698 | } |
| 4699 | |
| 4700 | static void |
| 4701 | lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 4702 | struct lpfc_iocbq *rspiocb) |
| 4703 | { |
| 4704 | struct lpfc_vport *vport = cmdiocb->vport; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4705 | IOCB_t *irsp; |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 4706 | struct lpfc_nodelist *ndlp; |
| 4707 | ndlp = (struct lpfc_nodelist *)cmdiocb->context1; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4708 | |
| 4709 | irsp = &rspiocb->iocb; |
| 4710 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
| 4711 | "LOGO npiv cmpl: status:x%x/x%x did:x%x", |
| 4712 | irsp->ulpStatus, irsp->un.ulpWord[4], irsp->un.rcvels.remoteID); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4713 | |
| 4714 | lpfc_els_free_iocb(phba, cmdiocb); |
| 4715 | vport->unreg_vpi_cmpl = VPORT_ERROR; |
James Smart | e47c909 | 2008-02-08 18:49:26 -0500 | [diff] [blame] | 4716 | |
| 4717 | /* Trigger the release of the ndlp after logo */ |
| 4718 | lpfc_nlp_put(ndlp); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4719 | } |
| 4720 | |
| 4721 | int |
| 4722 | lpfc_issue_els_npiv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
| 4723 | { |
| 4724 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 4725 | struct lpfc_hba *phba = vport->phba; |
| 4726 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
| 4727 | IOCB_t *icmd; |
| 4728 | struct lpfc_iocbq *elsiocb; |
| 4729 | uint8_t *pcmd; |
| 4730 | uint16_t cmdsize; |
| 4731 | |
| 4732 | cmdsize = 2 * sizeof(uint32_t) + sizeof(struct lpfc_name); |
| 4733 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, 0, ndlp, ndlp->nlp_DID, |
| 4734 | ELS_CMD_LOGO); |
| 4735 | if (!elsiocb) |
| 4736 | return 1; |
| 4737 | |
| 4738 | icmd = &elsiocb->iocb; |
| 4739 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 4740 | *((uint32_t *) (pcmd)) = ELS_CMD_LOGO; |
| 4741 | pcmd += sizeof(uint32_t); |
| 4742 | |
| 4743 | /* Fill in LOGO payload */ |
| 4744 | *((uint32_t *) (pcmd)) = be32_to_cpu(vport->fc_myDID); |
| 4745 | pcmd += sizeof(uint32_t); |
| 4746 | memcpy(pcmd, &vport->fc_portname, sizeof(struct lpfc_name)); |
| 4747 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4748 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
| 4749 | "Issue LOGO npiv did:x%x flg:x%x", |
| 4750 | ndlp->nlp_DID, ndlp->nlp_flag, 0); |
| 4751 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4752 | elsiocb->iocb_cmpl = lpfc_cmpl_els_npiv_logo; |
| 4753 | spin_lock_irq(shost->host_lock); |
| 4754 | ndlp->nlp_flag |= NLP_LOGO_SND; |
| 4755 | spin_unlock_irq(shost->host_lock); |
| 4756 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
| 4757 | spin_lock_irq(shost->host_lock); |
| 4758 | ndlp->nlp_flag &= ~NLP_LOGO_SND; |
| 4759 | spin_unlock_irq(shost->host_lock); |
| 4760 | lpfc_els_free_iocb(phba, elsiocb); |
| 4761 | return 1; |
| 4762 | } |
| 4763 | return 0; |
| 4764 | } |
| 4765 | |
| 4766 | void |
| 4767 | lpfc_fabric_block_timeout(unsigned long ptr) |
| 4768 | { |
| 4769 | struct lpfc_hba *phba = (struct lpfc_hba *) ptr; |
| 4770 | unsigned long iflags; |
| 4771 | uint32_t tmo_posted; |
| 4772 | spin_lock_irqsave(&phba->pport->work_port_lock, iflags); |
| 4773 | tmo_posted = phba->pport->work_port_events & WORKER_FABRIC_BLOCK_TMO; |
| 4774 | if (!tmo_posted) |
| 4775 | phba->pport->work_port_events |= WORKER_FABRIC_BLOCK_TMO; |
| 4776 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflags); |
| 4777 | |
| 4778 | if (!tmo_posted) { |
| 4779 | spin_lock_irqsave(&phba->hbalock, iflags); |
| 4780 | if (phba->work_wait) |
| 4781 | lpfc_worker_wake_up(phba); |
| 4782 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
| 4783 | } |
| 4784 | } |
| 4785 | |
| 4786 | static void |
| 4787 | lpfc_resume_fabric_iocbs(struct lpfc_hba *phba) |
| 4788 | { |
| 4789 | struct lpfc_iocbq *iocb; |
| 4790 | unsigned long iflags; |
| 4791 | int ret; |
| 4792 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
| 4793 | IOCB_t *cmd; |
| 4794 | |
| 4795 | repeat: |
| 4796 | iocb = NULL; |
| 4797 | spin_lock_irqsave(&phba->hbalock, iflags); |
| 4798 | /* Post any pending iocb to the SLI layer */ |
| 4799 | if (atomic_read(&phba->fabric_iocb_count) == 0) { |
| 4800 | list_remove_head(&phba->fabric_iocb_list, iocb, typeof(*iocb), |
| 4801 | list); |
| 4802 | if (iocb) |
| 4803 | atomic_inc(&phba->fabric_iocb_count); |
| 4804 | } |
| 4805 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
| 4806 | if (iocb) { |
| 4807 | iocb->fabric_iocb_cmpl = iocb->iocb_cmpl; |
| 4808 | iocb->iocb_cmpl = lpfc_cmpl_fabric_iocb; |
| 4809 | iocb->iocb_flag |= LPFC_IO_FABRIC; |
| 4810 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4811 | lpfc_debugfs_disc_trc(iocb->vport, LPFC_DISC_TRC_ELS_CMD, |
| 4812 | "Fabric sched1: ste:x%x", |
| 4813 | iocb->vport->port_state, 0, 0); |
| 4814 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4815 | ret = lpfc_sli_issue_iocb(phba, pring, iocb, 0); |
| 4816 | |
| 4817 | if (ret == IOCB_ERROR) { |
| 4818 | iocb->iocb_cmpl = iocb->fabric_iocb_cmpl; |
| 4819 | iocb->fabric_iocb_cmpl = NULL; |
| 4820 | iocb->iocb_flag &= ~LPFC_IO_FABRIC; |
| 4821 | cmd = &iocb->iocb; |
| 4822 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 4823 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 4824 | iocb->iocb_cmpl(phba, iocb, iocb); |
| 4825 | |
| 4826 | atomic_dec(&phba->fabric_iocb_count); |
| 4827 | goto repeat; |
| 4828 | } |
| 4829 | } |
| 4830 | |
| 4831 | return; |
| 4832 | } |
| 4833 | |
| 4834 | void |
| 4835 | lpfc_unblock_fabric_iocbs(struct lpfc_hba *phba) |
| 4836 | { |
| 4837 | clear_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); |
| 4838 | |
| 4839 | lpfc_resume_fabric_iocbs(phba); |
| 4840 | return; |
| 4841 | } |
| 4842 | |
| 4843 | static void |
| 4844 | lpfc_block_fabric_iocbs(struct lpfc_hba *phba) |
| 4845 | { |
| 4846 | int blocked; |
| 4847 | |
| 4848 | blocked = test_and_set_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); |
| 4849 | /* Start a timer to unblock fabric |
| 4850 | * iocbs after 100ms |
| 4851 | */ |
| 4852 | if (!blocked) |
| 4853 | mod_timer(&phba->fabric_block_timer, jiffies + HZ/10 ); |
| 4854 | |
| 4855 | return; |
| 4856 | } |
| 4857 | |
| 4858 | static void |
| 4859 | lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 4860 | struct lpfc_iocbq *rspiocb) |
| 4861 | { |
| 4862 | struct ls_rjt stat; |
| 4863 | |
| 4864 | if ((cmdiocb->iocb_flag & LPFC_IO_FABRIC) != LPFC_IO_FABRIC) |
| 4865 | BUG(); |
| 4866 | |
| 4867 | switch (rspiocb->iocb.ulpStatus) { |
| 4868 | case IOSTAT_NPORT_RJT: |
| 4869 | case IOSTAT_FABRIC_RJT: |
| 4870 | if (rspiocb->iocb.un.ulpWord[4] & RJT_UNAVAIL_TEMP) { |
| 4871 | lpfc_block_fabric_iocbs(phba); |
| 4872 | } |
| 4873 | break; |
| 4874 | |
| 4875 | case IOSTAT_NPORT_BSY: |
| 4876 | case IOSTAT_FABRIC_BSY: |
| 4877 | lpfc_block_fabric_iocbs(phba); |
| 4878 | break; |
| 4879 | |
| 4880 | case IOSTAT_LS_RJT: |
| 4881 | stat.un.lsRjtError = |
| 4882 | be32_to_cpu(rspiocb->iocb.un.ulpWord[4]); |
| 4883 | if ((stat.un.b.lsRjtRsnCode == LSRJT_UNABLE_TPC) || |
| 4884 | (stat.un.b.lsRjtRsnCode == LSRJT_LOGICAL_BSY)) |
| 4885 | lpfc_block_fabric_iocbs(phba); |
| 4886 | break; |
| 4887 | } |
| 4888 | |
| 4889 | if (atomic_read(&phba->fabric_iocb_count) == 0) |
| 4890 | BUG(); |
| 4891 | |
| 4892 | cmdiocb->iocb_cmpl = cmdiocb->fabric_iocb_cmpl; |
| 4893 | cmdiocb->fabric_iocb_cmpl = NULL; |
| 4894 | cmdiocb->iocb_flag &= ~LPFC_IO_FABRIC; |
| 4895 | cmdiocb->iocb_cmpl(phba, cmdiocb, rspiocb); |
| 4896 | |
| 4897 | atomic_dec(&phba->fabric_iocb_count); |
| 4898 | if (!test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags)) { |
| 4899 | /* Post any pending iocbs to HBA */ |
| 4900 | lpfc_resume_fabric_iocbs(phba); |
| 4901 | } |
| 4902 | } |
| 4903 | |
Adrian Bunk | a6ababd | 2007-11-05 18:07:33 +0100 | [diff] [blame] | 4904 | static int |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4905 | lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb) |
| 4906 | { |
| 4907 | unsigned long iflags; |
| 4908 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
| 4909 | int ready; |
| 4910 | int ret; |
| 4911 | |
| 4912 | if (atomic_read(&phba->fabric_iocb_count) > 1) |
| 4913 | BUG(); |
| 4914 | |
| 4915 | spin_lock_irqsave(&phba->hbalock, iflags); |
| 4916 | ready = atomic_read(&phba->fabric_iocb_count) == 0 && |
| 4917 | !test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); |
| 4918 | |
| 4919 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
| 4920 | if (ready) { |
| 4921 | iocb->fabric_iocb_cmpl = iocb->iocb_cmpl; |
| 4922 | iocb->iocb_cmpl = lpfc_cmpl_fabric_iocb; |
| 4923 | iocb->iocb_flag |= LPFC_IO_FABRIC; |
| 4924 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4925 | lpfc_debugfs_disc_trc(iocb->vport, LPFC_DISC_TRC_ELS_CMD, |
| 4926 | "Fabric sched2: ste:x%x", |
| 4927 | iocb->vport->port_state, 0, 0); |
| 4928 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4929 | atomic_inc(&phba->fabric_iocb_count); |
| 4930 | ret = lpfc_sli_issue_iocb(phba, pring, iocb, 0); |
| 4931 | |
| 4932 | if (ret == IOCB_ERROR) { |
| 4933 | iocb->iocb_cmpl = iocb->fabric_iocb_cmpl; |
| 4934 | iocb->fabric_iocb_cmpl = NULL; |
| 4935 | iocb->iocb_flag &= ~LPFC_IO_FABRIC; |
| 4936 | atomic_dec(&phba->fabric_iocb_count); |
| 4937 | } |
| 4938 | } else { |
| 4939 | spin_lock_irqsave(&phba->hbalock, iflags); |
| 4940 | list_add_tail(&iocb->list, &phba->fabric_iocb_list); |
| 4941 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
| 4942 | ret = IOCB_SUCCESS; |
| 4943 | } |
| 4944 | return ret; |
| 4945 | } |
| 4946 | |
| 4947 | |
Adrian Bunk | a6ababd | 2007-11-05 18:07:33 +0100 | [diff] [blame] | 4948 | static void lpfc_fabric_abort_vport(struct lpfc_vport *vport) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4949 | { |
| 4950 | LIST_HEAD(completions); |
| 4951 | struct lpfc_hba *phba = vport->phba; |
| 4952 | struct lpfc_iocbq *tmp_iocb, *piocb; |
| 4953 | IOCB_t *cmd; |
| 4954 | |
| 4955 | spin_lock_irq(&phba->hbalock); |
| 4956 | list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list, |
| 4957 | list) { |
| 4958 | |
| 4959 | if (piocb->vport != vport) |
| 4960 | continue; |
| 4961 | |
| 4962 | list_move_tail(&piocb->list, &completions); |
| 4963 | } |
| 4964 | spin_unlock_irq(&phba->hbalock); |
| 4965 | |
| 4966 | while (!list_empty(&completions)) { |
| 4967 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); |
| 4968 | list_del_init(&piocb->list); |
| 4969 | |
| 4970 | cmd = &piocb->iocb; |
| 4971 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 4972 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 4973 | (piocb->iocb_cmpl) (phba, piocb, piocb); |
| 4974 | } |
| 4975 | } |
| 4976 | |
| 4977 | void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp) |
| 4978 | { |
| 4979 | LIST_HEAD(completions); |
| 4980 | struct lpfc_hba *phba = ndlp->vport->phba; |
| 4981 | struct lpfc_iocbq *tmp_iocb, *piocb; |
| 4982 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
| 4983 | IOCB_t *cmd; |
| 4984 | |
| 4985 | spin_lock_irq(&phba->hbalock); |
| 4986 | list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list, |
| 4987 | list) { |
| 4988 | if ((lpfc_check_sli_ndlp(phba, pring, piocb, ndlp))) { |
| 4989 | |
| 4990 | list_move_tail(&piocb->list, &completions); |
| 4991 | } |
| 4992 | } |
| 4993 | spin_unlock_irq(&phba->hbalock); |
| 4994 | |
| 4995 | while (!list_empty(&completions)) { |
| 4996 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); |
| 4997 | list_del_init(&piocb->list); |
| 4998 | |
| 4999 | cmd = &piocb->iocb; |
| 5000 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 5001 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 5002 | (piocb->iocb_cmpl) (phba, piocb, piocb); |
| 5003 | } |
| 5004 | } |
| 5005 | |
| 5006 | void lpfc_fabric_abort_hba(struct lpfc_hba *phba) |
| 5007 | { |
| 5008 | LIST_HEAD(completions); |
| 5009 | struct lpfc_iocbq *piocb; |
| 5010 | IOCB_t *cmd; |
| 5011 | |
| 5012 | spin_lock_irq(&phba->hbalock); |
| 5013 | list_splice_init(&phba->fabric_iocb_list, &completions); |
| 5014 | spin_unlock_irq(&phba->hbalock); |
| 5015 | |
| 5016 | while (!list_empty(&completions)) { |
| 5017 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); |
| 5018 | list_del_init(&piocb->list); |
| 5019 | |
| 5020 | cmd = &piocb->iocb; |
| 5021 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 5022 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 5023 | (piocb->iocb_cmpl) (phba, piocb, piocb); |
| 5024 | } |
| 5025 | } |
| 5026 | |
| 5027 | |
Adrian Bunk | a6ababd | 2007-11-05 18:07:33 +0100 | [diff] [blame] | 5028 | #if 0 |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 5029 | void lpfc_fabric_abort_flogi(struct lpfc_hba *phba) |
| 5030 | { |
| 5031 | LIST_HEAD(completions); |
| 5032 | struct lpfc_iocbq *tmp_iocb, *piocb; |
| 5033 | IOCB_t *cmd; |
| 5034 | struct lpfc_nodelist *ndlp; |
| 5035 | |
| 5036 | spin_lock_irq(&phba->hbalock); |
| 5037 | list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list, |
| 5038 | list) { |
| 5039 | |
| 5040 | cmd = &piocb->iocb; |
| 5041 | ndlp = (struct lpfc_nodelist *) piocb->context1; |
| 5042 | if (cmd->ulpCommand == CMD_ELS_REQUEST64_CR && |
| 5043 | ndlp != NULL && |
| 5044 | ndlp->nlp_DID == Fabric_DID) |
| 5045 | list_move_tail(&piocb->list, &completions); |
| 5046 | } |
| 5047 | spin_unlock_irq(&phba->hbalock); |
| 5048 | |
| 5049 | while (!list_empty(&completions)) { |
| 5050 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); |
| 5051 | list_del_init(&piocb->list); |
| 5052 | |
| 5053 | cmd = &piocb->iocb; |
| 5054 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 5055 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 5056 | (piocb->iocb_cmpl) (phba, piocb, piocb); |
| 5057 | } |
| 5058 | } |
Adrian Bunk | a6ababd | 2007-11-05 18:07:33 +0100 | [diff] [blame] | 5059 | #endif /* 0 */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 5060 | |
| 5061 | |