| 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 | 9413aff | 2007-04-25 09:53:35 -0400 | [diff] [blame] | 4 | * Copyright (C) 2004-2007 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 | *******************************************************************/ |
| 21 | |
| 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" |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 39 | |
| 40 | static int lpfc_els_retry(struct lpfc_hba *, struct lpfc_iocbq *, |
| 41 | struct lpfc_iocbq *); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 42 | static void lpfc_cmpl_fabric_iocb(struct lpfc_hba *, struct lpfc_iocbq *, |
| 43 | struct lpfc_iocbq *); |
| 44 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 45 | static int lpfc_max_els_tries = 3; |
| 46 | |
| 47 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 48 | lpfc_els_chk_latt(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 49 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 50 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 51 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 52 | uint32_t ha_copy; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 53 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 54 | if (vport->port_state >= LPFC_VPORT_READY || |
| 55 | phba->link_state == LPFC_LINK_DOWN) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 56 | return 0; |
| 57 | |
| 58 | /* Read the HBA Host Attention Register */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 59 | ha_copy = readl(phba->HAregaddr); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 60 | |
| 61 | if (!(ha_copy & HA_LATT)) |
| 62 | return 0; |
| 63 | |
| 64 | /* Pending Link Event during Discovery */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 65 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
| 66 | "%d (%d):0237 Pending Link Event during " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 67 | "Discovery: State x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 68 | phba->brd_no, vport->vpi, phba->pport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 69 | |
| 70 | /* CLEAR_LA should re-enable link attention events and |
| 71 | * we should then imediately take a LATT event. The |
| 72 | * LATT processing should call lpfc_linkdown() which |
| 73 | * will cleanup any left over in-progress discovery |
| 74 | * events. |
| 75 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 76 | spin_lock_irq(shost->host_lock); |
| 77 | vport->fc_flag |= FC_ABORT_DISCOVERY; |
| 78 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 79 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 80 | if (phba->link_state != LPFC_CLEAR_LA) |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 81 | lpfc_issue_clear_la(phba, vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 82 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 83 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 84 | } |
| 85 | |
| 86 | static struct lpfc_iocbq * |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 87 | lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp, |
| 88 | uint16_t cmdSize, uint8_t retry, |
| 89 | struct lpfc_nodelist *ndlp, uint32_t did, |
| 90 | uint32_t elscmd) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 91 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 92 | struct lpfc_hba *phba = vport->phba; |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 93 | struct lpfc_iocbq *elsiocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 94 | struct lpfc_dmabuf *pcmd, *prsp, *pbuflist; |
| 95 | struct ulp_bde64 *bpl; |
| 96 | IOCB_t *icmd; |
| 97 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 98 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 99 | if (!lpfc_is_link_up(phba)) |
| 100 | return NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 101 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 102 | /* Allocate buffer for command iocb */ |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 103 | elsiocb = lpfc_sli_get_iocbq(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 104 | |
| 105 | if (elsiocb == NULL) |
| 106 | return NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 107 | icmd = &elsiocb->iocb; |
| 108 | |
| 109 | /* fill in BDEs for command */ |
| 110 | /* Allocate buffer for command payload */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 111 | if (((pcmd = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL)) == 0) || |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 112 | ((pcmd->virt = lpfc_mbuf_alloc(phba, |
| 113 | MEM_PRI, &(pcmd->phys))) == 0)) { |
Jesper Juhl | c9475cb | 2005-11-07 01:01:26 -0800 | [diff] [blame] | 114 | kfree(pcmd); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 115 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 116 | lpfc_sli_release_iocbq(phba, elsiocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 117 | return NULL; |
| 118 | } |
| 119 | |
| 120 | INIT_LIST_HEAD(&pcmd->list); |
| 121 | |
| 122 | /* Allocate buffer for response payload */ |
| 123 | if (expectRsp) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 124 | prsp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 125 | if (prsp) |
| 126 | prsp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, |
| 127 | &prsp->phys); |
| 128 | if (prsp == 0 || prsp->virt == 0) { |
Jesper Juhl | c9475cb | 2005-11-07 01:01:26 -0800 | [diff] [blame] | 129 | kfree(prsp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 130 | lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys); |
| 131 | kfree(pcmd); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 132 | lpfc_sli_release_iocbq(phba, elsiocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 133 | return NULL; |
| 134 | } |
| 135 | INIT_LIST_HEAD(&prsp->list); |
| 136 | } else { |
| 137 | prsp = NULL; |
| 138 | } |
| 139 | |
| 140 | /* Allocate buffer for Buffer ptr list */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 141 | pbuflist = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 142 | if (pbuflist) |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 143 | pbuflist->virt = lpfc_mbuf_alloc(phba, MEM_PRI, |
| 144 | &pbuflist->phys); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 145 | if (pbuflist == 0 || pbuflist->virt == 0) { |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 146 | lpfc_sli_release_iocbq(phba, elsiocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 147 | lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys); |
| 148 | lpfc_mbuf_free(phba, prsp->virt, prsp->phys); |
| 149 | kfree(pcmd); |
| 150 | kfree(prsp); |
Jesper Juhl | c9475cb | 2005-11-07 01:01:26 -0800 | [diff] [blame] | 151 | kfree(pbuflist); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 152 | return NULL; |
| 153 | } |
| 154 | |
| 155 | INIT_LIST_HEAD(&pbuflist->list); |
| 156 | |
| 157 | icmd->un.elsreq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys); |
| 158 | icmd->un.elsreq64.bdl.addrLow = putPaddrLow(pbuflist->phys); |
| 159 | icmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BDL; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 160 | icmd->un.elsreq64.remoteID = did; /* DID */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 161 | if (expectRsp) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 162 | icmd->un.elsreq64.bdl.bdeSize = (2 * sizeof(struct ulp_bde64)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 163 | icmd->ulpCommand = CMD_ELS_REQUEST64_CR; |
James Smart | 2680eea | 2007-04-25 09:52:55 -0400 | [diff] [blame] | 164 | icmd->ulpTimeout = phba->fc_ratov * 2; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 165 | } else { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 166 | icmd->un.elsreq64.bdl.bdeSize = sizeof(struct ulp_bde64); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 167 | icmd->ulpCommand = CMD_XMIT_ELS_RSP64_CX; |
| 168 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 169 | icmd->ulpBdeCount = 1; |
| 170 | icmd->ulpLe = 1; |
| 171 | icmd->ulpClass = CLASS3; |
| 172 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 173 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { |
| 174 | icmd->un.elsreq64.myID = vport->fc_myDID; |
| 175 | |
| 176 | /* For ELS_REQUEST64_CR, use the VPI by default */ |
| 177 | icmd->ulpContext = vport->vpi; |
| 178 | icmd->ulpCt_h = 0; |
| 179 | icmd->ulpCt_l = 1; |
| 180 | } |
| 181 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 182 | bpl = (struct ulp_bde64 *) pbuflist->virt; |
| 183 | bpl->addrLow = le32_to_cpu(putPaddrLow(pcmd->phys)); |
| 184 | bpl->addrHigh = le32_to_cpu(putPaddrHigh(pcmd->phys)); |
| 185 | bpl->tus.f.bdeSize = cmdSize; |
| 186 | bpl->tus.f.bdeFlags = 0; |
| 187 | bpl->tus.w = le32_to_cpu(bpl->tus.w); |
| 188 | |
| 189 | if (expectRsp) { |
| 190 | bpl++; |
| 191 | bpl->addrLow = le32_to_cpu(putPaddrLow(prsp->phys)); |
| 192 | bpl->addrHigh = le32_to_cpu(putPaddrHigh(prsp->phys)); |
| 193 | bpl->tus.f.bdeSize = FCELSSIZE; |
| 194 | bpl->tus.f.bdeFlags = BUFF_USE_RCV; |
| 195 | bpl->tus.w = le32_to_cpu(bpl->tus.w); |
| 196 | } |
| 197 | |
| 198 | /* Save for completion so we can release these resources */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 199 | if (elscmd != ELS_CMD_LS_RJT) |
| 200 | elsiocb->context1 = lpfc_nlp_get(ndlp); |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 201 | elsiocb->context2 = pcmd; |
| 202 | elsiocb->context3 = pbuflist; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 203 | elsiocb->retry = retry; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 204 | elsiocb->vport = vport; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 205 | elsiocb->drvrTimeout = (phba->fc_ratov << 1) + LPFC_DRVR_TIMEOUT; |
| 206 | |
| 207 | if (prsp) { |
| 208 | list_add(&prsp->list, &pcmd->list); |
| 209 | } |
| 210 | |
| 211 | if (expectRsp) { |
| 212 | /* Xmit ELS command <elsCmd> to remote NPORT <did> */ |
| 213 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 214 | "%d (%d):0116 Xmit ELS command x%x to remote " |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 215 | "NPORT x%x I/O tag: x%x, port state: x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 216 | phba->brd_no, vport->vpi, elscmd, did, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 217 | elsiocb->iotag, vport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 218 | } else { |
| 219 | /* Xmit ELS response <elsCmd> to remote NPORT <did> */ |
| 220 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 221 | "%d (%d):0117 Xmit ELS response x%x to remote " |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 222 | "NPORT x%x I/O tag: x%x, size: x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 223 | phba->brd_no, vport->vpi, elscmd, |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 224 | ndlp->nlp_DID, elsiocb->iotag, cmdSize); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 225 | } |
| 226 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 227 | return elsiocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 228 | } |
| 229 | |
| 230 | |
| 231 | static int |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 232 | lpfc_issue_fabric_reglogin(struct lpfc_vport *vport) |
| 233 | { |
| 234 | struct lpfc_hba *phba = vport->phba; |
| 235 | LPFC_MBOXQ_t *mbox; |
| 236 | struct lpfc_dmabuf *mp; |
| 237 | struct lpfc_nodelist *ndlp; |
| 238 | struct serv_parm *sp; |
| 239 | int rc; |
| 240 | |
| 241 | sp = &phba->fc_fabparam; |
| 242 | ndlp = lpfc_findnode_did(vport, Fabric_DID); |
| 243 | if (!ndlp) |
| 244 | goto fail; |
| 245 | |
| 246 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 247 | if (!mbox) |
| 248 | goto fail; |
| 249 | |
| 250 | vport->port_state = LPFC_FABRIC_CFG_LINK; |
| 251 | lpfc_config_link(phba, mbox); |
| 252 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| 253 | mbox->vport = vport; |
| 254 | |
| 255 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB); |
| 256 | if (rc == MBX_NOT_FINISHED) |
| 257 | goto fail_free_mbox; |
| 258 | |
| 259 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 260 | if (!mbox) |
| 261 | goto fail; |
| 262 | rc = lpfc_reg_login(phba, vport->vpi, Fabric_DID, (uint8_t *)sp, mbox, |
| 263 | 0); |
| 264 | if (rc) |
| 265 | goto fail_free_mbox; |
| 266 | |
| 267 | mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login; |
| 268 | mbox->vport = vport; |
| 269 | mbox->context2 = lpfc_nlp_get(ndlp); |
| 270 | |
| 271 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB); |
| 272 | if (rc == MBX_NOT_FINISHED) |
| 273 | goto fail_issue_reg_login; |
| 274 | |
| 275 | return 0; |
| 276 | |
| 277 | fail_issue_reg_login: |
| 278 | lpfc_nlp_put(ndlp); |
| 279 | mp = (struct lpfc_dmabuf *) mbox->context1; |
| 280 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 281 | kfree(mp); |
| 282 | fail_free_mbox: |
| 283 | mempool_free(mbox, phba->mbox_mem_pool); |
| 284 | |
| 285 | fail: |
| 286 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
| 287 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, |
| 288 | "%d (%d):0249 Cannot issue Register Fabric login\n", |
| 289 | phba->brd_no, vport->vpi); |
| 290 | return -ENXIO; |
| 291 | } |
| 292 | |
| 293 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 294 | lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
| 295 | struct serv_parm *sp, IOCB_t *irsp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 296 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 297 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 298 | struct lpfc_hba *phba = vport->phba; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 299 | struct lpfc_nodelist *np; |
| 300 | struct lpfc_nodelist *next_np; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 301 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 302 | spin_lock_irq(shost->host_lock); |
| 303 | vport->fc_flag |= FC_FABRIC; |
| 304 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 305 | |
| 306 | phba->fc_edtov = be32_to_cpu(sp->cmn.e_d_tov); |
| 307 | if (sp->cmn.edtovResolution) /* E_D_TOV ticks are in nanoseconds */ |
| 308 | phba->fc_edtov = (phba->fc_edtov + 999999) / 1000000; |
| 309 | |
| 310 | phba->fc_ratov = (be32_to_cpu(sp->cmn.w2.r_a_tov) + 999) / 1000; |
| 311 | |
| 312 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 313 | spin_lock_irq(shost->host_lock); |
| 314 | vport->fc_flag |= FC_PUBLIC_LOOP; |
| 315 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 316 | } else { |
| 317 | /* |
| 318 | * If we are a N-port connected to a Fabric, fixup sparam's so |
| 319 | * logins to devices on remote loops work. |
| 320 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 321 | vport->fc_sparam.cmn.altBbCredit = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 322 | } |
| 323 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 324 | vport->fc_myDID = irsp->un.ulpWord[4] & Mask_DID; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 325 | memcpy(&ndlp->nlp_portname, &sp->portName, sizeof(struct lpfc_name)); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 326 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof(struct lpfc_name)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 327 | ndlp->nlp_class_sup = 0; |
| 328 | if (sp->cls1.classValid) |
| 329 | ndlp->nlp_class_sup |= FC_COS_CLASS1; |
| 330 | if (sp->cls2.classValid) |
| 331 | ndlp->nlp_class_sup |= FC_COS_CLASS2; |
| 332 | if (sp->cls3.classValid) |
| 333 | ndlp->nlp_class_sup |= FC_COS_CLASS3; |
| 334 | if (sp->cls4.classValid) |
| 335 | ndlp->nlp_class_sup |= FC_COS_CLASS4; |
| 336 | ndlp->nlp_maxframe = ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | |
| 337 | sp->cmn.bbRcvSizeLsb; |
| 338 | memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm)); |
| 339 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 340 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { |
| 341 | if (sp->cmn.response_multiple_NPort) { |
| 342 | lpfc_printf_log(phba, KERN_WARNING, LOG_ELS | LOG_VPORT, |
| 343 | "%d:1816 FLOGI NPIV supported, " |
| 344 | "response data 0x%x\n", |
| 345 | phba->brd_no, |
| 346 | sp->cmn.response_multiple_NPort); |
| 347 | phba->link_flag |= LS_NPIV_FAB_SUPPORTED; |
| 348 | |
| 349 | } else { |
| 350 | /* Because we asked f/w for NPIV it still expects us |
| 351 | to call reg_vnpid atleast for the physcial host */ |
| 352 | lpfc_printf_log(phba, KERN_WARNING, LOG_ELS | LOG_VPORT, |
| 353 | "%d:1817 Fabric does not support NPIV " |
| 354 | "- configuring single port mode.\n", |
| 355 | phba->brd_no); |
| 356 | phba->vpi_cnt = 1; |
| 357 | phba->link_flag &= ~LS_NPIV_FAB_SUPPORTED; |
| 358 | } |
| 359 | } |
| 360 | |
| 361 | if ((vport->fc_prevDID != vport->fc_myDID) && |
| 362 | !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) { |
| 363 | |
| 364 | /* If our NportID changed, we need to ensure all |
| 365 | * remaining NPORTs get unreg_login'ed. |
| 366 | */ |
| 367 | list_for_each_entry_safe(np, next_np, |
| 368 | &vport->fc_nodes, nlp_listp) { |
| 369 | if ((np->nlp_state != NLP_STE_NPR_NODE) || |
| 370 | !(np->nlp_flag & NLP_NPR_ADISC)) |
| 371 | continue; |
| 372 | spin_lock_irq(shost->host_lock); |
| 373 | np->nlp_flag &= ~NLP_NPR_ADISC; |
| 374 | spin_unlock_irq(shost->host_lock); |
| 375 | lpfc_unreg_rpi(vport, np); |
| 376 | } |
| 377 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { |
| 378 | lpfc_mbx_unreg_vpi(vport); |
| 379 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
| 380 | } |
| 381 | } |
| 382 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 383 | ndlp->nlp_sid = irsp->un.ulpWord[4] & Mask_DID; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 384 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_REG_LOGIN_ISSUE); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 385 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 386 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED && |
| 387 | vport->fc_flag & FC_VPORT_NEEDS_REG_VPI) { |
| 388 | lpfc_register_new_vport(phba, vport, ndlp); |
| 389 | return 0; |
| 390 | } |
| 391 | lpfc_issue_fabric_reglogin(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 392 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 393 | } |
| 394 | |
| 395 | /* |
| 396 | * We FLOGIed into an NPort, initiate pt2pt protocol |
| 397 | */ |
| 398 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 399 | lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
| 400 | struct serv_parm *sp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 401 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 402 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 403 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 404 | LPFC_MBOXQ_t *mbox; |
| 405 | int rc; |
| 406 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 407 | spin_lock_irq(shost->host_lock); |
| 408 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 409 | phba->vpi_cnt = 1; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 410 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 411 | |
| 412 | phba->fc_edtov = FF_DEF_EDTOV; |
| 413 | phba->fc_ratov = FF_DEF_RATOV; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 414 | rc = memcmp(&vport->fc_portname, &sp->portName, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 415 | sizeof(vport->fc_portname)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 416 | if (rc >= 0) { |
| 417 | /* This side will initiate the PLOGI */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 418 | spin_lock_irq(shost->host_lock); |
| 419 | vport->fc_flag |= FC_PT2PT_PLOGI; |
| 420 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 421 | |
| 422 | /* |
| 423 | * N_Port ID cannot be 0, set our to LocalID the other |
| 424 | * side will be RemoteID. |
| 425 | */ |
| 426 | |
| 427 | /* not equal */ |
| 428 | if (rc) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 429 | vport->fc_myDID = PT2PT_LocalID; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 430 | |
| 431 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 432 | if (!mbox) |
| 433 | goto fail; |
| 434 | |
| 435 | lpfc_config_link(phba, mbox); |
| 436 | |
| 437 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 438 | mbox->vport = vport; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 439 | rc = lpfc_sli_issue_mbox(phba, mbox, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 440 | MBX_NOWAIT | MBX_STOP_IOCB); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 441 | if (rc == MBX_NOT_FINISHED) { |
| 442 | mempool_free(mbox, phba->mbox_mem_pool); |
| 443 | goto fail; |
| 444 | } |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 445 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 446 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 447 | ndlp = lpfc_findnode_did(vport, PT2PT_RemoteID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 448 | if (!ndlp) { |
| 449 | /* |
| 450 | * Cannot find existing Fabric ndlp, so allocate a |
| 451 | * new one |
| 452 | */ |
| 453 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
| 454 | if (!ndlp) |
| 455 | goto fail; |
| 456 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 457 | lpfc_nlp_init(vport, ndlp, PT2PT_RemoteID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 458 | } |
| 459 | |
| 460 | memcpy(&ndlp->nlp_portname, &sp->portName, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 461 | sizeof(struct lpfc_name)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 462 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 463 | sizeof(struct lpfc_name)); |
| 464 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
| 465 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 466 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 467 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 468 | } else { |
| 469 | /* This side will wait for the PLOGI */ |
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 | } |
| 472 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 473 | spin_lock_irq(shost->host_lock); |
| 474 | vport->fc_flag |= FC_PT2PT; |
| 475 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 476 | |
| 477 | /* Start discovery - this should just do CLEAR_LA */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 478 | lpfc_disc_start(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 479 | return 0; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 480 | fail: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 481 | return -ENXIO; |
| 482 | } |
| 483 | |
| 484 | static void |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 485 | lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 486 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 487 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 488 | struct lpfc_vport *vport = cmdiocb->vport; |
| 489 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 490 | IOCB_t *irsp = &rspiocb->iocb; |
| 491 | struct lpfc_nodelist *ndlp = cmdiocb->context1; |
| 492 | struct lpfc_dmabuf *pcmd = cmdiocb->context2, *prsp; |
| 493 | struct serv_parm *sp; |
| 494 | int rc; |
| 495 | |
| 496 | /* Check to see if link went down during discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 497 | if (lpfc_els_chk_latt(vport)) { |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 498 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 499 | goto out; |
| 500 | } |
| 501 | |
| 502 | if (irsp->ulpStatus) { |
| 503 | /* Check for retry */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 504 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 505 | goto out; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 506 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 507 | /* FLOGI failed, so there is no fabric */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 508 | spin_lock_irq(shost->host_lock); |
| 509 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 510 | phba->vpi_cnt = 1; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 511 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 512 | |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 513 | /* If private loop, then allow max outstanding els to be |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 514 | * LPFC_MAX_DISC_THREADS (32). Scanning in the case of no |
| 515 | * alpa map would take too long otherwise. |
| 516 | */ |
| 517 | if (phba->alpa_map[0] == 0) { |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 518 | phba->cfg_discovery_threads = LPFC_MAX_DISC_THREADS; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 519 | } |
| 520 | |
| 521 | /* FLOGI failure */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 522 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 523 | "%d (%d):0100 FLOGI failure Data: x%x x%x " |
| 524 | "x%x\n", |
| 525 | phba->brd_no, vport->vpi, |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 526 | irsp->ulpStatus, irsp->un.ulpWord[4], |
| 527 | irsp->ulpTimeout); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 528 | goto flogifail; |
| 529 | } |
| 530 | |
| 531 | /* |
| 532 | * The FLogI succeeded. Sync the data for the CPU before |
| 533 | * accessing it. |
| 534 | */ |
| 535 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); |
| 536 | |
| 537 | sp = prsp->virt + sizeof(uint32_t); |
| 538 | |
| 539 | /* FLOGI completes successfully */ |
| 540 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 541 | "%d (%d):0101 FLOGI completes sucessfully " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 542 | "Data: x%x x%x x%x x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 543 | phba->brd_no, vport->vpi, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 544 | irsp->un.ulpWord[4], sp->cmn.e_d_tov, |
| 545 | sp->cmn.w2.r_a_tov, sp->cmn.edtovResolution); |
| 546 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 547 | if (vport->port_state == LPFC_FLOGI) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 548 | /* |
| 549 | * If Common Service Parameters indicate Nport |
| 550 | * we are point to point, if Fport we are Fabric. |
| 551 | */ |
| 552 | if (sp->cmn.fPort) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 553 | rc = lpfc_cmpl_els_flogi_fabric(vport, ndlp, sp, irsp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 554 | else |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 555 | rc = lpfc_cmpl_els_flogi_nport(vport, ndlp, sp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 556 | |
| 557 | if (!rc) |
| 558 | goto out; |
| 559 | } |
| 560 | |
| 561 | flogifail: |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 562 | lpfc_nlp_put(ndlp); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 563 | phba->vpi_cnt = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 564 | |
| 565 | if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT || |
| 566 | (irsp->un.ulpWord[4] != IOERR_SLI_ABORTED && |
| 567 | irsp->un.ulpWord[4] != IOERR_SLI_DOWN)) { |
| 568 | /* FLOGI failed, so just use loop map to make discovery list */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 569 | lpfc_disc_list_loopmap(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 570 | |
| 571 | /* Start discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 572 | lpfc_disc_start(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 573 | } |
| 574 | |
| 575 | out: |
| 576 | lpfc_els_free_iocb(phba, cmdiocb); |
| 577 | } |
| 578 | |
| 579 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 580 | lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 581 | uint8_t retry) |
| 582 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 583 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 584 | struct serv_parm *sp; |
| 585 | IOCB_t *icmd; |
| 586 | struct lpfc_iocbq *elsiocb; |
| 587 | struct lpfc_sli_ring *pring; |
| 588 | uint8_t *pcmd; |
| 589 | uint16_t cmdsize; |
| 590 | uint32_t tmo; |
| 591 | int rc; |
| 592 | |
| 593 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
| 594 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 595 | cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 596 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
| 597 | ndlp->nlp_DID, ELS_CMD_FLOGI); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 598 | |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 599 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 600 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 601 | |
| 602 | icmd = &elsiocb->iocb; |
| 603 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 604 | |
| 605 | /* For FLOGI request, remainder of payload is service parameters */ |
| 606 | *((uint32_t *) (pcmd)) = ELS_CMD_FLOGI; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 607 | pcmd += sizeof(uint32_t); |
| 608 | memcpy(pcmd, &vport->fc_sparam, sizeof(struct serv_parm)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 609 | sp = (struct serv_parm *) pcmd; |
| 610 | |
| 611 | /* Setup CSPs accordingly for Fabric */ |
| 612 | sp->cmn.e_d_tov = 0; |
| 613 | sp->cmn.w2.r_a_tov = 0; |
| 614 | sp->cls1.classValid = 0; |
| 615 | sp->cls2.seqDelivery = 1; |
| 616 | sp->cls3.seqDelivery = 1; |
| 617 | if (sp->cmn.fcphLow < FC_PH3) |
| 618 | sp->cmn.fcphLow = FC_PH3; |
| 619 | if (sp->cmn.fcphHigh < FC_PH3) |
| 620 | sp->cmn.fcphHigh = FC_PH3; |
| 621 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 622 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { |
| 623 | sp->cmn.request_multiple_Nport = 1; |
| 624 | |
| 625 | /* For FLOGI, Let FLOGI rsp set the NPortID for VPI 0 */ |
| 626 | icmd->ulpCt_h = 1; |
| 627 | icmd->ulpCt_l = 0; |
| 628 | } |
| 629 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 630 | tmo = phba->fc_ratov; |
| 631 | phba->fc_ratov = LPFC_DISC_FLOGI_TMO; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 632 | lpfc_set_disctmo(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 633 | phba->fc_ratov = tmo; |
| 634 | |
| 635 | phba->fc_stat.elsXmitFLOGI++; |
| 636 | elsiocb->iocb_cmpl = lpfc_cmpl_els_flogi; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 637 | rc = lpfc_issue_fabric_iocb(phba, elsiocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 638 | if (rc == IOCB_ERROR) { |
| 639 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 640 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 641 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 642 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 643 | } |
| 644 | |
| 645 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 646 | lpfc_els_abort_flogi(struct lpfc_hba *phba) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 647 | { |
| 648 | struct lpfc_sli_ring *pring; |
| 649 | struct lpfc_iocbq *iocb, *next_iocb; |
| 650 | struct lpfc_nodelist *ndlp; |
| 651 | IOCB_t *icmd; |
| 652 | |
| 653 | /* Abort outstanding I/O on NPort <nlp_DID> */ |
| 654 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
| 655 | "%d:0201 Abort outstanding I/O on NPort x%x\n", |
| 656 | phba->brd_no, Fabric_DID); |
| 657 | |
| 658 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
| 659 | |
| 660 | /* |
| 661 | * Check the txcmplq for an iocb that matches the nport the driver is |
| 662 | * searching for. |
| 663 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 664 | spin_lock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 665 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { |
| 666 | icmd = &iocb->iocb; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 667 | if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR && |
| 668 | icmd->un.elsreq64.bdl.ulpIoTag32) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 669 | ndlp = (struct lpfc_nodelist *)(iocb->context1); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 670 | if (ndlp && (ndlp->nlp_DID == Fabric_DID)) { |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame] | 671 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 672 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 673 | } |
| 674 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 675 | spin_unlock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 676 | |
| 677 | return 0; |
| 678 | } |
| 679 | |
| 680 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 681 | lpfc_initial_flogi(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 682 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 683 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 684 | struct lpfc_nodelist *ndlp; |
| 685 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 686 | /* First look for the Fabric ndlp */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 687 | ndlp = lpfc_findnode_did(vport, Fabric_DID); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 688 | if (!ndlp) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 689 | /* Cannot find existing Fabric ndlp, so allocate a new one */ |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 690 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
| 691 | if (!ndlp) |
| 692 | return 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 693 | lpfc_nlp_init(vport, ndlp, Fabric_DID); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 694 | } else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 695 | lpfc_dequeue_node(vport, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 696 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 697 | if (lpfc_issue_els_flogi(vport, ndlp, 0)) { |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 698 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 699 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 700 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 701 | } |
| 702 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 703 | int |
| 704 | lpfc_initial_fdisc(struct lpfc_vport *vport) |
| 705 | { |
| 706 | struct lpfc_hba *phba = vport->phba; |
| 707 | struct lpfc_nodelist *ndlp; |
| 708 | |
| 709 | /* First look for the Fabric ndlp */ |
| 710 | ndlp = lpfc_findnode_did(vport, Fabric_DID); |
| 711 | if (!ndlp) { |
| 712 | /* Cannot find existing Fabric ndlp, so allocate a new one */ |
| 713 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
| 714 | if (!ndlp) |
| 715 | return 0; |
| 716 | lpfc_nlp_init(vport, ndlp, Fabric_DID); |
| 717 | } else { |
| 718 | lpfc_dequeue_node(vport, ndlp); |
| 719 | } |
| 720 | if (lpfc_issue_els_fdisc(vport, ndlp, 0)) { |
| 721 | lpfc_nlp_put(ndlp); |
| 722 | } |
| 723 | return 1; |
| 724 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 725 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 726 | lpfc_more_plogi(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 727 | { |
| 728 | int sentplogi; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 729 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 730 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 731 | if (vport->num_disc_nodes) |
| 732 | vport->num_disc_nodes--; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 733 | |
| 734 | /* Continue discovery with <num_disc_nodes> PLOGIs to go */ |
| 735 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 736 | "%d (%d):0232 Continue discovery with %d PLOGIs to go " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 737 | "Data: x%x x%x x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 738 | phba->brd_no, vport->vpi, vport->num_disc_nodes, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 739 | vport->fc_plogi_cnt, vport->fc_flag, vport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 740 | |
| 741 | /* Check to see if there are more PLOGIs to be sent */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 742 | if (vport->fc_flag & FC_NLP_MORE) |
| 743 | /* go thru NPR nodes and issue any remaining ELS PLOGIs */ |
| 744 | sentplogi = lpfc_els_disc_plogi(vport); |
| 745 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 746 | return; |
| 747 | } |
| 748 | |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 749 | static struct lpfc_nodelist * |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 750 | lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 751 | struct lpfc_nodelist *ndlp) |
| 752 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 753 | struct lpfc_vport *vport = ndlp->vport; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 754 | struct lpfc_nodelist *new_ndlp; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 755 | struct serv_parm *sp; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 756 | uint8_t name[sizeof(struct lpfc_name)]; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 757 | uint32_t rc; |
| 758 | |
James Smart | 2fb9bd8 | 2006-12-02 13:33:57 -0500 | [diff] [blame] | 759 | /* Fabric nodes can have the same WWPN so we don't bother searching |
| 760 | * by WWPN. Just return the ndlp that was given to us. |
| 761 | */ |
| 762 | if (ndlp->nlp_type & NLP_FABRIC) |
| 763 | return ndlp; |
| 764 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 765 | sp = (struct serv_parm *) ((uint8_t *) prsp + sizeof(uint32_t)); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 766 | memset(name, 0, sizeof(struct lpfc_name)); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 767 | |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 768 | /* 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] | 769 | * we have for that ndlp. If not, we have some work to do. |
| 770 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 771 | new_ndlp = lpfc_findnode_wwpn(vport, &sp->portName); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 772 | |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 773 | if (new_ndlp == ndlp) |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 774 | return ndlp; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 775 | |
| 776 | if (!new_ndlp) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 777 | rc = memcmp(&ndlp->nlp_portname, name, |
| 778 | sizeof(struct lpfc_name)); |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 779 | if (!rc) |
| 780 | return ndlp; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 781 | new_ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC); |
| 782 | if (!new_ndlp) |
| 783 | return ndlp; |
| 784 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 785 | lpfc_nlp_init(vport, new_ndlp, ndlp->nlp_DID); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 786 | } |
| 787 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 788 | lpfc_unreg_rpi(vport, new_ndlp); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 789 | new_ndlp->nlp_DID = ndlp->nlp_DID; |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 790 | new_ndlp->nlp_prev_state = ndlp->nlp_prev_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 791 | lpfc_nlp_set_state(vport, new_ndlp, ndlp->nlp_state); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 792 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 793 | /* Move this back to NPR state */ |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 794 | if (memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)) == 0) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 795 | lpfc_drop_node(vport, ndlp); |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 796 | else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 797 | lpfc_unreg_rpi(vport, ndlp); |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 798 | ndlp->nlp_DID = 0; /* Two ndlps cannot have the same did */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 799 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 800 | } |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 801 | return new_ndlp; |
| 802 | } |
| 803 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 804 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 805 | lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 806 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 807 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 808 | struct lpfc_vport *vport = cmdiocb->vport; |
| 809 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 810 | IOCB_t *irsp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 811 | struct lpfc_nodelist *ndlp; |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 812 | struct lpfc_dmabuf *prsp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 813 | int disc, rc, did, type; |
| 814 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 815 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
| 816 | cmdiocb->context_un.rsp_iocb = rspiocb; |
| 817 | |
| 818 | irsp = &rspiocb->iocb; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 819 | ndlp = lpfc_findnode_did(vport, irsp->un.elsreq64.remoteID); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 820 | if (!ndlp) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 821 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, |
| 822 | "%d (%d):0136 PLOGI completes to NPort x%x " |
| 823 | "with no ndlp. Data: x%x x%x x%x\n", |
| 824 | phba->brd_no, vport->vpi, irsp->un.elsreq64.remoteID, |
| 825 | irsp->ulpStatus, irsp->un.ulpWord[4], irsp->ulpIoTag); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 826 | goto out; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 827 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 828 | |
| 829 | /* Since ndlp can be freed in the disc state machine, note if this node |
| 830 | * is being used during discovery. |
| 831 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 832 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 833 | disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 834 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 835 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 836 | rc = 0; |
| 837 | |
| 838 | /* PLOGI completes to NPort <nlp_DID> */ |
| 839 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 840 | "%d (%d):0102 PLOGI completes to NPort x%x " |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 841 | "Data: x%x x%x x%x x%x x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 842 | phba->brd_no, vport->vpi, ndlp->nlp_DID, |
| 843 | irsp->ulpStatus, irsp->un.ulpWord[4], |
| 844 | irsp->ulpTimeout, disc, vport->num_disc_nodes); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 845 | |
| 846 | /* Check to see if link went down during discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 847 | if (lpfc_els_chk_latt(vport)) { |
| 848 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 849 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 850 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 851 | goto out; |
| 852 | } |
| 853 | |
| 854 | /* ndlp could be freed in DSM, save these values now */ |
| 855 | type = ndlp->nlp_type; |
| 856 | did = ndlp->nlp_DID; |
| 857 | |
| 858 | if (irsp->ulpStatus) { |
| 859 | /* Check for retry */ |
| 860 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { |
| 861 | /* ELS command is being retried */ |
| 862 | if (disc) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 863 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 864 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 865 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 866 | } |
| 867 | goto out; |
| 868 | } |
| 869 | |
| 870 | /* PLOGI failed */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 871 | if (ndlp->nlp_DID == NameServer_DID) { |
| 872 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
| 873 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, |
| 874 | "%d (%d):0250 Nameserver login error: " |
| 875 | "0x%x / 0x%x\n", |
| 876 | phba->brd_no, vport->vpi, |
| 877 | irsp->ulpStatus, irsp->un.ulpWord[4]); |
| 878 | } |
| 879 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 880 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ |
| 881 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 882 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || |
| 883 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || |
| 884 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 885 | rc = NLP_STE_FREED_NODE; |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 886 | } else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 887 | rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 888 | NLP_EVT_CMPL_PLOGI); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 889 | } |
| 890 | } else { |
| 891 | /* Good status, call state machine */ |
James Smart | 9279565 | 2006-07-06 15:50:02 -0400 | [diff] [blame] | 892 | prsp = list_entry(((struct lpfc_dmabuf *) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 893 | cmdiocb->context2)->list.next, |
| 894 | struct lpfc_dmabuf, list); |
| 895 | ndlp = lpfc_plogi_confirm_nport(phba, prsp->virt, ndlp); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 896 | rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 897 | NLP_EVT_CMPL_PLOGI); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 898 | } |
| 899 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 900 | if (disc && vport->num_disc_nodes) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 901 | /* Check to see if there are more PLOGIs to be sent */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 902 | lpfc_more_plogi(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 903 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 904 | if (vport->num_disc_nodes == 0) { |
| 905 | spin_lock_irq(shost->host_lock); |
| 906 | vport->fc_flag &= ~FC_NDISC_ACTIVE; |
| 907 | spin_unlock_irq(shost->host_lock); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 908 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 909 | lpfc_can_disctmo(vport); |
| 910 | if (vport->fc_flag & FC_RSCN_MODE) { |
James Smart | 10d4e95 | 2006-04-15 11:53:15 -0400 | [diff] [blame] | 911 | /* |
| 912 | * Check to see if more RSCNs came in while |
| 913 | * we were processing this one. |
| 914 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 915 | if ((vport->fc_rscn_id_cnt == 0) && |
| 916 | (!(vport->fc_flag & FC_RSCN_DISCOVERY))) { |
| 917 | spin_lock_irq(shost->host_lock); |
| 918 | vport->fc_flag &= ~FC_RSCN_MODE; |
| 919 | spin_unlock_irq(shost->host_lock); |
James Smart | 10d4e95 | 2006-04-15 11:53:15 -0400 | [diff] [blame] | 920 | } else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 921 | lpfc_els_handle_rscn(vport); |
James Smart | 10d4e95 | 2006-04-15 11:53:15 -0400 | [diff] [blame] | 922 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 923 | } |
| 924 | } |
| 925 | } |
| 926 | |
| 927 | out: |
| 928 | lpfc_els_free_iocb(phba, cmdiocb); |
| 929 | return; |
| 930 | } |
| 931 | |
| 932 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 933 | lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 934 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 935 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 936 | struct serv_parm *sp; |
| 937 | IOCB_t *icmd; |
| 938 | struct lpfc_iocbq *elsiocb; |
| 939 | struct lpfc_sli_ring *pring; |
| 940 | struct lpfc_sli *psli; |
| 941 | uint8_t *pcmd; |
| 942 | uint16_t cmdsize; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 943 | int ret; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 944 | |
| 945 | psli = &phba->sli; |
| 946 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 947 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 948 | cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 949 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, NULL, did, |
| 950 | ELS_CMD_PLOGI); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 951 | if (!elsiocb) |
| 952 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 953 | |
| 954 | icmd = &elsiocb->iocb; |
| 955 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 956 | |
| 957 | /* For PLOGI request, remainder of payload is service parameters */ |
| 958 | *((uint32_t *) (pcmd)) = ELS_CMD_PLOGI; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 959 | pcmd += sizeof(uint32_t); |
| 960 | memcpy(pcmd, &vport->fc_sparam, sizeof(struct serv_parm)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 961 | sp = (struct serv_parm *) pcmd; |
| 962 | |
| 963 | if (sp->cmn.fcphLow < FC_PH_4_3) |
| 964 | sp->cmn.fcphLow = FC_PH_4_3; |
| 965 | |
| 966 | if (sp->cmn.fcphHigh < FC_PH3) |
| 967 | sp->cmn.fcphHigh = FC_PH3; |
| 968 | |
| 969 | phba->fc_stat.elsXmitPLOGI++; |
| 970 | elsiocb->iocb_cmpl = lpfc_cmpl_els_plogi; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 971 | ret = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| 972 | |
| 973 | if (ret == IOCB_ERROR) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 974 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 975 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 976 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 977 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 978 | } |
| 979 | |
| 980 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 981 | lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 982 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 983 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 984 | struct lpfc_vport *vport = cmdiocb->vport; |
| 985 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 986 | IOCB_t *irsp; |
| 987 | struct lpfc_sli *psli; |
| 988 | struct lpfc_nodelist *ndlp; |
| 989 | |
| 990 | psli = &phba->sli; |
| 991 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
| 992 | cmdiocb->context_un.rsp_iocb = rspiocb; |
| 993 | |
| 994 | irsp = &(rspiocb->iocb); |
| 995 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 996 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 997 | ndlp->nlp_flag &= ~NLP_PRLI_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 998 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 999 | |
| 1000 | /* PRLI completes to NPort <nlp_DID> */ |
| 1001 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1002 | "%d (%d):0103 PRLI completes to NPort x%x " |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1003 | "Data: x%x x%x x%x x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1004 | phba->brd_no, vport->vpi, ndlp->nlp_DID, |
| 1005 | irsp->ulpStatus, irsp->un.ulpWord[4], irsp->ulpTimeout, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1006 | vport->num_disc_nodes); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1007 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1008 | vport->fc_prli_sent--; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1009 | /* Check to see if link went down during discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1010 | if (lpfc_els_chk_latt(vport)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1011 | goto out; |
| 1012 | |
| 1013 | if (irsp->ulpStatus) { |
| 1014 | /* Check for retry */ |
| 1015 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { |
| 1016 | /* ELS command is being retried */ |
| 1017 | goto out; |
| 1018 | } |
| 1019 | /* PRLI failed */ |
| 1020 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ |
| 1021 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1022 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || |
| 1023 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || |
| 1024 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1025 | goto out; |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1026 | } else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1027 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1028 | NLP_EVT_CMPL_PRLI); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1029 | } |
| 1030 | } else { |
| 1031 | /* Good status, call state machine */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1032 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1033 | NLP_EVT_CMPL_PRLI); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1034 | } |
| 1035 | |
| 1036 | out: |
| 1037 | lpfc_els_free_iocb(phba, cmdiocb); |
| 1038 | return; |
| 1039 | } |
| 1040 | |
| 1041 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1042 | lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1043 | uint8_t retry) |
| 1044 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1045 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 1046 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1047 | PRLI *npr; |
| 1048 | IOCB_t *icmd; |
| 1049 | struct lpfc_iocbq *elsiocb; |
| 1050 | struct lpfc_sli_ring *pring; |
| 1051 | struct lpfc_sli *psli; |
| 1052 | uint8_t *pcmd; |
| 1053 | uint16_t cmdsize; |
| 1054 | |
| 1055 | psli = &phba->sli; |
| 1056 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 1057 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1058 | cmdsize = (sizeof(uint32_t) + sizeof(PRLI)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1059 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
| 1060 | ndlp->nlp_DID, ELS_CMD_PRLI); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1061 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1062 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1063 | |
| 1064 | icmd = &elsiocb->iocb; |
| 1065 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1066 | |
| 1067 | /* For PRLI request, remainder of payload is service parameters */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1068 | memset(pcmd, 0, (sizeof(PRLI) + sizeof(uint32_t))); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1069 | *((uint32_t *) (pcmd)) = ELS_CMD_PRLI; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1070 | pcmd += sizeof(uint32_t); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1071 | |
| 1072 | /* For PRLI, remainder of payload is PRLI parameter page */ |
| 1073 | npr = (PRLI *) pcmd; |
| 1074 | /* |
| 1075 | * If our firmware version is 3.20 or later, |
| 1076 | * set the following bits for FC-TAPE support. |
| 1077 | */ |
| 1078 | if (phba->vpd.rev.feaLevelHigh >= 0x02) { |
| 1079 | npr->ConfmComplAllowed = 1; |
| 1080 | npr->Retry = 1; |
| 1081 | npr->TaskRetryIdReq = 1; |
| 1082 | } |
| 1083 | npr->estabImagePair = 1; |
| 1084 | npr->readXferRdyDis = 1; |
| 1085 | |
| 1086 | /* For FCP support */ |
| 1087 | npr->prliType = PRLI_FCP_TYPE; |
| 1088 | npr->initiatorFunc = 1; |
| 1089 | |
| 1090 | phba->fc_stat.elsXmitPRLI++; |
| 1091 | elsiocb->iocb_cmpl = lpfc_cmpl_els_prli; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1092 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1093 | ndlp->nlp_flag |= NLP_PRLI_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1094 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1095 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1096 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1097 | ndlp->nlp_flag &= ~NLP_PRLI_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1098 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1099 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1100 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1101 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1102 | vport->fc_prli_sent++; |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1103 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1104 | } |
| 1105 | |
| 1106 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1107 | lpfc_more_adisc(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1108 | { |
| 1109 | int sentadisc; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1110 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1111 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1112 | if (vport->num_disc_nodes) |
| 1113 | vport->num_disc_nodes--; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1114 | |
| 1115 | /* Continue discovery with <num_disc_nodes> ADISCs to go */ |
| 1116 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1117 | "%d (%d):0210 Continue discovery with %d ADISCs to go " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1118 | "Data: x%x x%x x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1119 | phba->brd_no, vport->vpi, vport->num_disc_nodes, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1120 | vport->fc_adisc_cnt, vport->fc_flag, vport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1121 | |
| 1122 | /* Check to see if there are more ADISCs to be sent */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1123 | if (vport->fc_flag & FC_NLP_MORE) { |
| 1124 | lpfc_set_disctmo(vport); |
| 1125 | /* go thru NPR nodes and issue any remaining ELS ADISCs */ |
| 1126 | sentadisc = lpfc_els_disc_adisc(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1127 | } |
| 1128 | return; |
| 1129 | } |
| 1130 | |
| 1131 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1132 | lpfc_rscn_disc(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1133 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1134 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 1135 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1136 | /* RSCN discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1137 | /* go thru NPR nodes and issue ELS PLOGIs */ |
| 1138 | if (vport->fc_npr_cnt) |
| 1139 | if (lpfc_els_disc_plogi(vport)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1140 | return; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1141 | |
| 1142 | if (vport->fc_flag & FC_RSCN_MODE) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1143 | /* Check to see if more RSCNs came in while we were |
| 1144 | * processing this one. |
| 1145 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1146 | if ((vport->fc_rscn_id_cnt == 0) && |
| 1147 | (!(vport->fc_flag & FC_RSCN_DISCOVERY))) { |
| 1148 | spin_lock_irq(shost->host_lock); |
| 1149 | vport->fc_flag &= ~FC_RSCN_MODE; |
| 1150 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1151 | } else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1152 | lpfc_els_handle_rscn(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1153 | } |
| 1154 | } |
| 1155 | } |
| 1156 | |
| 1157 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1158 | lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 1159 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1160 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1161 | struct lpfc_vport *vport = cmdiocb->vport; |
| 1162 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1163 | IOCB_t *irsp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1164 | struct lpfc_nodelist *ndlp; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1165 | int disc; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1166 | |
| 1167 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
| 1168 | cmdiocb->context_un.rsp_iocb = rspiocb; |
| 1169 | |
| 1170 | irsp = &(rspiocb->iocb); |
| 1171 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1172 | |
| 1173 | /* Since ndlp can be freed in the disc state machine, note if this node |
| 1174 | * is being used during discovery. |
| 1175 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1176 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1177 | disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1178 | ndlp->nlp_flag &= ~(NLP_ADISC_SND | NLP_NPR_2B_DISC); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1179 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1180 | |
| 1181 | /* ADISC completes to NPort <nlp_DID> */ |
| 1182 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1183 | "%d (%d):0104 ADISC completes to NPort x%x " |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1184 | "Data: x%x x%x x%x x%x x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1185 | phba->brd_no, vport->vpi, ndlp->nlp_DID, |
| 1186 | irsp->ulpStatus, irsp->un.ulpWord[4], irsp->ulpTimeout, |
| 1187 | disc, vport->num_disc_nodes); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1188 | |
| 1189 | /* Check to see if link went down during discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1190 | if (lpfc_els_chk_latt(vport)) { |
| 1191 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1192 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1193 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1194 | goto out; |
| 1195 | } |
| 1196 | |
| 1197 | if (irsp->ulpStatus) { |
| 1198 | /* Check for retry */ |
| 1199 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { |
| 1200 | /* ELS command is being retried */ |
| 1201 | if (disc) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1202 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1203 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1204 | spin_unlock_irq(shost->host_lock); |
| 1205 | lpfc_set_disctmo(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1206 | } |
| 1207 | goto out; |
| 1208 | } |
| 1209 | /* ADISC failed */ |
| 1210 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1211 | if ((irsp->ulpStatus != IOSTAT_LOCAL_REJECT) || |
| 1212 | ((irsp->un.ulpWord[4] != IOERR_SLI_ABORTED) && |
| 1213 | (irsp->un.ulpWord[4] != IOERR_LINK_DOWN) && |
| 1214 | (irsp->un.ulpWord[4] != IOERR_SLI_DOWN))) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1215 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1216 | NLP_EVT_CMPL_ADISC); |
| 1217 | } |
| 1218 | } else { |
| 1219 | /* Good status, call state machine */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1220 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1221 | NLP_EVT_CMPL_ADISC); |
| 1222 | } |
| 1223 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1224 | if (disc && vport->num_disc_nodes) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1225 | /* Check to see if there are more ADISCs to be sent */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1226 | lpfc_more_adisc(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1227 | |
| 1228 | /* Check to see if we are done with ADISC authentication */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1229 | if (vport->num_disc_nodes == 0) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1230 | /* If we get here, there is nothing left to ADISC */ |
| 1231 | /* |
| 1232 | * For NPIV, cmpl_reg_vpi will set port_state to READY, |
| 1233 | * and continue discovery. |
| 1234 | */ |
| 1235 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
| 1236 | !(vport->fc_flag & FC_RSCN_MODE)) { |
| 1237 | lpfc_issue_reg_vpi(phba, vport); |
| 1238 | goto out; |
| 1239 | } |
| 1240 | /* |
| 1241 | * For SLI2, we need to set port_state to READY |
| 1242 | * and continue discovery. |
| 1243 | */ |
| 1244 | if (vport->port_state < LPFC_VPORT_READY) { |
| 1245 | /* If we get here, there is nothing to ADISC */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1246 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1247 | lpfc_issue_clear_la(phba, vport); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1248 | |
| 1249 | if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) { |
| 1250 | vport->num_disc_nodes = 0; |
| 1251 | /* go thru NPR list, issue ELS PLOGIs */ |
| 1252 | if (vport->fc_npr_cnt) |
| 1253 | lpfc_els_disc_plogi(vport); |
| 1254 | |
| 1255 | if (!vport->num_disc_nodes) { |
| 1256 | spin_lock_irq(shost->host_lock); |
| 1257 | vport->fc_flag &= |
| 1258 | ~FC_NDISC_ACTIVE; |
| 1259 | spin_unlock_irq( |
| 1260 | shost->host_lock); |
| 1261 | lpfc_can_disctmo(vport); |
| 1262 | } |
| 1263 | } |
| 1264 | vport->port_state = LPFC_VPORT_READY; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1265 | } else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1266 | lpfc_rscn_disc(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1267 | } |
| 1268 | } |
| 1269 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1270 | out: |
| 1271 | lpfc_els_free_iocb(phba, cmdiocb); |
| 1272 | return; |
| 1273 | } |
| 1274 | |
| 1275 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1276 | lpfc_issue_els_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1277 | uint8_t retry) |
| 1278 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1279 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 1280 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1281 | ADISC *ap; |
| 1282 | IOCB_t *icmd; |
| 1283 | struct lpfc_iocbq *elsiocb; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1284 | struct lpfc_sli *psli = &phba->sli; |
| 1285 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1286 | uint8_t *pcmd; |
| 1287 | uint16_t cmdsize; |
| 1288 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1289 | cmdsize = (sizeof(uint32_t) + sizeof(ADISC)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1290 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
| 1291 | ndlp->nlp_DID, ELS_CMD_ADISC); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1292 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1293 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1294 | |
| 1295 | icmd = &elsiocb->iocb; |
| 1296 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1297 | |
| 1298 | /* For ADISC request, remainder of payload is service parameters */ |
| 1299 | *((uint32_t *) (pcmd)) = ELS_CMD_ADISC; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1300 | pcmd += sizeof(uint32_t); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1301 | |
| 1302 | /* Fill in ADISC payload */ |
| 1303 | ap = (ADISC *) pcmd; |
| 1304 | ap->hardAL_PA = phba->fc_pref_ALPA; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1305 | memcpy(&ap->portName, &vport->fc_portname, sizeof(struct lpfc_name)); |
| 1306 | memcpy(&ap->nodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1307 | ap->DID = be32_to_cpu(vport->fc_myDID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1308 | |
| 1309 | phba->fc_stat.elsXmitADISC++; |
| 1310 | elsiocb->iocb_cmpl = lpfc_cmpl_els_adisc; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1311 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1312 | ndlp->nlp_flag |= NLP_ADISC_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1313 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1314 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1315 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1316 | ndlp->nlp_flag &= ~NLP_ADISC_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1317 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1318 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1319 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1320 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1321 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1322 | } |
| 1323 | |
| 1324 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1325 | lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 1326 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1327 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1328 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| 1329 | struct lpfc_vport *vport = ndlp->vport; |
| 1330 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1331 | IOCB_t *irsp; |
| 1332 | struct lpfc_sli *psli; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1333 | |
| 1334 | psli = &phba->sli; |
| 1335 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
| 1336 | cmdiocb->context_un.rsp_iocb = rspiocb; |
| 1337 | |
| 1338 | irsp = &(rspiocb->iocb); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1339 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1340 | ndlp->nlp_flag &= ~NLP_LOGO_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1341 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1342 | |
| 1343 | /* LOGO completes to NPort <nlp_DID> */ |
| 1344 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1345 | "%d (%d):0105 LOGO completes to NPort x%x " |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1346 | "Data: x%x x%x x%x x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1347 | phba->brd_no, vport->vpi, ndlp->nlp_DID, |
| 1348 | irsp->ulpStatus, irsp->un.ulpWord[4], irsp->ulpTimeout, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1349 | vport->num_disc_nodes); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1350 | |
| 1351 | /* Check to see if link went down during discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1352 | if (lpfc_els_chk_latt(vport)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1353 | goto out; |
| 1354 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1355 | if (ndlp->nlp_flag & NLP_TARGET_REMOVE) { |
| 1356 | /* NLP_EVT_DEVICE_RM should unregister the RPI |
| 1357 | * which should abort all outstanding IOs. |
| 1358 | */ |
| 1359 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
| 1360 | NLP_EVT_DEVICE_RM); |
| 1361 | goto out; |
| 1362 | } |
| 1363 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1364 | if (irsp->ulpStatus) { |
| 1365 | /* Check for retry */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1366 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1367 | /* ELS command is being retried */ |
| 1368 | goto out; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1369 | /* LOGO failed */ |
| 1370 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ |
| 1371 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1372 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || |
| 1373 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || |
| 1374 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1375 | goto out; |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 1376 | } else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1377 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1378 | NLP_EVT_CMPL_LOGO); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1379 | } |
| 1380 | } else { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1381 | /* Good status, call state machine. |
| 1382 | * This will unregister the rpi if needed. |
| 1383 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1384 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1385 | NLP_EVT_CMPL_LOGO); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1386 | } |
| 1387 | |
| 1388 | out: |
| 1389 | lpfc_els_free_iocb(phba, cmdiocb); |
| 1390 | return; |
| 1391 | } |
| 1392 | |
| 1393 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1394 | lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1395 | uint8_t retry) |
| 1396 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1397 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 1398 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1399 | IOCB_t *icmd; |
| 1400 | struct lpfc_iocbq *elsiocb; |
| 1401 | struct lpfc_sli_ring *pring; |
| 1402 | struct lpfc_sli *psli; |
| 1403 | uint8_t *pcmd; |
| 1404 | uint16_t cmdsize; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1405 | int rc; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1406 | |
| 1407 | psli = &phba->sli; |
| 1408 | pring = &psli->ring[LPFC_ELS_RING]; |
| 1409 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1410 | cmdsize = (2 * sizeof(uint32_t)) + sizeof(struct lpfc_name); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1411 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
| 1412 | ndlp->nlp_DID, ELS_CMD_LOGO); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1413 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1414 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1415 | |
| 1416 | icmd = &elsiocb->iocb; |
| 1417 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1418 | *((uint32_t *) (pcmd)) = ELS_CMD_LOGO; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1419 | pcmd += sizeof(uint32_t); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1420 | |
| 1421 | /* Fill in LOGO payload */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1422 | *((uint32_t *) (pcmd)) = be32_to_cpu(vport->fc_myDID); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1423 | pcmd += sizeof(uint32_t); |
| 1424 | memcpy(pcmd, &vport->fc_portname, sizeof(struct lpfc_name)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1425 | |
| 1426 | phba->fc_stat.elsXmitLOGO++; |
| 1427 | elsiocb->iocb_cmpl = lpfc_cmpl_els_logo; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1428 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1429 | ndlp->nlp_flag |= NLP_LOGO_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1430 | spin_unlock_irq(shost->host_lock); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1431 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| 1432 | |
| 1433 | if (rc == IOCB_ERROR) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1434 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1435 | ndlp->nlp_flag &= ~NLP_LOGO_SND; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1436 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1437 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1438 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1439 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1440 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1441 | } |
| 1442 | |
| 1443 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1444 | lpfc_cmpl_els_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 1445 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1446 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1447 | struct lpfc_vport *vport = cmdiocb->vport; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1448 | IOCB_t *irsp; |
| 1449 | |
| 1450 | irsp = &rspiocb->iocb; |
| 1451 | |
| 1452 | /* ELS cmd tag <ulpIoTag> completes */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1453 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 1454 | "%d (%d):0106 ELS cmd tag x%x completes Data: x%x x%x " |
| 1455 | "x%x\n", |
| 1456 | phba->brd_no, vport->vpi, |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1457 | irsp->ulpIoTag, irsp->ulpStatus, |
| 1458 | irsp->un.ulpWord[4], irsp->ulpTimeout); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1459 | |
| 1460 | /* Check to see if link went down during discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1461 | lpfc_els_chk_latt(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1462 | lpfc_els_free_iocb(phba, cmdiocb); |
| 1463 | return; |
| 1464 | } |
| 1465 | |
| 1466 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1467 | lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1468 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1469 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1470 | IOCB_t *icmd; |
| 1471 | struct lpfc_iocbq *elsiocb; |
| 1472 | struct lpfc_sli_ring *pring; |
| 1473 | struct lpfc_sli *psli; |
| 1474 | uint8_t *pcmd; |
| 1475 | uint16_t cmdsize; |
| 1476 | struct lpfc_nodelist *ndlp; |
| 1477 | |
| 1478 | psli = &phba->sli; |
| 1479 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1480 | cmdsize = (sizeof(uint32_t) + sizeof(SCR)); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1481 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
| 1482 | if (!ndlp) |
| 1483 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1484 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1485 | lpfc_nlp_init(vport, ndlp, nportid); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1486 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1487 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
| 1488 | ndlp->nlp_DID, ELS_CMD_SCR); |
| 1489 | |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1490 | if (!elsiocb) { |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1491 | lpfc_nlp_put(ndlp); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1492 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1493 | } |
| 1494 | |
| 1495 | icmd = &elsiocb->iocb; |
| 1496 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1497 | |
| 1498 | *((uint32_t *) (pcmd)) = ELS_CMD_SCR; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1499 | pcmd += sizeof(uint32_t); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1500 | |
| 1501 | /* For SCR, remainder of payload is SCR parameter page */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1502 | memset(pcmd, 0, sizeof(SCR)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1503 | ((SCR *) pcmd)->Function = SCR_FUNC_FULL; |
| 1504 | |
| 1505 | phba->fc_stat.elsXmitSCR++; |
| 1506 | elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1507 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1508 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1509 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1510 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1511 | } |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1512 | lpfc_nlp_put(ndlp); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1513 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1514 | } |
| 1515 | |
| 1516 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1517 | lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1518 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1519 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1520 | IOCB_t *icmd; |
| 1521 | struct lpfc_iocbq *elsiocb; |
| 1522 | struct lpfc_sli_ring *pring; |
| 1523 | struct lpfc_sli *psli; |
| 1524 | FARP *fp; |
| 1525 | uint8_t *pcmd; |
| 1526 | uint32_t *lp; |
| 1527 | uint16_t cmdsize; |
| 1528 | struct lpfc_nodelist *ondlp; |
| 1529 | struct lpfc_nodelist *ndlp; |
| 1530 | |
| 1531 | psli = &phba->sli; |
| 1532 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1533 | cmdsize = (sizeof(uint32_t) + sizeof(FARP)); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1534 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
| 1535 | if (!ndlp) |
| 1536 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1537 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1538 | lpfc_nlp_init(vport, ndlp, nportid); |
| 1539 | |
| 1540 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
| 1541 | ndlp->nlp_DID, ELS_CMD_RNID); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1542 | if (!elsiocb) { |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1543 | lpfc_nlp_put(ndlp); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1544 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1545 | } |
| 1546 | |
| 1547 | icmd = &elsiocb->iocb; |
| 1548 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 1549 | |
| 1550 | *((uint32_t *) (pcmd)) = ELS_CMD_FARPR; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1551 | pcmd += sizeof(uint32_t); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1552 | |
| 1553 | /* Fill in FARPR payload */ |
| 1554 | fp = (FARP *) (pcmd); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1555 | memset(fp, 0, sizeof(FARP)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1556 | lp = (uint32_t *) pcmd; |
| 1557 | *lp++ = be32_to_cpu(nportid); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1558 | *lp++ = be32_to_cpu(vport->fc_myDID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1559 | fp->Rflags = 0; |
| 1560 | fp->Mflags = (FARP_MATCH_PORT | FARP_MATCH_NODE); |
| 1561 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1562 | memcpy(&fp->RportName, &vport->fc_portname, sizeof(struct lpfc_name)); |
| 1563 | memcpy(&fp->RnodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1564 | ondlp = lpfc_findnode_did(vport, nportid); |
| 1565 | if (ondlp) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1566 | memcpy(&fp->OportName, &ondlp->nlp_portname, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1567 | sizeof(struct lpfc_name)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1568 | memcpy(&fp->OnodeName, &ondlp->nlp_nodename, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1569 | sizeof(struct lpfc_name)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1570 | } |
| 1571 | |
| 1572 | phba->fc_stat.elsXmitFARPR++; |
| 1573 | elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1574 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1575 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1576 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1577 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1578 | } |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1579 | lpfc_nlp_put(ndlp); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1580 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1581 | } |
| 1582 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1583 | static void |
| 1584 | lpfc_end_rscn(struct lpfc_vport *vport) |
| 1585 | { |
| 1586 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 1587 | |
| 1588 | if (vport->fc_flag & FC_RSCN_MODE) { |
| 1589 | /* |
| 1590 | * Check to see if more RSCNs came in while we were |
| 1591 | * processing this one. |
| 1592 | */ |
| 1593 | if (vport->fc_rscn_id_cnt || |
| 1594 | (vport->fc_flag & FC_RSCN_DISCOVERY) != 0) |
| 1595 | lpfc_els_handle_rscn(vport); |
| 1596 | else { |
| 1597 | spin_lock_irq(shost->host_lock); |
| 1598 | vport->fc_flag &= ~FC_RSCN_MODE; |
| 1599 | spin_unlock_irq(shost->host_lock); |
| 1600 | } |
| 1601 | } |
| 1602 | } |
| 1603 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1604 | void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1605 | 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] | 1606 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1607 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 1608 | |
| 1609 | spin_lock_irq(shost->host_lock); |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1610 | nlp->nlp_flag &= ~NLP_DELAY_TMO; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1611 | spin_unlock_irq(shost->host_lock); |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1612 | del_timer_sync(&nlp->nlp_delayfunc); |
| 1613 | nlp->nlp_last_elscmd = 0; |
| 1614 | |
| 1615 | if (!list_empty(&nlp->els_retry_evt.evt_listp)) |
| 1616 | list_del_init(&nlp->els_retry_evt.evt_listp); |
| 1617 | |
| 1618 | if (nlp->nlp_flag & NLP_NPR_2B_DISC) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1619 | spin_lock_irq(shost->host_lock); |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1620 | nlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1621 | spin_unlock_irq(shost->host_lock); |
| 1622 | if (vport->num_disc_nodes) { |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1623 | /* Check to see if there are more |
| 1624 | * PLOGIs to be sent |
| 1625 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1626 | lpfc_more_plogi(vport); |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1627 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1628 | if (vport->num_disc_nodes == 0) { |
| 1629 | spin_lock_irq(shost->host_lock); |
| 1630 | vport->fc_flag &= ~FC_NDISC_ACTIVE; |
| 1631 | spin_unlock_irq(shost->host_lock); |
| 1632 | lpfc_can_disctmo(vport); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1633 | lpfc_end_rscn(vport); |
James Smart | fdcebe2 | 2006-03-07 15:04:01 -0500 | [diff] [blame] | 1634 | } |
| 1635 | } |
| 1636 | } |
| 1637 | return; |
| 1638 | } |
| 1639 | |
| 1640 | void |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1641 | lpfc_els_retry_delay(unsigned long ptr) |
| 1642 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1643 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) ptr; |
| 1644 | struct lpfc_vport *vport = ndlp->vport; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1645 | struct lpfc_hba *phba = vport->phba; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1646 | unsigned long flags; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1647 | struct lpfc_work_evt *evtp = &ndlp->els_retry_evt; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1648 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1649 | ndlp = (struct lpfc_nodelist *) ptr; |
| 1650 | phba = ndlp->vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1651 | evtp = &ndlp->els_retry_evt; |
| 1652 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1653 | spin_lock_irqsave(&phba->hbalock, flags); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1654 | if (!list_empty(&evtp->evt_listp)) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1655 | spin_unlock_irqrestore(&phba->hbalock, flags); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1656 | return; |
| 1657 | } |
| 1658 | |
| 1659 | evtp->evt_arg1 = ndlp; |
| 1660 | evtp->evt = LPFC_EVT_ELS_RETRY; |
| 1661 | list_add_tail(&evtp->evt_listp, &phba->work_list); |
| 1662 | if (phba->work_wait) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1663 | lpfc_worker_wake_up(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1664 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1665 | spin_unlock_irqrestore(&phba->hbalock, flags); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1666 | return; |
| 1667 | } |
| 1668 | |
| 1669 | void |
| 1670 | lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp) |
| 1671 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1672 | struct lpfc_vport *vport = ndlp->vport; |
| 1673 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 1674 | uint32_t cmd, did, retry; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1675 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1676 | spin_lock_irq(shost->host_lock); |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1677 | did = ndlp->nlp_DID; |
| 1678 | cmd = ndlp->nlp_last_elscmd; |
| 1679 | ndlp->nlp_last_elscmd = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1680 | |
| 1681 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1682 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1683 | return; |
| 1684 | } |
| 1685 | |
| 1686 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1687 | spin_unlock_irq(shost->host_lock); |
James Smart | 1a16968 | 2006-03-07 15:04:06 -0500 | [diff] [blame] | 1688 | /* |
| 1689 | * If a discovery event readded nlp_delayfunc after timer |
| 1690 | * firing and before processing the timer, cancel the |
| 1691 | * nlp_delayfunc. |
| 1692 | */ |
| 1693 | del_timer_sync(&ndlp->nlp_delayfunc); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1694 | retry = ndlp->nlp_retry; |
| 1695 | |
| 1696 | switch (cmd) { |
| 1697 | case ELS_CMD_FLOGI: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1698 | lpfc_issue_els_flogi(vport, ndlp, retry); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1699 | break; |
| 1700 | case ELS_CMD_PLOGI: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1701 | if (!lpfc_issue_els_plogi(vport, ndlp->nlp_DID, retry)) { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1702 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1703 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
Jamie Wellnitz | 6ad4253 | 2006-02-28 19:25:16 -0500 | [diff] [blame] | 1704 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1705 | break; |
| 1706 | case ELS_CMD_ADISC: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1707 | if (!lpfc_issue_els_adisc(vport, ndlp, retry)) { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1708 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1709 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
Jamie Wellnitz | 6ad4253 | 2006-02-28 19:25:16 -0500 | [diff] [blame] | 1710 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1711 | break; |
| 1712 | case ELS_CMD_PRLI: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1713 | if (!lpfc_issue_els_prli(vport, ndlp, retry)) { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1714 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1715 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
Jamie Wellnitz | 6ad4253 | 2006-02-28 19:25:16 -0500 | [diff] [blame] | 1716 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1717 | break; |
| 1718 | case ELS_CMD_LOGO: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1719 | if (!lpfc_issue_els_logo(vport, ndlp, retry)) { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1720 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1721 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
Jamie Wellnitz | 6ad4253 | 2006-02-28 19:25:16 -0500 | [diff] [blame] | 1722 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1723 | break; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1724 | case ELS_CMD_FDISC: |
| 1725 | lpfc_issue_els_fdisc(vport, ndlp, retry); |
| 1726 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1727 | } |
| 1728 | return; |
| 1729 | } |
| 1730 | |
| 1731 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1732 | lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 1733 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1734 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1735 | struct lpfc_vport *vport = cmdiocb->vport; |
| 1736 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 1737 | IOCB_t *irsp = &rspiocb->iocb; |
| 1738 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| 1739 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1740 | uint32_t *elscmd; |
| 1741 | struct ls_rjt stat; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1742 | int retry = 0, maxretry = lpfc_max_els_tries, delay = 0; |
| 1743 | uint32_t cmd = 0; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1744 | uint32_t did; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1745 | |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1746 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1747 | /* Note: context2 may be 0 for internal driver abort |
| 1748 | * of delays ELS command. |
| 1749 | */ |
| 1750 | |
| 1751 | if (pcmd && pcmd->virt) { |
| 1752 | elscmd = (uint32_t *) (pcmd->virt); |
| 1753 | cmd = *elscmd++; |
| 1754 | } |
| 1755 | |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1756 | if (ndlp) |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1757 | did = ndlp->nlp_DID; |
| 1758 | else { |
| 1759 | /* We should only hit this case for retrying PLOGI */ |
| 1760 | did = irsp->un.elsreq64.remoteID; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1761 | ndlp = lpfc_findnode_did(vport, did); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1762 | if (!ndlp && (cmd != ELS_CMD_PLOGI)) |
| 1763 | return 1; |
| 1764 | } |
| 1765 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1766 | switch (irsp->ulpStatus) { |
| 1767 | case IOSTAT_FCP_RSP_ERROR: |
| 1768 | case IOSTAT_REMOTE_STOP: |
| 1769 | break; |
| 1770 | |
| 1771 | case IOSTAT_LOCAL_REJECT: |
| 1772 | switch ((irsp->un.ulpWord[4] & 0xff)) { |
| 1773 | case IOERR_LOOP_OPEN_FAILURE: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1774 | if (cmd == ELS_CMD_PLOGI && cmdiocb->retry == 0) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1775 | delay = 1000; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1776 | retry = 1; |
| 1777 | break; |
| 1778 | |
| 1779 | case IOERR_SEQUENCE_TIMEOUT: |
| 1780 | retry = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1781 | break; |
| 1782 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1783 | case IOERR_ILLEGAL_COMMAND: |
| 1784 | if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) && |
| 1785 | (cmd == ELS_CMD_FDISC)) { |
| 1786 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, |
| 1787 | "%d (%d):0124 FDISC failed (3/6) retrying...\n", |
| 1788 | phba->brd_no, vport->vpi); |
| 1789 | lpfc_mbx_unreg_vpi(vport); |
| 1790 | retry = 1; |
| 1791 | /* Always retry for this case */ |
| 1792 | cmdiocb->retry = 0; |
| 1793 | } |
| 1794 | break; |
| 1795 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1796 | case IOERR_NO_RESOURCES: |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1797 | delay = 100; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1798 | retry = 1; |
| 1799 | break; |
| 1800 | |
| 1801 | case IOERR_INVALID_RPI: |
| 1802 | retry = 1; |
| 1803 | break; |
| 1804 | } |
| 1805 | break; |
| 1806 | |
| 1807 | case IOSTAT_NPORT_RJT: |
| 1808 | case IOSTAT_FABRIC_RJT: |
| 1809 | if (irsp->un.ulpWord[4] & RJT_UNAVAIL_TEMP) { |
| 1810 | retry = 1; |
| 1811 | break; |
| 1812 | } |
| 1813 | break; |
| 1814 | |
| 1815 | case IOSTAT_NPORT_BSY: |
| 1816 | case IOSTAT_FABRIC_BSY: |
| 1817 | retry = 1; |
| 1818 | break; |
| 1819 | |
| 1820 | case IOSTAT_LS_RJT: |
| 1821 | stat.un.lsRjtError = be32_to_cpu(irsp->un.ulpWord[4]); |
| 1822 | /* Added for Vendor specifc support |
| 1823 | * Just keep retrying for these Rsn / Exp codes |
| 1824 | */ |
| 1825 | switch (stat.un.b.lsRjtRsnCode) { |
| 1826 | case LSRJT_UNABLE_TPC: |
| 1827 | if (stat.un.b.lsRjtRsnCodeExp == |
| 1828 | LSEXP_CMD_IN_PROGRESS) { |
| 1829 | if (cmd == ELS_CMD_PLOGI) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1830 | delay = 1000; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1831 | maxretry = 48; |
| 1832 | } |
| 1833 | retry = 1; |
| 1834 | break; |
| 1835 | } |
| 1836 | if (cmd == ELS_CMD_PLOGI) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1837 | delay = 1000; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1838 | maxretry = lpfc_max_els_tries + 1; |
| 1839 | retry = 1; |
| 1840 | break; |
| 1841 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1842 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
| 1843 | (cmd == ELS_CMD_FDISC) && |
| 1844 | (stat.un.b.lsRjtRsnCodeExp == LSEXP_OUT_OF_RESOURCE)){ |
| 1845 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, |
| 1846 | "%d (%d):0125 FDISC Failed (x%x)." |
| 1847 | " Fabric out of resources\n", |
| 1848 | phba->brd_no, vport->vpi, stat.un.lsRjtError); |
| 1849 | lpfc_vport_set_state(vport, |
| 1850 | FC_VPORT_NO_FABRIC_RSCS); |
| 1851 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1852 | break; |
| 1853 | |
| 1854 | case LSRJT_LOGICAL_BSY: |
| 1855 | if (cmd == ELS_CMD_PLOGI) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1856 | delay = 1000; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1857 | maxretry = 48; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1858 | } else if (cmd == ELS_CMD_FDISC) { |
| 1859 | /* Always retry for this case */ |
| 1860 | cmdiocb->retry = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1861 | } |
| 1862 | retry = 1; |
| 1863 | break; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1864 | |
| 1865 | case LSRJT_LOGICAL_ERR: |
| 1866 | case LSRJT_PROTOCOL_ERR: |
| 1867 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
| 1868 | (cmd == ELS_CMD_FDISC) && |
| 1869 | ((stat.un.b.lsRjtRsnCodeExp == LSEXP_INVALID_PNAME) || |
| 1870 | (stat.un.b.lsRjtRsnCodeExp == LSEXP_INVALID_NPORT_ID)) |
| 1871 | ) { |
| 1872 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, |
| 1873 | "%d (%d):0123 FDISC Failed (x%x)." |
| 1874 | " Fabric Detected Bad WWN\n", |
| 1875 | phba->brd_no, vport->vpi, stat.un.lsRjtError); |
| 1876 | lpfc_vport_set_state(vport, |
| 1877 | FC_VPORT_FABRIC_REJ_WWN); |
| 1878 | } |
| 1879 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1880 | } |
| 1881 | break; |
| 1882 | |
| 1883 | case IOSTAT_INTERMED_RSP: |
| 1884 | case IOSTAT_BA_RJT: |
| 1885 | break; |
| 1886 | |
| 1887 | default: |
| 1888 | break; |
| 1889 | } |
| 1890 | |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1891 | if (did == FDMI_DID) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1892 | retry = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1893 | |
| 1894 | if ((++cmdiocb->retry) >= maxretry) { |
| 1895 | phba->fc_stat.elsRetryExceeded++; |
| 1896 | retry = 0; |
| 1897 | } |
| 1898 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1899 | if ((vport->load_flag & FC_UNLOADING) != 0) |
| 1900 | retry = 0; |
| 1901 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1902 | if (retry) { |
| 1903 | |
| 1904 | /* Retry ELS command <elsCmd> to remote NPORT <did> */ |
| 1905 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1906 | "%d (%d):0107 Retry ELS command x%x to remote " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1907 | "NPORT x%x Data: x%x x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1908 | phba->brd_no, vport->vpi, |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1909 | cmd, did, cmdiocb->retry, delay); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1910 | |
| 1911 | if ((cmd == ELS_CMD_PLOGI) || (cmd == ELS_CMD_ADISC)) { |
| 1912 | /* If discovery / RSCN timer is running, reset it */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1913 | if (timer_pending(&vport->fc_disctmo) || |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1914 | (vport->fc_flag & FC_RSCN_MODE)) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1915 | lpfc_set_disctmo(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1916 | } |
| 1917 | |
| 1918 | phba->fc_stat.elsXmitRetry++; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1919 | if (ndlp && delay) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1920 | phba->fc_stat.elsDelayRetry++; |
| 1921 | ndlp->nlp_retry = cmdiocb->retry; |
| 1922 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1923 | /* delay is specified in milliseconds */ |
| 1924 | mod_timer(&ndlp->nlp_delayfunc, |
| 1925 | jiffies + msecs_to_jiffies(delay)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1926 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1927 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1928 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1929 | |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1930 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1931 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1932 | ndlp->nlp_last_elscmd = cmd; |
| 1933 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1934 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1935 | } |
| 1936 | switch (cmd) { |
| 1937 | case ELS_CMD_FLOGI: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1938 | lpfc_issue_els_flogi(vport, ndlp, cmdiocb->retry); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1939 | return 1; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1940 | case ELS_CMD_FDISC: |
| 1941 | lpfc_issue_els_fdisc(vport, ndlp, cmdiocb->retry); |
| 1942 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1943 | case ELS_CMD_PLOGI: |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1944 | if (ndlp) { |
| 1945 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1946 | lpfc_nlp_set_state(vport, ndlp, |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 1947 | NLP_STE_PLOGI_ISSUE); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1948 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1949 | lpfc_issue_els_plogi(vport, did, cmdiocb->retry); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1950 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1951 | case ELS_CMD_ADISC: |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1952 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1953 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
| 1954 | lpfc_issue_els_adisc(vport, ndlp, cmdiocb->retry); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1955 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1956 | case ELS_CMD_PRLI: |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1957 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1958 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
| 1959 | lpfc_issue_els_prli(vport, ndlp, cmdiocb->retry); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1960 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1961 | case ELS_CMD_LOGO: |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 1962 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1963 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
| 1964 | lpfc_issue_els_logo(vport, ndlp, cmdiocb->retry); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1965 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1966 | } |
| 1967 | } |
| 1968 | |
| 1969 | /* No retry ELS command <elsCmd> to remote NPORT <did> */ |
| 1970 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 1971 | "%d (%d):0108 No retry ELS command x%x to remote " |
| 1972 | "NPORT x%x Data: x%x\n", |
| 1973 | phba->brd_no, vport->vpi, |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 1974 | cmd, did, cmdiocb->retry); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1975 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 1976 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1977 | } |
| 1978 | |
| 1979 | int |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1980 | lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1981 | { |
| 1982 | struct lpfc_dmabuf *buf_ptr, *buf_ptr1; |
| 1983 | |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 1984 | if (elsiocb->context1) { |
| 1985 | lpfc_nlp_put(elsiocb->context1); |
| 1986 | elsiocb->context1 = NULL; |
| 1987 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1988 | /* context2 = cmd, context2->next = rsp, context3 = bpl */ |
| 1989 | if (elsiocb->context2) { |
| 1990 | buf_ptr1 = (struct lpfc_dmabuf *) elsiocb->context2; |
| 1991 | /* Free the response before processing the command. */ |
| 1992 | if (!list_empty(&buf_ptr1->list)) { |
| 1993 | list_remove_head(&buf_ptr1->list, buf_ptr, |
| 1994 | struct lpfc_dmabuf, |
| 1995 | list); |
| 1996 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); |
| 1997 | kfree(buf_ptr); |
| 1998 | } |
| 1999 | lpfc_mbuf_free(phba, buf_ptr1->virt, buf_ptr1->phys); |
| 2000 | kfree(buf_ptr1); |
| 2001 | } |
| 2002 | |
| 2003 | if (elsiocb->context3) { |
| 2004 | buf_ptr = (struct lpfc_dmabuf *) elsiocb->context3; |
| 2005 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); |
| 2006 | kfree(buf_ptr); |
| 2007 | } |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 2008 | lpfc_sli_release_iocbq(phba, elsiocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2009 | return 0; |
| 2010 | } |
| 2011 | |
| 2012 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2013 | lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 2014 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2015 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2016 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| 2017 | struct lpfc_vport *vport = cmdiocb->vport; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2018 | |
| 2019 | /* ACC to LOGO completes to NPort <nlp_DID> */ |
| 2020 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2021 | "%d (%d):0109 ACC to LOGO completes to NPort x%x " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2022 | "Data: x%x x%x x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2023 | phba->brd_no, vport->vpi, ndlp->nlp_DID, |
| 2024 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2025 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2026 | switch (ndlp->nlp_state) { |
| 2027 | case NLP_STE_UNUSED_NODE: /* node is just allocated */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2028 | lpfc_drop_node(vport, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2029 | break; |
| 2030 | case NLP_STE_NPR_NODE: /* NPort Recovery mode */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2031 | lpfc_unreg_rpi(vport, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2032 | break; |
| 2033 | default: |
| 2034 | break; |
| 2035 | } |
| 2036 | lpfc_els_free_iocb(phba, cmdiocb); |
| 2037 | return; |
| 2038 | } |
| 2039 | |
| 2040 | static void |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2041 | lpfc_cmpl_els_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 2042 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2043 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2044 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| 2045 | struct lpfc_vport *vport = ndlp ? ndlp->vport : NULL; |
| 2046 | struct Scsi_Host *shost = vport ? lpfc_shost_from_vport(vport) : NULL; |
James Smart | 33ccf8d | 2006-08-17 11:57:58 -0400 | [diff] [blame] | 2047 | IOCB_t *irsp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2048 | LPFC_MBOXQ_t *mbox = NULL; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2049 | struct lpfc_dmabuf *mp = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2050 | |
James Smart | 33ccf8d | 2006-08-17 11:57:58 -0400 | [diff] [blame] | 2051 | irsp = &rspiocb->iocb; |
| 2052 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2053 | if (cmdiocb->context_un.mbox) |
| 2054 | mbox = cmdiocb->context_un.mbox; |
| 2055 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2056 | /* Check to see if link went down during discovery */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2057 | if (!ndlp || lpfc_els_chk_latt(vport)) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2058 | if (mbox) { |
James Smart | 1469115 | 2006-12-02 13:34:28 -0500 | [diff] [blame] | 2059 | mp = (struct lpfc_dmabuf *) mbox->context1; |
| 2060 | if (mp) { |
| 2061 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 2062 | kfree(mp); |
| 2063 | } |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2064 | mempool_free(mbox, phba->mbox_mem_pool); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2065 | } |
| 2066 | goto out; |
| 2067 | } |
| 2068 | |
| 2069 | /* ELS response tag <ulpIoTag> completes */ |
| 2070 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2071 | "%d (%d):0110 ELS response tag x%x completes " |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2072 | "Data: x%x x%x x%x x%x x%x x%x x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2073 | phba->brd_no, vport->vpi, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2074 | cmdiocb->iocb.ulpIoTag, rspiocb->iocb.ulpStatus, |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2075 | rspiocb->iocb.un.ulpWord[4], rspiocb->iocb.ulpTimeout, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2076 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2077 | ndlp->nlp_rpi); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2078 | |
| 2079 | if (mbox) { |
| 2080 | if ((rspiocb->iocb.ulpStatus == 0) |
| 2081 | && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2082 | lpfc_unreg_rpi(vport, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2083 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2084 | mbox->context2 = lpfc_nlp_get(ndlp); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2085 | mbox->vport = vport; |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 2086 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2087 | lpfc_nlp_set_state(vport, ndlp, |
| 2088 | NLP_STE_REG_LOGIN_ISSUE); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2089 | if (lpfc_sli_issue_mbox(phba, mbox, |
| 2090 | (MBX_NOWAIT | MBX_STOP_IOCB)) |
| 2091 | != MBX_NOT_FINISHED) { |
| 2092 | goto out; |
| 2093 | } |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2094 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2095 | /* NOTE: we should have messages for unsuccessful |
| 2096 | reglogin */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2097 | } else { |
James Smart | 33ccf8d | 2006-08-17 11:57:58 -0400 | [diff] [blame] | 2098 | /* Do not call NO_LIST for lpfc_els_abort'ed ELS cmds */ |
| 2099 | if (!((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && |
| 2100 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || |
| 2101 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || |
| 2102 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN)))) { |
| 2103 | if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2104 | lpfc_drop_node(vport, ndlp); |
James Smart | 33ccf8d | 2006-08-17 11:57:58 -0400 | [diff] [blame] | 2105 | ndlp = NULL; |
| 2106 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2107 | } |
| 2108 | } |
James Smart | 1469115 | 2006-12-02 13:34:28 -0500 | [diff] [blame] | 2109 | mp = (struct lpfc_dmabuf *) mbox->context1; |
| 2110 | if (mp) { |
| 2111 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 2112 | kfree(mp); |
| 2113 | } |
| 2114 | mempool_free(mbox, phba->mbox_mem_pool); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2115 | } |
| 2116 | out: |
| 2117 | if (ndlp) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2118 | spin_lock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2119 | ndlp->nlp_flag &= ~NLP_ACC_REGLOGIN; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2120 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2121 | } |
| 2122 | lpfc_els_free_iocb(phba, cmdiocb); |
| 2123 | return; |
| 2124 | } |
| 2125 | |
| 2126 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2127 | lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, |
| 2128 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp, |
| 2129 | LPFC_MBOXQ_t *mbox, uint8_t newnode) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2130 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2131 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 2132 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2133 | IOCB_t *icmd; |
| 2134 | IOCB_t *oldcmd; |
| 2135 | struct lpfc_iocbq *elsiocb; |
| 2136 | struct lpfc_sli_ring *pring; |
| 2137 | struct lpfc_sli *psli; |
| 2138 | uint8_t *pcmd; |
| 2139 | uint16_t cmdsize; |
| 2140 | int rc; |
James Smart | 82d9a2a | 2006-04-15 11:53:05 -0400 | [diff] [blame] | 2141 | ELS_PKT *els_pkt_ptr; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2142 | |
| 2143 | psli = &phba->sli; |
| 2144 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 2145 | oldcmd = &oldiocb->iocb; |
| 2146 | |
| 2147 | switch (flag) { |
| 2148 | case ELS_CMD_ACC: |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2149 | cmdsize = sizeof(uint32_t); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2150 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, |
| 2151 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 2152 | if (!elsiocb) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2153 | spin_lock_irq(shost->host_lock); |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 2154 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2155 | spin_unlock_irq(shost->host_lock); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2156 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2157 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2158 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2159 | icmd = &elsiocb->iocb; |
| 2160 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
| 2161 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 2162 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2163 | pcmd += sizeof(uint32_t); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2164 | break; |
| 2165 | case ELS_CMD_PLOGI: |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2166 | cmdsize = (sizeof(struct serv_parm) + sizeof(uint32_t)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2167 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, |
| 2168 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 2169 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2170 | return 1; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 2171 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2172 | icmd = &elsiocb->iocb; |
| 2173 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
| 2174 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 2175 | |
| 2176 | if (mbox) |
| 2177 | elsiocb->context_un.mbox = mbox; |
| 2178 | |
| 2179 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2180 | pcmd += sizeof(uint32_t); |
| 2181 | memcpy(pcmd, &vport->fc_sparam, sizeof(struct serv_parm)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2182 | break; |
James Smart | 82d9a2a | 2006-04-15 11:53:05 -0400 | [diff] [blame] | 2183 | case ELS_CMD_PRLO: |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2184 | cmdsize = sizeof(uint32_t) + sizeof(PRLO); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2185 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, |
James Smart | 82d9a2a | 2006-04-15 11:53:05 -0400 | [diff] [blame] | 2186 | ndlp, ndlp->nlp_DID, ELS_CMD_PRLO); |
| 2187 | if (!elsiocb) |
| 2188 | return 1; |
| 2189 | |
| 2190 | icmd = &elsiocb->iocb; |
| 2191 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
| 2192 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 2193 | |
| 2194 | memcpy(pcmd, ((struct lpfc_dmabuf *) oldiocb->context2)->virt, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2195 | sizeof(uint32_t) + sizeof(PRLO)); |
James Smart | 82d9a2a | 2006-04-15 11:53:05 -0400 | [diff] [blame] | 2196 | *((uint32_t *) (pcmd)) = ELS_CMD_PRLO_ACC; |
| 2197 | els_pkt_ptr = (ELS_PKT *) pcmd; |
| 2198 | els_pkt_ptr->un.prlo.acceptRspCode = PRLO_REQ_EXECUTED; |
| 2199 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2200 | default: |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2201 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2202 | } |
| 2203 | |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2204 | if (newnode) { |
| 2205 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2206 | elsiocb->context1 = NULL; |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2207 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2208 | |
| 2209 | /* Xmit ELS ACC response tag <ulpIoTag> */ |
| 2210 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2211 | "%d (%d):0128 Xmit ELS ACC response tag x%x, XRI: x%x, " |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 2212 | "DID: x%x, nlp_flag: x%x nlp_state: x%x RPI: x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2213 | phba->brd_no, vport->vpi, elsiocb->iotag, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2214 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
| 2215 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); |
| 2216 | |
| 2217 | if (ndlp->nlp_flag & NLP_LOGO_ACC) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2218 | spin_lock_irq(shost->host_lock); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2219 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2220 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2221 | elsiocb->iocb_cmpl = lpfc_cmpl_els_logo_acc; |
| 2222 | } else { |
| 2223 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; |
| 2224 | } |
| 2225 | |
| 2226 | phba->fc_stat.elsXmitACC++; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2227 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2228 | if (rc == IOCB_ERROR) { |
| 2229 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2230 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2231 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2232 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2233 | } |
| 2234 | |
| 2235 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2236 | lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError, |
| 2237 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2238 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2239 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2240 | IOCB_t *icmd; |
| 2241 | IOCB_t *oldcmd; |
| 2242 | struct lpfc_iocbq *elsiocb; |
| 2243 | struct lpfc_sli_ring *pring; |
| 2244 | struct lpfc_sli *psli; |
| 2245 | uint8_t *pcmd; |
| 2246 | uint16_t cmdsize; |
| 2247 | int rc; |
| 2248 | |
| 2249 | psli = &phba->sli; |
| 2250 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 2251 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2252 | cmdsize = 2 * sizeof(uint32_t); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2253 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
| 2254 | ndlp->nlp_DID, ELS_CMD_LS_RJT); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 2255 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2256 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2257 | |
| 2258 | icmd = &elsiocb->iocb; |
| 2259 | oldcmd = &oldiocb->iocb; |
| 2260 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
| 2261 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 2262 | |
| 2263 | *((uint32_t *) (pcmd)) = ELS_CMD_LS_RJT; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2264 | pcmd += sizeof(uint32_t); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2265 | *((uint32_t *) (pcmd)) = rejectError; |
| 2266 | |
| 2267 | /* Xmit ELS RJT <err> response tag <ulpIoTag> */ |
| 2268 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2269 | "%d (%d):0129 Xmit ELS RJT x%x response tag x%x " |
| 2270 | "xri x%x, did x%x, nlp_flag x%x, nlp_state x%x, " |
| 2271 | "rpi x%x\n", |
| 2272 | phba->brd_no, vport->vpi, rejectError, elsiocb->iotag, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2273 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
| 2274 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); |
| 2275 | |
| 2276 | phba->fc_stat.elsXmitLSRJT++; |
| 2277 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2278 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2279 | if (rc == IOCB_ERROR) { |
| 2280 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2281 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2282 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2283 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2284 | } |
| 2285 | |
| 2286 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2287 | lpfc_els_rsp_adisc_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, |
| 2288 | struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2289 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2290 | struct lpfc_hba *phba = vport->phba; |
| 2291 | struct lpfc_sli *psli = &phba->sli; |
| 2292 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2293 | ADISC *ap; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2294 | IOCB_t *icmd, *oldcmd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2295 | struct lpfc_iocbq *elsiocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2296 | uint8_t *pcmd; |
| 2297 | uint16_t cmdsize; |
| 2298 | int rc; |
| 2299 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2300 | cmdsize = sizeof(uint32_t) + sizeof(ADISC); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2301 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
| 2302 | ndlp->nlp_DID, ELS_CMD_ACC); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 2303 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2304 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2305 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2306 | icmd = &elsiocb->iocb; |
| 2307 | oldcmd = &oldiocb->iocb; |
| 2308 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 2309 | |
| 2310 | /* Xmit ADISC ACC response tag <ulpIoTag> */ |
| 2311 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2312 | "%d (%d):0130 Xmit ADISC ACC response iotag x%x xri: " |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 2313 | "x%x, did x%x, nlp_flag x%x, nlp_state x%x rpi x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2314 | phba->brd_no, vport->vpi, elsiocb->iotag, |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 2315 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
| 2316 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); |
| 2317 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2318 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 2319 | |
| 2320 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2321 | pcmd += sizeof(uint32_t); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2322 | |
| 2323 | ap = (ADISC *) (pcmd); |
| 2324 | ap->hardAL_PA = phba->fc_pref_ALPA; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2325 | memcpy(&ap->portName, &vport->fc_portname, sizeof(struct lpfc_name)); |
| 2326 | memcpy(&ap->nodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2327 | ap->DID = be32_to_cpu(vport->fc_myDID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2328 | |
| 2329 | phba->fc_stat.elsXmitACC++; |
| 2330 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2331 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2332 | if (rc == IOCB_ERROR) { |
| 2333 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2334 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2335 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2336 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2337 | } |
| 2338 | |
| 2339 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2340 | 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] | 2341 | struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2342 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2343 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2344 | PRLI *npr; |
| 2345 | lpfc_vpd_t *vpd; |
| 2346 | IOCB_t *icmd; |
| 2347 | IOCB_t *oldcmd; |
| 2348 | struct lpfc_iocbq *elsiocb; |
| 2349 | struct lpfc_sli_ring *pring; |
| 2350 | struct lpfc_sli *psli; |
| 2351 | uint8_t *pcmd; |
| 2352 | uint16_t cmdsize; |
| 2353 | int rc; |
| 2354 | |
| 2355 | psli = &phba->sli; |
| 2356 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ |
| 2357 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2358 | cmdsize = sizeof(uint32_t) + sizeof(PRLI); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2359 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2360 | ndlp->nlp_DID, (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK))); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2361 | if (!elsiocb) |
| 2362 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2363 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2364 | icmd = &elsiocb->iocb; |
| 2365 | oldcmd = &oldiocb->iocb; |
| 2366 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 2367 | |
| 2368 | /* Xmit PRLI ACC response tag <ulpIoTag> */ |
| 2369 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2370 | "%d (%d):0131 Xmit PRLI ACC response tag x%x xri x%x, " |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 2371 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2372 | phba->brd_no, vport->vpi, elsiocb->iotag, |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 2373 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
| 2374 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); |
| 2375 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2376 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 2377 | |
| 2378 | *((uint32_t *) (pcmd)) = (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK)); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2379 | pcmd += sizeof(uint32_t); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2380 | |
| 2381 | /* For PRLI, remainder of payload is PRLI parameter page */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2382 | memset(pcmd, 0, sizeof(PRLI)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2383 | |
| 2384 | npr = (PRLI *) pcmd; |
| 2385 | vpd = &phba->vpd; |
| 2386 | /* |
| 2387 | * If our firmware version is 3.20 or later, |
| 2388 | * set the following bits for FC-TAPE support. |
| 2389 | */ |
| 2390 | if (vpd->rev.feaLevelHigh >= 0x02) { |
| 2391 | npr->ConfmComplAllowed = 1; |
| 2392 | npr->Retry = 1; |
| 2393 | npr->TaskRetryIdReq = 1; |
| 2394 | } |
| 2395 | |
| 2396 | npr->acceptRspCode = PRLI_REQ_EXECUTED; |
| 2397 | npr->estabImagePair = 1; |
| 2398 | npr->readXferRdyDis = 1; |
| 2399 | npr->ConfmComplAllowed = 1; |
| 2400 | |
| 2401 | npr->prliType = PRLI_FCP_TYPE; |
| 2402 | npr->initiatorFunc = 1; |
| 2403 | |
| 2404 | phba->fc_stat.elsXmitACC++; |
| 2405 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; |
| 2406 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2407 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2408 | if (rc == IOCB_ERROR) { |
| 2409 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2410 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2411 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2412 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2413 | } |
| 2414 | |
| 2415 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2416 | lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format, |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2417 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2418 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2419 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2420 | RNID *rn; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2421 | IOCB_t *icmd, *oldcmd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2422 | struct lpfc_iocbq *elsiocb; |
| 2423 | struct lpfc_sli_ring *pring; |
| 2424 | struct lpfc_sli *psli; |
| 2425 | uint8_t *pcmd; |
| 2426 | uint16_t cmdsize; |
| 2427 | int rc; |
| 2428 | |
| 2429 | psli = &phba->sli; |
| 2430 | pring = &psli->ring[LPFC_ELS_RING]; |
| 2431 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2432 | cmdsize = sizeof(uint32_t) + sizeof(uint32_t) |
| 2433 | + (2 * sizeof(struct lpfc_name)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2434 | if (format) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2435 | cmdsize += sizeof(RNID_TOP_DISC); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2436 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2437 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
| 2438 | ndlp->nlp_DID, ELS_CMD_ACC); |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 2439 | if (!elsiocb) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2440 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2441 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2442 | icmd = &elsiocb->iocb; |
| 2443 | oldcmd = &oldiocb->iocb; |
| 2444 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 2445 | |
| 2446 | /* Xmit RNID ACC response tag <ulpIoTag> */ |
| 2447 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2448 | "%d (%d):0132 Xmit RNID ACC response tag x%x " |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 2449 | "xri x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2450 | phba->brd_no, vport->vpi, elsiocb->iotag, |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 2451 | elsiocb->iocb.ulpContext); |
| 2452 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2453 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 2454 | |
| 2455 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2456 | pcmd += sizeof(uint32_t); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2457 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2458 | memset(pcmd, 0, sizeof(RNID)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2459 | rn = (RNID *) (pcmd); |
| 2460 | rn->Format = format; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2461 | rn->CommonLen = (2 * sizeof(struct lpfc_name)); |
| 2462 | memcpy(&rn->portName, &vport->fc_portname, sizeof(struct lpfc_name)); |
| 2463 | memcpy(&rn->nodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2464 | switch (format) { |
| 2465 | case 0: |
| 2466 | rn->SpecificLen = 0; |
| 2467 | break; |
| 2468 | case RNID_TOPOLOGY_DISC: |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2469 | rn->SpecificLen = sizeof(RNID_TOP_DISC); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2470 | memcpy(&rn->un.topologyDisc.portName, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2471 | &vport->fc_portname, sizeof(struct lpfc_name)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2472 | rn->un.topologyDisc.unitType = RNID_HBA; |
| 2473 | rn->un.topologyDisc.physPort = 0; |
| 2474 | rn->un.topologyDisc.attachedNodes = 0; |
| 2475 | break; |
| 2476 | default: |
| 2477 | rn->CommonLen = 0; |
| 2478 | rn->SpecificLen = 0; |
| 2479 | break; |
| 2480 | } |
| 2481 | |
| 2482 | phba->fc_stat.elsXmitACC++; |
| 2483 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2484 | lpfc_nlp_put(ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2485 | elsiocb->context1 = NULL; /* Don't need ndlp for cmpl, |
| 2486 | * it could be freed */ |
| 2487 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2488 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2489 | if (rc == IOCB_ERROR) { |
| 2490 | lpfc_els_free_iocb(phba, elsiocb); |
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 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2493 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2494 | } |
| 2495 | |
| 2496 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2497 | lpfc_els_disc_adisc(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2498 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2499 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2500 | struct lpfc_nodelist *ndlp, *next_ndlp; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2501 | int sentadisc = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2502 | |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2503 | /* go thru NPR nodes and issue any remaining ELS ADISCs */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2504 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2505 | if (ndlp->nlp_state == NLP_STE_NPR_NODE && |
| 2506 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && |
| 2507 | (ndlp->nlp_flag & NLP_NPR_ADISC) != 0) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2508 | spin_lock_irq(shost->host_lock); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2509 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2510 | spin_unlock_irq(shost->host_lock); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2511 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2512 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
| 2513 | lpfc_issue_els_adisc(vport, ndlp, 0); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2514 | sentadisc++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2515 | vport->num_disc_nodes++; |
| 2516 | if (vport->num_disc_nodes >= |
| 2517 | vport->phba->cfg_discovery_threads) { |
| 2518 | spin_lock_irq(shost->host_lock); |
| 2519 | vport->fc_flag |= FC_NLP_MORE; |
| 2520 | spin_unlock_irq(shost->host_lock); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2521 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2522 | } |
| 2523 | } |
| 2524 | } |
| 2525 | if (sentadisc == 0) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2526 | spin_lock_irq(shost->host_lock); |
| 2527 | vport->fc_flag &= ~FC_NLP_MORE; |
| 2528 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2529 | } |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 2530 | return sentadisc; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2531 | } |
| 2532 | |
| 2533 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2534 | lpfc_els_disc_plogi(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2535 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2536 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2537 | struct lpfc_nodelist *ndlp, *next_ndlp; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2538 | int sentplogi = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2539 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2540 | /* go thru NPR nodes and issue any remaining ELS PLOGIs */ |
| 2541 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2542 | if (ndlp->nlp_state == NLP_STE_NPR_NODE && |
| 2543 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && |
| 2544 | (ndlp->nlp_flag & NLP_DELAY_TMO) == 0 && |
| 2545 | (ndlp->nlp_flag & NLP_NPR_ADISC) == 0) { |
| 2546 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2547 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
| 2548 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2549 | sentplogi++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2550 | vport->num_disc_nodes++; |
| 2551 | if (vport->num_disc_nodes >= |
| 2552 | vport->phba->cfg_discovery_threads) { |
| 2553 | spin_lock_irq(shost->host_lock); |
| 2554 | vport->fc_flag |= FC_NLP_MORE; |
| 2555 | spin_unlock_irq(shost->host_lock); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2556 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2557 | } |
| 2558 | } |
| 2559 | } |
| 2560 | if (sentplogi == 0) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2561 | spin_lock_irq(shost->host_lock); |
| 2562 | vport->fc_flag &= ~FC_NLP_MORE; |
| 2563 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2564 | } |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 2565 | return sentplogi; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2566 | } |
| 2567 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2568 | void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2569 | lpfc_els_flush_rscn(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2570 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2571 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 2572 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2573 | int i; |
| 2574 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2575 | for (i = 0; i < vport->fc_rscn_id_cnt; i++) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2576 | lpfc_in_buf_free(phba, vport->fc_rscn_id_list[i]); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2577 | vport->fc_rscn_id_list[i] = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2578 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2579 | spin_lock_irq(shost->host_lock); |
| 2580 | vport->fc_rscn_id_cnt = 0; |
| 2581 | vport->fc_flag &= ~(FC_RSCN_MODE | FC_RSCN_DISCOVERY); |
| 2582 | spin_unlock_irq(shost->host_lock); |
| 2583 | lpfc_can_disctmo(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2584 | } |
| 2585 | |
| 2586 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2587 | lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2588 | { |
| 2589 | D_ID ns_did; |
| 2590 | D_ID rscn_did; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2591 | uint32_t *lp; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2592 | uint32_t payload_len, i; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2593 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2594 | |
| 2595 | ns_did.un.word = did; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2596 | |
| 2597 | /* Never match fabric nodes for RSCNs */ |
| 2598 | if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2599 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2600 | |
| 2601 | /* If we are doing a FULL RSCN rediscovery, match everything */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2602 | if (vport->fc_flag & FC_RSCN_DISCOVERY) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2603 | return did; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2604 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2605 | for (i = 0; i < vport->fc_rscn_id_cnt; i++) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2606 | lp = vport->fc_rscn_id_list[i]->virt; |
| 2607 | payload_len = be32_to_cpu(*lp++ & ~ELS_CMD_MASK); |
| 2608 | payload_len -= sizeof(uint32_t); /* take off word 0 */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2609 | while (payload_len) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2610 | rscn_did.un.word = be32_to_cpu(*lp++); |
| 2611 | payload_len -= sizeof(uint32_t); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2612 | switch (rscn_did.un.b.resv) { |
| 2613 | case 0: /* Single N_Port ID effected */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2614 | if (ns_did.un.word == rscn_did.un.word) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2615 | return did; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2616 | break; |
| 2617 | case 1: /* Whole N_Port Area effected */ |
| 2618 | if ((ns_did.un.b.domain == rscn_did.un.b.domain) |
| 2619 | && (ns_did.un.b.area == rscn_did.un.b.area)) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2620 | return did; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2621 | break; |
| 2622 | case 2: /* Whole N_Port Domain effected */ |
| 2623 | if (ns_did.un.b.domain == rscn_did.un.b.domain) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2624 | return did; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2625 | break; |
| 2626 | default: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2627 | /* Unknown Identifier in RSCN node */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2628 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2629 | "%d (%d):0217 Unknown " |
| 2630 | "Identifier in RSCN payload " |
| 2631 | "Data: x%x\n", |
| 2632 | phba->brd_no, vport->vpi, |
| 2633 | rscn_did.un.word); |
| 2634 | case 3: /* Whole Fabric effected */ |
| 2635 | return did; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2636 | } |
| 2637 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2638 | } |
| 2639 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2640 | } |
| 2641 | |
| 2642 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2643 | lpfc_rscn_recovery_check(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2644 | { |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2645 | struct lpfc_nodelist *ndlp = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2646 | |
| 2647 | /* Look at all nodes effected by pending RSCNs and move |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2648 | * them to NPR state. |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2649 | */ |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2650 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2651 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2652 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE || |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2653 | lpfc_rscn_payload_check(vport, ndlp->nlp_DID) == 0) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2654 | continue; |
| 2655 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2656 | lpfc_disc_state_machine(vport, ndlp, NULL, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2657 | NLP_EVT_DEVICE_RECOVERY); |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 2658 | |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2659 | /* |
| 2660 | * Make sure NLP_DELAY_TMO is NOT running after a device |
| 2661 | * recovery event. |
| 2662 | */ |
| 2663 | if (ndlp->nlp_flag & NLP_DELAY_TMO) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2664 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2665 | } |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2666 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2667 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2668 | } |
| 2669 | |
| 2670 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2671 | lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 2672 | struct lpfc_nodelist *ndlp, uint8_t newnode) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2673 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2674 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 2675 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2676 | struct lpfc_dmabuf *pcmd; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2677 | struct lpfc_vport *next_vport; |
| 2678 | uint32_t *lp, *datap; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2679 | IOCB_t *icmd; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2680 | uint32_t payload_len, length, nportid, *cmd; |
| 2681 | int rscn_cnt = vport->fc_rscn_id_cnt; |
| 2682 | int rscn_id = 0, hba_id = 0; |
James Smart | d2873e4 | 2006-08-18 17:46:43 -0400 | [diff] [blame] | 2683 | int i; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2684 | |
| 2685 | icmd = &cmdiocb->iocb; |
| 2686 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 2687 | lp = (uint32_t *) pcmd->virt; |
| 2688 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2689 | payload_len = be32_to_cpu(*lp++ & ~ELS_CMD_MASK); |
| 2690 | payload_len -= sizeof(uint32_t); /* take off word 0 */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2691 | |
| 2692 | /* RSCN received */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2693 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2694 | "%d (%d):0214 RSCN received Data: x%x x%x x%x x%x\n", |
| 2695 | phba->brd_no, vport->vpi, vport->fc_flag, payload_len, |
| 2696 | *lp, rscn_cnt); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2697 | |
James Smart | d2873e4 | 2006-08-18 17:46:43 -0400 | [diff] [blame] | 2698 | for (i = 0; i < payload_len/sizeof(uint32_t); i++) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2699 | fc_host_post_event(shost, fc_get_event_number(), |
James Smart | d2873e4 | 2006-08-18 17:46:43 -0400 | [diff] [blame] | 2700 | FCH_EVT_RSCN, lp[i]); |
| 2701 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2702 | /* If we are about to begin discovery, just ACC the RSCN. |
| 2703 | * Discovery processing will satisfy it. |
| 2704 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2705 | if (vport->port_state <= LPFC_NS_QRY) { |
| 2706 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2707 | newnode); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2708 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2709 | } |
| 2710 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2711 | /* If this RSCN just contains NPortIDs for other vports on this HBA, |
| 2712 | * just ACC and ignore it. |
| 2713 | */ |
| 2714 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
| 2715 | !(phba->cfg_peer_port_login)) { |
| 2716 | i = payload_len; |
| 2717 | datap = lp; |
| 2718 | while (i > 0) { |
| 2719 | nportid = *datap++; |
| 2720 | nportid = ((be32_to_cpu(nportid)) & Mask_DID); |
| 2721 | i -= sizeof(uint32_t); |
| 2722 | rscn_id++; |
| 2723 | list_for_each_entry(next_vport, &phba->port_list, |
| 2724 | listentry) { |
| 2725 | if (nportid == next_vport->fc_myDID) { |
| 2726 | hba_id++; |
| 2727 | break; |
| 2728 | } |
| 2729 | } |
| 2730 | } |
| 2731 | if (rscn_id == hba_id) { |
| 2732 | /* ALL NPortIDs in RSCN are on HBA */ |
| 2733 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
| 2734 | "%d (%d):0214 Ignore RSCN Data: x%x x%x x%x x%x\n", |
| 2735 | phba->brd_no, vport->vpi, vport->fc_flag, payload_len, |
| 2736 | *lp, rscn_cnt); |
| 2737 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, |
| 2738 | ndlp, NULL, newnode); |
| 2739 | return 0; |
| 2740 | } |
| 2741 | } |
| 2742 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2743 | /* If we are already processing an RSCN, save the received |
| 2744 | * RSCN payload buffer, cmdiocb->context2 to process later. |
| 2745 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2746 | if (vport->fc_flag & (FC_RSCN_MODE | FC_NDISC_ACTIVE)) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2747 | vport->fc_flag |= FC_RSCN_DEFERRED; |
| 2748 | if ((rscn_cnt < FC_MAX_HOLD_RSCN) && |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2749 | !(vport->fc_flag & FC_RSCN_DISCOVERY)) { |
| 2750 | spin_lock_irq(shost->host_lock); |
| 2751 | vport->fc_flag |= FC_RSCN_MODE; |
| 2752 | spin_unlock_irq(shost->host_lock); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2753 | if (rscn_cnt) { |
| 2754 | cmd = vport->fc_rscn_id_list[rscn_cnt-1]->virt; |
| 2755 | length = be32_to_cpu(*cmd & ~ELS_CMD_MASK); |
| 2756 | } |
| 2757 | if ((rscn_cnt) && |
| 2758 | (payload_len + length <= LPFC_BPL_SIZE)) { |
| 2759 | *cmd &= ELS_CMD_MASK; |
| 2760 | *cmd |= be32_to_cpu(payload_len + length); |
| 2761 | memcpy(((uint8_t *)cmd) + length, lp, |
| 2762 | payload_len); |
| 2763 | } else { |
| 2764 | vport->fc_rscn_id_list[rscn_cnt] = pcmd; |
| 2765 | vport->fc_rscn_id_cnt++; |
| 2766 | /* If we zero, cmdiocb->context2, the calling |
| 2767 | * routine will not try to free it. |
| 2768 | */ |
| 2769 | cmdiocb->context2 = NULL; |
| 2770 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2771 | |
| 2772 | /* Deferred RSCN */ |
| 2773 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2774 | "%d (%d):0235 Deferred RSCN " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2775 | "Data: x%x x%x x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2776 | phba->brd_no, vport->vpi, |
| 2777 | vport->fc_rscn_id_cnt, vport->fc_flag, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2778 | vport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2779 | } else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2780 | spin_lock_irq(shost->host_lock); |
| 2781 | vport->fc_flag |= FC_RSCN_DISCOVERY; |
| 2782 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2783 | /* ReDiscovery RSCN */ |
| 2784 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2785 | "%d (%d):0234 ReDiscovery RSCN " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2786 | "Data: x%x x%x x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2787 | phba->brd_no, vport->vpi, |
| 2788 | vport->fc_rscn_id_cnt, vport->fc_flag, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2789 | vport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2790 | } |
| 2791 | /* Send back ACC */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2792 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2793 | newnode); |
| 2794 | |
| 2795 | /* send RECOVERY event for ALL nodes that match RSCN payload */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2796 | lpfc_rscn_recovery_check(vport); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2797 | vport->fc_flag &= ~FC_RSCN_DEFERRED; |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2798 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2799 | } |
| 2800 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2801 | spin_lock_irq(shost->host_lock); |
| 2802 | vport->fc_flag |= FC_RSCN_MODE; |
| 2803 | spin_unlock_irq(shost->host_lock); |
| 2804 | vport->fc_rscn_id_list[vport->fc_rscn_id_cnt++] = pcmd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2805 | /* |
| 2806 | * If we zero, cmdiocb->context2, the calling routine will |
| 2807 | * not try to free it. |
| 2808 | */ |
| 2809 | cmdiocb->context2 = NULL; |
| 2810 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2811 | lpfc_set_disctmo(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2812 | |
| 2813 | /* Send back ACC */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2814 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL, newnode); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2815 | |
| 2816 | /* send RECOVERY event for ALL nodes that match RSCN payload */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2817 | lpfc_rscn_recovery_check(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2818 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2819 | return lpfc_els_handle_rscn(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2820 | } |
| 2821 | |
| 2822 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2823 | lpfc_els_handle_rscn(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2824 | { |
| 2825 | struct lpfc_nodelist *ndlp; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2826 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2827 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2828 | /* Ignore RSCN if the port is being torn down. */ |
| 2829 | if (vport->load_flag & FC_UNLOADING) { |
| 2830 | lpfc_els_flush_rscn(vport); |
| 2831 | return 0; |
| 2832 | } |
| 2833 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2834 | /* Start timer for RSCN processing */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2835 | lpfc_set_disctmo(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2836 | |
| 2837 | /* RSCN processed */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2838 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2839 | "%d (%d):0215 RSCN processed Data: x%x x%x x%x x%x\n", |
| 2840 | phba->brd_no, vport->vpi, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2841 | vport->fc_flag, 0, vport->fc_rscn_id_cnt, |
| 2842 | vport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2843 | |
| 2844 | /* To process RSCN, first compare RSCN data with NameServer */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2845 | vport->fc_ns_retry = 0; |
| 2846 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 2847 | if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2848 | /* Good ndlp, issue CT Request to NameServer */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2849 | if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0) == 0) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2850 | /* Wait for NameServer query cmpl before we can |
| 2851 | continue */ |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2852 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2853 | } else { |
| 2854 | /* If login to NameServer does not exist, issue one */ |
| 2855 | /* Good status, issue PLOGI to NameServer */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2856 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
| 2857 | if (ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2858 | /* Wait for NameServer login cmpl before we can |
| 2859 | continue */ |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2860 | return 1; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2861 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2862 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
| 2863 | if (!ndlp) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2864 | lpfc_els_flush_rscn(vport); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2865 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2866 | } else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2867 | lpfc_nlp_init(vport, ndlp, NameServer_DID); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2868 | ndlp->nlp_type |= NLP_FABRIC; |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 2869 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2870 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
| 2871 | lpfc_issue_els_plogi(vport, NameServer_DID, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2872 | /* Wait for NameServer login cmpl before we can |
| 2873 | continue */ |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2874 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2875 | } |
| 2876 | } |
| 2877 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2878 | lpfc_els_flush_rscn(vport); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2879 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2880 | } |
| 2881 | |
| 2882 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2883 | lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 2884 | struct lpfc_nodelist *ndlp, uint8_t newnode) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2885 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2886 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 2887 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2888 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 2889 | uint32_t *lp = (uint32_t *) pcmd->virt; |
| 2890 | IOCB_t *icmd = &cmdiocb->iocb; |
| 2891 | struct serv_parm *sp; |
| 2892 | LPFC_MBOXQ_t *mbox; |
| 2893 | struct ls_rjt stat; |
| 2894 | uint32_t cmd, did; |
| 2895 | int rc; |
| 2896 | |
| 2897 | cmd = *lp++; |
| 2898 | sp = (struct serv_parm *) lp; |
| 2899 | |
| 2900 | /* FLOGI received */ |
| 2901 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2902 | lpfc_set_disctmo(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2903 | |
| 2904 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
| 2905 | /* We should never receive a FLOGI in loop mode, ignore it */ |
| 2906 | did = icmd->un.elsreq64.remoteID; |
| 2907 | |
| 2908 | /* An FLOGI ELS command <elsCmd> was received from DID <did> in |
| 2909 | Loop Mode */ |
| 2910 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2911 | "%d (%d):0113 An FLOGI ELS command x%x was " |
| 2912 | "received from DID x%x in Loop Mode\n", |
| 2913 | phba->brd_no, vport->vpi, cmd, did); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2914 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2915 | } |
| 2916 | |
| 2917 | did = Fabric_DID; |
| 2918 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2919 | if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3))) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2920 | /* For a FLOGI we accept, then if our portname is greater |
| 2921 | * then the remote portname we initiate Nport login. |
| 2922 | */ |
| 2923 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2924 | rc = memcmp(&vport->fc_portname, &sp->portName, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 2925 | sizeof(struct lpfc_name)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2926 | |
| 2927 | if (!rc) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2928 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 2929 | if (!mbox) |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2930 | return 1; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2931 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2932 | lpfc_linkdown(phba); |
| 2933 | lpfc_init_link(phba, mbox, |
| 2934 | phba->cfg_topology, |
| 2935 | phba->cfg_link_speed); |
| 2936 | mbox->mb.un.varInitLnk.lipsr_AL_PA = 0; |
| 2937 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2938 | mbox->vport = vport; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2939 | rc = lpfc_sli_issue_mbox |
| 2940 | (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 2941 | lpfc_set_loopback_flag(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2942 | if (rc == MBX_NOT_FINISHED) { |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 2943 | mempool_free(mbox, phba->mbox_mem_pool); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2944 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2945 | return 1; |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 2946 | } else if (rc > 0) { /* greater than */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2947 | spin_lock_irq(shost->host_lock); |
| 2948 | vport->fc_flag |= FC_PT2PT_PLOGI; |
| 2949 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2950 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2951 | spin_lock_irq(shost->host_lock); |
| 2952 | vport->fc_flag |= FC_PT2PT; |
| 2953 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); |
| 2954 | spin_unlock_irq(shost->host_lock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2955 | } else { |
| 2956 | /* Reject this request because invalid parameters */ |
| 2957 | stat.un.b.lsRjtRsvd0 = 0; |
| 2958 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 2959 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; |
| 2960 | stat.un.b.vendorUnique = 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2961 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2962 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2963 | } |
| 2964 | |
| 2965 | /* Send back ACC */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2966 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL, newnode); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2967 | |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 2968 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2969 | } |
| 2970 | |
| 2971 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2972 | lpfc_els_rcv_rnid(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 2973 | struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2974 | { |
| 2975 | struct lpfc_dmabuf *pcmd; |
| 2976 | uint32_t *lp; |
| 2977 | IOCB_t *icmd; |
| 2978 | RNID *rn; |
| 2979 | struct ls_rjt stat; |
| 2980 | uint32_t cmd, did; |
| 2981 | |
| 2982 | icmd = &cmdiocb->iocb; |
| 2983 | did = icmd->un.elsreq64.remoteID; |
| 2984 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 2985 | lp = (uint32_t *) pcmd->virt; |
| 2986 | |
| 2987 | cmd = *lp++; |
| 2988 | rn = (RNID *) lp; |
| 2989 | |
| 2990 | /* RNID received */ |
| 2991 | |
| 2992 | switch (rn->Format) { |
| 2993 | case 0: |
| 2994 | case RNID_TOPOLOGY_DISC: |
| 2995 | /* Send back ACC */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2996 | lpfc_els_rsp_rnid_acc(vport, rn->Format, cmdiocb, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2997 | break; |
| 2998 | default: |
| 2999 | /* Reject this request because format not supported */ |
| 3000 | stat.un.b.lsRjtRsvd0 = 0; |
| 3001 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 3002 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; |
| 3003 | stat.un.b.vendorUnique = 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3004 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3005 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3006 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3007 | } |
| 3008 | |
| 3009 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3010 | lpfc_els_rcv_lirr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 3011 | struct lpfc_nodelist *ndlp) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3012 | { |
| 3013 | struct ls_rjt stat; |
| 3014 | |
| 3015 | /* For now, unconditionally reject this command */ |
| 3016 | stat.un.b.lsRjtRsvd0 = 0; |
| 3017 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 3018 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; |
| 3019 | stat.un.b.vendorUnique = 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3020 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3021 | return 0; |
| 3022 | } |
| 3023 | |
Jamie Wellnitz | 082c026 | 2006-02-28 19:25:30 -0500 | [diff] [blame] | 3024 | static void |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3025 | 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] | 3026 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3027 | struct lpfc_sli *psli = &phba->sli; |
| 3028 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3029 | MAILBOX_t *mb; |
| 3030 | IOCB_t *icmd; |
| 3031 | RPS_RSP *rps_rsp; |
| 3032 | uint8_t *pcmd; |
| 3033 | struct lpfc_iocbq *elsiocb; |
| 3034 | struct lpfc_nodelist *ndlp; |
| 3035 | uint16_t xri, status; |
| 3036 | uint32_t cmdsize; |
| 3037 | |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3038 | mb = &pmb->mb; |
| 3039 | |
| 3040 | ndlp = (struct lpfc_nodelist *) pmb->context2; |
| 3041 | xri = (uint16_t) ((unsigned long)(pmb->context1)); |
Randy Dunlap | 041976f | 2006-06-25 01:58:51 -0700 | [diff] [blame] | 3042 | pmb->context1 = NULL; |
| 3043 | pmb->context2 = NULL; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3044 | |
| 3045 | if (mb->mbxStatus) { |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3046 | mempool_free(pmb, phba->mbox_mem_pool); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3047 | return; |
| 3048 | } |
| 3049 | |
| 3050 | cmdsize = sizeof(RPS_RSP) + sizeof(uint32_t); |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3051 | mempool_free(pmb, phba->mbox_mem_pool); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3052 | elsiocb = lpfc_prep_els_iocb(phba->pport, 0, cmdsize, |
| 3053 | lpfc_max_els_tries, ndlp, |
| 3054 | ndlp->nlp_DID, ELS_CMD_ACC); |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3055 | lpfc_nlp_put(ndlp); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3056 | if (!elsiocb) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3057 | return; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3058 | |
| 3059 | icmd = &elsiocb->iocb; |
| 3060 | icmd->ulpContext = xri; |
| 3061 | |
| 3062 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 3063 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3064 | pcmd += sizeof(uint32_t); /* Skip past command */ |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3065 | rps_rsp = (RPS_RSP *)pcmd; |
| 3066 | |
| 3067 | if (phba->fc_topology != TOPOLOGY_LOOP) |
| 3068 | status = 0x10; |
| 3069 | else |
| 3070 | status = 0x8; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3071 | if (phba->pport->fc_flag & FC_FABRIC) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3072 | status |= 0x4; |
| 3073 | |
| 3074 | rps_rsp->rsvd1 = 0; |
| 3075 | rps_rsp->portStatus = be16_to_cpu(status); |
| 3076 | rps_rsp->linkFailureCnt = be32_to_cpu(mb->un.varRdLnk.linkFailureCnt); |
| 3077 | rps_rsp->lossSyncCnt = be32_to_cpu(mb->un.varRdLnk.lossSyncCnt); |
| 3078 | rps_rsp->lossSignalCnt = be32_to_cpu(mb->un.varRdLnk.lossSignalCnt); |
| 3079 | rps_rsp->primSeqErrCnt = be32_to_cpu(mb->un.varRdLnk.primSeqErrCnt); |
| 3080 | rps_rsp->invalidXmitWord = be32_to_cpu(mb->un.varRdLnk.invalidXmitWord); |
| 3081 | rps_rsp->crcCnt = be32_to_cpu(mb->un.varRdLnk.crcCnt); |
| 3082 | |
| 3083 | /* Xmit ELS RPS ACC response tag <ulpIoTag> */ |
| 3084 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3085 | "%d (%d):0118 Xmit ELS RPS ACC response tag x%x " |
| 3086 | "xri x%x, did x%x, nlp_flag x%x, nlp_state x%x, " |
| 3087 | "rpi x%x\n", |
| 3088 | phba->brd_no, ndlp->vport->vpi, elsiocb->iotag, |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3089 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
| 3090 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); |
| 3091 | |
| 3092 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; |
| 3093 | phba->fc_stat.elsXmitACC++; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3094 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3095 | lpfc_els_free_iocb(phba, elsiocb); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3096 | return; |
| 3097 | } |
| 3098 | |
| 3099 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3100 | lpfc_els_rcv_rps(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 3101 | struct lpfc_nodelist *ndlp) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3102 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3103 | struct lpfc_hba *phba = vport->phba; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3104 | uint32_t *lp; |
| 3105 | uint8_t flag; |
| 3106 | LPFC_MBOXQ_t *mbox; |
| 3107 | struct lpfc_dmabuf *pcmd; |
| 3108 | RPS *rps; |
| 3109 | struct ls_rjt stat; |
| 3110 | |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 3111 | if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && |
| 3112 | (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) { |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3113 | stat.un.b.lsRjtRsvd0 = 0; |
| 3114 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 3115 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; |
| 3116 | stat.un.b.vendorUnique = 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3117 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3118 | } |
| 3119 | |
| 3120 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 3121 | lp = (uint32_t *) pcmd->virt; |
| 3122 | flag = (be32_to_cpu(*lp++) & 0xf); |
| 3123 | rps = (RPS *) lp; |
| 3124 | |
| 3125 | if ((flag == 0) || |
| 3126 | ((flag == 1) && (be32_to_cpu(rps->un.portNum) == 0)) || |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3127 | ((flag == 2) && (memcmp(&rps->un.portName, &vport->fc_portname, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3128 | sizeof(struct lpfc_name)) == 0))) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3129 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3130 | printk("Fix me....\n"); |
| 3131 | dump_stack(); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3132 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC); |
| 3133 | if (mbox) { |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3134 | lpfc_read_lnk_stat(phba, mbox); |
| 3135 | mbox->context1 = |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3136 | (void *)((unsigned long) cmdiocb->iocb.ulpContext); |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3137 | mbox->context2 = lpfc_nlp_get(ndlp); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3138 | mbox->vport = vport; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3139 | mbox->mbox_cmpl = lpfc_els_rsp_rps_acc; |
| 3140 | if (lpfc_sli_issue_mbox (phba, mbox, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3141 | (MBX_NOWAIT | MBX_STOP_IOCB)) != MBX_NOT_FINISHED) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3142 | /* Mbox completion will send ELS Response */ |
| 3143 | return 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3144 | |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3145 | lpfc_nlp_put(ndlp); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3146 | mempool_free(mbox, phba->mbox_mem_pool); |
| 3147 | } |
| 3148 | } |
| 3149 | stat.un.b.lsRjtRsvd0 = 0; |
| 3150 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 3151 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; |
| 3152 | stat.un.b.vendorUnique = 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3153 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3154 | return 0; |
| 3155 | } |
| 3156 | |
Jamie Wellnitz | 082c026 | 2006-02-28 19:25:30 -0500 | [diff] [blame] | 3157 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3158 | lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize, |
| 3159 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3160 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3161 | struct lpfc_hba *phba = vport->phba; |
| 3162 | IOCB_t *icmd, *oldcmd; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3163 | RPL_RSP rpl_rsp; |
| 3164 | struct lpfc_iocbq *elsiocb; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3165 | struct lpfc_sli *psli = &phba->sli; |
| 3166 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3167 | uint8_t *pcmd; |
| 3168 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3169 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
| 3170 | ndlp->nlp_DID, ELS_CMD_ACC); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3171 | |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 3172 | if (!elsiocb) |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3173 | return 1; |
James Smart | 488d146 | 2006-03-07 15:02:37 -0500 | [diff] [blame] | 3174 | |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3175 | icmd = &elsiocb->iocb; |
| 3176 | oldcmd = &oldiocb->iocb; |
| 3177 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ |
| 3178 | |
| 3179 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 3180 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3181 | pcmd += sizeof(uint16_t); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3182 | *((uint16_t *)(pcmd)) = be16_to_cpu(cmdsize); |
| 3183 | pcmd += sizeof(uint16_t); |
| 3184 | |
| 3185 | /* Setup the RPL ACC payload */ |
| 3186 | rpl_rsp.listLen = be32_to_cpu(1); |
| 3187 | rpl_rsp.index = 0; |
| 3188 | rpl_rsp.port_num_blk.portNum = 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3189 | rpl_rsp.port_num_blk.portID = be32_to_cpu(vport->fc_myDID); |
| 3190 | memcpy(&rpl_rsp.port_num_blk.portName, &vport->fc_portname, |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3191 | sizeof(struct lpfc_name)); |
| 3192 | |
| 3193 | memcpy(pcmd, &rpl_rsp, cmdsize - sizeof(uint32_t)); |
| 3194 | |
| 3195 | |
| 3196 | /* Xmit ELS RPL ACC response tag <ulpIoTag> */ |
| 3197 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3198 | "%d (%d):0120 Xmit ELS RPL ACC response tag x%x " |
| 3199 | "xri x%x, did x%x, nlp_flag x%x, nlp_state x%x, " |
| 3200 | "rpi x%x\n", |
| 3201 | phba->brd_no, vport->vpi, elsiocb->iotag, |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3202 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
| 3203 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); |
| 3204 | |
| 3205 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; |
| 3206 | |
| 3207 | phba->fc_stat.elsXmitACC++; |
| 3208 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
| 3209 | lpfc_els_free_iocb(phba, elsiocb); |
| 3210 | return 1; |
| 3211 | } |
| 3212 | return 0; |
| 3213 | } |
| 3214 | |
| 3215 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3216 | lpfc_els_rcv_rpl(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 3217 | struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3218 | { |
| 3219 | struct lpfc_dmabuf *pcmd; |
| 3220 | uint32_t *lp; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3221 | uint32_t maxsize; |
| 3222 | uint16_t cmdsize; |
| 3223 | RPL *rpl; |
| 3224 | struct ls_rjt stat; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3225 | |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 3226 | if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && |
| 3227 | (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) { |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3228 | stat.un.b.lsRjtRsvd0 = 0; |
| 3229 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 3230 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; |
| 3231 | stat.un.b.vendorUnique = 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3232 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3233 | } |
| 3234 | |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3235 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 3236 | lp = (uint32_t *) pcmd->virt; |
| 3237 | rpl = (RPL *) (lp + 1); |
| 3238 | |
| 3239 | maxsize = be32_to_cpu(rpl->maxsize); |
| 3240 | |
| 3241 | /* We support only one port */ |
| 3242 | if ((rpl->index == 0) && |
| 3243 | ((maxsize == 0) || |
| 3244 | ((maxsize * sizeof(uint32_t)) >= sizeof(RPL_RSP)))) { |
| 3245 | cmdsize = sizeof(uint32_t) + sizeof(RPL_RSP); |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 3246 | } else { |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3247 | cmdsize = sizeof(uint32_t) + maxsize * sizeof(uint32_t); |
| 3248 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3249 | lpfc_els_rsp_rpl_acc(vport, cmdsize, cmdiocb, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3250 | |
| 3251 | return 0; |
| 3252 | } |
| 3253 | |
| 3254 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3255 | lpfc_els_rcv_farp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 3256 | struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3257 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3258 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3259 | struct lpfc_dmabuf *pcmd; |
| 3260 | uint32_t *lp; |
| 3261 | IOCB_t *icmd; |
| 3262 | FARP *fp; |
| 3263 | uint32_t cmd, cnt, did; |
| 3264 | |
| 3265 | icmd = &cmdiocb->iocb; |
| 3266 | did = icmd->un.elsreq64.remoteID; |
| 3267 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 3268 | lp = (uint32_t *) pcmd->virt; |
| 3269 | |
| 3270 | cmd = *lp++; |
| 3271 | fp = (FARP *) lp; |
| 3272 | |
| 3273 | /* FARP-REQ received from DID <did> */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3274 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3275 | "%d (%d):0601 FARP-REQ received from DID x%x\n", |
| 3276 | phba->brd_no, vport->vpi, did); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3277 | |
| 3278 | /* We will only support match on WWPN or WWNN */ |
| 3279 | if (fp->Mflags & ~(FARP_MATCH_NODE | FARP_MATCH_PORT)) { |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3280 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3281 | } |
| 3282 | |
| 3283 | cnt = 0; |
| 3284 | /* If this FARP command is searching for my portname */ |
| 3285 | if (fp->Mflags & FARP_MATCH_PORT) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3286 | if (memcmp(&fp->RportName, &vport->fc_portname, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3287 | sizeof(struct lpfc_name)) == 0) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3288 | cnt = 1; |
| 3289 | } |
| 3290 | |
| 3291 | /* If this FARP command is searching for my nodename */ |
| 3292 | if (fp->Mflags & FARP_MATCH_NODE) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3293 | if (memcmp(&fp->RnodeName, &vport->fc_nodename, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3294 | sizeof(struct lpfc_name)) == 0) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3295 | cnt = 1; |
| 3296 | } |
| 3297 | |
| 3298 | if (cnt) { |
| 3299 | if ((ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) || |
| 3300 | (ndlp->nlp_state == NLP_STE_MAPPED_NODE)) { |
| 3301 | /* Log back into the node before sending the FARP. */ |
| 3302 | if (fp->Rflags & FARP_REQUEST_PLOGI) { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3303 | ndlp->nlp_prev_state = ndlp->nlp_state; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3304 | lpfc_nlp_set_state(vport, ndlp, |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3305 | NLP_STE_PLOGI_ISSUE); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3306 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3307 | } |
| 3308 | |
| 3309 | /* Send a FARP response to that node */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3310 | if (fp->Rflags & FARP_REQUEST_FARPR) |
| 3311 | lpfc_issue_els_farpr(vport, did, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3312 | } |
| 3313 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3314 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3315 | } |
| 3316 | |
| 3317 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3318 | lpfc_els_rcv_farpr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 3319 | struct lpfc_nodelist *ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3320 | { |
| 3321 | struct lpfc_dmabuf *pcmd; |
| 3322 | uint32_t *lp; |
| 3323 | IOCB_t *icmd; |
| 3324 | uint32_t cmd, did; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3325 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3326 | |
| 3327 | icmd = &cmdiocb->iocb; |
| 3328 | did = icmd->un.elsreq64.remoteID; |
| 3329 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
| 3330 | lp = (uint32_t *) pcmd->virt; |
| 3331 | |
| 3332 | cmd = *lp++; |
| 3333 | /* FARP-RSP received from DID <did> */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3334 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3335 | "%d (%d):0600 FARP-RSP received from DID x%x\n", |
| 3336 | phba->brd_no, vport->vpi, did); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3337 | /* ACCEPT the Farp resp request */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3338 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3339 | |
| 3340 | return 0; |
| 3341 | } |
| 3342 | |
| 3343 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3344 | lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
| 3345 | struct lpfc_nodelist *fan_ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3346 | { |
| 3347 | struct lpfc_dmabuf *pcmd; |
| 3348 | uint32_t *lp; |
| 3349 | IOCB_t *icmd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3350 | uint32_t cmd, did; |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3351 | FAN *fp; |
| 3352 | struct lpfc_nodelist *ndlp, *next_ndlp; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3353 | struct lpfc_hba *phba = vport->phba; |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3354 | |
| 3355 | /* FAN received */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3356 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3357 | "%d (%d):0265 FAN received\n", |
| 3358 | phba->brd_no, vport->vpi); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3359 | |
| 3360 | icmd = &cmdiocb->iocb; |
| 3361 | did = icmd->un.elsreq64.remoteID; |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3362 | pcmd = (struct lpfc_dmabuf *)cmdiocb->context2; |
| 3363 | lp = (uint32_t *)pcmd->virt; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3364 | |
| 3365 | cmd = *lp++; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3366 | fp = (FAN *) lp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3367 | |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3368 | /* FAN received; Fan does not have a reply sequence */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3369 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3370 | if (phba->pport->port_state == LPFC_LOCAL_CFG_LINK) { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3371 | if ((memcmp(&phba->fc_fabparam.nodeName, &fp->FnodeName, |
| 3372 | sizeof(struct lpfc_name)) != 0) || |
| 3373 | (memcmp(&phba->fc_fabparam.portName, &fp->FportName, |
| 3374 | sizeof(struct lpfc_name)) != 0)) { |
| 3375 | /* |
| 3376 | * This node has switched fabrics. FLOGI is required |
| 3377 | * Clean up the old rpi's |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3378 | */ |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3379 | |
| 3380 | list_for_each_entry_safe(ndlp, next_ndlp, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3381 | &vport->fc_nodes, nlp_listp) { |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 3382 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) |
| 3383 | continue; |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3384 | if (ndlp->nlp_type & NLP_FABRIC) { |
| 3385 | /* |
| 3386 | * Clean up old Fabric, Nameserver and |
| 3387 | * other NLP_FABRIC logins |
| 3388 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3389 | lpfc_drop_node(vport, ndlp); |
Jamie Wellnitz | 2fe165b | 2006-02-28 19:25:31 -0500 | [diff] [blame] | 3390 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3391 | /* Fail outstanding I/O now since this |
| 3392 | * device is marked for PLOGI |
| 3393 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3394 | lpfc_unreg_rpi(vport, ndlp); |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3395 | } |
| 3396 | } |
| 3397 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3398 | vport->port_state = LPFC_FLOGI; |
| 3399 | lpfc_set_disctmo(vport); |
| 3400 | lpfc_initial_flogi(vport); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3401 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3402 | } |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3403 | /* Discovery not needed, |
| 3404 | * move the nodes to their original state. |
| 3405 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3406 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, |
James Smart | 685f0bf | 2007-04-25 09:53:08 -0400 | [diff] [blame] | 3407 | nlp_listp) { |
| 3408 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) |
| 3409 | continue; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3410 | |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3411 | switch (ndlp->nlp_prev_state) { |
| 3412 | case NLP_STE_UNMAPPED_NODE: |
| 3413 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3414 | lpfc_nlp_set_state(vport, ndlp, |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3415 | NLP_STE_UNMAPPED_NODE); |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3416 | break; |
| 3417 | |
| 3418 | case NLP_STE_MAPPED_NODE: |
| 3419 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3420 | lpfc_nlp_set_state(vport, ndlp, |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3421 | NLP_STE_MAPPED_NODE); |
Jamie Wellnitz | 5024ab1 | 2006-02-28 19:25:28 -0500 | [diff] [blame] | 3422 | break; |
| 3423 | |
| 3424 | default: |
| 3425 | break; |
| 3426 | } |
| 3427 | } |
| 3428 | |
| 3429 | /* Start discovery - this should just do CLEAR_LA */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3430 | lpfc_disc_start(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3431 | } |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3432 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3433 | } |
| 3434 | |
| 3435 | void |
| 3436 | lpfc_els_timeout(unsigned long ptr) |
| 3437 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3438 | struct lpfc_vport *vport = (struct lpfc_vport *) ptr; |
| 3439 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3440 | unsigned long iflag; |
| 3441 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3442 | spin_lock_irqsave(&vport->work_port_lock, iflag); |
| 3443 | if ((vport->work_port_events & WORKER_ELS_TMO) == 0) { |
| 3444 | vport->work_port_events |= WORKER_ELS_TMO; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3445 | spin_unlock_irqrestore(&vport->work_port_lock, iflag); |
| 3446 | |
| 3447 | spin_lock_irqsave(&phba->hbalock, iflag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3448 | if (phba->work_wait) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3449 | lpfc_worker_wake_up(phba); |
| 3450 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3451 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3452 | else |
| 3453 | spin_unlock_irqrestore(&vport->work_port_lock, iflag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3454 | return; |
| 3455 | } |
| 3456 | |
| 3457 | void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3458 | lpfc_els_timeout_handler(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3459 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3460 | struct lpfc_hba *phba = vport->phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3461 | struct lpfc_sli_ring *pring; |
| 3462 | struct lpfc_iocbq *tmp_iocb, *piocb; |
| 3463 | IOCB_t *cmd = NULL; |
| 3464 | struct lpfc_dmabuf *pcmd; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3465 | uint32_t els_command = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3466 | uint32_t timeout; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3467 | uint32_t remote_ID = 0xffffffff; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3468 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3469 | /* If the timer is already canceled do nothing */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3470 | if ((vport->work_port_events & WORKER_ELS_TMO) == 0) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3471 | return; |
| 3472 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3473 | spin_lock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3474 | timeout = (uint32_t)(phba->fc_ratov << 1); |
| 3475 | |
| 3476 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3477 | |
| 3478 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { |
| 3479 | cmd = &piocb->iocb; |
| 3480 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3481 | if ((piocb->iocb_flag & LPFC_IO_LIBDFC) != 0 || |
| 3482 | piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || |
| 3483 | piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3484 | continue; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3485 | |
| 3486 | if (piocb->vport != vport) |
| 3487 | continue; |
| 3488 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3489 | pcmd = (struct lpfc_dmabuf *) piocb->context2; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3490 | if (pcmd) |
| 3491 | els_command = *(uint32_t *) (pcmd->virt); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3492 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3493 | if (els_command == ELS_CMD_FARP || |
| 3494 | els_command == ELS_CMD_FARPR || |
| 3495 | els_command == ELS_CMD_FDISC) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3496 | continue; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3497 | |
| 3498 | if (vport != piocb->vport) |
| 3499 | continue; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3500 | |
| 3501 | if (piocb->drvrTimeout > 0) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3502 | if (piocb->drvrTimeout >= timeout) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3503 | piocb->drvrTimeout -= timeout; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3504 | else |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3505 | piocb->drvrTimeout = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3506 | continue; |
| 3507 | } |
| 3508 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3509 | remote_ID = 0xffffffff; |
| 3510 | if (cmd->ulpCommand != CMD_GEN_REQUEST64_CR) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3511 | remote_ID = cmd->un.elsreq64.remoteID; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3512 | else { |
| 3513 | struct lpfc_nodelist *ndlp; |
| 3514 | ndlp = __lpfc_findnode_rpi(vport, cmd->ulpContext); |
| 3515 | if (ndlp) |
| 3516 | remote_ID = ndlp->nlp_DID; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3517 | } |
| 3518 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3519 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, |
| 3520 | "%d (%d):0127 ELS timeout Data: x%x x%x x%x " |
| 3521 | "x%x\n", |
| 3522 | phba->brd_no, vport->vpi, els_command, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3523 | remote_ID, cmd->ulpCommand, cmd->ulpIoTag); |
| 3524 | |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame] | 3525 | lpfc_sli_issue_abort_iotag(phba, pring, piocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3526 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3527 | spin_unlock_irq(&phba->hbalock); |
James Smart | 5a0e326 | 2006-07-06 15:49:16 -0400 | [diff] [blame] | 3528 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3529 | if (phba->sli.ring[LPFC_ELS_RING].txcmplq_cnt) |
| 3530 | mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3531 | } |
| 3532 | |
| 3533 | void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3534 | lpfc_els_flush_cmd(struct lpfc_vport *vport) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3535 | { |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3536 | LIST_HEAD(completions); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3537 | struct lpfc_hba *phba = vport->phba; |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3538 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3539 | struct lpfc_iocbq *tmp_iocb, *piocb; |
| 3540 | IOCB_t *cmd = NULL; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3541 | struct lpfc_dmabuf *pcmd; |
| 3542 | uint32_t *elscmd; |
| 3543 | uint32_t els_command; |
| 3544 | |
| 3545 | lpfc_fabric_abort_vport(vport); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3546 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3547 | spin_lock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3548 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) { |
| 3549 | cmd = &piocb->iocb; |
| 3550 | |
| 3551 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) { |
| 3552 | continue; |
| 3553 | } |
| 3554 | |
| 3555 | /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */ |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3556 | if (cmd->ulpCommand == CMD_QUE_RING_BUF_CN || |
| 3557 | cmd->ulpCommand == CMD_QUE_RING_BUF64_CN || |
| 3558 | cmd->ulpCommand == CMD_CLOSE_XRI_CN || |
| 3559 | cmd->ulpCommand == CMD_ABORT_XRI_CN) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3560 | continue; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3561 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3562 | pcmd = (struct lpfc_dmabuf *) piocb->context2; |
| 3563 | elscmd = (uint32_t *) (pcmd->virt); |
| 3564 | els_command = *elscmd; |
| 3565 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3566 | if (piocb->vport != vport) |
| 3567 | continue; |
| 3568 | |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3569 | list_move_tail(&piocb->list, &completions); |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 3570 | pring->txq_cnt--; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3571 | } |
| 3572 | |
| 3573 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3574 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) { |
| 3575 | continue; |
| 3576 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3577 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3578 | if (piocb->vport != vport) |
| 3579 | continue; |
| 3580 | |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame] | 3581 | lpfc_sli_issue_abort_iotag(phba, pring, piocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3582 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3583 | spin_unlock_irq(&phba->hbalock); |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3584 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3585 | while (!list_empty(&completions)) { |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3586 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); |
| 3587 | cmd = &piocb->iocb; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3588 | list_del_init(&piocb->list); |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3589 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3590 | if (!piocb->iocb_cmpl) |
| 3591 | lpfc_sli_release_iocbq(phba, piocb); |
| 3592 | else { |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3593 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 3594 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 3595 | (piocb->iocb_cmpl) (phba, piocb, piocb); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3596 | } |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3597 | } |
| 3598 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3599 | return; |
| 3600 | } |
| 3601 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3602 | static void |
| 3603 | 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^] | 3604 | struct lpfc_vport *vport, struct lpfc_iocbq *elsiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3605 | { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3606 | struct lpfc_nodelist *ndlp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3607 | struct ls_rjt stat; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3608 | uint32_t *payload; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3609 | uint32_t cmd, did, newnode, rjt_err = 0; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3610 | IOCB_t *icmd = &elsiocb->iocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3611 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3612 | if (vport == NULL || elsiocb->context2 == NULL) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3613 | goto dropit; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3614 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3615 | newnode = 0; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3616 | payload = ((struct lpfc_dmabuf *)elsiocb->context2)->virt; |
| 3617 | cmd = *payload; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3618 | if ((phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) == 0) |
| 3619 | lpfc_post_buffer(phba, pring, 1, 1); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3620 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3621 | if (icmd->ulpStatus) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3622 | goto dropit; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3623 | |
| 3624 | /* Check to see if link went down during discovery */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3625 | if (lpfc_els_chk_latt(vport)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3626 | goto dropit; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3627 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3628 | /* Ignore traffic recevied during vport shutdown. */ |
| 3629 | if (vport->load_flag & FC_UNLOADING) |
| 3630 | goto dropit; |
| 3631 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3632 | did = icmd->un.rcvels.remoteID; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3633 | ndlp = lpfc_findnode_did(vport, did); |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3634 | if (!ndlp) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3635 | /* Cannot find existing Fabric ndlp, so allocate a new one */ |
Jamie Wellnitz | c9f8735 | 2006-02-28 19:25:23 -0500 | [diff] [blame] | 3636 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3637 | if (!ndlp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3638 | goto dropit; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3639 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3640 | lpfc_nlp_init(vport, ndlp, did); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3641 | newnode = 1; |
| 3642 | if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) { |
| 3643 | ndlp->nlp_type |= NLP_FABRIC; |
| 3644 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3645 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3646 | } |
| 3647 | |
| 3648 | phba->fc_stat.elsRcvFrame++; |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3649 | if (elsiocb->context1) |
| 3650 | lpfc_nlp_put(elsiocb->context1); |
| 3651 | elsiocb->context1 = lpfc_nlp_get(ndlp); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3652 | elsiocb->vport = vport; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3653 | |
| 3654 | if ((cmd & ELS_CMD_MASK) == ELS_CMD_RSCN) { |
| 3655 | cmd &= ELS_CMD_MASK; |
| 3656 | } |
| 3657 | /* ELS command <elsCmd> received from NPORT <did> */ |
| 3658 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3659 | "%d (%d):0112 ELS command x%x received from NPORT x%x " |
| 3660 | "Data: x%x\n", phba->brd_no, vport->vpi, cmd, did, |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3661 | vport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3662 | |
| 3663 | switch (cmd) { |
| 3664 | case ELS_CMD_PLOGI: |
| 3665 | phba->fc_stat.elsRcvPLOGI++; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3666 | if ((vport->port_state < LPFC_DISC_AUTH) || |
| 3667 | ((vport->port_type == LPFC_NPIV_PORT && |
| 3668 | phba->cfg_vport_restrict_login))) { |
| 3669 | rjt_err = 2; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3670 | break; |
| 3671 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3672 | ndlp = lpfc_plogi_confirm_nport(phba, payload, ndlp); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3673 | lpfc_disc_state_machine(vport, ndlp, elsiocb, |
| 3674 | NLP_EVT_RCV_PLOGI); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3675 | break; |
| 3676 | case ELS_CMD_FLOGI: |
| 3677 | phba->fc_stat.elsRcvFLOGI++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3678 | lpfc_els_rcv_flogi(vport, elsiocb, ndlp, newnode); |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3679 | if (newnode) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3680 | lpfc_drop_node(vport, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3681 | break; |
| 3682 | case ELS_CMD_LOGO: |
| 3683 | phba->fc_stat.elsRcvLOGO++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3684 | if (vport->port_state < LPFC_DISC_AUTH) { |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 3685 | rjt_err = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3686 | break; |
| 3687 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3688 | lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_LOGO); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3689 | break; |
| 3690 | case ELS_CMD_PRLO: |
| 3691 | phba->fc_stat.elsRcvPRLO++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3692 | if (vport->port_state < LPFC_DISC_AUTH) { |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 3693 | rjt_err = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3694 | break; |
| 3695 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3696 | lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLO); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3697 | break; |
| 3698 | case ELS_CMD_RSCN: |
| 3699 | phba->fc_stat.elsRcvRSCN++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3700 | lpfc_els_rcv_rscn(vport, elsiocb, ndlp, newnode); |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3701 | if (newnode) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3702 | lpfc_drop_node(vport, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3703 | break; |
| 3704 | case ELS_CMD_ADISC: |
| 3705 | phba->fc_stat.elsRcvADISC++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3706 | if (vport->port_state < LPFC_DISC_AUTH) { |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 3707 | rjt_err = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3708 | break; |
| 3709 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3710 | lpfc_disc_state_machine(vport, ndlp, elsiocb, |
| 3711 | NLP_EVT_RCV_ADISC); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3712 | break; |
| 3713 | case ELS_CMD_PDISC: |
| 3714 | phba->fc_stat.elsRcvPDISC++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3715 | if (vport->port_state < LPFC_DISC_AUTH) { |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 3716 | rjt_err = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3717 | break; |
| 3718 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3719 | lpfc_disc_state_machine(vport, ndlp, elsiocb, |
| 3720 | NLP_EVT_RCV_PDISC); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3721 | break; |
| 3722 | case ELS_CMD_FARPR: |
| 3723 | phba->fc_stat.elsRcvFARPR++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3724 | lpfc_els_rcv_farpr(vport, elsiocb, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3725 | break; |
| 3726 | case ELS_CMD_FARP: |
| 3727 | phba->fc_stat.elsRcvFARP++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3728 | lpfc_els_rcv_farp(vport, elsiocb, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3729 | break; |
| 3730 | case ELS_CMD_FAN: |
| 3731 | phba->fc_stat.elsRcvFAN++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3732 | lpfc_els_rcv_fan(vport, elsiocb, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3733 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3734 | case ELS_CMD_PRLI: |
| 3735 | phba->fc_stat.elsRcvPRLI++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3736 | if (vport->port_state < LPFC_DISC_AUTH) { |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 3737 | rjt_err = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3738 | break; |
| 3739 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3740 | lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLI); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3741 | break; |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3742 | case ELS_CMD_LIRR: |
| 3743 | phba->fc_stat.elsRcvLIRR++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3744 | lpfc_els_rcv_lirr(vport, elsiocb, ndlp); |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3745 | if (newnode) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3746 | lpfc_drop_node(vport, ndlp); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3747 | break; |
| 3748 | case ELS_CMD_RPS: |
| 3749 | phba->fc_stat.elsRcvRPS++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3750 | lpfc_els_rcv_rps(vport, elsiocb, ndlp); |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3751 | if (newnode) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3752 | lpfc_drop_node(vport, ndlp); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3753 | break; |
| 3754 | case ELS_CMD_RPL: |
| 3755 | phba->fc_stat.elsRcvRPL++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3756 | lpfc_els_rcv_rpl(vport, elsiocb, ndlp); |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3757 | if (newnode) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3758 | lpfc_drop_node(vport, ndlp); |
Jamie Wellnitz | 7bb3b13 | 2006-02-28 19:25:15 -0500 | [diff] [blame] | 3759 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3760 | case ELS_CMD_RNID: |
| 3761 | phba->fc_stat.elsRcvRNID++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3762 | lpfc_els_rcv_rnid(vport, elsiocb, ndlp); |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3763 | if (newnode) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3764 | lpfc_drop_node(vport, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3765 | break; |
| 3766 | default: |
| 3767 | /* Unsupported ELS command, reject */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3768 | rjt_err = 2; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3769 | |
| 3770 | /* Unknown ELS command <elsCmd> received from NPORT <did> */ |
| 3771 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3772 | "%d (%d):0115 Unknown ELS command x%x " |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3773 | "received from NPORT x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3774 | phba->brd_no, vport->vpi, cmd, did); |
James Smart | de0c5b3 | 2007-04-25 09:52:27 -0400 | [diff] [blame] | 3775 | if (newnode) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3776 | lpfc_drop_node(vport, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3777 | break; |
| 3778 | } |
| 3779 | |
| 3780 | /* check if need to LS_RJT received ELS cmd */ |
| 3781 | if (rjt_err) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3782 | memset(&stat, 0, sizeof(stat)); |
| 3783 | if (rjt_err == 1) |
| 3784 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; |
| 3785 | else |
| 3786 | stat.un.b.lsRjtRsnCode = LSRJT_INVALID_CMD; |
James.Smart@Emulex.Com | 1f679ca | 2005-06-25 10:34:27 -0400 | [diff] [blame] | 3787 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3788 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, elsiocb, ndlp); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3789 | if (newnode) |
| 3790 | lpfc_drop_node(vport, ndlp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3791 | } |
| 3792 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3793 | return; |
| 3794 | |
| 3795 | dropit: |
| 3796 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3797 | "%d (%d):0111 Dropping received ELS cmd " |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3798 | "Data: x%x x%x x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3799 | phba->brd_no, vport ? vport->vpi : 0xffff, |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3800 | icmd->ulpStatus, icmd->un.ulpWord[4], |
| 3801 | icmd->ulpTimeout); |
| 3802 | phba->fc_stat.elsRcvDrop++; |
| 3803 | } |
| 3804 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3805 | static struct lpfc_vport * |
| 3806 | lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi) |
| 3807 | { |
| 3808 | struct lpfc_vport *vport; |
| 3809 | |
| 3810 | list_for_each_entry(vport, &phba->port_list, listentry) { |
| 3811 | if (vport->vpi == vpi) |
| 3812 | return vport; |
| 3813 | } |
| 3814 | return NULL; |
| 3815 | } |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3816 | |
| 3817 | void |
| 3818 | lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 3819 | struct lpfc_iocbq *elsiocb) |
| 3820 | { |
| 3821 | struct lpfc_vport *vport = phba->pport; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3822 | IOCB_t *icmd = &elsiocb->iocb; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3823 | dma_addr_t paddr; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3824 | struct lpfc_dmabuf *bdeBuf1 = elsiocb->context2; |
| 3825 | struct lpfc_dmabuf *bdeBuf2 = elsiocb->context3; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3826 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3827 | elsiocb->context2 = NULL; |
| 3828 | elsiocb->context3 = NULL; |
| 3829 | |
| 3830 | if (icmd->ulpStatus == IOSTAT_NEED_BUFFER) { |
| 3831 | lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ); |
| 3832 | } else if (icmd->ulpStatus == IOSTAT_LOCAL_REJECT && |
| 3833 | (icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING) { |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3834 | phba->fc_stat.NoRcvBuf++; |
| 3835 | /* Not enough posted buffers; Try posting more buffers */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3836 | if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3837 | lpfc_post_buffer(phba, pring, 0, 1); |
| 3838 | return; |
| 3839 | } |
| 3840 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3841 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
| 3842 | (icmd->ulpCommand == CMD_IOCB_RCV_ELS64_CX || |
| 3843 | icmd->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) { |
| 3844 | if (icmd->unsli3.rcvsli3.vpi == 0xffff) |
| 3845 | vport = phba->pport; |
| 3846 | else { |
| 3847 | uint16_t vpi = icmd->unsli3.rcvsli3.vpi; |
| 3848 | vport = lpfc_find_vport_by_vpid(phba, vpi); |
| 3849 | } |
| 3850 | } |
| 3851 | /* If there are no BDEs associated |
| 3852 | * with this IOCB, there is nothing to do. |
| 3853 | */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3854 | if (icmd->ulpBdeCount == 0) |
| 3855 | return; |
| 3856 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3857 | /* type of ELS cmd is first 32bit word |
| 3858 | * in packet |
| 3859 | */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3860 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3861 | elsiocb->context2 = bdeBuf1; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3862 | } else { |
| 3863 | paddr = getPaddr(icmd->un.cont64[0].addrHigh, |
| 3864 | icmd->un.cont64[0].addrLow); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3865 | elsiocb->context2 = lpfc_sli_ringpostbuf_get(phba, pring, |
| 3866 | paddr); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3867 | } |
| 3868 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3869 | lpfc_els_unsol_buffer(phba, pring, vport, elsiocb); |
| 3870 | /* |
| 3871 | * The different unsolicited event handlers would tell us |
| 3872 | * if they are done with "mp" by setting context2 to NULL. |
| 3873 | */ |
James Smart | 329f9bc | 2007-04-25 09:53:01 -0400 | [diff] [blame] | 3874 | lpfc_nlp_put(elsiocb->context1); |
| 3875 | elsiocb->context1 = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3876 | if (elsiocb->context2) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3877 | lpfc_in_buf_free(phba, (struct lpfc_dmabuf *)elsiocb->context2); |
| 3878 | elsiocb->context2 = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3879 | } |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3880 | |
| 3881 | /* RCV_ELS64_CX provide for 2 BDEs - process 2nd if included */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3882 | if ((phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) && |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3883 | icmd->ulpBdeCount == 2) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3884 | elsiocb->context2 = bdeBuf2; |
| 3885 | lpfc_els_unsol_buffer(phba, pring, vport, elsiocb); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3886 | /* free mp if we are done with it */ |
| 3887 | if (elsiocb->context2) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3888 | lpfc_in_buf_free(phba, elsiocb->context2); |
| 3889 | elsiocb->context2 = NULL; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3890 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3891 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3892 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame^] | 3893 | |
| 3894 | void |
| 3895 | lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport) |
| 3896 | { |
| 3897 | struct lpfc_nodelist *ndlp, *ndlp_fdmi; |
| 3898 | |
| 3899 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
| 3900 | if (!ndlp) { |
| 3901 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
| 3902 | if (!ndlp) { |
| 3903 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
| 3904 | lpfc_disc_start(vport); |
| 3905 | return; |
| 3906 | } |
| 3907 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
| 3908 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, |
| 3909 | "%d (%d):0251 NameServer login: no memory\n", |
| 3910 | phba->brd_no, vport->vpi); |
| 3911 | return; |
| 3912 | } |
| 3913 | lpfc_nlp_init(vport, ndlp, NameServer_DID); |
| 3914 | ndlp->nlp_type |= NLP_FABRIC; |
| 3915 | } |
| 3916 | |
| 3917 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
| 3918 | |
| 3919 | if (lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0)) { |
| 3920 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
| 3921 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, |
| 3922 | "%d (%d):0252 Cannot issue NameServer login\n", |
| 3923 | phba->brd_no, vport->vpi); |
| 3924 | return; |
| 3925 | } |
| 3926 | |
| 3927 | if (phba->cfg_fdmi_on) { |
| 3928 | ndlp_fdmi = mempool_alloc(phba->nlp_mem_pool, |
| 3929 | GFP_KERNEL); |
| 3930 | if (ndlp_fdmi) { |
| 3931 | lpfc_nlp_init(vport, ndlp_fdmi, FDMI_DID); |
| 3932 | ndlp_fdmi->nlp_type |= NLP_FABRIC; |
| 3933 | ndlp_fdmi->nlp_state = |
| 3934 | NLP_STE_PLOGI_ISSUE; |
| 3935 | lpfc_issue_els_plogi(vport, ndlp_fdmi->nlp_DID, |
| 3936 | 0); |
| 3937 | } |
| 3938 | } |
| 3939 | return; |
| 3940 | } |
| 3941 | |
| 3942 | static void |
| 3943 | lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
| 3944 | { |
| 3945 | struct lpfc_vport *vport = pmb->vport; |
| 3946 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 3947 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; |
| 3948 | MAILBOX_t *mb = &pmb->mb; |
| 3949 | |
| 3950 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; |
| 3951 | lpfc_nlp_put(ndlp); |
| 3952 | |
| 3953 | if (mb->mbxStatus) { |
| 3954 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
| 3955 | "%d (%d):0915 Register VPI failed: 0x%x\n", |
| 3956 | phba->brd_no, vport->vpi, mb->mbxStatus); |
| 3957 | |
| 3958 | switch (mb->mbxStatus) { |
| 3959 | case 0x11: /* unsupported feature */ |
| 3960 | case 0x9603: /* max_vpi exceeded */ |
| 3961 | /* giving up on vport registration */ |
| 3962 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
| 3963 | spin_lock_irq(shost->host_lock); |
| 3964 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); |
| 3965 | spin_unlock_irq(shost->host_lock); |
| 3966 | lpfc_can_disctmo(vport); |
| 3967 | break; |
| 3968 | default: |
| 3969 | /* Try to recover from this error */ |
| 3970 | lpfc_mbx_unreg_vpi(vport); |
| 3971 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
| 3972 | lpfc_initial_fdisc(vport); |
| 3973 | break; |
| 3974 | } |
| 3975 | |
| 3976 | } else { |
| 3977 | if (vport == phba->pport) |
| 3978 | lpfc_issue_fabric_reglogin(vport); |
| 3979 | else |
| 3980 | lpfc_do_scr_ns_plogi(phba, vport); |
| 3981 | } |
| 3982 | mempool_free(pmb, phba->mbox_mem_pool); |
| 3983 | return; |
| 3984 | } |
| 3985 | |
| 3986 | void |
| 3987 | lpfc_register_new_vport(struct lpfc_hba *phba, struct lpfc_vport *vport, |
| 3988 | struct lpfc_nodelist *ndlp) |
| 3989 | { |
| 3990 | LPFC_MBOXQ_t *mbox; |
| 3991 | |
| 3992 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 3993 | if (mbox) { |
| 3994 | lpfc_reg_vpi(phba, vport->vpi, vport->fc_myDID, mbox); |
| 3995 | mbox->vport = vport; |
| 3996 | mbox->context2 = lpfc_nlp_get(ndlp); |
| 3997 | mbox->mbox_cmpl = lpfc_cmpl_reg_new_vport; |
| 3998 | if (lpfc_sli_issue_mbox(phba, mbox, |
| 3999 | MBX_NOWAIT | MBX_STOP_IOCB) |
| 4000 | == MBX_NOT_FINISHED) { |
| 4001 | mempool_free(mbox, phba->mbox_mem_pool); |
| 4002 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; |
| 4003 | |
| 4004 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
| 4005 | |
| 4006 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
| 4007 | "%d (%d):0253 Register VPI: Cannot send mbox\n", |
| 4008 | phba->brd_no, vport->vpi); |
| 4009 | } |
| 4010 | } else { |
| 4011 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
| 4012 | |
| 4013 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
| 4014 | "%d (%d):0254 Register VPI: no memory\n", |
| 4015 | phba->brd_no, vport->vpi); |
| 4016 | |
| 4017 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; |
| 4018 | lpfc_nlp_put(ndlp); |
| 4019 | } |
| 4020 | } |
| 4021 | |
| 4022 | static void |
| 4023 | lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 4024 | struct lpfc_iocbq *rspiocb) |
| 4025 | { |
| 4026 | struct lpfc_vport *vport = cmdiocb->vport; |
| 4027 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 4028 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
| 4029 | struct lpfc_nodelist *np; |
| 4030 | struct lpfc_nodelist *next_np; |
| 4031 | IOCB_t *irsp = &rspiocb->iocb; |
| 4032 | struct lpfc_iocbq *piocb; |
| 4033 | |
| 4034 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
| 4035 | "%d (%d):0123 FDISC completes. x%x/x%x prevDID: x%x\n", |
| 4036 | phba->brd_no, vport->vpi, |
| 4037 | irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_prevDID); |
| 4038 | |
| 4039 | /* Since all FDISCs are being single threaded, we |
| 4040 | * must reset the discovery timer for ALL vports |
| 4041 | * waiting to send FDISC when one completes. |
| 4042 | */ |
| 4043 | list_for_each_entry(piocb, &phba->fabric_iocb_list, list) { |
| 4044 | lpfc_set_disctmo(piocb->vport); |
| 4045 | } |
| 4046 | |
| 4047 | if (irsp->ulpStatus) { |
| 4048 | /* Check for retry */ |
| 4049 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) |
| 4050 | goto out; |
| 4051 | |
| 4052 | /* FDISC failed */ |
| 4053 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, |
| 4054 | "%d (%d):0124 FDISC failed. (%d/%d)\n", |
| 4055 | phba->brd_no, vport->vpi, |
| 4056 | irsp->ulpStatus, irsp->un.ulpWord[4]); |
| 4057 | if (vport->fc_vport->vport_state == FC_VPORT_INITIALIZING) |
| 4058 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
| 4059 | |
| 4060 | lpfc_nlp_put(ndlp); |
| 4061 | /* giving up on FDISC. Cancel discovery timer */ |
| 4062 | lpfc_can_disctmo(vport); |
| 4063 | } else { |
| 4064 | spin_lock_irq(shost->host_lock); |
| 4065 | vport->fc_flag |= FC_FABRIC; |
| 4066 | if (vport->phba->fc_topology == TOPOLOGY_LOOP) |
| 4067 | vport->fc_flag |= FC_PUBLIC_LOOP; |
| 4068 | spin_unlock_irq(shost->host_lock); |
| 4069 | |
| 4070 | vport->fc_myDID = irsp->un.ulpWord[4] & Mask_DID; |
| 4071 | lpfc_vport_set_state(vport, FC_VPORT_ACTIVE); |
| 4072 | if ((vport->fc_prevDID != vport->fc_myDID) && |
| 4073 | !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) { |
| 4074 | /* If our NportID changed, we need to ensure all |
| 4075 | * remaining NPORTs get unreg_login'ed so we can |
| 4076 | * issue unreg_vpi. |
| 4077 | */ |
| 4078 | list_for_each_entry_safe(np, next_np, |
| 4079 | &vport->fc_nodes, nlp_listp) { |
| 4080 | if (np->nlp_state != NLP_STE_NPR_NODE |
| 4081 | || !(np->nlp_flag & NLP_NPR_ADISC)) |
| 4082 | continue; |
| 4083 | spin_lock_irq(shost->host_lock); |
| 4084 | np->nlp_flag &= ~NLP_NPR_ADISC; |
| 4085 | spin_unlock_irq(shost->host_lock); |
| 4086 | lpfc_unreg_rpi(vport, np); |
| 4087 | } |
| 4088 | lpfc_mbx_unreg_vpi(vport); |
| 4089 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
| 4090 | } |
| 4091 | |
| 4092 | if (vport->fc_flag & FC_VPORT_NEEDS_REG_VPI) |
| 4093 | lpfc_register_new_vport(phba, vport, ndlp); |
| 4094 | else |
| 4095 | lpfc_do_scr_ns_plogi(phba, vport); |
| 4096 | |
| 4097 | lpfc_nlp_put(ndlp); /* Free Fabric ndlp for vports */ |
| 4098 | } |
| 4099 | |
| 4100 | out: |
| 4101 | lpfc_els_free_iocb(phba, cmdiocb); |
| 4102 | } |
| 4103 | |
| 4104 | int |
| 4105 | lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
| 4106 | uint8_t retry) |
| 4107 | { |
| 4108 | struct lpfc_hba *phba = vport->phba; |
| 4109 | IOCB_t *icmd; |
| 4110 | struct lpfc_iocbq *elsiocb; |
| 4111 | struct serv_parm *sp; |
| 4112 | uint8_t *pcmd; |
| 4113 | uint16_t cmdsize; |
| 4114 | int did = ndlp->nlp_DID; |
| 4115 | int rc; |
| 4116 | int new_ndlp = 0; |
| 4117 | |
| 4118 | cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm)); |
| 4119 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, did, |
| 4120 | ELS_CMD_FDISC); |
| 4121 | if (!elsiocb) { |
| 4122 | if (new_ndlp) |
| 4123 | mempool_free(ndlp, phba->nlp_mem_pool); |
| 4124 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
| 4125 | |
| 4126 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, |
| 4127 | "%d (%d):0255 Issue FDISC: no IOCB\n", |
| 4128 | phba->brd_no, vport->vpi); |
| 4129 | return 1; |
| 4130 | } |
| 4131 | |
| 4132 | icmd = &elsiocb->iocb; |
| 4133 | icmd->un.elsreq64.myID = 0; |
| 4134 | icmd->un.elsreq64.fl = 1; |
| 4135 | |
| 4136 | /* For FDISC, Let FDISC rsp set the NPortID for this VPI */ |
| 4137 | icmd->ulpCt_h = 1; |
| 4138 | icmd->ulpCt_l = 0; |
| 4139 | |
| 4140 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 4141 | *((uint32_t *) (pcmd)) = ELS_CMD_FDISC; |
| 4142 | pcmd += sizeof(uint32_t); /* CSP Word 1 */ |
| 4143 | memcpy(pcmd, &vport->phba->pport->fc_sparam, sizeof(struct serv_parm)); |
| 4144 | sp = (struct serv_parm *) pcmd; |
| 4145 | /* Setup CSPs accordingly for Fabric */ |
| 4146 | sp->cmn.e_d_tov = 0; |
| 4147 | sp->cmn.w2.r_a_tov = 0; |
| 4148 | sp->cls1.classValid = 0; |
| 4149 | sp->cls2.seqDelivery = 1; |
| 4150 | sp->cls3.seqDelivery = 1; |
| 4151 | |
| 4152 | pcmd += sizeof(uint32_t); /* CSP Word 2 */ |
| 4153 | pcmd += sizeof(uint32_t); /* CSP Word 3 */ |
| 4154 | pcmd += sizeof(uint32_t); /* CSP Word 4 */ |
| 4155 | pcmd += sizeof(uint32_t); /* Port Name */ |
| 4156 | memcpy(pcmd, &vport->fc_portname, 8); |
| 4157 | pcmd += sizeof(uint32_t); /* Node Name */ |
| 4158 | pcmd += sizeof(uint32_t); /* Node Name */ |
| 4159 | memcpy(pcmd, &vport->fc_nodename, 8); |
| 4160 | |
| 4161 | lpfc_set_disctmo(vport); |
| 4162 | |
| 4163 | phba->fc_stat.elsXmitFDISC++; |
| 4164 | elsiocb->iocb_cmpl = lpfc_cmpl_els_fdisc; |
| 4165 | |
| 4166 | rc = lpfc_issue_fabric_iocb(phba, elsiocb); |
| 4167 | if (rc == IOCB_ERROR) { |
| 4168 | lpfc_els_free_iocb(phba, elsiocb); |
| 4169 | if (new_ndlp) |
| 4170 | mempool_free(ndlp, phba->nlp_mem_pool); |
| 4171 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
| 4172 | |
| 4173 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, |
| 4174 | "%d (%d):0256 Issue FDISC: Cannot send IOCB\n", |
| 4175 | phba->brd_no, vport->vpi); |
| 4176 | |
| 4177 | return 1; |
| 4178 | } |
| 4179 | lpfc_vport_set_state(vport, FC_VPORT_INITIALIZING); |
| 4180 | vport->port_state = LPFC_FDISC; |
| 4181 | return 0; |
| 4182 | } |
| 4183 | |
| 4184 | static void |
| 4185 | lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 4186 | struct lpfc_iocbq *rspiocb) |
| 4187 | { |
| 4188 | struct lpfc_vport *vport = cmdiocb->vport; |
| 4189 | |
| 4190 | lpfc_els_free_iocb(phba, cmdiocb); |
| 4191 | vport->unreg_vpi_cmpl = VPORT_ERROR; |
| 4192 | } |
| 4193 | |
| 4194 | int |
| 4195 | lpfc_issue_els_npiv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
| 4196 | { |
| 4197 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| 4198 | struct lpfc_hba *phba = vport->phba; |
| 4199 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
| 4200 | IOCB_t *icmd; |
| 4201 | struct lpfc_iocbq *elsiocb; |
| 4202 | uint8_t *pcmd; |
| 4203 | uint16_t cmdsize; |
| 4204 | |
| 4205 | cmdsize = 2 * sizeof(uint32_t) + sizeof(struct lpfc_name); |
| 4206 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, 0, ndlp, ndlp->nlp_DID, |
| 4207 | ELS_CMD_LOGO); |
| 4208 | if (!elsiocb) |
| 4209 | return 1; |
| 4210 | |
| 4211 | icmd = &elsiocb->iocb; |
| 4212 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
| 4213 | *((uint32_t *) (pcmd)) = ELS_CMD_LOGO; |
| 4214 | pcmd += sizeof(uint32_t); |
| 4215 | |
| 4216 | /* Fill in LOGO payload */ |
| 4217 | *((uint32_t *) (pcmd)) = be32_to_cpu(vport->fc_myDID); |
| 4218 | pcmd += sizeof(uint32_t); |
| 4219 | memcpy(pcmd, &vport->fc_portname, sizeof(struct lpfc_name)); |
| 4220 | |
| 4221 | elsiocb->iocb_cmpl = lpfc_cmpl_els_npiv_logo; |
| 4222 | spin_lock_irq(shost->host_lock); |
| 4223 | ndlp->nlp_flag |= NLP_LOGO_SND; |
| 4224 | spin_unlock_irq(shost->host_lock); |
| 4225 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
| 4226 | spin_lock_irq(shost->host_lock); |
| 4227 | ndlp->nlp_flag &= ~NLP_LOGO_SND; |
| 4228 | spin_unlock_irq(shost->host_lock); |
| 4229 | lpfc_els_free_iocb(phba, elsiocb); |
| 4230 | return 1; |
| 4231 | } |
| 4232 | return 0; |
| 4233 | } |
| 4234 | |
| 4235 | void |
| 4236 | lpfc_fabric_block_timeout(unsigned long ptr) |
| 4237 | { |
| 4238 | struct lpfc_hba *phba = (struct lpfc_hba *) ptr; |
| 4239 | unsigned long iflags; |
| 4240 | uint32_t tmo_posted; |
| 4241 | spin_lock_irqsave(&phba->pport->work_port_lock, iflags); |
| 4242 | tmo_posted = phba->pport->work_port_events & WORKER_FABRIC_BLOCK_TMO; |
| 4243 | if (!tmo_posted) |
| 4244 | phba->pport->work_port_events |= WORKER_FABRIC_BLOCK_TMO; |
| 4245 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflags); |
| 4246 | |
| 4247 | if (!tmo_posted) { |
| 4248 | spin_lock_irqsave(&phba->hbalock, iflags); |
| 4249 | if (phba->work_wait) |
| 4250 | lpfc_worker_wake_up(phba); |
| 4251 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
| 4252 | } |
| 4253 | } |
| 4254 | |
| 4255 | static void |
| 4256 | lpfc_resume_fabric_iocbs(struct lpfc_hba *phba) |
| 4257 | { |
| 4258 | struct lpfc_iocbq *iocb; |
| 4259 | unsigned long iflags; |
| 4260 | int ret; |
| 4261 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
| 4262 | IOCB_t *cmd; |
| 4263 | |
| 4264 | repeat: |
| 4265 | iocb = NULL; |
| 4266 | spin_lock_irqsave(&phba->hbalock, iflags); |
| 4267 | /* Post any pending iocb to the SLI layer */ |
| 4268 | if (atomic_read(&phba->fabric_iocb_count) == 0) { |
| 4269 | list_remove_head(&phba->fabric_iocb_list, iocb, typeof(*iocb), |
| 4270 | list); |
| 4271 | if (iocb) |
| 4272 | atomic_inc(&phba->fabric_iocb_count); |
| 4273 | } |
| 4274 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
| 4275 | if (iocb) { |
| 4276 | iocb->fabric_iocb_cmpl = iocb->iocb_cmpl; |
| 4277 | iocb->iocb_cmpl = lpfc_cmpl_fabric_iocb; |
| 4278 | iocb->iocb_flag |= LPFC_IO_FABRIC; |
| 4279 | |
| 4280 | ret = lpfc_sli_issue_iocb(phba, pring, iocb, 0); |
| 4281 | |
| 4282 | if (ret == IOCB_ERROR) { |
| 4283 | iocb->iocb_cmpl = iocb->fabric_iocb_cmpl; |
| 4284 | iocb->fabric_iocb_cmpl = NULL; |
| 4285 | iocb->iocb_flag &= ~LPFC_IO_FABRIC; |
| 4286 | cmd = &iocb->iocb; |
| 4287 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 4288 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 4289 | iocb->iocb_cmpl(phba, iocb, iocb); |
| 4290 | |
| 4291 | atomic_dec(&phba->fabric_iocb_count); |
| 4292 | goto repeat; |
| 4293 | } |
| 4294 | } |
| 4295 | |
| 4296 | return; |
| 4297 | } |
| 4298 | |
| 4299 | void |
| 4300 | lpfc_unblock_fabric_iocbs(struct lpfc_hba *phba) |
| 4301 | { |
| 4302 | clear_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); |
| 4303 | |
| 4304 | lpfc_resume_fabric_iocbs(phba); |
| 4305 | return; |
| 4306 | } |
| 4307 | |
| 4308 | static void |
| 4309 | lpfc_block_fabric_iocbs(struct lpfc_hba *phba) |
| 4310 | { |
| 4311 | int blocked; |
| 4312 | |
| 4313 | blocked = test_and_set_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); |
| 4314 | /* Start a timer to unblock fabric |
| 4315 | * iocbs after 100ms |
| 4316 | */ |
| 4317 | if (!blocked) |
| 4318 | mod_timer(&phba->fabric_block_timer, jiffies + HZ/10 ); |
| 4319 | |
| 4320 | return; |
| 4321 | } |
| 4322 | |
| 4323 | static void |
| 4324 | lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 4325 | struct lpfc_iocbq *rspiocb) |
| 4326 | { |
| 4327 | struct ls_rjt stat; |
| 4328 | |
| 4329 | if ((cmdiocb->iocb_flag & LPFC_IO_FABRIC) != LPFC_IO_FABRIC) |
| 4330 | BUG(); |
| 4331 | |
| 4332 | switch (rspiocb->iocb.ulpStatus) { |
| 4333 | case IOSTAT_NPORT_RJT: |
| 4334 | case IOSTAT_FABRIC_RJT: |
| 4335 | if (rspiocb->iocb.un.ulpWord[4] & RJT_UNAVAIL_TEMP) { |
| 4336 | lpfc_block_fabric_iocbs(phba); |
| 4337 | } |
| 4338 | break; |
| 4339 | |
| 4340 | case IOSTAT_NPORT_BSY: |
| 4341 | case IOSTAT_FABRIC_BSY: |
| 4342 | lpfc_block_fabric_iocbs(phba); |
| 4343 | break; |
| 4344 | |
| 4345 | case IOSTAT_LS_RJT: |
| 4346 | stat.un.lsRjtError = |
| 4347 | be32_to_cpu(rspiocb->iocb.un.ulpWord[4]); |
| 4348 | if ((stat.un.b.lsRjtRsnCode == LSRJT_UNABLE_TPC) || |
| 4349 | (stat.un.b.lsRjtRsnCode == LSRJT_LOGICAL_BSY)) |
| 4350 | lpfc_block_fabric_iocbs(phba); |
| 4351 | break; |
| 4352 | } |
| 4353 | |
| 4354 | if (atomic_read(&phba->fabric_iocb_count) == 0) |
| 4355 | BUG(); |
| 4356 | |
| 4357 | cmdiocb->iocb_cmpl = cmdiocb->fabric_iocb_cmpl; |
| 4358 | cmdiocb->fabric_iocb_cmpl = NULL; |
| 4359 | cmdiocb->iocb_flag &= ~LPFC_IO_FABRIC; |
| 4360 | cmdiocb->iocb_cmpl(phba, cmdiocb, rspiocb); |
| 4361 | |
| 4362 | atomic_dec(&phba->fabric_iocb_count); |
| 4363 | if (!test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags)) { |
| 4364 | /* Post any pending iocbs to HBA */ |
| 4365 | lpfc_resume_fabric_iocbs(phba); |
| 4366 | } |
| 4367 | } |
| 4368 | |
| 4369 | int |
| 4370 | lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb) |
| 4371 | { |
| 4372 | unsigned long iflags; |
| 4373 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
| 4374 | int ready; |
| 4375 | int ret; |
| 4376 | |
| 4377 | if (atomic_read(&phba->fabric_iocb_count) > 1) |
| 4378 | BUG(); |
| 4379 | |
| 4380 | spin_lock_irqsave(&phba->hbalock, iflags); |
| 4381 | ready = atomic_read(&phba->fabric_iocb_count) == 0 && |
| 4382 | !test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); |
| 4383 | |
| 4384 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
| 4385 | if (ready) { |
| 4386 | iocb->fabric_iocb_cmpl = iocb->iocb_cmpl; |
| 4387 | iocb->iocb_cmpl = lpfc_cmpl_fabric_iocb; |
| 4388 | iocb->iocb_flag |= LPFC_IO_FABRIC; |
| 4389 | |
| 4390 | atomic_inc(&phba->fabric_iocb_count); |
| 4391 | ret = lpfc_sli_issue_iocb(phba, pring, iocb, 0); |
| 4392 | |
| 4393 | if (ret == IOCB_ERROR) { |
| 4394 | iocb->iocb_cmpl = iocb->fabric_iocb_cmpl; |
| 4395 | iocb->fabric_iocb_cmpl = NULL; |
| 4396 | iocb->iocb_flag &= ~LPFC_IO_FABRIC; |
| 4397 | atomic_dec(&phba->fabric_iocb_count); |
| 4398 | } |
| 4399 | } else { |
| 4400 | spin_lock_irqsave(&phba->hbalock, iflags); |
| 4401 | list_add_tail(&iocb->list, &phba->fabric_iocb_list); |
| 4402 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
| 4403 | ret = IOCB_SUCCESS; |
| 4404 | } |
| 4405 | return ret; |
| 4406 | } |
| 4407 | |
| 4408 | |
| 4409 | void lpfc_fabric_abort_vport(struct lpfc_vport *vport) |
| 4410 | { |
| 4411 | LIST_HEAD(completions); |
| 4412 | struct lpfc_hba *phba = vport->phba; |
| 4413 | struct lpfc_iocbq *tmp_iocb, *piocb; |
| 4414 | IOCB_t *cmd; |
| 4415 | |
| 4416 | spin_lock_irq(&phba->hbalock); |
| 4417 | list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list, |
| 4418 | list) { |
| 4419 | |
| 4420 | if (piocb->vport != vport) |
| 4421 | continue; |
| 4422 | |
| 4423 | list_move_tail(&piocb->list, &completions); |
| 4424 | } |
| 4425 | spin_unlock_irq(&phba->hbalock); |
| 4426 | |
| 4427 | while (!list_empty(&completions)) { |
| 4428 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); |
| 4429 | list_del_init(&piocb->list); |
| 4430 | |
| 4431 | cmd = &piocb->iocb; |
| 4432 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 4433 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 4434 | (piocb->iocb_cmpl) (phba, piocb, piocb); |
| 4435 | } |
| 4436 | } |
| 4437 | |
| 4438 | void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp) |
| 4439 | { |
| 4440 | LIST_HEAD(completions); |
| 4441 | struct lpfc_hba *phba = ndlp->vport->phba; |
| 4442 | struct lpfc_iocbq *tmp_iocb, *piocb; |
| 4443 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
| 4444 | IOCB_t *cmd; |
| 4445 | |
| 4446 | spin_lock_irq(&phba->hbalock); |
| 4447 | list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list, |
| 4448 | list) { |
| 4449 | if ((lpfc_check_sli_ndlp(phba, pring, piocb, ndlp))) { |
| 4450 | |
| 4451 | list_move_tail(&piocb->list, &completions); |
| 4452 | } |
| 4453 | } |
| 4454 | spin_unlock_irq(&phba->hbalock); |
| 4455 | |
| 4456 | while (!list_empty(&completions)) { |
| 4457 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); |
| 4458 | list_del_init(&piocb->list); |
| 4459 | |
| 4460 | cmd = &piocb->iocb; |
| 4461 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 4462 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 4463 | (piocb->iocb_cmpl) (phba, piocb, piocb); |
| 4464 | } |
| 4465 | } |
| 4466 | |
| 4467 | void lpfc_fabric_abort_hba(struct lpfc_hba *phba) |
| 4468 | { |
| 4469 | LIST_HEAD(completions); |
| 4470 | struct lpfc_iocbq *piocb; |
| 4471 | IOCB_t *cmd; |
| 4472 | |
| 4473 | spin_lock_irq(&phba->hbalock); |
| 4474 | list_splice_init(&phba->fabric_iocb_list, &completions); |
| 4475 | spin_unlock_irq(&phba->hbalock); |
| 4476 | |
| 4477 | while (!list_empty(&completions)) { |
| 4478 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); |
| 4479 | list_del_init(&piocb->list); |
| 4480 | |
| 4481 | cmd = &piocb->iocb; |
| 4482 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 4483 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 4484 | (piocb->iocb_cmpl) (phba, piocb, piocb); |
| 4485 | } |
| 4486 | } |
| 4487 | |
| 4488 | |
| 4489 | void lpfc_fabric_abort_flogi(struct lpfc_hba *phba) |
| 4490 | { |
| 4491 | LIST_HEAD(completions); |
| 4492 | struct lpfc_iocbq *tmp_iocb, *piocb; |
| 4493 | IOCB_t *cmd; |
| 4494 | struct lpfc_nodelist *ndlp; |
| 4495 | |
| 4496 | spin_lock_irq(&phba->hbalock); |
| 4497 | list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list, |
| 4498 | list) { |
| 4499 | |
| 4500 | cmd = &piocb->iocb; |
| 4501 | ndlp = (struct lpfc_nodelist *) piocb->context1; |
| 4502 | if (cmd->ulpCommand == CMD_ELS_REQUEST64_CR && |
| 4503 | ndlp != NULL && |
| 4504 | ndlp->nlp_DID == Fabric_DID) |
| 4505 | list_move_tail(&piocb->list, &completions); |
| 4506 | } |
| 4507 | spin_unlock_irq(&phba->hbalock); |
| 4508 | |
| 4509 | while (!list_empty(&completions)) { |
| 4510 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); |
| 4511 | list_del_init(&piocb->list); |
| 4512 | |
| 4513 | cmd = &piocb->iocb; |
| 4514 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 4515 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 4516 | (piocb->iocb_cmpl) (phba, piocb, piocb); |
| 4517 | } |
| 4518 | } |
| 4519 | |
| 4520 | |