| 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 | #include <linux/delay.h> |
| 26 | |
James.Smart@Emulex.Com | 9188652 | 2005-08-10 15:03:09 -0400 | [diff] [blame] | 27 | #include <scsi/scsi.h> |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 28 | #include <scsi/scsi_cmnd.h> |
| 29 | #include <scsi/scsi_device.h> |
| 30 | #include <scsi/scsi_host.h> |
James.Smart@Emulex.Com | f888ba3 | 2005-08-10 15:03:01 -0400 | [diff] [blame] | 31 | #include <scsi/scsi_transport_fc.h> |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 32 | |
| 33 | #include "lpfc_hw.h" |
| 34 | #include "lpfc_sli.h" |
| 35 | #include "lpfc_disc.h" |
| 36 | #include "lpfc_scsi.h" |
| 37 | #include "lpfc.h" |
| 38 | #include "lpfc_crtn.h" |
| 39 | #include "lpfc_logmsg.h" |
| 40 | #include "lpfc_compat.h" |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 41 | #include "lpfc_debugfs.h" |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 42 | |
| 43 | /* |
| 44 | * Define macro to log: Mailbox command x%x cannot issue Data |
| 45 | * This allows multiple uses of lpfc_msgBlk0311 |
| 46 | * w/o perturbing log msg utility. |
| 47 | */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 48 | #define LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag) \ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 49 | lpfc_printf_log(phba, \ |
| 50 | KERN_INFO, \ |
| 51 | LOG_MBOX | LOG_SLI, \ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 52 | "(%d):0311 Mailbox command x%x cannot " \ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 53 | "issue Data: x%x x%x x%x\n", \ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 54 | pmbox->vport ? pmbox->vport->vpi : 0, \ |
| 55 | pmbox->mb.mbxCommand, \ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 56 | phba->pport->port_state, \ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 57 | psli->sli_flag, \ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 58 | flag) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 59 | |
| 60 | |
| 61 | /* There are only four IOCB completion types. */ |
| 62 | typedef enum _lpfc_iocb_type { |
| 63 | LPFC_UNKNOWN_IOCB, |
| 64 | LPFC_UNSOL_IOCB, |
| 65 | LPFC_SOL_IOCB, |
| 66 | LPFC_ABORT_IOCB |
| 67 | } lpfc_iocb_type; |
| 68 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 69 | /* SLI-2/SLI-3 provide different sized iocbs. Given a pointer |
| 70 | * to the start of the ring, and the slot number of the |
| 71 | * desired iocb entry, calc a pointer to that entry. |
| 72 | */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 73 | static inline IOCB_t * |
| 74 | lpfc_cmd_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
| 75 | { |
| 76 | return (IOCB_t *) (((char *) pring->cmdringaddr) + |
| 77 | pring->cmdidx * phba->iocb_cmd_size); |
| 78 | } |
| 79 | |
| 80 | static inline IOCB_t * |
| 81 | lpfc_resp_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
| 82 | { |
| 83 | return (IOCB_t *) (((char *) pring->rspringaddr) + |
| 84 | pring->rspidx * phba->iocb_rsp_size); |
| 85 | } |
| 86 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 87 | static struct lpfc_iocbq * |
| 88 | __lpfc_sli_get_iocbq(struct lpfc_hba *phba) |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 89 | { |
| 90 | struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; |
| 91 | struct lpfc_iocbq * iocbq = NULL; |
| 92 | |
| 93 | list_remove_head(lpfc_iocb_list, iocbq, struct lpfc_iocbq, list); |
| 94 | return iocbq; |
| 95 | } |
| 96 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 97 | struct lpfc_iocbq * |
| 98 | lpfc_sli_get_iocbq(struct lpfc_hba *phba) |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 99 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 100 | struct lpfc_iocbq * iocbq = NULL; |
| 101 | unsigned long iflags; |
| 102 | |
| 103 | spin_lock_irqsave(&phba->hbalock, iflags); |
| 104 | iocbq = __lpfc_sli_get_iocbq(phba); |
| 105 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
| 106 | return iocbq; |
| 107 | } |
| 108 | |
| 109 | void |
| 110 | __lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) |
| 111 | { |
| 112 | size_t start_clean = offsetof(struct lpfc_iocbq, iocb); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 113 | |
| 114 | /* |
| 115 | * Clean all volatile data fields, preserve iotag and node struct. |
| 116 | */ |
| 117 | memset((char*)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean); |
| 118 | list_add_tail(&iocbq->list, &phba->lpfc_iocb_list); |
| 119 | } |
| 120 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 121 | void |
| 122 | lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) |
| 123 | { |
| 124 | unsigned long iflags; |
| 125 | |
| 126 | /* |
| 127 | * Clean all volatile data fields, preserve iotag and node struct. |
| 128 | */ |
| 129 | spin_lock_irqsave(&phba->hbalock, iflags); |
| 130 | __lpfc_sli_release_iocbq(phba, iocbq); |
| 131 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
| 132 | } |
| 133 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 134 | /* |
| 135 | * Translate the iocb command to an iocb command type used to decide the final |
| 136 | * disposition of each completed IOCB. |
| 137 | */ |
| 138 | static lpfc_iocb_type |
| 139 | lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) |
| 140 | { |
| 141 | lpfc_iocb_type type = LPFC_UNKNOWN_IOCB; |
| 142 | |
| 143 | if (iocb_cmnd > CMD_MAX_IOCB_CMD) |
| 144 | return 0; |
| 145 | |
| 146 | switch (iocb_cmnd) { |
| 147 | case CMD_XMIT_SEQUENCE_CR: |
| 148 | case CMD_XMIT_SEQUENCE_CX: |
| 149 | case CMD_XMIT_BCAST_CN: |
| 150 | case CMD_XMIT_BCAST_CX: |
| 151 | case CMD_ELS_REQUEST_CR: |
| 152 | case CMD_ELS_REQUEST_CX: |
| 153 | case CMD_CREATE_XRI_CR: |
| 154 | case CMD_CREATE_XRI_CX: |
| 155 | case CMD_GET_RPI_CN: |
| 156 | case CMD_XMIT_ELS_RSP_CX: |
| 157 | case CMD_GET_RPI_CR: |
| 158 | case CMD_FCP_IWRITE_CR: |
| 159 | case CMD_FCP_IWRITE_CX: |
| 160 | case CMD_FCP_IREAD_CR: |
| 161 | case CMD_FCP_IREAD_CX: |
| 162 | case CMD_FCP_ICMND_CR: |
| 163 | case CMD_FCP_ICMND_CX: |
James Smart | f560351 | 2006-12-02 13:35:43 -0500 | [diff] [blame] | 164 | case CMD_FCP_TSEND_CX: |
| 165 | case CMD_FCP_TRSP_CX: |
| 166 | case CMD_FCP_TRECEIVE_CX: |
| 167 | case CMD_FCP_AUTO_TRSP_CX: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 168 | case CMD_ADAPTER_MSG: |
| 169 | case CMD_ADAPTER_DUMP: |
| 170 | case CMD_XMIT_SEQUENCE64_CR: |
| 171 | case CMD_XMIT_SEQUENCE64_CX: |
| 172 | case CMD_XMIT_BCAST64_CN: |
| 173 | case CMD_XMIT_BCAST64_CX: |
| 174 | case CMD_ELS_REQUEST64_CR: |
| 175 | case CMD_ELS_REQUEST64_CX: |
| 176 | case CMD_FCP_IWRITE64_CR: |
| 177 | case CMD_FCP_IWRITE64_CX: |
| 178 | case CMD_FCP_IREAD64_CR: |
| 179 | case CMD_FCP_IREAD64_CX: |
| 180 | case CMD_FCP_ICMND64_CR: |
| 181 | case CMD_FCP_ICMND64_CX: |
James Smart | f560351 | 2006-12-02 13:35:43 -0500 | [diff] [blame] | 182 | case CMD_FCP_TSEND64_CX: |
| 183 | case CMD_FCP_TRSP64_CX: |
| 184 | case CMD_FCP_TRECEIVE64_CX: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 185 | case CMD_GEN_REQUEST64_CR: |
| 186 | case CMD_GEN_REQUEST64_CX: |
| 187 | case CMD_XMIT_ELS_RSP64_CX: |
| 188 | type = LPFC_SOL_IOCB; |
| 189 | break; |
| 190 | case CMD_ABORT_XRI_CN: |
| 191 | case CMD_ABORT_XRI_CX: |
| 192 | case CMD_CLOSE_XRI_CN: |
| 193 | case CMD_CLOSE_XRI_CX: |
| 194 | case CMD_XRI_ABORTED_CX: |
| 195 | case CMD_ABORT_MXRI64_CN: |
| 196 | type = LPFC_ABORT_IOCB; |
| 197 | break; |
| 198 | case CMD_RCV_SEQUENCE_CX: |
| 199 | case CMD_RCV_ELS_REQ_CX: |
| 200 | case CMD_RCV_SEQUENCE64_CX: |
| 201 | case CMD_RCV_ELS_REQ64_CX: |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 202 | case CMD_IOCB_RCV_SEQ64_CX: |
| 203 | case CMD_IOCB_RCV_ELS64_CX: |
| 204 | case CMD_IOCB_RCV_CONT64_CX: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 205 | type = LPFC_UNSOL_IOCB; |
| 206 | break; |
| 207 | default: |
| 208 | type = LPFC_UNKNOWN_IOCB; |
| 209 | break; |
| 210 | } |
| 211 | |
| 212 | return type; |
| 213 | } |
| 214 | |
| 215 | static int |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 216 | lpfc_sli_ring_map(struct lpfc_hba *phba) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 217 | { |
| 218 | struct lpfc_sli *psli = &phba->sli; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 219 | LPFC_MBOXQ_t *pmb; |
| 220 | MAILBOX_t *pmbox; |
| 221 | int i, rc, ret = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 222 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 223 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 224 | if (!pmb) |
| 225 | return -ENOMEM; |
| 226 | pmbox = &pmb->mb; |
| 227 | phba->link_state = LPFC_INIT_MBX_CMDS; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 228 | for (i = 0; i < psli->num_rings; i++) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 229 | lpfc_config_ring(phba, i, pmb); |
| 230 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
| 231 | if (rc != MBX_SUCCESS) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 232 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 233 | "0446 Adapter failed to init (%d), " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 234 | "mbxCmd x%x CFG_RING, mbxStatus x%x, " |
| 235 | "ring %d\n", |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 236 | rc, pmbox->mbxCommand, |
| 237 | pmbox->mbxStatus, i); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 238 | phba->link_state = LPFC_HBA_ERROR; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 239 | ret = -ENXIO; |
| 240 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 241 | } |
| 242 | } |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 243 | mempool_free(pmb, phba->mbox_mem_pool); |
| 244 | return ret; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 245 | } |
| 246 | |
| 247 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 248 | lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 249 | struct lpfc_iocbq *piocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 250 | { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 251 | list_add_tail(&piocb->list, &pring->txcmplq); |
| 252 | pring->txcmplq_cnt++; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 253 | if ((unlikely(pring->ringno == LPFC_ELS_RING)) && |
| 254 | (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) && |
| 255 | (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) { |
| 256 | if (!piocb->vport) |
| 257 | BUG(); |
| 258 | else |
| 259 | mod_timer(&piocb->vport->els_tmofunc, |
| 260 | jiffies + HZ * (phba->fc_ratov << 1)); |
| 261 | } |
| 262 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 263 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 264 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 265 | } |
| 266 | |
| 267 | static struct lpfc_iocbq * |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 268 | lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 269 | { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 270 | struct lpfc_iocbq *cmd_iocb; |
| 271 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 272 | list_remove_head((&pring->txq), cmd_iocb, struct lpfc_iocbq, list); |
| 273 | if (cmd_iocb != NULL) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 274 | pring->txq_cnt--; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 275 | return cmd_iocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 276 | } |
| 277 | |
| 278 | static IOCB_t * |
| 279 | lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
| 280 | { |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 281 | struct lpfc_pgp *pgp = (phba->sli_rev == 3) ? |
| 282 | &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : |
| 283 | &phba->slim2p->mbx.us.s2.port[pring->ringno]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 284 | uint32_t max_cmd_idx = pring->numCiocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 285 | |
| 286 | if ((pring->next_cmdidx == pring->cmdidx) && |
| 287 | (++pring->next_cmdidx >= max_cmd_idx)) |
| 288 | pring->next_cmdidx = 0; |
| 289 | |
| 290 | if (unlikely(pring->local_getidx == pring->next_cmdidx)) { |
| 291 | |
| 292 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); |
| 293 | |
| 294 | if (unlikely(pring->local_getidx >= max_cmd_idx)) { |
| 295 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 296 | "0315 Ring %d issue: portCmdGet %d " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 297 | "is bigger then cmd ring %d\n", |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 298 | pring->ringno, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 299 | pring->local_getidx, max_cmd_idx); |
| 300 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 301 | phba->link_state = LPFC_HBA_ERROR; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 302 | /* |
| 303 | * All error attention handlers are posted to |
| 304 | * worker thread |
| 305 | */ |
| 306 | phba->work_ha |= HA_ERATT; |
| 307 | phba->work_hs = HS_FFER3; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 308 | |
| 309 | /* hbalock should already be held */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 310 | if (phba->work_wait) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 311 | lpfc_worker_wake_up(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 312 | |
| 313 | return NULL; |
| 314 | } |
| 315 | |
| 316 | if (pring->local_getidx == pring->next_cmdidx) |
| 317 | return NULL; |
| 318 | } |
| 319 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 320 | return lpfc_cmd_iocb(phba, pring); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 321 | } |
| 322 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 323 | uint16_t |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 324 | lpfc_sli_next_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 325 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 326 | struct lpfc_iocbq **new_arr; |
| 327 | struct lpfc_iocbq **old_arr; |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 328 | size_t new_len; |
| 329 | struct lpfc_sli *psli = &phba->sli; |
| 330 | uint16_t iotag; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 331 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 332 | spin_lock_irq(&phba->hbalock); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 333 | iotag = psli->last_iotag; |
| 334 | if(++iotag < psli->iocbq_lookup_len) { |
| 335 | psli->last_iotag = iotag; |
| 336 | psli->iocbq_lookup[iotag] = iocbq; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 337 | spin_unlock_irq(&phba->hbalock); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 338 | iocbq->iotag = iotag; |
| 339 | return iotag; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 340 | } else if (psli->iocbq_lookup_len < (0xffff |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 341 | - LPFC_IOCBQ_LOOKUP_INCREMENT)) { |
| 342 | new_len = psli->iocbq_lookup_len + LPFC_IOCBQ_LOOKUP_INCREMENT; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 343 | spin_unlock_irq(&phba->hbalock); |
| 344 | new_arr = kzalloc(new_len * sizeof (struct lpfc_iocbq *), |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 345 | GFP_KERNEL); |
| 346 | if (new_arr) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 347 | spin_lock_irq(&phba->hbalock); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 348 | old_arr = psli->iocbq_lookup; |
| 349 | if (new_len <= psli->iocbq_lookup_len) { |
| 350 | /* highly unprobable case */ |
| 351 | kfree(new_arr); |
| 352 | iotag = psli->last_iotag; |
| 353 | if(++iotag < psli->iocbq_lookup_len) { |
| 354 | psli->last_iotag = iotag; |
| 355 | psli->iocbq_lookup[iotag] = iocbq; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 356 | spin_unlock_irq(&phba->hbalock); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 357 | iocbq->iotag = iotag; |
| 358 | return iotag; |
| 359 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 360 | spin_unlock_irq(&phba->hbalock); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 361 | return 0; |
| 362 | } |
| 363 | if (psli->iocbq_lookup) |
| 364 | memcpy(new_arr, old_arr, |
| 365 | ((psli->last_iotag + 1) * |
James Smart | 311464e | 2007-08-02 11:10:37 -0400 | [diff] [blame] | 366 | sizeof (struct lpfc_iocbq *))); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 367 | psli->iocbq_lookup = new_arr; |
| 368 | psli->iocbq_lookup_len = new_len; |
| 369 | psli->last_iotag = iotag; |
| 370 | psli->iocbq_lookup[iotag] = iocbq; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 371 | spin_unlock_irq(&phba->hbalock); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 372 | iocbq->iotag = iotag; |
| 373 | kfree(old_arr); |
| 374 | return iotag; |
| 375 | } |
James Smart | 8f6d98d | 2006-08-01 07:34:00 -0400 | [diff] [blame] | 376 | } else |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 377 | spin_unlock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 378 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 379 | lpfc_printf_log(phba, KERN_ERR,LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 380 | "0318 Failed to allocate IOTAG.last IOTAG is %d\n", |
| 381 | psli->last_iotag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 382 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 383 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 384 | } |
| 385 | |
| 386 | static void |
| 387 | lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 388 | IOCB_t *iocb, struct lpfc_iocbq *nextiocb) |
| 389 | { |
| 390 | /* |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 391 | * Set up an iotag |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 392 | */ |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 393 | nextiocb->iocb.ulpIoTag = (nextiocb->iocb_cmpl) ? nextiocb->iotag : 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 394 | |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 395 | if (pring->ringno == LPFC_ELS_RING) { |
| 396 | lpfc_debugfs_slow_ring_trc(phba, |
| 397 | "IOCB cmd ring: wd4:x%08x wd6:x%08x wd7:x%08x", |
| 398 | *(((uint32_t *) &nextiocb->iocb) + 4), |
| 399 | *(((uint32_t *) &nextiocb->iocb) + 6), |
| 400 | *(((uint32_t *) &nextiocb->iocb) + 7)); |
| 401 | } |
| 402 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 403 | /* |
| 404 | * Issue iocb command to adapter |
| 405 | */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 406 | lpfc_sli_pcimem_bcopy(&nextiocb->iocb, iocb, phba->iocb_cmd_size); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 407 | wmb(); |
| 408 | pring->stats.iocb_cmd++; |
| 409 | |
| 410 | /* |
| 411 | * If there is no completion routine to call, we can release the |
| 412 | * IOCB buffer back right now. For IOCBs, like QUE_RING_BUF, |
| 413 | * that have no rsp ring completion, iocb_cmpl MUST be NULL. |
| 414 | */ |
| 415 | if (nextiocb->iocb_cmpl) |
| 416 | lpfc_sli_ringtxcmpl_put(phba, pring, nextiocb); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 417 | else |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 418 | __lpfc_sli_release_iocbq(phba, nextiocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 419 | |
| 420 | /* |
| 421 | * Let the HBA know what IOCB slot will be the next one the |
| 422 | * driver will put a command into. |
| 423 | */ |
| 424 | pring->cmdidx = pring->next_cmdidx; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 425 | writel(pring->cmdidx, &phba->host_gp[pring->ringno].cmdPutInx); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 426 | } |
| 427 | |
| 428 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 429 | lpfc_sli_update_full_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 430 | { |
| 431 | int ringno = pring->ringno; |
| 432 | |
| 433 | pring->flag |= LPFC_CALL_RING_AVAILABLE; |
| 434 | |
| 435 | wmb(); |
| 436 | |
| 437 | /* |
| 438 | * Set ring 'ringno' to SET R0CE_REQ in Chip Att register. |
| 439 | * The HBA will tell us when an IOCB entry is available. |
| 440 | */ |
| 441 | writel((CA_R0ATT|CA_R0CE_REQ) << (ringno*4), phba->CAregaddr); |
| 442 | readl(phba->CAregaddr); /* flush */ |
| 443 | |
| 444 | pring->stats.iocb_cmd_full++; |
| 445 | } |
| 446 | |
| 447 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 448 | lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 449 | { |
| 450 | int ringno = pring->ringno; |
| 451 | |
| 452 | /* |
| 453 | * Tell the HBA that there is work to do in this ring. |
| 454 | */ |
| 455 | wmb(); |
| 456 | writel(CA_R0ATT << (ringno * 4), phba->CAregaddr); |
| 457 | readl(phba->CAregaddr); /* flush */ |
| 458 | } |
| 459 | |
| 460 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 461 | lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 462 | { |
| 463 | IOCB_t *iocb; |
| 464 | struct lpfc_iocbq *nextiocb; |
| 465 | |
| 466 | /* |
| 467 | * Check to see if: |
| 468 | * (a) there is anything on the txq to send |
| 469 | * (b) link is up |
| 470 | * (c) link attention events can be processed (fcp ring only) |
| 471 | * (d) IOCB processing is not blocked by the outstanding mbox command. |
| 472 | */ |
| 473 | if (pring->txq_cnt && |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 474 | lpfc_is_link_up(phba) && |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 475 | (pring->ringno != phba->sli.fcp_ring || |
| 476 | phba->sli.sli_flag & LPFC_PROCESS_LA) && |
| 477 | !(pring->flag & LPFC_STOP_IOCB_MBX)) { |
| 478 | |
| 479 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && |
| 480 | (nextiocb = lpfc_sli_ringtx_get(phba, pring))) |
| 481 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); |
| 482 | |
| 483 | if (iocb) |
| 484 | lpfc_sli_update_ring(phba, pring); |
| 485 | else |
| 486 | lpfc_sli_update_full_ring(phba, pring); |
| 487 | } |
| 488 | |
| 489 | return; |
| 490 | } |
| 491 | |
| 492 | /* lpfc_sli_turn_on_ring is only called by lpfc_sli_handle_mb_event below */ |
| 493 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 494 | lpfc_sli_turn_on_ring(struct lpfc_hba *phba, int ringno) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 495 | { |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 496 | struct lpfc_pgp *pgp = (phba->sli_rev == 3) ? |
| 497 | &phba->slim2p->mbx.us.s3_pgp.port[ringno] : |
| 498 | &phba->slim2p->mbx.us.s2.port[ringno]; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 499 | unsigned long iflags; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 500 | |
| 501 | /* If the ring is active, flag it */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 502 | spin_lock_irqsave(&phba->hbalock, iflags); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 503 | if (phba->sli.ring[ringno].cmdringaddr) { |
| 504 | if (phba->sli.ring[ringno].flag & LPFC_STOP_IOCB_MBX) { |
| 505 | phba->sli.ring[ringno].flag &= ~LPFC_STOP_IOCB_MBX; |
| 506 | /* |
| 507 | * Force update of the local copy of cmdGetInx |
| 508 | */ |
| 509 | phba->sli.ring[ringno].local_getidx |
| 510 | = le32_to_cpu(pgp->cmdGetInx); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 511 | lpfc_sli_resume_iocb(phba, &phba->sli.ring[ringno]); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 512 | } |
| 513 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 514 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 515 | } |
| 516 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 517 | struct lpfc_hbq_entry * |
| 518 | lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno) |
| 519 | { |
| 520 | struct hbq_s *hbqp = &phba->hbqs[hbqno]; |
| 521 | |
| 522 | if (hbqp->next_hbqPutIdx == hbqp->hbqPutIdx && |
| 523 | ++hbqp->next_hbqPutIdx >= hbqp->entry_count) |
| 524 | hbqp->next_hbqPutIdx = 0; |
| 525 | |
| 526 | if (unlikely(hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx)) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 527 | uint32_t raw_index = phba->hbq_get[hbqno]; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 528 | uint32_t getidx = le32_to_cpu(raw_index); |
| 529 | |
| 530 | hbqp->local_hbqGetIdx = getidx; |
| 531 | |
| 532 | if (unlikely(hbqp->local_hbqGetIdx >= hbqp->entry_count)) { |
| 533 | lpfc_printf_log(phba, KERN_ERR, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 534 | LOG_SLI | LOG_VPORT, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 535 | "1802 HBQ %d: local_hbqGetIdx " |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 536 | "%u is > than hbqp->entry_count %u\n", |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 537 | hbqno, hbqp->local_hbqGetIdx, |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 538 | hbqp->entry_count); |
| 539 | |
| 540 | phba->link_state = LPFC_HBA_ERROR; |
| 541 | return NULL; |
| 542 | } |
| 543 | |
| 544 | if (hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx) |
| 545 | return NULL; |
| 546 | } |
| 547 | |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 548 | return (struct lpfc_hbq_entry *) phba->hbqs[hbqno].hbq_virt + |
| 549 | hbqp->hbqPutIdx; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 550 | } |
| 551 | |
| 552 | void |
| 553 | lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba) |
| 554 | { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 555 | struct lpfc_dmabuf *dmabuf, *next_dmabuf; |
| 556 | struct hbq_dmabuf *hbq_buf; |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 557 | int i, hbq_count; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 558 | |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 559 | hbq_count = lpfc_sli_hbq_count(); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 560 | /* Return all memory used by all HBQs */ |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 561 | for (i = 0; i < hbq_count; ++i) { |
| 562 | list_for_each_entry_safe(dmabuf, next_dmabuf, |
| 563 | &phba->hbqs[i].hbq_buffer_list, list) { |
| 564 | hbq_buf = container_of(dmabuf, struct hbq_dmabuf, dbuf); |
| 565 | list_del(&hbq_buf->dbuf.list); |
| 566 | (phba->hbqs[i].hbq_free_buffer)(phba, hbq_buf); |
| 567 | } |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 568 | } |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 569 | } |
| 570 | |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 571 | static struct lpfc_hbq_entry * |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 572 | lpfc_sli_hbq_to_firmware(struct lpfc_hba *phba, uint32_t hbqno, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 573 | struct hbq_dmabuf *hbq_buf) |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 574 | { |
| 575 | struct lpfc_hbq_entry *hbqe; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 576 | dma_addr_t physaddr = hbq_buf->dbuf.phys; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 577 | |
| 578 | /* Get next HBQ entry slot to use */ |
| 579 | hbqe = lpfc_sli_next_hbq_slot(phba, hbqno); |
| 580 | if (hbqe) { |
| 581 | struct hbq_s *hbqp = &phba->hbqs[hbqno]; |
| 582 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 583 | hbqe->bde.addrHigh = le32_to_cpu(putPaddrHigh(physaddr)); |
| 584 | hbqe->bde.addrLow = le32_to_cpu(putPaddrLow(physaddr)); |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 585 | hbqe->bde.tus.f.bdeSize = hbq_buf->size; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 586 | hbqe->bde.tus.f.bdeFlags = 0; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 587 | hbqe->bde.tus.w = le32_to_cpu(hbqe->bde.tus.w); |
| 588 | hbqe->buffer_tag = le32_to_cpu(hbq_buf->tag); |
| 589 | /* Sync SLIM */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 590 | hbqp->hbqPutIdx = hbqp->next_hbqPutIdx; |
| 591 | writel(hbqp->hbqPutIdx, phba->hbq_put + hbqno); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 592 | /* flush */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 593 | readl(phba->hbq_put + hbqno); |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 594 | list_add_tail(&hbq_buf->dbuf.list, &hbqp->hbq_buffer_list); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 595 | } |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 596 | return hbqe; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 597 | } |
| 598 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 599 | static struct lpfc_hbq_init lpfc_els_hbq = { |
| 600 | .rn = 1, |
| 601 | .entry_count = 200, |
| 602 | .mask_count = 0, |
| 603 | .profile = 0, |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 604 | .ring_mask = (1 << LPFC_ELS_RING), |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 605 | .buffer_count = 0, |
| 606 | .init_count = 20, |
| 607 | .add_count = 5, |
| 608 | }; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 609 | |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 610 | static struct lpfc_hbq_init lpfc_extra_hbq = { |
| 611 | .rn = 1, |
| 612 | .entry_count = 200, |
| 613 | .mask_count = 0, |
| 614 | .profile = 0, |
| 615 | .ring_mask = (1 << LPFC_EXTRA_RING), |
| 616 | .buffer_count = 0, |
| 617 | .init_count = 0, |
| 618 | .add_count = 5, |
| 619 | }; |
| 620 | |
James Smart | 78b2d85 | 2007-08-02 11:10:21 -0400 | [diff] [blame] | 621 | struct lpfc_hbq_init *lpfc_hbq_defs[] = { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 622 | &lpfc_els_hbq, |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 623 | &lpfc_extra_hbq, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 624 | }; |
| 625 | |
James Smart | 311464e | 2007-08-02 11:10:37 -0400 | [diff] [blame] | 626 | static int |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 627 | lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count) |
| 628 | { |
| 629 | uint32_t i, start, end; |
| 630 | struct hbq_dmabuf *hbq_buffer; |
| 631 | |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 632 | if (!phba->hbqs[hbqno].hbq_alloc_buffer) { |
| 633 | return 0; |
| 634 | } |
| 635 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 636 | start = lpfc_hbq_defs[hbqno]->buffer_count; |
| 637 | end = count + lpfc_hbq_defs[hbqno]->buffer_count; |
| 638 | if (end > lpfc_hbq_defs[hbqno]->entry_count) { |
| 639 | end = lpfc_hbq_defs[hbqno]->entry_count; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 640 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 641 | |
| 642 | /* Populate HBQ entries */ |
| 643 | for (i = start; i < end; i++) { |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 644 | hbq_buffer = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 645 | if (!hbq_buffer) |
| 646 | return 1; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 647 | hbq_buffer->tag = (i | (hbqno << 16)); |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 648 | if (lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) |
| 649 | lpfc_hbq_defs[hbqno]->buffer_count++; |
| 650 | else |
| 651 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 652 | } |
| 653 | return 0; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 654 | } |
| 655 | |
| 656 | int |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 657 | lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno) |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 658 | { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 659 | return(lpfc_sli_hbqbuf_fill_hbqs(phba, qno, |
| 660 | lpfc_hbq_defs[qno]->add_count)); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 661 | } |
| 662 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 663 | int |
| 664 | lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno) |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 665 | { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 666 | return(lpfc_sli_hbqbuf_fill_hbqs(phba, qno, |
| 667 | lpfc_hbq_defs[qno]->init_count)); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 668 | } |
| 669 | |
| 670 | struct hbq_dmabuf * |
| 671 | lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag) |
| 672 | { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 673 | struct lpfc_dmabuf *d_buf; |
| 674 | struct hbq_dmabuf *hbq_buf; |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 675 | uint32_t hbqno; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 676 | |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 677 | hbqno = tag >> 16; |
Jesper Juhl | a0a74e45 | 2007-08-09 20:47:15 +0200 | [diff] [blame] | 678 | if (hbqno >= LPFC_MAX_HBQS) |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 679 | return NULL; |
| 680 | |
| 681 | list_for_each_entry(d_buf, &phba->hbqs[hbqno].hbq_buffer_list, list) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 682 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 683 | if (hbq_buf->tag == tag) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 684 | return hbq_buf; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 685 | } |
| 686 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 687 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_VPORT, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 688 | "1803 Bad hbq tag. Data: x%x x%x\n", |
| 689 | tag, lpfc_hbq_defs[tag >> 16]->buffer_count); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 690 | return NULL; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 691 | } |
| 692 | |
| 693 | void |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 694 | lpfc_sli_free_hbq(struct lpfc_hba *phba, struct hbq_dmabuf *hbq_buffer) |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 695 | { |
| 696 | uint32_t hbqno; |
| 697 | |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 698 | if (hbq_buffer) { |
| 699 | hbqno = hbq_buffer->tag >> 16; |
| 700 | if (!lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) { |
| 701 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); |
| 702 | } |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 703 | } |
| 704 | } |
| 705 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 706 | static int |
| 707 | lpfc_sli_chk_mbx_command(uint8_t mbxCommand) |
| 708 | { |
| 709 | uint8_t ret; |
| 710 | |
| 711 | switch (mbxCommand) { |
| 712 | case MBX_LOAD_SM: |
| 713 | case MBX_READ_NV: |
| 714 | case MBX_WRITE_NV: |
| 715 | case MBX_RUN_BIU_DIAG: |
| 716 | case MBX_INIT_LINK: |
| 717 | case MBX_DOWN_LINK: |
| 718 | case MBX_CONFIG_LINK: |
| 719 | case MBX_CONFIG_RING: |
| 720 | case MBX_RESET_RING: |
| 721 | case MBX_READ_CONFIG: |
| 722 | case MBX_READ_RCONFIG: |
| 723 | case MBX_READ_SPARM: |
| 724 | case MBX_READ_STATUS: |
| 725 | case MBX_READ_RPI: |
| 726 | case MBX_READ_XRI: |
| 727 | case MBX_READ_REV: |
| 728 | case MBX_READ_LNK_STAT: |
| 729 | case MBX_REG_LOGIN: |
| 730 | case MBX_UNREG_LOGIN: |
| 731 | case MBX_READ_LA: |
| 732 | case MBX_CLEAR_LA: |
| 733 | case MBX_DUMP_MEMORY: |
| 734 | case MBX_DUMP_CONTEXT: |
| 735 | case MBX_RUN_DIAGS: |
| 736 | case MBX_RESTART: |
| 737 | case MBX_UPDATE_CFG: |
| 738 | case MBX_DOWN_LOAD: |
| 739 | case MBX_DEL_LD_ENTRY: |
| 740 | case MBX_RUN_PROGRAM: |
| 741 | case MBX_SET_MASK: |
| 742 | case MBX_SET_SLIM: |
| 743 | case MBX_UNREG_D_ID: |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 744 | case MBX_KILL_BOARD: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 745 | case MBX_CONFIG_FARP: |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 746 | case MBX_BEACON: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 747 | case MBX_LOAD_AREA: |
| 748 | case MBX_RUN_BIU_DIAG64: |
| 749 | case MBX_CONFIG_PORT: |
| 750 | case MBX_READ_SPARM64: |
| 751 | case MBX_READ_RPI64: |
| 752 | case MBX_REG_LOGIN64: |
| 753 | case MBX_READ_LA64: |
| 754 | case MBX_FLASH_WR_ULA: |
| 755 | case MBX_SET_DEBUG: |
| 756 | case MBX_LOAD_EXP_ROM: |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 757 | case MBX_REG_VPI: |
| 758 | case MBX_UNREG_VPI: |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 759 | case MBX_HEARTBEAT: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 760 | ret = mbxCommand; |
| 761 | break; |
| 762 | default: |
| 763 | ret = MBX_SHUTDOWN; |
| 764 | break; |
| 765 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 766 | return ret; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 767 | } |
| 768 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 769 | lpfc_sli_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 770 | { |
| 771 | wait_queue_head_t *pdone_q; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 772 | unsigned long drvr_flag; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 773 | |
| 774 | /* |
| 775 | * If pdone_q is empty, the driver thread gave up waiting and |
| 776 | * continued running. |
| 777 | */ |
James Smart | 7054a60 | 2007-04-25 09:52:34 -0400 | [diff] [blame] | 778 | pmboxq->mbox_flag |= LPFC_MBX_WAKE; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 779 | spin_lock_irqsave(&phba->hbalock, drvr_flag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 780 | pdone_q = (wait_queue_head_t *) pmboxq->context1; |
| 781 | if (pdone_q) |
| 782 | wake_up_interruptible(pdone_q); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 783 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 784 | return; |
| 785 | } |
| 786 | |
| 787 | void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 788 | lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 789 | { |
| 790 | struct lpfc_dmabuf *mp; |
James Smart | 7054a60 | 2007-04-25 09:52:34 -0400 | [diff] [blame] | 791 | uint16_t rpi; |
| 792 | int rc; |
| 793 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 794 | mp = (struct lpfc_dmabuf *) (pmb->context1); |
James Smart | 7054a60 | 2007-04-25 09:52:34 -0400 | [diff] [blame] | 795 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 796 | if (mp) { |
| 797 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| 798 | kfree(mp); |
| 799 | } |
James Smart | 7054a60 | 2007-04-25 09:52:34 -0400 | [diff] [blame] | 800 | |
| 801 | /* |
| 802 | * If a REG_LOGIN succeeded after node is destroyed or node |
| 803 | * is in re-discovery driver need to cleanup the RPI. |
| 804 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 805 | if (!(phba->pport->load_flag & FC_UNLOADING) && |
| 806 | pmb->mb.mbxCommand == MBX_REG_LOGIN64 && |
| 807 | !pmb->mb.mbxStatus) { |
James Smart | 7054a60 | 2007-04-25 09:52:34 -0400 | [diff] [blame] | 808 | |
| 809 | rpi = pmb->mb.un.varWords[0]; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 810 | lpfc_unreg_login(phba, pmb->mb.un.varRegLogin.vpi, rpi, pmb); |
| 811 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
James Smart | 7054a60 | 2007-04-25 09:52:34 -0400 | [diff] [blame] | 812 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
| 813 | if (rc != MBX_NOT_FINISHED) |
| 814 | return; |
| 815 | } |
| 816 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 817 | mempool_free(pmb, phba->mbox_mem_pool); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 818 | return; |
| 819 | } |
| 820 | |
| 821 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 822 | lpfc_sli_handle_mb_event(struct lpfc_hba *phba) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 823 | { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 824 | MAILBOX_t *pmbox; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 825 | LPFC_MBOXQ_t *pmb; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 826 | int rc; |
| 827 | LIST_HEAD(cmplq); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 828 | |
| 829 | phba->sli.slistat.mbox_event++; |
| 830 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 831 | /* Get all completed mailboxe buffers into the cmplq */ |
| 832 | spin_lock_irq(&phba->hbalock); |
| 833 | list_splice_init(&phba->sli.mboxq_cmpl, &cmplq); |
| 834 | spin_unlock_irq(&phba->hbalock); |
| 835 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 836 | /* Get a Mailbox buffer to setup mailbox commands for callback */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 837 | do { |
| 838 | list_remove_head(&cmplq, pmb, LPFC_MBOXQ_t, list); |
| 839 | if (pmb == NULL) |
| 840 | break; |
| 841 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 842 | pmbox = &pmb->mb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 843 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 844 | if (pmbox->mbxCommand != MBX_HEARTBEAT) { |
| 845 | if (pmb->vport) { |
| 846 | lpfc_debugfs_disc_trc(pmb->vport, |
| 847 | LPFC_DISC_TRC_MBOX_VPORT, |
| 848 | "MBOX cmpl vport: cmd:x%x mb:x%x x%x", |
| 849 | (uint32_t)pmbox->mbxCommand, |
| 850 | pmbox->un.varWords[0], |
| 851 | pmbox->un.varWords[1]); |
| 852 | } |
| 853 | else { |
| 854 | lpfc_debugfs_disc_trc(phba->pport, |
| 855 | LPFC_DISC_TRC_MBOX, |
| 856 | "MBOX cmpl: cmd:x%x mb:x%x x%x", |
| 857 | (uint32_t)pmbox->mbxCommand, |
| 858 | pmbox->un.varWords[0], |
| 859 | pmbox->un.varWords[1]); |
| 860 | } |
| 861 | } |
| 862 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 863 | /* |
| 864 | * It is a fatal error if unknown mbox command completion. |
| 865 | */ |
| 866 | if (lpfc_sli_chk_mbx_command(pmbox->mbxCommand) == |
| 867 | MBX_SHUTDOWN) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 868 | /* Unknow mailbox command compl */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 869 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 870 | "(%d):0323 Unknown Mailbox command " |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 871 | "%x Cmpl\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 872 | pmb->vport ? pmb->vport->vpi : 0, |
| 873 | pmbox->mbxCommand); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 874 | phba->link_state = LPFC_HBA_ERROR; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 875 | phba->work_hs = HS_FFER3; |
| 876 | lpfc_handle_eratt(phba); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 877 | continue; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 878 | } |
| 879 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 880 | if (pmbox->mbxStatus) { |
| 881 | phba->sli.slistat.mbox_stat_err++; |
| 882 | if (pmbox->mbxStatus == MBXERR_NO_RESOURCES) { |
| 883 | /* Mbox cmd cmpl error - RETRYing */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 884 | lpfc_printf_log(phba, KERN_INFO, |
| 885 | LOG_MBOX | LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 886 | "(%d):0305 Mbox cmd cmpl " |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 887 | "error - RETRYing Data: x%x " |
| 888 | "x%x x%x x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 889 | pmb->vport ? pmb->vport->vpi :0, |
| 890 | pmbox->mbxCommand, |
| 891 | pmbox->mbxStatus, |
| 892 | pmbox->un.varWords[0], |
| 893 | pmb->vport->port_state); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 894 | pmbox->mbxStatus = 0; |
| 895 | pmbox->mbxOwner = OWN_HOST; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 896 | spin_lock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 897 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 898 | spin_unlock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 899 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
| 900 | if (rc == MBX_SUCCESS) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 901 | continue; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 902 | } |
| 903 | } |
| 904 | |
| 905 | /* Mailbox cmd <cmd> Cmpl <cmpl> */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 906 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 907 | "(%d):0307 Mailbox cmd x%x Cmpl x%p " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 908 | "Data: x%x x%x 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] | 909 | pmb->vport ? pmb->vport->vpi : 0, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 910 | pmbox->mbxCommand, |
| 911 | pmb->mbox_cmpl, |
| 912 | *((uint32_t *) pmbox), |
| 913 | pmbox->un.varWords[0], |
| 914 | pmbox->un.varWords[1], |
| 915 | pmbox->un.varWords[2], |
| 916 | pmbox->un.varWords[3], |
| 917 | pmbox->un.varWords[4], |
| 918 | pmbox->un.varWords[5], |
| 919 | pmbox->un.varWords[6], |
| 920 | pmbox->un.varWords[7]); |
| 921 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 922 | if (pmb->mbox_cmpl) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 923 | pmb->mbox_cmpl(phba,pmb); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 924 | } while (1); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 925 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 926 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 927 | |
| 928 | static struct lpfc_dmabuf * |
| 929 | lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag) |
| 930 | { |
| 931 | struct hbq_dmabuf *hbq_entry, *new_hbq_entry; |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 932 | uint32_t hbqno; |
| 933 | void *virt; /* virtual address ptr */ |
| 934 | dma_addr_t phys; /* mapped address */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 935 | |
| 936 | hbq_entry = lpfc_sli_hbqbuf_find(phba, tag); |
| 937 | if (hbq_entry == NULL) |
| 938 | return NULL; |
| 939 | list_del(&hbq_entry->dbuf.list); |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 940 | |
| 941 | hbqno = tag >> 16; |
| 942 | new_hbq_entry = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 943 | if (new_hbq_entry == NULL) |
| 944 | return &hbq_entry->dbuf; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 945 | new_hbq_entry->tag = -1; |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 946 | phys = new_hbq_entry->dbuf.phys; |
| 947 | virt = new_hbq_entry->dbuf.virt; |
| 948 | new_hbq_entry->dbuf.phys = hbq_entry->dbuf.phys; |
| 949 | new_hbq_entry->dbuf.virt = hbq_entry->dbuf.virt; |
| 950 | hbq_entry->dbuf.phys = phys; |
| 951 | hbq_entry->dbuf.virt = virt; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 952 | lpfc_sli_free_hbq(phba, hbq_entry); |
| 953 | return &new_hbq_entry->dbuf; |
| 954 | } |
| 955 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 956 | static int |
| 957 | lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 958 | struct lpfc_iocbq *saveq) |
| 959 | { |
| 960 | IOCB_t * irsp; |
| 961 | WORD5 * w5p; |
| 962 | uint32_t Rctl, Type; |
| 963 | uint32_t match, i; |
| 964 | |
| 965 | match = 0; |
| 966 | irsp = &(saveq->iocb); |
| 967 | if ((irsp->ulpCommand == CMD_RCV_ELS_REQ64_CX) |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 968 | || (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX) |
| 969 | || (irsp->ulpCommand == CMD_IOCB_RCV_ELS64_CX) |
| 970 | || (irsp->ulpCommand == CMD_IOCB_RCV_CONT64_CX)) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 971 | Rctl = FC_ELS_REQ; |
| 972 | Type = FC_ELS_DATA; |
| 973 | } else { |
| 974 | w5p = |
| 975 | (WORD5 *) & (saveq->iocb.un. |
| 976 | ulpWord[5]); |
| 977 | Rctl = w5p->hcsw.Rctl; |
| 978 | Type = w5p->hcsw.Type; |
| 979 | |
| 980 | /* Firmware Workaround */ |
| 981 | if ((Rctl == 0) && (pring->ringno == LPFC_ELS_RING) && |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 982 | (irsp->ulpCommand == CMD_RCV_SEQUENCE64_CX || |
| 983 | irsp->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 984 | Rctl = FC_ELS_REQ; |
| 985 | Type = FC_ELS_DATA; |
| 986 | w5p->hcsw.Rctl = Rctl; |
| 987 | w5p->hcsw.Type = Type; |
| 988 | } |
| 989 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 990 | |
| 991 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
| 992 | if (irsp->ulpBdeCount != 0) |
| 993 | saveq->context2 = lpfc_sli_replace_hbqbuff(phba, |
| 994 | irsp->un.ulpWord[3]); |
| 995 | if (irsp->ulpBdeCount == 2) |
| 996 | saveq->context3 = lpfc_sli_replace_hbqbuff(phba, |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 997 | irsp->unsli3.sli3Words[7]); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 998 | } |
| 999 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1000 | /* unSolicited Responses */ |
| 1001 | if (pring->prt[0].profile) { |
Jamie Wellnitz | cf5bf97 | 2006-02-28 22:33:08 -0500 | [diff] [blame] | 1002 | if (pring->prt[0].lpfc_sli_rcv_unsol_event) |
| 1003 | (pring->prt[0].lpfc_sli_rcv_unsol_event) (phba, pring, |
| 1004 | saveq); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1005 | match = 1; |
| 1006 | } else { |
| 1007 | /* We must search, based on rctl / type |
| 1008 | for the right routine */ |
| 1009 | for (i = 0; i < pring->num_mask; |
| 1010 | i++) { |
| 1011 | if ((pring->prt[i].rctl == |
| 1012 | Rctl) |
| 1013 | && (pring->prt[i]. |
| 1014 | type == Type)) { |
Jamie Wellnitz | cf5bf97 | 2006-02-28 22:33:08 -0500 | [diff] [blame] | 1015 | if (pring->prt[i].lpfc_sli_rcv_unsol_event) |
| 1016 | (pring->prt[i].lpfc_sli_rcv_unsol_event) |
| 1017 | (phba, pring, saveq); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1018 | match = 1; |
| 1019 | break; |
| 1020 | } |
| 1021 | } |
| 1022 | } |
| 1023 | if (match == 0) { |
| 1024 | /* Unexpected Rctl / Type received */ |
| 1025 | /* Ring <ringno> handler: unexpected |
| 1026 | Rctl <Rctl> Type <Type> received */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1027 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1028 | "0313 Ring %d handler: unexpected Rctl x%x " |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1029 | "Type x%x received\n", |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1030 | pring->ringno, Rctl, Type); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1031 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1032 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1033 | } |
| 1034 | |
| 1035 | static struct lpfc_iocbq * |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1036 | lpfc_sli_iocbq_lookup(struct lpfc_hba *phba, |
| 1037 | struct lpfc_sli_ring *pring, |
| 1038 | struct lpfc_iocbq *prspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1039 | { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1040 | struct lpfc_iocbq *cmd_iocb = NULL; |
| 1041 | uint16_t iotag; |
| 1042 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1043 | iotag = prspiocb->iocb.ulpIoTag; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1044 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1045 | if (iotag != 0 && iotag <= phba->sli.last_iotag) { |
| 1046 | cmd_iocb = phba->sli.iocbq_lookup[iotag]; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1047 | list_del_init(&cmd_iocb->list); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1048 | pring->txcmplq_cnt--; |
| 1049 | return cmd_iocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1050 | } |
| 1051 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1052 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1053 | "0317 iotag x%x is out off " |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1054 | "range: max iotag x%x wd0 x%x\n", |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1055 | iotag, phba->sli.last_iotag, |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1056 | *(((uint32_t *) &prspiocb->iocb) + 7)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1057 | return NULL; |
| 1058 | } |
| 1059 | |
| 1060 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1061 | lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1062 | struct lpfc_iocbq *saveq) |
| 1063 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1064 | struct lpfc_iocbq *cmdiocbp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1065 | int rc = 1; |
| 1066 | unsigned long iflag; |
| 1067 | |
| 1068 | /* Based on the iotag field, get the cmd IOCB from the txcmplq */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1069 | spin_lock_irqsave(&phba->hbalock, iflag); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1070 | cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, saveq); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1071 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
| 1072 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1073 | if (cmdiocbp) { |
| 1074 | if (cmdiocbp->iocb_cmpl) { |
| 1075 | /* |
| 1076 | * Post all ELS completions to the worker thread. |
| 1077 | * All other are passed to the completion callback. |
| 1078 | */ |
| 1079 | if (pring->ringno == LPFC_ELS_RING) { |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame] | 1080 | if (cmdiocbp->iocb_flag & LPFC_DRIVER_ABORTED) { |
| 1081 | cmdiocbp->iocb_flag &= |
| 1082 | ~LPFC_DRIVER_ABORTED; |
| 1083 | saveq->iocb.ulpStatus = |
| 1084 | IOSTAT_LOCAL_REJECT; |
| 1085 | saveq->iocb.un.ulpWord[4] = |
| 1086 | IOERR_SLI_ABORTED; |
| 1087 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1088 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1089 | (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1090 | } else |
| 1091 | lpfc_sli_release_iocbq(phba, cmdiocbp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1092 | } else { |
| 1093 | /* |
| 1094 | * Unknown initiating command based on the response iotag. |
| 1095 | * This could be the case on the ELS ring because of |
| 1096 | * lpfc_els_abort(). |
| 1097 | */ |
| 1098 | if (pring->ringno != LPFC_ELS_RING) { |
| 1099 | /* |
| 1100 | * Ring <ringno> handler: unexpected completion IoTag |
| 1101 | * <IoTag> |
| 1102 | */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1103 | lpfc_printf_vlog(cmdiocbp->vport, KERN_WARNING, LOG_SLI, |
| 1104 | "0322 Ring %d handler: " |
| 1105 | "unexpected completion IoTag x%x " |
| 1106 | "Data: x%x x%x x%x x%x\n", |
| 1107 | pring->ringno, |
| 1108 | saveq->iocb.ulpIoTag, |
| 1109 | saveq->iocb.ulpStatus, |
| 1110 | saveq->iocb.un.ulpWord[4], |
| 1111 | saveq->iocb.ulpCommand, |
| 1112 | saveq->iocb.ulpContext); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1113 | } |
| 1114 | } |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 1115 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1116 | return rc; |
| 1117 | } |
| 1118 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1119 | static void |
| 1120 | lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1121 | { |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1122 | struct lpfc_pgp *pgp = (phba->sli_rev == 3) ? |
| 1123 | &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : |
| 1124 | &phba->slim2p->mbx.us.s2.port[pring->ringno]; |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1125 | /* |
| 1126 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger then |
| 1127 | * rsp ring <portRspMax> |
| 1128 | */ |
| 1129 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1130 | "0312 Ring %d handler: portRspPut %d " |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1131 | "is bigger then rsp ring %d\n", |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1132 | pring->ringno, le32_to_cpu(pgp->rspPutInx), |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1133 | pring->numRiocb); |
| 1134 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1135 | phba->link_state = LPFC_HBA_ERROR; |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1136 | |
| 1137 | /* |
| 1138 | * All error attention handlers are posted to |
| 1139 | * worker thread |
| 1140 | */ |
| 1141 | phba->work_ha |= HA_ERATT; |
| 1142 | phba->work_hs = HS_FFER3; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1143 | |
| 1144 | /* hbalock should already be held */ |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1145 | if (phba->work_wait) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1146 | lpfc_worker_wake_up(phba); |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1147 | |
| 1148 | return; |
| 1149 | } |
| 1150 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1151 | void lpfc_sli_poll_fcp_ring(struct lpfc_hba *phba) |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1152 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1153 | struct lpfc_sli *psli = &phba->sli; |
| 1154 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_FCP_RING]; |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1155 | IOCB_t *irsp = NULL; |
| 1156 | IOCB_t *entry = NULL; |
| 1157 | struct lpfc_iocbq *cmdiocbq = NULL; |
| 1158 | struct lpfc_iocbq rspiocbq; |
| 1159 | struct lpfc_pgp *pgp; |
| 1160 | uint32_t status; |
| 1161 | uint32_t portRspPut, portRspMax; |
| 1162 | int type; |
| 1163 | uint32_t rsp_cmpl = 0; |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1164 | uint32_t ha_copy; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1165 | unsigned long iflags; |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1166 | |
| 1167 | pring->stats.iocb_event++; |
| 1168 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1169 | pgp = (phba->sli_rev == 3) ? |
| 1170 | &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : |
| 1171 | &phba->slim2p->mbx.us.s2.port[pring->ringno]; |
| 1172 | |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1173 | |
| 1174 | /* |
| 1175 | * The next available response entry should never exceed the maximum |
| 1176 | * entries. If it does, treat it as an adapter hardware error. |
| 1177 | */ |
| 1178 | portRspMax = pring->numRiocb; |
| 1179 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
| 1180 | if (unlikely(portRspPut >= portRspMax)) { |
| 1181 | lpfc_sli_rsp_pointers_error(phba, pring); |
| 1182 | return; |
| 1183 | } |
| 1184 | |
| 1185 | rmb(); |
| 1186 | while (pring->rspidx != portRspPut) { |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1187 | entry = lpfc_resp_iocb(phba, pring); |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1188 | if (++pring->rspidx >= portRspMax) |
| 1189 | pring->rspidx = 0; |
| 1190 | |
| 1191 | lpfc_sli_pcimem_bcopy((uint32_t *) entry, |
| 1192 | (uint32_t *) &rspiocbq.iocb, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1193 | phba->iocb_rsp_size); |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1194 | irsp = &rspiocbq.iocb; |
| 1195 | type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK); |
| 1196 | pring->stats.iocb_rsp++; |
| 1197 | rsp_cmpl++; |
| 1198 | |
| 1199 | if (unlikely(irsp->ulpStatus)) { |
| 1200 | /* Rsp ring <ringno> error: IOCB */ |
| 1201 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1202 | "0326 Rsp Ring %d error: IOCB Data: " |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1203 | "x%x x%x x%x x%x x%x x%x x%x x%x\n", |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1204 | pring->ringno, |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1205 | irsp->un.ulpWord[0], |
| 1206 | irsp->un.ulpWord[1], |
| 1207 | irsp->un.ulpWord[2], |
| 1208 | irsp->un.ulpWord[3], |
| 1209 | irsp->un.ulpWord[4], |
| 1210 | irsp->un.ulpWord[5], |
| 1211 | *(((uint32_t *) irsp) + 6), |
| 1212 | *(((uint32_t *) irsp) + 7)); |
| 1213 | } |
| 1214 | |
| 1215 | switch (type) { |
| 1216 | case LPFC_ABORT_IOCB: |
| 1217 | case LPFC_SOL_IOCB: |
| 1218 | /* |
| 1219 | * Idle exchange closed via ABTS from port. No iocb |
| 1220 | * resources need to be recovered. |
| 1221 | */ |
| 1222 | if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) { |
James Smart | dca9479 | 2006-08-01 07:34:08 -0400 | [diff] [blame] | 1223 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1224 | "0314 IOCB cmd 0x%x " |
| 1225 | "processed. Skipping " |
| 1226 | "completion", |
James Smart | dca9479 | 2006-08-01 07:34:08 -0400 | [diff] [blame] | 1227 | irsp->ulpCommand); |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1228 | break; |
| 1229 | } |
| 1230 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1231 | spin_lock_irqsave(&phba->hbalock, iflags); |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1232 | cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring, |
| 1233 | &rspiocbq); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1234 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1235 | if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) { |
| 1236 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, |
| 1237 | &rspiocbq); |
| 1238 | } |
| 1239 | break; |
| 1240 | default: |
| 1241 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { |
| 1242 | char adaptermsg[LPFC_MAX_ADPTMSG]; |
| 1243 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); |
| 1244 | memcpy(&adaptermsg[0], (uint8_t *) irsp, |
| 1245 | MAX_MSG_DATA); |
Joe Perches | 898eb71 | 2007-10-18 03:06:30 -0700 | [diff] [blame^] | 1246 | dev_warn(&((phba->pcidev)->dev), |
| 1247 | "lpfc%d: %s\n", |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1248 | phba->brd_no, adaptermsg); |
| 1249 | } else { |
| 1250 | /* Unknown IOCB command */ |
| 1251 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1252 | "0321 Unknown IOCB command " |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1253 | "Data: x%x, x%x x%x x%x x%x\n", |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1254 | type, irsp->ulpCommand, |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1255 | irsp->ulpStatus, |
| 1256 | irsp->ulpIoTag, |
| 1257 | irsp->ulpContext); |
| 1258 | } |
| 1259 | break; |
| 1260 | } |
| 1261 | |
| 1262 | /* |
| 1263 | * The response IOCB has been processed. Update the ring |
| 1264 | * pointer in SLIM. If the port response put pointer has not |
| 1265 | * been updated, sync the pgp->rspPutInx and fetch the new port |
| 1266 | * response put pointer. |
| 1267 | */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1268 | writel(pring->rspidx, &phba->host_gp[pring->ringno].rspGetInx); |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1269 | |
| 1270 | if (pring->rspidx == portRspPut) |
| 1271 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
| 1272 | } |
| 1273 | |
| 1274 | ha_copy = readl(phba->HAregaddr); |
| 1275 | ha_copy >>= (LPFC_FCP_RING * 4); |
| 1276 | |
| 1277 | if ((rsp_cmpl > 0) && (ha_copy & HA_R0RE_REQ)) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1278 | spin_lock_irqsave(&phba->hbalock, iflags); |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1279 | pring->stats.iocb_rsp_full++; |
| 1280 | status = ((CA_R0ATT | CA_R0RE_RSP) << (LPFC_FCP_RING * 4)); |
| 1281 | writel(status, phba->CAregaddr); |
| 1282 | readl(phba->CAregaddr); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1283 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1284 | } |
| 1285 | if ((ha_copy & HA_R0CE_RSP) && |
| 1286 | (pring->flag & LPFC_CALL_RING_AVAILABLE)) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1287 | spin_lock_irqsave(&phba->hbalock, iflags); |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1288 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; |
| 1289 | pring->stats.iocb_cmd_empty++; |
| 1290 | |
| 1291 | /* Force update of the local copy of cmdGetInx */ |
| 1292 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); |
| 1293 | lpfc_sli_resume_iocb(phba, pring); |
| 1294 | |
| 1295 | if ((pring->lpfc_sli_cmd_available)) |
| 1296 | (pring->lpfc_sli_cmd_available) (phba, pring); |
| 1297 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1298 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1299 | } |
| 1300 | |
| 1301 | return; |
| 1302 | } |
| 1303 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1304 | /* |
| 1305 | * This routine presumes LPFC_FCP_RING handling and doesn't bother |
| 1306 | * to check it explicitly. |
| 1307 | */ |
| 1308 | static int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1309 | lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba, |
| 1310 | struct lpfc_sli_ring *pring, uint32_t mask) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1311 | { |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1312 | struct lpfc_pgp *pgp = (phba->sli_rev == 3) ? |
| 1313 | &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : |
| 1314 | &phba->slim2p->mbx.us.s2.port[pring->ringno]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1315 | IOCB_t *irsp = NULL; |
James.Smart@Emulex.Com | 87f6eaf | 2005-06-25 10:34:13 -0400 | [diff] [blame] | 1316 | IOCB_t *entry = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1317 | struct lpfc_iocbq *cmdiocbq = NULL; |
| 1318 | struct lpfc_iocbq rspiocbq; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1319 | uint32_t status; |
| 1320 | uint32_t portRspPut, portRspMax; |
| 1321 | int rc = 1; |
| 1322 | lpfc_iocb_type type; |
| 1323 | unsigned long iflag; |
| 1324 | uint32_t rsp_cmpl = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1325 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1326 | spin_lock_irqsave(&phba->hbalock, iflag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1327 | pring->stats.iocb_event++; |
| 1328 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1329 | /* |
| 1330 | * The next available response entry should never exceed the maximum |
| 1331 | * entries. If it does, treat it as an adapter hardware error. |
| 1332 | */ |
| 1333 | portRspMax = pring->numRiocb; |
| 1334 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
| 1335 | if (unlikely(portRspPut >= portRspMax)) { |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1336 | lpfc_sli_rsp_pointers_error(phba, pring); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1337 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1338 | return 1; |
| 1339 | } |
| 1340 | |
| 1341 | rmb(); |
| 1342 | while (pring->rspidx != portRspPut) { |
James.Smart@Emulex.Com | 87f6eaf | 2005-06-25 10:34:13 -0400 | [diff] [blame] | 1343 | /* |
| 1344 | * Fetch an entry off the ring and copy it into a local data |
| 1345 | * structure. The copy involves a byte-swap since the |
| 1346 | * network byte order and pci byte orders are different. |
| 1347 | */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1348 | entry = lpfc_resp_iocb(phba, pring); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 1349 | phba->last_completion_time = jiffies; |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 1350 | |
| 1351 | if (++pring->rspidx >= portRspMax) |
| 1352 | pring->rspidx = 0; |
| 1353 | |
James.Smart@Emulex.Com | 87f6eaf | 2005-06-25 10:34:13 -0400 | [diff] [blame] | 1354 | lpfc_sli_pcimem_bcopy((uint32_t *) entry, |
| 1355 | (uint32_t *) &rspiocbq.iocb, |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1356 | phba->iocb_rsp_size); |
James Smart | a4bc337 | 2006-12-02 13:34:16 -0500 | [diff] [blame] | 1357 | INIT_LIST_HEAD(&(rspiocbq.list)); |
James.Smart@Emulex.Com | 87f6eaf | 2005-06-25 10:34:13 -0400 | [diff] [blame] | 1358 | irsp = &rspiocbq.iocb; |
| 1359 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1360 | type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK); |
| 1361 | pring->stats.iocb_rsp++; |
| 1362 | rsp_cmpl++; |
| 1363 | |
| 1364 | if (unlikely(irsp->ulpStatus)) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1365 | /* |
| 1366 | * If resource errors reported from HBA, reduce |
| 1367 | * queuedepths of the SCSI device. |
| 1368 | */ |
| 1369 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && |
| 1370 | (irsp->un.ulpWord[4] == IOERR_NO_RESOURCES)) { |
| 1371 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
| 1372 | lpfc_adjust_queue_depth(phba); |
| 1373 | spin_lock_irqsave(&phba->hbalock, iflag); |
| 1374 | } |
| 1375 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1376 | /* Rsp ring <ringno> error: IOCB */ |
| 1377 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1378 | "0336 Rsp Ring %d error: IOCB Data: " |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1379 | "x%x x%x x%x x%x x%x x%x x%x x%x\n", |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1380 | pring->ringno, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1381 | irsp->un.ulpWord[0], |
| 1382 | irsp->un.ulpWord[1], |
| 1383 | irsp->un.ulpWord[2], |
| 1384 | irsp->un.ulpWord[3], |
| 1385 | irsp->un.ulpWord[4], |
| 1386 | irsp->un.ulpWord[5], |
| 1387 | *(((uint32_t *) irsp) + 6), |
| 1388 | *(((uint32_t *) irsp) + 7)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1389 | } |
| 1390 | |
| 1391 | switch (type) { |
| 1392 | case LPFC_ABORT_IOCB: |
| 1393 | case LPFC_SOL_IOCB: |
| 1394 | /* |
| 1395 | * Idle exchange closed via ABTS from port. No iocb |
| 1396 | * resources need to be recovered. |
| 1397 | */ |
| 1398 | if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) { |
James Smart | dca9479 | 2006-08-01 07:34:08 -0400 | [diff] [blame] | 1399 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1400 | "0333 IOCB cmd 0x%x" |
James Smart | dca9479 | 2006-08-01 07:34:08 -0400 | [diff] [blame] | 1401 | " processed. Skipping" |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1402 | " completion\n", |
James Smart | dca9479 | 2006-08-01 07:34:08 -0400 | [diff] [blame] | 1403 | irsp->ulpCommand); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1404 | break; |
| 1405 | } |
| 1406 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1407 | cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring, |
| 1408 | &rspiocbq); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1409 | if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) { |
Jamie Wellnitz | b808608 | 2006-02-28 22:33:12 -0500 | [diff] [blame] | 1410 | if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) { |
| 1411 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, |
| 1412 | &rspiocbq); |
| 1413 | } else { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1414 | spin_unlock_irqrestore(&phba->hbalock, |
| 1415 | iflag); |
Jamie Wellnitz | b808608 | 2006-02-28 22:33:12 -0500 | [diff] [blame] | 1416 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, |
| 1417 | &rspiocbq); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1418 | spin_lock_irqsave(&phba->hbalock, |
Jamie Wellnitz | b808608 | 2006-02-28 22:33:12 -0500 | [diff] [blame] | 1419 | iflag); |
| 1420 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1421 | } |
| 1422 | break; |
James Smart | a4bc337 | 2006-12-02 13:34:16 -0500 | [diff] [blame] | 1423 | case LPFC_UNSOL_IOCB: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1424 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
James Smart | a4bc337 | 2006-12-02 13:34:16 -0500 | [diff] [blame] | 1425 | lpfc_sli_process_unsol_iocb(phba, pring, &rspiocbq); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1426 | spin_lock_irqsave(&phba->hbalock, iflag); |
James Smart | a4bc337 | 2006-12-02 13:34:16 -0500 | [diff] [blame] | 1427 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1428 | default: |
| 1429 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { |
| 1430 | char adaptermsg[LPFC_MAX_ADPTMSG]; |
| 1431 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); |
| 1432 | memcpy(&adaptermsg[0], (uint8_t *) irsp, |
| 1433 | MAX_MSG_DATA); |
Joe Perches | 898eb71 | 2007-10-18 03:06:30 -0700 | [diff] [blame^] | 1434 | dev_warn(&((phba->pcidev)->dev), |
| 1435 | "lpfc%d: %s\n", |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1436 | phba->brd_no, adaptermsg); |
| 1437 | } else { |
| 1438 | /* Unknown IOCB command */ |
| 1439 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1440 | "0334 Unknown IOCB command " |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1441 | "Data: x%x, x%x x%x x%x x%x\n", |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1442 | type, irsp->ulpCommand, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1443 | irsp->ulpStatus, |
| 1444 | irsp->ulpIoTag, |
| 1445 | irsp->ulpContext); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1446 | } |
| 1447 | break; |
| 1448 | } |
| 1449 | |
| 1450 | /* |
| 1451 | * The response IOCB has been processed. Update the ring |
| 1452 | * pointer in SLIM. If the port response put pointer has not |
| 1453 | * been updated, sync the pgp->rspPutInx and fetch the new port |
| 1454 | * response put pointer. |
| 1455 | */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1456 | writel(pring->rspidx, &phba->host_gp[pring->ringno].rspGetInx); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1457 | |
| 1458 | if (pring->rspidx == portRspPut) |
| 1459 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
| 1460 | } |
| 1461 | |
| 1462 | if ((rsp_cmpl > 0) && (mask & HA_R0RE_REQ)) { |
| 1463 | pring->stats.iocb_rsp_full++; |
| 1464 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); |
| 1465 | writel(status, phba->CAregaddr); |
| 1466 | readl(phba->CAregaddr); |
| 1467 | } |
| 1468 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { |
| 1469 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; |
| 1470 | pring->stats.iocb_cmd_empty++; |
| 1471 | |
| 1472 | /* Force update of the local copy of cmdGetInx */ |
| 1473 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); |
| 1474 | lpfc_sli_resume_iocb(phba, pring); |
| 1475 | |
| 1476 | if ((pring->lpfc_sli_cmd_available)) |
| 1477 | (pring->lpfc_sli_cmd_available) (phba, pring); |
| 1478 | |
| 1479 | } |
| 1480 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1481 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1482 | return rc; |
| 1483 | } |
| 1484 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1485 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1486 | lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba, |
| 1487 | struct lpfc_sli_ring *pring, uint32_t mask) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1488 | { |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1489 | struct lpfc_pgp *pgp = (phba->sli_rev == 3) ? |
| 1490 | &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : |
| 1491 | &phba->slim2p->mbx.us.s2.port[pring->ringno]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1492 | IOCB_t *entry; |
| 1493 | IOCB_t *irsp = NULL; |
| 1494 | struct lpfc_iocbq *rspiocbp = NULL; |
| 1495 | struct lpfc_iocbq *next_iocb; |
| 1496 | struct lpfc_iocbq *cmdiocbp; |
| 1497 | struct lpfc_iocbq *saveq; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1498 | uint8_t iocb_cmd_type; |
| 1499 | lpfc_iocb_type type; |
| 1500 | uint32_t status, free_saveq; |
| 1501 | uint32_t portRspPut, portRspMax; |
| 1502 | int rc = 1; |
| 1503 | unsigned long iflag; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1504 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1505 | spin_lock_irqsave(&phba->hbalock, iflag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1506 | pring->stats.iocb_event++; |
| 1507 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1508 | /* |
| 1509 | * The next available response entry should never exceed the maximum |
| 1510 | * entries. If it does, treat it as an adapter hardware error. |
| 1511 | */ |
| 1512 | portRspMax = pring->numRiocb; |
| 1513 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
| 1514 | if (portRspPut >= portRspMax) { |
| 1515 | /* |
| 1516 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger then |
| 1517 | * rsp ring <portRspMax> |
| 1518 | */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1519 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1520 | "0303 Ring %d handler: portRspPut %d " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1521 | "is bigger then rsp ring %d\n", |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1522 | pring->ringno, portRspPut, portRspMax); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1523 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1524 | phba->link_state = LPFC_HBA_ERROR; |
| 1525 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1526 | |
| 1527 | phba->work_hs = HS_FFER3; |
| 1528 | lpfc_handle_eratt(phba); |
| 1529 | |
| 1530 | return 1; |
| 1531 | } |
| 1532 | |
| 1533 | rmb(); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1534 | while (pring->rspidx != portRspPut) { |
| 1535 | /* |
| 1536 | * Build a completion list and call the appropriate handler. |
| 1537 | * The process is to get the next available response iocb, get |
| 1538 | * a free iocb from the list, copy the response data into the |
| 1539 | * free iocb, insert to the continuation list, and update the |
| 1540 | * next response index to slim. This process makes response |
| 1541 | * iocb's in the ring available to DMA as fast as possible but |
| 1542 | * pays a penalty for a copy operation. Since the iocb is |
| 1543 | * only 32 bytes, this penalty is considered small relative to |
| 1544 | * the PCI reads for register values and a slim write. When |
| 1545 | * the ulpLe field is set, the entire Command has been |
| 1546 | * received. |
| 1547 | */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1548 | entry = lpfc_resp_iocb(phba, pring); |
| 1549 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 1550 | phba->last_completion_time = jiffies; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1551 | rspiocbp = __lpfc_sli_get_iocbq(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1552 | if (rspiocbp == NULL) { |
| 1553 | printk(KERN_ERR "%s: out of buffers! Failing " |
| 1554 | "completion.\n", __FUNCTION__); |
| 1555 | break; |
| 1556 | } |
| 1557 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1558 | lpfc_sli_pcimem_bcopy(entry, &rspiocbp->iocb, |
| 1559 | phba->iocb_rsp_size); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1560 | irsp = &rspiocbp->iocb; |
| 1561 | |
| 1562 | if (++pring->rspidx >= portRspMax) |
| 1563 | pring->rspidx = 0; |
| 1564 | |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 1565 | if (pring->ringno == LPFC_ELS_RING) { |
| 1566 | lpfc_debugfs_slow_ring_trc(phba, |
| 1567 | "IOCB rsp ring: wd4:x%08x wd6:x%08x wd7:x%08x", |
| 1568 | *(((uint32_t *) irsp) + 4), |
| 1569 | *(((uint32_t *) irsp) + 6), |
| 1570 | *(((uint32_t *) irsp) + 7)); |
| 1571 | } |
| 1572 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1573 | writel(pring->rspidx, &phba->host_gp[pring->ringno].rspGetInx); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1574 | |
| 1575 | if (list_empty(&(pring->iocb_continueq))) { |
| 1576 | list_add(&rspiocbp->list, &(pring->iocb_continueq)); |
| 1577 | } else { |
| 1578 | list_add_tail(&rspiocbp->list, |
| 1579 | &(pring->iocb_continueq)); |
| 1580 | } |
| 1581 | |
| 1582 | pring->iocb_continueq_cnt++; |
| 1583 | if (irsp->ulpLe) { |
| 1584 | /* |
| 1585 | * By default, the driver expects to free all resources |
| 1586 | * associated with this iocb completion. |
| 1587 | */ |
| 1588 | free_saveq = 1; |
| 1589 | saveq = list_get_first(&pring->iocb_continueq, |
| 1590 | struct lpfc_iocbq, list); |
| 1591 | irsp = &(saveq->iocb); |
| 1592 | list_del_init(&pring->iocb_continueq); |
| 1593 | pring->iocb_continueq_cnt = 0; |
| 1594 | |
| 1595 | pring->stats.iocb_rsp++; |
| 1596 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1597 | /* |
| 1598 | * If resource errors reported from HBA, reduce |
| 1599 | * queuedepths of the SCSI device. |
| 1600 | */ |
| 1601 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && |
| 1602 | (irsp->un.ulpWord[4] == IOERR_NO_RESOURCES)) { |
| 1603 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
| 1604 | lpfc_adjust_queue_depth(phba); |
| 1605 | spin_lock_irqsave(&phba->hbalock, iflag); |
| 1606 | } |
| 1607 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1608 | if (irsp->ulpStatus) { |
| 1609 | /* Rsp ring <ringno> error: IOCB */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1610 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1611 | "0328 Rsp Ring %d error: " |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1612 | "IOCB Data: " |
| 1613 | "x%x x%x x%x x%x " |
| 1614 | "x%x x%x x%x x%x " |
| 1615 | "x%x x%x x%x x%x " |
| 1616 | "x%x x%x x%x x%x\n", |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1617 | pring->ringno, |
| 1618 | irsp->un.ulpWord[0], |
| 1619 | irsp->un.ulpWord[1], |
| 1620 | irsp->un.ulpWord[2], |
| 1621 | irsp->un.ulpWord[3], |
| 1622 | irsp->un.ulpWord[4], |
| 1623 | irsp->un.ulpWord[5], |
| 1624 | *(((uint32_t *) irsp) + 6), |
| 1625 | *(((uint32_t *) irsp) + 7), |
| 1626 | *(((uint32_t *) irsp) + 8), |
| 1627 | *(((uint32_t *) irsp) + 9), |
| 1628 | *(((uint32_t *) irsp) + 10), |
| 1629 | *(((uint32_t *) irsp) + 11), |
| 1630 | *(((uint32_t *) irsp) + 12), |
| 1631 | *(((uint32_t *) irsp) + 13), |
| 1632 | *(((uint32_t *) irsp) + 14), |
| 1633 | *(((uint32_t *) irsp) + 15)); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1634 | } |
| 1635 | |
| 1636 | /* |
| 1637 | * Fetch the IOCB command type and call the correct |
| 1638 | * completion routine. Solicited and Unsolicited |
| 1639 | * IOCBs on the ELS ring get freed back to the |
| 1640 | * lpfc_iocb_list by the discovery kernel thread. |
| 1641 | */ |
| 1642 | iocb_cmd_type = irsp->ulpCommand & CMD_IOCB_MASK; |
| 1643 | type = lpfc_sli_iocb_cmd_type(iocb_cmd_type); |
| 1644 | if (type == LPFC_SOL_IOCB) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1645 | spin_unlock_irqrestore(&phba->hbalock, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1646 | iflag); |
| 1647 | rc = lpfc_sli_process_sol_iocb(phba, pring, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1648 | saveq); |
| 1649 | spin_lock_irqsave(&phba->hbalock, iflag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1650 | } else if (type == LPFC_UNSOL_IOCB) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1651 | spin_unlock_irqrestore(&phba->hbalock, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1652 | iflag); |
| 1653 | rc = lpfc_sli_process_unsol_iocb(phba, pring, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1654 | saveq); |
| 1655 | spin_lock_irqsave(&phba->hbalock, iflag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1656 | } else if (type == LPFC_ABORT_IOCB) { |
| 1657 | if ((irsp->ulpCommand != CMD_XRI_ABORTED_CX) && |
| 1658 | ((cmdiocbp = |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1659 | lpfc_sli_iocbq_lookup(phba, pring, |
| 1660 | saveq)))) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1661 | /* Call the specified completion |
| 1662 | routine */ |
| 1663 | if (cmdiocbp->iocb_cmpl) { |
| 1664 | spin_unlock_irqrestore( |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1665 | &phba->hbalock, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1666 | iflag); |
| 1667 | (cmdiocbp->iocb_cmpl) (phba, |
| 1668 | cmdiocbp, saveq); |
| 1669 | spin_lock_irqsave( |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1670 | &phba->hbalock, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1671 | iflag); |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1672 | } else |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1673 | __lpfc_sli_release_iocbq(phba, |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 1674 | cmdiocbp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1675 | } |
| 1676 | } else if (type == LPFC_UNKNOWN_IOCB) { |
| 1677 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { |
| 1678 | |
| 1679 | char adaptermsg[LPFC_MAX_ADPTMSG]; |
| 1680 | |
| 1681 | memset(adaptermsg, 0, |
| 1682 | LPFC_MAX_ADPTMSG); |
| 1683 | memcpy(&adaptermsg[0], (uint8_t *) irsp, |
| 1684 | MAX_MSG_DATA); |
| 1685 | dev_warn(&((phba->pcidev)->dev), |
Joe Perches | 898eb71 | 2007-10-18 03:06:30 -0700 | [diff] [blame^] | 1686 | "lpfc%d: %s\n", |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1687 | phba->brd_no, adaptermsg); |
| 1688 | } else { |
| 1689 | /* Unknown IOCB command */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1690 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1691 | "0335 Unknown IOCB " |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1692 | "command Data: x%x " |
| 1693 | "x%x x%x x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1694 | irsp->ulpCommand, |
| 1695 | irsp->ulpStatus, |
| 1696 | irsp->ulpIoTag, |
| 1697 | irsp->ulpContext); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1698 | } |
| 1699 | } |
| 1700 | |
| 1701 | if (free_saveq) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1702 | list_for_each_entry_safe(rspiocbp, next_iocb, |
| 1703 | &saveq->list, list) { |
| 1704 | list_del(&rspiocbp->list); |
| 1705 | __lpfc_sli_release_iocbq(phba, |
| 1706 | rspiocbp); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1707 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1708 | __lpfc_sli_release_iocbq(phba, saveq); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1709 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1710 | rspiocbp = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1711 | } |
| 1712 | |
| 1713 | /* |
| 1714 | * If the port response put pointer has not been updated, sync |
| 1715 | * the pgp->rspPutInx in the MAILBOX_tand fetch the new port |
| 1716 | * response put pointer. |
| 1717 | */ |
| 1718 | if (pring->rspidx == portRspPut) { |
| 1719 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
| 1720 | } |
| 1721 | } /* while (pring->rspidx != portRspPut) */ |
| 1722 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1723 | if ((rspiocbp != NULL) && (mask & HA_R0RE_REQ)) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1724 | /* At least one response entry has been freed */ |
| 1725 | pring->stats.iocb_rsp_full++; |
| 1726 | /* SET RxRE_RSP in Chip Att register */ |
| 1727 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); |
| 1728 | writel(status, phba->CAregaddr); |
| 1729 | readl(phba->CAregaddr); /* flush */ |
| 1730 | } |
| 1731 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { |
| 1732 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; |
| 1733 | pring->stats.iocb_cmd_empty++; |
| 1734 | |
| 1735 | /* Force update of the local copy of cmdGetInx */ |
| 1736 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); |
| 1737 | lpfc_sli_resume_iocb(phba, pring); |
| 1738 | |
| 1739 | if ((pring->lpfc_sli_cmd_available)) |
| 1740 | (pring->lpfc_sli_cmd_available) (phba, pring); |
| 1741 | |
| 1742 | } |
| 1743 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1744 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1745 | return rc; |
| 1746 | } |
| 1747 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1748 | void |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1749 | lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
| 1750 | { |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 1751 | LIST_HEAD(completions); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1752 | struct lpfc_iocbq *iocb, *next_iocb; |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 1753 | IOCB_t *cmd = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1754 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1755 | if (pring->ringno == LPFC_ELS_RING) { |
| 1756 | lpfc_fabric_abort_hba(phba); |
| 1757 | } |
| 1758 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1759 | /* Error everything on txq and txcmplq |
| 1760 | * First do the txq. |
| 1761 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1762 | spin_lock_irq(&phba->hbalock); |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 1763 | list_splice_init(&pring->txq, &completions); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1764 | pring->txq_cnt = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1765 | |
| 1766 | /* Next issue ABTS for everything on the txcmplq */ |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 1767 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) |
| 1768 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
| 1769 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1770 | spin_unlock_irq(&phba->hbalock); |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 1771 | |
| 1772 | while (!list_empty(&completions)) { |
| 1773 | iocb = list_get_first(&completions, struct lpfc_iocbq, list); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1774 | cmd = &iocb->iocb; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1775 | list_del_init(&iocb->list); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1776 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1777 | if (!iocb->iocb_cmpl) |
| 1778 | lpfc_sli_release_iocbq(phba, iocb); |
| 1779 | else { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1780 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 1781 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1782 | (iocb->iocb_cmpl) (phba, iocb, iocb); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1783 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1784 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1785 | } |
| 1786 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1787 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1788 | lpfc_sli_brdready(struct lpfc_hba *phba, uint32_t mask) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1789 | { |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1790 | uint32_t status; |
| 1791 | int i = 0; |
| 1792 | int retval = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1793 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1794 | /* Read the HBA Host Status Register */ |
| 1795 | status = readl(phba->HSregaddr); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1796 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1797 | /* |
| 1798 | * Check status register every 100ms for 5 retries, then every |
| 1799 | * 500ms for 5, then every 2.5 sec for 5, then reset board and |
| 1800 | * every 2.5 sec for 4. |
| 1801 | * Break our of the loop if errors occurred during init. |
| 1802 | */ |
| 1803 | while (((status & mask) != mask) && |
| 1804 | !(status & HS_FFERM) && |
| 1805 | i++ < 20) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1806 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1807 | if (i <= 5) |
| 1808 | msleep(10); |
| 1809 | else if (i <= 10) |
| 1810 | msleep(500); |
| 1811 | else |
| 1812 | msleep(2500); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1813 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1814 | if (i == 15) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1815 | /* Do post */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 1816 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1817 | lpfc_sli_brdrestart(phba); |
| 1818 | } |
| 1819 | /* Read the HBA Host Status Register */ |
| 1820 | status = readl(phba->HSregaddr); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1821 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1822 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1823 | /* Check to see if any errors occurred during init */ |
| 1824 | if ((status & HS_FFERM) || (i >= 20)) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1825 | phba->link_state = LPFC_HBA_ERROR; |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1826 | retval = 1; |
| 1827 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1828 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1829 | return retval; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1830 | } |
| 1831 | |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1832 | #define BARRIER_TEST_PATTERN (0xdeadbeef) |
| 1833 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1834 | void lpfc_reset_barrier(struct lpfc_hba *phba) |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1835 | { |
James Smart | 65a29c1 | 2006-07-06 15:50:50 -0400 | [diff] [blame] | 1836 | uint32_t __iomem *resp_buf; |
| 1837 | uint32_t __iomem *mbox_buf; |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1838 | volatile uint32_t mbox; |
| 1839 | uint32_t hc_copy; |
| 1840 | int i; |
| 1841 | uint8_t hdrtype; |
| 1842 | |
| 1843 | pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype); |
| 1844 | if (hdrtype != 0x80 || |
| 1845 | (FC_JEDEC_ID(phba->vpd.rev.biuRev) != HELIOS_JEDEC_ID && |
| 1846 | FC_JEDEC_ID(phba->vpd.rev.biuRev) != THOR_JEDEC_ID)) |
| 1847 | return; |
| 1848 | |
| 1849 | /* |
| 1850 | * Tell the other part of the chip to suspend temporarily all |
| 1851 | * its DMA activity. |
| 1852 | */ |
James Smart | 65a29c1 | 2006-07-06 15:50:50 -0400 | [diff] [blame] | 1853 | resp_buf = phba->MBslimaddr; |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1854 | |
| 1855 | /* Disable the error attention */ |
| 1856 | hc_copy = readl(phba->HCregaddr); |
| 1857 | writel((hc_copy & ~HC_ERINT_ENA), phba->HCregaddr); |
| 1858 | readl(phba->HCregaddr); /* flush */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1859 | phba->link_flag |= LS_IGNORE_ERATT; |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1860 | |
| 1861 | if (readl(phba->HAregaddr) & HA_ERATT) { |
| 1862 | /* Clear Chip error bit */ |
| 1863 | writel(HA_ERATT, phba->HAregaddr); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1864 | phba->pport->stopped = 1; |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1865 | } |
| 1866 | |
| 1867 | mbox = 0; |
| 1868 | ((MAILBOX_t *)&mbox)->mbxCommand = MBX_KILL_BOARD; |
| 1869 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_CHIP; |
| 1870 | |
| 1871 | writel(BARRIER_TEST_PATTERN, (resp_buf + 1)); |
James Smart | 65a29c1 | 2006-07-06 15:50:50 -0400 | [diff] [blame] | 1872 | mbox_buf = phba->MBslimaddr; |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1873 | writel(mbox, mbox_buf); |
| 1874 | |
| 1875 | for (i = 0; |
| 1876 | readl(resp_buf + 1) != ~(BARRIER_TEST_PATTERN) && i < 50; i++) |
| 1877 | mdelay(1); |
| 1878 | |
| 1879 | if (readl(resp_buf + 1) != ~(BARRIER_TEST_PATTERN)) { |
| 1880 | if (phba->sli.sli_flag & LPFC_SLI2_ACTIVE || |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1881 | phba->pport->stopped) |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1882 | goto restore_hc; |
| 1883 | else |
| 1884 | goto clear_errat; |
| 1885 | } |
| 1886 | |
| 1887 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_HOST; |
| 1888 | for (i = 0; readl(resp_buf) != mbox && i < 500; i++) |
| 1889 | mdelay(1); |
| 1890 | |
| 1891 | clear_errat: |
| 1892 | |
| 1893 | while (!(readl(phba->HAregaddr) & HA_ERATT) && ++i < 500) |
| 1894 | mdelay(1); |
| 1895 | |
| 1896 | if (readl(phba->HAregaddr) & HA_ERATT) { |
| 1897 | writel(HA_ERATT, phba->HAregaddr); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1898 | phba->pport->stopped = 1; |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1899 | } |
| 1900 | |
| 1901 | restore_hc: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1902 | phba->link_flag &= ~LS_IGNORE_ERATT; |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1903 | writel(hc_copy, phba->HCregaddr); |
| 1904 | readl(phba->HCregaddr); /* flush */ |
| 1905 | } |
| 1906 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1907 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1908 | lpfc_sli_brdkill(struct lpfc_hba *phba) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1909 | { |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1910 | struct lpfc_sli *psli; |
| 1911 | LPFC_MBOXQ_t *pmb; |
| 1912 | uint32_t status; |
| 1913 | uint32_t ha_copy; |
| 1914 | int retval; |
| 1915 | int i = 0; |
| 1916 | |
| 1917 | psli = &phba->sli; |
| 1918 | |
| 1919 | /* Kill HBA */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 1920 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1921 | "0329 Kill HBA Data: x%x x%x\n", |
| 1922 | phba->pport->port_state, psli->sli_flag); |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1923 | |
| 1924 | if ((pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1925 | GFP_KERNEL)) == 0) |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1926 | return 1; |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1927 | |
| 1928 | /* Disable the error attention */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1929 | spin_lock_irq(&phba->hbalock); |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1930 | status = readl(phba->HCregaddr); |
| 1931 | status &= ~HC_ERINT_ENA; |
| 1932 | writel(status, phba->HCregaddr); |
| 1933 | readl(phba->HCregaddr); /* flush */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1934 | phba->link_flag |= LS_IGNORE_ERATT; |
| 1935 | spin_unlock_irq(&phba->hbalock); |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1936 | |
| 1937 | lpfc_kill_board(phba, pmb); |
| 1938 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| 1939 | retval = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
| 1940 | |
| 1941 | if (retval != MBX_SUCCESS) { |
| 1942 | if (retval != MBX_BUSY) |
| 1943 | mempool_free(pmb, phba->mbox_mem_pool); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1944 | spin_lock_irq(&phba->hbalock); |
| 1945 | phba->link_flag &= ~LS_IGNORE_ERATT; |
| 1946 | spin_unlock_irq(&phba->hbalock); |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1947 | return 1; |
| 1948 | } |
| 1949 | |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1950 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; |
| 1951 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1952 | mempool_free(pmb, phba->mbox_mem_pool); |
| 1953 | |
| 1954 | /* There is no completion for a KILL_BOARD mbox cmd. Check for an error |
| 1955 | * attention every 100ms for 3 seconds. If we don't get ERATT after |
| 1956 | * 3 seconds we still set HBA_ERROR state because the status of the |
| 1957 | * board is now undefined. |
| 1958 | */ |
| 1959 | ha_copy = readl(phba->HAregaddr); |
| 1960 | |
| 1961 | while ((i++ < 30) && !(ha_copy & HA_ERATT)) { |
| 1962 | mdelay(100); |
| 1963 | ha_copy = readl(phba->HAregaddr); |
| 1964 | } |
| 1965 | |
| 1966 | del_timer_sync(&psli->mbox_tmo); |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1967 | if (ha_copy & HA_ERATT) { |
| 1968 | writel(HA_ERATT, phba->HAregaddr); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1969 | phba->pport->stopped = 1; |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 1970 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1971 | spin_lock_irq(&phba->hbalock); |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1972 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1973 | phba->link_flag &= ~LS_IGNORE_ERATT; |
| 1974 | spin_unlock_irq(&phba->hbalock); |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1975 | |
| 1976 | psli->mbox_active = NULL; |
| 1977 | lpfc_hba_down_post(phba); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1978 | phba->link_state = LPFC_HBA_ERROR; |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1979 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1980 | return ha_copy & HA_ERATT ? 0 : 1; |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1981 | } |
| 1982 | |
| 1983 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1984 | lpfc_sli_brdreset(struct lpfc_hba *phba) |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1985 | { |
| 1986 | struct lpfc_sli *psli; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1987 | struct lpfc_sli_ring *pring; |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1988 | uint16_t cfg_value; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1989 | int i; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1990 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1991 | psli = &phba->sli; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1992 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 1993 | /* Reset HBA */ |
| 1994 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 1995 | "0325 Reset HBA Data: x%x x%x\n", |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 1996 | phba->pport->port_state, psli->sli_flag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 1997 | |
| 1998 | /* perform board reset */ |
| 1999 | phba->fc_eventTag = 0; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2000 | phba->pport->fc_myDID = 0; |
| 2001 | phba->pport->fc_prevDID = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2002 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2003 | /* Turn off parity checking and serr during the physical reset */ |
| 2004 | pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value); |
| 2005 | pci_write_config_word(phba->pcidev, PCI_COMMAND, |
| 2006 | (cfg_value & |
| 2007 | ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR))); |
| 2008 | |
James Smart | 1c067a4 | 2006-08-01 07:33:52 -0400 | [diff] [blame] | 2009 | psli->sli_flag &= ~(LPFC_SLI2_ACTIVE | LPFC_PROCESS_LA); |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2010 | /* Now toggle INITFF bit in the Host Control Register */ |
| 2011 | writel(HC_INITFF, phba->HCregaddr); |
| 2012 | mdelay(1); |
| 2013 | readl(phba->HCregaddr); /* flush */ |
| 2014 | writel(0, phba->HCregaddr); |
| 2015 | readl(phba->HCregaddr); /* flush */ |
| 2016 | |
| 2017 | /* Restore PCI cmd register */ |
| 2018 | pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2019 | |
| 2020 | /* Initialize relevant SLI info */ |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2021 | for (i = 0; i < psli->num_rings; i++) { |
| 2022 | pring = &psli->ring[i]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2023 | pring->flag = 0; |
| 2024 | pring->rspidx = 0; |
| 2025 | pring->next_cmdidx = 0; |
| 2026 | pring->local_getidx = 0; |
| 2027 | pring->cmdidx = 0; |
| 2028 | pring->missbufcnt = 0; |
| 2029 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2030 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2031 | phba->link_state = LPFC_WARM_START; |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2032 | return 0; |
| 2033 | } |
| 2034 | |
| 2035 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2036 | lpfc_sli_brdrestart(struct lpfc_hba *phba) |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2037 | { |
| 2038 | MAILBOX_t *mb; |
| 2039 | struct lpfc_sli *psli; |
| 2040 | uint16_t skip_post; |
| 2041 | volatile uint32_t word0; |
| 2042 | void __iomem *to_slim; |
| 2043 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2044 | spin_lock_irq(&phba->hbalock); |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2045 | |
| 2046 | psli = &phba->sli; |
| 2047 | |
| 2048 | /* Restart HBA */ |
| 2049 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2050 | "0337 Restart HBA Data: x%x x%x\n", |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2051 | phba->pport->port_state, psli->sli_flag); |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2052 | |
| 2053 | word0 = 0; |
| 2054 | mb = (MAILBOX_t *) &word0; |
| 2055 | mb->mbxCommand = MBX_RESTART; |
| 2056 | mb->mbxHc = 1; |
| 2057 | |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 2058 | lpfc_reset_barrier(phba); |
| 2059 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2060 | to_slim = phba->MBslimaddr; |
| 2061 | writel(*(uint32_t *) mb, to_slim); |
| 2062 | readl(to_slim); /* flush */ |
| 2063 | |
| 2064 | /* Only skip post after fc_ffinit is completed */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2065 | if (phba->pport->port_state) { |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2066 | skip_post = 1; |
| 2067 | word0 = 1; /* This is really setting up word1 */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2068 | } else { |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2069 | skip_post = 0; |
| 2070 | word0 = 0; /* This is really setting up word1 */ |
| 2071 | } |
James Smart | 65a29c1 | 2006-07-06 15:50:50 -0400 | [diff] [blame] | 2072 | to_slim = phba->MBslimaddr + sizeof (uint32_t); |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2073 | writel(*(uint32_t *) mb, to_slim); |
| 2074 | readl(to_slim); /* flush */ |
| 2075 | |
| 2076 | lpfc_sli_brdreset(phba); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2077 | phba->pport->stopped = 0; |
| 2078 | phba->link_state = LPFC_INIT_START; |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2079 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2080 | spin_unlock_irq(&phba->hbalock); |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2081 | |
James Smart | 64ba881 | 2006-08-02 15:24:34 -0400 | [diff] [blame] | 2082 | memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets)); |
| 2083 | psli->stats_start = get_seconds(); |
| 2084 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2085 | if (skip_post) |
| 2086 | mdelay(100); |
| 2087 | else |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2088 | mdelay(2000); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2089 | |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2090 | lpfc_hba_down_post(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2091 | |
| 2092 | return 0; |
| 2093 | } |
| 2094 | |
| 2095 | static int |
| 2096 | lpfc_sli_chipset_init(struct lpfc_hba *phba) |
| 2097 | { |
| 2098 | uint32_t status, i = 0; |
| 2099 | |
| 2100 | /* Read the HBA Host Status Register */ |
| 2101 | status = readl(phba->HSregaddr); |
| 2102 | |
| 2103 | /* Check status register to see what current state is */ |
| 2104 | i = 0; |
| 2105 | while ((status & (HS_FFRDY | HS_MBRDY)) != (HS_FFRDY | HS_MBRDY)) { |
| 2106 | |
| 2107 | /* Check every 100ms for 5 retries, then every 500ms for 5, then |
| 2108 | * every 2.5 sec for 5, then reset board and every 2.5 sec for |
| 2109 | * 4. |
| 2110 | */ |
| 2111 | if (i++ >= 20) { |
| 2112 | /* Adapter failed to init, timeout, status reg |
| 2113 | <status> */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2114 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2115 | "0436 Adapter failed to init, " |
| 2116 | "timeout, status reg x%x\n", status); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2117 | phba->link_state = LPFC_HBA_ERROR; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2118 | return -ETIMEDOUT; |
| 2119 | } |
| 2120 | |
| 2121 | /* Check to see if any errors occurred during init */ |
| 2122 | if (status & HS_FFERM) { |
| 2123 | /* ERROR: During chipset initialization */ |
| 2124 | /* Adapter failed to init, chipset, status reg |
| 2125 | <status> */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2126 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2127 | "0437 Adapter failed to init, " |
| 2128 | "chipset, status reg x%x\n", status); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2129 | phba->link_state = LPFC_HBA_ERROR; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2130 | return -EIO; |
| 2131 | } |
| 2132 | |
| 2133 | if (i <= 5) { |
| 2134 | msleep(10); |
| 2135 | } else if (i <= 10) { |
| 2136 | msleep(500); |
| 2137 | } else { |
| 2138 | msleep(2500); |
| 2139 | } |
| 2140 | |
| 2141 | if (i == 15) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2142 | /* Do post */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2143 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2144 | lpfc_sli_brdrestart(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2145 | } |
| 2146 | /* Read the HBA Host Status Register */ |
| 2147 | status = readl(phba->HSregaddr); |
| 2148 | } |
| 2149 | |
| 2150 | /* Check to see if any errors occurred during init */ |
| 2151 | if (status & HS_FFERM) { |
| 2152 | /* ERROR: During chipset initialization */ |
| 2153 | /* Adapter failed to init, chipset, status reg <status> */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2154 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2155 | "0438 Adapter failed to init, chipset, " |
| 2156 | "status reg x%x\n", status); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2157 | phba->link_state = LPFC_HBA_ERROR; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2158 | return -EIO; |
| 2159 | } |
| 2160 | |
| 2161 | /* Clear all interrupt enable conditions */ |
| 2162 | writel(0, phba->HCregaddr); |
| 2163 | readl(phba->HCregaddr); /* flush */ |
| 2164 | |
| 2165 | /* setup host attn register */ |
| 2166 | writel(0xffffffff, phba->HAregaddr); |
| 2167 | readl(phba->HAregaddr); /* flush */ |
| 2168 | return 0; |
| 2169 | } |
| 2170 | |
James Smart | 78b2d85 | 2007-08-02 11:10:21 -0400 | [diff] [blame] | 2171 | int |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2172 | lpfc_sli_hbq_count(void) |
| 2173 | { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2174 | return ARRAY_SIZE(lpfc_hbq_defs); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2175 | } |
| 2176 | |
| 2177 | static int |
| 2178 | lpfc_sli_hbq_entry_count(void) |
| 2179 | { |
| 2180 | int hbq_count = lpfc_sli_hbq_count(); |
| 2181 | int count = 0; |
| 2182 | int i; |
| 2183 | |
| 2184 | for (i = 0; i < hbq_count; ++i) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2185 | count += lpfc_hbq_defs[i]->entry_count; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2186 | return count; |
| 2187 | } |
| 2188 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2189 | int |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2190 | lpfc_sli_hbq_size(void) |
| 2191 | { |
| 2192 | return lpfc_sli_hbq_entry_count() * sizeof(struct lpfc_hbq_entry); |
| 2193 | } |
| 2194 | |
| 2195 | static int |
| 2196 | lpfc_sli_hbq_setup(struct lpfc_hba *phba) |
| 2197 | { |
| 2198 | int hbq_count = lpfc_sli_hbq_count(); |
| 2199 | LPFC_MBOXQ_t *pmb; |
| 2200 | MAILBOX_t *pmbox; |
| 2201 | uint32_t hbqno; |
| 2202 | uint32_t hbq_entry_index; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2203 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2204 | /* Get a Mailbox buffer to setup mailbox |
| 2205 | * commands for HBA initialization |
| 2206 | */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2207 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 2208 | |
| 2209 | if (!pmb) |
| 2210 | return -ENOMEM; |
| 2211 | |
| 2212 | pmbox = &pmb->mb; |
| 2213 | |
| 2214 | /* Initialize the struct lpfc_sli_hbq structure for each hbq */ |
| 2215 | phba->link_state = LPFC_INIT_MBX_CMDS; |
| 2216 | |
| 2217 | hbq_entry_index = 0; |
| 2218 | for (hbqno = 0; hbqno < hbq_count; ++hbqno) { |
| 2219 | phba->hbqs[hbqno].next_hbqPutIdx = 0; |
| 2220 | phba->hbqs[hbqno].hbqPutIdx = 0; |
| 2221 | phba->hbqs[hbqno].local_hbqGetIdx = 0; |
| 2222 | phba->hbqs[hbqno].entry_count = |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2223 | lpfc_hbq_defs[hbqno]->entry_count; |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 2224 | lpfc_config_hbq(phba, hbqno, lpfc_hbq_defs[hbqno], |
| 2225 | hbq_entry_index, pmb); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2226 | hbq_entry_index += phba->hbqs[hbqno].entry_count; |
| 2227 | |
| 2228 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
| 2229 | /* Adapter failed to init, mbxCmd <cmd> CFG_RING, |
| 2230 | mbxStatus <status>, ring <num> */ |
| 2231 | |
| 2232 | lpfc_printf_log(phba, KERN_ERR, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2233 | LOG_SLI | LOG_VPORT, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2234 | "1805 Adapter failed to init. " |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2235 | "Data: x%x x%x x%x\n", |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2236 | pmbox->mbxCommand, |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2237 | pmbox->mbxStatus, hbqno); |
| 2238 | |
| 2239 | phba->link_state = LPFC_HBA_ERROR; |
| 2240 | mempool_free(pmb, phba->mbox_mem_pool); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2241 | return ENXIO; |
| 2242 | } |
| 2243 | } |
| 2244 | phba->hbq_count = hbq_count; |
| 2245 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2246 | mempool_free(pmb, phba->mbox_mem_pool); |
| 2247 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2248 | /* Initially populate or replenish the HBQs */ |
| 2249 | for (hbqno = 0; hbqno < hbq_count; ++hbqno) { |
| 2250 | if (lpfc_sli_hbqbuf_init_hbqs(phba, hbqno)) |
| 2251 | return -ENOMEM; |
| 2252 | } |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2253 | return 0; |
| 2254 | } |
| 2255 | |
| 2256 | static int |
| 2257 | lpfc_do_config_port(struct lpfc_hba *phba, int sli_mode) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2258 | { |
| 2259 | LPFC_MBOXQ_t *pmb; |
| 2260 | uint32_t resetcount = 0, rc = 0, done = 0; |
| 2261 | |
| 2262 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| 2263 | if (!pmb) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2264 | phba->link_state = LPFC_HBA_ERROR; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2265 | return -ENOMEM; |
| 2266 | } |
| 2267 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2268 | phba->sli_rev = sli_mode; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2269 | while (resetcount < 2 && !done) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2270 | spin_lock_irq(&phba->hbalock); |
James Smart | 1c067a4 | 2006-08-01 07:33:52 -0400 | [diff] [blame] | 2271 | phba->sli.sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2272 | spin_unlock_irq(&phba->hbalock); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2273 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2274 | lpfc_sli_brdrestart(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2275 | msleep(2500); |
| 2276 | rc = lpfc_sli_chipset_init(phba); |
| 2277 | if (rc) |
| 2278 | break; |
| 2279 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2280 | spin_lock_irq(&phba->hbalock); |
James Smart | 1c067a4 | 2006-08-01 07:33:52 -0400 | [diff] [blame] | 2281 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2282 | spin_unlock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2283 | resetcount++; |
| 2284 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2285 | /* Call pre CONFIG_PORT mailbox command initialization. A |
| 2286 | * value of 0 means the call was successful. Any other |
| 2287 | * nonzero value is a failure, but if ERESTART is returned, |
| 2288 | * the driver may reset the HBA and try again. |
| 2289 | */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2290 | rc = lpfc_config_port_prep(phba); |
| 2291 | if (rc == -ERESTART) { |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2292 | phba->link_state = LPFC_LINK_UNKNOWN; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2293 | continue; |
| 2294 | } else if (rc) { |
| 2295 | break; |
| 2296 | } |
| 2297 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2298 | phba->link_state = LPFC_INIT_MBX_CMDS; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2299 | lpfc_config_port(phba, pmb); |
| 2300 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2301 | if (rc != MBX_SUCCESS) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2302 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2303 | "0442 Adapter failed to init, mbxCmd x%x " |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2304 | "CONFIG_PORT, mbxStatus x%x Data: x%x\n", |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2305 | pmb->mb.mbxCommand, pmb->mb.mbxStatus, 0); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2306 | spin_lock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2307 | phba->sli.sli_flag &= ~LPFC_SLI2_ACTIVE; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2308 | spin_unlock_irq(&phba->hbalock); |
| 2309 | rc = -ENXIO; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2310 | } else { |
| 2311 | done = 1; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2312 | phba->max_vpi = (phba->max_vpi && |
| 2313 | pmb->mb.un.varCfgPort.gmv) != 0 |
| 2314 | ? pmb->mb.un.varCfgPort.max_vpi |
| 2315 | : 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2316 | } |
| 2317 | } |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2318 | |
| 2319 | if (!done) { |
| 2320 | rc = -EINVAL; |
| 2321 | goto do_prep_failed; |
| 2322 | } |
| 2323 | |
| 2324 | if ((pmb->mb.un.varCfgPort.sli_mode == 3) && |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2325 | (!pmb->mb.un.varCfgPort.cMA)) { |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2326 | rc = -ENXIO; |
| 2327 | goto do_prep_failed; |
| 2328 | } |
| 2329 | return rc; |
| 2330 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2331 | do_prep_failed: |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2332 | mempool_free(pmb, phba->mbox_mem_pool); |
| 2333 | return rc; |
| 2334 | } |
| 2335 | |
| 2336 | int |
| 2337 | lpfc_sli_hba_setup(struct lpfc_hba *phba) |
| 2338 | { |
| 2339 | uint32_t rc; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2340 | int mode = 3; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2341 | |
| 2342 | switch (lpfc_sli_mode) { |
| 2343 | case 2: |
James Smart | 78b2d85 | 2007-08-02 11:10:21 -0400 | [diff] [blame] | 2344 | if (phba->cfg_enable_npiv) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2345 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2346 | "1824 NPIV enabled: Override lpfc_sli_mode " |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2347 | "parameter (%d) to auto (0).\n", |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2348 | lpfc_sli_mode); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2349 | break; |
| 2350 | } |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2351 | mode = 2; |
| 2352 | break; |
| 2353 | case 0: |
| 2354 | case 3: |
| 2355 | break; |
| 2356 | default: |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2357 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2358 | "1819 Unrecognized lpfc_sli_mode " |
| 2359 | "parameter: %d.\n", lpfc_sli_mode); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2360 | |
| 2361 | break; |
| 2362 | } |
| 2363 | |
| 2364 | rc = lpfc_do_config_port(phba, mode); |
| 2365 | if (rc && lpfc_sli_mode == 3) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2366 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2367 | "1820 Unable to select SLI-3. " |
| 2368 | "Not supported by adapter.\n"); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2369 | if (rc && mode != 2) |
| 2370 | rc = lpfc_do_config_port(phba, 2); |
| 2371 | if (rc) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2372 | goto lpfc_sli_hba_setup_error; |
| 2373 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2374 | if (phba->sli_rev == 3) { |
| 2375 | phba->iocb_cmd_size = SLI3_IOCB_CMD_SIZE; |
| 2376 | phba->iocb_rsp_size = SLI3_IOCB_RSP_SIZE; |
| 2377 | phba->sli3_options |= LPFC_SLI3_ENABLED; |
| 2378 | phba->sli3_options |= LPFC_SLI3_HBQ_ENABLED; |
| 2379 | |
| 2380 | } else { |
| 2381 | phba->iocb_cmd_size = SLI2_IOCB_CMD_SIZE; |
| 2382 | phba->iocb_rsp_size = SLI2_IOCB_RSP_SIZE; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2383 | phba->sli3_options = 0; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2384 | } |
| 2385 | |
| 2386 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2387 | "0444 Firmware in SLI %x mode. Max_vpi %d\n", |
| 2388 | phba->sli_rev, phba->max_vpi); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2389 | rc = lpfc_sli_ring_map(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2390 | |
| 2391 | if (rc) |
| 2392 | goto lpfc_sli_hba_setup_error; |
| 2393 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2394 | /* Init HBQs */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2395 | |
| 2396 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
| 2397 | rc = lpfc_sli_hbq_setup(phba); |
| 2398 | if (rc) |
| 2399 | goto lpfc_sli_hba_setup_error; |
| 2400 | } |
| 2401 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2402 | phba->sli.sli_flag |= LPFC_PROCESS_LA; |
| 2403 | |
| 2404 | rc = lpfc_config_port_post(phba); |
| 2405 | if (rc) |
| 2406 | goto lpfc_sli_hba_setup_error; |
| 2407 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2408 | return rc; |
| 2409 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2410 | lpfc_sli_hba_setup_error: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2411 | phba->link_state = LPFC_HBA_ERROR; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2412 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2413 | "0445 Firmware initialization failed\n"); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2414 | return rc; |
| 2415 | } |
| 2416 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2417 | /*! lpfc_mbox_timeout |
| 2418 | * |
| 2419 | * \pre |
| 2420 | * \post |
| 2421 | * \param hba Pointer to per struct lpfc_hba structure |
| 2422 | * \param l1 Pointer to the driver's mailbox queue. |
| 2423 | * \return |
| 2424 | * void |
| 2425 | * |
| 2426 | * \b Description: |
| 2427 | * |
| 2428 | * This routine handles mailbox timeout events at timer interrupt context. |
| 2429 | */ |
| 2430 | void |
| 2431 | lpfc_mbox_timeout(unsigned long ptr) |
| 2432 | { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2433 | struct lpfc_hba *phba = (struct lpfc_hba *) ptr; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2434 | unsigned long iflag; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2435 | uint32_t tmo_posted; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2436 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2437 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2438 | tmo_posted = phba->pport->work_port_events & WORKER_MBOX_TMO; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2439 | if (!tmo_posted) |
| 2440 | phba->pport->work_port_events |= WORKER_MBOX_TMO; |
| 2441 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); |
| 2442 | |
| 2443 | if (!tmo_posted) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2444 | spin_lock_irqsave(&phba->hbalock, iflag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2445 | if (phba->work_wait) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2446 | lpfc_worker_wake_up(phba); |
| 2447 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2448 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2449 | } |
| 2450 | |
| 2451 | void |
| 2452 | lpfc_mbox_timeout_handler(struct lpfc_hba *phba) |
| 2453 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2454 | LPFC_MBOXQ_t *pmbox = phba->sli.mbox_active; |
| 2455 | MAILBOX_t *mb = &pmbox->mb; |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 2456 | struct lpfc_sli *psli = &phba->sli; |
| 2457 | struct lpfc_sli_ring *pring; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2458 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2459 | if (!(phba->pport->work_port_events & WORKER_MBOX_TMO)) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2460 | return; |
| 2461 | } |
| 2462 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2463 | /* Mbox cmd <mbxCommand> timeout */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2464 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2465 | "0310 Mailbox command x%x timeout Data: x%x x%x x%p\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2466 | mb->mbxCommand, |
| 2467 | phba->pport->port_state, |
| 2468 | phba->sli.sli_flag, |
| 2469 | phba->sli.mbox_active); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2470 | |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 2471 | /* Setting state unknown so lpfc_sli_abort_iocb_ring |
| 2472 | * would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing |
| 2473 | * it to fail all oustanding SCSI IO. |
| 2474 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2475 | spin_lock_irq(&phba->pport->work_port_lock); |
| 2476 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; |
| 2477 | spin_unlock_irq(&phba->pport->work_port_lock); |
| 2478 | spin_lock_irq(&phba->hbalock); |
| 2479 | phba->link_state = LPFC_LINK_UNKNOWN; |
| 2480 | phba->pport->fc_flag |= FC_ESTABLISH_LINK; |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 2481 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2482 | spin_unlock_irq(&phba->hbalock); |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 2483 | |
| 2484 | pring = &psli->ring[psli->fcp_ring]; |
| 2485 | lpfc_sli_abort_iocb_ring(phba, pring); |
| 2486 | |
| 2487 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2488 | "0316 Resetting board due to mailbox timeout\n"); |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 2489 | /* |
| 2490 | * lpfc_offline calls lpfc_sli_hba_down which will clean up |
| 2491 | * on oustanding mailbox commands. |
| 2492 | */ |
| 2493 | lpfc_offline_prep(phba); |
| 2494 | lpfc_offline(phba); |
| 2495 | lpfc_sli_brdrestart(phba); |
| 2496 | if (lpfc_online(phba) == 0) /* Initialize the HBA */ |
| 2497 | mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60); |
| 2498 | lpfc_unblock_mgmt_io(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2499 | return; |
| 2500 | } |
| 2501 | |
| 2502 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2503 | lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2504 | { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2505 | MAILBOX_t *mb; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2506 | struct lpfc_sli *psli = &phba->sli; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2507 | uint32_t status, evtctr; |
| 2508 | uint32_t ha_copy; |
| 2509 | int i; |
| 2510 | unsigned long drvr_flag = 0; |
| 2511 | volatile uint32_t word0, ldata; |
| 2512 | void __iomem *to_slim; |
| 2513 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2514 | if (pmbox->mbox_cmpl && pmbox->mbox_cmpl != lpfc_sli_def_mbox_cmpl && |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2515 | pmbox->mbox_cmpl != lpfc_sli_wake_mbox_wait) { |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2516 | if(!pmbox->vport) { |
| 2517 | lpfc_printf_log(phba, KERN_ERR, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2518 | LOG_MBOX | LOG_VPORT, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2519 | "1806 Mbox x%x failed. No vport\n", |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2520 | pmbox->mb.mbxCommand); |
| 2521 | dump_stack(); |
| 2522 | return MBXERR_ERROR; |
| 2523 | } |
| 2524 | } |
| 2525 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2526 | |
Linas Vepstas | 8d63f37 | 2007-02-14 14:28:36 -0600 | [diff] [blame] | 2527 | /* If the PCI channel is in offline state, do not post mbox. */ |
| 2528 | if (unlikely(pci_channel_offline(phba->pcidev))) |
| 2529 | return MBX_NOT_FINISHED; |
| 2530 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2531 | spin_lock_irqsave(&phba->hbalock, drvr_flag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2532 | psli = &phba->sli; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2533 | |
| 2534 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2535 | mb = &pmbox->mb; |
| 2536 | status = MBX_SUCCESS; |
| 2537 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2538 | if (phba->link_state == LPFC_HBA_ERROR) { |
| 2539 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2540 | |
| 2541 | /* Mbox command <mbxCommand> cannot issue */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2542 | LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2543 | return MBX_NOT_FINISHED; |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2544 | } |
| 2545 | |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 2546 | if (mb->mbxCommand != MBX_KILL_BOARD && flag & MBX_NOWAIT && |
| 2547 | !(readl(phba->HCregaddr) & HC_MBINT_ENA)) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2548 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2549 | LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2550 | return MBX_NOT_FINISHED; |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 2551 | } |
| 2552 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2553 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { |
| 2554 | /* Polling for a mbox command when another one is already active |
| 2555 | * is not allowed in SLI. Also, the driver must have established |
| 2556 | * SLI2 mode to queue and process multiple mbox commands. |
| 2557 | */ |
| 2558 | |
| 2559 | if (flag & MBX_POLL) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2560 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2561 | |
| 2562 | /* Mbox command <mbxCommand> cannot issue */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2563 | LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2564 | return MBX_NOT_FINISHED; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2565 | } |
| 2566 | |
| 2567 | if (!(psli->sli_flag & LPFC_SLI2_ACTIVE)) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2568 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2569 | /* Mbox command <mbxCommand> cannot issue */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2570 | LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2571 | return MBX_NOT_FINISHED; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2572 | } |
| 2573 | |
| 2574 | /* Handle STOP IOCB processing flag. This is only meaningful |
| 2575 | * if we are not polling for mbox completion. |
| 2576 | */ |
| 2577 | if (flag & MBX_STOP_IOCB) { |
| 2578 | flag &= ~MBX_STOP_IOCB; |
| 2579 | /* Now flag each ring */ |
| 2580 | for (i = 0; i < psli->num_rings; i++) { |
| 2581 | /* If the ring is active, flag it */ |
| 2582 | if (psli->ring[i].cmdringaddr) { |
| 2583 | psli->ring[i].flag |= |
| 2584 | LPFC_STOP_IOCB_MBX; |
| 2585 | } |
| 2586 | } |
| 2587 | } |
| 2588 | |
| 2589 | /* Another mailbox command is still being processed, queue this |
| 2590 | * command to be processed later. |
| 2591 | */ |
| 2592 | lpfc_mbox_put(phba, pmbox); |
| 2593 | |
| 2594 | /* Mbox cmd issue - BUSY */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2595 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2596 | "(%d):0308 Mbox cmd issue - BUSY Data: " |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2597 | "x%x x%x x%x x%x\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2598 | pmbox->vport ? pmbox->vport->vpi : 0xffffff, |
| 2599 | mb->mbxCommand, phba->pport->port_state, |
| 2600 | psli->sli_flag, flag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2601 | |
| 2602 | psli->slistat.mbox_busy++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2603 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2604 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2605 | if (pmbox->vport) { |
| 2606 | lpfc_debugfs_disc_trc(pmbox->vport, |
| 2607 | LPFC_DISC_TRC_MBOX_VPORT, |
| 2608 | "MBOX Bsy vport: cmd:x%x mb:x%x x%x", |
| 2609 | (uint32_t)mb->mbxCommand, |
| 2610 | mb->un.varWords[0], mb->un.varWords[1]); |
| 2611 | } |
| 2612 | else { |
| 2613 | lpfc_debugfs_disc_trc(phba->pport, |
| 2614 | LPFC_DISC_TRC_MBOX, |
| 2615 | "MBOX Bsy: cmd:x%x mb:x%x x%x", |
| 2616 | (uint32_t)mb->mbxCommand, |
| 2617 | mb->un.varWords[0], mb->un.varWords[1]); |
| 2618 | } |
| 2619 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2620 | return MBX_BUSY; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2621 | } |
| 2622 | |
| 2623 | /* Handle STOP IOCB processing flag. This is only meaningful |
| 2624 | * if we are not polling for mbox completion. |
| 2625 | */ |
| 2626 | if (flag & MBX_STOP_IOCB) { |
| 2627 | flag &= ~MBX_STOP_IOCB; |
| 2628 | if (flag == MBX_NOWAIT) { |
| 2629 | /* Now flag each ring */ |
| 2630 | for (i = 0; i < psli->num_rings; i++) { |
| 2631 | /* If the ring is active, flag it */ |
| 2632 | if (psli->ring[i].cmdringaddr) { |
| 2633 | psli->ring[i].flag |= |
| 2634 | LPFC_STOP_IOCB_MBX; |
| 2635 | } |
| 2636 | } |
| 2637 | } |
| 2638 | } |
| 2639 | |
| 2640 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
| 2641 | |
| 2642 | /* If we are not polling, we MUST be in SLI2 mode */ |
| 2643 | if (flag != MBX_POLL) { |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2644 | if (!(psli->sli_flag & LPFC_SLI2_ACTIVE) && |
| 2645 | (mb->mbxCommand != MBX_KILL_BOARD)) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2646 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2647 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2648 | /* Mbox command <mbxCommand> cannot issue */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2649 | LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2650 | return MBX_NOT_FINISHED; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2651 | } |
| 2652 | /* timeout active mbox command */ |
James Smart | a309a6b | 2006-08-01 07:33:43 -0400 | [diff] [blame] | 2653 | mod_timer(&psli->mbox_tmo, (jiffies + |
| 2654 | (HZ * lpfc_mbox_tmo_val(phba, mb->mbxCommand)))); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2655 | } |
| 2656 | |
| 2657 | /* Mailbox cmd <cmd> issue */ |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2658 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2659 | "(%d):0309 Mailbox cmd x%x issue Data: x%x x%x " |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2660 | "x%x\n", |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2661 | pmbox->vport ? pmbox->vport->vpi : 0, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2662 | mb->mbxCommand, phba->pport->port_state, |
| 2663 | psli->sli_flag, flag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2664 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2665 | if (mb->mbxCommand != MBX_HEARTBEAT) { |
| 2666 | if (pmbox->vport) { |
| 2667 | lpfc_debugfs_disc_trc(pmbox->vport, |
| 2668 | LPFC_DISC_TRC_MBOX_VPORT, |
| 2669 | "MBOX Send vport: cmd:x%x mb:x%x x%x", |
| 2670 | (uint32_t)mb->mbxCommand, |
| 2671 | mb->un.varWords[0], mb->un.varWords[1]); |
| 2672 | } |
| 2673 | else { |
| 2674 | lpfc_debugfs_disc_trc(phba->pport, |
| 2675 | LPFC_DISC_TRC_MBOX, |
| 2676 | "MBOX Send: cmd:x%x mb:x%x x%x", |
| 2677 | (uint32_t)mb->mbxCommand, |
| 2678 | mb->un.varWords[0], mb->un.varWords[1]); |
| 2679 | } |
| 2680 | } |
| 2681 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2682 | psli->slistat.mbox_cmd++; |
| 2683 | evtctr = psli->slistat.mbox_event; |
| 2684 | |
| 2685 | /* next set own bit for the adapter and copy over command word */ |
| 2686 | mb->mbxOwner = OWN_CHIP; |
| 2687 | |
| 2688 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2689 | /* First copy command data to host SLIM area */ |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 2690 | lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx, MAILBOX_CMD_SIZE); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2691 | } else { |
James Smart | 9290831 | 2006-03-07 15:04:13 -0500 | [diff] [blame] | 2692 | if (mb->mbxCommand == MBX_CONFIG_PORT) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2693 | /* copy command data into host mbox for cmpl */ |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 2694 | lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2695 | MAILBOX_CMD_SIZE); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2696 | } |
| 2697 | |
| 2698 | /* First copy mbox command data to HBA SLIM, skip past first |
| 2699 | word */ |
| 2700 | to_slim = phba->MBslimaddr + sizeof (uint32_t); |
| 2701 | lpfc_memcpy_to_slim(to_slim, &mb->un.varWords[0], |
| 2702 | MAILBOX_CMD_SIZE - sizeof (uint32_t)); |
| 2703 | |
| 2704 | /* Next copy over first word, with mbxOwner set */ |
| 2705 | ldata = *((volatile uint32_t *)mb); |
| 2706 | to_slim = phba->MBslimaddr; |
| 2707 | writel(ldata, to_slim); |
| 2708 | readl(to_slim); /* flush */ |
| 2709 | |
| 2710 | if (mb->mbxCommand == MBX_CONFIG_PORT) { |
| 2711 | /* switch over to host mailbox */ |
| 2712 | psli->sli_flag |= LPFC_SLI2_ACTIVE; |
| 2713 | } |
| 2714 | } |
| 2715 | |
| 2716 | wmb(); |
| 2717 | /* interrupt board to doit right away */ |
| 2718 | writel(CA_MBATT, phba->CAregaddr); |
| 2719 | readl(phba->CAregaddr); /* flush */ |
| 2720 | |
| 2721 | switch (flag) { |
| 2722 | case MBX_NOWAIT: |
| 2723 | /* Don't wait for it to finish, just return */ |
| 2724 | psli->mbox_active = pmbox; |
| 2725 | break; |
| 2726 | |
| 2727 | case MBX_POLL: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2728 | psli->mbox_active = NULL; |
| 2729 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { |
| 2730 | /* First read mbox status word */ |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 2731 | word0 = *((volatile uint32_t *)&phba->slim2p->mbx); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2732 | word0 = le32_to_cpu(word0); |
| 2733 | } else { |
| 2734 | /* First read mbox status word */ |
| 2735 | word0 = readl(phba->MBslimaddr); |
| 2736 | } |
| 2737 | |
| 2738 | /* Read the HBA Host Attention Register */ |
| 2739 | ha_copy = readl(phba->HAregaddr); |
| 2740 | |
James Smart | a309a6b | 2006-08-01 07:33:43 -0400 | [diff] [blame] | 2741 | i = lpfc_mbox_tmo_val(phba, mb->mbxCommand); |
| 2742 | i *= 1000; /* Convert to ms */ |
| 2743 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2744 | /* Wait for command to complete */ |
Jamie Wellnitz | 4141586 | 2006-02-28 19:25:27 -0500 | [diff] [blame] | 2745 | while (((word0 & OWN_CHIP) == OWN_CHIP) || |
| 2746 | (!(ha_copy & HA_MBATT) && |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2747 | (phba->link_state > LPFC_WARM_START))) { |
James Smart | a309a6b | 2006-08-01 07:33:43 -0400 | [diff] [blame] | 2748 | if (i-- <= 0) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2749 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2750 | spin_unlock_irqrestore(&phba->hbalock, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2751 | drvr_flag); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2752 | return MBX_NOT_FINISHED; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2753 | } |
| 2754 | |
| 2755 | /* Check if we took a mbox interrupt while we were |
| 2756 | polling */ |
| 2757 | if (((word0 & OWN_CHIP) != OWN_CHIP) |
| 2758 | && (evtctr != psli->slistat.mbox_event)) |
| 2759 | break; |
| 2760 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2761 | spin_unlock_irqrestore(&phba->hbalock, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2762 | drvr_flag); |
| 2763 | |
James Smart | 1dcb58e | 2007-04-25 09:51:30 -0400 | [diff] [blame] | 2764 | msleep(1); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2765 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2766 | spin_lock_irqsave(&phba->hbalock, drvr_flag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2767 | |
| 2768 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { |
| 2769 | /* First copy command data */ |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 2770 | word0 = *((volatile uint32_t *) |
| 2771 | &phba->slim2p->mbx); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2772 | word0 = le32_to_cpu(word0); |
| 2773 | if (mb->mbxCommand == MBX_CONFIG_PORT) { |
| 2774 | MAILBOX_t *slimmb; |
| 2775 | volatile uint32_t slimword0; |
| 2776 | /* Check real SLIM for any errors */ |
| 2777 | slimword0 = readl(phba->MBslimaddr); |
| 2778 | slimmb = (MAILBOX_t *) & slimword0; |
| 2779 | if (((slimword0 & OWN_CHIP) != OWN_CHIP) |
| 2780 | && slimmb->mbxStatus) { |
| 2781 | psli->sli_flag &= |
| 2782 | ~LPFC_SLI2_ACTIVE; |
| 2783 | word0 = slimword0; |
| 2784 | } |
| 2785 | } |
| 2786 | } else { |
| 2787 | /* First copy command data */ |
| 2788 | word0 = readl(phba->MBslimaddr); |
| 2789 | } |
| 2790 | /* Read the HBA Host Attention Register */ |
| 2791 | ha_copy = readl(phba->HAregaddr); |
| 2792 | } |
| 2793 | |
| 2794 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2795 | /* copy results back to user */ |
James.Smart@Emulex.Com | 4cc2da1 | 2005-06-25 10:34:00 -0400 | [diff] [blame] | 2796 | lpfc_sli_pcimem_bcopy(&phba->slim2p->mbx, mb, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2797 | MAILBOX_CMD_SIZE); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2798 | } else { |
| 2799 | /* First copy command data */ |
| 2800 | lpfc_memcpy_from_slim(mb, phba->MBslimaddr, |
| 2801 | MAILBOX_CMD_SIZE); |
| 2802 | if ((mb->mbxCommand == MBX_DUMP_MEMORY) && |
| 2803 | pmbox->context2) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2804 | lpfc_memcpy_from_slim((void *)pmbox->context2, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2805 | phba->MBslimaddr + DMP_RSP_OFFSET, |
| 2806 | mb->un.varDmp.word_cnt); |
| 2807 | } |
| 2808 | } |
| 2809 | |
| 2810 | writel(HA_MBATT, phba->HAregaddr); |
| 2811 | readl(phba->HAregaddr); /* flush */ |
| 2812 | |
| 2813 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
| 2814 | status = mb->mbxStatus; |
| 2815 | } |
| 2816 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2817 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
| 2818 | return status; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2819 | } |
| 2820 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2821 | /* |
| 2822 | * Caller needs to hold lock. |
| 2823 | */ |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 2824 | static void |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2825 | __lpfc_sli_ringtx_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2826 | struct lpfc_iocbq *piocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2827 | { |
| 2828 | /* Insert the caller's iocb in the txq tail for later processing. */ |
| 2829 | list_add_tail(&piocb->list, &pring->txq); |
| 2830 | pring->txq_cnt++; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2831 | } |
| 2832 | |
| 2833 | static struct lpfc_iocbq * |
| 2834 | lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2835 | struct lpfc_iocbq **piocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2836 | { |
| 2837 | struct lpfc_iocbq * nextiocb; |
| 2838 | |
| 2839 | nextiocb = lpfc_sli_ringtx_get(phba, pring); |
| 2840 | if (!nextiocb) { |
| 2841 | nextiocb = *piocb; |
| 2842 | *piocb = NULL; |
| 2843 | } |
| 2844 | |
| 2845 | return nextiocb; |
| 2846 | } |
| 2847 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2848 | /* |
| 2849 | * Lockless version of lpfc_sli_issue_iocb. |
| 2850 | */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2851 | int |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2852 | __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2853 | struct lpfc_iocbq *piocb, uint32_t flag) |
| 2854 | { |
| 2855 | struct lpfc_iocbq *nextiocb; |
| 2856 | IOCB_t *iocb; |
| 2857 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2858 | if (piocb->iocb_cmpl && (!piocb->vport) && |
| 2859 | (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) && |
| 2860 | (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) { |
| 2861 | lpfc_printf_log(phba, KERN_ERR, |
| 2862 | LOG_SLI | LOG_VPORT, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 2863 | "1807 IOCB x%x failed. No vport\n", |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2864 | piocb->iocb.ulpCommand); |
| 2865 | dump_stack(); |
| 2866 | return IOCB_ERROR; |
| 2867 | } |
| 2868 | |
| 2869 | |
Linas Vepstas | 8d63f37 | 2007-02-14 14:28:36 -0600 | [diff] [blame] | 2870 | /* If the PCI channel is in offline state, do not post iocbs. */ |
| 2871 | if (unlikely(pci_channel_offline(phba->pcidev))) |
| 2872 | return IOCB_ERROR; |
| 2873 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2874 | /* |
| 2875 | * We should never get an IOCB if we are in a < LINK_DOWN state |
| 2876 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2877 | if (unlikely(phba->link_state < LPFC_LINK_DOWN)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2878 | return IOCB_ERROR; |
| 2879 | |
| 2880 | /* |
| 2881 | * Check to see if we are blocking IOCB processing because of a |
| 2882 | * outstanding mbox command. |
| 2883 | */ |
| 2884 | if (unlikely(pring->flag & LPFC_STOP_IOCB_MBX)) |
| 2885 | goto iocb_busy; |
| 2886 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 2887 | if (unlikely(phba->link_state == LPFC_LINK_DOWN)) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2888 | /* |
James Smart | 2680eea | 2007-04-25 09:52:55 -0400 | [diff] [blame] | 2889 | * Only CREATE_XRI, CLOSE_XRI, and QUE_RING_BUF |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2890 | * can be issued if the link is not up. |
| 2891 | */ |
| 2892 | switch (piocb->iocb.ulpCommand) { |
| 2893 | case CMD_QUE_RING_BUF_CN: |
| 2894 | case CMD_QUE_RING_BUF64_CN: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2895 | /* |
| 2896 | * For IOCBs, like QUE_RING_BUF, that have no rsp ring |
| 2897 | * completion, iocb_cmpl MUST be 0. |
| 2898 | */ |
| 2899 | if (piocb->iocb_cmpl) |
| 2900 | piocb->iocb_cmpl = NULL; |
| 2901 | /*FALLTHROUGH*/ |
| 2902 | case CMD_CREATE_XRI_CR: |
James Smart | 2680eea | 2007-04-25 09:52:55 -0400 | [diff] [blame] | 2903 | case CMD_CLOSE_XRI_CN: |
| 2904 | case CMD_CLOSE_XRI_CX: |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2905 | break; |
| 2906 | default: |
| 2907 | goto iocb_busy; |
| 2908 | } |
| 2909 | |
| 2910 | /* |
| 2911 | * For FCP commands, we must be in a state where we can process link |
| 2912 | * attention events. |
| 2913 | */ |
| 2914 | } else if (unlikely(pring->ringno == phba->sli.fcp_ring && |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2915 | !(phba->sli.sli_flag & LPFC_PROCESS_LA))) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2916 | goto iocb_busy; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2917 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2918 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2919 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && |
| 2920 | (nextiocb = lpfc_sli_next_iocb(phba, pring, &piocb))) |
| 2921 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); |
| 2922 | |
| 2923 | if (iocb) |
| 2924 | lpfc_sli_update_ring(phba, pring); |
| 2925 | else |
| 2926 | lpfc_sli_update_full_ring(phba, pring); |
| 2927 | |
| 2928 | if (!piocb) |
| 2929 | return IOCB_SUCCESS; |
| 2930 | |
| 2931 | goto out_busy; |
| 2932 | |
| 2933 | iocb_busy: |
| 2934 | pring->stats.iocb_cmd_delay++; |
| 2935 | |
| 2936 | out_busy: |
| 2937 | |
| 2938 | if (!(flag & SLI_IOCB_RET_IOCB)) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2939 | __lpfc_sli_ringtx_put(phba, pring, piocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2940 | return IOCB_SUCCESS; |
| 2941 | } |
| 2942 | |
| 2943 | return IOCB_BUSY; |
| 2944 | } |
| 2945 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 2946 | |
| 2947 | int |
| 2948 | lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 2949 | struct lpfc_iocbq *piocb, uint32_t flag) |
| 2950 | { |
| 2951 | unsigned long iflags; |
| 2952 | int rc; |
| 2953 | |
| 2954 | spin_lock_irqsave(&phba->hbalock, iflags); |
| 2955 | rc = __lpfc_sli_issue_iocb(phba, pring, piocb, flag); |
| 2956 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
| 2957 | |
| 2958 | return rc; |
| 2959 | } |
| 2960 | |
Jamie Wellnitz | cf5bf97 | 2006-02-28 22:33:08 -0500 | [diff] [blame] | 2961 | static int |
| 2962 | lpfc_extra_ring_setup( struct lpfc_hba *phba) |
| 2963 | { |
| 2964 | struct lpfc_sli *psli; |
| 2965 | struct lpfc_sli_ring *pring; |
| 2966 | |
| 2967 | psli = &phba->sli; |
| 2968 | |
| 2969 | /* Adjust cmd/rsp ring iocb entries more evenly */ |
James Smart | a4bc337 | 2006-12-02 13:34:16 -0500 | [diff] [blame] | 2970 | |
| 2971 | /* Take some away from the FCP ring */ |
Jamie Wellnitz | cf5bf97 | 2006-02-28 22:33:08 -0500 | [diff] [blame] | 2972 | pring = &psli->ring[psli->fcp_ring]; |
| 2973 | pring->numCiocb -= SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
| 2974 | pring->numRiocb -= SLI2_IOCB_RSP_R1XTRA_ENTRIES; |
| 2975 | pring->numCiocb -= SLI2_IOCB_CMD_R3XTRA_ENTRIES; |
| 2976 | pring->numRiocb -= SLI2_IOCB_RSP_R3XTRA_ENTRIES; |
| 2977 | |
James Smart | a4bc337 | 2006-12-02 13:34:16 -0500 | [diff] [blame] | 2978 | /* and give them to the extra ring */ |
| 2979 | pring = &psli->ring[psli->extra_ring]; |
| 2980 | |
Jamie Wellnitz | cf5bf97 | 2006-02-28 22:33:08 -0500 | [diff] [blame] | 2981 | pring->numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
| 2982 | pring->numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES; |
| 2983 | pring->numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES; |
| 2984 | pring->numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES; |
| 2985 | |
| 2986 | /* Setup default profile for this ring */ |
| 2987 | pring->iotag_max = 4096; |
| 2988 | pring->num_mask = 1; |
| 2989 | pring->prt[0].profile = 0; /* Mask 0 */ |
James Smart | a4bc337 | 2006-12-02 13:34:16 -0500 | [diff] [blame] | 2990 | pring->prt[0].rctl = phba->cfg_multi_ring_rctl; |
| 2991 | pring->prt[0].type = phba->cfg_multi_ring_type; |
Jamie Wellnitz | cf5bf97 | 2006-02-28 22:33:08 -0500 | [diff] [blame] | 2992 | pring->prt[0].lpfc_sli_rcv_unsol_event = NULL; |
| 2993 | return 0; |
| 2994 | } |
| 2995 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 2996 | int |
| 2997 | lpfc_sli_setup(struct lpfc_hba *phba) |
| 2998 | { |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 2999 | int i, totiocbsize = 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3000 | struct lpfc_sli *psli = &phba->sli; |
| 3001 | struct lpfc_sli_ring *pring; |
| 3002 | |
| 3003 | psli->num_rings = MAX_CONFIGURED_RINGS; |
| 3004 | psli->sli_flag = 0; |
| 3005 | psli->fcp_ring = LPFC_FCP_RING; |
| 3006 | psli->next_ring = LPFC_FCP_NEXT_RING; |
James Smart | a4bc337 | 2006-12-02 13:34:16 -0500 | [diff] [blame] | 3007 | psli->extra_ring = LPFC_EXTRA_RING; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3008 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 3009 | psli->iocbq_lookup = NULL; |
| 3010 | psli->iocbq_lookup_len = 0; |
| 3011 | psli->last_iotag = 0; |
| 3012 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3013 | for (i = 0; i < psli->num_rings; i++) { |
| 3014 | pring = &psli->ring[i]; |
| 3015 | switch (i) { |
| 3016 | case LPFC_FCP_RING: /* ring 0 - FCP */ |
| 3017 | /* numCiocb and numRiocb are used in config_port */ |
| 3018 | pring->numCiocb = SLI2_IOCB_CMD_R0_ENTRIES; |
| 3019 | pring->numRiocb = SLI2_IOCB_RSP_R0_ENTRIES; |
| 3020 | pring->numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
| 3021 | pring->numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES; |
| 3022 | pring->numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES; |
| 3023 | pring->numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3024 | pring->sizeCiocb = (phba->sli_rev == 3) ? |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3025 | SLI3_IOCB_CMD_SIZE : |
| 3026 | SLI2_IOCB_CMD_SIZE; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3027 | pring->sizeRiocb = (phba->sli_rev == 3) ? |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3028 | SLI3_IOCB_RSP_SIZE : |
| 3029 | SLI2_IOCB_RSP_SIZE; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3030 | pring->iotag_ctr = 0; |
| 3031 | pring->iotag_max = |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3032 | (phba->cfg_hba_queue_depth * 2); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3033 | pring->fast_iotag = pring->iotag_max; |
| 3034 | pring->num_mask = 0; |
| 3035 | break; |
James Smart | a4bc337 | 2006-12-02 13:34:16 -0500 | [diff] [blame] | 3036 | case LPFC_EXTRA_RING: /* ring 1 - EXTRA */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3037 | /* numCiocb and numRiocb are used in config_port */ |
| 3038 | pring->numCiocb = SLI2_IOCB_CMD_R1_ENTRIES; |
| 3039 | pring->numRiocb = SLI2_IOCB_RSP_R1_ENTRIES; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3040 | pring->sizeCiocb = (phba->sli_rev == 3) ? |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3041 | SLI3_IOCB_CMD_SIZE : |
| 3042 | SLI2_IOCB_CMD_SIZE; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3043 | pring->sizeRiocb = (phba->sli_rev == 3) ? |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3044 | SLI3_IOCB_RSP_SIZE : |
| 3045 | SLI2_IOCB_RSP_SIZE; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3046 | pring->iotag_max = phba->cfg_hba_queue_depth; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3047 | pring->num_mask = 0; |
| 3048 | break; |
| 3049 | case LPFC_ELS_RING: /* ring 2 - ELS / CT */ |
| 3050 | /* numCiocb and numRiocb are used in config_port */ |
| 3051 | pring->numCiocb = SLI2_IOCB_CMD_R2_ENTRIES; |
| 3052 | pring->numRiocb = SLI2_IOCB_RSP_R2_ENTRIES; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3053 | pring->sizeCiocb = (phba->sli_rev == 3) ? |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3054 | SLI3_IOCB_CMD_SIZE : |
| 3055 | SLI2_IOCB_CMD_SIZE; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3056 | pring->sizeRiocb = (phba->sli_rev == 3) ? |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3057 | SLI3_IOCB_RSP_SIZE : |
| 3058 | SLI2_IOCB_RSP_SIZE; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3059 | pring->fast_iotag = 0; |
| 3060 | pring->iotag_ctr = 0; |
| 3061 | pring->iotag_max = 4096; |
| 3062 | pring->num_mask = 4; |
| 3063 | pring->prt[0].profile = 0; /* Mask 0 */ |
| 3064 | pring->prt[0].rctl = FC_ELS_REQ; |
| 3065 | pring->prt[0].type = FC_ELS_DATA; |
| 3066 | pring->prt[0].lpfc_sli_rcv_unsol_event = |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3067 | lpfc_els_unsol_event; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3068 | pring->prt[1].profile = 0; /* Mask 1 */ |
| 3069 | pring->prt[1].rctl = FC_ELS_RSP; |
| 3070 | pring->prt[1].type = FC_ELS_DATA; |
| 3071 | pring->prt[1].lpfc_sli_rcv_unsol_event = |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3072 | lpfc_els_unsol_event; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3073 | pring->prt[2].profile = 0; /* Mask 2 */ |
| 3074 | /* NameServer Inquiry */ |
| 3075 | pring->prt[2].rctl = FC_UNSOL_CTL; |
| 3076 | /* NameServer */ |
| 3077 | pring->prt[2].type = FC_COMMON_TRANSPORT_ULP; |
| 3078 | pring->prt[2].lpfc_sli_rcv_unsol_event = |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3079 | lpfc_ct_unsol_event; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3080 | pring->prt[3].profile = 0; /* Mask 3 */ |
| 3081 | /* NameServer response */ |
| 3082 | pring->prt[3].rctl = FC_SOL_CTL; |
| 3083 | /* NameServer */ |
| 3084 | pring->prt[3].type = FC_COMMON_TRANSPORT_ULP; |
| 3085 | pring->prt[3].lpfc_sli_rcv_unsol_event = |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3086 | lpfc_ct_unsol_event; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3087 | break; |
| 3088 | } |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3089 | totiocbsize += (pring->numCiocb * pring->sizeCiocb) + |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3090 | (pring->numRiocb * pring->sizeRiocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3091 | } |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3092 | if (totiocbsize > MAX_SLIM_IOCB_SIZE) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3093 | /* Too many cmd / rsp ring entries in SLI2 SLIM */ |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3094 | printk(KERN_ERR "%d:0462 Too many cmd / rsp ring entries in " |
| 3095 | "SLI2 SLIM Data: x%x x%lx\n", |
| 3096 | phba->brd_no, totiocbsize, |
| 3097 | (unsigned long) MAX_SLIM_IOCB_SIZE); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3098 | } |
Jamie Wellnitz | cf5bf97 | 2006-02-28 22:33:08 -0500 | [diff] [blame] | 3099 | if (phba->cfg_multi_ring_support == 2) |
| 3100 | lpfc_extra_ring_setup(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3101 | |
| 3102 | return 0; |
| 3103 | } |
| 3104 | |
| 3105 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3106 | lpfc_sli_queue_setup(struct lpfc_hba *phba) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3107 | { |
| 3108 | struct lpfc_sli *psli; |
| 3109 | struct lpfc_sli_ring *pring; |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 3110 | int i; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3111 | |
| 3112 | psli = &phba->sli; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3113 | spin_lock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3114 | INIT_LIST_HEAD(&psli->mboxq); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3115 | INIT_LIST_HEAD(&psli->mboxq_cmpl); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3116 | /* Initialize list headers for txq and txcmplq as double linked lists */ |
| 3117 | for (i = 0; i < psli->num_rings; i++) { |
| 3118 | pring = &psli->ring[i]; |
| 3119 | pring->ringno = i; |
| 3120 | pring->next_cmdidx = 0; |
| 3121 | pring->local_getidx = 0; |
| 3122 | pring->cmdidx = 0; |
| 3123 | INIT_LIST_HEAD(&pring->txq); |
| 3124 | INIT_LIST_HEAD(&pring->txcmplq); |
| 3125 | INIT_LIST_HEAD(&pring->iocb_continueq); |
| 3126 | INIT_LIST_HEAD(&pring->postbufq); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3127 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3128 | spin_unlock_irq(&phba->hbalock); |
| 3129 | return 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3130 | } |
| 3131 | |
| 3132 | int |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3133 | lpfc_sli_host_down(struct lpfc_vport *vport) |
| 3134 | { |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3135 | LIST_HEAD(completions); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3136 | struct lpfc_hba *phba = vport->phba; |
| 3137 | struct lpfc_sli *psli = &phba->sli; |
| 3138 | struct lpfc_sli_ring *pring; |
| 3139 | struct lpfc_iocbq *iocb, *next_iocb; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3140 | int i; |
| 3141 | unsigned long flags = 0; |
| 3142 | uint16_t prev_pring_flag; |
| 3143 | |
| 3144 | lpfc_cleanup_discovery_resources(vport); |
| 3145 | |
| 3146 | spin_lock_irqsave(&phba->hbalock, flags); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3147 | for (i = 0; i < psli->num_rings; i++) { |
| 3148 | pring = &psli->ring[i]; |
| 3149 | prev_pring_flag = pring->flag; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3150 | if (pring->ringno == LPFC_ELS_RING) /* Only slow rings */ |
| 3151 | pring->flag |= LPFC_DEFERRED_RING_EVENT; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3152 | /* |
| 3153 | * Error everything on the txq since these iocbs have not been |
| 3154 | * given to the FW yet. |
| 3155 | */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3156 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
| 3157 | if (iocb->vport != vport) |
| 3158 | continue; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3159 | list_move_tail(&iocb->list, &completions); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3160 | pring->txq_cnt--; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3161 | } |
| 3162 | |
| 3163 | /* Next issue ABTS for everything on the txcmplq */ |
| 3164 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, |
| 3165 | list) { |
| 3166 | if (iocb->vport != vport) |
| 3167 | continue; |
| 3168 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
| 3169 | } |
| 3170 | |
| 3171 | pring->flag = prev_pring_flag; |
| 3172 | } |
| 3173 | |
| 3174 | spin_unlock_irqrestore(&phba->hbalock, flags); |
| 3175 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3176 | while (!list_empty(&completions)) { |
| 3177 | list_remove_head(&completions, iocb, struct lpfc_iocbq, list); |
| 3178 | |
| 3179 | if (!iocb->iocb_cmpl) |
| 3180 | lpfc_sli_release_iocbq(phba, iocb); |
| 3181 | else { |
| 3182 | iocb->iocb.ulpStatus = IOSTAT_LOCAL_REJECT; |
| 3183 | iocb->iocb.un.ulpWord[4] = IOERR_SLI_DOWN; |
| 3184 | (iocb->iocb_cmpl) (phba, iocb, iocb); |
| 3185 | } |
| 3186 | } |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3187 | return 1; |
| 3188 | } |
| 3189 | |
| 3190 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3191 | lpfc_sli_hba_down(struct lpfc_hba *phba) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3192 | { |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3193 | LIST_HEAD(completions); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3194 | struct lpfc_sli *psli = &phba->sli; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3195 | struct lpfc_sli_ring *pring; |
| 3196 | LPFC_MBOXQ_t *pmb; |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3197 | struct lpfc_iocbq *iocb; |
| 3198 | IOCB_t *cmd = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3199 | int i; |
| 3200 | unsigned long flags = 0; |
| 3201 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3202 | lpfc_hba_down_prep(phba); |
| 3203 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3204 | lpfc_fabric_abort_hba(phba); |
| 3205 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3206 | spin_lock_irqsave(&phba->hbalock, flags); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3207 | for (i = 0; i < psli->num_rings; i++) { |
| 3208 | pring = &psli->ring[i]; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3209 | if (pring->ringno == LPFC_ELS_RING) /* Only slow rings */ |
| 3210 | pring->flag |= LPFC_DEFERRED_RING_EVENT; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3211 | |
| 3212 | /* |
| 3213 | * Error everything on the txq since these iocbs have not been |
| 3214 | * given to the FW yet. |
| 3215 | */ |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3216 | list_splice_init(&pring->txq, &completions); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3217 | pring->txq_cnt = 0; |
| 3218 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3219 | } |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3220 | spin_unlock_irqrestore(&phba->hbalock, flags); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3221 | |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3222 | while (!list_empty(&completions)) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3223 | list_remove_head(&completions, iocb, struct lpfc_iocbq, list); |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3224 | cmd = &iocb->iocb; |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3225 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3226 | if (!iocb->iocb_cmpl) |
| 3227 | lpfc_sli_release_iocbq(phba, iocb); |
| 3228 | else { |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3229 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
| 3230 | cmd->un.ulpWord[4] = IOERR_SLI_DOWN; |
| 3231 | (iocb->iocb_cmpl) (phba, iocb, iocb); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3232 | } |
James Smart | 2534ba7 | 2007-04-25 09:52:20 -0400 | [diff] [blame] | 3233 | } |
| 3234 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3235 | /* Return any active mbox cmds */ |
| 3236 | del_timer_sync(&psli->mbox_tmo); |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3237 | spin_lock_irqsave(&phba->hbalock, flags); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3238 | |
| 3239 | spin_lock(&phba->pport->work_port_lock); |
| 3240 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; |
| 3241 | spin_unlock(&phba->pport->work_port_lock); |
| 3242 | |
| 3243 | if (psli->mbox_active) { |
| 3244 | list_add_tail(&psli->mbox_active->list, &completions); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3245 | psli->mbox_active = NULL; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3246 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3247 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3248 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3249 | /* Return any pending or completed mbox cmds */ |
| 3250 | list_splice_init(&phba->sli.mboxq, &completions); |
| 3251 | list_splice_init(&phba->sli.mboxq_cmpl, &completions); |
| 3252 | INIT_LIST_HEAD(&psli->mboxq); |
| 3253 | INIT_LIST_HEAD(&psli->mboxq_cmpl); |
| 3254 | |
| 3255 | spin_unlock_irqrestore(&phba->hbalock, flags); |
| 3256 | |
| 3257 | while (!list_empty(&completions)) { |
| 3258 | list_remove_head(&completions, pmb, LPFC_MBOXQ_t, list); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3259 | pmb->mb.mbxStatus = MBX_NOT_FINISHED; |
| 3260 | if (pmb->mbox_cmpl) { |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3261 | pmb->mbox_cmpl(phba,pmb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3262 | } |
| 3263 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3264 | return 1; |
| 3265 | } |
| 3266 | |
| 3267 | void |
| 3268 | lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt) |
| 3269 | { |
| 3270 | uint32_t *src = srcp; |
| 3271 | uint32_t *dest = destp; |
| 3272 | uint32_t ldata; |
| 3273 | int i; |
| 3274 | |
| 3275 | for (i = 0; i < (int)cnt; i += sizeof (uint32_t)) { |
| 3276 | ldata = *src; |
| 3277 | ldata = le32_to_cpu(ldata); |
| 3278 | *dest = ldata; |
| 3279 | src++; |
| 3280 | dest++; |
| 3281 | } |
| 3282 | } |
| 3283 | |
| 3284 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3285 | lpfc_sli_ringpostbuf_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 3286 | struct lpfc_dmabuf *mp) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3287 | { |
| 3288 | /* Stick struct lpfc_dmabuf at end of postbufq so driver can look it up |
| 3289 | later */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3290 | spin_lock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3291 | list_add_tail(&mp->list, &pring->postbufq); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3292 | pring->postbufq_cnt++; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3293 | spin_unlock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3294 | return 0; |
| 3295 | } |
| 3296 | |
| 3297 | |
| 3298 | struct lpfc_dmabuf * |
| 3299 | lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 3300 | dma_addr_t phys) |
| 3301 | { |
| 3302 | struct lpfc_dmabuf *mp, *next_mp; |
| 3303 | struct list_head *slp = &pring->postbufq; |
| 3304 | |
| 3305 | /* Search postbufq, from the begining, looking for a match on phys */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3306 | spin_lock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3307 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { |
| 3308 | if (mp->phys == phys) { |
| 3309 | list_del_init(&mp->list); |
| 3310 | pring->postbufq_cnt--; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3311 | spin_unlock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3312 | return mp; |
| 3313 | } |
| 3314 | } |
| 3315 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3316 | spin_unlock_irq(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3317 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3318 | "0410 Cannot find virtual addr for mapped buf on " |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3319 | "ring %d Data x%llx x%p x%p x%x\n", |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3320 | pring->ringno, (unsigned long long)phys, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3321 | slp->next, slp->prev, pring->postbufq_cnt); |
| 3322 | return NULL; |
| 3323 | } |
| 3324 | |
| 3325 | static void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3326 | lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 3327 | struct lpfc_iocbq *rspiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3328 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3329 | IOCB_t *irsp = &rspiocb->iocb; |
James Smart | 2680eea | 2007-04-25 09:52:55 -0400 | [diff] [blame] | 3330 | uint16_t abort_iotag, abort_context; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3331 | struct lpfc_iocbq *abort_iocb; |
James Smart | 2680eea | 2007-04-25 09:52:55 -0400 | [diff] [blame] | 3332 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
| 3333 | |
| 3334 | abort_iocb = NULL; |
James Smart | 2680eea | 2007-04-25 09:52:55 -0400 | [diff] [blame] | 3335 | |
| 3336 | if (irsp->ulpStatus) { |
| 3337 | abort_context = cmdiocb->iocb.un.acxri.abortContextTag; |
| 3338 | abort_iotag = cmdiocb->iocb.un.acxri.abortIoTag; |
| 3339 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3340 | spin_lock_irq(&phba->hbalock); |
James Smart | 2680eea | 2007-04-25 09:52:55 -0400 | [diff] [blame] | 3341 | if (abort_iotag != 0 && abort_iotag <= phba->sli.last_iotag) |
| 3342 | abort_iocb = phba->sli.iocbq_lookup[abort_iotag]; |
| 3343 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3344 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS | LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3345 | "0327 Cannot abort els iocb %p " |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3346 | "with tag %x context %x, abort status %x, " |
| 3347 | "abort code %x\n", |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3348 | abort_iocb, abort_iotag, abort_context, |
| 3349 | irsp->ulpStatus, irsp->un.ulpWord[4]); |
James Smart | 2680eea | 2007-04-25 09:52:55 -0400 | [diff] [blame] | 3350 | |
| 3351 | /* |
| 3352 | * make sure we have the right iocbq before taking it |
| 3353 | * off the txcmplq and try to call completion routine. |
| 3354 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3355 | if (!abort_iocb || |
| 3356 | abort_iocb->iocb.ulpContext != abort_context || |
| 3357 | (abort_iocb->iocb_flag & LPFC_DRIVER_ABORTED) == 0) |
| 3358 | spin_unlock_irq(&phba->hbalock); |
| 3359 | else { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3360 | list_del_init(&abort_iocb->list); |
James Smart | 2680eea | 2007-04-25 09:52:55 -0400 | [diff] [blame] | 3361 | pring->txcmplq_cnt--; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3362 | spin_unlock_irq(&phba->hbalock); |
James Smart | 2680eea | 2007-04-25 09:52:55 -0400 | [diff] [blame] | 3363 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3364 | abort_iocb->iocb_flag &= ~LPFC_DRIVER_ABORTED; |
| 3365 | abort_iocb->iocb.ulpStatus = IOSTAT_LOCAL_REJECT; |
| 3366 | abort_iocb->iocb.un.ulpWord[4] = IOERR_SLI_ABORTED; |
| 3367 | (abort_iocb->iocb_cmpl)(phba, abort_iocb, abort_iocb); |
James Smart | 2680eea | 2007-04-25 09:52:55 -0400 | [diff] [blame] | 3368 | } |
| 3369 | } |
| 3370 | |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 3371 | lpfc_sli_release_iocbq(phba, cmdiocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3372 | return; |
| 3373 | } |
| 3374 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3375 | static void |
| 3376 | lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 3377 | struct lpfc_iocbq *rspiocb) |
| 3378 | { |
| 3379 | IOCB_t *irsp = &rspiocb->iocb; |
| 3380 | |
| 3381 | /* ELS cmd tag <ulpIoTag> completes */ |
| 3382 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3383 | "0133 Ignoring ELS cmd tag x%x completion Data: " |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3384 | "x%x x%x x%x\n", |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3385 | irsp->ulpIoTag, irsp->ulpStatus, |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3386 | irsp->un.ulpWord[4], irsp->ulpTimeout); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3387 | if (cmdiocb->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) |
| 3388 | lpfc_ct_free_iocb(phba, cmdiocb); |
| 3389 | else |
| 3390 | lpfc_els_free_iocb(phba, cmdiocb); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3391 | return; |
| 3392 | } |
| 3393 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3394 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3395 | lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
| 3396 | struct lpfc_iocbq *cmdiocb) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3397 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3398 | struct lpfc_vport *vport = cmdiocb->vport; |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 3399 | struct lpfc_iocbq *abtsiocbp; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3400 | IOCB_t *icmd = NULL; |
| 3401 | IOCB_t *iabt = NULL; |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame] | 3402 | int retval = IOCB_ERROR; |
| 3403 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3404 | /* |
| 3405 | * There are certain command types we don't want to abort. And we |
| 3406 | * don't want to abort commands that are already in the process of |
| 3407 | * being aborted. |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame] | 3408 | */ |
| 3409 | icmd = &cmdiocb->iocb; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3410 | if (icmd->ulpCommand == CMD_ABORT_XRI_CN || |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3411 | icmd->ulpCommand == CMD_CLOSE_XRI_CN || |
| 3412 | (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0) |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame] | 3413 | return 0; |
| 3414 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3415 | /* If we're unloading, don't abort iocb on the ELS ring, but change the |
| 3416 | * callback so that nothing happens when it finishes. |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame] | 3417 | */ |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3418 | if ((vport->load_flag & FC_UNLOADING) && |
| 3419 | (pring->ringno == LPFC_ELS_RING)) { |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3420 | if (cmdiocb->iocb_flag & LPFC_IO_FABRIC) |
| 3421 | cmdiocb->fabric_iocb_cmpl = lpfc_ignore_els_cmpl; |
| 3422 | else |
| 3423 | cmdiocb->iocb_cmpl = lpfc_ignore_els_cmpl; |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame] | 3424 | goto abort_iotag_exit; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3425 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3426 | |
| 3427 | /* issue ABTS for this IOCB based on iotag */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3428 | abtsiocbp = __lpfc_sli_get_iocbq(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3429 | if (abtsiocbp == NULL) |
| 3430 | return 0; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3431 | |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame] | 3432 | /* This signals the response to set the correct status |
| 3433 | * before calling the completion handler. |
| 3434 | */ |
| 3435 | cmdiocb->iocb_flag |= LPFC_DRIVER_ABORTED; |
| 3436 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3437 | iabt = &abtsiocbp->iocb; |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame] | 3438 | iabt->un.acxri.abortType = ABORT_TYPE_ABTS; |
| 3439 | iabt->un.acxri.abortContextTag = icmd->ulpContext; |
| 3440 | iabt->un.acxri.abortIoTag = icmd->ulpIoTag; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3441 | iabt->ulpLe = 1; |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame] | 3442 | iabt->ulpClass = icmd->ulpClass; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3443 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3444 | if (phba->link_state >= LPFC_LINK_UP) |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame] | 3445 | iabt->ulpCommand = CMD_ABORT_XRI_CN; |
| 3446 | else |
| 3447 | iabt->ulpCommand = CMD_CLOSE_XRI_CN; |
| 3448 | |
| 3449 | abtsiocbp->iocb_cmpl = lpfc_sli_abort_els_cmpl; |
James Smart | 5b8bd0c | 2007-04-25 09:52:49 -0400 | [diff] [blame] | 3450 | |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3451 | lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI, |
| 3452 | "0339 Abort xri x%x, original iotag x%x, " |
| 3453 | "abort cmd iotag x%x\n", |
| 3454 | iabt->un.acxri.abortContextTag, |
| 3455 | iabt->un.acxri.abortIoTag, abtsiocbp->iotag); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3456 | retval = __lpfc_sli_issue_iocb(phba, pring, abtsiocbp, 0); |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame] | 3457 | |
| 3458 | abort_iotag_exit: |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3459 | /* |
| 3460 | * Caller to this routine should check for IOCB_ERROR |
| 3461 | * and handle it properly. This routine no longer removes |
| 3462 | * iocb off txcmplq and call compl in case of IOCB_ERROR. |
James Smart | 0795107 | 2007-04-25 09:51:38 -0400 | [diff] [blame] | 3463 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3464 | return retval; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3465 | } |
| 3466 | |
| 3467 | static int |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 3468 | lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport, |
| 3469 | uint16_t tgt_id, uint64_t lun_id, |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 3470 | lpfc_ctx_cmd ctx_cmd) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3471 | { |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 3472 | struct lpfc_scsi_buf *lpfc_cmd; |
| 3473 | struct scsi_cmnd *cmnd; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3474 | int rc = 1; |
| 3475 | |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 3476 | if (!(iocbq->iocb_flag & LPFC_IO_FCP)) |
| 3477 | return rc; |
| 3478 | |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 3479 | if (iocbq->vport != vport) |
| 3480 | return rc; |
| 3481 | |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 3482 | lpfc_cmd = container_of(iocbq, struct lpfc_scsi_buf, cur_iocbq); |
| 3483 | cmnd = lpfc_cmd->pCmd; |
| 3484 | |
| 3485 | if (cmnd == NULL) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3486 | return rc; |
| 3487 | |
| 3488 | switch (ctx_cmd) { |
| 3489 | case LPFC_CTX_LUN: |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 3490 | if ((cmnd->device->id == tgt_id) && |
| 3491 | (cmnd->device->lun == lun_id)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3492 | rc = 0; |
| 3493 | break; |
| 3494 | case LPFC_CTX_TGT: |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 3495 | if (cmnd->device->id == tgt_id) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3496 | rc = 0; |
| 3497 | break; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3498 | case LPFC_CTX_HOST: |
| 3499 | rc = 0; |
| 3500 | break; |
| 3501 | default: |
| 3502 | printk(KERN_ERR "%s: Unknown context cmd type, value %d\n", |
| 3503 | __FUNCTION__, ctx_cmd); |
| 3504 | break; |
| 3505 | } |
| 3506 | |
| 3507 | return rc; |
| 3508 | } |
| 3509 | |
| 3510 | int |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 3511 | lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id, |
| 3512 | lpfc_ctx_cmd ctx_cmd) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3513 | { |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 3514 | struct lpfc_hba *phba = vport->phba; |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 3515 | struct lpfc_iocbq *iocbq; |
| 3516 | int sum, i; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3517 | |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 3518 | for (i = 1, sum = 0; i <= phba->sli.last_iotag; i++) { |
| 3519 | iocbq = phba->sli.iocbq_lookup[i]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3520 | |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 3521 | if (lpfc_sli_validate_fcp_iocb (iocbq, vport, tgt_id, lun_id, |
| 3522 | ctx_cmd) == 0) |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 3523 | sum++; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3524 | } |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 3525 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3526 | return sum; |
| 3527 | } |
| 3528 | |
James.Smart@Emulex.Com | 5eb95af | 2005-06-25 10:34:30 -0400 | [diff] [blame] | 3529 | void |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3530 | lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
| 3531 | struct lpfc_iocbq *rspiocb) |
James.Smart@Emulex.Com | 5eb95af | 2005-06-25 10:34:30 -0400 | [diff] [blame] | 3532 | { |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 3533 | lpfc_sli_release_iocbq(phba, cmdiocb); |
James.Smart@Emulex.Com | 5eb95af | 2005-06-25 10:34:30 -0400 | [diff] [blame] | 3534 | return; |
| 3535 | } |
| 3536 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3537 | int |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 3538 | lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, |
| 3539 | uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd abort_cmd) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3540 | { |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 3541 | struct lpfc_hba *phba = vport->phba; |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 3542 | struct lpfc_iocbq *iocbq; |
| 3543 | struct lpfc_iocbq *abtsiocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3544 | IOCB_t *cmd = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3545 | int errcnt = 0, ret_val = 0; |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 3546 | int i; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3547 | |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 3548 | for (i = 1; i <= phba->sli.last_iotag; i++) { |
| 3549 | iocbq = phba->sli.iocbq_lookup[i]; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3550 | |
James Smart | 51ef4c2 | 2007-08-02 11:10:31 -0400 | [diff] [blame] | 3551 | if (lpfc_sli_validate_fcp_iocb(iocbq, vport, tgt_id, lun_id, |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3552 | abort_cmd) != 0) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3553 | continue; |
| 3554 | |
| 3555 | /* issue ABTS for this IOCB based on iotag */ |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 3556 | abtsiocb = lpfc_sli_get_iocbq(phba); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3557 | if (abtsiocb == NULL) { |
| 3558 | errcnt++; |
| 3559 | continue; |
| 3560 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3561 | |
James.Smart@Emulex.Com | 0bd4ca2 | 2005-10-28 20:30:02 -0400 | [diff] [blame] | 3562 | cmd = &iocbq->iocb; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3563 | abtsiocb->iocb.un.acxri.abortType = ABORT_TYPE_ABTS; |
| 3564 | abtsiocb->iocb.un.acxri.abortContextTag = cmd->ulpContext; |
| 3565 | abtsiocb->iocb.un.acxri.abortIoTag = cmd->ulpIoTag; |
| 3566 | abtsiocb->iocb.ulpLe = 1; |
| 3567 | abtsiocb->iocb.ulpClass = cmd->ulpClass; |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3568 | abtsiocb->vport = phba->pport; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3569 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3570 | if (lpfc_is_link_up(phba)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3571 | abtsiocb->iocb.ulpCommand = CMD_ABORT_XRI_CN; |
| 3572 | else |
| 3573 | abtsiocb->iocb.ulpCommand = CMD_CLOSE_XRI_CN; |
| 3574 | |
James.Smart@Emulex.Com | 5eb95af | 2005-06-25 10:34:30 -0400 | [diff] [blame] | 3575 | /* Setup callback routine and issue the command. */ |
| 3576 | abtsiocb->iocb_cmpl = lpfc_sli_abort_fcp_cmpl; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3577 | ret_val = lpfc_sli_issue_iocb(phba, pring, abtsiocb, 0); |
| 3578 | if (ret_val == IOCB_ERROR) { |
James Bottomley | 604a3e3 | 2005-10-29 10:28:33 -0500 | [diff] [blame] | 3579 | lpfc_sli_release_iocbq(phba, abtsiocb); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3580 | errcnt++; |
| 3581 | continue; |
| 3582 | } |
| 3583 | } |
| 3584 | |
| 3585 | return errcnt; |
| 3586 | } |
| 3587 | |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3588 | static void |
| 3589 | lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba, |
| 3590 | struct lpfc_iocbq *cmdiocbq, |
| 3591 | struct lpfc_iocbq *rspiocbq) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3592 | { |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3593 | wait_queue_head_t *pdone_q; |
| 3594 | unsigned long iflags; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3595 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3596 | spin_lock_irqsave(&phba->hbalock, iflags); |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3597 | cmdiocbq->iocb_flag |= LPFC_IO_WAKE; |
| 3598 | if (cmdiocbq->context2 && rspiocbq) |
| 3599 | memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb, |
| 3600 | &rspiocbq->iocb, sizeof(IOCB_t)); |
| 3601 | |
| 3602 | pdone_q = cmdiocbq->context_un.wait_queue; |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3603 | if (pdone_q) |
| 3604 | wake_up(pdone_q); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3605 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3606 | return; |
| 3607 | } |
| 3608 | |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3609 | /* |
| 3610 | * Issue the caller's iocb and wait for its completion, but no longer than the |
| 3611 | * caller's timeout. Note that iocb_flags is cleared before the |
| 3612 | * lpfc_sli_issue_call since the wake routine sets a unique value and by |
| 3613 | * definition this is a wait function. |
| 3614 | */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3615 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3616 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3617 | lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba, |
| 3618 | struct lpfc_sli_ring *pring, |
| 3619 | struct lpfc_iocbq *piocb, |
| 3620 | struct lpfc_iocbq *prspiocbq, |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3621 | uint32_t timeout) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3622 | { |
Peter Zijlstra | 7259f0d | 2006-10-29 22:46:36 -0800 | [diff] [blame] | 3623 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q); |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3624 | long timeleft, timeout_req = 0; |
| 3625 | int retval = IOCB_SUCCESS; |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 3626 | uint32_t creg_val; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3627 | |
| 3628 | /* |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3629 | * If the caller has provided a response iocbq buffer, then context2 |
| 3630 | * is NULL or its an error. |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3631 | */ |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3632 | if (prspiocbq) { |
| 3633 | if (piocb->context2) |
| 3634 | return IOCB_ERROR; |
| 3635 | piocb->context2 = prspiocbq; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3636 | } |
| 3637 | |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3638 | piocb->iocb_cmpl = lpfc_sli_wake_iocb_wait; |
| 3639 | piocb->context_un.wait_queue = &done_q; |
| 3640 | piocb->iocb_flag &= ~LPFC_IO_WAKE; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3641 | |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 3642 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
| 3643 | creg_val = readl(phba->HCregaddr); |
| 3644 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); |
| 3645 | writel(creg_val, phba->HCregaddr); |
| 3646 | readl(phba->HCregaddr); /* flush */ |
| 3647 | } |
| 3648 | |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3649 | retval = lpfc_sli_issue_iocb(phba, pring, piocb, 0); |
| 3650 | if (retval == IOCB_SUCCESS) { |
| 3651 | timeout_req = timeout * HZ; |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3652 | timeleft = wait_event_timeout(done_q, |
| 3653 | piocb->iocb_flag & LPFC_IO_WAKE, |
| 3654 | timeout_req); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3655 | |
James Smart | 7054a60 | 2007-04-25 09:52:34 -0400 | [diff] [blame] | 3656 | if (piocb->iocb_flag & LPFC_IO_WAKE) { |
| 3657 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3658 | "0331 IOCB wake signaled\n"); |
James Smart | 7054a60 | 2007-04-25 09:52:34 -0400 | [diff] [blame] | 3659 | } else if (timeleft == 0) { |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3660 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3661 | "0338 IOCB wait timeout error - no " |
| 3662 | "wake response Data x%x\n", timeout); |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3663 | retval = IOCB_TIMEDOUT; |
James Smart | 7054a60 | 2007-04-25 09:52:34 -0400 | [diff] [blame] | 3664 | } else { |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3665 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3666 | "0330 IOCB wake NOT set, " |
| 3667 | "Data x%x x%lx\n", |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3668 | timeout, (timeleft / jiffies)); |
| 3669 | retval = IOCB_TIMEDOUT; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3670 | } |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3671 | } else { |
| 3672 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3673 | ":0332 IOCB wait issue failed, Data x%x\n", |
| 3674 | retval); |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3675 | retval = IOCB_ERROR; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3676 | } |
| 3677 | |
James.Smart@Emulex.Com | 875fbdf | 2005-11-29 16:32:13 -0500 | [diff] [blame] | 3678 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
| 3679 | creg_val = readl(phba->HCregaddr); |
| 3680 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); |
| 3681 | writel(creg_val, phba->HCregaddr); |
| 3682 | readl(phba->HCregaddr); /* flush */ |
| 3683 | } |
| 3684 | |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3685 | if (prspiocbq) |
| 3686 | piocb->context2 = NULL; |
| 3687 | |
| 3688 | piocb->context_un.wait_queue = NULL; |
| 3689 | piocb->iocb_cmpl = NULL; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3690 | return retval; |
| 3691 | } |
James.Smart@Emulex.Com | 6887692 | 2005-10-28 20:29:47 -0400 | [diff] [blame] | 3692 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3693 | int |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3694 | lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq, |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3695 | uint32_t timeout) |
| 3696 | { |
Peter Zijlstra | 7259f0d | 2006-10-29 22:46:36 -0800 | [diff] [blame] | 3697 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3698 | int retval; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3699 | unsigned long flag; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3700 | |
| 3701 | /* The caller must leave context1 empty. */ |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3702 | if (pmboxq->context1 != 0) |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3703 | return MBX_NOT_FINISHED; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3704 | |
| 3705 | /* setup wake call as IOCB callback */ |
| 3706 | pmboxq->mbox_cmpl = lpfc_sli_wake_mbox_wait; |
| 3707 | /* setup context field to pass wait_queue pointer to wake function */ |
| 3708 | pmboxq->context1 = &done_q; |
| 3709 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3710 | /* now issue the command */ |
| 3711 | retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); |
| 3712 | |
| 3713 | if (retval == MBX_BUSY || retval == MBX_SUCCESS) { |
James Smart | 7054a60 | 2007-04-25 09:52:34 -0400 | [diff] [blame] | 3714 | wait_event_interruptible_timeout(done_q, |
| 3715 | pmboxq->mbox_flag & LPFC_MBX_WAKE, |
| 3716 | timeout * HZ); |
| 3717 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3718 | spin_lock_irqsave(&phba->hbalock, flag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3719 | pmboxq->context1 = NULL; |
James Smart | 7054a60 | 2007-04-25 09:52:34 -0400 | [diff] [blame] | 3720 | /* |
| 3721 | * if LPFC_MBX_WAKE flag is set the mailbox is completed |
| 3722 | * else do not free the resources. |
| 3723 | */ |
| 3724 | if (pmboxq->mbox_flag & LPFC_MBX_WAKE) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3725 | retval = MBX_SUCCESS; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3726 | else { |
James Smart | 7054a60 | 2007-04-25 09:52:34 -0400 | [diff] [blame] | 3727 | retval = MBX_TIMEOUT; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3728 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| 3729 | } |
| 3730 | spin_unlock_irqrestore(&phba->hbalock, flag); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3731 | } |
| 3732 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3733 | return retval; |
| 3734 | } |
| 3735 | |
James Smart | b4c0265 | 2006-07-06 15:50:43 -0400 | [diff] [blame] | 3736 | int |
| 3737 | lpfc_sli_flush_mbox_queue(struct lpfc_hba * phba) |
| 3738 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3739 | struct lpfc_vport *vport = phba->pport; |
James Smart | b4c0265 | 2006-07-06 15:50:43 -0400 | [diff] [blame] | 3740 | int i = 0; |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3741 | uint32_t ha_copy; |
James Smart | b4c0265 | 2006-07-06 15:50:43 -0400 | [diff] [blame] | 3742 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3743 | while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE && !vport->stopped) { |
James Smart | b4c0265 | 2006-07-06 15:50:43 -0400 | [diff] [blame] | 3744 | if (i++ > LPFC_MBOX_TMO * 1000) |
| 3745 | return 1; |
| 3746 | |
James Smart | ed95768 | 2007-06-17 19:56:37 -0500 | [diff] [blame] | 3747 | /* |
| 3748 | * Call lpfc_sli_handle_mb_event only if a mailbox cmd |
| 3749 | * did finish. This way we won't get the misleading |
| 3750 | * "Stray Mailbox Interrupt" message. |
| 3751 | */ |
| 3752 | spin_lock_irq(&phba->hbalock); |
| 3753 | ha_copy = phba->work_ha; |
| 3754 | phba->work_ha &= ~HA_MBATT; |
| 3755 | spin_unlock_irq(&phba->hbalock); |
| 3756 | |
| 3757 | if (ha_copy & HA_MBATT) |
| 3758 | if (lpfc_sli_handle_mb_event(phba) == 0) |
| 3759 | i = 0; |
James Smart | b4c0265 | 2006-07-06 15:50:43 -0400 | [diff] [blame] | 3760 | |
| 3761 | msleep(1); |
| 3762 | } |
| 3763 | |
| 3764 | return (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) ? 1 : 0; |
| 3765 | } |
| 3766 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3767 | irqreturn_t |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 3768 | lpfc_intr_handler(int irq, void *dev_id) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3769 | { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3770 | struct lpfc_hba *phba; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3771 | uint32_t ha_copy; |
| 3772 | uint32_t work_ha_copy; |
| 3773 | unsigned long status; |
| 3774 | int i; |
| 3775 | uint32_t control; |
| 3776 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3777 | MAILBOX_t *mbox, *pmbox; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3778 | struct lpfc_vport *vport; |
| 3779 | struct lpfc_nodelist *ndlp; |
| 3780 | struct lpfc_dmabuf *mp; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3781 | LPFC_MBOXQ_t *pmb; |
| 3782 | int rc; |
| 3783 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3784 | /* |
| 3785 | * Get the driver's phba structure from the dev_id and |
| 3786 | * assume the HBA is not interrupting. |
| 3787 | */ |
| 3788 | phba = (struct lpfc_hba *) dev_id; |
| 3789 | |
| 3790 | if (unlikely(!phba)) |
| 3791 | return IRQ_NONE; |
| 3792 | |
Linas Vepstas | 8d63f37 | 2007-02-14 14:28:36 -0600 | [diff] [blame] | 3793 | /* If the pci channel is offline, ignore all the interrupts. */ |
| 3794 | if (unlikely(pci_channel_offline(phba->pcidev))) |
| 3795 | return IRQ_NONE; |
| 3796 | |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3797 | phba->sli.slistat.sli_intr++; |
| 3798 | |
| 3799 | /* |
| 3800 | * Call the HBA to see if it is interrupting. If not, don't claim |
| 3801 | * the interrupt |
| 3802 | */ |
| 3803 | |
| 3804 | /* Ignore all interrupts during initialization. */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3805 | if (unlikely(phba->link_state < LPFC_LINK_DOWN)) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3806 | return IRQ_NONE; |
| 3807 | |
| 3808 | /* |
| 3809 | * Read host attention register to determine interrupt source |
| 3810 | * Clear Attention Sources, except Error Attention (to |
| 3811 | * preserve status) and Link Attention |
| 3812 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3813 | spin_lock(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3814 | ha_copy = readl(phba->HAregaddr); |
James Smart | ebdbe65 | 2007-04-25 09:53:15 -0400 | [diff] [blame] | 3815 | /* If somebody is waiting to handle an eratt don't process it |
| 3816 | * here. The brdkill function will do this. |
| 3817 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3818 | if (phba->link_flag & LS_IGNORE_ERATT) |
James Smart | ebdbe65 | 2007-04-25 09:53:15 -0400 | [diff] [blame] | 3819 | ha_copy &= ~HA_ERATT; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3820 | writel((ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr); |
| 3821 | readl(phba->HAregaddr); /* flush */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3822 | spin_unlock(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3823 | |
| 3824 | if (unlikely(!ha_copy)) |
| 3825 | return IRQ_NONE; |
| 3826 | |
| 3827 | work_ha_copy = ha_copy & phba->work_ha_mask; |
| 3828 | |
| 3829 | if (unlikely(work_ha_copy)) { |
| 3830 | if (work_ha_copy & HA_LATT) { |
| 3831 | if (phba->sli.sli_flag & LPFC_PROCESS_LA) { |
| 3832 | /* |
| 3833 | * Turn off Link Attention interrupts |
| 3834 | * until CLEAR_LA done |
| 3835 | */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3836 | spin_lock(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3837 | phba->sli.sli_flag &= ~LPFC_PROCESS_LA; |
| 3838 | control = readl(phba->HCregaddr); |
| 3839 | control &= ~HC_LAINT_ENA; |
| 3840 | writel(control, phba->HCregaddr); |
| 3841 | readl(phba->HCregaddr); /* flush */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3842 | spin_unlock(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3843 | } |
| 3844 | else |
| 3845 | work_ha_copy &= ~HA_LATT; |
| 3846 | } |
| 3847 | |
| 3848 | if (work_ha_copy & ~(HA_ERATT|HA_MBATT|HA_LATT)) { |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3849 | /* |
| 3850 | * Turn off Slow Rings interrupts, LPFC_ELS_RING is |
| 3851 | * the only slow ring. |
| 3852 | */ |
| 3853 | status = (work_ha_copy & |
| 3854 | (HA_RXMASK << (4*LPFC_ELS_RING))); |
| 3855 | status >>= (4*LPFC_ELS_RING); |
| 3856 | if (status & HA_RXMASK) { |
| 3857 | spin_lock(&phba->hbalock); |
| 3858 | control = readl(phba->HCregaddr); |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 3859 | |
| 3860 | lpfc_debugfs_slow_ring_trc(phba, |
| 3861 | "ISR slow ring: ctl:x%x stat:x%x isrcnt:x%x", |
| 3862 | control, status, |
| 3863 | (uint32_t)phba->sli.slistat.sli_intr); |
| 3864 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3865 | if (control & (HC_R0INT_ENA << LPFC_ELS_RING)) { |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 3866 | lpfc_debugfs_slow_ring_trc(phba, |
| 3867 | "ISR Disable ring:" |
| 3868 | "pwork:x%x hawork:x%x wait:x%x", |
| 3869 | phba->work_ha, work_ha_copy, |
| 3870 | (uint32_t)((unsigned long) |
| 3871 | phba->work_wait)); |
| 3872 | |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3873 | control &= |
| 3874 | ~(HC_R0INT_ENA << LPFC_ELS_RING); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3875 | writel(control, phba->HCregaddr); |
| 3876 | readl(phba->HCregaddr); /* flush */ |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3877 | } |
James Smart | a58cbd5 | 2007-08-02 11:09:43 -0400 | [diff] [blame] | 3878 | else { |
| 3879 | lpfc_debugfs_slow_ring_trc(phba, |
| 3880 | "ISR slow ring: pwork:" |
| 3881 | "x%x hawork:x%x wait:x%x", |
| 3882 | phba->work_ha, work_ha_copy, |
| 3883 | (uint32_t)((unsigned long) |
| 3884 | phba->work_wait)); |
| 3885 | } |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3886 | spin_unlock(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3887 | } |
| 3888 | } |
| 3889 | |
| 3890 | if (work_ha_copy & HA_ERATT) { |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3891 | phba->link_state = LPFC_HBA_ERROR; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3892 | /* |
| 3893 | * There was a link/board error. Read the |
| 3894 | * status register to retrieve the error event |
| 3895 | * and process it. |
| 3896 | */ |
| 3897 | phba->sli.slistat.err_attn_event++; |
| 3898 | /* Save status info */ |
| 3899 | phba->work_hs = readl(phba->HSregaddr); |
| 3900 | phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); |
| 3901 | phba->work_status[1] = readl(phba->MBslimaddr + 0xac); |
| 3902 | |
| 3903 | /* Clear Chip error bit */ |
| 3904 | writel(HA_ERATT, phba->HAregaddr); |
| 3905 | readl(phba->HAregaddr); /* flush */ |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 3906 | phba->pport->stopped = 1; |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 3907 | } |
| 3908 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3909 | if ((work_ha_copy & HA_MBATT) && |
| 3910 | (phba->sli.mbox_active)) { |
| 3911 | pmb = phba->sli.mbox_active; |
| 3912 | pmbox = &pmb->mb; |
| 3913 | mbox = &phba->slim2p->mbx; |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3914 | vport = pmb->vport; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3915 | |
| 3916 | /* First check out the status word */ |
| 3917 | lpfc_sli_pcimem_bcopy(mbox, pmbox, sizeof(uint32_t)); |
| 3918 | if (pmbox->mbxOwner != OWN_HOST) { |
| 3919 | /* |
| 3920 | * Stray Mailbox Interrupt, mbxCommand <cmd> |
| 3921 | * mbxStatus <status> |
| 3922 | */ |
| 3923 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | |
| 3924 | LOG_SLI, |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3925 | "(%d):0304 Stray Mailbox " |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3926 | "Interrupt mbxCommand x%x " |
| 3927 | "mbxStatus x%x\n", |
James Smart | e8b6201 | 2007-08-02 11:10:09 -0400 | [diff] [blame] | 3928 | (vport ? vport->vpi : 0), |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3929 | pmbox->mbxCommand, |
| 3930 | pmbox->mbxStatus); |
| 3931 | } |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3932 | phba->last_completion_time = jiffies; |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3933 | del_timer_sync(&phba->sli.mbox_tmo); |
| 3934 | |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3935 | phba->sli.mbox_active = NULL; |
| 3936 | if (pmb->mbox_cmpl) { |
| 3937 | lpfc_sli_pcimem_bcopy(mbox, pmbox, |
| 3938 | MAILBOX_CMD_SIZE); |
| 3939 | } |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3940 | if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) { |
| 3941 | pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG; |
| 3942 | |
| 3943 | lpfc_debugfs_disc_trc(vport, |
| 3944 | LPFC_DISC_TRC_MBOX_VPORT, |
| 3945 | "MBOX dflt rpi: : status:x%x rpi:x%x", |
| 3946 | (uint32_t)pmbox->mbxStatus, |
| 3947 | pmbox->un.varWords[0], 0); |
| 3948 | |
| 3949 | if ( !pmbox->mbxStatus) { |
| 3950 | mp = (struct lpfc_dmabuf *) |
| 3951 | (pmb->context1); |
| 3952 | ndlp = (struct lpfc_nodelist *) |
| 3953 | pmb->context2; |
| 3954 | |
| 3955 | /* Reg_LOGIN of dflt RPI was successful. |
| 3956 | * new lets get rid of the RPI using the |
| 3957 | * same mbox buffer. |
| 3958 | */ |
| 3959 | lpfc_unreg_login(phba, vport->vpi, |
| 3960 | pmbox->un.varWords[0], pmb); |
| 3961 | pmb->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; |
| 3962 | pmb->context1 = mp; |
| 3963 | pmb->context2 = ndlp; |
| 3964 | pmb->vport = vport; |
| 3965 | spin_lock(&phba->hbalock); |
| 3966 | phba->sli.sli_flag &= |
| 3967 | ~LPFC_SLI_MBOX_ACTIVE; |
| 3968 | spin_unlock(&phba->hbalock); |
| 3969 | goto send_current_mbox; |
| 3970 | } |
| 3971 | } |
| 3972 | spin_lock(&phba->pport->work_port_lock); |
| 3973 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; |
| 3974 | spin_unlock(&phba->pport->work_port_lock); |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3975 | lpfc_mbox_cmpl_put(phba, pmb); |
| 3976 | } |
| 3977 | if ((work_ha_copy & HA_MBATT) && |
| 3978 | (phba->sli.mbox_active == NULL)) { |
| 3979 | send_next_mbox: |
| 3980 | spin_lock(&phba->hbalock); |
| 3981 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
| 3982 | pmb = lpfc_mbox_get(phba); |
| 3983 | spin_unlock(&phba->hbalock); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 3984 | send_current_mbox: |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 3985 | /* Process next mailbox command if there is one */ |
| 3986 | if (pmb != NULL) { |
| 3987 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
| 3988 | if (rc == MBX_NOT_FINISHED) { |
| 3989 | pmb->mb.mbxStatus = MBX_NOT_FINISHED; |
| 3990 | lpfc_mbox_cmpl_put(phba, pmb); |
| 3991 | goto send_next_mbox; |
| 3992 | } |
| 3993 | } else { |
| 3994 | /* Turn on IOCB processing */ |
| 3995 | for (i = 0; i < phba->sli.num_rings; i++) |
| 3996 | lpfc_sli_turn_on_ring(phba, i); |
| 3997 | } |
| 3998 | |
| 3999 | } |
| 4000 | |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4001 | spin_lock(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4002 | phba->work_ha |= work_ha_copy; |
| 4003 | if (phba->work_wait) |
James Smart | 92d7f7b | 2007-06-17 19:56:38 -0500 | [diff] [blame] | 4004 | lpfc_worker_wake_up(phba); |
James Smart | 2e0fef8 | 2007-06-17 19:56:36 -0500 | [diff] [blame] | 4005 | spin_unlock(&phba->hbalock); |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4006 | } |
| 4007 | |
| 4008 | ha_copy &= ~(phba->work_ha_mask); |
| 4009 | |
| 4010 | /* |
| 4011 | * Process all events on FCP ring. Take the optimized path for |
| 4012 | * FCP IO. Any other IO is slow path and is handled by |
| 4013 | * the worker thread. |
| 4014 | */ |
| 4015 | status = (ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING))); |
| 4016 | status >>= (4*LPFC_FCP_RING); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4017 | if (status & HA_RXMASK) |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4018 | lpfc_sli_handle_fast_ring_event(phba, |
| 4019 | &phba->sli.ring[LPFC_FCP_RING], |
| 4020 | status); |
James Smart | a4bc337 | 2006-12-02 13:34:16 -0500 | [diff] [blame] | 4021 | |
| 4022 | if (phba->cfg_multi_ring_support == 2) { |
| 4023 | /* |
| 4024 | * Process all events on extra ring. Take the optimized path |
| 4025 | * for extra ring IO. Any other IO is slow path and is handled |
| 4026 | * by the worker thread. |
| 4027 | */ |
| 4028 | status = (ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING))); |
| 4029 | status >>= (4*LPFC_EXTRA_RING); |
James Smart | 858c9f6 | 2007-06-17 19:56:39 -0500 | [diff] [blame] | 4030 | if (status & HA_RXMASK) { |
James Smart | a4bc337 | 2006-12-02 13:34:16 -0500 | [diff] [blame] | 4031 | lpfc_sli_handle_fast_ring_event(phba, |
| 4032 | &phba->sli.ring[LPFC_EXTRA_RING], |
| 4033 | status); |
| 4034 | } |
| 4035 | } |
| dea3101 | 2005-04-17 16:05:31 -0500 | [diff] [blame] | 4036 | return IRQ_HANDLED; |
| 4037 | |
| 4038 | } /* lpfc_intr_handler */ |