1dea3101eS /******************************************************************* 2dea3101eS * This file is part of the Emulex Linux Device Driver for * 3c44ce173SJames.Smart@Emulex.Com * Fibre Channel Host Bus Adapters. * 49399627fSJames Smart * Copyright (C) 2004-2008 Emulex. All rights reserved. * 5c44ce173SJames.Smart@Emulex.Com * EMULEX and SLI are trademarks of Emulex. * 6dea3101eS * www.emulex.com * 7c44ce173SJames.Smart@Emulex.Com * Portions Copyright (C) 2004-2005 Christoph Hellwig * 8dea3101eS * * 9dea3101eS * This program is free software; you can redistribute it and/or * 10c44ce173SJames.Smart@Emulex.Com * modify it under the terms of version 2 of the GNU General * 11c44ce173SJames.Smart@Emulex.Com * Public License as published by the Free Software Foundation. * 12c44ce173SJames.Smart@Emulex.Com * This program is distributed in the hope that it will be useful. * 13c44ce173SJames.Smart@Emulex.Com * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * 14c44ce173SJames.Smart@Emulex.Com * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * 15c44ce173SJames.Smart@Emulex.Com * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * 16c44ce173SJames.Smart@Emulex.Com * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * 17c44ce173SJames.Smart@Emulex.Com * TO BE LEGALLY INVALID. See the GNU General Public License for * 18c44ce173SJames.Smart@Emulex.Com * more details, a copy of which can be found in the file COPYING * 19c44ce173SJames.Smart@Emulex.Com * included with this package. * 20dea3101eS *******************************************************************/ 21dea3101eS 22dea3101eS #include <linux/blkdev.h> 23dea3101eS #include <linux/pci.h> 24dea3101eS #include <linux/interrupt.h> 25dea3101eS 26f888ba3cSJames.Smart@Emulex.Com #include <scsi/scsi_device.h> 27f888ba3cSJames.Smart@Emulex.Com #include <scsi/scsi_transport_fc.h> 28f888ba3cSJames.Smart@Emulex.Com 2991886523SJames.Smart@Emulex.Com #include <scsi/scsi.h> 3091886523SJames.Smart@Emulex.Com 31dea3101eS #include "lpfc_hw.h" 32dea3101eS #include "lpfc_sli.h" 33ea2151b4SJames Smart #include "lpfc_nl.h" 34dea3101eS #include "lpfc_disc.h" 35dea3101eS #include "lpfc_scsi.h" 36dea3101eS #include "lpfc.h" 37dea3101eS #include "lpfc_logmsg.h" 38dea3101eS #include "lpfc_crtn.h" 39dea3101eS #include "lpfc_compat.h" 40dea3101eS 41e59058c4SJames Smart /** 42e59058c4SJames Smart * lpfc_dump_mem: Prepare a mailbox command for retrieving HBA's VPD memory. 43e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 44e59058c4SJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 45e59058c4SJames Smart * @offset: offset for dumping VPD memory mailbox command. 46e59058c4SJames Smart * 47e59058c4SJames Smart * The dump mailbox command provides a method for the device driver to obtain 48e59058c4SJames Smart * various types of information from the HBA device. 49e59058c4SJames Smart * 50e59058c4SJames Smart * This routine prepares the mailbox command for dumping HBA Vital Product 51e59058c4SJames Smart * Data (VPD) memory. This mailbox command is to be used for retrieving a 52e59058c4SJames Smart * portion (DMP_RSP_SIZE bytes) of a HBA's VPD from the HBA at an address 53e59058c4SJames Smart * offset specified by the offset parameter. 54e59058c4SJames Smart **/ 55dea3101eS void 56dea3101eS lpfc_dump_mem(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint16_t offset) 57dea3101eS { 58dea3101eS MAILBOX_t *mb; 59dea3101eS void *ctx; 60dea3101eS 61dea3101eS mb = &pmb->mb; 62dea3101eS ctx = pmb->context2; 63dea3101eS 64dea3101eS /* Setup to dump VPD region */ 65dea3101eS memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 66dea3101eS mb->mbxCommand = MBX_DUMP_MEMORY; 67dea3101eS mb->un.varDmp.cv = 1; 68dea3101eS mb->un.varDmp.type = DMP_NV_PARAMS; 69dea3101eS mb->un.varDmp.entry_index = offset; 70dea3101eS mb->un.varDmp.region_id = DMP_REGION_VPD; 71dea3101eS mb->un.varDmp.word_cnt = (DMP_RSP_SIZE / sizeof (uint32_t)); 72dea3101eS mb->un.varDmp.co = 0; 73dea3101eS mb->un.varDmp.resp_offset = 0; 74dea3101eS pmb->context2 = ctx; 75dea3101eS mb->mbxOwner = OWN_HOST; 76dea3101eS return; 77dea3101eS } 78dea3101eS 79e59058c4SJames Smart /** 8097207482SJames Smart * lpfc_dump_mem: Prepare a mailbox command for retrieving wakeup params. 8197207482SJames Smart * @phba: pointer to lpfc hba data structure. 8297207482SJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 8397207482SJames Smart * This function create a dump memory mailbox command to dump wake up 8497207482SJames Smart * parameters. 8597207482SJames Smart */ 8697207482SJames Smart void 8797207482SJames Smart lpfc_dump_wakeup_param(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 8897207482SJames Smart { 8997207482SJames Smart MAILBOX_t *mb; 9097207482SJames Smart void *ctx; 9197207482SJames Smart 9297207482SJames Smart mb = &pmb->mb; 9397207482SJames Smart /* Save context so that we can restore after memset */ 9497207482SJames Smart ctx = pmb->context2; 9597207482SJames Smart 9697207482SJames Smart /* Setup to dump VPD region */ 9797207482SJames Smart memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 9897207482SJames Smart mb->mbxCommand = MBX_DUMP_MEMORY; 9997207482SJames Smart mb->mbxOwner = OWN_HOST; 10097207482SJames Smart mb->un.varDmp.cv = 1; 10197207482SJames Smart mb->un.varDmp.type = DMP_NV_PARAMS; 10297207482SJames Smart mb->un.varDmp.entry_index = 0; 10397207482SJames Smart mb->un.varDmp.region_id = WAKE_UP_PARMS_REGION_ID; 10497207482SJames Smart mb->un.varDmp.word_cnt = WAKE_UP_PARMS_WORD_SIZE; 10597207482SJames Smart mb->un.varDmp.co = 0; 10697207482SJames Smart mb->un.varDmp.resp_offset = 0; 10797207482SJames Smart pmb->context2 = ctx; 10897207482SJames Smart return; 10997207482SJames Smart } 11097207482SJames Smart 11197207482SJames Smart /** 112e59058c4SJames Smart * lpfc_read_nv: Prepare a mailbox command for reading HBA's NVRAM param. 113e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 114e59058c4SJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 115e59058c4SJames Smart * 116e59058c4SJames Smart * The read NVRAM mailbox command returns the HBA's non-volatile parameters 117e59058c4SJames Smart * that are used as defaults when the Fibre Channel link is brought on-line. 118e59058c4SJames Smart * 119e59058c4SJames Smart * This routine prepares the mailbox command for reading information stored 120e59058c4SJames Smart * in the HBA's NVRAM. Specifically, the HBA's WWNN and WWPN. 121e59058c4SJames Smart **/ 122dea3101eS void 123dea3101eS lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 124dea3101eS { 125dea3101eS MAILBOX_t *mb; 126dea3101eS 127dea3101eS mb = &pmb->mb; 128dea3101eS memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 129dea3101eS mb->mbxCommand = MBX_READ_NV; 130dea3101eS mb->mbxOwner = OWN_HOST; 131dea3101eS return; 132dea3101eS } 133dea3101eS 134e59058c4SJames Smart /** 135e59058c4SJames Smart * lpfc_config_async: Prepare a mailbox command for enabling HBA async event. 136e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 137e59058c4SJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 138e59058c4SJames Smart * @ring: ring number for the asynchronous event to be configured. 139e59058c4SJames Smart * 140e59058c4SJames Smart * The asynchronous event enable mailbox command is used to enable the 141e59058c4SJames Smart * asynchronous event posting via the ASYNC_STATUS_CN IOCB response and 142e59058c4SJames Smart * specifies the default ring to which events are posted. 143e59058c4SJames Smart * 144e59058c4SJames Smart * This routine prepares the mailbox command for enabling HBA asynchronous 145e59058c4SJames Smart * event support on a IOCB ring. 146e59058c4SJames Smart **/ 14757127f15SJames Smart void 14857127f15SJames Smart lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, 14957127f15SJames Smart uint32_t ring) 15057127f15SJames Smart { 15157127f15SJames Smart MAILBOX_t *mb; 15257127f15SJames Smart 15357127f15SJames Smart mb = &pmb->mb; 15457127f15SJames Smart memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 15557127f15SJames Smart mb->mbxCommand = MBX_ASYNCEVT_ENABLE; 15657127f15SJames Smart mb->un.varCfgAsyncEvent.ring = ring; 15757127f15SJames Smart mb->mbxOwner = OWN_HOST; 15857127f15SJames Smart return; 15957127f15SJames Smart } 16057127f15SJames Smart 161e59058c4SJames Smart /** 162e59058c4SJames Smart * lpfc_heart_beat: Prepare a mailbox command for heart beat. 163e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 164e59058c4SJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 165e59058c4SJames Smart * 166e59058c4SJames Smart * The heart beat mailbox command is used to detect an unresponsive HBA, which 167e59058c4SJames Smart * is defined as any device where no error attention is sent and both mailbox 168e59058c4SJames Smart * and rings are not processed. 169e59058c4SJames Smart * 170e59058c4SJames Smart * This routine prepares the mailbox command for issuing a heart beat in the 171e59058c4SJames Smart * form of mailbox command to the HBA. The timely completion of the heart 172e59058c4SJames Smart * beat mailbox command indicates the health of the HBA. 173e59058c4SJames Smart **/ 174858c9f6cSJames Smart void 175858c9f6cSJames Smart lpfc_heart_beat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 176858c9f6cSJames Smart { 177858c9f6cSJames Smart MAILBOX_t *mb; 178858c9f6cSJames Smart 179858c9f6cSJames Smart mb = &pmb->mb; 180858c9f6cSJames Smart memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 181858c9f6cSJames Smart mb->mbxCommand = MBX_HEARTBEAT; 182858c9f6cSJames Smart mb->mbxOwner = OWN_HOST; 183858c9f6cSJames Smart return; 184858c9f6cSJames Smart } 185858c9f6cSJames Smart 186e59058c4SJames Smart /** 187e59058c4SJames Smart * lpfc_read_la: Prepare a mailbox command for reading HBA link attention. 188e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 189e59058c4SJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 190e59058c4SJames Smart * @mp: DMA buffer memory for reading the link attention information into. 191e59058c4SJames Smart * 192e59058c4SJames Smart * The read link attention mailbox command is issued to read the Link Event 193e59058c4SJames Smart * Attention information indicated by the HBA port when the Link Event bit 194e59058c4SJames Smart * of the Host Attention (HSTATT) register is set to 1. A Link Event 195e59058c4SJames Smart * Attention occurs based on an exception detected at the Fibre Channel link 196e59058c4SJames Smart * interface. 197e59058c4SJames Smart * 198e59058c4SJames Smart * This routine prepares the mailbox command for reading HBA link attention 199e59058c4SJames Smart * information. A DMA memory has been set aside and address passed to the 200e59058c4SJames Smart * HBA through @mp for the HBA to DMA link attention information into the 201e59058c4SJames Smart * memory as part of the execution of the mailbox command. 202e59058c4SJames Smart * 203e59058c4SJames Smart * Return codes 204e59058c4SJames Smart * 0 - Success (currently always return 0) 205e59058c4SJames Smart **/ 206dea3101eS int 207dea3101eS lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, struct lpfc_dmabuf *mp) 208dea3101eS { 209dea3101eS MAILBOX_t *mb; 210dea3101eS struct lpfc_sli *psli; 211dea3101eS 212dea3101eS psli = &phba->sli; 213dea3101eS mb = &pmb->mb; 214dea3101eS memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 215dea3101eS 216dea3101eS INIT_LIST_HEAD(&mp->list); 217dea3101eS mb->mbxCommand = MBX_READ_LA64; 218dea3101eS mb->un.varReadLA.un.lilpBde64.tus.f.bdeSize = 128; 219dea3101eS mb->un.varReadLA.un.lilpBde64.addrHigh = putPaddrHigh(mp->phys); 220dea3101eS mb->un.varReadLA.un.lilpBde64.addrLow = putPaddrLow(mp->phys); 221dea3101eS 222dea3101eS /* Save address for later completion and set the owner to host so that 223dea3101eS * the FW knows this mailbox is available for processing. 224dea3101eS */ 225dea3101eS pmb->context1 = (uint8_t *) mp; 226dea3101eS mb->mbxOwner = OWN_HOST; 22792d7f7b0SJames Smart return (0); 228dea3101eS } 229dea3101eS 230e59058c4SJames Smart /** 231e59058c4SJames Smart * lpfc_clear_la: Prepare a mailbox command for clearing HBA link attention. 232e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 233e59058c4SJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 234e59058c4SJames Smart * 235e59058c4SJames Smart * The clear link attention mailbox command is issued to clear the link event 236e59058c4SJames Smart * attention condition indicated by the Link Event bit of the Host Attention 237e59058c4SJames Smart * (HSTATT) register. The link event attention condition is cleared only if 238e59058c4SJames Smart * the event tag specified matches that of the current link event counter. 239e59058c4SJames Smart * The current event tag is read using the read link attention event mailbox 240e59058c4SJames Smart * command. 241e59058c4SJames Smart * 242e59058c4SJames Smart * This routine prepares the mailbox command for clearing HBA link attention 243e59058c4SJames Smart * information. 244e59058c4SJames Smart **/ 245dea3101eS void 246dea3101eS lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 247dea3101eS { 248dea3101eS MAILBOX_t *mb; 249dea3101eS 250dea3101eS mb = &pmb->mb; 251dea3101eS memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 252dea3101eS 253dea3101eS mb->un.varClearLA.eventTag = phba->fc_eventTag; 254dea3101eS mb->mbxCommand = MBX_CLEAR_LA; 255dea3101eS mb->mbxOwner = OWN_HOST; 256dea3101eS return; 257dea3101eS } 258dea3101eS 259e59058c4SJames Smart /** 260e59058c4SJames Smart * lpfc_config_link: Prepare a mailbox command for configuring link on a HBA. 261e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 262e59058c4SJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 263e59058c4SJames Smart * 264e59058c4SJames Smart * The configure link mailbox command is used before the initialize link 265e59058c4SJames Smart * mailbox command to override default value and to configure link-oriented 266e59058c4SJames Smart * parameters such as DID address and various timers. Typically, this 267e59058c4SJames Smart * command would be used after an F_Port login to set the returned DID address 268e59058c4SJames Smart * and the fabric timeout values. This command is not valid before a configure 269e59058c4SJames Smart * port command has configured the HBA port. 270e59058c4SJames Smart * 271e59058c4SJames Smart * This routine prepares the mailbox command for configuring link on a HBA. 272e59058c4SJames Smart **/ 273dea3101eS void 274dea3101eS lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 275dea3101eS { 2762e0fef85SJames Smart struct lpfc_vport *vport = phba->pport; 277dea3101eS MAILBOX_t *mb = &pmb->mb; 278dea3101eS memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 279dea3101eS 280dea3101eS /* NEW_FEATURE 281dea3101eS * SLI-2, Coalescing Response Feature. 282dea3101eS */ 283dea3101eS if (phba->cfg_cr_delay) { 284dea3101eS mb->un.varCfgLnk.cr = 1; 285dea3101eS mb->un.varCfgLnk.ci = 1; 286dea3101eS mb->un.varCfgLnk.cr_delay = phba->cfg_cr_delay; 287dea3101eS mb->un.varCfgLnk.cr_count = phba->cfg_cr_count; 288dea3101eS } 289dea3101eS 2902e0fef85SJames Smart mb->un.varCfgLnk.myId = vport->fc_myDID; 291dea3101eS mb->un.varCfgLnk.edtov = phba->fc_edtov; 292dea3101eS mb->un.varCfgLnk.arbtov = phba->fc_arbtov; 293dea3101eS mb->un.varCfgLnk.ratov = phba->fc_ratov; 294dea3101eS mb->un.varCfgLnk.rttov = phba->fc_rttov; 295dea3101eS mb->un.varCfgLnk.altov = phba->fc_altov; 296dea3101eS mb->un.varCfgLnk.crtov = phba->fc_crtov; 297dea3101eS mb->un.varCfgLnk.citov = phba->fc_citov; 298dea3101eS 299dea3101eS if (phba->cfg_ack0) 300dea3101eS mb->un.varCfgLnk.ack0_enable = 1; 301dea3101eS 302dea3101eS mb->mbxCommand = MBX_CONFIG_LINK; 303dea3101eS mb->mbxOwner = OWN_HOST; 304dea3101eS return; 305dea3101eS } 306dea3101eS 307e59058c4SJames Smart /** 3089399627fSJames Smart * lpfc_config_msi: Prepare a mailbox command for configuring msi-x. 3099399627fSJames Smart * @phba: pointer to lpfc hba data structure. 3109399627fSJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 3119399627fSJames Smart * 3129399627fSJames Smart * The configure MSI-X mailbox command is used to configure the HBA's SLI-3 3139399627fSJames Smart * MSI-X multi-message interrupt vector association to interrupt attention 3149399627fSJames Smart * conditions. 3159399627fSJames Smart * 3169399627fSJames Smart * Return codes 3179399627fSJames Smart * 0 - Success 3189399627fSJames Smart * -EINVAL - Failure 3199399627fSJames Smart **/ 3209399627fSJames Smart int 3219399627fSJames Smart lpfc_config_msi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 3229399627fSJames Smart { 3239399627fSJames Smart MAILBOX_t *mb = &pmb->mb; 3249399627fSJames Smart uint32_t attentionConditions[2]; 3259399627fSJames Smart 3269399627fSJames Smart /* Sanity check */ 3279399627fSJames Smart if (phba->cfg_use_msi != 2) { 3289399627fSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 3299399627fSJames Smart "0475 Not configured for supporting MSI-X " 3309399627fSJames Smart "cfg_use_msi: 0x%x\n", phba->cfg_use_msi); 3319399627fSJames Smart return -EINVAL; 3329399627fSJames Smart } 3339399627fSJames Smart 3349399627fSJames Smart if (phba->sli_rev < 3) { 3359399627fSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 3369399627fSJames Smart "0476 HBA not supporting SLI-3 or later " 3379399627fSJames Smart "SLI Revision: 0x%x\n", phba->sli_rev); 3389399627fSJames Smart return -EINVAL; 3399399627fSJames Smart } 3409399627fSJames Smart 3419399627fSJames Smart /* Clear mailbox command fields */ 3429399627fSJames Smart memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 3439399627fSJames Smart 3449399627fSJames Smart /* 3459399627fSJames Smart * SLI-3, Message Signaled Interrupt Fearure. 3469399627fSJames Smart */ 3479399627fSJames Smart 3489399627fSJames Smart /* Multi-message attention configuration */ 3499399627fSJames Smart attentionConditions[0] = (HA_R0ATT | HA_R1ATT | HA_R2ATT | HA_ERATT | 3509399627fSJames Smart HA_LATT | HA_MBATT); 3519399627fSJames Smart attentionConditions[1] = 0; 3529399627fSJames Smart 3539399627fSJames Smart mb->un.varCfgMSI.attentionConditions[0] = attentionConditions[0]; 3549399627fSJames Smart mb->un.varCfgMSI.attentionConditions[1] = attentionConditions[1]; 3559399627fSJames Smart 3569399627fSJames Smart /* 3579399627fSJames Smart * Set up message number to HA bit association 3589399627fSJames Smart */ 3599399627fSJames Smart #ifdef __BIG_ENDIAN_BITFIELD 3609399627fSJames Smart /* RA0 (FCP Ring) */ 3619399627fSJames Smart mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS] = 1; 3629399627fSJames Smart /* RA1 (Other Protocol Extra Ring) */ 3639399627fSJames Smart mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS] = 1; 3649399627fSJames Smart #else /* __LITTLE_ENDIAN_BITFIELD */ 3659399627fSJames Smart /* RA0 (FCP Ring) */ 3669399627fSJames Smart mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS^3] = 1; 3679399627fSJames Smart /* RA1 (Other Protocol Extra Ring) */ 3689399627fSJames Smart mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS^3] = 1; 3699399627fSJames Smart #endif 3709399627fSJames Smart /* Multi-message interrupt autoclear configuration*/ 3719399627fSJames Smart mb->un.varCfgMSI.autoClearHA[0] = attentionConditions[0]; 3729399627fSJames Smart mb->un.varCfgMSI.autoClearHA[1] = attentionConditions[1]; 3739399627fSJames Smart 3749399627fSJames Smart /* For now, HBA autoclear does not work reliably, disable it */ 3759399627fSJames Smart mb->un.varCfgMSI.autoClearHA[0] = 0; 3769399627fSJames Smart mb->un.varCfgMSI.autoClearHA[1] = 0; 3779399627fSJames Smart 3789399627fSJames Smart /* Set command and owner bit */ 3799399627fSJames Smart mb->mbxCommand = MBX_CONFIG_MSI; 3809399627fSJames Smart mb->mbxOwner = OWN_HOST; 3819399627fSJames Smart 3829399627fSJames Smart return 0; 3839399627fSJames Smart } 3849399627fSJames Smart 3859399627fSJames Smart /** 386e59058c4SJames Smart * lpfc_init_link: Prepare a mailbox command for initialize link on a HBA. 387e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 388e59058c4SJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 389e59058c4SJames Smart * @topology: the link topology for the link to be initialized to. 390e59058c4SJames Smart * @linkspeed: the link speed for the link to be initialized to. 391e59058c4SJames Smart * 392e59058c4SJames Smart * The initialize link mailbox command is used to initialize the Fibre 393e59058c4SJames Smart * Channel link. This command must follow a configure port command that 394e59058c4SJames Smart * establishes the mode of operation. 395e59058c4SJames Smart * 396e59058c4SJames Smart * This routine prepares the mailbox command for initializing link on a HBA 397e59058c4SJames Smart * with the specified link topology and speed. 398e59058c4SJames Smart **/ 399dea3101eS void 400dea3101eS lpfc_init_link(struct lpfc_hba * phba, 401dea3101eS LPFC_MBOXQ_t * pmb, uint32_t topology, uint32_t linkspeed) 402dea3101eS { 403dea3101eS lpfc_vpd_t *vpd; 404dea3101eS struct lpfc_sli *psli; 405dea3101eS MAILBOX_t *mb; 406dea3101eS 407dea3101eS mb = &pmb->mb; 408dea3101eS memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 409dea3101eS 410dea3101eS psli = &phba->sli; 411dea3101eS switch (topology) { 412dea3101eS case FLAGS_TOPOLOGY_MODE_LOOP_PT: 413dea3101eS mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP; 414dea3101eS mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER; 415dea3101eS break; 416dea3101eS case FLAGS_TOPOLOGY_MODE_PT_PT: 417dea3101eS mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT; 418dea3101eS break; 419dea3101eS case FLAGS_TOPOLOGY_MODE_LOOP: 420dea3101eS mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP; 421dea3101eS break; 422dea3101eS case FLAGS_TOPOLOGY_MODE_PT_LOOP: 423dea3101eS mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT; 424dea3101eS mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER; 425dea3101eS break; 426367c2713SJamie Wellnitz case FLAGS_LOCAL_LB: 427367c2713SJamie Wellnitz mb->un.varInitLnk.link_flags = FLAGS_LOCAL_LB; 428367c2713SJamie Wellnitz break; 429dea3101eS } 430dea3101eS 4314b0b91d4SJames Smart /* Enable asynchronous ABTS responses from firmware */ 4324b0b91d4SJames Smart mb->un.varInitLnk.link_flags |= FLAGS_IMED_ABORT; 4334b0b91d4SJames Smart 434dea3101eS /* NEW_FEATURE 435dea3101eS * Setting up the link speed 436dea3101eS */ 437dea3101eS vpd = &phba->vpd; 438dea3101eS if (vpd->rev.feaLevelHigh >= 0x02){ 439dea3101eS switch(linkspeed){ 440dea3101eS case LINK_SPEED_1G: 441dea3101eS case LINK_SPEED_2G: 442dea3101eS case LINK_SPEED_4G: 443b87eab38SJames Smart case LINK_SPEED_8G: 444dea3101eS mb->un.varInitLnk.link_flags |= 445dea3101eS FLAGS_LINK_SPEED; 446dea3101eS mb->un.varInitLnk.link_speed = linkspeed; 447dea3101eS break; 448dea3101eS case LINK_SPEED_AUTO: 449dea3101eS default: 450dea3101eS mb->un.varInitLnk.link_speed = 451dea3101eS LINK_SPEED_AUTO; 452dea3101eS break; 453dea3101eS } 454dea3101eS 455dea3101eS } 456dea3101eS else 457dea3101eS mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO; 458dea3101eS 459dea3101eS mb->mbxCommand = (volatile uint8_t)MBX_INIT_LINK; 460dea3101eS mb->mbxOwner = OWN_HOST; 461dea3101eS mb->un.varInitLnk.fabric_AL_PA = phba->fc_pref_ALPA; 462dea3101eS return; 463dea3101eS } 464dea3101eS 465e59058c4SJames Smart /** 466e59058c4SJames Smart * lpfc_read_sparam: Prepare a mailbox command for reading HBA parameters. 467e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 468e59058c4SJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 469e59058c4SJames Smart * @vpi: virtual N_Port identifier. 470e59058c4SJames Smart * 471e59058c4SJames Smart * The read service parameter mailbox command is used to read the HBA port 472e59058c4SJames Smart * service parameters. The service parameters are read into the buffer 473e59058c4SJames Smart * specified directly by a BDE in the mailbox command. These service 474e59058c4SJames Smart * parameters may then be used to build the payload of an N_Port/F_POrt 475e59058c4SJames Smart * login request and reply (LOGI/ACC). 476e59058c4SJames Smart * 477e59058c4SJames Smart * This routine prepares the mailbox command for reading HBA port service 478e59058c4SJames Smart * parameters. The DMA memory is allocated in this function and the addresses 479e59058c4SJames Smart * are populated into the mailbox command for the HBA to DMA the service 480e59058c4SJames Smart * parameters into. 481e59058c4SJames Smart * 482e59058c4SJames Smart * Return codes 483e59058c4SJames Smart * 0 - Success 484e59058c4SJames Smart * 1 - DMA memory allocation failed 485e59058c4SJames Smart **/ 486dea3101eS int 48792d7f7b0SJames Smart lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi) 488dea3101eS { 489dea3101eS struct lpfc_dmabuf *mp; 490dea3101eS MAILBOX_t *mb; 491dea3101eS struct lpfc_sli *psli; 492dea3101eS 493dea3101eS psli = &phba->sli; 494dea3101eS mb = &pmb->mb; 495dea3101eS memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 496dea3101eS 497dea3101eS mb->mbxOwner = OWN_HOST; 498dea3101eS 499dea3101eS /* Get a buffer to hold the HBAs Service Parameters */ 500dea3101eS 50198c9ea5cSJames Smart mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 50298c9ea5cSJames Smart if (mp) 50398c9ea5cSJames Smart mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 50498c9ea5cSJames Smart if (!mp || !mp->virt) { 505dea3101eS kfree(mp); 506dea3101eS mb->mbxCommand = MBX_READ_SPARM64; 507dea3101eS /* READ_SPARAM: no buffers */ 508e8b62011SJames Smart lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 509e8b62011SJames Smart "0301 READ_SPARAM: no buffers\n"); 51092d7f7b0SJames Smart return (1); 511dea3101eS } 512dea3101eS INIT_LIST_HEAD(&mp->list); 513dea3101eS mb->mbxCommand = MBX_READ_SPARM64; 514dea3101eS mb->un.varRdSparm.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm); 515dea3101eS mb->un.varRdSparm.un.sp64.addrHigh = putPaddrHigh(mp->phys); 516dea3101eS mb->un.varRdSparm.un.sp64.addrLow = putPaddrLow(mp->phys); 51792d7f7b0SJames Smart mb->un.varRdSparm.vpi = vpi; 518dea3101eS 519dea3101eS /* save address for completion */ 520dea3101eS pmb->context1 = mp; 521dea3101eS 52292d7f7b0SJames Smart return (0); 523dea3101eS } 524dea3101eS 525e59058c4SJames Smart /** 526e59058c4SJames Smart * lpfc_unreg_did: Prepare a mailbox command for unregistering DID. 527e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 528e59058c4SJames Smart * @vpi: virtual N_Port identifier. 529e59058c4SJames Smart * @did: remote port identifier. 530e59058c4SJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 531e59058c4SJames Smart * 532e59058c4SJames Smart * The unregister DID mailbox command is used to unregister an N_Port/F_Port 533e59058c4SJames Smart * login for an unknown RPI by specifying the DID of a remote port. This 534e59058c4SJames Smart * command frees an RPI context in the HBA port. This has the effect of 535e59058c4SJames Smart * performing an implicit N_Port/F_Port logout. 536e59058c4SJames Smart * 537e59058c4SJames Smart * This routine prepares the mailbox command for unregistering a remote 538e59058c4SJames Smart * N_Port/F_Port (DID) login. 539e59058c4SJames Smart **/ 540dea3101eS void 54192d7f7b0SJames Smart lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did, 54292d7f7b0SJames Smart LPFC_MBOXQ_t * pmb) 543dea3101eS { 544dea3101eS MAILBOX_t *mb; 545dea3101eS 546dea3101eS mb = &pmb->mb; 547dea3101eS memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 548dea3101eS 549dea3101eS mb->un.varUnregDID.did = did; 55092d7f7b0SJames Smart mb->un.varUnregDID.vpi = vpi; 551dea3101eS 552dea3101eS mb->mbxCommand = MBX_UNREG_D_ID; 553dea3101eS mb->mbxOwner = OWN_HOST; 554dea3101eS return; 555dea3101eS } 556dea3101eS 557e59058c4SJames Smart /** 558e59058c4SJames Smart * lpfc_read_config: Prepare a mailbox command for reading HBA configuration. 559e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 560e59058c4SJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 561e59058c4SJames Smart * 562e59058c4SJames Smart * The read configuration mailbox command is used to read the HBA port 563e59058c4SJames Smart * configuration parameters. This mailbox command provides a method for 564e59058c4SJames Smart * seeing any parameters that may have changed via various configuration 565e59058c4SJames Smart * mailbox commands. 566e59058c4SJames Smart * 567e59058c4SJames Smart * This routine prepares the mailbox command for reading out HBA configuration 568e59058c4SJames Smart * parameters. 569e59058c4SJames Smart **/ 570dea3101eS void 571dea3101eS lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 572dea3101eS { 573dea3101eS MAILBOX_t *mb; 574dea3101eS 575dea3101eS mb = &pmb->mb; 576dea3101eS memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 577dea3101eS 578dea3101eS mb->mbxCommand = MBX_READ_CONFIG; 579dea3101eS mb->mbxOwner = OWN_HOST; 580dea3101eS return; 581dea3101eS } 582dea3101eS 583e59058c4SJames Smart /** 584e59058c4SJames Smart * lpfc_read_lnk_stat: Prepare a mailbox command for reading HBA link stats. 585e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 586e59058c4SJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 587e59058c4SJames Smart * 588e59058c4SJames Smart * The read link status mailbox command is used to read the link status from 589e59058c4SJames Smart * the HBA. Link status includes all link-related error counters. These 590e59058c4SJames Smart * counters are maintained by the HBA and originated in the link hardware 591e59058c4SJames Smart * unit. Note that all of these counters wrap. 592e59058c4SJames Smart * 593e59058c4SJames Smart * This routine prepares the mailbox command for reading out HBA link status. 594e59058c4SJames Smart **/ 5957bb3b137SJamie Wellnitz void 5967bb3b137SJamie Wellnitz lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 5977bb3b137SJamie Wellnitz { 5987bb3b137SJamie Wellnitz MAILBOX_t *mb; 5997bb3b137SJamie Wellnitz 6007bb3b137SJamie Wellnitz mb = &pmb->mb; 6017bb3b137SJamie Wellnitz memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 6027bb3b137SJamie Wellnitz 6037bb3b137SJamie Wellnitz mb->mbxCommand = MBX_READ_LNK_STAT; 6047bb3b137SJamie Wellnitz mb->mbxOwner = OWN_HOST; 6057bb3b137SJamie Wellnitz return; 6067bb3b137SJamie Wellnitz } 6077bb3b137SJamie Wellnitz 608e59058c4SJames Smart /** 609e59058c4SJames Smart * lpfc_reg_login: Prepare a mailbox command for registering remote login. 610e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 611e59058c4SJames Smart * @vpi: virtual N_Port identifier. 612e59058c4SJames Smart * @did: remote port identifier. 613e59058c4SJames Smart * @param: pointer to memory holding the server parameters. 614e59058c4SJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 615e59058c4SJames Smart * @flag: action flag to be passed back for the complete function. 616e59058c4SJames Smart * 617e59058c4SJames Smart * The registration login mailbox command is used to register an N_Port or 618e59058c4SJames Smart * F_Port login. This registration allows the HBA to cache the remote N_Port 619e59058c4SJames Smart * service parameters internally and thereby make the appropriate FC-2 620e59058c4SJames Smart * decisions. The remote port service parameters are handed off by the driver 621e59058c4SJames Smart * to the HBA using a descriptor entry that directly identifies a buffer in 622e59058c4SJames Smart * host memory. In exchange, the HBA returns an RPI identifier. 623e59058c4SJames Smart * 624e59058c4SJames Smart * This routine prepares the mailbox command for registering remote port login. 625e59058c4SJames Smart * The function allocates DMA buffer for passing the service parameters to the 626e59058c4SJames Smart * HBA with the mailbox command. 627e59058c4SJames Smart * 628e59058c4SJames Smart * Return codes 629e59058c4SJames Smart * 0 - Success 630e59058c4SJames Smart * 1 - DMA memory allocation failed 631e59058c4SJames Smart **/ 632dea3101eS int 63392d7f7b0SJames Smart lpfc_reg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t did, 63492d7f7b0SJames Smart uint8_t *param, LPFC_MBOXQ_t *pmb, uint32_t flag) 635dea3101eS { 6362e0fef85SJames Smart MAILBOX_t *mb = &pmb->mb; 637dea3101eS uint8_t *sparam; 638dea3101eS struct lpfc_dmabuf *mp; 639dea3101eS 640dea3101eS memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 641dea3101eS 642dea3101eS mb->un.varRegLogin.rpi = 0; 64392d7f7b0SJames Smart mb->un.varRegLogin.vpi = vpi; 644dea3101eS mb->un.varRegLogin.did = did; 645dea3101eS mb->un.varWords[30] = flag; /* Set flag to issue action on cmpl */ 646dea3101eS 647dea3101eS mb->mbxOwner = OWN_HOST; 648dea3101eS 649dea3101eS /* Get a buffer to hold NPorts Service Parameters */ 65098c9ea5cSJames Smart mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); 65198c9ea5cSJames Smart if (mp) 65298c9ea5cSJames Smart mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); 65398c9ea5cSJames Smart if (!mp || !mp->virt) { 654dea3101eS kfree(mp); 655dea3101eS mb->mbxCommand = MBX_REG_LOGIN64; 656dea3101eS /* REG_LOGIN: no buffers */ 65792d7f7b0SJames Smart lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, 658e8b62011SJames Smart "0302 REG_LOGIN: no buffers, VPI:%d DID:x%x, " 659e8b62011SJames Smart "flag x%x\n", vpi, did, flag); 66092d7f7b0SJames Smart return (1); 661dea3101eS } 662dea3101eS INIT_LIST_HEAD(&mp->list); 663dea3101eS sparam = mp->virt; 664dea3101eS 665dea3101eS /* Copy param's into a new buffer */ 666dea3101eS memcpy(sparam, param, sizeof (struct serv_parm)); 667dea3101eS 668dea3101eS /* save address for completion */ 669dea3101eS pmb->context1 = (uint8_t *) mp; 670dea3101eS 671dea3101eS mb->mbxCommand = MBX_REG_LOGIN64; 672dea3101eS mb->un.varRegLogin.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm); 673dea3101eS mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys); 674dea3101eS mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys); 675dea3101eS 67692d7f7b0SJames Smart return (0); 677dea3101eS } 678dea3101eS 679e59058c4SJames Smart /** 680e59058c4SJames Smart * lpfc_unreg_login: Prepare a mailbox command for unregistering remote login. 681e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 682e59058c4SJames Smart * @vpi: virtual N_Port identifier. 683e59058c4SJames Smart * @rpi: remote port identifier 684e59058c4SJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 685e59058c4SJames Smart * 686e59058c4SJames Smart * The unregistration login mailbox command is used to unregister an N_Port 687e59058c4SJames Smart * or F_Port login. This command frees an RPI context in the HBA. It has the 688e59058c4SJames Smart * effect of performing an implicit N_Port/F_Port logout. 689e59058c4SJames Smart * 690e59058c4SJames Smart * This routine prepares the mailbox command for unregistering remote port 691e59058c4SJames Smart * login. 692e59058c4SJames Smart **/ 693dea3101eS void 69492d7f7b0SJames Smart lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi, 69592d7f7b0SJames Smart LPFC_MBOXQ_t * pmb) 696dea3101eS { 697dea3101eS MAILBOX_t *mb; 698dea3101eS 699dea3101eS mb = &pmb->mb; 700dea3101eS memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 701dea3101eS 702dea3101eS mb->un.varUnregLogin.rpi = (uint16_t) rpi; 703dea3101eS mb->un.varUnregLogin.rsvd1 = 0; 70492d7f7b0SJames Smart mb->un.varUnregLogin.vpi = vpi; 705dea3101eS 706dea3101eS mb->mbxCommand = MBX_UNREG_LOGIN; 707dea3101eS mb->mbxOwner = OWN_HOST; 708dea3101eS return; 709dea3101eS } 710dea3101eS 711e59058c4SJames Smart /** 712e59058c4SJames Smart * lpfc_reg_vpi: Prepare a mailbox command for registering vport identifier. 713e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 714e59058c4SJames Smart * @vpi: virtual N_Port identifier. 715e59058c4SJames Smart * @sid: Fibre Channel S_ID (N_Port_ID assigned to a virtual N_Port). 716e59058c4SJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 717e59058c4SJames Smart * 718e59058c4SJames Smart * The registration vport identifier mailbox command is used to activate a 719e59058c4SJames Smart * virtual N_Port after it has acquired an N_Port_ID. The HBA validates the 720e59058c4SJames Smart * N_Port_ID against the information in the selected virtual N_Port context 721e59058c4SJames Smart * block and marks it active to allow normal processing of IOCB commands and 722e59058c4SJames Smart * received unsolicited exchanges. 723e59058c4SJames Smart * 724e59058c4SJames Smart * This routine prepares the mailbox command for registering a virtual N_Port. 725e59058c4SJames Smart **/ 72692d7f7b0SJames Smart void 72792d7f7b0SJames Smart lpfc_reg_vpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t sid, 72892d7f7b0SJames Smart LPFC_MBOXQ_t *pmb) 72992d7f7b0SJames Smart { 73092d7f7b0SJames Smart MAILBOX_t *mb = &pmb->mb; 73192d7f7b0SJames Smart 73292d7f7b0SJames Smart memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 73392d7f7b0SJames Smart 73492d7f7b0SJames Smart mb->un.varRegVpi.vpi = vpi; 73592d7f7b0SJames Smart mb->un.varRegVpi.sid = sid; 73692d7f7b0SJames Smart 73792d7f7b0SJames Smart mb->mbxCommand = MBX_REG_VPI; 73892d7f7b0SJames Smart mb->mbxOwner = OWN_HOST; 73992d7f7b0SJames Smart return; 74092d7f7b0SJames Smart 74192d7f7b0SJames Smart } 74292d7f7b0SJames Smart 743e59058c4SJames Smart /** 744e59058c4SJames Smart * lpfc_unreg_vpi: Prepare a mailbox command for unregistering vport id. 745e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 746e59058c4SJames Smart * @vpi: virtual N_Port identifier. 747e59058c4SJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 748e59058c4SJames Smart * 749e59058c4SJames Smart * The unregistration vport identifier mailbox command is used to inactivate 750e59058c4SJames Smart * a virtual N_Port. The driver must have logged out and unregistered all 751e59058c4SJames Smart * remote N_Ports to abort any activity on the virtual N_Port. The HBA will 752e59058c4SJames Smart * unregisters any default RPIs associated with the specified vpi, aborting 753e59058c4SJames Smart * any active exchanges. The HBA will post the mailbox response after making 754e59058c4SJames Smart * the virtual N_Port inactive. 755e59058c4SJames Smart * 756e59058c4SJames Smart * This routine prepares the mailbox command for unregistering a virtual 757e59058c4SJames Smart * N_Port. 758e59058c4SJames Smart **/ 75992d7f7b0SJames Smart void 76092d7f7b0SJames Smart lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb) 76192d7f7b0SJames Smart { 76292d7f7b0SJames Smart MAILBOX_t *mb = &pmb->mb; 76392d7f7b0SJames Smart memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 76492d7f7b0SJames Smart 76592d7f7b0SJames Smart mb->un.varUnregVpi.vpi = vpi; 76692d7f7b0SJames Smart 76792d7f7b0SJames Smart mb->mbxCommand = MBX_UNREG_VPI; 76892d7f7b0SJames Smart mb->mbxOwner = OWN_HOST; 76992d7f7b0SJames Smart return; 77092d7f7b0SJames Smart 77192d7f7b0SJames Smart } 77292d7f7b0SJames Smart 773e59058c4SJames Smart /** 774e59058c4SJames Smart * lpfc_config_pcb_setup: Set up IOCB rings in the Port Control Block (PCB) 775e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 776e59058c4SJames Smart * 777e59058c4SJames Smart * This routine sets up and initializes the IOCB rings in the Port Control 778e59058c4SJames Smart * Block (PCB). 779e59058c4SJames Smart **/ 780dea3101eS static void 781dea3101eS lpfc_config_pcb_setup(struct lpfc_hba * phba) 782dea3101eS { 783dea3101eS struct lpfc_sli *psli = &phba->sli; 784dea3101eS struct lpfc_sli_ring *pring; 78534b02dcdSJames Smart PCB_t *pcbp = phba->pcb; 786dea3101eS dma_addr_t pdma_addr; 787dea3101eS uint32_t offset; 7882e0fef85SJames Smart uint32_t iocbCnt = 0; 789dea3101eS int i; 790dea3101eS 791dea3101eS pcbp->maxRing = (psli->num_rings - 1); 792dea3101eS 793dea3101eS for (i = 0; i < psli->num_rings; i++) { 794dea3101eS pring = &psli->ring[i]; 7952e0fef85SJames Smart 796ed957684SJames Smart pring->sizeCiocb = phba->sli_rev == 3 ? SLI3_IOCB_CMD_SIZE: 797ed957684SJames Smart SLI2_IOCB_CMD_SIZE; 798ed957684SJames Smart pring->sizeRiocb = phba->sli_rev == 3 ? SLI3_IOCB_RSP_SIZE: 799ed957684SJames Smart SLI2_IOCB_RSP_SIZE; 800dea3101eS /* A ring MUST have both cmd and rsp entries defined to be 801dea3101eS valid */ 802dea3101eS if ((pring->numCiocb == 0) || (pring->numRiocb == 0)) { 803dea3101eS pcbp->rdsc[i].cmdEntries = 0; 804dea3101eS pcbp->rdsc[i].rspEntries = 0; 805dea3101eS pcbp->rdsc[i].cmdAddrHigh = 0; 806dea3101eS pcbp->rdsc[i].rspAddrHigh = 0; 807dea3101eS pcbp->rdsc[i].cmdAddrLow = 0; 808dea3101eS pcbp->rdsc[i].rspAddrLow = 0; 809dea3101eS pring->cmdringaddr = NULL; 810dea3101eS pring->rspringaddr = NULL; 811dea3101eS continue; 812dea3101eS } 813dea3101eS /* Command ring setup for ring */ 81434b02dcdSJames Smart pring->cmdringaddr = (void *)&phba->IOCBs[iocbCnt]; 815dea3101eS pcbp->rdsc[i].cmdEntries = pring->numCiocb; 816dea3101eS 81734b02dcdSJames Smart offset = (uint8_t *) &phba->IOCBs[iocbCnt] - 81834b02dcdSJames Smart (uint8_t *) phba->slim2p.virt; 81934b02dcdSJames Smart pdma_addr = phba->slim2p.phys + offset; 820dea3101eS pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr); 821dea3101eS pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr); 822dea3101eS iocbCnt += pring->numCiocb; 823dea3101eS 824dea3101eS /* Response ring setup for ring */ 82534b02dcdSJames Smart pring->rspringaddr = (void *) &phba->IOCBs[iocbCnt]; 826dea3101eS 827dea3101eS pcbp->rdsc[i].rspEntries = pring->numRiocb; 82834b02dcdSJames Smart offset = (uint8_t *)&phba->IOCBs[iocbCnt] - 82934b02dcdSJames Smart (uint8_t *)phba->slim2p.virt; 83034b02dcdSJames Smart pdma_addr = phba->slim2p.phys + offset; 831dea3101eS pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr); 832dea3101eS pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr); 833dea3101eS iocbCnt += pring->numRiocb; 834dea3101eS } 835dea3101eS } 836dea3101eS 837e59058c4SJames Smart /** 838e59058c4SJames Smart * lpfc_read_rev: Prepare a mailbox command for reading HBA revision. 839e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 840e59058c4SJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 841e59058c4SJames Smart * 842e59058c4SJames Smart * The read revision mailbox command is used to read the revision levels of 843e59058c4SJames Smart * the HBA components. These components include hardware units, resident 844e59058c4SJames Smart * firmware, and available firmware. HBAs that supports SLI-3 mode of 845e59058c4SJames Smart * operation provide different response information depending on the version 846e59058c4SJames Smart * requested by the driver. 847e59058c4SJames Smart * 848e59058c4SJames Smart * This routine prepares the mailbox command for reading HBA revision 849e59058c4SJames Smart * information. 850e59058c4SJames Smart **/ 851dea3101eS void 852dea3101eS lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 853dea3101eS { 8542e0fef85SJames Smart MAILBOX_t *mb = &pmb->mb; 855dea3101eS memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 856dea3101eS mb->un.varRdRev.cv = 1; 857ed957684SJames Smart mb->un.varRdRev.v3req = 1; /* Request SLI3 info */ 858dea3101eS mb->mbxCommand = MBX_READ_REV; 859dea3101eS mb->mbxOwner = OWN_HOST; 860dea3101eS return; 861dea3101eS } 862dea3101eS 863e59058c4SJames Smart /** 864e59058c4SJames Smart * lpfc_build_hbq_profile2: Set up the HBQ Selection Profile 2. 865e59058c4SJames Smart * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. 866e59058c4SJames Smart * @hbq_desc: pointer to the HBQ selection profile descriptor. 867e59058c4SJames Smart * 868e59058c4SJames Smart * The Host Buffer Queue (HBQ) Selection Profile 2 specifies that the HBA 869e59058c4SJames Smart * tests the incoming frames' R_CTL/TYPE fields with works 10:15 and performs 870e59058c4SJames Smart * the Sequence Length Test using the fields in the Selection Profile 2 871e59058c4SJames Smart * extension in words 20:31. 872e59058c4SJames Smart **/ 873ed957684SJames Smart static void 874ed957684SJames Smart lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb, 875ed957684SJames Smart struct lpfc_hbq_init *hbq_desc) 876ed957684SJames Smart { 877ed957684SJames Smart hbqmb->profiles.profile2.seqlenbcnt = hbq_desc->seqlenbcnt; 878ed957684SJames Smart hbqmb->profiles.profile2.maxlen = hbq_desc->maxlen; 879ed957684SJames Smart hbqmb->profiles.profile2.seqlenoff = hbq_desc->seqlenoff; 880ed957684SJames Smart } 881ed957684SJames Smart 882e59058c4SJames Smart /** 883e59058c4SJames Smart * lpfc_build_hbq_profile3: Set up the HBQ Selection Profile 3. 884e59058c4SJames Smart * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. 885e59058c4SJames Smart * @hbq_desc: pointer to the HBQ selection profile descriptor. 886e59058c4SJames Smart * 887e59058c4SJames Smart * The Host Buffer Queue (HBQ) Selection Profile 3 specifies that the HBA 888e59058c4SJames Smart * tests the incoming frame's R_CTL/TYPE fields with words 10:15 and performs 889e59058c4SJames Smart * the Sequence Length Test and Byte Field Test using the fields in the 890e59058c4SJames Smart * Selection Profile 3 extension in words 20:31. 891e59058c4SJames Smart **/ 892ed957684SJames Smart static void 893ed957684SJames Smart lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb, 894ed957684SJames Smart struct lpfc_hbq_init *hbq_desc) 895ed957684SJames Smart { 896ed957684SJames Smart hbqmb->profiles.profile3.seqlenbcnt = hbq_desc->seqlenbcnt; 897ed957684SJames Smart hbqmb->profiles.profile3.maxlen = hbq_desc->maxlen; 898ed957684SJames Smart hbqmb->profiles.profile3.cmdcodeoff = hbq_desc->cmdcodeoff; 899ed957684SJames Smart hbqmb->profiles.profile3.seqlenoff = hbq_desc->seqlenoff; 900ed957684SJames Smart memcpy(&hbqmb->profiles.profile3.cmdmatch, hbq_desc->cmdmatch, 901ed957684SJames Smart sizeof(hbqmb->profiles.profile3.cmdmatch)); 902ed957684SJames Smart } 903ed957684SJames Smart 904e59058c4SJames Smart /** 905e59058c4SJames Smart * lpfc_build_hbq_profile5: Set up the HBQ Selection Profile 5. 906e59058c4SJames Smart * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. 907e59058c4SJames Smart * @hbq_desc: pointer to the HBQ selection profile descriptor. 908e59058c4SJames Smart * 909e59058c4SJames Smart * The Host Buffer Queue (HBQ) Selection Profile 5 specifies a header HBQ. The 910e59058c4SJames Smart * HBA tests the initial frame of an incoming sequence using the frame's 911e59058c4SJames Smart * R_CTL/TYPE fields with words 10:15 and performs the Sequence Length Test 912e59058c4SJames Smart * and Byte Field Test using the fields in the Selection Profile 5 extension 913e59058c4SJames Smart * words 20:31. 914e59058c4SJames Smart **/ 915ed957684SJames Smart static void 916ed957684SJames Smart lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb, 917ed957684SJames Smart struct lpfc_hbq_init *hbq_desc) 918ed957684SJames Smart { 919ed957684SJames Smart hbqmb->profiles.profile5.seqlenbcnt = hbq_desc->seqlenbcnt; 920ed957684SJames Smart hbqmb->profiles.profile5.maxlen = hbq_desc->maxlen; 921ed957684SJames Smart hbqmb->profiles.profile5.cmdcodeoff = hbq_desc->cmdcodeoff; 922ed957684SJames Smart hbqmb->profiles.profile5.seqlenoff = hbq_desc->seqlenoff; 923ed957684SJames Smart memcpy(&hbqmb->profiles.profile5.cmdmatch, hbq_desc->cmdmatch, 924ed957684SJames Smart sizeof(hbqmb->profiles.profile5.cmdmatch)); 925ed957684SJames Smart } 926ed957684SJames Smart 927e59058c4SJames Smart /** 928e59058c4SJames Smart * lpfc_config_hbq: Prepare a mailbox command for configuring an HBQ. 929e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 930e59058c4SJames Smart * @id: HBQ identifier. 931e59058c4SJames Smart * @hbq_desc: pointer to the HBA descriptor data structure. 932e59058c4SJames Smart * @hbq_entry_index: index of the HBQ entry data structures. 933e59058c4SJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 934e59058c4SJames Smart * 935e59058c4SJames Smart * The configure HBQ (Host Buffer Queue) mailbox command is used to configure 936e59058c4SJames Smart * an HBQ. The configuration binds events that require buffers to a particular 937e59058c4SJames Smart * ring and HBQ based on a selection profile. 938e59058c4SJames Smart * 939e59058c4SJames Smart * This routine prepares the mailbox command for configuring an HBQ. 940e59058c4SJames Smart **/ 941ed957684SJames Smart void 94251ef4c26SJames Smart lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id, 94351ef4c26SJames Smart struct lpfc_hbq_init *hbq_desc, 944ed957684SJames Smart uint32_t hbq_entry_index, LPFC_MBOXQ_t *pmb) 945ed957684SJames Smart { 946ed957684SJames Smart int i; 947ed957684SJames Smart MAILBOX_t *mb = &pmb->mb; 948ed957684SJames Smart struct config_hbq_var *hbqmb = &mb->un.varCfgHbq; 949ed957684SJames Smart 950ed957684SJames Smart memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 95151ef4c26SJames Smart hbqmb->hbqId = id; 952ed957684SJames Smart hbqmb->entry_count = hbq_desc->entry_count; /* # entries in HBQ */ 953ed957684SJames Smart hbqmb->recvNotify = hbq_desc->rn; /* Receive 954ed957684SJames Smart * Notification */ 955ed957684SJames Smart hbqmb->numMask = hbq_desc->mask_count; /* # R_CTL/TYPE masks 956ed957684SJames Smart * # in words 0-19 */ 957ed957684SJames Smart hbqmb->profile = hbq_desc->profile; /* Selection profile: 958ed957684SJames Smart * 0 = all, 959ed957684SJames Smart * 7 = logentry */ 960ed957684SJames Smart hbqmb->ringMask = hbq_desc->ring_mask; /* Binds HBQ to a ring 961ed957684SJames Smart * e.g. Ring0=b0001, 962ed957684SJames Smart * ring2=b0100 */ 963ed957684SJames Smart hbqmb->headerLen = hbq_desc->headerLen; /* 0 if not profile 4 964ed957684SJames Smart * or 5 */ 965ed957684SJames Smart hbqmb->logEntry = hbq_desc->logEntry; /* Set to 1 if this 966ed957684SJames Smart * HBQ will be used 967ed957684SJames Smart * for LogEntry 968ed957684SJames Smart * buffers */ 969ed957684SJames Smart hbqmb->hbqaddrLow = putPaddrLow(phba->hbqslimp.phys) + 970ed957684SJames Smart hbq_entry_index * sizeof(struct lpfc_hbq_entry); 971ed957684SJames Smart hbqmb->hbqaddrHigh = putPaddrHigh(phba->hbqslimp.phys); 972ed957684SJames Smart 973ed957684SJames Smart mb->mbxCommand = MBX_CONFIG_HBQ; 974ed957684SJames Smart mb->mbxOwner = OWN_HOST; 975ed957684SJames Smart 976ed957684SJames Smart /* Copy info for profiles 2,3,5. Other 977ed957684SJames Smart * profiles this area is reserved 978ed957684SJames Smart */ 979ed957684SJames Smart if (hbq_desc->profile == 2) 980ed957684SJames Smart lpfc_build_hbq_profile2(hbqmb, hbq_desc); 981ed957684SJames Smart else if (hbq_desc->profile == 3) 982ed957684SJames Smart lpfc_build_hbq_profile3(hbqmb, hbq_desc); 983ed957684SJames Smart else if (hbq_desc->profile == 5) 984ed957684SJames Smart lpfc_build_hbq_profile5(hbqmb, hbq_desc); 985ed957684SJames Smart 986ed957684SJames Smart /* Return if no rctl / type masks for this HBQ */ 987ed957684SJames Smart if (!hbq_desc->mask_count) 988ed957684SJames Smart return; 989ed957684SJames Smart 990ed957684SJames Smart /* Otherwise we setup specific rctl / type masks for this HBQ */ 991ed957684SJames Smart for (i = 0; i < hbq_desc->mask_count; i++) { 992ed957684SJames Smart hbqmb->hbqMasks[i].tmatch = hbq_desc->hbqMasks[i].tmatch; 993ed957684SJames Smart hbqmb->hbqMasks[i].tmask = hbq_desc->hbqMasks[i].tmask; 994ed957684SJames Smart hbqmb->hbqMasks[i].rctlmatch = hbq_desc->hbqMasks[i].rctlmatch; 995ed957684SJames Smart hbqmb->hbqMasks[i].rctlmask = hbq_desc->hbqMasks[i].rctlmask; 996ed957684SJames Smart } 997ed957684SJames Smart 998ed957684SJames Smart return; 999ed957684SJames Smart } 1000ed957684SJames Smart 1001e59058c4SJames Smart /** 1002e59058c4SJames Smart * lpfc_config_ring: Prepare a mailbox command for configuring an IOCB ring. 1003e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 1004e59058c4SJames Smart * @ring: 1005e59058c4SJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 1006e59058c4SJames Smart * 1007e59058c4SJames Smart * The configure ring mailbox command is used to configure an IOCB ring. This 1008e59058c4SJames Smart * configuration binds from one to six of HBA RC_CTL/TYPE mask entries to the 1009e59058c4SJames Smart * ring. This is used to map incoming sequences to a particular ring whose 1010e59058c4SJames Smart * RC_CTL/TYPE mask entry matches that of the sequence. The driver should not 1011e59058c4SJames Smart * attempt to configure a ring whose number is greater than the number 1012e59058c4SJames Smart * specified in the Port Control Block (PCB). It is an error to issue the 1013e59058c4SJames Smart * configure ring command more than once with the same ring number. The HBA 1014e59058c4SJames Smart * returns an error if the driver attempts this. 1015e59058c4SJames Smart * 1016e59058c4SJames Smart * This routine prepares the mailbox command for configuring IOCB ring. 1017e59058c4SJames Smart **/ 1018dea3101eS void 1019dea3101eS lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb) 1020dea3101eS { 1021dea3101eS int i; 1022dea3101eS MAILBOX_t *mb = &pmb->mb; 1023dea3101eS struct lpfc_sli *psli; 1024dea3101eS struct lpfc_sli_ring *pring; 1025dea3101eS 1026dea3101eS memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); 1027dea3101eS 1028dea3101eS mb->un.varCfgRing.ring = ring; 1029dea3101eS mb->un.varCfgRing.maxOrigXchg = 0; 1030dea3101eS mb->un.varCfgRing.maxRespXchg = 0; 1031dea3101eS mb->un.varCfgRing.recvNotify = 1; 1032dea3101eS 1033dea3101eS psli = &phba->sli; 1034dea3101eS pring = &psli->ring[ring]; 1035dea3101eS mb->un.varCfgRing.numMask = pring->num_mask; 1036dea3101eS mb->mbxCommand = MBX_CONFIG_RING; 1037dea3101eS mb->mbxOwner = OWN_HOST; 1038dea3101eS 1039dea3101eS /* Is this ring configured for a specific profile */ 1040dea3101eS if (pring->prt[0].profile) { 1041dea3101eS mb->un.varCfgRing.profile = pring->prt[0].profile; 1042dea3101eS return; 1043dea3101eS } 1044dea3101eS 1045dea3101eS /* Otherwise we setup specific rctl / type masks for this ring */ 1046dea3101eS for (i = 0; i < pring->num_mask; i++) { 1047dea3101eS mb->un.varCfgRing.rrRegs[i].rval = pring->prt[i].rctl; 1048dea3101eS if (mb->un.varCfgRing.rrRegs[i].rval != FC_ELS_REQ) 1049dea3101eS mb->un.varCfgRing.rrRegs[i].rmask = 0xff; 1050dea3101eS else 1051dea3101eS mb->un.varCfgRing.rrRegs[i].rmask = 0xfe; 1052dea3101eS mb->un.varCfgRing.rrRegs[i].tval = pring->prt[i].type; 1053dea3101eS mb->un.varCfgRing.rrRegs[i].tmask = 0xff; 1054dea3101eS } 1055dea3101eS 1056dea3101eS return; 1057dea3101eS } 1058dea3101eS 1059e59058c4SJames Smart /** 1060e59058c4SJames Smart * lpfc_config_port: Prepare a mailbox command for configuring port. 1061e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 1062e59058c4SJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 1063e59058c4SJames Smart * 1064e59058c4SJames Smart * The configure port mailbox command is used to identify the Port Control 1065e59058c4SJames Smart * Block (PCB) in the driver memory. After this command is issued, the 1066e59058c4SJames Smart * driver must not access the mailbox in the HBA without first resetting 1067e59058c4SJames Smart * the HBA. The HBA may copy the PCB information to internal storage for 1068e59058c4SJames Smart * subsequent use; the driver can not change the PCB information unless it 1069e59058c4SJames Smart * resets the HBA. 1070e59058c4SJames Smart * 1071e59058c4SJames Smart * This routine prepares the mailbox command for configuring port. 1072e59058c4SJames Smart **/ 1073dea3101eS void 1074dea3101eS lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 1075dea3101eS { 1076ed957684SJames Smart MAILBOX_t __iomem *mb_slim = (MAILBOX_t __iomem *) phba->MBslimaddr; 1077dea3101eS MAILBOX_t *mb = &pmb->mb; 1078dea3101eS dma_addr_t pdma_addr; 1079dea3101eS uint32_t bar_low, bar_high; 1080dea3101eS size_t offset; 10814cc2da1dSJames.Smart@Emulex.Com struct lpfc_hgp hgp; 1082f91b392cSJames.Smart@Emulex.Com int i; 1083ed957684SJames Smart uint32_t pgp_offset; 1084dea3101eS 1085dea3101eS memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 1086dea3101eS mb->mbxCommand = MBX_CONFIG_PORT; 1087dea3101eS mb->mbxOwner = OWN_HOST; 1088dea3101eS 1089dea3101eS mb->un.varCfgPort.pcbLen = sizeof(PCB_t); 1090dea3101eS 109134b02dcdSJames Smart offset = (uint8_t *)phba->pcb - (uint8_t *)phba->slim2p.virt; 109234b02dcdSJames Smart pdma_addr = phba->slim2p.phys + offset; 1093dea3101eS mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr); 1094dea3101eS mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr); 1095dea3101eS 109697207482SJames Smart /* Always Host Group Pointer is in SLIM */ 109797207482SJames Smart mb->un.varCfgPort.hps = 1; 109897207482SJames Smart 1099ed957684SJames Smart /* If HBA supports SLI=3 ask for it */ 1100ed957684SJames Smart 110192d7f7b0SJames Smart if (phba->sli_rev == 3 && phba->vpd.sli3Feat.cerbm) { 1102e2a0a9d6SJames Smart if (phba->cfg_enable_bg) 1103e2a0a9d6SJames Smart mb->un.varCfgPort.cbg = 1; /* configure BlockGuard */ 1104ed957684SJames Smart mb->un.varCfgPort.cerbm = 1; /* Request HBQs */ 110534b02dcdSJames Smart mb->un.varCfgPort.ccrp = 1; /* Command Ring Polling */ 110634b02dcdSJames Smart mb->un.varCfgPort.cinb = 1; /* Interrupt Notification Block */ 110751ef4c26SJames Smart mb->un.varCfgPort.max_hbq = lpfc_sli_hbq_count(); 110878b2d852SJames Smart if (phba->max_vpi && phba->cfg_enable_npiv && 110992d7f7b0SJames Smart phba->vpd.sli3Feat.cmv) { 111092d7f7b0SJames Smart mb->un.varCfgPort.max_vpi = phba->max_vpi; 111192d7f7b0SJames Smart mb->un.varCfgPort.cmv = 1; 111292d7f7b0SJames Smart } else 111392d7f7b0SJames Smart mb->un.varCfgPort.max_vpi = phba->max_vpi = 0; 111492d7f7b0SJames Smart } else 111592d7f7b0SJames Smart phba->sli_rev = 2; 111692d7f7b0SJames Smart mb->un.varCfgPort.sli_mode = phba->sli_rev; 1117ed957684SJames Smart 1118dea3101eS /* Now setup pcb */ 111934b02dcdSJames Smart phba->pcb->type = TYPE_NATIVE_SLI2; 112034b02dcdSJames Smart phba->pcb->feature = FEATURE_INITIAL_SLI2; 1121dea3101eS 1122dea3101eS /* Setup Mailbox pointers */ 112334b02dcdSJames Smart phba->pcb->mailBoxSize = sizeof(MAILBOX_t); 112434b02dcdSJames Smart offset = (uint8_t *)phba->mbox - (uint8_t *)phba->slim2p.virt; 112534b02dcdSJames Smart pdma_addr = phba->slim2p.phys + offset; 112634b02dcdSJames Smart phba->pcb->mbAddrHigh = putPaddrHigh(pdma_addr); 112734b02dcdSJames Smart phba->pcb->mbAddrLow = putPaddrLow(pdma_addr); 1128dea3101eS 1129dea3101eS /* 1130dea3101eS * Setup Host Group ring pointer. 1131dea3101eS * 1132dea3101eS * For efficiency reasons, the ring get/put pointers can be 1133dea3101eS * placed in adapter memory (SLIM) rather than in host memory. 1134dea3101eS * This allows firmware to avoid PCI reads/writes when updating 1135dea3101eS * and checking pointers. 1136dea3101eS * 1137dea3101eS * The firmware recognizes the use of SLIM memory by comparing 1138dea3101eS * the address of the get/put pointers structure with that of 1139dea3101eS * the SLIM BAR (BAR0). 1140dea3101eS * 1141dea3101eS * Caution: be sure to use the PCI config space value of BAR0/BAR1 1142dea3101eS * (the hardware's view of the base address), not the OS's 1143dea3101eS * value of pci_resource_start() as the OS value may be a cookie 1144dea3101eS * for ioremap/iomap. 1145dea3101eS */ 1146dea3101eS 1147dea3101eS 1148dea3101eS pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low); 1149dea3101eS pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high); 1150dea3101eS 1151ed957684SJames Smart /* 1152ed957684SJames Smart * Set up HGP - Port Memory 1153ed957684SJames Smart * 1154ed957684SJames Smart * The port expects the host get/put pointers to reside in memory 1155ed957684SJames Smart * following the "non-diagnostic" mode mailbox (32 words, 0x80 bytes) 1156ed957684SJames Smart * area of SLIM. In SLI-2 mode, there's an additional 16 reserved 1157ed957684SJames Smart * words (0x40 bytes). This area is not reserved if HBQs are 1158ed957684SJames Smart * configured in SLI-3. 1159ed957684SJames Smart * 1160ed957684SJames Smart * CR0Put - SLI2(no HBQs) = 0xc0, With HBQs = 0x80 1161ed957684SJames Smart * RR0Get 0xc4 0x84 1162ed957684SJames Smart * CR1Put 0xc8 0x88 1163ed957684SJames Smart * RR1Get 0xcc 0x8c 1164ed957684SJames Smart * CR2Put 0xd0 0x90 1165ed957684SJames Smart * RR2Get 0xd4 0x94 1166ed957684SJames Smart * CR3Put 0xd8 0x98 1167ed957684SJames Smart * RR3Get 0xdc 0x9c 1168ed957684SJames Smart * 1169ed957684SJames Smart * Reserved 0xa0-0xbf 1170ed957684SJames Smart * If HBQs configured: 1171ed957684SJames Smart * HBQ 0 Put ptr 0xc0 1172ed957684SJames Smart * HBQ 1 Put ptr 0xc4 1173ed957684SJames Smart * HBQ 2 Put ptr 0xc8 1174ed957684SJames Smart * ...... 1175ed957684SJames Smart * HBQ(M-1)Put Pointer 0xc0+(M-1)*4 1176ed957684SJames Smart * 1177ed957684SJames Smart */ 1178ed957684SJames Smart 1179ed957684SJames Smart if (phba->sli_rev == 3) { 1180ed957684SJames Smart phba->host_gp = &mb_slim->us.s3.host[0]; 1181ed957684SJames Smart phba->hbq_put = &mb_slim->us.s3.hbq_put[0]; 1182ed957684SJames Smart } else { 1183ed957684SJames Smart phba->host_gp = &mb_slim->us.s2.host[0]; 1184ed957684SJames Smart phba->hbq_put = NULL; 1185ed957684SJames Smart } 1186dea3101eS 1187dea3101eS /* mask off BAR0's flag bits 0 - 3 */ 118834b02dcdSJames Smart phba->pcb->hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) + 1189ed957684SJames Smart (void __iomem *)phba->host_gp - 1190ed957684SJames Smart (void __iomem *)phba->MBslimaddr; 1191dea3101eS if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64) 119234b02dcdSJames Smart phba->pcb->hgpAddrHigh = bar_high; 1193dea3101eS else 119434b02dcdSJames Smart phba->pcb->hgpAddrHigh = 0; 1195dea3101eS /* write HGP data to SLIM at the required longword offset */ 11964cc2da1dSJames.Smart@Emulex.Com memset(&hgp, 0, sizeof(struct lpfc_hgp)); 1197f91b392cSJames.Smart@Emulex.Com 1198f91b392cSJames.Smart@Emulex.Com for (i=0; i < phba->sli.num_rings; i++) { 1199ed957684SJames Smart lpfc_memcpy_to_slim(phba->host_gp + i, &hgp, 1200ed957684SJames Smart sizeof(*phba->host_gp)); 1201f91b392cSJames.Smart@Emulex.Com } 1202dea3101eS 12038f34f4ceSJames Smart /* Setup Port Group offset */ 12048f34f4ceSJames Smart if (phba->sli_rev == 3) 120534b02dcdSJames Smart pgp_offset = offsetof(struct lpfc_sli2_slim, 120634b02dcdSJames Smart mbx.us.s3_pgp.port); 12078f34f4ceSJames Smart else 120834b02dcdSJames Smart pgp_offset = offsetof(struct lpfc_sli2_slim, mbx.us.s2.port); 120934b02dcdSJames Smart pdma_addr = phba->slim2p.phys + pgp_offset; 121034b02dcdSJames Smart phba->pcb->pgpAddrHigh = putPaddrHigh(pdma_addr); 121134b02dcdSJames Smart phba->pcb->pgpAddrLow = putPaddrLow(pdma_addr); 1212dea3101eS 1213dea3101eS /* Use callback routine to setp rings in the pcb */ 1214dea3101eS lpfc_config_pcb_setup(phba); 1215dea3101eS 1216dea3101eS /* special handling for LC HBAs */ 1217dea3101eS if (lpfc_is_LC_HBA(phba->pcidev->device)) { 1218dea3101eS uint32_t hbainit[5]; 1219dea3101eS 1220dea3101eS lpfc_hba_init(phba, hbainit); 1221dea3101eS 1222dea3101eS memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20); 1223dea3101eS } 1224dea3101eS 1225dea3101eS /* Swap PCB if needed */ 122634b02dcdSJames Smart lpfc_sli_pcimem_bcopy(phba->pcb, phba->pcb, sizeof(PCB_t)); 1227dea3101eS } 1228dea3101eS 1229e59058c4SJames Smart /** 1230e59058c4SJames Smart * lpfc_kill_board: Prepare a mailbox command for killing board. 1231e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 1232e59058c4SJames Smart * @pmb: pointer to the driver internal queue element for mailbox command. 1233e59058c4SJames Smart * 1234e59058c4SJames Smart * The kill board mailbox command is used to tell firmware to perform a 1235e59058c4SJames Smart * graceful shutdown of a channel on a specified board to prepare for reset. 1236e59058c4SJames Smart * When the kill board mailbox command is received, the ER3 bit is set to 1 1237e59058c4SJames Smart * in the Host Status register and the ER Attention bit is set to 1 in the 1238e59058c4SJames Smart * Host Attention register of the HBA function that received the kill board 1239e59058c4SJames Smart * command. 1240e59058c4SJames Smart * 1241e59058c4SJames Smart * This routine prepares the mailbox command for killing the board in 1242e59058c4SJames Smart * preparation for a graceful shutdown. 1243e59058c4SJames Smart **/ 1244dea3101eS void 124541415862SJamie Wellnitz lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 124641415862SJamie Wellnitz { 124741415862SJamie Wellnitz MAILBOX_t *mb = &pmb->mb; 124841415862SJamie Wellnitz 124941415862SJamie Wellnitz memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); 125041415862SJamie Wellnitz mb->mbxCommand = MBX_KILL_BOARD; 125141415862SJamie Wellnitz mb->mbxOwner = OWN_HOST; 125241415862SJamie Wellnitz return; 125341415862SJamie Wellnitz } 125441415862SJamie Wellnitz 1255e59058c4SJames Smart /** 1256e59058c4SJames Smart * lpfc_mbox_put: Put a mailbox cmd into the tail of driver's mailbox queue. 1257e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 1258e59058c4SJames Smart * @mbq: pointer to the driver internal queue element for mailbox command. 1259e59058c4SJames Smart * 1260e59058c4SJames Smart * Driver maintains a internal mailbox command queue implemented as a linked 1261e59058c4SJames Smart * list. When a mailbox command is issued, it shall be put into the mailbox 1262e59058c4SJames Smart * command queue such that they shall be processed orderly as HBA can process 1263e59058c4SJames Smart * one mailbox command at a time. 1264e59058c4SJames Smart **/ 126541415862SJamie Wellnitz void 1266dea3101eS lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq) 1267dea3101eS { 1268dea3101eS struct lpfc_sli *psli; 1269dea3101eS 1270dea3101eS psli = &phba->sli; 1271dea3101eS 1272dea3101eS list_add_tail(&mbq->list, &psli->mboxq); 1273dea3101eS 1274dea3101eS psli->mboxq_cnt++; 1275dea3101eS 1276dea3101eS return; 1277dea3101eS } 1278dea3101eS 1279e59058c4SJames Smart /** 1280e59058c4SJames Smart * lpfc_mbox_get: Remove a mailbox cmd from the head of driver's mailbox queue. 1281e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 1282e59058c4SJames Smart * 1283e59058c4SJames Smart * Driver maintains a internal mailbox command queue implemented as a linked 1284e59058c4SJames Smart * list. When a mailbox command is issued, it shall be put into the mailbox 1285e59058c4SJames Smart * command queue such that they shall be processed orderly as HBA can process 1286e59058c4SJames Smart * one mailbox command at a time. After HBA finished processing a mailbox 1287e59058c4SJames Smart * command, the driver will remove a pending mailbox command from the head of 1288e59058c4SJames Smart * the mailbox command queue and send to the HBA for processing. 1289e59058c4SJames Smart * 1290e59058c4SJames Smart * Return codes 1291e59058c4SJames Smart * pointer to the driver internal queue element for mailbox command. 1292e59058c4SJames Smart **/ 1293dea3101eS LPFC_MBOXQ_t * 1294dea3101eS lpfc_mbox_get(struct lpfc_hba * phba) 1295dea3101eS { 1296dea3101eS LPFC_MBOXQ_t *mbq = NULL; 1297dea3101eS struct lpfc_sli *psli = &phba->sli; 1298dea3101eS 12992e0fef85SJames Smart list_remove_head((&psli->mboxq), mbq, LPFC_MBOXQ_t, list); 130092d7f7b0SJames Smart if (mbq) 1301dea3101eS psli->mboxq_cnt--; 1302dea3101eS 1303dea3101eS return mbq; 1304dea3101eS } 1305a309a6b6SJames Smart 1306e59058c4SJames Smart /** 1307e59058c4SJames Smart * lpfc_mbox_cmpl_put: Put mailbox command into mailbox command complete list. 1308e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 1309e59058c4SJames Smart * @mbq: pointer to the driver internal queue element for mailbox command. 1310e59058c4SJames Smart * 1311e59058c4SJames Smart * This routine put the completed mailbox command into the mailbox command 1312e59058c4SJames Smart * complete list. This routine is called from driver interrupt handler 1313e59058c4SJames Smart * context.The mailbox complete list is used by the driver worker thread 1314e59058c4SJames Smart * to process mailbox complete callback functions outside the driver interrupt 1315e59058c4SJames Smart * handler. 1316e59058c4SJames Smart **/ 131792d7f7b0SJames Smart void 131892d7f7b0SJames Smart lpfc_mbox_cmpl_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq) 131992d7f7b0SJames Smart { 13205b75da2fSJames Smart unsigned long iflag; 13215b75da2fSJames Smart 1322b1c11812SJoe Perches /* This function expects to be called from interrupt context */ 13235b75da2fSJames Smart spin_lock_irqsave(&phba->hbalock, iflag); 132492d7f7b0SJames Smart list_add_tail(&mbq->list, &phba->sli.mboxq_cmpl); 13255b75da2fSJames Smart spin_unlock_irqrestore(&phba->hbalock, iflag); 132692d7f7b0SJames Smart return; 132792d7f7b0SJames Smart } 132892d7f7b0SJames Smart 1329e59058c4SJames Smart /** 1330e59058c4SJames Smart * lpfc_mbox_tmo_val: Retrieve mailbox command timeout value. 1331e59058c4SJames Smart * @phba: pointer to lpfc hba data structure. 1332e59058c4SJames Smart * @cmd: mailbox command code. 1333e59058c4SJames Smart * 1334e59058c4SJames Smart * This routine retrieves the proper timeout value according to the mailbox 1335e59058c4SJames Smart * command code. 1336e59058c4SJames Smart * 1337e59058c4SJames Smart * Return codes 1338e59058c4SJames Smart * Timeout value to be used for the given mailbox command 1339e59058c4SJames Smart **/ 1340a309a6b6SJames Smart int 1341a309a6b6SJames Smart lpfc_mbox_tmo_val(struct lpfc_hba *phba, int cmd) 1342a309a6b6SJames Smart { 1343a309a6b6SJames Smart switch (cmd) { 1344a309a6b6SJames Smart case MBX_WRITE_NV: /* 0x03 */ 1345a309a6b6SJames Smart case MBX_UPDATE_CFG: /* 0x1B */ 1346a309a6b6SJames Smart case MBX_DOWN_LOAD: /* 0x1C */ 1347a309a6b6SJames Smart case MBX_DEL_LD_ENTRY: /* 0x1D */ 1348a309a6b6SJames Smart case MBX_LOAD_AREA: /* 0x81 */ 134909372820SJames Smart case MBX_WRITE_WWN: /* 0x98 */ 1350a309a6b6SJames Smart case MBX_LOAD_EXP_ROM: /* 0x9C */ 1351a309a6b6SJames Smart return LPFC_MBOX_TMO_FLASH_CMD; 1352a309a6b6SJames Smart } 1353a309a6b6SJames Smart return LPFC_MBOX_TMO; 1354a309a6b6SJames Smart } 1355