| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| James Smart | 8356 | 76.24% | 72 | 87.80% |
| James Bottomley | 2479 | 22.62% | 1 | 1.22% |
| Jamie Wellnitz | 112 | 1.02% | 3 | 3.66% |
| Johannes Thumshirn | 5 | 0.05% | 1 | 1.22% |
| Tejun Heo | 3 | 0.03% | 1 | 1.22% |
| Baoyou Xie | 2 | 0.02% | 1 | 1.22% |
| Luis R. Rodriguez | 1 | 0.01% | 1 | 1.22% |
| Joe Perches | 1 | 0.01% | 1 | 1.22% |
| Lucas De Marchi | 1 | 0.01% | 1 | 1.22% |
| Total | 10960 | 82 |
/******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * * Copyright (C) 2017-2018 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2004-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.broadcom.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * * * * This program is free software; you can redistribute it and/or * * modify it under the terms of version 2 of the GNU General * * Public License as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful. * * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * * TO BE LEGALLY INVALID. See the GNU General Public License for * * more details, a copy of which can be found in the file COPYING * * included with this package. * *******************************************************************/ #include <linux/blkdev.h> #include <linux/pci.h> #include <linux/slab.h> #include <linux/interrupt.h> #include <scsi/scsi_device.h> #include <scsi/scsi_transport_fc.h> #include <scsi/scsi.h> #include <scsi/fc/fc_fs.h> #include "lpfc_hw4.h" #include "lpfc_hw.h" #include "lpfc_sli.h" #include "lpfc_sli4.h" #include "lpfc_nl.h" #include "lpfc_disc.h" #include "lpfc_scsi.h" #include "lpfc.h" #include "lpfc_logmsg.h" #include "lpfc_crtn.h" #include "lpfc_compat.h" /** * lpfc_dump_static_vport - Dump HBA's static vport information. * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @offset: offset for dumping vport info. * * The dump mailbox command provides a method for the device driver to obtain * various types of information from the HBA device. * * This routine prepares the mailbox command for dumping list of static * vports to be created. **/ int lpfc_dump_static_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, uint16_t offset) { MAILBOX_t *mb; struct lpfc_dmabuf *mp; mb = &pmb->u.mb; /* Setup to dump vport info region */ memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); mb->mbxCommand = MBX_DUMP_MEMORY; mb->un.varDmp.type = DMP_NV_PARAMS; mb->un.varDmp.entry_index = offset; mb->un.varDmp.region_id = DMP_REGION_VPORT; mb->mbxOwner = OWN_HOST; /* For SLI3 HBAs data is embedded in mailbox */ if (phba->sli_rev != LPFC_SLI_REV4) { mb->un.varDmp.cv = 1; mb->un.varDmp.word_cnt = DMP_RSP_SIZE/sizeof(uint32_t); return 0; } /* For SLI4 HBAs driver need to allocate memory */ mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); if (mp) mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); if (!mp || !mp->virt) { kfree(mp); lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, "2605 lpfc_dump_static_vport: memory" " allocation failed\n"); return 1; } memset(mp->virt, 0, LPFC_BPL_SIZE); INIT_LIST_HEAD(&mp->list); /* save address for completion */ pmb->ctx_buf = (uint8_t *)mp; mb->un.varWords[3] = putPaddrLow(mp->phys); mb->un.varWords[4] = putPaddrHigh(mp->phys); mb->un.varDmp.sli4_length = sizeof(struct static_vport_info); return 0; } /** * lpfc_down_link - Bring down HBAs link. * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * * This routine prepares a mailbox command to bring down HBA link. **/ void lpfc_down_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { MAILBOX_t *mb; memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); mb = &pmb->u.mb; mb->mbxCommand = MBX_DOWN_LINK; mb->mbxOwner = OWN_HOST; } /** * lpfc_dump_mem - Prepare a mailbox command for reading a region. * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @offset: offset into the region. * @region_id: config region id. * * The dump mailbox command provides a method for the device driver to obtain * various types of information from the HBA device. * * This routine prepares the mailbox command for dumping HBA's config region. **/ void lpfc_dump_mem(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, uint16_t offset, uint16_t region_id) { MAILBOX_t *mb; void *ctx; mb = &pmb->u.mb; ctx = pmb->ctx_buf; /* Setup to dump VPD region */ memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); mb->mbxCommand = MBX_DUMP_MEMORY; mb->un.varDmp.cv = 1; mb->un.varDmp.type = DMP_NV_PARAMS; mb->un.varDmp.entry_index = offset; mb->un.varDmp.region_id = region_id; mb->un.varDmp.word_cnt = (DMP_RSP_SIZE / sizeof (uint32_t)); mb->un.varDmp.co = 0; mb->un.varDmp.resp_offset = 0; pmb->ctx_buf = ctx; mb->mbxOwner = OWN_HOST; return; } /** * lpfc_dump_wakeup_param - Prepare mailbox command for retrieving wakeup params * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * * This function create a dump memory mailbox command to dump wake up * parameters. */ void lpfc_dump_wakeup_param(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { MAILBOX_t *mb; void *ctx; mb = &pmb->u.mb; /* Save context so that we can restore after memset */ ctx = pmb->ctx_buf; /* Setup to dump VPD region */ memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); mb->mbxCommand = MBX_DUMP_MEMORY; mb->mbxOwner = OWN_HOST; mb->un.varDmp.cv = 1; mb->un.varDmp.type = DMP_NV_PARAMS; if (phba->sli_rev < LPFC_SLI_REV4) mb->un.varDmp.entry_index = 0; mb->un.varDmp.region_id = WAKE_UP_PARMS_REGION_ID; mb->un.varDmp.word_cnt = WAKE_UP_PARMS_WORD_SIZE; mb->un.varDmp.co = 0; mb->un.varDmp.resp_offset = 0; pmb->ctx_buf = ctx; return; } /** * lpfc_read_nv - Prepare a mailbox command for reading HBA's NVRAM param * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * * The read NVRAM mailbox command returns the HBA's non-volatile parameters * that are used as defaults when the Fibre Channel link is brought on-line. * * This routine prepares the mailbox command for reading information stored * in the HBA's NVRAM. Specifically, the HBA's WWNN and WWPN. **/ void lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) { MAILBOX_t *mb; mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); mb->mbxCommand = MBX_READ_NV; mb->mbxOwner = OWN_HOST; return; } /** * lpfc_config_async - Prepare a mailbox command for enabling HBA async event * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @ring: ring number for the asynchronous event to be configured. * * The asynchronous event enable mailbox command is used to enable the * asynchronous event posting via the ASYNC_STATUS_CN IOCB response and * specifies the default ring to which events are posted. * * This routine prepares the mailbox command for enabling HBA asynchronous * event support on a IOCB ring. **/ void lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint32_t ring) { MAILBOX_t *mb; mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); mb->mbxCommand = MBX_ASYNCEVT_ENABLE; mb->un.varCfgAsyncEvent.ring = ring; mb->mbxOwner = OWN_HOST; return; } /** * lpfc_heart_beat - Prepare a mailbox command for heart beat * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * * The heart beat mailbox command is used to detect an unresponsive HBA, which * is defined as any device where no error attention is sent and both mailbox * and rings are not processed. * * This routine prepares the mailbox command for issuing a heart beat in the * form of mailbox command to the HBA. The timely completion of the heart * beat mailbox command indicates the health of the HBA. **/ void lpfc_heart_beat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) { MAILBOX_t *mb; mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); mb->mbxCommand = MBX_HEARTBEAT; mb->mbxOwner = OWN_HOST; return; } /** * lpfc_read_topology - Prepare a mailbox command for reading HBA topology * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @mp: DMA buffer memory for reading the link attention information into. * * The read topology mailbox command is issued to read the link topology * information indicated by the HBA port when the Link Event bit of the Host * Attention (HSTATT) register is set to 1 (For SLI-3) or when an FC Link * Attention ACQE is received from the port (For SLI-4). A Link Event * Attention occurs based on an exception detected at the Fibre Channel link * interface. * * This routine prepares the mailbox command for reading HBA link topology * information. A DMA memory has been set aside and address passed to the * HBA through @mp for the HBA to DMA link attention information into the * memory as part of the execution of the mailbox command. * * Return codes * 0 - Success (currently always return 0) **/ int lpfc_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, struct lpfc_dmabuf *mp) { MAILBOX_t *mb; mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); INIT_LIST_HEAD(&mp->list); mb->mbxCommand = MBX_READ_TOPOLOGY; mb->un.varReadTop.lilpBde64.tus.f.bdeSize = LPFC_ALPA_MAP_SIZE; mb->un.varReadTop.lilpBde64.addrHigh = putPaddrHigh(mp->phys); mb->un.varReadTop.lilpBde64.addrLow = putPaddrLow(mp->phys); /* Save address for later completion and set the owner to host so that * the FW knows this mailbox is available for processing. */ pmb->ctx_buf = (uint8_t *)mp; mb->mbxOwner = OWN_HOST; return (0); } /** * lpfc_clear_la - Prepare a mailbox command for clearing HBA link attention * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * * The clear link attention mailbox command is issued to clear the link event * attention condition indicated by the Link Event bit of the Host Attention * (HSTATT) register. The link event attention condition is cleared only if * the event tag specified matches that of the current link event counter. * The current event tag is read using the read link attention event mailbox * command. * * This routine prepares the mailbox command for clearing HBA link attention * information. **/ void lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) { MAILBOX_t *mb; mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); mb->un.varClearLA.eventTag = phba->fc_eventTag; mb->mbxCommand = MBX_CLEAR_LA; mb->mbxOwner = OWN_HOST; return; } /** * lpfc_config_link - Prepare a mailbox command for configuring link on a HBA * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * * The configure link mailbox command is used before the initialize link * mailbox command to override default value and to configure link-oriented * parameters such as DID address and various timers. Typically, this * command would be used after an F_Port login to set the returned DID address * and the fabric timeout values. This command is not valid before a configure * port command has configured the HBA port. * * This routine prepares the mailbox command for configuring link on a HBA. **/ void lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) { struct lpfc_vport *vport = phba->pport; MAILBOX_t *mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); /* NEW_FEATURE * SLI-2, Coalescing Response Feature. */ if (phba->cfg_cr_delay && (phba->sli_rev < LPFC_SLI_REV4)) { mb->un.varCfgLnk.cr = 1; mb->un.varCfgLnk.ci = 1; mb->un.varCfgLnk.cr_delay = phba->cfg_cr_delay; mb->un.varCfgLnk.cr_count = phba->cfg_cr_count; } mb->un.varCfgLnk.myId = vport->fc_myDID; mb->un.varCfgLnk.edtov = phba->fc_edtov; mb->un.varCfgLnk.arbtov = phba->fc_arbtov; mb->un.varCfgLnk.ratov = phba->fc_ratov; mb->un.varCfgLnk.rttov = phba->fc_rttov; mb->un.varCfgLnk.altov = phba->fc_altov; mb->un.varCfgLnk.crtov = phba->fc_crtov; mb->un.varCfgLnk.cscn = 0; if (phba->bbcredit_support && phba->cfg_enable_bbcr) { mb->un.varCfgLnk.cscn = 1; mb->un.varCfgLnk.bbscn = bf_get(lpfc_bbscn_def, &phba->sli4_hba.bbscn_params); } if (phba->cfg_ack0 && (phba->sli_rev < LPFC_SLI_REV4)) mb->un.varCfgLnk.ack0_enable = 1; mb->mbxCommand = MBX_CONFIG_LINK; mb->mbxOwner = OWN_HOST; return; } /** * lpfc_config_msi - Prepare a mailbox command for configuring msi-x * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * * The configure MSI-X mailbox command is used to configure the HBA's SLI-3 * MSI-X multi-message interrupt vector association to interrupt attention * conditions. * * Return codes * 0 - Success * -EINVAL - Failure **/ int lpfc_config_msi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { MAILBOX_t *mb = &pmb->u.mb; uint32_t attentionConditions[2]; /* Sanity check */ if (phba->cfg_use_msi != 2) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0475 Not configured for supporting MSI-X " "cfg_use_msi: 0x%x\n", phba->cfg_use_msi); return -EINVAL; } if (phba->sli_rev < 3) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0476 HBA not supporting SLI-3 or later " "SLI Revision: 0x%x\n", phba->sli_rev); return -EINVAL; } /* Clear mailbox command fields */ memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); /* * SLI-3, Message Signaled Interrupt Fearure. */ /* Multi-message attention configuration */ attentionConditions[0] = (HA_R0ATT | HA_R1ATT | HA_R2ATT | HA_ERATT | HA_LATT | HA_MBATT); attentionConditions[1] = 0; mb->un.varCfgMSI.attentionConditions[0] = attentionConditions[0]; mb->un.varCfgMSI.attentionConditions[1] = attentionConditions[1]; /* * Set up message number to HA bit association */ #ifdef __BIG_ENDIAN_BITFIELD /* RA0 (FCP Ring) */ mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS] = 1; /* RA1 (Other Protocol Extra Ring) */ mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS] = 1; #else /* __LITTLE_ENDIAN_BITFIELD */ /* RA0 (FCP Ring) */ mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS^3] = 1; /* RA1 (Other Protocol Extra Ring) */ mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS^3] = 1; #endif /* Multi-message interrupt autoclear configuration*/ mb->un.varCfgMSI.autoClearHA[0] = attentionConditions[0]; mb->un.varCfgMSI.autoClearHA[1] = attentionConditions[1]; /* For now, HBA autoclear does not work reliably, disable it */ mb->un.varCfgMSI.autoClearHA[0] = 0; mb->un.varCfgMSI.autoClearHA[1] = 0; /* Set command and owner bit */ mb->mbxCommand = MBX_CONFIG_MSI; mb->mbxOwner = OWN_HOST; return 0; } /** * lpfc_init_link - Prepare a mailbox command for initialize link on a HBA * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @topology: the link topology for the link to be initialized to. * @linkspeed: the link speed for the link to be initialized to. * * The initialize link mailbox command is used to initialize the Fibre * Channel link. This command must follow a configure port command that * establishes the mode of operation. * * This routine prepares the mailbox command for initializing link on a HBA * with the specified link topology and speed. **/ void lpfc_init_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint32_t topology, uint32_t linkspeed) { lpfc_vpd_t *vpd; MAILBOX_t *mb; mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); switch (topology) { case FLAGS_TOPOLOGY_MODE_LOOP_PT: mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP; mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER; break; case FLAGS_TOPOLOGY_MODE_PT_PT: mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT; break; case FLAGS_TOPOLOGY_MODE_LOOP: mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_LOOP; break; case FLAGS_TOPOLOGY_MODE_PT_LOOP: mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT; mb->un.varInitLnk.link_flags |= FLAGS_TOPOLOGY_FAILOVER; break; case FLAGS_LOCAL_LB: mb->un.varInitLnk.link_flags = FLAGS_LOCAL_LB; break; } if ((phba->pcidev->device == PCI_DEVICE_ID_LANCER_G6_FC || phba->pcidev->device == PCI_DEVICE_ID_LANCER_G7_FC) && mb->un.varInitLnk.link_flags & FLAGS_TOPOLOGY_MODE_LOOP) { mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT; phba->cfg_topology = FLAGS_TOPOLOGY_MODE_PT_PT; } /* Enable asynchronous ABTS responses from firmware */ mb->un.varInitLnk.link_flags |= FLAGS_IMED_ABORT; /* NEW_FEATURE * Setting up the link speed */ vpd = &phba->vpd; if (vpd->rev.feaLevelHigh >= 0x02){ switch(linkspeed){ case LPFC_USER_LINK_SPEED_1G: mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; mb->un.varInitLnk.link_speed = LINK_SPEED_1G; break; case LPFC_USER_LINK_SPEED_2G: mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; mb->un.varInitLnk.link_speed = LINK_SPEED_2G; break; case LPFC_USER_LINK_SPEED_4G: mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; mb->un.varInitLnk.link_speed = LINK_SPEED_4G; break; case LPFC_USER_LINK_SPEED_8G: mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; mb->un.varInitLnk.link_speed = LINK_SPEED_8G; break; case LPFC_USER_LINK_SPEED_10G: mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; mb->un.varInitLnk.link_speed = LINK_SPEED_10G; break; case LPFC_USER_LINK_SPEED_16G: mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; mb->un.varInitLnk.link_speed = LINK_SPEED_16G; break; case LPFC_USER_LINK_SPEED_32G: mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; mb->un.varInitLnk.link_speed = LINK_SPEED_32G; break; case LPFC_USER_LINK_SPEED_64G: mb->un.varInitLnk.link_flags |= FLAGS_LINK_SPEED; mb->un.varInitLnk.link_speed = LINK_SPEED_64G; break; case LPFC_USER_LINK_SPEED_AUTO: default: mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO; break; } } else mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO; mb->mbxCommand = (volatile uint8_t)MBX_INIT_LINK; mb->mbxOwner = OWN_HOST; mb->un.varInitLnk.fabric_AL_PA = phba->fc_pref_ALPA; return; } /** * lpfc_read_sparam - Prepare a mailbox command for reading HBA parameters * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * @vpi: virtual N_Port identifier. * * The read service parameter mailbox command is used to read the HBA port * service parameters. The service parameters are read into the buffer * specified directly by a BDE in the mailbox command. These service * parameters may then be used to build the payload of an N_Port/F_POrt * login request and reply (LOGI/ACC). * * This routine prepares the mailbox command for reading HBA port service * parameters. The DMA memory is allocated in this function and the addresses * are populated into the mailbox command for the HBA to DMA the service * parameters into. * * Return codes * 0 - Success * 1 - DMA memory allocation failed **/ int lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi) { struct lpfc_dmabuf *mp; MAILBOX_t *mb; mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); mb->mbxOwner = OWN_HOST; /* Get a buffer to hold the HBAs Service Parameters */ mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); if (mp) mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); if (!mp || !mp->virt) { kfree(mp); mb->mbxCommand = MBX_READ_SPARM64; /* READ_SPARAM: no buffers */ lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, "0301 READ_SPARAM: no buffers\n"); return (1); } INIT_LIST_HEAD(&mp->list); mb->mbxCommand = MBX_READ_SPARM64; mb->un.varRdSparm.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm); mb->un.varRdSparm.un.sp64.addrHigh = putPaddrHigh(mp->phys); mb->un.varRdSparm.un.sp64.addrLow = putPaddrLow(mp->phys); if (phba->sli_rev >= LPFC_SLI_REV3) mb->un.varRdSparm.vpi = phba->vpi_ids[vpi]; /* save address for completion */ pmb->ctx_buf = mp; return (0); } /** * lpfc_unreg_did - Prepare a mailbox command for unregistering DID * @phba: pointer to lpfc hba data structure. * @vpi: virtual N_Port identifier. * @did: remote port identifier. * @pmb: pointer to the driver internal queue element for mailbox command. * * The unregister DID mailbox command is used to unregister an N_Port/F_Port * login for an unknown RPI by specifying the DID of a remote port. This * command frees an RPI context in the HBA port. This has the effect of * performing an implicit N_Port/F_Port logout. * * This routine prepares the mailbox command for unregistering a remote * N_Port/F_Port (DID) login. **/ void lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did, LPFC_MBOXQ_t * pmb) { MAILBOX_t *mb; mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); mb->un.varUnregDID.did = did; mb->un.varUnregDID.vpi = vpi; if ((vpi != 0xffff) && (phba->sli_rev == LPFC_SLI_REV4)) mb->un.varUnregDID.vpi = phba->vpi_ids[vpi]; mb->mbxCommand = MBX_UNREG_D_ID; mb->mbxOwner = OWN_HOST; return; } /** * lpfc_read_config - Prepare a mailbox command for reading HBA configuration * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * * The read configuration mailbox command is used to read the HBA port * configuration parameters. This mailbox command provides a method for * seeing any parameters that may have changed via various configuration * mailbox commands. * * This routine prepares the mailbox command for reading out HBA configuration * parameters. **/ void lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) { MAILBOX_t *mb; mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); mb->mbxCommand = MBX_READ_CONFIG; mb->mbxOwner = OWN_HOST; return; } /** * lpfc_read_lnk_stat - Prepare a mailbox command for reading HBA link stats * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * * The read link status mailbox command is used to read the link status from * the HBA. Link status includes all link-related error counters. These * counters are maintained by the HBA and originated in the link hardware * unit. Note that all of these counters wrap. * * This routine prepares the mailbox command for reading out HBA link status. **/ void lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) { MAILBOX_t *mb; mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); mb->mbxCommand = MBX_READ_LNK_STAT; mb->mbxOwner = OWN_HOST; return; } /** * lpfc_reg_rpi - Prepare a mailbox command for registering remote login * @phba: pointer to lpfc hba data structure. * @vpi: virtual N_Port identifier. * @did: remote port identifier. * @param: pointer to memory holding the server parameters. * @pmb: pointer to the driver internal queue element for mailbox command. * @rpi: the rpi to use in the registration (usually only used for SLI4. * * The registration login mailbox command is used to register an N_Port or * F_Port login. This registration allows the HBA to cache the remote N_Port * service parameters internally and thereby make the appropriate FC-2 * decisions. The remote port service parameters are handed off by the driver * to the HBA using a descriptor entry that directly identifies a buffer in * host memory. In exchange, the HBA returns an RPI identifier. * * This routine prepares the mailbox command for registering remote port login. * The function allocates DMA buffer for passing the service parameters to the * HBA with the mailbox command. * * Return codes * 0 - Success * 1 - DMA memory allocation failed **/ int lpfc_reg_rpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t did, uint8_t *param, LPFC_MBOXQ_t *pmb, uint16_t rpi) { MAILBOX_t *mb = &pmb->u.mb; uint8_t *sparam; struct lpfc_dmabuf *mp; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); mb->un.varRegLogin.rpi = 0; if (phba->sli_rev == LPFC_SLI_REV4) mb->un.varRegLogin.rpi = phba->sli4_hba.rpi_ids[rpi]; if (phba->sli_rev >= LPFC_SLI_REV3) mb->un.varRegLogin.vpi = phba->vpi_ids[vpi]; mb->un.varRegLogin.did = did; mb->mbxOwner = OWN_HOST; /* Get a buffer to hold NPorts Service Parameters */ mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); if (mp) mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); if (!mp || !mp->virt) { kfree(mp); mb->mbxCommand = MBX_REG_LOGIN64; /* REG_LOGIN: no buffers */ lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, "0302 REG_LOGIN: no buffers, VPI:%d DID:x%x, " "rpi x%x\n", vpi, did, rpi); return 1; } INIT_LIST_HEAD(&mp->list); sparam = mp->virt; /* Copy param's into a new buffer */ memcpy(sparam, param, sizeof (struct serv_parm)); /* save address for completion */ pmb->ctx_buf = (uint8_t *)mp; mb->mbxCommand = MBX_REG_LOGIN64; mb->un.varRegLogin.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm); mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys); mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys); return 0; } /** * lpfc_unreg_login - Prepare a mailbox command for unregistering remote login * @phba: pointer to lpfc hba data structure. * @vpi: virtual N_Port identifier. * @rpi: remote port identifier * @pmb: pointer to the driver internal queue element for mailbox command. * * The unregistration login mailbox command is used to unregister an N_Port * or F_Port login. This command frees an RPI context in the HBA. It has the * effect of performing an implicit N_Port/F_Port logout. * * This routine prepares the mailbox command for unregistering remote port * login. * * For SLI4 ports, the rpi passed to this function must be the physical * rpi value, not the logical index. **/ void lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi, LPFC_MBOXQ_t * pmb) { MAILBOX_t *mb; mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); mb->un.varUnregLogin.rpi = rpi; mb->un.varUnregLogin.rsvd1 = 0; if (phba->sli_rev >= LPFC_SLI_REV3) mb->un.varUnregLogin.vpi = phba->vpi_ids[vpi]; mb->mbxCommand = MBX_UNREG_LOGIN; mb->mbxOwner = OWN_HOST; return; } /** * lpfc_sli4_unreg_all_rpis - unregister all RPIs for a vport on SLI4 HBA. * @vport: pointer to a vport object. * * This routine sends mailbox command to unregister all active RPIs for * a vport. **/ void lpfc_sli4_unreg_all_rpis(struct lpfc_vport *vport) { struct lpfc_hba *phba = vport->phba; LPFC_MBOXQ_t *mbox; int rc; mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (mbox) { /* * For SLI4 functions, the rpi field is overloaded for * the vport context unreg all. This routine passes * 0 for the rpi field in lpfc_unreg_login for compatibility * with SLI3 and then overrides the rpi field with the * expected value for SLI4. */ lpfc_unreg_login(phba, vport->vpi, phba->vpi_ids[vport->vpi], mbox); mbox->u.mb.un.varUnregLogin.rsvd1 = 0x4000; mbox->vport = vport; mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; mbox->ctx_ndlp = NULL; rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); if (rc == MBX_NOT_FINISHED) mempool_free(mbox, phba->mbox_mem_pool); } } /** * lpfc_reg_vpi - Prepare a mailbox command for registering vport identifier * @phba: pointer to lpfc hba data structure. * @vpi: virtual N_Port identifier. * @sid: Fibre Channel S_ID (N_Port_ID assigned to a virtual N_Port). * @pmb: pointer to the driver internal queue element for mailbox command. * * The registration vport identifier mailbox command is used to activate a * virtual N_Port after it has acquired an N_Port_ID. The HBA validates the * N_Port_ID against the information in the selected virtual N_Port context * block and marks it active to allow normal processing of IOCB commands and * received unsolicited exchanges. * * This routine prepares the mailbox command for registering a virtual N_Port. **/ void lpfc_reg_vpi(struct lpfc_vport *vport, LPFC_MBOXQ_t *pmb) { MAILBOX_t *mb = &pmb->u.mb; struct lpfc_hba *phba = vport->phba; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); /* * Set the re-reg VPI bit for f/w to update the MAC address. */ if ((phba->sli_rev == LPFC_SLI_REV4) && !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) mb->un.varRegVpi.upd = 1; mb->un.varRegVpi.vpi = phba->vpi_ids[vport->vpi]; mb->un.varRegVpi.sid = vport->fc_myDID; if (phba->sli_rev == LPFC_SLI_REV4) mb->un.varRegVpi.vfi = phba->sli4_hba.vfi_ids[vport->vfi]; else mb->un.varRegVpi.vfi = vport->vfi + vport->phba->vfi_base; memcpy(mb->un.varRegVpi.wwn, &vport->fc_portname, sizeof(struct lpfc_name)); mb->un.varRegVpi.wwn[0] = cpu_to_le32(mb->un.varRegVpi.wwn[0]); mb->un.varRegVpi.wwn[1] = cpu_to_le32(mb->un.varRegVpi.wwn[1]); mb->mbxCommand = MBX_REG_VPI; mb->mbxOwner = OWN_HOST; return; } /** * lpfc_unreg_vpi - Prepare a mailbox command for unregistering vport id * @phba: pointer to lpfc hba data structure. * @vpi: virtual N_Port identifier. * @pmb: pointer to the driver internal queue element for mailbox command. * * The unregistration vport identifier mailbox command is used to inactivate * a virtual N_Port. The driver must have logged out and unregistered all * remote N_Ports to abort any activity on the virtual N_Port. The HBA will * unregisters any default RPIs associated with the specified vpi, aborting * any active exchanges. The HBA will post the mailbox response after making * the virtual N_Port inactive. * * This routine prepares the mailbox command for unregistering a virtual * N_Port. **/ void lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb) { MAILBOX_t *mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); if (phba->sli_rev == LPFC_SLI_REV3) mb->un.varUnregVpi.vpi = phba->vpi_ids[vpi]; else if (phba->sli_rev >= LPFC_SLI_REV4) mb->un.varUnregVpi.sli4_vpi = phba->vpi_ids[vpi]; mb->mbxCommand = MBX_UNREG_VPI; mb->mbxOwner = OWN_HOST; return; } /** * lpfc_config_pcb_setup - Set up IOCB rings in the Port Control Block (PCB) * @phba: pointer to lpfc hba data structure. * * This routine sets up and initializes the IOCB rings in the Port Control * Block (PCB). **/ static void lpfc_config_pcb_setup(struct lpfc_hba * phba) { struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring; PCB_t *pcbp = phba->pcb; dma_addr_t pdma_addr; uint32_t offset; uint32_t iocbCnt = 0; int i; pcbp->maxRing = (psli->num_rings - 1); for (i = 0; i < psli->num_rings; i++) { pring = &psli->sli3_ring[i]; pring->sli.sli3.sizeCiocb = phba->sli_rev == 3 ? SLI3_IOCB_CMD_SIZE : SLI2_IOCB_CMD_SIZE; pring->sli.sli3.sizeRiocb = phba->sli_rev == 3 ? SLI3_IOCB_RSP_SIZE : SLI2_IOCB_RSP_SIZE; /* A ring MUST have both cmd and rsp entries defined to be valid */ if ((pring->sli.sli3.numCiocb == 0) || (pring->sli.sli3.numRiocb == 0)) { pcbp->rdsc[i].cmdEntries = 0; pcbp->rdsc[i].rspEntries = 0; pcbp->rdsc[i].cmdAddrHigh = 0; pcbp->rdsc[i].rspAddrHigh = 0; pcbp->rdsc[i].cmdAddrLow = 0; pcbp->rdsc[i].rspAddrLow = 0; pring->sli.sli3.cmdringaddr = NULL; pring->sli.sli3.rspringaddr = NULL; continue; } /* Command ring setup for ring */ pring->sli.sli3.cmdringaddr = (void *)&phba->IOCBs[iocbCnt]; pcbp->rdsc[i].cmdEntries = pring->sli.sli3.numCiocb; offset = (uint8_t *) &phba->IOCBs[iocbCnt] - (uint8_t *) phba->slim2p.virt; pdma_addr = phba->slim2p.phys + offset; pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr); pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr); iocbCnt += pring->sli.sli3.numCiocb; /* Response ring setup for ring */ pring->sli.sli3.rspringaddr = (void *) &phba->IOCBs[iocbCnt]; pcbp->rdsc[i].rspEntries = pring->sli.sli3.numRiocb; offset = (uint8_t *)&phba->IOCBs[iocbCnt] - (uint8_t *)phba->slim2p.virt; pdma_addr = phba->slim2p.phys + offset; pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr); pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr); iocbCnt += pring->sli.sli3.numRiocb; } } /** * lpfc_read_rev - Prepare a mailbox command for reading HBA revision * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * * The read revision mailbox command is used to read the revision levels of * the HBA components. These components include hardware units, resident * firmware, and available firmware. HBAs that supports SLI-3 mode of * operation provide different response information depending on the version * requested by the driver. * * This routine prepares the mailbox command for reading HBA revision * information. **/ void lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) { MAILBOX_t *mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); mb->un.varRdRev.cv = 1; mb->un.varRdRev.v3req = 1; /* Request SLI3 info */ mb->mbxCommand = MBX_READ_REV; mb->mbxOwner = OWN_HOST; return; } void lpfc_sli4_swap_str(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { MAILBOX_t *mb = &pmb->u.mb; struct lpfc_mqe *mqe; switch (mb->mbxCommand) { case MBX_READ_REV: mqe = &pmb->u.mqe; lpfc_sli_pcimem_bcopy(mqe->un.read_rev.fw_name, mqe->un.read_rev.fw_name, 16); lpfc_sli_pcimem_bcopy(mqe->un.read_rev.ulp_fw_name, mqe->un.read_rev.ulp_fw_name, 16); break; default: break; } return; } /** * lpfc_build_hbq_profile2 - Set up the HBQ Selection Profile 2 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. * @hbq_desc: pointer to the HBQ selection profile descriptor. * * The Host Buffer Queue (HBQ) Selection Profile 2 specifies that the HBA * tests the incoming frames' R_CTL/TYPE fields with works 10:15 and performs * the Sequence Length Test using the fields in the Selection Profile 2 * extension in words 20:31. **/ static void lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb, struct lpfc_hbq_init *hbq_desc) { hbqmb->profiles.profile2.seqlenbcnt = hbq_desc->seqlenbcnt; hbqmb->profiles.profile2.maxlen = hbq_desc->maxlen; hbqmb->profiles.profile2.seqlenoff = hbq_desc->seqlenoff; } /** * lpfc_build_hbq_profile3 - Set up the HBQ Selection Profile 3 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. * @hbq_desc: pointer to the HBQ selection profile descriptor. * * The Host Buffer Queue (HBQ) Selection Profile 3 specifies that the HBA * tests the incoming frame's R_CTL/TYPE fields with words 10:15 and performs * the Sequence Length Test and Byte Field Test using the fields in the * Selection Profile 3 extension in words 20:31. **/ static void lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb, struct lpfc_hbq_init *hbq_desc) { hbqmb->profiles.profile3.seqlenbcnt = hbq_desc->seqlenbcnt; hbqmb->profiles.profile3.maxlen = hbq_desc->maxlen; hbqmb->profiles.profile3.cmdcodeoff = hbq_desc->cmdcodeoff; hbqmb->profiles.profile3.seqlenoff = hbq_desc->seqlenoff; memcpy(&hbqmb->profiles.profile3.cmdmatch, hbq_desc->cmdmatch, sizeof(hbqmb->profiles.profile3.cmdmatch)); } /** * lpfc_build_hbq_profile5 - Set up the HBQ Selection Profile 5 * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. * @hbq_desc: pointer to the HBQ selection profile descriptor. * * The Host Buffer Queue (HBQ) Selection Profile 5 specifies a header HBQ. The * HBA tests the initial frame of an incoming sequence using the frame's * R_CTL/TYPE fields with words 10:15 and performs the Sequence Length Test * and Byte Field Test using the fields in the Selection Profile 5 extension * words 20:31. **/ static void lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb, struct lpfc_hbq_init *hbq_desc) { hbqmb->profiles.profile5.seqlenbcnt = hbq_desc->seqlenbcnt; hbqmb->profiles.profile5.maxlen = hbq_desc->maxlen; hbqmb->profiles.profile5.cmdcodeoff = hbq_desc->cmdcodeoff; hbqmb->profiles.profile5.seqlenoff = hbq_desc->seqlenoff; memcpy(&hbqmb->profiles.profile5.cmdmatch, hbq_desc->cmdmatch, sizeof(hbqmb->profiles.profile5.cmdmatch)); } /** * lpfc_config_hbq - Prepare a mailbox command for configuring an HBQ * @phba: pointer to lpfc hba data structure. * @id: HBQ identifier. * @hbq_desc: pointer to the HBA descriptor data structure. * @hbq_entry_index: index of the HBQ entry data structures. * @pmb: pointer to the driver internal queue element for mailbox command. * * The configure HBQ (Host Buffer Queue) mailbox command is used to configure * an HBQ. The configuration binds events that require buffers to a particular * ring and HBQ based on a selection profile. * * This routine prepares the mailbox command for configuring an HBQ. **/ void lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id, struct lpfc_hbq_init *hbq_desc, uint32_t hbq_entry_index, LPFC_MBOXQ_t *pmb) { int i; MAILBOX_t *mb = &pmb->u.mb; struct config_hbq_var *hbqmb = &mb->un.varCfgHbq; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); hbqmb->hbqId = id; hbqmb->entry_count = hbq_desc->entry_count; /* # entries in HBQ */ hbqmb->recvNotify = hbq_desc->rn; /* Receive * Notification */ hbqmb->numMask = hbq_desc->mask_count; /* # R_CTL/TYPE masks * # in words 0-19 */ hbqmb->profile = hbq_desc->profile; /* Selection profile: * 0 = all, * 7 = logentry */ hbqmb->ringMask = hbq_desc->ring_mask; /* Binds HBQ to a ring * e.g. Ring0=b0001, * ring2=b0100 */ hbqmb->headerLen = hbq_desc->headerLen; /* 0 if not profile 4 * or 5 */ hbqmb->logEntry = hbq_desc->logEntry; /* Set to 1 if this * HBQ will be used * for LogEntry * buffers */ hbqmb->hbqaddrLow = putPaddrLow(phba->hbqslimp.phys) + hbq_entry_index * sizeof(struct lpfc_hbq_entry); hbqmb->hbqaddrHigh = putPaddrHigh(phba->hbqslimp.phys); mb->mbxCommand = MBX_CONFIG_HBQ; mb->mbxOwner = OWN_HOST; /* Copy info for profiles 2,3,5. Other * profiles this area is reserved */ if (hbq_desc->profile == 2) lpfc_build_hbq_profile2(hbqmb, hbq_desc); else if (hbq_desc->profile == 3) lpfc_build_hbq_profile3(hbqmb, hbq_desc); else if (hbq_desc->profile == 5) lpfc_build_hbq_profile5(hbqmb, hbq_desc); /* Return if no rctl / type masks for this HBQ */ if (!hbq_desc->mask_count) return; /* Otherwise we setup specific rctl / type masks for this HBQ */ for (i = 0; i < hbq_desc->mask_count; i++) { hbqmb->hbqMasks[i].tmatch = hbq_desc->hbqMasks[i].tmatch; hbqmb->hbqMasks[i].tmask = hbq_desc->hbqMasks[i].tmask; hbqmb->hbqMasks[i].rctlmatch = hbq_desc->hbqMasks[i].rctlmatch; hbqmb->hbqMasks[i].rctlmask = hbq_desc->hbqMasks[i].rctlmask; } return; } /** * lpfc_config_ring - Prepare a mailbox command for configuring an IOCB ring * @phba: pointer to lpfc hba data structure. * @ring: * @pmb: pointer to the driver internal queue element for mailbox command. * * The configure ring mailbox command is used to configure an IOCB ring. This * configuration binds from one to six of HBA RC_CTL/TYPE mask entries to the * ring. This is used to map incoming sequences to a particular ring whose * RC_CTL/TYPE mask entry matches that of the sequence. The driver should not * attempt to configure a ring whose number is greater than the number * specified in the Port Control Block (PCB). It is an error to issue the * configure ring command more than once with the same ring number. The HBA * returns an error if the driver attempts this. * * This routine prepares the mailbox command for configuring IOCB ring. **/ void lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb) { int i; MAILBOX_t *mb = &pmb->u.mb; struct lpfc_sli *psli; struct lpfc_sli_ring *pring; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); mb->un.varCfgRing.ring = ring; mb->un.varCfgRing.maxOrigXchg = 0; mb->un.varCfgRing.maxRespXchg = 0; mb->un.varCfgRing.recvNotify = 1; psli = &phba->sli; pring = &psli->sli3_ring[ring]; mb->un.varCfgRing.numMask = pring->num_mask; mb->mbxCommand = MBX_CONFIG_RING; mb->mbxOwner = OWN_HOST; /* Is this ring configured for a specific profile */ if (pring->prt[0].profile) { mb->un.varCfgRing.profile = pring->prt[0].profile; return; } /* Otherwise we setup specific rctl / type masks for this ring */ for (i = 0; i < pring->num_mask; i++) { mb->un.varCfgRing.rrRegs[i].rval = pring->prt[i].rctl; if (mb->un.varCfgRing.rrRegs[i].rval != FC_RCTL_ELS_REQ) mb->un.varCfgRing.rrRegs[i].rmask = 0xff; else mb->un.varCfgRing.rrRegs[i].rmask = 0xfe; mb->un.varCfgRing.rrRegs[i].tval = pring->prt[i].type; mb->un.varCfgRing.rrRegs[i].tmask = 0xff; } return; } /** * lpfc_config_port - Prepare a mailbox command for configuring port * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * * The configure port mailbox command is used to identify the Port Control * Block (PCB) in the driver memory. After this command is issued, the * driver must not access the mailbox in the HBA without first resetting * the HBA. The HBA may copy the PCB information to internal storage for * subsequent use; the driver can not change the PCB information unless it * resets the HBA. * * This routine prepares the mailbox command for configuring port. **/ void lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { MAILBOX_t __iomem *mb_slim = (MAILBOX_t __iomem *) phba->MBslimaddr; MAILBOX_t *mb = &pmb->u.mb; dma_addr_t pdma_addr; uint32_t bar_low, bar_high; size_t offset; struct lpfc_hgp hgp; int i; uint32_t pgp_offset; memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); mb->mbxCommand = MBX_CONFIG_PORT; mb->mbxOwner = OWN_HOST; mb->un.varCfgPort.pcbLen = sizeof(PCB_t); offset = (uint8_t *)phba->pcb - (uint8_t *)phba->slim2p.virt; pdma_addr = phba->slim2p.phys + offset; mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr); mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr); /* Always Host Group Pointer is in SLIM */ mb->un.varCfgPort.hps = 1; /* If HBA supports SLI=3 ask for it */ if (phba->sli_rev == LPFC_SLI_REV3 && phba->vpd.sli3Feat.cerbm) { if (phba->cfg_enable_bg) mb->un.varCfgPort.cbg = 1; /* configure BlockGuard */ if (phba->cfg_enable_dss) mb->un.varCfgPort.cdss = 1; /* Configure Security */ mb->un.varCfgPort.cerbm = 1; /* Request HBQs */ mb->un.varCfgPort.ccrp = 1; /* Command Ring Polling */ mb->un.varCfgPort.max_hbq = lpfc_sli_hbq_count(); if (phba->max_vpi && phba->cfg_enable_npiv && phba->vpd.sli3Feat.cmv) { mb->un.varCfgPort.max_vpi = LPFC_MAX_VPI; mb->un.varCfgPort.cmv = 1; } else mb->un.varCfgPort.max_vpi = phba->max_vpi = 0; } else phba->sli_rev = LPFC_SLI_REV2; mb->un.varCfgPort.sli_mode = phba->sli_rev; /* If this is an SLI3 port, configure async status notification. */ if (phba->sli_rev == LPFC_SLI_REV3) mb->un.varCfgPort.casabt = 1; /* Now setup pcb */ phba->pcb->type = TYPE_NATIVE_SLI2; phba->pcb->feature = FEATURE_INITIAL_SLI2; /* Setup Mailbox pointers */ phba->pcb->mailBoxSize = sizeof(MAILBOX_t) + MAILBOX_EXT_SIZE; offset = (uint8_t *)phba->mbox - (uint8_t *)phba->slim2p.virt; pdma_addr = phba->slim2p.phys + offset; phba->pcb->mbAddrHigh = putPaddrHigh(pdma_addr); phba->pcb->mbAddrLow = putPaddrLow(pdma_addr); /* * Setup Host Group ring pointer. * * For efficiency reasons, the ring get/put pointers can be * placed in adapter memory (SLIM) rather than in host memory. * This allows firmware to avoid PCI reads/writes when updating * and checking pointers. * * The firmware recognizes the use of SLIM memory by comparing * the address of the get/put pointers structure with that of * the SLIM BAR (BAR0). * * Caution: be sure to use the PCI config space value of BAR0/BAR1 * (the hardware's view of the base address), not the OS's * value of pci_resource_start() as the OS value may be a cookie * for ioremap/iomap. */ pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low); pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high); /* * Set up HGP - Port Memory * * The port expects the host get/put pointers to reside in memory * following the "non-diagnostic" mode mailbox (32 words, 0x80 bytes) * area of SLIM. In SLI-2 mode, there's an additional 16 reserved * words (0x40 bytes). This area is not reserved if HBQs are * configured in SLI-3. * * CR0Put - SLI2(no HBQs) = 0xc0, With HBQs = 0x80 * RR0Get 0xc4 0x84 * CR1Put 0xc8 0x88 * RR1Get 0xcc 0x8c * CR2Put 0xd0 0x90 * RR2Get 0xd4 0x94 * CR3Put 0xd8 0x98 * RR3Get 0xdc 0x9c * * Reserved 0xa0-0xbf * If HBQs configured: * HBQ 0 Put ptr 0xc0 * HBQ 1 Put ptr 0xc4 * HBQ 2 Put ptr 0xc8 * ...... * HBQ(M-1)Put Pointer 0xc0+(M-1)*4 * */ if (phba->cfg_hostmem_hgp && phba->sli_rev != 3) { phba->host_gp = &phba->mbox->us.s2.host[0]; phba->hbq_put = NULL; offset = (uint8_t *)&phba->mbox->us.s2.host - (uint8_t *)phba->slim2p.virt; pdma_addr = phba->slim2p.phys + offset; phba->pcb->hgpAddrHigh = putPaddrHigh(pdma_addr); phba->pcb->hgpAddrLow = putPaddrLow(pdma_addr); } else { /* Always Host Group Pointer is in SLIM */ mb->un.varCfgPort.hps = 1; if (phba->sli_rev == 3) { phba->host_gp = &mb_slim->us.s3.host[0]; phba->hbq_put = &mb_slim->us.s3.hbq_put[0]; } else { phba->host_gp = &mb_slim->us.s2.host[0]; phba->hbq_put = NULL; } /* mask off BAR0's flag bits 0 - 3 */ phba->pcb->hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) + (void __iomem *)phba->host_gp - (void __iomem *)phba->MBslimaddr; if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64) phba->pcb->hgpAddrHigh = bar_high; else phba->pcb->hgpAddrHigh = 0; /* write HGP data to SLIM at the required longword offset */ memset(&hgp, 0, sizeof(struct lpfc_hgp)); for (i = 0; i < phba->sli.num_rings; i++) { lpfc_memcpy_to_slim(phba->host_gp + i, &hgp, sizeof(*phba->host_gp)); } } /* Setup Port Group offset */ if (phba->sli_rev == 3) pgp_offset = offsetof(struct lpfc_sli2_slim, mbx.us.s3_pgp.port); else pgp_offset = offsetof(struct lpfc_sli2_slim, mbx.us.s2.port); pdma_addr = phba->slim2p.phys + pgp_offset; phba->pcb->pgpAddrHigh = putPaddrHigh(pdma_addr); phba->pcb->pgpAddrLow = putPaddrLow(pdma_addr); /* Use callback routine to setp rings in the pcb */ lpfc_config_pcb_setup(phba); /* special handling for LC HBAs */ if (lpfc_is_LC_HBA(phba->pcidev->device)) { uint32_t hbainit[5]; lpfc_hba_init(phba, hbainit); memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20); } /* Swap PCB if needed */ lpfc_sli_pcimem_bcopy(phba->pcb, phba->pcb, sizeof(PCB_t)); } /** * lpfc_kill_board - Prepare a mailbox command for killing board * @phba: pointer to lpfc hba data structure. * @pmb: pointer to the driver internal queue element for mailbox command. * * The kill board mailbox command is used to tell firmware to perform a * graceful shutdown of a channel on a specified board to prepare for reset. * When the kill board mailbox command is received, the ER3 bit is set to 1 * in the Host Status register and the ER Attention bit is set to 1 in the * Host Attention register of the HBA function that received the kill board * command. * * This routine prepares the mailbox command for killing the board in * preparation for a graceful shutdown. **/ void lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) { MAILBOX_t *mb = &pmb->u.mb; memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); mb->mbxCommand = MBX_KILL_BOARD; mb->mbxOwner = OWN_HOST; return; } /** * lpfc_mbox_put - Put a mailbox cmd into the tail of driver's mailbox queue * @phba: pointer to lpfc hba data structure. * @mbq: pointer to the driver internal queue element for mailbox command. * * Driver maintains a internal mailbox command queue implemented as a linked * list. When a mailbox command is issued, it shall be put into the mailbox * command queue such that they shall be processed orderly as HBA can process * one mailbox command at a time. **/ void lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq) { struct lpfc_sli *psli; psli = &phba->sli; list_add_tail(&mbq->list, &psli->mboxq); psli->mboxq_cnt++; return; } /** * lpfc_mbox_get - Remove a mailbox cmd from the head of driver's mailbox queue * @phba: pointer to lpfc hba data structure. * * Driver maintains a internal mailbox command queue implemented as a linked * list. When a mailbox command is issued, it shall be put into the mailbox * command queue such that they shall be processed orderly as HBA can process * one mailbox command at a time. After HBA finished processing a mailbox * command, the driver will remove a pending mailbox command from the head of * the mailbox command queue and send to the HBA for processing. * * Return codes * pointer to the driver internal queue element for mailbox command. **/ LPFC_MBOXQ_t * lpfc_mbox_get(struct lpfc_hba * phba) { LPFC_MBOXQ_t *mbq = NULL; struct lpfc_sli *psli = &phba->sli; list_remove_head((&psli->mboxq), mbq, LPFC_MBOXQ_t, list); if (mbq) psli->mboxq_cnt--; return mbq; } /** * __lpfc_mbox_cmpl_put - Put mailbox cmd into mailbox cmd complete list * @phba: pointer to lpfc hba data structure. * @mbq: pointer to the driver internal queue element for mailbox command. * * This routine put the completed mailbox command into the mailbox command * complete list. This is the unlocked version of the routine. The mailbox * complete list is used by the driver worker thread to process mailbox * complete callback functions outside the driver interrupt handler. **/ void __lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq) { list_add_tail(&mbq->list, &phba->sli.mboxq_cmpl); } /** * lpfc_mbox_cmpl_put - Put mailbox command into mailbox command complete list * @phba: pointer to lpfc hba data structure. * @mbq: pointer to the driver internal queue element for mailbox command. * * This routine put the completed mailbox command into the mailbox command * complete list. This is the locked version of the routine. The mailbox * complete list is used by the driver worker thread to process mailbox * complete callback functions outside the driver interrupt handler. **/ void lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq) { unsigned long iflag; /* This function expects to be called from interrupt context */ spin_lock_irqsave(&phba->hbalock, iflag); __lpfc_mbox_cmpl_put(phba, mbq); spin_unlock_irqrestore(&phba->hbalock, iflag); return; } /** * lpfc_mbox_cmd_check - Check the validality of a mailbox command * @phba: pointer to lpfc hba data structure. * @mboxq: pointer to the driver internal queue element for mailbox command. * * This routine is to check whether a mailbox command is valid to be issued. * This check will be performed by both the mailbox issue API when a client * is to issue a mailbox command to the mailbox transport. * * Return 0 - pass the check, -ENODEV - fail the check **/ int lpfc_mbox_cmd_check(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) { /* Mailbox command that have a completion handler must also have a * vport specified. */ if (mboxq->mbox_cmpl && mboxq->mbox_cmpl != lpfc_sli_def_mbox_cmpl && mboxq->mbox_cmpl != lpfc_sli_wake_mbox_wait) { if (!mboxq->vport) { lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_VPORT, "1814 Mbox x%x failed, no vport\n", mboxq->u.mb.mbxCommand); dump_stack(); return -ENODEV; } } return 0; } /** * lpfc_mbox_dev_check - Check the device state for issuing a mailbox command * @phba: pointer to lpfc hba data structure. * * This routine is to check whether the HBA device is ready for posting a * mailbox command. It is used by the mailbox transport API at the time the * to post a mailbox command to the device. * * Return 0 - pass the check, -ENODEV - fail the check **/ int lpfc_mbox_dev_check(struct lpfc_hba *phba) { /* If the PCI channel is in offline state, do not issue mbox */ if (unlikely(pci_channel_offline(phba->pcidev))) return -ENODEV; /* If the HBA is in error state, do not issue mbox */ if (phba->link_state == LPFC_HBA_ERROR) return -ENODEV; return 0; } /** * lpfc_mbox_tmo_val - Retrieve mailbox command timeout value * @phba: pointer to lpfc hba data structure. * @cmd: mailbox command code. * * This routine retrieves the proper timeout value according to the mailbox * command code. * * Return codes * Timeout value to be used for the given mailbox command **/ int lpfc_mbox_tmo_val(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) { MAILBOX_t *mbox = &mboxq->u.mb; uint8_t subsys, opcode; switch (mbox->mbxCommand) { case MBX_WRITE_NV: /* 0x03 */ case MBX_DUMP_MEMORY: /* 0x17 */ case MBX_UPDATE_CFG: /* 0x1B */ case MBX_DOWN_LOAD: /* 0x1C */ case MBX_DEL_LD_ENTRY: /* 0x1D */ case MBX_WRITE_VPARMS: /* 0x32 */ case MBX_LOAD_AREA: /* 0x81 */ case MBX_WRITE_WWN: /* 0x98 */ case MBX_LOAD_EXP_ROM: /* 0x9C */ case MBX_ACCESS_VDATA: /* 0xA5 */ return LPFC_MBOX_TMO_FLASH_CMD; case MBX_SLI4_CONFIG: /* 0x9b */ subsys = lpfc_sli_config_mbox_subsys_get(phba, mboxq); opcode = lpfc_sli_config_mbox_opcode_get(phba, mboxq); if (subsys == LPFC_MBOX_SUBSYSTEM_COMMON) { switch (opcode) { case LPFC_MBOX_OPCODE_READ_OBJECT: case LPFC_MBOX_OPCODE_WRITE_OBJECT: case LPFC_MBOX_OPCODE_READ_OBJECT_LIST: case LPFC_MBOX_OPCODE_DELETE_OBJECT: case LPFC_MBOX_OPCODE_GET_PROFILE_LIST: case LPFC_MBOX_OPCODE_SET_ACT_PROFILE: case LPFC_MBOX_OPCODE_GET_PROFILE_CONFIG: case LPFC_MBOX_OPCODE_SET_PROFILE_CONFIG: case LPFC_MBOX_OPCODE_GET_FACTORY_PROFILE_CONFIG: case LPFC_MBOX_OPCODE_GET_PROFILE_CAPACITIES: case LPFC_MBOX_OPCODE_SEND_ACTIVATION: case LPFC_MBOX_OPCODE_RESET_LICENSES: case LPFC_MBOX_OPCODE_SET_BOOT_CONFIG: case LPFC_MBOX_OPCODE_GET_VPD_DATA: case LPFC_MBOX_OPCODE_SET_PHYSICAL_LINK_CONFIG: return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO; } } if (subsys == LPFC_MBOX_SUBSYSTEM_FCOE) { switch (opcode) { case LPFC_MBOX_OPCODE_FCOE_SET_FCLINK_SETTINGS: return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO; } } return LPFC_MBOX_SLI4_CONFIG_TMO; } return LPFC_MBOX_TMO; } /** * lpfc_sli4_mbx_sge_set - Set a sge entry in non-embedded mailbox command * @mbox: pointer to lpfc mbox command. * @sgentry: sge entry index. * @phyaddr: physical address for the sge * @length: Length of the sge. * * This routine sets up an entry in the non-embedded mailbox command at the sge * index location. **/ void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *mbox, uint32_t sgentry, dma_addr_t phyaddr, uint32_t length) { struct lpfc_mbx_nembed_cmd *nembed_sge; nembed_sge = (struct lpfc_mbx_nembed_cmd *) &mbox->u.mqe.un.nembed_cmd; nembed_sge->sge[sgentry].pa_lo = putPaddrLow(phyaddr); nembed_sge->sge[sgentry].pa_hi = putPaddrHigh(phyaddr); nembed_sge->sge[sgentry].length = length; } /** * lpfc_sli4_mbx_sge_get - Get a sge entry from non-embedded mailbox command * @mbox: pointer to lpfc mbox command. * @sgentry: sge entry index. * * This routine gets an entry from the non-embedded mailbox command at the sge * index location. **/ void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *mbox, uint32_t sgentry, struct lpfc_mbx_sge *sge) { struct lpfc_mbx_nembed_cmd *nembed_sge; nembed_sge = (struct lpfc_mbx_nembed_cmd *) &mbox->u.mqe.un.nembed_cmd; sge->pa_lo = nembed_sge->sge[sgentry].pa_lo; sge->pa_hi = nembed_sge->sge[sgentry].pa_hi; sge->length = nembed_sge->sge[sgentry].length; } /** * lpfc_sli4_mbox_cmd_free - Free a sli4 mailbox command * @phba: pointer to lpfc hba data structure. * @mbox: pointer to lpfc mbox command. * * This routine frees SLI4 specific mailbox command for sending IOCTL command. **/ void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *phba, struct lpfcMboxq *mbox) { struct lpfc_mbx_sli4_config *sli4_cfg; struct lpfc_mbx_sge sge; dma_addr_t phyaddr; uint32_t sgecount, sgentry; sli4_cfg = &mbox->u.mqe.un.sli4_config; /* For embedded mbox command, just free the mbox command */ if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) { mempool_free(mbox, phba->mbox_mem_pool); return; } /* For non-embedded mbox command, we need to free the pages first */ sgecount = bf_get(lpfc_mbox_hdr_sge_cnt, &sli4_cfg->header.cfg_mhdr); /* There is nothing we can do if there is no sge address array */ if (unlikely(!mbox->sge_array)) { mempool_free(mbox, phba->mbox_mem_pool); return; } /* Each non-embedded DMA memory was allocated in the length of a page */ for (sgentry = 0; sgentry < sgecount; sgentry++) { lpfc_sli4_mbx_sge_get(mbox, sgentry, &sge); phyaddr = getPaddr(sge.pa_hi, sge.pa_lo); dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE, mbox->sge_array->addr[sgentry], phyaddr); } /* Free the sge address array memory */ kfree(mbox->sge_array); /* Finally, free the mailbox command itself */ mempool_free(mbox, phba->mbox_mem_pool); } /** * lpfc_sli4_config - Initialize the SLI4 Config Mailbox command * @phba: pointer to lpfc hba data structure. * @mbox: pointer to lpfc mbox command. * @subsystem: The sli4 config sub mailbox subsystem. * @opcode: The sli4 config sub mailbox command opcode. * @length: Length of the sli4 config mailbox command (including sub-header). * * This routine sets up the header fields of SLI4 specific mailbox command * for sending IOCTL command. * * Return: the actual length of the mbox command allocated (mostly useful * for none embedded mailbox command). **/ int lpfc_sli4_config(struct lpfc_hba *phba, struct lpfcMboxq *mbox, uint8_t subsystem, uint8_t opcode, uint32_t length, bool emb) { struct lpfc_mbx_sli4_config *sli4_config; union lpfc_sli4_cfg_shdr *cfg_shdr = NULL; uint32_t alloc_len; uint32_t resid_len; uint32_t pagen, pcount; void *viraddr; dma_addr_t phyaddr; /* Set up SLI4 mailbox command header fields */ memset(mbox, 0, sizeof(*mbox)); bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_SLI4_CONFIG); /* Set up SLI4 ioctl command header fields */ sli4_config = &mbox->u.mqe.un.sli4_config; /* Setup for the embedded mbox command */ if (emb) { /* Set up main header fields */ bf_set(lpfc_mbox_hdr_emb, &sli4_config->header.cfg_mhdr, 1); sli4_config->header.cfg_mhdr.payload_length = length; /* Set up sub-header fields following main header */ bf_set(lpfc_mbox_hdr_opcode, &sli4_config->header.cfg_shdr.request, opcode); bf_set(lpfc_mbox_hdr_subsystem, &sli4_config->header.cfg_shdr.request, subsystem); sli4_config->header.cfg_shdr.request.request_length = length - LPFC_MBX_CMD_HDR_LENGTH; return length; } /* Setup for the non-embedded mbox command */ pcount = (SLI4_PAGE_ALIGN(length))/SLI4_PAGE_SIZE; pcount = (pcount > LPFC_SLI4_MBX_SGE_MAX_PAGES) ? LPFC_SLI4_MBX_SGE_MAX_PAGES : pcount; /* Allocate record for keeping SGE virtual addresses */ mbox->sge_array = kzalloc(sizeof(struct lpfc_mbx_nembed_sge_virt), GFP_KERNEL); if (!mbox->sge_array) { lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, "2527 Failed to allocate non-embedded SGE " "array.\n"); return 0; } for (pagen = 0, alloc_len = 0; pagen < pcount; pagen++) { /* The DMA memory is always allocated in the length of a * page even though the last SGE might not fill up to a * page, this is used as a priori size of SLI4_PAGE_SIZE for * the later DMA memory free. */ viraddr = dma_alloc_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE, &phyaddr, GFP_KERNEL); /* In case of malloc fails, proceed with whatever we have */ if (!viraddr) break; mbox->sge_array->addr[pagen] = viraddr; /* Keep the first page for later sub-header construction */ if (pagen == 0) cfg_shdr = (union lpfc_sli4_cfg_shdr *)viraddr; resid_len = length - alloc_len; if (resid_len > SLI4_PAGE_SIZE) { lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr, SLI4_PAGE_SIZE); alloc_len += SLI4_PAGE_SIZE; } else { lpfc_sli4_mbx_sge_set(mbox, pagen, phyaddr, resid_len); alloc_len = length; } } /* Set up main header fields in mailbox command */ sli4_config->header.cfg_mhdr.payload_length = alloc_len; bf_set(lpfc_mbox_hdr_sge_cnt, &sli4_config->header.cfg_mhdr, pagen); /* Set up sub-header fields into the first page */ if (pagen > 0) { bf_set(lpfc_mbox_hdr_opcode, &cfg_shdr->request, opcode); bf_set(lpfc_mbox_hdr_subsystem, &cfg_shdr->request, subsystem); cfg_shdr->request.request_length = alloc_len - sizeof(union lpfc_sli4_cfg_shdr); } /* The sub-header is in DMA memory, which needs endian converstion */ if (cfg_shdr) lpfc_sli_pcimem_bcopy(cfg_shdr, cfg_shdr, sizeof(union lpfc_sli4_cfg_shdr)); return alloc_len; } /** * lpfc_sli4_mbox_rsrc_extent - Initialize the opcode resource extent. * @phba: pointer to lpfc hba data structure. * @mbox: pointer to an allocated lpfc mbox resource. * @exts_count: the number of extents, if required, to allocate. * @rsrc_type: the resource extent type. * @emb: true if LPFC_SLI4_MBX_EMBED. false if LPFC_SLI4_MBX_NEMBED. * * This routine completes the subcommand header for SLI4 resource extent * mailbox commands. It is called after lpfc_sli4_config. The caller must * pass an allocated mailbox and the attributes required to initialize the * mailbox correctly. * * Return: the actual length of the mbox command allocated. **/ int lpfc_sli4_mbox_rsrc_extent(struct lpfc_hba *phba, struct lpfcMboxq *mbox, uint16_t exts_count, uint16_t rsrc_type, bool emb) { uint8_t opcode = 0; struct lpfc_mbx_nembed_rsrc_extent *n_rsrc_extnt = NULL; void *virtaddr = NULL; /* Set up SLI4 ioctl command header fields */ if (emb == LPFC_SLI4_MBX_NEMBED) { /* Get the first SGE entry from the non-embedded DMA memory */ virtaddr = mbox->sge_array->addr[0]; if (virtaddr == NULL) return 1; n_rsrc_extnt = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr; } /* * The resource type is common to all extent Opcodes and resides in the * same position. */ if (emb == LPFC_SLI4_MBX_EMBED) bf_set(lpfc_mbx_alloc_rsrc_extents_type, &mbox->u.mqe.un.alloc_rsrc_extents.u.req, rsrc_type); else { /* This is DMA data. Byteswap is required. */ bf_set(lpfc_mbx_alloc_rsrc_extents_type, n_rsrc_extnt, rsrc_type); lpfc_sli_pcimem_bcopy(&n_rsrc_extnt->word4, &n_rsrc_extnt->word4, sizeof(uint32_t)); } /* Complete the initialization for the particular Opcode. */ opcode = lpfc_sli_config_mbox_opcode_get(phba, mbox); switch (opcode) { case LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT: if (emb == LPFC_SLI4_MBX_EMBED) bf_set(lpfc_mbx_alloc_rsrc_extents_cnt, &mbox->u.mqe.un.alloc_rsrc_extents.u.req, exts_count); else bf_set(lpfc_mbx_alloc_rsrc_extents_cnt, n_rsrc_extnt, exts_count); break; case LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT: case LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO: case LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT: /* Initialization is complete.*/ break; default: lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, "2929 Resource Extent Opcode x%x is " "unsupported\n", opcode); return 1; } return 0; } /** * lpfc_sli_config_mbox_subsys_get - Get subsystem from a sli_config mbox cmd * @phba: pointer to lpfc hba data structure. * @mbox: pointer to lpfc mbox command queue entry. * * This routine gets the subsystem from a SLI4 specific SLI_CONFIG mailbox * command. If the mailbox command is not MBX_SLI4_CONFIG (0x9B) or if the * sub-header is not present, subsystem LPFC_MBOX_SUBSYSTEM_NA (0x0) shall * be returned. **/ uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) { struct lpfc_mbx_sli4_config *sli4_cfg; union lpfc_sli4_cfg_shdr *cfg_shdr; if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG) return LPFC_MBOX_SUBSYSTEM_NA; sli4_cfg = &mbox->u.mqe.un.sli4_config; /* For embedded mbox command, get opcode from embedded sub-header*/ if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) { cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr; return bf_get(lpfc_mbox_hdr_subsystem, &cfg_shdr->request); } /* For non-embedded mbox command, get opcode from first dma page */ if (unlikely(!mbox->sge_array)) return LPFC_MBOX_SUBSYSTEM_NA; cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0]; return bf_get(lpfc_mbox_hdr_subsystem, &cfg_shdr->request); } /** * lpfc_sli_config_mbox_opcode_get - Get opcode from a sli_config mbox cmd * @phba: pointer to lpfc hba data structure. * @mbox: pointer to lpfc mbox command queue entry. * * This routine gets the opcode from a SLI4 specific SLI_CONFIG mailbox * command. If the mailbox command is not MBX_SLI4_CONFIG (0x9B) or if * the sub-header is not present, opcode LPFC_MBOX_OPCODE_NA (0x0) be * returned. **/ uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) { struct lpfc_mbx_sli4_config *sli4_cfg; union lpfc_sli4_cfg_shdr *cfg_shdr; if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG) return LPFC_MBOX_OPCODE_NA; sli4_cfg = &mbox->u.mqe.un.sli4_config; /* For embedded mbox command, get opcode from embedded sub-header*/ if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) { cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr; return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request); } /* For non-embedded mbox command, get opcode from first dma page */ if (unlikely(!mbox->sge_array)) return LPFC_MBOX_OPCODE_NA; cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0]; return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request); } /** * lpfc_sli4_mbx_read_fcf_rec - Allocate and construct read fcf mbox cmd * @phba: pointer to lpfc hba data structure. * @fcf_index: index to fcf table. * * This routine routine allocates and constructs non-embedded mailbox command * for reading a FCF table entry referred by @fcf_index. * * Return: pointer to the mailbox command constructed if successful, otherwise * NULL. **/ int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *phba, struct lpfcMboxq *mboxq, uint16_t fcf_index) { void *virt_addr; uint8_t *bytep; struct lpfc_mbx_sge sge; uint32_t alloc_len, req_len; struct lpfc_mbx_read_fcf_tbl *read_fcf; if (!mboxq) return -ENOMEM; req_len = sizeof(struct fcf_record) + sizeof(union lpfc_sli4_cfg_shdr) + 2 * sizeof(uint32_t); /* Set up READ_FCF SLI4_CONFIG mailbox-ioctl command */ alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE, LPFC_MBOX_OPCODE_FCOE_READ_FCF_TABLE, req_len, LPFC_SLI4_MBX_NEMBED); if (alloc_len < req_len) { lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, "0291 Allocated DMA memory size (x%x) is " "less than the requested DMA memory " "size (x%x)\n", alloc_len, req_len); return -ENOMEM; } /* Get the first SGE entry from the non-embedded DMA memory. This * routine only uses a single SGE. */ lpfc_sli4_mbx_sge_get(mboxq, 0, &sge); virt_addr = mboxq->sge_array->addr[0]; read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr; /* Set up command fields */ bf_set(lpfc_mbx_read_fcf_tbl_indx, &read_fcf->u.request, fcf_index); /* Perform necessary endian conversion */ bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr); lpfc_sli_pcimem_bcopy(bytep, bytep, sizeof(uint32_t)); return 0; } /** * lpfc_request_features: Configure SLI4 REQUEST_FEATURES mailbox * @mboxq: pointer to lpfc mbox command. * * This routine sets up the mailbox for an SLI4 REQUEST_FEATURES * mailbox command. **/ void lpfc_request_features(struct lpfc_hba *phba, struct lpfcMboxq *mboxq) { /* Set up SLI4 mailbox command header fields */ memset(mboxq, 0, sizeof(LPFC_MBOXQ_t)); bf_set(lpfc_mqe_command, &mboxq->u.mqe, MBX_SLI4_REQ_FTRS); /* Set up host requested features. */ bf_set(lpfc_mbx_rq_ftr_rq_fcpi, &mboxq->u.mqe.un.req_ftrs, 1); bf_set(lpfc_mbx_rq_ftr_rq_perfh, &mboxq->u.mqe.un.req_ftrs, 1); /* Enable DIF (block guard) only if configured to do so. */ if (phba->cfg_enable_bg) bf_set(lpfc_mbx_rq_ftr_rq_dif, &mboxq->u.mqe.un.req_ftrs, 1); /* Enable NPIV only if configured to do so. */ if (phba->max_vpi && phba->cfg_enable_npiv) bf_set(lpfc_mbx_rq_ftr_rq_npiv, &mboxq->u.mqe.un.req_ftrs, 1); if (phba->nvmet_support) { bf_set(lpfc_mbx_rq_ftr_rq_mrqp, &mboxq->u.mqe.un.req_ftrs, 1); /* iaab/iaar NOT set for now */ bf_set(lpfc_mbx_rq_ftr_rq_iaab, &mboxq->u.mqe.un.req_ftrs, 0); bf_set(lpfc_mbx_rq_ftr_rq_iaar, &mboxq->u.mqe.un.req_ftrs, 0); } return; } /** * lpfc_init_vfi - Initialize the INIT_VFI mailbox command * @mbox: pointer to lpfc mbox command to initialize. * @vport: Vport associated with the VF. * * This routine initializes @mbox to all zeros and then fills in the mailbox * fields from @vport. INIT_VFI configures virtual fabrics identified by VFI * in the context of an FCF. The driver issues this command to setup a VFI * before issuing a FLOGI to login to the VSAN. The driver should also issue a * REG_VFI after a successful VSAN login. **/ void lpfc_init_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport) { struct lpfc_mbx_init_vfi *init_vfi; memset(mbox, 0, sizeof(*mbox)); mbox->vport = vport; init_vfi = &mbox->u.mqe.un.init_vfi; bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VFI); bf_set(lpfc_init_vfi_vr, init_vfi, 1); bf_set(lpfc_init_vfi_vt, init_vfi, 1); bf_set(lpfc_init_vfi_vp, init_vfi, 1); bf_set(lpfc_init_vfi_vfi, init_vfi, vport->phba->sli4_hba.vfi_ids[vport->vfi]); bf_set(lpfc_init_vfi_vpi, init_vfi, vport->phba->vpi_ids[vport->vpi]); bf_set(lpfc_init_vfi_fcfi, init_vfi, vport->phba->fcf.fcfi); } /** * lpfc_reg_vfi - Initialize the REG_VFI mailbox command * @mbox: pointer to lpfc mbox command to initialize. * @vport: vport associated with the VF. * @phys: BDE DMA bus address used to send the service parameters to the HBA. * * This routine initializes @mbox to all zeros and then fills in the mailbox * fields from @vport, and uses @buf as a DMAable buffer to send the vport's * fc service parameters to the HBA for this VFI. REG_VFI configures virtual * fabrics identified by VFI in the context of an FCF. **/ void lpfc_reg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport, dma_addr_t phys) { struct lpfc_mbx_reg_vfi *reg_vfi; struct lpfc_hba *phba = vport->phba; uint8_t bbscn_fabric = 0, bbscn_max = 0, bbscn_def = 0; memset(mbox, 0, sizeof(*mbox)); reg_vfi = &mbox->u.mqe.un.reg_vfi; bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_VFI); bf_set(lpfc_reg_vfi_vp, reg_vfi, 1); bf_set(lpfc_reg_vfi_vfi, reg_vfi, phba->sli4_hba.vfi_ids[vport->vfi]); bf_set(lpfc_reg_vfi_fcfi, reg_vfi, phba->fcf.fcfi); bf_set(lpfc_reg_vfi_vpi, reg_vfi, phba->vpi_ids[vport->vpi]); memcpy(reg_vfi->wwn, &vport->fc_portname, sizeof(struct lpfc_name)); reg_vfi->wwn[0] = cpu_to_le32(reg_vfi->wwn[0]); reg_vfi->wwn[1] = cpu_to_le32(reg_vfi->wwn[1]); reg_vfi->e_d_tov = phba->fc_edtov; reg_vfi->r_a_tov = phba->fc_ratov; if (phys) { reg_vfi->bde.addrHigh = putPaddrHigh(phys); reg_vfi->bde.addrLow = putPaddrLow(phys); reg_vfi->bde.tus.f.bdeSize = sizeof(vport->fc_sparam); reg_vfi->bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; } bf_set(lpfc_reg_vfi_nport_id, reg_vfi, vport->fc_myDID); /* Only FC supports upd bit */ if ((phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC) && (vport->fc_flag & FC_VFI_REGISTERED) && (!phba->fc_topology_changed)) bf_set(lpfc_reg_vfi_upd, reg_vfi, 1); bf_set(lpfc_reg_vfi_bbcr, reg_vfi, 0); bf_set(lpfc_reg_vfi_bbscn, reg_vfi, 0); bbscn_fabric = (phba->fc_fabparam.cmn.bbRcvSizeMsb >> 4) & 0xF; if (phba->bbcredit_support && phba->cfg_enable_bbcr && bbscn_fabric != 0) { bbscn_max = bf_get(lpfc_bbscn_max, &phba->sli4_hba.bbscn_params); if (bbscn_fabric <= bbscn_max) { bbscn_def = bf_get(lpfc_bbscn_def, &phba->sli4_hba.bbscn_params); if (bbscn_fabric > bbscn_def) bf_set(lpfc_reg_vfi_bbscn, reg_vfi, bbscn_fabric); else bf_set(lpfc_reg_vfi_bbscn, reg_vfi, bbscn_def); bf_set(lpfc_reg_vfi_bbcr, reg_vfi, 1); } } lpfc_printf_vlog(vport, KERN_INFO, LOG_MBOX, "3134 Register VFI, mydid:x%x, fcfi:%d, " " vfi:%d, vpi:%d, fc_pname:%x%x fc_flag:x%x" " port_state:x%x topology chg:%d bbscn_fabric :%d\n", vport->fc_myDID, phba->fcf.fcfi, phba->sli4_hba.vfi_ids[vport->vfi], phba->vpi_ids[vport->vpi], reg_vfi->wwn[0], reg_vfi->wwn[1], vport->fc_flag, vport->port_state, phba->fc_topology_changed, bbscn_fabric); } /** * lpfc_init_vpi - Initialize the INIT_VPI mailbox command * @phba: pointer to the hba structure to init the VPI for. * @mbox: pointer to lpfc mbox command to initialize. * @vpi: VPI to be initialized. * * The INIT_VPI mailbox command supports virtual N_Ports. The driver uses the * command to activate a virtual N_Port. The HBA assigns a MAC address to use * with the virtual N Port. The SLI Host issues this command before issuing a * FDISC to connect to the Fabric. The SLI Host should issue a REG_VPI after a * successful virtual NPort login. **/ void lpfc_init_vpi(struct lpfc_hba *phba, struct lpfcMboxq *mbox, uint16_t vpi) { memset(mbox, 0, sizeof(*mbox)); bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_INIT_VPI); bf_set(lpfc_init_vpi_vpi, &mbox->u.mqe.un.init_vpi, phba->vpi_ids[vpi]); bf_set(lpfc_init_vpi_vfi, &mbox->u.mqe.un.init_vpi, phba->sli4_hba.vfi_ids[phba->pport->vfi]); } /** * lpfc_unreg_vfi - Initialize the UNREG_VFI mailbox command * @mbox: pointer to lpfc mbox command to initialize. * @vport: vport associated with the VF. * * The UNREG_VFI mailbox command causes the SLI Host to put a virtual fabric * (logical NPort) into the inactive state. The SLI Host must have logged out * and unregistered all remote N_Ports to abort any activity on the virtual * fabric. The SLI Port posts the mailbox response after marking the virtual * fabric inactive. **/ void lpfc_unreg_vfi(struct lpfcMboxq *mbox, struct lpfc_vport *vport) { memset(mbox, 0, sizeof(*mbox)); bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_VFI); bf_set(lpfc_unreg_vfi_vfi, &mbox->u.mqe.un.unreg_vfi, vport->phba->sli4_hba.vfi_ids[vport->vfi]); } /** * lpfc_sli4_dump_cfg_rg23 - Dump sli4 port config region 23 * @phba: pointer to the hba structure containing. * @mbox: pointer to lpfc mbox command to initialize. * * This function create a SLI4 dump mailbox command to dump configure * region 23. **/ int lpfc_sli4_dump_cfg_rg23(struct lpfc_hba *phba, struct lpfcMboxq *mbox) { struct lpfc_dmabuf *mp = NULL; MAILBOX_t *mb; memset(mbox, 0, sizeof(*mbox)); mb = &mbox->u.mb; mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); if (mp) mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); if (!mp || !mp->virt) { kfree(mp); /* dump config region 23 failed to allocate memory */ lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, "2569 lpfc dump config region 23: memory" " allocation failed\n"); return 1; } memset(mp->virt, 0, LPFC_BPL_SIZE); INIT_LIST_HEAD(&mp->list); /* save address for completion */ mbox->ctx_buf = (uint8_t *)mp; mb->mbxCommand = MBX_DUMP_MEMORY; mb->un.varDmp.type = DMP_NV_PARAMS; mb->un.varDmp.region_id = DMP_REGION_23; mb->un.varDmp.sli4_length = DMP_RGN23_SIZE; mb->un.varWords[3] = putPaddrLow(mp->phys); mb->un.varWords[4] = putPaddrHigh(mp->phys); return 0; } static void lpfc_mbx_cmpl_rdp_link_stat(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) { MAILBOX_t *mb; int rc = FAILURE; struct lpfc_rdp_context *rdp_context = (struct lpfc_rdp_context *)(mboxq->ctx_ndlp); mb = &mboxq->u.mb; if (mb->mbxStatus) goto mbx_failed; memcpy(&rdp_context->link_stat, &mb->un.varRdLnk, sizeof(READ_LNK_VAR)); rc = SUCCESS; mbx_failed: lpfc_sli4_mbox_cmd_free(phba, mboxq); rdp_context->cmpl(phba, rdp_context, rc); } static void lpfc_mbx_cmpl_rdp_page_a2(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) { struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)mbox->ctx_buf; struct lpfc_rdp_context *rdp_context = (struct lpfc_rdp_context *)(mbox->ctx_ndlp); if (bf_get(lpfc_mqe_status, &mbox->u.mqe)) goto error_mbuf_free; lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a2, DMP_SFF_PAGE_A2_SIZE); /* We don't need dma buffer for link stat. */ lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); memset(mbox, 0, sizeof(*mbox)); lpfc_read_lnk_stat(phba, mbox); mbox->vport = rdp_context->ndlp->vport; mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_link_stat; mbox->ctx_ndlp = (struct lpfc_rdp_context *)rdp_context; if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) == MBX_NOT_FINISHED) goto error_cmd_free; return; error_mbuf_free: lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); error_cmd_free: lpfc_sli4_mbox_cmd_free(phba, mbox); rdp_context->cmpl(phba, rdp_context, FAILURE); } void lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) { int rc; struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)(mbox->ctx_buf); struct lpfc_rdp_context *rdp_context = (struct lpfc_rdp_context *)(mbox->ctx_ndlp); if (bf_get(lpfc_mqe_status, &mbox->u.mqe)) goto error; lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a0, DMP_SFF_PAGE_A0_SIZE); memset(mbox, 0, sizeof(*mbox)); memset(mp->virt, 0, DMP_SFF_PAGE_A2_SIZE); INIT_LIST_HEAD(&mp->list); /* save address for completion */ mbox->ctx_buf = mp; mbox->vport = rdp_context->ndlp->vport; bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY); bf_set(lpfc_mbx_memory_dump_type3_type, &mbox->u.mqe.un.mem_dump_type3, DMP_LMSD); bf_set(lpfc_mbx_memory_dump_type3_link, &mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port); bf_set(lpfc_mbx_memory_dump_type3_page_no, &mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A2); bf_set(lpfc_mbx_memory_dump_type3_length, &mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A2_SIZE); mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys); mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys); mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_page_a2; mbox->ctx_ndlp = (struct lpfc_rdp_context *)rdp_context; rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); if (rc == MBX_NOT_FINISHED) goto error; return; error: lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); lpfc_sli4_mbox_cmd_free(phba, mbox); rdp_context->cmpl(phba, rdp_context, FAILURE); } /* * lpfc_sli4_dump_sfp_pagea0 - Dump sli4 read SFP Diagnostic. * @phba: pointer to the hba structure containing. * @mbox: pointer to lpfc mbox command to initialize. * * This function create a SLI4 dump mailbox command to dump configure * type 3 page 0xA0. */ int lpfc_sli4_dump_page_a0(struct lpfc_hba *phba, struct lpfcMboxq *mbox) { struct lpfc_dmabuf *mp = NULL; memset(mbox, 0, sizeof(*mbox)); mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); if (mp) mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); if (!mp || !mp->virt) { kfree(mp); lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, "3569 dump type 3 page 0xA0 allocation failed\n"); return 1; } memset(mp->virt, 0, LPFC_BPL_SIZE); INIT_LIST_HEAD(&mp->list); bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY); /* save address for completion */ mbox->ctx_buf = mp; bf_set(lpfc_mbx_memory_dump_type3_type, &mbox->u.mqe.un.mem_dump_type3, DMP_LMSD); bf_set(lpfc_mbx_memory_dump_type3_link, &mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port); bf_set(lpfc_mbx_memory_dump_type3_page_no, &mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A0); bf_set(lpfc_mbx_memory_dump_type3_length, &mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A0_SIZE); mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys); mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys); return 0; } /** * lpfc_reg_fcfi - Initialize the REG_FCFI mailbox command * @phba: pointer to the hba structure containing the FCF index and RQ ID. * @mbox: pointer to lpfc mbox command to initialize. * * The REG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs). The * SLI Host uses the command to activate an FCF after it has acquired FCF * information via a READ_FCF mailbox command. This mailbox command also is used * to indicate where received unsolicited frames from this FCF will be sent. By * default this routine will set up the FCF to forward all unsolicited frames * the the RQ ID passed in the @phba. This can be overridden by the caller for * more complicated setups. **/ void lpfc_reg_fcfi(struct lpfc_hba *phba, struct lpfcMboxq *mbox) { struct lpfc_mbx_reg_fcfi *reg_fcfi; memset(mbox, 0, sizeof(*mbox)); reg_fcfi = &mbox->u.mqe.un.reg_fcfi; bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_FCFI); if (phba->nvmet_support == 0) { bf_set(lpfc_reg_fcfi_rq_id0, reg_fcfi, phba->sli4_hba.hdr_rq->queue_id); /* Match everything - rq_id0 */ bf_set(lpfc_reg_fcfi_type_match0, reg_fcfi, 0); bf_set(lpfc_reg_fcfi_type_mask0, reg_fcfi, 0); bf_set(lpfc_reg_fcfi_rctl_match0, reg_fcfi, 0); bf_set(lpfc_reg_fcfi_rctl_mask0, reg_fcfi, 0); bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi, REG_FCF_INVALID_QID); /* addr mode is bit wise inverted value of fcf addr_mode */ bf_set(lpfc_reg_fcfi_mam, reg_fcfi, (~phba->fcf.addr_mode) & 0x3); } else { /* This is ONLY for NVMET MRQ == 1 */ if (phba->cfg_nvmet_mrq != 1) return; bf_set(lpfc_reg_fcfi_rq_id0, reg_fcfi, phba->sli4_hba.nvmet_mrq_hdr[0]->queue_id); /* Match type FCP - rq_id0 */ bf_set(lpfc_reg_fcfi_type_match0, reg_fcfi, FC_TYPE_FCP); bf_set(lpfc_reg_fcfi_type_mask0, reg_fcfi, 0xff); bf_set(lpfc_reg_fcfi_rctl_match0, reg_fcfi, FC_RCTL_DD_UNSOL_CMD); bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi, phba->sli4_hba.hdr_rq->queue_id); /* Match everything else - rq_id1 */ bf_set(lpfc_reg_fcfi_type_match1, reg_fcfi, 0); bf_set(lpfc_reg_fcfi_type_mask1, reg_fcfi, 0); bf_set(lpfc_reg_fcfi_rctl_match1, reg_fcfi, 0); bf_set(lpfc_reg_fcfi_rctl_mask1, reg_fcfi, 0); } bf_set(lpfc_reg_fcfi_rq_id2, reg_fcfi, REG_FCF_INVALID_QID); bf_set(lpfc_reg_fcfi_rq_id3, reg_fcfi, REG_FCF_INVALID_QID); bf_set(lpfc_reg_fcfi_info_index, reg_fcfi, phba->fcf.current_rec.fcf_indx); if (phba->fcf.current_rec.vlan_id != LPFC_FCOE_NULL_VID) { bf_set(lpfc_reg_fcfi_vv, reg_fcfi, 1); bf_set(lpfc_reg_fcfi_vlan_tag, reg_fcfi, phba->fcf.current_rec.vlan_id); } } /** * lpfc_reg_fcfi_mrq - Initialize the REG_FCFI_MRQ mailbox command * @phba: pointer to the hba structure containing the FCF index and RQ ID. * @mbox: pointer to lpfc mbox command to initialize. * @mode: 0 to register FCFI, 1 to register MRQs * * The REG_FCFI_MRQ mailbox command supports Fibre Channel Forwarders (FCFs). * The SLI Host uses the command to activate an FCF after it has acquired FCF * information via a READ_FCF mailbox command. This mailbox command also is used * to indicate where received unsolicited frames from this FCF will be sent. By * default this routine will set up the FCF to forward all unsolicited frames * the the RQ ID passed in the @phba. This can be overridden by the caller for * more complicated setups. **/ void lpfc_reg_fcfi_mrq(struct lpfc_hba *phba, struct lpfcMboxq *mbox, int mode) { struct lpfc_mbx_reg_fcfi_mrq *reg_fcfi; /* This is ONLY for MRQ */ if (phba->cfg_nvmet_mrq <= 1) return; memset(mbox, 0, sizeof(*mbox)); reg_fcfi = &mbox->u.mqe.un.reg_fcfi_mrq; bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_REG_FCFI_MRQ); if (mode == 0) { bf_set(lpfc_reg_fcfi_mrq_info_index, reg_fcfi, phba->fcf.current_rec.fcf_indx); if (phba->fcf.current_rec.vlan_id != LPFC_FCOE_NULL_VID) { bf_set(lpfc_reg_fcfi_mrq_vv, reg_fcfi, 1); bf_set(lpfc_reg_fcfi_mrq_vlan_tag, reg_fcfi, phba->fcf.current_rec.vlan_id); } return; } bf_set(lpfc_reg_fcfi_mrq_rq_id0, reg_fcfi, phba->sli4_hba.nvmet_mrq_hdr[0]->queue_id); /* Match NVME frames of type FCP (protocol NVME) - rq_id0 */ bf_set(lpfc_reg_fcfi_mrq_type_match0, reg_fcfi, FC_TYPE_FCP); bf_set(lpfc_reg_fcfi_mrq_type_mask0, reg_fcfi, 0xff); bf_set(lpfc_reg_fcfi_mrq_rctl_match0, reg_fcfi, FC_RCTL_DD_UNSOL_CMD); bf_set(lpfc_reg_fcfi_mrq_rctl_mask0, reg_fcfi, 0xff); bf_set(lpfc_reg_fcfi_mrq_ptc0, reg_fcfi, 1); bf_set(lpfc_reg_fcfi_mrq_pt0, reg_fcfi, 1); bf_set(lpfc_reg_fcfi_mrq_policy, reg_fcfi, 3); /* NVME connection id */ bf_set(lpfc_reg_fcfi_mrq_mode, reg_fcfi, 1); bf_set(lpfc_reg_fcfi_mrq_filter, reg_fcfi, 1); /* rq_id0 */ bf_set(lpfc_reg_fcfi_mrq_npairs, reg_fcfi, phba->cfg_nvmet_mrq); bf_set(lpfc_reg_fcfi_mrq_rq_id1, reg_fcfi, phba->sli4_hba.hdr_rq->queue_id); /* Match everything - rq_id1 */ bf_set(lpfc_reg_fcfi_mrq_type_match1, reg_fcfi, 0); bf_set(lpfc_reg_fcfi_mrq_type_mask1, reg_fcfi, 0); bf_set(lpfc_reg_fcfi_mrq_rctl_match1, reg_fcfi, 0); bf_set(lpfc_reg_fcfi_mrq_rctl_mask1, reg_fcfi, 0); bf_set(lpfc_reg_fcfi_mrq_rq_id2, reg_fcfi, REG_FCF_INVALID_QID); bf_set(lpfc_reg_fcfi_mrq_rq_id3, reg_fcfi, REG_FCF_INVALID_QID); } /** * lpfc_unreg_fcfi - Initialize the UNREG_FCFI mailbox command * @mbox: pointer to lpfc mbox command to initialize. * @fcfi: FCFI to be unregistered. * * The UNREG_FCFI mailbox command supports Fibre Channel Forwarders (FCFs). * The SLI Host uses the command to inactivate an FCFI. **/ void lpfc_unreg_fcfi(struct lpfcMboxq *mbox, uint16_t fcfi) { memset(mbox, 0, sizeof(*mbox)); bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_UNREG_FCFI); bf_set(lpfc_unreg_fcfi, &mbox->u.mqe.un.unreg_fcfi, fcfi); } /** * lpfc_resume_rpi - Initialize the RESUME_RPI mailbox command * @mbox: pointer to lpfc mbox command to initialize. * @ndlp: The nodelist structure that describes the RPI to resume. * * The RESUME_RPI mailbox command is used to restart I/O to an RPI after a * link event. **/ void lpfc_resume_rpi(struct lpfcMboxq *mbox, struct lpfc_nodelist *ndlp) { struct lpfc_hba *phba = ndlp->phba; struct lpfc_mbx_resume_rpi *resume_rpi; memset(mbox, 0, sizeof(*mbox)); resume_rpi = &mbox->u.mqe.un.resume_rpi; bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_RESUME_RPI); bf_set(lpfc_resume_rpi_index, resume_rpi, phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); bf_set(lpfc_resume_rpi_ii, resume_rpi, RESUME_INDEX_RPI); resume_rpi->event_tag = ndlp->phba->fc_eventTag; } /** * lpfc_supported_pages - Initialize the PORT_CAPABILITIES supported pages * mailbox command. * @mbox: pointer to lpfc mbox command to initialize. * * The PORT_CAPABILITIES supported pages mailbox command is issued to * retrieve the particular feature pages supported by the port. **/ void lpfc_supported_pages(struct lpfcMboxq *mbox) { struct lpfc_mbx_supp_pages *supp_pages; memset(mbox, 0, sizeof(*mbox)); supp_pages = &mbox->u.mqe.un.supp_pages; bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_PORT_CAPABILITIES); bf_set(cpn, supp_pages, LPFC_SUPP_PAGES); } /** * lpfc_pc_sli4_params - Initialize the PORT_CAPABILITIES SLI4 Params mbox cmd. * @mbox: pointer to lpfc mbox command to initialize. * * The PORT_CAPABILITIES SLI4 parameters mailbox command is issued to * retrieve the particular SLI4 features supported by the port. **/ void lpfc_pc_sli4_params(struct lpfcMboxq *mbox) { struct lpfc_mbx_pc_sli4_params *sli4_params; memset(mbox, 0, sizeof(*mbox)); sli4_params = &mbox->u.mqe.un.sli4_params; bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_PORT_CAPABILITIES); bf_set(cpn, sli4_params, LPFC_SLI4_PARAMETERS); }
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