diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_mbox.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_mbox.c | 1856 |
1 files changed, 1660 insertions, 196 deletions
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c index 7a9be4c5b7c..1f292e29d56 100644 --- a/drivers/scsi/lpfc/lpfc_mbox.c +++ b/drivers/scsi/lpfc/lpfc_mbox.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2007 Emulex. All rights reserved. * + * Copyright (C) 2004-2013 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -21,15 +21,19 @@ #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" @@ -37,17 +41,102 @@ #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; + } -/* mailbox command */ -/**********************************************/ + /* 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->context1 = (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_dump_mem(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint16_t offset) +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->mb; + mb = &pmb->u.mb; ctx = pmb->context2; /* Setup to dump VPD region */ @@ -56,7 +145,7 @@ lpfc_dump_mem(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint16_t offset) mb->un.varDmp.cv = 1; mb->un.varDmp.type = DMP_NV_PARAMS; mb->un.varDmp.entry_index = offset; - mb->un.varDmp.region_id = DMP_REGION_VPD; + 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; @@ -65,33 +154,83 @@ lpfc_dump_mem(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint16_t offset) return; } -/**********************************************/ -/* lpfc_read_nv Issue a READ NVPARAM */ -/* mailbox command */ -/**********************************************/ +/** + * 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->context2; + + /* 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->context2 = 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->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 Issue a */ -/* MBX_ASYNC_EVT_ENABLE mailbox command */ -/**********************************************/ +/** + * 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->mb; + mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); mb->mbxCommand = MBX_ASYNCEVT_ENABLE; mb->un.varCfgAsyncEvent.ring = ring; @@ -99,60 +238,98 @@ lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, return; } -/**********************************************/ -/* lpfc_heart_beat Issue a HEART_BEAT */ -/* mailbox command */ -/**********************************************/ +/** + * 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->mb; + mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); mb->mbxCommand = MBX_HEARTBEAT; mb->mbxOwner = OWN_HOST; return; } -/**********************************************/ -/* lpfc_read_la Issue a READ LA */ -/* mailbox command */ -/**********************************************/ +/** + * 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_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, struct lpfc_dmabuf *mp) +lpfc_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, + struct lpfc_dmabuf *mp) { MAILBOX_t *mb; struct lpfc_sli *psli; psli = &phba->sli; - mb = &pmb->mb; + mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); INIT_LIST_HEAD(&mp->list); - mb->mbxCommand = MBX_READ_LA64; - mb->un.varReadLA.un.lilpBde64.tus.f.bdeSize = 128; - mb->un.varReadLA.un.lilpBde64.addrHigh = putPaddrHigh(mp->phys); - mb->un.varReadLA.un.lilpBde64.addrLow = putPaddrLow(mp->phys); + 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->context1 = (uint8_t *) mp; + pmb->context1 = (uint8_t *)mp; mb->mbxOwner = OWN_HOST; return (0); } -/**********************************************/ -/* lpfc_clear_la Issue a CLEAR LA */ -/* mailbox command */ -/**********************************************/ +/** + * 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->mb; + mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); mb->un.varClearLA.eventTag = phba->fc_eventTag; @@ -161,21 +338,31 @@ lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) return; } -/**************************************************/ -/* lpfc_config_link Issue a CONFIG LINK */ -/* mailbox command */ -/**************************************************/ +/** + * 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->mb; + 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) { + 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; @@ -191,7 +378,7 @@ lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) mb->un.varCfgLnk.crtov = phba->fc_crtov; mb->un.varCfgLnk.citov = phba->fc_citov; - if (phba->cfg_ack0) + if (phba->cfg_ack0 && (phba->sli_rev < LPFC_SLI_REV4)) mb->un.varCfgLnk.ack0_enable = 1; mb->mbxCommand = MBX_CONFIG_LINK; @@ -199,10 +386,98 @@ lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) return; } -/**********************************************/ -/* lpfc_init_link Issue an INIT LINK */ -/* mailbox command */ -/**********************************************/ +/** + * 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) @@ -211,7 +486,7 @@ lpfc_init_link(struct lpfc_hba * phba, struct lpfc_sli *psli; MAILBOX_t *mb; - mb = &pmb->mb; + mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); psli = &phba->sli; @@ -244,18 +519,33 @@ lpfc_init_link(struct lpfc_hba * phba, vpd = &phba->vpd; if (vpd->rev.feaLevelHigh >= 0x02){ switch(linkspeed){ - case LINK_SPEED_1G: - case LINK_SPEED_2G: - case LINK_SPEED_4G: - case LINK_SPEED_8G: - mb->un.varInitLnk.link_flags |= - FLAGS_LINK_SPEED; - mb->un.varInitLnk.link_speed = 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 LINK_SPEED_AUTO: - default: - mb->un.varInitLnk.link_speed = - LINK_SPEED_AUTO; + 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_AUTO: + default: + mb->un.varInitLnk.link_speed = LINK_SPEED_AUTO; break; } @@ -269,10 +559,27 @@ lpfc_init_link(struct lpfc_hba * phba, return; } -/**********************************************/ -/* lpfc_read_sparam Issue a READ SPARAM */ -/* mailbox command */ -/**********************************************/ +/** + * 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) { @@ -281,7 +588,7 @@ lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi) struct lpfc_sli *psli; psli = &phba->sli; - mb = &pmb->mb; + mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); mb->mbxOwner = OWN_HOST; @@ -304,7 +611,8 @@ lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi) 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); - mb->un.varRdSparm.vpi = vpi; + if (phba->sli_rev >= LPFC_SLI_REV3) + mb->un.varRdSparm.vpi = phba->vpi_ids[vpi]; /* save address for completion */ pmb->context1 = mp; @@ -312,37 +620,60 @@ lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi) return (0); } -/********************************************/ -/* lpfc_unreg_did Issue a UNREG_DID */ -/* mailbox command */ -/********************************************/ +/** + * 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->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_nv Issue a READ CONFIG */ -/* mailbox command */ -/**********************************************/ +/** + * 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->mb; + mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); mb->mbxCommand = MBX_READ_CONFIG; @@ -350,16 +681,24 @@ lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) return; } -/*************************************************/ -/* lpfc_read_lnk_stat Issue a READ LINK STATUS */ -/* mailbox command */ -/*************************************************/ +/** + * 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->mb; + mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); mb->mbxCommand = MBX_READ_LNK_STAT; @@ -367,27 +706,47 @@ lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) return; } -/********************************************/ -/* lpfc_reg_login Issue a REG_LOGIN */ -/* mailbox command */ -/********************************************/ +/** + * 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_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t did, - uint8_t *param, LPFC_MBOXQ_t *pmb, uint32_t flag) +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->mb; + 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; - mb->un.varRegLogin.vpi = vpi; + 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->un.varWords[30] = flag; /* Set flag to issue action on cmpl */ - mb->mbxOwner = OWN_HOST; - /* Get a buffer to hold NPorts Service Parameters */ mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); if (mp) @@ -398,8 +757,8 @@ lpfc_reg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t did, /* REG_LOGIN: no buffers */ lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, "0302 REG_LOGIN: no buffers, VPI:%d DID:x%x, " - "flag x%x\n", vpi, did, flag); - return (1); + "rpi x%x\n", vpi, did, rpi); + return 1; } INIT_LIST_HEAD(&mp->list); sparam = mp->virt; @@ -415,45 +774,120 @@ lpfc_reg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t did, mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys); mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys); - return (0); + return 0; } -/**********************************************/ -/* lpfc_unreg_login Issue a UNREG_LOGIN */ -/* mailbox command */ -/**********************************************/ +/** + * 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->mb; + mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); - mb->un.varUnregLogin.rpi = (uint16_t) rpi; + mb->un.varUnregLogin.rpi = rpi; mb->un.varUnregLogin.rsvd1 = 0; - mb->un.varUnregLogin.vpi = vpi; + 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_reg_vpi Issue a REG_VPI */ -/* mailbox command */ -/**************************************************/ +/** + * 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_reg_vpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t sid, - LPFC_MBOXQ_t *pmb) +lpfc_sli4_unreg_all_rpis(struct lpfc_vport *vport) { - MAILBOX_t *mb = &pmb->mb; + 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->context1 = NULL; + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); + if (rc == MBX_NOT_FINISHED) + mempool_free(mbox, phba->mbox_mem_pool); + } +} - memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); +/** + * 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; - mb->un.varRegVpi.vpi = vpi; - mb->un.varRegVpi.sid = sid; + 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; @@ -461,17 +895,32 @@ lpfc_reg_vpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t sid, } -/**************************************************/ -/* lpfc_unreg_vpi Issue a UNREG_VNPI */ -/* mailbox command */ -/**************************************************/ +/** + * 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->mb; + MAILBOX_t *mb = &pmb->u.mb; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); - mb->un.varUnregVpi.vpi = vpi; + 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; @@ -479,12 +928,19 @@ lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb) } +/** + * 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->slim2p->pcb; + PCB_t *pcbp = phba->pcb; dma_addr_t pdma_addr; uint32_t offset; uint32_t iocbCnt = 0; @@ -495,51 +951,68 @@ lpfc_config_pcb_setup(struct lpfc_hba * phba) for (i = 0; i < psli->num_rings; i++) { pring = &psli->ring[i]; - pring->sizeCiocb = phba->sli_rev == 3 ? SLI3_IOCB_CMD_SIZE: + pring->sli.sli3.sizeCiocb = + phba->sli_rev == 3 ? SLI3_IOCB_CMD_SIZE : SLI2_IOCB_CMD_SIZE; - pring->sizeRiocb = phba->sli_rev == 3 ? SLI3_IOCB_RSP_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->numCiocb == 0) || (pring->numRiocb == 0)) { + 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->cmdringaddr = NULL; - pring->rspringaddr = NULL; + pring->sli.sli3.cmdringaddr = NULL; + pring->sli.sli3.rspringaddr = NULL; continue; } /* Command ring setup for ring */ - pring->cmdringaddr = (void *) &phba->slim2p->IOCBs[iocbCnt]; - pcbp->rdsc[i].cmdEntries = pring->numCiocb; + pring->sli.sli3.cmdringaddr = (void *)&phba->IOCBs[iocbCnt]; + pcbp->rdsc[i].cmdEntries = pring->sli.sli3.numCiocb; - offset = (uint8_t *) &phba->slim2p->IOCBs[iocbCnt] - - (uint8_t *) phba->slim2p; - pdma_addr = phba->slim2p_mapping + offset; + 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->numCiocb; + iocbCnt += pring->sli.sli3.numCiocb; /* Response ring setup for ring */ - pring->rspringaddr = (void *) &phba->slim2p->IOCBs[iocbCnt]; + pring->sli.sli3.rspringaddr = (void *) &phba->IOCBs[iocbCnt]; - pcbp->rdsc[i].rspEntries = pring->numRiocb; - offset = (uint8_t *)&phba->slim2p->IOCBs[iocbCnt] - - (uint8_t *)phba->slim2p; - pdma_addr = phba->slim2p_mapping + offset; + 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->numRiocb; + 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->mb; + 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 */ @@ -548,6 +1021,36 @@ lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 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) @@ -557,6 +1060,16 @@ lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb, 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) @@ -569,6 +1082,17 @@ lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb, 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) @@ -581,13 +1105,27 @@ lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb, 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->mb; + MAILBOX_t *mb = &pmb->u.mb; struct config_hbq_var *hbqmb = &mb->un.varCfgHbq; memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); @@ -641,13 +1179,28 @@ lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id, 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->mb; + MAILBOX_t *mb = &pmb->u.mb; struct lpfc_sli *psli; struct lpfc_sli_ring *pring; @@ -673,7 +1226,7 @@ lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb) /* 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_ELS_REQ) + 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; @@ -684,11 +1237,25 @@ lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb) 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->mb; + MAILBOX_t *mb = &pmb->u.mb; dma_addr_t pdma_addr; uint32_t bar_low, bar_high; size_t offset; @@ -702,38 +1269,48 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) mb->un.varCfgPort.pcbLen = sizeof(PCB_t); - offset = (uint8_t *)&phba->slim2p->pcb - (uint8_t *)phba->slim2p; - pdma_addr = phba->slim2p_mapping + offset; + 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 == 3 && phba->vpd.sli3Feat.cerbm) { + 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 = phba->max_vpi; + mb->un.varCfgPort.max_vpi = LPFC_MAX_VPI; mb->un.varCfgPort.cmv = 1; - phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED; } else mb->un.varCfgPort.max_vpi = phba->max_vpi = 0; } else - phba->sli_rev = 2; + 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->slim2p->pcb.type = TYPE_NATIVE_SLI2; - phba->slim2p->pcb.feature = FEATURE_INITIAL_SLI2; + phba->pcb->type = TYPE_NATIVE_SLI2; + phba->pcb->feature = FEATURE_INITIAL_SLI2; /* Setup Mailbox pointers */ - phba->slim2p->pcb.mailBoxSize = offsetof(MAILBOX_t, us) + - sizeof(struct sli2_desc); - offset = (uint8_t *)&phba->slim2p->mbx - (uint8_t *)phba->slim2p; - pdma_addr = phba->slim2p_mapping + offset; - phba->slim2p->pcb.mbAddrHigh = putPaddrHigh(pdma_addr); - phba->slim2p->pcb.mbAddrLow = putPaddrLow(pdma_addr); + 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. @@ -785,42 +1362,52 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) * */ - 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]; + 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->slim2p->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->slim2p->pcb.hgpAddrHigh = bar_high; - else - phba->slim2p->pcb.hgpAddrHigh = 0; - /* write HGP data to SLIM at the required longword offset */ - memset(&hgp, 0, sizeof(struct lpfc_hgp)); + /* 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, + 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 ring pointer */ + /* Setup Port Group offset */ if (phba->sli_rev == 3) - pgp_offset = (uint8_t *)&phba->slim2p->mbx.us.s3_pgp.port - - (uint8_t *)phba->slim2p; + pgp_offset = offsetof(struct lpfc_sli2_slim, + mbx.us.s3_pgp.port); else - pgp_offset = (uint8_t *)&phba->slim2p->mbx.us.s2.port - - (uint8_t *)phba->slim2p; - - pdma_addr = phba->slim2p_mapping + pgp_offset; - phba->slim2p->pcb.pgpAddrHigh = putPaddrHigh(pdma_addr); - phba->slim2p->pcb.pgpAddrLow = putPaddrLow(pdma_addr); - phba->hbq_get = &phba->slim2p->mbx.us.s3_pgp.hbq_get[0]; + 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); @@ -835,14 +1422,28 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /* Swap PCB if needed */ - lpfc_sli_pcimem_bcopy(&phba->slim2p->pcb, &phba->slim2p->pcb, - sizeof(PCB_t)); + 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->mb; + MAILBOX_t *mb = &pmb->u.mb; memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); mb->mbxCommand = MBX_KILL_BOARD; @@ -850,6 +1451,16 @@ lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) 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) { @@ -864,6 +1475,20 @@ lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq) 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) { @@ -877,28 +1502,867 @@ lpfc_mbox_get(struct lpfc_hba * phba) 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) +__lpfc_mbox_cmpl_put(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbq) { - /* This function expects to be called from interrupt context */ - spin_lock(&phba->hbalock); list_add_tail(&mbq->list, &phba->sli.mboxq_cmpl); - spin_unlock(&phba->hbalock); +} + +/** + * 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_tmo_val(struct lpfc_hba *phba, int cmd) +lpfc_mbox_dev_check(struct lpfc_hba *phba) { - switch (cmd) { + /* 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; + memset(viraddr, 0, SLI4_PAGE_SIZE); + 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; + dma_addr_t phys_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); + phys_addr = getPaddr(sge.pa_hi, sge.pa_lo); + 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); + + 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; + + 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; + 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_vp, reg_vfi, 0); + bf_set(lpfc_reg_vfi_upd, 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\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); +} + +/** + * 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->context1 = (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; +} + +/** + * 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); + bf_set(lpfc_reg_fcfi_rq_id0, reg_fcfi, phba->sli4_hba.hdr_rq->queue_id); + bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi, REG_FCF_INVALID_QID); + 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); + /* reg_fcf addr mode is bit wise inverted value of fcf addr_mode */ + bf_set(lpfc_reg_fcfi_mam, reg_fcfi, (~phba->fcf.addr_mode) & 0x3); + 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_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); +} |