diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_attr.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 633 |
1 files changed, 568 insertions, 65 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index c84775562c65..5c783ef7f260 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -1,9 +1,11 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * + * Copyright (C) 2017 Broadcom. All Rights Reserved. The term * + * “Broadcom” refers to Broadcom Limited and/or its subsidiaries. * * Copyright (C) 2004-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * + * www.broadcom.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * * * * This program is free software; you can redistribute it and/or * @@ -35,14 +37,18 @@ #include <scsi/scsi_transport_fc.h> #include <scsi/fc/fc_fs.h> +#include <linux/nvme-fc-driver.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_scsi.h" +#include "lpfc_nvme.h" +#include "lpfc_nvmet.h" #include "lpfc_logmsg.h" #include "lpfc_version.h" #include "lpfc_compat.h" @@ -50,9 +56,13 @@ #include "lpfc_vport.h" #include "lpfc_attr.h" -#define LPFC_DEF_DEVLOSS_TMO 30 -#define LPFC_MIN_DEVLOSS_TMO 1 -#define LPFC_MAX_DEVLOSS_TMO 255 +#define LPFC_DEF_DEVLOSS_TMO 30 +#define LPFC_MIN_DEVLOSS_TMO 1 +#define LPFC_MAX_DEVLOSS_TMO 255 + +#define LPFC_DEF_MRQ_POST 256 +#define LPFC_MIN_MRQ_POST 32 +#define LPFC_MAX_MRQ_POST 512 /* * Write key size should be multiple of 4. If write key is changed @@ -130,6 +140,211 @@ lpfc_enable_fip_show(struct device *dev, struct device_attribute *attr, } static ssize_t +lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct lpfc_vport *vport = shost_priv(shost); + struct lpfc_hba *phba = vport->phba; + struct lpfc_nvmet_tgtport *tgtp; + struct nvme_fc_local_port *localport; + struct lpfc_nvme_lport *lport; + struct lpfc_nvme_rport *rport; + struct nvme_fc_remote_port *nrport; + char *statep; + int len = 0; + + if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) { + len += snprintf(buf, PAGE_SIZE, "NVME Disabled\n"); + return len; + } + if (phba->nvmet_support) { + if (!phba->targetport) { + len = snprintf(buf, PAGE_SIZE, + "NVME Target: x%llx is not allocated\n", + wwn_to_u64(vport->fc_portname.u.wwn)); + return len; + } + /* Port state is only one of two values for now. */ + if (phba->targetport->port_id) + statep = "REGISTERED"; + else + statep = "INIT"; + len += snprintf(buf + len, PAGE_SIZE - len, + "NVME Target: Enabled State %s\n", + statep); + len += snprintf(buf + len, PAGE_SIZE - len, + "%s%d WWPN x%llx WWNN x%llx DID x%06x\n", + "NVME Target: lpfc", + phba->brd_no, + wwn_to_u64(vport->fc_portname.u.wwn), + wwn_to_u64(vport->fc_nodename.u.wwn), + phba->targetport->port_id); + + len += snprintf(buf + len, PAGE_SIZE, + "\nNVME Target: Statistics\n"); + tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; + len += snprintf(buf+len, PAGE_SIZE-len, + "LS: Rcv %08x Drop %08x Abort %08x\n", + atomic_read(&tgtp->rcv_ls_req_in), + atomic_read(&tgtp->rcv_ls_req_drop), + atomic_read(&tgtp->xmt_ls_abort)); + if (atomic_read(&tgtp->rcv_ls_req_in) != + atomic_read(&tgtp->rcv_ls_req_out)) { + len += snprintf(buf+len, PAGE_SIZE-len, + "Rcv LS: in %08x != out %08x\n", + atomic_read(&tgtp->rcv_ls_req_in), + atomic_read(&tgtp->rcv_ls_req_out)); + } + + len += snprintf(buf+len, PAGE_SIZE-len, + "LS: Xmt %08x Drop %08x Cmpl %08x Err %08x\n", + atomic_read(&tgtp->xmt_ls_rsp), + atomic_read(&tgtp->xmt_ls_drop), + atomic_read(&tgtp->xmt_ls_rsp_cmpl), + atomic_read(&tgtp->xmt_ls_rsp_error)); + + len += snprintf(buf+len, PAGE_SIZE-len, + "FCP: Rcv %08x Drop %08x\n", + atomic_read(&tgtp->rcv_fcp_cmd_in), + atomic_read(&tgtp->rcv_fcp_cmd_drop)); + + if (atomic_read(&tgtp->rcv_fcp_cmd_in) != + atomic_read(&tgtp->rcv_fcp_cmd_out)) { + len += snprintf(buf+len, PAGE_SIZE-len, + "Rcv FCP: in %08x != out %08x\n", + atomic_read(&tgtp->rcv_fcp_cmd_in), + atomic_read(&tgtp->rcv_fcp_cmd_out)); + } + + len += snprintf(buf+len, PAGE_SIZE-len, + "FCP Rsp: RD %08x rsp %08x WR %08x rsp %08x\n", + atomic_read(&tgtp->xmt_fcp_read), + atomic_read(&tgtp->xmt_fcp_read_rsp), + atomic_read(&tgtp->xmt_fcp_write), + atomic_read(&tgtp->xmt_fcp_rsp)); + + len += snprintf(buf+len, PAGE_SIZE-len, + "FCP Rsp: abort %08x drop %08x\n", + atomic_read(&tgtp->xmt_fcp_abort), + atomic_read(&tgtp->xmt_fcp_drop)); + + len += snprintf(buf+len, PAGE_SIZE-len, + "FCP Rsp Cmpl: %08x err %08x drop %08x\n", + atomic_read(&tgtp->xmt_fcp_rsp_cmpl), + atomic_read(&tgtp->xmt_fcp_rsp_error), + atomic_read(&tgtp->xmt_fcp_rsp_drop)); + + len += snprintf(buf+len, PAGE_SIZE-len, + "ABORT: Xmt %08x Err %08x Cmpl %08x", + atomic_read(&tgtp->xmt_abort_rsp), + atomic_read(&tgtp->xmt_abort_rsp_error), + atomic_read(&tgtp->xmt_abort_cmpl)); + + len += snprintf(buf+len, PAGE_SIZE-len, "\n"); + return len; + } + + localport = vport->localport; + if (!localport) { + len = snprintf(buf, PAGE_SIZE, + "NVME Initiator x%llx is not allocated\n", + wwn_to_u64(vport->fc_portname.u.wwn)); + return len; + } + len = snprintf(buf, PAGE_SIZE, "NVME Initiator Enabled\n"); + + spin_lock_irq(shost->host_lock); + lport = (struct lpfc_nvme_lport *)localport->private; + + /* Port state is only one of two values for now. */ + if (localport->port_id) + statep = "ONLINE"; + else + statep = "UNKNOWN "; + + len += snprintf(buf + len, PAGE_SIZE - len, + "%s%d WWPN x%llx WWNN x%llx DID x%06x %s\n", + "NVME LPORT lpfc", + phba->brd_no, + wwn_to_u64(vport->fc_portname.u.wwn), + wwn_to_u64(vport->fc_nodename.u.wwn), + localport->port_id, statep); + + list_for_each_entry(rport, &lport->rport_list, list) { + /* local short-hand pointer. */ + nrport = rport->remoteport; + + /* Port state is only one of two values for now. */ + switch (nrport->port_state) { + case FC_OBJSTATE_ONLINE: + statep = "ONLINE"; + break; + case FC_OBJSTATE_UNKNOWN: + statep = "UNKNOWN "; + break; + default: + statep = "UNSUPPORTED"; + break; + } + + /* Tab in to show lport ownership. */ + len += snprintf(buf + len, PAGE_SIZE - len, + "NVME RPORT "); + if (phba->brd_no >= 10) + len += snprintf(buf + len, PAGE_SIZE - len, " "); + + len += snprintf(buf + len, PAGE_SIZE - len, "WWPN x%llx ", + nrport->port_name); + len += snprintf(buf + len, PAGE_SIZE - len, "WWNN x%llx ", + nrport->node_name); + len += snprintf(buf + len, PAGE_SIZE - len, "DID x%06x ", + nrport->port_id); + + switch (nrport->port_role) { + case FC_PORT_ROLE_NVME_INITIATOR: + len += snprintf(buf + len, PAGE_SIZE - len, + "INITIATOR "); + break; + case FC_PORT_ROLE_NVME_TARGET: + len += snprintf(buf + len, PAGE_SIZE - len, + "TARGET "); + break; + case FC_PORT_ROLE_NVME_DISCOVERY: + len += snprintf(buf + len, PAGE_SIZE - len, + "DISCOVERY "); + break; + default: + len += snprintf(buf + len, PAGE_SIZE - len, + "UNKNOWN_ROLE x%x", + nrport->port_role); + break; + } + len += snprintf(buf + len, PAGE_SIZE - len, "%s ", statep); + /* Terminate the string. */ + len += snprintf(buf + len, PAGE_SIZE - len, "\n"); + } + spin_unlock_irq(shost->host_lock); + + len += snprintf(buf + len, PAGE_SIZE, "\nNVME Statistics\n"); + len += snprintf(buf+len, PAGE_SIZE-len, + "LS: Xmt %016llx Cmpl %016llx\n", + phba->fc4NvmeLsRequests, + phba->fc4NvmeLsCmpls); + + len += snprintf(buf+len, PAGE_SIZE-len, + "FCP: Rd %016llx Wr %016llx IO %016llx\n", + phba->fc4NvmeInputRequests, + phba->fc4NvmeOutputRequests, + phba->fc4NvmeControlRequests); + + len += snprintf(buf+len, PAGE_SIZE-len, + " Cmpl %016llx\n", phba->fc4NvmeIoCmpls); + + return len; +} + +static ssize_t lpfc_bg_info_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -675,6 +890,28 @@ lpfc_issue_lip(struct Scsi_Host *shost) return 0; } +int +lpfc_emptyq_wait(struct lpfc_hba *phba, struct list_head *q, spinlock_t *lock) +{ + int cnt = 0; + + spin_lock_irq(lock); + while (!list_empty(q)) { + spin_unlock_irq(lock); + msleep(20); + if (cnt++ > 250) { /* 5 secs */ + lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, + "0466 %s %s\n", + "Outstanding IO when ", + "bringing Adapter offline\n"); + return 0; + } + spin_lock_irq(lock); + } + spin_unlock_irq(lock); + return 1; +} + /** * lpfc_do_offline - Issues a mailbox command to bring the link down * @phba: lpfc_hba pointer. @@ -694,10 +931,10 @@ static int lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) { struct completion online_compl; + struct lpfc_queue *qp = NULL; struct lpfc_sli_ring *pring; struct lpfc_sli *psli; int status = 0; - int cnt = 0; int i; int rc; @@ -717,20 +954,24 @@ lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) /* Wait a little for things to settle down, but not * long enough for dev loss timeout to expire. */ - for (i = 0; i < psli->num_rings; i++) { - pring = &psli->ring[i]; - while (!list_empty(&pring->txcmplq)) { - msleep(10); - if (cnt++ > 500) { /* 5 secs */ - lpfc_printf_log(phba, - KERN_WARNING, LOG_INIT, - "0466 Outstanding IO when " - "bringing Adapter offline\n"); - break; - } + if (phba->sli_rev != LPFC_SLI_REV4) { + for (i = 0; i < psli->num_rings; i++) { + pring = &psli->sli3_ring[i]; + if (!lpfc_emptyq_wait(phba, &pring->txcmplq, + &phba->hbalock)) + goto out; + } + } else { + list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) { + pring = qp->pring; + if (!pring) + continue; + if (!lpfc_emptyq_wait(phba, &pring->txcmplq, + &pring->ring_lock)) + goto out; } } - +out: init_completion(&online_compl); rc = lpfc_workq_post_event(phba, &status, &online_compl, type); if (rc == 0) @@ -1945,6 +2186,7 @@ lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ } +static DEVICE_ATTR(nvme_info, 0444, lpfc_nvme_info_show, NULL); static DEVICE_ATTR(bg_info, S_IRUGO, lpfc_bg_info_show, NULL); static DEVICE_ATTR(bg_guard_err, S_IRUGO, lpfc_bg_guard_err_show, NULL); static DEVICE_ATTR(bg_apptag_err, S_IRUGO, lpfc_bg_apptag_err_show, NULL); @@ -2073,6 +2315,13 @@ lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr, return -EINVAL; phba->soft_wwn_enable = 1; + + dev_printk(KERN_WARNING, &phba->pcidev->dev, + "lpfc%d: soft_wwpn assignment has been enabled.\n", + phba->brd_no); + dev_printk(KERN_WARNING, &phba->pcidev->dev, + " The soft_wwpn feature is not supported by Broadcom."); + return count; } static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, @@ -2143,7 +2392,7 @@ lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr, phba->soft_wwn_enable = 0; rc = lpfc_wwn_set(buf, cnt, wwpn); - if (!rc) { + if (rc) { /* not able to set wwpn, unlock it */ phba->soft_wwn_enable = 1; return rc; @@ -2224,7 +2473,7 @@ lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr, return -EINVAL; rc = lpfc_wwn_set(buf, cnt, wwnn); - if (!rc) { + if (rc) { /* Allow wwnn to be set many times, as long as the enable * is set. However, once the wwpn is set, everything locks. */ @@ -2435,7 +2684,8 @@ lpfc_oas_vpt_store(struct device *dev, struct device_attribute *attr, else phba->cfg_oas_flags &= ~OAS_FIND_ANY_VPORT; phba->cfg_oas_flags &= ~OAS_LUN_VALID; - phba->cfg_oas_priority = phba->cfg_XLanePriority; + if (phba->cfg_oas_priority == 0) + phba->cfg_oas_priority = phba->cfg_XLanePriority; phba->sli4_hba.oas_next_lun = FIND_FIRST_OAS_LUN; return count; } @@ -2561,7 +2811,7 @@ lpfc_oas_lun_state_set(struct lpfc_hba *phba, uint8_t vpt_wwpn[], rc = -ENOMEM; } else { lpfc_disable_oas_lun(phba, (struct lpfc_name *)vpt_wwpn, - (struct lpfc_name *)tgt_wwpn, lun); + (struct lpfc_name *)tgt_wwpn, lun, pri); } return rc; @@ -2585,7 +2835,8 @@ lpfc_oas_lun_state_set(struct lpfc_hba *phba, uint8_t vpt_wwpn[], */ static uint64_t lpfc_oas_lun_get_next(struct lpfc_hba *phba, uint8_t vpt_wwpn[], - uint8_t tgt_wwpn[], uint32_t *lun_status) + uint8_t tgt_wwpn[], uint32_t *lun_status, + uint32_t *lun_pri) { uint64_t found_lun; @@ -2598,7 +2849,7 @@ lpfc_oas_lun_get_next(struct lpfc_hba *phba, uint8_t vpt_wwpn[], &phba->sli4_hba.oas_next_lun, (struct lpfc_name *)vpt_wwpn, (struct lpfc_name *)tgt_wwpn, - &found_lun, lun_status)) + &found_lun, lun_status, lun_pri)) return found_lun; else return NOT_OAS_ENABLED_LUN; @@ -2670,7 +2921,8 @@ lpfc_oas_lun_show(struct device *dev, struct device_attribute *attr, oas_lun = lpfc_oas_lun_get_next(phba, phba->cfg_oas_vpt_wwpn, phba->cfg_oas_tgt_wwpn, - &phba->cfg_oas_lun_status); + &phba->cfg_oas_lun_status, + &phba->cfg_oas_priority); if (oas_lun != NOT_OAS_ENABLED_LUN) phba->cfg_oas_flags |= OAS_LUN_VALID; @@ -2701,6 +2953,7 @@ lpfc_oas_lun_store(struct device *dev, struct device_attribute *attr, struct Scsi_Host *shost = class_to_shost(dev); struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; uint64_t scsi_lun; + uint32_t pri; ssize_t rc; if (!phba->cfg_fof) @@ -2718,17 +2971,20 @@ lpfc_oas_lun_store(struct device *dev, struct device_attribute *attr, if (sscanf(buf, "0x%llx", &scsi_lun) != 1) return -EINVAL; + pri = phba->cfg_oas_priority; + if (pri == 0) + pri = phba->cfg_XLanePriority; + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "3372 Try to set vport 0x%llx target 0x%llx lun:0x%llx " "priority 0x%x with oas state %d\n", wwn_to_u64(phba->cfg_oas_vpt_wwpn), wwn_to_u64(phba->cfg_oas_tgt_wwpn), scsi_lun, - phba->cfg_oas_priority, phba->cfg_oas_lun_state); + pri, phba->cfg_oas_lun_state); rc = lpfc_oas_lun_state_change(phba, phba->cfg_oas_vpt_wwpn, phba->cfg_oas_tgt_wwpn, scsi_lun, - phba->cfg_oas_lun_state, - phba->cfg_oas_priority); + phba->cfg_oas_lun_state, pri); if (rc) return rc; @@ -2737,6 +2993,13 @@ lpfc_oas_lun_store(struct device *dev, struct device_attribute *attr, static DEVICE_ATTR(lpfc_xlane_lun, S_IRUGO | S_IWUSR, lpfc_oas_lun_show, lpfc_oas_lun_store); +int lpfc_enable_nvmet_cnt; +unsigned long long lpfc_enable_nvmet[LPFC_NVMET_MAX_PORTS] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; +module_param_array(lpfc_enable_nvmet, ullong, &lpfc_enable_nvmet_cnt, 0444); +MODULE_PARM_DESC(lpfc_enable_nvmet, "Enable HBA port(s) WWPN as a NVME Target"); + static int lpfc_poll = 0; module_param(lpfc_poll, int, S_IRUGO); MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:" @@ -2802,9 +3065,9 @@ lpfc_txq_hw_show(struct device *dev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(dev); struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; + struct lpfc_sli_ring *pring = lpfc_phba_elsring(phba); - return snprintf(buf, PAGE_SIZE, "%d\n", - phba->sli.ring[LPFC_ELS_RING].txq_max); + return snprintf(buf, PAGE_SIZE, "%d\n", pring->txq_max); } static DEVICE_ATTR(txq_hw, S_IRUGO, @@ -2815,9 +3078,9 @@ lpfc_txcmplq_hw_show(struct device *dev, struct device_attribute *attr, { struct Scsi_Host *shost = class_to_shost(dev); struct lpfc_hba *phba = ((struct lpfc_vport *) shost->hostdata)->phba; + struct lpfc_sli_ring *pring = lpfc_phba_elsring(phba); - return snprintf(buf, PAGE_SIZE, "%d\n", - phba->sli.ring[LPFC_ELS_RING].txcmplq_max); + return snprintf(buf, PAGE_SIZE, "%d\n", pring->txcmplq_max); } static DEVICE_ATTR(txcmplq_hw, S_IRUGO, @@ -3016,6 +3279,59 @@ static DEVICE_ATTR(lpfc_devloss_tmo, S_IRUGO | S_IWUSR, lpfc_devloss_tmo_show, lpfc_devloss_tmo_store); /* + * lpfc_suppress_rsp: Enable suppress rsp feature is firmware supports it + * lpfc_suppress_rsp = 0 Disable + * lpfc_suppress_rsp = 1 Enable (default) + * + */ +LPFC_ATTR_R(suppress_rsp, 1, 0, 1, + "Enable suppress rsp feature is firmware supports it"); + +/* + * lpfc_nvmet_mrq: Specify number of RQ pairs for processing NVMET cmds + * lpfc_nvmet_mrq = 1 use a single RQ pair + * lpfc_nvmet_mrq >= 2 use specified RQ pairs for MRQ + * + */ +LPFC_ATTR_R(nvmet_mrq, + 1, 1, 16, + "Specify number of RQ pairs for processing NVMET cmds"); + +/* + * lpfc_nvmet_mrq_post: Specify number buffers to post on every MRQ + * + */ +LPFC_ATTR_R(nvmet_mrq_post, LPFC_DEF_MRQ_POST, + LPFC_MIN_MRQ_POST, LPFC_MAX_MRQ_POST, + "Specify number of buffers to post on every MRQ"); + +/* + * lpfc_enable_fc4_type: Defines what FC4 types are supported. + * Supported Values: 1 - register just FCP + * 3 - register both FCP and NVME + * Supported values are [1,3]. Default value is 3 + */ +LPFC_ATTR_R(enable_fc4_type, LPFC_ENABLE_BOTH, + LPFC_ENABLE_FCP, LPFC_ENABLE_BOTH, + "Define fc4 type to register with fabric."); + +/* + * lpfc_xri_split: Defines the division of XRI resources between SCSI and NVME + * This parameter is only used if: + * lpfc_enable_fc4_type is 3 - register both FCP and NVME and + * port is not configured for NVMET. + * + * ELS/CT always get 10% of XRIs, up to a maximum of 250 + * The remaining XRIs get split up based on lpfc_xri_split per port: + * + * Supported Values are in percentages + * the xri_split value is the percentage the SCSI port will get. The remaining + * percentage will go to NVME. + */ +LPFC_ATTR_R(xri_split, 50, 10, 90, + "Division of XRI resources between SCSI and NVME"); + +/* # lpfc_log_verbose: Only turn this flag on if you are willing to risk being # deluged with LOTS of information. # You can set a bit mask to record specific types of verbose messages: @@ -3315,7 +3631,7 @@ static DEVICE_ATTR(lpfc_static_vport, S_IRUGO, * @buf: Data buffer. * @count: Size of the data buffer. * - * This function get called when an user write to the lpfc_stat_data_ctrl + * This function get called when a user write to the lpfc_stat_data_ctrl * sysfs file. This function parse the command written to the sysfs file * and take appropriate action. These commands are used for controlling * driver statistical data collection. @@ -4129,13 +4445,14 @@ lpfc_fcp_imax_store(struct device *dev, struct device_attribute *attr, /* * Value range for the HBA is [5000,5000000] * The value for each EQ depends on how many EQs are configured. + * Allow value == 0 */ - if (val < LPFC_MIN_IMAX || val > LPFC_MAX_IMAX) + if (val && (val < LPFC_MIN_IMAX || val > LPFC_MAX_IMAX)) return -EINVAL; phba->cfg_fcp_imax = (uint32_t)val; - for (i = 0; i < phba->cfg_fcp_io_channel; i += LPFC_MAX_EQ_DELAY) - lpfc_modify_fcp_eq_delay(phba, i); + for (i = 0; i < phba->io_channel_irqs; i++) + lpfc_modify_hba_eq_delay(phba, i); return strlen(buf); } @@ -4173,7 +4490,8 @@ lpfc_fcp_imax_init(struct lpfc_hba *phba, int val) return 0; } - if (val >= LPFC_MIN_IMAX && val <= LPFC_MAX_IMAX) { + if ((val >= LPFC_MIN_IMAX && val <= LPFC_MAX_IMAX) || + (val == 0)) { phba->cfg_fcp_imax = val; return 0; } @@ -4363,6 +4681,32 @@ LPFC_VPORT_ATTR_RW(first_burst_size, 0, 0, 65536, "First burst size for Targets that support first burst"); /* +* lpfc_nvmet_fb_size: NVME Target mode supported first burst size. +* When the driver is configured as an NVME target, this value is +* communicated to the NVME initiator in the PRLI response. It is +* used only when the lpfc_nvme_enable_fb and lpfc_nvmet_support +* parameters are set and the target is sending the PRLI RSP. +* Parameter supported on physical port only - no NPIV support. +* Value range is [0,65536]. Default value is 0. +*/ +LPFC_ATTR_RW(nvmet_fb_size, 0, 0, 65536, + "NVME Target mode first burst size in 512B increments."); + +/* + * lpfc_nvme_enable_fb: Enable NVME first burst on I and T functions. + * For the Initiator (I), enabling this parameter means that an NVMET + * PRLI response with FBA enabled and an FB_SIZE set to a nonzero value will be + * processed by the initiator for subsequent NVME FCP IO. For the target + * function (T), enabling this parameter qualifies the lpfc_nvmet_fb_size + * driver parameter as the target function's first burst size returned to the + * initiator in the target's NVME PRLI response. Parameter supported on physical + * port only - no NPIV support. + * Value range is [0,1]. Default value is 0 (disabled). + */ +LPFC_ATTR_RW(nvme_enable_fb, 0, 0, 1, + "Enable First Burst feature on I and T functions."); + +/* # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue # depth. Default value is 0. When the value of this parameter is zero the # SCSI command completion time is not used for controlling I/O queue depth. When @@ -4409,17 +4753,25 @@ static DEVICE_ATTR(lpfc_max_scsicmpl_time, S_IRUGO | S_IWUSR, LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); /* -# lpfc_fcp_io_sched: Determine scheduling algrithmn for issuing FCP cmds -# range is [0,1]. Default value is 0. -# For [0], FCP commands are issued to Work Queues ina round robin fashion. -# For [1], FCP commands are issued to a Work Queue associated with the -# current CPU. -# It would be set to 1 by the driver if it's able to set up cpu affinity -# for FCP I/Os through Work Queue associated with the current CPU. Otherwise, -# roundrobin scheduling of FCP I/Os through WQs will be used. -*/ -LPFC_ATTR_RW(fcp_io_sched, 0, 0, 1, "Determine scheduling algorithm for " - "issuing commands [0] - Round Robin, [1] - Current CPU"); + * lpfc_io_sched: Determine scheduling algrithmn for issuing FCP cmds + * range is [0,1]. Default value is 0. + * For [0], FCP commands are issued to Work Queues ina round robin fashion. + * For [1], FCP commands are issued to a Work Queue associated with the + * current CPU. + * + * LPFC_FCP_SCHED_ROUND_ROBIN == 0 + * LPFC_FCP_SCHED_BY_CPU == 1 + * + * The driver dynamically sets this to 1 (BY_CPU) if it's able to set up cpu + * affinity for FCP/NVME I/Os through Work Queues associated with the current + * CPU. Otherwise, the default 0 (Round Robin) scheduling of FCP/NVME I/Os + * through WQs will be used. + */ +LPFC_ATTR_RW(fcp_io_sched, LPFC_FCP_SCHED_ROUND_ROBIN, + LPFC_FCP_SCHED_ROUND_ROBIN, + LPFC_FCP_SCHED_BY_CPU, + "Determine scheduling algorithm for " + "issuing commands [0] - Round Robin, [1] - Current CPU"); /* # lpfc_fcp2_no_tgt_reset: Determine bus reset behavior @@ -4546,15 +4898,54 @@ LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or " "MSI-X (2), if possible"); /* -# lpfc_fcp_io_channel: Set the number of FCP EQ/CQ/WQ IO channels -# -# Value range is [1,7]. Default value is 4. -*/ -LPFC_ATTR_R(fcp_io_channel, LPFC_FCP_IO_CHAN_DEF, LPFC_FCP_IO_CHAN_MIN, - LPFC_FCP_IO_CHAN_MAX, + * lpfc_nvme_oas: Use the oas bit when sending NVME/NVMET IOs + * + * 0 = NVME OAS disabled + * 1 = NVME OAS enabled + * + * Value range is [0,1]. Default value is 0. + */ +LPFC_ATTR_RW(nvme_oas, 0, 0, 1, + "Use OAS bit on NVME IOs"); + +/* + * lpfc_fcp_io_channel: Set the number of FCP IO channels the driver + * will advertise it supports to the SCSI layer. This also will map to + * the number of WQs the driver will create. + * + * 0 = Configure the number of io channels to the number of active CPUs. + * 1,32 = Manually specify how many io channels to use. + * + * Value range is [0,32]. Default value is 4. + */ +LPFC_ATTR_R(fcp_io_channel, + LPFC_FCP_IO_CHAN_DEF, + LPFC_HBA_IO_CHAN_MIN, LPFC_HBA_IO_CHAN_MAX, "Set the number of FCP I/O channels"); /* + * lpfc_nvme_io_channel: Set the number of IO hardware queues the driver + * will advertise it supports to the NVME layer. This also will map to + * the number of WQs the driver will create. + * + * This module parameter is valid when lpfc_enable_fc4_type is set + * to support NVME. + * + * The NVME Layer will try to create this many, plus 1 administrative + * hardware queue. The administrative queue will always map to WQ 0 + * A hardware IO queue maps (qidx) to a specific driver WQ. + * + * 0 = Configure the number of io channels to the number of active CPUs. + * 1,32 = Manually specify how many io channels to use. + * + * Value range is [0,32]. Default value is 0. + */ +LPFC_ATTR_R(nvme_io_channel, + LPFC_NVME_IO_CHAN_DEF, + LPFC_HBA_IO_CHAN_MIN, LPFC_HBA_IO_CHAN_MAX, + "Set the number of NVME I/O channels"); + +/* # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware. # 0 = HBA resets disabled # 1 = HBA resets enabled (default) @@ -4670,14 +5061,6 @@ LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT, LPFC_MAX_SG_SEG_CNT, "Max Scatter Gather Segment Count"); /* - * This parameter will be depricated, the driver cannot limit the - * protection data s/g list. - */ -LPFC_ATTR_R(prot_sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, - LPFC_DEFAULT_SG_SEG_CNT, LPFC_MAX_SG_SEG_CNT, - "Max Protection Scatter Gather Segment Count"); - -/* * lpfc_enable_mds_diags: Enable MDS Diagnostics * 0 = MDS Diagnostics disabled (default) * 1 = MDS Diagnostics enabled @@ -4686,6 +5069,7 @@ LPFC_ATTR_R(prot_sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_ATTR_R(enable_mds_diags, 0, 0, 1, "Enable MDS Diagnostics"); struct device_attribute *lpfc_hba_attrs[] = { + &dev_attr_nvme_info, &dev_attr_bg_info, &dev_attr_bg_guard_err, &dev_attr_bg_apptag_err, @@ -4712,6 +5096,8 @@ struct device_attribute *lpfc_hba_attrs[] = { &dev_attr_lpfc_peer_port_login, &dev_attr_lpfc_nodev_tmo, &dev_attr_lpfc_devloss_tmo, + &dev_attr_lpfc_enable_fc4_type, + &dev_attr_lpfc_xri_split, &dev_attr_lpfc_fcp_class, &dev_attr_lpfc_use_adisc, &dev_attr_lpfc_first_burst_size, @@ -4746,9 +5132,16 @@ struct device_attribute *lpfc_hba_attrs[] = { &dev_attr_lpfc_poll_tmo, &dev_attr_lpfc_task_mgmt_tmo, &dev_attr_lpfc_use_msi, + &dev_attr_lpfc_nvme_oas, &dev_attr_lpfc_fcp_imax, &dev_attr_lpfc_fcp_cpu_map, &dev_attr_lpfc_fcp_io_channel, + &dev_attr_lpfc_suppress_rsp, + &dev_attr_lpfc_nvme_io_channel, + &dev_attr_lpfc_nvmet_mrq, + &dev_attr_lpfc_nvmet_mrq_post, + &dev_attr_lpfc_nvme_enable_fb, + &dev_attr_lpfc_nvmet_fb_size, &dev_attr_lpfc_enable_bg, &dev_attr_lpfc_soft_wwnn, &dev_attr_lpfc_soft_wwpn, @@ -4766,7 +5159,6 @@ struct device_attribute *lpfc_hba_attrs[] = { &dev_attr_lpfc_sg_seg_cnt, &dev_attr_lpfc_max_scsicmpl_time, &dev_attr_lpfc_stat_data_ctrl, - &dev_attr_lpfc_prot_sg_seg_cnt, &dev_attr_lpfc_aer_support, &dev_attr_lpfc_aer_state_cleanup, &dev_attr_lpfc_sriov_nr_virtfn, @@ -5061,6 +5453,19 @@ lpfc_free_sysfs_attr(struct lpfc_vport *vport) */ /** + * lpfc_get_host_symbolic_name - Copy symbolic name into the scsi host + * @shost: kernel scsi host pointer. + **/ +static void +lpfc_get_host_symbolic_name(struct Scsi_Host *shost) +{ + struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; + + lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost), + sizeof fc_host_symbolic_name(shost)); +} + +/** * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id * @shost: kernel scsi host pointer. **/ @@ -5597,6 +6002,8 @@ struct fc_function_template lpfc_transport_functions = { .show_host_supported_fc4s = 1, .show_host_supported_speeds = 1, .show_host_maxframe_size = 1, + + .get_host_symbolic_name = lpfc_get_host_symbolic_name, .show_host_symbolic_name = 1, /* dynamic attributes the driver supports */ @@ -5664,6 +6071,8 @@ struct fc_function_template lpfc_vport_transport_functions = { .show_host_supported_fc4s = 1, .show_host_supported_speeds = 1, .show_host_maxframe_size = 1, + + .get_host_symbolic_name = lpfc_get_host_symbolic_name, .show_host_symbolic_name = 1, /* dynamic attributes the driver supports */ @@ -5742,15 +6151,17 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) lpfc_fdmi_on_init(phba, lpfc_fdmi_on); lpfc_enable_SmartSAN_init(phba, lpfc_enable_SmartSAN); lpfc_use_msi_init(phba, lpfc_use_msi); + lpfc_nvme_oas_init(phba, lpfc_nvme_oas); lpfc_fcp_imax_init(phba, lpfc_fcp_imax); lpfc_fcp_cpu_map_init(phba, lpfc_fcp_cpu_map); - lpfc_fcp_io_channel_init(phba, lpfc_fcp_io_channel); lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset); lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat); + lpfc_EnableXLane_init(phba, lpfc_EnableXLane); if (phba->sli_rev != LPFC_SLI_REV4) phba->cfg_EnableXLane = 0; lpfc_XLanePriority_init(phba, lpfc_XLanePriority); + memset(phba->cfg_oas_tgt_wwpn, 0, (8 * sizeof(uint8_t))); memset(phba->cfg_oas_vpt_wwpn, 0, (8 * sizeof(uint8_t))); phba->cfg_oas_lun_state = 0; @@ -5764,11 +6175,49 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) phba->cfg_poll = 0; else phba->cfg_poll = lpfc_poll; + lpfc_suppress_rsp_init(phba, lpfc_suppress_rsp); + + lpfc_enable_fc4_type_init(phba, lpfc_enable_fc4_type); + lpfc_nvmet_mrq_init(phba, lpfc_nvmet_mrq); + lpfc_nvmet_mrq_post_init(phba, lpfc_nvmet_mrq_post); + + /* Initialize first burst. Target vs Initiator are different. */ + lpfc_nvme_enable_fb_init(phba, lpfc_nvme_enable_fb); + lpfc_nvmet_fb_size_init(phba, lpfc_nvmet_fb_size); + lpfc_fcp_io_channel_init(phba, lpfc_fcp_io_channel); + lpfc_nvme_io_channel_init(phba, lpfc_nvme_io_channel); + + if (phba->sli_rev != LPFC_SLI_REV4) { + /* NVME only supported on SLI4 */ + phba->nvmet_support = 0; + phba->cfg_enable_fc4_type = LPFC_ENABLE_FCP; + } else { + /* We MUST have FCP support */ + if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP)) + phba->cfg_enable_fc4_type |= LPFC_ENABLE_FCP; + } + + /* A value of 0 means use the number of CPUs found in the system */ + if (phba->cfg_fcp_io_channel == 0) + phba->cfg_fcp_io_channel = phba->sli4_hba.num_present_cpu; + if (phba->cfg_nvme_io_channel == 0) + phba->cfg_nvme_io_channel = phba->sli4_hba.num_present_cpu; + + if (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME) + phba->cfg_fcp_io_channel = 0; + + if (phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP) + phba->cfg_nvme_io_channel = 0; + + if (phba->cfg_fcp_io_channel > phba->cfg_nvme_io_channel) + phba->io_channel_irqs = phba->cfg_fcp_io_channel; + else + phba->io_channel_irqs = phba->cfg_nvme_io_channel; phba->cfg_soft_wwnn = 0L; phba->cfg_soft_wwpn = 0L; + lpfc_xri_split_init(phba, lpfc_xri_split); lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt); - lpfc_prot_sg_seg_cnt_init(phba, lpfc_prot_sg_seg_cnt); lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); lpfc_hba_log_verbose_init(phba, lpfc_log_verbose); lpfc_aer_support_init(phba, lpfc_aer_support); @@ -5784,6 +6233,60 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) } /** + * lpfc_nvme_mod_param_dep - Adjust module parameter value based on + * dependencies between protocols and roles. + * @phba: lpfc_hba pointer. + **/ +void +lpfc_nvme_mod_param_dep(struct lpfc_hba *phba) +{ + if (phba->cfg_nvme_io_channel > phba->sli4_hba.num_present_cpu) + phba->cfg_nvme_io_channel = phba->sli4_hba.num_present_cpu; + + if (phba->cfg_fcp_io_channel > phba->sli4_hba.num_present_cpu) + phba->cfg_fcp_io_channel = phba->sli4_hba.num_present_cpu; + + if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME && + phba->nvmet_support) { + phba->cfg_enable_fc4_type &= ~LPFC_ENABLE_FCP; + phba->cfg_fcp_io_channel = 0; + + lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, + "6013 %s x%x fb_size x%x, fb_max x%x\n", + "NVME Target PRLI ACC enable_fb ", + phba->cfg_nvme_enable_fb, + phba->cfg_nvmet_fb_size, + LPFC_NVMET_FB_SZ_MAX); + + if (phba->cfg_nvme_enable_fb == 0) + phba->cfg_nvmet_fb_size = 0; + else { + if (phba->cfg_nvmet_fb_size > LPFC_NVMET_FB_SZ_MAX) + phba->cfg_nvmet_fb_size = LPFC_NVMET_FB_SZ_MAX; + } + + /* Adjust lpfc_nvmet_mrq to avoid running out of WQE slots */ + if (phba->cfg_nvmet_mrq > phba->cfg_nvme_io_channel) { + phba->cfg_nvmet_mrq = phba->cfg_nvme_io_channel; + lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, + "6018 Adjust lpfc_nvmet_mrq to %d\n", + phba->cfg_nvmet_mrq); + } + } else { + /* Not NVME Target mode. Turn off Target parameters. */ + phba->nvmet_support = 0; + phba->cfg_nvmet_mrq = 0; + phba->cfg_nvmet_mrq_post = 0; + phba->cfg_nvmet_fb_size = 0; + } + + if (phba->cfg_fcp_io_channel > phba->cfg_nvme_io_channel) + phba->io_channel_irqs = phba->cfg_fcp_io_channel; + else + phba->io_channel_irqs = phba->cfg_nvme_io_channel; +} + +/** * lpfc_get_vport_cfgparam - Used during port create, init the vport structure * @vport: lpfc_vport pointer. **/ |