NVME Initiator: Base modifications This is part B of parts A..F. Part B is limited to lpfc_attr.c: lpfc attribute modifications ********* Refer to Part A for a description of base modifications Signed-off-by: Dick Kennedy <dick.kennedy@xxxxxxxxxxxx> Signed-off-by: James Smart <james.smart@xxxxxxxxxxxx> --- drivers/scsi/lpfc/lpfc_attr.c | 448 ++++++++++++++++++++++++++++++++++++++---- 1 file changed, 405 insertions(+), 43 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 50cf402..72949f5 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -35,14 +35,17 @@ #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_logmsg.h" #include "lpfc_version.h" #include "lpfc_compat.h" @@ -50,9 +53,9 @@ #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 /* * Write key size should be multiple of 4. If write key is changed @@ -130,6 +133,124 @@ 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 = (struct lpfc_vport *)shost->hostdata; + struct lpfc_hba *phba = vport->phba; + 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; + } + + 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 +796,28 @@ 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 +837,10 @@ 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 +860,24 @@ 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) @@ -1741,7 +1888,7 @@ lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \ if (lpfc_rangecheck(val, minval, maxval)) {\ lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ "3052 lpfc_" #attr " changed from %d to %d\n", \ - phba->cfg_##attr, val); \ + phba->cfg_##attr, val); \ phba->cfg_##attr = val;\ return 0;\ }\ @@ -1945,6 +2092,7 @@ 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); @@ -2817,8 +2965,11 @@ 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; + if (phba->sli_rev != LPFC_SLI_REV4) + return snprintf(buf, PAGE_SIZE, "%d\n", + phba->sli.sli3_ring[LPFC_ELS_RING].txq_max); return snprintf(buf, PAGE_SIZE, "%d\n", - phba->sli.ring[LPFC_ELS_RING].txq_max); + phba->sli4_hba.els_wq->pring->txq_max); } static DEVICE_ATTR(txq_hw, S_IRUGO, @@ -2830,8 +2981,11 @@ 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; + if (phba->sli_rev != LPFC_SLI_REV4) + return snprintf(buf, PAGE_SIZE, "%d\n", + phba->sli.sli3_ring[LPFC_ELS_RING].txcmplq_max); return snprintf(buf, PAGE_SIZE, "%d\n", - phba->sli.ring[LPFC_ELS_RING].txcmplq_max); + phba->sli4_hba.els_wq->pring->txcmplq_max); } static DEVICE_ATTR(txcmplq_hw, S_IRUGO, @@ -3030,6 +3184,41 @@ 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_enable_fc4_type: Defines what FC4 types are supported. + * Supported Values: 1 - register just FCP + * 2 - register just NVME + * 3 - register both FCP and NVME + * is [1,3]. Default value is 1 + */ +LPFC_ATTR_R(enable_fc4_type, LPFC_ENABLE_FCP, + 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 + * + * 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: @@ -3685,7 +3874,7 @@ lpfc_link_speed_store(struct device *dev, struct device_attribute *attr, uint32_t prev_val, if_type; if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); - if (if_type == LPFC_SLI_INTF_IF_TYPE_2 && + if ((if_type == LPFC_SLI_INTF_IF_TYPE_2) && phba->hba_flag & HBA_FORCED_LINK_SPEED) return -EPERM; @@ -4143,13 +4332,14 @@ 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; i += LPFC_MAX_EQ_DELAY) + lpfc_modify_hba_eq_delay(phba, i); return strlen(buf); } @@ -4187,7 +4377,8 @@ 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; } @@ -4377,6 +4568,17 @@ LPFC_VPORT_ATTR_RW(first_burst_size, 0, 0, 65536, "First burst size for Targets that support first burst"); /* +* lpfc_nvme_enable_fb: Enable NVME first burst on I and T functions. +* For the Initiator (I), enabling this parameter means that an NVME +* 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. +* 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 @@ -4423,17 +4625,25 @@ 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 @@ -4560,15 +4770,83 @@ 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 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 EQ/CQ IO channels + * + * 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_fcp_max_hw_queue: Set the number of IO hardware queues 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 active CPUs. + * 1,32 = Manually specify how many WQ IO queues to configure + * + * Value range is [0,32]. Default value is 4 + */ +LPFC_ATTR_R(fcp_max_hw_queue, LPFC_FCP_IO_CHAN_DEF, + LPFC_HBA_IO_CHAN_MIN, LPFC_HBA_IO_CHAN_MAX, + "Set the number of FCP I/O hardware queues"); + +/* + * lpfc_nvme_io_channel: Set the number of NVME EQ/CQ IO channels + * This module parameter is valid when lpfc_enable_fc4_type is set + * to support NVME. + * + * 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_nvme_max_hw_queue: 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. + * 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 active CPUs. + * 1,32 = Manually specify how many hardware IO queues to configure + * + * Value range is [0,32]. Default value is 0 + */ +LPFC_ATTR_R(nvme_max_hw_queue, LPFC_NVME_IO_CHAN_DEF, + LPFC_HBA_IO_CHAN_MIN, LPFC_HBA_IO_CHAN_MAX, + "Set the number of NVME I/O hardware queues"); + +/* + * lpfc_nvme_posted_buf - Initial number of NVME CMND IU buffers to + * post for the driver to use. + */ +LPFC_ATTR_R(nvme_posted_buf, LPFC_NVME_DEFAULT_POSTBUF, LPFC_NVME_MIN_POSTBUF, + LPFC_NVME_MAX_POSTBUF, "Initial NVME CMND IU buffers to allocate"); + +/* # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware. # 0 = HBA resets disabled # 1 = HBA resets enabled (default) @@ -4692,6 +4970,7 @@ LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_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, @@ -4718,6 +4997,8 @@ 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, @@ -4752,9 +5033,16 @@ 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_fcp_max_hw_queue, + &dev_attr_lpfc_suppress_rsp, + &dev_attr_lpfc_nvme_io_channel, + &dev_attr_lpfc_nvme_max_hw_queue, + &dev_attr_lpfc_nvme_posted_buf, + &dev_attr_lpfc_nvme_enable_fb, &dev_attr_lpfc_enable_bg, &dev_attr_lpfc_soft_wwnn, &dev_attr_lpfc_soft_wwpn, @@ -5764,15 +6052,17 @@ 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; @@ -5786,9 +6076,48 @@ 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); + + /* Initialize first burst. Target vs Initiator are different. */ + lpfc_nvme_enable_fb_init(phba, lpfc_nvme_enable_fb); + lpfc_fcp_io_channel_init(phba, lpfc_fcp_io_channel); + lpfc_fcp_max_hw_queue_init(phba, lpfc_fcp_max_hw_queue); + lpfc_nvme_io_channel_init(phba, lpfc_nvme_io_channel); + lpfc_nvme_max_hw_queue_init(phba, lpfc_nvme_max_hw_queue); + lpfc_nvme_posted_buf_init(phba, lpfc_nvme_posted_buf); + + /* NVME only supported on SLI4 */ + if (phba->sli_rev != LPFC_SLI_REV4) { + phba->nvmet_support = 0; + phba->cfg_enable_fc4_type &= ~LPFC_ENABLE_NVME; + } + + /* A value of 0 means use the number of CPUs found in the system */ + if (phba->cfg_nvme_io_channel == 0) + phba->cfg_nvme_io_channel = phba->sli4_hba.num_present_cpu; + if (phba->cfg_fcp_io_channel == 0) + phba->cfg_fcp_io_channel = phba->sli4_hba.num_present_cpu; + if (phba->cfg_fcp_max_hw_queue == 0) + phba->cfg_fcp_max_hw_queue = phba->sli4_hba.num_present_cpu; + if (phba->cfg_nvme_max_hw_queue == 0) + phba->cfg_nvme_max_hw_queue = phba->sli4_hba.num_present_cpu; + + if (phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP) + phba->cfg_nvme_io_channel = 0; + + if (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME) + phba->cfg_fcp_io_channel = 0; + + if (phba->cfg_fcp_io_channel > phba->cfg_nvme_io_channel) + phba->io_channel = phba->cfg_fcp_io_channel; + else + phba->io_channel = 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_hba_queue_depth_init(phba, lpfc_hba_queue_depth); lpfc_hba_log_verbose_init(phba, lpfc_log_verbose); @@ -5805,6 +6134,39 @@ 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) +{ + phba->nvmet_support = 0; + if (phba->cfg_nvme_max_hw_queue > phba->sli4_hba.num_present_cpu) + phba->cfg_nvme_max_hw_queue = phba->sli4_hba.num_present_cpu; + if (phba->cfg_fcp_max_hw_queue > phba->sli4_hba.num_present_cpu) + phba->cfg_fcp_max_hw_queue = phba->sli4_hba.num_present_cpu; + + /* Its a waste to have more IO channels then hdw queues */ + if ((phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) && + !phba->nvmet_support) { + if (phba->cfg_nvme_max_hw_queue < phba->cfg_nvme_io_channel) + phba->cfg_nvme_io_channel = phba->cfg_nvme_max_hw_queue; + } + + if ((phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) && + !phba->nvmet_support) { + if (phba->cfg_fcp_max_hw_queue < phba->cfg_fcp_io_channel) + phba->cfg_fcp_io_channel = phba->cfg_fcp_max_hw_queue; + } + + if (phba->cfg_fcp_io_channel > phba->cfg_nvme_io_channel) + phba->io_channel = phba->cfg_fcp_io_channel; + else + phba->io_channel = phba->cfg_nvme_io_channel; +} + +/** * lpfc_get_vport_cfgparam - Used during port create, init the vport structure * @vport: lpfc_vport pointer. **/ -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html