| /******************************************************************* |
| * 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.broadcom.com * |
| * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
| * * |
| * This program is free software; you can redistribute it and/or * |
| * modify it under the terms of version 2 of the GNU General * |
| * Public License as published by the Free Software Foundation. * |
| * This program is distributed in the hope that it will be useful. * |
| * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * |
| * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * |
| * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * |
| * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * |
| * TO BE LEGALLY INVALID. See the GNU General Public License for * |
| * more details, a copy of which can be found in the file COPYING * |
| * included with this package. * |
| *******************************************************************/ |
| |
| #include <linux/ctype.h> |
| #include <linux/delay.h> |
| #include <linux/pci.h> |
| #include <linux/interrupt.h> |
| #include <linux/module.h> |
| #include <linux/aer.h> |
| #include <linux/gfp.h> |
| #include <linux/kernel.h> |
| |
| #include <scsi/scsi.h> |
| #include <scsi/scsi_device.h> |
| #include <scsi/scsi_host.h> |
| #include <scsi/scsi_tcq.h> |
| #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.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" |
| #include "lpfc_crtn.h" |
| #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_MRQ_POST 512 |
| #define LPFC_MIN_MRQ_POST 512 |
| #define LPFC_MAX_MRQ_POST 2048 |
| |
| /* |
| * Write key size should be multiple of 4. If write key is changed |
| * make sure that library write key is also changed. |
| */ |
| #define LPFC_REG_WRITE_KEY_SIZE 4 |
| #define LPFC_REG_WRITE_KEY "EMLX" |
| |
| /** |
| * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules |
| * @incr: integer to convert. |
| * @hdw: ascii string holding converted integer plus a string terminator. |
| * |
| * Description: |
| * JEDEC Joint Electron Device Engineering Council. |
| * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii |
| * character string. The string is then terminated with a NULL in byte 9. |
| * Hex 0-9 becomes ascii '0' to '9'. |
| * Hex a-f becomes ascii '=' to 'B' capital B. |
| * |
| * Notes: |
| * Coded for 32 bit integers only. |
| **/ |
| static void |
| lpfc_jedec_to_ascii(int incr, char hdw[]) |
| { |
| int i, j; |
| for (i = 0; i < 8; i++) { |
| j = (incr & 0xf); |
| if (j <= 9) |
| hdw[7 - i] = 0x30 + j; |
| else |
| hdw[7 - i] = 0x61 + j - 10; |
| incr = (incr >> 4); |
| } |
| hdw[8] = 0; |
| return; |
| } |
| |
| /** |
| * lpfc_drvr_version_show - Return the Emulex driver string with version number |
| * @dev: class unused variable. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the module description text. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr, |
| char *buf) |
| { |
| return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n"); |
| } |
| |
| /** |
| * lpfc_enable_fip_show - Return the fip mode of the HBA |
| * @dev: class unused variable. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the module description text. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_enable_fip_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; |
| |
| if (phba->hba_flag & HBA_FIP_SUPPORT) |
| return snprintf(buf, PAGE_SIZE, "1\n"); |
| else |
| return snprintf(buf, PAGE_SIZE, "0\n"); |
| } |
| |
| 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_nodelist *ndlp; |
| struct nvme_fc_remote_port *nrport; |
| uint64_t data1, data2, data3, tot; |
| 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 - len, |
| "\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 Defer %08x Release %08x " |
| "Drop %08x\n", |
| atomic_read(&tgtp->rcv_fcp_cmd_in), |
| atomic_read(&tgtp->rcv_fcp_cmd_defer), |
| atomic_read(&tgtp->xmt_fcp_release), |
| 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 " |
| "drop %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), |
| 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 Cmpl %08x\n", |
| atomic_read(&tgtp->xmt_fcp_abort), |
| atomic_read(&tgtp->xmt_fcp_abort_cmpl)); |
| |
| len += snprintf(buf + len, PAGE_SIZE - len, |
| "ABORT: Sol %08x Usol %08x Err %08x Cmpl %08x", |
| atomic_read(&tgtp->xmt_abort_sol), |
| atomic_read(&tgtp->xmt_abort_unsol), |
| atomic_read(&tgtp->xmt_abort_rsp), |
| atomic_read(&tgtp->xmt_abort_rsp_error)); |
| |
| /* Calculate outstanding IOs */ |
| tot = atomic_read(&tgtp->rcv_fcp_cmd_drop); |
| tot += atomic_read(&tgtp->xmt_fcp_release); |
| tot = atomic_read(&tgtp->rcv_fcp_cmd_in) - tot; |
| |
| len += snprintf(buf + len, PAGE_SIZE - len, |
| "IO_CTX: %08x WAIT: cur %08x tot %08x\n" |
| "CTX Outstanding %08llx\n", |
| phba->sli4_hba.nvmet_xri_cnt, |
| phba->sli4_hba.nvmet_io_wait_cnt, |
| phba->sli4_hba.nvmet_io_wait_total, |
| tot); |
| |
| 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); |
| |
| /* 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(ndlp, &vport->fc_nodes, nlp_listp) { |
| if (!ndlp->nrport) |
| continue; |
| |
| /* local short-hand pointer. */ |
| nrport = ndlp->nrport->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); |
| |
| /* An NVME rport can have multiple roles. */ |
| if (nrport->port_role & FC_PORT_ROLE_NVME_INITIATOR) |
| len += snprintf(buf + len, PAGE_SIZE - len, |
| "INITIATOR "); |
| if (nrport->port_role & FC_PORT_ROLE_NVME_TARGET) |
| len += snprintf(buf + len, PAGE_SIZE - len, |
| "TARGET "); |
| if (nrport->port_role & FC_PORT_ROLE_NVME_DISCOVERY) |
| len += snprintf(buf + len, PAGE_SIZE - len, |
| "DISCSRVC "); |
| if (nrport->port_role & ~(FC_PORT_ROLE_NVME_INITIATOR | |
| FC_PORT_ROLE_NVME_TARGET | |
| FC_PORT_ROLE_NVME_DISCOVERY)) |
| len += snprintf(buf + len, PAGE_SIZE - len, |
| "UNKNOWN ROLE x%x", |
| nrport->port_role); |
| |
| 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 - len, "\nNVME Statistics\n"); |
| len += snprintf(buf+len, PAGE_SIZE-len, |
| "LS: Xmt %016x Cmpl %016x\n", |
| atomic_read(&phba->fc4NvmeLsRequests), |
| atomic_read(&phba->fc4NvmeLsCmpls)); |
| |
| tot = atomic_read(&phba->fc4NvmeIoCmpls); |
| data1 = atomic_read(&phba->fc4NvmeInputRequests); |
| data2 = atomic_read(&phba->fc4NvmeOutputRequests); |
| data3 = atomic_read(&phba->fc4NvmeControlRequests); |
| len += snprintf(buf+len, PAGE_SIZE-len, |
| "FCP: Rd %016llx Wr %016llx IO %016llx\n", |
| data1, data2, data3); |
| |
| len += snprintf(buf+len, PAGE_SIZE-len, |
| " Cmpl %016llx Outstanding %016llx\n", |
| tot, (data1 + data2 + data3) - tot); |
| return len; |
| } |
| |
| static ssize_t |
| lpfc_bg_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; |
| |
| if (phba->cfg_enable_bg) |
| if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) |
| return snprintf(buf, PAGE_SIZE, "BlockGuard Enabled\n"); |
| else |
| return snprintf(buf, PAGE_SIZE, |
| "BlockGuard Not Supported\n"); |
| else |
| return snprintf(buf, PAGE_SIZE, |
| "BlockGuard Disabled\n"); |
| } |
| |
| static ssize_t |
| lpfc_bg_guard_err_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; |
| |
| return snprintf(buf, PAGE_SIZE, "%llu\n", |
| (unsigned long long)phba->bg_guard_err_cnt); |
| } |
| |
| static ssize_t |
| lpfc_bg_apptag_err_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; |
| |
| return snprintf(buf, PAGE_SIZE, "%llu\n", |
| (unsigned long long)phba->bg_apptag_err_cnt); |
| } |
| |
| static ssize_t |
| lpfc_bg_reftag_err_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; |
| |
| return snprintf(buf, PAGE_SIZE, "%llu\n", |
| (unsigned long long)phba->bg_reftag_err_cnt); |
| } |
| |
| /** |
| * lpfc_info_show - Return some pci info about the host in ascii |
| * @dev: class converted to a Scsi_host structure. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the formatted text from lpfc_info(). |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_info_show(struct device *dev, struct device_attribute *attr, |
| char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(dev); |
| |
| return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host)); |
| } |
| |
| /** |
| * lpfc_serialnum_show - Return the hba serial number in ascii |
| * @dev: class converted to a Scsi_host structure. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the formatted text serial number. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_serialnum_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; |
| |
| return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber); |
| } |
| |
| /** |
| * lpfc_temp_sensor_show - Return the temperature sensor level |
| * @dev: class converted to a Scsi_host structure. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the formatted support level. |
| * |
| * Description: |
| * Returns a number indicating the temperature sensor level currently |
| * supported, zero or one in ascii. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_temp_sensor_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; |
| return snprintf(buf, PAGE_SIZE, "%d\n",phba->temp_sensor_support); |
| } |
| |
| /** |
| * lpfc_modeldesc_show - Return the model description of the hba |
| * @dev: class converted to a Scsi_host structure. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the scsi vpd model description. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_modeldesc_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; |
| |
| return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc); |
| } |
| |
| /** |
| * lpfc_modelname_show - Return the model name of the hba |
| * @dev: class converted to a Scsi_host structure. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the scsi vpd model name. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_modelname_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; |
| |
| return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName); |
| } |
| |
| /** |
| * lpfc_programtype_show - Return the program type of the hba |
| * @dev: class converted to a Scsi_host structure. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the scsi vpd program type. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_programtype_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; |
| |
| return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType); |
| } |
| |
| /** |
| * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag |
| * @dev: class converted to a Scsi_host structure. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the Menlo Maintenance sli flag. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_mlomgmt_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; |
| |
| return snprintf(buf, PAGE_SIZE, "%d\n", |
| (phba->sli.sli_flag & LPFC_MENLO_MAINT)); |
| } |
| |
| /** |
| * lpfc_vportnum_show - Return the port number in ascii of the hba |
| * @dev: class converted to a Scsi_host structure. |
| * @attr: device attribute, not used. |
| * @buf: on return contains scsi vpd program type. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_vportnum_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; |
| |
| return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port); |
| } |
| |
| /** |
| * lpfc_fwrev_show - Return the firmware rev running in the hba |
| * @dev: class converted to a Scsi_host structure. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the scsi vpd program type. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_fwrev_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; |
| uint32_t if_type; |
| uint8_t sli_family; |
| char fwrev[FW_REV_STR_SIZE]; |
| int len; |
| |
| lpfc_decode_firmware_rev(phba, fwrev, 1); |
| if_type = phba->sli4_hba.pc_sli4_params.if_type; |
| sli_family = phba->sli4_hba.pc_sli4_params.sli_family; |
| |
| if (phba->sli_rev < LPFC_SLI_REV4) |
| len = snprintf(buf, PAGE_SIZE, "%s, sli-%d\n", |
| fwrev, phba->sli_rev); |
| else |
| len = snprintf(buf, PAGE_SIZE, "%s, sli-%d:%d:%x\n", |
| fwrev, phba->sli_rev, if_type, sli_family); |
| |
| return len; |
| } |
| |
| /** |
| * lpfc_hdw_show - Return the jedec information about the hba |
| * @dev: class converted to a Scsi_host structure. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the scsi vpd program type. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf) |
| { |
| char hdw[9]; |
| struct Scsi_Host *shost = class_to_shost(dev); |
| struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
| struct lpfc_hba *phba = vport->phba; |
| lpfc_vpd_t *vp = &phba->vpd; |
| |
| lpfc_jedec_to_ascii(vp->rev.biuRev, hdw); |
| return snprintf(buf, PAGE_SIZE, "%s\n", hdw); |
| } |
| |
| /** |
| * lpfc_option_rom_version_show - Return the adapter ROM FCode version |
| * @dev: class converted to a Scsi_host structure. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the ROM and FCode ascii strings. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_option_rom_version_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; |
| char fwrev[FW_REV_STR_SIZE]; |
| |
| if (phba->sli_rev < LPFC_SLI_REV4) |
| return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion); |
| |
| lpfc_decode_firmware_rev(phba, fwrev, 1); |
| return snprintf(buf, PAGE_SIZE, "%s\n", fwrev); |
| } |
| |
| /** |
| * lpfc_state_show - Return the link state of the port |
| * @dev: class converted to a Scsi_host structure. |
| * @attr: device attribute, not used. |
| * @buf: on return contains text describing the state of the link. |
| * |
| * Notes: |
| * The switch statement has no default so zero will be returned. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_link_state_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; |
| int len = 0; |
| |
| switch (phba->link_state) { |
| case LPFC_LINK_UNKNOWN: |
| case LPFC_WARM_START: |
| case LPFC_INIT_START: |
| case LPFC_INIT_MBX_CMDS: |
| case LPFC_LINK_DOWN: |
| case LPFC_HBA_ERROR: |
| if (phba->hba_flag & LINK_DISABLED) |
| len += snprintf(buf + len, PAGE_SIZE-len, |
| "Link Down - User disabled\n"); |
| else |
| len += snprintf(buf + len, PAGE_SIZE-len, |
| "Link Down\n"); |
| break; |
| case LPFC_LINK_UP: |
| case LPFC_CLEAR_LA: |
| case LPFC_HBA_READY: |
| len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - "); |
| |
| switch (vport->port_state) { |
| case LPFC_LOCAL_CFG_LINK: |
| len += snprintf(buf + len, PAGE_SIZE-len, |
| "Configuring Link\n"); |
| break; |
| case LPFC_FDISC: |
| case LPFC_FLOGI: |
| case LPFC_FABRIC_CFG_LINK: |
| case LPFC_NS_REG: |
| case LPFC_NS_QRY: |
| case LPFC_BUILD_DISC_LIST: |
| case LPFC_DISC_AUTH: |
| len += snprintf(buf + len, PAGE_SIZE - len, |
| "Discovery\n"); |
| break; |
| case LPFC_VPORT_READY: |
| len += snprintf(buf + len, PAGE_SIZE - len, "Ready\n"); |
| break; |
| |
| case LPFC_VPORT_FAILED: |
| len += snprintf(buf + len, PAGE_SIZE - len, "Failed\n"); |
| break; |
| |
| case LPFC_VPORT_UNKNOWN: |
| len += snprintf(buf + len, PAGE_SIZE - len, |
| "Unknown\n"); |
| break; |
| } |
| if (phba->sli.sli_flag & LPFC_MENLO_MAINT) |
| len += snprintf(buf + len, PAGE_SIZE-len, |
| " Menlo Maint Mode\n"); |
| else if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
| if (vport->fc_flag & FC_PUBLIC_LOOP) |
| len += snprintf(buf + len, PAGE_SIZE-len, |
| " Public Loop\n"); |
| else |
| len += snprintf(buf + len, PAGE_SIZE-len, |
| " Private Loop\n"); |
| } else { |
| if (vport->fc_flag & FC_FABRIC) |
| len += snprintf(buf + len, PAGE_SIZE-len, |
| " Fabric\n"); |
| else |
| len += snprintf(buf + len, PAGE_SIZE-len, |
| " Point-2-Point\n"); |
| } |
| } |
| |
| return len; |
| } |
| |
| /** |
| * lpfc_sli4_protocol_show - Return the fip mode of the HBA |
| * @dev: class unused variable. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the module description text. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_sli4_protocol_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; |
| |
| if (phba->sli_rev < LPFC_SLI_REV4) |
| return snprintf(buf, PAGE_SIZE, "fc\n"); |
| |
| if (phba->sli4_hba.lnk_info.lnk_dv == LPFC_LNK_DAT_VAL) { |
| if (phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_GE) |
| return snprintf(buf, PAGE_SIZE, "fcoe\n"); |
| if (phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC) |
| return snprintf(buf, PAGE_SIZE, "fc\n"); |
| } |
| return snprintf(buf, PAGE_SIZE, "unknown\n"); |
| } |
| |
| /** |
| * lpfc_oas_supported_show - Return whether or not Optimized Access Storage |
| * (OAS) is supported. |
| * @dev: class unused variable. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the module description text. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_oas_supported_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; |
| |
| return snprintf(buf, PAGE_SIZE, "%d\n", |
| phba->sli4_hba.pc_sli4_params.oas_supported); |
| } |
| |
| /** |
| * lpfc_link_state_store - Transition the link_state on an HBA port |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: one or more lpfc_polling_flags values. |
| * @count: not used. |
| * |
| * Returns: |
| * -EINVAL if the buffer is not "up" or "down" |
| * return from link state change function if non-zero |
| * length of the buf on success |
| **/ |
| static ssize_t |
| lpfc_link_state_store(struct device *dev, struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct Scsi_Host *shost = class_to_shost(dev); |
| struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
| struct lpfc_hba *phba = vport->phba; |
| |
| int status = -EINVAL; |
| |
| if ((strncmp(buf, "up", sizeof("up") - 1) == 0) && |
| (phba->link_state == LPFC_LINK_DOWN)) |
| status = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); |
| else if ((strncmp(buf, "down", sizeof("down") - 1) == 0) && |
| (phba->link_state >= LPFC_LINK_UP)) |
| status = phba->lpfc_hba_down_link(phba, MBX_NOWAIT); |
| |
| if (status == 0) |
| return strlen(buf); |
| else |
| return status; |
| } |
| |
| /** |
| * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the sum of fc mapped and unmapped. |
| * |
| * Description: |
| * Returns the ascii text number of the sum of the fc mapped and unmapped |
| * vport counts. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_num_discovered_ports_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; |
| |
| return snprintf(buf, PAGE_SIZE, "%d\n", |
| vport->fc_map_cnt + vport->fc_unmap_cnt); |
| } |
| |
| /** |
| * lpfc_issue_lip - Misnomer, name carried over from long ago |
| * @shost: Scsi_Host pointer. |
| * |
| * Description: |
| * Bring the link down gracefully then re-init the link. The firmware will |
| * re-init the fiber channel interface as required. Does not issue a LIP. |
| * |
| * Returns: |
| * -EPERM port offline or management commands are being blocked |
| * -ENOMEM cannot allocate memory for the mailbox command |
| * -EIO error sending the mailbox command |
| * zero for success |
| **/ |
| static int |
| lpfc_issue_lip(struct Scsi_Host *shost) |
| { |
| struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
| struct lpfc_hba *phba = vport->phba; |
| LPFC_MBOXQ_t *pmboxq; |
| int mbxstatus = MBXERR_ERROR; |
| |
| if ((vport->fc_flag & FC_OFFLINE_MODE) || |
| (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)) |
| return -EPERM; |
| |
| pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); |
| |
| if (!pmboxq) |
| return -ENOMEM; |
| |
| memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
| pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK; |
| pmboxq->u.mb.mbxOwner = OWN_HOST; |
| |
| mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2); |
| |
| if ((mbxstatus == MBX_SUCCESS) && |
| (pmboxq->u.mb.mbxStatus == 0 || |
| pmboxq->u.mb.mbxStatus == MBXERR_LINK_DOWN)) { |
| memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
| lpfc_init_link(phba, pmboxq, phba->cfg_topology, |
| phba->cfg_link_speed); |
| mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, |
| phba->fc_ratov * 2); |
| if ((mbxstatus == MBX_SUCCESS) && |
| (pmboxq->u.mb.mbxStatus == MBXERR_SEC_NO_PERMISSION)) |
| lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
| "2859 SLI authentication is required " |
| "for INIT_LINK but has not done yet\n"); |
| } |
| |
| lpfc_set_loopback_flag(phba); |
| if (mbxstatus != MBX_TIMEOUT) |
| mempool_free(pmboxq, phba->mbox_mem_pool); |
| |
| if (mbxstatus == MBXERR_ERROR) |
| return -EIO; |
| |
| 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. |
| * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL. |
| * |
| * Notes: |
| * Assumes any error from lpfc_do_offline() will be negative. |
| * Can wait up to 5 seconds for the port ring buffers count |
| * to reach zero, prints a warning if it is not zero and continues. |
| * lpfc_workq_post_event() returns a non-zero return code if call fails. |
| * |
| * Returns: |
| * -EIO error posting the event |
| * zero for success |
| **/ |
| 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 i; |
| int rc; |
| |
| init_completion(&online_compl); |
| rc = lpfc_workq_post_event(phba, &status, &online_compl, |
| LPFC_EVT_OFFLINE_PREP); |
| if (rc == 0) |
| return -ENOMEM; |
| |
| wait_for_completion(&online_compl); |
| |
| if (status != 0) |
| return -EIO; |
| |
| psli = &phba->sli; |
| |
| /* Wait a little for things to settle down, but not |
| * long enough for dev loss timeout to expire. |
| */ |
| 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) |
| return -ENOMEM; |
| |
| wait_for_completion(&online_compl); |
| |
| if (status != 0) |
| return -EIO; |
| |
| return 0; |
| } |
| |
| /** |
| * lpfc_selective_reset - Offline then onlines the port |
| * @phba: lpfc_hba pointer. |
| * |
| * Description: |
| * If the port is configured to allow a reset then the hba is brought |
| * offline then online. |
| * |
| * Notes: |
| * Assumes any error from lpfc_do_offline() will be negative. |
| * Do not make this function static. |
| * |
| * Returns: |
| * lpfc_do_offline() return code if not zero |
| * -EIO reset not configured or error posting the event |
| * zero for success |
| **/ |
| int |
| lpfc_selective_reset(struct lpfc_hba *phba) |
| { |
| struct completion online_compl; |
| int status = 0; |
| int rc; |
| |
| if (!phba->cfg_enable_hba_reset) |
| return -EACCES; |
| |
| if (!(phba->pport->fc_flag & FC_OFFLINE_MODE)) { |
| status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
| |
| if (status != 0) |
| return status; |
| } |
| |
| init_completion(&online_compl); |
| rc = lpfc_workq_post_event(phba, &status, &online_compl, |
| LPFC_EVT_ONLINE); |
| if (rc == 0) |
| return -ENOMEM; |
| |
| wait_for_completion(&online_compl); |
| |
| if (status != 0) |
| return -EIO; |
| |
| return 0; |
| } |
| |
| /** |
| * lpfc_issue_reset - Selectively resets an adapter |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: containing the string "selective". |
| * @count: unused variable. |
| * |
| * Description: |
| * If the buf contains the string "selective" then lpfc_selective_reset() |
| * is called to perform the reset. |
| * |
| * Notes: |
| * Assumes any error from lpfc_selective_reset() will be negative. |
| * If lpfc_selective_reset() returns zero then the length of the buffer |
| * is returned which indicates success |
| * |
| * Returns: |
| * -EINVAL if the buffer does not contain the string "selective" |
| * length of buf if lpfc-selective_reset() if the call succeeds |
| * return value of lpfc_selective_reset() if the call fails |
| **/ |
| static ssize_t |
| lpfc_issue_reset(struct device *dev, struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct Scsi_Host *shost = class_to_shost(dev); |
| struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
| struct lpfc_hba *phba = vport->phba; |
| int status = -EINVAL; |
| |
| if (!phba->cfg_enable_hba_reset) |
| return -EACCES; |
| |
| if (strncmp(buf, "selective", sizeof("selective") - 1) == 0) |
| status = phba->lpfc_selective_reset(phba); |
| |
| if (status == 0) |
| return strlen(buf); |
| else |
| return status; |
| } |
| |
| /** |
| * lpfc_sli4_pdev_status_reg_wait - Wait for pdev status register for readyness |
| * @phba: lpfc_hba pointer. |
| * |
| * Description: |
| * SLI4 interface type-2 device to wait on the sliport status register for |
| * the readyness after performing a firmware reset. |
| * |
| * Returns: |
| * zero for success, -EPERM when port does not have privilege to perform the |
| * reset, -EIO when port timeout from recovering from the reset. |
| * |
| * Note: |
| * As the caller will interpret the return code by value, be careful in making |
| * change or addition to return codes. |
| **/ |
| int |
| lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *phba) |
| { |
| struct lpfc_register portstat_reg = {0}; |
| int i; |
| |
| msleep(100); |
| lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, |
| &portstat_reg.word0); |
| |
| /* verify if privileged for the request operation */ |
| if (!bf_get(lpfc_sliport_status_rn, &portstat_reg) && |
| !bf_get(lpfc_sliport_status_err, &portstat_reg)) |
| return -EPERM; |
| |
| /* wait for the SLI port firmware ready after firmware reset */ |
| for (i = 0; i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT; i++) { |
| msleep(10); |
| lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, |
| &portstat_reg.word0); |
| if (!bf_get(lpfc_sliport_status_err, &portstat_reg)) |
| continue; |
| if (!bf_get(lpfc_sliport_status_rn, &portstat_reg)) |
| continue; |
| if (!bf_get(lpfc_sliport_status_rdy, &portstat_reg)) |
| continue; |
| break; |
| } |
| |
| if (i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT) |
| return 0; |
| else |
| return -EIO; |
| } |
| |
| /** |
| * lpfc_sli4_pdev_reg_request - Request physical dev to perform a register acc |
| * @phba: lpfc_hba pointer. |
| * |
| * Description: |
| * Request SLI4 interface type-2 device to perform a physical register set |
| * access. |
| * |
| * Returns: |
| * zero for success |
| **/ |
| static ssize_t |
| lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode) |
| { |
| struct completion online_compl; |
| struct pci_dev *pdev = phba->pcidev; |
| uint32_t before_fc_flag; |
| uint32_t sriov_nr_virtfn; |
| uint32_t reg_val; |
| int status = 0, rc = 0; |
| int job_posted = 1, sriov_err; |
| |
| if (!phba->cfg_enable_hba_reset) |
| return -EACCES; |
| |
| if ((phba->sli_rev < LPFC_SLI_REV4) || |
| (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != |
| LPFC_SLI_INTF_IF_TYPE_2)) |
| return -EPERM; |
| |
| /* Keep state if we need to restore back */ |
| before_fc_flag = phba->pport->fc_flag; |
| sriov_nr_virtfn = phba->cfg_sriov_nr_virtfn; |
| |
| /* Disable SR-IOV virtual functions if enabled */ |
| if (phba->cfg_sriov_nr_virtfn) { |
| pci_disable_sriov(pdev); |
| phba->cfg_sriov_nr_virtfn = 0; |
| } |
| |
| if (opcode == LPFC_FW_DUMP) |
| phba->hba_flag |= HBA_FW_DUMP_OP; |
| |
| status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
| |
| if (status != 0) { |
| phba->hba_flag &= ~HBA_FW_DUMP_OP; |
| return status; |
| } |
| |
| /* wait for the device to be quiesced before firmware reset */ |
| msleep(100); |
| |
| reg_val = readl(phba->sli4_hba.conf_regs_memmap_p + |
| LPFC_CTL_PDEV_CTL_OFFSET); |
| |
| if (opcode == LPFC_FW_DUMP) |
| reg_val |= LPFC_FW_DUMP_REQUEST; |
| else if (opcode == LPFC_FW_RESET) |
| reg_val |= LPFC_CTL_PDEV_CTL_FRST; |
| else if (opcode == LPFC_DV_RESET) |
| reg_val |= LPFC_CTL_PDEV_CTL_DRST; |
| |
| writel(reg_val, phba->sli4_hba.conf_regs_memmap_p + |
| LPFC_CTL_PDEV_CTL_OFFSET); |
| /* flush */ |
| readl(phba->sli4_hba.conf_regs_memmap_p + LPFC_CTL_PDEV_CTL_OFFSET); |
| |
| /* delay driver action following IF_TYPE_2 reset */ |
| rc = lpfc_sli4_pdev_status_reg_wait(phba); |
| |
| if (rc == -EPERM) { |
| /* no privilege for reset */ |
| lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
| "3150 No privilege to perform the requested " |
| "access: x%x\n", reg_val); |
| } else if (rc == -EIO) { |
| /* reset failed, there is nothing more we can do */ |
| lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
| "3153 Fail to perform the requested " |
| "access: x%x\n", reg_val); |
| return rc; |
| } |
| |
| /* keep the original port state */ |
| if (before_fc_flag & FC_OFFLINE_MODE) |
| goto out; |
| |
| init_completion(&online_compl); |
| job_posted = lpfc_workq_post_event(phba, &status, &online_compl, |
| LPFC_EVT_ONLINE); |
| if (!job_posted) |
| goto out; |
| |
| wait_for_completion(&online_compl); |
| |
| out: |
| /* in any case, restore the virtual functions enabled as before */ |
| if (sriov_nr_virtfn) { |
| sriov_err = |
| lpfc_sli_probe_sriov_nr_virtfn(phba, sriov_nr_virtfn); |
| if (!sriov_err) |
| phba->cfg_sriov_nr_virtfn = sriov_nr_virtfn; |
| } |
| |
| /* return proper error code */ |
| if (!rc) { |
| if (!job_posted) |
| rc = -ENOMEM; |
| else if (status) |
| rc = -EIO; |
| } |
| return rc; |
| } |
| |
| /** |
| * lpfc_nport_evt_cnt_show - Return the number of nport events |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the ascii number of nport events. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_nport_evt_cnt_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; |
| |
| return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); |
| } |
| |
| /** |
| * lpfc_board_mode_show - Return the state of the board |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the state of the adapter. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_board_mode_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; |
| char * state; |
| |
| if (phba->link_state == LPFC_HBA_ERROR) |
| state = "error"; |
| else if (phba->link_state == LPFC_WARM_START) |
| state = "warm start"; |
| else if (phba->link_state == LPFC_INIT_START) |
| state = "offline"; |
| else |
| state = "online"; |
| |
| return snprintf(buf, PAGE_SIZE, "%s\n", state); |
| } |
| |
| /** |
| * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: containing one of the strings "online", "offline", "warm" or "error". |
| * @count: unused variable. |
| * |
| * Returns: |
| * -EACCES if enable hba reset not enabled |
| * -EINVAL if the buffer does not contain a valid string (see above) |
| * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails |
| * buf length greater than zero indicates success |
| **/ |
| static ssize_t |
| lpfc_board_mode_store(struct device *dev, struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct Scsi_Host *shost = class_to_shost(dev); |
| struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
| struct lpfc_hba *phba = vport->phba; |
| struct completion online_compl; |
| char *board_mode_str = NULL; |
| int status = 0; |
| int rc; |
| |
| if (!phba->cfg_enable_hba_reset) { |
| status = -EACCES; |
| goto board_mode_out; |
| } |
| |
| lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
| "3050 lpfc_board_mode set to %s\n", buf); |
| |
| init_completion(&online_compl); |
| |
| if(strncmp(buf, "online", sizeof("online") - 1) == 0) { |
| rc = lpfc_workq_post_event(phba, &status, &online_compl, |
| LPFC_EVT_ONLINE); |
| if (rc == 0) { |
| status = -ENOMEM; |
| goto board_mode_out; |
| } |
| wait_for_completion(&online_compl); |
| if (status) |
| status = -EIO; |
| } else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0) |
| status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
| else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0) |
| if (phba->sli_rev == LPFC_SLI_REV4) |
| status = -EINVAL; |
| else |
| status = lpfc_do_offline(phba, LPFC_EVT_WARM_START); |
| else if (strncmp(buf, "error", sizeof("error") - 1) == 0) |
| if (phba->sli_rev == LPFC_SLI_REV4) |
| status = -EINVAL; |
| else |
| status = lpfc_do_offline(phba, LPFC_EVT_KILL); |
| else if (strncmp(buf, "dump", sizeof("dump") - 1) == 0) |
| status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_DUMP); |
| else if (strncmp(buf, "fw_reset", sizeof("fw_reset") - 1) == 0) |
| status = lpfc_sli4_pdev_reg_request(phba, LPFC_FW_RESET); |
| else if (strncmp(buf, "dv_reset", sizeof("dv_reset") - 1) == 0) |
| status = lpfc_sli4_pdev_reg_request(phba, LPFC_DV_RESET); |
| else |
| status = -EINVAL; |
| |
| board_mode_out: |
| if (!status) |
| return strlen(buf); |
| else { |
| board_mode_str = strchr(buf, '\n'); |
| if (board_mode_str) |
| *board_mode_str = '\0'; |
| lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
| "3097 Failed \"%s\", status(%d), " |
| "fc_flag(x%x)\n", |
| buf, status, phba->pport->fc_flag); |
| return status; |
| } |
| } |
| |
| /** |
| * lpfc_get_hba_info - Return various bits of informaton about the adapter |
| * @phba: pointer to the adapter structure. |
| * @mxri: max xri count. |
| * @axri: available xri count. |
| * @mrpi: max rpi count. |
| * @arpi: available rpi count. |
| * @mvpi: max vpi count. |
| * @avpi: available vpi count. |
| * |
| * Description: |
| * If an integer pointer for an count is not null then the value for the |
| * count is returned. |
| * |
| * Returns: |
| * zero on error |
| * one for success |
| **/ |
| static int |
| lpfc_get_hba_info(struct lpfc_hba *phba, |
| uint32_t *mxri, uint32_t *axri, |
| uint32_t *mrpi, uint32_t *arpi, |
| uint32_t *mvpi, uint32_t *avpi) |
| { |
| struct lpfc_mbx_read_config *rd_config; |
| LPFC_MBOXQ_t *pmboxq; |
| MAILBOX_t *pmb; |
| int rc = 0; |
| uint32_t max_vpi; |
| |
| /* |
| * prevent udev from issuing mailbox commands until the port is |
| * configured. |
| */ |
| if (phba->link_state < LPFC_LINK_DOWN || |
| !phba->mbox_mem_pool || |
| (phba->sli.sli_flag & LPFC_SLI_ACTIVE) == 0) |
| return 0; |
| |
| if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) |
| return 0; |
| |
| pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| if (!pmboxq) |
| return 0; |
| memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
| |
| pmb = &pmboxq->u.mb; |
| pmb->mbxCommand = MBX_READ_CONFIG; |
| pmb->mbxOwner = OWN_HOST; |
| pmboxq->context1 = NULL; |
| |
| if (phba->pport->fc_flag & FC_OFFLINE_MODE) |
| rc = MBX_NOT_FINISHED; |
| else |
| rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
| |
| if (rc != MBX_SUCCESS) { |
| if (rc != MBX_TIMEOUT) |
| mempool_free(pmboxq, phba->mbox_mem_pool); |
| return 0; |
| } |
| |
| if (phba->sli_rev == LPFC_SLI_REV4) { |
| rd_config = &pmboxq->u.mqe.un.rd_config; |
| if (mrpi) |
| *mrpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config); |
| if (arpi) |
| *arpi = bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config) - |
| phba->sli4_hba.max_cfg_param.rpi_used; |
| if (mxri) |
| *mxri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config); |
| if (axri) |
| *axri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config) - |
| phba->sli4_hba.max_cfg_param.xri_used; |
| |
| /* Account for differences with SLI-3. Get vpi count from |
| * mailbox data and subtract one for max vpi value. |
| */ |
| max_vpi = (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) > 0) ? |
| (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) - 1) : 0; |
| |
| if (mvpi) |
| *mvpi = max_vpi; |
| if (avpi) |
| *avpi = max_vpi - phba->sli4_hba.max_cfg_param.vpi_used; |
| } else { |
| if (mrpi) |
| *mrpi = pmb->un.varRdConfig.max_rpi; |
| if (arpi) |
| *arpi = pmb->un.varRdConfig.avail_rpi; |
| if (mxri) |
| *mxri = pmb->un.varRdConfig.max_xri; |
| if (axri) |
| *axri = pmb->un.varRdConfig.avail_xri; |
| if (mvpi) |
| *mvpi = pmb->un.varRdConfig.max_vpi; |
| if (avpi) |
| *avpi = pmb->un.varRdConfig.avail_vpi; |
| } |
| |
| mempool_free(pmboxq, phba->mbox_mem_pool); |
| return 1; |
| } |
| |
| /** |
| * lpfc_max_rpi_show - Return maximum rpi |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the maximum rpi count in decimal or "Unknown". |
| * |
| * Description: |
| * Calls lpfc_get_hba_info() asking for just the mrpi count. |
| * If lpfc_get_hba_info() returns zero (failure) the buffer text is set |
| * to "Unknown" and the buffer length is returned, therefore the caller |
| * must check for "Unknown" in the buffer to detect a failure. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_max_rpi_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; |
| uint32_t cnt; |
| |
| if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, NULL, NULL, NULL)) |
| return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
| return snprintf(buf, PAGE_SIZE, "Unknown\n"); |
| } |
| |
| /** |
| * lpfc_used_rpi_show - Return maximum rpi minus available rpi |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: containing the used rpi count in decimal or "Unknown". |
| * |
| * Description: |
| * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts. |
| * If lpfc_get_hba_info() returns zero (failure) the buffer text is set |
| * to "Unknown" and the buffer length is returned, therefore the caller |
| * must check for "Unknown" in the buffer to detect a failure. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_used_rpi_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; |
| uint32_t cnt, acnt; |
| |
| if (lpfc_get_hba_info(phba, NULL, NULL, &cnt, &acnt, NULL, NULL)) |
| return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
| return snprintf(buf, PAGE_SIZE, "Unknown\n"); |
| } |
| |
| /** |
| * lpfc_max_xri_show - Return maximum xri |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the maximum xri count in decimal or "Unknown". |
| * |
| * Description: |
| * Calls lpfc_get_hba_info() asking for just the mrpi count. |
| * If lpfc_get_hba_info() returns zero (failure) the buffer text is set |
| * to "Unknown" and the buffer length is returned, therefore the caller |
| * must check for "Unknown" in the buffer to detect a failure. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_max_xri_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; |
| uint32_t cnt; |
| |
| if (lpfc_get_hba_info(phba, &cnt, NULL, NULL, NULL, NULL, NULL)) |
| return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
| return snprintf(buf, PAGE_SIZE, "Unknown\n"); |
| } |
| |
| /** |
| * lpfc_used_xri_show - Return maximum xpi minus the available xpi |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the used xri count in decimal or "Unknown". |
| * |
| * Description: |
| * Calls lpfc_get_hba_info() asking for just the mxri and axri counts. |
| * If lpfc_get_hba_info() returns zero (failure) the buffer text is set |
| * to "Unknown" and the buffer length is returned, therefore the caller |
| * must check for "Unknown" in the buffer to detect a failure. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_used_xri_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; |
| uint32_t cnt, acnt; |
| |
| if (lpfc_get_hba_info(phba, &cnt, &acnt, NULL, NULL, NULL, NULL)) |
| return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
| return snprintf(buf, PAGE_SIZE, "Unknown\n"); |
| } |
| |
| /** |
| * lpfc_max_vpi_show - Return maximum vpi |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the maximum vpi count in decimal or "Unknown". |
| * |
| * Description: |
| * Calls lpfc_get_hba_info() asking for just the mvpi count. |
| * If lpfc_get_hba_info() returns zero (failure) the buffer text is set |
| * to "Unknown" and the buffer length is returned, therefore the caller |
| * must check for "Unknown" in the buffer to detect a failure. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_max_vpi_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; |
| uint32_t cnt; |
| |
| if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, NULL)) |
| return snprintf(buf, PAGE_SIZE, "%d\n", cnt); |
| return snprintf(buf, PAGE_SIZE, "Unknown\n"); |
| } |
| |
| /** |
| * lpfc_used_vpi_show - Return maximum vpi minus the available vpi |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the used vpi count in decimal or "Unknown". |
| * |
| * Description: |
| * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts. |
| * If lpfc_get_hba_info() returns zero (failure) the buffer text is set |
| * to "Unknown" and the buffer length is returned, therefore the caller |
| * must check for "Unknown" in the buffer to detect a failure. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_used_vpi_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; |
| uint32_t cnt, acnt; |
| |
| if (lpfc_get_hba_info(phba, NULL, NULL, NULL, NULL, &cnt, &acnt)) |
| return snprintf(buf, PAGE_SIZE, "%d\n", (cnt - acnt)); |
| return snprintf(buf, PAGE_SIZE, "Unknown\n"); |
| } |
| |
| /** |
| * lpfc_npiv_info_show - Return text about NPIV support for the adapter |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: text that must be interpreted to determine if npiv is supported. |
| * |
| * Description: |
| * Buffer will contain text indicating npiv is not suppoerted on the port, |
| * the port is an NPIV physical port, or it is an npiv virtual port with |
| * the id of the vport. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_npiv_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; |
| |
| if (!(phba->max_vpi)) |
| return snprintf(buf, PAGE_SIZE, "NPIV Not Supported\n"); |
| if (vport->port_type == LPFC_PHYSICAL_PORT) |
| return snprintf(buf, PAGE_SIZE, "NPIV Physical\n"); |
| return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi); |
| } |
| |
| /** |
| * lpfc_poll_show - Return text about poll support for the adapter |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the cfg_poll in hex. |
| * |
| * Notes: |
| * cfg_poll should be a lpfc_polling_flags type. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_poll_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; |
| |
| return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll); |
| } |
| |
| /** |
| * lpfc_poll_store - Set the value of cfg_poll for the adapter |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: one or more lpfc_polling_flags values. |
| * @count: not used. |
| * |
| * Notes: |
| * buf contents converted to integer and checked for a valid value. |
| * |
| * Returns: |
| * -EINVAL if the buffer connot be converted or is out of range |
| * length of the buf on success |
| **/ |
| static ssize_t |
| lpfc_poll_store(struct device *dev, struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct Scsi_Host *shost = class_to_shost(dev); |
| struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
| struct lpfc_hba *phba = vport->phba; |
| uint32_t creg_val; |
| uint32_t old_val; |
| int val=0; |
| |
| if (!isdigit(buf[0])) |
| return -EINVAL; |
| |
| if (sscanf(buf, "%i", &val) != 1) |
| return -EINVAL; |
| |
| if ((val & 0x3) != val) |
| return -EINVAL; |
| |
| if (phba->sli_rev == LPFC_SLI_REV4) |
| val = 0; |
| |
| lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, |
| "3051 lpfc_poll changed from %d to %d\n", |
| phba->cfg_poll, val); |
| |
| spin_lock_irq(&phba->hbalock); |
| |
| old_val = phba->cfg_poll; |
| |
| if (val & ENABLE_FCP_RING_POLLING) { |
| if ((val & DISABLE_FCP_RING_INT) && |
| !(old_val & DISABLE_FCP_RING_INT)) { |
| if (lpfc_readl(phba->HCregaddr, &creg_val)) { |
| spin_unlock_irq(&phba->hbalock); |
| return -EINVAL; |
| } |
| creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); |
| writel(creg_val, phba->HCregaddr); |
| readl(phba->HCregaddr); /* flush */ |
| |
| lpfc_poll_start_timer(phba); |
| } |
| } else if (val != 0x0) { |
| spin_unlock_irq(&phba->hbalock); |
| return -EINVAL; |
| } |
| |
| if (!(val & DISABLE_FCP_RING_INT) && |
| (old_val & DISABLE_FCP_RING_INT)) |
| { |
| spin_unlock_irq(&phba->hbalock); |
| del_timer(&phba->fcp_poll_timer); |
| spin_lock_irq(&phba->hbalock); |
| if (lpfc_readl(phba->HCregaddr, &creg_val)) { |
| spin_unlock_irq(&phba->hbalock); |
| return -EINVAL; |
| } |
| creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); |
| writel(creg_val, phba->HCregaddr); |
| readl(phba->HCregaddr); /* flush */ |
| } |
| |
| phba->cfg_poll = val; |
| |
| spin_unlock_irq(&phba->hbalock); |
| |
| return strlen(buf); |
| } |
| |
| /** |
| * lpfc_fips_level_show - Return the current FIPS level for the HBA |
| * @dev: class unused variable. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the module description text. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_fips_level_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; |
| |
| return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_level); |
| } |
| |
| /** |
| * lpfc_fips_rev_show - Return the FIPS Spec revision for the HBA |
| * @dev: class unused variable. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the module description text. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_fips_rev_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; |
| |
| return snprintf(buf, PAGE_SIZE, "%d\n", phba->fips_spec_rev); |
| } |
| |
| /** |
| * lpfc_dss_show - Return the current state of dss and the configured state |
| * @dev: class converted to a Scsi_host structure. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the formatted text. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_dss_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; |
| |
| return snprintf(buf, PAGE_SIZE, "%s - %sOperational\n", |
| (phba->cfg_enable_dss) ? "Enabled" : "Disabled", |
| (phba->sli3_options & LPFC_SLI3_DSS_ENABLED) ? |
| "" : "Not "); |
| } |
| |
| /** |
| * lpfc_sriov_hw_max_virtfn_show - Return maximum number of virtual functions |
| * @dev: class converted to a Scsi_host structure. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the formatted support level. |
| * |
| * Description: |
| * Returns the maximum number of virtual functions a physical function can |
| * support, 0 will be returned if called on virtual function. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_sriov_hw_max_virtfn_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; |
| uint16_t max_nr_virtfn; |
| |
| max_nr_virtfn = lpfc_sli_sriov_nr_virtfn_get(phba); |
| return snprintf(buf, PAGE_SIZE, "%d\n", max_nr_virtfn); |
| } |
| |
| static inline bool lpfc_rangecheck(uint val, uint min, uint max) |
| { |
| return val >= min && val <= max; |
| } |
| |
| /** |
| * lpfc_enable_bbcr_set: Sets an attribute value. |
| * @phba: pointer the the adapter structure. |
| * @val: integer attribute value. |
| * |
| * Description: |
| * Validates the min and max values then sets the |
| * adapter config field if in the valid range. prints error message |
| * and does not set the parameter if invalid. |
| * |
| * Returns: |
| * zero on success |
| * -EINVAL if val is invalid |
| */ |
| static ssize_t |
| lpfc_enable_bbcr_set(struct lpfc_hba *phba, uint val) |
| { |
| if (lpfc_rangecheck(val, 0, 1) && phba->sli_rev == LPFC_SLI_REV4) { |
| lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
| "3068 %s_enable_bbcr changed from %d to %d\n", |
| LPFC_DRIVER_NAME, phba->cfg_enable_bbcr, val); |
| phba->cfg_enable_bbcr = val; |
| return 0; |
| } |
| lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
| "0451 %s_enable_bbcr cannot set to %d, range is 0, 1\n", |
| LPFC_DRIVER_NAME, val); |
| return -EINVAL; |
| } |
| |
| /** |
| * lpfc_param_show - Return a cfg attribute value in decimal |
| * |
| * Description: |
| * Macro that given an attr e.g. hba_queue_depth expands |
| * into a function with the name lpfc_hba_queue_depth_show. |
| * |
| * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field. |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the attribute value in decimal. |
| * |
| * Returns: size of formatted string. |
| **/ |
| #define lpfc_param_show(attr) \ |
| static ssize_t \ |
| lpfc_##attr##_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;\ |
| return snprintf(buf, PAGE_SIZE, "%d\n",\ |
| phba->cfg_##attr);\ |
| } |
| |
| /** |
| * lpfc_param_hex_show - Return a cfg attribute value in hex |
| * |
| * Description: |
| * Macro that given an attr e.g. hba_queue_depth expands |
| * into a function with the name lpfc_hba_queue_depth_show |
| * |
| * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field. |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the attribute value in hexadecimal. |
| * |
| * Returns: size of formatted string. |
| **/ |
| #define lpfc_param_hex_show(attr) \ |
| static ssize_t \ |
| lpfc_##attr##_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;\ |
| uint val = 0;\ |
| val = phba->cfg_##attr;\ |
| return snprintf(buf, PAGE_SIZE, "%#x\n",\ |
| phba->cfg_##attr);\ |
| } |
| |
| /** |
| * lpfc_param_init - Initializes a cfg attribute |
| * |
| * Description: |
| * Macro that given an attr e.g. hba_queue_depth expands |
| * into a function with the name lpfc_hba_queue_depth_init. The macro also |
| * takes a default argument, a minimum and maximum argument. |
| * |
| * lpfc_##attr##_init: Initializes an attribute. |
| * @phba: pointer the the adapter structure. |
| * @val: integer attribute value. |
| * |
| * Validates the min and max values then sets the adapter config field |
| * accordingly, or uses the default if out of range and prints an error message. |
| * |
| * Returns: |
| * zero on success |
| * -EINVAL if default used |
| **/ |
| #define lpfc_param_init(attr, default, minval, maxval) \ |
| static int \ |
| lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \ |
| { \ |
| if (lpfc_rangecheck(val, minval, maxval)) {\ |
| phba->cfg_##attr = val;\ |
| return 0;\ |
| }\ |
| lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ |
| "0449 lpfc_"#attr" attribute cannot be set to %d, "\ |
| "allowed range is ["#minval", "#maxval"]\n", val); \ |
| phba->cfg_##attr = default;\ |
| return -EINVAL;\ |
| } |
| |
| /** |
| * lpfc_param_set - Set a cfg attribute value |
| * |
| * Description: |
| * Macro that given an attr e.g. hba_queue_depth expands |
| * into a function with the name lpfc_hba_queue_depth_set |
| * |
| * lpfc_##attr##_set: Sets an attribute value. |
| * @phba: pointer the the adapter structure. |
| * @val: integer attribute value. |
| * |
| * Description: |
| * Validates the min and max values then sets the |
| * adapter config field if in the valid range. prints error message |
| * and does not set the parameter if invalid. |
| * |
| * Returns: |
| * zero on success |
| * -EINVAL if val is invalid |
| **/ |
| #define lpfc_param_set(attr, default, minval, maxval) \ |
| static int \ |
| 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;\ |
| return 0;\ |
| }\ |
| lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \ |
| "0450 lpfc_"#attr" attribute cannot be set to %d, "\ |
| "allowed range is ["#minval", "#maxval"]\n", val); \ |
| return -EINVAL;\ |
| } |
| |
| /** |
| * lpfc_param_store - Set a vport attribute value |
| * |
| * Description: |
| * Macro that given an attr e.g. hba_queue_depth expands |
| * into a function with the name lpfc_hba_queue_depth_store. |
| * |
| * lpfc_##attr##_store: Set an sttribute value. |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: contains the attribute value in ascii. |
| * @count: not used. |
| * |
| * Description: |
| * Convert the ascii text number to an integer, then |
| * use the lpfc_##attr##_set function to set the value. |
| * |
| * Returns: |
| * -EINVAL if val is invalid or lpfc_##attr##_set() fails |
| * length of buffer upon success. |
| **/ |
| #define lpfc_param_store(attr) \ |
| static ssize_t \ |
| lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
| const char *buf, size_t count) \ |
| { \ |
| struct Scsi_Host *shost = class_to_shost(dev);\ |
| struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
| struct lpfc_hba *phba = vport->phba;\ |
| uint val = 0;\ |
| if (!isdigit(buf[0]))\ |
| return -EINVAL;\ |
| if (sscanf(buf, "%i", &val) != 1)\ |
| return -EINVAL;\ |
| if (lpfc_##attr##_set(phba, val) == 0) \ |
| return strlen(buf);\ |
| else \ |
| return -EINVAL;\ |
| } |
| |
| /** |
| * lpfc_vport_param_show - Return decimal formatted cfg attribute value |
| * |
| * Description: |
| * Macro that given an attr e.g. hba_queue_depth expands |
| * into a function with the name lpfc_hba_queue_depth_show |
| * |
| * lpfc_##attr##_show: prints the attribute value in decimal. |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the attribute value in decimal. |
| * |
| * Returns: length of formatted string. |
| **/ |
| #define lpfc_vport_param_show(attr) \ |
| static ssize_t \ |
| lpfc_##attr##_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;\ |
| return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\ |
| } |
| |
| /** |
| * lpfc_vport_param_hex_show - Return hex formatted attribute value |
| * |
| * Description: |
| * Macro that given an attr e.g. |
| * hba_queue_depth expands into a function with the name |
| * lpfc_hba_queue_depth_show |
| * |
| * lpfc_##attr##_show: prints the attribute value in hexadecimal. |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the attribute value in hexadecimal. |
| * |
| * Returns: length of formatted string. |
| **/ |
| #define lpfc_vport_param_hex_show(attr) \ |
| static ssize_t \ |
| lpfc_##attr##_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;\ |
| return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\ |
| } |
| |
| /** |
| * lpfc_vport_param_init - Initialize a vport cfg attribute |
| * |
| * Description: |
| * Macro that given an attr e.g. hba_queue_depth expands |
| * into a function with the name lpfc_hba_queue_depth_init. The macro also |
| * takes a default argument, a minimum and maximum argument. |
| * |
| * lpfc_##attr##_init: validates the min and max values then sets the |
| * adapter config field accordingly, or uses the default if out of range |
| * and prints an error message. |
| * @phba: pointer the the adapter structure. |
| * @val: integer attribute value. |
| * |
| * Returns: |
| * zero on success |
| * -EINVAL if default used |
| **/ |
| #define lpfc_vport_param_init(attr, default, minval, maxval) \ |
| static int \ |
| lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \ |
| { \ |
| if (lpfc_rangecheck(val, minval, maxval)) {\ |
| vport->cfg_##attr = val;\ |
| return 0;\ |
| }\ |
| lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
| "0423 lpfc_"#attr" attribute cannot be set to %d, "\ |
| "allowed range is ["#minval", "#maxval"]\n", val); \ |
| vport->cfg_##attr = default;\ |
| return -EINVAL;\ |
| } |
| |
| /** |
| * lpfc_vport_param_set - Set a vport cfg attribute |
| * |
| * Description: |
| * Macro that given an attr e.g. hba_queue_depth expands |
| * into a function with the name lpfc_hba_queue_depth_set |
| * |
| * lpfc_##attr##_set: validates the min and max values then sets the |
| * adapter config field if in the valid range. prints error message |
| * and does not set the parameter if invalid. |
| * @phba: pointer the the adapter structure. |
| * @val: integer attribute value. |
| * |
| * Returns: |
| * zero on success |
| * -EINVAL if val is invalid |
| **/ |
| #define lpfc_vport_param_set(attr, default, minval, maxval) \ |
| static int \ |
| lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \ |
| { \ |
| if (lpfc_rangecheck(val, minval, maxval)) {\ |
| lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
| "3053 lpfc_" #attr \ |
| " changed from %d (x%x) to %d (x%x)\n", \ |
| vport->cfg_##attr, vport->cfg_##attr, \ |
| val, val); \ |
| vport->cfg_##attr = val;\ |
| return 0;\ |
| }\ |
| lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ |
| "0424 lpfc_"#attr" attribute cannot be set to %d, "\ |
| "allowed range is ["#minval", "#maxval"]\n", val); \ |
| return -EINVAL;\ |
| } |
| |
| /** |
| * lpfc_vport_param_store - Set a vport attribute |
| * |
| * Description: |
| * Macro that given an attr e.g. hba_queue_depth |
| * expands into a function with the name lpfc_hba_queue_depth_store |
| * |
| * lpfc_##attr##_store: convert the ascii text number to an integer, then |
| * use the lpfc_##attr##_set function to set the value. |
| * @cdev: class device that is converted into a Scsi_host. |
| * @buf: contains the attribute value in decimal. |
| * @count: not used. |
| * |
| * Returns: |
| * -EINVAL if val is invalid or lpfc_##attr##_set() fails |
| * length of buffer upon success. |
| **/ |
| #define lpfc_vport_param_store(attr) \ |
| static ssize_t \ |
| lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ |
| const char *buf, size_t count) \ |
| { \ |
| struct Scsi_Host *shost = class_to_shost(dev);\ |
| struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\ |
| uint val = 0;\ |
| if (!isdigit(buf[0]))\ |
| return -EINVAL;\ |
| if (sscanf(buf, "%i", &val) != 1)\ |
| return -EINVAL;\ |
| if (lpfc_##attr##_set(vport, val) == 0) \ |
| return strlen(buf);\ |
| else \ |
| return -EINVAL;\ |
| } |
| |
| |
| 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); |
| static DEVICE_ATTR(bg_reftag_err, S_IRUGO, lpfc_bg_reftag_err_show, NULL); |
| static DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL); |
| static DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL); |
| static DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL); |
| static DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL); |
| static DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL); |
| static DEVICE_ATTR(portnum, S_IRUGO, lpfc_vportnum_show, NULL); |
| static DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL); |
| static DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL); |
| static DEVICE_ATTR(link_state, S_IRUGO | S_IWUSR, lpfc_link_state_show, |
| lpfc_link_state_store); |
| static DEVICE_ATTR(option_rom_version, S_IRUGO, |
| lpfc_option_rom_version_show, NULL); |
| static DEVICE_ATTR(num_discovered_ports, S_IRUGO, |
| lpfc_num_discovered_ports_show, NULL); |
| static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL); |
| static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL); |
| static DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, NULL); |
| static DEVICE_ATTR(lpfc_enable_fip, S_IRUGO, lpfc_enable_fip_show, NULL); |
| static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR, |
| lpfc_board_mode_show, lpfc_board_mode_store); |
| static DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset); |
| static DEVICE_ATTR(max_vpi, S_IRUGO, lpfc_max_vpi_show, NULL); |
| static DEVICE_ATTR(used_vpi, S_IRUGO, lpfc_used_vpi_show, NULL); |
| static DEVICE_ATTR(max_rpi, S_IRUGO, lpfc_max_rpi_show, NULL); |
| static DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL); |
| static DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL); |
| static DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL); |
| static DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL); |
| static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL); |
| static DEVICE_ATTR(lpfc_fips_level, S_IRUGO, lpfc_fips_level_show, NULL); |
| static DEVICE_ATTR(lpfc_fips_rev, S_IRUGO, lpfc_fips_rev_show, NULL); |
| static DEVICE_ATTR(lpfc_dss, S_IRUGO, lpfc_dss_show, NULL); |
| static DEVICE_ATTR(lpfc_sriov_hw_max_virtfn, S_IRUGO, |
| lpfc_sriov_hw_max_virtfn_show, NULL); |
| static DEVICE_ATTR(protocol, S_IRUGO, lpfc_sli4_protocol_show, NULL); |
| static DEVICE_ATTR(lpfc_xlane_supported, S_IRUGO, lpfc_oas_supported_show, |
| NULL); |
| |
| static char *lpfc_soft_wwn_key = "C99G71SL8032A"; |
| #define WWN_SZ 8 |
| /** |
| * lpfc_wwn_set - Convert string to the 8 byte WWN value. |
| * @buf: WWN string. |
| * @cnt: Length of string. |
| * @wwn: Array to receive converted wwn value. |
| * |
| * Returns: |
| * -EINVAL if the buffer does not contain a valid wwn |
| * 0 success |
| **/ |
| static size_t |
| lpfc_wwn_set(const char *buf, size_t cnt, char wwn[]) |
| { |
| unsigned int i, j; |
| |
| /* Count may include a LF at end of string */ |
| if (buf[cnt-1] == '\n') |
| cnt--; |
| |
| if ((cnt < 16) || (cnt > 18) || ((cnt == 17) && (*buf++ != 'x')) || |
| ((cnt == 18) && ((*buf++ != '0') || (*buf++ != 'x')))) |
| return -EINVAL; |
| |
| memset(wwn, 0, WWN_SZ); |
| |
| /* Validate and store the new name */ |
| for (i = 0, j = 0; i < 16; i++) { |
| if ((*buf >= 'a') && (*buf <= 'f')) |
| j = ((j << 4) | ((*buf++ - 'a') + 10)); |
| else if ((*buf >= 'A') && (*buf <= 'F')) |
| j = ((j << 4) | ((*buf++ - 'A') + 10)); |
| else if ((*buf >= '0') && (*buf <= '9')) |
| j = ((j << 4) | (*buf++ - '0')); |
| else |
| return -EINVAL; |
| if (i % 2) { |
| wwn[i/2] = j & 0xff; |
| j = 0; |
| } |
| } |
| return 0; |
| } |
| /** |
| * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: containing the string lpfc_soft_wwn_key. |
| * @count: must be size of lpfc_soft_wwn_key. |
| * |
| * Returns: |
| * -EINVAL if the buffer does not contain lpfc_soft_wwn_key |
| * length of buf indicates success |
| **/ |
| static ssize_t |
| lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct Scsi_Host *shost = class_to_shost(dev); |
| struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
| struct lpfc_hba *phba = vport->phba; |
| unsigned int cnt = count; |
| uint8_t vvvl = vport->fc_sparam.cmn.valid_vendor_ver_level; |
| u32 *fawwpn_key = (uint32_t *)&vport->fc_sparam.un.vendorVersion[0]; |
| |
| /* |
| * We're doing a simple sanity check for soft_wwpn setting. |
| * We require that the user write a specific key to enable |
| * the soft_wwpn attribute to be settable. Once the attribute |
| * is written, the enable key resets. If further updates are |
| * desired, the key must be written again to re-enable the |
| * attribute. |
| * |
| * The "key" is not secret - it is a hardcoded string shown |
| * here. The intent is to protect against the random user or |
| * application that is just writing attributes. |
| */ |
| if (vvvl == 1 && cpu_to_be32(*fawwpn_key) == FAPWWN_KEY_VENDOR) { |
| lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
| "0051 "LPFC_DRIVER_NAME" soft wwpn can not" |
| " be enabled: fawwpn is enabled\n"); |
| return -EINVAL; |
| } |
| |
| /* count may include a LF at end of string */ |
| if (buf[cnt-1] == '\n') |
| cnt--; |
| |
| if ((cnt != strlen(lpfc_soft_wwn_key)) || |
| (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0)) |
| 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, |
| lpfc_soft_wwn_enable_store); |
| |
| /** |
| * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the wwpn in hexadecimal. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_soft_wwpn_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; |
| |
| return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
| (unsigned long long)phba->cfg_soft_wwpn); |
| } |
| |
| /** |
| * lpfc_soft_wwpn_store - Set the ww port name of the adapter |
| * @dev class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: contains the wwpn in hexadecimal. |
| * @count: number of wwpn bytes in buf |
| * |
| * Returns: |
| * -EACCES hba reset not enabled, adapter over temp |
| * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid |
| * -EIO error taking adapter offline or online |
| * value of count on success |
| **/ |
| static ssize_t |
| lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct Scsi_Host *shost = class_to_shost(dev); |
| struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; |
| struct lpfc_hba *phba = vport->phba; |
| struct completion online_compl; |
| int stat1 = 0, stat2 = 0; |
| unsigned int cnt = count; |
| u8 wwpn[WWN_SZ]; |
| int rc; |
| |
| if (!phba->cfg_enable_hba_reset) |
| return -EACCES; |
| spin_lock_irq(&phba->hbalock); |
| if (phba->over_temp_state == HBA_OVER_TEMP) { |
| spin_unlock_irq(&phba->hbalock); |
| return -EACCES; |
| } |
| spin_unlock_irq(&phba->hbalock); |
| /* count may include a LF at end of string */ |
| if (buf[cnt-1] == '\n') |
| cnt--; |
| |
| if (!phba->soft_wwn_enable) |
| return -EINVAL; |
| |
| /* lock setting wwpn, wwnn down */ |
| phba->soft_wwn_enable = 0; |
| |
| rc = lpfc_wwn_set(buf, cnt, wwpn); |
| if (rc) { |
| /* not able to set wwpn, unlock it */ |
| phba->soft_wwn_enable = 1; |
| return rc; |
| } |
| |
| phba->cfg_soft_wwpn = wwn_to_u64(wwpn); |
| fc_host_port_name(shost) = phba->cfg_soft_wwpn; |
| if (phba->cfg_soft_wwnn) |
| fc_host_node_name(shost) = phba->cfg_soft_wwnn; |
| |
| dev_printk(KERN_NOTICE, &phba->pcidev->dev, |
| "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); |
| |
| stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); |
| if (stat1) |
| lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
| "0463 lpfc_soft_wwpn attribute set failed to " |
| "reinit adapter - %d\n", stat1); |
| init_completion(&online_compl); |
| rc = lpfc_workq_post_event(phba, &stat2, &online_compl, |
| LPFC_EVT_ONLINE); |
| if (rc == 0) |
| return -ENOMEM; |
| |
| wait_for_completion(&online_compl); |
| if (stat2) |
| lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
| "0464 lpfc_soft_wwpn attribute set failed to " |
| "reinit adapter - %d\n", stat2); |
| return (stat1 || stat2) ? -EIO : count; |
| } |
| static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR, |
| lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); |
| |
| /** |
| * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: on return contains the wwnn in hexadecimal. |
| * |
| * Returns: size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_soft_wwnn_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; |
| return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
| (unsigned long long)phba->cfg_soft_wwnn); |
| } |
| |
| /** |
| * lpfc_soft_wwnn_store - sets the ww node name of the adapter |
| * @cdev: class device that is converted into a Scsi_host. |
| * @buf: contains the ww node name in hexadecimal. |
| * @count: number of wwnn bytes in buf. |
| * |
| * Returns: |
| * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid |
| * value of count on success |
| **/ |
| static ssize_t |
| lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct Scsi_Host *shost = class_to_shost(dev); |
| struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
| unsigned int cnt = count; |
| u8 wwnn[WWN_SZ]; |
| int rc; |
| |
| /* count may include a LF at end of string */ |
| if (buf[cnt-1] == '\n') |
| cnt--; |
| |
| if (!phba->soft_wwn_enable) |
| return -EINVAL; |
| |
| rc = lpfc_wwn_set(buf, cnt, wwnn); |
| if (rc) { |
| /* Allow wwnn to be set many times, as long as the enable |
| * is set. However, once the wwpn is set, everything locks. |
| */ |
| return rc; |
| } |
| |
| phba->cfg_soft_wwnn = wwn_to_u64(wwnn); |
| |
| dev_printk(KERN_NOTICE, &phba->pcidev->dev, |
| "lpfc%d: soft_wwnn set. Value will take effect upon " |
| "setting of the soft_wwpn\n", phba->brd_no); |
| |
| return count; |
| } |
| static DEVICE_ATTR(lpfc_soft_wwnn, S_IRUGO | S_IWUSR, |
| lpfc_soft_wwnn_show, lpfc_soft_wwnn_store); |
| |
| /** |
| * lpfc_oas_tgt_show - Return wwpn of target whose luns maybe enabled for |
| * Optimized Access Storage (OAS) operations. |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: buffer for passing information. |
| * |
| * Returns: |
| * value of count |
| **/ |
| static ssize_t |
| lpfc_oas_tgt_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; |
| |
| return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
| wwn_to_u64(phba->cfg_oas_tgt_wwpn)); |
| } |
| |
| /** |
| * lpfc_oas_tgt_store - Store wwpn of target whose luns maybe enabled for |
| * Optimized Access Storage (OAS) operations. |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: buffer for passing information. |
| * @count: Size of the data buffer. |
| * |
| * Returns: |
| * -EINVAL count is invalid, invalid wwpn byte invalid |
| * -EPERM oas is not supported by hba |
| * value of count on success |
| **/ |
| static ssize_t |
| lpfc_oas_tgt_store(struct device *dev, struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct Scsi_Host *shost = class_to_shost(dev); |
| struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
| unsigned int cnt = count; |
| uint8_t wwpn[WWN_SZ]; |
| int rc; |
| |
| if (!phba->cfg_fof) |
| return -EPERM; |
| |
| /* count may include a LF at end of string */ |
| if (buf[cnt-1] == '\n') |
| cnt--; |
| |
| rc = lpfc_wwn_set(buf, cnt, wwpn); |
| if (rc) |
| return rc; |
| |
| memcpy(phba->cfg_oas_tgt_wwpn, wwpn, (8 * sizeof(uint8_t))); |
| memcpy(phba->sli4_hba.oas_next_tgt_wwpn, wwpn, (8 * sizeof(uint8_t))); |
| if (wwn_to_u64(wwpn) == 0) |
| phba->cfg_oas_flags |= OAS_FIND_ANY_TARGET; |
| else |
| phba->cfg_oas_flags &= ~OAS_FIND_ANY_TARGET; |
| phba->cfg_oas_flags &= ~OAS_LUN_VALID; |
| phba->sli4_hba.oas_next_lun = FIND_FIRST_OAS_LUN; |
| return count; |
| } |
| static DEVICE_ATTR(lpfc_xlane_tgt, S_IRUGO | S_IWUSR, |
| lpfc_oas_tgt_show, lpfc_oas_tgt_store); |
| |
| /** |
| * lpfc_oas_priority_show - Return wwpn of target whose luns maybe enabled for |
| * Optimized Access Storage (OAS) operations. |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: buffer for passing information. |
| * |
| * Returns: |
| * value of count |
| **/ |
| static ssize_t |
| lpfc_oas_priority_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; |
| |
| return snprintf(buf, PAGE_SIZE, "%d\n", phba->cfg_oas_priority); |
| } |
| |
| /** |
| * lpfc_oas_priority_store - Store wwpn of target whose luns maybe enabled for |
| * Optimized Access Storage (OAS) operations. |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: buffer for passing information. |
| * @count: Size of the data buffer. |
| * |
| * Returns: |
| * -EINVAL count is invalid, invalid wwpn byte invalid |
| * -EPERM oas is not supported by hba |
| * value of count on success |
| **/ |
| static ssize_t |
| lpfc_oas_priority_store(struct device *dev, struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct Scsi_Host *shost = class_to_shost(dev); |
| struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
| unsigned int cnt = count; |
| unsigned long val; |
| int ret; |
| |
| if (!phba->cfg_fof) |
| return -EPERM; |
| |
| /* count may include a LF at end of string */ |
| if (buf[cnt-1] == '\n') |
| cnt--; |
| |
| ret = kstrtoul(buf, 0, &val); |
| if (ret || (val > 0x7f)) |
| return -EINVAL; |
| |
| if (val) |
| phba->cfg_oas_priority = (uint8_t)val; |
| else |
| phba->cfg_oas_priority = phba->cfg_XLanePriority; |
| return count; |
| } |
| static DEVICE_ATTR(lpfc_xlane_priority, S_IRUGO | S_IWUSR, |
| lpfc_oas_priority_show, lpfc_oas_priority_store); |
| |
| /** |
| * lpfc_oas_vpt_show - Return wwpn of vport whose targets maybe enabled |
| * for Optimized Access Storage (OAS) operations. |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: buffer for passing information. |
| * |
| * Returns: |
| * value of count on success |
| **/ |
| static ssize_t |
| lpfc_oas_vpt_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; |
| |
| return snprintf(buf, PAGE_SIZE, "0x%llx\n", |
| wwn_to_u64(phba->cfg_oas_vpt_wwpn)); |
| } |
| |
| /** |
| * lpfc_oas_vpt_store - Store wwpn of vport whose targets maybe enabled |
| * for Optimized Access Storage (OAS) operations. |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: buffer for passing information. |
| * @count: Size of the data buffer. |
| * |
| * Returns: |
| * -EINVAL count is invalid, invalid wwpn byte invalid |
| * -EPERM oas is not supported by hba |
| * value of count on success |
| **/ |
| static ssize_t |
| lpfc_oas_vpt_store(struct device *dev, struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct Scsi_Host *shost = class_to_shost(dev); |
| struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
| unsigned int cnt = count; |
| uint8_t wwpn[WWN_SZ]; |
| int rc; |
| |
| if (!phba->cfg_fof) |
| return -EPERM; |
| |
| /* count may include a LF at end of string */ |
| if (buf[cnt-1] == '\n') |
| cnt--; |
| |
| rc = lpfc_wwn_set(buf, cnt, wwpn); |
| if (rc) |
| return rc; |
| |
| memcpy(phba->cfg_oas_vpt_wwpn, wwpn, (8 * sizeof(uint8_t))); |
| memcpy(phba->sli4_hba.oas_next_vpt_wwpn, wwpn, (8 * sizeof(uint8_t))); |
| if (wwn_to_u64(wwpn) == 0) |
| phba->cfg_oas_flags |= OAS_FIND_ANY_VPORT; |
| else |
| phba->cfg_oas_flags &= ~OAS_FIND_ANY_VPORT; |
| phba->cfg_oas_flags &= ~OAS_LUN_VALID; |
| 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; |
| } |
| static DEVICE_ATTR(lpfc_xlane_vpt, S_IRUGO | S_IWUSR, |
| lpfc_oas_vpt_show, lpfc_oas_vpt_store); |
| |
| /** |
| * lpfc_oas_lun_state_show - Return the current state (enabled or disabled) |
| * of whether luns will be enabled or disabled |
| * for Optimized Access Storage (OAS) operations. |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: buffer for passing information. |
| * |
| * Returns: |
| * size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_oas_lun_state_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; |
| |
| return snprintf(buf, PAGE_SIZE, "%d\n", phba->cfg_oas_lun_state); |
| } |
| |
| /** |
| * lpfc_oas_lun_state_store - Store the state (enabled or disabled) |
| * of whether luns will be enabled or disabled |
| * for Optimized Access Storage (OAS) operations. |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: buffer for passing information. |
| * @count: Size of the data buffer. |
| * |
| * Returns: |
| * -EINVAL count is invalid, invalid wwpn byte invalid |
| * -EPERM oas is not supported by hba |
| * value of count on success |
| **/ |
| static ssize_t |
| lpfc_oas_lun_state_store(struct device *dev, struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct Scsi_Host *shost = class_to_shost(dev); |
| struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; |
| int val = 0; |
| |
| if (!phba->cfg_fof) |
| return -EPERM; |
| |
| if (!isdigit(buf[0])) |
| return -EINVAL; |
| |
| if (sscanf(buf, "%i", &val) != 1) |
| return -EINVAL; |
| |
| if ((val != 0) && (val != 1)) |
| return -EINVAL; |
| |
| phba->cfg_oas_lun_state = val; |
| return strlen(buf); |
| } |
| static DEVICE_ATTR(lpfc_xlane_lun_state, S_IRUGO | S_IWUSR, |
| lpfc_oas_lun_state_show, lpfc_oas_lun_state_store); |
| |
| /** |
| * lpfc_oas_lun_status_show - Return the status of the Optimized Access |
| * Storage (OAS) lun returned by the |
| * lpfc_oas_lun_show function. |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: buffer for passing information. |
| * |
| * Returns: |
| * size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_oas_lun_status_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->cfg_oas_flags & OAS_LUN_VALID)) |
| return -EFAULT; |
| |
| return snprintf(buf, PAGE_SIZE, "%d\n", phba->cfg_oas_lun_status); |
| } |
| static DEVICE_ATTR(lpfc_xlane_lun_status, S_IRUGO, |
| lpfc_oas_lun_status_show, NULL); |
| |
| |
| /** |
| * lpfc_oas_lun_state_set - enable or disable a lun for Optimized Access Storage |
| * (OAS) operations. |
| * @phba: lpfc_hba pointer. |
| * @ndlp: pointer to fcp target node. |
| * @lun: the fc lun for setting oas state. |
| * @oas_state: the oas state to be set to the lun. |
| * |
| * Returns: |
| * SUCCESS : 0 |
| * -EPERM OAS is not enabled or not supported by this port. |
| * |
| */ |
| static size_t |
| lpfc_oas_lun_state_set(struct lpfc_hba *phba, uint8_t vpt_wwpn[], |
| uint8_t tgt_wwpn[], uint64_t lun, |
| uint32_t oas_state, uint8_t pri) |
| { |
| |
| int rc = 0; |
| |
| if (!phba->cfg_fof) |
| return -EPERM; |
| |
| if (oas_state) { |
| if (!lpfc_enable_oas_lun(phba, (struct lpfc_name *)vpt_wwpn, |
| (struct lpfc_name *)tgt_wwpn, |
| lun, pri)) |
| rc = -ENOMEM; |
| } else { |
| lpfc_disable_oas_lun(phba, (struct lpfc_name *)vpt_wwpn, |
| (struct lpfc_name *)tgt_wwpn, lun, pri); |
| } |
| return rc; |
| |
| } |
| |
| /** |
| * lpfc_oas_lun_get_next - get the next lun that has been enabled for Optimized |
| * Access Storage (OAS) operations. |
| * @phba: lpfc_hba pointer. |
| * @vpt_wwpn: wwpn of the vport associated with the returned lun |
| * @tgt_wwpn: wwpn of the target associated with the returned lun |
| * @lun_status: status of the lun returned lun |
| * |
| * Returns the first or next lun enabled for OAS operations for the vport/target |
| * specified. If a lun is found, its vport wwpn, target wwpn and status is |
| * returned. If the lun is not found, NOT_OAS_ENABLED_LUN is returned. |
| * |
| * Return: |
| * lun that is OAS enabled for the vport/target |
| * NOT_OAS_ENABLED_LUN when no oas enabled lun found. |
| */ |
| static uint64_t |
| lpfc_oas_lun_get_next(struct lpfc_hba *phba, uint8_t vpt_wwpn[], |
| uint8_t tgt_wwpn[], uint32_t *lun_status, |
| uint32_t *lun_pri) |
| { |
| uint64_t found_lun; |
| |
| if (unlikely(!phba) || !vpt_wwpn || !tgt_wwpn) |
| return NOT_OAS_ENABLED_LUN; |
| if (lpfc_find_next_oas_lun(phba, (struct lpfc_name *) |
| phba->sli4_hba.oas_next_vpt_wwpn, |
| (struct lpfc_name *) |
| phba->sli4_hba.oas_next_tgt_wwpn, |
| &phba->sli4_hba.oas_next_lun, |
| (struct lpfc_name *)vpt_wwpn, |
| (struct lpfc_name *)tgt_wwpn, |
| &found_lun, lun_status, lun_pri)) |
| return found_lun; |
| else |
| return NOT_OAS_ENABLED_LUN; |
| } |
| |
| /** |
| * lpfc_oas_lun_state_change - enable/disable a lun for OAS operations |
| * @phba: lpfc_hba pointer. |
| * @vpt_wwpn: vport wwpn by reference. |
| * @tgt_wwpn: target wwpn by reference. |
| * @lun: the fc lun for setting oas state. |
| * @oas_state: the oas state to be set to the oas_lun. |
| * |
| * This routine enables (OAS_LUN_ENABLE) or disables (OAS_LUN_DISABLE) |
| * a lun for OAS operations. |
| * |
| * Return: |
| * SUCCESS: 0 |
| * -ENOMEM: failed to enable an lun for OAS operations |
| * -EPERM: OAS is not enabled |
| */ |
| static ssize_t |
| lpfc_oas_lun_state_change(struct lpfc_hba *phba, uint8_t vpt_wwpn[], |
| uint8_t tgt_wwpn[], uint64_t lun, |
| uint32_t oas_state, uint8_t pri) |
| { |
| |
| int rc; |
| |
| rc = lpfc_oas_lun_state_set(phba, vpt_wwpn, tgt_wwpn, lun, |
| oas_state, pri); |
| return rc; |
| } |
| |
| /** |
| * lpfc_oas_lun_show - Return oas enabled luns from a chosen target |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: buffer for passing information. |
| * |
| * This routine returns a lun enabled for OAS each time the function |
| * is called. |
| * |
| * Returns: |
| * SUCCESS: size of formatted string. |
| * -EFAULT: target or vport wwpn was not set properly. |
| * -EPERM: oas is not enabled. |
| **/ |
| static ssize_t |
| lpfc_oas_lun_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; |
| |
| uint64_t oas_lun; |
| int len = 0; |
| |
| if (!phba->cfg_fof) |
| return -EPERM; |
| |
| if (wwn_to_u64(phba->cfg_oas_vpt_wwpn) == 0) |
| if (!(phba->cfg_oas_flags & OAS_FIND_ANY_VPORT)) |
| return -EFAULT; |
| |
| if (wwn_to_u64(phba->cfg_oas_tgt_wwpn) == 0) |
| if (!(phba->cfg_oas_flags & OAS_FIND_ANY_TARGET)) |
| return -EFAULT; |
| |
| 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_priority); |
| if (oas_lun != NOT_OAS_ENABLED_LUN) |
| phba->cfg_oas_flags |= OAS_LUN_VALID; |
| |
| len += snprintf(buf + len, PAGE_SIZE-len, "0x%llx", oas_lun); |
| |
| return len; |
| } |
| |
| /** |
| * lpfc_oas_lun_store - Sets the OAS state for lun |
| * @dev: class device that is converted into a Scsi_host. |
| * @attr: device attribute, not used. |
| * @buf: buffer for passing information. |
| * |
| * This function sets the OAS state for lun. Before this function is called, |
| * the vport wwpn, target wwpn, and oas state need to be set. |
| * |
| * Returns: |
| * SUCCESS: size of formatted string. |
| * -EFAULT: target or vport wwpn was not set properly. |
| * -EPERM: oas is not enabled. |
| * size of formatted string. |
| **/ |
| static ssize_t |
| lpfc_oas_lun_store(struct device *dev, struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| 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) |
| return -EPERM; |
| |
| if (wwn_to_u64(phba->cfg_oas_vpt_wwpn) == 0) |
| return -EFAULT; |
| |
| if (wwn_to_u64(phba->cfg_oas_tgt_wwpn) == 0) |
| return -EFAULT; |
| |
| if (!isdigit(buf[0])) |
| return -EINVAL; |
| |
| 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, |
| 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, pri); |
| if (rc) |
| return rc; |
| |
| return count; |
| } |
| 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:" |
| " 0 - none," |
| " 1 - poll with interrupts enabled" |
| " 3 - poll and disable FCP ring interrupts"); |
| |
| static DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR, |
| lpfc_poll_show, lpfc_poll_store); |
| |
| int lpfc_no_hba_reset_cnt; |
| unsigned long lpfc_no_hba_reset[MAX_HBAS_NO_RESET] = { |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; |
| module_param_array(lpfc_no_hba_reset, ulong, &lpfc_no_hba_reset_cnt, 0444); |
| MODULE_PARM_DESC(lpfc_no_hba_reset, "WWPN of HBAs that should not be reset"); |
| |
| LPFC_ATTR(sli_mode, 0, 0, 3, |
| "SLI mode selector:" |
| " 0 - auto (SLI-3 if supported)," |
| " 2 - select SLI-2 even on SLI-3 capable HBAs," |
| " 3 - select SLI-3"); |
| |
| LPFC_ATTR_R(enable_npiv, 1, 0, 1, |
| "Enable NPIV functionality"); |
| |
| LPFC_ATTR_R(fcf_failover_policy, 1, 1, 2, |
| "FCF Fast failover=1 Priority failover=2"); |
| |
| /* |
| # lpfc_enable_rrq: Track XRI/OXID reuse after IO failures |
| # 0x0 = disabled, XRI/OXID use not tracked. |
| # 0x1 = XRI/OXID reuse is timed with ratov, RRQ sent. |
| # 0x2 = XRI/OXID reuse is timed with ratov, No RRQ sent. |
| */ |
| LPFC_ATTR_R(enable_rrq, 2, 0, 2, |
| "Enable RRQ functionality"); |
| |
|