| /******************************************************************* |
| * This file is part of the Emulex Linux Device Driver for * |
| * Fibre Channel Host Bus Adapters. * |
| * Copyright (C) 2004-2005 Emulex. All rights reserved. * |
| * EMULEX and SLI are trademarks of Emulex. * |
| * www.emulex.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/pci.h> |
| #include <linux/interrupt.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 "lpfc_hw.h" |
| #include "lpfc_sli.h" |
| #include "lpfc_disc.h" |
| #include "lpfc_scsi.h" |
| #include "lpfc.h" |
| #include "lpfc_logmsg.h" |
| #include "lpfc_version.h" |
| #include "lpfc_compat.h" |
| #include "lpfc_crtn.h" |
| |
| |
| 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; |
| } |
| |
| static ssize_t |
| lpfc_drvr_version_show(struct class_device *cdev, char *buf) |
| { |
| return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n"); |
| } |
| |
| static ssize_t |
| management_version_show(struct class_device *cdev, char *buf) |
| { |
| return snprintf(buf, PAGE_SIZE, DFC_API_VERSION "\n"); |
| } |
| |
| static ssize_t |
| lpfc_info_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host)); |
| } |
| |
| static ssize_t |
| lpfc_serialnum_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber); |
| } |
| |
| static ssize_t |
| lpfc_modeldesc_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc); |
| } |
| |
| static ssize_t |
| lpfc_modelname_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName); |
| } |
| |
| static ssize_t |
| lpfc_programtype_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType); |
| } |
| |
| static ssize_t |
| lpfc_portnum_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port); |
| } |
| |
| static ssize_t |
| lpfc_fwrev_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| char fwrev[32]; |
| lpfc_decode_firmware_rev(phba, fwrev, 1); |
| return snprintf(buf, PAGE_SIZE, "%s\n",fwrev); |
| } |
| |
| static ssize_t |
| lpfc_hdw_show(struct class_device *cdev, char *buf) |
| { |
| char hdw[9]; |
| struct Scsi_Host *host = class_to_shost(cdev); |
| struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| lpfc_vpd_t *vp = &phba->vpd; |
| lpfc_jedec_to_ascii(vp->rev.biuRev, hdw); |
| return snprintf(buf, PAGE_SIZE, "%s\n", hdw); |
| } |
| static ssize_t |
| lpfc_option_rom_version_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion); |
| } |
| static ssize_t |
| lpfc_state_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| int len = 0; |
| switch (phba->hba_state) { |
| case LPFC_INIT_START: |
| case LPFC_INIT_MBX_CMDS: |
| case LPFC_LINK_DOWN: |
| len += snprintf(buf + len, PAGE_SIZE-len, "Link Down\n"); |
| break; |
| case LPFC_LINK_UP: |
| case LPFC_LOCAL_CFG_LINK: |
| len += snprintf(buf + len, PAGE_SIZE-len, "Link Up\n"); |
| break; |
| 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: |
| case LPFC_CLEAR_LA: |
| len += snprintf(buf + len, PAGE_SIZE-len, |
| "Link Up - Discovery\n"); |
| break; |
| case LPFC_HBA_READY: |
| len += snprintf(buf + len, PAGE_SIZE-len, |
| "Link Up - Ready:\n"); |
| if (phba->fc_topology == TOPOLOGY_LOOP) { |
| if (phba->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 (phba->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; |
| } |
| |
| static ssize_t |
| lpfc_num_discovered_ports_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| return snprintf(buf, PAGE_SIZE, "%d\n", phba->fc_map_cnt + |
| phba->fc_unmap_cnt); |
| } |
| |
| |
| static ssize_t |
| lpfc_issue_lip (struct class_device *cdev, const char *buf, size_t count) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| struct lpfc_hba *phba = (struct lpfc_hba *) host->hostdata[0]; |
| int val = 0; |
| LPFC_MBOXQ_t *pmboxq; |
| int mbxstatus = MBXERR_ERROR; |
| |
| if ((sscanf(buf, "%d", &val) != 1) || |
| (val != 1)) |
| return -EINVAL; |
| |
| if ((phba->fc_flag & FC_OFFLINE_MODE) || |
| (phba->hba_state != LPFC_HBA_READY)) |
| return -EPERM; |
| |
| pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); |
| |
| if (!pmboxq) |
| return -ENOMEM; |
| |
| 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_TIMEOUT) |
| pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| else |
| mempool_free( pmboxq, phba->mbox_mem_pool); |
| |
| if (mbxstatus == MBXERR_ERROR) |
| return -EIO; |
| |
| return strlen(buf); |
| } |
| |
| static ssize_t |
| lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); |
| } |
| |
| static ssize_t |
| lpfc_board_online_show(struct class_device *cdev, char *buf) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| |
| if (!phba) return 0; |
| |
| if (phba->fc_flag & FC_OFFLINE_MODE) |
| return snprintf(buf, PAGE_SIZE, "0\n"); |
| else |
| return snprintf(buf, PAGE_SIZE, "1\n"); |
| } |
| |
| static ssize_t |
| lpfc_board_online_store(struct class_device *cdev, const char *buf, |
| size_t count) |
| { |
| struct Scsi_Host *host = class_to_shost(cdev); |
| struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| struct completion online_compl; |
| int val=0, status=0; |
| |
| if (sscanf(buf, "%d", &val) != 1) |
| return 0; |
| |
| init_completion(&online_compl); |
| |
| if (val) |
| lpfc_workq_post_event(phba, &status, &online_compl, |
| LPFC_EVT_ONLINE); |
| else |
| lpfc_workq_post_event(phba, &status, &online_compl, |
| LPFC_EVT_OFFLINE); |
| wait_for_completion(&online_compl); |
| if (!status) |
| return strlen(buf); |
| else |
| return 0; |
| } |
| |
| |
| #define lpfc_param_show(attr) \ |
| static ssize_t \ |
| lpfc_##attr##_show(struct class_device *cdev, char *buf) \ |
| { \ |
| struct Scsi_Host *host = class_to_shost(cdev);\ |
| struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\ |
| int val = 0;\ |
| if (phba){\ |
| val = phba->cfg_##attr;\ |
| return snprintf(buf, PAGE_SIZE, "%d\n",\ |
| phba->cfg_##attr);\ |
| }\ |
| return 0;\ |
| } |
| |
| #define lpfc_param_store(attr, minval, maxval) \ |
| static ssize_t \ |
| lpfc_##attr##_store(struct class_device *cdev, const char *buf, size_t count) \ |
| { \ |
| struct Scsi_Host *host = class_to_shost(cdev);\ |
| struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0];\ |
| int val = 0;\ |
| if (!isdigit(buf[0]))\ |
| return -EINVAL;\ |
| if (sscanf(buf, "0x%x", &val) != 1)\ |
| if (sscanf(buf, "%d", &val) != 1)\ |
| return -EINVAL;\ |
| if (phba){\ |
| if (val >= minval && val <= maxval) {\ |
| phba->cfg_##attr = val;\ |
| return strlen(buf);\ |
| }\ |
| }\ |
| return 0;\ |
| } |
| |
| #define LPFC_ATTR_R_NOINIT(name, desc) \ |
| extern int lpfc_##name;\ |
| module_param(lpfc_##name, int, 0);\ |
| MODULE_PARM_DESC(lpfc_##name, desc);\ |
| lpfc_param_show(name)\ |
| static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
| |
| #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \ |
| static int lpfc_##name = defval;\ |
| module_param(lpfc_##name, int, 0);\ |
| MODULE_PARM_DESC(lpfc_##name, desc);\ |
| lpfc_param_show(name)\ |
| static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL) |
| |
| #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \ |
| static int lpfc_##name = defval;\ |
| module_param(lpfc_##name, int, 0);\ |
| MODULE_PARM_DESC(lpfc_##name, desc);\ |
| lpfc_param_show(name)\ |
| lpfc_param_store(name, minval, maxval)\ |
| static CLASS_DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\ |
| lpfc_##name##_show, lpfc_##name##_store) |
| |
| static CLASS_DEVICE_ATTR(info, S_IRUGO, lpfc_info_show, NULL); |
| static CLASS_DEVICE_ATTR(serialnum, S_IRUGO, lpfc_serialnum_show, NULL); |
| static CLASS_DEVICE_ATTR(modeldesc, S_IRUGO, lpfc_modeldesc_show, NULL); |
| static CLASS_DEVICE_ATTR(modelname, S_IRUGO, lpfc_modelname_show, NULL); |
| static CLASS_DEVICE_ATTR(programtype, S_IRUGO, lpfc_programtype_show, NULL); |
| static CLASS_DEVICE_ATTR(portnum, S_IRUGO, lpfc_portnum_show, NULL); |
| static CLASS_DEVICE_ATTR(fwrev, S_IRUGO, lpfc_fwrev_show, NULL); |
| static CLASS_DEVICE_ATTR(hdw, S_IRUGO, lpfc_hdw_show, NULL); |
| static CLASS_DEVICE_ATTR(state, S_IRUGO, lpfc_state_show, NULL); |
| static CLASS_DEVICE_ATTR(option_rom_version, S_IRUGO, |
| lpfc_option_rom_version_show, NULL); |
| static CLASS_DEVICE_ATTR(num_discovered_ports, S_IRUGO, |
| lpfc_num_discovered_ports_show, NULL); |
| static CLASS_DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL); |
| static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, |
| NULL); |
| static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show, |
| NULL); |
| static CLASS_DEVICE_ATTR(issue_lip, S_IWUSR, NULL, lpfc_issue_lip); |
| static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR, |
| lpfc_board_online_show, lpfc_board_online_store); |
| |
| |
| /* |
| # lpfc_log_verbose: Only turn this flag on if you are willing to risk being |
| # deluged with LOTS of information. |
| # You can set a bit mask to record specific types of verbose messages: |
| # |
| # LOG_ELS 0x1 ELS events |
| # LOG_DISCOVERY 0x2 Link discovery events |
| # LOG_MBOX 0x4 Mailbox events |
| # LOG_INIT 0x8 Initialization events |
| # LOG_LINK_EVENT 0x10 Link events |
| # LOG_IP 0x20 IP traffic history |
| # LOG_FCP 0x40 FCP traffic history |
| # LOG_NODE 0x80 Node table events |
| # LOG_MISC 0x400 Miscellaneous events |
| # LOG_SLI 0x800 SLI events |
| # LOG_CHK_COND 0x1000 FCP Check condition flag |
| # LOG_LIBDFC 0x2000 LIBDFC events |
| # LOG_ALL_MSG 0xffff LOG all messages |
| */ |
| LPFC_ATTR_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask"); |
| |
| /* |
| # lun_queue_depth: This parameter is used to limit the number of outstanding |
| # commands per FCP LUN. Value range is [1,128]. Default value is 30. |
| */ |
| LPFC_ATTR_R(lun_queue_depth, 30, 1, 128, |
| "Max number of FCP commands we can queue to a specific LUN"); |
| |
| /* |
| # Some disk devices have a "select ID" or "select Target" capability. |
| # From a protocol standpoint "select ID" usually means select the |
| # Fibre channel "ALPA". In the FC-AL Profile there is an "informative |
| # annex" which contains a table that maps a "select ID" (a number |
| # between 0 and 7F) to an ALPA. By default, for compatibility with |
| # older drivers, the lpfc driver scans this table from low ALPA to high |
| # ALPA. |
| # |
| # Turning on the scan-down variable (on = 1, off = 0) will |
| # cause the lpfc driver to use an inverted table, effectively |
| # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1. |
| # |
| # (Note: This "select ID" functionality is a LOOP ONLY characteristic |
| # and will not work across a fabric. Also this parameter will take |
| # effect only in the case when ALPA map is not available.) |
| */ |
| LPFC_ATTR_R(scan_down, 1, 0, 1, |
| "Start scanning for devices from highest ALPA to lowest"); |
| |
| /* |
| # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear |
| # until the timer expires. Value range is [0,255]. Default value is 20. |
| # NOTE: this MUST be less then the SCSI Layer command timeout - 1. |
| */ |
| LPFC_ATTR_RW(nodev_tmo, 30, 0, 255, |
| "Seconds driver will hold I/O waiting for a device to come back"); |
| |
| /* |
| # lpfc_topology: link topology for init link |
| # 0x0 = attempt loop mode then point-to-point |
| # 0x02 = attempt point-to-point mode only |
| # 0x04 = attempt loop mode only |
| # 0x06 = attempt point-to-point mode then loop |
| # Set point-to-point mode if you want to run as an N_Port. |
| # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. |
| # Default value is 0. |
| */ |
| LPFC_ATTR_R(topology, 0, 0, 6, "Select Fibre Channel topology"); |
| |
| /* |
| # lpfc_link_speed: Link speed selection for initializing the Fibre Channel |
| # connection. |
| # 0 = auto select (default) |
| # 1 = 1 Gigabaud |
| # 2 = 2 Gigabaud |
| # 4 = 4 Gigabaud |
| # Value range is [0,4]. Default value is 0. |
| */ |
| LPFC_ATTR_R(link_speed, 0, 0, 4, "Select link speed"); |
| |
| /* |
| # lpfc_fcp_class: Determines FC class to use for the FCP protocol. |
| # Value range is [2,3]. Default value is 3. |
| */ |
| LPFC_ATTR_R(fcp_class, 3, 2, 3, |
| "Select Fibre Channel class of service for FCP sequences"); |
| |
| /* |
| # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range |
| # is [0,1]. Default value is 0. |
| */ |
| LPFC_ATTR_RW(use_adisc, 0, 0, 1, |
| "Use ADISC on rediscovery to authenticate FCP devices"); |
| |
| /* |
| # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value |
| # range is [0,1]. Default value is 0. |
| */ |
| LPFC_ATTR_R(ack0, 0, 0, 1, "Enable ACK0 support"); |
| |
| /* |
| # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing |
| # cr_delay (msec) or cr_count outstanding commands. cr_delay can take |
| # value [0,63]. cr_count can take value [0,255]. Default value of cr_delay |
| # is 0. Default value of cr_count is 1. The cr_count feature is disabled if |
| # cr_delay is set to 0. |
| */ |
| static int lpfc_cr_delay = 0; |
| module_param(lpfc_cr_delay, int , 0); |
| MODULE_PARM_DESC(lpfc_cr_delay, "A count of milliseconds after which an " |
| "interrupt response is generated"); |
| |
| static int lpfc_cr_count = 1; |
| module_param(lpfc_cr_count, int, 0); |
| MODULE_PARM_DESC(lpfc_cr_count, "A count of I/O completions after which an " |
| "interrupt response is generated"); |
| |
| /* |
| # lpfc_fdmi_on: controls FDMI support. |
| # 0 = no FDMI support |
| # 1 = support FDMI without attribute of hostname |
| # 2 = support FDMI with attribute of hostname |
| # Value range [0,2]. Default value is 0. |
| */ |
| LPFC_ATTR_RW(fdmi_on, 0, 0, 2, "Enable FDMI support"); |
| |
| /* |
| # Specifies the maximum number of ELS cmds we can have outstanding (for |
| # discovery). Value range is [1,64]. Default value = 32. |
| */ |
| static int lpfc_discovery_threads = 32; |
| module_param(lpfc_discovery_threads, int, 0); |
| MODULE_PARM_DESC(lpfc_discovery_threads, "Maximum number of ELS commands " |
| "during discovery"); |
| |
| /* |
| # lpfc_max_luns: maximum number of LUNs per target driver will support |
| # Value range is [1,32768]. Default value is 256. |
| # NOTE: The SCSI layer will scan each target for this many luns |
| */ |
| LPFC_ATTR_R(max_luns, 256, 1, 32768, |
| "Maximum number of LUNs per target driver will support"); |
| |
| struct class_device_attribute *lpfc_host_attrs[] = { |
| &class_device_attr_info, |
| &class_device_attr_serialnum, |
| &class_device_attr_modeldesc, |
| &class_device_attr_modelname, |
| &class_device_attr_programtype, |
| &class_device_attr_portnum, |
| &class_device_attr_fwrev, |
| &class_device_attr_hdw, |
| &class_device_attr_option_rom_version, |
| &class_device_attr_state, |
| &class_device_attr_num_discovered_ports, |
| &class_device_attr_lpfc_drvr_version, |
| &class_device_attr_lpfc_log_verbose, |
| &class_device_attr_lpfc_lun_queue_depth, |
| &class_device_attr_lpfc_nodev_tmo, |
| &class_device_attr_lpfc_fcp_class, |
| &class_device_attr_lpfc_use_adisc, |
| &class_device_attr_lpfc_ack0, |
| &class_device_attr_lpfc_topology, |
| &class_device_attr_lpfc_scan_down, |
| &class_device_attr_lpfc_link_speed, |
| &class_device_attr_lpfc_fdmi_on, |
| &class_device_attr_lpfc_max_luns, |
| &class_device_attr_nport_evt_cnt, |
| &class_device_attr_management_version, |
| &class_device_attr_issue_lip, |
| &class_device_attr_board_online, |
| NULL, |
| }; |
| |
| static ssize_t |
| sysfs_ctlreg_write(struct kobject *kobj, char *buf, loff_t off, size_t count) |
| { |
| size_t buf_off; |
| struct Scsi_Host *host = class_to_shost(container_of(kobj, |
| struct class_device, kobj)); |
| struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| |
| if ((off + count) > FF_REG_AREA_SIZE) |
| return -ERANGE; |
| |
| if (count == 0) return 0; |
| |
| if (off % 4 || count % 4 || (unsigned long)buf % 4) |
| return -EINVAL; |
| |
| spin_lock_irq(phba->host->host_lock); |
| |
| if (!(phba->fc_flag & FC_OFFLINE_MODE)) { |
| spin_unlock_irq(phba->host->host_lock); |
| return -EPERM; |
| } |
| |
| for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) |
| writel(*((uint32_t *)(buf + buf_off)), |
| phba->ctrl_regs_memmap_p + off + buf_off); |
| |
| spin_unlock_irq(phba->host->host_lock); |
| |
| return count; |
| } |
| |
| static ssize_t |
| sysfs_ctlreg_read(struct kobject *kobj, char *buf, loff_t off, size_t count) |
| { |
| size_t buf_off; |
| uint32_t * tmp_ptr; |
| struct Scsi_Host *host = class_to_shost(container_of(kobj, |
| struct class_device, kobj)); |
| struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| |
| if (off > FF_REG_AREA_SIZE) |
| return -ERANGE; |
| |
| if ((off + count) > FF_REG_AREA_SIZE) |
| count = FF_REG_AREA_SIZE - off; |
| |
| if (count == 0) return 0; |
| |
| if (off % 4 || count % 4 || (unsigned long)buf % 4) |
| return -EINVAL; |
| |
| spin_lock_irq(phba->host->host_lock); |
| |
| for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) { |
| tmp_ptr = (uint32_t *)(buf + buf_off); |
| *tmp_ptr = readl(phba->ctrl_regs_memmap_p + off + buf_off); |
| } |
| |
| spin_unlock_irq(phba->host->host_lock); |
| |
| return count; |
| } |
| |
| static struct bin_attribute sysfs_ctlreg_attr = { |
| .attr = { |
| .name = "ctlreg", |
| .mode = S_IRUSR | S_IWUSR, |
| .owner = THIS_MODULE, |
| }, |
| .size = 256, |
| .read = sysfs_ctlreg_read, |
| .write = sysfs_ctlreg_write, |
| }; |
| |
| |
| static void |
| sysfs_mbox_idle (struct lpfc_hba * phba) |
| { |
| phba->sysfs_mbox.state = SMBOX_IDLE; |
| phba->sysfs_mbox.offset = 0; |
| |
| if (phba->sysfs_mbox.mbox) { |
| mempool_free(phba->sysfs_mbox.mbox, |
| phba->mbox_mem_pool); |
| phba->sysfs_mbox.mbox = NULL; |
| } |
| } |
| |
| static ssize_t |
| sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count) |
| { |
| struct Scsi_Host * host = |
| class_to_shost(container_of(kobj, struct class_device, kobj)); |
| struct lpfc_hba * phba = (struct lpfc_hba*)host->hostdata[0]; |
| struct lpfcMboxq * mbox = NULL; |
| |
| if ((count + off) > MAILBOX_CMD_SIZE) |
| return -ERANGE; |
| |
| if (off % 4 || count % 4 || (unsigned long)buf % 4) |
| return -EINVAL; |
| |
| if (count == 0) |
| return 0; |
| |
| if (off == 0) { |
| mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| if (!mbox) |
| return -ENOMEM; |
| |
| } |
| |
| spin_lock_irq(host->host_lock); |
| |
| if (off == 0) { |
| if (phba->sysfs_mbox.mbox) |
| mempool_free(mbox, phba->mbox_mem_pool); |
| else |
| phba->sysfs_mbox.mbox = mbox; |
| phba->sysfs_mbox.state = SMBOX_WRITING; |
| } else { |
| if (phba->sysfs_mbox.state != SMBOX_WRITING || |
| phba->sysfs_mbox.offset != off || |
| phba->sysfs_mbox.mbox == NULL ) { |
| sysfs_mbox_idle(phba); |
| spin_unlock_irq(host->host_lock); |
| return -EINVAL; |
| } |
| } |
| |
| memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off, |
| buf, count); |
| |
| phba->sysfs_mbox.offset = off + count; |
| |
| spin_unlock_irq(host->host_lock); |
| |
| return count; |
| } |
| |
| static ssize_t |
| sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count) |
| { |
| struct Scsi_Host *host = |
| class_to_shost(container_of(kobj, struct class_device, |
| kobj)); |
| struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata[0]; |
| int rc; |
| |
| if (off > sizeof(MAILBOX_t)) |
| return -ERANGE; |
| |
| if ((count + off) > sizeof(MAILBOX_t)) |
| count = sizeof(MAILBOX_t) - off; |
| |
| if (off % 4 || count % 4 || (unsigned long)buf % 4) |
| return -EINVAL; |
| |
| if (off && count == 0) |
| return 0; |
| |
| spin_lock_irq(phba->host->host_lock); |
| |
| if (off == 0 && |
| phba->sysfs_mbox.state == SMBOX_WRITING && |
| phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) { |
| |
| switch (phba->sysfs_mbox.mbox->mb.mbxCommand) { |
| /* Offline only */ |
| case MBX_WRITE_NV: |
| case MBX_INIT_LINK: |
| case MBX_DOWN_LINK: |
| case MBX_CONFIG_LINK: |
| case MBX_CONFIG_RING: |
| case MBX_RESET_RING: |
| case MBX_UNREG_LOGIN: |
| case MBX_CLEAR_LA: |
| case MBX_DUMP_CONTEXT: |
| case MBX_RUN_DIAGS: |
| case MBX_RESTART: |
| case MBX_FLASH_WR_ULA: |
| case MBX_SET_MASK: |
| case MBX_SET_SLIM: |
| case MBX_SET_DEBUG: |
| if (!(phba->fc_flag & FC_OFFLINE_MODE)) { |
| printk(KERN_WARNING "mbox_read:Command 0x%x " |
| "is illegal in on-line state\n", |
| phba->sysfs_mbox.mbox->mb.mbxCommand); |
| sysfs_mbox_idle(phba); |
| spin_unlock_irq(phba->host->host_lock); |
| return -EPERM; |
| } |
| case MBX_LOAD_SM: |
| case MBX_READ_NV: |
| case MBX_READ_CONFIG: |
| case MBX_READ_RCONFIG: |
| case MBX_READ_STATUS: |
| case MBX_READ_XRI: |
| case MBX_READ_REV: |
| case MBX_READ_LNK_STAT: |
| case MBX_DUMP_MEMORY: |
| case MBX_DOWN_LOAD: |
| case MBX_UPDATE_CFG: |
| case MBX_LOAD_AREA: |
| case MBX_LOAD_EXP_ROM: |
| break; |
| case MBX_READ_SPARM64: |
| case MBX_READ_LA: |
| case MBX_READ_LA64: |
| case MBX_REG_LOGIN: |
| case MBX_REG_LOGIN64: |
| case MBX_CONFIG_PORT: |
| case MBX_RUN_BIU_DIAG: |
| printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n", |
| phba->sysfs_mbox.mbox->mb.mbxCommand); |
| sysfs_mbox_idle(phba); |
| spin_unlock_irq(phba->host->host_lock); |
| return -EPERM; |
| default: |
| printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n", |
| phba->sysfs_mbox.mbox->mb.mbxCommand); |
| sysfs_mbox_idle(phba); |
| spin_unlock_irq(phba->host->host_lock); |
| return -EPERM; |
| } |
| |
| if ((phba->fc_flag & FC_OFFLINE_MODE) || |
| (!(phba->sli.sli_flag & LPFC_SLI2_ACTIVE))){ |
| |
| spin_unlock_irq(phba->host->host_lock); |
| rc = lpfc_sli_issue_mbox (phba, |
| phba->sysfs_mbox.mbox, |
| MBX_POLL); |
| spin_lock_irq(phba->host->host_lock); |
| |
| } else { |
| spin_unlock_irq(phba->host->host_lock); |
| rc = lpfc_sli_issue_mbox_wait (phba, |
| phba->sysfs_mbox.mbox, |
| phba->fc_ratov * 2); |
| spin_lock_irq(phba->host->host_lock); |
| } |
| |
| if (rc != MBX_SUCCESS) { |
| sysfs_mbox_idle(phba); |
| spin_unlock_irq(host->host_lock); |
| return -ENODEV; |
| } |
| phba->sysfs_mbox.state = SMBOX_READING; |
| } |
| else if (phba->sysfs_mbox.offset != off || |
| phba->sysfs_mbox.state != SMBOX_READING) { |
| printk(KERN_WARNING "mbox_read: Bad State\n"); |
| sysfs_mbox_idle(phba); |
| spin_unlock_irq(host->host_lock); |
| return -EINVAL; |
| } |
| |
| memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count); |
| |
| phba->sysfs_mbox.offset = off + count; |
| |
| if (phba->sysfs_mbox.offset == sizeof(MAILBOX_t)) |
| sysfs_mbox_idle(phba); |
| |
| spin_unlock_irq(phba->host->host_lock); |
| |
| return count; |
| } |
| |
| static struct bin_attribute sysfs_mbox_attr = { |
| .attr = { |
| .name = "mbox", |
| .mode = S_IRUSR | S_IWUSR, |
| .owner = THIS_MODULE, |
| }, |
| .size = sizeof(MAILBOX_t), |
| .read = sysfs_mbox_read, |
| .write = sysfs_mbox_write, |
| }; |
| |
| int |
| lpfc_alloc_sysfs_attr(struct lpfc_hba *phba) |
| { |
| struct Scsi_Host *host = phba->host; |
| int error; |
| |
| error = sysfs_create_bin_file(&host->shost_classdev.kobj, |
| &sysfs_ctlreg_attr); |
| if (error) |
| goto out; |
| |
| error = sysfs_create_bin_file(&host->shost_classdev.kobj, |
| &sysfs_mbox_attr); |
| if (error) |
| goto out_remove_ctlreg_attr; |
| |
| return 0; |
| out_remove_ctlreg_attr: |
| sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr); |
| out: |
| return error; |
| } |
| |
| void |
| lpfc_free_sysfs_attr(struct lpfc_hba *phba) |
| { |
| struct Scsi_Host *host = phba->host; |
| |
| sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_mbox_attr); |
| sysfs_remove_bin_file(&host->shost_classdev.kobj, &sysfs_ctlreg_attr); |
| } |
| |
| |
| /* |
| * Dynamic FC Host Attributes Support |
| */ |
| |
| static void |
| lpfc_get_host_port_id(struct Scsi_Host *shost) |
| { |
| struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0]; |
| /* note: fc_myDID already in cpu endianness */ |
| fc_host_port_id(shost) = phba->fc_myDID; |
| } |
| |
| static void |
| lpfc_get_host_port_type(struct Scsi_Host *shost) |
| { |
| struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0]; |
| |
| spin_lock_irq(shost->host_lock); |
| |
| if (phba->hba_state == LPFC_HBA_READY) { |
| if (phba->fc_topology == TOPOLOGY_LOOP) { |
| if (phba->fc_flag & FC_PUBLIC_LOOP) |
| fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; |
| else |
| fc_host_port_type(shost) = FC_PORTTYPE_LPORT; |
| } else { |
| if (phba->fc_flag & FC_FABRIC) |
| fc_host_port_type(shost) = FC_PORTTYPE_NPORT; |
| else |
| fc_host_port_type(shost) = FC_PORTTYPE_PTP; |
| } |
| } else |
| fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; |
| |
| spin_unlock_irq(shost->host_lock); |
| } |
| |
| static void |
| lpfc_get_host_port_state(struct Scsi_Host *shost) |
| { |
| struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0]; |
| |
| spin_lock_irq(shost->host_lock); |
| |
| if (phba->fc_flag & FC_OFFLINE_MODE) |
| fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; |
| else { |
| switch (phba->hba_state) { |
| case LPFC_INIT_START: |
| case LPFC_INIT_MBX_CMDS: |
| case LPFC_LINK_DOWN: |
| fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; |
| break; |
| case LPFC_LINK_UP: |
| case LPFC_LOCAL_CFG_LINK: |
| 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: |
| case LPFC_CLEAR_LA: |
| case LPFC_HBA_READY: |
| /* Links up, beyond this port_type reports state */ |
| fc_host_port_state(shost) = FC_PORTSTATE_ONLINE; |
| break; |
| case LPFC_HBA_ERROR: |
| fc_host_port_state(shost) = FC_PORTSTATE_ERROR; |
| break; |
| default: |
| fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; |
| break; |
| } |
| } |
| |
| spin_unlock_irq(shost->host_lock); |
| } |
| |
| static void |
| lpfc_get_host_speed(struct Scsi_Host *shost) |
| { |
| struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0]; |
| |
| spin_lock_irq(shost->host_lock); |
| |
| if (phba->hba_state == LPFC_HBA_READY) { |
| switch(phba->fc_linkspeed) { |
| case LA_1GHZ_LINK: |
| fc_host_speed(shost) = FC_PORTSPEED_1GBIT; |
| break; |
| case LA_2GHZ_LINK: |
| fc_host_speed(shost) = FC_PORTSPEED_2GBIT; |
| break; |
| case LA_4GHZ_LINK: |
| fc_host_speed(shost) = FC_PORTSPEED_4GBIT; |
| break; |
| default: |
| fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; |
| break; |
| } |
| } |
| |
| spin_unlock_irq(shost->host_lock); |
| } |
| |
| static void |
| lpfc_get_host_fabric_name (struct Scsi_Host *shost) |
| { |
| struct lpfc_hba *phba = (struct lpfc_hba*)shost->hostdata[0]; |
| u64 nodename; |
| |
| spin_lock_irq(shost->host_lock); |
| |
| if ((phba->fc_flag & FC_FABRIC) || |
| ((phba->fc_topology == TOPOLOGY_LOOP) && |
| (phba->fc_flag & FC_PUBLIC_LOOP))) |
| memcpy(&nodename, &phba->fc_fabparam.nodeName, sizeof(u64)); |
| else |
| /* fabric is local port if there is no F/FL_Port */ |
| memcpy(&nodename, &phba->fc_nodename, sizeof(u64)); |
| |
| spin_unlock_irq(shost->host_lock); |
| |
| fc_host_fabric_name(shost) = be64_to_cpu(nodename); |
| } |
| |
| |
| static struct fc_host_statistics * |
| lpfc_get_stats(struct Scsi_Host *shost) |
| { |
| struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0]; |
| struct lpfc_sli *psli = &phba->sli; |
| struct fc_host_statistics *hs = &phba->link_stats; |
| LPFC_MBOXQ_t *pmboxq; |
| MAILBOX_t *pmb; |
| int rc=0; |
| |
| pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| if (!pmboxq) |
| return NULL; |
| memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
| |
| pmb = &pmboxq->mb; |
| pmb->mbxCommand = MBX_READ_STATUS; |
| pmb->mbxOwner = OWN_HOST; |
| pmboxq->context1 = NULL; |
| |
| if ((phba->fc_flag & FC_OFFLINE_MODE) || |
| (!(psli->sli_flag & LPFC_SLI2_ACTIVE))){ |
| rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
| } else |
| rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
| |
| if (rc != MBX_SUCCESS) { |
| if (pmboxq) { |
| if (rc == MBX_TIMEOUT) |
| pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| else |
| mempool_free( pmboxq, phba->mbox_mem_pool); |
| } |
| return NULL; |
| } |
| |
| memset(hs, 0, sizeof (struct fc_host_statistics)); |
| |
| hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt; |
| hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256); |
| hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt; |
| hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256); |
| |
| memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); |
| pmb->mbxCommand = MBX_READ_LNK_STAT; |
| pmb->mbxOwner = OWN_HOST; |
| pmboxq->context1 = NULL; |
| |
| if ((phba->fc_flag & FC_OFFLINE_MODE) || |
| (!(psli->sli_flag & LPFC_SLI2_ACTIVE))) { |
| rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); |
| } else |
| rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); |
| |
| if (rc != MBX_SUCCESS) { |
| if (pmboxq) { |
| if (rc == MBX_TIMEOUT) |
| pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| else |
| mempool_free( pmboxq, phba->mbox_mem_pool); |
| } |
| return NULL; |
| } |
| |
| hs->link_failure_count = pmb->un.varRdLnk.linkFailureCnt; |
| hs->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt; |
| hs->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt; |
| hs->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt; |
| hs->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord; |
| hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt; |
| hs->error_frames = pmb->un.varRdLnk.crcCnt; |
| |
| if (phba->fc_topology == TOPOLOGY_LOOP) { |
| hs->lip_count = (phba->fc_eventTag >> 1); |
| hs->nos_count = -1; |
| } else { |
| hs->lip_count = -1; |
| hs->nos_count = (phba->fc_eventTag >> 1); |
| } |
| |
| hs->dumped_frames = -1; |
| |
| /* FIX ME */ |
| /*hs->SecondsSinceLastReset = (jiffies - lpfc_loadtime) / HZ;*/ |
| |
| return hs; |
| } |
| |
| |
| /* |
| * The LPFC driver treats linkdown handling as target loss events so there |
| * are no sysfs handlers for link_down_tmo. |
| */ |
| static void |
| lpfc_get_starget_port_id(struct scsi_target *starget) |
| { |
| struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); |
| struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0]; |
| uint32_t did = -1; |
| struct lpfc_nodelist *ndlp = NULL; |
| |
| spin_lock_irq(shost->host_lock); |
| /* Search the mapped list for this target ID */ |
| list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) { |
| if (starget->id == ndlp->nlp_sid) { |
| did = ndlp->nlp_DID; |
| break; |
| } |
| } |
| spin_unlock_irq(shost->host_lock); |
| |
| fc_starget_port_id(starget) = did; |
| } |
| |
| static void |
| lpfc_get_starget_node_name(struct scsi_target *starget) |
| { |
| struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); |
| struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0]; |
| uint64_t node_name = 0; |
| struct lpfc_nodelist *ndlp = NULL; |
| |
| spin_lock_irq(shost->host_lock); |
| /* Search the mapped list for this target ID */ |
| list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) { |
| if (starget->id == ndlp->nlp_sid) { |
| memcpy(&node_name, &ndlp->nlp_nodename, |
| sizeof(struct lpfc_name)); |
| break; |
| } |
| } |
| spin_unlock_irq(shost->host_lock); |
| |
| fc_starget_node_name(starget) = be64_to_cpu(node_name); |
| } |
| |
| static void |
| lpfc_get_starget_port_name(struct scsi_target *starget) |
| { |
| struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); |
| struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata[0]; |
| uint64_t port_name = 0; |
| struct lpfc_nodelist *ndlp = NULL; |
| |
| spin_lock_irq(shost->host_lock); |
| /* Search the mapped list for this target ID */ |
| list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) { |
| if (starget->id == ndlp->nlp_sid) { |
| memcpy(&port_name, &ndlp->nlp_portname, |
| sizeof(struct lpfc_name)); |
| break; |
| } |
| } |
| spin_unlock_irq(shost->host_lock); |
| |
| fc_starget_port_name(starget) = be64_to_cpu(port_name); |
| } |
| |
| static void |
| lpfc_get_rport_loss_tmo(struct fc_rport *rport) |
| { |
| /* |
| * Return the driver's global value for device loss timeout plus |
| * five seconds to allow the driver's nodev timer to run. |
| */ |
| rport->dev_loss_tmo = lpfc_nodev_tmo + 5; |
| } |
| |
| static void |
| lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) |
| { |
| /* |
| * The driver doesn't have a per-target timeout setting. Set |
| * this value globally. lpfc_nodev_tmo should be greater then 0. |
| */ |
| if (timeout) |
| lpfc_nodev_tmo = timeout; |
| else |
| lpfc_nodev_tmo = 1; |
| rport->dev_loss_tmo = lpfc_nodev_tmo + 5; |
| } |
| |
| |
| #define lpfc_rport_show_function(field, format_string, sz, cast) \ |
| static ssize_t \ |
| lpfc_show_rport_##field (struct class_device *cdev, char *buf) \ |
| { \ |
| struct fc_rport *rport = transport_class_to_rport(cdev); \ |
| struct lpfc_rport_data *rdata = rport->hostdata; \ |
| return snprintf(buf, sz, format_string, \ |
| (rdata->target) ? cast rdata->target->field : 0); \ |
| } |
| |
| #define lpfc_rport_rd_attr(field, format_string, sz) \ |
| lpfc_rport_show_function(field, format_string, sz, ) \ |
| static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL) |
| |
| |
| struct fc_function_template lpfc_transport_functions = { |
| /* fixed attributes the driver supports */ |
| .show_host_node_name = 1, |
| .show_host_port_name = 1, |
| .show_host_supported_classes = 1, |
| .show_host_supported_fc4s = 1, |
| .show_host_symbolic_name = 1, |
| .show_host_supported_speeds = 1, |
| .show_host_maxframe_size = 1, |
| |
| /* dynamic attributes the driver supports */ |
| .get_host_port_id = lpfc_get_host_port_id, |
| .show_host_port_id = 1, |
| |
| .get_host_port_type = lpfc_get_host_port_type, |
| .show_host_port_type = 1, |
| |
| .get_host_port_state = lpfc_get_host_port_state, |
| .show_host_port_state = 1, |
| |
| /* active_fc4s is shown but doesn't change (thus no get function) */ |
| .show_host_active_fc4s = 1, |
| |
| .get_host_speed = lpfc_get_host_speed, |
| .show_host_speed = 1, |
| |
| .get_host_fabric_name = lpfc_get_host_fabric_name, |
| .show_host_fabric_name = 1, |
| |
| /* |
| * The LPFC driver treats linkdown handling as target loss events |
| * so there are no sysfs handlers for link_down_tmo. |
| */ |
| |
| .get_fc_host_stats = lpfc_get_stats, |
| |
| /* the LPFC driver doesn't support resetting stats yet */ |
| |
| .dd_fcrport_size = sizeof(struct lpfc_rport_data), |
| .show_rport_maxframe_size = 1, |
| .show_rport_supported_classes = 1, |
| |
| .get_rport_dev_loss_tmo = lpfc_get_rport_loss_tmo, |
| .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo, |
| .show_rport_dev_loss_tmo = 1, |
| |
| .get_starget_port_id = lpfc_get_starget_port_id, |
| .show_starget_port_id = 1, |
| |
| .get_starget_node_name = lpfc_get_starget_node_name, |
| .show_starget_node_name = 1, |
| |
| .get_starget_port_name = lpfc_get_starget_port_name, |
| .show_starget_port_name = 1, |
| }; |
| |
| void |
| lpfc_get_cfgparam(struct lpfc_hba *phba) |
| { |
| phba->cfg_log_verbose = lpfc_log_verbose; |
| phba->cfg_cr_delay = lpfc_cr_delay; |
| phba->cfg_cr_count = lpfc_cr_count; |
| phba->cfg_lun_queue_depth = lpfc_lun_queue_depth; |
| phba->cfg_fcp_class = lpfc_fcp_class; |
| phba->cfg_use_adisc = lpfc_use_adisc; |
| phba->cfg_ack0 = lpfc_ack0; |
| phba->cfg_topology = lpfc_topology; |
| phba->cfg_scan_down = lpfc_scan_down; |
| phba->cfg_nodev_tmo = lpfc_nodev_tmo; |
| phba->cfg_link_speed = lpfc_link_speed; |
| phba->cfg_fdmi_on = lpfc_fdmi_on; |
| phba->cfg_discovery_threads = lpfc_discovery_threads; |
| phba->cfg_max_luns = lpfc_max_luns; |
| |
| /* |
| * The total number of segments is the configuration value plus 2 |
| * since the IOCB need a command and response bde. |
| */ |
| phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2; |
| |
| /* |
| * Since the sg_tablesize is module parameter, the sg_dma_buf_size |
| * used to create the sg_dma_buf_pool must be dynamically calculated |
| */ |
| phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + |
| sizeof(struct fcp_rsp) + |
| (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64)); |
| |
| switch (phba->pcidev->device) { |
| case PCI_DEVICE_ID_LP101: |
| case PCI_DEVICE_ID_BSMB: |
| case PCI_DEVICE_ID_ZSMB: |
| phba->cfg_hba_queue_depth = LPFC_LP101_HBA_Q_DEPTH; |
| break; |
| case PCI_DEVICE_ID_RFLY: |
| case PCI_DEVICE_ID_PFLY: |
| case PCI_DEVICE_ID_BMID: |
| case PCI_DEVICE_ID_ZMID: |
| case PCI_DEVICE_ID_TFLY: |
| phba->cfg_hba_queue_depth = LPFC_LC_HBA_Q_DEPTH; |
| break; |
| default: |
| phba->cfg_hba_queue_depth = LPFC_DFT_HBA_Q_DEPTH; |
| } |
| return; |
| } |