From: Jing Huang <huangj@xxxxxxxxxxx> This patch contains code that interfaces to upper layer linux kernel, such as PCI, SCSI mid-layer and sysfs etc. It is created using 2.6.27-rc7 kernel. Signed-off-by: Jing Huang <huangj@xxxxxxxxxxx> --- drivers/scsi/bfa/bfad.c | 1339 ++++++++++++++++++ drivers/scsi/bfa/bfad_attr.c | 660 +++++++++ drivers/scsi/bfa/bfad_attr.h | 75 + drivers/scsi/bfa/bfad_drv.h | 340 ++++ drivers/scsi/bfa/bfad_fwimg.c | 86 + drivers/scsi/bfa/bfad_im.c | 1244 +++++++++++++++++ drivers/scsi/bfa/bfad_im.h | 197 ++ drivers/scsi/bfa/bfad_im_compat.h | 36 drivers/scsi/bfa/bfad_intr.c | 338 ++++ drivers/scsi/bfa/bfad_ipfc.h | 36 drivers/scsi/bfa/bfad_os.c | 58 drivers/scsi/bfa/bfad_sysfs.c | 2721 ++++++++++++++++++++++++++++++++++++++ drivers/scsi/bfa/bfad_sysfs.h | 30 drivers/scsi/bfa/bfad_tm.h | 59 drivers/scsi/bfa/bfad_trcmod.h | 52 15 files changed, 7271 insertions(+) diff -urpN orig/drivers/scsi/bfa/bfad_attr.c patch/drivers/scsi/bfa/bfad_attr.c --- orig/drivers/scsi/bfa/bfad_attr.c 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/bfad_attr.c 2008-09-24 12:08:23.000000000 -0700 @@ -0,0 +1,660 @@ +/* + * Copyright (c) 2005-2008 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * @file bfa_attr.c Linux driver configuration interface module. + */ + +#include "bfad_drv.h" +#include "bfad_im.h" +#include "bfad_trcmod.h" +#include <scsi/scsi_transport.h> +#include "bfad_attr.h" + +/** + * @dg FC_transport_template FC transport template + * @{ + */ + +/** + * @brief + * FC transport template entry, get SCSI target port ID. + */ +void +bfad_im_get_starget_port_id(struct scsi_target *starget) +{ + struct Scsi_Host *shost; + struct bfad_im_port_s *im_port; + struct bfad_s *bfad; + struct bfad_itnim_s *itnim = NULL; + u32 fc_id = -1; + unsigned long flags; + + shost = bfad_os_starget_to_shost(starget); + im_port = (struct bfad_im_port_s *) shost->hostdata[0]; + bfad = im_port->bfad; + spin_lock_irqsave(&bfad->bfad_lock, flags); + + itnim = bfad_os_get_itnim(im_port, starget->id); + if (itnim) + fc_id = bfa_fcs_itnim_get_fcid(&itnim->fcs_itnim); + + fc_starget_port_id(starget) = fc_id; + spin_unlock_irqrestore(&bfad->bfad_lock, flags); +} + +/** + * @brief + * FC transport template entry, get SCSI target nwwn. + */ +void +bfad_im_get_starget_node_name(struct scsi_target *starget) +{ + struct Scsi_Host *shost; + struct bfad_im_port_s *im_port; + struct bfad_s *bfad; + struct bfad_itnim_s *itnim = NULL; + u64 node_name = 0; + unsigned long flags; + + shost = bfad_os_starget_to_shost(starget); + im_port = (struct bfad_im_port_s *) shost->hostdata[0]; + bfad = im_port->bfad; + spin_lock_irqsave(&bfad->bfad_lock, flags); + + itnim = bfad_os_get_itnim(im_port, starget->id); + if (itnim) + node_name = bfa_fcs_itnim_get_nwwn(&itnim->fcs_itnim); + + fc_starget_node_name(starget) = bfa_os_htonll(node_name); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); +} + +/** + * @brief + * FC transport template entry, get SCSI target pwwn. + */ +void +bfad_im_get_starget_port_name(struct scsi_target *starget) +{ + struct Scsi_Host *shost; + struct bfad_im_port_s *im_port; + struct bfad_s *bfad; + struct bfad_itnim_s *itnim = NULL; + u64 port_name = 0; + unsigned long flags; + + shost = bfad_os_starget_to_shost(starget); + im_port = (struct bfad_im_port_s *) shost->hostdata[0]; + bfad = im_port->bfad; + spin_lock_irqsave(&bfad->bfad_lock, flags); + + itnim = bfad_os_get_itnim(im_port, starget->id); + if (itnim) + port_name = bfa_fcs_itnim_get_pwwn(&itnim->fcs_itnim); + + fc_starget_port_name(starget) = bfa_os_htonll(port_name); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); +} + +/** + * @brief + * FC transport template entry, get SCSI host port ID. + */ +void +bfad_im_get_host_port_id(struct Scsi_Host *shost) +{ + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_port_s *port = im_port->port; + + fc_host_port_id(shost) = + bfa_os_hton3b(bfa_fcs_port_get_fcid(port->fcs_port)); +} + +/** + * @brief + * FC transport template entry, issue a LIP. + */ +int +bfad_im_issue_fc_host_lip(struct Scsi_Host *shost) +{ + return 0; +} + +/** + * @} + */ + + + +struct Scsi_Host * +bfad_os_starget_to_shost(struct scsi_target *starget) +{ + return dev_to_shost(starget->dev.parent); +} + +/** + * @brief + * FC transport template entry, get SCSI host port type. + */ +static void +bfad_im_get_host_port_type(struct Scsi_Host *shost) +{ + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_pport_attr_s attr; + + bfa_pport_get_attr(&bfad->bfa, &attr); + + switch (attr.port_type) { + case BFA_PPORT_TYPE_NPORT: + fc_host_port_type(shost) = FC_PORTTYPE_NPORT; + break; + case BFA_PPORT_TYPE_NLPORT: + fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; + break; + case BFA_PPORT_TYPE_P2P: + fc_host_port_type(shost) = FC_PORTTYPE_PTP; + break; + case BFA_PPORT_TYPE_LPORT: + fc_host_port_type(shost) = FC_PORTTYPE_LPORT; + break; + default: + fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN; + break; + } +} + +/** + * @brief + * FC transport template entry, get SCSI host port state. + */ +static void +bfad_im_get_host_port_state(struct Scsi_Host *shost) +{ + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_pport_attr_s attr; + + bfa_pport_get_attr(&bfad->bfa, &attr); + + switch (attr.port_state) { + case BFA_PPORT_ST_LINKDOWN: + fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; + break; + case BFA_PPORT_ST_LINKUP: + fc_host_port_state(shost) = FC_PORTSTATE_ONLINE; + break; + case BFA_PPORT_ST_UNINIT: + case BFA_PPORT_ST_ENABLING_QWAIT: + case BFA_PPORT_ST_ENABLING: + case BFA_PPORT_ST_DISABLING_QWAIT: + case BFA_PPORT_ST_DISABLING: + case BFA_PPORT_ST_DISABLED: + case BFA_PPORT_ST_STOPPED: + case BFA_PPORT_ST_IOCDOWN: + default: + fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; + break; + } +} + +/** + * @brief + * FC transport template entry, get SCSI host active fc4s. + */ +static void +bfad_im_get_host_active_fc4s(struct Scsi_Host *shost) +{ + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_port_s *port = im_port->port; + + memset(fc_host_active_fc4s(shost), 0, + sizeof(fc_host_active_fc4s(shost))); + + if (port-> + supported_fc4s & (BFA_PORT_ROLE_FCP_IM | BFA_PORT_ROLE_FCP_TM)) + fc_host_active_fc4s(shost)[2] = 1; + + if (port->supported_fc4s & BFA_PORT_ROLE_FCP_IPFC) + fc_host_active_fc4s(shost)[3] = 0x20; + + fc_host_active_fc4s(shost)[7] = 1; +} + +/** + * @brief + * FC transport template entry, get SCSI host link speed. + */ +static void +bfad_im_get_host_speed(struct Scsi_Host *shost) +{ + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_pport_attr_s attr; + + bfa_pport_get_attr(&bfad->bfa, &attr); + switch (attr.speed) { + case BFA_PPORT_SPEED_8GBPS: + fc_host_speed(shost) = FC_PORTSPEED_8GBIT; + break; + case BFA_PPORT_SPEED_4GBPS: + fc_host_speed(shost) = FC_PORTSPEED_4GBIT; + break; + case BFA_PPORT_SPEED_2GBPS: + fc_host_speed(shost) = FC_PORTSPEED_2GBIT; + break; + case BFA_PPORT_SPEED_1GBPS: + fc_host_speed(shost) = FC_PORTSPEED_1GBIT; + break; + default: + fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; + break; + } +} + +/** + * @brief + * FC transport template entry, get SCSI host port type. + */ +static void +bfad_im_get_host_fabric_name(struct Scsi_Host *shost) +{ + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_port_s *port = im_port->port; + wwn_t fabric_nwwn = 0; + + fabric_nwwn = bfa_fcs_port_get_fabric_name(port->fcs_port); + + fc_host_fabric_name(shost) = fabric_nwwn; + +} + +/** + * @brief + * FC transport template entry, get BFAD statistics. + */ +static struct fc_host_statistics * +bfad_im_get_stats(struct Scsi_Host *shost) +{ + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfad_hal_comp fcomp; + struct fc_host_statistics *hstats; + bfa_status_t rc; + unsigned long flags; + + hstats = &bfad->link_stats; + init_completion(&fcomp.comp); + spin_lock_irqsave(&bfad->bfad_lock, flags); + memset(hstats, 0, sizeof(struct fc_host_statistics)); + rc = bfa_pport_get_stats(&bfad->bfa, + (struct bfa_pport_stats_s *) hstats, + bfad_hcb_comp, &fcomp); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + if (rc != BFA_STATUS_OK) + return NULL; + + wait_for_completion(&fcomp.comp); + + return hstats; +} + +/** + * @brief + * FC transport template entry, reset BFAD statistics. + */ +static void +bfad_im_reset_stats(struct Scsi_Host *shost) +{ + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfad_hal_comp fcomp; + unsigned long flags; + bfa_status_t rc; + + init_completion(&fcomp.comp); + spin_lock_irqsave(&bfad->bfad_lock, flags); + rc = bfa_pport_clear_stats(&bfad->bfa, bfad_hcb_comp, &fcomp); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + if (rc != BFA_STATUS_OK) + return; + + wait_for_completion(&fcomp.comp); + + return; +} + +/** + * @brief + * FC transport template entry, get rport loss timeout. + */ +static void +bfad_im_get_rport_loss_tmo(struct fc_rport *rport) +{ + struct bfad_itnim_data_s *itnim_data = rport->dd_data; + struct bfad_itnim_s *itnim = itnim_data->itnim; + struct bfad_s *bfad = itnim->im->bfad; + + rport->dev_loss_tmo = bfad->cfg_data.rport_del_timeout; +} + +/** + * @brief + * FC transport template entry, set rport loss timeout. + */ +static void +bfad_im_set_rport_loss_tmo(struct fc_rport *rport, u32 timeout) +{ + if (timeout > 0) + rport->dev_loss_tmo = timeout; + else { + struct bfad_itnim_data_s *itnim_data = rport->dd_data; + struct bfad_itnim_s *itnim = itnim_data->itnim; + struct bfad_s *bfad = itnim->im->bfad; + rport->dev_loss_tmo = bfad->cfg_data.rport_del_timeout; + } + +} + +struct fc_function_template bfad_im_fc_function_template = { + + /* Target dynamic attributes */ + .get_starget_port_id = bfad_im_get_starget_port_id, + .show_starget_port_id = 1, + .get_starget_node_name = bfad_im_get_starget_node_name, + .show_starget_node_name = 1, + .get_starget_port_name = bfad_im_get_starget_port_name, + .show_starget_port_name = 1, + + /* Host dynamic attribute */ + .get_host_port_id = bfad_im_get_host_port_id, + .show_host_port_id = 1, + + .issue_fc_host_lip = bfad_im_issue_fc_host_lip, + + /* Host fixed attributes */ + .show_host_node_name = 1, + .show_host_port_name = 1, + .show_host_supported_classes = 1, + .show_host_supported_fc4s = 1, + .show_host_supported_speeds = 1, + .show_host_maxframe_size = 1, + + /* More host dynamic attributes */ + .show_host_port_type = 1, + .get_host_port_type = bfad_im_get_host_port_type, + .show_host_port_state = 1, + .get_host_port_state = bfad_im_get_host_port_state, + .show_host_active_fc4s = 1, + .get_host_active_fc4s = bfad_im_get_host_active_fc4s, + .show_host_speed = 1, + .get_host_speed = bfad_im_get_host_speed, + .show_host_fabric_name = 1, + .get_host_fabric_name = bfad_im_get_host_fabric_name, + + .show_host_symbolic_name = 1, + + /* Statistics */ + .get_fc_host_stats = bfad_im_get_stats, + .reset_fc_host_stats = bfad_im_reset_stats, + + /* Allocation length for host specific data */ + .dd_fcrport_size = sizeof(struct bfad_itnim_data_s *), + + /* Remote port fixed attributes */ + .show_rport_maxframe_size = 1, + .show_rport_supported_classes = 1, + .show_rport_dev_loss_tmo = 1, + .get_rport_dev_loss_tmo = bfad_im_get_rport_loss_tmo, + .set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo, +}; + +/** + * @} + * @dg Scsi_Host_attrs SCSI host attributes + * @{ + */ +static ssize_t +bfad_im_serial_num_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_ioc_attr_s ioc_attr; + + memset(&ioc_attr, 0, sizeof(ioc_attr)); + bfa_get_attr(&bfad->bfa, &ioc_attr); + return snprintf(buf, PAGE_SIZE, "%s\n", + ioc_attr.adapter_attr.serial_num); +} + +static ssize_t +bfad_im_model_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_ioc_attr_s ioc_attr; + + memset(&ioc_attr, 0, sizeof(ioc_attr)); + bfa_get_attr(&bfad->bfa, &ioc_attr); + return snprintf(buf, PAGE_SIZE, "%s\n", ioc_attr.adapter_attr.model); +} + +static ssize_t +bfad_im_model_desc_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_ioc_attr_s ioc_attr; + + memset(&ioc_attr, 0, sizeof(ioc_attr)); + bfa_get_attr(&bfad->bfa, &ioc_attr); + return snprintf(buf, PAGE_SIZE, "%s\n", + ioc_attr.adapter_attr.model_descr); +} + +static ssize_t +bfad_im_node_name_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_port_s *port = im_port->port; + u64 nwwn; + + nwwn = bfa_fcs_port_get_nwwn(port->fcs_port); + return snprintf(buf, PAGE_SIZE, "0x%llx\n", bfa_os_htonll(nwwn)); +} + +static ssize_t +bfad_im_symbolic_name_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_ioc_attr_s ioc_attr; + + memset(&ioc_attr, 0, sizeof(ioc_attr)); + bfa_get_attr(&bfad->bfa, &ioc_attr); + + return snprintf(buf, PAGE_SIZE, "Brocade %s FV%s DV%s\n", + ioc_attr.adapter_attr.model, + ioc_attr.adapter_attr.fw_ver, BFAD_DRIVER_VERSION); +} + +static ssize_t +bfad_im_hw_version_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_ioc_attr_s ioc_attr; + + memset(&ioc_attr, 0, sizeof(ioc_attr)); + bfa_get_attr(&bfad->bfa, &ioc_attr); + return snprintf(buf, PAGE_SIZE, "%s\n", ioc_attr.adapter_attr.hw_ver); +} + +static ssize_t +bfad_im_drv_version_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_VERSION); +} + +static ssize_t +bfad_im_optionrom_version_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_ioc_attr_s ioc_attr; + + memset(&ioc_attr, 0, sizeof(ioc_attr)); + bfa_get_attr(&bfad->bfa, &ioc_attr); + return snprintf(buf, PAGE_SIZE, "%s\n", + ioc_attr.adapter_attr.optrom_ver); +} + +static ssize_t +bfad_im_fw_version_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_ioc_attr_s ioc_attr; + + memset(&ioc_attr, 0, sizeof(ioc_attr)); + bfa_get_attr(&bfad->bfa, &ioc_attr); + return snprintf(buf, PAGE_SIZE, "%s\n", ioc_attr.adapter_attr.fw_ver); +} + +static ssize_t +bfad_im_num_of_ports_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_ioc_attr_s ioc_attr; + + memset(&ioc_attr, 0, sizeof(ioc_attr)); + bfa_get_attr(&bfad->bfa, &ioc_attr); + return snprintf(buf, PAGE_SIZE, "%d\n", ioc_attr.adapter_attr.nports); +} + +static ssize_t +bfad_im_drv_name_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_NAME); +} + +static ssize_t +bfad_im_num_of_discovered_ports_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_port_s *port = im_port->port; + struct bfad_s *bfad = im_port->bfad; + int nrports = 2048; + wwn_t *rports = NULL; + unsigned long flags; + + rports = kzalloc(sizeof(wwn_t) * nrports , GFP_ATOMIC); + if (rports == NULL) + return snprintf(buf, PAGE_SIZE, "Failed\n"); + + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_fcs_port_get_rports(port->fcs_port, rports, &nrports); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + kfree(rports); + + return snprintf(buf, PAGE_SIZE, "%d\n", nrports); +} + +static DEVICE_ATTR(serial_number, S_IRUGO, + bfad_im_serial_num_show, NULL); +static DEVICE_ATTR(model, S_IRUGO, bfad_im_model_show, NULL); +static DEVICE_ATTR(model_description, S_IRUGO, + bfad_im_model_desc_show, NULL); +static DEVICE_ATTR(node_name, S_IRUGO, bfad_im_node_name_show, NULL); +static DEVICE_ATTR(symbolic_name, S_IRUGO, + bfad_im_symbolic_name_show, NULL); +static DEVICE_ATTR(hardware_version, S_IRUGO, + bfad_im_hw_version_show, NULL); +static DEVICE_ATTR(driver_version, S_IRUGO, + bfad_im_drv_version_show, NULL); +static DEVICE_ATTR(option_rom_version, S_IRUGO, + bfad_im_optionrom_version_show, NULL); +static DEVICE_ATTR(firmware_version, S_IRUGO, + bfad_im_fw_version_show, NULL); +static DEVICE_ATTR(number_of_ports, S_IRUGO, + bfad_im_num_of_ports_show, NULL); +static DEVICE_ATTR(driver_name, S_IRUGO, bfad_im_drv_name_show, NULL); +static DEVICE_ATTR(number_of_discovered_ports, S_IRUGO, + bfad_im_num_of_discovered_ports_show, NULL); + +struct device_attribute *bfad_im_host_attrs[] = { + &dev_attr_serial_number, + &dev_attr_model, + &dev_attr_model_description, + &dev_attr_node_name, + &dev_attr_symbolic_name, + &dev_attr_hardware_version, + &dev_attr_driver_version, + &dev_attr_option_rom_version, + &dev_attr_firmware_version, + &dev_attr_number_of_ports, + &dev_attr_driver_name, + &dev_attr_number_of_discovered_ports, + NULL, +}; + +/** + * @} + */ diff -urpN orig/drivers/scsi/bfa/bfad_attr.h patch/drivers/scsi/bfa/bfad_attr.h --- orig/drivers/scsi/bfa/bfad_attr.h 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/bfad_attr.h 2008-09-24 12:08:23.000000000 -0700 @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2005-2008 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFAD_ATTR_H__ +#define __BFAD_ATTR_H__ +/** + * @file bfad_attr.h VMware driver configuration interface module. + */ + +extern int supported_fc4s; + +/** + * @dg FC_transport_template FC transport template + * @{ + */ + +struct Scsi_Host* +bfad_os_dev_to_shost(struct scsi_target *starget); + +/** + * @brief + * FC transport template entry, get SCSI target port ID. + */ +void +bfad_im_get_starget_port_id(struct scsi_target *starget); + +/** + * @brief + * FC transport template entry, get SCSI target nwwn. + */ +void +bfad_im_get_starget_node_name(struct scsi_target *starget); + +/** + * @brief + * FC transport template entry, get SCSI target pwwn. + */ +void +bfad_im_get_starget_port_name(struct scsi_target *starget); + +/** + * @brief + * FC transport template entry, get SCSI host port ID. + */ +void +bfad_im_get_host_port_id(struct Scsi_Host *shost); + +/** + * @brief + * FC transport template entry, issue a LIP. + */ +int +bfad_im_issue_fc_host_lip(struct Scsi_Host *shost); + +struct Scsi_Host* +bfad_os_starget_to_shost(struct scsi_target *starget); + +/** + * @} + */ +#endif /* __BFAD_ATTR_H__ */ diff -urpN orig/drivers/scsi/bfa/bfad.c patch/drivers/scsi/bfa/bfad.c --- orig/drivers/scsi/bfa/bfad.c 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/bfad.c 2008-09-24 12:08:23.000000000 -0700 @@ -0,0 +1,1339 @@ +/* + * Copyright (c) 2005-2008 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * @file bfad.c Linux driver PCI interface module. + */ + +#include "bfad_drv.h" +#include "bfad_im.h" +#include "bfad_tm.h" +#include "bfad_ipfc.h" +#include "bfad_trcmod.h" +#include <linux/module.h> +#include <fcb/bfa_fcb_vf.h> +#include <fcb/bfa_fcb_rport.h> +#include <fcb/bfa_fcb_port.h> +#include <fcb/bfa_fcb.h> + +BFA_TRC_FILE(LDRV, BFAD); + +static bfa_status_t bfad_fc4_port_new(struct bfad_s *bfad, + struct bfad_port_s *port, int roles); +static void bfad_fc4_port_delete(struct bfad_s *bfad, + struct bfad_port_s *port, int roles); + +struct semaphore bfad_sem; + +LIST_HEAD(bfad_list); + +static int bfad_inst; +int supported_fc4s; + +char *host_name; +char *os_name; +char *os_patch; +int num_rports; +int num_ios; +int num_tms; +int num_fcxps; +int num_ufbufs; +int reqq_size; +int rspq_size; +int num_sgpgs; +int rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT; +int bfa_ioc_queue_depth = BFAD_IOC_QUEUE_DEPTH; +int bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH; +int bfa_io_max_sge = BFAD_IO_MAX_SGE; +int log_level = BFA_LOG_ERROR; +int ioc_auto_recover = BFA_TRUE; + +void +bfad_flags_set(struct bfad_s *bfad, u32 flags) +{ + if (bfad) + bfad->bfad_flags |= flags; +} + +/** + * @dg BFA_HAL callbacks + * @{ + */ +void +bfad_hcb_comp(void *arg, bfa_status_t status) +{ + struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg; + + fcomp->status = status; + complete(&fcomp->comp); +} + +/** + * @brief + * bfa_init callback + */ +void +bfa_cb_init(void *drv, bfa_status_t init_status) +{ + struct bfad_s *bfad = drv; + + if (init_status == BFA_STATUS_OK) + bfad->bfad_flags |= BFAD_HAL_INIT_DONE; + + complete(&bfad->comp); +} + +/** + * @brief + * bfa_stop callback + */ +void +bfa_cb_stop(void *drv, bfa_status_t stop_status) +{ + struct bfad_s *bfad = drv; + + /* Signal the BFAD stop waiting thread */ + complete(&bfad->comp); +} + +/** + * @brief + * bfa_ioc_diable() callback. + */ +void +bfa_cb_ioc_disable(void *drv) +{ + struct bfad_s *bfad = drv; + + complete(&bfad->disable_comp); +} + +void +bfa_fcb_exit(struct bfad_s *drv) +{ + complete(&drv->comp); +} + +/** + * @} + */ + +/** + * @dg BFA_FCS callbacks + * @{ + */ +static struct bfad_port_s * +bfad_get_drv_port(struct bfad_s *bfad, struct bfad_vf_s *vf_drv, + struct bfad_vport_s *vp_drv) +{ + return ((vp_drv) ? (&(vp_drv)->drv_port) + : ((vf_drv) ? (&(vf_drv)->base_port) : (&(bfad)->pport))); +} + +struct bfad_port_s * +bfa_fcb_port_new(struct bfad_s *bfad, struct bfa_fcs_port_s *port, + enum bfa_port_role roles, struct bfad_vf_s *vf_drv, + struct bfad_vport_s *vp_drv) +{ + bfa_status_t rc; + struct bfad_port_s *port_drv; + + if (!vp_drv && !vf_drv) { + port_drv = &bfad->pport; + port_drv->pvb_type = BFAD_PORT_PHYS_BASE; + } else if (!vp_drv && vf_drv) { + port_drv = &vf_drv->base_port; + port_drv->pvb_type = BFAD_PORT_VF_BASE; + } else if (vp_drv && !vf_drv) { + port_drv = &vp_drv->drv_port; + port_drv->pvb_type = BFAD_PORT_PHYS_VPORT; + } else { + port_drv = &vp_drv->drv_port; + port_drv->pvb_type = BFAD_PORT_VF_VPORT; + } + + port_drv->fcs_port = port; + port_drv->roles = roles; + rc = bfad_fc4_port_new(bfad, port_drv, roles); + if (rc != BFA_STATUS_OK) { + bfad_fc4_port_delete(bfad, port_drv, roles); + port_drv = NULL; + } + + return port_drv; +} + +void +bfa_fcb_port_delete(struct bfad_s *bfad, enum bfa_port_role roles, + struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv) +{ + struct bfad_port_s *port_drv; + + /* this will be only called from rmmod context */ + if (vp_drv && !vp_drv->comp_del) { + port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv); + bfa_trc(bfad, roles); + bfad_fc4_port_delete(bfad, port_drv, roles); + } +} + +void +bfa_fcb_port_online(struct bfad_s *bfad, enum bfa_port_role roles, + struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv) +{ + struct bfad_port_s *port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv); + + if (roles & BFA_PORT_ROLE_FCP_IM) + bfad_im_port_online(bfad, port_drv); + + if (roles & BFA_PORT_ROLE_FCP_TM) + bfad_tm_port_online(bfad, port_drv); + + if (roles & BFA_PORT_ROLE_FCP_IPFC) + bfad_ipfc_port_online(bfad, port_drv); + + bfad_flags_set(bfad, BFAD_PORT_ONLINE); +} + +void +bfa_fcb_port_offline(struct bfad_s *bfad, enum bfa_port_role roles, + struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv) +{ + struct bfad_port_s *port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv); + + if (roles & BFA_PORT_ROLE_FCP_IM) + bfad_im_port_offline(bfad, port_drv); + + if (roles & BFA_PORT_ROLE_FCP_TM) + bfad_tm_port_offline(bfad, port_drv); + + if (roles & BFA_PORT_ROLE_FCP_IPFC) + bfad_ipfc_port_offline(bfad, port_drv); +} + +void +bfa_fcb_vf_stop(struct bfad_vf_s *vf_drv) +{ +} + +void +bfa_fcb_vport_delete(struct bfad_vport_s *vport_drv) +{ + if (vport_drv->comp_del) { + complete(vport_drv->comp_del); + return; + } + + kfree(vport_drv); +} + +/** + * @brief + * FCS RPORT alloc callback, after successful PLOGI by FCS + */ +bfa_status_t +bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport, + struct bfad_rport_s **rport_drv) +{ + bfa_status_t rc = BFA_STATUS_OK; + + *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC); + if (*rport_drv == NULL) { + rc = BFA_STATUS_ENOMEM; + goto ext; + } + + *rport = &(*rport_drv)->fcs_rport; + +ext: + return rc; +} + +/** + * @brief + * FCS RPORT free callback. + */ +void +bfa_fcb_rport_free(struct bfad_s *bfad, struct bfad_rport_s **rport_drv) +{ + kfree(*rport_drv); +} + +/** + * @} + */ + +void +bfad_hal_mem_release(struct bfad_s *bfad) +{ + int i; + struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; + struct bfa_mem_elem_s *meminfo_elem; + + for (i = 0; i < BFA_MEM_TYPE_MAX; i++) { + meminfo_elem = &hal_meminfo->meminfo[i]; + if (meminfo_elem->kva != NULL) { + switch (meminfo_elem->mem_type) { + case BFA_MEM_TYPE_KVA: + vfree(meminfo_elem->kva); + break; + case BFA_MEM_TYPE_DMA: + dma_free_coherent(&bfad->pcidev->dev, + meminfo_elem->mem_len, + meminfo_elem->kva, + (dma_addr_t) meminfo_elem->dma); + break; + default: + bfa_assert(0); + break; + } + } + } + + memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s)); +} + +void +bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg) +{ + if (num_rports > 0) + bfa_cfg->fwcfg.num_rports = num_rports; + if (num_ios > 0) + bfa_cfg->fwcfg.num_ioim_reqs = num_ios; + if (num_tms > 0) + bfa_cfg->fwcfg.num_tskim_reqs = num_tms; + if (num_fcxps > 0) + bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps; + if (num_ufbufs > 0) + bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs; + if (reqq_size > 0) + bfa_cfg->drvcfg.num_reqq_elems = reqq_size; + if (rspq_size > 0) + bfa_cfg->drvcfg.num_rspq_elems = rspq_size; + if (num_sgpgs > 0) + bfa_cfg->drvcfg.num_sgpgs = num_sgpgs; +} + +bfa_status_t +bfad_hal_mem_alloc(struct bfad_s *bfad) +{ + int i; + struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; + struct bfa_mem_elem_s *meminfo_elem; + dma_addr_t phys_addr; + void *kva; + bfa_status_t rc = BFA_STATUS_OK; + + bfa_cfg_get_default(&bfad->ioc_cfg); + bfad_update_hal_cfg(&bfad->ioc_cfg); + bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo); + + for (i = 0; i < BFA_MEM_TYPE_MAX; i++) { + meminfo_elem = &hal_meminfo->meminfo[i]; + switch (meminfo_elem->mem_type) { + case BFA_MEM_TYPE_KVA: + kva = vmalloc(meminfo_elem->mem_len); + if (kva == NULL) { + bfad_hal_mem_release(bfad); + rc = BFA_STATUS_ENOMEM; + goto ext; + } + memset(kva, 0, meminfo_elem->mem_len); + meminfo_elem->kva = kva; + break; + case BFA_MEM_TYPE_DMA: + kva = dma_alloc_coherent(&bfad->pcidev->dev, + meminfo_elem->mem_len, &phys_addr, GFP_KERNEL); + if (kva == NULL) { + bfad_hal_mem_release(bfad); + rc = BFA_STATUS_ENOMEM; + goto ext; + } + memset(kva, 0, meminfo_elem->mem_len); + meminfo_elem->kva = kva; + meminfo_elem->dma = phys_addr; + break; + default: + break; + + } + } +ext: + return rc; +} + +struct bfad_s * +bfad_find_bfad_by_inst_no(int inst_no) +{ + struct bfad_s *bfad = NULL, *rc = NULL; + + down(&bfad_sem); + list_for_each_entry(bfad, &bfad_list, list_entry) { + if (bfad->inst_no == inst_no) { + rc = bfad; + break; + } + } + up(&bfad_sem); + return rc; +} + +bfa_status_t +bfad_fc4_probe(struct bfad_s *bfad) +{ + int rc; + + rc = bfad_im_probe(bfad); + if (rc != BFA_STATUS_OK) + goto ext; + + bfad_tm_probe(bfad); + + bfad_ipfc_probe(bfad); +ext: + return rc; +} + +void +bfad_fc4_probe_undo(struct bfad_s *bfad) +{ + bfad_im_probe_undo(bfad); + bfad_tm_probe_undo(bfad); + bfad_ipfc_probe_undo(bfad); +} + +static void +bfad_fc4_probe_post(struct bfad_s *bfad) +{ + if (bfad->im) + bfad_im_probe_post(bfad->im); + + bfad_tm_probe_post(bfad); + bfad_ipfc_probe_post(bfad); +} + +static bfa_status_t +bfad_fc4_port_new(struct bfad_s *bfad, struct bfad_port_s *port, int roles) +{ + int rc = BFA_STATUS_FAILED; + + if (roles & BFA_PORT_ROLE_FCP_IM) + rc = bfad_im_port_new(bfad, port); + if (rc != BFA_STATUS_OK) + goto ext; + + if (roles & BFA_PORT_ROLE_FCP_TM) + rc = bfad_tm_port_new(bfad, port); + if (rc != BFA_STATUS_OK) + goto ext; + + if (roles & BFA_PORT_ROLE_FCP_IPFC) + rc = bfad_ipfc_port_new(bfad, port, port->pvb_type); +ext: + return rc; +} + +static void +bfad_fc4_port_delete(struct bfad_s *bfad, struct bfad_port_s *port, int roles) +{ + if (roles & BFA_PORT_ROLE_FCP_IM) + bfad_im_port_delete(bfad, port); + + if (roles & BFA_PORT_ROLE_FCP_TM) + bfad_tm_port_delete(bfad, port); + + if (roles & BFA_PORT_ROLE_FCP_IPFC) + bfad_ipfc_port_delete(bfad, port); +} + +/** + * @brief + * Create a vport under a vf. + */ +bfa_status_t +bfad_vport_create(struct bfad_s *bfad, u16 vf_id, + struct bfa_port_cfg_s *port_cfg) +{ + struct bfad_vport_s *vport; + int rc = BFA_STATUS_OK; + unsigned long flags; + + vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL); + if (!vport) { + rc = BFA_STATUS_ENOMEM; + goto ext; + } + + vport->drv_port.bfad = bfad; + spin_lock_irqsave(&bfad->bfad_lock, flags); + rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id, + port_cfg, vport); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + if (rc != BFA_STATUS_OK) + goto ext_free_vport; + + if (port_cfg->roles & BFA_PORT_ROLE_FCP_IM) { + rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port); + if (rc != BFA_STATUS_OK) + goto ext_free_fcs_vport; + } + + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_fcs_vport_start(&vport->fcs_vport); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + return BFA_STATUS_OK; + +ext_free_fcs_vport: +ext_free_vport: + kfree(vport); +ext: + return rc; +} + +/** + * @brief + * Create a vf and its base vport implicitely. + */ +bfa_status_t +bfad_vf_create(struct bfad_s *bfad, u16 vf_id, + struct bfa_port_cfg_s *port_cfg) +{ + struct bfad_vf_s *vf; + int rc = BFA_STATUS_OK; + + vf = kzalloc(sizeof(struct bfad_vf_s), GFP_KERNEL); + if (!vf) { + rc = BFA_STATUS_FAILED; + goto ext; + } + + rc = bfa_fcs_vf_create(&vf->fcs_vf, &bfad->bfa_fcs, vf_id, port_cfg, + vf); + if (rc != BFA_STATUS_OK) + kfree(vf); +ext: + return rc; +} + +void +bfad_bfa_tmo(unsigned long data) +{ + struct bfad_s *bfad = (struct bfad_s *) data; + unsigned long flags; + struct bfa_q_s doneq; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_timer_tick(&bfad->bfa); + bfa_comp_deq(&bfad->bfa, &doneq); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + if (!bfa_q_is_empty(&doneq)) { + bfa_comp_process(&bfad->bfa, &doneq); + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_comp_free(&bfad->bfa, &doneq); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + } + + mod_timer(&bfad->hal_tmo, + jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); +} + +void +bfad_init_timer(struct bfad_s *bfad) +{ + init_timer(&bfad->hal_tmo); + bfad->hal_tmo.function = bfad_bfa_tmo; + bfad->hal_tmo.data = (unsigned long)bfad; + + mod_timer(&bfad->hal_tmo, + jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); +} + +int +bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad) +{ + unsigned long bar0_len; + int rc = -ENODEV; + + if (pci_enable_device(pdev)) { + BFA_PRINTF(BFA_ERR, "pci_enable_device fail %p\n", pdev); + goto out; + } + + if (pci_request_regions(pdev, BFAD_DRIVER_NAME)) + goto out_disable_device; + + pci_set_master(pdev); + + + if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) != 0) + if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) { + BFA_PRINTF(BFA_ERR, "pci_set_dma_mask fail %p\n", pdev); + goto out_release_region; + } +#ifdef SUPPORT_PCI_AER + /* + * Enable PCIE Advanced Error Recovery (AER) if the kernel version + * supports. + */ + BFAD_ENABLE_PCIE_AER(pdev); +#endif + + bfad->pci_bar0_map = pci_resource_start(pdev, 0); + bar0_len = pci_resource_len(pdev, 0); + bfad->pci_bar0_kva = ioremap(bfad->pci_bar0_map, bar0_len); + + if (bfad->pci_bar0_kva == NULL) { + BFA_DEV_PRINTF(bfad, BFA_ERR, "Fail to map bar0\n"); + goto out_release_region; + } + + bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn); + bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn); + bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva; + bfad->hal_pcidev.device_id = pdev->device; + bfad->pci_name = pci_name(pdev); + + bfad->pci_attr.vendor_id = pdev->vendor; + bfad->pci_attr.device_id = pdev->device; + bfad->pci_attr.ssid = pdev->subsystem_device; + bfad->pci_attr.ssvid = pdev->subsystem_vendor; + bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn); + + bfad->pcidev = pdev; + return 0; + +out_release_region: + pci_release_regions(pdev); +out_disable_device: + pci_disable_device(pdev); +out: + return rc; +} + +void +bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad) +{ + iounmap(bfad->pci_bar0_kva); + pci_release_regions(pdev); + pci_disable_device(pdev); + pci_set_drvdata(pdev, NULL); +} + +void +bfad_fcs_port_cfg(struct bfad_s *bfad) +{ + struct bfa_port_cfg_s port_cfg; + struct bfa_pport_attr_s attr; + char symname[BFA_SYMNAME_MAXLEN]; + + sprintf(symname, "%s-%d", BFAD_DRIVER_NAME, bfad->inst_no); + memcpy(port_cfg.sym_name.symname, symname, strlen(symname)); + bfa_pport_get_attr(&bfad->bfa, &attr); + port_cfg.nwwn = attr.nwwn; + port_cfg.pwwn = attr.pwwn; + + bfa_fcs_cfg_base_port(&bfad->bfa_fcs, &port_cfg); +} + +bfa_status_t +bfad_drv_init(struct bfad_s *bfad) +{ + bfa_status_t rc; + unsigned long flags; + struct bfa_fcs_driver_info_s driver_info; + + bfad->cfg_data.rport_del_timeout = rport_del_timeout; + bfad->cfg_data.ioc_queue_depth = bfa_ioc_queue_depth; + bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth; + bfad->cfg_data.io_max_sge = bfa_io_max_sge; + bfad->cfg_data.binding_method = FCP_PWWN_BINDING; + + rc = bfad_hal_mem_alloc(bfad); + if (rc != BFA_STATUS_OK) { + printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n", + bfad->inst_no); + goto out_hal_mem_alloc_failure; + } + + bfa_init_log(&bfad->bfa, bfad->logmod); + bfa_init_trc(&bfad->bfa, bfad->trcmod); + bfa_init_aen(&bfad->bfa, bfad->aen); + bfa_init_plog(&bfad->bfa, &bfad->plog_buf); + bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START, + 0, "Driver Attach"); + + bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo, + &bfad->hal_pcidev); + + init_completion(&bfad->comp); + bfa_init(&bfad->bfa); + + bfad_init_timer(bfad); + bfa_isr_enable(&bfad->bfa); + + /* Enable Interrupt and wait bfa_init completion */ + if (bfad_setup_intr(bfad)) { + printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n", + bfad->inst_no); + goto out_setup_intr_failure; + } + wait_for_completion(&bfad->comp); + + memset(&driver_info, 0, sizeof(driver_info)); + strncpy(driver_info.version, BFAD_DRIVER_VERSION, + sizeof(driver_info.version) - 1); + if (host_name) + strncpy(driver_info.host_machine_name, host_name, + sizeof(driver_info.host_machine_name) - 1); + if (os_name) + strncpy(driver_info.host_os_name, os_name, + sizeof(driver_info.host_os_name) - 1); + if (os_patch) + strncpy(driver_info.host_os_patch, os_patch, + sizeof(driver_info.host_os_patch) - 1); + + strncpy(driver_info.os_device_name, bfad->pci_name, + sizeof(driver_info.os_device_name - 1)); + + /* FCS INIT */ + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_fcs_log_init(&bfad->bfa_fcs, bfad->logmod); + bfa_fcs_trc_init(&bfad->bfa_fcs, bfad->trcmod); + bfa_fcs_aen_init(&bfad->bfa_fcs, bfad->aen); + bfa_fcs_init(&bfad->bfa_fcs, &bfad->bfa, bfad); + bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + bfad->bfad_flags |= BFAD_DRV_INIT_DONE; + return BFA_STATUS_OK; + +out_setup_intr_failure: + del_timer_sync(&bfad->hal_tmo); + bfa_detach(&bfad->bfa); + bfad_hal_mem_release(bfad); +out_hal_mem_alloc_failure: + return BFA_STATUS_FAILED; +} + +void +bfad_drv_uninit(struct bfad_s *bfad) +{ + bfad_remove_intr(bfad); + del_timer_sync(&bfad->hal_tmo); + bfa_detach(&bfad->bfa); + bfad_hal_mem_release(bfad); +} + +void +bfad_drv_start(struct bfad_s *bfad) +{ + unsigned long flags; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_start(&bfad->bfa); + bfad->bfad_flags |= BFAD_HAL_START_DONE; + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + bfad_fc4_probe_post(bfad); +} + +void +bfad_drv_stop(struct bfad_s *bfad) +{ + unsigned long flags; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + init_completion(&bfad->comp); + bfad->pport.flags |= BFAD_PORT_DELETE; + bfa_fcs_exit(&bfad->bfa_fcs); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + wait_for_completion(&bfad->comp); + + spin_lock_irqsave(&bfad->bfad_lock, flags); + init_completion(&bfad->comp); + bfa_stop(&bfad->bfa); + bfad->bfad_flags &= ~BFAD_HAL_START_DONE; + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + wait_for_completion(&bfad->comp); +} + +bfa_status_t +bfad_cfg_pport(struct bfad_s *bfad, enum bfa_port_role role) +{ + int rc = BFA_STATUS_OK; + + /* Allocate scsi_host for the physical port */ + if ((supported_fc4s & BFA_PORT_ROLE_FCP_IM) + && (role & BFA_PORT_ROLE_FCP_IM)) { + if (bfad->pport.im_port == NULL) { + rc = BFA_STATUS_FAILED; + goto out; + } + + rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port); + if (rc != BFA_STATUS_OK) + goto out; + + bfad->pport.roles |= BFA_PORT_ROLE_FCP_IM; + } + + bfad->bfad_flags |= BFAD_CFG_PPORT_DONE; + +out: + return rc; +} + +void +bfad_uncfg_pport(struct bfad_s *bfad) +{ + + if (bfad->pport.roles & BFA_PORT_ROLE_FCP_IPFC) { + bfad_ipfc_port_delete(bfad, &bfad->pport); + bfad->pport.roles &= ~BFA_PORT_ROLE_FCP_IPFC; + } + + if ((supported_fc4s & BFA_PORT_ROLE_FCP_IM) + && (bfad->pport.roles & BFA_PORT_ROLE_FCP_IM)) { + bfad_im_scsi_host_free(bfad, bfad->pport.im_port); + bfad_im_port_clean(bfad->pport.im_port); + kfree(bfad->pport.im_port); + bfad->pport.roles &= ~BFA_PORT_ROLE_FCP_IM; + } + + bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE; +} + +void +bfad_drv_log_level_set(struct bfad_s *bfad) +{ + if (log_level > 0 && log_level <= BFA_LOG_LEVEL_MAX) + bfa_log_set_level_all(&bfad->log_data, log_level); +} + + /* + * @dg PCI_entry PCI driver entries *@{ + */ + +/** + * @brief + * PCI probe entry. + */ +int +bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid) +{ + struct bfad_s *bfad; + int error = -ENODEV, retval; + char buf[16]; + + /* For single port cards - only claim function 0 */ + if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) + && (PCI_FUNC(pdev->devfn) != 0)) + return -ENODEV; + + BFA_TRACE(BFA_INFO, "bfad_pci_probe entry"); + + bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL); + if (!bfad) { + error = -ENOMEM; + goto out; + } + + bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL); + if (!bfad->trcmod) { + printk(KERN_WARNING "Error alloc trace buffer!\n"); + error = -ENOMEM; + goto out_alloc_trace_failure; + } + + /* LOG/TRACE INIT */ + bfa_trc_init(bfad->trcmod); + bfa_trc(bfad, bfad_inst); + + bfad->logmod = &bfad->log_data; + sprintf(buf, "%d", bfad_inst); + bfa_log_init(bfad->logmod, buf, bfa_os_printf); + + bfad_drv_log_level_set(bfad); + + bfad->aen = &bfad->aen_buf; + + bfad_load_fwimg(pdev); + + retval = bfad_pci_init(pdev, bfad); + if (retval) { + printk(KERN_WARNING "bfad_pci_init failure!\n"); + error = retval; + goto out_pci_init_failure; + } + + down(&bfad_sem); + bfad->inst_no = bfad_inst++; + list_add_tail(&bfad->list_entry, &bfad_list); + up(&bfad_sem); + + spin_lock_init(&bfad->bfad_lock); + pci_set_drvdata(pdev, bfad); + + bfad->ref_count = 0; + bfad->pport.bfad = bfad; + + /* Create the base sysfs attributes for BFAD control */ + bfad_os_device_sysfs_create(bfad); + + retval = bfad_drv_init(bfad); + if (retval != BFA_STATUS_OK) + goto out_drv_init_failure; + if (!(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) { + printk(KERN_WARNING "bfad%d: hal init failed\n", bfad->inst_no); + goto ok; + } + + /* PPORT FCS config */ + bfad_fcs_port_cfg(bfad); + + retval = bfad_cfg_pport(bfad, BFA_PORT_ROLE_FCP_IM); + if (retval != BFA_STATUS_OK) + goto out_cfg_pport_failure; + + /* BFAD level FC4 (IM/TM/IPFC) specific resource allocation */ + retval = bfad_fc4_probe(bfad); + if (retval != BFA_STATUS_OK) { + printk(KERN_WARNING "bfad_fc4_probe failed\n"); + goto out_fc4_probe_failure; + } + + bfad_drv_start(bfad); + bfa_log(bfad->logmod, BFA_LOG_LINUX_DEVICE_CLAIMED, bfad->pci_name); +ok: + return 0; + +out_fc4_probe_failure: + bfad_fc4_probe_undo(bfad); + bfad_uncfg_pport(bfad); +out_cfg_pport_failure: + bfad_drv_uninit(bfad); +out_drv_init_failure: + bfad_os_device_sysfs_remove(bfad); + down(&bfad_sem); + bfad_inst--; + list_del(&bfad->list_entry); + up(&bfad_sem); + bfad_pci_uninit(pdev, bfad); +out_pci_init_failure: + kfree(bfad->trcmod); +out_alloc_trace_failure: + kfree(bfad); +out: + return error; +} + +/** + * @brief + * PCI remove entry. + */ +void +bfad_pci_remove(struct pci_dev *pdev) +{ + struct bfad_s *bfad = pci_get_drvdata(pdev); + unsigned long flags; + + bfa_trc(bfad, bfad->inst_no); + + if ((bfad->bfad_flags & BFAD_DRV_INIT_DONE) + && !(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) { + bfad_remove_intr(bfad); + del_timer_sync(&bfad->hal_tmo); + goto hal_detach; + } else if (!(bfad->bfad_flags & BFAD_DRV_INIT_DONE)) { + goto remove_sysfs; + } + + if (bfad->bfad_flags & BFAD_HAL_START_DONE) + bfad_drv_stop(bfad); + + bfad_remove_intr(bfad); + + del_timer_sync(&bfad->hal_tmo); + bfad_fc4_probe_undo(bfad); + + if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE) + bfad_uncfg_pport(bfad); + +hal_detach: + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_detach(&bfad->bfa); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + bfad_hal_mem_release(bfad); +remove_sysfs: + bfad_os_device_sysfs_remove(bfad); + + down(&bfad_sem); + bfad_inst--; + list_del(&bfad->list_entry); + up(&bfad_sem); + bfad_pci_uninit(pdev, bfad); + + kfree(bfad->trcmod); + kfree(bfad); +} + +#define BFAD_MAX_PCIIDS 4 +struct pci_device_id bfad_id_table[BFAD_MAX_PCIIDS] = { + { + .vendor = BFA_PCI_VENDOR_ID_BROCADE, + .device = BFA_PCI_DEVICE_ID_FC_8G2P, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + }, + { + .vendor = BFA_PCI_VENDOR_ID_BROCADE, + .device = BFA_PCI_DEVICE_ID_FC_8G1P, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + }, + { + .vendor = BFA_PCI_VENDOR_ID_BROCADE, + .device = BFA_PCI_DEVICE_ID_CT, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .class = (PCI_CLASS_SERIAL_FIBER << 8), + .class_mask = ~0, + }, + + {0, 0}, +}; + +MODULE_DEVICE_TABLE(pci, bfad_id_table); + +/** + * @} + * @dg Linux driver module functions + * @{ + */ + +bfa_status_t +bfad_fc4_module_init(void) +{ + int rc; + + rc = bfad_im_module_init(); + if (rc != BFA_STATUS_OK) + goto ext; + + bfad_tm_module_init(); + bfad_ipfc_module_init(); +ext: + return rc; +} + +void +bfad_fc4_module_exit(void) +{ + bfad_ipfc_module_exit(); + bfad_tm_module_exit(); + bfad_im_module_exit(); +} + +/** + * @brief + * Driver module init. + */ +static int __init +bfad_init(void) +{ + int error = 0; + + error = bfad_fc4_module_init(); + if (error) { + error = -ENOMEM; + printk(KERN_WARNING "bfad_fc4_module_init failure\n"); + goto ext; + } + + sema_init(&bfad_sem, 1); + + if (!strcmp(FCPI_NAME, " fcpim")) + supported_fc4s |= BFA_PORT_ROLE_FCP_IM; + if (!strcmp(FCPT_NAME, " fcptm")) + supported_fc4s |= BFA_PORT_ROLE_FCP_TM; + if (!strcmp(IPFC_NAME, " ipfc")) + supported_fc4s |= BFA_PORT_ROLE_FCP_IPFC; + + bfa_ioc_auto_recover(ioc_auto_recover); + bfa_fcs_rport_set_del_timeout(rport_del_timeout); + error = pci_register_driver(bfad_pci_driver_p); + if (error) { + printk(KERN_WARNING "pci_register_driver failure\n"); + goto ext; + } + return 0; + +ext: + bfad_fc4_module_exit(); + return error; +} + +/** + * @brief + * Driver module exit. + */ +static void __exit +bfad_exit(void) +{ + pci_unregister_driver(bfad_pci_driver_p); + bfad_fc4_module_exit(); +} + +#define BFAD_PROTO_NAME FCPI_NAME FCPT_NAME IPFC_NAME + +module_init(bfad_init); +module_exit(bfad_exit); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Brocade Fibre Channel HBA Driver" BFAD_PROTO_NAME); +MODULE_AUTHOR("Brocade Communications Systems, Inc."); +MODULE_VERSION(BFAD_DRIVER_VERSION); + +/* + * @} + */ + +#include "bfad_sysfs.h" + + +module_param(os_name, charp, S_IRUGO | S_IWUSR); +module_param(os_patch, charp, S_IRUGO | S_IWUSR); +module_param(host_name, charp, S_IRUGO | S_IWUSR); +module_param(num_rports, int, S_IRUGO | S_IWUSR); +module_param(num_ios, int, S_IRUGO | S_IWUSR); +module_param(num_tms, int, S_IRUGO | S_IWUSR); +module_param(num_fcxps, int, S_IRUGO | S_IWUSR); +module_param(num_ufbufs, int, S_IRUGO | S_IWUSR); +module_param(reqq_size, int, S_IRUGO | S_IWUSR); +module_param(rspq_size, int, S_IRUGO | S_IWUSR); +module_param(num_sgpgs, int, S_IRUGO | S_IWUSR); +module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR); +module_param(msix_disable, int, S_IRUGO | S_IWUSR); +module_param(bfa_ioc_queue_depth, int, S_IRUGO | S_IWUSR); +module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR); +module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR); +module_param(log_level, int, S_IRUGO | S_IWUSR); +module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR); + +#ifdef CONFIG_PM +int pci_save_state(struct pci_dev *pdev); +int pci_restore_state(struct pci_dev *pdev); +#endif + +struct bfad_s * +bfad_os_find_bfad_by_path(char *path) +{ + struct bfad_s *bfad = NULL, *rc = NULL; + char *ioc_path; + + down(&bfad_sem); + list_for_each_entry(bfad, &bfad_list, list_entry) { + ioc_path = bfad_os_sysfs_get_ioc_path(bfad); + if (strstr(path, ioc_path)) { + rc = bfad; + kfree(ioc_path); + break; + } + kfree(ioc_path); + } + up(&bfad_sem); + return rc; +} + +#ifdef CONFIG_PM +/** + * @brief + * PCI suspend entry. + */ +static int +bfad_os_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct bfad_s *bfad = pci_get_drvdata(pdev); + pci_power_t device_state; + + device_state = pci_choose_state(pdev, state); + + pci_save_state(pdev); + init_completion(&bfad->suspend); + wait_for_completion(&bfad->suspend); + pci_disable_device(pdev); + pci_set_power_state(pdev, device_state); + + return 0; +} + +/** + * @brief + * PCI resume entry. + */ +static int +bfad_os_resume(struct pci_dev *pdev) +{ + + /* Resume the device power state to D0 */ + pci_set_power_state(pdev, 0); + + /* Restore all device PCI configuation space to its original state. */ + pci_restore_state(pdev); + + if (pci_enable_device(pdev)) + goto out; + + return 0; + +out: + return 1; + +} +#endif + +#ifdef SUPPORT_PCI_AER +/* + * PCI error recovery support, this fearure is only availbe for kernel + * .6.16 or later. + */ +/** + * @brief + * PCI Error Recovery entry, error detected. + */ +static pci_ers_result_t +bfad_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) +{ + struct bfad_s *bfad = pci_get_drvdata(pdev); + + switch (state) { + case pci_channel_io_perm_failure: + /* + * PCI bus has permanently failed. This is + * unrecoveralbe, Do we need to do the cleanup like PCI + * remove? or kernel will automatically do it? + */ + return PCI_ERS_RESULT_DISCONNECT; + + case pci_channel_io_frozen: + + default: + + init_completion(&bfad->comp); + bfa_fcs_exit(&bfad->bfa_fcs); + bfa_stop(&bfad->bfa); + wait_for_completion_timeout(&bfad->comp, BFAD_STOP_TIMEOUT); + + pci_disable_device(pdev); + + break; + } + + /* + * Request a slot reset + */ + return PCI_ERS_RESULT_NEED_RESET; +} + +/** + * @brief + * PCI Error Recovery entry, re-initialize the chip. + */ +static pci_ers_result_t +bfad_pci_slot_reset(struct pci_dev *pdev) +{ + struct bfad_s *bfad = pci_get_drvdata(pdev); + int retval; + + if (pci_enable_device(pdev)) + goto out; + + pci_set_master(pdev); + + retval = pci_set_mwi(pdev); + + if (retval) + dev_printk(KERN_WARNING, &pdev->dev, + "Warning: pci_set_mwi returned %d\n", retval); + + if (pci_set_dma_mask(bfad->pcidev, DMA_64BIT_MASK) != 0) + if (pci_set_dma_mask(bfad->pcidev, DMA_32BIT_MASK) != 0) + goto out_disable_device; + + BFAD_ENABLE_PCIE_AER(pdev); + + /* bfa should still keep all the BFAD and port config info */ + bfa_start(&bfad->bfa); + + return PCI_ERS_RESULT_RECOVERED; + +out_disable_device: + pci_disable_device(pdev); +out: + return PCI_ERS_RESULT_DISCONNECT; + +} + +/* + * PCI error recovery support, this fearure is only available for kernel + * 2.6.16 or later. At this point, we only define error_detected and + * slot_reset. + */ +static struct pci_error_handlers bfad_err_handler = { + .error_detected = bfad_pci_error_detected, + .slot_reset = bfad_pci_slot_reset, +}; +#endif + +static int __devinit +bfad_os_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid) +{ + return (bfad_pci_probe(pdev, pid)); +} + +static void +bfad_os_pci_remove(struct pci_dev *pdev) +{ + bfad_pci_remove(pdev); +} + +static struct pci_driver bfad_pci_driver = { + .name = BFAD_DRIVER_NAME, + .id_table = bfad_id_table, + .probe = bfad_os_pci_probe, + .remove = __devexit_p(bfad_os_pci_remove), +#ifdef CONFIG_PM + .suspend = bfad_os_suspend, + .resume = bfad_os_resume, +#endif + +#ifdef SUPPORT_PCI_AER + /* + * PCI error recovery support, this fearure is only available for + * kernel 2.6.16 or later. + */ + .err_handler = &bfad_err_handler, +#endif +}; + +struct pci_driver *bfad_pci_driver_p = &bfad_pci_driver; + +/* + * @} + */ diff -urpN orig/drivers/scsi/bfa/bfad_drv.h patch/drivers/scsi/bfa/bfad_drv.h --- orig/drivers/scsi/bfa/bfad_drv.h 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/bfad_drv.h 2008-09-24 12:08:23.000000000 -0700 @@ -0,0 +1,340 @@ +/* + * Copyright (c) 2005-2008 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * @brief + * Contains base driver definitions. + */ + +/** + * @file bfa_drv.h Linux driver data structures. + */ + +#ifndef __BFAD_DRV_H__ +#define __BFAD_DRV_H__ + +#include "bfa_os_inc.h" + +#include <bfa.h> +#include <bfa_svc.h> +#include <fcs/bfa_fcs.h> +#include <defs/bfa_defs_pci.h> +#include <defs/bfa_defs_port.h> +#include <defs/bfa_defs_rport.h> +#include <fcs/bfa_fcs_rport.h> +#include <defs/bfa_defs_vport.h> +#include <fcs/bfa_fcs_vport.h> + +#include <cs/bfa_plog.h> +#include "aen/bfa_aen.h" +#include <log/bfa_log_linux.h> + +#define BFAD_DRIVER_NAME "bfa" +#ifdef BFA_DRIVER_VERSION +#define BFAD_DRIVER_VERSION BFA_DRIVER_VERSION +#else +#define BFAD_DRIVER_VERSION "1.0.0" +#endif + +#if defined(CONFIG_PCIEPORTBUS) && defined(CONFIG_PCIEAER) +#define BFAD_ENABLE_PCIE_AER(x) pci_enable_pcie_error_reporting(x) +#else +#define BFAD_ENABLE_PCIE_AER(x) {} +#endif + + +#define BFAD_IRQ_FLAGS IRQF_SHARED + +#ifndef FC_PORTSPEED_8GBIT +#define FC_PORTSPEED_8GBIT 0x10 +#endif + +/* + * BFAD flags + */ +#define BFAD_MSIX_ON 0x00000001 +#define BFAD_HAL_INIT_DONE 0x00000002 +#define BFAD_DRV_INIT_DONE 0x00000004 +#define BFAD_CFG_PPORT_DONE 0x00000008 +#define BFAD_HAL_START_DONE 0x00000010 +#define BFAD_PORT_ONLINE 0x00000020 +#define BFAD_RPORT_ONLINE 0x00000040 + +#define BFAD_PORT_DELETE 0x00000001 + +/* + * BFAD related definition + */ +#define SCSI_SCAN_DELAY HZ +#define BFAD_STOP_TIMEOUT 30 +#define BFAD_SUSPEND_TIMEOUT BFAD_STOP_TIMEOUT + +/* + * BFAD configuration parameter default values + */ +#define BFAD_IOC_QUEUE_DEPTH 2048 +#define BFAD_LUN_QUEUE_DEPTH 32 +#define BFAD_IO_MAX_SGE SG_ALL + +#define bfad_isr_t irq_handler_t + +#ifdef CONFIG_PCI_MSI +#define MAX_MSIX_ENTRY 24 + +struct bfad_msix { + bfad_isr_t handler; + struct msix_entry msix; +}; +#endif + +enum bfad_port_pvb_type { + BFAD_PORT_PHYS_BASE = 0, + BFAD_PORT_PHYS_VPORT = 1, + BFAD_PORT_VF_BASE = 2, + BFAD_PORT_VF_VPORT = 3, +}; + +/* + * PORT data structure + */ +struct bfad_port_s { + struct list_head list_entry; + struct bfad_s *bfad; + struct bfa_fcs_port_s *fcs_port; + u32 roles; + s32 flags; + u32 supported_fc4s; + enum bfad_port_pvb_type pvb_type; + struct bfad_im_port_s *im_port; /* IM specific data */ + struct bfad_tm_port_s *tm_port; /* TM specific data */ + struct bfad_ipfc_port_s *ipfc_port; /* IPFC specific data */ +}; + +/* + * VPORT data structure + */ +struct bfad_vport_s { + struct bfad_port_s drv_port; + struct bfa_fcs_vport_s fcs_vport; + struct completion *comp_del; +}; + +/* + * VF data structure + */ +struct bfad_vf_s { + bfa_fcs_vf_t fcs_vf; + struct bfad_port_s base_port; /* base port for vf */ + struct bfad_s *bfad; +}; + +struct bfad_cfg_param_s { + u32 rport_del_timeout; + u32 ioc_queue_depth; + u32 lun_queue_depth; + u32 io_max_sge; + u32 binding_method; +}; + +/* + * BFAD (PCI function) data structure + */ +struct bfad_s { + struct list_head list_entry; + struct bfa_s bfa; + struct bfa_fcs_s bfa_fcs; + struct pci_dev *pcidev; + const char *pci_name; + struct bfa_pcidev_s hal_pcidev; + struct bfa_ioc_pci_attr_s pci_attr; + unsigned long pci_bar0_map; + void __iomem *pci_bar0_kva; + struct completion comp; + struct completion suspend; + struct completion disable_comp; + bfa_boolean_t disable_active; + struct bfad_port_s pport; /* physical port of the BFAD */ + struct bfa_meminfo_s meminfo; + struct bfa_iocfc_cfg_s ioc_cfg; + u32 inst_no; /* BFAD instance number */ + u32 bfad_flags; + spinlock_t bfad_lock; + struct bfad_cfg_param_s cfg_data; +#ifdef CONFIG_PCI_MSI + struct bfad_msix msix_tab[MAX_MSIX_ENTRY]; + int nvec; +#endif + + char adapter_name[BFA_ADAPTER_SYM_NAME_LEN]; + char port_name[BFA_ADAPTER_SYM_NAME_LEN]; + struct timer_list hal_tmo; + unsigned long hs_start; + struct bfad_im_s *im; /* IM specific data */ + struct bfad_tm_s *tm; /* TM specific data */ + struct bfad_ipfc_s *ipfc; /* IPFC specific data */ + struct bfa_log_mod_s log_data; + struct bfa_trc_mod_s *trcmod; + struct bfa_log_mod_s *logmod; + struct bfa_aen_s *aen; + struct bfa_aen_s aen_buf; + struct bfa_plog_s plog_buf; + int ref_count; + struct fc_host_statistics link_stats; + + struct kobject *bfa_kobj; + struct kobject *ioc_kobj; + struct kobject *pport_kobj; + struct kobject *lport_kobj; +}; + +/* + * RPORT data structure + */ +struct bfad_rport_s { + struct bfa_fcs_rport_s fcs_rport; +}; + +struct bfad_buf_info { + void *virt; + dma_addr_t phys; + u32 size; +}; + +struct bfad_fcxp { + struct bfad_port_s *port; + struct bfa_rport_s *bfa_rport; + bfa_status_t req_status; + u16 tag; + u16 rsp_len; + u16 rsp_maxlen; + u8 use_ireqbuf; + u8 use_irspbuf; + u32 num_req_sgles; + u32 num_rsp_sgles; + fchs_t fchs; + void *reqbuf_info; + void *rspbuf_info; + struct bfa_sge_s *req_sge; + struct bfa_sge_s *rsp_sge; + fcxp_send_cb_t send_cbfn; + void *send_cbarg; + void *bfa_fcxp; + struct completion comp; +}; + +struct bfad_hal_comp { + bfa_status_t status; + struct completion comp; +}; + + +#define BFAD_WORK_HANDLER(name) void name(struct work_struct *work) +#define BFAD_INIT_WORK(x, work, func) INIT_WORK(&(x)->work, func) + +#define list_remove_head(list, entry, type, member) \ +do { \ + entry = NULL; \ + if (!list_empty(list)) { \ + entry = list_entry((list)->next, type, member); \ + list_del_init(&entry->member); \ + } \ +} while (0) + +#define list_get_first(list, type, member) \ +((list_empty(list)) ? NULL : \ + list_entry((list)->next, type, member)) + +bfa_status_t bfad_vport_create(struct bfad_s *bfad, u16 vf_id, + struct bfa_port_cfg_s *port_cfg); +bfa_status_t bfad_vf_create(struct bfad_s *bfad, u16 vf_id, + struct bfa_port_cfg_s *port_cfg); +bfa_status_t bfad_cfg_pport(struct bfad_s *bfad, enum bfa_port_role role); +bfa_status_t bfad_fc4_probe(struct bfad_s *bfad); +bfa_status_t bfad_drv_init(struct bfad_s *bfad); +struct bfad_s *bfad_find_bfad_by_inst_no(int inst_no); +void bfad_drv_start(struct bfad_s *bfad); +void bfad_uncfg_pport(struct bfad_s *bfad); +void bfad_drv_stop(struct bfad_s *bfad); +void bfad_remove_intr(struct bfad_s *bfad); +void bfad_fc4_probe_undo(struct bfad_s *bfad); +void bfad_hal_mem_release(struct bfad_s *bfad); +void bfad_hcb_comp(void *arg, bfa_status_t status); + +int bfad_os_ioctl_init(void); +int bfad_os_ioctl_exit(void); +int bfad_setup_intr(struct bfad_s *bfad); +void bfad_remove_intr(struct bfad_s *bfad); +int bfad_os_pci_register_driver(struct pci_driver *drv); +void bfad_os_pci_unregister_driver(struct pci_driver *drv); +void bfad_os_device_sysfs_create(struct bfad_s *); +void bfad_os_device_sysfs_remove(struct bfad_s *); +void bfad_os_pci_set_mwi(struct pci_dev *pdev); +void bfad_os_idr_init(struct idr *idr); +void bfad_os_idr_destroy(struct idr *idr); +void *bfad_os_dma_alloc(struct bfad_s *bfad, struct bfa_mem_elem_s + *meminfo_elem, dma_addr_t *phys_addr); +void bfad_os_dma_free(struct bfad_s *bfad, struct bfa_mem_elem_s + *meminfo_elem); +void bfad_os_idr_remove(struct idr *idp, int id); +int bfad_os_idr_pre_get(struct idr *idp, gfp_t gfp_mask); + +void bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg); +bfa_status_t bfad_hal_mem_alloc(struct bfad_s *bfad); +void bfad_bfa_tmo(unsigned long data); +void bfad_init_timer(struct bfad_s *bfad); +int bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad); +void bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad); +void bfad_fcs_port_cfg(struct bfad_s *bfad); +void bfad_drv_uninit(struct bfad_s *bfad); +void bfad_drv_log_level_set(struct bfad_s *bfad); +bfa_status_t bfad_fc4_module_init(void); +void bfad_fc4_module_exit(void); + +void bfad_pci_remove(struct pci_dev *pdev); +int bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid); +void bfad_os_rport_online_wait(struct bfad_s *bfad); +u32 bfa_os_get_instance_id(struct bfad_s *bfad); + + +extern struct idr bfad_im_port_index; +extern struct pci_driver *bfad_pci_driver_p; + +extern struct pci_device_id bfad_id_table[]; +extern struct semaphore bfad_sem; +extern struct list_head bfad_list; +extern char *os_name; +extern char *os_patch; +extern char *host_name; +extern int num_rports; +extern int num_ios; +extern int num_tms; +extern int num_fcxps; +extern int num_ufbufs; +extern int reqq_size; +extern int rspq_size; +extern int num_sgpgs; +extern int rport_del_timeout; +extern int msix_disable; +extern int bfa_ioc_queue_depth; +extern int bfa_lun_queue_depth; +extern int bfa_io_max_sge; +extern int log_level; +extern int ioc_auto_recover; + +extern int supported_fc4s; + +#endif /* __BFAD_DRV_H__ */ diff -urpN orig/drivers/scsi/bfa/bfad_fwimg.c patch/drivers/scsi/bfa/bfad_fwimg.c --- orig/drivers/scsi/bfa/bfad_fwimg.c 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/bfad_fwimg.c 2008-09-24 12:08:23.000000000 -0700 @@ -0,0 +1,86 @@ +/* + * Copyright (c) 2005-2008 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * @file bfad_fwimg.c Linux driver PCI interface module. + */ +#include <bfa_os_inc.h> +#include <defs/bfa_defs_version.h> +#include <linux/errno.h> +#include <linux/sched.h> +#include <linux/init.h> +#include <linux/fs.h> +#include <asm/uaccess.h> +#include <asm/fcntl.h> +#include <linux/pci.h> +#include <linux/firmware.h> +#include <bfa_fwimg_priv.h> +#include "bfad_im_compat.h" +#include <bfa.h> + +#define FW_IMG_PATH "/lib/firmware/cbfw.bin" + +u32 *bfad_fwimg_buf; +u32 bfi_image_size; +u32 *bfi_image; + + +#define BFAD_FW_FILE "cbfw.bin" + +u32 * +bfad_read_firmware(struct pci_dev *pdev) +{ + const struct firmware *fw; + const char *fw_file_name = BFAD_FW_FILE; + int bfad_fw_buf_size = 0; + + if (request_firmware(&fw, fw_file_name, &pdev->dev)) + goto error; + + bfad_fw_buf_size = fw->size; + + bfad_fwimg_buf = kzalloc(bfad_fw_buf_size, GFP_KERNEL); + if (NULL == bfad_fwimg_buf) + goto error; + + memcpy(bfad_fwimg_buf, fw->data, bfad_fw_buf_size); + + bfi_image_size = bfad_fw_buf_size/sizeof(u32); + + return(bfad_fwimg_buf); + +error: + if (NULL != bfad_fwimg_buf) { + kfree(bfad_fwimg_buf); + bfad_fwimg_buf = NULL; + } + + return(NULL); +} + +u32 * +bfad_get_firmware_buf(struct pci_dev *pdev) +{ + if (bfi_image_size == 0) + return(bfad_read_firmware(pdev)); + else + return(bfad_fwimg_buf); +} + +char __bfa_ident[BFA_VERSION_LEN] = + "@(#) BFA build version huangj_pvt_bld 09/24/2008 10.16.39"; +char bfa_version[BFA_VERSION_LEN] = "huangj_pvt_bld 09/24/2008 10.16.39"; diff -urpN orig/drivers/scsi/bfa/bfad_im.c patch/drivers/scsi/bfa/bfad_im.c --- orig/drivers/scsi/bfa/bfad_im.c 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/bfad_im.c 2008-09-24 12:08:23.000000000 -0700 @@ -0,0 +1,1244 @@ +/* + * Copyright (c) 2005-2008 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * @file bfad_im.c Linux driver IM module. + */ + +#include "bfad_drv.h" +#include "bfad_im.h" +#include "bfad_trcmod.h" +#include "bfa_cb_ioim_macros.h" +#include <fcb/bfa_fcb_fcpim.h> +#include <linux/spinlock.h> + +BFA_TRC_FILE(LDRV, IM); + +DEFINE_IDR(bfad_im_port_index); +struct scsi_transport_template *bfad_im_scsi_transport_template; +BFAD_WORK_HANDLER(bfad_im_port_delete_handler); + +void +bfa_cb_ioim_done(void *drv, struct bfad_ioim_s *dio, + enum bfi_ioim_status io_status, u8 scsi_status, + int sns_len, u8 *sns_info, s32 residue) +{ + struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio; + struct bfad_s *bfad = drv; + struct bfad_itnim_data_s *itnim_data; + struct bfad_itnim_s *itnim; + u8 host_status = DID_OK; + + switch (io_status) { + case BFI_IOIM_STS_OK: + bfa_trc(bfad, scsi_status); + cmnd->result = ScsiResult(host_status, scsi_status); + scsi_set_resid(cmnd, 0); + + if (sns_len > 0) { + bfa_trc(bfad, sns_len); + if (sns_len > SCSI_SENSE_BUFFERSIZE) + sns_len = SCSI_SENSE_BUFFERSIZE; + memcpy(cmnd->sense_buffer, sns_info, sns_len); + } + if (residue > 0) + scsi_set_resid(cmnd, residue); + break; + + case BFI_IOIM_STS_ABORTED: + case BFI_IOIM_STS_TIMEDOUT: + default: + host_status = DID_ERROR; + cmnd->result = ScsiResult(host_status, 0); + } + + /* Unmap DMA, if host is NULL, it means a scsi passthru cmd */ + if (cmnd->device->host != NULL) + bfad_os_im_dma_unmap(bfad, cmnd); + + cmnd->host_scribble = NULL; + bfa_trc(bfad, cmnd->result); + + itnim_data = cmnd->device->hostdata; + if (itnim_data) { + itnim = itnim_data->itnim; + if (!cmnd->result && itnim && + (bfa_lun_queue_depth > cmnd->device->queue_depth)) { + /* Queue depth adjustment for good status completion */ + bfad_os_ramp_up_qdepth(itnim, cmnd->device); + } else if (cmnd->result == SAM_STAT_TASK_SET_FULL && itnim) { + /* qfull handling */ + bfad_os_handle_qfull(itnim, cmnd->device); + } + } + + cmnd->scsi_done(cmnd); +} + +void +bfa_cb_ioim_good_comp(void *drv, struct bfad_ioim_s *dio) +{ + struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio; + struct bfad_itnim_data_s *itnim_data; + struct bfad_itnim_s *itnim; + struct bfad_s *bfad = drv; + u8 host_status = DID_OK; + + cmnd->result = ScsiResult(host_status, SCSI_STATUS_GOOD); + + /* Unmap DMA, if host is NULL, it means a scsi passthru cmd */ + if (cmnd->device->host != NULL) + bfad_os_im_dma_unmap(bfad, cmnd); + + cmnd->host_scribble = NULL; + + bfa_trc_fp(bfad, cmnd->result); + + /* Queue depth adjustment */ + if (bfa_lun_queue_depth > cmnd->device->queue_depth) { + itnim_data = cmnd->device->hostdata; + if (itnim_data) { + itnim = itnim_data->itnim; + if (itnim) + bfad_os_ramp_up_qdepth(itnim, cmnd->device); + } + } + + cmnd->scsi_done(cmnd); +} + +void +bfa_cb_ioim_abort(void *drv, struct bfad_ioim_s *dio) +{ + struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio; + struct bfad_s *bfad = drv; + + cmnd->result = ScsiResult(DID_ERROR, 0); + + /* Unmap DMA, if host is NULL, it means a scsi passthru cmd */ + if (cmnd->device->host != NULL) + bfad_os_im_dma_unmap(bfad, cmnd); + + bfa_trc(bfad, cmnd->result); + cmnd->host_scribble = NULL; +} + +void +bfa_cb_tskim_done(void *bfad, struct bfad_tskim_s *dtsk, + enum bfi_tskim_status tsk_status) +{ + struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dtsk; + wait_queue_head_t *wq; + + cmnd->SCp.Status |= tsk_status << 1; + set_bit(IO_DONE_BIT, (unsigned long *)&cmnd->SCp.Status); + wq = (wait_queue_head_t *) cmnd->SCp.ptr; + cmnd->SCp.ptr = NULL; + + if (wq) + wake_up(wq); +} + +/** + * @dg Scsi_Host_template SCSI host template + * @{ + */ +/** + * @brief + * Scsi_Host template entry, returns BFAD PCI info. + */ +const char * +bfad_im_info(struct Scsi_Host *shost) +{ + static char bfa_buf[256]; + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfa_ioc_attr_s ioc_attr; + struct bfad_s *bfad = im_port->bfad; + + memset(&ioc_attr, 0, sizeof(ioc_attr)); + bfa_get_attr(&bfad->bfa, &ioc_attr); + + memset(bfa_buf, 0, sizeof(bfa_buf)); + snprintf(bfa_buf, sizeof(bfa_buf), + "Brocade FC Adapter, " "model: %s hwpath: %s driver: %s", + ioc_attr.adapter_attr.model, bfad->pci_name, + BFAD_DRIVER_VERSION); + return bfa_buf; +} + +/** + * @brief + * Scsi_Host template entry, aborts the specified SCSI command. + * + * Returns: SUCCESS or FAILED. + */ +int +bfad_im_abort_handler(struct scsi_cmnd *cmnd) +{ + struct Scsi_Host *shost = cmnd->device->host; + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfa_ioim_s *hal_io; + unsigned long flags; + u32 timeout; + int rc = FAILED; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + hal_io = (struct bfa_ioim_s *) cmnd->host_scribble; + if (!hal_io) { + /* IO has been completed, retrun success */ + rc = SUCCESS; + goto out; + } + if (hal_io->dio != (struct bfad_ioim_s *) cmnd) { + rc = FAILED; + goto out; + } + + bfa_trc(bfad, hal_io->iotag); + bfa_log(bfad->logmod, BFA_LOG_LINUX_SCSI_ABORT, + im_port->shost->host_no, cmnd, hal_io->iotag); + bfa_ioim_abort(hal_io); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + /* Need to wait until the command get aborted */ + timeout = 10; + while ((struct bfa_ioim_s *) cmnd->host_scribble == hal_io) { + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(timeout); + if (timeout < 4 * HZ) + timeout *= 2; + } + + cmnd->scsi_done(cmnd); + bfa_trc(bfad, hal_io->iotag); + bfa_log(bfad->logmod, BFA_LOG_LINUX_SCSI_ABORT_COMP, + im_port->shost->host_no, cmnd, hal_io->iotag); + return SUCCESS; +out: + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + return rc; +} + +static bfa_status_t +bfad_im_target_reset_send(struct bfad_s *bfad, struct scsi_cmnd *cmnd, + struct bfad_itnim_s *itnim) +{ + struct bfa_tskim_s *tskim; + struct bfa_itnim_s *bfa_itnim; + bfa_status_t rc = BFA_STATUS_OK; + + bfa_itnim = bfa_fcs_itnim_get_halitn(&itnim->fcs_itnim); + tskim = bfa_tskim_alloc(&bfad->bfa, (struct bfad_tskim_s *) cmnd); + if (!tskim) { + BFA_DEV_PRINTF(bfad, BFA_ERR, + "target reset, fail to allocate tskim\n"); + rc = BFA_STATUS_FAILED; + goto out; + } + + /* + * Set host_scribble to NULL to avoid aborting a task command if + * happens. + */ + cmnd->host_scribble = NULL; + cmnd->SCp.Status = 0; + bfa_itnim = bfa_fcs_itnim_get_halitn(&itnim->fcs_itnim); + bfa_tskim_start(tskim, bfa_itnim, (lun_t)0, + FCP_TM_TARGET_RESET, BFAD_TARGET_RESET_TMO); +out: + return rc; +} + +/** + * @brief + * Scsi_Host template entry, resets a LUN and abort its all commands. + * + * Returns: SUCCESS or FAILED. + * + */ +int +bfad_im_reset_lun_handler(struct scsi_cmnd *cmnd) +{ + struct Scsi_Host *shost = cmnd->device->host; + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_itnim_data_s *itnim_data = cmnd->device->hostdata; + struct bfad_s *bfad = im_port->bfad; + struct bfa_tskim_s *tskim; + struct bfad_itnim_s *itnim; + struct bfa_itnim_s *bfa_itnim; + DECLARE_WAIT_QUEUE_HEAD(wq); + int rc = SUCCESS; + unsigned long flags; + enum bfi_tskim_status task_status; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + itnim = itnim_data->itnim; + if (!itnim) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + rc = FAILED; + goto out; + } + + tskim = bfa_tskim_alloc(&bfad->bfa, (struct bfad_tskim_s *) cmnd); + if (!tskim) { + BFA_DEV_PRINTF(bfad, BFA_ERR, + "LUN reset, fail to allocate tskim"); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + rc = FAILED; + goto out; + } + + /** + * Set host_scribble to NULL to avoid aborting a task command + * if happens. + */ + cmnd->host_scribble = NULL; + cmnd->SCp.ptr = (char *)&wq; + cmnd->SCp.Status = 0; + bfa_itnim = bfa_fcs_itnim_get_halitn(&itnim->fcs_itnim); + bfa_tskim_start(tskim, bfa_itnim, + bfad_int_to_lun(cmnd->device->lun), + FCP_TM_LUN_RESET, BFAD_LUN_RESET_TMO); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + wait_event(wq, test_bit(IO_DONE_BIT, + (unsigned long *)&cmnd->SCp.Status)); + + task_status = cmnd->SCp.Status >> 1; + if (task_status != BFI_TSKIM_STS_OK) { + BFA_DEV_PRINTF(bfad, BFA_ERR, "LUN reset failure, status: %d\n", + task_status); + rc = FAILED; + } + +out: + return rc; +} + +/** + * @brief + * Scsi_Host template entry, resets the bus and abort all commands. + */ +int +bfad_im_reset_bus_handler(struct scsi_cmnd *cmnd) +{ + struct Scsi_Host *shost = cmnd->device->host; + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfad_itnim_s *itnim; + unsigned long flags; + u32 i, rc, err_cnt = 0; + DECLARE_WAIT_QUEUE_HEAD(wq); + enum bfi_tskim_status task_status; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + for (i = 0; i < MAX_FCP_TARGET; i++) { + itnim = bfad_os_get_itnim(im_port, i); + if (itnim) { + cmnd->SCp.ptr = (char *)&wq; + rc = bfad_im_target_reset_send(bfad, cmnd, itnim); + if (rc != BFA_STATUS_OK) { + err_cnt++; + continue; + } + + /* wait target reset to complete */ + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + wait_event(wq, test_bit(IO_DONE_BIT, + (unsigned long *)&cmnd->SCp.Status)); + spin_lock_irqsave(&bfad->bfad_lock, flags); + + task_status = cmnd->SCp.Status >> 1; + if (task_status != BFI_TSKIM_STS_OK) { + BFA_DEV_PRINTF(bfad, BFA_ERR, + "target reset failure," + " status: %d\n", task_status); + err_cnt++; + } + } + } + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + if (err_cnt) + return FAILED; + + return SUCCESS; +} + +/** + * @brief + * Scsi_Host template entry slave_destroy. + */ +void +bfad_im_slave_destroy(struct scsi_device *sdev) +{ + sdev->hostdata = NULL; + return; +} + +/** + * @dg BFA FCS itnim callbacks + * @{ + */ + +/** + * @brief + * BFA FCS itnim alloc callback, after successful PRLI + * Context: Interrupt + */ +void +bfa_fcb_itnim_alloc(struct bfad_s *bfad, struct bfa_fcs_itnim_s **itnim, + struct bfad_itnim_s **itnim_drv) +{ + *itnim_drv = kzalloc(sizeof(struct bfad_itnim_s), GFP_ATOMIC); + if (*itnim_drv == NULL) + return; + + (*itnim_drv)->im = bfad->im; + *itnim = &(*itnim_drv)->fcs_itnim; + (*itnim_drv)->state = ITNIM_STATE_NONE; + + /* + * Initiaze the itnim_work + */ + bfad_os_itnim_alloc(*itnim_drv); + bfad_flags_set(bfad, BFAD_RPORT_ONLINE); +} + +void +bfad_wwn_to_str(wwn_t wwn, char *str) +{ + sprintf(str, "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x", + *((u8 *)&wwn), + *(((u8 *)&wwn) + 1), + *(((u8 *)&wwn) + 2), + *(((u8 *)&wwn) + 3), + *(((u8 *)&wwn) + 4), + *(((u8 *)&wwn) + 5), + *(((u8 *)&wwn) + 6), + *(((u8 *)&wwn) + 7)); +} + +void +bfad_fcid_to_str(u32 fcid, char *str) +{ + sprintf(str, "%02x%02x%02x", + *((u8 *)&fcid), + *(((u8 *)&fcid) + 1), + *(((u8 *)&fcid) + 2)); +} + +/** + * @brief + * BFA FCS itnim free callback. + * Context: Interrupt. bfad_lock is held + */ +void +bfa_fcb_itnim_free(struct bfad_s *bfad, struct bfad_itnim_s *itnim_drv) +{ + struct bfad_port_s *port; + wwn_t wwpn; + u32 fcid; + char wwpn_str[32], fcid_str[16]; + + /* online to free state transtion should not happen */ + bfa_assert(itnim_drv->state != ITNIM_STATE_ONLINE); + + itnim_drv->queue_work = 1; + /* offline request is not yet done, use the same request to free */ + if (itnim_drv->state == ITNIM_STATE_OFFLINE_PENDING) + itnim_drv->queue_work = 0; + + itnim_drv->state = ITNIM_STATE_FREE; + port = bfa_fcs_itnim_get_drvport(&itnim_drv->fcs_itnim); + itnim_drv->im_port = port->im_port; + wwpn = bfa_fcs_itnim_get_pwwn(&itnim_drv->fcs_itnim); + fcid = bfa_fcs_itnim_get_fcid(&itnim_drv->fcs_itnim); + bfad_wwn_to_str(wwpn, wwpn_str); + bfad_fcid_to_str(fcid, fcid_str); + bfa_log(bfad->logmod, BFA_LOG_LINUX_ITNIM_FREE, + port->im_port->shost->host_no, + fcid_str, wwpn_str); + bfad_os_itnim_process(itnim_drv); +} + +/** + * @brief + * BFA FCS itnim online callback. + * Context: Interrupt. bfad_lock is held + */ +void +bfa_fcb_itnim_online(struct bfad_itnim_s *itnim_drv) +{ + struct bfad_port_s *port; + + itnim_drv->bfa_itnim = bfa_fcs_itnim_get_halitn(&itnim_drv->fcs_itnim); + port = bfa_fcs_itnim_get_drvport(&itnim_drv->fcs_itnim); + itnim_drv->state = ITNIM_STATE_ONLINE; + itnim_drv->queue_work = 1; + itnim_drv->im_port = port->im_port; + bfad_os_itnim_process(itnim_drv); +} + +/** + * @brief + * BFA FCS itnim offline callback. + * Context: Interrupt. bfad_lock is held +*/ +void +bfa_fcb_itnim_offline(struct bfad_itnim_s *itnim_drv) +{ + struct bfad_port_s *port; + struct bfad_s *bfad; + + port = bfa_fcs_itnim_get_drvport(&itnim_drv->fcs_itnim); + bfad = port->bfad; + if ((bfad->pport.flags & BFAD_PORT_DELETE) || + (port->flags & BFAD_PORT_DELETE)) { + itnim_drv->state = ITNIM_STATE_OFFLINE; + return; + } + itnim_drv->im_port = port->im_port; + itnim_drv->state = ITNIM_STATE_OFFLINE_PENDING; + itnim_drv->queue_work = 1; + bfad_os_itnim_process(itnim_drv); +} + +/** + * @} + */ + +/** + * @brief + * Allocate a Scsi_Host for a port. + */ +int +bfad_im_scsi_host_alloc(struct bfad_s *bfad, struct bfad_im_port_s *im_port) +{ + int error = 1; + + if (!idr_pre_get(&bfad_im_port_index, GFP_KERNEL)) { + printk(KERN_WARNING "idr_pre_get failure\n"); + goto out; + } + + error = idr_get_new(&bfad_im_port_index, im_port, + &im_port->idr_id); + if (error) { + printk(KERN_WARNING "idr_get_new failure\n"); + goto out; + } + + im_port->shost = + bfad_os_scsi_host_alloc(&bfad_im_scsi_host_template, im_port, + bfad); + if (!im_port->shost) { + error = 1; + goto out_free_idr; + } + + im_port->shost->hostdata[0] = (unsigned long)im_port; + im_port->shost->unique_id = im_port->idr_id; + im_port->shost->this_id = -1; + im_port->shost->max_id = MAX_FCP_TARGET; + im_port->shost->max_lun = MAX_FCP_LUN; + im_port->shost->max_cmd_len = 16; + im_port->shost->can_queue = bfad->cfg_data.ioc_queue_depth; + bfad_os_transp_templ(im_port->shost, bfad_im_scsi_transport_template); + + error = scsi_add_host(im_port->shost, + (struct device *)&bfad->pcidev->dev); + if (error) { + printk(KERN_WARNING "scsi_add_host failure\n"); + goto out_fc_rel; + } + + /* setup host fixed attribute if the lk supports */ + bfad_os_fc_host_init(im_port); + + return 0; + +out_fc_rel: + scsi_host_put(im_port->shost); + +out_free_idr: + idr_remove(&bfad_im_port_index, im_port->idr_id); +out: + return error; +} + +void +bfad_im_scsi_host_free(struct bfad_s *bfad, struct bfad_im_port_s *im_port) +{ + unsigned long flags; + + bfa_trc(bfad, bfad->inst_no); + bfa_log(bfad->logmod, BFA_LOG_LINUX_SCSI_HOST_FREE, + im_port->shost->host_no); + + fc_remove_host(im_port->shost); + + scsi_remove_host(im_port->shost); + scsi_host_put(im_port->shost); + + spin_lock_irqsave(&bfad->bfad_lock, flags); + idr_remove(&bfad_im_port_index, im_port->idr_id); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); +} + +bfa_status_t +bfad_im_port_new(struct bfad_s *bfad, struct bfad_port_s *port) +{ + int rc = BFA_STATUS_OK; + struct bfad_im_port_s *im_port; + + im_port = kzalloc(sizeof(struct bfad_im_port_s), GFP_ATOMIC); + if (im_port == NULL) { + rc = BFA_STATUS_ENOMEM; + goto ext; + } + port->im_port = im_port; + im_port->port = port; + im_port->bfad = bfad; + + bfad_os_init_work(im_port); + INIT_LIST_HEAD(&im_port->itnim_mapped_list); + INIT_LIST_HEAD(&im_port->binding_list); + +ext: + return rc; +} + +void +bfad_im_port_delete(struct bfad_s *bfad, struct bfad_port_s *port) +{ + struct bfad_im_port_s *im_port = port->im_port; + + queue_work(bfad->im->drv_workq, + &im_port->port_delete_work); +} + +BFAD_WORK_HANDLER(bfad_im_port_delete_handler) +{ /* work struct is the function arg */ + struct bfad_im_port_s *im_port = + container_of(work, struct bfad_im_port_s, port_delete_work); + + bfad_im_scsi_host_free(im_port->bfad, im_port); + bfad_im_port_clean(im_port); + kfree(im_port); +} + +void +bfad_im_port_clean(struct bfad_im_port_s *im_port) +{ + struct bfad_fcp_binding *bp, *bp_new; + unsigned long flags; + struct bfad_s *bfad = im_port->bfad; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + list_for_each_entry_safe(bp, bp_new, &im_port->binding_list, + list_entry) { + list_del(&bp->list_entry); + kfree(bp); + } + + /* the itnim_mapped_list must be empty at this time */ + bfa_assert(list_empty(&im_port->itnim_mapped_list)); + + spin_unlock_irqrestore(&bfad->bfad_lock, flags); +} + +void +bfad_im_port_online(struct bfad_s *bfad, struct bfad_port_s *port) +{ +} + +void +bfad_im_port_offline(struct bfad_s *bfad, struct bfad_port_s *port) +{ +} + +bfa_status_t +bfad_im_probe(struct bfad_s *bfad) +{ + struct bfad_im_s *im; + bfa_status_t rc = BFA_STATUS_OK; + + im = kzalloc(sizeof(struct bfad_im_s), GFP_KERNEL); + if (im == NULL) { + rc = BFA_STATUS_ENOMEM; + goto ext; + } + + bfad->im = im; + im->bfad = bfad; + + if (bfad_os_thread_workq(bfad) != BFA_STATUS_OK) { + kfree(im); + rc = BFA_STATUS_FAILED; + } + +ext: + return rc; +} + +void +bfad_im_probe_undo(struct bfad_s *bfad) +{ + if (bfad->im) { + bfad_os_destroy_workq(bfad->im); + kfree(bfad->im); + bfad->im = NULL; + } +} + + + + +BFAD_WORK_HANDLER(bfad_im_itnim_work_handler); + +struct Scsi_Host * +bfad_os_scsi_host_alloc(struct scsi_host_template *sht, + struct bfad_im_port_s *im_port, struct bfad_s *bfad) +{ + sht->sg_tablesize = bfad->cfg_data.io_max_sge; + return scsi_host_alloc(sht, sizeof(unsigned long)); +} + +void +bfad_os_scsi_host_free(struct bfad_s *bfad, struct bfad_im_port_s *im_port) +{ + flush_workqueue(bfad->im->drv_workq); + bfad_im_scsi_host_free(im_port->bfad, im_port); + bfad_im_port_clean(im_port); + kfree(im_port); +} + +void +bfad_os_destroy_workq(struct bfad_im_s *im) +{ + if (im && im->drv_workq) { + destroy_workqueue(im->drv_workq); + im->drv_workq = NULL; + } +} + +bfa_status_t +bfad_os_thread_workq(struct bfad_s *bfad) +{ + struct bfad_im_s *im = bfad->im; + + bfa_trc(bfad, 0); + snprintf(im->drv_workq_name, KOBJ_NAME_LEN, "bfad_wq_%d", + bfad->inst_no); + im->drv_workq = create_singlethread_workqueue(im->drv_workq_name); + if (!im->drv_workq) + return BFA_STATUS_FAILED; + + return BFA_STATUS_OK; +} + +struct bfad_itnim_data_s * +bfad_os_itnim_data(struct bfad_im_port_s *im_port, struct scsi_cmnd *cmnd) +{ + if (!cmnd || !cmnd->device) + return NULL; + return cmnd->device->hostdata; +} + +/** + * @brief + * Scsi_Host template entry. + * + * Description: + * OS entry point to adjust the queue_depths on a per-device basis. + * Called once per device during the bus scan. + * Return non-zero if fails. + */ +static int +bfad_im_slave_configure(struct scsi_device *sdev) +{ + if (sdev->tagged_supported) + scsi_activate_tcq(sdev, bfa_lun_queue_depth); + else + scsi_deactivate_tcq(sdev, bfa_lun_queue_depth); + + bfad_os_set_dev_loss_tmo(sdev); + + return 0; +} + +struct scsi_host_template bfad_im_scsi_host_template = { + .module = THIS_MODULE, + .name = BFAD_DRIVER_NAME, + .info = bfad_im_info, + .queuecommand = bfad_im_queuecommand, + .eh_abort_handler = bfad_im_abort_handler, + .eh_device_reset_handler = bfad_im_reset_lun_handler, + .eh_bus_reset_handler = bfad_im_reset_bus_handler, + + .slave_alloc = bfad_im_slave_alloc, + .slave_configure = bfad_im_slave_configure, + .slave_destroy = bfad_im_slave_destroy, + + .this_id = -1, + .sg_tablesize = BFAD_IO_MAX_SGE, + .cmd_per_lun = 3, + .use_clustering = ENABLE_CLUSTERING, + .shost_attrs = bfad_im_host_attrs, + .max_sectors = 0xFFFF, +}; + +void +bfad_im_probe_post(struct bfad_im_s *im) +{ + flush_workqueue(im->drv_workq); +} + +bfa_status_t +bfad_im_module_init(void) +{ + bfad_im_scsi_transport_template = + fc_attach_transport(&bfad_im_fc_function_template); + if (!bfad_im_scsi_transport_template) + return BFA_STATUS_ENOMEM; + + return BFA_STATUS_OK; +} + +void +bfad_im_module_exit(void) +{ + if (bfad_im_scsi_transport_template) + fc_release_transport(bfad_im_scsi_transport_template); +} + +void +bfad_os_transp_templ(struct Scsi_Host *sh, struct scsi_transport_template *stt) +{ + sh->transportt = stt; +} + +int +bfad_os_im_dma_map(struct bfad_s *bfad, struct scsi_cmnd *cmnd) +{ + int sg_cnt, rc = 0; + + if (scsi_sg_count(cmnd)) { + sg_cnt = dma_map_sg((struct device *)&bfad->pcidev->dev, + (struct scatterlist *)scsi_sglist(cmnd), + scsi_sg_count(cmnd), + cmnd->sc_data_direction); + if (sg_cnt == 0 || sg_cnt > bfad->cfg_data.io_max_sge) { + printk(KERN_WARNING "dma_map_sg failure\n"); + rc = 1; + } + + } else if (scsi_bufflen(cmnd)) { + cmnd->SCp.dma_handle = + dma_map_single((struct device *)&bfad->pcidev-> + dev, scsi_sglist(cmnd), + scsi_bufflen(cmnd), + cmnd->sc_data_direction); + } + + return rc; +} + +void +bfad_os_im_dma_unmap(struct bfad_s *bfad, struct scsi_cmnd *cmnd) +{ + if (scsi_sg_count(cmnd)) + dma_unmap_sg((struct device *)&bfad->pcidev->dev, + scsi_sglist(cmnd), scsi_sg_count(cmnd), + cmnd->sc_data_direction); + else if (scsi_bufflen(cmnd)) + dma_unmap_single((struct device *)&bfad->pcidev->dev, + cmnd->SCp.dma_handle, + scsi_bufflen(cmnd), + cmnd->sc_data_direction); +} + +void +bfad_os_itnim_alloc(struct bfad_itnim_s *itnim_drv) +{ + BFAD_INIT_WORK(itnim_drv, itnim_work, bfad_im_itnim_work_handler); +} + +void +bfad_os_itnim_process(struct bfad_itnim_s *itnim_drv) +{ + struct bfad_im_s *im = itnim_drv->im; + + if (itnim_drv->queue_work) + queue_work(im->drv_workq, &itnim_drv->itnim_work); +} + +void +bfad_os_ramp_up_qdepth(struct bfad_itnim_s *itnim, struct scsi_device *sdev) +{ + struct scsi_device *tmp_sdev; + + if (((jiffies - itnim->last_ramp_up_time) > + BFA_QUEUE_FULL_RAMP_UP_TIME * HZ) && + ((jiffies - itnim->last_queue_full_time) > + BFA_QUEUE_FULL_RAMP_UP_TIME * HZ)) { + shost_for_each_device(tmp_sdev, sdev->host) { + if (bfa_lun_queue_depth > tmp_sdev->queue_depth) { + if (tmp_sdev->id != sdev->id) + continue; + if (tmp_sdev->ordered_tags) + scsi_adjust_queue_depth(tmp_sdev, + MSG_ORDERED_TAG, + tmp_sdev->queue_depth + 1); + else + scsi_adjust_queue_depth(tmp_sdev, + MSG_SIMPLE_TAG, + tmp_sdev->queue_depth + 1); + + itnim->last_ramp_up_time = jiffies; + } + } + } +} + +void +bfad_os_handle_qfull(struct bfad_itnim_s *itnim, struct scsi_device *sdev) +{ + struct scsi_device *tmp_sdev; + + itnim->last_queue_full_time = jiffies; + + shost_for_each_device(tmp_sdev, sdev->host) { + if (tmp_sdev->id != sdev->id) + continue; + scsi_track_queue_full(tmp_sdev, tmp_sdev->queue_depth - 1); + } +} + + + + +BFAD_WORK_HANDLER(bfad_im_port_delete_handler); +BFAD_WORK_HANDLER(bfad_im_itnim_work_handler); +static void bfad_im_fc_rport_add(struct bfad_im_port_s *im_port, + struct bfad_itnim_s *itnim); + +struct bfad_itnim_s * +bfad_os_get_itnim(struct bfad_im_port_s *im_port, int id) +{ + struct bfad_itnim_s *itnim = NULL; + + /* Search the mapped list for this target ID */ + list_for_each_entry(itnim, &im_port->itnim_mapped_list, list_entry) { + if (id == itnim->scsi_tgt_id) + return itnim; + } + + return NULL; +} + +void +bfad_os_init_work(struct bfad_im_port_s *im_port) +{ + BFAD_INIT_WORK(im_port, port_delete_work, bfad_im_port_delete_handler); + + return; +} + +/** + * @brief + * Scsi_Host template entry slave_alloc + */ +int +bfad_im_slave_alloc(struct scsi_device *sdev) +{ + struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); + + if (!rport || fc_remote_port_chkready(rport)) + return -ENXIO; + + sdev->hostdata = rport->dd_data; + + return 0; +} + +void +bfad_os_fc_host_init(struct bfad_im_port_s *im_port) +{ + struct Scsi_Host *host = im_port->shost; + struct bfad_s *bfad = im_port->bfad; + struct bfad_port_s *port = im_port->port; + union attr { + struct bfa_pport_attr_s pattr; + struct bfa_ioc_attr_s ioc_attr; + } attr; + + fc_host_node_name(host) = + bfa_os_htonll((bfa_fcs_port_get_nwwn(port->fcs_port))); + fc_host_port_name(host) = + bfa_os_htonll((bfa_fcs_port_get_pwwn(port->fcs_port))); + + fc_host_supported_classes(host) = FC_COS_CLASS3; + + memset(fc_host_supported_fc4s(host), 0, + sizeof(fc_host_supported_fc4s(host))); + if (supported_fc4s & (BFA_PORT_ROLE_FCP_IM | BFA_PORT_ROLE_FCP_TM)) + /* For FCP type 0x08 */ + fc_host_supported_fc4s(host)[2] = 1; + if (supported_fc4s | BFA_PORT_ROLE_FCP_IPFC) + /* For LLC/SNAP type 0x05 */ + fc_host_supported_fc4s(host)[3] = 0x20; + /* For fibre channel services type 0x20 */ + fc_host_supported_fc4s(host)[7] = 1; + + memset(&attr.ioc_attr, 0, sizeof(attr.ioc_attr)); + bfa_get_attr(&bfad->bfa, &attr.ioc_attr); + sprintf(fc_host_symbolic_name(host), "Brocade %s FV%s DV%s", + attr.ioc_attr.adapter_attr.model, + attr.ioc_attr.adapter_attr.fw_ver, BFAD_DRIVER_VERSION); + + fc_host_supported_speeds(host) = 0; + fc_host_supported_speeds(host) |= + FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT | + FC_PORTSPEED_1GBIT; + + memset(&attr.pattr, 0, sizeof(attr.pattr)); + bfa_pport_get_attr(&bfad->bfa, &attr.pattr); + fc_host_maxframe_size(host) = attr.pattr.pport_cfg.maxfrsize; +} + +void +bfad_os_set_dev_loss_tmo(struct scsi_device *sdev) +{ + struct fc_rport *rport = starget_to_rport(sdev->sdev_target); + + rport->dev_loss_tmo = rport_del_timeout + 5; +} + +static void +bfad_im_fc_rport_add(struct bfad_im_port_s *im_port, struct bfad_itnim_s *itnim) +{ + struct fc_rport_identifiers rport_ids; + struct fc_rport *fc_rport; + struct bfad_itnim_data_s *itnim_data; + + rport_ids.node_name = + bfa_os_htonll(bfa_fcs_itnim_get_nwwn(&itnim->fcs_itnim)); + rport_ids.port_name = + bfa_os_htonll(bfa_fcs_itnim_get_pwwn(&itnim->fcs_itnim)); + rport_ids.port_id = + bfa_os_hton3b(bfa_fcs_itnim_get_fcid(&itnim->fcs_itnim)); + rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; + + itnim->fc_rport = fc_rport = + fc_remote_port_add(im_port->shost, 0, &rport_ids); + + if (!fc_rport) + return; + + fc_rport->maxframe_size = + bfa_fcs_itnim_get_maxfrsize(&itnim->fcs_itnim); + fc_rport->supported_classes = bfa_fcs_itnim_get_cos(&itnim->fcs_itnim); + + itnim_data = fc_rport->dd_data; + itnim_data->itnim = itnim; + + rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; + + if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN) + fc_remote_port_rolechg(fc_rport, rport_ids.roles); + + if ((fc_rport->scsi_target_id != -1) + && (fc_rport->scsi_target_id < MAX_FCP_TARGET)) + itnim->scsi_tgt_id = fc_rport->scsi_target_id; + + return; +} + +/** + * @brief + * Work queue handler using FC transport service +* Context: kernel + */ +BFAD_WORK_HANDLER(bfad_im_itnim_work_handler) +{ /* work struct is the function arg */ + struct bfad_itnim_s *itnim = container_of(work, struct bfad_itnim_s, + itnim_work); + struct bfad_im_s *im = itnim->im; + struct bfad_s *bfad = im->bfad; + struct bfad_im_port_s *im_port; + unsigned long flags; + struct fc_rport *fc_rport; + wwn_t wwpn; + u32 fcid; + char wwpn_str[32], fcid_str[16]; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + im_port = itnim->im_port; + bfa_trc(bfad, itnim->state); + switch (itnim->state) { + case ITNIM_STATE_ONLINE: + if (!itnim->fc_rport) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + bfad_im_fc_rport_add(im_port, itnim); + spin_lock_irqsave(&bfad->bfad_lock, flags); + wwpn = bfa_fcs_itnim_get_pwwn(&itnim->fcs_itnim); + fcid = bfa_fcs_itnim_get_fcid(&itnim->fcs_itnim); + bfad_wwn_to_str(wwpn, wwpn_str); + bfad_fcid_to_str(fcid, fcid_str); + list_add_tail(&itnim->list_entry, + &im_port->itnim_mapped_list); + bfa_log(bfad->logmod, BFA_LOG_LINUX_ITNIM_ONLINE, + im_port->shost->host_no, + itnim->scsi_tgt_id, + fcid_str, wwpn_str); + } else { + printk(KERN_WARNING + "%s: itnim %llx is already in online state\n", + __FUNCTION__, + bfa_fcs_itnim_get_pwwn(&itnim->fcs_itnim)); + } + + break; + case ITNIM_STATE_OFFLINE_PENDING: + itnim->state = ITNIM_STATE_OFFLINE; + if (itnim->fc_rport) { + fc_rport = itnim->fc_rport; + ((struct bfad_itnim_data_s *) + fc_rport->dd_data)->itnim = NULL; + itnim->fc_rport = NULL; + if (!(im_port->port->flags & BFAD_PORT_DELETE)) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + fc_remote_port_delete(fc_rport); + spin_lock_irqsave(&bfad->bfad_lock, flags); + } + wwpn = bfa_fcs_itnim_get_pwwn(&itnim->fcs_itnim); + fcid = bfa_fcs_itnim_get_fcid(&itnim->fcs_itnim); + bfad_wwn_to_str(wwpn, wwpn_str); + bfad_fcid_to_str(fcid, fcid_str); + list_del(&itnim->list_entry); + bfa_log(bfad->logmod, BFA_LOG_LINUX_ITNIM_OFFLINE, + im_port->shost->host_no, + itnim->scsi_tgt_id, + fcid_str, wwpn_str); + } + break; + case ITNIM_STATE_FREE: + if (itnim->fc_rport) { + fc_rport = itnim->fc_rport; + ((struct bfad_itnim_data_s *) + fc_rport->dd_data)->itnim = NULL; + itnim->fc_rport = NULL; + if (!(im_port->port->flags & BFAD_PORT_DELETE)) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + fc_remote_port_delete(fc_rport); + spin_lock_irqsave(&bfad->bfad_lock, flags); + } + list_del(&itnim->list_entry); + } + + kfree(itnim); + break; + default: + bfa_assert(0); + break; + } + + spin_unlock_irqrestore(&bfad->bfad_lock, flags); +} + +/** + * @brief + * Scsi_Host template entry, queue a SCSI command to the BFAD. + */ +int +bfad_im_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) +{ + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) cmnd->device->host->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfad_itnim_data_s *itnim_data = cmnd->device->hostdata; + struct bfad_itnim_s *itnim; + struct bfa_ioim_s *hal_io; + unsigned long flags; + int rc; + u16 sg_cnt = 0; + struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device)); + + rc = fc_remote_port_chkready(rport); + if (rc) { + cmnd->result = rc; + done(cmnd); + return 0; + } + + rc = bfad_os_im_dma_map(bfad, cmnd); + if (rc) + return SCSI_MLQUEUE_HOST_BUSY; + + cmnd->scsi_done = done; + if (scsi_sg_count(cmnd)) + sg_cnt = scsi_sg_count(cmnd); + else if (scsi_bufflen(cmnd)) + sg_cnt = 1; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + if (!(bfad->bfad_flags & BFAD_HAL_START_DONE)) { + printk(KERN_WARNING + "bfad%d, queuecommand %p %x failed, HAL stopped\n", + bfad->inst_no, cmnd, cmnd->cmnd[0]); + cmnd->result = ScsiResult(DID_NO_CONNECT, 0); + goto out_fail_cmd; + } + + + itnim = itnim_data->itnim; + if (!itnim) { + cmnd->result = ScsiResult(DID_IMM_RETRY, 0); + goto out_fail_cmd; + } + + hal_io = bfa_ioim_alloc(&bfad->bfa, (struct bfad_ioim_s *) cmnd, + itnim->bfa_itnim, sg_cnt); + if (!hal_io) { + printk(KERN_WARNING "hal_io failure\n"); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + bfad_os_im_dma_unmap(bfad, cmnd); + return SCSI_MLQUEUE_HOST_BUSY; + } + + cmnd->host_scribble = (char *)hal_io; + bfa_trc_fp(bfad, hal_io->iotag); + bfa_ioim_start(hal_io); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + return 0; + +out_fail_cmd: + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + bfad_os_im_dma_unmap(bfad, cmnd); + if (done) + done(cmnd); + + return 0; +} diff -urpN orig/drivers/scsi/bfa/bfad_im_compat.h patch/drivers/scsi/bfa/bfad_im_compat.h --- orig/drivers/scsi/bfa/bfad_im_compat.h 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/bfad_im_compat.h 2008-09-24 12:08:23.000000000 -0700 @@ -0,0 +1,36 @@ +/* + * Copyright (c) 2005-2008 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFAD_IM_COMPAT_H__ +#define __BFAD_IM_COMPAT_H__ + +extern u32 *bfi_image_buf; +extern u32 bfi_image_size; + +extern struct device_attribute *bfad_im_host_attrs[]; + +u32 *bfad_get_firmware_buf(struct pci_dev *pdev); +u32 *bfad_read_firmware(struct pci_dev *pdev); + +static inline void +bfad_load_fwimg(struct pci_dev *pdev) +{ + bfi_image = bfad_get_firmware_buf(pdev); + return; +} + +#endif diff -urpN orig/drivers/scsi/bfa/bfad_im.h patch/drivers/scsi/bfa/bfad_im.h --- orig/drivers/scsi/bfa/bfad_im.h 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/bfad_im.h 2008-09-24 12:08:23.000000000 -0700 @@ -0,0 +1,197 @@ +/* + * Copyright (c) 2005-2008 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFAD_IM_H__ +#define __BFAD_IM_H__ + +#include "fcs/bfa_fcs_fcpim.h" +#include "bfad_im_compat.h" + +#define FCPI_NAME " fcpim" + +#ifndef KOBJ_NAME_LEN +#define KOBJ_NAME_LEN 20 +#endif + +void bfad_flags_set(struct bfad_s *bfad, u32 flags); +bfa_status_t bfad_im_module_init(void); +void bfad_im_module_exit(void); +bfa_status_t bfad_im_probe(struct bfad_s *bfad); +void bfad_im_probe_undo(struct bfad_s *bfad); +void bfad_im_probe_post(struct bfad_im_s *im); +bfa_status_t bfad_im_port_new(struct bfad_s *bfad, struct bfad_port_s *port); +void bfad_im_port_delete(struct bfad_s *bfad, struct bfad_port_s *port); +void bfad_im_port_online(struct bfad_s *bfad, struct bfad_port_s *port); +void bfad_im_port_offline(struct bfad_s *bfad, struct bfad_port_s *port); +void bfad_im_port_clean(struct bfad_im_port_s *im_port); +int bfad_im_scsi_host_alloc(struct bfad_s *bfad, + struct bfad_im_port_s *im_port); +void bfad_im_scsi_host_free(struct bfad_s *bfad, + struct bfad_im_port_s *im_port); + +#define MAX_FCP_TARGET 1024 +#define MAX_FCP_LUN 512 +#define BFAD_TARGET_RESET_TMO 60 +#define BFAD_LUN_RESET_TMO 60 +#define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code) +#define BFA_QUEUE_FULL_RAMP_UP_TIME 120 + +/* + * itnim flags + */ +#define ITNIM_MAPPED 0x00000001 + +#define SCSI_TASK_MGMT 0x00000001 +#define IO_DONE_BIT 0 + +struct bfad_itnim_data_s { + struct bfad_itnim_s *itnim; +}; + +struct bfad_im_port_s { + struct bfad_s *bfad; + struct bfad_port_s *port; + struct work_struct port_delete_work; + int idr_id; + u16 cur_scsi_id; + struct list_head binding_list; + struct Scsi_Host *shost; + struct list_head itnim_mapped_list; +}; + +enum bfad_itnim_state { + ITNIM_STATE_NONE, + ITNIM_STATE_ONLINE, + ITNIM_STATE_OFFLINE_PENDING, + ITNIM_STATE_OFFLINE, + ITNIM_STATE_FREE, +}; + +/* + * Per itnim data structure + */ +struct bfad_itnim_s { + struct list_head list_entry; + struct bfa_fcs_itnim_s fcs_itnim; + struct work_struct itnim_work; + u32 flags; + enum bfad_itnim_state state; + struct bfad_im_s *im; + struct bfad_im_port_s *im_port; + struct bfad_rport_s *drv_rport; + struct fc_rport *fc_rport; + struct bfa_itnim_s *bfa_itnim; + u16 scsi_tgt_id; + u16 queue_work; + unsigned long last_ramp_up_time; + unsigned long last_queue_full_time; +}; + +enum bfad_binding_type { + FCP_PWWN_BINDING = 0x1, + FCP_NWWN_BINDING = 0x2, + FCP_FCID_BINDING = 0x3, +}; + +struct bfad_fcp_binding { + struct list_head list_entry; + enum bfad_binding_type binding_type; + u16 scsi_target_id; + u32 fc_id; + wwn_t nwwn; + wwn_t pwwn; +}; + +struct bfad_im_s { + struct bfad_s *bfad; + struct workqueue_struct *drv_workq; + char drv_workq_name[KOBJ_NAME_LEN]; +}; + +void bfad_os_spin_os_lock_irq(struct Scsi_Host *); +void bfad_os_spin_os_unlock_irq(struct Scsi_Host *); +void bfad_os_fc_release_transp(struct Scsi_Host *shost); +struct Scsi_Host *bfad_os_scsi_host_alloc(struct scsi_host_template *, + struct bfad_im_port_s *im_port, struct bfad_s *); +int bfad_os_scsi_register(struct Scsi_Host *shost, + struct bfad_im_port_s *im_port, void *key); +int bfad_os_fc_attach(struct Scsi_Host *shost, + struct fc_function_template *fct); +int bfad_os_reset_tgt(struct scsi_cmnd *cmnd); +void bfad_os_scsi_set_pci_device(struct Scsi_Host *shost, + struct pci_dev *pcidev); +void bfad_os_select_queue_depths(struct bfad_im_port_s *im_port); +bfa_status_t bfad_os_thread_workq(struct bfad_s *bfad); +void bfad_os_destroy_workq(struct bfad_im_s *im); +void bfad_os_queue_work(void *workq, void *work); +void bfad_os_itnim_alloc(struct bfad_itnim_s *itnim_drv); +void bfad_os_itnim_process(struct bfad_itnim_s *itnim_drv); +void bfad_os_scsi_unregister(struct Scsi_Host *shost); +void bfad_os_scsi_remove_host(struct Scsi_Host *shost); +void bfad_os_scsi_put_host(struct Scsi_Host *shost); +int bfad_os_scsi_add_host(struct Scsi_Host *shost, struct device *dev); +int bfad_os_fc_attach(struct Scsi_Host *shost, + struct fc_function_template *fct); + +struct bfad_itnim_data_s *bfad_os_itnim_data(struct bfad_im_port_s *im_port, + struct scsi_cmnd *cmnd); +void bfad_os_fc_host_init(struct bfad_im_port_s *im_port); +void bfad_os_fc_remove_host(struct Scsi_Host *shost); +void bfad_os_init_work(struct bfad_im_port_s *im_port); +int bfad_os_dev_init(struct Scsi_Host *shost); +void bfad_os_transp_templ(struct Scsi_Host *sh, + struct scsi_transport_template *stt); +dma_addr_t bfad_os_dma_map_single(struct device *dev, void *cpu_addr, + size_t size, enum dma_data_direction direction); +void bfad_os_dma_unmap_single(struct device *dev, dma_addr_t dma_addr, + size_t size, enum dma_data_direction direction); +int bfad_os_dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, + enum dma_data_direction direction); +void bfad_os_dma_unmap_sg(struct device *dev, struct scatterlist *sg, + int nhwentries, enum dma_data_direction direction); +int bfad_os_im_dma_map(struct bfad_s *bfad, struct scsi_cmnd *cmnd); +void bfad_os_im_dma_unmap(struct bfad_s *bfad, struct scsi_cmnd *cmnd); +int bfad_os_idr_get_new(struct idr *idp, void *ptr, int *id); +void bfad_os_scsi_state_changed(struct Scsi_Host *shost); +void bfad_os_scsi_scan(struct bfad_im_port_s *im_port); +void bfad_os_scsi_host_free(struct bfad_s *bfad, + struct bfad_im_port_s *im_port); +void bfad_wwn_to_str(wwn_t wwn, char *str); +void bfad_fcid_to_str(u32 fcid, char *str); +void bfad_os_ramp_up_qdepth(struct bfad_itnim_s *itnim, + struct scsi_device *sdev); +void bfad_os_handle_qfull(struct bfad_itnim_s *itnim, struct scsi_device *sdev); +void bfad_os_set_dev_loss_tmo(struct scsi_device *sdev); +struct bfad_itnim_s *bfad_os_get_itnim(struct bfad_im_port_s *im_port, int id); + +/* + * scsi_host_template entries + */ +int bfad_im_queuecommand(struct scsi_cmnd *cmnd, + void (*done)(struct scsi_cmnd *)); +const char *bfad_im_info(struct Scsi_Host *host); +int bfad_im_slave_alloc(struct scsi_device *sdev); +void bfad_im_slave_destroy(struct scsi_device *sdev); +int bfad_im_abort_handler(struct scsi_cmnd *cmnd); +int bfad_im_reset_lun_handler(struct scsi_cmnd *cmnd); +int bfad_im_reset_bus_handler(struct scsi_cmnd *cmnd); + +extern struct scsi_host_template bfad_im_scsi_host_template; +extern struct fc_function_template bfad_im_fc_function_template; +extern struct scsi_transport_template *bfad_im_scsi_transport_template; + +#endif diff -urpN orig/drivers/scsi/bfa/bfad_intr.c patch/drivers/scsi/bfa/bfad_intr.c --- orig/drivers/scsi/bfa/bfad_intr.c 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/bfad_intr.c 2008-09-24 12:08:24.000000000 -0700 @@ -0,0 +1,338 @@ +/* + * Copyright (c) 2005-2008 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include "bfad_drv.h" +#include "bfad_trcmod.h" + +BFA_TRC_FILE(LDRV, INTR); + +int msix_disable = 1; + +/** + * @dg bfa_isr BFA driver interrupt functions + * @{ + */ +irqreturn_t bfad_intx(int irq, void *dev_id); + +/** + * @brief + * Line based interrupt handler. + */ +irqreturn_t +bfad_intx(int irq, void *dev_id) +{ + struct bfad_s *bfad = dev_id; + struct bfa_q_s doneq; + unsigned long flags; + enum bfa_isr_status rc; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + rc = bfa_intx(&bfad->bfa); + if (rc == BFA_ISR_NOTCLAIMED) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + return IRQ_NONE; + } + + bfa_comp_deq(&bfad->bfa, &doneq); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + if (!bfa_q_is_empty(&doneq)) { + bfa_comp_process(&bfad->bfa, &doneq); + + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_comp_free(&bfad->bfa, &doneq); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + bfa_trc_fp(bfad, irq); + } + + return IRQ_HANDLED; + +} + +#ifdef CONFIG_PCI_MSI +#define BFAD_MSIX_REQQ(id) \ +static irqreturn_t bfad_msix_reqq##id(int irq, void *dev_id) \ +{ \ + struct bfad_s *bfad = dev_id; \ + \ + bfa_trc(bfad, irq); \ + spin_lock(&bfad->bfad_lock); \ + bfa_msix_reqq(&bfad->bfa, id); \ + spin_unlock(&bfad->bfad_lock); \ + \ + return IRQ_HANDLED; \ +} + +BFAD_MSIX_REQQ(0) +BFAD_MSIX_REQQ(1) +BFAD_MSIX_REQQ(2) +BFAD_MSIX_REQQ(3) +BFAD_MSIX_REQQ(4) +BFAD_MSIX_REQQ(5) +BFAD_MSIX_REQQ(6) +BFAD_MSIX_REQQ(7) + +#define BFAD_MSIX_RSPQ(id) \ +static irqreturn_t bfad_msix_rspq##id(int irq, void *dev_id) \ +{ \ + struct bfad_s *bfad = dev_id; \ + struct bfa_q_s doneq; \ + enum bfa_isr_status rc; \ + \ + bfa_trc(bfad, irq); \ + spin_lock(&bfad->bfad_lock); \ + rc = bfa_msix_rspq(&bfad->bfa, id); \ + bfa_comp_deq(&bfad->bfa, &doneq); \ + \ + if (!bfa_q_is_empty(&doneq)) { \ + spin_unlock(&bfad->bfad_lock); \ + bfa_comp_process(&bfad->bfa, &doneq); \ + spin_lock(&bfad->bfad_lock); \ + bfa_comp_free(&bfad->bfa, &doneq); \ + } \ + spin_unlock(&bfad->bfad_lock); \ + \ + return IRQ_HANDLED; \ +} + +BFAD_MSIX_RSPQ(0) +BFAD_MSIX_RSPQ(1) +BFAD_MSIX_RSPQ(2) +BFAD_MSIX_RSPQ(3) +BFAD_MSIX_RSPQ(4) +BFAD_MSIX_RSPQ(5) +BFAD_MSIX_RSPQ(6) +BFAD_MSIX_RSPQ(7) + +static irqreturn_t +bfad_msix_lpu(int irq, void *dev_id) +{ + struct bfad_s *bfad = dev_id; + + bfa_trc(bfad, bfad->inst_no); + bfa_trc(bfad, irq); + spin_lock(&bfad->bfad_lock); + bfa_msix_lpu(&bfad->bfa); + spin_unlock(&bfad->bfad_lock); + + return IRQ_HANDLED; +} + +static irqreturn_t +bfad_msix_errint(int irq, void *dev_id) +{ + struct bfad_s *bfad = dev_id; + + bfa_trc(bfad, irq); + spin_lock(&bfad->bfad_lock); + bfa_msix_errint(&bfad->bfa); + spin_unlock(&bfad->bfad_lock); + + return IRQ_HANDLED; +} + +/* + * Global interrupt handler table, one to one map to each bit of the chip + * interrupt register. + */ +static irq_handler_t bfad_msix_isr[] = { + (irq_handler_t) bfad_msix_reqq0, + (irq_handler_t) bfad_msix_reqq1, + (irq_handler_t) bfad_msix_reqq2, + (irq_handler_t) bfad_msix_reqq3, + (irq_handler_t) bfad_msix_reqq4, + (irq_handler_t) bfad_msix_reqq5, + (irq_handler_t) bfad_msix_reqq6, + (irq_handler_t) bfad_msix_reqq7, + (irq_handler_t) bfad_msix_rspq0, + (irq_handler_t) bfad_msix_rspq1, + (irq_handler_t) bfad_msix_rspq2, + (irq_handler_t) bfad_msix_rspq3, + (irq_handler_t) bfad_msix_rspq4, + (irq_handler_t) bfad_msix_rspq5, + (irq_handler_t) bfad_msix_rspq6, + (irq_handler_t) bfad_msix_rspq7, + (irq_handler_t) bfad_msix_errint, + (irq_handler_t) bfad_msix_errint, + (irq_handler_t) bfad_msix_errint, + (irq_handler_t) bfad_msix_errint, + (irq_handler_t) bfad_msix_lpu, + (irq_handler_t) bfad_msix_lpu, + (irq_handler_t) bfad_msix_lpu, + (irq_handler_t) bfad_msix_lpu, +}; + +/** + * @brief + * Initialize the MSIX entry table. + */ +static void +bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries, + int mask, int max_bit) +{ + int i; + int match = 0x00000001; + + for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) { + if (mask & match) { + bfad->msix_tab[bfad->nvec].msix.entry = i; + msix_entries[bfad->nvec].entry = i; + bfad->msix_tab[bfad->nvec++].handler = bfad_msix_isr[i]; + } + + match <<= 1; + } + +} + +static int +bfad_install_msix_handler(struct bfad_s *bfad) +{ + int i, error = 0; + + for (i = 0; i < bfad->nvec; i++) { + error = request_irq(bfad->msix_tab[i].msix.vector, + bfad->msix_tab[i].handler, 0, + BFAD_DRIVER_NAME, bfad); + printk(KERN_WARNING "%s: bfad%d irq %d\n", __FUNCTION__, + bfad->inst_no, bfad->msix_tab[i].msix.vector); + + if (error) { + int j; + + for (j = 0; j < i; j++) + free_irq(bfad->msix_tab[j].msix.vector, bfad); + + return 1; + } + } + + return 0; +} + +/** + * @brief + * Setup MSIX based interrupt. + */ +int +bfad_setup_intr(struct bfad_s *bfad) +{ + int error = 0; + + if (!msix_disable) { + u32 mask = 0, i, num_bit = 0, max_bit = 0; + struct msix_entry msix_entries[MAX_MSIX_ENTRY]; + + /* Call BFA to get the msix map for this PCI function. */ + bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit); + + /* Set up the msix entry table */ + bfad_init_msix_entry(bfad, msix_entries, mask, max_bit); + + error = pci_enable_msix(bfad->pcidev, msix_entries, bfad->nvec); + if (error) { + /* + * Only error number of vector is available. + * We don't have a mechanism to map multiple + * interrupts into one vector, so even if we + * can try to request less vectors, we don't + * know how to associate interrupt events to + * vectors. Linux doesn't dupicate vectors + * in the MSIX table for this case. + */ + + printk(KERN_WARNING + "%s: enable_msix failed, %d bfad%d\n", + __FUNCTION__, error, bfad->inst_no); + + goto line_based; + } + + /* Save the vectors */ + for (i = 0; i < bfad->nvec; i++) + bfad->msix_tab[i].msix.vector = msix_entries[i].vector; + + /* Set up interrupt handler for each vectors */ + if (bfad_install_msix_handler(bfad)) { + printk(KERN_WARNING "%s: install_msix failed, bfad%d\n", + __FUNCTION__, bfad->inst_no); + goto line_based; + } + + bfad->bfad_flags |= BFAD_MSIX_ON; + + goto success; + } + +line_based: + error = 0; + if (request_irq + (bfad->pcidev->irq, (irq_handler_t) bfad_intx, BFAD_IRQ_FLAGS, + BFAD_DRIVER_NAME, bfad) != 0) { + /* Enable interrupt handler failed */ + return 1; + } +success: + return error; +} + +void +bfad_remove_intr(struct bfad_s *bfad) +{ + int i; + + if (bfad->bfad_flags & BFAD_MSIX_ON) { + for (i = 0; i < bfad->nvec; i++) + free_irq(bfad->msix_tab[i].msix.vector, bfad); + + pci_disable_msix(bfad->pcidev); + bfad->bfad_flags &= ~BFAD_MSIX_ON; + } else { + free_irq(bfad->pcidev->irq, bfad); + } +} + +#else /* CONFIG_PCI_MSI */ +/** + * @brief + * Setup line-based interrupt. + */ +int +bfad_setup_intr(struct bfad_s *bfad) +{ + if (request_irq + (bfad->pcidev->irq, (irq_handler_t) bfad_intx, SA_SHIRQ, + BFAD_DRIVER_NAME, bfad) != 0) { + /* Enable interrupt handler failed */ + return 1; + } + + return 0; +} + +void +bfad_remove_intr(struct bfad_s *bfad) +{ + bfa_trc(bfad, bfad->pcidev->irq); + free_irq(bfad->pcidev->irq, bfad); +} + +#endif /* CONFIG_PCI_MSI */ + +/** + * @} + */ diff -urpN orig/drivers/scsi/bfa/bfad_ipfc.h patch/drivers/scsi/bfa/bfad_ipfc.h --- orig/drivers/scsi/bfa/bfad_ipfc.h 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/bfad_ipfc.h 2008-09-24 12:08:24.000000000 -0700 @@ -0,0 +1,36 @@ +/* + * Copyright (c) 2005-2008 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +#ifndef __BFA_DRV_IPFC_H__ +#define __BFA_DRV_IPFC_H__ + + +#define IPFC_NAME "" + +#define bfad_ipfc_module_init() do {} while (0) +#define bfad_ipfc_module_exit() do {} while (0) +#define bfad_ipfc_probe(x) do {} while (0) +#define bfad_ipfc_probe_undo(x) do {} while (0) +#define bfad_ipfc_port_config(x, y) BFA_STATUS_OK +#define bfad_ipfc_port_unconfig(x, y) do {} while (0) +#define bfad_ipfc_probe_post(x) do {} while (0) + +#define bfad_ipfc_port_new(x, y, z) BFA_STATUS_OK +#define bfad_ipfc_port_delete(x, y) do {} while (0) +#define bfad_ipfc_port_online(x, y) do {} while (0) +#define bfad_ipfc_port_offline(x, y) do {} while (0) + +#endif diff -urpN orig/drivers/scsi/bfa/bfad_os.c patch/drivers/scsi/bfa/bfad_os.c --- orig/drivers/scsi/bfa/bfad_os.c 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/bfad_os.c 2008-09-24 12:08:24.000000000 -0700 @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2005-2008 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * @file bfad_os.c Linux driver OS specific calls. + */ + +#include "bfa_os_inc.h" +#include "bfad_drv.h" + +void +bfa_os_gettimeofday(struct bfa_timeval_s *tv) +{ + struct timeval tmp_tv; + + do_gettimeofday(&tmp_tv); + tv->tv_sec = (u32) tmp_tv.tv_sec; + tv->tv_usec = (u32) tmp_tv.tv_usec; +} + +void +bfa_os_printf(struct bfa_log_mod_s *log_mod, u32 msg_id, + const char *fmt, ...) +{ + va_list ap; + #define BFA_STRING_256 256 + char tmp[BFA_STRING_256]; + + va_start(ap, fmt); + vsprintf(tmp, fmt, ap); + va_end(ap); + + printk(tmp); +} + +u32 +bfa_os_get_instance_id(struct bfad_s *bfad) +{ + return (bfad->inst_no); +} + +/** + * @} + */ diff -urpN orig/drivers/scsi/bfa/bfad_sysfs.c patch/drivers/scsi/bfa/bfad_sysfs.c --- orig/drivers/scsi/bfa/bfad_sysfs.c 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/bfad_sysfs.c 2008-09-24 12:08:24.000000000 -0700 @@ -0,0 +1,2721 @@ +/* + * Copyright (c) 2005-2008 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * @file bfad_sysfs.c Linux driver sysfs interface functionality. + */ + +/* +* SYSFS Directory Structure for Brocade HBAs: + * + * The ROOT_DIR is automatically created by the OS when a HBA is present. +* Eg: ROOT_DIR for HBA in slot 6 : +* /sys/devices/pci0000:00/0000:00:06.0/0000:10:00.0/ // instance .0 +* /sys/devices/pci0000:00/0000:00:06.0/0000:10:00.1/ // instance .1 + * +* The following sub-directory structure will be created by the driver: + * + * <ROOT_DIR>/bfa/ioc/ + * | /stats + * /pport/ + * | /stats + * /lport-0/ + * | /stats + * | /refresh_rports + * | /rp-00000000000001/ + * | /stats + * + */ + +#include "bfad_drv.h" +#include "bfad_trcmod.h" +#include "bfad_sysfs.h" +#include "fcs/bfa_fcs_fcpim.h" +#include <log/bfa_log_linux.h> +#include <linux/module.h> + +#define SYSFS_MAX_RPORTS (2 * 1024) +#define MAX_VAL -1 + +struct bfa_state { + int code; + char *str; +}; + +static char *bfad_sysfs_private_kobject_get_path(struct kobject *kobj, + gfp_t gfp_mask); +static void bfad_sysfs_hcb_comp(void *arg, bfa_status_t status); +static char *bfad_sysfs_state_to_string(int state, struct bfa_state *table); +static int my_strcspn(char *path, const char *sub); +static int bfad_sysfs_snprint_pwwn(wwn_t w, char *buf, int len); +static int bfad_sysfs_print_pwwn(wwn_t w, char *buf); +static bfa_boolean_t bfad_sysfs_get_port_wwn_no_col(char *pid, wwn_t *pn); +static struct bfad_s *bfad_sysfs_get_param(struct kobject *kobj, int *ioc_inst, + int *vf_id, u64 *vport_id, + u64 *rport_id); +static struct bfad_s *bfad_find_bfad_by_kobj(struct kobject *kobj); + +static struct bfa_state port_state_table[] = { + {0, "Unknown"}, + {BFA_PPORT_ST_UNINIT, "Uninit"}, + {BFA_PPORT_ST_ENABLING_QWAIT, "Enabling (qwait)"}, + {BFA_PPORT_ST_ENABLING, "Enabling"}, + {BFA_PPORT_ST_LINKDOWN, "Linkdown"}, + {BFA_PPORT_ST_LINKUP, "Linkup"}, + {BFA_PPORT_ST_DISABLING_QWAIT, "Disabling (qwait)"}, + {BFA_PPORT_ST_DISABLING, "Disabling"}, + {BFA_PPORT_ST_DISABLED, "Disabled"}, + {BFA_PPORT_ST_STOPPED, "Stopped"}, + {BFA_PPORT_ST_IOCDOWN, "IOC down"}, + {BFA_PPORT_ST_MAX_STATE, "Invalid"}, + {MAX_VAL, "--"} +}; + +static struct bfa_state vport_state_table[] = { + {BFA_FCS_VPORT_UNINIT, "Uninit"}, + {BFA_FCS_VPORT_CREATED, "Created"}, + {BFA_FCS_VPORT_OFFLINE, "Offline"}, + {BFA_FCS_VPORT_FDISC_SEND, "Fdisc Send"}, + {BFA_FCS_VPORT_FDISC, "Fdisc"}, + {BFA_FCS_VPORT_FDISC_RETRY, "Fdisc Retry"}, + {BFA_FCS_VPORT_ONLINE, "Online"}, + {BFA_FCS_VPORT_DELETING, "Deleting"}, + {BFA_FCS_VPORT_CLEANUP, "Cleanup"}, + {BFA_FCS_VPORT_LOGO_SEND, "Logo Send"}, + {BFA_FCS_VPORT_LOGO, "Logo"}, + {MAX_VAL, "--"}, +}; + +/* + * rport state + */ +static struct bfa_state rport_state_table[] = { + {BFA_RPORT_UNINIT, "uninit"}, + {BFA_RPORT_OFFLINE, "offline"}, + {BFA_RPORT_PLOGI, "plogi"}, + {BFA_RPORT_ONLINE, "online"}, + {BFA_RPORT_PLOGI_RETRY, "retry"}, + {BFA_RPORT_NSQUERY, "nsquery"}, + {BFA_RPORT_ADISC, "adisc"}, + {BFA_RPORT_LOGO, "logo"}, + {BFA_RPORT_LOGORCV, "logorecv"}, + {BFA_RPORT_NSDISC, "nsdisc"}, + {MAX_VAL, "--"} +}; + +/* + * fcpim state + */ +static struct bfa_state fcpim_state_table[] = { + {BFA_ITNIM_OFFLINE, "offline"}, + {BFA_ITNIM_PRLI_SEND, "prli send"}, + {BFA_ITNIM_PRLI_SENT, "prli sent"}, + {BFA_ITNIM_PRLI_RETRY, "prli retry"}, + {BFA_ITNIM_HCB_ONLINE, "online callback"}, + {BFA_ITNIM_ONLINE, "online"}, + {BFA_ITNIM_HCB_OFFLINE, "offline callback"}, + {BFA_ITNIM_INITIATIOR, "initiator"}, + {MAX_VAL, "--"} +}; + +static char * +bfad_sysfs_state_to_string(int state, struct bfa_state *table) +{ + int j = 0; + while (table[j].code <= BFA_RPORT_NSDISC) { + if (table[j].code == state) + return table[j].str; + j++; + } + return "unknown"; +} + +/* + * strcspn() is not found in certain Linux falvors. + * So, implementing our own. + */ +static int +my_strcspn(char *path, const char *sub) +{ + int i; + + for (i = 0; i <= strlen(path) - strlen(sub); i++) { + if (strncmp((path + i), sub, strlen(sub)) == 0) + return i; + } + + return 0; +} + +static LIST_HEAD(bfad_kobj_base_list); + +enum bfad_kobj_type { + KOBJ_TYPE_NONE = 0, + KOBJ_TYPE_IOC, + KOBJ_TYPE_PPORT, + KOBJ_TYPE_VF, + KOBJ_TYPE_VPORT, + KOBJ_TYPE_RPORT, + KOBJ_TYPE_LPORT, + KOBJ_TYPE_ITNIM +}; + +/** + * @brief Node which is the directory that has information about the node. + * If the directory is a VF node, then it has a list of Vports created + * under it. + */ +struct bfad_kobj_s { + struct list_head kobj_list_entry; + enum bfad_kobj_type type; /* Type of the node */ + u8 inst; /* Instance = 0 or 1 */ + u16 vf_id; /* VF ID */ + u64 vport_id; /* VPORT ID */ + u64 rport_id; /* RPORT ID */ + u64 pwwn; /* PWWN */ + struct kobject *kobj; /* kobj of the node itself */ + struct list_head kobj_vport_list; /* List of all vports of a + *VF */ +}; + +static void +fill_kobj_path(struct kobject *kobj, char *path, int length) +{ + struct kobject *parent; + + --length; + for (parent = kobj; parent; parent = parent->parent) { + int cur = strlen(kobject_name(parent)); + /* + * back up enough to print this name with '/' + */ + length -= cur; + strncpy(path + length, kobject_name(parent), cur); + *(path + --length) = '/'; + } + + pr_debug("%s: path = '%s'\n", __FUNCTION__, path); +} + +static int +get_kobj_path_length(struct kobject *kobj) +{ + int length = 1; + struct kobject *parent = kobj; + + /* + * walk up the ancestors until we hit the one pointing to the root. + * Add 1 to strlen for leading '/' of each level. + */ + do { + if (kobject_name(parent) == NULL) + return 0; + length += strlen(kobject_name(parent)) + 1; + parent = parent->parent; + } while (parent); + + return length; +} + +/** + * kobject_get_path - generate and return the path associated with a given + * kobj and kset pair. + * +* @kobj: kobject in question, with which to build the path +* @gfp_mask: the allocation type used to allocate the path + * + * The result must be freed by the caller with kfree(). + */ +static char * +bfad_sysfs_private_kobject_get_path(struct kobject *kobj, gfp_t gfp_mask) +{ + char *path; + int len; + + len = get_kobj_path_length(kobj); + if (len == 0) + return NULL; + path = kzalloc(len, gfp_mask); + if (!path) + return NULL; + fill_kobj_path(kobj, path, len); + + return path; +} + +char * +bfad_os_sysfs_get_ioc_path(struct bfad_s *bfad) +{ + return bfad_sysfs_private_kobject_get_path(&bfad->pcidev->dev.kobj, + GFP_ATOMIC); + +} + +union PWWN{ + unsigned char p[8]; + wwn_t pn; +}; + +static int +bfad_sysfs_snprint_pwwn(wwn_t w, char *buf, int len) +{ + union PWWN p; + int i = 0; + + p.pn = w; + while (i < 8) { + len += snprintf(buf + len, PAGE_SIZE - len, "%02x", p.p[i]); + if (i == 7) + break; + len += snprintf(buf + len, PAGE_SIZE - len, ":"); + i++; + } + + return len; +} + +static int +bfad_sysfs_print_pwwn(wwn_t w, char *buf) +{ + union PWWN p; + int i = 0, len = 0; + + p.pn = w; + while (i < 8) { + len += snprintf(buf + len, PAGE_SIZE - len, "%02x", p.p[i]); + if (i == 7) + break; + i++; + } + + return len; +} + +static bfa_boolean_t +bfad_sysfs_get_port_wwn_no_col(char *pid, wwn_t *pn) +{ + union PWWN pp; + int i = 0; + u8 x; + char str[100]; + strcpy(str, ""); + while (i < 8) { + strncpy(str, &pid[i * 2], 2); + str[2] = '\0'; + sscanf(str, "%hhx", &x); + pp.p[i] = x; + i++; + } + memcpy(pn, &pp.pn, 8); + return BFA_TRUE; +} + +/** + * @brief Function to parse the directory path to get ioc instance + * VF ID (if applicable) and VPORT ID (if applicable) + * @param[in] kobj - kobject of the directory to parse + * @param[out] ioc_inst - IOC instance + * @param[out] vf_id - VF ID + * @param[out] vport_id - PWWN of the VPORT + * @param[out] rport_id - PWWN of the RPORT + * @retval struct bfad_s - if the instance if found and if there is not + * parsing error + */ +static struct bfad_s * +bfad_sysfs_get_param(struct kobject *kobj, int *ioc_inst, int *vf_id, + u64 *vport_id, u64 *rport_id) +{ + char *path, *str, wwn_str[100], tmp_str[100]; + struct bfad_s *bfad; + u8 idx; + + path = bfad_sysfs_private_kobject_get_path(kobj, GFP_ATOMIC); + + /* + * extract the instance from the path + */ + strcpy(tmp_str, path); + idx = my_strcspn(tmp_str, "bfa"); + if (idx == 0) { + kfree(path); + return NULL; + } + + tmp_str[idx - 1] = '\0'; + idx = strlen(tmp_str); + while (tmp_str[idx] != '.') + idx--; + sscanf((tmp_str + idx + 1), "%d", ioc_inst); + + bfad = bfad_os_find_bfad_by_path(path); + if (bfad == NULL) { + kfree(path); + return NULL; + } + + /* + * Check if we are at the vf level, if so get the VF ID + */ + *vf_id = 0; + str = strstr(path, "/vf/"); + if (str) + sscanf(str, "/vf/vf-%X", vf_id); + + *vport_id = 0; + *rport_id = 0; + + /* + * Check if we are at the rport level, if so get the RPORT ID + */ + str = strstr(path, "/rp-"); + if (str) { + sscanf(str, "/rp-%s", wwn_str); + bfad_sysfs_get_port_wwn_no_col(wwn_str, rport_id); + } + /* + * Check if we are at the vport level, if so get the VPORT ID + */ + str = strstr(path, "/vp-"); + if (str) { + sscanf(str, "/vp-%s", wwn_str); + bfad_sysfs_get_port_wwn_no_col(wwn_str, vport_id); + } + + kfree(path); + return bfad; +} + +static struct bfad_s * +bfad_find_bfad_by_kobj(struct kobject *kobj) +{ + struct bfad_s *bfad = NULL, *rc = NULL; + + down(&bfad_sem); + list_for_each_entry(bfad, &bfad_list, list_entry) { + if (bfad->ioc_kobj == kobj || bfad->pport_kobj == kobj + || bfad->lport_kobj == kobj) { + rc = bfad; + break; + } + } + up(&bfad_sem); + return rc; +} + +/* + * ITNIM Commands + */ +static ssize_t +bfad_itnim_show_attr(struct bfad_s *bfad, int vf_id, wwn_t pwwn, wwn_t rpwwn, + char *buf, struct kobj_attribute *sys_attr) +{ + struct bfa_itnim_attr_s attr; + struct bfa_fcs_port_s *fcs_port; + unsigned long flags; + bfa_status_t status; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + fcs_port = bfa_fcs_lookup_port(&bfad->bfa_fcs, vf_id, pwwn); + if (fcs_port == NULL) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + return snprintf(buf, PAGE_SIZE, "can't find FCS port\n"); + } + + status = bfa_fcs_itnim_attr_get(fcs_port, rpwwn, &attr); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + if (status != BFA_STATUS_OK) + return snprintf(buf, PAGE_SIZE, + "error getting itnim attribute\n"); + + if (strcmp(sys_attr->attr.name, "state") == 0) { + return snprintf(buf, PAGE_SIZE, "%s\n", + bfad_sysfs_state_to_string(attr.state, + fcpim_state_table)); + } else { + return 0; + } +} + +static ssize_t +bfad_itnim_stats_show(struct kobject *kobj, struct kobj_attribute *sys_attr, + char *buf) +{ + int ioc_inst = 1; + struct bfad_s *bfad; + int vf_id; + u64 rpwwn, vpwwn; + struct bfa_pport_attr_s pattr; + unsigned long flags; + struct bfa_itnim_stats_s stats; + struct bfa_fcs_port_s *fcs_port; + + bfad = bfad_sysfs_get_param(kobj, &ioc_inst, &vf_id, &vpwwn, &rpwwn); + if (bfad == NULL) + return snprintf(buf, PAGE_SIZE, "Error finding bfad\n"); + + if (vpwwn == 0) { + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_pport_get_attr(&bfad->bfa, &pattr); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + vpwwn = pattr.pwwn; + } + + spin_lock_irqsave(&bfad->bfad_lock, flags); + fcs_port = bfa_fcs_lookup_port(&bfad->bfa_fcs, vf_id, vpwwn); + if (fcs_port == NULL) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + return snprintf(buf, PAGE_SIZE, "can't find FCS port\n"); + } + + if (bfa_fcs_itnim_stats_get(fcs_port, rpwwn, &stats) != BFA_STATUS_OK) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + return snprintf(buf, PAGE_SIZE, "error getting itnim stats"); + } + + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + if (strcmp(sys_attr->attr.name, "onlines") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.onlines); + else if (strcmp(sys_attr->attr.name, "offlines") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.offlines); + else if (strcmp(sys_attr->attr.name, "prli_sent") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.prli_sent); + else if (strcmp(sys_attr->attr.name, "prli_rsp_acc") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.prli_rsp_acc); + else if (strcmp(sys_attr->attr.name, "prli_rsp_err") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.prli_rsp_err); + else if (strcmp(sys_attr->attr.name, "prli_rsp_parse_err") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", + stats.prli_rsp_parse_err); + else if (strcmp(sys_attr->attr.name, "fcxp_alloc_wait") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.fcxp_alloc_wait); + else if (strcmp(sys_attr->attr.name, "second_level_error_recovery") == + 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.sler); + else if (strcmp(sys_attr->attr.name, "initiator_mode") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.initiator); + else + return 0; +} + +/** + * @brief Function to show RPORT-ITNIM attributes + * @param[in] kobj - kobject of the 'ioc' directory <ROOT/INST/bfa/ioc> + * @param[in] attr - Attributes of the directory + * @param[in] buf - Buffer to be filled in. + * @retval - Number of bytes of 'buf' filled in. + */ +static ssize_t +bfad_sysfs_itnim_show(struct kobject *kobj, struct kobj_attribute *attr, + char *buf) +{ + int ioc_inst = 1; + struct bfad_s *bfad; + int vf_id; + u64 rpwwn, vpwwn; + struct bfa_pport_attr_s pattr; + unsigned long flags; + + bfad = bfad_sysfs_get_param(kobj, &ioc_inst, &vf_id, &vpwwn, &rpwwn); + if (bfad == NULL) + return snprintf(buf, PAGE_SIZE, "error finding IOC.\n"); + + if (vpwwn == 0) { + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_pport_get_attr(&bfad->bfa, &pattr); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + vpwwn = pattr.pwwn; + } + + return bfad_itnim_show_attr(bfad, vf_id, vpwwn, rpwwn, buf, attr); +} + +/** + * @brief Function to configure RPORT-ITNIM attributes e.g. statsclear + * @param[in] kobj - kobject of the 'ioc' directory <ROOT/INST/bfa/ioc> + * @param[in] attr - Attributes of the directory + * @param[in] buf - Buffer contains user input + * @param[in] count - Number of bytes in 'buf' + * @retval count - Number of bytes of 'buf' used in the function + */ +static ssize_t +bfad_sysfs_itnim_store(struct kobject *kobj, struct kobj_attribute *attr, + const char *buf, size_t count) +{ + int ioc_inst = 1; + struct bfad_s *bfad; + int vf_id; + u64 rpwwn, vpwwn; + struct bfa_fcs_port_s *fcs_port; + struct bfa_fcs_itnim_s *itnim; + struct bfa_pport_attr_s pattr; + unsigned long flags; + + bfad = bfad_sysfs_get_param(kobj, &ioc_inst, &vf_id, &vpwwn, &rpwwn); + if (bfad == NULL) + return count; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + if (vpwwn == 0) { + bfa_pport_get_attr(&bfad->bfa, &pattr); + vpwwn = pattr.pwwn; + } + + if (strcmp(attr->attr.name, "reset") == 0) { + fcs_port = bfa_fcs_lookup_port(&bfad->bfa_fcs, vf_id, vpwwn); + if (fcs_port == NULL) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + return count; + } + + itnim = bfa_fcs_itnim_lookup(fcs_port, rpwwn); + if (itnim == NULL) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + return count; + } + + bfa_fcs_itnim_stats_clear(fcs_port, rpwwn); + bfa_itnim_clear_stats(bfa_fcs_itnim_get_halitn(itnim)); + } + + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + return count; +} + +static struct kobj_attribute itnim_state_attribute = +__ATTR(state, 0444, bfad_sysfs_itnim_show, NULL); + +static struct kobj_attribute itnim_stats_onlines_attribute = +__ATTR(onlines, 0444, bfad_itnim_stats_show, NULL); +static struct kobj_attribute itnim_stats_offlines_attribute = +__ATTR(offlines, 0444, bfad_itnim_stats_show, NULL); +static struct kobj_attribute itnim_stats_prli_sent_attribute = +__ATTR(prli_sent, 0444, bfad_itnim_stats_show, NULL); +static struct kobj_attribute itnim_stats_prli_rsp_acc_attribute = +__ATTR(prli_rsp_acc, 0444, bfad_itnim_stats_show, NULL); +static struct kobj_attribute itnim_stats_prli_rsp_err_attribute = +__ATTR(prli_rsp_err, 0444, bfad_itnim_stats_show, NULL); +static struct kobj_attribute itnim_stats_prli_rsp_parse_err_attribute = +__ATTR(prli_rsp_parse_err, 0444, bfad_itnim_stats_show, NULL); +static struct kobj_attribute itnim_stats_fcxp_alloc_wait_attribute = +__ATTR(fcxp_alloc_wait, 0444, bfad_itnim_stats_show, NULL); +static struct kobj_attribute itnim_stats_sec_level_err_recovery_attribute = +__ATTR(second_level_error_recovery, 0444, bfad_itnim_stats_show, NULL); +static struct kobj_attribute itnim_stats_initiator_mode_attribute = +__ATTR(initiator_mode, 0444, bfad_itnim_stats_show, NULL); +static struct kobj_attribute itnim_stats_reset_attribute = +__ATTR(reset, 0200, NULL, bfad_sysfs_itnim_store); + +static struct attribute *itnim_stats[] = { + &itnim_stats_onlines_attribute.attr, + &itnim_stats_offlines_attribute.attr, + &itnim_stats_prli_sent_attribute.attr, + &itnim_stats_prli_rsp_acc_attribute.attr, + &itnim_stats_prli_rsp_err_attribute.attr, + &itnim_stats_prli_rsp_parse_err_attribute.attr, + &itnim_stats_fcxp_alloc_wait_attribute.attr, + &itnim_stats_sec_level_err_recovery_attribute.attr, + &itnim_stats_initiator_mode_attribute.attr, + &itnim_stats_reset_attribute.attr, + NULL, +}; + +static struct attribute_group itnim_stats_group = { + .attrs = itnim_stats, + .name = "statistics", +}; + +static struct attribute *itnim_attrs[] = { + &itnim_state_attribute.attr, + NULL, +}; + +static struct attribute_group itnim_attr_group = { + .attrs = itnim_attrs, +}; + +/* + * RPORT Commands + */ +static ssize_t +bfad_rport_attr_show(struct bfad_s *bfad, int vf_id, wwn_t pwwn, wwn_t rpwwn, + char *buf, struct kobj_attribute *sys_attr) +{ + int len = 0; + struct bfa_rport_attr_s attr; + struct bfa_fcs_port_s *fcs_port; + struct bfa_fcs_rport_s *fcs_rport; + unsigned long flags; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + fcs_port = bfa_fcs_lookup_port(&bfad->bfa_fcs, vf_id, pwwn); + if (fcs_port == NULL) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + return snprintf(buf, PAGE_SIZE, "can't find FCS port\n"); + } + + fcs_rport = bfa_fcs_rport_lookup(fcs_port, rpwwn); + if (fcs_rport == NULL) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + return snprintf(buf, PAGE_SIZE, "can't find rport\n"); + } + + bfa_fcs_rport_get_attr(fcs_rport, &attr); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + if (strcmp(sys_attr->attr.name, "port_id") == 0) + return snprintf(buf, PAGE_SIZE, "%06x\n", + bfa_os_ntoh3b(attr.pid)); + else if (strcmp(sys_attr->attr.name, "pwwn") == 0) { + len = bfad_sysfs_snprint_pwwn(attr.pwwn, buf, len); + len += snprintf(buf + len, PAGE_SIZE - len, "\n"); + return len; + } else if (strcmp(sys_attr->attr.name, "nwwn") == 0) { + len = bfad_sysfs_snprint_pwwn(attr.nwwn, buf, len); + len += snprintf(buf + len, PAGE_SIZE - len, "\n"); + return len; + } else if (strcmp(sys_attr->attr.name, "state") == 0) { + return snprintf(buf, PAGE_SIZE, "%s\n", + bfad_sysfs_state_to_string(attr.state, + rport_state_table)); + } else if (strcmp(sys_attr->attr.name, "class_of_service") == 0) { + if (attr.fc_cos == FC_CLASS_2) { + return snprintf(buf, PAGE_SIZE, "Class-2\n"); + } else if (attr.fc_cos == FC_CLASS_3) { + return snprintf(buf, PAGE_SIZE, "Class-3\n"); + } else if (attr.fc_cos == FC_CLASS_2_3) { + return snprintf(buf, PAGE_SIZE, "Class-2, Class-3\n"); + } + } else if (strcmp(sys_attr->attr.name, "data_field_size") == 0) { + return snprintf(buf, PAGE_SIZE, "%d\n", attr.df_sz); + } else if (strcmp(sys_attr->attr.name, "cisc") == 0) { + if (attr.cisc) + return snprintf(buf, PAGE_SIZE, "%s\n", "Supported"); + else + return snprintf(buf, PAGE_SIZE, "%s\n", + "Not Supported"); + } else if (strcmp(sys_attr->attr.name, "speed") == 0) { + return snprintf(buf, PAGE_SIZE, "%s\n", "TBD"); + } else if (strcmp(sys_attr->attr.name, "qos_priority") == 0) { + return snprintf(buf, PAGE_SIZE, "%s\n", "TBD"); + } else if (strcmp(sys_attr->attr.name, "symbolic_name") == 0) { + return snprintf(buf, PAGE_SIZE, "%s\n", attr.symname.symname); + } + + return 0; + +} + +static ssize_t +bfad_rport_stats_show(struct kobject *kobj, struct kobj_attribute *sys_attr, + char *buf) +{ + int ioc_inst = 1; + struct bfad_s *bfad; + int vf_id; + struct bfa_rport_stats_s stats; + struct bfa_fcs_port_s *fcs_port; + struct bfa_fcs_rport_s *fcs_rport; + unsigned long flags; + struct bfa_pport_attr_s pattr; + u64 rpwwn, vpwwn; + + bfad = bfad_sysfs_get_param(kobj, &ioc_inst, &vf_id, &vpwwn, &rpwwn); + if (bfad == NULL) + return snprintf(buf, PAGE_SIZE, "Error finding bfad\n"); + + if (vpwwn == 0) { + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_pport_get_attr(&bfad->bfa, &pattr); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + vpwwn = pattr.pwwn; + } + + spin_lock_irqsave(&bfad->bfad_lock, flags); + fcs_port = bfa_fcs_lookup_port(&bfad->bfa_fcs, vf_id, vpwwn); + if (fcs_port == NULL) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + return snprintf(buf, PAGE_SIZE, "can't find FCS port\n"); + } + + fcs_rport = bfa_fcs_rport_lookup(fcs_port, rpwwn); + if (fcs_rport == NULL) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + return snprintf(buf, PAGE_SIZE, "can't find rport\n"); + } + + bfa_fcs_rport_get_stats(fcs_rport, &stats); + bfa_rport_get_stats(bfa_fcs_rport_get_halrport(fcs_rport), + &stats.hal_stats); + + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + if (strcmp(sys_attr->attr.name, "offlines") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.offlines); + else if (strcmp(sys_attr->attr.name, "onlines") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.onlines); + else if (strcmp(sys_attr->attr.name, "rscns") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.rscns); + else if (strcmp(sys_attr->attr.name, "plogi_sent") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.plogis); + else if (strcmp(sys_attr->attr.name, "plogi_accepts") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.plogi_accs); + else if (strcmp(sys_attr->attr.name, "plogi_timeouts") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.plogi_timeouts); + else if (strcmp(sys_attr->attr.name, "plogi_failed") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.plogi_failed); + else if (strcmp(sys_attr->attr.name, "plogi_rejects") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.plogi_rejects); + else if (strcmp(sys_attr->attr.name, "plogi_rcvd") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.plogi_rcvd); + else if (strcmp(sys_attr->attr.name, "prli_rcvd") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.prli_rcvd); + else if (strcmp(sys_attr->attr.name, "logo_sent") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.logos); + else if (strcmp(sys_attr->attr.name, "logo_accepts") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.logo_accs); + + return 0; + +} + +/** + * @brief Function to show RPORT attributes + * @param[in] kobj - kobject of the 'ioc' directory <ROOT/INST/bfa/ioc> + * @param[in] attr - Attributes of the directory + * @param[in] buf - Buffer to be filled in. + * @retval - Number of bytes of 'buf' filled in. + */ +static ssize_t +bfad_sysfs_rport_show(struct kobject *kobj, struct kobj_attribute *attr, + char *buf) +{ + int ioc_inst = 1; + struct bfad_s *bfad; + int vf_id; + struct bfa_pport_attr_s pattr; + u64 rpwwn, vpwwn; + unsigned long flags; + + bfad = bfad_sysfs_get_param(kobj, &ioc_inst, &vf_id, &vpwwn, &rpwwn); + if (bfad == NULL) + return snprintf(buf, PAGE_SIZE, "Error finding bfad\n"); + + if (vpwwn == 0) { + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_pport_get_attr(&bfad->bfa, &pattr); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + vpwwn = pattr.pwwn; + } + + return bfad_rport_attr_show(bfad, vf_id, vpwwn, rpwwn, buf, attr); +} + +/** + * @brief Function to configure RPORT attributes e.g. statsclear + * @param[in] kobj - kobject of the 'ioc' directory <ROOT/INST/bfa/ioc> + * @param[in] attr - Attributes of the directory + * @param[in] buf - Buffer contains user input + * @param[in] count - Number of bytes in 'buf' + * @retval count - Number of bytes of 'buf' used in the function + */ +static ssize_t +bfad_sysfs_rport_store(struct kobject *kobj, struct kobj_attribute *attr, + const char *buf, size_t count) +{ + int ioc_inst = 1; + struct bfad_s *bfad; + int vf_id; + u64 rpwwn, vpwwn; + struct bfa_fcs_port_s *fcs_port; + struct bfa_pport_attr_s pattr; + struct bfa_fcs_rport_s *fcs_rport; + unsigned long flags; + + bfad = bfad_sysfs_get_param(kobj, &ioc_inst, &vf_id, &vpwwn, &rpwwn); + if (bfad == NULL) + return count; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + + if (vpwwn == 0) { + bfa_pport_get_attr(&bfad->bfa, &pattr); + vpwwn = pattr.pwwn; + } + + if (strcmp(attr->attr.name, "reset") == 0) { + fcs_port = bfa_fcs_lookup_port(&bfad->bfa_fcs, vf_id, vpwwn); + if (fcs_port == NULL) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + return count; + } + + fcs_rport = bfa_fcs_rport_lookup(fcs_port, rpwwn); + if (fcs_rport == NULL) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + return count; + } + + bfa_fcs_rport_clear_stats(fcs_rport); + bfa_rport_clear_stats(bfa_fcs_rport_get_halrport(fcs_rport)); + } + + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + return count; +} + +static struct kobj_attribute rport_port_id_attribute = +__ATTR(port_id, 0444, bfad_sysfs_rport_show, NULL); +static struct kobj_attribute rport_pwwn_attribute = +__ATTR(pwwn, 0444, bfad_sysfs_rport_show, NULL); +static struct kobj_attribute rport_nwwn_attribute = +__ATTR(nwwn, 0444, bfad_sysfs_rport_show, NULL); +static struct kobj_attribute rport_state_attribute = +__ATTR(state, 0444, bfad_sysfs_rport_show, NULL); +static struct kobj_attribute rport_class_of_service_attribute = +__ATTR(class_of_service, 0444, bfad_sysfs_rport_show, NULL); +static struct kobj_attribute rport_data_field_size_attribute = +__ATTR(data_field_size, 0444, bfad_sysfs_rport_show, NULL); +static struct kobj_attribute rport_cisc_attribute = +__ATTR(cisc, 0444, bfad_sysfs_rport_show, NULL); +static struct kobj_attribute rport_speed_attribute = +__ATTR(speed, 0444, bfad_sysfs_rport_show, NULL); +static struct kobj_attribute rport_qos_priority_attribute = +__ATTR(qos_priority, 0444, bfad_sysfs_rport_show, NULL); +static struct kobj_attribute rport_symbolic_name_attribute = +__ATTR(symbolic_name, 0444, bfad_sysfs_rport_show, NULL); + +static struct kobj_attribute rport_stats_offlines_attribute = +__ATTR(offlines, 0444, bfad_rport_stats_show, NULL); +static struct kobj_attribute rport_stats_onlines_attribute = +__ATTR(onlines, 0444, bfad_rport_stats_show, NULL); +static struct kobj_attribute rport_stats_rscns_attribute = +__ATTR(rscns, 0444, bfad_rport_stats_show, NULL); +static struct kobj_attribute rport_stats_plogi_sent_attribute = +__ATTR(plogi_sent, 0444, bfad_rport_stats_show, NULL); +static struct kobj_attribute rport_stats_plogi_accepts_attribute = +__ATTR(plogi_accepts, 0444, bfad_rport_stats_show, NULL); +static struct kobj_attribute rport_stats_plogi_timeouts_attribute = +__ATTR(plogi_timeouts, 0444, bfad_rport_stats_show, NULL); +static struct kobj_attribute rport_stats_plogi_failed_attribute = +__ATTR(plogi_failed, 0444, bfad_rport_stats_show, NULL); +static struct kobj_attribute rport_stats_plogi_rejects_attribute = +__ATTR(plogi_rejects, 0444, bfad_rport_stats_show, NULL); +static struct kobj_attribute rport_stats_plogi_rcvd_attribute = +__ATTR(plogi_rcvd, 0444, bfad_rport_stats_show, NULL); +static struct kobj_attribute rport_stats_prli_rcvd_attribute = +__ATTR(prli_rcvd, 0444, bfad_rport_stats_show, NULL); +static struct kobj_attribute rport_stats_logo_sent_attribute = +__ATTR(logo_sent, 0444, bfad_rport_stats_show, NULL); +static struct kobj_attribute rport_stats_logo_accepts_attribute = +__ATTR(logo_accepts, 0444, bfad_rport_stats_show, NULL); +static struct kobj_attribute rport_stats_reset_attribute = +__ATTR(reset, 0200, NULL, bfad_sysfs_rport_store); + +static struct attribute *rport_stats[] = { + &rport_stats_offlines_attribute.attr, + &rport_stats_onlines_attribute.attr, + &rport_stats_rscns_attribute.attr, + &rport_stats_plogi_sent_attribute.attr, + &rport_stats_plogi_accepts_attribute.attr, + &rport_stats_plogi_timeouts_attribute.attr, + &rport_stats_plogi_failed_attribute.attr, + &rport_stats_plogi_rejects_attribute.attr, + &rport_stats_plogi_rcvd_attribute.attr, + &rport_stats_prli_rcvd_attribute.attr, + &rport_stats_logo_sent_attribute.attr, + &rport_stats_logo_accepts_attribute.attr, + &rport_stats_reset_attribute.attr, + NULL, +}; + +static struct attribute_group rport_stats_group = { + .attrs = rport_stats, + .name = "statistics", +}; + +static struct attribute *rport_attrs[] = { + &rport_port_id_attribute.attr, + &rport_pwwn_attribute.attr, + &rport_nwwn_attribute.attr, + &rport_state_attribute.attr, + &rport_class_of_service_attribute.attr, + &rport_data_field_size_attribute.attr, + &rport_cisc_attribute.attr, + &rport_speed_attribute.attr, + &rport_qos_priority_attribute.attr, + &rport_symbolic_name_attribute.attr, + NULL, +}; + +static struct attribute_group rport_attr_group = { + .attrs = rport_attrs, +}; + +static struct bfad_kobj_s * +bfad_sysfs_search_kobj(u64 pwwn, enum bfad_kobj_type type, u16 vf_id, + u64 vport_id, wwn_t rport_id, + struct list_head *list) +{ + struct bfad_kobj_s *bfad_kobj = NULL; + + if (list_empty(list)) + return NULL; + + list_for_each_entry(bfad_kobj, list, kobj_list_entry) { + if (bfad_kobj->type == type && bfad_kobj->vf_id == vf_id + && bfad_kobj->vport_id == vport_id + && bfad_kobj->rport_id == rport_id + && bfad_kobj->pwwn == pwwn) + return bfad_kobj; + } + + return NULL; +} + +static void +bfad_sysfs_remove_deleted_rports(struct bfa_fcs_port_s *fcs_port, u64 pwwn, + u16 vf_id, struct list_head *list) +{ + struct bfa_fcs_rport_s *fcs_rport; + struct bfad_kobj_s *bfad_kobj = NULL; + struct list_head *pos, *next; + + if (list_empty(list)) + return; + + /* + * Delete the ITNIM nodes first + */ + list_for_each_safe(pos, next, list) { + bfad_kobj = list_entry(pos, struct bfad_kobj_s, + kobj_list_entry); + if (bfad_kobj->type == KOBJ_TYPE_ITNIM + && bfad_kobj->vf_id == vf_id && bfad_kobj->pwwn == pwwn) { + fcs_rport = + bfa_fcs_rport_lookup(fcs_port, + bfad_kobj->rport_id); + if (fcs_rport == NULL) { + sysfs_remove_group(bfad_kobj->kobj, + &itnim_stats_group); + kobject_put(bfad_kobj->kobj); + list_del(&bfad_kobj->kobj_list_entry); + kfree(bfad_kobj); + } + } + } + + /* + * Delete the RPORT itself + */ + list_for_each_safe(pos, next, list) { + bfad_kobj = list_entry(pos, struct bfad_kobj_s, + kobj_list_entry); + if (bfad_kobj->type == KOBJ_TYPE_RPORT + && bfad_kobj->vf_id == vf_id && bfad_kobj->pwwn == pwwn) { + fcs_rport = + bfa_fcs_rport_lookup(fcs_port, + bfad_kobj->rport_id); + if (fcs_rport == NULL) { + sysfs_remove_group(bfad_kobj->kobj, + &rport_stats_group); + kobject_put(bfad_kobj->kobj); + list_del(&bfad_kobj->kobj_list_entry); + kfree(bfad_kobj); + } + } + } +} + +static void +bfad_sysfs_delete_all_rports(struct bfad_s *bfad, enum bfad_kobj_type type, + u16 vf_id, struct list_head *list) +{ + struct bfad_kobj_s *bfad_kobj = NULL; + struct bfa_pport_attr_s pattr; + struct list_head *pos, *next; + unsigned long flags; + + if (list_empty(list)) + return; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_pport_get_attr(&bfad->bfa, &pattr); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + list_for_each_safe(pos, next, list) { + bfad_kobj = list_entry(pos, struct bfad_kobj_s, + kobj_list_entry); + if (bfad_kobj->type == type && bfad_kobj->vf_id == vf_id + && bfad_kobj->inst == bfad->inst_no) { + if (type == KOBJ_TYPE_RPORT) + sysfs_remove_group(bfad_kobj->kobj, + &rport_stats_group); + else + sysfs_remove_group(bfad_kobj->kobj, + &itnim_stats_group); + kobject_put(bfad_kobj->kobj); + list_del(&bfad_kobj->kobj_list_entry); + kfree(bfad_kobj); + } + } +} + +static ssize_t +bfad_rport_main_show_list(struct bfad_s *bfad, struct kobject *kobj, int vf_id, + wwn_t pwwn, wwn_t vpwwn, char *buf) +{ + int len = 0, i; + wwn_t *rports = NULL; + int nrports = SYSFS_MAX_RPORTS; + struct bfad_kobj_s *bfad_kobj; + unsigned long flags; + struct bfa_fcs_port_s *fcs_port; + struct bfa_fcs_rport_s *fcs_rport; + struct kobject *parent_kobj; + struct list_head *kobj_vport_list; + char kobj_name[32]; + int retval; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + fcs_port = + bfa_fcs_lookup_port(&bfad->bfa_fcs, vf_id, + vpwwn ? vpwwn : pwwn); + if (fcs_port == NULL) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + return snprintf(buf, PAGE_SIZE, "can't find FCS port\n"); + } + + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + rports = kzalloc(sizeof(wwn_t) * nrports, GFP_KERNEL); + if (rports == NULL) + return snprintf(buf, PAGE_SIZE, "memory sqeeze\n"); + + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_fcs_port_get_rports(fcs_port, rports, &nrports); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + kobj_vport_list = &bfad_kobj_base_list; + + len = snprintf(buf, PAGE_SIZE, "No. of rports: %d\n", nrports); + + /* + * Create a directory entry for each rport + */ + for (i = 0; i < nrports; i++) { + fcs_rport = bfa_fcs_rport_lookup(fcs_port, rports[i]); + if (fcs_rport == NULL) { + kfree(rports); + return len += + snprintf(buf + len, PAGE_SIZE - len, + "can't find FCS port \n"); + } + + if (bfad_sysfs_search_kobj + (pwwn, KOBJ_TYPE_RPORT, vf_id, vpwwn, rports[i], + kobj_vport_list)) + continue; + + bfad_kobj = kzalloc(sizeof(struct bfad_kobj_s), GFP_KERNEL); + if (!bfad_kobj) + return snprintf(buf, PAGE_SIZE, "memory sqeeze\n"); + + sprintf(kobj_name, "rp-"); + bfad_sysfs_print_pwwn(rports[i], &kobj_name[3]); + + bfad_kobj->type = KOBJ_TYPE_RPORT; + bfad_kobj->inst = bfad->inst_no; + bfad_kobj->vf_id = vf_id; + bfad_kobj->rport_id = rports[i]; + bfad_kobj->vport_id = vpwwn; + bfad_kobj->pwwn = pwwn; + + bfad_kobj->kobj = + kobject_create_and_add(kobj_name, bfad->lport_kobj); + if (!bfad_kobj->kobj) + return snprintf(buf, PAGE_SIZE, + "failed to register rport kobj\n"); + + retval = sysfs_create_group(bfad_kobj->kobj, &rport_attr_group); + if (retval) { + kobject_put(bfad_kobj->kobj); + kfree(bfad_kobj); + return snprintf(buf, PAGE_SIZE, + "failed to create rport_attr\n"); + } + + retval = sysfs_create_group(bfad_kobj->kobj, + &rport_stats_group); + if (retval) { + kobject_put(bfad_kobj->kobj); + kfree(bfad_kobj); + return snprintf(buf, PAGE_SIZE, + "failed to create rport_stats\n"); + } + + list_add_tail(&bfad_kobj->kobj_list_entry, kobj_vport_list); + + parent_kobj = bfad_kobj->kobj; + + /* + * Create itinm node here + */ + bfad_kobj = kzalloc(sizeof(struct bfad_kobj_s), GFP_KERNEL); + if (!bfad_kobj) + return snprintf(buf, PAGE_SIZE, "memory sqeeze\n"); + + sprintf(kobj_name, "itnim"); + bfad_kobj->type = KOBJ_TYPE_ITNIM; + bfad_kobj->inst = bfad->inst_no; + bfad_kobj->vf_id = vf_id; + bfad_kobj->rport_id = rports[i]; + bfad_kobj->vport_id = vpwwn; + bfad_kobj->pwwn = pwwn; + + bfad_kobj->kobj = + kobject_create_and_add(kobj_name, parent_kobj); + if (!bfad_kobj->kobj) { + return snprintf(buf, PAGE_SIZE, + "failed to register itnim kobj\n"); + } + + retval = sysfs_create_group(bfad_kobj->kobj, &itnim_attr_group); + if (retval) { + kobject_put(bfad_kobj->kobj); + kfree(bfad_kobj); + return snprintf(buf, PAGE_SIZE, + "failed to create itnim_attr\n"); + } + + retval = sysfs_create_group(bfad_kobj->kobj, + &itnim_stats_group); + if (retval) { + kobject_put(bfad_kobj->kobj); + kfree(bfad_kobj); + return snprintf(buf, PAGE_SIZE, + "failed to create itnim_stats\n"); + } + + list_add_tail(&bfad_kobj->kobj_list_entry, kobj_vport_list); + } + + /* + * Remove deleted rports + */ + bfad_sysfs_remove_deleted_rports(fcs_port, pwwn, vf_id, + kobj_vport_list); + + kfree(rports); + return len; + +} + +static ssize_t +bfad_lport_attr_show(struct bfad_s *bfad, u16 vf_id, char *buf, + struct bfa_port_attr_s *attr, + struct kobj_attribute *sys_attr) +{ + int len = 0; + unsigned long flags; + + if (strcmp(sys_attr->attr.name, "port_id") == 0) { + if (attr->pid) + len = snprintf(buf, PAGE_SIZE, "%06x\n", + bfa_os_ntoh3b(attr->pid)); + else + len = snprintf(buf, PAGE_SIZE, "--\n"); + } else if (strcmp(sys_attr->attr.name, "state") == 0) { + if (attr->port_type != BFA_PPORT_TYPE_VPORT) { + struct bfa_pport_attr_s pp_attr; + struct bfa_port_attr_s port_attr; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_pport_get_attr(&bfad->bfa, &pp_attr); + bfa_fcs_port_get_attr(&bfad->bfa_fcs.fabric.bport, + &port_attr); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + if (pp_attr.topology != BFA_PPORT_TOPOLOGY_NONE) + pp_attr.pid = port_attr.pid; + else + pp_attr.pid = 0; + + pp_attr.port_type = port_attr.port_type; + + len = snprintf(buf, PAGE_SIZE, "%s\n", + bfad_sysfs_state_to_string(pp_attr. + port_state, + port_state_table)); + } else { + struct bfa_fcs_vport_s *fcs_vport; + struct bfa_vport_attr_s vp_attr; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + fcs_vport = + bfa_fcs_vport_lookup(&bfad->bfa_fcs, vf_id, + attr->port_cfg.pwwn); + if (fcs_vport == NULL) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + len = snprintf(buf, PAGE_SIZE, + "Could not find fcs_vport\n"); + return len; + } + + bfa_fcs_vport_get_attr(fcs_vport, &vp_attr); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + len = snprintf(buf, PAGE_SIZE, "%s\n", + bfad_sysfs_state_to_string(vp_attr. + vport_state, + vport_state_table)); + } + } else if (strcmp(sys_attr->attr.name, "type") == 0) { + len = snprintf(buf, PAGE_SIZE, "Base Port\n"); + } else if (strcmp(sys_attr->attr.name, "pwwn") == 0) { + len = bfad_sysfs_snprint_pwwn(attr->port_cfg.pwwn, buf, len); + len += snprintf(buf + len, PAGE_SIZE - len, "\n"); + } else if (strcmp(sys_attr->attr.name, "nwwn") == 0) { + len = bfad_sysfs_snprint_pwwn(attr->port_cfg.nwwn, buf, len); + len += snprintf(buf + len, PAGE_SIZE - len, "\n"); + } else if (strcmp(sys_attr->attr.name, "symbolic_name") == 0) { + len = snprintf(buf, PAGE_SIZE, "%s\n", + attr->port_cfg.sym_name.symname); + } else if (strcmp(sys_attr->attr.name, "role") == 0) { + switch (attr->port_cfg.roles) { + case BFA_PORT_ROLE_FCP_IM: + len = snprintf(buf, PAGE_SIZE, "FCP Initiator\n"); + break; + case BFA_PORT_ROLE_FCP_TM: + len = snprintf(buf, PAGE_SIZE, "FCP Target\n"); + break; + case BFA_PORT_ROLE_FCP_IPFC: + len = snprintf(buf, PAGE_SIZE, "IP over FC\n"); + break; + default: + len = snprintf(buf, PAGE_SIZE, "Unknown: %d\n", + attr->port_cfg.roles); + break; + } + } + + return len; +} + +static ssize_t +bfad_lport_stats_show(struct kobject *kobj, struct kobj_attribute *sys_attr, + char *buf) +{ + int ioc_inst = 1; + int vf_id = 0; + struct bfad_s *bfad; + wwn_t pwwn, rp; + struct bfa_fcs_port_s *fcs_port; + struct bfa_port_stats_s stats; + unsigned long flags; + + bfad = bfad_sysfs_get_param(kobj, &ioc_inst, &vf_id, &pwwn, &rp); + if (bfad == NULL) + return -EINVAL; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + fcs_port = bfa_fcs_lookup_port(&bfad->bfa_fcs, vf_id, pwwn); + if (fcs_port == NULL) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + return snprintf(buf, PAGE_SIZE, "failed to locate lport\n"); + } + + bfa_fcs_port_get_stats(fcs_port, &stats); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + if (strcmp(sys_attr->attr.name, "ns_plogi_sent") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.ns_plogi_sent); + else if (strcmp(sys_attr->attr.name, "ns_plogi_accepts") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.ns_plogi_accepts); + else if (strcmp(sys_attr->attr.name, "ns_plogi_rsp_err") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.ns_plogi_rsp_err); + else if (strcmp(sys_attr->attr.name, "ns_plogi_acc_err") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.ns_plogi_acc_err); + else if (strcmp(sys_attr->attr.name, "ns_plogi_rejects") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.ns_rejects); + else if (strcmp(sys_attr->attr.name, "ns_plogi_unknown_rsp") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", + stats.ns_plogi_unknown_rsp); + else if (strcmp(sys_attr->attr.name, "ns_plogi_alloc_wait") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", + stats.ns_plogi_alloc_wait); + else if (strcmp(sys_attr->attr.name, "ns_rspnid_sent") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.ns_rspnid_sent); + else if (strcmp(sys_attr->attr.name, "ns_rspnid_accepts") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", + stats.ns_rspnid_accepts); + else if (strcmp(sys_attr->attr.name, "ns_rspnid_rsp_err") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", + stats.ns_rspnid_rsp_err); + else if (strcmp(sys_attr->attr.name, "ns_rspnid_rejects") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", + stats.ns_rspnid_rejects); + else if (strcmp(sys_attr->attr.name, "ns_rspnid_alloc_wait") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", + stats.ns_rspnid_alloc_wait); + else if (strcmp(sys_attr->attr.name, "ns_rftid_sent") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.ns_rftid_sent); + else if (strcmp(sys_attr->attr.name, "ns_rftid_accepts") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.ns_rftid_accepts); + else if (strcmp(sys_attr->attr.name, "ns_rftid_rsp_err") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.ns_rftid_rsp_err); + else if (strcmp(sys_attr->attr.name, "ns_rftid_rejects") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.ns_rftid_rejects); + else if (strcmp(sys_attr->attr.name, "ns_rftid_alloc_wait") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", + stats.ns_rftid_alloc_wait); + else if (strcmp(sys_attr->attr.name, "ns_gidft_sent") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.ns_gidft_sent); + else if (strcmp(sys_attr->attr.name, "ns_gidft_accepts") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.ns_gidft_accepts); + else if (strcmp(sys_attr->attr.name, "ns_gidft_rsp_err") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.ns_gidft_rsp_err); + else if (strcmp(sys_attr->attr.name, "ns_gidft_rejects") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.ns_gidft_rejects); + else if (strcmp(sys_attr->attr.name, "ns_gidft_unknown_rsp") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", + stats.ns_gidft_unknown_rsp); + else if (strcmp(sys_attr->attr.name, "ns_gidft_alloc_wait") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", + stats.ns_gidft_alloc_wait); + + else if (strcmp(sys_attr->attr.name, "ns_timeouts") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.ns_timeouts); + else if (strcmp(sys_attr->attr.name, "ns_retries") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.ns_retries); + else if (strcmp(sys_attr->attr.name, "num_rscn") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.num_rscn); + else if (strcmp(sys_attr->attr.name, "num_portid_rscn") == 0) + return snprintf(buf, PAGE_SIZE, "%d\n", stats.num_portid_rscn); + else + return 0; +} + +/** + * @brief Function to display LPORT attributes/statistics + * @param[in] kobj - kobject of the LPORT directory + * @param[in] buf - Buffer to be filled in with attributes/statistics + * @retval - Number of bytes of 'buf' filled in. + */ +static ssize_t +bfad_sysfs_lport_show(struct kobject *kobj, struct kobj_attribute *attr, + char *buf) +{ + int ioc_inst = 1, len = 0; + struct bfad_s *bfad; + int vf_id = 0; + wwn_t pwwn, rp; + struct bfa_fcs_port_s *fcs_port; + struct bfa_port_attr_s pattr; + unsigned long flags; + + bfad = bfad_sysfs_get_param(kobj, &ioc_inst, &vf_id, &pwwn, &rp); + if (bfad == NULL) + return -EINVAL; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + fcs_port = bfa_fcs_lookup_port(&bfad->bfa_fcs, vf_id, pwwn); + if (fcs_port == NULL) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + return snprintf(buf, PAGE_SIZE, "failed to locate lport\n"); + } + + if (strcmp(attr->attr.name, "refresh_rports") == 0) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + len = bfad_rport_main_show_list(bfad, kobj, vf_id, pwwn, 0, + buf); + } else { + bfa_fcs_port_get_attr(fcs_port, &pattr); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + len = bfad_lport_attr_show(bfad, vf_id, buf, &pattr, attr); + } + + return len; +} + +static ssize_t +bfad_sysfs_lport_store(struct kobject *kobj, struct kobj_attribute *attr, + const char *buf, size_t count) +{ + int ioc_inst = 1; + struct bfad_s *bfad; + int vf_id = 0; + wwn_t pwwn, rpwwn; + struct bfa_fcs_port_s *fcs_port; + unsigned long flags; + + if (strcmp(attr->attr.name, "reset") == 0) { + bfad = bfad_sysfs_get_param(kobj, &ioc_inst, &vf_id, &pwwn, + &rpwwn); + if (bfad == NULL) + return -EINVAL; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + fcs_port = bfa_fcs_lookup_port(&bfad->bfa_fcs, vf_id, pwwn); + if (fcs_port == NULL) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + return -EINVAL; + } + + bfa_fcs_port_clear_stats(fcs_port); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + } + + return count; +} + +static struct kobj_attribute lport_pwwn_attribute = +__ATTR(pwwn, 0444, bfad_sysfs_lport_show, NULL); +static struct kobj_attribute lport_nwwn_attribute = +__ATTR(nwwn, 0444, bfad_sysfs_lport_show, NULL); +static struct kobj_attribute lport_port_id_attribute = +__ATTR(port_id, 0444, bfad_sysfs_lport_show, NULL); +static struct kobj_attribute lport_type_attribute = +__ATTR(type, 0444, bfad_sysfs_lport_show, NULL); +static struct kobj_attribute lport_state_attribute = +__ATTR(state, 0444, bfad_sysfs_lport_show, NULL); +static struct kobj_attribute lport_symbolic_name_attribute = +__ATTR(symbolic_name, 0444, bfad_sysfs_lport_show, NULL); +static struct kobj_attribute lport_role_attribute = +__ATTR(role, 0444, bfad_sysfs_lport_show, NULL); +static struct kobj_attribute lport_refresh_rports_attribute = +__ATTR(refresh_rports, 0444, bfad_sysfs_lport_show, NULL); + +static struct kobj_attribute lport_stats_ns_plogi_sent_attribute = +__ATTR(ns_plogi_sent, 0444, bfad_lport_stats_show, NULL); +static struct kobj_attribute lport_stats_ns_plogi_accepts_attribute = +__ATTR(ns_plogi_accepts, 0444, bfad_lport_stats_show, NULL); +static struct kobj_attribute lport_stats_ns_plogi_rsp_err_attribute = +__ATTR(ns_plogi_rsp_err, 0444, bfad_lport_stats_show, NULL); +static struct kobj_attribute lport_stats_ns_plogi_acc_err_attribute = +__ATTR(ns_plogi_acc_err, 0444, bfad_lport_stats_show, NULL); +static struct kobj_attribute lport_stats_ns_plogi_rejects_attribute = +__ATTR(ns_plogi_rejects, 0444, bfad_lport_stats_show, NULL); +static struct kobj_attribute lport_stats_ns_plogi_unknown_rsp_attribute = +__ATTR(ns_plogi_unknown_rsp, 0444, bfad_lport_stats_show, NULL); +static struct kobj_attribute lport_stats_ns_plogi_alloc_wait_attribute = +__ATTR(ns_plogi_alloc_wait, 0444, bfad_lport_stats_show, NULL); + +static struct kobj_attribute lport_stats_ns_rspnid_sent_attribute = +__ATTR(ns_rspnid_sent, 0444, bfad_lport_stats_show, NULL); +static struct kobj_attribute lport_stats_ns_rspnid_accepts_attribute = +__ATTR(ns_rspnid_accepts, 0444, bfad_lport_stats_show, NULL); +static struct kobj_attribute lport_stats_ns_rspnid_rsp_err_attribute = +__ATTR(ns_rspnid_rsp_err, 0444, bfad_lport_stats_show, NULL); +static struct kobj_attribute lport_stats_ns_rspnid_rejects_attribute = +__ATTR(ns_rspnid_rejects, 0444, bfad_lport_stats_show, NULL); +static struct kobj_attribute lport_stats_ns_rspnid_alloc_wait_attribute = +__ATTR(ns_rspnid_alloc_wait, 0444, bfad_lport_stats_show, NULL); + +static struct kobj_attribute lport_stats_ns_rftid_sent_attribute = +__ATTR(ns_rftid_sent, 0444, bfad_lport_stats_show, NULL); +static struct kobj_attribute lport_stats_ns_rftid_accepts_attribute = +__ATTR(ns_rftid_accepts, 0444, bfad_lport_stats_show, NULL); +static struct kobj_attribute lport_stats_ns_rftid_rsp_err_attribute = +__ATTR(ns_rftid_rsp_err, 0444, bfad_lport_stats_show, NULL); +static struct kobj_attribute lport_stats_ns_rftid_rejects_attribute = +__ATTR(ns_rftid_rejects, 0444, bfad_lport_stats_show, NULL); +static struct kobj_attribute lport_stats_ns_rftid_alloc_wait_attribute = +__ATTR(ns_rftid_alloc_wait, 0444, bfad_lport_stats_show, NULL); + +static struct kobj_attribute lport_stats_ns_gidft_sent_attribute = +__ATTR(ns_gidft_sent, 0444, bfad_lport_stats_show, NULL); +static struct kobj_attribute lport_stats_ns_gidft_accepts_attribute = +__ATTR(ns_gidft_accepts, 0444, bfad_lport_stats_show, NULL); +static struct kobj_attribute lport_stats_ns_gidft_rsp_err_attribute = +__ATTR(ns_gidft_rsp_err, 0444, bfad_lport_stats_show, NULL); +static struct kobj_attribute lport_stats_ns_gidft_rejects_attribute = +__ATTR(ns_gidft_rejects, 0444, bfad_lport_stats_show, NULL); +static struct kobj_attribute lport_stats_ns_gidft_unknown_rsp_attribute = +__ATTR(ns_gidft_unknown_rsp, 0444, bfad_lport_stats_show, NULL); +static struct kobj_attribute lport_stats_ns_gidft_alloc_wait_attribute = +__ATTR(ns_gidft_alloc_wait, 0444, bfad_lport_stats_show, NULL); + +static struct kobj_attribute lport_stats_ns_timeouts_attribute = +__ATTR(ns_timeouts, 0444, bfad_lport_stats_show, NULL); +static struct kobj_attribute lport_stats_ns_retries_attribute = +__ATTR(ns_retries, 0444, bfad_lport_stats_show, NULL); + +static struct kobj_attribute lport_stats_num_rscn_attribute = +__ATTR(num_rscn, 0444, bfad_lport_stats_show, NULL); +static struct kobj_attribute lport_stats_num_portid_rscn_attribute = +__ATTR(num_portid_rscn, 0444, bfad_lport_stats_show, NULL); + +static struct kobj_attribute lport_stats_reset_attribute = +__ATTR(reset, 0200, NULL, bfad_sysfs_lport_store); + +static struct attribute *lport_attrs[] = { + &lport_pwwn_attribute.attr, + &lport_nwwn_attribute.attr, + &lport_port_id_attribute.attr, + &lport_type_attribute.attr, + &lport_state_attribute.attr, + &lport_symbolic_name_attribute.attr, + &lport_role_attribute.attr, + &lport_refresh_rports_attribute.attr, + NULL, +}; + +static struct attribute_group lport_attr_group = { + .attrs = lport_attrs, +}; + +static struct attribute *lport_stats[] = { + &lport_stats_ns_plogi_sent_attribute.attr, + &lport_stats_ns_plogi_accepts_attribute.attr, + &lport_stats_ns_plogi_rsp_err_attribute.attr, + &lport_stats_ns_plogi_acc_err_attribute.attr, + &lport_stats_ns_plogi_rejects_attribute.attr, + &lport_stats_ns_plogi_unknown_rsp_attribute.attr, + &lport_stats_ns_plogi_alloc_wait_attribute.attr, + + &lport_stats_ns_rspnid_sent_attribute.attr, + &lport_stats_ns_rspnid_accepts_attribute.attr, + &lport_stats_ns_rspnid_rsp_err_attribute.attr, + &lport_stats_ns_rspnid_rejects_attribute.attr, + &lport_stats_ns_rspnid_alloc_wait_attribute.attr, + + &lport_stats_ns_rftid_sent_attribute.attr, + &lport_stats_ns_rftid_accepts_attribute.attr, + &lport_stats_ns_rftid_rsp_err_attribute.attr, + &lport_stats_ns_rftid_rejects_attribute.attr, + &lport_stats_ns_rftid_alloc_wait_attribute.attr, + + &lport_stats_ns_gidft_sent_attribute.attr, + &lport_stats_ns_gidft_accepts_attribute.attr, + &lport_stats_ns_gidft_rsp_err_attribute.attr, + &lport_stats_ns_gidft_rejects_attribute.attr, + &lport_stats_ns_gidft_unknown_rsp_attribute.attr, + &lport_stats_ns_gidft_alloc_wait_attribute.attr, + + &lport_stats_ns_timeouts_attribute.attr, + &lport_stats_ns_retries_attribute.attr, + + &lport_stats_num_rscn_attribute.attr, + &lport_stats_num_portid_rscn_attribute.attr, + + &lport_stats_reset_attribute.attr, + + NULL, +}; + +static struct attribute_group lport_stats_group = { + .attrs = lport_stats, + .name = "statistics", +}; + +/** + * @brief Function to display physical port status + * @param[in] bfad - IOC + * @param[in] buf - Buffer to be filled in with attributes + * @retval - Number of bytes of 'buf' filled in. + */ +static ssize_t +bfad_pport_enable_show(struct bfad_s *bfad, char *buf) +{ + int len = 0; + + return len; +} + +/** + * @brief Function to enable/disable physical port + * @param[in] bfad - IOC + * @param[in] buf - Buffer contains user input + * @retval - 0 on SUCCESS + * @retval - negative value on FAILURE + */ +static ssize_t +bfad_pport_enable_store(struct bfad_s *bfad, const char *buf) +{ + unsigned long flags; + if (strncmp("enable", buf, strlen(buf) - 1) == 0) { + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_pport_enable(&bfad->bfa); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + } else if (strncmp("disable", buf, strlen(buf) - 1) == 0) { + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_pport_disable(&bfad->bfa); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + } else + return -EIO; + + return 0; +} + +/** + * @brief Function to display physical port attribute values + * @param[in] bfad - IOC + * @param[in] buf - Buffer to be filled in with attributes + * @retval - Number of bytes of 'buf' filled in. + */ +static ssize_t +bfad_pport_attr_show(struct bfad_s *bfad, char *buf, + struct kobj_attribute *sys_attr) +{ + int len = 0; + struct bfa_pport_attr_s pattr; + struct bfa_port_attr_s attr; + unsigned long flags; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_pport_get_attr(&bfad->bfa, &pattr); + bfa_fcs_port_get_attr(&bfad->bfa_fcs.fabric.bport, &attr); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + pattr.port_type = attr.port_type; + + if (strcmp(sys_attr->attr.name, "pwwn") == 0) { + len = bfad_sysfs_snprint_pwwn(pattr.pwwn, buf, len); + len += snprintf(buf + len, PAGE_SIZE - len, "\n"); + return len; + } else if (strcmp(sys_attr->attr.name, "nwwn") == 0) { + len = bfad_sysfs_snprint_pwwn(pattr.nwwn, buf, len); + len += snprintf(buf + len, PAGE_SIZE - len, "\n"); + return len; + } else if (strcmp(sys_attr->attr.name, "port_id") == 0) { + return snprintf(buf, PAGE_SIZE, "%06x\n", + bfa_os_ntoh3b(attr.pid)); + } else if (strcmp(sys_attr->attr.name, "media") == 0) { + return snprintf(buf, PAGE_SIZE, "%s\n", "sw"); + } else if (strcmp(sys_attr->attr.name, "state") == 0) { + if (pattr.port_state >= BFA_PPORT_ST_UNINIT + && pattr.port_state <= BFA_PPORT_ST_MAX_STATE) + len = snprintf(buf, PAGE_SIZE, "%s\n", + bfad_sysfs_state_to_string(pattr. + port_state, + port_state_table)); + else + len = snprintf(buf, PAGE_SIZE, "%s\n", "invalid"); + + return len; + } else if (strcmp(sys_attr->attr.name, "port_type") == 0) { + switch (pattr.port_type) { + case BFA_PPORT_TYPE_UNKNOWN: + len = snprintf(buf, PAGE_SIZE, "%s\n", "unknown"); + break; + case BFA_PPORT_TYPE_TRUNKED: + len = snprintf(buf, PAGE_SIZE - len, "%s\n", "trunked"); + break; + case BFA_PPORT_TYPE_NPORT: + len = snprintf(buf, PAGE_SIZE, "%s\n", "nport"); + break; + case BFA_PPORT_TYPE_NLPORT: + len = snprintf(buf, PAGE_SIZE, "%s\n", "nlport"); + case BFA_PPORT_TYPE_LPORT: + len = snprintf(buf, PAGE_SIZE, "%s\n", "lport"); + break; + case BFA_PPORT_TYPE_P2P: + len = snprintf(buf, PAGE_SIZE, "%s\n", "p2p"); + break; + case BFA_PPORT_TYPE_VPORT: + len = snprintf(buf, PAGE_SIZE, "%s\n", "vport"); + break; + default: + len = snprintf(buf, PAGE_SIZE, "%s(%d)\n", "invalid", + pattr.port_type); + break; + } + return len; + } else if (strcmp(sys_attr->attr.name, "supported_classes") == 0) { + switch (pattr.cos_supported) { + case FC_CLASS_2: + len = snprintf(buf, PAGE_SIZE, "%s\n", "FC_CLASS_2"); + break; + case FC_CLASS_3: + len = snprintf(buf, PAGE_SIZE, "%s\n", "FC_CLASS_3"); + break; + case FC_CLASS_2_3: + len = snprintf(buf, PAGE_SIZE, "%s\n", "FC_CLASS_3"); + break; + default: + len = snprintf(buf, PAGE_SIZE, "%s\n", "--"); + break; + } + return len; + } else if (strcmp(sys_attr->attr.name, "symbolic_name") == 0) { + return snprintf(buf, PAGE_SIZE, "%s\n", + pattr.port_symname.symname); + } else if (strcmp(sys_attr->attr.name, "recv_bb_credits") == 0) { + return snprintf(buf, PAGE_SIZE, "%d\n", + pattr.pport_cfg.rx_bbcredit); + } else { + return 0; + } +} + +static void +bfad_sysfs_hcb_comp(void *arg, bfa_status_t status) +{ + struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg; + + fcomp->status = status; + complete(&fcomp->comp); +} + +/** + * @brief Function to display physical port statistics + * @param[in] bfad - IOC + * @param[in] buf - Buffer to be filled in with attributes + * @retval - Number of bytes of 'buf' filled in. + */ +static ssize_t +bfad_pport_stats_show(struct kobject *kobj, struct kobj_attribute *sys_attr, + char *buf) +{ + struct bfa_pport_stats_s stats; + bfa_status_t status; + struct bfad_hal_comp fcomp; + unsigned long flags; + struct bfad_s *bfad; + + bfad = bfad_find_bfad_by_kobj(kobj); + if (bfad == NULL) + return snprintf(buf, PAGE_SIZE, "Error finding bfad\n"); + + memset(&stats, 0, sizeof(struct bfa_pport_stats_s)); + init_completion(&fcomp.comp); + spin_lock_irqsave(&bfad->bfad_lock, flags); + status = bfa_pport_get_stats(&bfad->bfa, &stats, bfad_sysfs_hcb_comp, + &fcomp); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + if (status != BFA_STATUS_OK) + return snprintf(buf, PAGE_SIZE, "failed to get stats\n"); + + wait_for_completion(&fcomp.comp); + + if (strcmp(sys_attr->attr.name, "secs_since_reset") == 0) + return snprintf(buf, PAGE_SIZE, "%lld\n", + (long long)stats.secs_since_reset); + else if (strcmp(sys_attr->attr.name, "tx_frames") == 0) + return snprintf(buf, PAGE_SIZE, "%lld\n", + (long long)stats.tx_frames); + else if (strcmp(sys_attr->attr.name, "tx_words") == 0) + return snprintf(buf, PAGE_SIZE, "%lld\n", + (long long)stats.tx_words); + else if (strcmp(sys_attr->attr.name, "rx_frames") == 0) + return snprintf(buf, PAGE_SIZE, "%lld\n", + (long long)stats.rx_frames); + else if (strcmp(sys_attr->attr.name, "rx_words") == 0) + return snprintf(buf, PAGE_SIZE, "%lld\n", + (long long)stats.rx_words); + else if (strcmp(sys_attr->attr.name, "lip_count") == 0) + return snprintf(buf, PAGE_SIZE, "%lld\n", + (long long)stats.lip_count); + else if (strcmp(sys_attr->attr.name, "nos_count") == 0) + return snprintf(buf, PAGE_SIZE, "%lld\n", + (long long)stats.nos_count); + else if (strcmp(sys_attr->attr.name, "error_frames") == 0) + return snprintf(buf, PAGE_SIZE, "%lld\n", + (long long)stats.error_frames); + else if (strcmp(sys_attr->attr.name, "dropped_frames") == 0) + return snprintf(buf, PAGE_SIZE, "%lld\n", + (long long)stats.dropped_frames); + else if (strcmp(sys_attr->attr.name, "link_failures") == 0) + return snprintf(buf, PAGE_SIZE, "%lld\n", + (long long)stats.link_failures); + else if (strcmp(sys_attr->attr.name, "loss_of_syncs") == 0) + return snprintf(buf, PAGE_SIZE, "%lld\n", + (long long)stats.loss_of_syncs); + else if (strcmp(sys_attr->attr.name, "loss_of_signals") == 0) + return snprintf(buf, PAGE_SIZE, "%lld\n", + (long long)stats.loss_of_signals); + else if (strcmp(sys_attr->attr.name, "primitive_seq_errs") == 0) + return snprintf(buf, PAGE_SIZE, "%lld\n", + (long long)stats.primseq_errs); + else if (strcmp(sys_attr->attr.name, "invalid_ordered_set") == 0) + return snprintf(buf, PAGE_SIZE, "%lld\n", + (long long)stats.bad_os_count); + else if (strcmp(sys_attr->attr.name, "invalid_crcs") == 0) + return snprintf(buf, PAGE_SIZE, "%lld\n", + (long long)stats.invalid_crcs); + else + return 0; +} + +/** + * @brief Function to clear physical port statistics + * @param[in] bfad - IOC + * @param[in] buf - Buffer contains user input + * @retval - 0 on SUCCESS + */ +static ssize_t +bfad_pport_stats_store(struct bfad_s *bfad, const char *buf) +{ + struct bfad_hal_comp fcomp; + unsigned long flags; + bfa_status_t status; + + init_completion(&fcomp.comp); + spin_lock_irqsave(&bfad->bfad_lock, flags); + status = bfa_pport_clear_stats(&bfad->bfa, bfad_sysfs_hcb_comp, &fcomp); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + if (status != BFA_STATUS_OK) + return -EIO; + + wait_for_completion(&fcomp.comp); + + return 0; +} + +/** + * @brief Function to display physical port topology + * @param[in] bfad - IOC + * @param[in] buf - Buffer to be filled in with attributes + * @retval - Number of bytes of 'buf' filled in. + */ +static ssize_t +bfad_pport_topo_show(struct bfad_s *bfad, char *buf, + struct kobj_attribute *sys_attr) +{ + enum bfa_pport_topology topology; + struct bfa_pport_attr_s attr; + unsigned long flags; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_pport_get_attr(&bfad->bfa, &attr); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + if (strcmp(sys_attr->attr.name, "topology_current") == 0) { + topology = attr.topology; + } else if (strcmp(sys_attr->attr.name, "topology_config") == 0) { + topology = attr.pport_cfg.topology; + } else { + return 0; + } + + if (topology == BFA_PPORT_TOPOLOGY_P2P) { + return snprintf(buf, PAGE_SIZE, "p2p\n"); + } else if (topology == BFA_PPORT_TOPOLOGY_LOOP) { + return snprintf(buf, PAGE_SIZE, "loop\n"); + } else if (topology == BFA_PPORT_TOPOLOGY_AUTO) { + return snprintf(buf, PAGE_SIZE, "auto\n"); + } else { + return snprintf(buf, PAGE_SIZE, "invalid (%d)\n", topology); + } +} + +/** + * @brief Function to change physical port topology + * @param[in] bfad - IOC + * @param[in] buf - Buffer contains user input + * @retval - 0 on SUCCESS + * @retval - negative value on FAILURE + */ +static ssize_t +bfad_pport_topo_store(struct bfad_s *bfad, const char *buf) +{ + bfa_status_t status; + enum bfa_pport_topology topo; + unsigned long flags; + + if (strncmp("p2p", buf, strlen(buf) - 1) == 0) + topo = BFA_PPORT_TOPOLOGY_P2P; + else if (strncmp("loop", buf, strlen(buf) - 1) == 0) + topo = BFA_PPORT_TOPOLOGY_LOOP; + else if (strncmp("auto", buf, strlen(buf) - 1) == 0) + topo = BFA_PPORT_TOPOLOGY_AUTO; + else + topo = BFA_PPORT_TOPOLOGY_NONE; + + if (topo == BFA_PPORT_TOPOLOGY_NONE) + return -EIO; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + status = bfa_pport_cfg_topology(&bfad->bfa, topo); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + if (status != BFA_STATUS_OK) + return -EIO; + + return 0; +} + +static char * +bfad_get_speed_str(int speed) +{ + static struct bfa_state port_spd[] = { + {BFA_PPORT_SPEED_UNKNOWN, "---"}, + {BFA_PPORT_SPEED_1GBPS, "1G "}, + {BFA_PPORT_SPEED_2GBPS, "2G "}, + {BFA_PPORT_SPEED_4GBPS, "4G "}, + {BFA_PPORT_SPEED_8GBPS, "8G "}, + {BFA_PPORT_SPEED_AUTO, "auto"}, + }; + int j = 0; + + while (port_spd[j].code <= BFA_PPORT_SPEED_AUTO) { + if (port_spd[j].code == speed) + return port_spd[j].str; + j++; + } + + return "Invalid"; +} + +/** + * @brief Function to display physical port speed + * @param[in] bfad - IOC + * @param[in] buf - Buffer to be filled in with attributes + * @retval - Number of bytes of 'buf' filled in. + */ +static ssize_t +bfad_pport_speed_show(struct bfad_s *bfad, char *buf, + struct kobj_attribute *sys_attr) +{ + struct bfa_pport_attr_s attr; + unsigned long flags; + int speed; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_pport_get_attr(&bfad->bfa, &attr); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + if (strcmp(sys_attr->attr.name, "speed_current") == 0) { + speed = attr.speed; + } else if (strcmp(sys_attr->attr.name, "speed_config") == 0) { + speed = attr.pport_cfg.speed; + } else { + return 0; + } + + return snprintf(buf, PAGE_SIZE, "%s\n", bfad_get_speed_str(speed)); +} + +/** + * @brief Function to change physical port speed + * @param[in] bfad - IOC + * @param[in] buf - Buffer contains user input + * @retval - 0 on SUCCESS + * @retval - negative value on FAILURE + */ +static ssize_t +bfad_pport_speed_store(struct bfad_s *bfad, const char *buf) +{ + bfa_status_t status; + enum bfa_pport_speed speed; + unsigned long flags; + + if (strncmp("1gbps", buf, strlen(buf) - 1) == 0) { + speed = BFA_PPORT_SPEED_1GBPS; + } else if (strncmp("2gbps", buf, strlen(buf) - 1) == 0) { + speed = BFA_PPORT_SPEED_2GBPS; + } else if (strncmp("4gbps", buf, strlen(buf) - 1) == 0) { + speed = BFA_PPORT_SPEED_4GBPS; + } else if (strncmp("8gbps", buf, strlen(buf) - 1) == 0) { + speed = BFA_PPORT_SPEED_8GBPS; + } else if (strncmp("auto", buf, strlen(buf) - 1) == 0) { + speed = BFA_PPORT_SPEED_AUTO; + } else + return -EIO; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + status = bfa_pport_cfg_speed(&bfad->bfa, speed); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + if (status != BFA_STATUS_OK) + return -EIO; + + return 0; +} + +/** + * @brief Function to show physical port maxfrm + * @param[in] bfad - IOC + * @param[in] buf - Buffer to be filled in the function + * @retval - number of bytes of 'buf' filled + */ +static ssize_t +bfad_pport_maxfrm_show(struct bfad_s *bfad, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%d\n", + bfa_pport_get_maxfrsize(&bfad->bfa)); +} + +/** + * @brief Function to change physical port maxfrm value + * @param[in] bfad - IOC + * @param[in] buf - Buffer contains user input + * @retval - 0 on SUCCESS + * @retval - negative value on FAILURE + */ +static ssize_t +bfad_pport_maxfrm_store(struct bfad_s *bfad, const char *buf) +{ + int maxfrsize; + unsigned long flags; + + sscanf(buf, "%d", &maxfrsize); + spin_lock_irqsave(&bfad->bfad_lock, flags); + if (bfa_pport_cfg_maxfrsize(&bfad->bfa, (u16) maxfrsize) + != BFA_STATUS_OK) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + return -EIO; + } + + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + return 0; +} + +/** + * @brief Function to show physical ports parameters + * @param[in] kobj - kobject of the (vport) directory + * @param[in] attr - Attributes of the directory + * @param[out] buf - Buffer to be returned with (attribute/statistic) values + * @retval - size of the 'buf' filled + */ +static ssize_t +bfad_sysfs_pport_show(struct kobject *kobj, struct kobj_attribute *attr, + char *buf) +{ + struct bfad_s *bfad; + + bfad = bfad_find_bfad_by_kobj(kobj); + if (bfad == NULL) + return -EINVAL; + + if (strcmp(attr->attr.name, "enable") == 0) { + return bfad_pport_enable_show(bfad, buf); + } else if (strncmp(attr->attr.name, "topology_", 9) == 0) { + return bfad_pport_topo_show(bfad, buf, attr); + } else if (strncmp(attr->attr.name, "speed_", 6) == 0) { + return bfad_pport_speed_show(bfad, buf, attr); + } else if (strcmp(attr->attr.name, "maxfrm") == 0) { + return bfad_pport_maxfrm_show(bfad, buf); + } else { + return bfad_pport_attr_show(bfad, buf, attr); + } +} + +/** + * @brief Function to change physical port parameters e.g. speed/topology etc. + * @param[in] kobj - kobject of the (port) directory <ROOT/INST/bfa/port> + * @param[in] attr - Attributes of the directory + * @param[in] buf - Buffer contains user input + * @param[in] count - Number of bytes in 'buf' + * @retval count - Number of bytes of 'buf' used in the function + */ +static ssize_t +bfad_sysfs_pport_store(struct kobject *kobj, struct kobj_attribute *attr, + const char *buf, size_t count) +{ + struct bfad_s *bfad; + + bfad = bfad_find_bfad_by_kobj(kobj); + if (bfad == NULL) + return -EINVAL; + + if (strcmp(attr->attr.name, "enable") == 0) { + bfad_pport_enable_store(bfad, buf); + } else if (strcmp(attr->attr.name, "reset") == 0) { + bfad_pport_stats_store(bfad, buf); + } else if (strcmp(attr->attr.name, "topo_config") == 0) { + bfad_pport_topo_store(bfad, buf); + } else if (strcmp(attr->attr.name, "speed_config") == 0) { + bfad_pport_speed_store(bfad, buf); + } else if (strcmp(attr->attr.name, "maxfrm") == 0) { + bfad_pport_maxfrm_store(bfad, buf); + } + + return count; +} + +static struct kobj_attribute pport_enable_attribute = +__ATTR(enable, 0644, bfad_sysfs_pport_show, bfad_sysfs_pport_store); +static struct kobj_attribute pport_pwwn_attribute = +__ATTR(pwwn, 0444, bfad_sysfs_pport_show, NULL); +static struct kobj_attribute pport_nwwn_attribute = +__ATTR(nwwn, 0444, bfad_sysfs_pport_show, NULL); +static struct kobj_attribute pport_port_id_attribute = +__ATTR(port_id, 0444, bfad_sysfs_pport_show, NULL); +static struct kobj_attribute pport_media_attribute = +__ATTR(media, 0444, bfad_sysfs_pport_show, NULL); +static struct kobj_attribute pport_state_attribute = +__ATTR(state, 0444, bfad_sysfs_pport_show, NULL); +static struct kobj_attribute pport_type_attribute = +__ATTR(port_type, 0444, bfad_sysfs_pport_show, NULL); +static struct kobj_attribute pport_supported_classes_attribute = +__ATTR(supported_classes, 0444, bfad_sysfs_pport_show, NULL); +static struct kobj_attribute pport_symbolic_name_attribute = +__ATTR(symbolic_name, 0444, bfad_sysfs_pport_show, NULL); +static struct kobj_attribute pport_recv_bb_credits_attribute = +__ATTR(recv_bb_credits, 0444, bfad_sysfs_pport_show, NULL); +static struct kobj_attribute pport_topo_cur_attribute = +__ATTR(topology_current, 0444, bfad_sysfs_pport_show, NULL); +static struct kobj_attribute pport_topo_config_attribute = +__ATTR(topology_config, 0644, bfad_sysfs_pport_show, + bfad_sysfs_pport_store); +static struct kobj_attribute pport_speed_cur_attribute = +__ATTR(speed_current, 0444, bfad_sysfs_pport_show, NULL); +static struct kobj_attribute pport_speed_config_attribute = +__ATTR(speed_config, 0644, bfad_sysfs_pport_show, + bfad_sysfs_pport_store); +static struct kobj_attribute pport_maxfrm_attribute = +__ATTR(maxfrm, 0644, bfad_sysfs_pport_show, bfad_sysfs_pport_store); + +static struct kobj_attribute pport_stats_secs_since_reset_attribute = +__ATTR(secs_since_reset, 0444, bfad_pport_stats_show, NULL); +static struct kobj_attribute pport_stats_tx_frames_attribute = +__ATTR(tx_frames, 0444, bfad_pport_stats_show, NULL); +static struct kobj_attribute pport_stats_tx_words_attribute = +__ATTR(tx_words, 0444, bfad_pport_stats_show, NULL); +static struct kobj_attribute pport_stats_rx_frames_attribute = +__ATTR(rx_frames, 0444, bfad_pport_stats_show, NULL); +static struct kobj_attribute pport_stats_rx_words_attribute = +__ATTR(rx_words, 0444, bfad_pport_stats_show, NULL); +static struct kobj_attribute pport_stats_lips_attribute = +__ATTR(lip_count, 0444, bfad_pport_stats_show, NULL); +static struct kobj_attribute pport_stats_noss_attribute = +__ATTR(nos_count, 0444, bfad_pport_stats_show, NULL); +static struct kobj_attribute pport_stats_err_frames_attribute = +__ATTR(error_frames, 0444, bfad_pport_stats_show, NULL); +static struct kobj_attribute pport_stats_dropped_frames_attribute = +__ATTR(dropped_frames, 0444, bfad_pport_stats_show, NULL); +static struct kobj_attribute pport_stats_link_failures_attribute = +__ATTR(link_failures, 0444, bfad_pport_stats_show, NULL); +static struct kobj_attribute pport_stats_loss_of_syncs_attribute = +__ATTR(loss_of_syncs, 0444, bfad_pport_stats_show, NULL); +static struct kobj_attribute pport_stats_loss_of_sigs_attribute = +__ATTR(loss_of_signals, 0444, bfad_pport_stats_show, NULL); +static struct kobj_attribute pport_stats_prim_seq_errs_attribute = +__ATTR(primitive_seq_errs, 0444, bfad_pport_stats_show, NULL); +static struct kobj_attribute pport_stats_invalid_ordered_set_attribute = +__ATTR(invalid_ordered_set, 0444, bfad_pport_stats_show, NULL); +static struct kobj_attribute pport_stats_invalid_crcs_attribute = +__ATTR(invalid_crcs, 0444, bfad_pport_stats_show, NULL); +static struct kobj_attribute pport_stats_reset_attribute = +__ATTR(reset, 0200, NULL, bfad_sysfs_pport_store); + +static struct attribute *pport_attrs[] = { + &pport_enable_attribute.attr, + &pport_pwwn_attribute.attr, + &pport_nwwn_attribute.attr, + &pport_port_id_attribute.attr, + &pport_media_attribute.attr, + &pport_state_attribute.attr, + &pport_type_attribute.attr, + &pport_supported_classes_attribute.attr, + &pport_symbolic_name_attribute.attr, + &pport_recv_bb_credits_attribute.attr, + &pport_topo_cur_attribute.attr, + &pport_topo_config_attribute.attr, + &pport_speed_cur_attribute.attr, + &pport_speed_config_attribute.attr, + &pport_maxfrm_attribute.attr, + NULL, +}; + +static struct attribute_group pport_attr_group = { + .attrs = pport_attrs, +}; + +static struct attribute *pport_stats[] = { + &pport_stats_secs_since_reset_attribute.attr, + &pport_stats_tx_frames_attribute.attr, + &pport_stats_tx_words_attribute.attr, + &pport_stats_rx_frames_attribute.attr, + &pport_stats_rx_words_attribute.attr, + &pport_stats_lips_attribute.attr, + &pport_stats_noss_attribute.attr, + &pport_stats_err_frames_attribute.attr, + &pport_stats_dropped_frames_attribute.attr, + &pport_stats_link_failures_attribute.attr, + &pport_stats_loss_of_syncs_attribute.attr, + &pport_stats_loss_of_sigs_attribute.attr, + &pport_stats_prim_seq_errs_attribute.attr, + &pport_stats_invalid_ordered_set_attribute.attr, + &pport_stats_invalid_crcs_attribute.attr, + &pport_stats_reset_attribute.attr, + NULL, +}; + +static struct attribute_group pport_stats_group = { + .attrs = pport_stats, + .name = "statistics", +}; + +/** + * @brief Function to display IOC attributes + * @param[in] bfad - IOC + * @param[in] buf - Buffer to be filled in with attributes + * @retval - Number of bytes of 'buf' filled in. + */ +static ssize_t +bfad_ioc_attr_show(struct bfad_s *bfad, char *buf, + struct kobj_attribute *sys_attr) +{ + int len = 0; + struct bfa_ioc_attr_s attr; + struct bfa_pport_attr_s pattr; + unsigned long flags; + + memset(&attr, 0, sizeof(struct bfa_ioc_attr_s)); + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_get_attr(&bfad->bfa, &attr); + bfa_pport_get_attr(&bfad->bfa, &pattr); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + strcpy(attr.driver_attr.fw_ver, attr.adapter_attr.fw_ver); + + memcpy(&attr.pci_attr, &bfad->pci_attr, + sizeof(struct bfa_ioc_pci_attr_s)); + + if (strcmp(sys_attr->attr.name, "chip_rev") == 0) { + return snprintf(buf, PAGE_SIZE, "%s\n", + attr.pci_attr.chip_rev); + } else if (strcmp(sys_attr->attr.name, "manufacturer") == 0) { + return snprintf(buf, PAGE_SIZE, "%s\n", + attr.adapter_attr.manufacturer); + } else if (strcmp(sys_attr->attr.name, "serial_num") == 0) { + return snprintf(buf, PAGE_SIZE, "%s\n", + attr.adapter_attr.serial_num); + } else if (strcmp(sys_attr->attr.name, "model_desc") == 0) { + return snprintf(buf, PAGE_SIZE, "%s\n", + attr.adapter_attr.model_descr); + } else if (strcmp(sys_attr->attr.name, "pwwn") == 0) { + len = bfad_sysfs_snprint_pwwn(pattr.pwwn, buf, 0); + len += snprintf(buf + len, PAGE_SIZE - len, "\n"); + return len; + } else if (strcmp(sys_attr->attr.name, "nwwn") == 0) { + len += bfad_sysfs_snprint_pwwn(pattr.nwwn, buf, len); + len += snprintf(buf + len, PAGE_SIZE - len, "\n"); + return len; + } else if (strcmp(sys_attr->attr.name, "hw_ver") == 0) { + return snprintf(buf, PAGE_SIZE, "%s\n", + attr.adapter_attr.hw_ver); + } else if (strcmp(sys_attr->attr.name, "fw_ver") == 0) { + return snprintf(buf, PAGE_SIZE, "%s\n", + attr.driver_attr.fw_ver); + } else if (strcmp(sys_attr->attr.name, "optrom_ver") == 0) { + return snprintf(buf, PAGE_SIZE, "%s\n", + attr.driver_attr.ob_ver); + } else if (strcmp(sys_attr->attr.name, "bios_ver") == 0) { + return snprintf(buf, PAGE_SIZE, "%s\n", + attr.driver_attr.bios_ver); + } else if (strcmp(sys_attr->attr.name, "port_count") == 0) { + return snprintf(buf, PAGE_SIZE, "%d\n", + attr.adapter_attr.nports); + } else if (strcmp(sys_attr->attr.name, "name") == 0) { + return snprintf(buf, PAGE_SIZE, "%s\n", "bfa"); + } else if (strcmp(sys_attr->attr.name, "hw_name") == 0) { + return snprintf(buf, PAGE_SIZE, "%s\n", bfad->pci_name); + } else { + return 0; + } +} + +/** + * @brief Function to display IOC statistics + * @param[in] bfad - IOC + * @param[in] buf - Buffer to be filled in with attributes + * @retval - Number of bytes of 'buf' filled in. + */ +static ssize_t +bfad_ioc_stats_show(struct kobject *kobj, struct kobj_attribute *attr, + char *buf) +{ + struct bfad_s *bfad; + struct bfa_ioc_stats_s stats; + + bfad = bfad_find_bfad_by_kobj(kobj); + if (bfad == NULL) + return snprintf(buf, PAGE_SIZE, "Error finding bfad\n"); + + bfa_ioc_get_stats(&bfad->bfa, &stats); + + if (strcmp(attr->attr.name, "heartbeat_count") == 0) { + return snprintf(buf, PAGE_SIZE, "%d\n", + stats.drv_stats.hb_count); + } else if (strcmp(attr->attr.name, "disable_requests") == 0) { + return snprintf(buf, PAGE_SIZE, "%d\n", + stats.drv_stats.disable_reqs); + } else if (strcmp(attr->attr.name, "enable_requests") == 0) { + return snprintf(buf, PAGE_SIZE, "%d\n", + stats.drv_stats.enable_reqs); + } else if (strcmp(attr->attr.name, "disable_replies") == 0) { + return snprintf(buf, PAGE_SIZE, "%d\n", + stats.drv_stats.disable_replies); + } else if (strcmp(attr->attr.name, "enable_replies") == 0) { + return snprintf(buf, PAGE_SIZE, "%d\n", + stats.drv_stats.enable_replies); + } else { + return 0; + } +} + +static ssize_t +bfad_ioc_stats_store(struct bfad_s *bfad, const char *buf) +{ + int len = 0; + bfa_status_t status; + unsigned long flags; + struct bfad_hal_comp fcomp; + + init_completion(&fcomp.comp); + spin_lock_irqsave(&bfad->bfad_lock, flags); + status = bfa_iocfc_clear_stats(&bfad->bfa, bfad_sysfs_hcb_comp, &fcomp); + + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + if (status != BFA_STATUS_OK) + return -EINVAL; + + wait_for_completion(&fcomp.comp); + + return len; +} + +static ssize_t +bfad_ioc_intr_show(struct bfad_s *bfad, char *buf) +{ + int len = 0; + + return len; +} + +static ssize_t +bfad_ioc_intr_store(struct bfad_s *bfad, const char *buf, int latency, + int delay) +{ + struct bfa_iocfc_intr_attr_s intr_attr; + bfa_status_t status; + unsigned long flags; + + intr_attr.latency = latency; + intr_attr.delay = delay; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + status = bfa_iocfc_israttr_set(&bfad->bfa, &intr_attr); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + if (status != BFA_STATUS_OK) + return -EIO; + + return 0; +} + +static ssize_t +bfad_ioc_power_show(struct bfad_s *bfad, char *buf) +{ + int len = 0; + + return len; +} + +static ssize_t +bfad_ioc_power_store(struct bfad_s *bfad, const char *buf) +{ + int len = 0; + + return len; +} + +/** + * @brief Function to show IOC attributes + * @param[in] kobj - kobject of the 'ioc' directory <ROOT/INST/bfa/ioc> + * @param[in] attr - Attributes of the directory + * @param[in] buf - Buffer to be filled in. + * @retval - Number of bytes of 'buf' filled in. + */ +static ssize_t +bfad_sysfs_ioc_show(struct kobject *kobj, struct kobj_attribute *attr, + char *buf) +{ + struct bfad_s *bfad; + + bfad = bfad_find_bfad_by_kobj(kobj); + if (bfad == NULL) + return -EINVAL; + + if (strcmp(attr->attr.name, "intr") == 0) { + return bfad_ioc_intr_show(bfad, buf); + } else if (strcmp(attr->attr.name, "power") == 0) { + return bfad_ioc_power_show(bfad, buf); + } else { + return bfad_ioc_attr_show(bfad, buf, attr); + } +} + +/** + * @brief Function to configure IOC attributes e.g. power/stats/interrupt + * @param[in] kobj - kobject of the 'ioc' directory <ROOT/INST/bfa/ioc> + * @param[in] attr - Attributes of the directory + * @param[in] buf - Buffer contains user input + * @param[in] count - Number of bytes in 'buf' + * @retval count - Number of bytes of 'buf' used in the function + */ +static ssize_t +bfad_sysfs_ioc_store(struct kobject *kobj, struct kobj_attribute *attr, + const char *buf, size_t count) +{ + struct bfad_s *bfad; + + bfad = bfad_find_bfad_by_kobj(kobj); + if (bfad == NULL) + return -EINVAL; + + if (strncmp(attr->attr.name, "stats_reset", 6) == 0) { + bfad_ioc_stats_store(bfad, buf); + } else if (strcmp(attr->attr.name, "intr") == 0) { + int delay = 100, latency = 100; /* HACK Alert + **!! */ + bfad_ioc_intr_store(bfad, buf, delay, latency); + } else if (strcmp(attr->attr.name, "power") == 0) { + bfad_ioc_power_store(bfad, buf); + } + + return count; +} + +static struct kobj_attribute chip_rev_attribute = +__ATTR(chip_rev, 0444, bfad_sysfs_ioc_show, NULL); +static struct kobj_attribute manufacturer_attribute = +__ATTR(manufacturer, 0444, bfad_sysfs_ioc_show, NULL); +static struct kobj_attribute serial_num_attribute = +__ATTR(serial_num, 0444, bfad_sysfs_ioc_show, NULL); +static struct kobj_attribute model_desc_attribute = +__ATTR(model_desc, 0444, bfad_sysfs_ioc_show, NULL); +static struct kobj_attribute pwwn_attribute = +__ATTR(pwwn, 0444, bfad_sysfs_ioc_show, NULL); +static struct kobj_attribute nwwn_attribute = +__ATTR(nwwn, 0444, bfad_sysfs_ioc_show, NULL); +static struct kobj_attribute hw_ver_attribute = +__ATTR(hw_ver, 0444, bfad_sysfs_ioc_show, NULL); +static struct kobj_attribute fw_ver_attribute = +__ATTR(fw_ver, 0444, bfad_sysfs_ioc_show, NULL); +static struct kobj_attribute optrom_ver_attribute = +__ATTR(optrom_ver, 0444, bfad_sysfs_ioc_show, NULL); +static struct kobj_attribute bios_ver_attribute = +__ATTR(bios_ver, 0444, bfad_sysfs_ioc_show, NULL); +static struct kobj_attribute port_count_attribute = +__ATTR(port_count, 0444, bfad_sysfs_ioc_show, NULL); +static struct kobj_attribute name_attribute = +__ATTR(name, 0444, bfad_sysfs_ioc_show, NULL); +static struct kobj_attribute hw_name_attribute = +__ATTR(hw_name, 0444, bfad_sysfs_ioc_show, NULL); + +static struct kobj_attribute ioc_intr_attribute = +__ATTR(intr, 0644, bfad_sysfs_ioc_show, bfad_sysfs_ioc_store); +static struct kobj_attribute ioc_power_attribute = +__ATTR(power, 0644, bfad_sysfs_ioc_show, bfad_sysfs_ioc_store); + +static struct kobj_attribute ioc_stats_hb_count_attribute = +__ATTR(heartbeat_count, 0444, bfad_ioc_stats_show, NULL); +static struct kobj_attribute ioc_stats_disable_reqs_attribute = +__ATTR(disable_requests, 0444, bfad_ioc_stats_show, NULL); +static struct kobj_attribute ioc_stats_enable_reqs_attribute = +__ATTR(enable_requests, 0444, bfad_ioc_stats_show, NULL); +static struct kobj_attribute ioc_stats_disable_reps_attribute = +__ATTR(disable_replies, 0444, bfad_ioc_stats_show, NULL); +static struct kobj_attribute ioc_stats_enable_reps_attribute = +__ATTR(enable_replies, 0444, bfad_ioc_stats_show, NULL); +static struct kobj_attribute ioc_stats_reset_attribute = +__ATTR(reset, 0200, NULL, bfad_sysfs_ioc_store); + +static struct attribute *ioc_attrs[] = { + &chip_rev_attribute.attr, + &manufacturer_attribute.attr, + &serial_num_attribute.attr, + &model_desc_attribute.attr, + &pwwn_attribute.attr, + &nwwn_attribute.attr, + &hw_ver_attribute.attr, + &fw_ver_attribute.attr, + &optrom_ver_attribute.attr, + &bios_ver_attribute.attr, + &port_count_attribute.attr, + &name_attribute.attr, + &hw_name_attribute.attr, + &ioc_intr_attribute.attr, + &ioc_power_attribute.attr, + NULL, +}; + +static struct attribute_group ioc_attr_group = { + .attrs = ioc_attrs, +}; + +static struct attribute *ioc_stats[] = { + &ioc_stats_hb_count_attribute.attr, + &ioc_stats_disable_reqs_attribute.attr, + &ioc_stats_enable_reqs_attribute.attr, + &ioc_stats_disable_reps_attribute.attr, + &ioc_stats_enable_reps_attribute.attr, + &ioc_stats_reset_attribute.attr, + NULL, +}; + +static struct attribute_group ioc_stats_group = { + .attrs = ioc_stats, + .name = "statistics", +}; + +/** + * @brief + * Create the device sysfs attribute for PCI function level control . + */ +void +bfad_os_device_sysfs_create(struct bfad_s *bfad) +{ + int retval; + + /* + * Create bfa sub-directory under the pci device + */ + bfad->bfa_kobj = kobject_create_and_add("bfa", &bfad->pcidev->dev.kobj); + if (!bfad->bfa_kobj) { + printk(KERN_WARNING "failed to create bfa_kobj%d\n", + bfad->inst_no); + return; + } + + /* + * Create ioc sub-directory under bfa + */ + bfad->ioc_kobj = kobject_create_and_add("ioc", bfad->bfa_kobj); + if (!bfad->ioc_kobj) { + printk(KERN_WARNING "failed to create ioc_kobj%d\n", + bfad->inst_no); + goto out_ioc_kobj; + } + + /* + * Create ioc attribute files under ioc + */ + retval = sysfs_create_group(bfad->ioc_kobj, &ioc_attr_group); + if (retval) { + printk(KERN_WARNING "failed to create ioc_attr%d %d\n", + bfad->inst_no, retval); + goto out_ioc_attr; + } + + /* + * Create ioc statistics under ioc + */ + retval = sysfs_create_group(bfad->ioc_kobj, &ioc_stats_group); + if (retval) { + printk(KERN_WARNING "failed to create ioc_stats%d %d\n", + bfad->inst_no, retval); + goto out_ioc_attr; + } + + /* + * Create pport sub-directory under bfa + */ + bfad->pport_kobj = kobject_create_and_add("pport", bfad->bfa_kobj); + if (!bfad->pport_kobj) { + printk(KERN_WARNING "failed to create pport_kobj%d\n", + bfad->inst_no); + goto out_pport_kobj; + } + + /* + * Create pport attribute files under pport + */ + retval = sysfs_create_group(bfad->pport_kobj, &pport_attr_group); + if (retval) { + printk(KERN_WARNING "failed to create pport_attr%d\n", + bfad->inst_no); + goto out_pport_attr; + } + + /* + * Create pport statistics under pport + */ + retval = sysfs_create_group(bfad->pport_kobj, &pport_stats_group); + if (retval) { + printk(KERN_WARNING "failed to create pport_stats%d %d\n", + bfad->inst_no, retval); + goto out_pport_attr; + } + + /* + * Create lport sub-directory under bfa + */ + bfad->lport_kobj = kobject_create_and_add("lport", bfad->bfa_kobj); + if (!bfad->lport_kobj) { + printk(KERN_WARNING "failed to create lport_kobj%d\n", + bfad->inst_no); + goto out_lport_kobj; + } + + /* + * Create lport attribute files under lport + */ + retval = sysfs_create_group(bfad->lport_kobj, &lport_attr_group); + if (retval) { + printk(KERN_WARNING "failed to create lport_attr%d\n", + bfad->inst_no); + goto out_lport_attr; + } + + /* + * Create lport statistics under lport + */ + retval = sysfs_create_group(bfad->lport_kobj, &lport_stats_group); + if (retval) { + printk(KERN_WARNING "failed to create lport_stats%d %d\n", + bfad->inst_no, retval); + goto out_lport_attr; + } + + return; + +out_lport_attr: + kobject_put(bfad->lport_kobj); + bfad->lport_kobj = NULL; +out_lport_kobj: + sysfs_remove_group(bfad->pport_kobj, &pport_stats_group); +out_pport_attr: + kobject_put(bfad->pport_kobj); + bfad->pport_kobj = NULL; +out_pport_kobj: + sysfs_remove_group(bfad->ioc_kobj, &ioc_stats_group); +out_ioc_attr: + kobject_put(bfad->ioc_kobj); + bfad->ioc_kobj = NULL; +out_ioc_kobj: + kobject_put(bfad->bfa_kobj); + bfad->bfa_kobj = NULL; + return; +} + +void +bfad_os_device_sysfs_remove(struct bfad_s *bfad) +{ + /* + * Delete itnims & rports of the base port + */ + bfad_sysfs_delete_all_rports(bfad, KOBJ_TYPE_ITNIM, 0, + &bfad_kobj_base_list); + bfad_sysfs_delete_all_rports(bfad, KOBJ_TYPE_RPORT, 0, + &bfad_kobj_base_list); + + sysfs_remove_group(bfad->ioc_kobj, &ioc_stats_group); + sysfs_remove_group(bfad->pport_kobj, &pport_stats_group); + sysfs_remove_group(bfad->lport_kobj, &lport_stats_group); + + kobject_put(bfad->lport_kobj); + kobject_put(bfad->pport_kobj); + kobject_put(bfad->ioc_kobj); + kobject_put(bfad->bfa_kobj); +} diff -urpN orig/drivers/scsi/bfa/bfad_sysfs.h patch/drivers/scsi/bfa/bfad_sysfs.h --- orig/drivers/scsi/bfa/bfad_sysfs.h 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/bfad_sysfs.h 2008-09-24 12:08:24.000000000 -0700 @@ -0,0 +1,30 @@ +/* + * Copyright (c) 2005-2008 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef __BFAD_SYSFS_H__ +#define __BFAD_SYSFS_H__ + +int bfad_os_sysfs_lport_delete_dir(struct bfad_s *bfad, int vf_id, + int ioc_inst, u64 pwwn); +int bfad_os_sysfs_lport_add_dir(struct bfad_s *bfad, int vf_id, + int ioc_inst, struct bfa_port_cfg_s port_cfg); +int bfad_os_sysfs_vf_add_dir(struct bfad_s *bfad, int ioc_inst, u16 vf_id); +int bfad_os_sysfs_vf_delete_dir(struct bfad_s *bfad, u16 vf_id); +char *bfad_os_sysfs_get_ioc_path(struct bfad_s *bfad); +struct bfad_s *bfad_os_find_bfad_by_path(char *path); + +#endif diff -urpN orig/drivers/scsi/bfa/bfad_tm.h patch/drivers/scsi/bfa/bfad_tm.h --- orig/drivers/scsi/bfa/bfad_tm.h 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/bfad_tm.h 2008-09-24 12:08:24.000000000 -0700 @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2005-2008 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/* + * Brocade Fibre Channel HBA Linux Target Mode Driver + */ + +/** + * @file tm/dummy/bfad_tm.h BFA callback dummy header file for BFA Linux target mode PCI interface module. + */ + +#ifndef __BFAD_TM_H__ +#define __BFAD_TM_H__ + +#include <defs/bfa_defs_status.h> + +#define FCPT_NAME "" + +/* + * Called from base Linux driver on (De)Init events + */ + +/* attach tgt template with scst */ +#define bfad_tm_module_init() do {} while (0) + +/* detach/release tgt template */ +#define bfad_tm_module_exit() do {} while (0) + +#define bfad_tm_probe(x) do {} while (0) +#define bfad_tm_probe_undo(x) do {} while (0) +#define bfad_tm_probe_post(x) do {} while (0) + +/* + * Called by base Linux driver but triggered by BFA FCS on config events + */ +#define bfad_tm_port_new(x, y) BFA_STATUS_OK +#define bfad_tm_port_delete(x, y) do {} while (0) + +/* + * Called by base Linux driver but triggered by BFA FCS on PLOGI/O events + */ +#define bfad_tm_port_online(x, y) do {} while (0) +#define bfad_tm_port_offline(x, y) do {} while (0) + +#endif diff -urpN orig/drivers/scsi/bfa/bfad_trcmod.h patch/drivers/scsi/bfa/bfad_trcmod.h --- orig/drivers/scsi/bfa/bfad_trcmod.h 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/bfad_trcmod.h 2008-09-24 12:08:24.000000000 -0700 @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2005-2008 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * @file bfad_trcmod.h Linux driver trace modules + */ + + +#ifndef __BFAD_TRCMOD_H__ +#define __BFAD_TRCMOD_H__ + +#include <cs/bfa_trc.h> + +/* + * !!! Only append to the enums defined here to avoid any versioning + * !!! needed between trace utility and driver version + */ +enum { + /* 2.6 Driver */ + BFA_TRC_LDRV_BFAD = 1, + BFA_TRC_LDRV_BFAD_2_6 = 2, + BFA_TRC_LDRV_BFAD_2_6_9 = 3, + BFA_TRC_LDRV_BFAD_2_6_10 = 4, + BFA_TRC_LDRV_INTR = 5, + BFA_TRC_LDRV_IOCTL = 6, + BFA_TRC_LDRV_OS = 7, + BFA_TRC_LDRV_IM = 8, + BFA_TRC_LDRV_IM_2_6 = 9, + BFA_TRC_LDRV_IM_2_6_9 = 10, + BFA_TRC_LDRV_IM_2_6_10 = 11, + BFA_TRC_LDRV_TM = 12, + BFA_TRC_LDRV_IPFC = 13, + BFA_TRC_LDRV_IM_2_4 = 14, + BFA_TRC_LDRV_IM_VMW = 15, + BFA_TRC_LDRV_IM_LT_2_6_10 = 16, +}; + +#endif /* __BFAD_TRCMOD_H__ */ -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html