1183 lines
28 KiB
C
1183 lines
28 KiB
C
/*
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* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
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* All rights reserved
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* www.brocade.com
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*
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* Linux driver for Brocade Fibre Channel Host Bus Adapter.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License (GPL) Version 2 as
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* published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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/**
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* bfad.c Linux driver PCI interface module.
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*/
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#include <linux/module.h>
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#include "bfad_drv.h"
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#include "bfad_im.h"
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#include "bfad_tm.h"
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#include "bfad_ipfc.h"
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#include "bfad_trcmod.h"
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#include <fcb/bfa_fcb_vf.h>
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#include <fcb/bfa_fcb_rport.h>
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#include <fcb/bfa_fcb_port.h>
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#include <fcb/bfa_fcb.h>
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BFA_TRC_FILE(LDRV, BFAD);
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static DEFINE_MUTEX(bfad_mutex);
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LIST_HEAD(bfad_list);
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static int bfad_inst;
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int bfad_supported_fc4s;
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static char *host_name;
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static char *os_name;
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static char *os_patch;
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static int num_rports;
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static int num_ios;
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static int num_tms;
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static int num_fcxps;
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static int num_ufbufs;
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static int reqq_size;
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static int rspq_size;
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static int num_sgpgs;
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static int rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT;
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static int bfa_io_max_sge = BFAD_IO_MAX_SGE;
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static int log_level = BFA_LOG_WARNING;
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static int ioc_auto_recover = BFA_TRUE;
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static int ipfc_enable = BFA_FALSE;
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static int ipfc_mtu = -1;
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int bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH;
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int bfa_linkup_delay = -1;
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module_param(os_name, charp, S_IRUGO | S_IWUSR);
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module_param(os_patch, charp, S_IRUGO | S_IWUSR);
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module_param(host_name, charp, S_IRUGO | S_IWUSR);
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module_param(num_rports, int, S_IRUGO | S_IWUSR);
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module_param(num_ios, int, S_IRUGO | S_IWUSR);
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module_param(num_tms, int, S_IRUGO | S_IWUSR);
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module_param(num_fcxps, int, S_IRUGO | S_IWUSR);
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module_param(num_ufbufs, int, S_IRUGO | S_IWUSR);
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module_param(reqq_size, int, S_IRUGO | S_IWUSR);
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module_param(rspq_size, int, S_IRUGO | S_IWUSR);
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module_param(num_sgpgs, int, S_IRUGO | S_IWUSR);
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module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR);
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module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR);
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module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR);
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module_param(log_level, int, S_IRUGO | S_IWUSR);
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module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR);
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module_param(ipfc_enable, int, S_IRUGO | S_IWUSR);
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module_param(ipfc_mtu, int, S_IRUGO | S_IWUSR);
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module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR);
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/*
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* Stores the module parm num_sgpgs value;
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* used to reset for bfad next instance.
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*/
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static int num_sgpgs_parm;
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static bfa_status_t
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bfad_fc4_probe(struct bfad_s *bfad)
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{
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int rc;
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rc = bfad_im_probe(bfad);
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if (rc != BFA_STATUS_OK)
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goto ext;
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bfad_tm_probe(bfad);
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if (ipfc_enable)
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bfad_ipfc_probe(bfad);
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ext:
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return rc;
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}
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static void
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bfad_fc4_probe_undo(struct bfad_s *bfad)
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{
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bfad_im_probe_undo(bfad);
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bfad_tm_probe_undo(bfad);
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if (ipfc_enable)
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bfad_ipfc_probe_undo(bfad);
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}
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static void
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bfad_fc4_probe_post(struct bfad_s *bfad)
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{
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if (bfad->im)
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bfad_im_probe_post(bfad->im);
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bfad_tm_probe_post(bfad);
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if (ipfc_enable)
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bfad_ipfc_probe_post(bfad);
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}
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static bfa_status_t
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bfad_fc4_port_new(struct bfad_s *bfad, struct bfad_port_s *port, int roles)
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{
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int rc = BFA_STATUS_FAILED;
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if (roles & BFA_PORT_ROLE_FCP_IM)
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rc = bfad_im_port_new(bfad, port);
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if (rc != BFA_STATUS_OK)
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goto ext;
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if (roles & BFA_PORT_ROLE_FCP_TM)
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rc = bfad_tm_port_new(bfad, port);
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if (rc != BFA_STATUS_OK)
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goto ext;
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if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
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rc = bfad_ipfc_port_new(bfad, port, port->pvb_type);
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ext:
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return rc;
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}
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static void
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bfad_fc4_port_delete(struct bfad_s *bfad, struct bfad_port_s *port, int roles)
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{
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if (roles & BFA_PORT_ROLE_FCP_IM)
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bfad_im_port_delete(bfad, port);
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if (roles & BFA_PORT_ROLE_FCP_TM)
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bfad_tm_port_delete(bfad, port);
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if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
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bfad_ipfc_port_delete(bfad, port);
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}
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/**
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* BFA callbacks
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*/
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void
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bfad_hcb_comp(void *arg, bfa_status_t status)
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{
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struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg;
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fcomp->status = status;
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complete(&fcomp->comp);
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}
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/**
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* bfa_init callback
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*/
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void
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bfa_cb_init(void *drv, bfa_status_t init_status)
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{
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struct bfad_s *bfad = drv;
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if (init_status == BFA_STATUS_OK)
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bfad->bfad_flags |= BFAD_HAL_INIT_DONE;
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complete(&bfad->comp);
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}
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/**
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* BFA_FCS callbacks
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*/
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static struct bfad_port_s *
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bfad_get_drv_port(struct bfad_s *bfad, struct bfad_vf_s *vf_drv,
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struct bfad_vport_s *vp_drv)
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{
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return ((vp_drv) ? (&(vp_drv)->drv_port)
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: ((vf_drv) ? (&(vf_drv)->base_port) : (&(bfad)->pport)));
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}
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struct bfad_port_s *
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bfa_fcb_port_new(struct bfad_s *bfad, struct bfa_fcs_port_s *port,
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enum bfa_port_role roles, struct bfad_vf_s *vf_drv,
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struct bfad_vport_s *vp_drv)
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{
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bfa_status_t rc;
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struct bfad_port_s *port_drv;
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if (!vp_drv && !vf_drv) {
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port_drv = &bfad->pport;
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port_drv->pvb_type = BFAD_PORT_PHYS_BASE;
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} else if (!vp_drv && vf_drv) {
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port_drv = &vf_drv->base_port;
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port_drv->pvb_type = BFAD_PORT_VF_BASE;
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} else if (vp_drv && !vf_drv) {
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port_drv = &vp_drv->drv_port;
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port_drv->pvb_type = BFAD_PORT_PHYS_VPORT;
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} else {
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port_drv = &vp_drv->drv_port;
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port_drv->pvb_type = BFAD_PORT_VF_VPORT;
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}
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port_drv->fcs_port = port;
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port_drv->roles = roles;
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rc = bfad_fc4_port_new(bfad, port_drv, roles);
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if (rc != BFA_STATUS_OK) {
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bfad_fc4_port_delete(bfad, port_drv, roles);
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port_drv = NULL;
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}
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return port_drv;
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}
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void
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bfa_fcb_port_delete(struct bfad_s *bfad, enum bfa_port_role roles,
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struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv)
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{
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struct bfad_port_s *port_drv;
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/*
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* this will be only called from rmmod context
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*/
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if (vp_drv && !vp_drv->comp_del) {
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port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv);
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bfa_trc(bfad, roles);
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bfad_fc4_port_delete(bfad, port_drv, roles);
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}
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}
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void
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bfa_fcb_port_online(struct bfad_s *bfad, enum bfa_port_role roles,
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struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv)
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{
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struct bfad_port_s *port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv);
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if (roles & BFA_PORT_ROLE_FCP_IM)
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bfad_im_port_online(bfad, port_drv);
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if (roles & BFA_PORT_ROLE_FCP_TM)
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bfad_tm_port_online(bfad, port_drv);
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if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
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bfad_ipfc_port_online(bfad, port_drv);
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bfad->bfad_flags |= BFAD_PORT_ONLINE;
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}
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void
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bfa_fcb_port_offline(struct bfad_s *bfad, enum bfa_port_role roles,
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struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv)
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{
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struct bfad_port_s *port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv);
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if (roles & BFA_PORT_ROLE_FCP_IM)
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bfad_im_port_offline(bfad, port_drv);
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if (roles & BFA_PORT_ROLE_FCP_TM)
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bfad_tm_port_offline(bfad, port_drv);
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if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
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bfad_ipfc_port_offline(bfad, port_drv);
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}
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void
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bfa_fcb_vport_delete(struct bfad_vport_s *vport_drv)
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{
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if (vport_drv->comp_del) {
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complete(vport_drv->comp_del);
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return;
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}
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kfree(vport_drv);
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}
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/**
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* FCS RPORT alloc callback, after successful PLOGI by FCS
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*/
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bfa_status_t
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bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport,
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struct bfad_rport_s **rport_drv)
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{
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bfa_status_t rc = BFA_STATUS_OK;
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*rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC);
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if (*rport_drv == NULL) {
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rc = BFA_STATUS_ENOMEM;
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goto ext;
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}
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*rport = &(*rport_drv)->fcs_rport;
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ext:
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return rc;
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}
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void
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bfad_hal_mem_release(struct bfad_s *bfad)
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{
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int i;
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struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
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struct bfa_mem_elem_s *meminfo_elem;
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for (i = 0; i < BFA_MEM_TYPE_MAX; i++) {
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meminfo_elem = &hal_meminfo->meminfo[i];
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if (meminfo_elem->kva != NULL) {
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switch (meminfo_elem->mem_type) {
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case BFA_MEM_TYPE_KVA:
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vfree(meminfo_elem->kva);
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break;
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case BFA_MEM_TYPE_DMA:
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dma_free_coherent(&bfad->pcidev->dev,
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meminfo_elem->mem_len,
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meminfo_elem->kva,
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(dma_addr_t) meminfo_elem->dma);
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break;
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default:
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bfa_assert(0);
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break;
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}
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}
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}
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memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s));
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}
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void
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bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg)
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{
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if (num_rports > 0)
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bfa_cfg->fwcfg.num_rports = num_rports;
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if (num_ios > 0)
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bfa_cfg->fwcfg.num_ioim_reqs = num_ios;
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if (num_tms > 0)
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bfa_cfg->fwcfg.num_tskim_reqs = num_tms;
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if (num_fcxps > 0)
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bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps;
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if (num_ufbufs > 0)
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bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs;
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if (reqq_size > 0)
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bfa_cfg->drvcfg.num_reqq_elems = reqq_size;
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if (rspq_size > 0)
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bfa_cfg->drvcfg.num_rspq_elems = rspq_size;
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if (num_sgpgs > 0)
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bfa_cfg->drvcfg.num_sgpgs = num_sgpgs;
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/*
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* populate the hal values back to the driver for sysfs use.
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* otherwise, the default values will be shown as 0 in sysfs
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*/
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num_rports = bfa_cfg->fwcfg.num_rports;
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num_ios = bfa_cfg->fwcfg.num_ioim_reqs;
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num_tms = bfa_cfg->fwcfg.num_tskim_reqs;
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num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs;
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num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs;
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reqq_size = bfa_cfg->drvcfg.num_reqq_elems;
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rspq_size = bfa_cfg->drvcfg.num_rspq_elems;
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num_sgpgs = bfa_cfg->drvcfg.num_sgpgs;
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}
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bfa_status_t
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bfad_hal_mem_alloc(struct bfad_s *bfad)
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{
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struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
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struct bfa_mem_elem_s *meminfo_elem;
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bfa_status_t rc = BFA_STATUS_OK;
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dma_addr_t phys_addr;
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int retry_count = 0;
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int reset_value = 1;
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int min_num_sgpgs = 512;
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void *kva;
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int i;
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|
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bfa_cfg_get_default(&bfad->ioc_cfg);
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retry:
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bfad_update_hal_cfg(&bfad->ioc_cfg);
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bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs;
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bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo);
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for (i = 0; i < BFA_MEM_TYPE_MAX; i++) {
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meminfo_elem = &hal_meminfo->meminfo[i];
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switch (meminfo_elem->mem_type) {
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case BFA_MEM_TYPE_KVA:
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kva = vmalloc(meminfo_elem->mem_len);
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if (kva == NULL) {
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bfad_hal_mem_release(bfad);
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rc = BFA_STATUS_ENOMEM;
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goto ext;
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}
|
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memset(kva, 0, meminfo_elem->mem_len);
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meminfo_elem->kva = kva;
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break;
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case BFA_MEM_TYPE_DMA:
|
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kva = dma_alloc_coherent(&bfad->pcidev->dev,
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meminfo_elem->mem_len,
|
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&phys_addr, GFP_KERNEL);
|
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if (kva == NULL) {
|
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bfad_hal_mem_release(bfad);
|
|
/*
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* If we cannot allocate with default
|
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* num_sgpages try with half the value.
|
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*/
|
|
if (num_sgpgs > min_num_sgpgs) {
|
|
printk(KERN_INFO "bfad[%d]: memory"
|
|
" allocation failed with"
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" num_sgpgs: %d\n",
|
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bfad->inst_no, num_sgpgs);
|
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nextLowerInt(&num_sgpgs);
|
|
printk(KERN_INFO "bfad[%d]: trying to"
|
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" allocate memory with"
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" num_sgpgs: %d\n",
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bfad->inst_no, num_sgpgs);
|
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retry_count++;
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goto retry;
|
|
} else {
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if (num_sgpgs_parm > 0)
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num_sgpgs = num_sgpgs_parm;
|
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else {
|
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reset_value =
|
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(1 << retry_count);
|
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num_sgpgs *= reset_value;
|
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}
|
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rc = BFA_STATUS_ENOMEM;
|
|
goto ext;
|
|
}
|
|
}
|
|
|
|
if (num_sgpgs_parm > 0)
|
|
num_sgpgs = num_sgpgs_parm;
|
|
else {
|
|
reset_value = (1 << retry_count);
|
|
num_sgpgs *= reset_value;
|
|
}
|
|
|
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memset(kva, 0, meminfo_elem->mem_len);
|
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meminfo_elem->kva = kva;
|
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meminfo_elem->dma = phys_addr;
|
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break;
|
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default:
|
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break;
|
|
|
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}
|
|
}
|
|
ext:
|
|
return rc;
|
|
}
|
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|
|
/**
|
|
* 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;
|
|
struct completion fcomp;
|
|
|
|
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:
|
|
spin_lock_irqsave(&bfad->bfad_lock, flags);
|
|
vport->comp_del = &fcomp;
|
|
init_completion(vport->comp_del);
|
|
bfa_fcs_vport_delete(&vport->fcs_vport);
|
|
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
|
|
wait_for_completion(vport->comp_del);
|
|
ext_free_vport:
|
|
kfree(vport);
|
|
ext:
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* 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 list_head 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 (!list_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_BIT_MASK(64)) != 0)
|
|
if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) {
|
|
BFA_PRINTF(BFA_ERR, "pci_set_dma_mask fail %p\n", pdev);
|
|
goto out_release_region;
|
|
}
|
|
|
|
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_PRINTF(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)
|
|
{
|
|
#if defined(__ia64__)
|
|
pci_iounmap(pdev, bfad->pci_bar0_kva);
|
|
#else
|
|
iounmap(bfad->pci_bar0_kva);
|
|
#endif
|
|
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;
|
|
int i;
|
|
|
|
bfad->cfg_data.rport_del_timeout = rport_del_timeout;
|
|
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);
|
|
printk(KERN_WARNING
|
|
"Not enough memory to attach all Brocade HBA ports,"
|
|
" System may need more memory.\n");
|
|
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);
|
|
INIT_LIST_HEAD(&bfad->file_q);
|
|
INIT_LIST_HEAD(&bfad->file_free_q);
|
|
for (i = 0; i < BFAD_AEN_MAX_APPS; i++) {
|
|
bfa_q_qe_init(&bfad->file_buf[i].qe);
|
|
list_add_tail(&bfad->file_buf[i].qe, &bfad->file_free_q);
|
|
}
|
|
bfa_init_plog(&bfad->bfa, &bfad->plog_buf);
|
|
bfa_plog_init(&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);
|
|
|
|
/*
|
|
* 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;
|
|
}
|
|
|
|
spin_lock_irqsave(&bfad->bfad_lock, flags);
|
|
bfa_init(&bfad->bfa);
|
|
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
|
|
|
|
/*
|
|
* Set up interrupt handler for each vectors
|
|
*/
|
|
if ((bfad->bfad_flags & BFAD_MSIX_ON)
|
|
&& bfad_install_msix_handler(bfad)) {
|
|
printk(KERN_WARNING "%s: install_msix failed, bfad%d\n",
|
|
__FUNCTION__, bfad->inst_no);
|
|
}
|
|
|
|
bfad_init_timer(bfad);
|
|
|
|
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_FALSE);
|
|
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:
|
|
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)
|
|
{
|
|
del_timer_sync(&bfad->hal_tmo);
|
|
bfa_isr_disable(&bfad->bfa);
|
|
bfa_detach(&bfad->bfa);
|
|
bfad_remove_intr(bfad);
|
|
bfa_assert(list_empty(&bfad->file_q));
|
|
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);
|
|
bfa_fcs_start(&bfad->bfa_fcs);
|
|
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 ((bfad_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) && ipfc_enable) {
|
|
bfad_ipfc_port_delete(bfad, &bfad->pport);
|
|
bfad->pport.roles &= ~BFA_PORT_ROLE_FCP_IPFC;
|
|
}
|
|
|
|
if ((bfad_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 > BFA_LOG_INVALID && log_level <= BFA_LOG_LEVEL_MAX)
|
|
bfa_log_set_level_all(&bfad->log_data, log_level);
|
|
}
|
|
|
|
/*
|
|
* PCI_entry PCI driver entries * {
|
|
*/
|
|
|
|
/**
|
|
* 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;
|
|
|
|
if (!(bfad_load_fwimg(pdev))) {
|
|
printk(KERN_WARNING "bfad_load_fwimg failure!\n");
|
|
kfree(bfad->trcmod);
|
|
goto out_alloc_trace_failure;
|
|
}
|
|
|
|
retval = bfad_pci_init(pdev, bfad);
|
|
if (retval) {
|
|
printk(KERN_WARNING "bfad_pci_init failure!\n");
|
|
error = retval;
|
|
goto out_pci_init_failure;
|
|
}
|
|
|
|
mutex_lock(&bfad_mutex);
|
|
bfad->inst_no = bfad_inst++;
|
|
list_add_tail(&bfad->list_entry, &bfad_list);
|
|
mutex_unlock(&bfad_mutex);
|
|
|
|
spin_lock_init(&bfad->bfad_lock);
|
|
pci_set_drvdata(pdev, bfad);
|
|
|
|
bfad->ref_count = 0;
|
|
bfad->pport.bfad = 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);
|
|
|
|
/*
|
|
* If bfa_linkup_delay is set to -1 default; try to retrive the
|
|
* value using the bfad_os_get_linkup_delay(); else use the
|
|
* passed in module param value as the bfa_linkup_delay.
|
|
*/
|
|
if (bfa_linkup_delay < 0) {
|
|
bfa_linkup_delay = bfad_os_get_linkup_delay(bfad);
|
|
bfad_os_rport_online_wait(bfad);
|
|
bfa_linkup_delay = -1;
|
|
} else {
|
|
bfad_os_rport_online_wait(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:
|
|
mutex_lock(&bfad_mutex);
|
|
bfad_inst--;
|
|
list_del(&bfad->list_entry);
|
|
mutex_unlock(&bfad_mutex);
|
|
bfad_pci_uninit(pdev, bfad);
|
|
out_pci_init_failure:
|
|
kfree(bfad->trcmod);
|
|
out_alloc_trace_failure:
|
|
kfree(bfad);
|
|
out:
|
|
return error;
|
|
}
|
|
|
|
/**
|
|
* 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)) {
|
|
|
|
spin_lock_irqsave(&bfad->bfad_lock, flags);
|
|
init_completion(&bfad->comp);
|
|
bfa_stop(&bfad->bfa);
|
|
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
|
|
wait_for_completion(&bfad->comp);
|
|
|
|
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:
|
|
|
|
mutex_lock(&bfad_mutex);
|
|
bfad_inst--;
|
|
list_del(&bfad->list_entry);
|
|
mutex_unlock(&bfad_mutex);
|
|
bfad_pci_uninit(pdev, bfad);
|
|
|
|
kfree(bfad->trcmod);
|
|
kfree(bfad);
|
|
}
|
|
|
|
|
|
static struct pci_device_id bfad_id_table[] = {
|
|
{
|
|
.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);
|
|
|
|
static struct pci_driver bfad_pci_driver = {
|
|
.name = BFAD_DRIVER_NAME,
|
|
.id_table = bfad_id_table,
|
|
.probe = bfad_pci_probe,
|
|
.remove = __devexit_p(bfad_pci_remove),
|
|
};
|
|
|
|
/**
|
|
* 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();
|
|
if (ipfc_enable)
|
|
bfad_ipfc_module_init();
|
|
ext:
|
|
return rc;
|
|
}
|
|
|
|
void
|
|
bfad_fc4_module_exit(void)
|
|
{
|
|
if (ipfc_enable)
|
|
bfad_ipfc_module_exit();
|
|
bfad_tm_module_exit();
|
|
bfad_im_module_exit();
|
|
}
|
|
|
|
/**
|
|
* Driver module init.
|
|
*/
|
|
static int __init
|
|
bfad_init(void)
|
|
{
|
|
int error = 0;
|
|
|
|
printk(KERN_INFO "Brocade BFA FC/FCOE SCSI driver - version: %s\n",
|
|
BFAD_DRIVER_VERSION);
|
|
|
|
if (num_sgpgs > 0)
|
|
num_sgpgs_parm = num_sgpgs;
|
|
|
|
error = bfad_fc4_module_init();
|
|
if (error) {
|
|
error = -ENOMEM;
|
|
printk(KERN_WARNING "bfad_fc4_module_init failure\n");
|
|
goto ext;
|
|
}
|
|
|
|
if (!strcmp(FCPI_NAME, " fcpim"))
|
|
bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_IM;
|
|
if (!strcmp(FCPT_NAME, " fcptm"))
|
|
bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_TM;
|
|
if (!strcmp(IPFC_NAME, " ipfc"))
|
|
bfad_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);
|
|
|
|
if (error) {
|
|
printk(KERN_WARNING "bfad pci_register_driver failure\n");
|
|
goto ext;
|
|
}
|
|
|
|
return 0;
|
|
|
|
ext:
|
|
bfad_fc4_module_exit();
|
|
return error;
|
|
}
|
|
|
|
/**
|
|
* Driver module exit.
|
|
*/
|
|
static void __exit
|
|
bfad_exit(void)
|
|
{
|
|
pci_unregister_driver(&bfad_pci_driver);
|
|
bfad_fc4_module_exit();
|
|
bfad_free_fwimg();
|
|
}
|
|
|
|
#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);
|
|
|
|
|