fnic_main.c revision 5a0e3ad6af8660be21ca98a971cd00f331318c05
15df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar/* 25df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * Copyright 2008 Cisco Systems, Inc. All rights reserved. 35df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * Copyright 2007 Nuova Systems, Inc. All rights reserved. 45df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * 55df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * This program is free software; you may redistribute it and/or modify 65df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * it under the terms of the GNU General Public License as published by 75df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * the Free Software Foundation; version 2 of the License. 85df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * 95df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 105df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 115df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 125df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 135df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 145df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 155df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 165df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * SOFTWARE. 175df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar */ 185df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include <linux/module.h> 195df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include <linux/mempool.h> 205df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include <linux/string.h> 215a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/slab.h> 225df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include <linux/errno.h> 235df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include <linux/init.h> 245df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include <linux/pci.h> 255df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include <linux/skbuff.h> 265df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include <linux/interrupt.h> 275df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include <linux/spinlock.h> 285df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include <linux/workqueue.h> 2978112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt#include <linux/if_ether.h> 3078112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt#include <scsi/fc/fc_fip.h> 315df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include <scsi/scsi_host.h> 325df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include <scsi/scsi_transport.h> 335df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include <scsi/scsi_transport_fc.h> 345df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include <scsi/scsi_tcq.h> 355df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include <scsi/libfc.h> 365df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include <scsi/fc_frame.h> 375df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 385df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include "vnic_dev.h" 395df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include "vnic_intr.h" 405df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include "vnic_stats.h" 415df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include "fnic_io.h" 425df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#include "fnic.h" 435df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 445df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#define PCI_DEVICE_ID_CISCO_FNIC 0x0045 455df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 465df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar/* Timer to poll notification area for events. Used for MSI interrupts */ 475df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar#define FNIC_NOTIFY_TIMER_PERIOD (2 * HZ) 485df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 495df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic struct kmem_cache *fnic_sgl_cache[FNIC_SGL_NUM_CACHES]; 505df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic struct kmem_cache *fnic_io_req_cache; 515df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet JoglekarLIST_HEAD(fnic_list); 525df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet JoglekarDEFINE_SPINLOCK(fnic_list_lock); 535df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 545df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar/* Supported devices by fnic module */ 555df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic struct pci_device_id fnic_id_table[] = { 565df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar { PCI_DEVICE(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_FNIC) }, 575df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar { 0, } 585df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar}; 595df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 605df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet JoglekarMODULE_DESCRIPTION(DRV_DESCRIPTION); 615df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet JoglekarMODULE_AUTHOR("Abhijeet Joglekar <abjoglek@cisco.com>, " 625df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "Joseph R. Eykholt <jeykholt@cisco.com>"); 635df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet JoglekarMODULE_LICENSE("GPL v2"); 645df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet JoglekarMODULE_VERSION(DRV_VERSION); 655df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet JoglekarMODULE_DEVICE_TABLE(pci, fnic_id_table); 665df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 675df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarunsigned int fnic_log_level; 685df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarmodule_param(fnic_log_level, int, S_IRUGO|S_IWUSR); 695df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet JoglekarMODULE_PARM_DESC(fnic_log_level, "bit mask of fnic logging levels"); 705df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 715df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 725df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic struct libfc_function_template fnic_transport_template = { 735df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .frame_send = fnic_send, 7478112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt .lport_set_port_id = fnic_set_port_id, 755df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .fcp_abort_io = fnic_empty_scsi_cleanup, 765df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .fcp_cleanup = fnic_empty_scsi_cleanup, 775df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .exch_mgr_reset = fnic_exch_mgr_reset 785df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar}; 795df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 805df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic int fnic_slave_alloc(struct scsi_device *sdev) 815df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 825df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); 835df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct fc_lport *lp = shost_priv(sdev->host); 845df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct fnic *fnic = lport_priv(lp); 855df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 865df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar sdev->tagged_supported = 1; 875df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 885df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!rport || fc_remote_port_chkready(rport)) 895df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return -ENXIO; 905df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 915df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar scsi_activate_tcq(sdev, FNIC_DFLT_QUEUE_DEPTH); 925df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar rport->dev_loss_tmo = fnic->config.port_down_timeout / 1000; 935df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 945df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return 0; 955df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 965df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 975df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic struct scsi_host_template fnic_host_template = { 985df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .module = THIS_MODULE, 995df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .name = DRV_NAME, 1005df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .queuecommand = fnic_queuecommand, 1015df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .eh_abort_handler = fnic_abort_cmd, 1025df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .eh_device_reset_handler = fnic_device_reset, 1035df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .eh_host_reset_handler = fnic_host_reset, 1045df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .slave_alloc = fnic_slave_alloc, 1055df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .change_queue_depth = fc_change_queue_depth, 1065df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .change_queue_type = fc_change_queue_type, 1075df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .this_id = -1, 1085df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .cmd_per_lun = 3, 1095df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .can_queue = FNIC_MAX_IO_REQ, 1105df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .use_clustering = ENABLE_CLUSTERING, 1115df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .sg_tablesize = FNIC_MAX_SG_DESC_CNT, 1125df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .max_sectors = 0xffff, 1135df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .shost_attrs = fnic_attrs, 1145df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar}; 1155df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1165df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic void fnic_get_host_speed(struct Scsi_Host *shost); 1175df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic struct scsi_transport_template *fnic_fc_transport; 1185df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic struct fc_host_statistics *fnic_get_stats(struct Scsi_Host *); 1195df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1205df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic struct fc_function_template fnic_fc_functions = { 1215df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1225df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .show_host_node_name = 1, 1235df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .show_host_port_name = 1, 1245df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .show_host_supported_classes = 1, 1255df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .show_host_supported_fc4s = 1, 1265df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .show_host_active_fc4s = 1, 1275df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .show_host_maxframe_size = 1, 1285df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .show_host_port_id = 1, 1295df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .show_host_supported_speeds = 1, 1305df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .get_host_speed = fnic_get_host_speed, 1315df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .show_host_speed = 1, 1325df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .show_host_port_type = 1, 1335df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .get_host_port_state = fc_get_host_port_state, 1345df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .show_host_port_state = 1, 1355df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .show_host_symbolic_name = 1, 1365df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .show_rport_maxframe_size = 1, 1375df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .show_rport_supported_classes = 1, 1385df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .show_host_fabric_name = 1, 1395df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .show_starget_node_name = 1, 1405df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .show_starget_port_name = 1, 1415df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .show_starget_port_id = 1, 1425df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .show_rport_dev_loss_tmo = 1, 1435df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .issue_fc_host_lip = fnic_reset, 1445df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .get_fc_host_stats = fnic_get_stats, 1455df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .dd_fcrport_size = sizeof(struct fc_rport_libfc_priv), 1465df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .terminate_rport_io = fnic_terminate_rport_io, 14776d8737c9dda1593d52887c8a11bf3359e447896Joe Eykholt .bsg_request = fc_lport_bsg_request, 1485df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar}; 1495df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1505df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic void fnic_get_host_speed(struct Scsi_Host *shost) 1515df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 1525df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct fc_lport *lp = shost_priv(shost); 1535df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct fnic *fnic = lport_priv(lp); 1545df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u32 port_speed = vnic_dev_port_speed(fnic->vdev); 1555df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1565df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* Add in other values as they get defined in fw */ 1575df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar switch (port_speed) { 1585df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar case 10000: 1595df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fc_host_speed(shost) = FC_PORTSPEED_10GBIT; 1605df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar break; 1615df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar default: 1625df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fc_host_speed(shost) = FC_PORTSPEED_10GBIT; 1635df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar break; 1645df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 1655df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 1665df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1675df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic struct fc_host_statistics *fnic_get_stats(struct Scsi_Host *host) 1685df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 1695df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int ret; 1705df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct fc_lport *lp = shost_priv(host); 1715df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct fnic *fnic = lport_priv(lp); 1725df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct fc_host_statistics *stats = &lp->host_stats; 1735df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct vnic_stats *vs; 1745df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar unsigned long flags; 1755df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1765df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (time_before(jiffies, fnic->stats_time + HZ / FNIC_STATS_RATE_LIMIT)) 1775df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return stats; 1785df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic->stats_time = jiffies; 1795df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1805df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar spin_lock_irqsave(&fnic->fnic_lock, flags); 1815df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar ret = vnic_dev_stats_dump(fnic->vdev, &fnic->stats); 1825df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar spin_unlock_irqrestore(&fnic->fnic_lock, flags); 1835df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 1845df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (ret) { 1855df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar FNIC_MAIN_DBG(KERN_DEBUG, fnic->lport->host, 1865df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "fnic: Get vnic stats failed" 1875df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar " 0x%x", ret); 1885df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return stats; 1895df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 1905df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vs = fnic->stats; 1915df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar stats->tx_frames = vs->tx.tx_unicast_frames_ok; 1925df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar stats->tx_words = vs->tx.tx_unicast_bytes_ok / 4; 1935df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar stats->rx_frames = vs->rx.rx_unicast_frames_ok; 1945df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar stats->rx_words = vs->rx.rx_unicast_bytes_ok / 4; 1955df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar stats->error_frames = vs->tx.tx_errors + vs->rx.rx_errors; 1965df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar stats->dumped_frames = vs->tx.tx_drops + vs->rx.rx_drop; 1975df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar stats->invalid_crc_count = vs->rx.rx_crc_errors; 1985df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar stats->seconds_since_last_reset = (jiffies - lp->boot_time) / HZ; 1995df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar stats->fcp_input_megabytes = div_u64(fnic->fcp_input_bytes, 1000000); 2005df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar stats->fcp_output_megabytes = div_u64(fnic->fcp_output_bytes, 1000000); 2015df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2025df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return stats; 2035df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 2045df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2055df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarvoid fnic_log_q_error(struct fnic *fnic) 2065df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 2075df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar unsigned int i; 2085df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar u32 error_status; 2095df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2105df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < fnic->raw_wq_count; i++) { 2115df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar error_status = ioread32(&fnic->wq[i].ctrl->error_status); 2125df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (error_status) 2135df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 2145df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "WQ[%d] error_status" 2155df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar " %d\n", i, error_status); 2165df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 2175df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2185df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < fnic->rq_count; i++) { 2195df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar error_status = ioread32(&fnic->rq[i].ctrl->error_status); 2205df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (error_status) 2215df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 2225df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "RQ[%d] error_status" 2235df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar " %d\n", i, error_status); 2245df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 2255df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2265df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < fnic->wq_copy_count; i++) { 2275df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar error_status = ioread32(&fnic->wq_copy[i].ctrl->error_status); 2285df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (error_status) 2295df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 2305df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "CWQ[%d] error_status" 2315df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar " %d\n", i, error_status); 2325df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 2335df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 2345df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2355df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarvoid fnic_handle_link_event(struct fnic *fnic) 2365df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 2375df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar unsigned long flags; 2385df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2395df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar spin_lock_irqsave(&fnic->fnic_lock, flags); 2405df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (fnic->stop_rx_link_events) { 2415df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar spin_unlock_irqrestore(&fnic->fnic_lock, flags); 2425df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return; 2435df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 2445df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar spin_unlock_irqrestore(&fnic->fnic_lock, flags); 2455df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2465df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar queue_work(fnic_event_queue, &fnic->link_work); 2475df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2485df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 2495df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2505df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic int fnic_notify_set(struct fnic *fnic) 2515df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 2525df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int err; 2535df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2545df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar switch (vnic_dev_get_intr_mode(fnic->vdev)) { 2555df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar case VNIC_DEV_INTR_MODE_INTX: 2565df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = vnic_dev_notify_set(fnic->vdev, FNIC_INTX_NOTIFY); 2575df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar break; 2585df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar case VNIC_DEV_INTR_MODE_MSI: 2595df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = vnic_dev_notify_set(fnic->vdev, -1); 2605df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar break; 2615df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar case VNIC_DEV_INTR_MODE_MSIX: 2625df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = vnic_dev_notify_set(fnic->vdev, FNIC_MSIX_ERR_NOTIFY); 2635df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar break; 2645df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar default: 2655df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 2665df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "Interrupt mode should be set up" 2675df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar " before devcmd notify set %d\n", 2685df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_dev_get_intr_mode(fnic->vdev)); 2695df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = -1; 2705df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar break; 2715df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 2725df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2735df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return err; 2745df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 2755df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2765df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic void fnic_notify_timer(unsigned long data) 2775df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 2785df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct fnic *fnic = (struct fnic *)data; 2795df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2805df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_handle_link_event(fnic); 2815df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar mod_timer(&fnic->notify_timer, 2825df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar round_jiffies(jiffies + FNIC_NOTIFY_TIMER_PERIOD)); 2835df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 2845df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 2855df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic void fnic_notify_timer_start(struct fnic *fnic) 2865df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 2875df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar switch (vnic_dev_get_intr_mode(fnic->vdev)) { 2885df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar case VNIC_DEV_INTR_MODE_MSI: 2895df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* 2905df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * Schedule first timeout immediately. The driver is 2915df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * initiatialized and ready to look for link up notification 2925df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar */ 2935df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar mod_timer(&fnic->notify_timer, jiffies); 2945df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar break; 2955df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar default: 2965df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* Using intr for notification for INTx/MSI-X */ 2975df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar break; 2985df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar }; 2995df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 3005df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3015df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic int fnic_dev_wait(struct vnic_dev *vdev, 3025df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int (*start)(struct vnic_dev *, int), 3035df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int (*finished)(struct vnic_dev *, int *), 3045df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int arg) 3055df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 3065df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar unsigned long time; 3075df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int done; 3085df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int err; 3095df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3105df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = start(vdev, arg); 3115df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) 3125df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return err; 3135df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3145df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* Wait for func to complete...2 seconds max */ 3155df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar time = jiffies + (HZ * 2); 3165df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar do { 3175df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = finished(vdev, &done); 3185df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) 3195df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return err; 3205df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (done) 3215df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return 0; 3225df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar schedule_timeout_uninterruptible(HZ / 10); 3235df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } while (time_after(time, jiffies)); 3245df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3255df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return -ETIMEDOUT; 3265df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 3275df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3285df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic int fnic_cleanup(struct fnic *fnic) 3295df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 3305df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar unsigned int i; 3315df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int err; 3325df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3335df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_dev_disable(fnic->vdev); 3345df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < fnic->intr_count; i++) 3355df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_intr_mask(&fnic->intr[i]); 3365df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3375df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < fnic->rq_count; i++) { 3385df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = vnic_rq_disable(&fnic->rq[i]); 3395df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) 3405df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return err; 3415df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 3425df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < fnic->raw_wq_count; i++) { 3435df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = vnic_wq_disable(&fnic->wq[i]); 3445df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) 3455df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return err; 3465df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 3475df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < fnic->wq_copy_count; i++) { 3485df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = vnic_wq_copy_disable(&fnic->wq_copy[i]); 3495df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) 3505df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return err; 3515df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 3525df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3535df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* Clean up completed IOs and FCS frames */ 3545df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_wq_copy_cmpl_handler(fnic, -1); 3555df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_wq_cmpl_handler(fnic, -1); 3565df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_rq_cmpl_handler(fnic, -1); 3575df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3585df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* Clean up the IOs and FCS frames that have not completed */ 3595df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < fnic->raw_wq_count; i++) 3605df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_wq_clean(&fnic->wq[i], fnic_free_wq_buf); 3615df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < fnic->rq_count; i++) 3625df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_rq_clean(&fnic->rq[i], fnic_free_rq_buf); 3635df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < fnic->wq_copy_count; i++) 3645df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_wq_copy_clean(&fnic->wq_copy[i], 3655df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_wq_copy_cleanup_handler); 3665df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3675df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < fnic->cq_count; i++) 3685df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_cq_clean(&fnic->cq[i]); 3695df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < fnic->intr_count; i++) 3705df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_intr_clean(&fnic->intr[i]); 3715df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3725df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar mempool_destroy(fnic->io_req_pool); 3735df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < FNIC_SGL_NUM_CACHES; i++) 3745df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar mempool_destroy(fnic->io_sgl_pool[i]); 3755df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3765df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return 0; 3775df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 3785df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3795df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic void fnic_iounmap(struct fnic *fnic) 3805df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 3815df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (fnic->bar0.vaddr) 3825df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar iounmap(fnic->bar0.vaddr); 3835df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 3845df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3855df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar/* 3865df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * Allocate element for mempools requiring GFP_DMA flag. 3875df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * Otherwise, checks in kmem_flagcheck() hit BUG_ON(). 3885df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar */ 3895df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic void *fnic_alloc_slab_dma(gfp_t gfp_mask, void *pool_data) 3905df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 3915df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct kmem_cache *mem = pool_data; 3925df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 3935df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return kmem_cache_alloc(mem, gfp_mask | GFP_ATOMIC | GFP_DMA); 3945df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 3955df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 39678112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt/** 39778112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt * fnic_get_mac() - get assigned data MAC address for FIP code. 39878112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt * @lport: local port. 39978112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt */ 40078112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholtstatic u8 *fnic_get_mac(struct fc_lport *lport) 40178112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt{ 40278112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt struct fnic *fnic = lport_priv(lport); 40378112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt 40478112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt return fnic->data_src_addr; 40578112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt} 40678112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt 4075df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic int __devinit fnic_probe(struct pci_dev *pdev, 4085df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar const struct pci_device_id *ent) 4095df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 4105df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct Scsi_Host *host; 4115df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct fc_lport *lp; 4125df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct fnic *fnic; 4135df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar mempool_t *pool; 4145df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int err; 4155df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int i; 4165df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar unsigned long flags; 4175df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4185df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* 4195df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * Allocate SCSI Host and set up association between host, 4205df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * local port, and fnic 4215df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar */ 42286221969e20a2f60ce104160dc836a964974673bChris Leech lp = libfc_host_alloc(&fnic_host_template, sizeof(struct fnic)); 42386221969e20a2f60ce104160dc836a964974673bChris Leech if (!lp) { 42486221969e20a2f60ce104160dc836a964974673bChris Leech printk(KERN_ERR PFX "Unable to alloc libfc local port\n"); 4255df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = -ENOMEM; 4265df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out; 4275df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 42886221969e20a2f60ce104160dc836a964974673bChris Leech host = lp->host; 4295df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic = lport_priv(lp); 4305df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic->lport = lp; 43178112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt fnic->ctlr.lp = lp; 4325df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4335df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar snprintf(fnic->name, sizeof(fnic->name) - 1, "%s%d", DRV_NAME, 4345df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar host->host_no); 4355df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4365df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar host->transportt = fnic_fc_transport; 4375df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4385df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = scsi_init_shared_tag_map(host, FNIC_MAX_IO_REQ); 4395df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) { 4405df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 4415df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "Unable to alloc shared tag map\n"); 4425df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out_free_hba; 4435df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 4445df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4455df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* Setup PCI resources */ 4465df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar pci_set_drvdata(pdev, fnic); 4475df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4485df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic->pdev = pdev; 4495df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4505df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = pci_enable_device(pdev); 4515df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) { 4525df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 4535df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "Cannot enable PCI device, aborting.\n"); 4545df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out_free_hba; 4555df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 4565df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4575df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = pci_request_regions(pdev, DRV_NAME); 4585df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) { 4595df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 4605df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "Cannot enable PCI resources, aborting\n"); 4615df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out_disable_device; 4625df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 4635df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4645df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar pci_set_master(pdev); 4655df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4665df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* Query PCI controller on system for DMA addressing 4675df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * limitation for the device. Try 40-bit first, and 4685df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * fail to 32-bit. 4695df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar */ 470e3f47cc74bddea8121560026185ede4770170043Abhijeet Joglekar err = pci_set_dma_mask(pdev, DMA_BIT_MASK(40)); 4715df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) { 472e3f47cc74bddea8121560026185ede4770170043Abhijeet Joglekar err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); 4735df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) { 4745df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 4755df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "No usable DMA configuration " 4765df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "aborting\n"); 4775df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out_release_regions; 4785df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 479e3f47cc74bddea8121560026185ede4770170043Abhijeet Joglekar err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); 4805df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) { 4815df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 4825df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "Unable to obtain 32-bit DMA " 4835df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "for consistent allocations, aborting.\n"); 4845df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out_release_regions; 4855df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 4865df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } else { 487e3f47cc74bddea8121560026185ede4770170043Abhijeet Joglekar err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(40)); 4885df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) { 4895df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 4905df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "Unable to obtain 40-bit DMA " 4915df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "for consistent allocations, aborting.\n"); 4925df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out_release_regions; 4935df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 4945df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 4955df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 4965df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* Map vNIC resources from BAR0 */ 4975df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 4985df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 4995df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "BAR0 not memory-map'able, aborting.\n"); 5005df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = -ENODEV; 5015df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out_release_regions; 5025df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 5035df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5045df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic->bar0.vaddr = pci_iomap(pdev, 0, 0); 5055df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic->bar0.bus_addr = pci_resource_start(pdev, 0); 5065df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic->bar0.len = pci_resource_len(pdev, 0); 5075df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5085df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!fnic->bar0.vaddr) { 5095df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 5105df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "Cannot memory-map BAR0 res hdr, " 5115df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "aborting.\n"); 5125df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = -ENODEV; 5135df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out_release_regions; 5145df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 5155df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5165df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic->vdev = vnic_dev_register(NULL, fnic, pdev, &fnic->bar0); 5175df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!fnic->vdev) { 5185df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 5195df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "vNIC registration failed, " 5205df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "aborting.\n"); 5215df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = -ENODEV; 5225df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out_iounmap; 5235df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 5245df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5255df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = fnic_dev_wait(fnic->vdev, vnic_dev_open, 5265df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_dev_open_done, 0); 5275df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) { 5285df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 5295df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "vNIC dev open failed, aborting.\n"); 5305df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out_vnic_unregister; 5315df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 5325df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5335df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = vnic_dev_init(fnic->vdev, 0); 5345df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) { 5355df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 5365df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "vNIC dev init failed, aborting.\n"); 5375df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out_dev_close; 5385df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 5395df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 54078112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt err = vnic_dev_mac_addr(fnic->vdev, fnic->ctlr.ctl_src_addr); 5415df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) { 5425df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 5435df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "vNIC get MAC addr failed \n"); 5445df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out_dev_close; 5455df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 54678112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt /* set data_src for point-to-point mode and to keep it non-zero */ 54778112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt memcpy(fnic->data_src_addr, fnic->ctlr.ctl_src_addr, ETH_ALEN); 5485df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5495df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* Get vNIC configuration */ 5505df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = fnic_get_vnic_config(fnic); 5515df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) { 5525df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 5535df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "Get vNIC configuration failed, " 5545df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "aborting.\n"); 5555df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out_dev_close; 5565df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 5575df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar host->max_lun = fnic->config.luns_per_tgt; 5585df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar host->max_id = FNIC_MAX_FCP_TARGET; 559f9bdc3da4c9c2af4886bc6a562effc05cbf75234Abhijeet Joglekar host->max_cmd_len = FNIC_MAX_CMD_LEN; 5605df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5615df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_get_res_counts(fnic); 5625df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5635df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = fnic_set_intr_mode(fnic); 5645df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) { 5655df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 5665df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "Failed to set intr mode, " 5675df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "aborting.\n"); 5685df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out_dev_close; 5695df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 5705df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5715df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = fnic_alloc_vnic_resources(fnic); 5725df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) { 5735df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 5745df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "Failed to alloc vNIC resources, " 5755df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "aborting.\n"); 5762e76f7670b33a3b0bdf015ed1459e4b417a40ce0Abhijeet Joglekar goto err_out_clear_intr; 5775df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 5785df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5795df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5805df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* initialize all fnic locks */ 5815df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar spin_lock_init(&fnic->fnic_lock); 5825df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5835df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < FNIC_WQ_MAX; i++) 5845df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar spin_lock_init(&fnic->wq_lock[i]); 5855df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5865df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < FNIC_WQ_COPY_MAX; i++) { 5875df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar spin_lock_init(&fnic->wq_copy_lock[i]); 5885df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic->wq_copy_desc_low[i] = DESC_CLEAN_LOW_WATERMARK; 5895df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic->fw_ack_recd[i] = 0; 5905df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic->fw_ack_index[i] = -1; 5915df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 5925df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5935df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < FNIC_IO_LOCKS; i++) 5945df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar spin_lock_init(&fnic->io_req_lock[i]); 5955df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 5965df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic->io_req_pool = mempool_create_slab_pool(2, fnic_io_req_cache); 5975df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!fnic->io_req_pool) 5985df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out_free_resources; 5995df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6005df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar pool = mempool_create(2, fnic_alloc_slab_dma, mempool_free_slab, 6015df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]); 6025df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!pool) 6035df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out_free_ioreq_pool; 6045df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic->io_sgl_pool[FNIC_SGL_CACHE_DFLT] = pool; 6055df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6065df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar pool = mempool_create(2, fnic_alloc_slab_dma, mempool_free_slab, 6075df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_sgl_cache[FNIC_SGL_CACHE_MAX]); 6085df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!pool) 6095df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out_free_dflt_pool; 6105df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic->io_sgl_pool[FNIC_SGL_CACHE_MAX] = pool; 6115df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6125df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* setup vlan config, hw inserts vlan header */ 6135df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic->vlan_hw_insert = 1; 6145df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic->vlan_id = 0; 6155df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 61678112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt /* Initialize the FIP fcoe_ctrl struct */ 61778112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt fnic->ctlr.send = fnic_eth_send; 61878112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt fnic->ctlr.update_mac = fnic_update_mac; 61978112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt fnic->ctlr.get_src_addr = fnic_get_mac; 62078112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt fcoe_ctlr_init(&fnic->ctlr); 62178112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt if (fnic->config.flags & VFCF_FIP_CAPABLE) { 62278112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt shost_printk(KERN_INFO, fnic->lport->host, 62378112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt "firmware supports FIP\n"); 624aaa5e569ca96f5cf70202679a5864e60798b8ef6Venkata Siva Vijayendra Bhamidipati /* enable directed and multicast */ 625aaa5e569ca96f5cf70202679a5864e60798b8ef6Venkata Siva Vijayendra Bhamidipati vnic_dev_packet_filter(fnic->vdev, 1, 1, 0, 0, 0); 62678112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt vnic_dev_add_addr(fnic->vdev, FIP_ALL_ENODE_MACS); 62778112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt vnic_dev_add_addr(fnic->vdev, fnic->ctlr.ctl_src_addr); 62878112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt } else { 62978112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt shost_printk(KERN_INFO, fnic->lport->host, 63078112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt "firmware uses non-FIP mode\n"); 63178112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt fnic->ctlr.mode = FIP_ST_NON_FIP; 63278112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt } 6335df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic->state = FNIC_IN_FC_MODE; 6345df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6355df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* Enable hardware stripping of vlan header on ingress */ 6365df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_set_nic_config(fnic, 0, 0, 0, 0, 0, 0, 1); 6375df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6385df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* Setup notification buffer area */ 6395df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = fnic_notify_set(fnic); 6405df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) { 6415df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 6425df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "Failed to alloc notify buffer, aborting.\n"); 6435df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out_free_max_pool; 6445df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 6455df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6465df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* Setup notify timer when using MSI interrupts */ 6475df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (vnic_dev_get_intr_mode(fnic->vdev) == VNIC_DEV_INTR_MODE_MSI) 6485df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar setup_timer(&fnic->notify_timer, 6495df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_notify_timer, (unsigned long)fnic); 6505df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6515df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* allocate RQ buffers and post them to RQ*/ 6525df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < fnic->rq_count; i++) { 6535df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = vnic_rq_fill(&fnic->rq[i], fnic_alloc_rq_frame); 6545df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) { 6555df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 6565df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "fnic_alloc_rq_frame can't alloc " 6575df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "frame\n"); 6585df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out_free_rq_buf; 6595df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 6605df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 6615df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6625df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* 6635df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * Initialization done with PCI system, hardware, firmware. 6645df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * Add host to SCSI 6655df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar */ 6665df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = scsi_add_host(lp->host, &pdev->dev); 6675df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err) { 6685df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 6695df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar "fnic: scsi_add_host failed...exiting\n"); 6705df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out_free_rq_buf; 6715df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 6725df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6735df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* Start local port initiatialization */ 6745df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6755df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar lp->link_up = 0; 6765df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar lp->tt = fnic_transport_template; 6775df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6785df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar lp->max_retry_count = fnic->config.flogi_retries; 679a366695592ebc9151dd5a248681270f0925d8324Abhijeet Joglekar lp->max_rport_retry_count = fnic->config.plogi_retries; 6805df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar lp->service_params = (FCP_SPPF_INIT_FCN | FCP_SPPF_RD_XRDY_DIS | 6815df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar FCP_SPPF_CONF_COMPL); 6825df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (fnic->config.flags & VFCF_FCP_SEQ_LVL_ERR) 6835df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar lp->service_params |= FCP_SPPF_RETRY; 6845df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6855df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar lp->boot_time = jiffies; 6865df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar lp->e_d_tov = fnic->config.ed_tov; 6875df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar lp->r_a_tov = fnic->config.ra_tov; 6885df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar lp->link_supported_speeds = FC_PORTSPEED_10GBIT; 6895df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fc_set_wwnn(lp, fnic->config.node_wwn); 6905df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fc_set_wwpn(lp, fnic->config.port_wwn); 6915df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 6925df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fc_lport_init(lp); 69352ff878c912215210f53c0a080552dd6ba3055a2Vasu Dev fc_exch_init(lp); 6945df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fc_elsct_init(lp); 6955df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fc_rport_init(lp); 6965df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fc_disc_init(lp); 6975df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 69852ff878c912215210f53c0a080552dd6ba3055a2Vasu Dev if (!fc_exch_mgr_alloc(lp, FC_CLASS_3, FCPIO_HOST_EXCH_RANGE_START, 69952ff878c912215210f53c0a080552dd6ba3055a2Vasu Dev FCPIO_HOST_EXCH_RANGE_END, NULL)) { 70052ff878c912215210f53c0a080552dd6ba3055a2Vasu Dev err = -ENOMEM; 70152ff878c912215210f53c0a080552dd6ba3055a2Vasu Dev goto err_out_remove_scsi_host; 70252ff878c912215210f53c0a080552dd6ba3055a2Vasu Dev } 70352ff878c912215210f53c0a080552dd6ba3055a2Vasu Dev 704c693a71d2556128ef0b5b2440f0b579cd42c425dVenkata Siva Vijayendra Bhamidipati fc_lport_init_stats(lp); 705c693a71d2556128ef0b5b2440f0b579cd42c425dVenkata Siva Vijayendra Bhamidipati 7065df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fc_lport_config(lp); 7075df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 7085df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (fc_set_mfs(lp, fnic->config.maxdatafieldsize + 7095df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar sizeof(struct fc_frame_header))) { 7105df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = -EINVAL; 7115df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_out_free_exch_mgr; 7125df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 7135df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fc_host_maxframe_size(lp->host) = lp->mfs; 7145df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 7155df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar sprintf(fc_host_symbolic_name(lp->host), 7165df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar DRV_NAME " v" DRV_VERSION " over %s", fnic->name); 7175df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 7185df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar spin_lock_irqsave(&fnic_list_lock, flags); 7195df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar list_add_tail(&fnic->list, &fnic_list); 7205df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar spin_unlock_irqrestore(&fnic_list_lock, flags); 7215df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 7225df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar INIT_WORK(&fnic->link_work, fnic_handle_link); 7235df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar INIT_WORK(&fnic->frame_work, fnic_handle_frame); 7245df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar skb_queue_head_init(&fnic->frame_queue); 72578112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt skb_queue_head_init(&fnic->tx_queue); 7265df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 7275df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* Enable all queues */ 7285df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < fnic->raw_wq_count; i++) 7295df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_wq_enable(&fnic->wq[i]); 7305df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < fnic->rq_count; i++) 7315df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_rq_enable(&fnic->rq[i]); 7325df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < fnic->wq_copy_count; i++) 7335df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_wq_copy_enable(&fnic->wq_copy[i]); 7345df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 7355df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fc_fabric_login(lp); 7365df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 7375df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_dev_enable(fnic->vdev); 7382e76f7670b33a3b0bdf015ed1459e4b417a40ce0Abhijeet Joglekar 7392e76f7670b33a3b0bdf015ed1459e4b417a40ce0Abhijeet Joglekar err = fnic_request_intr(fnic); 7402e76f7670b33a3b0bdf015ed1459e4b417a40ce0Abhijeet Joglekar if (err) { 7412e76f7670b33a3b0bdf015ed1459e4b417a40ce0Abhijeet Joglekar shost_printk(KERN_ERR, fnic->lport->host, 7422e76f7670b33a3b0bdf015ed1459e4b417a40ce0Abhijeet Joglekar "Unable to request irq.\n"); 7432e76f7670b33a3b0bdf015ed1459e4b417a40ce0Abhijeet Joglekar goto err_out_free_exch_mgr; 7442e76f7670b33a3b0bdf015ed1459e4b417a40ce0Abhijeet Joglekar } 7452e76f7670b33a3b0bdf015ed1459e4b417a40ce0Abhijeet Joglekar 7465df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < fnic->intr_count; i++) 7475df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_intr_unmask(&fnic->intr[i]); 7485df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 7495df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_notify_timer_start(fnic); 7505df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 7515df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return 0; 7525df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 7535df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarerr_out_free_exch_mgr: 75452ff878c912215210f53c0a080552dd6ba3055a2Vasu Dev fc_exch_mgr_free(lp); 7555df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarerr_out_remove_scsi_host: 75678112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt fc_remove_host(lp->host); 75778112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt scsi_remove_host(lp->host); 7585df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarerr_out_free_rq_buf: 7595df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar for (i = 0; i < fnic->rq_count; i++) 7605df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_rq_clean(&fnic->rq[i], fnic_free_rq_buf); 7615df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_dev_notify_unset(fnic->vdev); 7625df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarerr_out_free_max_pool: 7635df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar mempool_destroy(fnic->io_sgl_pool[FNIC_SGL_CACHE_MAX]); 7645df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarerr_out_free_dflt_pool: 7655df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar mempool_destroy(fnic->io_sgl_pool[FNIC_SGL_CACHE_DFLT]); 7665df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarerr_out_free_ioreq_pool: 7675df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar mempool_destroy(fnic->io_req_pool); 7685df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarerr_out_free_resources: 7695df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_free_vnic_resources(fnic); 7705df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarerr_out_clear_intr: 7715df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_clear_intr_mode(fnic); 7725df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarerr_out_dev_close: 7735df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_dev_close(fnic->vdev); 7745df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarerr_out_vnic_unregister: 7755df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_dev_unregister(fnic->vdev); 7765df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarerr_out_iounmap: 7775df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_iounmap(fnic); 7785df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarerr_out_release_regions: 7795df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar pci_release_regions(pdev); 7805df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarerr_out_disable_device: 7815df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar pci_disable_device(pdev); 7825df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarerr_out_free_hba: 7835df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar scsi_host_put(lp->host); 7845df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarerr_out: 7855df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return err; 7865df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 7875df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 7885df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic void __devexit fnic_remove(struct pci_dev *pdev) 7895df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 7905df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar struct fnic *fnic = pci_get_drvdata(pdev); 79178112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt struct fc_lport *lp = fnic->lport; 7925df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar unsigned long flags; 7935df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 7945df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* 7955df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * Mark state so that the workqueue thread stops forwarding 7965df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * received frames and link events to the local port. ISR and 7975df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * other threads that can queue work items will also stop 7985df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * creating work items on the fnic workqueue 7995df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar */ 8005df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar spin_lock_irqsave(&fnic->fnic_lock, flags); 8015df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic->stop_rx_link_events = 1; 8025df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar spin_unlock_irqrestore(&fnic->fnic_lock, flags); 8035df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 8045df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (vnic_dev_get_intr_mode(fnic->vdev) == VNIC_DEV_INTR_MODE_MSI) 8055df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar del_timer_sync(&fnic->notify_timer); 8065df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 8075df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* 8085df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * Flush the fnic event queue. After this call, there should 8095df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * be no event queued for this fnic device in the workqueue 8105df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar */ 8115df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar flush_workqueue(fnic_event_queue); 8125df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar skb_queue_purge(&fnic->frame_queue); 81378112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt skb_queue_purge(&fnic->tx_queue); 8145df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 8155df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* 8165df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * Log off the fabric. This stops all remote ports, dns port, 8175df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * logs off the fabric. This flushes all rport, disc, lport work 8185df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * before returning 8195df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar */ 8205df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fc_fabric_logoff(fnic->lport); 8215df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 8225df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar spin_lock_irqsave(&fnic->fnic_lock, flags); 8235df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic->in_remove = 1; 8245df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar spin_unlock_irqrestore(&fnic->fnic_lock, flags); 8255df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 82678112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt fcoe_ctlr_destroy(&fnic->ctlr); 82778112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt fc_lport_destroy(lp); 8285df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 8295df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* 8305df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * This stops the fnic device, masks all interrupts. Completed 8315df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * CQ entries are drained. Posted WQ/RQ/Copy-WQ entries are 8325df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar * cleaned up 8335df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar */ 8345df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_cleanup(fnic); 8355df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 8365df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar BUG_ON(!skb_queue_empty(&fnic->frame_queue)); 83778112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt BUG_ON(!skb_queue_empty(&fnic->tx_queue)); 8385df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 8395df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar spin_lock_irqsave(&fnic_list_lock, flags); 8405df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar list_del(&fnic->list); 8415df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar spin_unlock_irqrestore(&fnic_list_lock, flags); 8425df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 8435df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fc_remove_host(fnic->lport->host); 8445df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar scsi_remove_host(fnic->lport->host); 84552ff878c912215210f53c0a080552dd6ba3055a2Vasu Dev fc_exch_mgr_free(fnic->lport); 8465df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_dev_notify_unset(fnic->vdev); 8475df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_free_intr(fnic); 8482e76f7670b33a3b0bdf015ed1459e4b417a40ce0Abhijeet Joglekar fnic_free_vnic_resources(fnic); 8495df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_clear_intr_mode(fnic); 8505df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_dev_close(fnic->vdev); 8515df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar vnic_dev_unregister(fnic->vdev); 8525df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_iounmap(fnic); 8535df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar pci_release_regions(pdev); 8545df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar pci_disable_device(pdev); 8555df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar pci_set_drvdata(pdev, NULL); 85678112e5558064cb4d2e355aed87b2036fcdfe3ddJoe Eykholt scsi_host_put(lp->host); 8575df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 8585df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 8595df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic struct pci_driver fnic_driver = { 8605df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .name = DRV_NAME, 8615df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .id_table = fnic_id_table, 8625df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .probe = fnic_probe, 8635df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar .remove = __devexit_p(fnic_remove), 8645df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar}; 8655df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 8665df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic int __init fnic_init_module(void) 8675df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 8685df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar size_t len; 8695df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar int err = 0; 8705df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 8715df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar printk(KERN_INFO PFX "%s, ver %s\n", DRV_DESCRIPTION, DRV_VERSION); 8725df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 8735df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* Create a cache for allocation of default size sgls */ 8745df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar len = sizeof(struct fnic_dflt_sgl_list); 8755df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_sgl_cache[FNIC_SGL_CACHE_DFLT] = kmem_cache_create 8765df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar ("fnic_sgl_dflt", len + FNIC_SG_DESC_ALIGN, FNIC_SG_DESC_ALIGN, 8775df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA, 8785df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar NULL); 8795df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]) { 8805df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar printk(KERN_ERR PFX "failed to create fnic dflt sgl slab\n"); 8815df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = -ENOMEM; 8825df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_create_fnic_sgl_slab_dflt; 8835df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 8845df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 8855df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* Create a cache for allocation of max size sgls*/ 8865df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar len = sizeof(struct fnic_sgl_list); 8875df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_sgl_cache[FNIC_SGL_CACHE_MAX] = kmem_cache_create 8885df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar ("fnic_sgl_max", len + FNIC_SG_DESC_ALIGN, FNIC_SG_DESC_ALIGN, 8895df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA, 8905df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar NULL); 8915df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!fnic_sgl_cache[FNIC_SGL_CACHE_MAX]) { 8925df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar printk(KERN_ERR PFX "failed to create fnic max sgl slab\n"); 8935df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = -ENOMEM; 8945df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_create_fnic_sgl_slab_max; 8955df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 8965df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 8975df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* Create a cache of io_req structs for use via mempool */ 8985df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_io_req_cache = kmem_cache_create("fnic_io_req", 8995df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar sizeof(struct fnic_io_req), 9005df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 0, SLAB_HWCACHE_ALIGN, NULL); 9015df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!fnic_io_req_cache) { 9025df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar printk(KERN_ERR PFX "failed to create fnic io_req slab\n"); 9035df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = -ENOMEM; 9045df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_create_fnic_ioreq_slab; 9055df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 9065df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 9075df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_event_queue = create_singlethread_workqueue("fnic_event_wq"); 9085df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!fnic_event_queue) { 9095df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar printk(KERN_ERR PFX "fnic work queue create failed\n"); 9105df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = -ENOMEM; 9115df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_create_fnic_workq; 9125df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 9135df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 9145df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar spin_lock_init(&fnic_list_lock); 9155df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar INIT_LIST_HEAD(&fnic_list); 9165df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 9175df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fnic_fc_transport = fc_attach_transport(&fnic_fc_functions); 9185df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (!fnic_fc_transport) { 9195df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar printk(KERN_ERR PFX "fc_attach_transport error\n"); 9205df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = -ENOMEM; 9215df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_fc_transport; 9225df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 9235df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 9245df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar /* register the driver with PCI system */ 9255df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar err = pci_register_driver(&fnic_driver); 9265df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar if (err < 0) { 9275df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar printk(KERN_ERR PFX "pci register error\n"); 9285df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar goto err_pci_register; 9295df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar } 9305df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return err; 9315df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 9325df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarerr_pci_register: 9335df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fc_release_transport(fnic_fc_transport); 9345df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarerr_fc_transport: 9355df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar destroy_workqueue(fnic_event_queue); 9365df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarerr_create_fnic_workq: 9375df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar kmem_cache_destroy(fnic_io_req_cache); 9385df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarerr_create_fnic_ioreq_slab: 9395df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_MAX]); 9405df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarerr_create_fnic_sgl_slab_max: 9415df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]); 9425df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarerr_create_fnic_sgl_slab_dflt: 9435df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar return err; 9445df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 9455df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 9465df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarstatic void __exit fnic_cleanup_module(void) 9475df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar{ 9485df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar pci_unregister_driver(&fnic_driver); 9495df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar destroy_workqueue(fnic_event_queue); 9505df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_MAX]); 9515df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]); 9525df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar kmem_cache_destroy(fnic_io_req_cache); 9535df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar fc_release_transport(fnic_fc_transport); 9545df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar} 9555df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 9565df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarmodule_init(fnic_init_module); 9575df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekarmodule_exit(fnic_cleanup_module); 9585df6d737dd4b0fe9eccf943abb3677cfea05a6c4Abhijeet Joglekar 959