// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
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* Copyright (c) 2014- QLogic Corporation.
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* All rights reserved
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* www.qlogic.com
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*
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* Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
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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 <linux/kthread.h>
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#include <linux/errno.h>
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#include <linux/sched.h>
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#include <linux/init.h>
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#include <linux/fs.h>
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#include <linux/pci.h>
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#include <linux/firmware.h>
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#include <linux/uaccess.h>
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#include <asm/fcntl.h>
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#include "bfad_drv.h"
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#include "bfad_im.h"
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#include "bfa_fcs.h"
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#include "bfa_defs.h"
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#include "bfa.h"
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BFA_TRC_FILE(LDRV, BFAD);
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DEFINE_MUTEX(bfad_mutex);
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LIST_HEAD(bfad_list);
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static int bfad_inst;
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static int num_sgpgs_parm;
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int supported_fc4s;
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char *host_name, *os_name, *os_patch;
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int num_rports, num_ios, num_tms;
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int num_fcxps, num_ufbufs;
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int reqq_size, rspq_size, num_sgpgs;
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int rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT;
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int bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH;
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int bfa_io_max_sge = BFAD_IO_MAX_SGE;
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int bfa_log_level = 3; /* WARNING log level */
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int ioc_auto_recover = BFA_TRUE;
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int bfa_linkup_delay = -1;
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int fdmi_enable = BFA_TRUE;
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int pcie_max_read_reqsz;
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int bfa_debugfs_enable = 1;
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int msix_disable_cb = 0, msix_disable_ct = 0;
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int max_xfer_size = BFAD_MAX_SECTORS >> 1;
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static int max_rport_logins = BFA_FCS_MAX_RPORT_LOGINS;
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/* Firmware releated */
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u32 bfi_image_cb_size, bfi_image_ct_size, bfi_image_ct2_size;
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u32 *bfi_image_cb, *bfi_image_ct, *bfi_image_ct2;
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#define BFAD_FW_FILE_CB "cbfw-3.2.5.1.bin"
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#define BFAD_FW_FILE_CT "ctfw-3.2.5.1.bin"
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#define BFAD_FW_FILE_CT2 "ct2fw-3.2.5.1.bin"
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static u32 *bfad_load_fwimg(struct pci_dev *pdev);
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static void bfad_free_fwimg(void);
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static void bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
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u32 *bfi_image_size, char *fw_name);
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static const char *msix_name_ct[] = {
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"ctrl",
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"cpe0", "cpe1", "cpe2", "cpe3",
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"rme0", "rme1", "rme2", "rme3" };
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static const char *msix_name_cb[] = {
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"cpe0", "cpe1", "cpe2", "cpe3",
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"rme0", "rme1", "rme2", "rme3",
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"eemc", "elpu0", "elpu1", "epss", "mlpu" };
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MODULE_FIRMWARE(BFAD_FW_FILE_CB);
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MODULE_FIRMWARE(BFAD_FW_FILE_CT);
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MODULE_FIRMWARE(BFAD_FW_FILE_CT2);
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module_param(os_name, charp, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(os_name, "OS name of the hba host machine");
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module_param(os_patch, charp, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine");
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module_param(host_name, charp, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(host_name, "Hostname of the hba host machine");
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module_param(num_rports, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(num_rports, "Max number of rports supported per port "
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"(physical/logical), default=1024");
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module_param(num_ios, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000");
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module_param(num_tms, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128");
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module_param(num_fcxps, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64");
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module_param(num_ufbufs, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame "
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"buffers, default=64");
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module_param(reqq_size, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(reqq_size, "Max number of request queue elements, "
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"default=256");
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module_param(rspq_size, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(rspq_size, "Max number of response queue elements, "
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"default=64");
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module_param(num_sgpgs, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048");
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module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs, "
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"Range[>0]");
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module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32, Range[>0]");
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module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255");
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module_param(bfa_log_level, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(bfa_log_level, "Driver log level, default=3, "
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"Range[Critical:1|Error:2|Warning:3|Info:4]");
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module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1, "
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"Range[off:0|on:1]");
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module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for "
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"boot port. Otherwise 10 secs in RHEL4 & 0 for "
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"[RHEL5, SLES10, ESX40] Range[>0]");
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module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(msix_disable_cb, "Disable Message Signaled Interrupts for QLogic-415/425/815/825 cards, default=0 Range[false:0|true:1]");
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module_param(msix_disable_ct, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(msix_disable_ct, "Disable Message Signaled Interrupts if possible for QLogic-1010/1020/804/1007/902/1741 cards, default=0, Range[false:0|true:1]");
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module_param(fdmi_enable, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1, "
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"Range[false:0|true:1]");
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module_param(pcie_max_read_reqsz, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(pcie_max_read_reqsz, "PCIe max read request size, default=0 "
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"(use system setting), Range[128|256|512|1024|2048|4096]");
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module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1,"
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" Range[false:0|true:1]");
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module_param(max_xfer_size, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(max_xfer_size, "default=32MB,"
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" Range[64k|128k|256k|512k|1024k|2048k]");
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module_param(max_rport_logins, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(max_rport_logins, "Max number of logins to initiator and target rports on a port (physical/logical), default=1024");
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static void
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bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event);
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static void
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bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event);
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static void
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bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event);
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static void
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bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event);
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static void
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bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event);
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static void
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bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event);
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static void
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bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event);
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/*
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* Beginning state for the driver instance, awaiting the pci_probe event
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*/
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static void
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bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event)
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{
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bfa_trc(bfad, event);
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switch (event) {
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case BFAD_E_CREATE:
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bfa_sm_set_state(bfad, bfad_sm_created);
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bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad,
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"%s", "bfad_worker");
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if (IS_ERR(bfad->bfad_tsk)) {
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printk(KERN_INFO "bfad[%d]: Kernel thread "
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"creation failed!\n", bfad->inst_no);
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bfa_sm_send_event(bfad, BFAD_E_KTHREAD_CREATE_FAILED);
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}
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bfa_sm_send_event(bfad, BFAD_E_INIT);
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break;
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case BFAD_E_STOP:
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/* Ignore stop; already in uninit */
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break;
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default:
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bfa_sm_fault(bfad, event);
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}
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}
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/*
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* Driver Instance is created, awaiting event INIT to initialize the bfad
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*/
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static void
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bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event)
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{
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unsigned long flags;
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bfa_status_t ret;
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bfa_trc(bfad, event);
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switch (event) {
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case BFAD_E_INIT:
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bfa_sm_set_state(bfad, bfad_sm_initializing);
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init_completion(&bfad->comp);
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/* Enable Interrupt and wait bfa_init completion */
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if (bfad_setup_intr(bfad)) {
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printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n",
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bfad->inst_no);
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bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
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break;
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}
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spin_lock_irqsave(&bfad->bfad_lock, flags);
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bfa_iocfc_init(&bfad->bfa);
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spin_unlock_irqrestore(&bfad->bfad_lock, flags);
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/* Set up interrupt handler for each vectors */
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if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
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bfad_install_msix_handler(bfad)) {
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printk(KERN_WARNING "%s: install_msix failed, bfad%d\n",
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__func__, bfad->inst_no);
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}
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bfad_init_timer(bfad);
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wait_for_completion(&bfad->comp);
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if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
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bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
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} else {
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printk(KERN_WARNING
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"bfa %s: bfa init failed\n",
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bfad->pci_name);
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spin_lock_irqsave(&bfad->bfad_lock, flags);
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bfa_fcs_init(&bfad->bfa_fcs);
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spin_unlock_irqrestore(&bfad->bfad_lock, flags);
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ret = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
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if (ret != BFA_STATUS_OK) {
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init_completion(&bfad->comp);
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spin_lock_irqsave(&bfad->bfad_lock, flags);
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bfad->pport.flags |= BFAD_PORT_DELETE;
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bfa_fcs_exit(&bfad->bfa_fcs);
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spin_unlock_irqrestore(&bfad->bfad_lock, flags);
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wait_for_completion(&bfad->comp);
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bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
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break;
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}
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bfad->bfad_flags |= BFAD_HAL_INIT_FAIL;
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bfa_sm_send_event(bfad, BFAD_E_HAL_INIT_FAILED);
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}
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break;
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case BFAD_E_KTHREAD_CREATE_FAILED:
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bfa_sm_set_state(bfad, bfad_sm_uninit);
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break;
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default:
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bfa_sm_fault(bfad, event);
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}
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}
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static void
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bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event)
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{
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int retval;
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unsigned long flags;
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bfa_trc(bfad, event);
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switch (event) {
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case BFAD_E_INIT_SUCCESS:
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kthread_stop(bfad->bfad_tsk);
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spin_lock_irqsave(&bfad->bfad_lock, flags);
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bfad->bfad_tsk = NULL;
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spin_unlock_irqrestore(&bfad->bfad_lock, flags);
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retval = bfad_start_ops(bfad);
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if (retval != BFA_STATUS_OK) {
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bfa_sm_set_state(bfad, bfad_sm_failed);
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break;
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}
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bfa_sm_set_state(bfad, bfad_sm_operational);
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break;
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case BFAD_E_INIT_FAILED:
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bfa_sm_set_state(bfad, bfad_sm_uninit);
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kthread_stop(bfad->bfad_tsk);
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spin_lock_irqsave(&bfad->bfad_lock, flags);
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bfad->bfad_tsk = NULL;
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spin_unlock_irqrestore(&bfad->bfad_lock, flags);
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break;
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case BFAD_E_HAL_INIT_FAILED:
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bfa_sm_set_state(bfad, bfad_sm_failed);
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break;
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default:
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bfa_sm_fault(bfad, event);
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}
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}
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static void
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bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event)
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{
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int retval;
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bfa_trc(bfad, event);
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switch (event) {
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case BFAD_E_INIT_SUCCESS:
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retval = bfad_start_ops(bfad);
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if (retval != BFA_STATUS_OK)
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break;
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bfa_sm_set_state(bfad, bfad_sm_operational);
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break;
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case BFAD_E_STOP:
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bfa_sm_set_state(bfad, bfad_sm_fcs_exit);
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bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
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break;
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case BFAD_E_EXIT_COMP:
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bfa_sm_set_state(bfad, bfad_sm_uninit);
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bfad_remove_intr(bfad);
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del_timer_sync(&bfad->hal_tmo);
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break;
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default:
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bfa_sm_fault(bfad, event);
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}
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}
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static void
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bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event)
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{
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bfa_trc(bfad, event);
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switch (event) {
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case BFAD_E_STOP:
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bfa_sm_set_state(bfad, bfad_sm_fcs_exit);
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bfad_fcs_stop(bfad);
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break;
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default:
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bfa_sm_fault(bfad, event);
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}
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}
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static void
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bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event)
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{
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bfa_trc(bfad, event);
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switch (event) {
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case BFAD_E_FCS_EXIT_COMP:
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bfa_sm_set_state(bfad, bfad_sm_stopping);
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bfad_stop(bfad);
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break;
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default:
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bfa_sm_fault(bfad, event);
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}
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}
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static void
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bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event)
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{
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bfa_trc(bfad, event);
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switch (event) {
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case BFAD_E_EXIT_COMP:
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bfa_sm_set_state(bfad, bfad_sm_uninit);
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bfad_remove_intr(bfad);
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del_timer_sync(&bfad->hal_tmo);
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bfad_im_probe_undo(bfad);
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bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE;
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bfad_uncfg_pport(bfad);
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break;
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default:
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bfa_sm_fault(bfad, event);
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break;
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}
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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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* bfa_init callback
|
*/
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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;
|
|
if (init_status == BFA_STATUS_OK) {
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bfad->bfad_flags |= BFAD_HAL_INIT_DONE;
|
|
/*
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* If BFAD_HAL_INIT_FAIL flag is set:
|
* Wake up the kernel thread to start
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* the bfad operations after HAL init done
|
*/
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if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) {
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bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL;
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wake_up_process(bfad->bfad_tsk);
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}
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}
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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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struct bfad_port_s *
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bfa_fcb_lport_new(struct bfad_s *bfad, struct bfa_fcs_lport_s *port,
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enum bfa_lport_role roles, struct bfad_vf_s *vf_drv,
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struct bfad_vport_s *vp_drv)
|
{
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bfa_status_t rc;
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struct bfad_port_s *port_drv;
|
|
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;
|
} else {
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port_drv = &vp_drv->drv_port;
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port_drv->pvb_type = BFAD_PORT_VF_VPORT;
|
}
|
|
port_drv->fcs_port = port;
|
port_drv->roles = roles;
|
|
if (roles & BFA_LPORT_ROLE_FCP_IM) {
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rc = bfad_im_port_new(bfad, port_drv);
|
if (rc != BFA_STATUS_OK) {
|
bfad_im_port_delete(bfad, port_drv);
|
port_drv = NULL;
|
}
|
}
|
|
return port_drv;
|
}
|
|
/*
|
* FCS RPORT alloc callback, after successful PLOGI by FCS
|
*/
|
bfa_status_t
|
bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport,
|
struct bfad_rport_s **rport_drv)
|
{
|
bfa_status_t rc = BFA_STATUS_OK;
|
|
*rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC);
|
if (*rport_drv == NULL) {
|
rc = BFA_STATUS_ENOMEM;
|
goto ext;
|
}
|
|
*rport = &(*rport_drv)->fcs_rport;
|
|
ext:
|
return rc;
|
}
|
|
/*
|
* FCS PBC VPORT Create
|
*/
|
void
|
bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport)
|
{
|
|
struct bfa_lport_cfg_s port_cfg = {0};
|
struct bfad_vport_s *vport;
|
int rc;
|
|
vport = kzalloc(sizeof(struct bfad_vport_s), GFP_ATOMIC);
|
if (!vport) {
|
bfa_trc(bfad, 0);
|
return;
|
}
|
|
vport->drv_port.bfad = bfad;
|
port_cfg.roles = BFA_LPORT_ROLE_FCP_IM;
|
port_cfg.pwwn = pbc_vport.vp_pwwn;
|
port_cfg.nwwn = pbc_vport.vp_nwwn;
|
port_cfg.preboot_vp = BFA_TRUE;
|
|
rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, 0,
|
&port_cfg, vport);
|
|
if (rc != BFA_STATUS_OK) {
|
bfa_trc(bfad, 0);
|
return;
|
}
|
|
list_add_tail(&vport->list_entry, &bfad->pbc_vport_list);
|
}
|
|
void
|
bfad_hal_mem_release(struct bfad_s *bfad)
|
{
|
struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
|
struct bfa_mem_dma_s *dma_info, *dma_elem;
|
struct bfa_mem_kva_s *kva_info, *kva_elem;
|
struct list_head *dm_qe, *km_qe;
|
|
dma_info = &hal_meminfo->dma_info;
|
kva_info = &hal_meminfo->kva_info;
|
|
/* Iterate through the KVA meminfo queue */
|
list_for_each(km_qe, &kva_info->qe) {
|
kva_elem = (struct bfa_mem_kva_s *) km_qe;
|
vfree(kva_elem->kva);
|
}
|
|
/* Iterate through the DMA meminfo queue */
|
list_for_each(dm_qe, &dma_info->qe) {
|
dma_elem = (struct bfa_mem_dma_s *) dm_qe;
|
dma_free_coherent(&bfad->pcidev->dev,
|
dma_elem->mem_len, dma_elem->kva,
|
(dma_addr_t) dma_elem->dma);
|
}
|
|
memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s));
|
}
|
|
void
|
bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg)
|
{
|
if (num_rports > 0)
|
bfa_cfg->fwcfg.num_rports = num_rports;
|
if (num_ios > 0)
|
bfa_cfg->fwcfg.num_ioim_reqs = num_ios;
|
if (num_tms > 0)
|
bfa_cfg->fwcfg.num_tskim_reqs = num_tms;
|
if (num_fcxps > 0 && num_fcxps <= BFA_FCXP_MAX)
|
bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps;
|
if (num_ufbufs > 0 && num_ufbufs <= BFA_UF_MAX)
|
bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs;
|
if (reqq_size > 0)
|
bfa_cfg->drvcfg.num_reqq_elems = reqq_size;
|
if (rspq_size > 0)
|
bfa_cfg->drvcfg.num_rspq_elems = rspq_size;
|
if (num_sgpgs > 0 && num_sgpgs <= BFA_SGPG_MAX)
|
bfa_cfg->drvcfg.num_sgpgs = num_sgpgs;
|
|
/*
|
* populate the hal values back to the driver for sysfs use.
|
* otherwise, the default values will be shown as 0 in sysfs
|
*/
|
num_rports = bfa_cfg->fwcfg.num_rports;
|
num_ios = bfa_cfg->fwcfg.num_ioim_reqs;
|
num_tms = bfa_cfg->fwcfg.num_tskim_reqs;
|
num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs;
|
num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs;
|
reqq_size = bfa_cfg->drvcfg.num_reqq_elems;
|
rspq_size = bfa_cfg->drvcfg.num_rspq_elems;
|
num_sgpgs = bfa_cfg->drvcfg.num_sgpgs;
|
}
|
|
bfa_status_t
|
bfad_hal_mem_alloc(struct bfad_s *bfad)
|
{
|
struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
|
struct bfa_mem_dma_s *dma_info, *dma_elem;
|
struct bfa_mem_kva_s *kva_info, *kva_elem;
|
struct list_head *dm_qe, *km_qe;
|
bfa_status_t rc = BFA_STATUS_OK;
|
dma_addr_t phys_addr;
|
|
bfa_cfg_get_default(&bfad->ioc_cfg);
|
bfad_update_hal_cfg(&bfad->ioc_cfg);
|
bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs;
|
bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo, &bfad->bfa);
|
|
dma_info = &hal_meminfo->dma_info;
|
kva_info = &hal_meminfo->kva_info;
|
|
/* Iterate through the KVA meminfo queue */
|
list_for_each(km_qe, &kva_info->qe) {
|
kva_elem = (struct bfa_mem_kva_s *) km_qe;
|
kva_elem->kva = vzalloc(kva_elem->mem_len);
|
if (kva_elem->kva == NULL) {
|
bfad_hal_mem_release(bfad);
|
rc = BFA_STATUS_ENOMEM;
|
goto ext;
|
}
|
}
|
|
/* Iterate through the DMA meminfo queue */
|
list_for_each(dm_qe, &dma_info->qe) {
|
dma_elem = (struct bfa_mem_dma_s *) dm_qe;
|
dma_elem->kva = dma_alloc_coherent(&bfad->pcidev->dev,
|
dma_elem->mem_len,
|
&phys_addr, GFP_KERNEL);
|
if (dma_elem->kva == NULL) {
|
bfad_hal_mem_release(bfad);
|
rc = BFA_STATUS_ENOMEM;
|
goto ext;
|
}
|
dma_elem->dma = phys_addr;
|
memset(dma_elem->kva, 0, dma_elem->mem_len);
|
}
|
ext:
|
return rc;
|
}
|
|
/*
|
* Create a vport under a vf.
|
*/
|
bfa_status_t
|
bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
|
struct bfa_lport_cfg_s *port_cfg, struct device *dev)
|
{
|
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_LPORT_ROLE_FCP_IM) {
|
rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port,
|
dev);
|
if (rc != BFA_STATUS_OK)
|
goto ext_free_fcs_vport;
|
}
|
|
spin_lock_irqsave(&bfad->bfad_lock, flags);
|
bfa_fcs_vport_start(&vport->fcs_vport);
|
list_add_tail(&vport->list_entry, &bfad->vport_list);
|
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;
|
}
|
|
void
|
bfad_bfa_tmo(struct timer_list *t)
|
{
|
struct bfad_s *bfad = from_timer(bfad, t, hal_tmo);
|
unsigned long flags;
|
struct list_head doneq;
|
|
spin_lock_irqsave(&bfad->bfad_lock, flags);
|
|
bfa_timer_beat(&bfad->bfa.timer_mod);
|
|
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)
|
{
|
timer_setup(&bfad->hal_tmo, bfad_bfa_tmo, 0);
|
|
mod_timer(&bfad->hal_tmo,
|
jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
|
}
|
|
int
|
bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad)
|
{
|
int rc = -ENODEV;
|
|
if (pci_enable_device(pdev)) {
|
printk(KERN_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);
|
|
rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
|
if (rc)
|
rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
|
|
if (rc) {
|
rc = -ENODEV;
|
printk(KERN_ERR "dma_set_mask_and_coherent fail %p\n", pdev);
|
goto out_release_region;
|
}
|
|
/* Enable PCIE Advanced Error Recovery (AER) if kernel supports */
|
pci_enable_pcie_error_reporting(pdev);
|
|
bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
|
bfad->pci_bar2_kva = pci_iomap(pdev, 2, pci_resource_len(pdev, 2));
|
|
if (bfad->pci_bar0_kva == NULL) {
|
printk(KERN_ERR "Fail to map bar0\n");
|
rc = -ENODEV;
|
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->hal_pcidev.ssid = pdev->subsystem_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;
|
|
/* Adjust PCIe Maximum Read Request Size */
|
if (pci_is_pcie(pdev) && pcie_max_read_reqsz) {
|
if (pcie_max_read_reqsz >= 128 &&
|
pcie_max_read_reqsz <= 4096 &&
|
is_power_of_2(pcie_max_read_reqsz)) {
|
int max_rq = pcie_get_readrq(pdev);
|
printk(KERN_WARNING "BFA[%s]: "
|
"pcie_max_read_request_size is %d, "
|
"reset to %d\n", bfad->pci_name, max_rq,
|
pcie_max_read_reqsz);
|
pcie_set_readrq(pdev, pcie_max_read_reqsz);
|
} else {
|
printk(KERN_WARNING "BFA[%s]: invalid "
|
"pcie_max_read_request_size %d ignored\n",
|
bfad->pci_name, pcie_max_read_reqsz);
|
}
|
}
|
|
pci_save_state(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)
|
{
|
pci_iounmap(pdev, bfad->pci_bar0_kva);
|
pci_iounmap(pdev, bfad->pci_bar2_kva);
|
pci_release_regions(pdev);
|
/* Disable PCIE Advanced Error Recovery (AER) */
|
pci_disable_pcie_error_reporting(pdev);
|
pci_disable_device(pdev);
|
}
|
|
bfa_status_t
|
bfad_drv_init(struct bfad_s *bfad)
|
{
|
bfa_status_t rc;
|
unsigned long flags;
|
|
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 QLogic BR-series HBA ports. System may need more memory.\n");
|
return BFA_STATUS_FAILED;
|
}
|
|
bfad->bfa.trcmod = bfad->trcmod;
|
bfad->bfa.plog = &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);
|
|
/* FCS INIT */
|
spin_lock_irqsave(&bfad->bfad_lock, flags);
|
bfad->bfa_fcs.trcmod = bfad->trcmod;
|
bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
|
bfad->bfa_fcs.fdmi_enabled = fdmi_enable;
|
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
|
|
bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
|
|
return BFA_STATUS_OK;
|
}
|
|
void
|
bfad_drv_uninit(struct bfad_s *bfad)
|
{
|
unsigned long flags;
|
|
spin_lock_irqsave(&bfad->bfad_lock, flags);
|
init_completion(&bfad->comp);
|
bfa_iocfc_stop(&bfad->bfa);
|
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
|
wait_for_completion(&bfad->comp);
|
|
del_timer_sync(&bfad->hal_tmo);
|
bfa_isr_disable(&bfad->bfa);
|
bfa_detach(&bfad->bfa);
|
bfad_remove_intr(bfad);
|
bfad_hal_mem_release(bfad);
|
|
bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE;
|
}
|
|
void
|
bfad_drv_start(struct bfad_s *bfad)
|
{
|
unsigned long flags;
|
|
spin_lock_irqsave(&bfad->bfad_lock, flags);
|
bfa_iocfc_start(&bfad->bfa);
|
bfa_fcs_pbc_vport_init(&bfad->bfa_fcs);
|
bfa_fcs_fabric_modstart(&bfad->bfa_fcs);
|
bfad->bfad_flags |= BFAD_HAL_START_DONE;
|
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
|
|
if (bfad->im)
|
flush_workqueue(bfad->im->drv_workq);
|
}
|
|
void
|
bfad_fcs_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);
|
|
bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
|
}
|
|
void
|
bfad_stop(struct bfad_s *bfad)
|
{
|
unsigned long flags;
|
|
spin_lock_irqsave(&bfad->bfad_lock, flags);
|
init_completion(&bfad->comp);
|
bfa_iocfc_stop(&bfad->bfa);
|
bfad->bfad_flags &= ~BFAD_HAL_START_DONE;
|
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
|
wait_for_completion(&bfad->comp);
|
|
bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP);
|
}
|
|
bfa_status_t
|
bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role)
|
{
|
int rc = BFA_STATUS_OK;
|
|
/* Allocate scsi_host for the physical port */
|
if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
|
(role & BFA_LPORT_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,
|
&bfad->pcidev->dev);
|
if (rc != BFA_STATUS_OK)
|
goto out;
|
|
bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM;
|
}
|
|
bfad->bfad_flags |= BFAD_CFG_PPORT_DONE;
|
|
out:
|
return rc;
|
}
|
|
void
|
bfad_uncfg_pport(struct bfad_s *bfad)
|
{
|
if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
|
(bfad->pport.roles & BFA_LPORT_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_LPORT_ROLE_FCP_IM;
|
}
|
|
bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE;
|
}
|
|
bfa_status_t
|
bfad_start_ops(struct bfad_s *bfad) {
|
|
int retval;
|
unsigned long flags;
|
struct bfad_vport_s *vport, *vport_new;
|
struct bfa_fcs_driver_info_s driver_info;
|
|
/* Limit min/max. xfer size to [64k-32MB] */
|
if (max_xfer_size < BFAD_MIN_SECTORS >> 1)
|
max_xfer_size = BFAD_MIN_SECTORS >> 1;
|
if (max_xfer_size > BFAD_MAX_SECTORS >> 1)
|
max_xfer_size = BFAD_MAX_SECTORS >> 1;
|
|
/* Fill the driver_info info to fcs*/
|
memset(&driver_info, 0, sizeof(driver_info));
|
strlcpy(driver_info.version, BFAD_DRIVER_VERSION,
|
sizeof(driver_info.version));
|
if (host_name)
|
strlcpy(driver_info.host_machine_name, host_name,
|
sizeof(driver_info.host_machine_name));
|
if (os_name)
|
strlcpy(driver_info.host_os_name, os_name,
|
sizeof(driver_info.host_os_name));
|
if (os_patch)
|
strlcpy(driver_info.host_os_patch, os_patch,
|
sizeof(driver_info.host_os_patch));
|
|
strlcpy(driver_info.os_device_name, bfad->pci_name,
|
sizeof(driver_info.os_device_name));
|
|
/* FCS driver info init */
|
spin_lock_irqsave(&bfad->bfad_lock, flags);
|
bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
|
|
if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE)
|
bfa_fcs_update_cfg(&bfad->bfa_fcs);
|
else
|
bfa_fcs_init(&bfad->bfa_fcs);
|
|
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
|
|
if (!(bfad->bfad_flags & BFAD_CFG_PPORT_DONE)) {
|
retval = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
|
if (retval != BFA_STATUS_OK)
|
return BFA_STATUS_FAILED;
|
}
|
|
/* Setup fc host fixed attribute if the lk supports */
|
bfad_fc_host_init(bfad->pport.im_port);
|
|
/* BFAD level FC4 IM specific resource allocation */
|
retval = bfad_im_probe(bfad);
|
if (retval != BFA_STATUS_OK) {
|
printk(KERN_WARNING "bfad_im_probe failed\n");
|
if (bfa_sm_cmp_state(bfad, bfad_sm_initializing))
|
bfa_sm_set_state(bfad, bfad_sm_failed);
|
return BFA_STATUS_FAILED;
|
} else
|
bfad->bfad_flags |= BFAD_FC4_PROBE_DONE;
|
|
bfad_drv_start(bfad);
|
|
/* Complete pbc vport create */
|
list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list,
|
list_entry) {
|
struct fc_vport_identifiers vid;
|
struct fc_vport *fc_vport;
|
char pwwn_buf[BFA_STRING_32];
|
|
memset(&vid, 0, sizeof(vid));
|
vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
|
vid.vport_type = FC_PORTTYPE_NPIV;
|
vid.disable = false;
|
vid.node_name = wwn_to_u64((u8 *)
|
(&((vport->fcs_vport).lport.port_cfg.nwwn)));
|
vid.port_name = wwn_to_u64((u8 *)
|
(&((vport->fcs_vport).lport.port_cfg.pwwn)));
|
fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid);
|
if (!fc_vport) {
|
wwn2str(pwwn_buf, vid.port_name);
|
printk(KERN_WARNING "bfad%d: failed to create pbc vport"
|
" %s\n", bfad->inst_no, pwwn_buf);
|
}
|
list_del(&vport->list_entry);
|
kfree(vport);
|
}
|
|
/*
|
* If bfa_linkup_delay is set to -1 default; try to retrive the
|
* value using the bfad_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_get_linkup_delay(bfad);
|
bfad_rport_online_wait(bfad);
|
bfa_linkup_delay = -1;
|
} else
|
bfad_rport_online_wait(bfad);
|
|
BFA_LOG(KERN_INFO, bfad, bfa_log_level, "bfa device claimed\n");
|
|
return BFA_STATUS_OK;
|
}
|
|
int
|
bfad_worker(void *ptr)
|
{
|
struct bfad_s *bfad = ptr;
|
unsigned long flags;
|
|
if (kthread_should_stop())
|
return 0;
|
|
/* Send event BFAD_E_INIT_SUCCESS */
|
bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
|
|
spin_lock_irqsave(&bfad->bfad_lock, flags);
|
bfad->bfad_tsk = NULL;
|
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
|
|
return 0;
|
}
|
|
/*
|
* BFA driver interrupt functions
|
*/
|
irqreturn_t
|
bfad_intx(int irq, void *dev_id)
|
{
|
struct bfad_s *bfad = dev_id;
|
struct list_head doneq;
|
unsigned long flags;
|
bfa_boolean_t rc;
|
|
spin_lock_irqsave(&bfad->bfad_lock, flags);
|
rc = bfa_intx(&bfad->bfa);
|
if (!rc) {
|
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
|
return IRQ_NONE;
|
}
|
|
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);
|
}
|
|
return IRQ_HANDLED;
|
|
}
|
|
static irqreturn_t
|
bfad_msix(int irq, void *dev_id)
|
{
|
struct bfad_msix_s *vec = dev_id;
|
struct bfad_s *bfad = vec->bfad;
|
struct list_head doneq;
|
unsigned long flags;
|
|
spin_lock_irqsave(&bfad->bfad_lock, flags);
|
|
bfa_msix(&bfad->bfa, vec->msix.entry);
|
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);
|
}
|
|
return IRQ_HANDLED;
|
}
|
|
/*
|
* Initialize the MSIX entry table.
|
*/
|
static void
|
bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries,
|
int mask, int max_bit)
|
{
|
int i;
|
int match = 0x00000001;
|
|
for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) {
|
if (mask & match) {
|
bfad->msix_tab[bfad->nvec].msix.entry = i;
|
bfad->msix_tab[bfad->nvec].bfad = bfad;
|
msix_entries[bfad->nvec].entry = i;
|
bfad->nvec++;
|
}
|
|
match <<= 1;
|
}
|
|
}
|
|
int
|
bfad_install_msix_handler(struct bfad_s *bfad)
|
{
|
int i, error = 0;
|
|
for (i = 0; i < bfad->nvec; i++) {
|
sprintf(bfad->msix_tab[i].name, "bfa-%s-%s",
|
bfad->pci_name,
|
((bfa_asic_id_cb(bfad->hal_pcidev.device_id)) ?
|
msix_name_cb[i] : msix_name_ct[i]));
|
|
error = request_irq(bfad->msix_tab[i].msix.vector,
|
(irq_handler_t) bfad_msix, 0,
|
bfad->msix_tab[i].name, &bfad->msix_tab[i]);
|
bfa_trc(bfad, i);
|
bfa_trc(bfad, bfad->msix_tab[i].msix.vector);
|
if (error) {
|
int j;
|
|
for (j = 0; j < i; j++)
|
free_irq(bfad->msix_tab[j].msix.vector,
|
&bfad->msix_tab[j]);
|
|
bfad->bfad_flags &= ~BFAD_MSIX_ON;
|
pci_disable_msix(bfad->pcidev);
|
|
return 1;
|
}
|
}
|
|
return 0;
|
}
|
|
/*
|
* Setup MSIX based interrupt.
|
*/
|
int
|
bfad_setup_intr(struct bfad_s *bfad)
|
{
|
int error;
|
u32 mask = 0, i, num_bit = 0, max_bit = 0;
|
struct msix_entry msix_entries[MAX_MSIX_ENTRY];
|
struct pci_dev *pdev = bfad->pcidev;
|
u16 reg;
|
|
/* Call BFA to get the msix map for this PCI function. */
|
bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit);
|
|
/* Set up the msix entry table */
|
bfad_init_msix_entry(bfad, msix_entries, mask, max_bit);
|
|
if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) ||
|
(bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) {
|
|
error = pci_enable_msix_exact(bfad->pcidev,
|
msix_entries, bfad->nvec);
|
/* In CT1 & CT2, try to allocate just one vector */
|
if (error == -ENOSPC && bfa_asic_id_ctc(pdev->device)) {
|
printk(KERN_WARNING "bfa %s: trying one msix "
|
"vector failed to allocate %d[%d]\n",
|
bfad->pci_name, bfad->nvec, error);
|
bfad->nvec = 1;
|
error = pci_enable_msix_exact(bfad->pcidev,
|
msix_entries, 1);
|
}
|
|
if (error) {
|
printk(KERN_WARNING "bfad%d: "
|
"pci_enable_msix_exact failed (%d), "
|
"use line based.\n",
|
bfad->inst_no, error);
|
goto line_based;
|
}
|
|
/* Disable INTX in MSI-X mode */
|
pci_read_config_word(pdev, PCI_COMMAND, ®);
|
|
if (!(reg & PCI_COMMAND_INTX_DISABLE))
|
pci_write_config_word(pdev, PCI_COMMAND,
|
reg | PCI_COMMAND_INTX_DISABLE);
|
|
/* Save the vectors */
|
for (i = 0; i < bfad->nvec; i++) {
|
bfa_trc(bfad, msix_entries[i].vector);
|
bfad->msix_tab[i].msix.vector = msix_entries[i].vector;
|
}
|
|
bfa_msix_init(&bfad->bfa, bfad->nvec);
|
|
bfad->bfad_flags |= BFAD_MSIX_ON;
|
|
return 0;
|
}
|
|
line_based:
|
error = request_irq(bfad->pcidev->irq, (irq_handler_t)bfad_intx,
|
BFAD_IRQ_FLAGS, BFAD_DRIVER_NAME, bfad);
|
if (error)
|
return error;
|
|
bfad->bfad_flags |= BFAD_INTX_ON;
|
|
return 0;
|
}
|
|
void
|
bfad_remove_intr(struct bfad_s *bfad)
|
{
|
int i;
|
|
if (bfad->bfad_flags & BFAD_MSIX_ON) {
|
for (i = 0; i < bfad->nvec; i++)
|
free_irq(bfad->msix_tab[i].msix.vector,
|
&bfad->msix_tab[i]);
|
|
pci_disable_msix(bfad->pcidev);
|
bfad->bfad_flags &= ~BFAD_MSIX_ON;
|
} else if (bfad->bfad_flags & BFAD_INTX_ON) {
|
free_irq(bfad->pcidev->irq, bfad);
|
}
|
}
|
|
/*
|
* 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, i;
|
|
/* For single port cards - only claim function 0 */
|
if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) &&
|
(PCI_FUNC(pdev->devfn) != 0))
|
return -ENODEV;
|
|
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;
|
}
|
|
/* TRACE INIT */
|
bfa_trc_init(bfad->trcmod);
|
bfa_trc(bfad, bfad_inst);
|
|
/* AEN INIT */
|
INIT_LIST_HEAD(&bfad->free_aen_q);
|
INIT_LIST_HEAD(&bfad->active_aen_q);
|
for (i = 0; i < BFA_AEN_MAX_ENTRY; i++)
|
list_add_tail(&bfad->aen_list[i].qe, &bfad->free_aen_q);
|
|
if (!(bfad_load_fwimg(pdev))) {
|
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);
|
|
/* Initializing the state machine: State set to uninit */
|
bfa_sm_set_state(bfad, bfad_sm_uninit);
|
|
spin_lock_init(&bfad->bfad_lock);
|
spin_lock_init(&bfad->bfad_aen_spinlock);
|
|
pci_set_drvdata(pdev, bfad);
|
|
bfad->ref_count = 0;
|
bfad->pport.bfad = bfad;
|
INIT_LIST_HEAD(&bfad->pbc_vport_list);
|
INIT_LIST_HEAD(&bfad->vport_list);
|
|
/* Setup the debugfs node for this bfad */
|
if (bfa_debugfs_enable)
|
bfad_debugfs_init(&bfad->pport);
|
|
retval = bfad_drv_init(bfad);
|
if (retval != BFA_STATUS_OK)
|
goto out_drv_init_failure;
|
|
bfa_sm_send_event(bfad, BFAD_E_CREATE);
|
|
if (bfa_sm_cmp_state(bfad, bfad_sm_uninit))
|
goto out_bfad_sm_failure;
|
|
return 0;
|
|
out_bfad_sm_failure:
|
bfad_hal_mem_release(bfad);
|
out_drv_init_failure:
|
/* Remove the debugfs node for this bfad */
|
kfree(bfad->regdata);
|
bfad_debugfs_exit(&bfad->pport);
|
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);
|
|
spin_lock_irqsave(&bfad->bfad_lock, flags);
|
if (bfad->bfad_tsk != NULL) {
|
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
|
kthread_stop(bfad->bfad_tsk);
|
} else {
|
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
|
}
|
|
/* Send Event BFAD_E_STOP */
|
bfa_sm_send_event(bfad, BFAD_E_STOP);
|
|
/* Driver detach and dealloc mem */
|
spin_lock_irqsave(&bfad->bfad_lock, flags);
|
bfa_detach(&bfad->bfa);
|
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
|
bfad_hal_mem_release(bfad);
|
|
/* Remove the debugfs node for this bfad */
|
kfree(bfad->regdata);
|
bfad_debugfs_exit(&bfad->pport);
|
|
/* Cleaning the BFAD instance */
|
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);
|
}
|
|
/*
|
* PCI Error Recovery entry, error detected.
|
*/
|
static pci_ers_result_t
|
bfad_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
|
{
|
struct bfad_s *bfad = pci_get_drvdata(pdev);
|
unsigned long flags;
|
pci_ers_result_t ret = PCI_ERS_RESULT_NONE;
|
|
dev_printk(KERN_ERR, &pdev->dev,
|
"error detected state: %d - flags: 0x%x\n",
|
state, bfad->bfad_flags);
|
|
switch (state) {
|
case pci_channel_io_normal: /* non-fatal error */
|
spin_lock_irqsave(&bfad->bfad_lock, flags);
|
bfad->bfad_flags &= ~BFAD_EEH_BUSY;
|
/* Suspend/fail all bfa operations */
|
bfa_ioc_suspend(&bfad->bfa.ioc);
|
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
|
del_timer_sync(&bfad->hal_tmo);
|
ret = PCI_ERS_RESULT_CAN_RECOVER;
|
break;
|
case pci_channel_io_frozen: /* fatal error */
|
init_completion(&bfad->comp);
|
spin_lock_irqsave(&bfad->bfad_lock, flags);
|
bfad->bfad_flags |= BFAD_EEH_BUSY;
|
/* Suspend/fail all bfa operations */
|
bfa_ioc_suspend(&bfad->bfa.ioc);
|
bfa_fcs_stop(&bfad->bfa_fcs);
|
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
|
wait_for_completion(&bfad->comp);
|
|
bfad_remove_intr(bfad);
|
del_timer_sync(&bfad->hal_tmo);
|
pci_disable_device(pdev);
|
ret = PCI_ERS_RESULT_NEED_RESET;
|
break;
|
case pci_channel_io_perm_failure: /* PCI Card is DEAD */
|
spin_lock_irqsave(&bfad->bfad_lock, flags);
|
bfad->bfad_flags |= BFAD_EEH_BUSY |
|
BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE;
|
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
|
|
/* If the error_detected handler is called with the reason
|
* pci_channel_io_perm_failure - it will subsequently call
|
* pci_remove() entry point to remove the pci device from the
|
* system - So defer the cleanup to pci_remove(); cleaning up
|
* here causes inconsistent state during pci_remove().
|
*/
|
ret = PCI_ERS_RESULT_DISCONNECT;
|
break;
|
default:
|
WARN_ON(1);
|
}
|
|
return ret;
|
}
|
|
static int restart_bfa(struct bfad_s *bfad)
|
{
|
unsigned long flags;
|
struct pci_dev *pdev = bfad->pcidev;
|
|
bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg,
|
&bfad->meminfo, &bfad->hal_pcidev);
|
|
/* Enable Interrupt and wait bfa_init completion */
|
if (bfad_setup_intr(bfad)) {
|
dev_printk(KERN_WARNING, &pdev->dev,
|
"%s: bfad_setup_intr failed\n", bfad->pci_name);
|
bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
|
return -1;
|
}
|
|
init_completion(&bfad->comp);
|
spin_lock_irqsave(&bfad->bfad_lock, flags);
|
bfa_iocfc_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))
|
dev_printk(KERN_WARNING, &pdev->dev,
|
"%s: install_msix failed.\n", bfad->pci_name);
|
|
bfad_init_timer(bfad);
|
wait_for_completion(&bfad->comp);
|
bfad_drv_start(bfad);
|
|
return 0;
|
}
|
|
/*
|
* PCI Error Recovery entry, re-initialize the chip.
|
*/
|
static pci_ers_result_t
|
bfad_pci_slot_reset(struct pci_dev *pdev)
|
{
|
struct bfad_s *bfad = pci_get_drvdata(pdev);
|
u8 byte;
|
int rc;
|
|
dev_printk(KERN_ERR, &pdev->dev,
|
"bfad_pci_slot_reset flags: 0x%x\n", bfad->bfad_flags);
|
|
if (pci_enable_device(pdev)) {
|
dev_printk(KERN_ERR, &pdev->dev, "Cannot re-enable "
|
"PCI device after reset.\n");
|
return PCI_ERS_RESULT_DISCONNECT;
|
}
|
|
pci_restore_state(pdev);
|
|
/*
|
* Read some byte (e.g. DMA max. payload size which can't
|
* be 0xff any time) to make sure - we did not hit another PCI error
|
* in the middle of recovery. If we did, then declare permanent failure.
|
*/
|
pci_read_config_byte(pdev, 0x68, &byte);
|
if (byte == 0xff) {
|
dev_printk(KERN_ERR, &pdev->dev,
|
"slot_reset failed ... got another PCI error !\n");
|
goto out_disable_device;
|
}
|
|
pci_save_state(pdev);
|
pci_set_master(pdev);
|
|
rc = dma_set_mask_and_coherent(&bfad->pcidev->dev, DMA_BIT_MASK(64));
|
if (rc)
|
rc = dma_set_mask_and_coherent(&bfad->pcidev->dev,
|
DMA_BIT_MASK(32));
|
if (rc)
|
goto out_disable_device;
|
|
if (restart_bfa(bfad) == -1)
|
goto out_disable_device;
|
|
pci_enable_pcie_error_reporting(pdev);
|
dev_printk(KERN_WARNING, &pdev->dev,
|
"slot_reset completed flags: 0x%x!\n", bfad->bfad_flags);
|
|
return PCI_ERS_RESULT_RECOVERED;
|
|
out_disable_device:
|
pci_disable_device(pdev);
|
return PCI_ERS_RESULT_DISCONNECT;
|
}
|
|
static pci_ers_result_t
|
bfad_pci_mmio_enabled(struct pci_dev *pdev)
|
{
|
unsigned long flags;
|
struct bfad_s *bfad = pci_get_drvdata(pdev);
|
|
dev_printk(KERN_INFO, &pdev->dev, "mmio_enabled\n");
|
|
/* Fetch FW diagnostic information */
|
bfa_ioc_debug_save_ftrc(&bfad->bfa.ioc);
|
|
/* Cancel all pending IOs */
|
spin_lock_irqsave(&bfad->bfad_lock, flags);
|
init_completion(&bfad->comp);
|
bfa_fcs_stop(&bfad->bfa_fcs);
|
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
|
wait_for_completion(&bfad->comp);
|
|
bfad_remove_intr(bfad);
|
del_timer_sync(&bfad->hal_tmo);
|
pci_disable_device(pdev);
|
|
return PCI_ERS_RESULT_NEED_RESET;
|
}
|
|
static void
|
bfad_pci_resume(struct pci_dev *pdev)
|
{
|
unsigned long flags;
|
struct bfad_s *bfad = pci_get_drvdata(pdev);
|
|
dev_printk(KERN_WARNING, &pdev->dev, "resume\n");
|
|
/* wait until the link is online */
|
bfad_rport_online_wait(bfad);
|
|
spin_lock_irqsave(&bfad->bfad_lock, flags);
|
bfad->bfad_flags &= ~BFAD_EEH_BUSY;
|
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
|
}
|
|
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,
|
},
|
{
|
.vendor = BFA_PCI_VENDOR_ID_BROCADE,
|
.device = BFA_PCI_DEVICE_ID_CT_FC,
|
.subvendor = PCI_ANY_ID,
|
.subdevice = PCI_ANY_ID,
|
.class = (PCI_CLASS_SERIAL_FIBER << 8),
|
.class_mask = ~0,
|
},
|
{
|
.vendor = BFA_PCI_VENDOR_ID_BROCADE,
|
.device = BFA_PCI_DEVICE_ID_CT2,
|
.subvendor = PCI_ANY_ID,
|
.subdevice = PCI_ANY_ID,
|
.class = (PCI_CLASS_SERIAL_FIBER << 8),
|
.class_mask = ~0,
|
},
|
|
{
|
.vendor = BFA_PCI_VENDOR_ID_BROCADE,
|
.device = BFA_PCI_DEVICE_ID_CT2_QUAD,
|
.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);
|
|
/*
|
* PCI error recovery handlers.
|
*/
|
static struct pci_error_handlers bfad_err_handler = {
|
.error_detected = bfad_pci_error_detected,
|
.slot_reset = bfad_pci_slot_reset,
|
.mmio_enabled = bfad_pci_mmio_enabled,
|
.resume = bfad_pci_resume,
|
};
|
|
static struct pci_driver bfad_pci_driver = {
|
.name = BFAD_DRIVER_NAME,
|
.id_table = bfad_id_table,
|
.probe = bfad_pci_probe,
|
.remove = bfad_pci_remove,
|
.err_handler = &bfad_err_handler,
|
};
|
|
/*
|
* Driver module init.
|
*/
|
static int __init
|
bfad_init(void)
|
{
|
int error = 0;
|
|
pr_info("QLogic BR-series BFA FC/FCOE SCSI driver - version: %s\n",
|
BFAD_DRIVER_VERSION);
|
|
if (num_sgpgs > 0)
|
num_sgpgs_parm = num_sgpgs;
|
|
error = bfad_im_module_init();
|
if (error) {
|
error = -ENOMEM;
|
printk(KERN_WARNING "bfad_im_module_init failure\n");
|
goto ext;
|
}
|
|
if (strcmp(FCPI_NAME, " fcpim") == 0)
|
supported_fc4s |= BFA_LPORT_ROLE_FCP_IM;
|
|
bfa_auto_recover = ioc_auto_recover;
|
bfa_fcs_rport_set_del_timeout(rport_del_timeout);
|
bfa_fcs_rport_set_max_logins(max_rport_logins);
|
|
error = pci_register_driver(&bfad_pci_driver);
|
if (error) {
|
printk(KERN_WARNING "pci_register_driver failure\n");
|
goto ext;
|
}
|
|
return 0;
|
|
ext:
|
bfad_im_module_exit();
|
return error;
|
}
|
|
/*
|
* Driver module exit.
|
*/
|
static void __exit
|
bfad_exit(void)
|
{
|
pci_unregister_driver(&bfad_pci_driver);
|
bfad_im_module_exit();
|
bfad_free_fwimg();
|
}
|
|
/* Firmware handling */
|
static void
|
bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
|
u32 *bfi_image_size, char *fw_name)
|
{
|
const struct firmware *fw;
|
|
if (request_firmware(&fw, fw_name, &pdev->dev)) {
|
printk(KERN_ALERT "Can't locate firmware %s\n", fw_name);
|
*bfi_image = NULL;
|
goto out;
|
}
|
|
*bfi_image = vmalloc(fw->size);
|
if (NULL == *bfi_image) {
|
printk(KERN_ALERT "Fail to allocate buffer for fw image "
|
"size=%x!\n", (u32) fw->size);
|
goto out;
|
}
|
|
memcpy(*bfi_image, fw->data, fw->size);
|
*bfi_image_size = fw->size/sizeof(u32);
|
out:
|
release_firmware(fw);
|
}
|
|
static u32 *
|
bfad_load_fwimg(struct pci_dev *pdev)
|
{
|
if (bfa_asic_id_ct2(pdev->device)) {
|
if (bfi_image_ct2_size == 0)
|
bfad_read_firmware(pdev, &bfi_image_ct2,
|
&bfi_image_ct2_size, BFAD_FW_FILE_CT2);
|
return bfi_image_ct2;
|
} else if (bfa_asic_id_ct(pdev->device)) {
|
if (bfi_image_ct_size == 0)
|
bfad_read_firmware(pdev, &bfi_image_ct,
|
&bfi_image_ct_size, BFAD_FW_FILE_CT);
|
return bfi_image_ct;
|
} else if (bfa_asic_id_cb(pdev->device)) {
|
if (bfi_image_cb_size == 0)
|
bfad_read_firmware(pdev, &bfi_image_cb,
|
&bfi_image_cb_size, BFAD_FW_FILE_CB);
|
return bfi_image_cb;
|
}
|
|
return NULL;
|
}
|
|
static void
|
bfad_free_fwimg(void)
|
{
|
if (bfi_image_ct2_size && bfi_image_ct2)
|
vfree(bfi_image_ct2);
|
if (bfi_image_ct_size && bfi_image_ct)
|
vfree(bfi_image_ct);
|
if (bfi_image_cb_size && bfi_image_cb)
|
vfree(bfi_image_cb);
|
}
|
|
module_init(bfad_init);
|
module_exit(bfad_exit);
|
MODULE_LICENSE("GPL");
|
MODULE_DESCRIPTION("QLogic BR-series Fibre Channel HBA Driver" BFAD_PROTO_NAME);
|
MODULE_AUTHOR("QLogic Corporation");
|
MODULE_VERSION(BFAD_DRIVER_VERSION);
|
