diff options
Diffstat (limited to 'drivers/scsi/bfa/bfad.c')
| -rw-r--r-- | drivers/scsi/bfa/bfad.c | 1355 |
1 files changed, 812 insertions, 543 deletions
diff --git a/drivers/scsi/bfa/bfad.c b/drivers/scsi/bfa/bfad.c index ca04cc9d332..4d8784e06e1 100644 --- a/drivers/scsi/bfa/bfad.c +++ b/drivers/scsi/bfa/bfad.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. * All rights reserved * www.brocade.com * @@ -18,46 +18,62 @@ /** * bfad.c Linux driver PCI interface module. */ - -#include <linux/slab.h> #include <linux/module.h> #include <linux/kthread.h> +#include <linux/errno.h> +#include <linux/sched.h> +#include <linux/init.h> +#include <linux/fs.h> +#include <linux/pci.h> +#include <linux/firmware.h> +#include <asm/uaccess.h> +#include <asm/fcntl.h> + #include "bfad_drv.h" #include "bfad_im.h" -#include "bfad_tm.h" -#include "bfad_ipfc.h" -#include "bfad_trcmod.h" -#include <fcb/bfa_fcb_vf.h> -#include <fcb/bfa_fcb_rport.h> -#include <fcb/bfa_fcb_port.h> -#include <fcb/bfa_fcb.h> +#include "bfa_fcs.h" +#include "bfa_os_inc.h" +#include "bfa_defs.h" +#include "bfa.h" BFA_TRC_FILE(LDRV, BFAD); DEFINE_MUTEX(bfad_mutex); LIST_HEAD(bfad_list); -static int bfad_inst; -int bfad_supported_fc4s; - -static char *host_name; -static char *os_name; -static char *os_patch; -static int num_rports; -static int num_ios; -static int num_tms; -static int num_fcxps; -static int num_ufbufs; -static int reqq_size; -static int rspq_size; -static int num_sgpgs; -static int rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT; -static int bfa_io_max_sge = BFAD_IO_MAX_SGE; -static int log_level = BFA_LOG_WARNING; -static int ioc_auto_recover = BFA_TRUE; -static int ipfc_enable = BFA_FALSE; -static int fdmi_enable = BFA_TRUE; -int bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH; -int bfa_linkup_delay = -1; + +static int bfad_inst; +static int num_sgpgs_parm; +int supported_fc4s; +char *host_name, *os_name, *os_patch; +int num_rports, num_ios, num_tms; +int num_fcxps, num_ufbufs; +int reqq_size, rspq_size, num_sgpgs; +int rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT; +int bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH; +int bfa_io_max_sge = BFAD_IO_MAX_SGE; +int log_level = 3; /* WARNING log level */ +int ioc_auto_recover = BFA_TRUE; +int bfa_linkup_delay = -1; +int fdmi_enable = BFA_TRUE; +int pcie_max_read_reqsz; int bfa_debugfs_enable = 1; +int msix_disable_cb = 0, msix_disable_ct = 0; + +u32 bfi_image_ct_fc_size, bfi_image_ct_cna_size, bfi_image_cb_fc_size; +u32 *bfi_image_ct_fc, *bfi_image_ct_cna, *bfi_image_cb_fc; + +const char *msix_name_ct[] = { + "cpe0", "cpe1", "cpe2", "cpe3", + "rme0", "rme1", "rme2", "rme3", + "ctrl" }; + +const char *msix_name_cb[] = { + "cpe0", "cpe1", "cpe2", "cpe3", + "rme0", "rme1", "rme2", "rme3", + "eemc", "elpu0", "elpu1", "epss", "mlpu" }; + +MODULE_FIRMWARE(BFAD_FW_FILE_CT_FC); +MODULE_FIRMWARE(BFAD_FW_FILE_CT_CNA); +MODULE_FIRMWARE(BFAD_FW_FILE_CB_FC); module_param(os_name, charp, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(os_name, "OS name of the hba host machine"); @@ -66,8 +82,8 @@ MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine"); module_param(host_name, charp, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(host_name, "Hostname of the hba host machine"); module_param(num_rports, int, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(num_rports, "Max number of rports supported per port" - " (physical/logical), default=1024"); +MODULE_PARM_DESC(num_rports, "Max number of rports supported per port " + "(physical/logical), default=1024"); module_param(num_ios, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000"); module_param(num_tms, int, S_IRUGO | S_IWUSR); @@ -75,120 +91,277 @@ MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128"); module_param(num_fcxps, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64"); module_param(num_ufbufs, int, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame buffers," - " default=64"); +MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame " + "buffers, default=64"); module_param(reqq_size, int, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(reqq_size, "Max number of request queue elements," - " default=256"); +MODULE_PARM_DESC(reqq_size, "Max number of request queue elements, " + "default=256"); module_param(rspq_size, int, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(rspq_size, "Max number of response queue elements," - " default=64"); +MODULE_PARM_DESC(rspq_size, "Max number of response queue elements, " + "default=64"); module_param(num_sgpgs, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048"); module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs," - " Range[>0]"); +MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs, " + "Range[>0]"); module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32," - " Range[>0]"); +MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32, Range[>0]"); module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255"); module_param(log_level, int, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(log_level, "Driver log level, default=3," - " Range[Critical:1|Error:2|Warning:3|Info:4]"); +MODULE_PARM_DESC(log_level, "Driver log level, default=3, " + "Range[Critical:1|Error:2|Warning:3|Info:4]"); module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1," - " Range[off:0|on:1]"); -module_param(ipfc_enable, int, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(ipfc_enable, "Enable IPoFC, default=0, Range[off:0|on:1]"); +MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1, " + "Range[off:0|on:1]"); module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for boot" - " port. Otherwise Range[>0]"); +MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for " + "boot port. Otherwise 10 secs in RHEL4 & 0 for " + "[RHEL5, SLES10, ESX40] Range[>0]"); +module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(msix_disable_cb, "Disable Message Signaled Interrupts " + "for Brocade-415/425/815/825 cards, default=0, " + " Range[false:0|true:1]"); +module_param(msix_disable_ct, int, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(msix_disable_ct, "Disable Message Signaled Interrupts " + "if possible for Brocade-1010/1020/804/1007/902/1741 " + "cards, default=0, Range[false:0|true:1]"); module_param(fdmi_enable, int, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1," - " Range[false:0|true:1]"); +MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1, " + "Range[false:0|true:1]"); +module_param(pcie_max_read_reqsz, int, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(pcie_max_read_reqsz, "PCIe max read request size, default=0 " + "(use system setting), Range[128|256|512|1024|2048|4096]"); module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1," " Range[false:0|true:1]"); -/* - * Stores the module parm num_sgpgs value; - * used to reset for bfad next instance. +static void +bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event); +static void +bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event); +static void +bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event); +static void +bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event); +static void +bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event); +static void +bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event); +static void +bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event); + +/** + * Beginning state for the driver instance, awaiting the pci_probe event */ -static int num_sgpgs_parm; +static void +bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event) +{ + bfa_trc(bfad, event); + + switch (event) { + case BFAD_E_CREATE: + bfa_sm_set_state(bfad, bfad_sm_created); + bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad, + "%s", "bfad_worker"); + if (IS_ERR(bfad->bfad_tsk)) { + printk(KERN_INFO "bfad[%d]: Kernel thread " + "creation failed!\n", bfad->inst_no); + bfa_sm_send_event(bfad, BFAD_E_KTHREAD_CREATE_FAILED); + } + bfa_sm_send_event(bfad, BFAD_E_INIT); + break; + + case BFAD_E_STOP: + /* Ignore stop; already in uninit */ + break; + + default: + bfa_sm_fault(bfad, event); + } +} -static bfa_status_t -bfad_fc4_probe(struct bfad_s *bfad) +/** + * Driver Instance is created, awaiting event INIT to initialize the bfad + */ +static void +bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event) { - int rc; + unsigned long flags; - rc = bfad_im_probe(bfad); - if (rc != BFA_STATUS_OK) - goto ext; + bfa_trc(bfad, event); - bfad_tm_probe(bfad); + switch (event) { + case BFAD_E_INIT: + bfa_sm_set_state(bfad, bfad_sm_initializing); - if (ipfc_enable) - bfad_ipfc_probe(bfad); + init_completion(&bfad->comp); - bfad->bfad_flags |= BFAD_FC4_PROBE_DONE; -ext: - return rc; + /* Enable Interrupt and wait bfa_init completion */ + if (bfad_setup_intr(bfad)) { + printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n", + bfad->inst_no); + bfa_sm_send_event(bfad, BFAD_E_INTR_INIT_FAILED); + break; + } + + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_init(&bfad->bfa); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + /* Set up interrupt handler for each vectors */ + if ((bfad->bfad_flags & BFAD_MSIX_ON) && + bfad_install_msix_handler(bfad)) { + printk(KERN_WARNING "%s: install_msix failed, bfad%d\n", + __func__, bfad->inst_no); + } + + bfad_init_timer(bfad); + + wait_for_completion(&bfad->comp); + + if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) { + bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS); + } else { + bfad->bfad_flags |= BFAD_HAL_INIT_FAIL; + bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED); + } + + break; + + case BFAD_E_KTHREAD_CREATE_FAILED: + bfa_sm_set_state(bfad, bfad_sm_uninit); + break; + + default: + bfa_sm_fault(bfad, event); + } } static void -bfad_fc4_probe_undo(struct bfad_s *bfad) +bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event) { - bfad_im_probe_undo(bfad); - bfad_tm_probe_undo(bfad); - if (ipfc_enable) - bfad_ipfc_probe_undo(bfad); - bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; + int retval; + unsigned long flags; + + bfa_trc(bfad, event); + + switch (event) { + case BFAD_E_INIT_SUCCESS: + kthread_stop(bfad->bfad_tsk); + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfad->bfad_tsk = NULL; + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + retval = bfad_start_ops(bfad); + if (retval != BFA_STATUS_OK) + break; + bfa_sm_set_state(bfad, bfad_sm_operational); + break; + + case BFAD_E_INTR_INIT_FAILED: + bfa_sm_set_state(bfad, bfad_sm_uninit); + kthread_stop(bfad->bfad_tsk); + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfad->bfad_tsk = NULL; + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + break; + + case BFAD_E_INIT_FAILED: + bfa_sm_set_state(bfad, bfad_sm_failed); + break; + default: + bfa_sm_fault(bfad, event); + } } static void -bfad_fc4_probe_post(struct bfad_s *bfad) +bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event) { - if (bfad->im) - bfad_im_probe_post(bfad->im); + int retval; - bfad_tm_probe_post(bfad); - if (ipfc_enable) - bfad_ipfc_probe_post(bfad); + bfa_trc(bfad, event); + + switch (event) { + case BFAD_E_INIT_SUCCESS: + retval = bfad_start_ops(bfad); + if (retval != BFA_STATUS_OK) + break; + bfa_sm_set_state(bfad, bfad_sm_operational); + break; + + case BFAD_E_STOP: + if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE) + bfad_uncfg_pport(bfad); + if (bfad->bfad_flags & BFAD_FC4_PROBE_DONE) { + bfad_im_probe_undo(bfad); + bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; + } + bfad_stop(bfad); + break; + + case BFAD_E_EXIT_COMP: + bfa_sm_set_state(bfad, bfad_sm_uninit); + bfad_remove_intr(bfad); + del_timer_sync(&bfad->hal_tmo); + break; + + default: + bfa_sm_fault(bfad, event); + } } -static bfa_status_t -bfad_fc4_port_new(struct bfad_s *bfad, struct bfad_port_s *port, int roles) +static void +bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event) { - int rc = BFA_STATUS_FAILED; + bfa_trc(bfad, event); - if (roles & BFA_PORT_ROLE_FCP_IM) - rc = bfad_im_port_new(bfad, port); - if (rc != BFA_STATUS_OK) - goto ext; + switch (event) { + case BFAD_E_STOP: + bfa_sm_set_state(bfad, bfad_sm_fcs_exit); + bfad_fcs_stop(bfad); + break; - if (roles & BFA_PORT_ROLE_FCP_TM) - rc = bfad_tm_port_new(bfad, port); - if (rc != BFA_STATUS_OK) - goto ext; + default: + bfa_sm_fault(bfad, event); + } +} - if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable) - rc = bfad_ipfc_port_new(bfad, port, port->pvb_type); -ext: - return rc; +static void +bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event) +{ + bfa_trc(bfad, event); + + switch (event) { + case BFAD_E_FCS_EXIT_COMP: + bfa_sm_set_state(bfad, bfad_sm_stopping); + bfad_stop(bfad); + break; + + default: + bfa_sm_fault(bfad, event); + } } static void -bfad_fc4_port_delete(struct bfad_s *bfad, struct bfad_port_s *port, int roles) +bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event) { - if (roles & BFA_PORT_ROLE_FCP_IM) - bfad_im_port_delete(bfad, port); + bfa_trc(bfad, event); - if (roles & BFA_PORT_ROLE_FCP_TM) - bfad_tm_port_delete(bfad, port); + switch (event) { + case BFAD_E_EXIT_COMP: + bfa_sm_set_state(bfad, bfad_sm_uninit); + bfad_remove_intr(bfad); + del_timer_sync(&bfad->hal_tmo); + bfad_im_probe_undo(bfad); + bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; + bfad_uncfg_pport(bfad); + break; - if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable) - bfad_ipfc_port_delete(bfad, port); + default: + bfa_sm_fault(bfad, event); + break; + } } /** @@ -209,12 +382,13 @@ bfad_hcb_comp(void *arg, bfa_status_t status) void bfa_cb_init(void *drv, bfa_status_t init_status) { - struct bfad_s *bfad = drv; + struct bfad_s *bfad = drv; if (init_status == BFA_STATUS_OK) { bfad->bfad_flags |= BFAD_HAL_INIT_DONE; - /* If BFAD_HAL_INIT_FAIL flag is set: + /* + * If BFAD_HAL_INIT_FAIL flag is set: * Wake up the kernel thread to start * the bfad operations after HAL init done */ @@ -227,26 +401,16 @@ bfa_cb_init(void *drv, bfa_status_t init_status) complete(&bfad->comp); } - - /** * BFA_FCS callbacks */ -static struct bfad_port_s * -bfad_get_drv_port(struct bfad_s *bfad, struct bfad_vf_s *vf_drv, - struct bfad_vport_s *vp_drv) -{ - return (vp_drv) ? (&(vp_drv)->drv_port) - : ((vf_drv) ? (&(vf_drv)->base_port) : (&(bfad)->pport)); -} - struct bfad_port_s * -bfa_fcb_port_new(struct bfad_s *bfad, struct bfa_fcs_port_s *port, - enum bfa_port_role roles, struct bfad_vf_s *vf_drv, +bfa_fcb_lport_new(struct bfad_s *bfad, struct bfa_fcs_lport_s *port, + enum bfa_lport_role roles, struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv) { - bfa_status_t rc; - struct bfad_port_s *port_drv; + bfa_status_t rc; + struct bfad_port_s *port_drv; if (!vp_drv && !vf_drv) { port_drv = &bfad->pport; @@ -264,71 +428,32 @@ bfa_fcb_port_new(struct bfad_s *bfad, struct bfa_fcs_port_s *port, port_drv->fcs_port = port; port_drv->roles = roles; - rc = bfad_fc4_port_new(bfad, port_drv, roles); - if (rc != BFA_STATUS_OK) { - bfad_fc4_port_delete(bfad, port_drv, roles); - port_drv = NULL; + + if (roles & BFA_LPORT_ROLE_FCP_IM) { + 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; } void -bfa_fcb_port_delete(struct bfad_s *bfad, enum bfa_port_role roles, +bfa_fcb_lport_delete(struct bfad_s *bfad, enum bfa_lport_role roles, struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv) { - struct bfad_port_s *port_drv; + struct bfad_port_s *port_drv; - /* - * this will be only called from rmmod context - */ + /* this will be only called from rmmod context */ if (vp_drv && !vp_drv->comp_del) { - port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv); + port_drv = (vp_drv) ? (&(vp_drv)->drv_port) : + ((vf_drv) ? (&(vf_drv)->base_port) : + (&(bfad)->pport)); bfa_trc(bfad, roles); - bfad_fc4_port_delete(bfad, port_drv, roles); - } -} - -void -bfa_fcb_port_online(struct bfad_s *bfad, enum bfa_port_role roles, - struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv) -{ - struct bfad_port_s *port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv); - - if (roles & BFA_PORT_ROLE_FCP_IM) - bfad_im_port_online(bfad, port_drv); - - if (roles & BFA_PORT_ROLE_FCP_TM) - bfad_tm_port_online(bfad, port_drv); - - if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable) - bfad_ipfc_port_online(bfad, port_drv); - - bfad->bfad_flags |= BFAD_PORT_ONLINE; -} - -void -bfa_fcb_port_offline(struct bfad_s *bfad, enum bfa_port_role roles, - struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv) -{ - struct bfad_port_s *port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv); - - if (roles & BFA_PORT_ROLE_FCP_IM) - bfad_im_port_offline(bfad, port_drv); - - if (roles & BFA_PORT_ROLE_FCP_TM) - bfad_tm_port_offline(bfad, port_drv); - - if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable) - bfad_ipfc_port_offline(bfad, port_drv); -} - -void -bfa_fcb_vport_delete(struct bfad_vport_s *vport_drv) -{ - if (vport_drv->comp_del) { - complete(vport_drv->comp_del); - return; + if (roles & BFA_LPORT_ROLE_FCP_IM) + bfad_im_port_delete(bfad, port_drv); } } @@ -339,7 +464,7 @@ 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; + bfa_status_t rc = BFA_STATUS_OK; *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC); if (*rport_drv == NULL) { @@ -354,35 +479,43 @@ ext: } /** - * @brief * FCS PBC VPORT Create */ void bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport) { - struct bfad_pcfg_s *pcfg; + struct bfa_lport_cfg_s port_cfg = {0}; + struct bfad_vport_s *vport; + int rc; - pcfg = kzalloc(sizeof(struct bfad_pcfg_s), GFP_ATOMIC); - if (!pcfg) { + vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL); + if (!vport) { bfa_trc(bfad, 0); return; } - pcfg->port_cfg.roles = BFA_PORT_ROLE_FCP_IM; - pcfg->port_cfg.pwwn = pbc_vport.vp_pwwn; - pcfg->port_cfg.nwwn = pbc_vport.vp_nwwn; - pcfg->port_cfg.preboot_vp = BFA_TRUE; + 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); - list_add_tail(&pcfg->list_entry, &bfad->pbc_pcfg_list); + if (rc != BFA_STATUS_OK) { + bfa_trc(bfad, 0); + return; + } - return; + list_add_tail(&vport->list_entry, &bfad->pbc_vport_list); } void bfad_hal_mem_release(struct bfad_s *bfad) { - int i; + int i; struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; struct bfa_mem_elem_s *meminfo_elem; @@ -395,9 +528,9 @@ bfad_hal_mem_release(struct bfad_s *bfad) break; case BFA_MEM_TYPE_DMA: dma_free_coherent(&bfad->pcidev->dev, - meminfo_elem->mem_len, - meminfo_elem->kva, - (dma_addr_t) meminfo_elem->dma); + meminfo_elem->mem_len, + meminfo_elem->kva, + (dma_addr_t) meminfo_elem->dma); break; default: bfa_assert(0); @@ -434,27 +567,27 @@ bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg) * 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_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; + 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) { + int i; struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; struct bfa_mem_elem_s *meminfo_elem; - bfa_status_t rc = BFA_STATUS_OK; - dma_addr_t phys_addr; - int retry_count = 0; - int reset_value = 1; - int min_num_sgpgs = 512; - void *kva; - int i; + dma_addr_t phys_addr; + void *kva; + bfa_status_t rc = BFA_STATUS_OK; + int retry_count = 0; + int reset_value = 1; + int min_num_sgpgs = 512; bfa_cfg_get_default(&bfad->ioc_cfg); @@ -478,8 +611,7 @@ retry: break; case BFA_MEM_TYPE_DMA: kva = dma_alloc_coherent(&bfad->pcidev->dev, - meminfo_elem->mem_len, - &phys_addr, GFP_KERNEL); + meminfo_elem->mem_len, &phys_addr, GFP_KERNEL); if (kva == NULL) { bfad_hal_mem_release(bfad); /* @@ -487,14 +619,14 @@ retry: * num_sgpages try with half the value. */ if (num_sgpgs > min_num_sgpgs) { - printk(KERN_INFO "bfad[%d]: memory" - " allocation failed with" - " num_sgpgs: %d\n", + printk(KERN_INFO + "bfad[%d]: memory allocation failed" + " with num_sgpgs: %d\n", bfad->inst_no, num_sgpgs); nextLowerInt(&num_sgpgs); - printk(KERN_INFO "bfad[%d]: trying to" - " allocate memory with" - " num_sgpgs: %d\n", + printk(KERN_INFO + "bfad[%d]: trying to allocate memory" + " with num_sgpgs: %d\n", bfad->inst_no, num_sgpgs); retry_count++; goto retry; @@ -536,11 +668,11 @@ ext: */ bfa_status_t bfad_vport_create(struct bfad_s *bfad, u16 vf_id, - struct bfa_port_cfg_s *port_cfg, struct device *dev) + struct bfa_lport_cfg_s *port_cfg, struct device *dev) { - struct bfad_vport_s *vport; - int rc = BFA_STATUS_OK; - unsigned long flags; + 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); @@ -551,18 +683,14 @@ bfad_vport_create(struct bfad_s *bfad, u16 vf_id, vport->drv_port.bfad = bfad; spin_lock_irqsave(&bfad->bfad_lock, flags); - if (port_cfg->preboot_vp == BFA_TRUE) - rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport, - &bfad->bfa_fcs, vf_id, port_cfg, vport); - else - rc = bfa_fcs_vport_create(&vport->fcs_vport, - &bfad->bfa_fcs, vf_id, port_cfg, vport); + rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id, + port_cfg, vport); spin_unlock_irqrestore(&bfad->bfad_lock, flags); if (rc != BFA_STATUS_OK) goto ext_free_vport; - if (port_cfg->roles & BFA_PORT_ROLE_FCP_IM) { + 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) @@ -593,10 +721,10 @@ ext: */ bfa_status_t bfad_vf_create(struct bfad_s *bfad, u16 vf_id, - struct bfa_port_cfg_s *port_cfg) + struct bfa_lport_cfg_s *port_cfg) { - struct bfad_vf_s *vf; - int rc = BFA_STATUS_OK; + struct bfad_vf_s *vf; + int rc = BFA_STATUS_OK; vf = kzalloc(sizeof(struct bfad_vf_s), GFP_KERNEL); if (!vf) { @@ -615,9 +743,9 @@ ext: void bfad_bfa_tmo(unsigned long data) { - struct bfad_s *bfad = (struct bfad_s *)data; - unsigned long flags; - struct list_head doneq; + struct bfad_s *bfad = (struct bfad_s *) data; + unsigned long flags; + struct list_head doneq; spin_lock_irqsave(&bfad->bfad_lock, flags); @@ -633,7 +761,8 @@ bfad_bfa_tmo(unsigned long data) spin_unlock_irqrestore(&bfad->bfad_lock, flags); } - mod_timer(&bfad->hal_tmo, jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); + mod_timer(&bfad->hal_tmo, + jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); } void @@ -643,16 +772,17 @@ bfad_init_timer(struct bfad_s *bfad) bfad->hal_tmo.function = bfad_bfa_tmo; bfad->hal_tmo.data = (unsigned long)bfad; - mod_timer(&bfad->hal_tmo, jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); + 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; + int rc = -ENODEV; if (pci_enable_device(pdev)) { - BFA_PRINTF(BFA_ERR, "pci_enable_device fail %p\n", pdev); + printk(KERN_ERR "pci_enable_device fail %p\n", pdev); goto out; } @@ -664,14 +794,14 @@ bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad) if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) { - BFA_PRINTF(BFA_ERR, "pci_set_dma_mask fail %p\n", pdev); + printk(KERN_ERR "pci_set_dma_mask fail %p\n", pdev); goto out_release_region; } bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0)); if (bfad->pci_bar0_kva == NULL) { - BFA_PRINTF(BFA_ERR, "Fail to map bar0\n"); + printk(KERN_ERR "Fail to map bar0\n"); goto out_release_region; } @@ -688,6 +818,54 @@ bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad) bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn); bfad->pcidev = pdev; + + /* Adjust PCIe Maximum Read Request Size */ + if (pcie_max_read_reqsz > 0) { + int pcie_cap_reg; + u16 pcie_dev_ctl; + u16 mask = 0xffff; + + switch (pcie_max_read_reqsz) { + case 128: + mask = 0x0; + break; + case 256: + mask = 0x1000; + break; + case 512: + mask = 0x2000; + break; + case 1024: + mask = 0x3000; + break; + case 2048: + mask = 0x4000; + break; + case 4096: + mask = 0x5000; + break; + default: + break; + } + + pcie_cap_reg = pci_find_capability(pdev, PCI_CAP_ID_EXP); + if (mask != 0xffff && pcie_cap_reg) { + pcie_cap_reg += 0x08; + pci_read_config_word(pdev, pcie_cap_reg, &pcie_dev_ctl); + if ((pcie_dev_ctl & 0x7000) != mask) { + printk(KERN_WARNING "BFA[%s]: " + "pcie_max_read_request_size is %d, " + "reset to %d\n", bfad->pci_name, + (1 << ((pcie_dev_ctl & 0x7000) >> 12)) << 7, + pcie_max_read_reqsz); + + pcie_dev_ctl &= ~0x7000; + pci_write_config_word(pdev, pcie_cap_reg, + pcie_dev_ctl | mask); + } + } + } + return 0; out_release_region: @@ -710,25 +888,22 @@ bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad) void bfad_fcs_port_cfg(struct bfad_s *bfad) { - struct bfa_port_cfg_s port_cfg; - struct bfa_pport_attr_s attr; - char symname[BFA_SYMNAME_MAXLEN]; + struct bfa_lport_cfg_s port_cfg; + struct bfa_port_attr_s attr; + char symname[BFA_SYMNAME_MAXLEN]; sprintf(symname, "%s-%d", BFAD_DRIVER_NAME, bfad->inst_no); memcpy(port_cfg.sym_name.symname, symname, strlen(symname)); bfa_fcport_get_attr(&bfad->bfa, &attr); port_cfg.nwwn = attr.nwwn; port_cfg.pwwn = attr.pwwn; - - bfa_fcs_cfg_base_port(&bfad->bfa_fcs, &port_cfg); } bfa_status_t bfad_drv_init(struct bfad_s *bfad) { - bfa_status_t rc; - unsigned long flags; - struct bfa_fcs_driver_info_s driver_info; + 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; @@ -740,15 +915,12 @@ bfad_drv_init(struct bfad_s *bfad) printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n", bfad->inst_no); printk(KERN_WARNING - "Not enough memory to attach all Brocade HBA ports," - " System may need more memory.\n"); + "Not enough memory to attach all Brocade HBA ports, %s", + "System may need more memory.\n"); goto out_hal_mem_alloc_failure; } - bfa_init_log(&bfad->bfa, bfad->logmod); bfa_init_trc(&bfad->bfa, bfad->trcmod); - bfa_init_aen(&bfad->bfa, bfad->aen); - memset(bfad->file_map, 0, sizeof(bfad->file_map)); bfa_init_plog(&bfad->bfa, &bfad->plog_buf); bfa_plog_init(&bfad->plog_buf); bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START, @@ -757,77 +929,17 @@ bfad_drv_init(struct bfad_s *bfad) bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo, &bfad->hal_pcidev); - init_completion(&bfad->comp); - - /* - * Enable Interrupt and wait bfa_init completion - */ - if (bfad_setup_intr(bfad)) { - printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n", - bfad->inst_no); - goto out_setup_intr_failure; - } - + /* FCS INIT */ spin_lock_irqsave(&bfad->bfad_lock, flags); - bfa_init(&bfad->bfa); - spin_unlock_irqrestore(&bfad->bfad_lock, flags); - - /* - * Set up interrupt handler for each vectors - */ - if ((bfad->bfad_flags & BFAD_MSIX_ON) - && bfad_install_msix_handler(bfad)) { - printk(KERN_WARNING "%s: install_msix failed, bfad%d\n", - __func__, bfad->inst_no); - } - - bfad_init_timer(bfad); - - wait_for_completion(&bfad->comp); - - memset(&driver_info, 0, sizeof(driver_info)); - strncpy(driver_info.version, BFAD_DRIVER_VERSION, - sizeof(driver_info.version) - 1); - __kernel_param_lock(); - if (host_name) - strncpy(driver_info.host_machine_name, host_name, - sizeof(driver_info.host_machine_name) - 1); - if (os_name) - strncpy(driver_info.host_os_name, os_name, - sizeof(driver_info.host_os_name) - 1); - if (os_patch) - strncpy(driver_info.host_os_patch, os_patch, - sizeof(driver_info.host_os_patch) - 1); - __kernel_param_unlock(); - - strncpy(driver_info.os_device_name, bfad->pci_name, - sizeof(driver_info.os_device_name - 1)); - - /* - * FCS INIT - */ - spin_lock_irqsave(&bfad->bfad_lock, flags); - bfa_fcs_log_init(&bfad->bfa_fcs, bfad->logmod); bfa_fcs_trc_init(&bfad->bfa_fcs, bfad->trcmod); - bfa_fcs_aen_init(&bfad->bfa_fcs, bfad->aen); bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE); - - /* Do FCS init only when HAL init is done */ - if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) { - bfa_fcs_init(&bfad->bfa_fcs); - bfad->bfad_flags |= BFAD_FCS_INIT_DONE; - } - - bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info); bfa_fcs_set_fdmi_param(&bfad->bfa_fcs, fdmi_enable); spin_unlock_irqrestore(&bfad->bfad_lock, flags); bfad->bfad_flags |= BFAD_DRV_INIT_DONE; + return BFA_STATUS_OK; -out_setup_intr_failure: - bfa_detach(&bfad->bfa); - bfad_hal_mem_release(bfad); out_hal_mem_alloc_failure: return BFA_STATUS_FAILED; } @@ -855,7 +967,7 @@ bfad_drv_uninit(struct bfad_s *bfad) void bfad_drv_start(struct bfad_s *bfad) { - unsigned long flags; + unsigned long flags; spin_lock_irqsave(&bfad->bfad_lock, flags); bfa_start(&bfad->bfa); @@ -863,13 +975,14 @@ bfad_drv_start(struct bfad_s *bfad) bfad->bfad_flags |= BFAD_HAL_START_DONE; spin_unlock_irqrestore(&bfad->bfad_lock, flags); - bfad_fc4_probe_post(bfad); + if (bfad->im) + flush_workqueue(bfad->im->drv_workq); } void -bfad_drv_stop(struct bfad_s *bfad) +bfad_fcs_stop(struct bfad_s *bfad) { - unsigned long flags; + unsigned long flags; spin_lock_irqsave(&bfad->bfad_lock, flags); init_completion(&bfad->comp); @@ -878,24 +991,32 @@ bfad_drv_stop(struct bfad_s *bfad) 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_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_port_role role) +bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role) { - int rc = BFA_STATUS_OK; + int rc = BFA_STATUS_OK; - /* - * Allocate scsi_host for the physical port - */ - if ((bfad_supported_fc4s & BFA_PORT_ROLE_FCP_IM) - && (role & BFA_PORT_ROLE_FCP_IM)) { + /* 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; @@ -906,7 +1027,7 @@ bfad_cfg_pport(struct bfad_s *bfad, enum bfa_port_role role) if (rc != BFA_STATUS_OK) goto out; - bfad->pport.roles |= BFA_PORT_ROLE_FCP_IM; + bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM; } /* Setup the debugfs node for this scsi_host */ @@ -922,74 +1043,102 @@ out: void bfad_uncfg_pport(struct bfad_s *bfad) { - /* Remove the debugfs node for this scsi_host */ + /* Remove the debugfs node for this scsi_host */ kfree(bfad->regdata); bfad_debugfs_exit(&bfad->pport); - if ((bfad->pport.roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable) { - bfad_ipfc_port_delete(bfad, &bfad->pport); - bfad->pport.roles &= ~BFA_PORT_ROLE_FCP_IPFC; - } - - if ((bfad_supported_fc4s & BFA_PORT_ROLE_FCP_IM) - && (bfad->pport.roles & BFA_PORT_ROLE_FCP_IM)) { + 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_PORT_ROLE_FCP_IM; + bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM; } bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE; } -void -bfad_drv_log_level_set(struct bfad_s *bfad) -{ - if (log_level > BFA_LOG_INVALID && log_level <= BFA_LOG_LEVEL_MAX) - bfa_log_set_level_all(&bfad->log_data, log_level); -} - bfa_status_t -bfad_start_ops(struct bfad_s *bfad) -{ - int retval; - struct bfad_pcfg_s *pcfg, *pcfg_new; +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; + + /* Fill the driver_info info to fcs*/ + memset(&driver_info, 0, sizeof(driver_info)); + strncpy(driver_info.version, BFAD_DRIVER_VERSION, + sizeof(driver_info.version) - 1); + if (host_name) + strncpy(driver_info.host_machine_name, host_name, + sizeof(driver_info.host_machine_name) - 1); + if (os_name) + strncpy(driver_info.host_os_name, os_name, + sizeof(driver_info.host_os_name) - 1); + if (os_patch) + strncpy(driver_info.host_os_patch, os_patch, + sizeof(driver_info.host_os_patch) - 1); + + strncpy(driver_info.os_device_name, bfad->pci_name, + sizeof(driver_info.os_device_name - 1)); + + /* FCS INIT */ + spin_lock_irqsave(&bfad->bfad_lock, flags); + bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info); + bfa_fcs_init(&bfad->bfa_fcs); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); /* PPORT FCS config */ bfad_fcs_port_cfg(bfad); - retval = bfad_cfg_pport(bfad, BFA_PORT_ROLE_FCP_IM); - if (retval != BFA_STATUS_OK) - goto out_cfg_pport_failure; - - /* BFAD level FC4 (IM/TM/IPFC) specific resource allocation */ - retval = bfad_fc4_probe(bfad); + retval = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM); if (retval != BFA_STATUS_OK) { - printk(KERN_WARNING "bfad_fc4_probe failed\n"); - goto out_fc4_probe_failure; + if (bfa_sm_cmp_state(bfad, bfad_sm_initializing)) + bfa_sm_set_state(bfad, bfad_sm_failed); + bfad_stop(bfad); + return BFA_STATUS_FAILED; } + /* 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); + bfad_im_probe_undo(bfad); + bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; + bfad_uncfg_pport(bfad); + bfad_stop(bfad); + return BFA_STATUS_FAILED; + } else + bfad->bfad_flags |= BFAD_FC4_PROBE_DONE; + bfad_drv_start(bfad); - /* pbc vport creation */ - list_for_each_entry_safe(pcfg, pcfg_new, &bfad->pbc_pcfg_list, - list_entry) { + /* 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 *)&pcfg->port_cfg.nwwn); - vid.port_name = wwn_to_u64((u8 *)&pcfg->port_cfg.pwwn); + 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) + if (!fc_vport) { + wwn2str(pwwn_buf, vid.port_name); printk(KERN_WARNING "bfad%d: failed to create pbc vport" - " %llx\n", bfad->inst_no, vid.port_name); - list_del(&pcfg->list_entry); - kfree(pcfg); - + " %s\n", bfad->inst_no, pwwn_buf); + } + list_del(&vport->list_entry); + kfree(vport); } /* @@ -998,24 +1147,15 @@ bfad_start_ops(struct bfad_s *bfad) * passed in module param value as the bfa_linkup_delay. */ if (bfa_linkup_delay < 0) { - bfa_linkup_delay = bfad_os_get_linkup_delay(bfad); bfad_os_rport_online_wait(bfad); bfa_linkup_delay = -1; - - } else { + } else bfad_os_rport_online_wait(bfad); - } - bfa_log(bfad->logmod, BFA_LOG_LINUX_DEVICE_CLAIMED, bfad->pci_name); + BFA_LOG(KERN_INFO, bfad, log_level, "bfa device claimed\n"); return BFA_STATUS_OK; - -out_fc4_probe_failure: - bfad_fc4_probe_undo(bfad); - bfad_uncfg_pport(bfad); -out_cfg_pport_failure: - return BFA_STATUS_FAILED; } int @@ -1028,18 +1168,8 @@ bfad_worker(void *ptr) while (!kthread_should_stop()) { - /* Check if the FCS init is done from bfad_drv_init; - * if not done do FCS init and set the flag. - */ - if (!(bfad->bfad_flags & BFAD_FCS_INIT_DONE)) { - spin_lock_irqsave(&bfad->bfad_lock, flags); - bfa_fcs_init(&bfad->bfa_fcs); - bfad->bfad_flags |= BFAD_FCS_INIT_DONE; - spin_unlock_irqrestore(&bfad->bfad_lock, flags); - } - - /* Start the bfad operations after HAL init done */ - bfad_start_ops(bfad); + /* 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; @@ -1051,9 +1181,198 @@ bfad_worker(void *ptr) return 0; } - /* - * PCI_entry PCI driver entries * { - */ +/** + * 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); + bfa_trc_fp(bfad, irq); + } + + 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_ct(bfad->hal_pcidev.device_id)) ? + msix_name_ct[i] : msix_name_cb[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]); + + return 1; + } + } + + return 0; +} + +/** + * Setup MSIX based interrupt. + */ +int +bfad_setup_intr(struct bfad_s *bfad) +{ + int error = 0; + u32 mask = 0, i, num_bit = 0, max_bit = 0; + struct msix_entry msix_entries[MAX_MSIX_ENTRY]; + struct pci_dev *pdev = bfad->pcidev; + + /* 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_ct(pdev->device) && !msix_disable_ct) || + (!bfa_asic_id_ct(pdev->device) && !msix_disable_cb)) { + + error = pci_enable_msix(bfad->pcidev, msix_entries, bfad->nvec); + if (error) { + /* + * Only error number of vector is available. + * We don't have a mechanism to map multiple + * interrupts into one vector, so even if we + * can try to request less vectors, we don't + * know how to associate interrupt events to + * vectors. Linux doesn't dupicate vectors + * in the MSIX table for this case. + */ + + printk(KERN_WARNING "bfad%d: " + "pci_enable_msix failed (%d)," + " use line based.\n", bfad->inst_no, error); + + goto line_based; + } + + /* 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 error; + } + +line_based: + error = 0; + if (request_irq + (bfad->pcidev->irq, (irq_handler_t) bfad_intx, BFAD_IRQ_FLAGS, + BFAD_DRIVER_NAME, bfad) != 0) { + /* Enable interrupt handler failed */ + return 1; + } + + return error; +} + +void +bfad_remove_intr(struct bfad_s *bfad) +{ + int i; + + if (bfad->bfad_flags & BFAD_MSIX_ON) { + for (i = 0; i < bfad->nvec; i++) + free_irq(bfad->msix_tab[i].msix.vector, + &bfad->msix_tab[i]); + + pci_disable_msix(bfad->pcidev); + bfad->bfad_flags &= ~BFAD_MSIX_ON; + } else { + free_irq(bfad->pcidev->irq, bfad); + } +} /** * PCI probe entry. @@ -1061,18 +1380,14 @@ bfad_worker(void *ptr) int bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid) { - struct bfad_s *bfad; - int error = -ENODEV, retval; + struct bfad_s *bfad; + int error = -ENODEV, retval; - /* - * For single port cards - only claim function 0 - */ - if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) - && (PCI_FUNC(pdev->devfn) != 0)) + /* For single port cards - only claim function 0 */ + if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) && + (PCI_FUNC(pdev->devfn) != 0)) return -ENODEV; - BFA_TRACE(BFA_INFO, "bfad_pci_probe entry"); - bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL); if (!bfad) { error = -ENOMEM; @@ -1086,21 +1401,11 @@ bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid) goto out_alloc_trace_failure; } - /* - * LOG/TRACE INIT - */ + /* TRACE INIT */ bfa_trc_init(bfad->trcmod); bfa_trc(bfad, bfad_inst); - bfad->logmod = &bfad->log_data; - bfa_log_init(bfad->logmod, (char *)pci_name(pdev), bfa_os_printf); - - bfad_drv_log_level_set(bfad); - - bfad->aen = &bfad->aen_buf; - if (!(bfad_load_fwimg(pdev))) { - printk(KERN_WARNING "bfad_load_fwimg failure!\n"); kfree(bfad->trcmod); goto out_alloc_trace_failure; } @@ -1117,46 +1422,31 @@ bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid) 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); pci_set_drvdata(pdev, bfad); bfad->ref_count = 0; bfad->pport.bfad = bfad; - INIT_LIST_HEAD(&bfad->pbc_pcfg_list); - - bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad, "%s", - "bfad_worker"); - if (IS_ERR(bfad->bfad_tsk)) { - printk(KERN_INFO "bfad[%d]: Kernel thread" - " creation failed!\n", - bfad->inst_no); - goto out_kthread_create_failure; - } + INIT_LIST_HEAD(&bfad->pbc_vport_list); retval = bfad_drv_init(bfad); if (retval != BFA_STATUS_OK) goto out_drv_init_failure; - if (!(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) { - bfad->bfad_flags |= BFAD_HAL_INIT_FAIL; - printk(KERN_WARNING "bfad%d: hal init failed\n", bfad->inst_no); - goto ok; - } - retval = bfad_start_ops(bfad); - if (retval != BFA_STATUS_OK) - goto out_start_ops_failure; + bfa_sm_send_event(bfad, BFAD_E_CREATE); - kthread_stop(bfad->bfad_tsk); - bfad->bfad_tsk = NULL; + if (bfa_sm_cmp_state(bfad, bfad_sm_uninit)) + goto out_bfad_sm_failure; -ok: return 0; -out_start_ops_failure: - bfad_drv_uninit(bfad); +out_bfad_sm_failure: + bfa_detach(&bfad->bfa); + bfad_hal_mem_release(bfad); out_drv_init_failure: - kthread_stop(bfad->bfad_tsk); -out_kthread_create_failure: mutex_lock(&bfad_mutex); bfad_inst--; list_del(&bfad->list_entry); @@ -1176,62 +1466,29 @@ out: void bfad_pci_remove(struct pci_dev *pdev) { - struct bfad_s *bfad = pci_get_drvdata(pdev); - unsigned long flags; + 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) - kthread_stop(bfad->bfad_tsk); - spin_unlock_irqrestore(&bfad->bfad_lock, flags); - - if ((bfad->bfad_flags & BFAD_DRV_INIT_DONE) - && !(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) { - - spin_lock_irqsave(&bfad->bfad_lock, flags); - init_completion(&bfad->comp); - bfa_stop(&bfad->bfa); + if (bfad->bfad_tsk != NULL) { spin_unlock_irqrestore(&bfad->bfad_lock, flags); - wait_for_completion(&bfad->comp); - - bfad_remove_intr(bfad); - del_timer_sync(&bfad->hal_tmo); - goto hal_detach; - } else if (!(bfad->bfad_flags & BFAD_DRV_INIT_DONE)) { - goto remove_sysfs; - } - - if (bfad->bfad_flags & BFAD_HAL_START_DONE) { - bfad_drv_stop(bfad); - } else if (bfad->bfad_flags & BFAD_DRV_INIT_DONE) { - /* Invoking bfa_stop() before bfa_detach - * when HAL and DRV init are success - * but HAL start did not occur. - */ - spin_lock_irqsave(&bfad->bfad_lock, flags); - init_completion(&bfad->comp); - bfa_stop(&bfad->bfa); + kthread_stop(bfad->bfad_tsk); + } else { spin_unlock_irqrestore(&bfad->bfad_lock, flags); - wait_for_completion(&bfad->comp); } - bfad_remove_intr(bfad); - del_timer_sync(&bfad->hal_tmo); + /* Send Event BFAD_E_STOP */ + bfa_sm_send_event(bfad, BFAD_E_STOP); - if (bfad->bfad_flags & BFAD_FC4_PROBE_DONE) - bfad_fc4_probe_undo(bfad); - - if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE) - bfad_uncfg_pport(bfad); - -hal_detach: + /* 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_sysfs: + /* Cleaning the BFAD instance */ mutex_lock(&bfad_mutex); bfad_inst--; list_del(&bfad->list_entry); @@ -1242,35 +1499,34 @@ remove_sysfs: kfree(bfad); } - -static struct pci_device_id bfad_id_table[] = { +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_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_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, + .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_CT_FC, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .class = (PCI_CLASS_SERIAL_FIBER << 8), + .class_mask = ~0, }, {0, 0}, @@ -1286,89 +1542,104 @@ static struct pci_driver bfad_pci_driver = { }; /** - * Linux driver module functions - */ -bfa_status_t -bfad_fc4_module_init(void) -{ - int rc; - - rc = bfad_im_module_init(); - if (rc != BFA_STATUS_OK) - goto ext; - - bfad_tm_module_init(); - if (ipfc_enable) - bfad_ipfc_module_init(); -ext: - return rc; -} - -void -bfad_fc4_module_exit(void) -{ - if (ipfc_enable) - bfad_ipfc_module_exit(); - bfad_tm_module_exit(); - bfad_im_module_exit(); -} - -/** * Driver module init. */ -static int __init +static int __init bfad_init(void) { - int error = 0; + int error = 0; printk(KERN_INFO "Brocade BFA FC/FCOE SCSI driver - version: %s\n", - BFAD_DRIVER_VERSION); + BFAD_DRIVER_VERSION); if (num_sgpgs > 0) num_sgpgs_parm = num_sgpgs; - error = bfad_fc4_module_init(); + error = bfad_im_module_init(); if (error) { error = -ENOMEM; - printk(KERN_WARNING "bfad_fc4_module_init failure\n"); + printk(KERN_WARNING "bfad_im_module_init failure\n"); goto ext; } - if (!strcmp(FCPI_NAME, " fcpim")) - bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_IM; - if (!strcmp(FCPT_NAME, " fcptm")) - bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_TM; - if (!strcmp(IPFC_NAME, " ipfc")) - bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_IPFC; + if (strcmp(FCPI_NAME, " fcpim") == 0) + supported_fc4s |= BFA_LPORT_ROLE_FCP_IM; bfa_ioc_auto_recover(ioc_auto_recover); bfa_fcs_rport_set_del_timeout(rport_del_timeout); - error = pci_register_driver(&bfad_pci_driver); + error = pci_register_driver(&bfad_pci_driver); if (error) { - printk(KERN_WARNING "bfad pci_register_driver failure\n"); + printk(KERN_WARNING "pci_register_driver failure\n"); goto ext; } return 0; ext: - bfad_fc4_module_exit(); + bfad_im_module_exit(); return error; } /** * Driver module exit. */ -static void __exit +static void __exit bfad_exit(void) { pci_unregister_driver(&bfad_pci_driver); - bfad_fc4_module_exit(); + bfad_im_module_exit(); bfad_free_fwimg(); } -#define BFAD_PROTO_NAME FCPI_NAME FCPT_NAME IPFC_NAME +/* Firmware handling */ +u32 * +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); + goto error; + } + + *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 error; + } + + memcpy(*bfi_image, fw->data, fw->size); + *bfi_image_size = fw->size/sizeof(u32); + + return *bfi_image; + +error: + return NULL; +} + +u32 * +bfad_get_firmware_buf(struct pci_dev *pdev) +{ + if (pdev->device == BFA_PCI_DEVICE_ID_CT_FC) { + if (bfi_image_ct_fc_size == 0) + bfad_read_firmware(pdev, &bfi_image_ct_fc, + &bfi_image_ct_fc_size, BFAD_FW_FILE_CT_FC); + return bfi_image_ct_fc; + } else if (pdev->device == BFA_PCI_DEVICE_ID_CT) { + if (bfi_image_ct_cna_size == 0) + bfad_read_firmware(pdev, &bfi_image_ct_cna, + &bfi_image_ct_cna_size, BFAD_FW_FILE_CT_CNA); + return bfi_image_ct_cna; + } else { + if (bfi_image_cb_fc_size == 0) + bfad_read_firmware(pdev, &bfi_image_cb_fc, + &bfi_image_cb_fc_size, BFAD_FW_FILE_CB_FC); + return bfi_image_cb_fc; + } +} module_init(bfad_init); module_exit(bfad_exit); @@ -1376,5 +1647,3 @@ MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Brocade Fibre Channel HBA Driver" BFAD_PROTO_NAME); MODULE_AUTHOR("Brocade Communications Systems, Inc."); MODULE_VERSION(BFAD_DRIVER_VERSION); - - |