void
bfad_drv_uninit(struct bfad_s *bfad)
{
del_timer_sync(&bfad->hal_tmo);
bfa_isr_disable(&bfad->bfa);
bfa_detach(&bfad->bfa);
bfad_remove_intr(bfad);
bfa_assert(list_empty(&bfad->file_q));
bfad_hal_mem_release(bfad);
}
/**
* PCI remove entry.
*/
void
bfad_pci_remove(struct pci_dev *pdev)
{
struct bfad_s *bfad = pci_get_drvdata(pdev);
unsigned long flags;
bfa_trc(bfad, bfad->inst_no);
if ((bfad->bfad_flags & BFAD_DRV_INIT_DONE)
&& !(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
spin_lock_irqsave(&bfad->bfad_lock, flags);
init_completion(&bfad->comp);
bfa_stop(&bfad->bfa);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
wait_for_completion(&bfad->comp);
bfad_remove_intr(bfad);
del_timer_sync(&bfad->hal_tmo);
goto hal_detach;
} else if (!(bfad->bfad_flags & BFAD_DRV_INIT_DONE)) {
goto remove_sysfs;
}
if (bfad->bfad_flags & BFAD_HAL_START_DONE)
bfad_drv_stop(bfad);
bfad_remove_intr(bfad);
del_timer_sync(&bfad->hal_tmo);
bfad_fc4_probe_undo(bfad);
if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE)
bfad_uncfg_pport(bfad);
hal_detach:
spin_lock_irqsave(&bfad->bfad_lock, flags);
bfa_detach(&bfad->bfa);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
bfad_hal_mem_release(bfad);
remove_sysfs:
mutex_lock(&bfad_mutex);
bfad_inst--;
list_del(&bfad->list_entry);
mutex_unlock(&bfad_mutex);
bfad_pci_uninit(pdev, bfad);
kfree(bfad->trcmod);
kfree(bfad);
}
void
bfad_drv_uninit(struct bfad_s *bfad)
{
unsigned long flags;
spin_lock_irqsave(&bfad->bfad_lock, flags);
init_completion(&bfad->comp);
bfa_stop(&bfad->bfa);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
wait_for_completion(&bfad->comp);
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;
}
bfa_status_t
bfad_drv_init(struct bfad_s *bfad)
{
bfa_status_t rc;
unsigned long flags;
struct bfa_fcs_driver_info_s driver_info;
int i;
bfad->cfg_data.rport_del_timeout = rport_del_timeout;
bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
bfad->cfg_data.io_max_sge = bfa_io_max_sge;
bfad->cfg_data.binding_method = FCP_PWWN_BINDING;
rc = bfad_hal_mem_alloc(bfad);
if (rc != BFA_STATUS_OK) {
printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n",
bfad->inst_no);
printk(KERN_WARNING
"Not enough memory to attach all Brocade HBA ports,"
" System may need more memory.\n");
goto out_hal_mem_alloc_failure;
}
bfa_init_log(&bfad->bfa, bfad->logmod);
bfa_init_trc(&bfad->bfa, bfad->trcmod);
bfa_init_aen(&bfad->bfa, bfad->aen);
INIT_LIST_HEAD(&bfad->file_q);
INIT_LIST_HEAD(&bfad->file_free_q);
for (i = 0; i < BFAD_AEN_MAX_APPS; i++) {
bfa_q_qe_init(&bfad->file_buf[i].qe);
list_add_tail(&bfad->file_buf[i].qe, &bfad->file_free_q);
}
bfa_init_plog(&bfad->bfa, &bfad->plog_buf);
bfa_plog_init(&bfad->plog_buf);
bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
0, "Driver Attach");
bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo,
&bfad->hal_pcidev);
init_completion(&bfad->comp);
/*
* Enable Interrupt and wait bfa_init completion
*/
if (bfad_setup_intr(bfad)) {
printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n",
bfad->inst_no);
goto out_setup_intr_failure;
}
spin_lock_irqsave(&bfad->bfad_lock, flags);
bfa_init(&bfad->bfa);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
/*
* Set up interrupt handler for each vectors
*/
if ((bfad->bfad_flags & BFAD_MSIX_ON)
&& bfad_install_msix_handler(bfad)) {
printk(KERN_WARNING "%s: install_msix failed, bfad%d\n",
__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);
if (host_name)
strncpy(driver_info.host_machine_name, host_name,
sizeof(driver_info.host_machine_name) - 1);
if (os_name)
strncpy(driver_info.host_os_name, os_name,
sizeof(driver_info.host_os_name) - 1);
if (os_patch)
strncpy(driver_info.host_os_patch, os_patch,
sizeof(driver_info.host_os_patch) - 1);
strncpy(driver_info.os_device_name, bfad->pci_name,
sizeof(driver_info.os_device_name - 1));
/*
* FCS INIT
*/
spin_lock_irqsave(&bfad->bfad_lock, flags);
bfa_fcs_log_init(&bfad->bfa_fcs, bfad->logmod);
bfa_fcs_trc_init(&bfad->bfa_fcs, bfad->trcmod);
bfa_fcs_aen_init(&bfad->bfa_fcs, bfad->aen);
bfa_fcs_init(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
return BFA_STATUS_OK;
out_setup_intr_failure:
bfa_detach(&bfad->bfa);
bfad_hal_mem_release(bfad);
out_hal_mem_alloc_failure:
return BFA_STATUS_FAILED;
}
bfa_status_t
bfad_hal_mem_alloc(struct bfad_s *bfad)
{
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;
bfa_cfg_get_default(&bfad->ioc_cfg);
retry:
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);
for (i = 0; i < BFA_MEM_TYPE_MAX; i++) {
meminfo_elem = &hal_meminfo->meminfo[i];
switch (meminfo_elem->mem_type) {
case BFA_MEM_TYPE_KVA:
kva = vmalloc(meminfo_elem->mem_len);
if (kva == NULL) {
bfad_hal_mem_release(bfad);
rc = BFA_STATUS_ENOMEM;
goto ext;
}
memset(kva, 0, meminfo_elem->mem_len);
meminfo_elem->kva = kva;
break;
case BFA_MEM_TYPE_DMA:
kva = dma_alloc_coherent(&bfad->pcidev->dev,
meminfo_elem->mem_len,
&phys_addr, GFP_KERNEL);
if (kva == NULL) {
bfad_hal_mem_release(bfad);
/*
* If we cannot allocate with default
* 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",
bfad->inst_no, num_sgpgs);
nextLowerInt(&num_sgpgs);
printk(KERN_INFO "bfad[%d]: trying to"
" allocate memory with"
" num_sgpgs: %d\n",
bfad->inst_no, num_sgpgs);
retry_count++;
goto retry;
} else {
if (num_sgpgs_parm > 0)
num_sgpgs = num_sgpgs_parm;
else {
reset_value =
(1 << retry_count);
num_sgpgs *= reset_value;
}
rc = BFA_STATUS_ENOMEM;
goto ext;
}
}
if (num_sgpgs_parm > 0)
num_sgpgs = num_sgpgs_parm;
else {
reset_value = (1 << retry_count);
num_sgpgs *= reset_value;
}
memset(kva, 0, meminfo_elem->mem_len);
meminfo_elem->kva = kva;
meminfo_elem->dma = phys_addr;
break;
default:
break;
}
}
ext:
return rc;
}
