diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_init.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 7a216d478a94..4c77038c8f1c 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -45,6 +45,12 @@ #include "lpfc_vport.h" #include "lpfc_version.h" +char *_dump_buf_data; +unsigned long _dump_buf_data_order; +char *_dump_buf_dif; +unsigned long _dump_buf_dif_order; +spinlock_t _dump_buf_lock; + static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int); static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *); static int lpfc_post_rcv_buf(struct lpfc_hba *); @@ -2037,6 +2043,7 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) shost->max_lun = vport->cfg_max_luns; shost->this_id = -1; shost->max_cmd_len = 16; + /* * Set initial can_queue value since 0 is no longer supported and * scsi_add_host will fail. This will be adjusted later based on the @@ -2864,6 +2871,75 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) * the value of can_queue. */ shost->can_queue = phba->cfg_hba_queue_depth - 10; + if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) { + + if (lpfc_prot_mask && lpfc_prot_guard) { + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "1478 Registering BlockGuard with the " + "SCSI layer\n"); + + scsi_host_set_prot(shost, lpfc_prot_mask); + scsi_host_set_guard(shost, lpfc_prot_guard); + } + } + + if (!_dump_buf_data) { + int pagecnt = 10; + while (pagecnt) { + spin_lock_init(&_dump_buf_lock); + _dump_buf_data = + (char *) __get_free_pages(GFP_KERNEL, pagecnt); + if (_dump_buf_data) { + printk(KERN_ERR "BLKGRD allocated %d pages for " + "_dump_buf_data at 0x%p\n", + (1 << pagecnt), _dump_buf_data); + _dump_buf_data_order = pagecnt; + memset(_dump_buf_data, 0, ((1 << PAGE_SHIFT) + << pagecnt)); + break; + } else { + --pagecnt; + } + + } + + if (!_dump_buf_data_order) + printk(KERN_ERR "BLKGRD ERROR unable to allocate " + "memory for hexdump\n"); + + } else { + printk(KERN_ERR "BLKGRD already allocated _dump_buf_data=0x%p" + "\n", _dump_buf_data); + } + + + if (!_dump_buf_dif) { + int pagecnt = 10; + while (pagecnt) { + _dump_buf_dif = + (char *) __get_free_pages(GFP_KERNEL, pagecnt); + if (_dump_buf_dif) { + printk(KERN_ERR "BLKGRD allocated %d pages for " + "_dump_buf_dif at 0x%p\n", + (1 << pagecnt), _dump_buf_dif); + _dump_buf_dif_order = pagecnt; + memset(_dump_buf_dif, 0, ((1 << PAGE_SHIFT) + << pagecnt)); + break; + } else { + --pagecnt; + } + + } + + if (!_dump_buf_dif_order) + printk(KERN_ERR "BLKGRD ERROR unable to allocate " + "memory for hexdump\n"); + + } else { + printk(KERN_ERR "BLKGRD already allocated _dump_buf_dif=0x%p\n", + _dump_buf_dif); + } lpfc_host_attrib_init(shost); @@ -3408,6 +3484,19 @@ lpfc_exit(void) fc_release_transport(lpfc_transport_template); if (lpfc_enable_npiv) fc_release_transport(lpfc_vport_transport_template); + if (_dump_buf_data) { + printk(KERN_ERR "BLKGRD freeing %lu pages for _dump_buf_data " + "at 0x%p\n", + (1L << _dump_buf_data_order), _dump_buf_data); + free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order); + } + + if (_dump_buf_dif) { + printk(KERN_ERR "BLKGRD freeing %lu pages for _dump_buf_dif " + "at 0x%p\n", + (1L << _dump_buf_dif_order), _dump_buf_dif); + free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order); + } } module_init(lpfc_init); |
