diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_init.c')
-rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index f81dfa3cb0a1..f30904889f7c 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -98,6 +98,7 @@ static struct scsi_transport_template *lpfc_transport_template = NULL; static struct scsi_transport_template *lpfc_vport_transport_template = NULL; static DEFINE_IDR(lpfc_hba_index); #define LPFC_NVMET_BUF_POST 254 +static int lpfc_vmid_res_alloc(struct lpfc_hba *phba, struct lpfc_vport *vport); /** * lpfc_config_port_prep - Perform lpfc initialization prior to config port @@ -2888,6 +2889,10 @@ lpfc_cleanup(struct lpfc_vport *vport) if (phba->link_state > LPFC_LINK_DOWN) lpfc_port_link_failure(vport); + /* Clean up VMID resources */ + if (lpfc_is_vmid_enabled(phba)) + lpfc_vmid_vport_cleanup(vport); + list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { if (vport->port_type != LPFC_PHYSICAL_PORT && ndlp->nlp_DID == Fabric_DID) { @@ -4308,6 +4313,55 @@ lpfc_get_wwpn(struct lpfc_hba *phba) } /** + * lpfc_vmid_res_alloc - Allocates resources for VMID + * @phba: pointer to lpfc hba data structure. + * @vport: pointer to vport data structure + * + * This routine allocated the resources needed for the VMID. + * + * Return codes + * 0 on Success + * Non-0 on Failure + */ +static int +lpfc_vmid_res_alloc(struct lpfc_hba *phba, struct lpfc_vport *vport) +{ + /* VMID feature is supported only on SLI4 */ + if (phba->sli_rev == LPFC_SLI_REV3) { + phba->cfg_vmid_app_header = 0; + phba->cfg_vmid_priority_tagging = 0; + } + + if (lpfc_is_vmid_enabled(phba)) { + vport->vmid = + kcalloc(phba->cfg_max_vmid, sizeof(struct lpfc_vmid), + GFP_KERNEL); + if (!vport->vmid) + return -ENOMEM; + + rwlock_init(&vport->vmid_lock); + + /* Set the VMID parameters for the vport */ + vport->vmid_priority_tagging = phba->cfg_vmid_priority_tagging; + vport->vmid_inactivity_timeout = + phba->cfg_vmid_inactivity_timeout; + vport->max_vmid = phba->cfg_max_vmid; + vport->cur_vmid_cnt = 0; + + vport->vmid_priority_range = bitmap_zalloc + (LPFC_VMID_MAX_PRIORITY_RANGE, GFP_KERNEL); + + if (!vport->vmid_priority_range) { + kfree(vport->vmid); + return -ENOMEM; + } + + hash_init(vport->hash_table); + } + return 0; +} + +/** * lpfc_create_port - Create an FC port * @phba: pointer to lpfc hba data structure. * @instance: a unique integer ID to this FC port. @@ -4459,6 +4513,12 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) vport->port_type, shost->sg_tablesize, phba->cfg_scsi_seg_cnt, phba->cfg_sg_seg_cnt); + /* Allocate the resources for VMID */ + rc = lpfc_vmid_res_alloc(phba, vport); + + if (rc) + goto out; + /* Initialize all internally managed lists. */ INIT_LIST_HEAD(&vport->fc_nodes); INIT_LIST_HEAD(&vport->rcv_buffer_list); @@ -4483,6 +4543,8 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) return vport; out_put_shost: + kfree(vport->vmid); + bitmap_free(vport->vmid_priority_range); scsi_host_put(shost); out: return NULL; |