@@ -273,6 +273,9 @@ struct lpfc_sli4_flags {
#define lpfc_vfi_rsrc_rdy_MASK 0x00000001
#define lpfc_vfi_rsrc_rdy_WORD word0
#define LPFC_VFI_RSRC_RDY 1
+#define lpfc_ftr_ashdr_SHIFT 4
+#define lpfc_ftr_ashdr_MASK 0x00000001
+#define lpfc_ftr_ashdr_WORD word0
};
struct sli4_bls_rsp {
@@ -2944,6 +2947,9 @@ struct lpfc_mbx_request_features {
#define lpfc_mbx_rq_ftr_rq_mrqp_SHIFT 16
#define lpfc_mbx_rq_ftr_rq_mrqp_MASK 0x00000001
#define lpfc_mbx_rq_ftr_rq_mrqp_WORD word2
+#define lpfc_mbx_rq_ftr_rq_ashdr_SHIFT 17
+#define lpfc_mbx_rq_ftr_rq_ashdr_MASK 0x00000001
+#define lpfc_mbx_rq_ftr_rq_ashdr_WORD word2
uint32_t word3;
#define lpfc_mbx_rq_ftr_rsp_iaab_SHIFT 0
#define lpfc_mbx_rq_ftr_rsp_iaab_MASK 0x00000001
@@ -2975,6 +2981,9 @@ struct lpfc_mbx_request_features {
#define lpfc_mbx_rq_ftr_rsp_mrqp_SHIFT 16
#define lpfc_mbx_rq_ftr_rsp_mrqp_MASK 0x00000001
#define lpfc_mbx_rq_ftr_rsp_mrqp_WORD word3
+#define lpfc_mbx_rq_ftr_rsp_ashdr_SHIFT 17
+#define lpfc_mbx_rq_ftr_rsp_ashdr_MASK 0x00000001
+#define lpfc_mbx_rq_ftr_rsp_ashdr_WORD word3
};
struct lpfc_mbx_memory_dump_type3 {
@@ -4219,6 +4228,9 @@ struct wqe_common {
#define wqe_xchg_WORD word10
#define LPFC_SCSI_XCHG 0x0
#define LPFC_NVME_XCHG 0x1
+#define wqe_appid_SHIFT 5
+#define wqe_appid_MASK 0x00000001
+#define wqe_appid_WORD word10
#define wqe_oas_SHIFT 6
#define wqe_oas_MASK 0x00000001
#define wqe_oas_WORD word10
@@ -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);
+ /* cleanup 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) {
@@ -4307,6 +4312,57 @@ lpfc_get_wwpn(struct lpfc_hba *phba)
return rol64(wwn, 32);
}
+/**
+ * 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 Succeess
+ * 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 enabled, then allocated the resources */
+ 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);
+
+ /* setting 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;
+ }
+
+ /* Initialize the hashtable */
+ hash_init(vport->hash_table);
+ }
+ return 0;
+}
+
/**
* lpfc_create_port - Create an FC port
* @phba: pointer to lpfc hba data structure.
@@ -4459,6 +4515,12 @@ 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 +4545,8 @@ 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;
@@ -2101,6 +2101,12 @@ lpfc_request_features(struct lpfc_hba *phba, struct lpfcMboxq *mboxq)
bf_set(lpfc_mbx_rq_ftr_rq_iaab, &mboxq->u.mqe.un.req_ftrs, 0);
bf_set(lpfc_mbx_rq_ftr_rq_iaar, &mboxq->u.mqe.un.req_ftrs, 0);
}
+
+ /* Enable Application Services Header for apphedr VMID */
+ if (phba->cfg_vmid_app_header) {
+ bf_set(lpfc_mbx_rq_ftr_rq_ashdr, &mboxq->u.mqe.un.req_ftrs, 1);
+ bf_set(lpfc_ftr_ashdr, &phba->sli4_hba.sli4_flags, 1);
+ }
return;
}
@@ -5417,6 +5417,35 @@ lpfc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *cmnd)
return 0;
}
+/*
+ * lpfc_vmid_vport_cleanup - cleans up the resources associated with a vports
+ * @vport: The virtual port for which this call is being executed.
+ */
+void lpfc_vmid_vport_cleanup(struct lpfc_vport *vport)
+{
+ u32 bucket;
+ struct lpfc_vmid *cur;
+
+ /* delete the timer */
+ if (vport->port_type == LPFC_PHYSICAL_PORT)
+ del_timer_sync(&vport->phba->inactive_vmid_poll);
+
+ /* free the resources */
+ kfree(vport->qfpa_res);
+ kfree(vport->vmid_priority.vmid_range);
+ kfree(vport->vmid);
+
+ /* for all elements in the hash table */
+ if (!hash_empty(vport->hash_table))
+ hash_for_each(vport->hash_table, bucket, cur, hnode)
+ hash_del(&cur->hnode);
+
+ /* reset variables */
+ vport->qfpa_res = NULL;
+ vport->vmid_priority.vmid_range = NULL;
+ vport->vmid = NULL;
+ vport->cur_vmid_cnt = 0;
+}
/**
* lpfc_abort_handler - scsi_host_template eh_abort_handler entry point
@@ -7699,6 +7699,15 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
goto out_free_mbox;
}
+ /* Disable vmid if app header is not supported */
+ if (phba->cfg_vmid_app_header && !(bf_get(lpfc_mbx_rq_ftr_rsp_ashdr,
+ &mqe->un.req_ftrs))) {
+ bf_set(lpfc_ftr_ashdr, &phba->sli4_hba.sli4_flags, 0);
+ phba->cfg_vmid_app_header = 0;
+ lpfc_printf_log(phba, KERN_DEBUG, LOG_SLI,
+ "1242 vmid feature not supported\n");
+ }
+
/*
* The port must support FCP initiator mode as this is the
* only mode running in the host.