Add target infrastructure.
Signed-off-by: Sebastian Herbszt <herbszt@xxxxxx>
---
diff -upNr 4.1-rc7.orig/drivers/scsi/lpfc/lpfc_target_api.c 4.1-rc7/drivers/scsi/lpfc/lpfc_target_api.c
--- 4.1-rc7.orig/drivers/scsi/lpfc/lpfc_target_api.c 1970-01-01 01:00:00.000000000 +0100
+++ 4.1-rc7/drivers/scsi/lpfc/lpfc_target_api.c 2015-06-14 16:31:26.079541076 +0200
@@ -0,0 +1,902 @@
+/*******************************************************************
+ * This file is part of the Emulex Linux Device Driver for *
+ * Fibre Channel Host Bus Adapters. *
+ * Copyright (C) 2003-2008 Emulex. All rights reserved. *
+ * EMULEX and SLI are trademarks of Emulex. *
+ * www.emulex.com *
+ * *
+ * This program is free software; you can redistribute it and/or *
+ * modify it under the terms of version 2 of the GNU General *
+ * Public License as published by the Free Software Foundation. *
+ * This program is distributed in the hope that it will be useful. *
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
+ * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
+ * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
+ * TO BE LEGALLY INVALID. See the GNU General Public License for *
+ * more details, a copy of which can be found in the file COPYING *
+ * included with this package. *
+ *******************************************************************/
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+
+#include <scsi/scsi.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/scsi_transport_fc.h>
+
+#include "lpfc_version.h"
+#include "lpfc_hw4.h"
+#include "lpfc_hw.h"
+#include "lpfc_target_api.h"
+#include "lpfc_target_api_base.h"
+#include "lpfc_nl.h"
+#include "lpfc_sli.h"
+#include "lpfc_sli4.h"
+#include "lpfc_disc.h"
+#include "lpfc_scsi.h"
+#include "lpfc.h"
+#include "lpfc_logmsg.h"
+#include "lpfc_target_protos.h"
+#include "lpfc_crtn.h"
+
+int lpfc_tgt_init(void);
+int lpfc_tgt_exit(void);
+
+int lpfctm_num_hba = 0;
+void lpfc_tm_down_link(tm_sliport_handle_t lpfc_port_handle);
+void lpfc_tm_hbq_free(struct lpfc_hba *phba, struct hbq_dmabuf *hbqbp);
+void lpfc_tm_tgtport_unbind(tm_tgtport_handle_t base_handle);
+
+extern int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
+extern int lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *, uint32_t, uint32_t);
+extern struct lpfc_vport *lpfc_find_vport_by_vpid(struct lpfc_hba *, uint16_t);
+void lpfc_tm_recv_unsol(struct lpfc_hba *phba,
+ struct lpfc_sli_ring *pring, struct lpfc_iocbq *iocb);
+struct hbq_dmabuf *lpfc_tm_hbq_alloc(struct lpfc_hba *phba);
+void lpfc_tm_hbq_free(struct lpfc_hba *phba, struct hbq_dmabuf *hbqbp);
+int lpfc_get_hba_info(struct lpfc_hba *phba, uint32_t *mxri, uint32_t *axri,
+ uint32_t *mrpi, uint32_t *arpi, uint32_t *mvpi, uint32_t *avpi);
+
+extern struct lpfc_hbq_init *lpfc_hbq_defs[];
+
+int lpfc_target_sliport_init(struct lpfc_hba *phba, struct pci_dev *pci_dev)
+{
+ uint32_t result;
+ tm_sliport_info_t *sliport_info;
+ tm_driver_data_t *driver_data = lpfc_tgt_data;
+ tm_sliport_t *sliport = &phba->target_sliport;
+
+ /* set up parameters in port info */
+ sliport_info = &phba->target_sliport.info;
+ sliport_info->sli_version = *(uint32_t *)&phba->pcb;
+ sliport_info->iotag16_mask = 0xc000;
+ sliport_info->pcidev = phba->pcidev;
+
+ /* allow negotiation on init call if hbq num is zero in driver data */
+ sliport_info->max_tgt_contexts = phba->cfg_hba_queue_depth;
+ if (driver_data->tm_num_hbq_buf &&
+ driver_data->tm_num_hbq_buf < sliport_info->max_tgt_contexts)
+ sliport_info->max_tgt_contexts = driver_data->tm_num_hbq_buf;
+
+ if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
+ sliport_info->flags |= LPFC_TM_SLI3_HBQ_ENABLED;
+ sliport_info->flags |= LPFC_TM_HBQ_TAGS_SUPPORTED;
+ } else {
+ sliport_info->flags &= ~LPFC_TM_SLI3_HBQ_ENABLED;
+ sliport_info->flags &= ~LPFC_TM_HBQ_TAGS_SUPPORTED;
+ }
+
+ result = lpfc_tgt_data->tm_sliport_init((tm_sliport_handle_t *)phba,
+ sliport_info, &phba->target_sliport.target_slihandle);
+
+ if (result == TM_RCD_SUCCESS) {
+ struct lpfc_sli *psli;
+ struct lpfc_sli_ring *pring;
+
+ psli = &phba->sli;
+ pring = &psli->ring[LPFC_EXTRA_RING];
+
+ /* protect against user brain damage */
+ if (sliport_info->max_tgt_contexts > phba->cfg_hba_queue_depth)
+ sliport_info->max_tgt_contexts =
+ phba->cfg_hba_queue_depth;
+
+ pring->prt[0].lpfc_sli_rcv_unsol_event = lpfc_tm_recv_unsol;
+
+ if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
+ phba->hbqs[LPFC_EXTRA_HBQ].hbq_alloc_buffer =
+ lpfc_tm_hbq_alloc;
+ phba->hbqs[LPFC_EXTRA_HBQ].hbq_free_buffer =
+ lpfc_tm_hbq_free;
+ if (!lpfc_sli_hbqbuf_fill_hbqs(phba, LPFC_EXTRA_HBQ,
+ sliport_info->max_tgt_contexts)) {
+ result = TM_RCD_FAILURE;
+ }
+ }
+ sliport->interrupt_callback_allowed = 0;
+ atomic_set(&sliport->interrupt_in_progress, 0);
+ }
+ return result;
+}
+
+int lpfc_tgt_init(void)
+{
+ struct Scsi_Host *host;
+ struct lpfc_vport *vport, *pport;
+ struct lpfc_hba *phba;
+ struct pci_dev *dev = NULL;
+ uint32_t result;
+
+ while ((dev = pci_get_device(PCI_VENDOR_ID_EMULEX, PCI_ANY_ID,
+ dev)) != NULL) {
+ host = pci_get_drvdata(dev);
+ if (host != NULL) {
+ pport = (struct lpfc_vport *) host->hostdata;
+ phba = pport->phba;
+ if (phba->cfg_fcp_mode & LPFC_FCP_MODE_TARGET)
+ lpfctm_num_hba++;
+ }
+ }
+
+ if (!lpfctm_num_hba) {
+ printk(KERN_ERR "lpfctm: No lpfc HBAs supporting target mode found\n");
+ return -ENODEV;
+ }
+
+ dev = NULL;
+ while ((dev = pci_get_device(PCI_VENDOR_ID_EMULEX, PCI_ANY_ID,
+ dev)) != NULL) {
+ host = pci_get_drvdata(dev);
+ if (host != NULL) {
+ pport = (struct lpfc_vport *) host->hostdata;
+ phba = pport->phba;
+ if (!(phba->cfg_fcp_mode & LPFC_FCP_MODE_TARGET))
+ continue;
+
+ result = lpfc_target_sliport_init(phba, dev);
+ if (result) {
+ printk(KERN_ERR "lpfc_tm: "
+ "Unable to init target sliport\n");
+ return -ENODEV;
+ }
+ }
+ }
+
+ dev = NULL;
+ while ((dev = pci_get_device(PCI_VENDOR_ID_EMULEX, PCI_ANY_ID,
+ dev)) != NULL) {
+ host = pci_get_drvdata(dev);
+ if (host != NULL) {
+ pport = (struct lpfc_vport *) host->hostdata;
+ phba = pport->phba;
+ if (!(phba->cfg_fcp_mode & LPFC_FCP_MODE_TARGET))
+ continue;
+ list_for_each_entry(vport, &phba->port_list,
+ listentry) {
+ lpfc_target_new_tgtport(vport);
+ }
+ lpfc_tm_init_link(phba);
+ }
+ }
+ return 0;
+}
+
+int
+lpfc_tgt_exit(void)
+{
+ struct lpfc_hba *phba;
+ struct lpfc_vport *vport, *pport;
+ struct Scsi_Host *host;
+ struct pci_dev *dev = NULL;
+
+ dev = NULL;
+ while ((dev = pci_get_device(PCI_VENDOR_ID_EMULEX, PCI_ANY_ID,
+ dev)) != NULL) {
+ host = pci_get_drvdata(dev);
+ if (host != NULL) {
+ pport = (struct lpfc_vport *) host->hostdata;
+ phba = pport->phba;
+ if (!(phba->cfg_fcp_mode & LPFC_FCP_MODE_TARGET))
+ continue;
+ list_for_each_entry(vport, &phba->port_list,
+ listentry) {
+ /* Add code to cleanup tgtport */
+ }
+ lpfc_tm_down_link(phba);
+ }
+ }
+ return 0;
+}
+
+int
+lpfc_tm_get_max_rpi(tm_sliport_handle_t lpfc_sliport_handle, uint32_t *max_rpi)
+{
+ int status;
+ struct lpfc_hba *phba;
+ uint32_t mxri, axri, arpi, mvpi, avpi;
+
+ phba = (struct lpfc_hba *)lpfc_sliport_handle;
+
+ status = lpfc_get_hba_info(phba,
+ &mxri, &axri, max_rpi, &arpi, &mvpi, &avpi);
+ if (status == 0)
+ return TM_RCD_FAILURE;
+ return TM_RCD_SUCCESS;
+}
+EXPORT_SYMBOL(lpfc_tm_get_max_rpi);
+
+static inline void tm_rsp_recv(struct lpfc_vport *vport, IOCB_t *iocb)
+{
+ tm_tgtport_handle_t target_handle;
+
+ atomic_inc(&vport->target_tgtport.calls_outstanding);
+ target_handle = vport->target_tgtport.target_handle;
+ if (target_handle)
+ lpfc_tgt_data->tm_rsp_recv(target_handle, iocb);
+ atomic_dec(&vport->target_tgtport.calls_outstanding);
+}
+
+void
+lpfc_tm_recv_unsol(struct lpfc_hba *phba,
+ struct lpfc_sli_ring *pring, struct lpfc_iocbq *iocb)
+{
+ struct lpfc_vport *vport = NULL;
+ IOCB_t *icmd = &iocb->iocb;
+ uint16_t vpi;
+ struct lpfc_dmabuf *dmabuf, *next_dmabuf;
+ struct hbq_dmabuf *hbq_buf;
+ unsigned long flags;
+ uint32_t hbqno;
+
+ if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
+ (icmd->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) {
+ vpi = icmd->unsli3.rcvsli3.vpi;
+ if (vpi != 0xffff)
+ vport = lpfc_find_vport_by_vpid(phba, vpi);
+ }
+ if (vport == NULL)
+ vport = phba->pport;
+
+ /* Initiator must be logged in for any incoming SCSI request */
+ switch (icmd->ulpCommand) {
+ case CMD_IOCB_RCV_SEQ64_CX:
+ /* transparently restore applications SLI-3 hbq io tag */
+ icmd->un.ulpWord[3] = lpfc_hbq_app_tag_get(icmd->un.ulpWord[3]);
+ /* FALLTHRU */
+
+ case CMD_RCV_SEQUENCE64_CX:
+ tm_rsp_recv(vport, icmd);
+ break;
+
+ default:
+ tm_rsp_recv(vport, icmd);
+ }
+
+ /* Now get rid of all HBQs that are in-flight */
+ if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
+ spin_lock_irqsave(&phba->hbalock, flags);
+ list_for_each_entry_safe(dmabuf, next_dmabuf,
+ &phba->rb_pend_list, list) {
+ hbq_buf = container_of(dmabuf, struct hbq_dmabuf, dbuf);
+ hbqno = lpfc_hbqno_get(hbq_buf->tag);
+ if (hbqno == LPFC_EXTRA_HBQ) {
+ list_del(&hbq_buf->dbuf.list);
+ kfree(hbq_buf);
+ }
+ }
+ spin_unlock_irqrestore(&phba->hbalock, flags);
+ }
+}
+
+static void
+lpfc_tm_recv_sol(struct lpfc_hba *phba,
+ struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb)
+{
+ struct lpfc_vport *vport = NULL;
+
+ vport = cmdiocb->vport;
+ if (vport == NULL)
+ vport = phba->pport;
+ tm_rsp_recv(vport, &rspiocb->iocb);
+ lpfc_sli_release_iocbq(phba, cmdiocb);
+}
+
+struct hbq_dmabuf *
+lpfc_tm_hbq_alloc(struct lpfc_hba *phba)
+{
+ struct hbq_dmabuf *hbqbp;
+ tm_sliport_handle_t target_sliport;
+ struct tm_hbq_dmabuf *tm_hbqbp;
+
+ hbqbp = kmalloc(sizeof(struct hbq_dmabuf), GFP_ATOMIC);
+ if (!hbqbp)
+ return NULL;
+
+ tm_hbqbp = (struct tm_hbq_dmabuf *)hbqbp;
+ atomic_inc(&phba->target_sliport.calls_outstanding);
+ target_sliport = phba->target_sliport.target_slihandle;
+ if (target_sliport)
+ lpfc_tgt_data->tm_hbq_alloc(target_sliport, tm_hbqbp);
+ atomic_dec(&phba->target_sliport.calls_outstanding);
+ if (tm_hbqbp->dbuf.virt == NULL) {
+ kfree(hbqbp);
+ return NULL;
+ }
+
+ return hbqbp;
+}
+
+void
+lpfc_tm_hbq_free(struct lpfc_hba *phba, struct hbq_dmabuf *hbqbp)
+{
+ tm_sliport_handle_t target_sliport;
+ struct tm_hbq_dmabuf *tm_hbqbp;
+
+ tm_hbqbp = (struct tm_hbq_dmabuf *)hbqbp;
+ hbqbp->tag = lpfc_hbq_app_tag_get(hbqbp->tag);
+ atomic_inc(&phba->target_sliport.calls_outstanding);
+ target_sliport = phba->target_sliport.target_slihandle;
+ if (target_sliport)
+ lpfc_tgt_data->tm_hbq_free(target_sliport, tm_hbqbp);
+ atomic_dec(&phba->target_sliport.calls_outstanding);
+ kfree(hbqbp);
+}
+
+/* encapsulate all calls to target module */
+uint32_t
+tm_tgtport_bind(struct lpfc_vport *vport, tm_tgtport_info_t *portinfo)
+{
+ tm_driver_data_t *driver_data;
+ struct lpfc_hba *phba = vport->phba;
+ uint32_t result;
+
+ atomic_inc(&bind_call_outstanding);
+ driver_data = lpfc_tgt_data;
+ if (driver_data) {
+ if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)
+ portinfo->flags |= LPFC_TM_SLI3_HBQ_ENABLED;
+ else
+ portinfo->flags &= ~LPFC_TM_SLI3_HBQ_ENABLED;
+
+ /* let remote initiators login to target */
+ vport->cfg_restrict_login = 0;
+
+ result =
+ driver_data->tm_tgtport_bind_v2(
+ phba->target_sliport.target_slihandle,
+ (tm_tgtport_handle_t)vport,
+ portinfo, (tm_tgtport_handle_t *)
+ &vport->target_tgtport.
+ target_handle);
+ } else
+ result = TM_RCD_FAILURE;
+ atomic_dec(&bind_call_outstanding);
+ return result;
+}
+
+uint32_t
+tm_tgtport_chk_login(struct lpfc_vport *vport,
+ tm_login_info_t *logininfo)
+{
+ tm_tgtport_handle_t target_handle;
+ uint32_t result;
+
+ atomic_inc(&vport->target_tgtport.calls_outstanding);
+ target_handle = vport->target_tgtport.target_handle;
+ if (target_handle)
+ result =
+ lpfc_tgt_data->tm_tgtport_chk_login(target_handle,
+ logininfo);
+ else
+ result = TM_RCD_FAILURE;
+ atomic_dec(&vport->target_tgtport.calls_outstanding);
+ return result;
+}
+
+tm_login_handle_t tm_tgtport_login(struct lpfc_vport *vport,
+ struct lpfc_nodelist *ndlp)
+{
+ tm_tgtport_handle_t target_handle;
+ tm_login_handle_t result;
+
+ atomic_inc(&vport->target_tgtport.calls_outstanding);
+ target_handle = vport->target_tgtport.target_handle;
+ if (target_handle) {
+ tm_check_duplicate_wwpn(vport, ndlp);
+ result = lpfc_tgt_data->tm_tgtport_login(target_handle,
+ ndlp->nlp_rpi, &ndlp->tm_login_info);
+ } else
+ result = 0;
+ atomic_dec(&vport->target_tgtport.calls_outstanding);
+ return result;
+}
+
+void tm_tgtport_logout(struct lpfc_vport *vport,
+ tm_login_handle_t tgt_login_handle)
+{
+ tm_tgtport_handle_t target_handle;
+
+ /*
+ * Check for various stages of tearing down the target driver. It's
+ * possible to receive link events during teardown depending on load.
+ * If any of the folloging conditions are true, we would dereference
+ * freed memory if we continued.
+ */
+ target_handle = vport->target_tgtport.target_handle;
+ if (tgt_login_handle == NULL) /* lpfc_unreg_rpi already called */
+ return;
+ if (target_handle == NULL) /* lpfc_tm_tgtport_unbind called */
+ return;
+ if (lpfc_tgt_data == NULL) /* lpfc_tm_term() already called */
+ return;
+
+ atomic_inc(&vport->target_tgtport.calls_outstanding);
+ lpfc_tgt_data->tm_tgtport_logout(tgt_login_handle);
+ atomic_dec(&vport->target_tgtport.calls_outstanding);
+}
+
+
+static int init_called = 0;
+
+atomic_t bind_call_outstanding = ATOMIC_INIT(0);
+
+tm_driver_data_t *volatile lpfc_tgt_data;
+
+uint32_t lpfc_tm_version(void)
+{
+ return TM_API_VERSION_2;
+}
+EXPORT_SYMBOL(lpfc_tm_version);
+
+uint32_t lpfc_tm_init(tm_driver_data_t *tgt_data)
+{
+ int status;
+
+ if (init_called) {
+ printk("lpfc multiple init of target module\n");
+ return TM_RCD_INVALID;
+ }
+ if (tgt_data->api_version != TM_API_VERSION_2)
+ return TM_RCD_INVALID;
+ lpfc_tgt_data = tgt_data;
+
+ status = lpfc_tgt_init();
+ if (status) {
+ init_called = 0;
+ lpfc_tgt_data = NULL;
+ return status;
+ }
+ init_called = 1;
+ return status;
+}
+EXPORT_SYMBOL(lpfc_tm_init);
+
+uint32_t
+lpfc_target_new_tgtport(struct lpfc_vport *vport)
+{
+ tm_driver_data_t *temp_lpfc_tgt_data;
+ tm_tgtport_t *tgtport = &vport->target_tgtport;
+ struct lpfc_hba *phba = vport->phba;
+ uint32_t result;
+ uint32_t max_xri;
+
+ temp_lpfc_tgt_data = lpfc_tgt_data;
+
+ if (!temp_lpfc_tgt_data) {
+ /* unlikely to get here. Means a new
+ * tgtport appeared after unloading the
+ * target driver. So just return 0.
+ */
+ return 0;
+ }
+
+ /* initialize tgtport struct */
+ memset(tgtport, 0, sizeof(tm_tgtport_t));
+ atomic_set(&tgtport->calls_outstanding, 0);
+
+ /* set up parameters in port info */
+ tgtport->info.sli_version = *(uint32_t *)&phba->pcb;
+ tgtport->info.protocol_type = TM_PROTO_FC;
+ memcpy(tgtport->info.proto_u.fc_proto_info.fc_port_name,
+ (uint8_t *)&vport->fc_portname, 8);
+ memcpy(tgtport->info.proto_u.fc_proto_info.fc_node_name,
+ (uint8_t *)&vport->fc_nodename, 8);
+ tgtport->info.iotag16_mask = 0xc000;
+ tgtport->info.pcidev = phba->pcidev;
+
+ /*
+ * max_tgt_contexts was negotiated in a preceding tm_sliport_init() call
+ * Don't allow it to be modified here, use vport[0] cfg for all vports
+ */
+ max_xri = phba->target_sliport.info.max_tgt_contexts;
+ tgtport->info.max_tgt_contexts = max_xri;
+ if (max_xri < 32) {
+ printk("lpfc_target_new_tgtport max_xri = %d\n", max_xri);
+ return TM_RCD_FAILURE;
+ }
+
+ /*
+ * Now let the target driver know. Binds both phys & npiv ports
+ * tm_sliport_init must have already been called for this hba.
+ */
+ result = tm_tgtport_bind(vport, &tgtport->info);
+ if (result == TM_RCD_SUCCESS)
+ phba->num_targets_bound++;
+ tgtport->info.max_tgt_contexts = max_xri;
+
+ return result;
+}
+
+uint32_t
+lpfc_target_rm_tgtport(struct lpfc_vport *vport)
+{
+ tm_driver_data_t *temp_lpfc_tgt_data;
+ tm_tgtport_t *tgtport = &vport->target_tgtport;
+
+ temp_lpfc_tgt_data = lpfc_tgt_data;
+
+ if (!temp_lpfc_tgt_data) {
+ /* unlikely to get here. Means a new
+ * tgtport appeared after unloading the
+ * target driver. So just return 0.
+ */
+ return 0;
+ }
+
+ /* now let the target driver know */
+ lpfc_tm_tgtport_unbind(tgtport);
+ return 1;
+}
+
+/* check for a node already logged in with the same port name.
+ * If found, then log it out of the target
+ */
+void tm_check_duplicate_wwpn(struct lpfc_vport *vport,
+ struct lpfc_nodelist *ndlp)
+{
+ struct lpfc_nodelist *ndlp1;
+
+ list_for_each_entry(ndlp1, &vport->fc_nodes, nlp_listp) {
+ if (memcmp(&ndlp->nlp_portname, &ndlp1->nlp_portname,
+ 8) == 0 && ndlp != ndlp1 &&
+ ndlp1->login_handle_valid) {
+
+ /* found duplicate needs to be logged out */
+ tm_tgtport_logout(vport, ndlp1->login_handle);
+ ndlp1->login_handle_valid = 0;
+ ndlp1->login_handle = 0;
+ }
+ }
+}
+
+/* this function called in the prli els functions prior to
+ * sending any PRLI or PRLI response.
+ */
+uint32_t
+lpfc_target_check_login(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
+{
+ /* fill in the login info structure */
+ tm_login_info_t *p = &ndlp->tm_login_info;
+
+ /* if we have already checked, then just
+ * return the result we got last time.
+ */
+ if (ndlp->tm_check_login_called)
+ return ndlp->tm_check_login_result;
+
+ memcpy(p->fc_login_info.fc_port_name, &ndlp->nlp_portname, 8);
+ memcpy(p->fc_login_info.fc_node_name, &ndlp->nlp_nodename, 8);
+ p->fc_login_info.local_fc_id = vport->fc_myDID;
+ p->fc_login_info.fc_id = ndlp->nlp_DID;
+
+ /* find out if target driver likes it */
+ ndlp->tm_check_login_called = 1;
+ ndlp->tm_check_login_result = tm_tgtport_chk_login(vport, p);
+ return ndlp->tm_check_login_result;
+}
+
+void lpfc_tm_tgtport_unbind(tm_tgtport_handle_t base_handle)
+{
+ struct lpfc_vport *vport = (struct lpfc_vport *)base_handle;
+ struct lpfc_hba *phba = vport->phba;
+
+
+ /* invalidate the handle */
+ vport->target_tgtport.target_handle = 0;
+
+ /* then wait for all outstanding calls to the target referencing
+ * this tgtport to complete.
+ */
+ while (atomic_read(&vport->target_tgtport.calls_outstanding))
+ schedule_timeout(10);
+
+ phba->num_targets_bound--;
+}
+EXPORT_SYMBOL(lpfc_tm_tgtport_unbind);
+
+
+
+uint32_t lpfc_tm_cmd_send(tm_sliport_handle_t lpfc_sliport_handle,
+ tm_tgtport_handle_t base_handle,
+ IOCB_t *iocb,
+ uint32_t iocb_wd_len)
+{
+ struct lpfc_vport *vport = (struct lpfc_vport *)base_handle;
+ struct lpfc_hba *phba = (struct lpfc_hba *)lpfc_sliport_handle;
+ struct lpfc_sli *psli;
+ struct lpfc_sli_ring *pring;
+ struct lpfc_iocbq *tmiocb;
+ IOCB_t *icmd;
+
+ psli = &phba->sli;
+ pring = &psli->ring[LPFC_EXTRA_RING];
+
+ /* lpfc_sli_issue_iocb will do this for us, but way too much
+ * overhead. This routine is largely a cut and paste of required
+ * code. This code may need to be updated if structure
+ * definitions change.
+ */
+
+ /* Allocate buffer for command iocb */
+ tmiocb = lpfc_sli_get_iocbq(phba);
+ if (!tmiocb)
+ return TM_RCD_FULL; /* ring is full */
+
+ icmd = &tmiocb->iocb;
+ iocb->ulpIoTag = icmd->ulpIoTag;
+ memcpy((uint8_t *)icmd, (uint8_t *)iocb, sizeof(IOCB_t));
+ if (icmd->ulpCommand == CMD_QUE_RING_BUF64_CN)
+ tmiocb->iocb_cmpl = NULL;
+ else {
+ tmiocb->vport = vport;
+ tmiocb->iocb_cmpl = lpfc_tm_recv_sol;
+ }
+
+ if (lpfc_sli_issue_iocb(phba, LPFC_EXTRA_RING, tmiocb, 0)) {
+ lpfc_sli_release_iocbq(phba, tmiocb);
+ return TM_RCD_FULL; /* ring is full */
+ }
+ return 0;
+}
+EXPORT_SYMBOL(lpfc_tm_cmd_send);
+
+void lpfc_tm_rsp_poll(tm_sliport_handle_t lpfc_port_handle,
+ uint32_t max_responses)
+{
+ struct lpfc_hba *phba = (struct lpfc_hba *)lpfc_port_handle;
+ struct lpfc_sli *psli = &phba->sli;
+ struct lpfc_sli_ring *pring = &psli->ring[LPFC_EXTRA_RING];
+ extern int lpfc_sli_handle_fast_ring_event(struct lpfc_hba *,
+ struct lpfc_sli_ring *, uint32_t);
+ uint32_t ha_copy;
+
+ /* Reading the HA register is expensive, but if
+ * we are host limited, the response ring will
+ * be full so the cost is ammortized. If we
+ * are not host limited, we don't care.
+ */
+ ha_copy = readl(phba->HAregaddr) >> 4*LPFC_EXTRA_RING;
+ phba->poll_rsp_cnt = max_responses;
+ if (ha_copy & HA_RXATT) {
+ lpfc_sli_handle_fast_ring_event(phba, pring,
+ (ha_copy & HA_RXMASK));
+ }
+ phba->poll_rsp_cnt = 0;
+}
+EXPORT_SYMBOL(lpfc_tm_rsp_poll);
+
+void lpfc_tm_poll_set(tm_sliport_handle_t lpfc_port_handle, uint32_t enable)
+{
+ uint32_t hc_value;
+ struct lpfc_hba *phba = (struct lpfc_hba *)lpfc_port_handle;
+ tm_sliport_t *sliport = &phba->target_sliport;
+
+ spin_lock(&phba->hbalock);
+ /* set the interrupt enable bit in the HC register.
+ * This should really be protected by a lock, but
+ * can't do this until base driver is fixed.
+ */
+ hc_value = readl(phba->HCregaddr);
+ if (enable)
+ hc_value |= (HC_R0INT_ENA << LPFC_EXTRA_RING);
+ else
+ hc_value &= ~(HC_R0INT_ENA << LPFC_EXTRA_RING);
+ writel(hc_value, phba->HCregaddr);
+
+ sliport->interrupt_callback_allowed = !enable;
+ spin_unlock(&phba->hbalock);
+
+ /* If disabling interrupt call backs (enabling polling)
+ * then need to wait for any concurrent call back to
+ * complete. This guarantees that on return from
+ * this function, no future callbacks will occur.
+ */
+ while (atomic_read(&sliport->interrupt_in_progress))
+ schedule_timeout(10);
+}
+EXPORT_SYMBOL(lpfc_tm_poll_set);
+
+void lpfc_tm_term(void)
+{
+ /* wait for any outstanding bind calls to complete
+ * before returning. Don't want the target driver
+ * to unload while a call to it is still in progress.
+ */
+ while (atomic_read(&bind_call_outstanding))
+ schedule_timeout(10);
+ lpfc_tgt_exit();
+ lpfc_tgt_data = NULL;
+ init_called = 0;
+}
+EXPORT_SYMBOL(lpfc_tm_term);
+
+void
+lpfc_tm_linkdown(struct lpfc_hba *phba)
+{
+ struct lpfc_vport *vport;
+ struct lpfc_nodelist *ndlp, *next_ndlp;
+
+ /* This routine will do additional link down processing
+ * required for target mode. Regular link down processing
+ * is still done in lpfc_linkdown.
+ */
+
+ list_for_each_entry(vport, &phba->port_list, listentry) {
+ list_for_each_entry_safe(ndlp, next_ndlp,
+ &phba->pport->fc_nodes, nlp_listp) {
+
+ if (ndlp->nlp_state != NLP_STE_UNUSED_NODE)
+ lpfc_disc_state_machine(vport, ndlp, NULL,
+ NLP_EVT_DEVICE_RECOVERY);
+
+ /* Because this is a target, we want to force
+ * any remote initiator to use PLOGI / PRLI
+ * to login to us instead of ADISC. Typically
+ * this will only make a difference if this
+ * local port is configuration as BOTH a target
+ * and an initiator.
+ */
+ lpfc_unreg_rpi(vport, ndlp);
+ }
+ }
+}
+
+void lpfc_tm_init_link(tm_sliport_handle_t lpfc_port_handle)
+{
+ struct lpfc_hba *phba = (struct lpfc_hba *)lpfc_port_handle;
+ LPFC_MBOXQ_t *pmb;
+
+ pmb = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC);
+ if (!pmb) {
+ printk("lpfc_tm_init_link unable to allocate mailbox mem\n");
+ return;
+ }
+
+ lpfc_tm_linkdown(phba);
+ lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
+ if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
+ printk("lpfc_tm_init_link mailbox command unsuccessful\n");
+ lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
+ if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS)
+ printk("lpfc_tm_init_link retry failed\n");
+ }
+
+ mempool_free(pmb, phba->mbox_mem_pool);
+}
+EXPORT_SYMBOL(lpfc_tm_init_link);
+
+void lpfc_tm_down_link(tm_sliport_handle_t lpfc_port_handle)
+{
+ struct lpfc_hba *phba = (struct lpfc_hba *)lpfc_port_handle;
+ LPFC_MBOXQ_t *pmb;
+ MAILBOX_t *mb;
+
+ pmb = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC);
+ if (!pmb) {
+ printk("lpfc_tm_down_link unable to allocate mailbox mem\n");
+ return;
+ }
+ mb = &pmb->u.mb;
+ memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
+
+ mb->mbxCommand = MBX_DOWN_LINK;
+ mb->mbxOwner = OWN_HOST;
+ if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS)
+ printk("lpfc_tm_down_link mailbox command unsuccessful\n");
+
+ mempool_free(pmb, phba->mbox_mem_pool);
+}
+
+int lpfc_sliport_term(tm_sliport_handle_t lpfc_port_handle)
+{
+ struct lpfc_hba *phba = (struct lpfc_hba *)lpfc_port_handle;
+ struct lpfc_dmabuf *dmabuf, *next_dmabuf;
+ struct hbq_dmabuf *hbq_buf;
+ LPFC_MBOXQ_t *pmb;
+ MAILBOX_t *mb = NULL;
+ uint32_t hbq_index;
+
+ if (phba->num_targets_bound)
+ return TM_RCD_BUSY;
+
+
+ /* must pause the hbq before resetting the ring */
+ if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
+ pmb = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC);
+ if (pmb) {
+ memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
+ mb = &pmb->u.mb;
+ mb->mbxCommand = MBX_PAUSE_HBQ;
+ mb->un.varPauseHbq.hbqId = LPFC_EXTRA_HBQ;
+ lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
+ mempool_free(pmb, phba->mbox_mem_pool);
+ }
+ }
+
+ /* reset the target ring */
+ pmb = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC);
+ if (pmb) {
+ memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
+ mb = &pmb->u.mb;
+ mb->mbxCommand = MBX_RESET_RING;
+ mb->un.varRstRing.ring_no = LPFC_EXTRA_RING;
+ lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
+ mempool_free(pmb, phba->mbox_mem_pool);
+ }
+
+ if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
+ list_for_each_entry_safe(dmabuf, next_dmabuf,
+ &phba->hbqs[LPFC_EXTRA_HBQ].hbq_buffer_list,
+ list) {
+ hbq_buf = container_of(dmabuf,
+ struct hbq_dmabuf, dbuf);
+ list_del(&hbq_buf->dbuf.list);
+ (phba->hbqs[LPFC_EXTRA_HBQ].hbq_free_buffer)
+ (phba, hbq_buf);
+ }
+ phba->hbqs[LPFC_EXTRA_HBQ].hbq_alloc_buffer = NULL;
+ phba->hbqs[LPFC_EXTRA_HBQ].hbq_free_buffer = NULL;
+ }
+
+ /* resume the hbq and reset the get pointer after reset */
+ if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
+ pmb = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC);
+ if (pmb) {
+ /* set the hbq put pointer before issuing the resume */
+ hbq_index = 0;
+ writel(hbq_index, phba->hbq_put + LPFC_EXTRA_HBQ);
+ /* flush */
+ hbq_index = readl(phba->hbq_put + LPFC_EXTRA_HBQ);
+ phba->hbqs[LPFC_EXTRA_HBQ].hbqPutIdx = hbq_index;
+ phba->hbqs[LPFC_EXTRA_HBQ].next_hbqPutIdx = hbq_index;
+
+ memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
+ mb = &pmb->u.mb;
+ mb->mbxCommand = MBX_RESUME_HBQ;
+ mb->un.varResumeHbq.hbqId = LPFC_EXTRA_HBQ;
+ mb->un.varResumeHbq.hbqGetPtr = hbq_index;
+ lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
+
+ phba->hbqs[LPFC_EXTRA_HBQ].local_hbqGetIdx = hbq_index;
+ phba->hbqs[LPFC_EXTRA_HBQ].buffer_count = 0;
+
+ mempool_free(pmb, phba->mbox_mem_pool);
+ }
+ }
+
+ if (lpfc_tgt_data)
+ lpfc_tgt_data->tm_sliport_term(
+ phba->target_sliport.target_slihandle);
+
+ return TM_RCD_SUCCESS;
+}
+EXPORT_SYMBOL(lpfc_sliport_term);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION(LPFC_MODULE_DESC);
+MODULE_AUTHOR("Emulex Corporation - tech.support@xxxxxxxxxx");
+MODULE_VERSION("0:" LPFC_DRIVER_VERSION);
diff -upNr 4.1-rc7.orig/drivers/scsi/lpfc/lpfc_target_api.h 4.1-rc7/drivers/scsi/lpfc/lpfc_target_api.h
--- 4.1-rc7.orig/drivers/scsi/lpfc/lpfc_target_api.h 1970-01-01 01:00:00.000000000 +0100
+++ 4.1-rc7/drivers/scsi/lpfc/lpfc_target_api.h 2015-06-14 16:31:26.079541076 +0200
@@ -0,0 +1,155 @@
+/*******************************************************************
+ * This file is part of the Emulex Linux Device Driver for *
+ * Fibre Channel Host Bus Adapters. *
+ * Copyright (C) 2003-2008 Emulex. All rights reserved. *
+ * EMULEX and SLI are trademarks of Emulex. *
+ * www.emulex.com *
+ * *
+ * This program is free software; you can redistribute it and/or *
+ * modify it under the terms of version 2 of the GNU General *
+ * Public License as published by the Free Software Foundation. *
+ * This program is distributed in the hope that it will be useful. *
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
+ * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
+ * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
+ * TO BE LEGALLY INVALID. See the GNU General Public License for *
+ * more details, a copy of which can be found in the file COPYING *
+ * included with this package. *
+ *******************************************************************/
+#ifndef _H_LPFC_TGT_API
+#define _H_LPFC_TGT_API
+
+#include <linux/version.h>
+#include <linux/spinlock.h>
+#include <linux/pci.h>
+#include <linux/types.h>
+
+#define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
+#define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
+#define getPaddr(high, low) ((dma_addr_t)( \
+ (( (u64)(high)<<16 ) << 16)|( (u64)(low))))
+
+typedef void *tm_tgtport_handle_t;
+typedef void *tm_login_handle_t;
+typedef void *tm_sliport_handle_t;
+
+/* API version values */
+#define TM_API_VERSION_1 1
+#define TM_API_VERSION_2 2
+
+/* Protocol type values */
+#define TM_PROTO_FC 0
+
+/* SLI Port abstraction */
+
+typedef struct tm_sliport_info_s {
+ uint32_t sli_version; /* explicit PCB word 0 */
+ uint16_t max_tgt_contexts; /* maximum # of tgt mode I/O contexts */
+ uint16_t iotag16_mask;
+ struct pci_dev *pcidev;
+ int flags;
+} tm_sliport_info_t;
+
+/* Target port abstaction */
+typedef struct tm_tgtport_info_s {
+ uint32_t sli_version;
+ uint16_t max_tgt_contexts;
+ uint16_t iotag16_mask;
+ uint32_t protocol_type;
+ union {
+ struct fc_proto_info_s {
+ uint8_t fc_port_name[8];
+ uint8_t fc_node_name[8];
+ } fc_proto_info;
+ } proto_u;
+ struct pci_dev *pcidev;
+ int flags;
+} tm_tgtport_info_t;
+
+/* Flags for Target Port */
+#define LPFC_TM_SLI3_HBQ_ENABLED 1 /* Port used HBQs */
+#define LPFC_TM_HBQ_TAGS_SUPPORTED 2
+
+#define fc_protoinfo proto_u.fc_proto_info
+
+typedef union tm_login_info_u {
+ struct fc_login_info_s {
+ uint8_t fc_port_name[8];
+ uint8_t fc_node_name[8];
+ uint32_t fc_id;
+ uint32_t local_fc_id;
+ } fc_login_info;
+} tm_login_info_t;
+
+
+struct tm_lpfc_dmabuf {
+ struct list_head list;
+ void *virt; /* virtual address ptr */
+ dma_addr_t phys; /* mapped address */
+ uint32_t buffer_tag;
+};
+
+struct tm_hbq_dmabuf {
+ struct tm_lpfc_dmabuf hbuf;
+ struct tm_lpfc_dmabuf dbuf;
+ uint32_t size;
+ uint32_t tag;
+/* FIXME */
+/*
+ struct lpfc_cq_event cq_event;
+ unsigned long time_stamp;
+*/
+};
+
+typedef struct tm_driver_data_s {
+ uint32_t api_version;
+ uint32_t (*tm_tgtport_bind)(tm_tgtport_handle_t base_handle,
+ tm_tgtport_info_t *portinfo,
+ tm_tgtport_handle_t *tgt_handle);
+ void (*tm_tgtport_req_unbind)(tm_tgtport_handle_t tgt_handle);
+ void (*tm_tgtport_reset)(tm_tgtport_handle_t tgt_handle);
+ uint32_t (*tm_tgtport_chk_login)(tm_tgtport_handle_t tgt_handle,
+ tm_login_info_t *logininfo);
+ tm_login_handle_t (*tm_tgtport_login)(tm_tgtport_handle_t tgt_handle,
+ uint16_t rpi,
+ tm_login_info_t *logininfo);
+ void (*tm_tgtport_logout)(tm_login_handle_t tgt_login_handle);
+ void (*tm_rsp_recv)(tm_tgtport_handle_t tgt_handle, IOCB_t *iocb);
+ void (*tm_hbq_alloc)(tm_sliport_handle_t tgt_slihandle,
+ struct tm_hbq_dmabuf *hbqbp);
+ uint32_t (*tm_sliport_init)(tm_sliport_handle_t lpfc_port_handle,
+ tm_sliport_info_t *sliport_info,
+ tm_sliport_handle_t *tgt_slihandle);
+ void (*tm_sliport_term)(tm_sliport_handle_t tgt_slihandle);
+ uint32_t (*tm_tgtport_bind_v2)(tm_sliport_handle_t tgt_slihandle,
+ tm_tgtport_handle_t base_handle,
+ tm_tgtport_info_t *portinfo,
+ tm_tgtport_handle_t *tgt_handle);
+ void (*tm_sliport_reset)(tm_sliport_handle_t tgt_slihandle);
+ void (*tm_hbq_free)(tm_sliport_handle_t tgt_slihandle,
+ struct tm_hbq_dmabuf *hbqbp);
+ uint32_t tm_num_hbq_buf;
+} tm_driver_data_t;
+
+/* function return codes */
+#define TM_RCD_SUCCESS 0
+#define TM_RCD_FAILURE 1
+#define TM_RCD_FULL 2
+#define TM_RCD_BUSY 3
+#define TM_RCD_INVALID 4
+
+uint32_t lpfc_tm_version(void);
+uint32_t lpfc_tm_init(tm_driver_data_t *tgt_data);
+void lpfc_tm_term(void);
+void lpfc_tm_tgtport_unbind(tm_tgtport_handle_t base_handle);
+uint32_t lpfc_tm_cmd_send(tm_sliport_handle_t lpfc_sliport_handle,
+ tm_tgtport_handle_t base_handle,
+ IOCB_t *iocb, uint32_t iocb_wd_len);
+void lpfc_tm_rsp_poll(tm_sliport_handle_t lpfc_port_handle,
+ uint32_t max_responses);
+void lpfc_tm_poll_set(tm_sliport_handle_t lpfc_port_handle,
+ uint32_t enable);
+void lpfc_tm_init_link(tm_tgtport_handle_t base_handle);
+int lpfc_sliport_term(tm_sliport_handle_t lpfc_port_handle);
+#endif /* _H_LPFC_TGT_API */
diff -upNr 4.1-rc7.orig/drivers/scsi/lpfc/lpfc_target_api_base.h 4.1-rc7/drivers/scsi/lpfc/lpfc_target_api_base.h
--- 4.1-rc7.orig/drivers/scsi/lpfc/lpfc_target_api_base.h 1970-01-01 01:00:00.000000000 +0100
+++ 4.1-rc7/drivers/scsi/lpfc/lpfc_target_api_base.h 2015-06-14 16:31:26.083541076 +0200
@@ -0,0 +1,45 @@
+/*******************************************************************
+ * This file is part of the Emulex Linux Device Driver for *
+ * Fibre Channel Host Bus Adapters. *
+ * Copyright (C) 2003-2008 Emulex. All rights reserved. *
+ * EMULEX and SLI are trademarks of Emulex. *
+ * www.emulex.com *
+ * *
+ * This program is free software; you can redistribute it and/or *
+ * modify it under the terms of version 2 of the GNU General *
+ * Public License as published by the Free Software Foundation. *
+ * This program is distributed in the hope that it will be useful. *
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
+ * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
+ * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
+ * TO BE LEGALLY INVALID. See the GNU General Public License for *
+ * more details, a copy of which can be found in the file COPYING *
+ * included with this package. *
+ *******************************************************************/
+#ifndef _H_LPFC_TGT_API_BASE
+#define _H_LPFC_TGT_API_BASE
+#define TARGET_RING 3
+#define RRTOV_TIME 30
+
+extern tm_driver_data_t *volatile lpfc_tgt_data;
+extern atomic_t bind_call_outstanding;
+
+typedef struct tm_tgtport_s {
+ volatile tm_tgtport_handle_t target_handle;
+ tm_tgtport_info_t info;
+ struct list_head list;
+ atomic_t calls_outstanding;
+} tm_tgtport_t;
+
+
+typedef struct tm_sliport_s {
+ tm_sliport_handle_t target_slihandle;
+ volatile uint32_t interrupt_callback_allowed;
+ atomic_t interrupt_in_progress;
+ tm_sliport_info_t info;
+ struct list_head list;
+ atomic_t calls_outstanding;
+} tm_sliport_t;
+
+#endif /* _H_LPFC_TGT_API_BASE */
diff -upNr 4.1-rc7.orig/drivers/scsi/lpfc/lpfc_target_protos.h 4.1-rc7/drivers/scsi/lpfc/lpfc_target_protos.h
--- 4.1-rc7.orig/drivers/scsi/lpfc/lpfc_target_protos.h 1970-01-01 01:00:00.000000000 +0100
+++ 4.1-rc7/drivers/scsi/lpfc/lpfc_target_protos.h 2015-06-14 16:31:26.083541076 +0200
@@ -0,0 +1,31 @@
+/*******************************************************************
+ * This file is part of the Emulex Linux Device Driver for *
+ * Fibre Channel Host Bus Adapters. *
+ * Copyright (C) 2003-2008 Emulex. All rights reserved. *
+ * EMULEX and SLI are trademarks of Emulex. *
+ * www.emulex.com *
+ * *
+ * This program is free software; you can redistribute it and/or *
+ * modify it under the terms of version 2 of the GNU General *
+ * Public License as published by the Free Software Foundation. *
+ * This program is distributed in the hope that it will be useful. *
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
+ * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
+ * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
+ * TO BE LEGALLY INVALID. See the GNU General Public License for *
+ * more details, a copy of which can be found in the file COPYING *
+ * included with this package. *
+ *******************************************************************/
+#ifndef _H_LPFC_TGT_PROTO
+#define _H_LPFC_TGT_PROTO
+void tm_check_duplicate_wwpn(struct lpfc_vport *, struct lpfc_nodelist *);
+
+uint32_t lpfc_target_new_tgtport(struct lpfc_vport *);
+uint32_t lpfc_target_rm_tgtport(struct lpfc_vport *);
+uint32_t lpfc_target_check_login(struct lpfc_vport *, struct lpfc_nodelist *);
+
+tm_login_handle_t tm_tgtport_login(struct lpfc_vport *, struct lpfc_nodelist *);
+void tm_tgtport_logout(struct lpfc_vport *, tm_login_handle_t);
+uint32_t tm_tgtport_chk_login(struct lpfc_vport *, tm_login_info_t *);
+#endif /* _H_LPFC_TGT_PROTO */
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