Date: Thu, 21 Sep 2006 12:20:04 -0400
From: Tom Coughlan <coughlan@redhat.com>
Subject: [RHEL 5 patch 3/3] Update FC transport and Emulex lpfc Fibre
Channel Driver
Add IOCTL to lpfc (updates rev. to 8.1.10.1)
diff -upN linux-2.6.17.i386/drivers/scsi/lpfc-stock/lpfc_crtn.h linux-2.6.17.i386/drivers/scsi/lpfc/lpfc_crtn.h
--- linux-2.6.17.i386/drivers/scsi/lpfc-stock/lpfc_crtn.h
+++ linux-2.6.17.i386/drivers/scsi/lpfc/lpfc_crtn.h
@@ -97,6 +97,10 @@ int lpfc_els_disc_adisc(struct lpfc_hba
int lpfc_els_disc_plogi(struct lpfc_hba *);
void lpfc_els_timeout(unsigned long);
void lpfc_els_timeout_handler(struct lpfc_hba *);
+struct lpfc_iocbq *lpfc_prep_els_iocb(struct lpfc_hba *, uint8_t expectRsp,
+ uint16_t, uint8_t,
+ struct lpfc_nodelist *,
+ uint32_t, uint32_t);
void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
struct lpfc_iocbq *);
@@ -204,6 +208,13 @@ void lpfc_get_hba_sym_node_name(struct l
void lpfc_terminate_rport_io(struct fc_rport *);
void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport);
+/* Initialize/Un-initialize char device */
+int lpfc_cdev_init(void);
+void lpfc_cdev_exit(void);
+void lpfcdfc_host_del (struct lpfcdfc_host *);
+struct lpfcdfc_host * lpfcdfc_host_add (struct pci_dev *, struct Scsi_Host *,
+ struct lpfc_hba *);
+
#define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
#define HBA_EVENT_RSCN 5
#define HBA_EVENT_LINK_UP 2
diff -upN linux-2.6.17.i386/drivers/scsi/lpfc-stock/lpfc_els.c linux-2.6.17.i386/drivers/scsi/lpfc/lpfc_els.c
--- linux-2.6.17.i386/drivers/scsi/lpfc-stock/lpfc_els.c
+++ linux-2.6.17.i386/drivers/scsi/lpfc/lpfc_els.c
@@ -96,7 +96,7 @@ lpfc_els_chk_latt(struct lpfc_hba * phba
}
-static struct lpfc_iocbq *
+struct lpfc_iocbq *
lpfc_prep_els_iocb(struct lpfc_hba * phba, uint8_t expectRsp,
uint16_t cmdSize, uint8_t retry, struct lpfc_nodelist * ndlp,
uint32_t did, uint32_t elscmd)
diff -upN linux-2.6.17.i386/drivers/scsi/lpfc-stock/lpfc.h linux-2.6.17.i386/drivers/scsi/lpfc/lpfc.h
--- linux-2.6.17.i386/drivers/scsi/lpfc-stock/lpfc.h
+++ linux-2.6.17.i386/drivers/scsi/lpfc/lpfc.h
@@ -20,7 +20,7 @@
*******************************************************************/
struct lpfc_sli2_slim;
-
+struct lpfcdfc_host;
#define LPFC_MAX_TARGET 256 /* max number of targets supported */
#define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els
@@ -388,6 +388,7 @@ struct lpfc_hba {
struct list_head rnidrspbuflist;
struct fc_host_statistics link_stats;
+ struct lpfcdfc_host *dfc_host;
};
diff -upN linux-2.6.17.i386/drivers/scsi/lpfc-stock/lpfc_hbadisc.c linux-2.6.17.i386/drivers/scsi/lpfc/lpfc_hbadisc.c
--- linux-2.6.17.i386/drivers/scsi/lpfc-stock/lpfc_hbadisc.c
+++ linux-2.6.17.i386/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -36,6 +36,7 @@
#include "lpfc.h"
#include "lpfc_logmsg.h"
#include "lpfc_crtn.h"
+#include "lpfc_ioctl.h"
/* AlpaArray for assignment of scsid for scan-down and bind_method */
static uint8_t lpfcAlpaArray[] = {
diff -upN linux-2.6.17.i386/drivers/scsi/lpfc-stock/lpfc_init.c linux-2.6.17.i386/drivers/scsi/lpfc/lpfc_init.c
--- linux-2.6.17.i386/drivers/scsi/lpfc-stock/lpfc_init.c
+++ linux-2.6.17.i386/drivers/scsi/lpfc/lpfc_init.c
@@ -41,6 +41,7 @@
#include "lpfc_logmsg.h"
#include "lpfc_crtn.h"
#include "lpfc_version.h"
+#include "lpfc_ioctl.h"
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 *);
@@ -1663,6 +1664,17 @@ lpfc_pci_probe_one(struct pci_dev *pdev,
phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
+ phba->dfc_host = lpfcdfc_host_add (pdev, host, phba);
+ if (!phba->dfc_host) {
+ lpfc_printf_log(phba,
+ KERN_ERR,
+ LOG_LIBDFC,
+ "%d:1201 Failed to allocate dfc_host \n",
+ phba->brd_no);
+ error = -ENOMEM;
+ goto out_free_irq;
+ }
+
error = lpfc_sli_hba_setup(phba);
if (error) {
error = -ENODEV;
@@ -1772,6 +1784,9 @@ lpfc_pci_remove_one(struct pci_dev *pdev
struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata;
unsigned long iflag;
+ lpfcdfc_host_del(phba->dfc_host);
+ phba->dfc_host = NULL;
+
lpfc_free_sysfs_attr(phba);
spin_lock_irqsave(phba->host->host_lock, iflag);
@@ -1904,8 +1919,18 @@ lpfc_init(void)
return -ENOMEM;
error = pci_register_driver(&lpfc_driver);
if (error)
- fc_release_transport(lpfc_transport_template);
+ goto out_release_transport;
+ error = lpfc_cdev_init();
+ if (error)
+ goto out_pci_unregister;
+
+ return error;
+
+out_pci_unregister:
+ pci_unregister_driver(&lpfc_driver);
+out_release_transport:
+ fc_release_transport(lpfc_transport_template);
return error;
}
@@ -1914,6 +1939,7 @@ lpfc_exit(void)
{
pci_unregister_driver(&lpfc_driver);
fc_release_transport(lpfc_transport_template);
+ lpfc_cdev_exit();
}
module_init(lpfc_init);
diff -upN linux-2.6.17.i386/drivers/scsi/lpfc-stock/lpfc_ioctl.c linux-2.6.17.i386/drivers/scsi/lpfc/lpfc_ioctl.c
--- linux-2.6.17.i386/drivers/scsi/lpfc-stock/lpfc_ioctl.c
+++ linux-2.6.17.i386/drivers/scsi/lpfc/lpfc_ioctl.c
@@ -0,0 +1,2445 @@
+/*******************************************************************
+ * This file is part of the Emulex Linux Device Driver for *
+ * Fibre Channel Host Bus Adapters. *
+ * Copyright (C) 2006 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/delay.h>
+#include <linux/blkdev.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_transport_fc.h>
+
+#include "lpfc_hw.h"
+#include "lpfc_sli.h"
+#include "lpfc_disc.h"
+#include "lpfc_scsi.h"
+#include "lpfc.h"
+#include "lpfc_crtn.h"
+#include "lpfc_ioctl.h"
+#include "lpfc_logmsg.h"
+
+
+struct lpfcdfc_event {
+ struct list_head node;
+ int ref;
+ wait_queue_head_t wq;
+
+ /* Event type and waiter identifiers */
+ uint32_t type_mask;
+ uint32_t req_id;
+ uint32_t reg_id;
+
+ /* next two flags are here for the auto-delete logic */
+ unsigned long wait_time_stamp;
+ int waiting;
+
+ /* seen and not seen events */
+ struct list_head events_to_get;
+ struct list_head events_to_see;
+};
+
+struct event_data {
+ struct list_head node;
+ uint32_t type;
+ uint32_t immed_dat;
+ void * data;
+ size_t len;
+};
+
+
+/* values for a_topology */
+#define LNK_LOOP 0x1
+#define LNK_PUBLIC_LOOP 0x2
+#define LNK_FABRIC 0x3
+#define LNK_PT2PT 0x4
+
+/* values for a_linkState */
+#define LNK_DOWN 0x1
+#define LNK_UP 0x2
+#define LNK_FLOGI 0x3
+#define LNK_DISCOVERY 0x4
+#define LNK_REDISCOVERY 0x5
+#define LNK_READY 0x6
+
+struct lpfcdfc_host {
+ struct list_head node;
+ int inst;
+ struct lpfc_hba * phba;
+ struct Scsi_Host * host;
+ struct pci_dev * dev;
+ void (*base_ct_unsol_event)(struct lpfc_hba *,
+ struct lpfc_sli_ring *,
+ struct lpfc_iocbq *);
+ /* Threads waiting for async event */
+ struct list_head ev_waiters;
+ uint32_t blocked;
+ uint32_t ref_count;
+};
+
+
+struct lpfc_timedout_iocb_ctxt {
+ struct lpfc_iocbq *rspiocbq;
+ struct lpfc_dmabuf *mp;
+ struct lpfc_dmabuf *bmp;
+ struct lpfc_scsi_buf *lpfc_cmd;
+ struct lpfc_dmabufext *outdmp;
+ struct lpfc_dmabufext *indmp;
+};
+
+struct lpfc_dmabufext {
+ struct lpfc_dmabuf dma;
+ uint32_t size;
+ uint32_t flag;
+};
+
+
+
+static struct lpfc_nodelist *
+lpfc_findnode_wwnn(struct lpfc_hba *, uint32_t,
+ struct lpfc_name *);
+static void lpfc_ioctl_timeout_iocb_cmpl(struct lpfc_hba *,
+ struct lpfc_iocbq *, struct lpfc_iocbq *);
+
+static struct lpfc_dmabufext *
+dfc_cmd_data_alloc(struct lpfc_hba *, char *,
+ struct ulp_bde64 *, uint32_t);
+static int dfc_cmd_data_free(struct lpfc_hba *, struct lpfc_dmabufext *);
+static int dfc_rsp_data_copy(struct lpfc_hba *, uint8_t *,
+ struct lpfc_dmabufext *,
+ uint32_t);
+static int lpfc_issue_ct_rsp(struct lpfc_hba *, uint32_t, struct lpfc_dmabuf *,
+ struct lpfc_dmabufext *);
+
+static struct lpfcdfc_host * lpfcdfc_host_from_hba(struct lpfc_hba *);
+
+static DEFINE_MUTEX(lpfcdfc_lock);
+
+static struct list_head lpfcdfc_hosts = LIST_HEAD_INIT(lpfcdfc_hosts);
+
+static int lpfcdfc_major = 0;
+
+static int
+lpfc_ioctl_hba_rnid(struct lpfc_hba * phba,
+ struct lpfcCmdInput * cip,
+ void *dataout)
+{
+
+ struct nport_id idn;
+ struct lpfc_sli *psli;
+ struct lpfc_iocbq *cmdiocbq = NULL;
+ struct lpfc_iocbq *rspiocbq = NULL;
+ RNID *prsp;
+ uint32_t *pcmd;
+ uint32_t *psta;
+ IOCB_t *rsp;
+ struct lpfc_sli_ring *pring;
+ void *context2;
+ int i0;
+ unsigned long iflag;
+ int rtnbfrsiz;
+ struct lpfc_nodelist *pndl;
+ int rc = 0;
+
+ psli = &phba->sli;
+ pring = &psli->ring[LPFC_ELS_RING];
+
+ if (copy_from_user((uint8_t *) &idn, (void __user *) cip->lpfc_arg1,
+ sizeof(struct nport_id))) {
+ rc = EIO;
+ return rc;
+ }
+
+ if (idn.idType == LPFC_WWNN_TYPE)
+ pndl = lpfc_findnode_wwnn(phba,
+ NLP_SEARCH_MAPPED | NLP_SEARCH_UNMAPPED,
+ (struct lpfc_name *) &idn);
+ else
+ pndl = lpfc_findnode_wwpn(phba,
+ NLP_SEARCH_MAPPED | NLP_SEARCH_UNMAPPED,
+ (struct lpfc_name *) &idn);
+
+ if (!pndl)
+ return ENODEV;
+
+ for (i0 = 0;
+ i0 < 10 && (pndl->nlp_flag & NLP_ELS_SND_MASK) == NLP_RNID_SND;
+ i0++) {
+ mdelay(1000);
+ }
+
+ if (i0 == 10) {
+ pndl->nlp_flag &= ~NLP_RNID_SND;
+ return EBUSY;
+ }
+
+ cmdiocbq = lpfc_prep_els_iocb(phba, 1, (2 * sizeof(uint32_t)), 0, pndl,
+ pndl->nlp_DID, ELS_CMD_RNID);
+ if (!cmdiocbq)
+ return ENOMEM;
+
+ /*
+ * Context2 is used by prep/free to locate cmd and rsp buffers,
+ * but context2 is also used by iocb_wait to hold a rspiocb ptr.
+ * The rsp iocbq can be returned from the completion routine for
+ * iocb_wait, so save the prep/free value locally . It will be
+ * restored after returning from iocb_wait.
+ */
+ context2 = cmdiocbq->context2;
+
+ spin_lock_irqsave(phba->host->host_lock, iflag);
+
+ if ((rspiocbq = lpfc_sli_get_iocbq(phba)) == NULL) {
+ rc = ENOMEM;
+ spin_unlock_irqrestore(phba->host->host_lock, iflag);
+ goto sndrndqwt;
+ }
+ rsp = &(rspiocbq->iocb);
+
+ pcmd = (uint32_t *) (((struct lpfc_dmabuf *) cmdiocbq->context2)->virt);
+ *pcmd++ = ELS_CMD_RNID;
+
+ memset((void *) pcmd, 0, sizeof (RNID));
+ ((RNID *) pcmd)->Format = 0;
+ ((RNID *) pcmd)->Format = RNID_TOPOLOGY_DISC;
+ cmdiocbq->context1 = NULL;
+ cmdiocbq->context2 = NULL;
+ cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC;
+
+ pndl->nlp_flag |= NLP_RNID_SND;
+ cmdiocbq->iocb.ulpTimeout = (phba->fc_ratov * 2) + 3 ;
+
+ rc = lpfc_sli_issue_iocb_wait(phba, pring, cmdiocbq, rspiocbq,
+ (phba->fc_ratov * 2) + LPFC_DRVR_TIMEOUT);
+ pndl->nlp_flag &= ~NLP_RNID_SND;
+ cmdiocbq->context2 = context2;
+
+ if (rc == IOCB_TIMEDOUT) {
+ lpfc_sli_release_iocbq(phba, rspiocbq);
+ cmdiocbq->context1 = NULL;
+ cmdiocbq->iocb_cmpl = lpfc_ioctl_timeout_iocb_cmpl;
+ spin_unlock_irqrestore(phba->host->host_lock, iflag);
+ return EIO;
+ }
+
+ spin_unlock_irqrestore(phba->host->host_lock, iflag);
+
+ if (rc != IOCB_SUCCESS) {
+ rc = EIO;
+ goto sndrndqwt;
+ }
+
+ if (rsp->ulpStatus == IOSTAT_SUCCESS) {
+ struct lpfc_dmabuf *buf_ptr1, *buf_ptr;
+ buf_ptr1 = (struct lpfc_dmabuf *)(cmdiocbq->context2);
+ buf_ptr = list_entry(buf_ptr1->list.next, struct lpfc_dmabuf,
+ list);
+ psta = (uint32_t*)buf_ptr->virt;
+ prsp = (RNID *) (psta + 1); /* then rnid response data */
+ rtnbfrsiz = prsp->CommonLen + prsp->SpecificLen +
+ sizeof (uint32_t);
+ memcpy((uint8_t *) dataout, (uint8_t *) psta, rtnbfrsiz);
+
+ if (rtnbfrsiz > cip->lpfc_outsz)
+ rtnbfrsiz = cip->lpfc_outsz;
+ if (copy_to_user
+ ((void __user *) cip->lpfc_arg2, (uint8_t *) & rtnbfrsiz,
+ sizeof (int)))
+ rc = EIO;
+ } else if (rsp->ulpStatus == IOSTAT_LS_RJT) {
+ uint8_t ls_rjt[8];
+ uint32_t *ls_rjtrsp;
+
+ ls_rjtrsp = (uint32_t*)(ls_rjt + 4);
+
+ /* construct the LS_RJT payload */
+ ls_rjt[0] = 0x01;
+ ls_rjt[1] = 0x00;
+ ls_rjt[2] = 0x00;
+ ls_rjt[3] = 0x00;
+
+ *ls_rjtrsp = be32_to_cpu(rspiocbq->iocb.un.ulpWord[4]);
+ rtnbfrsiz = 8;
+ memcpy((uint8_t *) dataout, (uint8_t *) ls_rjt, rtnbfrsiz);
+ if (copy_to_user
+ ((void __user *) cip->lpfc_arg2, (uint8_t *) & rtnbfrsiz,
+ sizeof (int)))
+ rc = EIO;
+ } else
+ rc = EACCES;
+
+sndrndqwt:
+ if (cmdiocbq)
+ lpfc_els_free_iocb(phba, cmdiocbq);
+
+ spin_lock_irqsave(phba->host->host_lock, iflag);
+
+ if (rspiocbq)
+ lpfc_sli_release_iocbq(phba, rspiocbq);
+
+ spin_unlock_irqrestore(phba->host->host_lock, iflag);
+ return rc;
+}
+
+static void
+lpfc_ioctl_timeout_iocb_cmpl(struct lpfc_hba * phba,
+ struct lpfc_iocbq * cmd_iocb_q,
+ struct lpfc_iocbq * rsp_iocb_q)
+{
+ struct lpfc_timedout_iocb_ctxt *iocb_ctxt = cmd_iocb_q->context1;
+
+ if (!iocb_ctxt) {
+ if (cmd_iocb_q->context2)
+ lpfc_els_free_iocb(phba, cmd_iocb_q);
+ else
+ lpfc_sli_release_iocbq(phba,cmd_iocb_q);
+ return;
+ }
+
+ if (iocb_ctxt->outdmp)
+ dfc_cmd_data_free(phba, iocb_ctxt->outdmp);
+
+ if (iocb_ctxt->indmp)
+ dfc_cmd_data_free(phba, iocb_ctxt->indmp);
+
+ if (iocb_ctxt->mp) {
+ lpfc_mbuf_free(phba,
+ iocb_ctxt->mp->virt,
+ iocb_ctxt->mp->phys);
+ kfree(iocb_ctxt->mp);
+ }
+
+ if (iocb_ctxt->bmp) {
+ lpfc_mbuf_free(phba,
+ iocb_ctxt->bmp->virt,
+ iocb_ctxt->bmp->phys);
+ kfree(iocb_ctxt->bmp);
+ }
+
+ lpfc_sli_release_iocbq(phba,cmd_iocb_q);
+
+ if (iocb_ctxt->rspiocbq)
+ lpfc_sli_release_iocbq(phba, iocb_ctxt->rspiocbq);
+
+ kfree(iocb_ctxt);
+}
+
+
+static int
+lpfc_ioctl_send_els(struct lpfc_hba * phba,
+ struct lpfcCmdInput * cip, void *dataout)
+{
+ struct lpfc_sli *psli = &phba->sli;
+ struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING];
+ struct lpfc_iocbq *cmdiocbq, *rspiocbq;
+ struct lpfc_dmabufext *pcmdext = NULL, *prspext = NULL;
+ struct lpfc_nodelist *pndl;
+ struct ulp_bde64 *bpl;
+ IOCB_t *rsp;
+ struct lpfc_dmabuf *pcmd, *prsp, *pbuflist = NULL;
+ unsigned long iflag;
+ uint16_t rpi = 0;
+ uint16_t new_pndl = 0;
+ struct nport_id destID;
+ int rc = 0;
+ uint32_t cmdsize;
+ uint32_t rspsize;
+ uint32_t elscmd;
+
+ elscmd = *(uint32_t *)cip->lpfc_arg2;
+ cmdsize = cip->lpfc_arg4;
+ rspsize = cip->lpfc_outsz;
+
+ if (copy_from_user((uint8_t *)&destID, (void __user *)cip->lpfc_arg1,
+ sizeof(struct nport_id)))
+ return EIO;
+
+ if ((rspiocbq = lpfc_sli_get_iocbq(phba)) == NULL)
+ return ENOMEM;
+
+ rsp = &rspiocbq->iocb;
+
+ if (destID.idType == 0)
+ pndl = lpfc_findnode_wwpn(phba, NLP_SEARCH_ALL,
+ (struct lpfc_name *)&destID.wwpn);
+ else {
+ destID.d_id = (destID.d_id & Mask_DID);
+ pndl = lpfc_findnode_did(phba, NLP_SEARCH_ALL, destID.d_id);
+ }
+
+ if (pndl == NULL) {
+ if (destID.idType == 0) {
+ spin_lock_irqsave(phba->host->host_lock, iflag);
+ lpfc_sli_release_iocbq(phba, rspiocbq);
+ spin_unlock_irqrestore(phba->host->host_lock, iflag);
+ return ENODEV;
+ }
+ pndl = kmalloc(sizeof (struct lpfc_nodelist), GFP_KERNEL);
+ if (!pndl) {
+ spin_lock_irqsave(phba->host->host_lock, iflag);
+ lpfc_sli_release_iocbq(phba, rspiocbq);
+ spin_unlock_irqrestore(phba->host->host_lock, iflag);
+ return ENODEV;
+ }
+ lpfc_nlp_init(phba, pndl, destID.d_id);
+ new_pndl = 1;
+ } else
+ rpi = pndl->nlp_rpi;
+
+
+ cmdiocbq = lpfc_prep_els_iocb(phba, 1, cmdsize, 0, pndl,
+ pndl->nlp_DID, elscmd);
+
+ if (new_pndl)
+ kfree(pndl);
+
+ if (cmdiocbq == NULL) {
+ lpfc_sli_release_iocbq(phba, rspiocbq);
+ return EIO;
+ }
+
+ pcmd = (struct lpfc_dmabuf *) cmdiocbq->context2;
+ prsp = (struct lpfc_dmabuf *) pcmd->list.next;
+
+ /*
+ * If we exceed the size of the allocated mbufs we need to
+ * free them and allocate our own.
+ */
+ if ((cmdsize > LPFC_BPL_SIZE) || (rspsize > LPFC_BPL_SIZE)) {
+ lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys);
+ kfree(pcmd);
+ lpfc_mbuf_free(phba, prsp->virt, prsp->phys);
+ kfree(prsp);
+ cmdiocbq->context2 = NULL;
+
+ pbuflist = (struct lpfc_dmabuf *) cmdiocbq->context3;
+ bpl = (struct ulp_bde64 *) pbuflist->virt;
+ pcmdext = dfc_cmd_data_alloc(phba, cip->lpfc_arg2,
+ bpl, cmdsize);
+ if (!pcmdext) {
+ lpfc_els_free_iocb(phba, cmdiocbq);
+ spin_lock_irqsave(phba->host->host_lock, iflag);
+ lpfc_sli_release_iocbq(phba, rspiocbq);
+ spin_unlock_irqrestore(phba->host->host_lock, iflag);
+ return ENOMEM;
+ }
+ bpl += pcmdext->flag;
+ prspext = dfc_cmd_data_alloc(phba, NULL, bpl, rspsize);
+ if (!prspext) {
+ dfc_cmd_data_free(phba, pcmdext);
+ lpfc_els_free_iocb(phba, cmdiocbq);
+ spin_lock_irqsave(phba->host->host_lock, iflag);
+ lpfc_sli_release_iocbq(phba, rspiocbq);
+ spin_unlock_irqrestore(phba->host->host_lock, iflag);
+ return ENOMEM;
+ }
+ } else {
+ /* Copy the command from user space */
+ if (copy_from_user((uint8_t *) pcmd->virt,
+ (void __user *) cip->lpfc_arg2,
+ cmdsize)) {
+ lpfc_els_free_iocb(phba, cmdiocbq);
+ spin_lock_irqsave(phba->host->host_lock, iflag);
+ lpfc_sli_release_iocbq(phba, rspiocbq);
+ spin_unlock_irqrestore(phba->host->host_lock, iflag);
+ return EIO;
+ }
+ }
+
+ cmdiocbq->iocb.ulpContext = rpi;
+ cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC;
+ cmdiocbq->context1 = NULL;
+ cmdiocbq->context2 = NULL;
+
+ spin_lock_irqsave(phba->host->host_lock, iflag);
+ rc = lpfc_sli_issue_iocb_wait(phba, pring, cmdiocbq, rspiocbq,
+ (phba->fc_ratov*2) + LPFC_DRVR_TIMEOUT);
+
+ spin_unlock_irqrestore(phba->host->host_lock, iflag);
+ if (rc == IOCB_SUCCESS) {
+ if (rsp->ulpStatus == IOSTAT_SUCCESS) {
+ if (rspsize < (rsp->un.ulpWord[0] & 0xffffff)) {
+ rc = ERANGE;
+ } else {
+ rspsize = rsp->un.ulpWord[0] & 0xffffff;
+ if (pbuflist) {
+ if (dfc_rsp_data_copy(
+ phba,
+ (uint8_t *) cip->lpfc_dataout,
+ prspext,
+ rspsize)) {
+ rc = EIO;
+ } else {
+ cip->lpfc_outsz = 0;
+ }
+ } else {
+ if (copy_to_user( (void __user *)
+ cip->lpfc_dataout,
+ (uint8_t *) prsp->virt,
+ rspsize)) {
+ rc = EIO;
+ } else {
+ cip->lpfc_outsz = 0;
+ }
+ }
+ }
+ } else if (rsp->ulpStatus == IOSTAT_LS_RJT) {
+ uint8_t ls_rjt[8];
+
+ /* construct the LS_RJT payload */
+ ls_rjt[0] = 0x01;
+ ls_rjt[1] = 0x00;
+ ls_rjt[2] = 0x00;
+ ls_rjt[3] = 0x00;
+ memcpy(&ls_rjt[4], (uint8_t *) &rsp->un.ulpWord[4],
+ sizeof(uint32_t));
+
+ if (rspsize < 8)
+ rc = ERANGE;
+ else
+ rspsize = 8;
+
+ memcpy(dataout, ls_rjt, rspsize);
+ } else
+ rc = EIO;
+
+ if (copy_to_user((void __user *)cip->lpfc_arg3,
+ (uint8_t *)&rspsize, sizeof(uint32_t)))
+ rc = EIO;
+ } else {
+ rc = EIO;
+ }
+
+ if (pbuflist) {
+ dfc_cmd_data_free(phba, pcmdext);
+ dfc_cmd_data_free(phba, prspext);
+ } else
+ cmdiocbq->context2 = (uint8_t *) pcmd;
+
+ lpfc_els_free_iocb(phba, cmdiocbq);
+ spin_lock_irqsave(phba->host->host_lock, iflag);
+ lpfc_sli_release_iocbq(phba, rspiocbq);
+ spin_unlock_irqrestore(phba->host->host_lock, iflag);
+ return rc;
+}
+
+static int
+lpfc_ioctl_send_mgmt_rsp(struct lpfc_hba * phba,
+ struct lpfcCmdInput * cip)
+{
+ struct ulp_bde64 *bpl;
+ struct lpfc_dmabuf *bmp = NULL;
+ struct lpfc_dmabufext *indmp = NULL;
+ uint32_t tag = (uint32_t)cip->lpfc_flag; /* XRI for XMIT_SEQUENCE */
+ unsigned long reqbfrcnt = (unsigned long)cip->lpfc_arg2;
+ int rc = 0;
+ unsigned long iflag;
+
+ if (!reqbfrcnt || (reqbfrcnt > (80 * 4096))) {
+ rc = ERANGE;
+ return rc;
+ }
+
+ bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
+ if (!bmp) {
+ rc = ENOMEM;
+ goto send_mgmt_rsp_exit;
+ }
+ spin_lock_irqsave(phba->host->host_lock, iflag);
+ bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys);
+ spin_unlock_irqrestore(phba->host->host_lock, iflag); /* remove */
+ if (!bmp->virt) {
+ rc = ENOMEM;
+ goto send_mgmt_rsp_free_bmp;
+ }
+
+ INIT_LIST_HEAD(&bmp->list);
+ bpl = (struct ulp_bde64 *) bmp->virt;
+
+ indmp = dfc_cmd_data_alloc(phba, cip->lpfc_arg1, bpl, reqbfrcnt);
+ if (!indmp) {
+ rc = ENOMEM;
+ goto send_mgmt_rsp_free_bmpvirt;
+ }
+ rc = lpfc_issue_ct_rsp(phba, tag, bmp, indmp);
+ if (rc) {
+ if (rc == IOCB_TIMEDOUT)
+ rc = ETIMEDOUT;
+ else if (rc == IOCB_ERROR)
+ rc = EACCES;
+ }
+
+ dfc_cmd_data_free(phba, indmp);
+send_mgmt_rsp_free_bmpvirt:
+ lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
+send_mgmt_rsp_free_bmp:
+ kfree(bmp);
+send_mgmt_rsp_exit:
+ return rc;
+}
+
+static int
+lpfc_ioctl_send_mgmt_cmd(struct lpfc_hba * phba,
+ struct lpfcCmdInput * cip, void *dataout)
+{
+ struct lpfc_nodelist *pndl = NULL;
+ struct ulp_bde64 *bpl = NULL;
+ struct lpfc_name findwwn;
+ uint32_t finddid, timeout;
+ struct lpfc_iocbq *cmdiocbq = NULL, *rspiocbq = NULL;
+ struct lpfc_dmabufext *indmp = NULL, *outdmp = NULL;
+ IOCB_t *cmd = NULL, *rsp = NULL;
+ struct lpfc_dmabuf *bmp = NULL;
+ struct lpfc_sli *psli = NULL;
+ struct lpfc_sli_ring *pring = NULL;
+ int i0 = 0, rc = 0, reqbfrcnt, snsbfrcnt;
+ struct lpfc_timedout_iocb_ctxt *iocb_ctxt;
+
+ psli = &phba->sli;
+ pring = &psli->ring[LPFC_ELS_RING];
+
+ if (!(psli->sli_flag & LPFC_SLI2_ACTIVE)) {
+ rc = EACCES;
+ goto send_mgmt_cmd_exit;
+ }
+
+ reqbfrcnt = cip->lpfc_arg4;
+ snsbfrcnt = cip->lpfc_arg5;
+
+ if (!reqbfrcnt || !snsbfrcnt || (reqbfrcnt + snsbfrcnt > 80 * 4096)) {
+ rc = ERANGE;
+ goto send_mgmt_cmd_exit;
+ }
+
+
+ if (cip->lpfc_cmd == LPFC_HBA_SEND_MGMT_CMD) {
+ rc = copy_from_user(&findwwn, (void __user *)cip->lpfc_arg3,
+ sizeof(struct lpfc_name));
+ if (rc) {
+ rc = EIO;
+ goto send_mgmt_cmd_exit;
+ }
+ pndl = lpfc_findnode_wwpn(phba, NLP_SEARCH_MAPPED |
+ NLP_SEARCH_UNMAPPED, &findwwn);
+ } else {
+ finddid = (uint32_t)(unsigned long)cip->lpfc_arg3;
+ pndl = lpfc_findnode_did(phba, NLP_SEARCH_MAPPED |
+ NLP_SEARCH_UNMAPPED, finddid);
+ if (!pndl) {
+ if (phba->fc_flag & FC_FABRIC) {
+ pndl = kmalloc(sizeof (struct lpfc_nodelist),
+ GFP_KERNEL);
+ if (!pndl) {
+ rc = ENODEV;
+ goto send_mgmt_cmd_exit;
+ }
+
+ memset(pndl, 0, sizeof (struct lpfc_nodelist));
+ pndl->nlp_DID = finddid;
+ lpfc_nlp_init(phba, pndl, finddid);
+ pndl->nlp_state = NLP_STE_PLOGI_ISSUE;
+ lpfc_nlp_list(phba, pndl, NLP_PLOGI_LIST);
+ if (lpfc_issue_els_plogi(phba,
+ pndl->nlp_DID, 0)) {
+ lpfc_nlp_list(phba, pndl, NLP_JUST_DQ);
+ kfree(pndl);
+ rc = ENODEV;
+ goto send_mgmt_cmd_exit;
+ }
+
+ /* Allow the node to complete discovery */
+ while ((i0++ < 4) &&
+ ! (pndl = lpfc_findnode_did(phba,
+ NLP_SEARCH_MAPPED |
+ NLP_SEARCH_UNMAPPED,
+ finddid))) {
+ msleep(500);
+ }
+
+ if (i0 == 4) {
+ rc = ENODEV;
+ goto send_mgmt_cmd_exit;
+ }
+ }
+ else {
+ rc = ENODEV;
+ goto send_mgmt_cmd_exit;
+ }
+ }
+ }
+
+ if (!pndl) {
+ rc = ENODEV;
+ goto send_mgmt_cmd_exit;
+ }
+
+ if (pndl->nlp_flag & NLP_ELS_SND_MASK) {
+ rc = ENODEV;
+ goto send_mgmt_cmd_exit;
+ }
+
+ spin_lock_irq(phba->host->host_lock);
+ cmdiocbq = lpfc_sli_get_iocbq(phba);
+ if (!cmdiocbq) {
+ rc = ENOMEM;
+ spin_unlock_irq(phba->host->host_lock);
+ goto send_mgmt_cmd_exit;
+ }
+ cmd = &cmdiocbq->iocb;
+
+ rspiocbq = lpfc_sli_get_iocbq(phba);
+ if (!rspiocbq) {
+ rc = ENOMEM;
+ goto send_mgmt_cmd_free_cmdiocbq;
+ }
+ spin_unlock_irq(phba->host->host_lock);
+
+ rsp = &rspiocbq->iocb;
+
+ bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
+ if (!bmp) {
+ rc = ENOMEM;
+ spin_lock_irq(phba->host->host_lock);
+ goto send_mgmt_cmd_free_rspiocbq;
+ }
+
+ spin_lock_irq(phba->host->host_lock);
+ bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys);
+ if (!bmp->virt) {
+ rc = ENOMEM;
+ goto send_mgmt_cmd_free_bmp;
+ }
+ spin_unlock_irq(phba->host->host_lock);
+
+ INIT_LIST_HEAD(&bmp->list);
+ bpl = (struct ulp_bde64 *) bmp->virt;
+ indmp = dfc_cmd_data_alloc(phba, cip->lpfc_arg1, bpl, reqbfrcnt);
+ if (!indmp) {
+ rc = ENOMEM;
+ spin_lock_irq(phba->host->host_lock);
+ goto send_mgmt_cmd_free_bmpvirt;
+ }
+
+ /* flag contains total number of BPLs for xmit */
+ bpl += indmp->flag;
+
+ outdmp = dfc_cmd_data_alloc(phba, NULL, bpl, snsbfrcnt);
+ if (!outdmp) {
+ rc = ENOMEM;
+ spin_lock_irq(phba->host->host_lock);
+ goto send_mgmt_cmd_free_indmp;
+ }
+
+ cmd->un.genreq64.bdl.ulpIoTag32 = 0;
+ cmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
+ cmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
+ cmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BDL;
+ cmd->un.genreq64.bdl.bdeSize =
+ (outdmp->flag + indmp->flag) * sizeof (struct ulp_bde64);
+ cmd->ulpCommand = CMD_GEN_REQUEST64_CR;
+ cmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
+ cmd->un.genreq64.w5.hcsw.Dfctl = 0;
+ cmd->un.genreq64.w5.hcsw.Rctl = FC_UNSOL_CTL;
+ cmd->un.genreq64.w5.hcsw.Type = FC_COMMON_TRANSPORT_ULP;
+ cmd->ulpBdeCount = 1;
+ cmd->ulpLe = 1;
+ cmd->ulpClass = CLASS3;
+ cmd->ulpContext = pndl->nlp_rpi;
+ cmd->ulpOwner = OWN_CHIP;
+ cmdiocbq->context1 = NULL;
+ cmdiocbq->context2 = NULL;
+ cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC;
+
+ if (cip->lpfc_flag == 0 )
+ timeout = phba->fc_ratov * 2 ;
+ else
+ timeout = cip->lpfc_flag;
+
+ cmd->ulpTimeout = timeout;
+
+ spin_lock_irq(phba->host->host_lock);
+ rc = lpfc_sli_issue_iocb_wait(phba, pring, cmdiocbq, rspiocbq,
+ timeout + LPFC_DRVR_TIMEOUT);
+ spin_unlock_irq(phba->host->host_lock);
+
+ if (rc == IOCB_TIMEDOUT) {
+ spin_lock_irq(phba->host->host_lock);
+ lpfc_sli_release_iocbq(phba, rspiocbq);
+ spin_unlock_irq(phba->host->host_lock);
+ iocb_ctxt = kmalloc(sizeof(struct lpfc_timedout_iocb_ctxt),
+ GFP_KERNEL);
+ if (!iocb_ctxt)
+ return EACCES;
+
+ cmdiocbq->context1 = iocb_ctxt;
+ cmdiocbq->context2 = NULL;
+ iocb_ctxt->rspiocbq = NULL;
+ iocb_ctxt->mp = NULL;
+ iocb_ctxt->bmp = bmp;
+ iocb_ctxt->outdmp = outdmp;
+ iocb_ctxt->lpfc_cmd = NULL;
+ iocb_ctxt->indmp = indmp;
+
+ cmdiocbq->iocb_cmpl = lpfc_ioctl_timeout_iocb_cmpl;
+ return EACCES;
+ }
+
+ if (rc != IOCB_SUCCESS) {
+ rc = EACCES;
+ goto send_mgmt_cmd_free_outdmp;
+ }
+
+ if (rsp->ulpStatus) {
+ if (rsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
+ switch (rsp->un.ulpWord[4] & 0xff) {
+ case IOERR_SEQUENCE_TIMEOUT:
+ rc = ETIMEDOUT;
+ break;
+ case IOERR_INVALID_RPI:
+ rc = EFAULT;
+ break;
+ default:
+ rc = EACCES;
+ break;
+ }
+ goto send_mgmt_cmd_free_outdmp;
+ }
+ } else
+ outdmp->flag = rsp->un.genreq64.bdl.bdeSize;
+
+ /* Copy back response data */
+ if (outdmp->flag > snsbfrcnt) {
+ rc = ERANGE;
+ lpfc_printf_log(phba,
+ KERN_INFO,
+ LOG_LIBDFC,
+ "%d:1209 C_CT Request error Data: x%x x%x\n",
+ phba->brd_no,
+ outdmp->flag, 4096);
+ goto send_mgmt_cmd_free_outdmp;
+ }
+
+ /* copy back size of response, and response itself */
+ memcpy(dataout, &outdmp->flag, sizeof (int));
+ rc = dfc_rsp_data_copy (phba, cip->lpfc_arg2, outdmp, outdmp->flag);
+ if (rc)
+ rc = EIO;
+
+send_mgmt_cmd_free_outdmp:
+ spin_lock_irq(phba->host->host_lock);
+ dfc_cmd_data_free(phba, outdmp);
+send_mgmt_cmd_free_indmp:
+ dfc_cmd_data_free(phba, indmp);
+send_mgmt_cmd_free_bmpvirt:
+ lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
+send_mgmt_cmd_free_bmp:
+ kfree(bmp);
+send_mgmt_cmd_free_rspiocbq:
+ lpfc_sli_release_iocbq(phba, rspiocbq);
+send_mgmt_cmd_free_cmdiocbq:
+ lpfc_sli_release_iocbq(phba, cmdiocbq);
+ spin_unlock_irq(phba->host->host_lock);
+send_mgmt_cmd_exit:
+ return rc;
+}
+
+static inline struct lpfcdfc_event *
+lpfcdfc_event_new(uint32_t ev_mask,
+ int ev_reg_id,
+ uint32_t ev_req_id)
+{
+ struct lpfcdfc_event * evt = kzalloc(sizeof(*evt), GFP_KERNEL);
+ if (evt == NULL)
+ return NULL;
+
+ INIT_LIST_HEAD(&evt->events_to_get);
+ INIT_LIST_HEAD(&evt->events_to_see);
+ evt->type_mask = ev_mask;
+ evt->req_id = ev_req_id;
+ evt->reg_id = ev_reg_id;
+ evt->wait_time_stamp = jiffies;
+ init_waitqueue_head(&evt->wq);
+
+ return evt;
+}
+
+static inline void lpfcdfc_event_free(struct lpfcdfc_event * evt)
+{
+ struct event_data * ed;
+
+ list_del(&evt->node);
+
+ while(!list_empty(&evt->events_to_get)) {
+ ed = list_entry(evt->events_to_get.next, typeof(*ed), node);
+ list_del(&ed->node);
+ if(ed->data != NULL)
+ kfree(ed->data);
+ kfree(ed);
+ }
+
+ while(!list_empty(&evt->events_to_see)) {
+ ed = list_entry(evt->events_to_see.next, typeof(*ed), node);
+ list_del(&ed->node);
+ if(ed->data != NULL)
+ kfree(ed->data);
+ kfree(ed);
+ }
+
+ kfree(evt);
+}
+
+#define lpfcdfc_event_ref(evt) evt->ref++
+
+#define lpfcdfc_event_unref(evt) \
+ if (--evt->ref < 0) \
+ lpfcdfc_event_free(evt);
+
+static int
+lpfc_ioctl_hba_get_event(struct lpfc_hba * phba,
+ struct lpfcCmdInput * cip,
+ void *dataout, int data_size)
+{
+ uint32_t ev_mask = ((uint32_t)(unsigned long)cip->lpfc_arg3 &
+ FC_REG_EVENT_MASK);
+ int ev_reg_id = (uint32_t) cip->lpfc_flag;
+ uint32_t ev_req_id = 0;
+ struct lpfcdfc_host * dfchba;
+ struct lpfcdfc_event * evt;
+ struct event_data * evt_dat = NULL;
+ int ret_val = 0;
+
+ /* All other events supported through NET_LINK_EVENTs */
+ if (ev_mask != FC_REG_CT_EVENT)
+ return ENOENT;
+
+ mutex_lock(&lpfcdfc_lock);
+ list_for_each_entry(dfchba, &lpfcdfc_hosts, node)
+ if (dfchba->phba == phba)
+ break;
+ mutex_unlock(&lpfcdfc_lock);
+
+ BUG_ON(&dfchba->node == &lpfcdfc_hosts);
+
+ if ((ev_mask == FC_REG_CT_EVENT) &&
+ copy_from_user(&ev_req_id, (void __user *)cip->lpfc_arg2,
+ sizeof (uint32_t)))
+ return EIO;
+
+ mutex_lock(&lpfcdfc_lock);
+ list_for_each_entry(evt, &dfchba->ev_waiters, node)
+ if (evt->reg_id == ev_reg_id) {
+ if(list_empty(&evt->events_to_get))
+ break;
+ lpfcdfc_event_ref(evt);
+ evt->wait_time_stamp = jiffies;
+ evt_dat = list_entry(evt->events_to_get.prev,
+ struct event_data, node);
+ list_del(&evt_dat->node);
+ break;
+ }
+ mutex_unlock(&lpfcdfc_lock);
+
+ if (evt_dat == NULL)
+ return ENOENT;
+
+ BUG_ON((ev_mask & evt_dat->type) == 0);
+
+ if (evt_dat->len > cip->lpfc_outsz)
+ evt_dat->len = cip->lpfc_outsz;
+
+ if (copy_to_user(cip->lpfc_arg2, &evt_dat->immed_dat,
+ sizeof (uint32_t)) ||
+ copy_to_user((void __user *)cip->lpfc_arg1, &evt_dat->len,
+ sizeof (uint32_t))) {
+ ret_val = EIO;
+ goto error_get_event_exit;
+ }
+
+ if(evt_dat->len > 0)
+ memcpy(dataout, evt_dat->data, evt_dat->len);
+
+ ret_val = 0;
+
+error_get_event_exit:
+
+ kfree(evt_dat);
+ mutex_lock(&lpfcdfc_lock);
+ lpfcdfc_event_unref(evt);
+ mutex_unlock(&lpfcdfc_lock);
+
+ return ret_val;
+}
+
+static int
+lpfc_ioctl_hba_set_event(struct lpfc_hba * phba,
+ struct lpfcCmdInput * cip)
+{
+ uint32_t ev_mask = ((uint32_t)(unsigned long)cip->lpfc_arg3 &
+ FC_REG_EVENT_MASK);
+ int ev_reg_id = cip->lpfc_flag;
+ uint32_t ev_req_id = 0;
+
+ struct lpfcdfc_host * dfchba;
+ struct lpfcdfc_event * evt;
+
+ int ret_val = 0;
+
+ /* All other events supported through NET_LINK_EVENTs */
+ if (ev_mask != FC_REG_CT_EVENT)
+ return ENOENT;
+
+ mutex_lock(&lpfcdfc_lock);
+ list_for_each_entry(dfchba, &lpfcdfc_hosts, node) {
+ if (dfchba->phba == phba)
+ break;
+ }
+ mutex_unlock(&lpfcdfc_lock);
+ BUG_ON(&dfchba->node == &lpfcdfc_hosts);
+
+ if (ev_mask == FC_REG_CT_EVENT)
+ ev_req_id = ((uint32_t)(unsigned long)cip->lpfc_arg2);
+
+ mutex_lock(&lpfcdfc_lock);
+ list_for_each_entry(evt, &dfchba->ev_waiters, node) {
+ if (evt->reg_id == ev_reg_id) {
+ lpfcdfc_event_ref(evt);
+ evt->wait_time_stamp = jiffies;
+ break;
+ }
+ }
+ mutex_unlock(&lpfcdfc_lock);
+
+ if (&evt->node == &dfchba->ev_waiters) {
+ /* no event waiting struct yet - first call */
+ evt = lpfcdfc_event_new(ev_mask, ev_reg_id, ev_req_id);
+ if (evt == NULL)
+ return ENOMEM;
+
+ mutex_lock(&lpfcdfc_lock);
+ list_add(&evt->node, &dfchba->ev_waiters);
+ lpfcdfc_event_ref(evt);
+ mutex_unlock(&lpfcdfc_lock);
+ }
+
+ evt->waiting = 1;
+ if (wait_event_interruptible(evt->wq,
+ !list_empty(&evt->events_to_see))) {
+ mutex_lock(&lpfcdfc_lock);
+ lpfcdfc_event_unref(evt); /* release ref */
+ lpfcdfc_event_unref(evt); /* delete */
+ mutex_unlock(&lpfcdfc_lock);
+ return EINTR;
+ }
+
+ evt->wait_time_stamp = jiffies;
+ evt->waiting = 0;
+
+ BUG_ON(list_empty(&evt->events_to_see));
+
+ mutex_lock(&lpfcdfc_lock);
+ list_move(evt->events_to_see.prev, &evt->events_to_get);
+ lpfcdfc_event_unref(evt); /* release ref */
+ mutex_unlock(&lpfcdfc_lock);
+
+ return ret_val;
+}
+
+static int
+lpfc_ioctl_loopback_mode(struct lpfc_hba *phba,
+ struct lpfcCmdInput *cip, void *dataout)
+{
+ struct lpfc_sli *psli = &phba->sli;
+ struct lpfc_sli_ring *pring = &psli->ring[LPFC_FCP_RING];
+ uint32_t link_flags = cip->lpfc_arg4;
+ uint32_t timeout = cip->lpfc_arg5 * 100;
+ LPFC_MBOXQ_t *pmboxq;
+ int mbxstatus;
+ int i = 0;
+ int rc = 0;
+
+ if ((phba->hba_state == LPFC_HBA_ERROR) ||
+ (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
+ return EACCES;
+
+ if ((pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL)) == 0)
+ return ENOMEM;
+
+ scsi_block_requests(phba->host);
+
+ while (pring->txcmplq_cnt) {
+ if (i++ > 500) /* wait up to 5 seconds */
+ break;
+
+ mdelay(10);
+ }
+
+ memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
+ pmboxq->mb.mbxCommand = MBX_DOWN_LINK;
+ pmboxq->mb.mbxOwner = OWN_HOST;
+
+ mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO);
+
+ if ((mbxstatus == MBX_SUCCESS) && (pmboxq->mb.mbxStatus == 0)) {
+
+ /* wait for link down before proceeding */
+ i = 0;
+ while (phba->hba_state != LPFC_LINK_DOWN) {
+ if (i++ > timeout) {
+ rc = ETIMEDOUT;
+ goto loopback_mode_exit;
+ }
+ msleep(10);
+ }
+
+ memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
+ if (link_flags == INTERNAL_LOOP_BACK)
+ pmboxq->mb.un.varInitLnk.link_flags = FLAGS_LOCAL_LB;
+ else
+ pmboxq->mb.un.varInitLnk.link_flags =
+ FLAGS_TOPOLOGY_MODE_LOOP;
+
+ pmboxq->mb.mbxCommand = MBX_INIT_LINK;
+ pmboxq->mb.mbxOwner = OWN_HOST;
+
+ mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq,
+ LPFC_MBOX_TMO);
+
+ if ((mbxstatus != MBX_SUCCESS) || (pmboxq->mb.mbxStatus))
+ rc = ENODEV;
+ else {
+ /* wait for the link attention interrupt */
+ msleep(100);
+
+ i = 0;
+ while (phba->hba_state != LPFC_HBA_READY) {
+ if (i++ > timeout) {
+ rc = ETIMEDOUT;
+ break;
+ }
+ msleep(10);
+ }
+ }
+ } else
+ rc = ENODEV;
+
+loopback_mode_exit:
+ scsi_unblock_requests(phba->host);
+
+ /*
+ * Let SLI layer release mboxq if mbox command completed after timeout.
+ */
+ if (mbxstatus == MBX_TIMEOUT)
+ pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+ else
+ mempool_free( pmboxq, phba->mbox_mem_pool);
+
+ return rc;
+}
+
+static int lpfcdfc_loop_self_reg(struct lpfc_hba *phba, uint16_t * rpi)
+{
+ LPFC_MBOXQ_t *mbox;
+ struct lpfc_dmabuf *dmabuff;
+ int status;
+
+ mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (mbox == NULL)
+ return ENOMEM;
+
+ status = lpfc_reg_login(phba, phba->fc_myDID,
+ (uint8_t *)&phba->fc_sparam, mbox, 0);
+ if (status) {
+ mempool_free(mbox, phba->mbox_mem_pool);
+ return ENOMEM;
+ }
+
+ dmabuff = (struct lpfc_dmabuf *) mbox->context1;
+ mbox->context1 = NULL;
+ status = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO);
+
+ if ((status != MBX_SUCCESS) || (mbox->mb.mbxStatus)) {
+ lpfc_mbuf_free(phba, dmabuff->virt, dmabuff->phys);
+ kfree(dmabuff);
+ mempool_free(mbox, phba->mbox_mem_pool);
+ return ENODEV;
+ }
+
+ *rpi = mbox->mb.un.varWords[0];
+
+ lpfc_mbuf_free(phba, dmabuff->virt, dmabuff->phys);
+ kfree(dmabuff);
+ mempool_free(mbox, phba->mbox_mem_pool);
+
+ return 0;
+}
+
+static int lpfcdfc_loop_self_unreg(struct lpfc_hba *phba, uint16_t rpi)
+{
+ LPFC_MBOXQ_t * mbox;
+ int status;
+
+ /* Allocate mboxq structure */
+ mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (mbox == NULL)
+ return ENOMEM;
+
+ lpfc_unreg_login(phba, rpi, mbox);
+ status = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO);
+
+ if ((status != MBX_SUCCESS) || (mbox->mb.mbxStatus)) {
+ if (status == MBX_TIMEOUT)
+ mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+ else
+ mempool_free(mbox, phba->mbox_mem_pool);
+ return EIO;
+ }
+
+ mempool_free(mbox, phba->mbox_mem_pool);
+ return 0;
+}
+
+
+static int lpfcdfc_loop_get_xri(struct lpfc_hba *phba, uint16_t rpi,
+ uint16_t *txxri, uint16_t * rxxri)
+{
+ struct lpfc_sli *psli = &phba->sli;
+ struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING];
+
+ struct lpfcdfc_host * dfchba;
+ struct lpfcdfc_event * evt;
+
+ struct lpfc_iocbq *cmdiocbq, *rspiocbq;
+ IOCB_t *cmd, *rsp;
+
+ struct lpfc_dmabuf * dmabuf;
+ struct ulp_bde64 *bpl = NULL;
+ struct lpfc_sli_ct_request *ctreq = NULL;
+
+ int ret_val = 0;
+
+ *txxri = 0;
+ *rxxri = 0;
+
+ mutex_lock(&lpfcdfc_lock);
+ list_for_each_entry(dfchba, &lpfcdfc_hosts, node) {
+ if (dfchba->phba == phba)
+ break;
+ }
+ mutex_unlock(&lpfcdfc_lock);
+ BUG_ON(&dfchba->node == &lpfcdfc_hosts);
+
+ evt = lpfcdfc_event_new(FC_REG_CT_EVENT, current->pid,
+ SLI_CT_ELX_LOOPBACK);
+
+ cmdiocbq = lpfc_sli_get_iocbq(phba);
+ rspiocbq = lpfc_sli_get_iocbq(phba);
+
+ dmabuf = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
+ if (dmabuf) {
+ dmabuf->virt = lpfc_mbuf_alloc(phba, 0, &dmabuf->phys);
+ INIT_LIST_HEAD(&dmabuf->list);
+ bpl = (struct ulp_bde64 *) dmabuf->virt;
+ memset(bpl, 0, sizeof(*bpl));
+ ctreq = (struct lpfc_sli_ct_request *)(bpl + 1);
+ bpl->addrHigh =
+ le32_to_cpu(putPaddrHigh(dmabuf->phys + sizeof(*bpl)));
+ bpl->addrLow =
+ le32_to_cpu(putPaddrLow(dmabuf->phys + sizeof(*bpl)));
+ bpl->tus.f.bdeFlags = 0;
+ bpl->tus.f.bdeSize = ELX_LOOPBACK_HEADER_SZ;
+ bpl->tus.w = le32_to_cpu(bpl->tus.w);
+ }
+
+ if (evt == NULL || cmdiocbq == NULL || rspiocbq == NULL ||
+ dmabuf == NULL || bpl == NULL || ctreq == NULL) {
+ ret_val = ENOMEM;
+ goto err_get_xri_exit;
+ }
+
+ mutex_lock(&lpfcdfc_lock);
+ list_add(&evt->node, &dfchba->ev_waiters);
+ lpfcdfc_event_ref(evt);
+ mutex_unlock(&lpfcdfc_lock);
+
+ cmd = &cmdiocbq->iocb;
+ rsp = &rspiocbq->iocb;
+
+
+
+ memset(ctreq, 0, ELX_LOOPBACK_HEADER_SZ);
+
+ ctreq->RevisionId.bits.Revision = SLI_CT_REVISION;
+ ctreq->RevisionId.bits.InId = 0;
+ ctreq->FsType = SLI_CT_ELX_LOOPBACK;
+ ctreq->FsSubType = 0;
+ ctreq->CommandResponse.bits.CmdRsp = ELX_LOOPBACK_XRI_SETUP;
+ ctreq->CommandResponse.bits.Size = 0;
+
+
+ cmd->un.xseq64.bdl.addrHigh = putPaddrHigh(dmabuf->phys);
+ cmd->un.xseq64.bdl.addrLow = putPaddrLow(dmabuf->phys);
+ cmd->un.xseq64.bdl.bdeFlags = BUFF_TYPE_BDL;
+ cmd->un.xseq64.bdl.bdeSize = sizeof(*bpl);
+
+ cmd->un.xseq64.w5.hcsw.Fctl = LA;
+ cmd->un.xseq64.w5.hcsw.Dfctl = 0;
+ cmd->un.xseq64.w5.hcsw.Rctl = FC_UNSOL_CTL;
+ cmd->un.xseq64.w5.hcsw.Type = FC_COMMON_TRANSPORT_ULP;
+
+ cmd->ulpCommand = CMD_XMIT_SEQUENCE64_CR;
+ cmd->ulpBdeCount = 1;
+ cmd->ulpLe = 1;
+ cmd->ulpClass = CLASS3;
+ cmd->ulpContext = rpi;
+
+ cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC;
+
+ spin_lock_irq(phba->host->host_lock);
+ ret_val = lpfc_sli_issue_iocb_wait(phba, pring, cmdiocbq, rspiocbq,
+ (phba->fc_ratov * 2)
+ + LPFC_DRVR_TIMEOUT);
+ spin_unlock_irq(phba->host->host_lock);
+ if (ret_val) {
+ lpfcdfc_loop_self_unreg(phba, rpi);
+ goto err_get_xri_exit;
+ }
+
+ *txxri = rsp->ulpContext;
+
+ evt->waiting = 1;
+ evt->wait_time_stamp = jiffies;
+ ret_val = wait_event_interruptible_timeout(
+ evt->wq, !list_empty(&evt->events_to_see),
+ ((phba->fc_ratov * 2) + LPFC_DRVR_TIMEOUT) * HZ);
+ if (list_empty(&evt->events_to_see))
+ ret_val = (ret_val) ? EINTR : ETIMEDOUT;
+ else {
+ ret_val = 0;
+ mutex_lock(&lpfcdfc_lock);
+ list_move(evt->events_to_see.prev, &evt->events_to_get);
+ mutex_unlock(&lpfcdfc_lock);
+ *rxxri = (list_entry(evt->events_to_get.prev,
+ typeof(struct event_data),
+ node))->immed_dat;
+ }
+ evt->waiting = 0;
+ mutex_lock(&lpfcdfc_lock);
+ lpfcdfc_event_unref(evt); /* release ref */
+ lpfcdfc_event_unref(evt); /* delete */
+ mutex_unlock(&lpfcdfc_lock);
+
+
+err_get_xri_exit:
+
+ if(dmabuf) {
+ if(dmabuf->virt)
+ lpfc_mbuf_free(phba, dmabuf->virt, dmabuf->phys);
+ kfree(dmabuf);
+ }
+
+ if (cmdiocbq)
+ lpfc_sli_release_iocbq(phba, cmdiocbq);
+ if (rspiocbq)
+ lpfc_sli_release_iocbq(phba, rspiocbq);
+
+ return ret_val;
+}
+
+static int lpfcdfc_loop_post_rxbufs(struct lpfc_hba *phba, uint16_t rxxri,
+ size_t len)
+{
+ struct lpfc_sli *psli = &phba->sli;
+ struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING];
+ struct lpfc_iocbq *cmdiocbq;
+ IOCB_t *cmd = NULL;
+ struct list_head head, *curr, *next;
+ struct lpfc_dmabuf *rxbmp;
+ struct lpfc_dmabuf *dmp;
+ struct lpfc_dmabuf *mp[2] = {NULL, NULL};
+ struct ulp_bde64 *rxbpl = NULL;
+ uint32_t num_bde;
+ struct lpfc_dmabufext *rxbuffer = NULL;
+ int ret_val = 0;
+ int i = 0;
+
+ cmdiocbq = lpfc_sli_get_iocbq(phba);
+ rxbmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
+ if (rxbmp != NULL) {
+ rxbmp->virt = lpfc_mbuf_alloc(phba, 0, &rxbmp->phys);
+ INIT_LIST_HEAD(&rxbmp->list);
+ rxbpl = (struct ulp_bde64 *) rxbmp->virt;
+ rxbuffer = dfc_cmd_data_alloc(phba, NULL, rxbpl, len);
+ }
+
+ if(cmdiocbq == NULL || rxbmp == NULL ||
+ rxbpl == NULL || rxbuffer == NULL) {
+ ret_val = ENOMEM;
+ goto err_post_rxbufs_exit;
+ }
+
+ /* Queue buffers for the receive exchange */
+ num_bde = (uint32_t)rxbuffer->flag;
+ dmp = &rxbuffer->dma;
+
+ cmd = &cmdiocbq->iocb;
+ i = 0;
+
+ INIT_LIST_HEAD(&head);
+ list_add_tail(&head, &dmp->list);
+ list_for_each_safe(curr, next, &head) {
+ mp[i] = list_entry(curr, struct lpfc_dmabuf, list);
+ list_del(curr);
+
+ cmd->un.cont64[i].addrHigh = putPaddrHigh(mp[i]->phys);
+ cmd->un.cont64[i].addrLow = putPaddrLow(mp[i]->phys);
+ cmd->un.cont64[i].tus.f.bdeSize =
+ ((struct lpfc_dmabufext *)mp[i])->size;
+ cmd->ulpBdeCount = ++i;
+
+ if ((--num_bde > 0) && (i < 2))
+ continue;
+
+ cmd->ulpCommand = CMD_QUE_XRI_BUF64_CX;
+ cmd->ulpLe = 1;
+ cmd->ulpClass = CLASS3;
+ cmd->ulpContext = rxxri;
+
+ spin_lock_irq(phba->host->host_lock);
+ ret_val = lpfc_sli_issue_iocb(phba, pring, cmdiocbq, 0);
+ spin_unlock_irq(phba->host->host_lock);
+
+ if (ret_val == IOCB_ERROR) {
+ dfc_cmd_data_free(phba, (struct lpfc_dmabufext *)mp[0]);
+ if (mp[1])
+ dfc_cmd_data_free(phba,
+ (struct lpfc_dmabufext *)mp[1]);
+ dmp = list_entry(next, struct lpfc_dmabuf, list);
+ ret_val = EIO;
+ goto err_post_rxbufs_exit;
+ }
+
+ spin_lock_irq(phba->host->host_lock);
+ lpfc_sli_ringpostbuf_put(phba, pring, mp[0]);
+ if (mp[1]) {
+ lpfc_sli_ringpostbuf_put(phba, pring, mp[1]);
+ mp[1] = NULL;
+ }
+
+ /* The iocb was freed by lpfc_sli_issue_iocb */
+ if ((cmdiocbq = lpfc_sli_get_iocbq(phba)) == NULL) {
+ dmp = list_entry(next, struct lpfc_dmabuf, list);
+ ret_val = EIO;
+ spin_unlock_irq(phba->host->host_lock);
+ goto err_post_rxbufs_exit;
+ }
+ spin_unlock_irq(phba->host->host_lock);
+ cmd = &cmdiocbq->iocb;
+ i = 0;
+ }
+ list_del(&head);
+
+err_post_rxbufs_exit:
+
+ if(rxbmp) {
+ if(rxbmp->virt)
+ lpfc_mbuf_free(phba, rxbmp->virt, rxbmp->phys);
+ kfree(rxbmp);
+ }
+
+ if (cmdiocbq)
+ lpfc_sli_release_iocbq(phba, cmdiocbq);
+
+ return ret_val;
+}
+static int
+lpfc_ioctl_loopback_test(struct lpfc_hba *phba,
+ struct lpfcCmdInput *cip, void *dataout)
+{
+ struct lpfcdfc_host * dfchba;
+ struct lpfcdfc_event * evt;
+ struct event_data * evdat;
+
+ struct lpfc_sli *psli = &phba->sli;
+ struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING];
+ uint32_t size = cip->lpfc_outsz;
+ uint32_t full_size = size + ELX_LOOPBACK_HEADER_SZ;
+ size_t segment_len = 0, segment_offset = 0, current_offset = 0;
+ uint16_t rpi;
+ struct lpfc_iocbq *cmdiocbq, *rspiocbq;
+ IOCB_t *cmd, *rsp;
+ struct lpfc_sli_ct_request *ctreq;
+ struct lpfc_dmabuf *txbmp;
+ struct ulp_bde64 *txbpl = NULL;
+ struct lpfc_dmabufext *txbuffer = NULL;
+ struct list_head head;
+ struct lpfc_dmabuf *curr;
+ uint16_t txxri, rxxri;
+ uint32_t num_bde;
+ uint8_t *ptr = NULL, *rx_databuf = NULL;
+ int rc = 0;
+
+ if ((phba->hba_state == LPFC_HBA_ERROR) ||
+ (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
+ return EACCES;
+
+ if ((size == 0) || (size > 80 * 4096))
+ return ERANGE;
+
+ mutex_lock(&lpfcdfc_lock);
+ list_for_each_entry(dfchba, &lpfcdfc_hosts, node) {
+ if (dfchba->phba == phba)
+ break;
+ }
+ mutex_unlock(&lpfcdfc_lock);
+ BUG_ON(&dfchba->node == &lpfcdfc_hosts);
+
+ rc = lpfcdfc_loop_self_reg(phba, &rpi);
+ if (rc)
+ return rc;
+
+ rc = lpfcdfc_loop_get_xri(phba, rpi, &txxri, &rxxri);
+ if (rc) {
+ lpfcdfc_loop_self_unreg(phba, rpi);
+ return rc;
+ }
+
+ rc = lpfcdfc_loop_post_rxbufs(phba, rxxri, full_size);
+ if (rc) {
+ lpfcdfc_loop_self_unreg(phba, rpi);
+ return rc;
+ }
+
+ evt = lpfcdfc_event_new(FC_REG_CT_EVENT, current->pid,
+ SLI_CT_ELX_LOOPBACK);
+
+ cmdiocbq = lpfc_sli_get_iocbq(phba);
+ rspiocbq = lpfc_sli_get_iocbq(phba);
+ txbmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
+
+ if (txbmp) {
+ txbmp->virt = lpfc_mbuf_alloc(phba, 0, &txbmp->phys);
+ INIT_LIST_HEAD(&txbmp->list);
+ txbpl = (struct ulp_bde64 *) txbmp->virt;
+ if (txbpl)
+ txbuffer = dfc_cmd_data_alloc(phba, NULL,
+ txbpl, full_size);
+ }
+
+ if (evt == NULL || cmdiocbq == NULL || rspiocbq == NULL
+ || txbmp == NULL || txbpl == NULL || txbuffer == NULL) {
+ rc = ENOMEM;
+ goto err_loopback_test_exit;
+ }
+
+ mutex_lock(&lpfcdfc_lock);
+ list_add(&evt->node, &dfchba->ev_waiters);
+ lpfcdfc_event_ref(evt);
+ mutex_unlock(&lpfcdfc_lock);
+
+ cmd = &cmdiocbq->iocb;
+ rsp = &rspiocbq->iocb;
+
+ INIT_LIST_HEAD(&head);
+ list_add_tail(&head, &txbuffer->dma.list);
+ list_for_each_entry(curr, &head, list) {
+ segment_len = ((struct lpfc_dmabufext *)curr)->size;
+ if (current_offset == 0) {
+ ctreq = curr->virt;
+ memset(ctreq, 0, ELX_LOOPBACK_HEADER_SZ);
+ ctreq->RevisionId.bits.Revision = SLI_CT_REVISION;
+ ctreq->RevisionId.bits.InId = 0;
+ ctreq->FsType = SLI_CT_ELX_LOOPBACK;
+ ctreq->FsSubType = 0;
+ ctreq->CommandResponse.bits.CmdRsp = ELX_LOOPBACK_DATA ;
+ ctreq->CommandResponse.bits.Size = size;
+ segment_offset = ELX_LOOPBACK_HEADER_SZ;
+ } else
+ segment_offset = 0;
+
+ BUG_ON(segment_offset >= segment_len);
+ if (copy_from_user (curr->virt + segment_offset,
+ (void __user *)cip->lpfc_arg1
+ + current_offset,
+ segment_len - segment_offset))
+ goto err_loopback_test_exit;
+
+ current_offset += segment_len - segment_offset;
+ BUG_ON(current_offset > size);
+ }
+ list_del(&head);
+
+ /* Build the XMIT_SEQUENCE iocb */
+
+ num_bde = (uint32_t)txbuffer->flag;
+
+ cmd->un.xseq64.bdl.addrHigh = putPaddrHigh(txbmp->phys);
+ cmd->un.xseq64.bdl.addrLow = putPaddrLow(txbmp->phys);
+ cmd->un.xseq64.bdl.bdeFlags = BUFF_TYPE_BDL;
+ cmd->un.xseq64.bdl.bdeSize = (num_bde * sizeof(struct ulp_bde64));
+
+ cmd->un.xseq64.w5.hcsw.Fctl = (LS | LA);
+ cmd->un.xseq64.w5.hcsw.Dfctl = 0;
+ cmd->un.xseq64.w5.hcsw.Rctl = FC_UNSOL_CTL;
+ cmd->un.xseq64.w5.hcsw.Type = FC_COMMON_TRANSPORT_ULP;
+
+ cmd->ulpCommand = CMD_XMIT_SEQUENCE64_CX;
+ cmd->ulpBdeCount = 1;
+ cmd->ulpLe = 1;
+ cmd->ulpClass = CLASS3;
+ cmd->ulpContext = txxri;
+
+ cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC;
+
+ spin_lock_irq(phba->host->host_lock);
+ rc = lpfc_sli_issue_iocb_wait(phba, pring, cmdiocbq, rspiocbq,
+ (phba->fc_ratov * 2) + LPFC_DRVR_TIMEOUT);
+ spin_unlock_irq(phba->host->host_lock);
+
+ if ((rc != IOCB_SUCCESS) || (rsp->ulpStatus != IOCB_SUCCESS)) {
+ rc = EIO;
+ goto err_loopback_test_exit;
+ }
+
+ evt->waiting = 1;
+ rc = wait_event_interruptible_timeout(
+ evt->wq, !list_empty(&evt->events_to_see),
+ ((phba->fc_ratov * 2) + LPFC_DRVR_TIMEOUT) * HZ);
+ if (list_empty(&evt->events_to_see))
+ rc = (rc) ? EINTR : ETIMEDOUT;
+ else {
+ rc = 0;
+ ptr = dataout;
+ mutex_lock(&lpfcdfc_lock);
+ list_move(evt->events_to_see.prev, &evt->events_to_get);
+ evdat = list_entry(evt->events_to_get.prev,
+ typeof(*evdat), node);
+ mutex_unlock(&lpfcdfc_lock);
+ rx_databuf = evdat->data;
+ BUG_ON(evdat->len != full_size);
+ }
+ evt->waiting = 0;
+
+ mutex_lock(&lpfcdfc_lock);
+ lpfcdfc_event_unref(evt); /* release ref */
+ lpfcdfc_event_unref(evt); /* delete */
+ mutex_unlock(&lpfcdfc_lock);
+
+ if (rx_databuf == NULL) {
+ rc = EIO;
+ goto err_loopback_test_exit;
+ }
+
+ rx_databuf += ELX_LOOPBACK_HEADER_SZ;
+ memcpy(ptr, rx_databuf, size);
+
+err_loopback_test_exit:
+ lpfcdfc_loop_self_unreg(phba, rpi);
+
+ if (cmdiocbq != NULL)
+ lpfc_sli_release_iocbq(phba, cmdiocbq);
+
+ if(rspiocbq != NULL)
+ lpfc_sli_release_iocbq(phba, rspiocbq);
+
+ if (txbmp != NULL) {
+ if (txbpl != NULL) {
+ if (txbuffer != NULL)
+ dfc_cmd_data_free(phba, txbuffer);
+ lpfc_mbuf_free(phba, txbmp->virt, txbmp->phys);
+ }
+ kfree(txbmp);
+ }
+
+ return rc;
+}
+
+static int
+dfc_rsp_data_copy(struct lpfc_hba * phba,
+ uint8_t * outdataptr, struct lpfc_dmabufext * mlist,
+ uint32_t size)
+{
+ struct lpfc_dmabufext *mlast = NULL;
+ int cnt, offset = 0;
+ struct list_head head, *curr, *next;
+
+ if (!mlist)
+ return 0;
+
+ list_add_tail(&head, &mlist->dma.list);
+
+ list_for_each_safe(curr, next, &head) {
+ mlast = list_entry(curr, struct lpfc_dmabufext , dma.list);
+ if (!size)
+ break;
+
+ /* We copy chucks of 4K */
+ if (size > 4096)
+ cnt = 4096;
+ else
+ cnt = size;
+
+ if (outdataptr) {
+ pci_dma_sync_single_for_device(phba->pcidev,
+ mlast->dma.phys, LPFC_BPL_SIZE, PCI_DMA_TODEVICE);
+
+ /* Copy data to user space */
+ if (copy_to_user
+ ((void __user *) (outdataptr + offset),
+ (uint8_t *) mlast->dma.virt, cnt))
+ return 1;
+ }
+ offset += cnt;
+ size -= cnt;
+ }
+ list_del(&head);
+ return 0;
+}
+
+static int
+lpfc_issue_ct_rsp(struct lpfc_hba * phba, uint32_t tag,
+ struct lpfc_dmabuf * bmp,
+ struct lpfc_dmabufext * inp)
+{
+ struct lpfc_sli *psli;
+ IOCB_t *icmd;
+ struct lpfc_iocbq *ctiocb;
+ struct lpfc_sli_ring *pring;
+ uint32_t num_entry;
+ unsigned long iflag;
+ int rc = 0;
+
+ spin_lock_irqsave(phba->host->host_lock, iflag);
+ psli = &phba->sli;
+ pring = &psli->ring[LPFC_ELS_RING];
+ num_entry = inp->flag;
+ inp->flag = 0;
+
+ /* Allocate buffer for command iocb */
+ ctiocb = lpfc_sli_get_iocbq(phba);
+ if (!ctiocb) {
+ rc = ENOMEM;
+ goto issue_ct_rsp_exit;
+ }
+ icmd = &ctiocb->iocb;
+
+ icmd->un.xseq64.bdl.ulpIoTag32 = 0;
+ icmd->un.xseq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
+ icmd->un.xseq64.bdl.addrLow = putPaddrLow(bmp->phys);
+ icmd->un.xseq64.bdl.bdeFlags = BUFF_TYPE_BDL;
+ icmd->un.xseq64.bdl.bdeSize = (num_entry * sizeof (struct ulp_bde64));
+ icmd->un.xseq64.w5.hcsw.Fctl = (LS | LA);
+ icmd->un.xseq64.w5.hcsw.Dfctl = 0;
+ icmd->un.xseq64.w5.hcsw.Rctl = FC_SOL_CTL;
+ icmd->un.xseq64.w5.hcsw.Type = FC_COMMON_TRANSPORT_ULP;
+
+ pci_dma_sync_single_for_device(phba->pcidev, bmp->phys, LPFC_BPL_SIZE,
+ PCI_DMA_TODEVICE);
+
+ /* Fill in rest of iocb */
+ icmd->ulpCommand = CMD_XMIT_SEQUENCE64_CX;
+ icmd->ulpBdeCount = 1;
+ icmd->ulpLe = 1;
+ icmd->ulpClass = CLASS3;
+ icmd->ulpContext = (ushort) tag;
+ icmd->ulpTimeout = phba->fc_ratov * 2;
+
+ /* Xmit CT response on exchange <xid> */
+ lpfc_printf_log(phba,
+ KERN_INFO,
+ LOG_ELS,
+ "%d:1200 Xmit CT response on exchange x%x Data: x%x "
+ "x%x\n",
+ phba->brd_no,
+ icmd->ulpContext, icmd->ulpIoTag, phba->hba_state);
+
+ ctiocb->iocb_cmpl = NULL;
+ ctiocb->iocb_flag |= LPFC_IO_LIBDFC;
+ rc = lpfc_sli_issue_iocb_wait(phba, pring, ctiocb, NULL,
+ phba->fc_ratov * 2 + LPFC_DRVR_TIMEOUT);
+
+ if (rc == IOCB_TIMEDOUT) {
+ ctiocb->context1 = NULL;
+ ctiocb->context2 = NULL;
+ ctiocb->iocb_cmpl = lpfc_ioctl_timeout_iocb_cmpl;
+ spin_unlock_irqrestore(phba->host->host_lock, iflag);
+ return rc;
+ }
+
+ /* Calling routine takes care of IOCB_ERROR => EIO translation */
+ if (rc != IOCB_SUCCESS)
+ rc = IOCB_ERROR;
+
+ lpfc_sli_release_iocbq(phba, ctiocb);
+issue_ct_rsp_exit:
+ spin_unlock_irqrestore(phba->host->host_lock, iflag);
+ return rc;
+}
+
+
+
+/* Search for a nodelist entry on a specific list */
+static struct lpfc_nodelist *
+lpfc_findnode_wwnn(struct lpfc_hba * phba, uint32_t order,
+ struct lpfc_name * wwnn)
+{
+ struct lpfc_nodelist *ndlp;
+ struct list_head * lists[]={&phba->fc_nlpunmap_list,
+ &phba->fc_nlpmap_list};
+ uint32_t search[]={NLP_SEARCH_UNMAPPED, NLP_SEARCH_MAPPED};
+ uint32_t data1;
+ int i;
+
+ spin_lock_irq(phba->host->host_lock);
+ for (i = 0; i < ARRAY_SIZE(lists); i++ ) {
+ if (!(order & search[i]))
+ continue;
+ list_for_each_entry(ndlp, lists[i], nlp_listp)
+ if (memcmp(&ndlp->nlp_nodename, wwnn,
+ sizeof(struct lpfc_name)) == 0) {
+ spin_unlock_irq(phba->host->host_lock);
+ data1 = (((uint32_t) ndlp->nlp_state << 24) |
+ ((uint32_t) ndlp->nlp_xri << 16) |
+ ((uint32_t) ndlp->nlp_type << 8) |
+ ((uint32_t) ndlp->nlp_rpi & 0xff));
+ /* FIND node DID unmapped */
+ lpfc_printf_log(phba,
+ KERN_INFO,
+ LOG_NODE,
+ "%d:0911 FIND node by WWNN"
+ " Data: x%p x%x x%x x%x\n",
+ phba->brd_no,
+ ndlp, ndlp->nlp_DID,
+ ndlp->nlp_flag, data1);
+ return ndlp;
+ }
+ }
+ spin_unlock_irq(phba->host->host_lock);
+ return NULL;
+}
+
+static void
+lpfcdfc_ct_unsol_event(struct lpfc_hba * phba,
+ struct lpfc_sli_ring * pring,
+ struct lpfc_iocbq * piocbq)
+{
+ struct lpfcdfc_host * dfchba = lpfcdfc_host_from_hba(phba);
+ uint32_t evt_type;
+ uint32_t evt_req_id = 0;
+ uint32_t cmd;
+ uint32_t len;
+ struct lpfc_dmabuf *dmabuf = NULL;
+ struct lpfcdfc_event * evt;
+ struct event_data * evt_dat = NULL;
+ struct lpfc_iocbq * iocbq;
+ size_t offset = 0;
+ struct list_head head;
+ struct ulp_bde64 * bde;
+ dma_addr_t dma_addr;
+ int i;
+
+ BUG_ON(&dfchba->node == &lpfcdfc_hosts);
+ INIT_LIST_HEAD(&head);
+ evt_type = FC_REG_CT_EVENT;
+ if (piocbq->iocb.ulpBdeCount > 0
+ && piocbq->iocb.un.cont64[0].tus.f.bdeSize > 0)
+ {
+ dma_addr = getPaddr(piocbq->iocb.un.cont64[0].addrHigh,
+ piocbq->iocb.un.cont64[0].addrLow);
+ dmabuf = lpfc_sli_ringpostbuf_get(phba, pring, dma_addr);
+ BUG_ON(dmabuf == NULL);
+ evt_req_id =
+ ((struct lpfc_sli_ct_request *)(dmabuf->virt))->FsType;
+ cmd = ((struct lpfc_sli_ct_request *)
+ (dmabuf->virt))->CommandResponse.bits.CmdRsp;
+ len = ((struct lpfc_sli_ct_request *)
+ (dmabuf->virt))->CommandResponse.bits.Size;
+ lpfc_sli_ringpostbuf_put(phba, pring, dmabuf);
+ } else
+ goto error_unsol_ct_exit;
+
+ mutex_lock(&lpfcdfc_lock);
+ list_for_each_entry(evt, &dfchba->ev_waiters, node) {
+ if (!(evt->type_mask & FC_REG_CT_EVENT) ||
+ evt->req_id != evt_req_id)
+ continue;
+
+ lpfcdfc_event_ref(evt);
+
+ if ((evt_dat = kzalloc(sizeof(*evt_dat), GFP_KERNEL)) == NULL) {
+ lpfcdfc_event_unref(evt);
+ break;
+ }
+
+ mutex_unlock(&lpfcdfc_lock);
+
+ INIT_LIST_HEAD(&head);
+ list_add_tail(&head, &piocbq->list);
+ iocbq = piocbq;
+ list_for_each_entry(iocbq, &head, list)
+ for (i = 0; i < iocbq->iocb.ulpBdeCount; i++)
+ evt_dat->len +=
+ iocbq->iocb.un.cont64[i].tus.f.bdeSize;
+
+ evt_dat->data = kzalloc(evt_dat->len, GFP_KERNEL);
+ if (evt_dat->data == NULL) {
+ kfree (evt_dat);
+ mutex_lock(&lpfcdfc_lock);
+ lpfcdfc_event_unref(evt);
+ mutex_unlock(&lpfcdfc_lock);
+ goto error_unsol_ct_exit;
+ }
+
+ iocbq = piocbq;
+ list_for_each_entry(iocbq, &head, list)
+ for (i = 0; i < iocbq->iocb.ulpBdeCount; i++) {
+ bde = &iocbq->iocb.un.cont64[i];
+ dma_addr = getPaddr(bde->addrHigh,
+ bde->addrLow);
+ dmabuf = lpfc_sli_ringpostbuf_get(phba, pring,
+ dma_addr);
+ if (dmabuf == NULL) {
+ kfree (evt_dat->data);
+ kfree (evt_dat);
+ mutex_lock(&lpfcdfc_lock);
+ lpfcdfc_event_unref(evt);
+ mutex_unlock(&lpfcdfc_lock);
+ goto error_unsol_ct_exit;
+ }
+ memcpy ((char *)(evt_dat->data) + offset,
+ dmabuf->virt, bde->tus.f.bdeSize);
+ offset += bde->tus.f.bdeSize;
+ if (evt_req_id != SLI_CT_ELX_LOOPBACK)
+ lpfc_sli_ringpostbuf_put(phba, pring,
+ dmabuf);
+ else {
+ switch (cmd) {
+ case ELX_LOOPBACK_DATA:
+ dfc_cmd_data_free(phba,
+ (struct lpfc_dmabufext *)
+ dmabuf);
+ break;
+ case ELX_LOOPBACK_XRI_SETUP:
+ default:
+ lpfc_post_buffer(phba, pring,
+ 1, 1);
+ lpfc_mbuf_free(phba,
+ dmabuf->virt,
+ dmabuf->phys);
+ kfree(dmabuf);
+ break;
+ };
+ }
+ }
+
+ mutex_lock(&lpfcdfc_lock);
+ evt_dat->immed_dat = piocbq->iocb.ulpContext;
+ evt_dat->type = evt_type;
+ list_add(&evt_dat->node, &evt->events_to_see);
+ wake_up_interruptible(&evt->wq);
+ lpfcdfc_event_unref(evt);
+ if (evt_req_id == SLI_CT_ELX_LOOPBACK)
+ break;
+ }
+ mutex_unlock(&lpfcdfc_lock);
+
+error_unsol_ct_exit:
+ if(!list_empty(&head))
+ list_del(&head);
+ if (evt_req_id != SLI_CT_ELX_LOOPBACK &&
+ dfchba->base_ct_unsol_event != NULL)
+ (dfchba->base_ct_unsol_event)(phba, pring, piocbq);
+
+ return;
+}
+
+
+static struct lpfc_dmabufext *
+dfc_cmd_data_alloc(struct lpfc_hba * phba,
+ char *indataptr, struct ulp_bde64 * bpl, uint32_t size)
+{
+ struct lpfc_dmabufext *mlist = NULL;
+ struct lpfc_dmabufext *dmp;
+ int cnt, offset = 0, i = 0;
+ struct pci_dev *pcidev;
+
+ pcidev = phba->pcidev;
+
+ while (size) {
+ /* We get chucks of 4K */
+ if (size > 4096)
+ cnt = 4096;
+ else
+ cnt = size;
+
+ /* allocate struct lpfc_dmabufext buffer header */
+ dmp = kmalloc(sizeof (struct lpfc_dmabufext), GFP_KERNEL);
+ if ( dmp == 0 )
+ goto out;
+
+ INIT_LIST_HEAD(&dmp->dma.list);
+
+ /* Queue it to a linked list */
+ if (mlist)
+ list_add_tail(&dmp->dma.list, &mlist->dma.list);
+ else
+ mlist = dmp;
+
+ /* allocate buffer */
+ dmp->dma.virt = dma_alloc_coherent(&pcidev->dev,
+ cnt,
+ &(dmp->dma.phys),
+ GFP_KERNEL);
+
+ if (dmp->dma.virt == NULL)
+ goto out;
+
+ dmp->size = cnt;
+
+ if (indataptr) {
+ /* Copy data from user space in */
+ if (copy_from_user
+ ((uint8_t *) dmp->dma.virt,
+ (void __user *) (indataptr + offset), cnt)) {
+ goto out;
+ }
+ bpl->tus.f.bdeFlags = 0;
+
+ pci_dma_sync_single_for_device(phba->pcidev,
+ dmp->dma.phys, LPFC_BPL_SIZE, PCI_DMA_TODEVICE);
+
+ } else {
+ memset((uint8_t *)dmp->dma.virt, 0, cnt);
+ bpl->tus.f.bdeFlags = BUFF_USE_RCV;
+ }
+
+ /* build buffer ptr list for IOCB */
+ bpl->addrLow = le32_to_cpu( putPaddrLow(dmp->dma.phys) );
+ bpl->addrHigh = le32_to_cpu( putPaddrHigh(dmp->dma.phys) );
+ bpl->tus.f.bdeSize = (ushort) cnt;
+ bpl->tus.w = le32_to_cpu(bpl->tus.w);
+ bpl++;
+
+ i++;
+ offset += cnt;
+ size -= cnt;
+ }
+
+ mlist->flag = i;
+ return mlist;
+out:
+ dfc_cmd_data_free(phba, mlist);
+ return NULL;
+}
+
+static int
+dfc_cmd_data_free(struct lpfc_hba * phba, struct lpfc_dmabufext * mlist)
+{
+ struct lpfc_dmabufext *mlast;
+ struct pci_dev *pcidev;
+ struct list_head head, *curr, *next;
+
+ if (!mlist)
+ return 0;
+
+ pcidev = phba->pcidev;
+ list_add_tail(&head, &mlist->dma.list);
+
+ list_for_each_safe(curr, next, &head) {
+ mlast = list_entry(curr, struct lpfc_dmabufext , dma.list);
+ if (mlast->dma.virt)
+ dma_free_coherent(&pcidev->dev,
+ mlast->size,
+ mlast->dma.virt,
+ mlast->dma.phys);
+
+ kfree(mlast);
+ }
+ return 0;
+}
+
+
+/* The only reason we need that reverce find, is because we
+ * are bent on keeping original calling conventions.
+ */
+static struct lpfcdfc_host *
+lpfcdfc_host_from_hba(struct lpfc_hba * phba)
+{
+ struct lpfcdfc_host * dfchba;
+
+ mutex_lock(&lpfcdfc_lock);
+ list_for_each_entry(dfchba, &lpfcdfc_hosts, node) {
+ if (dfchba->phba == phba)
+ break;
+ }
+ mutex_unlock(&lpfcdfc_lock);
+
+ return dfchba;
+}
+
+struct lpfcdfc_host *
+lpfcdfc_host_add (struct pci_dev * dev,
+ struct Scsi_Host * host,
+ struct lpfc_hba * phba)
+{
+ struct lpfcdfc_host * dfchba = NULL;
+ struct lpfc_sli_ring_mask * prt = NULL;
+
+ dfchba = kzalloc(sizeof(*dfchba), GFP_KERNEL);
+ if (dfchba == NULL)
+ return NULL;
+
+ dfchba->inst = phba->brd_no;
+ dfchba->phba = phba;
+ dfchba->host = host;
+ dfchba->dev = dev;
+ dfchba->blocked = 0;
+
+ spin_lock_irq(phba->host->host_lock);
+ prt = phba->sli.ring[LPFC_ELS_RING].prt;
+ dfchba->base_ct_unsol_event = prt[2].lpfc_sli_rcv_unsol_event;
+ prt[2].lpfc_sli_rcv_unsol_event = lpfcdfc_ct_unsol_event;
+ prt[3].lpfc_sli_rcv_unsol_event = lpfcdfc_ct_unsol_event;
+ spin_unlock_irq(phba->host->host_lock);
+ mutex_lock(&lpfcdfc_lock);
+ list_add_tail(&dfchba->node, &lpfcdfc_hosts);
+ INIT_LIST_HEAD(&dfchba->ev_waiters);
+ mutex_unlock(&lpfcdfc_lock);
+
+ return dfchba;
+}
+
+
+void
+lpfcdfc_host_del (struct lpfcdfc_host * dfchba)
+{
+ struct Scsi_Host * host;
+ struct lpfc_hba * phba = NULL;
+ struct lpfc_sli_ring_mask * prt = NULL;
+
+ mutex_lock(&lpfcdfc_lock);
+ dfchba->blocked = 1;
+
+ while (dfchba->ref_count) {
+ mutex_unlock(&lpfcdfc_lock);
+ msleep(2000);
+ mutex_lock(&lpfcdfc_lock);
+ }
+
+ if (dfchba->dev->driver) {
+ host = pci_get_drvdata(dfchba->dev);
+ if ((host != NULL) &&
+ (struct lpfc_hba*)host->hostdata == dfchba->phba) {
+ phba = dfchba->phba;
+ mutex_unlock(&lpfcdfc_lock);
+ spin_lock_irq(phba->host->host_lock);
+ prt = phba->sli.ring[LPFC_ELS_RING].prt;
+ prt[2].lpfc_sli_rcv_unsol_event =
+ dfchba->base_ct_unsol_event;
+ prt[3].lpfc_sli_rcv_unsol_event =
+ dfchba->base_ct_unsol_event;
+ spin_unlock_irq(phba->host->host_lock);
+ mutex_lock(&lpfcdfc_lock);
+ }
+ }
+ list_del_init(&dfchba->node);
+ mutex_unlock(&lpfcdfc_lock);
+ kfree (dfchba);
+}
+
+/*
+ * Retrieve lpfc_hba * matching instance (board no)
+ * If found return lpfc_hba *
+ * If not found return NULL
+ */
+static struct lpfcdfc_host *
+lpfcdfc_get_phba_by_inst(int inst)
+{
+ struct Scsi_Host * host = NULL;
+ struct lpfcdfc_host * dfchba;
+
+ mutex_lock(&lpfcdfc_lock);
+ list_for_each_entry(dfchba, &lpfcdfc_hosts, node) {
+ if (dfchba->inst == inst) {
+ if (dfchba->dev->driver) {
+ host = pci_get_drvdata(dfchba->dev);
+ if ((host != NULL) &&
+ (struct lpfc_hba*)host->hostdata ==
+ dfchba->phba) {
+ mutex_unlock(&lpfcdfc_lock);
+ BUG_ON(dfchba->phba->brd_no != inst);
+ return dfchba;
+ }
+ }
+ lpfcdfc_host_del (dfchba);
+ break;
+ }
+ }
+ mutex_unlock(&lpfcdfc_lock);
+
+ return NULL;
+}
+
+static int
+lpfcdfc_do_ioctl(struct lpfcCmdInput *cip)
+{
+ struct lpfcdfc_host * dfchba = NULL;
+ struct lpfc_hba *phba = NULL;
+ int rc;
+ uint32_t total_mem;
+ void *dataout;
+
+
+ /* Some ioctls are per module and do not need phba */
+ switch (cip->lpfc_cmd) {
+ case LPFC_GET_DFC_REV:
+ break;
+ default:
+ dfchba = lpfcdfc_get_phba_by_inst(cip->lpfc_brd);
+ if (dfchba == NULL)
+ return EINVAL;
+ phba = dfchba->phba;
+ break;
+ };
+
+ if (phba)
+ lpfc_printf_log(phba,
+ KERN_INFO,
+ LOG_LIBDFC,
+ "%d:1601 libdfc ioctl entry Data: x%x x%lx x%lx x%x\n",
+ phba->brd_no, cip->lpfc_cmd,
+ (unsigned long) cip->lpfc_arg1,
+ (unsigned long) cip->lpfc_arg2,
+ cip->lpfc_outsz);
+
+ mutex_lock(&lpfcdfc_lock);
+ if (dfchba && dfchba->blocked) {
+ mutex_unlock(&lpfcdfc_lock);
+ return EINVAL;
+ }
+ if (dfchba)
+ dfchba->ref_count++;
+ mutex_unlock(&lpfcdfc_lock);
+ if (cip->lpfc_outsz >= 4096) {
+
+ /*
+ * Allocate memory for ioctl data. If buffer is bigger than 64k,
+ * then we allocate 64k and re-use that buffer over and over to
+ * xfer the whole block. This is because Linux kernel has a
+ * problem allocating more than 120k of kernel space memory. Saw
+ * problem with GET_FCPTARGETMAPPING...
+ */
+ if (cip->lpfc_outsz <= (64 * 1024))
+ total_mem = cip->lpfc_outsz;
+ else
+ total_mem = 64 * 1024;
+ } else {
+ /* Allocate memory for ioctl data */
+ total_mem = 4096;
+ }
+
+ dataout = kmalloc(total_mem, GFP_KERNEL);
+ if (!dataout && dfchba != NULL) {
+ mutex_lock(&lpfcdfc_lock);
+ if (dfchba)
+ dfchba->ref_count--;
+ mutex_unlock(&lpfcdfc_lock);
+ return ENOMEM;
+ }
+
+ switch (cip->lpfc_cmd) {
+
+ case LPFC_GET_DFC_REV:
+ ((struct DfcRevInfo *) dataout)->a_Major = DFC_MAJOR_REV;
+ ((struct DfcRevInfo *) dataout)->a_Minor = DFC_MINOR_REV;
+ cip->lpfc_outsz = sizeof (struct DfcRevInfo);
+ rc = 0;
+ break;
+
+ case LPFC_SEND_ELS:
+ rc = lpfc_ioctl_send_els(phba, cip, dataout);
+ break;
+
+ case LPFC_HBA_SEND_MGMT_RSP:
+ rc = lpfc_ioctl_send_mgmt_rsp(phba, cip);
+ break;
+
+ case LPFC_HBA_SEND_MGMT_CMD:
+ case LPFC_CT:
+ rc = lpfc_ioctl_send_mgmt_cmd(phba, cip, dataout);
+ break;
+
+ case LPFC_HBA_GET_EVENT:
+ rc = lpfc_ioctl_hba_get_event(phba, cip, dataout, total_mem);
+ break;
+
+ case LPFC_HBA_SET_EVENT:
+ rc = lpfc_ioctl_hba_set_event(phba, cip);
+ break;
+
+ case LPFC_LOOPBACK_MODE:
+ rc = lpfc_ioctl_loopback_mode(phba, cip, dataout);
+ break;
+
+ case LPFC_LOOPBACK_TEST:
+ rc = lpfc_ioctl_loopback_test(phba, cip, dataout);
+ break;
+
+ case LPFC_HBA_RNID:
+ rc = lpfc_ioctl_hba_rnid(phba, cip, dataout);
+ break;
+
+ default:
+ rc = EINVAL;
+ break;
+ }
+
+ if (phba)
+ lpfc_printf_log(phba,
+ KERN_INFO,
+ LOG_LIBDFC,
+ "%d:1602 libdfc ioctl exit Data: x%x x%x x%lx\n",
+ cip->lpfc_brd,
+ rc,
+ cip->lpfc_outsz,
+ (unsigned long) cip->lpfc_dataout);
+
+ /* Copy data to user space config method */
+ if (rc == 0) {
+ if (cip->lpfc_outsz) {
+ if (copy_to_user
+ ((void __user *) cip->lpfc_dataout,
+ (uint8_t *) dataout, cip->lpfc_outsz)) {
+ rc = EIO;
+ }
+ }
+ }
+
+ kfree(dataout);
+ mutex_lock(&lpfcdfc_lock);
+ if (dfchba)
+ dfchba->ref_count--;
+ mutex_unlock(&lpfcdfc_lock);
+
+ return rc;
+}
+
+static int
+lpfcdfc_ioctl(struct inode *inode,
+ struct file *file, unsigned int cmd, unsigned long arg)
+{
+ int rc;
+ struct lpfcCmdInput *ci;
+
+ if (!arg)
+ return -EINVAL;
+
+ ci = (struct lpfcCmdInput *) kmalloc(sizeof (struct lpfcCmdInput),
+ GFP_KERNEL);
+
+ if (!ci)
+ return -ENOMEM;
+
+ if ((rc = copy_from_user
+ ((uint8_t *) ci, (void __user *) arg,
+ sizeof (struct lpfcCmdInput)))) {
+ kfree(ci);
+ return -EIO;
+ }
+
+ rc = lpfcdfc_do_ioctl(ci);
+
+ kfree(ci);
+ return -rc;
+}
+
+#ifdef CONFIG_COMPAT
+static long
+lpfcdfc_compat_ioctl(struct file * file, unsigned int cmd, unsigned long arg)
+{
+ struct lpfcCmdInput32 arg32;
+ struct lpfcCmdInput arg64;
+ int ret;
+
+ if(copy_from_user(&arg32, (void __user *)arg,
+ sizeof(struct lpfcCmdInput32)))
+ return -EFAULT;
+
+ arg64.lpfc_brd = arg32.lpfc_brd;
+ arg64.lpfc_ring = arg32.lpfc_ring;
+ arg64.lpfc_iocb = arg32.lpfc_iocb;
+ arg64.lpfc_flag = arg32.lpfc_flag;
+ arg64.lpfc_arg1 = (void *)(unsigned long) arg32.lpfc_arg1;
+ arg64.lpfc_arg2 = (void *)(unsigned long) arg32.lpfc_arg2;
+ arg64.lpfc_arg3 = (void *)(unsigned long) arg32.lpfc_arg3;
+ arg64.lpfc_dataout = (void *)(unsigned long) arg32.lpfc_dataout;
+ arg64.lpfc_cmd = arg32.lpfc_cmd;
+ arg64.lpfc_outsz = arg32.lpfc_outsz;
+ arg64.lpfc_arg4 = arg32.lpfc_arg4;
+ arg64.lpfc_arg5 = arg32.lpfc_arg5;
+
+ ret = lpfcdfc_do_ioctl(&arg64);
+
+ arg32.lpfc_brd = arg64.lpfc_brd;
+ arg32.lpfc_ring = arg64.lpfc_ring;
+ arg32.lpfc_iocb = arg64.lpfc_iocb;
+ arg32.lpfc_flag = arg64.lpfc_flag;
+ arg32.lpfc_arg1 = (u32)(unsigned long) arg64.lpfc_arg1;
+ arg32.lpfc_arg2 = (u32)(unsigned long) arg64.lpfc_arg2;
+ arg32.lpfc_arg3 = (u32)(unsigned long) arg64.lpfc_arg3;
+ arg32.lpfc_dataout = (u32)(unsigned long) arg64.lpfc_dataout;
+ arg32.lpfc_cmd = arg64.lpfc_cmd;
+ arg32.lpfc_outsz = arg64.lpfc_outsz;
+ arg32.lpfc_arg4 = arg64.lpfc_arg4;
+ arg32.lpfc_arg5 = arg64.lpfc_arg5;
+
+ if(copy_to_user((void __user *)arg, &arg32,
+ sizeof(struct lpfcCmdInput32)))
+ return -EFAULT;
+
+ return -ret;
+}
+#endif
+
+static struct file_operations lpfc_fops = {
+ .owner = THIS_MODULE,
+ .ioctl = lpfcdfc_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = lpfcdfc_compat_ioctl,
+#endif
+};
+
+int
+lpfc_cdev_init(void)
+{
+
+ lpfcdfc_major = register_chrdev(0, LPFC_CHAR_DEV_NAME, &lpfc_fops);
+ if (lpfcdfc_major < 0) {
+ printk(KERN_ERR "%s:%d Unable to register \"%s\" device.\n",
+ __FUNCTION__, __LINE__, LPFC_CHAR_DEV_NAME);
+ return lpfcdfc_major;
+ }
+
+ return 0;
+}
+
+void
+lpfc_cdev_exit(void)
+{
+ unregister_chrdev(lpfcdfc_major, LPFC_CHAR_DEV_NAME);
+}
diff -upN linux-2.6.17.i386/drivers/scsi/lpfc-stock/lpfc_ioctl.h linux-2.6.17.i386/drivers/scsi/lpfc/lpfc_ioctl.h
--- linux-2.6.17.i386/drivers/scsi/lpfc-stock/lpfc_ioctl.h
+++ linux-2.6.17.i386/drivers/scsi/lpfc/lpfc_ioctl.h
@@ -0,0 +1,175 @@
+/*******************************************************************
+ * This file is part of the Emulex Linux Device Driver for *
+ * Fibre Channel Host Bus Adapters. *
+ * Copyright (C) 2006 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. *
+ *******************************************************************/
+
+#define DFC_MAJOR_REV 81
+#define DFC_MINOR_REV 0
+
+#define LPFC_MAX_EVENT 128
+
+/* Event definitions for RegisterForEvent */
+#define FC_REG_LINK_EVENT 0x1 /* Register for link up / down events */
+#define FC_REG_RSCN_EVENT 0x2 /* Register for RSCN events */
+#define FC_REG_CT_EVENT 0x4 /* Register for CT request events */
+#ifndef FC_REG_DUMP_EVENT
+#define FC_REG_DUMP_EVENT 0x10 /* Register for Dump events */
+#endif
+
+#define FC_REG_EVENT_MASK 0xff /* event mask */
+
+
+#define LPFC_CT 0x42 /* Send CT passthru command */
+#define LPFC_HBA_RNID 0x52 /* Send an RNID request */
+#define LPFC_HBA_REFRESHINFO 0x56 /* Do a refresh of the stats */
+#define LPFC_SEND_ELS 0x57 /* Send out an ELS command */
+#define LPFC_HBA_SET_EVENT 0x59 /* Set FCP event(s) */
+#define LPFC_HBA_GET_EVENT 0x5a /* Get FCP event(s) */
+#define LPFC_HBA_SEND_MGMT_CMD 0x5b /* Send a management command */
+#define LPFC_HBA_SEND_MGMT_RSP 0x5c /* Send a management response */
+
+#define LPFC_GET_DFC_REV 0x68 /* Get the rev of the ioctl
+ driver */
+#define LPFC_LOOPBACK_TEST 0x72 /* Run Loopback test */
+#define LPFC_LOOPBACK_MODE 0x73 /* Enter Loopback mode */
+/* LPFC_LAST_IOCTL_USED 0x73 Last LPFC Ioctl used */
+
+#define INTERNAL_LOOP_BACK 0x1
+#define EXTERNAL_LOOP_BACK 0x2
+
+/* the DfcRevInfo structure */
+struct DfcRevInfo {
+ uint32_t a_Major;
+ uint32_t a_Minor;
+} ;
+
+#define LPFC_WWPN_TYPE 0
+#define LPFC_PORTID_TYPE 1
+#define LPFC_WWNN_TYPE 2
+
+struct nport_id {
+ uint32_t idType; /* 0 - wwpn, 1 - d_id, 2 - wwnn */
+ uint32_t d_id;
+ uint8_t wwpn[8];
+};
+
+#define LPFC_EVENT_LIP_OCCURRED 1
+#define LPFC_EVENT_LINK_UP 2
+#define LPFC_EVENT_LINK_DOWN 3
+#define LPFC_EVENT_LIP_RESET_OCCURRED 4
+#define LPFC_EVENT_RSCN 5
+#define LPFC_EVENT_PROPRIETARY 0xFFFF
+
+struct lpfc_hba_event_info {
+ uint32_t event_code;
+ uint32_t port_id;
+ union {
+ uint32_t rscn_event_info;
+ uint32_t pty_event_info;
+ } event;
+};
+
+
+#define LPFC_CHAR_DEV_NAME "lpfcdfc"
+
+/*
+ * Diagnostic (DFC) Command & Input structures: (LPFC)
+ */
+struct lpfcCmdInput {
+ short lpfc_brd;
+ short lpfc_ring;
+ short lpfc_iocb;
+ short lpfc_flag;
+ void *lpfc_arg1;
+ void *lpfc_arg2;
+ void *lpfc_arg3;
+ char *lpfc_dataout;
+ uint32_t lpfc_cmd;
+ uint32_t lpfc_outsz;
+ uint32_t lpfc_arg4;
+ uint32_t lpfc_arg5;
+};
+/* Used for ioctl command */
+#define LPFC_DFC_CMD_IOCTL_MAGIC 0xFC
+#define LPFC_DFC_CMD_IOCTL _IOWR(LPFC_DFC_CMD_IOCTL_MAGIC, 0x1,\
+ struct lpfcCmdInput)
+
+#ifdef CONFIG_COMPAT
+/* 32 bit version */
+struct lpfcCmdInput32 {
+ short lpfc_brd;
+ short lpfc_ring;
+ short lpfc_iocb;
+ short lpfc_flag;
+ u32 lpfc_arg1;
+ u32 lpfc_arg2;
+ u32 lpfc_arg3;
+ u32 lpfc_dataout;
+ uint32_t lpfc_cmd;
+ uint32_t lpfc_outsz;
+ uint32_t lpfc_arg4;
+ uint32_t lpfc_arg5;
+};
+#endif
+
+#define SLI_CT_ELX_LOOPBACK 0x10
+
+enum ELX_LOOPBACK_CMD {
+ ELX_LOOPBACK_XRI_SETUP,
+ ELX_LOOPBACK_DATA,
+};
+
+
+struct lpfc_link_info {
+ uint32_t a_linkEventTag;
+ uint32_t a_linkUp;
+ uint32_t a_linkDown;
+ uint32_t a_linkMulti;
+ uint32_t a_DID;
+ uint8_t a_topology;
+ uint8_t a_linkState;
+ uint8_t a_alpa;
+ uint8_t a_alpaCnt;
+ uint8_t a_alpaMap[128];
+ uint8_t a_wwpName[8];
+ uint8_t a_wwnName[8];
+};
+
+enum lpfc_host_event_code {
+ LPFCH_EVT_LIP = 0x1,
+ LPFCH_EVT_LINKUP = 0x2,
+ LPFCH_EVT_LINKDOWN = 0x3,
+ LPFCH_EVT_LIPRESET = 0x4,
+ LPFCH_EVT_RSCN = 0x5,
+ LPFCH_EVT_ADAPTER_CHANGE = 0x103,
+ LPFCH_EVT_PORT_UNKNOWN = 0x200,
+ LPFCH_EVT_PORT_OFFLINE = 0x201,
+ LPFCH_EVT_PORT_ONLINE = 0x202,
+ LPFCH_EVT_PORT_FABRIC = 0x204,
+ LPFCH_EVT_LINK_UNKNOWN = 0x500,
+ LPFCH_EVT_VENDOR_UNIQUE = 0xffff,
+};
+
+#define ELX_LOOPBACK_HEADER_SZ \
+ (size_t)(&((struct lpfc_sli_ct_request *)NULL)->un)
+
+struct lpfc_host_event {
+ uint32_t seq_num;
+ enum lpfc_host_event_code event_code;
+ uint32_t data;
+};
diff -upN linux-2.6.17.i386/drivers/scsi/lpfc-stock/lpfc_version.h linux-2.6.17.i386/drivers/scsi/lpfc/lpfc_version.h
--- linux-2.6.17.i386/drivers/scsi/lpfc-stock/lpfc_version.h
+++ linux-2.6.17.i386/drivers/scsi/lpfc/lpfc_version.h
@@ -18,7 +18,7 @@
* included with this package. *
*******************************************************************/
-#define LPFC_DRIVER_VERSION "8.1.10"
+#define LPFC_DRIVER_VERSION "8.1.10.1"
#define LPFC_DRIVER_NAME "lpfc"
diff -upN linux-2.6.17.i386/drivers/scsi/lpfc-stock/Makefile linux-2.6.17.i386/drivers/scsi/lpfc/Makefile
--- linux-2.6.17.i386/drivers/scsi/lpfc-stock/Makefile
+++ linux-2.6.17.i386/drivers/scsi/lpfc/Makefile
@@ -27,4 +27,5 @@ endif
obj-$(CONFIG_SCSI_LPFC) := lpfc.o
lpfc-objs := lpfc_mem.o lpfc_sli.o lpfc_ct.o lpfc_els.o lpfc_hbadisc.o \
- lpfc_init.o lpfc_mbox.o lpfc_nportdisc.o lpfc_scsi.o lpfc_attr.o
+ lpfc_init.o lpfc_mbox.o lpfc_nportdisc.o lpfc_scsi.o lpfc_attr.o \
+ lpfc_ioctl.o
distrib
>
Scientific%20Linux
>
5x
>
x86_64
>
by-pkgid
>
89877e42827f16fa5f86b1df0c2860b1
>
files
>
2117
