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[SCSI] lpfc 8.3.8: (BSG1) Update BSG infrastructure 

Update BSG infrastructure to handle new vendor specific BSG commands.

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
James Smart 2010-01-26 23:08:55 -05:00 committed by James Bottomley
parent 65467b6bdf
commit 4fede78f75
7 changed files with 47 additions and 54 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/scsi/lpfc/lpfc.h
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2009 Emulex. All rights reserved. *
* Copyright (C) 2004-2010 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@ -451,6 +451,8 @@ struct unsol_rcv_ct_ctx {
uint32_t ctxt_id;
uint32_t SID;
uint32_t oxid;
uint32_t flags;
#define UNSOL_VALID 0x00000001
};
struct lpfc_hba {
@ -793,7 +795,7 @@ struct lpfc_hba {
uint16_t vlan_id;
struct list_head fcf_conn_rec_list;
struct mutex ct_event_mutex; /* synchronize access to ct_ev_waiters */
spinlock_t ct_ev_lock; /* synchronize access to ct_ev_waiters */
struct list_head ct_ev_waiters;
struct unsol_rcv_ct_ctx ct_ctx[64];
uint32_t ctx_idx;

52
drivers/scsi/lpfc/lpfc_bsg.c
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2009 Emulex. All rights reserved. *
* Copyright (C) 2009-2010 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
@ -33,6 +33,7 @@
#include "lpfc_sli.h"
#include "lpfc_sli4.h"
#include "lpfc_nl.h"
#include "lpfc_bsg.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
@ -476,7 +477,7 @@ enum ELX_LOOPBACK_CMD {
* This function is called when an unsolicited CT command is received. It
* forwards the event to any processes registerd to receive CT events.
*/
void
int
lpfc_bsg_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
struct lpfc_iocbq *piocbq)
{
@ -496,6 +497,7 @@ lpfc_bsg_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
struct lpfc_dmabuf *bdeBuf2 = piocbq->context3;
struct lpfc_hbq_entry *hbqe;
struct lpfc_sli_ct_request *ct_req;
unsigned long flags;
INIT_LIST_HEAD(&head);
list_add_tail(&head, &piocbq->list);
@ -519,7 +521,7 @@ lpfc_bsg_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
lpfc_sli_ringpostbuf_put(phba, pring, dmabuf);
mutex_lock(&phba->ct_event_mutex);
spin_lock_irqsave(&phba->ct_ev_lock, flags);
list_for_each_entry(evt, &phba->ct_ev_waiters, node) {
if (evt->req_id != evt_req_id)
continue;
@ -535,7 +537,7 @@ lpfc_bsg_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
break;
}
mutex_unlock(&phba->ct_event_mutex);
spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
/* take accumulated byte count from the last iocbq */
@ -556,9 +558,9 @@ lpfc_bsg_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
"CT event data, size %d\n",
evt_dat->len);
kfree(evt_dat);
mutex_lock(&phba->ct_event_mutex);
spin_lock_irqsave(&phba->ct_ev_lock, flags);
lpfc_ct_event_unref(evt);
mutex_unlock(&phba->ct_event_mutex);
spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
goto error_ct_unsol_exit;
}
@ -601,9 +603,11 @@ lpfc_bsg_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
iocbq);
kfree(evt_dat->data);
kfree(evt_dat);
mutex_lock(&phba->ct_event_mutex);
spin_lock_irqsave(&phba->ct_ev_lock,
flags);
lpfc_ct_event_unref(evt);
mutex_unlock(&phba->ct_event_mutex);
spin_unlock_irqrestore(
&phba->ct_ev_lock, flags);
goto error_ct_unsol_exit;
}
memcpy((char *)(evt_dat->data) + offset,
@ -638,7 +642,7 @@ lpfc_bsg_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
}
}
mutex_lock(&phba->ct_event_mutex);
spin_lock_irqsave(&phba->ct_ev_lock, flags);
if (phba->sli_rev == LPFC_SLI_REV4) {
evt_dat->immed_dat = phba->ctx_idx;
phba->ctx_idx = (phba->ctx_idx + 1) % 64;
@ -656,13 +660,13 @@ lpfc_bsg_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
if (evt_req_id == SLI_CT_ELX_LOOPBACK)
break;
}
mutex_unlock(&phba->ct_event_mutex);
spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
error_ct_unsol_exit:
if (!list_empty(&head))
list_del(&head);
return;
return 1;
}
/**
@ -676,6 +680,7 @@ lpfc_bsg_set_event(struct fc_bsg_job *job)
struct lpfc_hba *phba = vport->phba;
struct set_ct_event *event_req;
struct lpfc_ct_event *evt;
unsigned long flags;
int rc = 0;
if (job->request_len <
@ -689,7 +694,7 @@ lpfc_bsg_set_event(struct fc_bsg_job *job)
event_req = (struct set_ct_event *)
job->request->rqst_data.h_vendor.vendor_cmd;
mutex_lock(&phba->ct_event_mutex);
spin_lock_irqsave(&phba->ct_ev_lock, flags);
list_for_each_entry(evt, &phba->ct_ev_waiters, node) {
if (evt->reg_id == event_req->ev_reg_id) {
lpfc_ct_event_ref(evt);
@ -697,7 +702,7 @@ lpfc_bsg_set_event(struct fc_bsg_job *job)
break;
}
}
mutex_unlock(&phba->ct_event_mutex);
spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
if (&evt->node == &phba->ct_ev_waiters) {
/* no event waiting struct yet - first call */
@ -710,19 +715,19 @@ lpfc_bsg_set_event(struct fc_bsg_job *job)
return -ENOMEM;
}
mutex_lock(&phba->ct_event_mutex);
spin_lock_irqsave(&phba->ct_ev_lock, flags);
list_add(&evt->node, &phba->ct_ev_waiters);
lpfc_ct_event_ref(evt);
mutex_unlock(&phba->ct_event_mutex);
spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
}
evt->waiting = 1;
if (wait_event_interruptible(evt->wq,
!list_empty(&evt->events_to_see))) {
mutex_lock(&phba->ct_event_mutex);
spin_lock_irqsave(&phba->ct_ev_lock, flags);
lpfc_ct_event_unref(evt); /* release ref */
lpfc_ct_event_unref(evt); /* delete */
mutex_unlock(&phba->ct_event_mutex);
spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
rc = -EINTR;
goto set_event_out;
}
@ -730,10 +735,10 @@ lpfc_bsg_set_event(struct fc_bsg_job *job)
evt->wait_time_stamp = jiffies;
evt->waiting = 0;
mutex_lock(&phba->ct_event_mutex);
spin_lock_irqsave(&phba->ct_ev_lock, flags);
list_move(evt->events_to_see.prev, &evt->events_to_get);
lpfc_ct_event_unref(evt); /* release ref */
mutex_unlock(&phba->ct_event_mutex);
spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
set_event_out:
/* set_event carries no reply payload */
@ -759,6 +764,7 @@ lpfc_bsg_get_event(struct fc_bsg_job *job)
struct get_ct_event_reply *event_reply;
struct lpfc_ct_event *evt;
struct event_data *evt_dat = NULL;
unsigned long flags;
int rc = 0;
if (job->request_len <
@ -775,7 +781,7 @@ lpfc_bsg_get_event(struct fc_bsg_job *job)
event_reply = (struct get_ct_event_reply *)
job->reply->reply_data.vendor_reply.vendor_rsp;
mutex_lock(&phba->ct_event_mutex);
spin_lock_irqsave(&phba->ct_ev_lock, flags);
list_for_each_entry(evt, &phba->ct_ev_waiters, node) {
if (evt->reg_id == event_req->ev_reg_id) {
if (list_empty(&evt->events_to_get))
@ -788,7 +794,7 @@ lpfc_bsg_get_event(struct fc_bsg_job *job)
break;
}
}
mutex_unlock(&phba->ct_event_mutex);
spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
if (!evt_dat) {
job->reply->reply_payload_rcv_len = 0;
@ -818,9 +824,9 @@ lpfc_bsg_get_event(struct fc_bsg_job *job)
if (evt_dat)
kfree(evt_dat->data);
kfree(evt_dat);
mutex_lock(&phba->ct_event_mutex);
spin_lock_irqsave(&phba->ct_ev_lock, flags);
lpfc_ct_event_unref(evt);
mutex_unlock(&phba->ct_event_mutex);
spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
error_get_event_exit:
/* make error code available to userspace */

4
drivers/scsi/lpfc/lpfc_crtn.h
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2008 Emulex. All rights reserved. *
* Copyright (C) 2004-2010 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
@ -383,5 +383,5 @@ struct lpfc_vport *lpfc_find_vport_by_vpid(struct lpfc_hba *, uint16_t);
/* functions to support SGIOv4/bsg interface */
int lpfc_bsg_request(struct fc_bsg_job *);
int lpfc_bsg_timeout(struct fc_bsg_job *);
void lpfc_bsg_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
int lpfc_bsg_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
struct lpfc_iocbq *);

8
drivers/scsi/lpfc/lpfc_ct.c
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2009 Emulex. All rights reserved. *
* Copyright (C) 2004-2010 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
@ -97,7 +97,8 @@ lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
struct list_head head;
struct lpfc_dmabuf *bdeBuf;
lpfc_bsg_ct_unsol_event(phba, pring, piocbq);
if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0)
return;
if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
@ -181,7 +182,8 @@ lpfc_sli4_ct_abort_unsol_event(struct lpfc_hba *phba,
uint32_t size;
/* Forward abort event to any process registered to receive ct event */
lpfc_bsg_ct_unsol_event(phba, pring, piocbq);
if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0)
return;
/* If there is no BDE associated with IOCB, there is nothing to do */
if (icmd->ulpBdeCount == 0)

5
drivers/scsi/lpfc/lpfc_hw.h
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2009 Emulex. All rights reserved. *
* Copyright (C) 2004-2010 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
@ -1346,6 +1346,9 @@ typedef struct { /* FireFly BIU registers */
#define MBX_HEARTBEAT 0x31
#define MBX_WRITE_VPARMS 0x32
#define MBX_ASYNCEVT_ENABLE 0x33
#define MBX_READ_EVENT_LOG_STATUS 0x37
#define MBX_READ_EVENT_LOG 0x38
#define MBX_WRITE_EVENT_LOG 0x39
#define MBX_PORT_CAPABILITIES 0x3B
#define MBX_PORT_IOV_CONTROL 0x3C

4
drivers/scsi/lpfc/lpfc_init.c
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2009 Emulex. All rights reserved. *
* Copyright (C) 2004-2010 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@ -4331,7 +4331,7 @@ lpfc_hba_alloc(struct pci_dev *pdev)
return NULL;
}
mutex_init(&phba->ct_event_mutex);
spin_lock_init(&phba->ct_ev_lock);
INIT_LIST_HEAD(&phba->ct_ev_waiters);
return phba;

22
drivers/scsi/lpfc/lpfc_nl.h
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2008 Emulex. All rights reserved. *
* Copyright (C) 2010 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
@ -177,23 +177,3 @@ struct temp_event {
uint32_t data;
};
/* bsg definitions */
#define LPFC_BSG_VENDOR_SET_CT_EVENT 1
#define LPFC_BSG_VENDOR_GET_CT_EVENT 2
struct set_ct_event {
uint32_t command;
uint32_t ev_req_id;
uint32_t ev_reg_id;
};
struct get_ct_event {
uint32_t command;
uint32_t ev_reg_id;
uint32_t ev_req_id;
};
struct get_ct_event_reply {
uint32_t immed_data;
uint32_t type;
};