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Message-Id: <6210a4b7340010b556b49b9175ac6c6d35f13f02.1479374719.git.jthumshirn@suse.de>
Date: Thu, 17 Nov 2016 10:31:15 +0100
From: Johannes Thumshirn <jthumshirn@...e.de>
To: James Bottomley <jejb@...ux.vnet.ibm.com>,
"Martin K . Petersen" <martin.petersen@...cle.com>
Cc: Hannes Reinecke <hare@...e.de>,
Christoph Hellwig <hch@...radead.org>,
Johannes Thumshirn <jthumshirn@...e.de>,
Steffen Maier <maier@...ux.vnet.ibm.com>,
Martin Schwidefsky <schwidefsky@...ibm.com>,
Heiko Carstens <heiko.carstens@...ibm.com>,
Tyrel Datwyler <tyreld@...ux.vnet.ibm.com>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Michael Ellerman <mpe@...erman.id.au>,
Johannes Thumshirn <jth@...nel.org>,
James Smart <james.smart@...adcom.com>,
Dick Kennedy <dick.kennedy@...adcom.com>,
qla2xxx-upstream@...gic.com (supporter:QLOGIC QLA2XXX FC-SCSI DRIVER),
linux-s390@...r.kernel.org (open list:S390 ZFCP DRIVER),
linux-kernel@...r.kernel.org (open list),
linux-scsi@...r.kernel.org (open list:IBM Power Virtual FC Device
Drivers),
linuxppc-dev@...ts.ozlabs.org (open list:LINUX FOR POWERPC (32-BIT AND
64-BIT)),
fcoe-devel@...n-fcoe.org (open list:FCOE SUBSYSTEM (libfc, libfcoe,
fcoe))
Subject: [PATCH v4 05/15] scsi: fc: provide fc_bsg_to_rport() helper
Provide fc_bsg_to_rport() helper that will become handy when we're moving
from struct fc_bsg_job to a plain struct bsg_job. Also move all LLDDs to use
the new helper.
Signed-off-by: Johannes Thumshirn <jthumshirn@...e.de>
Reviewed-by: Hannes Reinecke <hare@...e.com>
Acked-by: Tyrel Datwyler <tyreld@...ux.vnet.ibm.com>
---
drivers/s390/scsi/zfcp_fc.c | 8 +++++---
drivers/scsi/ibmvscsi/ibmvfc.c | 2 +-
drivers/scsi/libfc/fc_lport.c | 4 ++--
drivers/scsi/lpfc/lpfc_bsg.c | 4 ++--
drivers/scsi/qla2xxx/qla_bsg.c | 4 ++--
drivers/scsi/scsi_transport_fc.c | 3 ++-
include/scsi/scsi_transport_fc.h | 5 +++++
7 files changed, 19 insertions(+), 11 deletions(-)
diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c
index 3937deb..c751003 100644
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -901,12 +901,13 @@ static struct zfcp_fc_wka_port *zfcp_fc_job_wka_port(struct fc_bsg_job *job)
u8 gs_type;
struct zfcp_adapter *adapter;
struct fc_bsg_request *bsg_request = job->request;
+ struct fc_rport *rport = fc_bsg_to_rport(job);
struct Scsi_Host *shost;
preamble_word1 = bsg_request->rqst_data.r_ct.preamble_word1;
gs_type = (preamble_word1 & 0xff000000) >> 24;
- shost = fc_bsg_to_shost(job);
+ shost = rport ? rport_to_shost(rport) : fc_bsg_to_shost(job);
adapter = (struct zfcp_adapter *) shost->hostdata[0];
switch (gs_type) {
@@ -940,7 +941,7 @@ static int zfcp_fc_exec_els_job(struct fc_bsg_job *job,
struct zfcp_adapter *adapter)
{
struct zfcp_fsf_ct_els *els = job->dd_data;
- struct fc_rport *rport = job->rport;
+ struct fc_rport *rport = fc_bsg_to_rport(job);
struct fc_bsg_request *bsg_request = job->request;
struct zfcp_port *port;
u32 d_id;
@@ -988,8 +989,9 @@ int zfcp_fc_exec_bsg_job(struct fc_bsg_job *job)
struct zfcp_adapter *adapter;
struct zfcp_fsf_ct_els *ct_els = job->dd_data;
struct fc_bsg_request *bsg_request = job->request;
+ struct fc_rport *rport = fc_bsg_to_rport(job);
- shost = job->rport ? rport_to_shost(job->rport) : fc_bsg_to_shost(job);
+ shost = rport ? rport_to_shost(rport) : fc_bsg_to_shost(job);
adapter = (struct zfcp_adapter *)shost->hostdata[0];
if (!(atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_OPEN))
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 02df1f1..4c73fc7 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -1822,7 +1822,7 @@ static int ibmvfc_bsg_plogi(struct ibmvfc_host *vhost, unsigned int port_id)
static int ibmvfc_bsg_request(struct fc_bsg_job *job)
{
struct ibmvfc_host *vhost = shost_priv(fc_bsg_to_shost(job));
- struct fc_rport *rport = job->rport;
+ struct fc_rport *rport = fc_bsg_to_rport(job);
struct ibmvfc_passthru_mad *mad;
struct ibmvfc_event *evt;
union ibmvfc_iu rsp_iu;
diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index 3e3afe6..5e24ca3 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -2103,7 +2103,7 @@ int fc_lport_bsg_request(struct fc_bsg_job *job)
switch (bsg_request->msgcode) {
case FC_BSG_RPT_ELS:
- rport = job->rport;
+ rport = fc_bsg_to_rport(job);
if (!rport)
break;
@@ -2113,7 +2113,7 @@ int fc_lport_bsg_request(struct fc_bsg_job *job)
break;
case FC_BSG_RPT_CT:
- rport = job->rport;
+ rport = fc_bsg_to_rport(job);
if (!rport)
break;
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index 45184ee..19847d7 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -386,7 +386,7 @@ struct lpfc_dmabufext {
{
struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job));
struct lpfc_hba *phba = vport->phba;
- struct lpfc_rport_data *rdata = job->rport->dd_data;
+ struct lpfc_rport_data *rdata = fc_bsg_to_rport(job)->dd_data;
struct lpfc_nodelist *ndlp = rdata->pnode;
struct fc_bsg_reply *bsg_reply = job->reply;
struct ulp_bde64 *bpl = NULL;
@@ -660,7 +660,7 @@ struct lpfc_dmabufext {
{
struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job));
struct lpfc_hba *phba = vport->phba;
- struct lpfc_rport_data *rdata = job->rport->dd_data;
+ struct lpfc_rport_data *rdata = fc_bsg_to_rport(job)->dd_data;
struct lpfc_nodelist *ndlp = rdata->pnode;
struct fc_bsg_request *bsg_request = job->request;
struct fc_bsg_reply *bsg_reply = job->reply;
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index 109b852..917eafe 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -264,7 +264,7 @@
uint16_t nextlid = 0;
if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
- rport = bsg_job->rport;
+ rport = fc_bsg_to_rport(bsg_job);
fcport = *(fc_port_t **) rport->dd_data;
host = rport_to_shost(rport);
vha = shost_priv(host);
@@ -2485,7 +2485,7 @@
bsg_reply->reply_payload_rcv_len = 0;
if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
- rport = bsg_job->rport;
+ rport = fc_bsg_to_rport(bsg_job);
host = rport_to_shost(rport);
vha = shost_priv(host);
} else {
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index b6e7abf..0a66dfa 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -3640,11 +3640,12 @@ static void fc_bsg_softirq_done(struct request *rq)
{
struct fc_bsg_job *job = (void *) req->special;
struct Scsi_Host *shost = fc_bsg_to_shost(job);
+ struct fc_rport *rport = fc_bsg_to_rport(job);
struct fc_internal *i = to_fc_internal(shost->transportt);
unsigned long flags;
int err = 0, done = 0;
- if (job->rport && job->rport->port_state == FC_PORTSTATE_BLOCKED)
+ if (rport && rport->port_state == FC_PORTSTATE_BLOCKED)
return BLK_EH_RESET_TIMER;
spin_lock_irqsave(&job->job_lock, flags);
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index efb9488..9f53fe3 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -824,6 +824,11 @@ static inline struct Scsi_Host *fc_bsg_to_shost(struct fc_bsg_job *job)
return job->shost;
}
+static inline struct fc_rport *fc_bsg_to_rport(struct fc_bsg_job *job)
+{
+ return job->rport;
+}
+
struct scsi_transport_template *fc_attach_transport(
struct fc_function_template *);
void fc_release_transport(struct scsi_transport_template *);
--
1.8.5.6
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