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path: root/drivers/s390/scsi/zfcp_fc.c
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Diffstat (limited to 'drivers/s390/scsi/zfcp_fc.c')
-rw-r--r--drivers/s390/scsi/zfcp_fc.c52
1 files changed, 27 insertions, 25 deletions
diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c
index 7331eea67435..8210645c2111 100644
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -3,7 +3,7 @@
*
* Fibre Channel related functions for the zfcp device driver.
*
- * Copyright IBM Corp. 2008, 2010
+ * Copyright IBM Corp. 2008, 2017
*/
#define KMSG_COMPONENT "zfcp"
@@ -29,7 +29,7 @@ static u32 zfcp_fc_rscn_range_mask[] = {
};
static bool no_auto_port_rescan;
-module_param_named(no_auto_port_rescan, no_auto_port_rescan, bool, 0600);
+module_param(no_auto_port_rescan, bool, 0600);
MODULE_PARM_DESC(no_auto_port_rescan,
"no automatic port_rescan (default off)");
@@ -260,7 +260,8 @@ static void zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req)
page = (struct fc_els_rscn_page *) head;
/* see FC-FS */
- no_entries = head->rscn_plen / sizeof(struct fc_els_rscn_page);
+ no_entries = be16_to_cpu(head->rscn_plen) /
+ sizeof(struct fc_els_rscn_page);
for (i = 1; i < no_entries; i++) {
/* skip head and start with 1st element */
@@ -296,7 +297,7 @@ static void zfcp_fc_incoming_plogi(struct zfcp_fsf_req *req)
status_buffer = (struct fsf_status_read_buffer *) req->data;
plogi = (struct fc_els_flogi *) status_buffer->payload.data;
- zfcp_fc_incoming_wwpn(req, plogi->fl_wwpn);
+ zfcp_fc_incoming_wwpn(req, be64_to_cpu(plogi->fl_wwpn));
}
static void zfcp_fc_incoming_logo(struct zfcp_fsf_req *req)
@@ -306,7 +307,7 @@ static void zfcp_fc_incoming_logo(struct zfcp_fsf_req *req)
struct fc_els_logo *logo =
(struct fc_els_logo *) status_buffer->payload.data;
- zfcp_fc_incoming_wwpn(req, logo->fl_n_port_wwn);
+ zfcp_fc_incoming_wwpn(req, be64_to_cpu(logo->fl_n_port_wwn));
}
/**
@@ -335,7 +336,7 @@ static void zfcp_fc_ns_gid_pn_eval(struct zfcp_fc_req *fc_req)
if (ct_els->status)
return;
- if (gid_pn_rsp->ct_hdr.ct_cmd != FC_FS_ACC)
+ if (gid_pn_rsp->ct_hdr.ct_cmd != cpu_to_be16(FC_FS_ACC))
return;
/* looks like a valid d_id */
@@ -352,8 +353,8 @@ static void zfcp_fc_ct_ns_init(struct fc_ct_hdr *ct_hdr, u16 cmd, u16 mr_size)
ct_hdr->ct_rev = FC_CT_REV;
ct_hdr->ct_fs_type = FC_FST_DIR;
ct_hdr->ct_fs_subtype = FC_NS_SUBTYPE;
- ct_hdr->ct_cmd = cmd;
- ct_hdr->ct_mr_size = mr_size / 4;
+ ct_hdr->ct_cmd = cpu_to_be16(cmd);
+ ct_hdr->ct_mr_size = cpu_to_be16(mr_size / 4);
}
static int zfcp_fc_ns_gid_pn_request(struct zfcp_port *port,
@@ -376,7 +377,7 @@ static int zfcp_fc_ns_gid_pn_request(struct zfcp_port *port,
zfcp_fc_ct_ns_init(&gid_pn_req->ct_hdr,
FC_NS_GID_PN, ZFCP_FC_CT_SIZE_PAGE);
- gid_pn_req->gid_pn.fn_wwpn = port->wwpn;
+ gid_pn_req->gid_pn.fn_wwpn = cpu_to_be64(port->wwpn);
ret = zfcp_fsf_send_ct(&adapter->gs->ds, &fc_req->ct_els,
adapter->pool.gid_pn_req,
@@ -460,26 +461,26 @@ void zfcp_fc_trigger_did_lookup(struct zfcp_port *port)
*/
void zfcp_fc_plogi_evaluate(struct zfcp_port *port, struct fc_els_flogi *plogi)
{
- if (plogi->fl_wwpn != port->wwpn) {
+ if (be64_to_cpu(plogi->fl_wwpn) != port->wwpn) {
port->d_id = 0;
dev_warn(&port->adapter->ccw_device->dev,
"A port opened with WWPN 0x%016Lx returned data that "
"identifies it as WWPN 0x%016Lx\n",
(unsigned long long) port->wwpn,
- (unsigned long long) plogi->fl_wwpn);
+ (unsigned long long) be64_to_cpu(plogi->fl_wwpn));
return;
}
- port->wwnn = plogi->fl_wwnn;
- port->maxframe_size = plogi->fl_csp.sp_bb_data;
+ port->wwnn = be64_to_cpu(plogi->fl_wwnn);
+ port->maxframe_size = be16_to_cpu(plogi->fl_csp.sp_bb_data);
- if (plogi->fl_cssp[0].cp_class & FC_CPC_VALID)
+ if (plogi->fl_cssp[0].cp_class & cpu_to_be16(FC_CPC_VALID))
port->supported_classes |= FC_COS_CLASS1;
- if (plogi->fl_cssp[1].cp_class & FC_CPC_VALID)
+ if (plogi->fl_cssp[1].cp_class & cpu_to_be16(FC_CPC_VALID))
port->supported_classes |= FC_COS_CLASS2;
- if (plogi->fl_cssp[2].cp_class & FC_CPC_VALID)
+ if (plogi->fl_cssp[2].cp_class & cpu_to_be16(FC_CPC_VALID))
port->supported_classes |= FC_COS_CLASS3;
- if (plogi->fl_cssp[3].cp_class & FC_CPC_VALID)
+ if (plogi->fl_cssp[3].cp_class & cpu_to_be16(FC_CPC_VALID))
port->supported_classes |= FC_COS_CLASS4;
}
@@ -497,9 +498,9 @@ static void zfcp_fc_adisc_handler(void *data)
}
if (!port->wwnn)
- port->wwnn = adisc_resp->adisc_wwnn;
+ port->wwnn = be64_to_cpu(adisc_resp->adisc_wwnn);
- if ((port->wwpn != adisc_resp->adisc_wwpn) ||
+ if ((port->wwpn != be64_to_cpu(adisc_resp->adisc_wwpn)) ||
!(atomic_read(&port->status) & ZFCP_STATUS_COMMON_OPEN)) {
zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED,
"fcadh_2");
@@ -538,8 +539,8 @@ static int zfcp_fc_adisc(struct zfcp_port *port)
/* acc. to FC-FS, hard_nport_id in ADISC should not be set for ports
without FC-AL-2 capability, so we don't set it */
- fc_req->u.adisc.req.adisc_wwpn = fc_host_port_name(shost);
- fc_req->u.adisc.req.adisc_wwnn = fc_host_node_name(shost);
+ fc_req->u.adisc.req.adisc_wwpn = cpu_to_be64(fc_host_port_name(shost));
+ fc_req->u.adisc.req.adisc_wwnn = cpu_to_be64(fc_host_node_name(shost));
fc_req->u.adisc.req.adisc_cmd = ELS_ADISC;
hton24(fc_req->u.adisc.req.adisc_port_id, fc_host_port_id(shost));
@@ -666,8 +667,8 @@ static int zfcp_fc_eval_gpn_ft(struct zfcp_fc_req *fc_req,
if (ct_els->status)
return -EIO;
- if (hdr->ct_cmd != FC_FS_ACC) {
- if (hdr->ct_reason == FC_BA_RJT_UNABLE)
+ if (hdr->ct_cmd != cpu_to_be16(FC_FS_ACC)) {
+ if (hdr->ct_reason == FC_FS_RJT_UNABL)
return -EAGAIN; /* might be a temporary condition */
return -EIO;
}
@@ -693,10 +694,11 @@ static int zfcp_fc_eval_gpn_ft(struct zfcp_fc_req *fc_req,
if (d_id >= FC_FID_WELL_KNOWN_BASE)
continue;
/* skip the adapter's port and known remote ports */
- if (acc->fp_wwpn == fc_host_port_name(adapter->scsi_host))
+ if (be64_to_cpu(acc->fp_wwpn) ==
+ fc_host_port_name(adapter->scsi_host))
continue;
- port = zfcp_port_enqueue(adapter, acc->fp_wwpn,
+ port = zfcp_port_enqueue(adapter, be64_to_cpu(acc->fp_wwpn),
ZFCP_STATUS_COMMON_NOESC, d_id);
if (!IS_ERR(port))
zfcp_erp_port_reopen(port, 0, "fcegpf1");