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Diffstat (limited to 'drivers/scsi/scsi_transport_fc.c')
-rw-r--r--drivers/scsi/scsi_transport_fc.c54
1 files changed, 26 insertions, 28 deletions
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 9168883d0dfe..d5f7653bb94b 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -40,31 +40,7 @@
40 40
41static int fc_queue_work(struct Scsi_Host *, struct work_struct *); 41static int fc_queue_work(struct Scsi_Host *, struct work_struct *);
42static void fc_vport_sched_delete(struct work_struct *work); 42static void fc_vport_sched_delete(struct work_struct *work);
43 43static int fc_vport_setup(struct Scsi_Host *shost, int channel,
44/*
45 * This is a temporary carrier for creating a vport. It will eventually
46 * be replaced by a real message definition for sgio or netlink.
47 *
48 * fc_vport_identifiers: This set of data contains all elements
49 * to uniquely identify and instantiate a FC virtual port.
50 *
51 * Notes:
52 * symbolic_name: The driver is to append the symbolic_name string data
53 * to the symbolic_node_name data that it generates by default.
54 * the resulting combination should then be registered with the switch.
55 * It is expected that things like Xen may stuff a VM title into
56 * this field.
57 */
58struct fc_vport_identifiers {
59 u64 node_name;
60 u64 port_name;
61 u32 roles;
62 bool disable;
63 enum fc_port_type vport_type; /* only FC_PORTTYPE_NPIV allowed */
64 char symbolic_name[FC_VPORT_SYMBOLIC_NAMELEN];
65};
66
67static int fc_vport_create(struct Scsi_Host *shost, int channel,
68 struct device *pdev, struct fc_vport_identifiers *ids, 44 struct device *pdev, struct fc_vport_identifiers *ids,
69 struct fc_vport **vport); 45 struct fc_vport **vport);
70 46
@@ -1760,7 +1736,7 @@ store_fc_host_vport_create(struct device *dev, struct device_attribute *attr,
1760 vid.disable = false; /* always enabled */ 1736 vid.disable = false; /* always enabled */
1761 1737
1762 /* we only allow support on Channel 0 !!! */ 1738 /* we only allow support on Channel 0 !!! */
1763 stat = fc_vport_create(shost, 0, &shost->shost_gendev, &vid, &vport); 1739 stat = fc_vport_setup(shost, 0, &shost->shost_gendev, &vid, &vport);
1764 return stat ? stat : count; 1740 return stat ? stat : count;
1765} 1741}
1766static FC_DEVICE_ATTR(host, vport_create, S_IWUSR, NULL, 1742static FC_DEVICE_ATTR(host, vport_create, S_IWUSR, NULL,
@@ -3103,7 +3079,7 @@ fc_scsi_scan_rport(struct work_struct *work)
3103 3079
3104 3080
3105/** 3081/**
3106 * fc_vport_create - allocates and creates a FC virtual port. 3082 * fc_vport_setup - allocates and creates a FC virtual port.
3107 * @shost: scsi host the virtual port is connected to. 3083 * @shost: scsi host the virtual port is connected to.
3108 * @channel: Channel on shost port connected to. 3084 * @channel: Channel on shost port connected to.
3109 * @pdev: parent device for vport 3085 * @pdev: parent device for vport
@@ -3118,7 +3094,7 @@ fc_scsi_scan_rport(struct work_struct *work)
3118 * This routine assumes no locks are held on entry. 3094 * This routine assumes no locks are held on entry.
3119 */ 3095 */
3120static int 3096static int
3121fc_vport_create(struct Scsi_Host *shost, int channel, struct device *pdev, 3097fc_vport_setup(struct Scsi_Host *shost, int channel, struct device *pdev,
3122 struct fc_vport_identifiers *ids, struct fc_vport **ret_vport) 3098 struct fc_vport_identifiers *ids, struct fc_vport **ret_vport)
3123{ 3099{
3124 struct fc_host_attrs *fc_host = shost_to_fc_host(shost); 3100 struct fc_host_attrs *fc_host = shost_to_fc_host(shost);
@@ -3231,6 +3207,28 @@ delete_vport:
3231 return error; 3207 return error;
3232} 3208}
3233 3209
3210/**
3211 * fc_vport_create - Admin App or LLDD requests creation of a vport
3212 * @shost: scsi host the virtual port is connected to.
3213 * @channel: channel on shost port connected to.
3214 * @ids: The world wide names, FC4 port roles, etc for
3215 * the virtual port.
3216 *
3217 * Notes:
3218 * This routine assumes no locks are held on entry.
3219 */
3220struct fc_vport *
3221fc_vport_create(struct Scsi_Host *shost, int channel,
3222 struct fc_vport_identifiers *ids)
3223{
3224 int stat;
3225 struct fc_vport *vport;
3226
3227 stat = fc_vport_setup(shost, channel, &shost->shost_gendev,
3228 ids, &vport);
3229 return stat ? NULL : vport;
3230}
3231EXPORT_SYMBOL(fc_vport_create);
3234 3232
3235/** 3233/**
3236 * fc_vport_terminate - Admin App or LLDD requests termination of a vport 3234 * fc_vport_terminate - Admin App or LLDD requests termination of a vport