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authorMike Christie <michaelc@cs.wisc.edu>2007-05-30 21:57:12 +0400
committerJames Bottomley <jejb@mulgrave.(none)>2007-06-01 20:55:23 +0400
commit0801c242a33426fddc005c2f559a3d2fa6fca7eb (patch)
treebe5b4b54766ee7f53458a5cd69e9f9ada8102676 /drivers/scsi/libiscsi.c
parent1d9bf13a9cf91f8faf221e98a64dd1157bcf5fa9 (diff)
downloadlinux-0801c242a33426fddc005c2f559a3d2fa6fca7eb.tar.xz
[SCSI] libiscsi, iscsi_tcp, ib_iser : add sw iscsi host get/set params helpers
iscsid and udev need to key off the hw address being used so add some helpers for iser and iscsi tcp. Also convert them Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Cc: Roland Dreier <rdreier@cisco.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/libiscsi.c')
-rw-r--r--drivers/scsi/libiscsi.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 3f5b9b445b29..d430e227e9b7 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1462,6 +1462,7 @@ void iscsi_session_teardown(struct iscsi_cls_session *cls_session)
iscsi_pool_free(&session->cmdpool, (void**)session->cmds);
kfree(session->targetname);
+ kfree(session->hwaddress);
iscsi_destroy_session(cls_session);
scsi_host_put(shost);
@@ -1990,6 +1991,45 @@ int iscsi_conn_get_param(struct iscsi_cls_conn *cls_conn,
}
EXPORT_SYMBOL_GPL(iscsi_conn_get_param);
+int iscsi_host_get_param(struct Scsi_Host *shost, enum iscsi_host_param param,
+ char *buf)
+{
+ struct iscsi_session *session = iscsi_hostdata(shost->hostdata);
+ int len;
+
+ switch (param) {
+ case ISCSI_HOST_PARAM_HWADDRESS:
+ if (!session->hwaddress)
+ len = sprintf(buf, "%s\n", "default");
+ else
+ len = sprintf(buf, "%s\n", session->hwaddress);
+ break;
+ default:
+ return -ENOSYS;
+ }
+
+ return len;
+}
+EXPORT_SYMBOL_GPL(iscsi_host_get_param);
+
+int iscsi_host_set_param(struct Scsi_Host *shost, enum iscsi_host_param param,
+ char *buf, int buflen)
+{
+ struct iscsi_session *session = iscsi_hostdata(shost->hostdata);
+
+ switch (param) {
+ case ISCSI_HOST_PARAM_HWADDRESS:
+ if (!session->hwaddress)
+ session->hwaddress = kstrdup(buf, GFP_KERNEL);
+ break;
+ default:
+ return -ENOSYS;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(iscsi_host_set_param);
+
MODULE_AUTHOR("Mike Christie");
MODULE_DESCRIPTION("iSCSI library functions");
MODULE_LICENSE("GPL");