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| author | Mike Christie <michaelc@cs.wisc.edu> | 2007-05-30 19:57:12 +0200 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.(none)> | 2007-06-01 18:55:23 +0200 |
| commit | 0801c242a33426fddc005c2f559a3d2fa6fca7eb (patch) | |
| tree | be5b4b54766ee7f53458a5cd69e9f9ada8102676 /drivers/scsi/libiscsi.c | |
| parent | [SCSI] iscsi class: add iscsi host set param event (diff) | |
| download | linux-0801c242a33426fddc005c2f559a3d2fa6fca7eb.tar.xz linux-0801c242a33426fddc005c2f559a3d2fa6fca7eb.zip | |
[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.c | 40 |
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"); |