int chsc_determine_base_channel_path_desc(struct chp_id chpid,
struct channel_path_desc *desc)
{
struct chsc_response_struct *chsc_resp;
int ret;
chsc_resp = kzalloc(sizeof(*chsc_resp), GFP_KERNEL);
if (!chsc_resp)
return -ENOMEM;
ret = chsc_determine_channel_path_desc(chpid, 0, 0, 0, 0, chsc_resp);
if (ret)
goto out_free;
memcpy(desc, &chsc_resp->data, chsc_resp->length);
out_free:
kfree(chsc_resp);
return ret;
}
int chsc_determine_fmt1_channel_path_desc(struct chp_id chpid,
struct channel_path_desc_fmt1 *desc)
{
struct chsc_response_struct *chsc_resp;
struct chsc_scpd *scpd_area;
int ret;
spin_lock_irq(&chsc_page_lock);
scpd_area = chsc_page;
ret = chsc_determine_channel_path_desc(chpid, 0, 0, 1, 0, scpd_area);
if (ret)
goto out;
chsc_resp = (void *)&scpd_area->response;
memcpy(desc, &chsc_resp->data, sizeof(*desc));
out:
spin_unlock_irq(&chsc_page_lock);
return ret;
}
int chsc_determine_base_channel_path_desc(struct chp_id chpid,
struct channel_path_desc *desc)
{
struct chsc_response_struct *chsc_resp;
struct chsc_scpd *scpd_area;
unsigned long flags;
int ret;
spin_lock_irqsave(&chsc_page_lock, flags);
scpd_area = chsc_page;
ret = chsc_determine_channel_path_desc(chpid, 0, 0, 0, 0, scpd_area);
if (ret)
goto out;
chsc_resp = (void *)&scpd_area->response;
memcpy(desc, &chsc_resp->data, sizeof(*desc));
out:
spin_unlock_irqrestore(&chsc_page_lock, flags);
return ret;
}