diff options
Diffstat (limited to 'drivers/ieee1394/nodemgr.c')
| -rw-r--r-- | drivers/ieee1394/nodemgr.c | 43 |
1 files changed, 26 insertions, 17 deletions
diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index f8f6079cc48..eabc51b23c0 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -327,34 +327,44 @@ static ssize_t fw_show_ne_bus_options(struct device *dev, struct device_attribut static DEVICE_ATTR(bus_options,S_IRUGO,fw_show_ne_bus_options,NULL); -/* tlabels_free, tlabels_allocations, tlabels_mask are read non-atomically - * here, therefore displayed values may be occasionally wrong. */ -static ssize_t fw_show_ne_tlabels_free(struct device *dev, struct device_attribute *attr, char *buf) +#ifdef HPSB_DEBUG_TLABELS +static ssize_t fw_show_ne_tlabels_free(struct device *dev, + struct device_attribute *attr, char *buf) { struct node_entry *ne = container_of(dev, struct node_entry, device); - return sprintf(buf, "%d\n", 64 - bitmap_weight(ne->tpool->pool, 64)); -} -static DEVICE_ATTR(tlabels_free,S_IRUGO,fw_show_ne_tlabels_free,NULL); + unsigned long flags; + unsigned long *tp = ne->host->tl_pool[NODEID_TO_NODE(ne->nodeid)].map; + int tf; + spin_lock_irqsave(&hpsb_tlabel_lock, flags); + tf = 64 - bitmap_weight(tp, 64); + spin_unlock_irqrestore(&hpsb_tlabel_lock, flags); -static ssize_t fw_show_ne_tlabels_allocations(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct node_entry *ne = container_of(dev, struct node_entry, device); - return sprintf(buf, "%u\n", ne->tpool->allocations); + return sprintf(buf, "%d\n", tf); } -static DEVICE_ATTR(tlabels_allocations,S_IRUGO,fw_show_ne_tlabels_allocations,NULL); +static DEVICE_ATTR(tlabels_free,S_IRUGO,fw_show_ne_tlabels_free,NULL); -static ssize_t fw_show_ne_tlabels_mask(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t fw_show_ne_tlabels_mask(struct device *dev, + struct device_attribute *attr, char *buf) { struct node_entry *ne = container_of(dev, struct node_entry, device); + unsigned long flags; + unsigned long *tp = ne->host->tl_pool[NODEID_TO_NODE(ne->nodeid)].map; + u64 tm; + + spin_lock_irqsave(&hpsb_tlabel_lock, flags); #if (BITS_PER_LONG <= 32) - return sprintf(buf, "0x%08lx%08lx\n", ne->tpool->pool[0], ne->tpool->pool[1]); + tm = ((u64)tp[0] << 32) + tp[1]; #else - return sprintf(buf, "0x%016lx\n", ne->tpool->pool[0]); + tm = tp[0]; #endif + spin_unlock_irqrestore(&hpsb_tlabel_lock, flags); + + return sprintf(buf, "0x%016llx\n", tm); } static DEVICE_ATTR(tlabels_mask, S_IRUGO, fw_show_ne_tlabels_mask, NULL); +#endif /* HPSB_DEBUG_TLABELS */ static ssize_t fw_set_ignore_driver(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) @@ -461,9 +471,10 @@ static struct device_attribute *const fw_ne_attrs[] = { &dev_attr_ne_vendor_id, &dev_attr_ne_nodeid, &dev_attr_bus_options, +#ifdef HPSB_DEBUG_TLABELS &dev_attr_tlabels_free, - &dev_attr_tlabels_allocations, &dev_attr_tlabels_mask, +#endif }; @@ -782,8 +793,6 @@ static struct node_entry *nodemgr_create_node(octlet_t guid, struct csr1212_csr if (!ne) return NULL; - ne->tpool = &host->tpool[nodeid & NODE_MASK]; - ne->host = host; ne->nodeid = nodeid; ne->generation = generation; |