+ css->global_pgid.cpu_id = ((cpuid_t *) __LC_CPUID)->ident;
+ css->global_pgid.cpu_model = ((cpuid_t *) __LC_CPUID)->machine;
+ css->global_pgid.tod_high = tod_high;
+
+}
+
+static void
+channel_subsystem_release(struct device *dev)
+{
+ struct channel_subsystem *css;
+
+ css = to_css(dev);
+ mutex_destroy(&css->mutex);
+ kfree(css);
+}
+
+static ssize_t
+css_cm_enable_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct channel_subsystem *css = to_css(dev);
+
+ if (!css)
+ return 0;
+ return sprintf(buf, "%x\n", css->cm_enabled);
+}
+
+static ssize_t
+css_cm_enable_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct channel_subsystem *css = to_css(dev);
+ int ret;
+
+ switch (buf[0]) {
+ case '0':
+ ret = css->cm_enabled ? chsc_secm(css, 0) : 0;
+ break;
+ case '1':
+ ret = css->cm_enabled ? 0 : chsc_secm(css, 1);
+ break;
+ default:
+ ret = -EINVAL;
+ }
+ return ret < 0 ? ret : count;
+}
+
+static DEVICE_ATTR(cm_enable, 0644, css_cm_enable_show, css_cm_enable_store);
+
+static inline void __init
+setup_css(int nr)
+{
+ u32 tod_high;
+
+ memset(css[nr], 0, sizeof(struct channel_subsystem));
+ mutex_init(&css[nr]->mutex);
+ css[nr]->valid = 1;
+ css[nr]->cssid = nr;
+ sprintf(css[nr]->device.bus_id, "css%x", nr);
+ css[nr]->device.release = channel_subsystem_release;
+ tod_high = (u32) (get_clock() >> 32);
+ css_generate_pgid(css[nr], tod_high);