79 	    (xen_mce_chrdev_open_count && (file->f_flags & O_EXCL))) {  in xen_mce_chrdev_open()
82 		return -EBUSY;  in xen_mce_chrdev_open()
85 	if (file->f_flags & O_EXCL)  in xen_mce_chrdev_open()
98 	xen_mce_chrdev_open_count--;  in xen_mce_chrdev_release()
110 	unsigned num;  in xen_mce_chrdev_read()  local
115 	num = xen_mcelog.next;  in xen_mce_chrdev_read()
118 	err = -EINVAL;  in xen_mce_chrdev_read()
123 	for (i = 0; i < num; i++) {  in xen_mce_chrdev_read()
124 		struct xen_mce *m = &xen_mcelog.entry[i];  in xen_mce_chrdev_read()  local
126 		err |= copy_to_user(buf, m, sizeof(*m));  in xen_mce_chrdev_read()
127 		buf += sizeof(*m);  in xen_mce_chrdev_read()
130 	memset(xen_mcelog.entry, 0, num * sizeof(struct xen_mce));  in xen_mce_chrdev_read()
134 		err = -EFAULT;  in xen_mce_chrdev_read()
139 	return err ? err : buf - ubuf;  in xen_mce_chrdev_read()
158 		return -EPERM;  in xen_mce_chrdev_ioctl()
175 		return -ENOTTY;  in xen_mce_chrdev_ioctl()
223 	struct xen_mce m;  in convert_log()  local
230 		return -ENODEV;  in convert_log()
233 	memset(&m, 0, sizeof(struct xen_mce));  in convert_log()
236 	m.mcgstatus = mc_global->mc_gstatus;  in convert_log()
237 	m.apicid = mc_global->mc_apicid;  in convert_log()
240 		if (g_physinfo[i].mc_apicid == m.apicid)  in convert_log()
243 		pr_warn("Failed to match cpu with apicid %d\n", m.apicid);  in convert_log()
244 		return -ENODEV;  in convert_log()
247 	m.socketid = g_physinfo[i].mc_chipid;  in convert_log()
248 	m.cpu = m.extcpu = g_physinfo[i].mc_cpunr;  in convert_log()
249 	m.cpuvendor = (__u8)g_physinfo[i].mc_vendor;  in convert_log()
253 			m.mcgcap = g_physinfo[i].mc_msrvalues[j].value;  in convert_log()
258 			m.ppin = g_physinfo[i].mc_msrvalues[j].value;  in convert_log()
266 		return -ENODEV;  in convert_log()
270 		if ((!mic) || (mic->size == 0) ||  in convert_log()
271 		    (mic->type != MC_TYPE_GLOBAL   &&  in convert_log()
272 		     mic->type != MC_TYPE_BANK     &&  in convert_log()
273 		     mic->type != MC_TYPE_EXTENDED &&  in convert_log()
274 		     mic->type != MC_TYPE_RECOVERY))  in convert_log()
277 		if (mic->type == MC_TYPE_BANK) {  in convert_log()
279 			m.misc = mc_bank->mc_misc;  in convert_log()
280 			m.status = mc_bank->mc_status;  in convert_log()
281 			m.addr = mc_bank->mc_addr;  in convert_log()
282 			m.tsc = mc_bank->mc_tsc;  in convert_log()
283 			m.bank = mc_bank->mc_bank;  in convert_log()
284 			m.finished = 1;  in convert_log()
286 			xen_mce_log(&m);  in convert_log()
381 		return -ENOMEM;  in bind_virq_for_mce()
407 		return -ENODEV;  in xen_late_init_mcelog()