1 files changed, 0 insertions, 220 deletions
diff --git a/arch/s390/kernel/diag.c b/arch/s390/kernel/diag.c
deleted file mode 100644
index a778714e4d8b..000000000000
--- a/arch/s390/kernel/diag.c
+++ /dev/null
@@ -1,220 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Implementation of s390 diagnose codes
- *
- * Copyright IBM Corp. 2007
- * Author(s): Michael Holzheu <holzheu@de.ibm.com>
- */
-
-#include <linux/export.h>
-#include <linux/init.h>
-#include <linux/cpu.h>
-#include <linux/seq_file.h>
-#include <linux/debugfs.h>
-#include <asm/asm-extable.h>
-#include <asm/diag.h>
-#include <asm/trace/diag.h>
-#include <asm/sections.h>
-#include "entry.h"
-
-struct diag_stat {
-	unsigned int counter[NR_DIAG_STAT];
-};
-
-static DEFINE_PER_CPU(struct diag_stat, diag_stat);
-
-struct diag_desc {
-	int code;
-	char *name;
-};
-
-static const struct diag_desc diag_map[NR_DIAG_STAT] = {
-	[DIAG_STAT_X008] = { .code = 0x008, .name = "Console Function" },
-	[DIAG_STAT_X00C] = { .code = 0x00c, .name = "Pseudo Timer" },
-	[DIAG_STAT_X010] = { .code = 0x010, .name = "Release Pages" },
-	[DIAG_STAT_X014] = { .code = 0x014, .name = "Spool File Services" },
-	[DIAG_STAT_X044] = { .code = 0x044, .name = "Voluntary Timeslice End" },
-	[DIAG_STAT_X064] = { .code = 0x064, .name = "NSS Manipulation" },
-	[DIAG_STAT_X09C] = { .code = 0x09c, .name = "Relinquish Timeslice" },
-	[DIAG_STAT_X0DC] = { .code = 0x0dc, .name = "Appldata Control" },
-	[DIAG_STAT_X204] = { .code = 0x204, .name = "Logical-CPU Utilization" },
-	[DIAG_STAT_X210] = { .code = 0x210, .name = "Device Information" },
-	[DIAG_STAT_X224] = { .code = 0x224, .name = "EBCDIC-Name Table" },
-	[DIAG_STAT_X250] = { .code = 0x250, .name = "Block I/O" },
-	[DIAG_STAT_X258] = { .code = 0x258, .name = "Page-Reference Services" },
-	[DIAG_STAT_X26C] = { .code = 0x26c, .name = "Certain System Information" },
-	[DIAG_STAT_X288] = { .code = 0x288, .name = "Time Bomb" },
-	[DIAG_STAT_X2C4] = { .code = 0x2c4, .name = "FTP Services" },
-	[DIAG_STAT_X2FC] = { .code = 0x2fc, .name = "Guest Performance Data" },
-	[DIAG_STAT_X304] = { .code = 0x304, .name = "Partition-Resource Service" },
-	[DIAG_STAT_X308] = { .code = 0x308, .name = "List-Directed IPL" },
-	[DIAG_STAT_X318] = { .code = 0x318, .name = "CP Name and Version Codes" },
-	[DIAG_STAT_X500] = { .code = 0x500, .name = "Virtio Service" },
-};
-
-struct diag_ops __amode31_ref diag_amode31_ops = {
-	.diag210 = _diag210_amode31,
-	.diag26c = _diag26c_amode31,
-	.diag14 = _diag14_amode31,
-	.diag0c = _diag0c_amode31,
-	.diag308_reset = _diag308_reset_amode31
-};
-
-static struct diag210 _diag210_tmp_amode31 __section(".amode31.data");
-struct diag210 __amode31_ref *__diag210_tmp_amode31 = &_diag210_tmp_amode31;
-
-static int show_diag_stat(struct seq_file *m, void *v)
-{
-	struct diag_stat *stat;
-	unsigned long n = (unsigned long) v - 1;
-	int cpu, prec, tmp;
-
-	cpus_read_lock();
-	if (n == 0) {
-		seq_puts(m, "         ");
-
-		for_each_online_cpu(cpu) {
-			prec = 10;
-			for (tmp = 10; cpu >= tmp; tmp *= 10)
-				prec--;
-			seq_printf(m, "%*s%d", prec, "CPU", cpu);
-		}
-		seq_putc(m, '\n');
-	} else if (n <= NR_DIAG_STAT) {
-		seq_printf(m, "diag %03x:", diag_map[n-1].code);
-		for_each_online_cpu(cpu) {
-			stat = &per_cpu(diag_stat, cpu);
-			seq_printf(m, " %10u", stat->counter[n-1]);
-		}
-		seq_printf(m, "    %s\n", diag_map[n-1].name);
-	}
-	cpus_read_unlock();
-	return 0;
-}
-
-static void *show_diag_stat_start(struct seq_file *m, loff_t *pos)
-{
-	return *pos <= NR_DIAG_STAT ? (void *)((unsigned long) *pos + 1) : NULL;
-}
-
-static void *show_diag_stat_next(struct seq_file *m, void *v, loff_t *pos)
-{
-	++*pos;
-	return show_diag_stat_start(m, pos);
-}
-
-static void show_diag_stat_stop(struct seq_file *m, void *v)
-{
-}
-
-static const struct seq_operations show_diag_stat_sops = {
-	.start	= show_diag_stat_start,
-	.next	= show_diag_stat_next,
-	.stop	= show_diag_stat_stop,
-	.show	= show_diag_stat,
-};
-
-DEFINE_SEQ_ATTRIBUTE(show_diag_stat);
-
-static int __init show_diag_stat_init(void)
-{
-	debugfs_create_file("diag_stat", 0400, NULL, NULL,
-			    &show_diag_stat_fops);
-	return 0;
-}
-
-device_initcall(show_diag_stat_init);
-
-void diag_stat_inc(enum diag_stat_enum nr)
-{
-	this_cpu_inc(diag_stat.counter[nr]);
-	trace_s390_diagnose(diag_map[nr].code);
-}
-EXPORT_SYMBOL(diag_stat_inc);
-
-void notrace diag_stat_inc_norecursion(enum diag_stat_enum nr)
-{
-	this_cpu_inc(diag_stat.counter[nr]);
-	trace_s390_diagnose_norecursion(diag_map[nr].code);
-}
-EXPORT_SYMBOL(diag_stat_inc_norecursion);
-
-/*
- * Diagnose 14: Input spool file manipulation
- */
-int diag14(unsigned long rx, unsigned long ry1, unsigned long subcode)
-{
-	diag_stat_inc(DIAG_STAT_X014);
-	return diag_amode31_ops.diag14(rx, ry1, subcode);
-}
-EXPORT_SYMBOL(diag14);
-
-static inline int __diag204(unsigned long *subcode, unsigned long size, void *addr)
-{
-	union register_pair rp = { .even = *subcode, .odd = size };
-
-	asm volatile(
-		"	diag	%[addr],%[rp],0x204\n"
-		"0:	nopr	%%r7\n"
-		EX_TABLE(0b,0b)
-		: [rp] "+&d" (rp.pair) : [addr] "d" (addr) : "memory");
-	*subcode = rp.even;
-	return rp.odd;
-}
-
-int diag204(unsigned long subcode, unsigned long size, void *addr)
-{
-	diag_stat_inc(DIAG_STAT_X204);
-	size = __diag204(&subcode, size, addr);
-	if (subcode)
-		return -1;
-	return size;
-}
-EXPORT_SYMBOL(diag204);
-
-/*
- * Diagnose 210: Get information about a virtual device
- */
-int diag210(struct diag210 *addr)
-{
-	static DEFINE_SPINLOCK(diag210_lock);
-	unsigned long flags;
-	int ccode;
-
-	spin_lock_irqsave(&diag210_lock, flags);
-	*__diag210_tmp_amode31 = *addr;
-
-	diag_stat_inc(DIAG_STAT_X210);
-	ccode = diag_amode31_ops.diag210(__diag210_tmp_amode31);
-
-	*addr = *__diag210_tmp_amode31;
-	spin_unlock_irqrestore(&diag210_lock, flags);
-
-	return ccode;
-}
-EXPORT_SYMBOL(diag210);
-
-int diag224(void *ptr)
-{
-	int rc = -EOPNOTSUPP;
-
-	diag_stat_inc(DIAG_STAT_X224);
-	asm volatile(
-		"	diag	%1,%2,0x224\n"
-		"0:	lhi	%0,0x0\n"
-		"1:\n"
-		EX_TABLE(0b,1b)
-		: "+d" (rc) :"d" (0), "d" (ptr) : "memory");
-	return rc;
-}
-EXPORT_SYMBOL(diag224);
-
-/*
- * Diagnose 26C: Access Certain System Information
- */
-int diag26c(void *req, void *resp, enum diag26c_sc subcode)
-{
-	diag_stat_inc(DIAG_STAT_X26C);
-	return diag_amode31_ops.diag26c(req, resp, subcode);
-}
-EXPORT_SYMBOL(diag26c);