1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Copyright IBM Corp. 2006
 
 
 4 *
 5 * Author(s): Melissa Howland <melissah@us.ibm.com>
 6 */
 7
 8#ifndef _ASM_S390_APPLDATA_H
 9#define _ASM_S390_APPLDATA_H
10
11#include <asm/diag.h>
12#include <asm/io.h>
13
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
14#define APPLDATA_START_INTERVAL_REC	0x80
15#define APPLDATA_STOP_REC		0x81
16#define APPLDATA_GEN_EVENT_REC		0x82
17#define APPLDATA_START_CONFIG_REC	0x83
18
19/*
20 * Parameter list for DIAGNOSE X'DC'
21 */
22struct appldata_parameter_list {
23	u16 diag;
24	u8  function;
25	u8  parlist_length;
26	u32 unused01;
27	u16 reserved;
28	u16 buffer_length;
29	u32 unused02;
30	u64 product_id_addr;
31	u64 buffer_addr;
32} __attribute__ ((packed));
33
 
 
34struct appldata_product_id {
35	char prod_nr[7];	/* product number */
36	u16  prod_fn;		/* product function */
37	u8   record_nr; 	/* record number */
38	u16  version_nr;	/* version */
39	u16  release_nr;	/* release */
40	u16  mod_lvl;		/* modification level */
41} __attribute__ ((packed));
42
43
44static inline int appldata_asm(struct appldata_parameter_list *parm_list,
45			       struct appldata_product_id *id,
46			       unsigned short fn, void *buffer,
47			       unsigned short length)
48{
 
49	int ry;
50
51	if (!MACHINE_IS_VM)
52		return -EOPNOTSUPP;
53	parm_list->diag = 0xdc;
54	parm_list->function = fn;
55	parm_list->parlist_length = sizeof(*parm_list);
56	parm_list->buffer_length = length;
57	parm_list->product_id_addr = (unsigned long) id;
58	parm_list->buffer_addr = virt_to_phys(buffer);
59	diag_stat_inc(DIAG_STAT_X0DC);
60	asm volatile(
61		"	diag	%1,%0,0xdc"
62		: "=d" (ry)
63		: "d" (parm_list), "m" (*parm_list), "m" (*id)
64		: "cc");
65	return ry;
66}
67
68#endif /* _ASM_S390_APPLDATA_H */

 
 1/*
 2 * include/asm-s390/appldata.h
 3 *
 4 * Copyright (C) IBM Corp. 2006
 5 *
 6 * Author(s): Melissa Howland <melissah@us.ibm.com>
 7 */
 8
 9#ifndef _ASM_S390_APPLDATA_H
10#define _ASM_S390_APPLDATA_H
11
 
12#include <asm/io.h>
13
14#ifndef CONFIG_64BIT
15
16#define APPLDATA_START_INTERVAL_REC	0x00	/* Function codes for */
17#define APPLDATA_STOP_REC		0x01	/* DIAG 0xDC	      */
18#define APPLDATA_GEN_EVENT_REC		0x02
19#define APPLDATA_START_CONFIG_REC	0x03
20
21/*
22 * Parameter list for DIAGNOSE X'DC'
23 */
24struct appldata_parameter_list {
25	u16 diag;		/* The DIAGNOSE code X'00DC'	      */
26	u8  function;		/* The function code for the DIAGNOSE */
27	u8  parlist_length;	/* Length of the parameter list       */
28	u32 product_id_addr;	/* Address of the 16-byte product ID  */
29	u16 reserved;
30	u16 buffer_length;	/* Length of the application data buffer  */
31	u32 buffer_addr;	/* Address of the application data buffer */
32} __attribute__ ((packed));
33
34#else /* CONFIG_64BIT */
35
36#define APPLDATA_START_INTERVAL_REC	0x80
37#define APPLDATA_STOP_REC		0x81
38#define APPLDATA_GEN_EVENT_REC		0x82
39#define APPLDATA_START_CONFIG_REC	0x83
40
41/*
42 * Parameter list for DIAGNOSE X'DC'
43 */
44struct appldata_parameter_list {
45	u16 diag;
46	u8  function;
47	u8  parlist_length;
48	u32 unused01;
49	u16 reserved;
50	u16 buffer_length;
51	u32 unused02;
52	u64 product_id_addr;
53	u64 buffer_addr;
54} __attribute__ ((packed));
55
56#endif /* CONFIG_64BIT */
57
58struct appldata_product_id {
59	char prod_nr[7];	/* product number */
60	u16  prod_fn;		/* product function */
61	u8   record_nr; 	/* record number */
62	u16  version_nr;	/* version */
63	u16  release_nr;	/* release */
64	u16  mod_lvl;		/* modification level */
65} __attribute__ ((packed));
66
67static inline int appldata_asm(struct appldata_product_id *id,
 
 
68			       unsigned short fn, void *buffer,
69			       unsigned short length)
70{
71	struct appldata_parameter_list parm_list;
72	int ry;
73
74	if (!MACHINE_IS_VM)
75		return -ENOSYS;
76	parm_list.diag = 0xdc;
77	parm_list.function = fn;
78	parm_list.parlist_length = sizeof(parm_list);
79	parm_list.buffer_length = length;
80	parm_list.product_id_addr = (unsigned long) id;
81	parm_list.buffer_addr = virt_to_phys(buffer);
 
82	asm volatile(
83		"	diag	%1,%0,0xdc"
84		: "=d" (ry)
85		: "d" (&parm_list), "m" (parm_list), "m" (*id)
86		: "cc");
87	return ry;
88}
89
90#endif /* _ASM_S390_APPLDATA_H */