1/*
 2 * s390 diagnose functions
 3 *
 4 * Copyright IBM Corp. 2007
 5 * Author(s): Michael Holzheu <holzheu@de.ibm.com>
 6 */
 7
 8#ifndef _ASM_S390_DIAG_H
 9#define _ASM_S390_DIAG_H
10
11/*
12 * Diagnose 10: Release page range
13 */
14static inline void diag10_range(unsigned long start_pfn, unsigned long num_pfn)
15{
16	unsigned long start_addr, end_addr;
17
18	start_addr = start_pfn << PAGE_SHIFT;
19	end_addr = (start_pfn + num_pfn - 1) << PAGE_SHIFT;
20
21	asm volatile(
22		"0:	diag	%0,%1,0x10\n"
23		"1:\n"
24		EX_TABLE(0b, 1b)
25		EX_TABLE(1b, 1b)
26		: : "a" (start_addr), "a" (end_addr));
27}
28
29/*
30 * Diagnose 14: Input spool file manipulation
31 */
32extern int diag14(unsigned long rx, unsigned long ry1, unsigned long subcode);
33
34/*
35 * Diagnose 210: Get information about a virtual device
36 */
37struct diag210 {
38	u16 vrdcdvno;	/* device number (input) */
39	u16 vrdclen;	/* data block length (input) */
40	u8 vrdcvcla;	/* virtual device class (output) */
41	u8 vrdcvtyp;	/* virtual device type (output) */
42	u8 vrdcvsta;	/* virtual device status (output) */
43	u8 vrdcvfla;	/* virtual device flags (output) */
44	u8 vrdcrccl;	/* real device class (output) */
45	u8 vrdccrty;	/* real device type (output) */
46	u8 vrdccrmd;	/* real device model (output) */
47	u8 vrdccrft;	/* real device feature (output) */
48} __attribute__((packed, aligned(4)));
49
50extern int diag210(struct diag210 *addr);
51
52#endif /* _ASM_S390_DIAG_H */

 1/*
 2 * s390 diagnose functions
 3 *
 4 * Copyright IBM Corp. 2007
 5 * Author(s): Michael Holzheu <holzheu@de.ibm.com>
 6 */
 7
 8#ifndef _ASM_S390_DIAG_H
 9#define _ASM_S390_DIAG_H
10
11/*
12 * Diagnose 10: Release page range
13 */
14static inline void diag10_range(unsigned long start_pfn, unsigned long num_pfn)
15{
16	unsigned long start_addr, end_addr;
17
18	start_addr = start_pfn << PAGE_SHIFT;
19	end_addr = (start_pfn + num_pfn - 1) << PAGE_SHIFT;
20
21	asm volatile(
22		"0:	diag	%0,%1,0x10\n"
23		"1:\n"
24		EX_TABLE(0b, 1b)
25		EX_TABLE(1b, 1b)
26		: : "a" (start_addr), "a" (end_addr));
27}
28
29/*
30 * Diagnose 14: Input spool file manipulation
31 */
32extern int diag14(unsigned long rx, unsigned long ry1, unsigned long subcode);
33
34/*
35 * Diagnose 210: Get information about a virtual device
36 */
37struct diag210 {
38	u16 vrdcdvno;	/* device number (input) */
39	u16 vrdclen;	/* data block length (input) */
40	u8 vrdcvcla;	/* virtual device class (output) */
41	u8 vrdcvtyp;	/* virtual device type (output) */
42	u8 vrdcvsta;	/* virtual device status (output) */
43	u8 vrdcvfla;	/* virtual device flags (output) */
44	u8 vrdcrccl;	/* real device class (output) */
45	u8 vrdccrty;	/* real device type (output) */
46	u8 vrdccrmd;	/* real device model (output) */
47	u8 vrdccrft;	/* real device feature (output) */
48} __attribute__((packed, aligned(4)));
49
50extern int diag210(struct diag210 *addr);
51
52#endif /* _ASM_S390_DIAG_H */