2 * s390 diagnose functions
4 * Copyright IBM Corp. 2007
5 * Author(s): Michael Holzheu <holzheu@de.ibm.com>
8 #ifndef _ASM_S390_DIAG_H
9 #define _ASM_S390_DIAG_H
11 #include <linux/percpu.h>
36 void diag_stat_inc(enum diag_stat_enum nr);
37 void diag_stat_inc_norecursion(enum diag_stat_enum nr);
40 * Diagnose 10: Release page range
42 static inline void diag10_range(unsigned long start_pfn, unsigned long num_pfn)
44 unsigned long start_addr, end_addr;
46 start_addr = start_pfn << PAGE_SHIFT;
47 end_addr = (start_pfn + num_pfn - 1) << PAGE_SHIFT;
49 diag_stat_inc(DIAG_STAT_X010);
51 "0: diag %0,%1,0x10\n"
55 : : "a" (start_addr), "a" (end_addr));
59 * Diagnose 14: Input spool file manipulation
61 extern int diag14(unsigned long rx, unsigned long ry1, unsigned long subcode);
64 * Diagnose 210: Get information about a virtual device
67 u16 vrdcdvno; /* device number (input) */
68 u16 vrdclen; /* data block length (input) */
69 u8 vrdcvcla; /* virtual device class (output) */
70 u8 vrdcvtyp; /* virtual device type (output) */
71 u8 vrdcvsta; /* virtual device status (output) */
72 u8 vrdcvfla; /* virtual device flags (output) */
73 u8 vrdcrccl; /* real device class (output) */
74 u8 vrdccrty; /* real device type (output) */
75 u8 vrdccrmd; /* real device model (output) */
76 u8 vrdccrft; /* real device feature (output) */
77 } __attribute__((packed, aligned(4)));
79 extern int diag210(struct diag210 *addr);
81 /* bit is set in flags, when physical cpu info is included in diag 204 data */
82 #define DIAG204_LPAR_PHYS_FLG 0x80
83 #define DIAG204_LPAR_NAME_LEN 8 /* lpar name len in diag 204 data */
84 #define DIAG204_CPU_NAME_LEN 16 /* type name len of cpus in diag224 name table */
86 /* diag 204 subcodes */
88 DIAG204_SUBC_STIB4 = 4,
90 DIAG204_SUBC_STIB6 = 6,
91 DIAG204_SUBC_STIB7 = 7
94 /* The two available diag 204 data formats */
96 DIAG204_INFO_SIMPLE = 0,
97 DIAG204_INFO_EXT = 0x00010000
100 enum diag204_cpu_flags {
101 DIAG204_CPU_ONLINE = 0x20,
102 DIAG204_CPU_CAPPED = 0x40,
105 struct diag204_info_blk_hdr {
114 struct diag204_x_info_blk_hdr {
125 struct diag204_part_hdr {
129 char part_name[DIAG204_LPAR_NAME_LEN];
132 struct diag204_x_part_hdr {
138 char part_name[DIAG204_LPAR_NAME_LEN];
149 char hardware_group_name[8];
153 struct diag204_cpu_info {
163 struct diag204_x_cpu_info {
180 __u32 group_cpu_type_cap;
184 struct diag204_phys_hdr {
191 struct diag204_x_phys_hdr {
199 struct diag204_phys_cpu {
208 struct diag204_x_phys_cpu {
218 struct diag204_x_part_block {
219 struct diag204_x_part_hdr hdr;
220 struct diag204_x_cpu_info cpus[];
223 struct diag204_x_phys_block {
224 struct diag204_x_phys_hdr hdr;
225 struct diag204_x_phys_cpu cpus[];
228 int diag204(unsigned long subcode, unsigned long size, void *addr);
229 int diag224(void *ptr);
230 #endif /* _ASM_S390_DIAG_H */