Commit | Line | Data |
---|---|---|
1f38d613 GS |
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 | */ | |
24 | struct 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 | */ | |
44 | struct 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 | ||
58 | struct 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 | ||
67 | static 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( | |
94c12cc7 | 83 | " diag %1,%0,0xdc" |
1f38d613 GS |
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 */ |