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