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/*
* s390 diagnose functions
*
* Copyright IBM Corp. 2007
* Author(s): Michael Holzheu <holzheu@de.ibm.com>
*/
#ifndef _ASM_S390_DIAG_H
#define _ASM_S390_DIAG_H
#include <linux/percpu.h>
enum diag_stat_enum {
DIAG_STAT_X008,
DIAG_STAT_X00C,
DIAG_STAT_X010,
DIAG_STAT_X014,
DIAG_STAT_X044,
DIAG_STAT_X064,
DIAG_STAT_X09C,
DIAG_STAT_X0DC,
DIAG_STAT_X204,
DIAG_STAT_X210,
DIAG_STAT_X224,
DIAG_STAT_X250,
DIAG_STAT_X258,
DIAG_STAT_X288,
DIAG_STAT_X2C4,
DIAG_STAT_X2FC,
DIAG_STAT_X304,
DIAG_STAT_X308,
DIAG_STAT_X500,
NR_DIAG_STAT
};
void diag_stat_inc(enum diag_stat_enum nr);
void diag_stat_inc_norecursion(enum diag_stat_enum nr);
/*
* Diagnose 10: Release page range
*/
static inline void diag10_range(unsigned long start_pfn, unsigned long num_pfn)
{
unsigned long start_addr, end_addr;
start_addr = start_pfn << PAGE_SHIFT;
end_addr = (start_pfn + num_pfn - 1) << PAGE_SHIFT;
diag_stat_inc(DIAG_STAT_X010);
asm volatile(
"0: diag %0,%1,0x10\n"
"1: nopr %%r7\n"
EX_TABLE(0b, 1b)
EX_TABLE(1b, 1b)
: : "a" (start_addr), "a" (end_addr));
}
/*
* Diagnose 14: Input spool file manipulation
*/
extern int diag14(unsigned long rx, unsigned long ry1, unsigned long subcode);
/*
* Diagnose 210: Get information about a virtual device
*/
struct diag210 {
u16 vrdcdvno; /* device number (input) */
u16 vrdclen; /* data block length (input) */
u8 vrdcvcla; /* virtual device class (output) */
u8 vrdcvtyp; /* virtual device type (output) */
u8 vrdcvsta; /* virtual device status (output) */
u8 vrdcvfla; /* virtual device flags (output) */
u8 vrdcrccl; /* real device class (output) */
u8 vrdccrty; /* real device type (output) */
u8 vrdccrmd; /* real device model (output) */
u8 vrdccrft; /* real device feature (output) */
} __attribute__((packed, aligned(4)));
extern int diag210(struct diag210 *addr);
/* bit is set in flags, when physical cpu info is included in diag 204 data */
#define DIAG204_LPAR_PHYS_FLG 0x80
#define DIAG204_LPAR_NAME_LEN 8 /* lpar name len in diag 204 data */
#define DIAG204_CPU_NAME_LEN 16 /* type name len of cpus in diag224 name table */
/* diag 204 subcodes */
enum diag204_sc {
DIAG204_SUBC_STIB4 = 4,
DIAG204_SUBC_RSI = 5,
DIAG204_SUBC_STIB6 = 6,
DIAG204_SUBC_STIB7 = 7
};
/* The two available diag 204 data formats */
enum diag204_format {
DIAG204_INFO_SIMPLE = 0,
DIAG204_INFO_EXT = 0x00010000
};
enum diag204_cpu_flags {
DIAG204_CPU_ONLINE = 0x20,
DIAG204_CPU_CAPPED = 0x40,
};
struct diag204_info_blk_hdr {
__u8 npar;
__u8 flags;
__u16 tslice;
__u16 phys_cpus;
__u16 this_part;
__u64 curtod;
} __packed;
struct diag204_x_info_blk_hdr {
__u8 npar;
__u8 flags;
__u16 tslice;
__u16 phys_cpus;
__u16 this_part;
__u64 curtod1;
__u64 curtod2;
char reserved[40];
} __packed;
struct diag204_part_hdr {
__u8 pn;
__u8 cpus;
char reserved[6];
char part_name[DIAG204_LPAR_NAME_LEN];
} __packed;
struct diag204_x_part_hdr {
__u8 pn;
__u8 cpus;
__u8 rcpus;
__u8 pflag;
__u32 mlu;
char part_name[DIAG204_LPAR_NAME_LEN];
char lpc_name[8];
char os_name[8];
__u64 online_cs;
__u64 online_es;
__u8 upid;
__u8 reserved:3;
__u8 mtid:5;
char reserved1[2];
__u32 group_mlu;
char group_name[8];
char hardware_group_name[8];
char reserved2[24];
} __packed;
struct diag204_cpu_info {
__u16 cpu_addr;
char reserved1[2];
__u8 ctidx;
__u8 cflag;
__u16 weight;
__u64 acc_time;
__u64 lp_time;
} __packed;
struct diag204_x_cpu_info {
__u16 cpu_addr;
char reserved1[2];
__u8 ctidx;
__u8 cflag;
__u16 weight;
__u64 acc_time;
__u64 lp_time;
__u16 min_weight;
__u16 cur_weight;
__u16 max_weight;
char reseved2[2];
__u64 online_time;
__u64 wait_time;
__u32 pma_weight;
__u32 polar_weight;
__u32 cpu_type_cap;
__u32 group_cpu_type_cap;
char reserved3[32];
} __packed;
struct diag204_phys_hdr {
char reserved1[1];
__u8 cpus;
char reserved2[6];
char mgm_name[8];
} __packed;
struct diag204_x_phys_hdr {
char reserved1[1];
__u8 cpus;
char reserved2[6];
char mgm_name[8];
char reserved3[80];
} __packed;
struct diag204_phys_cpu {
__u16 cpu_addr;
char reserved1[2];
__u8 ctidx;
char reserved2[3];
__u64 mgm_time;
char reserved3[8];
} __packed;
struct diag204_x_phys_cpu {
__u16 cpu_addr;
char reserved1[2];
__u8 ctidx;
char reserved2[1];
__u16 weight;
__u64 mgm_time;
char reserved3[80];
} __packed;
struct diag204_x_part_block {
struct diag204_x_part_hdr hdr;
struct diag204_x_cpu_info cpus[];
} __packed;
struct diag204_x_phys_block {
struct diag204_x_phys_hdr hdr;
struct diag204_x_phys_cpu cpus[];
} __packed;
int diag204(unsigned long subcode, unsigned long size, void *addr);
int diag224(void *ptr);
#endif /* _ASM_S390_DIAG_H */
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