arch/s390/include/asm/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 #include <linux/if_ether.h>
  12 #include <linux/percpu.h>
  13
  14 enum diag_stat_enum {
  15         DIAG_STAT_X008,
  16         DIAG_STAT_X00C,
  17         DIAG_STAT_X010,
  18         DIAG_STAT_X014,
  19         DIAG_STAT_X044,
  20         DIAG_STAT_X064,
  21         DIAG_STAT_X09C,
  22         DIAG_STAT_X0DC,
  23         DIAG_STAT_X204,
  24         DIAG_STAT_X210,
  25         DIAG_STAT_X224,
  26         DIAG_STAT_X250,
  27         DIAG_STAT_X258,
  28         DIAG_STAT_X26C,
  29         DIAG_STAT_X288,
  30         DIAG_STAT_X2C4,
  31         DIAG_STAT_X2FC,
  32         DIAG_STAT_X304,
  33         DIAG_STAT_X308,
  34         DIAG_STAT_X500,
  35         NR_DIAG_STAT
  36 };
  37
  38 void diag_stat_inc(enum diag_stat_enum nr);
  39 void diag_stat_inc_norecursion(enum diag_stat_enum nr);
  40
  41 /*
  42  * Diagnose 10: Release page range
  43  */
  44 static inline void diag10_range(unsigned long start_pfn, unsigned long num_pfn)
  45 {
  46         unsigned long start_addr, end_addr;
  47
  48         start_addr = start_pfn << PAGE_SHIFT;
  49         end_addr = (start_pfn + num_pfn - 1) << PAGE_SHIFT;
  50
  51         diag_stat_inc(DIAG_STAT_X010);
  52         asm volatile(
  53                 "0:     diag    %0,%1,0x10\n"
  54                 "1:     nopr    %%r7\n"
  55                 EX_TABLE(0b, 1b)
  56                 EX_TABLE(1b, 1b)
  57                 : : "a" (start_addr), "a" (end_addr));
  58 }
  59
  60 /*
  61  * Diagnose 14: Input spool file manipulation
  62  */
  63 extern int diag14(unsigned long rx, unsigned long ry1, unsigned long subcode);
  64
  65 /*
  66  * Diagnose 210: Get information about a virtual device
  67  */
  68 struct diag210 {
  69         u16 vrdcdvno;   /* device number (input) */
  70         u16 vrdclen;    /* data block length (input) */
  71         u8 vrdcvcla;    /* virtual device class (output) */
  72         u8 vrdcvtyp;    /* virtual device type (output) */
  73         u8 vrdcvsta;    /* virtual device status (output) */
  74         u8 vrdcvfla;    /* virtual device flags (output) */
  75         u8 vrdcrccl;    /* real device class (output) */
  76         u8 vrdccrty;    /* real device type (output) */
  77         u8 vrdccrmd;    /* real device model (output) */
  78         u8 vrdccrft;    /* real device feature (output) */
  79 } __attribute__((packed, aligned(4)));
  80
  81 extern int diag210(struct diag210 *addr);
  82
  83 /* bit is set in flags, when physical cpu info is included in diag 204 data */
  84 #define DIAG204_LPAR_PHYS_FLG 0x80
  85 #define DIAG204_LPAR_NAME_LEN 8         /* lpar name len in diag 204 data */
  86 #define DIAG204_CPU_NAME_LEN 16         /* type name len of cpus in diag224 name table */
  87
  88 /* diag 204 subcodes */
  89 enum diag204_sc {
  90         DIAG204_SUBC_STIB4 = 4,
  91         DIAG204_SUBC_RSI = 5,
  92         DIAG204_SUBC_STIB6 = 6,
  93         DIAG204_SUBC_STIB7 = 7
  94 };
  95
  96 /* The two available diag 204 data formats */
  97 enum diag204_format {
  98         DIAG204_INFO_SIMPLE = 0,
  99         DIAG204_INFO_EXT = 0x00010000
 100 };
 101
 102 enum diag204_cpu_flags {
 103         DIAG204_CPU_ONLINE = 0x20,
 104         DIAG204_CPU_CAPPED = 0x40,
 105 };
 106
 107 struct diag204_info_blk_hdr {
 108         __u8  npar;
 109         __u8  flags;
 110         __u16 tslice;
 111         __u16 phys_cpus;
 112         __u16 this_part;
 113         __u64 curtod;
 114 } __packed;
 115
 116 struct diag204_x_info_blk_hdr {
 117         __u8  npar;
 118         __u8  flags;
 119         __u16 tslice;
 120         __u16 phys_cpus;
 121         __u16 this_part;
 122         __u64 curtod1;
 123         __u64 curtod2;
 124         char reserved[40];
 125 } __packed;
 126
 127 struct diag204_part_hdr {
 128         __u8 pn;
 129         __u8 cpus;
 130         char reserved[6];
 131         char part_name[DIAG204_LPAR_NAME_LEN];
 132 } __packed;
 133
 134 struct diag204_x_part_hdr {
 135         __u8  pn;
 136         __u8  cpus;
 137         __u8  rcpus;
 138         __u8  pflag;
 139         __u32 mlu;
 140         char  part_name[DIAG204_LPAR_NAME_LEN];
 141         char  lpc_name[8];
 142         char  os_name[8];
 143         __u64 online_cs;
 144         __u64 online_es;
 145         __u8  upid;
 146         __u8  reserved:3;
 147         __u8  mtid:5;
 148         char  reserved1[2];
 149         __u32 group_mlu;
 150         char  group_name[8];
 151         char  hardware_group_name[8];
 152         char  reserved2[24];
 153 } __packed;
 154
 155 struct diag204_cpu_info {
 156         __u16 cpu_addr;
 157         char  reserved1[2];
 158         __u8  ctidx;
 159         __u8  cflag;
 160         __u16 weight;
 161         __u64 acc_time;
 162         __u64 lp_time;
 163 } __packed;
 164
 165 struct diag204_x_cpu_info {
 166         __u16 cpu_addr;
 167         char  reserved1[2];
 168         __u8  ctidx;
 169         __u8  cflag;
 170         __u16 weight;
 171         __u64 acc_time;
 172         __u64 lp_time;
 173         __u16 min_weight;
 174         __u16 cur_weight;
 175         __u16 max_weight;
 176         char  reseved2[2];
 177         __u64 online_time;
 178         __u64 wait_time;
 179         __u32 pma_weight;
 180         __u32 polar_weight;
 181         __u32 cpu_type_cap;
 182         __u32 group_cpu_type_cap;
 183         char  reserved3[32];
 184 } __packed;
 185
 186 struct diag204_phys_hdr {
 187         char reserved1[1];
 188         __u8 cpus;
 189         char reserved2[6];
 190         char mgm_name[8];
 191 } __packed;
 192
 193 struct diag204_x_phys_hdr {
 194         char reserved1[1];
 195         __u8 cpus;
 196         char reserved2[6];
 197         char mgm_name[8];
 198         char reserved3[80];
 199 } __packed;
 200
 201 struct diag204_phys_cpu {
 202         __u16 cpu_addr;
 203         char  reserved1[2];
 204         __u8  ctidx;
 205         char  reserved2[3];
 206         __u64 mgm_time;
 207         char  reserved3[8];
 208 } __packed;
 209
 210 struct diag204_x_phys_cpu {
 211         __u16 cpu_addr;
 212         char  reserved1[2];
 213         __u8  ctidx;
 214         char  reserved2[1];
 215         __u16 weight;
 216         __u64 mgm_time;
 217         char  reserved3[80];
 218 } __packed;
 219
 220 struct diag204_x_part_block {
 221         struct diag204_x_part_hdr hdr;
 222         struct diag204_x_cpu_info cpus[];
 223 } __packed;
 224
 225 struct diag204_x_phys_block {
 226         struct diag204_x_phys_hdr hdr;
 227         struct diag204_x_phys_cpu cpus[];
 228 } __packed;
 229
 230 enum diag26c_sc {
 231         DIAG26C_MAC_SERVICES = 0x00000030
 232 };
 233
 234 enum diag26c_version {
 235         DIAG26C_VERSION2 = 0x00000002   /* z/VM 5.4.0 */
 236 };
 237
 238 #define DIAG26C_GET_MAC 0x0000
 239 struct diag26c_mac_req {
 240         u32     resp_buf_len;
 241         u32     resp_version;
 242         u16     op_code;
 243         u16     devno;
 244         u8      res[4];
 245 };
 246
 247 struct diag26c_mac_resp {
 248         u32     version;
 249         u8      mac[ETH_ALEN];
 250         u8      res[2];
 251 } __aligned(8);
 252
 253 int diag204(unsigned long subcode, unsigned long size, void *addr);
 254 int diag224(void *ptr);
 255 int diag26c(void *req, void *resp, enum diag26c_sc subcode);
 256 #endif /* _ASM_S390_DIAG_H */