cp/include/sie.h

   1 /*
   2  * (C) Copyright 2007-2010  Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
   3  *
   4  * This file is released under the GPLv2.  See the COPYING file for more
   5  * details.
   6  */
   7
   8 #ifndef __SIE_H
   9 #define __SIE_H
  10
  11 /*
  12  * Taken from linux/arch/s390/include/asm/kvm_host.h
  13  */
  14
  15 #include <atomic.h>
  16
  17 /*
  18  * Constants for sie_cb->cpuflags
  19  */
  20 #define CPUSTAT_HOST            0x80000000
  21 #define CPUSTAT_WAIT            0x10000000
  22 #define CPUSTAT_ECALL_PEND      0x08000000
  23 #define CPUSTAT_STOP_INT        0x04000000
  24 #define CPUSTAT_IO_INT          0x02000000
  25 #define CPUSTAT_EXT_INT         0x01000000
  26 #define CPUSTAT_RUNNING         0x00800000
  27 #define CPUSTAT_RETAINED        0x00400000
  28 #define CPUSTAT_TIMING_SUB      0x00020000
  29 #define CPUSTAT_SIE_SUB         0x00010000
  30 #define CPUSTAT_RRF             0x00008000
  31 #define CPUSTAT_SLSV            0x00004000
  32 #define CPUSTAT_SLSR            0x00002000
  33 #define CPUSTAT_ZARCH           0x00000800
  34 #define CPUSTAT_MCDS            0x00000100
  35 #define CPUSTAT_SM              0x00000080
  36 #define CPUSTAT_G               0x00000008
  37 #define CPUSTAT_J               0x00000002
  38 #define CPUSTAT_P               0x00000001
  39
  40 struct sie_cb {
  41         atomic_t        cpuflags;               /* 0x0000 */
  42         u32             prefix;                 /* 0x0004 */
  43         u8              reserved8[32];          /* 0x0008 */
  44         u64             cputm;                  /* 0x0028 */
  45         u64             ckc;                    /* 0x0030 */
  46         u64             epoch;                  /* 0x0038 */
  47         u8              reserved40[4];          /* 0x0040 */
  48 #define LCTL_CR0 0x8000
  49         u16             lctl;                   /* 0x0044 */
  50         s16             icpua;                  /* 0x0046 */
  51         u32             ictl;                   /* 0x0048 */
  52         u32             eca;                    /* 0x004c */
  53         u8              icptcode;               /* 0x0050 */
  54         u8              reserved51;             /* 0x0051 */
  55         u16             ihcpu;                  /* 0x0052 */
  56         u8              reserved54[2];          /* 0x0054 */
  57         u16             ipa;                    /* 0x0056 */
  58         u32             ipb;                    /* 0x0058 */
  59         u32             scaoh;                  /* 0x005c */
  60         u8              reserved60;             /* 0x0060 */
  61         u8              ecb;                    /* 0x0061 */
  62         u8              reserved62[2];          /* 0x0062 */
  63         u32             scaol;                  /* 0x0064 */
  64         u8              reserved68[4];          /* 0x0068 */
  65         u32             todpr;                  /* 0x006c */
  66         u8              reserved70[16];         /* 0x0070 */
  67         u64             gmsor;                  /* 0x0080 */
  68         u64             gmslm;                  /* 0x0088 */
  69         struct psw      gpsw;                   /* 0x0090 */
  70         u64             gg14;                   /* 0x00a0 */
  71         u64             gg15;                   /* 0x00a8 */
  72         u8              reservedb0[30];         /* 0x00b0 */
  73         u16             iprcc;                  /* 0x00ce */
  74         u8              reservedd0[48];         /* 0x00d0 */
  75         u64             gcr[16];                /* 0x0100 */
  76         u64             gbea;                   /* 0x0180 */
  77         u8              reserved188[120];       /* 0x0188 */
  78 } __attribute__((aligned(256),packed));
  79
  80 #define VCPU_ZARCH(vcpu)        (atomic_read(&((vcpu)->sie_cb.cpuflags)) & CPUSTAT_ZARCH)
  81
  82 #endif