arch/s390/include/asm/kvm_host_types.h

root/arch/s390/include/asm/kvm_host_types.h
/* SPDX-License-Identifier: GPL-2.0 */

#ifndef _ASM_KVM_HOST_TYPES_H
#define _ASM_KVM_HOST_TYPES_H

#include <linux/atomic.h>
#include <linux/types.h>

#define KVM_S390_BSCA_CPU_SLOTS 64
#define KVM_S390_ESCA_CPU_SLOTS 248

#define SIGP_CTRL_C             0x80
#define SIGP_CTRL_SCN_MASK      0x3f

union bsca_sigp_ctrl {
        __u8 value;
        struct {
                __u8 c : 1;
                __u8 r : 1;
                __u8 scn : 6;
        };
};

union esca_sigp_ctrl {
        __u16 value;
        struct {
                __u8 c : 1;
                __u8 reserved: 7;
                __u8 scn;
        };
};

struct esca_entry {
        union esca_sigp_ctrl sigp_ctrl;
        __u16   reserved1[3];
        __u64   sda;
        __u64   reserved2[6];
};

struct bsca_entry {
        __u8    reserved0;
        union bsca_sigp_ctrl    sigp_ctrl;
        __u16   reserved[3];
        __u64   sda;
        __u64   reserved2[2];
};

union ipte_control {
        unsigned long val;
        struct {
                unsigned long k  : 1;
                unsigned long kh : 31;
                unsigned long kg : 32;
        };
};

/*
 * Utility is defined as two bytes but having it four bytes wide
 * generates more efficient code. Since the following bytes are
 * reserved this makes no functional difference.
 */
union sca_utility {
        __u32 val;
        struct {
                __u32 mtcr : 1;
                __u32      : 31;
        };
};

struct bsca_block {
        union ipte_control ipte_control;
        __u64   reserved[5];
        __u64   mcn;
        union sca_utility utility;
        __u8    reserved2[4];
        struct bsca_entry cpu[KVM_S390_BSCA_CPU_SLOTS];
};

struct esca_block {
        union ipte_control ipte_control;
        __u64   reserved1[6];
        union sca_utility utility;
        __u8    reserved2[4];
        __u64   mcn[4];
        __u64   reserved3[20];
        struct esca_entry cpu[KVM_S390_ESCA_CPU_SLOTS];
};

/*
 * This struct is used to store some machine check info from lowcore
 * for machine checks that happen while the guest is running.
 * This info in host's lowcore might be overwritten by a second machine
 * check from host when host is in the machine check's high-level handling.
 * The size is 24 bytes.
 */
struct mcck_volatile_info {
        __u64 mcic;
        __u64 failing_storage_address;
        __u32 ext_damage_code;
        __u32 reserved;
};

#define CR0_INITIAL_MASK (CR0_UNUSED_56 | CR0_INTERRUPT_KEY_SUBMASK | \
                          CR0_MEASUREMENT_ALERT_SUBMASK)
#define CR14_INITIAL_MASK (CR14_UNUSED_32 | CR14_UNUSED_33 | \
                           CR14_EXTERNAL_DAMAGE_SUBMASK)

#define SIDAD_SIZE_MASK         0xff
#define sida_addr(sie_block) phys_to_virt((sie_block)->sidad & PAGE_MASK)
#define sida_size(sie_block) \
        ((((sie_block)->sidad & SIDAD_SIZE_MASK) + 1) * PAGE_SIZE)

#define CPUSTAT_STOPPED    0x80000000
#define CPUSTAT_WAIT       0x10000000
#define CPUSTAT_ECALL_PEND 0x08000000
#define CPUSTAT_STOP_INT   0x04000000
#define CPUSTAT_IO_INT     0x02000000
#define CPUSTAT_EXT_INT    0x01000000
#define CPUSTAT_RUNNING    0x00800000
#define CPUSTAT_RETAINED   0x00400000
#define CPUSTAT_TIMING_SUB 0x00020000
#define CPUSTAT_SIE_SUB    0x00010000
#define CPUSTAT_RRF        0x00008000
#define CPUSTAT_SLSV       0x00004000
#define CPUSTAT_SLSR       0x00002000
#define CPUSTAT_ZARCH      0x00000800
#define CPUSTAT_MCDS       0x00000100
#define CPUSTAT_KSS        0x00000200
#define CPUSTAT_SM         0x00000080
#define CPUSTAT_IBS        0x00000040
#define CPUSTAT_GED2       0x00000010
#define CPUSTAT_G          0x00000008
#define CPUSTAT_GED        0x00000004
#define CPUSTAT_J          0x00000002
#define CPUSTAT_P          0x00000001

struct kvm_s390_sie_block {
        atomic_t cpuflags;              /* 0x0000 */
        __u32 : 1;                      /* 0x0004 */
        __u32 prefix : 18;
        __u32 : 1;
        __u32 ibc : 12;
        __u8    reserved08[4];          /* 0x0008 */
#define PROG_IN_SIE (1<<0)
        __u32   prog0c;                 /* 0x000c */
        union {
                __u8    reserved10[16];         /* 0x0010 */
                struct {
                        __u64   pv_handle_cpu;
                        __u64   pv_handle_config;
                };
        };
#define PROG_BLOCK_SIE  (1<<0)
#define PROG_REQUEST    (1<<1)
        atomic_t prog20;                /* 0x0020 */
        __u8    reserved24[4];          /* 0x0024 */
        __u64   cputm;                  /* 0x0028 */
        __u64   ckc;                    /* 0x0030 */
        __u64   epoch;                  /* 0x0038 */
        __u32   svcc;                   /* 0x0040 */
#define LCTL_CR0        0x8000
#define LCTL_CR6        0x0200
#define LCTL_CR9        0x0040
#define LCTL_CR10       0x0020
#define LCTL_CR11       0x0010
#define LCTL_CR14       0x0002
        __u16   lctl;                   /* 0x0044 */
        __s16   icpua;                  /* 0x0046 */
#define ICTL_OPEREXC    0x80000000
#define ICTL_PINT       0x20000000
#define ICTL_LPSW       0x00400000
#define ICTL_STCTL      0x00040000
#define ICTL_ISKE       0x00004000
#define ICTL_SSKE       0x00002000
#define ICTL_RRBE       0x00001000
#define ICTL_TPROT      0x00000200
        __u32   ictl;                   /* 0x0048 */
#define ECA_CEI         0x80000000
#define ECA_IB          0x40000000
#define ECA_SIGPI       0x10000000
#define ECA_MVPGI       0x01000000
#define ECA_AIV         0x00200000
#define ECA_VX          0x00020000
#define ECA_PROTEXCI    0x00002000
#define ECA_APIE        0x00000008
#define ECA_SII         0x00000001
        __u32   eca;                    /* 0x004c */
#define ICPT_INST       0x04
#define ICPT_PROGI      0x08
#define ICPT_INSTPROGI  0x0C
#define ICPT_EXTREQ     0x10
#define ICPT_EXTINT     0x14
#define ICPT_IOREQ      0x18
#define ICPT_WAIT       0x1c
#define ICPT_VALIDITY   0x20
#define ICPT_STOP       0x28
#define ICPT_OPEREXC    0x2C
#define ICPT_PARTEXEC   0x38
#define ICPT_IOINST     0x40
#define ICPT_KSS        0x5c
#define ICPT_MCHKREQ    0x60
#define ICPT_INT_ENABLE 0x64
#define ICPT_PV_INSTR   0x68
#define ICPT_PV_NOTIFY  0x6c
#define ICPT_PV_PREF    0x70
        __u8    icptcode;               /* 0x0050 */
        __u8    icptstatus;             /* 0x0051 */
        __u16   ihcpu;                  /* 0x0052 */
        __u8    reserved54;             /* 0x0054 */
#define IICTL_CODE_NONE          0x00
#define IICTL_CODE_MCHK          0x01
#define IICTL_CODE_EXT           0x02
#define IICTL_CODE_IO            0x03
#define IICTL_CODE_RESTART       0x04
#define IICTL_CODE_SPECIFICATION 0x10
#define IICTL_CODE_OPERAND       0x11
        __u8    iictl;                  /* 0x0055 */
        __u16   ipa;                    /* 0x0056 */
        __u32   ipb;                    /* 0x0058 */
        __u32   scaoh;                  /* 0x005c */
#define FPF_BPBC        0x20
        __u8    fpf;                    /* 0x0060 */
#define ECB_GS          0x40
#define ECB_TE          0x10
#define ECB_SPECI       0x08
#define ECB_SRSI        0x04
#define ECB_HOSTPROTINT 0x02
#define ECB_PTF         0x01
        __u8    ecb;                    /* 0x0061 */
#define ECB2_CMMA       0x80
#define ECB2_IEP        0x20
#define ECB2_PFMFI      0x08
#define ECB2_ESCA       0x04
#define ECB2_ZPCI_LSI   0x02
        __u8    ecb2;                   /* 0x0062 */
#define ECB3_AISI       0x20
#define ECB3_AISII      0x10
#define ECB3_DEA 0x08
#define ECB3_AES 0x04
#define ECB3_RI  0x01
        __u8    ecb3;                   /* 0x0063 */
#define ESCA_SCAOL_MASK ~0x3fU
        __u32   scaol;                  /* 0x0064 */
        __u8    sdf;                    /* 0x0068 */
        __u8    epdx;                   /* 0x0069 */
        __u8    cpnc;                   /* 0x006a */
        __u8    reserved6b;             /* 0x006b */
        __u32   todpr;                  /* 0x006c */
#define GISA_FORMAT1 0x00000001
        __u32   gd;                     /* 0x0070 */
        __u8    reserved74[12];         /* 0x0074 */
        __u64   mso;                    /* 0x0080 */
        __u64   msl;                    /* 0x0088 */
        psw_t   gpsw;                   /* 0x0090 */
        __u64   gg14;                   /* 0x00a0 */
        __u64   gg15;                   /* 0x00a8 */
        __u8    reservedb0[8];          /* 0x00b0 */
#define HPID_KVM        0x4
#define HPID_VSIE       0x5
        __u8    hpid;                   /* 0x00b8 */
        __u8    reservedb9[7];          /* 0x00b9 */
        union {
                struct {
                        __u32   eiparams;       /* 0x00c0 */
                        __u16   extcpuaddr;     /* 0x00c4 */
                        __u16   eic;            /* 0x00c6 */
                };
                __u64   mcic;                   /* 0x00c0 */
        } __packed;
        __u32   reservedc8;             /* 0x00c8 */
        union {
                struct {
                        __u16   pgmilc;         /* 0x00cc */
                        __u16   iprcc;          /* 0x00ce */
                };
                __u32   edc;                    /* 0x00cc */
        } __packed;
        union {
                struct {
                        __u32   dxc;            /* 0x00d0 */
                        __u16   mcn;            /* 0x00d4 */
                        __u8    perc;           /* 0x00d6 */
                        __u8    peratmid;       /* 0x00d7 */
                };
                __u64   faddr;                  /* 0x00d0 */
        } __packed;
        __u64   peraddr;                /* 0x00d8 */
        __u8    eai;                    /* 0x00e0 */
        __u8    peraid;                 /* 0x00e1 */
        __u8    oai;                    /* 0x00e2 */
        __u8    armid;                  /* 0x00e3 */
        __u8    reservede4[4];          /* 0x00e4 */
        union {
                __u64   tecmc;          /* 0x00e8 */
                struct {
                        __u16   subchannel_id;  /* 0x00e8 */
                        __u16   subchannel_nr;  /* 0x00ea */
                        __u32   io_int_parm;    /* 0x00ec */
                        __u32   io_int_word;    /* 0x00f0 */
                };
        } __packed;
        __u8    reservedf4[8];          /* 0x00f4 */
#define CRYCB_FORMAT_MASK 0x00000003
#define CRYCB_FORMAT0 0x00000000
#define CRYCB_FORMAT1 0x00000001
#define CRYCB_FORMAT2 0x00000003
        __u32   crycbd;                 /* 0x00fc */
        __u64   gcr[16];                /* 0x0100 */
        union {
                __u64   gbea;           /* 0x0180 */
                __u64   sidad;
        };
        __u8    reserved188[8];         /* 0x0188 */
        __u64   sdnxo;                  /* 0x0190 */
        __u8    reserved198[8];         /* 0x0198 */
        __u32   fac;                    /* 0x01a0 */
        __u8    reserved1a4[20];        /* 0x01a4 */
        __u64   cbrlo;                  /* 0x01b8 */
        __u8    reserved1c0[8];         /* 0x01c0 */
#define ECD_HOSTREGMGMT 0x20000000
#define ECD_MEF         0x08000000
#define ECD_ETOKENF     0x02000000
#define ECD_ECC         0x00200000
#define ECD_HMAC        0x00004000
        __u32   ecd;                    /* 0x01c8 */
        __u8    reserved1cc[18];        /* 0x01cc */
        __u64   pp;                     /* 0x01de */
        __u8    reserved1e6[2];         /* 0x01e6 */
        __u64   itdba;                  /* 0x01e8 */
        __u64   riccbd;                 /* 0x01f0 */
        __u64   gvrd;                   /* 0x01f8 */
} __packed __aligned(512);

struct kvm_s390_itdb {
        __u8    data[256];
};

struct sie_page {
        struct kvm_s390_sie_block sie_block;
        struct mcck_volatile_info mcck_info;    /* 0x0200 */
        __u8 reserved218[360];          /* 0x0218 */
        __u64 pv_grregs[16];            /* 0x0380 */
        __u8 reserved400[512];          /* 0x0400 */
        struct kvm_s390_itdb itdb;      /* 0x0600 */
        __u8 reserved700[2304];         /* 0x0700 */
};

#endif /* _ASM_KVM_HOST_TYPES_H */
Linux
