linux/include/asm-s390/kvm_host.h

128 lines
3.2 KiB
C
Raw Normal View History

/*
* asm-s390/kvm_host.h - definition for kernel virtual machines on s390
*
* Copyright IBM Corp. 2008
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License (version 2 only)
* as published by the Free Software Foundation.
*
* Author(s): Carsten Otte <cotte@de.ibm.com>
*/
#ifndef ASM_KVM_HOST_H
#define ASM_KVM_HOST_H
#include <linux/kvm_host.h>
#include <asm/debug.h>
#define KVM_MAX_VCPUS 64
#define KVM_MEMORY_SLOTS 32
/* memory slots that does not exposed to userspace */
#define KVM_PRIVATE_MEM_SLOTS 4
struct kvm_guest_debug {
};
struct sca_entry {
atomic_t scn;
__u64 reserved;
__u64 sda;
__u64 reserved2[2];
} __attribute__((packed));
struct sca_block {
__u64 ipte_control;
__u64 reserved[5];
__u64 mcn;
__u64 reserved2;
struct sca_entry cpu[64];
} __attribute__((packed));
#define KVM_PAGES_PER_HPAGE 256
#define CPUSTAT_HOST 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_SM 0x00000080
#define CPUSTAT_G 0x00000008
#define CPUSTAT_J 0x00000002
#define CPUSTAT_P 0x00000001
struct sie_block {
atomic_t cpuflags; /* 0x0000 */
__u32 prefix; /* 0x0004 */
__u8 reserved8[32]; /* 0x0008 */
__u64 cputm; /* 0x0028 */
__u64 ckc; /* 0x0030 */
__u64 epoch; /* 0x0038 */
__u8 reserved40[4]; /* 0x0040 */
__u16 lctl; /* 0x0044 */
__s16 icpua; /* 0x0046 */
__u32 ictl; /* 0x0048 */
__u32 eca; /* 0x004c */
__u8 icptcode; /* 0x0050 */
__u8 reserved51; /* 0x0051 */
__u16 ihcpu; /* 0x0052 */
__u8 reserved54[2]; /* 0x0054 */
__u16 ipa; /* 0x0056 */
__u32 ipb; /* 0x0058 */
__u32 scaoh; /* 0x005c */
__u8 reserved60; /* 0x0060 */
__u8 ecb; /* 0x0061 */
__u8 reserved62[2]; /* 0x0062 */
__u32 scaol; /* 0x0064 */
__u8 reserved68[4]; /* 0x0068 */
__u32 todpr; /* 0x006c */
__u8 reserved70[16]; /* 0x0070 */
__u64 gmsor; /* 0x0080 */
__u64 gmslm; /* 0x0088 */
psw_t gpsw; /* 0x0090 */
__u64 gg14; /* 0x00a0 */
__u64 gg15; /* 0x00a8 */
__u8 reservedb0[80]; /* 0x00b0 */
__u64 gcr[16]; /* 0x0100 */
__u64 gbea; /* 0x0180 */
__u8 reserved188[120]; /* 0x0188 */
} __attribute__((packed));
struct kvm_vcpu_stat {
u32 exit_userspace;
};
struct kvm_vcpu_arch {
struct sie_block *sie_block;
unsigned long guest_gprs[16];
s390_fp_regs host_fpregs;
unsigned int host_acrs[NUM_ACRS];
s390_fp_regs guest_fpregs;
unsigned int guest_acrs[NUM_ACRS];
};
struct kvm_vm_stat {
u32 remote_tlb_flush;
};
struct kvm_arch{
unsigned long guest_origin;
unsigned long guest_memsize;
struct sca_block *sca;
debug_info_t *dbf;
};
extern int sie64a(struct sie_block *, __u64 *);
#endif