[deliverable/linux.git] / arch / s390 / include / asm / kvm_host.h

/*
 * definition for kernel virtual machines on s390
 *
 * Copyright IBM Corp. 2008, 2009
 *
 * 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/hrtimer.h>
#include <linux/interrupt.h>
#include <linux/kvm_host.h>
#include <linux/kvm.h>
#include <asm/debug.h>
#include <asm/cpu.h>
#include <asm/isc.h>

#define KVM_MAX_VCPUS 64
#define KVM_USER_MEM_SLOTS 32

/*
 * These seem to be used for allocating ->chip in the routing table,
 * which we don't use. 4096 is an out-of-thin-air value. If we need
 * to look at ->chip later on, we'll need to revisit this.
 */
#define KVM_NR_IRQCHIPS 1
#define KVM_IRQCHIP_NUM_PINS 4096

struct sca_entry {
	atomic_t scn;
	__u32	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 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_SM         0x00000080
#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	prefix;			/* 0x0004 */
	__u8	reserved08[4];		/* 0x0008 */
#define PROG_IN_SIE (1<<0)
	__u32	prog0c;			/* 0x000c */
	__u8	reserved10[16];		/* 0x0010 */
#define PROG_BLOCK_SIE 0x00000001
	atomic_t prog20;		/* 0x0020 */
	__u8	reserved24[4];		/* 0x0024 */
	__u64	cputm;			/* 0x0028 */
	__u64	ckc;			/* 0x0030 */
	__u64	epoch;			/* 0x0038 */
	__u8	reserved40[4];		/* 0x0040 */
#define LCTL_CR0	0x8000
#define LCTL_CR6	0x0200
#define LCTL_CR14	0x0002
	__u16   lctl;			/* 0x0044 */
	__s16	icpua;			/* 0x0046 */
#define ICTL_LPSW 0x00400000
	__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    ecb2;                   /* 0x0062 */
	__u8    reserved63[1];          /* 0x0063 */
	__u32	scaol;			/* 0x0064 */
	__u8	reserved68[4];		/* 0x0068 */
	__u32	todpr;			/* 0x006c */
	__u8	reserved70[32];		/* 0x0070 */
	psw_t	gpsw;			/* 0x0090 */
	__u64	gg14;			/* 0x00a0 */
	__u64	gg15;			/* 0x00a8 */
	__u8	reservedb0[30];		/* 0x00b0 */
	__u16   iprcc;			/* 0x00ce */
	__u8	reservedd0[48];		/* 0x00d0 */
	__u64	gcr[16];		/* 0x0100 */
	__u64	gbea;			/* 0x0180 */
	__u8	reserved188[24];	/* 0x0188 */
	__u32	fac;			/* 0x01a0 */
	__u8	reserved1a4[20];	/* 0x01a4 */
	__u64	cbrlo;			/* 0x01b8 */
	__u8	reserved1c0[30];	/* 0x01c0 */
	__u64	pp;			/* 0x01de */
	__u8	reserved1e6[2];		/* 0x01e6 */
	__u64	itdba;			/* 0x01e8 */
	__u8	reserved1f0[16];	/* 0x01f0 */
} __attribute__((packed));

struct kvm_s390_itdb {
	__u8	data[256];
} __packed;

struct sie_page {
	struct kvm_s390_sie_block sie_block;
	__u8 reserved200[1024];		/* 0x0200 */
	struct kvm_s390_itdb itdb;	/* 0x0600 */
	__u8 reserved700[2304];		/* 0x0700 */
} __packed;

struct kvm_vcpu_stat {
	u32 exit_userspace;
	u32 exit_null;
	u32 exit_external_request;
	u32 exit_external_interrupt;
	u32 exit_stop_request;
	u32 exit_validity;
	u32 exit_instruction;
	u32 instruction_lctl;
	u32 instruction_lctlg;
	u32 exit_program_interruption;
	u32 exit_instr_and_program;
	u32 deliver_external_call;
	u32 deliver_emergency_signal;
	u32 deliver_service_signal;
	u32 deliver_virtio_interrupt;
	u32 deliver_stop_signal;
	u32 deliver_prefix_signal;
	u32 deliver_restart_signal;
	u32 deliver_program_int;
	u32 deliver_io_int;
	u32 exit_wait_state;
	u32 instruction_pfmf;
	u32 instruction_stidp;
	u32 instruction_spx;
	u32 instruction_stpx;
	u32 instruction_stap;
	u32 instruction_storage_key;
	u32 instruction_stsch;
	u32 instruction_chsc;
	u32 instruction_stsi;
	u32 instruction_stfl;
	u32 instruction_tprot;
	u32 instruction_essa;
	u32 instruction_sigp_sense;
	u32 instruction_sigp_sense_running;
	u32 instruction_sigp_external_call;
	u32 instruction_sigp_emergency;
	u32 instruction_sigp_stop;
	u32 instruction_sigp_arch;
	u32 instruction_sigp_prefix;
	u32 instruction_sigp_restart;
	u32 diagnose_10;
	u32 diagnose_44;
	u32 diagnose_9c;
};

#define PGM_OPERATION            0x01
#define PGM_PRIVILEGED_OP	 0x02
#define PGM_EXECUTE              0x03
#define PGM_PROTECTION           0x04
#define PGM_ADDRESSING           0x05
#define PGM_SPECIFICATION        0x06
#define PGM_DATA                 0x07

struct kvm_s390_interrupt_info {
	struct list_head list;
	u64	type;
	union {
		struct kvm_s390_io_info io;
		struct kvm_s390_ext_info ext;
		struct kvm_s390_pgm_info pgm;
		struct kvm_s390_emerg_info emerg;
		struct kvm_s390_extcall_info extcall;
		struct kvm_s390_prefix_info prefix;
		struct kvm_s390_mchk_info mchk;
	};
};

/* for local_interrupt.action_flags */
#define ACTION_STORE_ON_STOP		(1<<0)
#define ACTION_STOP_ON_STOP		(1<<1)

struct kvm_s390_local_interrupt {
	spinlock_t lock;
	struct list_head list;
	atomic_t active;
	struct kvm_s390_float_interrupt *float_int;
	int timer_due; /* event indicator for waitqueue below */
	wait_queue_head_t *wq;
	atomic_t *cpuflags;
	unsigned int action_bits;
};

struct kvm_s390_float_interrupt {
	spinlock_t lock;
	struct list_head list;
	atomic_t active;
	int next_rr_cpu;
	unsigned long idle_mask[BITS_TO_LONGS(KVM_MAX_VCPUS)];
	unsigned int irq_count;
};


struct kvm_vcpu_arch {
	struct kvm_s390_sie_block *sie_block;
	s390_fp_regs      host_fpregs;
	unsigned int      host_acrs[NUM_ACRS];
	s390_fp_regs      guest_fpregs;
	struct kvm_s390_local_interrupt local_int;
	struct hrtimer    ckc_timer;
	struct tasklet_struct tasklet;
	union  {
		struct cpuid	cpu_id;
		u64		stidp_data;
	};
	struct gmap *gmap;
#define KVM_S390_PFAULT_TOKEN_INVALID	(-1UL)
	unsigned long pfault_token;
	unsigned long pfault_select;
	unsigned long pfault_compare;
};

struct kvm_vm_stat {
	u32 remote_tlb_flush;
};

struct kvm_arch_memory_slot {
};

struct s390_map_info {
	struct list_head list;
	__u64 guest_addr;
	__u64 addr;
	struct page *page;
};

struct s390_io_adapter {
	unsigned int id;
	int isc;
	bool maskable;
	bool masked;
	bool swap;
	struct rw_semaphore maps_lock;
	struct list_head maps;
	atomic_t nr_maps;
};

#define MAX_S390_IO_ADAPTERS ((MAX_ISC + 1) * 8)
#define MAX_S390_ADAPTER_MAPS 256

struct kvm_arch{
	struct sca_block *sca;
	debug_info_t *dbf;
	struct kvm_s390_float_interrupt float_int;
	struct kvm_device *flic;
	struct gmap *gmap;
	int css_support;
	int use_irqchip;
	struct s390_io_adapter *adapters[MAX_S390_IO_ADAPTERS];
};

#define KVM_HVA_ERR_BAD		(-1UL)
#define KVM_HVA_ERR_RO_BAD	(-2UL)

static inline bool kvm_is_error_hva(unsigned long addr)
{
	return IS_ERR_VALUE(addr);
}

#define ASYNC_PF_PER_VCPU	64
struct kvm_vcpu;
struct kvm_async_pf;
struct kvm_arch_async_pf {
	unsigned long pfault_token;
};

bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu);

void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu,
			       struct kvm_async_pf *work);

void kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu,
				     struct kvm_async_pf *work);

void kvm_arch_async_page_present(struct kvm_vcpu *vcpu,
				 struct kvm_async_pf *work);

extern int sie64a(struct kvm_s390_sie_block *, u64 *);
extern char sie_exit;
#endif
Commit	Line	Data
b0c632db	1	/*
a53c8fab	2	* definition for kernel virtual machines on s390
b0c632db	3	*
a53c8fab	4	* Copyright IBM Corp. 2008, 2009
b0c632db HC	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License (version 2 only)
	8	* as published by the Free Software Foundation.
	9	*
	10	* Author(s): Carsten Otte <cotte@de.ibm.com>
	11	*/
	12
	13
	14	#ifndef ASM_KVM_HOST_H
	15	#define ASM_KVM_HOST_H
ca872302 CB	16	#include <linux/hrtimer.h>
ca872302 CB	17	#include <linux/interrupt.h>
b0c632db	18	#include <linux/kvm_host.h>
81aa8efe	19	#include <linux/kvm.h>
b0c632db	20	#include <asm/debug.h>
e86a6ed6	21	#include <asm/cpu.h>
841b91c5	22	#include <asm/isc.h>
b0c632db HC	23
b0c632db HC	24	#define KVM_MAX_VCPUS 64
bbacc0c1	25	#define KVM_USER_MEM_SLOTS 32
b0c632db	26
84223598 CH	27	/*
	28	* These seem to be used for allocating ->chip in the routing table,
	29	* which we don't use. 4096 is an out-of-thin-air value. If we need
	30	* to look at ->chip later on, we'll need to revisit this.
	31	*/
	32	#define KVM_NR_IRQCHIPS 1
	33	#define KVM_IRQCHIP_NUM_PINS 4096
	34
b0c632db HC	35	struct sca_entry {
b0c632db HC	36	atomic_t scn;
fc34531d	37	__u32 reserved;
b0c632db HC	38	__u64 sda;
	39	__u64 reserved2[2];
	40	} __attribute__((packed));
	41
	42
	43	struct sca_block {
	44	__u64 ipte_control;
	45	__u64 reserved[5];
	46	__u64 mcn;
	47	__u64 reserved2;
	48	struct sca_entry cpu[64];
	49	} __attribute__((packed));
	50
9e6dabef	51	#define CPUSTAT_STOPPED 0x80000000
b0c632db HC	52	#define CPUSTAT_WAIT 0x10000000
	53	#define CPUSTAT_ECALL_PEND 0x08000000
	54	#define CPUSTAT_STOP_INT 0x04000000
	55	#define CPUSTAT_IO_INT 0x02000000
	56	#define CPUSTAT_EXT_INT 0x01000000
	57	#define CPUSTAT_RUNNING 0x00800000
	58	#define CPUSTAT_RETAINED 0x00400000
	59	#define CPUSTAT_TIMING_SUB 0x00020000
	60	#define CPUSTAT_SIE_SUB 0x00010000
	61	#define CPUSTAT_RRF 0x00008000
	62	#define CPUSTAT_SLSV 0x00004000
	63	#define CPUSTAT_SLSR 0x00002000
	64	#define CPUSTAT_ZARCH 0x00000800
	65	#define CPUSTAT_MCDS 0x00000100
	66	#define CPUSTAT_SM 0x00000080
	67	#define CPUSTAT_G 0x00000008
69d0d3a3	68	#define CPUSTAT_GED 0x00000004
b0c632db HC	69	#define CPUSTAT_J 0x00000002
	70	#define CPUSTAT_P 0x00000001
	71
180c12fb	72	struct kvm_s390_sie_block {
b0c632db HC	73	atomic_t cpuflags; /* 0x0000 */
b0c632db HC	74	__u32 prefix; /* 0x0004 */
95d38fd0 CB	75	__u8 reserved08[4]; /* 0x0008 */
	76	#define PROG_IN_SIE (1<<0)
	77	__u32 prog0c; /* 0x000c */
49b99e1e CB	78	__u8 reserved10[16]; /* 0x0010 */
	79	#define PROG_BLOCK_SIE 0x00000001
	80	atomic_t prog20; /* 0x0020 */
	81	__u8 reserved24[4]; /* 0x0024 */
b0c632db HC	82	__u64 cputm; /* 0x0028 */
	83	__u64 ckc; /* 0x0030 */
	84	__u64 epoch; /* 0x0038 */
	85	__u8 reserved40[4]; /* 0x0040 */
ba5c1e9b	86	#define LCTL_CR0 0x8000
d8346b7d	87	#define LCTL_CR6 0x0200
48a3e950	88	#define LCTL_CR14 0x0002
b0c632db HC	89	__u16 lctl; /* 0x0044 */
b0c632db HC	90	__s16 icpua; /* 0x0046 */
48a3e950	91	#define ICTL_LPSW 0x00400000
b0c632db HC	92	__u32 ictl; /* 0x0048 */
	93	__u32 eca; /* 0x004c */
	94	__u8 icptcode; /* 0x0050 */
	95	__u8 reserved51; /* 0x0051 */
	96	__u16 ihcpu; /* 0x0052 */
	97	__u8 reserved54[2]; /* 0x0054 */
	98	__u16 ipa; /* 0x0056 */
	99	__u32 ipb; /* 0x0058 */
	100	__u32 scaoh; /* 0x005c */
	101	__u8 reserved60; /* 0x0060 */
	102	__u8 ecb; /* 0x0061 */
69d0d3a3 CB	103	__u8 ecb2; /* 0x0062 */
69d0d3a3 CB	104	__u8 reserved63[1]; /* 0x0063 */
b0c632db HC	105	__u32 scaol; /* 0x0064 */
	106	__u8 reserved68[4]; /* 0x0068 */
	107	__u32 todpr; /* 0x006c */
092670cd	108	__u8 reserved70[32]; /* 0x0070 */
b0c632db HC	109	psw_t gpsw; /* 0x0090 */
	110	__u64 gg14; /* 0x00a0 */
	111	__u64 gg15; /* 0x00a8 */
e28acfea CB	112	__u8 reservedb0[30]; /* 0x00b0 */
	113	__u16 iprcc; /* 0x00ce */
	114	__u8 reservedd0[48]; /* 0x00d0 */
b0c632db HC	115	__u64 gcr[16]; /* 0x0100 */
b0c632db HC	116	__u64 gbea; /* 0x0180 */
ef50f7ac CB	117	__u8 reserved188[24]; /* 0x0188 */
ef50f7ac CB	118	__u32 fac; /* 0x01a0 */
b31288fa KW	119	__u8 reserved1a4[20]; /* 0x01a4 */
b31288fa KW	120	__u64 cbrlo; /* 0x01b8 */
7cbb39d4	121	__u8 reserved1c0[30]; /* 0x01c0 */
672550fb CB	122	__u64 pp; /* 0x01de */
672550fb CB	123	__u8 reserved1e6[2]; /* 0x01e6 */
7feb6bb8 MM	124	__u64 itdba; /* 0x01e8 */
7feb6bb8 MM	125	__u8 reserved1f0[16]; /* 0x01f0 */
b0c632db HC	126	} __attribute__((packed));
b0c632db HC	127
7feb6bb8 MM	128	struct kvm_s390_itdb {
	129	__u8 data[256];
	130	} __packed;
	131
	132	struct sie_page {
	133	struct kvm_s390_sie_block sie_block;
	134	__u8 reserved200[1024]; /* 0x0200 */
	135	struct kvm_s390_itdb itdb; /* 0x0600 */
	136	__u8 reserved700[2304]; /* 0x0700 */
	137	} __packed;
	138
b0c632db HC	139	struct kvm_vcpu_stat {
b0c632db HC	140	u32 exit_userspace;
0eaeafa1	141	u32 exit_null;
8f2abe6a CB	142	u32 exit_external_request;
	143	u32 exit_external_interrupt;
	144	u32 exit_stop_request;
	145	u32 exit_validity;
ba5c1e9b CO	146	u32 exit_instruction;
ba5c1e9b CO	147	u32 instruction_lctl;
f5e10b09	148	u32 instruction_lctlg;
ba5c1e9b CO	149	u32 exit_program_interruption;
ba5c1e9b CO	150	u32 exit_instr_and_program;
7697e71f	151	u32 deliver_external_call;
ba5c1e9b CO	152	u32 deliver_emergency_signal;
	153	u32 deliver_service_signal;
	154	u32 deliver_virtio_interrupt;
	155	u32 deliver_stop_signal;
	156	u32 deliver_prefix_signal;
	157	u32 deliver_restart_signal;
	158	u32 deliver_program_int;
d8346b7d	159	u32 deliver_io_int;
ba5c1e9b	160	u32 exit_wait_state;
69d0d3a3	161	u32 instruction_pfmf;
453423dc CB	162	u32 instruction_stidp;
	163	u32 instruction_spx;
	164	u32 instruction_stpx;
	165	u32 instruction_stap;
	166	u32 instruction_storage_key;
	167	u32 instruction_stsch;
	168	u32 instruction_chsc;
	169	u32 instruction_stsi;
	170	u32 instruction_stfl;
bb25b9ba	171	u32 instruction_tprot;
b31288fa	172	u32 instruction_essa;
5288fbf0	173	u32 instruction_sigp_sense;
bd59d3a4	174	u32 instruction_sigp_sense_running;
7697e71f	175	u32 instruction_sigp_external_call;
5288fbf0 CB	176	u32 instruction_sigp_emergency;
	177	u32 instruction_sigp_stop;
	178	u32 instruction_sigp_arch;
	179	u32 instruction_sigp_prefix;
	180	u32 instruction_sigp_restart;
388186bc	181	u32 diagnose_10;
e28acfea	182	u32 diagnose_44;
41628d33	183	u32 diagnose_9c;
b0c632db HC	184	};
b0c632db HC	185
ba5c1e9b	186	#define PGM_OPERATION 0x01
208dd756	187	#define PGM_PRIVILEGED_OP 0x02
ba5c1e9b CO	188	#define PGM_EXECUTE 0x03
	189	#define PGM_PROTECTION 0x04
	190	#define PGM_ADDRESSING 0x05
	191	#define PGM_SPECIFICATION 0x06
	192	#define PGM_DATA 0x07
	193
180c12fb	194	struct kvm_s390_interrupt_info {
ba5c1e9b CO	195	struct list_head list;
	196	u64 type;
	197	union {
180c12fb CB	198	struct kvm_s390_io_info io;
	199	struct kvm_s390_ext_info ext;
	200	struct kvm_s390_pgm_info pgm;
8bb3a2eb	201	struct kvm_s390_emerg_info emerg;
7697e71f	202	struct kvm_s390_extcall_info extcall;
180c12fb	203	struct kvm_s390_prefix_info prefix;
48a3e950	204	struct kvm_s390_mchk_info mchk;
ba5c1e9b CO	205	};
	206	};
	207
5288fbf0	208	/* for local_interrupt.action_flags */
9ace903d CE	209	#define ACTION_STORE_ON_STOP (1<<0)
9ace903d CE	210	#define ACTION_STOP_ON_STOP (1<<1)
5288fbf0	211
180c12fb	212	struct kvm_s390_local_interrupt {
ba5c1e9b CO	213	spinlock_t lock;
	214	struct list_head list;
	215	atomic_t active;
180c12fb	216	struct kvm_s390_float_interrupt *float_int;
ba5c1e9b	217	int timer_due; /* event indicator for waitqueue below */
d0321a24	218	wait_queue_head_t *wq;
5288fbf0 CB	219	atomic_t *cpuflags;
5288fbf0 CB	220	unsigned int action_bits;
ba5c1e9b CO	221	};
ba5c1e9b CO	222
180c12fb	223	struct kvm_s390_float_interrupt {
ba5c1e9b CO	224	spinlock_t lock;
	225	struct list_head list;
	226	atomic_t active;
	227	int next_rr_cpu;
609433fb	228	unsigned long idle_mask[BITS_TO_LONGS(KVM_MAX_VCPUS)];
a91b8ebe	229	unsigned int irq_count;
ba5c1e9b CO	230	};
	231
	232
b0c632db	233	struct kvm_vcpu_arch {
180c12fb	234	struct kvm_s390_sie_block *sie_block;
b0c632db HC	235	s390_fp_regs host_fpregs;
	236	unsigned int host_acrs[NUM_ACRS];
	237	s390_fp_regs guest_fpregs;
180c12fb	238	struct kvm_s390_local_interrupt local_int;
ca872302 CB	239	struct hrtimer ckc_timer;
ca872302 CB	240	struct tasklet_struct tasklet;
453423dc	241	union {
e86a6ed6 HC	242	struct cpuid cpu_id;
e86a6ed6 HC	243	u64 stidp_data;
453423dc	244	};
598841ca	245	struct gmap *gmap;
3c038e6b DD	246	#define KVM_S390_PFAULT_TOKEN_INVALID (-1UL)
	247	unsigned long pfault_token;
	248	unsigned long pfault_select;
	249	unsigned long pfault_compare;
b0c632db HC	250	};
	251
	252	struct kvm_vm_stat {
	253	u32 remote_tlb_flush;
	254	};
	255
db3fe4eb TY	256	struct kvm_arch_memory_slot {
	257	};
	258
841b91c5 CH	259	struct s390_map_info {
	260	struct list_head list;
	261	__u64 guest_addr;
	262	__u64 addr;
	263	struct page *page;
	264	};
	265
	266	struct s390_io_adapter {
	267	unsigned int id;
	268	int isc;
	269	bool maskable;
	270	bool masked;
	271	bool swap;
	272	struct rw_semaphore maps_lock;
	273	struct list_head maps;
	274	atomic_t nr_maps;
	275	};
	276
	277	#define MAX_S390_IO_ADAPTERS ((MAX_ISC + 1) * 8)
	278	#define MAX_S390_ADAPTER_MAPS 256
	279
b0c632db	280	struct kvm_arch{
b0c632db HC	281	struct sca_block *sca;
b0c632db HC	282	debug_info_t *dbf;
180c12fb	283	struct kvm_s390_float_interrupt float_int;
c05c4186	284	struct kvm_device *flic;
598841ca	285	struct gmap *gmap;
fa6b7fe9	286	int css_support;
84223598	287	int use_irqchip;
841b91c5	288	struct s390_io_adapter *adapters[MAX_S390_IO_ADAPTERS];
b0c632db HC	289	};
b0c632db HC	290
bf640876 DD	291	#define KVM_HVA_ERR_BAD (-1UL)
	292	#define KVM_HVA_ERR_RO_BAD (-2UL)
	293
	294	static inline bool kvm_is_error_hva(unsigned long addr)
	295	{
	296	return IS_ERR_VALUE(addr);
	297	}
	298
3c038e6b DD	299	#define ASYNC_PF_PER_VCPU 64
	300	struct kvm_vcpu;
	301	struct kvm_async_pf;
	302	struct kvm_arch_async_pf {
	303	unsigned long pfault_token;
	304	};
	305
	306	bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu);
	307
	308	void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu,
	309	struct kvm_async_pf *work);
	310
	311	void kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu,
	312	struct kvm_async_pf *work);
	313
	314	void kvm_arch_async_page_present(struct kvm_vcpu *vcpu,
	315	struct kvm_async_pf *work);
	316
5a32c1af	317	extern int sie64a(struct kvm_s390_sie_block , u64 );
b764bb1c	318	extern char sie_exit;
b0c632db	319	#endif