[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));

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

struct sca_block {
	union ipte_control 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_CR9	0x0040
#define LCTL_CR10	0x0020
#define LCTL_CR11	0x0010
#define LCTL_CR14	0x0002
	__u16   lctl;			/* 0x0044 */
	__s16	icpua;			/* 0x0046 */
#define ICTL_PINT	0x20000000
#define ICTL_LPSW	0x00400000
#define ICTL_STCTL	0x00040000
#define ICTL_ISKE	0x00004000
#define ICTL_SSKE	0x00002000
#define ICTL_RRBE	0x00001000
	__u32	ictl;			/* 0x0048 */
	__u32	eca;			/* 0x004c */
#define ICPT_INST	0x04
#define ICPT_PROGI	0x08
#define ICPT_INSTPROGI	0x0C
#define ICPT_OPEREXC	0x2C
#define ICPT_PARTEXEC	0x38
#define ICPT_IOINST	0x40
	__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[28];		/* 0x00b0 */
	__u16	pgmilc;			/* 0x00cc */
	__u16	iprcc;			/* 0x00ce */
	__u32	dxc;			/* 0x00d0 */
	__u16	mcn;			/* 0x00d4 */
	__u8	perc;			/* 0x00d6 */
	__u8	peratmid;		/* 0x00d7 */
	__u64	peraddr;		/* 0x00d8 */
	__u8	eai;			/* 0x00e0 */
	__u8	peraid;			/* 0x00e1 */
	__u8	oai;			/* 0x00e2 */
	__u8	armid;			/* 0x00e3 */
	__u8	reservede4[4];		/* 0x00e4 */
	__u64	tecmc;			/* 0x00e8 */
	__u8	reservedf0[16];		/* 0x00f0 */
	__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 instruction_stctl;
	u32 instruction_stctg;
	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_ipte_interlock;
	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
#define PGM_FIXED_POINT_OVERFLOW	0x08
#define PGM_FIXED_POINT_DIVIDE		0x09
#define PGM_DECIMAL_OVERFLOW		0x0a
#define PGM_DECIMAL_DIVIDE		0x0b
#define PGM_HFP_EXPONENT_OVERFLOW	0x0c
#define PGM_HFP_EXPONENT_UNDERFLOW	0x0d
#define PGM_HFP_SIGNIFICANCE		0x0e
#define PGM_HFP_DIVIDE			0x0f
#define PGM_SEGMENT_TRANSLATION		0x10
#define PGM_PAGE_TRANSLATION		0x11
#define PGM_TRANSLATION_SPEC		0x12
#define PGM_SPECIAL_OPERATION		0x13
#define PGM_OPERAND			0x15
#define PGM_TRACE_TABEL			0x16
#define PGM_SPACE_SWITCH		0x1c
#define PGM_HFP_SQUARE_ROOT		0x1d
#define PGM_PC_TRANSLATION_SPEC		0x1f
#define PGM_AFX_TRANSLATION		0x20
#define PGM_ASX_TRANSLATION		0x21
#define PGM_LX_TRANSLATION		0x22
#define PGM_EX_TRANSLATION		0x23
#define PGM_PRIMARY_AUTHORITY		0x24
#define PGM_SECONDARY_AUTHORITY		0x25
#define PGM_LFX_TRANSLATION		0x26
#define PGM_LSX_TRANSLATION		0x27
#define PGM_ALET_SPECIFICATION		0x28
#define PGM_ALEN_TRANSLATION		0x29
#define PGM_ALE_SEQUENCE		0x2a
#define PGM_ASTE_VALIDITY		0x2b
#define PGM_ASTE_SEQUENCE		0x2c
#define PGM_EXTENDED_AUTHORITY		0x2d
#define PGM_LSTE_SEQUENCE		0x2e
#define PGM_ASTE_INSTANCE		0x2f
#define PGM_STACK_FULL			0x30
#define PGM_STACK_EMPTY			0x31
#define PGM_STACK_SPECIFICATION		0x32
#define PGM_STACK_TYPE			0x33
#define PGM_STACK_OPERATION		0x34
#define PGM_ASCE_TYPE			0x38
#define PGM_REGION_FIRST_TRANS		0x39
#define PGM_REGION_SECOND_TRANS		0x3a
#define PGM_REGION_THIRD_TRANS		0x3b
#define PGM_MONITOR			0x40
#define PGM_PER				0x80
#define PGM_CRYPTO_OPERATION		0x119

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_hw_wp_info_arch {
	unsigned long addr;
	unsigned long phys_addr;
	int len;
	char *old_data;
};

struct kvm_hw_bp_info_arch {
	unsigned long addr;
	int len;
};

/*
 * Only the upper 16 bits of kvm_guest_debug->control are arch specific.
 * Further KVM_GUESTDBG flags which an be used from userspace can be found in
 * arch/s390/include/uapi/asm/kvm.h
 */
#define KVM_GUESTDBG_EXIT_PENDING 0x10000000

#define guestdbg_enabled(vcpu) \
		(vcpu->guest_debug & KVM_GUESTDBG_ENABLE)
#define guestdbg_sstep_enabled(vcpu) \
		(vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP)
#define guestdbg_hw_bp_enabled(vcpu) \
		(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)
#define guestdbg_exit_pending(vcpu) (guestdbg_enabled(vcpu) && \
		(vcpu->guest_debug & KVM_GUESTDBG_EXIT_PENDING))

struct kvm_guestdbg_info_arch {
	unsigned long cr0;
	unsigned long cr9;
	unsigned long cr10;
	unsigned long cr11;
	struct kvm_hw_bp_info_arch *hw_bp_info;
	struct kvm_hw_wp_info_arch *hw_wp_info;
	int nr_hw_bp;
	int nr_hw_wp;
	unsigned long last_bp;
};

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;
	struct kvm_s390_pgm_info pgm;
	union  {
		struct cpuid	cpu_id;
		u64		stidp_data;
	};
	struct gmap *gmap;
	struct kvm_guestdbg_info_arch guestdbg;
#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;
	int use_cmma;
	struct s390_io_adapter *adapters[MAX_S390_IO_ADAPTERS];
	wait_queue_head_t ipte_wq;
};

#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
8a242234 HC	42	union ipte_control {
	43	unsigned long val;
	44	struct {
	45	unsigned long k : 1;
	46	unsigned long kh : 31;
	47	unsigned long kg : 32;
	48	};
	49	};
b0c632db HC	50
b0c632db HC	51	struct sca_block {
8a242234	52	union ipte_control ipte_control;
b0c632db HC	53	__u64 reserved[5];
	54	__u64 mcn;
	55	__u64 reserved2;
	56	struct sca_entry cpu[64];
	57	} __attribute__((packed));
	58
9e6dabef	59	#define CPUSTAT_STOPPED 0x80000000
b0c632db HC	60	#define CPUSTAT_WAIT 0x10000000
	61	#define CPUSTAT_ECALL_PEND 0x08000000
	62	#define CPUSTAT_STOP_INT 0x04000000
	63	#define CPUSTAT_IO_INT 0x02000000
	64	#define CPUSTAT_EXT_INT 0x01000000
	65	#define CPUSTAT_RUNNING 0x00800000
	66	#define CPUSTAT_RETAINED 0x00400000
	67	#define CPUSTAT_TIMING_SUB 0x00020000
	68	#define CPUSTAT_SIE_SUB 0x00010000
	69	#define CPUSTAT_RRF 0x00008000
	70	#define CPUSTAT_SLSV 0x00004000
	71	#define CPUSTAT_SLSR 0x00002000
	72	#define CPUSTAT_ZARCH 0x00000800
	73	#define CPUSTAT_MCDS 0x00000100
	74	#define CPUSTAT_SM 0x00000080
	75	#define CPUSTAT_G 0x00000008
69d0d3a3	76	#define CPUSTAT_GED 0x00000004
b0c632db HC	77	#define CPUSTAT_J 0x00000002
	78	#define CPUSTAT_P 0x00000001
	79
180c12fb	80	struct kvm_s390_sie_block {
b0c632db HC	81	atomic_t cpuflags; /* 0x0000 */
b0c632db HC	82	__u32 prefix; /* 0x0004 */
95d38fd0 CB	83	__u8 reserved08[4]; /* 0x0008 */
	84	#define PROG_IN_SIE (1<<0)
	85	__u32 prog0c; /* 0x000c */
49b99e1e CB	86	__u8 reserved10[16]; /* 0x0010 */
	87	#define PROG_BLOCK_SIE 0x00000001
	88	atomic_t prog20; /* 0x0020 */
	89	__u8 reserved24[4]; /* 0x0024 */
b0c632db HC	90	__u64 cputm; /* 0x0028 */
	91	__u64 ckc; /* 0x0030 */
	92	__u64 epoch; /* 0x0038 */
	93	__u8 reserved40[4]; /* 0x0040 */
ba5c1e9b	94	#define LCTL_CR0 0x8000
d8346b7d	95	#define LCTL_CR6 0x0200
27291e21 DH	96	#define LCTL_CR9 0x0040
	97	#define LCTL_CR10 0x0020
	98	#define LCTL_CR11 0x0010
48a3e950	99	#define LCTL_CR14 0x0002
b0c632db HC	100	__u16 lctl; /* 0x0044 */
b0c632db HC	101	__s16 icpua; /* 0x0046 */
27291e21 DH	102	#define ICTL_PINT 0x20000000
	103	#define ICTL_LPSW 0x00400000
	104	#define ICTL_STCTL 0x00040000
	105	#define ICTL_ISKE 0x00004000
	106	#define ICTL_SSKE 0x00002000
	107	#define ICTL_RRBE 0x00001000
b0c632db HC	108	__u32 ictl; /* 0x0048 */
b0c632db HC	109	__u32 eca; /* 0x004c */
8712836b DH	110	#define ICPT_INST 0x04
	111	#define ICPT_PROGI 0x08
	112	#define ICPT_INSTPROGI 0x0C
	113	#define ICPT_OPEREXC 0x2C
	114	#define ICPT_PARTEXEC 0x38
	115	#define ICPT_IOINST 0x40
b0c632db HC	116	__u8 icptcode; /* 0x0050 */
	117	__u8 reserved51; /* 0x0051 */
	118	__u16 ihcpu; /* 0x0052 */
	119	__u8 reserved54[2]; /* 0x0054 */
	120	__u16 ipa; /* 0x0056 */
	121	__u32 ipb; /* 0x0058 */
	122	__u32 scaoh; /* 0x005c */
	123	__u8 reserved60; /* 0x0060 */
	124	__u8 ecb; /* 0x0061 */
69d0d3a3 CB	125	__u8 ecb2; /* 0x0062 */
69d0d3a3 CB	126	__u8 reserved63[1]; /* 0x0063 */
b0c632db HC	127	__u32 scaol; /* 0x0064 */
	128	__u8 reserved68[4]; /* 0x0068 */
	129	__u32 todpr; /* 0x006c */
092670cd	130	__u8 reserved70[32]; /* 0x0070 */
b0c632db HC	131	psw_t gpsw; /* 0x0090 */
	132	__u64 gg14; /* 0x00a0 */
	133	__u64 gg15; /* 0x00a8 */
439716a5 DH	134	__u8 reservedb0[28]; /* 0x00b0 */
	135	__u16 pgmilc; /* 0x00cc */
	136	__u16 iprcc; /* 0x00ce */
	137	__u32 dxc; /* 0x00d0 */
	138	__u16 mcn; /* 0x00d4 */
	139	__u8 perc; /* 0x00d6 */
	140	__u8 peratmid; /* 0x00d7 */
	141	__u64 peraddr; /* 0x00d8 */
	142	__u8 eai; /* 0x00e0 */
	143	__u8 peraid; /* 0x00e1 */
	144	__u8 oai; /* 0x00e2 */
	145	__u8 armid; /* 0x00e3 */
	146	__u8 reservede4[4]; /* 0x00e4 */
	147	__u64 tecmc; /* 0x00e8 */
	148	__u8 reservedf0[16]; /* 0x00f0 */
b0c632db HC	149	__u64 gcr[16]; /* 0x0100 */
b0c632db HC	150	__u64 gbea; /* 0x0180 */
ef50f7ac CB	151	__u8 reserved188[24]; /* 0x0188 */
ef50f7ac CB	152	__u32 fac; /* 0x01a0 */
b31288fa KW	153	__u8 reserved1a4[20]; /* 0x01a4 */
b31288fa KW	154	__u64 cbrlo; /* 0x01b8 */
7cbb39d4	155	__u8 reserved1c0[30]; /* 0x01c0 */
672550fb CB	156	__u64 pp; /* 0x01de */
672550fb CB	157	__u8 reserved1e6[2]; /* 0x01e6 */
7feb6bb8 MM	158	__u64 itdba; /* 0x01e8 */
7feb6bb8 MM	159	__u8 reserved1f0[16]; /* 0x01f0 */
b0c632db HC	160	} __attribute__((packed));
b0c632db HC	161
7feb6bb8 MM	162	struct kvm_s390_itdb {
	163	__u8 data[256];
	164	} __packed;
	165
	166	struct sie_page {
	167	struct kvm_s390_sie_block sie_block;
	168	__u8 reserved200[1024]; /* 0x0200 */
	169	struct kvm_s390_itdb itdb; /* 0x0600 */
	170	__u8 reserved700[2304]; /* 0x0700 */
	171	} __packed;
	172
b0c632db HC	173	struct kvm_vcpu_stat {
b0c632db HC	174	u32 exit_userspace;
0eaeafa1	175	u32 exit_null;
8f2abe6a CB	176	u32 exit_external_request;
	177	u32 exit_external_interrupt;
	178	u32 exit_stop_request;
	179	u32 exit_validity;
ba5c1e9b CO	180	u32 exit_instruction;
ba5c1e9b CO	181	u32 instruction_lctl;
f5e10b09	182	u32 instruction_lctlg;
aba07508 DH	183	u32 instruction_stctl;
aba07508 DH	184	u32 instruction_stctg;
ba5c1e9b CO	185	u32 exit_program_interruption;
ba5c1e9b CO	186	u32 exit_instr_and_program;
7697e71f	187	u32 deliver_external_call;
ba5c1e9b CO	188	u32 deliver_emergency_signal;
	189	u32 deliver_service_signal;
	190	u32 deliver_virtio_interrupt;
	191	u32 deliver_stop_signal;
	192	u32 deliver_prefix_signal;
	193	u32 deliver_restart_signal;
	194	u32 deliver_program_int;
d8346b7d	195	u32 deliver_io_int;
ba5c1e9b	196	u32 exit_wait_state;
69d0d3a3	197	u32 instruction_pfmf;
453423dc CB	198	u32 instruction_stidp;
	199	u32 instruction_spx;
	200	u32 instruction_stpx;
	201	u32 instruction_stap;
	202	u32 instruction_storage_key;
8a242234	203	u32 instruction_ipte_interlock;
453423dc CB	204	u32 instruction_stsch;
	205	u32 instruction_chsc;
	206	u32 instruction_stsi;
	207	u32 instruction_stfl;
bb25b9ba	208	u32 instruction_tprot;
b31288fa	209	u32 instruction_essa;
5288fbf0	210	u32 instruction_sigp_sense;
bd59d3a4	211	u32 instruction_sigp_sense_running;
7697e71f	212	u32 instruction_sigp_external_call;
5288fbf0 CB	213	u32 instruction_sigp_emergency;
	214	u32 instruction_sigp_stop;
	215	u32 instruction_sigp_arch;
	216	u32 instruction_sigp_prefix;
	217	u32 instruction_sigp_restart;
388186bc	218	u32 diagnose_10;
e28acfea	219	u32 diagnose_44;
41628d33	220	u32 diagnose_9c;
b0c632db HC	221	};
b0c632db HC	222
bcd84683 JF	223	#define PGM_OPERATION 0x01
	224	#define PGM_PRIVILEGED_OP 0x02
	225	#define PGM_EXECUTE 0x03
	226	#define PGM_PROTECTION 0x04
	227	#define PGM_ADDRESSING 0x05
	228	#define PGM_SPECIFICATION 0x06
	229	#define PGM_DATA 0x07
	230	#define PGM_FIXED_POINT_OVERFLOW 0x08
	231	#define PGM_FIXED_POINT_DIVIDE 0x09
	232	#define PGM_DECIMAL_OVERFLOW 0x0a
	233	#define PGM_DECIMAL_DIVIDE 0x0b
	234	#define PGM_HFP_EXPONENT_OVERFLOW 0x0c
	235	#define PGM_HFP_EXPONENT_UNDERFLOW 0x0d
	236	#define PGM_HFP_SIGNIFICANCE 0x0e
	237	#define PGM_HFP_DIVIDE 0x0f
	238	#define PGM_SEGMENT_TRANSLATION 0x10
	239	#define PGM_PAGE_TRANSLATION 0x11
	240	#define PGM_TRANSLATION_SPEC 0x12
	241	#define PGM_SPECIAL_OPERATION 0x13
	242	#define PGM_OPERAND 0x15
	243	#define PGM_TRACE_TABEL 0x16
	244	#define PGM_SPACE_SWITCH 0x1c
	245	#define PGM_HFP_SQUARE_ROOT 0x1d
	246	#define PGM_PC_TRANSLATION_SPEC 0x1f
	247	#define PGM_AFX_TRANSLATION 0x20
	248	#define PGM_ASX_TRANSLATION 0x21
	249	#define PGM_LX_TRANSLATION 0x22
	250	#define PGM_EX_TRANSLATION 0x23
	251	#define PGM_PRIMARY_AUTHORITY 0x24
	252	#define PGM_SECONDARY_AUTHORITY 0x25
	253	#define PGM_LFX_TRANSLATION 0x26
	254	#define PGM_LSX_TRANSLATION 0x27
	255	#define PGM_ALET_SPECIFICATION 0x28
	256	#define PGM_ALEN_TRANSLATION 0x29
	257	#define PGM_ALE_SEQUENCE 0x2a
	258	#define PGM_ASTE_VALIDITY 0x2b
	259	#define PGM_ASTE_SEQUENCE 0x2c
	260	#define PGM_EXTENDED_AUTHORITY 0x2d
	261	#define PGM_LSTE_SEQUENCE 0x2e
	262	#define PGM_ASTE_INSTANCE 0x2f
	263	#define PGM_STACK_FULL 0x30
	264	#define PGM_STACK_EMPTY 0x31
	265	#define PGM_STACK_SPECIFICATION 0x32
	266	#define PGM_STACK_TYPE 0x33
	267	#define PGM_STACK_OPERATION 0x34
	268	#define PGM_ASCE_TYPE 0x38
	269	#define PGM_REGION_FIRST_TRANS 0x39
	270	#define PGM_REGION_SECOND_TRANS 0x3a
	271	#define PGM_REGION_THIRD_TRANS 0x3b
	272	#define PGM_MONITOR 0x40
	273	#define PGM_PER 0x80
	274	#define PGM_CRYPTO_OPERATION 0x119
ba5c1e9b	275
180c12fb	276	struct kvm_s390_interrupt_info {
ba5c1e9b CO	277	struct list_head list;
	278	u64 type;
	279	union {
180c12fb CB	280	struct kvm_s390_io_info io;
	281	struct kvm_s390_ext_info ext;
	282	struct kvm_s390_pgm_info pgm;
8bb3a2eb	283	struct kvm_s390_emerg_info emerg;
7697e71f	284	struct kvm_s390_extcall_info extcall;
180c12fb	285	struct kvm_s390_prefix_info prefix;
48a3e950	286	struct kvm_s390_mchk_info mchk;
ba5c1e9b CO	287	};
	288	};
	289
5288fbf0	290	/* for local_interrupt.action_flags */
9ace903d CE	291	#define ACTION_STORE_ON_STOP (1<<0)
9ace903d CE	292	#define ACTION_STOP_ON_STOP (1<<1)
5288fbf0	293
180c12fb	294	struct kvm_s390_local_interrupt {
ba5c1e9b CO	295	spinlock_t lock;
	296	struct list_head list;
	297	atomic_t active;
180c12fb	298	struct kvm_s390_float_interrupt *float_int;
ba5c1e9b	299	int timer_due; /* event indicator for waitqueue below */
d0321a24	300	wait_queue_head_t *wq;
5288fbf0 CB	301	atomic_t *cpuflags;
5288fbf0 CB	302	unsigned int action_bits;
ba5c1e9b CO	303	};
ba5c1e9b CO	304
180c12fb	305	struct kvm_s390_float_interrupt {
ba5c1e9b CO	306	spinlock_t lock;
	307	struct list_head list;
	308	atomic_t active;
	309	int next_rr_cpu;
609433fb	310	unsigned long idle_mask[BITS_TO_LONGS(KVM_MAX_VCPUS)];
a91b8ebe	311	unsigned int irq_count;
ba5c1e9b CO	312	};
ba5c1e9b CO	313
27291e21 DH	314	struct kvm_hw_wp_info_arch {
	315	unsigned long addr;
	316	unsigned long phys_addr;
	317	int len;
	318	char *old_data;
	319	};
	320
	321	struct kvm_hw_bp_info_arch {
	322	unsigned long addr;
	323	int len;
	324	};
	325
	326	/*
	327	* Only the upper 16 bits of kvm_guest_debug->control are arch specific.
	328	* Further KVM_GUESTDBG flags which an be used from userspace can be found in
	329	* arch/s390/include/uapi/asm/kvm.h
	330	*/
	331	#define KVM_GUESTDBG_EXIT_PENDING 0x10000000
	332
	333	#define guestdbg_enabled(vcpu) \
	334	(vcpu->guest_debug & KVM_GUESTDBG_ENABLE)
	335	#define guestdbg_sstep_enabled(vcpu) \
	336	(vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP)
	337	#define guestdbg_hw_bp_enabled(vcpu) \
	338	(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)
	339	#define guestdbg_exit_pending(vcpu) (guestdbg_enabled(vcpu) && \
	340	(vcpu->guest_debug & KVM_GUESTDBG_EXIT_PENDING))
	341
	342	struct kvm_guestdbg_info_arch {
	343	unsigned long cr0;
	344	unsigned long cr9;
	345	unsigned long cr10;
	346	unsigned long cr11;
	347	struct kvm_hw_bp_info_arch *hw_bp_info;
	348	struct kvm_hw_wp_info_arch *hw_wp_info;
	349	int nr_hw_bp;
	350	int nr_hw_wp;
	351	unsigned long last_bp;
	352	};
ba5c1e9b	353
b0c632db	354	struct kvm_vcpu_arch {
180c12fb	355	struct kvm_s390_sie_block *sie_block;
b0c632db HC	356	s390_fp_regs host_fpregs;
	357	unsigned int host_acrs[NUM_ACRS];
	358	s390_fp_regs guest_fpregs;
180c12fb	359	struct kvm_s390_local_interrupt local_int;
ca872302 CB	360	struct hrtimer ckc_timer;
ca872302 CB	361	struct tasklet_struct tasklet;
1b0462e5	362	struct kvm_s390_pgm_info pgm;
453423dc	363	union {
e86a6ed6 HC	364	struct cpuid cpu_id;
e86a6ed6 HC	365	u64 stidp_data;
453423dc	366	};
598841ca	367	struct gmap *gmap;
27291e21	368	struct kvm_guestdbg_info_arch guestdbg;
3c038e6b DD	369	#define KVM_S390_PFAULT_TOKEN_INVALID (-1UL)
	370	unsigned long pfault_token;
	371	unsigned long pfault_select;
	372	unsigned long pfault_compare;
b0c632db HC	373	};
	374
	375	struct kvm_vm_stat {
	376	u32 remote_tlb_flush;
	377	};
	378
db3fe4eb TY	379	struct kvm_arch_memory_slot {
	380	};
	381
841b91c5 CH	382	struct s390_map_info {
	383	struct list_head list;
	384	__u64 guest_addr;
	385	__u64 addr;
	386	struct page *page;
	387	};
	388
	389	struct s390_io_adapter {
	390	unsigned int id;
	391	int isc;
	392	bool maskable;
	393	bool masked;
	394	bool swap;
	395	struct rw_semaphore maps_lock;
	396	struct list_head maps;
	397	atomic_t nr_maps;
	398	};
	399
	400	#define MAX_S390_IO_ADAPTERS ((MAX_ISC + 1) * 8)
	401	#define MAX_S390_ADAPTER_MAPS 256
	402
b0c632db	403	struct kvm_arch{
b0c632db HC	404	struct sca_block *sca;
b0c632db HC	405	debug_info_t *dbf;
180c12fb	406	struct kvm_s390_float_interrupt float_int;
c05c4186	407	struct kvm_device *flic;
598841ca	408	struct gmap *gmap;
fa6b7fe9	409	int css_support;
84223598	410	int use_irqchip;
b31605c1	411	int use_cmma;
841b91c5	412	struct s390_io_adapter *adapters[MAX_S390_IO_ADAPTERS];
8a242234	413	wait_queue_head_t ipte_wq;
b0c632db HC	414	};
b0c632db HC	415
bf640876 DD	416	#define KVM_HVA_ERR_BAD (-1UL)
	417	#define KVM_HVA_ERR_RO_BAD (-2UL)
	418
	419	static inline bool kvm_is_error_hva(unsigned long addr)
	420	{
	421	return IS_ERR_VALUE(addr);
	422	}
	423
3c038e6b DD	424	#define ASYNC_PF_PER_VCPU 64
	425	struct kvm_vcpu;
	426	struct kvm_async_pf;
	427	struct kvm_arch_async_pf {
	428	unsigned long pfault_token;
	429	};
	430
	431	bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu);
	432
	433	void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu,
	434	struct kvm_async_pf *work);
	435
	436	void kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu,
	437	struct kvm_async_pf *work);
	438
	439	void kvm_arch_async_page_present(struct kvm_vcpu *vcpu,
	440	struct kvm_async_pf *work);
	441
5a32c1af	442	extern int sie64a(struct kvm_s390_sie_block , u64 );
b764bb1c	443	extern char sie_exit;
b0c632db	444	#endif