[mirror_ubuntu-bionic-kernel.git] / arch / s390 / include / uapi / asm / kvm.h

#ifndef __LINUX_KVM_S390_H
#define __LINUX_KVM_S390_H
/*
 * KVM s390 specific structures and definitions
 *
 * 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>
 *               Christian Borntraeger <borntraeger@de.ibm.com>
 */
#include <linux/types.h>

#define __KVM_S390
#define __KVM_HAVE_GUEST_DEBUG

/* Device control API: s390-specific devices */
#define KVM_DEV_FLIC_GET_ALL_IRQS	1
#define KVM_DEV_FLIC_ENQUEUE		2
#define KVM_DEV_FLIC_CLEAR_IRQS		3
#define KVM_DEV_FLIC_APF_ENABLE		4
#define KVM_DEV_FLIC_APF_DISABLE_WAIT	5
#define KVM_DEV_FLIC_ADAPTER_REGISTER	6
#define KVM_DEV_FLIC_ADAPTER_MODIFY	7
/*
 * We can have up to 4*64k pending subchannels + 8 adapter interrupts,
 * as well as up  to ASYNC_PF_PER_VCPU*KVM_MAX_VCPUS pfault done interrupts.
 * There are also sclp and machine checks. This gives us
 * sizeof(kvm_s390_irq)*(4*65536+8+64*64+1+1) = 72 * 266250 = 19170000
 * Lets round up to 8192 pages.
 */
#define KVM_S390_MAX_FLOAT_IRQS	266250
#define KVM_S390_FLIC_MAX_BUFFER	0x2000000

struct kvm_s390_io_adapter {
	__u32 id;
	__u8 isc;
	__u8 maskable;
	__u8 swap;
	__u8 pad;
};

#define KVM_S390_IO_ADAPTER_MASK 1
#define KVM_S390_IO_ADAPTER_MAP 2
#define KVM_S390_IO_ADAPTER_UNMAP 3

struct kvm_s390_io_adapter_req {
	__u32 id;
	__u8 type;
	__u8 mask;
	__u16 pad0;
	__u64 addr;
};

/* kvm attr_group  on vm fd */
#define KVM_S390_VM_MEM_CTRL		0
#define KVM_S390_VM_TOD			1

/* kvm attributes for mem_ctrl */
#define KVM_S390_VM_MEM_ENABLE_CMMA	0
#define KVM_S390_VM_MEM_CLR_CMMA	1
#define KVM_S390_VM_MEM_LIMIT_SIZE	2

/* kvm attributes for KVM_S390_VM_TOD */
#define KVM_S390_VM_TOD_LOW		0
#define KVM_S390_VM_TOD_HIGH		1

/* for KVM_GET_REGS and KVM_SET_REGS */
struct kvm_regs {
	/* general purpose regs for s390 */
	__u64 gprs[16];
};

/* for KVM_GET_SREGS and KVM_SET_SREGS */
struct kvm_sregs {
	__u32 acrs[16];
	__u64 crs[16];
};

/* for KVM_GET_FPU and KVM_SET_FPU */
struct kvm_fpu {
	__u32 fpc;
	__u64 fprs[16];
};

#define KVM_GUESTDBG_USE_HW_BP		0x00010000

#define KVM_HW_BP			1
#define KVM_HW_WP_WRITE			2
#define KVM_SINGLESTEP			4

struct kvm_debug_exit_arch {
	__u64 addr;
	__u8 type;
	__u8 pad[7]; /* Should be set to 0 */
};

struct kvm_hw_breakpoint {
	__u64 addr;
	__u64 phys_addr;
	__u64 len;
	__u8 type;
	__u8 pad[7]; /* Should be set to 0 */
};

/* for KVM_SET_GUEST_DEBUG */
struct kvm_guest_debug_arch {
	__u32 nr_hw_bp;
	__u32 pad; /* Should be set to 0 */
	struct kvm_hw_breakpoint __user *hw_bp;
};

/* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */
#define KVM_S390_PFAULT_TOKEN_INVALID	0xffffffffffffffffULL

#define KVM_SYNC_PREFIX (1UL << 0)
#define KVM_SYNC_GPRS   (1UL << 1)
#define KVM_SYNC_ACRS   (1UL << 2)
#define KVM_SYNC_CRS    (1UL << 3)
#define KVM_SYNC_ARCH0  (1UL << 4)
#define KVM_SYNC_PFAULT (1UL << 5)
/* definition of registers in kvm_run */
struct kvm_sync_regs {
	__u64 prefix;	/* prefix register */
	__u64 gprs[16];	/* general purpose registers */
	__u32 acrs[16];	/* access registers */
	__u64 crs[16];	/* control registers */
	__u64 todpr;	/* tod programmable register [ARCH0] */
	__u64 cputm;	/* cpu timer [ARCH0] */
	__u64 ckc;	/* clock comparator [ARCH0] */
	__u64 pp;	/* program parameter [ARCH0] */
	__u64 gbea;	/* guest breaking-event address [ARCH0] */
	__u64 pft;	/* pfault token [PFAULT] */
	__u64 pfs;	/* pfault select [PFAULT] */
	__u64 pfc;	/* pfault compare [PFAULT] */
};

#define KVM_REG_S390_TODPR	(KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1)
#define KVM_REG_S390_EPOCHDIFF	(KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2)
#define KVM_REG_S390_CPU_TIMER  (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3)
#define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4)
#define KVM_REG_S390_PFTOKEN	(KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5)
#define KVM_REG_S390_PFCOMPARE	(KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6)
#define KVM_REG_S390_PFSELECT	(KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7)
#define KVM_REG_S390_PP		(KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8)
#define KVM_REG_S390_GBEA	(KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9)
#endif
Commit	Line	Data
dd135ebb CB	1	#ifndef __LINUX_KVM_S390_H
dd135ebb CB	2	#define __LINUX_KVM_S390_H
b0c632db	3	/*
a53c8fab	4	* KVM s390 specific structures and definitions
b0c632db HC	5	*
	6	* Copyright IBM Corp. 2008
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License (version 2 only)
	10	* as published by the Free Software Foundation.
	11	*
	12	* Author(s): Carsten Otte <cotte@de.ibm.com>
	13	* Christian Borntraeger <borntraeger@de.ibm.com>
	14	*/
0680ba01	15	#include <linux/types.h>
b0c632db	16
d7b0b5eb	17	#define __KVM_S390
27291e21	18	#define __KVM_HAVE_GUEST_DEBUG
d7b0b5eb	19
c05c4186 JF	20	/* Device control API: s390-specific devices */
	21	#define KVM_DEV_FLIC_GET_ALL_IRQS 1
	22	#define KVM_DEV_FLIC_ENQUEUE 2
	23	#define KVM_DEV_FLIC_CLEAR_IRQS 3
3c038e6b DD	24	#define KVM_DEV_FLIC_APF_ENABLE 4
3c038e6b DD	25	#define KVM_DEV_FLIC_APF_DISABLE_WAIT 5
841b91c5 CH	26	#define KVM_DEV_FLIC_ADAPTER_REGISTER 6
841b91c5 CH	27	#define KVM_DEV_FLIC_ADAPTER_MODIFY 7
c05c4186 JF	28	/*
	29	* We can have up to 4*64k pending subchannels + 8 adapter interrupts,
	30	* as well as up to ASYNC_PF_PER_VCPU*KVM_MAX_VCPUS pfault done interrupts.
	31	* There are also sclp and machine checks. This gives us
	32	* sizeof(kvm_s390_irq)(465536+8+6464+1+1) = 72 266250 = 19170000
	33	* Lets round up to 8192 pages.
	34	*/
a91b8ebe	35	#define KVM_S390_MAX_FLOAT_IRQS 266250
c05c4186 JF	36	#define KVM_S390_FLIC_MAX_BUFFER 0x2000000
c05c4186 JF	37
841b91c5 CH	38	struct kvm_s390_io_adapter {
	39	__u32 id;
	40	__u8 isc;
	41	__u8 maskable;
	42	__u8 swap;
	43	__u8 pad;
	44	};
	45
	46	#define KVM_S390_IO_ADAPTER_MASK 1
	47	#define KVM_S390_IO_ADAPTER_MAP 2
	48	#define KVM_S390_IO_ADAPTER_UNMAP 3
	49
	50	struct kvm_s390_io_adapter_req {
	51	__u32 id;
	52	__u8 type;
	53	__u8 mask;
	54	__u16 pad0;
	55	__u64 addr;
	56	};
	57
4f718eab DD	58	/* kvm attr_group on vm fd */
4f718eab DD	59	#define KVM_S390_VM_MEM_CTRL 0
72f25020	60	#define KVM_S390_VM_TOD 1
4f718eab DD	61
	62	/* kvm attributes for mem_ctrl */
	63	#define KVM_S390_VM_MEM_ENABLE_CMMA 0
	64	#define KVM_S390_VM_MEM_CLR_CMMA 1
8c0a7ce6	65	#define KVM_S390_VM_MEM_LIMIT_SIZE 2
4f718eab	66
72f25020 JH	67	/* kvm attributes for KVM_S390_VM_TOD */
	68	#define KVM_S390_VM_TOD_LOW 0
	69	#define KVM_S390_VM_TOD_HIGH 1
	70
b0c632db HC	71	/* for KVM_GET_REGS and KVM_SET_REGS */
	72	struct kvm_regs {
	73	/* general purpose regs for s390 */
	74	__u64 gprs[16];
	75	};
	76
	77	/* for KVM_GET_SREGS and KVM_SET_SREGS */
	78	struct kvm_sregs {
	79	__u32 acrs[16];
	80	__u64 crs[16];
	81	};
	82
	83	/* for KVM_GET_FPU and KVM_SET_FPU */
	84	struct kvm_fpu {
	85	__u32 fpc;
	86	__u64 fprs[16];
	87	};
dd135ebb	88
af1827e7 DH	89	#define KVM_GUESTDBG_USE_HW_BP 0x00010000
	90
	91	#define KVM_HW_BP 1
	92	#define KVM_HW_WP_WRITE 2
	93	#define KVM_SINGLESTEP 4
	94
d0bfb940	95	struct kvm_debug_exit_arch {
af1827e7 DH	96	__u64 addr;
	97	__u8 type;
	98	__u8 pad[7]; /* Should be set to 0 */
	99	};
	100
	101	struct kvm_hw_breakpoint {
	102	__u64 addr;
	103	__u64 phys_addr;
	104	__u64 len;
	105	__u8 type;
	106	__u8 pad[7]; /* Should be set to 0 */
d0bfb940 JK	107	};
	108
	109	/* for KVM_SET_GUEST_DEBUG */
	110	struct kvm_guest_debug_arch {
af1827e7 DH	111	__u32 nr_hw_bp;
	112	__u32 pad; /* Should be set to 0 */
	113	struct kvm_hw_breakpoint __user *hw_bp;
d0bfb940 JK	114	};
d0bfb940 JK	115
9fbd8082 DH	116	/* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */
	117	#define KVM_S390_PFAULT_TOKEN_INVALID 0xffffffffffffffffULL
	118
60b413c9	119	#define KVM_SYNC_PREFIX (1UL << 0)
5a32c1af	120	#define KVM_SYNC_GPRS (1UL << 1)
59674c1a	121	#define KVM_SYNC_ACRS (1UL << 2)
9eed0735	122	#define KVM_SYNC_CRS (1UL << 3)
b028ee3e DH	123	#define KVM_SYNC_ARCH0 (1UL << 4)
b028ee3e DH	124	#define KVM_SYNC_PFAULT (1UL << 5)
b9e5dc8d CB	125	/* definition of registers in kvm_run */
b9e5dc8d CB	126	struct kvm_sync_regs {
60b413c9	127	__u64 prefix; /* prefix register */
5a32c1af	128	__u64 gprs[16]; /* general purpose registers */
59674c1a	129	__u32 acrs[16]; /* access registers */
9eed0735	130	__u64 crs[16]; /* control registers */
b028ee3e DH	131	__u64 todpr; /* tod programmable register [ARCH0] */
	132	__u64 cputm; /* cpu timer [ARCH0] */
	133	__u64 ckc; /* clock comparator [ARCH0] */
	134	__u64 pp; /* program parameter [ARCH0] */
	135	__u64 gbea; /* guest breaking-event address [ARCH0] */
	136	__u64 pft; /* pfault token [PFAULT] */
	137	__u64 pfs; /* pfault select [PFAULT] */
	138	__u64 pfc; /* pfault compare [PFAULT] */
b9e5dc8d	139	};
29b7c71b CO	140
	141	#define KVM_REG_S390_TODPR (KVM_REG_S390 \| KVM_REG_SIZE_U32 \| 0x1)
	142	#define KVM_REG_S390_EPOCHDIFF (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x2)
46a6dd1c J	143	#define KVM_REG_S390_CPU_TIMER (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x3)
46a6dd1c J	144	#define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x4)
536336c2 DD	145	#define KVM_REG_S390_PFTOKEN (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x5)
	146	#define KVM_REG_S390_PFCOMPARE (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x6)
	147	#define KVM_REG_S390_PFSELECT (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x7)
672550fb	148	#define KVM_REG_S390_PP (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x8)
afa45ff5	149	#define KVM_REG_S390_GBEA (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x9)
dd135ebb	150	#endif