[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
#define KVM_DEV_FLIC_CLEAR_IO_IRQ	8
/*
 * 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
#define KVM_S390_VM_CRYPTO		2
#define KVM_S390_VM_CPU_MODEL		3

/* 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

#define KVM_S390_NO_MEM_LIMIT		U64_MAX

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

/* kvm attributes for KVM_S390_VM_CPU_MODEL */
/* processor related attributes are r/w */
#define KVM_S390_VM_CPU_PROCESSOR	0
struct kvm_s390_vm_cpu_processor {
	__u64 cpuid;
	__u16 ibc;
	__u8  pad[6];
	__u64 fac_list[256];
};

/* machine related attributes are r/o */
#define KVM_S390_VM_CPU_MACHINE		1
struct kvm_s390_vm_cpu_machine {
	__u64 cpuid;
	__u32 ibc;
	__u8  pad[4];
	__u64 fac_mask[256];
	__u64 fac_list[256];
};

#define KVM_S390_VM_CPU_PROCESSOR_FEAT	2
#define KVM_S390_VM_CPU_MACHINE_FEAT	3

#define KVM_S390_VM_CPU_FEAT_NR_BITS	1024
#define KVM_S390_VM_CPU_FEAT_ESOP	0
struct kvm_s390_vm_cpu_feat {
	__u64 feat[16];
};

/* kvm attributes for crypto */
#define KVM_S390_VM_CRYPTO_ENABLE_AES_KW	0
#define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW	1
#define KVM_S390_VM_CRYPTO_DISABLE_AES_KW	2
#define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW	3

/* 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)
#define KVM_SYNC_VRS    (1UL << 6)
#define KVM_SYNC_RICCB  (1UL << 7)
#define KVM_SYNC_FPRS   (1UL << 8)
/* 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] */
	union {
		__u64 vrs[32][2];	/* vector registers (KVM_SYNC_VRS) */
		__u64 fprs[16];		/* fp registers (KVM_SYNC_FPRS) */
	};
	__u8  reserved[512];	/* for future vector expansion */
	__u32 fpc;		/* valid on KVM_SYNC_VRS or KVM_SYNC_FPRS */
	__u8 padding[52];	/* riccb needs to be 64byte aligned */
	__u8 riccb[64];		/* runtime instrumentation controls block */
};

#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
6d28f789	28	#define KVM_DEV_FLIC_CLEAR_IO_IRQ 8
c05c4186 JF	29	/*
	30	* We can have up to 4*64k pending subchannels + 8 adapter interrupts,
	31	* as well as up to ASYNC_PF_PER_VCPU*KVM_MAX_VCPUS pfault done interrupts.
	32	* There are also sclp and machine checks. This gives us
	33	* sizeof(kvm_s390_irq)(465536+8+6464+1+1) = 72 266250 = 19170000
	34	* Lets round up to 8192 pages.
	35	*/
a91b8ebe	36	#define KVM_S390_MAX_FLOAT_IRQS 266250
c05c4186 JF	37	#define KVM_S390_FLIC_MAX_BUFFER 0x2000000
c05c4186 JF	38
841b91c5 CH	39	struct kvm_s390_io_adapter {
	40	__u32 id;
	41	__u8 isc;
	42	__u8 maskable;
	43	__u8 swap;
	44	__u8 pad;
	45	};
	46
	47	#define KVM_S390_IO_ADAPTER_MASK 1
	48	#define KVM_S390_IO_ADAPTER_MAP 2
	49	#define KVM_S390_IO_ADAPTER_UNMAP 3
	50
	51	struct kvm_s390_io_adapter_req {
	52	__u32 id;
	53	__u8 type;
	54	__u8 mask;
	55	__u16 pad0;
	56	__u64 addr;
	57	};
	58
4f718eab DD	59	/* kvm attr_group on vm fd */
4f718eab DD	60	#define KVM_S390_VM_MEM_CTRL 0
72f25020	61	#define KVM_S390_VM_TOD 1
a374e892	62	#define KVM_S390_VM_CRYPTO 2
658b6eda	63	#define KVM_S390_VM_CPU_MODEL 3
4f718eab DD	64
	65	/* kvm attributes for mem_ctrl */
	66	#define KVM_S390_VM_MEM_ENABLE_CMMA 0
	67	#define KVM_S390_VM_MEM_CLR_CMMA 1
8c0a7ce6	68	#define KVM_S390_VM_MEM_LIMIT_SIZE 2
4f718eab	69
a3a92c31 DD	70	#define KVM_S390_NO_MEM_LIMIT U64_MAX
a3a92c31 DD	71
72f25020 JH	72	/* kvm attributes for KVM_S390_VM_TOD */
	73	#define KVM_S390_VM_TOD_LOW 0
	74	#define KVM_S390_VM_TOD_HIGH 1
	75
658b6eda MM	76	/* kvm attributes for KVM_S390_VM_CPU_MODEL */
	77	/* processor related attributes are r/w */
	78	#define KVM_S390_VM_CPU_PROCESSOR 0
	79	struct kvm_s390_vm_cpu_processor {
	80	__u64 cpuid;
	81	__u16 ibc;
	82	__u8 pad[6];
	83	__u64 fac_list[256];
	84	};
	85
	86	/* machine related attributes are r/o */
	87	#define KVM_S390_VM_CPU_MACHINE 1
	88	struct kvm_s390_vm_cpu_machine {
	89	__u64 cpuid;
	90	__u32 ibc;
	91	__u8 pad[4];
	92	__u64 fac_mask[256];
	93	__u64 fac_list[256];
	94	};
	95
15c9705f DH	96	#define KVM_S390_VM_CPU_PROCESSOR_FEAT 2
	97	#define KVM_S390_VM_CPU_MACHINE_FEAT 3
	98
	99	#define KVM_S390_VM_CPU_FEAT_NR_BITS 1024
22be5a13	100	#define KVM_S390_VM_CPU_FEAT_ESOP 0
15c9705f DH	101	struct kvm_s390_vm_cpu_feat {
	102	__u64 feat[16];
	103	};
	104
a374e892 TK	105	/* kvm attributes for crypto */
	106	#define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0
	107	#define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1
	108	#define KVM_S390_VM_CRYPTO_DISABLE_AES_KW 2
	109	#define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW 3
	110
b0c632db HC	111	/* for KVM_GET_REGS and KVM_SET_REGS */
	112	struct kvm_regs {
	113	/* general purpose regs for s390 */
	114	__u64 gprs[16];
	115	};
	116
	117	/* for KVM_GET_SREGS and KVM_SET_SREGS */
	118	struct kvm_sregs {
	119	__u32 acrs[16];
	120	__u64 crs[16];
	121	};
	122
	123	/* for KVM_GET_FPU and KVM_SET_FPU */
	124	struct kvm_fpu {
	125	__u32 fpc;
	126	__u64 fprs[16];
	127	};
dd135ebb	128
af1827e7 DH	129	#define KVM_GUESTDBG_USE_HW_BP 0x00010000
	130
	131	#define KVM_HW_BP 1
	132	#define KVM_HW_WP_WRITE 2
	133	#define KVM_SINGLESTEP 4
	134
d0bfb940	135	struct kvm_debug_exit_arch {
af1827e7 DH	136	__u64 addr;
	137	__u8 type;
	138	__u8 pad[7]; /* Should be set to 0 */
	139	};
	140
	141	struct kvm_hw_breakpoint {
	142	__u64 addr;
	143	__u64 phys_addr;
	144	__u64 len;
	145	__u8 type;
	146	__u8 pad[7]; /* Should be set to 0 */
d0bfb940 JK	147	};
	148
	149	/* for KVM_SET_GUEST_DEBUG */
	150	struct kvm_guest_debug_arch {
af1827e7 DH	151	__u32 nr_hw_bp;
	152	__u32 pad; /* Should be set to 0 */
	153	struct kvm_hw_breakpoint __user *hw_bp;
d0bfb940 JK	154	};
d0bfb940 JK	155
9fbd8082 DH	156	/* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */
	157	#define KVM_S390_PFAULT_TOKEN_INVALID 0xffffffffffffffffULL
	158
60b413c9	159	#define KVM_SYNC_PREFIX (1UL << 0)
5a32c1af	160	#define KVM_SYNC_GPRS (1UL << 1)
59674c1a	161	#define KVM_SYNC_ACRS (1UL << 2)
9eed0735	162	#define KVM_SYNC_CRS (1UL << 3)
b028ee3e DH	163	#define KVM_SYNC_ARCH0 (1UL << 4)
b028ee3e DH	164	#define KVM_SYNC_PFAULT (1UL << 5)
68c55750	165	#define KVM_SYNC_VRS (1UL << 6)
c6e5f166	166	#define KVM_SYNC_RICCB (1UL << 7)
6fd8e67d	167	#define KVM_SYNC_FPRS (1UL << 8)
b9e5dc8d CB	168	/* definition of registers in kvm_run */
b9e5dc8d CB	169	struct kvm_sync_regs {
60b413c9	170	__u64 prefix; /* prefix register */
5a32c1af	171	__u64 gprs[16]; /* general purpose registers */
59674c1a	172	__u32 acrs[16]; /* access registers */
9eed0735	173	__u64 crs[16]; /* control registers */
b028ee3e DH	174	__u64 todpr; /* tod programmable register [ARCH0] */
	175	__u64 cputm; /* cpu timer [ARCH0] */
	176	__u64 ckc; /* clock comparator [ARCH0] */
	177	__u64 pp; /* program parameter [ARCH0] */
	178	__u64 gbea; /* guest breaking-event address [ARCH0] */
	179	__u64 pft; /* pfault token [PFAULT] */
	180	__u64 pfs; /* pfault select [PFAULT] */
	181	__u64 pfc; /* pfault compare [PFAULT] */
6fd8e67d DH	182	union {
	183	__u64 vrs[32][2]; /* vector registers (KVM_SYNC_VRS) */
	184	__u64 fprs[16]; /* fp registers (KVM_SYNC_FPRS) */
	185	};
68c55750	186	__u8 reserved[512]; /* for future vector expansion */
6fd8e67d	187	__u32 fpc; /* valid on KVM_SYNC_VRS or KVM_SYNC_FPRS */
c6e5f166 FZ	188	__u8 padding[52]; /* riccb needs to be 64byte aligned */
c6e5f166 FZ	189	__u8 riccb[64]; /* runtime instrumentation controls block */
b9e5dc8d	190	};
29b7c71b CO	191
	192	#define KVM_REG_S390_TODPR (KVM_REG_S390 \| KVM_REG_SIZE_U32 \| 0x1)
	193	#define KVM_REG_S390_EPOCHDIFF (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x2)
46a6dd1c J	194	#define KVM_REG_S390_CPU_TIMER (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x3)
46a6dd1c J	195	#define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x4)
536336c2 DD	196	#define KVM_REG_S390_PFTOKEN (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x5)
	197	#define KVM_REG_S390_PFCOMPARE (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x6)
	198	#define KVM_REG_S390_PFSELECT (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x7)
672550fb	199	#define KVM_REG_S390_PP (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x8)
afa45ff5	200	#define KVM_REG_S390_GBEA (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x9)
dd135ebb	201	#endif