[mirror_ubuntu-artful-kernel.git] / tools / 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
#define KVM_DEV_FLIC_AISM		9
#define KVM_DEV_FLIC_AIRQ_INJECT	10
/*
 * 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 flags;
};

#define KVM_S390_ADAPTER_SUPPRESSIBLE 0x01

struct kvm_s390_ais_req {
	__u8 isc;
	__u16 mode;
};

#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
#define KVM_S390_VM_CPU_FEAT_SIEF2	1
#define KVM_S390_VM_CPU_FEAT_64BSCAO	2
#define KVM_S390_VM_CPU_FEAT_SIIF	3
#define KVM_S390_VM_CPU_FEAT_GPERE	4
#define KVM_S390_VM_CPU_FEAT_GSLS	5
#define KVM_S390_VM_CPU_FEAT_IB		6
#define KVM_S390_VM_CPU_FEAT_CEI	7
#define KVM_S390_VM_CPU_FEAT_IBS	8
#define KVM_S390_VM_CPU_FEAT_SKEY	9
#define KVM_S390_VM_CPU_FEAT_CMMA	10
#define KVM_S390_VM_CPU_FEAT_PFMFI	11
#define KVM_S390_VM_CPU_FEAT_SIGPIF	12
#define KVM_S390_VM_CPU_FEAT_KSS	13
struct kvm_s390_vm_cpu_feat {
	__u64 feat[16];
};

#define KVM_S390_VM_CPU_PROCESSOR_SUBFUNC	4
#define KVM_S390_VM_CPU_MACHINE_SUBFUNC		5
/* for "test bit" instructions MSB 0 bit ordering, for "query" raw blocks */
struct kvm_s390_vm_cpu_subfunc {
	__u8 plo[32];		/* always */
	__u8 ptff[16];		/* with TOD-clock steering */
	__u8 kmac[16];		/* with MSA */
	__u8 kmc[16];		/* with MSA */
	__u8 km[16];		/* with MSA */
	__u8 kimd[16];		/* with MSA */
	__u8 klmd[16];		/* with MSA */
	__u8 pckmo[16];		/* with MSA3 */
	__u8 kmctr[16];		/* with MSA4 */
	__u8 kmf[16];		/* with MSA4 */
	__u8 kmo[16];		/* with MSA4 */
	__u8 pcc[16];		/* with MSA4 */
	__u8 ppno[16];		/* with MSA5 */
	__u8 kma[16];		/* with MSA8 */
	__u8 reserved[1808];
};

/* 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)
#define KVM_SYNC_GSCB   (1UL << 9)
/* length and alignment of the sdnx as a power of two */
#define SDNXC 8
#define SDNXL (1UL << SDNXC)
/* 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 padding1[52];	/* riccb needs to be 64byte aligned */
	__u8 riccb[64];		/* runtime instrumentation controls block */
	__u8 padding2[192];	/* sdnx needs to be 256byte aligned */
	union {
		__u8 sdnx[SDNXL];  /* state description annex */
		struct {
			__u64 reserved1[2];
			__u64 gscb[4];
		};
	};
};

#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
dd7bd109 ACM	1	#ifndef __LINUX_KVM_S390_H
	2	#define __LINUX_KVM_S390_H
	3	/*
	4	* KVM s390 specific structures and definitions
	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	*/
	15	#include <linux/types.h>
	16
	17	#define __KVM_S390
	18	#define __KVM_HAVE_GUEST_DEBUG
	19
	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
	24	#define KVM_DEV_FLIC_APF_ENABLE 4
	25	#define KVM_DEV_FLIC_APF_DISABLE_WAIT 5
	26	#define KVM_DEV_FLIC_ADAPTER_REGISTER 6
	27	#define KVM_DEV_FLIC_ADAPTER_MODIFY 7
	28	#define KVM_DEV_FLIC_CLEAR_IO_IRQ 8
6e30437b IM	29	#define KVM_DEV_FLIC_AISM 9
6e30437b IM	30	#define KVM_DEV_FLIC_AIRQ_INJECT 10
dd7bd109 ACM	31	/*
	32	* We can have up to 4*64k pending subchannels + 8 adapter interrupts,
	33	* as well as up to ASYNC_PF_PER_VCPU*KVM_MAX_VCPUS pfault done interrupts.
	34	* There are also sclp and machine checks. This gives us
	35	* sizeof(kvm_s390_irq)(465536+8+6464+1+1) = 72 266250 = 19170000
	36	* Lets round up to 8192 pages.
	37	*/
	38	#define KVM_S390_MAX_FLOAT_IRQS 266250
	39	#define KVM_S390_FLIC_MAX_BUFFER 0x2000000
	40
	41	struct kvm_s390_io_adapter {
	42	__u32 id;
	43	__u8 isc;
	44	__u8 maskable;
	45	__u8 swap;
6e30437b IM	46	__u8 flags;
	47	};
	48
	49	#define KVM_S390_ADAPTER_SUPPRESSIBLE 0x01
	50
	51	struct kvm_s390_ais_req {
	52	__u8 isc;
	53	__u16 mode;
dd7bd109 ACM	54	};
	55
	56	#define KVM_S390_IO_ADAPTER_MASK 1
	57	#define KVM_S390_IO_ADAPTER_MAP 2
	58	#define KVM_S390_IO_ADAPTER_UNMAP 3
	59
	60	struct kvm_s390_io_adapter_req {
	61	__u32 id;
	62	__u8 type;
	63	__u8 mask;
	64	__u16 pad0;
	65	__u64 addr;
	66	};
	67
	68	/* kvm attr_group on vm fd */
	69	#define KVM_S390_VM_MEM_CTRL 0
	70	#define KVM_S390_VM_TOD 1
	71	#define KVM_S390_VM_CRYPTO 2
	72	#define KVM_S390_VM_CPU_MODEL 3
	73
	74	/* kvm attributes for mem_ctrl */
	75	#define KVM_S390_VM_MEM_ENABLE_CMMA 0
	76	#define KVM_S390_VM_MEM_CLR_CMMA 1
	77	#define KVM_S390_VM_MEM_LIMIT_SIZE 2
	78
	79	#define KVM_S390_NO_MEM_LIMIT U64_MAX
	80
	81	/* kvm attributes for KVM_S390_VM_TOD */
	82	#define KVM_S390_VM_TOD_LOW 0
	83	#define KVM_S390_VM_TOD_HIGH 1
	84
	85	/* kvm attributes for KVM_S390_VM_CPU_MODEL */
	86	/* processor related attributes are r/w */
	87	#define KVM_S390_VM_CPU_PROCESSOR 0
	88	struct kvm_s390_vm_cpu_processor {
	89	__u64 cpuid;
	90	__u16 ibc;
	91	__u8 pad[6];
	92	__u64 fac_list[256];
	93	};
	94
	95	/* machine related attributes are r/o */
	96	#define KVM_S390_VM_CPU_MACHINE 1
	97	struct kvm_s390_vm_cpu_machine {
	98	__u64 cpuid;
	99	__u32 ibc;
	100	__u8 pad[4];
	101	__u64 fac_mask[256];
	102	__u64 fac_list[256];
	103	};
	104
9f315690 ACM	105	#define KVM_S390_VM_CPU_PROCESSOR_FEAT 2
	106	#define KVM_S390_VM_CPU_MACHINE_FEAT 3
	107
	108	#define KVM_S390_VM_CPU_FEAT_NR_BITS 1024
	109	#define KVM_S390_VM_CPU_FEAT_ESOP 0
	110	#define KVM_S390_VM_CPU_FEAT_SIEF2 1
	111	#define KVM_S390_VM_CPU_FEAT_64BSCAO 2
	112	#define KVM_S390_VM_CPU_FEAT_SIIF 3
	113	#define KVM_S390_VM_CPU_FEAT_GPERE 4
	114	#define KVM_S390_VM_CPU_FEAT_GSLS 5
	115	#define KVM_S390_VM_CPU_FEAT_IB 6
	116	#define KVM_S390_VM_CPU_FEAT_CEI 7
	117	#define KVM_S390_VM_CPU_FEAT_IBS 8
	118	#define KVM_S390_VM_CPU_FEAT_SKEY 9
	119	#define KVM_S390_VM_CPU_FEAT_CMMA 10
	120	#define KVM_S390_VM_CPU_FEAT_PFMFI 11
	121	#define KVM_S390_VM_CPU_FEAT_SIGPIF 12
6e30437b	122	#define KVM_S390_VM_CPU_FEAT_KSS 13
9f315690 ACM	123	struct kvm_s390_vm_cpu_feat {
	124	__u64 feat[16];
	125	};
	126
	127	#define KVM_S390_VM_CPU_PROCESSOR_SUBFUNC 4
	128	#define KVM_S390_VM_CPU_MACHINE_SUBFUNC 5
	129	/* for "test bit" instructions MSB 0 bit ordering, for "query" raw blocks */
	130	struct kvm_s390_vm_cpu_subfunc {
	131	__u8 plo[32]; /* always */
	132	__u8 ptff[16]; /* with TOD-clock steering */
	133	__u8 kmac[16]; /* with MSA */
	134	__u8 kmc[16]; /* with MSA */
	135	__u8 km[16]; /* with MSA */
	136	__u8 kimd[16]; /* with MSA */
	137	__u8 klmd[16]; /* with MSA */
	138	__u8 pckmo[16]; /* with MSA3 */
	139	__u8 kmctr[16]; /* with MSA4 */
	140	__u8 kmf[16]; /* with MSA4 */
	141	__u8 kmo[16]; /* with MSA4 */
	142	__u8 pcc[16]; /* with MSA4 */
	143	__u8 ppno[16]; /* with MSA5 */
e000b8e0 JH	144	__u8 kma[16]; /* with MSA8 */
e000b8e0 JH	145	__u8 reserved[1808];
9f315690 ACM	146	};
9f315690 ACM	147
dd7bd109 ACM	148	/* kvm attributes for crypto */
	149	#define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0
	150	#define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1
	151	#define KVM_S390_VM_CRYPTO_DISABLE_AES_KW 2
	152	#define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW 3
	153
	154	/* for KVM_GET_REGS and KVM_SET_REGS */
	155	struct kvm_regs {
	156	/* general purpose regs for s390 */
	157	__u64 gprs[16];
	158	};
	159
	160	/* for KVM_GET_SREGS and KVM_SET_SREGS */
	161	struct kvm_sregs {
	162	__u32 acrs[16];
	163	__u64 crs[16];
	164	};
	165
	166	/* for KVM_GET_FPU and KVM_SET_FPU */
	167	struct kvm_fpu {
	168	__u32 fpc;
	169	__u64 fprs[16];
	170	};
	171
	172	#define KVM_GUESTDBG_USE_HW_BP 0x00010000
	173
	174	#define KVM_HW_BP 1
	175	#define KVM_HW_WP_WRITE 2
	176	#define KVM_SINGLESTEP 4
	177
	178	struct kvm_debug_exit_arch {
	179	__u64 addr;
	180	__u8 type;
	181	__u8 pad[7]; /* Should be set to 0 */
	182	};
	183
	184	struct kvm_hw_breakpoint {
	185	__u64 addr;
	186	__u64 phys_addr;
	187	__u64 len;
	188	__u8 type;
	189	__u8 pad[7]; /* Should be set to 0 */
	190	};
	191
	192	/* for KVM_SET_GUEST_DEBUG */
	193	struct kvm_guest_debug_arch {
	194	__u32 nr_hw_bp;
	195	__u32 pad; /* Should be set to 0 */
	196	struct kvm_hw_breakpoint __user *hw_bp;
	197	};
	198
	199	/* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */
	200	#define KVM_S390_PFAULT_TOKEN_INVALID 0xffffffffffffffffULL
	201
	202	#define KVM_SYNC_PREFIX (1UL << 0)
	203	#define KVM_SYNC_GPRS (1UL << 1)
	204	#define KVM_SYNC_ACRS (1UL << 2)
	205	#define KVM_SYNC_CRS (1UL << 3)
	206	#define KVM_SYNC_ARCH0 (1UL << 4)
	207	#define KVM_SYNC_PFAULT (1UL << 5)
	208	#define KVM_SYNC_VRS (1UL << 6)
	209	#define KVM_SYNC_RICCB (1UL << 7)
	210	#define KVM_SYNC_FPRS (1UL << 8)
6e30437b IM	211	#define KVM_SYNC_GSCB (1UL << 9)
	212	/* length and alignment of the sdnx as a power of two */
	213	#define SDNXC 8
	214	#define SDNXL (1UL << SDNXC)
dd7bd109 ACM	215	/* definition of registers in kvm_run */
	216	struct kvm_sync_regs {
	217	__u64 prefix; /* prefix register */
	218	__u64 gprs[16]; /* general purpose registers */
	219	__u32 acrs[16]; /* access registers */
	220	__u64 crs[16]; /* control registers */
	221	__u64 todpr; /* tod programmable register [ARCH0] */
	222	__u64 cputm; /* cpu timer [ARCH0] */
	223	__u64 ckc; /* clock comparator [ARCH0] */
	224	__u64 pp; /* program parameter [ARCH0] */
	225	__u64 gbea; /* guest breaking-event address [ARCH0] */
	226	__u64 pft; /* pfault token [PFAULT] */
	227	__u64 pfs; /* pfault select [PFAULT] */
	228	__u64 pfc; /* pfault compare [PFAULT] */
	229	union {
	230	__u64 vrs[32][2]; /* vector registers (KVM_SYNC_VRS) */
	231	__u64 fprs[16]; /* fp registers (KVM_SYNC_FPRS) */
	232	};
	233	__u8 reserved[512]; /* for future vector expansion */
	234	__u32 fpc; /* valid on KVM_SYNC_VRS or KVM_SYNC_FPRS */
6e30437b	235	__u8 padding1[52]; /* riccb needs to be 64byte aligned */
dd7bd109	236	__u8 riccb[64]; /* runtime instrumentation controls block */
6e30437b IM	237	__u8 padding2[192]; /* sdnx needs to be 256byte aligned */
	238	union {
	239	__u8 sdnx[SDNXL]; /* state description annex */
	240	struct {
	241	__u64 reserved1[2];
	242	__u64 gscb[4];
	243	};
	244	};
dd7bd109 ACM	245	};
	246
	247	#define KVM_REG_S390_TODPR (KVM_REG_S390 \| KVM_REG_SIZE_U32 \| 0x1)
	248	#define KVM_REG_S390_EPOCHDIFF (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x2)
	249	#define KVM_REG_S390_CPU_TIMER (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x3)
	250	#define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x4)
	251	#define KVM_REG_S390_PFTOKEN (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x5)
	252	#define KVM_REG_S390_PFCOMPARE (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x6)
	253	#define KVM_REG_S390_PFSELECT (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x7)
	254	#define KVM_REG_S390_PP (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x8)
	255	#define KVM_REG_S390_GBEA (KVM_REG_S390 \| KVM_REG_SIZE_U64 \| 0x9)
	256	#endif