kvm_host_types.h

  1/* SPDX-License-Identifier: GPL-2.0 */
  2
  3#ifndef _ASM_KVM_HOST_TYPES_H
  4#define _ASM_KVM_HOST_TYPES_H
  5
  6#include <linux/atomic.h>
  7#include <linux/types.h>
  8
  9#define KVM_S390_BSCA_CPU_SLOTS 64
 10#define KVM_S390_ESCA_CPU_SLOTS 248
 11
 12#define SIGP_CTRL_C		0x80
 13#define SIGP_CTRL_SCN_MASK	0x3f
 14
 15union bsca_sigp_ctrl {
 16	__u8 value;
 17	struct {
 18		__u8 c : 1;
 19		__u8 r : 1;
 20		__u8 scn : 6;
 21	};
 22};
 23
 24union esca_sigp_ctrl {
 25	__u16 value;
 26	struct {
 27		__u8 c : 1;
 28		__u8 reserved: 7;
 29		__u8 scn;
 30	};
 31};
 32
 33struct esca_entry {
 34	union esca_sigp_ctrl sigp_ctrl;
 35	__u16	reserved1[3];
 36	__u64	sda;
 37	__u64	reserved2[6];
 38};
 39
 40struct bsca_entry {
 41	__u8	reserved0;
 42	union bsca_sigp_ctrl	sigp_ctrl;
 43	__u16	reserved[3];
 44	__u64	sda;
 45	__u64	reserved2[2];
 46};
 47
 48union ipte_control {
 49	unsigned long val;
 50	struct {
 51		unsigned long k  : 1;
 52		unsigned long kh : 31;
 53		unsigned long kg : 32;
 54	};
 55};
 56
 57/*
 58 * Utility is defined as two bytes but having it four bytes wide
 59 * generates more efficient code. Since the following bytes are
 60 * reserved this makes no functional difference.
 61 */
 62union sca_utility {
 63	__u32 val;
 64	struct {
 65		__u32 mtcr : 1;
 66		__u32	   : 31;
 67	};
 68};
 69
 70struct bsca_block {
 71	union ipte_control ipte_control;
 72	__u64	reserved[5];
 73	__u64	mcn;
 74	union sca_utility utility;
 75	__u8	reserved2[4];
 76	struct bsca_entry cpu[KVM_S390_BSCA_CPU_SLOTS];
 77};
 78
 79struct esca_block {
 80	union ipte_control ipte_control;
 81	__u64	reserved1[6];
 82	union sca_utility utility;
 83	__u8	reserved2[4];
 84	__u64	mcn[4];
 85	__u64	reserved3[20];
 86	struct esca_entry cpu[KVM_S390_ESCA_CPU_SLOTS];
 87};
 88
 89/*
 90 * This struct is used to store some machine check info from lowcore
 91 * for machine checks that happen while the guest is running.
 92 * This info in host's lowcore might be overwritten by a second machine
 93 * check from host when host is in the machine check's high-level handling.
 94 * The size is 24 bytes.
 95 */
 96struct mcck_volatile_info {
 97	__u64 mcic;
 98	__u64 failing_storage_address;
 99	__u32 ext_damage_code;
100	__u32 reserved;
101};
102
103#define CR0_INITIAL_MASK (CR0_UNUSED_56 | CR0_INTERRUPT_KEY_SUBMASK | \
104			  CR0_MEASUREMENT_ALERT_SUBMASK)
105#define CR14_INITIAL_MASK (CR14_UNUSED_32 | CR14_UNUSED_33 | \
106			   CR14_EXTERNAL_DAMAGE_SUBMASK)
107
108#define SIDAD_SIZE_MASK		0xff
109#define sida_addr(sie_block) phys_to_virt((sie_block)->sidad & PAGE_MASK)
110#define sida_size(sie_block) \
111	((((sie_block)->sidad & SIDAD_SIZE_MASK) + 1) * PAGE_SIZE)
112
113#define CPUSTAT_STOPPED    0x80000000
114#define CPUSTAT_WAIT	   0x10000000
115#define CPUSTAT_ECALL_PEND 0x08000000
116#define CPUSTAT_STOP_INT   0x04000000
117#define CPUSTAT_IO_INT	   0x02000000
118#define CPUSTAT_EXT_INT    0x01000000
119#define CPUSTAT_RUNNING    0x00800000
120#define CPUSTAT_RETAINED   0x00400000
121#define CPUSTAT_TIMING_SUB 0x00020000
122#define CPUSTAT_SIE_SUB    0x00010000
123#define CPUSTAT_RRF	   0x00008000
124#define CPUSTAT_SLSV	   0x00004000
125#define CPUSTAT_SLSR	   0x00002000
126#define CPUSTAT_ZARCH	   0x00000800
127#define CPUSTAT_MCDS	   0x00000100
128#define CPUSTAT_KSS	   0x00000200
129#define CPUSTAT_SM	   0x00000080
130#define CPUSTAT_IBS	   0x00000040
131#define CPUSTAT_GED2	   0x00000010
132#define CPUSTAT_G	   0x00000008
133#define CPUSTAT_GED	   0x00000004
134#define CPUSTAT_J	   0x00000002
135#define CPUSTAT_P	   0x00000001
136
137struct kvm_s390_sie_block {
138	atomic_t cpuflags;		/* 0x0000 */
139	__u32 : 1;			/* 0x0004 */
140	__u32 prefix : 18;
141	__u32 : 1;
142	__u32 ibc : 12;
143	__u8	reserved08[4];		/* 0x0008 */
144#define PROG_IN_SIE (1<<0)
145	__u32	prog0c;			/* 0x000c */
146	union {
147		__u8	reserved10[16];		/* 0x0010 */
148		struct {
149			__u64	pv_handle_cpu;
150			__u64	pv_handle_config;
151		};
152	};
153#define PROG_BLOCK_SIE	(1<<0)
154#define PROG_REQUEST	(1<<1)
155	atomic_t prog20;		/* 0x0020 */
156	__u8	reserved24[4];		/* 0x0024 */
157	__u64	cputm;			/* 0x0028 */
158	__u64	ckc;			/* 0x0030 */
159	__u64	epoch;			/* 0x0038 */
160	__u32	svcc;			/* 0x0040 */
161#define LCTL_CR0	0x8000
162#define LCTL_CR6	0x0200
163#define LCTL_CR9	0x0040
164#define LCTL_CR10	0x0020
165#define LCTL_CR11	0x0010
166#define LCTL_CR14	0x0002
167	__u16	lctl;			/* 0x0044 */
168	__s16	icpua;			/* 0x0046 */
169#define ICTL_OPEREXC	0x80000000
170#define ICTL_PINT	0x20000000
171#define ICTL_LPSW	0x00400000
172#define ICTL_STCTL	0x00040000
173#define ICTL_ISKE	0x00004000
174#define ICTL_SSKE	0x00002000
175#define ICTL_RRBE	0x00001000
176#define ICTL_TPROT	0x00000200
177	__u32	ictl;			/* 0x0048 */
178#define ECA_CEI		0x80000000
179#define ECA_IB		0x40000000
180#define ECA_SIGPI	0x10000000
181#define ECA_MVPGI	0x01000000
182#define ECA_AIV		0x00200000
183#define ECA_VX		0x00020000
184#define ECA_PROTEXCI	0x00002000
185#define ECA_APIE	0x00000008
186#define ECA_SII		0x00000001
187	__u32	eca;			/* 0x004c */
188#define ICPT_INST	0x04
189#define ICPT_PROGI	0x08
190#define ICPT_INSTPROGI	0x0C
191#define ICPT_EXTREQ	0x10
192#define ICPT_EXTINT	0x14
193#define ICPT_IOREQ	0x18
194#define ICPT_WAIT	0x1c
195#define ICPT_VALIDITY	0x20
196#define ICPT_STOP	0x28
197#define ICPT_OPEREXC	0x2C
198#define ICPT_PARTEXEC	0x38
199#define ICPT_IOINST	0x40
200#define ICPT_KSS	0x5c
201#define ICPT_MCHKREQ	0x60
202#define ICPT_INT_ENABLE	0x64
203#define ICPT_PV_INSTR	0x68
204#define ICPT_PV_NOTIFY	0x6c
205#define ICPT_PV_PREF	0x70
206	__u8	icptcode;		/* 0x0050 */
207	__u8	icptstatus;		/* 0x0051 */
208	__u16	ihcpu;			/* 0x0052 */
209	__u8	reserved54;		/* 0x0054 */
210#define IICTL_CODE_NONE		 0x00
211#define IICTL_CODE_MCHK		 0x01
212#define IICTL_CODE_EXT		 0x02
213#define IICTL_CODE_IO		 0x03
214#define IICTL_CODE_RESTART	 0x04
215#define IICTL_CODE_SPECIFICATION 0x10
216#define IICTL_CODE_OPERAND	 0x11
217	__u8	iictl;			/* 0x0055 */
218	__u16	ipa;			/* 0x0056 */
219	__u32	ipb;			/* 0x0058 */
220	__u32	scaoh;			/* 0x005c */
221#define FPF_BPBC	0x20
222	__u8	fpf;			/* 0x0060 */
223#define ECB_GS		0x40
224#define ECB_TE		0x10
225#define ECB_SPECI	0x08
226#define ECB_SRSI	0x04
227#define ECB_HOSTPROTINT	0x02
228#define ECB_PTF		0x01
229	__u8	ecb;			/* 0x0061 */
230#define ECB2_CMMA	0x80
231#define ECB2_IEP	0x20
232#define ECB2_PFMFI	0x08
233#define ECB2_ESCA	0x04
234#define ECB2_ZPCI_LSI	0x02
235	__u8	ecb2;			/* 0x0062 */
236#define ECB3_AISI	0x20
237#define ECB3_AISII	0x10
238#define ECB3_DEA 0x08
239#define ECB3_AES 0x04
240#define ECB3_RI  0x01
241	__u8	ecb3;			/* 0x0063 */
242#define ESCA_SCAOL_MASK ~0x3fU
243	__u32	scaol;			/* 0x0064 */
244	__u8	sdf;			/* 0x0068 */
245	__u8	epdx;			/* 0x0069 */
246	__u8	cpnc;			/* 0x006a */
247	__u8	reserved6b;		/* 0x006b */
248	__u32	todpr;			/* 0x006c */
249#define GISA_FORMAT1 0x00000001
250	__u32	gd;			/* 0x0070 */
251	__u8	reserved74[12];		/* 0x0074 */
252	__u64	mso;			/* 0x0080 */
253	__u64	msl;			/* 0x0088 */
254	psw_t	gpsw;			/* 0x0090 */
255	__u64	gg14;			/* 0x00a0 */
256	__u64	gg15;			/* 0x00a8 */
257	__u8	reservedb0[8];		/* 0x00b0 */
258#define HPID_KVM	0x4
259#define HPID_VSIE	0x5
260	__u8	hpid;			/* 0x00b8 */
261	__u8	reservedb9[7];		/* 0x00b9 */
262	union {
263		struct {
264			__u32	eiparams;	/* 0x00c0 */
265			__u16	extcpuaddr;	/* 0x00c4 */
266			__u16	eic;		/* 0x00c6 */
267		};
268		__u64	mcic;			/* 0x00c0 */
269	} __packed;
270	__u32	reservedc8;		/* 0x00c8 */
271	union {
272		struct {
273			__u16	pgmilc;		/* 0x00cc */
274			__u16	iprcc;		/* 0x00ce */
275		};
276		__u32	edc;			/* 0x00cc */
277	} __packed;
278	union {
279		struct {
280			__u32	dxc;		/* 0x00d0 */
281			__u16	mcn;		/* 0x00d4 */
282			__u8	perc;		/* 0x00d6 */
283			__u8	peratmid;	/* 0x00d7 */
284		};
285		__u64	faddr;			/* 0x00d0 */
286	} __packed;
287	__u64	peraddr;		/* 0x00d8 */
288	__u8	eai;			/* 0x00e0 */
289	__u8	peraid;			/* 0x00e1 */
290	__u8	oai;			/* 0x00e2 */
291	__u8	armid;			/* 0x00e3 */
292	__u8	reservede4[4];		/* 0x00e4 */
293	union {
294		__u64	tecmc;		/* 0x00e8 */
295		struct {
296			__u16	subchannel_id;	/* 0x00e8 */
297			__u16	subchannel_nr;	/* 0x00ea */
298			__u32	io_int_parm;	/* 0x00ec */
299			__u32	io_int_word;	/* 0x00f0 */
300		};
301	} __packed;
302	__u8	reservedf4[8];		/* 0x00f4 */
303#define CRYCB_FORMAT_MASK 0x00000003
304#define CRYCB_FORMAT0 0x00000000
305#define CRYCB_FORMAT1 0x00000001
306#define CRYCB_FORMAT2 0x00000003
307	__u32	crycbd;			/* 0x00fc */
308	__u64	gcr[16];		/* 0x0100 */
309	union {
310		__u64	gbea;		/* 0x0180 */
311		__u64	sidad;
312	};
313	__u8	reserved188[8];		/* 0x0188 */
314	__u64	sdnxo;			/* 0x0190 */
315	__u8	reserved198[8];		/* 0x0198 */
316	__u32	fac;			/* 0x01a0 */
317	__u8	reserved1a4[20];	/* 0x01a4 */
318	__u64	cbrlo;			/* 0x01b8 */
319	__u8	reserved1c0[8];		/* 0x01c0 */
320#define ECD_HOSTREGMGMT	0x20000000
321#define ECD_MEF		0x08000000
322#define ECD_ETOKENF	0x02000000
323#define ECD_ECC		0x00200000
324#define ECD_HMAC	0x00004000
325	__u32	ecd;			/* 0x01c8 */
326	__u8	reserved1cc[18];	/* 0x01cc */
327	__u64	pp;			/* 0x01de */
328	__u8	reserved1e6[2];		/* 0x01e6 */
329	__u64	itdba;			/* 0x01e8 */
330	__u64	riccbd;			/* 0x01f0 */
331	__u64	gvrd;			/* 0x01f8 */
332} __packed __aligned(512);
333
334struct kvm_s390_itdb {
335	__u8	data[256];
336};
337
338struct sie_page {
339	struct kvm_s390_sie_block sie_block;
340	struct mcck_volatile_info mcck_info;	/* 0x0200 */
341	__u8 reserved218[360];		/* 0x0218 */
342	__u64 pv_grregs[16];		/* 0x0380 */
343	__u8 reserved400[512];		/* 0x0400 */
344	struct kvm_s390_itdb itdb;	/* 0x0600 */
345	__u8 reserved700[2304];		/* 0x0700 */
346};
347
348#endif /* _ASM_KVM_HOST_TYPES_H */