blob: c1724cf2f67e0e295a64f91403c8a0604a832ca7 [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef _S390X_SIE_H_
#define _S390X_SIE_H_
#include <stdint.h>
#include <asm/arch_def.h>
#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_KSS 0x00000200
#define CPUSTAT_SM 0x00000080
#define CPUSTAT_IBS 0x00000040
#define CPUSTAT_GED2 0x00000010
#define CPUSTAT_G 0x00000008
#define CPUSTAT_GED 0x00000004
#define CPUSTAT_J 0x00000002
#define CPUSTAT_P 0x00000001
struct kvm_s390_sie_block {
uint32_t cpuflags; /* 0x0000 */
uint32_t : 1; /* 0x0004 */
uint32_t prefix : 18;
uint32_t : 1;
uint32_t ibc : 12;
uint8_t reserved08[4]; /* 0x0008 */
#define PROG_IN_SIE (1<<0)
uint32_t prog0c; /* 0x000c */
union {
uint8_t reserved10[16]; /* 0x0010 */
struct {
uint64_t pv_handle_cpu;
uint64_t pv_handle_config;
};
};
#define PROG_BLOCK_SIE (1<<0)
#define PROG_REQUEST (1<<1)
uint32_t prog20; /* 0x0020 */
uint8_t reserved24[4]; /* 0x0024 */
uint64_t cputm; /* 0x0028 */
uint64_t ckc; /* 0x0030 */
uint64_t epoch; /* 0x0038 */
uint32_t svcc; /* 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
uint16_t lctl; /* 0x0044 */
int16_t icpua; /* 0x0046 */
#define ICTL_OPEREXC 0x80000000
#define ICTL_PINT 0x20000000
#define ICTL_LPSW 0x00400000
#define ICTL_STCTL 0x00040000
#define ICTL_ISKE 0x00004000
#define ICTL_SSKE 0x00002000
#define ICTL_RRBE 0x00001000
#define ICTL_TPROT 0x00000200
uint32_t ictl; /* 0x0048 */
#define ECA_CEI 0x80000000
#define ECA_IB 0x40000000
#define ECA_SIGPI 0x10000000
#define ECA_MVPGI 0x01000000
#define ECA_AIV 0x00200000
#define ECA_VX 0x00020000
#define ECA_PROTEXCI 0x00002000
#define ECA_APIE 0x00000008
#define ECA_SII 0x00000001
uint32_t eca; /* 0x004c */
#define ICPT_INST 0x04
#define ICPT_PROGI 0x08
#define ICPT_INSTPROGI 0x0C
#define ICPT_EXTREQ 0x10
#define ICPT_EXTINT 0x14
#define ICPT_IOREQ 0x18
#define ICPT_WAIT 0x1c
#define ICPT_VALIDITY 0x20
#define ICPT_STOP 0x28
#define ICPT_OPEREXC 0x2C
#define ICPT_PARTEXEC 0x38
#define ICPT_IOINST 0x40
#define ICPT_KSS 0x5c
#define ICPT_INT_ENABLE 0x64
#define ICPT_PV_INSTR 0x68
#define ICPT_PV_NOTIFY 0x6c
#define ICPT_PV_PREF 0x70
uint8_t icptcode; /* 0x0050 */
uint8_t icptstatus; /* 0x0051 */
uint16_t ihcpu; /* 0x0052 */
uint8_t reserved54; /* 0x0054 */
#define IICTL_CODE_NONE 0x00
#define IICTL_CODE_MCHK 0x01
#define IICTL_CODE_EXT 0x02
#define IICTL_CODE_IO 0x03
#define IICTL_CODE_RESTART 0x04
#define IICTL_CODE_SPECIFICATION 0x10
#define IICTL_CODE_OPERAND 0x11
uint8_t iictl; /* 0x0055 */
uint16_t ipa; /* 0x0056 */
uint32_t ipb; /* 0x0058 */
uint32_t scaoh; /* 0x005c */
#define FPF_BPBC 0x20
uint8_t fpf; /* 0x0060 */
#define ECB_GS 0x40
#define ECB_TE 0x10
#define ECB_SPECI 0x08
#define ECB_SRSI 0x04
#define ECB_HOSTPROTINT 0x02
uint8_t ecb; /* 0x0061 */
#define ECB2_CMMA 0x80
#define ECB2_IEP 0x20
#define ECB2_PFMFI 0x08
#define ECB2_ESCA 0x04
uint8_t ecb2; /* 0x0062 */
#define ECB3_DEA 0x08
#define ECB3_AES 0x04
#define ECB3_RI 0x01
uint8_t ecb3; /* 0x0063 */
uint32_t scaol; /* 0x0064 */
uint8_t sdf; /* 0x0068 */
uint8_t epdx; /* 0x0069 */
uint8_t reserved6a[2]; /* 0x006a */
uint32_t todpr; /* 0x006c */
#define GISA_FORMAT1 0x00000001
uint32_t gd; /* 0x0070 */
uint8_t reserved74[12]; /* 0x0074 */
uint64_t mso; /* 0x0080 */
uint64_t msl; /* 0x0088 */
struct psw gpsw; /* 0x0090 */
uint64_t gg14; /* 0x00a0 */
uint64_t gg15; /* 0x00a8 */
uint8_t reservedb0[8]; /* 0x00b0 */
#define HPID_KVM 0x4
#define HPID_VSIE 0x5
uint8_t hpid; /* 0x00b8 */
uint8_t reservedb9[7]; /* 0x00b9 */
union {
struct {
uint32_t eiparams; /* 0x00c0 */
uint16_t extcpuaddr; /* 0x00c4 */
uint16_t eic; /* 0x00c6 */
};
uint64_t mcic; /* 0x00c0 */
} __attribute__ ((__packed__));
uint32_t reservedc8; /* 0x00c8 */
uint16_t pgmilc; /* 0x00cc */
uint16_t iprcc; /* 0x00ce */
uint32_t dxc; /* 0x00d0 */
uint16_t mcn; /* 0x00d4 */
uint8_t perc; /* 0x00d6 */
uint8_t peratmid; /* 0x00d7 */
uint64_t peraddr; /* 0x00d8 */
uint8_t eai; /* 0x00e0 */
uint8_t peraid; /* 0x00e1 */
uint8_t oai; /* 0x00e2 */
uint8_t armid; /* 0x00e3 */
uint8_t reservede4[4]; /* 0x00e4 */
uint64_t tecmc; /* 0x00e8 */
uint8_t reservedf0[12]; /* 0x00f0 */
#define CRYCB_FORMAT_MASK 0x00000003
#define CRYCB_FORMAT0 0x00000000
#define CRYCB_FORMAT1 0x00000001
#define CRYCB_FORMAT2 0x00000003
uint32_t crycbd; /* 0x00fc */
uint64_t gcr[16]; /* 0x0100 */
union {
uint64_t gbea; /* 0x0180 */
uint64_t sidad;
};
uint8_t reserved188[8]; /* 0x0188 */
uint64_t sdnxo; /* 0x0190 */
uint8_t reserved198[8]; /* 0x0198 */
uint32_t fac; /* 0x01a0 */
uint8_t reserved1a4[20]; /* 0x01a4 */
uint64_t cbrlo; /* 0x01b8 */
uint8_t reserved1c0[8]; /* 0x01c0 */
#define ECD_HOSTREGMGMT 0x20000000
#define ECD_MEF 0x08000000
#define ECD_ETOKENF 0x02000000
#define ECD_ECC 0x00200000
uint32_t ecd; /* 0x01c8 */
uint8_t reserved1cc[18]; /* 0x01cc */
uint64_t pp; /* 0x01de */
uint8_t reserved1e6[2]; /* 0x01e6 */
uint64_t itdba; /* 0x01e8 */
uint64_t riccbd; /* 0x01f0 */
uint64_t gvrd; /* 0x01f8 */
uint64_t reserved200[48]; /* 0x0200 */
uint64_t pv_grregs[16]; /* 0x0380 */
} __attribute__((packed));
union esca_sigp_ctrl {
uint16_t value;
struct {
uint8_t c : 1;
uint8_t reserved: 7;
uint8_t scn;
};
};
struct esca_entry {
union esca_sigp_ctrl sigp_ctrl;
uint16_t reserved1[3];
uint64_t sda;
uint64_t reserved2[6];
};
union ipte_control {
unsigned long val;
struct {
unsigned long k : 1;
unsigned long kh : 31;
unsigned long kg : 32;
};
};
struct esca_block {
union ipte_control ipte_control;
uint64_t reserved1[7];
uint64_t mcn[4];
uint64_t reserved2[20];
struct esca_entry cpu[256];
};
struct vm_uv {
uint64_t vm_handle;
uint64_t vcpu_handle;
uint64_t asce;
void *conf_base_stor;
void *conf_var_stor;
void *cpu_stor;
};
struct vm_save_regs {
uint64_t asce;
uint64_t grs[16];
uint64_t fprs[16];
uint32_t fpc;
};
/* We might be able to nestle all of this into the stack frame. But
* having a dedicated save area that saves more than the s390 ELF ABI
* defines leaves us more freedom in the implementation.
*/
struct vm_save_area {
struct vm_save_regs guest;
struct vm_save_regs host;
};
struct vm {
struct kvm_s390_sie_block *sblk;
struct vm_save_area save_area;
struct esca_block *sca; /* System Control Area */
uint8_t *crycb; /* Crypto Control Block */
struct vm_uv uv; /* PV UV information */
/* Ptr to first guest page */
uint8_t *guest_mem;
bool validity_expected;
};
extern void sie_entry(void);
extern void sie_exit(void);
extern void sie_entry_gregs(void);
extern void sie_exit_gregs(void);
extern void sie64a(struct kvm_s390_sie_block *sblk, struct vm_save_area *save_area);
void sie(struct vm *vm);
void sie_expect_validity(struct vm *vm);
uint16_t sie_get_validity(struct vm *vm);
void sie_check_validity(struct vm *vm, uint16_t vir_exp);
void sie_handle_validity(struct vm *vm);
void sie_guest_sca_create(struct vm *vm);
void sie_guest_create(struct vm *vm, uint64_t guest_mem, uint64_t guest_mem_len);
void sie_guest_destroy(struct vm *vm);
uint8_t *sie_guest_alloc(uint64_t guest_size);
#endif /* _S390X_SIE_H_ */