| /* |
| * definition for kernel virtual machines on s390 |
| * |
| * Copyright IBM Corp. 2008, 2009 |
| * |
| * 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> |
| */ |
| |
| |
| #ifndef ASM_KVM_HOST_H |
| #define ASM_KVM_HOST_H |
| #include <linux/hrtimer.h> |
| #include <linux/interrupt.h> |
| #include <linux/kvm_host.h> |
| #include <linux/kvm.h> |
| #include <asm/debug.h> |
| #include <asm/cpu.h> |
| #include <asm/isc.h> |
| |
| #define KVM_MAX_VCPUS 64 |
| #define KVM_USER_MEM_SLOTS 32 |
| |
| /* |
| * These seem to be used for allocating ->chip in the routing table, |
| * which we don't use. 4096 is an out-of-thin-air value. If we need |
| * to look at ->chip later on, we'll need to revisit this. |
| */ |
| #define KVM_NR_IRQCHIPS 1 |
| #define KVM_IRQCHIP_NUM_PINS 4096 |
| |
| #define SIGP_CTRL_C 0x00800000 |
| |
| struct sca_entry { |
| atomic_t ctrl; |
| __u32 reserved; |
| __u64 sda; |
| __u64 reserved2[2]; |
| } __attribute__((packed)); |
| |
| union ipte_control { |
| unsigned long val; |
| struct { |
| unsigned long k : 1; |
| unsigned long kh : 31; |
| unsigned long kg : 32; |
| }; |
| }; |
| |
| struct sca_block { |
| union ipte_control ipte_control; |
| __u64 reserved[5]; |
| __u64 mcn; |
| __u64 reserved2; |
| struct sca_entry cpu[64]; |
| } __attribute__((packed)); |
| |
| #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_SM 0x00000080 |
| #define CPUSTAT_IBS 0x00000040 |
| #define CPUSTAT_G 0x00000008 |
| #define CPUSTAT_GED 0x00000004 |
| #define CPUSTAT_J 0x00000002 |
| #define CPUSTAT_P 0x00000001 |
| |
| struct kvm_s390_sie_block { |
| atomic_t cpuflags; /* 0x0000 */ |
| __u32 : 1; /* 0x0004 */ |
| __u32 prefix : 18; |
| __u32 : 13; |
| __u8 reserved08[4]; /* 0x0008 */ |
| #define PROG_IN_SIE (1<<0) |
| __u32 prog0c; /* 0x000c */ |
| __u8 reserved10[16]; /* 0x0010 */ |
| #define PROG_BLOCK_SIE 0x00000001 |
| atomic_t prog20; /* 0x0020 */ |
| __u8 reserved24[4]; /* 0x0024 */ |
| __u64 cputm; /* 0x0028 */ |
| __u64 ckc; /* 0x0030 */ |
| __u64 epoch; /* 0x0038 */ |
| __u8 reserved40[4]; /* 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 |
| __u16 lctl; /* 0x0044 */ |
| __s16 icpua; /* 0x0046 */ |
| #define ICTL_PINT 0x20000000 |
| #define ICTL_LPSW 0x00400000 |
| #define ICTL_STCTL 0x00040000 |
| #define ICTL_ISKE 0x00004000 |
| #define ICTL_SSKE 0x00002000 |
| #define ICTL_RRBE 0x00001000 |
| __u32 ictl; /* 0x0048 */ |
| __u32 eca; /* 0x004c */ |
| #define ICPT_INST 0x04 |
| #define ICPT_PROGI 0x08 |
| #define ICPT_INSTPROGI 0x0C |
| #define ICPT_OPEREXC 0x2C |
| #define ICPT_PARTEXEC 0x38 |
| #define ICPT_IOINST 0x40 |
| __u8 icptcode; /* 0x0050 */ |
| __u8 reserved51; /* 0x0051 */ |
| __u16 ihcpu; /* 0x0052 */ |
| __u8 reserved54[2]; /* 0x0054 */ |
| __u16 ipa; /* 0x0056 */ |
| __u32 ipb; /* 0x0058 */ |
| __u32 scaoh; /* 0x005c */ |
| __u8 reserved60; /* 0x0060 */ |
| __u8 ecb; /* 0x0061 */ |
| __u8 ecb2; /* 0x0062 */ |
| __u8 reserved63[1]; /* 0x0063 */ |
| __u32 scaol; /* 0x0064 */ |
| __u8 reserved68[4]; /* 0x0068 */ |
| __u32 todpr; /* 0x006c */ |
| __u8 reserved70[32]; /* 0x0070 */ |
| psw_t gpsw; /* 0x0090 */ |
| __u64 gg14; /* 0x00a0 */ |
| __u64 gg15; /* 0x00a8 */ |
| __u8 reservedb0[20]; /* 0x00b0 */ |
| __u16 extcpuaddr; /* 0x00c4 */ |
| __u16 eic; /* 0x00c6 */ |
| __u32 reservedc8; /* 0x00c8 */ |
| __u16 pgmilc; /* 0x00cc */ |
| __u16 iprcc; /* 0x00ce */ |
| __u32 dxc; /* 0x00d0 */ |
| __u16 mcn; /* 0x00d4 */ |
| __u8 perc; /* 0x00d6 */ |
| __u8 peratmid; /* 0x00d7 */ |
| __u64 peraddr; /* 0x00d8 */ |
| __u8 eai; /* 0x00e0 */ |
| __u8 peraid; /* 0x00e1 */ |
| __u8 oai; /* 0x00e2 */ |
| __u8 armid; /* 0x00e3 */ |
| __u8 reservede4[4]; /* 0x00e4 */ |
| __u64 tecmc; /* 0x00e8 */ |
| __u8 reservedf0[16]; /* 0x00f0 */ |
| __u64 gcr[16]; /* 0x0100 */ |
| __u64 gbea; /* 0x0180 */ |
| __u8 reserved188[24]; /* 0x0188 */ |
| __u32 fac; /* 0x01a0 */ |
| __u8 reserved1a4[20]; /* 0x01a4 */ |
| __u64 cbrlo; /* 0x01b8 */ |
| __u8 reserved1c0[30]; /* 0x01c0 */ |
| __u64 pp; /* 0x01de */ |
| __u8 reserved1e6[2]; /* 0x01e6 */ |
| __u64 itdba; /* 0x01e8 */ |
| __u8 reserved1f0[16]; /* 0x01f0 */ |
| } __attribute__((packed)); |
| |
| struct kvm_s390_itdb { |
| __u8 data[256]; |
| } __packed; |
| |
| struct sie_page { |
| struct kvm_s390_sie_block sie_block; |
| __u8 reserved200[1024]; /* 0x0200 */ |
| struct kvm_s390_itdb itdb; /* 0x0600 */ |
| __u8 reserved700[2304]; /* 0x0700 */ |
| } __packed; |
| |
| struct kvm_vcpu_stat { |
| u32 exit_userspace; |
| u32 exit_null; |
| u32 exit_external_request; |
| u32 exit_external_interrupt; |
| u32 exit_stop_request; |
| u32 exit_validity; |
| u32 exit_instruction; |
| u32 instruction_lctl; |
| u32 instruction_lctlg; |
| u32 instruction_stctl; |
| u32 instruction_stctg; |
| u32 exit_program_interruption; |
| u32 exit_instr_and_program; |
| u32 deliver_external_call; |
| u32 deliver_emergency_signal; |
| u32 deliver_service_signal; |
| u32 deliver_virtio_interrupt; |
| u32 deliver_stop_signal; |
| u32 deliver_prefix_signal; |
| u32 deliver_restart_signal; |
| u32 deliver_program_int; |
| u32 deliver_io_int; |
| u32 exit_wait_state; |
| u32 instruction_pfmf; |
| u32 instruction_stidp; |
| u32 instruction_spx; |
| u32 instruction_stpx; |
| u32 instruction_stap; |
| u32 instruction_storage_key; |
| u32 instruction_ipte_interlock; |
| u32 instruction_stsch; |
| u32 instruction_chsc; |
| u32 instruction_stsi; |
| u32 instruction_stfl; |
| u32 instruction_tprot; |
| u32 instruction_essa; |
| u32 instruction_sigp_sense; |
| u32 instruction_sigp_sense_running; |
| u32 instruction_sigp_external_call; |
| u32 instruction_sigp_emergency; |
| u32 instruction_sigp_stop; |
| u32 instruction_sigp_arch; |
| u32 instruction_sigp_prefix; |
| u32 instruction_sigp_restart; |
| u32 diagnose_10; |
| u32 diagnose_44; |
| u32 diagnose_9c; |
| }; |
| |
| #define PGM_OPERATION 0x01 |
| #define PGM_PRIVILEGED_OP 0x02 |
| #define PGM_EXECUTE 0x03 |
| #define PGM_PROTECTION 0x04 |
| #define PGM_ADDRESSING 0x05 |
| #define PGM_SPECIFICATION 0x06 |
| #define PGM_DATA 0x07 |
| #define PGM_FIXED_POINT_OVERFLOW 0x08 |
| #define PGM_FIXED_POINT_DIVIDE 0x09 |
| #define PGM_DECIMAL_OVERFLOW 0x0a |
| #define PGM_DECIMAL_DIVIDE 0x0b |
| #define PGM_HFP_EXPONENT_OVERFLOW 0x0c |
| #define PGM_HFP_EXPONENT_UNDERFLOW 0x0d |
| #define PGM_HFP_SIGNIFICANCE 0x0e |
| #define PGM_HFP_DIVIDE 0x0f |
| #define PGM_SEGMENT_TRANSLATION 0x10 |
| #define PGM_PAGE_TRANSLATION 0x11 |
| #define PGM_TRANSLATION_SPEC 0x12 |
| #define PGM_SPECIAL_OPERATION 0x13 |
| #define PGM_OPERAND 0x15 |
| #define PGM_TRACE_TABEL 0x16 |
| #define PGM_SPACE_SWITCH 0x1c |
| #define PGM_HFP_SQUARE_ROOT 0x1d |
| #define PGM_PC_TRANSLATION_SPEC 0x1f |
| #define PGM_AFX_TRANSLATION 0x20 |
| #define PGM_ASX_TRANSLATION 0x21 |
| #define PGM_LX_TRANSLATION 0x22 |
| #define PGM_EX_TRANSLATION 0x23 |
| #define PGM_PRIMARY_AUTHORITY 0x24 |
| #define PGM_SECONDARY_AUTHORITY 0x25 |
| #define PGM_LFX_TRANSLATION 0x26 |
| #define PGM_LSX_TRANSLATION 0x27 |
| #define PGM_ALET_SPECIFICATION 0x28 |
| #define PGM_ALEN_TRANSLATION 0x29 |
| #define PGM_ALE_SEQUENCE 0x2a |
| #define PGM_ASTE_VALIDITY 0x2b |
| #define PGM_ASTE_SEQUENCE 0x2c |
| #define PGM_EXTENDED_AUTHORITY 0x2d |
| #define PGM_LSTE_SEQUENCE 0x2e |
| #define PGM_ASTE_INSTANCE 0x2f |
| #define PGM_STACK_FULL 0x30 |
| #define PGM_STACK_EMPTY 0x31 |
| #define PGM_STACK_SPECIFICATION 0x32 |
| #define PGM_STACK_TYPE 0x33 |
| #define PGM_STACK_OPERATION 0x34 |
| #define PGM_ASCE_TYPE 0x38 |
| #define PGM_REGION_FIRST_TRANS 0x39 |
| #define PGM_REGION_SECOND_TRANS 0x3a |
| #define PGM_REGION_THIRD_TRANS 0x3b |
| #define PGM_MONITOR 0x40 |
| #define PGM_PER 0x80 |
| #define PGM_CRYPTO_OPERATION 0x119 |
| |
| struct kvm_s390_interrupt_info { |
| struct list_head list; |
| u64 type; |
| union { |
| struct kvm_s390_io_info io; |
| struct kvm_s390_ext_info ext; |
| struct kvm_s390_pgm_info pgm; |
| struct kvm_s390_emerg_info emerg; |
| struct kvm_s390_extcall_info extcall; |
| struct kvm_s390_prefix_info prefix; |
| struct kvm_s390_mchk_info mchk; |
| }; |
| }; |
| |
| /* for local_interrupt.action_flags */ |
| #define ACTION_STORE_ON_STOP (1<<0) |
| #define ACTION_STOP_ON_STOP (1<<1) |
| |
| struct kvm_s390_local_interrupt { |
| spinlock_t lock; |
| struct list_head list; |
| atomic_t active; |
| struct kvm_s390_float_interrupt *float_int; |
| int timer_due; /* event indicator for waitqueue below */ |
| wait_queue_head_t *wq; |
| atomic_t *cpuflags; |
| unsigned int action_bits; |
| }; |
| |
| struct kvm_s390_float_interrupt { |
| spinlock_t lock; |
| struct list_head list; |
| atomic_t active; |
| int next_rr_cpu; |
| unsigned long idle_mask[BITS_TO_LONGS(KVM_MAX_VCPUS)]; |
| unsigned int irq_count; |
| }; |
| |
| struct kvm_hw_wp_info_arch { |
| unsigned long addr; |
| unsigned long phys_addr; |
| int len; |
| char *old_data; |
| }; |
| |
| struct kvm_hw_bp_info_arch { |
| unsigned long addr; |
| int len; |
| }; |
| |
| /* |
| * Only the upper 16 bits of kvm_guest_debug->control are arch specific. |
| * Further KVM_GUESTDBG flags which an be used from userspace can be found in |
| * arch/s390/include/uapi/asm/kvm.h |
| */ |
| #define KVM_GUESTDBG_EXIT_PENDING 0x10000000 |
| |
| #define guestdbg_enabled(vcpu) \ |
| (vcpu->guest_debug & KVM_GUESTDBG_ENABLE) |
| #define guestdbg_sstep_enabled(vcpu) \ |
| (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) |
| #define guestdbg_hw_bp_enabled(vcpu) \ |
| (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP) |
| #define guestdbg_exit_pending(vcpu) (guestdbg_enabled(vcpu) && \ |
| (vcpu->guest_debug & KVM_GUESTDBG_EXIT_PENDING)) |
| |
| struct kvm_guestdbg_info_arch { |
| unsigned long cr0; |
| unsigned long cr9; |
| unsigned long cr10; |
| unsigned long cr11; |
| struct kvm_hw_bp_info_arch *hw_bp_info; |
| struct kvm_hw_wp_info_arch *hw_wp_info; |
| int nr_hw_bp; |
| int nr_hw_wp; |
| unsigned long last_bp; |
| }; |
| |
| struct kvm_vcpu_arch { |
| struct kvm_s390_sie_block *sie_block; |
| s390_fp_regs host_fpregs; |
| unsigned int host_acrs[NUM_ACRS]; |
| s390_fp_regs guest_fpregs; |
| struct kvm_s390_local_interrupt local_int; |
| struct hrtimer ckc_timer; |
| struct tasklet_struct tasklet; |
| struct kvm_s390_pgm_info pgm; |
| union { |
| struct cpuid cpu_id; |
| u64 stidp_data; |
| }; |
| struct gmap *gmap; |
| struct kvm_guestdbg_info_arch guestdbg; |
| #define KVM_S390_PFAULT_TOKEN_INVALID (-1UL) |
| unsigned long pfault_token; |
| unsigned long pfault_select; |
| unsigned long pfault_compare; |
| }; |
| |
| struct kvm_vm_stat { |
| u32 remote_tlb_flush; |
| }; |
| |
| struct kvm_arch_memory_slot { |
| }; |
| |
| struct s390_map_info { |
| struct list_head list; |
| __u64 guest_addr; |
| __u64 addr; |
| struct page *page; |
| }; |
| |
| struct s390_io_adapter { |
| unsigned int id; |
| int isc; |
| bool maskable; |
| bool masked; |
| bool swap; |
| struct rw_semaphore maps_lock; |
| struct list_head maps; |
| atomic_t nr_maps; |
| }; |
| |
| #define MAX_S390_IO_ADAPTERS ((MAX_ISC + 1) * 8) |
| #define MAX_S390_ADAPTER_MAPS 256 |
| |
| struct kvm_arch{ |
| struct sca_block *sca; |
| debug_info_t *dbf; |
| struct kvm_s390_float_interrupt float_int; |
| struct kvm_device *flic; |
| struct gmap *gmap; |
| int css_support; |
| int use_irqchip; |
| int use_cmma; |
| struct s390_io_adapter *adapters[MAX_S390_IO_ADAPTERS]; |
| wait_queue_head_t ipte_wq; |
| spinlock_t start_stop_lock; |
| }; |
| |
| #define KVM_HVA_ERR_BAD (-1UL) |
| #define KVM_HVA_ERR_RO_BAD (-2UL) |
| |
| static inline bool kvm_is_error_hva(unsigned long addr) |
| { |
| return IS_ERR_VALUE(addr); |
| } |
| |
| #define ASYNC_PF_PER_VCPU 64 |
| struct kvm_vcpu; |
| struct kvm_async_pf; |
| struct kvm_arch_async_pf { |
| unsigned long pfault_token; |
| }; |
| |
| bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu); |
| |
| void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu, |
| struct kvm_async_pf *work); |
| |
| void kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu, |
| struct kvm_async_pf *work); |
| |
| void kvm_arch_async_page_present(struct kvm_vcpu *vcpu, |
| struct kvm_async_pf *work); |
| |
| extern int sie64a(struct kvm_s390_sie_block *, u64 *); |
| extern char sie_exit; |
| #endif |