| /* |
| * 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/types.h> |
| #include <linux/hrtimer.h> |
| #include <linux/interrupt.h> |
| #include <linux/kvm_types.h> |
| #include <linux/kvm_host.h> |
| #include <linux/kvm.h> |
| #include <linux/seqlock.h> |
| #include <asm/debug.h> |
| #include <asm/cpu.h> |
| #include <asm/fpu/api.h> |
| #include <asm/isc.h> |
| |
| #define KVM_S390_BSCA_CPU_SLOTS 64 |
| #define KVM_S390_ESCA_CPU_SLOTS 248 |
| #define KVM_MAX_VCPUS KVM_S390_ESCA_CPU_SLOTS |
| #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 KVM_HALT_POLL_NS_DEFAULT 0 |
| |
| /* s390-specific vcpu->requests bit members */ |
| #define KVM_REQ_ENABLE_IBS 8 |
| #define KVM_REQ_DISABLE_IBS 9 |
| |
| #define SIGP_CTRL_C 0x80 |
| #define SIGP_CTRL_SCN_MASK 0x3f |
| |
| union bsca_sigp_ctrl { |
| __u8 value; |
| struct { |
| __u8 c : 1; |
| __u8 r : 1; |
| __u8 scn : 6; |
| }; |
| } __packed; |
| |
| union esca_sigp_ctrl { |
| __u16 value; |
| struct { |
| __u8 c : 1; |
| __u8 reserved: 7; |
| __u8 scn; |
| }; |
| } __packed; |
| |
| struct esca_entry { |
| union esca_sigp_ctrl sigp_ctrl; |
| __u16 reserved1[3]; |
| __u64 sda; |
| __u64 reserved2[6]; |
| } __packed; |
| |
| struct bsca_entry { |
| __u8 reserved0; |
| union bsca_sigp_ctrl sigp_ctrl; |
| __u16 reserved[3]; |
| __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 bsca_block { |
| union ipte_control ipte_control; |
| __u64 reserved[5]; |
| __u64 mcn; |
| __u64 reserved2; |
| struct bsca_entry cpu[KVM_S390_BSCA_CPU_SLOTS]; |
| } __attribute__((packed)); |
| |
| struct esca_block { |
| union ipte_control ipte_control; |
| __u64 reserved1[7]; |
| __u64 mcn[4]; |
| __u64 reserved2[20]; |
| struct esca_entry cpu[KVM_S390_ESCA_CPU_SLOTS]; |
| } __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_GED2 0x00000010 |
| #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 : 1; |
| __u32 ibc : 12; |
| __u8 reserved08[4]; /* 0x0008 */ |
| #define PROG_IN_SIE (1<<0) |
| __u32 prog0c; /* 0x000c */ |
| __u8 reserved10[16]; /* 0x0010 */ |
| #define PROG_BLOCK_SIE (1<<0) |
| #define PROG_REQUEST (1<<1) |
| 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 |
| #define ICTL_TPROT 0x00000200 |
| __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 icptstatus; /* 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 */ |
| #define ECB3_AES 0x04 |
| #define ECB3_DEA 0x08 |
| __u8 ecb3; /* 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[12]; /* 0x00f0 */ |
| #define CRYCB_FORMAT1 0x00000001 |
| #define CRYCB_FORMAT2 0x00000003 |
| __u32 crycbd; /* 0x00fc */ |
| __u64 gcr[16]; /* 0x0100 */ |
| __u64 gbea; /* 0x0180 */ |
| __u8 reserved188[24]; /* 0x0188 */ |
| __u32 fac; /* 0x01a0 */ |
| __u8 reserved1a4[20]; /* 0x01a4 */ |
| __u64 cbrlo; /* 0x01b8 */ |
| __u8 reserved1c0[8]; /* 0x01c0 */ |
| __u32 ecd; /* 0x01c8 */ |
| __u8 reserved1cc[18]; /* 0x01cc */ |
| __u64 pp; /* 0x01de */ |
| __u8 reserved1e6[2]; /* 0x01e6 */ |
| __u64 itdba; /* 0x01e8 */ |
| __u64 riccbd; /* 0x01f0 */ |
| __u8 reserved1f8[8]; /* 0x01f8 */ |
| } __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 halt_successful_poll; |
| u32 halt_attempted_poll; |
| u32 halt_wakeup; |
| 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_cond_emergency; |
| u32 instruction_sigp_start; |
| u32 instruction_sigp_stop; |
| u32 instruction_sigp_stop_store_status; |
| u32 instruction_sigp_store_status; |
| u32 instruction_sigp_store_adtl_status; |
| u32 instruction_sigp_arch; |
| u32 instruction_sigp_prefix; |
| u32 instruction_sigp_restart; |
| u32 instruction_sigp_init_cpu_reset; |
| u32 instruction_sigp_cpu_reset; |
| u32 instruction_sigp_unknown; |
| u32 diagnose_10; |
| u32 diagnose_44; |
| u32 diagnose_9c; |
| u32 diagnose_258; |
| u32 diagnose_308; |
| u32 diagnose_500; |
| }; |
| |
| #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_VECTOR_PROCESSING 0x1b |
| #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 |
| |
| /* irq types in order of priority */ |
| enum irq_types { |
| IRQ_PEND_MCHK_EX = 0, |
| IRQ_PEND_SVC, |
| IRQ_PEND_PROG, |
| IRQ_PEND_MCHK_REP, |
| IRQ_PEND_EXT_IRQ_KEY, |
| IRQ_PEND_EXT_MALFUNC, |
| IRQ_PEND_EXT_EMERGENCY, |
| IRQ_PEND_EXT_EXTERNAL, |
| IRQ_PEND_EXT_CLOCK_COMP, |
| IRQ_PEND_EXT_CPU_TIMER, |
| IRQ_PEND_EXT_TIMING, |
| IRQ_PEND_EXT_SERVICE, |
| IRQ_PEND_EXT_HOST, |
| IRQ_PEND_PFAULT_INIT, |
| IRQ_PEND_PFAULT_DONE, |
| IRQ_PEND_VIRTIO, |
| IRQ_PEND_IO_ISC_0, |
| IRQ_PEND_IO_ISC_1, |
| IRQ_PEND_IO_ISC_2, |
| IRQ_PEND_IO_ISC_3, |
| IRQ_PEND_IO_ISC_4, |
| IRQ_PEND_IO_ISC_5, |
| IRQ_PEND_IO_ISC_6, |
| IRQ_PEND_IO_ISC_7, |
| IRQ_PEND_SIGP_STOP, |
| IRQ_PEND_RESTART, |
| IRQ_PEND_SET_PREFIX, |
| IRQ_PEND_COUNT |
| }; |
| |
| /* We have 2M for virtio device descriptor pages. Smallest amount of |
| * memory per page is 24 bytes (1 queue), so (2048*1024) / 24 = 87381 |
| */ |
| #define KVM_S390_MAX_VIRTIO_IRQS 87381 |
| |
| /* |
| * Repressible (non-floating) machine check interrupts |
| * subclass bits in MCIC |
| */ |
| #define MCHK_EXTD_BIT 58 |
| #define MCHK_DEGR_BIT 56 |
| #define MCHK_WARN_BIT 55 |
| #define MCHK_REP_MASK ((1UL << MCHK_DEGR_BIT) | \ |
| (1UL << MCHK_EXTD_BIT) | \ |
| (1UL << MCHK_WARN_BIT)) |
| |
| /* Exigent machine check interrupts subclass bits in MCIC */ |
| #define MCHK_SD_BIT 63 |
| #define MCHK_PD_BIT 62 |
| #define MCHK_EX_MASK ((1UL << MCHK_SD_BIT) | (1UL << MCHK_PD_BIT)) |
| |
| #define IRQ_PEND_EXT_MASK ((1UL << IRQ_PEND_EXT_IRQ_KEY) | \ |
| (1UL << IRQ_PEND_EXT_CLOCK_COMP) | \ |
| (1UL << IRQ_PEND_EXT_CPU_TIMER) | \ |
| (1UL << IRQ_PEND_EXT_MALFUNC) | \ |
| (1UL << IRQ_PEND_EXT_EMERGENCY) | \ |
| (1UL << IRQ_PEND_EXT_EXTERNAL) | \ |
| (1UL << IRQ_PEND_EXT_TIMING) | \ |
| (1UL << IRQ_PEND_EXT_HOST) | \ |
| (1UL << IRQ_PEND_EXT_SERVICE) | \ |
| (1UL << IRQ_PEND_VIRTIO) | \ |
| (1UL << IRQ_PEND_PFAULT_INIT) | \ |
| (1UL << IRQ_PEND_PFAULT_DONE)) |
| |
| #define IRQ_PEND_IO_MASK ((1UL << IRQ_PEND_IO_ISC_0) | \ |
| (1UL << IRQ_PEND_IO_ISC_1) | \ |
| (1UL << IRQ_PEND_IO_ISC_2) | \ |
| (1UL << IRQ_PEND_IO_ISC_3) | \ |
| (1UL << IRQ_PEND_IO_ISC_4) | \ |
| (1UL << IRQ_PEND_IO_ISC_5) | \ |
| (1UL << IRQ_PEND_IO_ISC_6) | \ |
| (1UL << IRQ_PEND_IO_ISC_7)) |
| |
| #define IRQ_PEND_MCHK_MASK ((1UL << IRQ_PEND_MCHK_REP) | \ |
| (1UL << IRQ_PEND_MCHK_EX)) |
| |
| 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_stop_info stop; |
| struct kvm_s390_mchk_info mchk; |
| }; |
| }; |
| |
| struct kvm_s390_irq_payload { |
| 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_stop_info stop; |
| struct kvm_s390_mchk_info mchk; |
| }; |
| |
| struct kvm_s390_local_interrupt { |
| spinlock_t lock; |
| struct kvm_s390_float_interrupt *float_int; |
| struct swait_queue_head *wq; |
| atomic_t *cpuflags; |
| DECLARE_BITMAP(sigp_emerg_pending, KVM_MAX_VCPUS); |
| struct kvm_s390_irq_payload irq; |
| unsigned long pending_irqs; |
| }; |
| |
| #define FIRQ_LIST_IO_ISC_0 0 |
| #define FIRQ_LIST_IO_ISC_1 1 |
| #define FIRQ_LIST_IO_ISC_2 2 |
| #define FIRQ_LIST_IO_ISC_3 3 |
| #define FIRQ_LIST_IO_ISC_4 4 |
| #define FIRQ_LIST_IO_ISC_5 5 |
| #define FIRQ_LIST_IO_ISC_6 6 |
| #define FIRQ_LIST_IO_ISC_7 7 |
| #define FIRQ_LIST_PFAULT 8 |
| #define FIRQ_LIST_VIRTIO 9 |
| #define FIRQ_LIST_COUNT 10 |
| #define FIRQ_CNTR_IO 0 |
| #define FIRQ_CNTR_SERVICE 1 |
| #define FIRQ_CNTR_VIRTIO 2 |
| #define FIRQ_CNTR_PFAULT 3 |
| #define FIRQ_MAX_COUNT 4 |
| |
| struct kvm_s390_float_interrupt { |
| unsigned long pending_irqs; |
| spinlock_t lock; |
| struct list_head lists[FIRQ_LIST_COUNT]; |
| int counters[FIRQ_MAX_COUNT]; |
| struct kvm_s390_mchk_info mchk; |
| struct kvm_s390_ext_info srv_signal; |
| int next_rr_cpu; |
| unsigned long idle_mask[BITS_TO_LONGS(KVM_MAX_VCPUS)]; |
| }; |
| |
| 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; |
| unsigned int host_acrs[NUM_ACRS]; |
| struct fpu host_fpregs; |
| struct kvm_s390_local_interrupt local_int; |
| struct hrtimer ckc_timer; |
| struct kvm_s390_pgm_info pgm; |
| union { |
| struct cpuid cpu_id; |
| u64 stidp_data; |
| }; |
| struct gmap *gmap; |
| struct kvm_guestdbg_info_arch guestdbg; |
| unsigned long pfault_token; |
| unsigned long pfault_select; |
| unsigned long pfault_compare; |
| bool cputm_enabled; |
| /* |
| * The seqcount protects updates to cputm_start and sie_block.cputm, |
| * this way we can have non-blocking reads with consistent values. |
| * Only the owning VCPU thread (vcpu->cpu) is allowed to change these |
| * values and to start/stop/enable/disable cpu timer accounting. |
| */ |
| seqcount_t cputm_seqcount; |
| __u64 cputm_start; |
| }; |
| |
| 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 |
| |
| /* maximum size of facilities and facility mask is 2k bytes */ |
| #define S390_ARCH_FAC_LIST_SIZE_BYTE (1<<11) |
| #define S390_ARCH_FAC_LIST_SIZE_U64 \ |
| (S390_ARCH_FAC_LIST_SIZE_BYTE / sizeof(u64)) |
| #define S390_ARCH_FAC_MASK_SIZE_BYTE S390_ARCH_FAC_LIST_SIZE_BYTE |
| #define S390_ARCH_FAC_MASK_SIZE_U64 \ |
| (S390_ARCH_FAC_MASK_SIZE_BYTE / sizeof(u64)) |
| |
| struct kvm_s390_cpu_model { |
| /* facility mask supported by kvm & hosting machine */ |
| __u64 fac_mask[S390_ARCH_FAC_LIST_SIZE_U64]; |
| /* facility list requested by guest (in dma page) */ |
| __u64 *fac_list; |
| struct cpuid cpu_id; |
| unsigned short ibc; |
| }; |
| |
| struct kvm_s390_crypto { |
| struct kvm_s390_crypto_cb *crycb; |
| __u32 crycbd; |
| __u8 aes_kw; |
| __u8 dea_kw; |
| }; |
| |
| struct kvm_s390_crypto_cb { |
| __u8 reserved00[72]; /* 0x0000 */ |
| __u8 dea_wrapping_key_mask[24]; /* 0x0048 */ |
| __u8 aes_wrapping_key_mask[32]; /* 0x0060 */ |
| __u8 reserved80[128]; /* 0x0080 */ |
| }; |
| |
| /* |
| * sie_page2 has to be allocated as DMA because fac_list and crycb need |
| * 31bit addresses in the sie control block. |
| */ |
| struct sie_page2 { |
| __u64 fac_list[S390_ARCH_FAC_LIST_SIZE_U64]; /* 0x0000 */ |
| struct kvm_s390_crypto_cb crycb; /* 0x0800 */ |
| u8 reserved900[0x1000 - 0x900]; /* 0x0900 */ |
| } __packed; |
| |
| struct kvm_arch{ |
| void *sca; |
| int use_esca; |
| rwlock_t sca_lock; |
| debug_info_t *dbf; |
| struct kvm_s390_float_interrupt float_int; |
| struct kvm_device *flic; |
| struct gmap *gmap; |
| unsigned long mem_limit; |
| int css_support; |
| int use_irqchip; |
| int use_cmma; |
| int user_cpu_state_ctrl; |
| int user_sigp; |
| int user_stsi; |
| struct s390_io_adapter *adapters[MAX_S390_IO_ADAPTERS]; |
| wait_queue_head_t ipte_wq; |
| int ipte_lock_count; |
| struct mutex ipte_mutex; |
| spinlock_t start_stop_lock; |
| struct sie_page2 *sie_page2; |
| struct kvm_s390_cpu_model model; |
| struct kvm_s390_crypto crypto; |
| u64 epoch; |
| }; |
| |
| #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_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; |
| |
| static inline void kvm_arch_hardware_disable(void) {} |
| static inline void kvm_arch_check_processor_compat(void *rtn) {} |
| static inline void kvm_arch_sync_events(struct kvm *kvm) {} |
| static inline void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu) {} |
| static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} |
| static inline void kvm_arch_free_memslot(struct kvm *kvm, |
| struct kvm_memory_slot *free, struct kvm_memory_slot *dont) {} |
| static inline void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) {} |
| static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} |
| static inline void kvm_arch_flush_shadow_memslot(struct kvm *kvm, |
| struct kvm_memory_slot *slot) {} |
| static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} |
| static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} |
| |
| #endif |