diff options
Diffstat (limited to 'arch/s390/include/asm/kvm_host.h')
| -rw-r--r-- | arch/s390/include/asm/kvm_host.h | 312 |
1 files changed, 253 insertions, 59 deletions
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index b7841546991..4181d7baabb 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -16,37 +16,48 @@ #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_MEMORY_SLOTS 32 -/* memory slots that does not exposed to userspace */ -#define KVM_PRIVATE_MEM_SLOTS 4 +#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 scn; + 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 { - __u64 ipte_control; + union ipte_control ipte_control; __u64 reserved[5]; __u64 mcn; __u64 reserved2; struct sca_entry cpu[64]; } __attribute__((packed)); -#define KVM_NR_PAGE_SIZES 2 -#define KVM_HPAGE_GFN_SHIFT(x) (((x) - 1) * 8) -#define KVM_HPAGE_SHIFT(x) (PAGE_SHIFT + KVM_HPAGE_GFN_SHIFT(x)) -#define KVM_HPAGE_SIZE(x) (1UL << KVM_HPAGE_SHIFT(x)) -#define KVM_HPAGE_MASK(x) (~(KVM_HPAGE_SIZE(x) - 1)) -#define KVM_PAGES_PER_HPAGE(x) (KVM_HPAGE_SIZE(x) / PAGE_SIZE) - #define CPUSTAT_STOPPED 0x80000000 #define CPUSTAT_WAIT 0x10000000 #define CPUSTAT_ECALL_PEND 0x08000000 @@ -63,23 +74,51 @@ struct sca_block { #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 prefix; /* 0x0004 */ - __u8 reserved8[32]; /* 0x0008 */ + __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 +#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 reserved51; /* 0x0051 */ __u16 ihcpu; /* 0x0052 */ @@ -89,7 +128,8 @@ struct kvm_s390_sie_block { __u32 scaoh; /* 0x005c */ __u8 reserved60; /* 0x0060 */ __u8 ecb; /* 0x0061 */ - __u8 reserved62[2]; /* 0x0062 */ + __u8 ecb2; /* 0x0062 */ + __u8 reserved63[1]; /* 0x0063 */ __u32 scaol; /* 0x0064 */ __u8 reserved68[4]; /* 0x0068 */ __u32 todpr; /* 0x006c */ @@ -97,16 +137,48 @@ struct kvm_s390_sie_block { psw_t gpsw; /* 0x0090 */ __u64 gg14; /* 0x00a0 */ __u64 gg15; /* 0x00a8 */ - __u8 reservedb0[30]; /* 0x00b0 */ - __u16 iprcc; /* 0x00ce */ - __u8 reservedd0[48]; /* 0x00d0 */ + __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[92]; /* 0x01a4 */ + __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; @@ -117,6 +189,8 @@ struct kvm_vcpu_stat { 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; @@ -127,17 +201,21 @@ struct kvm_vcpu_stat { 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; @@ -151,41 +229,58 @@ struct kvm_vcpu_stat { u32 diagnose_9c; }; -struct kvm_s390_io_info { - __u16 subchannel_id; /* 0x0b8 */ - __u16 subchannel_nr; /* 0x0ba */ - __u32 io_int_parm; /* 0x0bc */ - __u32 io_int_word; /* 0x0c0 */ -}; - -struct kvm_s390_ext_info { - __u32 ext_params; - __u64 ext_params2; -}; - -#define PGM_OPERATION 0x01 -#define PGM_PRIVILEGED_OPERATION 0x02 -#define PGM_EXECUTE 0x03 -#define PGM_PROTECTION 0x04 -#define PGM_ADDRESSING 0x05 -#define PGM_SPECIFICATION 0x06 -#define PGM_DATA 0x07 - -struct kvm_s390_pgm_info { - __u16 code; -}; - -struct kvm_s390_prefix_info { - __u32 address; -}; - -struct kvm_s390_extcall_info { - __u16 code; -}; - -struct kvm_s390_emerg_info { - __u16 code; -}; +#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; @@ -197,13 +292,13 @@ struct kvm_s390_interrupt_info { 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) -#define ACTION_RELOADVCPU_ON_STOP (1<<2) struct kvm_s390_local_interrupt { spinlock_t lock; @@ -211,7 +306,7 @@ struct kvm_s390_local_interrupt { atomic_t active; struct kvm_s390_float_interrupt *float_int; int timer_due; /* event indicator for waitqueue below */ - wait_queue_head_t wq; + wait_queue_head_t *wq; atomic_t *cpuflags; unsigned int action_bits; }; @@ -221,11 +316,49 @@ struct kvm_s390_float_interrupt { struct list_head list; atomic_t active; int next_rr_cpu; - unsigned long idle_mask[(KVM_MAX_VCPUS + sizeof(long) - 1) - / sizeof(long)]; - struct kvm_s390_local_interrupt *local_int[KVM_MAX_VCPUS]; + 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; @@ -235,11 +368,17 @@ struct kvm_vcpu_arch { 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 { @@ -249,12 +388,67 @@ struct kvm_vm_stat { 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 |