diff options
Diffstat (limited to 'arch/s390/include/asm/kvm_host.h')
| -rw-r--r-- | arch/s390/include/asm/kvm_host.h | 57 |
1 files changed, 50 insertions, 7 deletions
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index efaac2c3bb77..6742414dbd6f 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -25,7 +25,9 @@ #include <asm/fpu/api.h> #include <asm/isc.h> -#define KVM_MAX_VCPUS 64 +#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 /* @@ -37,12 +39,41 @@ #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 -struct sca_entry { +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; - __u8 sigp_ctrl; + union bsca_sigp_ctrl sigp_ctrl; __u16 reserved[3]; __u64 sda; __u64 reserved2[2]; @@ -57,14 +88,22 @@ union ipte_control { }; }; -struct sca_block { +struct bsca_block { union ipte_control ipte_control; __u64 reserved[5]; __u64 mcn; __u64 reserved2; - struct sca_entry cpu[64]; + 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 @@ -182,7 +221,8 @@ struct kvm_s390_sie_block { __u64 pp; /* 0x01de */ __u8 reserved1e6[2]; /* 0x01e6 */ __u64 itdba; /* 0x01e8 */ - __u8 reserved1f0[16]; /* 0x01f0 */ + __u64 riccbd; /* 0x01f0 */ + __u8 reserved1f8[8]; /* 0x01f8 */ } __attribute__((packed)); struct kvm_s390_itdb { @@ -585,11 +625,14 @@ struct kvm_s390_crypto_cb { }; struct kvm_arch{ - struct sca_block *sca; + 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; |