diff options
Diffstat (limited to 'linux-headers/asm-powerpc')
| -rw-r--r-- | linux-headers/asm-powerpc/kvm.h | 9 | ||||
| -rw-r--r-- | linux-headers/asm-powerpc/kvm_para.h | 41 |
2 files changed, 42 insertions, 8 deletions
diff --git a/linux-headers/asm-powerpc/kvm.h b/linux-headers/asm-powerpc/kvm.h index fb3fddcd87..1f0cb55af5 100644 --- a/linux-headers/asm-powerpc/kvm.h +++ b/linux-headers/asm-powerpc/kvm.h @@ -265,12 +265,9 @@ struct kvm_debug_exit_arch { struct kvm_guest_debug_arch { }; -#define KVM_REG_MASK 0x001f -#define KVM_REG_EXT_MASK 0xffe0 -#define KVM_REG_GPR 0x0000 -#define KVM_REG_FPR 0x0020 -#define KVM_REG_QPR 0x0040 -#define KVM_REG_FQPR 0x0060 +/* definition of registers in kvm_run */ +struct kvm_sync_regs { +}; #define KVM_INTERRUPT_SET -1U #define KVM_INTERRUPT_UNSET -2U diff --git a/linux-headers/asm-powerpc/kvm_para.h b/linux-headers/asm-powerpc/kvm_para.h index ad58c90bf5..c047a84000 100644 --- a/linux-headers/asm-powerpc/kvm_para.h +++ b/linux-headers/asm-powerpc/kvm_para.h @@ -22,6 +22,16 @@ #include <linux/types.h> +/* + * Additions to this struct must only occur at the end, and should be + * accompanied by a KVM_MAGIC_FEAT flag to advertise that they are present + * (albeit not necessarily relevant to the current target hardware platform). + * + * Struct fields are always 32 or 64 bit aligned, depending on them being 32 + * or 64 bit wide respectively. + * + * See Documentation/virtual/kvm/ppc-pv.txt + */ struct kvm_vcpu_arch_shared { __u64 scratch1; __u64 scratch2; @@ -33,11 +43,35 @@ struct kvm_vcpu_arch_shared { __u64 sprg3; __u64 srr0; __u64 srr1; - __u64 dar; + __u64 dar; /* dear on BookE */ __u64 msr; __u32 dsisr; __u32 int_pending; /* Tells the guest if we have an interrupt */ __u32 sr[16]; + __u32 mas0; + __u32 mas1; + __u64 mas7_3; + __u64 mas2; + __u32 mas4; + __u32 mas6; + __u32 esr; + __u32 pir; + + /* + * SPRG4-7 are user-readable, so we can only keep these consistent + * between the shared area and the real registers when there's an + * intervening exit to KVM. This also applies to SPRG3 on some + * chips. + * + * This suffices for access by guest userspace, since in PR-mode + * KVM, an exit must occur when changing the guest's MSR[PR]. + * If the guest kernel writes to SPRG3-7 via the shared area, it + * must also use the shared area for reading while in kernel space. + */ + __u64 sprg4; + __u64 sprg5; + __u64 sprg6; + __u64 sprg7; }; #define KVM_SC_MAGIC_R0 0x4b564d21 /* "KVM!" */ @@ -47,7 +81,10 @@ struct kvm_vcpu_arch_shared { #define KVM_FEATURE_MAGIC_PAGE 1 -#define KVM_MAGIC_FEAT_SR (1 << 0) +#define KVM_MAGIC_FEAT_SR (1 << 0) + +/* MASn, ESR, PIR, and high SPRGs */ +#define KVM_MAGIC_FEAT_MAS0_TO_SPRG7 (1 << 1) #endif /* __POWERPC_KVM_PARA_H__ */ |