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| author | Tejun Heo <tj@kernel.org> | 2015-11-04 01:29:03 +0300 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2015-11-04 01:29:03 +0300 |
| commit | 159b5bb46492e4dcef2070b12861030bc360402b (patch) | |
| tree | 93de7d6e94a059aade50ee5437de6a50ccd1cf7b /arch/powerpc/include/asm/kvm_book3s_asm.h | |
| parent | 56e74338a535cbcc2f2da08b1ea1a92920194364 (diff) | |
| parent | 469eabb3aec03d9defed3462df743a223a5c8f54 (diff) | |
| download | linux-159b5bb46492e4dcef2070b12861030bc360402b.tar.xz | |
Merge branch 'for-4.3-fixes' into for-4.4
Diffstat (limited to 'arch/powerpc/include/asm/kvm_book3s_asm.h')
| -rw-r--r-- | arch/powerpc/include/asm/kvm_book3s_asm.h | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/kvm_book3s_asm.h b/arch/powerpc/include/asm/kvm_book3s_asm.h index 5bdfb5dd3400..72b6225aca73 100644 --- a/arch/powerpc/include/asm/kvm_book3s_asm.h +++ b/arch/powerpc/include/asm/kvm_book3s_asm.h @@ -25,6 +25,12 @@ #define XICS_MFRR 0xc #define XICS_IPI 2 /* interrupt source # for IPIs */ +/* Maximum number of threads per physical core */ +#define MAX_SMT_THREADS 8 + +/* Maximum number of subcores per physical core */ +#define MAX_SUBCORES 4 + #ifdef __ASSEMBLY__ #ifdef CONFIG_KVM_BOOK3S_HANDLER @@ -65,6 +71,19 @@ kvmppc_resume_\intno: #else /*__ASSEMBLY__ */ +struct kvmppc_vcore; + +/* Struct used for coordinating micro-threading (split-core) mode changes */ +struct kvm_split_mode { + unsigned long rpr; + unsigned long pmmar; + unsigned long ldbar; + u8 subcore_size; + u8 do_nap; + u8 napped[MAX_SMT_THREADS]; + struct kvmppc_vcore *master_vcs[MAX_SUBCORES]; +}; + /* * This struct goes in the PACA on 64-bit processors. It is used * to store host state that needs to be saved when we enter a guest @@ -100,6 +119,7 @@ struct kvmppc_host_state { u64 host_spurr; u64 host_dscr; u64 dec_expires; + struct kvm_split_mode *kvm_split_mode; #endif #ifdef CONFIG_PPC_BOOK3S_64 u64 cfar; @@ -112,7 +132,7 @@ struct kvmppc_book3s_shadow_vcpu { bool in_use; ulong gpr[14]; u32 cr; - u32 xer; + ulong xer; ulong ctr; ulong lr; ulong pc; |