diff options
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/kvm_book3s.h | 5 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/kvm_book3s_64.h | 26 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/kvm_host.h | 5 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/mmu-hash64.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/ppc-opcode.h | 4 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/reg.h | 1 |
6 files changed, 41 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h index c700f43ba178..3a9e51f43397 100644 --- a/arch/powerpc/include/asm/kvm_book3s.h +++ b/arch/powerpc/include/asm/kvm_book3s.h @@ -119,6 +119,11 @@ extern void kvmppc_mmu_book3s_hv_init(struct kvm_vcpu *vcpu); extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte); extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr); extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu); +extern int kvmppc_book3s_hv_page_fault(struct kvm_run *run, + struct kvm_vcpu *vcpu, unsigned long addr, + unsigned long status); +extern long kvmppc_hv_find_lock_hpte(struct kvm *kvm, gva_t eaddr, + unsigned long slb_v, unsigned long valid); extern void kvmppc_mmu_hpte_cache_map(struct kvm_vcpu *vcpu, struct hpte_cache *pte); extern struct hpte_cache *kvmppc_mmu_hpte_cache_next(struct kvm_vcpu *vcpu); diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h index 9508c03e6671..79dc37fb86b5 100644 --- a/arch/powerpc/include/asm/kvm_book3s_64.h +++ b/arch/powerpc/include/asm/kvm_book3s_64.h @@ -43,12 +43,15 @@ static inline void svcpu_put(struct kvmppc_book3s_shadow_vcpu *svcpu) #define HPT_HASH_MASK (HPT_NPTEG - 1) #endif +#define VRMA_VSID 0x1ffffffUL /* 1TB VSID reserved for VRMA */ + /* * We use a lock bit in HPTE dword 0 to synchronize updates and * accesses to each HPTE, and another bit to indicate non-present * HPTEs. */ #define HPTE_V_HVLOCK 0x40UL +#define HPTE_V_ABSENT 0x20UL static inline long try_lock_hpte(unsigned long *hpte, unsigned long bits) { @@ -144,6 +147,29 @@ static inline unsigned long hpte_cache_bits(unsigned long pte_val) #endif } +static inline bool hpte_read_permission(unsigned long pp, unsigned long key) +{ + if (key) + return PP_RWRX <= pp && pp <= PP_RXRX; + return 1; +} + +static inline bool hpte_write_permission(unsigned long pp, unsigned long key) +{ + if (key) + return pp == PP_RWRW; + return pp <= PP_RWRW; +} + +static inline int hpte_get_skey_perm(unsigned long hpte_r, unsigned long amr) +{ + unsigned long skey; + + skey = ((hpte_r & HPTE_R_KEY_HI) >> 57) | + ((hpte_r & HPTE_R_KEY_LO) >> 9); + return (amr >> (62 - 2 * skey)) & 3; +} + static inline void lock_rmap(unsigned long *rmap) { do { diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index 97cb2d7865f3..937cacaaf236 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -210,6 +210,7 @@ struct kvm_arch { unsigned long lpcr; unsigned long rmor; struct kvmppc_rma_info *rma; + unsigned long vrma_slb_v; int rma_setup_done; struct list_head spapr_tce_tables; spinlock_t slot_phys_lock; @@ -452,6 +453,10 @@ struct kvm_vcpu_arch { #ifdef CONFIG_KVM_BOOK3S_64_HV struct kvm_vcpu_arch_shared shregs; + unsigned long pgfault_addr; + long pgfault_index; + unsigned long pgfault_hpte[2]; + struct list_head run_list; struct task_struct *run_task; struct kvm_run *kvm_run; diff --git a/arch/powerpc/include/asm/mmu-hash64.h b/arch/powerpc/include/asm/mmu-hash64.h index 412ba493cb98..0759dd8bf5aa 100644 --- a/arch/powerpc/include/asm/mmu-hash64.h +++ b/arch/powerpc/include/asm/mmu-hash64.h @@ -108,11 +108,11 @@ extern char initial_stab[]; #define HPTE_V_VRMA_MASK ASM_CONST(0x4001ffffff000000) /* Values for PP (assumes Ks=0, Kp=1) */ -/* pp0 will always be 0 for linux */ #define PP_RWXX 0 /* Supervisor read/write, User none */ #define PP_RWRX 1 /* Supervisor read/write, User read */ #define PP_RWRW 2 /* Supervisor read/write, User read/write */ #define PP_RXRX 3 /* Supervisor read, User read */ +#define PP_RXXX (HPTE_R_PP0 | 2) /* Supervisor read, user none */ #ifndef __ASSEMBLY__ diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index e980faae4225..d81f99430fe7 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -45,6 +45,7 @@ #define PPC_INST_MFSPR_DSCR_MASK 0xfc1fffff #define PPC_INST_MTSPR_DSCR 0x7c1103a6 #define PPC_INST_MTSPR_DSCR_MASK 0xfc1fffff +#define PPC_INST_SLBFEE 0x7c0007a7 #define PPC_INST_STRING 0x7c00042a #define PPC_INST_STRING_MASK 0xfc0007fe @@ -183,7 +184,8 @@ __PPC_RS(t) | __PPC_RA(a) | __PPC_RB(b)) #define PPC_ERATSX_DOT(t, a, w) stringify_in_c(.long PPC_INST_ERATSX_DOT | \ __PPC_RS(t) | __PPC_RA(a) | __PPC_RB(b)) - +#define PPC_SLBFEE_DOT(t, b) stringify_in_c(.long PPC_INST_SLBFEE | \ + __PPC_RT(t) | __PPC_RB(b)) /* * Define what the VSX XX1 form instructions will look like, then add diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index 64447f6c049a..16efb3151c20 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -216,6 +216,7 @@ #define DSISR_ISSTORE 0x02000000 /* access was a store */ #define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */ #define DSISR_NOSEGMENT 0x00200000 /* STAB/SLB miss */ +#define DSISR_KEYFAULT 0x00200000 /* Key fault */ #define SPRN_TBRL 0x10C /* Time Base Read Lower Register (user, R/O) */ #define SPRN_TBRU 0x10D /* Time Base Read Upper Register (user, R/O) */ #define SPRN_TBWL 0x11C /* Time Base Lower Register (super, R/W) */ |