diff options
Diffstat (limited to 'arch/powerpc/include/asm/kvm_host.h')
| -rw-r--r-- | arch/powerpc/include/asm/kvm_host.h | 191 |
1 files changed, 160 insertions, 31 deletions
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index 186f150..bf8af5d 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -25,15 +25,23 @@ #include <linux/interrupt.h> #include <linux/types.h> #include <linux/kvm_types.h> +#include <linux/threads.h> +#include <linux/spinlock.h> #include <linux/kvm_para.h> +#include <linux/list.h> +#include <linux/atomic.h> #include <asm/kvm_asm.h> +#include <asm/processor.h> -#define KVM_MAX_VCPUS 1 +#define KVM_MAX_VCPUS NR_CPUS +#define KVM_MAX_VCORES NR_CPUS #define KVM_MEMORY_SLOTS 32 /* memory slots that does not exposed to userspace */ #define KVM_PRIVATE_MEM_SLOTS 4 +#ifdef CONFIG_KVM_MMIO #define KVM_COALESCED_MMIO_PAGE_OFFSET 1 +#endif /* We don't currently support large pages. */ #define KVM_HPAGE_GFN_SHIFT(x) 0 @@ -57,6 +65,10 @@ struct kvm; struct kvm_run; struct kvm_vcpu; +struct lppaca; +struct slb_shadow; +struct dtl; + struct kvm_vm_stat { u32 remote_tlb_flush; }; @@ -133,9 +145,82 @@ struct kvmppc_exit_timing { }; }; +struct kvmppc_pginfo { + unsigned long pfn; + atomic_t refcnt; +}; + +struct kvmppc_spapr_tce_table { + struct list_head list; + struct kvm *kvm; + u64 liobn; + u32 window_size; + struct page *pages[0]; +}; + +struct kvmppc_rma_info { + void *base_virt; + unsigned long base_pfn; + unsigned long npages; + struct list_head list; + atomic_t use_count; +}; + struct kvm_arch { +#ifdef CONFIG_KVM_BOOK3S_64_HV + unsigned long hpt_virt; + unsigned long ram_npages; + unsigned long ram_psize; + unsigned long ram_porder; + struct kvmppc_pginfo *ram_pginfo; + unsigned int lpid; + unsigned int host_lpid; + unsigned long host_lpcr; + unsigned long sdr1; + unsigned long host_sdr1; + int tlbie_lock; + int n_rma_pages; + unsigned long lpcr; + unsigned long rmor; + struct kvmppc_rma_info *rma; + struct list_head spapr_tce_tables; + unsigned short last_vcpu[NR_CPUS]; + struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; +#endif /* CONFIG_KVM_BOOK3S_64_HV */ }; +/* + * Struct for a virtual core. + * Note: entry_exit_count combines an entry count in the bottom 8 bits + * and an exit count in the next 8 bits. This is so that we can + * atomically increment the entry count iff the exit count is 0 + * without taking the lock. + */ +struct kvmppc_vcore { + int n_runnable; + int n_busy; + int num_threads; + int entry_exit_count; + int n_woken; + int nap_count; + int napping_threads; + u16 pcpu; + u8 vcore_state; + u8 in_guest; + struct list_head runnable_threads; + spinlock_t lock; + wait_queue_head_t wq; +}; + +#define VCORE_ENTRY_COUNT(vc) ((vc)->entry_exit_count & 0xff) +#define VCORE_EXIT_COUNT(vc) ((vc)->entry_exit_count >> 8) + +/* Values for vcore_state */ +#define VCORE_INACTIVE 0 +#define VCORE_RUNNING 1 +#define VCORE_EXITING 2 +#define VCORE_SLEEPING 3 + struct kvmppc_pte { ulong eaddr; u64 vpage; @@ -163,30 +248,27 @@ struct kvmppc_mmu { bool (*is_dcbz32)(struct kvm_vcpu *vcpu); }; -struct hpte_cache { - struct hlist_node list_pte; - struct hlist_node list_pte_long; - struct hlist_node list_vpte; - struct hlist_node list_vpte_long; - struct rcu_head rcu_head; - u64 host_va; - u64 pfn; - ulong slot; - struct kvmppc_pte pte; +struct kvmppc_slb { + u64 esid; + u64 vsid; + u64 orige; + u64 origv; + bool valid : 1; + bool Ks : 1; + bool Kp : 1; + bool nx : 1; + bool large : 1; /* PTEs are 16MB */ + bool tb : 1; /* 1TB segment */ + bool class : 1; }; struct kvm_vcpu_arch { ulong host_stack; u32 host_pid; #ifdef CONFIG_PPC_BOOK3S - ulong host_msr; - ulong host_r2; - void *host_retip; - ulong trampoline_lowmem; - ulong trampoline_enter; - ulong highmem_handler; - ulong rmcall; - ulong host_paca_phys; + struct kvmppc_slb slb[64]; + int slb_max; /* 1 + index of last valid entry in slb[] */ + int slb_nr; /* total number of entries in SLB */ struct kvmppc_mmu mmu; #endif @@ -195,13 +277,19 @@ struct kvm_vcpu_arch { u64 fpr[32]; u64 fpscr; +#ifdef CONFIG_SPE + ulong evr[32]; + ulong spefscr; + ulong host_spefscr; + u64 acc; +#endif #ifdef CONFIG_ALTIVEC vector128 vr[32]; vector128 vscr; #endif #ifdef CONFIG_VSX - u64 vsr[32]; + u64 vsr[64]; #endif #ifdef CONFIG_PPC_BOOK3S @@ -209,22 +297,27 @@ struct kvm_vcpu_arch { u32 qpr[32]; #endif -#ifdef CONFIG_BOOKE ulong pc; ulong ctr; ulong lr; ulong xer; u32 cr; -#endif #ifdef CONFIG_PPC_BOOK3S - ulong shadow_msr; ulong hflags; ulong guest_owned_ext; + ulong purr; + ulong spurr; + ulong dscr; + ulong amr; + ulong uamor; + u32 ctrl; + ulong dabr; #endif u32 vrsave; /* also USPRG0 */ u32 mmucr; + ulong shadow_msr; ulong sprg4; ulong sprg5; ulong sprg6; @@ -249,6 +342,7 @@ struct kvm_vcpu_arch { u32 pvr; u32 shadow_pid; + u32 shadow_pid1; u32 pid; u32 swap_pid; @@ -258,6 +352,9 @@ struct kvm_vcpu_arch { u32 dbcr1; u32 dbsr; + u64 mmcr[3]; + u32 pmc[8]; + #ifdef CONFIG_KVM_EXIT_TIMING struct mutex exit_timing_lock; struct kvmppc_exit_timing timing_exit; @@ -272,8 +369,12 @@ struct kvm_vcpu_arch { struct dentry *debugfs_exit_timing; #endif +#ifdef CONFIG_PPC_BOOK3S + ulong fault_dar; + u32 fault_dsisr; +#endif + #ifdef CONFIG_BOOKE - u32 last_inst; ulong fault_dear; ulong fault_esr; ulong queued_dear; @@ -288,25 +389,53 @@ struct kvm_vcpu_arch { u8 dcr_is_write; u8 osi_needed; u8 osi_enabled; + u8 papr_enabled; + u8 sane; + u8 cpu_type; + u8 hcall_needed; u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ struct hrtimer dec_timer; struct tasklet_struct tasklet; u64 dec_jiffies; + u64 dec_expires; unsigned long pending_exceptions; + u16 last_cpu; + u8 ceded; + u8 prodded; + u32 last_inst; + + struct lppaca *vpa; + struct slb_shadow *slb_shadow; + struct dtl *dtl; + struct dtl *dtl_end; + + wait_queue_head_t *wqp; + struct kvmppc_vcore *vcore; + int ret; + int trap; + int state; + int ptid; + bool timer_running; + wait_queue_head_t cpu_run; + struct kvm_vcpu_arch_shared *shared; unsigned long magic_page_pa; /* phys addr to map the magic page to */ unsigned long magic_page_ea; /* effect. addr to map the magic page to */ -#ifdef CONFIG_PPC_BOOK3S - struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE]; - struct hlist_head hpte_hash_pte_long[HPTEG_HASH_NUM_PTE_LONG]; - struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE]; - struct hlist_head hpte_hash_vpte_long[HPTEG_HASH_NUM_VPTE_LONG]; - int hpte_cache_count; - spinlock_t mmu_lock; +#ifdef CONFIG_KVM_BOOK3S_64_HV + struct kvm_vcpu_arch_shared shregs; + + struct list_head run_list; + struct task_struct *run_task; + struct kvm_run *kvm_run; #endif }; +/* Values for vcpu->arch.state */ +#define KVMPPC_VCPU_STOPPED 0 +#define KVMPPC_VCPU_BUSY_IN_HOST 1 +#define KVMPPC_VCPU_RUNNABLE 2 + #endif /* __POWERPC_KVM_HOST_H__ */ |