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Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/include/asm/kvm_host.h | 873 |
1 files changed, 873 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h new file mode 100644 index 000000000..d67a470e9 --- /dev/null +++ b/arch/powerpc/include/asm/kvm_host.h @@ -0,0 +1,873 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * + * Copyright IBM Corp. 2007 + * + * Authors: Hollis Blanchard <hollisb@us.ibm.com> + */ + +#ifndef __POWERPC_KVM_HOST_H__ +#define __POWERPC_KVM_HOST_H__ + +#include <linux/mutex.h> +#include <linux/hrtimer.h> +#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> +#include <asm/page.h> +#include <asm/cacheflush.h> +#include <asm/hvcall.h> +#include <asm/mce.h> + +#define KVM_MAX_VCPUS NR_CPUS +#define KVM_MAX_VCORES NR_CPUS +#define KVM_USER_MEM_SLOTS 512 + +#include <asm/cputhreads.h> + +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE +#include <asm/kvm_book3s_asm.h> /* for MAX_SMT_THREADS */ +#define KVM_MAX_VCPU_ID (MAX_SMT_THREADS * KVM_MAX_VCORES) +#define KVM_MAX_NESTED_GUESTS KVMPPC_NR_LPIDS + +#else +#define KVM_MAX_VCPU_ID KVM_MAX_VCPUS +#endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ + +#define __KVM_HAVE_ARCH_INTC_INITIALIZED + +#define KVM_HALT_POLL_NS_DEFAULT 10000 /* 10 us */ + +/* These values are internal and can be increased later */ +#define KVM_NR_IRQCHIPS 1 +#define KVM_IRQCHIP_NUM_PINS 256 + +/* PPC-specific vcpu->requests bit members */ +#define KVM_REQ_WATCHDOG KVM_ARCH_REQ(0) +#define KVM_REQ_EPR_EXIT KVM_ARCH_REQ(1) + +#include <linux/mmu_notifier.h> + +#define KVM_ARCH_WANT_MMU_NOTIFIER + +extern int kvm_unmap_hva_range(struct kvm *kvm, + unsigned long start, unsigned long end, + unsigned flags); +extern int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end); +extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); +extern int kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); + +#define HPTEG_CACHE_NUM (1 << 15) +#define HPTEG_HASH_BITS_PTE 13 +#define HPTEG_HASH_BITS_PTE_LONG 12 +#define HPTEG_HASH_BITS_VPTE 13 +#define HPTEG_HASH_BITS_VPTE_LONG 5 +#define HPTEG_HASH_BITS_VPTE_64K 11 +#define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) +#define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) +#define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) +#define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) +#define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K) + +/* Physical Address Mask - allowed range of real mode RAM access */ +#define KVM_PAM 0x0fffffffffffffffULL + +struct lppaca; +struct slb_shadow; +struct dtl_entry; + +struct kvmppc_vcpu_book3s; +struct kvmppc_book3s_shadow_vcpu; +struct kvm_nested_guest; + +struct kvm_vm_stat { + ulong remote_tlb_flush; + ulong num_2M_pages; + ulong num_1G_pages; +}; + +struct kvm_vcpu_stat { + u64 sum_exits; + u64 mmio_exits; + u64 signal_exits; + u64 light_exits; + /* Account for special types of light exits: */ + u64 itlb_real_miss_exits; + u64 itlb_virt_miss_exits; + u64 dtlb_real_miss_exits; + u64 dtlb_virt_miss_exits; + u64 syscall_exits; + u64 isi_exits; + u64 dsi_exits; + u64 emulated_inst_exits; + u64 dec_exits; + u64 ext_intr_exits; + u64 halt_poll_success_ns; + u64 halt_poll_fail_ns; + u64 halt_wait_ns; + u64 halt_successful_poll; + u64 halt_attempted_poll; + u64 halt_successful_wait; + u64 halt_poll_invalid; + u64 halt_wakeup; + u64 dbell_exits; + u64 gdbell_exits; + u64 ld; + u64 st; +#ifdef CONFIG_PPC_BOOK3S + u64 pf_storage; + u64 pf_instruc; + u64 sp_storage; + u64 sp_instruc; + u64 queue_intr; + u64 ld_slow; + u64 st_slow; +#endif + u64 pthru_all; + u64 pthru_host; + u64 pthru_bad_aff; +}; + +enum kvm_exit_types { + MMIO_EXITS, + SIGNAL_EXITS, + ITLB_REAL_MISS_EXITS, + ITLB_VIRT_MISS_EXITS, + DTLB_REAL_MISS_EXITS, + DTLB_VIRT_MISS_EXITS, + SYSCALL_EXITS, + ISI_EXITS, + DSI_EXITS, + EMULATED_INST_EXITS, + EMULATED_MTMSRWE_EXITS, + EMULATED_WRTEE_EXITS, + EMULATED_MTSPR_EXITS, + EMULATED_MFSPR_EXITS, + EMULATED_MTMSR_EXITS, + EMULATED_MFMSR_EXITS, + EMULATED_TLBSX_EXITS, + EMULATED_TLBWE_EXITS, + EMULATED_RFI_EXITS, + EMULATED_RFCI_EXITS, + EMULATED_RFDI_EXITS, + DEC_EXITS, + EXT_INTR_EXITS, + HALT_WAKEUP, + USR_PR_INST, + FP_UNAVAIL, + DEBUG_EXITS, + TIMEINGUEST, + DBELL_EXITS, + GDBELL_EXITS, + __NUMBER_OF_KVM_EXIT_TYPES +}; + +/* allow access to big endian 32bit upper/lower parts and 64bit var */ +struct kvmppc_exit_timing { + union { + u64 tv64; + struct { + u32 tbu, tbl; + } tv32; + }; +}; + +struct kvmppc_pginfo { + unsigned long pfn; + atomic_t refcnt; +}; + +struct kvmppc_spapr_tce_iommu_table { + struct rcu_head rcu; + struct list_head next; + struct iommu_table *tbl; + struct kref kref; +}; + +#define TCES_PER_PAGE (PAGE_SIZE / sizeof(u64)) + +struct kvmppc_spapr_tce_table { + struct list_head list; + struct kvm *kvm; + u64 liobn; + struct rcu_head rcu; + u32 page_shift; + u64 offset; /* in pages */ + u64 size; /* window size in pages */ + struct list_head iommu_tables; + struct mutex alloc_lock; + struct page *pages[0]; +}; + +/* XICS components, defined in book3s_xics.c */ +struct kvmppc_xics; +struct kvmppc_icp; +extern struct kvm_device_ops kvm_xics_ops; + +/* XIVE components, defined in book3s_xive.c */ +struct kvmppc_xive; +struct kvmppc_xive_vcpu; +extern struct kvm_device_ops kvm_xive_ops; +extern struct kvm_device_ops kvm_xive_native_ops; + +struct kvmppc_passthru_irqmap; + +/* + * The reverse mapping array has one entry for each HPTE, + * which stores the guest's view of the second word of the HPTE + * (including the guest physical address of the mapping), + * plus forward and backward pointers in a doubly-linked ring + * of HPTEs that map the same host page. The pointers in this + * ring are 32-bit HPTE indexes, to save space. + */ +struct revmap_entry { + unsigned long guest_rpte; + unsigned int forw, back; +}; + +/* + * The rmap array of size number of guest pages is allocated for each memslot. + * This array is used to store usage specific information about the guest page. + * Below are the encodings of the various possible usage types. + */ +/* Free bits which can be used to define a new usage */ +#define KVMPPC_RMAP_TYPE_MASK 0xff00000000000000 +#define KVMPPC_RMAP_NESTED 0xc000000000000000 /* Nested rmap array */ +#define KVMPPC_RMAP_HPT 0x0100000000000000 /* HPT guest */ + +/* + * rmap usage definition for a hash page table (hpt) guest: + * 0x0000080000000000 Lock bit + * 0x0000018000000000 RC bits + * 0x0000000100000000 Present bit + * 0x00000000ffffffff HPT index bits + * The bottom 32 bits are the index in the guest HPT of a HPTE that points to + * the page. + */ +#define KVMPPC_RMAP_LOCK_BIT 43 +#define KVMPPC_RMAP_RC_SHIFT 32 +#define KVMPPC_RMAP_REFERENCED (HPTE_R_R << KVMPPC_RMAP_RC_SHIFT) +#define KVMPPC_RMAP_PRESENT 0x100000000ul +#define KVMPPC_RMAP_INDEX 0xfffffffful + +struct kvm_arch_memory_slot { +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE + unsigned long *rmap; +#endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ +}; + +struct kvm_hpt_info { + /* Host virtual (linear mapping) address of guest HPT */ + unsigned long virt; + /* Array of reverse mapping entries for each guest HPTE */ + struct revmap_entry *rev; + /* Guest HPT size is 2**(order) bytes */ + u32 order; + /* 1 if HPT allocated with CMA, 0 otherwise */ + int cma; +}; + +struct kvm_resize_hpt; + +/* Flag values for kvm_arch.secure_guest */ +#define KVMPPC_SECURE_INIT_START 0x1 /* H_SVM_INIT_START has been called */ +#define KVMPPC_SECURE_INIT_DONE 0x2 /* H_SVM_INIT_DONE completed */ +#define KVMPPC_SECURE_INIT_ABORT 0x4 /* H_SVM_INIT_ABORT issued */ + +struct kvm_arch { + unsigned int lpid; + unsigned int smt_mode; /* # vcpus per virtual core */ + unsigned int emul_smt_mode; /* emualted SMT mode, on P9 */ +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE + unsigned int tlb_sets; + struct kvm_hpt_info hpt; + atomic64_t mmio_update; + unsigned int host_lpid; + unsigned long host_lpcr; + unsigned long sdr1; + unsigned long host_sdr1; + unsigned long lpcr; + unsigned long vrma_slb_v; + int mmu_ready; + atomic_t vcpus_running; + u32 online_vcores; + atomic_t hpte_mod_interest; + cpumask_t need_tlb_flush; + cpumask_t cpu_in_guest; + u8 radix; + u8 fwnmi_enabled; + u8 secure_guest; + u8 svm_enabled; + bool threads_indep; + bool nested_enable; + pgd_t *pgtable; + u64 process_table; + struct dentry *debugfs_dir; + struct kvm_resize_hpt *resize_hpt; /* protected by kvm->lock */ +#endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ +#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE + struct mutex hpt_mutex; +#endif +#ifdef CONFIG_PPC_BOOK3S_64 + struct list_head spapr_tce_tables; + struct list_head rtas_tokens; + struct mutex rtas_token_lock; + DECLARE_BITMAP(enabled_hcalls, MAX_HCALL_OPCODE/4 + 1); +#endif +#ifdef CONFIG_KVM_MPIC + struct openpic *mpic; +#endif +#ifdef CONFIG_KVM_XICS + struct kvmppc_xics *xics; + struct kvmppc_xics *xics_device; + struct kvmppc_xive *xive; /* Current XIVE device in use */ + struct { + struct kvmppc_xive *native; + struct kvmppc_xive *xics_on_xive; + } xive_devices; + struct kvmppc_passthru_irqmap *pimap; +#endif + struct kvmppc_ops *kvm_ops; +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE + struct mutex uvmem_lock; + struct list_head uvmem_pfns; + struct mutex mmu_setup_lock; /* nests inside vcpu mutexes */ + u64 l1_ptcr; + int max_nested_lpid; + struct kvm_nested_guest *nested_guests[KVM_MAX_NESTED_GUESTS]; + /* This array can grow quite large, keep it at the end */ + struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; +#endif +}; + +#define VCORE_ENTRY_MAP(vc) ((vc)->entry_exit_map & 0xff) +#define VCORE_EXIT_MAP(vc) ((vc)->entry_exit_map >> 8) +#define VCORE_IS_EXITING(vc) (VCORE_EXIT_MAP(vc) != 0) + +/* This bit is used when a vcore exit is triggered from outside the vcore */ +#define VCORE_EXIT_REQ 0x10000 + +/* + * Values for vcore_state. + * Note that these are arranged such that lower values + * (< VCORE_SLEEPING) don't require stolen time accounting + * on load/unload, and higher values do. + */ +#define VCORE_INACTIVE 0 +#define VCORE_PREEMPT 1 +#define VCORE_PIGGYBACK 2 +#define VCORE_SLEEPING 3 +#define VCORE_RUNNING 4 +#define VCORE_EXITING 5 +#define VCORE_POLLING 6 + +/* + * Struct used to manage memory for a virtual processor area + * registered by a PAPR guest. There are three types of area + * that a guest can register. + */ +struct kvmppc_vpa { + unsigned long gpa; /* Current guest phys addr */ + void *pinned_addr; /* Address in kernel linear mapping */ + void *pinned_end; /* End of region */ + unsigned long next_gpa; /* Guest phys addr for update */ + unsigned long len; /* Number of bytes required */ + u8 update_pending; /* 1 => update pinned_addr from next_gpa */ + bool dirty; /* true => area has been modified by kernel */ +}; + +struct kvmppc_pte { + ulong eaddr; + u64 vpage; + ulong raddr; + bool may_read : 1; + bool may_write : 1; + bool may_execute : 1; + unsigned long wimg; + unsigned long rc; + u8 page_size; /* MMU_PAGE_xxx */ + u8 page_shift; +}; + +struct kvmppc_mmu { + /* book3s_64 only */ + void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs); + u64 (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr); + u64 (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr); + int (*slbfee)(struct kvm_vcpu *vcpu, gva_t eaddr, ulong *ret_slb); + void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr); + void (*slbia)(struct kvm_vcpu *vcpu); + /* book3s */ + void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); + u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); + int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, + struct kvmppc_pte *pte, bool data, bool iswrite); + void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); + int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); + u64 (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data); + bool (*is_dcbz32)(struct kvm_vcpu *vcpu); +}; + +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; + u8 base_page_size; /* MMU_PAGE_xxx */ +}; + +/* Struct used to accumulate timing information in HV real mode code */ +struct kvmhv_tb_accumulator { + u64 seqcount; /* used to synchronize access, also count * 2 */ + u64 tb_total; /* total time in timebase ticks */ + u64 tb_min; /* min time */ + u64 tb_max; /* max time */ +}; + +#ifdef CONFIG_PPC_BOOK3S_64 +struct kvmppc_irq_map { + u32 r_hwirq; + u32 v_hwirq; + struct irq_desc *desc; +}; + +#define KVMPPC_PIRQ_MAPPED 1024 +struct kvmppc_passthru_irqmap { + int n_mapped; + struct kvmppc_irq_map mapped[KVMPPC_PIRQ_MAPPED]; +}; +#endif + +# ifdef CONFIG_PPC_FSL_BOOK3E +#define KVMPPC_BOOKE_IAC_NUM 2 +#define KVMPPC_BOOKE_DAC_NUM 2 +# else +#define KVMPPC_BOOKE_IAC_NUM 4 +#define KVMPPC_BOOKE_DAC_NUM 2 +# endif +#define KVMPPC_BOOKE_MAX_IAC 4 +#define KVMPPC_BOOKE_MAX_DAC 2 + +/* KVMPPC_EPR_USER takes precedence over KVMPPC_EPR_KERNEL */ +#define KVMPPC_EPR_NONE 0 /* EPR not supported */ +#define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ +#define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ + +#define KVMPPC_IRQ_DEFAULT 0 +#define KVMPPC_IRQ_MPIC 1 +#define KVMPPC_IRQ_XICS 2 /* Includes a XIVE option */ +#define KVMPPC_IRQ_XIVE 3 /* XIVE native exploitation mode */ + +#define MMIO_HPTE_CACHE_SIZE 4 + +struct mmio_hpte_cache_entry { + unsigned long hpte_v; + unsigned long hpte_r; + unsigned long rpte; + unsigned long pte_index; + unsigned long eaddr; + unsigned long slb_v; + long mmio_update; + unsigned int slb_base_pshift; +}; + +struct mmio_hpte_cache { + struct mmio_hpte_cache_entry entry[MMIO_HPTE_CACHE_SIZE]; + unsigned int index; +}; + +#define KVMPPC_VSX_COPY_NONE 0 +#define KVMPPC_VSX_COPY_WORD 1 +#define KVMPPC_VSX_COPY_DWORD 2 +#define KVMPPC_VSX_COPY_DWORD_LOAD_DUMP 3 +#define KVMPPC_VSX_COPY_WORD_LOAD_DUMP 4 + +#define KVMPPC_VMX_COPY_BYTE 8 +#define KVMPPC_VMX_COPY_HWORD 9 +#define KVMPPC_VMX_COPY_WORD 10 +#define KVMPPC_VMX_COPY_DWORD 11 + +struct openpic; + +/* W0 and W1 of a XIVE thread management context */ +union xive_tma_w01 { + struct { + u8 nsr; + u8 cppr; + u8 ipb; + u8 lsmfb; + u8 ack; + u8 inc; + u8 age; + u8 pipr; + }; + __be64 w01; +}; + +struct kvm_vcpu_arch { + ulong host_stack; + u32 host_pid; +#ifdef CONFIG_PPC_BOOK3S + 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; + struct kvmppc_vcpu_book3s *book3s; +#endif +#ifdef CONFIG_PPC_BOOK3S_32 + struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; +#endif + + struct pt_regs regs; + + struct thread_fp_state fp; + +#ifdef CONFIG_SPE + ulong evr[32]; + ulong spefscr; + ulong host_spefscr; + u64 acc; +#endif +#ifdef CONFIG_ALTIVEC + struct thread_vr_state vr; +#endif + +#ifdef CONFIG_KVM_BOOKE_HV + u32 host_mas4; + u32 host_mas6; + u32 shadow_epcr; + u32 shadow_msrp; + u32 eplc; + u32 epsc; + u32 oldpir; +#endif + +#if defined(CONFIG_BOOKE) +#if defined(CONFIG_KVM_BOOKE_HV) || defined(CONFIG_64BIT) + u32 epcr; +#endif +#endif + +#ifdef CONFIG_PPC_BOOK3S + /* For Gekko paired singles */ + u32 qpr[32]; +#endif + +#ifdef CONFIG_PPC_BOOK3S + ulong tar; +#endif + +#ifdef CONFIG_PPC_BOOK3S + ulong hflags; + ulong guest_owned_ext; + ulong purr; + ulong spurr; + ulong ic; + ulong dscr; + ulong amr; + ulong uamor; + ulong iamr; + u32 ctrl; + u32 dabrx; + ulong dabr; + ulong dawr; + ulong dawrx; + ulong ciabr; + ulong cfar; + ulong ppr; + u32 pspb; + ulong fscr; + ulong shadow_fscr; + ulong ebbhr; + ulong ebbrr; + ulong bescr; + ulong csigr; + ulong tacr; + ulong tcscr; + ulong acop; + ulong wort; + ulong tid; + ulong psscr; + ulong hfscr; + ulong shadow_srr1; +#endif + u32 vrsave; /* also USPRG0 */ + u32 mmucr; + /* shadow_msr is unused for BookE HV */ + ulong shadow_msr; + ulong csrr0; + ulong csrr1; + ulong dsrr0; + ulong dsrr1; + ulong mcsrr0; + ulong mcsrr1; + ulong mcsr; + ulong dec; +#ifdef CONFIG_BOOKE + u32 decar; +#endif + /* Time base value when we entered the guest */ + u64 entry_tb; + u64 entry_vtb; + u64 entry_ic; + u32 tcr; + ulong tsr; /* we need to perform set/clr_bits() which requires ulong */ + u32 ivor[64]; + ulong ivpr; + u32 pvr; + + u32 shadow_pid; + u32 shadow_pid1; + u32 pid; + u32 swap_pid; + + u32 ccr0; + u32 ccr1; + u32 dbsr; + + u64 mmcr[4]; /* MMCR0, MMCR1, MMCR2, MMCR3 */ + u64 mmcra; + u64 mmcrs; + u32 pmc[8]; + u32 spmc[2]; + u64 siar; + u64 sdar; + u64 sier[3]; +#ifdef CONFIG_PPC_TRANSACTIONAL_MEM + u64 tfhar; + u64 texasr; + u64 tfiar; + u64 orig_texasr; + + u32 cr_tm; + u64 xer_tm; + u64 lr_tm; + u64 ctr_tm; + u64 amr_tm; + u64 ppr_tm; + u64 dscr_tm; + u64 tar_tm; + + ulong gpr_tm[32]; + + struct thread_fp_state fp_tm; + + struct thread_vr_state vr_tm; + u32 vrsave_tm; /* also USPRG0 */ +#endif + +#ifdef CONFIG_KVM_EXIT_TIMING + struct mutex exit_timing_lock; + struct kvmppc_exit_timing timing_exit; + struct kvmppc_exit_timing timing_last_enter; + u32 last_exit_type; + u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES]; + u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES]; + u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES]; + u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES]; + u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES]; + u64 timing_last_exit; + struct dentry *debugfs_exit_timing; +#endif + +#ifdef CONFIG_PPC_BOOK3S + ulong fault_dar; + u32 fault_dsisr; + unsigned long intr_msr; + ulong fault_gpa; /* guest real address of page fault (POWER9) */ +#endif + +#ifdef CONFIG_BOOKE + ulong fault_dear; + ulong fault_esr; + ulong queued_dear; + ulong queued_esr; + spinlock_t wdt_lock; + struct timer_list wdt_timer; + u32 tlbcfg[4]; + u32 tlbps[4]; + u32 mmucfg; + u32 eptcfg; + u32 epr; + u64 sprg9; + u32 pwrmgtcr0; + u32 crit_save; + /* guest debug registers*/ + struct debug_reg dbg_reg; +#endif + gpa_t paddr_accessed; + gva_t vaddr_accessed; + pgd_t *pgdir; + + u16 io_gpr; /* GPR used as IO source/target */ + u8 mmio_host_swabbed; + u8 mmio_sign_extend; + /* conversion between single and double precision */ + u8 mmio_sp64_extend; + /* + * Number of simulations for vsx. + * If we use 2*8bytes to simulate 1*16bytes, + * then the number should be 2 and + * mmio_copy_type=KVMPPC_VSX_COPY_DWORD. + * If we use 4*4bytes to simulate 1*16bytes, + * the number should be 4 and + * mmio_vsx_copy_type=KVMPPC_VSX_COPY_WORD. + */ + u8 mmio_vsx_copy_nums; + u8 mmio_vsx_offset; + u8 mmio_vmx_copy_nums; + u8 mmio_vmx_offset; + u8 mmio_copy_type; + u8 osi_needed; + u8 osi_enabled; + u8 papr_enabled; + u8 watchdog_enabled; + u8 sane; + u8 cpu_type; + u8 hcall_needed; + u8 epr_flags; /* KVMPPC_EPR_xxx */ + u8 epr_needed; + u8 external_oneshot; /* clear external irq after delivery */ + + u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ + + struct hrtimer dec_timer; + u64 dec_jiffies; + u64 dec_expires; + unsigned long pending_exceptions; + u8 ceded; + u8 prodded; + u8 doorbell_request; + u8 irq_pending; /* Used by XIVE to signal pending guest irqs */ + u32 last_inst; + + struct rcuwait *waitp; + struct kvmppc_vcore *vcore; + int ret; + int trap; + int state; + int ptid; + int thread_cpu; + int prev_cpu; + bool timer_running; + wait_queue_head_t cpu_run; + struct machine_check_event mce_evt; /* Valid if trap == 0x200 */ + + struct kvm_vcpu_arch_shared *shared; +#if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) + bool shared_big_endian; +#endif + 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 */ + bool disable_kernel_nx; + + int irq_type; /* one of KVM_IRQ_* */ + int irq_cpu_id; + struct openpic *mpic; /* KVM_IRQ_MPIC */ +#ifdef CONFIG_KVM_XICS + struct kvmppc_icp *icp; /* XICS presentation controller */ + struct kvmppc_xive_vcpu *xive_vcpu; /* XIVE virtual CPU data */ + __be32 xive_cam_word; /* Cooked W2 in proper endian with valid bit */ + u8 xive_pushed; /* Is the VP pushed on the physical CPU ? */ + u8 xive_esc_on; /* Is the escalation irq enabled ? */ + union xive_tma_w01 xive_saved_state; /* W0..1 of XIVE thread state */ + u64 xive_esc_raddr; /* Escalation interrupt ESB real addr */ + u64 xive_esc_vaddr; /* Escalation interrupt ESB virt addr */ +#endif + +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE + struct kvm_vcpu_arch_shared shregs; + + struct mmio_hpte_cache mmio_cache; + unsigned long pgfault_addr; + long pgfault_index; + unsigned long pgfault_hpte[2]; + struct mmio_hpte_cache_entry *pgfault_cache; + + struct task_struct *run_task; + + spinlock_t vpa_update_lock; + struct kvmppc_vpa vpa; + struct kvmppc_vpa dtl; + struct dtl_entry *dtl_ptr; + unsigned long dtl_index; + u64 stolen_logged; + struct kvmppc_vpa slb_shadow; + + spinlock_t tbacct_lock; + u64 busy_stolen; + u64 busy_preempt; + + u32 emul_inst; + + u32 online; + + /* For support of nested guests */ + struct kvm_nested_guest *nested; + u32 nested_vcpu_id; + gpa_t nested_io_gpr; +#endif + +#ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING + struct kvmhv_tb_accumulator *cur_activity; /* What we're timing */ + u64 cur_tb_start; /* when it started */ + struct kvmhv_tb_accumulator rm_entry; /* real-mode entry code */ + struct kvmhv_tb_accumulator rm_intr; /* real-mode intr handling */ + struct kvmhv_tb_accumulator rm_exit; /* real-mode exit code */ + struct kvmhv_tb_accumulator guest_time; /* guest execution */ + struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ + + struct dentry *debugfs_dir; +#endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ +}; + +#define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] +#define VCPU_VSX_FPR(vcpu, i, j) ((vcpu)->arch.fp.fpr[i][j]) +#define VCPU_VSX_VR(vcpu, i) ((vcpu)->arch.vr.vr[i]) + +/* Values for vcpu->arch.state */ +#define KVMPPC_VCPU_NOTREADY 0 +#define KVMPPC_VCPU_RUNNABLE 1 +#define KVMPPC_VCPU_BUSY_IN_HOST 2 + +/* Values for vcpu->arch.io_gpr */ +#define KVM_MMIO_REG_MASK 0x003f +#define KVM_MMIO_REG_EXT_MASK 0xffc0 +#define KVM_MMIO_REG_GPR 0x0000 +#define KVM_MMIO_REG_FPR 0x0040 +#define KVM_MMIO_REG_QPR 0x0080 +#define KVM_MMIO_REG_FQPR 0x00c0 +#define KVM_MMIO_REG_VSX 0x0100 +#define KVM_MMIO_REG_VMX 0x0180 +#define KVM_MMIO_REG_NESTED_GPR 0xffc0 + + +#define __KVM_HAVE_ARCH_WQP +#define __KVM_HAVE_CREATE_DEVICE + +static inline void kvm_arch_hardware_disable(void) {} +static inline void kvm_arch_hardware_unsetup(void) {} +static inline void kvm_arch_sync_events(struct kvm *kvm) {} +static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {} +static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} +static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} +static inline void kvm_arch_exit(void) {} +static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} +static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} +static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {} + +#endif /* __POWERPC_KVM_HOST_H__ */ |