819 lines
20 KiB
C
819 lines
20 KiB
C
/*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License, version 2, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* 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>
|
|
#define KVM_MAX_VCPU_ID (threads_per_subcore * KVM_MAX_VCORES)
|
|
|
|
#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(struct kvm *kvm, unsigned long hva);
|
|
extern int kvm_unmap_hva_range(struct kvm *kvm,
|
|
unsigned long start, unsigned long end);
|
|
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 void 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_vm_stat {
|
|
ulong remote_tlb_flush;
|
|
};
|
|
|
|
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;
|
|
};
|
|
|
|
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 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;
|
|
|
|
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;
|
|
};
|
|
|
|
/*
|
|
* We use the top bit of each memslot->arch.rmap entry as a lock bit,
|
|
* and bit 32 as a present flag. The bottom 32 bits are the
|
|
* index in the guest HPT of a HPTE that points to the page.
|
|
*/
|
|
#define KVMPPC_RMAP_LOCK_BIT 63
|
|
#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;
|
|
|
|
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;
|
|
int tlbie_lock;
|
|
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;
|
|
bool threads_indep;
|
|
pgd_t *pgtable;
|
|
u64 process_table;
|
|
struct dentry *debugfs_dir;
|
|
struct dentry *htab_dentry;
|
|
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;
|
|
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_xive *xive;
|
|
struct kvmppc_passthru_irqmap *pimap;
|
|
#endif
|
|
struct kvmppc_ops *kvm_ops;
|
|
#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
|
|
/* 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;
|
|
u8 page_size; /* MMU_PAGE_xxx */
|
|
};
|
|
|
|
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);
|
|
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 (*reset_msr)(struct kvm_vcpu *vcpu);
|
|
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 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
|
|
|
|
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
|
|
|
|
ulong gpr[32];
|
|
|
|
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
|
|
|
|
ulong pc;
|
|
ulong ctr;
|
|
ulong lr;
|
|
#ifdef CONFIG_PPC_BOOK3S
|
|
ulong tar;
|
|
#endif
|
|
|
|
ulong xer;
|
|
u32 cr;
|
|
|
|
#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[5];
|
|
u32 pmc[8];
|
|
u32 spmc[2];
|
|
u64 siar;
|
|
u64 sdar;
|
|
u64 sier;
|
|
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
|
|
u64 tfhar;
|
|
u64 texasr;
|
|
u64 tfiar;
|
|
|
|
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;
|
|
|
|
u8 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_vsx_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_vsx_copy_type;
|
|
u8 mmio_vsx_tx_sx_enabled;
|
|
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;
|
|
|
|
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;
|
|
u32 last_inst;
|
|
|
|
struct swait_queue_head *wqp;
|
|
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 */
|
|
u32 xive_pushed; /* Is the VP pushed on the physical CPU ? */
|
|
union xive_tma_w01 xive_saved_state; /* W0..1 of XIVE thread state */
|
|
#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;
|
|
struct kvm_run *kvm_run;
|
|
|
|
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;
|
|
#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;
|
|
struct dentry *debugfs_timings;
|
|
#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 0x001f
|
|
#define KVM_MMIO_REG_EXT_MASK 0xffe0
|
|
#define KVM_MMIO_REG_GPR 0x0000
|
|
#define KVM_MMIO_REG_FPR 0x0020
|
|
#define KVM_MMIO_REG_QPR 0x0040
|
|
#define KVM_MMIO_REG_FQPR 0x0060
|
|
#define KVM_MMIO_REG_VSX 0x0080
|
|
|
|
#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, struct kvm_memslots *slots) {}
|
|
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__ */
|