FM / asm

/usr/src/linux-headers-5.15.0-181/arch/powerpc/include/asm/

/usr/src/linux-headers-5.15.0-181/arch/powerpc/include/asm

Name	Size	Mode	Actions
book3s/	-	0755	rm
nohash/	-	0755	rm
vdso/	-	0755	rm
8xx_immap.h	14099	0644	edit dl rm
accounting.h	908	0644	edit dl rm
agp.h	525	0644	edit dl rm
archrandom.h	838	0644	edit dl rm
asm-compat.h	1882	0644	edit dl rm
asm-const.h	468	0644	edit dl rm
asm-offsets.h	35	0644	edit dl rm
asm-prototypes.h	5130	0644	edit dl rm
async_tx.h	908	0644	edit dl rm
atomic.h	14267	0644	edit dl rm
backlight.h	1115	0644	edit dl rm
barrier.h	3977	0644	edit dl rm
bitops.h	7913	0644	edit dl rm
bootx.h	1142	0644	edit dl rm
bpf_perf_event.h	233	0644	edit dl rm
btext.h	1006	0644	edit dl rm
bug.h	4090	0644	edit dl rm
cache.h	2888	0644	edit dl rm
cacheflush.h	3851	0644	edit dl rm
cell-pmu.h	3496	0644	edit dl rm
cell-regs.h	9799	0644	edit dl rm
checksum.h	5723	0644	edit dl rm
clocksource.h	185	0644	edit dl rm
cmpxchg.h	12280	0644	edit dl rm
code-patching-asm.h	397	0644	edit dl rm
code-patching.h	5443	0644	edit dl rm
compat.h	3304	0644	edit dl rm
context_tracking.h	245	0644	edit dl rm
copro.h	593	0644	edit dl rm
cpm.h	25	0644	edit dl rm
cpm1.h	21711	0644	edit dl rm
cpm2.h	49598	0644	edit dl rm
cpufeature.h	998	0644	edit dl rm
cpuidle.h	3407	0644	edit dl rm
cputable.h	23211	0644	edit dl rm
cputhreads.h	3856	0644	edit dl rm
cputime.h	3069	0644	edit dl rm
cpu_has_feature.h	1339	0644	edit dl rm
cpu_setup_power.h	507	0644	edit dl rm
crashdump-ppc64.h	624	0644	edit dl rm
current.h	680	0644	edit dl rm
dbdma.h	3809	0644	edit dl rm
dbell.h	4025	0644	edit dl rm
dcr-generic.h	930	0644	edit dl rm
dcr-mmio.h	1026	0644	edit dl rm
dcr-native.h	3859	0644	edit dl rm
dcr-regs.h	5846	0644	edit dl rm
dcr.h	2108	0644	edit dl rm
debug.h	1886	0644	edit dl rm
delay.h	3297	0644	edit dl rm
device.h	1016	0644	edit dl rm
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dma-direct.h	391	0644	edit dl rm
dma.h	10725	0644	edit dl rm
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ehv_pic.h	963	0644	edit dl rm
elf.h	6283	0644	edit dl rm
elfnote.h	527	0644	edit dl rm
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floppy.h	5111	0644	edit dl rm
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hardirq.h	948	0644	edit dl rm
head-64.h	5507	0644	edit dl rm
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highmem.h	2079	0644	edit dl rm
hmi.h	971	0644	edit dl rm
hugetlb.h	2186	0644	edit dl rm
hvcall.h	21250	0644	edit dl rm
hvconsole.h	790	0644	edit dl rm
hvcserver.h	1473	0644	edit dl rm
hvsi.h	2850	0644	edit dl rm
hw_breakpoint.h	3735	0644	edit dl rm
hw_irq.h	11218	0644	edit dl rm
hydra.h	2948	0644	edit dl rm
i8259.h	361	0644	edit dl rm
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icswx.h	5090	0644	edit dl rm
ide.h	586	0644	edit dl rm
idle.h	2372	0644	edit dl rm
imc-pmu.h	3983	0644	edit dl rm
immap_cpm2.h	10749	0644	edit dl rm
inst.h	3683	0644	edit dl rm
interrupt.h	18353	0644	edit dl rm
io-defs.h	3164	0644	edit dl rm
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io.h	31387	0644	edit dl rm
iommu.h	10283	0644	edit dl rm
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ipic.h	3141	0644	edit dl rm
irq.h	1320	0644	edit dl rm
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isa-bridge.h	654	0644	edit dl rm
jump_label.h	1351	0644	edit dl rm
kasan.h	1396	0644	edit dl rm
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kvm_book3s_asm.h	3777	0644	edit dl rm
kvm_book3s_uvmem.h	2738	0644	edit dl rm
kvm_booke.h	2233	0644	edit dl rm
kvm_booke_hv_asm.h	1960	0644	edit dl rm
kvm_fpu.h	2199	0644	edit dl rm
kvm_guest.h	566	0644	edit dl rm
kvm_host.h	21966	0644	edit dl rm
kvm_para.h	752	0644	edit dl rm
kvm_ppc.h	36699	0644	edit dl rm
libata-portmap.h	249	0644	edit dl rm
linkage.h	501	0644	edit dl rm
livepatch.h	1140	0644	edit dl rm
local.h	3258	0644	edit dl rm
lppaca.h	5015	0644	edit dl rm
lv1call.h	18555	0644	edit dl rm
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macio.h	3985	0644	edit dl rm
mc146818rtc.h	736	0644	edit dl rm
mce.h	6396	0644	edit dl rm
mediabay.h	1375	0644	edit dl rm
membarrier.h	877	0644	edit dl rm
mem_encrypt.h	532	0644	edit dl rm
mman.h	1471	0644	edit dl rm
mmiowb.h	374	0644	edit dl rm
mmu.h	11244	0644	edit dl rm
mmu_context.h	9646	0644	edit dl rm
mmzone.h	1003	0644	edit dl rm
module.h	2284	0644	edit dl rm
module.lds.h	95	0644	edit dl rm
mpc5xxx.h	439	0644	edit dl rm
mpc6xx.h	143	0644	edit dl rm
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mpc85xx.h	2382	0644	edit dl rm
mpc5121.h	3863	0644	edit dl rm
mpc8260.h	742	0644	edit dl rm
mpic.h	14309	0644	edit dl rm
mpic_msgr.h	3441	0644	edit dl rm
mpic_timer.h	1183	0644	edit dl rm
msi_bitmap.h	867	0644	edit dl rm
nmi.h	579	0644	edit dl rm
nvram.h	2834	0644	edit dl rm
ohare.h	1684	0644	edit dl rm
opal-api.h	31680	0644	edit dl rm
opal.h	17843	0644	edit dl rm
paca.h	8783	0644	edit dl rm
page.h	10362	0644	edit dl rm
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page_64.h	2716	0644	edit dl rm
paravirt.h	3881	0644	edit dl rm
parport.h	956	0644	edit dl rm
pasemi_dma.h	23273	0644	edit dl rm
pci-bridge.h	9481	0644	edit dl rm
pci.h	3605	0644	edit dl rm
percpu.h	815	0644	edit dl rm
perf_event.h	1509	0644	edit dl rm
perf_event_fsl_emb.h	1252	0644	edit dl rm
perf_event_server.h	7104	0644	edit dl rm
pgalloc.h	2067	0644	edit dl rm
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pgtable.h	4047	0644	edit dl rm
pkeys.h	4279	0644	edit dl rm
plpar_wrappers.h	10193	0644	edit dl rm
pmac_feature.h	13396	0644	edit dl rm
pmac_low_i2c.h	3100	0644	edit dl rm
pmac_pfunc.h	8237	0644	edit dl rm
pmc.h	1116	0644	edit dl rm
pmi.h	1177	0644	edit dl rm
pnv-ocxl.h	3069	0644	edit dl rm
pnv-pci.h	2432	0644	edit dl rm
powernv.h	454	0644	edit dl rm
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ppc-pci.h	2282	0644	edit dl rm
ppc4xx.h	328	0644	edit dl rm
ppc_asm.h	20530	0644	edit dl rm
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processor.h	11898	0644	edit dl rm
prom.h	7324	0644	edit dl rm
ps3.h	15219	0644	edit dl rm
ps3av.h	23422	0644	edit dl rm
ps3gpu.h	1928	0644	edit dl rm
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qspinlock.h	2064	0644	edit dl rm
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rheap.h	2578	0644	edit dl rm
rio.h	424	0644	edit dl rm
rtas-types.h	2939	0644	edit dl rm
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shmparam.h	206	0644	edit dl rm
signal.h	320	0644	edit dl rm
simple_spinlock.h	6662	0644	edit dl rm
simple_spinlock_types.h	481	0644	edit dl rm
slice.h	1121	0644	edit dl rm
smp.h	7804	0644	edit dl rm
smu.h	19789	0644	edit dl rm
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spinlock.h	472	0644	edit dl rm
spinlock_types.h	382	0644	edit dl rm
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vga.h	1273	0644	edit dl rm
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Edit: /usr/src/linux-headers-5.15.0-181/arch/powerpc/include/asm/kvm_host.h (21966B)

/* 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

#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)
#define KVM_REQ_PENDING_TIMER	KVM_ARCH_REQ(2)

#include <linux/mmu_notifier.h>

#define KVM_ARCH_WANT_MMU_NOTIFIER

#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 {
	struct kvm_vm_stat_generic generic;
	u64 num_2M_pages;
	u64 num_1G_pages;
};

struct kvm_vcpu_stat {
	struct kvm_vcpu_stat_generic generic;
	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_successful_wait;
	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 nested_enable;
	bool dawr1_enabled;
	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 dawr0;
	ulong dawrx0;
	ulong dawr1;
	ulong dawrx1;
	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;
	/*
	 * POWER9 and later: fault_gpa contains the guest real address of page
	 * fault for a radix guest, or segment descriptor (equivalent to result
	 * from slbmfev of SLB entry that translated the EA) for hash guests.
	 */
	ulong fault_gpa;
#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;

u64 hfscr_permitted;	/* A mask of permitted HFSCR facilities */

/* For support of nested guests */
	struct kvm_nested_guest *nested;
	u64 nested_hfscr;	/* HFSCR that the L1 requested for the nested guest */
	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__ */

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