cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
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kvm.h (24887B)


      1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2/*
      3 * This program is free software; you can redistribute it and/or modify
      4 * it under the terms of the GNU General Public License, version 2, as
      5 * published by the Free Software Foundation.
      6 *
      7 * This program is distributed in the hope that it will be useful,
      8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
      9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     10 * GNU General Public License for more details.
     11 *
     12 * You should have received a copy of the GNU General Public License
     13 * along with this program; if not, write to the Free Software
     14 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
     15 *
     16 * Copyright IBM Corp. 2007
     17 *
     18 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
     19 */
     20
     21#ifndef __LINUX_KVM_POWERPC_H
     22#define __LINUX_KVM_POWERPC_H
     23
     24#include <linux/types.h>
     25
     26/* Select powerpc specific features in <linux/kvm.h> */
     27#define __KVM_HAVE_SPAPR_TCE
     28#define __KVM_HAVE_PPC_SMT
     29#define __KVM_HAVE_IRQCHIP
     30#define __KVM_HAVE_IRQ_LINE
     31#define __KVM_HAVE_GUEST_DEBUG
     32
     33/* Not always available, but if it is, this is the correct offset.  */
     34#define KVM_COALESCED_MMIO_PAGE_OFFSET 1
     35
     36struct kvm_regs {
     37	__u64 pc;
     38	__u64 cr;
     39	__u64 ctr;
     40	__u64 lr;
     41	__u64 xer;
     42	__u64 msr;
     43	__u64 srr0;
     44	__u64 srr1;
     45	__u64 pid;
     46
     47	__u64 sprg0;
     48	__u64 sprg1;
     49	__u64 sprg2;
     50	__u64 sprg3;
     51	__u64 sprg4;
     52	__u64 sprg5;
     53	__u64 sprg6;
     54	__u64 sprg7;
     55
     56	__u64 gpr[32];
     57};
     58
     59#define KVM_SREGS_E_IMPL_NONE	0
     60#define KVM_SREGS_E_IMPL_FSL	1
     61
     62#define KVM_SREGS_E_FSL_PIDn	(1 << 0) /* PID1/PID2 */
     63
     64/* flags for kvm_run.flags */
     65#define KVM_RUN_PPC_NMI_DISP_MASK		(3 << 0)
     66#define   KVM_RUN_PPC_NMI_DISP_FULLY_RECOV	(1 << 0)
     67#define   KVM_RUN_PPC_NMI_DISP_LIMITED_RECOV	(2 << 0)
     68#define   KVM_RUN_PPC_NMI_DISP_NOT_RECOV	(3 << 0)
     69
     70/*
     71 * Feature bits indicate which sections of the sregs struct are valid,
     72 * both in KVM_GET_SREGS and KVM_SET_SREGS.  On KVM_SET_SREGS, registers
     73 * corresponding to unset feature bits will not be modified.  This allows
     74 * restoring a checkpoint made without that feature, while keeping the
     75 * default values of the new registers.
     76 *
     77 * KVM_SREGS_E_BASE contains:
     78 * CSRR0/1 (refers to SRR2/3 on 40x)
     79 * ESR
     80 * DEAR
     81 * MCSR
     82 * TSR
     83 * TCR
     84 * DEC
     85 * TB
     86 * VRSAVE (USPRG0)
     87 */
     88#define KVM_SREGS_E_BASE		(1 << 0)
     89
     90/*
     91 * KVM_SREGS_E_ARCH206 contains:
     92 *
     93 * PIR
     94 * MCSRR0/1
     95 * DECAR
     96 * IVPR
     97 */
     98#define KVM_SREGS_E_ARCH206		(1 << 1)
     99
    100/*
    101 * Contains EPCR, plus the upper half of 64-bit registers
    102 * that are 32-bit on 32-bit implementations.
    103 */
    104#define KVM_SREGS_E_64			(1 << 2)
    105
    106#define KVM_SREGS_E_SPRG8		(1 << 3)
    107#define KVM_SREGS_E_MCIVPR		(1 << 4)
    108
    109/*
    110 * IVORs are used -- contains IVOR0-15, plus additional IVORs
    111 * in combination with an appropriate feature bit.
    112 */
    113#define KVM_SREGS_E_IVOR		(1 << 5)
    114
    115/*
    116 * Contains MAS0-4, MAS6-7, TLBnCFG, MMUCFG.
    117 * Also TLBnPS if MMUCFG[MAVN] = 1.
    118 */
    119#define KVM_SREGS_E_ARCH206_MMU		(1 << 6)
    120
    121/* DBSR, DBCR, IAC, DAC, DVC */
    122#define KVM_SREGS_E_DEBUG		(1 << 7)
    123
    124/* Enhanced debug -- DSRR0/1, SPRG9 */
    125#define KVM_SREGS_E_ED			(1 << 8)
    126
    127/* Embedded Floating Point (SPE) -- IVOR32-34 if KVM_SREGS_E_IVOR */
    128#define KVM_SREGS_E_SPE			(1 << 9)
    129
    130/*
    131 * DEPRECATED! USE ONE_REG FOR THIS ONE!
    132 * External Proxy (EXP) -- EPR
    133 */
    134#define KVM_SREGS_EXP			(1 << 10)
    135
    136/* External PID (E.PD) -- EPSC/EPLC */
    137#define KVM_SREGS_E_PD			(1 << 11)
    138
    139/* Processor Control (E.PC) -- IVOR36-37 if KVM_SREGS_E_IVOR */
    140#define KVM_SREGS_E_PC			(1 << 12)
    141
    142/* Page table (E.PT) -- EPTCFG */
    143#define KVM_SREGS_E_PT			(1 << 13)
    144
    145/* Embedded Performance Monitor (E.PM) -- IVOR35 if KVM_SREGS_E_IVOR */
    146#define KVM_SREGS_E_PM			(1 << 14)
    147
    148/*
    149 * Special updates:
    150 *
    151 * Some registers may change even while a vcpu is not running.
    152 * To avoid losing these changes, by default these registers are
    153 * not updated by KVM_SET_SREGS.  To force an update, set the bit
    154 * in u.e.update_special corresponding to the register to be updated.
    155 *
    156 * The update_special field is zero on return from KVM_GET_SREGS.
    157 *
    158 * When restoring a checkpoint, the caller can set update_special
    159 * to 0xffffffff to ensure that everything is restored, even new features
    160 * that the caller doesn't know about.
    161 */
    162#define KVM_SREGS_E_UPDATE_MCSR		(1 << 0)
    163#define KVM_SREGS_E_UPDATE_TSR		(1 << 1)
    164#define KVM_SREGS_E_UPDATE_DEC		(1 << 2)
    165#define KVM_SREGS_E_UPDATE_DBSR		(1 << 3)
    166
    167/*
    168 * In KVM_SET_SREGS, reserved/pad fields must be left untouched from a
    169 * previous KVM_GET_REGS.
    170 *
    171 * Unless otherwise indicated, setting any register with KVM_SET_SREGS
    172 * directly sets its value.  It does not trigger any special semantics such
    173 * as write-one-to-clear.  Calling KVM_SET_SREGS on an unmodified struct
    174 * just received from KVM_GET_SREGS is always a no-op.
    175 */
    176struct kvm_sregs {
    177	__u32 pvr;
    178	union {
    179		struct {
    180			__u64 sdr1;
    181			struct {
    182				struct {
    183					__u64 slbe;
    184					__u64 slbv;
    185				} slb[64];
    186			} ppc64;
    187			struct {
    188				__u32 sr[16];
    189				__u64 ibat[8];
    190				__u64 dbat[8];
    191			} ppc32;
    192		} s;
    193		struct {
    194			union {
    195				struct { /* KVM_SREGS_E_IMPL_FSL */
    196					__u32 features; /* KVM_SREGS_E_FSL_ */
    197					__u32 svr;
    198					__u64 mcar;
    199					__u32 hid0;
    200
    201					/* KVM_SREGS_E_FSL_PIDn */
    202					__u32 pid1, pid2;
    203				} fsl;
    204				__u8 pad[256];
    205			} impl;
    206
    207			__u32 features; /* KVM_SREGS_E_ */
    208			__u32 impl_id;	/* KVM_SREGS_E_IMPL_ */
    209			__u32 update_special; /* KVM_SREGS_E_UPDATE_ */
    210			__u32 pir;	/* read-only */
    211			__u64 sprg8;
    212			__u64 sprg9;	/* E.ED */
    213			__u64 csrr0;
    214			__u64 dsrr0;	/* E.ED */
    215			__u64 mcsrr0;
    216			__u32 csrr1;
    217			__u32 dsrr1;	/* E.ED */
    218			__u32 mcsrr1;
    219			__u32 esr;
    220			__u64 dear;
    221			__u64 ivpr;
    222			__u64 mcivpr;
    223			__u64 mcsr;	/* KVM_SREGS_E_UPDATE_MCSR */
    224
    225			__u32 tsr;	/* KVM_SREGS_E_UPDATE_TSR */
    226			__u32 tcr;
    227			__u32 decar;
    228			__u32 dec;	/* KVM_SREGS_E_UPDATE_DEC */
    229
    230			/*
    231			 * Userspace can read TB directly, but the
    232			 * value reported here is consistent with "dec".
    233			 *
    234			 * Read-only.
    235			 */
    236			__u64 tb;
    237
    238			__u32 dbsr;	/* KVM_SREGS_E_UPDATE_DBSR */
    239			__u32 dbcr[3];
    240			/*
    241			 * iac/dac registers are 64bit wide, while this API
    242			 * interface provides only lower 32 bits on 64 bit
    243			 * processors. ONE_REG interface is added for 64bit
    244			 * iac/dac registers.
    245			 */
    246			__u32 iac[4];
    247			__u32 dac[2];
    248			__u32 dvc[2];
    249			__u8 num_iac;	/* read-only */
    250			__u8 num_dac;	/* read-only */
    251			__u8 num_dvc;	/* read-only */
    252			__u8 pad;
    253
    254			__u32 epr;	/* EXP */
    255			__u32 vrsave;	/* a.k.a. USPRG0 */
    256			__u32 epcr;	/* KVM_SREGS_E_64 */
    257
    258			__u32 mas0;
    259			__u32 mas1;
    260			__u64 mas2;
    261			__u64 mas7_3;
    262			__u32 mas4;
    263			__u32 mas6;
    264
    265			__u32 ivor_low[16]; /* IVOR0-15 */
    266			__u32 ivor_high[18]; /* IVOR32+, plus room to expand */
    267
    268			__u32 mmucfg;	/* read-only */
    269			__u32 eptcfg;	/* E.PT, read-only */
    270			__u32 tlbcfg[4];/* read-only */
    271			__u32 tlbps[4]; /* read-only */
    272
    273			__u32 eplc, epsc; /* E.PD */
    274		} e;
    275		__u8 pad[1020];
    276	} u;
    277};
    278
    279struct kvm_fpu {
    280	__u64 fpr[32];
    281};
    282
    283/*
    284 * Defines for h/w breakpoint, watchpoint (read, write or both) and
    285 * software breakpoint.
    286 * These are used as "type" in KVM_SET_GUEST_DEBUG ioctl and "status"
    287 * for KVM_DEBUG_EXIT.
    288 */
    289#define KVMPPC_DEBUG_NONE		0x0
    290#define KVMPPC_DEBUG_BREAKPOINT		(1UL << 1)
    291#define KVMPPC_DEBUG_WATCH_WRITE	(1UL << 2)
    292#define KVMPPC_DEBUG_WATCH_READ		(1UL << 3)
    293struct kvm_debug_exit_arch {
    294	__u64 address;
    295	/*
    296	 * exiting to userspace because of h/w breakpoint, watchpoint
    297	 * (read, write or both) and software breakpoint.
    298	 */
    299	__u32 status;
    300	__u32 reserved;
    301};
    302
    303/* for KVM_SET_GUEST_DEBUG */
    304struct kvm_guest_debug_arch {
    305	struct {
    306		/* H/W breakpoint/watchpoint address */
    307		__u64 addr;
    308		/*
    309		 * Type denotes h/w breakpoint, read watchpoint, write
    310		 * watchpoint or watchpoint (both read and write).
    311		 */
    312		__u32 type;
    313		__u32 reserved;
    314	} bp[16];
    315};
    316
    317/* Debug related defines */
    318/*
    319 * kvm_guest_debug->control is a 32 bit field. The lower 16 bits are generic
    320 * and upper 16 bits are architecture specific. Architecture specific defines
    321 * that ioctl is for setting hardware breakpoint or software breakpoint.
    322 */
    323#define KVM_GUESTDBG_USE_SW_BP		0x00010000
    324#define KVM_GUESTDBG_USE_HW_BP		0x00020000
    325
    326/* definition of registers in kvm_run */
    327struct kvm_sync_regs {
    328};
    329
    330#define KVM_INTERRUPT_SET	-1U
    331#define KVM_INTERRUPT_UNSET	-2U
    332#define KVM_INTERRUPT_SET_LEVEL	-3U
    333
    334#define KVM_CPU_440		1
    335#define KVM_CPU_E500V2		2
    336#define KVM_CPU_3S_32		3
    337#define KVM_CPU_3S_64		4
    338#define KVM_CPU_E500MC		5
    339
    340/* for KVM_CAP_SPAPR_TCE */
    341struct kvm_create_spapr_tce {
    342	__u64 liobn;
    343	__u32 window_size;
    344};
    345
    346/* for KVM_CAP_SPAPR_TCE_64 */
    347struct kvm_create_spapr_tce_64 {
    348	__u64 liobn;
    349	__u32 page_shift;
    350	__u32 flags;
    351	__u64 offset;	/* in pages */
    352	__u64 size;	/* in pages */
    353};
    354
    355/* for KVM_ALLOCATE_RMA */
    356struct kvm_allocate_rma {
    357	__u64 rma_size;
    358};
    359
    360/* for KVM_CAP_PPC_RTAS */
    361struct kvm_rtas_token_args {
    362	char name[120];
    363	__u64 token;	/* Use a token of 0 to undefine a mapping */
    364};
    365
    366struct kvm_book3e_206_tlb_entry {
    367	__u32 mas8;
    368	__u32 mas1;
    369	__u64 mas2;
    370	__u64 mas7_3;
    371};
    372
    373struct kvm_book3e_206_tlb_params {
    374	/*
    375	 * For mmu types KVM_MMU_FSL_BOOKE_NOHV and KVM_MMU_FSL_BOOKE_HV:
    376	 *
    377	 * - The number of ways of TLB0 must be a power of two between 2 and
    378	 *   16.
    379	 * - TLB1 must be fully associative.
    380	 * - The size of TLB0 must be a multiple of the number of ways, and
    381	 *   the number of sets must be a power of two.
    382	 * - The size of TLB1 may not exceed 64 entries.
    383	 * - TLB0 supports 4 KiB pages.
    384	 * - The page sizes supported by TLB1 are as indicated by
    385	 *   TLB1CFG (if MMUCFG[MAVN] = 0) or TLB1PS (if MMUCFG[MAVN] = 1)
    386	 *   as returned by KVM_GET_SREGS.
    387	 * - TLB2 and TLB3 are reserved, and their entries in tlb_sizes[]
    388	 *   and tlb_ways[] must be zero.
    389	 *
    390	 * tlb_ways[n] = tlb_sizes[n] means the array is fully associative.
    391	 *
    392	 * KVM will adjust TLBnCFG based on the sizes configured here,
    393	 * though arrays greater than 2048 entries will have TLBnCFG[NENTRY]
    394	 * set to zero.
    395	 */
    396	__u32 tlb_sizes[4];
    397	__u32 tlb_ways[4];
    398	__u32 reserved[8];
    399};
    400
    401/* For KVM_PPC_GET_HTAB_FD */
    402struct kvm_get_htab_fd {
    403	__u64	flags;
    404	__u64	start_index;
    405	__u64	reserved[2];
    406};
    407
    408/* Values for kvm_get_htab_fd.flags */
    409#define KVM_GET_HTAB_BOLTED_ONLY	((__u64)0x1)
    410#define KVM_GET_HTAB_WRITE		((__u64)0x2)
    411
    412/*
    413 * Data read on the file descriptor is formatted as a series of
    414 * records, each consisting of a header followed by a series of
    415 * `n_valid' HPTEs (16 bytes each), which are all valid.  Following
    416 * those valid HPTEs there are `n_invalid' invalid HPTEs, which
    417 * are not represented explicitly in the stream.  The same format
    418 * is used for writing.
    419 */
    420struct kvm_get_htab_header {
    421	__u32	index;
    422	__u16	n_valid;
    423	__u16	n_invalid;
    424};
    425
    426/* For KVM_PPC_CONFIGURE_V3_MMU */
    427struct kvm_ppc_mmuv3_cfg {
    428	__u64	flags;
    429	__u64	process_table;	/* second doubleword of partition table entry */
    430};
    431
    432/* Flag values for KVM_PPC_CONFIGURE_V3_MMU */
    433#define KVM_PPC_MMUV3_RADIX	1	/* 1 = radix mode, 0 = HPT */
    434#define KVM_PPC_MMUV3_GTSE	2	/* global translation shootdown enb. */
    435
    436/* For KVM_PPC_GET_RMMU_INFO */
    437struct kvm_ppc_rmmu_info {
    438	struct kvm_ppc_radix_geom {
    439		__u8	page_shift;
    440		__u8	level_bits[4];
    441		__u8	pad[3];
    442	}	geometries[8];
    443	__u32	ap_encodings[8];
    444};
    445
    446/* For KVM_PPC_GET_CPU_CHAR */
    447struct kvm_ppc_cpu_char {
    448	__u64	character;		/* characteristics of the CPU */
    449	__u64	behaviour;		/* recommended software behaviour */
    450	__u64	character_mask;		/* valid bits in character */
    451	__u64	behaviour_mask;		/* valid bits in behaviour */
    452};
    453
    454/*
    455 * Values for character and character_mask.
    456 * These are identical to the values used by H_GET_CPU_CHARACTERISTICS.
    457 */
    458#define KVM_PPC_CPU_CHAR_SPEC_BAR_ORI31		(1ULL << 63)
    459#define KVM_PPC_CPU_CHAR_BCCTRL_SERIALISED	(1ULL << 62)
    460#define KVM_PPC_CPU_CHAR_L1D_FLUSH_ORI30	(1ULL << 61)
    461#define KVM_PPC_CPU_CHAR_L1D_FLUSH_TRIG2	(1ULL << 60)
    462#define KVM_PPC_CPU_CHAR_L1D_THREAD_PRIV	(1ULL << 59)
    463#define KVM_PPC_CPU_CHAR_BR_HINT_HONOURED	(1ULL << 58)
    464#define KVM_PPC_CPU_CHAR_MTTRIG_THR_RECONF	(1ULL << 57)
    465#define KVM_PPC_CPU_CHAR_COUNT_CACHE_DIS	(1ULL << 56)
    466#define KVM_PPC_CPU_CHAR_BCCTR_FLUSH_ASSIST	(1ull << 54)
    467
    468#define KVM_PPC_CPU_BEHAV_FAVOUR_SECURITY	(1ULL << 63)
    469#define KVM_PPC_CPU_BEHAV_L1D_FLUSH_PR		(1ULL << 62)
    470#define KVM_PPC_CPU_BEHAV_BNDS_CHK_SPEC_BAR	(1ULL << 61)
    471#define KVM_PPC_CPU_BEHAV_FLUSH_COUNT_CACHE	(1ull << 58)
    472
    473/* Per-vcpu XICS interrupt controller state */
    474#define KVM_REG_PPC_ICP_STATE	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x8c)
    475
    476#define  KVM_REG_PPC_ICP_CPPR_SHIFT	56	/* current proc priority */
    477#define  KVM_REG_PPC_ICP_CPPR_MASK	0xff
    478#define  KVM_REG_PPC_ICP_XISR_SHIFT	32	/* interrupt status field */
    479#define  KVM_REG_PPC_ICP_XISR_MASK	0xffffff
    480#define  KVM_REG_PPC_ICP_MFRR_SHIFT	24	/* pending IPI priority */
    481#define  KVM_REG_PPC_ICP_MFRR_MASK	0xff
    482#define  KVM_REG_PPC_ICP_PPRI_SHIFT	16	/* pending irq priority */
    483#define  KVM_REG_PPC_ICP_PPRI_MASK	0xff
    484
    485#define KVM_REG_PPC_VP_STATE	(KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x8d)
    486
    487/* Device control API: PPC-specific devices */
    488#define KVM_DEV_MPIC_GRP_MISC		1
    489#define   KVM_DEV_MPIC_BASE_ADDR	0	/* 64-bit */
    490
    491#define KVM_DEV_MPIC_GRP_REGISTER	2	/* 32-bit */
    492#define KVM_DEV_MPIC_GRP_IRQ_ACTIVE	3	/* 32-bit */
    493
    494/* One-Reg API: PPC-specific registers */
    495#define KVM_REG_PPC_HIOR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x1)
    496#define KVM_REG_PPC_IAC1	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x2)
    497#define KVM_REG_PPC_IAC2	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x3)
    498#define KVM_REG_PPC_IAC3	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x4)
    499#define KVM_REG_PPC_IAC4	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x5)
    500#define KVM_REG_PPC_DAC1	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x6)
    501#define KVM_REG_PPC_DAC2	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x7)
    502#define KVM_REG_PPC_DABR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x8)
    503#define KVM_REG_PPC_DSCR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x9)
    504#define KVM_REG_PPC_PURR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa)
    505#define KVM_REG_PPC_SPURR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb)
    506#define KVM_REG_PPC_DAR		(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc)
    507#define KVM_REG_PPC_DSISR	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xd)
    508#define KVM_REG_PPC_AMR		(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xe)
    509#define KVM_REG_PPC_UAMOR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xf)
    510
    511#define KVM_REG_PPC_MMCR0	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x10)
    512#define KVM_REG_PPC_MMCR1	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x11)
    513#define KVM_REG_PPC_MMCRA	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x12)
    514#define KVM_REG_PPC_MMCR2	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x13)
    515#define KVM_REG_PPC_MMCRS	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x14)
    516#define KVM_REG_PPC_SIAR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x15)
    517#define KVM_REG_PPC_SDAR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x16)
    518#define KVM_REG_PPC_SIER	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x17)
    519
    520#define KVM_REG_PPC_PMC1	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x18)
    521#define KVM_REG_PPC_PMC2	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x19)
    522#define KVM_REG_PPC_PMC3	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1a)
    523#define KVM_REG_PPC_PMC4	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1b)
    524#define KVM_REG_PPC_PMC5	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1c)
    525#define KVM_REG_PPC_PMC6	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1d)
    526#define KVM_REG_PPC_PMC7	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1e)
    527#define KVM_REG_PPC_PMC8	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1f)
    528
    529/* 32 floating-point registers */
    530#define KVM_REG_PPC_FPR0	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x20)
    531#define KVM_REG_PPC_FPR(n)	(KVM_REG_PPC_FPR0 + (n))
    532#define KVM_REG_PPC_FPR31	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x3f)
    533
    534/* 32 VMX/Altivec vector registers */
    535#define KVM_REG_PPC_VR0		(KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x40)
    536#define KVM_REG_PPC_VR(n)	(KVM_REG_PPC_VR0 + (n))
    537#define KVM_REG_PPC_VR31	(KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x5f)
    538
    539/* 32 double-width FP registers for VSX */
    540/* High-order halves overlap with FP regs */
    541#define KVM_REG_PPC_VSR0	(KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x60)
    542#define KVM_REG_PPC_VSR(n)	(KVM_REG_PPC_VSR0 + (n))
    543#define KVM_REG_PPC_VSR31	(KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x7f)
    544
    545/* FP and vector status/control registers */
    546#define KVM_REG_PPC_FPSCR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x80)
    547/*
    548 * VSCR register is documented as a 32-bit register in the ISA, but it can
    549 * only be accesses via a vector register. Expose VSCR as a 32-bit register
    550 * even though the kernel represents it as a 128-bit vector.
    551 */
    552#define KVM_REG_PPC_VSCR	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x81)
    553
    554/* Virtual processor areas */
    555/* For SLB & DTL, address in high (first) half, length in low half */
    556#define KVM_REG_PPC_VPA_ADDR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x82)
    557#define KVM_REG_PPC_VPA_SLB	(KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x83)
    558#define KVM_REG_PPC_VPA_DTL	(KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x84)
    559
    560#define KVM_REG_PPC_EPCR	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x85)
    561#define KVM_REG_PPC_EPR		(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x86)
    562
    563/* Timer Status Register OR/CLEAR interface */
    564#define KVM_REG_PPC_OR_TSR	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x87)
    565#define KVM_REG_PPC_CLEAR_TSR	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x88)
    566#define KVM_REG_PPC_TCR		(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x89)
    567#define KVM_REG_PPC_TSR		(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x8a)
    568
    569/* Debugging: Special instruction for software breakpoint */
    570#define KVM_REG_PPC_DEBUG_INST	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x8b)
    571
    572/* MMU registers */
    573#define KVM_REG_PPC_MAS0	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x8c)
    574#define KVM_REG_PPC_MAS1	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x8d)
    575#define KVM_REG_PPC_MAS2	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x8e)
    576#define KVM_REG_PPC_MAS7_3	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x8f)
    577#define KVM_REG_PPC_MAS4	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x90)
    578#define KVM_REG_PPC_MAS6	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x91)
    579#define KVM_REG_PPC_MMUCFG	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x92)
    580/*
    581 * TLBnCFG fields TLBnCFG_N_ENTRY and TLBnCFG_ASSOC can be changed only using
    582 * KVM_CAP_SW_TLB ioctl
    583 */
    584#define KVM_REG_PPC_TLB0CFG	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x93)
    585#define KVM_REG_PPC_TLB1CFG	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x94)
    586#define KVM_REG_PPC_TLB2CFG	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x95)
    587#define KVM_REG_PPC_TLB3CFG	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x96)
    588#define KVM_REG_PPC_TLB0PS	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x97)
    589#define KVM_REG_PPC_TLB1PS	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x98)
    590#define KVM_REG_PPC_TLB2PS	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x99)
    591#define KVM_REG_PPC_TLB3PS	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x9a)
    592#define KVM_REG_PPC_EPTCFG	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x9b)
    593
    594/* Timebase offset */
    595#define KVM_REG_PPC_TB_OFFSET	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x9c)
    596
    597/* POWER8 registers */
    598#define KVM_REG_PPC_SPMC1	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x9d)
    599#define KVM_REG_PPC_SPMC2	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x9e)
    600#define KVM_REG_PPC_IAMR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x9f)
    601#define KVM_REG_PPC_TFHAR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa0)
    602#define KVM_REG_PPC_TFIAR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa1)
    603#define KVM_REG_PPC_TEXASR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa2)
    604#define KVM_REG_PPC_FSCR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa3)
    605#define KVM_REG_PPC_PSPB	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xa4)
    606#define KVM_REG_PPC_EBBHR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa5)
    607#define KVM_REG_PPC_EBBRR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa6)
    608#define KVM_REG_PPC_BESCR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa7)
    609#define KVM_REG_PPC_TAR		(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa8)
    610#define KVM_REG_PPC_DPDES	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa9)
    611#define KVM_REG_PPC_DAWR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xaa)
    612#define KVM_REG_PPC_DAWRX	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xab)
    613#define KVM_REG_PPC_CIABR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xac)
    614#define KVM_REG_PPC_IC		(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xad)
    615#define KVM_REG_PPC_VTB		(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xae)
    616#define KVM_REG_PPC_CSIGR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xaf)
    617#define KVM_REG_PPC_TACR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb0)
    618#define KVM_REG_PPC_TCSCR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb1)
    619#define KVM_REG_PPC_PID		(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb2)
    620#define KVM_REG_PPC_ACOP	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb3)
    621
    622#define KVM_REG_PPC_VRSAVE	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xb4)
    623#define KVM_REG_PPC_LPCR	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xb5)
    624#define KVM_REG_PPC_LPCR_64	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb5)
    625#define KVM_REG_PPC_PPR		(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb6)
    626
    627/* Architecture compatibility level */
    628#define KVM_REG_PPC_ARCH_COMPAT	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xb7)
    629
    630#define KVM_REG_PPC_DABRX	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xb8)
    631#define KVM_REG_PPC_WORT	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb9)
    632#define KVM_REG_PPC_SPRG9	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xba)
    633#define KVM_REG_PPC_DBSR	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xbb)
    634
    635/* POWER9 registers */
    636#define KVM_REG_PPC_TIDR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xbc)
    637#define KVM_REG_PPC_PSSCR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xbd)
    638
    639#define KVM_REG_PPC_DEC_EXPIRY	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xbe)
    640#define KVM_REG_PPC_ONLINE	(KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xbf)
    641#define KVM_REG_PPC_PTCR	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc0)
    642
    643/* POWER10 registers */
    644#define KVM_REG_PPC_MMCR3	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc1)
    645#define KVM_REG_PPC_SIER2	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc2)
    646#define KVM_REG_PPC_SIER3	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc3)
    647#define KVM_REG_PPC_DAWR1	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc4)
    648#define KVM_REG_PPC_DAWRX1	(KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc5)
    649
    650/* Transactional Memory checkpointed state:
    651 * This is all GPRs, all VSX regs and a subset of SPRs
    652 */
    653#define KVM_REG_PPC_TM		(KVM_REG_PPC | 0x80000000)
    654/* TM GPRs */
    655#define KVM_REG_PPC_TM_GPR0	(KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0)
    656#define KVM_REG_PPC_TM_GPR(n)	(KVM_REG_PPC_TM_GPR0 + (n))
    657#define KVM_REG_PPC_TM_GPR31	(KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x1f)
    658/* TM VSX */
    659#define KVM_REG_PPC_TM_VSR0	(KVM_REG_PPC_TM | KVM_REG_SIZE_U128 | 0x20)
    660#define KVM_REG_PPC_TM_VSR(n)	(KVM_REG_PPC_TM_VSR0 + (n))
    661#define KVM_REG_PPC_TM_VSR63	(KVM_REG_PPC_TM | KVM_REG_SIZE_U128 | 0x5f)
    662/* TM SPRS */
    663#define KVM_REG_PPC_TM_CR	(KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x60)
    664#define KVM_REG_PPC_TM_LR	(KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x61)
    665#define KVM_REG_PPC_TM_CTR	(KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x62)
    666#define KVM_REG_PPC_TM_FPSCR	(KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x63)
    667#define KVM_REG_PPC_TM_AMR	(KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x64)
    668#define KVM_REG_PPC_TM_PPR	(KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x65)
    669#define KVM_REG_PPC_TM_VRSAVE	(KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x66)
    670#define KVM_REG_PPC_TM_VSCR	(KVM_REG_PPC_TM | KVM_REG_SIZE_U32 | 0x67)
    671#define KVM_REG_PPC_TM_DSCR	(KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x68)
    672#define KVM_REG_PPC_TM_TAR	(KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x69)
    673#define KVM_REG_PPC_TM_XER	(KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x6a)
    674
    675/* PPC64 eXternal Interrupt Controller Specification */
    676#define KVM_DEV_XICS_GRP_SOURCES	1	/* 64-bit source attributes */
    677#define KVM_DEV_XICS_GRP_CTRL		2
    678#define   KVM_DEV_XICS_NR_SERVERS	1
    679
    680/* Layout of 64-bit source attribute values */
    681#define  KVM_XICS_DESTINATION_SHIFT	0
    682#define  KVM_XICS_DESTINATION_MASK	0xffffffffULL
    683#define  KVM_XICS_PRIORITY_SHIFT	32
    684#define  KVM_XICS_PRIORITY_MASK		0xff
    685#define  KVM_XICS_LEVEL_SENSITIVE	(1ULL << 40)
    686#define  KVM_XICS_MASKED		(1ULL << 41)
    687#define  KVM_XICS_PENDING		(1ULL << 42)
    688#define  KVM_XICS_PRESENTED		(1ULL << 43)
    689#define  KVM_XICS_QUEUED		(1ULL << 44)
    690
    691/* POWER9 XIVE Native Interrupt Controller */
    692#define KVM_DEV_XIVE_GRP_CTRL		1
    693#define   KVM_DEV_XIVE_RESET		1
    694#define   KVM_DEV_XIVE_EQ_SYNC		2
    695#define   KVM_DEV_XIVE_NR_SERVERS	3
    696#define KVM_DEV_XIVE_GRP_SOURCE		2	/* 64-bit source identifier */
    697#define KVM_DEV_XIVE_GRP_SOURCE_CONFIG	3	/* 64-bit source identifier */
    698#define KVM_DEV_XIVE_GRP_EQ_CONFIG	4	/* 64-bit EQ identifier */
    699#define KVM_DEV_XIVE_GRP_SOURCE_SYNC	5       /* 64-bit source identifier */
    700
    701/* Layout of 64-bit XIVE source attribute values */
    702#define KVM_XIVE_LEVEL_SENSITIVE	(1ULL << 0)
    703#define KVM_XIVE_LEVEL_ASSERTED		(1ULL << 1)
    704
    705/* Layout of 64-bit XIVE source configuration attribute values */
    706#define KVM_XIVE_SOURCE_PRIORITY_SHIFT	0
    707#define KVM_XIVE_SOURCE_PRIORITY_MASK	0x7
    708#define KVM_XIVE_SOURCE_SERVER_SHIFT	3
    709#define KVM_XIVE_SOURCE_SERVER_MASK	0xfffffff8ULL
    710#define KVM_XIVE_SOURCE_MASKED_SHIFT	32
    711#define KVM_XIVE_SOURCE_MASKED_MASK	0x100000000ULL
    712#define KVM_XIVE_SOURCE_EISN_SHIFT	33
    713#define KVM_XIVE_SOURCE_EISN_MASK	0xfffffffe00000000ULL
    714
    715/* Layout of 64-bit EQ identifier */
    716#define KVM_XIVE_EQ_PRIORITY_SHIFT	0
    717#define KVM_XIVE_EQ_PRIORITY_MASK	0x7
    718#define KVM_XIVE_EQ_SERVER_SHIFT	3
    719#define KVM_XIVE_EQ_SERVER_MASK		0xfffffff8ULL
    720
    721/* Layout of EQ configuration values (64 bytes) */
    722struct kvm_ppc_xive_eq {
    723	__u32 flags;
    724	__u32 qshift;
    725	__u64 qaddr;
    726	__u32 qtoggle;
    727	__u32 qindex;
    728	__u8  pad[40];
    729};
    730
    731#define KVM_XIVE_EQ_ALWAYS_NOTIFY	0x00000001
    732
    733#define KVM_XIVE_TIMA_PAGE_OFFSET	0
    734#define KVM_XIVE_ESB_PAGE_OFFSET	4
    735
    736#endif /* __LINUX_KVM_POWERPC_H */