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/*
* 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 __LINUX_KVM_POWERPC_H
#define __LINUX_KVM_POWERPC_H
#include <linux/types.h>
struct kvm_regs {
__u64 pc;
__u64 cr;
__u64 ctr;
__u64 lr;
__u64 xer;
__u64 msr;
__u64 srr0;
__u64 srr1;
__u64 pid;
__u64 sprg0;
__u64 sprg1;
__u64 sprg2;
__u64 sprg3;
__u64 sprg4;
__u64 sprg5;
__u64 sprg6;
__u64 sprg7;
__u64 gpr[32];
};
#define KVM_SREGS_E_IMPL_NONE 0
#define KVM_SREGS_E_IMPL_FSL 1
#define KVM_SREGS_E_FSL_PIDn (1 << 0) /* PID1/PID2 */
/*
* Feature bits indicate which sections of the sregs struct are valid,
* both in KVM_GET_SREGS and KVM_SET_SREGS. On KVM_SET_SREGS, registers
* corresponding to unset feature bits will not be modified. This allows
* restoring a checkpoint made without that feature, while keeping the
* default values of the new registers.
*
* KVM_SREGS_E_BASE contains:
* CSRR0/1 (refers to SRR2/3 on 40x)
* ESR
* DEAR
* MCSR
* TSR
* TCR
* DEC
* TB
* VRSAVE (USPRG0)
*/
#define KVM_SREGS_E_BASE (1 << 0)
/*
* KVM_SREGS_E_ARCH206 contains:
*
* PIR
* MCSRR0/1
* DECAR
* IVPR
*/
#define KVM_SREGS_E_ARCH206 (1 << 1)
/*
* Contains EPCR, plus the upper half of 64-bit registers
* that are 32-bit on 32-bit implementations.
*/
#define KVM_SREGS_E_64 (1 << 2)
#define KVM_SREGS_E_SPRG8 (1 << 3)
#define KVM_SREGS_E_MCIVPR (1 << 4)
/*
* IVORs are used -- contains IVOR0-15, plus additional IVORs
* in combination with an appropriate feature bit.
*/
#define KVM_SREGS_E_IVOR (1 << 5)
/*
* Contains MAS0-4, MAS6-7, TLBnCFG, MMUCFG.
* Also TLBnPS if MMUCFG[MAVN] = 1.
*/
#define KVM_SREGS_E_ARCH206_MMU (1 << 6)
/* DBSR, DBCR, IAC, DAC, DVC */
#define KVM_SREGS_E_DEBUG (1 << 7)
/* Enhanced debug -- DSRR0/1, SPRG9 */
#define KVM_SREGS_E_ED (1 << 8)
/* Embedded Floating Point (SPE) -- IVOR32-34 if KVM_SREGS_E_IVOR */
#define KVM_SREGS_E_SPE (1 << 9)
/* External Proxy (EXP) -- EPR */
#define KVM_SREGS_EXP (1 << 10)
/* External PID (E.PD) -- EPSC/EPLC */
#define KVM_SREGS_E_PD (1 << 11)
/* Processor Control (E.PC) -- IVOR36-37 if KVM_SREGS_E_IVOR */
#define KVM_SREGS_E_PC (1 << 12)
/* Page table (E.PT) -- EPTCFG */
#define KVM_SREGS_E_PT (1 << 13)
/* Embedded Performance Monitor (E.PM) -- IVOR35 if KVM_SREGS_E_IVOR */
#define KVM_SREGS_E_PM (1 << 14)
/*
* Special updates:
*
* Some registers may change even while a vcpu is not running.
* To avoid losing these changes, by default these registers are
* not updated by KVM_SET_SREGS. To force an update, set the bit
* in u.e.update_special corresponding to the register to be updated.
*
* The update_special field is zero on return from KVM_GET_SREGS.
*
* When restoring a checkpoint, the caller can set update_special
* to 0xffffffff to ensure that everything is restored, even new features
* that the caller doesn't know about.
*/
#define KVM_SREGS_E_UPDATE_MCSR (1 << 0)
#define KVM_SREGS_E_UPDATE_TSR (1 << 1)
#define KVM_SREGS_E_UPDATE_DEC (1 << 2)
#define KVM_SREGS_E_UPDATE_DBSR (1 << 3)
/*
* In KVM_SET_SREGS, reserved/pad fields must be left untouched from a
* previous KVM_GET_REGS.
*
* Unless otherwise indicated, setting any register with KVM_SET_SREGS
* directly sets its value. It does not trigger any special semantics such
* as write-one-to-clear. Calling KVM_SET_SREGS on an unmodified struct
* just received from KVM_GET_SREGS is always a no-op.
*/
struct kvm_sregs {
__u32 pvr;
union {
struct {
__u64 sdr1;
struct {
struct {
__u64 slbe;
__u64 slbv;
} slb[64];
} ppc64;
struct {
__u32 sr[16];
__u64 ibat[8];
__u64 dbat[8];
} ppc32;
} s;
struct {
union {
struct { /* KVM_SREGS_E_IMPL_FSL */
__u32 features; /* KVM_SREGS_E_FSL_ */
__u32 svr;
__u64 mcar;
__u32 hid0;
/* KVM_SREGS_E_FSL_PIDn */
__u32 pid1, pid2;
} fsl;
__u8 pad[256];
} impl;
__u32 features; /* KVM_SREGS_E_ */
__u32 impl_id; /* KVM_SREGS_E_IMPL_ */
__u32 update_special; /* KVM_SREGS_E_UPDATE_ */
__u32 pir; /* read-only */
__u64 sprg8;
__u64 sprg9; /* E.ED */
__u64 csrr0;
__u64 dsrr0; /* E.ED */
__u64 mcsrr0;
__u32 csrr1;
__u32 dsrr1; /* E.ED */
__u32 mcsrr1;
__u32 esr;
__u64 dear;
__u64 ivpr;
__u64 mcivpr;
__u64 mcsr; /* KVM_SREGS_E_UPDATE_MCSR */
__u32 tsr; /* KVM_SREGS_E_UPDATE_TSR */
__u32 tcr;
__u32 decar;
__u32 dec; /* KVM_SREGS_E_UPDATE_DEC */
/*
* Userspace can read TB directly, but the
* value reported here is consistent with "dec".
*
* Read-only.
*/
__u64 tb;
__u32 dbsr; /* KVM_SREGS_E_UPDATE_DBSR */
__u32 dbcr[3];
__u32 iac[4];
__u32 dac[2];
__u32 dvc[2];
__u8 num_iac; /* read-only */
__u8 num_dac; /* read-only */
__u8 num_dvc; /* read-only */
__u8 pad;
__u32 epr; /* EXP */
__u32 vrsave; /* a.k.a. USPRG0 */
__u32 epcr; /* KVM_SREGS_E_64 */
__u32 mas0;
__u32 mas1;
__u64 mas2;
__u64 mas7_3;
__u32 mas4;
__u32 mas6;
__u32 ivor_low[16]; /* IVOR0-15 */
__u32 ivor_high[18]; /* IVOR32+, plus room to expand */
__u32 mmucfg; /* read-only */
__u32 eptcfg; /* E.PT, read-only */
__u32 tlbcfg[4];/* read-only */
__u32 tlbps[4]; /* read-only */
__u32 eplc, epsc; /* E.PD */
} e;
__u8 pad[1020];
} u;
};
struct kvm_fpu {
__u64 fpr[32];
};
struct kvm_debug_exit_arch {
};
/* for KVM_SET_GUEST_DEBUG */
struct kvm_guest_debug_arch {
};
#define KVM_REG_MASK 0x001f
#define KVM_REG_EXT_MASK 0xffe0
#define KVM_REG_GPR 0x0000
#define KVM_REG_FPR 0x0020
#define KVM_REG_QPR 0x0040
#define KVM_REG_FQPR 0x0060
#define KVM_INTERRUPT_SET -1U
#define KVM_INTERRUPT_UNSET -2U
#define KVM_INTERRUPT_SET_LEVEL -3U
#endif /* __LINUX_KVM_POWERPC_H */
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