arch/powerpc/include/asm/kvm.h - kernel/mindspeed - Git at Google

 /*
  * 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>

 /* Select powerpc specific features in <linux/kvm.h> */
 #define __KVM_HAVE_SPAPR_TCE
 #define __KVM_HAVE_PPC_SMT

 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

 #define KVM_CPU_440		1
 #define KVM_CPU_E500V2		2
 #define KVM_CPU_3S_32		3
 #define KVM_CPU_3S_64		4

 /* for KVM_CAP_SPAPR_TCE */
 struct kvm_create_spapr_tce {
 	__u64 liobn;
 	__u32 window_size;
 };

 /* for KVM_ALLOCATE_RMA */
 struct kvm_allocate_rma {
 	__u64 rma_size;
 };

 #endif /* __LINUX_KVM_POWERPC_H */
	/*
	* 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>

	/* Select powerpc specific features in <linux/kvm.h> */
	#define __KVM_HAVE_SPAPR_TCE
	#define __KVM_HAVE_PPC_SMT

	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

	#define KVM_CPU_440 1
	#define KVM_CPU_E500V2 2
	#define KVM_CPU_3S_32 3
	#define KVM_CPU_3S_64 4

	/* for KVM_CAP_SPAPR_TCE */
	struct kvm_create_spapr_tce {
	__u64 liobn;
	__u32 window_size;
	};

	/* for KVM_ALLOCATE_RMA */
	struct kvm_allocate_rma {
	__u64 rma_size;
	};

	#endif /* __LINUX_KVM_POWERPC_H */