333 lines
7.8 KiB
C
333 lines
7.8 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 __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;
|
|
};
|
|
|
|
struct kvm_book3e_206_tlb_entry {
|
|
__u32 mas8;
|
|
__u32 mas1;
|
|
__u64 mas2;
|
|
__u64 mas7_3;
|
|
};
|
|
|
|
struct kvm_book3e_206_tlb_params {
|
|
/*
|
|
* For mmu types KVM_MMU_FSL_BOOKE_NOHV and KVM_MMU_FSL_BOOKE_HV:
|
|
*
|
|
* - The number of ways of TLB0 must be a power of two between 2 and
|
|
* 16.
|
|
* - TLB1 must be fully associative.
|
|
* - The size of TLB0 must be a multiple of the number of ways, and
|
|
* the number of sets must be a power of two.
|
|
* - The size of TLB1 may not exceed 64 entries.
|
|
* - TLB0 supports 4 KiB pages.
|
|
* - The page sizes supported by TLB1 are as indicated by
|
|
* TLB1CFG (if MMUCFG[MAVN] = 0) or TLB1PS (if MMUCFG[MAVN] = 1)
|
|
* as returned by KVM_GET_SREGS.
|
|
* - TLB2 and TLB3 are reserved, and their entries in tlb_sizes[]
|
|
* and tlb_ways[] must be zero.
|
|
*
|
|
* tlb_ways[n] = tlb_sizes[n] means the array is fully associative.
|
|
*
|
|
* KVM will adjust TLBnCFG based on the sizes configured here,
|
|
* though arrays greater than 2048 entries will have TLBnCFG[NENTRY]
|
|
* set to zero.
|
|
*/
|
|
__u32 tlb_sizes[4];
|
|
__u32 tlb_ways[4];
|
|
__u32 reserved[8];
|
|
};
|
|
|
|
#define KVM_ONE_REG_PPC_HIOR KVM_ONE_REG_PPC | 0x100
|
|
|
|
#endif /* __LINUX_KVM_POWERPC_H */
|