/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. * Copyright (C) 2013 Cavium, Inc. * Authors: Sanjay Lal */ #ifndef __LINUX_KVM_MIPS_H #define __LINUX_KVM_MIPS_H #include /* * KVM MIPS specific structures and definitions. * * Some parts derived from the x86 version of this file. */ /* * for KVM_GET_REGS and KVM_SET_REGS * * If Config[AT] is zero (32-bit CPU), the register contents are * stored in the lower 32-bits of the struct kvm_regs fields and sign * extended to 64-bits. */ struct kvm_regs { /* out (KVM_GET_REGS) / in (KVM_SET_REGS) */ __u64 gpr[32]; __u64 hi; __u64 lo; __u64 pc; }; /* * for KVM_GET_FPU and KVM_SET_FPU * * If Status[FR] is zero (32-bit FPU), the upper 32-bits of the FPRs * are zero filled. */ struct kvm_fpu { __u64 fpr[32]; __u32 fir; __u32 fccr; __u32 fexr; __u32 fenr; __u32 fcsr; __u32 pad; }; /* * For MIPS, we use KVM_SET_ONE_REG and KVM_GET_ONE_REG to access CP0 * registers. The id field is broken down as follows: * * bits[2..0] - Register 'sel' index. * bits[7..3] - Register 'rd' index. * bits[15..8] - Must be zero. * bits[31..16] - 1 -> CP0 registers. * bits[51..32] - Must be zero. * bits[63..52] - As per linux/kvm.h * * Other sets registers may be added in the future. Each set would * have its own identifier in bits[31..16]. * * The registers defined in struct kvm_regs are also accessible, the * id values for these are below. */ #define KVM_REG_MIPS_R0 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 0) #define KVM_REG_MIPS_R1 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 1) #define KVM_REG_MIPS_R2 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 2) #define KVM_REG_MIPS_R3 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 3) #define KVM_REG_MIPS_R4 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 4) #define KVM_REG_MIPS_R5 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 5) #define KVM_REG_MIPS_R6 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 6) #define KVM_REG_MIPS_R7 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 7) #define KVM_REG_MIPS_R8 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 8) #define KVM_REG_MIPS_R9 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 9) #define KVM_REG_MIPS_R10 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 10) #define KVM_REG_MIPS_R11 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 11) #define KVM_REG_MIPS_R12 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 12) #define KVM_REG_MIPS_R13 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 13) #define KVM_REG_MIPS_R14 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 14) #define KVM_REG_MIPS_R15 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 15) #define KVM_REG_MIPS_R16 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 16) #define KVM_REG_MIPS_R17 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 17) #define KVM_REG_MIPS_R18 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 18) #define KVM_REG_MIPS_R19 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 19) #define KVM_REG_MIPS_R20 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 20) #define KVM_REG_MIPS_R21 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 21) #define KVM_REG_MIPS_R22 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 22) #define KVM_REG_MIPS_R23 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 23) #define KVM_REG_MIPS_R24 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 24) #define KVM_REG_MIPS_R25 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 25) #define KVM_REG_MIPS_R26 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 26) #define KVM_REG_MIPS_R27 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 27) #define KVM_REG_MIPS_R28 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 28) #define KVM_REG_MIPS_R29 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 29) #define KVM_REG_MIPS_R30 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 30) #define KVM_REG_MIPS_R31 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 31) #define KVM_REG_MIPS_HI (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 32) #define KVM_REG_MIPS_LO (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 33) #define KVM_REG_MIPS_PC (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 34) /* * KVM MIPS specific structures and definitions * */ struct kvm_debug_exit_arch { __u64 epc; }; /* for KVM_SET_GUEST_DEBUG */ struct kvm_guest_debug_arch { }; /* definition of registers in kvm_run */ struct kvm_sync_regs { }; /* dummy definition */ struct kvm_sregs { }; struct kvm_mips_interrupt { /* in */ __u32 cpu; __u32 irq; }; #endif /* __LINUX_KVM_MIPS_H */