linux-headers/asm-mips/kvm.h

1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
18  * KVM MIPS specific structures and definitions.
28  * If Config[AT] is zero (32-bit CPU), the register contents are
29  * stored in the lower 32-bits of the struct kvm_regs fields and sign
30  * extended to 64-bits.
51  *  bits[63..52] - As per linux/kvm.h
52  *  bits[51..32] - Must be zero.
53  *  bits[31..16] - Register set.
58  *  bits[15..8]  - COP0 register set.
61  *   bits[7..3]   - Register 'rd'  index.
62  *   bits[2..0]   - Register 'sel' index.
65  *   bits[7..0]   - MAAR index.
67  * Register set = 2: KVM specific registers (see definitions below).
82  * KVM_REG_MIPS_GP - General purpose registers from kvm_regs.
124  * KVM_REG_MIPS_CP0 - Coprocessor 0 registers.
133  * KVM_REG_MIPS_KVM - KVM specific control registers.
138  * DC:    Set 0: Master disable CP0_Count and set COUNT_RESUME to now
139  *        Set 1: Master re-enable CP0_Count with unchanged bias, handling timer
152  * disable). Any reads and writes of Count related registers while
168  * KVM_REG_MIPS_FPU - Floating Point and MIPS SIMD Architecture (MSA) registers.
170  *  bits[15..8]  - Register subset (see definitions below).
171  *  bits[7..5]   - Must be zero.
172  *  bits[4..0]   - Register number within register subset.
180  * KVM_REG_MIPS_FPR - Floating point / Vector registers.
187  * KVM_REG_MIPS_FCR - Floating point control registers.
193  * KVM_REG_MIPS_MSACR - MIPS SIMD Architecture (MSA) control registers.
200  * KVM MIPS specific structures and definitions