efb91426af
We'll add a new RISC-V linux-header file, but first let's update all headers. Headers for 'asm-loongarch' were added in this update. Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> Acked-by: Alistair Francis <alistair.francis@wdc.com> Message-ID: <20231218204321.75757-2-dbarboza@ventanamicro.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
109 lines
2.7 KiB
C
109 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
|
|
/*
|
|
* Copyright (C) 2020-2023 Loongson Technology Corporation Limited
|
|
*/
|
|
|
|
#ifndef __UAPI_ASM_LOONGARCH_KVM_H
|
|
#define __UAPI_ASM_LOONGARCH_KVM_H
|
|
|
|
#include <linux/types.h>
|
|
|
|
/*
|
|
* KVM LoongArch specific structures and definitions.
|
|
*
|
|
* Some parts derived from the x86 version of this file.
|
|
*/
|
|
|
|
#define __KVM_HAVE_READONLY_MEM
|
|
|
|
#define KVM_COALESCED_MMIO_PAGE_OFFSET 1
|
|
#define KVM_DIRTY_LOG_PAGE_OFFSET 64
|
|
|
|
/*
|
|
* for KVM_GET_REGS and KVM_SET_REGS
|
|
*/
|
|
struct kvm_regs {
|
|
/* out (KVM_GET_REGS) / in (KVM_SET_REGS) */
|
|
__u64 gpr[32];
|
|
__u64 pc;
|
|
};
|
|
|
|
/*
|
|
* for KVM_GET_FPU and KVM_SET_FPU
|
|
*/
|
|
struct kvm_fpu {
|
|
__u32 fcsr;
|
|
__u64 fcc; /* 8x8 */
|
|
struct kvm_fpureg {
|
|
__u64 val64[4];
|
|
} fpr[32];
|
|
};
|
|
|
|
/*
|
|
* For LoongArch, we use KVM_SET_ONE_REG and KVM_GET_ONE_REG to access various
|
|
* registers. The id field is broken down as follows:
|
|
*
|
|
* bits[63..52] - As per linux/kvm.h
|
|
* bits[51..32] - Must be zero.
|
|
* bits[31..16] - Register set.
|
|
*
|
|
* Register set = 0: GP registers from kvm_regs (see definitions below).
|
|
*
|
|
* Register set = 1: CSR registers.
|
|
*
|
|
* Register set = 2: KVM specific registers (see definitions below).
|
|
*
|
|
* Register set = 3: FPU / SIMD registers (see definitions below).
|
|
*
|
|
* Other sets registers may be added in the future. Each set would
|
|
* have its own identifier in bits[31..16].
|
|
*/
|
|
|
|
#define KVM_REG_LOONGARCH_GPR (KVM_REG_LOONGARCH | 0x00000ULL)
|
|
#define KVM_REG_LOONGARCH_CSR (KVM_REG_LOONGARCH | 0x10000ULL)
|
|
#define KVM_REG_LOONGARCH_KVM (KVM_REG_LOONGARCH | 0x20000ULL)
|
|
#define KVM_REG_LOONGARCH_FPSIMD (KVM_REG_LOONGARCH | 0x30000ULL)
|
|
#define KVM_REG_LOONGARCH_CPUCFG (KVM_REG_LOONGARCH | 0x40000ULL)
|
|
#define KVM_REG_LOONGARCH_MASK (KVM_REG_LOONGARCH | 0x70000ULL)
|
|
#define KVM_CSR_IDX_MASK 0x7fff
|
|
#define KVM_CPUCFG_IDX_MASK 0x7fff
|
|
|
|
/*
|
|
* KVM_REG_LOONGARCH_KVM - KVM specific control registers.
|
|
*/
|
|
|
|
#define KVM_REG_LOONGARCH_COUNTER (KVM_REG_LOONGARCH_KVM | KVM_REG_SIZE_U64 | 1)
|
|
#define KVM_REG_LOONGARCH_VCPU_RESET (KVM_REG_LOONGARCH_KVM | KVM_REG_SIZE_U64 | 2)
|
|
|
|
#define LOONGARCH_REG_SHIFT 3
|
|
#define LOONGARCH_REG_64(TYPE, REG) (TYPE | KVM_REG_SIZE_U64 | (REG << LOONGARCH_REG_SHIFT))
|
|
#define KVM_IOC_CSRID(REG) LOONGARCH_REG_64(KVM_REG_LOONGARCH_CSR, REG)
|
|
#define KVM_IOC_CPUCFG(REG) LOONGARCH_REG_64(KVM_REG_LOONGARCH_CPUCFG, REG)
|
|
|
|
struct kvm_debug_exit_arch {
|
|
};
|
|
|
|
/* 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_iocsr_entry {
|
|
__u32 addr;
|
|
__u32 pad;
|
|
__u64 data;
|
|
};
|
|
|
|
#define KVM_NR_IRQCHIPS 1
|
|
#define KVM_IRQCHIP_NUM_PINS 64
|
|
#define KVM_MAX_CORES 256
|
|
|
|
#endif /* __UAPI_ASM_LOONGARCH_KVM_H */
|