zig/lib/libc/include/riscv-linux-any/asm/kvm.h
Andrew Kelley 19eaf54bc9 update libc linux headers to v5.16-rc3
* Add missing Linux headers. Closes #9837
 * Update existing headers to latest Linux.
 * Consolidate headers that are the same for multiple Zig target CPU
   architectures. For example, Linux has only an x86 directory for both
   x86_64 and x86 CPU architectures. Now Zig only ships an x86 directory
   for Linux headers, and will emit the proper corresponding -isystem
   flags.
 * tools/update-linux-headers.zig is now available for upgrading to
   newer Linux headers, and the update process is now documented on the
   wiki.
2021-11-29 18:05:11 -07:00

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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Copyright (C) 2019 Western Digital Corporation or its affiliates.
*
* Authors:
* Anup Patel <anup.patel@wdc.com>
*/
#ifndef __LINUX_KVM_RISCV_H
#define __LINUX_KVM_RISCV_H
#ifndef __ASSEMBLY__
#include <linux/types.h>
#include <asm/ptrace.h>
#define __KVM_HAVE_READONLY_MEM
#define KVM_COALESCED_MMIO_PAGE_OFFSET 1
#define KVM_INTERRUPT_SET -1U
#define KVM_INTERRUPT_UNSET -2U
/* for KVM_GET_REGS and KVM_SET_REGS */
struct kvm_regs {
};
/* for KVM_GET_FPU and KVM_SET_FPU */
struct kvm_fpu {
};
/* KVM Debug exit structure */
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 {
};
/* for KVM_GET_SREGS and KVM_SET_SREGS */
struct kvm_sregs {
};
/* CONFIG registers for KVM_GET_ONE_REG and KVM_SET_ONE_REG */
struct kvm_riscv_config {
unsigned long isa;
};
/* CORE registers for KVM_GET_ONE_REG and KVM_SET_ONE_REG */
struct kvm_riscv_core {
struct user_regs_struct regs;
unsigned long mode;
};
/* Possible privilege modes for kvm_riscv_core */
#define KVM_RISCV_MODE_S 1
#define KVM_RISCV_MODE_U 0
/* CSR registers for KVM_GET_ONE_REG and KVM_SET_ONE_REG */
struct kvm_riscv_csr {
unsigned long sstatus;
unsigned long sie;
unsigned long stvec;
unsigned long sscratch;
unsigned long sepc;
unsigned long scause;
unsigned long stval;
unsigned long sip;
unsigned long satp;
unsigned long scounteren;
};
/* TIMER registers for KVM_GET_ONE_REG and KVM_SET_ONE_REG */
struct kvm_riscv_timer {
__u64 frequency;
__u64 time;
__u64 compare;
__u64 state;
};
/* Possible states for kvm_riscv_timer */
#define KVM_RISCV_TIMER_STATE_OFF 0
#define KVM_RISCV_TIMER_STATE_ON 1
#define KVM_REG_SIZE(id) \
(1U << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT))
/* If you need to interpret the index values, here is the key: */
#define KVM_REG_RISCV_TYPE_MASK 0x00000000FF000000
#define KVM_REG_RISCV_TYPE_SHIFT 24
/* Config registers are mapped as type 1 */
#define KVM_REG_RISCV_CONFIG (0x01 << KVM_REG_RISCV_TYPE_SHIFT)
#define KVM_REG_RISCV_CONFIG_REG(name) \
(offsetof(struct kvm_riscv_config, name) / sizeof(unsigned long))
/* Core registers are mapped as type 2 */
#define KVM_REG_RISCV_CORE (0x02 << KVM_REG_RISCV_TYPE_SHIFT)
#define KVM_REG_RISCV_CORE_REG(name) \
(offsetof(struct kvm_riscv_core, name) / sizeof(unsigned long))
/* Control and status registers are mapped as type 3 */
#define KVM_REG_RISCV_CSR (0x03 << KVM_REG_RISCV_TYPE_SHIFT)
#define KVM_REG_RISCV_CSR_REG(name) \
(offsetof(struct kvm_riscv_csr, name) / sizeof(unsigned long))
/* Timer registers are mapped as type 4 */
#define KVM_REG_RISCV_TIMER (0x04 << KVM_REG_RISCV_TYPE_SHIFT)
#define KVM_REG_RISCV_TIMER_REG(name) \
(offsetof(struct kvm_riscv_timer, name) / sizeof(__u64))
/* F extension registers are mapped as type 5 */
#define KVM_REG_RISCV_FP_F (0x05 << KVM_REG_RISCV_TYPE_SHIFT)
#define KVM_REG_RISCV_FP_F_REG(name) \
(offsetof(struct __riscv_f_ext_state, name) / sizeof(__u32))
/* D extension registers are mapped as type 6 */
#define KVM_REG_RISCV_FP_D (0x06 << KVM_REG_RISCV_TYPE_SHIFT)
#define KVM_REG_RISCV_FP_D_REG(name) \
(offsetof(struct __riscv_d_ext_state, name) / sizeof(__u64))
#endif
#endif /* __LINUX_KVM_RISCV_H */