mirror of
https://github.com/torvalds/linux.git
synced 2025-11-04 10:40:15 +02:00
cee2cfb7d1
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Reviewed-by: Juergen Gross <jgross@suse.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
143 lines
3.9 KiB
C
143 lines
3.9 KiB
C
/*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to
|
|
* deal in the Software without restriction, including without limitation the
|
|
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
|
* sell copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
* DEALINGS IN THE SOFTWARE.
|
|
*
|
|
* Copyright (c) 2015, Roger Pau Monne <roger.pau@citrix.com>
|
|
*/
|
|
|
|
#ifndef __XEN_PUBLIC_HVM_HVM_VCPU_H__
|
|
#define __XEN_PUBLIC_HVM_HVM_VCPU_H__
|
|
|
|
#include "../xen.h"
|
|
|
|
struct vcpu_hvm_x86_32 {
|
|
uint32_t eax;
|
|
uint32_t ecx;
|
|
uint32_t edx;
|
|
uint32_t ebx;
|
|
uint32_t esp;
|
|
uint32_t ebp;
|
|
uint32_t esi;
|
|
uint32_t edi;
|
|
uint32_t eip;
|
|
uint32_t eflags;
|
|
|
|
uint32_t cr0;
|
|
uint32_t cr3;
|
|
uint32_t cr4;
|
|
|
|
uint32_t pad1;
|
|
|
|
/*
|
|
* EFER should only be used to set the NXE bit (if required)
|
|
* when starting a vCPU in 32bit mode with paging enabled or
|
|
* to set the LME/LMA bits in order to start the vCPU in
|
|
* compatibility mode.
|
|
*/
|
|
uint64_t efer;
|
|
|
|
uint32_t cs_base;
|
|
uint32_t ds_base;
|
|
uint32_t ss_base;
|
|
uint32_t es_base;
|
|
uint32_t tr_base;
|
|
uint32_t cs_limit;
|
|
uint32_t ds_limit;
|
|
uint32_t ss_limit;
|
|
uint32_t es_limit;
|
|
uint32_t tr_limit;
|
|
uint16_t cs_ar;
|
|
uint16_t ds_ar;
|
|
uint16_t ss_ar;
|
|
uint16_t es_ar;
|
|
uint16_t tr_ar;
|
|
|
|
uint16_t pad2[3];
|
|
};
|
|
|
|
/*
|
|
* The layout of the _ar fields of the segment registers is the
|
|
* following:
|
|
*
|
|
* Bits [0,3]: type (bits 40-43).
|
|
* Bit 4: s (descriptor type, bit 44).
|
|
* Bit [5,6]: dpl (descriptor privilege level, bits 45-46).
|
|
* Bit 7: p (segment-present, bit 47).
|
|
* Bit 8: avl (available for system software, bit 52).
|
|
* Bit 9: l (64-bit code segment, bit 53).
|
|
* Bit 10: db (meaning depends on the segment, bit 54).
|
|
* Bit 11: g (granularity, bit 55)
|
|
* Bits [12,15]: unused, must be blank.
|
|
*
|
|
* A more complete description of the meaning of this fields can be
|
|
* obtained from the Intel SDM, Volume 3, section 3.4.5.
|
|
*/
|
|
|
|
struct vcpu_hvm_x86_64 {
|
|
uint64_t rax;
|
|
uint64_t rcx;
|
|
uint64_t rdx;
|
|
uint64_t rbx;
|
|
uint64_t rsp;
|
|
uint64_t rbp;
|
|
uint64_t rsi;
|
|
uint64_t rdi;
|
|
uint64_t rip;
|
|
uint64_t rflags;
|
|
|
|
uint64_t cr0;
|
|
uint64_t cr3;
|
|
uint64_t cr4;
|
|
uint64_t efer;
|
|
|
|
/*
|
|
* Using VCPU_HVM_MODE_64B implies that the vCPU is launched
|
|
* directly in long mode, so the cached parts of the segment
|
|
* registers get set to match that environment.
|
|
*
|
|
* If the user wants to launch the vCPU in compatibility mode
|
|
* the 32-bit structure should be used instead.
|
|
*/
|
|
};
|
|
|
|
struct vcpu_hvm_context {
|
|
#define VCPU_HVM_MODE_32B 0 /* 32bit fields of the structure will be used. */
|
|
#define VCPU_HVM_MODE_64B 1 /* 64bit fields of the structure will be used. */
|
|
uint32_t mode;
|
|
|
|
uint32_t pad;
|
|
|
|
/* CPU registers. */
|
|
union {
|
|
struct vcpu_hvm_x86_32 x86_32;
|
|
struct vcpu_hvm_x86_64 x86_64;
|
|
} cpu_regs;
|
|
};
|
|
typedef struct vcpu_hvm_context vcpu_hvm_context_t;
|
|
|
|
#endif /* __XEN_PUBLIC_HVM_HVM_VCPU_H__ */
|
|
|
|
/*
|
|
* Local variables:
|
|
* mode: C
|
|
* c-file-style: "BSD"
|
|
* c-basic-offset: 4
|
|
* tab-width: 4
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*/
|