xen/pvh: Import PVH-related Xen public interfaces
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>zero-colors
Boris Ostrovsky
parent
063334f305
commit
cee2cfb7d1
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@ -192,10 +192,20 @@
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*/
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#define XEN_ELFNOTE_SUPPORTED_FEATURES 17
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/*
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* Physical entry point into the kernel.
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*
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* 32bit entry point into the kernel. When requested to launch the
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* guest kernel in a HVM container, Xen will use this entry point to
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* launch the guest in 32bit protected mode with paging disabled.
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* Ignored otherwise.
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*/
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#define XEN_ELFNOTE_PHYS32_ENTRY 18
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/*
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* The number of the highest elfnote defined.
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*/
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#define XEN_ELFNOTE_MAX XEN_ELFNOTE_SUPPORTED_FEATURES
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#define XEN_ELFNOTE_MAX XEN_ELFNOTE_PHYS32_ENTRY
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#endif /* __XEN_PUBLIC_ELFNOTE_H__ */
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@ -0,0 +1,143 @@
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/*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Copyright (c) 2015, Roger Pau Monne <roger.pau@citrix.com>
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*/
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#ifndef __XEN_PUBLIC_HVM_HVM_VCPU_H__
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#define __XEN_PUBLIC_HVM_HVM_VCPU_H__
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#include "../xen.h"
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struct vcpu_hvm_x86_32 {
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uint32_t eax;
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uint32_t ecx;
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uint32_t edx;
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uint32_t ebx;
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uint32_t esp;
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uint32_t ebp;
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uint32_t esi;
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uint32_t edi;
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uint32_t eip;
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uint32_t eflags;
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uint32_t cr0;
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uint32_t cr3;
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uint32_t cr4;
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uint32_t pad1;
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/*
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* EFER should only be used to set the NXE bit (if required)
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* when starting a vCPU in 32bit mode with paging enabled or
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* to set the LME/LMA bits in order to start the vCPU in
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* compatibility mode.
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*/
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uint64_t efer;
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uint32_t cs_base;
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uint32_t ds_base;
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uint32_t ss_base;
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uint32_t es_base;
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uint32_t tr_base;
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uint32_t cs_limit;
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uint32_t ds_limit;
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uint32_t ss_limit;
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uint32_t es_limit;
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uint32_t tr_limit;
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uint16_t cs_ar;
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uint16_t ds_ar;
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uint16_t ss_ar;
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uint16_t es_ar;
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uint16_t tr_ar;
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uint16_t pad2[3];
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};
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/*
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* The layout of the _ar fields of the segment registers is the
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* following:
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*
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* Bits [0,3]: type (bits 40-43).
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* Bit 4: s (descriptor type, bit 44).
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* Bit [5,6]: dpl (descriptor privilege level, bits 45-46).
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* Bit 7: p (segment-present, bit 47).
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* Bit 8: avl (available for system software, bit 52).
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* Bit 9: l (64-bit code segment, bit 53).
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* Bit 10: db (meaning depends on the segment, bit 54).
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* Bit 11: g (granularity, bit 55)
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* Bits [12,15]: unused, must be blank.
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*
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* A more complete description of the meaning of this fields can be
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* obtained from the Intel SDM, Volume 3, section 3.4.5.
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*/
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struct vcpu_hvm_x86_64 {
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uint64_t rax;
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uint64_t rcx;
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uint64_t rdx;
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uint64_t rbx;
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uint64_t rsp;
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uint64_t rbp;
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uint64_t rsi;
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uint64_t rdi;
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uint64_t rip;
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uint64_t rflags;
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uint64_t cr0;
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uint64_t cr3;
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uint64_t cr4;
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uint64_t efer;
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/*
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* Using VCPU_HVM_MODE_64B implies that the vCPU is launched
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* directly in long mode, so the cached parts of the segment
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* registers get set to match that environment.
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*
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* If the user wants to launch the vCPU in compatibility mode
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* the 32-bit structure should be used instead.
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*/
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};
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struct vcpu_hvm_context {
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#define VCPU_HVM_MODE_32B 0 /* 32bit fields of the structure will be used. */
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#define VCPU_HVM_MODE_64B 1 /* 64bit fields of the structure will be used. */
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uint32_t mode;
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uint32_t pad;
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/* CPU registers. */
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union {
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struct vcpu_hvm_x86_32 x86_32;
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struct vcpu_hvm_x86_64 x86_64;
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} cpu_regs;
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};
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typedef struct vcpu_hvm_context vcpu_hvm_context_t;
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#endif /* __XEN_PUBLIC_HVM_HVM_VCPU_H__ */
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/*
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* Local variables:
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* mode: C
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* c-file-style: "BSD"
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* c-basic-offset: 4
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* tab-width: 4
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* indent-tabs-mode: nil
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* End:
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*/
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@ -0,0 +1,98 @@
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/*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Copyright (c) 2016, Citrix Systems, Inc.
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*/
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#ifndef __XEN_PUBLIC_ARCH_X86_HVM_START_INFO_H__
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#define __XEN_PUBLIC_ARCH_X86_HVM_START_INFO_H__
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/*
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* Start of day structure passed to PVH guests and to HVM guests in %ebx.
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*
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* NOTE: nothing will be loaded at physical address 0, so a 0 value in any
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* of the address fields should be treated as not present.
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*
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* 0 +----------------+
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* | magic | Contains the magic value XEN_HVM_START_MAGIC_VALUE
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* | | ("xEn3" with the 0x80 bit of the "E" set).
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* 4 +----------------+
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* | version | Version of this structure. Current version is 0. New
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* | | versions are guaranteed to be backwards-compatible.
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* 8 +----------------+
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* | flags | SIF_xxx flags.
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* 12 +----------------+
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* | nr_modules | Number of modules passed to the kernel.
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* 16 +----------------+
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* | modlist_paddr | Physical address of an array of modules
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* | | (layout of the structure below).
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* 24 +----------------+
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* | cmdline_paddr | Physical address of the command line,
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* | | a zero-terminated ASCII string.
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* 32 +----------------+
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* | rsdp_paddr | Physical address of the RSDP ACPI data structure.
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* 40 +----------------+
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*
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* The layout of each entry in the module structure is the following:
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*
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* 0 +----------------+
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* | paddr | Physical address of the module.
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* 8 +----------------+
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* | size | Size of the module in bytes.
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* 16 +----------------+
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* | cmdline_paddr | Physical address of the command line,
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* | | a zero-terminated ASCII string.
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* 24 +----------------+
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* | reserved |
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* 32 +----------------+
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*
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* The address and sizes are always a 64bit little endian unsigned integer.
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*
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* NB: Xen on x86 will always try to place all the data below the 4GiB
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* boundary.
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*/
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#define XEN_HVM_START_MAGIC_VALUE 0x336ec578
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/*
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* C representation of the x86/HVM start info layout.
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*
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* The canonical definition of this layout is above, this is just a way to
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* represent the layout described there using C types.
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*/
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struct hvm_start_info {
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uint32_t magic; /* Contains the magic value 0x336ec578 */
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/* ("xEn3" with the 0x80 bit of the "E" set).*/
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uint32_t version; /* Version of this structure. */
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uint32_t flags; /* SIF_xxx flags. */
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uint32_t nr_modules; /* Number of modules passed to the kernel. */
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uint64_t modlist_paddr; /* Physical address of an array of */
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/* hvm_modlist_entry. */
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uint64_t cmdline_paddr; /* Physical address of the command line. */
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uint64_t rsdp_paddr; /* Physical address of the RSDP ACPI data */
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/* structure. */
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};
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struct hvm_modlist_entry {
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uint64_t paddr; /* Physical address of the module. */
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uint64_t size; /* Size of the module in bytes. */
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uint64_t cmdline_paddr; /* Physical address of the command line. */
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uint64_t reserved;
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};
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#endif /* __XEN_PUBLIC_ARCH_X86_HVM_START_INFO_H__ */
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Reference in New Issue