117 lines
4.2 KiB
C
117 lines
4.2 KiB
C
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#ifndef _ASM_E2K_KVM_HEAD_H
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#define _ASM_E2K_KVM_HEAD_H
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#include <linux/types.h>
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/*
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* Kernel virtual memory layout
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*/
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#ifdef CONFIG_VIRTUALIZATION
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/*
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* it can be:
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* paravirtualized host and guest kernel
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* native host kernel with virtualization support
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* pure guest kernel (not paravirtualized based on pv_ops)
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*/
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/* 0x0000 e200 0000 0000 - 0x0000 e200 3fff ffff host image area + modules */
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#define HOST_KERNEL_IMAGE_AREA_BASE NATIVE_KERNEL_IMAGE_AREA_BASE
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/* 0x0000 2e00 0000 0000 - 0x0000 2e00 3fff ffff shadow host image area + */
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/* modules at guest space */
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#define SHADOW_KERNEL_IMAGE_AREA_BASE 0x00002e0000000000
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#endif /* CONFIG_VIRTUALIZATION */
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#if !defined(CONFIG_VIRTUALIZATION)
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/* it is native kernel without any virtualization */
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#include <asm/pv_info.h>
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#define E2K_KERNEL_IMAGE_AREA_BASE NATIVE_KERNEL_IMAGE_AREA_BASE
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#elif !defined(CONFIG_PARAVIRT_GUEST) && !defined(CONFIG_KVM_GUEST_KERNEL)
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/* it is native host kernel with virtualization support */
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#define E2K_KERNEL_IMAGE_AREA_BASE HOST_KERNEL_IMAGE_AREA_BASE
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#define GUEST_KERNEL_IMAGE_AREA_BASE SHADOW_KERNEL_IMAGE_AREA_BASE
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#elif defined(CONFIG_KVM_GUEST_KERNEL)
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/* it is pure guest kernel (not paravirtualized based on pv_ops) */
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#include <asm/kvm/guest/pv_info.h>
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#define E2K_KERNEL_IMAGE_AREA_BASE GUEST_KERNEL_IMAGE_AREA_BASE
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#define GUEST_KERNEL_IMAGE_AREA_BASE SHADOW_KERNEL_IMAGE_AREA_BASE
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#elif defined(CONFIG_PARAVIRT_GUEST)
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/* it is paravirtualized host and guest kernel */
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#include <asm/paravirt/pv_info.h>
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#define E2K_KERNEL_IMAGE_AREA_BASE HOST_KERNEL_IMAGE_AREA_BASE
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#define GUEST_KERNEL_IMAGE_AREA_BASE NATIVE_KERNEL_IMAGE_AREA_BASE
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#else
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#error "Unknown virtualization type"
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#endif /* ! CONFIG_VIRTUALIZATION */
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#ifdef CONFIG_VIRTUALIZATION
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#ifndef __ASSEMBLY__
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#include <asm/kvm/guest.h>
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#endif /* !__ASSEMBLY__ */
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#define HOST_KERNEL_PHYS_MEM_VIRT_BASE HOST_PAGE_OFFSET /* 0x0000c000 ... */
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#define GUEST_KERNEL_PHYS_MEM_VIRT_BASE GUEST_PAGE_OFFSET /* 0x00002000 ... */
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#define GUEST_IO_PORTS_VIRT_BASE 0x00003f7e7e000000UL
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#define GUEST_NBSR_BASE THE_NODE_NBSR_PHYS_BASE(0);
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/*
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* Guest physical memory (RAM) is emulated as one or more host virtual
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* contigous areas (gfn + GUEST_PAGE_OFFSET)
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*
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* Probably it should be different for different architecture release
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* 0x0000 0000 0000 0000 - 0x0000 00ef ffff ffff now limited like this,
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* 0x0000 2000 0000 0000 - 0x0000 20ff ffff ffff but limit can be decremented
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*/
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#define GUEST_RAM_PHYS_BASE 0x0000000000000000UL
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#define GUEST_MAX_RAM_SIZE 0x000000f000000000UL
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#define GUEST_RAM_VIRT_BASE \
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(GUEST_RAM_PHYS_BASE + GUEST_PAGE_OFFSET)
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/*
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* Virtual memory (VRAM) is used to emulate VCPUs (CPU, MMU, SIC, VIRQ VCPU,
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* other hardware) registers, tables, structures.
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* Now it should be of size to locate VCPU state and CUT of guest kernel
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*
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* WARNING: VRAM physical base should not intersects with real physical
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* memory address space layout. Probably it should be different for different
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* architecture
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* 0x0000 00ff 0000 0000 - 0x0000 00ff 00ff ffff should not be valid for
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* 0x0000 20ff 0000 0000 - 0x0000 20ff 00ff ffff real memory layout
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*/
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/* Macros defines VRAM for one VCPU or VIRQ VCPU, */
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/* but VRAM should be created for all VCPU and VIRQ VCPU */
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#define GUEST_ONE_VCPU_VRAM_SIZE sizeof(kvm_vcpu_state_t)
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#define HOST_INFO_VCPU_VRAM_SIZE sizeof(kvm_host_info_t)
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#define GUEST_VCPU_VRAM_PHYS_BASE 0x000000ff00000000UL
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#define GUEST_MAX_VCPU_VRAM_SIZE 0x0000000001000000UL
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#define GUEST_VCPU_VRAM_VIRT_BASE \
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(GUEST_VCPU_VRAM_PHYS_BASE + GUEST_PAGE_OFFSET)
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/*
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* Virtual IO memory (IO-VRAM) is used to emulate ISA, VGA low memory ...
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* Now this memory is used only to emulate VGA low memory
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*
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* WARNING: IO-VRAM physical base should not intersects with real physical
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* memory address space layout and VRAM.
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* Probably it should be different for different architecture release
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* 0x0000 00ff 0100 0000 - 0x0000 00ff 010f ffff should not be valid for
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* 0x0000 20ff 0100 0000 - 0x0000 20ff 010f ffff real memory layout and VRAM
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*/
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#define GUEST_IO_VRAM_PHYS_BASE 0x000000ff01000000UL
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#define GUEST_IO_VRAM_SIZE 0x0000000000100000UL
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#define GUEST_IO_VRAM_VIRT_BASE \
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(GUEST_IO_VRAM_PHYS_BASE + GUEST_PAGE_OFFSET)
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#endif /* CONFIG_VIRTUALIZATION */
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#endif /* ! _ASM_E2K_KVM_HEAD_H */
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