| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164 | /* * kvm_host.h: used for kvm module, and hold ia64-specific sections. * * Copyright (C) 2007, Intel Corporation. * * Xiantao Zhang <xiantao.zhang@intel.com> * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., 59 Temple * Place - Suite 330, Boston, MA 02111-1307 USA. * */#ifndef __ASM_KVM_HOST_H#define __ASM_KVM_HOST_H#define KVM_MEMORY_SLOTS 32/* memory slots that does not exposed to userspace */#define KVM_PRIVATE_MEM_SLOTS 4#define KVM_COALESCED_MMIO_PAGE_OFFSET 1/* define exit reasons from vmm to kvm*/#define EXIT_REASON_VM_PANIC		0#define EXIT_REASON_MMIO_INSTRUCTION	1#define EXIT_REASON_PAL_CALL		2#define EXIT_REASON_SAL_CALL		3#define EXIT_REASON_SWITCH_RR6		4#define EXIT_REASON_VM_DESTROY		5#define EXIT_REASON_EXTERNAL_INTERRUPT	6#define EXIT_REASON_IPI			7#define EXIT_REASON_PTC_G		8#define EXIT_REASON_DEBUG		20/*Define vmm address space and vm data space.*/#define KVM_VMM_SIZE (__IA64_UL_CONST(16)<<20)#define KVM_VMM_SHIFT 24#define KVM_VMM_BASE 0xD000000000000000#define VMM_SIZE (__IA64_UL_CONST(8)<<20)/* * Define vm_buffer, used by PAL Services, base address. * Note: vm_buffer is in the VMM-BLOCK, the size must be < 8M */#define KVM_VM_BUFFER_BASE (KVM_VMM_BASE + VMM_SIZE)#define KVM_VM_BUFFER_SIZE (__IA64_UL_CONST(8)<<20)/* * kvm guest's data area looks as follow: * *            +----------------------+	-------	KVM_VM_DATA_SIZE *	      |	    vcpu[n]'s data   |	 |     ___________________KVM_STK_OFFSET *     	      |			     |	 |    /			  | *     	      |	       ..........    |	 |   /vcpu's struct&stack | *     	      |	       ..........    |	 |  /---------------------|---- 0 *	      |	    vcpu[5]'s data   |	 | /	   vpd		  | *	      |	    vcpu[4]'s data   |	 |/-----------------------| *	      |	    vcpu[3]'s data   |	 /	   vtlb		  | *	      |	    vcpu[2]'s data   |	/|------------------------| *	      |	    vcpu[1]'s data   |/  |	   vhpt		  | *	      |	    vcpu[0]'s data   |____________________________| *            +----------------------+	 | *	      |	   memory dirty log  |	 | *            +----------------------+	 | *	      |	   vm's data struct  |	 | *            +----------------------+	 | *	      |			     |	 | *	      |			     |	 | *	      |			     |	 | *	      |			     |	 | *	      |			     |	 | *	      |			     |	 | *	      |			     |	 | *	      |	  vm's p2m table  |	 | *	      |			     |	 | *            |			     |	 | *	      |			     |	 |  | * vm's data->|			     |   |  | *	      +----------------------+ ------- 0 * To support large memory, needs to increase the size of p2m. * To support more vcpus, needs to ensure it has enough space to * hold vcpus' data. */#define KVM_VM_DATA_SHIFT	26#define KVM_VM_DATA_SIZE	(__IA64_UL_CONST(1) << KVM_VM_DATA_SHIFT)#define KVM_VM_DATA_BASE	(KVM_VMM_BASE + KVM_VM_DATA_SIZE)#define KVM_P2M_BASE		KVM_VM_DATA_BASE#define KVM_P2M_SIZE		(__IA64_UL_CONST(24) << 20)#define VHPT_SHIFT		16#define VHPT_SIZE		(__IA64_UL_CONST(1) << VHPT_SHIFT)#define VHPT_NUM_ENTRIES	(__IA64_UL_CONST(1) << (VHPT_SHIFT-5))#define VTLB_SHIFT		16#define VTLB_SIZE		(__IA64_UL_CONST(1) << VTLB_SHIFT)#define VTLB_NUM_ENTRIES	(1UL << (VHPT_SHIFT-5))#define VPD_SHIFT		16#define VPD_SIZE		(__IA64_UL_CONST(1) << VPD_SHIFT)#define VCPU_STRUCT_SHIFT	16#define VCPU_STRUCT_SIZE	(__IA64_UL_CONST(1) << VCPU_STRUCT_SHIFT)/* * This must match KVM_IA64_VCPU_STACK_{SHIFT,SIZE} arch/ia64/include/asm/kvm.h */#define KVM_STK_SHIFT		16#define KVM_STK_OFFSET		(__IA64_UL_CONST(1)<< KVM_STK_SHIFT)#define KVM_VM_STRUCT_SHIFT	19#define KVM_VM_STRUCT_SIZE	(__IA64_UL_CONST(1) << KVM_VM_STRUCT_SHIFT)#define KVM_MEM_DIRY_LOG_SHIFT	19#define KVM_MEM_DIRTY_LOG_SIZE (__IA64_UL_CONST(1) << KVM_MEM_DIRY_LOG_SHIFT)#ifndef __ASSEMBLY__/*Define the max vcpus and memory for Guests.*/#define KVM_MAX_VCPUS	(KVM_VM_DATA_SIZE - KVM_P2M_SIZE - KVM_VM_STRUCT_SIZE -\			KVM_MEM_DIRTY_LOG_SIZE) / sizeof(struct kvm_vcpu_data)#define KVM_MAX_MEM_SIZE (KVM_P2M_SIZE >> 3 << PAGE_SHIFT)#define VMM_LOG_LEN 256#include <linux/types.h>#include <linux/mm.h>#include <linux/kvm.h>#include <linux/kvm_para.h>#include <linux/kvm_types.h>#include <asm/pal.h>#include <asm/sal.h>#include <asm/page.h>struct kvm_vcpu_data {	char vcpu_vhpt[VHPT_SIZE];	char vcpu_vtlb[VTLB_SIZE];	char vcpu_vpd[VPD_SIZE];	char vcpu_struct[VCPU_STRUCT_SIZE];};struct kvm_vm_data {	char kvm_p2m[KVM_P2M_SIZE];	char kvm_vm_struct[KVM_VM_STRUCT_SIZE];	char kvm_mem_dirty_log[KVM_MEM_DIRTY_LOG_SIZE];	struct kvm_vcpu_data vcpu_data[KVM_MAX_VCPUS];};#define VCPU_BASE(n)	(KVM_VM_DATA_BASE + \				offsetof(struct kvm_vm_data, vcpu_data[n]))#define KVM_VM_BASE	(KVM_VM_DATA_BASE + \				offsetof(struct kvm_vm_data, kvm_vm_struct))#define KVM_MEM_DIRTY_LOG_BASE	KVM_VM_DATA_BASE + \
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