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