[PATCH 02/04] qemu-kvm: Add header files for ia64.

Zhang, Xiantao
2009-04-28T09:29:33Z

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>From bbaeed10e1629a1c86a497e5a4e18e5d51b5df69 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <xiantao.zhang@intel.com>
Date: Tue, 28 Apr 2009 15:05:30 +0800
Subject: [PATCH] qemu-kvm: Add header files for ia64.

Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>
---
kvm/kernel/arch/ia64/include/asm/kvm.h | 303 +++++++++++++
kvm/kernel/arch/ia64/include/asm/kvm_host.h | 634 +++++++++++++++++++++++++++
kvm/kernel/arch/ia64/include/asm/kvm_para.h | 67 +++
3 files changed, 1004 insertions(+), 0 deletions(-)
create mode 100644 kvm/kernel/arch/ia64/include/asm/kvm.h
create mode 100644 kvm/kernel/arch/ia64/include/asm/kvm_host.h
create mode 100644 kvm/kernel/arch/ia64/include/asm/kvm_para.h

diff --git a/kvm/kernel/arch/ia64/include/asm/kvm.h b/kvm/kernel/arch/ia64/include/asm/kvm.h
new file mode 100644
index 0000000..73963e3
--- /dev/null
+++ b/kvm/kernel/arch/ia64/include/asm/kvm.h
@@ -0,0 +1,303 @@
+#ifndef KVM_UNIFDEF_H
+#define KVM_UNIFDEF_H
+
+#ifdef __i386__
+#ifndef CONFIG_X86_32
+#define CONFIG_X86_32 1
+#endif
+#endif
+
+#ifdef __x86_64__
+#ifndef CONFIG_X86_64
+#define CONFIG_X86_64 1
+#endif
+#endif
+
+#if defined(__i386__) || defined (__x86_64__)
+#ifndef CONFIG_X86
+#define CONFIG_X86 1
+#endif
+#endif
+
+#ifdef __ia64__
+#ifndef CONFIG_IA64
+#define CONFIG_IA64 1
+#endif
+#endif
+
+#ifdef __PPC__
+#ifndef CONFIG_PPC
+#define CONFIG_PPC 1
+#endif
+#endif
+
+#ifdef __s390__
+#ifndef CONFIG_S390
+#define CONFIG_S390 1
+#endif
+#endif
+
+#endif
+#ifndef __ASM_IA64_KVM_H
+#define __ASM_IA64_KVM_H
+
+/*
+ * kvm structure definitions for ia64
+ *
+ * Copyright (C) 2007 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.
+ *
+ */
+
+#include <asm/types.h>
+#include <linux/ioctl.h>
+
+/* Select x86 specific features in <linux/kvm.h> */
+#define __KVM_HAVE_IOAPIC
+#define __KVM_HAVE_DEVICE_ASSIGNMENT
+
+/* Architectural interrupt line count. */
+#define KVM_NR_INTERRUPTS 256
+
+#define KVM_IOAPIC_NUM_PINS 48
+
+struct kvm_ioapic_state {
+ __u64 base_address;
+ __u32 ioregsel;
+ __u32 id;
+ __u32 irr;
+ __u32 pad;
+ union {
+ __u64 bits;
+ struct {
+ __u8 vector;
+ __u8 delivery_mode:3;
+ __u8 dest_mode:1;
+ __u8 delivery_status:1;
+ __u8 polarity:1;
+ __u8 remote_irr:1;
+ __u8 trig_mode:1;
+ __u8 mask:1;
+ __u8 reserve:7;
+ __u8 reserved[4];
+ __u8 dest_id;
+ } fields;
+ } redirtbl[KVM_IOAPIC_NUM_PINS];
+};
+
+#define KVM_IRQCHIP_PIC_MASTER 0
+#define KVM_IRQCHIP_PIC_SLAVE 1
+#define KVM_IRQCHIP_IOAPIC 2
+
+#define KVM_CONTEXT_SIZE 8*1024
+
+struct kvm_fpreg {
+ union {
+ unsigned long bits[2];
+ long double __dummy; /* force 16-byte alignment */
+ } u;
+};
+
+union context {
+ /* 8K size */
+ char dummy[KVM_CONTEXT_SIZE];
+ struct {
+ unsigned long psr;
+ unsigned long pr;
+ unsigned long caller_unat;
+ unsigned long pad;
+ unsigned long gr[32];
+ unsigned long ar[128];
+ unsigned long br[8];
+ unsigned long cr[128];
+ unsigned long rr[8];
+ unsigned long ibr[8];
+ unsigned long dbr[8];
+ unsigned long pkr[8];
+ struct kvm_fpreg fr[128];
+ };
+};
+
+struct thash_data {
+ union {
+ struct {
+ unsigned long p : 1; /* 0 */
+ unsigned long rv1 : 1; /* 1 */
+ unsigned long ma : 3; /* 2-4 */
+ unsigned long a : 1; /* 5 */
+ unsigned long d : 1; /* 6 */
+ unsigned long pl : 2; /* 7-8 */
+ unsigned long ar : 3; /* 9-11 */
+ unsigned long ppn : 38; /* 12-49 */
+ unsigned long rv2 : 2; /* 50-51 */
+ unsigned long ed : 1; /* 52 */
+ unsigned long ig1 : 11; /* 53-63 */
+ };
+ struct {
+ unsigned long __rv1 : 53; /* 0-52 */
+ unsigned long contiguous : 1; /*53 */
+ unsigned long tc : 1; /* 54 TR or TC */
+ unsigned long cl : 1;
+ /* 55 I side or D side cache line */
+ unsigned long len : 4; /* 56-59 */
+ unsigned long io : 1; /* 60 entry is for io or not */
+ unsigned long nomap : 1;
+ /* 61 entry cann't be inserted into machine TLB.*/
+ unsigned long checked : 1;
+ /* 62 for VTLB/VHPT sanity check */
+ unsigned long invalid : 1;
+ /* 63 invalid entry */
+ };
+ unsigned long page_flags;
+ }; /* same for VHPT and TLB */
+
+ union {
+ struct {
+ unsigned long rv3 : 2;
+ unsigned long ps : 6;
+ unsigned long key : 24;
+ unsigned long rv4 : 32;
+ };
+ unsigned long itir;
+ };
+ union {
+ struct {
+ unsigned long ig2 : 12;
+ unsigned long vpn : 49;
+ unsigned long vrn : 3;
+ };
+ unsigned long ifa;
+ unsigned long vadr;
+ struct {
+ unsigned long tag : 63;
+ unsigned long ti : 1;
+ };
+ unsigned long etag;
+ };
+ union {
+ struct thash_data *next;
+ unsigned long rid;
+ unsigned long gpaddr;
+ };
+};
+
+#define NITRS 8
+#define NDTRS 8
+
+struct saved_vpd {
+ unsigned long vhpi;
+ unsigned long vgr[16];
+ unsigned long vbgr[16];
+ unsigned long vnat;
+ unsigned long vbnat;
+ unsigned long vcpuid[5];
+ unsigned long vpsr;
+ unsigned long vpr;
+ union {
+ unsigned long vcr[128];
+ struct {
+ unsigned long dcr;
+ unsigned long itm;
+ unsigned long iva;
+ unsigned long rsv1[5];
+ unsigned long pta;
+ unsigned long rsv2[7];
+ unsigned long ipsr;
+ unsigned long isr;
+ unsigned long rsv3;
+ unsigned long iip;
+ unsigned long ifa;
+ unsigned long itir;
+ unsigned long iipa;
+ unsigned long ifs;
+ unsigned long iim;
+ unsigned long iha;
+ unsigned long rsv4[38];
+ unsigned long lid;
+ unsigned long ivr;
+ unsigned long tpr;
+ unsigned long eoi;
+ unsigned long irr[4];
+ unsigned long itv;
+ unsigned long pmv;
+ unsigned long cmcv;
+ unsigned long rsv5[5];
+ unsigned long lrr0;
+ unsigned long lrr1;
+ unsigned long rsv6[46];
+ };
+ };
+};
+
+struct kvm_regs {
+ struct saved_vpd vpd;
+ /*Arch-regs*/
+ int mp_state;
+ unsigned long vmm_rr;
+ /* TR and TC. */
+ struct thash_data itrs[NITRS];
+ struct thash_data dtrs[NDTRS];
+ /* Bit is set if there is a tr/tc for the region. */
+ unsigned char itr_regions;
+ unsigned char dtr_regions;
+ unsigned char tc_regions;
+
+ char irq_check;
+ unsigned long saved_itc;
+ unsigned long itc_check;
+ unsigned long timer_check;
+ unsigned long timer_pending;
+ unsigned long last_itc;
+
+ unsigned long vrr[8];
+ unsigned long ibr[8];
+ unsigned long dbr[8];
+ unsigned long insvc[4]; /* Interrupt in service. */
+ unsigned long xtp;
+
+ unsigned long metaphysical_rr0; /* from kvm_arch (so is pinned) */
+ unsigned long metaphysical_rr4; /* from kvm_arch (so is pinned) */
+ unsigned long metaphysical_saved_rr0; /* from kvm_arch */
+ unsigned long metaphysical_saved_rr4; /* from kvm_arch */
+ unsigned long fp_psr; /*used for lazy float register */
+ unsigned long saved_gp;
+ /*for phycial emulation */
+
+ union context saved_guest;
+
+ unsigned long reserved[64]; /* for future use */
+};
+
+struct kvm_sregs {
+};
+
+struct kvm_fpu {
+};
+
+#define KVM_IA64_VCPU_STACK_SHIFT 16
+#define KVM_IA64_VCPU_STACK_SIZE (1UL << KVM_IA64_VCPU_STACK_SHIFT)
+
+struct kvm_ia64_vcpu_stack {
+ unsigned char stack[KVM_IA64_VCPU_STACK_SIZE];
+};
+
+struct kvm_debug_exit_arch {
+};
+
+/* for KVM_SET_GUEST_DEBUG */
+struct kvm_guest_debug_arch {
+};
+
+#endif
diff --git a/kvm/kernel/arch/ia64/include/asm/kvm_host.h b/kvm/kernel/arch/ia64/include/asm/kvm_host.h
new file mode 100644
index 0000000..fb4f87d
--- /dev/null
+++ b/kvm/kernel/arch/ia64/include/asm/kvm_host.h
@@ -0,0 +1,634 @@
+#ifndef KVM_UNIFDEF_H
+#define KVM_UNIFDEF_H
+
+#ifdef __i386__
+#ifndef CONFIG_X86_32
+#define CONFIG_X86_32 1
+#endif
+#endif
+
+#ifdef __x86_64__
+#ifndef CONFIG_X86_64
+#define CONFIG_X86_64 1
+#endif
+#endif
+
+#if defined(__i386__) || defined (__x86_64__)
+#ifndef CONFIG_X86
+#define CONFIG_X86 1
+#endif
+#endif
+
+#ifdef __ia64__
+#ifndef CONFIG_IA64
+#define CONFIG_IA64 1
+#endif
+#endif
+
+#ifdef __PPC__
+#ifndef CONFIG_PPC
+#define CONFIG_PPC 1
+#endif
+#endif
+
+#ifdef __s390__
+#ifndef CONFIG_S390
+#define CONFIG_S390 1
+#endif
+#endif
+
+#endif
+/*
+ * 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 + \
+ offsetof(struct kvm_vm_data, kvm_mem_dirty_log)
+
+#define VHPT_BASE(n) (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vhpt))
+#define VTLB_BASE(n) (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vtlb))
+#define VPD_BASE(n) (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vpd))
+#define VCPU_STRUCT_BASE(n) (VCPU_BASE(n) + \
+ offsetof(struct kvm_vcpu_data, vcpu_struct))
+
+/*IO section definitions*/
+#define IOREQ_READ 1
+#define IOREQ_WRITE 0
+
+#define STATE_IOREQ_NONE 0
+#define STATE_IOREQ_READY 1
+#define STATE_IOREQ_INPROCESS 2
+#define STATE_IORESP_READY 3
+
+/*Guest Physical address layout.*/
+#define GPFN_MEM (0UL << 60) /* Guest pfn is normal mem */
+#define GPFN_FRAME_BUFFER (1UL << 60) /* VGA framebuffer */
+#define GPFN_LOW_MMIO (2UL << 60) /* Low MMIO range */
+#define GPFN_PIB (3UL << 60) /* PIB base */
+#define GPFN_IOSAPIC (4UL << 60) /* IOSAPIC base */
+#define GPFN_LEGACY_IO (5UL << 60) /* Legacy I/O base */
+#define GPFN_GFW (6UL << 60) /* Guest Firmware */
+#define GPFN_PHYS_MMIO (7UL << 60) /* Directed MMIO Range */
+
+#define GPFN_IO_MASK (7UL << 60) /* Guest pfn is I/O type */
+#define GPFN_INV_MASK (1UL << 63) /* Guest pfn is invalid */
+#define INVALID_MFN (~0UL)
+#define MEM_G (1UL << 30)
+#define MEM_M (1UL << 20)
+#define MMIO_START (3 * MEM_G)
+#define MMIO_SIZE (512 * MEM_M)
+#define VGA_IO_START 0xA0000UL
+#define VGA_IO_SIZE 0x20000
+#define LEGACY_IO_START (MMIO_START + MMIO_SIZE)
+#define LEGACY_IO_SIZE (64 * MEM_M)
+#define IO_SAPIC_START 0xfec00000UL
+#define IO_SAPIC_SIZE 0x100000
+#define PIB_START 0xfee00000UL
+#define PIB_SIZE 0x200000
+#define GFW_START (4 * MEM_G - 16 * MEM_M)
+#define GFW_SIZE (16 * MEM_M)
+
+/*Deliver mode, defined for ioapic.c*/
+#define dest_Fixed IOSAPIC_FIXED
+#define dest_LowestPrio IOSAPIC_LOWEST_PRIORITY
+
+#define NMI_VECTOR 2
+#define ExtINT_VECTOR 0
+#define NULL_VECTOR (-1)
+#define IA64_SPURIOUS_INT_VECTOR 0x0f
+
+#define VCPU_LID(v) (((u64)(v)->vcpu_id) << 24)
+
+/*
+ *Delivery mode
+ */
+#define SAPIC_DELIV_SHIFT 8
+#define SAPIC_FIXED 0x0
+#define SAPIC_LOWEST_PRIORITY 0x1
+#define SAPIC_PMI 0x2
+#define SAPIC_NMI 0x4
+#define SAPIC_INIT 0x5
+#define SAPIC_EXTINT 0x7
+
+/*
+ * vcpu->requests bit members for arch
+ */
+#define KVM_REQ_PTC_G 32
+#define KVM_REQ_RESUME 33
+
+#define KVM_PAGES_PER_HPAGE 1
+
+struct kvm;
+struct kvm_vcpu;
+
+struct kvm_mmio_req {
+ uint64_t addr; /* physical address */
+ uint64_t size; /* size in bytes */
+ uint64_t data; /* data (or paddr of data) */
+ uint8_t state:4;
+ uint8_t dir:1; /* 1=read, 0=write */
+};
+
+/*Pal data struct */
+struct kvm_pal_call{
+ /*In area*/
+ uint64_t gr28;
+ uint64_t gr29;
+ uint64_t gr30;
+ uint64_t gr31;
+ /*Out area*/
+ struct ia64_pal_retval ret;
+};
+
+/* Sal data structure */
+struct kvm_sal_call{
+ /*In area*/
+ uint64_t in0;
+ uint64_t in1;
+ uint64_t in2;
+ uint64_t in3;
+ uint64_t in4;
+ uint64_t in5;
+ uint64_t in6;
+ uint64_t in7;
+ struct sal_ret_values ret;
+};
+
+/*Guest change rr6*/
+struct kvm_switch_rr6 {
+ uint64_t old_rr;
+ uint64_t new_rr;
+};
+
+union ia64_ipi_a{
+ unsigned long val;
+ struct {
+ unsigned long rv : 3;
+ unsigned long ir : 1;
+ unsigned long eid : 8;
+ unsigned long id : 8;
+ unsigned long ib_base : 44;
+ };
+};
+
+union ia64_ipi_d {
+ unsigned long val;
+ struct {
+ unsigned long vector : 8;
+ unsigned long dm : 3;
+ unsigned long ig : 53;
+ };
+};
+
+/*ipi check exit data*/
+struct kvm_ipi_data{
+ union ia64_ipi_a addr;
+ union ia64_ipi_d data;
+};
+
+/*global purge data*/
+struct kvm_ptc_g {
+ unsigned long vaddr;
+ unsigned long rr;
+ unsigned long ps;
+ struct kvm_vcpu *vcpu;
+};
+
+/*Exit control data */
+struct exit_ctl_data{
+ uint32_t exit_reason;
+ uint32_t vm_status;
+ union {
+ struct kvm_mmio_req ioreq;
+ struct kvm_pal_call pal_data;
+ struct kvm_sal_call sal_data;
+ struct kvm_switch_rr6 rr_data;
+ struct kvm_ipi_data ipi_data;
+ struct kvm_ptc_g ptc_g_data;
+ } u;
+};
+
+union pte_flags {
+ unsigned long val;
+ struct {
+ unsigned long p : 1; /*0 */
+ unsigned long : 1; /* 1 */
+ unsigned long ma : 3; /* 2-4 */
+ unsigned long a : 1; /* 5 */
+ unsigned long d : 1; /* 6 */
+ unsigned long pl : 2; /* 7-8 */
+ unsigned long ar : 3; /* 9-11 */
+ unsigned long ppn : 38; /* 12-49 */
+ unsigned long : 2; /* 50-51 */
+ unsigned long ed : 1; /* 52 */
+ };
+};
+
+union ia64_pta {
+ unsigned long val;
+ struct {
+ unsigned long ve : 1;
+ unsigned long reserved0 : 1;
+ unsigned long size : 6;
+ unsigned long vf : 1;
+ unsigned long reserved1 : 6;
+ unsigned long base : 49;
+ };
+};
+
+struct thash_cb {
+ /* THASH base information */
+ struct thash_data *hash; /* hash table pointer */
+ union ia64_pta pta;
+ int num;
+};
+
+struct kvm_vcpu_stat {
+};
+
+struct kvm_vcpu_arch {
+ int launched;
+ int last_exit;
+ int last_run_cpu;
+ int vmm_tr_slot;
+ int vm_tr_slot;
+ int sn_rtc_tr_slot;
+
+#define KVM_MP_STATE_RUNNABLE 0
+#define KVM_MP_STATE_UNINITIALIZED 1
+#define KVM_MP_STATE_INIT_RECEIVED 2
+#define KVM_MP_STATE_HALTED 3
+ int mp_state;
+
+#define MAX_PTC_G_NUM 3
+ int ptc_g_count;
+ struct kvm_ptc_g ptc_g_data[MAX_PTC_G_NUM];
+
+ /*halt timer to wake up sleepy vcpus*/
+ struct hrtimer hlt_timer;
+ long ht_active;
+
+ struct kvm_lapic *apic; /* kernel irqchip context */
+ struct vpd *vpd;
+
+ /* Exit data for vmm_transition*/
+ struct exit_ctl_data exit_data;
+
+ cpumask_t cache_coherent_map;
+
+ unsigned long vmm_rr;
+ unsigned long host_rr6;
+ unsigned long psbits[8];
+ unsigned long cr_iipa;
+ unsigned long cr_isr;
+ unsigned long vsa_base;
+ unsigned long dirty_log_lock_pa;
+ unsigned long __gp;
+ /* TR and TC. */
+ struct thash_data itrs[NITRS];
+ struct thash_data dtrs[NDTRS];
+ /* Bit is set if there is a tr/tc for the region. */
+ unsigned char itr_regions;
+ unsigned char dtr_regions;
+ unsigned char tc_regions;
+ /* purge all */
+ unsigned long ptce_base;
+ unsigned long ptce_count[2];
+ unsigned long ptce_stride[2];
+ /* itc/itm */
+ unsigned long last_itc;
+ long itc_offset;
+ unsigned long itc_check;
+ unsigned long timer_check;
+ unsigned int timer_pending;
+ unsigned int timer_fired;
+
+ unsigned long vrr[8];
+ unsigned long ibr[8];
+ unsigned long dbr[8];
+ unsigned long insvc[4]; /* Interrupt in service. */
+ unsigned long xtp;
+
+ unsigned long metaphysical_rr0; /* from kvm_arch (so is pinned) */
+ unsigned long metaphysical_rr4; /* from kvm_arch (so is pinned) */
+ unsigned long metaphysical_saved_rr0; /* from kvm_arch */
+ unsigned long metaphysical_saved_rr4; /* from kvm_arch */
+ unsigned long fp_psr; /*used for lazy float register */
+ unsigned long saved_gp;
+ /*for phycial emulation */
+ int mode_flags;
+ struct thash_cb vtlb;
+ struct thash_cb vhpt;
+ char irq_check;
+ char irq_new_pending;
+
+ unsigned long opcode;
+ unsigned long cause;
+ char log_buf[VMM_LOG_LEN];
+ union context host;
+ union context guest;
+};
+
+struct kvm_vm_stat {
+ u64 remote_tlb_flush;
+};
+
+struct kvm_sal_data {
+ unsigned long boot_ip;
+ unsigned long boot_gp;
+};
+
+struct kvm_arch {
+ spinlock_t dirty_log_lock;
+
+ unsigned long vm_base;
+ unsigned long metaphysical_rr0;
+ unsigned long metaphysical_rr4;
+ unsigned long vmm_init_rr;
+
+ int online_vcpus;
+ int is_sn2;
+
+ struct kvm_ioapic *vioapic;
+ struct kvm_vm_stat stat;
+ struct kvm_sal_data rdv_sal_data;
+
+ struct list_head assigned_dev_head;
+ struct iommu_domain *iommu_domain;
+ struct hlist_head irq_ack_notifier_list;
+
+ unsigned long irq_sources_bitmap;
+ unsigned long irq_states[KVM_IOAPIC_NUM_PINS];
+};
+
+union cpuid3_t {
+ u64 value;
+ struct {
+ u64 number : 8;
+ u64 revision : 8;
+ u64 model : 8;
+ u64 family : 8;
+ u64 archrev : 8;
+ u64 rv : 24;
+ };
+};
+
+struct kvm_pt_regs {
+ /* The following registers are saved by SAVE_MIN: */
+ unsigned long b6; /* scratch */
+ unsigned long b7; /* scratch */
+
+ unsigned long ar_csd; /* used by cmp8xchg16 (scratch) */
+ unsigned long ar_ssd; /* reserved for future use (scratch) */
+
+ unsigned long r8; /* scratch (return value register 0) */
+ unsigned long r9; /* scratch (return value register 1) */
+ unsigned long r10; /* scratch (return value register 2) */
+ unsigned long r11; /* scratch (return value register 3) */
+
+ unsigned long cr_ipsr; /* interrupted task's psr */
+ unsigned long cr_iip; /* interrupted task's instruction pointer */
+ unsigned long cr_ifs; /* interrupted task's function state */
+
+ unsigned long ar_unat; /* interrupted task's NaT register (preserved) */
+ unsigned long ar_pfs; /* prev function state */
+ unsigned long ar_rsc; /* RSE configuration */
+ /* The following two are valid only if cr_ipsr.cpl > 0: */
+ unsigned long ar_rnat; /* RSE NaT */
+ unsigned long ar_bspstore; /* RSE bspstore */
+
+ unsigned long pr; /* 64 predicate registers (1 bit each) */
+ unsigned long b0; /* return pointer (bp) */
+ unsigned long loadrs; /* size of dirty partition << 16 */
+
+ unsigned long r1; /* the gp pointer */
+ unsigned long r12; /* interrupted task's memory stack pointer */
+ unsigned long r13; /* thread pointer */
+
+ unsigned long ar_fpsr; /* floating point status (preserved) */
+ unsigned long r15; /* scratch */
+
+ /* The remaining registers are NOT saved for system calls. */
+ unsigned long r14; /* scratch */
+ unsigned long r2; /* scratch */
+ unsigned long r3; /* scratch */
+ unsigned long r16; /* scratch */
+ unsigned long r17; /* scratch */
+ unsigned long r18; /* scratch */
+ unsigned long r19; /* scratch */
+ unsigned long r20; /* scratch */
+ unsigned long r21; /* scratch */
+ unsigned long r22; /* scratch */
+ unsigned long r23; /* scratch */
+ unsigned long r24; /* scratch */
+ unsigned long r25; /* scratch */
+ unsigned long r26; /* scratch */
+ unsigned long r27; /* scratch */
+ unsigned long r28; /* scratch */
+ unsigned long r29; /* scratch */
+ unsigned long r30; /* scratch */
+ unsigned long r31; /* scratch */
+ unsigned long ar_ccv; /* compare/exchange value (scratch) */
+
+ /*
+ * Floating point registers that the kernel considers scratch:
+ */
+ struct ia64_fpreg f6; /* scratch */
+ struct ia64_fpreg f7; /* scratch */
+ struct ia64_fpreg f8; /* scratch */
+ struct ia64_fpreg f9; /* scratch */
+ struct ia64_fpreg f10; /* scratch */
+ struct ia64_fpreg f11; /* scratch */
+
+ unsigned long r4; /* preserved */
+ unsigned long r5; /* preserved */
+ unsigned long r6; /* preserved */
+ unsigned long r7; /* preserved */
+ unsigned long eml_unat; /* used for emulating instruction */
+ unsigned long pad0; /* alignment pad */
+};
+
+static inline struct kvm_pt_regs *vcpu_regs(struct kvm_vcpu *v)
+{
+ return (struct kvm_pt_regs *) ((unsigned long) v + KVM_STK_OFFSET) - 1;
+}
+
+typedef int kvm_vmm_entry(void);
+typedef void kvm_tramp_entry(union context *host, union context *guest);
+
+struct kvm_vmm_info{
+ struct module *module;
+ kvm_vmm_entry *vmm_entry;
+ kvm_tramp_entry *tramp_entry;
+ unsigned long vmm_ivt;
+ unsigned long patch_mov_ar;
+ unsigned long patch_mov_ar_sn2;
+};
+
+int kvm_highest_pending_irq(struct kvm_vcpu *vcpu);
+int kvm_emulate_halt(struct kvm_vcpu *vcpu);
+int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run);
+void kvm_sal_emul(struct kvm_vcpu *vcpu);
+
+#endif /* __ASSEMBLY__*/
+
+#endif
diff --git a/kvm/kernel/arch/ia64/include/asm/kvm_para.h b/kvm/kernel/arch/ia64/include/asm/kvm_para.h
new file mode 100644
index 0000000..9931df9
--- /dev/null
+++ b/kvm/kernel/arch/ia64/include/asm/kvm_para.h
@@ -0,0 +1,67 @@
+#ifndef KVM_UNIFDEF_H
+#define KVM_UNIFDEF_H
+
+#ifdef __i386__
+#ifndef CONFIG_X86_32
+#define CONFIG_X86_32 1
+#endif
+#endif
+
+#ifdef __x86_64__
+#ifndef CONFIG_X86_64
+#define CONFIG_X86_64 1
+#endif
+#endif
+
+#if defined(__i386__) || defined (__x86_64__)
+#ifndef CONFIG_X86
+#define CONFIG_X86 1
+#endif
+#endif
+
+#ifdef __ia64__
+#ifndef CONFIG_IA64
+#define CONFIG_IA64 1
+#endif
+#endif
+
+#ifdef __PPC__
+#ifndef CONFIG_PPC
+#define CONFIG_PPC 1
+#endif
+#endif
+
+#ifdef __s390__
+#ifndef CONFIG_S390
+#define CONFIG_S390 1
+#endif
+#endif
+
+#endif
+#ifndef __IA64_KVM_PARA_H
+#define __IA64_KVM_PARA_H
+
+/*
+ * Copyright (C) 2007 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.
+ *
+ */
+
+static inline unsigned int kvm_arch_para_features(void)
+{
+ return 0;
+}
+
+#endif
--
1.6.0

[-- Attachment #2: 0002-qemu-kvm-Add-header-files-for-ia64.patch --]
[-- Type: application/octet-stream, Size: 27715 bytes --]

From bbaeed10e1629a1c86a497e5a4e18e5d51b5df69 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <xiantao.zhang@intel.com>
Date: Tue, 28 Apr 2009 15:05:30 +0800
Subject: [PATCH] qemu-kvm: Add header files for ia64.

Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>
---
kvm/kernel/arch/ia64/include/asm/kvm.h | 303 +++++++++++++
kvm/kernel/arch/ia64/include/asm/kvm_host.h | 634 +++++++++++++++++++++++++++
kvm/kernel/arch/ia64/include/asm/kvm_para.h | 67 +++
3 files changed, 1004 insertions(+), 0 deletions(-)
create mode 100644 kvm/kernel/arch/ia64/include/asm/kvm.h
create mode 100644 kvm/kernel/arch/ia64/include/asm/kvm_host.h
create mode 100644 kvm/kernel/arch/ia64/include/asm/kvm_para.h

diff --git a/kvm/kernel/arch/ia64/include/asm/kvm.h b/kvm/kernel/arch/ia64/include/asm/kvm.h
new file mode 100644
index 0000000..73963e3
--- /dev/null
+++ b/kvm/kernel/arch/ia64/include/asm/kvm.h
@@ -0,0 +1,303 @@
+#ifndef KVM_UNIFDEF_H
+#define KVM_UNIFDEF_H
+
+#ifdef __i386__
+#ifndef CONFIG_X86_32
+#define CONFIG_X86_32 1
+#endif
+#endif
+
+#ifdef __x86_64__
+#ifndef CONFIG_X86_64
+#define CONFIG_X86_64 1
+#endif
+#endif
+
+#if defined(__i386__) || defined (__x86_64__)
+#ifndef CONFIG_X86
+#define CONFIG_X86 1
+#endif
+#endif
+
+#ifdef __ia64__
+#ifndef CONFIG_IA64
+#define CONFIG_IA64 1
+#endif
+#endif
+
+#ifdef __PPC__
+#ifndef CONFIG_PPC
+#define CONFIG_PPC 1
+#endif
+#endif
+
+#ifdef __s390__
+#ifndef CONFIG_S390
+#define CONFIG_S390 1
+#endif
+#endif
+
+#endif
+#ifndef __ASM_IA64_KVM_H
+#define __ASM_IA64_KVM_H
+
+/*
+ * kvm structure definitions for ia64
+ *
+ * Copyright (C) 2007 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.
+ *
+ */
+
+#include <asm/types.h>
+#include <linux/ioctl.h>
+
+/* Select x86 specific features in <linux/kvm.h> */
+#define __KVM_HAVE_IOAPIC
+#define __KVM_HAVE_DEVICE_ASSIGNMENT
+
+/* Architectural interrupt line count. */
+#define KVM_NR_INTERRUPTS 256
+
+#define KVM_IOAPIC_NUM_PINS 48
+
+struct kvm_ioapic_state {
+ __u64 base_address;
+ __u32 ioregsel;
+ __u32 id;
+ __u32 irr;
+ __u32 pad;
+ union {
+ __u64 bits;
+ struct {
+ __u8 vector;
+ __u8 delivery_mode:3;
+ __u8 dest_mode:1;
+ __u8 delivery_status:1;
+ __u8 polarity:1;
+ __u8 remote_irr:1;
+ __u8 trig_mode:1;
+ __u8 mask:1;
+ __u8 reserve:7;
+ __u8 reserved[4];
+ __u8 dest_id;
+ } fields;
+ } redirtbl[KVM_IOAPIC_NUM_PINS];
+};
+
+#define KVM_IRQCHIP_PIC_MASTER 0
+#define KVM_IRQCHIP_PIC_SLAVE 1
+#define KVM_IRQCHIP_IOAPIC 2
+
+#define KVM_CONTEXT_SIZE 8*1024
+
+struct kvm_fpreg {
+ union {
+ unsigned long bits[2];
+ long double __dummy; /* force 16-byte alignment */
+ } u;
+};
+
+union context {
+ /* 8K size */
+ char dummy[KVM_CONTEXT_SIZE];
+ struct {
+ unsigned long psr;
+ unsigned long pr;
+ unsigned long caller_unat;
+ unsigned long pad;
+ unsigned long gr[32];
+ unsigned long ar[128];
+ unsigned long br[8];
+ unsigned long cr[128];
+ unsigned long rr[8];
+ unsigned long ibr[8];
+ unsigned long dbr[8];
+ unsigned long pkr[8];
+ struct kvm_fpreg fr[128];
+ };
+};
+
+struct thash_data {
+ union {
+ struct {
+ unsigned long p : 1; /* 0 */
+ unsigned long rv1 : 1; /* 1 */
+ unsigned long ma : 3; /* 2-4 */
+ unsigned long a : 1; /* 5 */
+ unsigned long d : 1; /* 6 */
+ unsigned long pl : 2; /* 7-8 */
+ unsigned long ar : 3; /* 9-11 */
+ unsigned long ppn : 38; /* 12-49 */
+ unsigned long rv2 : 2; /* 50-51 */
+ unsigned long ed : 1; /* 52 */
+ unsigned long ig1 : 11; /* 53-63 */
+ };
+ struct {
+ unsigned long __rv1 : 53; /* 0-52 */
+ unsigned long contiguous : 1; /*53 */
+ unsigned long tc : 1; /* 54 TR or TC */
+ unsigned long cl : 1;
+ /* 55 I side or D side cache line */
+ unsigned long len : 4; /* 56-59 */
+ unsigned long io : 1; /* 60 entry is for io or not */
+ unsigned long nomap : 1;
+ /* 61 entry cann't be inserted into machine TLB.*/
+ unsigned long checked : 1;
+ /* 62 for VTLB/VHPT sanity check */
+ unsigned long invalid : 1;
+ /* 63 invalid entry */
+ };
+ unsigned long page_flags;
+ }; /* same for VHPT and TLB */
+
+ union {
+ struct {
+ unsigned long rv3 : 2;
+ unsigned long ps : 6;
+ unsigned long key : 24;
+ unsigned long rv4 : 32;
+ };
+ unsigned long itir;
+ };
+ union {
+ struct {
+ unsigned long ig2 : 12;
+ unsigned long vpn : 49;
+ unsigned long vrn : 3;
+ };
+ unsigned long ifa;
+ unsigned long vadr;
+ struct {
+ unsigned long tag : 63;
+ unsigned long ti : 1;
+ };
+ unsigned long etag;
+ };
+ union {
+ struct thash_data *next;
+ unsigned long rid;
+ unsigned long gpaddr;
+ };
+};
+
+#define NITRS 8
+#define NDTRS 8
+
+struct saved_vpd {
+ unsigned long vhpi;
+ unsigned long vgr[16];
+ unsigned long vbgr[16];
+ unsigned long vnat;
+ unsigned long vbnat;
+ unsigned long vcpuid[5];
+ unsigned long vpsr;
+ unsigned long vpr;
+ union {
+ unsigned long vcr[128];
+ struct {
+ unsigned long dcr;
+ unsigned long itm;
+ unsigned long iva;
+ unsigned long rsv1[5];
+ unsigned long pta;
+ unsigned long rsv2[7];
+ unsigned long ipsr;
+ unsigned long isr;
+ unsigned long rsv3;
+ unsigned long iip;
+ unsigned long ifa;
+ unsigned long itir;
+ unsigned long iipa;
+ unsigned long ifs;
+ unsigned long iim;
+ unsigned long iha;
+ unsigned long rsv4[38];
+ unsigned long lid;
+ unsigned long ivr;
+ unsigned long tpr;
+ unsigned long eoi;
+ unsigned long irr[4];
+ unsigned long itv;
+ unsigned long pmv;
+ unsigned long cmcv;
+ unsigned long rsv5[5];
+ unsigned long lrr0;
+ unsigned long lrr1;
+ unsigned long rsv6[46];
+ };
+ };
+};
+
+struct kvm_regs {
+ struct saved_vpd vpd;
+ /*Arch-regs*/
+ int mp_state;
+ unsigned long vmm_rr;
+ /* TR and TC. */
+ struct thash_data itrs[NITRS];
+ struct thash_data dtrs[NDTRS];
+ /* Bit is set if there is a tr/tc for the region. */
+ unsigned char itr_regions;
+ unsigned char dtr_regions;
+ unsigned char tc_regions;
+
+ char irq_check;
+ unsigned long saved_itc;
+ unsigned long itc_check;
+ unsigned long timer_check;
+ unsigned long timer_pending;
+ unsigned long last_itc;
+
+ unsigned long vrr[8];
+ unsigned long ibr[8];
+ unsigned long dbr[8];
+ unsigned long insvc[4]; /* Interrupt in service. */
+ unsigned long xtp;
+
+ unsigned long metaphysical_rr0; /* from kvm_arch (so is pinned) */
+ unsigned long metaphysical_rr4; /* from kvm_arch (so is pinned) */
+ unsigned long metaphysical_saved_rr0; /* from kvm_arch */
+ unsigned long metaphysical_saved_rr4; /* from kvm_arch */
+ unsigned long fp_psr; /*used for lazy float register */
+ unsigned long saved_gp;
+ /*for phycial emulation */
+
+ union context saved_guest;
+
+ unsigned long reserved[64]; /* for future use */
+};
+
+struct kvm_sregs {
+};
+
+struct kvm_fpu {
+};
+
+#define KVM_IA64_VCPU_STACK_SHIFT 16
+#define KVM_IA64_VCPU_STACK_SIZE (1UL << KVM_IA64_VCPU_STACK_SHIFT)
+
+struct kvm_ia64_vcpu_stack {
+ unsigned char stack[KVM_IA64_VCPU_STACK_SIZE];
+};
+
+struct kvm_debug_exit_arch {
+};
+
+/* for KVM_SET_GUEST_DEBUG */
+struct kvm_guest_debug_arch {
+};
+
+#endif
diff --git a/kvm/kernel/arch/ia64/include/asm/kvm_host.h b/kvm/kernel/arch/ia64/include/asm/kvm_host.h
new file mode 100644
index 0000000..fb4f87d
--- /dev/null
+++ b/kvm/kernel/arch/ia64/include/asm/kvm_host.h
@@ -0,0 +1,634 @@
+#ifndef KVM_UNIFDEF_H
+#define KVM_UNIFDEF_H
+
+#ifdef __i386__
+#ifndef CONFIG_X86_32
+#define CONFIG_X86_32 1
+#endif
+#endif
+
+#ifdef __x86_64__
+#ifndef CONFIG_X86_64
+#define CONFIG_X86_64 1
+#endif
+#endif
+
+#if defined(__i386__) || defined (__x86_64__)
+#ifndef CONFIG_X86
+#define CONFIG_X86 1
+#endif
+#endif
+
+#ifdef __ia64__
+#ifndef CONFIG_IA64
+#define CONFIG_IA64 1
+#endif
+#endif
+
+#ifdef __PPC__
+#ifndef CONFIG_PPC
+#define CONFIG_PPC 1
+#endif
+#endif
+
+#ifdef __s390__
+#ifndef CONFIG_S390
+#define CONFIG_S390 1
+#endif
+#endif
+
+#endif
+/*
+ * 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 + \
+ offsetof(struct kvm_vm_data, kvm_mem_dirty_log)
+
+#define VHPT_BASE(n) (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vhpt))
+#define VTLB_BASE(n) (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vtlb))
+#define VPD_BASE(n) (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vpd))
+#define VCPU_STRUCT_BASE(n) (VCPU_BASE(n) + \
+ offsetof(struct kvm_vcpu_data, vcpu_struct))
+
+/*IO section definitions*/
+#define IOREQ_READ 1
+#define IOREQ_WRITE 0
+
+#define STATE_IOREQ_NONE 0
+#define STATE_IOREQ_READY 1
+#define STATE_IOREQ_INPROCESS 2
+#define STATE_IORESP_READY 3
+
+/*Guest Physical address layout.*/
+#define GPFN_MEM (0UL << 60) /* Guest pfn is normal mem */
+#define GPFN_FRAME_BUFFER (1UL << 60) /* VGA framebuffer */
+#define GPFN_LOW_MMIO (2UL << 60) /* Low MMIO range */
+#define GPFN_PIB (3UL << 60) /* PIB base */
+#define GPFN_IOSAPIC (4UL << 60) /* IOSAPIC base */
+#define GPFN_LEGACY_IO (5UL << 60) /* Legacy I/O base */
+#define GPFN_GFW (6UL << 60) /* Guest Firmware */
+#define GPFN_PHYS_MMIO (7UL << 60) /* Directed MMIO Range */
+
+#define GPFN_IO_MASK (7UL << 60) /* Guest pfn is I/O type */
+#define GPFN_INV_MASK (1UL << 63) /* Guest pfn is invalid */
+#define INVALID_MFN (~0UL)
+#define MEM_G (1UL << 30)
+#define MEM_M (1UL << 20)
+#define MMIO_START (3 * MEM_G)
+#define MMIO_SIZE (512 * MEM_M)
+#define VGA_IO_START 0xA0000UL
+#define VGA_IO_SIZE 0x20000
+#define LEGACY_IO_START (MMIO_START + MMIO_SIZE)
+#define LEGACY_IO_SIZE (64 * MEM_M)
+#define IO_SAPIC_START 0xfec00000UL
+#define IO_SAPIC_SIZE 0x100000
+#define PIB_START 0xfee00000UL
+#define PIB_SIZE 0x200000
+#define GFW_START (4 * MEM_G - 16 * MEM_M)
+#define GFW_SIZE (16 * MEM_M)
+
+/*Deliver mode, defined for ioapic.c*/
+#define dest_Fixed IOSAPIC_FIXED
+#define dest_LowestPrio IOSAPIC_LOWEST_PRIORITY
+
+#define NMI_VECTOR 2
+#define ExtINT_VECTOR 0
+#define NULL_VECTOR (-1)
+#define IA64_SPURIOUS_INT_VECTOR 0x0f
+
+#define VCPU_LID(v) (((u64)(v)->vcpu_id) << 24)
+
+/*
+ *Delivery mode
+ */
+#define SAPIC_DELIV_SHIFT 8
+#define SAPIC_FIXED 0x0
+#define SAPIC_LOWEST_PRIORITY 0x1
+#define SAPIC_PMI 0x2
+#define SAPIC_NMI 0x4
+#define SAPIC_INIT 0x5
+#define SAPIC_EXTINT 0x7
+
+/*
+ * vcpu->requests bit members for arch
+ */
+#define KVM_REQ_PTC_G 32
+#define KVM_REQ_RESUME 33
+
+#define KVM_PAGES_PER_HPAGE 1
+
+struct kvm;
+struct kvm_vcpu;
+
+struct kvm_mmio_req {
+ uint64_t addr; /* physical address */
+ uint64_t size; /* size in bytes */
+ uint64_t data; /* data (or paddr of data) */
+ uint8_t state:4;
+ uint8_t dir:1; /* 1=read, 0=write */
+};
+
+/*Pal data struct */
+struct kvm_pal_call{
+ /*In area*/
+ uint64_t gr28;
+ uint64_t gr29;
+ uint64_t gr30;
+ uint64_t gr31;
+ /*Out area*/
+ struct ia64_pal_retval ret;
+};
+
+/* Sal data structure */
+struct kvm_sal_call{
+ /*In area*/
+ uint64_t in0;
+ uint64_t in1;
+ uint64_t in2;
+ uint64_t in3;
+ uint64_t in4;
+ uint64_t in5;
+ uint64_t in6;
+ uint64_t in7;
+ struct sal_ret_values ret;
+};
+
+/*Guest change rr6*/
+struct kvm_switch_rr6 {
+ uint64_t old_rr;
+ uint64_t new_rr;
+};
+
+union ia64_ipi_a{
+ unsigned long val;
+ struct {
+ unsigned long rv : 3;
+ unsigned long ir : 1;
+ unsigned long eid : 8;
+ unsigned long id : 8;
+ unsigned long ib_base : 44;
+ };
+};
+
+union ia64_ipi_d {
+ unsigned long val;
+ struct {
+ unsigned long vector : 8;
+ unsigned long dm : 3;
+ unsigned long ig : 53;
+ };
+};
+
+/*ipi check exit data*/
+struct kvm_ipi_data{
+ union ia64_ipi_a addr;
+ union ia64_ipi_d data;
+};
+
+/*global purge data*/
+struct kvm_ptc_g {
+ unsigned long vaddr;
+ unsigned long rr;
+ unsigned long ps;
+ struct kvm_vcpu *vcpu;
+};
+
+/*Exit control data */
+struct exit_ctl_data{
+ uint32_t exit_reason;
+ uint32_t vm_status;
+ union {
+ struct kvm_mmio_req ioreq;
+ struct kvm_pal_call pal_data;
+ struct kvm_sal_call sal_data;
+ struct kvm_switch_rr6 rr_data;
+ struct kvm_ipi_data ipi_data;
+ struct kvm_ptc_g ptc_g_data;
+ } u;
+};
+
+union pte_flags {
+ unsigned long val;
+ struct {
+ unsigned long p : 1; /*0 */
+ unsigned long : 1; /* 1 */
+ unsigned long ma : 3; /* 2-4 */
+ unsigned long a : 1; /* 5 */
+ unsigned long d : 1; /* 6 */
+ unsigned long pl : 2; /* 7-8 */
+ unsigned long ar : 3; /* 9-11 */
+ unsigned long ppn : 38; /* 12-49 */
+ unsigned long : 2; /* 50-51 */
+ unsigned long ed : 1; /* 52 */
+ };
+};
+
+union ia64_pta {
+ unsigned long val;
+ struct {
+ unsigned long ve : 1;
+ unsigned long reserved0 : 1;
+ unsigned long size : 6;
+ unsigned long vf : 1;
+ unsigned long reserved1 : 6;
+ unsigned long base : 49;
+ };
+};
+
+struct thash_cb {
+ /* THASH base information */
+ struct thash_data *hash; /* hash table pointer */
+ union ia64_pta pta;
+ int num;
+};
+
+struct kvm_vcpu_stat {
+};
+
+struct kvm_vcpu_arch {
+ int launched;
+ int last_exit;
+ int last_run_cpu;
+ int vmm_tr_slot;
+ int vm_tr_slot;
+ int sn_rtc_tr_slot;
+
+#define KVM_MP_STATE_RUNNABLE 0
+#define KVM_MP_STATE_UNINITIALIZED 1
+#define KVM_MP_STATE_INIT_RECEIVED 2
+#define KVM_MP_STATE_HALTED 3
+ int mp_state;
+
+#define MAX_PTC_G_NUM 3
+ int ptc_g_count;
+ struct kvm_ptc_g ptc_g_data[MAX_PTC_G_NUM];
+
+ /*halt timer to wake up sleepy vcpus*/
+ struct hrtimer hlt_timer;
+ long ht_active;
+
+ struct kvm_lapic *apic; /* kernel irqchip context */
+ struct vpd *vpd;
+
+ /* Exit data for vmm_transition*/
+ struct exit_ctl_data exit_data;
+
+ cpumask_t cache_coherent_map;
+
+ unsigned long vmm_rr;
+ unsigned long host_rr6;
+ unsigned long psbits[8];
+ unsigned long cr_iipa;
+ unsigned long cr_isr;
+ unsigned long vsa_base;
+ unsigned long dirty_log_lock_pa;
+ unsigned long __gp;
+ /* TR and TC. */
+ struct thash_data itrs[NITRS];
+ struct thash_data dtrs[NDTRS];
+ /* Bit is set if there is a tr/tc for the region. */
+ unsigned char itr_regions;
+ unsigned char dtr_regions;
+ unsigned char tc_regions;
+ /* purge all */
+ unsigned long ptce_base;
+ unsigned long ptce_count[2];
+ unsigned long ptce_stride[2];
+ /* itc/itm */
+ unsigned long last_itc;
+ long itc_offset;
+ unsigned long itc_check;
+ unsigned long timer_check;
+ unsigned int timer_pending;
+ unsigned int timer_fired;
+
+ unsigned long vrr[8];
+ unsigned long ibr[8];
+ unsigned long dbr[8];
+ unsigned long insvc[4]; /* Interrupt in service. */
+ unsigned long xtp;
+
+ unsigned long metaphysical_rr0; /* from kvm_arch (so is pinned) */
+ unsigned long metaphysical_rr4; /* from kvm_arch (so is pinned) */
+ unsigned long metaphysical_saved_rr0; /* from kvm_arch */
+ unsigned long metaphysical_saved_rr4; /* from kvm_arch */
+ unsigned long fp_psr; /*used for lazy float register */
+ unsigned long saved_gp;
+ /*for phycial emulation */
+ int mode_flags;
+ struct thash_cb vtlb;
+ struct thash_cb vhpt;
+ char irq_check;
+ char irq_new_pending;
+
+ unsigned long opcode;
+ unsigned long cause;
+ char log_buf[VMM_LOG_LEN];
+ union context host;
+ union context guest;
+};
+
+struct kvm_vm_stat {
+ u64 remote_tlb_flush;
+};
+
+struct kvm_sal_data {
+ unsigned long boot_ip;
+ unsigned long boot_gp;
+};
+
+struct kvm_arch {
+ spinlock_t dirty_log_lock;
+
+ unsigned long vm_base;
+ unsigned long metaphysical_rr0;
+ unsigned long metaphysical_rr4;
+ unsigned long vmm_init_rr;
+
+ int online_vcpus;
+ int is_sn2;
+
+ struct kvm_ioapic *vioapic;
+ struct kvm_vm_stat stat;
+ struct kvm_sal_data rdv_sal_data;
+
+ struct list_head assigned_dev_head;
+ struct iommu_domain *iommu_domain;
+ struct hlist_head irq_ack_notifier_list;
+
+ unsigned long irq_sources_bitmap;
+ unsigned long irq_states[KVM_IOAPIC_NUM_PINS];
+};
+
+union cpuid3_t {
+ u64 value;
+ struct {
+ u64 number : 8;
+ u64 revision : 8;
+ u64 model : 8;
+ u64 family : 8;
+ u64 archrev : 8;
+ u64 rv : 24;
+ };
+};
+
+struct kvm_pt_regs {
+ /* The following registers are saved by SAVE_MIN: */
+ unsigned long b6; /* scratch */
+ unsigned long b7; /* scratch */
+
+ unsigned long ar_csd; /* used by cmp8xchg16 (scratch) */
+ unsigned long ar_ssd; /* reserved for future use (scratch) */
+
+ unsigned long r8; /* scratch (return value register 0) */
+ unsigned long r9; /* scratch (return value register 1) */
+ unsigned long r10; /* scratch (return value register 2) */
+ unsigned long r11; /* scratch (return value register 3) */
+
+ unsigned long cr_ipsr; /* interrupted task's psr */
+ unsigned long cr_iip; /* interrupted task's instruction pointer */
+ unsigned long cr_ifs; /* interrupted task's function state */
+
+ unsigned long ar_unat; /* interrupted task's NaT register (preserved) */
+ unsigned long ar_pfs; /* prev function state */
+ unsigned long ar_rsc; /* RSE configuration */
+ /* The following two are valid only if cr_ipsr.cpl > 0: */
+ unsigned long ar_rnat; /* RSE NaT */
+ unsigned long ar_bspstore; /* RSE bspstore */
+
+ unsigned long pr; /* 64 predicate registers (1 bit each) */
+ unsigned long b0; /* return pointer (bp) */
+ unsigned long loadrs; /* size of dirty partition << 16 */
+
+ unsigned long r1; /* the gp pointer */
+ unsigned long r12; /* interrupted task's memory stack pointer */
+ unsigned long r13; /* thread pointer */
+
+ unsigned long ar_fpsr; /* floating point status (preserved) */
+ unsigned long r15; /* scratch */
+
+ /* The remaining registers are NOT saved for system calls. */
+ unsigned long r14; /* scratch */
+ unsigned long r2; /* scratch */
+ unsigned long r3; /* scratch */
+ unsigned long r16; /* scratch */
+ unsigned long r17; /* scratch */
+ unsigned long r18; /* scratch */
+ unsigned long r19; /* scratch */
+ unsigned long r20; /* scratch */
+ unsigned long r21; /* scratch */
+ unsigned long r22; /* scratch */
+ unsigned long r23; /* scratch */
+ unsigned long r24; /* scratch */
+ unsigned long r25; /* scratch */
+ unsigned long r26; /* scratch */
+ unsigned long r27; /* scratch */
+ unsigned long r28; /* scratch */
+ unsigned long r29; /* scratch */
+ unsigned long r30; /* scratch */
+ unsigned long r31; /* scratch */
+ unsigned long ar_ccv; /* compare/exchange value (scratch) */
+
+ /*
+ * Floating point registers that the kernel considers scratch:
+ */
+ struct ia64_fpreg f6; /* scratch */
+ struct ia64_fpreg f7; /* scratch */
+ struct ia64_fpreg f8; /* scratch */
+ struct ia64_fpreg f9; /* scratch */
+ struct ia64_fpreg f10; /* scratch */
+ struct ia64_fpreg f11; /* scratch */
+
+ unsigned long r4; /* preserved */
+ unsigned long r5; /* preserved */
+ unsigned long r6; /* preserved */
+ unsigned long r7; /* preserved */
+ unsigned long eml_unat; /* used for emulating instruction */
+ unsigned long pad0; /* alignment pad */
+};
+
+static inline struct kvm_pt_regs *vcpu_regs(struct kvm_vcpu *v)
+{
+ return (struct kvm_pt_regs *) ((unsigned long) v + KVM_STK_OFFSET) - 1;
+}
+
+typedef int kvm_vmm_entry(void);
+typedef void kvm_tramp_entry(union context *host, union context *guest);
+
+struct kvm_vmm_info{
+ struct module *module;
+ kvm_vmm_entry *vmm_entry;
+ kvm_tramp_entry *tramp_entry;
+ unsigned long vmm_ivt;
+ unsigned long patch_mov_ar;
+ unsigned long patch_mov_ar_sn2;
+};
+
+int kvm_highest_pending_irq(struct kvm_vcpu *vcpu);
+int kvm_emulate_halt(struct kvm_vcpu *vcpu);
+int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run);
+void kvm_sal_emul(struct kvm_vcpu *vcpu);
+
+#endif /* __ASSEMBLY__*/
+
+#endif
diff --git a/kvm/kernel/arch/ia64/include/asm/kvm_para.h b/kvm/kernel/arch/ia64/include/asm/kvm_para.h
new file mode 100644
index 0000000..9931df9
--- /dev/null
+++ b/kvm/kernel/arch/ia64/include/asm/kvm_para.h
@@ -0,0 +1,67 @@
+#ifndef KVM_UNIFDEF_H
+#define KVM_UNIFDEF_H
+
+#ifdef __i386__
+#ifndef CONFIG_X86_32
+#define CONFIG_X86_32 1
+#endif
+#endif
+
+#ifdef __x86_64__
+#ifndef CONFIG_X86_64
+#define CONFIG_X86_64 1
+#endif
+#endif
+
+#if defined(__i386__) || defined (__x86_64__)
+#ifndef CONFIG_X86
+#define CONFIG_X86 1
+#endif
+#endif
+
+#ifdef __ia64__
+#ifndef CONFIG_IA64
+#define CONFIG_IA64 1
+#endif
+#endif
+
+#ifdef __PPC__
+#ifndef CONFIG_PPC
+#define CONFIG_PPC 1
+#endif
+#endif
+
+#ifdef __s390__
+#ifndef CONFIG_S390
+#define CONFIG_S390 1
+#endif
+#endif
+
+#endif
+#ifndef __IA64_KVM_PARA_H
+#define __IA64_KVM_PARA_H
+
+/*
+ * Copyright (C) 2007 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.
+ *
+ */
+
+static inline unsigned int kvm_arch_para_features(void)
+{
+ return 0;
+}
+
+#endif
--
1.6.0