This is the delta between the qemu and qemu-kvm v0.12.5 versions

Signed-off-by: Bruce Rogers <brogers@suse.com>

.gitignore

@@ -48,4 +48,5 @@ pc-bios/bios-pq/status
 pc-bios/vgabios-pq/status
 pc-bios/optionrom/multiboot.bin
 pc-bios/optionrom/multiboot.raw
+pc-bios/optionrom/extboot.bin
 .stgit-*

EXTERNAL_DEPENDENCIES

@@ -0,0 +1,2 @@
+seabios 9fb3f4d950744e97cc655b7d7b523d8bf101e4a0
+vgabios 6e62666cfc19e7fd45dd0d7c3ad62fd8d0b5f67a

KVM_VERSION

@@ -0,0 +1 @@
+qemu-kvm-0.12.5

Makefile

@@ -63,6 +63,18 @@ config-host.h-timestamp: config-host.mak
 
 SUBDIR_RULES=$(patsubst %,subdir-%, $(TARGET_DIRS))
 
+ifeq ($(KVM_KMOD),yes)
+
+.PHONEY: kvm-kmod
+
+all: kvm-kmod
+
+kvm-kmod:
+	$(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C kvm/kernel V="$(V)" )
+
+
+endif
+
 subdir-%: $(GENERATED_HEADERS)
 	$(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $* V="$(V)" TARGET_DIR="$*/" all,)
 
@@ -94,6 +106,7 @@ block-obj-y = cutils.o cache-utils.o qemu-malloc.o qemu-option.o module.o
 block-obj-y += nbd.o block.o aio.o aes.o osdep.o
 block-obj-$(CONFIG_POSIX) += posix-aio-compat.o
 block-obj-$(CONFIG_LINUX_AIO) += linux-aio.o
+block-obj-$(CONFIG_POSIX) += compatfd.o
 
 block-nested-y += cow.o qcow.o vdi.o vmdk.o cloop.o dmg.o bochs.o vpc.o vvfat.o
 block-nested-y += qcow2.o qcow2-refcount.o qcow2-cluster.o qcow2-snapshot.o
@@ -283,6 +296,8 @@ pxe-ne2k_pci.bin pxe-pcnet.bin \
 pxe-rtl8139.bin pxe-virtio.bin \
 bamboo.dtb petalogix-s3adsp1800.dtb \
 multiboot.bin linuxboot.bin
+BLOBS += extboot.bin
+BLOBS += vapic.bin
 else
 BLOBS=
 endif
@@ -305,7 +320,12 @@ endif
 ifneq ($(BLOBS),)
 	$(INSTALL_DIR) "$(DESTDIR)$(datadir)"
 	set -e; for x in $(BLOBS); do \
+	    if [ -f $(SRC_PATH)/pc-bios/$$x ];then \
 		$(INSTALL_DATA) $(SRC_PATH)/pc-bios/$$x "$(DESTDIR)$(datadir)"; \
+	    fi \
+	    ; if [ -f pc-bios/optionrom/$$x ];then \
+		$(INSTALL_DATA) pc-bios/optionrom/$$x "$(DESTDIR)$(datadir)"; \
+	    fi \
 	done
 endif
 	$(INSTALL_DIR) "$(DESTDIR)$(datadir)/keymaps"
@@ -315,6 +335,9 @@ endif
 	for d in $(TARGET_DIRS); do \
 	$(MAKE) -C $$d $@ || exit 1 ; \
         done
+ifeq ($(KVM_KMOD),yes)
+	$(MAKE) -C kvm/kernel $@
+endif
 
 # various test targets
 test speed: all
@@ -435,6 +458,7 @@ tarbin:
 	$(datadir)/pxe-rtl8139.bin \
 	$(datadir)/pxe-pcnet.bin \
 	$(datadir)/pxe-e1000.bin \
+	$(datadir)/extboot.bin \
 	$(docdir)/qemu-doc.html \
 	$(docdir)/qemu-tech.html \
 	$(mandir)/man1/qemu.1 \

Makefile.hw

@@ -25,7 +25,9 @@ obj-$(CONFIG_ESCC) += escc.o
 # PCI watchdog devices
 obj-y += wdt_i6300esb.o
 
-obj-y += msix.o
+# MSI-X depends on kvm for interrupt injection,
+# so moved it from Makefile.hw to Makefile.target for now
+# obj-y += msix.o
 
 # PCI network cards
 obj-y += ne2000.o

Makefile.target

@@ -30,6 +30,8 @@ LIBS+=-lm
 
 kvm.o kvm-all.o: QEMU_CFLAGS+=$(KVM_CFLAGS)
 
+CFLAGS += $(KVM_CFLAGS)
+
 config-target.h: config-target.h-timestamp
 config-target.h-timestamp: config-target.mak
 
@@ -40,12 +42,18 @@ all: $(PROGS)
 
 #########################################################
 # cpu emulator library
-libobj-y = exec.o translate-all.o cpu-exec.o translate.o
-libobj-y += tcg/tcg.o
+libobj-y = exec.o cpu-exec.o
+libobj-$(CONFIG_NO_CPU_EMULATION) += fake-exec.o
+libobj-$(CONFIG_CPU_EMULATION) += translate-all.o translate.o
+libobj-$(CONFIG_CPU_EMULATION) += tcg/tcg.o
 libobj-$(CONFIG_SOFTFLOAT) += fpu/softfloat.o
 libobj-$(CONFIG_NOSOFTFLOAT) += fpu/softfloat-native.o
 libobj-y += op_helper.o helper.o
 libobj-$(CONFIG_NEED_MMU) += mmu.o
+
+libobj-$(CONFIG_KVM) += kvm-tpr-opt.o
+libobj-$(CONFIG_KVM) += qemu-kvm-helper.o
+
 libobj-$(TARGET_ARM) += neon_helper.o iwmmxt_helper.o
 libobj-$(TARGET_ALPHA) += alpha_palcode.o
 
@@ -82,6 +90,8 @@ op_helper.o cpu-exec.o: QEMU_CFLAGS += $(HELPER_CFLAGS)
 # cpu_signal_handler() in cpu-exec.c.
 signal.o: QEMU_CFLAGS += $(HELPER_CFLAGS)
 
+qemu-kvm-helper.o: QEMU_CFLAGS += $(HELPER_CFLAGS)
+
 #########################################################
 # Linux user emulator target
 
@@ -158,6 +168,10 @@ obj-y = vl.o async.o monitor.o pci.o pci_host.o pcie_host.o machine.o gdbstub.o
 # need to fix this properly
 obj-y += virtio-blk.o virtio-balloon.o virtio-net.o virtio-console.o virtio-pci.o
 obj-$(CONFIG_KVM) += kvm.o kvm-all.o
+# MSI-X depends on kvm for interrupt injection,
+# so moved it from Makefile.hw to Makefile.target for now
+obj-y += msix.o
+
 obj-$(CONFIG_ISA_MMIO) += isa_mmio.o
 LIBS+=-lz
 
@@ -194,12 +208,25 @@ obj-i386-y += fdc.o mc146818rtc.o serial.o i8259.o i8254.o pcspk.o pc.o
 obj-i386-y += cirrus_vga.o apic.o ioapic.o parallel.o acpi.o piix_pci.o
 obj-i386-y += usb-uhci.o vmmouse.o vmport.o vmware_vga.o hpet.o
 obj-i386-y += device-hotplug.o pci-hotplug.o smbios.o wdt_ib700.o
+obj-i386-y += extboot.o
 obj-i386-y += ne2000-isa.o
+obj-i386-y += testdev.o
+
+obj-i386-$(CONFIG_KVM_PIT) += i8254-kvm.o
+obj-i386-$(CONFIG_KVM_DEVICE_ASSIGNMENT) += device-assignment.o
+
+# Hardware support
+obj-ia64-y += ide.o pckbd.o vga.o $(SOUND_HW) dma.o $(AUDIODRV)
+obj-ia64-y += fdc.o mc146818rtc.o serial.o i8259.o ipf.o
+obj-ia64-y += cirrus_vga.o parallel.o acpi.o piix_pci.o
+obj-ia64-y += usb-uhci.o
+obj-ia64-$(CONFIG_KVM_DEVICE_ASSIGNMENT) += device-assignment.o
 
 # shared objects
 obj-ppc-y = ppc.o ide/core.o ide/qdev.o ide/isa.o ide/pci.o ide/macio.o
 obj-ppc-y += ide/cmd646.o
 obj-ppc-y += vga.o vga-pci.o $(sound-obj-y) dma.o openpic.o
+obj-ppc-y += cirrus_vga.o
 # PREP target
 obj-ppc-y += pckbd.o serial.o i8259.o i8254.o fdc.o mc146818rtc.o
 obj-ppc-y += prep_pci.o ppc_prep.o ne2000-isa.o
@@ -295,6 +322,11 @@ obj-m68k-y += m68k-semi.o dummy_m68k.o
 
 obj-s390x-y = s390-virtio-bus.o s390-virtio.o
 
+ifeq ($(TARGET_ARCH), ia64)
+firmware.o: firmware.c
+	$(CC) $(HELPER_CFLAGS) $(CPPFLAGS) $(BASE_CFLAGS) -c -o $@ $<
+endif
+
 main.o vl.o: QEMU_CFLAGS+=$(GPROF_CFLAGS)
 
 vl.o: QEMU_CFLAGS+=$(SDL_CFLAGS)

block/raw-posix.c

@@ -27,6 +27,8 @@
 #include "qemu-log.h"
 #include "block_int.h"
 #include "module.h"
+#include "compatfd.h"
+#include <assert.h>
 #include "block/raw-posix-aio.h"
 
 #ifdef CONFIG_COCOA

cache-utils.h

@@ -34,7 +34,28 @@ static inline void flush_icache_range(unsigned long start, unsigned long stop)
     asm volatile ("isync" : : : "memory");
 }
 
+/*
+ * Is this correct for PPC?
+ */
+static inline void dma_flush_range(unsigned long start, unsigned long stop)
+{
+}
+
+#elif defined(__ia64__)
+static inline void flush_icache_range(unsigned long start, unsigned long stop)
+{
+    while (start < stop) {
+	asm volatile ("fc %0" :: "r"(start));
+	start += 32;
+    }
+    asm volatile (";;sync.i;;srlz.i;;");
+}
+#define dma_flush_range(start, end) flush_icache_range(start, end)
+#define qemu_cache_utils_init(envp) do { (void) (envp); } while (0)
 #else
+static inline void dma_flush_range(unsigned long start, unsigned long stop)
+{
+}
 #define qemu_cache_utils_init(envp) do { (void) (envp); } while (0)
 #endif
 

compat/sys/eventfd.h

@@ -0,0 +1,13 @@
+#ifndef _COMPAT_SYS_EVENTFD
+#define _COMPAT_SYS_EVENTFD
+
+#include <unistd.h>
+#include <syscall.h>
+
+
+static inline int eventfd (int count, int flags)
+{
+    return syscall(SYS_eventfd, count, flags);
+}
+
+#endif

compatfd.c

@@ -0,0 +1,143 @@
+/*
+ * signalfd/eventfd compatibility
+ *
+ * Copyright IBM, Corp. 2008
+ *
+ * Authors:
+ *  Anthony Liguori   <aliguori@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.  See
+ * the COPYING file in the top-level directory.
+ *
+ */
+
+#include "qemu-common.h"
+#include "compatfd.h"
+
+#include <sys/syscall.h>
+#include <pthread.h>
+
+struct sigfd_compat_info
+{
+    sigset_t mask;
+    int fd;
+};
+
+static void *sigwait_compat(void *opaque)
+{
+    struct sigfd_compat_info *info = opaque;
+    int err;
+    sigset_t all;
+
+    sigfillset(&all);
+    sigprocmask(SIG_BLOCK, &all, NULL);
+
+    do {
+        siginfo_t siginfo;
+
+        err = sigwaitinfo(&info->mask, &siginfo);
+        if (err == -1 && errno == EINTR) {
+            err = 0;
+            continue;
+        }
+
+        if (err > 0) {
+            char buffer[128];
+            size_t offset = 0;
+
+            memcpy(buffer, &err, sizeof(err));
+            while (offset < sizeof(buffer)) {
+                ssize_t len;
+
+                len = write(info->fd, buffer + offset,
+                            sizeof(buffer) - offset);
+                if (len == -1 && errno == EINTR)
+                    continue;
+
+                if (len <= 0) {
+                    err = -1;
+                    break;
+                }
+
+                offset += len;
+            }
+        }
+    } while (err >= 0);
+
+    return NULL;
+}
+
+static int qemu_signalfd_compat(const sigset_t *mask)
+{
+    pthread_attr_t attr;
+    pthread_t tid;
+    struct sigfd_compat_info *info;
+    int fds[2];
+
+    info = malloc(sizeof(*info));
+    if (info == NULL) {
+        errno = ENOMEM;
+        return -1;
+    }
+
+    if (pipe(fds) == -1) {
+        free(info);
+        return -1;
+    }
+
+    qemu_set_cloexec(fds[0]);
+    qemu_set_cloexec(fds[1]);
+
+    memcpy(&info->mask, mask, sizeof(*mask));
+    info->fd = fds[1];
+
+    pthread_attr_init(&attr);
+    pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
+
+    pthread_create(&tid, &attr, sigwait_compat, info);
+
+    pthread_attr_destroy(&attr);
+
+    return fds[0];
+}
+
+int qemu_signalfd(const sigset_t *mask)
+{
+#if defined(CONFIG_SIGNALFD)
+    int ret;
+
+    ret = syscall(SYS_signalfd, -1, mask, _NSIG / 8);
+    if (ret != -1) {
+        qemu_set_cloexec(ret);
+        return ret;
+    }
+#endif
+
+    return qemu_signalfd_compat(mask);
+}
+
+int qemu_eventfd(int *fds)
+{
+    int ret;
+
+#if defined(CONFIG_EVENTFD)
+    ret = syscall(SYS_eventfd, 0);
+    if (ret >= 0) {
+        fds[0] = ret;
+        qemu_set_cloexec(ret);
+        if ((fds[1] = dup(ret)) == -1) {
+            close(ret);
+            return -1;
+        }
+        qemu_set_cloexec(fds[1]);
+        return 0;
+    }
+#endif
+
+    ret = pipe(fds);
+    if (ret != -1) {
+        qemu_set_cloexec(fds[0]);
+        qemu_set_cloexec(fds[1]);
+    }
+    return ret;
+}

compatfd.h

@@ -0,0 +1,45 @@
+/*
+ * signalfd/eventfd compatibility
+ *
+ * Copyright IBM, Corp. 2008
+ *
+ * Authors:
+ *  Anthony Liguori   <aliguori@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.  See
+ * the COPYING file in the top-level directory.
+ *
+ */
+
+#ifndef QEMU_COMPATFD_H
+#define QEMU_COMPATFD_H
+
+#include <signal.h>
+
+struct qemu_signalfd_siginfo {
+    uint32_t ssi_signo;   /* Signal number */
+    int32_t  ssi_errno;   /* Error number (unused) */
+    int32_t  ssi_code;    /* Signal code */
+    uint32_t ssi_pid;     /* PID of sender */
+    uint32_t ssi_uid;     /* Real UID of sender */
+    int32_t  ssi_fd;      /* File descriptor (SIGIO) */
+    uint32_t ssi_tid;     /* Kernel timer ID (POSIX timers) */
+    uint32_t ssi_band;    /* Band event (SIGIO) */
+    uint32_t ssi_overrun; /* POSIX timer overrun count */
+    uint32_t ssi_trapno;  /* Trap number that caused signal */
+    int32_t  ssi_status;  /* Exit status or signal (SIGCHLD) */
+    int32_t  ssi_int;     /* Integer sent by sigqueue(2) */
+    uint64_t ssi_ptr;     /* Pointer sent by sigqueue(2) */
+    uint64_t ssi_utime;   /* User CPU time consumed (SIGCHLD) */
+    uint64_t ssi_stime;   /* System CPU time consumed (SIGCHLD) */
+    uint64_t ssi_addr;    /* Address that generated signal
+                             (for hardware-generated signals) */
+    uint8_t  pad[48];     /* Pad size to 128 bytes (allow for
+                             additional fields in the future) */
+};
+
+int qemu_signalfd(const sigset_t *mask);
+
+int qemu_eventfd(int *fds);
+
+#endif

configure

@@ -160,7 +160,7 @@ else
   cpu=`uname -m`
 fi
 
-target_list=""
+target_list="x86_64-softmmu"
 case "$cpu" in
   alpha|cris|ia64|m68k|microblaze|ppc|ppc64|sparc64)
     cpu="$cpu"
@@ -197,6 +197,16 @@ case "$cpu" in
   ;;
 esac
 
+kvm_version() {
+    local fname="$(dirname "$0")/KVM_VERSION"
+
+    if test -f "$fname"; then
+        cat "$fname"
+    else
+        echo "qemu-kvm-devel"
+    fi
+}
+
 # Default value for a variable defining feature "foo".
 #  * foo="no"  feature will only be used if --enable-foo arg is given
 #  * foo=""    feature will be searched for, and if found, will be used
@@ -250,10 +260,15 @@ guest_base=""
 uname_release=""
 io_thread="no"
 mixemu="no"
+kvm_trace="no"
+kvm_cap_pit=""
+kvm_cap_device_assignment=""
 kerneldir=""
 aix="no"
 blobs="yes"
-pkgversion=""
+pkgversion=" ($(kvm_version))"
+cpu_emulation="yes"
+kvm_kmod="no"
 check_utests="no"
 user_pie="no"
 zero_malloc=""
@@ -389,6 +404,13 @@ AIX)
   if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
     audio_possible_drivers="$audio_possible_drivers fmod"
   fi
+  if [ "$cpu" = "ia64" ] ; then
+     xen="no"
+     target_list="ia64-softmmu"
+     cpu_emulation="no"
+     gdbstub="no"
+     slirp="no"
+  fi
 ;;
 esac
 
@@ -518,6 +540,14 @@ for opt do
   ;;
   --enable-kvm) kvm="yes"
   ;;
+  --disable-kvm-cap-pit) kvm_cap_pit="no"
+  ;;
+  --enable-kvm-cap-pit) kvm_cap_pit="yes"
+  ;;
+  --disable-kvm-cap-device-assignment) kvm_cap_device_assignment="no"
+  ;;
+  --enable-kvm-cap-device-assignment) kvm_cap_device_assignment="yes"
+  ;;
   --enable-profiler) profiler="yes"
   ;;
   --enable-cocoa)
@@ -595,12 +625,16 @@ for opt do
   ;;
   --kerneldir=*) kerneldir="$optarg"
   ;;
+  --with-kvm-trace) kvm_trace="yes"
+  ;;
   --with-pkgversion=*) pkgversion=" ($optarg)"
   ;;
   --disable-docs) docs="no"
   ;;
   --enable-docs) docs="yes"
   ;;
+  --disable-cpu-emulation) cpu_emulation="no"
+  ;;
   *) echo "ERROR: unknown option $opt"; show_help="yes"
   ;;
   esac
@@ -722,6 +756,10 @@ echo "  --disable-bluez          disable bluez stack connectivity"
 echo "  --enable-bluez           enable bluez stack connectivity"
 echo "  --disable-kvm            disable KVM acceleration support"
 echo "  --enable-kvm             enable KVM acceleration support"
+echo "  --disable-cap-kvm-pit    disable KVM pit support"
+echo "  --enable-cap-kvm-pit     enable KVM pit support"
+echo "  --disable-cap-device-assignment    disable KVM device assignment support"
+echo "  --enable-cap-device-assignment     enable KVM device assignment support"
 echo "  --disable-nptl           disable usermode NPTL support"
 echo "  --enable-nptl            enable usermode NPTL support"
 echo "  --enable-system          enable all system emulation targets"
@@ -753,6 +791,8 @@ echo "  --enable-linux-aio       enable Linux AIO support"
 echo "  --enable-io-thread       enable IO thread"
 echo "  --disable-blobs          disable installing provided firmware blobs"
 echo "  --kerneldir=PATH         look for kernel includes in PATH"
+echo "  --with-kvm-trace         enable building the KVM module with the kvm trace option"
+echo "  --disable-cpu-emulation  disables use of qemu cpu emulation code"
 echo ""
 echo "NOTE: The object files are built at the place where configure is launched"
 exit 1
@@ -1384,8 +1424,22 @@ EOF
             kvm_cflags="$kvm_cflags -I$kerneldir/arch/$cpu/include"
       fi
   else
-      kvm_cflags=""
+      case "$cpu" in
+      i386 | x86_64)
+        kvm_arch="x86"
+        ;;
+      ppc)
+        kvm_arch="powerpc"
+        ;;
+      *)
+        kvm_arch="$cpu"
+        ;;
+      esac
+      kvm_cflags="-I$source_path/kvm/include"
+      kvm_cflags="$kvm_cflags -include $source_path/kvm/include/linux/config.h"
+      kvm_cflags="$kvm_cflags -I$source_path/kvm/include/$kvm_arch"
   fi
+  kvm_cflags="$kvm_cflags -idirafter $source_path/compat"
   if compile_prog "$kvm_cflags" "" ; then
     kvm=yes
   else
@@ -1407,6 +1461,75 @@ EOF
   fi
 fi
 
+##########################################
+# test for KVM_CAP_PIT
+
+if test "$kvm_cap_pit" != "no" ; then
+  if test "$kvm" = "no" -a "$kvm_cap_pit" = "yes" ; then
+      feature_not_found "kvm_cap_pit (kvm is not enabled)"
+  fi
+  cat > $TMPC <<EOF
+#include <linux/kvm.h>
+#ifndef KVM_CAP_PIT
+#error "kvm no pit capability"
+#endif
+int main(void) { return 0; }
+EOF
+  if compile_prog "$kvm_cflags" ""; then
+    kvm_cap_pit=yes
+  else
+    if test "$kvm_cap_pit" = "yes" ; then
+      feature_not_found "kvm_cap_pit"
+    fi
+    kvm_cap_pit=no
+  fi
+fi
+
+##########################################
+# test for KVM_CAP_DEVICE_ASSIGNMENT
+
+if test "$kvm_cap_device_assignment" != "no" ; then
+  if test "$kvm" = "no" -a "$kvm_cap_device_assignment" = "yes" ; then
+      feature_not_found "kvm_cap_device_assignment (kvm is not enabled)"
+  fi
+  cat > $TMPC <<EOF
+#include <linux/kvm.h>
+#ifndef KVM_CAP_DEVICE_ASSIGNMENT
+#error "kvm no device assignment capability"
+#endif
+int main(void) { return 0; }
+EOF
+  if compile_prog "$kvm_cflags" "" ; then
+    kvm_cap_device_assignment=yes
+  else
+    if test "$kvm_cap_device_assignment" = "yes" ; then
+      feature_not_found "kvm_cap_device_assigment"
+    fi
+    kvm_cap_device_assignment=no
+  fi
+fi
+
+##########################################
+# libpci probe for kvm_cap_device_assignment
+if test $kvm_cap_device_assignment = "yes" ; then
+  cat > $TMPC << EOF
+#include <pci/pci.h>
+#ifndef PCI_VENDOR_ID
+#error NO LIBPCI
+#endif
+int main(void) { struct pci_access a; pci_init(&a); return 0; }
+EOF
+  if compile_prog "" "-lpci -lz" ; then
+    libs_softmmu="-lpci -lz $libs_softmmu"
+  else
+    echo
+    echo "Error: libpci check failed"
+    echo "Disable KVM Device Assignment capability."
+    echo
+    kvm_cap_device_assignment=no
+  fi
+fi
+
 ##########################################
 # pthread probe
 PTHREADLIBS_LIST="-lpthread -lpthreadGC2"
@@ -1613,6 +1736,21 @@ if compile_prog "" "" ; then
   splice=yes
 fi
 
+##########################################
+# signalfd probe
+signalfd="no"
+cat > $TMPC << EOF
+#define _GNU_SOURCE
+#include <unistd.h>
+#include <sys/syscall.h>
+#include <signal.h>
+int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
+EOF
+
+if $cc $ARCH_CFLAGS -o $TMPE $TMPC 2> /dev/null ; then
+  signalfd=yes
+fi
+
 # check if eventfd is supported
 eventfd=no
 cat > $TMPC << EOF
@@ -1842,6 +1980,20 @@ else
   binsuffix="/bin"
 fi
 
+if test -f kvm/kernel/configure; then
+    kvm_kmod="yes"
+    kmod_args=""
+    if test -n "$kerneldir"; then
+        kmod_args="--kerneldir=$kerneldir"
+    fi
+    if test "$kvm_trace" = "yes"; then
+        kmod_args="$kmod_args --with-kvm-trace"
+    fi
+    # hope there are no spaces in kmod_args; can't use arrays because of
+    # dash.
+    (cd kvm/kernel; ./configure $kmod_args)
+fi
+
 echo "Install prefix    $prefix"
 echo "BIOS directory    $prefix$datasuffix"
 echo "binary directory  $prefix$binsuffix"
@@ -1885,6 +2037,7 @@ if test -n "$sparc_cpu"; then
     echo "Target Sparc Arch $sparc_cpu"
 fi
 echo "xen support       $xen"
+echo "CPU emulation     $cpu_emulation"
 echo "brlapi support    $brlapi"
 echo "bluez  support    $bluez"
 echo "Documentation     $docs"
@@ -1898,6 +2051,9 @@ echo "IO thread         $io_thread"
 echo "Linux AIO support $linux_aio"
 echo "Install blobs     $blobs"
 echo "KVM support       $kvm"
+echo "KVM PIT support   $kvm_cap_pit"
+echo "KVM device assig. $kvm_cap_device_assignment"
+echo "KVM trace support $kvm_trace"
 echo "fdt support       $fdt"
 echo "preadv support    $preadv"
 echo "fdatasync         $fdatasync"
@@ -2104,6 +2260,9 @@ fi
 if test "$fdt" = "yes" ; then
   echo "CONFIG_FDT=y" >> $config_host_mak
 fi
+if test "$signalfd" = "yes" ; then
+  echo "CONFIG_SIGNALFD=y" >> $config_host_mak
+fi
 if test "$need_offsetof" = "yes" ; then
   echo "CONFIG_NEED_OFFSETOF=y" >> $config_host_mak
 fi
@@ -2113,6 +2272,11 @@ fi
 if test "$fdatasync" = "yes" ; then
   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
 fi
+if test $cpu_emulation = "yes"; then
+  echo "CONFIG_CPU_EMULATION=y" >> $config_host_mak
+else
+  echo "CONFIG_NO_CPU_EMULATION=y" >> $config_host_mak
+fi
 
 # XXX: suppress that
 if [ "$bsd" = "yes" ] ; then
@@ -2138,6 +2302,8 @@ bsd)
 ;;
 esac
 
+echo "KVM_KMOD=$kvm_kmod" >> $config_host_mak
+
 tools=
 if test `expr "$target_list" : ".*softmmu.*"` != 0 ; then
   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
@@ -2288,6 +2454,9 @@ case "$target_arch2" in
     TARGET_BASE_ARCH=i386
     target_phys_bits=64
   ;;
+  ia64)
+    target_phys_bits=64
+  ;;
   alpha)
     target_phys_bits=64
   ;;
@@ -2418,6 +2587,12 @@ case "$target_arch2" in
       \( "$target_arch2" = "i386"   -a "$cpu" = "x86_64" \) \) ; then
       echo "CONFIG_KVM=y" >> $config_target_mak
       echo "KVM_CFLAGS=$kvm_cflags" >> $config_target_mak
+      if test $kvm_cap_pit = "yes" ; then
+        echo "CONFIG_KVM_PIT=y" >> $config_target_mak
+      fi
+      if test $kvm_cap_device_assignment = "yes" ; then
+        echo "CONFIG_KVM_DEVICE_ASSIGNMENT=y" >> $config_target_mak
+      fi
     fi
 esac
 echo "TARGET_PHYS_ADDR_BITS=$target_phys_bits" >> $config_target_mak
@@ -2626,7 +2801,7 @@ if test "$source_path_used" = "yes" ; then
 fi
 
 # temporary config to build submodules
-for rom in seabios vgabios ; do
+for rom in seabios vgabios; do
     config_mak=roms/$rom/config.mak
     echo "# Automatically generated by configure - do not modify" >> $config_mak
     echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak

cpu-all.h

@@ -849,6 +849,7 @@ extern int phys_ram_fd;
 extern uint8_t *phys_ram_dirty;
 extern ram_addr_t ram_size;
 extern ram_addr_t last_ram_offset;
+extern uint8_t *bios_mem;
 
 /* physical memory access */
 

cpu-common.h

@@ -34,6 +34,7 @@ void qemu_ram_free(ram_addr_t addr);
 /* This should only be used for ram local to a device.  */
 void *qemu_get_ram_ptr(ram_addr_t addr);
 /* This should not be used by devices.  */
+int do_qemu_ram_addr_from_host(void *ptr, ram_addr_t *ram_addr);
 ram_addr_t qemu_ram_addr_from_host(void *ptr);
 
 int cpu_register_io_memory(CPUReadMemoryFunc * const *mem_read,

cpu-defs.h

@@ -27,6 +27,7 @@
 #include <setjmp.h>
 #include <inttypes.h>
 #include <signal.h>
+#include <pthread.h>
 #include "osdep.h"
 #include "qemu-queue.h"
 #include "targphys.h"
@@ -134,6 +135,16 @@ typedef struct CPUWatchpoint {
     QTAILQ_ENTRY(CPUWatchpoint) entry;
 } CPUWatchpoint;
 
+/* forward decleration */
+struct qemu_work_item;
+
+struct KVMCPUState {
+    pthread_t thread;
+    int signalled;
+    struct qemu_work_item *queued_work_first, *queued_work_last;
+    int regs_modified;
+};
+
 #define CPU_TEMP_BUF_NLONGS 128
 #define CPU_COMMON                                                      \
     struct TranslationBlock *current_tb; /* currently executing TB  */  \
@@ -146,8 +157,6 @@ typedef struct CPUWatchpoint {
     target_ulong mem_io_vaddr; /* target virtual addr at which the      \
                                      memory was accessed */             \
     uint32_t halted; /* Nonzero if the CPU is in suspend state */       \
-    uint32_t stop;   /* Stop request */                                 \
-    uint32_t stopped; /* Artificially stopped */                        \
     uint32_t interrupt_request;                                         \
     volatile sig_atomic_t exit_request;                                 \
     /* The meaning of the MMU modes is defined in the target code. */   \
@@ -188,6 +197,7 @@ typedef struct CPUWatchpoint {
     int nr_cores;  /* number of cores within this CPU package */        \
     int nr_threads;/* number of threads within this CPU */              \
     int running; /* Nonzero if cpu is currently running(usermode).  */  \
+    int thread_id;							\
     /* user data */                                                     \
     void *opaque;                                                       \
                                                                         \
@@ -197,6 +207,9 @@ typedef struct CPUWatchpoint {
     const char *cpu_model_str;                                          \
     struct KVMState *kvm_state;                                         \
     struct kvm_run *kvm_run;                                            \
-    int kvm_fd;
+    int kvm_fd;                                                         \
+    uint32_t stop;   /* Stop request */                                 \
+    uint32_t stopped; /* Artificially stopped */                        \
+    struct KVMCPUState kvm_cpu_state;
 
 #endif

cpu-exec.c

@@ -19,7 +19,9 @@
 #include "config.h"
 #include "exec.h"
 #include "disas.h"
+#if !defined(TARGET_IA64)
 #include "tcg.h"
+#endif
 #include "kvm.h"
 
 #if !defined(CONFIG_SOFTMMU)
@@ -38,6 +40,8 @@
 #endif
 #endif
 
+#include "qemu-kvm.h"
+
 #if defined(__sparc__) && !defined(CONFIG_SOLARIS)
 // Work around ugly bugs in glibc that mangle global register contents
 #undef env
@@ -252,6 +256,7 @@ int cpu_exec(CPUState *env1)
 #elif defined(TARGET_SH4)
 #elif defined(TARGET_CRIS)
 #elif defined(TARGET_S390X)
+#elif defined(TARGET_IA64)
     /* XXXXX */
 #else
 #error unsupported target CPU
@@ -319,6 +324,8 @@ int cpu_exec(CPUState *env1)
                     do_interrupt(env);
 #elif defined(TARGET_M68K)
                     do_interrupt(0);
+#elif defined(TARGET_IA64)
+		    do_interrupt(env);
 #endif
 #endif
                 }
@@ -674,6 +681,7 @@ int cpu_exec(CPUState *env1)
 #elif defined(TARGET_MICROBLAZE)
 #elif defined(TARGET_MIPS)
 #elif defined(TARGET_SH4)
+#elif defined(TARGET_IA64)
 #elif defined(TARGET_ALPHA)
 #elif defined(TARGET_CRIS)
 #elif defined(TARGET_S390X)

cutils.c

@@ -218,6 +218,11 @@ void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf)
     }
 }
 
+/*
+ * No dma flushing needed here, as the aio code will call dma_bdrv_cb()
+ * on completion as well, which will result in a call to
+ * dma_bdrv_unmap() which will do the flushing ....
+ */
 void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count)
 {
     const uint8_t *p = (const uint8_t *)buf;

dma-helpers.c

@@ -160,6 +160,10 @@ static BlockDriverAIOCB *dma_bdrv_io(
     dbs->is_write = is_write;
     dbs->bh = NULL;
     qemu_iovec_init(&dbs->iov, sg->nsg);
+    /*
+     * DMA flushing is handled in dma_bdrv_cb() calling dma_bdrv_unmap()
+     * so we don't need to do that here.
+     */
     dma_bdrv_cb(dbs, 0);
     if (!dbs->acb) {
         qemu_aio_release(dbs);

exec.c

@@ -34,7 +34,13 @@
 #include "cpu.h"
 #include "exec-all.h"
 #include "qemu-common.h"
+#include "cache-utils.h"
+
+#if !defined(TARGET_IA64)
 #include "tcg.h"
+#endif
+#include "qemu-kvm.h"
+
 #include "hw/hw.h"
 #include "osdep.h"
 #include "kvm.h"
@@ -74,6 +80,8 @@
 #define TARGET_PHYS_ADDR_SPACE_BITS 42
 #elif defined(TARGET_I386)
 #define TARGET_PHYS_ADDR_SPACE_BITS 36
+#elif defined(TARGET_IA64)
+#define TARGET_PHYS_ADDR_SPACE_BITS 36
 #else
 #define TARGET_PHYS_ADDR_SPACE_BITS 32
 #endif
@@ -111,6 +119,7 @@ uint8_t *code_gen_ptr;
 #if !defined(CONFIG_USER_ONLY)
 int phys_ram_fd;
 uint8_t *phys_ram_dirty;
+uint8_t *bios_mem;
 static int in_migration;
 
 typedef struct RAMBlock {
@@ -412,6 +421,9 @@ static uint8_t static_code_gen_buffer[DEFAULT_CODE_GEN_BUFFER_SIZE];
 
 static void code_gen_alloc(unsigned long tb_size)
 {
+    if (kvm_enabled())
+        return;
+
 #ifdef USE_STATIC_CODE_GEN_BUFFER
     code_gen_buffer = static_code_gen_buffer;
     code_gen_buffer_size = DEFAULT_CODE_GEN_BUFFER_SIZE;
@@ -588,6 +600,11 @@ void cpu_exec_init(CPUState *env)
     env->numa_node = 0;
     QTAILQ_INIT(&env->breakpoints);
     QTAILQ_INIT(&env->watchpoints);
+#ifdef __WIN32
+    env->thread_id = GetCurrentProcessId();
+#else
+    env->thread_id = getpid();
+#endif
     *penv = env;
 #if defined(CONFIG_USER_ONLY)
     cpu_list_unlock();
@@ -1553,6 +1570,8 @@ void cpu_interrupt(CPUState *env, int mask)
 
     old_mask = env->interrupt_request;
     env->interrupt_request |= mask;
+    if (kvm_enabled() && !kvm_irqchip_in_kernel())
+	kvm_update_interrupt_request(env);
 
 #ifndef CONFIG_USER_ONLY
     /*
@@ -1880,7 +1899,6 @@ void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
 
 int cpu_physical_memory_set_dirty_tracking(int enable)
 {
-    in_migration = enable;
     if (kvm_enabled()) {
         return kvm_set_migration_log(enable);
     }
@@ -2404,6 +2422,113 @@ void qemu_unregister_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size)
         kvm_uncoalesce_mmio_region(addr, size);
 }
 
+#ifdef __linux__
+
+#include <sys/vfs.h>
+
+#define HUGETLBFS_MAGIC       0x958458f6
+
+static long gethugepagesize(const char *path)
+{
+    struct statfs fs;
+    int ret;
+
+    do {
+	    ret = statfs(path, &fs);
+    } while (ret != 0 && errno == EINTR);
+
+    if (ret != 0) {
+	    perror("statfs");
+	    return 0;
+    }
+
+    if (fs.f_type != HUGETLBFS_MAGIC)
+	    fprintf(stderr, "Warning: path not on HugeTLBFS: %s\n", path);
+
+    return fs.f_bsize;
+}
+
+static void *file_ram_alloc(ram_addr_t memory, const char *path)
+{
+    char *filename;
+    void *area;
+    int fd;
+#ifdef MAP_POPULATE
+    int flags;
+#endif
+    unsigned long hpagesize;
+    extern int mem_prealloc;
+
+    if (!path) {
+        return NULL;
+    }
+
+    hpagesize = gethugepagesize(path);
+    if (!hpagesize) {
+	return NULL;
+    }
+
+    if (memory < hpagesize) {
+        return NULL;
+    }
+
+    if (kvm_enabled() && !kvm_has_sync_mmu()) {
+        fprintf(stderr, "host lacks mmu notifiers, disabling --mem-path\n");
+        return NULL;
+    }
+
+    if (asprintf(&filename, "%s/kvm.XXXXXX", path) == -1) {
+	return NULL;
+    }
+
+    fd = mkstemp(filename);
+    if (fd < 0) {
+	perror("mkstemp");
+	free(filename);
+	return NULL;
+    }
+    unlink(filename);
+    free(filename);
+
+    memory = (memory+hpagesize-1) & ~(hpagesize-1);
+
+    /*
+     * ftruncate is not supported by hugetlbfs in older
+     * hosts, so don't bother checking for errors.
+     * If anything goes wrong with it under other filesystems,
+     * mmap will fail.
+     */
+    ftruncate(fd, memory);
+
+#ifdef MAP_POPULATE
+    /* NB: MAP_POPULATE won't exhaustively alloc all phys pages in the case
+     * MAP_PRIVATE is requested.  For mem_prealloc we mmap as MAP_SHARED
+     * to sidestep this quirk.
+     */
+    flags = mem_prealloc ? MAP_POPULATE|MAP_SHARED : MAP_PRIVATE;
+    area = mmap(0, memory, PROT_READ|PROT_WRITE, flags, fd, 0);
+#else
+    area = mmap(0, memory, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd, 0);
+#endif
+    if (area == MAP_FAILED) {
+	perror("alloc_mem_area: can't mmap hugetlbfs pages");
+	close(fd);
+	return (NULL);
+    }
+    return area;
+}
+
+#else
+
+static void *file_ram_alloc(ram_addr_t memory, const char *path)
+{
+    return NULL;
+}
+
+#endif
+
+extern const char *mem_path;
+
 ram_addr_t qemu_ram_alloc(ram_addr_t size)
 {
     RAMBlock *new_block;
@@ -2411,16 +2536,20 @@ ram_addr_t qemu_ram_alloc(ram_addr_t size)
     size = TARGET_PAGE_ALIGN(size);
     new_block = qemu_malloc(sizeof(*new_block));
 
+    new_block->host = file_ram_alloc(size, mem_path);
+    if (!new_block->host) {
 #if defined(TARGET_S390X) && defined(CONFIG_KVM)
     /* XXX S390 KVM requires the topmost vma of the RAM to be < 256GB */
-    new_block->host = mmap((void*)0x1000000, size, PROT_EXEC|PROT_READ|PROT_WRITE,
-                           MAP_SHARED | MAP_ANONYMOUS, -1, 0);
+        new_block->host = mmap((void*)0x1000000, size,
+                               PROT_EXEC|PROT_READ|PROT_WRITE,
+                               MAP_SHARED | MAP_ANONYMOUS, -1, 0);
 #else
-    new_block->host = qemu_vmalloc(size);
+        new_block->host = qemu_vmalloc(size);
 #endif
 #ifdef MADV_MERGEABLE
-    madvise(new_block->host, size, MADV_MERGEABLE);
+        madvise(new_block->host, size, MADV_MERGEABLE);
 #endif
+    }
     new_block->offset = last_ram_offset;
     new_block->length = size;
 
@@ -2482,9 +2611,7 @@ void *qemu_get_ram_ptr(ram_addr_t addr)
     return block->host + (addr - block->offset);
 }
 
-/* Some of the softmmu routines need to translate from a host pointer
-   (typically a TLB entry) back to a ram offset.  */
-ram_addr_t qemu_ram_addr_from_host(void *ptr)
+int do_qemu_ram_addr_from_host(void *ptr, ram_addr_t *ram_addr)
 {
     RAMBlock *prev;
     RAMBlock **prevp;
@@ -2501,11 +2628,23 @@ ram_addr_t qemu_ram_addr_from_host(void *ptr)
         prev = block;
         block = block->next;
     }
-    if (!block) {
+    if (!block)
+        return -1;
+    *ram_addr = block->offset + (host - block->host);
+    return 0;
+}
+
+/* Some of the softmmu routines need to translate from a host pointer
+   (typically a TLB entry) back to a ram offset.  */
+ram_addr_t qemu_ram_addr_from_host(void *ptr)
+{
+    ram_addr_t ram_addr;
+
+    if (do_qemu_ram_addr_from_host(ptr, &ram_addr)) {
         fprintf(stderr, "Bad ram pointer %p\n", ptr);
         abort();
     }
-    return block->offset + (host - block->host);
+    return ram_addr;
 }
 
 static uint32_t unassigned_mem_readb(void *opaque, target_phys_addr_t addr)
@@ -3091,6 +3230,11 @@ void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf,
                     phys_ram_dirty[addr1 >> TARGET_PAGE_BITS] |=
                         (0xff & ~CODE_DIRTY_FLAG);
                 }
+		/* qemu doesn't execute guest code directly, but kvm does
+		   therefore flush instruction caches */
+		if (kvm_enabled())
+		    flush_icache_range((unsigned long)ptr,
+				       ((unsigned long)ptr)+l);
             }
         } else {
             if ((pd & ~TARGET_PAGE_MASK) > IO_MEM_ROM &&
@@ -3283,6 +3427,8 @@ void *cpu_physical_memory_map(target_phys_addr_t addr,
 void cpu_physical_memory_unmap(void *buffer, target_phys_addr_t len,
                                int is_write, target_phys_addr_t access_len)
 {
+    unsigned long flush_len = (unsigned long)access_len;
+
     if (buffer != bounce.buffer) {
         if (is_write) {
             ram_addr_t addr1 = qemu_ram_addr_from_host(buffer);
@@ -3300,7 +3446,9 @@ void cpu_physical_memory_unmap(void *buffer, target_phys_addr_t len,
                 }
                 addr1 += l;
                 access_len -= l;
-            }
+	    }
+	    dma_flush_range((unsigned long)buffer,
+			    (unsigned long)buffer + flush_len);
         }
         return;
     }
@@ -3668,7 +3816,9 @@ void dump_exec_info(FILE *f,
     cpu_fprintf(f, "TB flush count      %d\n", tb_flush_count);
     cpu_fprintf(f, "TB invalidate count %d\n", tb_phys_invalidate_count);
     cpu_fprintf(f, "TLB flush count     %d\n", tlb_flush_count);
+#ifdef CONFIG_PROFILER
     tcg_dump_info(f, cpu_fprintf);
+#endif
 }
 
 #if !defined(CONFIG_USER_ONLY)

fpu/softfloat-native.c

@@ -5,6 +5,7 @@
 #if defined(CONFIG_SOLARIS)
 #include <fenv.h>
 #endif
+#include "config-host.h"
 
 void set_float_rounding_mode(int val STATUS_PARAM)
 {

gdbstub.c

@@ -34,6 +34,7 @@
 #include "sysemu.h"
 #include "gdbstub.h"
 #endif
+#include "qemu-kvm.h"
 
 #define MAX_PACKET_LENGTH 4096
 

hw/acpi.c

@@ -23,6 +23,8 @@
 #include "i2c.h"
 #include "smbus.h"
 #include "kvm.h"
+#include "qemu-kvm.h"
+#include "string.h"
 
 //#define DEBUG
 
@@ -521,6 +523,13 @@ i2c_bus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
 
     pci_conf[0x40] = 0x01; /* PM io base read only bit */
 
+#if defined(TARGET_IA64)
+    pci_conf[0x40] = 0x41; /* PM io base read only bit */
+    pci_conf[0x41] = 0x1f;
+    pm_write_config(s, 0x80, 0x01, 1); /*Set default pm_io_base 0x1f40*/
+    s->pmcntrl = SCI_EN;
+#endif
+
     register_ioport_write(0xb2, 2, 1, pm_smi_writeb, s);
     register_ioport_read(0xb2, 2, 1, pm_smi_readb, s);
 
@@ -559,12 +568,14 @@ i2c_bus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
 }
 
 #define GPE_BASE 0xafe0
+#define PROC_BASE 0xaf00
 #define PCI_BASE 0xae00
 #define PCI_EJ_BASE 0xae08
 
 struct gpe_regs {
     uint16_t sts; /* status */
     uint16_t en;  /* enabled */
+    uint8_t cpus_sts[32];
 };
 
 struct pci_status {
@@ -587,6 +598,10 @@ static uint32_t gpe_readb(void *opaque, uint32_t addr)
     uint32_t val = 0;
     struct gpe_regs *g = opaque;
     switch (addr) {
+        case PROC_BASE ... PROC_BASE+31:
+            val = g->cpus_sts[addr - PROC_BASE];
+            break;
+
         case GPE_BASE:
         case GPE_BASE + 1:
             val = gpe_read_val(g->sts, addr);
@@ -629,6 +644,10 @@ static void gpe_writeb(void *opaque, uint32_t addr, uint32_t val)
 {
     struct gpe_regs *g = opaque;
     switch (addr) {
+        case PROC_BASE ... PROC_BASE + 31:
+            /* don't allow to change cpus_sts from inside a guest */
+            break;
+
         case GPE_BASE:
         case GPE_BASE + 1:
             gpe_reset_val(&g->sts, addr, val);
@@ -712,22 +731,72 @@ static void pciej_write(void *opaque, uint32_t addr, uint32_t val)
 #endif
 }
 
+static const char *model;
+
 static int piix4_device_hotplug(PCIDevice *dev, int state);
 
-void piix4_acpi_system_hot_add_init(PCIBus *bus)
+void piix4_acpi_system_hot_add_init(PCIBus *bus, const char *cpu_model)
 {
+    int i = 0, cpus = smp_cpus;
+
+    while (cpus > 0) {
+        gpe.cpus_sts[i++] = (cpus < 8) ? (1 << cpus) - 1 : 0xff;
+        cpus -= 8;
+    }
     register_ioport_write(GPE_BASE, 4, 1, gpe_writeb, &gpe);
     register_ioport_read(GPE_BASE, 4, 1,  gpe_readb, &gpe);
 
+    register_ioport_write(PROC_BASE, 32, 1, gpe_writeb, &gpe);
+    register_ioport_read(PROC_BASE, 32, 1,  gpe_readb, &gpe);
+
     register_ioport_write(PCI_BASE, 8, 4, pcihotplug_write, &pci0_status);
     register_ioport_read(PCI_BASE, 8, 4,  pcihotplug_read, &pci0_status);
 
     register_ioport_write(PCI_EJ_BASE, 4, 4, pciej_write, bus);
     register_ioport_read(PCI_EJ_BASE, 4, 4,  pciej_read, bus);
 
+    model = cpu_model;
+
     pci_bus_hotplug(bus, piix4_device_hotplug);
 }
 
+#if defined(TARGET_I386)
+static void enable_processor(struct gpe_regs *g, int cpu)
+{
+    g->sts |= 4;
+    g->cpus_sts[cpu/8] |= (1 << (cpu%8));
+}
+
+static void disable_processor(struct gpe_regs *g, int cpu)
+{
+    g->sts |= 4;
+    g->cpus_sts[cpu/8] &= ~(1 << (cpu%8));
+}
+
+void qemu_system_cpu_hot_add(int cpu, int state)
+{
+    CPUState *env;
+
+    if (state && !qemu_get_cpu(cpu)) {
+        env = pc_new_cpu(model);
+        if (!env) {
+            fprintf(stderr, "cpu %d creation failed\n", cpu);
+            return;
+        }
+        env->cpuid_apic_id = cpu;
+    }
+
+    if (state)
+        enable_processor(&gpe, cpu);
+    else
+        disable_processor(&gpe, cpu);
+    if (gpe.en & 4) {
+        qemu_set_irq(pm_state->irq, 1);
+        qemu_set_irq(pm_state->irq, 0);
+    }
+}
+#endif
+
 static void enable_device(struct pci_status *p, struct gpe_regs *g, int slot)
 {
     g->sts |= 2;

hw/apic.c

@@ -24,6 +24,8 @@
 #include "host-utils.h"
 #include "kvm.h"
 
+#include "qemu-kvm.h"
+
 //#define DEBUG_APIC
 
 /* APIC Local Vector Table */
@@ -299,8 +301,11 @@ void cpu_set_apic_base(CPUState *env, uint64_t val)
 #endif
     if (!s)
         return;
-    s->apicbase = (val & 0xfffff000) |
-        (s->apicbase & (MSR_IA32_APICBASE_BSP | MSR_IA32_APICBASE_ENABLE));
+    if (kvm_enabled() && kvm_irqchip_in_kernel())
+        s->apicbase = val;
+    else
+        s->apicbase = (val & 0xfffff000) |
+            (s->apicbase & (MSR_IA32_APICBASE_BSP | MSR_IA32_APICBASE_ENABLE));
     /* if disabled, cannot be enabled again */
     if (!(val & MSR_IA32_APICBASE_ENABLE)) {
         s->apicbase &= ~MSR_IA32_APICBASE_ENABLE;
@@ -393,6 +398,11 @@ int apic_get_irq_delivered(void)
     return apic_irq_delivered;
 }
 
+void apic_set_irq_delivered(void)
+{
+    apic_irq_delivered = 1;
+}
+
 static void apic_set_irq(APICState *s, int vector_num, int trigger_mode)
 {
     apic_irq_delivered += !get_bit(s->irr, vector_num);
@@ -478,6 +488,7 @@ void apic_init_reset(CPUState *env)
     if (!s)
         return;
 
+    cpu_synchronize_state(env);
     s->tpr = 0;
     s->spurious_vec = 0xff;
     s->log_dest = 0;
@@ -497,6 +508,13 @@ void apic_init_reset(CPUState *env)
     s->wait_for_sipi = 1;
 
     env->halted = !(s->apicbase & MSR_IA32_APICBASE_BSP);
+#ifdef KVM_CAP_MP_STATE
+    if (kvm_enabled() && kvm_irqchip_in_kernel()) {
+        env->mp_state
+            = env->halted ? KVM_MP_STATE_UNINITIALIZED : KVM_MP_STATE_RUNNABLE;
+        kvm_load_mpstate(env);
+    }
+#endif
 }
 
 static void apic_startup(APICState *s, int vector_num)
@@ -864,6 +882,115 @@ static void apic_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
     }
 }
 
+#ifdef KVM_CAP_IRQCHIP
+
+static inline uint32_t kapic_reg(struct kvm_lapic_state *kapic, int reg_id)
+{
+    return *((uint32_t *) (kapic->regs + (reg_id << 4)));
+}
+
+static inline void kapic_set_reg(struct kvm_lapic_state *kapic,
+                                 int reg_id, uint32_t val)
+{
+    *((uint32_t *) (kapic->regs + (reg_id << 4))) = val;
+}
+
+static void kvm_kernel_lapic_save_to_user(APICState *s)
+{
+    struct kvm_lapic_state apic;
+    struct kvm_lapic_state *kapic = &apic;
+    int i, v;
+
+    kvm_get_lapic(s->cpu_env, kapic);
+
+    s->id = kapic_reg(kapic, 0x2) >> 24;
+    s->tpr = kapic_reg(kapic, 0x8);
+    s->arb_id = kapic_reg(kapic, 0x9);
+    s->log_dest = kapic_reg(kapic, 0xd) >> 24;
+    s->dest_mode = kapic_reg(kapic, 0xe) >> 28;
+    s->spurious_vec = kapic_reg(kapic, 0xf);
+    for (i = 0; i < 8; i++) {
+        s->isr[i] = kapic_reg(kapic, 0x10 + i);
+        s->tmr[i] = kapic_reg(kapic, 0x18 + i);
+        s->irr[i] = kapic_reg(kapic, 0x20 + i);
+    }
+    s->esr = kapic_reg(kapic, 0x28);
+    s->icr[0] = kapic_reg(kapic, 0x30);
+    s->icr[1] = kapic_reg(kapic, 0x31);
+    for (i = 0; i < APIC_LVT_NB; i++)
+	s->lvt[i] = kapic_reg(kapic, 0x32 + i);
+    s->initial_count = kapic_reg(kapic, 0x38);
+    s->divide_conf = kapic_reg(kapic, 0x3e);
+
+    v = (s->divide_conf & 3) | ((s->divide_conf >> 1) & 4);
+    s->count_shift = (v + 1) & 7;
+
+    s->initial_count_load_time = qemu_get_clock(vm_clock);
+    apic_timer_update(s, s->initial_count_load_time);
+}
+
+static void kvm_kernel_lapic_load_from_user(APICState *s)
+{
+    struct kvm_lapic_state apic;
+    struct kvm_lapic_state *klapic = &apic;
+    int i;
+
+    memset(klapic, 0, sizeof apic);
+    kapic_set_reg(klapic, 0x2, s->id << 24);
+    kapic_set_reg(klapic, 0x8, s->tpr);
+    kapic_set_reg(klapic, 0xd, s->log_dest << 24);
+    kapic_set_reg(klapic, 0xe, s->dest_mode << 28 | 0x0fffffff);
+    kapic_set_reg(klapic, 0xf, s->spurious_vec);
+    for (i = 0; i < 8; i++) {
+        kapic_set_reg(klapic, 0x10 + i, s->isr[i]);
+        kapic_set_reg(klapic, 0x18 + i, s->tmr[i]);
+        kapic_set_reg(klapic, 0x20 + i, s->irr[i]);
+    }
+    kapic_set_reg(klapic, 0x28, s->esr);
+    kapic_set_reg(klapic, 0x30, s->icr[0]);
+    kapic_set_reg(klapic, 0x31, s->icr[1]);
+    for (i = 0; i < APIC_LVT_NB; i++)
+        kapic_set_reg(klapic, 0x32 + i, s->lvt[i]);
+    kapic_set_reg(klapic, 0x38, s->initial_count);
+    kapic_set_reg(klapic, 0x3e, s->divide_conf);
+
+    kvm_set_lapic(s->cpu_env, klapic);
+}
+
+#endif
+
+void qemu_kvm_load_lapic(CPUState *env)
+{
+#ifdef KVM_CAP_IRQCHIP
+    if (kvm_enabled() && kvm_vcpu_inited(env) && kvm_irqchip_in_kernel()) {
+        kvm_kernel_lapic_load_from_user(env->apic_state);
+    }
+#endif
+}
+
+static void apic_pre_save(void *opaque)
+{
+#ifdef KVM_CAP_IRQCHIP
+    APICState *s = (void *)opaque;
+
+    if (kvm_enabled() && kvm_irqchip_in_kernel()) {
+        kvm_kernel_lapic_save_to_user(s);
+    }
+#endif
+}
+
+static int apic_post_load(void *opaque, int version_id)
+{
+#ifdef KVM_CAP_IRQCHIP
+    APICState *s = opaque;
+
+    if (kvm_enabled() && kvm_irqchip_in_kernel()) {
+        kvm_kernel_lapic_load_from_user(s);
+    }
+#endif
+    return 0;
+}
+
 /* This function is only used for old state version 1 and 2 */
 static int apic_load_old(QEMUFile *f, void *opaque, int version_id)
 {
@@ -900,6 +1027,9 @@ static int apic_load_old(QEMUFile *f, void *opaque, int version_id)
 
     if (version_id >= 2)
         qemu_get_timer(f, s->timer);
+
+    qemu_kvm_load_lapic(s->cpu_env);
+
     return 0;
 }
 
@@ -930,7 +1060,9 @@ static const VMStateDescription vmstate_apic = {
         VMSTATE_INT64(next_time, APICState),
         VMSTATE_TIMER(timer, APICState),
         VMSTATE_END_OF_LIST()
-    }
+    },
+    .pre_save = apic_pre_save,
+    .post_load = apic_post_load,
 };
 
 static void apic_reset(void *opaque)
@@ -955,6 +1087,7 @@ static void apic_reset(void *opaque)
          */
         s->lvt[APIC_LVT_LINT0] = 0x700;
     }
+    qemu_kvm_load_lapic(s->cpu_env);
 }
 
 static CPUReadMemoryFunc * const apic_mem_read[3] = {
@@ -998,6 +1131,11 @@ int apic_init(CPUState *env)
     vmstate_register(s->idx, &vmstate_apic, s);
     qemu_register_reset(apic_reset, s);
 
+    /* apic_reset must be called before the vcpu threads are initialized and load
+     * registers, in qemu-kvm.
+     */
+    apic_reset(s);
+
     local_apics[s->idx] = s;
     return 0;
 }

hw/cirrus_vga.c

@@ -32,6 +32,7 @@
 #include "console.h"
 #include "vga_int.h"
 #include "kvm.h"
+#include "qemu-kvm.h"
 #include "loader.h"
 
 /*
@@ -2552,6 +2553,7 @@ static CPUWriteMemoryFunc * const cirrus_linear_bitblt_write[3] = {
 
 static void map_linear_vram(CirrusVGAState *s)
 {
+    vga_dirty_log_stop(&s->vga);
     if (!s->vga.map_addr && s->vga.lfb_addr && s->vga.lfb_end) {
         s->vga.map_addr = s->vga.lfb_addr;
         s->vga.map_end = s->vga.lfb_end;
@@ -2561,13 +2563,19 @@ static void map_linear_vram(CirrusVGAState *s)
     if (!s->vga.map_addr)
         return;
 
+#ifndef TARGET_IA64
     s->vga.lfb_vram_mapped = 0;
 
+    cpu_register_physical_memory(isa_mem_base + 0xa0000, 0x8000,
+                                (s->vga.vram_offset + s->cirrus_bank_base[0]) | IO_MEM_UNASSIGNED);
+    cpu_register_physical_memory(isa_mem_base + 0xa8000, 0x8000,
+                                (s->vga.vram_offset + s->cirrus_bank_base[1]) | IO_MEM_UNASSIGNED);
     if (!(s->cirrus_srcptr != s->cirrus_srcptr_end)
         && !((s->vga.sr[0x07] & 0x01) == 0)
         && !((s->vga.gr[0x0B] & 0x14) == 0x14)
         && !(s->vga.gr[0x0B] & 0x02)) {
 
+        vga_dirty_log_stop(&s->vga);
         cpu_register_physical_memory(isa_mem_base + 0xa0000, 0x8000,
                                     (s->vga.vram_offset + s->cirrus_bank_base[0]) | IO_MEM_RAM);
         cpu_register_physical_memory(isa_mem_base + 0xa8000, 0x8000,
@@ -2579,12 +2587,14 @@ static void map_linear_vram(CirrusVGAState *s)
         cpu_register_physical_memory(isa_mem_base + 0xa0000, 0x20000,
                                      s->vga.vga_io_memory);
     }
+#endif
 
     vga_dirty_log_start(&s->vga);
 }
 
 static void unmap_linear_vram(CirrusVGAState *s)
 {
+    vga_dirty_log_stop(&s->vga);
     if (s->vga.map_addr && s->vga.lfb_addr && s->vga.lfb_end) {
         s->vga.map_addr = s->vga.map_end = 0;
          cpu_register_physical_memory(s->vga.lfb_addr, s->vga.vram_size,
@@ -2592,6 +2602,8 @@ static void unmap_linear_vram(CirrusVGAState *s)
     }
     cpu_register_physical_memory(isa_mem_base + 0xa0000, 0x20000,
                                  s->vga.vga_io_memory);
+
+    vga_dirty_log_start(&s->vga);
 }
 
 /* Compute the memory access functions */
@@ -3145,6 +3157,8 @@ static void cirrus_pci_lfb_map(PCIDevice *d, int region_num,
 {
     CirrusVGAState *s = &DO_UPCAST(PCICirrusVGAState, dev, d)->cirrus_vga;
 
+    vga_dirty_log_stop(&s->vga);
+
     /* XXX: add byte swapping apertures */
     cpu_register_physical_memory(addr, s->vga.vram_size,
 				 s->cirrus_linear_io_addr);
@@ -3176,10 +3190,14 @@ static void pci_cirrus_write_config(PCIDevice *d,
     PCICirrusVGAState *pvs = DO_UPCAST(PCICirrusVGAState, dev, d);
     CirrusVGAState *s = &pvs->cirrus_vga;
 
+    vga_dirty_log_stop(&s->vga);
+
     pci_default_write_config(d, address, val, len);
     if (s->vga.map_addr && d->io_regions[0].addr == PCI_BAR_UNMAPPED)
         s->vga.map_addr = 0;
     cirrus_update_memory_access(s);
+
+    vga_dirty_log_start(&s->vga);
 }
 
 static int pci_cirrus_vga_initfn(PCIDevice *dev)

hw/device-assignment.h

@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2007, Neocleus Corporation.
+ * Copyright (c) 2007, Intel Corporation.
+ *
+ * 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.
+ *
+ *  Data structures for storing PCI state
+ *
+ *  Adapted to kvm by Qumranet
+ *
+ *  Copyright (c) 2007, Neocleus, Alex Novik (alex@neocleus.com)
+ *  Copyright (c) 2007, Neocleus, Guy Zana (guy@neocleus.com)
+ *  Copyright (C) 2008, Qumranet, Amit Shah (amit.shah@qumranet.com)
+ *  Copyright (C) 2008, Red Hat, Amit Shah (amit.shah@redhat.com)
+ */
+
+#ifndef __DEVICE_ASSIGNMENT_H__
+#define __DEVICE_ASSIGNMENT_H__
+
+#include <sys/mman.h>
+#include "qemu-common.h"
+#include "qemu-queue.h"
+#include "pci.h"
+
+/* From include/linux/pci.h in the kernel sources */
+#define PCI_DEVFN(slot, func)   ((((slot) & 0x1f) << 3) | ((func) & 0x07))
+
+typedef struct PCIHostDevice {
+    int bus;
+    int dev;
+    int func;
+} PCIHostDevice;
+
+typedef struct {
+    int type;           /* Memory or port I/O */
+    int valid;
+    uint32_t base_addr;
+    uint32_t size;    /* size of the region */
+    int resource_fd;
+} PCIRegion;
+
+typedef struct {
+    uint8_t bus, dev, func; /* Bus inside domain, device and function */
+    int irq;                /* IRQ number */
+    uint16_t region_number; /* number of active regions */
+
+    /* Port I/O or MMIO Regions */
+    PCIRegion regions[PCI_NUM_REGIONS];
+    int config_fd;
+} PCIDevRegions;
+
+typedef struct {
+    pcibus_t e_physbase;
+    uint32_t memory_index;
+    union {
+        void *r_virtbase;    /* mmapped access address for memory regions */
+        uint32_t r_baseport; /* the base guest port for I/O regions */
+    } u;
+    int num;            /* our index within v_addrs[] */
+    pcibus_t e_size;    /* emulated size of region in bytes */
+    pcibus_t r_size;    /* real size of region in bytes */
+} AssignedDevRegion;
+
+typedef struct AssignedDevice {
+    PCIDevice dev;
+    PCIHostDevice host;
+    uint32_t use_iommu;
+    int intpin;
+    uint8_t debug_flags;
+    AssignedDevRegion v_addrs[PCI_NUM_REGIONS];
+    PCIDevRegions real_device;
+    int run;
+    int girq;
+    unsigned char h_busnr;
+    unsigned int h_devfn;
+    int irq_requested_type;
+    int bound;
+    struct pci_dev *pdev;
+    struct {
+#define ASSIGNED_DEVICE_CAP_MSI (1 << 0)
+#define ASSIGNED_DEVICE_CAP_MSIX (1 << 1)
+        uint32_t available;
+#define ASSIGNED_DEVICE_MSI_ENABLED (1 << 0)
+#define ASSIGNED_DEVICE_MSIX_ENABLED (1 << 1)
+#define ASSIGNED_DEVICE_MSIX_MASKED (1 << 2)
+        uint32_t state;
+    } cap;
+    int irq_entries_nr;
+    struct kvm_irq_routing_entry *entry;
+    void *msix_table_page;
+    target_phys_addr_t msix_table_addr;
+    int mmio_index;
+    int need_emulate_cmd;
+    QLIST_ENTRY(AssignedDevice) next;
+} AssignedDevice;
+
+QemuOpts *add_assigned_device(const char *arg);
+void add_assigned_devices(PCIBus *bus, const char **devices, int n_devices);
+void assigned_dev_update_irqs(void);
+
+#define MAX_DEV_ASSIGN_CMDLINE 8
+
+extern const char *assigned_devices[MAX_DEV_ASSIGN_CMDLINE];
+extern int assigned_devices_index;
+
+#endif              /* __DEVICE_ASSIGNMENT_H__ */

hw/extboot.c

@@ -0,0 +1,135 @@
+/*
+ * Extended boot option ROM support.
+ *
+ * Copyright IBM, Corp. 2007
+ *
+ * Authors:
+ *  Anthony Liguori   <aliguori@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.  See
+ * the COPYING file in the top-level directory.
+ *
+ */
+
+#include "hw.h"
+#include "pc.h"
+#include "isa.h"
+#include "block.h"
+
+/* Extended Boot ROM suport */
+
+union extboot_cmd
+{
+    uint16_t type;
+    struct {
+	uint16_t type;
+	uint16_t cylinders;
+	uint16_t heads;
+	uint16_t sectors;
+	uint64_t nb_sectors;
+    } query_geometry;
+    struct {
+	uint16_t type;
+	uint16_t nb_sectors;
+	uint16_t segment;
+	uint16_t offset;
+	uint64_t sector;
+    } xfer;
+};
+
+static void get_translated_chs(BlockDriverState *bs, int *c, int *h, int *s)
+{
+    bdrv_get_geometry_hint(bs, c, h, s);
+
+    if (*c <= 1024) {
+	*c >>= 0;
+	*h <<= 0;
+    } else if (*c <= 2048) {
+	*c >>= 1;
+	*h <<= 1;
+    } else if (*c <= 4096) {
+	*c >>= 2;
+	*h <<= 2;
+    } else if (*c <= 8192) {
+	*c >>= 3;
+	*h <<= 3;
+    } else {
+	*c >>= 4;
+	*h <<= 4;
+    }
+
+    /* what is the correct algorithm for this?? */
+    if (*h == 256) {
+	*h = 255;
+	*c = *c + 1;
+    }
+}
+
+static uint32_t extboot_read(void *opaque, uint32_t addr)
+{
+    int *pcmd = opaque;
+    return *pcmd;
+}
+
+static void extboot_write_cmd(void *opaque, uint32_t addr, uint32_t value)
+{
+    union extboot_cmd cmd;
+    BlockDriverState *bs = opaque;
+    int cylinders, heads, sectors, err;
+    uint64_t nb_sectors;
+    target_phys_addr_t pa = 0;
+    int blen = 0;
+    void *buf = NULL;
+
+    cpu_physical_memory_read((value & 0xFFFF) << 4, (uint8_t *)&cmd,
+                             sizeof(cmd));
+
+    if (cmd.type == 0x01 || cmd.type == 0x02) {
+	pa = cmd.xfer.segment * 16 + cmd.xfer.offset;
+        blen = cmd.xfer.nb_sectors * 512;
+        buf = qemu_memalign(512, blen);
+    }
+
+    switch (cmd.type) {
+    case 0x00:
+        get_translated_chs(bs, &cylinders, &heads, &sectors);
+	bdrv_get_geometry(bs, &nb_sectors);
+	cmd.query_geometry.cylinders = cylinders;
+	cmd.query_geometry.heads = heads;
+	cmd.query_geometry.sectors = sectors;
+	cmd.query_geometry.nb_sectors = nb_sectors;
+	break;
+    case 0x01:
+	err = bdrv_read(bs, cmd.xfer.sector, buf, cmd.xfer.nb_sectors);
+	if (err)
+	    printf("Read failed\n");
+
+        cpu_physical_memory_write(pa, buf, blen);
+
+	break;
+    case 0x02:
+        cpu_physical_memory_read(pa, buf, blen);
+
+	err = bdrv_write(bs, cmd.xfer.sector, buf, cmd.xfer.nb_sectors);
+	if (err)
+	    printf("Write failed\n");
+
+	break;
+    }
+
+    cpu_physical_memory_write((value & 0xFFFF) << 4, (uint8_t *)&cmd,
+                              sizeof(cmd));
+    if (buf)
+        qemu_free(buf);
+}
+
+void extboot_init(BlockDriverState *bs, int cmd)
+{
+    int *pcmd;
+
+    pcmd = qemu_mallocz(sizeof(int));
+
+    *pcmd = cmd;
+    register_ioport_read(0x404, 1, 1, extboot_read, pcmd);
+    register_ioport_write(0x405, 1, 2, extboot_write_cmd, bs);
+}

hw/hpet.c

@@ -170,6 +170,11 @@ static int hpet_post_load(void *opaque, int version_id)
 
     /* Recalculate the offset between the main counter and guest time */
     s->hpet_offset = ticks_to_ns(s->hpet_counter) - qemu_get_clock(vm_clock);
+
+    if (hpet_in_legacy_mode()) {
+        hpet_disable_pit();
+    }
+
     return 0;
 }
 
@@ -473,9 +478,11 @@ static void hpet_ram_writel(void *opaque, target_phys_addr_t addr,
                 }
                 /* i8254 and RTC are disabled when HPET is in legacy mode */
                 if (activating_bit(old_val, new_val, HPET_CFG_LEGACY)) {
-                    hpet_pit_disable();
+                    hpet_disable_pit();
+                    dprintf("qemu: hpet disabled pit\n");
                 } else if (deactivating_bit(old_val, new_val, HPET_CFG_LEGACY)) {
-                    hpet_pit_enable();
+                    hpet_enable_pit();
+                    dprintf("qemu: hpet enabled pit\n");
                 }
                 break;
             case HPET_CFG + 4:
@@ -559,7 +566,7 @@ static void hpet_reset(void *opaque) {
          * hpet_reset is called due to system reset. At this point control must
          * be returned to pit until SW reenables hpet.
          */
-        hpet_pit_enable();
+        hpet_enable_pit();
     count = 1;
 }
 

hw/hw.h

@@ -342,6 +342,10 @@ extern const VMStateInfo vmstate_info_uint16;
 extern const VMStateInfo vmstate_info_uint32;
 extern const VMStateInfo vmstate_info_uint64;
 
+#ifdef __linux__
+extern const VMStateInfo vmstate_info_u64;
+#endif
+
 extern const VMStateInfo vmstate_info_timer;
 extern const VMStateInfo vmstate_info_ptimer;
 extern const VMStateInfo vmstate_info_buffer;
@@ -622,6 +626,15 @@ extern const VMStateDescription vmstate_i2c_slave;
 #define VMSTATE_UINT64(_f, _s)                                        \
     VMSTATE_UINT64_V(_f, _s, 0)
 
+/* This is needed because on linux __u64 is unsigned long long
+   and on glibc uint64_t is unsigned long on 64 bits */
+#ifdef __linux__
+#define VMSTATE_U64_V(_f, _s, _v)                                     \
+    VMSTATE_SINGLE(_f, _s, _v, vmstate_info_u64, __u64)
+#define VMSTATE_U64(_f, _s)                                           \
+    VMSTATE_U64_V(_f, _s, 0)
+#endif
+
 #define VMSTATE_UINT8_EQUAL(_f, _s)                                   \
     VMSTATE_SINGLE(_f, _s, 0, vmstate_info_uint8_equal, uint8_t)
 

hw/i8254-kvm.c

@@ -0,0 +1,122 @@
+/*
+ * QEMU 8253/8254 interval timer emulation
+ *
+ * Copyright (c) 2003-2004 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "hw.h"
+#include "pc.h"
+#include "isa.h"
+#include "qemu-timer.h"
+#include "i8254.h"
+#include "qemu-kvm.h"
+
+extern VMStateDescription vmstate_pit;
+
+static PITState pit_state;
+
+static void kvm_pit_pre_save(void *opaque)
+{
+    PITState *s = (void *)opaque;
+    struct kvm_pit_state2 pit2;
+    struct kvm_pit_channel_state *c;
+    struct PITChannelState *sc;
+    int i;
+
+    if(qemu_kvm_has_pit_state2()) {
+        kvm_get_pit2(kvm_context, &pit2);
+        s->flags = pit2.flags;
+    } else {
+        /* pit2 is superset of pit struct so just cast it and use it */
+        kvm_get_pit(kvm_context, (struct kvm_pit_state *)&pit2);
+    }
+    for (i = 0; i < 3; i++) {
+	c = &pit2.channels[i];
+	sc = &s->channels[i];
+	sc->count = c->count;
+	sc->latched_count = c->latched_count;
+	sc->count_latched = c->count_latched;
+	sc->status_latched = c->status_latched;
+	sc->status = c->status;
+	sc->read_state = c->read_state;
+	sc->write_state = c->write_state;
+	sc->write_latch = c->write_latch;
+	sc->rw_mode = c->rw_mode;
+	sc->mode = c->mode;
+	sc->bcd = c->bcd;
+	sc->gate = c->gate;
+	sc->count_load_time = c->count_load_time;
+    }
+}
+
+static int kvm_pit_post_load(void *opaque, int version_id)
+{
+    PITState *s = opaque;
+    struct kvm_pit_state2 pit2;
+    struct kvm_pit_channel_state *c;
+    struct PITChannelState *sc;
+    int i;
+
+    pit2.flags = s->flags;
+    for (i = 0; i < 3; i++) {
+	c = &pit2.channels[i];
+	sc = &s->channels[i];
+	c->count = sc->count;
+	c->latched_count = sc->latched_count;
+	c->count_latched = sc->count_latched;
+	c->status_latched = sc->status_latched;
+	c->status = sc->status;
+	c->read_state = sc->read_state;
+	c->write_state = sc->write_state;
+	c->write_latch = sc->write_latch;
+	c->rw_mode = sc->rw_mode;
+	c->mode = sc->mode;
+	c->bcd = sc->bcd;
+	c->gate = sc->gate;
+	c->count_load_time = sc->count_load_time;
+    }
+
+    if(qemu_kvm_has_pit_state2()) {
+        kvm_set_pit2(kvm_context, &pit2);
+    } else {
+        kvm_set_pit(kvm_context, (struct kvm_pit_state *)&pit2);
+    }
+    return 0;
+}
+
+static void dummy_timer(void *opaque)
+{
+}
+
+PITState *kvm_pit_init(int base, qemu_irq irq)
+{
+    PITState *pit = &pit_state;
+    PITChannelState *s;
+
+    s = &pit->channels[0];
+    s->irq_timer = qemu_new_timer(vm_clock, dummy_timer, s);
+    vmstate_pit.pre_save = kvm_pit_pre_save;
+    vmstate_pit.post_load = kvm_pit_post_load;
+    vmstate_register(base, &vmstate_pit, pit);
+    qemu_register_reset(pit_reset, pit);
+    pit_reset(pit);
+
+    return pit;
+}

hw/i8254.c

@@ -25,38 +25,11 @@
 #include "pc.h"
 #include "isa.h"
 #include "qemu-timer.h"
+#include "qemu-kvm.h"
+#include "i8254.h"
 
 //#define DEBUG_PIT
 
-#define RW_STATE_LSB 1
-#define RW_STATE_MSB 2
-#define RW_STATE_WORD0 3
-#define RW_STATE_WORD1 4
-
-typedef struct PITChannelState {
-    int count; /* can be 65536 */
-    uint16_t latched_count;
-    uint8_t count_latched;
-    uint8_t status_latched;
-    uint8_t status;
-    uint8_t read_state;
-    uint8_t write_state;
-    uint8_t write_latch;
-    uint8_t rw_mode;
-    uint8_t mode;
-    uint8_t bcd; /* not supported */
-    uint8_t gate; /* timer start */
-    int64_t count_load_time;
-    /* irq handling */
-    int64_t next_transition_time;
-    QEMUTimer *irq_timer;
-    qemu_irq irq;
-} PITChannelState;
-
-struct PITState {
-    PITChannelState channels[3];
-};
-
 static PITState pit_state;
 
 static void pit_irq_timer_update(PITChannelState *s, int64_t current_time);
@@ -228,13 +201,18 @@ int pit_get_mode(PITState *pit, int channel)
     return s->mode;
 }
 
-static inline void pit_load_count(PITChannelState *s, int val)
+static inline void pit_load_count(PITState *s, int val, int chan)
 {
     if (val == 0)
         val = 0x10000;
-    s->count_load_time = qemu_get_clock(vm_clock);
-    s->count = val;
-    pit_irq_timer_update(s, s->count_load_time);
+    s->channels[chan].count_load_time = qemu_get_clock(vm_clock);
+    s->channels[chan].count = val;
+#ifdef TARGET_I386
+    if (chan == 0 && pit_state.flags & PIT_FLAGS_HPET_LEGACY) {
+        return;
+    }
+#endif
+    pit_irq_timer_update(&s->channels[chan], s->channels[chan].count_load_time);
 }
 
 /* if already latched, do not latch again */
@@ -294,17 +272,17 @@ static void pit_ioport_write(void *opaque, uint32_t addr, uint32_t val)
         switch(s->write_state) {
         default:
         case RW_STATE_LSB:
-            pit_load_count(s, val);
+            pit_load_count(pit, val, addr);
             break;
         case RW_STATE_MSB:
-            pit_load_count(s, val << 8);
+            pit_load_count(pit, val << 8, addr);
             break;
         case RW_STATE_WORD0:
             s->write_latch = val;
             s->write_state = RW_STATE_WORD1;
             break;
         case RW_STATE_WORD1:
-            pit_load_count(s, s->write_latch | (val << 8));
+            pit_load_count(pit, s->write_latch | (val << 8), addr);
             s->write_state = RW_STATE_WORD0;
             break;
         }
@@ -364,6 +342,11 @@ static uint32_t pit_ioport_read(void *opaque, uint32_t addr)
     return ret;
 }
 
+/* global counters for time-drift fix */
+int64_t timer_acks=0, timer_interrupts=0, timer_ints_to_push=0;
+
+extern int time_drift_fix;
+
 static void pit_irq_timer_update(PITChannelState *s, int64_t current_time)
 {
     int64_t expire_time;
@@ -374,16 +357,35 @@ static void pit_irq_timer_update(PITChannelState *s, int64_t current_time)
     expire_time = pit_get_next_transition_time(s, current_time);
     irq_level = pit_get_out1(s, current_time);
     qemu_set_irq(s->irq, irq_level);
+    if (time_drift_fix && irq_level==1) {
+        /* FIXME: fine tune timer_max_fix (max fix per tick). 
+         *        Should it be 1 (double time), 2 , 4, 10 ? 
+         *        Currently setting it to 5% of PIT-ticks-per-second (per PIT-tick)
+         */
+        const long pit_ticks_per_sec = (s->count>0) ? (PIT_FREQ/s->count) : 0;
+        const long timer_max_fix = pit_ticks_per_sec/20;
+        const long delta = timer_interrupts - timer_acks;
+        const long max_delta = pit_ticks_per_sec * 60; /* one minute */
+        if ((delta >  max_delta) && (pit_ticks_per_sec > 0)) {
+            printf("time drift is too long, %ld seconds were lost\n", delta/pit_ticks_per_sec);
+            timer_acks = timer_interrupts;
+            timer_ints_to_push = 0;
+        } else if (delta > 0) {
+            timer_ints_to_push = MIN(delta, timer_max_fix);
+        }
+        timer_interrupts++;
+    }
 #ifdef DEBUG_PIT
     printf("irq_level=%d next_delay=%f\n",
            irq_level,
            (double)(expire_time - current_time) / get_ticks_per_sec());
 #endif
     s->next_transition_time = expire_time;
-    if (expire_time != -1)
+    if (expire_time != -1) {
         qemu_mod_timer(s->irq_timer, expire_time);
-    else
+    } else {
         qemu_del_timer(s->irq_timer);
+    }
 }
 
 static void pit_irq_timer(void *opaque)
@@ -423,9 +425,10 @@ static int pit_load_old(QEMUFile *f, void *opaque, int version_id)
     PITChannelState *s;
     int i;
 
-    if (version_id != 1)
+    if (version_id != PIT_SAVEVM_VERSION)
         return -EINVAL;
 
+    pit->flags = qemu_get_be32(f);
     for(i = 0; i < 3; i++) {
         s = &pit->channels[i];
         s->count=qemu_get_be32(f);
@@ -446,57 +449,85 @@ static int pit_load_old(QEMUFile *f, void *opaque, int version_id)
             qemu_get_timer(f, s->irq_timer);
         }
     }
+
     return 0;
 }
 
-static const VMStateDescription vmstate_pit = {
+VMStateDescription vmstate_pit = {
     .name = "i8254",
     .version_id = 2,
     .minimum_version_id = 2,
     .minimum_version_id_old = 1,
     .load_state_old = pit_load_old,
     .fields      = (VMStateField []) {
+        VMSTATE_UINT32(flags, PITState),
         VMSTATE_STRUCT_ARRAY(channels, PITState, 3, 2, vmstate_pit_channel, PITChannelState),
         VMSTATE_TIMER(channels[0].irq_timer, PITState),
         VMSTATE_END_OF_LIST()
     }
 };
 
-static void pit_reset(void *opaque)
+void pit_reset(void *opaque)
 {
     PITState *pit = opaque;
     PITChannelState *s;
     int i;
 
+#ifdef TARGET_I386
+    pit->flags &= ~PIT_FLAGS_HPET_LEGACY;
+#endif
     for(i = 0;i < 3; i++) {
         s = &pit->channels[i];
         s->mode = 3;
         s->gate = (i != 2);
-        pit_load_count(s, 0);
+        pit_load_count(pit, 0, i);
     }
 }
 
+#ifdef TARGET_I386
 /* When HPET is operating in legacy mode, i8254 timer0 is disabled */
-void hpet_pit_disable(void) {
-    PITChannelState *s;
-    s = &pit_state.channels[0];
-    if (s->irq_timer)
-        qemu_del_timer(s->irq_timer);
+
+void hpet_disable_pit(void)
+{
+    PITChannelState *s = &pit_state.channels[0];
+
+    if (kvm_enabled() && qemu_kvm_pit_in_kernel()) {
+        if (qemu_kvm_has_pit_state2()) {
+            kvm_hpet_disable_kpit();
+        } else {
+             fprintf(stderr, "%s: kvm does not support pit_state2!\n", __FUNCTION__);
+             exit(1);
+        }
+    } else {
+        pit_state.flags |= PIT_FLAGS_HPET_LEGACY;
+        if (s->irq_timer) {
+            qemu_del_timer(s->irq_timer);
+        }
+    }
 }
 
 /* When HPET is reset or leaving legacy mode, it must reenable i8254
  * timer 0
  */
 
-void hpet_pit_enable(void)
+void hpet_enable_pit(void)
 {
     PITState *pit = &pit_state;
-    PITChannelState *s;
-    s = &pit->channels[0];
-    s->mode = 3;
-    s->gate = 1;
-    pit_load_count(s, 0);
+    PITChannelState *s = &pit->channels[0];
+
+    if (kvm_enabled() && qemu_kvm_pit_in_kernel()) {
+        if (qemu_kvm_has_pit_state2()) {
+            kvm_hpet_enable_kpit();
+        } else {
+             fprintf(stderr, "%s: kvm does not support pit_state2!\n", __FUNCTION__);
+             exit(1);
+        }
+    } else {
+        pit_state.flags &= ~PIT_FLAGS_HPET_LEGACY;
+        pit_load_count(pit, s->count, 0);
+    }
 }
+#endif
 
 PITState *pit_init(int base, qemu_irq irq)
 {

hw/i8254.h

@@ -0,0 +1,69 @@
+/*
+ * QEMU 8253/8254 interval timer emulation
+ *
+ * Copyright (c) 2003-2004 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef QEMU_I8254_H
+#define QEMU_I8254_H
+
+#define PIT_SAVEVM_NAME "i8254"
+#define PIT_SAVEVM_VERSION 2
+
+#define RW_STATE_LSB 1
+#define RW_STATE_MSB 2
+#define RW_STATE_WORD0 3
+#define RW_STATE_WORD1 4
+
+#define PIT_FLAGS_HPET_LEGACY  1
+
+typedef struct PITChannelState {
+    int count; /* can be 65536 */
+    uint16_t latched_count;
+    uint8_t count_latched;
+    uint8_t status_latched;
+    uint8_t status;
+    uint8_t read_state;
+    uint8_t write_state;
+    uint8_t write_latch;
+    uint8_t rw_mode;
+    uint8_t mode;
+    uint8_t bcd; /* not supported */
+    uint8_t gate; /* timer start */
+    int64_t count_load_time;
+    /* irq handling */
+    int64_t next_transition_time;
+    QEMUTimer *irq_timer;
+    qemu_irq irq;
+} PITChannelState;
+
+struct PITState {
+    PITChannelState channels[3];
+    uint32_t flags;
+};
+
+void pit_save(QEMUFile *f, void *opaque);
+
+int pit_load(QEMUFile *f, void *opaque, int version_id);
+
+void pit_reset(void *opaque);
+
+#endif

hw/i8259.c

@@ -27,6 +27,8 @@
 #include "monitor.h"
 #include "qemu-timer.h"
 
+#include "qemu-kvm.h"
+
 /* debug PIC */
 //#define DEBUG_PIC
 
@@ -181,7 +183,6 @@ int64_t irq_time[16];
 static void i8259_set_irq(void *opaque, int irq, int level)
 {
     PicState2 *s = opaque;
-
 #if defined(DEBUG_PIC) || defined(DEBUG_IRQ_COUNT)
     if (level != irq_level[irq]) {
 #if defined(DEBUG_PIC)
@@ -212,18 +213,35 @@ static inline void pic_intack(PicState *s, int irq)
     } else {
         s->isr |= (1 << irq);
     }
+
     /* We don't clear a level sensitive interrupt here */
     if (!(s->elcr & (1 << irq)))
         s->irr &= ~(1 << irq);
+
 }
 
+extern int time_drift_fix;
+
 int pic_read_irq(PicState2 *s)
 {
     int irq, irq2, intno;
 
     irq = pic_get_irq(&s->pics[0]);
     if (irq >= 0) {
+
         pic_intack(&s->pics[0], irq);
+#ifndef TARGET_IA64
+	if (time_drift_fix && irq == 0) {
+	    extern int64_t timer_acks, timer_ints_to_push;
+	    timer_acks++;
+	    if (timer_ints_to_push > 0) {
+		timer_ints_to_push--;
+                /* simulate an edge irq0, like the one generated by i8254 */
+                pic_set_irq1(&s->pics[0], 0, 0);
+                pic_set_irq1(&s->pics[0], 0, 1);
+	    }
+	}
+#endif
         if (irq == 2) {
             irq2 = pic_get_irq(&s->pics[1]);
             if (irq2 >= 0) {
@@ -446,9 +464,33 @@ static uint32_t elcr_ioport_read(void *opaque, uint32_t addr1)
     return s->elcr;
 }
 
+static void kvm_kernel_pic_save_to_user(PicState *s);
+static int kvm_kernel_pic_load_from_user(PicState *s);
+
+static void pic_pre_save(void *opaque)
+{
+    PicState *s = opaque;
+
+    if (kvm_enabled() && kvm_irqchip_in_kernel()) {
+        kvm_kernel_pic_save_to_user(s);
+    }
+}
+
+static int pic_post_load(void *opaque, int version_id)
+{
+    PicState *s = opaque;
+
+    if (kvm_enabled() && kvm_irqchip_in_kernel()) {
+        kvm_kernel_pic_load_from_user(s);
+    }
+    return 0;
+}
+
 static const VMStateDescription vmstate_pic = {
     .name = "i8259",
     .version_id = 1,
+    .pre_save = pic_pre_save,
+    .post_load = pic_post_load,
     .minimum_version_id = 1,
     .minimum_version_id_old = 1,
     .fields      = (VMStateField []) {
@@ -535,3 +577,103 @@ qemu_irq *i8259_init(qemu_irq parent_irq)
     isa_pic = s;
     return qemu_allocate_irqs(i8259_set_irq, s, 16);
 }
+
+static void kvm_kernel_pic_save_to_user(PicState *s)
+{
+#ifdef KVM_CAP_IRQCHIP
+    struct kvm_irqchip chip;
+    struct kvm_pic_state *kpic;
+
+    chip.chip_id = (&s->pics_state->pics[0] == s) ?
+                   KVM_IRQCHIP_PIC_MASTER :
+                   KVM_IRQCHIP_PIC_SLAVE;
+    kvm_get_irqchip(kvm_context, &chip);
+    kpic = &chip.chip.pic;
+
+    s->last_irr = kpic->last_irr;
+    s->irr = kpic->irr;
+    s->imr = kpic->imr;
+    s->isr = kpic->isr;
+    s->priority_add = kpic->priority_add;
+    s->irq_base = kpic->irq_base;
+    s->read_reg_select = kpic->read_reg_select;
+    s->poll = kpic->poll;
+    s->special_mask = kpic->special_mask;
+    s->init_state = kpic->init_state;
+    s->auto_eoi = kpic->auto_eoi;
+    s->rotate_on_auto_eoi = kpic->rotate_on_auto_eoi;
+    s->special_fully_nested_mode = kpic->special_fully_nested_mode;
+    s->init4 = kpic->init4;
+    s->elcr = kpic->elcr;
+    s->elcr_mask = kpic->elcr_mask;
+#endif
+}
+
+static int kvm_kernel_pic_load_from_user(PicState *s)
+{
+#ifdef KVM_CAP_IRQCHIP
+    struct kvm_irqchip chip;
+    struct kvm_pic_state *kpic;
+
+    chip.chip_id = (&s->pics_state->pics[0] == s) ?
+                   KVM_IRQCHIP_PIC_MASTER :
+                   KVM_IRQCHIP_PIC_SLAVE;
+    kpic = &chip.chip.pic;
+
+    kpic->last_irr = s->last_irr;
+    kpic->irr = s->irr;
+    kpic->imr = s->imr;
+    kpic->isr = s->isr;
+    kpic->priority_add = s->priority_add;
+    kpic->irq_base = s->irq_base;
+    kpic->read_reg_select = s->read_reg_select;
+    kpic->poll = s->poll;
+    kpic->special_mask = s->special_mask;
+    kpic->init_state = s->init_state;
+    kpic->auto_eoi = s->auto_eoi;
+    kpic->rotate_on_auto_eoi = s->rotate_on_auto_eoi;
+    kpic->special_fully_nested_mode = s->special_fully_nested_mode;
+    kpic->init4 = s->init4;
+    kpic->elcr = s->elcr;
+    kpic->elcr_mask = s->elcr_mask;
+
+    kvm_set_irqchip(kvm_context, &chip);
+#endif
+    return 0;
+}
+
+#ifdef KVM_CAP_IRQCHIP
+static void kvm_i8259_set_irq(void *opaque, int irq, int level)
+{
+    int pic_ret;
+    if (kvm_set_irq(irq, level, &pic_ret)) {
+        if (pic_ret != 0)
+            apic_set_irq_delivered();
+        return;
+    }
+}
+
+static void kvm_pic_init1(int io_addr, PicState *s)
+{
+    vmstate_register(io_addr, &vmstate_pic, s);
+    qemu_register_reset(pic_reset, s);
+}
+
+qemu_irq *kvm_i8259_init(qemu_irq parent_irq)
+{
+    PicState2 *s;
+
+    s = qemu_mallocz(sizeof(PicState2));
+
+    kvm_pic_init1(0x20, &s->pics[0]);
+    kvm_pic_init1(0xa0, &s->pics[1]);
+    s->parent_irq = parent_irq;
+    s->pics[0].pics_state = s;
+    s->pics[1].pics_state = s;
+    isa_pic = s;
+    return qemu_allocate_irqs(kvm_i8259_set_irq, s, 24);
+}
+#endif
+
+
+

hw/ioapic.c

@@ -22,12 +22,16 @@
 
 #include "hw.h"
 #include "pc.h"
+#include "sysemu.h"
 #include "qemu-timer.h"
 #include "host-utils.h"
 
+#include "qemu-kvm.h"
+
 //#define DEBUG_IOAPIC
 
 #define IOAPIC_NUM_PINS			0x18
+#define IOAPIC_DEFAULT_BASE_ADDRESS  0xfec00000
 #define IOAPIC_LVT_MASKED 		(1<<16)
 
 #define IOAPIC_TRIGGER_EDGE		0
@@ -45,6 +49,7 @@
 struct IOAPICState {
     uint8_t id;
     uint8_t ioregsel;
+    uint64_t base_address;
 
     uint32_t irr;
     uint64_t ioredtbl[IOAPIC_NUM_PINS];
@@ -94,8 +99,9 @@ void ioapic_set_irq(void *opaque, int vector, int level)
      * to GSI 2.  GSI maps to ioapic 1-1.  This is not
      * the cleanest way of doing it but it should work. */
 
-    if (vector == 0)
+    if (vector == 0 && irq0override) {
         vector = 2;
+    }
 
     if (vector >= 0 && vector < IOAPIC_NUM_PINS) {
         uint32_t mask = 1 << vector;
@@ -191,14 +197,91 @@ static void ioapic_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t va
     }
 }
 
+static void kvm_kernel_ioapic_save_to_user(IOAPICState *s)
+{
+#if defined(KVM_CAP_IRQCHIP) && defined(TARGET_I386)
+    struct kvm_irqchip chip;
+    struct kvm_ioapic_state *kioapic;
+    int i;
+
+    chip.chip_id = KVM_IRQCHIP_IOAPIC;
+    kvm_get_irqchip(kvm_context, &chip);
+    kioapic = &chip.chip.ioapic;
+
+    s->id = kioapic->id;
+    s->ioregsel = kioapic->ioregsel;
+    s->base_address = kioapic->base_address;
+    s->irr = kioapic->irr;
+    for (i = 0; i < IOAPIC_NUM_PINS; i++) {
+        s->ioredtbl[i] = kioapic->redirtbl[i].bits;
+    }
+#endif
+}
+
+static void kvm_kernel_ioapic_load_from_user(IOAPICState *s)
+{
+#if defined(KVM_CAP_IRQCHIP) && defined(TARGET_I386)
+    struct kvm_irqchip chip;
+    struct kvm_ioapic_state *kioapic;
+    int i;
+
+    chip.chip_id = KVM_IRQCHIP_IOAPIC;
+    kioapic = &chip.chip.ioapic;
+
+    kioapic->id = s->id;
+    kioapic->ioregsel = s->ioregsel;
+    kioapic->base_address = s->base_address;
+    kioapic->irr = s->irr;
+    for (i = 0; i < IOAPIC_NUM_PINS; i++) {
+        kioapic->redirtbl[i].bits = s->ioredtbl[i];
+    }
+
+    kvm_set_irqchip(kvm_context, &chip);
+#endif
+}
+
+static void ioapic_pre_save(void *opaque)
+{
+    IOAPICState *s = (void *)opaque;
+ 
+    if (kvm_enabled() && kvm_irqchip_in_kernel()) {
+        kvm_kernel_ioapic_save_to_user(s);
+    }
+}
+
+static int ioapic_pre_load(void *opaque)
+{
+    IOAPICState *s = opaque;
+
+    /* in case we are doing version 1, we just set these to sane values */
+    s->base_address = IOAPIC_DEFAULT_BASE_ADDRESS;
+    s->irr = 0;
+    return 0;
+}
+
+static int ioapic_post_load(void *opaque, int version_id)
+{
+    IOAPICState *s = opaque;
+
+    if (kvm_enabled() && kvm_irqchip_in_kernel()) {
+        kvm_kernel_ioapic_load_from_user(s);
+    }
+    return 0;
+}
+
 static const VMStateDescription vmstate_ioapic = {
     .name = "ioapic",
-    .version_id = 1,
+    .version_id = 2,
     .minimum_version_id = 1,
     .minimum_version_id_old = 1,
+    .pre_load = ioapic_pre_load,
+    .post_load = ioapic_post_load,
+    .pre_save = ioapic_pre_save,
     .fields      = (VMStateField []) {
         VMSTATE_UINT8(id, IOAPICState),
         VMSTATE_UINT8(ioregsel, IOAPICState),
+        VMSTATE_UINT64_V(base_address, IOAPICState, 2),
+        VMSTATE_UINT32_V(irr, IOAPICState, 2),
         VMSTATE_UINT64_ARRAY(ioredtbl, IOAPICState, IOAPIC_NUM_PINS),
         VMSTATE_END_OF_LIST()
     }
@@ -210,8 +293,14 @@ static void ioapic_reset(void *opaque)
     int i;
 
     memset(s, 0, sizeof(*s));
+    s->base_address = IOAPIC_DEFAULT_BASE_ADDRESS;
     for(i = 0; i < IOAPIC_NUM_PINS; i++)
         s->ioredtbl[i] = 1 << 16; /* mask LVT */
+#ifdef KVM_CAP_IRQCHIP
+    if (kvm_enabled() && kvm_irqchip_in_kernel()) {
+        kvm_kernel_ioapic_load_from_user(s);
+    }
+#endif
 }
 
 static CPUReadMemoryFunc * const ioapic_mem_read[3] = {

hw/ipf.c

@@ -0,0 +1,713 @@
+/*
+ * Itanium Platform Emulator derived from QEMU PC System Emulator
+ *
+ * Copyright (c) 2003-2004 Fabrice Bellard
+ *
+ * Copyright (c) 2007 Intel
+ * Ported for IA64 Platform Zhang Xiantao <xiantao.zhang@intel.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "hw.h"
+#include "pc.h"
+#include "fdc.h"
+#include "pci.h"
+#include "block.h"
+#include "sysemu.h"
+#include "audio/audio.h"
+#include "net.h"
+#include "smbus.h"
+#include "boards.h"
+#include "firmware.h"
+#include "ia64intrin.h"
+#include <unistd.h>
+#include "device-assignment.h"
+#include "virtio-blk.h"
+
+#include "qemu-kvm.h"
+
+#define FW_FILENAME "Flash.fd"
+
+/* Leave a chunk of memory at the top of RAM for the BIOS ACPI tables.  */
+#define ACPI_DATA_SIZE       0x10000
+
+#define MAX_IDE_BUS 2
+
+static fdctrl_t *floppy_controller;
+static RTCState *rtc_state;
+static PCIDevice *i440fx_state;
+
+static uint32_t ipf_to_legacy_io(target_phys_addr_t addr)
+{
+    return (uint32_t)(((addr&0x3ffffff) >> 12 << 2)|((addr) & 0x3));
+}
+
+static void ipf_legacy_io_writeb(void *opaque, target_phys_addr_t addr,
+				 uint32_t val) {
+    uint32_t port = ipf_to_legacy_io(addr);
+
+    cpu_outb(0, port, val);
+}
+
+static void ipf_legacy_io_writew(void *opaque, target_phys_addr_t addr,
+				 uint32_t val) {
+    uint32_t port = ipf_to_legacy_io(addr);
+
+    cpu_outw(0, port, val);
+}
+
+static void ipf_legacy_io_writel(void *opaque, target_phys_addr_t addr,
+				 uint32_t val) {
+    uint32_t port = ipf_to_legacy_io(addr);
+
+    cpu_outl(0, port, val);
+}
+
+static uint32_t ipf_legacy_io_readb(void *opaque, target_phys_addr_t addr)
+{
+    uint32_t port = ipf_to_legacy_io(addr);
+
+    return cpu_inb(0, port);
+}
+
+static uint32_t ipf_legacy_io_readw(void *opaque, target_phys_addr_t addr)
+{
+    uint32_t port = ipf_to_legacy_io(addr);
+
+    return cpu_inw(0, port);
+}
+
+static uint32_t ipf_legacy_io_readl(void *opaque, target_phys_addr_t addr)
+{
+    uint32_t port = ipf_to_legacy_io(addr);
+
+    return cpu_inl(0, port);
+}
+
+static CPUReadMemoryFunc *ipf_legacy_io_read[3] = {
+    ipf_legacy_io_readb,
+    ipf_legacy_io_readw,
+    ipf_legacy_io_readl,
+};
+
+static CPUWriteMemoryFunc *ipf_legacy_io_write[3] = {
+    ipf_legacy_io_writeb,
+    ipf_legacy_io_writew,
+    ipf_legacy_io_writel,
+};
+
+static void pic_irq_request(void *opaque, int irq, int level)
+{
+    fprintf(stderr,"pic_irq_request called!\n");
+}
+
+/* PC cmos mappings */
+
+#define REG_EQUIPMENT_BYTE          0x14
+
+static int cmos_get_fd_drive_type(int fd0)
+{
+    int val;
+
+    switch (fd0) {
+    case 0:
+        /* 1.44 Mb 3"5 drive */
+        val = 4;
+        break;
+    case 1:
+        /* 2.88 Mb 3"5 drive */
+        val = 5;
+        break;
+    case 2:
+        /* 1.2 Mb 5"5 drive */
+        val = 2;
+        break;
+    default:
+        val = 0;
+        break;
+    }
+    return val;
+}
+
+static void cmos_init_hd(int type_ofs, int info_ofs, BlockDriverState *hd)
+{
+    RTCState *s = rtc_state;
+    int cylinders, heads, sectors;
+
+    bdrv_get_geometry_hint(hd, &cylinders, &heads, &sectors);
+    rtc_set_memory(s, type_ofs, 47);
+    rtc_set_memory(s, info_ofs, cylinders);
+    rtc_set_memory(s, info_ofs + 1, cylinders >> 8);
+    rtc_set_memory(s, info_ofs + 2, heads);
+    rtc_set_memory(s, info_ofs + 3, 0xff);
+    rtc_set_memory(s, info_ofs + 4, 0xff);
+    rtc_set_memory(s, info_ofs + 5, 0xc0 | ((heads > 8) << 3));
+    rtc_set_memory(s, info_ofs + 6, cylinders);
+    rtc_set_memory(s, info_ofs + 7, cylinders >> 8);
+    rtc_set_memory(s, info_ofs + 8, sectors);
+}
+
+/* convert boot_device letter to something recognizable by the bios */
+static int boot_device2nibble(char boot_device)
+{
+    switch(boot_device) {
+    case 'a':
+    case 'b':
+        return 0x01; /* floppy boot */
+    case 'c':
+        return 0x02; /* hard drive boot */
+    case 'd':
+        return 0x03; /* CD-ROM boot */
+    case 'n':
+        return 0x04; /* Network boot */
+    }
+    return 0;
+}
+
+/* hd_table must contain 4 block drivers */
+static void cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size,
+                      const char *boot_device, BlockDriverState **hd_table)
+{
+    RTCState *s = rtc_state;
+    int nbds, bds[3] = { 0, };
+    int val;
+    int fd0, fd1, nb;
+    int i;
+
+    /* various important CMOS locations needed by PC/Bochs bios */
+
+    /* memory size */
+    val = 640; /* base memory in K */
+    rtc_set_memory(s, 0x15, val);
+    rtc_set_memory(s, 0x16, val >> 8);
+
+    val = (ram_size / 1024) - 1024;
+    if (val > 65535)
+        val = 65535;
+    rtc_set_memory(s, 0x17, val);
+    rtc_set_memory(s, 0x18, val >> 8);
+    rtc_set_memory(s, 0x30, val);
+    rtc_set_memory(s, 0x31, val >> 8);
+
+    if (above_4g_mem_size) {
+        rtc_set_memory(s, 0x5b, (unsigned int)above_4g_mem_size >> 16);
+        rtc_set_memory(s, 0x5c, (unsigned int)above_4g_mem_size >> 24);
+        rtc_set_memory(s, 0x5d, above_4g_mem_size >> 32);
+    }
+    rtc_set_memory(s, 0x5f, smp_cpus - 1);
+
+    if (ram_size > (16 * 1024 * 1024))
+        val = (ram_size / 65536) - ((16 * 1024 * 1024) / 65536);
+    else
+        val = 0;
+    if (val > 65535)
+        val = 65535;
+    rtc_set_memory(s, 0x34, val);
+    rtc_set_memory(s, 0x35, val >> 8);
+
+    /* set boot devices, and disable floppy signature check if requested */
+#define PC_MAX_BOOT_DEVICES 3
+    nbds = strlen(boot_device);
+
+    if (nbds > PC_MAX_BOOT_DEVICES) {
+        fprintf(stderr, "Too many boot devices for PC\n");
+        exit(1);
+    }
+
+    for (i = 0; i < nbds; i++) {
+        bds[i] = boot_device2nibble(boot_device[i]);
+        if (bds[i] == 0) {
+            fprintf(stderr, "Invalid boot device for PC: '%c'\n",
+                    boot_device[i]);
+            exit(1);
+        }
+    }
+
+    rtc_set_memory(s, 0x3d, (bds[1] << 4) | bds[0]);
+    rtc_set_memory(s, 0x38, (bds[2] << 4) | (fd_bootchk ?  0x0 : 0x1));
+
+    /* floppy type */
+
+    fd0 = fdctrl_get_drive_type(floppy_controller, 0);
+    fd1 = fdctrl_get_drive_type(floppy_controller, 1);
+
+    val = (cmos_get_fd_drive_type(fd0) << 4) | cmos_get_fd_drive_type(fd1);
+    rtc_set_memory(s, 0x10, val);
+
+    val = 0;
+    nb = 0;
+    if (fd0 < 3)
+        nb++;
+    if (fd1 < 3)
+        nb++;
+
+    switch (nb) {
+    case 0:
+        break;
+    case 1:
+        val |= 0x01; /* 1 drive, ready for boot */
+        break;
+    case 2:
+        val |= 0x41; /* 2 drives, ready for boot */
+        break;
+    }
+
+    val |= 0x02; /* FPU is there */
+    val |= 0x04; /* PS/2 mouse installed */
+    rtc_set_memory(s, REG_EQUIPMENT_BYTE, val);
+
+    /* hard drives */
+
+    rtc_set_memory(s, 0x12, (hd_table[0] ? 0xf0 : 0) | (hd_table[1] ? 0x0f : 0));
+    if (hd_table[0])
+        cmos_init_hd(0x19, 0x1b, hd_table[0]);
+    if (hd_table[1])
+        cmos_init_hd(0x1a, 0x24, hd_table[1]);
+
+    val = 0;
+    for (i = 0; i < 4; i++) {
+        if (hd_table[i]) {
+            int cylinders, heads, sectors, translation;
+            /* NOTE: bdrv_get_geometry_hint() returns the physical
+               geometry.  It is always such that: 1 <= sects <= 63, 1
+               <= heads <= 16, 1 <= cylinders <= 16383. The BIOS
+               geometry can be different if a translation is done. */
+            translation = bdrv_get_translation_hint(hd_table[i]);
+            if (translation == BIOS_ATA_TRANSLATION_AUTO) {
+                bdrv_get_geometry_hint(hd_table[i], &cylinders,
+                                       &heads, &sectors);
+                if (cylinders <= 1024 && heads <= 16 && sectors <= 63) {
+                    /* No translation. */
+                    translation = 0;
+                } else {
+                    /* LBA translation. */
+                    translation = 1;
+                }
+            } else {
+                translation--;
+            }
+            val |= translation << (i * 2);
+        }
+    }
+    rtc_set_memory(s, 0x39, val);
+}
+
+static void main_cpu_reset(void *opaque)
+{
+    CPUState *env = opaque;
+    cpu_reset(env);
+}
+
+static const int ide_iobase[2] = { 0x1f0, 0x170 };
+static const int ide_iobase2[2] = { 0x3f6, 0x376 };
+static const int ide_irq[2] = { 14, 15 };
+
+#define NE2000_NB_MAX 6
+
+static int ne2000_io[NE2000_NB_MAX] = { 0x300, 0x320, 0x340,
+                                        0x360, 0x280, 0x380 };
+static int ne2000_irq[NE2000_NB_MAX] = { 9, 10, 11, 3, 4, 5 };
+
+static int serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
+static int serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 };
+
+static int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc };
+static int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 };
+
+#ifdef HAS_AUDIO
+static void audio_init (PCIBus *pci_bus, qemu_irq *pic)
+{
+    struct soundhw *c;
+    int audio_enabled = 0;
+
+    for (c = soundhw; !audio_enabled && c->name; ++c) {
+        audio_enabled = c->enabled;
+    }
+
+    if (audio_enabled) {
+        AudioState *s;
+
+        s = AUD_init ();
+        if (s) {
+            for (c = soundhw; c->name; ++c) {
+                if (c->enabled) {
+                    if (c->isa) {
+                        c->init.init_isa (s, pic);
+                    } else {
+                        if (pci_bus) {
+                            c->init.init_pci (pci_bus, s);
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+#endif
+
+static void pc_init_ne2k_isa(NICInfo *nd, qemu_irq *pic)
+{
+    static int nb_ne2k = 0;
+
+    if (nb_ne2k == NE2000_NB_MAX)
+        return;
+    isa_ne2000_init(ne2000_io[nb_ne2k], pic[ne2000_irq[nb_ne2k]], nd);
+    nb_ne2k++;
+}
+
+/* Itanium hardware initialisation */
+static void ipf_init1(ram_addr_t ram_size,
+                      const char *boot_device, DisplayState *ds,
+                      const char *kernel_filename, const char *kernel_cmdline,
+                      const char *initrd_filename,
+                      int pci_enabled, const char *cpu_model)
+{
+    char buf[1024];
+    int i;
+    ram_addr_t ram_addr;
+    ram_addr_t above_4g_mem_size = 0;
+    PCIBus *pci_bus;
+    PCIDevice *pci_dev;
+    int piix3_devfn = -1;
+    CPUState *env;
+    qemu_irq *cpu_irq;
+    qemu_irq *i8259;
+    int page_size;
+    int index;
+    unsigned long ipf_legacy_io_base, ipf_legacy_io_mem;
+    BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
+    BlockDriverState *fd[MAX_FD];
+
+    page_size = getpagesize();
+    if (page_size != TARGET_PAGE_SIZE) {
+	fprintf(stderr,"Error! Host page size != qemu target page size,"
+                " you may need to change TARGET_PAGE_BITS in qemu!"
+                "host page size:0x%x\n", page_size);
+        exit(-1);
+    };
+
+    if (ram_size >= 0xc0000000 ) {
+        above_4g_mem_size = ram_size - 0xc0000000;
+        ram_size = 0xc0000000;
+    }
+
+    /* init CPUs */
+    if (cpu_model == NULL) {
+        cpu_model = "IA64";
+    }
+
+    for(i = 0; i < smp_cpus; i++) {
+        env = cpu_init(cpu_model);
+        if (!env) {
+            fprintf(stderr, "Unable to find CPU definition\n");
+            exit(1);
+        }
+        if (i != 0)
+            env->hflags |= HF_HALTED_MASK;
+        register_savevm("cpu", i, 4, cpu_save, cpu_load, env);
+        qemu_register_reset(main_cpu_reset, 0, env);
+    }
+
+    /* allocate RAM */
+    if (kvm_enabled()) {
+        ram_addr = qemu_ram_alloc(0xa0000);
+        cpu_register_physical_memory(0, 0xa0000, ram_addr);
+
+        ram_addr = qemu_ram_alloc(0x20000); // Workaround 0xa0000-0xc0000
+
+        ram_addr = qemu_ram_alloc(0x40000);
+        cpu_register_physical_memory(0xc0000, 0x40000, ram_addr);
+
+        ram_addr = qemu_ram_alloc(ram_size - 0x100000);
+        cpu_register_physical_memory(0x100000, ram_size - 0x100000, ram_addr);
+    } else {
+        ram_addr = qemu_ram_alloc(ram_size);
+        cpu_register_physical_memory(0, ram_size, ram_addr);
+    }
+
+    /* above 4giga memory allocation */
+    if (above_4g_mem_size > 0) {
+        ram_addr = qemu_ram_alloc(above_4g_mem_size);
+        cpu_register_physical_memory(0x100000000, above_4g_mem_size, ram_addr);
+    }
+
+    /*Load firware to its proper position.*/
+    if (kvm_enabled()) {
+        unsigned long  image_size;
+        uint8_t *image = NULL;
+        unsigned long nvram_addr;
+        unsigned long nvram_fd = 0;
+        unsigned long type = READ_FROM_NVRAM;
+        unsigned long i = 0;
+        unsigned long fw_offset;
+        ram_addr_t fw_mem = qemu_ram_alloc(GFW_SIZE);
+
+        snprintf(buf, sizeof(buf), "%s/%s", bios_dir, FW_FILENAME);
+        image = read_image(buf, &image_size );
+        if (NULL == image || !image_size) {
+            fprintf(stderr, "Error when reading Guest Firmware!\n");
+            fprintf(stderr, "Please check Guest firmware at %s\n", buf);
+            exit(1);
+        }
+        fw_offset = GFW_START + GFW_SIZE - image_size;
+
+        cpu_register_physical_memory(GFW_START, GFW_SIZE, fw_mem);
+        cpu_physical_memory_write(fw_offset, image, image_size);
+
+        free(image);
+
+        if (nvram) {
+            nvram_addr = NVRAM_START;
+            nvram_fd = kvm_ia64_nvram_init(type);
+            if (nvram_fd != -1) {
+                kvm_ia64_copy_from_nvram_to_GFW(nvram_fd);
+                close(nvram_fd);
+            }
+            i = atexit((void *)kvm_ia64_copy_from_GFW_to_nvram);
+            if (i != 0)
+                fprintf(stderr, "cannot set exit function\n");
+        } else
+            nvram_addr = 0;
+
+        kvm_ia64_build_hob(ram_size + above_4g_mem_size, smp_cpus, nvram_addr);
+    }
+
+    /*Register legacy io address space, size:64M*/
+    ipf_legacy_io_base = 0xE0000000;
+    ipf_legacy_io_mem = cpu_register_io_memory(0, ipf_legacy_io_read,
+                                               ipf_legacy_io_write, NULL);
+    cpu_register_physical_memory(ipf_legacy_io_base, 64*1024*1024,
+                                 ipf_legacy_io_mem);
+
+    cpu_irq = qemu_allocate_irqs(pic_irq_request, first_cpu, 1);
+    i8259 = kvm_i8259_init(cpu_irq[0]);
+
+    if (pci_enabled) {
+        pci_bus = i440fx_init(&i440fx_state, i8259);
+        piix3_devfn = piix3_init(pci_bus, -1);
+    } else {
+        pci_bus = NULL;
+    }
+
+    if (cirrus_vga_enabled) {
+        if (pci_enabled)
+            pci_cirrus_vga_init(pci_bus);
+        else
+            isa_cirrus_vga_init();
+    } else {
+        if (pci_enabled)
+            pci_vga_init(pci_bus, 0, 0);
+        else
+            isa_vga_init();
+    }
+
+    rtc_state = rtc_init(0x70, i8259[8], 2000);
+
+    if (pci_enabled) {
+        pic_set_alt_irq_func(isa_pic, NULL, NULL);
+    }
+
+    for(i = 0; i < MAX_SERIAL_PORTS; i++) {
+        if (serial_hds[i]) {
+            serial_init(serial_io[i], i8259[serial_irq[i]], 115200,
+                        serial_hds[i]);
+        }
+    }
+
+    for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
+        if (parallel_hds[i]) {
+            parallel_init(parallel_io[i], i8259[parallel_irq[i]],
+                          parallel_hds[i]);
+        }
+    }
+
+    for(i = 0; i < nb_nics; i++) {
+        NICInfo *nd = &nd_table[i];
+
+        if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
+            pc_init_ne2k_isa(nd, i8259);
+        else
+            pci_nic_init(nd, "e1000", NULL);
+    }
+
+#undef USE_HYPERCALL  //Disable it now, need to implement later!
+#ifdef USE_HYPERCALL
+    pci_hypercall_init(pci_bus);
+#endif
+
+    if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
+        fprintf(stderr, "qemu: too many IDE bus\n");
+        exit(1);
+    }
+
+    for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
+        index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
+	if (index != -1)
+	    hd[i] = drives_table[index].bdrv;
+	else
+	    hd[i] = NULL;
+    }
+
+    if (pci_enabled) {
+        pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1, i8259);
+    } else {
+        for(i = 0; i < MAX_IDE_BUS; i++) {
+            isa_ide_init(ide_iobase[i], ide_iobase2[i], i8259[ide_irq[i]],
+	                 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
+        }
+    }
+
+    i8042_init(i8259[1], i8259[12], 0x60);
+    DMA_init(0);
+#ifdef HAS_AUDIO
+    audio_init(pci_enabled ? pci_bus : NULL, i8259);
+#endif
+
+    for(i = 0; i < MAX_FD; i++) {
+        index = drive_get_index(IF_FLOPPY, 0, i);
+	if (index != -1)
+	    fd[i] = drives_table[index].bdrv;
+	else
+	    fd[i] = NULL;
+    }
+    floppy_controller = fdctrl_init(i8259[6], 2, 0, 0x3f0, fd);
+
+    cmos_init(ram_size, above_4g_mem_size, boot_device, hd);
+
+    if (pci_enabled && usb_enabled) {
+        usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
+    }
+
+    if (pci_enabled && acpi_enabled) {
+        uint8_t *eeprom_buf = qemu_mallocz(8 * 256); /* XXX: make this persistent */
+        i2c_bus *smbus;
+
+        /* TODO: Populate SPD eeprom data.  */
+        smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, i8259[9]);
+        for (i = 0; i < 8; i++) {
+            DeviceState *eeprom;
+            eeprom = qdev_create((BusState *)smbus, "smbus-eeprom");
+            qdev_set_prop_int(eeprom, "address", 0x50 + i);
+            qdev_set_prop_ptr(eeprom, "data", eeprom_buf + (i * 256));
+            qdev_init(eeprom);
+        }
+    }
+
+    if (i440fx_state) {
+        i440fx_init_memory_mappings(i440fx_state);
+    }
+
+    if (pci_enabled) {
+	int max_bus;
+        int bus;
+
+        max_bus = drive_get_max_bus(IF_SCSI);
+	for (bus = 0; bus <= max_bus; bus++) {
+            pci_create_simple(pci_bus, -1, "lsi53c895a");
+        }
+    }
+    /* Add virtio block devices */
+    if (pci_enabled) {
+	int index;
+	int unit_id = 0;
+
+	while ((index = drive_get_index(IF_VIRTIO, 0, unit_id)) != -1) {
+            pci_dev = pci_create("virtio-blk-pci",
+                                 drives_table[index].devaddr);
+            qdev_init(&pci_dev->qdev);
+	    unit_id++;
+	}
+    }
+
+#ifdef CONFIG_KVM_DEVICE_ASSIGNMENT
+    if (kvm_enabled())
+	add_assigned_devices(pci_bus, assigned_devices, assigned_devices_index);
+#endif /* CONFIG_KVM_DEVICE_ASSIGNMENT */
+
+}
+
+static void ipf_init_pci(ram_addr_t ram_size,
+                         const char *boot_device, DisplayState *ds,
+                         const char *kernel_filename,
+                         const char *kernel_cmdline,
+                         const char *initrd_filename,
+                         const char *cpu_model)
+{
+    ipf_init1(ram_size, boot_device, ds, kernel_filename,
+              kernel_cmdline, initrd_filename, 1, cpu_model);
+}
+
+QEMUMachine ipf_machine = {
+    .name = "itanium",
+    .desc = "Itanium Platform",
+    .init = (QEMUMachineInitFunc *)ipf_init_pci,
+    .max_cpus = 255,
+    .is_default = 1,
+};
+
+static void ipf_machine_init(void)
+{
+    qemu_register_machine(&ipf_machine);
+}
+
+machine_init(ipf_machine_init);
+
+#define IOAPIC_NUM_PINS 48
+
+static int ioapic_irq_count[IOAPIC_NUM_PINS];
+
+static int ioapic_map_irq(int devfn, int irq_num)
+{
+    int irq, dev;
+    dev = devfn >> 3;
+    irq = ((((dev << 2) + (dev >> 3) + irq_num) & 31) + 16);
+    return irq;
+}
+
+/*
+ * Dummy function to provide match for call from hw/apic.c
+ */
+void apic_set_irq_delivered(void) {
+}
+
+void ioapic_set_irq(void *opaque, int irq_num, int level)
+{
+    int vector, pic_ret;
+
+    PCIDevice *pci_dev = (PCIDevice *)opaque;
+    vector = ioapic_map_irq(pci_dev->devfn, irq_num);
+
+    if (level)
+        ioapic_irq_count[vector] += 1;
+    else
+        ioapic_irq_count[vector] -= 1;
+
+    if (kvm_enabled()) {
+	if (kvm_set_irq(vector, ioapic_irq_count[vector] == 0, &pic_ret))
+            if (pic_ret != 0)
+                apic_set_irq_delivered();
+	    return;
+    }
+}
+
+int ipf_map_irq(PCIDevice *pci_dev, int irq_num)
+{
+	return ioapic_map_irq(pci_dev->devfn, irq_num);
+}

hw/msix.c

@@ -14,6 +14,8 @@
 #include "hw.h"
 #include "msix.h"
 #include "pci.h"
+#define QEMU_KVM_NO_CPU
+#include "qemu-kvm.h"
 
 /* Declaration from linux/pci_regs.h */
 #define  PCI_CAP_ID_MSIX 0x11 /* MSI-X */
@@ -62,6 +64,117 @@
 /* Flag for interrupt controller to declare MSI-X support */
 int msix_supported;
 
+#ifdef CONFIG_KVM
+/* KVM specific MSIX helpers */
+static void kvm_msix_free(PCIDevice *dev)
+{
+    int vector, changed = 0;
+    for (vector = 0; vector < dev->msix_entries_nr; ++vector) {
+        if (dev->msix_entry_used[vector]) {
+            kvm_del_routing_entry(kvm_context, &dev->msix_irq_entries[vector]);
+            changed = 1;
+        }
+    }
+    if (changed) {
+        kvm_commit_irq_routes(kvm_context);
+    }
+}
+
+static void kvm_msix_routing_entry(PCIDevice *dev, unsigned vector,
+                                   struct kvm_irq_routing_entry *entry)
+{
+    uint8_t *table_entry = dev->msix_table_page + vector * MSIX_ENTRY_SIZE;
+    entry->type = KVM_IRQ_ROUTING_MSI;
+    entry->flags = 0;
+    entry->u.msi.address_lo = pci_get_long(table_entry + MSIX_MSG_ADDR);
+    entry->u.msi.address_hi = pci_get_long(table_entry + MSIX_MSG_UPPER_ADDR);
+    entry->u.msi.data = pci_get_long(table_entry + MSIX_MSG_DATA);
+}
+
+static void kvm_msix_update(PCIDevice *dev, int vector,
+                            int was_masked, int is_masked)
+{
+    struct kvm_irq_routing_entry e = {}, *entry;
+    int mask_cleared = was_masked && !is_masked;
+    /* It is only legal to change an entry when it is masked. Therefore, it is
+     * enough to update the routing in kernel when mask is being cleared. */
+    if (!mask_cleared) {
+        return;
+    }
+    if (!dev->msix_entry_used[vector]) {
+        return;
+    }
+    entry = dev->msix_irq_entries + vector;
+    e.gsi = entry->gsi;
+    kvm_msix_routing_entry(dev, vector, &e);
+    if (memcmp(&entry->u.msi, &e.u.msi, sizeof entry->u.msi)) {
+        int r;
+        r = kvm_update_routing_entry(kvm_context, entry, &e);
+        if (r) {
+            fprintf(stderr, "%s: kvm_update_routing_entry failed: %s\n", __func__,
+		    strerror(-r));
+            exit(1);
+        }
+        memcpy(&entry->u.msi, &e.u.msi, sizeof entry->u.msi);
+        r = kvm_commit_irq_routes(kvm_context);
+        if (r) {
+            fprintf(stderr, "%s: kvm_commit_irq_routes failed: %s\n", __func__,
+		    strerror(-r));
+            exit(1);
+        }
+    }
+}
+
+static int kvm_msix_add(PCIDevice *dev, unsigned vector)
+{
+    struct kvm_irq_routing_entry *entry = dev->msix_irq_entries + vector;
+    int r;
+
+    if (!kvm_has_gsi_routing(kvm_context)) {
+        fprintf(stderr, "Warning: no MSI-X support found. "
+                "At least kernel 2.6.30 is required for MSI-X support.\n"
+               );
+        return -EOPNOTSUPP;
+    }
+
+    r = kvm_get_irq_route_gsi(kvm_context);
+    if (r < 0) {
+        fprintf(stderr, "%s: kvm_get_irq_route_gsi failed: %s\n", __func__, strerror(-r));
+        return r;
+    }
+    entry->gsi = r;
+    kvm_msix_routing_entry(dev, vector, entry);
+    r = kvm_add_routing_entry(kvm_context, entry);
+    if (r < 0) {
+        fprintf(stderr, "%s: kvm_add_routing_entry failed: %s\n", __func__, strerror(-r));
+        return r;
+    }
+
+    r = kvm_commit_irq_routes(kvm_context);
+    if (r < 0) {
+        fprintf(stderr, "%s: kvm_commit_irq_routes failed: %s\n", __func__, strerror(-r));
+        return r;
+    }
+    return 0;
+}
+
+static void kvm_msix_del(PCIDevice *dev, unsigned vector)
+{
+    if (dev->msix_entry_used[vector]) {
+        return;
+    }
+    kvm_del_routing_entry(kvm_context, &dev->msix_irq_entries[vector]);
+    kvm_commit_irq_routes(kvm_context);
+}
+#else
+
+static void kvm_msix_free(PCIDevice *dev) {}
+static void kvm_msix_update(PCIDevice *dev, int vector,
+                            int was_masked, int is_masked) {}
+static int kvm_msix_add(PCIDevice *dev, unsigned vector) { return -1; }
+static void kvm_msix_del(PCIDevice *dev, unsigned vector) {}
+#endif
+
 /* Add MSI-X capability to the config space for the device. */
 /* Given a bar and its size, add MSI-X table on top of it
  * and fill MSI-X capability in the config space.
@@ -200,7 +313,11 @@ static void msix_mmio_writel(void *opaque, target_phys_addr_t addr,
     PCIDevice *dev = opaque;
     unsigned int offset = addr & (MSIX_PAGE_SIZE - 1) & ~0x3;
     int vector = offset / MSIX_ENTRY_SIZE;
+    int was_masked = msix_is_masked(dev, vector);
     pci_set_long(dev->msix_table_page + offset, val);
+    if (kvm_enabled() && kvm_irqchip_in_kernel()) {
+        kvm_msix_update(dev, vector, was_masked, msix_is_masked(dev, vector));
+    }
     msix_handle_mask_update(dev, vector);
 }
 
@@ -259,6 +376,12 @@ int msix_init(struct PCIDevice *dev, unsigned short nentries,
     if (nentries > MSIX_MAX_ENTRIES)
         return -EINVAL;
 
+#ifdef KVM_CAP_IRQCHIP
+    if (kvm_enabled() && kvm_irqchip_in_kernel()) {
+        dev->msix_irq_entries = qemu_malloc(nentries *
+                                            sizeof *dev->msix_irq_entries);
+    }
+#endif
     dev->msix_entry_used = qemu_mallocz(MSIX_MAX_ENTRIES *
                                         sizeof *dev->msix_entry_used);
 
@@ -295,6 +418,10 @@ static void msix_free_irq_entries(PCIDevice *dev)
 {
     int vector;
 
+    if (kvm_enabled() && kvm_irqchip_in_kernel()) {
+        kvm_msix_free(dev);
+    }
+
     for (vector = 0; vector < dev->msix_entries_nr; ++vector) {
         dev->msix_entry_used[vector] = 0;
         msix_clr_pending(dev, vector);
@@ -315,6 +442,8 @@ int msix_uninit(PCIDevice *dev)
     dev->msix_table_page = NULL;
     qemu_free(dev->msix_entry_used);
     dev->msix_entry_used = NULL;
+    qemu_free(dev->msix_irq_entries);
+    dev->msix_irq_entries = NULL;
     dev->cap_present &= ~QEMU_PCI_CAP_MSIX;
     return 0;
 }
@@ -323,10 +452,13 @@ void msix_save(PCIDevice *dev, QEMUFile *f)
 {
     unsigned n = dev->msix_entries_nr;
 
-    if (!(dev->cap_present & QEMU_PCI_CAP_MSIX)) {
+    if (!msix_supported) {
         return;
     }
 
+    if (!(dev->cap_present & QEMU_PCI_CAP_MSIX)) {
+        return;
+    }
     qemu_put_buffer(f, dev->msix_table_page, n * MSIX_ENTRY_SIZE);
     qemu_put_buffer(f, dev->msix_table_page + MSIX_PAGE_PENDING, (n + 7) / 8);
 }
@@ -336,6 +468,9 @@ void msix_load(PCIDevice *dev, QEMUFile *f)
 {
     unsigned n = dev->msix_entries_nr;
 
+    if (!msix_supported)
+        return;
+
     if (!(dev->cap_present & QEMU_PCI_CAP_MSIX)) {
         return;
     }
@@ -380,6 +515,13 @@ void msix_notify(PCIDevice *dev, unsigned vector)
         return;
     }
 
+#ifdef KVM_CAP_IRQCHIP
+    if (kvm_enabled() && kvm_irqchip_in_kernel()) {
+        kvm_set_irq(dev->msix_irq_entries[vector].gsi, 1, NULL);
+        return;
+    }
+#endif
+
     address = pci_get_long(table_entry + MSIX_MSG_UPPER_ADDR);
     address = (address << 32) | pci_get_long(table_entry + MSIX_MSG_ADDR);
     data = pci_get_long(table_entry + MSIX_MSG_DATA);
@@ -408,9 +550,19 @@ void msix_reset(PCIDevice *dev)
 /* Mark vector as used. */
 int msix_vector_use(PCIDevice *dev, unsigned vector)
 {
+    int ret;
     if (vector >= dev->msix_entries_nr)
         return -EINVAL;
-    dev->msix_entry_used[vector]++;
+    if (dev->msix_entry_used[vector]) {
+        return 0;
+    }
+    if (kvm_enabled() && kvm_irqchip_in_kernel()) {
+        ret = kvm_msix_add(dev, vector);
+        if (ret) {
+            return ret;
+        }
+    }
+    ++dev->msix_entry_used[vector];
     return 0;
 }
 
@@ -423,6 +575,9 @@ void msix_vector_unuse(PCIDevice *dev, unsigned vector)
     if (--dev->msix_entry_used[vector]) {
         return;
     }
+    if (kvm_enabled() && kvm_irqchip_in_kernel()) {
+        kvm_msix_del(dev, vector);
+    }
     msix_clr_pending(dev, vector);
 }
 

hw/pc.c

@@ -44,6 +44,9 @@
 #include "ide.h"
 #include "loader.h"
 #include "elf.h"
+#include "device-assignment.h"
+
+#include "qemu-kvm.h"
 
 /* output Bochs bios info messages */
 //#define DEBUG_BIOS
@@ -52,6 +55,8 @@
 //#define DEBUG_MULTIBOOT
 
 #define BIOS_FILENAME "bios.bin"
+#define EXTBOOT_FILENAME "extboot.bin"
+#define VAPIC_FILENAME "vapic.bin"
 
 #define PC_MAX_BIOS_SIZE (4 * 1024 * 1024)
 
@@ -69,6 +74,8 @@ static RTCState *rtc_state;
 static PITState *pit;
 static PCII440FXState *i440fx_state;
 
+qemu_irq *ioapic_irq_hack;
+
 typedef struct isa_irq_state {
     qemu_irq *i8259;
     qemu_irq *ioapic;
@@ -952,7 +959,7 @@ int cpu_is_bsp(CPUState *env)
     return env->cpuid_apic_id == 0;
 }
 
-static CPUState *pc_new_cpu(const char *cpu_model)
+CPUState *pc_new_cpu(const char *cpu_model)
 {
     CPUState *env;
 
@@ -961,6 +968,7 @@ static CPUState *pc_new_cpu(const char *cpu_model)
         fprintf(stderr, "Unable to find x86 CPU definition\n");
         exit(1);
     }
+    env->kvm_cpu_state.regs_modified = 1;
     if ((env->cpuid_features & CPUID_APIC) || smp_cpus > 1) {
         env->cpuid_apic_id = env->cpu_index;
         /* APIC reset callback resets cpu */
@@ -968,6 +976,11 @@ static CPUState *pc_new_cpu(const char *cpu_model)
     } else {
         qemu_register_reset((QEMUResetHandler*)cpu_reset, env);
     }
+
+    /* kvm needs this to run after the apic is initialized. Otherwise,
+     * it can access invalid state and crash.
+     */
+    qemu_init_vcpu(env);
     return env;
 }
 
@@ -1015,6 +1028,9 @@ static void pc_init1(ram_addr_t ram_size,
 #endif
     }
 
+    if (kvm_enabled()) {
+        kvm_set_boot_cpu_id(0);
+    }
     for (i = 0; i < smp_cpus; i++) {
         env = pc_new_cpu(cpu_model);
     }
@@ -1022,18 +1038,11 @@ static void pc_init1(ram_addr_t ram_size,
     vmport_init();
 
     /* allocate RAM */
-    ram_addr = qemu_ram_alloc(0xa0000);
+    ram_addr = qemu_ram_alloc(below_4g_mem_size);
     cpu_register_physical_memory(0, 0xa0000, ram_addr);
-
-    /* Allocate, even though we won't register, so we don't break the
-     * phys_ram_base + PA assumption. This range includes vga (0xa0000 - 0xc0000),
-     * and some bios areas, which will be registered later
-     */
-    ram_addr = qemu_ram_alloc(0x100000 - 0xa0000);
-    ram_addr = qemu_ram_alloc(below_4g_mem_size - 0x100000);
     cpu_register_physical_memory(0x100000,
                  below_4g_mem_size - 0x100000,
-                 ram_addr);
+                 ram_addr + 0x100000);
 
     /* above 4giga memory allocation */
     if (above_4g_mem_size > 0) {
@@ -1075,11 +1084,17 @@ static void pc_init1(ram_addr_t ram_size,
     isa_bios_size = bios_size;
     if (isa_bios_size > (128 * 1024))
         isa_bios_size = 128 * 1024;
+    cpu_register_physical_memory(0xd0000, (192 * 1024) - isa_bios_size,
+                                 IO_MEM_UNASSIGNED);
+    /* kvm tpr optimization needs the bios accessible for write, at least to qemu itself */
     cpu_register_physical_memory(0x100000 - isa_bios_size,
                                  isa_bios_size,
-                                 (bios_offset + bios_size - isa_bios_size) | IO_MEM_ROM);
-
+                                 (bios_offset + bios_size - isa_bios_size) /* | IO_MEM_ROM */);
 
+    if (extboot_drive) {
+        option_rom[nb_option_roms++] = qemu_strdup(EXTBOOT_FILENAME);
+    }
+    option_rom[nb_option_roms++] = qemu_strdup(VAPIC_FILENAME);
 
     rom_enable_driver_roms = 1;
     option_rom_offset = qemu_ram_alloc(PC_ROM_SIZE);
@@ -1101,10 +1116,18 @@ static void pc_init1(ram_addr_t ram_size,
     }
 
     cpu_irq = qemu_allocate_irqs(pic_irq_request, NULL, 1);
-    i8259 = i8259_init(cpu_irq[0]);
-    isa_irq_state = qemu_mallocz(sizeof(*isa_irq_state));
-    isa_irq_state->i8259 = i8259;
-    isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24);
+#ifdef KVM_CAP_IRQCHIP
+    if (kvm_enabled() && kvm_irqchip_in_kernel()) {
+        isa_irq_state = qemu_mallocz(sizeof(*isa_irq_state));
+        isa_irq = i8259 = kvm_i8259_init(cpu_irq[0]);
+    } else
+#endif
+    {
+        i8259 = i8259_init(cpu_irq[0]);
+        isa_irq_state = qemu_mallocz(sizeof(*isa_irq_state));
+        isa_irq_state->i8259 = i8259;
+        isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24);
+    }
 
     if (pci_enabled) {
         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, isa_irq);
@@ -1149,8 +1172,14 @@ static void pc_init1(ram_addr_t ram_size,
 
     if (pci_enabled) {
         isa_irq_state->ioapic = ioapic_init();
+        ioapic_irq_hack = isa_irq;
     }
-    pit = pit_init(0x40, isa_reserve_irq(0));
+#ifdef CONFIG_KVM_PIT
+    if (kvm_enabled() && qemu_kvm_pit_in_kernel())
+	pit = kvm_pit_init(0x40, isa_reserve_irq(0));
+    else
+#endif
+	pit = pit_init(0x40, isa_reserve_irq(0));
     pcspk_init(pit);
     if (!no_hpet) {
         hpet_init(isa_irq);
@@ -1174,7 +1203,7 @@ static void pc_init1(ram_addr_t ram_size,
         if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
             pc_init_ne2k_isa(nd);
         else
-            pci_nic_init_nofail(nd, "e1000", NULL);
+            pci_nic_init_nofail(nd, "rtl8139", NULL);
     }
 
     if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
@@ -1226,7 +1255,7 @@ static void pc_init1(ram_addr_t ram_size,
             qdev_prop_set_ptr(eeprom, "data", eeprom_buf + (i * 256));
             qdev_init_nofail(eeprom);
         }
-        piix4_acpi_system_hot_add_init(pci_bus);
+        piix4_acpi_system_hot_add_init(pci_bus, cpu_model);
     }
 
     if (i440fx_state) {
@@ -1243,6 +1272,18 @@ static void pc_init1(ram_addr_t ram_size,
         }
     }
 
+    if (extboot_drive) {
+	DriveInfo *info = extboot_drive;
+	int cyls, heads, secs;
+
+	if (info->type != IF_IDE && info->type != IF_VIRTIO) {
+	    bdrv_guess_geometry(info->bdrv, &cyls, &heads, &secs);
+	    bdrv_set_geometry_hint(info->bdrv, cyls, heads, secs);
+	}
+
+	extboot_init(info->bdrv, 1);
+    }
+
     /* Add virtio console devices */
     if (pci_enabled) {
         for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) {
@@ -1251,6 +1292,12 @@ static void pc_init1(ram_addr_t ram_size,
             }
         }
     }
+
+#ifdef CONFIG_KVM_DEVICE_ASSIGNMENT
+    if (kvm_enabled()) {
+        add_assigned_devices(pci_bus, assigned_devices, assigned_devices_index);
+    }
+#endif /* CONFIG_KVM_DEVICE_ASSIGNMENT */
 }
 
 static void pc_init_pci(ram_addr_t ram_size,

hw/pc.h

@@ -28,6 +28,7 @@ extern PicState2 *isa_pic;
 void pic_set_irq(int irq, int level);
 void pic_set_irq_new(void *opaque, int irq, int level);
 qemu_irq *i8259_init(qemu_irq parent_irq);
+qemu_irq *kvm_i8259_init(qemu_irq parent_irq);
 int pic_read_irq(PicState2 *s);
 void pic_update_irq(PicState2 *s);
 uint32_t pic_intack_read(PicState2 *s);
@@ -48,6 +49,7 @@ qemu_irq *ioapic_init(void);
 void ioapic_set_irq(void *opaque, int vector, int level);
 void apic_reset_irq_delivered(void);
 int apic_get_irq_delivered(void);
+void apic_set_irq_delivered(void);
 
 /* i8254.c */
 
@@ -62,8 +64,12 @@ int pit_get_initial_count(PITState *pit, int channel);
 int pit_get_mode(PITState *pit, int channel);
 int pit_get_out(PITState *pit, int channel, int64_t current_time);
 
-void hpet_pit_disable(void);
-void hpet_pit_enable(void);
+/* i8254-kvm.c */
+
+PITState *kvm_pit_init(int base, qemu_irq irq);
+
+void hpet_disable_pit(void);
+void hpet_enable_pit(void);
 
 /* vmport.c */
 void vmport_init(void);
@@ -93,6 +99,7 @@ extern int fd_bootchk;
 
 void ioport_set_a20(int enable);
 int ioport_get_a20(void);
+CPUState *pc_new_cpu(const char *cpu_model);
 
 /* acpi.c */
 extern int acpi_enabled;
@@ -106,7 +113,7 @@ int acpi_table_add(const char *table_desc);
 i2c_bus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
                        qemu_irq sci_irq);
 void piix4_smbus_register_device(SMBusDevice *dev, uint8_t addr);
-void piix4_acpi_system_hot_add_init(PCIBus *bus);
+void piix4_acpi_system_hot_add_init(PCIBus *bus, const char *model);
 
 /* hpet.c */
 extern int no_hpet;
@@ -116,6 +123,9 @@ void pcspk_init(PITState *);
 int pcspk_audio_init(qemu_irq *pic);
 
 /* piix_pci.c */
+/* config space register for IRQ routing */
+#define PIIX_CONFIG_IRQ_ROUTE 0x60
+
 struct PCII440FXState;
 typedef struct PCII440FXState PCII440FXState;
 
@@ -127,6 +137,10 @@ void i440fx_init_memory_mappings(PCII440FXState *d);
 extern PCIDevice *piix4_dev;
 int piix4_init(PCIBus *bus, int devfn);
 
+int piix_get_irq(int pin);
+
+int ipf_map_irq(PCIDevice *pci_dev, int irq_num);
+
 /* vga.c */
 enum vga_retrace_method {
     VGA_RETRACE_DUMB,
@@ -149,5 +163,10 @@ void isa_cirrus_vga_init(void);
 
 void isa_ne2000_init(int base, int irq, NICInfo *nd);
 
+/* extboot.c */
+
+void extboot_init(BlockDriverState *bs, int cmd);
+
 int cpu_is_bsp(CPUState *env);
+
 #endif

hw/pci-hotplug.c

@@ -34,6 +34,7 @@
 #include "virtio-blk.h"
 #include "qemu-config.h"
 #include "qemu-objects.h"
+#include "device-assignment.h"
 
 #if defined(TARGET_I386)
 static PCIDevice *qemu_pci_hot_add_nic(Monitor *mon,
@@ -225,6 +226,24 @@ static PCIDevice *qemu_pci_hot_add_storage(Monitor *mon,
     return dev;
 }
 
+#ifdef CONFIG_KVM_DEVICE_ASSIGNMENT
+static PCIDevice *qemu_pci_hot_assign_device(Monitor *mon,
+                                             const char *devaddr,
+                                             const char *opts_str)
+{
+    QemuOpts *opts;
+    DeviceState *dev;
+
+    opts = add_assigned_device(opts_str);
+    if (opts == NULL) {
+        monitor_printf(mon, "Error adding device; check syntax\n");
+        return NULL;
+    }
+    dev = qdev_device_add(opts);
+    return DO_UPCAST(PCIDevice, qdev, dev);
+}
+#endif /* CONFIG_KVM_DEVICE_ASSIGNMENT */
+
 void pci_device_hot_add_print(Monitor *mon, const QObject *data)
 {
     QDict *qdict;
@@ -277,6 +296,10 @@ void pci_device_hot_add(Monitor *mon, const QDict *qdict, QObject **ret_data)
         dev = qemu_pci_hot_add_nic(mon, pci_addr, opts);
     else if (strcmp(type, "storage") == 0)
         dev = qemu_pci_hot_add_storage(mon, pci_addr, opts);
+#ifdef CONFIG_KVM_DEVICE_ASSIGNMENT
+    else if (strcmp(type, "host") == 0)
+        dev = qemu_pci_hot_assign_device(mon, pci_addr, opts);
+#endif /* CONFIG_KVM_DEVICE_ASSIGNMENT */
     else
         monitor_printf(mon, "invalid type: %s\n", type);
 

hw/pci.c

@@ -27,6 +27,9 @@
 #include "net.h"
 #include "sysemu.h"
 #include "loader.h"
+#include "qemu-kvm.h"
+#include "hw/pc.h"
+#include "device-assignment.h"
 
 //#define DEBUG_PCI
 #ifdef DEBUG_PCI
@@ -423,6 +426,7 @@ static int pci_set_default_subsystem_id(PCIDevice *pci_dev)
 }
 
 /*
+ * Parse pci address in qemu command
  * Parse [[<domain>:]<bus>:]<slot>, return -1 on error
  */
 static int pci_parse_devaddr(const char *addr, int *domp, int *busp, unsigned *slotp)
@@ -471,6 +475,55 @@ static int pci_parse_devaddr(const char *addr, int *domp, int *busp, unsigned *s
     return 0;
 }
 
+/*
+ * Parse device bdf in device assignment command:
+ *
+ * -pcidevice host=bus:dev.func
+ *
+ * Parse <bus>:<slot>.<func> return -1 on error
+ */
+int pci_parse_host_devaddr(const char *addr, int *busp,
+                           int *slotp, int *funcp)
+{
+    const char *p;
+    char *e;
+    int val;
+    int bus = 0, slot = 0, func = 0;
+
+    p = addr;
+    val = strtoul(p, &e, 16);
+    if (e == p)
+	return -1;
+    if (*e == ':') {
+	bus = val;
+	p = e + 1;
+	val = strtoul(p, &e, 16);
+	if (e == p)
+	    return -1;
+	if (*e == '.') {
+	    slot = val;
+	    p = e + 1;
+	    val = strtoul(p, &e, 16);
+	    if (e == p)
+		return -1;
+	    func = val;
+	} else
+	    return -1;
+    } else
+	return -1;
+
+    if (bus > 0xff || slot > 0x1f || func > 0x7)
+	return -1;
+
+    if (*e)
+	return -1;
+
+    *busp = bus;
+    *slotp = slot;
+    *funcp = func;
+    return 0;
+}
+
 int pci_read_devaddr(Monitor *mon, const char *addr, int *domp, int *busp,
                      unsigned *slotp)
 {
@@ -947,25 +1000,80 @@ static void pci_update_mappings(PCIDevice *d)
     }
 }
 
-uint32_t pci_default_read_config(PCIDevice *d,
-                                 uint32_t address, int len)
+static uint32_t pci_read_config(PCIDevice *d,
+                                uint32_t address, int len)
 {
     uint32_t val = 0;
-    assert(len == 1 || len == 2 || len == 4);
+
     len = MIN(len, pci_config_size(d) - address);
     memcpy(&val, d->config + address, len);
     return le32_to_cpu(val);
 }
 
+uint32_t pci_default_read_config(PCIDevice *d,
+                                 uint32_t address, int len)
+{
+    assert(len == 1 || len == 2 || len == 4);
+
+    if (pci_access_cap_config(d, address, len)) {
+        return d->cap.config_read(d, address, len);
+    }
+
+    return pci_read_config(d, address, len);
+}
+
+static void pci_write_config(PCIDevice *pci_dev,
+                             uint32_t address, uint32_t val, int len)
+{
+    int i;
+    for (i = 0; i < len; i++) {
+        pci_dev->config[address + i] = val & 0xff;
+        val >>= 8;
+    }
+}
+
+int pci_access_cap_config(PCIDevice *pci_dev, uint32_t address, int len)
+{
+    if (pci_dev->cap.supported && address >= pci_dev->cap.start &&
+            (address + len) < pci_dev->cap.start + pci_dev->cap.length)
+        return 1;
+    return 0;
+}
+
+uint32_t pci_default_cap_read_config(PCIDevice *pci_dev,
+                                     uint32_t address, int len)
+{
+    return pci_read_config(pci_dev, address, len);
+}
+
+void pci_default_cap_write_config(PCIDevice *pci_dev,
+                                  uint32_t address, uint32_t val, int len)
+{
+    pci_write_config(pci_dev, address, val, len);
+}
+
 void pci_default_write_config(PCIDevice *d, uint32_t addr, uint32_t val, int l)
 {
     int i;
     uint32_t config_size = pci_config_size(d);
 
+    if (pci_access_cap_config(d, addr, l)) {
+        d->cap.config_write(d, addr, val, l);
+        return;
+    }
+
     for (i = 0; i < l && addr + i < config_size; val >>= 8, ++i) {
         uint8_t wmask = d->wmask[addr + i];
         d->config[addr + i] = (d->config[addr + i] & ~wmask) | (val & wmask);
     }
+
+#ifdef CONFIG_KVM_DEVICE_ASSIGNMENT
+    if (kvm_enabled() && kvm_irqchip_in_kernel() &&
+        addr >= PIIX_CONFIG_IRQ_ROUTE &&
+	addr < PIIX_CONFIG_IRQ_ROUTE + 4)
+        assigned_dev_update_irqs();
+#endif /* CONFIG_KVM_DEVICE_ASSIGNMENT */
+
     if (ranges_overlap(addr, l, PCI_BASE_ADDRESS_0, 24) ||
         ranges_overlap(addr, l, PCI_ROM_ADDRESS, 4) ||
         ranges_overlap(addr, l, PCI_ROM_ADDRESS1, 4) ||
@@ -986,11 +1094,20 @@ static void pci_set_irq(void *opaque, int irq_num, int level)
     if (!change)
         return;
 
+#if defined(TARGET_IA64)
+    ioapic_set_irq(pci_dev, irq_num, level);
+#endif
+
     pci_set_irq_state(pci_dev, irq_num, level);
     pci_update_irq_status(pci_dev);
     pci_change_irq_level(pci_dev, irq_num, change);
 }
 
+int pci_map_irq(PCIDevice *pci_dev, int pin)
+{
+    return pci_dev->bus->map_irq(pci_dev, pin);
+}
+
 /***********************************************************/
 /* monitor info on PCI */
 
@@ -1417,6 +1534,37 @@ PCIDevice *pci_create_simple(PCIBus *bus, int devfn, const char *name)
     return dev;
 }
 
+int pci_enable_capability_support(PCIDevice *pci_dev,
+                                  uint32_t config_start,
+                                  PCICapConfigReadFunc *config_read,
+                                  PCICapConfigWriteFunc *config_write,
+                                  PCICapConfigInitFunc *config_init)
+{
+    if (!pci_dev)
+        return -ENODEV;
+
+    pci_dev->config[0x06] |= 0x10; // status = capabilities
+
+    if (config_start == 0)
+	pci_dev->cap.start = PCI_CAPABILITY_CONFIG_DEFAULT_START_ADDR;
+    else if (config_start >= 0x40 && config_start < 0xff)
+        pci_dev->cap.start = config_start;
+    else
+        return -EINVAL;
+
+    if (config_read)
+        pci_dev->cap.config_read = config_read;
+    else
+        pci_dev->cap.config_read = pci_default_cap_read_config;
+    if (config_write)
+        pci_dev->cap.config_write = config_write;
+    else
+        pci_dev->cap.config_write = pci_default_cap_write_config;
+    pci_dev->cap.supported = 1;
+    pci_dev->config[PCI_CAPABILITY_LIST] = pci_dev->cap.start;
+    return config_init(pci_dev);
+}
+
 static int pci_find_space(PCIDevice *pdev, uint8_t size)
 {
     int config_size = pci_config_size(pdev);

hw/pci.h

@@ -5,11 +5,16 @@
 
 #include "qdev.h"
 
+struct kvm_irq_routing_entry;
+
 /* PCI includes legacy ISA access.  */
 #include "isa.h"
 
-/* PCI bus */
+/* imported from <linux/pci.h> */
+#define PCI_SLOT(devfn)         (((devfn) >> 3) & 0x1f)
+#define PCI_FUNC(devfn)         ((devfn) & 0x07)
 
+/* PCI bus */
 extern target_phys_addr_t pci_mem_base;
 
 #define PCI_DEVFN(slot, func)   ((((slot) & 0x1f) << 3) | ((func) & 0x07))
@@ -82,6 +87,12 @@ typedef void PCIMapIORegionFunc(PCIDevice *pci_dev, int region_num,
                                 pcibus_t addr, pcibus_t size, int type);
 typedef int PCIUnregisterFunc(PCIDevice *pci_dev);
 
+typedef void PCICapConfigWriteFunc(PCIDevice *pci_dev,
+                                   uint32_t address, uint32_t val, int len);
+typedef uint32_t PCICapConfigReadFunc(PCIDevice *pci_dev,
+                                      uint32_t address, int len);
+typedef int PCICapConfigInitFunc(PCIDevice *pci_dev);
+
 typedef struct PCIIORegion {
     pcibus_t addr; /* current PCI mapping address. -1 means not mapped */
 #define PCI_BAR_UNMAPPED (~(pcibus_t)0)
@@ -160,10 +171,19 @@ typedef struct PCIIORegion {
 /* Bits in the PCI Status Register (PCI 2.3 spec) */
 #define PCI_STATUS_RESERVED1	0x007
 #define PCI_STATUS_INT_STATUS	0x008
+#ifndef PCI_STATUS_CAP_LIST
 #define PCI_STATUS_CAP_LIST	0x010
+#endif
+#ifndef PCI_STATUS_66MHZ
 #define PCI_STATUS_66MHZ	0x020
+#endif
+
 #define PCI_STATUS_RESERVED2	0x040
+
+#ifndef PCI_STATUS_FAST_BACK
 #define PCI_STATUS_FAST_BACK	0x080
+#endif
+
 #define PCI_STATUS_DEVSEL	0x600
 
 #define PCI_STATUS_RESERVED_MASK_LO (PCI_STATUS_RESERVED1 | \
@@ -192,6 +212,11 @@ enum {
     QEMU_PCI_CAP_EXPRESS = 0x2,
 };
 
+#define PCI_CAPABILITY_CONFIG_MAX_LENGTH 0x60
+#define PCI_CAPABILITY_CONFIG_DEFAULT_START_ADDR 0x40
+#define PCI_CAPABILITY_CONFIG_MSI_LENGTH 0x10
+#define PCI_CAPABILITY_CONFIG_MSIX_LENGTH 0x10
+
 struct PCIDevice {
     DeviceState qdev;
     /* PCI config space */
@@ -247,6 +272,23 @@ struct PCIDevice {
     char *romfile;
     ram_addr_t rom_offset;
     uint32_t rom_bar;
+
+    /* How much space does an MSIX table need. */
+    /* The spec requires giving the table structure
+     * a 4K aligned region all by itself. Align it to
+     * target pages so that drivers can do passthrough
+     * on the rest of the region. */
+    target_phys_addr_t msix_page_size;
+
+    struct kvm_irq_routing_entry *msix_irq_entries;
+
+    /* Device capability configuration space */
+    struct {
+        int supported;
+        unsigned int start, length;
+        PCICapConfigReadFunc *config_read;
+        PCICapConfigWriteFunc *config_write;
+    } cap;
 };
 
 PCIDevice *pci_register_device(PCIBus *bus, const char *name,
@@ -258,6 +300,14 @@ void pci_register_bar(PCIDevice *pci_dev, int region_num,
                             pcibus_t size, int type,
                             PCIMapIORegionFunc *map_func);
 
+int pci_enable_capability_support(PCIDevice *pci_dev,
+                                  uint32_t config_start,
+                                  PCICapConfigReadFunc *config_read,
+                                  PCICapConfigWriteFunc *config_write,
+                                  PCICapConfigInitFunc *config_init);
+
+int pci_map_irq(PCIDevice *pci_dev, int pin);
+
 int pci_add_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size);
 
 void pci_del_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size);
@@ -266,13 +316,17 @@ void pci_reserve_capability(PCIDevice *pci_dev, uint8_t offset, uint8_t size);
 
 uint8_t pci_find_capability(PCIDevice *pci_dev, uint8_t cap_id);
 
-
 uint32_t pci_default_read_config(PCIDevice *d,
                                  uint32_t address, int len);
 void pci_default_write_config(PCIDevice *d,
                               uint32_t address, uint32_t val, int len);
 void pci_device_save(PCIDevice *s, QEMUFile *f);
 int pci_device_load(PCIDevice *s, QEMUFile *f);
+uint32_t pci_default_cap_read_config(PCIDevice *pci_dev,
+                                     uint32_t address, int len);
+void pci_default_cap_write_config(PCIDevice *pci_dev,
+                                  uint32_t address, uint32_t val, int len);
+int pci_access_cap_config(PCIDevice *pci_dev, uint32_t address, int len);
 
 typedef void (*pci_set_irq_fn)(void *opaque, int irq_num, int level);
 typedef int (*pci_map_irq_fn)(PCIDevice *pci_dev, int irq_num);
@@ -301,6 +355,9 @@ PCIBus *pci_get_bus_devfn(int *devfnp, const char *devaddr);
 int pci_read_devaddr(Monitor *mon, const char *addr, int *domp, int *busp,
                      unsigned *slotp);
 
+int pci_parse_host_devaddr(const char *addr, int *busp,
+                           int *slotp, int *funcp);
+
 void pci_info(Monitor *mon);
 PCIBus *pci_bridge_init(PCIBus *bus, int devfn, uint16_t vid, uint16_t did,
                         pci_map_irq_fn map_irq, const char *name);

hw/pcspk.c

@@ -27,6 +27,8 @@
 #include "isa.h"
 #include "audio/audio.h"
 #include "qemu-timer.h"
+#include "i8254.h"
+#include "qemu-kvm.h"
 
 #define PCSPK_BUF_LEN 1792
 #define PCSPK_SAMPLE_RATE 32000
@@ -48,6 +50,43 @@ typedef struct {
 static const char *s_spk = "pcspk";
 static PCSpkState pcspk_state;
 
+#ifdef CONFIG_KVM_PIT
+static void kvm_get_pit_ch2(PITState *pit,
+                            struct kvm_pit_state *inkernel_state)
+{
+    struct kvm_pit_state pit_state;
+
+    if (kvm_enabled() && qemu_kvm_pit_in_kernel()) {
+        kvm_get_pit(kvm_context, &pit_state);
+        pit->channels[2].mode = pit_state.channels[2].mode;
+        pit->channels[2].count = pit_state.channels[2].count;
+        pit->channels[2].count_load_time = pit_state.channels[2].count_load_time;
+        pit->channels[2].gate = pit_state.channels[2].gate;
+        if (inkernel_state) {
+            memcpy(inkernel_state, &pit_state, sizeof(*inkernel_state));
+        }
+    }
+}
+
+static void kvm_set_pit_ch2(PITState *pit,
+                            struct kvm_pit_state *inkernel_state)
+{
+    if (kvm_enabled() && qemu_kvm_pit_in_kernel()) {
+        inkernel_state->channels[2].mode = pit->channels[2].mode;
+        inkernel_state->channels[2].count = pit->channels[2].count;
+        inkernel_state->channels[2].count_load_time =
+            pit->channels[2].count_load_time;
+        inkernel_state->channels[2].gate = pit->channels[2].gate;
+        kvm_set_pit(kvm_context, inkernel_state);
+    }
+}
+#else
+static inline void kvm_get_pit_ch2(PITState *pit,
+                                   struct kvm_pit_state *inkernel_state) { }
+static inline void kvm_set_pit_ch2(PITState *pit,
+                                   struct kvm_pit_state *inkernel_state) { }
+#endif
+
 static inline void generate_samples(PCSpkState *s)
 {
     unsigned int i;
@@ -72,6 +111,8 @@ static void pcspk_callback(void *opaque, int free)
     PCSpkState *s = opaque;
     unsigned int n;
 
+    kvm_get_pit_ch2(s->pit, NULL);
+
     if (pit_get_mode(s->pit, 2) != 3)
         return;
 
@@ -117,6 +158,8 @@ static uint32_t pcspk_ioport_read(void *opaque, uint32_t addr)
     PCSpkState *s = opaque;
     int out;
 
+    kvm_get_pit_ch2(s->pit, NULL);
+
     s->dummy_refresh_clock ^= (1 << 4);
     out = pit_get_out(s->pit, 2, qemu_get_clock(vm_clock)) << 5;
 
@@ -125,9 +168,12 @@ static uint32_t pcspk_ioport_read(void *opaque, uint32_t addr)
 
 static void pcspk_ioport_write(void *opaque, uint32_t addr, uint32_t val)
 {
+    struct kvm_pit_state inkernel_state;
     PCSpkState *s = opaque;
     const int gate = val & 1;
 
+    kvm_get_pit_ch2(s->pit, &inkernel_state);
+
     s->data_on = (val >> 1) & 1;
     pit_set_gate(s->pit, 2, gate);
     if (s->voice) {
@@ -135,6 +181,8 @@ static void pcspk_ioport_write(void *opaque, uint32_t addr, uint32_t val)
             s->play_pos = 0;
         AUD_set_active_out(s->voice, gate & s->data_on);
     }
+
+    kvm_set_pit_ch2(s->pit, &inkernel_state);
 }
 
 void pcspk_init(PITState *pit)

hw/piix_pci.c

@@ -29,6 +29,8 @@
 #include "isa.h"
 #include "sysbus.h"
 
+#include "qemu-kvm.h"
+
 typedef PCIHostState I440FXState;
 
 typedef struct PIIX3State {
@@ -88,6 +90,10 @@ static void i440fx_update_memory_mappings(PCII440FXState *d)
     int i, r;
     uint32_t smram, addr;
 
+    if (kvm_enabled()) {
+        /* FIXME: Support remappings and protection changes. */
+        return;
+    }
     update_pam(d, 0xf0000, 0x100000, (d->dev.config[0x59] >> 4) & 3);
     for(i = 0; i < 12; i++) {
         r = (d->dev.config[(i >> 1) + 0x5a] >> ((i & 1) * 4)) & 3;
@@ -201,6 +207,8 @@ static int i440fx_initfn(PCIDevice *dev)
     return 0;
 }
 
+static PIIX3State *piix3_dev;
+
 PCIBus *i440fx_init(PCII440FXState **pi440fx_state, int *piix3_devfn, qemu_irq *pic)
 {
     DeviceState *dev;
@@ -226,6 +234,8 @@ PCIBus *i440fx_init(PCII440FXState **pi440fx_state, int *piix3_devfn, qemu_irq *
 
     *piix3_devfn = piix3->dev.devfn;
 
+    piix3_dev = piix3;
+
     return b;
 }
 
@@ -253,6 +263,13 @@ static void piix3_set_irq(void *opaque, int irq_num, int level)
     }
 }
 
+int piix_get_irq(int pin)
+{
+    if (piix3_dev)
+        return piix3_dev->dev.config[0x60+pin];
+    return 0;
+}
+
 static void piix3_reset(void *opaque)
 {
     PIIX3State *d = opaque;

hw/ppc440.c

@@ -20,6 +20,7 @@
 #include "ppc405.h"
 #include "sysemu.h"
 #include "kvm.h"
+#include "qemu-kvm.h"
 
 #define PPC440EP_PCI_CONFIG     0xeec00000
 #define PPC440EP_PCI_INTACK     0xeed00000

hw/ppc440_bamboo.c

@@ -24,6 +24,7 @@
 #include "device_tree.h"
 #include "loader.h"
 #include "elf.h"
+#include "qemu-kvm.h"
 
 #define BINARY_DEVICE_TREE_FILE "bamboo.dtb"
 

hw/ppce500_mpc8544ds.c

@@ -31,6 +31,7 @@
 #include "ppce500.h"
 #include "loader.h"
 #include "elf.h"
+#include "qemu-kvm.h"
 
 #define BINARY_DEVICE_TREE_FILE    "mpc8544ds.dtb"
 #define UIMAGE_LOAD_BASE           0

hw/testdev.c

@@ -0,0 +1,63 @@
+#include "hw.h"
+#include "qdev.h"
+#include "isa.h"
+
+struct testdev {
+    ISADevice dev;
+    CharDriverState *chr;
+};
+
+static void test_device_serial_write(void *opaque, uint32_t addr, uint32_t data)
+{
+    struct testdev *dev = opaque;
+    uint8_t buf[1] = { data };
+
+    if (dev->chr) {
+        qemu_chr_write(dev->chr, buf, 1);
+    }
+}
+
+static void test_device_exit(void *opaque, uint32_t addr, uint32_t data)
+{
+    exit(data);
+}
+
+static uint32_t test_device_memsize_read(void *opaque, uint32_t addr)
+{
+    return ram_size;
+}
+
+static void test_device_irq_line(void *opaque, uint32_t addr, uint32_t data)
+{
+    extern qemu_irq *ioapic_irq_hack;
+
+    qemu_set_irq(ioapic_irq_hack[addr - 0x2000], !!data);
+}
+
+static int init_test_device(ISADevice *isa)
+{
+    struct testdev *dev = DO_UPCAST(struct testdev, dev, isa);
+
+    register_ioport_write(0xf1, 1, 1, test_device_serial_write, dev);
+    register_ioport_write(0xf4, 1, 4, test_device_exit, dev);
+    register_ioport_read(0xd1, 1, 4, test_device_memsize_read, dev);
+    register_ioport_write(0x2000, 24, 1, test_device_irq_line, NULL);
+    return 0;
+}
+
+static ISADeviceInfo testdev_info = {
+    .qdev.name  = "testdev",
+    .qdev.size  = sizeof(struct testdev),
+    .init       = init_test_device,
+    .qdev.props = (Property[]) {
+        DEFINE_PROP_CHR("chardev", struct testdev, chr),
+        DEFINE_PROP_END_OF_LIST(),
+    },
+};
+
+static void testdev_register_devices(void)
+{
+    isa_qdev_register(&testdev_info);
+}
+
+device_init(testdev_register_devices)

hw/vga-pci.c

@@ -68,9 +68,11 @@ static void pci_vga_write_config(PCIDevice *d,
     PCIVGAState *pvs = container_of(d, PCIVGAState, dev);
     VGACommonState *s = &pvs->vga;
 
+    vga_dirty_log_stop(s);
     pci_default_write_config(d, address, val, len);
     if (s->map_addr && pvs->dev.io_regions[0].addr == -1)
         s->map_addr = 0;
+    vga_dirty_log_start(s);
 }
 
 static int pci_vga_initfn(PCIDevice *dev)

hw/vga.c

@@ -1277,6 +1277,8 @@ static void vga_draw_text(VGACommonState *s, int full_update)
     vga_draw_glyph8_func *vga_draw_glyph8;
     vga_draw_glyph9_func *vga_draw_glyph9;
 
+    vga_dirty_log_stop(s);
+
     /* compute font data address (in plane 2) */
     v = s->sr[3];
     offset = (((v >> 4) & 1) | ((v << 1) & 6)) * 8192 * 4 + 2;
@@ -1589,40 +1591,65 @@ static void vga_sync_dirty_bitmap(VGACommonState *s)
     }
 #endif
 
+    vga_dirty_log_start(s);
+}
+
+static int s1, s2, s3;
+
+static void mark_dirty(target_phys_addr_t start, target_phys_addr_t len)
+{
+    target_phys_addr_t end = start + len;
+
+    while (start < end) {
+        cpu_physical_memory_set_dirty(cpu_get_physical_page_desc(start));
+        start += TARGET_PAGE_SIZE;
+    }
 }
 
 void vga_dirty_log_start(VGACommonState *s)
 {
     if (kvm_enabled() && s->map_addr)
-        kvm_log_start(s->map_addr, s->map_end - s->map_addr);
-
+        if (!s1) {
+            kvm_log_start(s->map_addr, s->map_end - s->map_addr);
+            mark_dirty(s->map_addr, s->map_end - s->map_addr);
+            s1 = 1;
+        }
     if (kvm_enabled() && s->lfb_vram_mapped) {
-        kvm_log_start(isa_mem_base + 0xa0000, 0x8000);
-        kvm_log_start(isa_mem_base + 0xa8000, 0x8000);
+        if (!s2) {
+            kvm_log_start(isa_mem_base + 0xa0000, 0x8000);
+            kvm_log_start(isa_mem_base + 0xa8000, 0x8000);
+            mark_dirty(isa_mem_base + 0xa0000, 0x10000);
+        }
+        s2 = 1;
     }
 
 #ifdef CONFIG_BOCHS_VBE
     if (kvm_enabled() && s->vbe_mapped) {
-        kvm_log_start(VBE_DISPI_LFB_PHYSICAL_ADDRESS, s->vram_size);
+        if (!s3) {
+            kvm_log_start(VBE_DISPI_LFB_PHYSICAL_ADDRESS, s->vram_size);
+        }
+        s3 = 1;
     }
 #endif
 }
 
 void vga_dirty_log_stop(VGACommonState *s)
 {
-    if (kvm_enabled() && s->map_addr)
+    if (kvm_enabled() && s->map_addr && s1)
 	kvm_log_stop(s->map_addr, s->map_end - s->map_addr);
 
-    if (kvm_enabled() && s->lfb_vram_mapped) {
+    if (kvm_enabled() && s->lfb_vram_mapped && s2) {
 	kvm_log_stop(isa_mem_base + 0xa0000, 0x80000);
 	kvm_log_stop(isa_mem_base + 0xa8000, 0x80000);
     }
 
 #ifdef CONFIG_BOCHS_VBE
-    if (kvm_enabled() && s->vbe_mapped) {
+    if (kvm_enabled() && s->vbe_mapped && s3) {
 	kvm_log_stop(VBE_DISPI_LFB_PHYSICAL_ADDRESS, s->vram_size);
     }
 #endif
+
+    s1 = s2 = s3 = 0;
 }
 
 void vga_dirty_log_restart(VGACommonState *s)
@@ -1860,6 +1887,7 @@ static void vga_draw_blank(VGACommonState *s, int full_update)
         return;
     if (s->last_scr_width <= 0 || s->last_scr_height <= 0)
         return;
+    vga_dirty_log_stop(s);
 
     s->rgb_to_pixel =
         rgb_to_pixel_dup_table[get_depth_index(s->ds)];
@@ -1904,6 +1932,9 @@ static void vga_update_display(void *opaque)
             vga_draw_text(s, full_update);
             break;
         case GMODE_GRAPH:
+#ifdef TARGET_IA64
+            full_update = 1;
+#endif
             vga_draw_graphic(s, full_update);
             break;
         case GMODE_BLANK:

hw/vga_int.h

@@ -33,8 +33,8 @@
 /* bochs VBE support */
 #define CONFIG_BOCHS_VBE
 
-#define VBE_DISPI_MAX_XRES              1600
-#define VBE_DISPI_MAX_YRES              1200
+#define VBE_DISPI_MAX_XRES              2560
+#define VBE_DISPI_MAX_YRES              1600
 #define VBE_DISPI_MAX_BPP               32
 
 #define VBE_DISPI_INDEX_ID              0x0
@@ -224,7 +224,7 @@ void vga_init_vbe(VGACommonState *s);
 extern const uint8_t sr_mask[8];
 extern const uint8_t gr_mask[16];
 
-#define VGA_RAM_SIZE (8192 * 1024)
+#define VGA_RAM_SIZE (16 * 1024 * 1024)
 #define VGABIOS_FILENAME "vgabios.bin"
 #define VGABIOS_CIRRUS_FILENAME "vgabios-cirrus.bin"
 

hw/virtio-balloon.c

@@ -19,6 +19,7 @@
 #include "balloon.h"
 #include "virtio-balloon.h"
 #include "kvm.h"
+#include "qemu-kvm.h"
 
 #if defined(__linux__)
 #include <sys/mman.h>

hw/virtio-console.c

@@ -129,6 +129,9 @@ VirtIODevice *virtio_console_init(DeviceState *dev)
     s = (VirtIOConsole *)virtio_common_init("virtio-console",
                                             VIRTIO_ID_CONSOLE,
                                             0, sizeof(VirtIOConsole));
+    if (s == NULL)
+        return NULL;
+
     s->vdev.get_features = virtio_console_get_features;
 
     s->ivq = virtio_add_queue(&s->vdev, 128, virtio_console_handle_input);

hw/vmport.c

@@ -21,10 +21,12 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+
 #include "hw.h"
 #include "isa.h"
 #include "pc.h"
 #include "sysemu.h"
+#include "qemu-kvm.h"
 
 //#define VMPORT_DEBUG
 
@@ -57,6 +59,10 @@ static uint32_t vmport_ioport_read(void *opaque, uint32_t addr)
     CPUState *env = cpu_single_env;
     unsigned char command;
     uint32_t eax;
+    uint32_t ret;
+
+    if (kvm_enabled())
+	kvm_save_registers(env);
 
     eax = env->regs[R_EAX];
     if (eax != VMPORT_MAGIC)
@@ -73,7 +79,12 @@ static uint32_t vmport_ioport_read(void *opaque, uint32_t addr)
         return eax;
     }
 
-    return s->func[command](s->opaque[command], addr);
+    ret = s->func[command](s->opaque[command], addr);
+
+    if (kvm_enabled())
+	kvm_load_registers(env);
+
+    return ret;
 }
 
 static void vmport_ioport_write(void *opaque, uint32_t addr, uint32_t val)

ia64.ld

@@ -7,7 +7,7 @@ ENTRY(_start)
 SECTIONS
 {
   /* Read-only sections, merged into text segment: */
-  PROVIDE (__executable_start = 0x60000000); . = 0x60000000 + SIZEOF_HEADERS;
+  PROVIDE (__executable_start = 0x4000000060000000); . = 0x4000000060000000 + SIZEOF_HEADERS;
   .interp         : { *(.interp) }
   .hash           : { *(.hash) }
   .dynsym         : { *(.dynsym) }

ia64intrin.h

@@ -0,0 +1,150 @@
+#ifndef IA64_INTRINSIC_H
+#define IA64_INTRINSIC_H
+
+/*
+ * Compiler-dependent Intrinsics
+ *
+ * Copyright (C) 2002,2003 Jun Nakajima <jun.nakajima@intel.com>
+ * Copyright (C) 2002,2003 Suresh Siddha <suresh.b.siddha@intel.com>
+ *
+ */
+extern long ia64_cmpxchg_called_with_bad_pointer (void);
+extern void ia64_bad_param_for_getreg (void);
+#define ia64_cmpxchg(sem,ptr,o,n,s) ({					\
+	uint64_t _o, _r;						\
+	switch(s) {							\
+		case 1: _o = (uint8_t)(long)(o); break;			\
+		case 2: _o = (uint16_t)(long)(o); break;		\
+		case 4: _o = (uint32_t)(long)(o); break;		\
+		case 8: _o = (uint64_t)(long)(o); break;		\
+		default: break;						\
+	}								\
+	switch(s) {							\
+		case 1:							\
+		_r = ia64_cmpxchg1_##sem((uint8_t*)ptr,n,_o); break;	\
+		case 2:							\
+		_r = ia64_cmpxchg2_##sem((uint16_t*)ptr,n,_o); break;	\
+		case 4:							\
+		_r = ia64_cmpxchg4_##sem((uint32_t*)ptr,n,_o); break;	\
+		case 8:							\
+		_r = ia64_cmpxchg8_##sem((uint64_t*)ptr,n,_o); break;	\
+		default:						\
+		_r = ia64_cmpxchg_called_with_bad_pointer(); break;	\
+	}								\
+	(__typeof__(o)) _r;						\
+})
+
+#define cmpxchg_acq(ptr,o,n) ia64_cmpxchg(acq,ptr,o,n,sizeof(*ptr))
+#define cmpxchg_rel(ptr,o,n) ia64_cmpxchg(rel,ptr,o,n,sizeof(*ptr))
+
+#ifdef __INTEL_COMPILER
+void  __fc(uint64_t *addr);
+void  __synci(void);
+void __isrlz(void);
+void __dsrlz(void);
+uint64_t __getReg(const int whichReg);
+uint64_t _InterlockedCompareExchange8_rel(volatile uint8_t *dest, uint64_t xchg, uint64_t comp);
+uint64_t _InterlockedCompareExchange8_acq(volatile uint8_t *dest, uint64_t xchg, uint64_t comp);
+uint64_t _InterlockedCompareExchange16_rel(volatile uint16_t *dest, uint64_t xchg, uint64_t comp);
+uint64_t _InterlockedCompareExchange16_acq(volatile uint16_t *dest, uint64_t xchg, uint64_t comp);
+uint64_t _InterlockedCompareExchange_rel(volatile uint32_t *dest, uint64_t xchg, uint64_t comp);
+uint64_t _InterlockedCompareExchange_acq(volatile uint32_t *dest, uint64_t xchg, uint64_t comp);
+uint64_t _InterlockedCompareExchange64_rel(volatile uint64_t *dest, uint64_t xchg, uint64_t comp);
+u64_t _InterlockedCompareExchange64_acq(volatile uint64_t *dest, uint64_t xchg, uint64_t comp);
+
+#define ia64_cmpxchg1_rel	_InterlockedCompareExchange8_rel
+#define ia64_cmpxchg1_acq	_InterlockedCompareExchange8_acq
+#define ia64_cmpxchg2_rel	_InterlockedCompareExchange16_rel
+#define ia64_cmpxchg2_acq	_InterlockedCompareExchange16_acq
+#define ia64_cmpxchg4_rel	_InterlockedCompareExchange_rel
+#define ia64_cmpxchg4_acq	_InterlockedCompareExchange_acq
+#define ia64_cmpxchg8_rel	_InterlockedCompareExchange64_rel
+#define ia64_cmpxchg8_acq	_InterlockedCompareExchange64_acq
+
+#define ia64_srlz_d		__dsrlz
+#define ia64_srlz_i		__isrlz
+#define __ia64_fc 		__fc
+#define ia64_sync_i		__synci
+#define __ia64_getreg		__getReg
+#else /* __INTEL_COMPILER */
+#define ia64_cmpxchg1_acq(ptr, new, old)						\
+({											\
+	uint64_t ia64_intri_res;							\
+	asm volatile ("mov ar.ccv=%0;;" :: "rO"(old));					\
+	asm volatile ("cmpxchg1.acq %0=[%1],%2,ar.ccv":					\
+			      "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory");	\
+	ia64_intri_res;									\
+})
+
+#define ia64_cmpxchg1_rel(ptr, new, old)						\
+({											\
+	uint64_t ia64_intri_res;							\
+	asm volatile ("mov ar.ccv=%0;;" :: "rO"(old));					\
+	asm volatile ("cmpxchg1.rel %0=[%1],%2,ar.ccv":					\
+			      "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory");	\
+	ia64_intri_res;									\
+})
+
+#define ia64_cmpxchg2_acq(ptr, new, old)						\
+({											\
+	uint64_t ia64_intri_res;							\
+	asm volatile ("mov ar.ccv=%0;;" :: "rO"(old));					\
+	asm volatile ("cmpxchg2.acq %0=[%1],%2,ar.ccv":					\
+			      "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory");	\
+	ia64_intri_res;									\
+})
+
+#define ia64_cmpxchg2_rel(ptr, new, old)						\
+({											\
+	uint64_t ia64_intri_res;							\
+	asm volatile ("mov ar.ccv=%0;;" :: "rO"(old));					\
+											\
+	asm volatile ("cmpxchg2.rel %0=[%1],%2,ar.ccv":					\
+			      "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory");	\
+	ia64_intri_res;									\
+})
+
+#define ia64_cmpxchg4_acq(ptr, new, old)						\
+({											\
+	uint64_t ia64_intri_res;							\
+	asm volatile ("mov ar.ccv=%0;;" :: "rO"(old));					\
+	asm volatile ("cmpxchg4.acq %0=[%1],%2,ar.ccv":					\
+			      "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory");	\
+	ia64_intri_res;									\
+})
+
+#define ia64_cmpxchg4_rel(ptr, new, old)						\
+({											\
+	uint64_t ia64_intri_res;							\
+	asm volatile ("mov ar.ccv=%0;;" :: "rO"(old));					\
+	asm volatile ("cmpxchg4.rel %0=[%1],%2,ar.ccv":					\
+			      "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory");	\
+	ia64_intri_res;									\
+})
+
+#define ia64_cmpxchg8_acq(ptr, new, old)						\
+({											\
+	uint64_t ia64_intri_res;							\
+	asm volatile ("mov ar.ccv=%0;;" :: "rO"(old));					\
+	asm volatile ("cmpxchg8.acq %0=[%1],%2,ar.ccv":					\
+			      "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory");	\
+	ia64_intri_res;									\
+})
+
+#define ia64_cmpxchg8_rel(ptr, new, old)						\
+({											\
+	uint64_t ia64_intri_res;							\
+	asm volatile ("mov ar.ccv=%0;;" :: "rO"(old));					\
+											\
+	asm volatile ("cmpxchg8.rel %0=[%1],%2,ar.ccv":					\
+			      "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory");	\
+	ia64_intri_res;									\
+})
+
+#define ia64_srlz_i()	asm volatile (";; srlz.i ;;" ::: "memory")
+#define ia64_srlz_d()	asm volatile (";; srlz.d" ::: "memory");
+#define __ia64_fc(addr)	asm volatile ("fc %0" :: "r"(addr) : "memory")
+#define ia64_sync_i()	asm volatile (";; sync.i" ::: "memory")
+
+#endif /* __INTEL_COMPILER */
+#endif /* IA64_INTRINSIC_H */

kvm-all.c

@@ -26,6 +26,7 @@
 #include "gdbstub.h"
 #include "kvm.h"
 
+#ifdef KVM_UPSTREAM
 /* KVM uses PAGE_SIZE in it's definition of COALESCED_MMIO_MAX */
 #define PAGE_SIZE TARGET_PAGE_SIZE
 
@@ -57,7 +58,6 @@ struct KVMState
     KVMSlot slots[32];
     int fd;
     int vmfd;
-    int regs_modified;
     int coalesced_mmio;
     int broken_set_mem_region;
     int migration_log;
@@ -157,12 +157,14 @@ static void kvm_reset_vcpu(void *opaque)
         abort();
     }
 }
+#endif
 
 int kvm_irqchip_in_kernel(void)
 {
     return kvm_state->irqchip_in_kernel;
 }
 
+#ifdef KVM_UPSTREAM
 int kvm_pit_in_kernel(void)
 {
     return kvm_state->pit_in_kernel;
@@ -343,6 +345,7 @@ int kvm_physical_sync_dirty_bitmap(target_phys_addr_t start_addr,
 
     return ret;
 }
+#endif
 
 int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size)
 {
@@ -393,6 +396,7 @@ int kvm_check_extension(KVMState *s, unsigned int extension)
 
     return ret;
 }
+#ifdef KVM_UPSTREAM
 
 int kvm_init(int smp_cpus)
 {
@@ -504,6 +508,7 @@ err:
 
     return ret;
 }
+#endif
 
 static int kvm_handle_io(uint16_t port, void *data, int direction, int size,
                          uint32_t count)
@@ -544,6 +549,7 @@ static int kvm_handle_io(uint16_t port, void *data, int direction, int size,
     return 1;
 }
 
+#ifdef KVM_UPSTREAM
 static void kvm_run_coalesced_mmio(CPUState *env, struct kvm_run *run)
 {
 #ifdef KVM_CAP_COALESCED_MMIO
@@ -812,6 +818,7 @@ void kvm_set_phys_mem(target_phys_addr_t start_addr,
     }
 }
 
+#endif
 int kvm_ioctl(KVMState *s, int type, ...)
 {
     int ret;
@@ -879,6 +886,7 @@ int kvm_has_vcpu_events(void)
     return kvm_state->vcpu_events;
 }
 
+#ifdef KVM_UPSTREAM
 void kvm_setup_guest_memory(void *start, size_t size)
 {
     if (!kvm_has_sync_mmu()) {
@@ -897,7 +905,11 @@ void kvm_setup_guest_memory(void *start, size_t size)
     }
 }
 
+#endif /* KVM_UPSTREAM */
+
 #ifdef KVM_CAP_SET_GUEST_DEBUG
+
+#ifdef KVM_UPSTREAM
 static void on_vcpu(CPUState *env, void (*func)(void *data), void *data)
 {
 #ifdef CONFIG_IOTHREAD
@@ -910,6 +922,7 @@ static void on_vcpu(CPUState *env, void (*func)(void *data), void *data)
     func(data);
 #endif
 }
+#endif /* KVM_UPSTREAM */
 
 struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *env,
                                                  target_ulong pc)
@@ -928,6 +941,8 @@ int kvm_sw_breakpoints_active(CPUState *env)
     return !QTAILQ_EMPTY(&env->kvm_state->kvm_sw_breakpoints);
 }
 
+#ifdef KVM_UPSTREAM
+
 struct kvm_set_guest_debug_data {
     struct kvm_guest_debug dbg;
     CPUState *env;
@@ -961,6 +976,7 @@ int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap)
     on_vcpu(env, kvm_invoke_set_guest_debug, &data);
     return data.err;
 }
+#endif
 
 int kvm_insert_breakpoint(CPUState *current_env, target_ulong addr,
                           target_ulong len, int type)
@@ -1085,3 +1101,5 @@ void kvm_remove_all_breakpoints(CPUState *current_env)
 {
 }
 #endif /* !KVM_CAP_SET_GUEST_DEBUG */
+
+#include "qemu-kvm.c"

kvm-tpr-opt.c

@@ -0,0 +1,410 @@
+/*
+ * tpr optimization for qemu/kvm
+ *
+ * Copyright (C) 2007-2008 Qumranet Technologies
+ *
+ * Licensed under the terms of the GNU GPL version 2 or higher.
+ */
+
+#include "config.h"
+#include "config-host.h"
+
+#include <string.h>
+
+#include "hw/hw.h"
+#include "hw/isa.h"
+#include "sysemu.h"
+#include "qemu-kvm.h"
+#include "cpu.h"
+
+#include <stdio.h>
+
+static uint64_t map_addr(struct kvm_sregs *sregs, target_ulong virt, unsigned *perms)
+{
+    uint64_t mask = ((1ull << 48) - 1) & ~4095ull;
+    uint64_t p, pp = 7;
+
+    p = sregs->cr3;
+    if (sregs->cr4 & 0x20) {
+	p &= ~31ull;
+	p = ldq_phys(p + 8 * (virt >> 30));
+	if (!(p & 1))
+	    return -1ull;
+	p &= mask;
+	p = ldq_phys(p + 8 * ((virt >> 21) & 511));
+	if (!(p & 1))
+	    return -1ull;
+	pp &= p;
+	if (p & 128) {
+	    p += ((virt >> 12) & 511) << 12;
+	} else {
+	    p &= mask;
+	    p = ldq_phys(p + 8 * ((virt >> 12) & 511));
+	    if (!(p & 1))
+		return -1ull;
+	    pp &= p;
+	}
+    } else {
+	p &= mask;
+	p = ldl_phys(p + 4 * ((virt >> 22) & 1023));
+	if (!(p & 1))
+	    return -1ull;
+	pp &= p;
+	if (p & 128) {
+	    p += ((virt >> 12) & 1023) << 12;
+	} else {
+	    p &= mask;
+	    p = ldl_phys(p + 4 * ((virt >> 12) & 1023));
+	    pp &= p;
+	    if (!(p & 1))
+		return -1ull;
+	}
+    }
+    if (perms)
+	*perms = pp >> 1;
+    p &= mask;
+    return p + (virt & 4095);
+}
+
+static uint8_t read_byte_virt(CPUState *env, target_ulong virt)
+{
+    struct kvm_sregs sregs;
+
+    kvm_get_sregs(env, &sregs);
+    return ldub_phys(map_addr(&sregs, virt, NULL));
+}
+
+static void write_byte_virt(CPUState *env, target_ulong virt, uint8_t b)
+{
+    struct kvm_sregs sregs;
+
+    kvm_get_sregs(env, &sregs);
+    stb_phys(map_addr(&sregs, virt, NULL), b);
+}
+
+static __u64 kvm_rsp_read(CPUState *env)
+{
+    struct kvm_regs regs;
+
+    kvm_get_regs(env, &regs);
+    return regs.rsp;
+}
+
+struct vapic_bios {
+    char signature[8];
+    uint32_t virt_base;
+    uint32_t fixup_start;
+    uint32_t fixup_end;
+    uint32_t vapic;
+    uint32_t vapic_size;
+    uint32_t vcpu_shift;
+    uint32_t real_tpr;
+    struct vapic_patches {
+	uint32_t set_tpr;
+	uint32_t set_tpr_eax;
+	uint32_t get_tpr[8];
+        uint32_t get_tpr_stack;
+    } __attribute__((packed)) up, mp;
+} __attribute__((packed));
+
+static struct vapic_bios vapic_bios;
+
+static uint32_t real_tpr;
+static uint32_t bios_addr;
+static uint32_t vapic_phys;
+static uint32_t bios_enabled;
+static uint32_t vbios_desc_phys;
+static uint32_t vapic_bios_addr;
+
+static void update_vbios_real_tpr(void)
+{
+    cpu_physical_memory_rw(vbios_desc_phys, (void *)&vapic_bios, sizeof vapic_bios, 0);
+    vapic_bios.real_tpr = real_tpr;
+    vapic_bios.vcpu_shift = 7;
+    cpu_physical_memory_rw(vbios_desc_phys, (void *)&vapic_bios, sizeof vapic_bios, 1);
+}
+
+static unsigned modrm_reg(uint8_t modrm)
+{
+    return (modrm >> 3) & 7;
+}
+
+static int is_abs_modrm(uint8_t modrm)
+{
+    return (modrm & 0xc7) == 0x05;
+}
+
+static int instruction_is_ok(CPUState *env, uint64_t rip, int is_write)
+{
+    uint8_t b1, b2;
+    unsigned addr_offset;
+    uint32_t addr;
+    uint64_t p;
+
+    if ((rip & 0xf0000000) != 0x80000000 && (rip & 0xf0000000) != 0xe0000000)
+	return 0;
+    if (kvm_rsp_read(env) == 0)
+        return 0;
+    b1 = read_byte_virt(env, rip);
+    b2 = read_byte_virt(env, rip + 1);
+    switch (b1) {
+    case 0xc7: /* mov imm32, r/m32 (c7/0) */
+	if (modrm_reg(b2) != 0)
+	    return 0;
+	/* fall through */
+    case 0x89: /* mov r32 to r/m32 */
+    case 0x8b: /* mov r/m32 to r32 */
+	if (!is_abs_modrm(b2))
+	    return 0;
+	addr_offset = 2;
+	break;
+    case 0xa1: /* mov abs to eax */
+    case 0xa3: /* mov eax to abs */
+	addr_offset = 1;
+	break;
+    case 0xff: /* push r/m32 */
+        if (modrm_reg(b2) != 6 || !is_abs_modrm(b2))
+            return 0;
+        addr_offset = 2;
+    default:
+	return 0;
+    }
+    p = rip + addr_offset;
+    addr = read_byte_virt(env, p++);
+    addr |= read_byte_virt(env, p++) << 8;
+    addr |= read_byte_virt(env, p++) << 16;
+    addr |= read_byte_virt(env, p++) << 24;
+    if ((addr & 0xfff) != 0x80)
+	return 0;
+    real_tpr = addr;
+    update_vbios_real_tpr();
+    return 1;
+}
+
+static int bios_is_mapped(CPUState *env, uint64_t rip)
+{
+    uint32_t probe;
+    uint64_t phys;
+    struct kvm_sregs sregs;
+    unsigned perms;
+    uint32_t i;
+    uint32_t offset, fixup, start = vapic_bios_addr ? : 0xe0000;
+
+    if (bios_enabled)
+	return 1;
+
+    kvm_get_sregs(env, &sregs);
+
+    probe = (rip & 0xf0000000) + start;
+    phys = map_addr(&sregs, probe, &perms);
+    if (phys != start)
+	return 0;
+    bios_addr = probe;
+    for (i = 0; i < 64; ++i) {
+	cpu_physical_memory_read(phys, (void *)&vapic_bios, sizeof(vapic_bios));
+	if (memcmp(vapic_bios.signature, "kvm aPiC", 8) == 0)
+	    break;
+	phys += 1024;
+	bios_addr += 1024;
+    }
+    if (i == 64)
+	return 0;
+    if (bios_addr == vapic_bios.virt_base)
+	return 1;
+    vbios_desc_phys = phys;
+    for (i = vapic_bios.fixup_start; i < vapic_bios.fixup_end; i += 4) {
+	offset = ldl_phys(phys + i - vapic_bios.virt_base);
+	fixup = phys + offset;
+	stl_phys(fixup, ldl_phys(fixup) + bios_addr - vapic_bios.virt_base);
+    }
+    vapic_phys = vapic_bios.vapic - vapic_bios.virt_base + phys;
+    return 1;
+}
+
+static int get_pcr_cpu(CPUState *env)
+{
+    uint8_t b;
+
+    cpu_synchronize_state(env);
+
+    if (cpu_memory_rw_debug(env, env->segs[R_FS].base + 0x51, &b, 1, 0) < 0)
+	    return -1;
+
+    return (int)b;
+}
+
+int kvm_tpr_enable_vapic(CPUState *env)
+{
+    static uint8_t one = 1;
+    int pcr_cpu = get_pcr_cpu(env);
+
+    if (pcr_cpu < 0)
+	    return 0;
+
+    kvm_enable_vapic(env, vapic_phys + (pcr_cpu << 7));
+    cpu_physical_memory_rw(vapic_phys + (pcr_cpu << 7) + 4, &one, 1, 1);
+    env->update_vapic = 0;
+    bios_enabled = 1;
+    return 1;
+}
+
+static int enable_vapic(CPUState *env)
+{
+    bios_enabled = 1;
+    env->update_vapic = 1;
+    return 1;
+}
+
+static void patch_call(CPUState *env, uint64_t rip, uint32_t target)
+{
+    uint32_t offset;
+
+    offset = target - vapic_bios.virt_base + bios_addr - rip - 5;
+    write_byte_virt(env, rip, 0xe8); /* call near */
+    write_byte_virt(env, rip + 1, offset);
+    write_byte_virt(env, rip + 2, offset >> 8);
+    write_byte_virt(env, rip + 3, offset >> 16);
+    write_byte_virt(env, rip + 4, offset >> 24);
+}
+
+static void patch_instruction(CPUState *env, uint64_t rip)
+{
+    uint8_t b1, b2;
+    struct vapic_patches *vp;
+
+    vp = smp_cpus == 1 ? &vapic_bios.up : &vapic_bios.mp;
+    b1 = read_byte_virt(env, rip);
+    b2 = read_byte_virt(env, rip + 1);
+    switch (b1) {
+    case 0x89: /* mov r32 to r/m32 */
+	write_byte_virt(env, rip, 0x50 + modrm_reg(b2));  /* push reg */
+	patch_call(env, rip + 1, vp->set_tpr);
+	break;
+    case 0x8b: /* mov r/m32 to r32 */
+	write_byte_virt(env, rip, 0x90);
+	patch_call(env, rip + 1, vp->get_tpr[modrm_reg(b2)]);
+	break;
+    case 0xa1: /* mov abs to eax */
+	patch_call(env, rip, vp->get_tpr[0]);
+	break;
+    case 0xa3: /* mov eax to abs */
+	patch_call(env, rip, vp->set_tpr_eax);
+	break;
+    case 0xc7: /* mov imm32, r/m32 (c7/0) */
+	write_byte_virt(env, rip, 0x68);  /* push imm32 */
+	write_byte_virt(env, rip + 1, read_byte_virt(env, rip+6));
+	write_byte_virt(env, rip + 2, read_byte_virt(env, rip+7));
+	write_byte_virt(env, rip + 3, read_byte_virt(env, rip+8));
+	write_byte_virt(env, rip + 4, read_byte_virt(env, rip+9));
+	patch_call(env, rip + 5, vp->set_tpr);
+	break;
+    case 0xff: /* push r/m32 */
+        printf("patching push\n");
+        write_byte_virt(env, rip, 0x50); /* push eax */
+        patch_call(env, rip + 1, vp->get_tpr_stack);
+        break;
+    default:
+	printf("funny insn %02x %02x\n", b1, b2);
+    }
+}
+
+void kvm_tpr_access_report(CPUState *env, uint64_t rip, int is_write)
+{
+    if (!instruction_is_ok(env, rip, is_write))
+	return;
+    if (!bios_is_mapped(env, rip))
+	return;
+    if (!kvm_tpr_enable_vapic(env))
+	return;
+    patch_instruction(env, rip);
+}
+
+void kvm_tpr_vcpu_start(CPUState *env)
+{
+    kvm_enable_tpr_access_reporting(env);
+    if (bios_enabled)
+	kvm_tpr_enable_vapic(env);
+}
+
+static void tpr_save(QEMUFile *f, void *s)
+{
+    int i;
+
+    for (i = 0; i < (sizeof vapic_bios) / 4; ++i)
+	qemu_put_be32s(f, &((uint32_t *)&vapic_bios)[i]);
+    qemu_put_be32s(f, &bios_enabled);
+    qemu_put_be32s(f, &real_tpr);
+    qemu_put_be32s(f, &bios_addr);
+    qemu_put_be32s(f, &vapic_phys);
+    qemu_put_be32s(f, &vbios_desc_phys);
+}
+
+static int tpr_load(QEMUFile *f, void *s, int version_id)
+{
+    int i;
+
+    if (version_id != 1)
+	return -EINVAL;
+
+    for (i = 0; i < (sizeof vapic_bios) / 4; ++i)
+	qemu_get_be32s(f, &((uint32_t *)&vapic_bios)[i]);
+    qemu_get_be32s(f, &bios_enabled);
+    qemu_get_be32s(f, &real_tpr);
+    qemu_get_be32s(f, &bios_addr);
+    qemu_get_be32s(f, &vapic_phys);
+    qemu_get_be32s(f, &vbios_desc_phys);
+  
+    if (bios_enabled) {
+        CPUState *env = first_cpu->next_cpu;
+
+        for (env = first_cpu; env != NULL; env = env->next_cpu)
+            enable_vapic(env);
+    }
+
+    return 0;
+}
+
+static void vtpr_ioport_write16(void *opaque, uint32_t addr, uint32_t val)
+{
+    struct kvm_regs regs;
+    CPUState *env = cpu_single_env;
+    struct kvm_sregs sregs;
+    kvm_get_regs(env, &regs);
+    kvm_get_sregs(env, &sregs);
+    vapic_bios_addr = ((sregs.cs.base + regs.rip) & ~(512 - 1)) + val;
+    bios_enabled = 0;
+}
+
+static void vtpr_ioport_write(void *opaque, uint32_t addr, uint32_t val)
+{
+    CPUState *env = cpu_single_env;
+    struct kvm_regs regs;
+    struct kvm_sregs sregs;
+    uint32_t rip;
+
+    kvm_get_regs(env, &regs);
+    rip = regs.rip - 2;
+    write_byte_virt(env, rip, 0x66);
+    write_byte_virt(env, rip + 1, 0x90);
+    if (bios_enabled)
+	return;
+    if (!bios_is_mapped(env, rip))
+	printf("bios not mapped?\n");
+    kvm_get_sregs(env, &sregs);
+    for (addr = 0xfffff000u; addr >= 0x80000000u; addr -= 4096)
+	if (map_addr(&sregs, addr, NULL) == 0xfee00000u) {
+	    real_tpr = addr + 0x80;
+	    break;
+	}
+    bios_enabled = 1;
+    update_vbios_real_tpr();
+    kvm_tpr_enable_vapic(env);
+}
+
+void kvm_tpr_opt_setup(void)
+{
+    register_savevm("kvm-tpr-opt", 0, 1, tpr_save, tpr_load, NULL);
+    register_ioport_write(0x7e, 1, 1, vtpr_ioport_write, NULL);
+    register_ioport_write(0x7e, 2, 2, vtpr_ioport_write16, NULL);
+}
+

kvm.h

@@ -16,6 +16,9 @@
 
 #include "config.h"
 #include "qemu-queue.h"
+#include "qemu-kvm.h"
+
+#ifdef KVM_UPSTREAM
 
 #ifdef CONFIG_KVM
 extern int kvm_allowed;
@@ -47,7 +50,12 @@ int kvm_log_stop(target_phys_addr_t phys_addr, ram_addr_t size);
 int kvm_set_migration_log(int enable);
 
 int kvm_has_sync_mmu(void);
+#endif /* KVM_UPSTREAM */
 int kvm_has_vcpu_events(void);
+int kvm_put_vcpu_events(CPUState *env);
+int kvm_get_vcpu_events(CPUState *env);
+
+#ifdef KVM_UPSTREAM
 
 void kvm_setup_guest_memory(void *start, size_t size);
 
@@ -91,7 +99,9 @@ int kvm_arch_init(KVMState *s, int smp_cpus);
 
 int kvm_arch_init_vcpu(CPUState *env);
 
+#endif
 void kvm_arch_reset_vcpu(CPUState *env);
+#ifdef KVM_UPSTREAM
 
 struct kvm_guest_debug;
 struct kvm_debug_exit_arch;
@@ -140,3 +150,5 @@ static inline void cpu_synchronize_state(CPUState *env)
 }
 
 #endif
+
+#endif

kvm/.gitignore

@@ -0,0 +1,66 @@
+*.o
+*.d
+*~
+*.flat
+*.a
+config.mak
+.*.cmd
+qemu/config-host.h
+qemu/config-host.mak
+user/test/bootstrap
+user/kvmctl
+qemu/dyngen
+qemu/x86_64-softmmu
+qemu/qemu-img
+qemu/qemu-nbd
+*.ko
+*.mod.c
+bios/*.bin
+bios/*.sym
+bios/*.txt
+bios/acpi-dsdt.aml
+vgabios/*.bin
+vgabios/*.txt
+extboot/extboot.bin
+extboot/extboot.img
+extboot/signrom
+kernel/config.kbuild
+kernel/modules.order
+kernel/Module.symvers
+kernel/Modules.symvers
+kernel/Module.markers
+kernel/.tmp_versions
+kernel/include-compat/asm
+kernel/include-compat/asm-x86/asm-x86
+kernel/include
+kernel/x86/modules.order
+kernel/x86/i825[49].[ch]
+kernel/x86/kvm_main.c
+kernel/x86/kvm_svm.h
+kernel/x86/vmx.[ch]
+kernel/x86/svm.[ch]
+kernel/x86/mmu.[ch]
+kernel/x86/paging_tmpl.h
+kernel/x86/x86_emulate.[ch]
+kernel/x86/ioapic.[ch]
+kernel/x86/iodev.h
+kernel/x86/irq.[ch]
+kernel/x86/kvm_trace.c
+kernel/x86/lapic.[ch]
+kernel/x86/tss.h
+kernel/x86/x86.[ch]
+kernel/x86/coalesced_mmio.[ch]
+kernel/x86/kvm_cache_regs.h
+kernel/x86/vtd.c
+kernel/x86/irq_comm.c
+kernel/x86/timer.c
+kernel/x86/kvm_timer.h
+kernel/x86/iommu.c
+qemu/pc-bios/extboot.bin
+qemu/qemu-doc.html
+qemu/*.[18]
+qemu/*.pod
+qemu/qemu-tech.html
+qemu/qemu-options.texi
+user/kvmtrace
+user/test/x86/bootstrap

kvm/Makefile

@@ -0,0 +1,125 @@
+
+include config.mak
+
+DESTDIR=
+
+rpmrelease = devel
+
+sane-arch = $(subst i386,x86,$(subst x86_64,x86,$(subst s390x,s390,$(ARCH))))
+
+.PHONY: kernel user libkvm qemu bios vgabios extboot clean libfdt cscope
+
+all: libkvm qemu
+ifneq '$(filter $(ARCH), x86_64 i386 ia64)' ''
+    all: $(if $(WANT_MODULE), kernel) user
+endif
+
+kcmd = $(if $(WANT_MODULE),,@\#)
+
+qemu kernel user libkvm:
+	$(MAKE) -C $@
+
+qemu: libkvm
+ifneq '$(filter $(ARCH), i386 x86_64)' ''
+    qemu: extboot
+endif
+ifneq '$(filter $(ARCH), powerpc ia64)' ''
+    qemu: libfdt
+endif
+user: libkvm
+
+# sync if kernel/Makefile exists and if using --with-patched-kernel
+user libkvm qemu: header-sync-$(if $(wildcard kernel/Makefile),$(if $(WANT_MODULE),n,y),n)
+
+header-sync-n:
+
+header-sync-y:
+	make -C kernel \
+	LINUX=$(if $(KERNELSOURCEDIR),$(KERNELSOURCEDIR),$(KERNELDIR)) \
+	header-sync
+	rm -f kernel/include/asm
+	ln -sf asm-$(sane-arch) kernel/include/asm
+
+bios:
+	$(MAKE) -C $@
+	cp bios/BIOS-bochs-latest qemu/pc-bios/bios.bin
+
+vgabios:
+	$(MAKE) -C $@
+	cp vgabios/VGABIOS-lgpl-latest.bin qemu/pc-bios/vgabios.bin
+	cp vgabios/VGABIOS-lgpl-latest.cirrus.bin qemu/pc-bios/vgabios-cirrus.bin
+
+extboot:
+	$(MAKE) -C $@
+	if ! [ -f qemu/pc-bios/extboot.bin ] \
+           || ! cmp -s qemu/pc-bios/extboot.bin extboot/extboot.bin; then \
+		cp extboot/extboot.bin qemu/pc-bios/extboot.bin; \
+	fi
+libfdt:
+	$(MAKE) -C $@
+
+LINUX=linux-2.6
+
+sync:
+	make -C kernel sync LINUX=$(shell readlink -f "$(LINUX)")
+
+bindir = /usr/bin
+bin = $(bindir)/kvm
+initdir = /etc/init.d
+confdir = /etc/kvm
+utilsdir = /etc/kvm/utils
+
+install-rpm:
+	mkdir -p $(DESTDIR)/$(bindir)
+	mkdir -p $(DESTDIR)/$(confdir)
+	mkdir -p $(DESTDIR)/$(initdir)
+	mkdir -p $(DESTDIR)/$(utilsdir)
+	mkdir -p $(DESTDIR)/etc/udev/rules.d
+	make -C qemu DESTDIR=$(DESTDIR)/ install
+	ln -sf /usr/kvm/bin/qemu-system-x86_64 $(DESTDIR)/$(bin)
+	install -m 755 kvm_stat $(DESTDIR)/$(bindir)/kvm_stat
+	cp scripts/kvm $(DESTDIR)/$(initdir)/kvm
+	cp scripts/qemu-ifup $(DESTDIR)/$(confdir)/qemu-ifup
+	install -t $(DESTDIR)/etc/udev/rules.d scripts/*kvm*.rules
+
+install:
+	$(kcmd)make -C kernel DESTDIR="$(DESTDIR)" install
+	make -C libkvm DESTDIR="$(DESTDIR)" install
+	make -C qemu DESTDIR="$(DESTDIR)" install
+
+tmpspec = .tmp.kvm.spec
+RPMTOPDIR = $$(pwd)/rpmtop
+
+rpm:	srpm
+	rm -rf $(RPMTOPDIR)/BUILD
+	mkdir -p $(RPMTOPDIR)/{BUILD,RPMS/$$(uname -i)}
+	rpmbuild --rebuild \
+		 --define="_topdir $(RPMTOPDIR)" \
+		$(RPMTOPDIR)/SRPMS/kvm-0.0-$(rpmrelease).src.rpm
+
+srpm:
+	mkdir -p $(RPMTOPDIR)/{SOURCES,SRPMS}
+	sed 's/^Release:.*/Release: $(rpmrelease)/' kvm.spec > $(tmpspec)
+	tar czf $(RPMTOPDIR)/SOURCES/kvm.tar.gz qemu
+	tar czf $(RPMTOPDIR)/SOURCES/user.tar.gz user
+	tar czf $(RPMTOPDIR)/SOURCES/libkvm.tar.gz libkvm
+	tar czf $(RPMTOPDIR)/SOURCES/kernel.tar.gz kernel
+	tar czf $(RPMTOPDIR)/SOURCES/scripts.tar.gz scripts
+	tar czf $(RPMTOPDIR)/SOURCES/extboot.tar.gz extboot
+	cp Makefile configure kvm_stat $(RPMTOPDIR)/SOURCES
+	rpmbuild  --define="_topdir $(RPMTOPDIR)" -bs $(tmpspec)
+	$(RM) $(tmpspec)
+
+clean:
+	for i in $(if $(WANT_MODULE), kernel) user libkvm qemu libfdt; do \
+		make -C $$i clean; \
+	done
+	rm -f ./cscope.*
+
+distclean: clean
+	rm -f config.mak user/config.mak
+
+cscope:
+	rm -f ./cscope.*
+	find . -wholename './kernel' -prune -o -name "*.[ch]" -print > ./cscope.files
+	cscope -b

kvm/configure

@@ -0,0 +1,159 @@
+#!/bin/bash
+
+prefix=/usr/local
+kerneldir=/lib/modules/$(uname -r)/build
+cc=gcc
+ld=ld
+objcopy=objcopy
+ar=ar
+want_module=1
+qemu_cflags=
+qemu_ldflags=
+kvm_trace=
+qemu_opts=()
+cross_prefix=
+arch=`uname -m`
+target_exec=
+# don't use uname if kerneldir is set
+no_uname=
+if [ -z "TMPDIR" ] ; then
+    TMPDIR=.
+fi
+
+if [ ! -e kernel/Makefile ]; then
+    want_module=
+fi
+
+usage() {
+    cat <<-EOF
+	Usage: $0 [options]
+
+	Options include:
+	    --arch=ARCH            architecture to compile for ($arch)
+	    --cross-prefix=PREFIX  prefix for cross compile
+	    --prefix=PREFIX        where to install things ($prefix)
+	    --with-patched-kernel  don't use external module
+	    --with-kvm-trace       Enable kvm_trace
+	    --kerneldir=DIR        kernel build directory ($kerneldir)
+	    --qemu-cflags=CFLAGS   CFLAGS to add to qemu configuration
+	    --qemu-ldflags=LDFLAGS LDFLAGS to add to qemu configuration
+
+	Any additional option is given to qemu's configure verbatim; including:
+
+EOF
+    cd qemu
+    ./configure --help | egrep "enable-|disable-" \
+	| grep -v user | grep -v system | grep -v kqemu | grep -v kvm \
+	| sed -e "s/^  /    /g" \
+	| sed -e"s/  enable/enable/g" | sed -e "s/  disable/disable/g"
+    exit 1
+}
+
+while [[ "$1" = -* ]]; do
+    opt="$1"; shift
+    arg=
+    hasarg=
+    if [[ "$opt" = *=* ]]; then
+	arg="${opt#*=}"
+	opt="${opt%%=*}"
+	hasarg=1
+    fi
+    case "$opt" in
+	--prefix)
+	    prefix="$arg"
+	    ;;
+	--kerneldir)
+	    kerneldir="$arg"
+            no_uname=1
+	    ;;
+	--with-patched-kernel)
+	    want_module=
+	    ;;
+	--with-kvm-trace)
+	    kvm_trace=y
+	    ;;
+	--qemu-cflags)
+	    qemu_cflags="$arg"
+	    ;;
+	--qemu-ldflags)
+	    qemu_ldflags="$arg"
+	    ;;
+	--arch)
+	    arch="$arg"
+	    ;;
+	--cross-prefix)
+	    cross_prefix="$arg"
+            ;;
+	--help)
+	    usage
+	    ;;
+	*)
+	    qemu_opts=("${qemu_opts[@]}" "$opt${hasarg:+=$arg}")
+	    ;;
+    esac
+done
+
+
+#set kenel directory
+libkvm_kerneldir=$(readlink -f kernel)
+
+case $arch in
+    i?86*|x86_64*)
+        arch=${arch/#i?86/i386}
+        target_exec="x86_64-softmmu"
+        qemu_cflags="$qemu_cflags -DCONFIG_X86"
+        ;;
+    ia64*)
+        target_exec="ia64-softmmu"
+        ;;
+    powerpc*)
+        target_exec="ppcemb-softmmu"
+        qemu_cflags="$qemu_cflags -I $PWD/libfdt"
+        qemu_ldflags="$qemu_ldflags -L $PWD/libfdt"
+        ;;
+esac
+
+processor=${arch#*-}
+arch=${arch%%-*}
+
+#configure kernel module
+[ -e kernel/Makefile ] && (cd kernel;
+    ./configure \
+	--kerneldir="$kerneldir" \
+	--arch="$arch" \
+	$([ -z ${want_module} ] && echo "--with-patched-kernel") \
+	${cross_prefix:+"--cross-prefix=$cross_prefix"} \
+	${kvm_trace:+"--with-kvm-trace"}
+)
+
+#configure user dir
+(cd user; ./configure --prefix="$prefix" --kerneldir="$libkvm_kerneldir" \
+          --arch="$arch" --processor="$processor" \
+          ${cross_prefix:+"--cross-prefix=$cross_prefix"})
+
+#configure qemu
+(cd qemu; ./configure --target-list=$target_exec \
+    --disable-kqemu \
+    --extra-cflags="-I $PWD/../libkvm $qemu_cflags" \
+    --extra-ldflags="-L $PWD/../libkvm $qemu_ldflags" \
+    --kerneldir="$libkvm_kerneldir" \
+    --prefix="$prefix" \
+    ${cross_prefix:+"--cross-prefix=$cross_prefix"} \
+    ${cross_prefix:+"--cpu=$arch"} "${qemu_opts[@]}"
+) || usage
+
+
+cat <<EOF > config.mak
+ARCH=$arch
+PROCESSOR=$processor
+PREFIX=$prefix
+KERNELDIR=$kerneldir
+KERNELSOURCEDIR=$kernelsourcedir
+LIBKVM_KERNELDIR=$libkvm_kerneldir
+WANT_MODULE=$want_module
+CROSS_COMPILE=$cross_prefix
+CC=$cross_prefix$cc
+LD=$cross_prefix$ld
+OBJCOPY=$cross_prefix$objcopy
+AR=$cross_prefix$ar
+EOF

kvm/extboot/Makefile

@@ -0,0 +1,41 @@
+OBJCOPY=objcopy
+
+# from kernel sources - scripts/Kbuild.include
+# try-run
+# Usage: option = $(call try-run, $(CC)...-o "$$TMP",option-ok,otherwise)
+# Exit code chooses option. "$$TMP" is can be used as temporary file and
+# is automatically cleaned up.
+try-run = $(shell set -e;		\
+	TMP="$(TMPOUT).$$$$.tmp";	\
+	if ($(1)) >/dev/null 2>&1;	\
+	then echo "$(2)";		\
+	else echo "$(3)";		\
+	fi;				\
+	rm -f "$$TMP")
+
+# cc-option-yn
+# Usage: flag := $(call cc-option-yn,-march=winchip-c6)
+cc-option-yn = $(call try-run,\
+	$(CC) $(KBUILD_CFLAGS) $(1) -S -xc /dev/null -o "$$TMP",y,n)
+
+CFLAGS = -Wall -Wstrict-prototypes -Werror -fomit-frame-pointer -fno-builtin
+ifeq ($(call cc-option-yn,-fno-stack-protector),y)
+CFLAGS += -fno-stack-protector
+endif
+
+all: extboot.bin
+
+%.o: %.S
+	$(CC) $(CFLAGS) -o $@ -c $<
+
+extboot.img: extboot.o
+	$(LD) --oformat binary -Ttext 0 -o $@ $<
+
+extboot.bin: extboot.img signrom
+	./signrom extboot.img extboot.bin
+
+signrom: signrom.c
+	$(CC) -o $@ -g -Wall $^
+
+clean:
+	$(RM) *.o *.img *.bin signrom *~

kvm/extboot/STATUS

@@ -0,0 +1,6 @@
+Working
+-------
+
+Ubuntu Server 7.04 (i386)
+Windows 2000 Professional (i386)
+Windows XP SP2 (i386)

kvm/extboot/signrom.c

@@ -0,0 +1,79 @@
+/*
+ * Extended Boot Option ROM
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Copyright IBM Corporation, 2007
+ *   Authors: Anthony Liguori <aliguori@us.ibm.com>
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+
+int main(int argc, char **argv)
+{
+	FILE *fin, *fout;
+	char buffer[512], oldbuffer[512];
+	int i, size, lag = 0;
+	uint8_t sum = 0;
+
+	if (argc != 3) {
+		printf("Usage: %s ROM OUTPUT\n", argv[0]);
+		return 1;
+	}
+
+	fin = fopen(argv[1], "rb");
+	fout = fopen(argv[2], "wb");
+
+	if (fin == NULL || fout == NULL) {
+		fprintf(stderr, "Could not open input/output files\n");
+		return 1;
+	}
+
+	do {
+		size = fread(buffer, 512, 1, fin);
+		if (size == 1) {
+			for (i = 0; i < 512; i++)
+				sum += buffer[i];
+
+			if (lag) {
+				if (fwrite(oldbuffer, 512, 1, fout) != 1) {
+					fprintf(stderr, "Write failed\n");
+					return 1;
+				}
+			}
+			lag = 1;
+			memcpy(oldbuffer, buffer, 512);
+		}
+	} while (size == 1);
+
+	if (size != 0) {
+		fprintf(stderr, "Failed to read from input file\n");
+		return 1;
+	}
+
+	oldbuffer[511] = -sum;
+
+	if (fwrite(oldbuffer, 512, 1, fout) != 1) {
+		fprintf(stderr, "Failed to write to output file\n");
+		return 1;
+	}
+
+	fclose(fin);
+	fclose(fout);
+
+	return 0;
+}

kvm/include/ia64/asm/kvm.h

@@ -0,0 +1,264 @@
+#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 <linux/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_NR_IRQCHIPS          3
+
+#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

kvm/include/ia64/asm/kvm_para.h

@@ -0,0 +1,31 @@
+#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.
+ *
+ */
+
+#ifdef __KERNEL__
+
+static inline unsigned int kvm_arch_para_features(void)
+{
+	return 0;
+}
+
+#endif
+
+#endif

kvm/include/linux/compiler.h

@@ -0,0 +1,2 @@
+/* dummy file */
+

kvm/include/linux/config.h

@@ -0,0 +1,43 @@
+#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
+
+
+#define __user

kvm/include/linux/kvm.h

@@ -0,0 +1,740 @@
+#ifndef __LINUX_KVM_H
+#define __LINUX_KVM_H
+
+/*
+ * Userspace interface for /dev/kvm - kernel based virtual machine
+ *
+ * Note: you must update KVM_API_VERSION if you change this interface.
+ */
+
+#include <linux/types.h>
+#include <linux/compiler.h>
+#include <linux/ioctl.h>
+#include <asm/kvm.h>
+
+#define KVM_API_VERSION 12
+
+/* *** Deprecated interfaces *** */
+
+#define KVM_TRC_SHIFT           16
+
+#define KVM_TRC_ENTRYEXIT       (1 << KVM_TRC_SHIFT)
+#define KVM_TRC_HANDLER         (1 << (KVM_TRC_SHIFT + 1))
+
+#define KVM_TRC_VMENTRY         (KVM_TRC_ENTRYEXIT + 0x01)
+#define KVM_TRC_VMEXIT          (KVM_TRC_ENTRYEXIT + 0x02)
+#define KVM_TRC_PAGE_FAULT      (KVM_TRC_HANDLER + 0x01)
+
+#define KVM_TRC_HEAD_SIZE       12
+#define KVM_TRC_CYCLE_SIZE      8
+#define KVM_TRC_EXTRA_MAX       7
+
+#define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
+#define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
+#define KVM_TRC_PEND_INTR        (KVM_TRC_HANDLER + 0x04)
+#define KVM_TRC_IO_READ          (KVM_TRC_HANDLER + 0x05)
+#define KVM_TRC_IO_WRITE         (KVM_TRC_HANDLER + 0x06)
+#define KVM_TRC_CR_READ          (KVM_TRC_HANDLER + 0x07)
+#define KVM_TRC_CR_WRITE         (KVM_TRC_HANDLER + 0x08)
+#define KVM_TRC_DR_READ          (KVM_TRC_HANDLER + 0x09)
+#define KVM_TRC_DR_WRITE         (KVM_TRC_HANDLER + 0x0A)
+#define KVM_TRC_MSR_READ         (KVM_TRC_HANDLER + 0x0B)
+#define KVM_TRC_MSR_WRITE        (KVM_TRC_HANDLER + 0x0C)
+#define KVM_TRC_CPUID            (KVM_TRC_HANDLER + 0x0D)
+#define KVM_TRC_INTR             (KVM_TRC_HANDLER + 0x0E)
+#define KVM_TRC_NMI              (KVM_TRC_HANDLER + 0x0F)
+#define KVM_TRC_VMMCALL          (KVM_TRC_HANDLER + 0x10)
+#define KVM_TRC_HLT              (KVM_TRC_HANDLER + 0x11)
+#define KVM_TRC_CLTS             (KVM_TRC_HANDLER + 0x12)
+#define KVM_TRC_LMSW             (KVM_TRC_HANDLER + 0x13)
+#define KVM_TRC_APIC_ACCESS      (KVM_TRC_HANDLER + 0x14)
+#define KVM_TRC_TDP_FAULT        (KVM_TRC_HANDLER + 0x15)
+#define KVM_TRC_GTLB_WRITE       (KVM_TRC_HANDLER + 0x16)
+#define KVM_TRC_STLB_WRITE       (KVM_TRC_HANDLER + 0x17)
+#define KVM_TRC_STLB_INVAL       (KVM_TRC_HANDLER + 0x18)
+#define KVM_TRC_PPC_INSTR        (KVM_TRC_HANDLER + 0x19)
+
+struct kvm_user_trace_setup {
+	__u32 buf_size;
+	__u32 buf_nr;
+};
+
+#define __KVM_DEPRECATED_MAIN_W_0x06 \
+	_IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
+#define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
+#define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
+
+#define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
+
+struct kvm_breakpoint {
+	__u32 enabled;
+	__u32 padding;
+	__u64 address;
+};
+
+struct kvm_debug_guest {
+	__u32 enabled;
+	__u32 pad;
+	struct kvm_breakpoint breakpoints[4];
+	__u32 singlestep;
+};
+
+#define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
+
+/* *** End of deprecated interfaces *** */
+
+
+/* for KVM_CREATE_MEMORY_REGION */
+struct kvm_memory_region {
+	__u32 slot;
+	__u32 flags;
+	__u64 guest_phys_addr;
+	__u64 memory_size; /* bytes */
+};
+
+/* for KVM_SET_USER_MEMORY_REGION */
+struct kvm_userspace_memory_region {
+	__u32 slot;
+	__u32 flags;
+	__u64 guest_phys_addr;
+	__u64 memory_size; /* bytes */
+	__u64 userspace_addr; /* start of the userspace allocated memory */
+};
+
+/* for kvm_memory_region::flags */
+#define KVM_MEM_LOG_DIRTY_PAGES  1UL
+
+
+/* for KVM_IRQ_LINE */
+struct kvm_irq_level {
+	/*
+	 * ACPI gsi notion of irq.
+	 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
+	 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
+	 */
+	union {
+		__u32 irq;
+		__s32 status;
+	};
+	__u32 level;
+};
+
+
+struct kvm_irqchip {
+	__u32 chip_id;
+	__u32 pad;
+        union {
+		char dummy[512];  /* reserving space */
+#ifdef __KVM_HAVE_PIT
+		struct kvm_pic_state pic;
+#endif
+#ifdef __KVM_HAVE_IOAPIC
+		struct kvm_ioapic_state ioapic;
+#endif
+	} chip;
+};
+
+/* for KVM_CREATE_PIT2 */
+struct kvm_pit_config {
+	__u32 flags;
+	__u32 pad[15];
+};
+
+#define KVM_PIT_SPEAKER_DUMMY     1
+
+#define KVM_EXIT_UNKNOWN          0
+#define KVM_EXIT_EXCEPTION        1
+#define KVM_EXIT_IO               2
+#define KVM_EXIT_HYPERCALL        3
+#define KVM_EXIT_DEBUG            4
+#define KVM_EXIT_HLT              5
+#define KVM_EXIT_MMIO             6
+#define KVM_EXIT_IRQ_WINDOW_OPEN  7
+#define KVM_EXIT_SHUTDOWN         8
+#define KVM_EXIT_FAIL_ENTRY       9
+#define KVM_EXIT_INTR             10
+#define KVM_EXIT_SET_TPR          11
+#define KVM_EXIT_TPR_ACCESS       12
+#define KVM_EXIT_S390_SIEIC       13
+#define KVM_EXIT_S390_RESET       14
+#define KVM_EXIT_DCR              15
+#define KVM_EXIT_NMI              16
+#define KVM_EXIT_INTERNAL_ERROR   17
+
+/* For KVM_EXIT_INTERNAL_ERROR */
+#define KVM_INTERNAL_ERROR_EMULATION 1
+#define KVM_INTERNAL_ERROR_SIMUL_EX 2
+
+/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
+struct kvm_run {
+	/* in */
+	__u8 request_interrupt_window;
+	__u8 padding1[7];
+
+	/* out */
+	__u32 exit_reason;
+	__u8 ready_for_interrupt_injection;
+	__u8 if_flag;
+	__u8 padding2[2];
+
+	/* in (pre_kvm_run), out (post_kvm_run) */
+	__u64 cr8;
+	__u64 apic_base;
+
+#ifdef __KVM_S390
+	/* the processor status word for s390 */
+	__u64 psw_mask; /* psw upper half */
+	__u64 psw_addr; /* psw lower half */
+#endif
+	union {
+		/* KVM_EXIT_UNKNOWN */
+		struct {
+			__u64 hardware_exit_reason;
+		} hw;
+		/* KVM_EXIT_FAIL_ENTRY */
+		struct {
+			__u64 hardware_entry_failure_reason;
+		} fail_entry;
+		/* KVM_EXIT_EXCEPTION */
+		struct {
+			__u32 exception;
+			__u32 error_code;
+		} ex;
+		/* KVM_EXIT_IO */
+		struct {
+#define KVM_EXIT_IO_IN  0
+#define KVM_EXIT_IO_OUT 1
+			__u8 direction;
+			__u8 size; /* bytes */
+			__u16 port;
+			__u32 count;
+			__u64 data_offset; /* relative to kvm_run start */
+		} io;
+		struct {
+			struct kvm_debug_exit_arch arch;
+		} debug;
+		/* KVM_EXIT_MMIO */
+		struct {
+			__u64 phys_addr;
+			__u8  data[8];
+			__u32 len;
+			__u8  is_write;
+		} mmio;
+		/* KVM_EXIT_HYPERCALL */
+		struct {
+			__u64 nr;
+			__u64 args[6];
+			__u64 ret;
+			__u32 longmode;
+			__u32 pad;
+		} hypercall;
+		/* KVM_EXIT_TPR_ACCESS */
+		struct {
+			__u64 rip;
+			__u32 is_write;
+			__u32 pad;
+		} tpr_access;
+		/* KVM_EXIT_S390_SIEIC */
+		struct {
+			__u8 icptcode;
+			__u16 ipa;
+			__u32 ipb;
+		} s390_sieic;
+		/* KVM_EXIT_S390_RESET */
+#define KVM_S390_RESET_POR       1
+#define KVM_S390_RESET_CLEAR     2
+#define KVM_S390_RESET_SUBSYSTEM 4
+#define KVM_S390_RESET_CPU_INIT  8
+#define KVM_S390_RESET_IPL       16
+		__u64 s390_reset_flags;
+		/* KVM_EXIT_DCR */
+		struct {
+			__u32 dcrn;
+			__u32 data;
+			__u8  is_write;
+		} dcr;
+		struct {
+			__u32 suberror;
+			/* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
+			__u32 ndata;
+			__u64 data[16];
+		} internal;
+		/* Fix the size of the union. */
+		char padding[256];
+	};
+};
+
+/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
+
+struct kvm_coalesced_mmio_zone {
+	__u64 addr;
+	__u32 size;
+	__u32 pad;
+};
+
+struct kvm_coalesced_mmio {
+	__u64 phys_addr;
+	__u32 len;
+	__u32 pad;
+	__u8  data[8];
+};
+
+struct kvm_coalesced_mmio_ring {
+	__u32 first, last;
+	struct kvm_coalesced_mmio coalesced_mmio[0];
+};
+
+#define KVM_COALESCED_MMIO_MAX \
+	((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
+	 sizeof(struct kvm_coalesced_mmio))
+
+/* for KVM_TRANSLATE */
+struct kvm_translation {
+	/* in */
+	__u64 linear_address;
+
+	/* out */
+	__u64 physical_address;
+	__u8  valid;
+	__u8  writeable;
+	__u8  usermode;
+	__u8  pad[5];
+};
+
+/* for KVM_INTERRUPT */
+struct kvm_interrupt {
+	/* in */
+	__u32 irq;
+};
+
+/* for KVM_GET_DIRTY_LOG */
+struct kvm_dirty_log {
+	__u32 slot;
+	__u32 padding1;
+	union {
+		void *dirty_bitmap; /* one bit per page */
+		__u64 padding2;
+	};
+};
+
+/* for KVM_SET_SIGNAL_MASK */
+struct kvm_signal_mask {
+	__u32 len;
+	__u8  sigset[0];
+};
+
+/* for KVM_TPR_ACCESS_REPORTING */
+struct kvm_tpr_access_ctl {
+	__u32 enabled;
+	__u32 flags;
+	__u32 reserved[8];
+};
+
+/* for KVM_SET_VAPIC_ADDR */
+struct kvm_vapic_addr {
+	__u64 vapic_addr;
+};
+
+/* for KVM_SET_MPSTATE */
+
+#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
+#define KVM_MP_STATE_SIPI_RECEIVED     4
+
+struct kvm_mp_state {
+	__u32 mp_state;
+};
+
+struct kvm_s390_psw {
+	__u64 mask;
+	__u64 addr;
+};
+
+/* valid values for type in kvm_s390_interrupt */
+#define KVM_S390_SIGP_STOP		0xfffe0000u
+#define KVM_S390_PROGRAM_INT		0xfffe0001u
+#define KVM_S390_SIGP_SET_PREFIX	0xfffe0002u
+#define KVM_S390_RESTART		0xfffe0003u
+#define KVM_S390_INT_VIRTIO		0xffff2603u
+#define KVM_S390_INT_SERVICE		0xffff2401u
+#define KVM_S390_INT_EMERGENCY		0xffff1201u
+
+struct kvm_s390_interrupt {
+	__u32 type;
+	__u32 parm;
+	__u64 parm64;
+};
+
+/* for KVM_SET_GUEST_DEBUG */
+
+#define KVM_GUESTDBG_ENABLE		0x00000001
+#define KVM_GUESTDBG_SINGLESTEP		0x00000002
+
+struct kvm_guest_debug {
+	__u32 control;
+	__u32 pad;
+	struct kvm_guest_debug_arch arch;
+};
+
+enum {
+	kvm_ioeventfd_flag_nr_datamatch,
+	kvm_ioeventfd_flag_nr_pio,
+	kvm_ioeventfd_flag_nr_deassign,
+	kvm_ioeventfd_flag_nr_max,
+};
+
+#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
+#define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
+#define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
+
+#define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)
+
+struct kvm_ioeventfd {
+	__u64 datamatch;
+	__u64 addr;        /* legal pio/mmio address */
+	__u32 len;         /* 1, 2, 4, or 8 bytes    */
+	__s32 fd;
+	__u32 flags;
+	__u8  pad[36];
+};
+
+#define KVMIO 0xAE
+
+/*
+ * ioctls for /dev/kvm fds:
+ */
+#define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
+#define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
+#define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)
+
+#define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
+/*
+ * Check if a kvm extension is available.  Argument is extension number,
+ * return is 1 (yes) or 0 (no, sorry).
+ */
+#define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
+/*
+ * Get size for mmap(vcpu_fd)
+ */
+#define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
+#define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
+#define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
+#define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
+#define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08
+
+/*
+ * Extension capability list.
+ */
+#define KVM_CAP_IRQCHIP	  0
+#define KVM_CAP_HLT	  1
+#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
+#define KVM_CAP_USER_MEMORY 3
+#define KVM_CAP_SET_TSS_ADDR 4
+#define KVM_CAP_VAPIC 6
+#define KVM_CAP_EXT_CPUID 7
+#define KVM_CAP_CLOCKSOURCE 8
+#define KVM_CAP_NR_VCPUS 9       /* returns max vcpus per vm */
+#define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
+#define KVM_CAP_PIT 11
+#define KVM_CAP_NOP_IO_DELAY 12
+#define KVM_CAP_PV_MMU 13
+#define KVM_CAP_MP_STATE 14
+#define KVM_CAP_COALESCED_MMIO 15
+#define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
+#ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
+#define KVM_CAP_DEVICE_ASSIGNMENT 17
+#endif
+#define KVM_CAP_IOMMU 18
+#ifdef __KVM_HAVE_MSI
+#define KVM_CAP_DEVICE_MSI 20
+#endif
+/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
+#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
+#ifdef __KVM_HAVE_USER_NMI
+#define KVM_CAP_USER_NMI 22
+#endif
+#ifdef __KVM_HAVE_GUEST_DEBUG
+#define KVM_CAP_SET_GUEST_DEBUG 23
+#endif
+#ifdef __KVM_HAVE_PIT
+#define KVM_CAP_REINJECT_CONTROL 24
+#endif
+#ifdef __KVM_HAVE_IOAPIC
+#define KVM_CAP_IRQ_ROUTING 25
+#endif
+#define KVM_CAP_IRQ_INJECT_STATUS 26
+#ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
+#define KVM_CAP_DEVICE_DEASSIGNMENT 27
+#endif
+#ifdef __KVM_HAVE_MSIX
+#define KVM_CAP_DEVICE_MSIX 28
+#endif
+#define KVM_CAP_ASSIGN_DEV_IRQ 29
+/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
+#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
+#ifdef __KVM_HAVE_MCE
+#define KVM_CAP_MCE 31
+#endif
+#define KVM_CAP_IRQFD 32
+#ifdef __KVM_HAVE_PIT
+#define KVM_CAP_PIT2 33
+#endif
+#define KVM_CAP_SET_BOOT_CPU_ID 34
+#ifdef __KVM_HAVE_PIT_STATE2
+#define KVM_CAP_PIT_STATE2 35
+#endif
+#define KVM_CAP_IOEVENTFD 36
+#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
+#ifdef __KVM_HAVE_XEN_HVM
+#define KVM_CAP_XEN_HVM 38
+#endif
+#define KVM_CAP_ADJUST_CLOCK 39
+#define KVM_CAP_INTERNAL_ERROR_DATA 40
+#ifdef __KVM_HAVE_VCPU_EVENTS
+#define KVM_CAP_VCPU_EVENTS 41
+#endif
+#define KVM_CAP_S390_PSW 42
+#define KVM_CAP_PPC_SEGSTATE 43
+
+#ifdef KVM_CAP_IRQ_ROUTING
+
+struct kvm_irq_routing_irqchip {
+	__u32 irqchip;
+	__u32 pin;
+};
+
+struct kvm_irq_routing_msi {
+	__u32 address_lo;
+	__u32 address_hi;
+	__u32 data;
+	__u32 pad;
+};
+
+/* gsi routing entry types */
+#define KVM_IRQ_ROUTING_IRQCHIP 1
+#define KVM_IRQ_ROUTING_MSI 2
+
+struct kvm_irq_routing_entry {
+	__u32 gsi;
+	__u32 type;
+	__u32 flags;
+	__u32 pad;
+	union {
+		struct kvm_irq_routing_irqchip irqchip;
+		struct kvm_irq_routing_msi msi;
+		__u32 pad[8];
+	} u;
+};
+
+struct kvm_irq_routing {
+	__u32 nr;
+	__u32 flags;
+	struct kvm_irq_routing_entry entries[0];
+};
+
+#endif
+
+#ifdef KVM_CAP_MCE
+/* x86 MCE */
+struct kvm_x86_mce {
+	__u64 status;
+	__u64 addr;
+	__u64 misc;
+	__u64 mcg_status;
+	__u8 bank;
+	__u8 pad1[7];
+	__u64 pad2[3];
+};
+#endif
+
+#ifdef KVM_CAP_XEN_HVM
+struct kvm_xen_hvm_config {
+	__u32 flags;
+	__u32 msr;
+	__u64 blob_addr_32;
+	__u64 blob_addr_64;
+	__u8 blob_size_32;
+	__u8 blob_size_64;
+	__u8 pad2[30];
+};
+#endif
+
+#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
+
+struct kvm_irqfd {
+	__u32 fd;
+	__u32 gsi;
+	__u32 flags;
+	__u8  pad[20];
+};
+
+struct kvm_clock_data {
+	__u64 clock;
+	__u32 flags;
+	__u32 pad[9];
+};
+
+/*
+ * ioctls for VM fds
+ */
+#define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
+/*
+ * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
+ * a vcpu fd.
+ */
+#define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
+#define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
+#define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
+#define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
+#define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
+#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
+					struct kvm_userspace_memory_region)
+#define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
+#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
+/* Device model IOC */
+#define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
+#define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
+#define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
+#define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
+#define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
+#define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
+#define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
+#define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
+#define KVM_REGISTER_COALESCED_MMIO \
+			_IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
+#define KVM_UNREGISTER_COALESCED_MMIO \
+			_IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
+#define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
+				       struct kvm_assigned_pci_dev)
+#define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
+/* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
+#define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
+#define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
+#define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
+#define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
+				       struct kvm_assigned_pci_dev)
+#define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
+				       struct kvm_assigned_msix_nr)
+#define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
+				       struct kvm_assigned_msix_entry)
+#define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
+#define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
+#define KVM_CREATE_PIT2		  _IOW(KVMIO,  0x77, struct kvm_pit_config)
+#define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
+#define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
+#define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
+#define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
+#define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
+/* Available with KVM_CAP_PIT_STATE2 */
+#define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
+#define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
+
+/*
+ * ioctls for vcpu fds
+ */
+#define KVM_RUN                   _IO(KVMIO,   0x80)
+#define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
+#define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
+#define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
+#define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
+#define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
+#define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
+/* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
+#define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
+#define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
+#define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
+#define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
+#define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
+#define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
+#define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
+#define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
+#define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
+#define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
+#define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
+/* Available with KVM_CAP_VAPIC */
+#define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
+/* Available with KVM_CAP_VAPIC */
+#define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
+/* valid for virtual machine (for floating interrupt)_and_ vcpu */
+#define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
+/* store status for s390 */
+#define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
+#define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
+#define KVM_S390_STORE_STATUS	  _IOW(KVMIO,  0x95, unsigned long)
+/* initial ipl psw for s390 */
+#define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
+/* initial reset for s390 */
+#define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
+#define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
+#define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
+/* Available with KVM_CAP_NMI */
+#define KVM_NMI                   _IO(KVMIO,   0x9a)
+/* Available with KVM_CAP_SET_GUEST_DEBUG */
+#define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
+/* MCE for x86 */
+#define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
+#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
+#define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
+/* IA64 stack access */
+#define KVM_IA64_VCPU_GET_STACK   _IOR(KVMIO,  0x9a, void *)
+#define KVM_IA64_VCPU_SET_STACK   _IOW(KVMIO,  0x9b, void *)
+/* Available with KVM_CAP_VCPU_EVENTS */
+#define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
+#define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
+
+#define KVM_DEV_ASSIGN_ENABLE_IOMMU	(1 << 0)
+
+struct kvm_assigned_pci_dev {
+	__u32 assigned_dev_id;
+	__u32 busnr;
+	__u32 devfn;
+	__u32 flags;
+	union {
+		__u32 reserved[12];
+	};
+};
+
+#define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
+#define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
+#define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)
+
+#define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
+#define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
+#define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)
+
+#define KVM_DEV_IRQ_HOST_MASK	 0x00ff
+#define KVM_DEV_IRQ_GUEST_MASK   0xff00
+
+struct kvm_assigned_irq {
+	__u32 assigned_dev_id;
+	__u32 host_irq;
+	__u32 guest_irq;
+	__u32 flags;
+	union {
+		struct {
+			__u32 addr_lo;
+			__u32 addr_hi;
+			__u32 data;
+		} guest_msi;
+		__u32 reserved[12];
+	};
+};
+
+
+struct kvm_assigned_msix_nr {
+	__u32 assigned_dev_id;
+	__u16 entry_nr;
+	__u16 padding;
+};
+
+#define KVM_MAX_MSIX_PER_DEV		256
+struct kvm_assigned_msix_entry {
+	__u32 assigned_dev_id;
+	__u32 gsi;
+	__u16 entry; /* The index of entry in the MSI-X table */
+	__u16 padding[3];
+};
+
+#endif /* __LINUX_KVM_H */

kvm/include/linux/kvm_para.h

@@ -0,0 +1,41 @@
+#ifndef __LINUX_KVM_PARA_H
+#define __LINUX_KVM_PARA_H
+
+/*
+ * This header file provides a method for making a hypercall to the host
+ * Architectures should define:
+ * - kvm_hypercall0, kvm_hypercall1...
+ * - kvm_arch_para_features
+ * - kvm_para_available
+ */
+
+/* Return values for hypercalls */
+#define KVM_ENOSYS		1000
+#define KVM_EFAULT		EFAULT
+#define KVM_E2BIG		E2BIG
+#define KVM_EPERM		EPERM
+
+#define KVM_HC_VAPIC_POLL_IRQ		1
+#define KVM_HC_MMU_OP			2
+
+/*
+ * hypercalls use architecture specific
+ */
+#include <asm/kvm_para.h>
+
+#ifdef __KERNEL__
+#ifdef CONFIG_KVM_GUEST
+void __init kvm_guest_init(void);
+#else
+#define kvm_guest_init() do { } while (0)
+#endif
+
+static inline int kvm_para_has_feature(unsigned int feature)
+{
+	if (kvm_arch_para_features() & (1UL << feature))
+		return 1;
+	return 0;
+}
+#endif /* __KERNEL__ */
+#endif /* __LINUX_KVM_PARA_H */
+

kvm/include/powerpc/asm/kvm.h

@@ -0,0 +1,62 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that 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, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Copyright IBM Corp. 2007
+ *
+ * Authors: Hollis Blanchard <hollisb@us.ibm.com>
+ */
+
+#ifndef __LINUX_KVM_POWERPC_H
+#define __LINUX_KVM_POWERPC_H
+
+#include <linux/types.h>
+
+struct kvm_regs {
+	__u64 pc;
+	__u64 cr;
+	__u64 ctr;
+	__u64 lr;
+	__u64 xer;
+	__u64 msr;
+	__u64 srr0;
+	__u64 srr1;
+	__u64 pid;
+
+	__u64 sprg0;
+	__u64 sprg1;
+	__u64 sprg2;
+	__u64 sprg3;
+	__u64 sprg4;
+	__u64 sprg5;
+	__u64 sprg6;
+	__u64 sprg7;
+
+	__u64 gpr[32];
+};
+
+struct kvm_sregs {
+};
+
+struct kvm_fpu {
+	__u64 fpr[32];
+};
+
+struct kvm_debug_exit_arch {
+};
+
+/* for KVM_SET_GUEST_DEBUG */
+struct kvm_guest_debug_arch {
+};
+
+#endif /* __LINUX_KVM_POWERPC_H */

kvm/include/powerpc/asm/kvm_para.h

@@ -0,0 +1,37 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that 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, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Copyright IBM Corp. 2008
+ *
+ * Authors: Hollis Blanchard <hollisb@us.ibm.com>
+ */
+
+#ifndef __POWERPC_KVM_PARA_H__
+#define __POWERPC_KVM_PARA_H__
+
+#ifdef __KERNEL__
+
+static inline int kvm_para_available(void)
+{
+	return 0;
+}
+
+static inline unsigned int kvm_arch_para_features(void)
+{
+	return 0;
+}
+
+#endif /* __KERNEL__ */
+
+#endif /* __POWERPC_KVM_PARA_H__ */

kvm/include/x86/asm/kvm.h

@@ -0,0 +1,287 @@
+#ifndef _ASM_X86_KVM_H
+#define _ASM_X86_KVM_H
+
+/*
+ * KVM x86 specific structures and definitions
+ *
+ */
+
+#include <linux/types.h>
+#include <linux/ioctl.h>
+
+/* Select x86 specific features in <linux/kvm.h> */
+#define __KVM_HAVE_PIT
+#define __KVM_HAVE_IOAPIC
+#define __KVM_HAVE_DEVICE_ASSIGNMENT
+#define __KVM_HAVE_MSI
+#define __KVM_HAVE_USER_NMI
+#define __KVM_HAVE_GUEST_DEBUG
+#define __KVM_HAVE_MSIX
+#define __KVM_HAVE_MCE
+#define __KVM_HAVE_PIT_STATE2
+#define __KVM_HAVE_XEN_HVM
+#define __KVM_HAVE_VCPU_EVENTS
+
+/* Architectural interrupt line count. */
+#define KVM_NR_INTERRUPTS 256
+
+struct kvm_memory_alias {
+	__u32 slot;  /* this has a different namespace than memory slots */
+	__u32 flags;
+	__u64 guest_phys_addr;
+	__u64 memory_size;
+	__u64 target_phys_addr;
+};
+
+/* for KVM_GET_IRQCHIP and KVM_SET_IRQCHIP */
+struct kvm_pic_state {
+	__u8 last_irr;	/* edge detection */
+	__u8 irr;		/* interrupt request register */
+	__u8 imr;		/* interrupt mask register */
+	__u8 isr;		/* interrupt service register */
+	__u8 priority_add;	/* highest irq priority */
+	__u8 irq_base;
+	__u8 read_reg_select;
+	__u8 poll;
+	__u8 special_mask;
+	__u8 init_state;
+	__u8 auto_eoi;
+	__u8 rotate_on_auto_eoi;
+	__u8 special_fully_nested_mode;
+	__u8 init4;		/* true if 4 byte init */
+	__u8 elcr;		/* PIIX edge/trigger selection */
+	__u8 elcr_mask;
+};
+
+#define KVM_IOAPIC_NUM_PINS  24
+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_NR_IRQCHIPS          3
+
+/* for KVM_GET_REGS and KVM_SET_REGS */
+struct kvm_regs {
+	/* out (KVM_GET_REGS) / in (KVM_SET_REGS) */
+	__u64 rax, rbx, rcx, rdx;
+	__u64 rsi, rdi, rsp, rbp;
+	__u64 r8,  r9,  r10, r11;
+	__u64 r12, r13, r14, r15;
+	__u64 rip, rflags;
+};
+
+/* for KVM_GET_LAPIC and KVM_SET_LAPIC */
+#define KVM_APIC_REG_SIZE 0x400
+struct kvm_lapic_state {
+	char regs[KVM_APIC_REG_SIZE];
+};
+
+struct kvm_segment {
+	__u64 base;
+	__u32 limit;
+	__u16 selector;
+	__u8  type;
+	__u8  present, dpl, db, s, l, g, avl;
+	__u8  unusable;
+	__u8  padding;
+};
+
+struct kvm_dtable {
+	__u64 base;
+	__u16 limit;
+	__u16 padding[3];
+};
+
+
+/* for KVM_GET_SREGS and KVM_SET_SREGS */
+struct kvm_sregs {
+	/* out (KVM_GET_SREGS) / in (KVM_SET_SREGS) */
+	struct kvm_segment cs, ds, es, fs, gs, ss;
+	struct kvm_segment tr, ldt;
+	struct kvm_dtable gdt, idt;
+	__u64 cr0, cr2, cr3, cr4, cr8;
+	__u64 efer;
+	__u64 apic_base;
+	__u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64];
+};
+
+/* for KVM_GET_FPU and KVM_SET_FPU */
+struct kvm_fpu {
+	__u8  fpr[8][16];
+	__u16 fcw;
+	__u16 fsw;
+	__u8  ftwx;  /* in fxsave format */
+	__u8  pad1;
+	__u16 last_opcode;
+	__u64 last_ip;
+	__u64 last_dp;
+	__u8  xmm[16][16];
+	__u32 mxcsr;
+	__u32 pad2;
+};
+
+struct kvm_msr_entry {
+	__u32 index;
+	__u32 reserved;
+	__u64 data;
+};
+
+/* for KVM_GET_MSRS and KVM_SET_MSRS */
+struct kvm_msrs {
+	__u32 nmsrs; /* number of msrs in entries */
+	__u32 pad;
+
+	struct kvm_msr_entry entries[0];
+};
+
+/* for KVM_GET_MSR_INDEX_LIST */
+struct kvm_msr_list {
+	__u32 nmsrs; /* number of msrs in entries */
+	__u32 indices[0];
+};
+
+
+struct kvm_cpuid_entry {
+	__u32 function;
+	__u32 eax;
+	__u32 ebx;
+	__u32 ecx;
+	__u32 edx;
+	__u32 padding;
+};
+
+/* for KVM_SET_CPUID */
+struct kvm_cpuid {
+	__u32 nent;
+	__u32 padding;
+	struct kvm_cpuid_entry entries[0];
+};
+
+struct kvm_cpuid_entry2 {
+	__u32 function;
+	__u32 index;
+	__u32 flags;
+	__u32 eax;
+	__u32 ebx;
+	__u32 ecx;
+	__u32 edx;
+	__u32 padding[3];
+};
+
+#define KVM_CPUID_FLAG_SIGNIFCANT_INDEX 1
+#define KVM_CPUID_FLAG_STATEFUL_FUNC    2
+#define KVM_CPUID_FLAG_STATE_READ_NEXT  4
+
+/* for KVM_SET_CPUID2 */
+struct kvm_cpuid2 {
+	__u32 nent;
+	__u32 padding;
+	struct kvm_cpuid_entry2 entries[0];
+};
+
+/* for KVM_GET_PIT and KVM_SET_PIT */
+struct kvm_pit_channel_state {
+	__u32 count; /* can be 65536 */
+	__u16 latched_count;
+	__u8 count_latched;
+	__u8 status_latched;
+	__u8 status;
+	__u8 read_state;
+	__u8 write_state;
+	__u8 write_latch;
+	__u8 rw_mode;
+	__u8 mode;
+	__u8 bcd;
+	__u8 gate;
+	__s64 count_load_time;
+};
+
+struct kvm_debug_exit_arch {
+	__u32 exception;
+	__u32 pad;
+	__u64 pc;
+	__u64 dr6;
+	__u64 dr7;
+};
+
+#define KVM_GUESTDBG_USE_SW_BP		0x00010000
+#define KVM_GUESTDBG_USE_HW_BP		0x00020000
+#define KVM_GUESTDBG_INJECT_DB		0x00040000
+#define KVM_GUESTDBG_INJECT_BP		0x00080000
+
+/* for KVM_SET_GUEST_DEBUG */
+struct kvm_guest_debug_arch {
+	__u64 debugreg[8];
+};
+
+struct kvm_pit_state {
+	struct kvm_pit_channel_state channels[3];
+};
+
+#define KVM_PIT_FLAGS_HPET_LEGACY  0x00000001
+
+struct kvm_pit_state2 {
+	struct kvm_pit_channel_state channels[3];
+	__u32 flags;
+	__u32 reserved[9];
+};
+
+struct kvm_reinject_control {
+	__u8 pit_reinject;
+	__u8 reserved[31];
+};
+
+/* When set in flags, include corresponding fields on KVM_SET_VCPU_EVENTS */
+#define KVM_VCPUEVENT_VALID_NMI_PENDING	0x00000001
+#define KVM_VCPUEVENT_VALID_SIPI_VECTOR	0x00000002
+
+/* for KVM_GET/SET_VCPU_EVENTS */
+struct kvm_vcpu_events {
+	struct {
+		__u8 injected;
+		__u8 nr;
+		__u8 has_error_code;
+		__u8 pad;
+		__u32 error_code;
+	} exception;
+	struct {
+		__u8 injected;
+		__u8 nr;
+		__u8 soft;
+		__u8 pad;
+	} interrupt;
+	struct {
+		__u8 injected;
+		__u8 pending;
+		__u8 masked;
+		__u8 pad;
+	} nmi;
+	__u32 sipi_vector;
+	__u32 flags;
+	__u32 reserved[10];
+};
+
+#endif /* _ASM_X86_KVM_H */

kvm/include/x86/asm/kvm_para.h

@@ -0,0 +1,149 @@
+#ifndef _ASM_X86_KVM_PARA_H
+#define _ASM_X86_KVM_PARA_H
+
+#include <linux/types.h>
+
+/* This CPUID returns the signature 'KVMKVMKVM' in ebx, ecx, and edx.  It
+ * should be used to determine that a VM is running under KVM.
+ */
+#define KVM_CPUID_SIGNATURE	0x40000000
+
+/* This CPUID returns a feature bitmap in eax.  Before enabling a particular
+ * paravirtualization, the appropriate feature bit should be checked.
+ */
+#define KVM_CPUID_FEATURES	0x40000001
+#define KVM_FEATURE_CLOCKSOURCE		0
+#define KVM_FEATURE_NOP_IO_DELAY	1
+#define KVM_FEATURE_MMU_OP		2
+
+#define MSR_KVM_WALL_CLOCK  0x11
+#define MSR_KVM_SYSTEM_TIME 0x12
+
+#define KVM_MAX_MMU_OP_BATCH           32
+
+/* Operations for KVM_HC_MMU_OP */
+#define KVM_MMU_OP_WRITE_PTE            1
+#define KVM_MMU_OP_FLUSH_TLB	        2
+#define KVM_MMU_OP_RELEASE_PT	        3
+
+/* Payload for KVM_HC_MMU_OP */
+struct kvm_mmu_op_header {
+	__u32 op;
+	__u32 pad;
+};
+
+struct kvm_mmu_op_write_pte {
+	struct kvm_mmu_op_header header;
+	__u64 pte_phys;
+	__u64 pte_val;
+};
+
+struct kvm_mmu_op_flush_tlb {
+	struct kvm_mmu_op_header header;
+};
+
+struct kvm_mmu_op_release_pt {
+	struct kvm_mmu_op_header header;
+	__u64 pt_phys;
+};
+
+#ifdef __KERNEL__
+#include <asm/processor.h>
+
+extern void kvmclock_init(void);
+
+
+/* This instruction is vmcall.  On non-VT architectures, it will generate a
+ * trap that we will then rewrite to the appropriate instruction.
+ */
+#define KVM_HYPERCALL ".byte 0x0f,0x01,0xc1"
+
+/* For KVM hypercalls, a three-byte sequence of either the vmrun or the vmmrun
+ * instruction.  The hypervisor may replace it with something else but only the
+ * instructions are guaranteed to be supported.
+ *
+ * Up to four arguments may be passed in rbx, rcx, rdx, and rsi respectively.
+ * The hypercall number should be placed in rax and the return value will be
+ * placed in rax.  No other registers will be clobbered unless explicited
+ * noted by the particular hypercall.
+ */
+
+static inline long kvm_hypercall0(unsigned int nr)
+{
+	long ret;
+	asm volatile(KVM_HYPERCALL
+		     : "=a"(ret)
+		     : "a"(nr)
+		     : "memory");
+	return ret;
+}
+
+static inline long kvm_hypercall1(unsigned int nr, unsigned long p1)
+{
+	long ret;
+	asm volatile(KVM_HYPERCALL
+		     : "=a"(ret)
+		     : "a"(nr), "b"(p1)
+		     : "memory");
+	return ret;
+}
+
+static inline long kvm_hypercall2(unsigned int nr, unsigned long p1,
+				  unsigned long p2)
+{
+	long ret;
+	asm volatile(KVM_HYPERCALL
+		     : "=a"(ret)
+		     : "a"(nr), "b"(p1), "c"(p2)
+		     : "memory");
+	return ret;
+}
+
+static inline long kvm_hypercall3(unsigned int nr, unsigned long p1,
+				  unsigned long p2, unsigned long p3)
+{
+	long ret;
+	asm volatile(KVM_HYPERCALL
+		     : "=a"(ret)
+		     : "a"(nr), "b"(p1), "c"(p2), "d"(p3)
+		     : "memory");
+	return ret;
+}
+
+static inline long kvm_hypercall4(unsigned int nr, unsigned long p1,
+				  unsigned long p2, unsigned long p3,
+				  unsigned long p4)
+{
+	long ret;
+	asm volatile(KVM_HYPERCALL
+		     : "=a"(ret)
+		     : "a"(nr), "b"(p1), "c"(p2), "d"(p3), "S"(p4)
+		     : "memory");
+	return ret;
+}
+
+static inline int kvm_para_available(void)
+{
+	unsigned int eax, ebx, ecx, edx;
+	char signature[13];
+
+	cpuid(KVM_CPUID_SIGNATURE, &eax, &ebx, &ecx, &edx);
+	memcpy(signature + 0, &ebx, 4);
+	memcpy(signature + 4, &ecx, 4);
+	memcpy(signature + 8, &edx, 4);
+	signature[12] = 0;
+
+	if (strcmp(signature, "KVMKVMKVM") == 0)
+		return 1;
+
+	return 0;
+}
+
+static inline unsigned int kvm_arch_para_features(void)
+{
+	return cpuid_eax(KVM_CPUID_FEATURES);
+}
+
+#endif
+
+#endif /* _ASM_X86_KVM_PARA_H */

kvm/kvm.spec

@@ -0,0 +1,139 @@
+Name:           kvm
+Version:        0.0
+Release:        0
+Summary:        Kernel Virtual Machine virtualization environment
+
+Group:          System Environment/Kernel
+License:        GPL
+URL:            http://www.qumranet.com
+BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}
+
+ExclusiveArch:  i386 x86_64 ia64
+
+Requires:	kvm-kmod bridge-utils
+
+%define Distribution %(rpm -q -qf /etc/redhat-release --qf '%%{name}' | cut -d"-"  -f 1)
+%define os_version %(rpm -q --qf '%%{version}' %{Distribution}-release)
+%define os_release %(rpm -q --qf '%%{release}' %{Distribution}-release | cut -d"." -f 1)
+
+%if %([ x"%{Distribution}" = x"fedora" -a x"%{os_version}" = x"5" ] && echo 1 || echo 0)
+%define require_gccver 32
+%endif
+
+%if %([ x"%{Distribution}" = x"fedora" -a 0"%{os_version}" -ge "8" ] && echo 1 || echo 0)
+%define qemuldflags --qemu-ldflags=-Wl,--build-id
+%else
+%define qemuldflags ""
+%endif
+
+%if %([ x"%{Distribution}" = x"centos" -a x"%{os_version}" = x"4" ] && echo 1 || echo 0)
+%define require_gccver 32
+%endif
+
+%if %([ x"%{Distribution}" = x"redhat" -a x"%{os_release}" = x"5" ] && echo 1 || echo 0)
+%define require_gccver 34
+%endif
+
+%if %( [ x"%{require_gccver}" = x"32" ] && echo 1 || echo 0)
+BuildRequires: compat-gcc-32
+%else
+BuildRequires: compat-gcc-34
+%endif
+
+BuildRequires:  SDL-devel zlib-devel alsa-lib-devel
+
+%define _prebuilt %{?prebuilt:1}%{!?prebuilt:0}
+
+%if !%{_prebuilt}
+Source0: kvm.tar.gz
+Source1: user.tar.gz
+Source2: kernel.tar.gz
+Source3: scripts.tar.gz
+Source4: Makefile
+Source5: configure
+Source6: kvm_stat
+Source7: libkvm.tar.gz
+Source8: extboot.tar.gz
+%endif
+
+%description
+The Kernel Virtual Machine provides a virtualization enviroment for processors
+with hardware support for virtualization: Intel's VT-x&VT-i and AMD's AMD-V.
+
+%prep
+
+%if !%{_prebuilt}
+%setup -T -b 0 -n qemu
+%setup -T -b 1 -n user -D
+%setup -T -b 2 -n kernel -D
+%setup -T -b 7 -n libkvm -D
+%setup -T -b 3 -n scripts -D
+%setup -T -b 8 -n extboot -D
+cd ..
+cp %{_sourcedir}/Makefile %{_sourcedir}/configure %{_sourcedir}/kvm_stat .
+%endif
+
+%build
+
+rm -rf %{buildroot}
+
+%if !%{_prebuilt}
+cd ..
+./configure --prefix=/usr/kvm %{qemuldflags}
+make -C libkvm
+make -C user
+%ifarch i386 x86_64
+make extboot
+%endif
+#(cd qemu;
+#    ./co
+#   kpath="$(readlink -f ../kernel/include)"
+#   upath="$(readlink -f ../user)"
+#   ./configure --target-list=$(uname -i)-softmmu \
+#	    --extra-cflags="-I$kpath -I$upath" \
+#	    --extra-ldflags="-L$upath" \
+#	    --disable-kqemu --enable-kvm --prefix=/usr/kvm
+#)
+make -C qemu
+%endif
+
+%install
+
+%if !%{_prebuilt}
+cd ..
+%else
+cd %{objdir}
+%endif
+
+make DESTDIR=%{buildroot} install-rpm
+
+%define bindir /usr/bin
+%define bin %{bindir}/kvm
+%define initdir /etc/init.d
+%define confdir /etc/kvm
+%define utilsdir /etc/kvm/utils
+
+%post 
+/sbin/chkconfig --add kvm
+/sbin/chkconfig --level 2345 kvm on
+/sbin/chkconfig --level 16 kvm off
+/usr/sbin/groupadd -fg 444 kvm
+
+%preun
+if [ "$1" != 0 ]; then
+	/sbin/service kvm stop
+	/sbin/chkconfig --level 2345 kvm off
+	/sbin/chkconfig --del kvm
+fi
+
+%clean
+%{__rm} -rf %{buildroot}
+
+%files
+/usr/bin/kvm
+/usr/bin/kvm_stat
+%{confdir}/qemu-ifup
+%{initdir}/kvm  
+/etc/udev/rules.d/*kvm*.rules
+/usr/kvm
+%changelog

kvm/kvm_stat

@@ -0,0 +1,129 @@
+#!/usr/bin/python
+
+import curses
+import sys, os, time, optparse
+
+class Stats:
+    def __init__(self, fields = None):
+        def wanted(key):
+            import re
+            if not fields:
+                return True
+            return re.match(fields, key) != None
+        self.base = '/sys/kernel/debug/kvm'
+        self.values = {}
+        for key in os.listdir(self.base):
+            if wanted(key):
+                self.values[key] = None
+    def get(self):
+        for key, oldval in self.values.iteritems():
+            newval = int(file(self.base + '/' + key).read())
+            newdelta = None
+            if oldval is not None:
+                newdelta = newval - oldval[0]
+            self.values[key] = (newval, newdelta)
+        return self.values
+
+if not os.access('/sys/kernel/debug', os.F_OK):
+    print 'Please enable CONFIG_DEBUG_FS in your kernel'
+    sys.exit(1)
+if not os.access('/sys/kernel/debug/kvm', os.F_OK):
+    print "Please mount debugfs ('mount -t debugfs debugfs /sys/kernel/debug')"
+    print "and ensure the kvm modules are loaded"
+    sys.exit(1)
+
+label_width = 20
+number_width = 10
+
+def tui(screen, stats):
+    curses.use_default_colors()
+    curses.noecho()
+    def refresh():
+        screen.erase()
+        screen.addstr(0, 0, 'kvm statistics')
+        row = 2
+        s = stats.get()
+        for key in sorted(s.keys()):
+            if row >= screen.getmaxyx()[0]:
+                break
+            values = s[key]
+            col = 1
+            screen.addstr(row, col, key)
+            col += label_width
+            screen.addstr(row, col, '%10d' % (values[0],))
+            col += number_width
+            if values[1] is not None:
+                screen.addstr(row, col, '%8d' % (values[1],))
+            row += 1
+        screen.refresh()
+
+    while True:
+        refresh()
+        curses.halfdelay(10)
+        try:
+            c = screen.getkey()
+            if c == 'q':
+                break
+        except KeyboardInterrupt:
+            break
+        except curses.error:
+            continue
+
+def batch(stats):
+    s = stats.get()
+    time.sleep(1)
+    s = stats.get()
+    for key in sorted(s.keys()):
+        values = s[key]
+        print '%-22s%10d%10d' % (key, values[0], values[1])
+
+def log(stats):
+    keys = sorted(stats.get().iterkeys())
+    def banner():
+        for k in keys:
+            print '%10s' % k[0:9],
+        print
+    def statline():
+        s = stats.get()
+        for k in keys:
+            print ' %9d' % s[k][1],
+        print
+    line = 0
+    banner_repeat = 20
+    while True:
+        time.sleep(1)
+        if line % banner_repeat == 0:
+            banner()
+        statline()
+        line += 1
+
+options = optparse.OptionParser()
+options.add_option('-1', '--once', '--batch',
+                   action = 'store_true',
+                   default = False,
+                   dest = 'once',
+                   help = 'run in batch mode for one second',
+                   )
+options.add_option('-l', '--log',
+                   action = 'store_true',
+                   default = False,
+                   dest = 'log',
+                   help = 'run in logging mode (like vmstat)',
+                   )
+options.add_option('-f', '--fields',
+                   action = 'store',
+                   default = None,
+                   dest = 'fields',
+                   help = 'fields to display (regex)',
+                   )
+(options, args) = options.parse_args(sys.argv)
+
+stats = Stats(fields = options.fields)
+
+if options.log:
+    log(stats)
+elif not options.once:
+    import curses.wrapper
+    curses.wrapper(tui, stats)
+else:
+    batch(stats)

kvm/libfdt/Makefile

@@ -0,0 +1,19 @@
+include ../config.mak
+include ../user/config.mak
+
+LIBFDT_SRCS = fdt.c fdt_ro.c fdt_wip.c fdt_sw.c fdt_rw.c fdt_strerror.c
+LIBFDT_INCLUDES = fdt.h libfdt.h
+LIBFDT_EXTRA = libfdt_internal.h
+LIBFDT_LIB = libfdt.a
+
+LIBFDT_OBJS = $(LIBFDT_SRCS:%.c=%.o)
+
+CFLAGS += -I .
+
+$(LIBFDT_LIB): $(LIBFDT_OBJS)
+	$(AR) rcs $@ $^
+
+all: $(LIBFDT_LIB)
+
+clean:
+	rm -rf *.o *.a

kvm/libfdt/README

@@ -0,0 +1,3 @@
+libfdt was grabbed from dtc source. This is the upstream source for libfdt.
+It can be found here:
+http://www.jdl.com/software/

kvm/libfdt/fdt.c

@@ -0,0 +1,194 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * libfdt is dual licensed: you can use it either under the terms of
+ * the GPL, or the BSD license, at your option.
+ *
+ *  a) This library is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This library is distributed in the hope that 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 library; if not, write to the Free
+ *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ *     MA 02110-1301 USA
+ *
+ * Alternatively,
+ *
+ *  b) Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *     1. Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *     2. Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "libfdt_env.h"
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "libfdt_internal.h"
+
+int fdt_check_header(const void *fdt)
+{
+	if (fdt_magic(fdt) == FDT_MAGIC) {
+		/* Complete tree */
+		if (fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION)
+			return -FDT_ERR_BADVERSION;
+		if (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION)
+			return -FDT_ERR_BADVERSION;
+	} else if (fdt_magic(fdt) == SW_MAGIC) {
+		/* Unfinished sequential-write blob */
+		if (fdt_size_dt_struct(fdt) == 0)
+			return -FDT_ERR_BADSTATE;
+	} else {
+		return -FDT_ERR_BADMAGIC;
+	}
+
+	return 0;
+}
+
+const void *fdt_offset_ptr(const void *fdt, int offset, int len)
+{
+	const void *p;
+
+	if (fdt_version(fdt) >= 0x11)
+		if (((offset + len) < offset)
+		    || ((offset + len) > fdt_size_dt_struct(fdt)))
+			return NULL;
+
+	p = _fdt_offset_ptr(fdt, offset);
+
+	if (p + len < p)
+		return NULL;
+	return p;
+}
+
+uint32_t fdt_next_tag(const void *fdt, int offset, int *nextoffset)
+{
+	const uint32_t *tagp, *lenp;
+	uint32_t tag;
+	const char *p;
+
+	if (offset % FDT_TAGSIZE)
+		return -1;
+
+	tagp = fdt_offset_ptr(fdt, offset, FDT_TAGSIZE);
+	if (! tagp)
+		return FDT_END; /* premature end */
+	tag = fdt32_to_cpu(*tagp);
+	offset += FDT_TAGSIZE;
+
+	switch (tag) {
+	case FDT_BEGIN_NODE:
+		/* skip name */
+		do {
+			p = fdt_offset_ptr(fdt, offset++, 1);
+		} while (p && (*p != '\0'));
+		if (! p)
+			return FDT_END;
+		break;
+	case FDT_PROP:
+		lenp = fdt_offset_ptr(fdt, offset, sizeof(*lenp));
+		if (! lenp)
+			return FDT_END;
+		/* skip name offset, length and value */
+		offset += 2*FDT_TAGSIZE + fdt32_to_cpu(*lenp);
+		break;
+	}
+
+	if (nextoffset)
+		*nextoffset = ALIGN(offset, FDT_TAGSIZE);
+
+	return tag;
+}
+
+int fdt_next_node(const void *fdt, int offset, int *depth)
+{
+	int nextoffset = 0;
+	uint32_t tag;
+
+	if (offset >= 0) {
+		tag = fdt_next_tag(fdt, offset, &nextoffset);
+		if (tag != FDT_BEGIN_NODE)
+			return -FDT_ERR_BADOFFSET;
+	}
+
+	do {
+		offset = nextoffset;
+		tag = fdt_next_tag(fdt, offset, &nextoffset);
+
+		switch (tag) {
+		case FDT_PROP:
+		case FDT_NOP:
+			break;
+
+		case FDT_BEGIN_NODE:
+			if (depth)
+				(*depth)++;
+			break;
+
+		case FDT_END_NODE:
+			if (depth)
+				(*depth)--;
+			break;
+
+		case FDT_END:
+			return -FDT_ERR_NOTFOUND;
+
+		default:
+			return -FDT_ERR_BADSTRUCTURE;
+		}
+	} while (tag != FDT_BEGIN_NODE);
+
+	return offset;
+}
+
+const char *_fdt_find_string(const char *strtab, int tabsize, const char *s)
+{
+	int len = strlen(s) + 1;
+	const char *last = strtab + tabsize - len;
+	const char *p;
+
+	for (p = strtab; p <= last; p++)
+		if (memeq(p, s, len))
+			return p;
+	return NULL;
+}
+
+int fdt_move(const void *fdt, void *buf, int bufsize)
+{
+	CHECK_HEADER(fdt);
+
+	if (fdt_totalsize(fdt) > bufsize)
+		return -FDT_ERR_NOSPACE;
+
+	memmove(buf, fdt, fdt_totalsize(fdt));
+	return 0;
+}

kvm/libfdt/fdt.h

@@ -0,0 +1,60 @@
+#ifndef _FDT_H
+#define _FDT_H
+
+#ifndef __ASSEMBLY__
+
+struct fdt_header {
+	uint32_t magic;			 /* magic word FDT_MAGIC */
+	uint32_t totalsize;		 /* total size of DT block */
+	uint32_t off_dt_struct;		 /* offset to structure */
+	uint32_t off_dt_strings;	 /* offset to strings */
+	uint32_t off_mem_rsvmap;	 /* offset to memory reserve map */
+	uint32_t version;		 /* format version */
+	uint32_t last_comp_version;	 /* last compatible version */
+
+	/* version 2 fields below */
+	uint32_t boot_cpuid_phys;	 /* Which physical CPU id we're
+					    booting on */
+	/* version 3 fields below */
+	uint32_t size_dt_strings;	 /* size of the strings block */
+
+	/* version 17 fields below */
+	uint32_t size_dt_struct;	 /* size of the structure block */
+};
+
+struct fdt_reserve_entry {
+	uint64_t address;
+	uint64_t size;
+};
+
+struct fdt_node_header {
+	uint32_t tag;
+	char name[0];
+};
+
+struct fdt_property {
+	uint32_t tag;
+	uint32_t len;
+	uint32_t nameoff;
+	char data[0];
+};
+
+#endif /* !__ASSEMBLY */
+
+#define FDT_MAGIC	0xd00dfeed	/* 4: version, 4: total size */
+#define FDT_TAGSIZE	sizeof(uint32_t)
+
+#define FDT_BEGIN_NODE	0x1		/* Start node: full name */
+#define FDT_END_NODE	0x2		/* End node */
+#define FDT_PROP	0x3		/* Property: name off,
+					   size, content */
+#define FDT_NOP		0x4		/* nop */
+#define FDT_END		0x9
+
+#define FDT_V1_SIZE	(7*sizeof(uint32_t))
+#define FDT_V2_SIZE	(FDT_V1_SIZE + sizeof(uint32_t))
+#define FDT_V3_SIZE	(FDT_V2_SIZE + sizeof(uint32_t))
+#define FDT_V16_SIZE	FDT_V3_SIZE
+#define FDT_V17_SIZE	(FDT_V16_SIZE + sizeof(uint32_t))
+
+#endif /* _FDT_H */

kvm/libfdt/fdt_ro.c

@@ -0,0 +1,476 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * libfdt is dual licensed: you can use it either under the terms of
+ * the GPL, or the BSD license, at your option.
+ *
+ *  a) This library is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This library is distributed in the hope that 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 library; if not, write to the Free
+ *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ *     MA 02110-1301 USA
+ *
+ * Alternatively,
+ *
+ *  b) Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *     1. Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *     2. Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "libfdt_env.h"
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "libfdt_internal.h"
+
+static int nodename_eq(const void *fdt, int offset,
+		       const char *s, int len)
+{
+	const char *p = fdt_offset_ptr(fdt, offset + FDT_TAGSIZE, len+1);
+
+	if (! p)
+		/* short match */
+		return 0;
+
+	if (memcmp(p, s, len) != 0)
+		return 0;
+
+	if (p[len] == '\0')
+		return 1;
+	else if (!memchr(s, '@', len) && (p[len] == '@'))
+		return 1;
+	else
+		return 0;
+}
+
+const char *fdt_string(const void *fdt, int stroffset)
+{
+	return (char *)fdt + fdt_off_dt_strings(fdt) + stroffset;
+}
+
+int fdt_get_mem_rsv(const void *fdt, int n, uint64_t *address, uint64_t *size)
+{
+	CHECK_HEADER(fdt);
+	*address = fdt64_to_cpu(_fdt_mem_rsv(fdt, n)->address);
+	*size = fdt64_to_cpu(_fdt_mem_rsv(fdt, n)->size);
+	return 0;
+}
+
+int fdt_num_mem_rsv(const void *fdt)
+{
+	int i = 0;
+
+	while (fdt64_to_cpu(_fdt_mem_rsv(fdt, i)->size) != 0)
+		i++;
+	return i;
+}
+
+int fdt_subnode_offset_namelen(const void *fdt, int offset,
+			       const char *name, int namelen)
+{
+	int depth;
+
+	CHECK_HEADER(fdt);
+
+	for (depth = 0;
+	     offset >= 0;
+	     offset = fdt_next_node(fdt, offset, &depth)) {
+		if (depth < 0)
+			return -FDT_ERR_NOTFOUND;
+		else if ((depth == 1)
+			 && nodename_eq(fdt, offset, name, namelen))
+			return offset;
+	}
+
+	return offset; /* error */
+}
+
+int fdt_subnode_offset(const void *fdt, int parentoffset,
+		       const char *name)
+{
+	return fdt_subnode_offset_namelen(fdt, parentoffset, name, strlen(name));
+}
+
+int fdt_path_offset(const void *fdt, const char *path)
+{
+	const char *end = path + strlen(path);
+	const char *p = path;
+	int offset = 0;
+
+	CHECK_HEADER(fdt);
+
+	if (*path != '/')
+		return -FDT_ERR_BADPATH;
+
+	while (*p) {
+		const char *q;
+
+		while (*p == '/')
+			p++;
+		if (! *p)
+			return offset;
+		q = strchr(p, '/');
+		if (! q)
+			q = end;
+
+		offset = fdt_subnode_offset_namelen(fdt, offset, p, q-p);
+		if (offset < 0)
+			return offset;
+
+		p = q;
+	}
+
+	return offset;
+}
+
+const char *fdt_get_name(const void *fdt, int nodeoffset, int *len)
+{
+	const struct fdt_node_header *nh;
+	int err;
+
+	if ((err = fdt_check_header(fdt)) != 0)
+		goto fail;
+
+	err = -FDT_ERR_BADOFFSET;
+	nh = fdt_offset_ptr(fdt, nodeoffset, sizeof(*nh));
+	if (!nh || (fdt32_to_cpu(nh->tag) != FDT_BEGIN_NODE))
+		goto fail;
+
+	if (len)
+		*len = strlen(nh->name);
+
+	return nh->name;
+
+ fail:
+	if (len)
+		*len = err;
+	return NULL;
+}
+
+const struct fdt_property *fdt_get_property(const void *fdt,
+					    int nodeoffset,
+					    const char *name, int *lenp)
+{
+	uint32_t tag;
+	const struct fdt_property *prop;
+	int namestroff;
+	int offset, nextoffset;
+	int err;
+
+	if ((err = fdt_check_header(fdt)) != 0)
+		goto fail;
+
+	err = -FDT_ERR_BADOFFSET;
+	if (nodeoffset % FDT_TAGSIZE)
+		goto fail;
+
+	tag = fdt_next_tag(fdt, nodeoffset, &nextoffset);
+	if (tag != FDT_BEGIN_NODE)
+		goto fail;
+
+	do {
+		offset = nextoffset;
+
+		tag = fdt_next_tag(fdt, offset, &nextoffset);
+		switch (tag) {
+		case FDT_END:
+			err = -FDT_ERR_TRUNCATED;
+			goto fail;
+
+		case FDT_BEGIN_NODE:
+		case FDT_END_NODE:
+		case FDT_NOP:
+			break;
+
+		case FDT_PROP:
+			err = -FDT_ERR_BADSTRUCTURE;
+			prop = fdt_offset_ptr(fdt, offset, sizeof(*prop));
+			if (! prop)
+				goto fail;
+			namestroff = fdt32_to_cpu(prop->nameoff);
+			if (streq(fdt_string(fdt, namestroff), name)) {
+				/* Found it! */
+				int len = fdt32_to_cpu(prop->len);
+				prop = fdt_offset_ptr(fdt, offset,
+						      sizeof(*prop)+len);
+				if (! prop)
+					goto fail;
+
+				if (lenp)
+					*lenp = len;
+
+				return prop;
+			}
+			break;
+
+		default:
+			err = -FDT_ERR_BADSTRUCTURE;
+			goto fail;
+		}
+	} while ((tag != FDT_BEGIN_NODE) && (tag != FDT_END_NODE));
+
+	err = -FDT_ERR_NOTFOUND;
+ fail:
+	if (lenp)
+		*lenp = err;
+	return NULL;
+}
+
+const void *fdt_getprop(const void *fdt, int nodeoffset,
+		  const char *name, int *lenp)
+{
+	const struct fdt_property *prop;
+
+	prop = fdt_get_property(fdt, nodeoffset, name, lenp);
+	if (! prop)
+		return NULL;
+
+	return prop->data;
+}
+
+uint32_t fdt_get_phandle(const void *fdt, int nodeoffset)
+{
+	const uint32_t *php;
+	int len;
+
+	php = fdt_getprop(fdt, nodeoffset, "linux,phandle", &len);
+	if (!php || (len != sizeof(*php)))
+		return 0;
+
+	return fdt32_to_cpu(*php);
+}
+
+int fdt_get_path(const void *fdt, int nodeoffset, char *buf, int buflen)
+{
+	int pdepth = 0, p = 0;
+	int offset, depth, namelen;
+	const char *name;
+
+	CHECK_HEADER(fdt);
+
+	if (buflen < 2)
+		return -FDT_ERR_NOSPACE;
+
+	for (offset = 0, depth = 0;
+	     (offset >= 0) && (offset <= nodeoffset);
+	     offset = fdt_next_node(fdt, offset, &depth)) {
+		if (pdepth < depth)
+			continue; /* overflowed buffer */
+
+		while (pdepth > depth) {
+			do {
+				p--;
+			} while (buf[p-1] != '/');
+			pdepth--;
+		}
+
+		name = fdt_get_name(fdt, offset, &namelen);
+		if (!name)
+			return namelen;
+		if ((p + namelen + 1) <= buflen) {
+			memcpy(buf + p, name, namelen);
+			p += namelen;
+			buf[p++] = '/';
+			pdepth++;
+		}
+
+		if (offset == nodeoffset) {
+			if (pdepth < (depth + 1))
+				return -FDT_ERR_NOSPACE;
+
+			if (p > 1) /* special case so that root path is "/", not "" */
+				p--;
+			buf[p] = '\0';
+			return p;
+		}
+	}
+
+	if ((offset == -FDT_ERR_NOTFOUND) || (offset >= 0))
+		return -FDT_ERR_BADOFFSET;
+	else if (offset == -FDT_ERR_BADOFFSET)
+		return -FDT_ERR_BADSTRUCTURE;
+
+	return offset; /* error from fdt_next_node() */
+}
+
+int fdt_supernode_atdepth_offset(const void *fdt, int nodeoffset,
+				 int supernodedepth, int *nodedepth)
+{
+	int offset, depth;
+	int supernodeoffset = -FDT_ERR_INTERNAL;
+
+	CHECK_HEADER(fdt);
+
+	if (supernodedepth < 0)
+		return -FDT_ERR_NOTFOUND;
+
+	for (offset = 0, depth = 0;
+	     (offset >= 0) && (offset <= nodeoffset);
+	     offset = fdt_next_node(fdt, offset, &depth)) {
+		if (depth == supernodedepth)
+			supernodeoffset = offset;
+
+		if (offset == nodeoffset) {
+			if (nodedepth)
+				*nodedepth = depth;
+
+			if (supernodedepth > depth)
+				return -FDT_ERR_NOTFOUND;
+			else
+				return supernodeoffset;
+		}
+	}
+
+	if ((offset == -FDT_ERR_NOTFOUND) || (offset >= 0))
+		return -FDT_ERR_BADOFFSET;
+	else if (offset == -FDT_ERR_BADOFFSET)
+		return -FDT_ERR_BADSTRUCTURE;
+
+	return offset; /* error from fdt_next_node() */
+}
+
+int fdt_node_depth(const void *fdt, int nodeoffset)
+{
+	int nodedepth;
+	int err;
+
+	err = fdt_supernode_atdepth_offset(fdt, nodeoffset, 0, &nodedepth);
+	if (err)
+		return (err < 0) ? err : -FDT_ERR_INTERNAL;
+	return nodedepth;
+}
+
+int fdt_parent_offset(const void *fdt, int nodeoffset)
+{
+	int nodedepth = fdt_node_depth(fdt, nodeoffset);
+
+	if (nodedepth < 0)
+		return nodedepth;
+	return fdt_supernode_atdepth_offset(fdt, nodeoffset,
+					    nodedepth - 1, NULL);
+}
+
+int fdt_node_offset_by_prop_value(const void *fdt, int startoffset,
+				  const char *propname,
+				  const void *propval, int proplen)
+{
+	int offset;
+	const void *val;
+	int len;
+
+	CHECK_HEADER(fdt);
+
+	/* FIXME: The algorithm here is pretty horrible: we scan each
+	 * property of a node in fdt_getprop(), then if that didn't
+	 * find what we want, we scan over them again making our way
+	 * to the next node.  Still it's the easiest to implement
+	 * approach; performance can come later. */
+	for (offset = fdt_next_node(fdt, startoffset, NULL);
+	     offset >= 0;
+	     offset = fdt_next_node(fdt, offset, NULL)) {
+		val = fdt_getprop(fdt, offset, propname, &len);
+		if (val && (len == proplen)
+		    && (memcmp(val, propval, len) == 0))
+			return offset;
+	}
+
+	return offset; /* error from fdt_next_node() */
+}
+
+int fdt_node_offset_by_phandle(const void *fdt, uint32_t phandle)
+{
+	if ((phandle == 0) || (phandle == -1))
+		return -FDT_ERR_BADPHANDLE;
+	phandle = cpu_to_fdt32(phandle);
+	return fdt_node_offset_by_prop_value(fdt, -1, "linux,phandle",
+					     &phandle, sizeof(phandle));
+}
+
+int _stringlist_contains(const void *strlist, int listlen, const char *str)
+{
+	int len = strlen(str);
+	const void *p;
+
+	while (listlen >= len) {
+		if (memcmp(str, strlist, len+1) == 0)
+			return 1;
+		p = memchr(strlist, '\0', listlen);
+		if (!p)
+			return 0; /* malformed strlist.. */
+		listlen -= (p-strlist) + 1;
+		strlist = p + 1;
+	}
+	return 0;
+}
+
+int fdt_node_check_compatible(const void *fdt, int nodeoffset,
+			      const char *compatible)
+{
+	const void *prop;
+	int len;
+
+	prop = fdt_getprop(fdt, nodeoffset, "compatible", &len);
+	if (!prop)
+		return len;
+	if (_stringlist_contains(prop, len, compatible))
+		return 0;
+	else
+		return 1;
+}
+
+int fdt_node_offset_by_compatible(const void *fdt, int startoffset,
+				  const char *compatible)
+{
+	int offset, err;
+
+	CHECK_HEADER(fdt);
+
+	/* FIXME: The algorithm here is pretty horrible: we scan each
+	 * property of a node in fdt_node_check_compatible(), then if
+	 * that didn't find what we want, we scan over them again
+	 * making our way to the next node.  Still it's the easiest to
+	 * implement approach; performance can come later. */
+	for (offset = fdt_next_node(fdt, startoffset, NULL);
+	     offset >= 0;
+	     offset = fdt_next_node(fdt, offset, NULL)) {
+		err = fdt_node_check_compatible(fdt, offset, compatible);
+		if ((err < 0) && (err != -FDT_ERR_NOTFOUND))
+			return err;
+		else if (err == 0)
+			return offset;
+	}
+
+	return offset; /* error from fdt_next_node() */
+}

kvm/libfdt/fdt_rw.c

@@ -0,0 +1,467 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * libfdt is dual licensed: you can use it either under the terms of
+ * the GPL, or the BSD license, at your option.
+ *
+ *  a) This library is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This library is distributed in the hope that 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 library; if not, write to the Free
+ *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ *     MA 02110-1301 USA
+ *
+ * Alternatively,
+ *
+ *  b) Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *     1. Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *     2. Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "libfdt_env.h"
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "libfdt_internal.h"
+
+static int _blocks_misordered(const void *fdt,
+			      int mem_rsv_size, int struct_size)
+{
+	return (fdt_off_mem_rsvmap(fdt) < ALIGN(sizeof(struct fdt_header), 8))
+		|| (fdt_off_dt_struct(fdt) <
+		    (fdt_off_mem_rsvmap(fdt) + mem_rsv_size))
+		|| (fdt_off_dt_strings(fdt) <
+		    (fdt_off_dt_struct(fdt) + struct_size))
+		|| (fdt_totalsize(fdt) <
+		    (fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt)));
+}
+
+static int rw_check_header(void *fdt)
+{
+	CHECK_HEADER(fdt);
+
+	if (fdt_version(fdt) < 17)
+		return -FDT_ERR_BADVERSION;
+	if (_blocks_misordered(fdt, sizeof(struct fdt_reserve_entry),
+			       fdt_size_dt_struct(fdt)))
+		return -FDT_ERR_BADLAYOUT;
+	if (fdt_version(fdt) > 17)
+		fdt_set_version(fdt, 17);
+
+	return 0;
+}
+
+#define RW_CHECK_HEADER(fdt) \
+	{ \
+		int err; \
+		if ((err = rw_check_header(fdt)) != 0) \
+			return err; \
+	}
+
+static inline int _blob_data_size(void *fdt)
+{
+	return fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt);
+}
+
+static int _blob_splice(void *fdt, void *p, int oldlen, int newlen)
+{
+	void *end = fdt + _blob_data_size(fdt);
+
+	if (((p + oldlen) < p) || ((p + oldlen) > end))
+		return -FDT_ERR_BADOFFSET;
+	if ((end - oldlen + newlen) > (fdt + fdt_totalsize(fdt)))
+		return -FDT_ERR_NOSPACE;
+	memmove(p + newlen, p + oldlen, end - p - oldlen);
+	return 0;
+}
+
+static int _blob_splice_mem_rsv(void *fdt, struct fdt_reserve_entry *p,
+				int oldn, int newn)
+{
+	int delta = (newn - oldn) * sizeof(*p);
+	int err;
+	err = _blob_splice(fdt, p, oldn * sizeof(*p), newn * sizeof(*p));
+	if (err)
+		return err;
+	fdt_set_off_dt_struct(fdt, fdt_off_dt_struct(fdt) + delta);
+	fdt_set_off_dt_strings(fdt, fdt_off_dt_strings(fdt) + delta);
+	return 0;
+}
+
+static int _blob_splice_struct(void *fdt, void *p,
+			       int oldlen, int newlen)
+{
+	int delta = newlen - oldlen;
+	int err;
+
+	if ((err = _blob_splice(fdt, p, oldlen, newlen)))
+		return err;
+
+	fdt_set_size_dt_struct(fdt, fdt_size_dt_struct(fdt) + delta);
+	fdt_set_off_dt_strings(fdt, fdt_off_dt_strings(fdt) + delta);
+	return 0;
+}
+
+static int _blob_splice_string(void *fdt, int newlen)
+{
+	void *p = fdt + fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt);
+	int err;
+
+	if ((err = _blob_splice(fdt, p, 0, newlen)))
+		return err;
+
+	fdt_set_size_dt_strings(fdt, fdt_size_dt_strings(fdt) + newlen);
+	return 0;
+}
+
+static int _find_add_string(void *fdt, const char *s)
+{
+	char *strtab = (char *)fdt + fdt_off_dt_strings(fdt);
+	const char *p;
+	char *new;
+	int len = strlen(s) + 1;
+	int err;
+
+	p = _fdt_find_string(strtab, fdt_size_dt_strings(fdt), s);
+	if (p)
+		/* found it */
+		return (p - strtab);
+
+	new = strtab + fdt_size_dt_strings(fdt);
+	err = _blob_splice_string(fdt, len);
+	if (err)
+		return err;
+
+	memcpy(new, s, len);
+	return (new - strtab);
+}
+
+int fdt_add_mem_rsv(void *fdt, uint64_t address, uint64_t size)
+{
+	struct fdt_reserve_entry *re;
+	int err;
+
+	if ((err = rw_check_header(fdt)))
+		return err;
+
+	re = _fdt_mem_rsv_w(fdt, fdt_num_mem_rsv(fdt));
+	err = _blob_splice_mem_rsv(fdt, re, 0, 1);
+	if (err)
+		return err;
+
+	re->address = cpu_to_fdt64(address);
+	re->size = cpu_to_fdt64(size);
+	return 0;
+}
+
+int fdt_del_mem_rsv(void *fdt, int n)
+{
+	struct fdt_reserve_entry *re = _fdt_mem_rsv_w(fdt, n);
+	int err;
+
+	if ((err = rw_check_header(fdt)))
+		return err;
+	if (n >= fdt_num_mem_rsv(fdt))
+		return -FDT_ERR_NOTFOUND;
+
+	err = _blob_splice_mem_rsv(fdt, re, 1, 0);
+	if (err)
+		return err;
+	return 0;
+}
+
+static int _resize_property(void *fdt, int nodeoffset, const char *name, int len,
+			    struct fdt_property **prop)
+{
+	int oldlen;
+	int err;
+
+	*prop = fdt_get_property_w(fdt, nodeoffset, name, &oldlen);
+	if (! (*prop))
+		return oldlen;
+
+	if ((err = _blob_splice_struct(fdt, (*prop)->data,
+				       ALIGN(oldlen, FDT_TAGSIZE),
+				       ALIGN(len, FDT_TAGSIZE))))
+		return err;
+
+	(*prop)->len = cpu_to_fdt32(len);
+	return 0;
+}
+
+static int _add_property(void *fdt, int nodeoffset, const char *name, int len,
+			 struct fdt_property **prop)
+{
+	uint32_t tag;
+	int proplen;
+	int nextoffset;
+	int namestroff;
+	int err;
+
+	tag = fdt_next_tag(fdt, nodeoffset, &nextoffset);
+	if (tag != FDT_BEGIN_NODE)
+		return -FDT_ERR_BADOFFSET;
+
+	namestroff = _find_add_string(fdt, name);
+	if (namestroff < 0)
+		return namestroff;
+
+	*prop = _fdt_offset_ptr_w(fdt, nextoffset);
+	proplen = sizeof(**prop) + ALIGN(len, FDT_TAGSIZE);
+
+	err = _blob_splice_struct(fdt, *prop, 0, proplen);
+	if (err)
+		return err;
+
+	(*prop)->tag = cpu_to_fdt32(FDT_PROP);
+	(*prop)->nameoff = cpu_to_fdt32(namestroff);
+	(*prop)->len = cpu_to_fdt32(len);
+	return 0;
+}
+
+int fdt_set_name(void *fdt, int nodeoffset, const char *name)
+{
+	char *namep;
+	int oldlen, newlen;
+	int err;
+
+	if ((err = rw_check_header(fdt)))
+		return err;
+
+	namep = (char *)fdt_get_name(fdt, nodeoffset, &oldlen);
+	if (!namep)
+		return oldlen;
+
+	newlen = strlen(name);
+
+	err = _blob_splice_struct(fdt, namep, ALIGN(oldlen+1, FDT_TAGSIZE),
+				  ALIGN(newlen+1, FDT_TAGSIZE));
+	if (err)
+		return err;
+
+	memcpy(namep, name, newlen+1);
+	return 0;
+}
+
+int fdt_setprop(void *fdt, int nodeoffset, const char *name,
+		const void *val, int len)
+{
+	struct fdt_property *prop;
+	int err;
+
+	if ((err = rw_check_header(fdt)))
+		return err;
+
+	err = _resize_property(fdt, nodeoffset, name, len, &prop);
+	if (err == -FDT_ERR_NOTFOUND)
+		err = _add_property(fdt, nodeoffset, name, len, &prop);
+	if (err)
+		return err;
+
+	memcpy(prop->data, val, len);
+	return 0;
+}
+
+int fdt_delprop(void *fdt, int nodeoffset, const char *name)
+{
+	struct fdt_property *prop;
+	int len, proplen;
+
+	RW_CHECK_HEADER(fdt);
+
+	prop = fdt_get_property_w(fdt, nodeoffset, name, &len);
+	if (! prop)
+		return len;
+
+	proplen = sizeof(*prop) + ALIGN(len, FDT_TAGSIZE);
+	return _blob_splice_struct(fdt, prop, proplen, 0);
+}
+
+int fdt_add_subnode_namelen(void *fdt, int parentoffset,
+			    const char *name, int namelen)
+{
+	struct fdt_node_header *nh;
+	int offset, nextoffset;
+	int nodelen;
+	int err;
+	uint32_t tag;
+	uint32_t *endtag;
+
+	RW_CHECK_HEADER(fdt);
+
+	offset = fdt_subnode_offset_namelen(fdt, parentoffset, name, namelen);
+	if (offset >= 0)
+		return -FDT_ERR_EXISTS;
+	else if (offset != -FDT_ERR_NOTFOUND)
+		return offset;
+
+	/* Try to place the new node after the parent's properties */
+	fdt_next_tag(fdt, parentoffset, &nextoffset); /* skip the BEGIN_NODE */
+	do {
+		offset = nextoffset;
+		tag = fdt_next_tag(fdt, offset, &nextoffset);
+	} while ((tag == FDT_PROP) || (tag == FDT_NOP));
+
+	nh = _fdt_offset_ptr_w(fdt, offset);
+	nodelen = sizeof(*nh) + ALIGN(namelen+1, FDT_TAGSIZE) + FDT_TAGSIZE;
+
+	err = _blob_splice_struct(fdt, nh, 0, nodelen);
+	if (err)
+		return err;
+
+	nh->tag = cpu_to_fdt32(FDT_BEGIN_NODE);
+	memset(nh->name, 0, ALIGN(namelen+1, FDT_TAGSIZE));
+	memcpy(nh->name, name, namelen);
+	endtag = (uint32_t *)((void *)nh + nodelen - FDT_TAGSIZE);
+	*endtag = cpu_to_fdt32(FDT_END_NODE);
+
+	return offset;
+}
+
+int fdt_add_subnode(void *fdt, int parentoffset, const char *name)
+{
+	return fdt_add_subnode_namelen(fdt, parentoffset, name, strlen(name));
+}
+
+int fdt_del_node(void *fdt, int nodeoffset)
+{
+	int endoffset;
+
+	RW_CHECK_HEADER(fdt);
+
+	endoffset = _fdt_node_end_offset(fdt, nodeoffset);
+	if (endoffset < 0)
+		return endoffset;
+
+	return _blob_splice_struct(fdt, _fdt_offset_ptr_w(fdt, nodeoffset),
+				   endoffset - nodeoffset, 0);
+}
+
+static void _packblocks(const void *fdt, void *buf,
+		       int mem_rsv_size, int struct_size)
+{
+	int mem_rsv_off, struct_off, strings_off;
+
+	mem_rsv_off = ALIGN(sizeof(struct fdt_header), 8);
+	struct_off = mem_rsv_off + mem_rsv_size;
+	strings_off = struct_off + struct_size;
+
+	memmove(buf + mem_rsv_off, fdt + fdt_off_mem_rsvmap(fdt), mem_rsv_size);
+	fdt_set_off_mem_rsvmap(buf, mem_rsv_off);
+
+	memmove(buf + struct_off, fdt + fdt_off_dt_struct(fdt), struct_size);
+	fdt_set_off_dt_struct(buf, struct_off);
+	fdt_set_size_dt_struct(buf, struct_size);
+
+	memmove(buf + strings_off, fdt + fdt_off_dt_strings(fdt),
+		fdt_size_dt_strings(fdt));
+	fdt_set_off_dt_strings(buf, strings_off);
+	fdt_set_size_dt_strings(buf, fdt_size_dt_strings(fdt));
+}
+
+int fdt_open_into(const void *fdt, void *buf, int bufsize)
+{
+	int err;
+	int mem_rsv_size, struct_size;
+	int newsize;
+	void *tmp;
+
+	CHECK_HEADER(fdt);
+
+	mem_rsv_size = (fdt_num_mem_rsv(fdt)+1)
+		* sizeof(struct fdt_reserve_entry);
+
+	if (fdt_version(fdt) >= 17) {
+		struct_size = fdt_size_dt_struct(fdt);
+	} else {
+		struct_size = 0;
+		while (fdt_next_tag(fdt, struct_size, &struct_size) != FDT_END)
+			;
+	}
+
+	if (!_blocks_misordered(fdt, mem_rsv_size, struct_size)) {
+		/* no further work necessary */
+		err = fdt_move(fdt, buf, bufsize);
+		if (err)
+			return err;
+		fdt_set_version(buf, 17);
+		fdt_set_size_dt_struct(buf, struct_size);
+		fdt_set_totalsize(buf, bufsize);
+		return 0;
+	}
+
+	/* Need to reorder */
+	newsize = ALIGN(sizeof(struct fdt_header), 8) + mem_rsv_size
+		+ struct_size + fdt_size_dt_strings(fdt);
+
+	if (bufsize < newsize)
+		return -FDT_ERR_NOSPACE;
+
+	if (((buf + newsize) <= fdt)
+	    || (buf >= (fdt + fdt_totalsize(fdt)))) {
+		tmp = buf;
+	} else {
+		tmp = (void *)fdt + fdt_totalsize(fdt);
+		if ((tmp + newsize) > (buf + bufsize))
+			return -FDT_ERR_NOSPACE;
+	}
+
+	_packblocks(fdt, tmp, mem_rsv_size, struct_size);
+	memmove(buf, tmp, newsize);
+
+	fdt_set_magic(buf, FDT_MAGIC);
+	fdt_set_totalsize(buf, bufsize);
+	fdt_set_version(buf, 17);
+	fdt_set_last_comp_version(buf, 16);
+	fdt_set_boot_cpuid_phys(buf, fdt_boot_cpuid_phys(fdt));
+
+	return 0;
+}
+
+int fdt_pack(void *fdt)
+{
+	int mem_rsv_size;
+	int err;
+
+	err = rw_check_header(fdt);
+	if (err)
+		return err;
+
+	mem_rsv_size = (fdt_num_mem_rsv(fdt)+1)
+		* sizeof(struct fdt_reserve_entry);
+	_packblocks(fdt, fdt, mem_rsv_size, fdt_size_dt_struct(fdt));
+	fdt_set_totalsize(fdt, _blob_data_size(fdt));
+
+	return 0;
+}

kvm/libfdt/fdt_strerror.c

@@ -0,0 +1,96 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * libfdt is dual licensed: you can use it either under the terms of
+ * the GPL, or the BSD license, at your option.
+ *
+ *  a) This library is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This library is distributed in the hope that 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 library; if not, write to the Free
+ *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ *     MA 02110-1301 USA
+ *
+ * Alternatively,
+ *
+ *  b) Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *     1. Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *     2. Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "libfdt_env.h"
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "libfdt_internal.h"
+
+struct errtabent {
+	const char *str;
+};
+
+#define ERRTABENT(val) \
+	[(val)] = { .str = #val, }
+
+static struct errtabent errtable[] = {
+	ERRTABENT(FDT_ERR_NOTFOUND),
+	ERRTABENT(FDT_ERR_EXISTS),
+	ERRTABENT(FDT_ERR_NOSPACE),
+
+	ERRTABENT(FDT_ERR_BADOFFSET),
+	ERRTABENT(FDT_ERR_BADPATH),
+	ERRTABENT(FDT_ERR_BADSTATE),
+
+	ERRTABENT(FDT_ERR_TRUNCATED),
+	ERRTABENT(FDT_ERR_BADMAGIC),
+	ERRTABENT(FDT_ERR_BADVERSION),
+	ERRTABENT(FDT_ERR_BADSTRUCTURE),
+	ERRTABENT(FDT_ERR_BADLAYOUT),
+};
+#define ERRTABSIZE	(sizeof(errtable) / sizeof(errtable[0]))
+
+const char *fdt_strerror(int errval)
+{
+	if (errval > 0)
+		return "<valid offset/length>";
+	else if (errval == 0)
+		return "<no error>";
+	else if (errval > -ERRTABSIZE) {
+		const char *s = errtable[-errval].str;
+
+		if (s)
+			return s;
+	}
+
+	return "<unknown error>";
+}

kvm/libfdt/fdt_sw.c

@@ -0,0 +1,258 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * libfdt is dual licensed: you can use it either under the terms of
+ * the GPL, or the BSD license, at your option.
+ *
+ *  a) This library is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This library is distributed in the hope that 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 library; if not, write to the Free
+ *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ *     MA 02110-1301 USA
+ *
+ * Alternatively,
+ *
+ *  b) Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *     1. Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *     2. Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "libfdt_env.h"
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "libfdt_internal.h"
+
+static int check_header_sw(void *fdt)
+{
+	if (fdt_magic(fdt) != SW_MAGIC)
+		return -FDT_ERR_BADMAGIC;
+	return 0;
+}
+
+static void *grab_space(void *fdt, int len)
+{
+	int offset = fdt_size_dt_struct(fdt);
+	int spaceleft;
+
+	spaceleft = fdt_totalsize(fdt) - fdt_off_dt_struct(fdt)
+		- fdt_size_dt_strings(fdt);
+
+	if ((offset + len < offset) || (offset + len > spaceleft))
+		return NULL;
+
+	fdt_set_size_dt_struct(fdt, offset + len);
+	return fdt_offset_ptr_w(fdt, offset, len);
+}
+
+int fdt_create(void *buf, int bufsize)
+{
+	void *fdt = buf;
+
+	if (bufsize < sizeof(struct fdt_header))
+		return -FDT_ERR_NOSPACE;
+
+	memset(buf, 0, bufsize);
+
+	fdt_set_magic(fdt, SW_MAGIC);
+	fdt_set_version(fdt, FDT_LAST_SUPPORTED_VERSION);
+	fdt_set_last_comp_version(fdt, FDT_FIRST_SUPPORTED_VERSION);
+	fdt_set_totalsize(fdt,  bufsize);
+
+	fdt_set_off_mem_rsvmap(fdt, ALIGN(sizeof(struct fdt_header),
+					  sizeof(struct fdt_reserve_entry)));
+	fdt_set_off_dt_struct(fdt, fdt_off_mem_rsvmap(fdt));
+	fdt_set_off_dt_strings(fdt, bufsize);
+
+	return 0;
+}
+
+int fdt_add_reservemap_entry(void *fdt, uint64_t addr, uint64_t size)
+{
+	struct fdt_reserve_entry *re;
+	int err = check_header_sw(fdt);
+	int offset;
+
+	if (err)
+		return err;
+	if (fdt_size_dt_struct(fdt))
+		return -FDT_ERR_BADSTATE;
+
+	offset = fdt_off_dt_struct(fdt);
+	if ((offset + sizeof(*re)) > fdt_totalsize(fdt))
+		return -FDT_ERR_NOSPACE;
+
+	re = (struct fdt_reserve_entry *)(fdt + offset);
+	re->address = cpu_to_fdt64(addr);
+	re->size = cpu_to_fdt64(size);
+
+	fdt_set_off_dt_struct(fdt, offset + sizeof(*re));
+
+	return 0;
+}
+
+int fdt_finish_reservemap(void *fdt)
+{
+	return fdt_add_reservemap_entry(fdt, 0, 0);
+}
+
+int fdt_begin_node(void *fdt, const char *name)
+{
+	struct fdt_node_header *nh;
+	int err = check_header_sw(fdt);
+	int namelen = strlen(name) + 1;
+
+	if (err)
+		return err;
+
+	nh = grab_space(fdt, sizeof(*nh) + ALIGN(namelen, FDT_TAGSIZE));
+	if (! nh)
+		return -FDT_ERR_NOSPACE;
+
+	nh->tag = cpu_to_fdt32(FDT_BEGIN_NODE);
+	memcpy(nh->name, name, namelen);
+	return 0;
+}
+
+int fdt_end_node(void *fdt)
+{
+	uint32_t *en;
+	int err = check_header_sw(fdt);
+
+	if (err)
+		return err;
+
+	en = grab_space(fdt, FDT_TAGSIZE);
+	if (! en)
+		return -FDT_ERR_NOSPACE;
+
+	*en = cpu_to_fdt32(FDT_END_NODE);
+	return 0;
+}
+
+static int find_add_string(void *fdt, const char *s)
+{
+	char *strtab = (char *)fdt + fdt_totalsize(fdt);
+	const char *p;
+	int strtabsize = fdt_size_dt_strings(fdt);
+	int len = strlen(s) + 1;
+	int struct_top, offset;
+
+	p = _fdt_find_string(strtab - strtabsize, strtabsize, s);
+	if (p)
+		return p - strtab;
+
+	/* Add it */
+	offset = -strtabsize - len;
+	struct_top = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt);
+	if (fdt_totalsize(fdt) + offset < struct_top)
+		return 0; /* no more room :( */
+
+	memcpy(strtab + offset, s, len);
+	fdt_set_size_dt_strings(fdt, strtabsize + len);
+	return offset;
+}
+
+int fdt_property(void *fdt, const char *name, const void *val, int len)
+{
+	struct fdt_property *prop;
+	int err = check_header_sw(fdt);
+	int nameoff;
+
+	if (err)
+		return err;
+
+	nameoff = find_add_string(fdt, name);
+	if (nameoff == 0)
+		return -FDT_ERR_NOSPACE;
+
+	prop = grab_space(fdt, sizeof(*prop) + ALIGN(len, FDT_TAGSIZE));
+	if (! prop)
+		return -FDT_ERR_NOSPACE;
+
+	prop->tag = cpu_to_fdt32(FDT_PROP);
+	prop->nameoff = cpu_to_fdt32(nameoff);
+	prop->len = cpu_to_fdt32(len);
+	memcpy(prop->data, val, len);
+	return 0;
+}
+
+int fdt_finish(void *fdt)
+{
+	int err = check_header_sw(fdt);
+	char *p = (char *)fdt;
+	uint32_t *end;
+	int oldstroffset, newstroffset;
+	uint32_t tag;
+	int offset, nextoffset;
+
+	if (err)
+		return err;
+
+	/* Add terminator */
+	end = grab_space(fdt, sizeof(*end));
+	if (! end)
+		return -FDT_ERR_NOSPACE;
+	*end = cpu_to_fdt32(FDT_END);
+
+	/* Relocate the string table */
+	oldstroffset = fdt_totalsize(fdt) - fdt_size_dt_strings(fdt);
+	newstroffset = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt);
+	memmove(p + newstroffset, p + oldstroffset, fdt_size_dt_strings(fdt));
+	fdt_set_off_dt_strings(fdt, newstroffset);
+
+	/* Walk the structure, correcting string offsets */
+	offset = 0;
+	while ((tag = fdt_next_tag(fdt, offset, &nextoffset)) != FDT_END) {
+		if (tag == FDT_PROP) {
+			struct fdt_property *prop =
+				fdt_offset_ptr_w(fdt, offset, sizeof(*prop));
+			int nameoff;
+
+			if (! prop)
+				return -FDT_ERR_BADSTRUCTURE;
+
+			nameoff = fdt32_to_cpu(prop->nameoff);
+			nameoff += fdt_size_dt_strings(fdt);
+			prop->nameoff = cpu_to_fdt32(nameoff);
+		}
+		offset = nextoffset;
+	}
+
+	/* Finally, adjust the header */
+	fdt_set_totalsize(fdt, newstroffset + fdt_size_dt_strings(fdt));
+	fdt_set_magic(fdt, FDT_MAGIC);
+	return 0;
+}

kvm/libfdt/fdt_wip.c

@@ -0,0 +1,144 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * libfdt is dual licensed: you can use it either under the terms of
+ * the GPL, or the BSD license, at your option.
+ *
+ *  a) This library is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This library is distributed in the hope that 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 library; if not, write to the Free
+ *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ *     MA 02110-1301 USA
+ *
+ * Alternatively,
+ *
+ *  b) Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *     1. Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *     2. Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "libfdt_env.h"
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "libfdt_internal.h"
+
+int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name,
+			const void *val, int len)
+{
+	void *propval;
+	int proplen;
+
+	propval = fdt_getprop_w(fdt, nodeoffset, name, &proplen);
+	if (! propval)
+		return proplen;
+
+	if (proplen != len)
+		return -FDT_ERR_NOSPACE;
+
+	memcpy(propval, val, len);
+	return 0;
+}
+
+static void nop_region(void *start, int len)
+{
+	uint32_t *p;
+
+	for (p = start; (void *)p < (start + len); p++)
+		*p = cpu_to_fdt32(FDT_NOP);
+}
+
+int fdt_nop_property(void *fdt, int nodeoffset, const char *name)
+{
+	struct fdt_property *prop;
+	int len;
+
+	prop = fdt_get_property_w(fdt, nodeoffset, name, &len);
+	if (! prop)
+		return len;
+
+	nop_region(prop, len + sizeof(*prop));
+
+	return 0;
+}
+
+int _fdt_node_end_offset(void *fdt, int nodeoffset)
+{
+	int level = 0;
+	uint32_t tag;
+	int offset, nextoffset;
+
+	tag = fdt_next_tag(fdt, nodeoffset, &nextoffset);
+	if (tag != FDT_BEGIN_NODE)
+		return -FDT_ERR_BADOFFSET;
+	do {
+		offset = nextoffset;
+		tag = fdt_next_tag(fdt, offset, &nextoffset);
+
+		switch (tag) {
+		case FDT_END:
+			return offset;
+
+		case FDT_BEGIN_NODE:
+			level++;
+			break;
+
+		case FDT_END_NODE:
+			level--;
+			break;
+
+		case FDT_PROP:
+		case FDT_NOP:
+			break;
+
+		default:
+			return -FDT_ERR_BADSTRUCTURE;
+		}
+	} while (level >= 0);
+
+	return nextoffset;
+}
+
+int fdt_nop_node(void *fdt, int nodeoffset)
+{
+	int endoffset;
+
+	endoffset = _fdt_node_end_offset(fdt, nodeoffset);
+	if (endoffset < 0)
+		return endoffset;
+
+	nop_region(fdt_offset_ptr_w(fdt, nodeoffset, 0), endoffset - nodeoffset);
+	return 0;
+}

kvm/libfdt/libfdt_env.h

@@ -0,0 +1,22 @@
+#ifndef _LIBFDT_ENV_H
+#define _LIBFDT_ENV_H
+
+#include <stddef.h>
+#include <stdint.h>
+#include <string.h>
+#include <endian.h>
+#include <byteswap.h>
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+#define fdt32_to_cpu(x)		(x)
+#define cpu_to_fdt32(x)		(x)
+#define fdt64_to_cpu(x)		(x)
+#define cpu_to_fdt64(x)		(x)
+#else
+#define fdt32_to_cpu(x)		(bswap_32((x)))
+#define cpu_to_fdt32(x)		(bswap_32((x)))
+#define fdt64_to_cpu(x)		(bswap_64((x)))
+#define cpu_to_fdt64(x)		(bswap_64((x)))
+#endif
+
+#endif /* _LIBFDT_ENV_H */

kvm/libfdt/libfdt_internal.h

@@ -0,0 +1,96 @@
+#ifndef _LIBFDT_INTERNAL_H
+#define _LIBFDT_INTERNAL_H
+/*
+ * libfdt - Flat Device Tree manipulation
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * libfdt is dual licensed: you can use it either under the terms of
+ * the GPL, or the BSD license, at your option.
+ *
+ *  a) This library is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This library is distributed in the hope that 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 library; if not, write to the Free
+ *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ *     MA 02110-1301 USA
+ *
+ * Alternatively,
+ *
+ *  b) Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *     1. Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *     2. Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <fdt.h>
+
+#define ALIGN(x, a)	(((x) + (a) - 1) & ~((a) - 1))
+#define PALIGN(p, a)	((void *)ALIGN((unsigned long)(p), (a)))
+
+#define memeq(p, q, n)	(memcmp((p), (q), (n)) == 0)
+#define streq(p, q)	(strcmp((p), (q)) == 0)
+
+#define CHECK_HEADER(fdt) \
+	{ \
+		int err; \
+		if ((err = fdt_check_header(fdt)) != 0) \
+			return err; \
+	}
+
+uint32_t _fdt_next_tag(const void *fdt, int startoffset, int *nextoffset);
+const char *_fdt_find_string(const char *strtab, int tabsize, const char *s);
+int _fdt_node_end_offset(void *fdt, int nodeoffset);
+
+static inline const void *_fdt_offset_ptr(const void *fdt, int offset)
+{
+	return fdt + fdt_off_dt_struct(fdt) + offset;
+}
+
+static inline void *_fdt_offset_ptr_w(void *fdt, int offset)
+{
+	return (void *)_fdt_offset_ptr(fdt, offset);
+}
+
+static inline const struct fdt_reserve_entry *_fdt_mem_rsv(const void *fdt, int n)
+{
+	const struct fdt_reserve_entry *rsv_table =
+		fdt + fdt_off_mem_rsvmap(fdt);
+
+	return rsv_table + n;
+}
+static inline struct fdt_reserve_entry *_fdt_mem_rsv_w(void *fdt, int n)
+{
+	return (void *)_fdt_mem_rsv(fdt, n);
+}
+
+#define SW_MAGIC		(~FDT_MAGIC)
+
+#endif /* _LIBFDT_INTERNAL_H */

kvm/libkvm/Makefile

@@ -0,0 +1,54 @@
+all: libkvm.a
+
+include ../../config-host.mak
+ifneq ($(VPATH),)
+srcdir=$(VPATH)/kvm/libkvm
+else
+srcdir=.
+endif
+
+include $(srcdir)/config-$(ARCH).mak
+
+
+# libkvm is not -Wredundant-decls friendly yet
+CFLAGS += -Wno-redundant-decls
+
+# cc-option
+# Usage: OP_CFLAGS+=$(call cc-option, -falign-functions=0, -malign-functions=0)
+cc-option = $(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null \
+              > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
+
+CFLAGS += $(autodepend-flags) -g -fomit-frame-pointer -Wall
+CFLAGS += $(call cc-option, -fno-stack-protector, "")
+CFLAGS += $(call cc-option, -fno-stack-protector-all, "")
+CFLAGS += $(KVM_CFLAGS)
+
+LDFLAGS += $(CFLAGS)
+
+CXXFLAGS = $(autodepend-flags)
+
+VPATH:=$(VPATH)/kvm/libkvm
+
+autodepend-flags = -MMD -MF $(dir $*).$(notdir $*).d
+
+
+libkvm.a: libkvm.o $(libkvm-$(ARCH)-objs)
+	$(AR) rcs $@ $^
+
+install:
+	@echo skipping libkvm install
+
+install-libkvm:
+	install -D libkvm.h $(DESTDIR)/$(PREFIX)/include/libkvm.h
+	install -D libkvm.a $(DESTDIR)/$(PREFIX)/$(LIBDIR)/libkvm.a
+
+install-kernel-headers:
+	install -D $(LIBKVM_KERNELDIR)/include/linux/kvm.h \
+		$(DESTDIR)/$(PREFIX)/include/linux/kvm.h
+	install -D $(LIBKVM_KERNELDIR)/include/linux/kvm_para.h \
+		$(DESTDIR)/$(PREFIX)/include/linux/kvm_para.h
+
+-include .*.d
+
+clean:
+	$(RM) *.o *.a .*.d

kvm/libkvm/config-i386.mak

@@ -0,0 +1,6 @@
+
+LIBDIR := /lib
+CFLAGS += -m32
+CFLAGS += -D__i386__
+
+libkvm-$(ARCH)-objs := libkvm-x86.o

kvm/libkvm/config-ia64.mak

@@ -0,0 +1,5 @@
+
+LIBDIR := /lib
+CFLAGS += -D__ia64__
+
+libkvm-$(ARCH)-objs := libkvm-ia64.o

kvm/libkvm/config-ppc.mak

@@ -0,0 +1,4 @@
+
+LIBDIR := /lib
+
+libkvm-$(ARCH)-objs := libkvm-powerpc.o

kvm/libkvm/config-s390.mak

@@ -0,0 +1,3 @@
+# s390 31bit mode
+LIBDIR := /lib
+libkvm-$(ARCH)-objs := libkvm-s390.o

kvm/libkvm/config-s390x.mak

@@ -0,0 +1,3 @@
+# s390 64 bit mode (arch=s390x)
+LIBDIR := /lib64
+libkvm-$(ARCH)-objs := libkvm-s390.o

kvm/libkvm/config-x86_64.mak

@@ -0,0 +1,6 @@
+
+LIBDIR := /lib64
+CFLAGS += -m64
+CFLAGS += -D__x86_64__
+
+libkvm-$(ARCH)-objs := libkvm-x86.o

kvm/libkvm/kvm-common.h

@@ -0,0 +1,94 @@
+/*
+ * This header is for functions & variables that will ONLY be
+ * used inside libkvm.
+ *
+ * derived from libkvm.c
+ *
+ * Copyright (C) 2006 Qumranet, Inc.
+ *
+ * Authors:
+ *	Avi Kivity   <avi@qumranet.com>
+ *	Yaniv Kamay  <yaniv@qumranet.com>
+ *
+ *   This work is licensed under the GNU LGPL license, version 2.
+ */
+
+#ifndef KVM_COMMON_H
+#define KVM_COMMON_H
+
+/* FIXME: share this number with kvm */
+/* FIXME: or dynamically alloc/realloc regions */
+#ifdef __s390__
+#define KVM_MAX_NUM_MEM_REGIONS 1u
+#define MAX_VCPUS 64
+#define LIBKVM_S390_ORIGIN (0UL)
+#elif defined(__ia64__)
+#define KVM_MAX_NUM_MEM_REGIONS 32u
+#define MAX_VCPUS 256
+#else
+#define KVM_MAX_NUM_MEM_REGIONS 32u
+#define MAX_VCPUS 16
+#endif
+
+
+/* kvm abi verison variable */
+extern int kvm_abi;
+
+/**
+ * \brief The KVM context
+ *
+ * The verbose KVM context
+ */
+
+struct kvm_context {
+	/// Filedescriptor to /dev/kvm
+	int fd;
+	int vm_fd;
+	int vcpu_fd[MAX_VCPUS];
+	struct kvm_run *run[MAX_VCPUS];
+	/// Callbacks that KVM uses to emulate various unvirtualizable functionality
+	struct kvm_callbacks *callbacks;
+	void *opaque;
+	/// is dirty pages logging enabled for all regions or not
+	int dirty_pages_log_all;
+	/// do not create in-kernel irqchip if set
+	int no_irqchip_creation;
+	/// in-kernel irqchip status
+	int irqchip_in_kernel;
+	/// ioctl to use to inject interrupts
+	int irqchip_inject_ioctl;
+	/// do not create in-kernel pit if set
+	int no_pit_creation;
+	/// in-kernel pit status
+	int pit_in_kernel;
+	/// in-kernel coalesced mmio
+	int coalesced_mmio;
+#ifdef KVM_CAP_IRQ_ROUTING
+	struct kvm_irq_routing *irq_routes;
+	int nr_allocated_irq_routes;
+#endif
+	void *used_gsi_bitmap;
+	int max_gsi;
+};
+
+int kvm_alloc_kernel_memory(kvm_context_t kvm, unsigned long memory,
+								void **vm_mem);
+int kvm_alloc_userspace_memory(kvm_context_t kvm, unsigned long memory,
+								void **vm_mem);
+
+int kvm_arch_create(kvm_context_t kvm, unsigned long phys_mem_bytes,
+                        void **vm_mem);
+int kvm_arch_run(struct kvm_run *run, kvm_context_t kvm, int vcpu);
+
+
+void kvm_show_code(kvm_context_t kvm, int vcpu);
+
+int handle_halt(kvm_context_t kvm, int vcpu);
+int handle_shutdown(kvm_context_t kvm, void *env);
+void post_kvm_run(kvm_context_t kvm, void *env);
+int pre_kvm_run(kvm_context_t kvm, void *env);
+int handle_io_window(kvm_context_t kvm);
+int handle_debug(kvm_context_t kvm, int vcpu, void *env);
+int try_push_interrupts(kvm_context_t kvm);
+
+#endif

kvm/libkvm/kvm-ia64.h

@@ -0,0 +1,31 @@
+/*
+ * This header is for functions & variables that will ONLY be
+ * used inside libkvm for x86.
+ * THESE ARE NOT EXPOSED TO THE USER AND ARE ONLY FOR USE
+ * WITHIN LIBKVM.
+ *
+ * derived from libkvm.c
+ *
+ * Copyright (C) 2006 Qumranet, Inc.
+ *
+ * Authors:
+ *	Avi Kivity   <avi@qumranet.com>
+ *	Yaniv Kamay  <yaniv@qumranet.com>
+ *
+ * This work is licensed under the GNU LGPL license, version 2.
+ */
+
+#ifndef KVM_IA64_H
+#define KVM_IA64_H
+
+#include "kvm-common.h"
+
+extern int kvm_page_size;
+
+#define PAGE_SIZE kvm_page_size
+#define PAGE_MASK (~(kvm_page_size - 1))
+
+#define ia64_mf()	asm volatile ("mf" ::: "memory")
+#define smp_wmb()	ia64_mf()
+
+#endif

kvm/libkvm/kvm-powerpc.h

@@ -0,0 +1,36 @@
+/*
+ * This header is for functions & variables that will ONLY be
+ * used inside libkvm for powerpc.
+ * THESE ARE NOT EXPOSED TO THE USER AND ARE ONLY FOR USE
+ * WITHIN LIBKVM.
+ *
+ * Copyright (C) 2006 Qumranet, Inc.
+ *
+ * Authors:
+ *	Avi Kivity   <avi@qumranet.com>
+ *	Yaniv Kamay  <yaniv@qumranet.com>
+ *
+ * Copyright 2007 IBM Corporation.
+ * Added by: Jerone Young <jyoung5@us.ibm.com>
+ *
+ * This work is licensed under the GNU LGPL license, version 2.
+ */
+
+#ifndef KVM_POWERPC_H
+#define KVM_POWERPC_H
+
+#include "kvm-common.h"
+
+extern int kvm_page_size;
+
+#define PAGE_SIZE kvm_page_size
+#define PAGE_MASK (~(PAGE_SIZE - 1))
+
+static inline void eieio(void)
+{
+	asm volatile("eieio" : : : "memory");
+}
+
+#define smp_wmb()	eieio()
+
+#endif

kvm/libkvm/kvm-s390.h

@@ -0,0 +1,31 @@
+/*
+ * This header is for functions & variables that will ONLY be
+ * used inside libkvm for s390.
+ * THESE ARE NOT EXPOSED TO THE USER AND ARE ONLY FOR USE
+ * WITHIN LIBKVM.
+ *
+ * Copyright (C) 2006 Qumranet, Inc.
+ *
+ * Authors:
+ *	Avi Kivity   <avi@qumranet.com>
+ *	Yaniv Kamay  <yaniv@qumranet.com>
+ *
+ * Copyright 2008 IBM Corporation.
+ * Authors:
+ *	Carsten Otte <cotte@de.ibm.com>
+ *
+ * This work is licensed under the GNU LGPL license, version 2.
+ */
+
+#ifndef KVM_S390_H
+#define KVM_S390_H
+
+#include <asm/ptrace.h>
+#include "kvm-common.h"
+
+#define PAGE_SIZE 4096ul
+#define PAGE_MASK (~(PAGE_SIZE - 1))
+
+#define smp_wmb()   asm volatile("" ::: "memory")
+
+#endif