26 files changed, 1943 insertions, 811 deletions

diff --git a/default-configs/i386-softmmu.mak b/default-configs/i386-softmmu.mak
index 91d602c2e3..48b57623f7 100644
--- a/default-configs/i386-softmmu.mak
+++ b/default-configs/i386-softmmu.mak
@@ -16,6 +16,7 @@ CONFIG_PCKBD=y
 CONFIG_FDC=y
 CONFIG_ACPI=y
 CONFIG_ACPI_X86=y
+CONFIG_ACPI_X86_ICH=y
 CONFIG_ACPI_MEMORY_HOTPLUG=y
 CONFIG_ACPI_CPU_HOTPLUG=y
 CONFIG_APM=y
diff --git a/default-configs/x86_64-softmmu.mak b/default-configs/x86_64-softmmu.mak
index 62575ebcd8..4962ed70af 100644
--- a/default-configs/x86_64-softmmu.mak
+++ b/default-configs/x86_64-softmmu.mak
@@ -17,6 +17,7 @@ CONFIG_PCKBD=y
 CONFIG_FDC=y
 CONFIG_ACPI=y
 CONFIG_ACPI_X86=y
+CONFIG_ACPI_X86_ICH=y
 CONFIG_ACPI_MEMORY_HOTPLUG=y
 CONFIG_ACPI_CPU_HOTPLUG=y
 CONFIG_APM=y
diff --git a/hw/acpi/Makefile.objs b/hw/acpi/Makefile.objs
index 29d46d8786..7d3230c2a5 100644
--- a/hw/acpi/Makefile.objs
+++ b/hw/acpi/Makefile.objs
@@ -1,4 +1,5 @@
-common-obj-$(CONFIG_ACPI_X86) += core.o piix4.o ich9.o pcihp.o
+common-obj-$(CONFIG_ACPI_X86) += core.o piix4.o pcihp.o
+common-obj-$(CONFIG_ACPI_X86_ICH) += ich9.o tco.o
 common-obj-$(CONFIG_ACPI_CPU_HOTPLUG) += cpu_hotplug.o
 common-obj-$(CONFIG_ACPI_MEMORY_HOTPLUG) += memory_hotplug.o
 common-obj-$(CONFIG_ACPI) += acpi_interface.o
diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
index f4dc7a84be..5fb7a879d6 100644
--- a/hw/acpi/ich9.c
+++ b/hw/acpi/ich9.c
@@ -30,6 +30,7 @@
 #include "qemu/timer.h"
 #include "sysemu/sysemu.h"
 #include "hw/acpi/acpi.h"
+#include "hw/acpi/tco.h"
 #include "sysemu/kvm.h"
 #include "exec/address-spaces.h"
 
@@ -92,8 +93,16 @@ static void ich9_smi_writel(void *opaque, hwaddr addr, uint64_t val,
                             unsigned width)
 {
     ICH9LPCPMRegs *pm = opaque;
+    TCOIORegs *tr = &pm->tco_regs;
+    uint64_t tco_en;
+
     switch (addr) {
     case 0:
+        tco_en = pm->smi_en & ICH9_PMIO_SMI_EN_TCO_EN;
+        /* once TCO_LOCK bit is set, TCO_EN bit cannot be overwritten */
+        if (tr->tco.cnt1 & TCO_LOCK) {
+            val = (val & ~ICH9_PMIO_SMI_EN_TCO_EN) | tco_en;
+        }
         pm->smi_en &= ~pm->smi_en_wmask;
         pm->smi_en |= (val & pm->smi_en_wmask);
         break;
@@ -159,6 +168,25 @@ static const VMStateDescription vmstate_memhp_state = {
     }
 };
 
+static bool vmstate_test_use_tco(void *opaque)
+{
+    ICH9LPCPMRegs *s = opaque;
+    return s->enable_tco;
+}
+
+static const VMStateDescription vmstate_tco_io_state = {
+    .name = "ich9_pm/tco",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .needed = vmstate_test_use_tco,
+    .fields      = (VMStateField[]) {
+        VMSTATE_STRUCT(tco_regs, ICH9LPCPMRegs, 1, vmstate_tco_io_sts,
+                       TCOIORegs),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
 const VMStateDescription vmstate_ich9_pm = {
     .name = "ich9_pm",
     .version_id = 1,
@@ -179,6 +207,10 @@ const VMStateDescription vmstate_ich9_pm = {
     .subsections = (const VMStateDescription*[]) {
         &vmstate_memhp_state,
         NULL
+    },
+    .subsections = (const VMStateDescription*[]) {
+        &vmstate_tco_io_state,
+        NULL
     }
 };
 
@@ -209,7 +241,8 @@ static void pm_powerdown_req(Notifier *n, void *opaque)
     acpi_pm1_evt_power_down(&pm->acpi_regs);
 }
 
-void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm, bool smm_enabled,
+void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm,
+                  bool smm_enabled, bool enable_tco,
                   qemu_irq sci_irq)
 {
     memory_region_init(&pm->io, OBJECT(lpc_pci), "ich9-pm", ICH9_PMIO_SIZE);
@@ -232,6 +265,12 @@ void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm, bool smm_enabled,
     memory_region_add_subregion(&pm->io, ICH9_PMIO_SMI_EN, &pm->io_smi);
 
     pm->smm_enabled = smm_enabled;
+
+    pm->enable_tco = enable_tco;
+    if (pm->enable_tco) {
+        acpi_pm_tco_init(&pm->tco_regs, &pm->io);
+    }
+
     pm->irq = sci_irq;
     qemu_register_reset(pm_reset, pm);
     pm->powerdown_notifier.notify = pm_powerdown_req;
@@ -352,6 +391,18 @@ out:
     error_propagate(errp, local_err);
 }
 
+static bool ich9_pm_get_enable_tco(Object *obj, Error **errp)
+{
+    ICH9LPCState *s = ICH9_LPC_DEVICE(obj);
+    return s->pm.enable_tco;
+}
+
+static void ich9_pm_set_enable_tco(Object *obj, bool value, Error **errp)
+{
+    ICH9LPCState *s = ICH9_LPC_DEVICE(obj);
+    s->pm.enable_tco = value;
+}
+
 void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm, Error **errp)
 {
     static const uint32_t gpe0_len = ICH9_PMIO_GPE0_LEN;
@@ -383,6 +434,10 @@ void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm, Error **errp)
                         ich9_pm_get_s4_val,
                         ich9_pm_set_s4_val,
                         NULL, pm, NULL);
+    object_property_add_bool(obj, ACPI_PM_PROP_TCO_ENABLED,
+                             ich9_pm_get_enable_tco,
+                             ich9_pm_set_enable_tco,
+                             NULL);
 }
 
 void ich9_pm_device_plug_cb(ICH9LPCPMRegs *pm, DeviceState *dev, Error **errp)
diff --git a/hw/acpi/tco.c b/hw/acpi/tco.c
new file mode 100644
index 0000000000..7a026c255b
--- /dev/null
+++ b/hw/acpi/tco.c
@@ -0,0 +1,264 @@
+/*
+ * QEMU ICH9 TCO emulation
+ *
+ * Copyright (c) 2015 Paulo Alcantara <pcacjr@zytor.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#include "qemu-common.h"
+#include "sysemu/watchdog.h"
+#include "hw/i386/ich9.h"
+
+#include "hw/acpi/tco.h"
+
+//#define DEBUG
+
+#ifdef DEBUG
+#define TCO_DEBUG(fmt, ...)                                     \
+    do {                                                        \
+        fprintf(stderr, "%s "fmt, __func__, ## __VA_ARGS__);    \
+    } while (0)
+#else
+#define TCO_DEBUG(fmt, ...) do { } while (0)
+#endif
+
+enum {
+    TCO_RLD_DEFAULT         = 0x0000,
+    TCO_DAT_IN_DEFAULT      = 0x00,
+    TCO_DAT_OUT_DEFAULT     = 0x00,
+    TCO1_STS_DEFAULT        = 0x0000,
+    TCO2_STS_DEFAULT        = 0x0000,
+    TCO1_CNT_DEFAULT        = 0x0000,
+    TCO2_CNT_DEFAULT        = 0x0008,
+    TCO_MESSAGE1_DEFAULT    = 0x00,
+    TCO_MESSAGE2_DEFAULT    = 0x00,
+    TCO_WDCNT_DEFAULT       = 0x00,
+    TCO_TMR_DEFAULT         = 0x0004,
+    SW_IRQ_GEN_DEFAULT      = 0x03,
+};
+
+static inline void tco_timer_reload(TCOIORegs *tr)
+{
+    tr->expire_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
+        ((int64_t)(tr->tco.tmr & TCO_TMR_MASK) * TCO_TICK_NSEC);
+    timer_mod(tr->tco_timer, tr->expire_time);
+}
+
+static inline void tco_timer_stop(TCOIORegs *tr)
+{
+    tr->expire_time = -1;
+}
+
+static void tco_timer_expired(void *opaque)
+{
+    TCOIORegs *tr = opaque;
+    ICH9LPCPMRegs *pm = container_of(tr, ICH9LPCPMRegs, tco_regs);
+    ICH9LPCState *lpc = container_of(pm, ICH9LPCState, pm);
+    uint32_t gcs = pci_get_long(lpc->chip_config + ICH9_CC_GCS);
+
+    tr->tco.rld = 0;
+    tr->tco.sts1 |= TCO_TIMEOUT;
+    if (++tr->timeouts_no == 2) {
+        tr->tco.sts2 |= TCO_SECOND_TO_STS;
+        tr->tco.sts2 |= TCO_BOOT_STS;
+        tr->timeouts_no = 0;
+
+        if (!lpc->pin_strap.spkr_hi && !(gcs & ICH9_CC_GCS_NO_REBOOT)) {
+            watchdog_perform_action();
+            tco_timer_stop(tr);
+            return;
+        }
+    }
+
+    if (pm->smi_en & ICH9_PMIO_SMI_EN_TCO_EN) {
+        ich9_generate_smi();
+    } else {
+        ich9_generate_nmi();
+    }
+    tr->tco.rld = tr->tco.tmr;
+    tco_timer_reload(tr);
+}
+
+/* NOTE: values of 0 or 1 will be ignored by ICH */
+static inline int can_start_tco_timer(TCOIORegs *tr)
+{
+    return !(tr->tco.cnt1 & TCO_TMR_HLT) && tr->tco.tmr > 1;
+}
+
+static uint32_t tco_ioport_readw(TCOIORegs *tr, uint32_t addr)
+{
+    uint16_t rld;
+
+    switch (addr) {
+    case TCO_RLD:
+        if (tr->expire_time != -1) {
+            int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
+            int64_t elapsed = (tr->expire_time - now) / TCO_TICK_NSEC;
+            rld = (uint16_t)elapsed | (tr->tco.rld & ~TCO_RLD_MASK);
+        } else {
+            rld = tr->tco.rld;
+        }
+        return rld;
+    case TCO_DAT_IN:
+        return tr->tco.din;
+    case TCO_DAT_OUT:
+        return tr->tco.dout;
+    case TCO1_STS:
+        return tr->tco.sts1;
+    case TCO2_STS:
+        return tr->tco.sts2;
+    case TCO1_CNT:
+        return tr->tco.cnt1;
+    case TCO2_CNT:
+        return tr->tco.cnt2;
+    case TCO_MESSAGE1:
+        return tr->tco.msg1;
+    case TCO_MESSAGE2:
+        return tr->tco.msg2;
+    case TCO_WDCNT:
+        return tr->tco.wdcnt;
+    case TCO_TMR:
+        return tr->tco.tmr;
+    case SW_IRQ_GEN:
+        return tr->sw_irq_gen;
+    }
+    return 0;
+}
+
+static void tco_ioport_writew(TCOIORegs *tr, uint32_t addr, uint32_t val)
+{
+    switch (addr) {
+    case TCO_RLD:
+        tr->timeouts_no = 0;
+        if (can_start_tco_timer(tr)) {
+            tr->tco.rld = tr->tco.tmr;
+            tco_timer_reload(tr);
+        } else {
+            tr->tco.rld = val;
+        }
+        break;
+    case TCO_DAT_IN:
+        tr->tco.din = val;
+        tr->tco.sts1 |= SW_TCO_SMI;
+        ich9_generate_smi();
+        break;
+    case TCO_DAT_OUT:
+        tr->tco.dout = val;
+        tr->tco.sts1 |= TCO_INT_STS;
+        /* TODO: cause an interrupt, as selected by the TCO_INT_SEL bits */
+        break;
+    case TCO1_STS:
+        tr->tco.sts1 = val & TCO1_STS_MASK;
+        break;
+    case TCO2_STS:
+        tr->tco.sts2 = val & TCO2_STS_MASK;
+        break;
+    case TCO1_CNT:
+        val &= TCO1_CNT_MASK;
+        /*
+         * once TCO_LOCK bit is set, it can not be cleared by software. a reset
+         * is required to change this bit from 1 to 0 -- it defaults to 0.
+         */
+        tr->tco.cnt1 = val | (tr->tco.cnt1 & TCO_LOCK);
+        if (can_start_tco_timer(tr)) {
+            tr->tco.rld = tr->tco.tmr;
+            tco_timer_reload(tr);
+        } else {
+            tco_timer_stop(tr);
+        }
+        break;
+    case TCO2_CNT:
+        tr->tco.cnt2 = val;
+        break;
+    case TCO_MESSAGE1:
+        tr->tco.msg1 = val;
+        break;
+    case TCO_MESSAGE2:
+        tr->tco.msg2 = val;
+        break;
+    case TCO_WDCNT:
+        tr->tco.wdcnt = val;
+        break;
+    case TCO_TMR:
+        tr->tco.tmr = val;
+        break;
+    case SW_IRQ_GEN:
+        tr->sw_irq_gen = val;
+        break;
+    }
+}
+
+static uint64_t tco_io_readw(void *opaque, hwaddr addr, unsigned width)
+{
+    TCOIORegs *tr = opaque;
+    return tco_ioport_readw(tr, addr);
+}
+
+static void tco_io_writew(void *opaque, hwaddr addr, uint64_t val,
+                          unsigned width)
+{
+    TCOIORegs *tr = opaque;
+    tco_ioport_writew(tr, addr, val);
+}
+
+static const MemoryRegionOps tco_io_ops = {
+    .read = tco_io_readw,
+    .write = tco_io_writew,
+    .valid.min_access_size = 1,
+    .valid.max_access_size = 4,
+    .impl.min_access_size = 1,
+    .impl.max_access_size = 2,
+    .endianness = DEVICE_LITTLE_ENDIAN,
+};
+
+void acpi_pm_tco_init(TCOIORegs *tr, MemoryRegion *parent)
+{
+    *tr = (TCOIORegs) {
+        .tco = {
+            .rld      = TCO_RLD_DEFAULT,
+            .din      = TCO_DAT_IN_DEFAULT,
+            .dout     = TCO_DAT_OUT_DEFAULT,
+            .sts1     = TCO1_STS_DEFAULT,
+            .sts2     = TCO2_STS_DEFAULT,
+            .cnt1     = TCO1_CNT_DEFAULT,
+            .cnt2     = TCO2_CNT_DEFAULT,
+            .msg1     = TCO_MESSAGE1_DEFAULT,
+            .msg2     = TCO_MESSAGE2_DEFAULT,
+            .wdcnt    = TCO_WDCNT_DEFAULT,
+            .tmr      = TCO_TMR_DEFAULT,
+        },
+        .sw_irq_gen    = SW_IRQ_GEN_DEFAULT,
+        .tco_timer     = timer_new_ns(QEMU_CLOCK_VIRTUAL, tco_timer_expired, tr),
+        .expire_time   = -1,
+        .timeouts_no   = 0,
+    };
+    memory_region_init_io(&tr->io, memory_region_owner(parent),
+                          &tco_io_ops, tr, "sm-tco", ICH9_PMIO_TCO_LEN);
+    memory_region_add_subregion(parent, ICH9_PMIO_TCO_RLD, &tr->io);
+}
+
+const VMStateDescription vmstate_tco_io_sts = {
+    .name = "tco io device status",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .fields      = (VMStateField[]) {
+        VMSTATE_UINT16(tco.rld, TCOIORegs),
+        VMSTATE_UINT8(tco.din, TCOIORegs),
+        VMSTATE_UINT8(tco.dout, TCOIORegs),
+        VMSTATE_UINT16(tco.sts1, TCOIORegs),
+        VMSTATE_UINT16(tco.sts2, TCOIORegs),
+        VMSTATE_UINT16(tco.cnt1, TCOIORegs),
+        VMSTATE_UINT16(tco.cnt2, TCOIORegs),
+        VMSTATE_UINT8(tco.msg1, TCOIORegs),
+        VMSTATE_UINT8(tco.msg2, TCOIORegs),
+        VMSTATE_UINT8(tco.wdcnt, TCOIORegs),
+        VMSTATE_UINT16(tco.tmr, TCOIORegs),
+        VMSTATE_UINT8(sw_irq_gen, TCOIORegs),
+        VMSTATE_TIMER_PTR(tco_timer, TCOIORegs),
+        VMSTATE_INT64(expire_time, TCOIORegs),
+        VMSTATE_UINT8(timeouts_no, TCOIORegs),
+        VMSTATE_END_OF_LIST()
+    }
+};
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 7959b44b6b..7661ea9cdf 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -293,11 +293,82 @@ static void pc_boot_set(void *opaque, const char *boot_device, Error **errp)
     set_boot_dev(opaque, boot_device, errp);
 }
 
+static void pc_cmos_init_floppy(ISADevice *rtc_state, ISADevice *floppy)
+{
+    int val, nb, i;
+    FDriveType fd_type[2] = { FDRIVE_DRV_NONE, FDRIVE_DRV_NONE };
+
+    /* floppy type */
+    if (floppy) {
+        for (i = 0; i < 2; i++) {
+            fd_type[i] = isa_fdc_get_drive_type(floppy, i);
+        }
+    }
+    val = (cmos_get_fd_drive_type(fd_type[0]) << 4) |
+        cmos_get_fd_drive_type(fd_type[1]);
+    rtc_set_memory(rtc_state, 0x10, val);
+
+    val = rtc_get_memory(rtc_state, REG_EQUIPMENT_BYTE);
+    nb = 0;
+    if (fd_type[0] < FDRIVE_DRV_NONE) {
+        nb++;
+    }
+    if (fd_type[1] < FDRIVE_DRV_NONE) {
+        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;
+    }
+    rtc_set_memory(rtc_state, REG_EQUIPMENT_BYTE, val);
+}
+
 typedef struct pc_cmos_init_late_arg {
     ISADevice *rtc_state;
     BusState *idebus[2];
 } pc_cmos_init_late_arg;
 
+typedef struct check_fdc_state {
+    ISADevice *floppy;
+    bool multiple;
+} CheckFdcState;
+
+static int check_fdc(Object *obj, void *opaque)
+{
+    CheckFdcState *state = opaque;
+    Object *fdc;
+    uint32_t iobase;
+    Error *local_err = NULL;
+
+    fdc = object_dynamic_cast(obj, TYPE_ISA_FDC);
+    if (!fdc) {
+        return 0;
+    }
+
+    iobase = object_property_get_int(obj, "iobase", &local_err);
+    if (local_err || iobase != 0x3f0) {
+        error_free(local_err);
+        return 0;
+    }
+
+    if (state->floppy) {
+        state->multiple = true;
+    } else {
+        state->floppy = ISA_DEVICE(obj);
+    }
+    return 0;
+}
+
+static const char * const fdc_container_path[] = {
+    "/unattached", "/peripheral", "/peripheral-anon"
+};
+
 static void pc_cmos_init_late(void *opaque)
 {
     pc_cmos_init_late_arg *arg = opaque;
@@ -306,6 +377,8 @@ static void pc_cmos_init_late(void *opaque)
     int8_t heads, sectors;
     int val;
     int i, trans;
+    Object *container;
+    CheckFdcState state = { 0 };
 
     val = 0;
     if (ide_get_geometry(arg->idebus[0], 0,
@@ -335,16 +408,32 @@ static void pc_cmos_init_late(void *opaque)
     }
     rtc_set_memory(s, 0x39, val);
 
+    /*
+     * Locate the FDC at IO address 0x3f0, and configure the CMOS registers
+     * accordingly.
+     */
+    for (i = 0; i < ARRAY_SIZE(fdc_container_path); i++) {
+        container = container_get(qdev_get_machine(), fdc_container_path[i]);
+        object_child_foreach(container, check_fdc, &state);
+    }
+
+    if (state.multiple) {
+        error_report("warning: multiple floppy disk controllers with "
+                     "iobase=0x3f0 have been found;\n"
+                     "the one being picked for CMOS setup might not reflect "
+                     "your intent");
+    }
+    pc_cmos_init_floppy(s, state.floppy);
+
     qemu_unregister_reset(pc_cmos_init_late, opaque);
 }
 
 void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size,
                   const char *boot_device, MachineState *machine,
-                  ISADevice *floppy, BusState *idebus0, BusState *idebus1,
+                  BusState *idebus0, BusState *idebus1,
                   ISADevice *s)
 {
-    int val, nb, i;
-    FDriveType fd_type[2] = { FDRIVE_DRV_NONE, FDRIVE_DRV_NONE };
+    int val;
     static pc_cmos_init_late_arg arg;
     PCMachineState *pc_machine = PC_MACHINE(machine);
     Error *local_err = NULL;
@@ -401,39 +490,12 @@ void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size,
         exit(1);
     }
 
-    /* floppy type */
-    if (floppy) {
-        for (i = 0; i < 2; i++) {
-            fd_type[i] = isa_fdc_get_drive_type(floppy, i);
-        }
-    }
-    val = (cmos_get_fd_drive_type(fd_type[0]) << 4) |
-        cmos_get_fd_drive_type(fd_type[1]);
-    rtc_set_memory(s, 0x10, val);
-
     val = 0;
-    nb = 0;
-    if (fd_type[0] < FDRIVE_DRV_NONE) {
-        nb++;
-    }
-    if (fd_type[1] < FDRIVE_DRV_NONE) {
-        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 */
+    /* hard drives and FDC */
     arg.rtc_state = s;
     arg.idebus[0] = idebus0;
     arg.idebus[1] = idebus1;
@@ -1401,7 +1463,6 @@ static const MemoryRegionOps ioportF0_io_ops = {
 void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
                           ISADevice **rtc_state,
                           bool create_fdctrl,
-                          ISADevice **floppy,
                           bool no_vmport,
                           uint32 hpet_irqs)
 {
@@ -1497,7 +1558,9 @@ void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
         fd[i] = drive_get(IF_FLOPPY, 0, i);
         create_fdctrl |= !!fd[i];
     }
-    *floppy = create_fdctrl ? fdctrl_init_isa(isa_bus, fd) : NULL;
+    if (create_fdctrl) {
+        fdctrl_init_isa(isa_bus, fd);
+    }
 }
 
 void pc_nic_init(ISABus *isa_bus, PCIBus *pci_bus)
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 4c3cb40ce0..8167b122f0 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -94,7 +94,6 @@ static void pc_init1(MachineState *machine)
     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
     BusState *idebus[MAX_IDE_BUS];
     ISADevice *rtc_state;
-    ISADevice *floppy;
     MemoryRegion *ram_memory;
     MemoryRegion *pci_memory;
     MemoryRegion *rom_memory;
@@ -241,7 +240,7 @@ static void pc_init1(MachineState *machine)
     }
 
     /* init basic PC hardware */
-    pc_basic_device_init(isa_bus, gsi, &rtc_state, true, &floppy,
+    pc_basic_device_init(isa_bus, gsi, &rtc_state, true,
                          (pc_machine->vmport != ON_OFF_AUTO_ON), 0x4);
 
     pc_nic_init(isa_bus, pci_bus);
@@ -273,7 +272,7 @@ static void pc_init1(MachineState *machine)
     }
 
     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, machine->boot_order,
-                 machine, floppy, idebus[0], idebus[1], rtc_state);
+                 machine, idebus[0], idebus[1], rtc_state);
 
     if (pci_enabled && usb_enabled()) {
         pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 43e6c18777..974aead5a9 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -73,7 +73,6 @@ static void pc_q35_init(MachineState *machine)
     PCIDevice *lpc;
     BusState *idebus[MAX_SATA_PORTS];
     ISADevice *rtc_state;
-    ISADevice *floppy;
     MemoryRegion *pci_memory;
     MemoryRegion *rom_memory;
     MemoryRegion *ram_memory;
@@ -249,11 +248,11 @@ static void pc_q35_init(MachineState *machine)
     }
 
     /* init basic PC hardware */
-    pc_basic_device_init(isa_bus, gsi, &rtc_state, !mc->no_floppy, &floppy,
+    pc_basic_device_init(isa_bus, gsi, &rtc_state, !mc->no_floppy,
                          (pc_machine->vmport != ON_OFF_AUTO_ON), 0xff0104);
 
     /* connect pm stuff to lpc */
-    ich9_lpc_pm_init(lpc, pc_machine_is_smm_enabled(pc_machine));
+    ich9_lpc_pm_init(lpc, pc_machine_is_smm_enabled(pc_machine), !mc->no_tco);
 
     /* ahci and SATA device, for q35 1 ahci controller is built-in */
     ahci = pci_create_simple_multifunction(host_bus,
@@ -278,7 +277,7 @@ static void pc_q35_init(MachineState *machine)
                       8, NULL, 0);
 
     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, machine->boot_order,
-                 machine, floppy, idebus[0], idebus[1], rtc_state);
+                 machine, idebus[0], idebus[1], rtc_state);
 
     /* the rest devices to which pci devfn is automatically assigned */
     pc_vga_init(isa_bus, host_bus);
@@ -399,6 +398,7 @@ static void pc_q35_2_4_machine_options(MachineClass *m)
     m->default_machine_opts = "firmware=bios-256k.bin";
     m->default_display = "std";
     m->no_floppy = 1;
+    m->no_tco = 0;
     m->alias = "q35";
 }
 
@@ -410,6 +410,7 @@ static void pc_q35_2_3_machine_options(MachineClass *m)
 {
     pc_q35_2_4_machine_options(m);
     m->no_floppy = 0;
+    m->no_tco = 1;
     m->alias = NULL;
     SET_MACHINE_COMPAT(m, PC_COMPAT_2_3);
 }
diff --git a/hw/isa/lpc_ich9.c b/hw/isa/lpc_ich9.c
index bd655b8405..360699f6fd 100644
--- a/hw/isa/lpc_ich9.c
+++ b/hw/isa/lpc_ich9.c
@@ -138,6 +138,7 @@ static void ich9_cc_reset(ICH9LPCState *lpc)
     pci_set_long(c + ICH9_CC_D27IR, ICH9_CC_DIR_DEFAULT);
     pci_set_long(c + ICH9_CC_D26IR, ICH9_CC_DIR_DEFAULT);
     pci_set_long(c + ICH9_CC_D25IR, ICH9_CC_DIR_DEFAULT);
+    pci_set_long(c + ICH9_CC_GCS, ICH9_CC_GCS_DEFAULT);
 
     ich9_cc_update(lpc);
 }
@@ -313,6 +314,16 @@ PCIINTxRoute ich9_route_intx_pin_to_irq(void *opaque, int pirq_pin)
     return route;
 }
 
+void ich9_generate_smi(void)
+{
+    cpu_interrupt(first_cpu, CPU_INTERRUPT_SMI);
+}
+
+void ich9_generate_nmi(void)
+{
+    cpu_interrupt(first_cpu, CPU_INTERRUPT_NMI);
+}
+
 static int ich9_lpc_sci_irq(ICH9LPCState *lpc)
 {
     switch (lpc->d.config[ICH9_LPC_ACPI_CTRL] &
@@ -357,13 +368,13 @@ static void ich9_set_sci(void *opaque, int irq_num, int level)
     }
 }
 
-void ich9_lpc_pm_init(PCIDevice *lpc_pci, bool smm_enabled)
+void ich9_lpc_pm_init(PCIDevice *lpc_pci, bool smm_enabled, bool enable_tco)
 {
     ICH9LPCState *lpc = ICH9_LPC_DEVICE(lpc_pci);
     qemu_irq sci_irq;
 
     sci_irq = qemu_allocate_irq(ich9_set_sci, lpc, 0);
-    ich9_pm_init(lpc_pci, &lpc->pm, smm_enabled, sci_irq);
+    ich9_pm_init(lpc_pci, &lpc->pm, smm_enabled, enable_tco, sci_irq);
     ich9_lpc_reset(&lpc->d.qdev);
 }
 
@@ -681,6 +692,11 @@ static const VMStateDescription vmstate_ich9_lpc = {
     }
 };
 
+static Property ich9_lpc_properties[] = {
+    DEFINE_PROP_BOOL("noreboot", ICH9LPCState, pin_strap.spkr_hi, true),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
 static void ich9_lpc_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
@@ -692,6 +708,7 @@ static void ich9_lpc_class_init(ObjectClass *klass, void *data)
     dc->reset = ich9_lpc_reset;
     k->init = ich9_lpc_init;
     dc->vmsd = &vmstate_ich9_lpc;
+    dc->props = ich9_lpc_properties;
     k->config_write = ich9_lpc_config_write;
     dc->desc = "ICH9 LPC bridge";
     k->vendor_id = PCI_VENDOR_ID_INTEL;
diff --git a/hw/pci/pcie.c b/hw/pci/pcie.c
index 14c77117f6..6e28985bd1 100644
--- a/hw/pci/pcie.c
+++ b/hw/pci/pcie.c
@@ -78,7 +78,7 @@ int pcie_cap_init(PCIDevice *dev, uint8_t offset, uint8_t type, uint8_t port)
                  PCI_EXP_LNK_LS_25);
 
     pci_set_word(exp_cap + PCI_EXP_LNKSTA,
-                 PCI_EXP_LNK_MLW_1 | PCI_EXP_LNK_LS_25);
+                 PCI_EXP_LNK_MLW_1 | PCI_EXP_LNK_LS_25 |PCI_EXP_LNKSTA_DLLLA);
 
     pci_set_long(exp_cap + PCI_EXP_DEVCAP2,
                  PCI_EXP_DEVCAP2_EFF | PCI_EXP_DEVCAP2_EETLPP);
diff --git a/hw/virtio/dataplane/vring.c b/hw/virtio/dataplane/vring.c
index 35891856ee..07fd69c69e 100644
--- a/hw/virtio/dataplane/vring.c
+++ b/hw/virtio/dataplane/vring.c
@@ -153,22 +153,20 @@ bool vring_should_notify(VirtIODevice *vdev, Vring *vring)
         return true;
     }
 
-    return vring_need_event(vring_used_event(&vring->vr), new, old);
+    return vring_need_event(virtio_tswap16(vdev, vring_used_event(&vring->vr)),
+                            new, old);
 }
 
 
-static int get_desc(VirtIODevice *vdev, Vring *vring, VirtQueueElement *elem,
+static int get_desc(Vring *vring, VirtQueueElement *elem,
                     struct vring_desc *desc)
 {
     unsigned *num;
     struct iovec *iov;
     hwaddr *addr;
     MemoryRegion *mr;
-    int is_write = virtio_tswap16(vdev, desc->flags) & VRING_DESC_F_WRITE;
-    uint32_t len = virtio_tswap32(vdev, desc->len);
-    uint64_t desc_addr = virtio_tswap64(vdev, desc->addr);
 
-    if (is_write) {
+    if (desc->flags & VRING_DESC_F_WRITE) {
         num = &elem->in_num;
         iov = &elem->in_sg[*num];
         addr = &elem->in_addr[*num];
@@ -192,17 +190,18 @@ static int get_desc(VirtIODevice *vdev, Vring *vring, VirtQueueElement *elem,
     }
 
     /* TODO handle non-contiguous memory across region boundaries */
-    iov->iov_base = vring_map(&mr, desc_addr, len, is_write);
+    iov->iov_base = vring_map(&mr, desc->addr, desc->len,
+                              desc->flags & VRING_DESC_F_WRITE);
     if (!iov->iov_base) {
         error_report("Failed to map descriptor addr %#" PRIx64 " len %u",
-                     (uint64_t)desc_addr, len);
+                     (uint64_t)desc->addr, desc->len);
         return -EFAULT;
     }
 
     /* The MemoryRegion is looked up again and unref'ed later, leave the
      * ref in place.  */
-    iov->iov_len = len;
-    *addr = desc_addr;
+    iov->iov_len = desc->len;
+    *addr = desc->addr;
     *num += 1;
     return 0;
 }
@@ -224,23 +223,21 @@ static int get_indirect(VirtIODevice *vdev, Vring *vring,
     struct vring_desc desc;
     unsigned int i = 0, count, found = 0;
     int ret;
-    uint32_t len = virtio_tswap32(vdev, indirect->len);
-    uint64_t addr = virtio_tswap64(vdev, indirect->addr);
 
     /* Sanity check */
-    if (unlikely(len % sizeof(desc))) {
+    if (unlikely(indirect->len % sizeof(desc))) {
         error_report("Invalid length in indirect descriptor: "
                      "len %#x not multiple of %#zx",
-                     len, sizeof(desc));
+                     indirect->len, sizeof(desc));
         vring->broken = true;
         return -EFAULT;
     }
 
-    count = len / sizeof(desc);
+    count = indirect->len / sizeof(desc);
     /* Buffers are chained via a 16 bit next field, so
      * we can have at most 2^16 of these. */
     if (unlikely(count > USHRT_MAX + 1)) {
-        error_report("Indirect buffer length too big: %d", len);
+        error_report("Indirect buffer length too big: %d", indirect->len);
         vring->broken = true;
         return -EFAULT;
     }
@@ -251,12 +248,12 @@ static int get_indirect(VirtIODevice *vdev, Vring *vring,
 
         /* Translate indirect descriptor */
         desc_ptr = vring_map(&mr,
-                             addr + found * sizeof(desc),
+                             indirect->addr + found * sizeof(desc),
                              sizeof(desc), false);
         if (!desc_ptr) {
             error_report("Failed to map indirect descriptor "
                          "addr %#" PRIx64 " len %zu",
-                         (uint64_t)addr + found * sizeof(desc),
+                         (uint64_t)indirect->addr + found * sizeof(desc),
                          sizeof(desc));
             vring->broken = true;
             return -EFAULT;
@@ -274,20 +271,19 @@ static int get_indirect(VirtIODevice *vdev, Vring *vring,
             return -EFAULT;
         }
 
-        if (unlikely(virtio_tswap16(vdev, desc.flags)
-                     & VRING_DESC_F_INDIRECT)) {
+        if (unlikely(desc.flags & VRING_DESC_F_INDIRECT)) {
             error_report("Nested indirect descriptor");
             vring->broken = true;
             return -EFAULT;
         }
 
-        ret = get_desc(vdev, vring, elem, &desc);
+        ret = get_desc(vring, elem, &desc);
         if (ret < 0) {
             vring->broken |= (ret == -EFAULT);
             return ret;
         }
-        i = virtio_tswap16(vdev, desc.next);
-    } while (virtio_tswap16(vdev, desc.flags) & VRING_DESC_F_NEXT);
+        i = desc.next;
+    } while (desc.flags & VRING_DESC_F_NEXT);
     return 0;
 }
 
@@ -388,7 +384,7 @@ int vring_pop(VirtIODevice *vdev, Vring *vring,
         /* Ensure descriptor is loaded before accessing fields */
         barrier();
 
-        if (virtio_tswap16(vdev, desc.flags) & VRING_DESC_F_INDIRECT) {
+        if (desc.flags & VRING_DESC_F_INDIRECT) {
             ret = get_indirect(vdev, vring, elem, &desc);
             if (ret < 0) {
                 goto out;
@@ -396,18 +392,19 @@ int vring_pop(VirtIODevice *vdev, Vring *vring,
             continue;
         }
 
-        ret = get_desc(vdev, vring, elem, &desc);
+        ret = get_desc(vring, elem, &desc);
         if (ret < 0) {
             goto out;
         }
 
-        i = virtio_tswap16(vdev, desc.next);
-    } while (virtio_tswap16(vdev, desc.flags) & VRING_DESC_F_NEXT);
+        i = desc.next;
+    } while (desc.flags & VRING_DESC_F_NEXT);
 
     /* On success, increment avail index. */
     vring->last_avail_idx++;
     if (virtio_has_feature(vdev, VIRTIO_RING_F_EVENT_IDX)) {
-        vring_avail_event(&vring->vr) = vring->last_avail_idx;
+        vring_avail_event(&vring->vr) =
+            virtio_tswap16(vdev, vring->last_avail_idx);
     }
 
     return head;
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 7a89081e4f..ccca2b6f3b 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -443,11 +443,89 @@ static const MemoryRegionOps virtio_pci_config_ops = {
     .endianness = DEVICE_LITTLE_ENDIAN,
 };
 
+/* Below are generic functions to do memcpy from/to an address space,
+ * without byteswaps, with input validation.
+ *
+ * As regular address_space_* APIs all do some kind of byteswap at least for
+ * some host/target combinations, we are forced to explicitly convert to a
+ * known-endianness integer value.
+ * It doesn't really matter which endian format to go through, so the code
+ * below selects the endian that causes the least amount of work on the given
+ * host.
+ *
+ * Note: host pointer must be aligned.
+ */
+static
+void virtio_address_space_write(AddressSpace *as, hwaddr addr,
+                                const uint8_t *buf, int len)
+{
+    uint32_t val;
+
+    /* address_space_* APIs assume an aligned address.
+     * As address is under guest control, handle illegal values.
+     */
+    addr &= ~(len - 1);
+
+    /* Make sure caller aligned buf properly */
+    assert(!(((uintptr_t)buf) & (len - 1)));
+
+    switch (len) {
+    case 1:
+        val = pci_get_byte(buf);
+        address_space_stb(as, addr, val, MEMTXATTRS_UNSPECIFIED, NULL);
+        break;
+    case 2:
+        val = pci_get_word(buf);
+        address_space_stw_le(as, addr, val, MEMTXATTRS_UNSPECIFIED, NULL);
+        break;
+    case 4:
+        val = pci_get_long(buf);
+        address_space_stl_le(as, addr, val, MEMTXATTRS_UNSPECIFIED, NULL);
+        break;
+    default:
+        /* As length is under guest control, handle illegal values. */
+        break;
+    }
+}
+
+static void
+virtio_address_space_read(AddressSpace *as, hwaddr addr, uint8_t *buf, int len)
+{
+    uint32_t val;
+
+    /* address_space_* APIs assume an aligned address.
+     * As address is under guest control, handle illegal values.
+     */
+    addr &= ~(len - 1);
+
+    /* Make sure caller aligned buf properly */
+    assert(!(((uintptr_t)buf) & (len - 1)));
+
+    switch (len) {
+    case 1:
+        val = address_space_ldub(as, addr, MEMTXATTRS_UNSPECIFIED, NULL);
+        pci_set_byte(buf, val);
+        break;
+    case 2:
+        val = address_space_lduw_le(as, addr, MEMTXATTRS_UNSPECIFIED, NULL);
+        pci_set_word(buf, val);
+        break;
+    case 4:
+        val = address_space_ldl_le(as, addr, MEMTXATTRS_UNSPECIFIED, NULL);
+        pci_set_long(buf, val);
+        break;
+    default:
+        /* As length is under guest control, handle illegal values. */
+        break;
+    }
+}
+
 static void virtio_write_config(PCIDevice *pci_dev, uint32_t address,
                                 uint32_t val, int len)
 {
     VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
     VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus);
+    struct virtio_pci_cfg_cap *cfg;
 
     pci_default_write_config(pci_dev, address, val, len);
 
@@ -456,6 +534,49 @@ static void virtio_write_config(PCIDevice *pci_dev, uint32_t address,
         virtio_pci_stop_ioeventfd(proxy);
         virtio_set_status(vdev, vdev->status & ~VIRTIO_CONFIG_S_DRIVER_OK);
     }
+
+    if (proxy->config_cap &&
+        ranges_overlap(address, len, proxy->config_cap + offsetof(struct virtio_pci_cfg_cap,
+                                                                  pci_cfg_data),
+                       sizeof cfg->pci_cfg_data)) {
+        uint32_t off;
+        uint32_t len;
+
+        cfg = (void *)(proxy->pci_dev.config + proxy->config_cap);
+        off = le32_to_cpu(cfg->cap.offset);
+        len = le32_to_cpu(cfg->cap.length);
+
+        if (len <= sizeof cfg->pci_cfg_data) {
+            virtio_address_space_write(&proxy->modern_as, off,
+                                       cfg->pci_cfg_data, len);
+        }
+    }
+}
+
+static uint32_t virtio_read_config(PCIDevice *pci_dev,
+                                   uint32_t address, int len)
+{
+    VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
+    struct virtio_pci_cfg_cap *cfg;
+
+    if (proxy->config_cap &&
+        ranges_overlap(address, len, proxy->config_cap + offsetof(struct virtio_pci_cfg_cap,
+                                                                  pci_cfg_data),
+                       sizeof cfg->pci_cfg_data)) {
+        uint32_t off;
+        uint32_t len;
+
+        cfg = (void *)(proxy->pci_dev.config + proxy->config_cap);
+        off = le32_to_cpu(cfg->cap.offset);
+        len = le32_to_cpu(cfg->cap.length);
+
+        if (len <= sizeof cfg->pci_cfg_data) {
+            virtio_address_space_read(&proxy->modern_as, off,
+                                      cfg->pci_cfg_data, len);
+        }
+    }
+
+    return pci_default_read_config(pci_dev, address, len);
 }
 
 static int kvm_virtio_pci_vq_vector_use(VirtIOPCIProxy *proxy,
@@ -942,7 +1063,7 @@ static int virtio_pci_query_nvectors(DeviceState *d)
     return proxy->nvectors;
 }
 
-static void virtio_pci_add_mem_cap(VirtIOPCIProxy *proxy,
+static int virtio_pci_add_mem_cap(VirtIOPCIProxy *proxy,
                                    struct virtio_pci_cap *cap)
 {
     PCIDevice *dev = &proxy->pci_dev;
@@ -954,6 +1075,8 @@ static void virtio_pci_add_mem_cap(VirtIOPCIProxy *proxy,
     assert(cap->cap_len >= sizeof *cap);
     memcpy(dev->config + offset + PCI_CAP_FLAGS, &cap->cap_len,
            cap->cap_len - PCI_CAP_FLAGS);
+
+    return offset;
 }
 
 static uint64_t virtio_pci_common_read(void *opaque, hwaddr addr,
@@ -1329,6 +1452,11 @@ static void virtio_pci_device_plugged(DeviceState *d, Error **errp)
             .notify_off_multiplier =
                 cpu_to_le32(QEMU_VIRTIO_PCI_QUEUE_MEM_MULT),
         };
+        struct virtio_pci_cfg_cap cfg = {
+            .cap.cap_len = sizeof cfg,
+            .cap.cfg_type = VIRTIO_PCI_CAP_PCI_CFG,
+        };
+        struct virtio_pci_cfg_cap *cfg_mask;
 
         /* TODO: add io access for speed */
 
@@ -1338,11 +1466,19 @@ static void virtio_pci_device_plugged(DeviceState *d, Error **errp)
         virtio_pci_modern_region_map(proxy, &proxy->isr, &cap);
         virtio_pci_modern_region_map(proxy, &proxy->device, &cap);
         virtio_pci_modern_region_map(proxy, &proxy->notify, &notify.cap);
+
         pci_register_bar(&proxy->pci_dev, proxy->modern_mem_bar,
                          PCI_BASE_ADDRESS_SPACE_MEMORY |
                          PCI_BASE_ADDRESS_MEM_PREFETCH |
                          PCI_BASE_ADDRESS_MEM_TYPE_64,
                          &proxy->modern_bar);
+
+        proxy->config_cap = virtio_pci_add_mem_cap(proxy, &cfg.cap);
+        cfg_mask = (void *)(proxy->pci_dev.wmask + proxy->config_cap);
+        pci_set_byte(&cfg_mask->cap.bar, ~0x0);
+        pci_set_long((uint8_t *)&cfg_mask->cap.offset, ~0x0);
+        pci_set_long((uint8_t *)&cfg_mask->cap.length, ~0x0);
+        pci_set_long(cfg_mask->pci_cfg_data, ~0x0);
     }
 
     if (proxy->nvectors &&
@@ -1354,6 +1490,7 @@ static void virtio_pci_device_plugged(DeviceState *d, Error **errp)
     }
 
     proxy->pci_dev.config_write = virtio_write_config;
+    proxy->pci_dev.config_read = virtio_read_config;
 
     if (legacy) {
         size = VIRTIO_PCI_REGION_SIZE(&proxy->pci_dev)
@@ -1424,6 +1561,15 @@ static void virtio_pci_realize(PCIDevice *pci_dev, Error **errp)
                        2 * QEMU_VIRTIO_PCI_QUEUE_MEM_MULT *
                        VIRTIO_QUEUE_MAX);
 
+    memory_region_init_alias(&proxy->modern_cfg,
+                             OBJECT(proxy),
+                             "virtio-pci-cfg",
+                             &proxy->modern_bar,
+                             0,
+                             memory_region_size(&proxy->modern_bar));
+
+    address_space_init(&proxy->modern_as, &proxy->modern_cfg, "virtio-pci-cfg-as");
+
     virtio_pci_bus_new(&proxy->bus, sizeof(proxy->bus), proxy);
     if (k->realize) {
         k->realize(proxy, errp);
@@ -1432,7 +1578,10 @@ static void virtio_pci_realize(PCIDevice *pci_dev, Error **errp)
 
 static void virtio_pci_exit(PCIDevice *pci_dev)
 {
+    VirtIOPCIProxy *proxy = VIRTIO_PCI(pci_dev);
+
     msix_uninit_exclusive_bar(pci_dev);
+    address_space_destroy(&proxy->modern_as);
 }
 
 static void virtio_pci_reset(DeviceState *qdev)
diff --git a/hw/virtio/virtio-pci.h b/hw/virtio/virtio-pci.h
index 05d9d243f6..b6c442f522 100644
--- a/hw/virtio/virtio-pci.h
+++ b/hw/virtio/virtio-pci.h
@@ -112,9 +112,12 @@ struct VirtIOPCIProxy {
     VirtIOPCIRegion device;
     VirtIOPCIRegion notify;
     MemoryRegion modern_bar;
+    MemoryRegion modern_cfg;
+    AddressSpace modern_as;
     uint32_t legacy_io_bar;
     uint32_t msix_bar;
     uint32_t modern_mem_bar;
+    int config_cap;
     uint32_t flags;
     uint32_t class_code;
     uint32_t nvectors;
diff --git a/include/hw/acpi/ich9.h b/include/hw/acpi/ich9.h
index ac24bbe9a3..345fd8d92b 100644
--- a/include/hw/acpi/ich9.h
+++ b/include/hw/acpi/ich9.h
@@ -25,6 +25,7 @@
 #include "hw/acpi/cpu_hotplug.h"
 #include "hw/acpi/memory_hotplug.h"
 #include "hw/acpi/acpi_dev_interface.h"
+#include "hw/acpi/tco.h"
 
 typedef struct ICH9LPCPMRegs {
     /*
@@ -55,10 +56,15 @@ typedef struct ICH9LPCPMRegs {
     uint8_t disable_s4;
     uint8_t s4_val;
     uint8_t smm_enabled;
+    bool enable_tco;
+    TCOIORegs tco_regs;
 } ICH9LPCPMRegs;
 
 void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm,
-                  bool smm_enabled, qemu_irq sci_irq);
+                  bool smm_enabled,
+                  bool enable_tco,
+                  qemu_irq sci_irq);
+
 void ich9_pm_iospace_update(ICH9LPCPMRegs *pm, uint32_t pm_io_base);
 extern const VMStateDescription vmstate_ich9_pm;
 
diff --git a/include/hw/acpi/tco.h b/include/hw/acpi/tco.h
new file mode 100644
index 0000000000..c63afc8ca3
--- /dev/null
+++ b/include/hw/acpi/tco.h
@@ -0,0 +1,82 @@
+/*
+ * QEMU ICH9 TCO emulation
+ *
+ * Copyright (c) 2015 Paulo Alcantara <pcacjr@zytor.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#ifndef HW_ACPI_TCO_H
+#define HW_ACPI_TCO_H
+
+#include "qemu/typedefs.h"
+#include "qemu-common.h"
+
+/* As per ICH9 spec, the internal timer has an error of ~0.6s on every tick */
+#define TCO_TICK_NSEC 600000000LL
+
+/* TCO I/O register offsets */
+enum {
+    TCO_RLD           = 0x00,
+    TCO_DAT_IN        = 0x02,
+    TCO_DAT_OUT       = 0x03,
+    TCO1_STS          = 0x04,
+    TCO2_STS          = 0x06,
+    TCO1_CNT          = 0x08,
+    TCO2_CNT          = 0x0a,
+    TCO_MESSAGE1      = 0x0c,
+    TCO_MESSAGE2      = 0x0d,
+    TCO_WDCNT         = 0x0e,
+    SW_IRQ_GEN        = 0x10,
+    TCO_TMR           = 0x12,
+};
+
+/* TCO I/O register control/status bits */
+enum {
+    SW_TCO_SMI           = 1 << 1,
+    TCO_INT_STS          = 1 << 2,
+    TCO_LOCK             = 1 << 12,
+    TCO_TMR_HLT          = 1 << 11,
+    TCO_TIMEOUT          = 1 << 3,
+    TCO_SECOND_TO_STS    = 1 << 1,
+    TCO_BOOT_STS         = 1 << 2,
+};
+
+/* TCO I/O registers mask bits */
+enum {
+    TCO_RLD_MASK     = 0x3ff,
+    TCO1_STS_MASK    = 0xe870,
+    TCO2_STS_MASK    = 0xfff8,
+    TCO1_CNT_MASK    = 0xfeff,
+    TCO_TMR_MASK     = 0x3ff,
+};
+
+typedef struct TCOIORegs {
+    struct {
+        uint16_t rld;
+        uint8_t din;
+        uint8_t dout;
+        uint16_t sts1;
+        uint16_t sts2;
+        uint16_t cnt1;
+        uint16_t cnt2;
+        uint8_t msg1;
+        uint8_t msg2;
+        uint8_t wdcnt;
+        uint16_t tmr;
+    } tco;
+    uint8_t sw_irq_gen;
+
+    QEMUTimer *tco_timer;
+    int64_t expire_time;
+    uint8_t timeouts_no;
+
+    MemoryRegion io;
+} TCOIORegs;
+
+/* tco.c */
+void acpi_pm_tco_init(TCOIORegs *tr, MemoryRegion *parent);
+
+extern const VMStateDescription vmstate_tco_io_sts;
+
+#endif /* HW_ACPI_TCO_H */
diff --git a/include/hw/boards.h b/include/hw/boards.h
index 6379901528..2aec9cbb12 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -99,7 +99,8 @@ struct MachineClass {
         no_floppy:1,
         no_cdrom:1,
         no_sdcard:1,
-        has_dynamic_sysbus:1;
+        has_dynamic_sysbus:1,
+        no_tco:1;
     int is_default;
     const char *default_machine_opts;
     const char *default_boot_order;
diff --git a/include/hw/i386/ich9.h b/include/hw/i386/ich9.h
index b317a481c8..b9d2b04b6e 100644
--- a/include/hw/i386/ich9.h
+++ b/include/hw/i386/ich9.h
@@ -17,9 +17,12 @@
 void ich9_lpc_set_irq(void *opaque, int irq_num, int level);
 int ich9_lpc_map_irq(PCIDevice *pci_dev, int intx);
 PCIINTxRoute ich9_route_intx_pin_to_irq(void *opaque, int pirq_pin);
-void ich9_lpc_pm_init(PCIDevice *pci_lpc, bool smm_enabled);
+void ich9_lpc_pm_init(PCIDevice *pci_lpc, bool smm_enabled, bool enable_tco);
 I2CBus *ich9_smb_init(PCIBus *bus, int devfn, uint32_t smb_io_base);
 
+void ich9_generate_smi(void);
+void ich9_generate_nmi(void);
+
 #define ICH9_CC_SIZE                            (16 * 1024)     /* 16KB */
 
 #define TYPE_ICH9_LPC_DEVICE "ICH9-LPC"
@@ -43,6 +46,11 @@ typedef struct ICH9LPCState {
     ICH9LPCPMRegs pm;
     uint32_t sci_level; /* track sci level */
 
+    /* 2.24 Pin Straps */
+    struct {
+        bool spkr_hi;
+    } pin_strap;
+
     /* 10.1 Chipset Configuration registers(Memory Space)
      which is pointed by RCBA */
     uint8_t chip_config[ICH9_CC_SIZE];
@@ -90,6 +98,9 @@ Object *ich9_lpc_find(void);
 #define ICH9_CC_DIR_MASK                        0x7
 #define ICH9_CC_OIC                             0x31FF
 #define ICH9_CC_OIC_AEN                         0x1
+#define ICH9_CC_GCS                             0x3410
+#define ICH9_CC_GCS_DEFAULT                     0x00000020
+#define ICH9_CC_GCS_NO_REBOOT                   (1 << 5)
 
 /* D28:F[0-5] */
 #define ICH9_PCIE_DEV                           28
@@ -186,7 +197,10 @@ Object *ich9_lpc_find(void);
 #define ICH9_PMIO_GPE0_LEN                      16
 #define ICH9_PMIO_SMI_EN                        0x30
 #define ICH9_PMIO_SMI_EN_APMC_EN                (1 << 5)
+#define ICH9_PMIO_SMI_EN_TCO_EN                 (1 << 13)
 #define ICH9_PMIO_SMI_STS                       0x34
+#define ICH9_PMIO_TCO_RLD                       0x60
+#define ICH9_PMIO_TCO_LEN                       32
 
 /* FADT ACPI_ENABLE/ACPI_DISABLE */
 #define ICH9_APM_ACPI_ENABLE                    0x2
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 5daf854234..15e3352967 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -88,6 +88,7 @@ typedef struct PcPciInfo {
 #define ACPI_PM_PROP_PM_IO_BASE "pm_io_base"
 #define ACPI_PM_PROP_GPE0_BLK "gpe0_blk"
 #define ACPI_PM_PROP_GPE0_BLK_LEN "gpe0_blk_len"
+#define ACPI_PM_PROP_TCO_ENABLED "enable_tco"
 
 struct PcGuestInfo {
     bool isapc_ram_fw;
@@ -198,13 +199,12 @@ DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
 void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
                           ISADevice **rtc_state,
                           bool create_fdctrl,
-                          ISADevice **floppy,
                           bool no_vmport,
                           uint32 hpet_irqs);
 void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd);
 void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size,
                   const char *boot_device, MachineState *machine,
-                  ISADevice *floppy, BusState *ide0, BusState *ide1,
+                  BusState *ide0, BusState *ide1,
                   ISADevice *s);
 void pc_nic_init(ISABus *isa_bus, PCIBus *pci_bus);
 void pc_pci_device_init(PCIBus *pci_bus);
diff --git a/include/hw/pci/pci_regs.h b/include/hw/pci/pci_regs.h
index 57e8c80c30..ba8cbe9278 100644
--- a/include/hw/pci/pci_regs.h
+++ b/include/hw/pci/pci_regs.h
@@ -1,719 +1 @@
-/*
- *	pci_regs.h
- *
- *	PCI standard defines
- *	Copyright 1994, Drew Eckhardt
- *	Copyright 1997--1999 Martin Mares <mj@ucw.cz>
- *
- *	For more information, please consult the following manuals (look at
- *	http://www.pcisig.com/ for how to get them):
- *
- *	PCI BIOS Specification
- *	PCI Local Bus Specification
- *	PCI to PCI Bridge Specification
- *	PCI System Design Guide
- *
- * 	For hypertransport information, please consult the following manuals
- * 	from http://www.hypertransport.org
- *
- *	The Hypertransport I/O Link Specification
- */
-
-#ifndef LINUX_PCI_REGS_H
-#define LINUX_PCI_REGS_H
-
-/*
- * Under PCI, each device has 256 bytes of configuration address space,
- * of which the first 64 bytes are standardized as follows:
- */
-#define PCI_VENDOR_ID		0x00	/* 16 bits */
-#define PCI_DEVICE_ID		0x02	/* 16 bits */
-#define PCI_COMMAND		0x04	/* 16 bits */
-#define  PCI_COMMAND_IO		0x1	/* Enable response in I/O space */
-#define  PCI_COMMAND_MEMORY	0x2	/* Enable response in Memory space */
-#define  PCI_COMMAND_MASTER	0x4	/* Enable bus mastering */
-#define  PCI_COMMAND_SPECIAL	0x8	/* Enable response to special cycles */
-#define  PCI_COMMAND_INVALIDATE	0x10	/* Use memory write and invalidate */
-#define  PCI_COMMAND_VGA_PALETTE 0x20	/* Enable palette snooping */
-#define  PCI_COMMAND_PARITY	0x40	/* Enable parity checking */
-#define  PCI_COMMAND_WAIT 	0x80	/* Enable address/data stepping */
-#define  PCI_COMMAND_SERR	0x100	/* Enable SERR */
-#define  PCI_COMMAND_FAST_BACK	0x200	/* Enable back-to-back writes */
-#define  PCI_COMMAND_INTX_DISABLE 0x400 /* INTx Emulation Disable */
-
-#define PCI_STATUS		0x06	/* 16 bits */
-#define  PCI_STATUS_INTERRUPT	0x08	/* Interrupt status */
-#define  PCI_STATUS_CAP_LIST	0x10	/* Support Capability List */
-#define  PCI_STATUS_66MHZ	0x20	/* Support 66 Mhz PCI 2.1 bus */
-#define  PCI_STATUS_UDF		0x40	/* Support User Definable Features [obsolete] */
-#define  PCI_STATUS_FAST_BACK	0x80	/* Accept fast-back to back */
-#define  PCI_STATUS_PARITY	0x100	/* Detected parity error */
-#define  PCI_STATUS_DEVSEL_MASK	0x600	/* DEVSEL timing */
-#define  PCI_STATUS_DEVSEL_FAST		0x000
-#define  PCI_STATUS_DEVSEL_MEDIUM	0x200
-#define  PCI_STATUS_DEVSEL_SLOW		0x400
-#define  PCI_STATUS_SIG_TARGET_ABORT	0x800 /* Set on target abort */
-#define  PCI_STATUS_REC_TARGET_ABORT	0x1000 /* Master ack of " */
-#define  PCI_STATUS_REC_MASTER_ABORT	0x2000 /* Set on master abort */
-#define  PCI_STATUS_SIG_SYSTEM_ERROR	0x4000 /* Set when we drive SERR */
-#define  PCI_STATUS_DETECTED_PARITY	0x8000 /* Set on parity error */
-
-#define PCI_CLASS_REVISION	0x08	/* High 24 bits are class, low 8 revision */
-#define PCI_REVISION_ID		0x08	/* Revision ID */
-#define PCI_CLASS_PROG		0x09	/* Reg. Level Programming Interface */
-#define PCI_CLASS_DEVICE	0x0a	/* Device class */
-
-#define PCI_CACHE_LINE_SIZE	0x0c	/* 8 bits */
-#define PCI_LATENCY_TIMER	0x0d	/* 8 bits */
-#define PCI_HEADER_TYPE		0x0e	/* 8 bits */
-#define  PCI_HEADER_TYPE_NORMAL		0
-#define  PCI_HEADER_TYPE_BRIDGE		1
-#define  PCI_HEADER_TYPE_CARDBUS	2
-
-#define PCI_BIST		0x0f	/* 8 bits */
-#define  PCI_BIST_CODE_MASK	0x0f	/* Return result */
-#define  PCI_BIST_START		0x40	/* 1 to start BIST, 2 secs or less */
-#define  PCI_BIST_CAPABLE	0x80	/* 1 if BIST capable */
-
-/*
- * Base addresses specify locations in memory or I/O space.
- * Decoded size can be determined by writing a value of
- * 0xffffffff to the register, and reading it back.  Only
- * 1 bits are decoded.
- */
-#define PCI_BASE_ADDRESS_0	0x10	/* 32 bits */
-#define PCI_BASE_ADDRESS_1	0x14	/* 32 bits [htype 0,1 only] */
-#define PCI_BASE_ADDRESS_2	0x18	/* 32 bits [htype 0 only] */
-#define PCI_BASE_ADDRESS_3	0x1c	/* 32 bits */
-#define PCI_BASE_ADDRESS_4	0x20	/* 32 bits */
-#define PCI_BASE_ADDRESS_5	0x24	/* 32 bits */
-#define  PCI_BASE_ADDRESS_SPACE		0x01	/* 0 = memory, 1 = I/O */
-#define  PCI_BASE_ADDRESS_SPACE_IO	0x01
-#define  PCI_BASE_ADDRESS_SPACE_MEMORY	0x00
-#define  PCI_BASE_ADDRESS_MEM_TYPE_MASK	0x06
-#define  PCI_BASE_ADDRESS_MEM_TYPE_32	0x00	/* 32 bit address */
-#define  PCI_BASE_ADDRESS_MEM_TYPE_1M	0x02	/* Below 1M [obsolete] */
-#define  PCI_BASE_ADDRESS_MEM_TYPE_64	0x04	/* 64 bit address */
-#define  PCI_BASE_ADDRESS_MEM_PREFETCH	0x08	/* prefetchable? */
-#define  PCI_BASE_ADDRESS_MEM_MASK	(~0x0fUL)
-#define  PCI_BASE_ADDRESS_IO_MASK	(~0x03UL)
-/* bit 1 is reserved if address_space = 1 */
-
-/* Header type 0 (normal devices) */
-#define PCI_CARDBUS_CIS		0x28
-#define PCI_SUBSYSTEM_VENDOR_ID	0x2c
-#define PCI_SUBSYSTEM_ID	0x2e
-#define PCI_ROM_ADDRESS		0x30	/* Bits 31..11 are address, 10..1 reserved */
-#define  PCI_ROM_ADDRESS_ENABLE	0x01
-#define PCI_ROM_ADDRESS_MASK	(~0x7ffUL)
-
-#define PCI_CAPABILITY_LIST	0x34	/* Offset of first capability list entry */
-
-/* 0x35-0x3b are reserved */
-#define PCI_INTERRUPT_LINE	0x3c	/* 8 bits */
-#define PCI_INTERRUPT_PIN	0x3d	/* 8 bits */
-#define PCI_MIN_GNT		0x3e	/* 8 bits */
-#define PCI_MAX_LAT		0x3f	/* 8 bits */
-
-/* Header type 1 (PCI-to-PCI bridges) */
-#define PCI_PRIMARY_BUS		0x18	/* Primary bus number */
-#define PCI_SECONDARY_BUS	0x19	/* Secondary bus number */
-#define PCI_SUBORDINATE_BUS	0x1a	/* Highest bus number behind the bridge */
-#define PCI_SEC_LATENCY_TIMER	0x1b	/* Latency timer for secondary interface */
-#define PCI_IO_BASE		0x1c	/* I/O range behind the bridge */
-#define PCI_IO_LIMIT		0x1d
-#define  PCI_IO_RANGE_TYPE_MASK	0x0fUL	/* I/O bridging type */
-#define  PCI_IO_RANGE_TYPE_16	0x00
-#define  PCI_IO_RANGE_TYPE_32	0x01
-#define  PCI_IO_RANGE_MASK	(~0x0fUL)
-#define PCI_SEC_STATUS		0x1e	/* Secondary status register, only bit 14 used */
-#define PCI_MEMORY_BASE		0x20	/* Memory range behind */
-#define PCI_MEMORY_LIMIT	0x22
-#define  PCI_MEMORY_RANGE_TYPE_MASK 0x0fUL
-#define  PCI_MEMORY_RANGE_MASK	(~0x0fUL)
-#define PCI_PREF_MEMORY_BASE	0x24	/* Prefetchable memory range behind */
-#define PCI_PREF_MEMORY_LIMIT	0x26
-#define  PCI_PREF_RANGE_TYPE_MASK 0x0fUL
-#define  PCI_PREF_RANGE_TYPE_32	0x00
-#define  PCI_PREF_RANGE_TYPE_64	0x01
-#define  PCI_PREF_RANGE_MASK	(~0x0fUL)
-#define PCI_PREF_BASE_UPPER32	0x28	/* Upper half of prefetchable memory range */
-#define PCI_PREF_LIMIT_UPPER32	0x2c
-#define PCI_IO_BASE_UPPER16	0x30	/* Upper half of I/O addresses */
-#define PCI_IO_LIMIT_UPPER16	0x32
-/* 0x34 same as for htype 0 */
-/* 0x35-0x3b is reserved */
-#define PCI_ROM_ADDRESS1	0x38	/* Same as PCI_ROM_ADDRESS, but for htype 1 */
-/* 0x3c-0x3d are same as for htype 0 */
-#define PCI_BRIDGE_CONTROL	0x3e
-#define  PCI_BRIDGE_CTL_PARITY	0x01	/* Enable parity detection on secondary interface */
-#define  PCI_BRIDGE_CTL_SERR	0x02	/* The same for SERR forwarding */
-#define  PCI_BRIDGE_CTL_ISA	0x04	/* Enable ISA mode */
-#define  PCI_BRIDGE_CTL_VGA	0x08	/* Forward VGA addresses */
-#define  PCI_BRIDGE_CTL_MASTER_ABORT	0x20  /* Report master aborts */
-#define  PCI_BRIDGE_CTL_BUS_RESET	0x40	/* Secondary bus reset */
-#define  PCI_BRIDGE_CTL_FAST_BACK	0x80	/* Fast Back2Back enabled on secondary interface */
-
-/* Header type 2 (CardBus bridges) */
-#define PCI_CB_CAPABILITY_LIST	0x14
-/* 0x15 reserved */
-#define PCI_CB_SEC_STATUS	0x16	/* Secondary status */
-#define PCI_CB_PRIMARY_BUS	0x18	/* PCI bus number */
-#define PCI_CB_CARD_BUS		0x19	/* CardBus bus number */
-#define PCI_CB_SUBORDINATE_BUS	0x1a	/* Subordinate bus number */
-#define PCI_CB_LATENCY_TIMER	0x1b	/* CardBus latency timer */
-#define PCI_CB_MEMORY_BASE_0	0x1c
-#define PCI_CB_MEMORY_LIMIT_0	0x20
-#define PCI_CB_MEMORY_BASE_1	0x24
-#define PCI_CB_MEMORY_LIMIT_1	0x28
-#define PCI_CB_IO_BASE_0	0x2c
-#define PCI_CB_IO_BASE_0_HI	0x2e
-#define PCI_CB_IO_LIMIT_0	0x30
-#define PCI_CB_IO_LIMIT_0_HI	0x32
-#define PCI_CB_IO_BASE_1	0x34
-#define PCI_CB_IO_BASE_1_HI	0x36
-#define PCI_CB_IO_LIMIT_1	0x38
-#define PCI_CB_IO_LIMIT_1_HI	0x3a
-#define  PCI_CB_IO_RANGE_MASK	(~0x03UL)
-/* 0x3c-0x3d are same as for htype 0 */
-#define PCI_CB_BRIDGE_CONTROL	0x3e
-#define  PCI_CB_BRIDGE_CTL_PARITY	0x01	/* Similar to standard bridge control register */
-#define  PCI_CB_BRIDGE_CTL_SERR		0x02
-#define  PCI_CB_BRIDGE_CTL_ISA		0x04
-#define  PCI_CB_BRIDGE_CTL_VGA		0x08
-#define  PCI_CB_BRIDGE_CTL_MASTER_ABORT	0x20
-#define  PCI_CB_BRIDGE_CTL_CB_RESET	0x40	/* CardBus reset */
-#define  PCI_CB_BRIDGE_CTL_16BIT_INT	0x80	/* Enable interrupt for 16-bit cards */
-#define  PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 0x100	/* Prefetch enable for both memory regions */
-#define  PCI_CB_BRIDGE_CTL_PREFETCH_MEM1 0x200
-#define  PCI_CB_BRIDGE_CTL_POST_WRITES	0x400
-#define PCI_CB_SUBSYSTEM_VENDOR_ID	0x40
-#define PCI_CB_SUBSYSTEM_ID		0x42
-#define PCI_CB_LEGACY_MODE_BASE		0x44	/* 16-bit PC Card legacy mode base address (ExCa) */
-/* 0x48-0x7f reserved */
-
-/* Capability lists */
-
-#define PCI_CAP_LIST_ID		0	/* Capability ID */
-#define  PCI_CAP_ID_PM		0x01	/* Power Management */
-#define  PCI_CAP_ID_AGP		0x02	/* Accelerated Graphics Port */
-#define  PCI_CAP_ID_VPD		0x03	/* Vital Product Data */
-#define  PCI_CAP_ID_SLOTID	0x04	/* Slot Identification */
-#define  PCI_CAP_ID_MSI		0x05	/* Message Signalled Interrupts */
-#define  PCI_CAP_ID_CHSWP	0x06	/* CompactPCI HotSwap */
-#define  PCI_CAP_ID_PCIX	0x07	/* PCI-X */
-#define  PCI_CAP_ID_HT		0x08	/* HyperTransport */
-#define  PCI_CAP_ID_VNDR	0x09	/* Vendor specific */
-#define  PCI_CAP_ID_DBG		0x0A	/* Debug port */
-#define  PCI_CAP_ID_CCRC	0x0B	/* CompactPCI Central Resource Control */
-#define  PCI_CAP_ID_SHPC 	0x0C	/* PCI Standard Hot-Plug Controller */
-#define  PCI_CAP_ID_SSVID	0x0D	/* Bridge subsystem vendor/device ID */
-#define  PCI_CAP_ID_AGP3	0x0E	/* AGP Target PCI-PCI bridge */
-#define  PCI_CAP_ID_EXP 	0x10	/* PCI Express */
-#define  PCI_CAP_ID_MSIX	0x11	/* MSI-X */
-#define  PCI_CAP_ID_SATA	0x12	/* Serial ATA */
-#define  PCI_CAP_ID_AF		0x13	/* PCI Advanced Features */
-#define PCI_CAP_LIST_NEXT	1	/* Next capability in the list */
-#define PCI_CAP_FLAGS		2	/* Capability defined flags (16 bits) */
-#define PCI_CAP_SIZEOF		4
-
-/* Power Management Registers */
-
-#define PCI_PM_PMC		2	/* PM Capabilities Register */
-#define  PCI_PM_CAP_VER_MASK	0x0007	/* Version */
-#define  PCI_PM_CAP_PME_CLOCK	0x0008	/* PME clock required */
-#define  PCI_PM_CAP_RESERVED    0x0010  /* Reserved field */
-#define  PCI_PM_CAP_DSI		0x0020	/* Device specific initialization */
-#define  PCI_PM_CAP_AUX_POWER	0x01C0	/* Auxiliary power support mask */
-#define  PCI_PM_CAP_D1		0x0200	/* D1 power state support */
-#define  PCI_PM_CAP_D2		0x0400	/* D2 power state support */
-#define  PCI_PM_CAP_PME		0x0800	/* PME pin supported */
-#define  PCI_PM_CAP_PME_MASK	0xF800	/* PME Mask of all supported states */
-#define  PCI_PM_CAP_PME_D0	0x0800	/* PME# from D0 */
-#define  PCI_PM_CAP_PME_D1	0x1000	/* PME# from D1 */
-#define  PCI_PM_CAP_PME_D2	0x2000	/* PME# from D2 */
-#define  PCI_PM_CAP_PME_D3	0x4000	/* PME# from D3 (hot) */
-#define  PCI_PM_CAP_PME_D3cold	0x8000	/* PME# from D3 (cold) */
-#define  PCI_PM_CAP_PME_SHIFT	11	/* Start of the PME Mask in PMC */
-#define PCI_PM_CTRL		4	/* PM control and status register */
-#define  PCI_PM_CTRL_STATE_MASK	0x0003	/* Current power state (D0 to D3) */
-#define  PCI_PM_CTRL_NO_SOFT_RESET	0x0008	/* No reset for D3hot->D0 */
-#define  PCI_PM_CTRL_PME_ENABLE	0x0100	/* PME pin enable */
-#define  PCI_PM_CTRL_DATA_SEL_MASK	0x1e00	/* Data select (??) */
-#define  PCI_PM_CTRL_DATA_SCALE_MASK	0x6000	/* Data scale (??) */
-#define  PCI_PM_CTRL_PME_STATUS	0x8000	/* PME pin status */
-#define PCI_PM_PPB_EXTENSIONS	6	/* PPB support extensions (??) */
-#define  PCI_PM_PPB_B2_B3	0x40	/* Stop clock when in D3hot (??) */
-#define  PCI_PM_BPCC_ENABLE	0x80	/* Bus power/clock control enable (??) */
-#define PCI_PM_DATA_REGISTER	7	/* (??) */
-#define PCI_PM_SIZEOF		8
-
-/* AGP registers */
-
-#define PCI_AGP_VERSION		2	/* BCD version number */
-#define PCI_AGP_RFU		3	/* Rest of capability flags */
-#define PCI_AGP_STATUS		4	/* Status register */
-#define  PCI_AGP_STATUS_RQ_MASK	0xff000000	/* Maximum number of requests - 1 */
-#define  PCI_AGP_STATUS_SBA	0x0200	/* Sideband addressing supported */
-#define  PCI_AGP_STATUS_64BIT	0x0020	/* 64-bit addressing supported */
-#define  PCI_AGP_STATUS_FW	0x0010	/* FW transfers supported */
-#define  PCI_AGP_STATUS_RATE4	0x0004	/* 4x transfer rate supported */
-#define  PCI_AGP_STATUS_RATE2	0x0002	/* 2x transfer rate supported */
-#define  PCI_AGP_STATUS_RATE1	0x0001	/* 1x transfer rate supported */
-#define PCI_AGP_COMMAND		8	/* Control register */
-#define  PCI_AGP_COMMAND_RQ_MASK 0xff000000  /* Master: Maximum number of requests */
-#define  PCI_AGP_COMMAND_SBA	0x0200	/* Sideband addressing enabled */
-#define  PCI_AGP_COMMAND_AGP	0x0100	/* Allow processing of AGP transactions */
-#define  PCI_AGP_COMMAND_64BIT	0x0020 	/* Allow processing of 64-bit addresses */
-#define  PCI_AGP_COMMAND_FW	0x0010 	/* Force FW transfers */
-#define  PCI_AGP_COMMAND_RATE4	0x0004	/* Use 4x rate */
-#define  PCI_AGP_COMMAND_RATE2	0x0002	/* Use 2x rate */
-#define  PCI_AGP_COMMAND_RATE1	0x0001	/* Use 1x rate */
-#define PCI_AGP_SIZEOF		12
-
-/* Vital Product Data */
-
-#define PCI_VPD_ADDR		2	/* Address to access (15 bits!) */
-#define  PCI_VPD_ADDR_MASK	0x7fff	/* Address mask */
-#define  PCI_VPD_ADDR_F		0x8000	/* Write 0, 1 indicates completion */
-#define PCI_VPD_DATA		4	/* 32-bits of data returned here */
-
-/* Slot Identification */
-
-#define PCI_SID_ESR		2	/* Expansion Slot Register */
-#define  PCI_SID_ESR_NSLOTS	0x1f	/* Number of expansion slots available */
-#define  PCI_SID_ESR_FIC	0x20	/* First In Chassis Flag */
-#define PCI_SID_CHASSIS_NR	3	/* Chassis Number */
-
-/* Message Signalled Interrupts registers */
-
-#define PCI_MSI_FLAGS		2	/* Various flags */
-#define  PCI_MSI_FLAGS_64BIT	0x80	/* 64-bit addresses allowed */
-#define  PCI_MSI_FLAGS_QSIZE	0x70	/* Message queue size configured */
-#define  PCI_MSI_FLAGS_QMASK	0x0e	/* Maximum queue size available */
-#define  PCI_MSI_FLAGS_ENABLE	0x01	/* MSI feature enabled */
-#define  PCI_MSI_FLAGS_MASKBIT	0x100	/* 64-bit mask bits allowed */
-#define PCI_MSI_RFU		3	/* Rest of capability flags */
-#define PCI_MSI_ADDRESS_LO	4	/* Lower 32 bits */
-#define PCI_MSI_ADDRESS_HI	8	/* Upper 32 bits (if PCI_MSI_FLAGS_64BIT set) */
-#define PCI_MSI_DATA_32		8	/* 16 bits of data for 32-bit devices */
-#define PCI_MSI_MASK_32		12	/* Mask bits register for 32-bit devices */
-#define PCI_MSI_PENDING_32	16	/* Pending bits register for 32-bit devices */
-#define PCI_MSI_DATA_64		12	/* 16 bits of data for 64-bit devices */
-#define PCI_MSI_MASK_64		16	/* Mask bits register for 64-bit devices */
-#define PCI_MSI_PENDING_64	20	/* Pending bits register for 32-bit devices */
-
-/* MSI-X registers */
-#define PCI_MSIX_FLAGS		2
-#define  PCI_MSIX_FLAGS_QSIZE	0x7FF
-#define  PCI_MSIX_FLAGS_ENABLE	(1 << 15)
-#define  PCI_MSIX_FLAGS_MASKALL	(1 << 14)
-#define PCI_MSIX_TABLE		4
-#define PCI_MSIX_PBA		8
-#define  PCI_MSIX_FLAGS_BIRMASK	(7 << 0)
-
-/* MSI-X entry's format */
-#define PCI_MSIX_ENTRY_SIZE		16
-#define  PCI_MSIX_ENTRY_LOWER_ADDR	0
-#define  PCI_MSIX_ENTRY_UPPER_ADDR	4
-#define  PCI_MSIX_ENTRY_DATA		8
-#define  PCI_MSIX_ENTRY_VECTOR_CTRL	12
-#define   PCI_MSIX_ENTRY_CTRL_MASKBIT	1
-
-/* CompactPCI Hotswap Register */
-
-#define PCI_CHSWP_CSR		2	/* Control and Status Register */
-#define  PCI_CHSWP_DHA		0x01	/* Device Hiding Arm */
-#define  PCI_CHSWP_EIM		0x02	/* ENUM# Signal Mask */
-#define  PCI_CHSWP_PIE		0x04	/* Pending Insert or Extract */
-#define  PCI_CHSWP_LOO		0x08	/* LED On / Off */
-#define  PCI_CHSWP_PI		0x30	/* Programming Interface */
-#define  PCI_CHSWP_EXT		0x40	/* ENUM# status - extraction */
-#define  PCI_CHSWP_INS		0x80	/* ENUM# status - insertion */
-
-/* PCI Advanced Feature registers */
-
-#define PCI_AF_LENGTH		2
-#define PCI_AF_CAP		3
-#define  PCI_AF_CAP_TP		0x01
-#define  PCI_AF_CAP_FLR		0x02
-#define PCI_AF_CTRL		4
-#define  PCI_AF_CTRL_FLR	0x01
-#define PCI_AF_STATUS		5
-#define  PCI_AF_STATUS_TP	0x01
-
-/* PCI-X registers */
-
-#define PCI_X_CMD		2	/* Modes & Features */
-#define  PCI_X_CMD_DPERR_E	0x0001	/* Data Parity Error Recovery Enable */
-#define  PCI_X_CMD_ERO		0x0002	/* Enable Relaxed Ordering */
-#define  PCI_X_CMD_READ_512	0x0000	/* 512 byte maximum read byte count */
-#define  PCI_X_CMD_READ_1K	0x0004	/* 1Kbyte maximum read byte count */
-#define  PCI_X_CMD_READ_2K	0x0008	/* 2Kbyte maximum read byte count */
-#define  PCI_X_CMD_READ_4K	0x000c	/* 4Kbyte maximum read byte count */
-#define  PCI_X_CMD_MAX_READ	0x000c	/* Max Memory Read Byte Count */
-				/* Max # of outstanding split transactions */
-#define  PCI_X_CMD_SPLIT_1	0x0000	/* Max 1 */
-#define  PCI_X_CMD_SPLIT_2	0x0010	/* Max 2 */
-#define  PCI_X_CMD_SPLIT_3	0x0020	/* Max 3 */
-#define  PCI_X_CMD_SPLIT_4	0x0030	/* Max 4 */
-#define  PCI_X_CMD_SPLIT_8	0x0040	/* Max 8 */
-#define  PCI_X_CMD_SPLIT_12	0x0050	/* Max 12 */
-#define  PCI_X_CMD_SPLIT_16	0x0060	/* Max 16 */
-#define  PCI_X_CMD_SPLIT_32	0x0070	/* Max 32 */
-#define  PCI_X_CMD_MAX_SPLIT	0x0070	/* Max Outstanding Split Transactions */
-#define  PCI_X_CMD_VERSION(x) 	(((x) >> 12) & 3) /* Version */
-#define PCI_X_STATUS		4	/* PCI-X capabilities */
-#define  PCI_X_STATUS_DEVFN	0x000000ff	/* A copy of devfn */
-#define  PCI_X_STATUS_BUS	0x0000ff00	/* A copy of bus nr */
-#define  PCI_X_STATUS_64BIT	0x00010000	/* 64-bit device */
-#define  PCI_X_STATUS_133MHZ	0x00020000	/* 133 MHz capable */
-#define  PCI_X_STATUS_SPL_DISC	0x00040000	/* Split Completion Discarded */
-#define  PCI_X_STATUS_UNX_SPL	0x00080000	/* Unexpected Split Completion */
-#define  PCI_X_STATUS_COMPLEX	0x00100000	/* Device Complexity */
-#define  PCI_X_STATUS_MAX_READ	0x00600000	/* Designed Max Memory Read Count */
-#define  PCI_X_STATUS_MAX_SPLIT	0x03800000	/* Designed Max Outstanding Split Transactions */
-#define  PCI_X_STATUS_MAX_CUM	0x1c000000	/* Designed Max Cumulative Read Size */
-#define  PCI_X_STATUS_SPL_ERR	0x20000000	/* Rcvd Split Completion Error Msg */
-#define  PCI_X_STATUS_266MHZ	0x40000000	/* 266 MHz capable */
-#define  PCI_X_STATUS_533MHZ	0x80000000	/* 533 MHz capable */
-
-/* PCI Bridge Subsystem ID registers */
-
-#define PCI_SSVID_VENDOR_ID     4	/* PCI-Bridge subsystem vendor id register */
-#define PCI_SSVID_DEVICE_ID     6	/* PCI-Bridge subsystem device id register */
-
-/* PCI Express capability registers */
-
-#define PCI_EXP_FLAGS		2	/* Capabilities register */
-#define PCI_EXP_FLAGS_VERS	0x000f	/* Capability version */
-#define PCI_EXP_FLAGS_TYPE	0x00f0	/* Device/Port type */
-#define  PCI_EXP_TYPE_ENDPOINT	0x0	/* Express Endpoint */
-#define  PCI_EXP_TYPE_LEG_END	0x1	/* Legacy Endpoint */
-#define  PCI_EXP_TYPE_ROOT_PORT 0x4	/* Root Port */
-#define  PCI_EXP_TYPE_UPSTREAM	0x5	/* Upstream Port */
-#define  PCI_EXP_TYPE_DOWNSTREAM 0x6	/* Downstream Port */
-#define  PCI_EXP_TYPE_PCI_BRIDGE 0x7	/* PCI/PCI-X Bridge */
-#define  PCI_EXP_TYPE_PCIE_BRIDGE 0x8   /* PCI/PCI-X to PCIE Bridge */
-#define  PCI_EXP_TYPE_RC_END	0x9	/* Root Complex Integrated Endpoint */
-#define  PCI_EXP_TYPE_RC_EC     0xa     /* Root Complex Event Collector */
-#define PCI_EXP_FLAGS_SLOT	0x0100	/* Slot implemented */
-#define PCI_EXP_FLAGS_IRQ	0x3e00	/* Interrupt message number */
-#define PCI_EXP_DEVCAP		4	/* Device capabilities */
-#define  PCI_EXP_DEVCAP_PAYLOAD	0x07	/* Max_Payload_Size */
-#define  PCI_EXP_DEVCAP_PHANTOM	0x18	/* Phantom functions */
-#define  PCI_EXP_DEVCAP_EXT_TAG	0x20	/* Extended tags */
-#define  PCI_EXP_DEVCAP_L0S	0x1c0	/* L0s Acceptable Latency */
-#define  PCI_EXP_DEVCAP_L1	0xe00	/* L1 Acceptable Latency */
-#define  PCI_EXP_DEVCAP_ATN_BUT	0x1000	/* Attention Button Present */
-#define  PCI_EXP_DEVCAP_ATN_IND	0x2000	/* Attention Indicator Present */
-#define  PCI_EXP_DEVCAP_PWR_IND	0x4000	/* Power Indicator Present */
-#define  PCI_EXP_DEVCAP_RBER	0x8000	/* Role-Based Error Reporting */
-#define  PCI_EXP_DEVCAP_PWR_VAL	0x3fc0000 /* Slot Power Limit Value */
-#define  PCI_EXP_DEVCAP_PWR_SCL	0xc000000 /* Slot Power Limit Scale */
-#define  PCI_EXP_DEVCAP_FLR     0x10000000 /* Function Level Reset */
-#define PCI_EXP_DEVCTL		8	/* Device Control */
-#define  PCI_EXP_DEVCTL_CERE	0x0001	/* Correctable Error Reporting En. */
-#define  PCI_EXP_DEVCTL_NFERE	0x0002	/* Non-Fatal Error Reporting Enable */
-#define  PCI_EXP_DEVCTL_FERE	0x0004	/* Fatal Error Reporting Enable */
-#define  PCI_EXP_DEVCTL_URRE	0x0008	/* Unsupported Request Reporting En. */
-#define  PCI_EXP_DEVCTL_RELAX_EN 0x0010 /* Enable relaxed ordering */
-#define  PCI_EXP_DEVCTL_PAYLOAD	0x00e0	/* Max_Payload_Size */
-#define  PCI_EXP_DEVCTL_EXT_TAG	0x0100	/* Extended Tag Field Enable */
-#define  PCI_EXP_DEVCTL_PHANTOM	0x0200	/* Phantom Functions Enable */
-#define  PCI_EXP_DEVCTL_AUX_PME	0x0400	/* Auxiliary Power PM Enable */
-#define  PCI_EXP_DEVCTL_NOSNOOP_EN 0x0800  /* Enable No Snoop */
-#define  PCI_EXP_DEVCTL_READRQ	0x7000	/* Max_Read_Request_Size */
-#define  PCI_EXP_DEVCTL_BCR_FLR 0x8000  /* Bridge Configuration Retry / FLR */
-#define PCI_EXP_DEVSTA		10	/* Device Status */
-#define  PCI_EXP_DEVSTA_CED	0x01	/* Correctable Error Detected */
-#define  PCI_EXP_DEVSTA_NFED	0x02	/* Non-Fatal Error Detected */
-#define  PCI_EXP_DEVSTA_FED	0x04	/* Fatal Error Detected */
-#define  PCI_EXP_DEVSTA_URD	0x08	/* Unsupported Request Detected */
-#define  PCI_EXP_DEVSTA_AUXPD	0x10	/* AUX Power Detected */
-#define  PCI_EXP_DEVSTA_TRPND	0x20	/* Transactions Pending */
-#define PCI_EXP_LNKCAP		12	/* Link Capabilities */
-#define  PCI_EXP_LNKCAP_SLS	0x0000000f /* Supported Link Speeds */
-#define  PCI_EXP_LNKCAP_MLW	0x000003f0 /* Maximum Link Width */
-#define  PCI_EXP_LNKCAP_ASPMS	0x00000c00 /* ASPM Support */
-#define  PCI_EXP_LNKCAP_L0SEL	0x00007000 /* L0s Exit Latency */
-#define  PCI_EXP_LNKCAP_L1EL	0x00038000 /* L1 Exit Latency */
-#define  PCI_EXP_LNKCAP_CLKPM	0x00040000 /* L1 Clock Power Management */
-#define  PCI_EXP_LNKCAP_SDERC	0x00080000 /* Surprise Down Error Reporting Capable */
-#define  PCI_EXP_LNKCAP_DLLLARC	0x00100000 /* Data Link Layer Link Active Reporting Capable */
-#define  PCI_EXP_LNKCAP_LBNC	0x00200000 /* Link Bandwidth Notification Capability */
-#define  PCI_EXP_LNKCAP_PN	0xff000000 /* Port Number */
-#define PCI_EXP_LNKCTL		16	/* Link Control */
-#define  PCI_EXP_LNKCTL_ASPMC	0x0003	/* ASPM Control */
-#define  PCI_EXP_LNKCTL_RCB	0x0008	/* Read Completion Boundary */
-#define  PCI_EXP_LNKCTL_LD	0x0010	/* Link Disable */
-#define  PCI_EXP_LNKCTL_RL	0x0020	/* Retrain Link */
-#define  PCI_EXP_LNKCTL_CCC	0x0040	/* Common Clock Configuration */
-#define  PCI_EXP_LNKCTL_ES	0x0080	/* Extended Synch */
-#define  PCI_EXP_LNKCTL_CLKREQ_EN 0x100	/* Enable clkreq */
-#define  PCI_EXP_LNKCTL_HAWD	0x0200	/* Hardware Autonomous Width Disable */
-#define  PCI_EXP_LNKCTL_LBMIE	0x0400	/* Link Bandwidth Management Interrupt Enable */
-#define  PCI_EXP_LNKCTL_LABIE	0x0800	/* Lnk Autonomous Bandwidth Interrupt Enable */
-#define PCI_EXP_LNKSTA		18	/* Link Status */
-#define  PCI_EXP_LNKSTA_CLS	0x000f	/* Current Link Speed */
-#define  PCI_EXP_LNKSTA_CLS_2_5GB 0x01	/* Current Link Speed 2.5GT/s */
-#define  PCI_EXP_LNKSTA_CLS_5_0GB 0x02	/* Current Link Speed 5.0GT/s */
-#define  PCI_EXP_LNKSTA_NLW	0x03f0	/* Nogotiated Link Width */
-#define  PCI_EXP_LNKSTA_NLW_SHIFT 4	/* start of NLW mask in link status */
-#define  PCI_EXP_LNKSTA_LT	0x0800	/* Link Training */
-#define  PCI_EXP_LNKSTA_SLC	0x1000	/* Slot Clock Configuration */
-#define  PCI_EXP_LNKSTA_DLLLA	0x2000	/* Data Link Layer Link Active */
-#define  PCI_EXP_LNKSTA_LBMS	0x4000	/* Link Bandwidth Management Status */
-#define  PCI_EXP_LNKSTA_LABS	0x8000	/* Link Autonomous Bandwidth Status */
-#define PCI_EXP_SLTCAP		20	/* Slot Capabilities */
-#define  PCI_EXP_SLTCAP_ABP	0x00000001 /* Attention Button Present */
-#define  PCI_EXP_SLTCAP_PCP	0x00000002 /* Power Controller Present */
-#define  PCI_EXP_SLTCAP_MRLSP	0x00000004 /* MRL Sensor Present */
-#define  PCI_EXP_SLTCAP_AIP	0x00000008 /* Attention Indicator Present */
-#define  PCI_EXP_SLTCAP_PIP	0x00000010 /* Power Indicator Present */
-#define  PCI_EXP_SLTCAP_HPS	0x00000020 /* Hot-Plug Surprise */
-#define  PCI_EXP_SLTCAP_HPC	0x00000040 /* Hot-Plug Capable */
-#define  PCI_EXP_SLTCAP_SPLV	0x00007f80 /* Slot Power Limit Value */
-#define  PCI_EXP_SLTCAP_SPLS	0x00018000 /* Slot Power Limit Scale */
-#define  PCI_EXP_SLTCAP_EIP	0x00020000 /* Electromechanical Interlock Present */
-#define  PCI_EXP_SLTCAP_NCCS	0x00040000 /* No Command Completed Support */
-#define  PCI_EXP_SLTCAP_PSN	0xfff80000 /* Physical Slot Number */
-#define PCI_EXP_SLTCTL		24	/* Slot Control */
-#define  PCI_EXP_SLTCTL_ABPE	0x0001	/* Attention Button Pressed Enable */
-#define  PCI_EXP_SLTCTL_PFDE	0x0002	/* Power Fault Detected Enable */
-#define  PCI_EXP_SLTCTL_MRLSCE	0x0004	/* MRL Sensor Changed Enable */
-#define  PCI_EXP_SLTCTL_PDCE	0x0008	/* Presence Detect Changed Enable */
-#define  PCI_EXP_SLTCTL_CCIE	0x0010	/* Command Completed Interrupt Enable */
-#define  PCI_EXP_SLTCTL_HPIE	0x0020	/* Hot-Plug Interrupt Enable */
-#define  PCI_EXP_SLTCTL_AIC	0x00c0	/* Attention Indicator Control */
-#define  PCI_EXP_SLTCTL_PIC	0x0300	/* Power Indicator Control */
-#define  PCI_EXP_SLTCTL_PCC	0x0400	/* Power Controller Control */
-#define  PCI_EXP_SLTCTL_EIC	0x0800	/* Electromechanical Interlock Control */
-#define  PCI_EXP_SLTCTL_DLLSCE	0x1000	/* Data Link Layer State Changed Enable */
-#define PCI_EXP_SLTSTA		26	/* Slot Status */
-#define  PCI_EXP_SLTSTA_ABP	0x0001	/* Attention Button Pressed */
-#define  PCI_EXP_SLTSTA_PFD	0x0002	/* Power Fault Detected */
-#define  PCI_EXP_SLTSTA_MRLSC	0x0004	/* MRL Sensor Changed */
-#define  PCI_EXP_SLTSTA_PDC	0x0008	/* Presence Detect Changed */
-#define  PCI_EXP_SLTSTA_CC	0x0010	/* Command Completed */
-#define  PCI_EXP_SLTSTA_MRLSS	0x0020	/* MRL Sensor State */
-#define  PCI_EXP_SLTSTA_PDS	0x0040	/* Presence Detect State */
-#define  PCI_EXP_SLTSTA_EIS	0x0080	/* Electromechanical Interlock Status */
-#define  PCI_EXP_SLTSTA_DLLSC	0x0100	/* Data Link Layer State Changed */
-#define PCI_EXP_RTCTL		28	/* Root Control */
-#define  PCI_EXP_RTCTL_SECEE	0x01	/* System Error on Correctable Error */
-#define  PCI_EXP_RTCTL_SENFEE	0x02	/* System Error on Non-Fatal Error */
-#define  PCI_EXP_RTCTL_SEFEE	0x04	/* System Error on Fatal Error */
-#define  PCI_EXP_RTCTL_PMEIE	0x08	/* PME Interrupt Enable */
-#define  PCI_EXP_RTCTL_CRSSVE	0x10	/* CRS Software Visibility Enable */
-#define PCI_EXP_RTCAP		30	/* Root Capabilities */
-#define PCI_EXP_RTSTA		32	/* Root Status */
-#define PCI_EXP_RTSTA_PME	0x10000 /* PME status */
-#define PCI_EXP_RTSTA_PENDING	0x20000 /* PME pending */
-#define PCI_EXP_DEVCAP2		36	/* Device Capabilities 2 */
-#define  PCI_EXP_DEVCAP2_ARI	0x20	/* Alternative Routing-ID */
-#define  PCI_EXP_DEVCAP2_LTR	0x800	/* Latency tolerance reporting */
-#define  PCI_EXP_OBFF_MASK	0xc0000 /* OBFF support mechanism */
-#define  PCI_EXP_OBFF_MSG	0x40000 /* New message signaling */
-#define  PCI_EXP_OBFF_WAKE	0x80000 /* Re-use WAKE# for OBFF */
-#define PCI_EXP_DEVCTL2		40	/* Device Control 2 */
-#define  PCI_EXP_DEVCTL2_ARI	0x20	/* Alternative Routing-ID */
-#define  PCI_EXP_IDO_REQ_EN	0x100	/* ID-based ordering request enable */
-#define  PCI_EXP_IDO_CMP_EN	0x200	/* ID-based ordering completion enable */
-#define  PCI_EXP_LTR_EN		0x400	/* Latency tolerance reporting */
-#define  PCI_EXP_OBFF_MSGA_EN	0x2000	/* OBFF enable with Message type A */
-#define  PCI_EXP_OBFF_MSGB_EN	0x4000	/* OBFF enable with Message type B */
-#define  PCI_EXP_OBFF_WAKE_EN	0x6000	/* OBFF using WAKE# signaling */
-#define PCI_EXP_LNKCTL2		48	/* Link Control 2 */
-#define PCI_EXP_SLTCTL2		56	/* Slot Control 2 */
-
-/* Extended Capabilities (PCI-X 2.0 and Express) */
-#define PCI_EXT_CAP_ID(header)		(header & 0x0000ffff)
-#define PCI_EXT_CAP_VER(header)		((header >> 16) & 0xf)
-#define PCI_EXT_CAP_NEXT(header)	((header >> 20) & 0xffc)
-
-#define PCI_EXT_CAP_ID_ERR	1
-#define PCI_EXT_CAP_ID_VC	2
-#define PCI_EXT_CAP_ID_DSN	3
-#define PCI_EXT_CAP_ID_PWR	4
-#define PCI_EXT_CAP_ID_VNDR	11
-#define PCI_EXT_CAP_ID_ACS	13
-#define PCI_EXT_CAP_ID_ARI	14
-#define PCI_EXT_CAP_ID_ATS	15
-#define PCI_EXT_CAP_ID_SRIOV	16
-#define PCI_EXT_CAP_ID_LTR	24
-
-/* Advanced Error Reporting */
-#define PCI_ERR_UNCOR_STATUS	4	/* Uncorrectable Error Status */
-#define  PCI_ERR_UNC_TRAIN	0x00000001	/* Training */
-#define  PCI_ERR_UNC_DLP	0x00000010	/* Data Link Protocol */
-#define  PCI_ERR_UNC_POISON_TLP	0x00001000	/* Poisoned TLP */
-#define  PCI_ERR_UNC_FCP	0x00002000	/* Flow Control Protocol */
-#define  PCI_ERR_UNC_COMP_TIME	0x00004000	/* Completion Timeout */
-#define  PCI_ERR_UNC_COMP_ABORT	0x00008000	/* Completer Abort */
-#define  PCI_ERR_UNC_UNX_COMP	0x00010000	/* Unexpected Completion */
-#define  PCI_ERR_UNC_RX_OVER	0x00020000	/* Receiver Overflow */
-#define  PCI_ERR_UNC_MALF_TLP	0x00040000	/* Malformed TLP */
-#define  PCI_ERR_UNC_ECRC	0x00080000	/* ECRC Error Status */
-#define  PCI_ERR_UNC_UNSUP	0x00100000	/* Unsupported Request */
-#define PCI_ERR_UNCOR_MASK	8	/* Uncorrectable Error Mask */
-	/* Same bits as above */
-#define PCI_ERR_UNCOR_SEVER	12	/* Uncorrectable Error Severity */
-	/* Same bits as above */
-#define PCI_ERR_COR_STATUS	16	/* Correctable Error Status */
-#define  PCI_ERR_COR_RCVR	0x00000001	/* Receiver Error Status */
-#define  PCI_ERR_COR_BAD_TLP	0x00000040	/* Bad TLP Status */
-#define  PCI_ERR_COR_BAD_DLLP	0x00000080	/* Bad DLLP Status */
-#define  PCI_ERR_COR_REP_ROLL	0x00000100	/* REPLAY_NUM Rollover */
-#define  PCI_ERR_COR_REP_TIMER	0x00001000	/* Replay Timer Timeout */
-#define PCI_ERR_COR_MASK	20	/* Correctable Error Mask */
-	/* Same bits as above */
-#define PCI_ERR_CAP		24	/* Advanced Error Capabilities */
-#define  PCI_ERR_CAP_FEP(x)	((x) & 31)	/* First Error Pointer */
-#define  PCI_ERR_CAP_ECRC_GENC	0x00000020	/* ECRC Generation Capable */
-#define  PCI_ERR_CAP_ECRC_GENE	0x00000040	/* ECRC Generation Enable */
-#define  PCI_ERR_CAP_ECRC_CHKC	0x00000080	/* ECRC Check Capable */
-#define  PCI_ERR_CAP_ECRC_CHKE	0x00000100	/* ECRC Check Enable */
-#define PCI_ERR_HEADER_LOG	28	/* Header Log Register (16 bytes) */
-#define PCI_ERR_ROOT_COMMAND	44	/* Root Error Command */
-/* Correctable Err Reporting Enable */
-#define PCI_ERR_ROOT_CMD_COR_EN		0x00000001
-/* Non-fatal Err Reporting Enable */
-#define PCI_ERR_ROOT_CMD_NONFATAL_EN	0x00000002
-/* Fatal Err Reporting Enable */
-#define PCI_ERR_ROOT_CMD_FATAL_EN	0x00000004
-#define PCI_ERR_ROOT_STATUS	48
-#define PCI_ERR_ROOT_COR_RCV		0x00000001	/* ERR_COR Received */
-/* Multi ERR_COR Received */
-#define PCI_ERR_ROOT_MULTI_COR_RCV	0x00000002
-/* ERR_FATAL/NONFATAL Recevied */
-#define PCI_ERR_ROOT_UNCOR_RCV		0x00000004
-/* Multi ERR_FATAL/NONFATAL Recevied */
-#define PCI_ERR_ROOT_MULTI_UNCOR_RCV	0x00000008
-#define PCI_ERR_ROOT_FIRST_FATAL	0x00000010	/* First Fatal */
-#define PCI_ERR_ROOT_NONFATAL_RCV	0x00000020	/* Non-Fatal Received */
-#define PCI_ERR_ROOT_FATAL_RCV		0x00000040	/* Fatal Received */
-#define PCI_ERR_ROOT_ERR_SRC	52	/* Error Source Identification */
-
-/* Virtual Channel */
-#define PCI_VC_PORT_REG1	4
-#define PCI_VC_PORT_REG2	8
-#define PCI_VC_PORT_CTRL	12
-#define PCI_VC_PORT_STATUS	14
-#define PCI_VC_RES_CAP		16
-#define PCI_VC_RES_CTRL		20
-#define PCI_VC_RES_STATUS	26
-
-/* Power Budgeting */
-#define PCI_PWR_DSR		4	/* Data Select Register */
-#define PCI_PWR_DATA		8	/* Data Register */
-#define  PCI_PWR_DATA_BASE(x)	((x) & 0xff)	    /* Base Power */
-#define  PCI_PWR_DATA_SCALE(x)	(((x) >> 8) & 3)    /* Data Scale */
-#define  PCI_PWR_DATA_PM_SUB(x)	(((x) >> 10) & 7)   /* PM Sub State */
-#define  PCI_PWR_DATA_PM_STATE(x) (((x) >> 13) & 3) /* PM State */
-#define  PCI_PWR_DATA_TYPE(x)	(((x) >> 15) & 7)   /* Type */
-#define  PCI_PWR_DATA_RAIL(x)	(((x) >> 18) & 7)   /* Power Rail */
-#define PCI_PWR_CAP		12	/* Capability */
-#define  PCI_PWR_CAP_BUDGET(x)	((x) & 1)	/* Included in system budget */
-
-/*
- * Hypertransport sub capability types
- *
- * Unfortunately there are both 3 bit and 5 bit capability types defined
- * in the HT spec, catering for that is a little messy. You probably don't
- * want to use these directly, just use pci_find_ht_capability() and it
- * will do the right thing for you.
- */
-#define HT_3BIT_CAP_MASK	0xE0
-#define HT_CAPTYPE_SLAVE	0x00	/* Slave/Primary link configuration */
-#define HT_CAPTYPE_HOST		0x20	/* Host/Secondary link configuration */
-
-#define HT_5BIT_CAP_MASK	0xF8
-#define HT_CAPTYPE_IRQ		0x80	/* IRQ Configuration */
-#define HT_CAPTYPE_REMAPPING_40	0xA0	/* 40 bit address remapping */
-#define HT_CAPTYPE_REMAPPING_64 0xA2	/* 64 bit address remapping */
-#define HT_CAPTYPE_UNITID_CLUMP	0x90	/* Unit ID clumping */
-#define HT_CAPTYPE_EXTCONF	0x98	/* Extended Configuration Space Access */
-#define HT_CAPTYPE_MSI_MAPPING	0xA8	/* MSI Mapping Capability */
-#define  HT_MSI_FLAGS		0x02		/* Offset to flags */
-#define  HT_MSI_FLAGS_ENABLE	0x1		/* Mapping enable */
-#define  HT_MSI_FLAGS_FIXED	0x2		/* Fixed mapping only */
-#define  HT_MSI_FIXED_ADDR	0x00000000FEE00000ULL	/* Fixed addr */
-#define  HT_MSI_ADDR_LO		0x04		/* Offset to low addr bits */
-#define  HT_MSI_ADDR_LO_MASK	0xFFF00000	/* Low address bit mask */
-#define  HT_MSI_ADDR_HI		0x08		/* Offset to high addr bits */
-#define HT_CAPTYPE_DIRECT_ROUTE	0xB0	/* Direct routing configuration */
-#define HT_CAPTYPE_VCSET	0xB8	/* Virtual Channel configuration */
-#define HT_CAPTYPE_ERROR_RETRY	0xC0	/* Retry on error configuration */
-#define HT_CAPTYPE_GEN3		0xD0	/* Generation 3 hypertransport configuration */
-#define HT_CAPTYPE_PM		0xE0	/* Hypertransport powermanagement configuration */
-
-/* Alternative Routing-ID Interpretation */
-#define PCI_ARI_CAP		0x04	/* ARI Capability Register */
-#define  PCI_ARI_CAP_MFVC	0x0001	/* MFVC Function Groups Capability */
-#define  PCI_ARI_CAP_ACS	0x0002	/* ACS Function Groups Capability */
-#define  PCI_ARI_CAP_NFN(x)	(((x) >> 8) & 0xff) /* Next Function Number */
-#define PCI_ARI_CTRL		0x06	/* ARI Control Register */
-#define  PCI_ARI_CTRL_MFVC	0x0001	/* MFVC Function Groups Enable */
-#define  PCI_ARI_CTRL_ACS	0x0002	/* ACS Function Groups Enable */
-#define  PCI_ARI_CTRL_FG(x)	(((x) >> 4) & 7) /* Function Group */
-
-/* Address Translation Service */
-#define PCI_ATS_CAP		0x04	/* ATS Capability Register */
-#define  PCI_ATS_CAP_QDEP(x)	((x) & 0x1f)	/* Invalidate Queue Depth */
-#define  PCI_ATS_MAX_QDEP	32	/* Max Invalidate Queue Depth */
-#define PCI_ATS_CTRL		0x06	/* ATS Control Register */
-#define  PCI_ATS_CTRL_ENABLE	0x8000	/* ATS Enable */
-#define  PCI_ATS_CTRL_STU(x)	((x) & 0x1f)	/* Smallest Translation Unit */
-#define  PCI_ATS_MIN_STU	12	/* shift of minimum STU block */
-
-/* Single Root I/O Virtualization */
-#define PCI_SRIOV_CAP		0x04	/* SR-IOV Capabilities */
-#define  PCI_SRIOV_CAP_VFM	0x01	/* VF Migration Capable */
-#define  PCI_SRIOV_CAP_INTR(x)	((x) >> 21) /* Interrupt Message Number */
-#define PCI_SRIOV_CTRL		0x08	/* SR-IOV Control */
-#define  PCI_SRIOV_CTRL_VFE	0x01	/* VF Enable */
-#define  PCI_SRIOV_CTRL_VFM	0x02	/* VF Migration Enable */
-#define  PCI_SRIOV_CTRL_INTR	0x04	/* VF Migration Interrupt Enable */
-#define  PCI_SRIOV_CTRL_MSE	0x08	/* VF Memory Space Enable */
-#define  PCI_SRIOV_CTRL_ARI	0x10	/* ARI Capable Hierarchy */
-#define PCI_SRIOV_STATUS	0x0a	/* SR-IOV Status */
-#define  PCI_SRIOV_STATUS_VFM	0x01	/* VF Migration Status */
-#define PCI_SRIOV_INITIAL_VF	0x0c	/* Initial VFs */
-#define PCI_SRIOV_TOTAL_VF	0x0e	/* Total VFs */
-#define PCI_SRIOV_NUM_VF	0x10	/* Number of VFs */
-#define PCI_SRIOV_FUNC_LINK	0x12	/* Function Dependency Link */
-#define PCI_SRIOV_VF_OFFSET	0x14	/* First VF Offset */
-#define PCI_SRIOV_VF_STRIDE	0x16	/* Following VF Stride */
-#define PCI_SRIOV_VF_DID	0x1a	/* VF Device ID */
-#define PCI_SRIOV_SUP_PGSIZE	0x1c	/* Supported Page Sizes */
-#define PCI_SRIOV_SYS_PGSIZE	0x20	/* System Page Size */
-#define PCI_SRIOV_BAR		0x24	/* VF BAR0 */
-#define  PCI_SRIOV_NUM_BARS	6	/* Number of VF BARs */
-#define PCI_SRIOV_VFM		0x3c	/* VF Migration State Array Offset*/
-#define  PCI_SRIOV_VFM_BIR(x)	((x) & 7)	/* State BIR */
-#define  PCI_SRIOV_VFM_OFFSET(x) ((x) & ~7)	/* State Offset */
-#define  PCI_SRIOV_VFM_UA	0x0	/* Inactive.Unavailable */
-#define  PCI_SRIOV_VFM_MI	0x1	/* Dormant.MigrateIn */
-#define  PCI_SRIOV_VFM_MO	0x2	/* Active.MigrateOut */
-#define  PCI_SRIOV_VFM_AV	0x3	/* Active.Available */
-
-#define PCI_LTR_MAX_SNOOP_LAT	0x4
-#define PCI_LTR_MAX_NOSNOOP_LAT	0x6
-#define  PCI_LTR_VALUE_MASK	0x000003ff
-#define  PCI_LTR_SCALE_MASK	0x00001c00
-#define  PCI_LTR_SCALE_SHIFT	10
-
-/* Access Control Service */
-#define PCI_ACS_CAP		0x04	/* ACS Capability Register */
-#define  PCI_ACS_SV		0x01	/* Source Validation */
-#define  PCI_ACS_TB		0x02	/* Translation Blocking */
-#define  PCI_ACS_RR		0x04	/* P2P Request Redirect */
-#define  PCI_ACS_CR		0x08	/* P2P Completion Redirect */
-#define  PCI_ACS_UF		0x10	/* Upstream Forwarding */
-#define  PCI_ACS_EC		0x20	/* P2P Egress Control */
-#define  PCI_ACS_DT		0x40	/* Direct Translated P2P */
-#define PCI_ACS_CTRL		0x06	/* ACS Control Register */
-#define PCI_ACS_EGRESS_CTL_V	0x08	/* ACS Egress Control Vector */
-
-#endif /* LINUX_PCI_REGS_H */
+#include "standard-headers/linux/pci_regs.h"
diff --git a/include/hw/virtio/virtio-net.h b/include/hw/virtio/virtio-net.h
index 280dacfbe9..60b11d5c2c 100644
--- a/include/hw/virtio/virtio-net.h
+++ b/include/hw/virtio/virtio-net.h
@@ -21,9 +21,6 @@
 #define VIRTIO_NET(obj) \
         OBJECT_CHECK(VirtIONet, (obj), TYPE_VIRTIO_NET)
 
-#define VIRTIO_NET_F_CTRL_GUEST_OFFLOADS 2 /* Control channel offload
-                                         * configuration support */
-
 #define TX_TIMER_INTERVAL 150000 /* 150 us */
 
 /* Limit the number of packets that can be sent via a single flush
@@ -100,15 +97,6 @@ typedef struct VirtIONet {
     int announce_counter;
 } VirtIONet;
 
-/*
- * Control network offloads
- *
- * Dynamic offloads are available with the
- * VIRTIO_NET_F_CTRL_GUEST_OFFLOADS feature bit.
- */
-#define VIRTIO_NET_CTRL_GUEST_OFFLOADS   5
-#define VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET        0
-
 void virtio_net_set_netclient_name(VirtIONet *n, const char *name,
                                    const char *type);
 
diff --git a/include/standard-headers/linux/pci_regs.h b/include/standard-headers/linux/pci_regs.h
new file mode 100644
index 0000000000..57e8c80c30
--- /dev/null
+++ b/include/standard-headers/linux/pci_regs.h
@@ -0,0 +1,719 @@
+/*
+ *	pci_regs.h
+ *
+ *	PCI standard defines
+ *	Copyright 1994, Drew Eckhardt
+ *	Copyright 1997--1999 Martin Mares <mj@ucw.cz>
+ *
+ *	For more information, please consult the following manuals (look at
+ *	http://www.pcisig.com/ for how to get them):
+ *
+ *	PCI BIOS Specification
+ *	PCI Local Bus Specification
+ *	PCI to PCI Bridge Specification
+ *	PCI System Design Guide
+ *
+ * 	For hypertransport information, please consult the following manuals
+ * 	from http://www.hypertransport.org
+ *
+ *	The Hypertransport I/O Link Specification
+ */
+
+#ifndef LINUX_PCI_REGS_H
+#define LINUX_PCI_REGS_H
+
+/*
+ * Under PCI, each device has 256 bytes of configuration address space,
+ * of which the first 64 bytes are standardized as follows:
+ */
+#define PCI_VENDOR_ID		0x00	/* 16 bits */
+#define PCI_DEVICE_ID		0x02	/* 16 bits */
+#define PCI_COMMAND		0x04	/* 16 bits */
+#define  PCI_COMMAND_IO		0x1	/* Enable response in I/O space */
+#define  PCI_COMMAND_MEMORY	0x2	/* Enable response in Memory space */
+#define  PCI_COMMAND_MASTER	0x4	/* Enable bus mastering */
+#define  PCI_COMMAND_SPECIAL	0x8	/* Enable response to special cycles */
+#define  PCI_COMMAND_INVALIDATE	0x10	/* Use memory write and invalidate */
+#define  PCI_COMMAND_VGA_PALETTE 0x20	/* Enable palette snooping */
+#define  PCI_COMMAND_PARITY	0x40	/* Enable parity checking */
+#define  PCI_COMMAND_WAIT 	0x80	/* Enable address/data stepping */
+#define  PCI_COMMAND_SERR	0x100	/* Enable SERR */
+#define  PCI_COMMAND_FAST_BACK	0x200	/* Enable back-to-back writes */
+#define  PCI_COMMAND_INTX_DISABLE 0x400 /* INTx Emulation Disable */
+
+#define PCI_STATUS		0x06	/* 16 bits */
+#define  PCI_STATUS_INTERRUPT	0x08	/* Interrupt status */
+#define  PCI_STATUS_CAP_LIST	0x10	/* Support Capability List */
+#define  PCI_STATUS_66MHZ	0x20	/* Support 66 Mhz PCI 2.1 bus */
+#define  PCI_STATUS_UDF		0x40	/* Support User Definable Features [obsolete] */
+#define  PCI_STATUS_FAST_BACK	0x80	/* Accept fast-back to back */
+#define  PCI_STATUS_PARITY	0x100	/* Detected parity error */
+#define  PCI_STATUS_DEVSEL_MASK	0x600	/* DEVSEL timing */
+#define  PCI_STATUS_DEVSEL_FAST		0x000
+#define  PCI_STATUS_DEVSEL_MEDIUM	0x200
+#define  PCI_STATUS_DEVSEL_SLOW		0x400
+#define  PCI_STATUS_SIG_TARGET_ABORT	0x800 /* Set on target abort */
+#define  PCI_STATUS_REC_TARGET_ABORT	0x1000 /* Master ack of " */
+#define  PCI_STATUS_REC_MASTER_ABORT	0x2000 /* Set on master abort */
+#define  PCI_STATUS_SIG_SYSTEM_ERROR	0x4000 /* Set when we drive SERR */
+#define  PCI_STATUS_DETECTED_PARITY	0x8000 /* Set on parity error */
+
+#define PCI_CLASS_REVISION	0x08	/* High 24 bits are class, low 8 revision */
+#define PCI_REVISION_ID		0x08	/* Revision ID */
+#define PCI_CLASS_PROG		0x09	/* Reg. Level Programming Interface */
+#define PCI_CLASS_DEVICE	0x0a	/* Device class */
+
+#define PCI_CACHE_LINE_SIZE	0x0c	/* 8 bits */
+#define PCI_LATENCY_TIMER	0x0d	/* 8 bits */
+#define PCI_HEADER_TYPE		0x0e	/* 8 bits */
+#define  PCI_HEADER_TYPE_NORMAL		0
+#define  PCI_HEADER_TYPE_BRIDGE		1
+#define  PCI_HEADER_TYPE_CARDBUS	2
+
+#define PCI_BIST		0x0f	/* 8 bits */
+#define  PCI_BIST_CODE_MASK	0x0f	/* Return result */
+#define  PCI_BIST_START		0x40	/* 1 to start BIST, 2 secs or less */
+#define  PCI_BIST_CAPABLE	0x80	/* 1 if BIST capable */
+
+/*
+ * Base addresses specify locations in memory or I/O space.
+ * Decoded size can be determined by writing a value of
+ * 0xffffffff to the register, and reading it back.  Only
+ * 1 bits are decoded.
+ */
+#define PCI_BASE_ADDRESS_0	0x10	/* 32 bits */
+#define PCI_BASE_ADDRESS_1	0x14	/* 32 bits [htype 0,1 only] */
+#define PCI_BASE_ADDRESS_2	0x18	/* 32 bits [htype 0 only] */
+#define PCI_BASE_ADDRESS_3	0x1c	/* 32 bits */
+#define PCI_BASE_ADDRESS_4	0x20	/* 32 bits */
+#define PCI_BASE_ADDRESS_5	0x24	/* 32 bits */
+#define  PCI_BASE_ADDRESS_SPACE		0x01	/* 0 = memory, 1 = I/O */
+#define  PCI_BASE_ADDRESS_SPACE_IO	0x01
+#define  PCI_BASE_ADDRESS_SPACE_MEMORY	0x00
+#define  PCI_BASE_ADDRESS_MEM_TYPE_MASK	0x06
+#define  PCI_BASE_ADDRESS_MEM_TYPE_32	0x00	/* 32 bit address */
+#define  PCI_BASE_ADDRESS_MEM_TYPE_1M	0x02	/* Below 1M [obsolete] */
+#define  PCI_BASE_ADDRESS_MEM_TYPE_64	0x04	/* 64 bit address */
+#define  PCI_BASE_ADDRESS_MEM_PREFETCH	0x08	/* prefetchable? */
+#define  PCI_BASE_ADDRESS_MEM_MASK	(~0x0fUL)
+#define  PCI_BASE_ADDRESS_IO_MASK	(~0x03UL)
+/* bit 1 is reserved if address_space = 1 */
+
+/* Header type 0 (normal devices) */
+#define PCI_CARDBUS_CIS		0x28
+#define PCI_SUBSYSTEM_VENDOR_ID	0x2c
+#define PCI_SUBSYSTEM_ID	0x2e
+#define PCI_ROM_ADDRESS		0x30	/* Bits 31..11 are address, 10..1 reserved */
+#define  PCI_ROM_ADDRESS_ENABLE	0x01
+#define PCI_ROM_ADDRESS_MASK	(~0x7ffUL)
+
+#define PCI_CAPABILITY_LIST	0x34	/* Offset of first capability list entry */
+
+/* 0x35-0x3b are reserved */
+#define PCI_INTERRUPT_LINE	0x3c	/* 8 bits */
+#define PCI_INTERRUPT_PIN	0x3d	/* 8 bits */
+#define PCI_MIN_GNT		0x3e	/* 8 bits */
+#define PCI_MAX_LAT		0x3f	/* 8 bits */
+
+/* Header type 1 (PCI-to-PCI bridges) */
+#define PCI_PRIMARY_BUS		0x18	/* Primary bus number */
+#define PCI_SECONDARY_BUS	0x19	/* Secondary bus number */
+#define PCI_SUBORDINATE_BUS	0x1a	/* Highest bus number behind the bridge */
+#define PCI_SEC_LATENCY_TIMER	0x1b	/* Latency timer for secondary interface */
+#define PCI_IO_BASE		0x1c	/* I/O range behind the bridge */
+#define PCI_IO_LIMIT		0x1d
+#define  PCI_IO_RANGE_TYPE_MASK	0x0fUL	/* I/O bridging type */
+#define  PCI_IO_RANGE_TYPE_16	0x00
+#define  PCI_IO_RANGE_TYPE_32	0x01
+#define  PCI_IO_RANGE_MASK	(~0x0fUL)
+#define PCI_SEC_STATUS		0x1e	/* Secondary status register, only bit 14 used */
+#define PCI_MEMORY_BASE		0x20	/* Memory range behind */
+#define PCI_MEMORY_LIMIT	0x22
+#define  PCI_MEMORY_RANGE_TYPE_MASK 0x0fUL
+#define  PCI_MEMORY_RANGE_MASK	(~0x0fUL)
+#define PCI_PREF_MEMORY_BASE	0x24	/* Prefetchable memory range behind */
+#define PCI_PREF_MEMORY_LIMIT	0x26
+#define  PCI_PREF_RANGE_TYPE_MASK 0x0fUL
+#define  PCI_PREF_RANGE_TYPE_32	0x00
+#define  PCI_PREF_RANGE_TYPE_64	0x01
+#define  PCI_PREF_RANGE_MASK	(~0x0fUL)
+#define PCI_PREF_BASE_UPPER32	0x28	/* Upper half of prefetchable memory range */
+#define PCI_PREF_LIMIT_UPPER32	0x2c
+#define PCI_IO_BASE_UPPER16	0x30	/* Upper half of I/O addresses */
+#define PCI_IO_LIMIT_UPPER16	0x32
+/* 0x34 same as for htype 0 */
+/* 0x35-0x3b is reserved */
+#define PCI_ROM_ADDRESS1	0x38	/* Same as PCI_ROM_ADDRESS, but for htype 1 */
+/* 0x3c-0x3d are same as for htype 0 */
+#define PCI_BRIDGE_CONTROL	0x3e
+#define  PCI_BRIDGE_CTL_PARITY	0x01	/* Enable parity detection on secondary interface */
+#define  PCI_BRIDGE_CTL_SERR	0x02	/* The same for SERR forwarding */
+#define  PCI_BRIDGE_CTL_ISA	0x04	/* Enable ISA mode */
+#define  PCI_BRIDGE_CTL_VGA	0x08	/* Forward VGA addresses */
+#define  PCI_BRIDGE_CTL_MASTER_ABORT	0x20  /* Report master aborts */
+#define  PCI_BRIDGE_CTL_BUS_RESET	0x40	/* Secondary bus reset */
+#define  PCI_BRIDGE_CTL_FAST_BACK	0x80	/* Fast Back2Back enabled on secondary interface */
+
+/* Header type 2 (CardBus bridges) */
+#define PCI_CB_CAPABILITY_LIST	0x14
+/* 0x15 reserved */
+#define PCI_CB_SEC_STATUS	0x16	/* Secondary status */
+#define PCI_CB_PRIMARY_BUS	0x18	/* PCI bus number */
+#define PCI_CB_CARD_BUS		0x19	/* CardBus bus number */
+#define PCI_CB_SUBORDINATE_BUS	0x1a	/* Subordinate bus number */
+#define PCI_CB_LATENCY_TIMER	0x1b	/* CardBus latency timer */
+#define PCI_CB_MEMORY_BASE_0	0x1c
+#define PCI_CB_MEMORY_LIMIT_0	0x20
+#define PCI_CB_MEMORY_BASE_1	0x24
+#define PCI_CB_MEMORY_LIMIT_1	0x28
+#define PCI_CB_IO_BASE_0	0x2c
+#define PCI_CB_IO_BASE_0_HI	0x2e
+#define PCI_CB_IO_LIMIT_0	0x30
+#define PCI_CB_IO_LIMIT_0_HI	0x32
+#define PCI_CB_IO_BASE_1	0x34
+#define PCI_CB_IO_BASE_1_HI	0x36
+#define PCI_CB_IO_LIMIT_1	0x38
+#define PCI_CB_IO_LIMIT_1_HI	0x3a
+#define  PCI_CB_IO_RANGE_MASK	(~0x03UL)
+/* 0x3c-0x3d are same as for htype 0 */
+#define PCI_CB_BRIDGE_CONTROL	0x3e
+#define  PCI_CB_BRIDGE_CTL_PARITY	0x01	/* Similar to standard bridge control register */
+#define  PCI_CB_BRIDGE_CTL_SERR		0x02
+#define  PCI_CB_BRIDGE_CTL_ISA		0x04
+#define  PCI_CB_BRIDGE_CTL_VGA		0x08
+#define  PCI_CB_BRIDGE_CTL_MASTER_ABORT	0x20
+#define  PCI_CB_BRIDGE_CTL_CB_RESET	0x40	/* CardBus reset */
+#define  PCI_CB_BRIDGE_CTL_16BIT_INT	0x80	/* Enable interrupt for 16-bit cards */
+#define  PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 0x100	/* Prefetch enable for both memory regions */
+#define  PCI_CB_BRIDGE_CTL_PREFETCH_MEM1 0x200
+#define  PCI_CB_BRIDGE_CTL_POST_WRITES	0x400
+#define PCI_CB_SUBSYSTEM_VENDOR_ID	0x40
+#define PCI_CB_SUBSYSTEM_ID		0x42
+#define PCI_CB_LEGACY_MODE_BASE		0x44	/* 16-bit PC Card legacy mode base address (ExCa) */
+/* 0x48-0x7f reserved */
+
+/* Capability lists */
+
+#define PCI_CAP_LIST_ID		0	/* Capability ID */
+#define  PCI_CAP_ID_PM		0x01	/* Power Management */
+#define  PCI_CAP_ID_AGP		0x02	/* Accelerated Graphics Port */
+#define  PCI_CAP_ID_VPD		0x03	/* Vital Product Data */
+#define  PCI_CAP_ID_SLOTID	0x04	/* Slot Identification */
+#define  PCI_CAP_ID_MSI		0x05	/* Message Signalled Interrupts */
+#define  PCI_CAP_ID_CHSWP	0x06	/* CompactPCI HotSwap */
+#define  PCI_CAP_ID_PCIX	0x07	/* PCI-X */
+#define  PCI_CAP_ID_HT		0x08	/* HyperTransport */
+#define  PCI_CAP_ID_VNDR	0x09	/* Vendor specific */
+#define  PCI_CAP_ID_DBG		0x0A	/* Debug port */
+#define  PCI_CAP_ID_CCRC	0x0B	/* CompactPCI Central Resource Control */
+#define  PCI_CAP_ID_SHPC 	0x0C	/* PCI Standard Hot-Plug Controller */
+#define  PCI_CAP_ID_SSVID	0x0D	/* Bridge subsystem vendor/device ID */
+#define  PCI_CAP_ID_AGP3	0x0E	/* AGP Target PCI-PCI bridge */
+#define  PCI_CAP_ID_EXP 	0x10	/* PCI Express */
+#define  PCI_CAP_ID_MSIX	0x11	/* MSI-X */
+#define  PCI_CAP_ID_SATA	0x12	/* Serial ATA */
+#define  PCI_CAP_ID_AF		0x13	/* PCI Advanced Features */
+#define PCI_CAP_LIST_NEXT	1	/* Next capability in the list */
+#define PCI_CAP_FLAGS		2	/* Capability defined flags (16 bits) */
+#define PCI_CAP_SIZEOF		4
+
+/* Power Management Registers */
+
+#define PCI_PM_PMC		2	/* PM Capabilities Register */
+#define  PCI_PM_CAP_VER_MASK	0x0007	/* Version */
+#define  PCI_PM_CAP_PME_CLOCK	0x0008	/* PME clock required */
+#define  PCI_PM_CAP_RESERVED    0x0010  /* Reserved field */
+#define  PCI_PM_CAP_DSI		0x0020	/* Device specific initialization */
+#define  PCI_PM_CAP_AUX_POWER	0x01C0	/* Auxiliary power support mask */
+#define  PCI_PM_CAP_D1		0x0200	/* D1 power state support */
+#define  PCI_PM_CAP_D2		0x0400	/* D2 power state support */
+#define  PCI_PM_CAP_PME		0x0800	/* PME pin supported */
+#define  PCI_PM_CAP_PME_MASK	0xF800	/* PME Mask of all supported states */
+#define  PCI_PM_CAP_PME_D0	0x0800	/* PME# from D0 */
+#define  PCI_PM_CAP_PME_D1	0x1000	/* PME# from D1 */
+#define  PCI_PM_CAP_PME_D2	0x2000	/* PME# from D2 */
+#define  PCI_PM_CAP_PME_D3	0x4000	/* PME# from D3 (hot) */
+#define  PCI_PM_CAP_PME_D3cold	0x8000	/* PME# from D3 (cold) */
+#define  PCI_PM_CAP_PME_SHIFT	11	/* Start of the PME Mask in PMC */
+#define PCI_PM_CTRL		4	/* PM control and status register */
+#define  PCI_PM_CTRL_STATE_MASK	0x0003	/* Current power state (D0 to D3) */
+#define  PCI_PM_CTRL_NO_SOFT_RESET	0x0008	/* No reset for D3hot->D0 */
+#define  PCI_PM_CTRL_PME_ENABLE	0x0100	/* PME pin enable */
+#define  PCI_PM_CTRL_DATA_SEL_MASK	0x1e00	/* Data select (??) */
+#define  PCI_PM_CTRL_DATA_SCALE_MASK	0x6000	/* Data scale (??) */
+#define  PCI_PM_CTRL_PME_STATUS	0x8000	/* PME pin status */
+#define PCI_PM_PPB_EXTENSIONS	6	/* PPB support extensions (??) */
+#define  PCI_PM_PPB_B2_B3	0x40	/* Stop clock when in D3hot (??) */
+#define  PCI_PM_BPCC_ENABLE	0x80	/* Bus power/clock control enable (??) */
+#define PCI_PM_DATA_REGISTER	7	/* (??) */
+#define PCI_PM_SIZEOF		8
+
+/* AGP registers */
+
+#define PCI_AGP_VERSION		2	/* BCD version number */
+#define PCI_AGP_RFU		3	/* Rest of capability flags */
+#define PCI_AGP_STATUS		4	/* Status register */
+#define  PCI_AGP_STATUS_RQ_MASK	0xff000000	/* Maximum number of requests - 1 */
+#define  PCI_AGP_STATUS_SBA	0x0200	/* Sideband addressing supported */
+#define  PCI_AGP_STATUS_64BIT	0x0020	/* 64-bit addressing supported */
+#define  PCI_AGP_STATUS_FW	0x0010	/* FW transfers supported */
+#define  PCI_AGP_STATUS_RATE4	0x0004	/* 4x transfer rate supported */
+#define  PCI_AGP_STATUS_RATE2	0x0002	/* 2x transfer rate supported */
+#define  PCI_AGP_STATUS_RATE1	0x0001	/* 1x transfer rate supported */
+#define PCI_AGP_COMMAND		8	/* Control register */
+#define  PCI_AGP_COMMAND_RQ_MASK 0xff000000  /* Master: Maximum number of requests */
+#define  PCI_AGP_COMMAND_SBA	0x0200	/* Sideband addressing enabled */
+#define  PCI_AGP_COMMAND_AGP	0x0100	/* Allow processing of AGP transactions */
+#define  PCI_AGP_COMMAND_64BIT	0x0020 	/* Allow processing of 64-bit addresses */
+#define  PCI_AGP_COMMAND_FW	0x0010 	/* Force FW transfers */
+#define  PCI_AGP_COMMAND_RATE4	0x0004	/* Use 4x rate */
+#define  PCI_AGP_COMMAND_RATE2	0x0002	/* Use 2x rate */
+#define  PCI_AGP_COMMAND_RATE1	0x0001	/* Use 1x rate */
+#define PCI_AGP_SIZEOF		12
+
+/* Vital Product Data */
+
+#define PCI_VPD_ADDR		2	/* Address to access (15 bits!) */
+#define  PCI_VPD_ADDR_MASK	0x7fff	/* Address mask */
+#define  PCI_VPD_ADDR_F		0x8000	/* Write 0, 1 indicates completion */
+#define PCI_VPD_DATA		4	/* 32-bits of data returned here */
+
+/* Slot Identification */
+
+#define PCI_SID_ESR		2	/* Expansion Slot Register */
+#define  PCI_SID_ESR_NSLOTS	0x1f	/* Number of expansion slots available */
+#define  PCI_SID_ESR_FIC	0x20	/* First In Chassis Flag */
+#define PCI_SID_CHASSIS_NR	3	/* Chassis Number */
+
+/* Message Signalled Interrupts registers */
+
+#define PCI_MSI_FLAGS		2	/* Various flags */
+#define  PCI_MSI_FLAGS_64BIT	0x80	/* 64-bit addresses allowed */
+#define  PCI_MSI_FLAGS_QSIZE	0x70	/* Message queue size configured */
+#define  PCI_MSI_FLAGS_QMASK	0x0e	/* Maximum queue size available */
+#define  PCI_MSI_FLAGS_ENABLE	0x01	/* MSI feature enabled */
+#define  PCI_MSI_FLAGS_MASKBIT	0x100	/* 64-bit mask bits allowed */
+#define PCI_MSI_RFU		3	/* Rest of capability flags */
+#define PCI_MSI_ADDRESS_LO	4	/* Lower 32 bits */
+#define PCI_MSI_ADDRESS_HI	8	/* Upper 32 bits (if PCI_MSI_FLAGS_64BIT set) */
+#define PCI_MSI_DATA_32		8	/* 16 bits of data for 32-bit devices */
+#define PCI_MSI_MASK_32		12	/* Mask bits register for 32-bit devices */
+#define PCI_MSI_PENDING_32	16	/* Pending bits register for 32-bit devices */
+#define PCI_MSI_DATA_64		12	/* 16 bits of data for 64-bit devices */
+#define PCI_MSI_MASK_64		16	/* Mask bits register for 64-bit devices */
+#define PCI_MSI_PENDING_64	20	/* Pending bits register for 32-bit devices */
+
+/* MSI-X registers */
+#define PCI_MSIX_FLAGS		2
+#define  PCI_MSIX_FLAGS_QSIZE	0x7FF
+#define  PCI_MSIX_FLAGS_ENABLE	(1 << 15)
+#define  PCI_MSIX_FLAGS_MASKALL	(1 << 14)
+#define PCI_MSIX_TABLE		4
+#define PCI_MSIX_PBA		8
+#define  PCI_MSIX_FLAGS_BIRMASK	(7 << 0)
+
+/* MSI-X entry's format */
+#define PCI_MSIX_ENTRY_SIZE		16
+#define  PCI_MSIX_ENTRY_LOWER_ADDR	0
+#define  PCI_MSIX_ENTRY_UPPER_ADDR	4
+#define  PCI_MSIX_ENTRY_DATA		8
+#define  PCI_MSIX_ENTRY_VECTOR_CTRL	12
+#define   PCI_MSIX_ENTRY_CTRL_MASKBIT	1
+
+/* CompactPCI Hotswap Register */
+
+#define PCI_CHSWP_CSR		2	/* Control and Status Register */
+#define  PCI_CHSWP_DHA		0x01	/* Device Hiding Arm */
+#define  PCI_CHSWP_EIM		0x02	/* ENUM# Signal Mask */
+#define  PCI_CHSWP_PIE		0x04	/* Pending Insert or Extract */
+#define  PCI_CHSWP_LOO		0x08	/* LED On / Off */
+#define  PCI_CHSWP_PI		0x30	/* Programming Interface */
+#define  PCI_CHSWP_EXT		0x40	/* ENUM# status - extraction */
+#define  PCI_CHSWP_INS		0x80	/* ENUM# status - insertion */
+
+/* PCI Advanced Feature registers */
+
+#define PCI_AF_LENGTH		2
+#define PCI_AF_CAP		3
+#define  PCI_AF_CAP_TP		0x01
+#define  PCI_AF_CAP_FLR		0x02
+#define PCI_AF_CTRL		4
+#define  PCI_AF_CTRL_FLR	0x01
+#define PCI_AF_STATUS		5
+#define  PCI_AF_STATUS_TP	0x01
+
+/* PCI-X registers */
+
+#define PCI_X_CMD		2	/* Modes & Features */
+#define  PCI_X_CMD_DPERR_E	0x0001	/* Data Parity Error Recovery Enable */
+#define  PCI_X_CMD_ERO		0x0002	/* Enable Relaxed Ordering */
+#define  PCI_X_CMD_READ_512	0x0000	/* 512 byte maximum read byte count */
+#define  PCI_X_CMD_READ_1K	0x0004	/* 1Kbyte maximum read byte count */
+#define  PCI_X_CMD_READ_2K	0x0008	/* 2Kbyte maximum read byte count */
+#define  PCI_X_CMD_READ_4K	0x000c	/* 4Kbyte maximum read byte count */
+#define  PCI_X_CMD_MAX_READ	0x000c	/* Max Memory Read Byte Count */
+				/* Max # of outstanding split transactions */
+#define  PCI_X_CMD_SPLIT_1	0x0000	/* Max 1 */
+#define  PCI_X_CMD_SPLIT_2	0x0010	/* Max 2 */
+#define  PCI_X_CMD_SPLIT_3	0x0020	/* Max 3 */
+#define  PCI_X_CMD_SPLIT_4	0x0030	/* Max 4 */
+#define  PCI_X_CMD_SPLIT_8	0x0040	/* Max 8 */
+#define  PCI_X_CMD_SPLIT_12	0x0050	/* Max 12 */
+#define  PCI_X_CMD_SPLIT_16	0x0060	/* Max 16 */
+#define  PCI_X_CMD_SPLIT_32	0x0070	/* Max 32 */
+#define  PCI_X_CMD_MAX_SPLIT	0x0070	/* Max Outstanding Split Transactions */
+#define  PCI_X_CMD_VERSION(x) 	(((x) >> 12) & 3) /* Version */
+#define PCI_X_STATUS		4	/* PCI-X capabilities */
+#define  PCI_X_STATUS_DEVFN	0x000000ff	/* A copy of devfn */
+#define  PCI_X_STATUS_BUS	0x0000ff00	/* A copy of bus nr */
+#define  PCI_X_STATUS_64BIT	0x00010000	/* 64-bit device */
+#define  PCI_X_STATUS_133MHZ	0x00020000	/* 133 MHz capable */
+#define  PCI_X_STATUS_SPL_DISC	0x00040000	/* Split Completion Discarded */
+#define  PCI_X_STATUS_UNX_SPL	0x00080000	/* Unexpected Split Completion */
+#define  PCI_X_STATUS_COMPLEX	0x00100000	/* Device Complexity */
+#define  PCI_X_STATUS_MAX_READ	0x00600000	/* Designed Max Memory Read Count */
+#define  PCI_X_STATUS_MAX_SPLIT	0x03800000	/* Designed Max Outstanding Split Transactions */
+#define  PCI_X_STATUS_MAX_CUM	0x1c000000	/* Designed Max Cumulative Read Size */
+#define  PCI_X_STATUS_SPL_ERR	0x20000000	/* Rcvd Split Completion Error Msg */
+#define  PCI_X_STATUS_266MHZ	0x40000000	/* 266 MHz capable */
+#define  PCI_X_STATUS_533MHZ	0x80000000	/* 533 MHz capable */
+
+/* PCI Bridge Subsystem ID registers */
+
+#define PCI_SSVID_VENDOR_ID     4	/* PCI-Bridge subsystem vendor id register */
+#define PCI_SSVID_DEVICE_ID     6	/* PCI-Bridge subsystem device id register */
+
+/* PCI Express capability registers */
+
+#define PCI_EXP_FLAGS		2	/* Capabilities register */
+#define PCI_EXP_FLAGS_VERS	0x000f	/* Capability version */
+#define PCI_EXP_FLAGS_TYPE	0x00f0	/* Device/Port type */
+#define  PCI_EXP_TYPE_ENDPOINT	0x0	/* Express Endpoint */
+#define  PCI_EXP_TYPE_LEG_END	0x1	/* Legacy Endpoint */
+#define  PCI_EXP_TYPE_ROOT_PORT 0x4	/* Root Port */
+#define  PCI_EXP_TYPE_UPSTREAM	0x5	/* Upstream Port */
+#define  PCI_EXP_TYPE_DOWNSTREAM 0x6	/* Downstream Port */
+#define  PCI_EXP_TYPE_PCI_BRIDGE 0x7	/* PCI/PCI-X Bridge */
+#define  PCI_EXP_TYPE_PCIE_BRIDGE 0x8   /* PCI/PCI-X to PCIE Bridge */
+#define  PCI_EXP_TYPE_RC_END	0x9	/* Root Complex Integrated Endpoint */
+#define  PCI_EXP_TYPE_RC_EC     0xa     /* Root Complex Event Collector */
+#define PCI_EXP_FLAGS_SLOT	0x0100	/* Slot implemented */
+#define PCI_EXP_FLAGS_IRQ	0x3e00	/* Interrupt message number */
+#define PCI_EXP_DEVCAP		4	/* Device capabilities */
+#define  PCI_EXP_DEVCAP_PAYLOAD	0x07	/* Max_Payload_Size */
+#define  PCI_EXP_DEVCAP_PHANTOM	0x18	/* Phantom functions */
+#define  PCI_EXP_DEVCAP_EXT_TAG	0x20	/* Extended tags */
+#define  PCI_EXP_DEVCAP_L0S	0x1c0	/* L0s Acceptable Latency */
+#define  PCI_EXP_DEVCAP_L1	0xe00	/* L1 Acceptable Latency */
+#define  PCI_EXP_DEVCAP_ATN_BUT	0x1000	/* Attention Button Present */
+#define  PCI_EXP_DEVCAP_ATN_IND	0x2000	/* Attention Indicator Present */
+#define  PCI_EXP_DEVCAP_PWR_IND	0x4000	/* Power Indicator Present */
+#define  PCI_EXP_DEVCAP_RBER	0x8000	/* Role-Based Error Reporting */
+#define  PCI_EXP_DEVCAP_PWR_VAL	0x3fc0000 /* Slot Power Limit Value */
+#define  PCI_EXP_DEVCAP_PWR_SCL	0xc000000 /* Slot Power Limit Scale */
+#define  PCI_EXP_DEVCAP_FLR     0x10000000 /* Function Level Reset */
+#define PCI_EXP_DEVCTL		8	/* Device Control */
+#define  PCI_EXP_DEVCTL_CERE	0x0001	/* Correctable Error Reporting En. */
+#define  PCI_EXP_DEVCTL_NFERE	0x0002	/* Non-Fatal Error Reporting Enable */
+#define  PCI_EXP_DEVCTL_FERE	0x0004	/* Fatal Error Reporting Enable */
+#define  PCI_EXP_DEVCTL_URRE	0x0008	/* Unsupported Request Reporting En. */
+#define  PCI_EXP_DEVCTL_RELAX_EN 0x0010 /* Enable relaxed ordering */
+#define  PCI_EXP_DEVCTL_PAYLOAD	0x00e0	/* Max_Payload_Size */
+#define  PCI_EXP_DEVCTL_EXT_TAG	0x0100	/* Extended Tag Field Enable */
+#define  PCI_EXP_DEVCTL_PHANTOM	0x0200	/* Phantom Functions Enable */
+#define  PCI_EXP_DEVCTL_AUX_PME	0x0400	/* Auxiliary Power PM Enable */
+#define  PCI_EXP_DEVCTL_NOSNOOP_EN 0x0800  /* Enable No Snoop */
+#define  PCI_EXP_DEVCTL_READRQ	0x7000	/* Max_Read_Request_Size */
+#define  PCI_EXP_DEVCTL_BCR_FLR 0x8000  /* Bridge Configuration Retry / FLR */
+#define PCI_EXP_DEVSTA		10	/* Device Status */
+#define  PCI_EXP_DEVSTA_CED	0x01	/* Correctable Error Detected */
+#define  PCI_EXP_DEVSTA_NFED	0x02	/* Non-Fatal Error Detected */
+#define  PCI_EXP_DEVSTA_FED	0x04	/* Fatal Error Detected */
+#define  PCI_EXP_DEVSTA_URD	0x08	/* Unsupported Request Detected */
+#define  PCI_EXP_DEVSTA_AUXPD	0x10	/* AUX Power Detected */
+#define  PCI_EXP_DEVSTA_TRPND	0x20	/* Transactions Pending */
+#define PCI_EXP_LNKCAP		12	/* Link Capabilities */
+#define  PCI_EXP_LNKCAP_SLS	0x0000000f /* Supported Link Speeds */
+#define  PCI_EXP_LNKCAP_MLW	0x000003f0 /* Maximum Link Width */
+#define  PCI_EXP_LNKCAP_ASPMS	0x00000c00 /* ASPM Support */
+#define  PCI_EXP_LNKCAP_L0SEL	0x00007000 /* L0s Exit Latency */
+#define  PCI_EXP_LNKCAP_L1EL	0x00038000 /* L1 Exit Latency */
+#define  PCI_EXP_LNKCAP_CLKPM	0x00040000 /* L1 Clock Power Management */
+#define  PCI_EXP_LNKCAP_SDERC	0x00080000 /* Surprise Down Error Reporting Capable */
+#define  PCI_EXP_LNKCAP_DLLLARC	0x00100000 /* Data Link Layer Link Active Reporting Capable */
+#define  PCI_EXP_LNKCAP_LBNC	0x00200000 /* Link Bandwidth Notification Capability */
+#define  PCI_EXP_LNKCAP_PN	0xff000000 /* Port Number */
+#define PCI_EXP_LNKCTL		16	/* Link Control */
+#define  PCI_EXP_LNKCTL_ASPMC	0x0003	/* ASPM Control */
+#define  PCI_EXP_LNKCTL_RCB	0x0008	/* Read Completion Boundary */
+#define  PCI_EXP_LNKCTL_LD	0x0010	/* Link Disable */
+#define  PCI_EXP_LNKCTL_RL	0x0020	/* Retrain Link */
+#define  PCI_EXP_LNKCTL_CCC	0x0040	/* Common Clock Configuration */
+#define  PCI_EXP_LNKCTL_ES	0x0080	/* Extended Synch */
+#define  PCI_EXP_LNKCTL_CLKREQ_EN 0x100	/* Enable clkreq */
+#define  PCI_EXP_LNKCTL_HAWD	0x0200	/* Hardware Autonomous Width Disable */
+#define  PCI_EXP_LNKCTL_LBMIE	0x0400	/* Link Bandwidth Management Interrupt Enable */
+#define  PCI_EXP_LNKCTL_LABIE	0x0800	/* Lnk Autonomous Bandwidth Interrupt Enable */
+#define PCI_EXP_LNKSTA		18	/* Link Status */
+#define  PCI_EXP_LNKSTA_CLS	0x000f	/* Current Link Speed */
+#define  PCI_EXP_LNKSTA_CLS_2_5GB 0x01	/* Current Link Speed 2.5GT/s */
+#define  PCI_EXP_LNKSTA_CLS_5_0GB 0x02	/* Current Link Speed 5.0GT/s */
+#define  PCI_EXP_LNKSTA_NLW	0x03f0	/* Nogotiated Link Width */
+#define  PCI_EXP_LNKSTA_NLW_SHIFT 4	/* start of NLW mask in link status */
+#define  PCI_EXP_LNKSTA_LT	0x0800	/* Link Training */
+#define  PCI_EXP_LNKSTA_SLC	0x1000	/* Slot Clock Configuration */
+#define  PCI_EXP_LNKSTA_DLLLA	0x2000	/* Data Link Layer Link Active */
+#define  PCI_EXP_LNKSTA_LBMS	0x4000	/* Link Bandwidth Management Status */
+#define  PCI_EXP_LNKSTA_LABS	0x8000	/* Link Autonomous Bandwidth Status */
+#define PCI_EXP_SLTCAP		20	/* Slot Capabilities */
+#define  PCI_EXP_SLTCAP_ABP	0x00000001 /* Attention Button Present */
+#define  PCI_EXP_SLTCAP_PCP	0x00000002 /* Power Controller Present */
+#define  PCI_EXP_SLTCAP_MRLSP	0x00000004 /* MRL Sensor Present */
+#define  PCI_EXP_SLTCAP_AIP	0x00000008 /* Attention Indicator Present */
+#define  PCI_EXP_SLTCAP_PIP	0x00000010 /* Power Indicator Present */
+#define  PCI_EXP_SLTCAP_HPS	0x00000020 /* Hot-Plug Surprise */
+#define  PCI_EXP_SLTCAP_HPC	0x00000040 /* Hot-Plug Capable */
+#define  PCI_EXP_SLTCAP_SPLV	0x00007f80 /* Slot Power Limit Value */
+#define  PCI_EXP_SLTCAP_SPLS	0x00018000 /* Slot Power Limit Scale */
+#define  PCI_EXP_SLTCAP_EIP	0x00020000 /* Electromechanical Interlock Present */
+#define  PCI_EXP_SLTCAP_NCCS	0x00040000 /* No Command Completed Support */
+#define  PCI_EXP_SLTCAP_PSN	0xfff80000 /* Physical Slot Number */
+#define PCI_EXP_SLTCTL		24	/* Slot Control */
+#define  PCI_EXP_SLTCTL_ABPE	0x0001	/* Attention Button Pressed Enable */
+#define  PCI_EXP_SLTCTL_PFDE	0x0002	/* Power Fault Detected Enable */
+#define  PCI_EXP_SLTCTL_MRLSCE	0x0004	/* MRL Sensor Changed Enable */
+#define  PCI_EXP_SLTCTL_PDCE	0x0008	/* Presence Detect Changed Enable */
+#define  PCI_EXP_SLTCTL_CCIE	0x0010	/* Command Completed Interrupt Enable */
+#define  PCI_EXP_SLTCTL_HPIE	0x0020	/* Hot-Plug Interrupt Enable */
+#define  PCI_EXP_SLTCTL_AIC	0x00c0	/* Attention Indicator Control */
+#define  PCI_EXP_SLTCTL_PIC	0x0300	/* Power Indicator Control */
+#define  PCI_EXP_SLTCTL_PCC	0x0400	/* Power Controller Control */
+#define  PCI_EXP_SLTCTL_EIC	0x0800	/* Electromechanical Interlock Control */
+#define  PCI_EXP_SLTCTL_DLLSCE	0x1000	/* Data Link Layer State Changed Enable */
+#define PCI_EXP_SLTSTA		26	/* Slot Status */
+#define  PCI_EXP_SLTSTA_ABP	0x0001	/* Attention Button Pressed */
+#define  PCI_EXP_SLTSTA_PFD	0x0002	/* Power Fault Detected */
+#define  PCI_EXP_SLTSTA_MRLSC	0x0004	/* MRL Sensor Changed */
+#define  PCI_EXP_SLTSTA_PDC	0x0008	/* Presence Detect Changed */
+#define  PCI_EXP_SLTSTA_CC	0x0010	/* Command Completed */
+#define  PCI_EXP_SLTSTA_MRLSS	0x0020	/* MRL Sensor State */
+#define  PCI_EXP_SLTSTA_PDS	0x0040	/* Presence Detect State */
+#define  PCI_EXP_SLTSTA_EIS	0x0080	/* Electromechanical Interlock Status */
+#define  PCI_EXP_SLTSTA_DLLSC	0x0100	/* Data Link Layer State Changed */
+#define PCI_EXP_RTCTL		28	/* Root Control */
+#define  PCI_EXP_RTCTL_SECEE	0x01	/* System Error on Correctable Error */
+#define  PCI_EXP_RTCTL_SENFEE	0x02	/* System Error on Non-Fatal Error */
+#define  PCI_EXP_RTCTL_SEFEE	0x04	/* System Error on Fatal Error */
+#define  PCI_EXP_RTCTL_PMEIE	0x08	/* PME Interrupt Enable */
+#define  PCI_EXP_RTCTL_CRSSVE	0x10	/* CRS Software Visibility Enable */
+#define PCI_EXP_RTCAP		30	/* Root Capabilities */
+#define PCI_EXP_RTSTA		32	/* Root Status */
+#define PCI_EXP_RTSTA_PME	0x10000 /* PME status */
+#define PCI_EXP_RTSTA_PENDING	0x20000 /* PME pending */
+#define PCI_EXP_DEVCAP2		36	/* Device Capabilities 2 */
+#define  PCI_EXP_DEVCAP2_ARI	0x20	/* Alternative Routing-ID */
+#define  PCI_EXP_DEVCAP2_LTR	0x800	/* Latency tolerance reporting */
+#define  PCI_EXP_OBFF_MASK	0xc0000 /* OBFF support mechanism */
+#define  PCI_EXP_OBFF_MSG	0x40000 /* New message signaling */
+#define  PCI_EXP_OBFF_WAKE	0x80000 /* Re-use WAKE# for OBFF */
+#define PCI_EXP_DEVCTL2		40	/* Device Control 2 */
+#define  PCI_EXP_DEVCTL2_ARI	0x20	/* Alternative Routing-ID */
+#define  PCI_EXP_IDO_REQ_EN	0x100	/* ID-based ordering request enable */
+#define  PCI_EXP_IDO_CMP_EN	0x200	/* ID-based ordering completion enable */
+#define  PCI_EXP_LTR_EN		0x400	/* Latency tolerance reporting */
+#define  PCI_EXP_OBFF_MSGA_EN	0x2000	/* OBFF enable with Message type A */
+#define  PCI_EXP_OBFF_MSGB_EN	0x4000	/* OBFF enable with Message type B */
+#define  PCI_EXP_OBFF_WAKE_EN	0x6000	/* OBFF using WAKE# signaling */
+#define PCI_EXP_LNKCTL2		48	/* Link Control 2 */
+#define PCI_EXP_SLTCTL2		56	/* Slot Control 2 */
+
+/* Extended Capabilities (PCI-X 2.0 and Express) */
+#define PCI_EXT_CAP_ID(header)		(header & 0x0000ffff)
+#define PCI_EXT_CAP_VER(header)		((header >> 16) & 0xf)
+#define PCI_EXT_CAP_NEXT(header)	((header >> 20) & 0xffc)
+
+#define PCI_EXT_CAP_ID_ERR	1
+#define PCI_EXT_CAP_ID_VC	2
+#define PCI_EXT_CAP_ID_DSN	3
+#define PCI_EXT_CAP_ID_PWR	4
+#define PCI_EXT_CAP_ID_VNDR	11
+#define PCI_EXT_CAP_ID_ACS	13
+#define PCI_EXT_CAP_ID_ARI	14
+#define PCI_EXT_CAP_ID_ATS	15
+#define PCI_EXT_CAP_ID_SRIOV	16
+#define PCI_EXT_CAP_ID_LTR	24
+
+/* Advanced Error Reporting */
+#define PCI_ERR_UNCOR_STATUS	4	/* Uncorrectable Error Status */
+#define  PCI_ERR_UNC_TRAIN	0x00000001	/* Training */
+#define  PCI_ERR_UNC_DLP	0x00000010	/* Data Link Protocol */
+#define  PCI_ERR_UNC_POISON_TLP	0x00001000	/* Poisoned TLP */
+#define  PCI_ERR_UNC_FCP	0x00002000	/* Flow Control Protocol */
+#define  PCI_ERR_UNC_COMP_TIME	0x00004000	/* Completion Timeout */
+#define  PCI_ERR_UNC_COMP_ABORT	0x00008000	/* Completer Abort */
+#define  PCI_ERR_UNC_UNX_COMP	0x00010000	/* Unexpected Completion */
+#define  PCI_ERR_UNC_RX_OVER	0x00020000	/* Receiver Overflow */
+#define  PCI_ERR_UNC_MALF_TLP	0x00040000	/* Malformed TLP */
+#define  PCI_ERR_UNC_ECRC	0x00080000	/* ECRC Error Status */
+#define  PCI_ERR_UNC_UNSUP	0x00100000	/* Unsupported Request */
+#define PCI_ERR_UNCOR_MASK	8	/* Uncorrectable Error Mask */
+	/* Same bits as above */
+#define PCI_ERR_UNCOR_SEVER	12	/* Uncorrectable Error Severity */
+	/* Same bits as above */
+#define PCI_ERR_COR_STATUS	16	/* Correctable Error Status */
+#define  PCI_ERR_COR_RCVR	0x00000001	/* Receiver Error Status */
+#define  PCI_ERR_COR_BAD_TLP	0x00000040	/* Bad TLP Status */
+#define  PCI_ERR_COR_BAD_DLLP	0x00000080	/* Bad DLLP Status */
+#define  PCI_ERR_COR_REP_ROLL	0x00000100	/* REPLAY_NUM Rollover */
+#define  PCI_ERR_COR_REP_TIMER	0x00001000	/* Replay Timer Timeout */
+#define PCI_ERR_COR_MASK	20	/* Correctable Error Mask */
+	/* Same bits as above */
+#define PCI_ERR_CAP		24	/* Advanced Error Capabilities */
+#define  PCI_ERR_CAP_FEP(x)	((x) & 31)	/* First Error Pointer */
+#define  PCI_ERR_CAP_ECRC_GENC	0x00000020	/* ECRC Generation Capable */
+#define  PCI_ERR_CAP_ECRC_GENE	0x00000040	/* ECRC Generation Enable */
+#define  PCI_ERR_CAP_ECRC_CHKC	0x00000080	/* ECRC Check Capable */
+#define  PCI_ERR_CAP_ECRC_CHKE	0x00000100	/* ECRC Check Enable */
+#define PCI_ERR_HEADER_LOG	28	/* Header Log Register (16 bytes) */
+#define PCI_ERR_ROOT_COMMAND	44	/* Root Error Command */
+/* Correctable Err Reporting Enable */
+#define PCI_ERR_ROOT_CMD_COR_EN		0x00000001
+/* Non-fatal Err Reporting Enable */
+#define PCI_ERR_ROOT_CMD_NONFATAL_EN	0x00000002
+/* Fatal Err Reporting Enable */
+#define PCI_ERR_ROOT_CMD_FATAL_EN	0x00000004
+#define PCI_ERR_ROOT_STATUS	48
+#define PCI_ERR_ROOT_COR_RCV		0x00000001	/* ERR_COR Received */
+/* Multi ERR_COR Received */
+#define PCI_ERR_ROOT_MULTI_COR_RCV	0x00000002
+/* ERR_FATAL/NONFATAL Recevied */
+#define PCI_ERR_ROOT_UNCOR_RCV		0x00000004
+/* Multi ERR_FATAL/NONFATAL Recevied */
+#define PCI_ERR_ROOT_MULTI_UNCOR_RCV	0x00000008
+#define PCI_ERR_ROOT_FIRST_FATAL	0x00000010	/* First Fatal */
+#define PCI_ERR_ROOT_NONFATAL_RCV	0x00000020	/* Non-Fatal Received */
+#define PCI_ERR_ROOT_FATAL_RCV		0x00000040	/* Fatal Received */
+#define PCI_ERR_ROOT_ERR_SRC	52	/* Error Source Identification */
+
+/* Virtual Channel */
+#define PCI_VC_PORT_REG1	4
+#define PCI_VC_PORT_REG2	8
+#define PCI_VC_PORT_CTRL	12
+#define PCI_VC_PORT_STATUS	14
+#define PCI_VC_RES_CAP		16
+#define PCI_VC_RES_CTRL		20
+#define PCI_VC_RES_STATUS	26
+
+/* Power Budgeting */
+#define PCI_PWR_DSR		4	/* Data Select Register */
+#define PCI_PWR_DATA		8	/* Data Register */
+#define  PCI_PWR_DATA_BASE(x)	((x) & 0xff)	    /* Base Power */
+#define  PCI_PWR_DATA_SCALE(x)	(((x) >> 8) & 3)    /* Data Scale */
+#define  PCI_PWR_DATA_PM_SUB(x)	(((x) >> 10) & 7)   /* PM Sub State */
+#define  PCI_PWR_DATA_PM_STATE(x) (((x) >> 13) & 3) /* PM State */
+#define  PCI_PWR_DATA_TYPE(x)	(((x) >> 15) & 7)   /* Type */
+#define  PCI_PWR_DATA_RAIL(x)	(((x) >> 18) & 7)   /* Power Rail */
+#define PCI_PWR_CAP		12	/* Capability */
+#define  PCI_PWR_CAP_BUDGET(x)	((x) & 1)	/* Included in system budget */
+
+/*
+ * Hypertransport sub capability types
+ *
+ * Unfortunately there are both 3 bit and 5 bit capability types defined
+ * in the HT spec, catering for that is a little messy. You probably don't
+ * want to use these directly, just use pci_find_ht_capability() and it
+ * will do the right thing for you.
+ */
+#define HT_3BIT_CAP_MASK	0xE0
+#define HT_CAPTYPE_SLAVE	0x00	/* Slave/Primary link configuration */
+#define HT_CAPTYPE_HOST		0x20	/* Host/Secondary link configuration */
+
+#define HT_5BIT_CAP_MASK	0xF8
+#define HT_CAPTYPE_IRQ		0x80	/* IRQ Configuration */
+#define HT_CAPTYPE_REMAPPING_40	0xA0	/* 40 bit address remapping */
+#define HT_CAPTYPE_REMAPPING_64 0xA2	/* 64 bit address remapping */
+#define HT_CAPTYPE_UNITID_CLUMP	0x90	/* Unit ID clumping */
+#define HT_CAPTYPE_EXTCONF	0x98	/* Extended Configuration Space Access */
+#define HT_CAPTYPE_MSI_MAPPING	0xA8	/* MSI Mapping Capability */
+#define  HT_MSI_FLAGS		0x02		/* Offset to flags */
+#define  HT_MSI_FLAGS_ENABLE	0x1		/* Mapping enable */
+#define  HT_MSI_FLAGS_FIXED	0x2		/* Fixed mapping only */
+#define  HT_MSI_FIXED_ADDR	0x00000000FEE00000ULL	/* Fixed addr */
+#define  HT_MSI_ADDR_LO		0x04		/* Offset to low addr bits */
+#define  HT_MSI_ADDR_LO_MASK	0xFFF00000	/* Low address bit mask */
+#define  HT_MSI_ADDR_HI		0x08		/* Offset to high addr bits */
+#define HT_CAPTYPE_DIRECT_ROUTE	0xB0	/* Direct routing configuration */
+#define HT_CAPTYPE_VCSET	0xB8	/* Virtual Channel configuration */
+#define HT_CAPTYPE_ERROR_RETRY	0xC0	/* Retry on error configuration */
+#define HT_CAPTYPE_GEN3		0xD0	/* Generation 3 hypertransport configuration */
+#define HT_CAPTYPE_PM		0xE0	/* Hypertransport powermanagement configuration */
+
+/* Alternative Routing-ID Interpretation */
+#define PCI_ARI_CAP		0x04	/* ARI Capability Register */
+#define  PCI_ARI_CAP_MFVC	0x0001	/* MFVC Function Groups Capability */
+#define  PCI_ARI_CAP_ACS	0x0002	/* ACS Function Groups Capability */
+#define  PCI_ARI_CAP_NFN(x)	(((x) >> 8) & 0xff) /* Next Function Number */
+#define PCI_ARI_CTRL		0x06	/* ARI Control Register */
+#define  PCI_ARI_CTRL_MFVC	0x0001	/* MFVC Function Groups Enable */
+#define  PCI_ARI_CTRL_ACS	0x0002	/* ACS Function Groups Enable */
+#define  PCI_ARI_CTRL_FG(x)	(((x) >> 4) & 7) /* Function Group */
+
+/* Address Translation Service */
+#define PCI_ATS_CAP		0x04	/* ATS Capability Register */
+#define  PCI_ATS_CAP_QDEP(x)	((x) & 0x1f)	/* Invalidate Queue Depth */
+#define  PCI_ATS_MAX_QDEP	32	/* Max Invalidate Queue Depth */
+#define PCI_ATS_CTRL		0x06	/* ATS Control Register */
+#define  PCI_ATS_CTRL_ENABLE	0x8000	/* ATS Enable */
+#define  PCI_ATS_CTRL_STU(x)	((x) & 0x1f)	/* Smallest Translation Unit */
+#define  PCI_ATS_MIN_STU	12	/* shift of minimum STU block */
+
+/* Single Root I/O Virtualization */
+#define PCI_SRIOV_CAP		0x04	/* SR-IOV Capabilities */
+#define  PCI_SRIOV_CAP_VFM	0x01	/* VF Migration Capable */
+#define  PCI_SRIOV_CAP_INTR(x)	((x) >> 21) /* Interrupt Message Number */
+#define PCI_SRIOV_CTRL		0x08	/* SR-IOV Control */
+#define  PCI_SRIOV_CTRL_VFE	0x01	/* VF Enable */
+#define  PCI_SRIOV_CTRL_VFM	0x02	/* VF Migration Enable */
+#define  PCI_SRIOV_CTRL_INTR	0x04	/* VF Migration Interrupt Enable */
+#define  PCI_SRIOV_CTRL_MSE	0x08	/* VF Memory Space Enable */
+#define  PCI_SRIOV_CTRL_ARI	0x10	/* ARI Capable Hierarchy */
+#define PCI_SRIOV_STATUS	0x0a	/* SR-IOV Status */
+#define  PCI_SRIOV_STATUS_VFM	0x01	/* VF Migration Status */
+#define PCI_SRIOV_INITIAL_VF	0x0c	/* Initial VFs */
+#define PCI_SRIOV_TOTAL_VF	0x0e	/* Total VFs */
+#define PCI_SRIOV_NUM_VF	0x10	/* Number of VFs */
+#define PCI_SRIOV_FUNC_LINK	0x12	/* Function Dependency Link */
+#define PCI_SRIOV_VF_OFFSET	0x14	/* First VF Offset */
+#define PCI_SRIOV_VF_STRIDE	0x16	/* Following VF Stride */
+#define PCI_SRIOV_VF_DID	0x1a	/* VF Device ID */
+#define PCI_SRIOV_SUP_PGSIZE	0x1c	/* Supported Page Sizes */
+#define PCI_SRIOV_SYS_PGSIZE	0x20	/* System Page Size */
+#define PCI_SRIOV_BAR		0x24	/* VF BAR0 */
+#define  PCI_SRIOV_NUM_BARS	6	/* Number of VF BARs */
+#define PCI_SRIOV_VFM		0x3c	/* VF Migration State Array Offset*/
+#define  PCI_SRIOV_VFM_BIR(x)	((x) & 7)	/* State BIR */
+#define  PCI_SRIOV_VFM_OFFSET(x) ((x) & ~7)	/* State Offset */
+#define  PCI_SRIOV_VFM_UA	0x0	/* Inactive.Unavailable */
+#define  PCI_SRIOV_VFM_MI	0x1	/* Dormant.MigrateIn */
+#define  PCI_SRIOV_VFM_MO	0x2	/* Active.MigrateOut */
+#define  PCI_SRIOV_VFM_AV	0x3	/* Active.Available */
+
+#define PCI_LTR_MAX_SNOOP_LAT	0x4
+#define PCI_LTR_MAX_NOSNOOP_LAT	0x6
+#define  PCI_LTR_VALUE_MASK	0x000003ff
+#define  PCI_LTR_SCALE_MASK	0x00001c00
+#define  PCI_LTR_SCALE_SHIFT	10
+
+/* Access Control Service */
+#define PCI_ACS_CAP		0x04	/* ACS Capability Register */
+#define  PCI_ACS_SV		0x01	/* Source Validation */
+#define  PCI_ACS_TB		0x02	/* Translation Blocking */
+#define  PCI_ACS_RR		0x04	/* P2P Request Redirect */
+#define  PCI_ACS_CR		0x08	/* P2P Completion Redirect */
+#define  PCI_ACS_UF		0x10	/* Upstream Forwarding */
+#define  PCI_ACS_EC		0x20	/* P2P Egress Control */
+#define  PCI_ACS_DT		0x40	/* Direct Translated P2P */
+#define PCI_ACS_CTRL		0x06	/* ACS Control Register */
+#define PCI_ACS_EGRESS_CTL_V	0x08	/* ACS Egress Control Vector */
+
+#endif /* LINUX_PCI_REGS_H */
diff --git a/include/standard-headers/linux/virtio_net.h b/include/standard-headers/linux/virtio_net.h
index 3209c90219..a78f33e775 100644
--- a/include/standard-headers/linux/virtio_net.h
+++ b/include/standard-headers/linux/virtio_net.h
@@ -34,6 +34,7 @@
 /* The feature bitmap for virtio net */
 #define VIRTIO_NET_F_CSUM	0	/* Host handles pkts w/ partial csum */
 #define VIRTIO_NET_F_GUEST_CSUM	1	/* Guest handles pkts w/ partial csum */
+#define VIRTIO_NET_F_CTRL_GUEST_OFFLOADS 2 /* Dynamic offload configuration. */
 #define VIRTIO_NET_F_MAC	5	/* Host has given MAC address. */
 #define VIRTIO_NET_F_GUEST_TSO4	7	/* Guest can handle TSOv4 in. */
 #define VIRTIO_NET_F_GUEST_TSO6	8	/* Guest can handle TSOv6 in. */
@@ -226,4 +227,19 @@ struct virtio_net_ctrl_mq {
  #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN        1
  #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX        0x8000
 
+/*
+ * Control network offloads
+ *
+ * Reconfigures the network offloads that Guest can handle.
+ *
+ * Available with the VIRTIO_NET_F_CTRL_GUEST_OFFLOADS feature bit.
+ *
+ * Command data format matches the feature bit mask exactly.
+ *
+ * See VIRTIO_NET_F_GUEST_* for the list of offloads
+ * that can be enabled/disabled.
+ */
+#define VIRTIO_NET_CTRL_GUEST_OFFLOADS   5
+#define VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET        0
+
 #endif /* _LINUX_VIRTIO_NET_H */
diff --git a/include/standard-headers/linux/virtio_pci.h b/include/standard-headers/linux/virtio_pci.h
index ecdc133d59..9262acd130 100644
--- a/include/standard-headers/linux/virtio_pci.h
+++ b/include/standard-headers/linux/virtio_pci.h
@@ -157,6 +157,12 @@ struct virtio_pci_common_cfg {
 	uint32_t queue_used_hi;		/* read-write */
 };
 
+/* Fields in VIRTIO_PCI_CAP_PCI_CFG: */
+struct virtio_pci_cfg_cap {
+	struct virtio_pci_cap cap;
+	uint8_t pci_cfg_data[4]; /* Data for BAR access. */
+};
+
 /* Macro versions of offsets for the Old Timers! */
 #define VIRTIO_PCI_CAP_VNDR		0
 #define VIRTIO_PCI_CAP_NEXT		1
diff --git a/scripts/update-linux-headers.sh b/scripts/update-linux-headers.sh
index baf4220b84..47378d93d4 100755
--- a/scripts/update-linux-headers.sh
+++ b/scripts/update-linux-headers.sh
@@ -31,7 +31,7 @@ fi
 cp_virtio() {
     from=$1
     to=$2
-    virtio=$(find "$from" -name '*virtio*h' -o -name "input.h")
+    virtio=$(find "$from" -name '*virtio*h' -o -name "input.h" -o -name "pci_regs.h")
     if [ "$virtio" ]; then
         rm -rf "$to"
         mkdir -p "$to"
diff --git a/tests/Makefile b/tests/Makefile
index 2cd1195075..e843a7e229 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -155,6 +155,7 @@ check-qtest-i386-y += tests/i440fx-test$(EXESUF)
 check-qtest-i386-y += tests/fw_cfg-test$(EXESUF)
 check-qtest-i386-y += tests/drive_del-test$(EXESUF)
 check-qtest-i386-y += tests/wdt_ib700-test$(EXESUF)
+check-qtest-i386-y += tests/tco-test$(EXESUF)
 gcov-files-i386-y += hw/watchdog/watchdog.c hw/watchdog/wdt_ib700.c
 check-qtest-i386-y += $(check-qtest-pci-y)
 gcov-files-i386-y += $(gcov-files-pci-y)
@@ -373,6 +374,7 @@ tests/eepro100-test$(EXESUF): tests/eepro100-test.o
 tests/vmxnet3-test$(EXESUF): tests/vmxnet3-test.o
 tests/ne2000-test$(EXESUF): tests/ne2000-test.o
 tests/wdt_ib700-test$(EXESUF): tests/wdt_ib700-test.o
+tests/tco-test$(EXESUF): tests/tco-test.o $(libqos-pc-obj-y)
 tests/virtio-balloon-test$(EXESUF): tests/virtio-balloon-test.o
 tests/virtio-blk-test$(EXESUF): tests/virtio-blk-test.o $(libqos-virtio-obj-y)
 tests/virtio-net-test$(EXESUF): tests/virtio-net-test.o $(libqos-pc-obj-y)
diff --git a/tests/tco-test.c b/tests/tco-test.c
new file mode 100644
index 0000000000..419f7cf46c
--- /dev/null
+++ b/tests/tco-test.c
@@ -0,0 +1,465 @@
+/*
+ * QEMU ICH9 TCO emulation tests
+ *
+ * Copyright (c) 2015 Paulo Alcantara <pcacjr@zytor.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#include <glib.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "libqtest.h"
+#include "libqos/pci.h"
+#include "libqos/pci-pc.h"
+#include "hw/pci/pci_regs.h"
+#include "hw/i386/ich9.h"
+#include "hw/acpi/ich9.h"
+#include "hw/acpi/tco.h"
+
+#define RCBA_BASE_ADDR    0xfed1c000
+#define PM_IO_BASE_ADDR   0xb000
+
+enum {
+    TCO_RLD_DEFAULT         = 0x0000,
+    TCO_DAT_IN_DEFAULT      = 0x00,
+    TCO_DAT_OUT_DEFAULT     = 0x00,
+    TCO1_STS_DEFAULT        = 0x0000,
+    TCO2_STS_DEFAULT        = 0x0000,
+    TCO1_CNT_DEFAULT        = 0x0000,
+    TCO2_CNT_DEFAULT        = 0x0008,
+    TCO_MESSAGE1_DEFAULT    = 0x00,
+    TCO_MESSAGE2_DEFAULT    = 0x00,
+    TCO_WDCNT_DEFAULT       = 0x00,
+    TCO_TMR_DEFAULT         = 0x0004,
+    SW_IRQ_GEN_DEFAULT      = 0x03,
+};
+
+#define TCO_SECS_TO_TICKS(secs)     (((secs) * 10) / 6)
+#define TCO_TICKS_TO_SECS(ticks)    (((ticks) * 6) / 10)
+
+typedef struct {
+    const char *args;
+    bool noreboot;
+    QPCIDevice *dev;
+    void *tco_io_base;
+} TestData;
+
+static void test_init(TestData *d)
+{
+    QPCIBus *bus;
+    QTestState *qs;
+    char *s;
+
+    s = g_strdup_printf("-machine q35 %s %s",
+                        d->noreboot ? "" : "-global ICH9-LPC.noreboot=false",
+                        !d->args ? "" : d->args);
+    qs = qtest_start(s);
+    qtest_irq_intercept_in(qs, "ioapic");
+    g_free(s);
+
+    bus = qpci_init_pc();
+    d->dev = qpci_device_find(bus, QPCI_DEVFN(0x1f, 0x00));
+    g_assert(d->dev != NULL);
+
+    qpci_device_enable(d->dev);
+
+    /* set ACPI PM I/O space base address */
+    qpci_config_writel(d->dev, ICH9_LPC_PMBASE, PM_IO_BASE_ADDR | 0x1);
+    /* enable ACPI I/O */
+    qpci_config_writeb(d->dev, ICH9_LPC_ACPI_CTRL, 0x80);
+    /* set Root Complex BAR */
+    qpci_config_writel(d->dev, ICH9_LPC_RCBA, RCBA_BASE_ADDR | 0x1);
+
+    d->tco_io_base = (void *)((uintptr_t)PM_IO_BASE_ADDR + 0x60);
+}
+
+static void stop_tco(const TestData *d)
+{
+    uint32_t val;
+
+    val = qpci_io_readw(d->dev, d->tco_io_base + TCO1_CNT);
+    val |= TCO_TMR_HLT;
+    qpci_io_writew(d->dev, d->tco_io_base + TCO1_CNT, val);
+}
+
+static void start_tco(const TestData *d)
+{
+    uint32_t val;
+
+    val = qpci_io_readw(d->dev, d->tco_io_base + TCO1_CNT);
+    val &= ~TCO_TMR_HLT;
+    qpci_io_writew(d->dev, d->tco_io_base + TCO1_CNT, val);
+}
+
+static void load_tco(const TestData *d)
+{
+    qpci_io_writew(d->dev, d->tco_io_base + TCO_RLD, 4);
+}
+
+static void set_tco_timeout(const TestData *d, uint16_t ticks)
+{
+    qpci_io_writew(d->dev, d->tco_io_base + TCO_TMR, ticks);
+}
+
+static void clear_tco_status(const TestData *d)
+{
+    qpci_io_writew(d->dev, d->tco_io_base + TCO1_STS, 0x0008);
+    qpci_io_writew(d->dev, d->tco_io_base + TCO2_STS, 0x0002);
+    qpci_io_writew(d->dev, d->tco_io_base + TCO2_STS, 0x0004);
+}
+
+static void reset_on_second_timeout(bool enable)
+{
+    uint32_t val;
+
+    val = readl(RCBA_BASE_ADDR + ICH9_CC_GCS);
+    if (enable) {
+        val &= ~ICH9_CC_GCS_NO_REBOOT;
+    } else {
+        val |= ICH9_CC_GCS_NO_REBOOT;
+    }
+    writel(RCBA_BASE_ADDR + ICH9_CC_GCS, val);
+}
+
+static void test_tco_defaults(void)
+{
+    TestData d;
+
+    d.args = NULL;
+    d.noreboot = true;
+    test_init(&d);
+    g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_base + TCO_RLD), ==,
+                    TCO_RLD_DEFAULT);
+    /* TCO_DAT_IN & TCO_DAT_OUT */
+    g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_base + TCO_DAT_IN), ==,
+                    (TCO_DAT_OUT_DEFAULT << 8) | TCO_DAT_IN_DEFAULT);
+    /* TCO1_STS & TCO2_STS */
+    g_assert_cmpint(qpci_io_readl(d.dev, d.tco_io_base + TCO1_STS), ==,
+                    (TCO2_STS_DEFAULT << 16) | TCO1_STS_DEFAULT);
+    /* TCO1_CNT & TCO2_CNT */
+    g_assert_cmpint(qpci_io_readl(d.dev, d.tco_io_base + TCO1_CNT), ==,
+                    (TCO2_CNT_DEFAULT << 16) | TCO1_CNT_DEFAULT);
+    /* TCO_MESSAGE1 & TCO_MESSAGE2 */
+    g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_base + TCO_MESSAGE1), ==,
+                    (TCO_MESSAGE2_DEFAULT << 8) | TCO_MESSAGE1_DEFAULT);
+    g_assert_cmpint(qpci_io_readb(d.dev, d.tco_io_base + TCO_WDCNT), ==,
+                    TCO_WDCNT_DEFAULT);
+    g_assert_cmpint(qpci_io_readb(d.dev, d.tco_io_base + SW_IRQ_GEN), ==,
+                    SW_IRQ_GEN_DEFAULT);
+    g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_base + TCO_TMR), ==,
+                    TCO_TMR_DEFAULT);
+    qtest_end();
+}
+
+static void test_tco_timeout(void)
+{
+    TestData d;
+    const uint16_t ticks = TCO_SECS_TO_TICKS(4);
+    uint32_t val;
+    int ret;
+
+    d.args = NULL;
+    d.noreboot = true;
+    test_init(&d);
+
+    stop_tco(&d);
+    clear_tco_status(&d);
+    reset_on_second_timeout(false);
+    set_tco_timeout(&d, ticks);
+    load_tco(&d);
+    start_tco(&d);
+    clock_step(ticks * TCO_TICK_NSEC);
+
+    /* test first timeout */
+    val = qpci_io_readw(d.dev, d.tco_io_base + TCO1_STS);
+    ret = val & TCO_TIMEOUT ? 1 : 0;
+    g_assert(ret == 1);
+
+    /* test clearing timeout bit */
+    val |= TCO_TIMEOUT;
+    qpci_io_writew(d.dev, d.tco_io_base + TCO1_STS, val);
+    val = qpci_io_readw(d.dev, d.tco_io_base + TCO1_STS);
+    ret = val & TCO_TIMEOUT ? 1 : 0;
+    g_assert(ret == 0);
+
+    /* test second timeout */
+    clock_step(ticks * TCO_TICK_NSEC);
+    val = qpci_io_readw(d.dev, d.tco_io_base + TCO1_STS);
+    ret = val & TCO_TIMEOUT ? 1 : 0;
+    g_assert(ret == 1);
+    val = qpci_io_readw(d.dev, d.tco_io_base + TCO2_STS);
+    ret = val & TCO_SECOND_TO_STS ? 1 : 0;
+    g_assert(ret == 1);
+
+    stop_tco(&d);
+    qtest_end();
+}
+
+static void test_tco_max_timeout(void)
+{
+    TestData d;
+    const uint16_t ticks = 0xffff;
+    uint32_t val;
+    int ret;
+
+    d.args = NULL;
+    d.noreboot = true;
+    test_init(&d);
+
+    stop_tco(&d);
+    clear_tco_status(&d);
+    reset_on_second_timeout(false);
+    set_tco_timeout(&d, ticks);
+    load_tco(&d);
+    start_tco(&d);
+    clock_step(((ticks & TCO_TMR_MASK) - 1) * TCO_TICK_NSEC);
+
+    val = qpci_io_readw(d.dev, d.tco_io_base + TCO_RLD);
+    g_assert_cmpint(val & TCO_RLD_MASK, ==, 1);
+    val = qpci_io_readw(d.dev, d.tco_io_base + TCO1_STS);
+    ret = val & TCO_TIMEOUT ? 1 : 0;
+    g_assert(ret == 0);
+    clock_step(TCO_TICK_NSEC);
+    val = qpci_io_readw(d.dev, d.tco_io_base + TCO1_STS);
+    ret = val & TCO_TIMEOUT ? 1 : 0;
+    g_assert(ret == 1);
+
+    stop_tco(&d);
+    qtest_end();
+}
+
+static QDict *get_watchdog_action(void)
+{
+    QDict *ev = qmp("");
+    QDict *data;
+    g_assert(!strcmp(qdict_get_str(ev, "event"), "WATCHDOG"));
+
+    data = qdict_get_qdict(ev, "data");
+    QINCREF(data);
+    QDECREF(ev);
+    return data;
+}
+
+static void test_tco_second_timeout_pause(void)
+{
+    TestData td;
+    const uint16_t ticks = TCO_SECS_TO_TICKS(32);
+    QDict *ad;
+
+    td.args = "-watchdog-action pause";
+    td.noreboot = false;
+    test_init(&td);
+
+    stop_tco(&td);
+    clear_tco_status(&td);
+    reset_on_second_timeout(true);
+    set_tco_timeout(&td, TCO_SECS_TO_TICKS(16));
+    load_tco(&td);
+    start_tco(&td);
+    clock_step(ticks * TCO_TICK_NSEC * 2);
+    ad = get_watchdog_action();
+    g_assert(!strcmp(qdict_get_str(ad, "action"), "pause"));
+    QDECREF(ad);
+
+    stop_tco(&td);
+    qtest_end();
+}
+
+static void test_tco_second_timeout_reset(void)
+{
+    TestData td;
+    const uint16_t ticks = TCO_SECS_TO_TICKS(16);
+    QDict *ad;
+
+    td.args = "-watchdog-action reset";
+    td.noreboot = false;
+    test_init(&td);
+
+    stop_tco(&td);
+    clear_tco_status(&td);
+    reset_on_second_timeout(true);
+    set_tco_timeout(&td, TCO_SECS_TO_TICKS(16));
+    load_tco(&td);
+    start_tco(&td);
+    clock_step(ticks * TCO_TICK_NSEC * 2);
+    ad = get_watchdog_action();
+    g_assert(!strcmp(qdict_get_str(ad, "action"), "reset"));
+    QDECREF(ad);
+
+    stop_tco(&td);
+    qtest_end();
+}
+
+static void test_tco_second_timeout_shutdown(void)
+{
+    TestData td;
+    const uint16_t ticks = TCO_SECS_TO_TICKS(128);
+    QDict *ad;
+
+    td.args = "-watchdog-action shutdown";
+    td.noreboot = false;
+    test_init(&td);
+
+    stop_tco(&td);
+    clear_tco_status(&td);
+    reset_on_second_timeout(true);
+    set_tco_timeout(&td, ticks);
+    load_tco(&td);
+    start_tco(&td);
+    clock_step(ticks * TCO_TICK_NSEC * 2);
+    ad = get_watchdog_action();
+    g_assert(!strcmp(qdict_get_str(ad, "action"), "shutdown"));
+    QDECREF(ad);
+
+    stop_tco(&td);
+    qtest_end();
+}
+
+static void test_tco_second_timeout_none(void)
+{
+    TestData td;
+    const uint16_t ticks = TCO_SECS_TO_TICKS(256);
+    QDict *ad;
+
+    td.args = "-watchdog-action none";
+    td.noreboot = false;
+    test_init(&td);
+
+    stop_tco(&td);
+    clear_tco_status(&td);
+    reset_on_second_timeout(true);
+    set_tco_timeout(&td, ticks);
+    load_tco(&td);
+    start_tco(&td);
+    clock_step(ticks * TCO_TICK_NSEC * 2);
+    ad = get_watchdog_action();
+    g_assert(!strcmp(qdict_get_str(ad, "action"), "none"));
+    QDECREF(ad);
+
+    stop_tco(&td);
+    qtest_end();
+}
+
+static void test_tco_ticks_counter(void)
+{
+    TestData d;
+    uint16_t ticks = TCO_SECS_TO_TICKS(8);
+    uint16_t rld;
+
+    d.args = NULL;
+    d.noreboot = true;
+    test_init(&d);
+
+    stop_tco(&d);
+    clear_tco_status(&d);
+    reset_on_second_timeout(false);
+    set_tco_timeout(&d, ticks);
+    load_tco(&d);
+    start_tco(&d);
+
+    do {
+        rld = qpci_io_readw(d.dev, d.tco_io_base + TCO_RLD) & TCO_RLD_MASK;
+        g_assert_cmpint(rld, ==, ticks);
+        clock_step(TCO_TICK_NSEC);
+        ticks--;
+    } while (!(qpci_io_readw(d.dev, d.tco_io_base + TCO1_STS) & TCO_TIMEOUT));
+
+    stop_tco(&d);
+    qtest_end();
+}
+
+static void test_tco1_control_bits(void)
+{
+    TestData d;
+    uint16_t val;
+
+    d.args = NULL;
+    d.noreboot = true;
+    test_init(&d);
+
+    val = TCO_LOCK;
+    qpci_io_writew(d.dev, d.tco_io_base + TCO1_CNT, val);
+    val &= ~TCO_LOCK;
+    qpci_io_writew(d.dev, d.tco_io_base + TCO1_CNT, val);
+    g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_base + TCO1_CNT), ==,
+                    TCO_LOCK);
+    qtest_end();
+}
+
+static void test_tco1_status_bits(void)
+{
+    TestData d;
+    uint16_t ticks = 8;
+    uint16_t val;
+    int ret;
+
+    d.args = NULL;
+    d.noreboot = true;
+    test_init(&d);
+
+    stop_tco(&d);
+    clear_tco_status(&d);
+    reset_on_second_timeout(false);
+    set_tco_timeout(&d, ticks);
+    load_tco(&d);
+    start_tco(&d);
+    clock_step(ticks * TCO_TICK_NSEC);
+
+    qpci_io_writeb(d.dev, d.tco_io_base + TCO_DAT_IN, 0);
+    qpci_io_writeb(d.dev, d.tco_io_base + TCO_DAT_OUT, 0);
+    val = qpci_io_readw(d.dev, d.tco_io_base + TCO1_STS);
+    ret = val & (TCO_TIMEOUT | SW_TCO_SMI | TCO_INT_STS) ? 1 : 0;
+    g_assert(ret == 1);
+    qpci_io_writew(d.dev, d.tco_io_base + TCO1_STS, val);
+    g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_base + TCO1_STS), ==, 0);
+    qtest_end();
+}
+
+static void test_tco2_status_bits(void)
+{
+    TestData d;
+    uint16_t ticks = 8;
+    uint16_t val;
+    int ret;
+
+    d.args = NULL;
+    d.noreboot = true;
+    test_init(&d);
+
+    stop_tco(&d);
+    clear_tco_status(&d);
+    reset_on_second_timeout(true);
+    set_tco_timeout(&d, ticks);
+    load_tco(&d);
+    start_tco(&d);
+    clock_step(ticks * TCO_TICK_NSEC * 2);
+
+    val = qpci_io_readw(d.dev, d.tco_io_base + TCO2_STS);
+    ret = val & (TCO_SECOND_TO_STS | TCO_BOOT_STS) ? 1 : 0;
+    g_assert(ret == 1);
+    qpci_io_writew(d.dev, d.tco_io_base + TCO2_STS, val);
+    g_assert_cmpint(qpci_io_readw(d.dev, d.tco_io_base + TCO2_STS), ==, 0);
+    qtest_end();
+}
+
+int main(int argc, char **argv)
+{
+    g_test_init(&argc, &argv, NULL);
+
+    qtest_add_func("tco/defaults", test_tco_defaults);
+    qtest_add_func("tco/timeout/no_action", test_tco_timeout);
+    qtest_add_func("tco/timeout/no_action/max", test_tco_max_timeout);
+    qtest_add_func("tco/second_timeout/pause", test_tco_second_timeout_pause);
+    qtest_add_func("tco/second_timeout/reset", test_tco_second_timeout_reset);
+    qtest_add_func("tco/second_timeout/shutdown",
+                   test_tco_second_timeout_shutdown);
+    qtest_add_func("tco/second_timeout/none", test_tco_second_timeout_none);
+    qtest_add_func("tco/counter", test_tco_ticks_counter);
+    qtest_add_func("tco/tco1_control/bits", test_tco1_control_bits);
+    qtest_add_func("tco/tco1_status/bits", test_tco1_status_bits);
+    qtest_add_func("tco/tco2_status/bits", test_tco2_status_bits);
+    return g_test_run();
+}