pc,pci,virtio fixes and cleanups

This includes pc and pci cleanups and enhancements, and a virtio bugfix for level interrupts. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) iQEcBAABAgAGBQJSIveoAAoJECgfDbjSjVRp2C8IAL7DE0oM0jfEB5DAd8jlULHx hA8RP21rFzyU8PwtHB+72+C1ImldBge4hvhI+qbsm6PoW3RCeV/lbESIRTiv8dCO pGUOFmv8MfJAH+WWFsle5mRisoTksYQWWBMHCOqvmaY4JL9pBQOhCLHVhV1XfjtL hO7uGrWmlijeILv5CxYyPMYuOEdVvRSZKzE+Fp2YKfNstiQrS5fJIlqmwCHrlneW l2atnt2d9ZV1K8QYiGg4GRVbSAMJvA1wum+0F4gnXIz9yAeOt+Ht1s8cNKQDMouJ r2OyVgPM9aS/XaO6ejct1Sjo7Vgh/Ublrpw3lFqV/qHix6rEHwy2I3JHFEJPjvk= =SytJ -----END PGP SIGNATURE----- Merge remote-tracking branch 'mst/tags/for_anthony' into staging pc,pci,virtio fixes and cleanups This includes pc and pci cleanups and enhancements, and a virtio bugfix for level interrupts. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Sun 01 Sep 2013 03:15:36 AM CDT using RSA key ID D28D5469 # gpg: Can't check signature: public key not found # By Michael S. Tsirkin (3) and others # Via Michael S. Tsirkin * mst/tags/for_anthony: virtio_pci: fix level interrupts with irqfd pc: reduce duplication, fix PIIX descriptions hw: Clean up bogus default boot order pci: add config space access traces pc: fix regression for 64 bit PCI memory pci: Introduce helper to retrieve a PCI device's DMA address space Message-id: 1378023590-11109-1-git-send-email-mst@redhat.com Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
2013-09-03 12:31:07 -05:00 · 2013-09-03 12:31:07 -05:00 · 9889e04ac1
parent 5cff81f098 23fe2b3f9e
commit 9889e04ac1
67 changed files with 144 additions and 180 deletions
--- a/hw/alpha/dp264.c
+++ b/hw/alpha/dp264.c
@ -173,7 +173,6 @@ static QEMUMachine clipper_machine = {
    .init = clipper_init,
    .max_cpus = 4,
    .is_default = 1,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void clipper_machine_init(void)
--- a/hw/arm/collie.c
+++ b/hw/arm/collie.c
@ -62,7 +62,6 @@ static QEMUMachine collie_machine = {
    .name = "collie",
    .desc = "Collie PDA (SA-1110)",
    .init = collie_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void collie_machine_init(void)
--- a/hw/arm/exynos4_boards.c
+++ b/hw/arm/exynos4_boards.c
@ -150,14 +150,12 @@ static QEMUMachine exynos4_machines[EXYNOS4_NUM_OF_BOARDS] = {
        .desc = "Samsung NURI board (Exynos4210)",
        .init = nuri_init,
        .max_cpus = EXYNOS4210_NCPUS,
-        DEFAULT_MACHINE_OPTIONS,
    },
    [EXYNOS4_BOARD_SMDKC210] = {
        .name = "smdkc210",
        .desc = "Samsung SMDKC210 board (Exynos4210)",
        .init = smdkc210_init,
        .max_cpus = EXYNOS4210_NCPUS,
-        DEFAULT_MACHINE_OPTIONS,
    },
 };

--- a/hw/arm/gumstix.c
+++ b/hw/arm/gumstix.c
@ -122,14 +122,12 @@ static QEMUMachine connex_machine = {
    .name = "connex",
    .desc = "Gumstix Connex (PXA255)",
    .init = connex_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static QEMUMachine verdex_machine = {
    .name = "verdex",
    .desc = "Gumstix Verdex (PXA270)",
    .init = verdex_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void gumstix_machine_init(void)
--- a/hw/arm/highbank.c
+++ b/hw/arm/highbank.c
@ -363,7 +363,6 @@ static QEMUMachine highbank_machine = {
    .init = highbank_init,
    .block_default_type = IF_SCSI,
    .max_cpus = 4,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static QEMUMachine midway_machine = {
@ -372,7 +371,6 @@ static QEMUMachine midway_machine = {
    .init = midway_init,
    .block_default_type = IF_SCSI,
    .max_cpus = 4,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void calxeda_machines_init(void)
--- a/hw/arm/integratorcp.c
+++ b/hw/arm/integratorcp.c
@ -526,7 +526,6 @@ static QEMUMachine integratorcp_machine = {
    .desc = "ARM Integrator/CP (ARM926EJ-S)",
    .init = integratorcp_init,
    .is_default = 1,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void integratorcp_machine_init(void)
--- a/hw/arm/kzm.c
+++ b/hw/arm/kzm.c
@ -144,7 +144,6 @@ static QEMUMachine kzm_machine = {
    .name = "kzm",
    .desc = "ARM KZM Emulation Baseboard (ARM1136)",
    .init = kzm_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void kzm_machine_init(void)
--- a/hw/arm/mainstone.c
+++ b/hw/arm/mainstone.c
@ -179,7 +179,6 @@ static QEMUMachine mainstone2_machine = {
    .name = "mainstone",
    .desc = "Mainstone II (PXA27x)",
    .init = mainstone_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void mainstone_machine_init(void)
--- a/hw/arm/musicpal.c
+++ b/hw/arm/musicpal.c
@ -1729,7 +1729,6 @@ static QEMUMachine musicpal_machine = {
    .name = "musicpal",
    .desc = "Marvell 88w8618 / MusicPal (ARM926EJ-S)",
    .init = musicpal_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void musicpal_machine_init(void)
--- a/hw/arm/nseries.c
+++ b/hw/arm/nseries.c
@ -1340,7 +1340,7 @@ static void n8x0_init(QEMUMachineInitArgs *args,
    }

    if (option_rom[0].name &&
-        (args->boot_device[0] == 'n' || !args->kernel_filename)) {
+        (args->boot_order[0] == 'n' || !args->kernel_filename)) {
        uint8_t nolo_tags[0x10000];
        /* No, wait, better start at the ROM.  */
        s->mpu->cpu->env.regs[15] = OMAP2_Q2_BASE + 0x400000;
@ -1396,14 +1396,14 @@ static QEMUMachine n800_machine = {
    .name = "n800",
    .desc = "Nokia N800 tablet aka. RX-34 (OMAP2420)",
    .init = n800_init,
-    DEFAULT_MACHINE_OPTIONS,
+    .default_boot_order = "",
 };

 static QEMUMachine n810_machine = {
    .name = "n810",
    .desc = "Nokia N810 tablet aka. RX-44 (OMAP2420)",
    .init = n810_init,
-    DEFAULT_MACHINE_OPTIONS,
+    .default_boot_order = "",
 };

 static void nseries_machine_init(void)
--- a/hw/arm/omap_sx1.c
+++ b/hw/arm/omap_sx1.c
@ -219,14 +219,12 @@ static QEMUMachine sx1_machine_v2 = {
    .name = "sx1",
    .desc = "Siemens SX1 (OMAP310) V2",
    .init = sx1_init_v2,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static QEMUMachine sx1_machine_v1 = {
    .name = "sx1-v1",
    .desc = "Siemens SX1 (OMAP310) V1",
    .init = sx1_init_v1,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void sx1_machine_init(void)
--- a/hw/arm/palm.c
+++ b/hw/arm/palm.c
@ -273,7 +273,6 @@ static QEMUMachine palmte_machine = {
    .name = "cheetah",
    .desc = "Palm Tungsten|E aka. Cheetah PDA (OMAP310)",
    .init = palmte_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void palmte_machine_init(void)
--- a/hw/arm/realview.c
+++ b/hw/arm/realview.c
@ -369,7 +369,6 @@ static QEMUMachine realview_eb_machine = {
    .desc = "ARM RealView Emulation Baseboard (ARM926EJ-S)",
    .init = realview_eb_init,
    .block_default_type = IF_SCSI,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static QEMUMachine realview_eb_mpcore_machine = {
@ -378,14 +377,12 @@ static QEMUMachine realview_eb_mpcore_machine = {
    .init = realview_eb_mpcore_init,
    .block_default_type = IF_SCSI,
    .max_cpus = 4,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static QEMUMachine realview_pb_a8_machine = {
    .name = "realview-pb-a8",
    .desc = "ARM RealView Platform Baseboard for Cortex-A8",
    .init = realview_pb_a8_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static QEMUMachine realview_pbx_a9_machine = {
@ -394,7 +391,6 @@ static QEMUMachine realview_pbx_a9_machine = {
    .init = realview_pbx_a9_init,
    .block_default_type = IF_SCSI,
    .max_cpus = 4,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void realview_machine_init(void)
--- a/hw/arm/spitz.c
+++ b/hw/arm/spitz.c
@ -966,28 +966,24 @@ static QEMUMachine akitapda_machine = {
    .name = "akita",
    .desc = "Akita PDA (PXA270)",
    .init = akita_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static QEMUMachine spitzpda_machine = {
    .name = "spitz",
    .desc = "Spitz PDA (PXA270)",
    .init = spitz_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static QEMUMachine borzoipda_machine = {
    .name = "borzoi",
    .desc = "Borzoi PDA (PXA270)",
    .init = borzoi_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static QEMUMachine terrierpda_machine = {
    .name = "terrier",
    .desc = "Terrier PDA (PXA270)",
    .init = terrier_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void spitz_machine_init(void)
--- a/hw/arm/stellaris.c
+++ b/hw/arm/stellaris.c
@ -1348,14 +1348,12 @@ static QEMUMachine lm3s811evb_machine = {
    .name = "lm3s811evb",
    .desc = "Stellaris LM3S811EVB",
    .init = lm3s811evb_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static QEMUMachine lm3s6965evb_machine = {
    .name = "lm3s6965evb",
    .desc = "Stellaris LM3S6965EVB",
    .init = lm3s6965evb_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void stellaris_machine_init(void)
--- a/hw/arm/tosa.c
+++ b/hw/arm/tosa.c
@ -251,7 +251,6 @@ static QEMUMachine tosapda_machine = {
    .name = "tosa",
    .desc = "Tosa PDA (PXA255)",
    .init = tosa_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void tosapda_machine_init(void)
--- a/hw/arm/versatilepb.c
+++ b/hw/arm/versatilepb.c
@ -367,7 +367,6 @@ static QEMUMachine versatilepb_machine = {
    .desc = "ARM Versatile/PB (ARM926EJ-S)",
    .init = vpb_init,
    .block_default_type = IF_SCSI,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static QEMUMachine versatileab_machine = {
@ -375,7 +374,6 @@ static QEMUMachine versatileab_machine = {
    .desc = "ARM Versatile/AB (ARM926EJ-S)",
    .init = vab_init,
    .block_default_type = IF_SCSI,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void versatile_machine_init(void)
--- a/hw/arm/vexpress.c
+++ b/hw/arm/vexpress.c
@ -647,7 +647,6 @@ static QEMUMachine vexpress_a9_machine = {
    .init = vexpress_a9_init,
    .block_default_type = IF_SCSI,
    .max_cpus = 4,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static QEMUMachine vexpress_a15_machine = {
@ -656,7 +655,6 @@ static QEMUMachine vexpress_a15_machine = {
    .init = vexpress_a15_init,
    .block_default_type = IF_SCSI,
    .max_cpus = 4,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void vexpress_machine_init(void)
--- a/hw/arm/xilinx_zynq.c
+++ b/hw/arm/xilinx_zynq.c
@ -233,7 +233,6 @@ static QEMUMachine zynq_machine = {
    .block_default_type = IF_SCSI,
    .max_cpus = 1,
    .no_sdcard = 1,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void zynq_machine_init(void)
--- a/hw/arm/z2.c
+++ b/hw/arm/z2.c
@ -373,7 +373,6 @@ static QEMUMachine z2_machine = {
    .name = "z2",
    .desc = "Zipit Z2 (PXA27x)",
    .init = z2_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void z2_machine_init(void)
--- a/hw/core/null-machine.c
+++ b/hw/core/null-machine.c
@ -24,7 +24,6 @@ static QEMUMachine machine_none = {
    .desc = "empty machine",
    .init = machine_none_init,
    .max_cpus = 0,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void register_machines(void)
--- a/hw/cris/axis_dev88.c
+++ b/hw/cris/axis_dev88.c
@ -355,7 +355,6 @@ static QEMUMachine axisdev88_machine = {
    .desc = "AXIS devboard 88",
    .init = axisdev88_init,
    .is_default = 1,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void axisdev88_machine_init(void)
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@ -204,7 +204,7 @@ static void pc_init1(QEMUMachineInitArgs *args,
        }
    }

-    pc_cmos_init(below_4g_mem_size, above_4g_mem_size, args->boot_device,
+    pc_cmos_init(below_4g_mem_size, above_4g_mem_size, args->boot_order,
                 floppy, idebus[0], idebus[1], rtc_state);

    if (pci_enabled && usb_enabled(false)) {
@ -334,40 +334,43 @@ static void pc_xen_hvm_init(QEMUMachineInitArgs *args)
 }
 #endif

+#define PC_I440FX_MACHINE_OPTIONS \
+    PC_DEFAULT_MACHINE_OPTIONS, \
+    .desc = "Standard PC (i440FX + PIIX, 1996)", \
+    .hot_add_cpu = pc_hot_add_cpu
+
+#define PC_I440FX_1_6_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
+
 static QEMUMachine pc_i440fx_machine_v1_6 = {
+    PC_I440FX_1_6_MACHINE_OPTIONS,
    .name = "pc-i440fx-1.6",
    .alias = "pc",
-    .desc = "Standard PC (i440FX + PIIX, 1996)",
    .init = pc_init_pci_1_6,
-    .hot_add_cpu = pc_hot_add_cpu,
-    .max_cpus = 255,
    .is_default = 1,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static QEMUMachine pc_i440fx_machine_v1_5 = {
+    PC_I440FX_1_6_MACHINE_OPTIONS,
    .name = "pc-i440fx-1.5",
-    .desc = "Standard PC (i440FX + PIIX, 1996)",
    .init = pc_init_pci_1_5,
-    .hot_add_cpu = pc_hot_add_cpu,
-    .max_cpus = 255,
    .compat_props = (GlobalProperty[]) {
        PC_COMPAT_1_5,
        { /* end of list */ }
    },
-    DEFAULT_MACHINE_OPTIONS,
 };

+#define PC_I440FX_1_4_MACHINE_OPTIONS \
+    PC_I440FX_1_6_MACHINE_OPTIONS, \
+    .hot_add_cpu = NULL
+
 static QEMUMachine pc_i440fx_machine_v1_4 = {
+    PC_I440FX_1_4_MACHINE_OPTIONS,
    .name = "pc-i440fx-1.4",
-    .desc = "Standard PC (i440FX + PIIX, 1996)",
    .init = pc_init_pci_1_4,
-    .max_cpus = 255,
    .compat_props = (GlobalProperty[]) {
        PC_COMPAT_1_4,
        { /* end of list */ }
    },
-    DEFAULT_MACHINE_OPTIONS,
 };

 #define PC_COMPAT_1_3 \
@ -391,15 +394,13 @@ static QEMUMachine pc_i440fx_machine_v1_4 = {
        }

 static QEMUMachine pc_machine_v1_3 = {
+    PC_I440FX_1_4_MACHINE_OPTIONS,
    .name = "pc-1.3",
-    .desc = "Standard PC",
    .init = pc_init_pci_1_3,
-    .max_cpus = 255,
    .compat_props = (GlobalProperty[]) {
        PC_COMPAT_1_3,
        { /* end of list */ }
    },
-    DEFAULT_MACHINE_OPTIONS,
 };

 #define PC_COMPAT_1_2 \
@ -430,16 +431,17 @@ static QEMUMachine pc_machine_v1_3 = {
            .value    = "off",\
        }

+#define PC_I440FX_1_2_MACHINE_OPTIONS \
+    PC_I440FX_1_4_MACHINE_OPTIONS, \
+    .init = pc_init_pci_1_2
+
 static QEMUMachine pc_machine_v1_2 = {
+    PC_I440FX_1_2_MACHINE_OPTIONS,
    .name = "pc-1.2",
-    .desc = "Standard PC",
-    .init = pc_init_pci_1_2,
-    .max_cpus = 255,
    .compat_props = (GlobalProperty[]) {
        PC_COMPAT_1_2,
        { /* end of list */ }
    },
-    DEFAULT_MACHINE_OPTIONS,
 };

 #define PC_COMPAT_1_1 \
@ -475,15 +477,12 @@ static QEMUMachine pc_machine_v1_2 = {
        }

 static QEMUMachine pc_machine_v1_1 = {
+    PC_I440FX_1_2_MACHINE_OPTIONS,
    .name = "pc-1.1",
-    .desc = "Standard PC",
-    .init = pc_init_pci_1_2,
-    .max_cpus = 255,
    .compat_props = (GlobalProperty[]) {
        PC_COMPAT_1_1,
        { /* end of list */ }
    },
-    DEFAULT_MACHINE_OPTIONS,
 };

 #define PC_COMPAT_1_0 \
@ -507,32 +506,26 @@ static QEMUMachine pc_machine_v1_1 = {
        }

 static QEMUMachine pc_machine_v1_0 = {
+    PC_I440FX_1_2_MACHINE_OPTIONS,
    .name = "pc-1.0",
-    .desc = "Standard PC",
-    .init = pc_init_pci_1_2,
-    .max_cpus = 255,
    .compat_props = (GlobalProperty[]) {
        PC_COMPAT_1_0,
        { /* end of list */ }
    },
    .hw_version = "1.0",
-    DEFAULT_MACHINE_OPTIONS,
 };

 #define PC_COMPAT_0_15 \
        PC_COMPAT_1_0

 static QEMUMachine pc_machine_v0_15 = {
+    PC_I440FX_1_2_MACHINE_OPTIONS,
    .name = "pc-0.15",
-    .desc = "Standard PC",
-    .init = pc_init_pci_1_2,
-    .max_cpus = 255,
    .compat_props = (GlobalProperty[]) {
        PC_COMPAT_0_15,
        { /* end of list */ }
    },
    .hw_version = "0.15",
-    DEFAULT_MACHINE_OPTIONS,
 };

 #define PC_COMPAT_0_14 \
@ -556,10 +549,8 @@ static QEMUMachine pc_machine_v0_15 = {
        }

 static QEMUMachine pc_machine_v0_14 = {
+    PC_I440FX_1_2_MACHINE_OPTIONS,
    .name = "pc-0.14",
-    .desc = "Standard PC",
-    .init = pc_init_pci_1_2,
-    .max_cpus = 255,
    .compat_props = (GlobalProperty[]) {
        PC_COMPAT_0_14, 
        {
@ -574,7 +565,6 @@ static QEMUMachine pc_machine_v0_14 = {
        { /* end of list */ }
    },
    .hw_version = "0.14",
-    DEFAULT_MACHINE_OPTIONS,
 };

 #define PC_COMPAT_0_13 \
@ -589,11 +579,13 @@ static QEMUMachine pc_machine_v0_14 = {
            .value    = stringify(1),\
        }

+#define PC_I440FX_0_13_MACHINE_OPTIONS \
+    PC_I440FX_1_2_MACHINE_OPTIONS, \
+    .init = pc_init_pci_no_kvmclock
+
 static QEMUMachine pc_machine_v0_13 = {
+    PC_I440FX_0_13_MACHINE_OPTIONS,
    .name = "pc-0.13",
-    .desc = "Standard PC",
-    .init = pc_init_pci_no_kvmclock,
-    .max_cpus = 255,
    .compat_props = (GlobalProperty[]) {
        PC_COMPAT_0_13,
        {
@ -612,7 +604,6 @@ static QEMUMachine pc_machine_v0_13 = {
        { /* end of list */ }
    },
    .hw_version = "0.13",
-    DEFAULT_MACHINE_OPTIONS,
 };

 #define PC_COMPAT_0_12 \
@ -640,10 +631,8 @@ static QEMUMachine pc_machine_v0_13 = {
        }

 static QEMUMachine pc_machine_v0_12 = {
+    PC_I440FX_0_13_MACHINE_OPTIONS,
    .name = "pc-0.12",
-    .desc = "Standard PC",
-    .init = pc_init_pci_no_kvmclock,
-    .max_cpus = 255,
    .compat_props = (GlobalProperty[]) {
        PC_COMPAT_0_12,
        {
@ -658,7 +647,6 @@ static QEMUMachine pc_machine_v0_12 = {
        { /* end of list */ }
    },
    .hw_version = "0.12",
-    DEFAULT_MACHINE_OPTIONS,
 };

 #define PC_COMPAT_0_11 \
@ -674,10 +662,8 @@ static QEMUMachine pc_machine_v0_12 = {
        }

 static QEMUMachine pc_machine_v0_11 = {
+    PC_I440FX_0_13_MACHINE_OPTIONS,
    .name = "pc-0.11",
-    .desc = "Standard PC, qemu 0.11",
-    .init = pc_init_pci_no_kvmclock,
-    .max_cpus = 255,
    .compat_props = (GlobalProperty[]) {
        PC_COMPAT_0_11,
        {
@ -692,14 +678,11 @@ static QEMUMachine pc_machine_v0_11 = {
        { /* end of list */ }
    },
    .hw_version = "0.11",
-    DEFAULT_MACHINE_OPTIONS,
 };

 static QEMUMachine pc_machine_v0_10 = {
+    PC_I440FX_0_13_MACHINE_OPTIONS,
    .name = "pc-0.10",
-    .desc = "Standard PC, qemu 0.10",
-    .init = pc_init_pci_no_kvmclock,
-    .max_cpus = 255,
    .compat_props = (GlobalProperty[]) {
        PC_COMPAT_0_11,
        {
@ -726,10 +709,10 @@ static QEMUMachine pc_machine_v0_10 = {
        { /* end of list */ }
    },
    .hw_version = "0.10",
-    DEFAULT_MACHINE_OPTIONS,
 };

 static QEMUMachine isapc_machine = {
+    PC_COMMON_MACHINE_OPTIONS,
    .name = "isapc",
    .desc = "ISA-only PC",
    .init = pc_init_isa,
@ -737,17 +720,16 @@ static QEMUMachine isapc_machine = {
    .compat_props = (GlobalProperty[]) {
        { /* end of list */ }
    },
-    DEFAULT_MACHINE_OPTIONS,
 };

 #ifdef CONFIG_XEN
 static QEMUMachine xenfv_machine = {
+    PC_COMMON_MACHINE_OPTIONS,
    .name = "xenfv",
    .desc = "Xen Fully-virtualized PC",
    .init = pc_xen_hvm_init,
    .max_cpus = HVM_MAX_VCPUS,
    .default_machine_opts = "accel=xen",
-    DEFAULT_MACHINE_OPTIONS,
 };
 #endif

--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@ -200,7 +200,7 @@ static void pc_q35_init(QEMUMachineInitArgs *args)
                                    0xb100),
                      8, NULL, 0);

-    pc_cmos_init(below_4g_mem_size, above_4g_mem_size, args->boot_device,
+    pc_cmos_init(below_4g_mem_size, above_4g_mem_size, args->boot_order,
                 floppy, idebus[0], idebus[1], rtc_state);

    /* the rest devices to which pci devfn is automatically assigned */
@ -253,39 +253,42 @@ static void pc_q35_init_1_4(QEMUMachineInitArgs *args)
    pc_q35_init(args);
 }

+#define PC_Q35_MACHINE_OPTIONS \
+    PC_DEFAULT_MACHINE_OPTIONS, \
+    .desc = "Standard PC (Q35 + ICH9, 2009)", \
+    .hot_add_cpu = pc_hot_add_cpu
+
+#define PC_Q35_1_6_MACHINE_OPTIONS PC_Q35_MACHINE_OPTIONS
+
 static QEMUMachine pc_q35_machine_v1_6 = {
+    PC_Q35_1_6_MACHINE_OPTIONS,
    .name = "pc-q35-1.6",
    .alias = "q35",
-    .desc = "Standard PC (Q35 + ICH9, 2009)",
    .init = pc_q35_init_1_6,
-    .hot_add_cpu = pc_hot_add_cpu,
-    .max_cpus = 255,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static QEMUMachine pc_q35_machine_v1_5 = {
+    PC_Q35_1_6_MACHINE_OPTIONS,
    .name = "pc-q35-1.5",
-    .desc = "Standard PC (Q35 + ICH9, 2009)",
    .init = pc_q35_init_1_5,
-    .hot_add_cpu = pc_hot_add_cpu,
-    .max_cpus = 255,
    .compat_props = (GlobalProperty[]) {
        PC_COMPAT_1_5,
        { /* end of list */ }
    },
-    DEFAULT_MACHINE_OPTIONS,
 };

+#define PC_Q35_1_4_MACHINE_OPTIONS \
+    PC_Q35_1_6_MACHINE_OPTIONS, \
+    .hot_add_cpu = NULL
+
 static QEMUMachine pc_q35_machine_v1_4 = {
+    PC_Q35_1_4_MACHINE_OPTIONS,
    .name = "pc-q35-1.4",
-    .desc = "Standard PC (Q35 + ICH9, 2009)",
    .init = pc_q35_init_1_4,
-    .max_cpus = 255,
    .compat_props = (GlobalProperty[]) {
        PC_COMPAT_1_4,
        { /* end of list */ }
    },
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void pc_q35_machine_init(void)
--- a/hw/i386/xen_machine_pv.c
+++ b/hw/i386/xen_machine_pv.c
@ -99,7 +99,6 @@ static QEMUMachine xenpv_machine = {
    .init = xen_init_pv,
    .max_cpus = 1,
    .default_machine_opts = "accel=xen",
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void xenpv_machine_init(void)
--- a/hw/lm32/lm32_boards.c
+++ b/hw/lm32/lm32_boards.c
@ -289,7 +289,6 @@ static QEMUMachine lm32_evr_machine = {
    .desc = "LatticeMico32 EVR32 eval system",
    .init = lm32_evr_init,
    .is_default = 1,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static QEMUMachine lm32_uclinux_machine = {
@ -297,7 +296,6 @@ static QEMUMachine lm32_uclinux_machine = {
    .desc = "lm32 platform for uClinux and u-boot by Theobroma Systems",
    .init = lm32_uclinux_init,
    .is_default = 0,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void lm32_machine_init(void)
--- a/hw/lm32/milkymist.c
+++ b/hw/lm32/milkymist.c
@ -208,7 +208,6 @@ static QEMUMachine milkymist_machine = {
    .desc = "Milkymist One",
    .init = milkymist_init,
    .is_default = 0,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void milkymist_machine_init(void)
--- a/hw/m68k/an5206.c
+++ b/hw/m68k/an5206.c
@ -89,7 +89,6 @@ static QEMUMachine an5206_machine = {
    .name = "an5206",
    .desc = "Arnewsh 5206",
    .init = an5206_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void an5206_machine_init(void)
--- a/hw/m68k/dummy_m68k.c
+++ b/hw/m68k/dummy_m68k.c
@ -73,7 +73,6 @@ static QEMUMachine dummy_m68k_machine = {
    .name = "dummy",
    .desc = "Dummy board",
    .init = dummy_m68k_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void dummy_m68k_machine_init(void)
--- a/hw/m68k/mcf5208.c
+++ b/hw/m68k/mcf5208.c
@ -295,7 +295,6 @@ static QEMUMachine mcf5208evb_machine = {
    .desc = "MCF5206EVB",
    .init = mcf5208evb_init,
    .is_default = 1,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void mcf5208evb_machine_init(void)
--- a/hw/microblaze/petalogix_ml605_mmu.c
+++ b/hw/microblaze/petalogix_ml605_mmu.c
@ -186,7 +186,6 @@ static QEMUMachine petalogix_ml605_machine = {
    .desc = "PetaLogix linux refdesign for xilinx ml605 little endian",
    .init = petalogix_ml605_init,
    .is_default = 0,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void petalogix_ml605_machine_init(void)
--- a/hw/microblaze/petalogix_s3adsp1800_mmu.c
+++ b/hw/microblaze/petalogix_s3adsp1800_mmu.c
@ -116,7 +116,6 @@ static QEMUMachine petalogix_s3adsp1800_machine = {
    .desc = "PetaLogix linux refdesign for xilinx Spartan 3ADSP1800",
    .init = petalogix_s3adsp1800_init,
    .is_default = 1,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void petalogix_s3adsp1800_machine_init(void)
--- a/hw/mips/mips_fulong2e.c
+++ b/hw/mips/mips_fulong2e.c
@ -403,7 +403,6 @@ static QEMUMachine mips_fulong2e_machine = {
    .name = "fulong2e",
    .desc = "Fulong 2e mini pc",
    .init = mips_fulong2e_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void mips_fulong2e_machine_init(void)
--- a/hw/mips/mips_jazz.c
+++ b/hw/mips/mips_jazz.c
@ -327,7 +327,6 @@ static QEMUMachine mips_magnum_machine = {
    .desc = "MIPS Magnum",
    .init = mips_magnum_init,
    .block_default_type = IF_SCSI,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static QEMUMachine mips_pica61_machine = {
@ -335,7 +334,6 @@ static QEMUMachine mips_pica61_machine = {
    .desc = "Acer Pica 61",
    .init = mips_pica61_init,
    .block_default_type = IF_SCSI,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void mips_jazz_machine_init(void)
--- a/hw/mips/mips_malta.c
+++ b/hw/mips/mips_malta.c
@ -1136,7 +1136,6 @@ static QEMUMachine mips_malta_machine = {
    .init = mips_malta_init,
    .max_cpus = 16,
    .is_default = 1,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void mips_malta_register_types(void)
--- a/hw/mips/mips_mipssim.c
+++ b/hw/mips/mips_mipssim.c
@ -232,7 +232,6 @@ static QEMUMachine mips_mipssim_machine = {
    .name = "mipssim",
    .desc = "MIPS MIPSsim platform",
    .init = mips_mipssim_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void mips_mipssim_machine_init(void)
--- a/hw/mips/mips_r4k.c
+++ b/hw/mips/mips_r4k.c
@ -306,7 +306,6 @@ static QEMUMachine mips_machine = {
    .name = "mips",
    .desc = "mips r4k platform",
    .init = mips_r4k_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void mips_machine_init(void)
--- a/hw/openrisc/openrisc_sim.c
+++ b/hw/openrisc/openrisc_sim.c
@ -138,7 +138,6 @@ static QEMUMachine openrisc_sim_machine = {
    .init = openrisc_sim_init,
    .max_cpus = 1,
    .is_default = 1,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void openrisc_sim_machine_init(void)
--- a/hw/pci-host/piix.c
+++ b/hw/pci-host/piix.c
@ -320,6 +320,7 @@ PCIBus *i440fx_init(PCII440FXState **pi440fx_state,
    PCII440FXState *f;
    unsigned i;
    I440FXState *i440fx;
+    uint64_t pci_hole64_size;

    dev = qdev_create(NULL, TYPE_I440FX_PCI_HOST_BRIDGE);
    s = PCI_HOST_BRIDGE(dev);
@ -351,13 +352,15 @@ PCIBus *i440fx_init(PCII440FXState **pi440fx_state,
                             pci_hole_start, pci_hole_size);
    memory_region_add_subregion(f->system_memory, pci_hole_start, &f->pci_hole);

+    pci_hole64_size = pci_host_get_hole64_size(i440fx->pci_hole64_size);
+
    pc_init_pci64_hole(&i440fx->pci_info, 0x100000000ULL + above_4g_mem_size,
-                       i440fx->pci_hole64_size);
+                       pci_hole64_size);
    memory_region_init_alias(&f->pci_hole_64bit, OBJECT(d), "pci-hole64",
                             f->pci_address_space,
                             i440fx->pci_info.w64.begin,
-                             i440fx->pci_hole64_size);
-    if (i440fx->pci_hole64_size) {
+                             pci_hole64_size);
+    if (pci_hole64_size) {
        memory_region_add_subregion(f->system_memory,
                                    i440fx->pci_info.w64.begin,
                                    &f->pci_hole_64bit);
--- a/hw/pci-host/q35.c
+++ b/hw/pci-host/q35.c
@ -320,6 +320,7 @@ static int mch_init(PCIDevice *d)
 {
    int i;
    MCHPCIState *mch = MCH_PCI_DEVICE(d);
+    uint64_t pci_hole64_size;

    /* setup pci memory regions */
    memory_region_init_alias(&mch->pci_hole, OBJECT(mch), "pci-hole",
@ -329,13 +330,14 @@ static int mch_init(PCIDevice *d)
    memory_region_add_subregion(mch->system_memory, mch->below_4g_mem_size,
                                &mch->pci_hole);

+    pci_hole64_size = pci_host_get_hole64_size(mch->pci_hole64_size);
    pc_init_pci64_hole(&mch->pci_info, 0x100000000ULL + mch->above_4g_mem_size,
-                       mch->pci_hole64_size);
+                       pci_hole64_size);
    memory_region_init_alias(&mch->pci_hole_64bit, OBJECT(mch), "pci-hole64",
                             mch->pci_address_space,
                             mch->pci_info.w64.begin,
-                             mch->pci_hole64_size);
-    if (mch->pci_hole64_size) {
+                             pci_hole64_size);
+    if (pci_hole64_size) {
        memory_region_add_subregion(mch->system_memory,
                                    mch->pci_info.w64.begin,
                                    &mch->pci_hole_64bit);
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@ -812,12 +812,7 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus,
    }

    pci_dev->bus = bus;
-    if (bus->iommu_fn) {
-        dma_as = bus->iommu_fn(bus, bus->iommu_opaque, devfn);
-    } else {
-        /* FIXME: inherit memory region from bus creator */
-        dma_as = &address_space_memory;
-    }
+    dma_as = pci_device_iommu_address_space(pci_dev);

    memory_region_init_alias(&pci_dev->bus_master_enable_region,
                             OBJECT(pci_dev), "bus master",
@ -2239,6 +2234,23 @@ static void pci_device_class_init(ObjectClass *klass, void *data)
    k->props = pci_props;
 }

+AddressSpace *pci_device_iommu_address_space(PCIDevice *dev)
+{
+    PCIBus *bus = PCI_BUS(dev->bus);
+
+    if (bus->iommu_fn) {
+        return bus->iommu_fn(bus, bus->iommu_opaque, dev->devfn);
+    }
+
+    if (bus->parent_dev) {
+        /** We are ignoring the bus master DMA bit of the bridge
+         *  as it would complicate things such as VFIO for no good reason */
+        return pci_device_iommu_address_space(bus->parent_dev);
+    }
+
+    return &address_space_memory;
+}
+
 void pci_setup_iommu(PCIBus *bus, PCIIOMMUFunc fn, void *opaque)
 {
    bus->iommu_fn = fn;
--- a/hw/pci/pci_host.c
+++ b/hw/pci/pci_host.c
@ -20,6 +20,7 @@

 #include "hw/pci/pci.h"
 #include "hw/pci/pci_host.h"
+#include "trace.h"

 /* debug PCI */
 //#define DEBUG_PCI
@ -51,14 +52,22 @@ void pci_host_config_write_common(PCIDevice *pci_dev, uint32_t addr,
                                  uint32_t limit, uint32_t val, uint32_t len)
 {
    assert(len <= 4);
+    trace_pci_cfg_write(pci_dev->name, PCI_SLOT(pci_dev->devfn),
+                        PCI_FUNC(pci_dev->devfn), addr, val);
    pci_dev->config_write(pci_dev, addr, val, MIN(len, limit - addr));
 }

 uint32_t pci_host_config_read_common(PCIDevice *pci_dev, uint32_t addr,
                                     uint32_t limit, uint32_t len)
 {
+    uint32_t ret;
+
    assert(len <= 4);
-    return pci_dev->config_read(pci_dev, addr, MIN(len, limit - addr));
+    ret = pci_dev->config_read(pci_dev, addr, MIN(len, limit - addr));
+    trace_pci_cfg_read(pci_dev->name, PCI_SLOT(pci_dev->devfn),
+                       PCI_FUNC(pci_dev->devfn), addr, ret);
+
+    return ret;
 }

 void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, int len)
--- a/hw/ppc/e500plat.c
+++ b/hw/ppc/e500plat.c
@ -51,7 +51,6 @@ static QEMUMachine e500plat_machine = {
    .desc = "generic paravirt e500 platform",
    .init = e500plat_init,
    .max_cpus = 32,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void e500plat_machine_init(void)
--- a/hw/ppc/mac_newworld.c
+++ b/hw/ppc/mac_newworld.c
@ -147,7 +147,7 @@ static void ppc_core99_init(QEMUMachineInitArgs *args)
    const char *kernel_filename = args->kernel_filename;
    const char *kernel_cmdline = args->kernel_cmdline;
    const char *initrd_filename = args->initrd_filename;
-    const char *boot_device = args->boot_device;
+    const char *boot_device = args->boot_order;
    PowerPCCPU *cpu = NULL;
    CPUPPCState *env = NULL;
    char *filename;
@ -477,7 +477,7 @@ static QEMUMachine core99_machine = {
    .desc = "Mac99 based PowerMAC",
    .init = ppc_core99_init,
    .max_cpus = MAX_CPUS,
-    DEFAULT_MACHINE_OPTIONS,
+    .default_boot_order = "cd",
 };

 static void core99_machine_init(void)
--- a/hw/ppc/mac_oldworld.c
+++ b/hw/ppc/mac_oldworld.c
@ -78,7 +78,7 @@ static void ppc_heathrow_init(QEMUMachineInitArgs *args)
    const char *kernel_filename = args->kernel_filename;
    const char *kernel_cmdline = args->kernel_cmdline;
    const char *initrd_filename = args->initrd_filename;
-    const char *boot_device = args->boot_device;
+    const char *boot_device = args->boot_order;
    MemoryRegion *sysmem = get_system_memory();
    PowerPCCPU *cpu = NULL;
    CPUPPCState *env = NULL;
@ -350,7 +350,7 @@ static QEMUMachine heathrow_machine = {
 #ifndef TARGET_PPC64
    .is_default = 1,
 #endif
-    DEFAULT_MACHINE_OPTIONS,
+    .default_boot_order = "cd", /* TOFIX "cad" when Mac floppy is implemented */
 };

 static void heathrow_machine_init(void)
--- a/hw/ppc/mpc8544ds.c
+++ b/hw/ppc/mpc8544ds.c
@ -44,7 +44,6 @@ static QEMUMachine ppce500_machine = {
    .desc = "mpc8544ds",
    .init = mpc8544ds_init,
    .max_cpus = 15,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void ppce500_machine_init(void)
--- a/hw/ppc/ppc405_boards.c
+++ b/hw/ppc/ppc405_boards.c
@ -367,7 +367,6 @@ static QEMUMachine ref405ep_machine = {
    .name = "ref405ep",
    .desc = "ref405ep",
    .init = ref405ep_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 /*****************************************************************************/
@ -655,7 +654,6 @@ static QEMUMachine taihu_machine = {
    .name = "taihu",
    .desc = "taihu",
    .init = taihu_405ep_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void ppc405_machine_init(void)
--- a/hw/ppc/ppc440_bamboo.c
+++ b/hw/ppc/ppc440_bamboo.c
@ -296,7 +296,6 @@ static QEMUMachine bamboo_machine = {
    .name = "bamboo",
    .desc = "bamboo",
    .init = bamboo_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void bamboo_machine_init(void)
--- a/hw/ppc/prep.c
+++ b/hw/ppc/prep.c
@ -452,7 +452,7 @@ static void ppc_prep_init(QEMUMachineInitArgs *args)
    const char *kernel_filename = args->kernel_filename;
    const char *kernel_cmdline = args->kernel_cmdline;
    const char *initrd_filename = args->initrd_filename;
-    const char *boot_device = args->boot_device;
+    const char *boot_device = args->boot_order;
    MemoryRegion *sysmem = get_system_memory();
    PowerPCCPU *cpu = NULL;
    CPUPPCState *env = NULL;
@ -691,7 +691,7 @@ static QEMUMachine prep_machine = {
    .desc = "PowerPC PREP platform",
    .init = ppc_prep_init,
    .max_cpus = MAX_CPUS,
-    DEFAULT_MACHINE_OPTIONS,
+    .default_boot_order = "cad",
 };

 static void prep_machine_init(void)
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@ -1091,7 +1091,7 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
    const char *kernel_filename = args->kernel_filename;
    const char *kernel_cmdline = args->kernel_cmdline;
    const char *initrd_filename = args->initrd_filename;
-    const char *boot_device = args->boot_device;
+    const char *boot_device = args->boot_order;
    PowerPCCPU *cpu;
    CPUPPCState *env;
    PCIHostState *phb;
@ -1346,7 +1346,7 @@ static QEMUMachine spapr_machine = {
    .block_default_type = IF_SCSI,
    .max_cpus = MAX_CPUS,
    .no_parallel = 1,
-    .boot_order = NULL,
+    .default_boot_order = NULL,
 };

 static void spapr_machine_init(void)
--- a/hw/ppc/virtex_ml507.c
+++ b/hw/ppc/virtex_ml507.c
@ -254,7 +254,6 @@ static QEMUMachine virtex_machine = {
    .name = "virtex-ml507",
    .desc = "Xilinx Virtex ML507 reference design",
    .init = virtex_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void virtex_machine_init(void)
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@ -141,7 +141,6 @@ static QEMUMachine ccw_machine = {
    .no_sdcard = 1,
    .use_sclp = 1,
    .max_cpus = 255,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void ccw_machine_init(void)
--- a/hw/s390x/s390-virtio.c
+++ b/hw/s390x/s390-virtio.c
@ -293,7 +293,6 @@ static QEMUMachine s390_machine = {
    .use_virtcon = 1,
    .max_cpus = 255,
    .is_default = 1,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void s390_machine_init(void)
--- a/hw/sh4/r2d.c
+++ b/hw/sh4/r2d.c
@ -356,7 +356,6 @@ static QEMUMachine r2d_machine = {
    .name = "r2d",
    .desc = "r2d-plus board",
    .init = r2d_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void r2d_machine_init(void)
--- a/hw/sh4/shix.c
+++ b/hw/sh4/shix.c
@ -96,7 +96,6 @@ static QEMUMachine shix_machine = {
    .desc = "shix card",
    .init = shix_init,
    .is_default = 1,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void shix_machine_init(void)
--- a/hw/sparc/leon3.c
+++ b/hw/sparc/leon3.c
@ -216,7 +216,6 @@ static QEMUMachine leon3_generic_machine = {
    .name     = "leon3_generic",
    .desc     = "Leon-3 generic",
    .init     = leon3_generic_hw_init,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void leon3_machine_init(void)
--- a/hw/sparc/sun4m.c
+++ b/hw/sparc/sun4m.c
@ -996,7 +996,7 @@ static void sun4m_hw_init(const struct sun4m_hwdef *hwdef,
                                    args->ram_size);

    nvram_init(nvram, (uint8_t *)&nd_table[0].macaddr, args->kernel_cmdline,
-               args->boot_device, args->ram_size, kernel_size, graphic_width,
+               args->boot_order, args->ram_size, kernel_size, graphic_width,
               graphic_height, graphic_depth, hwdef->nvram_machine_id,
               "Sun4m");

@ -1027,7 +1027,7 @@ static void sun4m_hw_init(const struct sun4m_hwdef *hwdef,
    }
    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, INITRD_LOAD_ADDR);
    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, 0); // not used
-    fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, args->boot_device[0]);
+    fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, args->boot_order[0]);
    qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
 }

@ -1348,7 +1348,7 @@ static QEMUMachine ss5_machine = {
    .init = ss5_init,
    .block_default_type = IF_SCSI,
    .is_default = 1,
-    DEFAULT_MACHINE_OPTIONS,
+    .default_boot_order = "c",
 };

 static QEMUMachine ss10_machine = {
@ -1357,7 +1357,7 @@ static QEMUMachine ss10_machine = {
    .init = ss10_init,
    .block_default_type = IF_SCSI,
    .max_cpus = 4,
-    DEFAULT_MACHINE_OPTIONS,
+    .default_boot_order = "c",
 };

 static QEMUMachine ss600mp_machine = {
@ -1366,7 +1366,7 @@ static QEMUMachine ss600mp_machine = {
    .init = ss600mp_init,
    .block_default_type = IF_SCSI,
    .max_cpus = 4,
-    DEFAULT_MACHINE_OPTIONS,
+    .default_boot_order = "c",
 };

 static QEMUMachine ss20_machine = {
@ -1375,7 +1375,7 @@ static QEMUMachine ss20_machine = {
    .init = ss20_init,
    .block_default_type = IF_SCSI,
    .max_cpus = 4,
-    DEFAULT_MACHINE_OPTIONS,
+    .default_boot_order = "c",
 };

 static QEMUMachine voyager_machine = {
@ -1383,7 +1383,7 @@ static QEMUMachine voyager_machine = {
    .desc = "Sun4m platform, SPARCstation Voyager",
    .init = vger_init,
    .block_default_type = IF_SCSI,
-    DEFAULT_MACHINE_OPTIONS,
+    .default_boot_order = "c",
 };

 static QEMUMachine ss_lx_machine = {
@ -1391,7 +1391,7 @@ static QEMUMachine ss_lx_machine = {
    .desc = "Sun4m platform, SPARCstation LX",
    .init = ss_lx_init,
    .block_default_type = IF_SCSI,
-    DEFAULT_MACHINE_OPTIONS,
+    .default_boot_order = "c",
 };

 static QEMUMachine ss4_machine = {
@ -1399,7 +1399,7 @@ static QEMUMachine ss4_machine = {
    .desc = "Sun4m platform, SPARCstation 4",
    .init = ss4_init,
    .block_default_type = IF_SCSI,
-    DEFAULT_MACHINE_OPTIONS,
+    .default_boot_order = "c",
 };

 static QEMUMachine scls_machine = {
@ -1407,7 +1407,7 @@ static QEMUMachine scls_machine = {
    .desc = "Sun4m platform, SPARCClassic",
    .init = scls_init,
    .block_default_type = IF_SCSI,
-    DEFAULT_MACHINE_OPTIONS,
+    .default_boot_order = "c",
 };

 static QEMUMachine sbook_machine = {
@ -1415,7 +1415,7 @@ static QEMUMachine sbook_machine = {
    .desc = "Sun4m platform, SPARCbook",
    .init = sbook_init,
    .block_default_type = IF_SCSI,
-    DEFAULT_MACHINE_OPTIONS,
+    .default_boot_order = "c",
 };

 static void sun4m_register_types(void)
--- a/hw/sparc64/sun4u.c
+++ b/hw/sparc64/sun4u.c
@ -881,7 +881,7 @@ static void sun4uv_init(MemoryRegion *address_space_mem,
                                    &kernel_addr, &kernel_entry);

    sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", args->ram_size,
-                           args->boot_device,
+                           args->boot_order,
                           kernel_addr, kernel_size,
                           args->kernel_cmdline,
                           initrd_addr, initrd_size,
@ -906,7 +906,7 @@ static void sun4uv_init(MemoryRegion *address_space_mem,
    }
    fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
    fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
-    fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, args->boot_device[0]);
+    fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, args->boot_order[0]);

    fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
    fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
@ -969,7 +969,7 @@ static QEMUMachine sun4u_machine = {
    .init = sun4u_init,
    .max_cpus = 1, // XXX for now
    .is_default = 1,
-    DEFAULT_MACHINE_OPTIONS,
+    .default_boot_order = "c",
 };

 static QEMUMachine sun4v_machine = {
@ -977,7 +977,7 @@ static QEMUMachine sun4v_machine = {
    .desc = "Sun4v platform",
    .init = sun4v_init,
    .max_cpus = 1, // XXX for now
-    DEFAULT_MACHINE_OPTIONS,
+    .default_boot_order = "c",
 };

 static QEMUMachine niagara_machine = {
@ -985,7 +985,7 @@ static QEMUMachine niagara_machine = {
    .desc = "Sun4v platform, Niagara",
    .init = niagara_init,
    .max_cpus = 1, // XXX for now
-    DEFAULT_MACHINE_OPTIONS,
+    .default_boot_order = "c",
 };

 static void sun4u_register_types(void)
--- a/hw/unicore32/puv3.c
+++ b/hw/unicore32/puv3.c
@ -128,7 +128,6 @@ static QEMUMachine puv3_machine = {
    .desc = "PKUnity Version-3 based on UniCore32",
    .init = puv3_init,
    .is_default = 1,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void puv3_machine_init(void)
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@ -800,8 +800,7 @@ static int virtio_pci_set_guest_notifiers(DeviceState *d, int nvqs, bool assign)
            break;
        }

-        r = virtio_pci_set_guest_notifier(d, n, assign,
-                                          kvm_msi_via_irqfd_enabled());
+        r = virtio_pci_set_guest_notifier(d, n, assign, with_irqfd);
        if (r < 0) {
            goto assign_error;
        }
--- a/hw/xtensa/xtensa_lx60.c
+++ b/hw/xtensa/xtensa_lx60.c
@ -297,7 +297,6 @@ static QEMUMachine xtensa_lx60_machine = {
    .desc = "lx60 EVB (" XTENSA_DEFAULT_CPU_MODEL ")",
    .init = xtensa_lx60_init,
    .max_cpus = 4,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static QEMUMachine xtensa_lx200_machine = {
@ -305,7 +304,6 @@ static QEMUMachine xtensa_lx200_machine = {
    .desc = "lx200 EVB (" XTENSA_DEFAULT_CPU_MODEL ")",
    .init = xtensa_lx200_init,
    .max_cpus = 4,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void xtensa_lx_machines_init(void)
--- a/hw/xtensa/xtensa_sim.c
+++ b/hw/xtensa/xtensa_sim.c
@ -108,7 +108,6 @@ static QEMUMachine xtensa_sim_machine = {
    .is_default = true,
    .init = xtensa_sim_init,
    .max_cpus = 4,
-    DEFAULT_MACHINE_OPTIONS,
 };

 static void xtensa_sim_machine_init(void)
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@ -6,12 +6,9 @@
 #include "sysemu/blockdev.h"
 #include "hw/qdev.h"

-#define DEFAULT_MACHINE_OPTIONS \
-    .boot_order = "cad"
-
 typedef struct QEMUMachineInitArgs {
    ram_addr_t ram_size;
-    const char *boot_device;
+    const char *boot_order;
    const char *kernel_filename;
    const char *kernel_cmdline;
    const char *initrd_filename;
@ -42,7 +39,7 @@ typedef struct QEMUMachine {
        no_sdcard:1;
    int is_default;
    const char *default_machine_opts;
-    const char *boot_order;
+    const char *default_boot_order;
    GlobalProperty *compat_props;
    struct QEMUMachine *next;
    const char *hw_version;
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@ -106,7 +106,16 @@ PcGuestInfo *pc_guest_info_init(ram_addr_t below_4g_mem_size,
 #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start"
 #define PCI_HOST_PROP_PCI_HOLE64_END   "pci-hole64-end"
 #define PCI_HOST_PROP_PCI_HOLE64_SIZE  "pci-hole64-size"
-#define DEFAULT_PCI_HOLE64_SIZE (1ULL << 31)
+#define DEFAULT_PCI_HOLE64_SIZE (~0x0ULL)
+
+static inline uint64_t pci_host_get_hole64_size(uint64_t pci_hole64_size)
+{
+    if (pci_hole64_size == DEFAULT_PCI_HOLE64_SIZE) {
+        return 1ULL << 62;
+    } else {
+        return pci_hole64_size;
+    }
+}

 void pc_init_pci64_hole(PcPciInfo *pci_info, uint64_t pci_hole64_start,
                        uint64_t pci_hole64_size);
@ -316,4 +325,12 @@ int e820_add_entry(uint64_t, uint64_t, uint32_t);
            .value    = stringify(0),\
        }

+#define PC_COMMON_MACHINE_OPTIONS \
+    .default_boot_order = "cad"
+
+#define PC_DEFAULT_MACHINE_OPTIONS \
+    PC_COMMON_MACHINE_OPTIONS, \
+    .hot_add_cpu = pc_hot_add_cpu, \
+    .max_cpus = 255
+
 #endif
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@ -405,6 +405,7 @@ void pci_device_deassert_intx(PCIDevice *dev);

 typedef AddressSpace *(*PCIIOMMUFunc)(PCIBus *, void *, int);

+AddressSpace *pci_device_iommu_address_space(PCIDevice *dev);
 void pci_setup_iommu(PCIBus *bus, PCIIOMMUFunc fn, void *opaque);

 static inline void
--- a/4
+++ b/4
@ -1181,3 +1181,7 @@ object_class_dynamic_cast_assert(const char *type, const char *target, const cha
 # hw/xen/xen_pvdevice.c
 xen_pv_mmio_read(uint64_t addr) "WARNING: read from Xen PV Device MMIO space (address %"PRIx64")"
 xen_pv_mmio_write(uint64_t addr) "WARNING: write to Xen PV Device MMIO space (address %"PRIx64")"
+
+# hw/pci/pci_host.c
+pci_cfg_read(const char *dev, unsigned devid, unsigned fnid, unsigned offs, unsigned val) "%s %02u:%u @0x%x -> 0x%x"
+pci_cfg_write(const char *dev, unsigned devid, unsigned fnid, unsigned offs, unsigned val) "%s %02u:%u @0x%x <- 0x%x"
--- a/vl.c
+++ b/vl.c
@ -4123,7 +4123,7 @@ int main(int argc, char **argv, char **envp)
    kernel_cmdline = qemu_opt_get(machine_opts, "append");

    if (!boot_order) {
-        boot_order = machine->boot_order;
+        boot_order = machine->default_boot_order;
    }
    opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
    if (opts) {
@ -4311,7 +4311,7 @@ int main(int argc, char **argv, char **envp)
    qdev_machine_init();

    QEMUMachineInitArgs args = { .ram_size = ram_size,
-                                 .boot_device = boot_order,
+                                 .boot_order = boot_order,
                                 .kernel_filename = kernel_filename,
                                 .kernel_cmdline = kernel_cmdline,
                                 .initrd_filename = initrd_filename,