]> git.proxmox.com Git - mirror_qemu.git/blobdiff - hw/i386/pc_q35.c
slirp: Give error message if hostfwd_add/remove for unrecognized vlan/stack
[mirror_qemu.git] / hw / i386 / pc_q35.c
index ca84e1c04ceb38c4c94a0406aa367059395956d7..36b6ab0bce3d63f056b4ae28cea3add002410fb1 100644 (file)
 #include "hw/pci-host/q35.h"
 #include "exec/address-spaces.h"
 #include "hw/i386/ich9.h"
+#include "hw/i386/smbios.h"
 #include "hw/ide/pci.h"
 #include "hw/ide/ahci.h"
 #include "hw/usb.h"
 #include "hw/cpu/icc_bus.h"
+#include "qemu/error-report.h"
 
 /* ICH9 AHCI has 6 ports */
 #define MAX_SATA_PORTS     6
 
-static bool has_pvpanic;
-static bool has_pci_info = true;
+static bool has_pci_info;
+static bool has_acpi_build = true;
+static bool smbios_defaults = true;
+static bool smbios_legacy_mode;
+/* Make sure that guest addresses aligned at 1Gbyte boundaries get mapped to
+ * host addresses aligned at 1Gbyte boundaries.  This way we can use 1GByte
+ * pages in the host.
+ */
+static bool gigabyte_align = true;
+static bool has_reserved_memory = true;
 
 /* PC hardware initialisation */
-static void pc_q35_init(QEMUMachineInitArgs *args)
+static void pc_q35_init(MachineState *machine)
 {
+    PCMachineState *pc_machine = PC_MACHINE(machine);
     ram_addr_t below_4g_mem_size, above_4g_mem_size;
     Q35PCIHost *q35_host;
     PCIHostState *phb;
@@ -75,8 +86,46 @@ static void pc_q35_init(QEMUMachineInitArgs *args)
     PCIDevice *ahci;
     DeviceState *icc_bridge;
     PcGuestInfo *guest_info;
+    ram_addr_t lowmem;
+
+    /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory
+     * and 256 Mbytes for PCI Express Enhanced Configuration Access Mapping
+     * also known as MMCFG).
+     * If it doesn't, we need to split it in chunks below and above 4G.
+     * In any case, try to make sure that guest addresses aligned at
+     * 1G boundaries get mapped to host addresses aligned at 1G boundaries.
+     * For old machine types, use whatever split we used historically to avoid
+     * breaking migration.
+     */
+    if (machine->ram_size >= 0xb0000000) {
+        lowmem = gigabyte_align ? 0x80000000 : 0xb0000000;
+    } else {
+        lowmem = 0xb0000000;
+    }
 
-    if (xen_enabled() && xen_hvm_init(&ram_memory) != 0) {
+    /* Handle the machine opt max-ram-below-4g.  It is basicly doing
+     * min(qemu limit, user limit).
+     */
+    if (lowmem > pc_machine->max_ram_below_4g) {
+        lowmem = pc_machine->max_ram_below_4g;
+        if (machine->ram_size - lowmem > lowmem &&
+            lowmem & ((1ULL << 30) - 1)) {
+            error_report("Warning: Large machine and max_ram_below_4g(%"PRIu64
+                         ") not a multiple of 1G; possible bad performance.",
+                         pc_machine->max_ram_below_4g);
+        }
+    }
+
+    if (machine->ram_size >= lowmem) {
+        above_4g_mem_size = machine->ram_size - lowmem;
+        below_4g_mem_size = lowmem;
+    } else {
+        above_4g_mem_size = 0;
+        below_4g_mem_size = machine->ram_size;
+    }
+
+    if (xen_enabled() && xen_hvm_init(&below_4g_mem_size, &above_4g_mem_size,
+                                      &ram_memory) != 0) {
         fprintf(stderr, "xen hardware virtual machine initialisation failed\n");
         exit(1);
     }
@@ -85,23 +134,15 @@ static void pc_q35_init(QEMUMachineInitArgs *args)
     object_property_add_child(qdev_get_machine(), "icc-bridge",
                               OBJECT(icc_bridge), NULL);
 
-    pc_cpus_init(args->cpu_model, icc_bridge);
+    pc_cpus_init(machine->cpu_model, icc_bridge);
     pc_acpi_init("q35-acpi-dsdt.aml");
 
     kvmclock_create();
 
-    if (args->ram_size >= 0xb0000000) {
-        above_4g_mem_size = args->ram_size - 0xb0000000;
-        below_4g_mem_size = 0xb0000000;
-    } else {
-        above_4g_mem_size = 0;
-        below_4g_mem_size = args->ram_size;
-    }
-
     /* pci enabled */
     if (pci_enabled) {
         pci_memory = g_new(MemoryRegion, 1);
-        memory_region_init(pci_memory, NULL, "pci", INT64_MAX);
+        memory_region_init(pci_memory, NULL, "pci", UINT64_MAX);
         rom_memory = pci_memory;
     } else {
         pci_memory = NULL;
@@ -111,12 +152,19 @@ static void pc_q35_init(QEMUMachineInitArgs *args)
     guest_info = pc_guest_info_init(below_4g_mem_size, above_4g_mem_size);
     guest_info->has_pci_info = has_pci_info;
     guest_info->isapc_ram_fw = false;
+    guest_info->has_acpi_build = has_acpi_build;
+    guest_info->has_reserved_memory = has_reserved_memory;
+
+    if (smbios_defaults) {
+        MachineClass *mc = MACHINE_GET_CLASS(machine);
+        /* These values are guest ABI, do not change */
+        smbios_set_defaults("QEMU", "Standard PC (Q35 + ICH9, 2009)",
+                            mc->name, smbios_legacy_mode);
+    }
 
     /* allocate ram and load rom/bios */
     if (!xen_enabled()) {
-        pc_memory_init(get_system_memory(),
-                       args->kernel_filename, args->kernel_cmdline,
-                       args->initrd_filename,
+        pc_memory_init(machine, get_system_memory(),
                        below_4g_mem_size, above_4g_mem_size,
                        rom_memory, &ram_memory, guest_info);
     }
@@ -150,6 +198,15 @@ static void pc_q35_init(QEMUMachineInitArgs *args)
     lpc = pci_create_simple_multifunction(host_bus, PCI_DEVFN(ICH9_LPC_DEV,
                                           ICH9_LPC_FUNC), true,
                                           TYPE_ICH9_LPC_DEVICE);
+
+    object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
+                             TYPE_HOTPLUG_HANDLER,
+                             (Object **)&pc_machine->acpi_dev,
+                             object_property_allow_set_link,
+                             OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort);
+    object_property_set_link(OBJECT(machine), OBJECT(lpc),
+                             PC_MACHINE_ACPI_DEVICE_PROP, &error_abort);
+
     ich9_lpc = ICH9_LPC_DEVICE(lpc);
     ich9_lpc->pic = gsi;
     ich9_lpc->ioapic = gsi_state->ioapic_irq;
@@ -181,7 +238,7 @@ static void pc_q35_init(QEMUMachineInitArgs *args)
     pc_register_ferr_irq(gsi[13]);
 
     /* init basic PC hardware */
-    pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, false);
+    pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, false, 0xff0104);
 
     /* connect pm stuff to lpc */
     ich9_lpc_pm_init(lpc);
@@ -205,7 +262,7 @@ static void pc_q35_init(QEMUMachineInitArgs *args)
                                     0xb100),
                       8, NULL, 0);
 
-    pc_cmos_init(below_4g_mem_size, above_4g_mem_size, args->boot_order,
+    pc_cmos_init(below_4g_mem_size, above_4g_mem_size, machine->boot_order,
                  floppy, idebus[0], idebus[1], rtc_state);
 
     /* the rest devices to which pci devfn is automatically assigned */
@@ -214,48 +271,71 @@ static void pc_q35_init(QEMUMachineInitArgs *args)
     if (pci_enabled) {
         pc_pci_device_init(host_bus);
     }
+}
 
-    if (has_pvpanic) {
-        pvpanic_init(isa_bus);
-    }
+static void pc_compat_2_0(MachineState *machine)
+{
+    smbios_legacy_mode = true;
+    has_reserved_memory = false;
+}
+
+static void pc_compat_1_7(MachineState *machine)
+{
+    pc_compat_2_0(machine);
+    smbios_defaults = false;
+    gigabyte_align = false;
+    option_rom_has_mr = true;
+    x86_cpu_compat_disable_kvm_features(FEAT_1_ECX, CPUID_EXT_X2APIC);
 }
 
-static void pc_compat_1_6(QEMUMachineInitArgs *args)
+static void pc_compat_1_6(MachineState *machine)
 {
+    pc_compat_1_7(machine);
     has_pci_info = false;
-    rom_file_in_ram = false;
+    rom_file_has_mr = false;
+    has_acpi_build = false;
 }
 
-static void pc_compat_1_5(QEMUMachineInitArgs *args)
+static void pc_compat_1_5(MachineState *machine)
 {
-    pc_compat_1_6(args);
-    has_pvpanic = true;
+    pc_compat_1_6(machine);
 }
 
-static void pc_compat_1_4(QEMUMachineInitArgs *args)
+static void pc_compat_1_4(MachineState *machine)
 {
-    pc_compat_1_5(args);
-    has_pvpanic = false;
+    pc_compat_1_5(machine);
     x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
     x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, 0, CPUID_EXT_PCLMULQDQ);
 }
 
-static void pc_q35_init_1_6(QEMUMachineInitArgs *args)
+static void pc_q35_init_2_0(MachineState *machine)
 {
-    pc_compat_1_6(args);
-    pc_q35_init(args);
+    pc_compat_2_0(machine);
+    pc_q35_init(machine);
 }
 
-static void pc_q35_init_1_5(QEMUMachineInitArgs *args)
+static void pc_q35_init_1_7(MachineState *machine)
 {
-    pc_compat_1_5(args);
-    pc_q35_init(args);
+    pc_compat_1_7(machine);
+    pc_q35_init(machine);
 }
 
-static void pc_q35_init_1_4(QEMUMachineInitArgs *args)
+static void pc_q35_init_1_6(MachineState *machine)
 {
-    pc_compat_1_4(args);
-    pc_q35_init(args);
+    pc_compat_1_6(machine);
+    pc_q35_init(machine);
+}
+
+static void pc_q35_init_1_5(MachineState *machine)
+{
+    pc_compat_1_5(machine);
+    pc_q35_init(machine);
+}
+
+static void pc_q35_init_1_4(MachineState *machine)
+{
+    pc_compat_1_4(machine);
+    pc_q35_init(machine);
 }
 
 #define PC_Q35_MACHINE_OPTIONS \
@@ -263,13 +343,39 @@ static void pc_q35_init_1_4(QEMUMachineInitArgs *args)
     .desc = "Standard PC (Q35 + ICH9, 2009)", \
     .hot_add_cpu = pc_hot_add_cpu
 
+#define PC_Q35_2_1_MACHINE_OPTIONS                      \
+    PC_Q35_MACHINE_OPTIONS,                             \
+    .default_machine_opts = "firmware=bios-256k.bin"
+
+static QEMUMachine pc_q35_machine_v2_1 = {
+    PC_Q35_2_1_MACHINE_OPTIONS,
+    .name = "pc-q35-2.1",
+    .alias = "q35",
+    .init = pc_q35_init,
+};
+
+#define PC_Q35_2_0_MACHINE_OPTIONS PC_Q35_2_1_MACHINE_OPTIONS
+
+static QEMUMachine pc_q35_machine_v2_0 = {
+    PC_Q35_2_0_MACHINE_OPTIONS,
+    .name = "pc-q35-2.0",
+    .init = pc_q35_init_2_0,
+    .compat_props = (GlobalProperty[]) {
+        PC_COMPAT_2_0,
+        { /* end of list */ }
+    },
+};
+
 #define PC_Q35_1_7_MACHINE_OPTIONS PC_Q35_MACHINE_OPTIONS
 
 static QEMUMachine pc_q35_machine_v1_7 = {
     PC_Q35_1_7_MACHINE_OPTIONS,
     .name = "pc-q35-1.7",
-    .alias = "q35",
-    .init = pc_q35_init,
+    .init = pc_q35_init_1_7,
+    .compat_props = (GlobalProperty[]) {
+        PC_COMPAT_1_7,
+        { /* end of list */ }
+    },
 };
 
 #define PC_Q35_1_6_MACHINE_OPTIONS PC_Q35_MACHINE_OPTIONS
@@ -310,10 +416,12 @@ static QEMUMachine pc_q35_machine_v1_4 = {
 
 static void pc_q35_machine_init(void)
 {
-    qemu_register_machine(&pc_q35_machine_v1_7);
-    qemu_register_machine(&pc_q35_machine_v1_6);
-    qemu_register_machine(&pc_q35_machine_v1_5);
-    qemu_register_machine(&pc_q35_machine_v1_4);
+    qemu_register_pc_machine(&pc_q35_machine_v2_1);
+    qemu_register_pc_machine(&pc_q35_machine_v2_0);
+    qemu_register_pc_machine(&pc_q35_machine_v1_7);
+    qemu_register_pc_machine(&pc_q35_machine_v1_6);
+    qemu_register_pc_machine(&pc_q35_machine_v1_5);
+    qemu_register_pc_machine(&pc_q35_machine_v1_4);
 }
 
 machine_init(pc_q35_machine_init);