diff options
Diffstat (limited to 'hw/xen')
| -rw-r--r-- | hw/xen/Makefile.objs | 1 | ||||
| -rw-r--r-- | hw/xen/xen_apic.c | 97 | ||||
| -rw-r--r-- | hw/xen/xen_platform.c | 450 | ||||
| -rw-r--r-- | hw/xen/xen_pvdevice.c | 135 |
4 files changed, 0 insertions, 683 deletions
diff --git a/hw/xen/Makefile.objs b/hw/xen/Makefile.objs index ce640c6..a0ca0aa 100644 --- a/hw/xen/Makefile.objs +++ b/hw/xen/Makefile.objs @@ -1,6 +1,5 @@ # xen backend driver support common-obj-$(CONFIG_XEN_BACKEND) += xen_backend.o xen_devconfig.o -obj-$(CONFIG_XEN_I386) += xen_platform.o xen_apic.o xen_pvdevice.o obj-$(CONFIG_XEN_PCI_PASSTHROUGH) += xen-host-pci-device.o obj-$(CONFIG_XEN_PCI_PASSTHROUGH) += xen_pt.o xen_pt_config_init.o xen_pt_msi.o diff --git a/hw/xen/xen_apic.c b/hw/xen/xen_apic.c deleted file mode 100644 index 63bb7f7..0000000 --- a/hw/xen/xen_apic.c +++ /dev/null @@ -1,97 +0,0 @@ -/* - * Xen basic APIC support - * - * Copyright (c) 2012 Citrix - * - * Authors: - * Wei Liu <wei.liu2@citrix.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 "hw/i386/apic_internal.h" -#include "hw/pci/msi.h" -#include "hw/xen/xen.h" - -static uint64_t xen_apic_mem_read(void *opaque, hwaddr addr, - unsigned size) -{ - return ~(uint64_t)0; -} - -static void xen_apic_mem_write(void *opaque, hwaddr addr, - uint64_t data, unsigned size) -{ - if (size != sizeof(uint32_t)) { - fprintf(stderr, "Xen: APIC write data size = %d, invalid\n", size); - return; - } - - xen_hvm_inject_msi(addr, data); -} - -static const MemoryRegionOps xen_apic_io_ops = { - .read = xen_apic_mem_read, - .write = xen_apic_mem_write, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -static void xen_apic_realize(DeviceState *dev, Error **errp) -{ - APICCommonState *s = APIC_COMMON(dev); - - memory_region_init_io(&s->io_memory, OBJECT(s), &xen_apic_io_ops, s, - "xen-apic-msi", APIC_SPACE_SIZE); - -#if defined(CONFIG_XEN_CTRL_INTERFACE_VERSION) \ - && CONFIG_XEN_CTRL_INTERFACE_VERSION >= 420 - msi_supported = true; -#endif -} - -static void xen_apic_set_base(APICCommonState *s, uint64_t val) -{ -} - -static void xen_apic_set_tpr(APICCommonState *s, uint8_t val) -{ -} - -static uint8_t xen_apic_get_tpr(APICCommonState *s) -{ - return 0; -} - -static void xen_apic_vapic_base_update(APICCommonState *s) -{ -} - -static void xen_apic_external_nmi(APICCommonState *s) -{ -} - -static void xen_apic_class_init(ObjectClass *klass, void *data) -{ - APICCommonClass *k = APIC_COMMON_CLASS(klass); - - k->realize = xen_apic_realize; - k->set_base = xen_apic_set_base; - k->set_tpr = xen_apic_set_tpr; - k->get_tpr = xen_apic_get_tpr; - k->vapic_base_update = xen_apic_vapic_base_update; - k->external_nmi = xen_apic_external_nmi; -} - -static const TypeInfo xen_apic_info = { - .name = "xen-apic", - .parent = TYPE_APIC_COMMON, - .instance_size = sizeof(APICCommonState), - .class_init = xen_apic_class_init, -}; - -static void xen_apic_register_types(void) -{ - type_register_static(&xen_apic_info); -} - -type_init(xen_apic_register_types) diff --git a/hw/xen/xen_platform.c b/hw/xen/xen_platform.c deleted file mode 100644 index 1d9d0e9..0000000 --- a/hw/xen/xen_platform.c +++ /dev/null @@ -1,450 +0,0 @@ -/* - * XEN platform pci device, formerly known as the event channel device - * - * Copyright (c) 2003-2004 Intel Corp. - * Copyright (c) 2006 XenSource - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include <assert.h> - -#include "hw/hw.h" -#include "hw/i386/pc.h" -#include "hw/ide.h" -#include "hw/pci/pci.h" -#include "hw/irq.h" -#include "hw/xen/xen_common.h" -#include "hw/xen/xen_backend.h" -#include "trace.h" -#include "exec/address-spaces.h" - -#include <xenguest.h> - -//#define DEBUG_PLATFORM - -#ifdef DEBUG_PLATFORM -#define DPRINTF(fmt, ...) do { \ - fprintf(stderr, "xen_platform: " fmt, ## __VA_ARGS__); \ -} while (0) -#else -#define DPRINTF(fmt, ...) do { } while (0) -#endif - -#define PFFLAG_ROM_LOCK 1 /* Sets whether ROM memory area is RW or RO */ - -typedef struct PCIXenPlatformState { - /*< private >*/ - PCIDevice parent_obj; - /*< public >*/ - - MemoryRegion fixed_io; - MemoryRegion bar; - MemoryRegion mmio_bar; - uint8_t flags; /* used only for version_id == 2 */ - int drivers_blacklisted; - uint16_t driver_product_version; - - /* Log from guest drivers */ - char log_buffer[4096]; - int log_buffer_off; -} PCIXenPlatformState; - -#define TYPE_XEN_PLATFORM "xen-platform" -#define XEN_PLATFORM(obj) \ - OBJECT_CHECK(PCIXenPlatformState, (obj), TYPE_XEN_PLATFORM) - -#define XEN_PLATFORM_IOPORT 0x10 - -/* Send bytes to syslog */ -static void log_writeb(PCIXenPlatformState *s, char val) -{ - if (val == '\n' || s->log_buffer_off == sizeof(s->log_buffer) - 1) { - /* Flush buffer */ - s->log_buffer[s->log_buffer_off] = 0; - trace_xen_platform_log(s->log_buffer); - s->log_buffer_off = 0; - } else { - s->log_buffer[s->log_buffer_off++] = val; - } -} - -/* Xen Platform, Fixed IOPort */ -#define UNPLUG_ALL_IDE_DISKS 1 -#define UNPLUG_ALL_NICS 2 -#define UNPLUG_AUX_IDE_DISKS 4 - -static void unplug_nic(PCIBus *b, PCIDevice *d, void *o) -{ - /* We have to ignore passthrough devices */ - if (pci_get_word(d->config + PCI_CLASS_DEVICE) == - PCI_CLASS_NETWORK_ETHERNET - && strcmp(d->name, "xen-pci-passthrough") != 0) { - object_unparent(OBJECT(d)); - } -} - -static void pci_unplug_nics(PCIBus *bus) -{ - pci_for_each_device(bus, 0, unplug_nic, NULL); -} - -static void unplug_disks(PCIBus *b, PCIDevice *d, void *o) -{ - /* We have to ignore passthrough devices */ - if (pci_get_word(d->config + PCI_CLASS_DEVICE) == - PCI_CLASS_STORAGE_IDE - && strcmp(d->name, "xen-pci-passthrough") != 0) { - pci_piix3_xen_ide_unplug(DEVICE(d)); - } -} - -static void pci_unplug_disks(PCIBus *bus) -{ - pci_for_each_device(bus, 0, unplug_disks, NULL); -} - -static void platform_fixed_ioport_writew(void *opaque, uint32_t addr, uint32_t val) -{ - PCIXenPlatformState *s = opaque; - - switch (addr) { - case 0: { - PCIDevice *pci_dev = PCI_DEVICE(s); - /* Unplug devices. Value is a bitmask of which devices to - unplug, with bit 0 the IDE devices, bit 1 the network - devices, and bit 2 the non-primary-master IDE devices. */ - if (val & UNPLUG_ALL_IDE_DISKS) { - DPRINTF("unplug disks\n"); - bdrv_drain_all(); - bdrv_flush_all(); - pci_unplug_disks(pci_dev->bus); - } - if (val & UNPLUG_ALL_NICS) { - DPRINTF("unplug nics\n"); - pci_unplug_nics(pci_dev->bus); - } - if (val & UNPLUG_AUX_IDE_DISKS) { - DPRINTF("unplug auxiliary disks not supported\n"); - } - break; - } - case 2: - switch (val) { - case 1: - DPRINTF("Citrix Windows PV drivers loaded in guest\n"); - break; - case 0: - DPRINTF("Guest claimed to be running PV product 0?\n"); - break; - default: - DPRINTF("Unknown PV product %d loaded in guest\n", val); - break; - } - s->driver_product_version = val; - break; - } -} - -static void platform_fixed_ioport_writel(void *opaque, uint32_t addr, - uint32_t val) -{ - switch (addr) { - case 0: - /* PV driver version */ - break; - } -} - -static void platform_fixed_ioport_writeb(void *opaque, uint32_t addr, uint32_t val) -{ - PCIXenPlatformState *s = opaque; - - switch (addr) { - case 0: /* Platform flags */ { - hvmmem_type_t mem_type = (val & PFFLAG_ROM_LOCK) ? - HVMMEM_ram_ro : HVMMEM_ram_rw; - if (xc_hvm_set_mem_type(xen_xc, xen_domid, mem_type, 0xc0, 0x40)) { - DPRINTF("unable to change ro/rw state of ROM memory area!\n"); - } else { - s->flags = val & PFFLAG_ROM_LOCK; - DPRINTF("changed ro/rw state of ROM memory area. now is %s state.\n", - (mem_type == HVMMEM_ram_ro ? "ro":"rw")); - } - break; - } - case 2: - log_writeb(s, val); - break; - } -} - -static uint32_t platform_fixed_ioport_readw(void *opaque, uint32_t addr) -{ - PCIXenPlatformState *s = opaque; - - switch (addr) { - case 0: - if (s->drivers_blacklisted) { - /* The drivers will recognise this magic number and refuse - * to do anything. */ - return 0xd249; - } else { - /* Magic value so that you can identify the interface. */ - return 0x49d2; - } - default: - return 0xffff; - } -} - -static uint32_t platform_fixed_ioport_readb(void *opaque, uint32_t addr) -{ - PCIXenPlatformState *s = opaque; - - switch (addr) { - case 0: - /* Platform flags */ - return s->flags; - case 2: - /* Version number */ - return 1; - default: - return 0xff; - } -} - -static void platform_fixed_ioport_reset(void *opaque) -{ - PCIXenPlatformState *s = opaque; - - platform_fixed_ioport_writeb(s, 0, 0); -} - -static uint64_t platform_fixed_ioport_read(void *opaque, - hwaddr addr, - unsigned size) -{ - switch (size) { - case 1: - return platform_fixed_ioport_readb(opaque, addr); - case 2: - return platform_fixed_ioport_readw(opaque, addr); - default: - return -1; - } -} - -static void platform_fixed_ioport_write(void *opaque, hwaddr addr, - - uint64_t val, unsigned size) -{ - switch (size) { - case 1: - platform_fixed_ioport_writeb(opaque, addr, val); - break; - case 2: - platform_fixed_ioport_writew(opaque, addr, val); - break; - case 4: - platform_fixed_ioport_writel(opaque, addr, val); - break; - } -} - - -static const MemoryRegionOps platform_fixed_io_ops = { - .read = platform_fixed_ioport_read, - .write = platform_fixed_ioport_write, - .valid = { - .unaligned = true, - }, - .impl = { - .min_access_size = 1, - .max_access_size = 4, - .unaligned = true, - }, - .endianness = DEVICE_LITTLE_ENDIAN, -}; - -static void platform_fixed_ioport_init(PCIXenPlatformState* s) -{ - memory_region_init_io(&s->fixed_io, OBJECT(s), &platform_fixed_io_ops, s, - "xen-fixed", 16); - memory_region_add_subregion(get_system_io(), XEN_PLATFORM_IOPORT, - &s->fixed_io); -} - -/* Xen Platform PCI Device */ - -static uint64_t xen_platform_ioport_readb(void *opaque, hwaddr addr, - unsigned int size) -{ - if (addr == 0) { - return platform_fixed_ioport_readb(opaque, 0); - } else { - return ~0u; - } -} - -static void xen_platform_ioport_writeb(void *opaque, hwaddr addr, - uint64_t val, unsigned int size) -{ - PCIXenPlatformState *s = opaque; - - switch (addr) { - case 0: /* Platform flags */ - platform_fixed_ioport_writeb(opaque, 0, (uint32_t)val); - break; - case 8: - log_writeb(s, (uint32_t)val); - break; - default: - break; - } -} - -static const MemoryRegionOps xen_pci_io_ops = { - .read = xen_platform_ioport_readb, - .write = xen_platform_ioport_writeb, - .impl.min_access_size = 1, - .impl.max_access_size = 1, -}; - -static void platform_ioport_bar_setup(PCIXenPlatformState *d) -{ - memory_region_init_io(&d->bar, OBJECT(d), &xen_pci_io_ops, d, - "xen-pci", 0x100); -} - -static uint64_t platform_mmio_read(void *opaque, hwaddr addr, - unsigned size) -{ - DPRINTF("Warning: attempted read from physical address " - "0x" TARGET_FMT_plx " in xen platform mmio space\n", addr); - - return 0; -} - -static void platform_mmio_write(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - DPRINTF("Warning: attempted write of 0x%"PRIx64" to physical " - "address 0x" TARGET_FMT_plx " in xen platform mmio space\n", - val, addr); -} - -static const MemoryRegionOps platform_mmio_handler = { - .read = &platform_mmio_read, - .write = &platform_mmio_write, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -static void platform_mmio_setup(PCIXenPlatformState *d) -{ - memory_region_init_io(&d->mmio_bar, OBJECT(d), &platform_mmio_handler, d, - "xen-mmio", 0x1000000); -} - -static int xen_platform_post_load(void *opaque, int version_id) -{ - PCIXenPlatformState *s = opaque; - - platform_fixed_ioport_writeb(s, 0, s->flags); - - return 0; -} - -static const VMStateDescription vmstate_xen_platform = { - .name = "platform", - .version_id = 4, - .minimum_version_id = 4, - .minimum_version_id_old = 4, - .post_load = xen_platform_post_load, - .fields = (VMStateField []) { - VMSTATE_PCI_DEVICE(parent_obj, PCIXenPlatformState), - VMSTATE_UINT8(flags, PCIXenPlatformState), - VMSTATE_END_OF_LIST() - } -}; - -static int xen_platform_initfn(PCIDevice *dev) -{ - PCIXenPlatformState *d = XEN_PLATFORM(dev); - uint8_t *pci_conf; - - pci_conf = dev->config; - - pci_set_word(pci_conf + PCI_COMMAND, PCI_COMMAND_IO | PCI_COMMAND_MEMORY); - - pci_config_set_prog_interface(pci_conf, 0); - - pci_conf[PCI_INTERRUPT_PIN] = 1; - - platform_ioport_bar_setup(d); - pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &d->bar); - - /* reserve 16MB mmio address for share memory*/ - platform_mmio_setup(d); - pci_register_bar(dev, 1, PCI_BASE_ADDRESS_MEM_PREFETCH, - &d->mmio_bar); - - platform_fixed_ioport_init(d); - - return 0; -} - -static void platform_reset(DeviceState *dev) -{ - PCIXenPlatformState *s = XEN_PLATFORM(dev); - - platform_fixed_ioport_reset(s); -} - -static void xen_platform_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); - - k->init = xen_platform_initfn; - k->vendor_id = PCI_VENDOR_ID_XEN; - k->device_id = PCI_DEVICE_ID_XEN_PLATFORM; - k->class_id = PCI_CLASS_OTHERS << 8 | 0x80; - k->subsystem_vendor_id = PCI_VENDOR_ID_XEN; - k->subsystem_id = PCI_DEVICE_ID_XEN_PLATFORM; - k->revision = 1; - set_bit(DEVICE_CATEGORY_MISC, dc->categories); - dc->desc = "XEN platform pci device"; - dc->reset = platform_reset; - dc->vmsd = &vmstate_xen_platform; -} - -static const TypeInfo xen_platform_info = { - .name = TYPE_XEN_PLATFORM, - .parent = TYPE_PCI_DEVICE, - .instance_size = sizeof(PCIXenPlatformState), - .class_init = xen_platform_class_init, -}; - -static void xen_platform_register_types(void) -{ - type_register_static(&xen_platform_info); -} - -type_init(xen_platform_register_types) diff --git a/hw/xen/xen_pvdevice.c b/hw/xen/xen_pvdevice.c deleted file mode 100644 index c218947..0000000 --- a/hw/xen/xen_pvdevice.c +++ /dev/null @@ -1,135 +0,0 @@ -/* Copyright (c) Citrix Systems Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, - * with or without modification, are permitted provided - * that the following conditions are met: - * - * * Redistributions of source code must retain the above - * copyright notice, this list of conditions and the - * following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the - * following disclaimer in the documentation and/or other - * materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND - * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, - * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include "hw/hw.h" -#include "hw/pci/pci.h" -#include "trace.h" - -#define TYPE_XEN_PV_DEVICE "xen-pvdevice" - -#define XEN_PV_DEVICE(obj) \ - OBJECT_CHECK(XenPVDevice, (obj), TYPE_XEN_PV_DEVICE) - -typedef struct XenPVDevice { - /*< private >*/ - PCIDevice parent_obj; - /*< public >*/ - uint16_t vendor_id; - uint16_t device_id; - uint8_t revision; - uint32_t size; - MemoryRegion mmio; -} XenPVDevice; - -static uint64_t xen_pv_mmio_read(void *opaque, hwaddr addr, - unsigned size) -{ - trace_xen_pv_mmio_read(addr); - - return ~(uint64_t)0; -} - -static void xen_pv_mmio_write(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - trace_xen_pv_mmio_write(addr); -} - -static const MemoryRegionOps xen_pv_mmio_ops = { - .read = &xen_pv_mmio_read, - .write = &xen_pv_mmio_write, - .endianness = DEVICE_LITTLE_ENDIAN, -}; - -static int xen_pv_init(PCIDevice *pci_dev) -{ - XenPVDevice *d = XEN_PV_DEVICE(pci_dev); - uint8_t *pci_conf; - - /* device-id property must always be supplied */ - if (d->device_id == 0xffff) - return -1; - - pci_conf = pci_dev->config; - - pci_set_word(pci_conf + PCI_VENDOR_ID, d->vendor_id); - pci_set_word(pci_conf + PCI_SUBSYSTEM_VENDOR_ID, d->vendor_id); - pci_set_word(pci_conf + PCI_DEVICE_ID, d->device_id); - pci_set_word(pci_conf + PCI_SUBSYSTEM_ID, d->device_id); - pci_set_byte(pci_conf + PCI_REVISION_ID, d->revision); - - pci_set_word(pci_conf + PCI_COMMAND, PCI_COMMAND_MEMORY); - - pci_config_set_prog_interface(pci_conf, 0); - - pci_conf[PCI_INTERRUPT_PIN] = 1; - - memory_region_init_io(&d->mmio, NULL, &xen_pv_mmio_ops, d, - "mmio", d->size); - - pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_MEM_PREFETCH, - &d->mmio); - - return 0; -} - -static Property xen_pv_props[] = { - DEFINE_PROP_UINT16("vendor-id", XenPVDevice, vendor_id, PCI_VENDOR_ID_XEN), - DEFINE_PROP_UINT16("device-id", XenPVDevice, device_id, 0xffff), - DEFINE_PROP_UINT8("revision", XenPVDevice, revision, 0x01), - DEFINE_PROP_UINT32("size", XenPVDevice, size, 0x400000), - DEFINE_PROP_END_OF_LIST() -}; - -static void xen_pv_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); - - k->init = xen_pv_init; - k->class_id = PCI_CLASS_SYSTEM_OTHER; - dc->desc = "Xen PV Device"; - dc->props = xen_pv_props; -} - -static const TypeInfo xen_pv_type_info = { - .name = TYPE_XEN_PV_DEVICE, - .parent = TYPE_PCI_DEVICE, - .instance_size = sizeof(XenPVDevice), - .class_init = xen_pv_class_init, -}; - -static void xen_pv_register_types(void) -{ - type_register_static(&xen_pv_type_info); -} - -type_init(xen_pv_register_types) |
