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authorPaolo Bonzini <pbonzini@redhat.com>2013-02-05 13:25:08 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2013-04-08 18:13:14 +0200
commit80b4ecc86dd5ccd779f96c8bd11feb031d327614 (patch)
tree8ee50e34fdb12139fede5ec0a53a2e61ff32635f /hw/xen_platform.c
parent53a5500244a9d38505174bac56d81a8be2979f39 (diff)
downloadfocaccia-qemu-80b4ecc86dd5ccd779f96c8bd11feb031d327614.tar.gz
focaccia-qemu-80b4ecc86dd5ccd779f96c8bd11feb031d327614.zip
hw: move more files to hw/xen/
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/xen_platform.c')
-rw-r--r--hw/xen_platform.c434
1 files changed, 0 insertions, 434 deletions
diff --git a/hw/xen_platform.c b/hw/xen_platform.c
deleted file mode 100644
index b6c6793e1e..0000000000
--- a/hw/xen_platform.c
+++ /dev/null
@@ -1,434 +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/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 {
-    PCIDevice  pci_dev;
-    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 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) {
-        qdev_free(&d->qdev);
-    }
-}
-
-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) {
-        qdev_unplug(&(d->qdev), NULL);
-    }
-}
-
-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:
-        /* 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(s->pci_dev.bus);
-        }
-        if (val & UNPLUG_ALL_NICS) {
-            DPRINTF("unplug nics\n");
-            pci_unplug_nics(s->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,
-    .impl = {
-        .min_access_size = 1,
-        .max_access_size = 4,
-    },
-    .endianness = DEVICE_LITTLE_ENDIAN,
-};
-
-static void platform_fixed_ioport_init(PCIXenPlatformState* s)
-{
-    memory_region_init_io(&s->fixed_io, &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, &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, &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(pci_dev, PCIXenPlatformState),
-        VMSTATE_UINT8(flags, PCIXenPlatformState),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static int xen_platform_initfn(PCIDevice *dev)
-{
-    PCIXenPlatformState *d = DO_UPCAST(PCIXenPlatformState, pci_dev, dev);
-    uint8_t *pci_conf;
-
-    pci_conf = d->pci_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(&d->pci_dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &d->bar);
-
-    /* reserve 16MB mmio address for share memory*/
-    platform_mmio_setup(d);
-    pci_register_bar(&d->pci_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 = DO_UPCAST(PCIXenPlatformState, pci_dev.qdev, 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;
-    dc->desc = "XEN platform pci device";
-    dc->reset = platform_reset;
-    dc->vmsd = &vmstate_xen_platform;
-}
-
-static const TypeInfo xen_platform_info = {
-    .name          = "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)