xen/ioemu-disable-scsi.patch

81 lines
3.2 KiB
Diff

Index: xen-4.0.0-testing/tools/ioemu-remote/hw/xen_platform.c
===================================================================
--- xen-4.0.0-testing.orig/tools/ioemu-remote/hw/xen_platform.c 2010-02-18 14:08:08.000000000 -0700
+++ xen-4.0.0-testing/tools/ioemu-remote/hw/xen_platform.c 2010-02-18 14:28:59.000000000 -0700
@@ -359,6 +359,8 @@ static void platform_ioport_write(void *
case 4:
fprintf(logfile, "Disconnect IDE hard disk...\n");
ide_unplug_harddisks();
+ fprintf(logfile, "Disconnect SCSI hard disk...\n");
+ pci_unplug_scsi();
fprintf(logfile, "Disconnect netifs...\n");
pci_unplug_netifs();
fprintf(logfile, "Shutdown taps...\n");
Index: xen-4.0.0-testing/tools/ioemu-remote/qemu-xen.h
===================================================================
--- xen-4.0.0-testing.orig/tools/ioemu-remote/qemu-xen.h 2010-02-18 14:08:08.000000000 -0700
+++ xen-4.0.0-testing/tools/ioemu-remote/qemu-xen.h 2010-02-18 14:44:28.000000000 -0700
@@ -57,6 +57,7 @@ void unset_vram_mapping(void *opaque);
#endif
void pci_unplug_netifs(void);
+void pci_unplug_scsi(void);
void destroy_hvm_domain(void);
void unregister_iomem(target_phys_addr_t start);
Index: xen-4.0.0-testing/tools/ioemu-remote/hw/pci.c
===================================================================
--- xen-4.0.0-testing.orig/tools/ioemu-remote/hw/pci.c 2010-02-18 14:49:36.000000000 -0700
+++ xen-4.0.0-testing/tools/ioemu-remote/hw/pci.c 2010-02-18 14:53:47.000000000 -0700
@@ -892,6 +892,50 @@ void pci_unplug_netifs(void)
}
}
+void pci_unplug_scsi(void)
+{
+ PCIBus *bus;
+ PCIDevice *dev;
+ PCIIORegion *region;
+ int x;
+ int i;
+
+ /* We only support one PCI bus */
+ for (bus = first_bus; bus; bus = NULL) {
+ for (x = 0; x < 256; x++) {
+ dev = bus->devices[x];
+ if (dev &&
+ dev->config[0xa] == 0 &&
+ dev->config[0xb] == 1
+#ifdef CONFIG_PASSTHROUGH
+ && test_pci_devfn(x) != 1
+#endif
+ ) {
+ /* Found a scsi disk. Remove it from the bus. Note that
+ we don't free it here, since there could still be
+ references to it floating around. There are only
+ ever one or two structures leaked, and it's not
+ worth finding them all. */
+ bus->devices[x] = NULL;
+ for (i = 0; i < PCI_NUM_REGIONS; i++) {
+ region = &dev->io_regions[i];
+ if (region->addr == (uint32_t)-1 ||
+ region->size == 0)
+ continue;
+ fprintf(logfile, "region type %d at [%x,%x).\n",
+ region->type, region->addr,
+ region->addr+region->size);
+ if (region->type == PCI_ADDRESS_SPACE_IO) {
+ isa_unassign_ioport(region->addr, region->size);
+ } else if (region->type == PCI_ADDRESS_SPACE_MEM) {
+ unregister_iomem(region->addr);
+ }
+ }
+ }
+ }
+ }
+}
+
typedef struct {
PCIDevice dev;
PCIBus *bus;