bff807c26a
- fate#311487: remove modprobe.conf files for autoloading of pv-on-hvm files. Rely on core kernel to skip initialization of emulated hardware Handle xen_emul_unplug= from xenlinux based core kernel-default OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=291
71 lines
2.5 KiB
Diff
71 lines
2.5 KiB
Diff
---
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tools/qemu-xen-traditional-dir-remote/hw/xen_platform.c | 46 ++++++++++++++++
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1 file changed, 46 insertions(+)
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Index: xen-4.4.0-testing/tools/qemu-xen-traditional-dir-remote/hw/xen_platform.c
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===================================================================
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--- xen-4.4.0-testing.orig/tools/qemu-xen-traditional-dir-remote/hw/xen_platform.c
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+++ xen-4.4.0-testing/tools/qemu-xen-traditional-dir-remote/hw/xen_platform.c
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@@ -30,6 +30,8 @@
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#include "qemu-xen.h"
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#include "net.h"
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#include "xen_platform.h"
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+#include "sysemu.h"
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+#include <xc_private.h>
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#include <assert.h>
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#include <xenguest.h>
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@@ -335,8 +337,52 @@ static void xen_platform_ioport_writeb(v
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}
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}
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+static uint32_t ioport_base;
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+
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+static void suse_platform_ioport_write(void *opaque, uint32_t addr, uint32_t val)
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+{
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+ DECLARE_DOMCTL;
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+ int rc;
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+
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+ if (val == 0)
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+ qemu_invalidate_map_cache();
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+
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+ switch (addr - ioport_base) {
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+ case 0:
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+ /* FIXME Unknown who makes use of this code! */
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+ fprintf(logfile, "Init hypercall page %x, addr %x.\n", val, addr);
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+ domctl.domain = (domid_t)domid;
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+ domctl.u.hypercall_init.gmfn = val;
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+ domctl.cmd = XEN_DOMCTL_hypercall_init;
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+ rc = xc_domctl(xc_handle, &domctl);
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+ fprintf(logfile, "result -> %d.\n", rc);
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+ break;
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+ case 4:
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+ /* xen-kmp used this since xen-3.0.4, instead the official protocol from xen-3.3+
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+ * pre vmdp 1.7 made use of 4 and 8 depending on how vmdp was configured.
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+ * If vmdp was to control both disk and LAN it would use 4.
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+ * If it controlled just disk or just LAN, it would use 8 below. */
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+ fprintf(logfile, "Disconnect IDE hard disk...\n");
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+ ide_unplug_harddisks();
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+ fprintf(logfile, "Disconnect netifs...\n");
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+ pci_unplug_netifs();
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+ fprintf(logfile, "Shutdown taps...\n");
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+ net_tap_shutdown_all();
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+ fprintf(logfile, "Done.\n");
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+ break;
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+ default:
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+ fprintf(logfile, "Write %x to bad port %x (base %x) on evtchn device.\n",
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+ val, addr, ioport_base);
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+ break;
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+ }
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+}
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+
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static void platform_ioport_map(PCIDevice *pci_dev, int region_num, uint32_t addr, uint32_t size, int type)
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{
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+ ioport_base = addr;
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+
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+ register_ioport_write(addr, 16, 4, suse_platform_ioport_write, NULL);
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+
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PCIXenPlatformState *d = (PCIXenPlatformState *)pci_dev;
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register_ioport_write(addr, size, 1, xen_platform_ioport_writeb, d);
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register_ioport_read(addr, size, 1, xen_platform_ioport_readb, d);
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