92ed83b0e8
the toolstack instead of embedding in hvmloader http://lists.xenproject.org/archives/html/xen-devel/2016-03/msg01626.html 0001-libxc-Rework-extra-module-initialisation.patch, 0002-libxc-Prepare-a-start-info-structure-for-hvmloader.patch, 0003-configure-define-SEABIOS_PATH-and-OVMF_PATH.patch, 0004-firmware-makefile-install-BIOS-blob.patch, 0005-libxl-Load-guest-BIOS-from-file.patch, 0006-xen-Move-the-hvm_start_info-C-representation-from-li.patch, 0007-hvmloader-Grab-the-hvm_start_info-pointer.patch, 0008-hvmloader-Locate-the-BIOS-blob.patch, 0009-hvmloader-Check-modules-whereabouts-in-perform_tests.patch, 0010-hvmloader-Load-SeaBIOS-from-hvm_start_info-modules.patch, 0011-hvmloader-Load-OVMF-from-modules.patch, 0012-hvmloader-Specific-bios_load-function-required.patch, 0013-hvmloader-Always-build-in-SeaBIOS-and-OVMF-loader.patch, 0014-configure-do-not-depend-on-SEABIOS_PATH-or-OVMF_PATH.patch - Enable support for UEFI on x86_64 using the ovmf-x86_64-ms.bin firmware from qemu-ovmf-x86_64. The firmware is preloaded with Microsoft keys to more closely resemble firmware on real hardware FATE#320490 OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=416
84 lines
3.8 KiB
Diff
84 lines
3.8 KiB
Diff
https://bugzilla.novell.com/show_bug.cgi?id=879425
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---
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tools/libxl/libxl.c | 2 ++
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tools/libxl/libxl.h | 12 ++++++++++++
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tools/libxl/libxlu_disk.c | 2 ++
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tools/libxl/libxlu_disk_i.h | 2 +-
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tools/libxl/libxlu_disk_l.l | 1 +
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5 files changed, 18 insertions(+), 1 deletion(-)
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Index: xen-4.7.0-testing/tools/libxl/libxl.c
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===================================================================
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--- xen-4.7.0-testing.orig/tools/libxl/libxl.c
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+++ xen-4.7.0-testing/tools/libxl/libxl.c
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@@ -2826,6 +2826,8 @@ static void device_disk_add(libxl__egc *
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flexarray_append_pair(back, "discard-enable",
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libxl_defbool_val(disk->discard_enable) ?
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"1" : "0");
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+ if ((disk->readwrite & ~LIBXL_HAVE_LIBXL_DEVICE_DISK_DISABLE_FLUSH_MASK) == LIBXL_HAVE_LIBXL_DEVICE_DISK_DISABLE_FLUSH_MAGIC)
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+ flexarray_append_pair(back, "suse-diskcache-disable-flush", "1");
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flexarray_append(front, "backend-id");
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flexarray_append(front, GCSPRINTF("%d", disk->backend_domid));
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Index: xen-4.7.0-testing/tools/libxl/libxl.h
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===================================================================
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--- xen-4.7.0-testing.orig/tools/libxl/libxl.h
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+++ xen-4.7.0-testing/tools/libxl/libxl.h
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@@ -247,6 +247,18 @@
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#define LIBXL_HAVE_APIC_ASSIST 1
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/*
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+ * The libxl_device_disk has no way to indicate that cache=unsafe is
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+ * supposed to be used. Provide this knob without breaking the ABI.
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+ * This is done by overloading struct libxl_device_disk->readwrite:
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+ * readwrite == 0: disk is readonly, no discard
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+ * readwrite == 1: disk is readwrite, backend driver may enable discard
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+ * readwrite == MAGIC: disk is readwrite, backend driver should ignore
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+ * flush requests from the frontend driver.
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+ */
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+#define LIBXL_HAVE_LIBXL_DEVICE_DISK_DISABLE_FLUSH_MAGIC 0x00006000U
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+#define LIBXL_HAVE_LIBXL_DEVICE_DISK_DISABLE_FLUSH_MASK 0xffff0fffU
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+
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+/*
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* libxl ABI compatibility
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*
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* The only guarantee which libxl makes regarding ABI compatibility
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Index: xen-4.7.0-testing/tools/libxl/libxlu_disk.c
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===================================================================
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--- xen-4.7.0-testing.orig/tools/libxl/libxlu_disk.c
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+++ xen-4.7.0-testing/tools/libxl/libxlu_disk.c
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@@ -79,6 +79,8 @@ int xlu_disk_parse(XLU_Config *cfg,
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if (!disk->pdev_path || !strcmp(disk->pdev_path, ""))
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disk->format = LIBXL_DISK_FORMAT_EMPTY;
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}
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+ if (disk->readwrite && dpc.suse_diskcache_disable_flush)
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+ disk->readwrite = (disk->readwrite & LIBXL_HAVE_LIBXL_DEVICE_DISK_DISABLE_FLUSH_MASK) | LIBXL_HAVE_LIBXL_DEVICE_DISK_DISABLE_FLUSH_MAGIC;
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if (!disk->vdev) {
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xlu__disk_err(&dpc,0, "no vdev specified");
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Index: xen-4.7.0-testing/tools/libxl/libxlu_disk_i.h
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===================================================================
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--- xen-4.7.0-testing.orig/tools/libxl/libxlu_disk_i.h
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+++ xen-4.7.0-testing/tools/libxl/libxlu_disk_i.h
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@@ -10,7 +10,7 @@ typedef struct {
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void *scanner;
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YY_BUFFER_STATE buf;
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libxl_device_disk *disk;
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- int access_set, had_depr_prefix;
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+ int access_set, suse_diskcache_disable_flush, had_depr_prefix;
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const char *spec;
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} DiskParseContext;
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Index: xen-4.7.0-testing/tools/libxl/libxlu_disk_l.l
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===================================================================
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--- xen-4.7.0-testing.orig/tools/libxl/libxlu_disk_l.l
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+++ xen-4.7.0-testing/tools/libxl/libxlu_disk_l.l
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@@ -195,6 +195,7 @@ colo-port=[^,]*,? { STRIP(','); setcolop
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colo-export=[^,]*,? { STRIP(','); SAVESTRING("colo-export", colo_export, FROMEQUALS); }
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active-disk=[^,]*,? { STRIP(','); SAVESTRING("active-disk", active_disk, FROMEQUALS); }
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hidden-disk=[^,]*,? { STRIP(','); SAVESTRING("hidden-disk", hidden_disk, FROMEQUALS); }
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+suse-diskcache-disable-flush,? { DPC->suse_diskcache_disable_flush = 1; }
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/* the target magic parameter, eats the rest of the string */
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