xen/bdrv_open2_flags_2.patch
Charles Arnold eeeeaf88a6 - bnc#636231 - XEN: Unable to disconnect/remove CDROM drive from VM
xend-devid-or-name.patch

- Upstream patches from Jan
  22019-x86-cpuidle-online-check.patch
  22051-x86-forced-EOI.patch
  22067-x86-irq-domain.patch
  22068-vtd-irte-RH-bit.patch
  22071-ept-get-entry-lock.patch
  22084-x86-xsave-off.patch

- bnc#638465 - hypervisor panic in memory handling
  heaplock.patch

- Update to Xen 4.0.1.  This is a bug fix release.

OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=73
2010-09-22 14:40:08 +00:00

82 lines
3.5 KiB
Diff

Index: xen-4.0.1-testing/tools/ioemu-qemu-xen/hw/xen_blktap.c
===================================================================
--- xen-4.0.1-testing.orig/tools/ioemu-qemu-xen/hw/xen_blktap.c
+++ xen-4.0.1-testing/tools/ioemu-qemu-xen/hw/xen_blktap.c
@@ -227,6 +227,7 @@ static int open_disk(struct td_state *s,
BlockDriver* drv;
char* devname;
static int devnumber = 0;
+ int flags = readonly ? BDRV_O_RDONLY : BDRV_O_RDWR;
int i;
DPRINTF("Opening %s as blktap%d\n", path, devnumber);
@@ -249,7 +250,7 @@ static int open_disk(struct td_state *s,
DPRINTF("%s driver specified\n", drv ? drv->format_name : "No");
/* Open the image */
- if (bdrv_open2(bs, path, 0, drv) != 0) {
+ if (bdrv_open2(bs, path, flags, drv) != 0) {
fprintf(stderr, "Could not open image file %s\n", path);
return -ENOMEM;
}
Index: xen-4.0.1-testing/tools/ioemu-qemu-xen/xenstore.c
===================================================================
--- xen-4.0.1-testing.orig/tools/ioemu-qemu-xen/xenstore.c
+++ xen-4.0.1-testing/tools/ioemu-qemu-xen/xenstore.c
@@ -136,7 +136,8 @@ static void insert_media(void *opaque)
else
format = &bdrv_raw;
- bdrv_open2(bs, media_filename[i], 0, format);
+ /* Temporary BDRV_O_RDWR */
+ bdrv_open2(bs, media_filename[i], BDRV_O_RDWR, format);
#ifdef CONFIG_STUBDOM
{
char *buf, *backend, *params_path, *params;
@@ -469,7 +470,8 @@ void xenstore_parse_domain_config(int hv
}
for (i = 0; i < num; i++) {
- format = NULL; /* don't know what the format is yet */
+ flags = 0;
+ format = NULL; /* don't know what the format is yet */
/* read the backend path */
xenstore_get_backend_path(&bpath, "vbd", danger_path, hvm_domid, e_danger[i]);
if (bpath == NULL)
@@ -555,6 +557,17 @@ void xenstore_parse_domain_config(int hv
format = &bdrv_raw;
}
+ /* read the mode of the device */
+ if (pasprintf(&buf, "%s/mode", bpath) == -1)
+ continue;
+ free(mode);
+ mode = xs_read(xsh, XBT_NULL, buf, &len);
+
+ if (!strcmp(mode, "r") || !strcmp(mode, "ro"))
+ flags |= BDRV_O_RDONLY;
+ if (!strcmp(mode, "w") || !strcmp(mode, "rw"))
+ flags |= BDRV_O_RDWR;
+
#if 0
/* Phantom VBDs are disabled because the use of paths
* from guest-controlled areas in xenstore is unsafe.
@@ -622,7 +635,7 @@ void xenstore_parse_domain_config(int hv
#ifdef CONFIG_STUBDOM
if (pasprintf(&danger_buf, "%s/device/vbd/%s", danger_path, e_danger[i]) == -1)
continue;
- if (bdrv_open2(bs, danger_buf, BDRV_O_CACHE_WB /* snapshot and write-back */, &bdrv_raw) == 0) {
+ if (bdrv_open2(bs, danger_buf, flags|BDRV_O_CACHE_WB /* snapshot and write-back */, &bdrv_raw) == 0) {
pstrcpy(bs->filename, sizeof(bs->filename), params);
}
#else
@@ -668,7 +681,7 @@ void xenstore_parse_domain_config(int hv
fprintf(stderr, "Using file %s in read-%s mode\n", bs->filename, is_readonly ? "only" : "write");
- if (bdrv_open2(bs, params, BDRV_O_CACHE_WB /* snapshot and write-back */, format) < 0) {
+ if (bdrv_open2(bs, params, flags|BDRV_O_CACHE_WB /* snapshot and write-back */, format) < 0) {
fprintf(stderr, "qemu: could not open vbd '%s' or hard disk image '%s' (drv '%s' format '%s')\n", buf, params, drv ? drv : "?", format ? format->format_name : "0");
} else {
char* snapshot = get_snapshot_name(atoi(e_danger[i]));