QEMU supports various image formats, but we only provide security
support for raw, qcow, qcow2, and vhd formats.
Rather than duplicate this information under the "x86/Emulated
storage" section, just refer to the "Blkback" section.
Signed-off-by: George Dunlap <george.dun...@citrix.com>
---
This is a candidate for backport to 4.10.
Other option I explored was giving each format its own entry, like
this:
#### Image format: Raw
Status, Linux (xen-blkback): Supported
Status, QEMU (xen_disk): Supported
Status, FreeBSD (blkback): Supported, Security support external
Status, NetBSD (xbdback): Supported, security support external
Status, Blktap2: Deprecated
But that led to a lot of duplication (Everything is listed as
"supported" once under "Blkback", and once under "Image format: Raw").
CC: Ian Jackson <ian.jack...@citrix.com>
CC: Wei Liu <wei.l...@citrix.com>
CC: Andrew Cooper <andrew.coop...@citrix.com>
CC: Jan Beulich <jbeul...@suse.com>
CC: Tim Deegan <t...@xen.org>
CC: Konrad Wilk <konrad.w...@oracle.com>
CC: Stefano Stabellini <sstabell...@kernel.org>
CC: Julien Grall <julien.gr...@arm.com>
CC: Roger Pau Monne <roger....@citrix.com>
CC: Anthony Perard <anthony.per...@citrix.com>
CC: Lars Kurth <lars.ku...@citrix.com>
---
SUPPORT.md | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/SUPPORT.md b/SUPPORT.md
index 87d07129b4..ee65d45b24 100644
--- a/SUPPORT.md
+++ b/SUPPORT.md
@@ -421,12 +421,17 @@ unless otherwise noted.
### Blkback
Status, Linux (xen-blkback): Supported
- Status, QEMU (xen_disk): Supported
+ Status, QEMU (xen_disk), raw format: Supported
+ Status, QEMU (xen_disk), qcow format: Supported
+ Status, QEMU (xen_disk), qcow2 format: Supported
+ Status, QEMU (xen_disk), vhd format: Supported
Status, FreeBSD (blkback): Supported, Security support external
Status, NetBSD (xbdback): Supported, security support external
- Status, Blktap2: Deprecated
+ Status, Blktap2, raw format: Deprecated
+ Status, Blktap2, vhd format: Deprecated
-Host-side implementations of the Xen PV block protocol
+Host-side implementations of the Xen PV block protocol.
+Backends only support raw format unless otherwise specified.
### Netback
@@ -634,6 +639,8 @@ Note that other devices are available but not security
supported.
Status, piix3 ide: Supported
Status, ahci: Supported
+
+See the section **Blkback** for image formats supported by QEMU.
### x86/Emulated graphics (QEMU):
--
2.16.2
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