not be represented.
>
> Reported-by: Peter Maydell
> Cc: Sam Li
> Signed-off-by: Stefan Hajnoczi
> ---
> qemu-io-cmds.c | 48 +++-
> 1 file changed, 47 insertions(+), 1 deletion(-)
Reviewed-by: Sam Li
Hi Stefan,
Thank you for fixing th
Markus Armbruster 于2024年2月19日周一 21:42写道：
>
> Sam Li writes:
>
> > Markus Armbruster 于2024年2月19日周一 16:56写道：
> >>
> >> Sam Li writes:
> >>
> >> > Markus Armbruster 于2024年2月19日周一 15:40写道：
> >> >>
> >>
Markus Armbruster 于2024年2月19日周一 16:56写道：
>
> Sam Li writes:
>
> > Markus Armbruster 于2024年2月19日周一 15:40写道：
> >>
> >> Sam Li writes:
> >>
> >> > Markus Armbruster 于2024年2月19日周一 13:05写道：
> >> >>
> >> >> One mo
Markus Armbruster 于2024年2月19日周一 15:40写道：
>
> Sam Li writes:
>
> > Markus Armbruster 于2024年2月19日周一 13:05写道：
> >>
> >> One more thing...
> >>
> >> Markus Armbruster writes:
> >>
> >> > I apologize for the delayed review.
>
Markus Armbruster 于2024年2月19日周一 13:05写道：
>
> One more thing...
>
> Markus Armbruster writes:
>
> > I apologize for the delayed review.
No problems. Thanks for reviewing!
> >
> > Sam Li writes:
> >
> >> To configure the zoned format featur
zone state transition and manage zone resources.
Signed-off-by: Sam Li
---
block/qcow2.c|3 +
hw/nvme/ctrl.c | 1115 +++---
hw/nvme/ns.c | 77 +--
hw/nvme/nvme.h | 85 +--
include/block
The zone information is contained in the BlockLimits fileds. Add blk_get_*()
functions
to access the block layer and update zone info accessing in the NVMe device
emulation.
Signed-off-by: Sam Li
---
block/block-backend.c | 72 +++
hw/nvme/ctrl.c
Zone descriptor extension data is host definied data that is
associated with each zone. Add zone descriptor extensions
to zonedmeta struct.
Signed-off-by: Sam Li
---
block/qcow2.c| 70 +---
block/qcow2.h| 2 +
include/block
attributes at the following eight bit of zone type bit of write
pointers for each zone. The ZDED is stored as part of zoned metadata as
write pointers.
Signed-off-by: Sam Li
---
block/qcow2.c| 45
hw/nvme/ctrl.c | 1 +
include/block
ies [Markus]
- address review comments [Markus]
v1->v2:
- split [v1 2/5] patch to three (doc, config, block layer API)
- adapt qcow2 v6
Sam Li (7):
docs/qcow2: add zd_extension_size option to the zoned format feature
qcow2: add zd_extension configurations to zoned metadata
hw/nvme: use bl
Signed-off-by: Sam Li
---
block/qcow2.c| 2 +-
hw/nvme/ctrl.c | 190 ---
include/sysemu/dma.h | 3 +
system/dma-helpers.c | 17
4 files changed, 162 insertions(+), 50 deletions(-)
diff --git a/block/qcow2.c b/block/qcow2.c
index
The NVMe ZNS command set has the zone descriptor extension feature for
associating the data to a zone. Devices that supports ZAC/ZBC have zero
zone descriptor extension size.
Signed-off-by: Sam Li
---
docs/interop/qcow2.txt | 9 +
1 file changed, 9 insertions(+)
diff --git a/docs
Signed-off-by: Sam Li
---
block/block-backend.c | 16
hw/nvme/ctrl.c| 20 ++--
hw/nvme/ns.c | 24
hw/nvme/nvme.h| 7 ---
include/sysemu/block-backend-io.h | 2
feature, use command like
this:
qemu-img create -f qcow2 zbc.qcow2 -o size=768M \
-o zone.size=64M -o zone.capacity=64M -o zone.conventional_zones=0 \
-o zone.max_append_bytes=4096 -o zone.max_open_zones=6 \
-o zone.max_active_zones=8 -o zone.mode=host-managed
Signed-off-by: Sam Li
---
block/qcow2.c
The zoned format feature can be tested by:
$ tests/qemu-iotests/check -qcow2 zoned-qcow2
Signed-off-by: Sam Li
Reviewed-by: Stefan Hajnoczi
---
tests/qemu-iotests/tests/zoned-qcow2 | 147 +++
tests/qemu-iotests/tests/zoned-qcow2.out | 172 +++
2 files
corresponding state
changing.
Zoned devices have a limit on zone resources, which puts constraints on
write operations into zones. It is managed by active zone lists
following LRU policy.
Signed-off-by: Sam Li
---
block/qcow2.c| 791 ++-
block
Add the specs for the zoned format feature of the qcow2 driver.
The qcow2 file then can emulate real zoned devices, either passed
through by virtio-blk device or NVMe ZNS drive to the guest
given zoned information.
Signed-off-by: Sam Li
Reviewed-by: Stefan Hajnoczi
---
docs/system/qemu-block
w2 zoned extension header
- address review comments (Stefan):
* fix zoned_mata allocation size
* use bitwise or than addition
* fix wp index overflow and locking
* cleanups: comments, naming
Sam Li (4):
docs/qcow2: add the zoned format feature
qcow2: add configurations for zoned format
Klaus Jensen 于2024年1月10日周三 07:52写道：
>
> Hi Sam,
>
> This is awesome. For the hw/nvme parts,
>
> Acked-by: Klaus Jensen
>
> I'll give it a proper R-b when you drop the RFC status.
Hi Klaus,
Sorry for the late response. I will submit a new RFC patch series very
soon.
Now the zone states should
Markus Armbruster 于2023年11月30日周四 09:25写道：
>
> Clang reports
>
> ../block/qcow2.c:4066:5: error: mutex 'graph_lock' is not held on every path
> through here [-Werror,-Wthread-safety-analysis]
> blk_co_unref(blk);
> ^
> ../block/qcow2.c:3928:5: note: mutex acquired here
>
Markus Armbruster 于2023年11月30日周四 09:40写道：
>
> Sam Li writes:
>
> > To configure the zoned format feature on the qcow2 driver, it
> > requires settings as: the device size, zone model, zone size,
> > zone capacity, number of conventional zones, limits on zone
> >
Markus Armbruster 于2023年11月30日周四 18:11写道：
>
> Sam Li writes:
>
> > ZNS emulation follows NVMe ZNS spec but the state of namespace
> > zones does not persist accross restarts of QEMU. This patch makes the
> > metadata of ZNS emulation persistent by using new block layer
=${znsimg},id=nvmezns0,format=qcow2,if=none \
-device nvme-ns,drive=nvmezns0,bus=nvme0,nsid=1,uuid=xxx \
Sorry, send this one more time due to network problems.
v1->v2:
- split [v1 2/5] patch to three (doc, config, block layer API)
- adapt qcow2 v6
Sam Li (7):
docs/qcow2: add zd_extension_s
Signed-off-by: Sam Li
---
block/block-backend.c | 16
hw/nvme/ctrl.c| 20 ++--
hw/nvme/ns.c | 24
hw/nvme/nvme.h| 7 ---
include/sysemu/block-backend-io.h | 2
The zone information is contained in the BlockLimits fileds. Add blk_get_*()
functions
to access the block layer and update zone info accessing in the NVMe device
emulation.
Signed-off-by: Sam Li
---
block/block-backend.c | 72 +++
hw/nvme/ctrl.c
Signed-off-by: Sam Li
---
docs/interop/qcow2.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/docs/interop/qcow2.txt b/docs/interop/qcow2.txt
index 0f1938f056..458d05371a 100644
--- a/docs/interop/qcow2.txt
+++ b/docs/interop/qcow2.txt
@@ -428,6 +428,9 @@ The fields of the zoned
Signed-off-by: Sam Li
---
block/qcow2.c| 2 +-
hw/nvme/ctrl.c | 190 ---
include/sysemu/dma.h | 3 +
system/dma-helpers.c | 17
4 files changed, 162 insertions(+), 50 deletions(-)
diff --git a/block/qcow2.c b/block/qcow2.c
index
attributes at the following eight bit of zone type bit of write
pointers for each zone. The ZDED is stored as part of zoned metadata as
write pointers.
Signed-off-by: Sam Li
---
block/qcow2.c| 45
hw/nvme/ctrl.c | 1 +
include/block
Zone descriptor data is host definied data that is associated with
each zone. Add zone descriptor extensions to zonedmeta struct.
Signed-off-by: Sam Li
---
block/qcow2.c| 69 +---
block/qcow2.h| 2 +
include/block/block_int
zone state transition and manage zone resources.
Signed-off-by: Sam Li
---
block/qcow2.c|3 +
hw/nvme/ctrl.c | 1106 +++---
hw/nvme/ns.c | 77 +--
hw/nvme/nvme.h | 85 +--
include/block
=${znsimg},id=nvmezns0,format=qcow2,if=none \
-device nvme-ns,drive=nvmezns0,bus=nvme0,nsid=1,uuid=xxx \
v1->v2:
- split [v1 2/5] patch to three (doc, config, block layer API)
- adapt qcow2 v6
Sam Li (7):
docs/qcow2: add zd_extension_size option to the zoned format feature
qcow2: add zd_extens
Add the specs for the zoned format feature of the qcow2 driver.
The qcow2 file then can emulate real zoned devices, either passed
through by virtio-blk device or NVMe ZNS drive to the guest
given zoned information.
Signed-off-by: Sam Li
Reviewed-by: Stefan Hajnoczi
---
docs/system/qemu-block
feature, use command like
this:
$path/to/qemu-img create -f qcow2 zbc.qcow2 -o size=768M
-o zone.size=64M -o zone.capacity=64M -o zone.conventional_zones=0
-o zone.max_append_bytes=4096 -o zone.max_open_zones=10
-o zone.max_active_zones=12 -o zone.mode=host-managed
Signed-off-by: Sam Li
---
block
The zoned format feature can be tested by:
$ tests/qemu-iotests/check -qcow2 zoned-qcow2
Signed-off-by: Sam Li
Reviewed-by: Stefan Hajnoczi
---
tests/qemu-iotests/tests/zoned-qcow2 | 126 +++
tests/qemu-iotests/tests/zoned-qcow2.out | 118 +
2 files
corresponding state
changing.
Zoned devices have a limit on zone resources, which puts constraints on
write operations into zones. It is managed by active zone lists
following LRU policy.
Signed-off-by: Sam Li
---
block/qcow2.c| 741 ++-
block
tefan):
* fix zoned_mata allocation size
* use bitwise or than addition
* fix wp index overflow and locking
* cleanups: comments, naming
Sam Li (4):
docs/qcow2: add the zoned format feature
qcow2: add configurations for zoned format extension
qcow2: add zoned emulation capability
iotests:
Hi Eric,
Eric Blake 于2023年10月30日周一 22:53写道：
>
> On Mon, Oct 30, 2023 at 08:18:45PM +0800, Sam Li wrote:
> > To configure the zoned format feature on the qcow2 driver, it
> > requires settings as: the device size, zone model, zone size,
> > zone capacity, number of co
Markus Armbruster 于2023年11月3日周五 17:08写道：
>
> Eric Blake writes:
>
> > On Mon, Oct 30, 2023 at 08:18:45PM +0800, Sam Li wrote:
> >> To configure the zoned format feature on the qcow2 driver, it
> >> requires settings as: the device size, zone model, zone
Stefan Hajnoczi 于2023年11月3日周五 11:24写道：
>
> On Mon, Oct 30, 2023 at 08:18:45PM +0800, Sam Li wrote:
> > +typedef struct Qcow2ZoneListEntry {
> > +QLIST_ENTRY(Qcow2ZoneListEntry) exp_open_zone_entry;
> > +QLIST_ENTRY(Qcow2ZoneListEntry) imp_open_zone_ent
Looks good, thanks!
Hanna Czenczek 于2023年10月31日 周二17:24写道：
> On 25.08.23 06:05, Sam Li wrote:
>
> When the zoned request fail, it needs to update only the wp of
> the target zones for not disrupting the in-flight writes on
> these other zones. The wp is updated successfully afte
Hi Eric,
Eric Blake 于2023年10月30日周一 22:53写道：
>
> On Mon, Oct 30, 2023 at 08:18:45PM +0800, Sam Li wrote:
> > To configure the zoned format feature on the qcow2 driver, it
> > requires settings as: the device size, zone model, zone size,
> > zone capacity, number of co
Eric Blake 于2023年10月30日周一 22:05写道：
>
> On Mon, Oct 30, 2023 at 08:18:44PM +0800, Sam Li wrote:
> > Add the specs for the zoned format feature of the qcow2 driver.
> > The qcow2 file can be taken as zoned device and passed through by
> > virtio-blk device or NVMe ZNS d
corresponding state
changing.
Zoned devices have a limit on zone resources, which puts constraints on
write operations into zones. It is managed by active zone lists
following LRU policy.
Signed-off-by: Sam Li
---
block/qcow2.c| 731 ++-
block
The zoned format feature can be tested by:
$ tests/qemu-iotests/check -qcow2 zoned-qcow2
Signed-off-by: Sam Li
Reviewed-by: Stefan Hajnoczi
---
tests/qemu-iotests/tests/zoned-qcow2 | 126 +++
tests/qemu-iotests/tests/zoned-qcow2.out | 118 +
2 files
Add the specs for the zoned format feature of the qcow2 driver.
The qcow2 file can be taken as zoned device and passed through by
virtio-blk device or NVMe ZNS device to the guest given zoned
information.
Signed-off-by: Sam Li
Reviewed-by: Stefan Hajnoczi
---
docs/system/qemu-block
ned commands
- make zone append change state to full when wp reaches end
- add documentation to qcow2 zoned extension header
- address review comments (Stefan):
* fix zoned_mata allocation size
* use bitwise or than addition
* fix wp index overflow and locking
* cleanups: comments, namin
command like this:
$ qemu-img create -f qcow2 test.qcow2 -o size=768M -o
zone_size=64M -o zone_capacity=64M -o conventional_zones=0 -o
max_append_bytes=4096 -o max_open_zones=0 -o max_active_zones=0
-o zone_model=host-managed
Signed-off-by: Sam Li
fix config?
---
block/qcow2.c
iro Aota
> ---
> block/file-posix.c | 16 +++-
> 1 file changed, 7 insertions(+), 9 deletions(-)
Thanks!
Reviewed-by: Sam Li
>
> diff --git a/block/file-posix.c b/block/file-posix.c
> index 50e2b20d5c45..c39209358909 100644
> --- a/block/file-posix.c
>
Sam Li 于2023年8月25日周五 12:06写道：
>
> When the zoned request fail, it needs to update only the wp of
> the target zones for not disrupting the in-flight writes on
> these other zones. The wp is updated successfully after the
> request completes.
>
> Fixed the callers with righ
Hello Eric,
Eric Blake 于2023年9月28日周四 23:15写道：
>
> On Mon, Sep 18, 2023 at 05:53:11PM +0800, Sam Li wrote:
> > To configure the zoned format feature on the qcow2 driver, it
> > requires settings as: the device size, zone model, zone size,
> > zone capacity, number of co
Eric Blake 于2023年9月29日周五 03:17写道：
>
> On Mon, Sep 18, 2023 at 05:53:12PM +0800, Sam Li wrote:
> > By adding zone operations and zoned metadata, the zoned emulation
> > capability enables full emulation support of zoned device using
> > a qcow2 file. The zoned device met
Markus Armbruster 于2023年9月25日周一 21:05写道：
>
> Sam Li writes:
>
> > To configure the zoned format feature on the qcow2 driver, it
> > requires settings as: the device size, zone model, zone size,
> > zone capacity, number of conventional zones, limits on zone
> > r
Markus Armbruster 于2023年9月18日周一 22:46写道：
>
> Sam Li writes:
>
> > Markus Armbruster 于2023年9月1日周五 19:08写道：
> >>
> >> Sam Li writes:
> >>
> >> > To configure the zoned format feature on the qcow2 driver, it
> >> > requires fol
The zoned format feature can be tested by:
$ tests/qemu-iotests/check -qcow2 zoned-qcow2
Signed-off-by: Sam Li
Reviewed-by: Stefan Hajnoczi
---
tests/qemu-iotests/tests/zoned-qcow2 | 129 ++
tests/qemu-iotests/tests/zoned-qcow2.out | 133 +++
2 files
corresponding state
changing.
Zoned devices have a limit on zone resources, which puts constraints on
write operations into zones.
Signed-off-by: Sam Li
---
block/qcow2.c | 709 -
block/qcow2.h | 2 +
block/trace-events | 2
, use command like this:
$ qemu-img create -f qcow2 test.qcow2 -o size=768M -o
zone_size=64M -o zone_capacity=64M -o nr_conv_zones=0 -o
max_append_sectors=512 -o max_open_zones=0 -o max_active_zones=0
-o zone_model=1
Signed-off-by: Sam Li
---
block/qcow2.c| 186
overflow and locking
* cleanups: comments, naming
Sam Li (4):
docs/qcow2: add the zoned format feature
qcow2: add configurations for zoned format extension
qcow2: add zoned emulation capability
iotests: test the zoned format feature for qcow2 file
block/qcow2.c
Add the specs for the zoned format feature of the qcow2 driver.
The qcow2 file can be taken as zoned device and passed through by
virtio-blk device or NVMe ZNS device to the guest given zoned
information.
Signed-off-by: Sam Li
---
docs/system/qemu-block-drivers.rst.inc | 33
Stefan Hajnoczi 于2023年9月14日周四 04:12写道：
>
> On Mon, Aug 28, 2023 at 11:09:53PM +0800, Sam Li wrote:
> > To configure the zoned format feature on the qcow2 driver, it
> > requires following arguments: the device size, zoned profile,
> > zone model, zone size, zone capacity
Markus Armbruster 于2023年9月1日周五 19:08写道：
>
> Sam Li writes:
>
> > To configure the zoned format feature on the qcow2 driver, it
> > requires following arguments: the device size, zoned profile,
>
> "Zoned profile" is gone in v3.
>
> > zone model, zo
Damien Le Moal 于2023年8月29日周二 15:14写道：
>
> On 8/29/23 15:27, Sam Li wrote:
> > Damien Le Moal 于2023年8月29日周二 14:06写道：
> >>
> >> On 8/28/23 20:55, Sam Li wrote:
> >>>>> +/* close one implicitly open zones to make it
Damien Le Moal 于2023年8月29日周二 14:06写道：
>
> On 8/28/23 20:55, Sam Li wrote:
> >>> +/* close one implicitly open zones to make it available */
> >>> +for (int i = s->zoned_header.zone_nr_conv;
> >>> +i < bs->bl.n
corresponding state
changing.
Zoned devices have a limit on zone resources, which puts constraints on
write operations into zones.
Signed-off-by: Sam Li
---
block/qcow2.c | 657 -
block/qcow2.h | 2 +
block/trace-events | 1
file with zoned format, use command like this:
$ qemu-img create -f qcow2 test.qcow2 -o size=768M -o
zone_size=64M -o zone_capacity=64M -o nr_conv_zones=0 -o
max_append_sectors=512 -o max_open_zones=0 -o max_active_zones=0
-o zone_model=1
Signed-off-by: Sam Li
---
block/qcow2.c
The zoned format feature can be tested by:
$ tests/qemu-iotests/check -qcow2 zoned-qcow2
Signed-off-by: Sam Li
Reviewed-by: Stefan Hajnoczi
---
tests/qemu-iotests/tests/zoned-qcow2 | 135 ++
tests/qemu-iotests/tests/zoned-qcow2.out | 140 +++
2 files
cation size
* use bitwise or than addition
* fix wp index overflow and locking
* cleanups: comments, naming
Sam Li (4):
docs/qcow2: add the zoned format feature
qcow2: add configurations for zoned format extension
qcow2: add zoned emulation capability
iotests: test the zoned format f
Add the specs for the zoned format feature of the qcow2 driver.
The qcow2 file can be taken as zoned device and passed through by
virtio-blk device or NVMe ZNS device to the guest given zoned
information.
Signed-off-by: Sam Li
---
docs/system/qemu-block-drivers.rst.inc | 39
Stefan Hajnoczi 于2023年8月21日周一 21:31写道：
>
> On Mon, Aug 14, 2023 at 04:58:00PM +0800, Sam Li wrote:
> > diff --git a/block/qcow2.h b/block/qcow2.h
> > index f789ce3ae0..3694c8d217 100644
> > --- a/block/qcow2.h
> > +++ b/block/qcow2.h
> >
Stefan Hajnoczi 于2023年8月23日周三 03:48写道：
>
> On Mon, Aug 14, 2023 at 04:58:01PM +0800, Sam Li wrote:
> > By adding zone operations and zoned metadata, the zoned emulation
> > capability enables full emulation support of zoned device using
> > a qcow2 file. The zoned devic
Damien Le Moal 于2023年8月28日周一 18:22写道：
>
> On 8/28/23 19:18, Sam Li wrote:
> > Damien Le Moal 于2023年8月28日周一 18:13写道：
> >>
> >> On 8/28/23 18:22, Sam Li wrote:
> >>> Stefan Hajnoczi 于2023年8月21日周一 21:31写道：
> >>>>
> >>>> On
Damien Le Moal 于2023年8月28日周一 18:13写道：
>
> On 8/28/23 18:22, Sam Li wrote:
> > Stefan Hajnoczi 于2023年8月21日周一 21:31写道：
> >>
> >> On Mon, Aug 14, 2023 at 04:58:00PM +0800, Sam Li wrote:
> >>> diff --git a/block/qcow2.h b/block/qcow2.h
> >>>
Stefan Hajnoczi 于2023年8月21日周一 21:31写道：
>
> On Mon, Aug 14, 2023 at 04:58:00PM +0800, Sam Li wrote:
> > diff --git a/block/qcow2.h b/block/qcow2.h
> > index f789ce3ae0..3694c8d217 100644
> > --- a/block/qcow2.h
> > +++ b/block/qcow2.h
> >
Markus Armbruster 于2023年8月21日周一 21:13写道：
>
> Sam Li writes:
>
> > To configure the zoned format feature on the qcow2 driver, it
> > requires following arguments: the device size, zoned profile,
> > zoned model, zone size, zone capacity, number of conventional
> >
When the zoned request fail, it needs to update only the wp of
the target zones for not disrupting the in-flight writes on
these other zones. The wp is updated successfully after the
request completes.
Fixed the callers with right offset and nr_zones.
Signed-off-by: Sam Li
---
block/file
Damien Le Moal 于2023年8月25日周五 11:32写道：
>
> On 8/25/23 12:05, Sam Li wrote:
> > Damien Le Moal 于2023年8月25日周五 07:49写道：
> >>
> >> On 8/25/23 02:39, Sam Li wrote:
> >>> When the zoned requests that may change wp fail, it needs to
> >>> update
Damien Le Moal 于2023年8月25日周五 07:49写道：
>
> On 8/25/23 02:39, Sam Li wrote:
> > When the zoned requests that may change wp fail, it needs to
> > update only wps of the zones within the range of the requests
> > for not disrupting the other in-flight requests. The wp is
-by: Sam Li
---
block/file-posix.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/block/file-posix.c b/block/file-posix.c
index b16e9c21a1..22559d6c2d 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -2522,7 +2522,8 @@ out:
}
} else
Hanna Czenczek 于2023年8月24日周四 23:53写道：
>
> We duplicate the same condition three times here, pull it out to the top
> level.
>
> Signed-off-by: Hanna Czenczek
> ---
> block/file-posix.c | 18 +-
> 1 file changed, 5 insertions(+), 13 deletions(-)
Reviewed-by: Sam Li
e-posix.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
Reviewed-by: Sam Li
Hi Hanna,
Hanna Czenczek 于2023年8月24日周四 23:53写道：
>
> Hi,
>
> As presented in [1] there is a bug in the zone code in raw_co_prw(),
> specifically we don’t check whether there actually is zone information
> before running code that assumes there is (and thus we run into a
> division by zero). This
ng other than BLK_Z_NONE, other values and objects
> like bs->wps and bs->bl.zone_size must be non-null/zero and valid; if it
> is not, we cannot rely on their validity.
>
> Signed-off-by: Hanna Czenczek
> ---
> block/file-posix.c | 12 +++-
> 1 file changed, 7 insertions(+), 5 deletions(-)
Reviewed-by: Sam Li
a memory leak in the last error path in
> raw_refresh_zoned_limits().
>
> Signed-off-by: Hanna Czenczek
> ---
> block/file-posix.c | 21 -
> 1 file changed, 12 insertions(+), 9 deletions(-)
Reviewed-by: Sam Li
Klaus Jensen 于2023年8月16日周三 15:37写道：
>
> On Aug 14 16:57, Sam Li wrote:
> > This patch series add a new extension - zoned format - to the
> > qcow2 driver thereby allowing full zoned storage emulation on
> > the qcow2 img file. Users can attach such a qcow2 file to the
>
Signed-off-by: Sam Li
---
block/block-backend.c | 8 ++
block/qcow2.c | 7 +-
hw/nvme/ctrl.c| 195 ++
include/sysemu/block-backend-io.h | 1 +
include/sysemu/dma.h | 3 +
softmmu/dma-helpers.c
attributes at the following eight bit of zoned bit of write
pointers for each zone. The ZDED is stored as part of zoned metadata as
write pointers.
Signed-off-by: Sam Li
---
block/qcow2.c| 44 +++-
hw/nvme/ctrl.c | 6 +
include
zone state transition and manage zone resources.
Signed-off-by: Sam Li
---
block/block-backend.c | 15 +
block/qcow2.c |3 +
hw/nvme/ctrl.c| 1114 ++---
hw/nvme/ns.c | 77 +-
hw/nvme/nvme.h
Zone descriptor data is host definied data that is associated with
each zone. Add zone descriptor extensions to zonedmeta and
blk_get_zone_extension to access zd_extensions.
Signed-off-by: Sam Li
---
block/block-backend.c | 15 ++
block/qcow2.c | 86
The zone information is contained in the BlockLimits fileds. Add blk_get_*()
functions
to access the block layer and update zone info accessing in the NVMe device
emulation.
Signed-off-by: Sam Li
---
block/block-backend.c | 56
block/qcow2.c
in the command line of QEMU, use:
-drive file=${znsimg},id=nvmezns0,format=qcow2,if=none \
-device nvme-ns,drive=nvmezns0,bus=nvme0,nsid=1,uuid=xxx \
Sam Li (5):
hw/nvme: use blk_get_*() to access zone info in the block layer
qcow2: add zone device metadata with zd_extension
hw/nvme: make
The zoned format feature can be tested by:
$ tests/qemu-iotests/check zoned-qcow2
Signed-off-by: Sam Li
---
tests/qemu-iotests/tests/zoned-qcow2 | 135 ++
tests/qemu-iotests/tests/zoned-qcow2.out | 140 +++
2 files changed, 275 insertions(+)
create
drive.
Signed-off-by: Sam Li
---
docs/system/qemu-block-drivers.rst.inc | 39 ++
1 file changed, 39 insertions(+)
diff --git a/docs/system/qemu-block-drivers.rst.inc
b/docs/system/qemu-block-drivers.rst.inc
index 105cb9679c..2c1620668f 100644
--- a/docs/system/qemu
use bitwise or than addition
* fix wp index overflow and locking
* cleanups: comments, naming
Sam Li (4):
docs/qcow2: add the zoned format feature
qcow2: add configurations for zoned format extension
qcow2: add zoned emulation capability
iotests: test the zoned format feature for qcow2 f
=0
-o zoned_profile=zbc/zns
Signed-off-by: Sam Li
---
block/qcow2.c| 125 +++
block/qcow2.h| 21 ++
docs/interop/qcow2.txt | 24 ++
include/block/block-common.h | 5 ++
include/block/block_int-common.h
corresponding state
changing.
Zoned devices have a limit on zone resources, which puts constraints on
write operations into zones.
Signed-off-by: Sam Li
---
block/qcow2.c | 676 -
block/qcow2.h | 2 +
docs/interop/qcow2.txt | 2 +
3
Matthew Rosato 于2023年7月27日周四 19:46写道：
>
> On 7/5/23 10:54 AM, Matthew Rosato wrote:
> > On 6/4/23 2:16 AM, Sam Li wrote:
> >> The g_file_get_contents() function returns a g_boolean. If it fails, the
> >> returned value will be 0 instead of -1. Solve the issue by ski
-by: Sam Li
Reviewed-by: Matthew Rosato
Reviewed-by: Stefan Hajnoczi
---
block/file-posix.c | 6 ++
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/block/file-posix.c b/block/file-posix.c
index 9e8e3d8ca5..b16e9c21a1 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
Stefan Hajnoczi 于2023年6月20日周二 22:48写道：
>
> On Mon, Jun 19, 2023 at 10:50:31PM +0800, Sam Li wrote:
> > Stefan Hajnoczi 于2023年6月19日周一 22:42写道：
> > >
> > > On Mon, Jun 19, 2023 at 06:32:52PM +0800, Sam Li wrote:
> > > > Stefan Hajnoczi 于2023年6月19日周一 18:
Stefan Hajnoczi 于2023年6月19日周一 22:42写道：
>
> On Mon, Jun 19, 2023 at 06:32:52PM +0800, Sam Li wrote:
> > Stefan Hajnoczi 于2023年6月19日周一 18:10写道：
> > > On Mon, Jun 05, 2023 at 06:41:06PM +0800, Sam Li wrote:
> > > > diff --git a/block/qcow2.h b/block/qcow2.h
>
Stefan Hajnoczi 于2023年6月19日周一 18:10写道：
>
> On Mon, Jun 05, 2023 at 06:41:06PM +0800, Sam Li wrote:
> > To configure the zoned format feature on the qcow2 driver, it
> > requires following arguments: the device size, zoned profile,
> > zoned model, zone size, zone capacity
Stefan Hajnoczi 于2023年6月13日周二 15:04写道：
>
> On Mon, Jun 05, 2023 at 06:41:05PM +0800, Sam Li wrote:
> > Add the specs for the zoned format feature of the qcow2 driver. Once
> > the zoned_profile is set to `zbc`, then the qcow2 file can be taken
> > as zoned devices and pass
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