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Eugenio Pérez 152128d646 vdpa: move CVQ isolation check to net_init_vhost_vdpa 
Evaluating it at start time instead of initialization time may make the
guest capable of dynamically adding or removing migration blockers.

Also, moving to initialization reduces the number of ioctls in the
migration, reducing failure possibilities.

As a drawback we need to check for CVQ isolation twice: one time with no
MQ negotiated and another one acking it, as long as the device supports
it.  This is because Vring ASID / group management is based on vq
indexes, but we don't know the index of CVQ before negotiating MQ.

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Message-Id: <20230526153143.470745-3-eperezma@redhat.com>
Tested-by: Lei Yang <leiyang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
2023-06-23 03:09:45 -04:00
..
can meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
announce.c qapi net: Elide redundant has_FOO in generated C 2022-12-14 20:04:47 +01:00
checksum.c net/checksum: Remove unused variable in net_checksum_add_iov 2021-07-26 07:06:58 -10:00
clients.h qapi: net: add stream and dgram netdevs 2022-10-28 13:28:52 +08:00
colo-compare.c qapi: Use returned bool to check for failure (again) 2022-12-14 16:19:35 +01:00
colo-compare.h Add the function of colo_compare_cleanup 2021-06-11 10:30:13 +08:00
colo.c net/colo.c: Fix the pointer issue reported by Coverity. 2022-09-02 10:22:39 +08:00
colo.h net/colo.c: Fix the pointer issue reported by Coverity. 2022-09-02 10:22:39 +08:00
dgram.c win32: replace closesocket() with close() wrapper 2023-03-13 15:39:31 +04:00
dump.c net: Strip virtio-net header when dumping 2023-03-10 15:35:38 +08:00
eth.c igb: Strip the second VLAN tag for extended VLAN 2023-05-23 15:20:15 +08:00
filter-buffer.c netfilter: Use class properties 2020-12-15 10:02:07 -05:00
filter-mirror.c net/filter: Optimize filter_send to coroutine 2022-02-14 11:50:44 +08:00
filter-replay.c hw: Do not include qemu/log.h if it is not necessary 2021-05-02 17:24:50 +02:00
filter-rewriter.c net/colo: Fix a "double free" crash to clear the conn_list 2022-07-20 16:58:08 +08:00
filter.c netfilter: Use class properties 2020-12-15 10:02:07 -05:00
hub.c qapi net: Elide redundant has_FOO in generated C 2022-12-14 20:04:47 +01:00
hub.h net: Remove deprecated [hub_id name] tuple of 'hostfwd_add' / 'hostfwd_remove' 2020-03-09 18:44:04 +00:00
l2tpv3.c net: Increase L2TPv3 buffer to fit jumboframes 2023-02-17 13:31:33 +08:00
meson.build meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
net-hmp-cmds.c net: Move hmp_info_network() to net-hmp-cmds.c 2023-02-04 07:56:54 +01:00
net.c net: Strip virtio-net header when dumping 2023-03-10 15:35:38 +08:00
netmap.c Do not include sysemu/sysemu.h if it's not really necessary 2021-05-02 17:24:50 +02:00
queue.c net: introduce qemu_receive_packet() 2021-03-15 16:41:22 +08:00
slirp.c slirp: open-code qemu_socket_(un)select() 2023-03-13 15:39:31 +04:00
socket.c win32: replace closesocket() with close() wrapper 2023-03-13 15:39:31 +04:00
stream.c net: stream: add a new option to automatically reconnect 2023-02-17 13:31:33 +08:00
tap-bsd.c Refactoring: refactor TFR() macro to RETRY_ON_EINTR() 2023-01-09 13:50:47 +01:00
tap-linux.c Refactoring: refactor TFR() macro to RETRY_ON_EINTR() 2023-01-09 13:50:47 +01:00
tap-linux.h net: Replace TAB indentations with spaces 2022-11-11 09:39:03 +01:00
tap-solaris.c Refactoring: refactor TFR() macro to RETRY_ON_EINTR() 2023-01-09 13:50:47 +01:00
tap-stub.c net: Added SetSteeringEBPF method for NetClientState. 2021-06-04 15:25:46 +08:00
tap-win32.c qapi net: Elide redundant has_FOO in generated C 2022-12-14 20:04:47 +01:00
tap.c net: Strip virtio-net header when dumping 2023-03-10 15:35:38 +08:00
tap_int.h net: Added SetSteeringEBPF method for NetClientState. 2021-06-04 15:25:46 +08:00
trace-events net/colo.c: Fix the pointer issue reported by Coverity. 2022-09-02 10:22:39 +08:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
util.c net: Clean up includes 2016-02-04 17:41:30 +00:00
util.h Replace config-time define HOST_WORDS_BIGENDIAN 2022-04-06 10:50:37 +02:00
vde.c net: introduce qemu_set_info_str() function 2022-10-28 13:28:52 +08:00
vhost-user-stub.c vhost-net-user: add stubs for when no virtio-net device is present 2019-02-21 12:28:01 -05:00
vhost-user.c vhost-user: Refactor the chr_closed_bh 2023-01-08 01:54:22 -05:00
vhost-vdpa-stub.c vhost-net-vdpa: add stubs for when no virtio-net device is present 2022-07-20 16:58:08 +08:00
vhost-vdpa.c vdpa: move CVQ isolation check to net_init_vhost_vdpa 2023-06-23 03:09:45 -04:00
vmnet-bridged.m cocoa: Fix warnings about invalid prototype declarations 2023-06-13 11:28:58 +02:00
vmnet-common.m vmnet: stop recieving events when VM is stopped 2023-02-17 13:31:33 +08:00
vmnet-host.c qapi net: Elide redundant has_FOO in generated C 2022-12-14 20:04:47 +01:00
vmnet-shared.c qapi net: Elide redundant has_FOO in generated C 2022-12-14 20:04:47 +01:00
vmnet_int.h vmnet: stop recieving events when VM is stopped 2023-02-17 13:31:33 +08:00