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f2a6e6c4fa
qemu/hw/virtio
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Kevin Wolf f2a6e6c4fa vhost: Return 0/-errno in vhost_dev_init() 
Instead of just returning 0/-1 and letting the caller make up a
meaningless error message, switch to 0/-errno so that different kinds of
errors can be distinguished in the caller.

This involves changing a few more callbacks in VhostOps to return
0/-errno: .vhost_set_owner(), .vhost_get_features() and
.vhost_virtqueue_set_busyloop_timeout(). The implementations of these
functions are trivial as they generally just send a message to the
backend.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20210609154658.350308-4-kwolf@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2021-06-30 13:16:05 +02:00
..
Kconfig virtio-mem: Paravirtualized memory hot(un)plug 2020-07-03 07:57:04 -04:00
meson.build meson: convert hw/virtio 2020-08-21 06:30:26 -04:00
trace-events docs: fix references to docs/devel/tracing.rst 2021-06-02 06:51:09 +02:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
vhost-backend.c vhost: Return 0/-errno in vhost_dev_init() 2021-06-30 13:16:05 +02:00
vhost-scsi-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
vhost-stub.c
vhost-user-blk-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
vhost-user-fs-pci.c vhost-user-fs: add the "bootindex" property 2021-01-13 09:06:37 -05:00
vhost-user-fs.c vhost: Add Error parameter to vhost_dev_init() 2021-06-30 13:15:44 +02:00
vhost-user-input-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
vhost-user-scsi-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
vhost-user-vsock-pci.c vhost-user-vsock-pci: force virtio version 1 2020-09-29 02:15:24 -04:00
vhost-user-vsock.c vhost: Add Error parameter to vhost_dev_init() 2021-06-30 13:15:44 +02:00
vhost-user.c vhost: Return 0/-errno in vhost_dev_init() 2021-06-30 13:16:05 +02:00
vhost-vdpa.c vhost: Return 0/-errno in vhost_dev_init() 2021-06-30 13:16:05 +02:00
vhost-vsock-common.c Remove superfluous timer_del() calls 2021-01-08 15:13:38 +00:00
vhost-vsock-pci.c vhost-vsock-pci: force virtio version 1 2020-09-29 02:15:24 -04:00
vhost-vsock.c vhost: Add Error parameter to vhost_dev_init() 2021-06-30 13:15:44 +02:00
vhost.c vhost: Return 0/-errno in vhost_dev_init() 2021-06-30 13:16:05 +02:00
virtio-9p-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
virtio-balloon-pci.c hw/virtio/virtio-balloon: Remove the "class" property 2021-02-05 08:52:59 -05:00
virtio-balloon.c migrate/ram: remove "ram_bulk_stage" and "fpo_enabled" 2021-05-13 18:21:13 +01:00
virtio-blk-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
virtio-bus.c virtio: Fail if iommu_platform is requested, but unsupported 2021-05-18 12:57:38 +02:00
virtio-crypto-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
virtio-crypto.c virtio-crypto: don't modify elem->in/out_sg 2020-09-23 13:41:58 +01:00
virtio-input-host-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
virtio-input-pci.c Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
virtio-iommu-pci.c qdev: Move softmmu properties to qdev-properties-system.h 2020-12-18 15:20:17 -05:00
virtio-iommu.c virtio-iommu: Handle non power of 2 range invalidations 2021-03-12 12:40:10 +00:00
virtio-mem-pci.c virito-mem: Implement get_min_alignment() 2020-11-03 07:19:26 -05:00
virtio-mem-pci.h Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
virtio-mem.c migrate/ram: remove "ram_bulk_stage" and "fpo_enabled" 2021-05-13 18:21:13 +01:00
virtio-mmio.c hw/virtio: enable ioeventfd configuring for mmio 2021-05-14 10:26:18 -04:00
virtio-net-pci.c virtio-net: calculating proper msix vectors on init 2021-03-15 16:41:22 +08:00
virtio-pci.c virtio-pci: compat page aligned ATS 2021-04-06 07:11:36 -04:00
virtio-pci.h virtio-pci: compat page aligned ATS 2021-04-06 07:11:36 -04:00
virtio-pmem-pci.c virtio-pmem-pci: force virtio version 1 2020-09-29 02:14:30 -04:00
virtio-pmem-pci.h Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
virtio-pmem.c virtio-pmem: fix virtio_pmem_resp assign problem 2021-03-22 10:17:53 -04:00
virtio-rng-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
virtio-rng.c sysemu: Let VMChangeStateHandler take boolean 'running' argument 2021-03-09 23:13:57 +01:00
virtio-scsi-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
virtio-serial-pci.c Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
virtio.c cpu: Introduce cpu_virtio_is_big_endian() 2021-05-26 15:33:59 -07:00