motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-02 23:33:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions
qemu/include/hw/virtio
History
Gao Shiyuan 55fa4be6f7 virtio-pci: fix memory_region_find for VirtIOPCIRegion's MR 
As shown below, if a virtio PCI device is attached under a pci-bridge, the MR
of VirtIOPCIRegion does not belong to any address space. So memory_region_find
cannot be used to search for this MR.

Introduce the virtio-pci and pci_bridge address spaces to solve this problem.

Before:
memory-region: pci_bridge_pci
  0000000000000000-ffffffffffffffff (prio 0, i/o): pci_bridge_pci
    00000000fe840000-00000000fe840fff (prio 1, i/o): virtio-net-pci-msix
      00000000fe840000-00000000fe84003f (prio 0, i/o): msix-table
      00000000fe840800-00000000fe840807 (prio 0, i/o): msix-pba
    0000380000000000-0000380000003fff (prio 1, i/o): virtio-pci
      0000380000000000-0000380000000fff (prio 0, i/o): virtio-pci-common-virtio-net
      0000380000001000-0000380000001fff (prio 0, i/o): virtio-pci-isr-virtio-net
      0000380000002000-0000380000002fff (prio 0, i/o): virtio-pci-device-virtio-net
      0000380000003000-0000380000003fff (prio 0, i/o): virtio-pci-notify-virtio-net

After:
address-space: virtio-pci-cfg-mem-as
  0000380000000000-0000380000003fff (prio 1, i/o): virtio-pci
    0000380000000000-0000380000000fff (prio 0, i/o): virtio-pci-common-virtio-net
    0000380000001000-0000380000001fff (prio 0, i/o): virtio-pci-isr-virtio-net
    0000380000002000-0000380000002fff (prio 0, i/o): virtio-pci-device-virtio-net
    0000380000003000-0000380000003fff (prio 0, i/o): virtio-pci-notify-virtio-net

address-space: pci_bridge_pci_mem
  0000000000000000-ffffffffffffffff (prio 0, i/o): pci_bridge_pci
    00000000fe840000-00000000fe840fff (prio 1, i/o): virtio-net-pci-msix
      00000000fe840000-00000000fe84003f (prio 0, i/o): msix-table
      00000000fe840800-00000000fe840807 (prio 0, i/o): msix-pba
    0000380000000000-0000380000003fff (prio 1, i/o): virtio-pci
      0000380000000000-0000380000000fff (prio 0, i/o): virtio-pci-common-virtio-net
      0000380000001000-0000380000001fff (prio 0, i/o): virtio-pci-isr-virtio-net
      0000380000002000-0000380000002fff (prio 0, i/o): virtio-pci-device-virtio-net
      0000380000003000-0000380000003fff (prio 0, i/o): virtio-pci-notify-virtio-net

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2576
Fixes: ffa8a3e3b2 ("virtio-pci: Add lookup subregion of VirtIOPCIRegion MR")
Co-developed-by: Zuo Boqun <zuoboqun@baidu.com>
Signed-off-by: Zuo Boqun <zuoboqun@baidu.com>
Co-developed-by: Wang Liang <wangliang44@baidu.com>
Signed-off-by: Wang Liang <wangliang44@baidu.com>
Signed-off-by: Gao Shiyuan <gaoshiyuan@baidu.com>
Message-Id: <20241030131324.34144-1-gaoshiyuan@baidu.com>
Tested-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2024-11-04 16:03:24 -05:00
..
vdpa-dev.h vdpa: add vdpa-dev support 2022-12-21 06:35:28 -05:00
vhost-backend.h vhost: Add worker backend callouts 2023-12-25 11:34:55 -05:00
vhost-scsi-common.h vhost-user-scsi: support reconnect to backend 2023-10-22 05:18:17 -04:00
vhost-scsi.h Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
vhost-user-base.h virtio: split into vhost-user-base and vhost-user-device 2024-02-14 06:01:39 -05:00
vhost-user-blk.h vhost-user-blk: make 'config_wce' part of 'host_features' 2022-10-07 09:41:51 -04:00
vhost-user-fs.h Clean up ill-advised or unusual header guards 2022-05-11 16:50:01 +02:00
vhost-user-gpio.h hw/virtio: derive vhost-user-gpio from vhost-user-base 2024-02-14 06:01:44 -05:00
vhost-user-i2c.h hw/virtio: derive vhost-user-i2c from vhost-user-base 2024-02-14 06:01:49 -05:00
vhost-user-rng.h hw/virtio: derive vhost-user-rng from vhost-user-base 2024-02-14 06:01:42 -05:00
vhost-user-scmi.h hw/virtio: Add a protection against duplicate vu_scmi_stop calls 2023-08-03 16:06:49 -04:00
vhost-user-scsi.h vhost-user-scsi: support reconnect to backend 2023-10-22 05:18:17 -04:00
vhost-user-snd.h hw/virtio: add vhost-user-snd and vhost-user-snd-pci devices 2024-02-14 06:09:03 -05:00
vhost-user-vsock.h Clean up ill-advised or unusual header guards 2022-05-11 16:50:01 +02:00
vhost-user.h Revert "vhost-user: fix lost reconnect" 2024-07-01 17:16:04 -04:00
vhost-vdpa.h vdpa: define SVQ transitioning state for mode switching 2024-03-12 17:56:55 -04:00
vhost-vsock-common.h qapi: Improve documentation of file descriptor socket addresses 2024-02-12 10:04:32 +01:00
vhost-vsock.h vhost-vsock: handle common features in vhost-vsock-common 2021-10-05 17:30:57 -04:00
vhost.h vhost: Remove unused vhost_dev_{load|save}_inflight 2024-10-03 17:26:06 +03:00
virtio-access.h Replace TARGET_WORDS_BIGENDIAN 2022-04-06 10:50:37 +02:00
virtio-acpi.h license: Update deprecated SPDX tag GPL-2.0+ to GPL-2.0-or-later 2024-09-20 10:11:59 +03:00
virtio-balloon.h Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
virtio-blk-common.h virtio-blk: move config size params to virtio-blk-common 2022-10-07 09:41:51 -04:00
virtio-blk.h virtio-blk: declare VirtIOBlock::rq with a type 2024-02-07 14:44:19 +01:00
virtio-bus.h virtio-bus: introduce iommu_enabled() 2021-09-04 16:35:17 -04:00
virtio-crypto.h crypto: Introduce RSA algorithm 2022-06-16 12:54:58 -04:00
virtio-dmabuf.h hw/display: introduce virtio-dmabuf 2023-10-04 18:15:06 -04:00
virtio-gpu-bswap.h virtio-gpu: blob prep 2023-10-16 11:29:56 +04:00
virtio-gpu-pci.h Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
virtio-gpu-pixman.h virtio-gpu: add a pixman helper header 2019-05-29 06:29:07 +02:00
virtio-gpu.h virtio-gpu: Support Venus context 2024-10-28 16:56:36 +00:00
virtio-input.h hw/virtio: derive vhost-user-input from vhost-user-base 2024-02-14 06:09:32 -05:00
virtio-iommu.h virtio-iommu: Remove probe_done 2024-07-22 20:15:42 -04:00
virtio-md-pci.h virtio-md-pci: Support unplug requests for compatible devices 2023-07-12 09:27:30 +02:00
virtio-mem.h virtio-mem: Use new Resettable framework instead of LegacyReset 2024-09-24 11:33:35 +02:00
virtio-mmio.h include: Include headers where needed 2023-01-08 01:54:22 -05:00
virtio-net.h virtio-net: Added property to load eBPF RSS with fds. 2024-03-12 19:31:46 +08:00
virtio-pci.h virtio-pci: fix memory_region_find for VirtIOPCIRegion's MR 2024-11-04 16:03:24 -05:00
virtio-pmem.h qapi: Restrict device memory commands to machine code 2020-09-29 15:41:36 +02:00
virtio-rng.h Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
virtio-scsi.h vhost-scsi: Add support for a worker thread per virtqueue 2023-12-25 11:34:55 -05:00
virtio-serial.h Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
virtio.h virtio: Allow .get_vhost() without vhost_started 2024-09-10 14:27:56 -04:00