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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
..
acpi hw/acpi: Make storage of node id uint32_t to reduce fragility 2024-11-04 16:03:24 -05:00
adc hw/adc: Remove MAX111X device 2024-10-15 15:16:17 +01:00
arm hw/intc/omap_intc: Remove now-unnecessary abstract base class 2024-10-15 15:16:17 +01:00
audio virtio-snd: rewrite invalid tx/rx message handling 2024-04-09 02:31:16 -04:00
block hw/block: Remove ecc 2024-10-15 15:16:17 +01:00
char hw/char: sifive_uart: Print uart characters async 2024-10-30 11:22:08 +10:00
core include: Move QemuLockCnt APIs to their own header 2024-10-15 15:16:17 +01:00
cpu
cxl hw/mem/cxl-type3: Add properties to control link speed and width 2024-11-04 16:03:24 -05:00
display hw/display: Remove Blizzard display device 2024-10-01 14:40:29 +01:00
dma
firmware hw/smbios: Remove 'uuid_encoded' argument from smbios_set_defaults() 2024-06-19 12:40:49 +02:00
fsi
gpio hw/gpio/aspeed: Support different memory region ops 2024-10-24 07:57:47 +02:00
hyperv vmbus: Print a warning when enabled without the recommended set of features 2024-03-08 14:18:56 +01:00
i2c hw/i2c/aspeed: Add support for Tx/Rx buffer 64 bit addresses 2024-09-16 17:44:08 +02:00
i386 hw: add compat machines for 9.2 2024-09-05 13:12:36 +01:00
ide ide, vl: turn -win2k-hack into a property on IDE devices 2024-02-28 00:23:39 +01:00
input hw/input: Remove lm832x device 2024-10-01 14:41:10 +01:00
intc hw/intc/loongarch_ipi: Add loongarch IPI support 2024-08-06 10:22:52 +02:00
ipack
ipmi
isa
loongarch hw/loongarch/virt: Remove unnecessary 'cpu.h' inclusion 2024-10-16 16:03:13 +08:00
m68k
mem hw/mem/memory-device: Remove legacy_align from memory_device_pre_plug() 2024-06-19 12:40:49 +02:00
mips hw/mips/cps: Set the vCPU 'cpu-big-endian' property 2024-10-15 12:21:06 -03:00
misc hw/misc/aspeed_hace: Fix SG Accumulative hashing 2024-10-24 07:57:47 +02:00
net hw/net:ftgmac100: introduce TX and RX ring base address high registers to support 64 bits 2024-07-09 08:05:44 +02:00
nubus
nvram hw: Remove unused fw_cfg_init_io 2024-10-03 17:26:06 +03:00
openrisc
pci virtio-pci: fix memory_region_find for VirtIOPCIRegion's MR 2024-11-04 16:03:24 -05:00
pci-bridge hw/pci-bridge/cxl-upstream: Add properties to control link speed and width 2024-11-04 16:03:24 -05:00
pci-host q35: Remove unused mch_mcfg_base 2024-10-03 17:26:05 +03:00
ppc mac_dbdma: Remove leftover dma_memory_unmap calls 2024-09-18 09:31:56 +01:00
remote remote: Remove unused remote_iohub_finalize 2024-10-03 17:26:06 +03:00
riscv hw/riscv: add RISC-V IOMMU base emulation 2024-10-31 13:51:24 +10:00
rtc hw/i386: move rtc-reset-reinjection command out of hw/rtc 2024-05-10 15:45:15 +02:00
rx
s390x s390x: Rebuild IPLB for SCSI device directly from DIAG308 2024-10-23 06:53:44 +02:00
scsi
sd hw/sd/omap_mmc: Don't use sd_cmd_type_t 2024-10-29 15:04:46 +00:00
sensor
sh4 hw/sh4: Remove sh7750_register_io_device() helper 2024-09-13 20:10:49 +02:00
southbridge hw/acpi/ich9: Add periodic and swsmi timer 2024-09-11 09:46:14 -04:00
sparc
ssi aspeed/smc: Fix write incorrect data into flash in user mode 2024-10-24 07:57:47 +02:00
timer
tricore
usb hw/usb: Remove MUSB USB host controller 2024-10-01 14:43:02 +01:00
vfio vfio/common: Allow disabling device dirty page tracking 2024-07-23 17:14:53 +02:00
virtio virtio-pci: fix memory_region_find for VirtIOPCIRegion's MR 2024-11-04 16:03:24 -05:00
watchdog aspeed/wdt: Add AST2700 support 2024-06-16 21:08:54 +02:00
xen hw/xen: xenpvh: Disable buffered IOREQs for ARM 2024-10-03 19:37:35 +02:00
xtensa
boards.h reset: Use ResetType for qemu_devices_reset() and MachineClass::reset() 2024-09-24 11:33:34 +02:00
clock.h hw/clock: Let clock_set_mul_div() return a boolean value 2024-03-26 14:24:06 +01:00
elf_ops.h.inc hw/elf_ops: Rename elf_ops.h -> elf_ops.h.inc 2024-04-25 12:48:12 +02:00
fw-path-provider.h
hotplug.h
hw.h
irq.h hw: Move declaration of IRQState to header and add init function 2024-09-11 07:20:30 -04:00
loader-fit.h
loader.h loader: remove load_image_gzipped function as its not used anywhere 2024-07-16 20:04:08 +02:00
nmi.h
or-irq.h
platform-bus.h
ptimer.h
qdev-clock.h
qdev-core.h qapi: introduce device-sync-config 2024-11-04 16:03:24 -05:00
qdev-dma.h
qdev-properties-system.h qapi/machine: Rename CpuS390* to S390Cpu*, and drop 'prefix' 2024-09-10 13:22:47 +02:00
qdev-properties.h
register.h
registerfields.h
resettable.h reset: Add RESET_TYPE_WAKEUP 2024-09-24 11:33:35 +02:00
stream.h
sysbus.h hw/sysbus: Remove unused sysbus_mmio_unmap 2024-09-20 10:01:40 +03:00
usb.h
vmstate-if.h