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qemu / qemu / e2a6290aab578b2170c1f5909fa556385dc0d820
commite2a6290aab578b2170c1f5909fa556385dc0d820[log] [tgz]
authorMarcel Apfelbaum <marcel.apfelbaum@gmail.com>Mon Aug 02 12:00:57 2021 +0300
committerMichael S. Tsirkin <mst@redhat.com>Tue Aug 03 16:31:07 2021 -0400
tree84a41ad38b67a0bb418aa9e4c3162d0bdc4437c5
parentf2da205cb4142259d9bc6b9d4596ebbe2426fe49 [diff]
hw/pcie-root-port: Fix hotplug for PCI devices requiring IO

Q35 has now ACPI hotplug enabled by default for PCI(e) devices.
As opposed to native PCIe hotplug, guests like Fedora 34
will not assign IO range to pcie-root-ports not supporting
native hotplug, resulting into a regression.

Reproduce by:
    qemu-bin -M q35 -device pcie-root-port,id=p1 -monitor stdio
    device_add e1000,bus=p1
In the Guest OS the respective pcie-root-port will have the IO range
disabled.

Fix it by setting the "reserve-io" hint capability of the
pcie-root-ports so the firmware will allocate the IO range instead.

Acked-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Message-Id: <20210802090057.1709775-1-marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
1 file changed
tree: 84a41ad38b67a0bb418aa9e4c3162d0bdc4437c5
  1. .github/
  2. .gitlab/
  3. .gitlab-ci.d/
  4. accel/
  5. audio/
  6. authz/
  7. backends/
  8. block/
  9. bsd-user/
  10. chardev/
  11. configs/
  12. contrib/
  13. crypto/
  14. disas/
  15. docs/
  16. dump/
  17. ebpf/
  18. fpu/
  19. fsdev/
  20. gdb-xml/
  21. hw/
  22. include/
  23. io/
  24. libdecnumber/
  25. linux-headers/
  26. linux-user/
  27. migration/
  28. monitor/
  29. nbd/
  30. net/
  31. pc-bios/
  32. plugins/
  33. po/
  34. python/
  35. qapi/
  36. qga/
  37. qobject/
  38. qom/
  39. replay/
  40. roms/
  41. scripts/
  42. scsi/
  43. semihosting/
  44. softmmu/
  45. storage-daemon/
  46. stubs/
  47. subprojects/
  48. target/
  49. tcg/
  50. tests/
  51. tools/
  52. trace/
  53. ui/
  54. util/
  55. capstone
  56. dtc
  57. meson
  58. slirp
  59. .cirrus.yml
  60. .dir-locals.el
  61. .editorconfig
  62. .exrc
  63. .gdbinit
  64. .gitattributes
  65. .gitignore
  66. .gitlab-ci.yml
  67. .gitmodules
  68. .gitpublish
  69. .mailmap
  70. .patchew.yml
  71. .readthedocs.yml
  72. .travis.yml
  73. block.c
  74. blockdev-nbd.c
  75. blockdev.c
  76. blockjob.c
  77. configure
  78. COPYING
  79. COPYING.LIB
  80. cpu.c
  81. cpus-common.c
  82. disas.c
  83. gdbstub.c
  84. gitdm.config
  85. hmp-commands-info.hx
  86. hmp-commands.hx
  87. iothread.c
  88. job-qmp.c
  89. job.c
  90. Kconfig
  91. Kconfig.host
  92. LICENSE
  93. MAINTAINERS
  94. Makefile
  95. memory_ldst.c.inc
  96. meson.build
  97. meson_options.txt
  98. module-common.c
  99. os-posix.c
  100. os-win32.c
  101. page-vary-common.c
  102. page-vary.c
  103. qemu-bridge-helper.c
  104. qemu-edid.c
  105. qemu-img-cmds.hx
  106. qemu-img.c
  107. qemu-io-cmds.c
  108. qemu-io.c
  109. qemu-keymap.c
  110. qemu-nbd.c
  111. qemu-options.hx
  112. qemu.nsi
  113. qemu.sasl
  114. README.rst
  115. replication.c
  116. thunk.c
  117. trace-events
  118. VERSION
  119. version.rc