| Message ID | 20240315-reuse-v9-0-67aa69af4d53@daynix.com |
|---|---|
| Headers | show |
| Series | hw/pci: SR-IOV related fixes and improvements | expand |
On Fri, Mar 15, 2024 at 12:57:47PM +0900, Akihiko Odaki wrote: > I submitted a RFC series[1] to add support for SR-IOV emulation to > virtio-net-pci. During the development of the series, I fixed some > trivial bugs and made improvements that I think are independently > useful. This series extracts those fixes and improvements from the RFC > series. I picked 1-8 but still see no point in 9-11. Actually checking whether value was specified seems cleaner and more robust than tricks using a special value. I would like to actually see it generalized so we do not need to use special hacks like on/off/auto. > [1]: https://patchew.org/QEMU/20231210-sriov-v2-0-b959e8a6dfaf@daynix.com/ > > Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com> > --- > Changes in v9: > - Rebased. > - Restored '#include "qapi/error.h"' (Michael S. Tsirkin) > - Added patch "pcie_sriov: Ensure VF function number does not overflow" > to fix abortion with wrong PF addr. > - Link to v8: https://lore.kernel.org/r/20240228-reuse-v8-0-282660281e60@daynix.com > > Changes in v8: > - Clarified that "hw/pci: Replace -1 with UINT32_MAX for romsize" is > not a bug fix. (Markus Armbruster) > - Squashed patch "vfio: Avoid inspecting option QDict for rombar" into > "hw/pci: Determine if rombar is explicitly enabled". > (Markus Armbruster) > - Noted the minor semantics change for patch "hw/pci: Determine if > rombar is explicitly enabled". (Markus Armbruster) > - Link to v7: https://lore.kernel.org/r/20240224-reuse-v7-0-29c14bcb952e@daynix.com > > Changes in v7: > - Replaced -1 with UINT32_MAX when expressing uint32_t. > (Markus Armbruster) > - Added patch "hw/pci: Replace -1 with UINT32_MAX for romsize". > - Link to v6: https://lore.kernel.org/r/20240220-reuse-v6-0-2e42a28b0cf2@daynix.com > > Changes in v6: > - Fixed migration. > - Added patch "pcie_sriov: Do not manually unrealize". > - Restored patch "pcie_sriov: Release VFs failed to realize" that was > missed in v5. > - Link to v5: https://lore.kernel.org/r/20240218-reuse-v5-0-e4fc1c19b5a9@daynix.com > > Changes in v5: > - Added patch "hw/pci: Always call pcie_sriov_pf_reset()". > - Added patch "pcie_sriov: Reset SR-IOV extended capability". > - Removed a reference to PCI_SRIOV_CTRL_VFE in hw/nvme. > (Michael S. Tsirkin) > - Noted the impact on the guest of patch "pcie_sriov: Do not reset > NumVFs after unregistering VFs". (Michael S. Tsirkin) > - Changed to use pcie_sriov_num_vfs(). > - Restored pci_set_power() and changed it to call pci_set_enabled() only > for PFs with an expalanation. (Michael S. Tsirkin) > - Reordered patches. > - Link to v4: https://lore.kernel.org/r/20240214-reuse-v4-0-89ad093a07f4@daynix.com > > Changes in v4: > - Reverted the change to pci_rom_bar_explicitly_enabled(). > (Michael S. Tsirkin) > - Added patch "pcie_sriov: Do not reset NumVFs after unregistering VFs". > - Added patch "hw/nvme: Refer to dev->exp.sriov_pf.num_vfs". > - Link to v3: https://lore.kernel.org/r/20240212-reuse-v3-0-8017b689ce7f@daynix.com > > Changes in v3: > - Extracted patch "hw/pci: Use -1 as a default value for rombar" from > patch "hw/pci: Determine if rombar is explicitly enabled" > (Philippe Mathieu-Daudé) > - Added an audit result of PCIDevice::rom_bar to the message of patch > "hw/pci: Use -1 as a default value for rombar" > (Philippe Mathieu-Daudé) > - Link to v2: https://lore.kernel.org/r/20240210-reuse-v2-0-24ba2a502692@daynix.com > > Changes in v2: > - Reset after enabling a function so that NVMe VF state gets updated. > - Link to v1: https://lore.kernel.org/r/20240203-reuse-v1-0-5be8c5ce6338@daynix.com > > --- > Akihiko Odaki (11): > hw/pci: Rename has_power to enabled > pcie_sriov: Do not manually unrealize > pcie_sriov: Ensure VF function number does not overflow > pcie_sriov: Reuse SR-IOV VF device instances > pcie_sriov: Release VFs failed to realize > pcie_sriov: Remove num_vfs from PCIESriovPF > pcie_sriov: Register VFs after migration > hw/pci: Replace -1 with UINT32_MAX for romsize > hw/pci: Use UINT32_MAX as a default value for rombar > hw/pci: Determine if rombar is explicitly enabled > hw/qdev: Remove opts member > > docs/pcie_sriov.txt | 8 ++- > include/hw/pci/pci.h | 2 +- > include/hw/pci/pci_device.h | 22 ++++++- > include/hw/pci/pcie_sriov.h | 9 +-- > include/hw/qdev-core.h | 4 -- > hw/core/qdev.c | 1 - > hw/net/igb.c | 13 +++- > hw/nvme/ctrl.c | 24 ++++--- > hw/pci/pci.c | 31 +++++---- > hw/pci/pci_host.c | 4 +- > hw/pci/pcie_sriov.c | 149 ++++++++++++++++++++++++-------------------- > hw/vfio/pci.c | 3 +- > hw/xen/xen_pt_load_rom.c | 2 +- > system/qdev-monitor.c | 12 ++-- > hw/pci/trace-events | 2 +- > 15 files changed, 172 insertions(+), 114 deletions(-) > --- > base-commit: ba49d760eb04630e7b15f423ebecf6c871b8f77b > change-id: 20240129-reuse-faae22b11934 > > Best regards, > -- > Akihiko Odaki <akihiko.odaki@daynix.com>
I submitted a RFC series[1] to add support for SR-IOV emulation to virtio-net-pci. During the development of the series, I fixed some trivial bugs and made improvements that I think are independently useful. This series extracts those fixes and improvements from the RFC series. [1]: https://patchew.org/QEMU/20231210-sriov-v2-0-b959e8a6dfaf@daynix.com/ Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com> --- Changes in v9: - Rebased. - Restored '#include "qapi/error.h"' (Michael S. Tsirkin) - Added patch "pcie_sriov: Ensure VF function number does not overflow" to fix abortion with wrong PF addr. - Link to v8: https://lore.kernel.org/r/20240228-reuse-v8-0-282660281e60@daynix.com Changes in v8: - Clarified that "hw/pci: Replace -1 with UINT32_MAX for romsize" is not a bug fix. (Markus Armbruster) - Squashed patch "vfio: Avoid inspecting option QDict for rombar" into "hw/pci: Determine if rombar is explicitly enabled". (Markus Armbruster) - Noted the minor semantics change for patch "hw/pci: Determine if rombar is explicitly enabled". (Markus Armbruster) - Link to v7: https://lore.kernel.org/r/20240224-reuse-v7-0-29c14bcb952e@daynix.com Changes in v7: - Replaced -1 with UINT32_MAX when expressing uint32_t. (Markus Armbruster) - Added patch "hw/pci: Replace -1 with UINT32_MAX for romsize". - Link to v6: https://lore.kernel.org/r/20240220-reuse-v6-0-2e42a28b0cf2@daynix.com Changes in v6: - Fixed migration. - Added patch "pcie_sriov: Do not manually unrealize". - Restored patch "pcie_sriov: Release VFs failed to realize" that was missed in v5. - Link to v5: https://lore.kernel.org/r/20240218-reuse-v5-0-e4fc1c19b5a9@daynix.com Changes in v5: - Added patch "hw/pci: Always call pcie_sriov_pf_reset()". - Added patch "pcie_sriov: Reset SR-IOV extended capability". - Removed a reference to PCI_SRIOV_CTRL_VFE in hw/nvme. (Michael S. Tsirkin) - Noted the impact on the guest of patch "pcie_sriov: Do not reset NumVFs after unregistering VFs". (Michael S. Tsirkin) - Changed to use pcie_sriov_num_vfs(). - Restored pci_set_power() and changed it to call pci_set_enabled() only for PFs with an expalanation. (Michael S. Tsirkin) - Reordered patches. - Link to v4: https://lore.kernel.org/r/20240214-reuse-v4-0-89ad093a07f4@daynix.com Changes in v4: - Reverted the change to pci_rom_bar_explicitly_enabled(). (Michael S. Tsirkin) - Added patch "pcie_sriov: Do not reset NumVFs after unregistering VFs". - Added patch "hw/nvme: Refer to dev->exp.sriov_pf.num_vfs". - Link to v3: https://lore.kernel.org/r/20240212-reuse-v3-0-8017b689ce7f@daynix.com Changes in v3: - Extracted patch "hw/pci: Use -1 as a default value for rombar" from patch "hw/pci: Determine if rombar is explicitly enabled" (Philippe Mathieu-Daudé) - Added an audit result of PCIDevice::rom_bar to the message of patch "hw/pci: Use -1 as a default value for rombar" (Philippe Mathieu-Daudé) - Link to v2: https://lore.kernel.org/r/20240210-reuse-v2-0-24ba2a502692@daynix.com Changes in v2: - Reset after enabling a function so that NVMe VF state gets updated. - Link to v1: https://lore.kernel.org/r/20240203-reuse-v1-0-5be8c5ce6338@daynix.com --- Akihiko Odaki (11): hw/pci: Rename has_power to enabled pcie_sriov: Do not manually unrealize pcie_sriov: Ensure VF function number does not overflow pcie_sriov: Reuse SR-IOV VF device instances pcie_sriov: Release VFs failed to realize pcie_sriov: Remove num_vfs from PCIESriovPF pcie_sriov: Register VFs after migration hw/pci: Replace -1 with UINT32_MAX for romsize hw/pci: Use UINT32_MAX as a default value for rombar hw/pci: Determine if rombar is explicitly enabled hw/qdev: Remove opts member docs/pcie_sriov.txt | 8 ++- include/hw/pci/pci.h | 2 +- include/hw/pci/pci_device.h | 22 ++++++- include/hw/pci/pcie_sriov.h | 9 +-- include/hw/qdev-core.h | 4 -- hw/core/qdev.c | 1 - hw/net/igb.c | 13 +++- hw/nvme/ctrl.c | 24 ++++--- hw/pci/pci.c | 31 +++++---- hw/pci/pci_host.c | 4 +- hw/pci/pcie_sriov.c | 149 ++++++++++++++++++++++++-------------------- hw/vfio/pci.c | 3 +- hw/xen/xen_pt_load_rom.c | 2 +- system/qdev-monitor.c | 12 ++-- hw/pci/trace-events | 2 +- 15 files changed, 172 insertions(+), 114 deletions(-) --- base-commit: ba49d760eb04630e7b15f423ebecf6c871b8f77b change-id: 20240129-reuse-faae22b11934 Best regards,