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[PATCH v7 0/8] Support hiding capability when its initialization fails


  • To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Jiqian Chen <Jiqian.Chen@xxxxxxx>
  • Date: Fri, 4 Jul 2025 15:07:55 +0800
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  • Cc: Huang Rui <ray.huang@xxxxxxx>, Jiqian Chen <Jiqian.Chen@xxxxxxx>, "Andrew Cooper" <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, "Stefano Stabellini" <sstabellini@xxxxxxxxxx>
  • Delivery-date: Fri, 04 Jul 2025 07:08:40 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

Hi,

This series is to
emulate extended capability list for dom0, including patch #1.
hide legacy and extended capability when its initialization fails, including 
patch #2, #3, #4.
remove all related registers and other resources when initializing capability 
fails, including patch #5, #6, #7, #8.

Best regards,
Jiqian Chen.
---
cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
cc: Anthony PERARD <anthony.perard@xxxxxxxxxx>
cc: Michal Orzel <michal.orzel@xxxxxxx>
cc: Jan Beulich <jbeulich@xxxxxxxx>
cc: Julien Grall <julien@xxxxxxx>
cc: "Roger Pau Monné" <roger.pau@xxxxxxxxxx>
cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
Jiqian Chen (8):
  vpci/header: Emulate extended capability list for dom0
  vpci: Refactor REGISTER_VPCI_INIT
  vpci: Hide legacy capability when it fails to initialize
  vpci: Hide extended capability when it fails to initialize
  vpci: Refactor vpci_remove_register to remove matched registers
  vpci/rebar: Free Rebar resources when init_rebar() fails
  vpci/msi: Free MSI resources when init_msi() fails
  vpci/msix: Free MSIX resources when init_msix() fails

 tools/tests/vpci/main.c    |   4 +-
 xen/arch/arm/xen.lds.S     |   3 +-
 xen/arch/ppc/xen.lds.S     |   3 +-
 xen/arch/riscv/xen.lds.S   |   3 +-
 xen/arch/x86/xen.lds.S     |   2 +-
 xen/drivers/vpci/header.c  |  60 +++++---
 xen/drivers/vpci/msi.c     | 111 ++++++++++++---
 xen/drivers/vpci/msix.c    |  63 ++++++++-
 xen/drivers/vpci/rebar.c   |  41 ++++--
 xen/drivers/vpci/vpci.c    | 279 +++++++++++++++++++++++++++++++++----
 xen/include/xen/pci_regs.h |   5 +-
 xen/include/xen/vpci.h     |  38 +++--
 xen/include/xen/xen.lds.h  |   2 +-
 13 files changed, 507 insertions(+), 107 deletions(-)

-- 
2.34.1




 


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