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[PATCH v1 8/8] arm/pci: enable vpci for hwdom when pci-scan is enabled


  • To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Mykyta Poturai <Mykyta_Poturai@xxxxxxxx>
  • Date: Wed, 24 Sep 2025 07:59:24 +0000
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  • Cc: Mykyta Poturai <Mykyta_Poturai@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
  • Delivery-date: Wed, 24 Sep 2025 07:59:36 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
  • Thread-index: AQHcLSkkrFCa0+UvQk64FYmsNCFhTg==
  • Thread-topic: [PATCH v1 8/8] arm/pci: enable vpci for hwdom when pci-scan is enabled

With pci-scan implemented it is now possible to use vpci for hardware
domains. Update has_vpci to reflrect this change.

Signed-off-by: Mykyta Poturai <mykyta_poturai@xxxxxxxx>
---
 xen/arch/arm/include/asm/domain.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/xen/arch/arm/include/asm/domain.h 
b/xen/arch/arm/include/asm/domain.h
index af3e168374..dbe3347cea 100644
--- a/xen/arch/arm/include/asm/domain.h
+++ b/xen/arch/arm/include/asm/domain.h
@@ -305,8 +305,7 @@ static inline void arch_vcpu_block(struct vcpu *v) {}
 
 #define arch_vm_assist_valid_mask(d) (1UL << VMASST_TYPE_runstate_update_flag)
 
-/* vPCI is not available on Arm */
-#define has_vpci(d)    ({ (void)(d); false; })
+#define has_vpci(d)    (is_hardware_domain(d) && hwdom_uses_vpci())
 
 struct arch_vcpu_io {
     struct instr_details dabt_instr; /* when the instruction is decoded */
-- 
2.34.1



 


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