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[PATCH v2 3/3] [FUTURE] xen/arm: enable vPCI for domUs
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Stewart Hildebrand <stewart.hildebrand@xxxxxxx>
- Date: Thu, 6 Jul 2023 21:47:50 -0400
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- Cc: Stewart Hildebrand <stewart.hildebrand@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, "Oleksandr Tyshchenko" <oleksandr_tyshchenko@xxxxxxxx>, Artem Mygaiev <artem_mygaiev@xxxxxxxx>
- Delivery-date: Fri, 07 Jul 2023 01:49:59 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Remove is_hardware_domain check in has_vpci, and select HAS_VPCI_GUEST_SUPPORT
in Kconfig.
[1] https://lists.xenproject.org/archives/html/xen-devel/2023-06/msg00863.html
Signed-off-by: Stewart Hildebrand <stewart.hildebrand@xxxxxxx>
---
As the tag implies, this patch is not intended to be merged (yet).
Note that CONFIG_HAS_VPCI_GUEST_SUPPORT is not currently used in the upstream
code base. It will be used by the vPCI series [1]. This patch is intended to be
merged as part of the vPCI series.
v1->v2:
* new patch
---
xen/arch/arm/Kconfig | 1 +
xen/arch/arm/include/asm/domain.h | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/xen/arch/arm/Kconfig b/xen/arch/arm/Kconfig
index 4e0cc421ad48..75dfa2f5a82d 100644
--- a/xen/arch/arm/Kconfig
+++ b/xen/arch/arm/Kconfig
@@ -195,6 +195,7 @@ config PCI_PASSTHROUGH
depends on ARM_64
select HAS_PCI
select HAS_VPCI
+ select HAS_VPCI_GUEST_SUPPORT
default n
help
This option enables PCI device passthrough
diff --git a/xen/arch/arm/include/asm/domain.h
b/xen/arch/arm/include/asm/domain.h
index 1a13965a26b8..6e016b00bae1 100644
--- a/xen/arch/arm/include/asm/domain.h
+++ b/xen/arch/arm/include/asm/domain.h
@@ -298,7 +298,7 @@ static inline void arch_vcpu_block(struct vcpu *v) {}
#define arch_vm_assist_valid_mask(d) (1UL << VMASST_TYPE_runstate_update_flag)
-#define has_vpci(d) ({ IS_ENABLED(CONFIG_HAS_VPCI) && is_hardware_domain(d); })
+#define has_vpci(d) ({ (void)(d); IS_ENABLED(CONFIG_HAS_VPCI); })
struct arch_vcpu_io {
struct instr_details dabt_instr; /* when the instruction is decoded */
--
2.41.0
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