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[PATCH] arm/vpci: make prefetchable mem 64 bit
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Stewart Hildebrand <stewart.hildebrand@xxxxxxx>
- Date: Wed, 24 Apr 2024 12:27:22 -0400
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- Cc: Stewart Hildebrand <stewart.hildebrand@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, "Volodymyr Babchuk" <Volodymyr_Babchuk@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Wed, 24 Apr 2024 16:28:00 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
The vPCI prefetchable memory range is >= 4GB, so the memory space flags
should be set to 64-bit. See IEEE Std 1275-1994 [1] for a definition of
the field.
[1] https://www.devicetree.org/open-firmware/bindings/pci/pci2_1.pdf
Signed-off-by: Stewart Hildebrand <stewart.hildebrand@xxxxxxx>
---
xen/include/public/arch-arm.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/xen/include/public/arch-arm.h b/xen/include/public/arch-arm.h
index e167e14f8df9..289af81bd69d 100644
--- a/xen/include/public/arch-arm.h
+++ b/xen/include/public/arch-arm.h
@@ -487,7 +487,7 @@ typedef uint64_t xen_callback_t;
#define GUEST_RAM0_SIZE xen_mk_ullong(0xc0000000)
/* 4GB @ 4GB Prefetch Memory for VPCI */
-#define GUEST_VPCI_ADDR_TYPE_PREFETCH_MEM xen_mk_ullong(0x42000000)
+#define GUEST_VPCI_ADDR_TYPE_PREFETCH_MEM xen_mk_ullong(0x43000000)
#define GUEST_VPCI_PREFETCH_MEM_ADDR xen_mk_ullong(0x100000000)
#define GUEST_VPCI_PREFETCH_MEM_SIZE xen_mk_ullong(0x100000000)
base-commit: 410ef3343924b5a3928bbe8e392491992b322cf0
--
2.43.2
|
