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[PATCH v2 04/17] xen/arm: use arch_get_ram_range to memory ranges from bootinfo
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Wei Chen <wei.chen@xxxxxxx>
- Date: Tue, 10 Jan 2023 16:49:17 +0800
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- Cc: <nd@xxxxxxx>, Wei Chen <wei.chen@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- Delivery-date: Tue, 10 Jan 2023 08:54:09 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Nodisclaimer: true
Implement the same helper "arch_get_ram_range" as x86 for NUMA
code to get memory bank from Arm bootinfo.
Signed-off-by: Wei Chen <wei.chen@xxxxxxx>
---
v2 -> v3:
1. Use arch_get_ram_range instead of arch_get_memory_map.
v1 -> v2:
1. Use arch_get_memory_map to replace arch_get_memory_bank_range
and arch_get_memory_bank_number.
---
xen/arch/arm/numa.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/xen/arch/arm/numa.c b/xen/arch/arm/numa.c
index 34851ceacf..dcfcd85fcf 100644
--- a/xen/arch/arm/numa.c
+++ b/xen/arch/arm/numa.c
@@ -92,3 +92,14 @@ unsigned char __node_distance(nodeid_t from, nodeid_t to)
}
EXPORT_SYMBOL(__node_distance);
+
+int __init arch_get_ram_range(unsigned int idx, paddr_t *start, paddr_t *end)
+{
+ if ( idx >= bootinfo.mem.nr_banks )
+ return -ENOENT;
+
+ *start = bootinfo.mem.bank[idx].start;
+ *end = *start + bootinfo.mem.bank[idx].size;
+
+ return 0;
+}
--
2.25.1
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