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[PATCH 24/37] xen/arm: implement two arch helpers to get memory map info
- To: <wei.chen@xxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>, <sstabellini@xxxxxxxxxx>, <julien@xxxxxxx>
- From: Wei Chen <wei.chen@xxxxxxx>
- Date: Thu, 23 Sep 2021 20:02:23 +0800
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- Cc: <Bertrand.Marquis@xxxxxxx>
- Delivery-date: Thu, 23 Sep 2021 12:17:44 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Nodisclaimer: true
These two helpers are architecture APIs that are required by
nodes_cover_memory.
Signed-off-by: Wei Chen <wei.chen@xxxxxxx>
---
xen/arch/arm/numa.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/xen/arch/arm/numa.c b/xen/arch/arm/numa.c
index 3f08870d69..3755b01ef4 100644
--- a/xen/arch/arm/numa.c
+++ b/xen/arch/arm/numa.c
@@ -67,3 +67,17 @@ uint8_t __node_distance(nodeid_t from, nodeid_t to)
return node_distance_map[from][to];
}
EXPORT_SYMBOL(__node_distance);
+
+uint32_t __init arch_meminfo_get_nr_bank(void)
+{
+ return bootinfo.mem.nr_banks;
+}
+
+int __init arch_meminfo_get_ram_bank_range(uint32_t bank,
+ paddr_t *start, paddr_t *end)
+{
+ *start = bootinfo.mem.bank[bank].start;
+ *end = bootinfo.mem.bank[bank].start + bootinfo.mem.bank[bank].size;
+
+ return 0;
+}
--
2.25.1
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