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[Qemu-devel] [PULL 27/32] nvdimm acpi: check revision
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] [PULL 27/32] nvdimm acpi: check revision |
Date: |
Mon, 13 Jun 2016 23:40:38 +0300 |
From: Xiao Guangrong <address@hidden>
Currently only revision 1 is supported
Signed-off-by: Xiao Guangrong <address@hidden>
Reviewed-by: Stefan Hajnoczi <address@hidden>
Reviewed-by: Michael S. Tsirkin <address@hidden>
Signed-off-by: Michael S. Tsirkin <address@hidden>
---
hw/acpi/nvdimm.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 07c95c1..8b89285 100644
--- a/hw/acpi/nvdimm.c
+++ b/hw/acpi/nvdimm.c
@@ -485,6 +485,13 @@ nvdimm_dsm_write(void *opaque, hwaddr addr, uint64_t val,
unsigned size)
nvdimm_debug("Revision %#x Handler %#x Function %#x.\n", in->revision,
in->handle, in->function);
+ if (in->revision != 0x1 /* Currently we only support DSM Spec Rev1. */) {
+ nvdimm_debug("Revision %#x is not supported, expect %#x.\n",
+ in->revision, 0x1);
+ nvdimm_dsm_no_payload(1 /* Not Supported */, dsm_mem_addr);
+ goto exit;
+ }
+
/* Handle 0 is reserved for NVDIMM Root Device. */
if (!in->handle) {
nvdimm_dsm_root(in, dsm_mem_addr);
--
MST
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