Allow XEN_SYSCTL_nvdimm_pmem_get_regions_nr to return the number of
management PMEM regions.
Signed-off-by: Haozhong Zhang <haozhong.zh...@intel.com>
---
Cc: Ian Jackson <ian.jack...@eu.citrix.com>
Cc: Wei Liu <wei.l...@citrix.com>
Cc: Andrew Cooper <andrew.coop...@citrix.com>
Cc: Jan Beulich <jbeul...@suse.com>
---
tools/libxc/xc_misc.c | 4 +++-
xen/common/pmem.c | 4 ++++
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/tools/libxc/xc_misc.c b/tools/libxc/xc_misc.c
index bebe6d04c8..4b5558aaa5 100644
--- a/tools/libxc/xc_misc.c
+++ b/tools/libxc/xc_misc.c
@@ -894,7 +894,9 @@ int xc_nvdimm_pmem_get_regions_nr(xc_interface *xch,
uint8_t type, uint32_t *nr)
xen_sysctl_nvdimm_op_t *nvdimm = &sysctl.u.nvdimm;
int rc;
- if ( !nr || type != PMEM_REGION_TYPE_RAW )
+ if ( !nr ||
+ (type != PMEM_REGION_TYPE_RAW &&
+ type != PMEM_REGION_TYPE_MGMT) )
return -EINVAL;
sysctl.cmd = XEN_SYSCTL_nvdimm_op;
diff --git a/xen/common/pmem.c b/xen/common/pmem.c
index 7a081c2879..54b3e7119a 100644
--- a/xen/common/pmem.c
+++ b/xen/common/pmem.c
@@ -142,6 +142,10 @@ static int
pmem_get_regions_nr(xen_sysctl_nvdimm_pmem_regions_nr_t *regions_nr)
regions_nr->num_regions = nr_raw_regions;
break;
+ case PMEM_REGION_TYPE_MGMT:
+ regions_nr->num_regions = nr_mgmt_regions;
+ break;
+
default:
rc = -EINVAL;
}
--
2.14.1
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