Re: [libvirt] conf: Allow > UINT_MAX of cache for NUMA nodes

The high-bandwidth memory (HBM) in cache mode might be greater than UINT_MAX of cache per NUMA node, so change to unsigned long long. Signed-off-by: Lin Yang <lin.a.yang(a)intel.com&gt; --- src/conf/capabilities.c | 70 +++++++++++++++++++++++++++-------------- src/conf/numa_conf.c | 2 +- src/conf/numa_conf.h | 2 +- 3 files changed, 48 insertions(+), 26 deletions(-) diff --git a/src/conf/capabilities.c b/src/conf/capabilities.c index e498c77efc..85c06f0d2b 100644 --- a/src/conf/capabilities.c +++ b/src/conf/capabilities.c @@ -1549,10 +1549,10 @@ virCapabilitiesGetNUMAPagesInfo(int node, static int -virCapabilitiesGetNodeCacheReadFile(const char *prefix, - const char *dir, - const char *file, - unsigned int *value) +virCapabilitiesGetNodeCacheReadFileUint(const char *prefix, + const char *dir, + const char *file, + unsigned int *value) { g_autofree char *path = g_build_filename(prefix, dir, file, NULL); int rv = virFileReadValueUint(value, "%s", path); @@ -1570,6 +1570,28 @@ virCapabilitiesGetNodeCacheReadFile(const char *prefix, } +static int +virCapabilitiesGetNodeCacheReadFileUllong(const char *prefix, + const char *dir, + const char *file, + unsigned long long *value) +{ + g_autofree char *path = g_build_filename(prefix, dir, file, NULL); + int rv = virFileReadValueUllong(value, "%s", path); + + if (rv < 0) { + if (rv == -2) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("File '%s' does not exist"), + path); + } + return -1; + } + + return 0; +} + + static int virCapsHostNUMACellCacheComparator(const void *a, const void *b) @@ -1612,18 +1634,18 @@ virCapabilitiesGetNodeCache(int node, return -1; } - if (virCapabilitiesGetNodeCacheReadFile(path, entry->d_name, - "size", &cache.size) < 0) + if (virCapabilitiesGetNodeCacheReadFileUllong(path, entry->d_name, + "size", &cache.size) < 0)