diff options
Diffstat (limited to 'drivers/cxl')
| -rw-r--r-- | drivers/cxl/mem.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/cxl/mem.c b/drivers/cxl/mem.c index 1b5078311f7d..2acc6173da36 100644 --- a/drivers/cxl/mem.c +++ b/drivers/cxl/mem.c @@ -4,6 +4,7 @@ #include <linux/security.h> #include <linux/debugfs.h> #include <linux/module.h> +#include <linux/sizes.h> #include <linux/mutex.h> #include <linux/cdev.h> #include <linux/idr.h> @@ -1419,6 +1420,7 @@ out: */ static int cxl_mem_identify(struct cxl_mem *cxlm) { + /* See CXL 2.0 Table 175 Identify Memory Device Output Payload */ struct cxl_mbox_identify { char fw_revision[0x10]; __le64 total_capacity; @@ -1447,10 +1449,11 @@ static int cxl_mem_identify(struct cxl_mem *cxlm) * For now, only the capacity is exported in sysfs */ cxlm->ram_range.start = 0; - cxlm->ram_range.end = le64_to_cpu(id.volatile_capacity) - 1; + cxlm->ram_range.end = le64_to_cpu(id.volatile_capacity) * SZ_256M - 1; cxlm->pmem_range.start = 0; - cxlm->pmem_range.end = le64_to_cpu(id.persistent_capacity) - 1; + cxlm->pmem_range.end = + le64_to_cpu(id.persistent_capacity) * SZ_256M - 1; memcpy(cxlm->firmware_version, id.fw_revision, sizeof(id.fw_revision)); |