diff options
Diffstat (limited to 'drivers/cxl/security.c')
| -rw-r--r-- | drivers/cxl/security.c | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/drivers/cxl/security.c b/drivers/cxl/security.c index cbd005ceb091..5484d4eecfd1 100644 --- a/drivers/cxl/security.c +++ b/drivers/cxl/security.c @@ -120,17 +120,12 @@ static int cxl_pmem_security_unlock(struct nvdimm *nvdimm, u8 pass[NVDIMM_PASSPHRASE_LEN]; int rc; - if (!cpu_cache_has_invalidate_memregion()) - return -EINVAL; - memcpy(pass, key_data->data, NVDIMM_PASSPHRASE_LEN); rc = cxl_mbox_send_cmd(cxlds, CXL_MBOX_OP_UNLOCK, pass, NVDIMM_PASSPHRASE_LEN, NULL, 0); if (rc < 0) return rc; - /* DIMM unlocked, invalidate all CPU caches before we read it */ - cpu_cache_invalidate_memregion(IORES_DESC_PERSISTENT_MEMORY); return 0; } @@ -144,21 +139,14 @@ static int cxl_pmem_security_passphrase_erase(struct nvdimm *nvdimm, struct cxl_pass_erase erase; int rc; - if (!cpu_cache_has_invalidate_memregion()) - return -EINVAL; - erase.type = ptype == NVDIMM_MASTER ? CXL_PMEM_SEC_PASS_MASTER : CXL_PMEM_SEC_PASS_USER; memcpy(erase.pass, key->data, NVDIMM_PASSPHRASE_LEN); - /* Flush all cache before we erase mem device */ - cpu_cache_invalidate_memregion(IORES_DESC_PERSISTENT_MEMORY); rc = cxl_mbox_send_cmd(cxlds, CXL_MBOX_OP_PASSPHRASE_SECURE_ERASE, &erase, sizeof(erase), NULL, 0); if (rc < 0) return rc; - /* mem device erased, invalidate all CPU caches before data is read */ - cpu_cache_invalidate_memregion(IORES_DESC_PERSISTENT_MEMORY); return 0; } @@ -173,5 +161,3 @@ static const struct nvdimm_security_ops __cxl_security_ops = { }; const struct nvdimm_security_ops *cxl_security_ops = &__cxl_security_ops; - -MODULE_IMPORT_NS(DEVMEM); |