diff options
Diffstat (limited to 'drivers/cxl/core/hdm.c')
| -rw-r--r-- | drivers/cxl/core/hdm.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/cxl/core/hdm.c b/drivers/cxl/core/hdm.c index 0a294e8c77a9..d3d338509d96 100644 --- a/drivers/cxl/core/hdm.c +++ b/drivers/cxl/core/hdm.c @@ -640,6 +640,25 @@ static int cxl_decoder_commit(struct cxl_decoder *cxld) return -EBUSY; } + /* + * For endpoint decoders hosted on CXL memory devices that + * support the sanitize operation, make sure sanitize is not in-flight. + */ + if (is_endpoint_decoder(&cxld->dev)) { + struct cxl_endpoint_decoder *cxled = + to_cxl_endpoint_decoder(&cxld->dev); + struct cxl_memdev *cxlmd = cxled_to_memdev(cxled); + struct cxl_memdev_state *mds = + to_cxl_memdev_state(cxlmd->cxlds); + + if (mds && mds->security.sanitize_active) { + dev_dbg(&cxlmd->dev, + "attempted to commit %s during sanitize\n", + dev_name(&cxld->dev)); + return -EBUSY; + } + } + down_read(&cxl_dpa_rwsem); /* common decoder settings */ ctrl = readl(hdm + CXL_HDM_DECODER0_CTRL_OFFSET(cxld->id)); |