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authorDavidlohr Bueso <dave@stgolabs.net>2023-06-12 21:10:38 +0300
committerDan Williams <dan.j.williams@intel.com>2023-06-26 01:35:16 +0300
commitf337043b56e0e97c5c67b95ea32886b95b049181 (patch)
tree44a61135bc04ad25777556dc11cb8fb23ec652fe /tools/testing/cxl
parent180ffd338c35057c3e8521d55555ae3b36b67fa6 (diff)
downloadlinux-f337043b56e0e97c5c67b95ea32886b95b049181.tar.xz
cxl/test: Add Secure Erase opcode support
Add support to emulate the CXL the "Secure Erase" operation. Reviewed-by: Dave Jiang <dave.jiang@intel.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Davidlohr Bueso <dave@stgolabs.net> Link: https://lore.kernel.org/r/20230612181038.14421-8-dave@stgolabs.net Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'tools/testing/cxl')
-rw-r--r--tools/testing/cxl/test/mem.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/tools/testing/cxl/test/mem.c b/tools/testing/cxl/test/mem.c
index faa484ea5b0b..97de0d3b2fd0 100644
--- a/tools/testing/cxl/test/mem.c
+++ b/tools/testing/cxl/test/mem.c
@@ -557,6 +557,30 @@ static int mock_sanitize(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd *cmd)
return 0; /* assume less than 2 secs, no bg */
}
+static int mock_secure_erase(struct cxl_dev_state *cxlds,
+ struct cxl_mbox_cmd *cmd)
+{
+ struct cxl_mockmem_data *mdata = dev_get_drvdata(cxlds->dev);
+
+ if (cmd->size_in != 0)
+ return -EINVAL;
+
+ if (cmd->size_out != 0)
+ return -EINVAL;
+
+ if (mdata->security_state & CXL_PMEM_SEC_STATE_USER_PASS_SET) {
+ cmd->return_code = CXL_MBOX_CMD_RC_SECURITY;
+ return -ENXIO;
+ }
+
+ if (mdata->security_state & CXL_PMEM_SEC_STATE_LOCKED) {
+ cmd->return_code = CXL_MBOX_CMD_RC_SECURITY;
+ return -ENXIO;
+ }
+
+ return 0;
+}
+
static int mock_get_security_state(struct cxl_dev_state *cxlds,
struct cxl_mbox_cmd *cmd)
{
@@ -1178,6 +1202,9 @@ static int cxl_mock_mbox_send(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd *
case CXL_MBOX_OP_SANITIZE:
rc = mock_sanitize(cxlds, cmd);
break;
+ case CXL_MBOX_OP_SECURE_ERASE:
+ rc = mock_secure_erase(cxlds, cmd);
+ break;
case CXL_MBOX_OP_GET_SECURITY_STATE:
rc = mock_get_security_state(cxlds, cmd);
break;