diff mbox series

[v7,08/20] tools/testing/cxl: Add "Freeze Security State" security opcode support

Message ID 166983613604.2734609.1960672960407811362.stgit@djiang5-desk3.ch.intel.com (mailing list archive)
State Accepted
Commit 410926e9d79b4aba516a6677f88e0c35cbbd5b04
Headers show
Series Introduce security commands for CXL pmem device | expand

Commit Message

Dave Jiang Nov. 30, 2022, 7:22 p.m. UTC 
Add support to emulate a CXL mem device support the "Freeze Security State"
operation.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/166863351102.80269.2446125137815258720.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 tools/testing/cxl/test/mem.c |   20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
diff mbox series

Patch

diff --git a/tools/testing/cxl/test/mem.c b/tools/testing/cxl/test/mem.c
index 77774a951a81..45c6e6d3cfbb 100644
--- a/tools/testing/cxl/test/mem.c
+++ b/tools/testing/cxl/test/mem.c
@@ -314,6 +314,23 @@  static int mock_disable_passphrase(struct cxl_dev_state *cxlds, struct cxl_mbox_
 	return 0;
 }
 
+static int mock_freeze_security(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd *cmd)
+{
+	struct cxl_mock_mem_pdata *mdata = dev_get_platdata(cxlds->dev);
+
+	if (cmd->size_in != 0)
+		return -EINVAL;
+
+	if (cmd->size_out != 0)
+		return -EINVAL;
+
+	if (mdata->security_state & CXL_PMEM_SEC_STATE_FROZEN)
+		return 0;
+
+	mdata->security_state |= CXL_PMEM_SEC_STATE_FROZEN;
+	return 0;
+}
+
 static int mock_get_lsa(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd *cmd)
 {
 	struct cxl_mbox_get_lsa *get_lsa = cmd->payload_in;
@@ -418,6 +435,9 @@  static int cxl_mock_mbox_send(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd *
 	case CXL_MBOX_OP_DISABLE_PASSPHRASE:
 		rc = mock_disable_passphrase(cxlds, cmd);
 		break;
+	case CXL_MBOX_OP_FREEZE_SECURITY:
+		rc = mock_freeze_security(cxlds, cmd);
+		break;
 	default:
 		break;
 	}