On Tue, 08 Nov 2022 10:26:07 -0700
Dave Jiang <dave.ji...@intel.com> wrote:
> Add support to emulate a CXL mem device support the "Freeze Security State"
> operation.
>
> Signed-off-by: Dave Jiang <dave.ji...@intel.com>
Reviewed-by: Jonathan Cameron <jonathan.came...@huawei.com>
Thanks,
Jonathan
> ---
> tools/testing/cxl/test/mem.c | 20 ++++++++++++++++++++
> 1 file changed, 20 insertions(+)
>
> diff --git a/tools/testing/cxl/test/mem.c b/tools/testing/cxl/test/mem.c
> index d8bb30d82a8f..0cb2e3035636 100644
> --- a/tools/testing/cxl/test/mem.c
> +++ b/tools/testing/cxl/test/mem.c
> @@ -303,6 +303,23 @@ 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;
> @@ -405,6 +422,9 @@ 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;
> }
>
>
