@@ -73,6 +73,8 @@ enum {
SANITIZE = 0x44,
#define OVERWRITE 0x0
#define SECURE_ERASE 0x1
+ PERSISTENT_MEM = 0x45,
+ #define GET_SECURITY_STATE 0x0
MEDIA_AND_POISON = 0x43,
#define GET_POISON_LIST 0x0
#define INJECT_POISON 0x1
@@ -886,6 +888,19 @@ static CXLRetCode cmd_sanitize_overwrite(const struct cxl_cmd *cmd,
}
}
+static CXLRetCode cmd_get_security_state(const struct cxl_cmd *cmd,
+ uint8_t *payload_in,
+ size_t len_in,
+ uint8_t *payload_out,
+ size_t *len_out,
+ CXLCCI *cci)
+{
+ uint32_t *state = (uint32_t *)payload_out;
+
+ *state = 0;
+ *len_out = 4;
+ return CXL_MBOX_SUCCESS;
+}
/*
* This is very inefficient, but good enough for now!
* Also the payload will always fit, so no need to handle the MORE flag and
@@ -1132,6 +1147,8 @@ static const struct cxl_cmd cxl_cmd_set[256][256] = {
~0, IMMEDIATE_CONFIG_CHANGE | IMMEDIATE_DATA_CHANGE },
[SANITIZE][OVERWRITE] = { "SANITIZE_OVERWRITE", cmd_sanitize_overwrite, 0,
IMMEDIATE_DATA_CHANGE | SECURITY_STATE_CHANGE | BACKGROUND_OPERATION },
+ [PERSISTENT_MEM][GET_SECURITY_STATE] = { "GET_SECURITY_STATE",
+ cmd_get_security_state, 0, 0 },
[MEDIA_AND_POISON][GET_POISON_LIST] = { "MEDIA_AND_POISON_GET_POISON_LIST",
cmd_media_get_poison_list, 16, 0 },
[MEDIA_AND_POISON][INJECT_POISON] = { "MEDIA_AND_POISON_INJECT_POISON",
Needed to allow the santize comamnds to be tested with proposed Linux Kernel support. Default value + no control of the security state will work for now. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> --- hw/cxl/cxl-mailbox-utils.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)