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-rw-r--r--hw/cxl/cxl-mailbox-utils.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c
index 2463f239af..2b78136588 100644
--- a/hw/cxl/cxl-mailbox-utils.c
+++ b/hw/cxl/cxl-mailbox-utils.c
@@ -50,6 +50,7 @@
enum {
INFOSTAT = 0x00,
#define IS_IDENTIFY 0x1
+ #define BACKGROUND_OPERATION_STATUS 0x2
EVENTS = 0x01,
#define GET_RECORDS 0x0
#define CLEAR_RECORDS 0x1
@@ -452,6 +453,36 @@ static CXLRetCode cmd_get_physical_port_state(const struct cxl_cmd *cmd,
return CXL_MBOX_SUCCESS;
}
+/* CXL r3.0 8.2.9.1.2 */
+static CXLRetCode cmd_infostat_bg_op_sts(const struct cxl_cmd *cmd,
+ uint8_t *payload_in,
+ size_t len_in,
+ uint8_t *payload_out,
+ size_t *len_out,
+ CXLCCI *cci)
+{
+ struct {
+ uint8_t status;
+ uint8_t rsvd;
+ uint16_t opcode;
+ uint16_t returncode;
+ uint16_t vendor_ext_status;
+ } QEMU_PACKED *bg_op_status;
+ QEMU_BUILD_BUG_ON(sizeof(*bg_op_status) != 8);
+
+ bg_op_status = (void *)payload_out;
+ memset(bg_op_status, 0, sizeof(*bg_op_status));
+ bg_op_status->status = cci->bg.complete_pct << 1;
+ if (cci->bg.runtime > 0) {
+ bg_op_status->status |= 1U << 0;
+ }
+ bg_op_status->opcode = cci->bg.opcode;
+ bg_op_status->returncode = cci->bg.ret_code;
+ *len_out = sizeof(*bg_op_status);
+
+ return CXL_MBOX_SUCCESS;
+}
+
/* 8.2.9.2.1 */
static CXLRetCode cmd_firmware_update_get_info(const struct cxl_cmd *cmd,
uint8_t *payload_in,
@@ -1111,6 +1142,8 @@ static const struct cxl_cmd cxl_cmd_set[256][256] = {
static const struct cxl_cmd cxl_cmd_set_sw[256][256] = {
[INFOSTAT][IS_IDENTIFY] = { "IDENTIFY", cmd_infostat_identify, 0, 0 },
+ [INFOSTAT][BACKGROUND_OPERATION_STATUS] = { "BACKGROUND_OPERATION_STATUS",
+ cmd_infostat_bg_op_sts, 0, 0 },
[TIMESTAMP][GET] = { "TIMESTAMP_GET", cmd_timestamp_get, 0, 0 },
[TIMESTAMP][SET] = { "TIMESTAMP_SET", cmd_timestamp_set, 0,
IMMEDIATE_POLICY_CHANGE },