CXL spec 3.2 section 8.2.10.5.5 describes populate log.
It populates the contents of the specified log and can run
as a background operation.
Signed-off-by: Arpit Kumar <arpit1.ku...@samsung.com>
---
hw/cxl/cxl-mailbox-utils.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c
index 1caee3f058..b41b70a790 100644
--- a/hw/cxl/cxl-mailbox-utils.c
+++ b/hw/cxl/cxl-mailbox-utils.c
@@ -78,6 +78,7 @@ enum {
#define GET_LOG 0x1
#define GET_LOG_CAPABILITIES 0x2
#define CLEAR_LOG 0x3
+ #define POPULATE_LOG 0x4
FEATURES = 0x05,
#define GET_SUPPORTED 0x0
#define GET_FEATURE 0x1
@@ -1138,6 +1139,30 @@ static CXLRetCode cmd_logs_clear_log(const struct
cxl_cmd *cmd,
return CXL_MBOX_SUCCESS;
}
+/* CXL r3.2 Section 8.2.10.5.5: Populate log (Opcode 0404h) */
+static CXLRetCode cmd_logs_populate_log(const struct cxl_cmd *cmd,
+ uint8_t *payload_in,
+ size_t len_in,
+ uint8_t *payload_out,
+ size_t *len_out,
+ CXLCCI *cci)
+{
+ const CXLLogCapabilities *cap;
+ struct {
+ QemuUUID uuid;
+ } QEMU_PACKED QEMU_ALIGNED(8) * populate_log = (void *)payload_in;
+
+ cap = find_log_index(&populate_log->uuid, cci);
+ if (!cap) {
+ return CXL_MBOX_INVALID_LOG;
+ }
+
+ if (!(cap->param_flags & CXL_LOG_CAP_POPULATE_SUPPORTED)) {
+ return CXL_MBOX_UNSUPPORTED;
+ }
+ return CXL_MBOX_UNSUPPORTED;
+}
+
/* CXL r3.1 section 8.2.9.6: Features */
/*
* Get Supported Features output payload
@@ -2907,6 +2932,9 @@ static const struct cxl_cmd cxl_cmd_set[256][256] = {
cmd_logs_get_log_capabilities, 0x10, 0 },
[LOGS][CLEAR_LOG] = { "LOGS_CLEAR_LOG", cmd_logs_clear_log, 0x10,
CXL_MBOX_IMMEDIATE_LOG_CHANGE},
+ [LOGS][POPULATE_LOG] = { "LOGS_POPULATE_LOG", cmd_logs_populate_log, 0x10,
+ (CXL_MBOX_IMMEDIATE_LOG_CHANGE |
+ CXL_MBOX_BACKGROUND_OPERATION)},
[FEATURES][GET_SUPPORTED] = { "FEATURES_GET_SUPPORTED",
cmd_features_get_supported, 0x8, 0 },
[FEATURES][GET_FEATURE] = { "FEATURES_GET_FEATURE",
--
2.34.1
