Signed-off-by: Arpit Kumar <[email protected]>
Reviewed-by: Alok Rathore <[email protected]>
Reviewed-by: Krishna Kanth Reddy <[email protected]>
---
hw/cxl/cxl-mailbox-utils.c | 95 +++++++++++++++++++++++++++++++++++++
include/hw/cxl/cxl_device.h | 2 +
2 files changed, 97 insertions(+)
diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c
index 5fd7f850c4..115c2dc66b 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
@@ -1149,6 +1150,94 @@ static CXLRetCode cmd_logs_clear_log(const struct
cxl_cmd *cmd,
return CXL_MBOX_SUCCESS;
}
+static void cxl_rebuild_cel(CXLCCI *cci);
+
+static int get_populate_duration(uint32_t total_mem)
+{
+ int secs = 0;
+
+ if (total_mem <= 512) {
+ secs = 4;
+ } else if (total_mem <= 1024) {
+ secs = 8;
+ } else if (total_mem <= 2 * 1024) {
+ secs = 15;
+ } else if (total_mem <= 4 * 1024) {
+ secs = 30;
+ } else if (total_mem <= 8 * 1024) {
+ secs = 60;
+ } else if (total_mem <= 16 * 1024) {
+ secs = 2 * 60;
+ } else if (total_mem <= 32 * 1024) {
+ secs = 4 * 60;
+ } else if (total_mem <= 64 * 1024) {
+ secs = 8 * 60;
+ } else if (total_mem <= 128 * 1024) {
+ secs = 15 * 60;
+ } else if (total_mem <= 256 * 1024) {
+ secs = 30 * 60;
+ } else if (total_mem <= 512 * 1024) {
+ secs = 60 * 60;
+ } else if (total_mem <= 1024 * 1024) {
+ secs = 120 * 60;
+ } else {
+ secs = 240 * 60; /* max 4 hrs */
+ }
+
+ return secs;
+}
+
+/* CXL r3.1 Section 8.2.9.5.5: 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)
+{
+ int32_t cap_id;
+ uint32_t total_mem = 0;
+ int secs = 0;
+ struct {
+ QemuUUID uuid;
+ } QEMU_PACKED QEMU_ALIGNED(8) * populate_log = (void *)payload_in;
+
+ cap_id = valid_log_check(&populate_log->uuid, cci);
+ if (cap_id == -1) {
+ return CXL_MBOX_INVALID_LOG;
+ }
+
+ if (cci->supported_log_cap[cap_id].param_flags.populate_log_supported) {
+ switch (cap_id) {
+ case CEL:
+ cci->log = CEL;
+ total_mem = (1 << 16) * sizeof(struct cel_log);
+ secs = get_populate_duration(total_mem >> 20);
+ goto start_bg;
+ break;
+ default:
+ return CXL_MBOX_UNSUPPORTED;
+ }
+ }
+ return CXL_MBOX_UNSUPPORTED;
+
+start_bg:
+ cci->bg.runtime = secs * 1000UL;
+ *len_out = 0;
+ return CXL_MBOX_BG_STARTED;
+}
+
+static void __do_populate(CXLCCI *cci)
+{
+ switch (cci->log) {
+ case CEL:
+ cxl_rebuild_cel(cci);
+ break;
+ default:
+ break;
+ }
+}
+
/* CXL r3.1 section 8.2.9.6: Features */
/*
* Get Supported Features output payload
@@ -2918,6 +3007,9 @@ 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",
@@ -3098,6 +3190,9 @@ static void bg_timercb(void *opaque)
case 0x0201: /* fw transfer */
__do_firmware_xfer(cci);
break;
+ case 0x0404: /* populate_ log */
+ __do_populate(cci);
+ break;
case 0x4400: /* sanitize */
{
CXLType3Dev *ct3d = CXL_TYPE3(cci->d);
diff --git a/include/hw/cxl/cxl_device.h b/include/hw/cxl/cxl_device.h
index e7cb99a1d2..d90d0d4a8f 100644
--- a/include/hw/cxl/cxl_device.h
+++ b/include/hw/cxl/cxl_device.h
@@ -230,6 +230,8 @@ typedef struct CXLCCI {
} cel_log[1 << 16];
size_t cel_size;
+ enum Logs log;
+
/* get log capabilities */
CXLLogCapabilities supported_log_cap[MAX_LOG_TYPE];
--
2.34.1
