diff --git a/drivers/cxl/mem.c b/drivers/cxl/mem.c
index 20b26fa2c466..6dfc8ff0aefb 100644
--- a/drivers/cxl/mem.c
+++ b/drivers/cxl/mem.c
@@ -44,8 +44,10 @@
 enum opcode {
 	CXL_MBOX_OP_INVALID	= 0x0000,
 #define CXL_MBOX_OP_RAW		CXL_MBOX_OP_INVALID
-	CXL_MBOX_OP_IDENTIFY    = 0x4000,
-	CXL_MBOX_OP_MAX         = 0x10000
+	CXL_MBOX_OP_GET_SUPPORTED_LOGS = 0x0400,
+	CXL_MBOX_OP_GET_LOG	= 0x0401,
+	CXL_MBOX_OP_IDENTIFY	= 0x4000,
+	CXL_MBOX_OP_MAX		= 0x10000
 };
 
 /**
@@ -104,6 +106,16 @@ static struct {
 			.opcode = CXL_MBOX_OP_##_id,                           \
 	}
 
+enum {
+	CEL_UUID,
+	DEBUG_UUID
+};
+
+static const uuid_t log_uuid[] = {
+	UUID_INIT(0xda9c0b5, 0xbf41, 0x4b78, 0x8f, 0x79, 0x96, 0xb1, 0x62, 0x3b, 0x3f, 0x17),
+	UUID_INIT(0xe1819d9, 0x11a9, 0x400c, 0x81, 0x1f, 0xd6, 0x07, 0x19, 0x40, 0x3d, 0x86)
+};
+
 /**
  * struct cxl_mem_command - Driver representation of a memory device command
  * @info: Command information as it exists for the UAPI
@@ -144,6 +156,7 @@ static struct cxl_mem_command mem_commands[] = {
 	CXL_CMD(INVALID, KERNEL, 0, 0, HIDDEN),
 	CXL_CMD(IDENTIFY, NONE, 0, 0x43, MANDATORY),
 	CXL_CMD(RAW, NONE, ~0, ~0, PSEUDO),
+	CXL_CMD(GET_SUPPORTED_LOGS, NONE, 0, ~0, MANDATORY),
 };
 
 #define cxl_for_each_cmd(cmd)                                                  \
@@ -1036,6 +1049,103 @@ static int cxl_mem_add_memdev(struct cxl_mem *cxlm)
 	return rc;
 }
 
+struct cxl_mbox_get_supported_logs {
+	__le16 entries;
+	u8 rsvd[6];
+	struct gsl_entry {
+		uuid_t uuid;
+		__le32 size;
+	} __packed entry[2];
+} __packed;
+struct cxl_mbox_get_log {
+	uuid_t uuid;
+	__le32 offset;
+	__le32 length;
+} __packed;
+
+static int cxl_xfer_log(struct cxl_mem *cxlm, uuid_t *uuid, u32 size,
+			u8 *out)
+{
+	u32 remaining = size;
+	u32 offset = 0;
+
+	while (remaining) {
+		u32 xfer_size = min_t(u32, remaining, cxlm->mbox.payload_size);
+		struct mbox_cmd mbox_cmd;
+		int rc;
+		struct cxl_mbox_get_log log = {
+			.uuid = *uuid,
+			.offset = cpu_to_le32(offset),
+			.length = cpu_to_le32(xfer_size)
+		};
+
+		memcpy_toio(cxl_payload_regs(cxlm), &log, sizeof(log));
+		mbox_cmd = (struct mbox_cmd) {
+			.opcode = CXL_MBOX_OP_GET_LOG,
+			.payload = NULL,
+			.size_in = sizeof(log),
+		};
+
+		rc = cxl_mem_mbox_send_cmd(cxlm, &mbox_cmd);
+		if (rc)
+			return rc;
+
+		WARN_ON(mbox_cmd.size_out != xfer_size);
+
+		memcpy_fromio(out, cxl_payload_regs(cxlm), mbox_cmd.size_out);
+		out += xfer_size;
+		remaining -= xfer_size;
+		offset += xfer_size;
+	}
+
+	return 0;
+}
+
+static void cxl_enable_cmd(struct cxl_mem *cxlm,
+			   const struct cxl_mem_command *cmd)
+{
+	if (test_and_set_bit(cxl_cmd_index(cmd), cxlm->enabled_cmds))
+		dev_warn(&cxlm->pdev->dev, "Command enabled twice\n");
+
+	dev_info(&cxlm->pdev->dev, "%s enabled",
+		 command_names[cxl_cmd_index(cmd)].name);
+}
+
+/**
+ * cxl_walk_cel() - Walk through the Command Effects Log.
+ * @cxlm: Device.
+ * @size: Length of the Command Effects Log.
+ * @cel: CEL
+ *
+ * Iterate over each entry in the CEL and determine if the driver supports the
+ * command. If so, the command is enabled for the device and can be used later.
+ */
+static void cxl_walk_cel(struct cxl_mem *cxlm, size_t size, u8 *cel)
+{
+	struct cel_entry {
+		__le16 opcode;
+		__le16 effect;
+	} *cel_entry;
+	const int cel_entries = size / sizeof(*cel_entry);
+	int i;
+
+	cel_entry = (struct cel_entry *)cel;
+
+	for (i = 0; i < cel_entries; i++) {
+		const struct cel_entry *ce = &cel_entry[i];
+		const struct cxl_mem_command *cmd =
+			cxl_mem_find_command(le16_to_cpu(ce->opcode));
+
+		if (!cmd) {
+			dev_dbg(&cxlm->pdev->dev, "Unsupported opcode 0x%04x",
+				le16_to_cpu(ce->opcode));
+			continue;
+		}
+
+		cxl_enable_cmd(cxlm, cmd);
+	}
+}
+
 /**
  * cxl_mem_enumerate_cmds() - Enumerate commands for a device.
  * @cxlm: The device.
@@ -1048,17 +1158,71 @@ static int cxl_mem_add_memdev(struct cxl_mem *cxlm)
  */
 static int cxl_mem_enumerate_cmds(struct cxl_mem *cxlm)
 {
-	struct cxl_mem_command *c;
+	struct cxl_mbox_get_supported_logs gsl;
+	const struct cxl_mem_command *c;
+	struct mbox_cmd mbox_cmd;
+	int i, rc;
 
-	/* All commands are considered enabled for now (except INVALID). */
+	/* Pseudo commands are always enabled */
 	cxl_for_each_cmd(c) {
-		if (c->flags & CXL_CMD_INTERNAL_FLAG_HIDDEN)
+		if (c->flags & CXL_CMD_INTERNAL_FLAG_PSEUDO)
+			cxl_enable_cmd(cxlm, c);
+	}
+
+	rc = cxl_mem_mbox_get(cxlm, false);
+	if (rc)
+		return rc;
+
+	mbox_cmd = (struct mbox_cmd){
+		.opcode = CXL_MBOX_OP_GET_SUPPORTED_LOGS,
+		.payload = &gsl,
+		.size_in = 0,
+	};
+	rc = cxl_mem_mbox_send_cmd(cxlm, &mbox_cmd);
+	if (rc)
+		goto out;
+
+	for (i = 0; i < le16_to_cpu(gsl.entries); i++) {
+		u32 size = le32_to_cpu(gsl.entry[i].size);
+		uuid_t uuid = gsl.entry[i].uuid;
+		u8 *log;
+
+		dev_dbg(&cxlm->pdev->dev, "Found LOG type %pU of size %d",
+			&uuid, size);
+
+		if (!uuid_equal(&uuid, &log_uuid[CEL_UUID]))
 			continue;
 
-		set_bit(cxl_cmd_index(c), cxlm->enabled_cmds);
+		/*
+		 * It's a hardware bug if the log size is less than the input
+		 * payload size because there are many mandatory commands.
+		 */
+		if (sizeof(struct cxl_mbox_get_log) > size) {
+			dev_err(&cxlm->pdev->dev,
+				"CEL log size reported was too small (%d)",
+				size);
+			rc = -ENOMEM;
+			goto out;
+		}
+
+		log = kvmalloc(size, GFP_KERNEL);
+		if (!log) {
+			rc = -ENOMEM;
+			goto out;
+		}
+
+		rc = cxl_xfer_log(cxlm, &uuid, size, log);
+		if (rc)
+			goto out;
+
+		cxl_walk_cel(cxlm, size, log);
+
+		kvfree(log);
 	}
 
-	return 0;
+out:
+	cxl_mem_mbox_put(cxlm);
+	return rc;
 }
 
 /**
diff --git a/include/uapi/linux/cxl_mem.h b/include/uapi/linux/cxl_mem.h
index 50acd6cc14d4..b504412d1db7 100644
--- a/include/uapi/linux/cxl_mem.h
+++ b/include/uapi/linux/cxl_mem.h
@@ -33,6 +33,7 @@ extern "C" {
 	C(INVALID,	"Invalid Command"),                                    \
 	C(IDENTIFY,	"Identify Command"),                                   \
 	C(RAW,		"Raw device command"),                                 \
+	C(GET_SUPPORTED_LOGS,		"Get Supported Logs"),                 \
 	C(MAX,		"Last command")
 #undef C
 #define C(a, b) CXL_MEM_COMMAND_ID_##a
