Hi Shaopeng,

On 17/07/2025 02:04, Shaopeng Tan (Fujitsu) wrote:

quoted

Memory Partitioning and Monitoring (MPAM) has memory mapped devices
(MSCs) with an identity/configuration page.

Add the definitions for these registers as offset within the page(s).

quoted

diff --git a/drivers/platform/arm64/mpam/mpam_internal.h

b/drivers/platform/arm64/mpam/mpam_internal.h
index d49bb884b433..9110c171d9d2 100644

--- a/drivers/platform/arm64/mpam/mpam_internal.h
+++ b/drivers/platform/arm64/mpam/mpam_internal.h

@@ -150,4 +150,272 @@ extern struct list_head mpam_classes;  int

quoted

+/*
+ * MSMON_CFG_CSU_CTL - Memory system performance monitor configure
cache storage
+ *                    usage monitor control register
+ * MSMON_CFG_MBWU_CTL - Memory system performance monitor
configure memory
+ *                     bandwidth usage monitor control register
+ */
+#define MSMON_CFG_x_CTL_TYPE           GENMASK(7, 0)
+#define MSMON_CFG_x_CTL_OFLOW_STATUS_L BIT(15)
+#define MSMON_CFG_x_CTL_MATCH_PARTID   BIT(16)
+#define MSMON_CFG_x_CTL_MATCH_PMG      BIT(17)
+#define MSMON_CFG_x_CTL_SCLEN          BIT(19)
+#define MSMON_CFG_x_CTL_SUBTYPE        GENMASK(23, 20)
+#define MSMON_CFG_x_CTL_OFLOW_FRZ      BIT(24)
+#define MSMON_CFG_x_CTL_OFLOW_INTR     BIT(25)
+#define MSMON_CFG_x_CTL_OFLOW_STATUS   BIT(26)
+#define MSMON_CFG_x_CTL_CAPT_RESET     BIT(27)
+#define MSMON_CFG_x_CTL_CAPT_EVNT      GENMASK(30, 28)
+#define MSMON_CFG_x_CTL_EN             BIT(31)
+
+#define MSMON_CFG_MBWU_CTL_TYPE_MBWU
	0x42
+#define MSMON_CFG_MBWU_CTL_TYPE_CSU
	0x43

MSMON_CFG_CSU_CTL_TYPE_CSU?

Yup, copy-and-paste error. Thanks!


James