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Diffstat (limited to 'drivers/cxl/cxl.h')
-rw-r--r--drivers/cxl/cxl.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index fc16c9a9e1ba..e533c5b5e4b0 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -33,6 +33,7 @@
#define CXL_CM_CAP_HDR_ARRAY_SIZE_MASK GENMASK(31, 24)
#define CXL_CM_CAP_PTR_MASK GENMASK(31, 20)
+#define CXL_CM_CAP_CAP_ID_RAS 0x2
#define CXL_CM_CAP_CAP_ID_HDM 0x5
#define CXL_CM_CAP_CAP_HDM_VERSION 1
@@ -119,6 +120,21 @@ static inline int ways_to_cxl(unsigned int ways, u8 *iw)
return 0;
}
+/* RAS Registers CXL 2.0 8.2.5.9 CXL RAS Capability Structure */
+#define CXL_RAS_UNCORRECTABLE_STATUS_OFFSET 0x0
+#define CXL_RAS_UNCORRECTABLE_STATUS_MASK (GENMASK(16, 14) | GENMASK(11, 0))
+#define CXL_RAS_UNCORRECTABLE_MASK_OFFSET 0x4
+#define CXL_RAS_UNCORRECTABLE_MASK_MASK (GENMASK(16, 14) | GENMASK(11, 0))
+#define CXL_RAS_UNCORRECTABLE_SEVERITY_OFFSET 0x8
+#define CXL_RAS_UNCORRECTABLE_SEVERITY_MASK (GENMASK(16, 14) | GENMASK(11, 0))
+#define CXL_RAS_CORRECTABLE_STATUS_OFFSET 0xC
+#define CXL_RAS_CORRECTABLE_STATUS_MASK GENMASK(6, 0)
+#define CXL_RAS_CORRECTABLE_MASK_OFFSET 0x10
+#define CXL_RAS_CORRECTABLE_MASK_MASK GENMASK(6, 0)
+#define CXL_RAS_CAP_CONTROL_OFFSET 0x14
+#define CXL_RAS_HEADER_LOG_OFFSET 0x18
+#define CXL_RAS_CAPABILITY_LENGTH 0x58
+
/* CXL 2.0 8.2.8.1 Device Capabilities Array Register */
#define CXLDEV_CAP_ARRAY_OFFSET 0x0
#define CXLDEV_CAP_ARRAY_CAP_ID 0
@@ -153,9 +169,11 @@ struct cxl_regs {
/*
* Common set of CXL Component register block base pointers
* @hdm_decoder: CXL 2.0 8.2.5.12 CXL HDM Decoder Capability Structure
+ * @ras: CXL 2.0 8.2.5.9 CXL RAS Capability Structure
*/
struct_group_tagged(cxl_component_regs, component,
void __iomem *hdm_decoder;
+ void __iomem *ras;
);
/*
* Common set of CXL Device register block base pointers
@@ -177,6 +195,7 @@ struct cxl_reg_map {
struct cxl_component_reg_map {
struct cxl_reg_map hdm_decoder;
+ struct cxl_reg_map ras;
};
struct cxl_device_reg_map {