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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:12 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:12 +0000
commit8665bd53f2f2e27e5511d90428cb3f60e6d0ce15 (patch)
tree8d58900dc0ebd4a3011f92c128d2fe45bc7c4bf2 /drivers/cxl/cxlmem.h
parentAdding debian version 6.7.12-1. (diff)
downloadlinux-8665bd53f2f2e27e5511d90428cb3f60e6d0ce15.tar.xz
linux-8665bd53f2f2e27e5511d90428cb3f60e6d0ce15.zip
Merging upstream version 6.8.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/cxl/cxlmem.h')
-rw-r--r--drivers/cxl/cxlmem.h130
1 files changed, 45 insertions, 85 deletions
diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h
index a2fcbca253..20fb3b35e8 100644
--- a/drivers/cxl/cxlmem.h
+++ b/drivers/cxl/cxlmem.h
@@ -6,6 +6,8 @@
#include <linux/cdev.h>
#include <linux/uuid.h>
#include <linux/rcuwait.h>
+#include <linux/cxl-event.h>
+#include <linux/node.h>
#include "cxl.h"
/* CXL 2.0 8.2.8.5.1.1 Memory Device Status Register */
@@ -392,6 +394,18 @@ enum cxl_devtype {
};
/**
+ * struct cxl_dpa_perf - DPA performance property entry
+ * @dpa_range - range for DPA address
+ * @coord - QoS performance data (i.e. latency, bandwidth)
+ * @qos_class - QoS Class cookies
+ */
+struct cxl_dpa_perf {
+ struct range dpa_range;
+ struct access_coordinate coord;
+ int qos_class;
+};
+
+/**
* struct cxl_dev_state - The driver device state
*
* cxl_dev_state represents the CXL driver/device state. It provides an
@@ -455,6 +469,8 @@ struct cxl_dev_state {
* @security: security driver state info
* @fw: firmware upload / activation state
* @mbox_send: @dev specific transport for transmitting mailbox commands
+ * @ram_perf: performance data entry matched to RAM partition
+ * @pmem_perf: performance data entry matched to PMEM partition
*
* See CXL 3.0 8.2.9.8.2 Capacity Configuration and Label Storage for
* details on capacity parameters.
@@ -475,6 +491,10 @@ struct cxl_memdev_state {
u64 active_persistent_bytes;
u64 next_volatile_bytes;
u64 next_persistent_bytes;
+
+ struct cxl_dpa_perf ram_perf;
+ struct cxl_dpa_perf pmem_perf;
+
struct cxl_event_state event;
struct cxl_poison_state poison;
struct cxl_security_state security;
@@ -503,6 +523,7 @@ enum cxl_opcode {
CXL_MBOX_OP_GET_FW_INFO = 0x0200,
CXL_MBOX_OP_TRANSFER_FW = 0x0201,
CXL_MBOX_OP_ACTIVATE_FW = 0x0202,
+ CXL_MBOX_OP_GET_TIMESTAMP = 0x0300,
CXL_MBOX_OP_SET_TIMESTAMP = 0x0301,
CXL_MBOX_OP_GET_SUPPORTED_LOGS = 0x0400,
CXL_MBOX_OP_GET_LOG = 0x0401,
@@ -580,25 +601,28 @@ struct cxl_mbox_identify {
} __packed;
/*
- * Common Event Record Format
- * CXL rev 3.0 section 8.2.9.2.1; Table 8-42
+ * General Media Event Record UUID
+ * CXL rev 3.0 Section 8.2.9.2.1.1; Table 8-43
*/
-struct cxl_event_record_hdr {
- uuid_t id;
- u8 length;
- u8 flags[3];
- __le16 handle;
- __le16 related_handle;
- __le64 timestamp;
- u8 maint_op_class;
- u8 reserved[15];
-} __packed;
+#define CXL_EVENT_GEN_MEDIA_UUID \
+ UUID_INIT(0xfbcd0a77, 0xc260, 0x417f, 0x85, 0xa9, 0x08, 0x8b, 0x16, \
+ 0x21, 0xeb, 0xa6)
-#define CXL_EVENT_RECORD_DATA_LENGTH 0x50
-struct cxl_event_record_raw {
- struct cxl_event_record_hdr hdr;
- u8 data[CXL_EVENT_RECORD_DATA_LENGTH];
-} __packed;
+/*
+ * DRAM Event Record UUID
+ * CXL rev 3.0 section 8.2.9.2.1.2; Table 8-44
+ */
+#define CXL_EVENT_DRAM_UUID \
+ UUID_INIT(0x601dcbb3, 0x9c06, 0x4eab, 0xb8, 0xaf, 0x4e, 0x9b, 0xfb, \
+ 0x5c, 0x96, 0x24)
+
+/*
+ * Memory Module Event Record UUID
+ * CXL rev 3.0 section 8.2.9.2.1.3; Table 8-45
+ */
+#define CXL_EVENT_MEM_MODULE_UUID \
+ UUID_INIT(0xfe927475, 0xdd59, 0x4339, 0xa5, 0x86, 0x79, 0xba, 0xb1, \
+ 0x13, 0xb7, 0x74)
/*
* Get Event Records output payload
@@ -641,74 +665,6 @@ struct cxl_mbox_clear_event_payload {
} __packed;
#define CXL_CLEAR_EVENT_MAX_HANDLES U8_MAX
-/*
- * General Media Event Record
- * CXL rev 3.0 Section 8.2.9.2.1.1; Table 8-43
- */
-#define CXL_EVENT_GEN_MED_COMP_ID_SIZE 0x10
-struct cxl_event_gen_media {
- struct cxl_event_record_hdr hdr;
- __le64 phys_addr;
- u8 descriptor;
- u8 type;
- u8 transaction_type;
- u8 validity_flags[2];
- u8 channel;
- u8 rank;
- u8 device[3];
- u8 component_id[CXL_EVENT_GEN_MED_COMP_ID_SIZE];
- u8 reserved[46];
-} __packed;
-
-/*
- * DRAM Event Record - DER
- * CXL rev 3.0 section 8.2.9.2.1.2; Table 3-44
- */
-#define CXL_EVENT_DER_CORRECTION_MASK_SIZE 0x20
-struct cxl_event_dram {
- struct cxl_event_record_hdr hdr;
- __le64 phys_addr;
- u8 descriptor;
- u8 type;
- u8 transaction_type;
- u8 validity_flags[2];
- u8 channel;
- u8 rank;
- u8 nibble_mask[3];
- u8 bank_group;
- u8 bank;
- u8 row[3];
- u8 column[2];
- u8 correction_mask[CXL_EVENT_DER_CORRECTION_MASK_SIZE];
- u8 reserved[0x17];
-} __packed;
-
-/*
- * Get Health Info Record
- * CXL rev 3.0 section 8.2.9.8.3.1; Table 8-100
- */
-struct cxl_get_health_info {
- u8 health_status;
- u8 media_status;
- u8 add_status;
- u8 life_used;
- u8 device_temp[2];
- u8 dirty_shutdown_cnt[4];
- u8 cor_vol_err_cnt[4];
- u8 cor_per_err_cnt[4];
-} __packed;
-
-/*
- * Memory Module Event Record
- * CXL rev 3.0 section 8.2.9.2.1.3; Table 8-45
- */
-struct cxl_event_mem_module {
- struct cxl_event_record_hdr hdr;
- u8 event_type;
- struct cxl_get_health_info info;
- u8 reserved[0x3d];
-} __packed;
-
struct cxl_mbox_get_partition_info {
__le64 active_volatile_cap;
__le64 active_persistent_cap;
@@ -866,6 +822,10 @@ void set_exclusive_cxl_commands(struct cxl_memdev_state *mds,
void clear_exclusive_cxl_commands(struct cxl_memdev_state *mds,
unsigned long *cmds);
void cxl_mem_get_event_records(struct cxl_memdev_state *mds, u32 status);
+void cxl_event_trace_record(const struct cxl_memdev *cxlmd,
+ enum cxl_event_log_type type,
+ enum cxl_event_type event_type,
+ const uuid_t *uuid, union cxl_event *evt);
int cxl_set_timestamp(struct cxl_memdev_state *mds);
int cxl_poison_state_init(struct cxl_memdev_state *mds);
int cxl_mem_get_poison(struct cxl_memdev *cxlmd, u64 offset, u64 len,