aboutsummaryrefslogtreecommitdiffstats
path: root/include/uapi/misc
diff options
context:
space:
mode:
Diffstat (limited to 'include/uapi/misc')
-rw-r--r--include/uapi/misc/cxl.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/uapi/misc/cxl.h b/include/uapi/misc/cxl.h
index cd6d789b73ec..99a8ca15fe64 100644
--- a/include/uapi/misc/cxl.h
+++ b/include/uapi/misc/cxl.h
@@ -32,10 +32,32 @@ struct cxl_ioctl_start_work {
#define CXL_START_WORK_ALL (CXL_START_WORK_AMR |\
CXL_START_WORK_NUM_IRQS)
+
+/* Possible modes that an afu can be in */
+#define CXL_MODE_DEDICATED 0x1
+#define CXL_MODE_DIRECTED 0x2
+
+/* possible flags for the cxl_afu_id flags field */
+#define CXL_AFUID_FLAG_SLAVE 0x1 /* In directed-mode afu is in slave mode */
+
+struct cxl_afu_id {
+ __u64 flags; /* One of CXL_AFUID_FLAG_X */
+ __u32 card_id;
+ __u32 afu_offset;
+ __u32 afu_mode; /* one of the CXL_MODE_X */
+ __u32 reserved1;
+ __u64 reserved2;
+ __u64 reserved3;
+ __u64 reserved4;
+ __u64 reserved5;
+ __u64 reserved6;
+};
+
/* ioctl numbers */
#define CXL_MAGIC 0xCA
#define CXL_IOCTL_START_WORK _IOW(CXL_MAGIC, 0x00, struct cxl_ioctl_start_work)
#define CXL_IOCTL_GET_PROCESS_ELEMENT _IOR(CXL_MAGIC, 0x01, __u32)
+#define CXL_IOCTL_GET_AFU_ID _IOR(CXL_MAGIC, 0x02, struct cxl_afu_id)
#define CXL_READ_MIN_SIZE 0x1000 /* 4K */

Privacy Policy