Add NPU device type to capabilities
In preparation to support the Linux kernel driver directly managing the
NPU without a subsystem. A NPU device type has been added to the
capabilities to be able to specify what kind of NPU is used.
Change-Id: I45345b7d75d234f821d70b858453d3af2a99194e
Signed-off-by: Mikael Olsson <mikael.olsson@arm.com>
diff --git a/kernel/include/uapi/ethosu.h b/kernel/include/uapi/ethosu.h
index 58b9c34..699ef7e 100644
--- a/kernel/include/uapi/ethosu.h
+++ b/kernel/include/uapi/ethosu.h
@@ -194,15 +194,30 @@
};
/**
+ * enum ethosu_dev_type - NPU device type
+ * @ETHOSU_DEV_UNKNOWN: Unknown NPU device type
+ * @ETHOSU_DEV_SUBSYSTEM: NPU managed by a subsystem communicated with via a
+ * mailbox
+ * @ETHOSU_DEV_DIRECT: NPU directly managed by the kernel driver
+ */
+enum ethosu_dev_type {
+ ETHOSU_DEV_UNKNOWN = 0,
+ ETHOSU_DEV_SUBSYSTEM,
+ ETHOSU_DEV_DIRECT,
+};
+
+/**
* struct ethosu_uapi_device_hw_cfg - Device hardware configuration
* @macs_per_cc: MACs per clock cycle
* @cmd_stream_version: NPU command stream version
* @custom_dma: Custom DMA enabled
+ * @type: NPU device type
*/
struct ethosu_uapi_device_hw_cfg {
__u32 macs_per_cc;
__u32 cmd_stream_version;
__u32 custom_dma;
+ __u32 type;
};
/**