vdpa: Introduce query of device config layout

Introduce a command to query a device config layout. An example query of network vdpa device: $ vdpa dev add name bar mgmtdev vdpasim_net $ vdpa dev config show bar: mac 00:35:09:19:48:05 link up link_announce false mtu 1500 $ vdpa dev config show -jp { "config": { "bar": { "mac": "00:35:09:19:48:05", "link ": "up", "link_announce ": false, "mtu": 1500, } } }

Parav Pandit committed 5 years ago

Commit ad69dd01 parent 6dbb1f13 files · +184 −0Browse files

Showing the changes to include/uapi (1 of 3 files). Show all

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include/uapi/linux/vdpa.h+6−0

@@ -17,6 +17,7 @@ enum vdpa_command { · 16 unmodified lines
17	17	VDPA_CMD_DEV_NEW,
18	18	VDPA_CMD_DEV_DEL,
19	19	VDPA_CMD_DEV_GET, /* can dump */
	20	+ VDPA_CMD_DEV_CONFIG_GET, /* can dump */
20	21	};
21	22
22	23	enum vdpa_attr {
@@ -34,6 +35,11 @@ enum vdpa_attr { · 11 unmodified lines
34	35	VDPA_ATTR_DEV_MAX_VQ_SIZE, /* u16 */
35	36	VDPA_ATTR_DEV_MIN_VQ_SIZE, /* u16 */
36	37
	38	+ VDPA_ATTR_DEV_NET_CFG_MACADDR, /* binary */
	39	+ VDPA_ATTR_DEV_NET_STATUS, /* u8 */
	40	+ VDPA_ATTR_DEV_NET_CFG_MAX_VQP, /* u16 */
	41	+ VDPA_ATTR_DEV_NET_CFG_MTU, /* u16 */
	42	+
37	43	/* new attributes must be added above here */
38	44	VDPA_ATTR_MAX,
39	45	};