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Commit f22237f6 authored by Julian Wiedmann's avatar Julian Wiedmann Committed by David S. Miller
Browse files

s390/diag: add diag26c support for VNIC info 



With subcode 0x24, diag26c returns all sorts of VNIC-related information.

Signed-off-by: default avatarJulian Wiedmann <jwi@linux.vnet.ibm.com>
Acked-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d2073ef3

arch/s390/include/asm/diag.h

+43 −1
Original line number Diff line number Diff line
@@ -229,13 +229,55 @@ struct diag204_x_phys_block { 
} __packed;



enum diag26c_sc {

	DIAG26C_PORT_VNIC    = 0x00000024,

	DIAG26C_MAC_SERVICES = 0x00000030

};



enum diag26c_version {

	DIAG26C_VERSION2 = 0x00000002	/* z/VM 5.4.0 */

	DIAG26C_VERSION2	 = 0x00000002,	/* z/VM 5.4.0 */

	DIAG26C_VERSION6_VM65918 = 0x00020006	/* z/VM 6.4.0 + VM65918 */

};



#define DIAG26C_VNIC_INFO	0x0002

struct diag26c_vnic_req {

	u32	resp_buf_len;

	u32	resp_version;

	u16	req_format;

	u16	vlan_id;

	u64	sys_name;

	u8	res[2];

	u16	devno;

} __packed __aligned(8);



#define VNIC_INFO_PROT_L3	1

#define VNIC_INFO_PROT_L2	2

/* Note: this is the bare minimum, use it for uninitialized VNICs only. */

struct diag26c_vnic_resp {

	u32	version;

	u32	entry_cnt;

	/* VNIC info: */

	u32	next_entry;

	u64	owner;

	u16	devno;

	u8	status;

	u8	type;

	u64	lan_owner;

	u64	lan_name;

	u64	port_name;

	u8	port_type;

	u8	ext_status:6;

	u8	protocol:2;

	u16	base_devno;

	u32	port_num;

	u32	ifindex;

	u32	maxinfo;

	u32	dev_count;

	/* 3x device info: */

	u8	dev_info1[28];

	u8	dev_info2[28];

	u8	dev_info3[28];

} __packed __aligned(8);



#define DIAG26C_GET_MAC	0x0000

struct diag26c_mac_req {

	u32	resp_buf_len;