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s390/diag: add diag26c support for VNIC info 

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

Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Julian Wiedmann 2017-12-27 17:44:30 +01:00 committed by David S. Miller
parent d2073ef340
commit f22237f61d
1 changed files with 43 additions and 1 deletions
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44
arch/s390/include/asm/diag.h
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@ -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;